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1 2004-11-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2
3         * config/sparc/sparc.c (function_arg_record_value_1): Skip
4         fields with zero length.
5         (function_arg_record_value_2): Likewise.
6         (function_arg_record_value_3): Use smallest_mode_for_size
7         instead of mode_for_size.
8         (function_arg_union_value): Return naked register for unions
9         with zero length.
10
11 2004-11-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
12
13         * config/sparc/sparc.c (scan_record_type): Handle vector types.
14         (function_arg_slotno): Handle vector types specially.
15         (function_arg_record_value_1): Split fields with vector type and
16         BLKmode into their subparts.
17         (function_arg_record_value_2): Likewise.  Be prepared to handle
18         more than 2 registers per field.
19         (function_arg_union_value): Increment regno inside the loop.
20         (function_arg_vector_value): New function.
21         (function_arg): Use it to split fields with vector type and
22         BLKmode into their subparts and build a PARALLEL.  Treat
23         other vector types like floats.
24         (function_value): Likewise.
25         (sparc_pass_by_reference): Handle vector types.
26         (sparc_return_in_memory): Likewise.
27
28 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
29
30         * tree-cfg.c (find_taken_edge_cond_expr): Remove an "if"
31         statement that never triggers.
32
33 2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>
34
35         * config/s390/2064.md ("z_o2", "z_o3"): Remove.
36         * config/s390/2084.md ("x_o2", "x_o3"): Remove.
37         ("x_fdivd"): Use also for fsqrtd type.
38         ("x_fdivs"): Use also for fsqrts type.
39         * config/s390/s390.md (attribute "type"): Remove "o2" and "o3" types.
40         ("fix_truncdfsi2_ieee"): Set type to "ftoi".
41         ("fix_truncdfsi2_ibm"): Set type to "other".
42         ("floatdidf2", "floatdisf2"): Do not clobber CC.
43         ("floatsidf2", "floatsidf2_ieee"): Likewise.
44         ("floatsisf2", "floatsisf2_ieee"): Likewise.
45         ("truncdfsf2", "truncdfsf2_ieee"): Only allow "register_operand".
46         ("truncdfsf2_ibm"): Only allow "nonimmediate_operand".  Use LER
47         instead of LRER. 
48         ("extendsfdf2_ibm"): Do not set atype.  Set type to "floads".
49         ("sqrtdf2"): Set type to "fsqrtd".
50         ("sqrtsf2"): Set type to "fsqrts".
51
52 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
53
54         * tree-phinodes.c (remove_all_phi_nodes_for): Speed up using a
55         pointer to the last PHI node in the new PHI chain.
56
57 2004-11-06  Kaz Kojima  <kkojima@gcc.gnu.org>
58
59         * config/sh/sh.c (prepare_move_operands): Emit a use of r12
60         for non-PIC TLS_MODEL_INITIAL_EXEC case.
61
62 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
63
64         * expmed.c: Fix a comment typo.
65
66 2004-11-06  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
67
68         PR target/18106
69         * config/i386/cygming.h
70         [HAVE_GAS_WEAK] (ASM_WEAKEN_LABEL): Macro defined.
71
72 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
73
74         * config/sh/sh4a.md: Fix copyright.
75
76 2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>
77
78         * config/rs6000/darwin.md, config/sh/sh4a.md: Replace GNU CC
79         with GCC.
80
81 2004-11-05  David Edelsohn  <edelsohn@gnu.org>
82
83         * config/rs6000/rs6000.md (scc patterns): Replace subfc with subf
84         when carry not used.  Suggested by Torbjorn Granlund.
85
86         * config/rs6000/rs6000.c (rs6000_emit_move): Don't force_reg
87         operand[1] unnecessarily.  Suggested by Eric Christopher.
88         (rs6000_adjust_cost): Increase latency of store to wider load.
89         (rs6000_rtx_costs): mulli only allows 16-bit constants.
90
91 2004-11-05  Stan Shebs  <shebs@apple.com>
92
93         * config/rs6000/rs6000.c (machopic_output_stub): Output
94         ldu instead of lwzu for 64-bit stubs.
95
96 2004-11-05  Richard Henderson  <rth@redhat.com>
97
98         * config/alpha/alpha.c (alpha_expand_unaligned_load): Special case
99         size 2 with BWX.
100         (alpha_expand_unaligned_store): Likewise.
101
102 2004-11-05  Richard Henderson  <rth@redhat.com>
103
104         * expmed.c (extract_force_align_mem_bit_field): New.
105         (extract_split_bit_field): Call it.
106
107 2004-11-05  Richard Henderson  <rth@redhat.com>
108
109         * ia64.md (UNSPEC_SHRP): New.
110         (dshift_count_operand): New.
111         (ashrti3, ashrti3_internal, lshrti3, lshrti3_internal, shrp): New.
112         * ia64.c (rtx_needs_barrier): Handle UNSPEC_SHRP.
113
114 2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
115
116         * c-typeck.c (output_init_element): Return early if value is
117         error_mark_node.
118
119 2004-11-05  James E Wilson  <wilson@specifixinc.com>
120
121         * invoke.texi (-fno-guess-branch-probability): Rewrite.
122
123         * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC_GR_SPILL): Change
124         1 to UNSPEC_GR_SPILL.
125
126 2004-11-05  Andreas Krebbel  <krebbel1@de.ibm.com>
127
128         * config/s390/s390.c (s390_fixed_condition_code_regs): New function.
129         (TARGET_FIXED_CONDITION_CODE_REGS): Macro defined.
130
131 2004-11-05  Nathan Sidwell  <nathan@codesourcery.com>
132
133         * bitmap.h (enum bitmap_bits): Remove.
134         (bitmap_operation): Remove.
135         (bitmap_and, bitmap_and_into, bitmap_and_compl,
136         bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
137         bitmap_xor_into): Prototype.
138         * bitmap.c (bitmap_elt_insert_after, bitmap_elt_clear_from): New.
139         (bitmap_operation): Remove.
140         (bitmap_and, bitmap_and_into, bitmap_and_compl,
141         bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
142         bitmap_xor_into): New.
143         (bitmap_ior_and_compl, bitmap_ior_and_compl_into): Adjust.
144
145         PR tree-optimization/18307
146         * tree-ssa-alias.c (merge_pointed_to_info): Protected against DEST
147         and ORIG being the same node.
148
149 2004-11-04  Geoffrey Keating  <geoffk@apple.com>
150
151         * Makefile.in (distclean): Don't delete nonexistent fixinc/ directory.
152         (install-mkheaders): Install the version built for the
153         host, not for the build machine.
154         * configure.ac: Always run fixincludes.
155         (all_outputs): Remove mkheaders.
156         * configure: Regenerate.
157         * fixinc.in: Move to fixincludes/.
158         * mkfixinc.sh: Likewise.
159         * mkheaders.in: Likewise.
160         * README-fixinc: Likewise.
161
162 2004-11-05  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>
163
164         PR target/18263
165         * config/arc/lib1funcs.asm (___umulsidi3): Change use of cmp to the
166         equivalent on the A4.
167
168 2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
169
170         * doc/c-tree.texi, doc/cfg.texi, doc/contrib.texi, doc/cpp.texi,
171         doc/cppopts.texi, doc/extend.texi, doc/fragments.texi,
172         doc/frontends.texi, doc/gcov.texi, doc/hostconfig.texi,
173         doc/implement-c.texi, doc/install.texi, doc/invoke.texi,
174         doc/libgcc.texi, doc/md.texi, doc/passes.texi,
175         doc/portability.texi, doc/rtl.texi, doc/sourcebuild.texi,
176         doc/standards.texi, doc/tm.texi, doc/tree-ssa.texi,
177         doc/trouble.texi: Correct end-of-sentence markup and markup of
178         "etc.", "e.g." and "i.e.".  Use @code in various places where
179         appropriate.
180
181 2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
182
183         * doc/c-tree.texi, doc/cfg.texi, doc/extend.texi, doc/gty.texi,
184         doc/install.texi, doc/invoke.texi, doc/md.texi, doc/passes.texi,
185         doc/rtl.texi, doc/tm.texi, doc/tree-ssa.texi: Remove trailing
186         whitespace.
187
188 2004-11-04  Mark Mitchell  <mark@codesourcery.com>
189
190         * config/arm/arm.c (arm_handle_notshared_attribute): New function.
191         * doc/extend.texi: Document "notshared" attribute.
192         
193 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
194
195         * tree-phinodes.c (make_phi_node): Make it static.
196         * tree.h: Remove the prototypes for make_phi_node.
197
198 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
199
200         * stmt.c (expand_asm, expand_asm_operands): Make them static.
201         * tree.h: Remove the prototypes for expand_asm and
202         expand_asm_operands.
203
204 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
205
206         * passes.c (rest_of_compilation): Make it static.
207         * toplev.h: Remove the prototype for rest_of_compilation.
208
209 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
210
211         * jump.c (cleanup_barriers): Use delete_insn instead of
212         delete_barrier.
213         (delete_barrier): Remove.
214         * rtl.h: Remove the corresponding prototype.
215
216 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
217
218         * expr.c (mostly_zero_p): Make it static.
219         * tree.h: Remove the prototype for mostly_zeros_p.
220
221 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
222
223         * cfgrtl.c (force_nonfallthru_and_redirect): Make it static.
224
225 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
226
227         * builtins.c (expand_builtin_return_addr,
228         expand_builtin_longjmp, expand_builtin_trap): Make them static.
229         * expr.h: Remove the prototypes for expand_builtin_longjmp and
230         expand_builtin_trap.
231         * tree.h: Remove the prototype for expand_builtin_return_addr.
232
233 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
234
235         * tree-cfg.c (find_taken_edge): Reject VAL begin NULL.
236         * tree-ssa-ccp.c (visit_cond_stmt): Don't call find_taken_edge
237         with VAL being NULL.
238
239 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
240
241         * cfghooks.c (delete_basic_block): Remove code to truncate
242         edge vectors.
243
244 2004-11-04  Andrew Pinski  <pinskia@physics.uc.edu>
245
246         * flow.c (init_propagate_block_info): Change the type of i to 
247         unsigned.
248
249 2004-11-04  Ulrich Weigand  <uweigand@de.ibm.com>
250
251         PR tree-optimization/18184
252         * c-typeck.c (comptypes): Do not treat pointers of different
253         modes or alias-all flags as equivalent.
254         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Likewise.
255
256 2004-11-04  Joseph S. Myers  <joseph@codesourcery.com>
257
258         * doc/gty.texi, doc/makefile.texi, doc/sourcebuild.texi: Don't
259         reference specific C parser files in examples.
260
261 2004-11-04  Richard Sandiford  <rsandifo@redhat.com>
262
263         PR target/15342
264         * regrename.c (scan_rtx): Treat the destinations of SETs and CLOBBERs
265         as OP_INOUT if the instruction is predicated.
266
267 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
268
269         * bitmap.h: Fix a comment typo.  Follow spelling conventions.
270         * tree-vectorizer.c: Fix a comment typo.
271
272 2004-11-04  Kazu Hirata  <kazu@cs.umass.edu>
273
274         * sdbout.c (SDB_GENERATE_FAKE): Remove.
275         (gen_fake_label): Don't use SDB_GENERATE_FAKE.
276         * system.h: Poison SDB_GENERATE_FAKE.
277         * doc/tm.texi (SDB_GENERATE_FAKE): Remove.
278
279 2004-11-04  Ulrich Weigand  <uweigand@de.ibm.com>
280
281         * config/s390/s390.md ("*addsi3_sign"): Use canonical RTL.
282
283 2004-11-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
284
285         PR other/18277
286         * gthr-posix.h (__gthread_recursive_mutex_init_function): Revert
287         2004-10-29 patch
288
289 2004-11-04  Nathan Sidwell  <nathan@codesourcery.com>
290
291         * predict.c (propagate_freq): Make bitno unsigned. Move
292         npredecessors update out of loop.
293
294         * bitmap.h (bitmap_iterator): Remove word_bit and bit
295         fields. Rename others.
296         (bmp_iter_common_next_1, bmp_iter_single_next_1,
297         bmp_iter_single_init, bmp_iter_end_p, bmp_iter_single_next,
298         bmp_iter_and_not_next_1, bmp_iter_and_not_init,
299         bmp_iter_and_not_next, bmp_iter_and_next_1, bmp_iter_and_init,
300         bmp_iter_and_next): Remove.
301         (bmp_iter_set_init, bmp_iter_and_init, bmp_iter_and_compl_init,
302         bmp_iter_next, bmp_iter_set, bmp_iter_and, bmp_iter_and_compl):
303         New.
304         (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_IN_BITMAP,
305         EXECUTE_IF_AND_COMPL_IN_BITMAP): Adjust.
306
307         * bitmap.h (bitmap_a_or_b, bitmap_a_and_b): Remove.
308         * df.c (dataflow_set_a_op_b): Use bitmap_and, bitmap_ior,
309         bitmap_and_into, bitmap_ior_into as appropriate.
310         * except.c (remove_eh_handler): Likewise.
311         * global.c (modify_bb_reg_pav, make_accurate_live_analysis): Likewise.
312         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
313         * tree-ssa-alias.c (merge_pointed_to_info): Likewise.
314         * tree-ssa-live.h (live_merge_and_clear): Likewise.
315         * tree-ssa-loop-ivopts.c (find_best_candidate, try_add_cand_for):
316         Likewise.
317
318         * bitmap.c (bitmap_print): Make bitno unsigned.
319         * bt-load.c (clear_btr_from_live_range,
320         btr_def_live_range): Likewise.
321         * caller-save.c (save_call_clobbered_regs): Likewise.
322         * cfganal.c (compute_dominance_frontiers_1): Likewise.
323         * cfgcleanup.c (thread_jump): Likewise.
324         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
325         * conflict.c (conflict_graph_compute): Likewise.
326         * ddg.c (add_deps_for_use): Likewise.
327         * df.c (df_refs_update): Likewise.
328         * except.c (remove_eh_handler): Likewise.
329         * flow.c (verify_local_live_at_start, update_life_info,
330         initialize_uninitialized_subregs, propagate_one_insn,
331         free_propagate_block_info, propagate_block, find_use_as_address,
332         reg_set_to_hard_reg_set): Likewise.
333         * gcse.c (clear_modify_mem_tables): Likewise.
334         * global.c (global_conflicts, build_insn_chain): Likewise.
335         * ifcvt.c (dead_or_predicable): Likewise.
336         * local-alloc.c (update_equiv_regs): Likewise.
337         * loop.c (load_mems): Likewise.
338         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs):
339         Likewise.
340         * ra-rewrite.c (reloads_to_loads, rewrite_program2, actual_spill):
341         Likewise.
342         * reload1.c (order_regs_for_reload, finish_spills): Likewise.
343         * sched-deps.c (sched_analyze_insn, free_deps): Likewise.
344         * sched-rgn.c (propagate_deps
345         * tree-cfg.c (tree_purge_all_dead_eh_edges): Likewise.
346         * tree-dfa.c (dump_dfa_stats
347         tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
348         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags):
349         Likewise.
350         * tree-outof-ssa.c (coalesce_ssa_name, coalesce_vars,
351         free_temp_expr_table, find_replaceable_exprs): Likewise.
352         * tree-sra.c (scan_function, scalarize_parms): Likewise.
353         * tree-ssa-alias.c (init_alias_info,
354         compute_points_to_and_addr_escape,
355         compute_flow_sensitive_aliasing, maybe_create_global_var): Likewise.
356         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Likewise.
357         * tree-ssa-live.c (new_tree_live_info, live_worklist,
358         calculate_live_on_entry, calculate_live_on_exit, compare_pairs,
359         sort_coalesce_list, build_tree_conflict_graph, dump_live_info
360         tree-ssa-loop-manip.c (add_exit_phis_var): Likewise.
361         tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
362         add_call_read_ops): Likewise.
363         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Likewise.
364         * tree-ssa-live.h (num_var_partitions): Return unsigned.
365
366 2004-11-03  Dorit Naishlos  <dorit@il.ibm.com>
367
368         PR tree-optimization/18009
369         * tree-vectorizer.h (enum dr_alignment_support): New type.
370         (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): Removed.
371         (LOOP_UNALIGNED_DR): replaced with LOOP_VINFO_UNALIGNED_DR and holds a
372         single data_reference (instead of a varray of references).
373         * tree-vectorizer.c (new_loop_vec_info): Likewise.
374         (vect_gen_niters_for_prolog_loop): Likewise.
375         (vect_update_inits_of_drs): Likewise.
376
377         (vect_update_inits_of_drs): Setting of DR_MISALIGNMENT moved to
378         vect_enhance_data_refs_alignment.
379         (vect_do_peeling_for_alignment): Likewise.
380         (vect_enhance_data_refs_alignment): Decide if and by how much to peel;
381         this functionality used to be in vect_analyze_data_refs_alignment.
382         Also update DR_MISALIGNMENT due to peeling; this functionality used to
383         be in vect_update_inits_of_drs and vect_do_peeling_for_alignment).
384         (vect_analyze_data_refs_alignment): Decision on whether and by how much
385         to peel moved to vect_enhance_data_refs_alignment. Call 
386         vect_supportable_dr_alignment.
387
388         (vect_compute_data_ref_alignment): Set STMT_VINFO_VECTYPE.
389         (vect_compute_data_refs_alignment): Return bool. Consider return value
390         of vect_compute_data_ref_alignment and return true/false accordingly.
391         (vect_enhance_data_refs_alignment): Consider return value of 
392         vect_compute_data_refs_alignment and return true/false accordingly.
393
394         (vect_supportable_dr_alignment): New function.
395         (vectorizable_store): Call vect_supportable_dr_alignment.
396         (vectorizable_load): Call vect_supportable_dr_alignment. Alignment
397         support checks moved from here to vect_supportable_dr_alignment.
398
399         (vect_transform_loop): Avoid 80 columns overflow.
400
401 2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
402
403         * timevar.c (timevar_enable): Change from
404         static.
405         (timevar_push): Rename to ...
406         (timevar_push_1): this and remove the
407         enabled check.
408         (timevar_pop): Rename to ...
409         (timevar_pop_1): this and remove the
410         enabled check.
411         * timevar.h (POP_TIMEVAR_AND_RETURN): Use do/while loops.
412         (timevar_pop): New macro.
413         (timevar_push): New macro.
414         (timevar_enable): Declare.
415
416 2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
417
418         * config/darwin.h (REAL_LIBGCC_SPEC): Define to use shared
419         libgcc for shared libraries.
420
421 2004-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
422
423         * config/s390/s390-protos.h (s390_split_access_reg): Add prototype.
424         * config/s390/s390.c (s390_split_access_reg): New function.
425         (regclass_map): Add access registers.
426         (get_thread_pointer): Use access register instead of UNSPEC_TP.
427         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Set to 38.
428         (ACCESS_REGNO_P, ACCESS_REG_P): New macros.
429         (TP_REGNUM): New define.
430         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
431         REG_ALLOC_ORDER): Add access registers.
432         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
433         CANNOT_CHANGE_MODE_CLASS): Support access registers.
434         (enum reg_class): Add ACCESS_REGS.
435         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
436         (REG_CLASS_FROM_LETTER): Add 't' constraint.
437         (REGISTER_NAMES): Add access registers.
438         * config/s390/s390.md (UNSPEC_TP): Remove.
439         ("*movdi_64"): Add access register alternatives.  Provide splitters
440         to split DImode access register <-> GPR moves into SImode moves.
441         ("*movsi_zarch", "*movsi_esa"): Add access register alternatives.
442         ("movstrictsi"): Likewise.
443         ("get_tp_64", "get_tp_31"): Reimplement using access registers.
444         ("set_tp_64", "set_tp_31"): Likewise.
445         ("*set_tp"): New insn.
446
447 2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>
448
449         * tree-phinodes.c (resize_phi_node): Copy only a portion of
450         the PHI node currently in use.
451
452 2004-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
453
454         PR tree-opt/18231
455         * tree.c (staticp) <case FUNCTION_DECL>: Nested functions are static
456         also.
457
458 2004-11-03  Andrew MacLeod  <amacleod@redhat.com>
459
460         PR tree-optimization/18270
461         * tree-outof-ssa.c (analyze_edges_for_bb): If a block has incoming
462         abnormal edges, commit all pending stmts on incoming edges.
463
464 2004-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
465
466         * tree-ssa-loop-ivopts.c (get_address_cost): Offset zero does not
467         cause extra costs.  Generate canonical RTL.
468
469 2004-11-02  Daniel Berlin  <dberlin@dberlin.org>
470
471         * lambda-code.c (lambda_compute_auxillary_space): Update comments.
472         (lambda_compute_target_space). Ditto.
473         * lambda.h (lambda_trans_matrix): Ditto.
474         (lambda_linear_expression): Ditto.
475         (lambda_body_vector): Ditto.
476         (lambda_loopnest): Ditto.
477         * tree-loop-linear.c (gather_interchange_stats): Combine tests,
478         update comments, and remove pointless addition of 0.
479         (linear_transform_loops): Update comments.
480
481 2004-11-03  Sebastian Pop  <pop@cri.ensmp.fr>
482
483         * tree.c (tree_fold_gcd): Use FLOOR_MOD_EXPR instead of
484         CEIL_MOD_EXPR.
485
486 2004-11-03 Jeff Law  <law@redhat.com>
487
488         * predict.c (struct block_info_def): Kill "tovisit" field.
489         (propagate_freq): Accept new "tovisit" parameter.  Change
490         read/write access methods for "tovisit" to check the "tovisit"
491         bitmap instead of a bit in block_info_def.
492         (estimate_loops_at_level): Allocate "tovisit" bitmap.  Pass
493         it to propagate_freq.
494
495         * stmt.c (expand_case): Speed up code to detect duplicate case
496         label targets and count unique case label targets.
497
498 2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>
499
500         * cppdefault.c, cppdefault.h, timevar.h: Update copyright.
501
502 2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>
503
504         * bitmap.h, dbxout.c, tree-mudflap.c: Fix comment formatting.
505
506 2004-11-03  Kazu Hirata  <kazu@cs.umass.edu>
507
508         * tree-cfg.c (find_taken_edge): Abort if we are given a
509         statement that is neither COND_EXPR nor SWITCH_EXPR.
510
511 2004-11-02  Zdenek Dvorak  <dvorakz@suse.cz>
512
513         * fold-const.c (fold): Reassociate also (x - mult) + mult and
514         (mult - x) + mult.  Cast operands of expression after applying
515         distributive law to the correct types.  Apply distributive law
516         to a * c - b * c for all non-float types.
517
518 2004-11-02  Geoffrey Keating  <geoffk@apple.com>
519
520         * configure.ac: Don't clear STMP_FIXINC or STMP_FIXPROTO just
521         because we don't want to run them now; instead, set them to
522         stmp-install-fixproto or stmp-install-fixinc.
523         * Makefile.in (stmp-install-fixproto): New.
524         (stmp-install-fixinc): New.
525         * configure: Regenerate.
526
527 2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>
528
529         * flow.c (init_propagate_block_info): Use bitmap_empty_p on result
530         of bitmap_xor.
531
532 2004-11-02  Ziemowit Laski  <zlaski@apple.com>
533
534         * c-lang.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Remove.
535         (c_types_compatible_p): Move function definition...
536         * c-objc-common.c (c_types_compatible_p): ...here.
537         * c-objc-common.h (LANG_HOOKS_TYPES_COMPATIBLE_P): Moved here from
538         c-lang.c.
539
540 2004-11-02  Steven Bosscher  <stevenb@suse.de>
541
542         * cfgloop.h (struct loop): Update comment.
543         * cse.c (cse_main): Remove obsolete comment.
544
545         * expr.h (gen_cond_trap): Move prototype under functions provided
546         by optabs.c.
547         (canonicalize_condition, get_condition): Move to...
548         * rtl.h (canonicalize_condition, get_condition): ...here.
549         (branch_target_load_optimize): Add comment that this function is
550         in bt-load.c.
551         * loop.c (canonicalize_condition, get_condition): Move to...
552         * rtlanal.c (canonicalize_condition, get_condition): ...here.
553         * sched-deps.c (get_condition): Rename to sched_get_condition.
554         (add_dependence): Update this caller.
555  
556 2004-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
557
558         PR tree-opt/16808
559         * tree-ssa.c (replace_immediate_uses): If we call fold_stmt, make sure
560         that the vops get marked for renaming.
561
562 2004-11-02  Andreas Krebbel  <krebbel1@de.ibm.com>
563
564         * config/s390/s390.md ("movcc"): Set type attribute.
565
566 2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>
567
568         * tree-phinodes.c (add_phi_arg): Add an assertion that the
569         edge already exists.
570
571 2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>
572
573         * tree-phinodes.c (remove_phi_arg_num): Do not zero the
574         element that's being removed.
575
576 2004-11-02  Kazu Hirata  <kazu@cs.umass.edu>
577
578         * tree-ssa-threadupdate.c (copy_phis_to_block): Install PHI
579         arguments using PENDING_STMT.
580         (thread_block): Call copy_phis_to_block after redirecting an
581         edge.
582
583 2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>
584
585         * bitmap.h (bitmap_and, bitmap_and_into, bitmap_and_compl,
586         bitmap_and_compl_into, bitmap_ior, bitmap_iot_into,
587         bitmap_ior_compl, bitmap_xor, bitmap_xor_into): Produce void.
588         (bitmap_ior_and_compl_into): Produce bool.
589         (bitmap_union_of_diff): Rename to ...
590         (bitmap_ior_and_compl): ... here. Produce bool.
591         * bitmap.c (bitmap_ior_and_compl_into): Return bool. Use
592         bitmap_operation directly.
593         (bitmap_union_of_diff): Rename to ...
594         (bitmap_ior_and_compl): ... here. Return bool, use
595         bitmap_operation directly.
596         * df.c (df_rd_transfer_function): Use bitmap_ior_and_compl.
597         (df_ru_transfer_function, df_lr_transfer_function): Likewise.
598         * global.c (modify_bb_reg_pav): Likewise.
599
600         * bitmap.h (bitmap_equal_p): Return bool.
601         (bitmap_intersect_p, bitmap_intersect_compl_p): Declare.
602         * bitmap.c (bitmap_equal_p): Return bool. Compare directly.
603         (bitmap_intersect_p, bitmap_intersect_compl_p): New.
604         * flow.c (calculate_global_regs_live): Use bitmap_intersect_p and
605         bitmap_intersect_compl_p.
606         * ifcvt (dead_or_predicable): Likewise.
607
608 2004-11-02  Nathan Sidwell  <nathan@codesourcery.com>
609
610         PR rtl-optimization/17104
611         * config/rs6000/rs6000.c (rs6000_emit_move): Don't wrap small
612         loads in zero_extend.
613
614 2004-11-02  Danny Smith  <dannysmith@users.sourceforge.net>
615
616         PR debug/18242
617         * toplev.c (debug_type_names): Remove "dwarf-1".
618
619 2004-11-02  Ben Elliston  <bje@au.ibm.com>
620
621         * timevar.h (timevar_get): Remove. 
622         * timevar.c (timevar_get): Remove unused function.
623
624 2004-11-02  Joseph S. Myers  <joseph@codesourcery.com>
625
626         * doc/include/texinfo.tex: Update from Texinfo CVS.
627
628 2004-11-02  Ben Elliston  <bje@au.ibm.com>
629
630         * cppdefault.h (cpp_SYSROOT): Remove.
631         * cppdefault.c (cpp_SYSROOT): Likewise.
632
633 2004-11-01  Andrew MacLeod  <amacleod@redhat.com>
634
635         PR tree-optimization/16447
636         * tree-cfg.c (bsi_commit_one_edge_insert): Rename from 
637         bsi_commit_edge_inserts_1, and make funtion external.  Return new block.
638         (bsi_commit_edge_inserts): Use renamed bsi_commit_one_edge_insert.
639         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Enable listing.
640         * tree-flow.h (bsi_commit_one_edge_insert): Extern decl.
641         * tree-outof-ssa.c (rewrite_trees): Don't commit edges here.
642         (same_stmt_list_p): New.  Return TRUE if edge is to be forwarded.
643         (identical_copies_p): New.  Return true is two copies are the same.
644         (identical_stmt_lists_p): New.  Return true if stmt lists are the same.
645         (analyze_edges_for_bb): New.  Determine how best to insert edge stmts 
646         for a basic block.
647         (perform_edge_inserts): New.  Determine what to do with all stmts that
648         have been inserted on edges.
649         (remove_ssa_form):  Analyze and commit edges from here.
650
651 2004-11-01  Andrew Pinski  <pinskia@physics.uc.edu>
652
653         PR bootstrap/18232
654         * bitmap.h (bmp_iter_end_p): Take a const pointer instead of a struct.
655         (EXECUTE_IF_SET_IN_BITMAP): Update call to bmp_iter_end_p.
656         (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
657         (EXECUTE_IF_AND_IN_BITMAP): Likewise.
658
659 2004-11-01  Joseph S. Myers  <joseph@codesourcery.com>
660
661         PR c/18239
662         * c-decl.c (get_parm_info): Allow FUNCTION_DECLs to appear amongst
663         parameter declarations.
664
665 2004-11-01  Andreas Krebbel  <krebbel1@de.ibm.com>
666
667         * config/s390/s390.c (regclass_map): Put reg 33 (cc) to CC_REGS group.
668         (s390_secondary_input_reload_class)
669         (s390_secondary_output_reload_class): Use GENERAL_REGS to reload a cc
670         register.
671         (s390_expand_cmpmem): Enable cmpmem implementation.
672         * config/s390/s390.h (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
673         Added three new classes: CC_REGS, ADDR_CC_REGS, GENERAL_CC_REGS.
674         (REG_CLASS_FROM_LETTER): New constraint 'c' added.
675         * config/s390/s390.md ("movcc"): New insn pattern.
676         * doc/md.texi: Document 'c' constraint for s390.
677
678 2004-11-01  Nathan Sidwell  <nathan@codesourcery.com>
679
680         PR c++/18064
681         * doc/extend.texi (Deprecated Features): Deprecate G++ covariant
682         extension.
683
684 2004-10-16  Daniel Berlin  <dberlin@dberlin.org>
685
686         Fix PR tree-optimization/17672
687         Fix PR tree-optimization/18168
688         
689         * lambda-code.c (lambda_lattice_compute_base): Fix reversed
690         assert test.
691         (gcc_tree_to_linear_expression): Add extra to existing constant.
692         (depth_of_nest): Factor out function used in various places.
693         (gcc_loop_to_lambda_loop): Clean up code a little bit. No
694         functional changes.
695         (find_induction_var_from_exit_cond): Stop guessing, and just
696         get the right answer :).
697         (gcc_loopnest_to_lambda_loopnest): Remove useless pre-allocation.
698         Print out message about result of attempt to create perfect nest.
699         (lbv_to_gcc_expression): Add type argument, use it to do math
700         and induction variable creation.
701         (lle_to_gcc_expression): Ditto.
702         (lambda_loopnest_to_gcc_loopnest): Create new iv with same type as
703         oldiv. Pass type argument to lle_to_gcc_expression and 
704         lbv_to_gcc_expression.
705         Reset number of iterations after transformation.
706         (perfect_nestify): Remove useless pre-allocation, and cleanup
707         a small amount.
708
709         * tree-data-ref.c (build_classic_dist_vector): Return false for
710         dependences completely outside of the loop nest we asked about.
711         (build_classic_dir_vector): Ditto.
712         (compute_data_dependences_for_loop): Only add dependence relations
713         inside the loop we asked about.
714         
715         * tree-loop-linear.c (linear_transform_loops): Use DDR_SIZE_VECT.
716         Compute immediate uses.
717         
718         * tree-optimize.c: Move linear_transform_loops to before ivcanon.
719         
720 2004-11-01  Kazu Hirata  <kazu@cs.umass.edu>
721
722         * tree-cfg.c (thread_jumps): Fix a comment typo.
723
724 2004-11-01  Kazu Hirata  <kazu@cs.umass.edu>
725
726         * tree-cfg.c (thread_jumps): Fix a comment typo.
727
728 2004-10-31  Nicolas Pitre <nico@cam.org>
729
730         * config/arm/ieee754-sf.S (floatdisf): Fix regression with
731         values smaller than 2^32.
732
733 2004-10-31 Jeff Law  <law@redhat.com>
734
735         * cfgloop.h (struct loop): Remove unused "nodes" field.
736         * timevar.def (TV_TREE_LOOP_BOUNDS): New.
737         * tree-data-ref.c (find_data_references_in_loop): Use get_loop_body
738         instead of calling flow_bb_inside_loop_p for every basic block
739         in the function.
740         * tree-ssa-loop.c (pass_record_bounds): Use TV_TREE_LOOP_BOUNDS.
741
742 2004-10-31  Graham Stott <graham.stott@btinternet.com>
743
744         * config/pa/pa.md: (prefetch_64, prefetch_32): Fix typo.  Use
745         INT_5_BITS instead of VAL_5_BITS_P.
746
747 2004-10-31  Roger Sayle  <roger@eyesopen.com>
748
749         PR middle-end/14521
750         * tree-inline.c (inline_forbidden_p_1): Use %qF instead of '%F'
751         for consistent quoting in diagnostic messages.
752         (expand_call_inline): Likewise.
753         * tree-optimize.c (tree_rest_of_compilation): Likewise.
754         * tree-ssa.c (warn_uninitialized_var): Likewise.
755         (warn_uninitialized_phi): Likewise.
756
757 2004-10-31  Richard Sandiford  <rsandifo@redhat.com>
758
759         * config/mips/mips.c (mips_cannot_change_mode_class): Use a stricter
760         mode check.
761
762 2004-10-31  Kazu Hirata  <kazu@cs.umass.edu>
763
764         * c-common.c: Fix a comment typo.
765
766 2004-10-31  Jason Merrill  <jason@redhat.com>
767
768         PR middle-end/17526
769         * tree-gimple.c (is_gimple_mem_rhs): Also require a val for
770         aggregate types that are not BLKmode.
771
772 2004-10-30  Ziemowit Laski  <zlaski@apple.com>
773
774         * c-common.h (objc_lookup_ivar): Add second parameter to
775         prototype.
776         * c-typeck.c (build_external_ref): After looking up symbol,
777         pass it to objc_lookup_ivar() to decide whether it or the
778         ivar should be used, rather than deciding the issue locally.
779         * stub-objc.c (objc_lookup_ivar): Add an OTHER parameter,
780         which is simply returned in the non-ObjC case.
781
782 2004-10-30  Danny Smith  <dannysmith@users.sourceforge.net>
783
784         * sdbout.c (sdbout_symbol): Do not output type .def statements
785         for builtin types.
786
787 2004-10-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
788
789         * c-common.c (catenate_strings): New.
790         (c_parse_error): Use it.  Don't over-escape.
791
792 2004-10-30  Kaz Kojima  <kkojima@gcc.gnu.org>
793
794         * config/sh/sh.c (calc_live_regs): Declare reg as unsigned and
795         modify the for loop expressions for it.  Remove unnecessary casts.
796         (sh_expand_prologue): Declare reg as unsigned.
797         (sh_gimplify_va_arg_expr): Initinalize lab_over.
798         (sh_handle_sp_switch_attribute): Add const qualifier appropriately.
799
800 2004-10-30  Geoffrey Keating  <geoffk@apple.com>
801
802         * doc/invoke.texi (Darwin Options): Improve description of
803         how the subtype is chosen.
804
805 2004-10-30  Roger Sayle  <roger@eyesopen.com>
806
807         PR middle-end/18096
808         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Check that
809         the stack adjustment, "size", is valid for Pmode.  If the stack
810         frame is too large, generate a trap insn and issue a warning.
811
812 2004-10-30  Kazu Hirata  <kazu@cs.umass.edu>
813
814         * tree-ssa-dom.c: Fix comment typos.
815
816 2004-10-30  Kaz Kojima  <kkojima@gcc.gnu.org>
817
818         * config/sh/sh.c (prepare_move_operands): Use operands[0]
819         for the output rtl if no_new_pseudos is set.  Remove redundant
820         line.
821
822 2004-10-30  Joseph S. Myers  <joseph@codesourcery.com>
823
824         PR c/16666
825         * c-decl.c (start_function): Don't check for DECL_BUILT_IN when
826         determining whether to copy parameter types from a previous
827         prototype declaration.
828
829 2004-10-29  Roger Sayle  <roger@eyesopen.com>
830
831         PR rtl-optimization/17581
832         * cselib.c (cselib_process_insn): The last instruction of a libcall
833         block, with the REG_RETVAL note, should be considered in the libcall.
834         * gcse.c (do_local_cprop): Allow constants to be propagated outside
835         of libcall blocks.
836         (adjust_libcall_notes): Use simplify_replace_rtx instead of
837         replace_rtx to avoid creating invalid RTL in REG_RETVAL notes.
838
839 2004-10-30  Kazu Hirata  <kazu@cs.umass.edu>
840
841         * tree-phinodes.c (create_phi_node): Don't zero PHI_REWRITTEN.
842
843 2004-10-29 Jeff Law  <law@redhat.com>
844
845         * tree-ssa-dom.c (struct edge_info): New structure holding
846         edge equivalences and edge redirection information.
847         (get_eq_expr_value, record_dominating_conditions): Kill.
848         (propagate_to_outgoing_edges): Renamed from cprop_into_phis.
849         Call record_edge_info.
850         (allocate_edge_info, free_edge_info): New.
851         (tree_ssa_dominator_optimize): Use propagate_to_outgoing_edges
852         rather than cprop_into_phis.  Free all edge infos before threading
853         jumps.
854         (thread_across_edge): Allocate new edge info structures as needed
855         and store the redirection target into the edge info structure
856         instead of the edge's AUX field.
857         (dom_opt_initialize_block): Mark unused argument with ATTRIBUTE_UNUSED.
858         (record_equivalence_from_incoming_edge): Lose unnecessary argument.
859         Revamp code which finds and records equivalences associated with
860         edges to use saved data in the edge_info structure.
861         (record_equivalencs_from_phis): Similarly.
862         (dom_opt_finalize_block): Revamp code which finds and records
863         equivalences associated with edges to use saved data in the
864         edge_info structure.
865         (build_and_record_new_cond): New function.
866         (record_conditions): Use build_and_record_new_cond to record
867         dominating conditions.
868         (record_edge_info): New function.
869         (record_range): Tighten test for conditions which create
870         useful range records.
871
872 2004-10-29  Geoffrey Keating  <geoffk@apple.com>
873
874         * config/i386/darwin.h (ASM_SPEC): Simplify.
875         (SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec.
876         * config/rs6000/darwin.h (DARWIN_SUBARCH_SPEC): New.
877         (SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec.
878         * config/darwin.h (LINK_COMMAND_SPEC): Don't pass -arch here.
879         (LINK_SPEC): Do pass -arch here.  Handle -force_cpusubtype_ALL
880         in all cases.  Pass the right -arch or -arch_only based on -mcpu.
881         (ASM_SPEC): Handle -force_cpusubtype_ALL.
882         * doc/invoke.texi (Darwin Options): Improve documentation for
883         Darwin linker (and libtool) switches.
884
885         * config/rs6000/darwin-fallback.c: Include <mach/thread_status.h>.
886
887 2004-10-29  Stan Shebs  <shebs@apple.com>
888
889         * config/rs6000/darwin-tramp.asm: Make more 64-bit-friendly.
890
891 2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>
892
893         * tree-phinodes.c (allocate_phi_node): New.
894         (make_phi_node, resize_phi_node): Use it.
895
896 2004-10-29  David Edelsohn  <edelsohn@gnu.org>
897
898         * config/rs6000/sysv4.h (TARGET_POWER): Define as 0.
899         * config/rs6000/darwin.h (TARGET_POWER): Define as 0.
900
901 2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>
902
903         * tree-phinodes.c (make_phi_node, resize_phi_node): Don't zero
904         the whole PHI node.
905         * tree.h (tree_phi_node): Tell the garbage collector to chase
906         num_args arguments.
907
908 2004-10-29  Richard Earnshaw  <rearnsha@arm.com>
909
910         * opts.c (decode_options): Lower the crossjump threshold for -Os.
911
912 2004-10-29  Diego Novillo  <dnovillo@redhat.com>
913
914         * tree.h (struct tree_ssa_name): Remove field 'equiv'.
915
916 2004-10-28  Nathan Sidwell  <nathan@codesourcery.com>
917
918         * bitmap.h (bitmap_empty_p): New.
919         (bitmap_and, bitmap_and_into, bitmap_and_compl,
920         bitmap_and_compl_into, bitmap_ior, bitmap_ior_into,
921         bitmap_ior_compl, bitmap_xor, bitmap_xor_into): New bitmap
922         operation macros.
923         (bitmap_ior_and_compl): Rename to ...
924         (bitmap_ior_and_compl_into): ... here.
925         * bitmap.c (bitmap_equal_p): Use bitmap_xor.
926         (bitmap_ior_and_compl): Rename to ...
927         (bitmap_ior_and_compl_into): ... here. Adjust. Return changed
928         flag.
929         (bitmap_union_of_diff): Use renamed bitmap functions.
930         * basic-block.h (AND_REG_SET, AND_COMPL_REG_SET, IOR_REG_SET,
931         XOR_REG_SET, IOR_AND_COMPL_REG_SET): Likewise.
932         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
933         * df.c (df_bb_rd_local_compute)
934         * flow.c (calculate_global_regs_live,
935         init_propagate_block_info): Likewise.
936         * ifcvt.c (find_if_case_1, find_if_case_2,
937         dead_or_predicable): Likewise.
938         * ra-build.c (union_web_part_roots, livethrough_conflicts_bb,
939         reset_conflicts, conflicts_between_webs): Likewise.
940         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
941         detect_web_parts_to_rebuild): Likewise.
942         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
943         * tree-int-ssa.c (insert_phi_nodes_for, rewrite_into_ssa): Likewise.
944         * tree-sra.c (decide_instantiations): Likewise.
945         * tree-ssa-alias.c (create_name_tags,
946         merge_pointed_to_info): Likewise.
947         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
948         * tree-ssa-loop-im.c (move_computations): Likewise.
949         * tree-ssa-operands.c (get_call_expr_operands): Likewise.
950         * tree-ssa-pre.c (fini_pre): Likewise.
951         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
952         * tree-ssanames.c (any_marked_for_rewrite_p): Likewise.
953         * tree-vectorizer.c (vectorize_loops): Likewise.
954
955 2004-10-29  Nick Clifton  <nickc@redhat.com>
956
957         config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): When
958         adding the PIC register to the fixed_regs array, also add it
959         to the call_used_regs array.  
960
961 2004-10-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
962
963         * gthr-posix.h (__gthread_recursive_mutex_init_function): Guard
964         with #ifdef PTHREAD_MUTEX_RECURSIVE/#endif pairs.
965
966 2004-10-28  Daniel Berlin  <dberlin@dberlin.org>
967
968         * tree-into-ssa.c (rewrite_virtual_phi_arguments): New function.
969         (rewrite_blocks): Modify argument, and use it to decide which
970         function to call.
971         (rewrite_def_def_chains): Call rewrite_blocks with true here.
972         (rewrite_into_ssa): and call it with false here.
973         
974 2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>
975
976         * tree-phinodes.c (add_phi_arg): Turn an "if" that always
977         triggers into gcc_assert.
978
979 2004-10-28  Diego Novillo  <dnovillo@redhat.com>
980
981         PR tree-optimization/16728
982         * tree-flow.h (get_ptr_info): Declare.
983         * tree-ssa-alias.c (get_ptr_info): Make extern.
984         * tree-ssa-copy.c (merge_alias_info): Merge flow-sensitive
985         alias information.
986
987 2004-10-28  Stan Shebs  <shebs@apple.com>
988
989         * config/rs6000/darwin.h (SUBTARGET_EXTRA_SPECS): Handle -m64.
990         * config/rs6000/rs6000.c (rs6000_darwin_file_start): Add ppc64
991         case.
992
993 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
994
995         * tree-mudflap.c (mudflap_init): Mark cache-lookup decls to
996         prevent their later unnecessary registration.
997         (mf_build_check_statement_for): Remove "addr" argument, and
998         related "__mf_value" generated code.  Update callers.
999         (mf_decl_eligible_p): New function, factored from mx_register_decls.
1000         (mx_register_decls): Call it.
1001         (mf_xform_derefs_1): Rewrite COMPONENT_REF and ARRAY_REF cases
1002         to restore support for complex nested expressions.
1003         (mudflap_enqueue_decl): Simplify.  Move registration call emission
1004         out ...
1005         (mudflap_finish_file): ... to here.
1006         (mudflap_enqueue_constant): Remove dump code.
1007
1008 2004-10-28  Zack Weinberg  <zack@codesourcery.com>
1009
1010         PR 18199
1011         * dbxout.c (dbxout_begin_complex_stabs_noforcetext): New function.
1012         (DBX_FINISH_STABS): Add (unused by default) SYM parameter.
1013         (dbxout_finish_complex_stabs): Update to match.
1014         (dbxout_symbol_location): Call emit_pending_bincls_if_required
1015         and FORCE_TEXT before DBX_STATIC_BLOCK_START.  Use
1016         dbxout_begin_complex_stabs_noforcetext.
1017         * xcoffout.h (DBX_FINISH_STABS): Restore special case for
1018         N_GSYM, using new SYM parameter.  Correct logic for special
1019         cases for N_FUN.
1020
1021         * varasm.c (function_section): If DECL is NULL_TREE, don't try
1022         to do anything else.  Do not call get_insns if cfun or
1023         cfun->emit are NULL.
1024
1025 2004-10-28  Adam Nemet  <anemet@lnxw.com>
1026
1027         PR middle-end/18160
1028         * c-typeck.c (c_mark_addressable): Issue error if address of a
1029         register variable is taken.  Use "%qD" to print DECL_NAME.
1030
1031 2004-10-28  Diego Novillo  <dnovillo@redhat.com>
1032
1033         * opts.c (decode_options): Don't run PRE at -Os.
1034
1035 2004-10-28  Richard Henderson  <rth@redhat.com>
1036
1037         * config/alpha/alpha.md (movqicc_internal): Allow exactly one
1038         zero in the conditional.
1039         (movhicc_internal, movsicc_internal, movdicc_internal): Likewise.
1040
1041 2004-10-28  Richard Henderson  <rth@redhat.com>
1042
1043         * cse.c (memory_extend_rtx): Remove.
1044         (cse_main): Don't set it.
1045         (cse_insn): Use a local buffer instead.
1046
1047 2004-10-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1048
1049         * profile.c (branch_prob): Call to init_edge_profiler added.
1050         * rtl-profile.c (rtl_init_edge_profiler): New function.
1051         (rtl_gen_edge_profiler): Replaced call to insert_insn_on_edge with
1052         call to safe_insert_insn_on_edge.
1053         (rtl_profile_hooks): rtl_init_edge_profiler added.
1054         * tree-profile.c (tree_init_edge_profiler): New function.
1055         (tree_profile_hooks): tree_init_edge_profiler added.
1056         * value-prof.h (profile_hooks) init_edge_profiler prototype added.
1057
1058 2004-10-28  Nick Clifton  <nickc@redhat.com>
1059
1060         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Use
1061         emit_jump_insn() to generate the return instruction.
1062
1063 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
1064
1065         * tree-phinodes.c: Remove trailing whitespace.
1066
1067 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
1068
1069         * tree-ssa-loop-ivopts.c: Fix a comment typo.
1070         * doc/invoke.texi: Fix a typo.
1071
1072 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
1073
1074         * Makefile.in (OBJS-common): Remove duplicates.
1075
1076 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
1077
1078         * lambda-code.c (nestify_update_pending_stmts): Remove.
1079         (perfect_nestify): Use flush_pending_stmts instead of
1080         nestify_update_pending_stmts.
1081         * tree-cfg.c (tree_make_forwarder_block): Use
1082         flush_pending_stmts.
1083         * tree-flow.h: Add a prototype for flush_pending_stmts.
1084         * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
1085         Use flush_pending_stmts.
1086         (lv_update_pending_stmts): Remove.
1087         (tree_ssa_loop_version): Use flush_pending_stmts instead of
1088         lv_update_pending_stmts.
1089         * tree-ssa.c (flush_pending_stmts): New.
1090
1091 2004-10-28  Ulrich Weigand  <uweigand@de.ibm.com>
1092
1093         PR target/15286
1094         * final.c (alter_subreg): Compute correct offset to use with
1095         paradoxical SUBREGs of memory operands.
1096         * recog.c (general_operand): Allow paradoxical SUBREGs of
1097         memory operands after reload.
1098         * simplify-rtx.c (simplify_gen_subreg): Fail if simplify_subreg
1099         has failed when passed a hard register.
1100
1101 2004-10-28  Aldy Hernandez  <aldyh@redhat.com>
1102
1103         * function.c (assign_parm_setup_block): Handle parallels correctly.
1104
1105 2004-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1106
1107         * final.c (shorten_branches): Initialize flags structure.
1108
1109 2004-10-28  Nathan Sidwell  <nathan@codesourcery.com>
1110
1111         * tree.c (int_cst_node, int_cst_hash_table): New variables.
1112         (init_ttree): Initialize them.
1113         (int_cst_hash_hash, int_cst_hash_eq): New hashing functions.
1114         (build_int_cst_wide): Use hash table for oversized integers.
1115
1116 2004-10-28  Nick Clifton  <nickc@redhat.com>
1117
1118         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Define
1119         begin_label.
1120
1121 2004-10-27  Richard Henderson  <rth@redhat.com>
1122
1123         PR middle-end/18163
1124         * expr.c (emit_group_load): Don't go force temporary for memory
1125         or concat source.
1126         (emit_group_store): Similarly.
1127
1128 2004-10-27  Andrew Pinski  <pinskia@physics.uc.edu>
1129
1130         PR other/18186
1131         * common.opt (--param): Fix spelling of parameter.
1132
1133 2004-10-27  Andrew Pinski  <pinskia@physics.uc.edu>
1134
1135         PR tree-opt/17529
1136         * tree-cfg.c (remove_useless_stmts_1) <case SWITCH_EXPR>:
1137         Don't fold statement.
1138         <case ASM_EXPR>: Fold the statement.
1139
1140 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
1141
1142         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
1143         <COND_EXPR>: Use EDGE_COUNT instead of GOTO_DESTINATION.
1144
1145 2004-10-28  Joseph S. Myers  <jsm@polyomino.org.uk>
1146
1147         * doc/contrib.texi, doc/cpp.texi, doc/cppopts.texi,
1148         doc/extend.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
1149         doc/libgcc.texi, doc/md.texi, doc/passes.texi,
1150         doc/sourcebuild.texi, doc/tm.texi: Improve Texinfo formatting.
1151
1152 2004-10-28  Joseph S. Myers  <jsm@polyomino.org.uk>
1153
1154         * doc/c-tree.texi, doc/cpp.texi, doc/implement-c.texi,
1155         doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/tm.texi: Put
1156         punctuation outside quotes.
1157
1158 2004-10-27  David Mosberger  <davidm@hpl.hp.com>
1159             James E Wilson  <wilson@specifixinc.com>
1160
1161         PR target/13158
1162         * config/ia64/ia64.c (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on
1163         sibcall alloc instruction.
1164         (process_set): Handle sibcall alloc instruction.
1165
1166 2004-10-27  Geoffrey Keating  <geoffk@apple.com>
1167
1168         * config/rs6000/rs6000.c (rs6000_attribute_table): Add
1169         SUBTARGET_ATTRIBUTE_TABLE.
1170         * config/darwin.h (ASM_WEAKEN_DECL): Handle weak_import.
1171         (SUBTARGET_ATTRIBUTE_TABLE): Define.
1172         * config/darwin.c (darwin_handle_weak_import_attribute): New.
1173         (HAVE_DEAD_STRIP): Delete.
1174         (no_dead_strip): Don't test HAVE_DEAD_STRIP.
1175         * config/darwin-protos.h (darwin_handle_weak_import_attribute):
1176         Prototype.
1177
1178         * doc/tm.texi (USE_SELECT_SECTION_FOR_FUNCTIONS): Document.
1179
1180         * config/darwin.h (GTHREAD_USE_WEAK): Define.
1181
1182 2004-10-28  Ben Elliston  <bje@au.ibm.com>
1183
1184         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): New.
1185         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Likewise.
1186         * params.h (SRA_MAX_STRUCTURE_SIZE): New.
1187         (SRA_FIELD_STRUCTURE_RATIO): Likewise.
1188         * tree-sra.c: Include "params.h".
1189         (decide_block_copy): Use new parameters.
1190         * doc/invoke.texi (Optimize Options): Document new SRA pass
1191         parameters sra-max-structure-size and sra-field-structure-ratio.
1192
1193 2004-10-27  Nicolas Pitre <nico@cam.org>
1194
1195         * config/arm/ieee754-df.S (floatdidf): Fix regression with big values.
1196
1197 2004-10-27  Zdenek Dvorak  <dvorakz@suse.cz>
1198
1199         PR tree-optimization/18048
1200         * fold-const.c (try_move_mult_to_index): New function.
1201         (fold): Use try_move_mult_to_index.
1202         * tree-ssa-loop-ivopts.c (try_add_cand_for): Prefer common candidates.
1203         * tree-ssa-loop-niter.c (number_of_iterations_cond): Produce
1204         an all-ones unsigned constant without extra bits.
1205         * tree.c (build_low_bits_mask): New function.
1206         * tree.h (build_low_bits_mask): Declare.
1207
1208 2004-10-27  David Edelsohn  <edelsohn@gnu.org>
1209
1210         PR target/17956
1211         * config/rs6000/rs6000.md (maxsf3): Add !flag_trapping_math to
1212         final condition.
1213         (minsf3): Same.
1214         (maxdf3): Same.
1215         (mindf3): Same.
1216
1217 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
1218
1219         * tree-cfg.c (thread_jumps): Speed up by reordering the two
1220         conditions for entering basic blocks into worklist.
1221
1222 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
1223
1224         * tree-cfg.c (thread_jumps): Speed up by pretending to have
1225         ENTRY_BLOCK_PTR in worklist.
1226
1227 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
1228
1229         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
1230         <GOTO_EXPR>: Don't let an explicit GOTO_EXPR slip through.
1231
1232 2004-10-27  Daniel Berlin <dberlin@dberlin.org>
1233
1234         Fix PR tree-optimization/17133
1235
1236         * tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must
1237         def kill operand.
1238
1239         * tree-flow-inline.h: V_MUST_DEF_OP became V_MUST_DEF_RESULT.
1240         (get_v_must_def_result_ptr): Modify for new structure of
1241         v_must_defs array.
1242         (get_v_must_def_kill_ptr): New.
1243         (op_iter_next_use): Add support for the kill that occurs in V_MUST_DEFs.
1244         (op_iter_next_tree): Ditto. Also V_MAY_DEF_OP became V_MAY_DEF_RESULT.
1245         (op_iter_next_def): V_MAY_DEF_OP became V_MAY_DEF_RESULT.
1246         (op_iter_init): Initialize new mustu members.
1247         (op_iter_next_mustdef): New function.
1248         (op_iter_init_mustdef): Ditto.
1249
1250         * tree-flow.h (rewrite_def_def_chains): New function.
1251
1252         * tree-into-ssa.c (mark_def_sites): Handle mustdefkill operands.
1253         (ssa_mark_def_sites): Ditto.
1254         (rewrite_stmt): Ditto.
1255         (ssa_rewrite_stmt): Ditto.
1256         (rewrite_blocks): Factor out from rewrite_into_ssa.
1257         (mark_def_block_sites): Ditto.
1258         (rewrite_def_def_chains): New function, just rewrites def-def
1259         chains without phi node insertion.
1260
1261         * tree-pass.h (TODO_fix_def_def_chains): New todo flag.
1262
1263         * tree-optimize.c (execute_todo): Handle TODO_fix_def_def_chains.
1264
1265         * tree-pretty-print.c (dump_vops): Print out MUST_DEF's so that
1266         they include the rhs now.
1267
1268         * tree-ssa-ccp.c (visit_assignment): V_MUST_DEF_OP became
1269         V_MUST_DEF_RESULT.
1270
1271         * tree-ssa-dce.c (mark_operand_necessary): Add phionly argument.
1272         Update callers.
1273         (mark_really_necessary_kill_operand_phis): New function.
1274         (perform_tree_ssa_dce): Call it.
1275         (pass_dce): Add TODO_fix_def_def_chains.
1276         (pass_cd_dce): Ditto.
1277
1278         * tree-ssa-loop-im.c (determine_max_movement): Look at kills as
1279         well.
1280         (rewrite_mem_refs): Ditto.
1281
1282         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Look at kills
1283         as well.
1284
1285         * tree-ssa-operands.c (allocate_v_may_def_optype):
1286         v_may_def_operand_type_t became v_def_use_operand_type_t.
1287         (allocate_v_must_def_optype) Ditto.
1288         (finalize_ssa_v_must_defs): Update for new operand type, as well
1289         as setting the use portion as well.
1290         (copy_virtual_operands): Copy the kill operand as well.
1291         (create_ssa_artficial_load_stmt): V_MUST_DEF_OP became
1292         V_MUST_DEF_RESULT.
1293
1294         * tree-ssa-operands.h (v_may_def_operand_type): Renamed to
1295         v_def_use_operand_type.
1296         (v_must_def_optype_d): Use v_def_use_operand_type.
1297         (V_MUST_DEF_OP_*): Renamed to V_MUST_DEF_RESULT_*
1298         (V_MUST_DEF_KILL_*): New macros.
1299         (struct ssa_operand_iterator_d): Add num_v_mustu and v_mustu_i
1300         members.
1301         Rename existing must_i and num_v_must members to mustd_i and
1302         num_v_mustd.
1303         (SSA_OP_VMUSTDEFKILL): New flag.
1304         (SSA_OP_VIRTUAL_KILLS): New flag.
1305         (SSA_OP_ALL_OPERANDS): Add in SSA_OP_ALL_KILLS.
1306         (SSA_OP_ALL_KILLS): New flag.
1307         (FOR_EACH_SSA_MUSTDEF_OPERAND): New macro.
1308
1309         * tree-ssa.c (verify_ssa): Verify virtual kills as well.
1310
1311         * tree-vectorizer.c (vect_create_data_ref_ptr): V_MUST_DEF_OP
1312         became V_MUST_DEF_RESULT.
1313         (rename_variables_in_bb): Rename kill pointer as well.
1314
1315         * tree-dfa.c (compute_immediate_uses_for_stmt): Add kills into the
1316         immediate uses.
1317
1318 2004-10-27  Richard Sandiford  <rsandifo@redhat.com>
1319
1320         * dbxout.c (dbxout_source_line): Move declaration of begin_label to
1321         the block that needs it.
1322
1323 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
1324
1325         * dbxout.c (dbxout_finish_complex_stabs): Mark 'line' variable
1326         ATTRIBUTE_UNUSED.
1327
1328 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
1329
1330         * c-lex.c (cb_def_pragma): Clean up code for making location
1331         palatable to diagnostic.c.
1332
1333 2004-10-27  Steven Bosscher  <stevenb@suse.de>
1334
1335         PR tree-optimization/17757
1336         * tree-phinodes.c (remove_phi_arg_num): Don't remove PHIs
1337         without any PHI arguments left.  Make sure the argument that
1338         we're supposed to remove exists at all.
1339
1340 2004-10-27  Paul Brook  <paul@codesourcery.com>
1341
1342         * configure.ac: Don't test for [build] __cxa_atexit when building a
1343         cross compiler.
1344         * configure: Regenerate.
1345
1346 2004-10-27  Paul Brook  <paul@codeosurcery.com>
1347
1348         * configure.ac: Use build_exeext not host_exeext when lookin for
1349         target tools.
1350         * configure: Regenerate.
1351
1352 2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1353
1354         * config/s390/s390.md ("*subdf3_cc"): Replaced plus by minus.
1355
1356 2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
1357             patch originally created by Kelley Cook  <kcook@gcc.gnu.org>
1358
1359         PR middle-end/14684
1360         * opts.c (OPT_fprofile_generate): Default to -funroll-loops
1361         to match -fprofile-use.
1362
1363 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
1364
1365         * config/rs6000/rs6000.c: Fix a comment typo.
1366
1367 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
1368
1369         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Increment line
1370         counter.
1371
1372 2004-10-27  Andreas Schwab  <schwab@suse.de>
1373
1374         * varasm.c (default_stabs_asm_out_destructor): Mark symbol as
1375         unused.
1376         (default_stabs_asm_out_constructor): Likewise.
1377
1378 2004-10-26  Geoffrey Keating  <geoffk@apple.com>
1379
1380         * builtins.c (fold_builtin_unordered_cmp): Always bring both
1381         operands to the same type.
1382
1383 2004-10-26  James E Wilson  <wilson@specifixinc.com>
1384
1385         PR target/18010
1386         * emit-rtl.c (emit_copy_of_insn_after): Copy RTX_FRAME_RELATED_P.
1387
1388 2004-10-26  Zack Weinberg  <zack@codesourcery.com>
1389
1390         * dbxout.c: Include obstack.h.
1391         (ASM_STABS_OP): Take XCOFF_DEBUGGING_INFO into account in
1392         default definition.
1393         (ASM_STABD_OP, NO_DBX_MAIN_SOURCE_DIRECTORY, DBX_CONTIN_CHAR):
1394         Default-define here.
1395         (DBX_CONTIN_LENGTH): Move definition with others.
1396         (DBX_FINISH_STABS): New target macro.
1397         (current_sym_code, current_sym_value, current_sym_addr)
1398         (current_sym_nchars, CHARS, dbxout_continue)
1399         (print_int_cst_octal, print_octal, print_wide_int)
1400         (dbxout_prepare_symbol, dbxout_finish_symbol): Delete.
1401         (stabstr_ob, stabstr_last_contin_point): New variables.
1402         (NUMBER_FMT_LOOP): New improper macro.
1403         (dbxout_int, dbxout_stab_value_zero, dbxout_stab_value_label)
1404         (dbxout_stab_value_label_diff, dbxout_stab_value_internal_label)
1405         (dbxout_stab_value_internal_label_diff, dbxout_stabd)
1406         (dbxout_begin_stabn, dbxout_begin_stabn_sline)
1407         (dbxout_begin_simple_stabs, dbxout_begin_simple_stabs_desc)
1408         (dbxout_begin_complex_stabs, dbxout_finish_complex_stabs)
1409         (stabstr_C, stabstr_S, stabstr_I, stabstr_D, stabstr_U, stabstr_O)
1410         (stabstr_continue, DECL_ACCESSIBILITY_CHAR)
1411         New functions and/or proper function-like macros.
1412         (CONTIN): Use stabstr_continue, unconditionally.
1413         (get_lang_number): Define unconditionally, with ATTRIBUTE_UNUSED.
1414         (dbxout_init): Initialize stabstr_ob.  Check
1415         NO_DBX_MAIN_SOURCE_DIRECTORY.  Only write out the Ltext label
1416         if it was used.  Use the new interfaces.
1417         (dbxout_source_file): Remove file argument; always write to
1418         asm_out_file.  Use the new interfaces.
1419         (dbxout_type_method_1): Remove second argument which is always
1420         DECL_ASSEMBLER_NAME of the first argument.  Use the new interfaces.
1421         (dbxout_type_methods): Remove write-only variables.  Use the
1422         new interfaces.
1423         (dbxout_parms): Refactor to remove code duplicated in each of
1424         several successive if-else-if blocks.  Use the new interfaces.
1425         (dbxout_function_end, emit_bincl_stab, dbxout_end_source_file)
1426         (dbxout_source_line, dbxout_finish, dbxout_type_index)
1427         (dbxout_type_fields, dbxout_range_type, dbxout_type, dbxout_type_name)
1428         (dbxout_class_name_qualifiers, dbxout_symbol, dbxout_symbol_location)
1429         (dbxout_symbol_name, dbxout_reg_parms, dbxout_args)
1430         (dbx_output_lbrac, dbx_output_rbrac, dbxout_block):
1431         Use the new interfaces.
1432         * Makefile.in (dbxout.o): Update dependencies.
1433
1434         * defaults.h: Don't define ASM_STABD_OP.
1435         * output.h: Prototype new dbxout_* interfaces.
1436         * system.h: Poison DBX_OUTPUT_GCC_MARKER and DBX_FINISH_SYMBOL.
1437         * varasm.c: Don't define ASM_STABS_OP.
1438         (default_stabs_asm_out_constructor, default_stabs_asm_out_destructor):
1439         Use the new dbxout.c interfaces.  Call sorry if neither
1440         DBX_DEBUGGING_INFO nor XCOFF_DEBUGGING_INFO is defined.
1441
1442         * xcoffout.h: Don't define ASM_STABS_OP.
1443         (DBX_FINISH_SYMBOL): Rewrite and rename DBX_FINISH_STABS.
1444         (DBX_OUTPUT_MAIN_SOURCE_DIRECTORY, DBX_OUTPUT_GCC_MARKER): Delete.
1445         (NO_DBX_MAIN_SOURCE_DIRECTORY, NO_DBX_GCC_MARKER): Define.
1446         (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Change bare block to
1447         do { ... } while (0) idiom.
1448
1449         * config/alpha/alpha.c (num_source_filenames): Export.
1450         * config/alpha/alpha.h (num_source_filenames): Declare.
1451         (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
1452         (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
1453         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
1454         Always use .debugsym.  Update commentary.
1455         * config/mips/mips.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
1456         (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
1457         * config/rs6000/linux64.h (DBX_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC):
1458         Use new interfaces.
1459         * config/rs6000/rs6000.c: If TARGET_MACHO, include gstab.h.
1460         (macho_branch_islands): Use new interfaces.
1461
1462         * doc/tm.texi: Update.
1463
1464 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
1465
1466         * expr.c (emit_group_store): Do not treat floats as BLKmode.
1467         (emit_group_load): Same.
1468
1469 2004-10-26  Joseph S. Myers  <jsm@polyomino.org.uk>
1470
1471         * c-parse.in (datadef): Use pedwarn rather than error and warning
1472         for diagnostic in case of no declaration specifiers.
1473
1474 2004-10-26  Richard Sandiford  <rsandifo@redhat.com>
1475
1476         PR bootstrap/15747
1477         * doc/install.texi (mips-sgi-irix5): Document that /bin/sh has been
1478         reported to hang during bootstrap and that CONFIG_SHELL=/bin/ksh
1479         can be used to work around this.
1480
1481 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
1482
1483         * config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Adjust for e500
1484         doubles.
1485
1486 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
1487
1488         * stmt.c (expand_case): Update a comment.
1489
1490 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
1491
1492         * stmt.c (expand_case): Put an assertion that index_expr is
1493         never INTEGER_CST.  Don't special case for constant
1494         index_expr.
1495
1496 2004-10-26  Andrew Pinski  <pinskia@physics.uc.edu>
1497
1498         PR 18162
1499         * c-parse.in (designator): Finish with a semi-colon.
1500
1501 2004-10-26  Fariborz Jahanian <fjahanian@apple.com>
1502
1503         * config/rs6000/rs6000.md (andsi3_internal8): Set CR when splitting
1504         into rotlsi3.
1505
1506 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
1507
1508         * stmt.c (expand_case): Remove code to handle SWITCH_EXPR with
1509         a default case only.
1510
1511 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
1512
1513         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): Adjust for
1514         e500 doubles.
1515         (spe_build_register_parallel): New.
1516         (rs6000_spe_function_arg): Handle e500 doubles.
1517         (function_arg): Same.
1518         (spe_func_has_64bit_regs_p): Same.
1519         (rs6000_function_value): Same.
1520         (rs6000_libcall_value): Same.
1521         (legitimate_lo_sum_address_p): Return false for e500 doubles.
1522
1523         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): Adjust for e500
1524         doubles.
1525         (DATA_ALIGNMENT): Same.
1526         (CANNOT_CHANGE_MODE_CLASS): Same.
1527
1528 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
1529
1530         * expr.c (emit_group_load): Handle floats.
1531         (emit_group_store): Same.
1532
1533 2004-10-26  Nathan Sidwell  <nathan@codesourcery.com>
1534
1535         * c-lex.c (get_nonpadding_token): Remove.
1536         (c_lex_with_flags): Push timevar and eat padding here.  Improve
1537         stray token diagnostic.
1538         (lex_string): Replace logic with switch statement, eat padding
1539         token here.
1540
1541 2004-10-26  Geoffrey Keating  <geoffk@apple.com>
1542
1543         PR 18149
1544         * config/i386/darwin.h (ASM_SPEC): Undef it before defining.
1545
1546 2004-10-25  Geoffrey Keating  <geoffk@apple.com>
1547
1548         * config/darwin.h (LINK_SPEC): Default weak_reference_mismatches
1549         to 'non-weak'.
1550         (MAKE_DECL_ONE_ONLY): Set DECL_WEAK.
1551         (ASM_MAKE_LABEL_LINKONCE): Delete.
1552         (ASM_WEAKEN_DECL): New.
1553         (ASM_DECLARE_OBJECT_NAME): Look at DECL_WEAK not DECL_ONE_ONLY.
1554         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1555         (TEXT_SECTION_ASM_OP): Add a tab.
1556         (DATA_SECTION_ASM_OP): Likewise.
1557         (SECTION_FUNCTION): Add a tab.  Use fputs.  Don't call
1558         data_section on every section change.
1559         (EXTRA_SECTIONS): Add a bunch of new extra sections.
1560         (EXTRA_SECTION_FUNCTIONS): Likewise.
1561         (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
1562         (JCR_SECTION_NAME): Define.
1563         (TARGET_SECTION_TYPE_FLAGS): Don't define.
1564         * config/darwin.c (darwin_encode_section_info): A symbol is defined
1565         in this file if it is not weak.
1566         (textcoal_section): Delete.
1567         (datacoal_section): Delete.
1568         (darwin_make_decl_one_only): Delete.
1569         (machopic_select_section): Handle functions.
1570         (darwin_asm_named_section): Add a tab.
1571         (darwin_section_type_flags): Delete.
1572         (darwin_unique_section): Delete contents.
1573         (darwin_emit_unwind_label): Add a tab.  Make decls weak if
1574         DECL_WEAK is set.
1575         * config/darwin-protos.h (darwin_section_type_flags): Delete.
1576         (darwin_make_decl_one_only): Delete.
1577         (text_coal_section): New.
1578         (text_unlikely_section): New.
1579         (text_unlikely_coal_section): New.
1580         (const_coal_section): New.
1581         (data_coal_section): New.
1582         (const_data_coal_section): New.
1583         * varasm.c (function_section): Honour
1584         USE_SELECT_SECTION_FOR_FUNCTIONS.
1585         * dwarf2out.c (output_call_frame_info): Look at DECL_WEAK when
1586         TARGET_USES_WEAK_UNWIND_INFO is in effect.
1587         * dbxout.c (dbxout_source_file): Don't change sections while
1588         a function is being output.
1589
1590 2004-10-25  David Ayers  <d.ayers@inode.at>
1591
1592         * c-common.h: Remove RID_ID.
1593         * c-parse.in: Remove OBJECTNAME and references to RID_ID.
1594         (typespec_reserved_attr): Add rule for TYPENAME
1595         non_empty_protocolrefs.
1596         (yylexname): Remove special handling of RID_ID.
1597
1598 2004-10-25  James E Wilson  <wilson@specifixinc.com>
1599
1600         * doc/invoke.texi (-fcrossjumping): Not enabled at -O.
1601
1602 2004-10-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1603
1604         PR c/16667
1605         * c-parse.in (array_designator): New.
1606         (designator): Use it.
1607         (initelt): Only permit array_designator without '=', not ".foo".
1608
1609 2004-10-25  Kenneth Zadeck <zadeck@naturalbridge.com>
1610         * gcc/Makefile.in: removed ggc for cgraphunit.
1611         * gcc/cgraph.c.dump_cgraph_node: removed static var analysis.
1612         * gcc/cgraph.h: removed static var analysis data structures and calls.
1613         * gcc/cgraphunit.c:
1614         cgraph_mark_local_and_external_functions:changed name to
1615                 cgraph_mark_local_functions
1616         (print_order,convert_UIDs_in_bitmap,new_static_vars_info,
1617         cgraph_reset_static_var_maps,get_global_static_vars_info,
1618         get_global_statics_not_read,get_global_statics_not_written,searchc,
1619         cgraph_reduced_inorder,has_proper_scope_for_analysis,check_rhs_var,
1620         check_lhs_var,get_asm_expr_operands,process_call_for_static_vars,
1621         scan_for_static_refs,cgraph_characterize_statics_local,
1622         clear_static_vars_maps,cgraph_propagate_bits,cgraph_characterize_statics):
1623         removed.
1624         (cgraph_optimize,init_cgraph): removed calls to static vars analysis
1625         * gcc/tree-dfa.c find_referenced_vars: removed call to static vars
1626         analysis
1627         * gcc/tree-flow.h static_vars_info: removed
1628         * gcc/tree-ssa-operands.c (add_call_clobber_ops,add_call_read_ops):
1629         removed calls to static vars analysis.
1630         get_call_expr_operands: removed callee variable.
1631
1632 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
1633
1634         * cfg.c (unchecked_make_edge, redirect_edge_succ,
1635         redirect_edge_pred): Use VEC_safe_push instead of
1636         VEC_safe_insert.
1637         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
1638
1639 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
1640
1641         * cfgloopmanip.c (loopify): Take two more arguments true_edge
1642         and false_edge.
1643         * cfgloop.h: Adjust the corresponding prototype.
1644         * loop-unswitch.c (unswitch_loop): Adjust a call to loopify.
1645         * tree-ssa-loop-manip.c (tree_ssa_loop_version): Likewise.
1646
1647 2004-10-25  Jakub Jelinek  <jakub@redhat.com>
1648
1649         * dwarf2out.c (rtl_for_decl_location): Avoid segfault if
1650         DECL_INCOMING_RTL is NULL.
1651
1652 2004-10-25  Steven Bosscher  <stevenb@suse.de>
1653
1654         * timevar.def (TV_FIND_REFERENCED_VARS): New.
1655         * tree-dfa.c (pass_referenced_var): Use it.
1656
1657 2004-10-25  Roger Sayle  <roger@eyesopen.com>
1658             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1659
1660         * cse.c: Change encoding of quantity numbers to avoid undefined
1661         pointer arithmetic on qty_table.
1662         (REGNO_QTY_VALID_P): A quantity is now valid if it isn't negative.
1663         (get_cse_reg_info): Initialize reg_qty to a unique negative value.
1664         (new_basic_block): Assign "real" quantity numbers from zero.
1665         (delete_reg_equiv): Do nothing if quantity is invalid.  Reset the
1666         REG_QTY to its unique negative value.
1667         (merge_equiv_classes): Calculate need_rehash if quantity is valid.
1668         (cse_main): Don't include max_reg when determining max_qty.
1669         (cse_basic_block): Avoid subtracting a large offset from qty_table,
1670         which causes undefined C99 behaviour.  Only allocate needed memory.
1671
1672 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
1673
1674         * stmt.c (expand_case): Remove an obsolete comment.
1675
1676 2004-10-25  Andrew Pinski  <pinskia@physics.uc.edu>
1677
1678         PR middle-end/17407
1679         * c-decl.c (grokdeclarator) <case cdk_array>: Remove the call
1680         layout_type as it is already done by build_array_type.
1681         * tree.c (build_array_type): Layout the type even
1682
1683 2004-10-25  Alexandre Oliva  <aoliva@redhat.com>
1684
1685         * config/frv/linux.h (TARGET_C99_FUNCTIONS): Define to 0.
1686
1687 2004-10-25  Alexandre Oliva  <aoliva@redhat.com>
1688
1689         * config/frv/frv.md (movdi, movdf): Handle wide-constant splits
1690         with wider-than-32-bit HOST_WIDE_INTs.
1691
1692 2004-10-25  David Billinghurst <David.Billinghurst@riotinto.com>
1693
1694         * config/mips/mips.c(mips_output_filename): Remove unused
1695         array ltext_label_name
1696
1697 2004-10-24  Geoffrey Keating  <geoffk@geoffk.org>
1698
1699         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Define.
1700
1701 2004-10-25  Ben Elliston  <bje@au.ibm.com>
1702
1703         * cfgcleanup.c (outgoing_edges_match): Fix typo in dump output.
1704
1705 2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
1706
1707         * predict.c (predict_loops): Call scev_finalize instead of
1708         scev_reset.
1709
1710 2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>
1711
1712         * config/dbxcoff.h, config/dbxelf.h, config/libgloss.h,
1713         config/openbsd.h, config/mips/r3900.h, config/pdp11/pdp11.md,
1714         config/sh/ushmedia.h, config/sparc/elf.h,
1715         config/sparc/sp64-elf.h: Update copyright.
1716
1717 2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>
1718
1719         * stmt.c (expand_case): Handle the default label outside of
1720         the for loop.  Remove code to handle a missing default label.
1721
1722 2004-10-23  Kazu Hirata  <kazu@cs.umass.edu>
1723
1724         * dbxout.c (dbxout_function_decl): Don't use
1725         DBX_OUTPUT_FUNCTION_END.
1726         * system.h: Poison DBX_OUTPUT_FUNCTION_END.
1727         * doc/tm.texi (DBX_OUTPUT_FUNCTION_END): Remove.
1728
1729 2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
1730
1731         PR middle-end/17967
1732         * tree-cfg.c (remove_usless_stmts_cond):  Don't Fold statement.
1733
1734 2004-10-23  Daniel Berlin  <dberlin@dberlin.org>
1735
1736         * tree-ssa-dom.c (record_equality): Use loop depth to determine
1737         which way to record the equality as well.
1738         (loop_depth_of_name): New function.
1739
1740 2004-10-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
1741
1742         PR middle-end/17793
1743         * gimplify.c (gimplify_addr_expr) <VIEW_CONVERT_EXPR>: Look
1744         through the operand if it is a useless type conversion.
1745
1746 2004-10-23  Ben Elliston  <bje@au.ibm.com>
1747
1748         * cfg.c (remove_edge): Use VEC_unordered_remove.
1749         (redirect_edge_succ): Likewise.
1750         (redirect_edge_pred): Likewise.
1751         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
1752
1753 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1754
1755         * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Don't access PTR
1756         beyond its end.
1757
1758 2004-10-22  Eric Christopher  <echristo@redhat.com>
1759
1760         * config/rs6000/rs6000.c (setup_incoming_varargs): Align DFmode
1761         saves.
1762
1763 2004-10-22  Aldy Hernandez  <aldyh@redhat.com>
1764
1765         * config/rs6000/spe.md (spe_extendsfdf2): New.
1766         (movdf_e500_double): New.
1767         (spe_truncdfsf2): New.
1768         (spe_absdf2): New.
1769         (spe_nabsdf2): New.
1770         (spe_negdf2): New.
1771         (sub_adddf3): New.
1772         (spe_subdf3): New.
1773         (spe_muldf3): New.
1774         (spe_floatsidf2): New.
1775         (spe_floatunssidf2): New.
1776         (fix_truncdfsi2): New.
1777         (spe_fixuns_truncdfsi2): New.
1778
1779         * config/rs6000/rs6000.md (truncdfsf2): Change to expander.
1780         (fpr_truncdfsf2): New.
1781         (negdf2): Change to expander.
1782         (fpr_negdf2): New.
1783         (fpr_nabsdf2): Name pattern.
1784         (adddf3): Change to expander.
1785         (fpr_adddf3): Nem.
1786         (subdf3): Change to expander.
1787         (fpr_subdf3): New.
1788         (muldf3): Change to expander.
1789         (fpr_muldf3): New.
1790         (divdf3): Change to expander.
1791         (fpr_divdf3): New.
1792         (movdf_softfloat32): Change !TARGET_FPRS to TARGET_E500_SINGLE.
1793         (cmpdf): Allow for TARGET_E500_DOUBLE.
1794
1795 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1796
1797         * c-semantics.c (re_push_stmt_list): Remove.
1798         * c-common.h: Remove the corresponding prototype.
1799
1800 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1801
1802         * stmt.c (asm_op_is_mem_input): Remove.
1803         * tree.h: Remove the corresponding prototype.
1804
1805 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1806
1807         * tree-gimple.c (is_gimple_constructor_elt): Remove.
1808         * tree-gimple.h: Remove the corresponding prototype.
1809
1810 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1811
1812         * varasm.c (get_pool_mode_for_function, get_pool_offset):
1813         Remove.
1814         * rtl.h: Remove the corresponding prototypes.
1815
1816 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1817
1818         * tree-cfg.c (thread_jumps_from_bb): Speed up by extracting
1819         edge information when we commit ourselves to threading a
1820         particular jump.
1821
1822 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1823
1824         * tree-cfg.c (thread_jumps): Speed up by putting basic blocks
1825         into worklist instead of their indexes.
1826
1827 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1828
1829         * alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
1830         final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
1831         lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
1832         pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
1833         tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
1834         tree-scalar-evolution.c, tree-ssa-dom.c,
1835         tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1836         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
1837         tree-vectorizer.c, vec.h: Fix comment formatting.
1838
1839 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1840
1841         * dwarf.h, gthr-dce.h, gthr-single.h, gthr-solaris.h, gthr.h,
1842         libfuncs.h, libgcc2.h, stab.def, tsystem.h: Update copyright.
1843
1844 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
1845
1846         * config/ptx4.h, config/mcore/mcore-pe.h,
1847         config/rs6000/eabi.h, config/vax/elf.h: Update copyright.
1848
1849 2004-10-22  Peter Barada <peter@the-baradas.com>
1850
1851         * config/m68k/m68k.h (HARD_REGNO_RENAME_OK): New macro.
1852         * config/m68k/m68k.c (m68k_hard regno_rename_ok): Disallow
1853         renaming of non-live registers in interrupt functions.
1854         * config/m68k/m68k-protos.h (m68k_hard_regno_rename_ok): Add prototype.
1855
1856 2004-10-22  Zdenek Dvorak  <dvorakz@suse.cz>
1857
1858         * tree-ssa-loop-niter.c (inverse): Count in HOST_WIDE_INT if possible.
1859         Use integer for loop counter.
1860         (num_ending_zeros): New function.
1861         (number_of_iterations_cond): Use num_ending_zeros.
1862
1863 2004-10-21  Aldy Hernandez  <aldyh@redhat.com>
1864
1865         * config.gcc: Add support for --enable-e500_double.
1866
1867         * config/rs6000/e500-double.h: New file.
1868
1869         * config/rs6000/rs6000.h: Define TARGET_E500_SINGLE and
1870         TARGET_E500_DOUBLE.
1871
1872         * config/rs6000/eabi.h: Define TARGET_E500_SINGLE and
1873         TARGET_E500_DOUBLE.
1874
1875         * config/rs6000/linuxspe.h: Same.
1876
1877         * doc/invoke.texi (Option Summary): Document new options for
1878         mfloat-gprs.
1879         (RS/6000 and PowerPC Options): Same.
1880
1881         * config/rs6000/rs6000.c (rs6000_parse_float_gprs_option): New
1882         function.
1883         (rs6000_override_options): Use it.  Use
1884         SUB3TARGET_OVERRIDE_OPTIONS.
1885         Add 8548 to processor_target_table.
1886         (rs6000_legitimate_address): Handle e500 doubles.
1887         (rs6000_legitimize_address): Same.
1888         (rs6000_legitimize_reload_address): Same.
1889         (rs6000_hard_regno_nregs): Same.
1890         (spe_func_has_64bit_regs_p): Same.
1891         (emit_frame_save): Same.
1892         (gen_frame_mem_offset): Same.
1893         (rs6000_dwarf_register_span): Same.
1894         (rs6000_generate_compare): Same.
1895         (easy_fp_constant): Same.
1896         (legitimate_offset_address_p): Same.
1897
1898         * config/rs6000/spe.md: (cmdfeq_gpr): New.
1899         (tstdfeq_gpr): New.
1900         (cmpdfgt_gpr): New.
1901         (tstdfgt_gpr): New.
1902         (tstdfgt_gpr): New.
1903         (cmpdflt_gpr): New.
1904         (tstdflt_gpr): New.
1905         Add new constants.
1906
1907 2004-10-21  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
1908
1909         * config/arc/lib1funcs.asm (___umulsidi3): Fix typo.
1910
1911 2004-10-21  Zack Weinberg  <zack@codesourcery.com>
1912
1913         * dbxout.c: Remove unnecessary #undefs.
1914         (GDB_INV_REF_REGPARM_STABS_LETTER, DBX_MEMPARM_STABS_LETTER)
1915         (FILE_NAME_JOINER, STABS_GCC_MARKER): Remove; fold sole
1916         definition into use sites.
1917         (cwd): Make local to dbxout_init.
1918         (dbxout_init): Restructure cwd-using logic for clarity.  Use
1919         IS_DIR_SEPARATOR.
1920         * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Definition of
1921         STABS_GCC_MARKER folded in here.
1922         * system.h: Poison now-unused macros.
1923         * doc/tm.texi: Remove documentation of now-unused macros.
1924
1925 2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1926
1927         PR c/17538
1928         * c-opts.c (push_command_line_include): Use the current file
1929         name instead of the main one.
1930
1931 2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1932
1933         PR objc/17923
1934         * tree.c (staticp): A CONST_DECL has static storage if either
1935         TREE_STATIC or DECL_EXTERNAL is set.
1936         * c-decl.c (pushdecl_top_level): Accept CONST_DECLs which can
1937         have null names.
1938
1939 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1940
1941         * expr.c (store_expr): Remove dont_store_target.
1942
1943 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1944
1945         * tree-cfg.c (thread_jumps): Speed up by using a worklist.
1946
1947 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1948
1949         * tree-cfg.c (thread_jumps): Move a part of it to ...
1950         (thread_jumps_from_bb): ... here.
1951
1952 2004-10-21  David Edelsohn  <edelsohn@gnu.org>
1953
1954         * dbxout.c (DBX_FINISH_SYMBOL): Add asm_out_file argument.
1955         * xcoffout.h (DBX_FINISH_SYMBOL): Change asmfile to (ASMFILE).
1956
1957 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1958
1959         * expr.c (store_expr): Clean up by renaming want_value to
1960         call_param_p.
1961
1962 2004-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1963
1964         * config/sh/linux-unwind.h (sh_fallback_frame_state): Don't
1965         fixup pc here.
1966
1967 2004-10-21  Aldy Hernandez  <aldyh@redhat.com>
1968
1969         PR 18004.
1970         * expmed.c (store_bit_field): Pass original 'value' before
1971         recursing.
1972
1973 2004-10-21  Nicolas Pitre <nico@cam.org>
1974
1975         * config/arm/ieee754-sf.S: Large speed improvements. Fix NAN handling.
1976         * config/arm/ieee754-df.S: Ditto.
1977
1978 2004-10-20  Zack Weinberg  <zack@codesourcery.com>
1979
1980         * dbxout.c (asmfile): Delete.  All uses changed to asm_out_file.
1981         (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_LINES_FUNCTION_RELATIVE):
1982         Default to 0.
1983         (dbxout_source_line): Use DBX_OUTPUT_SOURCE_LINE when defined.
1984         When it is not, but DBX_LINES_FUNCTION_RELATIVE is true, emit
1985         an internal label and an N_SLINE .stabn whose value is the
1986         difference between that label and the function entry label.
1987         (dbxout_finish): If DBX_OUTPUT_MAIN_SOURCE_FILE_END is not defined,
1988         but DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END is, emit a
1989         label and an N_SO stab with an empty string referring to it.
1990         (dbx_output_lbrac, dbx_output_rbrac): Use if statement instead
1991         of #ifdef directive to test DBX_BLOCKS_FUNCTION_RELATIVE.
1992         (dbxout_type_methods, dbxout_symbol): Remove #if 0 block.
1993         (dbxout_prepare_symbol): Remove #ifdef WINNING_GDB block, this
1994         macro is never defined.
1995         * sdbout.c (sdbout_source_line_counter): Delete.
1996         (PUT_SDB_SRC_FILE): Delete.  Uses replaced with sole definition.
1997         (sdbout_source_line): Use SDB_OUTPUT_SOURCE_LINE, which takes
1998         only two arguments.
1999         * xcoffout.c (ASM_OUTPUT_SOURCE_LINE): Rename ASM_OUTPUT_LINE.
2000
2001         * config/dbxcoff.h, config/dbxelf.h: Remove unncessary #undefs.
2002         * config/c4x/c4x.h, config/pa/pa.h: Remove unnecessary macro
2003         definitions (identical to default).
2004         * config/darwin.h, config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
2005         * config/h8300/coff.h, config/pa/som.h, config/sh/elf.h:
2006         Define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END, not
2007         DBX_OUTPUT_MAIN_SOURCE_FILE_END.
2008         * config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
2009         * config/mcore/mcore-pe.h, config/pa/som.h, config/sh/elf.h:
2010         Define DBX_LINES_FUNCTION_RELATIVE, not ASM_OUTPUT_SOURCE_LINE.
2011         * config/alpha/alpha-protos.h: Don't prototype alpha_output_lineno.
2012         * config/alpha/alpha.c: Move declaration of num_source_filenames up.
2013         (alpha_start_function): Use SDB_OUTPUT_SOURCE_LINE.
2014         (sym_lineno): Delete.
2015         (alpha_output_filename): Do not emit N_SOL stabs here.  Remove
2016         now-unused variable.
2017         (alpha_output_lineno): Delete.
2018         * config/mips/mips-protos.h: Don't prototype mips_output_lineno.
2019         * config/mips/mips.c (mips_output_filename): Don't use
2020         ASM_OUTPUT_FILENAME. Don't emit N_SOL stabs here.
2021         (mips_output_lineno): Delete.
2022         (mips_output_function_prologue: Use SDB_OUTPUT_SOURCE_LINE.
2023         * config/alpha/alpha.h: Define DBX_OUTPUT_SOURCE_LINE and
2024         SDB_OUTPUT_SOURCE_LINE, not ASM_OUTPUT_SOURCE_LINE.
2025         * config/mips/mips.h: Likewise.  Don't define ASM_OUTPUT_FILENAME.
2026         * config/mips/sdb.h: Use SDB_OUTPUT_SOURCE_LINE.
2027         * config/avr/avr.h: Don't define ASM_OUTPUT_SOURCE_LINE.
2028         * config/mmix/mmix.h: Likewise.
2029         * config/mmix/mmix.c (mmix_asm_output_source_line): Delete.
2030         * config/mmix/mmix-protos.h: Don't prototype it.
2031         * config/alpha/unicosmk.h: Also #undef PREFERRED_DEBUGGING_TYPE;
2032         no need to #undef ASM_OUTPUT_SOURCE_LINE.
2033         * config/arm/aout.h: Remove RISCiX-specific definition of
2034         DBX_OUTPUT_MAIN_SOURCE_FILENAME.
2035         * config/m32r/m32r.h: Define DBX_OUTPUT_SOURCE_LINE, not
2036         ASM_OUTPUT_SOURCE_LINE.
2037         * config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Rename to
2038         DBX_OUTPUT_SOURCE_LINE.  Don't use current_function_func_begin_label.
2039         * config/vax/elf.h: No need to define DBX_OUTPUT_FUNCTION_END.
2040
2041         * doc/tm.texi: Update.
2042
2043 2004-10-20  Richard Henderson  <rth@redhat.com>
2044
2045         * tree-sra.c (instantiate_element): Copy DECL_IGNORED_P also.
2046
2047 2004-10-20  Kelley Cook  <kcook@gcc.gnu.org>
2048
2049         * configure.ac: Revert my previous patch.
2050         * configure: Regenerate.
2051
2052 2004-10-20  Ben Elliston  <bje@au.ibm.com>
2053
2054         * config/rs6000/rs6000.c
2055         (rs6000_va_start): Use build_va_arg_indirect_ref.
2056         (rs6000_gimplify_va_arg): Likewise.
2057
2058 2004-10-20  Bryce McKinlay  <mckinlay@redhat.com>
2059
2060         PR java/15575
2061         * configure.ac: Declare AM_LANGINFO_CODESET.
2062         * aclocal.m4: Define AM_LANGINFO_CODESET.
2063         * configure, config.in: Rebuilt.
2064
2065 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
2066
2067         * expr.c (store_expr): Remove code that is run when
2068         want_value & 1 is nonzero.
2069
2070 2004-10-20  Mark Mitchell  <mark@codesourcery.com>
2071
2072         * gthr-posix.h (__gthread_active_p): Use __extension__ around cast
2073         from function pointer to void *.
2074
2075 2004-10-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2076
2077         PR target/18032
2078         * config/sh/sh.c (sh_expand_epilogue): Emit a blockage insn before
2079         the frame pointer adjustment when exception handling is enabled.
2080
2081 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
2082
2083         * stor-layout.c: Fix a comment typo.
2084
2085 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
2086
2087         * expr.c (store_field): Remove two arguments value_mode and
2088         unsignedp.
2089         (expand_assignment, store_constructor_field,
2090         expand_expr_real_1): Adjust calls to store_field.
2091
2092 2004-10-18  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>
2093
2094         * config/arc/lib1funcs.asm (___umulsidi3): Correct usage of flags.
2095
2096         PR target/17317
2097         * config/arc/arc.h (REGNO_OK_FOR_BASE_P,REGNO_OK_FOR_INDEX_P,
2098         REG_OK_FOR_BASE, REG_OK_FOR_INDEX): Consider blink(r31) as a valid
2099         base and index register for loads.
2100
2101         * config/arc/t-arc: Fix multilib handling.
2102
2103 2004-10-20  Hans-Peter Nilsson  <hp@bitrange.com>
2104
2105         * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
2106         don't inspect BLOCK_FOR_INSN for barriers.
2107         * emit-rtl.c (emit_barrier_before): Revert last change.
2108         (emit_barrier_after, emit_barrier): Ditto.
2109
2110         * doc/extend.texi (Extended Asm): Warn and provide example
2111         solution for using a call-clobbered asm register.
2112         (Local Reg Vars): Similar.  Cross-reference example.
2113
2114 2004-10-19  Andrew Pinski  <pinskia@physics.uc.edu>
2115
2116         * tree-cfg.c (group_case_labels): Look at the second to last
2117         case statement for combing with the default case.
2118
2119 2004-10-19  Richard Hendeson  <rth@redhat.com>
2120
2121         PR 17962
2122         * stor-layout.c (layout_type): Set TYPE_ALIGN for vectors.
2123
2124 2004-10-19  Richard Hendeson  <rth@redhat.com>
2125
2126         * builtins.c (expand_builtin_memmove): If fold_builtin_memmove
2127         succeeds, only expand the result.
2128
2129 2004-10-19  Richard Hendeson  <rth@redhat.com>
2130
2131         PR middle-end/17885
2132         * tree.c (recompute_tree_invarant_for_addr_expr): Always poll address
2133         of INDIRECT_REF.
2134
2135 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
2136
2137         * tree-cfg.c (thread_jumps): Use a do-while loop instead of a
2138         loop with goto.
2139
2140 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
2141
2142         * expr.c (expand_assignment): Remove the last argument.
2143         Change the return type to void.
2144         * expr.h: Update the prototype of expand_assignment.
2145         * function.c (assign_parm_setup_reg): Update a call to
2146         expand_assignment.
2147         * stmt.c (expand_asm_expr): Likewise.
2148
2149 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
2150
2151         * expr.c (expand_expr_real_1) <MODIFY_EXPR>: Remove
2152         unnecessary assignments to temp.  Return const0_rtx.
2153
2154 2004-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2155
2156         * config/sh/sh.c (sh5_schedule_saves): Fix typo.
2157
2158 2004-10-18  Kelley Cook  <kcook@gcc.gnu.org>
2159
2160         * configure.ac (powerpc-*-darwin*): Require assembler to support
2161         .machine directive.
2162         * configure: Regenerate.
2163
2164 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
2165
2166         * reload1.c (ior_hard_reg_set): Remove.
2167         (finish_spills): Use IOR_HARD_REG_SET instead of
2168         ior_hard_reg_set.
2169
2170 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
2171
2172         * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Speed up by shifting
2173         the currently visited word to right.
2174
2175 2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
2176
2177         PR middle-end/18045
2178         * expmed.c (expand_smod_pow2): Handle modes whose size
2179         is greater than that of HOST_WIDE_INT.
2180
2181 2004-10-18  Ziemowit Laski  <zlaski@apple.com>
2182
2183         * c-parse.in (reservedwords): Add OBJC_TYPE_QUAL as alternative.
2184
2185 2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
2186             Roger Sayle  <roger@eyesopen.com>
2187
2188         PR middle-end/17813
2189         * dojump.c (discard_pending_stack_adjust): New function.
2190         (clear_pending_stack_adjust): Call it.
2191         * expr.h (discard_pending_stack_adjust): Declare it.
2192         * explow.c (emit_stack_save): Emit pending stack adjustments
2193         before saving the stack pointer.
2194         (emit_stack_restore): Discard pending stack adjustments before
2195         restoring the stack pointer.
2196
2197 2004-10-18  Richard Henderson  <rth@redhat.com>
2198
2199         * c-common.c (handle_mode_attribute): Allow scalar->vector
2200         type changes yet.
2201
2202 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
2203
2204         * expr.c (expand_expr_real_1) [MODIFY_EXPR]: Don't request a
2205         value to expand_assignment.
2206
2207 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
2208
2209         * tree-cfg.c (cleanup_tree_cfg): Don't iterate on
2210         thread_jumps.
2211         (thread_jumps): Iterate until no new forwarder block arises.
2212
2213 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
2214
2215         * tree-cfg.c (tree_forwarder_block_p): Don't set forwardable.
2216         (thread_jumps): Use forwardable as cache of
2217         tree_forwarder_block_p throughout the function.
2218
2219 2004-10-18  Andreas Krebbel  <krebbel1@de.ibm.com>
2220
2221         * cfg.c (dump_flow_info): Remove redundant dump of reg life info.
2222
2223 2004-10-18  Andrew Pinski  <pinskia@physics.uc.edu>
2224
2225         PR middle-end/15014
2226         PR middle-end/16973
2227         * tree-cfg.c (remove_bb): If we have a label expression in the
2228         basic block and the label we have taken the address, move the
2229         label expression to the basic block which is previous in the
2230         linked list.
2231         (tree_verify_flow_info): Fix printing out the label name of the
2232         problematic label expression.
2233
2234 2004-10-18  Pat Haugen  <pthaugen@us.ibm.com>
2235
2236         PR rtl-optimization/18002
2237         * simplify-rtx.c (mode_signbit_p): Externalize function...
2238         * rtl.h (mode_signbit_p): ... to here.
2239         * combine.c (simplify_shift_const): Recognize PLUS signbit as
2240         canonical form of XOR signbit and move to outer op.
2241
2242 2004-10-18  Diego Novillo  <dnovillo@redhat.com>
2243
2244         * tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
2245         Update all callers.
2246         * tree-ssa.c (replace_immediate_uses): Call bsi_for_stmt.
2247         Don't call fold_stmt more than once, use bsi_replace.
2248
2249 2004-10-18  Diego Novillo  <dnovillo@redhat.com>
2250
2251         PR tree-optimization/17656
2252         * tree-ssa.c (replace_immediate_uses): When replacing a
2253         constant, if the call to fold_stmt produced a different
2254         statement, get an appropriate statement pointer by scanning
2255         STMT's basic block.
2256
2257 2004-10-18  Richard Henderson  <rth@redhat.com>
2258
2259         * pointer-set.c (hash1): Don't use libm functions in fallback case.
2260
2261 2004-10-18  H.J. Lu  <hongjiu.lu@intel.com>
2262
2263         PR bootstrap/17684
2264         * Makefile.in (clean): Remove libgcc_s$(SHLIB_EXT).1.stage?.
2265         (stage1-start): Remove and copy libunwind.a and
2266         libunwind*$(SHLIB_EXT) instead of libunwind*.
2267         (stage2-start): Likewise.
2268         (stage3-start): Likewise.
2269         (stage4-start): Likewise.
2270         (stageprofile-start): Likewise.
2271         (stagefeedback-start): Likewise.
2272
2273         * config/alpha/t-osf4 (SHLIB_LINK): Use a temporary file for
2274         the shared library to be created and don't remove the existing
2275         shared library.
2276         * config/arm/t-netbsd (SHLIB_LINK): Likewise.
2277         * config/i386/t-nwld (SHLIB_LINK): Likewise.
2278         * config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
2279         * config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
2280         * config/sh/t-linux (SHLIB_LINK): Likewise.
2281         * config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
2282         * config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
2283         * config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
2284         * config/t-slibgcc-sld (SHLIB_LINK): Likewise.
2285
2286         * mklibgcc.in (libgcc-stage-start): Also move "*${objext}s"
2287         files.
2288
2289 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
2290
2291         * basic-block.h (reg_set_iterator): New.
2292         (EXECUTE_IF_SET_IN_REG_SET): Make it iterator style.
2293         (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
2294         (EXECUTE_IF_AND_IN_REG_SET): Likewise.
2295         * caller-save.c (save_call_clobbered_regs): Adjust to the new
2296         style.
2297         * cfgcleanup.c (thread_jump): Likewise.
2298         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
2299         * conflict.c (conflict_graph_compute): Likewise.
2300         * flow.c (verify_local_live_at_start, update_life_info,
2301         initialize_uninitialized_subregs, propagate_one_insn,
2302         init_propagate_block_info, free_propagate_block_info,
2303         propagate_block, dump_regset): Likewise.
2304         * global.c (global_conflicts): Likewise.
2305         * graph.c (start_bb): Likewise.
2306         * local-alloc.c (update_equiv_regs): Likewise.
2307         * loop.c (load_mems): Likewise.
2308         * reload1.c (compute_use_by_pseudos, order_regs_for_reload,
2309         find_reg, finish_spills): Likewise.
2310         * resource.c (mark_target_live_regs): Likewise.
2311         * sched-deps.c (sched_analyze_insn): Likewise.
2312         * sched-rgn.c (sched-rgn.c): Likewise.
2313         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
2314
2315 2004-10-18  Jakub Jelinek  <jakub@redhat.com>
2316
2317         * config/i386/i386.md (addqi_1_slp): Test for incdec_operand
2318         operand 1 instead of 2
2319
2320 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
2321
2322         * loop-unroll.c: Fix comment typos.
2323
2324 2004-10-18  Revital Eres  <eres@il.ibm.com>
2325
2326         * Makefile.in (loop-unroll.o): Add VARRAY_H dependency.
2327         * loop-unroll.c: Include varray.h.
2328         (struct var_to_expand, struct opt_info): Rename split_ivs_info to
2329         opt_info and expand it to support variable expansion.
2330         (analyze_insns_in_loop): Rename analyze_ivs_to_split and
2331         expand it to support variable expansion.
2332         (pt_info_start_duplication): Rename si_info_start_duplication.
2333         (apply_opt_in_copies): Rename split_ivs_in_copies and add support
2334         to the variable expansion optimization.
2335         (free_opt_info): Rename free_si_info.
2336         (analyze_insn_to_expand_var, referenced_in_one_insn_in_loop_p,
2337         expand_var_during_unrolling, insert_var_expansion_initialization,
2338         combine_var_copies_in_loop_exit, release_var_copies,
2339         get_expansion): New functions.
2340         (peel_loop_completely, unroll_loop_constant_iterations,
2341         unroll_loop_runtime_iterations, peel_loop_simple,
2342         unroll_loop_stupid): Change uses of struct si_info
2343         to struct opt_info
2344         and add uses of fvariable-expansion-in-unroller flag.
2345         * params.def: Add parameter to restrict the number of expansions.
2346         * params.h: (MAX_VARIABLE_EXPANSIONS): New define to restrict
2347         the number of expansions.
2348         * common.opt: (fvariable-expansion-in-unroller): New flag.
2349         * doc/invoke.texi: (fvariable-expansion-in-unroller): Document.
2350
2351 2004-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
2352
2353         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2354         __GXX_MERGED_TYPEINFO_NAMES to 0.
2355
2356 2004-10-17  Hans-Peter Nilsson  <hp@bitrange.com>
2357
2358         * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
2359         handle barriers in a bb by checking that it points to a NULL bb.
2360         * emit-rtl.c (emit_barrier_before): Set BLOCK_FOR_INSN to NULL.
2361         (emit_barrier_after, emit_barrier): Ditto.
2362
2363 2004-10-18  Joseph S. Myers  <jsm@polyomino.org.uk>
2364
2365         * doc/extend.texi (Attribute Syntax): Clarify details of
2366         attributes on parameters.
2367
2368 2004-10-17  Zdenek Dvorak  <dvorakz@suse.cz>
2369
2370         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of
2371         loop.
2372
2373 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
2374
2375         Revert:
2376         2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
2377
2378         * c-typeck.c (default_function_array_conversion): Always create
2379         &a[0] for array types.
2380         (build_unary_op): Do not fold &a[x] into a + x.
2381
2382 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
2383
2384         PR middle-end/17925
2385         * cfgexpand.c (expand_gimple_cond_expr): Emit line notes for next basic
2386         block if there is a goto with a locus.
2387
2388 2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>
2389
2390         * config/elfos.h, config/gofast.h, config/interix.h,
2391         config/netbsd.h, config/svr3.h, config/vxworks.h,
2392         config/alpha/alpha-modes.def, config/alpha/alpha-protos.h,
2393         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
2394         config/alpha/netbsd.h, config/arm/arm-modes.def,
2395         config/arm/unknown-elf.h, config/c4x/c4x-modes.def,
2396         config/cris/aout.h, config/frv/frv-modes.def,
2397         config/i386/beos-elf.h, config/i386/gas.h,
2398         config/i386/i386-coff.h, config/i386/i386-modes.def,
2399         config/i386/linux.h, config/i386/linux64.h,
2400         config/i386/mingw32.h, config/i386/netbsd-elf.h,
2401         config/i386/netbsd64.h, config/i386/sco5.h,
2402         config/i386/sol2.h, config/i386/uwin.h, config/i860/i860.md,
2403         config/ia64/ia64-modes.def, config/ia64/itanium1.md,
2404         config/ia64/itanium2.md, config/m68k/m68k-modes.def,
2405         config/mips/mips-modes.def, config/mips/sdb.h,
2406         config/mips/vr.h, config/mips/vxworks.h,
2407         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
2408         config/pa/pa32-linux.h, config/rs6000/40x.md,
2409         config/rs6000/7450.md, config/rs6000/8540.md,
2410         config/rs6000/linuxspe.h, config/rs6000/power4.md,
2411         config/rs6000/rs6000-modes.def, config/rs6000/rtems.h,
2412         config/rs6000/spe.h, config/s390/2064.md, config/s390/linux.h,
2413         config/s390/s390-modes.def, config/sh/elf.h,
2414         config/sh/sh-modes.def, config/sh/sh64.h,
2415         config/sparc/ultra1_2.md, config/sparc/ultra3.md,
2416         config/stormy16/stormy16.md, config/v850/v850-protos.h,
2417         config/vax/vax.md: Update copyright.
2418
2419 2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>
2420
2421         * expr.c (expand_expr_real_1): Remove an obsolete comment.
2422
2423 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
2424
2425         * c-typeck.c (default_function_array_conversion): Always create
2426         &a[0] for array types.
2427         (build_unary_op): Do not fold &a[x] into a + x.
2428
2429 2004-10-17  Jakub Jelinek  <jakub@redhat.com>
2430
2431         * pointer-set.c (hash1): Use integer part of 2^64 / phi
2432         instead 2^32 / phi if long is 64-bit.
2433
2434 2004-10-17  Joseph S. Myers  <jsm@polyomino.org.uk>
2435
2436         * c-common.h (enum rid): Remove RID_PTRBASE, RID_PTREXTENT and
2437         RID_PTRVALUE.
2438         * c-parse.in (PTR_VALUE, PTR_BASE, PTR_EXTENT): Remove %token
2439         declarations.
2440         (reswords): Remove __ptrbase, __ptrbase__, __ptrextent,
2441         __ptrextent__, __ptrvalue and __ptrvalue__.
2442         (rid_to_yy): Remove RID_PTRBASE, RID_PTREXTENT and RID_PTRVALUE
2443         entries.
2444
2445 2004-10-16  Dale Johannesen  <dalej@apple.com>
2446
2447         * c-common.c (c_common_get_alias_set):  Use GGC for type_hash_table.
2448
2449 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
2450
2451         PR tree-optimization/17766
2452         * basic-block.h (enum dom_state): DOM_CONS_OK removed.
2453         (dom_info_available_p): Declare.
2454         * cfghooks.c (split_block, make_forwarder_block): Use
2455         dom_info_available_p.
2456         * dominance.c (compute_dom_fast_query, calculate_dominance_info,
2457         free_dominance_info, verify_dominators): Ditto.
2458         (dom_info_available_p): New function.
2459         * tree-cfg.c (cleanup_control_expr_graph): Free dominance information.
2460         (thread_jumps): Use dom_info_available_p.
2461         * tree-complex.c (expand_complex_div_wide): Ditto.
2462         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2463
2464 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
2465
2466         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field important_candidates.
2467         (find_best_candidate): Take also important candidates into account.
2468         (find_optimal_iv_set): Initialize important_candidates bitmap.
2469
2470 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
2471
2472         PR tree-optimization/17560
2473         * predict.c (tree_estimate_probability): Mark irreducible
2474         loops.
2475
2476 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
2477
2478         PR rtl-optimization/17723
2479         * cfgcleanup.c (merge_memattrs): Handle case when
2480         MEM_SIZE == NULL_RTX.
2481
2482 2004-10-15  Andrew Pinski  <pinskia@physics.uc.edu>
2483
2484         * toplev.c (dump_file_name): Change type to be const.
2485
2486 2004-10-15  Joseph S. Myers  <jsm@polyomino.org.uk>
2487
2488         * c-typeck.c (build_compound_expr, build_c_cast): Don't try to use
2489         non_lvalue to stop something being a null pointer constant.
2490
2491 2004-10-15  Aldy Hernandez  <aldyh@redhat.com>
2492
2493         * config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): FPRs are only
2494         available for TARGET_FPRS.
2495         (FUNCTION_VALUE_REGNO_P): Same.
2496
2497 2004-10-15  Geoffrey Keating  <geoffk@apple.com>
2498
2499         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
2500         -maltivec in same style as other ISA options.
2501
2502 2004-10-15  Jon Grimm <jgrimm2@us.ibm.com>
2503
2504         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __powerpc__
2505         definition.
2506
2507 2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>
2508
2509         * bitmap.c, bitmap.h, builtin-attrs.def, cfglayout.h,
2510         collect2.h, conflict.c, coretypes.h, coverage.h, errors.h,
2511         gcc.h, gcov-dump.c, gen-protos.c, gencheck.c, gencodes.c,
2512         genconstants.c, gengenrtl.c, genmodes.c, genpeep.c,
2513         gensupport.h, graph.h, gthr-gnat.c, gthr-gnat.h, gthr-posix.c,
2514         gthr-posix.h, hard-reg-set.h, hwint.h, integrate.h, libgcc2.c,
2515         lists.c, machmode.def, mips-tdump.c, opts.h, params.c,
2516         predict.def, predict.h, protoize.c, reload.h, resource.h,
2517         rtl-error.c, sbitmap.c, sbitmap.h, sreal.c, tlink.c,
2518         tree-dump.h, tree-inline.h, unwind-dw2-fde.c, unwind-dw2.c,
2519         unwind-sjlj.c, value-prof.h: Update copyright.
2520
2521 2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>
2522
2523         * pointer-set.c, tree-vectorizer.c: Fix comment typos.
2524
2525 2004-10-15  Diego Novillo  <dnovillo@redhat.com>
2526
2527         * tree-optimize.c (execute_one_pass): Stop timer right after
2528         executing the pass.
2529
2530 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2531
2532         Revert:
2533         2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2534         PR middle-end/17967
2535         Revert:
2536                 * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
2537                 (remove_useless_stmts_1):  Fold trees we know how to fold.
2538
2539 2004-10-14  David Edelsohn  <edelsohn@gnu.org>
2540
2541         * configure.ac: Add .machine power4 directive when testing for
2542         mfcr field.
2543         * configure: Regenerate.
2544
2545 2004-10-14  Geoffrey Keating  <geoffk@apple.com>
2546
2547         * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Don't define.
2548
2549 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2550
2551         * tree-vectorizer.c (vect_transform_loop): Declare vectorization_factor
2552         always.
2553
2554 2004-10-14  Daniel Jacobowitz  <dan@codesourcery.com>
2555
2556         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Return NO_REGS
2557         for 'f' if !TARGET_FPRS.
2558
2559 2004-10-14  Richard Henderson  <rth@redhat.com>
2560
2561         PR debug/14492
2562         * dwarf2out.c (loc_descriptor_from_tree_1): Handle FIX_*_EXPR.
2563
2564 2004-10-14  Richard Henderson  <rth@redhat.com>
2565
2566         PR c/17023
2567         * c-decl.c (store_parm_decls_oldstyle): Care for parameter type
2568         as error_mark_node.
2569         * c-parse.in (compstmt_primary_start): Check cur_stmt_list non-null
2570         instaed of current_function_decl non-null.
2571
2572 2004-10-14  Matt Austern  <austern@apple.com>
2573
2574         * pointer-set.c: New file, special-purpose hash table.
2575         * pointer-set.h: New file.
2576         * tree.h (struct pointer_set_t): Declare as opaque type.
2577         (tree_walk): Last argument is pointer_set_t* now.
2578         * tree-inline.c (WALK_SUBTREE): Convert from htab to pset.
2579         (walk_type_fields):
2580         (walk_tree): Convert from htab_t to pointer_set_t for keeping
2581         track of which nodes have already been visited.
2582         (walk_tree_without_duplicates): Convert from htab_t to pointer_set_t.
2583         * cgraphunit.c (cgraph_create_edges): Likewise.
2584         (cgraph_characterize_statics_local): Likewise.
2585         * tree-dfa.c (collect_dfa_stats): Likewise.
2586         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Last arg is
2587         pointer_set_t* now.
2588         * langhooks.c (lhd_tree_inlining_walk_subtrees): Likewise.
2589         * langhooks.h (struct lang_hooks_for_tree_inlining): Last arg type
2590         of walk_subtrees is pointer_set_t* now.
2591         * Makefile.in (OBJS-common): add pointer-set.o
2592         (tree-inline.o): Depends on pointer-set.h
2593         (tree-dfa.o): Likewise
2594         (cgraphunit.o): Likewise
2595
2596 2004-10-14  Geoffrey Keating  <geoffk@apple.com>
2597
2598         * config/rs6000/darwin.h (ASM_SPEC): Delete.
2599         (TARGET_ASM_FILE_START): Define.
2600         * config/darwin.h (ASM_SPEC): Define.
2601         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Don't supply
2602         -mlong-double-128, it's the default.  Update comment about reason
2603         for force_cpusubtype_ALL.
2604         * config/rs6000/darwin-vecsave.asm: Supply .machine.
2605         * config/rs6000/darwin-world.asm: Likewise.
2606         * config/rs6000/rs6000.c (rs6000_darwin_file_start): New.
2607         (symbolic_operand): Delete #if 0ed code.
2608
2609 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2610
2611         * stmt.c (add_case_node): Make sure that we have integer
2612         constant before calling tree_int_cst_compare.
2613
2614 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
2615
2616         PR middle-end/17967
2617         Revert:
2618                 * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
2619                 (remove_useless_stmts_1):  Fold trees we know how to fold.
2620
2621 2004-10-14  Joseph S. Myers  <joseph@codesourcery.com>
2622
2623         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS),
2624         config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow
2625         -m64.
2626
2627 2004-10-14  Ulrich Weigand  <uweigand@de.ibm.com>
2628
2629         * reload.c (find_reloads): When reloading a PLUS with constant
2630         operand, make sure the constant is pushed to the constant pool
2631         if required.
2632         * config/s390/s390.c (s390_secondary_input_reload_class): Remove
2633         reload bug workaround.
2634         (s390_expand_plus_operand): Likewise.
2635
2636 2004-10-14  David Edelsohn  <edelsohn@gnu.org>
2637
2638         * opts.c (common_handle_option): Do not enable
2639         flag_speculative_prefetching for -fprofile-generate/use.
2640
2641 2004-10-14  Devang Patel  <dpatel@apple.com>
2642
2643         PR 17635
2644         * tree-if-conv.c (process_phi_nodes): Process latch block.
2645         (combine_blocks): Process latch block and update loop structure.
2646
2647 2004-10-14  Olga Golovanevsky  <olga@il.ibm.com>
2648
2649         * tree-vectorizer.c (vect_generate_tmps_on_preheader):
2650         (vect_update_ivs_after_vectorizer):
2651         (vect_transform_for_unknown_loop_bound):
2652         (tree_duplicate_loop_to_edge):
2653         (allocate_new_names):
2654         (rename_use_op):
2655         (rename_def_op):
2656         (rename_variables_in_bb):
2657         (free_new_names):
2658         (rename_variables_in_loop):
2659         (copy_phi_nodes):
2660         (update_phis_for_duplicate_loop):
2661         (update_phi_nodes_for_guard):
2662         (make_loop_iterate_ntimes):
2663         (tree_duplicate_loop_to_edge_cfg):
2664         (add_loop_guard):
2665         (vect_analyze_loop_with_symbolic_num_of_iters):
2666         (verify_loop_for_duplication):
2667         (vect_gen_niters_for_prolog_loop):
2668         (vect_update_niters_after_peeling):
2669         (vect_update_inits_of_dr):
2670         (vect_update_inits_of_drs):
2671         (vect_build_loop_niters):
2672         (vect_do_peeling_for_alignment): New functions.
2673         (vect_transform_loop): Add unknown and known but indivisible loop
2674         bound support; add peeling for unalignment support.
2675         (vect_analyze_loop_form): Support symbolic number of iterations.
2676         (vect_transform_loop_bound): New input parameter.
2677         (vect_get_loop_niters): Change input parameter type.
2678         (new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
2679         (vectorizable_store): Allow unaligned access.
2680         (vectorize_loops): Add rewrite_into_loop_closed_ssa.
2681         (vect_analyze_data_refs_alignment): Allowed one unaligned
2682         store.
2683         * tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined
2684         to use tree.
2685         (LOOP_VINFO_INT_NITERS): New macro.
2686         (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): New define.
2687         (do_peeling_for_alignment):
2688         (unaligned_drs): New members of _loop_vec_info.
2689         (LOOP_DO_PEELING_FOR_ALIGNMENT): New macro.
2690
2691 2004-10-14  Ranjit Mathew  <rmathew@hotmail.com>
2692
2693         * tree.h (TREE_STRING_POINTER): Wrap in "const char *".
2694         (struct tree_string): Remove "const" qualifier for "str".
2695
2696 2004-10-14  Ira Rosen  <irar@il.ibm.com>
2697
2698         * tree-vectorizer.c (vect_analyze_data_refs): Call
2699         vect_get_base_and_bit_offset to get memory tag for array ref.
2700         (vect_create_addr_base_for_vector_ref): Remove redundant checks.
2701
2702 2004-10-14  Richard Earnshaw  <rearnsha@arm.com>
2703
2704         * configure.ac: Use $LN_S for creating symlinks (not $LN).
2705         * configure: Regenerate.
2706
2707 2004-10-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2708
2709         * doc/install.texi (*-*-solaris2*): Update with info about kernel
2710         patches to solve spurious testsuite failures.
2711
2712 2004-10-14  Dorit Naishlos  <dorit@il.bim.com>
2713
2714         * tree-vectorizer.c (get_vectype_for_scalar_type): Added debug prinouts.
2715         Added check that vectype is VECTOR_MODE_P, instead of check for BLKmode.
2716         (vect_analyze_operations): Make sure the vectorization factor > 1. Add
2717         gcc_assert under ENABLE_CHECKING.
2718         (vectorizable_operation): Remove check for VECTOR_MODE_P (moved to
2719         get_vectype_for_scalar_type).
2720
2721         (vect_get_vec_def_for_operand): Remove redundant variables.
2722         (vect_transform_loop): Likewise.
2723
2724 2004-10-14  Richard Sandiford  <rsandifo@redhat.com>
2725
2726         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Make r11 fixed and
2727         global for -mcaller-super-interworking.
2728         (CALLER_INTERWORKING_SLOT_SIZE): New macro.
2729         * config/arm/arm.c (thumb_compute_save_reg_mask): Save r11 if
2730         CALLER_INTERWORKING_SLOT_SIZE is nonzero and the function does
2731         not need a frame pointer.
2732         (arm_get_frame_offsets): Add CALLER_INTERWORKING_SLOT_SIZE bytes to
2733         the soft frame pointer offset.
2734         (thumb_expand_prologue): Set up r11 for -mcaller-super-interworking.
2735         * config/arm/arm.md (*call_reg_thumb, *call_value_reg_thumb): Use
2736         _interwork_{r7,r11}_call_via_rN if some arguments are passed on
2737         the stack.  Use frame_pointer_needed to choose between them.
2738         * config/arm/lib1funcs.asm (_arm_return_{r7,r11}): New functions.
2739         (interwork_with_frame): New macro.
2740         (interwork): Add _interwork_{r7,r11}_call_via_rN().
2741
2742 2004-10-14  Ben Elliston  <bje@au.ibm.com>
2743
2744         PR other/17900
2745         * diagnostic.c (trim_filename): Fix logic bug in walking backwards
2746         up the filename looking for a previous directory separator.
2747
2748 2004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>
2749
2750         * c-tree.h (enum c_typespec_kind, struct c_typespec,
2751         parser_xref_tag): New.
2752         (struct c_declspecs): Add tag_defined_p.  Adjust definition of
2753         typedef_p.
2754         (declspecs_add_type): Adjust prototypes.
2755         * c-parse.in (%union): Add tstype.
2756         (typespec_nonattr, typespec_attr, typespec_reserved_nonattr,
2757         typespec_reserved_attr, typespec_nonreserved_nonattr,
2758         structsp_attr, structsp_nonattr): Change to tstype.  Update
2759         actions.
2760         * c-decl.c (build_null_declspecs): Initialize tag_defined_p.
2761         (declspecs_add_type): Update to take struct c_typespec argument.
2762         Set tag_defined_p and typedef_p as appropriate.
2763         (xref_tag): Rename to parser_xref_tag and replace by wrapper.
2764         Update to return struct c_typespec.
2765         (shadow_tag_warned): Don't let empty declarations with qualifiers
2766         or storage class specifiers redeclare a tag if a previous
2767         declaration is visible.
2768
2769 2004-10-13  Richard Henderson  <rth@redhat.com>
2770
2771         PR debug/15860
2772         * dwarf2out.c (rtl_for_decl_location): Apply big-endian correction
2773         for DECL_INCOMING_RTL.
2774
2775 2004-10-14  Hans-Peter Nilsson  <hp@axis.com>
2776
2777         PR target/17984
2778         * config/cris/cris.md (asrandb, asrandw, lsrandb, lsrandw): Apply
2779         trunc_int_for_mode for constants used in shortened mode.
2780
2781 2004-10-13  Richard Henderson  <rth@redhat.com>
2782
2783         PR c/17384
2784         * c-common.c (handle_mode_attribute): Disallow mode changes that
2785         alter the CODE of the top-level type.
2786
2787         * crtstuff.c (__FRAME_END__): Remove mode attribute.  Find 32-bit
2788         integer from internal limits macros.
2789         * config/i386/mm3dnow.h (__v2sf): Fix base type.
2790
2791 2004-10-13  Richard Henderson  <rth@redhat.com>
2792
2793         PR debug/13841
2794         * function.c (instantiate_decl): Recurse for CONCAT.
2795
2796 2004-10-13  David Edelsohn  <edelsohn@gnu.org>
2797
2798         * config/rs6000/rs6000.md (andsi3): Add attribute "compare" for
2799         andi./andis.
2800         (anddi3): Same.
2801         (extzvdi_internal1): Add attribute "compare".
2802         (extzvdi_internal2): Same.
2803
2804 2004-10-12  Tom Tromey  <tromey@redhat.com>
2805
2806         * doc/md.texi (Insn Canonicalizations): Removed extraneous quote.
2807
2808 2004-10-13  Dale Johannesen  <dalej@apple.com>
2809
2810         * doc/extend.texi (Extended Asm):  Rewrite asm volatile description.
2811
2812 2004-10-13  Frank Ch. Eigler  <fche@redhat.com>
2813
2814         * toplev.c (compile_file): Call mudflap_finish_file from here ...
2815         * c-decl.c (c_write_global_declarations): ... instead of here ...
2816         * cp/decl.c (cp_finish_file): ... and here.
2817         * tree-mudflap.c (mudflap_enqueue_decl): Reword a warning message.
2818
2819 2004-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
2820
2821         * tree-ssa-dom.c (record_range): Free the element if we are not
2822         going to use it.
2823
2824 2004-10-13  Tom Tromey  <tromey@redhat.com>
2825
2826         PR java/15578:
2827         * gcc.c (option_map): Added --extdirs and --encoding.
2828
2829 2004-10-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2830
2831         PR target/14454
2832         * config/sparc/sparc.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Set to
2833         sparc_can_output_mi_thunk.
2834         (sparc_output_mi_thunk): Simplify handling of delta offset.  Add
2835         handling of vcall offset.
2836         (sparc_can_output_mi_thunk): New predicate.
2837         * doc/tm.texi (TARGET_ASM_OUTPUT_MI_THUNK): Document VCALL_OFFSET.
2838         (TARGET_ASM_OUTPUT_MI_VCALL_THUNK): Delete.
2839         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): New target hook.
2840
2841         * config/sparc/sparc.c (emit_and_preserve): Preserve stack alignment.
2842
2843         * config/sparc/sparc.md (movdi): Remove redundant test.
2844
2845 2004-10-13  Paolo Bonzini  <bonzini@gnu.org>
2846
2847         * tree-dump.c (dump_options): Remove TDF_TREE, TDF_RTL,
2848         TDF_IPA from -fdump-tree-*-all.
2849
2850 2004-10-13  Paul Brook  <paul@codesourcery.com>
2851
2852         * config/arm/arm-protos.h (arm_load_pic_register): Update prototype.
2853         * config/arm/arm.c (thumb_find_work_register): Update comments.
2854         (arm_load_pic_register): Add argument for scratch register.
2855         (arm_expand_prologue, thumb_expand_prologue): Pass extra argument.
2856         * config/arm/arm.md (builtin_setjmp_receiver): Ditto.
2857
2858 2004-10-13  Kazu Hirata  <kazu@cs.umass.edu>
2859
2860         * tree-data-ref.c: Fix comment typos.
2861
2862 2004-10-13  Jakub Jelinek  <jakub@redhat.com>
2863             Zdenek Dvorak  <dvorakz@suse.cz>
2864
2865         PR tree-optimization/17724
2866         * tree-cfg.c (tree_purge_dead_eh_edges): Free dominance info.
2867
2868 2004-10-13  Dorit Naishlos  <dorit@il.ibm.com>
2869
2870         * rs6000.c (altivec_builtin_mask_for_load): Made static GTY(()).
2871         (altivec_builtin_mask_for_store): Likewise.
2872         (altivec_init_builtins): Use lang_hooks.builtin_function to
2873         create the decls for builtin_altivec_mask_for_load/store.
2874
2875 2004-10-13  Nick Clifton  <nickc@redhat.com>
2876
2877         * config/c4x/c4x.c: Remove inclusion of loop.h.
2878
2879 2004-10-12  Ben Elliston  <bje@au.ibm.com>
2880
2881         * basic-block.h (edge_iterator): Keep the address of VEC(edge) *.
2882         (ei_container): New; renamed.
2883         (ei_start, ei_last): New macros.
2884         (ei_start_1, ei_last_1): Renamed from ei_start.
2885         (ei_last_1, ei_end_p): Use ei_container() where applicable.
2886         (ei_one_before_end_p, ei_next, ei_edge): Likewise.
2887         * gcse.c (remove_reachable_equiv_notes): Use ei_container().
2888
2889 2004-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
2890
2891         * Makefile.in (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
2892         * cfgloop.c (initialize_loops_parallel_p): New.
2893         (flow_loops_find): Initialize the parallel_p field to true for all
2894         the loops.
2895         * tree-ssa-loop-niter.c: Include "tree-data-ref.h".
2896         (estimate_numbers_of_iterations_loop): Infers the loop bounds from
2897         the size of the data accessed in the loop.
2898         (struct nb_iter_bound): Moved...
2899         * cfgloop.h (struct nb_iter_bound): ... here.
2900         (estimated_nb_iterations, parallel_p): New fields in struct loop.
2901         (record_estimate): Declare extern here.
2902         * tree-chrec.c: Fix comments.
2903         (nb_vars_in_chrec): New function.
2904         * tree-chrec.h (nb_vars_in_chrec): Declared here.
2905         * tree-data-ref.c: Don't include lambda.h, that is already included
2906         in tree-data-ref.h.
2907         (tree_fold_divides_p): Don't check for integer_onep.
2908         (tree_fold_bezout): Removed.
2909         (gcd): New static duplicated function.
2910         (int_divides_p, dump_subscript): New.
2911         (dump_data_dependence_relation): Use dump_subscript.
2912         (dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations,
2913         estimate_niter_from_size_of_data): New.
2914         (analyze_array_indexes, analyze_array): Call
2915         estimate_niter_from_size_of_data during the detection of array
2916         references.  Pass in a pointer to the statement that contains the
2917         array reference.
2918         (all_chrecs_equal_p): New.
2919         (compute_distance_vector): Renamed compute_subscript_distance.
2920         Deal with multivariate conflict functions.
2921         (initialize_data_dependence_relation): Initialize DDR_AFFINE_P,
2922         DDR_SIZE_VECT, DDR_DIST_VECT, and DDR_DIR_VECT.
2923         (non_affine_dependence_relation): New.
2924         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2925         analyze_siv_subscript, analyze_miv_subscript,
2926         analyze_overlapping_iterations, subscript_dependence_tester):
2927         Initialize and return last_conflicts function.
2928         (initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
2929         compute_overlap_steps_for_affine_1_2): New.
2930         (analyze_siv_subscript_affine_cst): Removed.
2931         (analyze_subscript_affine_affine): Disprove dependences based on the
2932         iteration domains.  Solve the univariate dependence case as before,
2933         but use lambda_matrix_right_hermite instead of tree_fold_bezout.
2934         Implement the multivariate case of 2 versus 1 variables.
2935         (build_classic_dist_vector, build_classic_dir_vector): Implement some
2936         unhandled cases.
2937         (find_data_references_in_loop): Compute and initialize
2938         loop->estimated_nb_iterations and loop->parallel_p.
2939         (analyze_all_data_dependences): Modify the debug dump order.
2940         * tree-data-ref.h (SUB_LAST_CONFLICT_IN_A, SUB_LAST_CONFLICT_IN_B,
2941         subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
2942         (SUB_LAST_CONFLICT, subscript->last_conflict,
2943         data_dependence_relation->affine_p, data_dependence_relation->size_vect,
2944         DDR_AFFINE_P, DDR_SIZE_VECT): New.
2945         (find_data_references_in_loop, initialize_data_dependence_relation,
2946         dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.
2947
2948 2004-10-12  Kelley Cook  <kcook@gcc.gnu.org>
2949
2950         * configure: Regenerate.
2951
2952 2004-10-12  Fariborz Jahanian <fjahanian@apple.com>
2953
2954         PR 17892
2955         * tree-ssa-dom.c (unsafe_associative_fp_binop): New function.
2956         (simplify_rhs_and_lookup_avail_expr): Disallow associativity
2957         and constant folding of floating point MULT_EXPR/PLUS_EXPR
2958         expressions.
2959
2960 2004-10-12  Ulrich Weigand  <uweigand@de.ibm.com>
2961
2962         * config/s390/s390.c (s390_va_start): Use build_va_arg_indirect_ref.
2963         (s390_gimplify_va_arg): Likewise.
2964
2965 2004-10-12  Daniel Jacobowitz  <dan@debian.org>
2966
2967         * defaults.h (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P)
2968         (MODE_BASE_REG_REG_CLASS, REGNO_MODE_OK_FOR_REG_BASE_P)
2969         (REG_MODE_OK_FOR_REG_BASE_P): Provide default definitions.
2970         * regclass.c (record_address_regs): Remove ifdef.  Use
2971         REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
2972         * regrename.c (REG_MODE_OK_FOR_BASE_P): Remove unnecessary
2973         definition.
2974         (scan_rtx_address, replace_oldest_value_addr): Use
2975         REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
2976         * reload.c (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Remove
2977         unnecessary definitions.
2978         (find_reloads_address_1): Support REG_MODE_OK_FOR_REG_BASE_P
2979         and MODE_BASE_REG_REG_CLASS.
2980         * config/arm/arm.h (MODE_BASE_REG_CLASS): Don't check reload_completed.
2981         (MODE_BASE_REG_REG_CLASS): Define.
2982         (REGNO_MODE_OK_FOR_REG_BASE_P): Define.
2983         (REG_MODE_OK_FOR_REG_BASE_P): Define.
2984         * doc/tm.texi (Register Classes): Document MODE_BASE_REG_REG_CLASS,
2985         REG_MODE_OK_FOR_REG_BASE_P, and REGNO_MODE_OK_FOR_REG_BASE_P.
2986
2987 2004-10-12  Daniel Berlin <dberlin@dberlin.org>
2988
2989         * tree-ssa-alias.c (verify_name_tags): New function.
2990         (verify_flow_sensitive_alias_info): Remove code that used to check name tags.
2991         (verify_alias_info): Call verify_name_tags.
2992
2993 2004-10-12  Kazu Hirata  <kazu@cs.umass.edu>
2994
2995         PR rtl-optimization/17931
2996         * config/i386/i386.c (ix86_rtx_costs): Handle COMPARE with
2997         ZERO_EXTRACT in it.
2998
2999 2004-10-12  Richard Earnshaw  <rearnsha@arm.com>
3000
3001         * arm.c (arm_print_operand): Use output_operand_lossage where possible
3002         rather than aborting.
3003
3004 2004-10-12  Paul Brook  <paul@coudesourcery.com>
3005
3006         * config.gcc: Add armv6{k,z,zk}
3007         * config/arm/arm-cores.def: Add arm1176 and mpcore.
3008         * config/arm/tune.md: Regenerate.
3009         * config/arm/arm.c (FL_FOR_ARCH6K, FL_FOR_ARCH6Z, FL_FOR_ARCH6ZK):
3010         Define.
3011         (all_architectures): Add armv6k, armv6z, armv6zk.
3012         * config/arm/lib1funcs.asm: Recognise new arm arcitectures.
3013         * doc/invoke.texi: Document new arch and cpu values.
3014
3015 2004-10-12  Paul Brook  <paul@coodesourcery.com>
3016
3017         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Change meabi=3 to
3018         meabi=4.
3019
3020 2004-10-12  Paul Brook  <paul@codesourcery.com>
3021
3022         * config/arm/arm.md (addsi3_cbranch_scratch): Correct constraints.
3023         Handle negative constants.
3024
3025 2004-10-12  Joseph S. Myers  <jsm@polyomino.org.uk>
3026
3027         PR c/17301
3028         * c-typeck.c (convert_arguments): Return error_mark_node if there
3029         are too few arguments.
3030         (build_function_call): Handle error_mark_node return from
3031         convert_arguments.
3032
3033 2004-10-06  Paolo Bonzini  <bonzini@gnu.org>
3034
3035         * configure.ac (symbolic_link): Replace with $LN_S.
3036         (Assembler/Linker): Hard link from gas and binutils trees.
3037         * aclocal.m4 (gcc_AC_PROG_LN_S): Try "cp -p" before cp.
3038         * configure: Regenerate.
3039
3040 2004-10-12  Paul Brook  <paul@codesourcery.com>
3041
3042         * configure.ac: Don't look for host assembler when building a canadian
3043         cross.
3044         * configure: Regenerate.
3045
3046 2004-10-11  Roger Sayle  <roger@eyesopen.com>
3047
3048         PR other/17361
3049         * c-opts.c (permit_fortran_options): Delete/obsolete global variable.
3050         (c_common_init_options): Remove #ifdef CL_F77 code.  Scan command
3051         line options for "-lang-asm" and if found allow any of the C-family
3052         front-end options.
3053         (c_common_handle_option): Remove last use of permit_fortran_options.
3054
3055 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
3056
3057         * config/s390/s390.c (print_operand): Support 'S' format flag.
3058         * config/s390/s390.md ("*tmqi_mem"): Use 'S' format flag.
3059         ("*tstsi", "*tstsi_cconly", "*tstsi_cconly2"): Likewise.
3060         ("*tsthiCCT", "*tsthiCCT_cconly", "*tsthi", "*tsthi_cconly"): Likewise.
3061         ("*tstqiCCT", "*tstqiCCT_cconly", "*tstqi", "*tstqi_cconly"): Likewise.
3062         ("*cmphi_ccu", "*cmpqi_ccu", "*clc"): Likewise
3063         ("movti", "*movdi_31", "*movqi", "*movdf_31", "*mvc"): Likewise.
3064         ("*movstricthi"): Likewise.
3065         ("*load_multiple_di", "*load_multiple_si"): Likewise.
3066         ("*store_multiple_di", "*store_multiple_si"): Likewise.
3067         ("*sethiqisi", "*sethihisi"): Likewise.
3068         ("*sethiqidi_64", "*sethiqidi_31"): Likewise.
3069         ("*andqi3_zarch", "*andqi3_esa", "*nc"): Likewise.
3070         ("*iorqi3_zarch", "*iorqi3_esa", "*oc"): Likewise.
3071         ("*xorqi3", "*xc", "*xc_zero"): Likewise.
3072         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Likewise.
3073
3074         ("*tmhi_full"): Fix incorrect op_type attribute.
3075
3076         ("*adddi3_alc_cc", "*adddi3_alc"): Remove double backslash.
3077         ("*subdi3_slb_cc", "*subdi3_slb"): Likewise.
3078         ("*addsi3_alc_cc", "*addsi3_alc"): Likewise.
3079         ("*subsi3_slb_cc", "*subsi3_slb"): Likewise.
3080
3081 2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu
3082
3083         PR middle-end/16266
3084         * function.c (temp_slots_at_level): Fix typo which creates too
3085         many temp stack slots levels.
3086
3087 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
3088
3089         * config/s390/s390.c (s390_trampoline_template): Generate shorter
3090         trampoline code.
3091         (s390_trampoline_instantiate): Adapt.
3092         * config/s390/s390.h (TRAMPOLINE_SIZE): Adapt to new code.
3093
3094 2004-10-11  Roger Sayle  <roger@eyesopen.com>
3095
3096         PR middle-end/17657
3097         * stmt.c (add_case_node): Add additional type argument.  Declare
3098         as static to match prototype.  Convert the upper and lower bounds
3099         to the specified index type.  Optimize away case ranges/values
3100         that are outside the index type's bounds.  Truncate case ranges
3101         that span the index type's bounds.
3102         (expand_case): Avoid unnessary computation and memory allocation
3103         when index type is error_mark_node.  Pass index_type as required
3104         by change to add_case_node API.  No need to convert case range
3105         bounds to index_type, this is now done by add_case_node.
3106
3107 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
3108
3109         * config/s390/s390-protos.h (s390_offset_p): Add prototype.
3110         * config/s390/s390.c (s390_offset_p): New function.
3111         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccu",
3112         "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use splitter to
3113         transform Q->Q alternatives to *clc pattern.
3114         ("*clc"): Move.
3115         ("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
3116         "*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf"): Use splitter
3117         to transform Q->Q alternatives to *mvc pattern.
3118         ("*mvc"): Move.  Add peephole to merge adjacent MVCs.
3119         ("*anddi3", "*andsi3_zarch", "*andsi3_esa", "*andhi3_zarch",
3120         "*andhi3_esa", "*andqi3_zarch", "*andqi3_esa"): Use splitter to
3121         transform Q->Q alternatives to *nc pattern.
3122         ("*nc"): New insn.  New peephole to merge adjacent NCs.
3123         ("*iordi3", "*iorsi3_zarch", "*iorsi3_esa", "*iorhi3_zarch",
3124         "*iorhi3_esa", "*iorqi3_zarch", "*iorqi3_esa"): Use splitter to
3125         transform Q->Q alternatives to *oc pattern.
3126         ("*oc"): New insn.  New peephole to merge adjacent OCs.
3127         ("*xordi3", "*xorsi3", "*xorhi3", "*xorqi3"): Use splitter to
3128         transform Q->Q alternatives to *xc pattern.
3129         ("*xc"): New insn.  New peephole to merge adjacent XCs.
3130         ("*xc_zero"): Move.  Add peephole to merge adjacent XCs.
3131
3132 2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
3133
3134         * gimplify.c (gimple_push_condition): Make sure that we don't
3135         have any saved condition cleanup if we were at the top level.
3136
3137 2004-10-11  Richard Sandiford  <rsandifo@redhat.com>
3138
3139         * config/frv/frv.md (*adddi3_internal): Change name to...
3140         (adddi3): ...replacing the exisiting define_expand.  Combine
3141         alternatives.  Fix the range of the constant constraints ('J' instead
3142         of 'NOP').  Remove bogus operands[2] check.  Use simplify_gen_subreg
3143         to extract the lower and upper halves of the DImode operands.
3144         Always use addi3_lower and adddi3_upper, not the subdi3 forms.
3145         (adddi3_lower): Fix the range of the constant constraints and
3146         remove the bogus operands[2] check.
3147         (adddi3_upper): Use gpr_or_int10_operand as the predicate for
3148         operand 2.  Use addxi to handle constant operands.
3149         (subdi3_lower, subdi3_upper): Don't handle constant operands.
3150
3151 2004-10-11  Nathan Sidwell  <nathan@codesourcery.com>
3152
3153         * gengtype-lex.l: Add commented } & ) characters to unconfuse
3154         editor's paren matching. Allow #define inside a struct.
3155
3156 2004-10-10  Andrew Pinski  <pinskia@physics.uc.edu>
3157
3158         PR middle-end/17703
3159         part of PR c++/17657
3160         * fold-const.c (fold_build_cleanup_point_expr): New function.
3161         * tree.h (fold_build_cleanup_point_expr): Prototype.
3162
3163 2004-10-10  Eric Christopher  <echristo@redhat.com>
3164
3165         * dwarf2out.c: Move attribute to subprogram declaration
3166         instead of subroutine type.
3167
3168 2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>
3169
3170         * basic-block.h: Remove the prototypes for can_hoist_insn_p,
3171         hoist_insn_after, and hoist_insn_to_edge.
3172         * rtl.h: Remove the prototypes for reg_referenced_between_p,
3173         no_jumps_between_p, and insn_dependent_p.
3174         * rtlanal.c (no_jumps_between_p, reg_referenced_between_p,
3175         insn_dependent_p, insn_dependent_p_1, hoist_test_store,
3176         can_hoist_insn_p, hoist_update_store, hoist_insn_after,
3177         hoist_insn_to_edge): Remove.
3178
3179 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
3180
3181         PR c/17881
3182         * c-decl.c (grokparms): Don't warn for parameters of incomplete
3183         type in declarations that are not definitions except for the case
3184         of parameters of void type.
3185
3186 2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>
3187
3188         * tree-cfg.c: Fix comment typos.
3189
3190 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
3191
3192         PR c/17301
3193         * builtins.c (expand_builtin_va_start): Check for too few
3194         arguments to va_start.
3195
3196 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
3197
3198         PR c/17189
3199         * c-decl.c (grokfield): Make diagnostic for bad cases of unnamed
3200         fields a pedwarn.  Pedwarn here for unnamed structs/unions if
3201         pedantic.
3202         * c-parse.in (component_decl): Don't pedwarn here for unnamed
3203         fields.
3204
3205 2004-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
3206
3207         PR tree-optimization/17906
3208         * tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to
3209         copy non-gimple reg arguments.
3210
3211 2004-10-09  Roger Sayle  <roger@eyesopen.com>
3212
3213         PR rtl-optimization/17853
3214         * simplify-rtx.c (simplify_relational_operation): Correct comment.
3215         Reorganize handling of comparison operations with floating point
3216         results (always return 0.0 even without FLOAT_STORE_FLAG_VALUE).
3217         Likewise, introduce support for comparison operations with vector
3218         result types, introducing a new VECTOR_STORE_FLAG_VALUE target macro.
3219
3220         * doc/rtl.texi: Document new VECTOR_STORE_FLAG_VALUE target macro.
3221         * doc/tm.texi: Likewise.
3222
3223 2004-10-09  Steven Bosscher  <stevenb@suse.de>
3224
3225         * regs.h (struct reg_info_def): Remove the last_node_uid and
3226         changes_mode fields.
3227         (REGNO_LAST_NOTE_UID): Don't define.
3228         * regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
3229         * regmove.c (copy_src_to_dest): Likewise.
3230
3231 2004-10-09  Roger Sayle  <roger@eyesopen.com>
3232
3233         PR middle-end/17894
3234         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2, the
3235         relational comparison operator op needs to be swapped/reversed when
3236         C1 is negative.  i.e. X/-10 < 1 becomes X >= -9, not X < -9.
3237
3238 2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
3239
3240         PR tree-opt/17902
3241         * tree-ssa-phiopt.c (conditional_replacement): Use bsi_after_labels
3242         instead of bsi_start.
3243         (value_replacement): Likewise.
3244         (abs_replacement): Likewise
3245
3246 2004-10-09  Steven Bosscher  <stevenb@suse.de>
3247
3248         * cfgexpand.c (maybe_dump_rtl_for_tree_stmt): New function.
3249         (expand_gimple_cond_expr, expand_gimple_tailcall,
3250         expand_gimple_basic_block): Use it to dump RTL for each stmt.
3251         (tree_expand_cfg): Announce full RTL function dump.
3252         * tree-optimize.c (execute_one_pass): Use normal RTL printing,
3253         not the graph version.
3254         * tree-pretty-print.c (dump_generic_node): Allow empty statements
3255         in the arms of a COND_EXPR for lowered nodes.
3256
3257 2004-10-08  Joseph S. Myers  <joseph@codesourcery.com>
3258
3259         * config/rs6000/spe.h (atosfix16, atosfix32, atosfix64, atoufix16,
3260         atoufix32, atoufix64, strtosfix16, strtosfix32, strtosfix64,
3261         strtoufix16, strtoufix32, strtoufix64): Declare.
3262
3263 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
3264
3265         * c-lex.c (interpret_float): Give a pedwarn rather than a warning
3266         for an out-of-range floating point constant.
3267         * builtins.c (fold_builtin_inf): Give a pedwarn rather than a
3268         warning if the target format does not support infinities.
3269
3270 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
3271
3272         * emit-rtl.c (last_label_num, base_label_num): Remove.
3273         (max_label_num): Always return label_num.
3274         (set_new_last_label_num, restore_emit_status): Remove.
3275         (init_emit): Don't initialize last_label_num.
3276         * function.c (pop_function_context_from): Don't call
3277         restore_emit_status.
3278         * function.h: Remove the prototype for restore_emit_status.
3279         * rtl.h: Remove the prototype for set_new_last_label_num.
3280
3281 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
3282
3283         * stmt.c (expand_decl_init): Remove.
3284         * tree.h: Remove the corresponding prototype.
3285
3286 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
3287
3288         * integrate.c (try_constants, subst_constants, mark_stores):
3289         Remove.
3290         * integrate.h: Remove the prototype for try_constants.
3291
3292 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
3293
3294         * c-typeck.c (enum impl_conv): Add ic_argpass_nonproto.
3295         (convert_for_assignment): Handle ic_argpass_nonproto.  Add
3296         comments about its relevance to errors.
3297         (c_convert_parm_for_inlining): Use ic_argpass_nonproto.
3298
3299 2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
3300
3301         PR c/16999
3302         * c-ppoutput.c (cb_ident): Don't quote string as it is already
3303         quoted.
3304
3305 2004-10-08  Diego Novillo  <dnovillo@redhat.com>
3306
3307         * tree-ssa-pre.c (init_pre): Use size of ARRAY_REF to allocate
3308         reference_node_pool.
3309
3310 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
3311
3312         * tree-cfg.c: Fix a comment typo.
3313
3314 2004-10-08  Andreas Krebbel  <krebbel1@de.ibm.com>
3315
3316         * config/s390/s390.c (s390_register_info): Don't save fprs for
3317         -msoft-float.
3318         (s390_conditional_register_usage): Make fprs 'fixed' for -msoft-float.
3319
3320 2004-10-08  Ulrich Weigand  <uweigand@de.ibm.com>
3321
3322         * config/s390/s390.h (TARGET_DEFAULT_BACKCHAIN): New define.
3323         (TARGET_DEFAULT): Use symbolic values.
3324         * config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Redefine.
3325         (TARGET_DEFAULT): Use symbolic values.
3326         * config/s390/s390.c (s390_backchain_string): Initialize to
3327         TARGET_DEFAULT_BACKCHAIN.
3328
3329 2004-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3330
3331         * builtins.c (expand_builtin_mempcpy): Move tree handling code to
3332         fold_builtin_mempcpy.  Accept a type parameter.  Delete duplicate
3333         code.
3334         (expand_builtin_strcat): Accept a type parameter.
3335         (fold_builtin_mempcpy): Accept a type and endp parameter.
3336
3337         * builtins.c (expand_builtin_strncpy): Delete duplicate code.
3338         Accept an `exp' instead of an `arglist'.
3339
3340 2004-10-08  Nathan Sidwell  <nathan@codesourcery.com>
3341
3342         * tree-tailcall.c (tree_optimize_tail_calls_1): Use fold_convert,
3343         reverting my 2004-09-07 patch to use build_int_cst.
3344
3345 2004-10-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3346
3347         PR target/17245
3348         * config/sparc/sparc.c (input_operand): Remove redundant code
3349         for handling LO_SUM.
3350         (legitimate_address_p) <REG+REG>: Do not recheck TARGET_V9.
3351         <LO_SUM>: If LO_SUM is offsettable, accept it for TFmode on V9.
3352         Otherwise only accept it for TFmode if quad move insns are available.
3353
3354 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
3355
3356         * tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
3357         common cases will be caught earlier than others.
3358
3359 2004-10-08  Michael Matz  <matz@suse.de>
3360
3361         * loop-doloop.c (doloop_optimize): Extend count.
3362
3363 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3364
3365         * config/sh/sh.md (prefetch_media, prefetch_i4): New insns.
3366         (prefetch): Convert to expander.
3367
3368 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
3369
3370         * config/sh/sh.md (tls_global_dynamic): Use MEM pattern for the
3371         first argument of CALL.
3372         (tls_local_dynamic): Likewise.
3373
3374 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
3375
3376         * c-typeck.c (enum impl_conv): New.
3377         (convert_for_assignment): Use it.  Take tree for function called
3378         instead of its name.  Handle ObjC selectors for diagnostics at
3379         start of function.  Select diagnostic text within the function
3380         using full sentences for diagnsotics.  Use %qE to name functions
3381         in diagnostics.
3382         (convert_arguments, build_modify_expr,
3383         c_convert_parm_for_inlining, digest_init, c_finish_return): Update
3384         callers to convert_for_assignment.
3385         (warn_for_assignment): Remove.
3386
3387 2004-10-08  Nick Clifton  <nickc@redhat.com>
3388
3389         * config/sh/symbian.c (symbian_possibly_export_base_class):
3390         Replace use of deleted TYPE_USES_VIRTUAL_BASECLASSES macro with
3391         TYPE_CONTAINS_VPTR_P.
3392
3393 2004-10-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3394
3395         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Don't exclude
3396         fixed registers form all_used_regs. Update call_really_used_regs.
3397         (CALL_REALLY_USED_REGISTERS): Define.
3398         * config/m32r/m32r.c (MUST_SAVE_REGISTER): Replace call_used_regs
3399         with call_really_used_regs.
3400
3401 2004-10-08  Alan Modra  <amodra@bigpond.net.au>
3402
3403         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Choose gcrt1.o
3404         for -profile as well as -p and -pg.
3405
3406 2004-10-07  Andrew Pinski  <pinskia@physics.uc.edu>
3407
3408         * libgcc2.c (__moddi3): Cast &w to UDWtype*.
3409
3410 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
3411
3412         * tree-cfg.c (tree_block_forwards_to): Remove.
3413         * tree-flow.h: Remove the corresponding prototype.
3414
3415 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
3416
3417         * tree-flow-inline.h (phi_nodes): Remove an unnecessary check
3418         for ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.
3419
3420 2004-10-07  Geoffrey Keating  <geoffk@apple.com>
3421
3422         Radar 3813796
3423         * config/rs6000/rs6000.c (rs6000_generate_compare): When
3424         flag_trapping_math is in effect, don't generate subtract
3425         instructions.
3426
3427 2004-10-07  Ulrich Weigand  <uweigand@de.ibm.com>
3428
3429         * config/s390/s390-protos.h (s390_narrow_logical_operator): Add.
3430         * config/s390/s390.c (s390_narrow_logical_operator): New function.
3431         (s390_extra_constraint_str): Add 'A' constraints.
3432         (s390_const_ok_for_constraint_p): Add 'Nx' constraints.
3433         * config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
3434         (CONSTRAINT_LEN): Likewise.
3435         * config/s390/s390.md ("*anddi3"): Add NI alternative and splitter.
3436         ("*andsi3_zarch", "*andsi3_esa"): Likewise.
3437         ("*andhi3_zarch", "*andhi3_esa"): Likewise.
3438         ("*iordi3"): Add OI alternative and splitter.
3439         ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
3440         ("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
3441         ("*xordi3"): Add XI alternative and splitter.
3442         ("*xorsi3", "*xorhi3"): Likewise.
3443
3444 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
3445
3446         * config/mips/mips.c (mips_function_rodata_section): New function.
3447         (TARGET_ASM_FUNCTION_RODATA_SECTION): Use it.
3448
3449 2004-10-07  Devang Patel  <dpatel@apple.com>
3450
3451         * rs6000/altivec.md (UNSPEC_VCMPBFP, UNSPEC_VCMPEQUB, UNSPEC_VCMPEQUH,
3452         UNSPEC_VCMPEQUW, UNSPEC_VCMPGEFP, UNSPEC_VCMPGTUB, UNSPEC_VCMPGTSB,
3453         UNSPEC_VCMPGTUH, UNSPEC_VCMPGTSH, UNSPEC_VCMPGTUW, UNSPEC_VCMPGTSW,
3454         UNSPEC_VCMPGTFP, UNSPEC_VSEL4SI, UNSPEC_VSEL4SF, UNSPEC_VSEL8HI,
3455         UNSPEC_VSEL16QI, UNSPEC_VCOND_V4SI, UNSPEC_VCOND_V4SF, UNSPEC_VCOND_V8HI,
3456         UNSPEC_VCOND_V16QI, UNSPEC_VCONDU_V4SI, UNSPEC_VCONDU_V8HI,
3457         UNSPEC_VCONDU_V16QI): New constant defines.
3458         (vcondv4si, vcondv4sf, vcondv8hi, vcondv16qi, vconduv4si, vconduv8hi,
3459         vconduv16qi): New patterns.
3460         * rs6000/rs6000-protos.h (rs6000_emit_vector_cond_expr): New function.
3461         * rs6000/rs6000.c (rs6000_emit_vector_cond_expr): New function.
3462         (get_vec_cmp_insn): Same.
3463         (get_vsel_insn): Same.
3464         (rs6000_emit_vector_compare): Same.
3465         (rs6000_emit_vector_select): Same.
3466         (INSN_NOT_AVAILABLE): New.
3467
3468 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
3469
3470         PR tree-optimization/17749
3471         * tree-tailcall.c (find_tail_calls): Check that parameter is
3472         a gimple_reg.
3473
3474 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
3475
3476         * config/ia64/ia64.c: Fix a comment typo.
3477
3478 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3479
3480         * doc/install.texi (*-*-solaris2*): Fix marker for URL.
3481
3482 2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3483
3484         PR c++/17115
3485         * tree-inline.c (expand_call_inline): Do not warn for functions
3486         marked with attribute noinline.
3487
3488 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3489
3490         PR target/17862
3491         * config/sparc/sparc.c (sparc_output_mi_thunk): Set
3492         current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.
3493
3494         * config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
3495         of 0 as 4th argument to pass_by_reference.
3496         Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.
3497
3498 2004-10-06  Eric Christopher  <echristo@redhat.com>
3499
3500         * config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf
3501         attribute.
3502
3503 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
3504
3505         PR target/17770
3506         * config/mips/mips.md (mov_<load>l): Remove hazard=none attribute.
3507
3508 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
3509
3510         PR rtl-optimization/17791
3511         * loop-doloop.c (doloop_modify): Take number of iterations as
3512         argument.
3513         (doloop_optimize): Extend or shorten the number of iterations
3514         when changing mode of counter register.
3515         * loop-iv.c (lowpart_subreg): Export.
3516         * rtl.h (lowpart_subreg): Declare.
3517
3518 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
3519
3520         PR tree-optimization/17806
3521         * cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
3522         * cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
3523         flags moved to split_edge.
3524
3525 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
3526
3527         PR middle-end/17835
3528         * expmed.c (expand_sdiv_pow2): Force a stack adjustment
3529         before tentatively building the conditional move sequence.
3530
3531 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
3532
3533         PR target/16815
3534         * function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
3535         check.
3536         * config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of
3537         function_arg_padding.
3538
3539 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
3540
3541         PR bootstrap/17857
3542         * Makefile.in (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.
3543
3544 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
3545
3546         * hooks.c (hook_int_void_1, hook_void_int): Remove.
3547         * hooks.h: Remove the corresponding prototypes.
3548
3549 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
3550
3551         PR middle-end/17849
3552         * tree-nested.c (walk_stmt_info): Add changed field.
3553         (convert_nonlocal_reference): Set changed to when we
3554         change a decl to unnested decl.
3555         <case ADDR_EXPR>: Instead of checking if the immediate part
3556         of the ADDR_EXPR changed, check the field changed.
3557         Use recompute_tree_invarant_for_addr_expr instead of unsetting
3558         TREE_INVARIANT.
3559         (convert_local_reference):  Set changed to when we
3560         change a decl to unnested decl.
3561         <case ADDR_EXPR>: Instead of checking if the immediate part
3562         of the ADDR_EXPR changed, check the field changed.
3563         Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.
3564
3565 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
3566
3567         * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
3568         * dwarf2out.c (dwarf2out_init): Remove references to
3569         DWARF2_GENERATE_TEXT_SECTION_LABEL.
3570         * system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
3571         * doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
3572
3573 2004-10-06  Joseph S. Myers  <jsm@polyomino.org.uk>
3574
3575         * c-typeck.c (convert_arguments): Take expression for called
3576         function rather than its name.  Handle ObjC selectors directly
3577         rather than relying on warn_for_assignment to do so.  Call warning
3578         directly rather than warn_for_assignment.  Use %qE in diagnostics.
3579         Say "argument" rather than "arg" in diagnostics.
3580         (build_function_call): Update call to convert_arguments.
3581
3582 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
3583
3584         PR debug/17787
3585         * dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
3586         ENUMs specially instead of just saying we do.
3587
3588 2004-10-06  Eric Christopher  <echristo@redhat.com>
3589
3590         * dwarf2.h: Sync with include/elf/dwarf2.h
3591
3592 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
3593
3594         * tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
3595         and TREE_VEC nodes.
3596
3597 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
3598
3599         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
3600         to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.
3601
3602 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
3603
3604         * lambda-code.c (compute_nest_using_fourier_motzkin): New
3605         function.
3606         (lambda_compute_auxillary_space): Split from here.
3607
3608 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
3609
3610         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
3611         * tree-flow.h: Add prototype.
3612         * lambda-code.c (invariant_in_loop_and_outer_loops): Use
3613         expr_invariant_in_loop.
3614
3615 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
3616
3617         * tree-cfg.c (thread_jumps): Remove a duplicate check for
3618         EXIT_BLOCK_PTR.
3619
3620 2004-10-06  Ulrich Weigand  <uweigand@de.ibm.com>
3621
3622         * config/s390/s390-protos.h (s_imm_operand): Remove.
3623         (s390_pool_operand): Add prototype.
3624         * config/s390/s390.c (general_s_operand): Remove.
3625         (s_imm_operand): Remove.
3626         (s_operand): Merge contents of general_s_operand.
3627         (s390_pool_operand): New function.
3628         * config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
3629         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
3630         ("*cmpdi_ccu"): Merge Q->Q alternative.
3631         ("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
3632         ("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
3633         ("*cli"): Remove.
3634         ("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
3635         ("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
3636         ("*movstricthi"): Use memory_operand instead of s_imm_operand.
3637
3638 2004-10-06  Steve Ellcey  <sje@cup.hp.com>
3639
3640         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
3641         call ia64_function_arg_boundary.
3642         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
3643         * config/ia64/ia64.c (ia64_function_arg_boundary): New.
3644         (ia64_function_arg_advance): Do not put 128 bit floats into
3645         FP registers.
3646
3647 2004-10-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3648
3649         * builtins.c (expand_builtin_strcpy): Delete duplicate code.
3650         Accept an expression instead of an arglist.
3651         (expand_builtin_stpcpy): Accept an expression instead of an
3652         arglist.
3653
3654 2004-10-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3655
3656         PR target/16007
3657         * doc/install.texi (*-*-solaris2*): Mention potential problem
3658         with Sun assembler + GNU linker and C++ programs.
3659         Document status of binutils 2.15 release.
3660
3661 2004-10-06  Jan Hubicka  <jh@suse.cz>
3662
3663         * cse.c (cse_main): Kill push/pop context.
3664
3665 2004-10-05  Zack Weinberg  <zack@codesourcery.com>
3666
3667         * pretty-print.c: Include tree.h.
3668         (pp_base_prepare_to_format): New function, logic from
3669         text_specifies_location.
3670         (pp_base_format_text): Use gcc_assert.
3671         * pretty-print.h (pp_prepare_to_format): New macro.
3672         (pp_base_prepare_to_format): Prototype.
3673         * diagnostic.c (text_specifies_location): Delete.
3674         (bug_report_request): Delete.
3675         (diagnostic_set_info): Don't call text_specifies_location.
3676         (diagnostic_action_after_output): Put text from
3677         bug_report_request inline here.  Use gcc_unreachable.
3678         (diagnostic_report_current_function): Fix comment.
3679         (diagnostic_report_diagnostic): Clarify logic for error recursion.
3680         Call pp_prepare_to_format before diagnostic_starter.
3681         (trim_filename): Use IS_DIR_SEPARATOR.
3682         (fatal_error, internal_error): Use gcc_unreachable.
3683         (error_recursion): Call diagnostic_action_after_output to
3684         issue the bug_report_request message and exit.
3685         * Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.
3686
3687         * c-parse.in: Add list of diagnostic messages to insulate
3688         translation template from version of yacc/bison used to
3689         compile the grammar.
3690
3691 2004-10-06  Alan Modra  <amodra@bigpond.net.au>
3692
3693         PR 16406
3694         * doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.
3695
3696 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3697
3698         * basic-block.h: Remove the prototype for
3699         flow_preorder_transversal_compute.
3700         * cfganal.c (dfst_node): Remove.
3701         (flow_preorder_transversal_compute): Likewise.
3702         * rtl.h: Remove the prototype for get_jump_table_offset.
3703         * rtlanal.c (get_jump_table_offset): Remove.
3704
3705 2004-10-05  Richard Henderson  <rth@redhat.com>
3706
3707         PR 17756
3708         * tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.
3709
3710 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
3711
3712         PR bootstrap/17817
3713         * Makefile.in: Stage the build directory too.
3714
3715 2004-10-05  Aldy Hernandez  <aldyh@redhat.com>
3716
3717         * config/frv/frv.h (LEGITIMIZE_ADDRESS): New.
3718
3719         * config/frv/frv-protos.h (frv_legitimize_address): Protoize.
3720         (frv_emit_move): Same.
3721
3722         * config/frv/frv.c (frv_emit_move): New.
3723         (frv_legitimize_address): New.
3724
3725         * config/frv/frv.md ("movsi"): Call frv_emit_move.
3726         ("movqi"): Same.
3727         ("movhi"): Same.
3728         ("movdi"): Same.
3729         ("movsf"): Same.
3730         ("movdf"): Same.
3731
3732 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3733
3734         * c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
3735         system headers.
3736
3737 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3738
3739         * c-decl.c (pushdecl): When an extern declaration at block scope
3740         refers to a visible entity with internal linkage, use the old DECL
3741         rather than the new one.
3742
3743 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3744
3745         * tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in
3746         comments.
3747
3748 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3749
3750         * tree-cfg.c (thread_jumps): Remove a duplicate check for
3751         an infinite loop.
3752
3753 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3754
3755         * tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
3756         of FOR_BB_BETWEEN.  Remove a useless check for unreachable
3757         blocks.
3758
3759 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3760
3761         * tree-cfg.c (cleanup_tree_cfg): Don't call
3762         delete_unreachable_blosk() after thread_jumps().
3763         (thread_jumps): Always remove basic blocks as they become
3764         unreachable.
3765
3766 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
3767
3768         * tree-cfg.c (cleanup_tree_cfg): Remove variable
3769         something_changed.  Simplify the while loop.
3770
3771 2004-10-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3772
3773         * builtins.c (expand_builtin_memmove): Delete duplicate code
3774         and accept a tree type for the result.
3775         (expand_builtin_bcopy): Accept a tree type for the result.
3776         (fold_builtin_memmove): Accept an arglist and tree type for
3777         the result.
3778
3779 2004-10-05  Ulrich Weigand  <uweigand@de.ibm.com>
3780
3781         * config/s390/s390.c (s390_dump_pool): Remove return value.
3782         Use gen_pool_align, gen_pool_section_start/end instead of
3783         gen_pool_start/end_31/64.
3784         * config/s390/s390.md (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
3785         (UNSPECV_POOL_SECTION, UNSPECV_POOL_ALIGN): New constants.
3786         ("pool_start_31", "pool_end_31"): Remove.
3787         ("pool_start_64", "pool_end_64"): Likewise.
3788         ("pool_align", "pool_section_start", "pool_section_end": New insns.
3789
3790         * config/s390/s390.c (s390_cannot_copy_insn_p): New function.
3791         (TARGET_CANNOT_COPY_INSN_P): Define.
3792         (s390_cannot_force_const_mem): Handle UNSPEC_INSN.
3793         (struct constant_pool): New member 'execute'.
3794         (s390_add_execute, s390_find_execute): New functions.
3795         (s390_execute_label, s390_execute_target): Likewise.
3796         (s390_dump_pool): Output in-pool execute target templates.
3797         (s390_dump_execute): New function.
3798         (s390_alloc_pool, s390_free_pool): Handle execute templates.
3799         (s390_mainpool_start, s390_mainpool_finish): Likewise.
3800         (s390_chunkify_start, s390_chunkify_finish): Likewise.
3801         * config/s390/s390.md (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
3802         ("*execute"): New insn pattern.
3803         ("movmem_short", "*movmem_short"): Use splitters to generate
3804         explicit execute pattern, remove embedded execute.
3805         ("clrmem_short", "*clrmem_short"): Likewise.
3806         ("cmpmem_short", "*cmpmem_short"): Likewise.
3807
3808 2004-10-05  Daniel Berlin  <dberlin@dberlin.org>
3809
3810         * tree-ssa.c (verify_ssa): Verify phi arguments only
3811         contain renamed names.
3812
3813 2004-10-05  Alan Modra  <amodra@bigpond.net.au>
3814
3815         * config/rs6000/linux.h: Formatting, whitespace.
3816         * config/rs6000/linux64.h: Likewise.
3817         * config/rs6000/rs6000-protos.h: Likewise.
3818         * config/rs6000/rs6000.c: Likewise.
3819         (easy_vector_splat_const): Add fall thru comments.
3820         (output_vec_const_move): Likewise.
3821
3822 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
3823
3824         * Makefile.in: Update -Wno-error exceptions for move to build dir.
3825
3826 2004-10-05  Chao-Ying Fu  <fu@mips.com>
3827             Richard Sandiford  <rsandifo@redhat.com>
3828
3829         * doc/invoke.texi (-mpaired-single): Link to the new description of the
3830         built-in functions.  Document dependencies.
3831         (-mips3d): Add link here too.
3832         * doc/extend.texi (MIPS Paired-Single Support): New section.
3833
3834 2004-10-04  Chao-ying Fu  <fu@mips.com>
3835
3836         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Define.
3837
3838 2004-10-04  Diego Novillo  <dnovillo@redhat.com>
3839
3840         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
3841         Initialize OPT_STATS to 0.
3842
3843 2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>
3844
3845         * tree-data-ref.c: Fix comment typos.
3846
3847 2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>
3848
3849         * tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
3850         the predicate cannot be computed, don't initialize the result to
3851         false.
3852
3853 2004-10-01  Eric Christopher  <echristo@redhat.com>
3854
3855         * dwarf2.h (dwarf_calling_convention): Add GNU prefix to
3856         locally defined enum.
3857         * dwarf2out.c (add_calling_convention_attribute): Don't
3858         emit DW_CC_normal.
3859
3860 2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
3861
3862         PR c/17178, PR c/17820
3863         * c-decl.c (pop_scope): Do not warn about unused static
3864         variables as they warned in the middle-end.
3865
3866 2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3867
3868         * builtins.c (expand_builtin_memcpy): Delete duplicate code
3869         and make the first parameter the expression not the arglist.
3870
3871 2004-10-03  Ulrich Weigand  <uweigand@de.ibm.com>
3872
3873         * expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
3874         as valid modes to expand address expressions.
3875
3876 2004-10-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3877
3878         * c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
3879         c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,
3880         c-parse.in, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
3881         code formatting conventions.
3882
3883 2004-10-03  Richard Sandiford  <rsandifo@redhat.com>
3884
3885         * config/mips/mips.md (<u>mulsidi3_32bit_r4000): Fix unsigned case.
3886
3887 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
3888
3889         PR tree-optimization/16632
3890         * fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
3891         fold (A & C) == D into 0, fold ~C.  Similarly, for the case
3892         where | is used instead of &.
3893
3894 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
3895
3896         * ginclude/stddef.h: Fix a comment typo.
3897
3898 2004-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3899
3900         PR target/17443
3901         * config.gcc (i?86-*-solaris2*): Restore correct logic
3902         for --enable-threads option.
3903         (sparc64-*-solaris2*): Likewise.
3904         (sparc-*-solaris2*): Likewise.
3905
3906 2004-10-03  Alan Modra  <amodra@bigpond.net.au>
3907
3908         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
3909         (OS_MISSING_POWERPC64): Move, and comment.
3910         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
3911         (OS_MISSING_POWERPC64): Move, and comment.
3912
3913 2004-10-02  Ian Lance Taylor  <ian@wasabisystems.com>
3914
3915         * arm.c (output_call_mem): Add missing \t.
3916
3917 2004-10-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3918
3919         * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
3920         expand_builtin_strncmp): Delete duplicate code.
3921
3922 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
3923
3924         * tree-mudflap.c (mf_build_check_statement_for): Reorganize to
3925         take check-base and -limit arguments.
3926         (mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
3927         check ranges for ARRAY_REF and COMPONENT_REF.
3928         (execute_mudflap_fnction_ops, ..._decls): Limit unnecessary
3929         instrumentation.
3930
3931 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
3932
3933         * c-objc-common.c (c_tree_printer): Correct description of %E.
3934         Don't fall through after printing an expression.
3935
3936 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
3937
3938         * tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.
3939
3940 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
3941
3942         * tree-cfg.c (cleanup_tree_cfg): Speed up by calling
3943         delete_unrechable_blocks() only when necessary.
3944
3945 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
3946
3947         * gthr-tpf.h (__gthread_recursive_mutex_t): New type.
3948         (__GTHREAD_RECURSIVE_MUTEX_INIT): Define.
3949         (__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
3950         __gthread_recursive_mutex_unlock): New functions.
3951
3952 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
3953
3954         * config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
3955         * config/s390/tpf-eh.c: Remove file.
3956         * config/s390/tpf-unwind.h: New file.
3957         * config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.
3958         (MD_UNWIND_SUPPORT): Define.
3959
3960 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
3961
3962         * c-typeck.c (warn_for_assignment): Don't permit argnum == 0.
3963
3964 2004-10-01  Ulrich Weigand  <uweigand@de.ibm.com>
3965
3966         * config/s390/s390-protos.h (s390_comparison): Add prototype.
3967         * config/s390/s390.c (s390_comparison): New function.
3968         (s390_branch_condition_mask): Return -1 for invalid comparisons.
3969         (s390_branch_condition_mnemonic): Assert valid comparison.
3970         * config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
3971         * config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
3972         "*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
3973         s390_comparison instead of comparison_operator.
3974
3975         * config/s390/s390.md (UNSPEC_CMPINT): New constant.
3976         ("cmpmemdi"): Remove.
3977         ("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
3978         ("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
3979         ("cmpint_si"): Rename to ...
3980         ("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
3981         ("cmpint_di", "*cmpint_di"): Likewise.
3982         * config/s390/s390.c (s390_canonicalize_comparison): Remove
3983         redundant UNSPEC_CMPINT conversions.
3984         (s390_expand_cmpmem): Adapt to cmpint pattern changes.
3985
3986 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
3987
3988         * collect2.c (COLLECT_PARSE_FLAG): Remove.
3989         (main): Remove a reference to COLLECT_PARSE_FLAG
3990         * system.h: Poison COLLECT_PARSE_FLAG.
3991         * doc/tm.texi (COLLECT_PARSE_FLAG): Remove.
3992
3993 2004-10-01  Paul Brook  <paul@codesourcery.com>
3994
3995         * config/arm/crti.asm: Give _init and _fini function type.
3996
3997 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
3998
3999         * common.opt (ftree-loop-ivcanon): Enable by default.
4000         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
4001         Enable complete loop unrolling.
4002         (canonicalize_induction_variables, tree_unroll_loops_completely):
4003         Reset scev info.
4004
4005 2004-10-01  Paul Brook  <paul@codesourcery.com>
4006
4007         * config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
4008         not register number.
4009         (thumb_find_work_register): Search full register range.
4010
4011 2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
4012
4013         PR tree-opt/17343
4014         * tree-cfg.c (group_case_labels): Get the label and not
4015         the case expr for the default case.
4016         When the label we looking at is the default, decrement the
4017         new_size.
4018
4019 2004-10-01  Jan Hubicka  <jh@suse.cz>
4020
4021         * c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
4022         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4023         * toplev.h (tree_rest_of_compilation): Update prototype.
4024         * tree-optimize.c (tree_rest_of_compilation):  Kill nested_p argument.
4025
4026 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
4027
4028         * tree-cfg.c (cleanup_tree_cfg): Pull a call to
4029         cleanup_control_flow() out of the while loop.
4030
4031 2004-10-01  Paolo Bonzini  <bonzini@gnu.org>
4032
4033         * tree-vectorizer.c (vectorizable_operation): Fail unless
4034         the mode for the vector type is indeed a vector mode.
4035
4036 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
4037
4038         * tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
4039         chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
4040         of convert.
4041         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4042         add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
4043         follow_ssa_edge_in_rhs): Ditto.
4044         * tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
4045         (dump_iv): Dump base_object.
4046         (dump_use, dump_cand): Use dump_iv.
4047         (determine_base_object): New function.
4048         (alloc_iv): Initialize base_object field.
4049         (record_use): Clear the ssa_name field of iv.
4050         (get_computation_cost_at): Do not use difference of addresses of
4051         two different objects.
4052         (may_eliminate_iv): Do not require the loop to have just single exit.
4053         * tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
4054         (nonzero_p): New function.
4055         (inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
4056         tree_simplify_using_condition, simplify_using_initial_conditions,
4057         loop_niter_by_eval, find_loop_niter_by_eval,
4058         estimate_numbers_of_iterations_loop, compare_trees,
4059         upper_bound_in_type, lower_bound_in_type,
4060         can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
4061         fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
4062         instead of integer_(non)zerop.
4063
4064 2004-10-01  Jakub Jelinek  <jakub@redhat.com>
4065
4066         Revert
4067         2004-09-29  Jakub Jelinek  <jakub@redhat.com>
4068
4069         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
4070         and TI_VA_LIST_FPR_COUNTER_FIELD.
4071         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
4072         * tree-pass.h (pass_stdarg): Add.
4073         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
4074         * tree-stdarg.c: New file.
4075         * Makefile.in (OBJS-common): Add tree-stdarg.o.
4076         (tree-stdarg.o): Add dependencies.
4077         * function.h (struct function): Add va_list_gpr_size and
4078         va_list_fpr_size fields.
4079         * function.c (allocate_struct_function): Initialize them.
4080
4081         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
4082         va_list_{g,f}pr_counter_field.
4083         (ix86_setup_incoming_varargs): Don't do anything if reg_save
4084         area will not be used.  Only save registers that tree-stdarg.c
4085         detected they need saving.
4086         (ix86_va_start): Don't set up fields that won't be used.
4087
4088         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
4089         va_list_{g,f}pr_counter_field.
4090         (setup_incoming_varargs): Don't do anything if reg_save
4091         area will not be used.  Only save registers that tree-stdarg.c
4092         detected they need saving.
4093         (rs6000_va_start): Don't set up fields that won't be used.
4094
4095 2004-09-30  Eric Christopher  <echristo@redhat.com>
4096
4097         * dwarf2.h (dwarf_calling_convention): Add enum for renesas
4098         sh abi.
4099         * dwarf2out.c (add_calling_convention_attribute): New function.
4100         (gen_subroutine_type_die): Use.
4101         * target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
4102         * target.h (gcc_target): Add dwarf_calling_convention.
4103         * hooks.c (hook_int_tree_0): New function.
4104         * hooks.h: Prototype.
4105         * config/sh/sh.c: Include dwarf2.h.
4106         (sh_dwarf_calling_convention): New function.
4107         (TARGET_DWARF_CALLING_CONVENTION): Use.
4108         * doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.
4109
4110 2004-09-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4111
4112         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
4113         expand_builtin_strrchr, expand_builtin_strpbrk,
4114         expand_builtin_strncat, expand_builtin_strspn,
4115         expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate
4116         code.
4117
4118 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
4119
4120         * config/s390/s390-protos.h (s390_expand_logical_operator): Add
4121         prototype.
4122         (s390_logical_operator_ok_p): Likewise.
4123         * config/s390/s390.c (s390_expand_logical_operator): New function.
4124         (s390_logical_operator_ok_p): Likewise.
4125         * config/s390/s390.md ("anddi3"): New expander.
4126         ("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
4127         ("*anddi3_ss", "*anddi3_ss_inv"): Remove.
4128         ("andsi3"): Use s390_expand_logical_operator.
4129         ("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
4130         ("*andsi3_ss", "*andsi3_ss_inv"): Remove.
4131         ("andhi3"): New expander.
4132         ("*andhi3_zarch", "*andhi3_esa"): New patterns.
4133         ("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
4134         ("andqi3"): New expander.
4135         ("*andqi3_zarch", "*andqi3_esa"): New patterns.
4136         ("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
4137         ("iordi3"): New expander.
4138         ("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
4139         ("*iordi3_ss", "*iordi3_ss_inv"): Remove.
4140         ("iorsi3"): Use s390_expand_logical_operator.
4141         ("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
4142         ("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
4143         ("iorhi3"): New expiorer.
4144         ("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
4145         ("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
4146         ("iorqi3"): New expiorer.
4147         ("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
4148         ("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
4149         ("xordi3"): New expander.
4150         ("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
4151         ("*xordi3_ss", "*xordi3_ss_inv"): Remove.
4152         ("xorsi3"): New expander.
4153         ("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
4154         ("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
4155         ("xorhi3"): New expander.
4156         ("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
4157         ("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
4158         ("xorqi3"): New expander.
4159         ("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
4160         ("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.
4161
4162 2004-09-30  Roger Sayle  <roger@eyesopen.com>
4163
4164         * combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
4165         (AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
4166         machine mode as the result.
4167
4168 2004-09-30  Ben Elliston  <bje@au.ibm.com>
4169
4170         PR bootstrap/17761
4171         * lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
4172         FOR_EACH_EDGE macros.
4173
4174 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
4175
4176         * c-tree.h (readonly_error): Remove.
4177         * c-typeck (enum lvalue_use): New.
4178         (lvalue_or_else, readonly_error): Use it.  All callers changed.
4179         (readonly_error): Make static.
4180
4181 2004-09-30  Jan Hubicka  <jh@suse.cz>
4182
4183         PR debug/13974
4184         * cfgrtl.c (try_redirect_by_replacing_jump,
4185         force_nonfallthru_and_redirect, commit_one_edge_insertion,
4186         cfg_layout_merge_blocks):  Do not attach any line number information
4187         to newly inserted instructions.
4188         * emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
4189         emit_insn_*_noloc.
4190         (emit_*insn_before, emit_insn*_after): New.
4191         (emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
4192         existing locators.
4193         * rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
4194         (emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.
4195
4196 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
4197
4198         * config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
4199         (s390_return_address_offset): Remove.
4200         (s390_can_eliminate): Add prototype.
4201         (s390_initial_elimination_offset): Add prototype.
4202         * config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
4203         (INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
4204         * config/s390/s390.c (s390_arg_frame_offset): Remove.
4205         (s390_return_address_offset): Remove.
4206         (s390_can_eliminate, s390_initial_elimination_offset): New functions.
4207         (struct machine_function): New member split_branches_pending_p.
4208         (s390_mainpool_start): Allow nonexistant pool insn for empty pool.
4209         (s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
4210         (s390_optimize_prologue): Remove base_used argument.  Call
4211         s390_update_frame_layout instead of s390_register_info.  Handle
4212         prologue/epilogue insns that touch only RETURN_REGNUM.
4213         (s390_reorg): Remove base_used.  Clear split_branches_pending_p.
4214         (s390_register_info): Remove base_used and return_addr_used
4215         arguments, compute special register usage inline.  Return live
4216         register data to caller.
4217         (s390_frame_info): Remove arguments, do not call s390_register_info.
4218         (s390_init_frame_layout): New function.
4219         (s390_update_frame_layout): Likewise.
4220         (s390_emit_prologue): Call s390_update_frame_layout; some code
4221         move to there.  Do not emit pool placeholder insn if unnecessary.
4222
4223 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
4224
4225         * config/s390/s390.c (legitimate_reload_constant_p): Remove
4226         floating point constant workaround.
4227         (s390_secondary_input_reload_class): Handle PLUS reloads
4228         with too-large constant.
4229         (s390_expand_plus_operand): Likewise.
4230         * config/s390/s390.md ("movdi"): Do not call force_const_mem.
4231         ("movsi"): Likewise.  Also, remove workaround for non-general
4232         operands.
4233         ("movdf"): Do not call force_const_mem.
4234         ("movsf"): Likewise.  Merge expander with *movsf insn.
4235         ("*movsf"): Remove, merge with movsf expander.
4236
4237 2004-09-30  Paul Brook  <paul@codesourcery.com>
4238
4239         * config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
4240         (ENDFILE_SPEC): Define.
4241         * config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.
4242
4243 2004-09-30  Richard Henderson  <rth@redhat.com>
4244
4245         * config/alpha/qrnnd.asm: Mark for noexecstack.
4246
4247 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
4248
4249         * protoize.c, tree-cfg.c: Fix comment typos.
4250
4251 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
4252
4253         PR c/17730
4254         * c-typeck.c (lvalue_or_else): Pass msgid directly to error.
4255
4256 2004-09-30  Diego Novillo  <dnovillo@redhat.com>
4257
4258         * tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
4259         expressions...
4260         (add_pointed_to_expr): ... here.
4261         Call add_pointed_to_expr for variables with DECL_INITIAL set.
4262         * tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
4263         pointer variable, if set.
4264
4265 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
4266
4267         * config/sh/sh.c: Follow spelling conventions.
4268
4269 2004-09-29  Richard Henderson  <rth@redhat.com>
4270
4271         * unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
4272         * doc/tm.texi (DWARF_ZERO_REG): New.
4273
4274         * config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
4275         alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
4276         * config/alpha/alpha.h (DWARF_ZERO_REG): New.
4277
4278 2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>
4279
4280         * builtins.c (expand_builtin_strlen): Do not call emit_move_insn
4281         with a PLUS as source operand.
4282         (expand_movstr): Likewise.
4283         (expand_builtin_stpcpy): Likewise.
4284
4285 2004-09-29  Richard Henderson  <rth@redhat.com>
4286
4287         PR 17739
4288         * tree-gimple.c (is_gimple_reg): Reject hard registers.
4289         (is_gimple_asm_val): New.
4290         * tree-gimple.h (is_gimple_asm_val): Declare.
4291         * gimplify.c (gimplify_asm_expr): Use it.
4292         * tree-pretty-print.c (print_declaration): Dump hard regs.
4293         * tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
4294         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
4295         * tree-ssa-pre.c (is_undefined_value): Likewise.
4296         * tree-ssa-copy.c (may_propagate_copy): Likewise.
4297         (may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
4298         * tree-ssa.c (warn_uninit): Likewise.
4299         * tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
4300
4301 2004-09-29  Fariborz Jahanian <fjahanian@apple.com>
4302
4303         * c-decl.c (merge_decls): Use comptype when comparing
4304         types to decide on DECL_SIZE save of olddecl.
4305
4306 2004-09-29  Daniel Berlin  <dberlin@dberlin.org>
4307
4308         * tree.h (INDIRECT_REF_P): New macro.
4309         * alias.c (get_alias_set): Use it
4310         (nonoverlapping_memrefs_p): Ditto.
4311         * emit-rtl.c (mem_expr_equal_p): Ditto.
4312         (set_mem_attributes_minus_bitpos): Ditto.
4313         (is_gimple_addressable): Ditto.
4314         (get_base_address): Ditto.
4315         * tree-ssa-alias.c (find_ptr_derefernece): Ditto.
4316         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
4317         * tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
4318         * tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
4319         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
4320         (add_address_candidates): Ditto.
4321         (rewrite_address_base): Ditto.
4322
4323 2004-09-30  Ben Elliston  <bje@au.ibm.com>
4324
4325         * tree-flow.h (struct bb_ann_d): Remove num_preds member.
4326         * tree-into-ssa.c (rewrite_into_ssa): Don't set it.
4327         (rewrite_ssa_into_ssa): Likewise.
4328         * tree-phinodes.c (create_phi_node): Access the number of
4329         predecessor edges using EDGE_COUNT() and not num_preds.
4330
4331 2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>
4332
4333         PR c/7425
4334         * c-decl.c (merge_decls): Merge TREE_DEPRECATED.
4335
4336 2004-09-29  Eric Christopher  <echristo@redhat.com>
4337
4338         * fold-const.c (tree_swap_operands_p): Remove duplicated code.
4339
4340 2004-09-29  Hans-Peter Nilsson  <hp@axis.com>
4341
4342         * config/cris/cris.md (moverside, movemside): With MEM, make sure
4343         the address is (plus reg mem).
4344
4345 2004-09-29  David Edelsohn  <edelsohn@gnu.org>
4346
4347         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
4348
4349 2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>
4350
4351         * tree.c (make_node_stat): Fix uninitialized warning.  Replace
4352         cascaded if ... else if with a switch.
4353
4354 2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4355
4356         * read-rtl.c (apply_macro_to_string): Replace index with strchr.
4357
4358 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
4359
4360         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
4361         and TI_VA_LIST_FPR_COUNTER_FIELD.
4362         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
4363         * tree-pass.h (pass_stdarg): Add.
4364         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
4365         * tree-stdarg.c: New file.
4366         * Makefile.in (OBJS-common): Add tree-stdarg.o.
4367         (tree-stdarg.o): Add dependencies.
4368         * function.h (struct function): Add va_list_gpr_size and
4369         va_list_fpr_size fields.
4370         * function.c (allocate_struct_function): Initialize them.
4371
4372         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
4373         va_list_{g,f}pr_counter_field.
4374         (ix86_setup_incoming_varargs): Don't do anything if reg_save
4375         area will not be used.  Only save registers that tree-stdarg.c
4376         detected they need saving.
4377         (ix86_va_start): Don't set up fields that won't be used.
4378
4379         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
4380         va_list_{g,f}pr_counter_field.
4381         (setup_incoming_varargs): Don't do anything if reg_save
4382         area will not be used.  Only save registers that tree-stdarg.c
4383         detected they need saving.
4384         (rs6000_va_start): Don't set up fields that won't be used.
4385
4386 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
4387
4388         * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
4389         BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
4390         BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
4391         BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
4392         * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
4393         ATTR_NONNULL_1_4): New.
4394
4395 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
4396
4397         PR tree-optimization/17697
4398         * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
4399         cfg if needed.
4400
4401 2004-09-28  Per Bothner  <per@bothner.com>
4402
4403         * profile.c (branch_prob): Pass correct value to output_location,
4404         even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.
4405
4406 2004-09-28  Richard Henderson  <rth@redhat.com>
4407
4408         PR 15089
4409         * tree-ssa-copy.c (may_propagate_copy_into_asm): New.
4410         * tree-flow.h (may_propagate_copy_into_asm): Declare.
4411         * tree-ssa-ccp.c (replace_uses_in): Use it.
4412         * tree-ssa-dom.c (cprop_operand): Likewise.
4413
4414 2004-09-28 Jeff Law  <law@redhat.com>
4415
4416         * tree-ssa-threadupdate.c (create_block_for_threading):  Request
4417         that no outgoing edges be left in the duplicate block.  Do no
4418         update information on outgoing edges or PHI nodes in target
4419         blocks here.
4420         (remove_ctrl_stmt_and_useless_edges): Renamed from
4421         remove_last_stmt_and_useless_edges.  Handle case where the
4422         block is empty or has no control statements.  Do not update edge
4423         flags here.
4424         (thread_block): Create a template block rather than copying the
4425         original block every time.  Create outgoing edges from the
4426         duplicate blocks and update PHIs at the target of the outgoing
4427         edges here.  Fix edge flags for the original block if necessary.
4428         * cfghooks (duplicate_block): No longer assert that the original
4429         block has incoming edges.
4430
4431 2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>
4432
4433         * doc/extend.texi (Extended Asm): Add blurb about using Explicit
4434         Reg Vars to enforce register allocation with general constraints.
4435         (Explicit Reg Vars): Clarify relation to asm statements.
4436         (Local Reg Vars): Similar.
4437
4438 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
4439
4440         * sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
4441         TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
4442         build_control_flow, new_edge): Remove.
4443         (schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
4444         (bitlst, bitlst_table_last, bitlst_table): Remove.
4445         (bblst): Store basic_block pointer instead of block index.
4446         (bblst_table): Likewise.
4447         (edgelst): Store edge pointer instead of edge index.
4448         (edgelst_table, edgelst_last): New variables.
4449         (extract_bitlst): Rename to ...
4450         (extract_edgelst): ... this.  Return edge pointers, not indices.
4451         (split_edges): Update call.
4452         (rgn_edges): Store edge pointers instead of indices.
4453         (edge_to_bit): Remove.
4454         (EDGE_TO_BIT): Store per-region edge index in edge->aux.
4455         (SET_EDGE_TO_BIT): New macro.
4456         (is_cfg_nonregular): Check for simple cases of unreachable blocks.
4457         (find_rgns): Remove edge_list parameter.  Traverse standard CFG
4458         data structures instead of haifa_edge et al.  Use edge pointers
4459         instead of edge indices everywhere.
4460         (compute_dom_prob_ps): Use standard CFG data structures.  Account
4461         for exit edges.
4462         (compute_trg_info): Likewise.
4463         (propagate_deps): Likewise.
4464         (debug_candidate): Account for bblst data structure change.
4465         (check_live_1, update_live_1, is_pfree): Likewise.
4466         (IS_REACHABLE): Use standard CFG data structures.
4467         (init_ready_list): Update bblst_table/edgelst_table allocation.
4468         (schedule_region): Update alloc/cleanup code to data structure
4469         changes.  Use edge->aux to store per-region edge index.
4470         (init_regions): No longer call build_control_flow.  Do not
4471         create edge list any more.
4472
4473 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
4474
4475         * cse.c (cse_insn): Avoid creating direct non-local jumps.
4476         * combine.c (can_combine_p): Likewise.
4477         * local-alloc. (update_equiv_regs): Likewise.
4478
4479 2004-09-28  Richard Henderson  <rth@redhat.com>
4480
4481         PR 17531
4482         * expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
4483         Don't check VOIDmode here.  Force PLUS operands to common type.
4484         (expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
4485         Pmode if given a non pointer type.
4486
4487 2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4488
4489         PR 17531
4490         * optabs.c (expand_binop): Force constants to the correct mode.
4491
4492 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
4493
4494         * config/s390/s390.c (s390_adjust_cost): Remove.
4495         (TARGET_SCHED_ADJUST_COST): Do not redefine.
4496         (s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
4497         * config/s390/s390.md ("main_pool"): Use "larl" type
4498         attribute if TARGET_CPU_ZARCH.
4499
4500 2004-09-28  Jakub Jelinek  <jakub@redhat.com>
4501
4502         * config/ia64/ia64.c (ia64_expand_prologue): Declare ei
4503         variable.
4504
4505 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
4506
4507         * tree-ssa-loop.c (pass_record_bounds): Do not assign a
4508         name to the pass.
4509
4510 2004-09-28  Steven Bosscher  <stevenb@suse.de>
4511
4512         * common.opt (flag_gcse_sm): Disable by default.
4513         (flag_gcse_las): Likewise.
4514         (flag_web): Likewise.  Create from this file.
4515         * flags.h: Remove flag_web declaration.
4516         * toplev.c (flag_web): Likewise.
4517         (process_options): Never set flag_web.
4518
4519 2004-09-28  Steven Bosscher  <stevenb@suse.de>
4520
4521         * Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
4522         * tree-ssa-propagate.c: Include vec.h.
4523         (interesting_ssa_edges, varying_ssa_edges): Make these VECs
4524         instead of varrays.
4525         (cfg_blocks_add): Assert the block is not already in the worklist.
4526         Update uses of interesting_ssa_edges and varying_ssa_edges.
4527         (process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
4528         ssa_propagate): Likewise.
4529
4530 2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>
4531
4532         PR c/16409
4533         * c-decl.c (start_decl): Check for initializing incomplete array
4534         of VLAs.
4535         (build_compound_literal): Check for TYPE being error_mark_node.
4536         * c-parse.in (primary): Check for VLA compound literals.
4537
4538 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
4539
4540         * tree-ssa-live.c (calculate_live_on_entry): Fix warnings
4541         with --disable-checking.
4542
4543 2004-09-28  Devang Patel  <dpatel@apple.com>
4544
4545         * tree-pretty-print.c (dump_generic_node): Print vector types.
4546
4547 2004-09-28  Nick Clifton  <nickc@redhat.com>
4548
4549         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
4550         invocation of the function sh_init_cumulative_args.
4551         (INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
4552         (INIT_CUMULATIVE_INCOMING_ARGS): Delete.
4553         * config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
4554         * config/sh/sh.c (sh_init_cumulative_args): New function based
4555         on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
4556         heuristic added to determine the setting of force_mem when a
4557         library function is being called.
4558
4559 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
4560
4561         * tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
4562         Skip constant arguments.
4563
4564 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
4565
4566         * tree-ssa-alias.c (create_name_tags): If PTR points to a
4567         volatile type, mark the tag volatile.
4568         (get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
4569         volatile.
4570
4571 2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>
4572
4573         * tree.def (vec_cond_expr): Fix. Change 'e'
4574         to tcc_expression.
4575
4576 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
4577
4578         * basic-block.h: Fix a comment typo.
4579
4580 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
4581
4582         * optabs.c, optabs.h: Fix comment typos.
4583
4584 2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>
4585
4586         * config/sparc/sparc.md (call_address_struct_value_sp32):
4587         Properly mask the immediate field of the 'unimp' instruction.
4588         (call_symbolic_struct_value_sp32): Likewise.
4589
4590 2004-09-28  Ben Elliston  <bje@au.ibm.com>
4591             Steven Bosscher  <stevenb@suse.de>
4592             Andrew Pinski  <pinskia@physics.uc.edu>
4593
4594         Merge from edge-vector-branch:
4595         * basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
4596         (struct edge_def): Remove pred_next, succ_next members.
4597         (struct basic_block_def): Remove pred, succ members.  Add preds
4598         and succs members of type VEC(edge).
4599         (FALLTHRU_EDGE): Redefine using EDGE_SUCC.
4600         (BRANCH_EDGE): Likewise.
4601         (EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
4602         (EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
4603         (edge_iterator): New.
4604         (ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
4605         (ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
4606         (FOR_EACH_EDGE): New.
4607         * bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
4608         where applicable.
4609         (rotate_loop): Likewise.
4610         (find_traces_1_route): Likewise.
4611         (bb_to_key): Likewise.
4612         (connect_traces): Likewise.
4613         (copy_bb_p): Likewise.
4614         (find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
4615         (add_labels_and_missing_jumps): Likewise.
4616         (fix_up_fall_thru_edges): Likewise.
4617         (find_jump_block): Likewise.
4618         (fix_crossing_conditional_branches): Likewise.
4619         (fix_crossing_unconditional_branches): Likewise.
4620         (add_reg_crossing_jump_notes): Likewise.
4621         * bt-load.c (augment_live_range): Likewise.
4622         * cfg.c (clear_edges): Likewise.
4623         (unchecked_make_edge): Likewise.
4624         (cached_make_edge): Likewise.
4625         (make_single_succ_edge): Likewise.
4626         (remove_edge): Likewise.
4627         (redirect_edge_succ_nodup): Likewise.
4628         (check_bb_profile): Likewise.
4629         (dump_flow_info): Likewise.
4630         (alloc_aux_for_edges): Likewise.
4631         (clear_aux_for_edges): Likewise.
4632         (dump_cfg_bb_info): Likewise.
4633         * cfganal.c (forwarder_block_p): Likewise.
4634         (can_fallthru): Likewise.
4635         (could_fall_through): Likewise.
4636         (mark_dfs_back_edges): Likewise.
4637         (set_edge_can_fallthru_flag): Likewise.
4638         (find_unreachable_blocks): Likewise.
4639         (create_edge_list): Likewise.
4640         (verify_edge_list): Likewise.
4641         (add_noreturn_fake_exit_edges): Likewise.
4642         (connect_infinite_loops_to_exit): Likewise.
4643         (flow_reverse_top_sort_order_compute): Likewise.
4644         (flow_depth_first_order_compute): Likewise.
4645         (flow_preorder_transversal_compute): Likewise.
4646         (flow_dfs_compute_reverse_execute): Likewise.
4647         (dfs_enumerate_from): Likewise.
4648         (compute_dominance_frontiers_1): Likewise.
4649         * cfgbuild.c (make_edges): Likewise.
4650         (compute_outgoing_frequencies): Likewise.
4651         (find_many_sub_basic_blocks): Likewise.
4652         (find_sub_basic_blocks): Likewise.
4653         * cfgcleanup.c (try_simplify_condjump): Likewise.
4654         (thread_jump): Likewise.
4655         (try_forward_edges): Likewise.
4656         (merge_blocks_move): Likewise.
4657         (outgoing_edges_match): Likewise.
4658         (try_crossjump_to_edge): Likewise.
4659         (try_crossjump_bb): Likewise.
4660         (try_optimize_cfg): Likewise.
4661         (merge_seq_blocks): Likewise.
4662         * cfgexpand.c (expand_gimple_tailcall): Likewise.
4663         (expand_gimple_basic_block): Likewise.
4664         (construct_init_block): Likewise.
4665         (construct_exit_block): Likewise.
4666         * cfghooks.c (verify_flow_info): Likewise.
4667         (dump_bb): Likewise.
4668         (delete_basic_block): Likewise.
4669         (split_edge): Likewise.
4670         (merge_blocks): Likewise.
4671         (make_forwarder_block): Likewise.
4672         (tidy_fallthru_edges): Likewise.
4673         (can_duplicate_block_p): Likewise.
4674         (duplicate_block): Likewise.
4675         * cfglayout.c (fixup_reorder_chain): Likewise.
4676         (fixup_fallthru_exit_predecessor): Likewise.
4677         (can_copy_bbs_p): Likewise.
4678         (copy_bbs): Likewise.
4679         * cfgloop.c (flow_loops_cfg_dump): Likewise.
4680         (flow_loop_entry_edges_find): Likewise.
4681         (flow_loop_exit_edges_find): Likewise.
4682         (flow_loop_nodes_find): Likewise.
4683         (mark_single_exit_loops): Likewise.
4684         (flow_loop_pre_header_scan): Likewise.
4685         (flow_loop_pre_header_find): Likewise.
4686         (update_latch_info): Likewise.
4687         (canonicalize_loop_headers): Likewise.
4688         (flow_loops_find): Likewise.
4689         (get_loop_body_in_bfs_order): Likewise.
4690         (get_loop_exit_edges): Likewise.
4691         (num_loop_branches): Likewise.
4692         (verify_loop_structure): Likewise.
4693         (loop_latch_edge): Likewise.
4694         (loop_preheader_edge): Likewise.
4695         * cfgloopanal.c (mark_irreducible_loops): Likewise.
4696         (expected_loop_iterations): Likewise.
4697         * cfgloopmanip.c (remove_bbs): Likewise.
4698         (fix_bb_placement): Likewise.
4699         (fix_irreducible_loops): Likewise.
4700         (remove_path): Likewise.
4701         (scale_bbs_frequencies): Likewise.
4702         (loopify): Likewise.
4703         (unloop): Likewise.
4704         (fix_loop_placement): Likewise.
4705         (loop_delete_branch_edge): Likewise.
4706         (duplicate_loop_to_header_edge): Likewise.
4707         (mfb_keep_just): Likewise.
4708         (create_preheader): Likewise.
4709         (force_single_succ_latches): Likewise.
4710         (loop_split_edge_with): Likewise.
4711         (create_loop_notes): Likewise.
4712         * cfgrtl.c (rtl_split_block): Likewise.
4713         (rtl_merge_blocks): Likewise.
4714         (rtl_can_merge_blocks): Likewise.
4715         (try_redirect_by_replacing_jump): Likewise.
4716         (force_nonfallthru_and_redirect): Likewise.
4717         (rtl_tidy_fallthru_edge): Likewise.
4718         (commit_one_edge_insertion): Likewise.
4719         (commit_edge_insertions): Likewise.
4720         (commit_edge_insertions_watch_calls): Likewise.
4721         (rtl_verify_flow_info_1): Likewise.
4722         (rtl_verify_flow_info): Likewise.
4723         (purge_dead_edges): Likewise.
4724         (cfg_layout_redirect_edge_and_branch): Likewise.
4725         (cfg_layout_can_merge_blocks_p): Likewise.
4726         (rtl_flow_call_edges_add): Likewise.
4727         * cse.c (cse_cc_succs): Likewise.
4728         * df.c (hybrid_search): Likewise.
4729         * dominance.c (calc_dfs_tree_nonrec): Likewise.
4730         (calc_dfs_tree): Likewise.
4731         (calc_idoms): Likewise.
4732         (recount_dominator): Likewise.
4733         * domwalk.c (walk_dominator_tree): Likewise.
4734         * except.c (emit_to_new_bb_before): Likewise.
4735         (connect_post_landing_pads): Likewise.
4736         (sjlj_emit_function_enter): Likewise.
4737         (sjlj_emit_function_exit): Likewise.
4738         (finish_eh_generation): Likewise.
4739         * final.c (compute_alignments): Likewise.
4740         * flow.c (calculate_global_regs_live): Likewise.
4741         (initialize_uninitialized_subregs): Likewise.
4742         (init_propagate_block_info): Likewise.
4743         * function.c (thread_prologue_and_epilogue_insns): Likewise.
4744         * gcse.c (find_implicit_sets): Likewise.
4745         (bypass_block): Likewise.
4746         (bypass_conditional_jumps): Likewise.
4747         (compute_pre_data): Likewise.
4748         (insert_insn_end_bb): Likewise.
4749         (insert_store): Likewise.
4750         (remove_reachable_equiv_notes): Likewise.
4751         * global.c (global_conflicts): Likewise.
4752         (calculate_reg_pav): Likewise.
4753         * graph.c (print_rtl_graph_with_bb): Likewise.
4754         * ifcvt.c (mark_loop_exit_edges): Likewise.
4755         (merge_if_block): Likewise.
4756         (find_if_header): Likewise.
4757         (block_jumps_and_fallthru_p): Likewise.
4758         (find_if_block): Likewise.
4759         (find_cond_trap): Likewise.
4760         (block_has_only_trap): Likewise.
4761         (find_if_case1): Likewise.
4762         (find_if_case_2): Likewise.
4763         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
4764         (perfect_nestify): Likewise.
4765         * lcm.c (compute_antinout_edge): Likewise.
4766         (compute_laterin): Likewise.
4767         (compute_available): Likewise.
4768         (compute_nearerout): Likewise.
4769         * loop-doloop.c (doloop_modify): Likewise.
4770         * loop-init.c (loop_optimizer_init): Likewise.
4771         * loop-invariant.c (find_exits): Likewise.
4772         * loop-iv.c (simplify_using_initial_values): Likewise.
4773         (check_simple_exit): Likewise.
4774         (find_simple_exit): Likewise.
4775         * loop-unroll.c (peel_loop_completely): Likewise.
4776         (unroll_loop_constant_iterations): Likewise.
4777         (unroll_loop_runtime_iterations): Likewise.
4778         * loop-unswitch.c (may_unswitch_on): Likewise.
4779         (unswitch_loop): Likewise.
4780         * modulo-sched.c (generate_prolog_epilog): Likewise.
4781         (sms_schedule): Likewise.
4782         * postreload-gcse.c (eliminate_partially_redundant_load):
4783         Likewise.
4784         * predict.c (can_predict_insn_p): Likewise.
4785         (set_even_probabilities): Likewise.
4786         (combine_predictions_for_bb): Likewise.
4787         (predict_loops): Likewise.
4788         (estimate_probability): Likewise.
4789         (tree_predict_by_opcode): Likewise.
4790         (tree_estimate_probability): Likewise.
4791         (last_basic_block_p): Likewise.
4792         (propagate_freq): Likewise.
4793         (estimate_loops_at_level): Likewise.
4794         (estimate_bb_frequencies): Likewise.
4795         * profile.c (instrument_edges): Likewise.
4796         (get_exec_counts): Likewise.
4797         (compute_branch_probabilities): Likewise.
4798         (branch_prob): Likewise.
4799         * ra-build.c (live_in): Likewise.
4800         * ra-rewrite.c (rewrite_program2): Likewise.
4801         * ra.c (reg_alloc): Likewise.
4802         * reg-stack.c (reg_to_stack): Likewise.
4803         (convert_regs_entry): Likewise.
4804         (compensate_edge): Likewise.
4805         (convert_regs_1): Likewise,
4806         (convert_regs_2): Likewise.
4807         (convert_regs): Likewise.
4808         * regrename.c (copyprop_hardreg_forward): Likewise.
4809         * reload1.c (fixup_abnormal_edges): Likewise.
4810         * sbitmap.c (sbitmap_intersection_of_succs): Likewise.
4811         (sbitmap_insersection_of_preds): Likewise.
4812         (sbitmap_union_of_succs): Likewise.
4813         (sbitmap_union_of_preds): Likewise.
4814         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
4815         (fix_basic_block_boundaries): Likewise.
4816         (sched_ebbs): Likewise.
4817         * sched-rgn.c (build_control_flow): Likewise.
4818         (find_rgns): Likewise.
4819         * tracer.c (find_best_successor): Likewise.
4820         (find_best_predecessor): Likewise.
4821         (tail_duplicate): Likewise.
4822         * tree-cfg.c (make_edges): Likewise.
4823         (make_ctrl_stmt_edges): Likewise.
4824         (make_goto_expr_edges): Likewise.
4825         (tree_can_merge_blocks_p): Likewise.
4826         (tree_merge_blocks): Likewise.
4827         (cfg_remove_useless_stmts_bb): Likewise.
4828         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
4829         (tree_block_forwards_to): Likewise.
4830         (cleanup_control_expr_graph): Likewise.
4831         (find_taken_edge): Likewise.
4832         (dump_cfg_stats): Likewise.
4833         (tree_cfg2vcg): Likewise.
4834         (disband_implicit_edges): Likewise.
4835         (tree_find_edge_insert_loc): Likewise.
4836         (bsi_commit_edge_inserts): Likewise.
4837         (tree_split_edge): Likewise.
4838         (tree_verify_flow_info): Likewise.
4839         (tree_make_forwarder_block): Likewise.
4840         (tree_forwarder_block_p): Likewise.
4841         (thread_jumps): Likewise.
4842         (tree_try_redirect_by_replacing_jump): Likewise.
4843         (tree_split_block): Likewise.
4844         (add_phi_args_after_copy_bb): Likewise.
4845         (rewrite_to_new_ssa_names_bb): Likewise.
4846         (dump_function_to_file): Likewise.
4847         (print_pred_bbs): Likewise.
4848         (print_loop): Likewise.
4849         (tree_flow_call_edges_add): Likewise.
4850         (split_critical_edges): Likewise.
4851         (execute_warn_function_return): Likewise.
4852         (extract_true_false_edges_from_block): Likewise.
4853         * tree-if-conv.c (tree_if_conversion): Likewise.
4854         (if_convertable_bb_p): Likewise.
4855         (find_phi_replacement_condition): Likewise.
4856         (combine_blocks): Likewise.
4857         * tree-into-ssa.c (compute_global_livein): Likewise.
4858         (ssa_mark_phi_uses): Likewise.
4859         (ssa_rewrite_initialize_block): Likewise.
4860         (rewrite_add_phi_arguments): Likewise.
4861         (ssa_rewrite_phi_arguments): Likewise.
4862         (insert_phi_nodes_for): Likewise.
4863         (rewrite_into_ssa): Likewise.
4864         (rewrite_ssa_into_ssa): Likewise.
4865         * tree-mudflap.c (mf_build_check_statement_for): Likewise.
4866         * tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
4867         (rewrite_trees): Likewise.
4868         * tree-pretty-print.c (dump_bb_header): Likewise.
4869         (dump_implicit_edges): Likewise.
4870         * tree-sra.c (insert_edge_copies): Likewise.
4871         (find_obviously_necessary_stmts): Likewise.
4872         (remove_data_stmt): Likewise.
4873         * tree-ssa-dom.c (thread_across_edge): Likewise.
4874         (dom_opt_finalize_block): Likewise.
4875         (single_incoming_edge_ignoring_loop_edges): Likewise.
4876         (record_equivalences_from_incoming_edges): Likewise.
4877         (cprop_into_successor_phis): Likewise.
4878         * tree-ssa-live.c (live_worklist): Likewise.
4879         (calculate_live_on_entry): Likewise.
4880         (calculate_live_on_exit): Likewise.
4881         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
4882         (copy_loop_headers): Likewise.
4883         * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
4884         (fill_always_executed_in): Likewise.
4885         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
4886         * tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
4887         (compute_phi_arg_on_exit): Likewise.
4888         * tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
4889         (get_loops_exit): Likewise.
4890         (split_loop_exit_edge): Likewise.
4891         (ip_normal_pos): Likewise.
4892         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4893         Likewise.
4894         * tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
4895         (replace_phi_with_stmt): Likewise.
4896         (value_replacement): Likewise.
4897         * tree-ssa-pre.c (compute_antic_aux): Likewise.
4898         (insert_aux): Likewise.
4899         (init_pre): Likewise.
4900         * tree-ssa-propagate.c (simulate_stmt): Likewise.
4901         (simulate_block): Likewise.
4902         (ssa_prop_init): Likewise.
4903         * tree-ssa-threadupdate.c (thread_block): Likewise.
4904         (create_block_for_threading): Likewise.
4905         (remove_last_stmt_and_useless_edges): Likewise.
4906         * tree-ssa.c (verify_phi_args): Likewise.
4907         (verify_ssa): Likewise.
4908         * tree_tailcall.c (independent_of_stmt_p): Likewise.
4909         (find_tail_calls): Likewise.
4910         (eliminate_tail_call): Likewise.
4911         (tree_optimize_tail_calls_1): Likewise.
4912         * tree-vectorizer.c (vect_transform_loop): Likewise.
4913         * var-tracking.c (prologue_stack_adjust): Likewise.
4914         (vt_stack_adjustments): Likewise.
4915         (vt_find_locations): Likewise.
4916         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
4917         * config/i386/i386.c (ix86_pad_returns): Likewise.
4918         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
4919         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
4920
4921 2004-09-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
4922
4923         PR target/16532
4924         * config/sparc/sparc.c (struct machine_function): New field
4925         'leaf_function_p' and 'prologue_data_valid_p'.
4926         (sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
4927         to conveniently access the above fields.
4928         (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
4929         (eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
4930         of the generic flavor 'current_function_uses_only_leaf_regs'.
4931         (eligible_for_sibcall_delay): Likewise.
4932         (sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
4933         'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
4934         (sparc_asm_function_prologue): Add sanity check for the assumption
4935         made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
4936         (sparc_can_use_return_insn_p): New function.
4937         (sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
4938         (output_restore): Likewise.
4939         (output_sibcall): Likewise.
4940         (sparc_output_mi_thunk): Likewise.
4941         * config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
4942         * config/sparc/sparc.md (return): New expander.
4943
4944         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.
4945
4946 2004-09-27  Mark Mitchell  <mark@codesourcery.com>
4947
4948         PR c++/17642
4949         * stor-layout.c (layout_decl): Use fold_convert, not convert.
4950         (bit_from_pos): Likewise.
4951         (byte_from_pos): Likewise.
4952         (pos_from_bit): Likewise.
4953         (normalize_offset): Likewise.
4954         (place_field): Likewise.
4955         (finalize_type_size): Likewise.
4956         (layout_type): Likewise.
4957         * tree.c (build_index_type): Likewise.
4958
4959 2004-09-27  Devang Patel  <dpatel@apple.com>
4960
4961         * expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
4962         * genopinit.c (optabs): New entry for vcond_gen_code and
4963         vcondu_gen_code.
4964         * optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
4965         (get_rtx_code): New function.
4966         (vector_compare_rtx): New function.
4967         (init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
4968         (expand_vec_cond_expr_p): New function.
4969         (expand_vec_cond_expr): New function.
4970         (get_vcond_icode): New function.
4971         * optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
4972         (vcond_gen_code, vcondu_gen_code): Same.
4973
4974 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
4975
4976         * Makefile.in (STAGESTUFF): Split into ...
4977         (STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
4978         (mostlyclean): Update.
4979         (stage1-start, stage2-start, stage3-start, stage4-start,
4980         stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
4981         Move the STAGEMOVESTUFF.
4982
4983 2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4984
4985         * system.h (getpagesize): Return 'int' instead of 'long'.
4986
4987 2004-09-27  Michael Matz <matz@suse.de>
4988
4989         PR bootstrap/17698
4990         PR bootstrap/17702
4991         * bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
4992         bmp_iter_and_init): Shift by bit_in_word.
4993
4994 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
4995
4996         * aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
4997         * configure.ac: Don't sinclude it here.
4998         * configure: Regenerate.
4999
5000 2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>
5001
5002         * config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
5003         Handle AND pattern
5004
5005 2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>
5006
5007         PR c/13804
5008         * c-typeck.c (build_component_ref): Name type involved in
5009         diagnostic for structure or union without a member of the given
5010         name.
5011
5012 2004-09-27  DJ Delorie  <dj@redhat.com>
5013
5014         * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
5015         .comm alignment is bytes, not bits.
5016
5017 2004-09-27  Devang Patel  <dpatel@apple.com>
5018
5019         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
5020         (print_call_name): Do not print VEC_COND_EXPR.
5021
5022 2004-09-27  Devang Patel  <dpatel@apple.com>
5023
5024         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
5025
5026 2004-09-27  Jan Hubicka  <jh@suse.cz>
5027
5028         * i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.
5029
5030 2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>
5031
5032         * bitmap.h: Fix a comment typo.
5033
5034 2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
5035
5036         * libgcc2.c (getpagesize): Change type of return value to int.
5037
5038 2004-09-26  Matt Austern  <austern@apple.com>
5039
5040         * ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
5041         using mmap.
5042
5043 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5044
5045         * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
5046         EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
5047         (bitmap_iterator): New type.
5048         (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
5049         bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
5050         bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
5051         bmp_iter_and_init, bmp_iter_and_next): New functions.
5052         * basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
5053         EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
5054         use iterator-style EXECUTE_IF_IN_BITMAP macros.
5055         * bitmap.c (bitmap_print): Ditto.
5056         * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
5057         btr_def_live_range): Ditto.
5058         * cfganal.c (compute_dominance_frontiers_1) Ditto.
5059         * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
5060         Ditto.
5061         * ddg.c (build_inter_loop_deps): Ditto.
5062         * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
5063         Ditto.
5064         * except.c (remove_eh_handler): Ditto.
5065         * flow.c (reg_set_to_hard_reg_set): Ditto.
5066         * gcse.c (clear_modify_mem_tables): Ditto.
5067         * global.c (build_insn_chain): Ditto.
5068         * ifcvt.c (dead_or_predicable): Ditto.
5069         * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
5070         Ditto.
5071         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
5072         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
5073         detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
5074         * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
5075         tree_purge_all_dead_eh_edges): Ditto.
5076         * tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
5077         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
5078         rewrite_ssa_into_ssa): Ditto.
5079         * tree-outof-ssa.c (find_replaceable_exprs): Ditto.
5080         * tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
5081         Ditto.
5082         * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
5083         compute_flow_sensitive_aliasing, maybe_create_global_var,
5084         dump_points_to_info_for): Ditto.
5085         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
5086         * tree-ssa-dse.c (dse_finalize_block): Ditto.
5087         * tree-ssa-live.c (live_worklist, calculate_live_on_entry,
5088         calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
5089         Ditto.
5090         * tree-ssa-loop-ivopts.c (find_induction_variables,
5091         find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
5092         determine_use_iv_costs, determine_set_costs, find_best_candidate,
5093         set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
5094         Ditto.
5095         * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
5096         * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
5097         add_call_read_ops): Ditto.
5098         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.
5099
5100 2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5101
5102         * pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
5103         UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.
5104
5105 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
5106
5107         * builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
5108         reflect size of memory regions being compared.
5109
5110 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
5111
5112         * builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
5113         expressions.  Always clear MEM_SIZE and alias set.
5114
5115 2004-09-26  Roger Sayle  <roger@eyesopen.com>
5116             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
5117
5118         PR middle-end/17112
5119         * stor-layout.c (compute_record_mode): For records with a single
5120         field, only use the field's mode if its size matches what we'd
5121         have choosen for the record ourselves.  This forces the use of
5122         BLKmode for packed records that don't completely fill a mode.
5123
5124 2004-09-26  Roger Sayle  <roger@eyesopen.com>
5125
5126         PR middle-end/17151
5127         * combine.c (force_to_mode): Remove dubious early return test that
5128         inhibits further optimization.
5129
5130 2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>
5131
5132         * profile.c: Fix a comment typo.
5133
5134 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5135
5136         PR bootstrap/17591
5137         * tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
5138         with varying offset.
5139         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
5140         (idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
5141         ARRAY_REFS.
5142         (expr_invariant_in_loop_p): New function.
5143         (idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
5144         component_ref_field_offset for COMPONENT_REFs.  Do not allow
5145         ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
5146         (add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
5147         MISALIGNED_INDIRECT_REFs.
5148         (idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
5149         (rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
5150         MISALIGNED_INDIRECT_REFs.
5151
5152 2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>
5153
5154         PR c/11459
5155         * gcc.c (cpp_options, cc1_options): Preserve relative order of
5156         -std and -ansi options.
5157
5158 2004-09-26  Jan Hubicka  <jh@suse.cz>
5159
5160         * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
5161         for nested functions whose proper parent has not been output.
5162
5163         * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
5164         when re-constructing profile previously invalidated by loop.
5165
5166 2004-09-25  Dale Johannesen  <dalej@apple.com>
5167
5168         * tree-gimple.c:  Move GIMPLE definition...
5169         * doc/tree-ssa.texi:  here.
5170
5171 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
5172
5173         * tree-vectorizer.c: Fix a comment typo.
5174
5175 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
5176
5177         * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
5178         gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
5179         lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
5180         tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.
5181
5182 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
5183
5184         * tree-ssa-loop-unswitch.c: Fix a comment typo.
5185
5186 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
5187
5188         * doc/passes.texi: Fix a typo.
5189
5190 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5191
5192         * tree-optimize.c (init_tree_optimization_passes): Add
5193         pass_record_bounds.
5194         * tree-pass.h (pass_record_bounds): Declare.
5195         * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
5196         New pass.
5197
5198 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5199
5200         PR tree-optimization/17474
5201         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
5202         offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.
5203
5204 2004-09-25  Jan Hubicka  <jh@suse.cz>
5205
5206         * predict.c (counts_to_freqs): Make global.
5207         * predict.h (counts_to_freqa): Declare.
5208         * profile.c (compute_branch_probabilities): Compute frequencies
5209         * tree-profile.c (do_tree_profiling): Refine conditional on when
5210         tree profiling pass is needed.
5211
5212         * passes.c (rest_of_handle_cfg): Disable const/pure function
5213         detection when doing tree based profiling.
5214
5215         * tree-inline.c (expand_call_inline): Fix incorrectly reversed
5216         conditional.
5217
5218 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
5219
5220         * config/mips/mips.h (struct mips_args): Clarify comments.
5221         * config/mips/mips.c (struct mips_arg_info): Likewise.
5222         (mips_arg_info): Don't allow fpr_p to affect the register or
5223         stack alignment.  Remove o64 silliness.
5224         (function_arg): Deal with the o32 float,float case specially.
5225
5226 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
5227
5228         * config/mips/mips.md (loadx, storex): Define for V2SF.
5229
5230 2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>
5231
5232         * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
5233         * config/s390/s390.c (s390_back_chain_rtx): New function.
5234         * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
5235         Call anti_adjust_stack.
5236         ("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
5237         only if compiling with back chain.
5238         ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
5239         back chain only if back chain enabled.  Use s390_back_chain_rtx.
5240
5241 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5242
5243         * doc/trouble.texi: Remove obsolete information.  Update
5244         information on how to regenerate fixincluded headers.
5245
5246 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
5247
5248         PR c/12951
5249         * doc/invoke.texi: Document that
5250         -Wno-error-implicit-function-declaration is not accepted.
5251
5252 2004-09-24  Richard Henderson  <rth@redhat.com>
5253
5254         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
5255         * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
5256         on TARGET_MAX.
5257         (alpha_expand_mov): Allow unaligned vectors.
5258         (alpha_expand_unaligned_store): Use CONST0_RTX.
5259         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.
5260
5261 2004-09-24 Jeff Law  <law@redhat.com>
5262
5263         * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
5264         aliasing rules.
5265         (simplify_cond_and_lookup_avail_expr): Likewise.
5266
5267 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
5268
5269         PR c/12802
5270         * doc/extend.texi (Unnamed Fields): Remove "." from end of long
5271         title.  Document interaction with -fms-extensions.
5272         * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
5273         section.
5274
5275 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
5276
5277         PR c/12713
5278         * doc/extend.texi: Document interaction of attribute noreturn and
5279         longjmp.
5280
5281 2004-09-24  Richard Henderson  <rth@redhat.com>
5282
5283         PR rtl-opt/17503
5284         * regclass.c (subregs_of_mode): Turn into an htab.  Make static.
5285         (som_hash, som_eq): New.
5286         (init_subregs_of_mode, record_subregs_of_mode): New.
5287         (cannot_change_mode_set_regs): Rewrite for htab implementation.
5288         (invalid_mode_change_p): Likewise.
5289         * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
5290         * flow.c (mark_used_regs): Likewise.
5291         (life_analysis): Use init_subregs_of_mode.
5292         * regs.h (subregs_of_mode): Remove.
5293         * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.
5294
5295 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
5296
5297         * tree-ssa-phiopt.c (conditional_replacement): Use the correct
5298         type with the copy of the conditional.
5299
5300 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
5301
5302         PR tree-opt/16954
5303         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
5304         Prevent renaming if the aliasing sets of the type which the
5305         pointer points to are different.
5306
5307 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
5308
5309         PR c/17188
5310         * c-decl.c (diagnose_mismatched_decls): Check for duplicate
5311         declarations of enumerators.
5312         (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
5313         for redefinition.  Check for nested redefinition.
5314         (finish_struct): Don't check for nested redefinition.
5315         (start_enum): Check for nested redefinition.
5316
5317 2004-09-24  Devang Patel  <dpatel@apple.com>
5318
5319         * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
5320         only when necesssary.
5321         (combine_blocks): Combine loop header and exit block.
5322
5323 2004-09-24  Paolo Bonzini  <bonzini@gnu.org>
5324
5325         * hooks.c (hook_tree_tree_bool_null): New.
5326         * hooks.h (hook_tree_tree_bool_null): Declare it.
5327         * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
5328         * targhooks.c (default_fold_builtin): Remove.
5329         * targhooks.h (default_fold_builtin): Remove.
5330
5331 2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5332
5333         PR rtl-optimization/17625
5334         * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.
5335
5336 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
5337
5338         PR tree-opt/17624
5339         * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
5340         Reject if any of the operands occur in an abnormal PHI.
5341
5342 2004-09-24  Andreas Schwab  <schwab@suse.de>
5343
5344         * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
5345         rules.
5346
5347 2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
5348
5349         * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
5350         if the GNU assembler is used.
5351         (sparc-*-solaris2*): Likewise.
5352         * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
5353         (dbxout_function_end): Protect N_ENSYM with it.
5354         (dbxout_begin_prologue): Protect N_BNSYM with it.
5355         * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
5356         * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
5357         * config/sparc/sol2-gas.h: New file.
5358
5359 2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>
5360
5361         PR bootstrap/17369
5362         * Makefile.in (@set_gcc_lib_path@): Added.
5363
5364         * configure.ac: Include ../config/gcc-lib-path.m4. Use
5365         TL_AC_GNU_MAKE_GCC_LIB_PATH.
5366         * configure: Regenerated.
5367
5368 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
5369
5370         PR c/6980
5371         * c-typeck.c (build_c_cast): Improve wording of
5372         -Wbad-function-cast diagnostic.
5373
5374 2004-09-23  Hans-Peter Nilsson  <hp@axis.com>
5375
5376         PR target/17626
5377         * config/cris/cris.md (moverside, movemside): Rename variable
5378         "reg" to "otherop".  To generate canonical RTX, check that otherop
5379         isn't constant instead of checking that operand 1 is a register.
5380
5381 2004-09-23  Jakub Jelinek  <jakub@redhat.com>
5382
5383         * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
5384
5385 2004-09-23  Diego Novillo  <dnovillo@redhat.com>
5386             Jakub Jelinek  <jakub@redhat.com>
5387
5388         * tree-flow.h (find_new_referenced_vars): Add prototype.
5389         * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
5390         Move to...
5391         * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
5392         ... here.
5393         (mark_new_vars_to_rename): Walk through all operands.
5394         * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
5395         (execute_fold_all_builtins): Use it.
5396         (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.
5397
5398 2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>
5399
5400         * gthr-tpf.h: New file.
5401         * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
5402         * gthr.h: Use gthr-tpf.h on TPF OS.
5403
5404 2004-09-23 Jeff Law  <law@redhat.com>
5405
5406         * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
5407         than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
5408         (substitute_and_fold):  Likewise.
5409         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
5410         except invariants from SSA_NAME_VALUE.
5411         (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
5412         and SET_SSA_NAME_EQUIV.
5413         (restore_vars_to_original_value, record_const_or_copy): Likewise.
5414         (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
5415         (record_equality, cprop_into_successor_phis): Likewise.
5416         (record_equivalences_from_stmt, cprop_operand): Likewise.
5417         (lookup_avail_expr): Likewise.
5418         * tree-ssa-pre.c (fini_pre): Remove everything except invariants
5419         from SSA_NAME_VALUE.
5420         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
5421         (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
5422         annotation from the VALUE_HANDLE field.
5423
5424 2004-09-21 Fariborz Jahanian <fjahanian@apple.com>
5425
5426         PR c++/13989
5427         PR c++/9844
5428         * tree.c (reconstruct_complex_type): Remove extra "this".
5429         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
5430         Add V4SFmode to case statement.
5431
5432 2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>
5433
5434         PR c/16833
5435         * doc/extend.texi, doc/invoke.texi: Document interaction of
5436         -fno-builtin with format checks.  Note that built-in functions
5437         have effects beyond generating code that avoids calls to those
5438         functions.
5439
5440 2004-09-23  Frank Ch. Eigler <fche@redhat.com>
5441
5442         PR tree-optimization/17533
5443         * dominance.c (verify_dominators): Tolerate even more incorrect
5444         dominance data during error message printing.
5445         * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
5446         and edges more correctly.
5447
5448 2004-09-23  Dorit Naishlos <dorit@il.ibm.com>
5449
5450         * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
5451         New tree-codes.
5452         * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
5453         MISALIGNED_INDIRECT_REF.
5454         * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
5455         * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
5456         Likewise.
5457         * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
5458         (find_interesting_uses_address): Likewise.
5459         * fold-const.c (non_lvalue, operand_equal_p): Likewise.
5460         (build_fold_addr_expr_with_type): Likewise.
5461         * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
5462         * print-rtl.c (print_mem_expr): Likewise.
5463         * tree-dump.c (dequeue_and_dump): Likewise.
5464         * tree-eh.c (tree_could_trap_p): Likewise.
5465         * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
5466         * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
5467         * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
5468         Likewise.
5469         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
5470         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5471         * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
5472         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
5473         (add_address_candidates, rewrite_address_base): Likewise.
5474         * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
5475         Likewise.
5476         * tree.c (staticp, build1_stat): Likewise.
5477
5478         * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
5479         * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
5480         * tree-ssa-operands.c (get_expr_operands): Likewise.
5481         * expr.c (expand_expr_real_1): Likewise.
5482
5483         * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
5484         optabs.
5485         (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
5486         for the new optabs.
5487         (expand_ternary_op): New function.
5488         * genopinit.c (optabs): Handle the new optabs.
5489         * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
5490         (init_optabs): Initialize vec_realign_load_optab.
5491         (expand_ternary_op): New functions.
5492
5493         * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
5494         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
5495         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
5496         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
5497         * target.h (struct vectorize): New member for struct gcc_target.
5498         (misaligned_mem_ok): New member for targetm.vectorize.
5499         (builtin_mask_for_load): Likewise.
5500         (builtin_mask_for_store): Likewise.
5501         * targethooks.c (default_vect_misaligned_mem_ok): New function.
5502         * targethooks.h (default_vect_misaligned_mem_ok): New function.
5503
5504         * config/rs6000/altivec.md (build_vector_mask_for_load): New
5505         define_expand.
5506         (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
5507         (vec_realign_load_v16qi): New define_insn.
5508         * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
5509         (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
5510         * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
5511         (altivec_builtin_mask_for_store): New variables.
5512         (rs6000_builtin_mask_for_load): New function. Implements
5513         TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
5514         (rs6000_builtin_mask_for_store): New function. Implements
5515         TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
5516         (rs6000_expand_builtin): Expand the target builtins
5517         builtin_mask_for_load and builtin_mask_for_store.
5518         (altivec_init_builtins): Initialize the new target builtins.
5519         * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
5520         Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.
5521
5522         * tree-vectorizer.c (vect_create_data_ref): Renamed to
5523         vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
5524         (vect_create_addr_base_for_vector_ref): Additional argument (offset).
5525         (vectorizable_store): Call vect_create_data_ref_ptr with additional
5526         arguments, and create an indirect_ref with its return value data_ref.
5527         Check aligned_access_p.
5528         (vectorizable_load): Handle misaligned loads, using software-pipelined
5529         scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
5530         vec_realign_load_optab is supported, or using a scheme without
5531         software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
5532         misaligned_mem_ok is supported.
5533
5534         (vect_finish_stmt_generation): Typo.
5535         (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
5536         (vect_analyze_data_refs_alignment): Don't fail vectorization in the
5537         presence of misaligned loads.
5538         (vect_analyze_data_ref_access): Add check for constant init.
5539         (vect_get_symbl_and_dr): Remove duplicate line.
5540         * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.
5541
5542 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
5543
5544         * builtins.c: Fix a comment typo.
5545
5546 2004-09-23  Jan Hubicka  <jh@suse.cz>
5547
5548         * profile.c (branch_prob): Do not verify flow info in the middle of the
5549         pass.
5550
5551 2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5552
5553         * cfgloop.h (update_single_exits_after_duplication): Declare.
5554         (loopify, split_loop_bb): Declaration changed.
5555         * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
5556         of rtx.
5557         (loopify): Added redirect_all_edges argument.
5558         (update_single_exits_after_duplication): Export.
5559         * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
5560         * tree-flow.h (tree_duplicate_loop_to_header_edge,
5561         tree_ssa_loop_version): Declare.
5562         * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
5563         set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
5564         lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
5565         lv_update_pending_stmts, tree_ssa_loop_version): New functions.
5566
5567         * tree-ssa-loop-unswitch.c: New file.
5568         * Makefile.in (tree-ssa-loop-unswitch.o): Add.
5569         * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
5570         * tree-flow.h (tree_ssa_unswitch_loops): Declare.
5571         * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
5572         * tree-pass.h (pass_unswitch): Declare.
5573         * tree-ssa-loop.c (tree_ssa_loop_unswitch,
5574         gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
5575         * doc/passes.texi: Documen tree level loop unswitching.
5576
5577 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
5578
5579         * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.
5580
5581 2004-09-22  Eric Christopher  <echristo@redhat.com>
5582
5583         * builtins.c (simplify_builtin_va_start): Remove.
5584         (simplify_builtin): Ditto.
5585         (fold_builtin_strchr): Ditto.
5586         (simplify_builtin_*): Rename remainders to fold_builtin_*.
5587         (expand_builtin): Fix up for above changes.
5588         (fold_builtin_1): Add new folders. Change for above.
5589         (expand_builtin_va_start): Call fold_builtin_next_arg.
5590         * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
5591         * tree.h: Remove prototype for simplify_builtin.
5592
5593 2004-09-23  Jan Hubicka  <jh@suse.cz>
5594
5595         PR debug/17389
5596         * dwarf2out.c (dwarf2out_finish): Deal with nested functions
5597         of fully inlined functions.
5598         * tree-inline.c (inline_forbidden_p_1): Nested functions can be
5599         inlined.
5600
5601         * cfgexpand.c (add_reg_br_prob_note): New function.
5602         (expand_gimple_cond_expr): Use it.
5603         (tree_expand_cfg): No longer kill the profile.
5604         * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
5605         only if it is present.
5606         * passes.c (rest_of_handle_loop_optimize): Kill the profile.
5607         * predict.c (combine_predictions_for_insn): Set the probabilities
5608         based on REG_BR_PROB note if present.
5609         * predict.c (branch_prob): Profile is read only with
5610         flag_branch_probabilities.
5611
5612 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
5613
5614         * aclocal.m4: Add in gettext's m4 includes.
5615         (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
5616         * configure.ac: Add in check for iconv.h
5617         * configure: Regenerate.
5618
5619 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
5620
5621         * aclocal.m4: Update for rename of gettext-sister.m4.
5622
5623 2004-09-22  Daniel Berlin <dberlin@dberlin.org>
5624
5625         Fix PR tree-optimization/17587
5626         * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
5627         (insert_aux): Instead of here.
5628
5629 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
5630
5631         PR tree-optimization/16721
5632         * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
5633         * tree-ssa-alias.c (create_memory_tag): Move setting of
5634         TREE_THIS_VOLATILE ...
5635         (get_tmt_for): ... here.
5636
5637 2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
5638
5639         * config/sparc/sparc.md (cmove splitter): Fix formatting.
5640         (conditional_trap expander): Reject inappropriate CCmodes.
5641         (conditional trap insn): Use V9 syntax if possible.
5642
5643 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5644
5645         PR c/16566
5646         * c-typeck.c (build_component_ref): Don't special-case
5647         COMPOUND_EXPR.
5648
5649 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
5650
5651         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
5652         returns NULL.
5653
5654 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
5655
5656         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
5657         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5658         TRUTH_XOR_EXPR): Mention the restriction on types.
5659
5660 2004-09-22  Matt Austern  <austern@apple.com>
5661
5662         * config/darwin.c (darwin_make_decl_one_only):
5663         Allow coalesced symbol to appear in static archive's table of contents
5664
5665 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
5666
5667         PR tree-optimization/17512
5668         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
5669         special cases.
5670
5671 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
5672
5673         * dbxout.c (get_lang_number): Do not define if
5674         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
5675
5676 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
5677
5678         PR target/15583
5679         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
5680         builtin_define ("__USE_INIT_FINI__").
5681
5682 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
5683
5684         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
5685         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
5686         * config/s390/s390.h (TARGET_TPF): New macro.
5687         * config/s390/s390.md ("eh_return"): New expander.
5688         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
5689         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
5690         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
5691         * config/s390/tpf.h (TARGET_TPF): Define to 1.
5692         (STACK_POINTER_OFFSET): Increase to 448.
5693         (TARGET_DEFAULT): Set -mtpf-trace on as default.
5694         (TPF_LOC_DIFF_OFFSET): New macro.
5695         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
5696         encoding.
5697         (__isPATrange): Add prototype.
5698         (MD_FALLBACK_FRAME_STATE_FOR): Define.
5699         * config/s390/tpf-eh.c: New file.
5700
5701 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
5702
5703         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
5704         operands in an integer comparison.
5705         * tree-cfg.c (find_taken_edge): Call fold() to determine
5706         whether the predicate is known.
5707
5708 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
5709
5710         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
5711         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
5712         Create build and doc directories along with the language directories.
5713         Don't create doc directory separately.
5714         * configure: Regenerate.
5715         * Makefile.in: Create all object and executables files built
5716         with the build compiler in a build/ directory.
5717         (genobjnames): Add missing build objects.
5718         (STAGESTUFF): Don't stage the gen* programs.
5719         (ggc-none.o): Define dependencies for the target compiler.
5720         (build-print-rtl.o): Rename to build/print-rtl.o.
5721         (build-errors.o): Rename to build/errors.o.
5722         (build-varray.o): Rename to build/varray.o.
5723         (maintainerclean): Delete the contents of the build directory.
5724         ($(genobjs): %.o): Explicitly use -o.
5725         (build/insn-conditions.o): Delete specfic rule to use generic rule.
5726         (build/gengtype-lex.o): Likewise.
5727         (build/gengtype-yacc.o): Likewise.
5728         (build/gcov-iov.o): Likewise.
5729
5730 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
5731
5732         * vec.h (VEC_space): Return true if there _is_ space.
5733         (VEC_reserve): Adjust.
5734
5735 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
5736
5737         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
5738         use FPRs for scalar, complex and vector types only.
5739
5740 2004-09-21 Jeff Law  <law@redhat.com>
5741
5742         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
5743         the opt_stats_d structure.
5744         (vrp_data): Change from a varray into a hash table.
5745         (vrp_hash_elt): New structure for elements in the vrp hash table.
5746         (vrp_hash, vrp_eq):New functions for hashing and testing equality
5747         in the vrp hash table.
5748         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
5749         initialization slightly to make it easier to read.  No longer need
5750         to grow/clear the varray.  Instead empty and delete the hash table.
5751         (dom_opt_finalize_block): Update due to change of VRP_DATA from
5752         a varray to a hash table.
5753         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
5754
5755         * tree-ssa-ccp.c (get_default_value): If we have a constant
5756         value recorded for an SSA_NAME, then use that constant as
5757         the initial lattice value.
5758         (substitute_and_fold): Transfer equivalences discovered into
5759         SSA_NAME_EQUIV.
5760
5761         * tree.h (SSA_NAME_EQUIV): Add comments.
5762         (SET_SSA_NAME_EQUIV): Similarly.
5763
5764 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
5765
5766         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
5767
5768         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
5769
5770 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
5771
5772         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
5773         (finish_decl): Likewise.
5774
5775 2004-09-21  Devang Patel  <dpatel@apple.com>
5776
5777         * tree.def (VEC_COND_EXPR): New tree node.
5778         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
5779
5780 2004-09-21  Stan Shebs  <shebs@apple.com>
5781
5782         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
5783         * config/rs6000/darwin-world.asm: Likewise.
5784
5785 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
5786
5787         * tree-ssa.c (verify_def): Use print_generic_stmt,
5788         not debug_generic_stmt.
5789         (verify_use): Ditto.
5790         (verify_phi_args): Ditto.
5791         (verify_ssa): Ditto.
5792
5793 2004-09-21  Paul Brook  <paul@codesourcery.com>
5794
5795         * varasm.c (default_assemble_integer): Return false for values wider
5796         than the target word size.  Works around GAS bug.
5797
5798 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
5799
5800         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
5801         gets value 0.
5802         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
5803         if it has value 0.
5804
5805 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
5806
5807         * c-typeck.c (build_function_call): Give name of object
5808         we are attempting to call in error message.
5809         * c-objc-common.c (c_tree_printer): Call pp_expression,
5810         not return false, for 'E' case.
5811
5812 2004-09-21  Steven Bosscher  <stevenb@suse.de>
5813
5814         PR rtl-optimization/17482
5815         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
5816         load_killed_in_block_p): Clarify comments.
5817         (record_last_reg_set_info): Make static inline.
5818         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
5819         (record_opr_changes): New function to replace the above.
5820         (compute_hash_table): Clarify comments.  Use record_opr_changes.
5821         (reg_set_between_after_reload_p): Clean up.
5822         (reg_used_between_after_reload_p): Likewise.
5823         (eliminate_partially_redundant_load): Clarify comments.
5824
5825 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5826
5827         PR rtl-optimization/17266
5828         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
5829
5830 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
5831
5832         PR rtl-optimization/14851
5833         * rtlanal.c (commutative_operand_precedence): Calculate
5834         precedence of stripped constant.
5835
5836 2004-09-20 Jeff Law  <law@redhat.com>
5837            Jan Hubicka  <jh@suse.cz>
5838
5839         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
5840         initialize key elements here.
5841         (release_ssa_name): Zero the released SSA_NAME here.
5842         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
5843         (struct tree_ssa_name): Add new "equiv" field.
5844         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
5845         (tree_ssa_dominator_optimize): No longer allocate, resize or
5846         clear CONST_AND_COPIES.
5847         (get_value_for, set_value_for): Kill.
5848         (thread_across_edge): Get/set the equivalency using
5849         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
5850         (restore_vars_to_original_value): Likewise.
5851         (record_equivalences_from_phis): Likewise.
5852         (record_dominating_conditions): Likewise.
5853         (record_const_or_copy, record_equality): Likewise.
5854         (lookup_avail_expr): Likewise.
5855         (record_equivalences_from_stmt, cprop_operand): Likewise.
5856         (cprop_into_successor_phis): No longer need to pass around
5857         CONST_AND_COPIES.  Callers updated. Get equivalences via
5858         SSA_NAME_EQUIV.
5859         (cprop_into_phis): Likewise.
5860
5861 2004-09-20  Matt Austern <austern@apple.com>
5862             Zack Weinberg  <zack@codesourcery.com>
5863
5864         * c-common.c (fix_string_type): Build the unqualified array
5865         type unconditionally, then use c_build_qualified_type to get
5866         the proper const-qualified variant, and set its
5867         TYPE_MAIN_VARIANT to refer to the unqualified type.
5868         * c-lex.c (c_lex_return_raw_string): New global.
5869         (c_lex_with_flags): Honor it.
5870         * c-pragma.h: Declare it.
5871
5872 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
5873
5874         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
5875
5876 2004-09-21  Jan Hubicka  <jh@suse.cz>
5877
5878         PR middle-end/17126
5879         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
5880         (tree_rest_of_compilation): Cleanup.
5881
5882 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
5883
5884         * config/s390/s390.c (s390_select_rtx_section): Remove.
5885         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
5886
5887 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5888
5889         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
5890         note to pretend a direct save from the original register when an
5891         intermediate register is used for the save.
5892
5893 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5894
5895         * tsystem.h (alloca): Provide a default definition.
5896
5897         Revert:
5898         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5899             * unwind-dw2.c: Call __builtin_alloca, not alloca.
5900
5901 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
5902
5903         PR tree-opt/17558
5904         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
5905         aliasing sets are the same rather than just conflicting.
5906
5907 2004-09-20  Jan Hubicka  <jh@suse.cz>
5908
5909         PR middle-end/16460
5910
5911         * cgraph.c (cgraph_unnest_node): New function.
5912         (c_finalize): Rename to ....
5913         (c_warn_unused_result_recursivly): ... this one; do only the warning
5914         (finish_function): Finalize the toplevel function; do not lower nested tree.
5915         * cgraph.h (cgraph_unnest_node): Declare.
5916         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
5917         nestedness datastructure.
5918         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
5919         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
5920         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
5921
5922 2004-09-20  Richard Henderson  <rth@redhat.com>
5923
5924         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
5925         from some_small_symbolic_operand_1; export.
5926         (some_small_symbolic_operand): Remove.
5927         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
5928         extra C check.
5929         * config/alpha/predicates.md (some_small_symbolic_operand): New.
5930
5931 2004-09-20  Jan Hubicka  <jh@suse.cz>
5932
5933         * predict.c (return_prediction): New function.
5934         (apply_return_prediction): Likewise.
5935         (tree_bb_level_predictions): Likewise.
5936         (tree_estimate_probability): Add noreturn exit edges; call
5937         bb_level_predictions; fix logic of return heuristics.
5938         (predict_paths_leading_to):  Rescuesce from old CVS version of
5939         process_note_prediction function.
5940         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
5941
5942 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5943
5944         * config/s390/s390.c (s390_frame_info): Added alignment statement for
5945         floating point register area on stack.
5946
5947 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
5948
5949         * predict.c (expr_expected_value): Use *_CLASS_P macros.
5950
5951 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
5952
5953         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
5954         generating useless garbage.
5955
5956 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
5957
5958         * builtins.c (fold_builtin): Call the new omonymous
5959         target hook for machine-dependent built-ins.
5960         * target-def.h (TARGET_FOLD_BUILTIN): New.
5961         * target.h (struct gcc_target): Add the fold_builtin hook.
5962         * targhooks.c (default_fold_builtin): New.
5963         * targhooks.h (default_fold_builtin): Declare it.
5964
5965 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
5966
5967         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
5968         comment typos.
5969
5970 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
5971
5972         PR target/17565
5973         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
5974
5975 2004-09-20  Jan Hubicka  <jh@suse.cz>
5976
5977         * predict.c (estimate_probability): Remove unnecesary code.
5978
5979 2004-09-19  Ira Rosen  <irar@il.ibm.com>
5980
5981         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
5982         (STMT_VINFO_VECT_DR_BASE): Declare.
5983         (VECT_SMODULO): Declare.
5984         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
5985         (vect_compute_array_base_alignment): New function.
5986         (vect_analyze_data_ref_access): Check array indices. Remove one
5987         dimensional arrays restriction.
5988         (vect_get_ptr_offset): New function.
5989         (vect_get_symbl_and_dr): New function.
5990         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
5991         (former name vect_get_base_decl_and_bit_offset).
5992         (vect_create_index_for_array_ref): Removed.
5993         (vect_create_index_for_vector_ref): New function.
5994         (vect_create_addr_base_for_vector_ref): New function.
5995         (vect_create_data_ref): Handle additional data refs. Call
5996         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
5997         (vect_compute_data_ref_alignment): Support the changes. Call
5998         vect_get_base_and_bit_offset.
5999         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
6000         data refs. Store vect_dr_base.
6001         (vect_analyze_data_ref_accesses): Support nonconstant init.
6002         (new_stmt_vec_info): Initialize vect_dr_base field.
6003         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
6004         (get_vectype_for_scalar_type): Check for BLKmode.
6005         * tree-chrec.h (initial_condition_in_loop_num): Declare.
6006         * tree-chrec.c (initial_condition_in_loop_num): New function.
6007         (chrec_component_in_loop_num): New function.
6008         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
6009         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
6010         to be pointer to varray_type.
6011
6012 2004-09-19  Jan Hubicka  <jh@suse.cz>
6013
6014         * basic-block.h (update_bb_profile_after_threading): Declare.
6015         * cfg.c (update_bb_profile_after_threading): Break out from ...
6016         * cfgcleanup.c (try_forward_edges): ... here; use it.
6017         * tree-ssa-dom.c (thread_across_edge): Use it.
6018         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
6019         profile of the new BB.
6020
6021 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
6022
6023         * tree-ssa-pre.c (insert_into_set): Don't put
6024         is_gimple_min_invariant values into the set.
6025
6026 2004-09-19  Andreas Jaeger  <aj@suse.de>
6027
6028         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
6029         prototype.
6030
6031 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
6032
6033         * config/cris/cris.h: Preserve the original spelling in a
6034         quote.
6035
6036 2004-09-18 Jeff Law  <law@redhat.com>
6037
6038         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
6039         global varrays to replace the block local varrays.
6040         (struct dom_walk_block_data): Remove, no longer used.
6041         (get_eq_expr_value): No longer need to pass around pointers to local
6042         varrays.  Callers updated.  Unused markers added to unused parameters.
6043         (record_range, record_equivalences_from_stmt): Likewise.
6044         (record_equivalences_from_incoming_edge): Likewise.
6045         (record_var_is_nonzero): Likewise.  Update now that we have a
6046         single global varray of SSA_NAMEs that need restoring.
6047         (dom_opt_initialize_block_local_data): Kill, no longer used.
6048         (tree_ssa_dominator_optimize): Initialize new global varrays.
6049         Update callbacks in dominator walker structure.
6050         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
6051         VRP_VARIABLES_STACK.
6052         (restore_nonzero_vars_to_original_value): Update now that we have
6053         a single global varray of SSA_NAMEs that need restoring.
6054         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
6055         Remove unused variables.
6056         (optimize_stmt): Remove unused variable.
6057
6058 2004-09-18  Jan Hubicka  <jh@suse.cz>
6059
6060         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
6061
6062         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
6063         verify_cgraph call.
6064
6065 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
6066
6067         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
6068         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
6069         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
6070         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
6071         tree-ssa-operands.c, tree-ssa-phiopt.c,
6072         tree-ssa-threadupdate.c: Fix comment typos.
6073
6074 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
6075
6076         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
6077         config/arm/README-interworking, config/arm/arm-cores.def,
6078         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
6079         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
6080         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
6081         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
6082         config/frv/frv.md, config/i386/winnt.c,
6083         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
6084         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
6085         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
6086         config/mcore/mcore.c, config/mips/mips.h,
6087         config/mn10300/mn10300.md, config/pa/pa.c,
6088         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
6089         config/rs6000/rs6000.c, config/sh/symbian.c,
6090         config/sparc/sparc.h: Fix comment typos.  Follow spelling
6091         conventions.
6092
6093 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
6094
6095         PR c/17424
6096         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
6097
6098 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
6099
6100         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
6101         remove TREE_ADDRESSABLE from RESULT_DECL.
6102
6103 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
6104
6105         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
6106
6107 2004-09-18  Jan Hubicka  <jh@suse.cz>
6108
6109         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
6110         NULL.
6111         * tree-ssa-alias.c (init_alias_info): Likewise.
6112         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
6113         (verify_ssa): Likewise.
6114         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
6115
6116 2004-09-18  Jan Hubicka  <jh@suse.cz>
6117
6118         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
6119         huge offset.
6120
6121 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6122
6123         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
6124         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6125         DW_EH_PE_sdata* for data.
6126         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
6127
6128 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
6129
6130         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
6131         shared anyway.
6132
6133         PR pch/13361
6134         * c-typeck.c (constructor_asmspec): Delete.
6135         (struct initializer_stack): Delete field 'asmspec'.
6136         (start_init): Delete saving of asmspec.
6137         (finish_init): Don't update constructor_asmspec.
6138         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
6139         * stmt.c (expand_asm): Duplicate strings from tree.
6140         (expand_asm_operands): Likewise.
6141         * tree.c (tree_size): Update computation of size of STRING_CST.
6142         (make_node): Don't make STRING_CST nodes.
6143         (build_string): Allocate string with tree node.
6144         (tree_code_size): Clean up assertions, don't allow requests
6145         for "the size of a STRING_CST".
6146         * tree.def (STRING_CST): Update comment.
6147         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
6148         (tree_string): Place contents of string in tree node.
6149         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
6150         from tree.
6151
6152 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
6153
6154         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
6155         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
6156
6157 2004-09-17  Jones Desougi  <jones@ingate.com>
6158
6159         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
6160         * configure, config.in: Regenerate.
6161
6162 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
6163
6164         * tree.c, tree.h (tree_class_strings): Make array const.
6165         Reindent per coding convention.  Move asterisk to proper place
6166         per coding convention.
6167
6168 2004-09-18  Andreas Schwab  <schwab@suse.de>
6169
6170         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
6171         (tree-vectorizer.o): Likewise.
6172         (targhooks.o): Likewise.
6173
6174 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
6175             Zack Weinberg  <zack@codesourcery.com>
6176
6177         * alias.c (find_base_decl): Remove unreachable case '3' block.
6178         * expr.c (safe_from_p): Abort if passed a type.
6179         * tree-gimple.c (recalculate_side_effects): Abort if passed
6180         anything other than an expression.
6181         * tree-ssa-pre.c (phi_translate): Return expr immediately if
6182         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
6183         Abort on un-handled tree classes.
6184         (valid_in_set): Likewise.
6185         * tree.c (tree_code_class_strings): New static data.
6186
6187         * tree.h (enum tree_code_class): New.
6188         (tree_code_class_strings): Declare.
6189         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
6190         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
6191         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
6192         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
6193         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
6194
6195         * tree.def, c-common.def, objc/objc-tree.def: Use
6196         tree_code_class enumeration constants instead of code letters.
6197
6198         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
6199         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
6200         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
6201         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
6202         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
6203         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
6204         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
6205         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
6206         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
6207         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
6208         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
6209         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
6210         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
6211         Update to match.
6212
6213         * LANGUAGES: Add note about change.
6214
6215 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
6216
6217         PR tree-optimization/17319
6218         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
6219         examine pointers on the LHS of an assignment.
6220         (collect_points_to_info_r): Handle RETURN_EXPR.
6221
6222 2004-09-17 Jeff Law  <law@redhat.com>
6223
6224         * tree-ssa-dom.c (const_and_copies_stack): New.
6225         (dom_walk_block_data): Remove const_and_copies field.
6226         (record_const_or_copy): No longer need to pass in varray_type *.
6227         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
6228         Callers updated.
6229         (record_equality): Similarly.
6230         (restore_vars_to_original_value): Similarly.  Revamp to use new
6231         single global stack rather than per-block stacks.
6232         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
6233         (thread_across_edge): Remove now unused parameters.
6234         (dom_opt_initialize_block_local_data): No longer test the block
6235         local CONST_AND_COPIES.
6236         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
6237
6238 2004-09-17  Jan Hubicka  <jh@suse.cz>
6239
6240         PR tree-optimization/17509
6241         * tree-optimize.c (update_inlined_to_pointers): New function.
6242         (tree_rest_of_compilation): Use it.
6243
6244 2004-09-17  Devang Patel  <dpatel@apple.com>
6245
6246         * dbxout.c (get_lang_number): New.
6247         (dbxout_init): Include lang number in N_SO  stab.
6248         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
6249         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
6250
6251 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
6252
6253         PR tree-optimization/17273
6254         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
6255         replacement is a constant.
6256
6257 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
6258
6259         * c-tree.h (enum c_typespec_keyword): New.
6260         (struct c_declspecs): Adjust description of "type".  Remove
6261         specbits, explicit_int_p and explicit_char_p.  Rename
6262         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
6263         short_p, signed_p, unsigned_p and complex_p.
6264         (finish_declspecs): New.
6265         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
6266         typename): Call finish_declspecs.
6267         * c-decl.c (finish_declspecs): New.
6268         (declspecs_add_type): Check for combinations which cannot occur in
6269         valid specifier lists.  Update comments.
6270         (shadow_tag_warned): Remove checks done in finish_declspecs.
6271         Don't report useless type name if type defaulted to int.
6272         (grokdeclarator): Remove checks and actions done in
6273         finish_declspecs.  Don't allow for type being NULL.  Update for
6274         datastructures changes.  Initialize decl_attr.
6275         (build_null_declspecs, quals_from_declspecs): Update for
6276         datastructures changes.
6277
6278 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
6279
6280         * doc/extend.texi: Fix duplicated word.
6281
6282 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
6283
6284         * doc/invoke.texi: Remove stray explanation on
6285         -freduce-all-givs and -fmove-all-movables.
6286
6287 2004-09-17  James Morrison  <phython@gcc.gnu.org>
6288
6289         * doc/cfg.texi: Use @smallexample.
6290         * doc/md.texi: Likewise.
6291         * doc/tree-ssa.texi: Likewise.
6292         * doc/extend.texi: Likewise.  Use @r{} in comments.
6293         * doc/trouble.texi: Use @r{} in comments.
6294
6295 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
6296
6297         * configure.ac (gcc_cv_gld_version): Handle whitespace before
6298         "VERSION=".
6299         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
6300         * configure: Regenerate.
6301
6302 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
6303
6304         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
6305         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
6306         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
6307         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
6308         slashes in substitutions.
6309         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
6310
6311 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
6312
6313         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
6314         gimplify.c, lambda-code.c, optabs.c, predict.c,
6315         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
6316         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
6317         conventions.
6318
6319 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
6320
6321         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
6322         doc/extend.texi, doc/install.texi, doc/invoke.texi,
6323         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
6324         doc/trouble.texi: Use @option around options.
6325
6326 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
6327
6328         * Makefile.in (gen-protos.o): Depend on errors.h.
6329
6330 2004-09-17  Steven Bosscher  <stevenb@suse.de>
6331
6332         PR tree-optimization/17513
6333         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
6334         for successors of the entry block.
6335
6336 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
6337
6338         PR rtl-optimization/15187
6339         * ifcvt.c (noce_try_cmove_arith): Exit early if total
6340         insn_rtx_cost of both branches > BRANCH_COST
6341
6342 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
6343
6344         PR tree-optimization/17528
6345         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
6346         erase the may-alias set for a tag when merging it with
6347         another.
6348
6349 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
6350
6351         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
6352         for 32-bit TARGET_SHMEDIA.
6353         (call_value): Likewise.
6354
6355 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
6356
6357         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
6358         test apply only to TREE_STATIC and DECL_EXTERNAL.
6359
6360 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6361
6362         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
6363         * basic-block.h (get_dominated_by_region): Declare.
6364         * dominance.c (get_dominated_by_region): New function.
6365         * tree-cfg.c: Include cfglayout.h.
6366         (tree_duplicate_bb): Duplicate also phi nodes.
6367         (struct ssa_name_map_entry): New type.
6368         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
6369         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
6370         allocate_ssa_names, rewrite_to_new_ssa_names_def,
6371         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
6372         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
6373         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
6374         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
6375         rewrite_to_new_ssa_names, allocate_ssa_names,
6376         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
6377         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
6378         (copy_loop_headers): Use tree_duplicate_sese_region.
6379
6380 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
6381
6382         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
6383
6384 2004-09-16 Jeff Law  <law@redhat.com>
6385
6386         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
6387         (rewrite_block_data): Remove, no longer used.
6388         (rewrite_initialize_block_local_data): Remove, no longer used.
6389         (rewrite_initialize_block): Mark parameters as unused as needed.
6390         Change references to the block local block_defs to be block_defs_stack.
6391         Push a marker onto the block_defs_stack.
6392         (ssa_rewrite_initialize_block): Similarly.
6393         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
6394         (ssa_register_new_def): No longer needs varray argument.  Use
6395         block_defs_stack instead.  No longer handle possibly null block_defs
6396         varray.  Reverse order of items we push on the stack to make it
6397         easier to identify our marker.
6398         (register_new_def): No longer handle possibly null block_defs
6399         varray.
6400         (rewrite_finalize_block): Revamp to look for markers in the global
6401         block_defs_stack varray rather than wiping a block local varray.
6402         Mark arguments as unused as needed.
6403         (ssa_rewrite_finalize_block): Similarly.
6404         (rewrite_into_ssa): Update initialization of dom walker structure
6405         to reflect that we don't need block local data anymore.  Initialize
6406         the block_defs_stack varray.
6407         (rewrite_ssa_into_ssa): Similarly.
6408         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
6409         (struct dom_walk_data): Kill block_defs field.
6410         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
6411         (thread_across_edge): Use the global block_defs_stack instead of
6412         the old block_defs varray.
6413         (dom_opt_initialize_block_local_data): Update now that we don't have
6414         block_defs field to check anymore.
6415         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
6416         (restore_currdefs_to_original_value): Use the new block_defs_stack
6417         instead of a block local varray.
6418         (dom_opt_finalize_block): Similarly.
6419         (record_equivalencs_from_phis): Similarly.
6420         (optimize_stmt, register_definitions_for_stmt): Similarly.
6421
6422 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
6423
6424         PR tree-optimization/17517
6425         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
6426         coalesce same-root variables without checking for abnormal PHI usage.
6427
6428 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
6429
6430         * cfgloop.h (duplicate_loop):  Add prototype.
6431         * cfgloopmanip.c (duplicate_loop): Make non-static.
6432         * lambda-code.c (perfect_nestify): Factor out test whether
6433         we can handle this loop into separate function.
6434         Call it.
6435         (can_convert_to_perfect_nest): New function.
6436         (replace_uses_of_x_with_y): Add modify_stmt call.
6437         * tree-loop-linear.c (linear_transform_loops): Call
6438         rewrite_into_loop_closed_ssa and free_df.
6439
6440 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
6441
6442         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
6443         loop invariant as well.
6444         (perfect_nestify): new function.
6445         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
6446         upper bounds, and steps.
6447         Set outerinductionvar properly.
6448         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
6449         parameters.
6450         Return NULL if we need a perfect loop and can't make one.
6451         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
6452         (not_interesting_stmt): New function.
6453         (phi_loop_edge_uses_def): Ditto.
6454         (stmt_uses_phi_result): Ditto.
6455         (stmt_is_bumper_for_loop): Ditto.
6456         (perfect_nest_p): Ditto.
6457         (nestify_update_pending_stmts): Ditto.
6458         (replace_uses_of_x_with_y): Ditto.
6459         (stmt_uses_op): Ditto.
6460         (perfect_nestify): Ditto.
6461         * lambda-mat.c (lambda_matrix_id_p): New function.
6462         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
6463         * lambda.h: Update prototypes.
6464         * tree-loop-linear (linear_transform_loop): Use new
6465         perfect_nest_p. Detect and ignore identity transform.
6466         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
6467
6468 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
6469
6470         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
6471         Gather also strides of accessed data.  Pass in the data references
6472         array.
6473         (try_interchange_loops): Add a new heuristic for handling the temporal
6474         locality.  Pass in the data references array.
6475         (linear_transform_loops): Pass the data references array to
6476         try_interchange_loops.
6477
6478 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
6479
6480         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
6481
6482 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
6483
6484         * doc/c-tree.texi (Classes): Remove index entries for
6485         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
6486
6487 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6488
6489         * fold-const.c (fold): Fold difference of addresses.
6490         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
6491         get_inner_reference.
6492         * tree-ssa-loop-ivopts.c (peel_address): Removed.
6493         (ptr_difference_const): Moved to fold-const.c.
6494         (split_address_cost): Use get_inner_reference instead of peel_address.
6495         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
6496         * tree.h (ptr_difference_const): Export.
6497
6498         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
6499         variable type to the dump.  Fix indentation.
6500         (idx_find_step): Handle nonconstant array_ref_element_size and
6501         array_ref_low_bound.
6502         (idx_record_use): Handle array_ref_element_size and
6503         array_ref_low_bound.
6504         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
6505         statements correctly.
6506         (get_computation_at, iv_value): Do not unshare expressions here.
6507         (rewrite_use_outer): Unshare the expression before it is emitted
6508         to code.
6509         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
6510         Moved to tree.c.
6511         * tree.c (unsigned_type_for, signed_type_for): Moved from
6512         tree-ssa-loop-niter.c.  Use langhooks.
6513         * tree.h (signed_type_for): Export.
6514
6515 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
6516
6517         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
6518         prototype.
6519
6520 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
6521
6522         PR target/11572
6523         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
6524         Add two parameters to extra_includes.
6525         (C_INCPATH_INIT): Remove.
6526         * c-incpath.c (register_include_chains): Call extra_pre_includes
6527         before adding the standard include directory.
6528         Update call to extra_includes.
6529         (!defined TARGET_EXTRA_INCLUDES): Update
6530         hook_void_charptr_charptr_int and add !define
6531         TARGET_EXTRA_PRE_INCLUDES.
6532         (!define TARGET_EXTRA_INCLUDES): Define as
6533         hook_void_charptr_charptr_int.
6534         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
6535         (target_c_incpath): Always declare.
6536         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
6537         empty function.
6538         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
6539         * config/darwin.h: (darwin_register_frameworks): Update for
6540         the two new parameters.
6541         (darwin_register_objc_includes): Add prototype.
6542         (TARGET_EXTRA_PRE_INCLUDES): Define.
6543         * config/darwin-c.c (darwin_register_objc_includes): New function.
6544         (darwin_register_frameworks): Update for the two new parameters.
6545         (target_c_incpath): Remove.
6546         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
6547         the compile line.
6548         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
6549         parameters.
6550         (TARGET_EXTRA_PRE_INCLUDES): Document.
6551
6552         * gcc.c (spec_function): Add replace-outfile.
6553         (replace_outfile_spec_function): New function.
6554         * config/darwin.h (LINK_SPEC): Add replace
6555         -lobjc with -lobjc-gnu if -fgnu-runtime is
6556         supplied.
6557         * invoke.texi (replace-outfile): Document.
6558
6559 2004-09-13  Jan Hubicka  <jh@suse.cz>
6560
6561         * predict.c (expr_expected_value, strip_builtin_expect): New function.
6562         (tree_predict_by_opcode): Use it.
6563         (tree_estimate_probability): Add, for now disabled,
6564         strip_builtin_expect call.
6565
6566 2004-09-15  James E Wilson  <wilson@specifixinc.com>
6567
6568         PR target/17455
6569         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
6570         if current_function_decl is a sibcall.
6571
6572 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
6573
6574         * varasm.c (default_function_rdodata_section): Make sure to pass
6575         along a decl for a link-once section.
6576
6577 2004-09-15  Richard Henderson  <rth@redhat.com>
6578
6579         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
6580         warning with code disable.  Fix formatting.
6581
6582 2004-09-15  Steven Bosscher  <stevenb@suse.de>
6583
6584         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
6585         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
6586         after propagating into an ADDR_EXPR.
6587
6588 2004-09-15  Andrew Pinski  <apinski@apple.com>
6589
6590         PR rtl-opt/17427
6591         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
6592         Move it out of gcc_assert.
6593
6594 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
6595
6596         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
6597         except.c, fold-const.c, function.c, langhooks.c, params.c,
6598         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
6599         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
6600         for quoting in diagnostics going through pretty-print.c.  Use ''
6601         for quoting in other diagnostic text.
6602         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
6603         translation.
6604         * Makefile.in (langhooks.o): Update dependencies.
6605         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
6606         formats.
6607
6608 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
6609
6610         * configure.ac: Check for COMDAT support.  Robustify check for
6611         SHF_MERGE support.
6612         * configure: Regenerated.
6613         * config.in: Likewise.
6614         * langhooks-def.h (lhd_comdat_group): New function.
6615         (LANG_HOOKS_COMDAT_GROUP): New macro.
6616         (LANG_HOOKS_DECLS): Use it.
6617         * langhooks.c (lhd_comdat_group): Define.
6618         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
6619         * output.h (named_section_flags): Make it a macro.
6620         (named_section_real): New function.
6621         (default_no_named_section): Add decl parameter.
6622         (default_elf_asm_named_section): Likewise.
6623         (default_coff_asm_named_section): Likewise.
6624         (default_pe_asm_named_section): Likewise.
6625         * target.h (gcc_target): Adjust type of named_section.
6626         * varasm.c (named_section_flags): Rename to named_section_real.
6627         Add decl parameter.
6628         (default_no_named_section): Add decl parameter.
6629         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
6630         with the case that ASM_COMMENT_START is "@".
6631         (default_coff_asm_named_section): Add decl parameter.
6632         (default_pe_asm_named_section): Likewise.
6633         * config/alpha/alpha.c (vms_asm_named_section): Add decl
6634         parameter.
6635         (unicosmk_asm_named_section): Likewise.
6636         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
6637         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
6638         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
6639         * config/cris/cris-protos.h (cris_target_asm_named_section):
6640         Likewise.
6641         * config/cris/cris.c (cris_target_asm_named_section):
6642         Likewise.
6643         * config/darwin/darwin-protos.h (darwin_asm_named_section):
6644         Likewise.
6645         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
6646         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
6647         * config/i386/i386-protos.h (i386_pe_asm_named_section):
6648         Likewise.
6649         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
6650         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
6651         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
6652         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
6653         Likewise.
6654         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
6655         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
6656         * cp/cp-tree.h (cxx_comdat_group): Declare.
6657         * cp/decl.c (cxx_comdat_group): New function.
6658
6659 2004-09-15  Jan Hubicka  <jh@suse.cz>
6660
6661         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
6662         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
6663
6664         * tree-cfg.c (remove_bb): Release SSA defs.
6665
6666 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
6667
6668         * doc/tm.texi: Follow spelling conventions.
6669
6670 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
6671
6672         * tree-ssa-dom.c: Fix comment typos.
6673
6674 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
6675
6676         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
6677         include ccr.
6678         (ppc_fallback_frame_state): Save location of CR.
6679
6680 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
6681
6682         * expr.c (string_constant): Handle also read-only variables
6683         initialized to string literals.
6684
6685         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
6686         into memcpy (x, y, 1) if memcpy can be expanded inline.
6687
6688 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6689
6690         PR tree-optimization/17468
6691         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
6692         definition inside a block precede uses.
6693         * tree-tailcall.c (adjust_return_value): Emit statements in the
6694         correct order.
6695
6696 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
6697
6698         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
6699
6700 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
6701
6702         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
6703
6704 2004-09-14 Jeff Law  <law@redhat.com>
6705
6706         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
6707         (struct dom_walk_block_data): Remove avail_exprs member.
6708         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
6709         (lookup_avail_expr): No longer need to pass in address of
6710         the block local available exprs stack.  All callers changed.
6711         (simplify_cond_and_lookup_avail_expr): Similarly.
6712         (simplify_switch_and_lookup_avail_expr): Similarly.
6713         (get_eq_expr_value, record_cond): Likewise.
6714         (record_dominating_conditions): Likewise.
6715         (update_rhs_and_lookup_avail_expr): Likewise.
6716         (record_equivalences_from_stmt): Likewise.
6717         (dom_opt_initialize_block_local_data): No longer test state of
6718         block local avail_exprs.
6719         (dom_opt_initialize_block): Mark unwind point in the global
6720         avail_expr stack.
6721         (remove_expressions_from_table): Update to unwind to the
6722         most recent unwind marker in the global avail_expr stack.
6723         All callers changed.
6724         (dom_opt_finalize_block): Mark unwind point in the global
6725         avail_expr stack as needed.
6726         (record_cond): Push elements into the global avail_exprs stack.
6727
6728         * tree-dfa.c (free_df_for_stmt): No longer static.
6729         (free_df): Update comments.
6730         * tree-flow.h (free_df_for_stmt): Prototype.
6731         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
6732         call release_defs.
6733
6734 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
6735
6736         PR tree-optimization/17252
6737         * tree-ssa-alias.c (may_alias_p): Don't assume that a
6738         pointer may not point to itself when using relaxed
6739         aliasing rules.
6740
6741 2004-09-14  Richard Henderson  <rth@redhat.com>
6742
6743         PR middle-end/17397
6744         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
6745         while folding <ADDR_EXPR <INDIRECT_REF X>>.
6746
6747 2004-09-14  Andrew Pinski  <apinski@apple.com>
6748
6749         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
6750         sets of the pointers but the aliasing sets of what they point to.
6751
6752 2004-09-14  Roger Sayle  <roger@eyesopen.com>
6753
6754         PR rtl-optimization/9771
6755         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
6756         conditional compilation in init_reg_sets_1.
6757         (init_reg_sets_1): Let global_regs[i] take priority over the frame
6758         (but not stack) pointer exceptions to regs_invalidated_by_call.
6759         (globalize_reg): Globalizing a fixed register may need to update
6760         regs_invalidated_by_call.
6761
6762 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
6763
6764         PR tree-optimization/15262
6765         * tree-dfa.c (dump_variable): Also print the type of the
6766         variable.
6767         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
6768         memory tags are of conflicting alias sets but have no aliased
6769         symbols in common, add one tag to the alias set of the other.
6770         (setup_pointers_and_addressables): Remove hack to deal with
6771         programs with no aliased symbols.
6772         (may_alias_p): Don't special case aggregate types.
6773
6774 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
6775
6776         PR c/15498
6777         * doc/invoke.texi (Environment Variables): Correct example locale.
6778
6779 2004-09-14  Jan Hubicka  <jh@suse.cz>
6780
6781         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
6782
6783 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
6784
6785         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
6786
6787 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
6788
6789         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
6790         restrict_p.
6791         (struct c_declarator): Change u.array.quals and pointer_quals to
6792         int.  Add u.array.attrs.
6793         (quals_from_declspecs): New.
6794         * c-decl.c (quals_from_declspecs): New.
6795         (shadow_tag_warned): Give more specific message for useless type
6796         qualifiers.
6797         (build_array_declarator, set_array_declarator_inner,
6798         grokdeclarator, make_pointer_declarator, build_null_declspecs,
6799         declspecs_add_qual): Update for changed structures.
6800
6801 2004-09-14  Jeff Law  <law@redhat.com>
6802
6803         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
6804         to a global varray.
6805         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
6806         (dom_opt_initialize_block_local_data): No longer test state
6807         of stmts_to_rescan.
6808         (dom_opt_finalize_block): Update due to change in scope of
6809         stmts_to_rescan.
6810         (optimize_stmt): Similarly.
6811
6812 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
6813
6814         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
6815         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
6816         comment typos.  Follow spelling conventions.
6817
6818 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
6819
6820         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
6821         config/i386/predicates.md, config/sparc/sparc.c: Follow
6822         spelling conventions.
6823
6824 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6825             Steven Bosscher  <stevenb@suse.de>
6826
6827         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
6828         * basic-block.h (struct reorder_block_def): Add copy_number field.
6829         * cfgloop.h (biv_p): Declare.
6830         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
6831         * common.opt (fsplit-ivs-in-unroller): New flag.
6832         * loop-iv.c (biv_p): New function.
6833         * loop-unroll.c: Include hashtab.h and recog.h.
6834         (struct iv_to_split, struct split_ivs_info): New types.
6835         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
6836         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
6837         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
6838         insert_base_initialization, split_iv): New functions.
6839         (peel_loop_completely, unroll_loop_constant_iterations,
6840         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
6841         Use them.
6842         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
6843
6844 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6845
6846         * tree-cfg.c (thread_jumps): Update dominators correctly in
6847         case destination of threaded edge dominates its source.
6848
6849 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6850
6851         * unroll.c: Removed.
6852         * loop.h: Removed.
6853         * Makefile.in (LOOP_H, unroll.o): Removed.
6854         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
6855         dependency.
6856         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
6857         reference.
6858         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
6859         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
6860         * loop.c: Do not include loop.h.
6861         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
6862         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
6863         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
6864         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
6865         struct loop_regs, struct loop_movables, struct loop_info): Moved
6866         from loop.h.
6867         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
6868         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
6869         find_common_reg_term, loop_iterations, final_giv_value): Moved
6870         from unroll.c.
6871         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
6872         loop_dump_stream, for_each_insn_in_loop, express_from,
6873         extend_value_for_giv, loop_iv_add_mult_emit_before,
6874         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
6875         loop_insn_first_p, get_condition_for_loop,
6876         loop_insn_emit_before, loop_insn_hoist,
6877         loop_insn_sink): Made static.
6878         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
6879         reference.
6880         (strength_reduce): Do not call unroller.
6881         (record_giv): Do not initialize unrolled field.
6882         (prescan_loop): Do not set loop_info->preconditioned.
6883         * passes.c: Do not include loop.h.
6884         (rest_of_handle_loop_optimize): Do not call unroller.
6885         * predict.c: Do not include loop.h.
6886         * rtl.h (NOTE_PRECONDITIONED): Removed.
6887         * stmt.c: Do not include loop.h.
6888         * toplev.c: Do not include loop.h.
6889         (process_options): Do not handle flag_old_unroll_loops.
6890
6891         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
6892         Documentation removed.
6893         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
6894
6895 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
6896
6897         * Makefile.in (STAGE1_CHECKING): New variable.
6898         (stage1_build): Use it.
6899         * tree-ssa.c (verify_ssa): Preserve state of dominance
6900         information.
6901
6902 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
6903
6904         * config/i386/i386.c (output_fp_compare): Add generation
6905         of ftst instruction.
6906         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
6907         Use output_fp_compare () function.
6908         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
6909         (fix_truncdi_memory): Remove operands[5] copy.
6910
6911 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
6912
6913         * config/m32r/m32r.md, config/m68k/m68kelf.h,
6914         config/mcore/mcore.md, config/rs6000/linux64.h,
6915         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
6916         typos.
6917
6918 2004-09-13  James E Wilson  <wilson@specifixinc.com>
6919
6920         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
6921         * gen-protos.c: Include errors.h.
6922         (progname): Delete.
6923
6924 2004-09-14  Jan Hubicka  <jh@suse.cz>
6925
6926         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
6927         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
6928         (predict_loops): Use number_of_iterations_exit to predict
6929         number of iterations on trees.
6930
6931 2004-09-13  Dale Johannesen  <dalej@apple.com>
6932
6933         PR 17408
6934         PR 17409
6935         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
6936         objects declared extern.
6937
6938 2004-09-14  Paul Brook  <paul@codesourcery.com>
6939
6940         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
6941         HOST_WIDE_INT.
6942
6943 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
6944
6945         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
6946         Only use TYPE_BINFO for aggregates.
6947
6948 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
6949
6950         * expmed.c (synth_mult): Initialize latency.  Check cost before
6951         checking ops count.
6952
6953 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
6954
6955         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
6956         add_call_clobber_ops and add_call_read_ops.
6957         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
6958         the number of vdefs and vuses inserted based on analysis of global
6959         variables across calls.  * tree-dfa.c (find_referenced_vars):
6960         Needed to reset static var maps before each function is compiled.
6961         * cgraphunit.c:
6962         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
6963         static_vars_info,functions_to_static_vars_info,module_statics_escape,
6964         all_module_statics,searchc_env,dfs_info): New fields to support
6965         analysis of static global variables.
6966         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
6967         cgraph_reset_static_var_maps, get_global_static_vars_info,
6968         get_global_statics_not_read, get_global_statics_not_written,
6969         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
6970         check_rhs_var, check_lhs_var, get_asm_expr_operands,
6971         process_call_for_static_vars, scan_for_static_refs,
6972         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
6973         clear_static_vars_maps, cgraph_propagate_bits,
6974         cgraph_characterize_statics): New. Functions to support analysis
6975         of static global variables.
6976         (cgraph_mark_local_and_external_functions): Renamed from:
6977         (cgraph_mark_local_functions)
6978         (cgraph_expand_all_functions): Remove call to
6979         cgraph_mark_local_and_external_functions.
6980         (cgraph_optimize): Added driver to analyze static variables whose
6981         scope is within the compilation unit.  * cgraph.h (struct
6982         cgraph_local_info, GTY): Added statics_read, statics_written,
6983         local, calls_read_all, calls_write_all, for_functions_valid.
6984         (struct cgraph_node): Added next_cycle.  * cgraph.c
6985         (dump_cgraph_node): Added print routines for new fields.  *
6986         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
6987         list.
6988
6989 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
6990
6991         * c-decl.c (grokdeclarator): Correct comments about where storage
6992         class specifiers are rejected by grammar and add corresponding
6993         asserts.  Diagnose typedefs and parameters declared inline.
6994         Change warning for inline main to a pedwarn.  Only diagnose inline
6995         main if hosted.
6996         (declspecs_add_scspec): Allow duplicate "inline".
6997
6998 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
6999
7000         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
7001         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
7002
7003 2004-09-13  Richard Henderson  <rth@redhat.com>
7004
7005         PR 17436
7006         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
7007         (tree_type): Replace spare with contains_placeholder_bits.
7008         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
7009         make static.  Remove seen_types list.
7010         (type_contains_placeholder_p): New.
7011
7012 2004-09-13  James E Wilson  <wilson@specifixinc.com>
7013
7014         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
7015         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
7016         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
7017         bdesc_arrays instead of mips_bdesc.
7018         (mips_init_builtins): Likewise.
7019         * config/mips/mips.h (TARGET_SB1): New.
7020         (HAVE_SQRT_P): Delete.
7021         * config/mips/mips.md (divide_condition): Support V2SF.
7022         (sqrt_condition, recip_condition): New.
7023         (div<mode>3): Use ANYF instead of SCALARF.
7024         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
7025         MODE.
7026         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
7027         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
7028         instead of MODE.
7029         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
7030         instead of SCALARF.  Use UNITMODE instead of MODE.
7031
7032 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
7033
7034         * config.in: Regenerate after removal of libbanshee.
7035
7036 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
7037
7038         PR tree-optimization/17400
7039         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
7040         coalesce partitions when one occurs in an abnormal PHI.
7041
7042 2004-09-13  Andrew Pinski  <apinski@apple.com>
7043
7044         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
7045         name to _new_size.
7046
7047 2004-09-13  Richard Henderson  <rth@redhat.com>
7048
7049         PR inline-asm/6806
7050         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
7051         (cselib_invalidate_rtx_note_stores): New.
7052         (cselib_record_sets, cselib_process_insn): Update to match.
7053         * cselib.h (cselib_invalidate_rtx): Declare.
7054         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
7055
7056 2004-09-13  Richard Henderson  <rth@redhat.com>
7057
7058         PR tree-opt/10528
7059         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
7060         after copying its argument.
7061
7062 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
7063
7064         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
7065         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
7066         in diagnostics.  Use %' for English apostrophes.
7067         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
7068         (pedwarn_c90, pedwarn_c99): Use it.
7069         * c-decl.c (lookup_label): Quote label name in diagnostic.
7070         * c-parse.in (yyprint): Use ' instead of ` for left quote.
7071         * c-typeck.c (warn_for_assignment): Likewise.
7072
7073 2004-09-13  Jan Hubicka  <jh@suse.cz>
7074
7075         * i386.c (x86_schedule): New global variable.
7076         (override_options): Disable scheduling when not supported.
7077         * i386.h (x86_schedule): Declare.
7078         (TARGET_SCHEDULE): New macro.
7079
7080 2004-09-12  Richard Henderson  <rth@redhat.com>
7081
7082         PR c++/16254
7083         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
7084         * tree.c, tree.h (has_cleanups): Remove.
7085
7086 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7087
7088         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
7089         arguments of the phi nodes correctly.
7090
7091 2004-09-12  Jan Hubicka  <jh@suse.cz>
7092
7093         * ggc-common.c (cmp_statistics): Fix sorting.
7094
7095 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
7096
7097         PR target/16795
7098         * expmed.c (expand_divmod): If cheap power of 2 divide is
7099         available, use it for negative constant as well.
7100
7101 2004-09-12  Andrew Pinski  <apinski@apple.com>
7102
7103         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
7104         size of 0.
7105
7106         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
7107
7108 2004-09-12  Richard Henderson  <rth@redhat.com>
7109
7110         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
7111         or minus one.
7112         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
7113         post-reload, and scratch NULL.
7114         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
7115         (x86_shift_adj_2): Use ix86_expand_clear.
7116         (ashldi3): Remove CMOVE expansion difference.
7117         (ashldi3_1): Remove.
7118         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
7119         add constraints for immediates.  New peephole for split-with-temp.
7120         Run splitter after peep2 pass.
7121         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
7122         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
7123         (setcc_2): Rename with *.
7124         * config/i386/predicates.md (reg_or_pm1_operand): New.
7125         (ashldi_input_operand): New.
7126
7127 2004-09-12  Richard Henderson  <rth@redhat.com
7128
7129         * print-rtl.c (print_decl_name): New.
7130         (print_mem_expr): Use it.
7131
7132 2004-09-12  Richard Henderson  <rth@redhat.com
7133
7134         PR 17186, part deux
7135         * except.c (sjlj_emit_function_exit): Fix logic locating
7136         sjlj_exit_after in final block.
7137
7138 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
7139
7140         * common.opt: Remove flags -fmove-all-movables and
7141         -freduce-all-givs.
7142         * loop-invariant.c (find_invariants_to_move):
7143         Remove all uses of flag_move_all_movables.
7144         * loop.c (move_movables): Remove all uses of
7145         flag_move_all_movables.
7146         (strength_reduce): Remove all uses of
7147         flag_reduce_all_givs.
7148         * doc/invoke.texi: Remove documentation of flags
7149         -fremove-all-movables and -freduce-all-givs.
7150
7151 2004-09-11  Roger Sayle  <roger@eyesopen.com>
7152
7153         PR middle-end/17411
7154         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
7155         change. elt->type may be a floating point type, so use fold_convert.
7156
7157 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
7158
7159         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
7160         the thing referenced as used, not the stub itself.
7161
7162 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7163
7164         * c-tree.h (enum c_storage_class): New.
7165         (struct c_declspecs): Add storage_class, inline_p and thread_p.
7166         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
7167         declarations and "auto" or "register" in file scope empty
7168         declarations.  Give more specific warnings for other cases of
7169         storage class specifiers in empty declarations.
7170         (grokdeclarator): Update for new structures.  Don't check for
7171         multiple storage classes.  Diagnose file-scope "register" if
7172         pedantic.
7173         (build_null_declspecs): Update.
7174         (declspecs_add_scspec): Update.  Diagnose multiple storage class
7175         specifiers and invalid uses of "__thread".
7176
7177 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
7178
7179         * tree.c (tree_code_size): New function, bulk of code from tree_size.
7180         (tree_size, make_node): Use it.
7181         * tree-ssa-pre.c (init_pre): Use it.
7182         * tree.h: Prototype it.
7183
7184 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7185
7186         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
7187         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
7188         redirect_immediate_use): Use PHI_DF.
7189         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
7190         (bb_for_stmt): Use PHI_BB.
7191         (get_immediate_uses): Use PHI_DF.
7192         * tree-ssa-dse.c (max_stmt_uid): New variable.
7193         (get_stmt_uid): New function.
7194         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
7195         node annotations.
7196         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
7197         (max_uid): Renamed to max_stmt_uid.
7198         (get_stmt_uid): New function.
7199         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
7200         phi node annotations.
7201         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
7202         * tree.h (PHI_BB, PHI_DF): New accessor functions.
7203         (struct tree_phi_node): Add bb and df fields.
7204
7205 2004-09-11  Richard Henderson  <rth@redhat.com>
7206
7207         PR middle-end/17416
7208         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
7209         in conflict loop.
7210
7211 2004-09-11  Jan Hubicka  <jh@suse.cz>
7212
7213         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
7214         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
7215         * i386.md (i387_cw): Add 'uninitialized' mode.
7216
7217         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
7218         (output_location): Break out from ....
7219         (branch_prob): ... here; handle gcov output on trees.
7220         * toplev.c (process_options): No longer be sorry about coverage for
7221         trees.
7222
7223 2004-09-11  Steven Bosscher  <stevenb@suse.de>
7224
7225         PR c++/17412
7226         * fold-const.c (fold): Do not try to fold the operand of a
7227         CLEANUP_POINT_EXPR if that operand does itself not have any
7228         operands.
7229
7230         PR middle-end/17417
7231         * langhooks.c (lhd_decl_printable_name): Make sure that this
7232         function is called with is a decl node that has an identifier.
7233         * tree-pretty-print.c (dump_function_name): New function to
7234         wrap PRINT_FUNCTION_NAME and dump_decl_name.
7235         (print_call_name): Use it.
7236
7237 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
7238
7239         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
7240         "config.h" if not.
7241
7242 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
7243
7244         * tree-ssa-alias.c (collect_points_to_info_r): Handle
7245         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
7246         to OFFSET.
7247
7248 2004-09-11  Richard Henderson  <rth@redhat.com>
7249
7250         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
7251         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
7252         operand of the ADDR_EXPR.
7253         (expand_expr_real_1): Update to match.
7254
7255 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
7256
7257         PR target/17277
7258         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
7259         choose 64-bit version.
7260
7261 2004-09-11  Richard Henderson  <rth@redhat.com>
7262
7263         PR c/17396
7264         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
7265
7266 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
7267
7268         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
7269         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
7270         Insert @: after i.e. or e.g.
7271
7272 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
7273
7274         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
7275         D.xxx rather than <Dxxx>.
7276
7277 2004-09-10  Adam Nemet  <anemet@lnxw.com>
7278
7279         * configure.ac (AC_MSG_CHECKING(what linker to use)):
7280         in_tree_ld_is_elf should be true for LynxOS.
7281         * configure: Regenerate.
7282
7283 2004-09-10  Adam Nemet  <anemet@lnxw.com>
7284
7285         * Makefile.in (all.cross): Add srcextra.
7286
7287 2004-09-10  Roger Sayle  <roger@eyesopen.com>
7288
7289         PR middle-end/17024
7290         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
7291         floating point comparison operators.  Change aborts to gcc_asserts.
7292
7293 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
7294
7295         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
7296
7297 2004-09-10  James E Wilson  <wilson@specifixinc.com>
7298
7299         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
7300         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
7301
7302         * convert.c (convert_to_vector): Replace recursive call with
7303         error_mark_node.
7304
7305         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
7306         Add integer argument named constant.  Use const_tiny_rtx instead of
7307         CONST0_RTX.
7308         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
7309         and CONST1_RTX.
7310         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
7311         vector types.
7312         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
7313         of gen_rtx_raw_CONST_VECTOR.
7314
7315 2004-09-10  Eric Christopher  <echristo@redhat.com>
7316
7317         PR c/16046
7318         * c-parse.in (attribute): Add NULL_TREE for error case
7319         for error recovery.
7320
7321 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
7322
7323         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
7324         (extract_interface_info): Delete prototype.
7325         * c-decl.c (extract_interface_info): Delete stub.
7326         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
7327         it's not already been done ...
7328         (init_c_lex): ... not here.
7329         (fe_file_change): Don't call extract_interface_info.
7330
7331 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
7332
7333         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
7334         typedef_p and typedef_signed_p.
7335         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
7336         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
7337         Check typedef_p and typedef_signed_p, not typedef_decl.
7338         (grokfield): Check typedef_p, not typedef_decl.
7339         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
7340         not typedef_decl.
7341         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
7342         typedef_decl.
7343
7344 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
7345
7346         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
7347
7348 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
7349
7350         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
7351         temporary variables.
7352
7353         * dbxout.c (dbxout_block): Update for
7354         current_function_func_begin_label a string.
7355         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
7356         * except.c (dw2_output_call_site_table): Likewise.
7357         * toplev.c (current_function_func_begin_label): Likewise.
7358         * tree.h (current_function_func_begin_label): Likewise.
7359         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
7360
7361         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
7362         loop.
7363
7364         * config/darwin.c: Include target.h.
7365         (struct machopic_indirection): Make ptr_name a string.
7366         (machopic_indirection_hash): Update for ptr_name a string.
7367         (machopic_indirection_eq): Likewise.
7368         (machopic_indirection_name): Likewise.
7369         (machopic_output_indirection): Likewise.
7370         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
7371         string.  Don't expect stub names to be in the identifier hash table.
7372         Do call strip_name_encoding before looking up entry in ID hash table.
7373         * config/t-darwin (darwin.o): Add target.h to dependencies.
7374
7375         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
7376         of fprintf for register names.
7377
7378         * output.h (unlikely_section_label): Delete declaration.
7379         (unlikely_text_section_name): Likewise.
7380         * varasm.c (unlikely_section_label_printed): Make static.
7381         (unlikely_section_label): Likewise.
7382         (unlikely_text_section_name): Likewise.
7383         (assemble_start_function): Use reconcat.
7384
7385         * rtl.def (REG): Add comment to describe third field.
7386
7387 2004-09-10  Andrew Pinski  <apinski@apple.com>
7388
7389         * config/darwin.c (machopic_mcount_stub_name): Call
7390         machopic_indirection_name instead of making the string
7391         ourselves.
7392
7393 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
7394
7395         Revert
7396
7397         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
7398
7399             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
7400             memory tag is call clobbered, so are its aliases.
7401             (group_aliases): When two memory tags being grouped, if one is
7402             call clobbered, so are the other and its aliases.
7403             (add_may_alias): Remove call-clobbering stuff.
7404             (replace_may_alias): Likewise.
7405             (merge_pointed_to_info): Merge pt_global_mem
7406
7407 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
7408
7409         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
7410         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
7411         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
7412         tree-scalar-evolution.c, tree-ssa-copyrename.c,
7413         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
7414
7415 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
7416
7417         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
7418         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
7419         pair.  Remove match_dup from inputs.  Remove masaccs handling.
7420         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
7421         (masaccs, mdasaccs): Turn into define_insns.
7422
7423 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
7424
7425         * tree-tailcall.c (process_assignment): Only do accumulator transforms
7426         for floating-point types if flag_unsafe_math_optimizations.
7427
7428 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
7429
7430         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
7431         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
7432         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
7433         config/h8300/h8300.md, config/i386/gmm_malloc.h,
7434         config/ia64/ia64.md, config/ip2k/libgcc.S,
7435         config/mips/mips-ps-3d.md, config/mips/mips.c,
7436         config/rs6000/rs6000.c, config/s390/s390.c,
7437         config/sh/symbian.c: Fix comment typos.
7438
7439 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
7440
7441         * config/s390/s390.c (s390_emit_prologue): Added missing
7442         "{}" brackets.
7443
7444 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
7445
7446         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
7447         typos.  Follow spelling conventions.
7448
7449 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
7450
7451         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
7452         in diagnostic.  Don't dereference NULL TYPE_NAME.
7453
7454 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
7455
7456         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
7457         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
7458         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
7459         value-prof.c: Fix comment typos.  Follow spelling conventions.
7460
7461 2004-09-10  Jan Hubicka  <jh@suse.cz>
7462
7463         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
7464         * tree-split_edge.c (tree_split_edge): Likewise.
7465         (thread_jumps): Likewise.
7466
7467 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
7468
7469         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
7470         typos.
7471
7472 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
7473
7474         * cgraph.h (cgraph_dump_file): Do not declare.
7475         * cgraphunit.c (cgraph_dump_file): Declare as static.
7476         (init_cgraph): New.
7477         * toplev.c (cgraph_dump_file): Do not declare.
7478         (compile_file): Call init_cgraph.
7479         * tree-dump.c (dump_files): Add IPA dump file, remove
7480         XML dump of call graph.
7481         (get_dump_file_name): Support IPA dump file naming scheme.
7482         * tree.h (enum tree_dump_index): Add IPA dump file, remove
7483         XML dump of call graph.
7484         * doc/invoke.texi (Debugging Options): Document the new options.
7485
7486 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
7487
7488         * doc/extend.texi: Document the FR-V built-in functions.
7489
7490 2004-09-09  James E Wilson  <wilson@specifixinc.com>
7491
7492         * doc/sourcebuild.texi: Delete libbanshee reference.
7493
7494 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
7495
7496         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
7497
7498 2004-09-09  James E Wilson  <wilson@specifixinc.com>
7499
7500         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
7501         before calling vector_types_convertible_p.
7502         (digest_init): Check that inside_init has VECTOR_TYPE before calling
7503         vector_types_convertible_p.  Don't give another error if
7504         convert_for_assignment returns error_mark_node.
7505
7506 2004-09-09  Roger Sayle  <roger@eyesopen.com>
7507
7508         PR middle-end/17055
7509         * fold-const.c (build_zero_vector): New function to construct a
7510         vector (either floating point or integer) of zeros.
7511         (fold_convert): Internally, enable conversions of integer zero
7512         to arbitrary vector types, using the new build_zero_vector.
7513
7514 2004-09-09  Roger Sayle  <roger@eyesopen.com>
7515
7516         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
7517         expand a left shift by an immediate constant as either an ashl or
7518         a sequence of additions.
7519         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
7520         instead of calling gen_ashlsi3 with a constant directly.
7521
7522 2004-09-09  Roger Sayle  <roger@eyesopen.com>
7523
7524         * config/i386/i386.c (ix86_split_long_move): When optimizing for
7525         size, and the low and high parts of a DImode constant are equal,
7526         copy one register to another instead of loading the same immediate
7527         value twice.
7528
7529 2004-09-09  Richard Henderson  <rth@redhat.com>
7530
7531         PR middle-end/17367
7532         * function.c (assign_parm_setup_block): Only put PARALLELs into
7533         a register if use_register_for_decl.
7534
7535 2004-09-09  Eric Christopher  <echristo@redhat.com>
7536
7537         * ra-colorize.c (reset_lists): Move variable declaration inside
7538         ENABLE_CHECKING to avoid unused variable warnings when
7539         not --enable-checking.
7540         (check_colors): Ditto.
7541
7542 2004-09-09  Mike Stump  <mrs@apple.com>
7543
7544         * version.c (version_string): Bump to 4.0.0.
7545         * doc/include/gcc-common.texi (version-GCC): Likewise.
7546
7547 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
7548
7549         * doc/extend.texi (nothrow attribute): The attribute is not
7550         implemented in 3.2 and earlier.
7551
7552 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
7553
7554         * genrecog.c (compute_predicate_codes): Use op0_codes
7555         instead of codes.
7556
7557 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
7558
7559         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
7560         implementation changes.
7561
7562 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
7563
7564         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
7565         a PARALLEL instead of a SET due to added clobbers.
7566
7567 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
7568
7569         * reload.c (find_reloads_address): Pass correct operand to
7570         maybe_memory_address_p.
7571
7572 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
7573
7574         * Makefile.in: Remove libbanshee, tree-alias-*.
7575         Remove tree-alias-common.h dependencies.
7576         * common.opt: Remove -ftree-points-to.
7577         * configure.ac: Remove libbanshee.
7578         * flags.h: Remove pta_type, flag_tree_points_to.
7579         * gengtype.c (open_base_files): Remove tree-alias-type.h.
7580         * opts.c (OPT_ftree_points_to): Remove.
7581         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
7582         * tree-dfa.c: Remove tree-alias-common.h
7583         * tree-into-ssa.c: Ditto.
7584         * tree-outof-ssa.c: Ditto.
7585         * tree-ssa-copyrename.c: Ditto.
7586         * tree-ssa-live.c: Ditto.
7587         * tree-optimize.c: Ditto.
7588         * tree-ssa.c: Ditto.
7589         Remove pass_build_pta, pass_del_pta.
7590         * tree-pass.h: Ditto.
7591         * tree-ssa-alias.c: Remove tree-alias-common.h.
7592         (struct alias_stats_d): Remove pta_queries, pta_resolved.
7593         (pass_may_alias): Remove PROP_pta requirement.
7594         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
7595         (get_tmt_for): Ditto.
7596         (dump_alias_stats): Ditto.
7597         * doc/passes.texi: Remove blurb about points-to analysis.
7598         * fortran/Make-lang.in: Remove tree-alias-*.o.
7599
7600 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
7601
7602         * genattrtab.c (write_insn_cases): New function, split out from
7603         write_attr_case.  Correctly handle define_peepholes when printing
7604         the instruction name.
7605         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
7606
7607 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
7608
7609         PR target/17377
7610         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
7611         * config/cris/cris.c (cris_return_address_on_stack): New function.
7612         * config/cris/cris.md ("return"): For location of return address,
7613         also check cris_return_address_on_stack.
7614
7615 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
7616
7617         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
7618         calling phi_ssa_name_p.
7619
7620 2004-09-09  Richard Henderson  <rth@redhat.com>
7621
7622         PR c/17322
7623         * c-typeck.c (valid_compound_expr_initializer): Use only
7624         initializer_constant_valid_p, and not TREE_CONSTANT.
7625         (digest_init): Likewise.
7626         (output_init_element): Likewise.
7627
7628 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
7629
7630         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
7631         live_out_1, prune_hardregs_for_mode, init_one_web_common,
7632         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
7633         record_conflict, compare_and_free_webs, init_webs_defs_uses,
7634         parts_to_webs_1, parts_to_webs, reset_conflicts,
7635         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
7636         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
7637         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
7638         put_move, remove_move, combine, select_spill, colorize_one_web,
7639         try_recolor_web, insert_coalesced_conflicts, check_colors,
7640         break_precolored_alias, restore_conflicts_from_coalesce,
7641         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
7642         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
7643         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
7644         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
7645         check_df): Likewise.
7646         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
7647         real_arithmetic, real_compare, real_exponent, real_ldexp,
7648         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
7649         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
7650         real_digit, real_nan, real_maxval, round_for_format, real_convert,
7651         real_to_target, real_from_target, real_hash, encode_ieee_single,
7652         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
7653         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
7654         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
7655         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
7656         extract_insn, peep2_next_insn, peep2_reg_dead_p,
7657         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
7658         if_test_bypass_p): Likewise.
7659         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
7660         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
7661         emit_swap_insn, swap_to_top, move_for_stack_reg,
7662         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
7663         compensate_edge, convert_regs_1): Likewise.
7664         * regclass.c (init_reg_sets, init_reg_sets_1,
7665         memory_move_secondary_cost): Likewise.
7666         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
7667         Likewise.
7668         * reload.c (push_secondary_reload, find_valid_class, push_reload,
7669         operands_match_p, decompose, immune_p, find_reloads,
7670         find_reloads_toplev, find_reloads_address_1, subst_reloads,
7671         copy_replacements, refers_to_regno_for_reload_p,
7672         reg_overlap_mentioned_for_reload_p): Likewise.
7673         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
7674         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
7675         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
7676         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
7677         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
7678         do_output_reload, fixup_abnormal_edges): Likewise.
7679         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
7680         fill_slots_from_thread, relax_delay_slots): Likewise.
7681         * resource.c (mark_referenced_resources, mark_set_resources):
7682         Likewise.
7683         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
7684         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
7685         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
7686         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
7687         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
7688         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
7689         * rtlhooks.c (gen_lowpart_general): Likewise.
7690         * sbitmap.c (sbitmap_difference): Likewise.
7691         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
7692         sched_analyze, add_forward_dependence): Likewise.
7693         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
7694         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
7695         schedule_insns): Likewise.
7696         * sched-vis.c (print_pattern): Likewise.
7697         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
7698         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
7699         simplify_const_relational_operation, simplify_ternary_operation,
7700         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
7701         Likewise.
7702         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
7703         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
7704         resolve_operand_name_1, expand_return, expand_decl,
7705         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
7706         * stor-layout.c (put_pending_size, smallest_mode_for_size,
7707         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
7708         set_sizetype, get_mode_bounds): Likewise.
7709
7710 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
7711
7712         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
7713         * config/arm/pecoff.h, config/i386/beos-elf.h
7714         * config/i386/cygming.h, config/i386/i386-interix.h:
7715         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
7716         comment cloned from manual.
7717         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
7718
7719 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
7720
7721         * builtins.c (build_va_arg_indirect_ref): New function.
7722         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
7723         build_fold_indirect_ref.
7724         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
7725         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
7726         * tree.h: Declare new function.
7727
7728 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7729
7730         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
7731         dumping for development builds.
7732         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
7733         development builds only.
7734         * genattrtab.c (write_eligible_delay): Fix typo in previous
7735         commit.
7736         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
7737         gcc_assert.
7738
7739 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7740
7741         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
7742         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
7743         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
7744         hoist_code, extract_mentioned_regs_helper, compute_store_table,
7745         insert_store): Use gcc_assert and gcc_unreachable.
7746         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
7747         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
7748         ggc_record_overhead): Likewise.
7749         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
7750         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
7751         ggc_pop_context, clear_marks, validate_free_objects,
7752         ggc_pch_read): Likewise.
7753         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
7754         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
7755         ggc_push_context, check_cookies, ggc_collect,
7756         ggc_print_statistics): Likewise.
7757         * gimple-low.c (lower_function_body, lower_stmt,
7758         lower_bind_expr): Likewise.
7759         * gimplify.c (gimple_tree_eq, push_gimplify_context,
7760         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
7761         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
7762         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
7763         gimplify_case_label_expr, gimplify_exit_block_expr,
7764         canonicalize_component_ref, gimplify_compound_lval,
7765         gimplify_self_mod_expr, gimplify_call_expr,
7766         gimplify_init_ctor_eval, gimplify_init_constructor,
7767         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
7768         gimplify_expr, check_pointer_types_r,
7769         force_gimple_operand): Likewise.
7770         * global.c (global_alloc, build_insn_chain): Likewise.
7771         * graph.c (clean_graph_dump_file,
7772         finish_graph_dump_file): Likewise.
7773         gcov-io.c (gcov_open): Use GCOV_CHECK.
7774
7775 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
7776
7777         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
7778
7779 2004-09-09  Jan Hubicka  <jh@suse.cz>
7780
7781         middle-end/17128
7782         * tree-inline.c (expand_call_inline): Make overactive sanity check
7783         happy.
7784
7785 2004-09-09  Jan Hubicka  <jh@suse.cz>
7786
7787         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
7788         VIEW_CONVERT_EXPR.
7789
7790 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7791
7792         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
7793         (gengtype.o): Depend on errors.h.
7794         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
7795         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
7796         attr_alt_subset_p, attr_alt_subset_of_compl_p,
7797         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
7798         write_test_expr, write_attr_value, write_eligible_delay,
7799         make_internal_attr, make_numeric_value): Likewise.
7800         * genautomata.c (regexp_name, get_str_vect,
7801         gen_presence_absence_set, automaton_decl_hash,
7802         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
7803         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
7804         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
7805         test_unit_reserv, it_is_empty_reserv_sets,
7806         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
7807         reserv_sets_and, output_cycle_reservs, get_free_state,
7808         intersected_state_reservs_p, states_union, remove_arc,
7809         copy_insn_regexp, transform_1, transform_2, transform_3,
7810         regexp_transform_func, store_alt_unit_usage,
7811         check_regexp_units_distribution, process_seq_for_forming_states,
7812         process_alts_for_forming_states, make_automaton,
7813         form_arcs_marked_by_insn, create_composed_state,
7814         set_out_arc_insns_equiv_num, partition_equiv_class,
7815         process_insn_equiv_class, set_insn_equiv_classes,
7816         units_to_automata_heuristic_distr, form_regexp,
7817         longest_path_length, output_dfa_max_issue_rate, add_vect,
7818         out_state_arcs_num, add_vect_el, output_trans_table,
7819         output_state_alts_table, output_dead_lock_vect,
7820         output_max_insn_queue_index_def,
7821         output_min_insn_conflict_delay_func,
7822         output_internal_insn_latency_func, output_print_reservation_func,
7823         output_cpu_unit_reservation_p, output_state_arcs,
7824         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
7825         make_default_insn_latency_attr,
7826         form_important_insn_automata_lists): Likewise.
7827         * genemit.c (gen_exp, output_add_clobbers,
7828         output_added_clobbers_hard_reg_p): Likewise.
7829         * genextract.c (print_path, main): Likewise.
7830         * genflags.c (gen_macro): Likewise.
7831         * gengenrtl.c: Include errors.h
7832         (type_from_format, accessor_from_format): Likewise.
7833         * gengtype.c (get_file_basename, output_mangled_typename,
7834         walk_type, write_types_process_field,
7835         write_types_local_process_field): Likewise.
7836         * genmodes.c (complete_mode): Likewise.
7837         * genopinit.c (gen_insn): Likewise.
7838         * genoutput.c (output_insn_data, check_constraint_len,
7839         constraint_len): Likewise.
7840         * genpreds.c (add_mode_tests):Likewise.
7841         * gen-protos.c (add_hash): Likewise.
7842         * genrecog.c (find_operand, find_matching_operand,
7843         validate_pattern, add_to_sequence, maybe_both_true,
7844         nodes_identical_1, merge_trees, write_switch, write_cond,
7845         write_action, is_unconditional, make_insn_sequence,
7846         debug_decision_2): Likewise.
7847         * gensupport.c (is_predicable, collect_insn_data,
7848         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
7849
7850 2004-09-09  Jan Hubicka  <jh@suse.cz>
7851
7852         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
7853         * cfgbuild.c (compute_outgoing_frequencies): When probability is
7854         missing, guess it.
7855         (find_many_sub_basic_blocks): Do update profile only when it is
7856         present.
7857         * predict.c (set_even_probabilities): Break out from ...
7858         (combine_predictions_for_insn): ... here; deal with
7859         !can_predict_insn_p insns.
7860         (combine_predictions_for_bb): Use set_even_probabilities.
7861         (bb_estimate_probability_locally): Break out from ....
7862         (estimate_probability): ... here.
7863         (guess_outgoing_edge_probabilities): New entry point.
7864
7865 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
7866
7867         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
7868         handle_braces, process_brace_body, main, used_arg,
7869         set_multilib_dir, print_multilib_info): Use fatal, not abort.
7870
7871         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
7872
7873         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
7874         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
7875         Morgan's theorem in last checkin.
7876
7877 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
7878             Nathan Sidwell  <nathan@codesourcery.com>
7879
7880         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
7881         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
7882         * timevar.c (timevar_push, timevar_pop, timevar_start,
7883         timevar_stop): Likewise.
7884         * toplev.c (default_pch_valid_p): Likewise.
7885         * tracer.c (tail_duplicate): Likewise.
7886         * tree-alias-common.c (get_alias_var_decl,
7887         get_values_from_constructor, create_alias_var, delete_alias_vars,
7888         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
7889         Likewise.
7890         * tree.c (tree_size, make_node_stat, copy_node_stat,
7891         build_int_cst_wide, integer_all_onesp, list_length, chainon,
7892         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
7893         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
7894         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
7895         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
7896         build_method_type_directly, decl_type_context, get_callee_fndecl,
7897         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
7898         tree_fold_gcd): Likewise.
7899         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
7900         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
7901         cleanup_control_expr_graph, find_taken_edge,
7902         find_taken_edge_switch_expr, phi_alternatives_equal,
7903         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
7904         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
7905         tree_split_edge, tree_verify_flow_info, thread_jumps,
7906         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
7907         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7908         chrec_fold_multiply_poly_poly): Likewise.
7909         * tree-complex.c (extract_component, expand_complex_division,
7910         expand_complex_comparison, expand_complex_operations_1,
7911         build_replicated_const, expand_vector_operations_1): Likewise.
7912         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
7913         build_classic_dir_vector): Likewise.
7914         * tree-dfa.c (compute_immediate_uses_for_phi,
7915         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
7916         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
7917         * tree-dump.c (dequeue_and_dump): Likewise.
7918         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
7919         record_in_finally_tree, replace_goto_queue_1,
7920         maybe_record_in_goto_queue, verify_norecord_switch_expr,
7921         do_return_redirection): Likewise.
7922         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
7923         add_to_dst_predicate_list, find_phi_replacement_condition,
7924         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
7925         Likewise.
7926         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
7927         initialize_inlined_parameters, declare_return_variable,
7928         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
7929         optimize_inline_calls, copy_tree_r): Likewise.
7930         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
7931         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
7932         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
7933         tsi_split_statement_list_after, tsi_split_statement_list_before):
7934         Likewise.
7935         * tree-mudflap.c (mf_varname_tree): Likewise.
7936         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
7937         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
7938         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7939         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
7940         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
7941         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
7942         Likewise.
7943         * tree-phinodes.c (resize_phi_node, add_phi_arg,
7944         remove_all_phi_nodes_for): Likewise.
7945         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
7946         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
7947         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
7948         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
7949         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
7950         generate_one_element_ref, generate_element_copy,
7951         generate_element_zero, scalarize_copy, scalarize_init,
7952         scalarize_ldst): Likewise.
7953         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
7954         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
7955         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
7956         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
7957         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
7958         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
7959         widen_bitfield, ccp_fold_builtin): Likewise.
7960         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
7961         replace_exp_1, propagate_tree_value): Likewise.
7962         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
7963         * tree-ssa-dce.c (set_control_dependence_map_bit,
7964         find_control_dependence, find_pdom, mark_operand_necessary,
7965         mark_stmt_if_obviously_necessary,
7966         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
7967         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
7968         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
7969         eliminate_redundant_computations, avail_expr_eq): Likewise.
7970         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
7971         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7972         duplicate_blocks): Likewise.
7973         * tree-ssa-loop-im.c (for_each_index, set_level,
7974         is_call_clobbered_ref): Likewise.
7975         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
7976         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
7977         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
7978         peel_address, ptr_difference_cost, may_replace_final_value,
7979         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
7980         rewrite_use, rewrite_uses): Likewise.
7981         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7982         check_loop_closed_ssa_use): Likewise.
7983         * tree-ssanames.c (make_ssa_name): Likewise.
7984         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
7985         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
7986         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
7987         get_indirect_ref_operands, add_stmt_operand): Likewise.
7988         * tree-ssa-pre.c (value_exists_in_set_bitmap,
7989         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
7990         phi_translate, valid_in_set, compute_antic,
7991         find_or_generate_expression, create_expression_by_pieces, insert_aux,
7992         create_value_expr_from, eliminate): Likewise.
7993         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
7994         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
7995         Likewise.
7996         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
7997         eliminate_tail_call): Likewise.
7998         * tree-vectorizer.c (vect_create_index_for_array_ref,
7999         vect_align_data_ref, vect_create_data_ref,
8000         vect_create_destination_var, vect_get_vec_def_for_operand,
8001         vect_finish_stmt_generation, vect_transform_stmt,
8002         vect_transform_loop_bound, vect_transform_loop,
8003         vect_analyze_operations): Likewise.
8004         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
8005         Likewise.
8006         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
8007         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
8008         bsi_after_labels, bsi_last): Likewise.
8009         * tree-ssa-live.c (var_union, change_partition_var,
8010         create_ssa_var_map, calculate_live_on_entry, root_var_init,
8011         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
8012         Likewise.
8013         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
8014         tpa_find_tree): Likewise.
8015         (register_ssa_partition_check): Declare.
8016         (register_ssa_partition): use it.
8017         * tree-ssa-live.c: Include errors.h.
8018         (register_ssa_partition_check): New.
8019         * tree-ssa-operands.c: Include errors.h.
8020         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
8021
8022 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
8023             Catherine Moore  <clm@redhat.com>
8024
8025         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
8026         (FRV_CPU_FR405): New processor enums.
8027         (frv_issue_rate, frv_acc_group): Declare.
8028         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
8029         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
8030         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
8031         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
8032         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
8033         handled by CPP_SPEC.
8034         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
8035         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
8036         (ACC_MASK): New macro.
8037         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
8038         (TARGET_MEDIA_FR450): New macro.
8039         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
8040         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
8041         (LABEL_ALIGN_AFTER_BARRIER): Define.
8042         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
8043         (IACC_FIRST, IACC_LAST): New pair of SPRs.
8044         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
8045         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8046         (REGISTER_NAMES): Add entries for new registers.
8047         (REG_CLASS_CONTENTS): Update for new register ranges.
8048         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
8049         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
8050         (PACKING_FLAG_USED_P): Delete.
8051         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
8052         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
8053         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
8054         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
8055         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
8056         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
8057         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
8058         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
8059         (CPU_UNITS_QUERY): Define to 1.
8060         * config/frv/frv.c: Include gt-frv.h
8061         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
8062         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
8063         (frv_insn_group): New enumeration.
8064         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
8065         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
8066         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
8067         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
8068         gap left by REGSTATE_LIVE.
8069         (regstate_t): New typedef.
8070         (TARGET_MACHINE_DEPENDENT_REORG): Define.
8071         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
8072         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
8073         Initialize frv_unit_codes[] and frv_type_to_unit[].
8074         (frv_conditional_register_usage): Remove redundant fixing of
8075         accumulator registers.
8076         (frv_insn_packing_flag): Update specification.
8077         (frv_function_prologue): Don't set frv_insn_packing_flag here.
8078         Zero out frv_nops[].
8079         (frv_expand_epilogue): Remove comments about the no-longer-present
8080         SIBCALL_P argument.
8081         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
8082         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
8083         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
8084         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
8085         packing is disabled and if INSN can only issue to M1.
8086         (call_operand): Check TARGET_LONG_CALLS.
8087         (acc_operand, even_acc_operand, quad_acc_operand)
8088         (accg_operand): Simplify.  Don't accept pseudo registers.
8089         (output_move_single): Handle SPR<-zero moves.
8090         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
8091         (frv_registers_update, frv_registers_used_p): Delete.
8092         (frv_registers_set_p): Delete.
8093         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
8094         (frv_issues_to_branch_unit_p): New function.
8095         (frv_packet): New structure.
8096         (frv_cond_flags, frv_regstate_conflict_p): New functions.
8097         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
8098         (frv_registers_update_1, frv_registers_update): New functions.
8099         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
8100         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
8101         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
8102         (frv_sort_insn_group, frv_reorder_packet): New functions.
8103         (frv_pack_insns): Use frv_reorder_packet.
8104         (frv_packet_address): New variable.
8105         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
8106         (frv_register_nop, frv_reorg): New functions.
8107         (bdesc_1arg): Add __SCUTSS.
8108         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
8109         __SUBSS, __SLASS and __SCAN.
8110         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
8111         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
8112         (frv_init_builtins): Register the above builtins.
8113         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
8114         registers.  Turn the referenced accumulators into global registers.
8115         (frv_read_iacc_argument): New function.
8116         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
8117         (frv_split_iacc_move): New function.
8118         (frv_expand_builtin): Handle the new builtins.
8119         * config/frv/frv.md: Replace old schedulers with new order-independent
8120         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
8121         packing algorithm.
8122         (cpu): Add fr550, fr450 and fr405.
8123         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
8124         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
8125         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
8126         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
8127         (fnop, mnop): New patterns.
8128         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
8129         New constants.
8130         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
8131         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
8132         registers.
8133         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
8134         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
8135         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
8136         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
8137         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
8138         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
8139         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
8140         (frv_prefetch0, frv_prefetch): New patterns.
8141         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
8142         -mcpu=simple.  Add -mcpu=fr550.
8143         (MULTILIB_DIRNAMES): Update accordingly.
8144         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
8145         -mcpu=fr450.
8146         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
8147         -mlong-calls and -malign-labels options for FR-V.
8148
8149 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
8150
8151         PR c/8420
8152         * c-tree.h (struct c_declspecs): New.
8153         (struct c_declarator, struct c_type_name, struct c_parm): Update
8154         element types.
8155         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
8156         start_function, start_decl, build_c_parm,
8157         make_pointer_declarator): Update prototypes.
8158         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8159         declspecs_add_scspec, declspecs_add_attrs): New.
8160         (split_specs_attrs): Remove.
8161         * c-parse.in (%union): Add dsptype.
8162         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
8163         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
8164         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
8165         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
8166         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
8167         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
8168         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
8169         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
8170         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
8171         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
8172         maybe_type_quals_attrs): Change to dsptype.
8173         (struct c_declspec_stack): New.
8174         (current_declspecs, declspec_stack): Change type.
8175         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
8176         structures.
8177         (extdefs): Likewise.
8178         (setspecs): Likewise.
8179         (fndef): Use current_declspecs for empty declspecs list.
8180         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
8181         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
8182         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
8183         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
8184         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
8185         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
8186         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
8187         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
8188         structures and helper functions.  Update comments.
8189         (typespec_nonattr): Correct comment.
8190         (maybe_type_quals_attrs, typename): Update to new structures.
8191         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
8192         shadow_tag, shadow_tag_warned, start_function, start_decl,
8193         build_c_parm, make_pointer_declarator,
8194         set_array_declarator_inner, groktypename): Update to new
8195         structures.
8196         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8197         declspecs_add_scspec, declspecs_add_attrs): New.
8198         (split_specs_attrs): Remove.
8199         (shadow_tag_warned): Make warning for useless type names a
8200         pedwarn.  Give hard error for long, short, signed, unsigned or
8201         _Complex used with struct, union or enum in empty declaration.
8202         Make found_tag a bool.
8203         (grokdeclarator): Remove checks now done at parse time.
8204
8205 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
8206
8207         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
8208         c_declarator, struct c_type_name, struct c_parm): New.
8209         (build_array_declarator, set_array_declarator_inner,
8210         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
8211         start_function, start_decl, build_c_parm, build_attrs_declarator,
8212         build_function_declarator, make_pointer_declarator, c_cast_expr,
8213         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
8214         (build_id_declarator): New.
8215         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
8216         structures.
8217         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
8218         ARG_INFO_OTHERS): Remove.
8219         (build_id_declarator): New.
8220         (build_array_declarator, set_array_declarator_inner, groktypename,
8221         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
8222         grokfield, start_function, store_parm_decls_newstyle,
8223         store_parm_decls_oldstyle, store_parm_decls,
8224         build_c_parm, build_attrs_declarator, build_function_declarator,
8225         make_pointer_declarator, grokdeclarator): Update to new
8226         structures.
8227         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
8228         parmtype.
8229         (declarator, notype_declarator, after_type_declarator,
8230         parm_declarator, parm_declarator_starttypename,
8231         parm_declarator_nostarttypename, array_declarator, typename,
8232         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
8233         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
8234         parmlist_1, parmlist_2, parmlist_or_identifiers,
8235         parmlist_or_identifiers_1): Use these types.
8236         (primary, after_type_declarator, parm_declarator_starttypename,
8237         notype_declarator, component_decl, component_declarator,
8238         component_notype_declarator, typename, absdcl,
8239         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
8240         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
8241
8242 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
8243
8244         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
8245         in_typeof, record_maybe_used_decl, pop_maybe_used,
8246         c_expr_sizeof_expr, c_expr_sizeof_type): New.
8247         * c-decl.c (parser_obstack): New.
8248         (c_init_decl_processing): Initialize parser_obstack.
8249         (c_write_global_declarations_1): Check for used but undefined
8250         static functions.
8251         * c-parse.in (%union): Add otype.
8252         (save_obstack_position): New.
8253         (extdefs): Use it.
8254         (unary_expr): Update in_sizeof and in_alignof.  Use
8255         c_expr_sizeof_expr and c_expr_sizeof_type.
8256         (sizeof): Update in_sizeof.
8257         (alignof): Update in_alignof.
8258         (typeof): Update in_typeof.
8259         (typespec_nonreserved_nonattr): Call pop_maybe_used.
8260         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
8261         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
8262         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
8263         (build_external_ref): Set C_DECL_USED or call
8264         record_maybe_used_decl if appropriate.
8265         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
8266
8267 2004-09-08  Eric Christopher  <echristo@redhat.com>
8268
8269         * builtins.c: Fix prototype for fold_builtin_atan.
8270
8271 2004-09-08  Eric Christopher  <echristo@redhat.com>
8272
8273         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
8274         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
8275         fold_builtin_atan): New functions. Migrate function bodies...
8276         (fold_builtin_1): ... from here.
8277
8278 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
8279
8280         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
8281         save_size.
8282
8283 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
8284
8285         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
8286         * config/rs6000/power5.md (power5-lmul): Same.
8287
8288 2004-09-08  Richard Henderson  <rth@redhat.com>
8289
8290         PR rtl-opt/17186
8291         * function.c (expand_function_end): Have fall-off-the-end
8292         return path jump around return register setup.
8293
8294 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
8295
8296         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
8297         (output_return): Do not test for the presence of the 'unimp' insn.
8298         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
8299         as predicates instead of custom ones.  Return raw strings when
8300         possible.
8301         (output_sibcall): Likewise.  Concatenate strings.
8302         (output_ubranch): Remove kludge for TurboSPARC.
8303         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
8304         (output_v9branch): Likewise.
8305         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
8306         <#>: Set sparc_indent_opcode if the delay slot is filled.
8307         <(>: Likewise.
8308         <)>: New operand to emit the displacement from the saved PC on return.
8309         <@>: Remove.
8310         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
8311         (ASM_OUTPUT_OPCODE): New macro.
8312         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
8313         * config/sparc/sparc.md (normal_branch, inverted_branch,
8314         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
8315         inverted_fpe_branch): Adjust call to output_cbranch.
8316         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
8317         call to output_v9branch.
8318         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
8319         (output_v9branch): Likewise.
8320
8321 2004-09-08  Devang Patel  <dpatel@apple.com>
8322
8323         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
8324         -segs_read_only_addr and -segs_read_write_addr.
8325         (WORD_SWITCH_TAKES_ARG): Same.
8326         (LINK_SPEC): Same.
8327         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
8328         -segs_read_write_addr.
8329
8330 2004-09-08  Richard Henderson  <rth@redhat.com>
8331
8332         * function.c (reference_callee_copied): New.
8333         (assign_parm_setup_reg): Use it.
8334         * calls.c (initialize_argument_information): Likewise.
8335         (emit_library_call_value_1): Likewise.
8336         * function.h (reference_callee_copied): Declare.
8337
8338         * target.h (struct gcc_target): Add callee_copies.
8339         * target-def.h (TARGET_CALLEE_COPIES): New.
8340         (TARGET_PASS_BY_REFERENCE): Update default.
8341         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8342         * targhooks.c (hook_callee_copies_named): New.
8343         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
8344         hook_pass_by_reference_false.
8345         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
8346         * targhooks.h: Update decls.
8347         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
8348         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8349         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
8350         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
8351         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8352         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
8353         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8354         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
8355         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8356         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
8357         (mips_callee_copies): New.
8358         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8359         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
8360         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8361         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
8362         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8363         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
8364         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8365         * config/sh/sh.c (sh_callee_copies): New.
8366         (TARGET_CALLEE_COPIES): New.
8367         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8368         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
8369         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
8370         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
8371         for FUNCTION_ARG_CALLEE_COPIES.
8372         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
8373
8374 2004-09-08  Devang Patel  <dpatel@apple.com>
8375
8376         * tree-if-conv.c (find_phi_replacement_condition): Return true
8377         edge block.
8378         (replace_phi_with_cond_modify_expr): Select conditional expr args
8379         based on true edge basic block.
8380
8381 2004-09-08  Jan Hubicka  <jh@suse.cz>
8382
8383         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
8384         variables being alias set.
8385
8386 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
8387
8388         * final.c (shorten_branches, final, get_insn_template,
8389         output_alternate_entry_point, final_scan_insn, alter_subreg,
8390         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
8391         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
8392         * fix-header.c (lookup_std_proto): Likewise.
8393         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
8394         verify_local_live_at_start, update_life_info, mark_reg,
8395         calculate_global_regs_live, allocate_reg_life_data,
8396         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
8397         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
8398         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
8399         * fold-const.c (force_fit_type, div_and_round_double,
8400         may_negate_without_overflow_p, int_const_binop, const_binop,
8401         size_binop, size_diffop, fold_convert_const, fold_convert,
8402         invert_tree_comparison, swap_tree_comparison,
8403         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
8404         range_binop, make_range, fold_cond_expr_with_comparison,
8405         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
8406         fold_abs_const, fold_not_const, fold_relational_const, round_up,
8407         round_down): Likewise.
8408         * function.c (find_function_data, assign_stack_temp_for_type,
8409         instantiate_virtual_regs_lossage, aggregate_value_p,
8410         assign_parm_find_entry_rtl, assign_parm_setup_block,
8411         expand_function_start, expand_function_end, keep_stack_depressed,
8412         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
8413
8414 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
8415
8416         * Makefile.in (tree-loop-linear.o): Added.
8417         (OBJS-common): Add tree-loop-linear.o
8418         * common.opt: New flag, ftree-loop-linear.
8419         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
8420         * tree-flow.h: Add prototype for linear_transform_loops.
8421         * tree-optimize.c: Add linear transform after vectorization.
8422         * tree-pass.h: Add struct pass_linear_transform.
8423         * tree-ssa-loop.c: Add pass_linear_transform.
8424         * tree-loop-linear.c: New file.
8425         * lambda-code.c: gcc_assertify.
8426         (gcc_loop_to_lambda_loop): Handle all exit tests.
8427         Handle case where we have (invariant >= induction var).
8428         (find_induction_var_from_exit_cond): Ditto.
8429
8430 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
8431
8432         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
8433         memory tag is call clobbered, so are its aliases.
8434         (group_aliases): When two memory tags being grouped, if one is
8435         call clobbered, so are the other and its aliases.
8436         (add_may_alias): Remove call-clobbering stuff.
8437         (replace_may_alias): Likewise.
8438         (merge_pointed_to_info): Merge pt_global_mem
8439
8440 2004-09-08  Jan Hubicka  <jh@suse.cz>
8441
8442         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
8443         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
8444         (cgraph_expand_function): Remove stale cgraph edges of currently
8445         compiled function; fix non-unit-at-a-time code copying function
8446         node for later reuse.
8447
8448 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
8449
8450         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
8451         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
8452         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
8453         (vec_gc_free, vec_heap_free): New.
8454         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
8455         (DEF_VEC_P): Add allocator argument. Adjust.
8456         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
8457         (DEF_VEC_O): Add allocator argument. Adjust.
8458         (VEC(free)): New.
8459
8460         * tree.h (tree): Define a GC'd vector.
8461         * lamba-code.c (lambda_loop): Likewise.
8462         * value-prof.h (histogram_value): Likewise.
8463
8464 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
8465
8466         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
8467         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
8468         gen_lowpart_common, gen_highpart, gen_highpart_mode,
8469         subreg_highpart_offset, operand_subword, operand_subword_force,
8470         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
8471         set_mem_alias_set, change_address_1, verify_rtx_sharing,
8472         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
8473         try_split, add_insn_after, add_insn_before, remove_insn,
8474         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
8475         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
8476         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
8477         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
8478         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
8479         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
8480         record_path_before_1, check_path_after_1, check_path_after): Likewise.
8481         * except.c (gen_eh_region, resolve_one_fixup_region,
8482         remove_unreachable_regions, convert_from_eh_region_ranges_1,
8483         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
8484         connect_post_landing_pads, sjlj_emit_function_exit,
8485         remove_exception_handler_label, remove_eh_handler,
8486         reachable_next_level, collect_one_action_chain,
8487         output_function_exception_table): Likewise.
8488         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
8489         optimize_save_area_alloca, allocate_dynamic_stack_space,
8490         probe_stack_range, hard_function_value): Likewise.
8491         * expmed.c (mode_for_extraction, store_bit_field,
8492         store_fixed_bit_field, extract_bit_field, expand_shift,
8493         expand_mult_const, expand_mult, choose_multiplier,
8494         expand_mult_highpart, expand_divmod, emit_store_flag,
8495         do_cmp_and_jump): Likewise.
8496         * expr.c (convert_move, convert_modes, move_by_pieces,
8497         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
8498         move_block_from_reg, gen_group_rtx, emit_group_load,
8499         emit_group_move, emit_group_store, use_reg, use_regs,
8500         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
8501         emit_move_insn, emit_move_insn_1, emit_push_insn,
8502         expand_assignment, store_expr, count_type_elements,
8503         store_constructor, store_field, safe_from_p, expand_var,
8504         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
8505
8506 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
8507
8508         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
8509         gcc_assert and gcc_unreachable.
8510         * ddg.c (create_ddg_dependence, add_deps_for_def,
8511         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
8512         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
8513         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
8514         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
8515         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
8516         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
8517         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
8518         dataflow_set_copy, hybrid_search, diagnostic.c,
8519         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
8520         * dojump.c (do_jump): Likewise.
8521         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
8522         compute_dom_fast_query, calculate_dominance_info,
8523         free_dominance_info, get_immediate_dominator,
8524         set_immediate_dominator, get_dominated_by,
8525         redirect_immediate_dominators, nearest_common_dominator,
8526         dominated_by_p, verify_dominators, recount_dominator,
8527         iterate_fix_dominators, add_to_dominance_info,
8528         delete_from_dominance_info): Likewise.
8529         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
8530         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
8531         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
8532         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
8533         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
8534         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
8535         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
8536         output_call_frame_info, output_loc_operands, build_cfa_loc,
8537         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
8538         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
8539         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
8540         splice_child_die, attr_checksum, same_dw_val_p,
8541         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
8542         unmark_dies, value_format, output_loc_list, output_die,
8543         output_pubnames, output_aranges, base_type_die, is_base_type,
8544         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
8545         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
8546         field_byte_offset, add_data_member_location_attribute,
8547         add_const_value_attribute, rtl_for_decl_location,
8548         add_location_or_const_value_attribute, add_byte_size_attribute,
8549         add_bit_offset_attribute, add_bit_size_attribute,
8550         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
8551         decl_start_label, gen_formal_parameter_die,
8552         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
8553         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
8554         force_decl_die, force_type_die, gen_decl_die,
8555         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
8556         dwarf2out_finish): Likewise.
8557
8558 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
8559
8560         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
8561         * builtins.c: Include tree-mudflap.h.
8562
8563 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
8564
8565         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
8566         force operand 0.0 into register in XFmode. Also do not force
8567         operand 0.0 into register if !TARGET_CMOVE.
8568         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
8569         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
8570         implement ftst x87 instruction.
8571         (*fp_jcc_7): New insn pattern. Change corresponding split
8572         pattern to handle "general_operand" instead of
8573         "nonimmediate_operand".
8574
8575 2004-09-08  Ben Elliston  <bje@au.ibm.com>
8576
8577         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
8578
8579 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
8580
8581         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
8582         generated from standard va_arg expansion.
8583         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
8584         marked nodes.
8585         (mf_varname_tree, mf_file_function_line_tree): Add some support
8586         for column numbers if compiled with USE_MAPPED_LOCATION.
8587
8588 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
8589
8590         * c-decl.c (groktypename_in_parm_context): Remove function.
8591         * c-tree.h (groktypename_in_parm_context): Remove prototype.
8592
8593 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
8594
8595         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
8596         * c-parse.in: Include c-common.h instead of objc-act.h.
8597         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
8598         myparms, myparm): Remove %type declarations.
8599         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
8600         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
8601         declarations.
8602         (objc_inherit_code, objc_public_flag): Remove.
8603         (typespec_nonreserved_nonattr): Call
8604         objc_get_protocol_qualified_type() instead of get_static_reference()
8605         and get_protocol_reference().
8606         (stmt_nocomp): Call grokparm() on @catch parameter.
8607         (objcdef): Move semantic action to objc_finish_implementation().
8608         (classdef): Move semantic action to objc_start_class_interface(),
8609         objc_continue_interface(), objc_finish_interface(),
8610         objc_start_class_implementation(), objc_continue_implementation(),
8611         objc_start_category_interface() and
8612         objc_start_category_implementation().
8613         (protocoldef): Move semantic actions to objc_start_protocol() and
8614         objc_finish_interface().
8615         (ivar_decl_list): Remove nonterminal.
8616         (visibility_spec): Move semantic actions to objc_set_visibility().
8617         (ivar_decls): Remove assignment to $$.
8618         (ivar_decl): Rephrase in terms of component_decl; call
8619         objc_add_instance_variable().
8620         (ivars, ivar_declarator): Remove nonterminals.
8621         (opt_semi): New nonterminal.
8622         (methodtype): Remove semantic actions.
8623         (methoddef): Move semantic actions to objc_set_method_type(),
8624         objc_start_method_definition() and objc_finish_method_definition().
8625         (methodproto): Move semantic actions to objc_set_method_type() and
8626         objc_add_method_declaration().
8627         (methoddecl): Use objc_typename instead of typename; move semantic
8628         actions to objc_build_method_signature().
8629         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
8630         (optparmlist): Express in terms of optparms and optellipsis.
8631         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
8632         nonterminals.
8633         (keyworddecl): Use objc_typename instead of typename.
8634         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
8635         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
8636
8637 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
8638
8639         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
8640         (MD_FALLBACK_FRAME_STATE_FOR): Update.
8641         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
8642         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
8643         (MD_FROB_UPDATE_CONTEXT): Remove default.
8644         (uw_update_context_1): Instead #ifdef invocation.
8645         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
8646         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
8647         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
8648         (MD_UNWIND_SUPPORT): Undefine this instead.
8649         * config/i386/gnu.h: Likewise.
8650         * config/alpha/linux-unwind.h: New file, macro converted to
8651         function, extracted from..
8652         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
8653         (MD_UNWIND_SUPPORT): Define.
8654         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
8655         * config/i386/linux-unwind.h, config/i386/linux.h,
8656         config/i386/linux64.h: Likewise.
8657         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
8658         MD_HANDLE_UNWABI too.
8659         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
8660         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
8661         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
8662         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
8663         * config/sparc/linux-unwind.h, config/sparc/linux.h,
8664         config/sparc/linux64.h: Likewise.
8665         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
8666         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
8667         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
8668         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
8669         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
8670
8671 2004-09-07  Jan Hubicka  <jh@suse.cz>
8672
8673         * cse.c (fold_rtx):  Avoid building of
8674         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
8675
8676         * tree-ssa-pre.c (grand_bitmap_obstack): New.
8677         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
8678         (init_pre): Initialize obstack.
8679         (fini_pre): Free obstack.
8680
8681 2004-09-07  David Daney  <ddaney@avtrex.com>
8682
8683         * config.gcc: Added support for --with-divide=[breaks|traps] for
8684         mips targets.
8685         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
8686         (TARGET_DIVIDE_TRAPS): New macro.
8687         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
8688         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
8689         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
8690         GENERATE_DIVIDE_TRAPS.
8691         (mips_output_division): Emit conditional trap if
8692         GENERATE_DIVIDE_TRAPS is set.
8693         * doc/install.texi: Document --with-divide.
8694         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
8695
8696 2004-09-07  Caroline Tice  <ctice@apple.com>
8697
8698         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
8699         EDGE_CROSSING, to flags test case.
8700
8701 2004-09-07  Jan Hubicka  <jh@suse.cz>
8702
8703         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
8704         class too.
8705
8706 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
8707
8708         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
8709         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
8710         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
8711         or gcc_unreachable.
8712         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
8713         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
8714         alloc_aux_for_edges, free_aux_for_edges): Likewise.
8715         * cfgcleanup.c (try_forward_edges,
8716         merge_blocks_move_predecessor_nojumps,
8717         merge_blocks_move_successor_nojumps): Likewise.
8718         * cfgexpand.c (expand_gimple_cond_expr,
8719         expand_gimple_tailcall): Likewise.
8720         * cfghooks.c (duplicate_block): Likewise.
8721         * cfglayout.c (record_effective_endpoints,
8722         insn_locators_initialize, change_scope, fixup_reorder_chain,
8723         verify_insn_chain, fixup_fallthru_exit_predecessor,
8724         duplicate_insn_chain, cfg_layout_finalize): Likewise.
8725         * cfgloopanal.c (check_irred): Likewise.
8726         * cfgloop.c (superloop_at_depth, flow_loops_free,
8727         flow_loop_entry_edges_find, flow_loops_find,
8728         flow_loop_outside_edge_p, get_loop_body,
8729         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
8730         get_loop_exit_edges, num_loop_branches, cancel_loop,
8731         verify_loop_structure): Likewise.
8732         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
8733         duplicate_loop_to_header_edge, create_preheader,
8734         create_loop_notes): Likewise.
8735         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
8736         edirect_branch_edge, force_nonfallthru_and_redirect,
8737         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
8738         commit_edge_insertions, commit_edge_insertions_watch_calls,
8739         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
8740         cfg_layout_redirect_edge_and_branch_force,
8741         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
8742         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
8743         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
8744         cgraph_varpool_node): Likewise.
8745         * cgraphunit.c (cgraph_finalize_function,
8746         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
8747         cgraph_expand_function, cgraph_remove_unreachable_nodes,
8748         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
8749         cgraph_mark_inline, cgraph_expand_all_functions,
8750         cgraph_build_static_cdtor): Likewise.
8751         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
8752         simplify_logical, distribute_notes, insn_cuid): Likewise.
8753         * conflict.c (conflict_graph_add, print_conflict): Likewise.
8754         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
8755         coverage_checksum_string): Likewise.
8756         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
8757         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
8758         cse_cc_succs, cse_condition_code_reg): Likewise.
8759         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
8760         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
8761         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
8762         cselib_record_set): Likewise.
8763
8764 2004-09-07  Jan Hubicka  <jh@suse.cz>
8765
8766         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
8767
8768 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
8769
8770         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
8771         fold_convert.
8772         (fold_builtin_strpbrk): Likewise.
8773         * expr.c (array_ref_low_bound): Likewise.
8774         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
8775         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
8776         * tree-sra.c (generate_element_zero): Likewise.
8777         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
8778         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
8779         add_old_iv_candidates, add_iv_candidates): Likewise.
8780         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
8781
8782 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
8783
8784         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
8785         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
8786         c_expand_expr, boolean_increment, nonnull_check_p,
8787         check_function_arguments_recurse, fold_offsetof_1): Likewise.
8788         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
8789         builtin_define_type_max): Likewise.
8790         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
8791         implicit_decl_warning, builtin_function, build_compound_literal,
8792         complete_array_type, grokdeclarator, get_parm_info,
8793         start_function, store_parm_decls_oldstyle,
8794         c_write_global_declarations): Likewise.
8795         * c-format.c (get_constant, decode_format_attr,
8796         maybe_read_dollar_number, get_flag_spec, check_format_arg,
8797         check_format_types, format_type_warning,
8798         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
8799         init_dynamic_diag_info, handle_format_attribute): Likewise.
8800         * c-gimplify.c (push_context, pop_context, finish_bc_block):
8801         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
8802         * c-objc-common.c (c_tree_printer): Likewise.
8803         * c-pch.c (pch_init): Likewise.
8804         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
8805         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
8806         * c-typeck.c (c_incomplete_type_error, composite_type,
8807         common_pointer_type, common_type, same_translation_unit_p,
8808         tagged_types_tu_compatible_p, finish_init, pop_init_level,
8809         set_designator, set_nonincremental_init_from_string,
8810         process_init_element, c_finish_if_stmt): Likewise.
8811         * caller-save.c (init_caller_save, save_call_clobbered_regs,
8812         insert_restore, insert_save, insert_one_insn): Likewise.
8813         * calls.c (emit_call_1, compute_argument_block_size,
8814         precompute_arguments, expand_call, emit_library_call_value_1,
8815         store_one_arg): Likewise.
8816
8817 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
8818
8819         * configure.ac (enable-checking): Add release option. Reorganize
8820         to avoid repetition.
8821         * configure: Rebuilt.
8822         * doc/install.texi (enable-checking): Amend documentation.
8823
8824 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
8825
8826         PR bootstrap/17313
8827         * Makefile.in (specs.ready): Depend on cc1$(exeext).
8828
8829 2004-09-06  James E Wilson  <wilson@specifixinc.com>
8830
8831         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
8832         movdf_hardfloat_32bit): Split fG into two alternatives.
8833         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
8834
8835         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
8836
8837 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
8838
8839         * final.c (output_in_slot): Delete.
8840         (final_scan_insn): Revert 2004-09-03 change.
8841         (output_asm_insn): Likewise.
8842         * config/sparc/sparc.c (output_return): Likewise.
8843         (output_sibcall): Likewise.
8844
8845 2004-09-06  Jan Hubicka  <jh@suse.cz>
8846
8847         * loop.c (loop_dump_aux): Do not print RTL when not available.
8848         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
8849         frontend specific type nodes.
8850         (produce_memory_decl_rtl): Break out from ...
8851         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
8852         (get_computation_at): Avoid random tree sharing.
8853         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
8854
8855 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
8856
8857         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
8858         unnecessary commands.
8859
8860 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
8861
8862         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
8863         (bitmap.o): Likewise.
8864
8865 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
8866
8867         Unify the management of RTL and tree-level dump files.
8868
8869         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
8870         Don't print function name to the dump file, the pass manager
8871         would do this for us. Add code from the top of
8872         rest_of_compilation, up to the initial RTL dump.
8873         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
8874         close the DFI_sibling dump file.
8875         (rest_of_compilation): Don't do that here.  Remove code up to the
8876         initial RTL dump.
8877         (init_optimization_passes): Remove.
8878         (pass_rest_of_compilation): Change pass name to NULL.
8879         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
8880         Do not call init_optimization_passes.
8881         * toplev.h (init_optimization_passes): Remove.
8882
8883         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
8884         finish_graph_dump_file): Remove SUFFIX parameter.
8885         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
8886         finish_graph_dump_file): Likewise.
8887
8888         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
8889         * cfgexpand.c (pass_expand): Adjust.
8890         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
8891         * passes.c (pass_rest_of_compilation): Adjust.
8892         * predict.c (pass_profile): Adjust.
8893         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
8894         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
8895         pass_split_crit_edges, pass_warn_function_return): Adjust.
8896         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
8897         * tree-dfa.c (pass_referenced_vars): Adjust.
8898         * tree-eh.c (pass_lower_eh): Adjust.
8899         * tree-if-conv.c (pass_build_ssa): Adjust.
8900         * tree-into-ssa.c (pass_build_ssa): Adjust.
8901         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
8902         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
8903         * tree-nrv.c (pass_nrv): Adjust.
8904         * tree-optimize.c (pass_gimple, pass_all_optimizations,
8905         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8906         pass_init_datastructures): Adjust.
8907         * tree-outof-ssa.c (pass_del_ssa): Adjust.
8908         * tree-profile.c (pass_tree_profile): Adjust.
8909         * tree-sra.c (pass_sra): Adjust.
8910         * tree-ssa-alias.c (pass_may_alias): Adjust.
8911         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
8912         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
8913         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
8914         * tree-ssa-dom.c (pass_dominator): Adjust.
8915         * tree-ssa-dse.c (pass_dse): Adjust.
8916         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
8917         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
8918         * tree-ssa-loop-ch.c (pass_ch): Adjust.
8919         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
8920         pass_loop_done, pass_complete_unroll, pass_iv_canon,
8921         pass_iv_optimize, pass_vectorize): Adjust.
8922         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
8923         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
8924         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
8925         pass_late_warn_uninnitialized): Adjust.
8926         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
8927
8928         * Makefile.in (tree-dump.o): Add new dependencies.
8929         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
8930         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
8931         Likewise.
8932         * toplev.c (dump_file_name): New.
8933         * tree-dump.c (dump_enable_all): Add LETTER parameter.
8934         (struct dump_file_info): Add NUM and LETTER fields.
8935         (dump_files): Adjust and add RTL dump files.
8936         (dump_register): Add NUM and LETTER fields.
8937         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
8938         (dump_begin): Use get_dump_file_name.
8939         (dump_switch_p_1): Adjust call to dump_enable_all.
8940         * tree-dump.h (dump_register): Adjust prototype.
8941         * tree-optimize.c (register_one_dump_file): Take dump file index.
8942         Support flags for RTL dumps.
8943         (register_dump_files): Fill in NUM field of struct dump_file_info.
8944         Track properties both when the gate is executed and when it is not.
8945         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
8946         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
8947         dumps of RTL.
8948         * tree-pass.h (dump_file_name): New.
8949         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
8950         New.
8951
8952         * Makefile.in (passes.o): Add new dependencies.
8953         * passes.c (struct dump_file_info, enum dump_file_index,
8954         dump_file_tbl, init_optimization_passes): Remove.
8955         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
8956         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
8957         dump_enabled_p.
8958         (finish_optimization_passes): Update finish_graph_dump_file loop.
8959         (enable_rtl_dump_file): Remove.
8960         * tree-dump.c (dump_files): Adjust and add RTL dump files.
8961         (enable_rtl_dump_file): Add here.
8962         * tree.h (enum tree_dump_index): Add RTL dump file indices.
8963         * doc/invoke.texi (Debugging options): Document new RTL debugging
8964         options.  Update.
8965
8966 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
8967
8968         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
8969         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
8970         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
8971         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
8972         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
8973         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
8974         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
8975         vec.h: Fix comment formatting.
8976
8977 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
8978
8979         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
8980         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
8981         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
8982         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
8983         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
8984         tree-ssa-loop-niter.c, tree-ssa-operands.c,
8985         tree-ssa-operands.h, tree-ssa-propagate.c,
8986         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
8987         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
8988
8989 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
8990
8991         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
8992         vectorizer is enabled.
8993
8994 2004-09-05  Andreas Jaeger  <aj@suse.de>
8995
8996         * tree-if-conv.c: Spell check comments and clean up whitespace.
8997
8998 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8999
9000         * tree-ssa-loop-ivopts.c: New file.
9001         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
9002         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
9003         target_pres_cost, target_spill_cost): Declare.
9004         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
9005         spill_cost): Renamed to ...
9006         (target_avail_regs, target_res_regs, target_small_cost,
9007         target_pres_cost, target_spill_cost): ... and exported.
9008         (init_set_costs, global_cost_for_size): Work with renamed variables.
9009         * common.opt (flag_ivopts): New flag.
9010         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
9011         REF_ORIGINAL.
9012         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
9013         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
9014         generating SSA form.
9015         (force_gimple_operand): New function.
9016         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
9017         * tree-cfg.c (stmt_bsi): New function.
9018         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
9019         PARAM_IV_MAX_CONSIDERED_USES): New.
9020         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
9021         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
9022         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
9023         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
9024         * tree-nested.c (build_addr): Export.
9025         * tree-optimize.c (init_tree_optimization_passes): Add
9026         pass_iv_optimize.
9027         * tree-pass.h (pass_iv_optimize): Declare.
9028         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
9029         IMAGPART_EXPR.
9030         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
9031         as a phi node argument.
9032         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
9033         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
9034         functions.
9035         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
9036         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
9037         pass_iv_optimize): New pass.
9038         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
9039         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
9040         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
9041         * tree.h (REF_ORIGINAL): New macro.
9042         (build_int_cst_type, unsigned_type_for, zero_p,
9043         cst_and_fits_in_hwi, build_addr): Declare.
9044         * doc/invoke.texi (-fivopts): Document.
9045         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
9046         PARAM_IV_MAX_CONSIDERED_USES): Document.
9047         * doc/passes.texi: Document induction variable optimizations pass.
9048
9049 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9050
9051         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
9052         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
9053         * c-common.c (c_common_attribute_table): Accept parameters to
9054         sentinel attribute.
9055         (check_function_sentinel, handle_sentinel_attribute): Likewise.
9056         * doc/extend.texi: Update accordingly.
9057
9058 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9059
9060         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
9061         New.
9062         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
9063         attribute.
9064         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
9065         New functions.
9066         (c_common_attribute_table): Add `sentinel' attribute.
9067         (check_function_arguments): Handle `sentinel' attribute.
9068         * doc/extend.texi: Document `sentinel' attribute.
9069
9070 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
9071
9072         * configure: Regenerated.
9073
9074 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9075
9076         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
9077
9078         * tree.c (save_expr): No longer TREE_READONLY.
9079
9080 2004-09-04  Jan Hubicka  <jh@suse.cz>
9081
9082         * passes.c (rest_of_clean_state):  Fix merge conflict made during
9083         commiting the patch.
9084
9085 2004-09-04  Jan Hubicka  <jh@suse.cz>
9086
9087         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
9088
9089 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
9090
9091         * doc/md.texi (shift patterns): New anchor.  Add reference to
9092         TARGET_SHIFT_TRUNCATION_MASK.
9093         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
9094         * target.h (shift_truncation_mask): New target hook.
9095         * targhook.h (default_shift_truncation_mask): Declare.
9096         * targhook.c (default_shift_truncation_mask): Define.
9097         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
9098         (TARGET_INITIALIZER): Include it.
9099         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
9100         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
9101         reject all out-of-range values.  Fix sign-extension code for modes
9102         whose width is smaller than HOST_BITS_PER_WIDE_INT.
9103         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
9104         (expand_superword_shift, expand_subword_shift): Likewise.
9105         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
9106         (expand_binop): Use them to implement double-word shifts.
9107         * config/arm/arm.c (arm_shift_truncation_mask): New function.
9108         (TARGET_SHIFT_TRUNCATION_MASK): Define.
9109
9110 2004-09-04  Jan Hubicka  <jh@suse.cz>
9111
9112         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
9113         (mix): New macro copied from hashtab.c
9114         (iterative_hash_hashval_t, iterative_hash_pointer,
9115         iterative_hash_host_wide_int): New functions based on hashtab.c
9116         implementation.
9117
9118 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
9119
9120         * config/mips/mips.md (mask): New mode attribute.
9121         (zero_extendsidi2): Add memory alternative.
9122         (*zero_extendsidi2_mem): Delete.
9123         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
9124         memory_operand in the TARGET_MIPS16 check.
9125         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
9126         Redefine using :GPR and :SHORT.
9127         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
9128
9129 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
9130
9131         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
9132         using rint_optab.
9133         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
9134         expand_builtin_mathfn.
9135         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
9136         btrunc?f patterns for btrunc_optab. Implement rint_optab using
9137         rint?f patterns.
9138         * optabs.c (init_optabs): Initialize rint_optab.
9139         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
9140         Add new OTI_rint.
9141         (btrunc_optab): Rename macro from trunc_optab.
9142         (rint_optab): Define corresponding macro.
9143
9144         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
9145         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
9146
9147         * config/i386/i386-protos.h (emit_i387_cw_initialization):
9148         Change prototype. Add new int parameter.
9149         * config/i386/i386.c (emit_i387_cw_initialization):
9150         Handle new rounding modes.
9151
9152         * config/i386/i386.h (enum fp_cw_mode): Delete.
9153         (MODE_NEEDED): Handle new rounding modes.
9154         (EMIT_MODE_SET): Change condition to handle new rounding modes.
9155
9156         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
9157         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
9158         represent different rounding modes of frndint insn.
9159         (type): Add frndint type.
9160         (i387, length, memory): Handle this type.
9161         (i387_cw): New attribute definition.
9162         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
9163         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
9164         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
9165         Add "i387_cw" attribute defined to "trunc".
9166         (x86_fnstcw_1): Remove comment.
9167         (*frndintxf2): Rename insn definition to frndintxf2. Move
9168         insn definition near rint?f2 expanders.
9169         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
9170         rintf and rintl built-ins as inline x87 intrinsics.
9171         (frndintxf2_floor): New pattern to implement floor rounding
9172         mode with frndint x87 instruction.
9173         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
9174         floorf and floorl built-ins as inline x87 intrinsics.
9175         (frndintxf2_ceil): New pattern to implement ceil rounding
9176         mode with frndint x87 instruction.
9177         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
9178         ceilf and ceill built-ins as inline x87 intrinsics.
9179         (frndintxf2_trunc): New pattern to implement trunc rounding
9180         mode with frndint x87 instruction.
9181         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
9182         truncf and truncl built-ins as inline x87 intrinsics.
9183         (frndintxf2_mask_pm): New pattern to implement rounding
9184         mode with exceptions with frndint x87 instruction.
9185         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
9186         implement nearbyint, nearbyintf and nearbyintl built-ins as
9187         inline x87 intrinsics.
9188
9189 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
9190
9191         * config/mips/mips.md (SHORT): New mode macro.
9192         (size): New mode attribute.
9193         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
9194         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
9195         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
9196         !ISA_HAS_SEB_SEH.
9197         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
9198         *extend[qh]isi2_hw patterns and extending them to di.
9199         (extendqihi2): Implement as define_insn_and_split that produces
9200         extendqisi2 after reload.
9201
9202 2004-09-03  Devang Patel  <dpatel@apple.com>
9203
9204         * Makefile.in (OBJS-common): Add tree-if-conv.o
9205         (tree-if-conv.o): New rule.
9206         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
9207         (get_loop_body_in_bfs_order): New.
9208         * cfgloop.h (get_loop_body_in_bfs_order): New.
9209         * tree-flow.h (enum move_pos): Move here from ..
9210         * tree-ssa-loop-im.c (enum move_pos): here.
9211         (movement_possibility): Make externally visible.
9212         * tree-optimize.c (init_tree_optimization_passes): New entry for
9213         if conversion pass.
9214         * tree-pass.h (pass_if_conversion): New.
9215         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
9216         * tree-if-conv.c: New file.
9217         * doc/passes.texi: Document tree if-conversion pass.
9218         * doc/tree-ssa.texi: Same.
9219
9220 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
9221
9222         PR target/14925:
9223         Makefile.in (LIB2ADDEHSTATIC): New.
9224         (LIB2ADDEHSHARED): New.
9225         (LIBUNWIND): New.
9226         (LIBUNWINDDEP): New.
9227         (SHLIBUNWIND_LINK): New.
9228         (SHLIBUNWIND_INSTALL): New.
9229         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
9230         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
9231         (clean): Remove libunwind*
9232         (stage1-start): Remove and copy stage1/libunwind*.
9233         (stage2-start): Remove and copy stage2/libunwind*.
9234         (stage3-start): Remove and copy stage3/libunwind*.
9235         (stage4-start): Remove and copy stage4/libunwind*.
9236         (stageprofile-start): Remove and copy stageprofile/libunwind*.
9237         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
9238
9239         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
9240         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
9241         tmake_file if --with-system-libunwind isn't used.
9242
9243         * config/ia64/t-glibc-libunwind: New file.
9244         * config/t-libunwind-elf: Likewise.
9245         * unwind-compat.c: Likewise.
9246         * unwind-compat.h: Likewise.
9247         * unwind-dw2-fde-compat.c: Likewise.
9248
9249         * config/ia64/t-glibc (LIB2ADDEH): Updated.
9250         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
9251
9252         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
9253         aliases if needed.
9254         * unwind-dw2-fde-glibc.c: Likewise.
9255         * unwind-dw2.c: Likewise.
9256
9257         * config/t-libunwind (LIB2ADDEH): Updated.
9258         (LIB2ADDEHSTATIC): New.
9259         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
9260         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
9261
9262         * configure.ac: Change --enable-libunwind-exceptions to
9263         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
9264         * configure: Regenerated.
9265         * config.in: Updated.
9266
9267         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
9268         above and mention --with-system-libunwind.
9269         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
9270         removed in gcc 3.4.3 and later.
9271
9272         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
9273         USE_LIBUNWIND_EXCEPTIONS is defined.
9274
9275         * mklibgcc.in: Support libunwind.
9276
9277 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
9278
9279         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
9280         m_NOCONA.
9281
9282 2004-09-03  Richard Henderson  <rth@redhat.com>
9283
9284         PR middle-end/9997
9285         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
9286         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
9287         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
9288         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
9289         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
9290         resize_stack_vars_conflict, add_stack_var_conflict,
9291         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
9292         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
9293         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
9294         expand_one_static_var, expand_one_hard_reg_var,
9295         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
9296         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
9297         (expand_used_vars): Rewrite.
9298         * Makefile.in (cfgexpand.o): Update dependencies.
9299
9300 2004-09-04  Jan Hubicka  <jh@suse.cz>
9301
9302         * cfg.c (free_edge): Use ggc_free.
9303         (expunge_block): Use ggc_free.
9304         * passes.c (rest_of_clean_state): Free after compilation.
9305         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
9306         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
9307
9308 2004-09-03  James E Wilson  <wilson@specifixinc.com>
9309
9310         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
9311         DECL_EXTERNAL check.
9312
9313 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
9314
9315         * final.c (output_in_slot): New global variable.
9316         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
9317         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
9318         'output_in_slot' before invoking output_asm_insn.
9319         (output_asm_insn): Add a space after the tab if 'output_in_slot'
9320         is set.
9321         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
9322         final_scan_insn.
9323         (output_sibcall): Likewise.
9324
9325 2004-09-03  Jan Hubicka  <jh@suse.cz>
9326
9327         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
9328         * tree-ssanames (init_ssanames): Likewise.
9329
9330 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
9331
9332         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
9333         objc_declare_protocols, objc_start_protocol,
9334         objc_start_class_interface, objc_start_category_interface,
9335         objc_continue_interface, objc_finish_interface,
9336         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
9337         objc_start_class_implementation, objc_start_category_implementation,
9338         objc_continue_implementation, objc_finish_implementation,
9339         objc_add_method_declaration, objc_start_method_definition,
9340         objc_finish_method_definition, objc_build_keyword_decl,
9341         objc_build_method_signature, objc_build_encode_expr,
9342         objc_build_protocol_expr, objc_build_selector_expr,
9343         objc_build_message_expr, objc_build_string_object,
9344         objc_get_class_reference, objc_get_protocol_qualified_type,
9345         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
9346
9347 2004-09-03  James E Wilson  <wilson@specifixinc.com>
9348
9349         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
9350
9351         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
9352         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
9353         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
9354         (mips_recip1_<fmt>): Use frdiv1 type.
9355         (mips_recip2_<fmt>): Use frdiv2 type.
9356         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
9357         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
9358         and frsqrt1.
9359         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
9360
9361 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
9362
9363         * reload.c (find_reloads): Swap operand_loc pointers for
9364         find_dummy_reload if we have swapped two operands.
9365
9366 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
9367
9368         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
9369         to get the tablejump-insn before the jump-table label.
9370
9371 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
9372
9373         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
9374         objc_declare_protocols, objc_build_message_expr,
9375         objc_finish_message_expr, objc_build_selector_expr,
9376         objc_build_protocol_expr, objc_build_encode_expr,
9377         objc_build_string_object, objc_get_protocol_qualified_type,
9378         objc_get_class_reference, objc_get_class_ivars,
9379         objc_start_class_interface, objc_start_category_interface,
9380         objc_start_protocol, objc_continue_interface, objc_finish_interface,
9381         objc_start_class_implementation, objc_start_category_implementation,
9382         objc_continue_implementation, objc_finish_implementation,
9383         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
9384         objc_add_method_declaration, objc_start_method_definition,
9385         objc_finish_method_definition, objc_add_instance_variable,
9386         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
9387         objc_finish_try_stmt, objc_begin_catch_clause,
9388         objc_finish_catch_clause, objc_build_finally_clause,
9389         objc_build_synchronized, objc_static_init_needed_p,
9390         objc_generate_static_init_call): New prototypes.
9391
9392 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
9393
9394         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
9395         is only one reg.
9396         (ia64_function_value): Ditto.
9397
9398 2004-09-03  Jan Beulich  <jbeulich@novell.com>
9399
9400         * config.gcc: Resurrect NetWare as a target. Handle special case of
9401         Novell linker to be used (specified through --with-ld=) and threading
9402         model of either Posix (default) or NKS.
9403         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
9404         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
9405         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
9406         * config/i386/netware.c, config/i386/netware.h: New.
9407         * config/i386/nwld.c, config/i386/nwld.h: New.
9408         * config/i386/netware-crt0.c: New.
9409         * config/i386/netware-libgcc.c: New.
9410         * config/i386/netware-libgcc.def: New.
9411         * config/i386/netware-libgcc.exp: New.
9412         * config/i386/t-netware, config/i386/t-nwld: New.
9413         * gthr-nks.h: New.
9414         * doc/install.texi: Document NKS threading model.
9415
9416 2004-09-03  Jan Beulich  <jbeulich@novell.com>
9417
9418         PR c/7054
9419         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
9420         * tree.h (initial_max_fld_align): Declare
9421         * stor-layout.c (initial_max_fld_align): Define and initialize.
9422         (maximum_field_alignment): Initialize to the same value.
9423         * common.opt: Add -fpack-struct= variant of switch.
9424         * opts.c: Handle -fpack-struct= variant of switch.
9425         * c-pragma.c: Change #pragma pack() handling so that it becomes
9426         compatible to other compilers: accept individual 'push' argument,
9427         make final pop restore (command line) default, correct interaction
9428         of push/pop and sole specification of a new alignment (so that the
9429         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
9430         to #pragma pack(push, <n>).
9431         * doc/extend.texi: New node "Structure-Packing Pragmas" under
9432         "Pragmas", describing #pragma pack.
9433         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
9434         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
9435         Document new TARGET_DEFAULT_PACK_STRUCT.
9436
9437 2004-09-03  Devang Patel  <dpatel@apple.com>
9438
9439         * dwarf2out.c (gen_field_die). Equate decl number to die.
9440
9441 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
9442
9443         PR target/15832
9444         * global.c (modify_reg_pav): New function.
9445         (make_accurate_live_analysis): Call the new function.  Move pavin
9446         modification by earlyclobber set into the new function.
9447
9448 2004-09-03  Andreas Schwab  <schwab@suse.de>
9449
9450         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
9451         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
9452         extended.
9453
9454 2004-09-02  Jan Beulich  <jbeulich@novell.com>
9455
9456         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
9457         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
9458         not unwind code specific ones.
9459         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
9460         Remove unwind code specific dependencies.
9461         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
9462         Remove gbl-ctors.h.
9463         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
9464         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
9465         * tsystem.h: Declare memcpy and memset when inhibit_libc.
9466
9467 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
9468
9469         * combine.c (try_combine): Delay modifying of insns which cannot
9470         be easily undone.
9471
9472 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
9473
9474         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
9475         tree-loop-im.
9476         * gcc/tree-ssa-loop.c: Ditto
9477         * gcc/tree-ssa-loop-ivcanon.c: Ditto
9478         * gcc/doc/invoke.texi: Ditto.
9479
9480 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
9481
9482         * c-decl.c (store_parm_decls_newstyle): Make static.
9483         (store_parm_decls_from): New function.
9484         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
9485         (store_parm_decls_from): New prototype.
9486
9487 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
9488
9489         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
9490         HImode with STRICT_ALIGNMENT.
9491
9492 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
9493
9494         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
9495         (TARGET_OS_CPP_BUILTINS): Likewise.
9496         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
9497         TARGET_BPABI_CPP_BUILTINS.
9498
9499 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
9500
9501         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
9502
9503 2004-09-02  Eric Christopher  <echristo@redhat.com>
9504
9505         * builtins.c (expand_builtin_cabs): Delete.
9506         (expand_builtin): If unable to fold the values do a normal
9507         library call for builtin_cab*.
9508         (fold_builtin_cabs): Depend on optimize and optimize_size.
9509         * optabs.c (expand_cmplxdiv_straight): Delete.
9510         (expand_cmplxdiv_wide): Ditto.
9511         (expand_vector_binop): Ditto.
9512         (expand_vector_unop): Ditto.
9513         (expand_complex_abs): Delete.
9514         (expand_binop): Remove calls to above functions.
9515         Remove open coding of complex arithmetic.
9516         (expand_unop): Ditto.
9517         * optabs.h: Remove prototypes.
9518
9519 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
9520
9521         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
9522         * c-tree.h (store_parm_decls_newstyle): New prototype.
9523
9524 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
9525
9526         * config/rs6000/rs6000.c (expand_block_clear): Use vector
9527         instructions if available.
9528         (expand_block_move): Likewise.
9529
9530 2004-09-03  Jan Hubicka  <jh@suse.cz>
9531
9532         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
9533
9534 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
9535
9536         * config/arm/symbian.h (LIB_SPEC): Define to empty.
9537         * config/arm/t-symbian (SHLIB_LC): Likewise.
9538
9539 2004-09-02  Paul Brook  <paul@codesourcery.com>
9540
9541         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
9542
9543 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
9544
9545         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
9546         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
9547         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
9548         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
9549         (mips_issue_rate): Remove unreachable abort.
9550         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
9551         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
9552         (mips_block_move_straight, print_operand_address, mips_file_start)
9553         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
9554         (mips_output_conditional_branch, mips_expand_builtin_direct)
9555         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
9556         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
9557         with gcc_assert.
9558
9559 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
9560
9561         * config/mips/mips.md (*lea_high64): Change split condition to
9562         flow2_completed.  Add a peephole2 to generate a more parallel version.
9563
9564 2004-09-02  Jan Hubicka  <jh@suse.cz>
9565
9566         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
9567         GGC.
9568
9569         * ggc-page.c: include tree-flow.h.
9570         (extra_order_size_table): Add stmt_ann_d.
9571         (STAT_LABEL): Rename from ....
9572         (LABEL): ... this one.
9573         * Makefile.in (ggc-page.o): Add dependency.
9574
9575         * ggc-common.c (ggc_force_collect): New global variable.
9576         (loc_description): Add fields "freed", "collected"
9577         (ptr_hash): New static hash
9578         (ptr_hash_entry): New structure.
9579         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
9580         (ggc_record_overhead): Take ptr argument, record it
9581         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
9582         (cmp_statistics): Imrove sorting.
9583         (dump_ggc_loc_statistics): Output newly collected statistics
9584         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
9585         (ggc_free): Call ggc_free_overhead.
9586         (ggc_collect): Force collection when asked to be forced.
9587         (ggc_collect): Call ggc_prune_overhead_list.
9588         * ggc.h (ggc_force_collect): Declare
9589         (ggc_record_overhead): Update prototype.
9590         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
9591
9592 2004-09-02  James E Wilson  <wilson@specifixinc.com>
9593
9594         * common.opt (ftrapping-math): Default to on.
9595
9596 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
9597
9598         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
9599
9600 2004-09-02  Denis Chertykov  <denisc@overta.ru>
9601
9602         PR target/16884
9603         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
9604         match_scratch.
9605         (*movmemqi_insn): Likewise.
9606         (*movmemhi): Likewise.
9607         (clrmemhi): Likewise.
9608         (*clrmemqi): Likewise.
9609         (*clrmemhi): Likewise.
9610
9611 2004-09-02  Paul Brook  <paul@codesourcery.com>
9612
9613         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
9614         default_use_cxa_atexit=yes.
9615
9616 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
9617
9618         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
9619         (struct kernel_old_ucontext): Delete.
9620         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
9621         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
9622         when IN_LIGGCC2.
9623
9624 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
9625
9626         * toplev.c (process_options): Fix typo.
9627
9628 2004-09-01  Richard Henderson  <rth@redhat.com>
9629
9630         PR middle-end/17258
9631         * calls.c (initialize_argument_information): Tighten pass-through
9632         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
9633         Use build_fold_addr_expr.
9634         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
9635         that assumes ADDR_EXPR allocates stack space.
9636         * fold-const.c (build_fold_addr_expr_with_type): Look through
9637         WITH_SIZE_EXPR.
9638
9639 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
9640
9641         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
9642         * ggc.h (ggc_alloc_rtx): Delete.
9643
9644 2004-09-01  Roger Sayle  <roger@eyesopen.com>
9645
9646         * expmed.c (enum alg_code): Remove long unused enumeration values.
9647         (struct mult_cost): New structure to hold the "score" of a synthetic
9648         multiply sequence, including both a rtx_cost and a latency field.
9649         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
9650         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
9651         (struct algorithm): Change type of cost field to be mult_cost.
9652         (synth_mult): Change type of cost_limit argument to be a
9653         pointer to a mult_cost.  Update all cost comparisons to use the
9654         new mult_cost infrastructure.  For alg_add_factor and
9655         alg_sub_factor operations, latency is lower than the rtx_cost.
9656         (choose_mult_variant):  Update calls to synth_mult.  Perform
9657         cost comparisons using the new mult_cost infrastructure.
9658         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
9659         to optain the total rtx_cost of a synth_mult "algorithm".
9660
9661 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
9662
9663         * config/rs6000/power4.md: Increase store latency to 12.
9664         * config/rs6000/power5.md: Same.
9665
9666 2004-09-01  James E Wilson  <wilson@specifixinc.com>
9667
9668         PR target/14064
9669         * config/avr/avr.c (avr_unique_section): Delete prototype and
9670         definition.
9671         (TARGET_ASM_UNIQUE_SECTION): Delete.
9672
9673 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
9674
9675         * c-parse.in (primary): Call objc_build_message_expr(),
9676         objc_build_selector_expr(), objc_build_protocol_expr(),
9677         objc_build_encode_expr() and objc_build_string_object() instead of
9678         build_message_expr(), build_selector_expr(), build_protocol_expr(),
9679         build_encode_expr() and build_objc_string_object(), respectively.
9680         (component_decl_list2): Call objc_get_class_ivars() instead of
9681         get_class_ivars_from_name().
9682         (keyworddecl): Call objc_build_keyword_decl() instead of
9683         build_keyword_decl().
9684         (receiver): Call objc_get_class_reference() instead of
9685         get_class_reference().
9686         (reswords): Add blank line before @@ifobjc section, for clarity.
9687
9688 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
9689
9690         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
9691         to Altivec vetors.
9692
9693 2004-09-01  Wu Yongwei  <adah@sh163.net>
9694             Danny Smith  <dannysmith@users.sourceforge.net>
9695
9696         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
9697         not Windows 'DWORD'.
9698         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
9699         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
9700         (__gthr_win32_recursive_mutex_init_function): Add prototype for
9701         __GTHREAD_HIDE_WIN32API case..
9702         (__gthr_win32_recursive_mutex_lock): Likewise.
9703         (__gthr_win32_recursive_mutex_trylock): Likewise.
9704         (__gthr_win32_recursive_mutex_unlock): Likewise.
9705         (__gthread_recursive_mutex_init_function); Add definition for
9706         __GTHREAD_HIDE_WIN32API case.
9707         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
9708         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
9709         call to InterlockedDecrement.
9710
9711 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9712
9713         * tree-tailcall.c (find_tail_calls): Also fail is statement has
9714         volatile operands.
9715
9716         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
9717
9718         * doc/c-tree.texi: Document new operands for ARRAY_REF and
9719         COMPONENT_REF.
9720
9721 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9722
9723         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
9724         * common.opt (fspeculative-prefetching): New.
9725         * flags.h (flag_speculative_prefetching_set): Declare.
9726         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
9727         values.
9728         * opts.c (flag_sepculative_prefetching_set): New variable.
9729         (common_handle_option): Handle -fspeculative-prefetching.
9730         * passes.c (rest_of_compilation): Ditto.
9731         * profile.c (instrument_values, compute_value_histograms, branch_prob):
9732         Use vectors instead of arrays.
9733         * toplev.c (process_options): Handle -fspeculative-prefetching.
9734         * rtl-profile.c: Include ggc.h.
9735         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
9736         rtl_gen_one_value_profiler_no_edge_manipulation,
9737         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
9738         argument changed.
9739         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
9740         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
9741         argument changed.
9742         * value-prof.c: Include ggc.h.
9743         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
9744         macros.
9745         (insn_prefetch_values_to_profile, find_mem_reference_1,
9746         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
9747         speculative_prefetching_transform): New.
9748         (value_profile_transformations): Call speculative_prefetching_transform.
9749         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
9750         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
9751         tree_find_values_to_profile, find_values to profile): Use vectors
9752         instead of arrays.
9753         (free_profiled_values): Removed.
9754         * value-prof.h (struct histogram_value): Renamed to
9755         struct histogram_value_t.
9756         (histogram_value, histogram_values): New types.
9757         (find_values_to_profile): Declaration changed.
9758         (free_profiled_values): Removed.
9759         (struct profile_hooks): Type of argument of the hooks changed to
9760         histogram_value.
9761         * doc/invoke.texi (-fspeculative-prefetching): Document.
9762
9763 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9764
9765         PR rtl-optimization/16408
9766         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
9767
9768 2004-09-01  Richard Henderson  <rth@redhat.com>
9769
9770         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
9771         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
9772
9773 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
9774
9775         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
9776
9777 2004-09-01  Mike Stump  <mrs@apple.com>
9778
9779         * config/darwin.c (machopic_symbol_defined_p): In addition to
9780         being SYMBOL_REF_LOCAL_P, a symbol must also be
9781         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
9782         defined in this output file, or translation unit in the case
9783         of IMA not being used.
9784         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
9785         never need .indirect_symbol when indirecting.
9786
9787 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
9788
9789         * Makefile.in (bb-reorder.o): Add several dependencies.
9790
9791 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
9792
9793         * fold-const.c (operand_equal_p): Require equal sign also for
9794         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
9795
9796 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
9797
9798         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
9799         for use in configargs.h.  Put the cname in a separate variable.  Use
9800         that to set target_cpu_default2.
9801
9802 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
9803             Nick Clifton  <nickc@redhat.com>
9804
9805         * config/sh/sh.md ("length"): Increase branch length when
9806         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
9807         constant, 2 byte for aligning the constant.
9808
9809 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
9810
9811         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
9812         CPU.
9813         (arm7tdmi-s): New CPU name.
9814         * arm/arm.c (ARM_CORE): Update for new format.
9815         * arm/arm.h (ARM_CORE): Likewise.
9816         * arm/gentune.sh: Update for extra field.
9817         * config.gcc: Likewise.
9818         * arm/arm-tune.md: Regenerate.
9819         * doc/invoke.texi: Document the real processor names for ARM cpus.
9820
9821 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
9822
9823         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
9824         (floatdidf): New functions.
9825         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
9826         (floatdisf): New functions.
9827         * t-arm-elf: Use them.
9828
9829 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
9830
9831         * c-common.h (lookup_interface): Remove prototype.
9832         (is_class_name): Rename to objc_is_class_name.
9833         (lookup_objc_ivar): Rename to objc_lookup_ivar.
9834         (get_current_scope): Rename to objc_get_current_scope.
9835         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
9836         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
9837         (yylexname): Call objc_is_class_name() instead of is_class_name().
9838         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
9839         instead of lookup_objc_ivar().
9840         * stub-objc.c (lookup_interface): Remove stub.
9841         (is_class_name): Rename to objc_is_class_name.
9842         (lookup_objc_ivar): Rename to objc_lookup_ivar.
9843
9844 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
9845
9846         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
9847         * config/arm/lib1funcs.asm: Do not include supplemental .S files
9848         when compiling for Symbian.
9849         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
9850         (TARGET_OS_CPP_BUILTINS): Likewise.
9851         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
9852
9853 2004-08-31  Stan Shebs  <shebs@apple.com>
9854
9855         * toplev.c (process_options): Ensure debug_hooks is initialized.
9856
9857 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
9858
9859         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
9860         * target.h (cxx): Add export_class_data.
9861         * config/arm/arm.c (arm_cxx_export_class_data): New function.
9862         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
9863         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
9864
9865 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
9866
9867         * config/sh/sh.c (output_branch): Check the insn length possibly
9868         in the delayed slot.
9869
9870 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9871
9872         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
9873         blank after ')'.
9874         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
9875
9876         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
9877         (c_sizeof_of_alignof_type): Likewise.
9878         * expr.c (array_ref_element_size): Likewise.
9879         (highest_pow2_factor_for_target): Likewise.
9880         * gimplify.c (canonicalize_addr_expr): Likewise.
9881         (gimplify_compound_lval): Likewise.
9882         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
9883         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
9884         * varasm.c (assemble_variable): Likewise.
9885         (output_constant_def_contents): Alignments are unsigned.
9886
9887 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9888             Jeff Law  <law@redhat.com>
9889
9890         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
9891         gets modified.
9892
9893 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
9894
9895         * hooks.c (hook_bool_void_true): New function.
9896         * hooks.h (hook_bool_void_true): Declare.
9897         * target-def.h (TARGET_CXX): Add
9898         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
9899         * target.h (struct cxx): Add key_method_may_be_inline.
9900         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
9901         function.
9902         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
9903         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
9904         __THUMB_INTERWORK.
9905
9906 2004-08-31  Denis Chertykov  <denisc@overta.ru>
9907
9908         PR target/15417
9909         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
9910         frame pointer register only in Pmode while reload in progress.
9911
9912 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
9913
9914         PR target/15334
9915         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
9916         because it breaks the 32-bit shift patterns that rely on a match_dup.
9917
9918 2004-08-31  Matt Austern  <austern@apple.com>
9919
9920         * config/darwin.c (darwin_make_decl_one_only): Allocate section
9921         names once per compilation, instead of once per symbol.
9922
9923 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
9924
9925         * Makefile.in (build_subdir): New substitution.
9926         (fixinc.sh): Simplify heavily since fixincludes is already built.
9927         (stmp-fixinc): Depend on specs.ready.
9928         (install-mkheaders): Use new location of fixincludes.
9929         (clean): Do not descend into fixinc.
9930         (FORBUILD): Replace with ../$(build_subdir).
9931         * configure.ac (build_subdir): Substitute.
9932         (FORBUILD): Do not set.
9933         (all_outputs): Remove fixinc/Makefile.
9934         (default commands): Do not create links in fixinc.
9935         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
9936         the fixincludes configuration steps and substituting
9937         @FIXINCL@ in fixinc.in.
9938         * fixinc.in: New, from fixinc/fixincl.sh.
9939
9940         * fixinc/*: Removed.
9941
9942 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
9943
9944         * attribs.c (strip_attrs): Remove.
9945         (split_specs_attrs): Move ...
9946         * c-decl.c: ... to here.
9947         * tree.h (split_specs_attrs, strip_attrs): Remove.
9948         * c-tree.h (split_specs_attrs): Declare.
9949
9950 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
9951
9952         * read-rtl.c: Disable RTL checking.
9953         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
9954
9955 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
9956
9957         * config/mips/mips.md (fcond): New code macro and attribute.
9958         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
9959         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
9960         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
9961
9962 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
9963
9964         Revert:
9965         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
9966         PR rtl-optimization/16590
9967         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
9968
9969 2004-08-30  Andrew Pinski  <apinski@apple.com>
9970
9971         * hard-reg-set.h:
9972         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
9973         * ChangeLog: Fix previous ChangeLog entry.
9974
9975         PR rtl-opt/13987
9976         * config.host (use_long_long_for_widest_fast_int): New, default is
9977         off.
9978         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
9979         * configure.ac: If use_long_long_for_widest_fast_int, then
9980         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
9981         * configure: Regenerate.
9982         * config.in: Regenerate.
9983         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
9984         New: widest integer type supported efficiently in hardware for the
9985         host.
9986         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
9987         HOST_BITS_PER_WIDEST_FAST_INT.
9988         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
9989         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
9990         HOST_WIDEST_FAST_INT
9991         instead of HOST_WIDE_INT.
9992         (HARD_REG_SET_LONGS): Likewise.
9993         (UHOST_BITS_PER_WIDE_INT): Likewise.
9994         Change the checks for the fast cases to be based on
9995         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
9996
9997 2004-08-30  Steven Bosscher  <stevenb@suse.de>
9998
9999         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
10000         not the pointers.
10001
10002 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
10003
10004         PR 12738
10005         PR 17205
10006         Radar 3460526
10007         Radar 3775729
10008         * c-decl.c (grokdeclarator): Produce error for 'static' on local
10009         function declaration.
10010
10011 2004-08-30  Richard Henderson  <rth@redhat.com>
10012
10013         * expr.c (array_ref_element_size): Force aligned_size back to
10014         sizetype.
10015         (component_ref_field_offset): Similarly for aligned_offset.
10016         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
10017         low-bound, element-size, field-offset fields rather than
10018         computed values.
10019
10020 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
10021
10022         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
10023         redundant code.
10024
10025 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
10026
10027         * c-tree.h (struct language_function): Add arg_info element.
10028         * c-decl.c (current_function_arg_info): New.
10029         (grokdeclarator, store_parm_decls): Use it instead of
10030         DECL_ARGUMENTS.
10031         (c_push_function_context, c_pop_function_context): Save and
10032         restore it.
10033
10034 2004-08-30  Richard Henderson  <rth@redhat.com>
10035
10036         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
10037         COMPONENT_REF to pointer arithmetic.
10038         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
10039         constant "c" as a valid constant initializer.  Allow narrowing of
10040         differences against the same base object, for any base object.
10041
10042 2004-08-30  Richard Henderson  <rth@redhat.com>
10043
10044         * expr.c (expand_expr_addr_expr): New.
10045         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
10046
10047 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
10048
10049         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
10050         (mips_fp_condition): New enum.
10051         (mips_fp_conditions): New array.
10052         (print_fcc_operand): Delete.
10053         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
10054         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
10055         (builtin_description): Add "cond" field.
10056         (DIRECT_BUILTIN): Initialize it.
10057         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
10058         into INSN and CODE.  Initialize the "cond" field.
10059         (CMP_BUILTINS): Update accordingly.
10060         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
10061         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
10062         mips_fp_condition as argument.  Make it the final operand of the
10063         comparison instruction.
10064         (mips_expand_builtin): Update accordingly.
10065         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
10066         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
10067         the gaps.
10068         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
10069         Don't use the 'Q' operand prefix; just print the operand normally.
10070         (mips_cabs_*, mips_c_*): Delete, replacing with...
10071         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
10072         patterns.  Split the 4s versions into 2 ps patterns after reload.
10073
10074 2004-08-30  Richard Henderson  <rth@redhat.com>
10075
10076         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
10077         assuming an ADDR_EXPR is non-null.
10078
10079 2004-08-30  Jason Merrill  <jason@redhat.com>
10080
10081         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
10082
10083 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
10084
10085         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
10086         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
10087         gcc_assert and gcc_unreachable instead of abort.
10088         * alloc-pool.c (abort, fancy_abort): Remove.
10089         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
10090         gcc_assert or gcc_unreachable.
10091         * attribs.c (init_attributes, decl_attributes): Likewise.
10092         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
10093         mark_bb_for_unlikely_executed_section,
10094         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
10095         fix_crossing_unconditional_branches):  Likewise.
10096         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
10097         bitmap_operation):  Likewise.
10098         * bt-load.c (insn_sets_btr_p, augment_live_range,
10099         move_btr_def):  Likewise.
10100         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
10101         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
10102         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
10103         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
10104         expand_builtin_memcmp, expand_builtin_args_info,
10105         std_gimplify_va_arg_expr, expand_builtin_unop,
10106         expand_builtin_fputs, expand_builtin_profile_func,
10107         expand_builtin_fork_or_exec, fold_builtin_bitop,
10108         fold_builtin_classify, fold_builtin_fputs): Likewise.
10109
10110 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
10111
10112         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
10113         * gcov.c (abort): Remove undef.
10114
10115         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
10116         (struct tree_binfo): Remove primary field.
10117
10118 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
10119
10120         * fixinc/Makefile.in (machname.h): Remove.
10121         (fixincl.x): Do not pass $@ to genfixes.
10122         * fixinc/genfixes: Remove code to produce machname.h.
10123         * fixinc/fixincl.sh: Move it here instead.
10124         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
10125         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
10126         return a bool indicating whether pz_mn_name_pat is NULL.
10127         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
10128         Declare extern C variables for the ENV_TABLE.
10129         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
10130         instead use the result of mn_get_regexps.
10131         * fixinc/fixtests.c: Likewise.
10132
10133 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
10134
10135         * configure.ac: Do not run fixincludes after stage1 during
10136         toplevel bootstrap.
10137         * configure: Regenerate.
10138
10139 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
10140
10141         * sched-deps.c (get_condition): Partially revert previous, by never
10142         trying to extract the condition from a condjump.
10143
10144 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
10145
10146         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
10147         (handle_visibility_attribute, c_determine_visibility): Likewise.
10148         * c-common.h (my_friendly_assert): Remove.
10149
10150 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
10151
10152         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
10153         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
10154         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
10155         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
10156         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
10157
10158 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
10159
10160         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
10161         in COMPONENT_REF nodes.
10162
10163 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10164
10165         PR c++/15378
10166         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
10167         global_dc->warning_as_error_requested.
10168         * diagnostic.c (diagnostic_initialize): Tidy.
10169         * diagnostic.h (diagnostic_context::x_data): Remove
10170         (diagnostic_context::issue_warnings_are_errors_message): Rename
10171         from warnings_are_errors_message.
10172         (diagnostic_context::warning_as_error_requested): New.
10173
10174 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
10175
10176         * sched-deps.c (get_condition): Fix breakage in previous patch.
10177
10178 2004-08-30  Paul Brook  <paul@codesourcery.com>
10179
10180         * doc/install.texi: Fix broken mpfr link.
10181
10182 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
10183
10184         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
10185         other FreeBSD platforms.
10186
10187 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
10188
10189         * arm.h (REVERSE_CONDITION): Define.
10190         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
10191
10192 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
10193
10194         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
10195         just the codes, call reversed_comparison_code ().
10196         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
10197         (not_reg_cond): Use reversed_comparison_code.
10198         (and_reg_cond): Likewise.
10199         * ifcvt.c (cond_exec_process_if_block): Likewise.
10200         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
10201
10202 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
10203
10204         * sched-deps.c (get_condition): Rewrite using jump support functions.
10205         Use reversed_comparison_code.
10206         (conditions_mutex_p): Use reversed_comparison_code.
10207
10208 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10209
10210         * config/mips/mips.c (override_options): Disable hot/cold partitioning
10211         for MIPS16.
10212
10213 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10214
10215         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
10216         (mips_function_type): Move to mips.c.
10217         * config/mips/mips.c (mips_builtin_type): New enum.
10218         (builtin_description): Replace code and ftype with builtin_type
10219         and function_type.
10220         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
10221         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
10222         (CODE_FOR_mips_abs_ps): Define.
10223         (mips_bdesc): Use new macros.
10224         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
10225         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
10226         (mips_expand_builtin_direct): New function.
10227         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
10228         builtin.  Replace boolean parameter with builtin_type.
10229         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
10230         (mips_expand_4s_compare_builtin): Delete, replacing with...
10231         (mips_expand_builtin_compare): ...this new function.
10232
10233 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
10234
10235         PR rtl-optimization/16590
10236         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
10237
10238 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
10239
10240         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
10241         * tree-ssa-propagate.c: Fix documentation.
10242
10243 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10244
10245         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
10246         (mov[sd]fcc): Likewise.
10247
10248 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10249
10250         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
10251
10252 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10253
10254         * config/mips/mips.md (divide_condition): New mode attribute.
10255         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
10256         (sqrt[sd]f3): Redefine using SCALARF.
10257         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
10258         patterns.
10259
10260 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10261
10262         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
10263         (loadx, storex, fmt, UNITMODE): New mode attributes.
10264         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
10265         (mul[sd]f3): Redefine using :SCALARF.
10266         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
10267         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
10268         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
10269         Check TARGET_FUSED_MADD for V2SF too.
10270         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
10271         were already named.
10272         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
10273         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
10274
10275 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10276
10277         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
10278         V2SF_type_node if it will be needed.
10279
10280 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10281
10282         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
10283         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
10284         (mips_prepare_builtin_target): New function.
10285         (mips_expand_builtin): Use them.  Update calls to subroutines.
10286         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
10287         cmp_choice with a boolean argument to select between movt and movf.
10288         Take the comparison's icode as an argument, not the function's fcode.
10289         (mips_expand_compare_builtin): New function.  Rename existing function
10290         to mips_expand_scalar_compare_builtin.
10291         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
10292         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
10293         comparison's icode as an argument, not the builtin's fcode.
10294
10295 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10296
10297         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
10298         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
10299         registers are false and -1 if all registers are true.
10300         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
10301         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
10302         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
10303         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
10304         (bc1any2t, bc1any2f): Likewise CCV2.
10305         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
10306
10307 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
10308
10309         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
10310         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
10311         UNSPEC rather than an IF_THEN_ELSE.
10312         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
10313         mips_cond_move_tf_ps by name.
10314
10315 2004-08-29  Chao-ying Fu  <fu@mips.com>
10316             James E Wilson  <wilson@specifixinc.com>
10317
10318         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
10319         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
10320         * config/mips/mips-ps-3d.md: New file.
10321         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
10322         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
10323         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
10324         (mips_output_move): Emit "mov.ps" for V2SFmode.
10325         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
10326         MODE_VECTOR_FLOAT.
10327         (override_options): Check if TARGET_MIPS3D and there was an explicit
10328         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
10329         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
10330         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
10331         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
10332         and allow CCV2 and CCV4 to occupy two and four CC registers.
10333         (print_fcc_operand): New function.
10334         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
10335         %Z to call print_fcc_operand.
10336         (mips_function_value): Handle MODE_VECTOR_FLOAT.
10337         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
10338         (mips_vector_mode_supported_p): New function.
10339         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
10340         (builtin_description): New struct.
10341         (mips_bdesc): New array of struct builtin_description.
10342         (mips_expand_builtin, mips_init_builtins,
10343         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
10344         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
10345         functions.
10346         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
10347         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
10348         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
10349         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
10350         "-mips3d", and "-mno-mips3d".
10351         (ASM_SPEC): Map -mips3d to -mips3d in gas.
10352         (EXTRA_CONSTRAINT_Y): New macro.
10353         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
10354         multi-letter constraint 'Y'.
10355         (CONSTRAINT_LEN): New macro.
10356         (enum mips_builtins): New for MIPS builtin functions.
10357         (enum mips_function_type): New for the types of MIPS builtin functions.
10358         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
10359         * config/mips/mips.md: New constants for paired single and MIPS-3D
10360         instructions.  Include the new mips-ps-3d.md file.
10361         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
10362         movv2sf_hardfloat_64bit): New named patterns.
10363         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
10364         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
10365         sdxc1_v2sf_di): New unnamed patterns.
10366         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
10367         const_vector support.
10368         (const_0_or_1_operand): New predicate.
10369         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
10370
10371 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
10372
10373         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
10374         (tree-ssa-propagate.o): New rule.
10375         (GTFILES): Add tree-ssa-propagate.c.
10376         * tree-flow.h (struct stmt_ann_d): Remove field
10377         in_ccp_worklist.
10378         * tree-ssa-propagate.c: New file.
10379         * tree-ssa-propagate.h: New file.
10380         * tree-ssa-ccp.c: Re-write to use the routines from
10381         tree-ssa-propagate.c.
10382
10383 2004-08-28  Andrew Pinski  <apinski@apple.com>
10384
10385         * tree-ssa-loop.c: Remove extra include of basic-block.h.
10386
10387 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
10388
10389         * c-common.h: Update comments about ObjC/ObjC++ entry points.
10390         (objc_is_reserved_word): New prototype.
10391         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
10392         separate section; these are call-backs.
10393         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
10394         ObjC/ObjC++ "@" keywords.
10395         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
10396         prototypes; they already live in c-common.h.
10397         * stub-objc.c: Update copyright notice.
10398         (objc_is_reserved_word): New stub.
10399
10400 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
10401
10402         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
10403         even when not checking.
10404
10405 2004-08-27  Jason Merrill  <jason@redhat.com>
10406
10407         PR c++/13684
10408         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
10409         (gimple_push_cleanup): Add eh_only parm.
10410         (gimplify_target_expr): Pass it.
10411         * c.opt (-fno-threadsafe-statics): New option.
10412         * c-opts.c (c_common_handle_option): Handle it.
10413         * c-common.h (flag_threadsafe_statics): Declare it.
10414         * c-common.c (flag_threadsafe_statics): Record it.
10415         * doc/invoke.texi: Document it.
10416         * tsystem.h (_GNU_SOURCE): Define.
10417         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
10418         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
10419         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
10420         (__gthread_recursive_mutex_init_function): New fn.
10421         (__gthread_recursive_mutex_lock): New fn.
10422         (__gthread_recursive_mutex_trylock): New fn.
10423         (__gthread_recursive_mutex_unlock): New fn.
10424         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
10425         * gthr-win32.h, gthr-vxworks.h: Likewise.
10426         * gthr.h: Document.
10427
10428 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
10429
10430         * config/rs6000/rs6000.c (rs6000_override_options): Increase
10431         maximum skip to 15.  Set function alignment, jump alignment, and
10432         loop alignment to 16 for processors that form dispatch groups.
10433         (rs6000_rtx_costs): outer_code is used.
10434
10435 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
10436
10437         * stor-layout.c (sizetype_set): Remove.
10438         (set_sizetype): Don't test or set it.
10439
10440         * tree.h (size_int_type): Remove.
10441         * fold-const.c: Do not #include gt-fold-const.h.
10442         (size_htab_hash, size_htab_eq): Remove.
10443         (size_int_kind): Use build_int_cst.
10444         (new_const, size_htab): Remove.
10445         (size_int_type): Remove.
10446         (round_up): Use build_int_cst.
10447         (round_down): Likewise. Remove spurious constant build.
10448
10449 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
10450
10451         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
10452         Add is_release variable, use it for --enable-werror and
10453         --enable-checking defaults.
10454         * system.h (gcc_assert, gcc_unreachable): New.
10455         * doc/install.texi (--enable-checking): Update.
10456         * configure, config.in: Rebuilt.
10457
10458 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
10459
10460         * rtl.h (read_rtx): Change prototype.
10461         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
10462         line number.  Return true on success.
10463         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
10464         callers accordingly.
10465
10466 2004-08-26  Richard Henderson  <rth@redhat.com>
10467
10468         * c-typeck.c (build_offsetof): Remove.
10469         * c-tree.h (build_offsetof): Remove.
10470         * c-common.c (fold_offsetof_1, fold_offsetof): New.
10471         * c-common.h (fold_offsetof): Declare.
10472         * c-parse.in (offsetof_base): New.
10473         (offsetof_member_designator): Use it.  Build references, not just
10474         a tree list.
10475         (primary): Use fold_offsetof, not build_offsetof.
10476
10477 2004-08-26  Richard Henderson  <rth@redhat.com>
10478
10479         * tree.c (staticp): Return the static object.
10480         * tree.h (staticp): Update decl.
10481         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
10482         * langhooks.c (lhd_staticp): Return NULL_TREE.
10483         * langhooks-def.h (lhd_staticp): Update decl.
10484         * c-common.c (c_staticp): Return the static object.
10485         * c-common.h (c_staticp): Update decl.
10486
10487 2004-08-26  Richard Henderson  <rth@redhat.com>
10488
10489         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
10490         modes.
10491
10492 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
10493
10494         PR c/13801
10495         * c-decl.c (struct c_binding): Add type and inner_comp fields.
10496         (bind): Set type and inner_comp fields.
10497         (pop_scope): Restore type of decl to the correct type from an
10498         outer scope.  Give error when popping file scope for incomplete
10499         arrays completed incompatibly with default initialization in an
10500         inner scope.
10501         (diagnose_mismatched_decls): Handle externs with initializers at
10502         block scope.
10503         (pushdecl): Set type of external declaration at block scope based
10504         only on the visible declarations.  Save type when changing the
10505         type of a declaration.  Merge an external declaration at block
10506         scope with a visible static declaration at file scope.
10507         (implicitly_declare): Give recycled old declaration the new type
10508         except for incompatible declarations of built-in functions, saving
10509         the old type.
10510
10511 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
10512
10513         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
10514
10515 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
10516
10517         * tree-alias-common.c (gate_pta): New function.
10518         (pass_build_pta): Use it.
10519         (pass_del_pta): Use it.
10520         (delete_alias_vars): Don't check flag_tree_points_to.
10521
10522 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
10523
10524         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
10525         TFmode as additional register mode cloberred by call.
10526
10527 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
10528
10529         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
10530         parallel pattern for library call returning DImode in
10531         mixed mode.
10532
10533 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
10534
10535         * config/rs6000/rs6000.c (function_arg): Generate parallel
10536         pattern for more split args.
10537
10538 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
10539
10540         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
10541         either gen_movdi_di_update or gen_movdi_si_update depending on
10542         target mode.
10543         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
10544         to generate two versions.
10545
10546 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
10547
10548         * Makefile.in (lambda-code.o): New.
10549         (lambda-trans.o): Ditto.
10550         (TREE_DATA_REF_H): Ditto.
10551         (LAMBDA_H): Ditto.
10552         (lambda-mat.o): Use LAMBDA_H.
10553         (tree-data-ref.o): Ditto.
10554         * lambda-code.c: New file.  Lambda code generation algorithm.
10555         * lambda-trans.c: Ditto. Lambda transformation matrix support.
10556         * lambda.h: Add lambda loop structures.
10557         Add lambda loopnest structures.
10558         Add lambda body vector structure.
10559         Add lambda linear expression structures.
10560         Add prototypes for functions in new files.
10561         * lambda-mat.c: Include tree.h
10562
10563 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
10564             Sebastian Pop  <pop@cri.ensmp.fr>
10565
10566         * tree-data-ref.h: Include lambda.h
10567         (free_dependence_relation): Declared here.
10568         (free_dependence_relations): Ditto.
10569         (free_data_refs): Ditto.
10570         * tree-data-ref.c (free_dependence_relation): New function.
10571         (free_dependence_relations): Ditto.
10572         (free_data_refs): Ditot.
10573         (analyze_all_data_dependences): Free datarefs and dependence_relations.
10574         (build_classic_dist_vector): Store in the dependence_relations the
10575         information. Each arc in the dependence_relations graph is labelled
10576         with the distance and direction vectors.
10577         (build_classic_dir_vector): Ditto.
10578         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
10579         Now computes again the whole dependence graph including read-read
10580         relations.
10581         (compute_data_dependences_for_loop): Now dependence_relations contains
10582         all the data, and thus it doesn't need to initialize the classic_dir
10583         and classic_dist vectors.
10584         (analyze_all_data_dependences): Adjusted for using the new interface of
10585         compute_data_dependences_for_loop.  Remove the statistics dump.
10586
10587 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
10588
10589         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
10590         (xtensa_expand_block_move): Update comment.
10591         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
10592
10593 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
10594
10595         PR target/13506
10596         * toplev.c (crash_signal): If we crashed while emitting
10597         a user asm, then die more gracefully.
10598
10599 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10600
10601         PR target/17119.
10602         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
10603         checking for a valid constant, regardless of sign.
10604
10605 2004-08-25  Richard Henderson  <rth@redhat.com>
10606
10607         PR target/16974
10608         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
10609         if the constant satisfies add_operand.
10610
10611 2004-08-25  Richard Henderson  <rth@redhat.com>
10612
10613         PR debug/10695
10614         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
10615         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
10616         unwind info for >16-bit frames.
10617
10618 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
10619
10620         PR target/17171
10621         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
10622
10623 2004-08-25  Richard Henderson  <rth@redhat.com>
10624
10625         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
10626         (TARGET_CANNOT_FORCE_CONST_MEM): New.
10627
10628 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
10629
10630         * doc/tree-ssa.texi: Document new operand iterator.
10631
10632 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
10633
10634         PR target/16480
10635         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
10636         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
10637         as PLUS base regs.
10638
10639 2005-08-28  Paul Brook  <paul@codesourcery.com>
10640
10641         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
10642         -mfpu=vfp -march=armv5t
10643         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
10644
10645 2004-08-25  Richard Henderson  <rth@redhat.com>
10646
10647         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
10648         * target.h (struct gcc_target): Add scalar_mode_supported_p.
10649         * targhooks.c (default_scalar_mode_supported_p): New.
10650         * targhooks.h (default_scalar_mode_supported_p): Declare.
10651         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
10652
10653         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
10654         before attempting to create types.  Tidy.
10655         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
10656
10657         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
10658         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
10659
10660 2004-08-25  Richard Henderson  <rth@redhat.com>
10661
10662         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
10663         set REAL_MODE_FORMAT for TFmode.
10664
10665 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
10666
10667         * c-decl.c (grokparm): New function.
10668         * c-tree.h (grokparm): New prototype.
10669
10670 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
10671
10672         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
10673         iterator controlling structure.
10674         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
10675         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
10676         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
10677         iterator flags.
10678         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
10679         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
10680         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
10681         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
10682         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
10683         Empty operand pointers.
10684         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
10685         (op_iter_next_use): New.  Return next use_operand_p.
10686         (op_iter_next_def): New.  Return next def_operand_p.
10687         (op_iter_next_tree): New.  Return next operands as a tree.
10688         (op_iter_init): New.  Initialize an iterator structure.
10689         (op_iter_init_use): New.  Initialize structure and get the first use.
10690         (op_iter_init_def): New.  Initialize structure and get the first def.
10691         (op_iter_init_tree): New.  Initialize structure and get the first tree.
10692         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
10693         (op_iter_init_maydef): New.  Initialize structure and get the first
10694         V_MAY_DEF operands.
10695         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
10696         * tree-dfa.c (compute_immediate_uses_for_stmt,
10697         redirect_immediate_uses): Use new operand iterator.
10698         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
10699         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
10700         operands instead of using *_disappeared_p routines.
10701         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
10702         ssa_rewrite_stmt): Use new operand iterator.
10703         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
10704         rewrite_trees): Use new operand iterator.
10705         * tree-pretty-print.c (dump_vops): Use new operand iterator.
10706         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
10707         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
10708         dump_points_to_info): Use new operand iterator.
10709         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
10710         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
10711         operand iterator.
10712         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
10713         propagate_necessity): Use new operand iterator.
10714         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
10715         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
10716         a parameter instead of a stmt_ann_t.
10717         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
10718         build_tree_conflict_graph): Use new operand iterator.
10719         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
10720         rewrite_mem_refs): Use new operand iterator.
10721         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
10722         check_loop_closed_ssa_use): Use new operand iterator.
10723         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
10724         * tree-ssanames.c (release_defs): Use new operand iterator.
10725         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
10726
10727 2004-08-25  Adam Nemet  <anemet@lnxw.com>
10728
10729         * tlink.c (initial_cwd): New variable.
10730         (tlink_init): Initialize it.
10731         (recompile_files): Use tlink_execute() instead of system().  Don't
10732         duplicate verbose output of collect_execute.  Restore initial_cwd.
10733         Update comment before the function.
10734
10735 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
10736
10737         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
10738         accept) a cast from one Objective-C pointer type to another.
10739
10740 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
10741
10742         * doc/install.texi: Document that libstdc++-v3 requires
10743         now automake 1.9.1.
10744
10745 2004-08-25  Caroline Tice  <ctice@apple.com>
10746
10747         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
10748         to comments at start of function.
10749         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
10750         comment.
10751         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10752         merge_blocks_move_predecessor_nojumps,
10753         merge_blocks_move_successor_nojumps, merge_blocks_move,
10754         try_crossjump_to_edge, try_crossjump_bb): Likewise.
10755         * cfglayout.c (fixup_reorder_chain): Likewise.
10756         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
10757         cfg_layout_can_merge_blocks_p):  Likewise.
10758         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
10759         * passes.c (rest_of_compilation): Update comments for calling
10760         optimization that partitions hot/cold basic blocks.
10761         * doc/invoke.texi:  Update documentation of
10762         freorder-blocks-and-partition flag.
10763
10764 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
10765
10766         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
10767         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
10768
10769 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
10770
10771         * config/mips/mips.md (any_shift): New code macro.
10772         (optab, insn): New code attributes.
10773         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
10774         Use the standard rather than internal patterns for the MIPS16
10775         double-shift optimization.
10776         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
10777         Redefine using :GPR and any_shift.
10778         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
10779         to cover all three shifts.
10780         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
10781         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
10782         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
10783
10784 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
10785
10786         * gimplify.c (lookup_tmp_var): Separate temporaries when not
10787         optimizing.
10788
10789 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10790
10791         PR libstdc++/17005 (fix for HP-UX 11.11)
10792         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
10793         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
10794         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
10795         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
10796         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
10797         (LINK_SPEC): Handle march=1.0 option.
10798         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
10799         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
10800         (SUBTARGET_OPTIONS): New define.
10801         (LINK_SPEC): Handle march=1.0 option.
10802         (STARTFILE_SPEC): New define.
10803         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
10804         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
10805         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
10806         (SUBTARGET_OPTIONS): New define.
10807         (LINK_SPEC): Handle march=1.0 option.
10808         (STARTFILE_SPEC): New define.
10809         * config/pa/pa.c (override_options): Add code to process -munix= option.
10810         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
10811         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
10812         defines.
10813         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
10814         (SUBTARGET_OPTIONS): Provide default define.
10815         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
10816         STANDARD_STARTFILE_PREFIX_2): New defines.
10817         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
10818         (ENDFILE_SPEC): Use %O.
10819         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
10820         Mention issue caused by changing namespace and runtime to UNIX 95/98.
10821         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
10822         Document -munix=std option.
10823
10824 2004-08-25  Steven Bosscher  <stevenb@suse.de>
10825
10826         * cse.c (cse_around_loop, cse_check_loop_start,
10827         cse_set_around_loop): Remove.
10828         (cse_basic_block): Remove the around_loop argument.
10829         (cse_end_of_basic_block): Remove the after_loop argument.
10830         (cse_main): Likewise.
10831         * rtl.h (cse_main): Update prototype.
10832         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
10833         rest_of_handle_gcse): Update cse_main calls.
10834
10835 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
10836
10837         * tree.h  (build_int_cst): New, sign extended constant.
10838         (build_int_cstu): New, zero extended constant.
10839         (build_int_cst_wide): Renamed from build_int_cst.
10840         * tree.c (build_int_cst, build_int_cstu): New.
10841         (build_int_cst_wide): Renamed from build_int_cst.
10842         (make_vector_type, build_common_tree_nodes,
10843         build_common_tree_nodes_2): Adjust build_int_cst calls.
10844         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
10845         expand_builtin_strpbrk, expand_builtin_fputs,
10846         build_string_literal, expand_builtin_printf,
10847         expand_builtin_sprintf, fold_builtin_classify_type,
10848         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
10849         fold_builtin_toascii, fold_builtin_isdigit,
10850         simplify_builtin_strstr, simplify_builtin_strpbrk,
10851         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
10852         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
10853         DEF_ATTR_INT): Likewise.
10854         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
10855         Likewise.
10856         * c-lex.c (interpret_integer, lex_charconst): Likewise.
10857         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
10858         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10859         * c-typeck.c (really_start_incremental_init, push_init_level,
10860         set_nonincremental_init_from_string): Likewise.
10861         * calls.c (load_register_parameters): Likewise.
10862         convert.c (convert_to_pointer): Likewise.
10863         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
10864         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
10865         build_gcov_info): Likewise.
10866         * except.c (init_eh, assign_filter_values): Likewise.
10867         * expmed.c (store_fixed_bit_field, extract_bit_field,
10868         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
10869         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
10870         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
10871         * expr.c (convert_move, emit_group_load, emit_group_store,
10872         expand_assignment, store_constructor, store_field,
10873         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
10874         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
10875         invert_truthvalue, optimize_bit_field_compare,
10876         decode_field_reference, all_ones_mask_p, constant_boolean_node,
10877         fold_div_compare, fold, fold_read_from_constant_string,
10878         fold_negate_const, fold_abs_const, fold_not_const, round_up,
10879         round_down): Likewise.
10880         * function.c (assign_parm_setup_block): Likewise.
10881         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
10882         Likewise.
10883         * stor-layout.c (layout_type, initialize_sizetypes,
10884         set_min_and_max_values_for_integral_type): Likewise.
10885         * tree-chrec.c (chrec_fold_multiply_poly_poly,
10886         reset_evolution_in_loop): Likewise.
10887         * tree-chrec.h (build_polynomial_chrec): Likewise.
10888         * tree-complex.c (build_replicated_const): Likewise.
10889         * tree-eh.c (honor_protect_cleanup_actions,
10890         lower_try_finally_onedest, lower_try_finally_copy,
10891         lower_try_finally_switch): Likewise.
10892         * tree-mudflap.c (mf_build_string, mx_register_decls,
10893         mudflap_register_call, mudflap_enqueue_constant): Likewise.
10894         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
10895         * tree-pretty-print.c (dump_generic_node): Likewise.
10896         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
10897         Likewise.
10898         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
10899         * tree-ssa-loop-niter.c (number_of_iterations_cond,
10900         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
10901         Likewise.
10902         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
10903         canonicalize_loop_induction_variables): Likewise.
10904         * tree-vectorizer.c (vect_create_index_for_array_ref,
10905         vect_transform_loop_bound, vect_compute_data_ref_alignment):
10906         Likewise.
10907
10908         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
10909         alpha_gimplify_va_arg_1): Likewise.
10910         * config/arm/arm.c (arm_get_cookie_size): Likewise.
10911         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10912         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
10913         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
10914         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
10915         mips_gimplify_va_arg_expr): Likewise.
10916         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10917         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
10918         add_compiler_branch_island): Likewise.
10919         * config/s390/s390.c (s390_va_start): Likewise.
10920         * config/sh/sh.c (sh_va_start): Likewise.
10921         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
10922         Likewise.
10923         * config/xtensa/xtensa.c (xtensa_va_start,
10924         xtensa_gimplify_va_arg_expr): Likewise.
10925
10926         * objc/objc-act.c (build_objc_string_object,
10927         build_objc_symtab_template, init_def_list, init_objc_symtab,
10928         init_module_descriptor, generate_static_references,
10929         build_selector_translation_table, get_proto_encoding,
10930         build_typed_selector_reference, build_selector_reference,
10931         build_next_objc_exception_stuff,
10932         build_method_prototype_list_template, generate_descriptor_table,
10933         generate_protocols, build_protocol_initializer,
10934         build_ivar_list_template, build_method_list_template,
10935         build_ivar_list_initializer, generate_ivars_list,
10936         generate_dispatch_table, generate_protocol_list,
10937         build_category_initializer, build_shared_structure_initializer,
10938         generate_shared_structures, handle_impent,
10939         generate_objc_image_info): Likewise.
10940
10941 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
10942
10943         * cfglayout.c (duplicate_insn_chain): Remove references to
10944         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
10945         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
10946         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
10947         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
10948         and NOTE_INSN_LOOP_CONT.
10949         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
10950         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
10951         and NOTE_INSN_LOOP_CONT.
10952         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
10953         check_dbra_loop, loop_dump_aux): Remove references to removed notes
10954         and fields.
10955         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
10956         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
10957         references to removed notes and fields.
10958         (subtract_reg_term, ujump_to_loop_cont): Remove.
10959
10960 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
10961
10962         * doc/install.texi: Document that libcpp does not require
10963         Automake any longer.  Document that Automake 1.9.1 should
10964         work everywhere.
10965
10966 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
10967
10968         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
10969         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
10970         DWARF_DEBUGGING_INFO from choice-of-definition chain;
10971         restructure using C89 features (#elif, #error).
10972         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
10973         * config/sh/sh.h: Remove references to DWARF_DEBUG.
10974         * doc/invoke.texi: Remove references to DWARF version 1;
10975         clarify why -gdwarf-2<n> doesn't work.
10976
10977 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
10978
10979         * basic-block.h (BB_SET_PARTITION): Clear old value first.
10980         * cfg.c (clear_bb_flags): Don't clear partition setting.
10981         * ifcvt.c (find_if_case_1): Remove ??? comment.
10982
10983 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
10984
10985         PR target/17052
10986         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
10987         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10988         current_function_stdarg in place of sysv_varargs_p.
10989         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
10990         sysv_varargs_p.
10991
10992 2004-08-24  Richard Henderson  <rth@redhat.com>
10993
10994         PR target/16298
10995         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
10996         random codes within CONST.
10997
10998 2004-08-24  James E Wilson  <wilson@specifixinc.com>
10999
11000         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
11001         -freorder-blocks-and-partition.
11002
11003 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11004
11005         PR middle-end/17044
11006         * tree-ssa-threadupdate.c (redirection_data): Make static.
11007         (thread_block): Use ggc_alloc_cleared to allocate struct
11008         redirection_data.  Don't free elements in redirection_data.
11009
11010 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
11011
11012         * config/mips/predicates.md (small_data_pattern): Match prefetches.
11013
11014 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11015
11016         PR tree-optimization/17016
11017         * tree-ssa-loop-niter.c (number_of_iterations_cond,
11018         number_of_iterations_exit): Use POINTER_TYPE_P instead
11019         of testing for POINTER_TYPE.
11020
11021 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11022
11023         * tree-ssa-loop-ivcanon.c: New file.
11024         * tree-ssa-loop-manip.c (create_iv): New function.
11025         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
11026         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
11027         * cfgloop.c (mark_single_exit_loops): New function.
11028         (verify_loop_structure): Verify single-exit loops.
11029         * cfgloop.h (struct loop): Add single_exit field.
11030         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
11031         (mark_single_exit_loops): Declare.
11032         (tree_num_loop_insns): Declare.
11033         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
11034         (duplicate_loop_to_header_edge): Use it.
11035         * common.opt (fivcanon): New flag.
11036         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
11037         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
11038         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
11039         (bsi_insert_on_edge_immediate): New function.
11040         * tree-flow.h (bsi_insert_on_edge_immediate,
11041         canonicalize_induction_variables, tree_unroll_loops_completely,
11042         create_iv): Declare.
11043         * tree-optimize.c (init_tree_optimization_passes): Add
11044         pass_iv_canon and pass_complete_unroll.
11045         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
11046         * tree-scalar-evolution.c (get_loop_exit_condition,
11047         get_exit_conditions_rec, number_of_iterations_in_loop,
11048         scev_initialize): Use single_exit information.
11049         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
11050         missing assumptions.
11051         (loop_niter_by_eval):  Return number of iterations as unsigned
11052         int.
11053         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
11054         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
11055         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
11056         New passes.
11057         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
11058         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
11059         the defining statement is ready.
11060         * tree-vectorizer.c (vect_create_iv_simple): Removed.
11061         (vect_create_index_for_array_ref, vect_transform_loop_bound):
11062         Use create_iv.
11063         (vect_transform_loop_bound): Use single_exit information.
11064         (vect_analyze_loop_form): Cleanup bogus tests.
11065         (vectorize_loops): Do not call flow_loop_scan.
11066         * tree.h (may_negate_without_overflow_p): Declare.
11067         * fold-const.c (may_negate_without_overflow_p): Split out from ...
11068         (negate_expr_p): ... this function.
11069         (tree_expr_nonzero_p): Handle overflowed constants correctly.
11070         * doc/invoke.texi (-fivcanon): Document.
11071         * doc/passes.texi: Document canonical induction variable creation.
11072
11073 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
11074
11075         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
11076         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
11077         using the mode of the operand to decide between them.
11078         * config/mips/mips.md (MOVECC): New mode macro.
11079         (ccreg): New mode attribute.
11080         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
11081         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
11082         (mov[sd]icc): Redefine using :GPR.
11083
11084 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
11085
11086         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
11087         (mips_prefetch_cookie): New function.
11088         * config/mips/mips.c (print_operand_address): Fix handling of
11089         ADDRESS_CONST_INT.
11090         (mips_emit_prefetch): Delete.
11091         (mips_prefetch_cookie): New function.
11092         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
11093         mode of QImode for the address_operand.  Use mips_prefetch_cookie
11094         to calculate the first "pref" operand.
11095         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
11096         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
11097
11098 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
11099
11100         * arm.md: Include predicates.md.
11101         * predicates.md: New file.
11102         * arm.c (s_register_operand, arm_hard_register_operand)
11103         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
11104         (arm_immediate_operand, arm_neg_immediate_operand)
11105         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
11106         (arm_add_operand, arm_addimm_operand, arm_not_operand)
11107         (offsettable_memory_operand, alignable_memory_operand)
11108         (arm_reload_memory_operand, arm_float_rhs_operand)
11109         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
11110         (index_operand, shiftable_operator, logical_binary_operator)
11111         (shift_operator, equality_operator, arm_comparison_operator)
11112         (minmax_operator, cc_register, dominant_cc_register)
11113         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
11114         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
11115         (const_shift_operand, load_multiple_operation)
11116         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
11117         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
11118         (cirrus_register_operand, cirrus_fp_register)
11119         (cirrus_shift_const): Delete, replaced with equivalents in
11120         predicates.md.
11121         (shift_op): Handle ROTATE.
11122         * arm-protos.h: Delete declarations for above.
11123         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
11124         * t-arm (MD_INCLUDES): Add predicates.md.
11125         (s-preds): Depends on MD_INCLUDES.
11126
11127 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
11128
11129         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
11130         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
11131         patterns.  Redefine using :GPR.  Give the match_operator a mode.
11132         Use '%2' rather than '%z2' for operand 2.
11133
11134 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
11135
11136         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
11137         attribute.
11138
11139 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
11140
11141         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
11142         of internal patterns.
11143         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
11144         Redefine using :P.
11145         (tablejump): Use expand_binop to calculate address.  Adjust names
11146         of internal patterns.
11147         (tablejump[sd]i): Renamed from tablejump_internal[12].
11148         Redefine using :P.
11149         (tablejump_mips16[12]): Delete.
11150
11151 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
11152
11153         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
11154         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
11155         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
11156         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
11157         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
11158
11159 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
11160
11161         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
11162         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
11163         using :GPR.
11164         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
11165         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
11166         (*branch_equality[sd]i_inverted): Likewise
11167         branch_equality{,_di}_inverted.
11168         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
11169         Redefine using :GPR.
11170
11171 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
11172
11173         * rtl.def: Reorganize, placing all codes used only in machine
11174         descriptions at the end.
11175
11176         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
11177         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
11178         rtx_name, rtx_format arrays by direct reference to rtl.def,
11179         first undefining GENERATOR_FILE.  Define enum insn_note and
11180         note_insn_name array by direct reference to insn-notes.def.
11181         (adjust_field_rtx_def): Remove local definition of rtx_name.
11182         Use symbolic names for insn notes.
11183         * Makefile.in (gengtype.o): Update dependencies.
11184
11185 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
11186
11187         * basic-block.h (struct basic_block_def): Reorder fields to
11188         eliminate interior padding.  Remove 'partition' field.
11189         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
11190         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
11191         (BB_COPY_PARTITION): New macros.
11192         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
11193         Replace all references to the 'partition' field of a basic
11194         block with new macros.
11195
11196         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
11197         * final.c (final_scan_insn): Don't handle it.
11198         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
11199         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
11200         * sched-rgn.c (sched_is_disabled_for_current_region_p):
11201         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
11202
11203 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
11204
11205         * c-decl.c (c_init_decl_processing): Adjust
11206         build_common_tree_nodes call.
11207         * expmed.c (const_mult_add_overflow_p): Use
11208         build_distinct_type_copy.
11209         * stor-layout.c (early_type_list): Remove.
11210         (layout_type): Don't append to early_type_list.
11211         (initialize_sizetypes): Add signed_p argument.
11212         (set_sizetype): Overwrite the stub type nodes directly.
11213         * tree.c (copy_node_stat): Clear a type's value cache here ...
11214         (build_distinct_type): ... not here.
11215         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
11216         * tree.h (initialize_sizetypes): Add signed_p argument.
11217         (build_common_tree_nodes): Likewise.
11218
11219         * objc/objc-act.c (get_static_reference): Use
11220         build_variant_type_copy.
11221         (get_protocol_reference): Likewise.
11222         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
11223
11224 2004-08-24  Richard Henderson  <rth@redhat.com>
11225             Andrew Pinski  <apinski@apple.com>
11226
11227         * gimplify.c (gimplify_array_ref_to_plus): Delete.
11228         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
11229         for ARRAY_REF.
11230
11231         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
11232         ARRAY_REF also to get to the STRING_CST.
11233
11234 2004-08-24  Paul Brook  <paul@codesourcery.com>
11235
11236         * config/arm/arm.c (arm_override_options): Update error message.
11237         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
11238         TARGET_HARD_FLOAT_ABI.
11239         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
11240         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
11241
11242 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11243
11244         PR target/17093
11245         * config/m32r.md (movsi_sda): Add SI mode specification to
11246         UNSPEC.
11247
11248 2004-08-24  Nick Clifton  <nickc@redhat.com>
11249
11250         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
11251         of seth_add3_operand.
11252
11253 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
11254
11255         * Makefile.in (PROTO_OBJS): Add errors.o.
11256         * protoize.c (fancy_abort): Remove.
11257         * mips-tfile.c (fancy_abort): Add parameters.
11258
11259 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
11260
11261         * doc/trouble.texi (C++ misunderstandings): Fix example code.
11262
11263 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
11264
11265         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
11266         (host-default.o): Add dependency on HOOKS_H.
11267         * config/x-linux: Likewise.
11268         * config/x-solaris: Likewise.
11269         * config/i386/x-mingw32: Likewise.
11270         * config/rs6000/x-darwin: Likewise.
11271
11272 2004-08-23  James E Wilson  <wilson@specifixinc.com>
11273
11274         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
11275         DEF_REG_NOTE.
11276
11277 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
11278
11279         PR c/14492
11280         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
11281
11282 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
11283
11284         * cfg.c (check_bb_profile): Fix typos.
11285         * function.c (assign_parm_is_stack_parm): Likewise.
11286         * tree-nested.c: Likewise.
11287
11288 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
11289
11290         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
11291         Remove TYPECODE.
11292         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
11293
11294 2004-08-23  Eric Christopher  <echristo@redhat.com>
11295
11296         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
11297         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
11298         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
11299         * target.h: Ditto.
11300         * hooks.h: Include machmode.h.
11301         (hook_bool_mode_false): Declare.
11302         * hooks.c (hook_bool_mode_false): Define.
11303         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
11304         * stor-layout.c (layout_type): Ditto.
11305         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
11306         Define to target macro.
11307         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
11308         * config/arm/arm.c: Ditto. Use.
11309         * config/arm/arm.h: Ditto.
11310         * config/arm/arm-protos.h: Ditto.
11311         * config/i386/i386.c: Ditto.
11312         * config/i386/i386.h: Ditto.
11313         * config/rs6000/rs6000.c: Ditto.
11314         * config/rs6000/rs6000.h: Ditto.
11315         * config/sh/sh.c: Ditto.
11316         * config/sh/sh.h: Ditto.
11317         * config/sh/sh-protos.h: Ditto.
11318         * config/sh/sh.md: Use.
11319         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
11320         to TARGET_VECTOR_MODE_SUPPORTED_P.
11321
11322 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
11323
11324         * Makefile.in (BUILD_ERRORS): Set to build-errors.
11325         (errors.o): New target for host.
11326         (build-errors.o): New target for build.
11327         (genobjs): Replace errors.o with build-errors.
11328         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
11329         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
11330         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
11331         (fix-header.o): Add errors.h
11332         * collect2.c (fancy_abort): Add parameters.
11333         * collect2.h (fancy_abort): Don't declare.
11334         * errors.h (fancy_abort): Don't declare.
11335         * errors.c: Include either bconfig.h or config.h.
11336         (fancy_abort): Trim filename.
11337         * fix-header.c (v_fatal, fatal): Remove.
11338         (progname): Remove definition.
11339         (main): Set progname here.
11340         * gcc.c (fancy_abort): Add parameters.
11341         * gcc.h (fancy_abort): Remove declaration.
11342         * gcov.c (fancy_abort): Remove.
11343         * rtl.h (fancy_abort): Don't declare.
11344         (abort): Don't define.
11345         * tree.h (fancy_abort): Don't declare.
11346         (abort): Don't define.
11347         * system.h (fancy_abort): Declare.
11348         (abort): Define to fancy_abort.
11349         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
11350
11351         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
11352         (usize_type, ubitsizetype): Remove.
11353         * stor-layout.c (set_sizetype): Don't initialize usizetype,
11354         ubitsizetype.
11355         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
11356
11357         * tree.h (build_distinct_type_copy): New.
11358         (build_type_copy): ... here.  Rename to ...
11359         (build_variant_type_copy): ... here.
11360         * tree.c (build_qualified_type): Rename build_type_copy call.
11361         (build_distinct_type_copy): New, broken out of ...
11362         (build_type_copy): ... here.  Rename to ...
11363         (build_variant_type_copy): ... here.  Use
11364         build_distinct_type_copy.
11365         (build_common_tree_nodes_2): Rename build_type_copy call.
11366         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
11367         call.
11368         (handle_packed_attribute, handle_unused_attribute,
11369         handle_transparanet_union_attribute, handle_aligned_attribute,
11370         handle_deprecated_attribute): Likewise.
11371         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
11372         Likewise.
11373         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
11374         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
11375         build_distinct_type_copy.
11376
11377 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11378
11379         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
11380         attribute.
11381
11382 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11383
11384         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
11385         loads and stores.
11386         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
11387         formerly unnamed patterns.  Redefine using :P for the address.  Remove
11388         explicit length attributes.
11389
11390 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11391
11392         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
11393         New functions.
11394         (single_reachable_address): Use them.
11395         (schedule_sm): Add dump.
11396         (is_call_clobbered_ref): New function.
11397         (determine_lsm_reg): Check whether the reference is call clobbered.
11398         Only work for gimple_reg_type values.
11399
11400 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11401
11402         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
11403         $31 store insns.  Redefine using :GPR.
11404
11405 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11406
11407         * config/mips/mips.md (P): New mode macro.
11408         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
11409         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
11410         Add mode attributes.
11411
11412 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11413
11414         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
11415         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
11416         later constants to cover the gap.
11417         (load, store): New mode attributes.
11418         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
11419         Use new unspec constants.
11420
11421 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11422
11423         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
11424         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
11425         to use register_operand rather than uns_arith_operand as the predicate
11426         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
11427         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
11428         Redefine using :GPR.  Make same predicate change here.  Extend the
11429         commutativity of operands 1 and 2 from the SImode version to the
11430         DImode one.
11431         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
11432         but with no predicate changes.
11433         (*nor[sd]i3): Redefine using :GPR.
11434
11435 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11436
11437         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
11438         noreturn functions.
11439
11440 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11441
11442         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
11443         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
11444         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
11445         rather than "%z2" (with a fake const0_rtx for operand 2).
11446         (ffs[sd]i2): Redefine using :GPR.
11447         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
11448
11449 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11450
11451         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
11452
11453 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11454
11455         * config/mips/mips.md (any_extend): New code macro.
11456         (u, su): New code attributes.
11457         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
11458         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
11459         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
11460         (*{s,u}mul_acc_di): Redefine using any_extend.
11461         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
11462         to reflect real insn names.
11463         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
11464         with an any_extend template.
11465         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
11466         Add '*' to name.
11467
11468 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11469
11470         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
11471         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
11472         (mul[sd]i3_r4000): Redefine using :GPR.
11473         (mulsi3_mult3): Don't check TARGET_MAD separately.
11474         (muldi3_mult3): Moved after mulsi_mult3.
11475
11476 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11477
11478         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
11479         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
11480         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
11481         (TARGET_GAS, TARGET_MIPS_AS): Delete.
11482         (TARGET_GPWORD): Define to true for n32 on IRIX.
11483         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
11484         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
11485         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
11486         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
11487         (MDEBUG_ASM_SPEC): Delete, folding into...
11488         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
11489         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
11490         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
11491         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
11492         to define asm_abi_default_spec.
11493         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
11494         (TARGET_ASM_SELECT_SECTION): Delete.
11495         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
11496         for non-mips16 code, removing previous workaround for SGI assemblers.
11497         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
11498         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
11499         (override_options): Remove !TARGET_GAS and !have_named_sections code.
11500         (print_operand): Fold TARGET_GAS conditionals into asm strings.
11501         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
11502         ASM_STABS_OP and ASM_STABN_OP.
11503         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
11504         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
11505         (mips_output_function_prologue): Remove !TARGET_GAS code.
11506         (mips_select_rtx_section): Remove !have_named_sections code.
11507         (mips_select_section): Delete.
11508         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
11509         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
11510         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
11511         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
11512         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
11513         * config/mips/windiss.h (ASM_SPEC): Likewise.
11514
11515 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11516
11517         * read-rtl.c (map_value, mapping, macro_group): New structures.
11518         (BELLWETHER_CODE): New macro.
11519         (modes, codes, bellwether_codes): New variables.
11520         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
11521         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
11522         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
11523         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
11524         (add_map_value, initialize_macros): New functions.
11525         (def_hash, def_hash_eq_p): Generalize to anything that points to,
11526         or starts with, a char * field.
11527         (find_macro, read_mapping, check_code_macro): New functions.
11528         (read_rtx_1): New, split out from read_rtx.  Handle the new
11529         define_{mode,code}_{macro,attr} constructs.  Use find_macro
11530         to parse the name of a code or mode.  Use BELLWETHER_CODE to
11531         extract the format and to choose a suitable code for rtx_alloc.
11532         Modify recursive invocations to use read_rtx_1.
11533         (read_rtx): Call initialize_macros.  Apply code and mode macros
11534         to the rtx returned by read_rtx_1.  Cache everything after the
11535         first macro expansion for subsequent read_rtx calls.
11536         * doc/md.texi: Document new .md constructs.
11537         * config/mips/mips.md (GPR): New mode macro.
11538         (d, si8_di5): New mode attributes.
11539         (any_cond): New code macro.
11540         (add[sd]i3): Redefine using :GPR.
11541         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
11542         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
11543         previously unnamed MIPS16 patterns.
11544         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
11545         lines.  Don't match (plus (const_int 0) ...).
11546         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
11547         Use a define_split to generate the addition.
11548         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
11549         (subsi3_internal): Delete.
11550         (*subsi3_extended): Renamed from subsi3_internal_2.
11551         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
11552         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
11553         using an any_cond template.
11554
11555 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11556
11557         * read-rtl.c (read_rtx): Tidy use of format_ptr.
11558
11559 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
11560
11561         * read-rtl.c (string_obstack): New file-scope variable.
11562         (read_string, read_quoted_string, read_braced_string)
11563         (read_escape): Remove obstack parameter and use string_obstack instead.
11564         (read_rtx): Remove function-local rtl_obstack and initialize
11565         string_obstack instead.  Update call to read_string.
11566
11567 2004-08-22  Andrew Pinski  <apinski@apple.com>
11568
11569         PR c/15262
11570         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
11571         expression is not constant.
11572         (c_finish_return): Do not go through INDIRECT_REF when looking
11573         for the inner expression of an ADDR_EXPR for warning about.
11574
11575 2004-08-22  Richard Henderson  <rth@redhat.com>
11576
11577         PR 17075
11578         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
11579         create new blocks and fall through.
11580         (expand_gimple_basic_block): Update to match.
11581
11582 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
11583
11584         * reload.c (find_reloads_address): Make return value tri-state.
11585         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
11586         (find_reloads): Assume that reloaded addresses match 'o' or
11587         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
11588         returned 1 (not -1).  Omit optional reloads for address operands
11589         only if find_reloads_address returned 1 (not -1).
11590
11591         * config/s390/s390.c (legitimize_reload_address): New function.
11592         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
11593         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
11594         legitimize_reload_address.
11595
11596 2004-08-22  Richard Hendersion  <rth@redhat.com>
11597
11598         * tree.h (SAVE_EXPR_RESOLVED_P): New.
11599         * gimplify.c (gimplify_save_expr): Use it.
11600         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
11601         on the temporary variable.
11602
11603 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
11604
11605         * fold-const.c (rtl_expr_nonnegative_p): Delete.
11606         * tree.h (rtl_expr_nonnegative_p): Remove.
11607
11608 2004-08-22  Steven Bosscher  <stevenb@suse.de>
11609
11610         * config/i386/ppro.md (ppro_complex_insn): Add missing check
11611         for cpu==pentiumpro.
11612
11613         * combine.c (struct reg_stat): Fix comment typo.
11614
11615 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
11616
11617         * c-tree.h (c_sizeof_nowarn): Remove.
11618
11619 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
11620
11621         * c-decl.c (set_array_declarator_type): Rename to
11622         set_array_declarator_inner.
11623         (build_c_parm, build_attrs_declarator, build_function_declarator):
11624         New functions.
11625         (make_pointer_declarator): Call build_attrs_declarator.
11626         * c-tree.h (set_array_declarator_type): Rename to
11627         set_array_declarator_inner.
11628         (build_c_parm, build_attrs_declarator, build_function_declarator):
11629         New prototypes.
11630         * c-parse.in (after_type_declarator,
11631         parm_declarator_starttypename, parm_declarator_nostarttypename,
11632         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
11633         firstparm): Use these functions
11634
11635 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
11636
11637         * c-decl.c (build_array_declarator, set_array_declarator_type,
11638         start_decl, grokdeclarator, grokparms): Change boolean parameters
11639         to type bool.
11640         * c-tree.h (build_array_declarator, set_array_declarator_type,
11641         start_decl): Update prototypes.
11642         * c-decl.c, c-parse.in: All callers changed.
11643
11644 2004-08-21  Mike Stump  <mrs@apple.com>
11645
11646         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
11647         (darwin_fix_and_continue): Likewise.
11648         (darwin_fix_and_continue_switch): Likewise.
11649         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
11650         (darwin_fix_and_continue): Likewise.
11651         (darwin_fix_and_continue_switch): Likewise.
11652
11653 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
11654
11655         PR  c++/16030
11656         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
11657         Remove, merging into ...
11658         (gen_stdcall_or_fastcall_suffix): New function, returning tree
11659         rather than const char*, and accepting additional parameter.
11660         Don't add suffix to '*'-prefixed symbols or variadic functions.
11661         (i386_pe_encode_section_info): Adjust for call to new function.
11662         Call change_decl_assembler_name.
11663
11664 2004-08-20  Mike Stump  <mrs@apple.com>
11665
11666         * config/darwin.c (machopic_indirect_data_reference): Mark
11667         stubs as defined.
11668         * config/386/386.c (darwin_local_data_pic): Add.
11669         (legitimate_constant_p): Reorder so that PLUS handling runs
11670         before darwin_local_data_pic to match the ordering in
11671         legitimate_pic_address_disp_p and so that MINUS runs after
11672         darwin_local_data_pic as otherwise the darwin_local_data_pic
11673         logic can be skipped, which would be very bad.
11674         (legitimate_pic_address_disp_p): Move from from here to
11675         darwin_local_data_pic so it can be reused.
11676
11677 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
11678
11679         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
11680         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
11681         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
11682         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
11683         (RS6000_ABI_NAME): Define as "linux".
11684         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
11685         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
11686         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
11687         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
11688         * config/rs6000/rs6000.c (dot_symbols): New global var.
11689         (rs6000_output_function_entry): New function, modified for
11690         !DOT_SYMBOLS..
11691         (print_operand <case 'z'>): ..extracted from here.
11692         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
11693         (rs6000_output_function_epilogue): Likewise.
11694         (rs6000_elf_declare_function_name): Likewise.
11695         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
11696         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
11697         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
11698         * configure: Regenerate.
11699         * config.in: Regenerate.
11700
11701 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
11702
11703         * reload.c (find_reloads_address): Fix thinko in previous change.
11704
11705         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
11706         a CONST_INT.
11707
11708 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
11709
11710         PR rtl-optimization/17099
11711         * combine.c (force_to_mode): Check if inner_mask has any bits set
11712         outside of GET_MODE (x) instead of op_mode.
11713
11714 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
11715
11716         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
11717         fragment.
11718         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
11719         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
11720         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
11721         architecture.
11722         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
11723         configurations.
11724         * config/arm/t-symbian: New file.
11725
11726 2004-08-20  Andrew Pinski  <apinski@apple.com>
11727
11728         * regrename.c (kill_value_regno): ANSIfy.
11729
11730 2004-08-20  Dale Johannesen  <dalej@apple.com>
11731
11732         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
11733
11734 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
11735
11736         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
11737         (kill_value_regno): New function, derived from kill_value.
11738         (kill_value): Update.
11739         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
11740
11741 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
11742
11743         Fix PR tree-optimization/17111
11744         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
11745         of non-value_handles.
11746         (bitmap_set_contains): All constants are in every set.
11747
11748 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
11749
11750         * fold-const.c (round_up, round_down): Use build_int_cst.
11751         Optimize common case.
11752
11753 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
11754             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11755
11756         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
11757         one_only_data_section): Rename to som_readonly_data_section,
11758         som_one_only_readonly_data_section and som_one_only_data_section.
11759         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
11760         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
11761         conditional defines.
11762         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
11763         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
11764         string values.
11765         (pa_select_section): Use renamed section functions.
11766         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
11767         SOM_READONLY_DATA_SECTION_FUNCTION,
11768         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
11769         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
11770         Define here ...
11771         * config/pa/som.h: ... not here.
11772         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
11773         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
11774         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
11775         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
11776         (READONLY_DATA_SECTION): Use som_readonly_data_section.
11777
11778 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
11779
11780         * fold-const.c (int_const_binop): Don't generate non-overflowing
11781         size-types specially.
11782         (fold_convert_const): Likewise.
11783
11784         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
11785         clear cache on copied sizetype.
11786
11787 2004-08-20  Ben Elliston  <bje@au.ibm.com>
11788
11789         * configure.ac: Don't escape apostrophe in --enable-coverage help.
11790         * configure: Regenerate.
11791
11792 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
11793
11794         PR 5620
11795         * gcc.c (struct stat input_stat): Don't define if
11796         HOST_LACKS_INODE_NUMBERS
11797         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
11798         than stat to determine if temp file is same as input file.
11799         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
11800         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
11801
11802 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
11803
11804         * configure.ac (mips*-*-*): Print an error if not using GAS.
11805         * configure: Regenerated.
11806         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
11807         comments about buggy MIPSpro assemblers.
11808         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
11809         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
11810         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
11811         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
11812         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
11813         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
11814         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
11815         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
11816         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
11817         of more general IRIX 6 definitions.
11818         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
11819         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
11820         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
11821         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
11822         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
11823         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
11824         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
11825         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
11826         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
11827         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
11828         (LINK_SPEC): Move most of definition to iris.h.
11829         (SUBTARGET_LINK_SPEC): New macro.
11830         (IRIX_STARTFILE_SPEC): Fold into...
11831         (STARTFILE_SPEC): ...here.
11832         (IRIX_ENDFILE_SPEC): Fold into...
11833         (ENDFILE_SPEC): ...here.
11834         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
11835         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
11836         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
11837         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
11838         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
11839         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
11840         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
11841         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
11842         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
11843         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
11844         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
11845         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
11846         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
11847         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
11848         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
11849         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
11850         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
11851         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
11852         (TARGET_IRIX6): Define to 1.
11853         (DRIVER_SELF_SPECS): Define.
11854         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
11855         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
11856         (SUBTARGET_LINK_SPEC): New macro.
11857         (IRIX_STARTFILE_SPEC): Fold into...
11858         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
11859         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
11860         (LIB_SPEC, LIBGCC_SPEC): Use them.
11861         (LIB_SPEC): Remove !mabi=* case.
11862         (IRIX_ENDFILE_SPEC): Fold into...
11863         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
11864         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
11865         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
11866         (TARGET_IRIX6): New macro.
11867         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
11868         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
11869         (LABEL_AFTER_LOC): Delete.
11870         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
11871         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
11872         (mips_build_builtin_va_list): Check TARGET_IRIX6.
11873         (override_options): Remove TARGET_SGI_O32_AS-related code.
11874         (irix_output_external_libcall): Make static.
11875         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
11876         LABEL_AFTER_LOC.
11877         (mips_file_start): Tidy guard for ABI sections.  Remove use of
11878         ABICALLS_ASM_OP; use .abicalls instead.
11879         (mips_output_aligned_decl_common, mips_declare_object_name)
11880         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
11881         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
11882         .globl foo .text directives.
11883         (irix_asm_named_section_1, irix_asm_named_section)
11884         (irix_section_align_entry, irix_section_align_htab)
11885         (irix_orig_asm_out_file, irix_section_align_entry_eq)
11886         (irix_section_align_entry_hash, irix_asm_output_align)
11887         (irix_file_start, irix_section_align_1, copy_file_data)
11888         (irix_file_end, irix_section_type_flags): Delete.
11889         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
11890         Use standard section syntax.  Remove protective "jr $31".
11891         (__gcc_fini): Likewise .gcc_fini.
11892         * config/mips/irix-crtn.asm: Adjust sections accordingly.
11893         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
11894         iris5gas.h.
11895         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
11896         from t-irix-gld.
11897         (EXTRA_MULTILIB_PARTS): Define.
11898         * config/mips/t-iris6: Remove bogus comment.
11899         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
11900         * config/mips/iris5gas.h, config/mips/iris5gld.h,
11901         config/mips/iris6gas.h, config/mips/iris6gld.h,
11902         config/mips/t-iris5-as, config/mips/t-iris5-gas
11903         config/mips/t-irix-gld: Delete.
11904         * config/mips/iris.h: New file.
11905         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
11906
11907 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
11908
11909         * postreload.c (reload_cse_move2add): Allow any condjump, but check
11910         that the implicit set isn't clobbered in the jump insn.
11911
11912 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
11913
11914         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
11915         * optabs.c (init_optabs): Don't check it.
11916         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
11917         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
11918
11919 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
11920
11921         * config/s390/s390.md (s390_warn_framesize_string)
11922         (s390_warn_dynamic_string, s390_stack_size_string)
11923         (s390_stack_guard_string): New global string variables.
11924         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
11925         (s390_stack_guard): New global variables.
11926         (override_options): Added checks for the new options.
11927         (s390_emit_prologue): Emit stack check and trap code and perform
11928         compile time stack size checking.
11929
11930         * config/s390/s390.h (TARGET_OPTIONS): Added new options
11931         "warn-framesize", "warn-dynamicstack", "stack-size" and
11932         "stack-guard".
11933
11934         * doc/invoke.texi: Added documentation for the new options.
11935
11936 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
11937
11938         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
11939         to eliminate warning.
11940         (linear_search_fdes): Declare p as unsigned.
11941         (binary_search_mixed_encoding_fdes): Likewise.
11942         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
11943         to eliminate warning.
11944         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
11945         type cast.
11946
11947 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
11948
11949         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
11950         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
11951         instead of one.  Check for strictly legitimate address.
11952         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
11953         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
11954
11955 2004-08-19  Eric Christopher  <echristo@redhat.com>
11956
11957         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
11958         * langhooks.h (unsave_expr_now): Ditto.
11959         * tree.h (unsave_expr_1): Remove prototype.
11960         (lhd_unsave_expr_now): Rename to unsave_expr_now.
11961         * tree-inline.c (unsave_expr_1): Move here
11962         from tree.c. Make static.
11963         (unsave_expr_now): Rename from lhd_unsave_expr_now.
11964         * tree-sra.c: Fix up for rename.
11965         * tree-ssa-copy.c: Ditto.
11966         * tree-eh.c: Ditto.
11967         * tree.c (unsave_expr_1): Move to tree-inline.c.
11968
11969 2004-08-19  Caroline Tice  <ctice@apple.com>
11970
11971         * config/i386/cygming.h (switch_to_section):  Fix typo (change
11972         in_unlikely_text_section to in_unlikely_executed_text).
11973
11974 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
11975
11976         * vec.h (VEC_lower_bound): New macro.
11977
11978 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
11979
11980         PR target/16446
11981         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
11982         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
11983         treat each ABI separately.  Deal with n32/n64 complex float arguments.
11984         (function_arg): Add associated complex handling here.
11985
11986 2004-08-19  Richard Henderson  <rth@redhat.com>
11987
11988         * config/arm/arm.c (arm_gen_load_multiple): Use
11989         adjust_automodify_address.  Take base memory and offset instead
11990         of unchanging/struct/scalar bits.
11991         (arm_gen_store_multiple): Likewise.
11992         (arm_gen_movmemqi): Use adjust_automodify_address.
11993         * config/arm/arm-protos.h: Update decls.
11994         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
11995         (store_multiple): Similarly.
11996
11997 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
11998
11999         * regclass.c (globalize_reg): Update call_really_used_regs.
12000
12001 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
12002
12003         * doc/invoke.texi (integer-share-limit): Document.
12004
12005         * tree.h (TYPE_CACHED_VALUES_P): New.
12006         (TYPE_CACHED_VALUES): New.
12007         (TYPE_ORIG_SIZE_TYPE): Adjust.
12008         * tree.def (INTEGER_CST): Update documentation.
12009         * tree.c: Inlcude params.h.
12010         (build_int_cst): Cache small values.
12011         (build_type_copy): Do not copy the value cache.
12012         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
12013         unneeded zeroing.
12014         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
12015         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
12016         cache.
12017         * fold-const.c (force_fit_type): Copy value when setting
12018         overflows.
12019         (int_const_binop): Likewise.
12020         * stor-layout.c: Include params.h
12021         (set_sizetype): Create values cache.
12022         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
12023         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
12024         * params.h (INTEGER_SHARE_LIMIT): New.
12025         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
12026
12027 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
12028
12029         * gimplify.c (gimplify_minimax_expr): Remove.
12030         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
12031
12032 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
12033
12034         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
12035         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
12036
12037 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
12038
12039         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
12040
12041 2004-08-18  Andrew Pinski  <apinski@apple.com>
12042
12043         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
12044
12045 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
12046
12047         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
12048         (__aeabi_ul2f): Likewise.
12049
12050 2004-08-18  Richard Henderson  <rth@redhat.com>
12051
12052         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
12053         move to rtl completely.
12054         (struct meminsnbuf, xtensa_emit_block_move): Remove.
12055         (xtensa_find_mode_for_size): Remove.
12056         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
12057         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
12058
12059 2004-08-18  Richard Henderson  <rth@redhat.com>
12060
12061         * config/mcore/mcore.c (mode_from_align): Remove DImode.
12062         (block_move_sequence): Rewrite to use adjust_address.
12063         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
12064         Return boolean indicating success/failure.
12065         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
12066         * config/mcore/mcore.md (movmemsi): Update to match.
12067
12068 2004-08-18  Mike Stump  <mrs@apple.com>
12069
12070         * doc/invoke.texi (-mfix-and-continue): Add support for
12071         fast turn around debugging.
12072         (-ffix-and-continue): Likewise.
12073         (-mindirect-data): Likewise.
12074         (-findirect-data): Likewise.
12075         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
12076         (indirect_data): Likewise.
12077         (machopic_data_defined_p): Likewise.
12078         (machopic_output_indirection): Likewise.
12079         (darwin_encode_section_info): Likewise.
12080         (darwin_fix_and_continue): Likewise.
12081         (darwin_fix_and_continue_switch): Likewise.
12082         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
12083         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
12084         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
12085         (SUBTARGET_OPTIONS): Likewise.
12086         (darwin_fix_and_continue): Likewise.
12087         (darwin_fix_and_continue_switch): Likewise.
12088         (TARGET_FIX_AND_CONTINUE): Likewise.
12089         * config/rs6000.c (rs6000_emit_prologue): Likewise.
12090
12091 2004-08-19  Steven Bosscher  <stevenb@suse.de>
12092
12093         * basic-block.h (struct edge_def): Remove crossing_edge.
12094         (EDGE_CROSSING): New define.
12095         (EDGE_ALL_FLAGS): Update.
12096         * bb-reorder.c (find_traces_1_round, better_edge_p,
12097         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
12098         find_jump_block, fix_crossing_conditional_branches,
12099         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
12100         Replace all occurences of crossing_edge with an edge flag check
12101         or set/reset.
12102         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
12103         try_crossjump_bb): Likewise.
12104         * cfglayout.c (fixup_reorder_chain): Likewise.
12105         * cfgrtl.c (force_nonfallthru_and_redirect,
12106         commit_one_edge_insertion): Likewise.
12107
12108         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
12109         * tree-flow.h (compute_dominance_frontiers): Move prototype...
12110         * basic-block.h:  ...here.
12111         * tree-cfg.c (compute_dominance_frontiers_1,
12112         compute_dominance_frontiers): Move from here...
12113         * cfganal.c: ...to here.  Include timevar.h.
12114
12115 2004-08-18  James E Wilson  <wilson@specifixinc.com>
12116
12117         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
12118         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
12119
12120         * config/mips/mips.md (type): Add frdiv.
12121         (divsf3+1, divsf3+2): Change type to frdiv.
12122         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
12123         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
12124
12125         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
12126         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
12127         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
12128         * config/mips/5000.md (r5k_fdiv_single): Likewise.
12129         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
12130         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
12131         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
12132         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
12133         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
12134         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
12135         Likewise.
12136         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
12137
12138 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
12139
12140         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
12141         get regression tester working again.
12142
12143 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
12144
12145         * insn-notes.def, reg-notes.def: New files.
12146         * rtl.h: Use them to define enum insn_note and enum reg_note.
12147         * rtl.c: Use them to define note_insn_name and reg_note_name.
12148         * Makefile.in (RTL_BASE_H): Update.
12149
12150         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
12151         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
12152
12153 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
12154
12155         * arm.c (arm_size_rtx_costs): New function.
12156         (arm_override_options): Use it if optimizing for space.
12157
12158 2004-08-18  Richard Henderson  <rth@redhat.com>
12159
12160         * emit-rtl.c (gen_const_mem): New.
12161         * rtl.h (gen_const_mem): Declare.
12162         * expr.c (do_tablejump): Use it.
12163         * varasm.c (force_const_mem): Likewise.
12164         * config/darwin.c (machopic_indirect_data_reference): Likewise.
12165         (machopic_legitimize_pic_address): Likewise.
12166         * config/arm/arm.c (legitimize_pic_address): Likewise.
12167         * config/i386/i386.c (legitimize_pic_address): Likewise.
12168         (legitimize_tls_address): Likewise.
12169         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
12170         * config/ia64/ia64.md (load_fptr): Likewise.
12171         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
12172         * config/pa/pa.c (legitimize_pic_address): Likewise.
12173         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
12174         (rs6000_emit_move): Likewise.
12175         * config/s390/s390.c (legitimize_pic_address): Likewise.
12176         (legitimize_tls_address): Likewise.
12177         * config/s390/s390.md (casesi): Likewise.
12178         * config/sh/sh.c (sh_reorg): Likewise.
12179         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
12180         * config/v850/v850.md (casesi): Likewise.
12181
12182         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
12183         * config/sh/sh.c (prepare_move_operands): Remove incorrect
12184         use of MEM_READONLY_P.
12185
12186 2004-08-18  Steven Bosscher  <stevenb@suse.de>
12187
12188         * Makefile.in (OBJS-common): Add postreload-gcse.c.
12189         Add new postreload-gcse.o.
12190         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
12191         (lookup_as_function, insert, rehash_using_reg, use_related_value,
12192         equiv_constant): Use SAFE_HASH instead of safe_hash.
12193         (exp_equiv_p): Export.  Add for_gcse argument when comparing
12194         for GCSE.
12195         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
12196         find_comparison_args, fold_rtx, cse_insn): Update callers.
12197         (hash_rtx): New function derived from old canon_hash and bits
12198         from gcse.c hash_expr_1.
12199         (canon_hash_string): Rename to hash_rtx_string.
12200         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
12201         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
12202         (cselib_lookup): Update this caller.
12203         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
12204         Make static.
12205         (hash_expr): Call hash_rtx.
12206         (ldst_entry): Likewise.
12207         (expr_equiv_p): Call exp_equiv_p.
12208         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
12209         reg_used_on_edge, reg_set_between_after_reload_p,
12210         reg_used_between_after_reload_p, get_avail_load_store_reg,
12211         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
12212         get_bb_avail_insn, hash_scan_set_after_reload,
12213         compute_hash_table_after_reload,
12214         eliminate_partially_redundant_loads, gcse_after_reload,
12215         get_bb_avail_insn, gcse_after_reload_main): Remove.
12216         * postreload-gcse.c: New file, reincarnating most of the above.
12217         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
12218         (gcse_after_reload_main): Update prototype.
12219         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
12220         * passes.c (rest_of_handle_gcse2): Use it.
12221
12222 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
12223
12224         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
12225         (pass_loop_done): Likewise.
12226
12227 2004-08-18  Andrew Pinski  <apinski@apple.com>
12228
12229         * config/rs6000/darwin.md: Delete the altivec patterns which are
12230         handled differently now.
12231         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
12232         (macho_correct_pic_di): Likewise.
12233         (call_indirect_nonlocal_darwin64): Likewise.
12234         Delete the save world/saveFP/saveVec patterns.
12235
12236         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
12237         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
12238         * config/rs6000/rs6000.md: Include darwin.md.
12239         (builtin_setjmp_receiver): Add DImode case.
12240         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
12241         Darwin bits.
12242
12243 2004-08-18  Matt Austern  <austern@apple.com>
12244
12245         Dead code stripping
12246         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
12247         * darwin.c (darwin_file_end): Mark file as potentially strippable.
12248
12249 2004-08-18  Richard Henderson  <rth@redhat.com>
12250
12251         * alias.c (readonly_fields_p): Remove.
12252         (objects_must_conflict_p): Don't call it.
12253         * tree.h (readonly_fields_p): Remove.
12254         * langhooks.h (struct lang_hooks): Remove honor_readonly.
12255         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
12256
12257 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
12258
12259         * tree-dfa.c (add_referenced_var): Only global variables are
12260         call-clobbered.
12261         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
12262         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
12263         all pointers dereferenced if the statement dereferences them.
12264         (create_name_tags): Do not create memory tags for pointers
12265         that have PT_ANYTHING set.
12266         Also check if PT_VARS is not empty before creating a name tag.
12267         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
12268         variables that share the same alias set with a pointer that
12269         may point anywhere.
12270         (add_may_alias): Add FIXME comment to remove clobbering
12271         aliased variables and tags.
12272         (replace_may_alias): Likewise.
12273         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
12274         (merge_pointed_to_info): If the original variable has not
12275         points-to information, call set_pt_anything.
12276         (add_pointed_to_var): Do not prevent adding a pointed-to
12277         variable if the pointers is PT_ANYTHING.
12278         If the variable is a global, set PT_GLOBAL_MEM.
12279         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
12280         pointer type only come in PTR+OFFSET flavours.
12281         Always call merge_pointed_to_info on PHI arguments that are
12282         SSA_NAMEs.
12283         (get_nmt_for): Mark call-clobbered tags whose pointer points
12284         to global memory.
12285         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
12286         values.
12287         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
12288         FLAGS.
12289         (add_stmt_operand): Abort if the caller tried to add a killing
12290         definition for a memory tag.
12291         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
12292         unnecessary checks.
12293
12294 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
12295
12296         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
12297         from call_used_regs.  Update call_really_used_regs.
12298         (CALL_REALLY_USED_REGISTERS): Define.
12299         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
12300         Replace call_used_regs with call_really_used_regs.
12301         (calc_live_regs, sh_media_register_for_return): Likewise.
12302         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
12303         * sh.md (return_media): Likewise.
12304
12305 2004-08-18  Andrew Pinski  <apinski@apple.com>
12306
12307         * config/darwin.c (machopic_legitimize_pic_address): Only set
12308         MEM_READONLY_P in the non TARGET_TOC case.
12309
12310 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
12311
12312         * rtl.def (NIL): Delete.
12313         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
12314         Tighten the syntax a little.
12315
12316         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
12317         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
12318         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
12319         * config/i386/predicates.md, config/m32r/m32r.h
12320         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
12321         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
12322         * config/sparc/sparc.h, doc/tm.texi:
12323         Replace all occurrences of NIL with UNKNOWN.
12324
12325 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
12326
12327         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
12328         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
12329         sequence inline.  Move drop_through_label code into this
12330         block, being the only place it is used.  Adjust comments.
12331
12332 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
12333
12334         * config/rs6000/altivec.md: Add new patterns for calls to
12335         save_world/rest_world functions.
12336
12337         * config/rs6000/rs6000-protos.h: (save_world_operation,
12338         restore_world_operation) new declarations.
12339
12340         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
12341         field added.
12342         (rs6000_stack_info): Set world_save_p field.
12343         (save_world_operation): New function.
12344         (restore_world_operation): New function.
12345         (compute_save_world_info): New function.
12346         (rs6000_stack_info): Call compute_save_world_info.
12347         (rs6000_emit_prologue): Check for world_save_p and generate
12348         pattern to call save_world for saving all non-volatile and
12349         special registers.
12350         (rs6000_emit_epilogue): Check for world_save_p and generate
12351         pattern to call rest_world to restore saved registers.
12352
12353         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
12354         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
12355         (rs6000_reg_names): New entries added for save_world_operation and
12356         restore_world_operation.
12357
12358 2004-08-18  Caroline Tice  <ctice@apple.com>
12359
12360         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
12361         "-freorder-blocks-and-partition" to the flags used in second
12362         stage of profiledbootstrap.
12363         * bb-reorder.c (push_to_next_round_p): Add new variable,
12364         next_round_is_last; set and use variable to make sure, when
12365         partitioning, that the last trace construction round consists
12366         of all (and only) cold basic blocks.
12367         (rotate_loop): Don't copy blocks that end in a section
12368         crossing jump.
12369         (copy_bb): Correctly initialize "partition" of duplicated bb.
12370         (add_unlikely_executed_notes): Add a comment.
12371         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
12372         to make sure, if function contains hot blocks, that the
12373         successors of ENTRY_BLOCK_PTR are hot; also, only look for
12374         crossing edges if the architecture supports named sections.
12375         (mark_bb_for_unlikely_executed_section): Modify to always
12376         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
12377         the basic block note insn.
12378         (fix_crossing_unconditional_branches): Remove extra space.
12379         (fix_edges_for_rarely_executed_code): Modify to only do
12380         partitioning work if the architecture supports named sections.
12381         (reorder_basic_blocks): Modify to only add
12382         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
12383         supports named sections.
12384         * c-common.c (handle_section_attribute): Initialize new global
12385         variable, user_defined_section_attribute, to true if user has
12386         specified one.
12387         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
12388         forward edges that cross section boundaries.
12389         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
12390         partitioning information if the architecture supports named
12391         sections.
12392         * cfgrtl.c (target.h): Add statement to include this.
12393         (rtl_split_block): Make sure newly created bb gets correct
12394         partition.
12395         (try_redirect_by_replacing_jump): Make sure redirection isn't
12396         attempting to cross section boundaries.
12397         (force_nonfallthru_and_redirect): Only do partition fix up if
12398         architecture supports named sections.
12399         (rtl_split_edge): Make sure newly created bb ends up in
12400         correct partition.
12401         (commit_one_edge_insertion): Remove code that incorrectly
12402         updated basic block partition; Make sure partition fix up only
12403         happens if architecture supports named sections and it's not
12404         already done.
12405         (rtl_verify_flow_info_1): Fix if-condition on test/error
12406         condition that fallthru edges are not allowed to cross section
12407         boundaries.
12408         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
12409         * final.c (final_scan_insn): Remove redundant test from if-statement;
12410         change calls to text_section into calls to function_section; add code
12411         to only to partitioning fix up if architecture supports named
12412         sections.
12413         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
12414         partition.
12415         (if_convert): Add targetm.have_named_sections to test.
12416         * output.h (unlikely_section_label): Extern declaration for new global
12417         variable.
12418         (unlikely_text_section_name): Likewise.
12419         * opts.c (decode_options): If both partitioning and DWARF debugging
12420         are turned on, issue a warning that this doesn't work, and change
12421         partitiong to basic block reordering (without hot/cold partitions).
12422         * passes.c (rest_of_handle_final): Re-set new global variable,
12423         user_defined_section_attribute, to false.
12424         (rest_of_compilation): Change options for calling partitioning
12425         function: Don't call if the user defined the section attribute, and
12426         don't call if DECL_ONE_ONLY is true for the current function.
12427         * predict.c (choose_function_section): Return immediately if we
12428         are doing hot/cold partitioning (i.e. let the basic block partitioning
12429         determine where the function belongs).
12430         * reg-stack.c (emit_swap_insn): Add condition to step over
12431         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
12432         * toplev.c (user_defined_section_attribute): New global variable.
12433         * toplev.h (user_defined_section_attribute): Extern declaration
12434         for new global variable.
12435         * varasm.c (unlikely_section_label): New global variable.
12436         (unlikely_text_section_name): New global variable.
12437         (unlikely_text_section): Add code to initialize
12438         unlikely_text_section_name if necessary; modify to use
12439         unlikely_text_section_name and unlikely_section_label; also to use
12440         named_section properly.
12441         (in_unlikely_text_section):  Modify to work correctly with
12442         named_section and to use unlikely_text_section_name.
12443         (named_section):  Add code to work properly with cold section.
12444         (function_section): Clean up if-statement.
12445         * config/darwin.c (darwin_asm_named_section): Return to original
12446         code, removing use of SECTION_FORMAT_STRING.
12447         * config/arm/pe.h (switch_to_section):  Add case for
12448         in_unlikely_executed_text to switch statement.
12449         * config/i386/cygming.h (switch_to_section): Likewise.
12450         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
12451         (SECTION_FORMAT_STRING): Likewise.
12452         * config/mcore/mcore.h (switch_to_section): Likewise.
12453         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
12454         (SECTION_FORMAT_STRING): Remove.
12455
12456 2004-08-18  Roger Sayle  <roger@eyesopen.com>
12457
12458         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
12459         -ffixed-reg safe, by preserving the meanings of zero and one.
12460         (CALL_USED_REGISTERS): Likewise.
12461         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
12462
12463 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
12464
12465         * config/sh/sh.c (split_branches): Check the result of
12466         next_active_insn.
12467         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
12468         Call rtl_register_cfg_hooks.
12469
12470 2004-08-18  Richard Henderson  <rth@redhat.com>
12471
12472         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
12473         * alias.c (true_dependence): Update to match new semantics.
12474         (canon_true_dependence, write_dependence_p): Likewise.
12475         (anti_dependence, output_dependence): Update write_dependence_p args.
12476         (unchanging_anti_dependence): Remove.
12477         * calls.c (purge_mem_unchanging_flag): Remove.
12478         (fixup_tail_calls): Don't call it.
12479         (expand_call): Don't add unchanging memory to function usage.
12480         * expr.c (emit_block_move_via_libcall): Likewise.
12481         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
12482         (get_subtarget): Don't use RTX_UNCHANGING_P.
12483         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
12484         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
12485         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
12486         * cse.c (insert): Don't use RTX_UNCHANGING_P.
12487         (cse_insn, canon_hash): Use MEM_READONLY_P.
12488         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
12489         instead of RTX_UNCHANGING_P.
12490         * explow.c (maybe_set_unchanging): Remove.
12491         * expr.h (maybe_set_unchanging): Remove.
12492         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
12493         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
12494         (assign_parm_setup_reg, expand_function_start): Likewise.
12495         * integrate.c (copy_rtx_and_substitute): Likewise.
12496         * ra-rewrite.c (emit_colors): Likewise.
12497         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
12498         (fixup_match_1): Likewise.
12499         * reload1.c (reload, alter_reg): Likewise.
12500         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
12501         not RTX_UNCHANGING_P.
12502         (equiv_init_varies_p): Likewise.
12503         * loop-invariant.c (check_maybe_invariant): Likewise.
12504         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
12505         * loop.c (note_addr_stored): Likewise.
12506         (prescan_loop): Likewise. Don't check function usage for clobbered
12507         unchanging memory.
12508         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
12509         not RTX_UNCHANGING_P.
12510         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
12511         * varasm.c (force_const_mem): Likewise.
12512         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
12513         * web.c (entry_register): Likewise.
12514         * tree-gimple.h (get_base_address): Move decl ...
12515         * tree.h: ... here.
12516         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
12517
12518         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
12519         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
12520         (alpha_set_memflags): Update to match.
12521
12522         * config/darwin.c (machopic_indirect_data_reference): Set
12523         MEM_READONLY_P instead of RTX_UNCHANGING_P.
12524         (machopic_indirect_call_target): Likewise.
12525         (machopic_legitimize_pic_address): Likewise.
12526         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
12527         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
12528         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
12529         * config/frv/frv.md (symGOT2reg): Likewise.
12530         * config/i386/i386.c (legitimize_pic_address,
12531         legitimize_tls_address, ix86_split_to_parts): Likewise.
12532         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
12533         * config/ia64/ia64.md (load_fptr): Likewise.
12534         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
12535         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
12536         * config/mcore/mcore.c (block_move_sequence): Likewise.
12537         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
12538         * config/pa/pa.c (legitimize_pic_address): Likewise.
12539         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
12540         (rs6000_emit_move): Likewise.
12541         * config/s390/s390.c (legitimize_pic_address): Likewise.
12542         (legitimize_tls_address): Likewise.
12543         * config/s390/s390.md (casesi): Likewise.
12544         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
12545         * config/sh/sh.md (symGOT2reg): Likewise.
12546         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
12547         * config/v850/v850.md (casesi): Likewise.
12548
12549         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
12550         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
12551         * config/mips/mips.c (mips_restore_gp): Likewise.
12552         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
12553         * config/sh/sh.c (sh_reorg): Likewise.
12554
12555 2004-08-18  Richard Henderson  <rth@redhat.com>
12556
12557         * tree.h (struct tree_decl): Add gimple_formal_temp.
12558         (DECL_GIMPLE_FORMAL_TEMP_P): New.
12559         * gimplify.c (pop_gimplify_context): Clear it.
12560         (lookup_tmp_var): Set it, if is_formal.
12561         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
12562         Use is_gimple_val for VECTOR.  Simplify return value.
12563         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
12564         (gimplify_expr): Likewise.
12565         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
12566         is_gimple_tmp_rhs for clarity.  Update all callers.
12567         (is_gimple_reg_rhs): Simplify logic.
12568         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
12569         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
12570         (is_gimple_formal_tmp_reg): Similarly.
12571         * tree-gimple.h: Update decls.
12572         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
12573         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
12574         * tree-ssa-live.c (var_union, type_var_init): Likewise.
12575
12576 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
12577
12578         * c4x.c (legitimize_operands): Remove calls to
12579         preserve_subexpressions_p.
12580
12581 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
12582
12583         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
12584         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
12585
12586 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
12587
12588         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
12589         Objective-C++ extensions.
12590         * gengtype.c (get_file_basename): Match entire subdirectory name
12591         ('cp', 'objc', 'objcp') rather than just its suffix.
12592         (get_base_file_bitmap): Allow for files to belong to more than one
12593         language.
12594         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
12595         used by more than one front-end.
12596
12597 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
12598
12599         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
12600         avoid use of preserve_subexpressions_p.
12601
12602 2004-08-17  Richard Henderson  <rth@redhat.com>
12603
12604         PR 17051
12605         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
12606
12607 2004-08-17  DJ Delorie  <dj@redhat.com>
12608
12609         * doc/extend.texi: Document new xstormy16 attribute.
12610
12611         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
12612         (xstormy16_splittable_below100_or_register): New.
12613         (combine_bnp): New.
12614         (xstormy16_reorg): New.
12615         (TARGET_MACHINE_DEPENDENT_REORG): Define.
12616
12617         * config/stormy16/stormy16.md (movqi_internal): Make name public.
12618         (movhi_internal): Likewise.
12619         (cbhranchhi): Likewise.
12620         (cbhranchhi_neg): Likewise.
12621         (andhi3): Only allow splittable below100 operands.
12622         (iorhi3): Likewise.
12623         (peephole2): New and/zero_extend->and peephole.
12624         (peephole2): New load/ior/save->set1 peephole.
12625         (peephole2): New load/and/save->clr1 peephole.
12626         (bclrx, bclrx2, bclr7, bclr15): New.
12627         (bsetx, bsetx2, bset7, bset15): New.
12628
12629         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
12630         liberal about acceptable 'B' masks.
12631
12632         * config/stormy16/stormy16-protos.h
12633         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
12634         xstormy16_below100_operand, xstormy16_below100_or_register,
12635         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
12636         (PREDICATE_CODES): Add new predicates.
12637
12638         * config/stormy16/stormy16.c
12639         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
12640         xstormy16_below100_operand, xstormy16_below100_or_register,
12641         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
12642         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
12643         (xstormy16_legitimate_address_p): Allow below100 symbols.
12644         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
12645         (xstormy16_expand_move): Leave below100 operands as-is.
12646         (xstormy16_encode_section_info): Encode below100 symbols.
12647         (xstormy16_strip_name_encoding): New.
12648         (xstormy16_print_operand): Print 'b' as shift mask.
12649         (xstormy16_attribute_table): Add below100 attributes.
12650         (xstormy16_handle_below100_attribute): New.
12651
12652         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
12653         (XSTORMY16_SECTION_FUNCTION): New.
12654         (EXTRA_SECTION_FUNCTIONS): Define using the above.
12655         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
12656         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
12657         (ASM_OUTPUT_LABELREF): Define.
12658
12659         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
12660         (movhi_internal): Add below100 support.
12661         (andhi3): Add below100 support.
12662         (iorhi3): Add below100 support.
12663         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
12664
12665 2004-08-17  James E Wilson  <wilson@specifixinc.com>
12666
12667         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
12668         of VOIDmode for comparison code mode.
12669         * config/mips/mips.md: For conditional move patterns, use mode of
12670         first compare operand for comparison mode, instead of VOIDmode.
12671
12672         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
12673         normal and -ffast-math code.
12674
12675 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
12676
12677         PR c++/15871
12678         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
12679
12680 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
12681
12682         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
12683
12684 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
12685
12686         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
12687         for non Darwin targets.
12688         (*call_value_nonlocal_darwin64): Likewise.
12689
12690 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
12691
12692         * config/rs6000/rs6000.c (rs6000_function_value): Check for
12693         altivec mode for altivec return register.
12694
12695 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
12696
12697         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
12698         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
12699         * config/rs6000/rs6000.md: Include darwin.md.
12700         (builtin_setjmp_receiver): Add DImode case.
12701         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
12702         Darwin bits.
12703
12704 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
12705
12706         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
12707         trees.
12708         * tree-vectorizer.h: New File: Same.
12709         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
12710         * common.opt (ftree-vectorize): New flag to enable vectorization.
12711         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
12712         vectorization pass.
12713         * tree-data-ref.h (init_data_ref): Additional argument.
12714         (array_base_name_differ_p): Moved to tree-data-ref.c.
12715         * tree-data-ref.c (array_base_name_differ_p): Revised.
12716         (initialize_data_dependence_relation): Call array_base_name_differ_p
12717         with an extra argument.
12718         (analyze_all_data_dependences): Same.
12719         (init_data_ref): Additional argument is_read to set DR_IS_READ.
12720         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
12721         file.
12722         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
12723         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
12724         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
12725         vectorization pass.
12726         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
12727         (tree_ssa_loop_done): Call scev_finalize.
12728         (tree_vectorize): Define the new vectorization pass.
12729         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
12730         size of the vector they support (until support for multiple vector
12731         sizes is added to the vectorizer).
12732         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
12733         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
12734         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
12735         documentation.
12736
12737 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
12738
12739         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
12740         usage.
12741         (generate_protocol_list, handle_impent): Likewise.
12742
12743 2004-08-17  Roger Sayle  <roger@eyesopen.com>
12744
12745         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
12746         ensure that call_used_regs is a superset of both fixed_regs and
12747         call_really_used_regs.
12748
12749 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
12750
12751         PR target/17019
12752         * arm.md (addsi3_cbranch_scratch): Correct case labels.
12753
12754 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
12755
12756         PR middle-end/17036
12757         * fold-const.c (fold): Check for integer operand when
12758         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
12759         Pinski  <pinskia@physics.uc.edu>.
12760
12761 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
12762
12763         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
12764         No need to check if in a cross configuration.
12765         * configure: Regenerate.
12766
12767         * calls.c (precompute_register_parameters):
12768         Inline preserve_subexpressions_p ().
12769         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
12770         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
12771         Likewise.
12772         * expr.c (get_subtarget): Likewise.
12773         * rtl.h (preserve_subexpressions_p): Remove.
12774         * stmt.c (preserve_subexpressions_p): Remove.
12775
12776         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
12777         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
12778         Abort on gimplified cases.
12779
12780 2004-08-16  James E Wilson  <wilson@specifixinc.com>
12781
12782         * tree.h (VECTOR_FLOAT_TYPE_P): New.
12783         (FLOAT_TYPE_P): Use it.
12784         * c-typeck.c (build_binary_op): After convert calls, check for
12785         check for ERROR_MARK operands.
12786
12787 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
12788
12789         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
12790         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
12791         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
12792         (genobjs static pattern rule): Remove %.c dependency.
12793         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
12794         Rename rules; delete commands; fix dependencies.
12795         (mostlyclean): Do not delete temporary source copies.
12796         * configure.ac: Delete all references to BUILD_PREFIX and
12797         BUILD_PREFIX_1.
12798         * configure: Regenerate.
12799
12800         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
12801         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
12802         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
12803         with #ifndef GENERATOR_FILE so that nothing from those headers
12804         is used.
12805
12806         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
12807
12808 2004-08-16  Adam Nemet  <anemet@lnxw.com>
12809
12810         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
12811
12812 2004-08-16  Andrew Pinski  <apinski@apple.com>
12813
12814         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
12815         extraneous semicolon.
12816
12817 2004-08-16  Devang Patel  <dpatel@apple.com>
12818
12819         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
12820         * print-tree.c (print_node): Print DECL_PRESERVE_P.
12821         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
12822         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
12823         * target.h (struct gcc_target): New member, mark_decl_preserved.
12824         * hooks.c (hook_void_charptr): Rename to ...
12825         (hook_void_constcharptr): ... new name.
12826         * hooks.h (hook_void_charptr): Rename to ..
12827         (hook_void_constcharptr): ... new name.
12828         * tree.h (DECL_PRESERVE_P): New #define.
12829         (struct tree_decl): New member, preserve_flag.
12830         * varasm.c (assemble_start_function): Mark decl preserved.
12831         (assemble_variable): Same.
12832         * darwin.c (darwin_mark_decl_preserved): New function.
12833         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
12834         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
12835         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
12836
12837 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
12838
12839         * c-decl.c (grokdeclarator): Allow for function definition where
12840         innermost declarator has attributes.
12841
12842 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
12843
12844         * except.c (get_exception_filter, build_post_landing_pads,
12845         dw2_build_landing_pads): Use target-specific mode for 'filter'.
12846         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
12847         * target.h (eh_return_filter_mode): New field added.
12848         * targhooks.c (default_eh_return_filter_mode): Defined.
12849         * targhooks.h (default_eh_return_filter_mode): Declared.
12850         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
12851
12852 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
12853
12854         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
12855         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
12856         * configure: Regenerate.
12857
12858 2004-08-16  Stan Shebs  <shebs@apple.com>
12859
12860         Basic support for 64-bit Darwin.
12861         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
12862         (machopic_legitimize_pic_address): Similarly, plus use Pmode
12863         instead of SImode.
12864         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
12865         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
12866         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
12867         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
12868         (PROCESSOR_DEFAULT64): Define.
12869         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
12870         Darwin.
12871         * config/rs6000/rs6000.md: Include darwin.md.
12872         (builtin_setjmp_receiver): Add DImode case.
12873         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
12874         Darwin.
12875         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
12876         (rs6000_emit_move): Add DImode case to Darwin bits.
12877         (machopic_output_stub): Use .quad if 64-bit.
12878         * invoke.texi: Document -m32 and -m64.
12879
12880 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
12881
12882         * doc/extend.texi (AltiVec builtins): Document additional differences
12883         from the Motorola AltiVec PIM.
12884
12885 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
12886
12887         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
12888         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
12889         (struct tree_common): Update public_flag documentation.
12890
12891 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
12892
12893         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
12894         Check for artificial variables, not is_gimple_tmp_var.
12895         * tree-ssa-live.c (var_union): Likewise.
12896
12897 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
12898
12899         * calls.c (load_register_parameters): Remove spurious FIXME token.
12900
12901 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
12902
12903         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
12904         (c-lang.o): Depend on c-objc-common.h.
12905         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
12906         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
12907         * c-lang.c: Include c-objc-common.h.
12908         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
12909         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
12910         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
12911         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
12912         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
12913         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
12914         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
12915         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
12916         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
12917         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
12918         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
12919         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
12920         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
12921         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
12922         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
12923         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
12924         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
12925         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
12926         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
12927         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
12928         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
12929         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
12930         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
12931         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
12932         Move to c-objc-common.h.
12933         * c-objc-common.c: Include c-objc-common.h.
12934         * c-objc-common.h: New file.
12935
12936 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
12937             Andrew Pinski  <pinskia@physics.uc.edu>
12938
12939         PR target/14931
12940         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
12941         style.
12942
12943 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
12944
12945         * tree.h (build_int_cst): New.
12946         (build_int_2): Remove.
12947         * tree.c (build_int_2): Remove.
12948         (build_int_cst): New.
12949         (make_vector_type, build_common_tree_nodes,
12950         build_common_tree_nodes_2): Use build_int_cst.
12951         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
12952         expand_builtin_strpbrk, expand_builtin_fputs,
12953         build_string_literal, expand_builtin_printf,
12954         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
12955         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
12956         fold_builtin_isdigit, simplify_builtin_strstr,
12957         simplify_builtin_strpbrk, fold_builtin_fputs,
12958         simplify_builtin_sprintf): Use build_int_cst.
12959         * c-common.c (start_fname_decls, fix_string_type,
12960         c_common_nodes_and_builtins, c_init_attributes,
12961         shorten_compare): Likewise.
12962         * c-decl.c (complete_array_type,
12963         check_bitfield_type_and_width): Likewise.
12964         * c-lex.c (interpret_integer, lex_charconst): Likewise.
12965         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
12966         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12967         * c-typeck.c (really_start_incremental_init, push_init_level,
12968         set_nonincremental_init_from_string): Likewise.
12969         * calls.c (load_register_parameters): Likewise.
12970         * convert.c (convert_to_pointer): Likewise.
12971         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
12972         build_fn_info_type, build_ctr_info_value, build_gcov_info):
12973         Likewise.
12974         * except.c (init_eh, assign_filter_values, assign_filter_values):
12975         Likewise.
12976         * expmed.c (store_fixed_bit_field, extract_bit_field,
12977         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
12978         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
12979         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
12980         * expr.c (convert_move, emit_group_load, emit_group_store,
12981         expand_assignment, store_constructor, store_field,
12982         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
12983         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
12984         invert_truthvalue, optimize_bit_field_compare,
12985         decode_field_reference, all_ones_mask_p, constant_boolean_node,
12986         fold_div_compare, fold, fold_read_from_constant_string,
12987         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
12988         * function.c (assign_parm_setup_block): Likewise.
12989         * stmt.c (shift_return_value, expand_end_case_type,
12990         estimate_case_costs): Likewise.
12991         * stor-layout.c (layout_type, initialize_sizetypes,
12992         set_min_and_max_values_for_integral_type): Likewise.
12993         * tree-chrec.c (chrec_fold_multiply_poly_poly,
12994         reset_evolution_in_loop): Likewise.
12995         * tree-chrec.h (build_polynomial_chrec): Likewise.
12996         * tree-complex.c (build_replicated_const): Likewise.
12997         * tree-eh.c (honor_protect_cleanup_actions,
12998         lower_try_finally_onedest, lower_try_finally_copy,
12999         lower_try_finally_switch): Likewise.
13000         * tree-mudflap.c (mf_build_string, mx_register_decls,
13001         mudflap_register_call, mudflap_enqueue_constant): Likewise.
13002         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
13003         * tree-pretty-print.c (dump_generic_node): Likewise.
13004         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
13005         Likewise.
13006         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
13007         * tree-ssa-loop-niter.c (number_of_iterations_cond,
13008         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
13009         Likewise.
13010
13011         * config/alpha/alpha.c (alpha_initialize_trampoline,
13012         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
13013         * config/arm/arm.c (arm_get_cookie_size): Likewise.
13014         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
13015         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
13016         * config/i860/i860.c (i860_va_start): Likewise.
13017         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
13018         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
13019         mips_gimplify_va_arg_expr): Likewise.
13020         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
13021         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
13022         add_compiler_branch_island): Likewise.
13023         * config/s390/s390.c (s390_va_start): Likewise.
13024         * config/sh/sh.c (sh_va_start): Likewise.
13025         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
13026         Likewise.
13027         * config/xtensa/xtensa.c (xtensa_va_start,
13028         xtensa_gimplify_va_arg_expr): Likewise.
13029
13030         * objc/objc-act.c (build_objc_string_object,
13031         build_objc_symtab_template, init_def_list, init_objc_symtab,
13032         init_module_descriptor, generate_static_references,
13033         build_selector_translation_table, get_proto_encoding,
13034         build_typed_selector_reference, build_selector_reference,
13035         build_next_objc_exception_stuff,
13036         build_method_prototype_list_template, generate_descriptor_table,
13037         generate_protocols, build_protocol_initializer,
13038         build_ivar_list_template, build_method_list_template,
13039         build_ivar_list_initializer, generate_ivars_list,
13040         generate_dispatch_table, generate_protocol_list,
13041         build_category_initializer, build_shared_structure_initializer,
13042         generate_shared_structures, handle_impent,
13043         generate_objc_image_info): Use build_int_cst.
13044
13045 2004-08-15  Ben Elliston  <bje@au.ibm.com>
13046
13047         * vec.h: Comment improvements.
13048
13049 2004-08-14  Roger Sayle  <roger@eyesopen.com>
13050
13051         * c-common.c (shorten_compare, pointer_int_sum,
13052         c_common_truthvalue_conversion, boolean_increment): Replace calls
13053         to build with calls to buildN.
13054         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
13055         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
13056         gimplify_switch_stmt): Likewise.
13057         * c-typeck.c (default_function_array_conversion,
13058         build_component_ref, build_array_ref, build_function_call,
13059         pointer_diff, build_unary_op, build_conditional_expr,
13060         build_compound_expr, build_modify_expr, c_finish_goto_label,
13061         c_finish_goto_ptr, c_finish_return, c_finish_loop,
13062         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
13063         build_binary_op): Likewise.
13064
13065 2004-08-15  Steven Bosscher  <stevenb@suse.de>
13066
13067         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
13068
13069 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13070
13071         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
13072         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
13073         * fixinc/fixincl.x: Rebuilt.
13074
13075 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
13076
13077         * config/mips/mips-protos.h (mips_symbolic_constant_p)
13078         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
13079         (mips_small_data_pattern_p): Declare.
13080         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
13081         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
13082         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
13083         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
13084         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
13085         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
13086         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
13087         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
13088         (pc_or_label_operand, call_insn_operand, move_operand)
13089         (consttable_operand, symbolic_operand, general_symbolic_operand)
13090         (global_got_operand, local_got_operand, stack_operand)
13091         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
13092         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
13093         (mips_small_data_pattern_p): Replace previous small_data_pattern
13094         predicate.  Turn into a bool () (rtx) function.
13095         * config/mips/predicates.md: New file.
13096         * config/mips/mips.md: Include it.  Use the target-independent
13097         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
13098         trap_comparison_operator and equality_op to equality_operator.
13099         Replace uses of small_int with the equivalent const_arith_operand.
13100         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
13101         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
13102         to fcc_reload_operand.
13103         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
13104
13105 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13106
13107         PR libstdc++/17005 partial fix.
13108         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
13109         except when generating ANSI/C89 code.
13110
13111 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
13112
13113         * c-common.c (shorten_compare): Use force_fit_type directly.
13114
13115 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
13116             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
13117             Dave Korn  <dk@artimi.com>
13118
13119         * doc/install.texi (Building): Avoid duplicate reference to GNU
13120         make requirement.
13121         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
13122
13123 2004-08-14  Richard Henderson  <rth@redhat.com>
13124
13125         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
13126         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
13127
13128 2004-08-13  Richard Henderson  <rth@redhat.com>
13129
13130         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
13131         for constant_call_address_operand.
13132         (call_value_pop_1, call_value_1): Likewise.
13133         (sibcall_value_1, call_value_1_rex64): Likewise.
13134
13135 2004-08-13  James E Wilson  <wilson@specifixinc.com>
13136
13137         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
13138         Correct mode from SFmode to DFmode.
13139
13140 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
13141
13142         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
13143         __cstring_object and __image_info sections with the no_dead_strip
13144         attribute.
13145
13146 2004-08-13  Roger Sayle  <roger@eyesopen.com>
13147             David Billinghurst  <David.Billinghurst@riotinto.com>
13148
13149         PR libgfortran/15930
13150         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
13151         * fixinc/fixincl.x: Regenerate.
13152         * fixinc/tests/base/internal/math_core.h: New file.
13153
13154 2004-08-13  Richard Henderson  <rth@redhat.com>
13155
13156         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
13157         (dbxout_function_end): Remove ifdefs for it.
13158         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
13159
13160 2004-08-13  Richard Henderson  <rth@redhat.com>
13161
13162         * Makefile.in (insn-preds.o): Depend on TREE_H.
13163         * genpreds.c (write_insn_preds_c): Include tree.h.
13164         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
13165         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
13166         const48_operand, and_operand, or_operand, mode_width_operand,
13167         mode_mask_operand, mul8_operand, const0_operand,
13168         hard_fp_register_operand, hard_int_register_operand,
13169         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
13170         samegp_function_operand, direct_call_operand, small_symbolic_operand,
13171         global_symbolic_operand, call_operand, symbolic_operand,
13172         dtp16_symbolic_operand, dtp32_symbolic_operand,
13173         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
13174         gottp_symbolic_operand, alpha_comparison_operator,
13175         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
13176         signed_comparison_operator, alpha_fp_comparison_operator,
13177         divmod_operator, fix_operator, aligned_memory_operand,
13178         unaligned_memory_operand, reg_or_unaligned_mem_operand,
13179         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
13180         reg_no_subreg_operand, addition_operation): Move to predicates.md.
13181         (reg_or_const_int_operand): Remove.  Replace all users with
13182         reg_or_cint_operand.
13183         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
13184         (resolve_reload_operand): Split out of aligned_memory_operand.
13185         * config/alpha/alpha-protos.h: Update for exports.
13186         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
13187         * config/alpha/alpha.md: Include predicates.md.
13188         * config/alpha/predicates.md: New file.
13189
13190 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
13191
13192         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
13193         fields with a pointer to the instruction definition.
13194         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
13195         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
13196         (write_attr_case, write_const_num_delay_slots): Update accordingly.
13197         (write_attr_case, write_const_num_delay_slots): Write the name of
13198         an insn next to its case statement.
13199         * genoutput.c (data): Add a filename field.
13200         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
13201         (output_insn_data): Print the location of each insn definition.
13202         * genrecog.c (write_action): Print the name of an insn above
13203         the statement that returns its code.
13204
13205 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
13206
13207         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
13208         * config/libgloss.h: Likewise.
13209         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
13210         * c4x/c4x-modes.def: Likewise.
13211         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
13212         (c4x_rptb_nop_p): Likewise.
13213         (c4x_rptb_valid_p): Likewise.
13214         (c4x_rptb_insert): Likewise.
13215         (c4x_address_conflict): Likewise.
13216         * config/c4x/c4x.md: Likewise.
13217         * config/frv/frv.md: Likewise.
13218         * config/i386/athlon.md: Likewise.
13219         * config/i386/i386.md: Likewise.
13220         * config/i386/predicates.md: Likewise.
13221         * config/ia64/ia64.c: Likewise.
13222         * config/ia64/itanium1.md: Likewise.
13223         * config/ia64/itanium2.md: Likewise.
13224         * config/iq2000/iq2000.md: Likewise.
13225         * config/mcore/mcore.c: Likewise.
13226         * config/mips/mips.c: Likewise.
13227         * config/mips/r3900.h: Likewise.
13228         * config/mips/sb1.md: Likewise.
13229         * config/pa/milli64.S: Likewise.
13230         * config/pa/pa.c: Likewise.
13231         * config/pa/pa.h: Likewise.
13232         * config/rs6000/8540.md: Likewise.
13233
13234 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
13235
13236         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
13237
13238 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
13239
13240         * sh.md (cbranch define_delay) Use cond_delay_slot for
13241         non-anulled condition too.
13242
13243 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
13244
13245         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
13246         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
13247         any_parallel_operand, lmw_operation, stmw_operation,
13248         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
13249         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
13250         any_parallel_operand.
13251         (return_and_restore_fpregs_{si,di}): Same.
13252
13253 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
13254
13255         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
13256         if pred->singleton != PARALLEL, issue a warning and pretend it was.
13257         Also issue a warning for any predicate we don't know about.
13258
13259 2004-08-12  Richard Henderson  <rth@redhat.com>
13260
13261         * config/i386/i386.c (internal_label_prefix): Export.
13262         (internal_label_prefix_len, struct ix86_address,
13263         ix86_decompose_address, maybe_get_pool_constant,
13264         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
13265         memory_address_length): Export.
13266         (any_fp_register_operand, fp_register_operand,
13267         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
13268         x86_64_general_operand, x86_64_szext_general_operand,
13269         x86_64_nonmemory_operand, x86_64_movabs_operand,
13270         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
13271         x86_64_zext_immediate_operand, const_int_1_31_operand,
13272         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
13273         tls_symbolic_operand, global_dynamic_symbolic_operand,
13274         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
13275         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
13276         constant_call_address_operand, const0_operand, const1_operand,
13277         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
13278         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
13279         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
13280         general_no_elim_operand, nonmemory_no_elim_operand,
13281         index_register_operand, q_regs_operand, flags_reg_operand,
13282         non_q_regs_operand, zero_extended_scalar_load_operand,
13283         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
13284         ix86_comparison_operator, ix86_carry_flag_operator,
13285         fcmov_comparison_operator, promotable_binary_operator,
13286         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
13287         mult_operator, div_operator, arith_or_logical_operator,
13288         memory_displacement_operand, cmpsi_operand, long_memory_operand,
13289         aligned_operand): Move to predicates.md as define_predicates.
13290         (tls_symbolic_operand_1): Remove.
13291         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
13292         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
13293         (legitimize_address): Merge tls_symbolic_operand contents.
13294         (ix86_expand_move): Likewise.
13295         * config/i386/i386-protos.h: Update for exports.
13296         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
13297         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
13298         * config/i386/i386.md: Include predicates.md.
13299         * config/i386/predicates.md: New file.
13300
13301 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
13302
13303         PR c++/16924
13304         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
13305         SYMBOL_REF_DECL.
13306         (i386_pe_mark_dllimport): Likewise.
13307         (i386_pe_encode_section_info): Likewise, when overriding
13308         dllimport attribute.
13309
13310 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
13311
13312         * configure.ac: When testing for flex, nm, ar, and bison, check
13313         that they will actually be built.
13314         * configure: Regenerate.
13315
13316 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
13317
13318         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
13319         (MOVE_MAX_PIECES): Define.
13320
13321 2004-08-12  Devang patel  <dpatel@apple.com>
13322
13323         * dbxout.c (dbxout_begin_prologue): New function.
13324         (dbx_debug_hooks): Use new begin prologue hook.
13325         (dbxout_function_end): Emit N_ENSYM.
13326         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
13327
13328 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
13329
13330         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
13331         argument is float*.
13332
13333         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
13334         for vec_dss.
13335
13336         * doc/extend.texi (AltiVec builtins): Fix description for recent
13337         changes.  Update operation list to match current support.
13338
13339 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
13340
13341         * config/s390/s390.c (struct s390_frame_layout): New struct as element
13342         of struct machine_function.
13343         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
13344         changed all uses.
13345         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
13346         changed all uses.
13347         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
13348         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
13349         (s390_frame_area, s390_register_info): New functions.
13350         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
13351         for base register.
13352         (s390_return_addr_rtx, s390_return_address_offset)
13353         (s390_va_start, s390_gimplify_va_arg)
13354         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
13355         layouts.
13356         (s390_frame_info): Functionality partly moved to s390_register_info.
13357         Made adaptions for new stack layout.
13358         (save_gprs, restore_gprs): Changed meaning of second parameter and
13359         adapted all callers.
13360
13361         * config/s390/s390.h (s390_backchain_string): New global variable.
13362         (MASK_BACKCHAIN): Removed definition.
13363         (TARGET_BACKCHAIN): Changed check.
13364         (TARGET_KERNEL_BACKCHAIN): New macro.
13365         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
13366         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
13367         "kernel-backchain".
13368         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
13369
13370         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
13371         as condition.  Adjusted for new stack layout.
13372
13373         * doc/invoke.texi: Added documentation for new option
13374         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
13375         "-mno-backchain".
13376
13377 2004-08-12  Paul Brook  <paul@codesourcery.com>
13378
13379         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
13380         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
13381
13382 2004-08-12  David Daney  <ddaney@avtrex.com>
13383
13384         * java/gcj.texi:  Add subsection on signal usage.
13385
13386 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
13387
13388         * expr.c (move_by_pieces): Set alignment for move to minimum of
13389         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
13390         alignment, but not less than the original alignment.
13391         (move_by_pieces_ninsns): Same.
13392         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
13393         (store_by_pieces_1): Same.
13394
13395 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
13396
13397         PR tree-optimization/16867
13398         * tree.c (is_global_var): New function.
13399         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
13400         Call is_global_var.
13401         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
13402         Update all users.
13403         (is_global_var): Declare.
13404         * tree-dfa.c (dump_variable): Display global and addressable
13405         attributes.
13406         (add_referenced_var): Clarify documentation when marking
13407         variables call-clobbered.
13408         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
13409         instead of needs_to_live_in_memory.
13410         (mark_call_clobbered): If the variable is a tag, mark it
13411         DECL_EXTERNAL.
13412         * tree-gimple.c (is_gimple_reg): Don't check for
13413         TREE_ADDRESSABLE.
13414         (is_gimple_non_addressable): Likewise.
13415         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
13416         needs to be marked call-clobbered.
13417         (setup_pointers_and_addressables): Call is_global_var instead
13418         of needs_to_live_in_memory.
13419         * tree-ssa-dce.c (need_to_preserve_store): Remove.
13420         Update all users with is_global_var.
13421         (mark_stmt_if_obviously_necessary): Fix processing of aliased
13422         stores.  Don't check the virtual definitions.  Rather, check
13423         whether the store is going into global memory.
13424         (find_obviously_necessary_stmts): Get the symbol from the PHI
13425         result.
13426         * tree-ssa-operands.c (get_call_expr_operands): Do not add
13427         clobbering may-defs if the call does not have side effects.
13428
13429 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
13430
13431         PR c++/16276
13432         * output.h (default_function_rodata_section,
13433         default_no_function_rodata_section): New prototypes.
13434         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
13435         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
13436         (TARGET_ASM_OUT): Add it.
13437         * varasm.c (default_function_rodata_section,
13438         default_no_function_rodata_section): New functions.
13439         * final.c (final_scan_insn): Call
13440         targetm.asm_out.function_rodata_section instead of
13441         readonly_data_section.
13442         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
13443         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
13444         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
13445         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
13446         Likewise.
13447         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
13448         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
13449         Likewise.
13450         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
13451         Likewise.
13452         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
13453         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
13454         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
13455
13456 2004-08-12  Paul Brook  <paul@codesourcery.com>
13457
13458         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
13459         frame info.
13460         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
13461         DWARF2_UNWIND_INFO.
13462
13463 2004-08-12  Ben Elliston  <bje@au.ibm.com>
13464
13465         PR target/16286
13466         * config/rs6000/altivec.h: Change vector to __vector throughout.
13467         (Except for the `vector' macro itself).
13468
13469 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
13470
13471         * genpreds.c: Add capability to generate predicate bodies as
13472         well as function prototypes.  Write function prototypes for
13473         the generic predicates too.
13474         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
13475         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
13476         (write_match_code, write_predicate_expr, write_one_predicate_function)
13477         (parse_option): New functions.
13478         (output_predicate_decls): Delete.
13479         (main): Read the machine description, process DEFINE_PREDICATE or
13480         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
13481         as appropriate.
13482
13483         * genrecog.c (struct decision_test): Replace index with
13484         struct pred_data pointer.
13485         (next_index): Remove, unused.
13486         (pred_table, preds, special_mode_pred_table): Delete.
13487         (compute_predicate_codes, process_define_predicate): New functions.
13488         (validate_pattern, add_to_sequence, write_switch): Update for
13489         new data structures.
13490         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
13491         Check both error_count and have_error.
13492
13493         * gensupport.c (in_fname, first_predicate): New globals.
13494         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
13495         (predicate_table, last_predicate, old_pred_table)
13496         (old_special_pred_table): New statics.
13497         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
13498         (add_predicate, init_predicate_table): New functions.
13499         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
13500         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
13501         it or max_include_len.  Call init_predicate_table.
13502         (read_rtx): Run the predicate queue after the attribute queue
13503         but before all the others.
13504         * gensupport.h (in_fname, struct pred_data, first_predicate)
13505         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
13506         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
13507         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
13508         * dummy-conditions.c: Don't include bconfig.h, system.h,
13509         coretypes.h, tm.h, or system.h.  Do include stddef.h.
13510         Duplicate declaration of struct c_test from gensupport.h.
13511
13512         * Makefile.in (OBJS-common): Add insn-preds.o.
13513         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
13514         (insn-preds.c, insn-preds.o): New rules.
13515         (s-preds): Also generate insn-preds.c.
13516         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
13517         Update dependencies.
13518         (print-rtl.o, print-rtl1.o): Correct dependencies.
13519
13520         * recog.h: Delete prototypes of predicate functions.
13521
13522         * doc/md.texi (Predicates): New section with complete
13523         documentation of operand/operator predicates.  Remove some
13524         incomplete documentation of predicates from other places.
13525         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
13526         PREDICATE_CODES; indicate that both are deprecated in favor
13527         of define_predicate/define_special_predicate.
13528
13529         * config/ia64/ia64.c: All predicate function definitions moved
13530         to ia64.md, except
13531         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
13532         (ia64_expand_load_address, ia64_expand_move):
13533         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
13534
13535         * config/ia64/ia64.md: All predicates now defined here.
13536         (symbolic_operand): Is now a special predicate.
13537
13538         * config/ia64/ia64.h: Declare ia64_section_threshold.
13539         (PREDICATE_CODES): Delete.
13540
13541 2004-08-12  Richard Henderson  <rth@redhat.com>
13542
13543         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
13544         * c-semantics.c (add_stmt): Set it.
13545         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
13546         before instantiating a variable sized type.
13547
13548 2004-08-12  Richard Henderson  <rth@redhat.com>
13549
13550         * stor-layout.c (round_up, round_down): Move ...
13551         * fold-const.c (round_up, round_down): ... here.  Use
13552         multiple_of_p to avoid any arithmetic at all.
13553
13554 2004-08-12  Richard Henderson  <rth@redhat.com>
13555
13556         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
13557         (gimplify_init_ctor_preeval_1): New.
13558         (gimplify_init_ctor_preeval): New.
13559         (gimplify_init_ctor_eval): New.
13560         (gimplify_init_constructor): Use them.  Always gimplify the LHS
13561         object first.
13562
13563 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
13564
13565         (This patch is part of merge of objc-improvements-branch
13566         into mainline.)
13567
13568         * doc/frontends.texi: Mention Objective-C++ in addition to
13569         Objective-C.
13570         * doc/install.texi: Add 'obj-c++' to list of configurable
13571         languages.
13572         * doc/invoke.texi: Rename Objective-C option headings to
13573         indicate they also apply to Objective-C++.  List file
13574         extensions for Objective-C++ sources.  Mention that
13575         ObjC and ObjC++ compilations may also use C and C++ options,
13576         respectively.  Point users to doc/standards.texi for
13577         further info on ObjC and ObjC++.
13578         * doc/sourcebuild.texi: Mention the objcp/ directory and
13579         the Objective-C++ sources it contains.
13580         * doc/standards.texi: Update link to Apple ObjC site;
13581         add link to gcc readings.html WWW doc.
13582
13583 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
13584
13585         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
13586         and 2004-07-14 changes.
13587
13588 2004-08-12  Paul Brook  <paul@codesourcery.com>
13589
13590         * doc/invoke.texi: Fix typo.
13591
13592 2004-08-11 Devang Patel  <dpatel@apple.com>
13593
13594         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
13595         and -no_dead_strip_inits_and_terms.
13596         (LINK_SPEC): Same.
13597         * doc/invoke.texi (Darwin Options): Document -dead_strip and
13598         -no_dead_strip_inits_and_terms.
13599
13600 2004-08-11  Paul Brook  <paul@codesourcery.com>
13601
13602         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
13603         (arm_load_pic_register): ... to this.
13604         * config/arm/arm.c (arm_finalize_pic): Rename ...
13605         (arm_load_pic_register): ... to this.  Always output insns at the
13606         current location.  Load via low reg in thumb mode.
13607         (arm_expand_prologue): Call arm_load_pic_register.
13608         (thumb_expand_prologue): Ditto.
13609         * config/arm/arm.h (FINALIZE_PIC): Remove.
13610         * config/arm/arm.md (builtin_setjmp_receiver): Call
13611         arm_load_pic_register.
13612
13613 2004-08-11  Paul Brook  <paul@codesourcery.com>
13614
13615         * arm.c (thumb_force_lr_save): Add prototype.
13616         (thumb_compute_save_reg_mask): New function.
13617         (thumb_find_work_register): New function.
13618         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
13619         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
13620         Don't clobber r3 when removing pretend args.
13621         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
13622         (thumb_output_function_prologue): Use new functions.
13623         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
13624         * arm.h (THUMB_REG_PUSHED_P): Remove.
13625
13626 2004-08-11  James E Wilson  <wilson@specifixinc.com>
13627
13628         PR rtl-optimization/16490
13629         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
13630         global_live_at_end for new basic block if already set for other blocks.
13631
13632 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
13633
13634         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
13635
13636         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
13637         (mfcr rlwinm rlwinm patterns): Set length to 12.
13638
13639 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
13640
13641         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
13642         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
13643         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
13644         (start_ssa_stmt_operands): Delete.
13645         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
13646         struct stmt_operands_d.
13647         (build_ssa_operands): New extern entry point.
13648         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
13649         building code, replace with create_ssa_artficial_load_stmt().
13650         * tree-ssa-operands.c (struct voperands_d): Delete.
13651         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
13652         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
13653         (free_uses, free_defs, free_vuses, free_v_may_defs,
13654         free_v_must_defs): Remove dealloc parameter.
13655         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
13656         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
13657         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
13658         vector comparisons, ssa_name reuse, and allocations here.
13659         (verify_start_operands): Delete.
13660         (finalize_ssa_stmt_operands): Set new operands by calling finalize
13661         routines.
13662         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
13663         (append_def, append_usei): Simplify to simple accumulation.
13664         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
13665         duplicates and simple accumulation.
13666         (free_ssa_operands): Free vectors in a stmt_operand structure.
13667         (build_ssa_operands): New. Create a new stmt_operand structure from
13668         a stmt and an old set of stmt_operands.
13669         (get_stmt_operands): Simplify and call build_ssa_operands.
13670         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
13671         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
13672         add_call_read_ops): Don't pass prev_vops around anymore.
13673         (note_addressable): Return if no stmt annotation.
13674         (copy_virtual_operands): Access v_may_def operands through a struct.
13675         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
13676         hash tables without treating the stmt as a real stmt.
13677         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
13678         v_may_def def and use through a struct instead of 2 array elements.
13679         (struct v_may_def_optype_d): Use v_may_def_operand_type.
13680         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
13681
13682 2004-08-11  Nick Clifton  <nickc@redhat.com>
13683
13684         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
13685         this funciton's behaviour.  Return true when the current function
13686         has a section attribute and -mlong-calls is in effect.
13687         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
13688         short-call marker when -mlong-calls is in effect and the function
13689         has a section attribute.
13690
13691 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
13692
13693         * stmt.c (expand_return): If asked to return the RESULT_DECL,
13694         just call expand_value_return on result_rtl.
13695
13696 2004-08-10  Richard Henderson  <rth@redhat.com>
13697
13698         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
13699         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
13700         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
13701         (add_location_or_const_value_attribute): ... not here.  Use
13702         loc_descriptor_from_tree if possible.
13703         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
13704         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
13705         values specially.
13706         (loc_descriptor_from_tree): New.  Update callers.
13707         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
13708         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
13709         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
13710         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
13711         and BUILT_IN_STACK_RESTORE.
13712         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
13713         * stmt.c (expand_stack_alloc): Remove.
13714         * tree-mudflap.c (mx_register_decls): Don't look for
13715         BUILT_IN_STACK_ALLOC.
13716         * tree-nested.c (convert_local_reference): Likewise.
13717         * tree.h (DECL_VALUE_EXPR): New.
13718
13719 2004-08-10  Richard Henderson  <rth@redhat.com>
13720
13721         * stor-layout.c (round_up): Check for 0/1 before dividing.
13722         (round_down): Likewise.
13723
13724         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
13725
13726 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
13727
13728         * config.gcc (arm*-*-eabi*): New target.
13729         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
13730         (TARGET_LIB_INT_CMP_BIASED): Likewise.
13731         * expmed.c (expand_divmod): Try a two-valued divmod function as a
13732         last resort.
13733         * gthr.h: Remove bogus tokens at end of #pragma.
13734         * optabs.c (expand_twoval_binop_libfunc): New function.
13735         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
13736         (prepare_float_lib_cmp): Try reversing the condition.
13737         (debug_optab_libfuncs): New function.
13738         * optabs.h (expand_twoval_binop_libfunc): Declare.
13739         * config/arm/arm.c (arm_init_libfuncs): New function.
13740         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
13741         (TARGET_INIT_LIBFUNCS): Define it.
13742         * config/arm/arm.h (TARGET_BPABI): New macro.
13743         * config/arm/arm-protos.h
13744         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
13745         * config/arm/bpabi.S: New file.
13746         * config/arm/bpabi.c: Likewise.
13747         * config/arm/bpabi.h: Likewise.
13748         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
13749         (__aeabi_drsub): Likewise.
13750         (__aeabi_dsub): Likewise.
13751         (__aeabi_dadd): Likewise.
13752         (__aeabi_ui2d): Likewise.
13753         (__aeabi_i2d): Likewise.
13754         (__aeabi_f2d): Likewise.
13755         (__aeabi_dmul): Likewise.
13756         (__aeabi_ddiv): Likewise.
13757         (__aeabi_cdrcmple): Likewise.
13758         (__aeabi_cdcmpeq): Likewise.
13759         (__aeabi_cdcmple): Likewise.
13760         (__aeabi_dcmpeq): Likewise.
13761         (__aeabi_dcmplt): Likewise.
13762         (__aeabi_dcmple): Likewise.
13763         (__aeabi_dcmpge): Likewise.
13764         (__aeabi_dcmpgt): Likewise.
13765         (__aeabi_dcmpun): Likewise.
13766         (__aeabi_d2iz): Likewise.
13767         (__aeabi_d2uiz): Likewise.
13768         (__aeabi_d2f): Likewise.
13769         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
13770         (__aeabi_frsub): Likewise.
13771         (__aeabi_fsub): Likewise.
13772         (__aeabi_fadd): Likewise.
13773         (__aeabi_ui2f): Likewise.
13774         (__aeabi_i2f): Likewise.
13775         (__aeabi_fmul): Likewise.
13776         (__aeabi_fdiv): Likewise.
13777         (__aeabi_cfrcmple): Likewise.
13778         (__aeabi_cfcmpeq): Likewise.
13779         (__aeabi_cfcmple): Likewise.
13780         (__aeabi_fcmpeq): Likewise.
13781         (__aeabi_fcmplt): Likewise.
13782         (__aeabi_fcmple): Likewise.
13783         (__aeabi_fcmpge): Likewise.
13784         (__aeabi_fcmpgt): Likewise.
13785         (__aeabi_fcmpun): Likewise.
13786         (__aeabi_f2iz): Likewise.
13787         (__aeabi_f2uiz): Likewise.
13788         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
13789         (__aeabi_uidivmod): New function or alias.
13790         (__aeabi_idivmod): Likewise.
13791         (__aeabi_idiv0): Likewise.
13792         (__aeabi_ldiv0): Likewise.
13793         (__aeabi_llsr): Likewise.
13794         (__aeabi_lasr): Likewise.
13795         (__aeabi_llsl): Likewise.
13796         (bpabi.S): Include it.
13797         * config/arm/libgcc-bpabi.ver: New file.
13798         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
13799         (LINK_SPEC): Remove.
13800         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
13801         __aeabi_ulcmp.
13802         * config/arm/t-bpabi: New file.
13803         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
13804         (TARGET_LIB_INT_CMP_BIASED): Likewise.
13805
13806 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
13807
13808         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
13809         * config/rs6000/rs6000.md (clrmemsi): New pattern.
13810         * config/rs6000/rs6000.c (expand_block_clear): New function.
13811         (expand_block_move): Convert alignment to bits.  Use SImode and
13812         HImode for unaligned addresses if not STRICT_ALIGNMENT.
13813
13814 2004-08-10  Caroline Tice  <ctice@apple.com>
13815
13816         * varasm.c (unlikely_section_label): New global variable.
13817         (unlikely_text_section_name): New global variable.
13818         (text_section):  Remove alignment statement.
13819         (unlikely_text_section): Remove alignment statement; use
13820         unlikely_section_label rather than hard-coded string.
13821         (assemble_start_function): Initialize unlikely_section_label and
13822         unlikely_text_section_name;  make sure cold section is properly
13823         aligned at start of function; output unlikely_section_label if
13824         appropriate.
13825
13826 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
13827
13828         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
13829         * config/s390/s390.c (s390_canonicalize_comparison): New function.
13830         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
13831         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
13832         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
13833         ("*tmqi_mem"): Remove SUBREG from pattern.
13834         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
13835         ("*andsi3_cconly"): Likewise.
13836
13837 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
13838
13839         PR target/16909
13840         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
13841
13842 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
13843
13844         * doc/sourcebuild.texi (compat testing): Document available test
13845         framework commands.  Use the preferred spelling of DejaGnu.
13846
13847 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
13848
13849         * lambda.h: Add matrix type, and prototypes for remainder of
13850         matrix and vector functions.
13851         (lambda_vector_mult_const): New function.
13852         (lambda_vector_negate): Ditto.
13853         (lambda_vector_add): Ditto.
13854         (lambda_vector_add_mc): Ditto.
13855         (lambda_vector_copy): Ditto.
13856         (lambda_vector_zerop): Ditto.
13857         (lambda_vector_equal): Ditto.
13858         (lambda_vector_min_nz): Ditto.
13859         (lambda_vector_first_nz): Ditto.
13860         (lambda_vector_matrix_mult): Ditto.
13861         * lambda-mat.c: New file.
13862         * Makefile.in (lambda-mat.o): New.
13863
13864 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
13865
13866         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
13867         after linking stmt into the program.
13868         (bsi_remove): Don't call modify_stmt.
13869         * tree-complex.c (update_complex_assignment,
13870         expand_complex_comparison): Call modify_stmt after changing the stmt.
13871         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
13872         removing the stmt.
13873         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
13874         the stmt, and only if needed.
13875         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
13876         expression.
13877         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
13878         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
13879         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
13880         (eliminate_redundant_computations): Don't pass an annotation. Call
13881         modify_stmt rather than setting the annotation directly.
13882         (record_equivalences_from_stmt): Remove unused local 'j'.
13883         (cprop_operand): Take a stmt rather than an annotation as a parameter.
13884         Call modify_stmt.
13885         (cprop_into_stmt): Pass stmt rather than annotation.
13886         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
13887         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
13888         modify_stmt.
13889         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
13890
13891 2004-08-10  Jason Merrill  <jason@redhat.com>
13892
13893         PR middle-end/16948
13894         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
13895         the RESULT_DECL.
13896
13897 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
13898
13899         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
13900         hash function.
13901
13902 2004-08-10  Roger Sayle  <roger@eyesopen.com>
13903
13904         * config/mips/mips.md: New reciprocal square root patterns that
13905         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
13906
13907 2004-08-10  Paul Brook  <paul@codesourcery.com>
13908
13909         * config/arm/arm-protos.h (arm_set_return_address,
13910         thumb_set_return_address): Add prototypes.
13911         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
13912         * config/arm/arm.c (arm_compute_func_type,
13913         use_return_insn, arm_compute_save_reg0_reg12_mask,
13914         arm_compute_save_reg_mask, arm_output_function_prologue,
13915         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
13916         current_function_calls_eh_return.
13917         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
13918         old eh code.
13919         (arm_set_return_address, thumb_set_return_address): New functions.
13920         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
13921         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
13922         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
13923         (epilogue): Use the stackadj register.
13924         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
13925
13926 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
13927
13928         PR target/3144
13929         * expr.c (move_by_pieces_ninsns): Add max_size argument.
13930         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
13931         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
13932         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
13933         but using MOVE_RATIO.
13934         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
13935         (can_store_by_pieces): Change max_size type to unsigned int.
13936         (store_by_pieces_1): Likewise.  Pass max_size to
13937         move_by_pieces_ninsns.
13938         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
13939         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
13940         to move_by_pieces_ninsns.
13941         (STORE_BY_PIECES_P): Define.
13942         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
13943         to move_by_pieces_ninsns.
13944         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
13945
13946         * config/i386/i386.h (CLEAR_RATIO): Define.
13947
13948 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13949
13950         * expr.c (expand_expr_real_1): Add back code that was not dead.
13951
13952 2004-08-09  Andrew Pinski  <apinski@apple.com>
13953
13954         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
13955         which is found to be compatible before returning the aliasing set.
13956
13957 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
13958
13959         * ggc-zone.c (struct alloc_zone): Add statistics counters.
13960         (always_collect): New flag.
13961         (ggc_alloc_zone_1): Update statistics support.  Don't include
13962         overhead in allocated counter.
13963         (sweep_pages): Update allocated counter for large pages.  Don'y
13964         include overhead.
13965         (ggc_collect_1): Always collect.
13966         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
13967         whether to collect.
13968         (SCALE, LABEL): New macros.
13969         (ggc_print_statistics): Add statistics support.
13970
13971 2004-08-09  Roger Sayle  <roger@eyesopen.com>
13972
13973         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
13974         (init_expmed): Fix potential overrun problem with "all.reg".
13975         (expand_sdiv2_pow2): Add an alternate implementation for signed
13976         division, if the target provides a suitable conditional move insn.
13977
13978 2004-08-09  Paul Brook  <paul@codesourcery.com>
13979         Richard Henderson  <rth@redhat.com>
13980
13981         * unwind-dw2.c (uw_install_context_1): Update target saved stack
13982         pointer.
13983
13984 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
13985
13986         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
13987         Check DATA limit only if there's no AS limit.  Ignore insanely
13988         low DATA limits.
13989         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
13990         but take care that the AS limit isn't overrun.
13991         * doc/invoke.texi: Update documentation of min-heapsize parameter.
13992
13993 2004-08-09  Jeff Law  <law@redhat.com>
13994
13995         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
13996         (tree-ssa-threadupdate.o): Add dependencies.
13997         * tree-ssa-threadupdate.c: New file.
13998         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
13999         (rewrite_vars_out_of_ssa): Remove prototype.
14000         (cleanup_tree_cfg): Returns a bool.
14001         * tree.h (thread_through_all_blocks): Prototype.
14002         * tree-outof-ssa.c  (SSANORM_*): Move into here.
14003         (remove_ssa_form): Now static.
14004         (rewrite_vars_out_of_ssa): Kill.
14005         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
14006         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
14007         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
14008         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
14009         anything was changed.
14010         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
14011         from the PHI's annotation rather than the edge associated with
14012         the new argument.
14013         * tree-ssa-dom.c (redirection_edges): Kill.
14014         (redirect_edges_and_update_ssa_graph): Kill.
14015         (tree_ssa_dominator_optimize): Do not reset forwardable flag
14016         for blocks anymore.  Do not initialize redirection_edges.
14017         Call thread_through_all_blocks.  Simplify code for cleanup
14018         of the CFG and iterating.  No longer call cleanup_tree_cfg
14019         outside the iteration loop.
14020         (thread_across_edge): No longer mess with forwardable blocks.
14021
14022 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
14023
14024         * explow.c (memory_address): Use memory_address_p.
14025         * recog.c (general_operand): Likewise.
14026         * regrename.c: No need to define REG_OK_STRICT.
14027
14028 2004-08-09  Steven Bosscher  <stevenb@suse.de>
14029
14030         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
14031         New timers.
14032         * gcse.c: Include timevar.h.
14033         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
14034         and global_copy_prop_count.
14035         (local_const_prop_count, local_copy_prop_count): New static globals.
14036         (gcse_main): Set the right timevar for each pass.
14037         (cprop_jump): Increment global_const_prop_count when a constant is
14038         propagated.  Add "GLOBAL" to dump output.
14039         (cprop_insn): Increment global_const_prop_count when a constant is
14040         propagated, or global_copy_prop_count when a copy is propagated.
14041         (do_local_cprop): Likewise for local_const_prop_count and
14042         local_copy_prop_count.
14043         (one_cprop_pass): Initialize const/cprop counters to zero.
14044         Print out results of local and global const/cprop separately.
14045         (bypass_block): Break over-length line.
14046         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
14047         for bb-reorder.o and tracer.o.
14048
14049 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
14050
14051         * Makefile.in (GTFILES): Remove stmt.c
14052         (stmt.o): Do not depend on gt-stmt.h.
14053         * emit-rtl.c (emit_line_note): Do not call
14054         set_file_and_line_for_stmt.
14055         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
14056         do everything.
14057         * function.c (free_after_parsing): Do not free STMT field.
14058         (allocate_struct_function): Do not call init_stmt_for_function.
14059         (assign_stack_temp_for_type): Do not accept values of keep
14060         other than 0 or 1.
14061         (init_temp_slots): Do not initialize removed variables.
14062         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
14063         and X_VAR_TEMP_SLOT_LEVEL fields.
14064         * rtl.h (set_file_and_line_for_stmt): Remove.
14065         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
14066         struct stmt_status, cond_stack, case_stack, nesting_stack,
14067         nesting_depth, emit_locus, set_file_and_line_for_stmt,
14068         same_case_target_p, init_stmt_for_function, emit_nop,
14069         expand_start_cond, expand_start_elseif, expand_start_else,
14070         expand_elseif, expand_end_cond): Remove.
14071         (preserve_subexpressions_p): Remove references to CFUN->STMT.
14072         (expand_start_case, expand_end_case_type): Remove, merge into...
14073         (expand_case): ... this one, including other bits from
14074         expand_expr_real_1.  Inline same_case_target_p.  Turn members
14075         of CASE_STACK into local variables.
14076         (emit_case_bit_tests): Inline same_case_target_p.
14077         (add_case_node): Add HEAD argument, return new head of the list,
14078         do not handle default label here.
14079         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
14080         expand_start_elseif, current_nesting_level, expand_start_case,
14081         expand_end_case_type, expand_end_case, add_case_node,
14082         init_stmt_for_function, expand_elseif): Remove prototypes.
14083         (expand_case): Add prototype.
14084
14085 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
14086
14087         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
14088
14089 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
14090
14091         * expr.c (var_rtx): Remove.
14092         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
14093         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
14094         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
14095         Abort.
14096         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
14097         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
14098         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
14099
14100 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
14101         Ayal Zaks <zaks@il.ibm.com>
14102
14103         * common.opt (freschedule-modulo-scheduled-loops): New flag.
14104         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
14105         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
14106         when -freschedule-modulo-scheduled-loops flag is not specified.
14107         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
14108         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
14109         More accurate placing of insn in row of partial schedule.
14110         (ps_insn_find_column): New function.
14111         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
14112         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
14113         (schedule_region): Use sched_is_disabled_for_current_region_p.
14114         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
14115
14116 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
14117
14118         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
14119         change.
14120
14121 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
14122
14123         * config/i386/i386.c (ix86_expand_clrmem): Properly call
14124         gen_strset for 64bit target.
14125
14126 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
14127
14128         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
14129
14130 2004-08-07  Jason Merrill  <jason@redhat.com>
14131
14132         Make return in memory explicit.
14133         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
14134         (assign_parm_find_data_types): Remove code for old front end
14135         invisible reference handling.
14136         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
14137         (expand_function_end): Likewise.
14138         * gimplify.c (gimplify_return_expr): Handle a dereferenced
14139         RESULT_DECL.
14140         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
14141         (declare_return_variable): Handle DECL_BY_REFERENCE.
14142         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
14143         (cp_genericize_r): Use convert_from_reference.
14144         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
14145         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
14146
14147         * c-common.c (c_warn_unused_result): Check TREE_USED before
14148         warning about a CALL_EXPR with an unused value.
14149
14150 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
14151
14152         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
14153         to the compiler.  Use -fshort-wchar by default.
14154
14155 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
14156
14157         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
14158         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
14159         threshhold.
14160         * doc/invoke.texi (param): Document min-crossjump-insns.
14161
14162 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
14163
14164         PR c/13282
14165         * c.opt (Wmissing-field-initializers): New option.
14166         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
14167         * c-typeck.c (pop_init_level): Guard the missing field warning with
14168         warn_missing_field_initializers rather than extra_warnings.
14169         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
14170         some of the explanation from...
14171         (-Wextra): ...here.  Say that the missing field warning can be
14172         seperately controlled by -Wmissing-field-initializers.
14173
14174 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
14175
14176         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
14177         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
14178         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
14179         * tree.def (ENTRY_VALUE_EXPR): Remove.
14180
14181 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
14182
14183         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
14184         the places where it is actually needed.  Don't use repz; stosb
14185         for -Os with sufficiently small constant sizes.
14186         For sufficiently small repz; stos{l,q} repeat counts use a sequence
14187         of stos{l,q} instructions instead.
14188
14189 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14190
14191         PR tree-optimization/16807
14192         * loop-iv.c (dump_iv_info): Dump invariants correctly.
14193         (iv_subreg, iv_extend): Express value of invariant purely in
14194         base field.
14195
14196 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
14197
14198         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
14199         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
14200
14201 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
14202
14203         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
14204         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
14205         pre_dec_operand.
14206         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
14207         pattern until reload is finished to allow better code generation
14208         and split them completely into separate instrunctions.
14209         (*andsi3_split): New pattern.
14210
14211 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
14212
14213         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
14214         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
14215         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
14216         * tree.h (handle_dll_attribute): Declare.  Test
14217         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
14218         * c-common.h (c_determine_visibility): Declare.
14219         * c-common.c (c_determine_visibility): New function.
14220         * c-decl.c (finish_decl): Use it.
14221         (finish_function): Likewise.
14222         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
14223         zero, by default.  Use #if, not #ifdef, to test it.
14224         * config/arm/arm.c (arm_attribute_table): Use
14225         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
14226         #if.
14227         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
14228         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
14229         to 1.
14230         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
14231         * config/i386/i386.c (ix86_attribute_table): Use
14232         handle_dll_attribute for dllimport/dllexport.  Test
14233         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
14234         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
14235         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
14236         it to 1.
14237         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
14238         with #if.
14239         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
14240         it to 1.
14241         * doc/extend.texi (dllexport): Clarify and correct documentation.
14242         (dllimport): Likewise.
14243         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
14244         handle_dll_attribute.
14245
14246 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14247
14248         * tree-ssa-loop-manip.c: New file.
14249         * Makefile.in (tree-ssa-loop-manip.o): Add.
14250         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
14251         Declare.
14252         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
14253         form.
14254         (tree_ssa_loop_done): Verify loop closed ssa form.
14255         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
14256
14257 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14258
14259         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
14260         pa_asm_output_aligned_local): New functions.
14261         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
14262         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
14263         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
14264         pa_asm_output_aligned_common.
14265         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
14266         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
14267         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
14268         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
14269         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
14270         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
14271         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
14272         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
14273         common data.
14274
14275 2004-08-05  Andrew Pinski  <apinski@apple.com>
14276
14277         * objc/objc-act.c (build_objc_string_object): Mark the address
14278         expression as constant.
14279
14280 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
14281
14282         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
14283         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
14284         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
14285
14286 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14287
14288         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
14289         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
14290         out, and associated obsolete comments.
14291
14292 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
14293
14294         * tree.h (force_fit_type): Return a tree, take three flags.
14295         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
14296         TREE_CONSTANT_OVERFLOW here.
14297         (int_const_binop, const_binop): Adjust.
14298         (size_int_type): Do sign extension here.
14299         (fold_convert_const, optimize_bit_field_compare,
14300         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
14301         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
14302         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
14303
14304 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14305
14306         PR tree-optimization/16864
14307         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
14308         for ssa names without default_def.
14309
14310 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
14311
14312         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
14313         frame pointer, restore eax with an ebp-relative address.
14314
14315 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
14316
14317         PR 14516
14318         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
14319         * c-common.h (make_rtl_for_local_static): Delete.
14320         * c-decl.c (shadow_tag_warned): Clean up comment.
14321         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
14322         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
14323         * c-semantics.c (make_rtl_for_local_static): Delete.
14324         * expr.c (init_block_move_fn): Use set_user_assembler_name.
14325         (init_block_clear_fn): Likewise.
14326         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
14327         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
14328         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
14329         * tree.h (make_decl_rtl): Remove second parameter.
14330         (set_user_assembler_name): New.
14331         * varasm.c (set_user_assembler_name): New.
14332         (make_decl_rtl): Remove second parameter.  Update callers in many
14333         files.
14334
14335 2004-08-05  Adam Nemet  <anemet@lnxw.com>
14336
14337         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
14338         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
14339         to LynxOS 4.0.
14340         * gthr-lynx.h: New file.
14341         * config/lynx-ng.h: Remove file.
14342         * config/lynx.h: Update to LynxOS 4.0.
14343         * config/t-lynx: New file.
14344         * config/i386/lynx-ng.h: Remove file.
14345         * config/i386/lynx.h: Update to LynxOS 4.0.
14346         * config/rs6000/lynxbase.h: Remove file.
14347         * config/rs6000/lynx.h: Update to LynxOS 4.0.
14348         * config/rs6000/t-lynx: New file.
14349         * doc/install.texi (Options specification): Remove reference to
14350         LynxOS from systems where --with-gnu-as makes a difference.
14351
14352 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14353
14354         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
14355         __UINTMAX_TYPE__.
14356         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
14357         __INTMAX_MAX__.
14358         (c_cpp_builtins): Call it.
14359         * doc/cpp.texi: Update.
14360
14361 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
14362
14363         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
14364         cost.
14365
14366 2004-08-04  Jan Hubicka  <jh@suse.cz>
14367
14368         * basic-block.h (profile_staus): New global variable.
14369         * cfg.c (profile_status): Declare.
14370         (check_bb_profile): Break out from ....; use profile_status
14371         (dump_flow_info): ... here.
14372         * cfgbuild.c (find_basic_blocks): Set profile_status.
14373         * cfgexpand.c (tree_expand_cfg): Likewise.
14374         * predict.c (estimate_probability): Likewise.
14375         * profile.c (branch_prob): Likewise.
14376         * tree-cfg.c (build_tree_cfg): Likewise.
14377         (dump_function_to_file): Use check_bb_profile.
14378         * tree-pretty-print (dump_bb_header): Likewise.
14379         * tree-profile.c (do_tree_profiling): Cleanup.
14380
14381 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
14382
14383         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
14384         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
14385         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
14386         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
14387         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
14388         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
14389         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
14390         (ggc-none.o, errors.o): Move rule to generators section;
14391         correct dependencies.
14392         (min-insn-modes.o): Move rule to generators section; remove
14393         unnecessary explicit command; correct dependencies.
14394         (print-rtl.o, print-rtl1.o): Correct dependencies.
14395         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
14396         (mostlyclean): Update.
14397
14398         * errors.c: Include bconfig.h not config.h.  Correct comment.
14399         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
14400         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
14401         * print-rtl.c: Don't include tm_p.h.
14402
14403         * rtl.h: Move forward-decl of struct function down where it's
14404         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
14405         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
14406
14407 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14408             Jeff Law  <law@redhat.com>
14409
14410         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
14411         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
14412         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
14413         manipulate the duplicated ssa names.
14414         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
14415         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
14416         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
14417         New functions.
14418         (release_ssa_name): Do not release ssa names that may have multiple
14419         definitions.
14420         * tree.h (release_ssa_name_force, mark_for_rewrite,
14421         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
14422         marked_ssa_names): Declare.
14423         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
14424         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
14425         Update call to rewrite_ssa_into_ssa.
14426
14427 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
14428
14429         * defaults.h (TARGET_DECLSPEC): New macro.
14430         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
14431         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
14432         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
14433         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
14434         __declspec support.
14435         (TARGET_DECLSPEC): Define.
14436         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
14437         __declspec support.
14438         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
14439         __declspec support.
14440         (TARGET_DECLSPEC): Define.
14441         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
14442         __declspec support.
14443         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
14444         support.
14445         * doc/tm.texi (TARGET_DECLSPEC): Document.
14446
14447         * doc/extend.texi: Fix typo in comment.
14448
14449 2004-08-04  Paul Brook  <paul@codesourcery.com>
14450
14451         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
14452         (TARGET_CXX): Use it.
14453         * target.h (struct gcc_target): Add cdtor_returns_this.
14454         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
14455         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
14456         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
14457
14458 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
14459
14460         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
14461         low/high pair. Do range checking directly.
14462         (interpret_integer): Adjust.
14463
14464 2004-08-04  Nick Clifton  <nickc@redhat.com>
14465
14466         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
14467         GCC ABI.
14468         * doc/invoke.texi: Document this new switch and also the -mrenesas
14469         switch.
14470
14471 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
14472
14473         * cfglayout.c (insn_locators_initialize): Update the current
14474         location before initializing a location.
14475
14476 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
14477
14478         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
14479         (dbxout_function_end): Return after emitting the "Lscope" symbol
14480         under the same conditions that this function formerly wasn't called.
14481         Add explanatory comments.
14482
14483         PR 14860
14484         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
14485         on the new decl.
14486
14487         PR 13956
14488         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
14489         functions, broken out of dbxout_block.
14490         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
14491         stabs too, if it contains symbols.  Use the begin_label and
14492         the Lscope label (emitted by dbxout_function_end) for the
14493         range of this block.
14494
14495 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
14496
14497         * doc/install.texi: Update autoconf version requirements.
14498
14499 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
14500
14501         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
14502         * recog.c (general_operand, immediate_operand, nonmemory_operand)
14503         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
14504         * regclass.c (record_reg_classes): Likewise.
14505         * reload.c (find_reloads): Likewise.
14506         * reload1.c (reload): Likewise.
14507
14508 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
14509
14510         * gensupport.c (init_md_reader_args_cb): Renamed from
14511         init_md_reader_args.  Add third option, callback function for
14512         parsing program-specific options.  Add diagnosis of incorrect
14513         number of input files.
14514         (init_md_reader): Fold into init_md_reader_args_cb.
14515         (init_md_reader_args): Now a thin wrapper around
14516         init_md_reader_args_cb.
14517         * gensupport.h: Update prototypes.
14518
14519         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14520         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14521         * genrecog.c: No need to diagnose lack of an input file;
14522         init_md_reader_args will handle it.
14523         * genconditions.c: Likewise, and use init_md_reader_args.
14524         * genconstants.c: Likewise, and no need to call read_md_rtx.
14525
14526 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
14527
14528         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
14529         declarations.
14530
14531 2004-08-03  Mike Stump  <mrs@apple.com>
14532
14533         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
14534         for frameworks.
14535         * doc/invoke.texi (Darwin Options): Update to reflect above.
14536
14537 2004-08-03  Roger Sayle  <roger@eyesopen.com>
14538
14539         PR middle-end/16790
14540         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
14541         truncations, not just global truncations.
14542
14543 2004-08-03  Andrew Pinski  <apinski@apple.com>
14544
14545         PR bootstrap/16865
14546         * loop-iv.c (simplify_using_assignment): Initialize lhs.
14547
14548 2004-08-03  Paul Brook  <paul@codesourcery.com>
14549
14550         * gcc/doc/install.texi: Document MPFR requirement.
14551
14552 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
14553
14554         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
14555         and mmap() explicitly instead of relying on preset autoconf cache
14556         variables.
14557         * configure: Regenerate.
14558
14559 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
14560
14561         PR target/16570
14562         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
14563         to tmake_file.
14564         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
14565         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
14566         to tmake_file.
14567
14568         * config/i386/t-gmm_malloc: New file.
14569         * config/i386/t-pmm_malloc: Likewise.
14570
14571         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
14572
14573 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
14574             Tanguy Fautrà <tfautre@pandora.be>
14575
14576         * config/i386/pmm_malloc.h: New file.
14577
14578 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
14579
14580         * config/i386/gmm_malloc.h: New file.
14581
14582 2004-08-03  Dale Johannesen  <dalej@apple.com>
14583
14584         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
14585         * c-common.c: Include opts.h.
14586         (c_common_get_alias_set): Fix check for a single input file.
14587         * toplev.c: Remove current_file_decl.
14588         * tree.h: Ditto.
14589
14590 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
14591
14592         * config.gcc (arm*-*-symbianelf*): New target.
14593         * config/arm/symbian.h: New file.
14594
14595         * gthr-gnat.c: Add visibility #pragmas.
14596         * gthr-gnat.h : Likewise.
14597         * gthr.h: Likewise.
14598         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
14599         (__ffsDI2): Likewise.
14600         (__clzSI2): Likewise.
14601         (__ctzSI2): Likewise.
14602         (__ctzDI2): Likewise.
14603         (__popcountSI2): Likewise.
14604         (__popcountDI2): Likewise.
14605         (__paritySI2): Likewise.
14606         (__parityDI2): Likewise.
14607         * libgcc2.h: Add visibility #pragmas.
14608         (__clzDI2): Add prototype.
14609         (__clzSI2): Likewise.
14610         (__ctzSI2): Likewise.
14611         (__ffsDI2): Likewise.
14612         (__ffsSI2): Likewise.
14613         (__ctzDI2): Likewise.
14614         (__popcountSI2): Likewise.
14615         (__popcountDI2): Likewise.
14616         (__paritySI2): Likewise.
14617         (__parityDI2): Likewise.
14618         * unwind-dw2-fde.h: Add visibility #pragmas.
14619         * unwind.h: Likewise.
14620
14621 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
14622             Dale Johannesen  <dalej@apple.com>
14623             Roger Sayle  <roger@eyesopen.com>
14624
14625         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
14626         constants more accurately.  Adjust costs for FMA instructions.
14627         Add cases for most logical and float operations.  Recurse into
14628         most operands.
14629
14630 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
14631
14632         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
14633
14634 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
14635
14636         * ra-build.c (conflicts_between_webs): For webs that cross a call add
14637         conflicts to regs_invalidated_by_call.
14638
14639 2004-08-03  Paul Brook  <paul@codesourcery.com>
14640
14641         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
14642
14643 2004-08-03  Jan Hubicka  <jh@suse.cz>
14644
14645         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
14646         ARRAY_REF argument.
14647
14648 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
14649
14650         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
14651         arm968es, arm10e, arm1020e, arm1022e.
14652         * invoke.texi: Update list of ARM cores.
14653         * arm-tune.md: Regenerate.
14654
14655 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
14656
14657         * arm/gentune.sh: New file.
14658         * arm/t-arm: New file.
14659         * arm/arm-tune.md: New file (autogenerated).
14660         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
14661         * arm.md (attribute tune): Delete.  Include arm-tune.md.
14662
14663 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
14664
14665         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
14666         penultimate parameter.  All callers adjusted.
14667         (struct prefix_list): Remove used_flag_ptr.
14668         (find_a_file): Do not set *pl->used_flag_ptr.
14669         (warn_B, warn_std_ptr): Remove.
14670
14671 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
14672             Mostafa Hagog <mustafa@il.ibm.com>
14673
14674         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
14675
14676 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
14677
14678         * dwarf2out.c (output_call_frame_info): Don't change data format
14679         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
14680         label.  Use 'true' not '1'.
14681         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
14682         required.
14683
14684 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14685
14686         * gdbinit.in: Reflect previous changes to rtunion_def.
14687
14688 2004-08-02  Roger Sayle  <roger@eyesopen.com>
14689
14690         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
14691         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
14692
14693 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14694
14695         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
14696         vec_p_reserve.
14697         * langhooks.h (lang_hooks::builtin_function): Rename parameter
14698         from "class" to "bt_class".
14699
14700 2004-08-02  Paul Brook  <paul@codesourcery.com>
14701
14702         PR rtl-optimization/15068
14703         * flow.c (init_propagate_block_info): Check condition is reversible.
14704
14705 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14706
14707         * gengtype.h (options::info): Change type to const char *.
14708         (enum gc_used_enum): Move out of struct type scope.
14709         * gengtype.c (create_option): Convert initializer for option::info to
14710         appropiate type.
14711         (adjust_field_type, walk_type, write_func_for_structure,
14712         write_root, write_roots): Remove pointless cast.
14713
14714 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
14715
14716         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
14717
14718 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
14719
14720         * rtl.h (union rtunion_def): Have all members  start with the
14721         prefix "rt_".
14722         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
14723         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
14724         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
14725         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
14726         access.
14727         * gengtype.c (adjust_field_rtx_def): Likewise.
14728         * rtlanal.c (loc_mentioned_in_p): Likewise.
14729
14730 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
14731
14732         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
14733         Replace uses of mips/elf64.h with mips/elf.h
14734         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
14735         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
14736         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
14737         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
14738         (HANDLE_SYSV_PRAGMA): Delete.
14739         (ASM_OUTPUT_DEF): Fix formatting.
14740         * config/mips/elf64.h: Delete.
14741
14742 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
14743
14744         * config/ia64/ia64.c (got_symbolic_operand): Do require a
14745         symbol+offset operand to have its offset be zero mod 0x3fff
14746         when GOT entries are in use.  Clarify logic in SYMBOL_REF
14747         case.  Clarify comments.
14748         (ia64_expand_load_address): Split a symbol+offset load when
14749         the offset is nonzero mod 0x3fff, not 0x1fff.
14750
14751 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
14752
14753         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
14754         if trying to *store* to a non-offsettable address.
14755         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
14756         a nonoffsettable address.
14757         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
14758         Clean up.
14759         (movti_string): Don't move GPRs to a nonoffsettable address.
14760         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
14761
14762 2004-08-02  Ben Elliston  <bje@au.ibm.com>
14763
14764         PR target/16155
14765         * config/rs6000/altivec.h: Replace typeof with __typeof__.
14766
14767 2004-08-01  Richard Henderson  <rth@redhat.com>
14768
14769         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
14770         variable sized types.
14771
14772 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
14773
14774         * doc/invoke.texi: In the MIPS options section, remove the passage
14775         saying that -mexplicit-relocs is usually disabled for -mabicalls
14776         -fno-unit-at-a-time.
14777         * config/mips/mips.c (override_options): Remove the code that enforced
14778         this rule.
14779
14780 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
14781
14782         * config/mips/mips.md (cprestore): Provide two alternatives, one for
14783         an in-range offset and one for an out-of-range offset.  Wrap the latter
14784         in .set macro/.set nomacro if it's inside a .set nomacro block.
14785
14786 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
14787
14788         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
14789         (mips_restore_gp): Declare.
14790         * config/mips/mips.c (mips_add_offset): Add a scratch register
14791         argument.  Reimplement in rtl only, reusing MIPS16 logic from
14792         mips_output_mi_thunk.
14793         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
14794         to mips_add_offset.
14795         (mips_gp_save_slot): Delete.
14796         (mips_restore_gp): New function.
14797         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
14798         * config/mips/mips.md (exception_receiver): Turn into a
14799         define_insn_and_split.  Use mips_restore_gp to do the split.
14800         (call_internal, call_value_internal, call_value_multiple_internal): Use
14801         mips_restore_gp to restore $gp.
14802
14803 2004-07-31  Andrew Pinski  <apinski@apple.com>
14804
14805         PR other/16842
14806         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
14807
14808 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
14809
14810         * c-decl.c (diagnose_mismatched_decls): Give error for external
14811         redeclaration of identifier declared with no linkage, not just
14812         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
14813         error for redeclaration with no linkage.
14814
14815 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
14816             Fariborz Jahanian <fjahanian@apple.com>
14817
14818         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
14819         non-offsettable addresses even for DImode.
14820         (rs6000_split_multireg_move): Cope with non-offsettable addresses
14821         being moved into multiple GPRs.
14822
14823         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
14824         to 64.
14825         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
14826         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
14827         to 128.
14828         * config/rs6000/darwin-ldouble.c (isless): New macro.
14829         (inf): New macro.
14830         (nonfinite): New macro.
14831         (FPKINF): Delete.
14832         (_xlqadd): Completely rewrite.
14833         (_xlqmul): Correct overflow handling.
14834         (_xlqdiv): Correct overflow handling.
14835         * config/rs6000/darwin-ldouble-format: New file.
14836
14837 2004-07-30  Roger Sayle  <roger@eyesopen.com>
14838             Richard Henderson  <rth@redhat.com>
14839
14840         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
14841         9 into the equivalent lea instruction.
14842
14843 2004-07-30  Richard Henderson  <rth@redhat.com>
14844
14845         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
14846         with DECL_INITIAL if fb_lvalue.
14847         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
14848         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
14849         with <Cxxx>.
14850         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
14851
14852 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
14853
14854         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
14855         pointer escapes through a function call, assume that the
14856         callee will dereference it.
14857         (add_pointed_to_var): Assume that VALUE is always an
14858         ADDR_EXPR.
14859         (collect_points_to_info_r): Only call add_pointed_to_var if
14860         the value is an ADDR_EXPR.
14861
14862 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
14863
14864         * tree-ssa-alias.c (create_alias_map_for): Do not get the
14865         alias set of the inner type of ARRAY_TYPEs.
14866
14867 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
14868
14869         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
14870         setting a non-register to UNDEFINED right before the call to
14871         set_lattice_value.
14872
14873 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
14874
14875         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
14876
14877 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
14878
14879         * tree-ssa.c (verify_flow_sensitive_alias_info): When
14880         comparing points-to sets of different pointers, make sure the
14881         second pointer is actually referenced in the code.
14882
14883 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
14884
14885         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
14886         (got_symbolic_operand): Remove unreachable code.
14887         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
14888         setjmp_operand; add entry for tls_symbolic_operand.
14889         * config/ia64/ia64-protos.h: Remove all prototypes of
14890         predicate functions.
14891
14892 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
14893
14894         * c-common.h (lang_post_pch_load): New variable.
14895         * c-pch.c (lang_post_pch_load): Define it.
14896         (c_common_read_pch): Use it.
14897         * cgraphunit.c (record_call_1): Give the front end a chance to
14898         record additional needed entities when a variable is marked as
14899         needed.
14900         * tlink.c (recompile_files): Robustify.
14901         (scan_linker_output): If a symbol is assigned to a file,
14902         but after recompilation is not present there, issue an error
14903         message.
14904
14905 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14906
14907         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
14908         Take orig_loop argument and pass it to set_level.
14909         (schedule_sm): Pass the correct orig_loop to force_move_till.
14910
14911 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14912
14913         * cfgloop.c (update_latch_info): Update dominator of the new block.
14914         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
14915         info.
14916         * dominance.c (verify_dominators): Check that the dominance tree is
14917         connected.
14918         (recount_dominator): Ignore unreachable blocks.
14919         (iterate_fix_dominators): Cleanup old dominance information before
14920         recomputing it.
14921
14922 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
14923
14924         * tree-ssa-operands.c (get_expr_operands): Revert changes
14925         to ADDR_EXPR processing introduced by:
14926             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14927             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
14928
14929 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
14930
14931         * doc/implement-c.texi: Add C90 subclause references.  Point to
14932         preprocessor documentation instead of duplicating it.  Add points
14933         only present in C90.  Fill in documentation for all points.
14934
14935 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14936
14937         * pa.c (output_movb): Correct typo.
14938
14939 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
14940
14941         * ra.h (single_reg_in_regclass): Declare.
14942         * ra.c (single_reg_in_regclass): Define.
14943         (first_hard_reg): New.
14944         (init_ra): Initialize single_reg_in_regclass.
14945         * ra-colorize.c (ok_class): New.
14946         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
14947
14948 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
14949
14950         * gcov-io.h: Allow zero tag as EOF indicator.
14951         (gcov_is_eof): Remove.
14952         (gcov_truncate): Remove.
14953         * gcov-io.c (gcov_seek): Always SEEK_SET.
14954         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
14955         EOF tag.
14956         * coverage.c (read_counts_file): Don't use gcov_is_eof.
14957         * gcov-dump.c (dump_file): Likewise.
14958         * gcov.c (read_graph_file, read_count_file): Likewise.
14959
14960         * c-decl.c (complete_array_type): Don't gratuitously copy
14961         maxindex.  Check it always has a type.
14962
14963 2004-07-29  Steven Bosscher  <stevenb@suse.de>
14964
14965         * rtl.c (currently_expanding_to_rtl): New.
14966         * rtl.h (currently_expanding_to_rtl): Export it.
14967         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
14968
14969         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
14970         inliner hack.
14971         * config/sh/sh.c: Replace rtx_equal_function_value_matters
14972         with currently_expanding_to_rtl.
14973         * config/sh/sh.md: Likewise.
14974         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
14975
14976 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
14977
14978         Introduce sh2a support.
14979         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
14980         * config.gcc: Build multilibs for sh2a and sh2a-single by
14981         default.
14982         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
14983         default.  Split their tests out of the corresponding SH4
14984         multilibs.
14985         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
14986         multilibs for SH2a.
14987         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
14988         * config.gcc: Handle sh2a multilibs and cpu selection.
14989         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
14990         * config/sh/t-mlib-sh2a: New.
14991         * config/sh/t-mlib-sh2a-nofpu: New.
14992         * config/sh/t-mlib-sh2a-single: New.
14993         * config/sh/t-mlib-sh2a-single-only: New.
14994         2004-07-09  Nick Clifton  <nickc@redhat.com>
14995         Issue 43400
14996         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
14997         -ml and -m2a are used together.
14998         2004-03-23  DJ Delorie  <dj@redhat.com>
14999         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
15000         when we have a double-sized FPU.
15001         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
15002         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
15003         is set.
15004         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
15005         -msh2a-single and -msh2a-single-only
15006         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
15007         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
15008         is set.
15009         2004-02-20  DJ Delorie  <dj@delorie.com>
15010         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
15011         2004-02-20  Fred Fish <fnf@redhat.com>,
15012         Corinna Vinschen <vinschen@redhat.com>
15013         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
15014         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
15015         2004-02-18  DJ Delorie  <dj@redhat.com>
15016         * config/sh/sh.c (broken_move): Add support for movi20.
15017         * config/sh/sh.h: Likewise.
15018         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
15019         * config/sh/sh.md (udivsi3_sh2a): New.
15020         (udivsi3): Call it.
15021         (divsi3_sh2a): New.
15022         (divsi3): Call it.
15023         (mul_r): New.
15024         (ashlsi3_sh2a): New.
15025         (ashrsi3_sh2a): New.
15026         (lshrsi3_sh2a): New.
15027         (movsi_i): Disable for sh2a.
15028         (movsi_ie): Add movi20.
15029         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
15030         sh2a, for -m2a-nofpu mode.
15031         2004-02-13  DJ Delorie  <dj@redhat.com>
15032         * config/sh/lib1funcs.asm: Handle double vs single better.
15033         * config/sh/sh.h: Likewise.
15034         2004-02-09  DJ Delorie  <dj@redhat.com>
15035         * config/sh/crt1.asm: Add support for sh2a.
15036         * config/sh/elf.h: Likewise.
15037         * config/sh/lib1funcs.asm: Likewise.
15038         * config/sh/sh.c: Likewise.
15039         * config/sh/sh.md: Likewise.
15040         * config/sh/sh.h: Likewise.
15041         * config/sh/t-sh: Likewise.
15042
15043 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
15044
15045         * config/frv/frv.md (movqi_internal, movhi_internal,
15046         movsi_internal): Add backup alternatives for memory inputs.
15047
15048 2004-07-28  Matt Austern  <austern@apple.com>
15049
15050         * config/darwin.c (darwin_one_byte_bool): New global variable.
15051         * config/darwin.h (darwin_one_byte_bool): Declare.
15052         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
15053         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
15054         value of darwin_one_byte_bool.
15055         * doc/invoke.texi: Document -mone-byte-bool flag.
15056
15057 2004-07-28  Eric Christopher  <echristo@redhat.com>
15058
15059         * c-common.c (c_common_unsafe_for_reeval): Delete.
15060         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
15061         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
15062         * calls.c (fix_unsafe_tree): Delete.
15063         (expand_call): Delete code which used above.
15064         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
15065         * expr.c (expand_expr_real_1): Ditto.
15066         * fold-const.c (non_lvalue): Ditto.
15067         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
15068         (lhd_unsafe_for_reeval): Ditto.
15069         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
15070         * langhooks.h (unsafe_for_reeval): Ditto.
15071         (unsave_expr_now): Adjust comment.
15072         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
15073         (estimate_num_insns_1): Ditto.
15074         * tree-pretty-print.c (dump_generic_node): Ditto.
15075         * tree.c (expr_align): Ditto.
15076         (unsave_expr): Delete.
15077         (unsafe_for_reeval): Ditto.
15078         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
15079         * tree.def (UNSAVE_EXPR): Delete.
15080         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
15081
15082 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
15083
15084         * tree.h (enum tls_model): Move ...
15085         * coretypes.h: ... here.
15086
15087 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
15088
15089         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
15090
15091 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
15092
15093         * cse.c (validate_canon_reg): New function, split out from...
15094         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
15095
15096 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
15097
15098         * tree-ssa-alias.c (maybe_create_global_var): Don't just
15099         return if .GLOBAL_VAR has been created.
15100
15101 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
15102
15103         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
15104         every variable that may have aliases, not just tags.
15105
15106 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
15107
15108         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
15109         move_from_CR_eq_bit.
15110         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
15111
15112
15113         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
15114         e500_flip_eq_bit.
15115
15116         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
15117         output_e500_flip_eq_bit.
15118
15119         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
15120         output_e500_flip_eq_bit.
15121         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
15122         output_e500_flip_eq_bit.
15123         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
15124         (print_operand): case D.  Get to EQ bit.
15125
15126 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
15127
15128         * gcov.c (function_summary): Add missing \n.
15129
15130 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
15131
15132         Introduce sh4a support.
15133         * config.gcc: Handle sh4a multilibs and cpu selection.
15134         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
15135         * config/sh/t-mlib-sh4a: New.
15136         * config/sh/t-mlib-sh4al: New.
15137         * config/sh/t-mlib-sh4a-nofpu: New.
15138         * config/sh/t-mlib-sh4a-single: New.
15139         * config/sh/t-mlib-sh4a-single-only: New.
15140         2004-02-20  DJ Delorie  <dj@redhat.com>
15141         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
15142         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
15143         2003-08-22  Eric Christopher  <echristo@redhat.com>
15144         * config/sh/sh4a.md: Update for chip errata.
15145         2003-08-07  Eric Christopher  <echristo@redhat.com>
15146         * config/sh/sh4a.md: New file. sh4a processor description.
15147         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
15148         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
15149         of -m4a-nofpu.
15150         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
15151         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
15152         * doc/invoke.texi (SH Options): Document -m4al.
15153         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
15154         * config/sh/sh.c (expand_block_move): Remove commented-out code
15155         checked in by mistake.
15156         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
15157         single elements from SFmode vectors.
15158         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
15159         register.
15160         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
15161         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
15162         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
15163         sh_fsca_int2sf): Remove variable declarations.
15164         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
15165         sh_fsca_int2sf): New functions.
15166         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
15167         sh_fsca_int2sf_rtx): New static variables.
15168         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
15169         sh_fsca_int2sf): Declare.
15170         * config/sh/sh.md: Adjust.
15171         * doc/invoke.texi (SH Options): Document new options.
15172         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
15173         compatibility from SH4 code.
15174         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
15175         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
15176         early.
15177         (memory_movsrc_operand): Renamed to...
15178         (unaligned_load_operand): ... this.  Simplified.
15179         * config/sh/sh.h (PREDICATE_CODES): Adjust.
15180         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
15181         input operand to SImode, and adjust the others.  Introduce
15182         post-increment by peephole.
15183         * config/sh/sh.c (expand_block_move): Give the target address the
15184         same mode as the temp reg.
15185         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
15186         copying.
15187         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
15188         Introduce support for SH4a.
15189         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
15190         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
15191         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
15192         sh_fsca_int2sf): New.
15193         (sh_init_builtins): Initialize them.
15194         (print_operand): Support `d'.
15195         (expand_block_move): Use movua if src is misaligned.
15196         (memory_movsrc_operand): New.
15197         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
15198         and one of the SH4 macros.
15199         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
15200         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
15201         SELECT_SH4A_SINGLE): New.
15202         (TARGET_NONE): Add SH4A_BIT.
15203         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
15204         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
15205         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
15206         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
15207         (enum processor_type): Added PROCESSOR_SH4A.
15208         (PREDICATE_CODES): Add memory_movsrc_operand.
15209         * config/sh/sh.md: Removed unused variables.
15210         (attr cpu): Add sh4a.
15211         (attr type): Add movua, fsrra and fsca.
15212         (prefetch): New, for SH4.
15213         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
15214         (toggle_sz): Set type to fp.
15215         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
15216         (movua, extv, extzv): New.
15217         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
15218         and 4a-single-only.
15219
15220 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
15221
15222         * tree-optimize.c (init_tree_optimization_passes): Schedule
15223         pass_may_alias right after the program is renamed into SSA.
15224         * tree-pass.h (PROP_alias): Define.
15225         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
15226         * tree-sra.c (pass_sra): Likewise.
15227         * tree-ssa-ccp.c (pass_ccp): Likewise.
15228         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
15229         * tree-ssa-dce.c (pass_dce): Likewise.
15230         * tree-ssa-dom.c (pass_dominator): Likewise.
15231         * tree-ssa-dse.c (pass_dse): Likewise.
15232         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
15233         * tree-ssa-loop-ch.c (pass_ch): Likewise.
15234         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
15235         * tree-ssa-pre.c (pass_pre): Likewise.
15236         * tree-tailcall.c (pass_tail_recursion): Likewise.
15237         * tree-ssa.c (pass_redundant_phi): Likewise.
15238         * tree-ssa-alias.c (aliases_computed_p): Remove.
15239         Update all users.
15240         (init_alias_info): Do not mark all type tags for renaming
15241         unconditionally.
15242         Clear may_aliases from every symbol.
15243         (setup_pointers_and_addressables): If a pointer has not been
15244         dereferenced and it had a type tag, clear it and mark the old
15245         tag for renaming.
15246
15247 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
15248
15249         PR tree-optimization/16705
15250         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
15251         .GLOBAL_VAR.
15252
15253 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15254
15255         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
15256         check.
15257
15258         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
15259         don't make another one.
15260
15261         PR optimization/15077
15262         * function.h (struct function): Add field saved_static_chain_decl.
15263         Fix comment for static_chain_decl.
15264         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
15265         * tree-inline.h (save_body): Add new arg.
15266         * tree-optimize.c (tree_rest_of_compilation): Handle saving
15267         static_chain_decl.
15268
15269 2004-07-27  Richard Henderson  <rth@redhat.com>
15270
15271         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
15272         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
15273         is_gimple_addressable.
15274         * tree-gimple.c (is_gimple_addressable): Rename from
15275         is_gimple_addr_expr_arg; accept INDIRECT_REF.
15276         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
15277         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
15278         rename to is_gimple_addressable.
15279
15280 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
15281
15282         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
15283
15284 2004-07-27  Richard Henderson  <rth@redhat.com>
15285
15286         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
15287         before rounding.
15288
15289 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
15290
15291         * libgcc2.c: Change all conditionals testing
15292         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
15293         * libgcc2.h: Likewise.
15294         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
15295         TYPE_PRECISION of float80_type to 80.
15296         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
15297         of fpreg_type and float80_type to 80.
15298         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
15299         * config/m68k/netbsd-elf.h:
15300         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
15301         to evaluate to 80 whenever they would formerly have evaluated to 96.
15302         * config/i386/sco5.h: Remove unnecessary redefinition of
15303         LONG_DOUBLE_TYPE_SIZE.
15304         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
15305         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
15306         XFmode, with a bitsize of 80.  Update commentary.
15307         * config/ia64/ia64-modes.def: Likewise.
15308         * config/m68k/m68k-modes.def: Likewise.
15309
15310 2004-07-27  Steven Bosscher  <stevenb@suse.de>
15311
15312         * cfgexpand.c (tree_expand_cfg): Fix comment.
15313
15314         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
15315         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
15316         Remove.
15317         (prepare_function_start): Don't set rtx_equal_function_value_matters.
15318         * integrate.c (copy_rtx_and_substitute): Don't test for it.
15319         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
15320         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
15321         here again.  Update leading comment.
15322         * rtl.c (rtx_equal_function_value_matters): Remove.
15323         (rtx_equal_p): Don't test for it.
15324         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
15325         Likewise.
15326
15327         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
15328         * rtl.c (note_insn_name): Likewise.
15329         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
15330         * final.c (final_scan_insn): Likewise.
15331
15332         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
15333         * passes.c (rest_of_handle_eh): Do it here.
15334
15335         * stmt.c (struct nesting): Remove struct nesting block member.
15336         (struct stmt_status): Remove x_block_start_count field.
15337         (current_block_start_count): Remove.
15338
15339 2004-07-27  Brian Booth  <bbooth@redhat.com>
15340
15341         * tree-optimize.c (register_one_dump_file): Update condition that uses
15342         static_pass_number.
15343         (dup_pass_1): Replace with...
15344         (next_pass_1): This.
15345         (NEXT_PASS): Call next_pass_1.
15346         (DUP_PASS): Remove.
15347         (init_tree_optimization_passes): Remove uses of DUP_PASS.
15348         (execute_one_pass): Update condition that uses
15349         static_pass_number.
15350         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
15351         integer.
15352
15353 2004-07-27  Nick Clifton  <nickc@redhat.com>
15354
15355         * config/m32r/m32r.c: Include integrate.h in order to get the
15356         prototype for get_hard_reg_initial_val().
15357
15358         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
15359         and tidy up indentation.
15360         (final_presence_set): Use absence_set instead, so that if there is
15361         nothing in the "o" pipe the "s" pipe can be scheduled.
15362
15363 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
15364
15365         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
15366         don't have PT_VARS nor PT_MALLOC set.
15367         Clear name tag from pointers that have not been dereferenced.
15368         (set_pt_anything, set_pt_malloc): Forward declare.
15369         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
15370         not type compatibility when determining if a pointer can be
15371         copy propagated.
15372
15373 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
15374
15375         * expr.h (canonicalize_condition, get_condition): Add an int argument.
15376         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
15377         it to check whether the condition is still valid at the jump insn.
15378         * ifcvt.c (noce_get_condition): Likewise.
15379         (noce_get_alt_condition): Update call to canonicalize_condition.
15380         * loop-iv.c (simplify_using_initial_values): Update call to
15381         get_condition.  Remove FIXME.
15382         (check_simple_exit): Update call to get_condition.
15383         * loop-unswitch.c (may_unswitch_on): Likewise.
15384         * loop.c (check_dbra_loop): Likewise.
15385         (canonicalize_condition, get_condition): Add an argument to say whether
15386         the condition must still be valid at INSN.
15387         (get_condition_for_loop): Update call to get_condition.  Require that
15388         the condition be valid at INSN.
15389         * predict.c (estimate_probability): Update call to get_condition.
15390         Remove unused earliest parameter.
15391         (expected_value_to_br_prob): Update call to canonicalize_condition.
15392
15393 2004-07-26  Eric Christopher  <echristo@redhat.com>
15394
15395         * tree-dfa.c (add_referenced_var): Register initializers of global
15396         variables.
15397
15398 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
15399
15400         * config/i386/i386.c (function_arg): Always treat 8-
15401         and 16-byte wide vectors the same, even if MMX/SSE
15402         are disabled.
15403         (contains_128bit_aligned_vector_p): Add comment.
15404
15405 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
15406
15407         * ra.h (enum node_type): Rename to:
15408         (enum ra_node_type).
15409         * ra-colorize.c: Likewise.
15410
15411 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
15412
15413         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
15414         after simplifying the jump.
15415
15416 2004-06-26  Richard Henderson  <rth@redhat.com>
15417
15418         * calls.c (combine_pending_stack_adjustment_and_call): Make
15419         preferred_unit_stack_boundary argument unsigned.  Make
15420         unadjusted_alignment unsigned.
15421         (expand_call): Make preferred_stack_boundary and
15422         preferred_unit_stack_boundary variables unsigned.
15423         * function.c (assign_stack_local_1): Make alignment unsigned.
15424         * function.h (struct function): Make stack_alignment_needed,
15425         preferred_stack_boundary unsigned.
15426         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
15427         (ix86_compute_frame_layout): Make stack_alignment_needed,
15428         preferred_alignment variables unsigned.
15429         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
15430
15431 2004-07-26  Tom Tromey  <tromey@redhat.com>
15432
15433         * tree.h: Fix typo in comment.
15434
15435 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
15436
15437         PR bootstrap/12804
15438         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
15439         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
15440         (ggc_free): Remove incorrect freeing.
15441         (sweep_pages): Advance PP for large pages.  Fix indentation.
15442
15443 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
15444
15445         PR rtl-optimization/16643
15446         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
15447         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
15448         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
15449         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
15450         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
15451         * function.c (thread_prologue_and_epilogue_insns): Likewise.
15452         * rtl.h (tracer): Add a flags parameter.
15453         * tracer.c (tracer): Pass it to cfg_layout_initialise.
15454         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
15455         (rest_of_handle_reorder_blocks): Update calls to tracer and
15456         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
15457         (rest_of_handle_tracer): Pass 0 to tracer.
15458         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
15459
15460 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
15461
15462         PR target/16239
15463         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
15464         f->f.
15465
15466 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
15467
15468         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
15469         (BINFO_BASE_ACCESS): Adjust.
15470         (BINFO_BASE_ACCESS_APPEND): New.
15471         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
15472         * dbxout.c (dbxout_type): Adjust binfo access accessing.
15473         * dwarf2out.c (gen_member_die): Likewise.
15474         * tree-dump.c (deque_and_dump): Likewise.
15475
15476 2004-07-26  Falk Hueffner  <falk@debian.org>
15477
15478         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
15479         costs.
15480
15481 2004-07-25  Roger Sayle  <roger@eyesopen.com>
15482
15483         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
15484         value off of the stack if TARGET_USE_FFREEP.
15485
15486 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
15487
15488         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
15489         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
15490         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
15491         check on invocation of XRESIZEVEC ().
15492
15493 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
15494
15495         * c-common.c (disable_builtin_function): Rename variable n to
15496         new_disabled_builtin.
15497         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
15498         Rename local variable old to old_decl.
15499         * gensupport.c (shift_output_template): Rename parameter old to src.
15500         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
15501         old_rtx and newx to new_rtx.
15502
15503 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
15504
15505         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
15506         of c-pragma.h.
15507         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
15508         enum cpp_ttype.
15509         * c-lex.c: Likewise.
15510
15511 2004-07-25  Roger Sayle  <roger@eyesopen.com>
15512
15513         * fold-const.c (constant_boolean_node): Make extern.
15514         (make_range): Wrap long lines.
15515         (fold_cond_expr_with_comparison): Remove unnecessary call to
15516         pedantic_non_lvalue.  Add missing calls to fold_convert.
15517         (fold_truthop): Add missing calls to fold_convert.
15518         (fold): Likewise.
15519         * tree.h (constant_boolean_node): Add prototype here.
15520         * builtins.c (expand_builtin_strncmp): Add missing calls to
15521         fold_convert.
15522         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
15523         Call fold_convert and constant_boolean_node to correct types.
15524         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
15525         missing call to fold_convert to correct types.
15526
15527 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
15528             Brian Ryner  <bryner@brianryner.com>
15529
15530         PR c++/9283
15531         PR c++/15000
15532         * c-common.c (c_common_attribute_table): Allow
15533         handle_visibility_attribute to be called for types.
15534         (handle_visibility_attribute) When given a type, set the visibility
15535         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
15536         so that we can check later whether the attribute was present. Added
15537         warning if attribute applied to non class type.
15538         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
15539         decls and checking that they are consistent.
15540         * common.opt: Added -fvisibility.
15541         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
15542         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
15543         * flags.h, tree.h: Added assorted support defines for overall patch
15544         * opts.c: Added parsing support for -fvisibility.
15545         * tree.c (build_decl): Set visibility for all decls to be whatever
15546         is in force at that time.
15547         * varasm.c (default_binds_local_p_1): Reworked logic determining
15548         when to make a symbol locally bound.
15549         * doc/invoke.texi: Added documentation for -fvisibility and
15550         -fvisibility-inlines-hidden.
15551
15552 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15553
15554         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
15555         * c-common.c: Add missing casts from void * to other types.
15556         * c-decl.c: Likewise.
15557         * c-format.c: Likewise.
15558         * c-lex.c: Likewise.
15559         * c-pragma.c: Likewise.
15560         * c-typeck.c: Likewise.
15561         * defaults.h: Likewise.
15562         * genconstants.c: Likewise.
15563         * gengtype-lex.l: Likewise.
15564         * genmodes.c: Likewise.
15565         * read-rtl.c: Likewise.
15566         * rtl.c: Likewise.
15567
15568 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15569
15570         * bitmap.c: Use type-safe memory allocation macros from libiberty.
15571         * c-common.c: Likewise.
15572         * c-decl.c: Likewise.
15573         * c-lang.c: Likewise.
15574         * c-lex.c: Likewise.
15575         * c-opts.c: Likewise.
15576         * c-parse.in: Likewise.
15577         * c-typeck.c: Likewise.
15578         * genconditions.c: Likewise.
15579         * gengtype-lex.l: Likewise.
15580         * gengtype-yacc.y: Likewise.
15581         * gengtype.c: Likewise.
15582         * genmodes.c: Likewise.
15583         * gensupport.c: Likewise.
15584         * read-rtl.c: Likewise.
15585         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
15586         htab_find_slot().
15587
15588 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15589
15590         * c-decl.c (groktypename, groktypename_in_param_context): Rename
15591         variable typename to type_name.
15592         * c-lex.c (interpret_float): Likewise.
15593
15594 2004-07-25  Roger Sayle  <roger@eyesopen.com>
15595
15596         * convert.c (convert_to_real, convert_to_integer,
15597         convert_to_complex): Replace calls to build with calls to buildN.
15598         * coverage.c (tree_coverage_counter_ref): Likewise.
15599         * dojump.c (do_jump): Likewise.
15600         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
15601         * emit-rtl.c (component_ref_for_mem_expr,
15602         set_mem_attributes_minus_bitpos): Likewise.
15603         * explow.c (update_nonlocal_goto_save_area): Likewise.
15604         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
15605         expand_mult_add): Likewise.
15606         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
15607         store_constructor, get_inner_reference, expand_expr_real_1,
15608         try_casesi, try_tablejump): Likewise.
15609         * function.c (expand_function_start): Likewise.
15610         * stmt.c (emit_case_bit_tests, expand_end_case_type,
15611         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
15612         * stor-layout.c (place_union_field, layout_type): Likewise.
15613         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
15614         * varasm.c (copy_constant): Likewise.
15615
15616 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15617
15618         * c-common.c: Rename all identifiers named `new'.
15619         * c-decl.c: Likewise.
15620         * gensupport.c: Likewise.
15621         * simplify-rtx.c: Likewise.
15622         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
15623         with XNEW().
15624         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
15625         with XNEWVEC().
15626
15627 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
15628
15629         PR c/15360
15630         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
15631         declarations until after calling pushdecl.
15632         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
15633         "extern" and not on whether the declaration is initialized.
15634
15635 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
15636
15637         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
15638         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
15639         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
15640         "cpplib.h", "c-pragma.h", "c-common.h".
15641         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
15642         (solaris_register_pragmas): New functions.
15643         * config/sol2-protos.h: New file.
15644         * config/sol2.c: New file.
15645         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
15646         (REGISTER_TARGET_PRAGMAS): New macros.
15647         (solaris_pending_aligns, solaris_pending_inits)
15648         (solaris_pending_finis): New variables.
15649         * config/t-sol2 (sol2-c.o): Update dependencies.
15650         (sol2.o): New rule.
15651         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
15652         SUBTARGET_INSERT_ATTRIBUTES.
15653         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
15654         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
15655         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
15656         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
15657         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
15658         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
15659         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
15660         * config/sparc/sparc.c (sparc_attribute_table): New.
15661         (TARGET_INSERT_ATTRIBUTES): Define in terms of
15662         SUBTARGET_INSERT_ATTRIBUTES.
15663         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
15664         is defined.
15665         * doc/extend.texi (Solaris Pragmas): New section.
15666
15667 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15668
15669         * c-common.c: Rename all identifiers named `class' to `cl'.
15670         * c-common.h: Likewise.
15671         * c-parse.in: Likewise.
15672         * c-typeck.c: Likewise.
15673         * genmodes.c: Likewise.
15674         * real.c: Likewise.
15675         * real.h: Likewise.
15676         * recog.c: Likewise.
15677         * recog.h: Likewise.
15678         * regrename.c: Likewise.
15679         * tree.h: Likewise.
15680         * c-common.c (builtin_function_2): Change type of 5th parameter from
15681         int to enum built_in_function. Change type of 8th parameter from int
15682         to bool.
15683         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
15684         with GGC_CNEW().
15685         * c-typeck.c (convert_arguments): Change type of formal_prec from
15686         int to unsigned int.
15687         * genmodes.c (blank_mode): Make a few negative constants unsigned.
15688         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
15689         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
15690         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
15691         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
15692         iterator to for_all_modes () instead of an enum because enums can't
15693         be incremented in C++.
15694
15695
15696 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
15697
15698         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
15699         hard registers.
15700
15701 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15702
15703         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
15704         Handle ARRAY_RANGE_REF like ARRAY_REF.
15705
15706 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
15707
15708         * c-typeck.c (digest_init): Don't allow arrays of signed or
15709         unsigned variants of wchar_t to be initialized by wide string
15710         constants.  Do allow arrays of enumerated types compatible with
15711         wchar_t to be initialized by wide string constants.  Refine tests
15712         distinguishing wide and narrow strings and arrays.  Give specific
15713         error for arrays of other integer types initialized by string
15714         constants.
15715         (output_init_element, process_init_element): Check for
15716         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
15717         initializing with string constants.
15718
15719 2004-07-25  Richard Henderson  <rth@redhat.com>
15720
15721         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
15722         on the RESULT_DECL.
15723         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
15724         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
15725         DECL_IGNORED_P to new decl.
15726
15727 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
15728
15729         * config/ia64/ia64.c (general_xfmode_operand)
15730         (destination_xfmode_operand): Delete.
15731         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
15732         * config/ia64/ia64.md (*movxf_internal): Use general_operand
15733         and destination_operand.
15734
15735 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
15736
15737         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
15738         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
15739
15740 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
15741             Zack Weinberg  <zack@codesourcery.com
15742
15743         PR 16684
15744         * c-decl.c (diagnose_mismatched_decls): Don't issue a
15745         redundant-declaration warning the first time a builtin is
15746         declared explicitly.
15747
15748 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15749
15750         * tree.h (staticp): Change return type to bool.
15751
15752 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15753
15754         * c-common.c (c_staticp): Last episode of the staticp saga.
15755
15756 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15757
15758         * c-common.h (c_staticp): Change return type from int to bool.
15759         * tree.c (staticp): Likewise.
15760         * langhooks.h (staticp): Likewise.
15761
15762 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15763
15764         * langhooks-def.h (lhd_staticp): Change return type from int to
15765         bool in prototype to match definition.
15766
15767 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15768
15769         * system.h (bool, true, false): Don't redefine as preprocessor macros
15770         in C++.
15771
15772 2004-07-24  Roger Sayle  <roger@eyesopen.com>
15773
15774         * expmed.c (init_expmed): A signed modulus by a power of two is
15775         considered cheap if its less than or equal to four instructions.
15776
15777 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15778
15779         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
15780         GGC_CNEWVAR): New macros.
15781
15782 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
15783
15784         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
15785         lists.
15786         * c-decl.c: Likewise.
15787         * c-format.c: Likewise.
15788         * c-lex.c: Likewise.
15789         * c-opts.c: Likewise.
15790         * c-pragma.c: Likewise.
15791         * c-typeck.c: Likewise.
15792         * gencheck.c: Likewise.
15793         * genconditions.c: Likewise.
15794         * genconfig.c: Likewise.
15795         * genflags.c: Likewise.
15796         * gengtype.c: Likewise.
15797         * gensupport.c: Likewise.
15798         * ggc-none.c: Likewise.
15799         * langhooks.c: Likewise.
15800         * statistics.h: Likewise.
15801         * stub-objc.c: Likewise.
15802         * java/decl.c: Likewise.
15803
15804 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
15805
15806         * config/m68k/m68k.c (output_scc_di): Fix coding style.
15807         (symbolic_operand): Fix prototype.
15808         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
15809         * config/m68k/m68k.md: Add constants for registers a0 and sp and
15810         use them, change from the "{...}" syntax to the simpler {...}
15811         syntax.
15812         (*cfv4_extendqisi2): Fix destination predicate.
15813         * config/m68k/m68k-protos.h: Remove various declarations also
15814         generated via PREDICATE_CODES.
15815
15816 2004-07-23  Mike Stump  <mrs@apple.com>
15817
15818         * c-typeck.c (convert_for_assignment): Tightened up pointer
15819         converstions that differ in signedness.
15820
15821 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
15822
15823         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
15824
15825 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15826
15827         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
15828         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
15829
15830         * gimplify.c (gimplify_compound_lval): Check for no handled
15831         operations, rather than checking for explicit list of nodes.
15832         (is_gimple_addr_expr_arg_or_indirect): New function.
15833         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
15834         redundant setting of TREE_INVARIANT.
15835         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
15836         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
15837
15838 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
15839
15840         PR tree-optimization/16688
15841         PR tree-optimization/16689
15842         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
15843         unnecessary initialization of 'tag'.
15844         (get_tmt_for): Check that the new type tag has the same alias
15845         set as the pointed-to type.
15846         (group_aliases): Only regular variables need to be removed
15847         from the alias set of a name tag.
15848         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
15849         propagation if the two types are not compatible.
15850         (merge_alias_info): Rename from replace_ssa_names_ann.
15851         Add more checking.
15852         (replace_exp_1): If both arguments are SSA_NAMEs, check that
15853         the propagation can be done.
15854         Only call merge_alias_info on pointers.
15855         (propagate_value): Likewise.
15856         * tree-ssa-copyrename.c: Include langhooks.h.
15857         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
15858         to do the merging.
15859         Do not coalesce variables with incompatible types.
15860         (rename_ssa_copies): Call replace_ssa_name_symbol.
15861         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
15862         the same type as the underlying _DECL.
15863         * tree-ssanames.c (replace_ssa_name_symbol): New function.
15864         * tree.h (replace_ssa_name_symbol): Declare.
15865
15866 2004-07-23  Richard Henderson  <rth@redhat.com>
15867
15868         PR c++/16277
15869         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
15870         unshare it properly.
15871         (gimplify_modify_expr_rhs): Push assignment from a conditional into
15872         the conditional for all non-register types.
15873
15874 2004-07-23  Richard Henderson  <rth@redhat.com>
15875
15876         * expr.c (expand_expr_real_1): Don't handle non-local variables.
15877         * expr.h (fix_lexical_addr): Remove.
15878         * function.c (NEED_SEPARATE_AP): Remove.
15879         (fix_lexical_addr): Remove.
15880         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
15881         not null decl_function_context.
15882         (create_alias_vars): Likewise.
15883         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
15884         (simple_goto_p): Likewise.
15885         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
15886         * tree-ssa-ccp.c (get_default_value): Likewise.
15887         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
15888         * tree.c (needs_to_live_in_memory): Likewise.
15889         * tree-flow-inline.h (may_be_aliased): Move...
15890         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
15891         when TREE_STATIC variables may be addressable.
15892
15893 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
15894
15895         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
15896
15897 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
15898
15899         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
15900         bitmap contents if GENERATOR_FILE is defined.
15901         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
15902         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
15903
15904 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
15905
15906         * c-decl.c (start_function): Form composite type of function types
15907         rather than copying type from previous prototype declaration.
15908
15909 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
15910
15911         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
15912         the const qualifier for the second argument in the C++ functions.
15913
15914         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
15915         specific pointer types.
15916
15917         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
15918         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
15919         for vector bool and/or vector pixel, add C++ and C missing support.
15920         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
15921         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
15922         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
15923         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
15924         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
15925         missing C++ and C support for vector bool and/or vector pixel.
15926         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
15927         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
15928         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
15929         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
15930         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
15931         C++ and C types used for vector bool and/or vector pixel.
15932         (vec_st, vec_stl): Add C++ support for vector pixel.
15933         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
15934         (vec_all_ne): Add C++ support for vector pixel.
15935
15936         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
15937         (vec_vmulesb): Add missing C++ function.
15938         (vec_perm): Fix type of third argument in C++ function.
15939         (vec_vsum4shs): Fix C++ function name.
15940         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
15941         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
15942         argument passed to the error handler in C macro.
15943         (vec_nmsub): Remove extra parens around argument names in C macro.
15944         (vec_packpx): Add missing parens in C macro.
15945
15946 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
15947
15948         * machmode.def: Remove vector modes.
15949         * config/alpha/alpha-modes.def: Add supported vector modes.
15950         * config/arm/arm-modes.def: Likewise.
15951         * config/frv/frv-modes.def: Likewise.
15952         * config/i386/i386-modes.def: Likewise.
15953         * config/rs6000/rs6000-modes.def: Likewise.
15954         * config/sh/sh-modes.def: Likewise.
15955
15956 2004-07-23  Matthias Klose  <doko@debian.org>
15957
15958         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
15959         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
15960         * config.h: Regenerate.
15961         * configure: Likewise.
15962
15963 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
15964
15965         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
15966         generated SYMBOL_REFs for labels.
15967         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
15968         Change prototype.
15969         (machopic_stub_name): Remove.
15970         (machopic_indirection_name): New function.
15971         (machopic_mcount_stub_name): Likewise.
15972         (machopic_classify_name): Remove.
15973         (machopic_function_base_sym): New function.
15974         (machpoic_classify_symbol): Likewise.
15975         (machopic_classify_ident): Remove.
15976         (machopic_define_ident): Likewise.
15977         (machopic_define_name): Likewise.
15978         (machopic_name_defined_p): Likewise.
15979         (machopic_ident_defined_p): Likewise.
15980         (darwin_strip_name_encoding): Likewise.
15981         (machopic_define_symbol): New function.
15982         * config/darwin.c (hashtab.h): Include.
15983         (machopic_defined_list): Remove.
15984         (machopic_classify_ident): Likewise.
15985         (machopic_classify_name): Likewise.
15986         (machopic_ident_defined_p): Likewise.
15987         (machopic_define_ident): Likewise.
15988         (machopic_define_name): Likewise.
15989         (machopic_symbol_defined_p): New function.
15990         (machopic_classify_symbol): Likewise.
15991         (machopic_data_defined_p): Use machopic_classify_symbol.
15992         (machopic_define_symbol): New function.
15993         (machopic_function_base_sym): New function.
15994         (machopic_non_lazy_pointers): Remove.
15995         (machopic_non_lazy_ptr_name): Likewise.
15996         (machopic_stubs): Likewise.
15997         (machopic_stub_name): Likewise.
15998         (NON_LAZY_POINTER_SUFFIX): New macro.
15999         (STUB_SUFFIX): Likewise.
16000         (machopic_indirection): New structure.
16001         (machopic_indirections): New variable.
16002         (machopic_indirection_hash): New function.
16003         (machopic_indirection_eq): Likewise.
16004         (machopic_indirection_name): Likewise.
16005         (machopic_mcount_stub_name): New function.
16006         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
16007         hash table.
16008         (machopic_indirect_data_reference): Rework to use new functions.
16009         (machopic_indirect_call_target): Likewise.
16010         (machopic_legitimize_pic_address): Likewise.
16011         (machopic_output_indirection): New function.
16012         (machopic_finish): Use it.
16013         (machopic_operand_p): Rework to use new functions.
16014         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
16015         (darwin_strip_name_encoding): Remove.
16016         (update_non_lazy_ptrs): Remove.
16017         (update_stubs): Likewise.
16018         (darwin_non_lazy_pcrel): Use new functions.
16019         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
16020         (ASM_OUTPUT_LABELREF): Likewise.
16021         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
16022         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
16023         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
16024         (TARGET_STRIP_NAME_ENCODING): Do not use
16025         darwin_strip_name_encoding.
16026         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
16027         darwin_strip_name_encoding.
16028         * config/i386/darwin.h (FUNCTION_PROFILER): Use
16029         machopic_mcount_stub_name.
16030         * config/i386/i386.c (x86_output_mi_thunk): Use
16031         machopic_indirection_name, not machopic_stub_name.
16032         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
16033         machopic_function_base_sym.
16034         (print_operand): Use machopic_classify_symbol.
16035         (rs6000_emit_prologue): Use machopic_function_base_sym.
16036         (output_profile_hook): Do not use machopic_stub_name.
16037         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
16038
16039 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
16040
16041         PR c/7284
16042         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
16043         as multiplication.
16044
16045 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
16046
16047         * doc/implement-c.texi: New file.
16048         * doc/extend.texi (C Implementation): Move to there.
16049         * doc/gcc.texi: Include implement-c.texi.
16050         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
16051
16052 2004-07-22  Jason Merrill  <jason@redhat.com>
16053
16054         * integrate.c (copy_decl_for_inlining): Remove invisible reference
16055         handling.
16056         * tree-inline.c (setup_one_parameter): Likewise.
16057
16058 2004-07-22  Brian Booth  <bbooth@redhat.com>
16059
16060         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
16061         (substitute_and_fold): Propigate into VUSE operands when possible.
16062         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
16063         (cp_lattice_meet): Handle merging of latticevalues when
16064         UNKNOWN_VAL is present.
16065         (visit_stmt): Visit assignments with V_MUST_DEFs.
16066         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
16067         (ccp_fold): Deal with RHS' that are constant and virtual.
16068         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
16069         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
16070         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
16071         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
16072         computing immediate uses.
16073         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
16074         transition.
16075         (replace_vuse_in): New function.
16076         (likely_value): Add check of vuse operands.
16077         (get_default_value): Set the default value of virtually defined
16078         variables to UKNOWN_VAL instead of VARYING.
16079
16080 2004-07-22  Richard Henderson  <rth@redhat.com>
16081
16082         * expr.c (emit_push_insn): Don't use set_mem_attributes.
16083
16084 2004-07-22  Richard Henderson  <rth@redhat.com>
16085
16086         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
16087         variables due to conditional compilation.
16088
16089 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
16090
16091         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
16092         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
16093         Release SSA names that have been re-renamed.
16094         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
16095         variable.
16096         * tree-ssa-alias.c (init_alias_info): If aliases have been
16097         computed before, clear existing alias information.
16098         (create_name_tags): Do no fixup PT_ANYTHING pointers.
16099         If the new name tag for a pointer is different than the one it
16100         had before, mark the old tag for renaming.
16101         (replace_may_alias): New function.
16102         (group_aliases): Call it.
16103         (setup_pointers_and_addressables): Always call get_tmt_for.
16104         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
16105         once.
16106         (set_pt_anything): New local function.
16107         (set_pt_malloc): New local function.
16108         (merge_pointed_to_info): Don't merge pointed-to variables from
16109         the original pointer if the destination is pointing to an
16110         unknown location.
16111         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
16112         (add_pointed_to_var): Do not add a variable to the points-to
16113         set if the pointer is already pointing to anywhere.
16114         (collect_points_to_info_r): If the defining statement is a PHI
16115         node, only merge pointed-to information if the argument has
16116         already been visited.
16117         (get_tmt_for): Only create a new tag if the pointer didn't
16118         have one already.
16119         (dump_alias_info): Emit more information.
16120         (dump_points_to_info_for): Likewise.
16121         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
16122         try to get the annotation of an SSA_NAME.
16123         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
16124         alias sets when checking is enabled.
16125         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
16126         (eliminate): Mark basic blocks that will need
16127         EH information cleaned up.
16128         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
16129         predecessor.
16130         Initialize need_eh_cleanup.
16131         (fini_pre): Call tree_purge_all_dead_eh_edges and
16132         cleanup_tree_cfg if needed.
16133         Free need_eh_cleanup.
16134         * tree-ssa.c (verify_ssa_name): New function.
16135         (verify_def): Call it.
16136         Re-arrange to avoid printing too many error messages.
16137         (verify_use): Likewise.
16138         (verify_phi_args): Likewise.
16139         (verify_flow_insensitive_alias_info): New function.
16140         (verify_flow_sensitive_alias_info): New function.
16141         (verify_alias_info): New function.
16142         (verify_ssa): Call verify_alias_info.
16143         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
16144         program.
16145         Re-arrange to avoid printing too many error messages.
16146         * tree-ssanames.c (make_ssa_name): Clear
16147         SSA_NAME_IN_FREE_LIST.
16148         (release_ssa_name): Never release a default definition.
16149         (release_defs): New function.
16150         * tree.h: Declare it.
16151         * tree-ssa-dce.c (remove_dead_stmt): Call it.
16152
16153 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
16154
16155         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
16156         If true, do a depth-first search.  Do a breadht-first search,
16157         otherwise.
16158         (walk_use_def_chains): Add new argument IS_DFS.
16159         Update all users.
16160         * tree-flow.h (walk_use_def_chains): Update prototype.
16161
16162 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
16163
16164         * config/cris/cris.md: Tweak formatting.
16165         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
16166         (mover2side, moverside, movemside, movei, op3, andu): Replace
16167         live define_peephole:s with define_peephole2 near-equivalents.
16168         Delete the rest.
16169         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
16170         word-size modes.
16171         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
16172         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
16173         "*mov_sidesi_mem" respectively.
16174
16175 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
16176
16177         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
16178         (gimplify_build1): Move from tree-complex.c do_unop.
16179         (gimplify_build2): Move from tree-complex.c do_binop.
16180         (gimplify_build3): New.
16181         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
16182         Adjust throughout to call the functions above.
16183         * tree-flow.h: Declare the functions above.
16184         * tree-nested.c (gimplify_val): Rename to...
16185         (tsi_gimplify_val): ... this.
16186
16187         * Makefile.in (tree_complex.o): Update dependencies.
16188         (stor-layout.o): Depend on regs.h.
16189         * c-common.c (handle_vector_size_attribute): Update for
16190         vector types without corresponding vector modes.
16191         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
16192         a corresponding vector mode is not available.
16193         * print-tree.c (print_node): Print nunits for vector types
16194         * regclass.c (have_regs_of_mode): New.
16195         (init_reg_sets_1): Initialize it and use it instead
16196         of allocatable_regs_of_mode.
16197         * regs.h (have_regs_of_mode): Declare it.
16198         * stor-layout.c (layout_type): Pick a mode for vector types.
16199         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
16200         build_replicated_const, do_unop, do_binop, do_plus_minus,
16201         do_negate, expand_vector_piecewise, expand_vector_parallel,
16202         expand_vector_addition, expand_vector_operations_1,
16203         expand_vector_operations, tree_lower_operations,
16204         pass_lower_vector_ssa, pass_pre_expand): New.
16205         (expand_complex_operations, pass_lower_complex): Remove.
16206         * tree-optimize.c (init_tree_optimization_passes): Adjust
16207         pass ordering for changes in tree-complex.c.
16208         * tree-pass.h: Declare new passes.
16209         * tree.c (finish_vector_type): Remove.
16210         (make_vector_type): New.
16211         (build_vector_type_for_mode, build_vector_type): Rewritten.
16212         * tree.def (VECTOR_TYPE): Document where the number of
16213         subparts is stored.
16214         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
16215         (make_vector): Remove declaration.
16216
16217 2004-07-21  Richard Henderson  <rth@redhat.com>
16218
16219         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
16220         TREE_THIS_VOLATILE, may_aliases, or optimization level.
16221         (remove_useless_vars): Dump debugging info.
16222         (expand_used_vars): Move ...
16223         * cfgexpand.c (expand_used_vars): ... here.  Make static.
16224         * tree-flow-inline.h (set_is_used): New.
16225         (set_default_def): Use get_var_ann.
16226         * tree-flow.h: Update decls.
16227         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
16228         (create_ssa_var_map): Use it.
16229         * tree-ssa.c (set_is_used): Remove.
16230
16231 2004-07-22  Ben Elliston  <bje@au.ibm.com>
16232
16233         * gdbinit.in: Set a breakpoint on internal_error.
16234
16235 2004-07-21  Richard Henderson  <rth@redhat.com>
16236
16237         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
16238         to create a new basic block.
16239
16240 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
16241
16242         PR c/15052
16243         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
16244         return type on function definitions.  Move other warnings for
16245         qualified return type to -Wreturn-type.  Do not condition any such
16246         warnings on -pedantic.  Update comments.
16247         (start_function): Only copy function type from previous prototype
16248         declaration if return types are compatible.
16249         * c-typeck.c (function_types_compatible_p): Don't condition
16250         warning for incompatibility of volatile qualifiers on the return
16251         type on -pedantic.  Update comment.
16252         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
16253
16254 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
16255
16256         * c-typeck.c (set_init_index): Require designator to be of integer
16257         type.
16258
16259 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
16260
16261         PR c/11250
16262         * c-parse.in (init): Change to exprtype.
16263         (primary): Set original_code for STRING to STRING_CST.
16264         Call maybe_warn_string_init for compound literals.
16265         (initdcl, notype_initdcl): Call maybe_warn_string_init.
16266         (initval): Update.
16267         * c-tree.h (maybe_warn_string_init): New.
16268         (pop_init_level, process_init_element): Use struct c_expr.
16269         (struct c_expr): Update comment.
16270         * c-typeck.c (maybe_warn_string_init): New function.
16271         (digest_init): Call it.  Additional parameter strict_string.  All
16272         callers changed.
16273         (output_init_element): Likewise.
16274         (struct constructor_stack): Use struct c_expr for
16275         replacement_value.
16276         (really_start_incremental_init, push_init_level): Update.
16277         (pop_init_level): Update.  Return struct c_expr.
16278         (process_init_level): Update.  Take struct c_expr argument.
16279
16280 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
16281
16282         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
16283         commit.
16284
16285 2004-07-21  Eric Christopher  <echristo@redhat.com>
16286
16287         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
16288         removal.
16289         * c-decl.c (pop_scope): Ditto.
16290         * calls.c (expand_call): Remove call to current_nesting_level,
16291         update comment accordingly. Remove calls to expand_start_target_temps
16292         and expand_end_target_temps.
16293         * cfgexpand.c (construct_init_block): Remove call to
16294         expand_start_bindings_and_block.
16295         (construct_exit_block): Remove call to expand_end_bindings.
16296         * expr.c (safe_from_p): Remove BIND_EXPR handling.
16297         (expand_expr_real_1): Ditto. Fix formatting.
16298         (expand_vars): Delete.
16299         * stmt.c (POPSTACK): Remove block_stack.
16300         (stmt_status): Remove x_block_stack.
16301         (block_stack): Delete.
16302         (expand_start_bindings_and_block): Ditto.
16303         (expand_start_target_temps): Ditto.
16304         (expand_end_target_temps): Ditto.
16305         (current_nesting_level): Ditto.
16306         (warn_about_unused_variables): Ditto.
16307         (expand_end_bindings): Ditto.
16308         * tree.h: Remove declarations for above.
16309
16310 2004-07-21  Steven Bosscher  <stevenb@suse.de>
16311
16312         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
16313         * rtl.c (note_insn_name): Likewise.
16314         * print-rtl.c (print_rtx): Don't print it.
16315         * cfgrtl.h (can_delete_note_p): Don't handle it.
16316         (rtl_delete_block): Likewise.
16317         * passes.c (rest_of_handle_guess_branch_prob): Remove.
16318         (rest_of_compilation): Don't call it.
16319         * predict.c (process_note_predictions, process_note_prediction,
16320         note_prediction_to_br_prob): Remove.
16321         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
16322         * stmt.c (return_prediction): Remove.
16323         (expand_value_return): Don't call it.  Don't add prediction
16324         notes for return statements.
16325
16326 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
16327
16328         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
16329         once.
16330
16331 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
16332
16333         * c-common.c (vector_types_convertible_p): Use vector types'
16334         TYPE_SIZE and TREE_TYPE instead of their mode.
16335         * convert.c (convert_to_integer): Likewise.
16336         (convert_to_vector): Likewise.
16337         * fold-const.c (fold_convert): Likewise.
16338         * varasm.c (output_constant): Likewise.
16339         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
16340         Allow a VECTOR_TYPE initializer to be made of several vectors.
16341         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
16342         of cleared and need_to_clear, and use fold_convert.
16343         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
16344         integer vectors.
16345
16346 2004-07-20  Richard Henderson  <rth@redhat.com>
16347
16348         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
16349         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
16350
16351 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
16352
16353         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
16354         enormous cost if not TARGET_HARD_MUL.
16355
16356 2004-07-20  Andrew Pinski  <apinski@apple.com>
16357
16358         PR target/16557
16359         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
16360         (ASM_SPEC): here.
16361
16362 2004-07-21  Paul brook  <paul@codesourcery.com>
16363
16364         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
16365
16366 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16367
16368         * fold-const.c (operand_equal_p): Temporarily support NULL args.
16369         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
16370         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
16371
16372 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
16373
16374         * rtl.h (plus_constant): Delete.
16375         (plus_constant_wide): Rename to plus_constant.
16376         (plus_constant_for_output_wide): Delete vestigial prototype.
16377         (GEN_INT): Remove unnecessary cast.
16378         * tree.h (build_int_2, size_int_type): Delete.
16379         (build_int_2_wide): Rename to build_int_2.
16380         (size_int_wide): Rename to size_int_kind.
16381         (size_int_type_wide): Rename to size_int_type.
16382         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
16383         Remove unnecessary cast.
16384         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
16385         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
16386         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
16387         (size_int_type_wide): Rename size_int_type.
16388         (int_const_binop): Use size_int_type.
16389         * c-lex.c (interpret_integer): Use build_int_2.
16390         * final.c (split_double): Remove unnecessary casts.
16391         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
16392
16393 2004-07-20  Richard Henderson  <rth@redhat.com>
16394
16395         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
16396         (gimplify_compound_lval): Use is_gimple_tmp_reg.
16397         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
16398         (is_gimple_tmp_reg): New.
16399         * tree-gimple.h (is_gimple_tmp_reg): Declare.
16400
16401 2004-07-20  Richard Henderson  <rth@redhat.com>
16402
16403         * tree-pretty-print.c (dump_generic_node): Dump
16404         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
16405
16406 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
16407
16408         * tree-mudflap.c (mf_set_options_fndecl): New tree.
16409         (mudflap_init): Set it.
16410         (mudflap_register_call): Remove __mf_init call.
16411         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
16412         to pass "-ignore-reads" option to libmudflap if needed.
16413
16414 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
16415
16416         PR c++/14607
16417         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
16418         (MAKE_DECL_ONE_ONLY): Undefine.
16419         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
16420         readonly_data, one_only_data_section, forget_section): New prototypes.
16421         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
16422         functions.
16423         (pa_select_section): Add one-only (COMDAT) support.
16424         * pa.h (struct machine_function): Define.
16425         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
16426         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
16427         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
16428         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
16429         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
16430         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
16431         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
16432         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
16433         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
16434         for EXTRA_SECTION_FUNCTIONS.
16435         * doc/install.texi: Update binutils requirements.
16436
16437 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
16438
16439         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
16440         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
16441         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
16442         size_t.
16443         (struct VEC): Use unsigned for num and alloc.
16444         * vec.c (struct vec_prefix): Likewise.
16445         (vec_o_reserve): Adjust.
16446
16447         * dbxout.c (dbxout_type): Fix printf format.
16448
16449         * tree.h (binfo_member): Remove.
16450         * tree.c (binfo_member): Remove.
16451
16452 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
16453
16454         * tree.h: Include vec.h
16455         (DEF_VEC_P(tree)): New type.
16456         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
16457         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
16458         (BINFO_LANG_SLOT): Remove.
16459         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
16460         (struct tree_binfo): Turn base_binfos into a trailing
16461         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
16462         (binfo_lang_slots): Remove.
16463         * tree.c (binfo_lang_slots): Remove.
16464         (make_tree_binfo_stat): Take a base binfo count, not a
16465         lang slot count.  Adjust.
16466         * Makefile.in (TREE_H): Add vec.h
16467         * alias.c (record_component_aliases): Adjust BINFO access.
16468         * dbxout.c (dbxout_type): Likewise.
16469         * dwarf2out.c (gen_member_die): Likewise.
16470         * sdbout.c (sdbout_one_type): Likewise.
16471         * tree-dump.c (deque_and_dump): Likewise.
16472         * config/i386/i386.c (classify_argument,
16473         contains_128bit_aligned_vector_p): Likewise.
16474         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
16475         * doc/c-tree.texi (Classes): Update BINFO documentation.
16476
16477 2004-07-20  Steven Bosscher  <stevenb@suse.de>
16478
16479         * c-common.h (check_case_value): Remove prototype.
16480         (c_add_case_label): Adjust prototype.
16481         * c-common.c (check_case_value): Make static.
16482         (check_case_bounds): New function.
16483         (c_add_case_label): Use it.  Take new argument orig_type.
16484         * c-typeck.c (struct c_switch): New orig_type field.
16485         (c_start_case): Set it.
16486         (do_case): Pass it to c_add_case_label.
16487         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
16488         cases from here.  Add the labels in reverse order.
16489         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
16490         (add_case_node): Return nothing, don't check for duplicate cases.
16491         Insert new case nodes in a list, not in an AVL tree.
16492         (expand_end_case_type): Don't turn a case tree into a case list.
16493         (case_tree2list): Remove.
16494         * tree.h (add_case_node): Adjust prototype.
16495
16496 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
16497
16498         * genattr.c (struct range, struct function_unit,
16499         write_units, extend_range, init_range): Remove them.
16500         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
16501         Output "#define INSN_SCHEDULING" here.
16502         * genattrtab.c (struct range, struct function_unit_op,
16503         struct function_unit, struct dimension, enum operator,
16504         operate_exp, expand_units, simplify_knowing,
16505         encode_units_mask, simplify_by_exploding,
16506         find_and_mark_used_attributes, unmark_used_attributes,
16507         add_values_to_cover, increment_current_value,
16508         test_for_current_value, simplify_with_current_value,
16509         simplify_with_current_value_aux, gen_unit,
16510         write_unit_name, write_function_unit_info,
16511         write_complex_function, write_toplevel_expr,
16512         find_single_value, extend_range): Remove.
16513         (write_attr_get): Do not handle common_av->value
16514         being an FFS.
16515         (struct attr_desc): Remove func_units_p and blockage_p.
16516         (write_attr_valueq): Do not handle them.
16517         (find_attr): Do not clear them.
16518         (make_internal_attr): Do not initialize them.
16519         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
16520         * sched-vis.c (init_target_units, insn_print_units,
16521         init_block_visualization, print_block_visualization,
16522         visualize_scheduled_insns, visualize_no_unit,
16523         visualize_stall_cycles, visualize_alloc,
16524         visualize_free, target_units, get_visual_tbl_length,
16525         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
16526         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
16527         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
16528         * haifa-sched.c (blockage_range, clear_units,
16529         schedule_unit, actual_hazard, potential_hazard,
16530         insn_unit, unit_last_insn, unit_tick,
16531         actual_hazard_this_instance, potential_hazard,
16532         schedule_unit, max_insn_queue_index_value): Remove.
16533         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
16534         max_insn_queue_index.
16535         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
16536         * doc/md.texi (Processor pipeline description): Remove
16537         references to old pipeline descriptions.
16538         (Automaton pipeline description): Merge with the above.
16539         (Old pipeline description, Comparison of the two descriptions):
16540         Remove.
16541
16542         * bt-load.c (migrate_btr_def): Remove references to
16543         use_pipeline_interface.
16544         * haifa-sched.c (insn_cost, schedule_insn,
16545         schedule_block, advance_one_cycle, sched_init,
16546         queue_to_ready, sched_finish): Likewise.
16547         * modulo-sched.c (sms_schedule, advance_one_cycle,
16548         ps_has_conflicts): Likewise.
16549         * sched-rgn.c (init_ready): Likewise.
16550         (debug_dependencies): Likewise, and remove an "if (1)".
16551         * target.h (use_dfa_pipeline_interface): Remove.
16552         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16553         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16554         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16555         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16556         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16557         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16558         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16559         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16560         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16561         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16562         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16563         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16564         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16565         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16566         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16567         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16568         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16569         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16570         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
16571
16572 2004-07-19  Roger Sayle  <roger@eyesopen.com>
16573
16574         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
16575
16576 2004-07-19  Jeff Law  <law@redhat.com>
16577
16578         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
16579         (get_eq_expr_value): Use it.  Simplify slightly.
16580
16581 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
16582
16583         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
16584         (umulsidi3_32bit_r4000): Likewise.
16585
16586 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
16587
16588         * vec.h: Propagate location information properly.
16589         (VEC_T_iterate): Add result pointer parameter.
16590         (VEC_T_space): New.
16591         (VEC_T_reserve): Use it.
16592
16593 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
16594
16595         * Makefile.in (c-format.o): Depend on c-format.h.
16596         * c-format.h: New file.
16597         (struct format_char_info): Add CHAIN member.
16598         * c-format.c: Move some types and constants to c-format.h.
16599         (format_type_error): Set to -1.
16600         (struct function_format_info): Use an int for format_type.
16601         (decode_format_type): Return an int.  Return format_type_error
16602         on error.
16603         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
16604         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
16605         (scan_char_table, time_char_table, monetary_char_table): Initialize
16606         CHAIN to NULL.
16607         (n_format_types): New variable.
16608         (check_format_info_main): Handle CHAIN in format_char_info.
16609         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
16610         TARGET_N_FORMAT_TYPES.
16611         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
16612         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
16613         * config/sol2-c.c: New file.
16614         * config/t-sol2: New file.
16615         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
16616         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
16617         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
16618
16619         * doc/extend.texi (Target Format Checks): New section.
16620         (Function Attributes): Mention it.
16621         * doc/invoke.texi: Mention target format checks.
16622         * doc/sourcebuild.texi: Mention target format checks.
16623         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
16624         TARGET_FORMAT_TYPES.
16625
16626 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
16627
16628         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
16629         added.
16630         * config/s390/s390.c (regclass_map initializer): Register 35 added to
16631         ADDR_REGS.
16632         (load_multiple_operation, store_multiple_operation): Removed
16633         pointless sanity check.
16634         (s390_decompose_address): Added check for return_address_pointer_rtx.
16635         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
16636         (s390_return_address_offset): New function.
16637         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
16638         (FRAME_REGNO_P): Added check for register 35.
16639         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
16640         REG_ALLOC_ORDER): Appended entry for register 35.
16641         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
16642         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
16643         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
16644         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
16645         is eliminable using stack pointer or hard frame pointer.
16646         (REGISTER_NAMES): Added name for register 35.
16647         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
16648         pointless sanity check.
16649
16650 2004-07-19  Roger Sayle  <roger@eyesopen.com>
16651
16652         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
16653         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
16654         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
16655         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
16656         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
16657         (fold_relational_const): Tidy up handling of floating point
16658         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
16659         transformation; fold_relational_const assumes constant operands.
16660
16661 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
16662
16663         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
16664         directory.
16665
16666 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
16667
16668         * c-tree.h (struct c_expr): Define.
16669         (C_SET_EXP_ORIGINAL_CODE): Remove.
16670         (parser_build_binary_op, build_compound_expr): Update prototypes.
16671         * c-parse.in (%union): Add exprtype.
16672         (FUNC_NAME): Mark as ttype.
16673         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
16674         exprtype.
16675         (expr): Update.  Define directly in terms of expr_no_commas
16676         instead of using nonnull_exprlist.
16677         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
16678         offsetof_member_designator, typespec_nonreserved_nonattr, init,
16679         initval, designator, component_declarator,
16680         component_notype_declarator, enumerator, array_declarator,
16681         condition, exexpr, switch_statement, stmt_nocomp, stmt,
16682         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
16683         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
16684         where appropriate.
16685         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
16686         * c-common.c (c_common_truthvalue_conversion): Don't check
16687         C_EXP_ORIGINAL_CODE.
16688         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
16689         Don't use C_EXP_ORIGINAL_CODE.
16690         (default_conversion, default_function_array_conversion): Don't use
16691         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
16692         (internal_build_compound_expr): Merge into build_compound_expr.
16693         (build_compound_expr): Take two operands instead of a TREE_LIST.
16694         * objc/objc-act.c (get_super_receiver): Update calls to
16695         build_compound_expr.
16696
16697 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
16698
16699         * config/sh/sh.c (sh_use_dfa_interface): Remove.
16700         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
16701         hook_int_void_1.
16702         * config/sh/sh.md: Extract pipeline descriptions
16703         into separate files.
16704         * config/sh/sh1.md: New file, extracted from sh.md.
16705         * config/sh/sh4.md: New file, extracted from sh.md.
16706         * config/sh/shmedia.md: New file, extracted from sh.md
16707         and rewritten using new-style pipeline description.
16708
16709 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
16710
16711         * config/pa/pa.md: Delete the two remaining define_peephole
16712         patterns.
16713
16714 2004-07-18  Steven Bosscher  <stevenb@suse.de>
16715             Joseph S. Myers  <jsm@polyomino.org.uk>
16716
16717         * c-common.c (c_common_truthvalue_conversion): Don't warn if
16718         TREE_NO_WARNING is set.
16719
16720 2004-07-18  Roger Sayle  <roger@eyesopen.com>
16721
16722         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
16723         simplify_builtin_strncmp): Delete.
16724         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
16725         Change argument to accept an arglist instead of an "exp".  Assume
16726         that the return type is always integer_type_node.  Copy missing
16727         transformations from their now obsolete simplify_builtin_*
16728         equivalents.
16729         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
16730         fold_builtin_strcmp and fold_builtin_strncmp.
16731         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
16732         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
16733         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
16734
16735 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
16736
16737         * Makefile.in (tree-alias-common.o): Update dependencies.
16738
16739 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
16740
16741         * cfgloop.c (flow_loop_nested_p): Fix comment.
16742
16743 2004-07-17  Jason Merrill  <jason@redhat.com>
16744
16745         PR c++/16115
16746         * stor-layout.c (relayout_decl): New fn.
16747         * tree.h: Declare it.
16748         (DECL_BY_REFERENCE): New macro.
16749
16750 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
16751
16752         * libgcc2.c (__enable_execute_stack): New symbol.
16753         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
16754         and declare __enable_execute_stack.
16755         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
16756         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
16757         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
16758         ENABLE_EXECUTE_STACK.
16759         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
16760         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
16761         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
16762         ENABLE_EXECUTE_STACK.
16763         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16764         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
16765         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
16766         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
16767         ENABLE_EXECUTE_STACK.
16768         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16769         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16770         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16771         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
16772         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
16773         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
16774         (sparc64_initialize_trampoline): Likewise.
16775         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
16776
16777 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
16778
16779         * langhooks.h (builtin_function): New langhook.
16780         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
16781         (LANG_HOOKS_INITIALIZER): Update.
16782         * tree.h (builtin_function): Remove.
16783         * doc/tm.texi: Update.
16784         * c-tree.h (builtin_function): Declare.
16785         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
16786         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
16787         config/ia64/ia64.c, config/iq2000/iq2000.c,
16788         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
16789         config/stormy16/stormy16.c: All callers of builtin_function
16790         changed.
16791
16792 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
16793
16794         PR target/16556
16795         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
16796         Remove white space after the backslash.
16797
16798 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
16799
16800         PR rtl-optimization/16294
16801         * resource.c (return_insn_p): New predicate.
16802         (mark_target_live_regs): Use it.  Special-case return insns.
16803         (init_resource_info): Use it.  Don't scan the epilogue past
16804         a return.
16805
16806 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16807
16808         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
16809         destroy dominance information.
16810         * passes.c (rest_of_handle_loop2):  Free dominance information.
16811         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
16812         jump threading.
16813         (thread_jumps): Update dominance information and remove unreachable
16814         blocks.
16815         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
16816         information and remove the unreachable block.
16817
16818 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
16819
16820         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
16821
16822 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
16823
16824         * doc/sourcebuild.texi: Remove libf2c entry.
16825
16826 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
16827
16828         * config/i386/i386.md (movv16qi_internal): Fix typo.
16829
16830 2004-07-17  Steven Bosscher  <stevenb@suse.de>
16831
16832         * final.c (final_scan_insn): Fix broken commit from previous
16833         patch.
16834
16835 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
16836
16837         * c-typeck.c (parser_build_binary_op): Condition warnings for
16838         X<=Y<=Z on -Wparentheses instead of -Wextra.
16839         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
16840         supported for C only.
16841
16842 2004-07-17  Steven Bosscher  <stevenb@suse.de>
16843
16844         * cfgcleanup.c (try_simplify_condjump): Don't remove line
16845         notes to avoid unreachable code warnings.
16846         * toplev.c (backend_init): Don't emit line notes for
16847         unreachable code warnings.
16848
16849         * combine.c (distribute_notes): Don't distribute a
16850         REG_VTABLE_REF note.
16851         * final.c (final_scan_insn): Don't handle it.
16852         * rtl.c (reg_note_name): Remove it.
16853         * rtl.h (enum reg_node): Dito.
16854
16855         * emit-rtl.c (force_line_numbers, restore_line_number_status):
16856         Remove.
16857         * rtl.h (force_line_numbers, restore_line_number_status):
16858         Remove prototypes.
16859
16860         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
16861         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
16862         (using_eh_for_cleanups): Also moved here.
16863
16864         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
16865         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
16866         to expand_start_case and add_case_node.
16867         * stmt.c (struct nesting): Cleanup unused fields condition_code,
16868         last_unconditional_cleanup, nominal_type, printname, and
16869         line_number_status.
16870         (struct fixup_goto): Remove.
16871         (struct stmt_status): Remove x_goto_fixup_chain field.
16872         (goto_fixup_chain): Remove.
16873         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
16874         pushcase, pushcase_range): Remove.
16875         (expand_start_bindings_and_block): Don't set unused fields in
16876         the nesting stack.
16877         (expand_start_case, add_case_node): Cleanup unused formal arguments.
16878         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
16879         instead of emit_jump_if_reachable.
16880         (emit_case_nodes): Likewise.
16881         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
16882         static.
16883         (update_eh_label): Work around left-over exception handing regions.
16884         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
16885         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
16886         (pass_cleanup_cfg_post_optimizing): New pass.
16887         (init_tree_optimization_passes): Run the new pass after all
16888         optimizations.
16889         * tree.h (pushcase, pushcase_range): Remove prototypes.
16890         (expand_start_case, add_case_node): Update prototypes.
16891
16892 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
16893
16894         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
16895
16896 2004-07-16  Richard Henderson  <rth@redhat.com>
16897
16898         * builtins.c (std_expand_builtin_va_arg): Remove.
16899         (expand_builtin_va_arg): Remove.
16900         * expr.h: Don't declare them.
16901         * gimplify.c (mark_decls_volatile_r): Remove.
16902         (copy_if_shared_r): Don't call it.
16903         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
16904         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
16905         * gimple-low.c (lower_stmt): Likewise.
16906         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
16907         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
16908         * tree-ssa-operands.c (get_expr_operands): Likewise.
16909         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
16910         EXPAND_BUILTIN_VA_ARG.
16911         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
16912         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
16913         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
16914         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
16915
16916 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
16917
16918         * tree-ssa-pre.c (insert_aux): Break out if we hit
16919         a critical edge.
16920
16921 2004-07-16  Richard Henderson  <rth@redhat.com>
16922
16923         * basic-block.h (remove_fake_exit_edges): Declare.
16924         * cfganal.c (remove_fake_predecessors): Rename from
16925         remove_fake_successors; iterate over predecessors.
16926         (remove_fake_exit_edges): New.
16927         * cfgcleanup.c (try_optimize_cfg): Use it.
16928         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
16929         * predict.c (estimate_probability): Likewise.
16930         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
16931         * tree-cfg.c (make_edges): Likewise.
16932         * tree-ssa-pre.c (fini_pre): Likewise.
16933         * profile.c (instrument_edges): Don't remove_fake_edges.
16934         (branch_prob): Do it earlier here.
16935
16936 2004-07-16  Richard Henderson  <rth@redhat.com>
16937
16938         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
16939         switchification wrt CONSTRUCTOR.  Document the reason.
16940
16941 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
16942
16943         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
16944         that prevented descriptive __mf_check source location strings.
16945
16946 2004-07-16  Richard Henderson  <rth@redhat.com>
16947
16948         * tree-def (WITH_SIZE_EXPR): New.
16949         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
16950         * expr.c (expand_expr_real_1): Likewise.
16951         * gimplify.c (maybe_with_size_expr): New.
16952         (gimplify_arg, gimplify_modify_expr): Use it.
16953         (gimplify_modify_expr_to_memcpy): Take size parameter.
16954         (gimplify_modify_expr_to_memset): Likewise.
16955         (gimplify_expr): Handle WITH_SIZE_EXPR.
16956         * tree-alias-common.c (find_func_aliases): Likewise.
16957         * tree-eh.c (tree_could_trap_p): Likewise.
16958         (tree_could_throw_p): Likewise.
16959         * tree-gimple.c (is_gimple_lvalue): Likewise.
16960         (get_call_expr_in): Likewise.
16961         * tree-inline.c (estimate_num_insns_1): Likewise.
16962         (expand_calls_inline): Likewise.
16963         * tree-nested.c (convert_call_expr): Likewise.
16964         * tree-pretty-print.c (dump_generic_node): Likewise.
16965         * tree-sra.c (sra_walk_expr): Likewise.
16966         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
16967         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
16968         * tree-ssa-operands.c (get_expr_operands): Likewise.
16969         * tree-tailcall.c (find_tail_calls): Likewise.
16970
16971         * calls.c (expand_call): Reset old_stack_allocated after
16972         calling emit_stack_restore.
16973
16974 2004-07-16  Richard Henderson  <rth@redhat.com>
16975
16976         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
16977         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
16978         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
16979         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
16980         copy_res_decl_for_inlining.
16981
16982         * tree-inline.c (declare_return_variable): New modify_dest argument.
16983         Use it as the return value, when possible or manditory.  Handle
16984         TREE_ADDRESSABLE types.
16985         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
16986         replacement of CALL_EXPR.
16987
16988 2004-07-16  Richard Henderson  <rth@redhat.com>
16989
16990         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
16991         * gimple-low.c (expand_var_p): Don't check it.
16992         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
16993         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
16994         * tree-ssa-operands.c (add_stmt_operand): Likewise.
16995         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
16996         (find_referenced_vars): Don't call them.
16997         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
16998
16999 2004-07-16  Richard Henderson  <rth@redhat.com>
17000
17001         * function.c (pass_by_reference): True for all variable sized types.
17002
17003 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
17004
17005         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
17006         * tree-pretty-print.c: Include tree-chrec.h.
17007         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
17008         and POLYNOMIAL_CHREC nodes.
17009
17010 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
17011
17012         * builtins.c (expand_builtin_stpcpy): Do not create temporary
17013         reg with VOIDmode.
17014
17015 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
17016
17017         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
17018
17019 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
17020
17021         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
17022         to BASE_REGNUM.
17023         * config/s390/s390.c: Likewise.
17024         * config/s390/s390.h: Likewise.
17025
17026 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17027
17028         * config/mips/mips.md (addsi3, adddi3): Remove special handling
17029         of $sp adds.  Remove REGNO checks from mips16 patterns.
17030
17031 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17032
17033         * config/mips/mips.md: Delete outdated comment.
17034
17035 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17036
17037         * config/mips/mips.c (get_float_compare_codes): Delete.
17038         (mips_emit_compare): New function, mostly extracted from
17039         get_float_compare_codes and gen_conditional_branch.
17040         (gen_conditional_branch, gen_conditional_move): Use it.
17041
17042 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
17043
17044         * genautomata.c (add_vect): Speedup by using integers as
17045         bit-vectors for walking through the comb_vect and finding
17046         a match.
17047
17048 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17049
17050         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
17051         operand is an uns_arith_operand; use subtraction otherwise.
17052         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
17053         not just arith_operands.
17054
17055 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17056
17057         * config/mips/mips-protos.h (gen_int_relational): Delete.
17058         (mips_emit_scc): Declare.
17059         * config/mips/mips.c (internal_test): Delete.
17060         (sle_operand, sleu_operand): New functions.
17061         (map_test_to_internal_test, gen_int_relational): Delete.
17062         (mips_emit_binary, mips_relational_operand_ok_p)
17063         (mips_emit_int_relational, mips_zero_if_equal)
17064         (mips_emit_scc): New functions.
17065         (gen_conditional_branch): Rework to use mips_emit_int_relational.
17066         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
17067         sleu_operand.
17068         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
17069         (sltu, sleu): Use mips_emit_scc.
17070         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
17071         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
17072         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
17073
17074 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17075
17076         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
17077
17078 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17079
17080         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
17081         (*sne_[sd]i): Likewise sne_[sd]i_zero.
17082         (*sgt_[sd]i): ...and sgt_[sd]i.
17083         (*slt_[sd]i): ...and slt_[sd]i.
17084         (*sgtu_[sd]i): ...and sgtu_[sd]i.
17085         (*sltu_[sd]i): ...and sltu_[sd]i.
17086         (*sleu_[sd]i): ...and sleu_[sd]i_const.
17087         Name previously unnamed mips16 patterns.  Formatting fixes.
17088
17089 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17090
17091         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
17092         (branch_type): Delete.
17093         (gen_conditional_branch, gen_conditional_move)
17094         (mips_gen_conditional_trap): Update after name change.  Get the
17095         comparison mode from cmp_operands[0].
17096         * config/mips/mips.h (cmp_type, branch_type): Delete.
17097         (cmp_operands): Renamed from branch_cmp.
17098         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
17099         name change.  Don't set branch_type.
17100         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
17101         mode class of cmp_operands[0] rather than branch_type.  Update after
17102         name change.
17103
17104 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17105
17106         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
17107         of 0...255 to 0 when inside a SET.
17108
17109 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
17110
17111         * config/mips/mips.md: Remove mips16 define_peepholes.
17112
17113 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
17114
17115         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
17116         (fini_pre): Remove fake edges.
17117
17118 2004-07-15  Richard Henderson  <rth@redhat.com>
17119
17120         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
17121         (get_indirect_ref_operands, get_call_expr_operands): ... these.
17122
17123 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
17124
17125         * vec.h (VEC_address): New function.
17126
17127 2004-07-14  Jason Merrill  <jason@redhat.com>
17128
17129         PR middle-end/15885
17130         * gimplify.c (gimplify_arg): New fn, split out from...
17131         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
17132
17133 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
17134
17135         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
17136         generate code which is generated by pushqi1 now
17137         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
17138
17139 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
17140
17141         * combine.c (simplify_set): match the mode of the constant 0 with
17142         the tested operand to match the compare behaviour and the
17143         simplify_relational_operation() expectation.
17144
17145 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
17146
17147         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
17148         ("bordered"): Same.
17149
17150 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
17151
17152         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
17153         unconditionally.
17154         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
17155
17156 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
17157
17158         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
17159         calls in mips16 code.
17160
17161 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
17162
17163         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
17164         the destination of the li as well as for the neg.
17165
17166 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
17167
17168         g++/15861
17169         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
17170         * cgraph.h: Update declaration.
17171         * c-decl.c (build_cdtor): Update call with default priority.
17172         * coverage.c (create_coverage): Ditto.
17173         * tree-mudflap.c (mf_init_fndecl): New tree.
17174         (mudflap_init): Set it.
17175         (mudflap_register_call): Arrange to call __mf_init before the first
17176         __mf_register call.
17177         (mudflap_finish_file): Mark the mudflap static initializer as extra
17178         high priority, to beat all C++ static constructors.
17179
17180 2004-07-15  Jeff Law  <law@redhat.com>
17181
17182         * loop.c (check_insn_for_givs): Restore check for code labels that was
17183         accidentally deleted by a recent checkin.
17184
17185 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
17186
17187         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
17188         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
17189
17190 2004-07-14  Richard Henderson  <rth@redhat.com>
17191
17192         * print-tree.c (print_node): Fix casts last change.
17193
17194 2004-07-15  Paul Brook  <paul@codesourcery.com>
17195
17196         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
17197         to TARGET_UNWIND_INFO.
17198         * except.c (output_function_exception_table): Ditto.
17199         * except.h: Ditto.
17200         * opts.c (decode_options): Ditto.
17201         * passes.c (rest_of_handle_final): Ditto.
17202         * final.c (final_start_function): Ditto.
17203         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
17204         target hook.
17205         * targhooks.h (default_unwind_emit): Declare.
17206         * targhooks.c (default_unwind_emit): New function.
17207         * target-def.h: Define and use TARGET_UNWIND_EMIT.
17208         * target.h (struct gcc_target): Add unwind_emit.
17209         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
17210         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
17211         Remove IA64_UNWIND_EMIT.
17212         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
17213
17214 2004-07-14  Richard Henderson  <rth@redhat.com>
17215
17216         * print-tree.c (print_node): Handle SSA_NAME.
17217
17218 2004-07-14  James E Wilson  <wilson@specifixinc.com>
17219
17220         PR target/16325
17221         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
17222         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
17223
17224 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
17225
17226         * expr.c (expand_assignment): Reenable bitfield += optimizations.
17227         Use alias set 0 for memory, do proper mode calculations and adjust
17228         address for memories.
17229
17230 2004-07-14  Per Bothner  <per@bothner.com>
17231
17232         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
17233         structure with extra column field.
17234         * tree.c (expand_location):  Also fill in column field.
17235         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
17236         gets confused by the two conditionally-compiled definitions.
17237
17238 2004-07-14  Eric Christopher  <echristo@redhat.com>
17239
17240         * calls.c (expand_call): Fix typo in comment.
17241
17242 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
17243
17244         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
17245         comparision of TFmode.
17246
17247 2004-07-14  Richard Henderson  <rth@redhat.com>
17248
17249         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
17250         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
17251         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
17252         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
17253         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
17254         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
17255         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
17256         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
17257         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
17258
17259 2004-07-14  Mike Stump  <mrs@apple.com>
17260
17261         * config/darwin.h (WINT_TYPE): Define to be int to match
17262         system header files.
17263
17264 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
17265
17266         * config/xtensa/xtensa.c (function_arg_advance): Check for args
17267         that must be passed in the stack.
17268         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
17269         arguments if the size is not a constant.
17270
17271 2004-07-14  Per Bothner  <per@bothner.com>
17272
17273         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
17274         instead of EXPR_LOCUS in a boolean context, which is always true
17275         if --enable-mapped-location.
17276         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
17277
17278 2004-07-14  Richard Henderson  <rth@redhat.com>
17279
17280         * dominance.c (struct dom_info): Add fake_exit_edge.
17281         (init_dom_info): Allocate it.
17282         (free_dom_info): Free it.
17283         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
17284         in two passes.
17285         (calc_idoms): Honor fake_exit_edge.
17286
17287 2004-07-13  Jason Merrill  <jason@redhat.com>
17288
17289         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
17290         (rhs_test_for): New fn.
17291         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
17292         * tree-gimple.h: Declare them.
17293         * gimplify.c (gimplify_modify_expr): Use the new fns.
17294
17295 2004-07-14  Richard Henderson  <rth@redhat.com>
17296
17297         * config/arm/arm-protos.h (arm_va_arg): Remove.
17298         * config/arm/arm.c (arm_va_arg): Remove.
17299         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
17300         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
17301
17302 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17303
17304         * pa.c (fix_range): New function to mark a range(s) of registers as
17305         fixed registers.
17306         (override_options): Call fix_range if the -mfixed-range option string
17307         is not empty.
17308         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
17309         * doc/invoke.texi (-mfixed-range): Document new option.
17310
17311 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
17312
17313         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
17314         for TARGET_64BIT.
17315         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
17316
17317 2004-07-14  Roger Sayle  <roger@eyesopen.com>
17318
17319         * expmed.c (expand_sdiv_pow2): New function to expand signed division
17320         by a positive power of two, split out from expand_divmod.  Provide
17321         an alternate implementation when shifts are expensive.  Lower the
17322         threshold for using a branchless implementation to BRANCH_COST >= 2.
17323         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
17324
17325 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
17326
17327         * tree-dfa.c (make_rename_temp): *Really* work just
17328         like create_tmp_var if called while outside SSA form.
17329
17330 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
17331
17332         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
17333         for division by zero.
17334         ("umodsi3"): Likewise.
17335
17336 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
17337
17338         * config/mips/mips.c (mips_output_move): When generating mips16 code,
17339         force loads of negative constants to be split.
17340         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
17341         Generalize SImode li/neg splitter to cope with other modes.
17342
17343 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
17344
17345         * expmed.c: Remove more references to QUEUED in the comments.
17346         * expr.c: Likewise.
17347
17348 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
17349
17350         Revert:
17351         2004-07-13  Richard Henderson  <rth@redhat.com>
17352         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
17353         correctly.
17354
17355 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
17356
17357         * tree-dfa.c (make_rename_temp): Work just like
17358         create_tmp_var if called while outside SSA form.
17359
17360 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
17361
17362         * expr.c (enqueue_insn, finish_expr_for_function,
17363         protect_from_queue, queued_subexp_p, mark_queue,
17364         emit_insns_enqueued_after_mark, emit_queue,
17365         expand_increment): Remove.
17366         (store_constructor): Expand increment as an assignment.
17367         (expand_expr_real_1 <case PREINCREMENT_EXPR,
17368         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
17369         case POSTDECREMENT_EXPR>): Abort.
17370         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
17371         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
17372         protect_from_queue, emit_queue, queued_subexp_p): Remove.
17373         * function.h (pending_chain, x_pending_chain): Remove.
17374         * rtl.def (QUEUED): Remove.
17375
17376         * emit-rtl.c (copy_insn_1, copy_most_rtx,
17377         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
17378         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
17379         encode_units_mask): Likewise.
17380         * local-alloc.c (equiv_init_varies_p): Likewise.
17381         * rtl.c (copy_rtx): Likewise.
17382         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
17383         * simplify-rtx.c (simplify_gen_subreg): Likewise.
17384         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
17385
17386         * builtins.c (expand_builtin, expand_builtin_apply,
17387         expand_builtin_mathfn, expand_builtin_mathfn_2,
17388         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
17389         Remove calls to emit_queue and protect_from_queue.
17390         * calls.c (expand_call, precompute_arguments,
17391         precompute_register_parameters, rtx_for_function_call,
17392         store_one_arg): Likewise.
17393         * dojump.c (do_compare_and_jump, do_jump): Likewise.
17394         * explow.c (memory_address): Likewise.
17395         * expmed.c (clear_by_pieces_1, clear_storage,
17396         clear_storage_via_libcall, emit_group_load,
17397         emit_group_store, emit_store_flag,
17398         expand_expr_real_1, store_by_pieces,
17399         store_constructor, store_expr, try_casesi,
17400         try_tablejump): Likewise.
17401         * function.c (expand_pending_sizes): Likewise.
17402         * optabs.c (emit_cmp_and_jump_insns,
17403         emit_conditional_add, emit_conditional_move,
17404         expand_fix, expand_float, prepare_cmp_insn): Likewise.
17405         * stmt.c (emit_case_bit_tests,
17406         expand_asm_expr, expand_computed_goto,
17407         expand_decl_init, expand_end_case_type,
17408         expand_end_stmt_expr, expand_expr_stmt_value,
17409         expand_return, expand_start_case,
17410         optimize_tail_recursion): Likewise.
17411         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
17412         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
17413
17414 2004-07-14  Ben Elliston  <bje@au.ibm.com>
17415
17416         * vec.h: Comment fix.
17417
17418 2004-07-13  Richard Henderson  <rth@redhat.com>
17419
17420         * target.h (struct gcc_target): Add calls.pass_by_reference.
17421         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
17422         * function.c (pass_by_reference): Use the hook.
17423         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
17424         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
17425         (hook_pass_by_reference_must_pass_in_stack): New.
17426         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
17427         (alpha_pass_by_reference): New.
17428         (TARGET_PASS_BY_REFERENCE): New.
17429         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17430         * config/arc/arc.c (arc_pass_by_reference): New.
17431         (TARGET_PASS_BY_REFERENCE): New.
17432         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17433         (FUNCTION_ARG_CALLEE_COPIES): True.
17434         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
17435         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
17436         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
17437         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17438         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17439         * config/cris/cris.c (cris_pass_by_reference): New.
17440         (TARGET_PASS_BY_REFERENCE): New.
17441         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
17442         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
17443         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17444         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
17445         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17446         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
17447         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
17448         (frv_function_arg_pass_by_reference): Remove.
17449         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17450         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
17451         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
17452         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
17453         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17454         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
17455         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
17456         (ia64_pass_by_reference): Rename from
17457         ia64_function_arg_pass_by_reference.
17458         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17459         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17460         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
17461         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
17462         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
17463         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17464         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
17465         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
17466         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
17467         (m32r_pass_by_reference): Adjust prototype.  Make static.
17468         Handle mode sizes correctly.
17469         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17470         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
17471         (m68hc11_function_arg_pass_by_reference): Remove.
17472         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17473         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
17474         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
17475         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17476         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
17477         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
17478         (mips_va_arg): Use pass_by_reference.
17479         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
17480         Handle mode sizes correctly.
17481         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17482         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
17483         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
17484         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
17485         (mmix_pass_by_reference): Rename from
17486         mmix_function_arg_pass_by_reference.
17487         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17488         (FUNCTION_ARG_CALLEE_COPIES): True.
17489         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
17490         (mn10300_pass_by_reference): New.
17491         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17492         (FUNCTION_ARG_CALLEE_COPIES): True.
17493         * config/pa/pa.c (pa_pass_by_reference): New.
17494         (TARGET_PASS_BY_REFERENCE): New.
17495         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17496         (FUNCTION_ARG_CALLEE_COPIES): True.
17497         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
17498         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
17499         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
17500         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17501         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
17502         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
17503         (s390_pass_by_reference): Rename from
17504         s390_function_arg_pass_by_reference.
17505         (s390_function_arg_advance): Don't query pass-by-ref.
17506         (s390_function_arg): Likewise.
17507         (s390_gimplify_va_arg): Use pass_by_reference.
17508         (s390_call_saved_register_used): Likewise.
17509         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17510         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
17511         (shcompact_byref, sh_pass_by_reference): New.
17512         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17513         (SHCOMPACT_BYREF): Remove.
17514         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
17515         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
17516         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
17517         (sparc_gimplify_va_arg): Use pass_by_reference.
17518         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17519         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17520         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
17521         (v850_pass_by_reference): New.
17522         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17523         (FUNCTION_ARG_CALLEE_COPIES): True.
17524         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
17525         FUNCTION_ARG_PASS_BY_REFERENCE docs.
17526
17527 2004-07-14  Richard Henderson  <rth@redhat.com>
17528             Richard Sandiford  <rsandifo@redhat.com>
17529
17530         * config/mips/mips-protos.h (mips_va_arg): Delete.
17531         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
17532         * config/mips/mips.c: Include tree-gimple.h.
17533         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
17534         (mips_arg_info): Remove special handling of must_pass_in_stck args.
17535         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
17536         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
17537
17538 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
17539
17540         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
17541         arguments for COND_EXPR in big-endian adjustment code.
17542
17543 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17544
17545         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
17546         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
17547         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
17548         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
17549
17550 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
17551
17552         PR tree-optimization/16443
17553         * tree-ssa-alias.c: Add more description for
17554         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
17555         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
17556         clobbering of call-clobbered and addressable variables.  If
17557         there are any before aliases have been computed, add them.
17558
17559 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
17560
17561         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
17562         verification.
17563
17564 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
17565
17566         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
17567         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
17568         to the same type.
17569
17570 2004-07-13  Per Bothner  <per@bothner.com>
17571
17572         * collect2.c (main):  Handle --no-demangle and --demangle flags.
17573
17574 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
17575
17576         * Makefile.in (OBJS-common): Add tree-data-ref.o.
17577         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
17578         (tree-data-ref.o): New rule.
17579         * lambda.h: New file.
17580         * tree-data-ref.c: New file.
17581         * tree-data-ref.h: New file.
17582         * tree.c (int_cst_value, tree_fold_gcd): New functions.
17583         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
17584
17585 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
17586
17587         PR target/13926
17588         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
17589         * config/sparc/sparc.c (output_ubranch): New function.
17590         * config/sparc/sparc.md (jump pattern): Use it.
17591
17592 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
17593
17594         PR target/16494
17595         * config/sparc/sparc.c (output_cbranch): Properly guard
17596         the code handling far branches with TARGET_V9.
17597         * config/sparc/sparc.md (length attribute): Document the
17598         side-effect of having a length greater or equal to 3.
17599
17600 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
17601             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
17602
17603         PR target/15186
17604         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
17605         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
17606
17607 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
17608             Martin Sebor  <sebor@roguewave.com>
17609
17610         PR target/12602
17611         * doc/invoke.texi (SPARC options): Document -threads
17612         and -pthreads on Solaris.
17613
17614 2004-07-13  Richard Henderson  <rth@redhat.com>
17615
17616         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
17617         by reference.
17618         (ind_gimplify_va_arg_expr): Remove.
17619         * tree.h (ind_gimplify_va_arg_expr): Remove.
17620         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
17621         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
17622         argsp to be null.
17623
17624         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
17625         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
17626         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
17627         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
17628         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
17629
17630 2004-07-13  Richard Henderson  <rth@redhat.com>
17631
17632         * function.c (pass_by_reference): New.
17633         (assign_parm_find_data_types): Use it.
17634         * calls.c (initialize_argument_information): Likewise.
17635         (emit_library_call_value_1): Likewise.
17636         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
17637         * function.h (pass_by_reference): Declare.
17638
17639 2004-07-13  Richard Henderson  <rth@redhat.com>
17640
17641         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
17642         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
17643         * expr.h (MUST_PASS_IN_STACK): Remove.
17644         * system.h (MUST_PASS_IN_STACK): Poison.
17645         * tree.h (must_pass_in_stack_var_size): Declare.
17646         (must_pass_in_stack_var_size_or_pad): Declare.
17647         * calls.c (must_pass_in_stack_var_size): New.
17648         (must_pass_in_stack_var_size_or_pad): Rename from
17649         default_must_pass_in_stack.
17650         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
17651         (TARGET_MUST_PASS_IN_STACK): New.
17652         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
17653         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
17654         (TARGET_MUST_PASS_IN_STACK): New.
17655         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
17656         * config/frv/frv.c (frv_must_pass_in_stack): New.
17657         (TARGET_MUST_PASS_IN_STACK): New.
17658         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
17659         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
17660         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
17661         (ix86_must_pass_in_stack): Make static.
17662         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
17663         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
17664         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
17665         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
17666         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
17667         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
17668         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
17669         (mcore_must_pass_on_stack): Remove.
17670         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
17671         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
17672         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
17673         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
17674         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
17675         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
17676         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
17677         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
17678         (TARGET_MUST_PASS_IN_STACK): New.
17679         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
17680         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
17681         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
17682         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
17683         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
17684         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
17685         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
17686         MUST_PASS_IN_STACK.
17687
17688         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
17689         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
17690         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
17691         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
17692         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
17693         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
17694         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
17695         config/xtensa/xtensa.c: Use target hook.
17696
17697 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
17698
17699         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
17700         * configure: Rebuilt.
17701
17702 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
17703
17704         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
17705         * config/mips/mips.h (mips_reg_names): Don't declare.
17706         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
17707         (TARGET_NAME_REGS): Delete.
17708         (TARGET_SWITCHES): Remove -mrnames.
17709         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
17710         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
17711         in REGISTER_NAMES.
17712         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
17713         (override_options): Remove handling of TARGET_NAME_REGS.
17714
17715 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
17716
17717         * config/mips/mips.h (TARGET_*): Boolify.
17718
17719 2004-07-12  Nick Clifton  <nickc@redhat.com>
17720
17721         * config.gcc: Add sh-*-symbianelf target.
17722         * config/sh/sh.c: Add new target macros:
17723         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
17724         TARGET_CXX_IMPORT_EXPORT_CLASS.
17725         (sh_file_start): Create a definition of the .directive section.
17726         (sh_attribute): Add dllimport and dllexport attributes.
17727         * config/sh/symbian-pre.h: New file.
17728         * config/sh/symbian-post.h: New file.
17729         * config/sh/symbian.c: New file. Contains Symbian specific
17730         functions.
17731         * config/sh/sh-protos.h: Add prototypes for new functions
17732         provided by symbian.c.
17733         * config/sh/t-symbian: New file.
17734         * doc/extend.texi: Document support for dllimport and dllexport
17735         attributes by the sh-symbianelf target.
17736
17737 2004-07-12  James E Wilson  <wilson@specifixinc.com>
17738
17739         * Makefile.in (AR): Use @AR@ not ar.
17740         (NM): New.
17741         (AR_FOR_TARGET): Use $(AR) not ar for native.
17742         (NM_FOR_TARGET): Use $(NM) not nm for native.
17743         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
17744         * configure: Regenerate.
17745
17746 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
17747
17748         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
17749         special case.
17750         (ashldi3_sp64): Likewise.
17751
17752 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17753
17754         PR target/16477
17755         * pa.c (function_arg): Update comment.
17756         * pa.h (BLOCK_REG_PADDING): Define.
17757
17758 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17759
17760         PR tree-optimization/16461
17761         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
17762         arguments of phi nodes.
17763
17764 2004-07-12  Devang Patel  <dpatel@apple.com>
17765
17766         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
17767
17768 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
17769
17770         * function.c (expand_function_start): Ensure r_save is in Pmode.
17771         * calls.c (prepare_call_address): Ensure static_chain_value is
17772         in Pmode.
17773         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
17774         r_save_area are in Pmode.
17775         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
17776         fnaddr, and static_chain are in Pmode.
17777
17778 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
17779
17780         PR target/16445
17781         * config/ia64/ia64.c (bundling): Don't count ignored insns.
17782
17783 2004-07-12  Richard Henderson  <rth@redhat.com>
17784
17785         * target.h (struct gcc_target): Move gimplify_va_arg_expr
17786         next to build_builtin_va_list.
17787         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
17788         * builtins.c (gimplify_va_arg_expr): Likewise.
17789         * gimplify.c (copy_if_shared_r): Likewise.
17790
17791 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
17792
17793         * passes.c (rest_of_decl_compilation): Don't defer call of
17794         assemble_variable if its DECL_RTL is already set.
17795
17796 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
17797
17798         * cfgloop.h (struct loop): Add nb_iterations field.
17799         (current_loops): Declare.
17800         * tree-chrec.c (chrec_not_analyzed_yet,
17801         chrec_dont_know, chrec_known, count_ev_in_wider_type,
17802         chrec_contains_symbols_defined_in_loop): Remove the temporary
17803         hooks.
17804         * tree-flow-inline.h (loop_containing_stmt): New function.
17805         * tree-scalar-evolution.c: Add implementation.
17806         * tree-scalar-evolution.h: Add declarations.
17807
17808 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
17809
17810         PR rtl-optimization/15921
17811         * Makefile.in (global.o): Add recog.h.
17812
17813         * global.c (recog.h): Add the include-clause.
17814         (bb_info): New member earlyclobber.
17815         (allocate_bb_info, free_bb_info): Initialize/finish the new
17816         member.
17817         (earlyclobber_regclass, earlyclobber_regclass_length): The new
17818         global variables.
17819         (check_earlyclobber, regclass_intersect,
17820         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
17821         New functions.
17822         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
17823         (make_accurate_live_analysis): Modify pavin.
17824
17825 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
17826
17827         * tree-cfg.c (find_taken_edge): Statically compute the truth
17828         value of a predicate comparing an SSA_NAME to itself.
17829
17830 2004-07-12  Roger Sayle  <roger@eyesopen.com>
17831
17832         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
17833         rs6000 doesn't have shift-and-add or shift-and-sub instructions
17834         by returning the cost of a multiplication plus an addition.
17835
17836 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
17837
17838         PR tree-optimization/14107
17839         * gimplify.c (gimplify_return_expr): Accept a
17840         RETURN_EXPR with an error argument.
17841         * tree-optimize.c (init_tree_optimization_passes):
17842         Run pass_warn_function_return at -O0.
17843
17844 2004-07-12  Roger Sayle  <roger@eyesopen.com>
17845
17846         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
17847         index entry.
17848
17849 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
17850
17851         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
17852         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
17853         * config/mips/3000.md: Add copyright notice.  Remove automota and
17854         function units; use generic ones instead.  Only define reservations
17855         for things that are different from generic.md.  Extend each clause
17856         to include r3900.
17857         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
17858         * config/mips/mips.md: Include them. Remove define_function_units.
17859         (alu, imuldiv): New automata and units.
17860
17861 2004-07-12  Ben Elliston  <bje@au.ibm.com>
17862
17863         * doc/invoke.texi (Optimize Options): Document -frename-registers
17864         not being enabled by default at -O3.
17865
17866 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17867
17868         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
17869         floating point additions, to keep real immediate constant positive.
17870         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
17871         into X + C, and leave positive real constants as X - C.
17872
17873 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17874
17875         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
17876
17877 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17878
17879         PR tree-optimization/15654
17880         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
17881
17882 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17883
17884         * builtins.c (fold_builtin_fputs): Don't bother converting the
17885         return type to integer_type_node, as we've already checked that
17886         the result will be ignored.
17887
17888         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
17889         that signed addition, subtraction, multiplication, division,
17890         remainder, negation and absolute value may potentially trap.
17891
17892         * fold-const.c (fold_ignored_result): New function to strip
17893         non-side-effecting tree nodes from an expression whose result
17894         is ignored.
17895         (fold_convert): Call fold_ignored_result when casting a value
17896         to VOID_TYPE.
17897         (omit_one_operand):  Call fold_ignored_result on the "omitted"
17898         operand when building a COMPOUND_EXPR.
17899         (pedantic_omit_one_operand): Likewise.
17900         * tree.h (fold_ignored_result): Prototype here.
17901         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
17902         when we're going to ignore the result.
17903
17904 2004-07-11  Richard Henderson  <rth@redhat.com>
17905
17906         PR tree-opt/16383
17907         * tree-ssa-ccp.c (fold_stmt_r): Split out...
17908         * tree.c (fields_compatible_p, find_compatible_field): ... new.
17909         * tree.h (fields_compatible_p, find_compatible_field): Declare.
17910         * tree-sra.c (sra_hash_tree): Hash fields by offset.
17911         (sra_elt_eq): Use fields_compatible_p.
17912         (generate_one_element_ref): Use find_compatible_field.
17913
17914 2004-07-11  Richard Henderson  <rth@redhat.com>
17915
17916         PR tree-opt/16422
17917         * tree-sra.c (generate_one_element_init): New.
17918         (generate_element_init): Use it.
17919         (scalarize_init): Push/pop gimplify context around it.
17920         (find_new_referenced_vars_1, find_new_referenced_vars): New.
17921         * gimplify.c (gimplify_expr): Allow SSA_NAME.
17922
17923 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17924
17925         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
17926         combine.c's combine_insn_cost.
17927         * rtl.h (insn_rtx_cost): Prototype here.
17928         * combine.c (combine_insn_cost): Delete function.
17929         (combine_validate_cost): Update callers of combine_insn_cost to
17930         call insn_rtx_cost instead.
17931         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
17932         requesting the rtx_cost of call and/or jump instructions.
17933
17934         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
17935         rtx_cost directly.  Don't request/use the cost of call or jump
17936         instructions.  Return -1 if the cost of any instruction can't be
17937         determined (or the BB contains a function call).
17938         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
17939         -1 (i.e. can't determine the cost of any instruction or the basic
17940         block contains a subroutine call).
17941         (find_if_case_2): Likewise.
17942
17943 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17944
17945         * rs6000.c (struct processor_costs): Change semantics of fields to
17946         include the COST_N_INSNS scaling, and update all initializers.
17947         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
17948         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
17949         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
17950         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
17951
17952 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17953
17954         * LANGUAGES: Remove obsolete information.
17955
17956 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
17957
17958         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
17959         SIGBUS signal frames, the PSW address points *to* the faulting
17960         instruction, not after it.
17961
17962 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
17963
17964         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
17965         added to TLS symbol addresses.
17966
17967 2004-07-11  Richard Henderson  <rth@redhat.com>
17968
17969         * expmed.c (init_expmed): Use stack-local structures for
17970         temporary rtl.  Don't recognize shifts.
17971
17972 2004-07-11  Richard Henderson  <rth@redhat.com>
17973
17974         * expr.c (store_expr): Don't fiddle subreg promotion for types
17975         with precision smaller than the mode.
17976
17977 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17978
17979         * tree.h (all_types_permanent): Remove.
17980
17981 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17982
17983         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
17984         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
17985         * langhooks.c (lhd_clear_binding_stack): Remove.
17986         * langhooks-def.h (lhd_clear_binding_stack,
17987         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
17988         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
17989         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
17990         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
17991         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
17992         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
17993         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
17994         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
17995         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
17996         * tree.h (poplevel): Don't declare.
17997         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
17998         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
17999         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
18000         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
18001         Remove.
18002
18003 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
18004
18005         PR tree-optimization/16437
18006         * c-common.c (shorten_compare): Don't mark result of conversion to
18007         narrower signed type as overflowing.
18008         * fold-const.c (decode_field_reference): Determine whether
18009         signedness comes from outer type using precision rather than size.
18010
18011 2004-07-11  Phil Edwards  <phil@codesourcery.com>
18012
18013         * configure.ac:  Alphabetize --enable-checking list, add
18014         missing valgrind entry.
18015         * configure:  Regenerate.
18016
18017 2004-07-11  Phil Edwards  <phil@codesourcery.com>
18018
18019         * doc/install.texi (Testing):  Fix syntax in "make check" example.
18020
18021 2004-07-10  James E Wilson  <wilson@specifixinc.com>
18022
18023         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
18024
18025 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
18026
18027         PR rtl-optimization/16001
18028         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
18029         niter_expr.
18030
18031 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
18032
18033         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
18034
18035 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
18036             James Morrison  <phython@gcc.gnu.org>
18037
18038         * doc/contrib.texi (Contributors): Add gfortran contributors and
18039         fix a couple of typos.
18040
18041 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
18042
18043         PR rtl-optimization/15387
18044         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
18045         to incoming args space correctly.
18046
18047 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18048
18049         * pa.c (output_indirect_call): Only use %r2 as the link register in
18050         indirect calls with the long PA 2.0 pc-relative branch.
18051
18052 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
18053
18054         * config/i386/i386.c (override_options): Pick a 64-bit CPU
18055         for the default tuning if TARGET_64BIT.
18056
18057 2004-07-10  Richard Henderson  <rth@redhat.com>
18058
18059         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
18060         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
18061
18062 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
18063
18064         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
18065         * expmed.c (store_bit_field, extract_bit_field): Remove last
18066         argument.
18067         * builtins.c (expand_builtin_signbit): Adjust callers.
18068         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
18069         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
18070         * ifcvt.c (noce_emit_move_insn): Likewise.
18071         * stmt.c (expand_return): Likewise.
18072         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
18073         store_field, expand_expr_real_1): Likewise.
18074
18075 2004-07-10  Richard Henderson  <rth@redhat.com>
18076
18077         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
18078
18079 2004-07-09  Mike Stump  <mrs@apple.com>
18080
18081         * config/darwin.c (no_dead_strip): Add.
18082         (HAVE_DEAD_STRIP): Add.
18083         (darwin_emit_unwind_label): Ensure that we don't dead code strip
18084         the .eh label.
18085
18086 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
18087
18088         * tree-ssa-loop-im.c: New file.
18089         * Makefile.in (tree-ssa-loop-im.o): Add.
18090         * cfgloop.c (superloop_at_depth): New function.
18091         * cfgloop.h (superloop_at_depth): Declare.
18092         * common.opt (ftree-lim): New flag.
18093         * expr.c (array_ref_up_bound): New function.
18094         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
18095         * timevar.def (TV_LIM): New timevar.
18096         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
18097         computing immediate uses of a phi node.
18098         * tree-flow.h (struct tree_ann_common_d): Add aux field.
18099         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
18100         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
18101         * tree-pass.h (pass_lim): Declare.
18102         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
18103         functions.
18104         (pass_lim): New pass structure.
18105         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
18106         * tree.c (in_array_bounds_p): New function.
18107         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
18108         (in_array_bounds_p, array_ref_up_bound): Declare.
18109         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
18110         * doc/passes.texi (tree-ssa-loop-im.c): Document.
18111
18112 2004-07-09  Richard Henderson  <rth@redhat.com>
18113
18114         * builtins.c (expand_builtin_stpcpy): Don't modify len.
18115
18116         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
18117         with prejudice.
18118
18119 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
18120
18121         * flags.h: Delete redundant prototypes that are being generated
18122         in options.h from common.opt.
18123         * common.opt: Add in the expository comments formerly in flags.h.
18124
18125 2004-07-09  Jan Beulich  <jbeulich@novell.com>
18126
18127         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
18128         available for use only when TARGET_MMX/_SSE is set, and check for
18129         variable argument function if any register count is non-zero.
18130         (function_arg): Correctly suppress repeated warnings for passing SSE
18131         vectors are arguments without SSE enabled.
18132         (ix86_function_arg_boundary): Without SSE enabled, the use of what
18133         would be SSE register modes does no longer influence the alignment.
18134
18135 2004-07-09  Richard Henderson  <rth@redhat.com>
18136
18137         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
18138         Always align upward to arg boundary.  Use size_in_bytes/round_up.
18139         Maintain type-correctness of constants.
18140         * stor-layout.c (round_up, round_down): Special-case powers of 2.
18141
18142 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
18143
18144         * config/sparc/sparc.c (*_costs): Scale instruction costs
18145         by COSTS_N_INSNS.
18146         (sparc_rtx_costs): Adjust as appropriate.
18147
18148 2004-07-09  Jan Beulich  <jbeulich@novell.com>
18149
18150         * config/i386/mm3dnow.h: New.
18151         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
18152
18153 2004-07-09  Richard Henderson  <rth@redhat.com>
18154
18155         * simplify-rtx.c (simplify_const_relational_operation): Only
18156         look at bounds of scalar integers.
18157
18158 2004-07-09  Jan Beulich  <jbeulich@novell.com>
18159
18160         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
18161
18162 2004-07-09  Andrew Pinski  <apinski@apple.com>
18163
18164         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
18165         always referenced.
18166         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
18167         UOBJC_METACLASS_decl.
18168
18169 2004-07-09  James E Wilson  <wilson@specifixinc.com>
18170
18171         PR target/16364
18172         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
18173         do return a parallel if hfa_mode == XFmode and mode == TImode.
18174
18175 2004-07-09  Jan Beulich  <jbeulich@novell.com>
18176
18177         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
18178         permissible for unary plus.
18179
18180 2004-07-09  Jan Beulich  <jbeulich@novell.com>
18181
18182         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
18183         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
18184         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
18185         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
18186         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
18187         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
18188         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
18189         (BUILTIN_xxxIMAX): New.
18190         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
18191         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
18192         BUILT_IN_PARITYIMAX.
18193
18194 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
18195
18196         * config/sparc/sparc.h (processor_costs): Define.
18197         (sparc_costs): Declare.
18198         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
18199         hypersparc_costs, sparclet_costs, ultrasparc_costs,
18200         ultrasparc3_costs): New.
18201         (sparc_override_options): Set sparc_costs as appropriate.
18202         (sparc_rtx_costs): Use sparc_costs instead of messy
18203         conditionals.
18204
18205 2004-07-09  Steven Bosscher  <stevenb@suse.de>
18206
18207         * doc/md.texi (Processor pipeline description): Mention that
18208         the old pipeline description is deprecated.
18209
18210         * config/rs6000/7450.md (automaton ppc7450): Split up, move
18211         mciu_7450 function unit to...
18212         (automaton ppc7450mciu): ...new automaton.
18213
18214         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
18215         (schedule_block): Don't consider inserting bubbles.
18216         (sched_init): Don't initialize DFA bubbles.
18217         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
18218         TARGET_SCHED_DFA_BUBBLE): Remove.
18219         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
18220         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
18221         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
18222
18223         * stmt.c (conditional_context): Remove prototype.
18224         * tree.h (conditional_context): Remove.
18225         * tree-cfg.c (pre_insert_on_edge): Remove.
18226
18227         * c-common.h (c_expand_asm_operands): Remove prototype.
18228         * c-typeck.c (c_expand_asm_operands): Remove.
18229
18230 2004-07-09  Jan Beulich  <jbeulich@novell.com>
18231
18232         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
18233         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
18234         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
18235         and V8QI are class SSE. All sufficiently small remaining vector modes
18236         must be passed in one or two integer registers.
18237         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
18238         returned in memory.
18239         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
18240         __builtin_ia32_pmuludq128 have non-uniform argument and return types
18241         and must thus be handled explicitly.
18242         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
18243         MMX and XMM regs.
18244         (movv8qi_internal, movv4hi_internal, movv2si_internal,
18245         movv2sf_internal): Permit moving between MMX and XMM registers (since
18246         MMX areguments and return values are passed in XMM registers).
18247         (sse2_umulsidi3): Correct type and mode.
18248
18249 2004-07-09  Richard Henderson  <rth@redhat.com>
18250
18251         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
18252
18253 2004-07-09  Eric Christopher  <echristo@redhat.com>
18254
18255         * config/rs6000/40x.md: Split into two automatons.
18256
18257 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
18258             Andrew Pinski  <apinski@apple.com>
18259
18260         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
18261         on when we have more than one input file.
18262         (c_common_parse_file): Restore loop over all input files.
18263         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
18264
18265         * c-decl.c (set_type_context): New function.
18266         (pop_scope): Use it to set context of types.  When we
18267         encounter a TYPE_DECL, set the context of the attached type too.
18268         (pop_file_scope): Don't call cpp_undef_all here.
18269         (diagnose_mismatched_decls): Do not complain about a second
18270         definition of an 'extern inline' function if it's not in the
18271         same translation unit.  Do not complain about inline
18272         declaration after use if the use was in a different
18273         translation unit.
18274         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
18275         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
18276         the external scope.
18277         (pushdecl_top_level): Likewise.
18278         (grokdeclarator): Clarify what is going on with setting
18279         DECL_EXTERNAL on function types, a little.
18280         (c_write_global_declarations): Don't do anything if
18281         -fsyntax-only or errors have been encountered.
18282
18283 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
18284
18285         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
18286
18287 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18288
18289         PR target/16459
18290         * pa.c (output_indirect_call): Use %r2 as the link register when
18291         calling $$dyncall with a pc-relative branch.
18292
18293 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
18294
18295         * doc/install.texi (Binaries): Mention OpenPKG.
18296
18297 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
18298
18299         Fix PR tree-optimization/15555
18300         * tree-dfa.c (dump_variable): If the variable is a pointer
18301         SSA_NAME, also dump its points-to information.
18302         * tree-flow.h (struct ptr_info_def): Add field
18303         is_dereferenced.
18304         (dump_points_to_info_for): Declare.
18305         (debug_points_to_info_for): Declare.
18306         * tree-optimize.c (init_tree_optimization_passes): Add a
18307         second alias analysis pass after DOM2.
18308         Move pass_del_pta to a later spot.
18309         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
18310         create a name tags when we find a dereferenced pointer.  Just
18311         mark the pointer dereferenced.
18312         (collect_points_to_info_for): Move code to clear points-to
18313         information to create_name_tags.
18314         (create_name_tags): New function.
18315         (compute_flow_sensitive_aliasing): Call it.
18316         (setup_pointers_and_addressables): Mark type tags for renaming
18317         here instead of ...
18318         (create_memory_tag): ... here.
18319         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
18320         (dump_points_to_info_for): Declare extern.
18321         (debug_points_to_info_for): New function.
18322
18323 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
18324
18325         * config/arc/arc.md: Switch to DFA-based scheduler description.
18326         * config/arc/arc.c: Switch to DFA-based scheduler description.
18327
18328 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
18329
18330         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
18331         pointer.
18332
18333 2004-07-09  Richard Henderson  <rth@redhat.com>
18334
18335         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
18336         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18337         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
18338         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
18339
18340         * config/v850/v850-protos.h (v850_va_arg): Remove.
18341         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18342         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
18343         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
18344         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
18345         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
18346
18347 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
18348
18349         PR target/12133
18350         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
18351         and DImode to use +/-4k offset.
18352
18353 2004-07-09  Richard Henderson  <rth@redhat.com>
18354
18355         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
18356         Remove.
18357         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18358         (xstormy16_gimplify_va_arg_expr): Rewrite from
18359         xstormy16_expand_builtin_va_arg.
18360         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
18361
18362         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
18363         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
18364
18365         * config/sh/sh-protos.h (sh_va_arg): Remove.
18366         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18367         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
18368         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
18369
18370         * config/pa/pa-protos.h (hppa_va_arg): Remove.
18371         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18372         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
18373         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
18374
18375         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
18376         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18377         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
18378         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
18379
18380 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
18381
18382         * config/sparc/sparc.md (return): Rewrite length formula.
18383         * config/sparc/sparc.c (output_return): Pass 1 as 5th
18384         argument to final_scan_insn when in a delay slot.
18385         (output_sibcall): Likewise.
18386
18387 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
18388
18389         * arm.c (arm_cpp_interwork): New variable.
18390         (arm_override_options): Set it if TARGET_INTERWORK was on the command
18391         line.
18392         * arm.h (arm_cpp_interwork): Declare it.
18393         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
18394         __THUMB_INTERWORK__ in the preprocessor.
18395
18396 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
18397
18398         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
18399
18400 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
18401
18402         PR target/16416
18403         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
18404         Override default settings to account for -m32 and -m64.
18405
18406 2004-07-08  Randolph Chung  <tausq@debian.org>
18407
18408         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
18409
18410 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
18411
18412         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
18413         before comparing it as such.
18414
18415 2004-07-08  Richard Henderson  <rth@redhat.com>
18416
18417         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
18418         temporary.  Use bit arithmetic to align.
18419
18420 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
18421
18422         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
18423         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
18424         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
18425         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
18426         add_labels_and_missing_jumps, find_jump_block,
18427         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
18428         Likewise.
18429         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
18430         link_btr_uses, move_btr_def): Likewise.
18431         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
18432         expand_builtin_expect_jump): Likewise.
18433         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
18434         * calls.c (expand_call, emit_library_call_value_1): Likewise.
18435         * cfganal.c (forwarder_block_p): Likewise.
18436         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
18437         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
18438         find_bb_boundaries): Likewise.
18439         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
18440         merge_blocks_move_predecessor_nojumps,
18441         merge_blocks_move_successor_nojumps, insns_match_p,
18442         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
18443         try_optimize_cfg): Likewise.
18444         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
18445         * cfglayout.c (skip_insns_after_block, label_for_bb,
18446         record_effective_endpoints, insn_locators_initialize,
18447         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
18448         * cfgmainloop.c (create_loop_notes): Likewise.
18449         * cfgrtl.c (delete_insn, delete_insn_chain,
18450         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
18451         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
18452         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
18453         redirect_branch_edge, force_nonfallthru_and_redirect,
18454         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
18455         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
18456         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
18457         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
18458         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
18459         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
18460         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
18461         * combine.c (combine_instructions, can_combine_p, try_combine,
18462         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
18463         distribute_notes, distribute_links, insn_cuid): Likewise.
18464         * cse.c (fold_rtx, cse_insn, cse_around_loop,
18465         invalidate_skipped_block, cse_set_around_loop,
18466         cse_end_of_basic_block, cse_main, cse_basic_block,
18467         cse_condition_code_reg): Likewise.
18468         * cselib.c (cselib_process_insn): Likewise.
18469         * ddg.c (create_ddg): Likewise.
18470         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
18471         Likewise.
18472         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
18473         gen_label_die, dwarf2out_var_location): Likewise.
18474         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
18475         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
18476         last_call_insn, active_insn_p, next_label, prev_label,
18477         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
18478         add_insn_before, remove_insn, add_function_usage_to,
18479         reorder_insns, find_line_note, remove_unnecessary_notes,
18480         emit_insn_after_1, classify_insn): Likewise.
18481         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
18482         connect_post_landing_pads, sjlj_mark_call_sites,
18483         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
18484         can_throw_internal, can_throw_external, set_nothrow_function_flags,
18485         convert_to_eh_region_ranges): Likewise.
18486         * explow.c (optimize_save_area_alloca): Likewise.
18487         * expr.c (expand_expr_real): Likewise.
18488         * final.c (insn_current_reference_address, compute_alignments,
18489         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
18490         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
18491         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
18492         propagate_block_delete_insn, propagate_one_insn,
18493         init_propagate_block_info, propagate_block, libcall_dead_p,
18494         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
18495         Likewise.
18496         * function.c (instantiate_virtual_regs, reorder_blocks_1,
18497         expand_function_start, expand_function_end, contains,
18498         thread_prologue_and_epilogue_insns,
18499         reposition_prologue_and_epilogue_notes): Likewise.
18500         * gcse.c (constprop_register, bypass_conditional_jumps,
18501         insert_insn_end_bb, gcse_after_reload): Likewise.
18502         * genemit.c (gen_expand, gen_split): Likewise.
18503         * genpeep.c (gen_peephole, main): Likewise.
18504         * global.c (build_insn_chain): Likewise.
18505         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
18506         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
18507         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
18508         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
18509         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
18510         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
18511         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
18512         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
18513         dead_or_predicable): Likewise.
18514         * integrate.c (try_constants): Likewise.
18515         * jump.c (rebuild_jump_labels, cleanup_barriers,
18516         purge_line_number_notes, init_label_info, mark_all_labels,
18517         squeeze_notes, get_label_before, get_label_after,
18518         reversed_comparison_code_parts, simplejump_p, pc_set,
18519         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
18520         delete_barrier, delete_prior_computation, delete_computation,
18521         delete_related_insns, delete_for_peephole, redirect_jump):
18522         Likewise.
18523         * lcm.c (optimize_mode_switching): Likewise.
18524         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
18525         Likewise.
18526         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
18527         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
18528         * loop-iv.c (simplify_using_assignment): Likewise.
18529         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
18530         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
18531         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
18532         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
18533         check_insn_for_givs, check_final_value, update_giv_derive,
18534         basic_induction_var, product_cheap_p, check_dbra_loop,
18535         loop_insn_first_p, last_use_this_basic_block,
18536         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
18537         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
18538         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
18539         sms_schedule_by_order): Likewise.
18540         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
18541         * postreload.c (reload_cse_simplify_operands, reload_combine,
18542         reload_cse_move2add): Likewise.
18543         * predict.c (can_predict_insn_p, estimate_probability,
18544         expected_value_to_br_prob, process_note_predictions): Likewise.
18545         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
18546         * profile.c (branch_prob): Likewise.
18547         * ra-build.c (live_out_1, livethrough_conflicts_bb,
18548         detect_webs_set_in_cond_jump): Likewise.
18549         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
18550         ra_print_rtl_with_bb): Likewise.
18551         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
18552         * recog.c (next_insn_tests_no_inequality, find_single_use,
18553         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
18554         * reg-stack.c (next_flags_user, record_label_references,
18555         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
18556         compensate_edge, convert_regs_1): Likewise.
18557         * regclass.c (scan_one_insn): Likewise.
18558         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
18559         regmove_optimize, fixup_match_1, single_set_for_csa,
18560         combine_stack_adjustments_for_block): Likewise.
18561         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
18562         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
18563         find_equiv_reg): Likewise.
18564         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
18565         reload_as_needed, emit_input_reload_insns, do_output_reload,
18566         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
18567         Likewise.
18568         * reorg.c (find_end_label, emit_delay_sequence,
18569         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
18570         get_jump_flags, rare_destination, mostly_true_jump,
18571         try_merge_delay_insns, redundant_insn, own_thread_p,
18572         fill_simple_delay_slots, fill_slots_from_thread,
18573         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
18574         dbr_schedule): Likewise.
18575         * resource.c (find_basic_block, next_insn_no_annul,
18576         find_dead_or_set_registers, mark_target_live_regs): Likewise.
18577         * rtl.h (RTX_PREV): Likewise.
18578         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
18579         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
18580         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
18581         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
18582         tablejump_p, computed_jump_p, insns_safe_to_move_p,
18583         find_first_parameter_load, can_hoist_insn_p): Likewise.
18584         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
18585         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
18586         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
18587         schedule_ebbs): Likewise.
18588         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
18589         is_conditionally_protected, can_schedule_ready_p,
18590         add_branch_dependences, debug_dependencies): Likewise.
18591         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
18592         Likewise.
18593         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
18594         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
18595         set_dominates_use, ujump_to_loop_cont): Likewise.
18596         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
18597         * varasm.c (output_constant_pool_1): Likewise.
18598
18599 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
18600
18601         * tree-scalar-evolution.c: New file.
18602         * tree-scalar-evolution.h: New file.
18603         * tree-ssa-loop-niter.c: New file.
18604         * Makefile.in (SCEV_H): New.
18605         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
18606         * cfgloop.h (struct loop): Add bounds field.
18607         * tree-flow.h (struct tree_niter_desc): New type.
18608         (number_of_iterations_cond, number_of_iterations_exit,
18609         loop_niter_by_eval, find_loop_niter_by_eval,
18610         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
18611         free_numbers_of_iterations_estimates): Declare.
18612         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
18613         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
18614         * doc/invoke.texi (max-iterations-to-track): Document.
18615
18616 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
18617
18618         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
18619         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
18620         (MODE_AFTER): Add cast appropriately.
18621         * config/sh/sh.md (movdi splitter): Likewise.
18622         (casesi_worker_2): Add const qualifier appropriately.
18623         (eh_return): Remove unused variable.
18624         (insv): Initialize v;
18625
18626 2004-07-08  Richard Henderson  <rth@redhat.com>
18627
18628         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
18629         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18630         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
18631         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
18632         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
18633
18634         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
18635         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18636         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
18637         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
18638
18639         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
18640         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18641         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
18642         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
18643
18644         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
18645         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18646         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
18647         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
18648
18649         * config/i860/i860-protos.h (i860_va_arg): Remove.
18650         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18651         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
18652         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
18653
18654 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
18655
18656         * system.h: Prototype getpagesize if missing.
18657         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
18658         * configure: Regenerate.
18659         * config.in: Regenerate.
18660
18661 2004-07-08  Richard Henderson  <rth@redhat.com>
18662
18663         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
18664         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18665         (fr30_gimplify_va_arg_expr): New.
18666         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
18667         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
18668
18669 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
18670
18671         PR target/16414
18672         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
18673         of asm_noperands result.
18674
18675 2004-07-08  Richard Henderson  <rth@redhat.com>
18676
18677         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
18678         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18679         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
18680         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
18681
18682 2004-07-08  Richard Henderson  <rth@redhat.com>
18683
18684         * builtins.c (ind_gimplify_va_arg_expr): New.
18685         * tree.h (ind_gimplify_va_arg_expr): Declare.
18686         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
18687
18688 2004-07-08  Jan Beulich  <jbeulich@novell.com>
18689
18690         * expmed.c (extract_bit_field): Correct condition to use vec_extract
18691         patterns also on vector elements other than the first one.
18692         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
18693         break statements.
18694
18695 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
18696
18697         * config/rs6000/darwin-ldouble.c: Correct reference
18698         to the Linnainmaa paper.
18699
18700 2004-07-08  Richard Henderson  <rth@redhat.com>
18701
18702         * config/arc/arc-protos.h (arc_va_arg): Remove.
18703         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18704         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
18705         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
18706
18707         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
18708         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
18709         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
18710         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
18711
18712 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18713
18714         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
18715
18716 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
18717
18718         * c-decl.c (static_ctors, static_dtors): Make static.
18719         (pop_file_scope): Call c_common_write_pch and
18720         cgraph_finalize_compilation_unit here.
18721         (build_cdtor): Moved here from c-objc-common.c; simplify.
18722         (c_write_global_declarations_1): Clarify comment.
18723         (c_write_global_declarations): Close the external scope before
18724         doing anything else.  Call build_cdtor, cgraph_optimize, and
18725         mudflap_finish_file here.
18726         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
18727         Clarify comment.
18728         * c-objc-common.c: No need to include cgraph.h.
18729         (build_cdtor): Moved to c-decl.c.
18730         (c_objc_common_finish_file): Delete.
18731         * c-tree.h: Update to match.
18732         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
18733         (generate_static_references): Set TREE_USED before calling finish_decl.
18734         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
18735         on the static_instances_decl.
18736
18737 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
18738
18739         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
18740         decls when there is only one input translation unit.
18741         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
18742         change of 2004-07-05; do not treat declarations with
18743         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
18744         * opts.c (cur_in_fname): Delete.
18745         * opts.h: Likewise.
18746         * tree.c: Revert changes of 2004-07-05; no special treatment
18747         for TRANSLATION_UNIT_DECLs.
18748         * Makefile.in (tree.o): Update dependencies.
18749
18750 2004-07-08  Roger Sayle  <roger@eyesopen.com>
18751
18752         * builtins.c (fold_builtin_strcpy): Merge functionality from
18753         simplify_builtin_strcpy.  Add additional len argument.  No longer
18754         static.  Remove function prototype.
18755         (fold_builtin_strncpy): Likewise integrate functionality from
18756         simplify_builtin_strncpy.  Add additional slen argument.  No
18757         longer static.  Remove function prototype.
18758         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
18759         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
18760         types of "ignore" and "unlocked" parameters to bool.
18761         (fold_builtin_1):  Add additional ignore argument.  Call renamed
18762         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
18763         builtins.  Update arguments to fold_builtin_strncpy and
18764         fold_builtin_strcpy.  Add function prototype.
18765         (fold_builtin): Add additional Boolean ignore argument to pass
18766         to fold_builtin_1.
18767         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
18768         and fold_builtin_strncpy instead of simplify_builtin_fputs,
18769         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
18770
18771         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
18772         simplify_builtin_strncpy): Delete function prototypes.
18773         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
18774         fold_builtin_strncpy): Add function prototypes here.
18775         (fold_builtin): Update function prototype with new "bool ignore".
18776
18777         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
18778         (ccp_fold_builtin):  Update call to fold_builtin.  Call
18779         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
18780         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
18781         simplify_builtin_strncpy respectively.
18782         * fold-const.c (fold): Update call to fold_builtin.
18783
18784 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
18785
18786         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
18787         to strcpy.
18788
18789         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
18790         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
18791         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
18792         * calls.c: Remove ifdefs of macros above.
18793         * functions.c: Likewise.
18794         * expr.c: Likewise.
18795
18796 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18797
18798         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
18799         (arch attribute): Delete.
18800         (current_function_calls_alloca attribute): Rename into calls_alloca.
18801         (calls_eh_return): New attribute.
18802         (leaf_function): Likewise.
18803         (length attribute): Fix formula for sibcalls.
18804         (return insn): Correctly compute the 'length' attribute.
18805         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
18806
18807 2004-07-08  Richard Henderson  <rth@redhat.com>
18808
18809         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
18810         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
18811         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
18812         * tree-eh.c (lower_eh_constructs_1): Likewise.
18813         * tree-sra.c (sra_walk_modify_expr): Likewise.
18814         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
18815         (eliminate_unnecessary_stmts): Likewise.
18816         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18817         * tree-tailcall.c (optimize_tail_call): Likewise.
18818         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
18819
18820 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
18821             Jakub Jelinek  <jakub@redhat.com>
18822
18823         * config/i386/i386.c (override_options): Enable
18824         SSE prefetches with -mtune, as long as we are
18825         compiling for i686 or higher.  All i686 processors
18826         accept SSE prefetches as NOPS, some i586's don't.
18827
18828 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18829
18830         PR target/10567
18831         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
18832
18833 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
18834
18835         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
18836         the handling of clobbering ASM_EXPRs.
18837
18838 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18839
18840         PR target/16430
18841         * config/sparc/sparc.c (function_value): In 64-bit mode,
18842         return the aggregates larger than 16 bytes like unions.
18843
18844 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18845
18846         PR target/16199
18847         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
18848         'temp' is zero, generate new pseudos as needed and emit the
18849         sequence of insns in single-assignment form.  Resync comments
18850         with code.
18851         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
18852         function before reload.
18853
18854 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
18855
18856         * vec.c (vec_assert_fail): Remove duplicate 'function'.
18857
18858         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
18859
18860         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
18861         Allocation is signed.
18862         (VEC_reserve): Return flag, allocation is signed.
18863
18864 2004-07-08  Richard Henderson  <rth@redhat.com>
18865
18866         * tree-ssa-ccp.c (fold_stmt): Get type directly from
18867         OBJ_TYPE_REF_OBJECT.
18868
18869 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
18870             Neil Booth  <neil@daikokuya.co.uk>
18871
18872         PR c/2511
18873         PR c/3325
18874         * c-decl.c (finish_struct): Ensure bit-fields are given the
18875         correct type.
18876         * c-common.c (c_common_signed_or_unsigned_type): For C, require
18877         the precision to match as well as the mode.
18878         * expr.c (reduce_to_bit_field_precision): New function.
18879         (expand_expr_real_1): Reduce expressions of bit-field type to
18880         proper precision.
18881         * langhooks.h (reduce_bit_field_operations): New hook.
18882         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
18883         Define.
18884         * c-lang.c, objc/objc-lang.c
18885         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
18886         * objc/objc-act.c (check_ivars): Convert types to bit-field types
18887         before checking.
18888         * tree.c (build_nonstandard_integer_type): New function.
18889         * tree.h (build_nonstandard_integer_type): New prototype.
18890         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
18891         conversions between integer and boolean types as useless.
18892
18893 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
18894
18895         * c-common.c (c_common_nodes_and_builtins): Do not
18896         create __builtin_ptrdiff_t and __builtin_size_t.
18897
18898 2004-07-08  Andrew Pinski  <apinski@apple.com>
18899
18900         * Makefile.in (libbackend.o): Add -combine to the gcc
18901         command line.
18902
18903 2004-07-08  Nick Clifton  <nickc@redhat.com>
18904
18905         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
18906         Set to -Os.
18907
18908 2004-07-08  Richard Henderson  <rth@redhat.com>
18909
18910         * except.c (expand_eh_region_start, expand_eh_region_end,
18911         expand_eh_handler, expand_eh_region_end_cleanup,
18912         expand_start_all_catch, expand_start_catch, expand_end_catch,
18913         expand_end_all_catch, expand_eh_region_end_allowed,
18914         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
18915         expand_eh_region_end_fixup): Remove.
18916         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
18917         cleanups, outer_cleanups, label_chain, exception_region.
18918         (struct goto_fixup): Remove stack_level, cleanup_list_list.
18919         (struct label_chain): Remove.
18920         (struct stmt_status): Remove x_stack_block_stack.
18921         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
18922         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
18923         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
18924         end_cleanup_deferral, last_cleanup_this_contour,
18925         containing_blocks_have_cleanups_or_stack_level,
18926         any_pending_cleanups): Remove.
18927         (expand_null_return_1): Take no arguments.
18928         (expand_label, expand_naked_return, expand_return,
18929         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
18930         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
18931         expand_end_case_type): Don't use any of them.
18932         * calls.c (expand_call): Likewise.
18933         * dojump.c (do_jump): Likewise.
18934         * function.c (expand_function_end): Likewise.
18935         * expr.c (store_expr, expand_expr_real_1): Likewise.
18936         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
18937         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
18938         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
18939         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
18940         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
18941         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
18942         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
18943         for WITH_CLEANUP_EXPR.
18944         (gimple_push_cleanup): Likewise.
18945         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
18946         * print-tree.c (print_node): Likewise.
18947         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
18948         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
18949         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
18950         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
18951         (GOTO_SUBROUTINE_EXPR): Remove.
18952         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
18953         (DECL_TOO_LATE): Remove.
18954         * except.h, tree.h: Update decls.
18955
18956 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
18957
18958         * explow.c (optimize_save_area_alloca): Do not accept parameters.
18959         * passes.c (rest_of_handle_final): Handle symout.
18960         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
18961         Push timevar here.
18962         (rest_of_handle_sched): Break out SMS.  Remove ifs for
18963         flag_schedule_insns and flag_modulo_sched.
18964         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
18965         collect at the end.
18966         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
18967         (rest_of_handle_partition_blocks, rest_of_handle_sms,
18968         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
18969         rest_of_handle_mode_switching, rest_of_handle_jump,
18970         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
18971         rest_of_handle_jump2, rest_of_handle_postreload,
18972         rest_of_handle_flow2, rest_of_clean_state,
18973         rest_of_handle_shorten_branches,
18974         rest_of_handle_prologue_epilogue,
18975         rest_of_handle_branch_target_load_optimize): New.
18976         (rest_of_compilation): Call the above.  Remove ggc_collect
18977         calls moved to rest_of_handle_*.
18978         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
18979
18980         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
18981         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
18982         * except.h (set_nothrow_function_flags): Update comment.
18983         * function.c (current_function_nothrow): Remove.
18984         * output.h (current_function_nothrow): Remove.
18985         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
18986         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
18987
18988 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18989
18990         PR bootstrap/16326
18991         * reorg.c: Revert 2004-06-30 change.
18992         (find_end_label): If HAVE_epilogue and !HAVE_return,
18993         return 0 instead of creating a label at the end of the insn chain.
18994         (optimize_skip): Account for the failure mode of find_end_label.
18995         (fill_simple_delay_slots): Likewise.
18996         (fill_slots_from_thread): Likewise.
18997         (relax_delay_slots): Likewise.
18998
18999 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
19000
19001         * tree-flow.h (addressable_vars): Declare.
19002         * tree-ssa-alias.c (addressable_vars): Define.
19003         (setup_pointers_and_addressables): Add addressable variables
19004         to addressable_vars.
19005         * tree-ssa-operands.c (get_stmt_operands): Move
19006         handling of ASM_EXPRs ...
19007         (get_asm_expr_operands): ... here.
19008         When the ASM_EXPR clobbers memory, also clobber addressable
19009         variables.
19010         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
19011         (delete_tree_ssa): Reset addressable_vars.
19012
19013 2004-07-07  Jan Beulich  <jbeulich@novell.com>
19014             Richard Henderson  <rth@redhat.com>
19015
19016         * varasm.c (assemble_variable): Use assemble_zeros for
19017         zero-initialized variables.
19018         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
19019         for SECCAT_BSS and SECCAT_TBSS.
19020
19021 2004-07-07  Jan Beulich  <jbeulich@novell.com>
19022
19023         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
19024
19025         * expmed.c (emit_store_flag): Also special-case double-word
19026         (in-)equality comparison against -1.
19027
19028         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
19029         passing arguments the containers for which are registers.
19030
19031         * calls.c (emit_library_call_value_1): Use mode of function parameter
19032         rather than that of argument since constants have none.
19033
19034 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
19035
19036         Introduce H8SX support.
19037         * expr.c (expand_strcpy): Renamed and moved to...
19038         * builtins.c (expand_movstr): ... here.  Tweak.
19039         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
19040         computed or has side effects.
19041         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
19042         unused, or if mempcpy fails.  Adjust the return value in the
19043         latter case.  Use movstr if everything else fails.
19044         * doc/md.texi (movstr): Document.
19045         (movmemM, clrmemM): Fix explanation of memory block operands.
19046         * config/h8300/h8300.md (stpcpy): Renamed to...
19047         (movstr): ... this.  Adjust.
19048         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
19049         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
19050         movmem* and clrstr* to clrmem*.
19051         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
19052         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
19053         GENERAL_REGS, always.
19054         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
19055         getting the stack pointer as addr.
19056         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
19057         from general_operand_dst.
19058         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
19059         variant of...
19060         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
19061         instead of requiring it to match only before reload.
19062         (stpcpy_internal_normal): New, normal-mode variant of...
19063         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
19064         `D' instead of requiring it to match only before reload.
19065         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
19066         mode argument.
19067         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
19068         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
19069         h8300_get_index.
19070         * config/h8300/h8300.md (attr type): Add call.
19071         (attr can_delay): If type is call, set it no.
19072         (call, call_value): Set type to call.
19073         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
19074         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
19075         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
19076         * tree.c (get_narrower): Don't narrow integral types into
19077         non-integral types.
19078         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
19079         frame_size *before* the first use.
19080         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
19081         on input.
19082         (peephole2): Don't widen instructions that push SP.  Move
19083         decrement of SP to the end of all stm-generating peepholes.
19084         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
19085         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
19086         and OR to set it to all ones.
19087         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
19088         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
19089         (call, call_value): Set can_delay to "no".
19090         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
19091         * config/h8300/h8300.md (extzv): Make subreg check more robust.
19092         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
19093         * config/h8300/h8300.md (*brabit): Remove.
19094         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
19095         zero_extract.  Use bit_memory_operand as the predicate for
19096         operand 1 and 'WU' as the constraint.  Check the difference
19097         between the base length and the final one when deciding which
19098         type of branch to use.
19099         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
19100         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
19101         Use convert_move to extend the result for TARGET_H8300SX.  Check
19102         for QImode memory references.  Optimize the case where the
19103         destination is a paradoxical subreg.
19104         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
19105         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
19106         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
19107         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
19108         * config/h8300/h8300.md: Include mova.md
19109         (length_table): Add mova and mova_zero.
19110         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
19111         after all constant addresses for '%R', '%X', '%T' and '%S'.
19112         (h8300_mova_length): New function.
19113         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
19114         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
19115         dependencies for s-config, etc.
19116         * config/h8300/gemova.sh: New file.
19117         * config/h8300/mova.md: Generated.
19118         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
19119         * config/h8300/h8300.c (h8300_bitfield_length): New.
19120         (nibble_operand): Adjust.
19121         (h8300_binary_length): Handle conditional binary op.
19122         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
19123         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
19124         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
19125         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
19126         constraints.  WU is introduced as a variant of U that requires a
19127         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
19128         * config/h8300/h8300.md (attr type): Added bitbranch.
19129         (attr length_table): Added bitfield and bitbranch.
19130         (attr length): Compute bitbranch length.
19131         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
19132         least-significant bit of a byte.
19133         (brabit, brabc, brabs): New.
19134         (insv, extzv): Emit bfst and bfld on H8300SX.
19135         (bfld, bfst, seq, sne): New.
19136         (bstzhireg, cmpstz, bstz, bistz): New.
19137         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
19138         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
19139         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
19140         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
19141         (h8sx_unary_memory_operator): New function.
19142         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
19143         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
19144         * config/h8300/h8300.md: Add peepholes to combine reloads and
19145         arithmetic insns.
19146         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
19147         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
19148         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
19149         (and?i, ior?i, xor?i): Likewise.
19150         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
19151         * config/h8300/h8300.c: Move enums and prototypes to head of file.
19152         Various whitespace fixes.
19153         (h8300_constant_length): New function, split out from...
19154         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
19155         (h8300_classify_operand): Use IN_RANGE.
19156         (h8300_classify_operand): Use h8300_constant_length.
19157         (h8300_short_move_mem_p): Tighten size check.
19158         (h8sx_mergeable_memrefs_p): Tighten equality check.
19159         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
19160         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
19161         for -msx.
19162         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
19163         * config/h8300/crtn.asm: Likewise.
19164         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
19165         if __H8300SX__ is defined.
19166         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
19167         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
19168         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
19169         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
19170         addresses as mode-dependent.
19171         * config/h8300/h8300.c (print_operand_address): Update call to
19172         h8300_get_index.
19173         (h8300_get_index): Take a mode argument.  Rework to fix an
19174         earlier misunderstanding.
19175         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
19176         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
19177         into a register if TARGET_H8300SX.
19178         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
19179         TARGET_H8300SX.  Also disable related define_splits.
19180         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
19181         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
19182         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
19183         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
19184         * config/h8300/h8300.h (OK_FOR_Z): New macro.
19185         (EXTRA_CONSTRAINT_STR): Check it.
19186         * config/h8300/h8300.c (h8300_classify_operand): Accept null
19187         class arguments.
19188         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
19189         * config/h8300/h8300.md (length_table): Add mov_imm4.
19190         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
19191         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
19192         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
19193         be a label.
19194         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
19195         * config/h8300/h8300.c (h8300_reorg): New function.
19196         (TARGET_MACHINE_DEPENDENT_REORG): Define.
19197         * config/h8300/h8300.md (length): Subtract the length of the
19198         delay slot from (pc) when checking the range of forward branches.
19199         (delay_slot, can_delay): New attributes.
19200         (define_delay): Add bra/s handling.
19201         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
19202         (jump): Add delayed-branch handling.
19203         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
19204         * expr.c (expand_strcpy): New function.
19205         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
19206         (expand_builtin_stpcpy): Likewise.
19207         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
19208         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
19209         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
19210         handling to improve register allocation for -fno-omit-frame-pointer.
19211         (h8sx_split_movmd): Delete, moving er6 handling into...
19212         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
19213         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
19214         (movmd): Add calls to copy_rtx.
19215         (movmd_internal): In the second alternative, allow the initial and
19216         final destination registers to be different .  Update the splitter
19217         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
19218         instead of h8sx_split_movmd.
19219         (stpcpy, movsd): New expanders.
19220         (movsd_internal): New define_insn.
19221         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
19222         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
19223         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
19224         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
19225         and DESTINATION_REGS.
19226         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
19227         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
19228         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
19229         (h8300_move_ratio): Declare.
19230         (MOVE_RATIO): Use it.
19231         * config/h8300/h8300.c (h8300_move_ratio): New variable.
19232         (h8300_init_once): Initialize it.
19233         (h8300_reg_class_from_letter): New function.
19234         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
19235         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
19236         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
19237         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
19238         (movstrsi, movmd): New expanders.
19239         (movmd_internal): New insn.
19240         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
19241         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
19242         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
19243         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
19244         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
19245         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
19246         * config/h8300/h8300.c (nibble_operand): Fix warning.
19247         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
19248         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
19249         (movsf_h8300h): Disable for TARGET_H8300SX.
19250         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
19251         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
19252         h8300_stm_parallel and h8300_return_parallel.
19253         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
19254         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
19255         h8300_stm_parallel, h8300_return_parallel): New functions.
19256         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
19257         if TARGET_H8300SX.  Use h8300_push_pop.
19258         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
19259         and final pop when generating h8sx code.  Always emit some form
19260         of return insn.
19261         * config/h8300/h8300.md: Don't enforce register alignment in
19262         stm peepholes if TARGET_H8300SX.
19263         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
19264         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
19265         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
19266         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
19267         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
19268         (MULTILIB_DIRNAMES): Add a directory for it.
19269         (MULTILIB_MATCHES): Delete.
19270         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
19271         * final.c (walk_alter_subreg): Handle addresses with subregs
19272         inside a ZERO_EXTEND or AND.
19273         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
19274         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
19275         if TARGET_H8300SX.
19276         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
19277         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
19278         @(dd,Rn.w) and @(dd,ERn.L).
19279         (h8300_displacement_size): Take the whole address as argument.
19280         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
19281         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
19282         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
19283         (h8sx_mergeable_memrefs_p): Declare.
19284         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
19285         (HAVE_PRE_INCREMENT): Likewise.
19286         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
19287         addresses for TARGET_H8300SX,
19288         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
19289         and POST_DEC.
19290         (movb_length_table, movl_length_table): New tables.
19291         (movw_length_table): Define to movb_length_table.
19292         (h8300_displacement_size): New, split out from...
19293         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
19294         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
19295         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
19296         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
19297         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
19298         (compute_plussi_length, compute_plussi_cc): Update accordingly.
19299         (h8sx_unary_shift_operator): Get the mode from the operator.
19300         (binary_shift_operator): Likewise.
19301         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
19302         a memory reference, check whether the reference is offsettable.
19303         (length_table): Add movb, movw and movl.
19304         (movqi): Add new h8sx pattern.  Don't force one operand to be a
19305         register when generating h8sx code.
19306         (movhi, movsi, movsf): Likewise.
19307         (movstrictqi): Use the length_table attribute.
19308         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
19309         (addqi3): Split into a define_expand and define_insn.  Don't accept
19310         memory operands in the expander.  Use h8300_operands_match_p to
19311         check for matching operands in the define_insn.
19312         (subqi3, negqi2, one_cmplqi2): Likewise.
19313         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
19314         in any patterns that are unused in h8sx code.  In the h8sx patterns,
19315         use h8300_operands_match_p to check whether operands match.
19316         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
19317         one_cmpl[hs]i3): Likewise.
19318         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
19319         in the expander.
19320         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
19321         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
19322         (h8300_insn_length_from_table): Add a second parameter.
19323         (output_h8sx_shift): Declare.
19324         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
19325         (EXTRA_CONSTRAINT): Replace with...
19326         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
19327         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
19328         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
19329         and h8sx_binary_shift_operator.
19330         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
19331         for TARGET_H8300SX.
19332         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
19333         (bit_memory_operand, fix_bit_operand): Likewise.
19334         (h8300_length_table_for_insn): Remove.
19335         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
19336         instructions.
19337         (h8300_short_immediate_length, h8300_binary_length): New functions.
19338         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
19339         (output_plussi): Use sub to add negative constants.
19340         (compute_plussi_length): Adjust accordingly.
19341         (h8sx_single_shift_type): New enum.
19342         (h8sx_single_shift, h8sx_unary_shift_operator,
19343         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
19344         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
19345         single h8sx instruction.  Return false in this case.
19346         * config/h8300/h8300.md (length_table): Add short_immediate.
19347         (length): Pass the operand array to h8300_insn_length_from_table.
19348         (adjust_length): Assume "no" for insns with a length_table attribute.
19349         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
19350         (*addhi3_h8300hs): Don't use for h8sx.
19351         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
19352         and sub.w #xx:3.
19353         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
19354         1's predicate to nonimmediate_operand.  Only skip default expansion
19355         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
19356         for single h8sx shift instructions.
19357         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
19358         * config/h8300/h8300.c (nibble_operand): Split out of...
19359         (reg_or_nibble_operand): ... this.
19360         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
19361         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
19362         umulhisi3): Introduce expand, and introduce separate insns for
19363         sign- or zero-extended REG and already-extended CONST_INT.
19364         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
19365         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
19366         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
19367         (subhi3): Likewise.  Don't accept immediates for operand 1.
19368         Remove the early clobber from second alternative of the h8300s pattern.
19369         (subsi3): Generalize for h8sx.  Force operand 2 into a register
19370         on plain h8300 targets.
19371         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
19372         (subsi3_h8300h): Generalize for h8sx.
19373         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
19374         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
19375         * config/h8300/h8300.c (reg_or_nibble_operand): New.
19376         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
19377         (TARGET_H8300SXMUL): New.
19378         (CONST_OK_FOR_P): New.
19379         (CONST_OK_FOR_LETTER_P): Adjust.
19380         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
19381         umulhisi3): Accept 4-bit immediate on H8SX.
19382         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
19383         (udivsi3, divhi3, udivsi3, divsi3): New.
19384         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
19385         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
19386         * config/h8300/h8300.h (OK_FOR_Q): New macro.
19387         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
19388         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
19389         Add ADDRESSOF to the bit_operand entry.
19390         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
19391         (h8300_src_operand): Likewise.
19392         (bit_operand): Check nonimmediate_operand rather than general_operand.
19393         Accept any nonimmediate_operand in h8sx code.
19394         (h8300_and_costs): Initialize operands[1].
19395         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
19396         (h8300_operand_class): New enum.
19397         (h8300_length_table): New typedef.
19398         (addb_length_table, addw_length_table, addl_length_table,
19399         logicl_length_table): New tables.
19400         (logicb_length_table, logicw_length_table): New macros.
19401         (h8300_classify_operand, h8300_length_from_table,
19402         h8300_length_table_for_insn, h8300_unary_length,
19403         h8300_insn_length_from_table): New functions.
19404         (output_plussi): Only use adds and subs for register destinations.
19405         Disable redundant clause.
19406         (compute_plussi_cc): Likewise.
19407         (compute_plussi_length): Likewise.  Use h8300_length_from_table
19408         to work out the length of an insn.
19409         (output_logical_op): Only use narrower immediate instructions
19410         if the destination is a register.
19411         (compute_logical_op_cc): Likewise.
19412         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
19413         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
19414         * config/h8300/h8300.md (length_table): New attribute.
19415         (length): When an instruction has a length_table attribute, use
19416         h8300_insn_length_from_table to calculate its default length.
19417         (cmpqi): Use h8300_dst_operand for the first operand and
19418         h8300_src_operand for the second.
19419         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
19420         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
19421         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
19422         iorsi3, xorhi3, xorsi3): Likewise.
19423         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
19424         so that it allows any combination of operands for TARGET_H8300SX.
19425         (iorqi3, xorqi3): Likewise.
19426         (cmpqi): Use the length_table attribute.
19427         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
19428         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
19429         (cmpqi): Add 'Q' constraint.
19430         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
19431         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
19432         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
19433         * config/h8300/h8300.h (MASK_H8300SX): New macro.
19434         (TARGET_H8300S): True for both -ms and -msx.
19435         (TARGET_H8300SX): New macro.
19436         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
19437         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
19438         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
19439         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
19440         [Temporary change.]
19441         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
19442         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
19443         16-bit pointers and 32-bit ints.
19444         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
19445         CONST_DOUBLE with mode no wider than SImode.
19446         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
19447         output operand.
19448         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
19449         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
19450         or SUBREG thereof.
19451         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
19452         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
19453         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
19454
19455 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
19456
19457         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
19458
19459 2004-07-07  Per Bothner  <per@bothner.com>
19460
19461         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
19462
19463 2004-07-07  Mike Stump  <mrs@apple.com>
19464
19465         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
19466         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
19467         (machopic_finish): Likewise.
19468
19469 2004-07-07  Richard Henderson  <rth@redhat.com>
19470
19471         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
19472         through any value-preserving cast.
19473
19474 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
19475
19476         * function.c (assign_parm_find_data_types): Call
19477         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
19478
19479 2004-07-07  Steven Bosscher  <stevenb@suse.de>
19480
19481         * tree-cfg.c (group_case_labels): Remove case labels that have
19482         the same target as the default case.
19483
19484 2004-07-07  Steven Bosscher  <stevenb@suse.de>
19485
19486         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
19487         regardless of DECL_LANG_SPECIFIC being present or not.
19488         * tree.h (DECL_NUM_STMTS): Purge.
19489
19490 2004-07-07  Andrew Pinski  <apinski@apple.com>
19491
19492         * configure: Regenerate with the right autoconf.
19493
19494 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
19495
19496         * ifcvt.c (total_bb_rtx_cost): New function.
19497         (find_if_case_1): Compare rtx_cost of basic block to cost of
19498         BRANCH_COST insns.
19499         (find_if_case_2): Same.
19500
19501 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19502
19503         PR target/10567
19504         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
19505         (output_return): Likewise.
19506         (output_sibcall): Abort if !flag_delayed_branch.
19507         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
19508         (emit_and_preserve): New function.
19509         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
19510         indirect jump to the thunked-to function if !flag_delayed_branch.
19511         * config/sparc/sparc.md (delayed_branch): New attribute.
19512         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
19513         attribute to compute the length of the insn.
19514         (goto_handler_and_restore): Likewise.
19515
19516 2004-07-07  Andrew Pinski  <apinski@apple.com>
19517
19518         PR tree-optimization/15777
19519         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
19520
19521         * expr.c (expand_expr_real_1): Fix formating.
19522         BUFFER_REF and IN_EXPR are dead.
19523         * fold-const.c (non_lvalue): BUFFER_REF is dead.
19524         * tree-inline.c (estimate_num_insns_1): Likewise.
19525         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
19526         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
19527         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
19528
19529 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
19530
19531         * collect2.c (dump_file): Don't call cplus_demangle if
19532         HAVE_LD_DEMANGLE is defined.
19533         (main): Pass "--demangle" to ld if no_demangle is not 0 and
19534         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
19535         if HAVE_LD_DEMANGLE is defined.
19536
19537         * configure.ac (--with-demangler-in-ld): Added
19538         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
19539         --with-demangler-in-ld is used.
19540         * config.in: Regenerated.
19541         * configure: Likewise.
19542
19543 2004-07-07  Roger Sayle  <roger@eyesopen.com>
19544
19545         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
19546         for simple floating point operations "fp", double precision
19547         multiplication "dmul", and single and double precision division
19548         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
19549         (ppc630_cost): New table split from ppc620_cost, to distinguish
19550         differences in floating point latencies.
19551         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
19552         (rs6000_rtx_costs): Add support for single and double precision
19553         floating point addition, subtraction, multiplication, division,
19554         fused-multiply-add, fused-multiply-sub, negation, absolute value
19555         and negative absolute value.  Tweak MEM case to use prefered idiom.
19556
19557 2004-07-07  Richard Henderson  <rth@redhat.com>
19558
19559         * tree-flow-inline.h (may_propagate_copy): Move...
19560         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
19561         attempt to copy between types requiring conversion.
19562         * tree-flow.h (may_propagate_copy): Update decl.
19563         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
19564
19565 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
19566
19567         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
19568         from -mtune= option.
19569
19570 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
19571
19572         * builtins.c: Rename movstr*, except for movstrict*, to
19573         movmem* and clrstr* to clrmem*.
19574         * expr.c: Likewise.
19575         * expr.h: Likewise.
19576         * genopinit.c: Likewise.
19577         * integrate.c: Likewise.
19578         * local-alloc.c: Likewise.
19579         * optabs.c: Likewise.
19580         * optabs.h: Likewise.
19581         * config/alpha/alpha.h: Likewise.
19582         * config/alpha/alpha.md: Likewise.
19583         * config/arm/arm-protos.h: Likewise.
19584         * config/arm/arm.c: Likewise.
19585         * config/arm/arm.md: Likewise.
19586         * config/avr/avr.md: Likewise.
19587         * config/c4x/c4x.c: Likewise.
19588         * config/c4x/c4x.md: Likewise.
19589         * config/frv/frv.md: Likewise.
19590         * config/i386/i386-protos.h: Likewise.
19591         * config/i386/i386.c: Likewise.
19592         * config/i386/i386.h: Likewise.
19593         * config/i386/i386.md: Likewise.
19594         * config/i860/i860.c: Likewise.
19595         * config/i860/i860.md: Likewise.
19596         * config/ip2k/ip2k.md: Likewise.
19597         * config/ip2k/libgcc.S: Likewise.
19598         * config/ip2k/t-ip2k: Likewise.
19599         * config/m32r/m32r.c: Likewise.
19600         * config/m32r/m32r.md: Likewise.
19601         * config/mcore/mcore.md: Likewise.
19602         * config/mips/mips.c: Likewise.
19603         * config/mips/mips.md: Likewise.
19604         * config/ns32k/ns32k.c: Likewise.
19605         * config/ns32k/ns32k.h: Likewise.
19606         * config/ns32k/ns32k.md: Likewise.
19607         * config/pa/pa.c: Likewise.
19608         * config/pa/pa.md: Likewise.
19609         * config/pdp11/pdp11.h: Likewise.
19610         * config/pdp11/pdp11.md: Likewise.
19611         * config/rs6000/rs6000.c: Likewise.
19612         * config/rs6000/rs6000.md: Likewise.
19613         * config/s390/s390-protos.h: Likewise.
19614         * config/s390/s390.c: Likewise.
19615         * config/s390/s390.md: Likewise.
19616         * config/sh/lib1funcs.asm: Likewise.
19617         * config/sh/sh.c: Likewise.
19618         * config/sh/sh.md: Likewise.
19619         * config/sh/t-sh: Likewise.
19620         * config/sparc/sparc.h: Likewise.
19621         * config/vax/vax.md: Likewise.
19622         * config/xtensa/xtensa.c: Likewise.
19623         * config/xtensa/xtensa.md: Likewise.
19624         * doc/invoke.texi: Likewise.
19625         * doc/md.texi: Likewise.
19626         * doc/rtl.texi: Likewise.
19627
19628 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
19629
19630         PR target/16407
19631         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
19632         * config/mips/mips.c (mips_declare_common_object): New function,
19633         mostly split out from...
19634         (mips_output_aligned_decl_common): ...here.
19635         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
19636         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
19637         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
19638         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
19639
19640 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19641
19642         PR c/16392
19643         * function.c (assign_parms): Fix typo from previous change.
19644
19645 2004-07-07  Jason Merrill  <jason@redhat.com>
19646
19647         PR c++/15815
19648         * doc/extend.texi (C++ Interface): Correct information and
19649         discourage use.
19650
19651 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
19652
19653         PR target/16130
19654         PR target/16142
19655         PR target/16143
19656         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
19657         insn.
19658
19659 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
19660
19661         PR target/1679.
19662         * config/m32r/m32r.c (m32r_function_symbol): New function:
19663         Generate a symbol name RTX with the correct m32r specific flags
19664         set.
19665         (block_move_call): Use new function to generate correct symbol.
19666         * config/m32r/m32r-protos.h: Add prototype for new funcion.
19667         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
19668         function.
19669
19670 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
19671
19672         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
19673         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
19674         TYPE_BINFO_BASETYPE): Remove.
19675         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
19676         to ...
19677         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
19678         here.
19679         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
19680         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
19681         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
19682         (struct tree_binfo): Rename base_types to base_binfos.
19683         * alias.c (record_component_aliases): Adjust BINFO macros.
19684         * dbxout.c (dbxout_type): Likewise.
19685         * dwarf2out.c (gen_member_die): Likewise.
19686         * sdbout.c (sdbout_one_type): Likewise.
19687         * tree-dump.c (deque_and_dump): Likewise.
19688         * config/i386/i386.c (classify_argument,
19689         contains_128bit_aligned_vector_p): Likewise.
19690
19691 2004-07-07  Nick Clifton  <nickc@redhat.com>
19692
19693         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
19694         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
19695
19696 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
19697
19698         * vec.h: Fix the example use.
19699
19700 2004-07-06  Richard Henderson  <rth@redhat.com>
19701
19702         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
19703         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
19704         * tree-inline.c (copy_body_r, setup_one_parameter,
19705         initialize_inlined_parameters, expand_call_inline,
19706         declare_inline_vars): Don't check it.
19707         (expand_calls_inline): Remove old version, rename new version
19708         from gimple_expand_calls_inline.
19709         * tree-optimize.c (execute_gimple): Remove.
19710         (pass_gimple): Don't run anything.
19711
19712 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
19713
19714         * doc/sourcebuild.texi: Use semicolons instead of commas in
19715         section title.
19716
19717 2004-07-06  Richard Henderson  <rth@redhat.com>
19718
19719         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
19720         (sra_walk_modify_expr, scan_init): Likewise.
19721         (generate_element_zero): Check visited before scanning children.
19722         (generate_element_init): Set visited on error.
19723         (scalarize_init): Handle generate_element_init failure similar
19724         to use_block_copy.
19725
19726 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
19727
19728         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
19729         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
19730
19731 2004-07-06  Richard Henderson  <rth@redhat.com>
19732
19733         * config/i386/i386.c (legitimize_pic_address): Make static.
19734         (legitimize_address): Handle CONST with TLS operand.
19735         (ix86_expand_move): Don't call legitimize_pic_address directly.
19736         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
19737
19738 2004-07-06  Roger Sayle  <roger@eyesopen.com>
19739
19740         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
19741         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
19742         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
19743         is currently executed unconditionally, i.e. not in "else_bb".
19744
19745 2004-07-06  Steven Bosscher  <stevenb@suse.de>
19746
19747         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
19748         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19749         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
19750         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19751         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
19752         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19753         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
19754         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19755         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
19756         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19757         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
19758         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19759         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
19760         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19761         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
19762         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
19763
19764 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
19765
19766         * dojump.c (do_jump): REFERENCE_EXPR is dead.
19767         * expr.c (expand_expr_real_1): Ditto.
19768         * tree-inline.c (estimate_num_insns_1): Ditto.
19769         * tree-pretty-print.c (dump_generic_node): Ditto.
19770         (op_symbol): Ditto.
19771         * tree.def: Ditto.
19772
19773 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
19774
19775         * tree-ssa-pre.c (reference_node_pool): New pool.
19776         (find_or_generate_expression): Class 'r' is okay too.
19777         (create_value_expr_from): Ditto.
19778         (add_to_sets): LHS should not include vuses.
19779         (eliminate): Ditto.
19780         (compute_avail): Reverse ordering of tests.
19781         Valuize INDIRECT_REF as well.
19782
19783 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
19784
19785         PR rtl-optimization/16380
19786         * loop.c (check_dbra_loop): Sink comparison instructions if they
19787         do something other than set cc0.
19788
19789 2004-07-06  James E Wilson  <wilson@specifixinc.com>
19790
19791         * doc/interface.texi (longjmp and automatic variables): Delete
19792         paragraph recommending taking the address of a variable.
19793
19794 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
19795
19796         * vec.h (VEC_embedded_alloc): Remove.
19797         (VEC_embedded_size, VEC_embedded_init): New.
19798         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
19799         MEM_STAT_INFO.
19800         (VEC_truncate): New.
19801         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
19802         (vec_embedded_alloc): Remove.
19803         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
19804         (vec_embedded_alloc): Remove.
19805
19806 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
19807
19808         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
19809         (gt-langhooks.h): Remove.
19810
19811 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
19812
19813         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
19814
19815 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
19816
19817         * config/sparc/sparc.c (get_pc_symbol): Rename into
19818         add_pc_to_pic_symbol.
19819         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
19820         (load_pic_register): Account for previous changes.
19821         Use reg_names.  Don't create the label twice.
19822         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
19823         UNSPEC_LOAD_PCREL_SYM.
19824         (get_pc): Rename into load_pcrel_sym.  Add predicate to
19825         operands.  Remove condition.
19826
19827 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
19828
19829         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
19830         RECORD, UNION & QUAL_UNION is actually a binfo.
19831
19832         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
19833         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
19834         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
19835         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
19836         * dwarf2out.c (add_data_member_location_attribute): Likewise.
19837         (gen_inheritance_die): Likewise.
19838         * tree-dump.c (deque_and_dump): Likewise.
19839         * doc/c-tree.texi (Binfos): Add under reconstruction note.
19840
19841 2004-07-06  Steven Bosscher  <stevenb@suse.de>
19842
19843         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
19844         Define.
19845         * config/mcore/mcore.md: Model memory latency with a simple DFA
19846         pipeline description instead of a define_function_unit.
19847
19848 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19849
19850         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
19851         * langhooks.h (var_mod_type_p): Likewise.
19852         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
19853         * expr.c (count_type_elements): Properly handle return from
19854         array_type_nelts and properly test for overflow.
19855         * gimplify.c (gimplify_init_constructor): Properly handle return
19856         from array_type_nelts.
19857         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
19858         * integrate.c (copy_decl_for_inlining): Correct comments.
19859         * tree-inline.c (remap_decl): Update comments, remove dead code,
19860         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
19861         (remap_type): Only remap if variably modified by vars in function
19862         being inlined.
19863         (copy_body_r): Use compatible_type langhooks to see when can fold.
19864         (setup_one_parameter): Don't remap type.
19865         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
19866         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
19867         compute TREE_INVARIANT for decl case.
19868         (find_var_from_fn): New function.
19869         (variably_modified_type_p): Add arg and call new function.
19870         * tree.h (variably_modified_type_p): Add extra arg.
19871
19872 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
19873
19874         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
19875         (goto_handler_and_restore_v9): Delete disabled insn.
19876         (goto_handler_and_restore_v9_sp64): Likewise.
19877
19878 2004-07-05  Roger Sayle  <roger@eyesopen.com>
19879
19880         * calls.c (load_register_parameters): Call expand_shift instead
19881         of expand_binop with ashl_optab (or other shift optab) directly.
19882         * expr.c (emit_group_load, emit_group_store): Likewise.
19883         * function.c (assign_parm_setup_block): Likewise.
19884         * stmt.c (shift_return_value): Likewise.
19885
19886 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
19887
19888         * expr.c (expand_assignment): Disable the bitfield += optimizations.
19889
19890 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
19891
19892         * doc/sourcebuild.texi: Revert previous patch.
19893
19894 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
19895
19896         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
19897         TARGET_MEM_FUNCTIONS.
19898         * system.h: Poison TARGET_MEM_FUNCTIONS.
19899         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
19900         bcmp_libfunc, bzero_libfunc): Remove.
19901         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
19902         bzero_libfunc.
19903         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
19904         * doc/standards.texi: Don't mention calling BSD string functions.
19905         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
19906         * config/vax/t-memfuncs: New.
19907         * config/memcmp.c, config/memcpy.c, config/memmove.c,
19908         config/memset.c: New.
19909         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
19910         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
19911         vax/t-memfuncs.
19912         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
19913         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
19914         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
19915         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
19916         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
19917         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
19918         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
19919         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
19920         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
19921         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
19922
19923 2004-07-05  Richard Henderson  <rth@redhat.com>
19924
19925         * function.c (assign_parm_setup_reg): Properly rename variables in
19926         FUNCTION_ARG_CALLEE_COPIES section.
19927
19928 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
19929
19930         * tree-mudflap.c: Include cgraph.h.
19931         (mf_init_extern_trees): Rename to mudflap_init.  Export.
19932         Rewrite to create synthetic declarations instead of looking
19933         up declarations from mf-runtime.h.
19934         (mf_make_builtin, mf_make_cache_struct_type): New functions.
19935         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
19936         Correct commentary.
19937         (execute_mudflap_function_decls, mudflap_register_call):
19938         Don't call mf_init_extern_trees.
19939         (mudflap_finish_file): Use cgraph_build_static_cdtor.
19940
19941         * tree-mudflap.h: Update prototypes.
19942         * c-mudflap.c: Delete file.
19943         * c-common.c: Include tree-mudflap.h.
19944         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
19945         * Makefile.in: Remove all references to c-mudflap.o.
19946         Update dependencies.
19947
19948 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19949
19950         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
19951         displacements with the spatial-locality cache-control completer.
19952
19953 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
19954
19955         * langhooks.c: Don't include gt-langhooks.h.
19956         (var_labelno): Delete.
19957         (lhd_set_decl_assembler_name): Do not append a distinguishing
19958         number to file-scope internal-linkage declarations for the first
19959         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
19960         the declaration itself (if at block scope), or its containing
19961         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
19962         number.
19963
19964         * opts.c (cur_in_fname): New global.
19965         * opts.h: Declare it.
19966         * tree.c: Include opts.h.
19967         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
19968         DECL_UID equal to cur_in_fname.
19969         (copy_node_stat): Do not change DECL_UID when copying a
19970         TRANSLATION_UNIT_DECL.
19971         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
19972         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
19973
19974         * c-decl.c (c_static_assembler_name): Delete.
19975         * c-tree.h (c_static_assembler_name): Delete prototype.
19976         * c-lang.c, objc/objc-lang.c: Don't override
19977         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
19978
19979         * Makefile.in (tree.o): Update dependencies.
19980         (GTFILES): Remove langhooks.c.
19981
19982 2004-07-05  Roger Sayle  <roger@eyesopen.com>
19983
19984         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
19985         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
19986         Normalize "X % C" as "X % -C" for signed modulus and negative C.
19987         Optimize "X % -Y" as "X % Y" for signed modulus.
19988         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
19989         into "((unsigned) X % Y) == 0".
19990
19991 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
19992
19993         * sourcebuild.texi (Config Fragments): Use @comma{} in
19994         cross-reference to section title.
19995
19996 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19997
19998         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
19999         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
20000         (gimplify_target_expr, gimplify_expr): Likewise.
20001         (copy_if_shared_r): No longer need special case for BIND_EXPR.
20002         (unshare_body, unvisit_body): Only look at nested if BODY_P is
20003         whole function.
20004         (gimplify_compound_lval): See if we can strip any useless conversion.
20005         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
20006         from RHS, not LHS.
20007         (gimplify_modify_expr_to_memset): Likewise.
20008         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
20009         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
20010         (declare_inline_vars): Likewise.
20011         (walk_type_fields): New function.
20012         (walk_tree): Use it.
20013         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
20014
20015         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
20016         (sra_walk_modify_expr): Allow init function to fail.
20017         (scan_init): Now returns bool.
20018         (generate_element_init): If can't understand INIT, return false.
20019         (scalarize_init): Return false if generate_element_init does.
20020
20021         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
20022         print bounds.
20023
20024         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
20025         bounds if bounds aren't constant.
20026
20027         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
20028
20029         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
20030         to type hooks; remove bogus PARAMS.
20031
20032 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
20033
20034         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
20035         * dwarf2out.c (add_data_member_location_attribute): Check for
20036         TREE_BINFO.
20037         * tree.c (tree_node_kinds): Add "binfos".
20038         (binfo_lang_slots): New.
20039         (make_node_stat): Add TREE_BINFO.
20040         (make_tree_binfo_stat): New.
20041         (tree_node_structure): Add TREE_BINFO.
20042         * tree.def (TREE_BINFO): New.
20043         * tree.h (REC_OR_UNION_CHECK): Rename to ...
20044         (RECORD_OR_UNION_CHECK): ... here.
20045         (NOT_RECORD_OR_UNION_CHECK): New.
20046         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
20047         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
20048         RECORD_OR_UNION_CHECK.
20049         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
20050         (TYPE_LANG_SLOT_1): New.
20051         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
20052         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
20053         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
20054         (BINFO_ELTS): Remove.
20055         (BINFO_LANG_SLOT): New.
20056         (struct tree_binfo): New.
20057         (binfo_lang_slots): Declare.
20058         (enum tree_node_structure_enum): Add TS_BINFO.
20059         (union tree_node): Add binfo.
20060         (make_tree_binfo_stat): Declare.
20061         (make_tree_binfo): New.
20062         (enum tree_node_kind): Add binfo_kind.
20063
20064         * objc/objc-act.c (start_class, objc_declare_protocols,
20065         start_protocols): Use TYPE_LANG_SLOT_1.
20066         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
20067         to ...
20068         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
20069         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
20070         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
20071         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
20072
20073 2004-07-05  Steven Bosscher  <stevenb@suse.de>
20074
20075         * rtl.h (struct rtx_def): Remove the integrated flag.
20076         Use the return_val flag for MEM_SCALAR_P.
20077         Reshuffle and update flags in CLEAR_RTX_FLAGS.
20078
20079 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
20080
20081         PR target/16357
20082         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
20083         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
20084         move_by_pieces.
20085
20086 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
20087
20088         * var-tracking.c: Fix some comments.
20089         (frame_stack_adjust): New.
20090         (vt_stack_adjustments): Init stack_adjust of entry block to
20091         minus stack adjustment of function prologue.
20092         (adjust_stack_reference): Do not adjust if adjustment == 0.
20093         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
20094         (emit_notes_in_bb): Likewise.
20095         (vt_add_function_parameters): Do not adjust locations of
20096         function arguments.
20097         (vt_initialize): Compute the stack adjustment of function
20098         prologue and offset the initial "location" of frame_base_decl
20099         from the stack pointer after prologue.
20100
20101 2004-07-04  Richard Henderson  <rth@redhat.com>
20102
20103         * function.c (struct assign_parm_data_all): New.
20104         (struct assign_parm_data_one): New.
20105         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
20106         assign_parm_find_data_types, assign_parms_setup_varargs,
20107         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
20108         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
20109         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
20110         assign_parm_setup_block, assign_parm_setup_reg,
20111         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
20112         (assign_parms): ... here.
20113
20114 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
20115
20116         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
20117         now are bitmap_set_t's.
20118         (bitmap_insert_into_set): No point in inserting the value if
20119         it's invariant.
20120         (bitmap_set_contains): New function.
20121         (bitmap_set_replace_value): Add comment on why we do it
20122         this way.
20123         (set_contains): Removed.
20124         (bitmap_set_subtract_from_value_set): New name of
20125         set_subtract now that it's arguments are two different
20126         types of sets.
20127         Update callers.
20128         (bitmap_find_leader): Change algorithm used.
20129         (find_or_generate_expression): Update use of functions for new
20130         bitmap sets.
20131         (create_expression_by_pieces): Ditto.
20132         (insert_aux): Ditto.
20133         (insert): Ditto.
20134         (add_to_sets): Ditto.
20135         (init_pre): Ditto.
20136         (execute_pre): Ditto.
20137         (compute_avail): Ditto.
20138         Also ignore virtual phis.
20139
20140 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
20141
20142         * combine.c (simplify_comparison): Fix comment typo.
20143
20144 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
20145
20146         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
20147         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
20148         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
20149         (output_restore): Change parameter from 'insn' to 'pat'.
20150         (output_return): Adjust call to output_restore.
20151         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
20152         Adjust call to output_restore.
20153
20154 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
20155
20156         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
20157         and assert system is bsd.
20158
20159 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
20160
20161         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
20162         (TARGET_SWITCHES): Remove -mdebugc.
20163         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
20164         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
20165         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
20166         (sle_[sd]i_reg): Delete.
20167
20168 2004-07-04  Steven Bosscher  <stevenb@suse.de>
20169
20170         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
20171         Define.
20172         * config/iq2000/iq2000.md: Translate old pipeline description to an
20173         equivalent new one.
20174
20175 2004-07-04  Roger Sayle  <roger@eyesopen.com>
20176
20177         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
20178         Ensure the replacement rhs is valid gimple before performing
20179         the substitution.  Return false if these sanity checks fail.
20180         (fold_stmt): Only set changed to true, if set_rhs returns true.
20181         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
20182         succeeds.
20183
20184 2004-07-04  Richard Henderson  <rth@redhat.com>
20185
20186         PR c/16348
20187         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
20188
20189 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
20190
20191         * configure.ac (ranlib_flags): New variable.
20192         * Makefile.in (RANLIB_FLAGS): New variable.
20193         (libbackend.a): Use it.
20194         * configure: Regenerated.
20195
20196 2004-07-04  Roger Sayle  <roger@eyesopen.com>
20197
20198         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
20199         a "sign mask" instead of using ashr_optab directly.
20200
20201 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
20202
20203         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
20204         * doc/cppopts.texi: Clarify processing of command-line defines.
20205
20206 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
20207
20208         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
20209
20210 2004-07-04  Richard Henderson  <rth@redhat.com>
20211
20212         * rtl.def (ADDRESSOF): Remove.
20213         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
20214         (find_base_term, memrefs_conflict_p): Likewise.
20215         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
20216         (fold_rtx, cse_insn, set_live_p): Likewise.
20217         * dwarf2out.c (mem_loc_descriptor): Likewise.
20218         (add_location_or_const_value_attribute): Likewise.
20219         * emit-rtl.c (copy_insn_1): Likewise.
20220         * explow.c (memory_address): Likewise.
20221         * expmed.c (store_split_bit_field): Likewise.
20222         * expr.c (expand_expr_real_1): Likewise.
20223         * function.c (instantiate_decl
20224         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
20225         * genrecog.c (preds, validate_pattern): Likewise.
20226         * integrate.c (copy_rtx_and_substitute): Likewise.
20227         * recog.c (general_operand, register_operand): Likewise.
20228         (memory_address_p): Likwise.
20229         * reload1.c (eliminate_regs, elimination_effects): Likewise.
20230         * rtl.c (copy_rtx): Likewise.
20231         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
20232         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
20233         * rtlhooks.c (gen_lowpart_general): Likewise.
20234         * stmt.c (expand_asm_operands): Likewise.
20235         * web.c (entry_register, replace_ref, web_main): Likewise.
20236         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
20237         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
20238         * config/arm/arm.c (thumb_rtx_costs): Likewise.
20239         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
20240         * config/frv/frv.c (move_destination_operand, move_source_operand,
20241         condexec_dest_operand, condexec_source_operand,
20242         condexec_memory_operand): Likewise.
20243         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
20244         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
20245         (destination_xfmode_operand): Likewise.
20246         * config/mips/mips.h (PREDICATE_CODES): Likewise.
20247         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
20248         * config/s390/s390.c (general_s_operand): Likewise.
20249         * config/s390/s390.md (mov*): Likewise.
20250         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
20251
20252         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
20253         * expr.c (expand_expr_real_1): Likewise.
20254         * stmt.c (expand_decl): Likewise.
20255         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
20256
20257         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
20258         postponed_insns, put_var_into_stack, put_reg_into_stack,
20259         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
20260         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
20261         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
20262         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
20263         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
20264         purge_bitfield_addressof_replacements, purge_addressof_replacements,
20265         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
20266         struct insns_for_mem_walk_info, insns_for_mem_walk,
20267         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
20268         setjmp_protect_args): Remove.
20269         (push_function_context_to): Don't handle var_refs_queue.
20270         (pop_function_context_from, free_after_compilation): Likewise.
20271         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
20272         (assign_parms, allocate_struct_function): Likewise.
20273         (use_register_for_decl): New.
20274         (expand_function_end): Don't setjmp_protect.
20275         * function.h (struct emit_status): Update commentary.
20276         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
20277         (max_parm_reg, parm_reg_stack_loc): Remove.
20278         * passes.c (DFI_addressof): Remove.
20279         (dump_file_info): Remove addressof.
20280         (rest_of_handle_addressof): Remove.
20281         (rest_of_compilation): Don't call it.
20282         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
20283         * stmt.c (expand_decl): Use use_register_for_decl.
20284         * tree.h: Update decls.
20285         * web.c (mark_addressof): Remove.
20286         * doc/invoke.texi (-dF): Remove.
20287
20288 2004-07-03  Richard Henderson  <rth@redhat.com>
20289
20290         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
20291         instead of gen_mem_addressof.
20292         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
20293         TImode output register.
20294
20295 2004-07-03  Richard Henderson  <rth@redhat.com>
20296
20297         PR tree-optimization/16341
20298         * tree-sra.c (sra_walk_function): Increment to next stmt before
20299         processing the current stmt.
20300         (sra_insert_after): Always use BSI_SAME_STMT.
20301
20302 2004-07-03  Richard Henderson  <rth@redhat.com>
20303
20304         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
20305         fp plus with minus.
20306
20307 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
20308
20309         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
20310         with tree_int_cst_equal.
20311
20312 2004-07-03  Andreas Schwab  <schwab@suse.de>
20313
20314         * config/ia64/ia64.md: Define new attribute "empty".
20315         (prologue_use, nop_x, insn_group_barrier): Set it.
20316
20317         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
20318         skip over "empty" insns.
20319
20320 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
20321
20322         * tree-inline.c (initialize_inlined_parameters): Pass proper function
20323         context to gimplify_body.
20324         (walk_tree): Don't walk into types twice.
20325         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
20326
20327         * tree-sra.c (generate_element_init): Remove any useless conversions.
20328
20329         * gimplify.c (gimplify_conversion): Remove stripping useless
20330         conversions from here.
20331         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
20332         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
20333         Unshare before substituting PLACEHOLDER_EXPR.
20334         (gimplify_modify_expr_to_memset): Likewise.
20335         Pass address of TO to memset, not TO itself.
20336         (gimplify_init_constructor): Make copy of OBJECT so we have it each
20337         time we make an expression (to match a PLACEHOLDER_EXPR).
20338
20339         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
20340         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
20341         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
20342         * tree-ssa-dom.c (local_fold): Likewise.
20343
20344         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
20345         * langhooks.h (strct lang_hooks): New field type_max_size.
20346         * function.c (assign_temp): Call it.
20347
20348 2004-07-03  Steven Bosscher  <stevenb@suse.de>
20349
20350         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
20351         * config/sh/sh.md: Convert the SH1 pipeline description to
20352         a DFA model.
20353
20354 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
20355
20356         * c-decl.c (struct c_binding): Remove contour field; add
20357         depth, invisible, nested fields.
20358         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
20359         (B_IN_EXTERNAL_SCOPE): New convenience macros.
20360         (bind): Add invisible and nested arguments. Initialize
20361         new fields of struct c_binding; adjust loop scanning for
20362         insertion point.
20363         (free_binding_and_advance): Clear structure with memset.
20364         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
20365         in file scope, even if it's in external scope too.
20366         (pushdecl): Adjust to match.  Create invisible file-scope
20367         declarations for block-scope forward declarations of static functions.
20368         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
20369         (undeclared_variable, lookup_label, declare_label, define_label)
20370         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
20371         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
20372         (store_parm_decls_oldstyle): Adjust to match.
20373         (diagnose_mismatched_decls): Correct handling of linkage clashes.
20374         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
20375
20376         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
20377         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
20378
20379 2004-07-02  Richard Henderson  <rth@redhat.com>
20380
20381         * c-decl.c (grokdeclarator): Don't frob current_function_decl
20382         around variable_size.
20383         (set_decl_nonlocal): Remove.
20384         (store_parm_decls): Add stmts for pending sizes.
20385         * calls.c (calls_function, calls_function_1): Remove.
20386         (precompute_arguments): Don't call it.
20387         * cfgexpand.c (set_save_expr_context): Remove.
20388         (tree_expand_cfg): Don't call it.
20389         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
20390         (dwarf2out_finish): Likewise.
20391         * expr.c (emit_block_move): Adjust addresses to BLKmode.
20392         (store_constructor): Don't pre-evaluate SAVE_EXPR.
20393         (safe_from_p): Don't queue SAVE_EXPRs.
20394         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
20395         or build plain VAR_DECLs.
20396         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
20397         (fold): Likewise.
20398         (fold_checksum_tree): Don't special-case SAVE_EXPR.
20399         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
20400         (put_var_into_stack): Don't handle SAVE_EXPR.
20401         (gen_mem_addressof): Likewise.
20402         * function.h (struct function): Remove x_save_expr_regs.
20403         (save_expr_regs): Remove.
20404         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
20405         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
20406         * stor-layout.c (variable_size): Don't set it.
20407         (force_type_save_exprs, force_type_save_exprs_1): Remove.
20408         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
20409         all callers.  Don't set SAVE_EXPR_CONTEXT.
20410         * tree-inline.h (remap_save_expr): Update decl.
20411         * tree.c (save_expr): Update build size.
20412         (first_rtl_op): Don't handle SAVE_EXPR.
20413         (unsave_expr_1, contains_placeholder_p): Likewise.
20414         (decl_function_context): Likewise.
20415         * tree.def (SAVE_EXPR): Remove args 1 and 2.
20416         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
20417         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
20418
20419 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
20420
20421         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
20422         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
20423         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
20424         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
20425         some first-person references and patronizing comments.  Based on
20426         printed manual.
20427         * doc/invoke.texi: Don't reference fortran@gnu.org.
20428         * doc/trouble.texi (Warning when a non-void function value is
20429         ignored): Rewrite.  From Russ Allbery and Chris Devers.
20430
20431 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
20432
20433         * tree-ssa-pre.c (bitmap_set_t): New.
20434         (bb_value_sets): avail_out is now a bitmap_set_t.
20435         (bitmap_find_leader): New function.
20436         (bitmap_value_insert_into_set): Ditto.
20437         (bitmap_set_copy): Ditto.
20438         (bitmap_value_replace_in_set): Ditto.
20439         (bitmap_set_contains_value): Ditto.
20440         (bitmap_set_new): Ditto.
20441         (bitmap_set_pool): New pool.
20442         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
20443         (insert_aux): Ditto.
20444         (add_to_sets): Ditto.
20445         (compute_avail): Ditto
20446         (eliminate): Ditto.
20447         (init_pre): Ditto.
20448         (fini_pre): Ditto.
20449         (execute_pre): Ditto.
20450
20451 2004-07-02  Roger Sayle  <roger@eyesopen.com>
20452
20453         * config/rs6000/rs6000.c (struct processor_costs): New structure
20454         used to hold instruction latencies/sizes for processor types.
20455         (rs6000_cost): New global variable pointing to current CPU's costs.
20456         (rs6000_override_options): Initialize rs6000_cost to point to the
20457         appropriate cost table based upon rs6000_cpu and optimize_size.
20458         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
20459         timings inline.
20460
20461 2004-07-02  Richard Henderson  <rth@redhat.com>
20462
20463         * expmed.c (make_tree): Don't use SET_DECL_RTL.
20464
20465 2004-07-02  Steven Bosscher  <stevenb@suse.de>
20466
20467         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
20468
20469 2004-07-01  Richard Henderson  <rth@redhat.com>
20470
20471         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
20472         (alpha_gp_save_rtx): Use assign_stack_local instead of
20473         gen_mem_addressof.
20474
20475 2004-07-01  Richard Henderson  <rth@redhat.com>
20476
20477         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
20478         (alpha_rtx_cost_data): Update to match.
20479         (alpha_rtx_cost_size): New.
20480         (alpha_rtx_costs): Honor optimize_size.
20481
20482 2004-07-01  Richard Henderson  <rth@redhat.com>
20483
20484         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
20485         * cfgexpand.c (tree_expand_cfg): Do it here.
20486         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
20487         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
20488         * config/mips/mips.c (mips_output_mi_thunk): And here.
20489         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
20490         * config/sh/sh.c (sh_output_mi_thunk): And here.
20491         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
20492
20493 2004-07-01  Richard Henderson  <rth@redhat.com>
20494
20495         * tree.def (RTL_EXPR): Remove.
20496         * c-typeck.c (lvalue_p): Don't handle it.
20497         * expr.c (safe_from_p): Likewise.
20498         (expand_expr_real_1): Likewise.
20499         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
20500         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
20501         * gengtype.c (adjust_field_tree_exp): Likewise.
20502         * stmt.c (warn_if_unused_value): Likewise.
20503         * tree-gimple.c (recalculate_side_effects): Likewise.
20504         * tree-pretty-print.c (dump_generic_node): Likewise.
20505         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
20506         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
20507         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
20508
20509         * stmt.c (struct stmt_status): Remove x_last_expr_type,
20510         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
20511         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
20512         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
20513         all the bits that tracked last_expr.
20514         (expand_end_bindings): Don't track last_expr.
20515         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
20516         (clear_last_expr): Remove.
20517         (expand_asm): Don't call it.
20518         (expand_asm_operands, expand_end_cond): Likewise.
20519         (expand_naked_return, expand_null_return_1): Likewise.
20520         * c-typeck.c (c_begin_compound_stmt): Likewise.
20521         * cfgexpand.c (expand_block): Use expand_expr_stmt.
20522         * expr.c (expand_expr_real_1): Likewise.
20523         * tree.h: Update prototypes.
20524
20525         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
20526         (struct emit_status): Remove sequence_rtl_expr.
20527         (struct function): Remove x_rtl_expr_chain.
20528         (seq_rtl_expr, rtl_expr_chain): Remove.
20529         * function.c (struct temp_slot): Remove rtl_expr.
20530         (assign_stack_temp_for_type): Don't set it.
20531         (free_temp_slots, pop_temp_slots): Don't check it.
20532         (free_after_compilation): Don't clear x_rtl_expr_chain.
20533         (fixup_var_refs): Don't search it.
20534         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
20535         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
20536         or seq_rtl_expr.
20537         (push_topmost_sequence): Likewise.
20538         (end_sequence, init_emit): Likewise.
20539         (start_sequence_for_rtl_expr): Remove.
20540         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
20541         * rtl.h (preserve_rtl_expr_result): Remove.
20542
20543 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
20544
20545         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
20546         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
20547         typos.
20548
20549 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
20550
20551         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
20552         (STANDARD_STARTFILE_PREFIX_2): Define.
20553         (standard_startfile_prefix_1): Initialize to
20554         STANDARD_STARTFILE_PREFIX_1.
20555         (standard_startfile_prefix_2): Initialize to
20556         STANDARD_STARTFILE_PREFIX_2.
20557         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
20558         (STANDARD_STARTFILE_PREFIX_1): Define.
20559         (STANDARD_STARTFILE_PREFIX_2): Define.
20560         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
20561         (STANDARD_STARTFILE_PREFIX_2): Document.
20562
20563 2004-07-01  Richard Henderson  <rth@redhat.com>
20564
20565         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
20566         in order to disable scalarization.  Instead set a flag and wait
20567         for a candidate decl.
20568
20569 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
20570
20571         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
20572         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
20573         Use terminology "testsuite" and "enumerated".
20574
20575 2004-07-01  Richard Henderson  <rth@redhat.com>
20576
20577         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
20578         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
20579         (initial_return_save): Likewise.
20580         (flush_queued_reg_saves): Remap register numbers.
20581         (dwarf2out_return_reg): Likewise.
20582
20583 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
20584
20585         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
20586
20587         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
20588         access functions for lower bound and element size and only output
20589         if lower bound nonzero or element size not same as that of type.
20590         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
20591
20592 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
20593
20594         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
20595
20596 2004-07-01  Per Bothner  <per@bothner.com>
20597
20598         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
20599
20600 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
20601
20602         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
20603         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
20604         first operand.  Don't optimize if the bitfield is volatile.
20605
20606 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
20607
20608         * c-pretty-print.c (pp_c_postfix_expression): Handle
20609         floating-point comparison operators.
20610         (pp_c_expression): Pass floating-point comparison
20611         operators to pp_c_postfix_expression.
20612
20613 2004-07-01  Roger Sayle  <roger@eyesopen.com>
20614
20615         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
20616         rtx_cost instead of "had_mult" to determine whether the transformed
20617         expression is cheaper than the original.
20618
20619 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
20620
20621         * alias.c (get_alias_set, canon_rtx, get_addr,
20622         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
20623         Use MEM_P.
20624         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
20625         expand_builtin): Likewise.
20626         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
20627         Likewise.
20628         * combine.c (can_combine_p, combinable_i3pat, try_combine,
20629         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
20630         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
20631         record_dead_and_set_regs_1, get_last_value_validate,
20632         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
20633         * cse.c (check_dependence, canon_hash, equiv_constant,
20634         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
20635         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
20636         count_reg_usage): Likewise.
20637         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
20638         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
20639         cselib_record_sets): Likewise.
20640         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
20641         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
20642         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
20643         * df.c (df_uses_record): Likewise.
20644         * dojump (do_jump): Likewise.
20645         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
20646         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
20647         decl_start_label): Likewise.
20648         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
20649         operand_subword, change_address_1, make_safe_from): Likewise.
20650         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
20651         stabilize, force_not_mem): Likewise.
20652         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
20653         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
20654         * expr.c (convert_move, convert_modes, emit_block_move,
20655         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
20656         emit_move_insn_1, expand_assignment, store_expr,
20657         store_constructor_field, store_constructor, store_field,
20658         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
20659         Likewise.
20660         * final.c (cleanup_subreg_operands, alter_subreg,
20661         get_mem_expr_from_op): Likewise.
20662         * flow.c (notice_stack_pointer_modification_1,
20663         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
20664         Likewise.
20665         * function.c (mark_temp_addr_taken, preserve_temp_slots,
20666         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
20667         optimize_bit_field, flush_addressof, purge_addressof_1,
20668         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
20669         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
20670         keep_stack_depressed): Likewise.
20671         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
20672         noce_process_if_block, find_memory): Likewise.
20673         * integrate.c (subst_constants, allocate_initial_values): Likewise.
20674         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
20675         update_equiv_regs): Likewise.
20676         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
20677         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
20678         * optabs.c (expand_abs, emit_unop_insn): Likewise.
20679         * passes.c (rest_of_handle_final): Likewise.
20680         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
20681         move2add_note_store): Likewise.
20682         * ra-build.c (detect_remat_webs): Likewise.
20683         * ra-debug.c (dump_static_insn_cost): Likewise.
20684         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
20685         * recog.c (validate_change, apply_change_group, cancel_changes,
20686         validate_replace_rtx_1, general_operand, register_operand,
20687         nonmemory_operand, push_operand, pop_operand, memory_operand,
20688         indirect_operand, asm_operand_ok, offsettable_memref_p,
20689         offsettable_nonstrict_memref_p, constrain_operands,
20690         store_data_bypass_p): Likewise.
20691         * reg-stack.c (subst_stack_regs_pat): Likewise.
20692         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
20693         copy_cost, reg_scan_mark_refs): Likewise.
20694         * regmove.c (optimize_reg_copy_3, stack_memref_p,
20695         combine_stack_adjustments_for_block): Likewise.
20696         * regrename.c (copyprop_hardreg_forward_1): Likewise.
20697         * reload.c (can_reload_into, push_reload, decompose, immune_p,
20698         find_reloads, find_reloads_address, find_reloads_address_1,
20699         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
20700         find_equiv_reg): Likewise.
20701         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
20702         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
20703         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
20704         delete_address_reloads): Likewise.
20705         * resource.c (mark_referenced_resources): Likewise.
20706         * rtlanal.c (get_jump_table_offset, count_occurrences,
20707         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
20708         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
20709         num_sign_bit_copies1): Likewise.
20710         * rtlhooks.c (gen_lowpart_general): Likewise.
20711         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
20712         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
20713         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
20714         sdbout_global_decl): Likewise.
20715         * simplify-rtx.c (simplify_subreg): Likewise.
20716         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
20717         expand_anon_union_decl, expand_end_case_type): Likewise.
20718         * unroll.c (calculate_giv_inc): Likewise.
20719         * var-tracking.c (stack_adjust_offset_pre_post,
20720         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
20721         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
20722         vt_add_function_parameters): Likewise.
20723         * varasm.c (make_var_volatile, notice_global_symbol,
20724         assemble_external, decode_addr_const, mark_weak,
20725         default_encode_section_info): Likewise.
20726
20727 2004-07-01  Steven Bosscher  <stevenb@suse.de>
20728
20729         * stmt.c (check_seenlabel): Remove.
20730         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
20731
20732 2004-07-01  Richard Henderson  <rth@redhat.com>
20733
20734         * function.h (struct function): Remove x_function_call_count.
20735         (function_call_count): Remove.
20736         * calls.c (expand_call): Don't set it.
20737         * integrate.c (copy_rtx_and_substitute): Likewise.
20738
20739         * function.h (struct function): Remove x_cleanup_label.
20740         (cleanup_label): Remove.
20741         * stmt.c (expand_value_return): Don't use it.
20742         * function.c (free_after_compilation): Don't set it.
20743         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
20744         * cfgexpand.c (tree_expand_cfg): Update call.
20745         * tree.h (expand_function_start): Update decl.
20746
20747 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
20748
20749         PR c/1027
20750         * c-lang.c (c_initialize_diagnostics): Move from here ...
20751         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
20752         (c_tree_printer): Use pretty-printer to format %T.
20753         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
20754         before '*' if not C++.
20755         (pp_c_direct_abstract_declarator): Don't try to print array upper
20756         bound for flexible array members.
20757         * c-tree.h: Include "diagnostic.h".
20758         (c_initialize_diagnostics): Declare.
20759         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
20760         * c-format.c (format_type_warning): New function.  Improve
20761         diagnostics for incorrect format argument types.
20762         (check_format_types): Use it.  Add two parameters.  Use the
20763         TYPE_MAIN_VARIANT of wanted_type.
20764         (check_format_info_main): Pass new parameters to
20765         check_format_types.
20766         (struct format_wanted_type): Update comment.
20767
20768 2004-07-01  Nick Clifton  <nickc@redhat.com>
20769
20770         * target.h (struct gcc_target): Add new field to struct cxx:
20771         import_export_class.
20772         * target-def.h (TARGET_CXX): Initialise the new field.
20773         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
20774         the new field.
20775         * doc/tm.texi: Document the new target hook.
20776
20777 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
20778
20779         * builtins.c (fold_builtin_classify): Fix typo.
20780
20781 2004-07-01  Richard Henderson  <rth@redhat.com>
20782
20783         * function.c (identify_blocks, identify_blocks_1): Remove.
20784         * function.h (identify_blocks): Remove.
20785         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
20786
20787 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
20788
20789         * builtins.c (fold_builtin_classify): New.
20790         (fold_builtin_unordered_cmp): Fix commentary.
20791         (fold_builtin): Use it.
20792         * builtins.def: Define builtins for isnan,
20793         isnanf, isnanl, finite, finitef, finitel,
20794         isinf, isinff, isinfl.
20795
20796 2004-07-01  Richard Henderson  <rth@redhat.com>
20797
20798         * function.h (struct function): Remove dont_emit_block_notes.
20799         * gimple-low.c (lower_function_body): Don't set it.
20800         * cfgexpand.c (expand_block): Don't check it.
20801         * cfglayout.c (insn_locators_initialize): Likewise.
20802         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
20803         * passes.c (rest_of_compilation): Likewise.
20804         * stmt.c (expand_start_bindings_and_block): Likewise.
20805         (expand_end_bindings): Likewise.
20806
20807 2004-07-01  Richard Henderson  <rth@redhat.com>
20808
20809         * cgraph.h (cgraph_build_static_cdtor): Declare.
20810         * cgraphunit.c (cgraph_build_static_cdtor): New.
20811         * c-objc-common.c (build_cdtor): Use it.
20812         * coverage.c (create_coverage): Likewise.
20813         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
20814         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
20815
20816 See ChangeLog.11 for earlier changes.