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2005-07-15 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-07-15  Richard Guenther  <rguenther@suse.de>
2
3         * c-common.c (handle_flatten_attribute): New function.
4         Add flatten function attribute.
5         * doc/extend.texi: Document flatten function attribute.
6         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8         New functions.
9         (cgraph_decide_inlining): Handle functions with flatten
10         attribute.
11
12 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
13
14         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
15         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
16         UNSPEC_XCHG, UNSPEC_AND): New.
17         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
18         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
19         * config/rs6000/sync.md (FETCHOP): New code macro.
20         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
21         New code attrs.
22         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
23         (sync_compare_and_swap<mode>): Same.
24         (sync_lock_test_and_set<mode>): Same.
25         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
26         for QImode and HImode, and not PPC405.
27         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
28         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
29         (sync_<fetchop>{si,di}_internal): New.
30         (sync_nand{si,di}_internal): New.
31         (sync_old_<fetchop>{si,di}_internal): New.
32         (sync_old_nand{si,di}_internal): New
33         (sync_new_<fetchop>{si,di}_internal): New.
34         (sync_new_nand{si,di}_internal): New.
35         (atomic_and{si,di}): New.
36         (sync_new_nand{si,di}_internal): New.
37         (atomic_and{si,di}): New.
38         (sync_add<mode>_internal): Delete.
39         (sync_addshort_internal): Use unspec instead of unspec_volatile.
40         (sync_sub<mode>_internal): Delte.
41         (sync_subshort_internal): New.
42         (sync_andsi_internal): Use unspec instead of unspec_volatile.
43         (sync_anddi_internal): Delete.
44         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
45         (sync_booldi_internal): Delete.
46         (sync_boolc<mode>_internal): Delete.
47         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
48         (sync_boolc<mode>_internal2): Delete.
49         (sync_boolcc<mode>_internal): Delete.
50         (isync, lwsync): Use unspec instead of unspec_volatile.
51         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
52         Revert UNSPEC_VOLATILE.
53         (rs6000_split_atomic_op): New.
54         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
55
56 2005-07-14  Eric Christopher  <echristo@redhat.com>
57
58         * config/mips/mips.c (mips_canonicalize_comparison): Cast
59         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
60
61 2005-07-14  Eric Christopher  <echristo@redhat.com>
62
63         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
64
65 2005-07-14  Steven Bosscher  <stevenb@suse.de>
66
67         PR tree-optimization/22230
68         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
69         the computation of the four cross productions for "range op range".
70
71 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
72             Ulrich Weigand  <uweigand@de.ibm.com>
73
74         PR target/20126
75         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
76         in some insn.
77
78 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
79
80         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
81
82 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
83
84         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
85
86 2005-07-14  Richard Guenther  <rguenther@suse.de>
87
88         PR middle-end/22347
89         * config/i386/i386-protos.h (ix86_function_value): Change
90         prototype to match new target hook.
91         * config/i386/i386.c (ix86_value_regno): Change prototype
92         to take extra type argument.
93         (TARGET_FUNCTION_VALUE): Define.
94         (ix86_function_ok_for_sibcall): Pass extra argument to
95         ix86_value_regno, check return slot rtx for exact match.
96         (ix86_function_value): Take extra parameter.  Dispatch to
97         ix86_value_regno with fndecl/fntype as provided.
98         (ix86_value_regno): Handle extra type argument.
99         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
100
101         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
102         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
103         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
104         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
105         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
106
107 2005-07-14  Richard Guenther  <rguenther@suse.de>
108
109         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
110         * calls.c (expand_call): Pass fntype to hard_function_value.
111         (emit_library_call_value_1): Likewise.
112         * explow.c: Include target.h.
113         (hard_function_value): Take extra argument, the fntype.
114         Use new target hook for function_value.
115         * expr.h (hard_function_value): Change prototype.
116         * function.c (aggregate_value_p): Pass 0 as fntype to
117         hard_function_value.
118         (assign_parms): Use new target hook for function_value.
119         Pass 0 as fntype to hard_function_value.
120         (expand_function_end): Likewise.
121         * reg-stack.c: Include target.h.
122         (stack_result): Use new target hook for function_value.
123         * target-def.h: New target hook function_value.
124         * target.h: Likewise.
125         * targhooks.c (default_function_value): New function.
126         * targhooks.h (default_function_value): Declare.
127
128 2005-07-13  Ian Lance Taylor  <ian@airs.com>
129
130         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
131
132 2005-07-14  Jan Hubicka  <jh@suse.cz>
133
134         * tree-dfa.c (dump_variable): Use default_def function.
135         * tree-ssa-alias.c (dump_points_to_info): Likewise.
136         * tree-ssa.c (verify_use): Likewise.
137         * tree-ssanames.c (release_ssa_name): Likewise.
138         * tree-tailcall.c (eliminate_tail_call): Likewise.
139         (tree_optimize_tail_calls_1): Likewise.
140         * tree-vrp.c (get_value_range): Likewise.
141
142 2005-07-14  Ben Elliston  <bje@au.ibm.com>
143
144         * gcc.c (main): Compare language[0] with '*' when iterating over
145         the infiles.
146
147 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
148
149         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
150         "s390_emit_compare".  Add handling of CCZ1mode.
151         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
152         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
153         checking.
154         (s390_branch_condition_mask): Add CCZ1mode handling.
155         * config/s390/s390.md: ("seq", "*seq"): New pattern.
156         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
157         Use CCZ1mode instead of CCZmode.
158         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
159
160 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
161
162         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
163         pattern.
164         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
165
166 2005-07-13  Eric Christopher  <echristo@redhat.com>
167
168         * config/mips/mips.c (mips_canonicalize_comparison): New.
169         (mips_emit_int_relational): Use.
170
171 2005-07-13  Eric Christopher  <echristo@redhat.com>
172
173         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
174         static extra parts.
175         * config/s390/s390.md: Include tpf.md. Move tpf specific
176         patterns...
177         * config/s390/tpf.md: To here.
178         * config/s390/s390.opt: Move tpf specific options...
179         * config/s390/tpf.opt: to here. Add mmain option.
180         * config/s390/tpf-unwind.h: Remove unnecessary defines.
181         * config/s390/tpf.h: Rewrite.
182
183 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
184
185         * doc/tm.texi: Remove @xref{Cross-profiling}.
186
187 2005-07-13  Jeff Law  <law@redhat.com>
188
189         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
190         expressions, test their _DECL operands for pointer equality rather
191         than using operand_equal_p.
192
193 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
194
195         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
196         (TARGET_POSIX_IO): This.
197         * config/darwin.h: Likewise.
198         * config/freebsd.h: Likewise.
199         * config/linux.h: Likewise.
200         * config/lynx.h: Likewise.
201         * config/netbsd.h: Likewise.
202         * config/rs6000/linux64.h: Likewise.
203         * config/rs6000/linux.h: Likewise.
204         * config/s390/tpf.h: Likewise.
205         * config/sh/embed-elf.h: Likewise.
206         * config/sparc/linux64.h: Likewise.
207         * config/sparc/linux.h: Likewise.
208         * config/svr4.h: Likewise.
209         * gcov-io.h: Likewise.
210
211         * doc/tm.texi: Updated.
212
213         * libgcov.c (create_file_directory): Defined only if
214         TARGET_POSIX_IO is defined.
215         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
216         is defined.
217
218 2005-07-13  Jan Hubicka  <jh@suse.cz>
219
220         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
221
222 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
223
224         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
225         structure as argument.
226
227 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
228
229         PR tree-optimization/21921
230         * tree-iterator.c (tsi_link_before): Support the case when
231         tsi_end_p (tsi) == true.
232
233 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
234
235         PR tree-optimization/22442
236         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
237         correctly.
238
239 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
240
241         PR rtl-optimization/20376
242         * toplev.c (process_options): Enable -fweb and -frename-registers when
243         unrolling.
244         * doc/invoke.texi: Update the information about when -fweb and
245         -frename-registers are enabled.
246
247 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
248
249         PR tree-opt/21840
250         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
251         if *rhs_p is not a SSA_NAME.
252
253 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
254         
255         Fix PR tree-optimization/22422 
256         * tree-ssa-structalias.c (struct variable_info): Add flag for
257         special vars.
258         (get_varinfo): Now a static function.
259         (new_varinfo): init has_union and is_special_var to false.
260         (solution_set_add): Check has_union.
261         (do_da_constraint): Move temporary variable so it gets reset
262         properly.
263         Also check for special variable.
264         (do_ds_constraint): Ditto.
265         (do_sd_constraint): Ditto.
266         (do_structure_copy): Check for special variable.
267         (find_func_aliases): Ditto.
268         (init_base_vars): Set special vars properly.    
269
270 2005-07-13  Jan Hubicka  <jh@suse.cz>
271
272         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
273         do unit-at-a-time.
274
275         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
276         (get_expr_operands): Fix thinko wrt flags and subvars.
277
278         PR tree-optimize/22379
279         * tree-inline.c (expand_call_inline): Do not output sorry in early
280         inlining.
281
282 2005-07-12  Dale Johannesen  <dalej@apple.com>
283
284         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
285
286 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
287
288         PR bootstrap/21704
289         * host-linux.h: Include limits.h.
290
291 2005-07-12  Dale Johannesen  <dalej@apple.com>
292
293         * expr.c (compress_float_constant):  Add cost check.
294         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
295
296 2005-07-12  Dale Johannesen  <dalej@apple.com>
297
298         * gcc.target/i386/compress-float-sse.c:  New.
299         * gcc.target/i386/compress-float-sse-pic.c:  New.
300         * gcc.target/i386/compress-float-387.c:  New.
301         * gcc.target/i386/compress-float-387-pic.c:  New.
302         * gcc.dg/compress-float-ppc.c:  New.
303         * gcc.dg/compress-float-ppc-pic.c:  New.
304
305 2005-07-12  Eric Christopher  <echristo@redhat.com>
306
307         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
308         static extra parts.
309         * config/s390/s390.md: Include tpf.md. Move tpf specific
310         patterns...
311         * config/s390/tpf.md: To here.
312         * config/s390/s390.opt: Move tpf specific options...
313         * config/s390/tpf.opt: to here. Add mmain option.
314         * config/s390/tpf-unwind.h: Remove unnecessary defines.
315         * config/s390/tpf.h: Rewrite.
316
317 2005-07-12  Eric Christopher  <echristo@redhat.com>
318
319         * gcc.c (struct infile): Update comment for language.
320         (main): Rewrite input file resetting code.
321
322 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
323
324         PR tree-opt/22335
325         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
326         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
327         (lookup_avail_expr): Use constant_boolean_node instead
328         of boolean_false_node/boolean_true_node.
329
330 2005-07-12  Ben Elliston  <bje@au.ibm.com>
331
332         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
333         and use it when printing num_edges.
334
335 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
336
337         * doc/extend.texi (Blackfin Built-in Functions): New section.
338         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
339         @opindex.
340
341 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
342
343         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
344         s/cmpstrsi/cmpstrnsi
345         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
346         'cmpstrnsi'.
347         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
348         (init_optabs): Initialize cmpstrn_optab.
349         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
350         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
351         * expr.c: (enum insn_code cmpstrn_optab): Declare.
352         * config/i386/i386.md: s/cmpstr/cmpstrn
353         * config/c4x/c4x.md: s/cmpstr/cmpstrn
354         * doc/md.texi: Update documentation.
355
356 2005-07-11  Richard Henderson  <rth@redhat.com>
357
358         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
359         build_va_arg_indirect_ref.
360         (alpha_gimplify_va_arg): Likewise.
361         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
362         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
363         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
364         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
365         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
366         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
367         Likewise.
368         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
369
370 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
371
372         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
373         * passes.c (init_optimization_passes): Add pass_empty_loop.
374         * tree-pass.h (pass_empty_loop): Declare.
375         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
376         try_remove_empty_loop, remove_empty_loops): New functions.
377         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
378         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
379
380 2005-07-12  Peter Barada  <peter@the-baradas.com>
381
382         PR middle-end/16719
383         PR middle-end/18421
384         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
385         in address registers.
386         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
387         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
388         alternative of addsi3_5200.
389
390 2005-07-11  Ian Lance Taylor  <ian@airs.com>
391
392         * config/mips/mips.md (ffs<mode>2): Remove.
393
394 2005-07-11  Ian Lance Taylor  <ian@airs.com>
395
396         * doc/tree-ssa.texi (Cleanups): Improve description of
397         TRY_FINALLY_EXPR.
398         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
399
400 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
401         
402         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
403         * tree.h (DECL_ARGUMENT_FLD): New macro.
404
405 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
406         
407         Fix PR tree-optimization/22404
408
409         * tree-ssa-structalias.c (create_variable_info_for): Use
410         correct offset.
411
412 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
413
414         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
415         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
416         for second comparison operand.
417         * config/bfin/predicates.md (reg_or_const_int_operand): New.
418
419         * config/bfin/bfin.md (define_attr "type"): Add "sync".
420         (define_insn_reservation "alu"): Likewise.
421         (csync, ssync): Now of type sync.
422         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
423         -mcsync-anomaly -mspecld-anomaly.
424         * config/bfin/bfin.opt (mcsync): Remove.
425         (mcsync-anomaly, mspecld-anomaly): Add.
426         * config/bfin/bfin.c: Include "insn-codes.h".
427         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
428         (TARGET_DEFAULT_TARGET_FLAGS): New.
429         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
430
431 2005-07-11  Steven Bosscher  <stevenb@suse.de>
432
433         * basic-block.h: Give the BB flags enum a name, bb_flags.
434         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
435         * cfgcleanup.c (enum bb_flags): Remove here.
436         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
437         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
438         (update_forwarder_flag): Likewise.
439         (thread_jump): Likewise.
440         (try_forward_edges): Likewise.
441         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
442         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
443         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
444
445 2005-07-11  Richard Guenther  <rguenther@suse.de>
446
447         * config/i386/i386.opt: New target option -msseregparm.
448         * config/i386/i386.c (override_options): Error out for
449         -msseregparm but no SSE support.
450         (ix86_function_sseregparm): Check for global sseregparm.
451         * doc/invoke.texi: Document -msseregparm.
452
453 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
454
455         * config.gcc (m32r-*-linux*): Use the default extra_parts.
456         (m32rle-*-linux*): Ditto.
457
458 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
459
460         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
461         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
462         bytes.
463
464 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
465
466         PR middle-end/22239
467         PR target/20126
468         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
469         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
470
471 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
472
473         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
474         (varmap): Heapify varmap.
475         (constraints): Heapify constraints.
476         (struct constraint_graph): Heapify succs and preds.
477         (constraint_vec_find): Update for heapification.
478         (constraint_set_union): Ditto.
479         (insert_into_complex): Ditto.
480         (constraint_edge_vec_find): Ditto.
481         (erase_graph_self_edge): Ditto.
482         (add_graph_edge): Ditto.
483         (get_graph_weights): Ditto.
484         (merge_graph_nodes): Ditto.
485         (build_constraint_graph): Ditto.
486         (topo_visit): Ditto.
487         (solve_graph): Ditto.
488         (create_variable_info_for): Ditto.
489         (init_base_vars): Ditto.
490         (delete_points_to_sets): Free graph, varmap, and complex constraints.
491         (condese_varmap_nodes): Free complex vector.
492         (clear_edges_for_node): Clear succs and preds vector.
493
494 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
495
496         * tree-ssa-structalias.c (update_alias_info): Change counting of
497         references to not include vdefs.
498         
499 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
500
501         * tree-ssa-alias.c (free_used_part_map): Add missing free.
502         (up_insert): Ditto.
503
504 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
505
506         * pa.c (pa_commutative_p): Make PLUS commutative when
507         TARGET_NO_SPACE_REGS is true.
508
509 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
510
511         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
512         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
513         * tree-dfa.c (dump_subvars_for): New.
514         (debug_subvars_for): New.
515         (dump_variable): Show subvariables if VAR has them.
516         * tree-flow-inline.h (get_subvar_at): New.
517         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
518         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
519         Update all users.
520         (struct subvar): Change fields offset and size to unsigned
521         HOST_WIDE_INT.
522         (dump_subvars_for): Declare.
523         (debug_subvars_for): Declare.
524         (get_subvar_at): Declare.
525         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
526         to unsigned HOST_WIDE_INT *.
527         (overlap_subvar): Likewise.
528         * tree-gimple.c (is_gimple_reg): Always return false for
529         SFTs and memory tags.
530         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
531         Update all callers.
532         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
533         (compute_may_aliases): Call compute_points_to_sets.
534         (collect_points_to_info_for): Remove.
535         (compute_points_to_and_addr_escape): Remove.
536         (delete_alias_info): Call delete_points_to_sets.
537         (compute_flow_sensitive_aliasing): If the call to
538         find_what_p_points_to returns false, call set_pt_anything.
539         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
540         (set_pt_anything): Clear pi->pt_vars.
541         (set_pt_malloc): Remove.
542         (merge_pointed_to_info): Remove.
543         (add_pointed_to_expr): Remove.
544         (add_pointed_to_var): Remove.
545         (collect_points_to_info_r): Remove.
546         (is_escape_site): Make extern.
547         (create_sft): New.
548         (create_overlap_variables_for): Call it.
549         * tree-ssa-copy.c (merge_alias_info): Never merge
550         flow-sensitive alias information.
551         * tree-ssa-operands.c (get_expr_operands): Adjust variables
552         offset and size to be unsigned HOST_WIDE_INT.
553         (add_to_addressable_set): Rename from note_addressable.
554         Set TREE_ADDRESSABLE as the variables are added to the set.
555         Update all users.
556         (add_stmt_operand): Do not try to micro-optimize unmodifiable
557         operands into VUSEs when adding V_MAY_DEFs for members in an
558         alias set.
559         * tree-ssa-operands.h (add_to_addressable_set): Declare.
560         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
561         (struct variable_info): Add bitfield is_heap_var.
562         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
563         (new_var_info): Initialize is_heap_var.
564         (get_constraint_for): Add HEAP variables to the symbol table.
565         Mark them with is_heap_var.
566         (update_alias_info): New.  Taken mostly from the old
567         compute_points_to_and_addr_escape.
568         (handle_ptr_arith): New.
569         (find_func_aliases): Call update_alias_info.
570         Call handle_ptr_info for tcc_binary expressions.
571         Call mark_stmt_modified.
572         (create_variable_info_for): If DECL has subvars, do not create
573         variables for its subvars.  Always add all the fields.
574         (set_uids_in_ptset): If the solution includes ANYOFFSET and
575         SFTs, then add all the SFTs of the structure.
576         If VI->DECL is an aggregate with subvariables, add the SFT at
577         VI->OFFSET.
578         (find_what_p_points_to): If VI is an artificial variable,
579         translate to bitfields in SSA_NAME_PTR_INFO.
580         If the solution is empty, set pi->pt_vars to NULL
581         (init_base_vars): Create ANYOFFSET.
582         (compute_points_to_sets): Rename from create_alias_vars.
583         Make extern.
584         (pass_build_pta): Remove.
585         (delete_points_to_sets): Rename from delete_alias_vars.
586         (pass_del_pta): Remove.
587         * tree-ssa-structalias.h (struct alias_info): Move from
588         tree-ssa-alias.h.
589         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
590         NUM_REFERENCES_SET): Likewise.
591         (compute_points_to_sets, delete_points_to_sets): Declare.
592
593 2005-07-09  Richard Henderson  <rth@redhat.com>
594
595         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
596         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
597         alpha_split_lock_test_and_set_12): New functions.
598         * config/alpha/alpha-protos.h: Update.
599         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
600         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
601         * config/alpha/sync.md (I12MODE): New.
602         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
603         (sync_<fetchop_name><I48MODE>): Likewise.
604         (sync_nand<I48MODE>): Likewise.
605         (sync_old_<fetchop_name><I48MODE>): Likewise.
606         (sync_new_<fetchop_name><I48MODE>): Likewise.
607         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
608         (sync_compare_and_swap<I48MODE>): Likewise.
609         (sync_lock_test_and_set<I48MODE>): Likewise.
610         (sync_compare_and_swap<I12MODE>): New.
611         (sync_compare_and_swap<I12MODE>_1): New.
612         (sync_lock_test_and_set<I12MODE>): New.
613         (sync_lock_test_and_set<I12MODE>_1): New.
614
615 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
616
617         PR 21356
618         PR 22332
619         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
620
621 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
622
623         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
624         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
625
626 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
627
628         PR target/21656
629         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
630
631 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
632
633         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
634         memory_operand constraint.
635         (store_conditional_<mode>): Same.
636         (sync_compare_and_swap<mode>): Same.
637         (sync_lock_test_and_set<mode>): Same.
638
639 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
640
641         Rewrite PIC support to more closely model actual instructions.
642         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
643         (cris_symbol): Remove prototypes for removed functions.
644         (cris_pic_symbol_type_of, cris_valid_pic_const)
645         (cris_expand_pic_call_address): Prototypes for new functions.
646         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
647         variable.
648         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
649         modifiers.
650         <case ':'>: Add case for new punctuation character.
651         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
652         emitting (extra) PIC modifier.
653         <case UNSPEC>: Do not assert for PLT.
654         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
655         (cris_expand_prologue, cris_expand_epilogue): Check
656         for pic_offset_table_rtx usage instead of taking
657         current_function_uses_pic_offset_table as the final word.
658         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
659         Remove flag_pic difference.
660         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
661         the moral equivalents of...
662         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
663         functions.
664         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
665         (cris_handle_option): Mark ARG as unused.
666         (cris_expand_pic_call_address): New worker function for "call",
667         "call_value".
668         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
669         output PIC constructs here.
670         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
671         as symbol-specific modifers, not whole or part of operands.
672         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
673         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
674         constants and flag_pic.
675         (CONSTANT_INDEX_P): Adjust for new functions.
676         (enum cris_pic_symbol_type): New helper type.
677         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
678         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
679         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
680         define_constants.
681         ("movsi"): Emit actual instructions for GOT and relative access.
682         ("*movsi_got_load"): New pattern to set up the register holding
683         the GOT pointer.
684         ("*movsi_internal"): Operand 1 is not a plain general_operand.
685         Adjust FIXME for 'S'.
686         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
687         Use "movs" for -fpic cases.
688         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
689         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
690         ("call", "call_value"): Just call cris_expand_pic_call_address for
691         PIC addresses.
692         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
693         Remove special pattern.
694         ("*expanded_call_side", "*expanded_call_value_side"): New
695         patterns.
696         (gotplt-to-plt, gotplt-to-plt-side-call)
697         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
698         peephole2:s.
699         * config/cris/cris/predicates.md
700         ("cris_general_operand_or_gotless_symbol"): Remove unused
701         predicate.
702         ("cris_general_operand_or_symbol"): Adjust for new functions.
703
704 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
705
706         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
707
708 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
709
710         * Makefile.in (TREE_H): Add treestruct.def.
711         (c-decl.o): Add pointer-set.h
712         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
713         visibility on regular DECL's.
714         (merge_decls): Fix the copying of decl nodes of various types for
715         the new structures.  Don't update RTL, section name, weak status,
716         etc, on DECL's without RTL.     
717         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
718         Don't check volatile on non-variable types.
719         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
720         to check whether we have seen arguments.
721         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
722         flag is checked before field (flag is common, field is not).    
723         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
724         TS_DECL_COMMON could have an origin.
725         (add_location_or_const_value_attribute): Don't check section name
726         on non-var/function decls.
727         (dwarf2out_var_location): Reverse order of tests.
728         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
729         with DECL_WRTL_CHECK.
730         * expmed.c (make_tree): rtl is now in decl_with_rtl.
731         * fold-const.c (fold_binary): Don't check weakness on
732         non-var/function decls.
733         (tree_expr_nonzero_p): Ditto.
734         (fold_checksum_tree): Use tree_decl_extra as sizeof
735         buffer.
736         * ggc-page.c (extra_order_size_table): Add sizes for
737         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
738         tree_field_decl.
739         * gimplify.c (gimplify_bind_expr): Only set
740         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
741         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
742         without RTL.
743         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
744         * langhooks.h (init_ts). New langhook.
745         * passes.c (rest_of_decl_compilation): Reverse order of tests.
746         * print-tree.c (print_node): Update to only print fields that
747         exist in the structures the passed decl has.
748         * toplev.c (wrapup_global_declarations): Don't reset
749         DECL_DEFER_OUTPUT on DECL's that don't contain it.
750         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
751         * tree-inline.c (remap_decl): Ditto.
752         * tree-outof-ssa.c (create_temp): Reverse order of tests.
753         * tree-pretty-print.c (print_declaration): Don't print
754         DECL_REGISTER on things that don't contain it.
755         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
756         non-var/function decls.
757         * tree.c (tree_contains_struct): New structure.
758         (init_priority_for_decl): New hashtable.
759         (tree_int_map): New structure.
760         (tree_int_map_eq): New function.
761         (tree_int_map_marked_p): Ditto.
762         (tree_int_map_hash): Ditto.
763         (tree_map): Move to tree.h.
764         (tree_map_eq): Externalize.
765         (tree_map_hash): Ditto.
766         (tree_map_marked_p): Ditto.
767         (init_ttree): Set up tree_contains_struct and call langhook.
768         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
769         (tree_code_size): Update for new structures.
770         (tree_node_structure): Update for new structures.
771         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
772         without the field.
773         (copy_node_stat):  Copy init priority.
774         (build_decl_stat): Ditto for visibility.
775         (ts_enum_names): New.
776         (tree_contains_struct_check_failed): New function.
777         (decl_init_priority_lookup): Ditto.
778         (decl_init_priority_insert): Ditto.
779         * treestruct.def: New file.
780         * tree.h (CODE_CONTAINS_STRUCT): New macro.
781         (CONTAINS_STRUCT_CHECK): Ditto.
782         (tree_contains_struct_check_failed): New prototype.
783         (DECL_CHECK): Removed.
784         (DECL_MINIMAL_CHECK): New.
785         (DECL_COMMON_CHECK): Ditto.
786         (DECL_WRTL_CHECK): Ditto.
787         (DECL_NON_COMMON_CHECK): Ditto.
788         (DECL_WITH_VIS_CHECK): Ditto.
789         (VAR_OR_FUNCTION_DECL_P): Ditto
790         (struct tree_decl_minimal): New structure.
791         (struct tree_decl_common): Ditto.
792         (struct tree_decl_with_rtl): Ditto.
793         (struct tree_decl_with_vis): Ditto.
794         (struct tree_decl_non_common): Ditto.
795         (struct tree_field_decl): Ditto.
796         (struct tree_parm_decl): Ditto.
797         (struct tree_var_decl): Ditto.
798         (struct tree_function_decl): Ditto.
799         (struct tree_const_decl): Ditto.
800         (struct tree_result_decl): Ditto.
801         (union tree_node): Add new structures.
802         * var-tracking.c (track_expr_p): Reverse order of tests.
803         
804         * doc/c-tree.texi: Add documentation on DECL node internal structure.
805
806 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
807
808         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
809         * system.h: Poison FINALIZE_PIC.
810         * doc/tm.texi (FINALIZE_PIC): Remove.
811
812 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
813
814         PR tree-opt/22329
815         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
816         to the correct type if we have a MODIFY_EXPR.
817
818 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
819
820         PR tree-optimization/22360
821         * tree.c (upper_bound_in_type): Fix calculations for casting
822         to a non-wider signed type and casting a signed value to a
823         wider unsigned type.
824         (lower_bound_in_type): Fix calculations for casting to a
825         non-wider signed type.
826
827         PR tree-optimization/20139
828         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
829         release_defs.
830         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
831         fold_cond_expr_cond.
832         * tree-ssanames.c (release_defs): Assert in_ssa_p.
833         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
834
835 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
836
837         PR tree-opt/22356
838         * tree-complex.c (expand_complex_libcall): Produce
839         REALPART_EXPR/IMAGPART_EXPR with the correct type.
840
841 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
842
843         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
844         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
845         b" assert and inserted fastpath code for this case.
846         (bitmap_ior): Removed "a != b" assert.
847
848 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
849
850         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
851         (ENDFILE_SPEC): Likewise.
852         * config/m32r/m32r.h (ASM_SPEC): Likewise.
853
854         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
855         a large stack frame at epilogue.
856
857 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
858
859         * final.c: Include sdbout.h when required.
860
861 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
862
863         * config.gcc (*-*-darwin*): Only one target-specific header file
864         for generic darwin.
865         (powerpc-*-darwin*): Add version-specific header files.
866         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
867         * config.in: Regenerate.
868         * configure: Regenerate.
869         * gcc.c: Include xregex.h.
870         (version_compare_spec_function): New.
871         (spec_function): Add version-compare.
872         (replace_outfile_spec_function): Reformat comment.
873         (compare_version_strings): New.
874         * config/darwin-c.c (version_as_macro): New.
875         (builtin_define): New.
876         (darwin_cpp_builtins): New.
877         * config/darwin-protos.h (darwin_cpp_builtins): New.
878         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
879         (LIB_SPEC): Make unconditional, update comment.
880         (TARGET_C99_FUNCTIONS): Define.
881         * config/darwin.opt: Sort.
882         (mmacosx-version-min=): New.
883         * config/darwin7.h: Delete.
884         * config/darwin8.h: Delete.
885         * config/i386/darwin.h (): Call darwin_cpp_builtins.
886         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
887         (TARGET_C99_FUNCTIONS): Define.
888         * config/rs6000/darwin7.h: New.
889         * config/rs6000/darwin8.h: New.
890         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
891         (-mmacosx-version-min): Document.
892
893 2005-07-07  Ian Lance Taylor  <ian@airs.com>
894
895         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
896
897 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
898
899         PR middle-end/22239
900         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
901
902 2005-07-07  Khem Raj  <kraj@mvista.com>
903
904         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
905         in bytes, not words.
906
907 2005-07-07  Paul Brook  <paul@codesourcery.com>
908
909         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
910         DEFAULT_FUNCTION_ARG_PADDING to upward.
911
912 2005-07-07  Richard Henderson  <rth@redhat.com>
913
914         * function.c (locate_and_pad_parm): Record parameter alignment in
915         stack_alignment_needed.
916
917 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
918
919         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
920         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
921         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
922         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
923         (define_attr "type"): Add isync, sync, load_l, store_c.
924         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
925         Create scratch volatile MEM.
926         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
927         sync.
928         (load_locked_<mode>): New.
929         (store_conditional_<mode>): New.
930         (sync_compare_and_swap<mode>): Replace with splitter.
931         (sync_lock_test_and_set<mode>): Replace with splitter.
932         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
933         and UNSPECV_ISYNC.
934         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
935         is ics.  Attribute isync.
936         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
937         lwsync.
938         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
939         and UNSPECV_SYNC_OP.
940         (emit_unlikely_jump): New.
941         (emit_load_locked): New.
942         (emit_store_conditional): New.
943         (rs6000_split_compare_and_swap): New.
944         (rs6000_split_lock_test_and_set): New.
945         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
946         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
947         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
948         rs6000_split_lock_test_and_set): Declare.
949         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
950         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
951         store_c, isync, sync.
952
953 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
954
955         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
956         filenames to gtyp-gen.h.
957         (s-typ-gen): Use it in place of for loops.
958
959 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
960
961         * hooks.c (hook_bool_rtx_int_false): New function.
962         * hooks.h (hook_bool_rtx_int_false): Declare.
963         * target-def.h (TARGET_COMMUTATIVE_P): Define.
964         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
965         * target.h (struct gcc_target): Add commutative_p member.
966         * targhooks.c (hook_bool_rtx_commutative_p): New function.
967         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
968         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
969         (pa_commutative_p): New function.
970         * jump.c (target.h): Include.
971         (rtx_renumbered_equal_p): Use targetm.commutative_p.
972         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
973
974 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
975
976         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
977         (s390_expand_setmem): New.
978         * config/s390/s390.c: Likewise. 
979         (print_shift_count_operand): Truncate to 12 bits instead of 6.
980         Adapt comments.
981         * config/s390/s390.md: ("setmem<mode>"): Accept character as
982         general_operand.  Call new function "s390_expand_setmem".
983         ("clrmem_long", "*clrmem_long"): Rewrite to ...
984         ("setmem_long", "*setmem_long"): ... this.
985
986 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
987         
988         * config/s390/s390.c: (optimization_options): Enable
989         TARGET_MVCLE at -Os.
990         * doc/invoke.texi: Document changes in default behaviour.
991         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
992
993 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
994
995         * expr.c: (set_storage_via_setmem): Convert opchar to mode
996         defined by back-end.
997
998 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
999
1000         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
1001         all sets in the pattern.
1002         * config/rs6000/rs6000.md (stack_protect_testsi,
1003         stack_protect_testdi): Likewise.
1004
1005 2005-07-06  Jeff Law  <law@redhat.com>
1006
1007         * tree-vrp.c (simplify_using_ranges): Kill.
1008         (vrp_finalize): Remove call to simplify_using_ranges.
1009         (simplify_stmt_using_ranges): New function extracted from
1010         simplify_using_ranges.
1011         (simplify_div_or_mod_using_ranges): Likewise.
1012         (simplify_abs_using_ranges): Likewise.
1013         (simplify_cond_using_ranges): New function.
1014         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
1015         * tree-ssa-propagate.c (substitute_and_fold): Call
1016         simplify_stmt_using_ranges if we have range information.
1017
1018 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
1019
1020         * config/ia64/ia64.c (ia64_reorg): Check optimize before
1021         ia64_flag_schedule_isns2.
1022
1023         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
1024         reading/writing general registers.
1025         (ia64_function_arg): Revert 2005-06-18 change.
1026
1027 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1028
1029         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
1030         (legitimize_tls_address): Use gcc_unreachable instead of abort.
1031
1032 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
1033
1034         * function.c (expand_function_end): Revert part of 2005-06-27
1035         patch.  Do sjlj_emit_function_exit_after after return_label.
1036
1037 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1038
1039         * doc/install.texi (--disable-libssp): New.
1040
1041 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
1042
1043         * doc/invoke.texi: Update -fforce-mem documentation.
1044         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
1045         code for -fforce-mem.
1046         * expmed.c: (store_bit_field,store_fixed_bit_field,
1047         extract_bit_field): Ditto.
1048         * expr.c: (convert_move): Ditto.
1049         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
1050         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
1051         emit_conditional_add,expand_float,expand_fix): Ditto.
1052         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
1053         (common_handle_option): Issue warning when -fforce-mem specified.
1054
1055 2005-07-06  Paul Brook  <paul@codesourcery.com>
1056
1057         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
1058         argument is empty.
1059         * configure: Regenerate.
1060
1061 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
1062
1063         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
1064
1065 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
1066
1067         Fix PR tree-optimization/22319
1068         Fix PR tree-optimization/22140
1069         Fix PR tree-optimization/22310
1070
1071         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
1072         variable sized types.
1073         Use correct type for intermediate structure on *a = *b structure
1074         copies.
1075                 
1076 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1077
1078         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
1079         Remove.
1080         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
1081         (machine_function): Move typedef to...
1082         * config/rs6000/rs6000.c (machine_function): ... here.  Add
1083         varargs_save_offset field.
1084         (rs6000_stack_t): Remove varargs_size field.
1085         (setup_incoming_varargs): Allocate varargs save area using
1086         assign_stack_local, try to make it as small as possible.
1087         Save offset from virtual_stack_vars_rtx to the save area
1088         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
1089         instead of magic 8 when fp word byte size is used.
1090         (rs6000_va_start): Use cfun->machine->varargs_save_offset
1091         instead of -RS6000_VARARGS_SIZE.
1092         (rs6000_stack_info, debug_stack_info,
1093         rs6000_initial_elimination_offset): Remove all traces of
1094         varargs_size.
1095         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
1096         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
1097         RS6000_VARARGS_AREA.
1098
1099 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
1100
1101         PR tree-optimization/21963
1102         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
1103         constant_multiple_of in the same way get_computation_cost_at does.
1104
1105 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1106
1107         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
1108         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
1109         (gen_compare_reg): If sparc_compare_emitted is set, clear it
1110         and return its previous value.
1111         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
1112         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
1113         constants.
1114         (stack_protect_set, stack_protect_test): New expanders.
1115         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
1116         stack_protect_testdi): New insns.
1117         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1118         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
1119
1120 2005-07-06  Jeff Law  <law@redhat.com>
1121
1122         * tree-ssa-dce.c (cfg_altered): New global.
1123         (tree_dce_init): Initialize cfg_altered.
1124         (remove_dead_stmt): If we remove an edge in the CFG, then set
1125         CFG_ALTERED.
1126         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
1127         the dominators.
1128
1129 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1130
1131         * Makefile.in (stamp-collect-ld): Use
1132         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
1133         ./collect-ld if it already exists.
1134         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
1135         Don't remove ./nm if it already exists.
1136
1137 2005-07-05  Devang Patel  <dpatel@apple.com>
1138
1139         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
1140         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
1141         * tree-vectorizer.c (vect_loop_location): New.
1142         (vect_print_dump_info): Use vect_loop_location.
1143         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
1144         (vectorize_loops): Set vect_loop_location.
1145         * tree-vect-analyze.c (vect_analyze_offset_expr, 
1146         vect_determin_vectorization_factor, vect_analyze_operations,
1147         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
1148         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
1149         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
1150         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
1151         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
1152         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
1153         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
1154         vect_analyze_loop): Adjust vect_print_dump_info API.
1155         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1156         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
1157         vect_finish_stmt_generation, vectorizable_assignment, 
1158         vectorizable_operation, vectorizable_store, vectorizable_load, 
1159         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
1160         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1161         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
1162         vect_transform_loop): Same.
1163         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
1164         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
1165         Same.
1166
1167 2005-07-05  Randolph Chung  <tausq@debian.org>
1168
1169         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
1170         * configure: Regenerate.
1171         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
1172         (pa_tls_referenced_p): Declare.
1173         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
1174         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
1175         (legitimize_tls_address): New.
1176         (hppa_legitimize_address): Handle TLS addresses.
1177         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
1178         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1179         (emit_move_sequence): Handle TLS addresses.
1180         (pa_encode_section_info): Call default handler to handle common 
1181         sections.
1182         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
1183         (CONSTANT_ADDRESS_P): Reject TLS operands.
1184         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
1185         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
1186         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
1187         (UNSPEC_TLSLE): Define new constants. 
1188         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
1189         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
1190         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
1191         (tie_symbolic_operand, tle_symbolic_operand): New
1192
1193 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
1194
1195         * aclocal.m4: Update macros for autoconf 2.59 style.
1196         * configure.ac: Likewise.
1197
1198 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1199
1200         * pa.c (function_value): Handle small aggregates on 32-bit targets.
1201         (function_arg): Pass small aggregates in general registers on 32-bit
1202         targets.
1203         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
1204
1205 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
1206
1207         * Makefile.in (final.o): Fix dependencies.
1208
1209 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1210
1211         PR c/22013
1212         PR c/22098
1213         * langhooks.h (struct lang_hooks): Add expr_to_decl.
1214         * langhooks.c (lhd_expr_to_decl): New.
1215         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
1216         New.
1217         (LANG_HOOKS_INITIALIZER): Update.
1218         * tree.c (recompute_tree_invarant_for_addr_expr): Call
1219         expr_to_decl langhook.
1220         * c-tree.h (c_expr_to_decl): Declare.
1221         * c-typeck.c (c_expr_to_decl): New.
1222         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
1223         specially.
1224         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
1225
1226 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1227
1228         PR c/22308
1229         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
1230         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
1231
1232 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
1233
1234         * Makefile.in: Adjust dependencies.
1235         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
1236         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
1237         * alias.c (rest_of_handle_cfg, pass_cfg): New.
1238         * bb-reorder.c (duplicate_computed_gotos): Make it static.
1239         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
1240         rest_of_compilation.
1241
1242         * bb-reorder.c (gate_duplicate_computed_gotos,
1243         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
1244         rest_of_handle_reorder_blocks, pass_reorder_blocks,
1245         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
1246         pass_partition_blocks): New.
1247         * bt-load.c (gate_handle_branch_target_load_optimize,
1248         rest_of_handle_branch_target_load_optimize,
1249         pass_branch_target_load_optimize): New.
1250         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
1251         pass_jump2): New.
1252         * cfglayout.c (pass_insn_locators_initialize): New.
1253         * cfgrtl.c (pass_free_cfg): New.
1254         * combine.c (gate_handle_combine, rest_of_handle_combine,
1255         pass_combine): New.
1256         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
1257         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
1258         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
1259         * except.c (pass_set_nothrow_function_flags,
1260         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
1261         pass_rtl_eh): New.
1262         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
1263         rest_of_handle_shorten_branches, pass_shorten_branches,
1264         rest_of_clean_state, pass_clean_state): New.
1265         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
1266         rest_of_handle_remove_death_notes, pass_remove_death_notes,
1267         rest_of_handle_life, pass_life, rest_of_handle_flow2,
1268         pass_flow2): New.
1269         * function.c (pass_instantiate_virtual_regs, pass_init_function,
1270         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
1271         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1272         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
1273         pass_gcse): New.
1274         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
1275         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
1276         pass_rtl_ifcvt, gate_handle_if_after_combine,
1277         rest_of_handle_if_after_combine, pass_if_after_combine,
1278         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
1279         pass_if_after_reload): New.
1280         * integrate.c (pass_initial_value_sets): New.
1281         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
1282         pass_purge_lineno_notes): New.
1283         * mode-switching.c (rest_of_handle_mode_switching,
1284         pass_mode_switching): New.
1285         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
1286         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
1287         pass_loop2): New.
1288         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
1289         pass_loop_optimize): New.
1290         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
1291         pass_sms): New.
1292         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
1293         pass_gcse2): New.
1294         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
1295         pass_postreload_cse): New.
1296         * profile.c (gate_handle_profiling, pass_profiling,
1297         rest_of_handle_branch_prob, pass_branch_prob): New.
1298         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
1299         pass_split_before_regstack, gate_handle_split_before_regstack,
1300         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
1301         rest_of_handle_split_all_insns, pass_split_all_insns): New.
1302         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
1303         pass_stack_regs): New.
1304         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
1305         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
1306         pass_stack_adjustments): New.
1307         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
1308         pass_regrename): New.
1309         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
1310         pass_delay_slots, gate_handle_machine_reorg,
1311         rest_of_handle_machine_reorg, pass_machine_reorg): New.
1312         * rtl.h (extern void purge_line_number_notes): New.
1313         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
1314         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
1315         pass_sched2): New.
1316         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
1317         pass_tracer): New.
1318         * value-prof.c (gate_handle_value_profile_transformations,
1319         rest_of_handle_value_profile_transformations,
1320         pass_value_profile_transformations): New.
1321         * var-tracking.c (gate_handle_var_tracking,
1322         pass_variable_tracking): New.
1323         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
1324
1325         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
1326         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
1327         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
1328         rest_of_handle_old_regalloc, rest_of_handle_regrename,
1329         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
1330         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
1331         rest_of_handle_gcse2, rest_of_handle_regmove,
1332         rest_of_handle_tracer, rest_of_handle_if_conversion,
1333         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
1334         rest_of_handle_web, rest_of_handle_branch_prob,
1335         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
1336         rest_of_handle_jump_bypass, rest_of_handle_combine,
1337         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
1338         rest_of_handle_gcse, rest_of_handle_loop_optimize,
1339         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
1340         rest_of_handle_mode_switching, rest_of_handle_jump,
1341         rest_of_handle_eh, rest_of_handle_stack_adjustments,
1342         rest_of_handle_flow2, rest_of_handle_jump2,
1343         rest_of_handle_peephole2, rest_of_handle_postreload,
1344         rest_of_handle_shorten_branches, rest_of_clean_state,
1345         rest_of_compilation): Remove.
1346
1347         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
1348         * passes.c (dump_flags, in_gimple_form, all_passes,
1349         all_ipa_passes, all_lowering_passes, register_one_dump_file,
1350         register_dump_files, next_pass_1, last_verified, execute_todo,
1351         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
1352         from tree-optimize.c.
1353         (init_optimization_passes): Moved from tree-optimize.c,
1354         adding the RTL optimizations.
1355         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
1356         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
1357         all_ipa_passes, all_lowering_passes, register_one_dump_file,
1358         register_dump_files, next_pass_1, last_verified, execute_todo,
1359         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
1360         init_tree_optimization_passes, ipa_passes): Delete.
1361         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
1362         the RTL dumps.
1363         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
1364         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
1365         from tree.h.
1366         (ipa_passes): Remove.
1367         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
1368         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
1369         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
1370         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
1371         (dump_info_p, dump_flag): Moved to tree-dump.h.
1372         
1373         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
1374         cgraph.c, opts.c.
1375         * passes.c (finish_optimization_passes): Use dump_begin
1376         and dump_end, TDI_end.
1377         (gate_rest_of_compilation): New.
1378         (pass_rest_of_compilation): Use it.
1379         (gate_postreload, pass_postreload): New.
1380         * toplev.c (general_init): Rename init_tree_optimization_passes.
1381         * toplev.h (init_tree_optimization_passes): Rename to
1382         init_optimizations_passes.
1383         * tree-dump.c (dump_flag): Make static.
1384         (dump_files): Remove RTL dumps.
1385         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
1386         pass_cleanup_cfg, pass_free_cfg_annotations,
1387         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
1388         pass_init_datastructures, pass_fixup_cfg): Make non-static.
1389         * tree-pretty-print.c: Include tree-pass.h.
1390         * cgraph.c: Include tree-dump.h.
1391         
1392 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
1393
1394         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
1395         Only fall back to saying it points to readonly memory if
1396         we can't do better.
1397
1398 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1399
1400         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
1401         * config/m32r/m32r.c (m32r_compute_frame_size,
1402         m32r_expand_prologue): Take current_function_profile into
1403         account whenever we reference
1404         current_function_uses_pic_offset_table.
1405         (m32r_finalize_pic): Remove.
1406         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
1407
1408 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
1409
1410         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
1411         instead of $<.  Don't remove ./as if it already exists.
1412
1413 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1414
1415         PR target/21723
1416         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
1417         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
1418         for complex modes when generating code for PA 1.0.
1419         (VALID_FP_MODE_P): New macro.
1420         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
1421         sets for all general and floating point modes.  Align wide floating
1422         point modes to even register boundaries to comply with architectural
1423         requirements.
1424         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
1425         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
1426         (VALID_FP_MODE_P): New macro.
1427         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
1428         sets for all general and floating point modes.  Align wide floating
1429         point modes to even register boundaries to comply with architectural
1430         requirements.
1431
1432 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1433
1434         * tree-dump.c (dump_files): Initialize dump number for .cgraph
1435         to 0.
1436
1437 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1438
1439         * tree-ssa-structalias.c: Don't include expr.h.
1440
1441 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
1442
1443         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
1444         comments.
1445
1446 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
1447
1448         Fix PR tree-optimization/22279
1449         
1450         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
1451         correct operator.
1452         
1453 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
1454
1455         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
1456
1457 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
1458
1459         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
1460         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
1461         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
1462         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
1463         config/stormy16/stormy16.c, config/v850/v850.c,
1464         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
1465         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
1466         Avoid "." or "\n" at end of diagnostics and capital letters at
1467         start of diagnostics.
1468         * combine.c, cse.c: Don't translate dump file output.
1469         * toplev.c (print_version): Only translate output if going to
1470         stderr.
1471
1472 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1473
1474         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
1475         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
1476         typos.
1477
1478 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1479
1480         * pa.c (fix_range): Fix typo in comment.
1481
1482 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
1483
1484         * tree-vrp.c (extract_range_from_assert): Replace
1485         fold (build (...)) with fold_build2.
1486
1487 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1488
1489         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
1490         gcc_gfc_char_table, init_dynamic_gfc_info): New.
1491         (format_types_orig, handle_format_attribute): Add support for
1492         format "gcc_gfc".
1493
1494 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1495
1496         * varasm.c (assemble_variable): Fix format specifier thinko.
1497
1498 2005-07-03  Ira Rosen  <irar@il.ibm.com>
1499
1500         PR tree-optimization/22029 (and 22135)
1501         * tree-pretty-print.c (dump_generic_node): Check that the node is not
1502         a phi node before calling dump_vops.
1503
1504 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1505
1506         * tree-dump.h (dump_string_field): Declare.
1507         * tree-dump.c: Use it instead of dump_string.
1508         (dump_string_field): Make non-static.
1509
1510 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1511
1512         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
1513         up the minimal CFG stuff always when optimize > 0.  Call
1514         split_all_insns_noflow in PIC case if needed.
1515
1516 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1517             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
1518
1519         PR c++/18279
1520         * c-decl.c (c_write_global_declarations): Dump contents of
1521         external scope to.
1522         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
1523         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
1524         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
1525         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
1526         is enabled.
1527         
1528 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
1529
1530         * c-common.h (GCC_DIAG_STYLE): Define.
1531         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
1532         version for format checking to 4.1.
1533         * c-format.c: Include toplev.h after c-common.h.
1534         (enum format_type): Add gcc_tdiag_format_type.
1535         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
1536         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
1537         (format_types_orig): Add gcc_tdiag.
1538         (init_dynamic_diag_info): Support gcc_tdiag formats.
1539         (handle_format_attribute): Likewise.
1540         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
1541         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
1542         version for format checking to 4.1.
1543         (warning0, warning, error, pedwarn, sorry): Use
1544         ATTRIBUTE_GCC_DIAG.
1545         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
1546         (finish_aliases_1): Do not use %qE.
1547         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
1548         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
1549         Correct format bugs.
1550         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
1551         parameter to unsigned HOST_WIDE_INT.
1552         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
1553
1554 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
1555
1556         PR middle-end/21742
1557         * expr.c (write_complex_part): Use adjust_address for MEM.
1558         (read_complex_part): Same.
1559
1560 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
1561
1562         Fix PR tree-optimization/22280
1563
1564         * tree-sra.c (generate_element_init): Remove useless loop.
1565
1566 2005-07-02  Richard Henderson  <rth@redhat.com>
1567
1568         * config/alpha/alpha.c (alpha_legitimize_address): Check for
1569         TLS_MODEL_NONE.
1570         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
1571
1572 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
1573
1574         PR middle-end/14490
1575         * fold-const.c (fold_binary): Handle the return value of
1576         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
1577         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
1578
1579 2005-07-02  Jeff Law  <law@redhat.com>
1580
1581         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
1582         a eliminate type conversion which feeds an equality comparison
1583         if the original type or either operand in the comparison is a
1584         function pointer.
1585
1586 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
1587
1588         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
1589         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
1590         texts.
1591         * config/avr/avr.c: Do not use '`' as left quote.
1592         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
1593         Remove "." from end of diagnostics.  Make diagnostics start with
1594         lowercase letter.
1595
1596 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
1597             Joseph S. Myers  <joseph@codesourcery.com>
1598
1599         * toplev.c (default_tree_printer): Handle setting location with
1600         '+' flag.
1601         * c-objc.common.c (c_tree_printer): Likewise.
1602         * c-format.c (gcc_diag_flag_specs): Add '+'.
1603         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
1604         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
1605         formats.
1606         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
1607         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
1608         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
1609         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
1610         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
1611         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
1612         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
1613         format arguments where %J is used without %D.
1614
1615 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
1616
1617         * gcc.c (LINK_SSP_SPEC): Define.
1618         (link_ssp_spec): New variable.
1619         (LINK_COMMAND_SPEC): Add %(link_ssp).
1620         (static_specs): Add link_ssp_spec.
1621         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
1622         * configure: Rebuilt.
1623         * config.in: Rebuilt.
1624
1625         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1626         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1627         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1628         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
1629         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
1630         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
1631         -0x7008(2) instead of reading __stack_chk_guard variable.
1632         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
1633         number.
1634         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
1635         (stack_protect_set, stack_protect_test): Use *_tls* patterns
1636         if TARGET_THREAD_SSP_OFFSET is defined.
1637         (stack_tls_protect_set_si, stack_tls_protect_set_di,
1638         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
1639
1640         Revert:
1641         2005-06-27  Richard Henderson  <rth@redhat.com>
1642         * libgcc-std.ver (GCC_4.1.0): New.
1643         * libgcc.h (__stack_chk_guard): Declare.
1644         (__stack_chk_fail, __stack_chk_fail_local): Declare.
1645         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
1646         * mklibgcc.in (lib2funcs): Add them.
1647
1648 2005-07-01  Richard Henderson  <rth@redhat.com>
1649
1650         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
1651         void * before struct sigcontext *.
1652         (x86_fallback_frame_state): Likewise.
1653
1654 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
1655
1656         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
1657
1658 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1659
1660         PR tree-opt/22269
1661         * tree-ssa-reassoc.c (should_transpose): Fix which operand
1662         we check for SSA_NAME for.
1663
1664 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
1665
1666         Fix PR tree-optimization/22071
1667
1668         * tree-ssa-structalias.c (offset_overlaps_with_access): New
1669         function.
1670         (get_constraint_for_component_ref): Use it.
1671
1672 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
1673
1674         PR other/22264
1675         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
1676         print out the last new line.
1677
1678 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
1679
1680         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
1681         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
1682         * config/cris/cris.c (cris_conditional_register_usage): Adjust
1683         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
1684         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
1685         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
1686         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
1687         (enum reg_class): New member CC0_REGS.
1688         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
1689         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
1690         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
1691         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
1692         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
1693         Adjust for register now described.
1694
1695 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR target/22262
1698         * config/i386/i386.md (stack_protect_test_si,
1699         stack_protect_test_di): Add earlyclobber for scratch 3.
1700         * config/rs6000/rs6000.md (stack_protect_testsi,
1701         stack_protect_testdi): Add earlyclobber for scratch 3,
1702         remove earlyclobber from scratch 4.
1703
1704 Older entries for 2005 can be found in ChangeLog-2005.