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* opts.c (decode_options): Lower the crossjump threshold for -Os.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-10-29  Richard Earnshaw  <rearnsha@arm.com>
2
3         * opts.c (decode_options): Lower the crossjump threshold for -Os.
4
5 2004-10-29  Diego Novillo  <dnovillo@redhat.com>
6
7         * tree.h (struct tree_ssa_name): Remove field 'equiv'.
8
9 2004-10-28  Nathan Sidwell  <nathan@codesourcery.com>
10
11         * bitmap.h (bitmap_empty_p): New.
12         (bitmap_and, bitmap_and_into, bitmap_and_compl,
13         bitmap_and_compl_into, bitmap_ior, bitmap_ior_into,
14         bitmap_ior_compl, bitmap_xor, bitmap_xor_into): New bitmap
15         operation macros.
16         (bitmap_ior_and_compl): Rename to ...
17         (bitmap_ior_and_compl_into): ... here.
18         * bitmap.c (bitmap_equal_p): Use bitmap_xor.
19         (bitmap_ior_and_compl): Rename to ...
20         (bitmap_ior_and_compl_into): ... here. Adjust. Return changed
21         flag.
22         (bitmap_union_of_diff): Use renamed bitmap functions.
23         * basic-block.h (AND_REG_SET, AND_COMPL_REG_SET, IOR_REG_SET,
24         XOR_REG_SET, IOR_AND_COMPL_REG_SET): Likewise.
25         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
26         * df.c (df_bb_rd_local_compute)
27         * flow.c (calculate_global_regs_live,
28         init_propagate_block_info): Likewise.
29         * ifcvt.c (find_if_case_1, find_if_case_2,
30         dead_or_predicable): Likewise.
31         * ra-build.c (union_web_part_roots, livethrough_conflicts_bb,
32         reset_conflicts, conflicts_between_webs): Likewise.
33         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
34         detect_web_parts_to_rebuild): Likewise.
35         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
36         * tree-int-ssa.c (insert_phi_nodes_for, rewrite_into_ssa): Likewise.
37         * tree-sra.c (decide_instantiations): Likewise.
38         * tree-ssa-alias.c (create_name_tags,
39         merge_pointed_to_info): Likewise.
40         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
41         * tree-ssa-loop-im.c (move_computations): Likewise.
42         * tree-ssa-operands.c (get_call_expr_operands): Likewise.
43         * tree-ssa-pre.c (fini_pre): Likewise.
44         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
45         * tree-ssanames.c (any_marked_for_rewrite_p): Likewise.
46         * tree-vectorizer.c (vectorize_loops): Likewise.
47
48 2004-10-29  Nick Clifton  <nickc@redhat.com>
49
50         config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): When
51         adding the PIC register to the fixed_regs array, also add it
52         to the call_used_regs array.  
53
54 2004-10-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
55
56         * gthr-posix.h (__gthread_recursive_mutex_init_function): Guard
57         with #ifdef PTHREAD_MUTEX_RECURSIVE/#endif pairs.
58
59 2004-10-28  Daniel Berlin  <dberlin@dberlin.org>
60
61         * tree-into-ssa.c (rewrite_virtual_phi_arguments): New function.
62         (rewrite_blocks): Modify argument, and use it to decide which
63         function to call.
64         (rewrite_def_def_chains): Call rewrite_blocks with true here.
65         (rewrite_into_ssa): and call it with false here.
66         
67 2004-10-29  Kazu Hirata  <kazu@cs.umass.edu>
68
69         * tree-phinodes.c (add_phi_arg): Turn an "if" that always
70         triggers into gcc_assert.
71
72 2004-10-28  Diego Novillo  <dnovillo@redhat.com>
73
74         PR tree-optimization/16728
75         * tree-flow.h (get_ptr_info): Declare.
76         * tree-ssa-alias.c (get_ptr_info): Make extern.
77         * tree-ssa-copy.c (merge_alias_info): Merge flow-sensitive
78         alias information.
79
80 2004-10-28  Stan Shebs  <shebs@apple.com>
81
82         * config/rs6000/darwin.h (SUBTARGET_EXTRA_SPECS): Handle -m64.
83         * config/rs6000/rs6000.c (rs6000_darwin_file_start): Add ppc64
84         case.
85
86 2004-10-28  Frank Ch. Eigler  <fche@redhat.com>
87
88         * tree-mudflap.c (mudflap_init): Mark cache-lookup decls to
89         prevent their later unnecessary registration.
90         (mf_build_check_statement_for): Remove "addr" argument, and
91         related "__mf_value" generated code.  Update callers.
92         (mf_decl_eligible_p): New function, factored from mx_register_decls.
93         (mx_register_decls): Call it.
94         (mf_xform_derefs_1): Rewrite COMPONENT_REF and ARRAY_REF cases
95         to restore support for complex nested expressions.
96         (mudflap_enqueue_decl): Simplify.  Move registration call emission
97         out ...
98         (mudflap_finish_file): ... to here.
99         (mudflap_enqueue_constant): Remove dump code.
100
101 2004-10-28  Zack Weinberg  <zack@codesourcery.com>
102
103         PR 18199
104         * dbxout.c (dbxout_begin_complex_stabs_noforcetext): New function.
105         (DBX_FINISH_STABS): Add (unused by default) SYM parameter.
106         (dbxout_finish_complex_stabs): Update to match.
107         (dbxout_symbol_location): Call emit_pending_bincls_if_required
108         and FORCE_TEXT before DBX_STATIC_BLOCK_START.  Use
109         dbxout_begin_complex_stabs_noforcetext.
110         * xcoffout.h (DBX_FINISH_STABS): Restore special case for
111         N_GSYM, using new SYM parameter.  Correct logic for special
112         cases for N_FUN.
113
114         * varasm.c (function_section): If DECL is NULL_TREE, don't try
115         to do anything else.  Do not call get_insns if cfun or
116         cfun->emit are NULL.
117
118 2004-10-28  Adam Nemet  <anemet@lnxw.com>
119
120         PR middle-end/18160
121         * c-typeck.c (c_mark_addressable): Issue error if address of a
122         register variable is taken.  Use "%qD" to print DECL_NAME.
123
124 2004-10-28  Diego Novillo  <dnovillo@redhat.com>
125
126         * opts.c (decode_options): Don't run PRE at -Os.
127
128 2004-10-28  Richard Henderson  <rth@redhat.com>
129
130         * config/alpha/alpha.md (movqicc_internal): Allow exactly one
131         zero in the conditional.
132         (movhicc_internal, movsicc_internal, movdicc_internal): Likewise.
133
134 2004-10-28  Richard Henderson  <rth@redhat.com>
135
136         * cse.c (memory_extend_rtx): Remove.
137         (cse_main): Don't set it.
138         (cse_insn): Use a local buffer instead.
139
140 2004-10-28  Andreas Krebbel  <krebbel1@de.ibm.com>
141
142         * profile.c (branch_prob): Call to init_edge_profiler added.
143         * rtl-profile.c (rtl_init_edge_profiler): New function.
144         (rtl_gen_edge_profiler): Replaced call to insert_insn_on_edge with
145         call to safe_insert_insn_on_edge.
146         (rtl_profile_hooks): rtl_init_edge_profiler added.
147         * tree-profile.c (tree_init_edge_profiler): New function.
148         (tree_profile_hooks): tree_init_edge_profiler added.
149         * value-prof.h (profile_hooks) init_edge_profiler prototype added.
150
151 2004-10-28  Nick Clifton  <nickc@redhat.com>
152
153         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Use
154         emit_jump_insn() to generate the return instruction.
155
156 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
157
158         * tree-phinodes.c: Remove trailing whitespace.
159
160 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
161
162         * tree-ssa-loop-ivopts.c: Fix a comment typo.
163         * doc/invoke.texi: Fix a typo.
164
165 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
166
167         * Makefile.in (OBJS-common): Remove duplicates.
168
169 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
170
171         * lambda-code.c (nestify_update_pending_stmts): Remove.
172         (perfect_nestify): Use flush_pending_stmts instead of
173         nestify_update_pending_stmts.
174         * tree-cfg.c (tree_make_forwarder_block): Use
175         flush_pending_stmts.
176         * tree-flow.h: Add a prototype for flush_pending_stmts.
177         * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
178         Use flush_pending_stmts.
179         (lv_update_pending_stmts): Remove.
180         (tree_ssa_loop_version): Use flush_pending_stmts instead of
181         lv_update_pending_stmts.
182         * tree-ssa.c (flush_pending_stmts): New.
183
184 2004-10-28  Ulrich Weigand  <uweigand@de.ibm.com>
185
186         PR target/15286
187         * final.c (alter_subreg): Compute correct offset to use with
188         paradoxical SUBREGs of memory operands.
189         * recog.c (general_operand): Allow paradoxical SUBREGs of
190         memory operands after reload.
191         * simplify-rtx.c (simplify_gen_subreg): Fail if simplify_subreg
192         has failed when passed a hard register.
193
194 2004-10-28  Aldy Hernandez  <aldyh@redhat.com>
195
196         * function.c (assign_parm_setup_block): Handle parallels correctly.
197
198 2004-10-28  Kaz Kojima  <kkojima@gcc.gnu.org>
199
200         * final.c (shorten_branches): Initialize flags structure.
201
202 2004-10-28  Nathan Sidwell  <nathan@codesourcery.com>
203
204         * tree.c (int_cst_node, int_cst_hash_table): New variables.
205         (init_ttree): Initialize them.
206         (int_cst_hash_hash, int_cst_hash_eq): New hashing functions.
207         (build_int_cst_wide): Use hash table for oversized integers.
208
209 2004-10-28  Nick Clifton  <nickc@redhat.com>
210
211         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Define
212         begin_label.
213
214 2004-10-27  Richard Henderson  <rth@redhat.com>
215
216         PR middle-end/18163
217         * expr.c (emit_group_load): Don't go force temporary for memory
218         or concat source.
219         (emit_group_store): Similarly.
220
221 2004-10-27  Andrew Pinski  <pinskia@physics.uc.edu>
222
223         PR other/18186
224         * common.opt (--param): Fix spelling of parameter.
225
226 2004-10-27  Andrew Pinski  <pinskia@physics.uc.edu>
227
228         PR tree-opt/17529
229         * tree-cfg.c (remove_useless_stmts_1) <case SWITCH_EXPR>:
230         Don't fold statement.
231         <case ASM_EXPR>: Fold the statement.
232
233 2004-10-28  Kazu Hirata  <kazu@cs.umass.edu>
234
235         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
236         <COND_EXPR>: Use EDGE_COUNT instead of GOTO_DESTINATION.
237
238 2004-10-28  Joseph S. Myers  <jsm@polyomino.org.uk>
239
240         * doc/contrib.texi, doc/cpp.texi, doc/cppopts.texi,
241         doc/extend.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
242         doc/libgcc.texi, doc/md.texi, doc/passes.texi,
243         doc/sourcebuild.texi, doc/tm.texi: Improve Texinfo formatting.
244
245 2004-10-28  Joseph S. Myers  <jsm@polyomino.org.uk>
246
247         * doc/c-tree.texi, doc/cpp.texi, doc/implement-c.texi,
248         doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/tm.texi: Put
249         punctuation outside quotes.
250
251 2004-10-27  David Mosberger  <davidm@hpl.hp.com>
252             James E Wilson  <wilson@specifixinc.com>
253
254         PR target/13158
255         * config/ia64/ia64.c (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on
256         sibcall alloc instruction.
257         (process_set): Handle sibcall alloc instruction.
258
259 2004-10-27  Geoffrey Keating  <geoffk@apple.com>
260
261         * config/rs6000/rs6000.c (rs6000_attribute_table): Add
262         SUBTARGET_ATTRIBUTE_TABLE.
263         * config/darwin.h (ASM_WEAKEN_DECL): Handle weak_import.
264         (SUBTARGET_ATTRIBUTE_TABLE): Define.
265         * config/darwin.c (darwin_handle_weak_import_attribute): New.
266         (HAVE_DEAD_STRIP): Delete.
267         (no_dead_strip): Don't test HAVE_DEAD_STRIP.
268         * config/darwin-protos.h (darwin_handle_weak_import_attribute):
269         Prototype.
270
271         * doc/tm.texi (USE_SELECT_SECTION_FOR_FUNCTIONS): Document.
272
273         * config/darwin.h (GTHREAD_USE_WEAK): Define.
274
275 2004-10-28  Ben Elliston  <bje@au.ibm.com>
276
277         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): New.
278         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Likewise.
279         * params.h (SRA_MAX_STRUCTURE_SIZE): New.
280         (SRA_FIELD_STRUCTURE_RATIO): Likewise.
281         * tree-sra.c: Include "params.h".
282         (decide_block_copy): Use new parameters.
283         * doc/invoke.texi (Optimize Options): Document new SRA pass
284         parameters sra-max-structure-size and sra-field-structure-ratio.
285
286 2004-10-27  Nicolas Pitre <nico@cam.org>
287
288         * config/arm/ieee754-df.S (floatdidf): Fix regression with big values.
289
290 2004-10-27  Zdenek Dvorak  <dvorakz@suse.cz>
291
292         PR tree-optimization/18048
293         * fold-const.c (try_move_mult_to_index): New function.
294         (fold): Use try_move_mult_to_index.
295         * tree-ssa-loop-ivopts.c (try_add_cand_for): Prefer common candidates.
296         * tree-ssa-loop-niter.c (number_of_iterations_cond): Produce
297         an all-ones unsigned constant without extra bits.
298         * tree.c (build_low_bits_mask): New function.
299         * tree.h (build_low_bits_mask): Declare.
300
301 2004-10-27  David Edelsohn  <edelsohn@gnu.org>
302
303         PR target/17956
304         * config/rs6000/rs6000.md (maxsf3): Add !flag_trapping_math to
305         final condition.
306         (minsf3): Same.
307         (maxdf3): Same.
308         (mindf3): Same.
309
310 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
311
312         * tree-cfg.c (thread_jumps): Speed up by reordering the two
313         conditions for entering basic blocks into worklist.
314
315 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
316
317         * tree-cfg.c (thread_jumps): Speed up by pretending to have
318         ENTRY_BLOCK_PTR in worklist.
319
320 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
321
322         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
323         <GOTO_EXPR>: Don't let an explicit GOTO_EXPR slip through.
324
325 2004-10-27  Daniel Berlin <dberlin@dberlin.org>
326
327         Fix PR tree-optimization/17133
328
329         * tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must
330         def kill operand.
331
332         * tree-flow-inline.h: V_MUST_DEF_OP became V_MUST_DEF_RESULT.
333         (get_v_must_def_result_ptr): Modify for new structure of
334         v_must_defs array.
335         (get_v_must_def_kill_ptr): New.
336         (op_iter_next_use): Add support for the kill that occurs in V_MUST_DEFs.
337         (op_iter_next_tree): Ditto. Also V_MAY_DEF_OP became V_MAY_DEF_RESULT.
338         (op_iter_next_def): V_MAY_DEF_OP became V_MAY_DEF_RESULT.
339         (op_iter_init): Initialize new mustu members.
340         (op_iter_next_mustdef): New function.
341         (op_iter_init_mustdef): Ditto.
342
343         * tree-flow.h (rewrite_def_def_chains): New function.
344
345         * tree-into-ssa.c (mark_def_sites): Handle mustdefkill operands.
346         (ssa_mark_def_sites): Ditto.
347         (rewrite_stmt): Ditto.
348         (ssa_rewrite_stmt): Ditto.
349         (rewrite_blocks): Factor out from rewrite_into_ssa.
350         (mark_def_block_sites): Ditto.
351         (rewrite_def_def_chains): New function, just rewrites def-def
352         chains without phi node insertion.
353
354         * tree-pass.h (TODO_fix_def_def_chains): New todo flag.
355
356         * tree-optimize.c (execute_todo): Handle TODO_fix_def_def_chains.
357
358         * tree-pretty-print.c (dump_vops): Print out MUST_DEF's so that
359         they include the rhs now.
360
361         * tree-ssa-ccp.c (visit_assignment): V_MUST_DEF_OP became
362         V_MUST_DEF_RESULT.
363
364         * tree-ssa-dce.c (mark_operand_necessary): Add phionly argument.
365         Update callers.
366         (mark_really_necessary_kill_operand_phis): New function.
367         (perform_tree_ssa_dce): Call it.
368         (pass_dce): Add TODO_fix_def_def_chains.
369         (pass_cd_dce): Ditto.
370
371         * tree-ssa-loop-im.c (determine_max_movement): Look at kills as
372         well.
373         (rewrite_mem_refs): Ditto.
374
375         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Look at kills
376         as well.
377
378         * tree-ssa-operands.c (allocate_v_may_def_optype):
379         v_may_def_operand_type_t became v_def_use_operand_type_t.
380         (allocate_v_must_def_optype) Ditto.
381         (finalize_ssa_v_must_defs): Update for new operand type, as well
382         as setting the use portion as well.
383         (copy_virtual_operands): Copy the kill operand as well.
384         (create_ssa_artficial_load_stmt): V_MUST_DEF_OP became
385         V_MUST_DEF_RESULT.
386
387         * tree-ssa-operands.h (v_may_def_operand_type): Renamed to
388         v_def_use_operand_type.
389         (v_must_def_optype_d): Use v_def_use_operand_type.
390         (V_MUST_DEF_OP_*): Renamed to V_MUST_DEF_RESULT_*
391         (V_MUST_DEF_KILL_*): New macros.
392         (struct ssa_operand_iterator_d): Add num_v_mustu and v_mustu_i
393         members.
394         Rename existing must_i and num_v_must members to mustd_i and
395         num_v_mustd.
396         (SSA_OP_VMUSTDEFKILL): New flag.
397         (SSA_OP_VIRTUAL_KILLS): New flag.
398         (SSA_OP_ALL_OPERANDS): Add in SSA_OP_ALL_KILLS.
399         (SSA_OP_ALL_KILLS): New flag.
400         (FOR_EACH_SSA_MUSTDEF_OPERAND): New macro.
401
402         * tree-ssa.c (verify_ssa): Verify virtual kills as well.
403
404         * tree-vectorizer.c (vect_create_data_ref_ptr): V_MUST_DEF_OP
405         became V_MUST_DEF_RESULT.
406         (rename_variables_in_bb): Rename kill pointer as well.
407
408         * tree-dfa.c (compute_immediate_uses_for_stmt): Add kills into the
409         immediate uses.
410
411 2004-10-27  Richard Sandiford  <rsandifo@redhat.com>
412
413         * dbxout.c (dbxout_source_line): Move declaration of begin_label to
414         the block that needs it.
415
416 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
417
418         * dbxout.c (dbxout_finish_complex_stabs): Mark 'line' variable
419         ATTRIBUTE_UNUSED.
420
421 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
422
423         * c-lex.c (cb_def_pragma): Clean up code for making location
424         palatable to diagnostic.c.
425
426 2004-10-27  Steven Bosscher  <stevenb@suse.de>
427
428         PR tree-optimization/17757
429         * tree-phinodes.c (remove_phi_arg_num): Don't remove PHIs
430         without any PHI arguments left.  Make sure the argument that
431         we're supposed to remove exists at all.
432
433 2004-10-27  Paul Brook  <paul@codesourcery.com>
434
435         * configure.ac: Don't test for [build] __cxa_atexit when building a
436         cross compiler.
437         * configure: Regenerate.
438
439 2004-10-27  Paul Brook  <paul@codeosurcery.com>
440
441         * configure.ac: Use build_exeext not host_exeext when lookin for
442         target tools.
443         * configure: Regenerate.
444
445 2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
446
447         * config/s390/s390.md ("*subdf3_cc"): Replaced plus by minus.
448
449 2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
450             patch originally created by Kelley Cook  <kcook@gcc.gnu.org>
451
452         PR middle-end/14684
453         * opts.c (OPT_fprofile_generate): Default to -funroll-loops
454         to match -fprofile-use.
455
456 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
457
458         * config/rs6000/rs6000.c: Fix a comment typo.
459
460 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
461
462         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Increment line
463         counter.
464
465 2004-10-27  Andreas Schwab  <schwab@suse.de>
466
467         * varasm.c (default_stabs_asm_out_destructor): Mark symbol as
468         unused.
469         (default_stabs_asm_out_constructor): Likewise.
470
471 2004-10-26  Geoffrey Keating  <geoffk@apple.com>
472
473         * builtins.c (fold_builtin_unordered_cmp): Always bring both
474         operands to the same type.
475
476 2004-10-26  James E Wilson  <wilson@specifixinc.com>
477
478         PR target/18010
479         * emit-rtl.c (emit_copy_of_insn_after): Copy RTX_FRAME_RELATED_P.
480
481 2004-10-26  Zack Weinberg  <zack@codesourcery.com>
482
483         * dbxout.c: Include obstack.h.
484         (ASM_STABS_OP): Take XCOFF_DEBUGGING_INFO into account in
485         default definition.
486         (ASM_STABD_OP, NO_DBX_MAIN_SOURCE_DIRECTORY, DBX_CONTIN_CHAR):
487         Default-define here.
488         (DBX_CONTIN_LENGTH): Move definition with others.
489         (DBX_FINISH_STABS): New target macro.
490         (current_sym_code, current_sym_value, current_sym_addr)
491         (current_sym_nchars, CHARS, dbxout_continue)
492         (print_int_cst_octal, print_octal, print_wide_int)
493         (dbxout_prepare_symbol, dbxout_finish_symbol): Delete.
494         (stabstr_ob, stabstr_last_contin_point): New variables.
495         (NUMBER_FMT_LOOP): New improper macro.
496         (dbxout_int, dbxout_stab_value_zero, dbxout_stab_value_label)
497         (dbxout_stab_value_label_diff, dbxout_stab_value_internal_label)
498         (dbxout_stab_value_internal_label_diff, dbxout_stabd)
499         (dbxout_begin_stabn, dbxout_begin_stabn_sline)
500         (dbxout_begin_simple_stabs, dbxout_begin_simple_stabs_desc)
501         (dbxout_begin_complex_stabs, dbxout_finish_complex_stabs)
502         (stabstr_C, stabstr_S, stabstr_I, stabstr_D, stabstr_U, stabstr_O)
503         (stabstr_continue, DECL_ACCESSIBILITY_CHAR)
504         New functions and/or proper function-like macros.
505         (CONTIN): Use stabstr_continue, unconditionally.
506         (get_lang_number): Define unconditionally, with ATTRIBUTE_UNUSED.
507         (dbxout_init): Initialize stabstr_ob.  Check
508         NO_DBX_MAIN_SOURCE_DIRECTORY.  Only write out the Ltext label
509         if it was used.  Use the new interfaces.
510         (dbxout_source_file): Remove file argument; always write to
511         asm_out_file.  Use the new interfaces.
512         (dbxout_type_method_1): Remove second argument which is always
513         DECL_ASSEMBLER_NAME of the first argument.  Use the new interfaces.
514         (dbxout_type_methods): Remove write-only variables.  Use the
515         new interfaces.
516         (dbxout_parms): Refactor to remove code duplicated in each of
517         several successive if-else-if blocks.  Use the new interfaces.
518         (dbxout_function_end, emit_bincl_stab, dbxout_end_source_file)
519         (dbxout_source_line, dbxout_finish, dbxout_type_index)
520         (dbxout_type_fields, dbxout_range_type, dbxout_type, dbxout_type_name)
521         (dbxout_class_name_qualifiers, dbxout_symbol, dbxout_symbol_location)
522         (dbxout_symbol_name, dbxout_reg_parms, dbxout_args)
523         (dbx_output_lbrac, dbx_output_rbrac, dbxout_block):
524         Use the new interfaces.
525         * Makefile.in (dbxout.o): Update dependencies.
526
527         * defaults.h: Don't define ASM_STABD_OP.
528         * output.h: Prototype new dbxout_* interfaces.
529         * system.h: Poison DBX_OUTPUT_GCC_MARKER and DBX_FINISH_SYMBOL.
530         * varasm.c: Don't define ASM_STABS_OP.
531         (default_stabs_asm_out_constructor, default_stabs_asm_out_destructor):
532         Use the new dbxout.c interfaces.  Call sorry if neither
533         DBX_DEBUGGING_INFO nor XCOFF_DEBUGGING_INFO is defined.
534
535         * xcoffout.h: Don't define ASM_STABS_OP.
536         (DBX_FINISH_SYMBOL): Rewrite and rename DBX_FINISH_STABS.
537         (DBX_OUTPUT_MAIN_SOURCE_DIRECTORY, DBX_OUTPUT_GCC_MARKER): Delete.
538         (NO_DBX_MAIN_SOURCE_DIRECTORY, NO_DBX_GCC_MARKER): Define.
539         (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Change bare block to
540         do { ... } while (0) idiom.
541
542         * config/alpha/alpha.c (num_source_filenames): Export.
543         * config/alpha/alpha.h (num_source_filenames): Declare.
544         (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
545         (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
546         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
547         Always use .debugsym.  Update commentary.
548         * config/mips/mips.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
549         (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
550         * config/rs6000/linux64.h (DBX_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC):
551         Use new interfaces.
552         * config/rs6000/rs6000.c: If TARGET_MACHO, include gstab.h.
553         (macho_branch_islands): Use new interfaces.
554
555         * doc/tm.texi: Update.
556
557 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
558
559         * expr.c (emit_group_store): Do not treat floats as BLKmode.
560         (emit_group_load): Same.
561
562 2004-10-26  Joseph S. Myers  <jsm@polyomino.org.uk>
563
564         * c-parse.in (datadef): Use pedwarn rather than error and warning
565         for diagnostic in case of no declaration specifiers.
566
567 2004-10-26  Richard Sandiford  <rsandifo@redhat.com>
568
569         PR bootstrap/15747
570         * doc/install.texi (mips-sgi-irix5): Document that /bin/sh has been
571         reported to hang during bootstrap and that CONFIG_SHELL=/bin/ksh
572         can be used to work around this.
573
574 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
575
576         * config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Adjust for e500
577         doubles.
578
579 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
580
581         * stmt.c (expand_case): Update a comment.
582
583 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
584
585         * stmt.c (expand_case): Put an assertion that index_expr is
586         never INTEGER_CST.  Don't special case for constant
587         index_expr.
588
589 2004-10-26  Andrew Pinski  <pinskia@physics.uc.edu>
590
591         PR 18162
592         * c-parse.in (designator): Finish with a semi-colon.
593
594 2004-10-26  Fariborz Jahanian <fjahanian@apple.com>
595
596         * config/rs6000/rs6000.md (andsi3_internal8): Set CR when splitting
597         into rotlsi3.
598
599 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
600
601         * stmt.c (expand_case): Remove code to handle SWITCH_EXPR with
602         a default case only.
603
604 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
605
606         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): Adjust for
607         e500 doubles.
608         (spe_build_register_parallel): New.
609         (rs6000_spe_function_arg): Handle e500 doubles.
610         (function_arg): Same.
611         (spe_func_has_64bit_regs_p): Same.
612         (rs6000_function_value): Same.
613         (rs6000_libcall_value): Same.
614         (legitimate_lo_sum_address_p): Return false for e500 doubles.
615
616         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): Adjust for e500
617         doubles.
618         (DATA_ALIGNMENT): Same.
619         (CANNOT_CHANGE_MODE_CLASS): Same.
620
621 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
622
623         * expr.c (emit_group_load): Handle floats.
624         (emit_group_store): Same.
625
626 2004-10-26  Nathan Sidwell  <nathan@codesourcery.com>
627
628         * c-lex.c (get_nonpadding_token): Remove.
629         (c_lex_with_flags): Push timevar and eat padding here.  Improve
630         stray token diagnostic.
631         (lex_string): Replace logic with switch statement, eat padding
632         token here.
633
634 2004-10-26  Geoffrey Keating  <geoffk@apple.com>
635
636         PR 18149
637         * config/i386/darwin.h (ASM_SPEC): Undef it before defining.
638
639 2004-10-25  Geoffrey Keating  <geoffk@apple.com>
640
641         * config/darwin.h (LINK_SPEC): Default weak_reference_mismatches
642         to 'non-weak'.
643         (MAKE_DECL_ONE_ONLY): Set DECL_WEAK.
644         (ASM_MAKE_LABEL_LINKONCE): Delete.
645         (ASM_WEAKEN_DECL): New.
646         (ASM_DECLARE_OBJECT_NAME): Look at DECL_WEAK not DECL_ONE_ONLY.
647         (ASM_DECLARE_FUNCTION_NAME): Likewise.
648         (TEXT_SECTION_ASM_OP): Add a tab.
649         (DATA_SECTION_ASM_OP): Likewise.
650         (SECTION_FUNCTION): Add a tab.  Use fputs.  Don't call
651         data_section on every section change.
652         (EXTRA_SECTIONS): Add a bunch of new extra sections.
653         (EXTRA_SECTION_FUNCTIONS): Likewise.
654         (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
655         (JCR_SECTION_NAME): Define.
656         (TARGET_SECTION_TYPE_FLAGS): Don't define.
657         * config/darwin.c (darwin_encode_section_info): A symbol is defined
658         in this file if it is not weak.
659         (textcoal_section): Delete.
660         (datacoal_section): Delete.
661         (darwin_make_decl_one_only): Delete.
662         (machopic_select_section): Handle functions.
663         (darwin_asm_named_section): Add a tab.
664         (darwin_section_type_flags): Delete.
665         (darwin_unique_section): Delete contents.
666         (darwin_emit_unwind_label): Add a tab.  Make decls weak if
667         DECL_WEAK is set.
668         * config/darwin-protos.h (darwin_section_type_flags): Delete.
669         (darwin_make_decl_one_only): Delete.
670         (text_coal_section): New.
671         (text_unlikely_section): New.
672         (text_unlikely_coal_section): New.
673         (const_coal_section): New.
674         (data_coal_section): New.
675         (const_data_coal_section): New.
676         * varasm.c (function_section): Honour
677         USE_SELECT_SECTION_FOR_FUNCTIONS.
678         * dwarf2out.c (output_call_frame_info): Look at DECL_WEAK when
679         TARGET_USES_WEAK_UNWIND_INFO is in effect.
680         * dbxout.c (dbxout_source_file): Don't change sections while
681         a function is being output.
682
683 2004-10-25  David Ayers  <d.ayers@inode.at>
684
685         * c-common.h: Remove RID_ID.
686         * c-parse.in: Remove OBJECTNAME and references to RID_ID.
687         (typespec_reserved_attr): Add rule for TYPENAME
688         non_empty_protocolrefs.
689         (yylexname): Remove special handling of RID_ID.
690
691 2004-10-25  James E Wilson  <wilson@specifixinc.com>
692
693         * doc/invoke.texi (-fcrossjumping): Not enabled at -O.
694
695 2004-10-25  Joseph S. Myers  <jsm@polyomino.org.uk>
696
697         PR c/16667
698         * c-parse.in (array_designator): New.
699         (designator): Use it.
700         (initelt): Only permit array_designator without '=', not ".foo".
701
702 2004-10-25  Kenneth Zadeck <zadeck@naturalbridge.com>
703         * gcc/Makefile.in: removed ggc for cgraphunit.
704         * gcc/cgraph.c.dump_cgraph_node: removed static var analysis.
705         * gcc/cgraph.h: removed static var analysis data structures and calls.
706         * gcc/cgraphunit.c:
707         cgraph_mark_local_and_external_functions:changed name to
708                 cgraph_mark_local_functions
709         (print_order,convert_UIDs_in_bitmap,new_static_vars_info,
710         cgraph_reset_static_var_maps,get_global_static_vars_info,
711         get_global_statics_not_read,get_global_statics_not_written,searchc,
712         cgraph_reduced_inorder,has_proper_scope_for_analysis,check_rhs_var,
713         check_lhs_var,get_asm_expr_operands,process_call_for_static_vars,
714         scan_for_static_refs,cgraph_characterize_statics_local,
715         clear_static_vars_maps,cgraph_propagate_bits,cgraph_characterize_statics):
716         removed.
717         (cgraph_optimize,init_cgraph): removed calls to static vars analysis
718         * gcc/tree-dfa.c find_referenced_vars: removed call to static vars
719         analysis
720         * gcc/tree-flow.h static_vars_info: removed
721         * gcc/tree-ssa-operands.c (add_call_clobber_ops,add_call_read_ops):
722         removed calls to static vars analysis.
723         get_call_expr_operands: removed callee variable.
724
725 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
726
727         * cfg.c (unchecked_make_edge, redirect_edge_succ,
728         redirect_edge_pred): Use VEC_safe_push instead of
729         VEC_safe_insert.
730         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
731
732 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
733
734         * cfgloopmanip.c (loopify): Take two more arguments true_edge
735         and false_edge.
736         * cfgloop.h: Adjust the corresponding prototype.
737         * loop-unswitch.c (unswitch_loop): Adjust a call to loopify.
738         * tree-ssa-loop-manip.c (tree_ssa_loop_version): Likewise.
739
740 2004-10-25  Jakub Jelinek  <jakub@redhat.com>
741
742         * dwarf2out.c (rtl_for_decl_location): Avoid segfault if
743         DECL_INCOMING_RTL is NULL.
744
745 2004-10-25  Steven Bosscher  <stevenb@suse.de>
746
747         * timevar.def (TV_FIND_REFERENCED_VARS): New.
748         * tree-dfa.c (pass_referenced_var): Use it.
749
750 2004-10-25  Roger Sayle  <roger@eyesopen.com>
751             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
752
753         * cse.c: Change encoding of quantity numbers to avoid undefined
754         pointer arithmetic on qty_table.
755         (REGNO_QTY_VALID_P): A quantity is now valid if it isn't negative.
756         (get_cse_reg_info): Initialize reg_qty to a unique negative value.
757         (new_basic_block): Assign "real" quantity numbers from zero.
758         (delete_reg_equiv): Do nothing if quantity is invalid.  Reset the
759         REG_QTY to its unique negative value.
760         (merge_equiv_classes): Calculate need_rehash if quantity is valid.
761         (cse_main): Don't include max_reg when determining max_qty.
762         (cse_basic_block): Avoid subtracting a large offset from qty_table,
763         which causes undefined C99 behaviour.  Only allocate needed memory.
764
765 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
766
767         * stmt.c (expand_case): Remove an obsolete comment.
768
769 2004-10-25  Andrew Pinski  <pinskia@physics.uc.edu>
770
771         PR middle-end/17407
772         * c-decl.c (grokdeclarator) <case cdk_array>: Remove the call
773         layout_type as it is already done by build_array_type.
774         * tree.c (build_array_type): Layout the type even
775
776 2004-10-25  Alexandre Oliva  <aoliva@redhat.com>
777
778         * config/frv/linux.h (TARGET_C99_FUNCTIONS): Define to 0.
779
780 2004-10-25  Alexandre Oliva  <aoliva@redhat.com>
781
782         * config/frv/frv.md (movdi, movdf): Handle wide-constant splits
783         with wider-than-32-bit HOST_WIDE_INTs.
784
785 2004-10-25  David Billinghurst <David.Billinghurst@riotinto.com>
786
787         * config/mips/mips.c(mips_output_filename): Remove unused
788         array ltext_label_name
789
790 2004-10-24  Geoffrey Keating  <geoffk@geoffk.org>
791
792         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Define.
793
794 2004-10-25  Ben Elliston  <bje@au.ibm.com>
795
796         * cfgcleanup.c (outgoing_edges_match): Fix typo in dump output.
797
798 2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
799
800         * predict.c (predict_loops): Call scev_finalize instead of
801         scev_reset.
802
803 2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>
804
805         * config/dbxcoff.h, config/dbxelf.h, config/libgloss.h,
806         config/openbsd.h, config/mips/r3900.h, config/pdp11/pdp11.md,
807         config/sh/ushmedia.h, config/sparc/elf.h,
808         config/sparc/sp64-elf.h: Update copyright.
809
810 2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>
811
812         * stmt.c (expand_case): Handle the default label outside of
813         the for loop.  Remove code to handle a missing default label.
814
815 2004-10-23  Kazu Hirata  <kazu@cs.umass.edu>
816
817         * dbxout.c (dbxout_function_decl): Don't use
818         DBX_OUTPUT_FUNCTION_END.
819         * system.h: Poison DBX_OUTPUT_FUNCTION_END.
820         * doc/tm.texi (DBX_OUTPUT_FUNCTION_END): Remove.
821
822 2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
823
824         PR middle-end/17967
825         * tree-cfg.c (remove_usless_stmts_cond):  Don't Fold statement.
826
827 2004-10-23  Daniel Berlin  <dberlin@dberlin.org>
828
829         * tree-ssa-dom.c (record_equality): Use loop depth to determine
830         which way to record the equality as well.
831         (loop_depth_of_name): New function.
832
833 2004-10-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
834
835         PR middle-end/17793
836         * gimplify.c (gimplify_addr_expr) <VIEW_CONVERT_EXPR>: Look
837         through the operand if it is a useless type conversion.
838
839 2004-10-23  Ben Elliston  <bje@au.ibm.com>
840
841         * cfg.c (remove_edge): Use VEC_unordered_remove.
842         (redirect_edge_succ): Likewise.
843         (redirect_edge_pred): Likewise.
844         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
845
846 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
847
848         * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Don't access PTR
849         beyond its end.
850
851 2004-10-22  Eric Christopher  <echristo@redhat.com>
852
853         * config/rs6000/rs6000.c (setup_incoming_varargs): Align DFmode
854         saves.
855
856 2004-10-22  Aldy Hernandez  <aldyh@redhat.com>
857
858         * config/rs6000/spe.md (spe_extendsfdf2): New.
859         (movdf_e500_double): New.
860         (spe_truncdfsf2): New.
861         (spe_absdf2): New.
862         (spe_nabsdf2): New.
863         (spe_negdf2): New.
864         (sub_adddf3): New.
865         (spe_subdf3): New.
866         (spe_muldf3): New.
867         (spe_floatsidf2): New.
868         (spe_floatunssidf2): New.
869         (fix_truncdfsi2): New.
870         (spe_fixuns_truncdfsi2): New.
871
872         * config/rs6000/rs6000.md (truncdfsf2): Change to expander.
873         (fpr_truncdfsf2): New.
874         (negdf2): Change to expander.
875         (fpr_negdf2): New.
876         (fpr_nabsdf2): Name pattern.
877         (adddf3): Change to expander.
878         (fpr_adddf3): Nem.
879         (subdf3): Change to expander.
880         (fpr_subdf3): New.
881         (muldf3): Change to expander.
882         (fpr_muldf3): New.
883         (divdf3): Change to expander.
884         (fpr_divdf3): New.
885         (movdf_softfloat32): Change !TARGET_FPRS to TARGET_E500_SINGLE.
886         (cmpdf): Allow for TARGET_E500_DOUBLE.
887
888 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
889
890         * c-semantics.c (re_push_stmt_list): Remove.
891         * c-common.h: Remove the corresponding prototype.
892
893 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
894
895         * stmt.c (asm_op_is_mem_input): Remove.
896         * tree.h: Remove the corresponding prototype.
897
898 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
899
900         * tree-gimple.c (is_gimple_constructor_elt): Remove.
901         * tree-gimple.h: Remove the corresponding prototype.
902
903 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
904
905         * varasm.c (get_pool_mode_for_function, get_pool_offset):
906         Remove.
907         * rtl.h: Remove the corresponding prototypes.
908
909 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
910
911         * tree-cfg.c (thread_jumps_from_bb): Speed up by extracting
912         edge information when we commit ourselves to threading a
913         particular jump.
914
915 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
916
917         * tree-cfg.c (thread_jumps): Speed up by putting basic blocks
918         into worklist instead of their indexes.
919
920 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
921
922         * alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
923         final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
924         lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
925         pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
926         tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
927         tree-scalar-evolution.c, tree-ssa-dom.c,
928         tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
929         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
930         tree-vectorizer.c, vec.h: Fix comment formatting.
931
932 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
933
934         * dwarf.h, gthr-dce.h, gthr-single.h, gthr-solaris.h, gthr.h,
935         libfuncs.h, libgcc2.h, stab.def, tsystem.h: Update copyright.
936
937 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
938
939         * config/ptx4.h, config/mcore/mcore-pe.h,
940         config/rs6000/eabi.h, config/vax/elf.h: Update copyright.
941
942 2004-10-22  Peter Barada <peter@the-baradas.com>
943
944         * config/m68k/m68k.h (HARD_REGNO_RENAME_OK): New macro.
945         * config/m68k/m68k.c (m68k_hard regno_rename_ok): Disallow
946         renaming of non-live registers in interrupt functions.
947         * config/m68k/m68k-protos.h (m68k_hard_regno_rename_ok): Add prototype.
948
949 2004-10-22  Zdenek Dvorak  <dvorakz@suse.cz>
950
951         * tree-ssa-loop-niter.c (inverse): Count in HOST_WIDE_INT if possible.
952         Use integer for loop counter.
953         (num_ending_zeros): New function.
954         (number_of_iterations_cond): Use num_ending_zeros.
955
956 2004-10-21  Aldy Hernandez  <aldyh@redhat.com>
957
958         * config.gcc: Add support for --enable-e500_double.
959
960         * config/rs6000/e500-double.h: New file.
961
962         * config/rs6000/rs6000.h: Define TARGET_E500_SINGLE and
963         TARGET_E500_DOUBLE.
964
965         * config/rs6000/eabi.h: Define TARGET_E500_SINGLE and
966         TARGET_E500_DOUBLE.
967
968         * config/rs6000/linuxspe.h: Same.
969
970         * doc/invoke.texi (Option Summary): Document new options for
971         mfloat-gprs.
972         (RS/6000 and PowerPC Options): Same.
973
974         * config/rs6000/rs6000.c (rs6000_parse_float_gprs_option): New
975         function.
976         (rs6000_override_options): Use it.  Use
977         SUB3TARGET_OVERRIDE_OPTIONS.
978         Add 8548 to processor_target_table.
979         (rs6000_legitimate_address): Handle e500 doubles.
980         (rs6000_legitimize_address): Same.
981         (rs6000_legitimize_reload_address): Same.
982         (rs6000_hard_regno_nregs): Same.
983         (spe_func_has_64bit_regs_p): Same.
984         (emit_frame_save): Same.
985         (gen_frame_mem_offset): Same.
986         (rs6000_dwarf_register_span): Same.
987         (rs6000_generate_compare): Same.
988         (easy_fp_constant): Same.
989         (legitimate_offset_address_p): Same.
990
991         * config/rs6000/spe.md: (cmdfeq_gpr): New.
992         (tstdfeq_gpr): New.
993         (cmpdfgt_gpr): New.
994         (tstdfgt_gpr): New.
995         (tstdfgt_gpr): New.
996         (cmpdflt_gpr): New.
997         (tstdflt_gpr): New.
998         Add new constants.
999
1000 2004-10-21  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
1001
1002         * config/arc/lib1funcs.asm (___umulsidi3): Fix typo.
1003
1004 2004-10-21  Zack Weinberg  <zack@codesourcery.com>
1005
1006         * dbxout.c: Remove unnecessary #undefs.
1007         (GDB_INV_REF_REGPARM_STABS_LETTER, DBX_MEMPARM_STABS_LETTER)
1008         (FILE_NAME_JOINER, STABS_GCC_MARKER): Remove; fold sole
1009         definition into use sites.
1010         (cwd): Make local to dbxout_init.
1011         (dbxout_init): Restructure cwd-using logic for clarity.  Use
1012         IS_DIR_SEPARATOR.
1013         * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Definition of
1014         STABS_GCC_MARKER folded in here.
1015         * system.h: Poison now-unused macros.
1016         * doc/tm.texi: Remove documentation of now-unused macros.
1017
1018 2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1019
1020         PR c/17538
1021         * c-opts.c (push_command_line_include): Use the current file
1022         name instead of the main one.
1023
1024 2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
1025
1026         PR objc/17923
1027         * tree.c (staticp): A CONST_DECL has static storage if either
1028         TREE_STATIC or DECL_EXTERNAL is set.
1029         * c-decl.c (pushdecl_top_level): Accept CONST_DECLs which can
1030         have null names.
1031
1032 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1033
1034         * expr.c (store_expr): Remove dont_store_target.
1035
1036 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1037
1038         * tree-cfg.c (thread_jumps): Speed up by using a worklist.
1039
1040 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1041
1042         * tree-cfg.c (thread_jumps): Move a part of it to ...
1043         (thread_jumps_from_bb): ... here.
1044
1045 2004-10-21  David Edelsohn  <edelsohn@gnu.org>
1046
1047         * dbxout.c (DBX_FINISH_SYMBOL): Add asm_out_file argument.
1048         * xcoffout.h (DBX_FINISH_SYMBOL): Change asmfile to (ASMFILE).
1049
1050 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
1051
1052         * expr.c (store_expr): Clean up by renaming want_value to
1053         call_param_p.
1054
1055 2004-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1056
1057         * config/sh/linux-unwind.h (sh_fallback_frame_state): Don't
1058         fixup pc here.
1059
1060 2004-10-21  Aldy Hernandez  <aldyh@redhat.com>
1061
1062         PR 18004.
1063         * expmed.c (store_bit_field): Pass original 'value' before
1064         recursing.
1065
1066 2004-10-21  Nicolas Pitre <nico@cam.org>
1067
1068         * config/arm/ieee754-sf.S: Large speed improvements. Fix NAN handling.
1069         * config/arm/ieee754-df.S: Ditto.
1070
1071 2004-10-20  Zack Weinberg  <zack@codesourcery.com>
1072
1073         * dbxout.c (asmfile): Delete.  All uses changed to asm_out_file.
1074         (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_LINES_FUNCTION_RELATIVE):
1075         Default to 0.
1076         (dbxout_source_line): Use DBX_OUTPUT_SOURCE_LINE when defined.
1077         When it is not, but DBX_LINES_FUNCTION_RELATIVE is true, emit
1078         an internal label and an N_SLINE .stabn whose value is the
1079         difference between that label and the function entry label.
1080         (dbxout_finish): If DBX_OUTPUT_MAIN_SOURCE_FILE_END is not defined,
1081         but DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END is, emit a
1082         label and an N_SO stab with an empty string referring to it.
1083         (dbx_output_lbrac, dbx_output_rbrac): Use if statement instead
1084         of #ifdef directive to test DBX_BLOCKS_FUNCTION_RELATIVE.
1085         (dbxout_type_methods, dbxout_symbol): Remove #if 0 block.
1086         (dbxout_prepare_symbol): Remove #ifdef WINNING_GDB block, this
1087         macro is never defined.
1088         * sdbout.c (sdbout_source_line_counter): Delete.
1089         (PUT_SDB_SRC_FILE): Delete.  Uses replaced with sole definition.
1090         (sdbout_source_line): Use SDB_OUTPUT_SOURCE_LINE, which takes
1091         only two arguments.
1092         * xcoffout.c (ASM_OUTPUT_SOURCE_LINE): Rename ASM_OUTPUT_LINE.
1093
1094         * config/dbxcoff.h, config/dbxelf.h: Remove unncessary #undefs.
1095         * config/c4x/c4x.h, config/pa/pa.h: Remove unnecessary macro
1096         definitions (identical to default).
1097         * config/darwin.h, config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
1098         * config/h8300/coff.h, config/pa/som.h, config/sh/elf.h:
1099         Define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END, not
1100         DBX_OUTPUT_MAIN_SOURCE_FILE_END.
1101         * config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
1102         * config/mcore/mcore-pe.h, config/pa/som.h, config/sh/elf.h:
1103         Define DBX_LINES_FUNCTION_RELATIVE, not ASM_OUTPUT_SOURCE_LINE.
1104         * config/alpha/alpha-protos.h: Don't prototype alpha_output_lineno.
1105         * config/alpha/alpha.c: Move declaration of num_source_filenames up.
1106         (alpha_start_function): Use SDB_OUTPUT_SOURCE_LINE.
1107         (sym_lineno): Delete.
1108         (alpha_output_filename): Do not emit N_SOL stabs here.  Remove
1109         now-unused variable.
1110         (alpha_output_lineno): Delete.
1111         * config/mips/mips-protos.h: Don't prototype mips_output_lineno.
1112         * config/mips/mips.c (mips_output_filename): Don't use
1113         ASM_OUTPUT_FILENAME. Don't emit N_SOL stabs here.
1114         (mips_output_lineno): Delete.
1115         (mips_output_function_prologue: Use SDB_OUTPUT_SOURCE_LINE.
1116         * config/alpha/alpha.h: Define DBX_OUTPUT_SOURCE_LINE and
1117         SDB_OUTPUT_SOURCE_LINE, not ASM_OUTPUT_SOURCE_LINE.
1118         * config/mips/mips.h: Likewise.  Don't define ASM_OUTPUT_FILENAME.
1119         * config/mips/sdb.h: Use SDB_OUTPUT_SOURCE_LINE.
1120         * config/avr/avr.h: Don't define ASM_OUTPUT_SOURCE_LINE.
1121         * config/mmix/mmix.h: Likewise.
1122         * config/mmix/mmix.c (mmix_asm_output_source_line): Delete.
1123         * config/mmix/mmix-protos.h: Don't prototype it.
1124         * config/alpha/unicosmk.h: Also #undef PREFERRED_DEBUGGING_TYPE;
1125         no need to #undef ASM_OUTPUT_SOURCE_LINE.
1126         * config/arm/aout.h: Remove RISCiX-specific definition of
1127         DBX_OUTPUT_MAIN_SOURCE_FILENAME.
1128         * config/m32r/m32r.h: Define DBX_OUTPUT_SOURCE_LINE, not
1129         ASM_OUTPUT_SOURCE_LINE.
1130         * config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Rename to
1131         DBX_OUTPUT_SOURCE_LINE.  Don't use current_function_func_begin_label.
1132         * config/vax/elf.h: No need to define DBX_OUTPUT_FUNCTION_END.
1133
1134         * doc/tm.texi: Update.
1135
1136 2004-10-20  Richard Henderson  <rth@redhat.com>
1137
1138         * tree-sra.c (instantiate_element): Copy DECL_IGNORED_P also.
1139
1140 2004-10-20  Kelley Cook  <kcook@gcc.gnu.org>
1141
1142         * configure.ac: Revert my previous patch.
1143         * configure: Regenerate.
1144
1145 2004-10-20  Ben Elliston  <bje@au.ibm.com>
1146
1147         * config/rs6000/rs6000.c
1148         (rs6000_va_start): Use build_va_arg_indirect_ref.
1149         (rs6000_gimplify_va_arg): Likewise.
1150
1151 2004-10-20  Bryce McKinlay  <mckinlay@redhat.com>
1152
1153         PR java/15575
1154         * configure.ac: Declare AM_LANGINFO_CODESET.
1155         * aclocal.m4: Define AM_LANGINFO_CODESET.
1156         * configure, config.in: Rebuilt.
1157
1158 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
1159
1160         * expr.c (store_expr): Remove code that is run when
1161         want_value & 1 is nonzero.
1162
1163 2004-10-20  Mark Mitchell  <mark@codesourcery.com>
1164
1165         * gthr-posix.h (__gthread_active_p): Use __extension__ around cast
1166         from function pointer to void *.
1167
1168 2004-10-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1169
1170         PR target/18032
1171         * config/sh/sh.c (sh_expand_epilogue): Emit a blockage insn before
1172         the frame pointer adjustment when exception handling is enabled.
1173
1174 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
1175
1176         * stor-layout.c: Fix a comment typo.
1177
1178 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
1179
1180         * expr.c (store_field): Remove two arguments value_mode and
1181         unsignedp.
1182         (expand_assignment, store_constructor_field,
1183         expand_expr_real_1): Adjust calls to store_field.
1184
1185 2004-10-18  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>
1186
1187         * config/arc/lib1funcs.asm (___umulsidi3): Correct usage of flags.
1188
1189         PR target/17317
1190         * config/arc/arc.h (REGNO_OK_FOR_BASE_P,REGNO_OK_FOR_INDEX_P,
1191         REG_OK_FOR_BASE, REG_OK_FOR_INDEX): Consider blink(r31) as a valid
1192         base and index register for loads.
1193
1194         * config/arc/t-arc: Fix multilib handling.
1195
1196 2004-10-20  Hans-Peter Nilsson  <hp@bitrange.com>
1197
1198         * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
1199         don't inspect BLOCK_FOR_INSN for barriers.
1200         * emit-rtl.c (emit_barrier_before): Revert last change.
1201         (emit_barrier_after, emit_barrier): Ditto.
1202
1203         * doc/extend.texi (Extended Asm): Warn and provide example
1204         solution for using a call-clobbered asm register.
1205         (Local Reg Vars): Similar.  Cross-reference example.
1206
1207 2004-10-19  Andrew Pinski  <pinskia@physics.uc.edu>
1208
1209         * tree-cfg.c (group_case_labels): Look at the second to last
1210         case statement for combing with the default case.
1211
1212 2004-10-19  Richard Hendeson  <rth@redhat.com>
1213
1214         PR 17962
1215         * stor-layout.c (layout_type): Set TYPE_ALIGN for vectors.
1216
1217 2004-10-19  Richard Hendeson  <rth@redhat.com>
1218
1219         * builtins.c (expand_builtin_memmove): If fold_builtin_memmove
1220         succeeds, only expand the result.
1221
1222 2004-10-19  Richard Hendeson  <rth@redhat.com>
1223
1224         PR middle-end/17885
1225         * tree.c (recompute_tree_invarant_for_addr_expr): Always poll address
1226         of INDIRECT_REF.
1227
1228 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
1229
1230         * tree-cfg.c (thread_jumps): Use a do-while loop instead of a
1231         loop with goto.
1232
1233 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
1234
1235         * expr.c (expand_assignment): Remove the last argument.
1236         Change the return type to void.
1237         * expr.h: Update the prototype of expand_assignment.
1238         * function.c (assign_parm_setup_reg): Update a call to
1239         expand_assignment.
1240         * stmt.c (expand_asm_expr): Likewise.
1241
1242 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
1243
1244         * expr.c (expand_expr_real_1) <MODIFY_EXPR>: Remove
1245         unnecessary assignments to temp.  Return const0_rtx.
1246
1247 2004-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
1248
1249         * config/sh/sh.c (sh5_schedule_saves): Fix typo.
1250
1251 2004-10-18  Kelley Cook  <kcook@gcc.gnu.org>
1252
1253         * configure.ac (powerpc-*-darwin*): Require assembler to support
1254         .machine directive.
1255         * configure: Regenerate.
1256
1257 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1258
1259         * reload1.c (ior_hard_reg_set): Remove.
1260         (finish_spills): Use IOR_HARD_REG_SET instead of
1261         ior_hard_reg_set.
1262
1263 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1264
1265         * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Speed up by shifting
1266         the currently visited word to right.
1267
1268 2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1269
1270         PR middle-end/18045
1271         * expmed.c (expand_smod_pow2): Handle modes whose size
1272         is greater than that of HOST_WIDE_INT.
1273
1274 2004-10-18  Ziemowit Laski  <zlaski@apple.com>
1275
1276         * c-parse.in (reservedwords): Add OBJC_TYPE_QUAL as alternative.
1277
1278 2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1279             Roger Sayle  <roger@eyesopen.com>
1280
1281         PR middle-end/17813
1282         * dojump.c (discard_pending_stack_adjust): New function.
1283         (clear_pending_stack_adjust): Call it.
1284         * expr.h (discard_pending_stack_adjust): Declare it.
1285         * explow.c (emit_stack_save): Emit pending stack adjustments
1286         before saving the stack pointer.
1287         (emit_stack_restore): Discard pending stack adjustments before
1288         restoring the stack pointer.
1289
1290 2004-10-18  Richard Henderson  <rth@redhat.com>
1291
1292         * c-common.c (handle_mode_attribute): Allow scalar->vector
1293         type changes yet.
1294
1295 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1296
1297         * expr.c (expand_expr_real_1) [MODIFY_EXPR]: Don't request a
1298         value to expand_assignment.
1299
1300 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1301
1302         * tree-cfg.c (cleanup_tree_cfg): Don't iterate on
1303         thread_jumps.
1304         (thread_jumps): Iterate until no new forwarder block arises.
1305
1306 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1307
1308         * tree-cfg.c (tree_forwarder_block_p): Don't set forwardable.
1309         (thread_jumps): Use forwardable as cache of
1310         tree_forwarder_block_p throughout the function.
1311
1312 2004-10-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1313
1314         * cfg.c (dump_flow_info): Remove redundant dump of reg life info.
1315
1316 2004-10-18  Andrew Pinski  <pinskia@physics.uc.edu>
1317
1318         PR middle-end/15014
1319         PR middle-end/16973
1320         * tree-cfg.c (remove_bb): If we have a label expression in the
1321         basic block and the label we have taken the address, move the
1322         label expression to the basic block which is previous in the
1323         linked list.
1324         (tree_verify_flow_info): Fix printing out the label name of the
1325         problematic label expression.
1326
1327 2004-10-18  Pat Haugen  <pthaugen@us.ibm.com>
1328
1329         PR rtl-optimization/18002
1330         * simplify-rtx.c (mode_signbit_p): Externalize function...
1331         * rtl.h (mode_signbit_p): ... to here.
1332         * combine.c (simplify_shift_const): Recognize PLUS signbit as
1333         canonical form of XOR signbit and move to outer op.
1334
1335 2004-10-18  Diego Novillo  <dnovillo@redhat.com>
1336
1337         * tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
1338         Update all callers.
1339         * tree-ssa.c (replace_immediate_uses): Call bsi_for_stmt.
1340         Don't call fold_stmt more than once, use bsi_replace.
1341
1342 2004-10-18  Diego Novillo  <dnovillo@redhat.com>
1343
1344         PR tree-optimization/17656
1345         * tree-ssa.c (replace_immediate_uses): When replacing a
1346         constant, if the call to fold_stmt produced a different
1347         statement, get an appropriate statement pointer by scanning
1348         STMT's basic block.
1349
1350 2004-10-18  Richard Henderson  <rth@redhat.com>
1351
1352         * pointer-set.c (hash1): Don't use libm functions in fallback case.
1353
1354 2004-10-18  H.J. Lu  <hongjiu.lu@intel.com>
1355
1356         PR bootstrap/17684
1357         * Makefile.in (clean): Remove libgcc_s$(SHLIB_EXT).1.stage?.
1358         (stage1-start): Remove and copy libunwind.a and
1359         libunwind*$(SHLIB_EXT) instead of libunwind*.
1360         (stage2-start): Likewise.
1361         (stage3-start): Likewise.
1362         (stage4-start): Likewise.
1363         (stageprofile-start): Likewise.
1364         (stagefeedback-start): Likewise.
1365
1366         * config/alpha/t-osf4 (SHLIB_LINK): Use a temporary file for
1367         the shared library to be created and don't remove the existing
1368         shared library.
1369         * config/arm/t-netbsd (SHLIB_LINK): Likewise.
1370         * config/i386/t-nwld (SHLIB_LINK): Likewise.
1371         * config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
1372         * config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
1373         * config/sh/t-linux (SHLIB_LINK): Likewise.
1374         * config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
1375         * config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
1376         * config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
1377         * config/t-slibgcc-sld (SHLIB_LINK): Likewise.
1378
1379         * mklibgcc.in (libgcc-stage-start): Also move "*${objext}s"
1380         files.
1381
1382 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1383
1384         * basic-block.h (reg_set_iterator): New.
1385         (EXECUTE_IF_SET_IN_REG_SET): Make it iterator style.
1386         (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
1387         (EXECUTE_IF_AND_IN_REG_SET): Likewise.
1388         * caller-save.c (save_call_clobbered_regs): Adjust to the new
1389         style.
1390         * cfgcleanup.c (thread_jump): Likewise.
1391         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
1392         * conflict.c (conflict_graph_compute): Likewise.
1393         * flow.c (verify_local_live_at_start, update_life_info,
1394         initialize_uninitialized_subregs, propagate_one_insn,
1395         init_propagate_block_info, free_propagate_block_info,
1396         propagate_block, dump_regset): Likewise.
1397         * global.c (global_conflicts): Likewise.
1398         * graph.c (start_bb): Likewise.
1399         * local-alloc.c (update_equiv_regs): Likewise.
1400         * loop.c (load_mems): Likewise.
1401         * reload1.c (compute_use_by_pseudos, order_regs_for_reload,
1402         find_reg, finish_spills): Likewise.
1403         * resource.c (mark_target_live_regs): Likewise.
1404         * sched-deps.c (sched_analyze_insn): Likewise.
1405         * sched-rgn.c (sched-rgn.c): Likewise.
1406         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
1407
1408 2004-10-18  Jakub Jelinek  <jakub@redhat.com>
1409
1410         * config/i386/i386.md (addqi_1_slp): Test for incdec_operand
1411         operand 1 instead of 2
1412
1413 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
1414
1415         * loop-unroll.c: Fix comment typos.
1416
1417 2004-10-18  Revital Eres  <eres@il.ibm.com>
1418
1419         * Makefile.in (loop-unroll.o): Add VARRAY_H dependency.
1420         * loop-unroll.c: Include varray.h.
1421         (struct var_to_expand, struct opt_info): Rename split_ivs_info to
1422         opt_info and expand it to support variable expansion.
1423         (analyze_insns_in_loop): Rename analyze_ivs_to_split and
1424         expand it to support variable expansion.
1425         (pt_info_start_duplication): Rename si_info_start_duplication.
1426         (apply_opt_in_copies): Rename split_ivs_in_copies and add support
1427         to the variable expansion optimization.
1428         (free_opt_info): Rename free_si_info.
1429         (analyze_insn_to_expand_var, referenced_in_one_insn_in_loop_p,
1430         expand_var_during_unrolling, insert_var_expansion_initialization,
1431         combine_var_copies_in_loop_exit, release_var_copies,
1432         get_expansion): New functions.
1433         (peel_loop_completely, unroll_loop_constant_iterations,
1434         unroll_loop_runtime_iterations, peel_loop_simple,
1435         unroll_loop_stupid): Change uses of struct si_info
1436         to struct opt_info
1437         and add uses of fvariable-expansion-in-unroller flag.
1438         * params.def: Add parameter to restrict the number of expansions.
1439         * params.h: (MAX_VARIABLE_EXPANSIONS): New define to restrict
1440         the number of expansions.
1441         * common.opt: (fvariable-expansion-in-unroller): New flag.
1442         * doc/invoke.texi: (fvariable-expansion-in-unroller): Document.
1443
1444 2004-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
1445
1446         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1447         __GXX_MERGED_TYPEINFO_NAMES to 0.
1448
1449 2004-10-17  Hans-Peter Nilsson  <hp@bitrange.com>
1450
1451         * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
1452         handle barriers in a bb by checking that it points to a NULL bb.
1453         * emit-rtl.c (emit_barrier_before): Set BLOCK_FOR_INSN to NULL.
1454         (emit_barrier_after, emit_barrier): Ditto.
1455
1456 2004-10-18  Joseph S. Myers  <jsm@polyomino.org.uk>
1457
1458         * doc/extend.texi (Attribute Syntax): Clarify details of
1459         attributes on parameters.
1460
1461 2004-10-17  Zdenek Dvorak  <dvorakz@suse.cz>
1462
1463         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of
1464         loop.
1465
1466 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1467
1468         Revert:
1469         2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1470
1471         * c-typeck.c (default_function_array_conversion): Always create
1472         &a[0] for array types.
1473         (build_unary_op): Do not fold &a[x] into a + x.
1474
1475 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1476
1477         PR middle-end/17925
1478         * cfgexpand.c (expand_gimple_cond_expr): Emit line notes for next basic
1479         block if there is a goto with a locus.
1480
1481 2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>
1482
1483         * config/elfos.h, config/gofast.h, config/interix.h,
1484         config/netbsd.h, config/svr3.h, config/vxworks.h,
1485         config/alpha/alpha-modes.def, config/alpha/alpha-protos.h,
1486         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1487         config/alpha/netbsd.h, config/arm/arm-modes.def,
1488         config/arm/unknown-elf.h, config/c4x/c4x-modes.def,
1489         config/cris/aout.h, config/frv/frv-modes.def,
1490         config/i386/beos-elf.h, config/i386/gas.h,
1491         config/i386/i386-coff.h, config/i386/i386-modes.def,
1492         config/i386/linux.h, config/i386/linux64.h,
1493         config/i386/mingw32.h, config/i386/netbsd-elf.h,
1494         config/i386/netbsd64.h, config/i386/sco5.h,
1495         config/i386/sol2.h, config/i386/uwin.h, config/i860/i860.md,
1496         config/ia64/ia64-modes.def, config/ia64/itanium1.md,
1497         config/ia64/itanium2.md, config/m68k/m68k-modes.def,
1498         config/mips/mips-modes.def, config/mips/sdb.h,
1499         config/mips/vr.h, config/mips/vxworks.h,
1500         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
1501         config/pa/pa32-linux.h, config/rs6000/40x.md,
1502         config/rs6000/7450.md, config/rs6000/8540.md,
1503         config/rs6000/linuxspe.h, config/rs6000/power4.md,
1504         config/rs6000/rs6000-modes.def, config/rs6000/rtems.h,
1505         config/rs6000/spe.h, config/s390/2064.md, config/s390/linux.h,
1506         config/s390/s390-modes.def, config/sh/elf.h,
1507         config/sh/sh-modes.def, config/sh/sh64.h,
1508         config/sparc/ultra1_2.md, config/sparc/ultra3.md,
1509         config/stormy16/stormy16.md, config/v850/v850-protos.h,
1510         config/vax/vax.md: Update copyright.
1511
1512 2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>
1513
1514         * expr.c (expand_expr_real_1): Remove an obsolete comment.
1515
1516 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1517
1518         * c-typeck.c (default_function_array_conversion): Always create
1519         &a[0] for array types.
1520         (build_unary_op): Do not fold &a[x] into a + x.
1521
1522 2004-10-17  Jakub Jelinek  <jakub@redhat.com>
1523
1524         * pointer-set.c (hash1): Use integer part of 2^64 / phi
1525         instead 2^32 / phi if long is 64-bit.
1526
1527 2004-10-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1528
1529         * c-common.h (enum rid): Remove RID_PTRBASE, RID_PTREXTENT and
1530         RID_PTRVALUE.
1531         * c-parse.in (PTR_VALUE, PTR_BASE, PTR_EXTENT): Remove %token
1532         declarations.
1533         (reswords): Remove __ptrbase, __ptrbase__, __ptrextent,
1534         __ptrextent__, __ptrvalue and __ptrvalue__.
1535         (rid_to_yy): Remove RID_PTRBASE, RID_PTREXTENT and RID_PTRVALUE
1536         entries.
1537
1538 2004-10-16  Dale Johannesen  <dalej@apple.com>
1539
1540         * c-common.c (c_common_get_alias_set):  Use GGC for type_hash_table.
1541
1542 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1543
1544         PR tree-optimization/17766
1545         * basic-block.h (enum dom_state): DOM_CONS_OK removed.
1546         (dom_info_available_p): Declare.
1547         * cfghooks.c (split_block, make_forwarder_block): Use
1548         dom_info_available_p.
1549         * dominance.c (compute_dom_fast_query, calculate_dominance_info,
1550         free_dominance_info, verify_dominators): Ditto.
1551         (dom_info_available_p): New function.
1552         * tree-cfg.c (cleanup_control_expr_graph): Free dominance information.
1553         (thread_jumps): Use dom_info_available_p.
1554         * tree-complex.c (expand_complex_div_wide): Ditto.
1555         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1556
1557 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1558
1559         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field important_candidates.
1560         (find_best_candidate): Take also important candidates into account.
1561         (find_optimal_iv_set): Initialize important_candidates bitmap.
1562
1563 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1564
1565         PR tree-optimization/17560
1566         * predict.c (tree_estimate_probability): Mark irreducible
1567         loops.
1568
1569 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1570
1571         PR rtl-optimization/17723
1572         * cfgcleanup.c (merge_memattrs): Handle case when
1573         MEM_SIZE == NULL_RTX.
1574
1575 2004-10-15  Andrew Pinski  <pinskia@physics.uc.edu>
1576
1577         * toplev.c (dump_file_name): Change type to be const.
1578
1579 2004-10-15  Joseph S. Myers  <jsm@polyomino.org.uk>
1580
1581         * c-typeck.c (build_compound_expr, build_c_cast): Don't try to use
1582         non_lvalue to stop something being a null pointer constant.
1583
1584 2004-10-15  Aldy Hernandez  <aldyh@redhat.com>
1585
1586         * config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): FPRs are only
1587         available for TARGET_FPRS.
1588         (FUNCTION_VALUE_REGNO_P): Same.
1589
1590 2004-10-15  Geoffrey Keating  <geoffk@apple.com>
1591
1592         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1593         -maltivec in same style as other ISA options.
1594
1595 2004-10-15  Jon Grimm <jgrimm2@us.ibm.com>
1596
1597         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __powerpc__
1598         definition.
1599
1600 2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>
1601
1602         * bitmap.c, bitmap.h, builtin-attrs.def, cfglayout.h,
1603         collect2.h, conflict.c, coretypes.h, coverage.h, errors.h,
1604         gcc.h, gcov-dump.c, gen-protos.c, gencheck.c, gencodes.c,
1605         genconstants.c, gengenrtl.c, genmodes.c, genpeep.c,
1606         gensupport.h, graph.h, gthr-gnat.c, gthr-gnat.h, gthr-posix.c,
1607         gthr-posix.h, hard-reg-set.h, hwint.h, integrate.h, libgcc2.c,
1608         lists.c, machmode.def, mips-tdump.c, opts.h, params.c,
1609         predict.def, predict.h, protoize.c, reload.h, resource.h,
1610         rtl-error.c, sbitmap.c, sbitmap.h, sreal.c, tlink.c,
1611         tree-dump.h, tree-inline.h, unwind-dw2-fde.c, unwind-dw2.c,
1612         unwind-sjlj.c, value-prof.h: Update copyright.
1613
1614 2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>
1615
1616         * pointer-set.c, tree-vectorizer.c: Fix comment typos.
1617
1618 2004-10-15  Diego Novillo  <dnovillo@redhat.com>
1619
1620         * tree-optimize.c (execute_one_pass): Stop timer right after
1621         executing the pass.
1622
1623 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1624
1625         Revert:
1626         2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1627         PR middle-end/17967
1628         Revert:
1629                 * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
1630                 (remove_useless_stmts_1):  Fold trees we know how to fold.
1631
1632 2004-10-14  David Edelsohn  <edelsohn@gnu.org>
1633
1634         * configure.ac: Add .machine power4 directive when testing for
1635         mfcr field.
1636         * configure: Regenerate.
1637
1638 2004-10-14  Geoffrey Keating  <geoffk@apple.com>
1639
1640         * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Don't define.
1641
1642 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1643
1644         * tree-vectorizer.c (vect_transform_loop): Declare vectorization_factor
1645         always.
1646
1647 2004-10-14  Daniel Jacobowitz  <dan@codesourcery.com>
1648
1649         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Return NO_REGS
1650         for 'f' if !TARGET_FPRS.
1651
1652 2004-10-14  Richard Henderson  <rth@redhat.com>
1653
1654         PR debug/14492
1655         * dwarf2out.c (loc_descriptor_from_tree_1): Handle FIX_*_EXPR.
1656
1657 2004-10-14  Richard Henderson  <rth@redhat.com>
1658
1659         PR c/17023
1660         * c-decl.c (store_parm_decls_oldstyle): Care for parameter type
1661         as error_mark_node.
1662         * c-parse.in (compstmt_primary_start): Check cur_stmt_list non-null
1663         instaed of current_function_decl non-null.
1664
1665 2004-10-14  Matt Austern  <austern@apple.com>
1666
1667         * pointer-set.c: New file, special-purpose hash table.
1668         * pointer-set.h: New file.
1669         * tree.h (struct pointer_set_t): Declare as opaque type.
1670         (tree_walk): Last argument is pointer_set_t* now.
1671         * tree-inline.c (WALK_SUBTREE): Convert from htab to pset.
1672         (walk_type_fields):
1673         (walk_tree): Convert from htab_t to pointer_set_t for keeping
1674         track of which nodes have already been visited.
1675         (walk_tree_without_duplicates): Convert from htab_t to pointer_set_t.
1676         * cgraphunit.c (cgraph_create_edges): Likewise.
1677         (cgraph_characterize_statics_local): Likewise.
1678         * tree-dfa.c (collect_dfa_stats): Likewise.
1679         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Last arg is
1680         pointer_set_t* now.
1681         * langhooks.c (lhd_tree_inlining_walk_subtrees): Likewise.
1682         * langhooks.h (struct lang_hooks_for_tree_inlining): Last arg type
1683         of walk_subtrees is pointer_set_t* now.
1684         * Makefile.in (OBJS-common): add pointer-set.o
1685         (tree-inline.o): Depends on pointer-set.h
1686         (tree-dfa.o): Likewise
1687         (cgraphunit.o): Likewise
1688
1689 2004-10-14  Geoffrey Keating  <geoffk@apple.com>
1690
1691         * config/rs6000/darwin.h (ASM_SPEC): Delete.
1692         (TARGET_ASM_FILE_START): Define.
1693         * config/darwin.h (ASM_SPEC): Define.
1694         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Don't supply
1695         -mlong-double-128, it's the default.  Update comment about reason
1696         for force_cpusubtype_ALL.
1697         * config/rs6000/darwin-vecsave.asm: Supply .machine.
1698         * config/rs6000/darwin-world.asm: Likewise.
1699         * config/rs6000/rs6000.c (rs6000_darwin_file_start): New.
1700         (symbolic_operand): Delete #if 0ed code.
1701
1702 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1703
1704         * stmt.c (add_case_node): Make sure that we have integer
1705         constant before calling tree_int_cst_compare.
1706
1707 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1708
1709         PR middle-end/17967
1710         Revert:
1711                 * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
1712                 (remove_useless_stmts_1):  Fold trees we know how to fold.
1713
1714 2004-10-14  Joseph S. Myers  <joseph@codesourcery.com>
1715
1716         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS),
1717         config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow
1718         -m64.
1719
1720 2004-10-14  Ulrich Weigand  <uweigand@de.ibm.com>
1721
1722         * reload.c (find_reloads): When reloading a PLUS with constant
1723         operand, make sure the constant is pushed to the constant pool
1724         if required.
1725         * config/s390/s390.c (s390_secondary_input_reload_class): Remove
1726         reload bug workaround.
1727         (s390_expand_plus_operand): Likewise.
1728
1729 2004-10-14  David Edelsohn  <edelsohn@gnu.org>
1730
1731         * opts.c (common_handle_option): Do not enable
1732         flag_speculative_prefetching for -fprofile-generate/use.
1733
1734 2004-10-14  Devang Patel  <dpatel@apple.com>
1735
1736         PR 17635
1737         * tree-if-conv.c (process_phi_nodes): Process latch block.
1738         (combine_blocks): Process latch block and update loop structure.
1739
1740 2004-10-14  Olga Golovanevsky  <olga@il.ibm.com>
1741
1742         * tree-vectorizer.c (vect_generate_tmps_on_preheader):
1743         (vect_update_ivs_after_vectorizer):
1744         (vect_transform_for_unknown_loop_bound):
1745         (tree_duplicate_loop_to_edge):
1746         (allocate_new_names):
1747         (rename_use_op):
1748         (rename_def_op):
1749         (rename_variables_in_bb):
1750         (free_new_names):
1751         (rename_variables_in_loop):
1752         (copy_phi_nodes):
1753         (update_phis_for_duplicate_loop):
1754         (update_phi_nodes_for_guard):
1755         (make_loop_iterate_ntimes):
1756         (tree_duplicate_loop_to_edge_cfg):
1757         (add_loop_guard):
1758         (vect_analyze_loop_with_symbolic_num_of_iters):
1759         (verify_loop_for_duplication):
1760         (vect_gen_niters_for_prolog_loop):
1761         (vect_update_niters_after_peeling):
1762         (vect_update_inits_of_dr):
1763         (vect_update_inits_of_drs):
1764         (vect_build_loop_niters):
1765         (vect_do_peeling_for_alignment): New functions.
1766         (vect_transform_loop): Add unknown and known but indivisible loop
1767         bound support; add peeling for unalignment support.
1768         (vect_analyze_loop_form): Support symbolic number of iterations.
1769         (vect_transform_loop_bound): New input parameter.
1770         (vect_get_loop_niters): Change input parameter type.
1771         (new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
1772         (vectorizable_store): Allow unaligned access.
1773         (vectorize_loops): Add rewrite_into_loop_closed_ssa.
1774         (vect_analyze_data_refs_alignment): Allowed one unaligned
1775         store.
1776         * tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined
1777         to use tree.
1778         (LOOP_VINFO_INT_NITERS): New macro.
1779         (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): New define.
1780         (do_peeling_for_alignment):
1781         (unaligned_drs): New members of _loop_vec_info.
1782         (LOOP_DO_PEELING_FOR_ALIGNMENT): New macro.
1783
1784 2004-10-14  Ranjit Mathew  <rmathew@hotmail.com>
1785
1786         * tree.h (TREE_STRING_POINTER): Wrap in "const char *".
1787         (struct tree_string): Remove "const" qualifier for "str".
1788
1789 2004-10-14  Ira Rosen  <irar@il.ibm.com>
1790
1791         * tree-vectorizer.c (vect_analyze_data_refs): Call
1792         vect_get_base_and_bit_offset to get memory tag for array ref.
1793         (vect_create_addr_base_for_vector_ref): Remove redundant checks.
1794
1795 2004-10-14  Richard Earnshaw  <rearnsha@arm.com>
1796
1797         * configure.ac: Use $LN_S for creating symlinks (not $LN).
1798         * configure: Regenerate.
1799
1800 2004-10-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1801
1802         * doc/install.texi (*-*-solaris2*): Update with info about kernel
1803         patches to solve spurious testsuite failures.
1804
1805 2004-10-14  Dorit Naishlos  <dorit@il.bim.com>
1806
1807         * tree-vectorizer.c (get_vectype_for_scalar_type): Added debug prinouts.
1808         Added check that vectype is VECTOR_MODE_P, instead of check for BLKmode.
1809         (vect_analyze_operations): Make sure the vectorization factor > 1. Add
1810         gcc_assert under ENABLE_CHECKING.
1811         (vectorizable_operation): Remove check for VECTOR_MODE_P (moved to
1812         get_vectype_for_scalar_type).
1813
1814         (vect_get_vec_def_for_operand): Remove redundant variables.
1815         (vect_transform_loop): Likewise.
1816
1817 2004-10-14  Richard Sandiford  <rsandifo@redhat.com>
1818
1819         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Make r11 fixed and
1820         global for -mcaller-super-interworking.
1821         (CALLER_INTERWORKING_SLOT_SIZE): New macro.
1822         * config/arm/arm.c (thumb_compute_save_reg_mask): Save r11 if
1823         CALLER_INTERWORKING_SLOT_SIZE is nonzero and the function does
1824         not need a frame pointer.
1825         (arm_get_frame_offsets): Add CALLER_INTERWORKING_SLOT_SIZE bytes to
1826         the soft frame pointer offset.
1827         (thumb_expand_prologue): Set up r11 for -mcaller-super-interworking.
1828         * config/arm/arm.md (*call_reg_thumb, *call_value_reg_thumb): Use
1829         _interwork_{r7,r11}_call_via_rN if some arguments are passed on
1830         the stack.  Use frame_pointer_needed to choose between them.
1831         * config/arm/lib1funcs.asm (_arm_return_{r7,r11}): New functions.
1832         (interwork_with_frame): New macro.
1833         (interwork): Add _interwork_{r7,r11}_call_via_rN().
1834
1835 2004-10-14  Ben Elliston  <bje@au.ibm.com>
1836
1837         PR other/17900
1838         * diagnostic.c (trim_filename): Fix logic bug in walking backwards
1839         up the filename looking for a previous directory separator.
1840
1841 2004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>
1842
1843         * c-tree.h (enum c_typespec_kind, struct c_typespec,
1844         parser_xref_tag): New.
1845         (struct c_declspecs): Add tag_defined_p.  Adjust definition of
1846         typedef_p.
1847         (declspecs_add_type): Adjust prototypes.
1848         * c-parse.in (%union): Add tstype.
1849         (typespec_nonattr, typespec_attr, typespec_reserved_nonattr,
1850         typespec_reserved_attr, typespec_nonreserved_nonattr,
1851         structsp_attr, structsp_nonattr): Change to tstype.  Update
1852         actions.
1853         * c-decl.c (build_null_declspecs): Initialize tag_defined_p.
1854         (declspecs_add_type): Update to take struct c_typespec argument.
1855         Set tag_defined_p and typedef_p as appropriate.
1856         (xref_tag): Rename to parser_xref_tag and replace by wrapper.
1857         Update to return struct c_typespec.
1858         (shadow_tag_warned): Don't let empty declarations with qualifiers
1859         or storage class specifiers redeclare a tag if a previous
1860         declaration is visible.
1861
1862 2004-10-13  Richard Henderson  <rth@redhat.com>
1863
1864         PR debug/15860
1865         * dwarf2out.c (rtl_for_decl_location): Apply big-endian correction
1866         for DECL_INCOMING_RTL.
1867
1868 2004-10-14  Hans-Peter Nilsson  <hp@axis.com>
1869
1870         PR target/17984
1871         * config/cris/cris.md (asrandb, asrandw, lsrandb, lsrandw): Apply
1872         trunc_int_for_mode for constants used in shortened mode.
1873
1874 2004-10-13  Richard Henderson  <rth@redhat.com>
1875
1876         PR c/17384
1877         * c-common.c (handle_mode_attribute): Disallow mode changes that
1878         alter the CODE of the top-level type.
1879
1880         * crtstuff.c (__FRAME_END__): Remove mode attribute.  Find 32-bit
1881         integer from internal limits macros.
1882         * config/i386/mm3dnow.h (__v2sf): Fix base type.
1883
1884 2004-10-13  Richard Henderson  <rth@redhat.com>
1885
1886         PR debug/13841
1887         * function.c (instantiate_decl): Recurse for CONCAT.
1888
1889 2004-10-13  David Edelsohn  <edelsohn@gnu.org>
1890
1891         * config/rs6000/rs6000.md (andsi3): Add attribute "compare" for
1892         andi./andis.
1893         (anddi3): Same.
1894         (extzvdi_internal1): Add attribute "compare".
1895         (extzvdi_internal2): Same.
1896
1897 2004-10-12  Tom Tromey  <tromey@redhat.com>
1898
1899         * doc/md.texi (Insn Canonicalizations): Removed extraneous quote.
1900
1901 2004-10-13  Dale Johannesen  <dalej@apple.com>
1902
1903         * doc/extend.texi (Extended Asm):  Rewrite asm volatile description.
1904
1905 2004-10-13  Frank Ch. Eigler  <fche@redhat.com>
1906
1907         * toplev.c (compile_file): Call mudflap_finish_file from here ...
1908         * c-decl.c (c_write_global_declarations): ... instead of here ...
1909         * cp/decl.c (cp_finish_file): ... and here.
1910         * tree-mudflap.c (mudflap_enqueue_decl): Reword a warning message.
1911
1912 2004-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
1913
1914         * tree-ssa-dom.c (record_range): Free the element if we are not
1915         going to use it.
1916
1917 2004-10-13  Tom Tromey  <tromey@redhat.com>
1918
1919         PR java/15578:
1920         * gcc.c (option_map): Added --extdirs and --encoding.
1921
1922 2004-10-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1923
1924         PR target/14454
1925         * config/sparc/sparc.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Set to
1926         sparc_can_output_mi_thunk.
1927         (sparc_output_mi_thunk): Simplify handling of delta offset.  Add
1928         handling of vcall offset.
1929         (sparc_can_output_mi_thunk): New predicate.
1930         * doc/tm.texi (TARGET_ASM_OUTPUT_MI_THUNK): Document VCALL_OFFSET.
1931         (TARGET_ASM_OUTPUT_MI_VCALL_THUNK): Delete.
1932         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): New target hook.
1933
1934         * config/sparc/sparc.c (emit_and_preserve): Preserve stack alignment.
1935
1936         * config/sparc/sparc.md (movdi): Remove redundant test.
1937
1938 2004-10-13  Paolo Bonzini  <bonzini@gnu.org>
1939
1940         * tree-dump.c (dump_options): Remove TDF_TREE, TDF_RTL,
1941         TDF_IPA from -fdump-tree-*-all.
1942
1943 2004-10-13  Paul Brook  <paul@codesourcery.com>
1944
1945         * config/arm/arm-protos.h (arm_load_pic_register): Update prototype.
1946         * config/arm/arm.c (thumb_find_work_register): Update comments.
1947         (arm_load_pic_register): Add argument for scratch register.
1948         (arm_expand_prologue, thumb_expand_prologue): Pass extra argument.
1949         * config/arm/arm.md (builtin_setjmp_receiver): Ditto.
1950
1951 2004-10-13  Kazu Hirata  <kazu@cs.umass.edu>
1952
1953         * tree-data-ref.c: Fix comment typos.
1954
1955 2004-10-13  Jakub Jelinek  <jakub@redhat.com>
1956             Zdenek Dvorak  <dvorakz@suse.cz>
1957
1958         PR tree-optimization/17724
1959         * tree-cfg.c (tree_purge_dead_eh_edges): Free dominance info.
1960
1961 2004-10-13  Dorit Naishlos  <dorit@il.ibm.com>
1962
1963         * rs6000.c (altivec_builtin_mask_for_load): Made static GTY(()).
1964         (altivec_builtin_mask_for_store): Likewise.
1965         (altivec_init_builtins): Use lang_hooks.builtin_function to
1966         create the decls for builtin_altivec_mask_for_load/store.
1967
1968 2004-10-13  Nick Clifton  <nickc@redhat.com>
1969
1970         * config/c4x/c4x.c: Remove inclusion of loop.h.
1971
1972 2004-10-12  Ben Elliston  <bje@au.ibm.com>
1973
1974         * basic-block.h (edge_iterator): Keep the address of VEC(edge) *.
1975         (ei_container): New; renamed.
1976         (ei_start, ei_last): New macros.
1977         (ei_start_1, ei_last_1): Renamed from ei_start.
1978         (ei_last_1, ei_end_p): Use ei_container() where applicable.
1979         (ei_one_before_end_p, ei_next, ei_edge): Likewise.
1980         * gcse.c (remove_reachable_equiv_notes): Use ei_container().
1981
1982 2004-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
1983
1984         * Makefile.in (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
1985         * cfgloop.c (initialize_loops_parallel_p): New.
1986         (flow_loops_find): Initialize the parallel_p field to true for all
1987         the loops.
1988         * tree-ssa-loop-niter.c: Include "tree-data-ref.h".
1989         (estimate_numbers_of_iterations_loop): Infers the loop bounds from
1990         the size of the data accessed in the loop.
1991         (struct nb_iter_bound): Moved...
1992         * cfgloop.h (struct nb_iter_bound): ... here.
1993         (estimated_nb_iterations, parallel_p): New fields in struct loop.
1994         (record_estimate): Declare extern here.
1995         * tree-chrec.c: Fix comments.
1996         (nb_vars_in_chrec): New function.
1997         * tree-chrec.h (nb_vars_in_chrec): Declared here.
1998         * tree-data-ref.c: Don't include lambda.h, that is already included
1999         in tree-data-ref.h.
2000         (tree_fold_divides_p): Don't check for integer_onep.
2001         (tree_fold_bezout): Removed.
2002         (gcd): New static duplicated function.
2003         (int_divides_p, dump_subscript): New.
2004         (dump_data_dependence_relation): Use dump_subscript.
2005         (dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations,
2006         estimate_niter_from_size_of_data): New.
2007         (analyze_array_indexes, analyze_array): Call
2008         estimate_niter_from_size_of_data during the detection of array
2009         references.  Pass in a pointer to the statement that contains the
2010         array reference.
2011         (all_chrecs_equal_p): New.
2012         (compute_distance_vector): Renamed compute_subscript_distance.
2013         Deal with multivariate conflict functions.
2014         (initialize_data_dependence_relation): Initialize DDR_AFFINE_P,
2015         DDR_SIZE_VECT, DDR_DIST_VECT, and DDR_DIR_VECT.
2016         (non_affine_dependence_relation): New.
2017         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2018         analyze_siv_subscript, analyze_miv_subscript,
2019         analyze_overlapping_iterations, subscript_dependence_tester):
2020         Initialize and return last_conflicts function.
2021         (initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
2022         compute_overlap_steps_for_affine_1_2): New.
2023         (analyze_siv_subscript_affine_cst): Removed.
2024         (analyze_subscript_affine_affine): Disprove dependences based on the
2025         iteration domains.  Solve the univariate dependence case as before,
2026         but use lambda_matrix_right_hermite instead of tree_fold_bezout.
2027         Implement the multivariate case of 2 versus 1 variables.
2028         (build_classic_dist_vector, build_classic_dir_vector): Implement some
2029         unhandled cases.
2030         (find_data_references_in_loop): Compute and initialize
2031         loop->estimated_nb_iterations and loop->parallel_p.
2032         (analyze_all_data_dependences): Modify the debug dump order.
2033         * tree-data-ref.h (SUB_LAST_CONFLICT_IN_A, SUB_LAST_CONFLICT_IN_B,
2034         subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
2035         (SUB_LAST_CONFLICT, subscript->last_conflict,
2036         data_dependence_relation->affine_p, data_dependence_relation->size_vect,
2037         DDR_AFFINE_P, DDR_SIZE_VECT): New.
2038         (find_data_references_in_loop, initialize_data_dependence_relation,
2039         dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.
2040
2041 2004-10-12  Kelley Cook  <kcook@gcc.gnu.org>
2042
2043         * configure: Regenerate.
2044
2045 2004-10-12  Fariborz Jahanian <fjahanian@apple.com>
2046
2047         PR 17892
2048         * tree-ssa-dom.c (unsafe_associative_fp_binop): New function.
2049         (simplify_rhs_and_lookup_avail_expr): Disallow associativity
2050         and constant folding of floating point MULT_EXPR/PLUS_EXPR
2051         expressions.
2052
2053 2004-10-12  Ulrich Weigand  <uweigand@de.ibm.com>
2054
2055         * config/s390/s390.c (s390_va_start): Use build_va_arg_indirect_ref.
2056         (s390_gimplify_va_arg): Likewise.
2057
2058 2004-10-12  Daniel Jacobowitz  <dan@debian.org>
2059
2060         * defaults.h (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P)
2061         (MODE_BASE_REG_REG_CLASS, REGNO_MODE_OK_FOR_REG_BASE_P)
2062         (REG_MODE_OK_FOR_REG_BASE_P): Provide default definitions.
2063         * regclass.c (record_address_regs): Remove ifdef.  Use
2064         REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
2065         * regrename.c (REG_MODE_OK_FOR_BASE_P): Remove unnecessary
2066         definition.
2067         (scan_rtx_address, replace_oldest_value_addr): Use
2068         REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
2069         * reload.c (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Remove
2070         unnecessary definitions.
2071         (find_reloads_address_1): Support REG_MODE_OK_FOR_REG_BASE_P
2072         and MODE_BASE_REG_REG_CLASS.
2073         * config/arm/arm.h (MODE_BASE_REG_CLASS): Don't check reload_completed.
2074         (MODE_BASE_REG_REG_CLASS): Define.
2075         (REGNO_MODE_OK_FOR_REG_BASE_P): Define.
2076         (REG_MODE_OK_FOR_REG_BASE_P): Define.
2077         * doc/tm.texi (Register Classes): Document MODE_BASE_REG_REG_CLASS,
2078         REG_MODE_OK_FOR_REG_BASE_P, and REGNO_MODE_OK_FOR_REG_BASE_P.
2079
2080 2004-10-12  Daniel Berlin <dberlin@dberlin.org>
2081
2082         * tree-ssa-alias.c (verify_name_tags): New function.
2083         (verify_flow_sensitive_alias_info): Remove code that used to check name tags.
2084         (verify_alias_info): Call verify_name_tags.
2085
2086 2004-10-12  Kazu Hirata  <kazu@cs.umass.edu>
2087
2088         PR rtl-optimization/17931
2089         * config/i386/i386.c (ix86_rtx_costs): Handle COMPARE with
2090         ZERO_EXTRACT in it.
2091
2092 2004-10-12  Richard Earnshaw  <rearnsha@arm.com>
2093
2094         * arm.c (arm_print_operand): Use output_operand_lossage where possible
2095         rather than aborting.
2096
2097 2004-10-12  Paul Brook  <paul@coudesourcery.com>
2098
2099         * config.gcc: Add armv6{k,z,zk}
2100         * config/arm/arm-cores.def: Add arm1176 and mpcore.
2101         * config/arm/tune.md: Regenerate.
2102         * config/arm/arm.c (FL_FOR_ARCH6K, FL_FOR_ARCH6Z, FL_FOR_ARCH6ZK):
2103         Define.
2104         (all_architectures): Add armv6k, armv6z, armv6zk.
2105         * config/arm/lib1funcs.asm: Recognise new arm arcitectures.
2106         * doc/invoke.texi: Document new arch and cpu values.
2107
2108 2004-10-12  Paul Brook  <paul@coodesourcery.com>
2109
2110         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Change meabi=3 to
2111         meabi=4.
2112
2113 2004-10-12  Paul Brook  <paul@codesourcery.com>
2114
2115         * config/arm/arm.md (addsi3_cbranch_scratch): Correct constraints.
2116         Handle negative constants.
2117
2118 2004-10-12  Joseph S. Myers  <jsm@polyomino.org.uk>
2119
2120         PR c/17301
2121         * c-typeck.c (convert_arguments): Return error_mark_node if there
2122         are too few arguments.
2123         (build_function_call): Handle error_mark_node return from
2124         convert_arguments.
2125
2126 2004-10-06  Paolo Bonzini  <bonzini@gnu.org>
2127
2128         * configure.ac (symbolic_link): Replace with $LN_S.
2129         (Assembler/Linker): Hard link from gas and binutils trees.
2130         * aclocal.m4 (gcc_AC_PROG_LN_S): Try "cp -p" before cp.
2131         * configure: Regenerate.
2132
2133 2004-10-12  Paul Brook  <paul@codesourcery.com>
2134
2135         * configure.ac: Don't look for host assembler when building a canadian
2136         cross.
2137         * configure: Regenerate.
2138
2139 2004-10-11  Roger Sayle  <roger@eyesopen.com>
2140
2141         PR other/17361
2142         * c-opts.c (permit_fortran_options): Delete/obsolete global variable.
2143         (c_common_init_options): Remove #ifdef CL_F77 code.  Scan command
2144         line options for "-lang-asm" and if found allow any of the C-family
2145         front-end options.
2146         (c_common_handle_option): Remove last use of permit_fortran_options.
2147
2148 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
2149
2150         * config/s390/s390.c (print_operand): Support 'S' format flag.
2151         * config/s390/s390.md ("*tmqi_mem"): Use 'S' format flag.
2152         ("*tstsi", "*tstsi_cconly", "*tstsi_cconly2"): Likewise.
2153         ("*tsthiCCT", "*tsthiCCT_cconly", "*tsthi", "*tsthi_cconly"): Likewise.
2154         ("*tstqiCCT", "*tstqiCCT_cconly", "*tstqi", "*tstqi_cconly"): Likewise.
2155         ("*cmphi_ccu", "*cmpqi_ccu", "*clc"): Likewise
2156         ("movti", "*movdi_31", "*movqi", "*movdf_31", "*mvc"): Likewise.
2157         ("*movstricthi"): Likewise.
2158         ("*load_multiple_di", "*load_multiple_si"): Likewise.
2159         ("*store_multiple_di", "*store_multiple_si"): Likewise.
2160         ("*sethiqisi", "*sethihisi"): Likewise.
2161         ("*sethiqidi_64", "*sethiqidi_31"): Likewise.
2162         ("*andqi3_zarch", "*andqi3_esa", "*nc"): Likewise.
2163         ("*iorqi3_zarch", "*iorqi3_esa", "*oc"): Likewise.
2164         ("*xorqi3", "*xc", "*xc_zero"): Likewise.
2165         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Likewise.
2166
2167         ("*tmhi_full"): Fix incorrect op_type attribute.
2168
2169         ("*adddi3_alc_cc", "*adddi3_alc"): Remove double backslash.
2170         ("*subdi3_slb_cc", "*subdi3_slb"): Likewise.
2171         ("*addsi3_alc_cc", "*addsi3_alc"): Likewise.
2172         ("*subsi3_slb_cc", "*subsi3_slb"): Likewise.
2173
2174 2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu
2175
2176         PR middle-end/16266
2177         * function.c (temp_slots_at_level): Fix typo which creates too
2178         many temp stack slots levels.
2179
2180 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
2181
2182         * config/s390/s390.c (s390_trampoline_template): Generate shorter
2183         trampoline code.
2184         (s390_trampoline_instantiate): Adapt.
2185         * config/s390/s390.h (TRAMPOLINE_SIZE): Adapt to new code.
2186
2187 2004-10-11  Roger Sayle  <roger@eyesopen.com>
2188
2189         PR middle-end/17657
2190         * stmt.c (add_case_node): Add additional type argument.  Declare
2191         as static to match prototype.  Convert the upper and lower bounds
2192         to the specified index type.  Optimize away case ranges/values
2193         that are outside the index type's bounds.  Truncate case ranges
2194         that span the index type's bounds.
2195         (expand_case): Avoid unnessary computation and memory allocation
2196         when index type is error_mark_node.  Pass index_type as required
2197         by change to add_case_node API.  No need to convert case range
2198         bounds to index_type, this is now done by add_case_node.
2199
2200 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
2201
2202         * config/s390/s390-protos.h (s390_offset_p): Add prototype.
2203         * config/s390/s390.c (s390_offset_p): New function.
2204         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccu",
2205         "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use splitter to
2206         transform Q->Q alternatives to *clc pattern.
2207         ("*clc"): Move.
2208         ("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
2209         "*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf"): Use splitter
2210         to transform Q->Q alternatives to *mvc pattern.
2211         ("*mvc"): Move.  Add peephole to merge adjacent MVCs.
2212         ("*anddi3", "*andsi3_zarch", "*andsi3_esa", "*andhi3_zarch",
2213         "*andhi3_esa", "*andqi3_zarch", "*andqi3_esa"): Use splitter to
2214         transform Q->Q alternatives to *nc pattern.
2215         ("*nc"): New insn.  New peephole to merge adjacent NCs.
2216         ("*iordi3", "*iorsi3_zarch", "*iorsi3_esa", "*iorhi3_zarch",
2217         "*iorhi3_esa", "*iorqi3_zarch", "*iorqi3_esa"): Use splitter to
2218         transform Q->Q alternatives to *oc pattern.
2219         ("*oc"): New insn.  New peephole to merge adjacent OCs.
2220         ("*xordi3", "*xorsi3", "*xorhi3", "*xorqi3"): Use splitter to
2221         transform Q->Q alternatives to *xc pattern.
2222         ("*xc"): New insn.  New peephole to merge adjacent XCs.
2223         ("*xc_zero"): Move.  Add peephole to merge adjacent XCs.
2224
2225 2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
2226
2227         * gimplify.c (gimple_push_condition): Make sure that we don't
2228         have any saved condition cleanup if we were at the top level.
2229
2230 2004-10-11  Richard Sandiford  <rsandifo@redhat.com>
2231
2232         * config/frv/frv.md (*adddi3_internal): Change name to...
2233         (adddi3): ...replacing the exisiting define_expand.  Combine
2234         alternatives.  Fix the range of the constant constraints ('J' instead
2235         of 'NOP').  Remove bogus operands[2] check.  Use simplify_gen_subreg
2236         to extract the lower and upper halves of the DImode operands.
2237         Always use addi3_lower and adddi3_upper, not the subdi3 forms.
2238         (adddi3_lower): Fix the range of the constant constraints and
2239         remove the bogus operands[2] check.
2240         (adddi3_upper): Use gpr_or_int10_operand as the predicate for
2241         operand 2.  Use addxi to handle constant operands.
2242         (subdi3_lower, subdi3_upper): Don't handle constant operands.
2243
2244 2004-10-11  Nathan Sidwell  <nathan@codesourcery.com>
2245
2246         * gengtype-lex.l: Add commented } & ) characters to unconfuse
2247         editor's paren matching. Allow #define inside a struct.
2248
2249 2004-10-10  Andrew Pinski  <pinskia@physics.uc.edu>
2250
2251         PR middle-end/17703
2252         part of PR c++/17657
2253         * fold-const.c (fold_build_cleanup_point_expr): New function.
2254         * tree.h (fold_build_cleanup_point_expr): Prototype.
2255
2256 2004-10-10  Eric Christopher  <echristo@redhat.com>
2257
2258         * dwarf2out.c: Move attribute to subprogram declaration
2259         instead of subroutine type.
2260
2261 2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>
2262
2263         * basic-block.h: Remove the prototypes for can_hoist_insn_p,
2264         hoist_insn_after, and hoist_insn_to_edge.
2265         * rtl.h: Remove the prototypes for reg_referenced_between_p,
2266         no_jumps_between_p, and insn_dependent_p.
2267         * rtlanal.c (no_jumps_between_p, reg_referenced_between_p,
2268         insn_dependent_p, insn_dependent_p_1, hoist_test_store,
2269         can_hoist_insn_p, hoist_update_store, hoist_insn_after,
2270         hoist_insn_to_edge): Remove.
2271
2272 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
2273
2274         PR c/17881
2275         * c-decl.c (grokparms): Don't warn for parameters of incomplete
2276         type in declarations that are not definitions except for the case
2277         of parameters of void type.
2278
2279 2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>
2280
2281         * tree-cfg.c: Fix comment typos.
2282
2283 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
2284
2285         PR c/17301
2286         * builtins.c (expand_builtin_va_start): Check for too few
2287         arguments to va_start.
2288
2289 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
2290
2291         PR c/17189
2292         * c-decl.c (grokfield): Make diagnostic for bad cases of unnamed
2293         fields a pedwarn.  Pedwarn here for unnamed structs/unions if
2294         pedantic.
2295         * c-parse.in (component_decl): Don't pedwarn here for unnamed
2296         fields.
2297
2298 2004-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
2299
2300         PR tree-optimization/17906
2301         * tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to
2302         copy non-gimple reg arguments.
2303
2304 2004-10-09  Roger Sayle  <roger@eyesopen.com>
2305
2306         PR rtl-optimization/17853
2307         * simplify-rtx.c (simplify_relational_operation): Correct comment.
2308         Reorganize handling of comparison operations with floating point
2309         results (always return 0.0 even without FLOAT_STORE_FLAG_VALUE).
2310         Likewise, introduce support for comparison operations with vector
2311         result types, introducing a new VECTOR_STORE_FLAG_VALUE target macro.
2312
2313         * doc/rtl.texi: Document new VECTOR_STORE_FLAG_VALUE target macro.
2314         * doc/tm.texi: Likewise.
2315
2316 2004-10-09  Steven Bosscher  <stevenb@suse.de>
2317
2318         * regs.h (struct reg_info_def): Remove the last_node_uid and
2319         changes_mode fields.
2320         (REGNO_LAST_NOTE_UID): Don't define.
2321         * regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
2322         * regmove.c (copy_src_to_dest): Likewise.
2323
2324 2004-10-09  Roger Sayle  <roger@eyesopen.com>
2325
2326         PR middle-end/17894
2327         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2, the
2328         relational comparison operator op needs to be swapped/reversed when
2329         C1 is negative.  i.e. X/-10 < 1 becomes X >= -9, not X < -9.
2330
2331 2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2332
2333         PR tree-opt/17902
2334         * tree-ssa-phiopt.c (conditional_replacement): Use bsi_after_labels
2335         instead of bsi_start.
2336         (value_replacement): Likewise.
2337         (abs_replacement): Likewise
2338
2339 2004-10-09  Steven Bosscher  <stevenb@suse.de>
2340
2341         * cfgexpand.c (maybe_dump_rtl_for_tree_stmt): New function.
2342         (expand_gimple_cond_expr, expand_gimple_tailcall,
2343         expand_gimple_basic_block): Use it to dump RTL for each stmt.
2344         (tree_expand_cfg): Announce full RTL function dump.
2345         * tree-optimize.c (execute_one_pass): Use normal RTL printing,
2346         not the graph version.
2347         * tree-pretty-print.c (dump_generic_node): Allow empty statements
2348         in the arms of a COND_EXPR for lowered nodes.
2349
2350 2004-10-08  Joseph S. Myers  <joseph@codesourcery.com>
2351
2352         * config/rs6000/spe.h (atosfix16, atosfix32, atosfix64, atoufix16,
2353         atoufix32, atoufix64, strtosfix16, strtosfix32, strtosfix64,
2354         strtoufix16, strtoufix32, strtoufix64): Declare.
2355
2356 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2357
2358         * c-lex.c (interpret_float): Give a pedwarn rather than a warning
2359         for an out-of-range floating point constant.
2360         * builtins.c (fold_builtin_inf): Give a pedwarn rather than a
2361         warning if the target format does not support infinities.
2362
2363 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2364
2365         * emit-rtl.c (last_label_num, base_label_num): Remove.
2366         (max_label_num): Always return label_num.
2367         (set_new_last_label_num, restore_emit_status): Remove.
2368         (init_emit): Don't initialize last_label_num.
2369         * function.c (pop_function_context_from): Don't call
2370         restore_emit_status.
2371         * function.h: Remove the prototype for restore_emit_status.
2372         * rtl.h: Remove the prototype for set_new_last_label_num.
2373
2374 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2375
2376         * stmt.c (expand_decl_init): Remove.
2377         * tree.h: Remove the corresponding prototype.
2378
2379 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2380
2381         * integrate.c (try_constants, subst_constants, mark_stores):
2382         Remove.
2383         * integrate.h: Remove the prototype for try_constants.
2384
2385 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2386
2387         * c-typeck.c (enum impl_conv): Add ic_argpass_nonproto.
2388         (convert_for_assignment): Handle ic_argpass_nonproto.  Add
2389         comments about its relevance to errors.
2390         (c_convert_parm_for_inlining): Use ic_argpass_nonproto.
2391
2392 2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
2393
2394         PR c/16999
2395         * c-ppoutput.c (cb_ident): Don't quote string as it is already
2396         quoted.
2397
2398 2004-10-08  Diego Novillo  <dnovillo@redhat.com>
2399
2400         * tree-ssa-pre.c (init_pre): Use size of ARRAY_REF to allocate
2401         reference_node_pool.
2402
2403 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2404
2405         * tree-cfg.c: Fix a comment typo.
2406
2407 2004-10-08  Andreas Krebbel  <krebbel1@de.ibm.com>
2408
2409         * config/s390/s390.c (s390_register_info): Don't save fprs for
2410         -msoft-float.
2411         (s390_conditional_register_usage): Make fprs 'fixed' for -msoft-float.
2412
2413 2004-10-08  Ulrich Weigand  <uweigand@de.ibm.com>
2414
2415         * config/s390/s390.h (TARGET_DEFAULT_BACKCHAIN): New define.
2416         (TARGET_DEFAULT): Use symbolic values.
2417         * config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Redefine.
2418         (TARGET_DEFAULT): Use symbolic values.
2419         * config/s390/s390.c (s390_backchain_string): Initialize to
2420         TARGET_DEFAULT_BACKCHAIN.
2421
2422 2004-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2423
2424         * builtins.c (expand_builtin_mempcpy): Move tree handling code to
2425         fold_builtin_mempcpy.  Accept a type parameter.  Delete duplicate
2426         code.
2427         (expand_builtin_strcat): Accept a type parameter.
2428         (fold_builtin_mempcpy): Accept a type and endp parameter.
2429
2430         * builtins.c (expand_builtin_strncpy): Delete duplicate code.
2431         Accept an `exp' instead of an `arglist'.
2432
2433 2004-10-08  Nathan Sidwell  <nathan@codesourcery.com>
2434
2435         * tree-tailcall.c (tree_optimize_tail_calls_1): Use fold_convert,
2436         reverting my 2004-09-07 patch to use build_int_cst.
2437
2438 2004-10-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2439
2440         PR target/17245
2441         * config/sparc/sparc.c (input_operand): Remove redundant code
2442         for handling LO_SUM.
2443         (legitimate_address_p) <REG+REG>: Do not recheck TARGET_V9.
2444         <LO_SUM>: If LO_SUM is offsettable, accept it for TFmode on V9.
2445         Otherwise only accept it for TFmode if quad move insns are available.
2446
2447 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2448
2449         * tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
2450         common cases will be caught earlier than others.
2451
2452 2004-10-08  Michael Matz  <matz@suse.de>
2453
2454         * loop-doloop.c (doloop_optimize): Extend count.
2455
2456 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2457
2458         * config/sh/sh.md (prefetch_media, prefetch_i4): New insns.
2459         (prefetch): Convert to expander.
2460
2461 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2462
2463         * config/sh/sh.md (tls_global_dynamic): Use MEM pattern for the
2464         first argument of CALL.
2465         (tls_local_dynamic): Likewise.
2466
2467 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2468
2469         * c-typeck.c (enum impl_conv): New.
2470         (convert_for_assignment): Use it.  Take tree for function called
2471         instead of its name.  Handle ObjC selectors for diagnostics at
2472         start of function.  Select diagnostic text within the function
2473         using full sentences for diagnsotics.  Use %qE to name functions
2474         in diagnostics.
2475         (convert_arguments, build_modify_expr,
2476         c_convert_parm_for_inlining, digest_init, c_finish_return): Update
2477         callers to convert_for_assignment.
2478         (warn_for_assignment): Remove.
2479
2480 2004-10-08  Nick Clifton  <nickc@redhat.com>
2481
2482         * config/sh/symbian.c (symbian_possibly_export_base_class):
2483         Replace use of deleted TYPE_USES_VIRTUAL_BASECLASSES macro with
2484         TYPE_CONTAINS_VPTR_P.
2485
2486 2004-10-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2487
2488         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Don't exclude
2489         fixed registers form all_used_regs. Update call_really_used_regs.
2490         (CALL_REALLY_USED_REGISTERS): Define.
2491         * config/m32r/m32r.c (MUST_SAVE_REGISTER): Replace call_used_regs
2492         with call_really_used_regs.
2493
2494 2004-10-08  Alan Modra  <amodra@bigpond.net.au>
2495
2496         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Choose gcrt1.o
2497         for -profile as well as -p and -pg.
2498
2499 2004-10-07  Andrew Pinski  <pinskia@physics.uc.edu>
2500
2501         * libgcc2.c (__moddi3): Cast &w to UDWtype*.
2502
2503 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2504
2505         * tree-cfg.c (tree_block_forwards_to): Remove.
2506         * tree-flow.h: Remove the corresponding prototype.
2507
2508 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2509
2510         * tree-flow-inline.h (phi_nodes): Remove an unnecessary check
2511         for ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.
2512
2513 2004-10-07  Geoffrey Keating  <geoffk@apple.com>
2514
2515         Radar 3813796
2516         * config/rs6000/rs6000.c (rs6000_generate_compare): When
2517         flag_trapping_math is in effect, don't generate subtract
2518         instructions.
2519
2520 2004-10-07  Ulrich Weigand  <uweigand@de.ibm.com>
2521
2522         * config/s390/s390-protos.h (s390_narrow_logical_operator): Add.
2523         * config/s390/s390.c (s390_narrow_logical_operator): New function.
2524         (s390_extra_constraint_str): Add 'A' constraints.
2525         (s390_const_ok_for_constraint_p): Add 'Nx' constraints.
2526         * config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
2527         (CONSTRAINT_LEN): Likewise.
2528         * config/s390/s390.md ("*anddi3"): Add NI alternative and splitter.
2529         ("*andsi3_zarch", "*andsi3_esa"): Likewise.
2530         ("*andhi3_zarch", "*andhi3_esa"): Likewise.
2531         ("*iordi3"): Add OI alternative and splitter.
2532         ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
2533         ("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
2534         ("*xordi3"): Add XI alternative and splitter.
2535         ("*xorsi3", "*xorhi3"): Likewise.
2536
2537 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2538
2539         * config/mips/mips.c (mips_function_rodata_section): New function.
2540         (TARGET_ASM_FUNCTION_RODATA_SECTION): Use it.
2541
2542 2004-10-07  Devang Patel  <dpatel@apple.com>
2543
2544         * rs6000/altivec.md (UNSPEC_VCMPBFP, UNSPEC_VCMPEQUB, UNSPEC_VCMPEQUH,
2545         UNSPEC_VCMPEQUW, UNSPEC_VCMPGEFP, UNSPEC_VCMPGTUB, UNSPEC_VCMPGTSB,
2546         UNSPEC_VCMPGTUH, UNSPEC_VCMPGTSH, UNSPEC_VCMPGTUW, UNSPEC_VCMPGTSW,
2547         UNSPEC_VCMPGTFP, UNSPEC_VSEL4SI, UNSPEC_VSEL4SF, UNSPEC_VSEL8HI,
2548         UNSPEC_VSEL16QI, UNSPEC_VCOND_V4SI, UNSPEC_VCOND_V4SF, UNSPEC_VCOND_V8HI,
2549         UNSPEC_VCOND_V16QI, UNSPEC_VCONDU_V4SI, UNSPEC_VCONDU_V8HI,
2550         UNSPEC_VCONDU_V16QI): New constant defines.
2551         (vcondv4si, vcondv4sf, vcondv8hi, vcondv16qi, vconduv4si, vconduv8hi,
2552         vconduv16qi): New patterns.
2553         * rs6000/rs6000-protos.h (rs6000_emit_vector_cond_expr): New function.
2554         * rs6000/rs6000.c (rs6000_emit_vector_cond_expr): New function.
2555         (get_vec_cmp_insn): Same.
2556         (get_vsel_insn): Same.
2557         (rs6000_emit_vector_compare): Same.
2558         (rs6000_emit_vector_select): Same.
2559         (INSN_NOT_AVAILABLE): New.
2560
2561 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
2562
2563         PR tree-optimization/17749
2564         * tree-tailcall.c (find_tail_calls): Check that parameter is
2565         a gimple_reg.
2566
2567 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2568
2569         * config/ia64/ia64.c: Fix a comment typo.
2570
2571 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2572
2573         * doc/install.texi (*-*-solaris2*): Fix marker for URL.
2574
2575 2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2576
2577         PR c++/17115
2578         * tree-inline.c (expand_call_inline): Do not warn for functions
2579         marked with attribute noinline.
2580
2581 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2582
2583         PR target/17862
2584         * config/sparc/sparc.c (sparc_output_mi_thunk): Set
2585         current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.
2586
2587         * config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
2588         of 0 as 4th argument to pass_by_reference.
2589         Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.
2590
2591 2004-10-06  Eric Christopher  <echristo@redhat.com>
2592
2593         * config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf
2594         attribute.
2595
2596 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2597
2598         PR target/17770
2599         * config/mips/mips.md (mov_<load>l): Remove hazard=none attribute.
2600
2601 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
2602
2603         PR rtl-optimization/17791
2604         * loop-doloop.c (doloop_modify): Take number of iterations as
2605         argument.
2606         (doloop_optimize): Extend or shorten the number of iterations
2607         when changing mode of counter register.
2608         * loop-iv.c (lowpart_subreg): Export.
2609         * rtl.h (lowpart_subreg): Declare.
2610
2611 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
2612
2613         PR tree-optimization/17806
2614         * cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
2615         * cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
2616         flags moved to split_edge.
2617
2618 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2619
2620         PR middle-end/17835
2621         * expmed.c (expand_sdiv_pow2): Force a stack adjustment
2622         before tentatively building the conditional move sequence.
2623
2624 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2625
2626         PR target/16815
2627         * function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
2628         check.
2629         * config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of
2630         function_arg_padding.
2631
2632 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2633
2634         PR bootstrap/17857
2635         * Makefile.in (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.
2636
2637 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2638
2639         * hooks.c (hook_int_void_1, hook_void_int): Remove.
2640         * hooks.h: Remove the corresponding prototypes.
2641
2642 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2643
2644         PR middle-end/17849
2645         * tree-nested.c (walk_stmt_info): Add changed field.
2646         (convert_nonlocal_reference): Set changed to when we
2647         change a decl to unnested decl.
2648         <case ADDR_EXPR>: Instead of checking if the immediate part
2649         of the ADDR_EXPR changed, check the field changed.
2650         Use recompute_tree_invarant_for_addr_expr instead of unsetting
2651         TREE_INVARIANT.
2652         (convert_local_reference):  Set changed to when we
2653         change a decl to unnested decl.
2654         <case ADDR_EXPR>: Instead of checking if the immediate part
2655         of the ADDR_EXPR changed, check the field changed.
2656         Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.
2657
2658 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
2659
2660         * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
2661         * dwarf2out.c (dwarf2out_init): Remove references to
2662         DWARF2_GENERATE_TEXT_SECTION_LABEL.
2663         * system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
2664         * doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
2665
2666 2004-10-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2667
2668         * c-typeck.c (convert_arguments): Take expression for called
2669         function rather than its name.  Handle ObjC selectors directly
2670         rather than relying on warn_for_assignment to do so.  Call warning
2671         directly rather than warn_for_assignment.  Use %qE in diagnostics.
2672         Say "argument" rather than "arg" in diagnostics.
2673         (build_function_call): Update call to convert_arguments.
2674
2675 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2676
2677         PR debug/17787
2678         * dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
2679         ENUMs specially instead of just saying we do.
2680
2681 2004-10-06  Eric Christopher  <echristo@redhat.com>
2682
2683         * dwarf2.h: Sync with include/elf/dwarf2.h
2684
2685 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
2686
2687         * tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
2688         and TREE_VEC nodes.
2689
2690 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
2691
2692         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
2693         to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.
2694
2695 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
2696
2697         * lambda-code.c (compute_nest_using_fourier_motzkin): New
2698         function.
2699         (lambda_compute_auxillary_space): Split from here.
2700
2701 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
2702
2703         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
2704         * tree-flow.h: Add prototype.
2705         * lambda-code.c (invariant_in_loop_and_outer_loops): Use
2706         expr_invariant_in_loop.
2707
2708 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
2709
2710         * tree-cfg.c (thread_jumps): Remove a duplicate check for
2711         EXIT_BLOCK_PTR.
2712
2713 2004-10-06  Ulrich Weigand  <uweigand@de.ibm.com>
2714
2715         * config/s390/s390-protos.h (s_imm_operand): Remove.
2716         (s390_pool_operand): Add prototype.
2717         * config/s390/s390.c (general_s_operand): Remove.
2718         (s_imm_operand): Remove.
2719         (s_operand): Merge contents of general_s_operand.
2720         (s390_pool_operand): New function.
2721         * config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
2722         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
2723         ("*cmpdi_ccu"): Merge Q->Q alternative.
2724         ("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
2725         ("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
2726         ("*cli"): Remove.
2727         ("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
2728         ("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
2729         ("*movstricthi"): Use memory_operand instead of s_imm_operand.
2730
2731 2004-10-06  Steve Ellcey  <sje@cup.hp.com>
2732
2733         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
2734         call ia64_function_arg_boundary.
2735         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
2736         * config/ia64/ia64.c (ia64_function_arg_boundary): New.
2737         (ia64_function_arg_advance): Do not put 128 bit floats into
2738         FP registers.
2739
2740 2004-10-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2741
2742         * builtins.c (expand_builtin_strcpy): Delete duplicate code.
2743         Accept an expression instead of an arglist.
2744         (expand_builtin_stpcpy): Accept an expression instead of an
2745         arglist.
2746
2747 2004-10-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2748
2749         PR target/16007
2750         * doc/install.texi (*-*-solaris2*): Mention potential problem
2751         with Sun assembler + GNU linker and C++ programs.
2752         Document status of binutils 2.15 release.
2753
2754 2004-10-06  Jan Hubicka  <jh@suse.cz>
2755
2756         * cse.c (cse_main): Kill push/pop context.
2757
2758 2004-10-05  Zack Weinberg  <zack@codesourcery.com>
2759
2760         * pretty-print.c: Include tree.h.
2761         (pp_base_prepare_to_format): New function, logic from
2762         text_specifies_location.
2763         (pp_base_format_text): Use gcc_assert.
2764         * pretty-print.h (pp_prepare_to_format): New macro.
2765         (pp_base_prepare_to_format): Prototype.
2766         * diagnostic.c (text_specifies_location): Delete.
2767         (bug_report_request): Delete.
2768         (diagnostic_set_info): Don't call text_specifies_location.
2769         (diagnostic_action_after_output): Put text from
2770         bug_report_request inline here.  Use gcc_unreachable.
2771         (diagnostic_report_current_function): Fix comment.
2772         (diagnostic_report_diagnostic): Clarify logic for error recursion.
2773         Call pp_prepare_to_format before diagnostic_starter.
2774         (trim_filename): Use IS_DIR_SEPARATOR.
2775         (fatal_error, internal_error): Use gcc_unreachable.
2776         (error_recursion): Call diagnostic_action_after_output to
2777         issue the bug_report_request message and exit.
2778         * Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.
2779
2780         * c-parse.in: Add list of diagnostic messages to insulate
2781         translation template from version of yacc/bison used to
2782         compile the grammar.
2783
2784 2004-10-06  Alan Modra  <amodra@bigpond.net.au>
2785
2786         PR 16406
2787         * doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.
2788
2789 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2790
2791         * basic-block.h: Remove the prototype for
2792         flow_preorder_transversal_compute.
2793         * cfganal.c (dfst_node): Remove.
2794         (flow_preorder_transversal_compute): Likewise.
2795         * rtl.h: Remove the prototype for get_jump_table_offset.
2796         * rtlanal.c (get_jump_table_offset): Remove.
2797
2798 2004-10-05  Richard Henderson  <rth@redhat.com>
2799
2800         PR 17756
2801         * tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.
2802
2803 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
2804
2805         PR bootstrap/17817
2806         * Makefile.in: Stage the build directory too.
2807
2808 2004-10-05  Aldy Hernandez  <aldyh@redhat.com>
2809
2810         * config/frv/frv.h (LEGITIMIZE_ADDRESS): New.
2811
2812         * config/frv/frv-protos.h (frv_legitimize_address): Protoize.
2813         (frv_emit_move): Same.
2814
2815         * config/frv/frv.c (frv_emit_move): New.
2816         (frv_legitimize_address): New.
2817
2818         * config/frv/frv.md ("movsi"): Call frv_emit_move.
2819         ("movqi"): Same.
2820         ("movhi"): Same.
2821         ("movdi"): Same.
2822         ("movsf"): Same.
2823         ("movdf"): Same.
2824
2825 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2826
2827         * c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
2828         system headers.
2829
2830 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2831
2832         * c-decl.c (pushdecl): When an extern declaration at block scope
2833         refers to a visible entity with internal linkage, use the old DECL
2834         rather than the new one.
2835
2836 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2837
2838         * tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in
2839         comments.
2840
2841 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2842
2843         * tree-cfg.c (thread_jumps): Remove a duplicate check for
2844         an infinite loop.
2845
2846 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2847
2848         * tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
2849         of FOR_BB_BETWEEN.  Remove a useless check for unreachable
2850         blocks.
2851
2852 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2853
2854         * tree-cfg.c (cleanup_tree_cfg): Don't call
2855         delete_unreachable_blosk() after thread_jumps().
2856         (thread_jumps): Always remove basic blocks as they become
2857         unreachable.
2858
2859 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2860
2861         * tree-cfg.c (cleanup_tree_cfg): Remove variable
2862         something_changed.  Simplify the while loop.
2863
2864 2004-10-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2865
2866         * builtins.c (expand_builtin_memmove): Delete duplicate code
2867         and accept a tree type for the result.
2868         (expand_builtin_bcopy): Accept a tree type for the result.
2869         (fold_builtin_memmove): Accept an arglist and tree type for
2870         the result.
2871
2872 2004-10-05  Ulrich Weigand  <uweigand@de.ibm.com>
2873
2874         * config/s390/s390.c (s390_dump_pool): Remove return value.
2875         Use gen_pool_align, gen_pool_section_start/end instead of
2876         gen_pool_start/end_31/64.
2877         * config/s390/s390.md (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
2878         (UNSPECV_POOL_SECTION, UNSPECV_POOL_ALIGN): New constants.
2879         ("pool_start_31", "pool_end_31"): Remove.
2880         ("pool_start_64", "pool_end_64"): Likewise.
2881         ("pool_align", "pool_section_start", "pool_section_end": New insns.
2882
2883         * config/s390/s390.c (s390_cannot_copy_insn_p): New function.
2884         (TARGET_CANNOT_COPY_INSN_P): Define.
2885         (s390_cannot_force_const_mem): Handle UNSPEC_INSN.
2886         (struct constant_pool): New member 'execute'.
2887         (s390_add_execute, s390_find_execute): New functions.
2888         (s390_execute_label, s390_execute_target): Likewise.
2889         (s390_dump_pool): Output in-pool execute target templates.
2890         (s390_dump_execute): New function.
2891         (s390_alloc_pool, s390_free_pool): Handle execute templates.
2892         (s390_mainpool_start, s390_mainpool_finish): Likewise.
2893         (s390_chunkify_start, s390_chunkify_finish): Likewise.
2894         * config/s390/s390.md (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
2895         ("*execute"): New insn pattern.
2896         ("movmem_short", "*movmem_short"): Use splitters to generate
2897         explicit execute pattern, remove embedded execute.
2898         ("clrmem_short", "*clrmem_short"): Likewise.
2899         ("cmpmem_short", "*cmpmem_short"): Likewise.
2900
2901 2004-10-05  Daniel Berlin  <dberlin@dberlin.org>
2902
2903         * tree-ssa.c (verify_ssa): Verify phi arguments only
2904         contain renamed names.
2905
2906 2004-10-05  Alan Modra  <amodra@bigpond.net.au>
2907
2908         * config/rs6000/linux.h: Formatting, whitespace.
2909         * config/rs6000/linux64.h: Likewise.
2910         * config/rs6000/rs6000-protos.h: Likewise.
2911         * config/rs6000/rs6000.c: Likewise.
2912         (easy_vector_splat_const): Add fall thru comments.
2913         (output_vec_const_move): Likewise.
2914
2915 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
2916
2917         * Makefile.in: Update -Wno-error exceptions for move to build dir.
2918
2919 2004-10-05  Chao-Ying Fu  <fu@mips.com>
2920             Richard Sandiford  <rsandifo@redhat.com>
2921
2922         * doc/invoke.texi (-mpaired-single): Link to the new description of the
2923         built-in functions.  Document dependencies.
2924         (-mips3d): Add link here too.
2925         * doc/extend.texi (MIPS Paired-Single Support): New section.
2926
2927 2004-10-04  Chao-ying Fu  <fu@mips.com>
2928
2929         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Define.
2930
2931 2004-10-04  Diego Novillo  <dnovillo@redhat.com>
2932
2933         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
2934         Initialize OPT_STATS to 0.
2935
2936 2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>
2937
2938         * tree-data-ref.c: Fix comment typos.
2939
2940 2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>
2941
2942         * tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
2943         the predicate cannot be computed, don't initialize the result to
2944         false.
2945
2946 2004-10-01  Eric Christopher  <echristo@redhat.com>
2947
2948         * dwarf2.h (dwarf_calling_convention): Add GNU prefix to
2949         locally defined enum.
2950         * dwarf2out.c (add_calling_convention_attribute): Don't
2951         emit DW_CC_normal.
2952
2953 2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
2954
2955         PR c/17178, PR c/17820
2956         * c-decl.c (pop_scope): Do not warn about unused static
2957         variables as they warned in the middle-end.
2958
2959 2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2960
2961         * builtins.c (expand_builtin_memcpy): Delete duplicate code
2962         and make the first parameter the expression not the arglist.
2963
2964 2004-10-03  Ulrich Weigand  <uweigand@de.ibm.com>
2965
2966         * expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
2967         as valid modes to expand address expressions.
2968
2969 2004-10-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2970
2971         * c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
2972         c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,
2973         c-parse.in, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
2974         code formatting conventions.
2975
2976 2004-10-03  Richard Sandiford  <rsandifo@redhat.com>
2977
2978         * config/mips/mips.md (<u>mulsidi3_32bit_r4000): Fix unsigned case.
2979
2980 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
2981
2982         PR tree-optimization/16632
2983         * fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
2984         fold (A & C) == D into 0, fold ~C.  Similarly, for the case
2985         where | is used instead of &.
2986
2987 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
2988
2989         * ginclude/stddef.h: Fix a comment typo.
2990
2991 2004-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2992
2993         PR target/17443
2994         * config.gcc (i?86-*-solaris2*): Restore correct logic
2995         for --enable-threads option.
2996         (sparc64-*-solaris2*): Likewise.
2997         (sparc-*-solaris2*): Likewise.
2998
2999 2004-10-03  Alan Modra  <amodra@bigpond.net.au>
3000
3001         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
3002         (OS_MISSING_POWERPC64): Move, and comment.
3003         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
3004         (OS_MISSING_POWERPC64): Move, and comment.
3005
3006 2004-10-02  Ian Lance Taylor  <ian@wasabisystems.com>
3007
3008         * arm.c (output_call_mem): Add missing \t.
3009
3010 2004-10-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3011
3012         * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
3013         expand_builtin_strncmp): Delete duplicate code.
3014
3015 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
3016
3017         * tree-mudflap.c (mf_build_check_statement_for): Reorganize to
3018         take check-base and -limit arguments.
3019         (mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
3020         check ranges for ARRAY_REF and COMPONENT_REF.
3021         (execute_mudflap_fnction_ops, ..._decls): Limit unnecessary
3022         instrumentation.
3023
3024 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
3025
3026         * c-objc-common.c (c_tree_printer): Correct description of %E.
3027         Don't fall through after printing an expression.
3028
3029 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
3030
3031         * tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.
3032
3033 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
3034
3035         * tree-cfg.c (cleanup_tree_cfg): Speed up by calling
3036         delete_unrechable_blocks() only when necessary.
3037
3038 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
3039
3040         * gthr-tpf.h (__gthread_recursive_mutex_t): New type.
3041         (__GTHREAD_RECURSIVE_MUTEX_INIT): Define.
3042         (__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
3043         __gthread_recursive_mutex_unlock): New functions.
3044
3045 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
3046
3047         * config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
3048         * config/s390/tpf-eh.c: Remove file.
3049         * config/s390/tpf-unwind.h: New file.
3050         * config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.
3051         (MD_UNWIND_SUPPORT): Define.
3052
3053 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
3054
3055         * c-typeck.c (warn_for_assignment): Don't permit argnum == 0.
3056
3057 2004-10-01  Ulrich Weigand  <uweigand@de.ibm.com>
3058
3059         * config/s390/s390-protos.h (s390_comparison): Add prototype.
3060         * config/s390/s390.c (s390_comparison): New function.
3061         (s390_branch_condition_mask): Return -1 for invalid comparisons.
3062         (s390_branch_condition_mnemonic): Assert valid comparison.
3063         * config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
3064         * config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
3065         "*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
3066         s390_comparison instead of comparison_operator.
3067
3068         * config/s390/s390.md (UNSPEC_CMPINT): New constant.
3069         ("cmpmemdi"): Remove.
3070         ("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
3071         ("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
3072         ("cmpint_si"): Rename to ...
3073         ("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
3074         ("cmpint_di", "*cmpint_di"): Likewise.
3075         * config/s390/s390.c (s390_canonicalize_comparison): Remove
3076         redundant UNSPEC_CMPINT conversions.
3077         (s390_expand_cmpmem): Adapt to cmpint pattern changes.
3078
3079 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
3080
3081         * collect2.c (COLLECT_PARSE_FLAG): Remove.
3082         (main): Remove a reference to COLLECT_PARSE_FLAG
3083         * system.h: Poison COLLECT_PARSE_FLAG.
3084         * doc/tm.texi (COLLECT_PARSE_FLAG): Remove.
3085
3086 2004-10-01  Paul Brook  <paul@codesourcery.com>
3087
3088         * config/arm/crti.asm: Give _init and _fini function type.
3089
3090 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
3091
3092         * common.opt (ftree-loop-ivcanon): Enable by default.
3093         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3094         Enable complete loop unrolling.
3095         (canonicalize_induction_variables, tree_unroll_loops_completely):
3096         Reset scev info.
3097
3098 2004-10-01  Paul Brook  <paul@codesourcery.com>
3099
3100         * config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
3101         not register number.
3102         (thumb_find_work_register): Search full register range.
3103
3104 2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
3105
3106         PR tree-opt/17343
3107         * tree-cfg.c (group_case_labels): Get the label and not
3108         the case expr for the default case.
3109         When the label we looking at is the default, decrement the
3110         new_size.
3111
3112 2004-10-01  Jan Hubicka  <jh@suse.cz>
3113
3114         * c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
3115         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3116         * toplev.h (tree_rest_of_compilation): Update prototype.
3117         * tree-optimize.c (tree_rest_of_compilation):  Kill nested_p argument.
3118
3119 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
3120
3121         * tree-cfg.c (cleanup_tree_cfg): Pull a call to
3122         cleanup_control_flow() out of the while loop.
3123
3124 2004-10-01  Paolo Bonzini  <bonzini@gnu.org>
3125
3126         * tree-vectorizer.c (vectorizable_operation): Fail unless
3127         the mode for the vector type is indeed a vector mode.
3128
3129 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
3130
3131         * tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
3132         chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
3133         of convert.
3134         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3135         add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
3136         follow_ssa_edge_in_rhs): Ditto.
3137         * tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
3138         (dump_iv): Dump base_object.
3139         (dump_use, dump_cand): Use dump_iv.
3140         (determine_base_object): New function.
3141         (alloc_iv): Initialize base_object field.
3142         (record_use): Clear the ssa_name field of iv.
3143         (get_computation_cost_at): Do not use difference of addresses of
3144         two different objects.
3145         (may_eliminate_iv): Do not require the loop to have just single exit.
3146         * tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
3147         (nonzero_p): New function.
3148         (inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
3149         tree_simplify_using_condition, simplify_using_initial_conditions,
3150         loop_niter_by_eval, find_loop_niter_by_eval,
3151         estimate_numbers_of_iterations_loop, compare_trees,
3152         upper_bound_in_type, lower_bound_in_type,
3153         can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
3154         fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
3155         instead of integer_(non)zerop.
3156
3157 2004-10-01  Jakub Jelinek  <jakub@redhat.com>
3158
3159         Revert
3160         2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3161
3162         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
3163         and TI_VA_LIST_FPR_COUNTER_FIELD.
3164         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
3165         * tree-pass.h (pass_stdarg): Add.
3166         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
3167         * tree-stdarg.c: New file.
3168         * Makefile.in (OBJS-common): Add tree-stdarg.o.
3169         (tree-stdarg.o): Add dependencies.
3170         * function.h (struct function): Add va_list_gpr_size and
3171         va_list_fpr_size fields.
3172         * function.c (allocate_struct_function): Initialize them.
3173
3174         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
3175         va_list_{g,f}pr_counter_field.
3176         (ix86_setup_incoming_varargs): Don't do anything if reg_save
3177         area will not be used.  Only save registers that tree-stdarg.c
3178         detected they need saving.
3179         (ix86_va_start): Don't set up fields that won't be used.
3180
3181         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
3182         va_list_{g,f}pr_counter_field.
3183         (setup_incoming_varargs): Don't do anything if reg_save
3184         area will not be used.  Only save registers that tree-stdarg.c
3185         detected they need saving.
3186         (rs6000_va_start): Don't set up fields that won't be used.
3187
3188 2004-09-30  Eric Christopher  <echristo@redhat.com>
3189
3190         * dwarf2.h (dwarf_calling_convention): Add enum for renesas
3191         sh abi.
3192         * dwarf2out.c (add_calling_convention_attribute): New function.
3193         (gen_subroutine_type_die): Use.
3194         * target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
3195         * target.h (gcc_target): Add dwarf_calling_convention.
3196         * hooks.c (hook_int_tree_0): New function.
3197         * hooks.h: Prototype.
3198         * config/sh/sh.c: Include dwarf2.h.
3199         (sh_dwarf_calling_convention): New function.
3200         (TARGET_DWARF_CALLING_CONVENTION): Use.
3201         * doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.
3202
3203 2004-09-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3204
3205         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
3206         expand_builtin_strrchr, expand_builtin_strpbrk,
3207         expand_builtin_strncat, expand_builtin_strspn,
3208         expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate
3209         code.
3210
3211 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
3212
3213         * config/s390/s390-protos.h (s390_expand_logical_operator): Add
3214         prototype.
3215         (s390_logical_operator_ok_p): Likewise.
3216         * config/s390/s390.c (s390_expand_logical_operator): New function.
3217         (s390_logical_operator_ok_p): Likewise.
3218         * config/s390/s390.md ("anddi3"): New expander.
3219         ("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
3220         ("*anddi3_ss", "*anddi3_ss_inv"): Remove.
3221         ("andsi3"): Use s390_expand_logical_operator.
3222         ("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
3223         ("*andsi3_ss", "*andsi3_ss_inv"): Remove.
3224         ("andhi3"): New expander.
3225         ("*andhi3_zarch", "*andhi3_esa"): New patterns.
3226         ("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
3227         ("andqi3"): New expander.
3228         ("*andqi3_zarch", "*andqi3_esa"): New patterns.
3229         ("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
3230         ("iordi3"): New expander.
3231         ("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
3232         ("*iordi3_ss", "*iordi3_ss_inv"): Remove.
3233         ("iorsi3"): Use s390_expand_logical_operator.
3234         ("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
3235         ("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
3236         ("iorhi3"): New expiorer.
3237         ("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
3238         ("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
3239         ("iorqi3"): New expiorer.
3240         ("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
3241         ("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
3242         ("xordi3"): New expander.
3243         ("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
3244         ("*xordi3_ss", "*xordi3_ss_inv"): Remove.
3245         ("xorsi3"): New expander.
3246         ("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
3247         ("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
3248         ("xorhi3"): New expander.
3249         ("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
3250         ("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
3251         ("xorqi3"): New expander.
3252         ("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
3253         ("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.
3254
3255 2004-09-30  Roger Sayle  <roger@eyesopen.com>
3256
3257         * combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
3258         (AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
3259         machine mode as the result.
3260
3261 2004-09-30  Ben Elliston  <bje@au.ibm.com>
3262
3263         PR bootstrap/17761
3264         * lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
3265         FOR_EACH_EDGE macros.
3266
3267 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
3268
3269         * c-tree.h (readonly_error): Remove.
3270         * c-typeck (enum lvalue_use): New.
3271         (lvalue_or_else, readonly_error): Use it.  All callers changed.
3272         (readonly_error): Make static.
3273
3274 2004-09-30  Jan Hubicka  <jh@suse.cz>
3275
3276         PR debug/13974
3277         * cfgrtl.c (try_redirect_by_replacing_jump,
3278         force_nonfallthru_and_redirect, commit_one_edge_insertion,
3279         cfg_layout_merge_blocks):  Do not attach any line number information
3280         to newly inserted instructions.
3281         * emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
3282         emit_insn_*_noloc.
3283         (emit_*insn_before, emit_insn*_after): New.
3284         (emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
3285         existing locators.
3286         * rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
3287         (emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.
3288
3289 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
3290
3291         * config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
3292         (s390_return_address_offset): Remove.
3293         (s390_can_eliminate): Add prototype.
3294         (s390_initial_elimination_offset): Add prototype.
3295         * config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
3296         (INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
3297         * config/s390/s390.c (s390_arg_frame_offset): Remove.
3298         (s390_return_address_offset): Remove.
3299         (s390_can_eliminate, s390_initial_elimination_offset): New functions.
3300         (struct machine_function): New member split_branches_pending_p.
3301         (s390_mainpool_start): Allow nonexistant pool insn for empty pool.
3302         (s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
3303         (s390_optimize_prologue): Remove base_used argument.  Call
3304         s390_update_frame_layout instead of s390_register_info.  Handle
3305         prologue/epilogue insns that touch only RETURN_REGNUM.
3306         (s390_reorg): Remove base_used.  Clear split_branches_pending_p.
3307         (s390_register_info): Remove base_used and return_addr_used
3308         arguments, compute special register usage inline.  Return live
3309         register data to caller.
3310         (s390_frame_info): Remove arguments, do not call s390_register_info.
3311         (s390_init_frame_layout): New function.
3312         (s390_update_frame_layout): Likewise.
3313         (s390_emit_prologue): Call s390_update_frame_layout; some code
3314         move to there.  Do not emit pool placeholder insn if unnecessary.
3315
3316 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
3317
3318         * config/s390/s390.c (legitimate_reload_constant_p): Remove
3319         floating point constant workaround.
3320         (s390_secondary_input_reload_class): Handle PLUS reloads
3321         with too-large constant.
3322         (s390_expand_plus_operand): Likewise.
3323         * config/s390/s390.md ("movdi"): Do not call force_const_mem.
3324         ("movsi"): Likewise.  Also, remove workaround for non-general
3325         operands.
3326         ("movdf"): Do not call force_const_mem.
3327         ("movsf"): Likewise.  Merge expander with *movsf insn.
3328         ("*movsf"): Remove, merge with movsf expander.
3329
3330 2004-09-30  Paul Brook  <paul@codesourcery.com>
3331
3332         * config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
3333         (ENDFILE_SPEC): Define.
3334         * config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.
3335
3336 2004-09-30  Richard Henderson  <rth@redhat.com>
3337
3338         * config/alpha/qrnnd.asm: Mark for noexecstack.
3339
3340 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
3341
3342         * protoize.c, tree-cfg.c: Fix comment typos.
3343
3344 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
3345
3346         PR c/17730
3347         * c-typeck.c (lvalue_or_else): Pass msgid directly to error.
3348
3349 2004-09-30  Diego Novillo  <dnovillo@redhat.com>
3350
3351         * tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
3352         expressions...
3353         (add_pointed_to_expr): ... here.
3354         Call add_pointed_to_expr for variables with DECL_INITIAL set.
3355         * tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
3356         pointer variable, if set.
3357
3358 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
3359
3360         * config/sh/sh.c: Follow spelling conventions.
3361
3362 2004-09-29  Richard Henderson  <rth@redhat.com>
3363
3364         * unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
3365         * doc/tm.texi (DWARF_ZERO_REG): New.
3366
3367         * config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
3368         alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
3369         * config/alpha/alpha.h (DWARF_ZERO_REG): New.
3370
3371 2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>
3372
3373         * builtins.c (expand_builtin_strlen): Do not call emit_move_insn
3374         with a PLUS as source operand.
3375         (expand_movstr): Likewise.
3376         (expand_builtin_stpcpy): Likewise.
3377
3378 2004-09-29  Richard Henderson  <rth@redhat.com>
3379
3380         PR 17739
3381         * tree-gimple.c (is_gimple_reg): Reject hard registers.
3382         (is_gimple_asm_val): New.
3383         * tree-gimple.h (is_gimple_asm_val): Declare.
3384         * gimplify.c (gimplify_asm_expr): Use it.
3385         * tree-pretty-print.c (print_declaration): Dump hard regs.
3386         * tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
3387         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
3388         * tree-ssa-pre.c (is_undefined_value): Likewise.
3389         * tree-ssa-copy.c (may_propagate_copy): Likewise.
3390         (may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
3391         * tree-ssa.c (warn_uninit): Likewise.
3392         * tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
3393
3394 2004-09-29  Fariborz Jahanian <fjahanian@apple.com>
3395
3396         * c-decl.c (merge_decls): Use comptype when comparing
3397         types to decide on DECL_SIZE save of olddecl.
3398
3399 2004-09-29  Daniel Berlin  <dberlin@dberlin.org>
3400
3401         * tree.h (INDIRECT_REF_P): New macro.
3402         * alias.c (get_alias_set): Use it
3403         (nonoverlapping_memrefs_p): Ditto.
3404         * emit-rtl.c (mem_expr_equal_p): Ditto.
3405         (set_mem_attributes_minus_bitpos): Ditto.
3406         (is_gimple_addressable): Ditto.
3407         (get_base_address): Ditto.
3408         * tree-ssa-alias.c (find_ptr_derefernece): Ditto.
3409         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
3410         * tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
3411         * tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
3412         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
3413         (add_address_candidates): Ditto.
3414         (rewrite_address_base): Ditto.
3415
3416 2004-09-30  Ben Elliston  <bje@au.ibm.com>
3417
3418         * tree-flow.h (struct bb_ann_d): Remove num_preds member.
3419         * tree-into-ssa.c (rewrite_into_ssa): Don't set it.
3420         (rewrite_ssa_into_ssa): Likewise.
3421         * tree-phinodes.c (create_phi_node): Access the number of
3422         predecessor edges using EDGE_COUNT() and not num_preds.
3423
3424 2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>
3425
3426         PR c/7425
3427         * c-decl.c (merge_decls): Merge TREE_DEPRECATED.
3428
3429 2004-09-29  Eric Christopher  <echristo@redhat.com>
3430
3431         * fold-const.c (tree_swap_operands_p): Remove duplicated code.
3432
3433 2004-09-29  Hans-Peter Nilsson  <hp@axis.com>
3434
3435         * config/cris/cris.md (moverside, movemside): With MEM, make sure
3436         the address is (plus reg mem).
3437
3438 2004-09-29  David Edelsohn  <edelsohn@gnu.org>
3439
3440         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
3441
3442 2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>
3443
3444         * tree.c (make_node_stat): Fix uninitialized warning.  Replace
3445         cascaded if ... else if with a switch.
3446
3447 2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3448
3449         * read-rtl.c (apply_macro_to_string): Replace index with strchr.
3450
3451 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3452
3453         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
3454         and TI_VA_LIST_FPR_COUNTER_FIELD.
3455         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
3456         * tree-pass.h (pass_stdarg): Add.
3457         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
3458         * tree-stdarg.c: New file.
3459         * Makefile.in (OBJS-common): Add tree-stdarg.o.
3460         (tree-stdarg.o): Add dependencies.
3461         * function.h (struct function): Add va_list_gpr_size and
3462         va_list_fpr_size fields.
3463         * function.c (allocate_struct_function): Initialize them.
3464
3465         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
3466         va_list_{g,f}pr_counter_field.
3467         (ix86_setup_incoming_varargs): Don't do anything if reg_save
3468         area will not be used.  Only save registers that tree-stdarg.c
3469         detected they need saving.
3470         (ix86_va_start): Don't set up fields that won't be used.
3471
3472         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
3473         va_list_{g,f}pr_counter_field.
3474         (setup_incoming_varargs): Don't do anything if reg_save
3475         area will not be used.  Only save registers that tree-stdarg.c
3476         detected they need saving.
3477         (rs6000_va_start): Don't set up fields that won't be used.
3478
3479 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3480
3481         * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
3482         BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
3483         BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
3484         BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
3485         * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
3486         ATTR_NONNULL_1_4): New.
3487
3488 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3489
3490         PR tree-optimization/17697
3491         * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
3492         cfg if needed.
3493
3494 2004-09-28  Per Bothner  <per@bothner.com>
3495
3496         * profile.c (branch_prob): Pass correct value to output_location,
3497         even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.
3498
3499 2004-09-28  Richard Henderson  <rth@redhat.com>
3500
3501         PR 15089
3502         * tree-ssa-copy.c (may_propagate_copy_into_asm): New.
3503         * tree-flow.h (may_propagate_copy_into_asm): Declare.
3504         * tree-ssa-ccp.c (replace_uses_in): Use it.
3505         * tree-ssa-dom.c (cprop_operand): Likewise.
3506
3507 2004-09-28 Jeff Law  <law@redhat.com>
3508
3509         * tree-ssa-threadupdate.c (create_block_for_threading):  Request
3510         that no outgoing edges be left in the duplicate block.  Do no
3511         update information on outgoing edges or PHI nodes in target
3512         blocks here.
3513         (remove_ctrl_stmt_and_useless_edges): Renamed from
3514         remove_last_stmt_and_useless_edges.  Handle case where the
3515         block is empty or has no control statements.  Do not update edge
3516         flags here.
3517         (thread_block): Create a template block rather than copying the
3518         original block every time.  Create outgoing edges from the
3519         duplicate blocks and update PHIs at the target of the outgoing
3520         edges here.  Fix edge flags for the original block if necessary.
3521         * cfghooks (duplicate_block): No longer assert that the original
3522         block has incoming edges.
3523
3524 2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>
3525
3526         * doc/extend.texi (Extended Asm): Add blurb about using Explicit
3527         Reg Vars to enforce register allocation with general constraints.
3528         (Explicit Reg Vars): Clarify relation to asm statements.
3529         (Local Reg Vars): Similar.
3530
3531 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3532
3533         * sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
3534         TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
3535         build_control_flow, new_edge): Remove.
3536         (schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
3537         (bitlst, bitlst_table_last, bitlst_table): Remove.
3538         (bblst): Store basic_block pointer instead of block index.
3539         (bblst_table): Likewise.
3540         (edgelst): Store edge pointer instead of edge index.
3541         (edgelst_table, edgelst_last): New variables.
3542         (extract_bitlst): Rename to ...
3543         (extract_edgelst): ... this.  Return edge pointers, not indices.
3544         (split_edges): Update call.
3545         (rgn_edges): Store edge pointers instead of indices.
3546         (edge_to_bit): Remove.
3547         (EDGE_TO_BIT): Store per-region edge index in edge->aux.
3548         (SET_EDGE_TO_BIT): New macro.
3549         (is_cfg_nonregular): Check for simple cases of unreachable blocks.
3550         (find_rgns): Remove edge_list parameter.  Traverse standard CFG
3551         data structures instead of haifa_edge et al.  Use edge pointers
3552         instead of edge indices everywhere.
3553         (compute_dom_prob_ps): Use standard CFG data structures.  Account
3554         for exit edges.
3555         (compute_trg_info): Likewise.
3556         (propagate_deps): Likewise.
3557         (debug_candidate): Account for bblst data structure change.
3558         (check_live_1, update_live_1, is_pfree): Likewise.
3559         (IS_REACHABLE): Use standard CFG data structures.
3560         (init_ready_list): Update bblst_table/edgelst_table allocation.
3561         (schedule_region): Update alloc/cleanup code to data structure
3562         changes.  Use edge->aux to store per-region edge index.
3563         (init_regions): No longer call build_control_flow.  Do not
3564         create edge list any more.
3565
3566 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3567
3568         * cse.c (cse_insn): Avoid creating direct non-local jumps.
3569         * combine.c (can_combine_p): Likewise.
3570         * local-alloc. (update_equiv_regs): Likewise.
3571
3572 2004-09-28  Richard Henderson  <rth@redhat.com>
3573
3574         PR 17531
3575         * expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
3576         Don't check VOIDmode here.  Force PLUS operands to common type.
3577         (expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
3578         Pmode if given a non pointer type.
3579
3580 2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3581
3582         PR 17531
3583         * optabs.c (expand_binop): Force constants to the correct mode.
3584
3585 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3586
3587         * config/s390/s390.c (s390_adjust_cost): Remove.
3588         (TARGET_SCHED_ADJUST_COST): Do not redefine.
3589         (s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
3590         * config/s390/s390.md ("main_pool"): Use "larl" type
3591         attribute if TARGET_CPU_ZARCH.
3592
3593 2004-09-28  Jakub Jelinek  <jakub@redhat.com>
3594
3595         * config/ia64/ia64.c (ia64_expand_prologue): Declare ei
3596         variable.
3597
3598 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3599
3600         * tree-ssa-loop.c (pass_record_bounds): Do not assign a
3601         name to the pass.
3602
3603 2004-09-28  Steven Bosscher  <stevenb@suse.de>
3604
3605         * common.opt (flag_gcse_sm): Disable by default.
3606         (flag_gcse_las): Likewise.
3607         (flag_web): Likewise.  Create from this file.
3608         * flags.h: Remove flag_web declaration.
3609         * toplev.c (flag_web): Likewise.
3610         (process_options): Never set flag_web.
3611
3612 2004-09-28  Steven Bosscher  <stevenb@suse.de>
3613
3614         * Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
3615         * tree-ssa-propagate.c: Include vec.h.
3616         (interesting_ssa_edges, varying_ssa_edges): Make these VECs
3617         instead of varrays.
3618         (cfg_blocks_add): Assert the block is not already in the worklist.
3619         Update uses of interesting_ssa_edges and varying_ssa_edges.
3620         (process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
3621         ssa_propagate): Likewise.
3622
3623 2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>
3624
3625         PR c/16409
3626         * c-decl.c (start_decl): Check for initializing incomplete array
3627         of VLAs.
3628         (build_compound_literal): Check for TYPE being error_mark_node.
3629         * c-parse.in (primary): Check for VLA compound literals.
3630
3631 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3632
3633         * tree-ssa-live.c (calculate_live_on_entry): Fix warnings
3634         with --disable-checking.
3635
3636 2004-09-28  Devang Patel  <dpatel@apple.com>
3637
3638         * tree-pretty-print.c (dump_generic_node): Print vector types.
3639
3640 2004-09-28  Nick Clifton  <nickc@redhat.com>
3641
3642         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
3643         invocation of the function sh_init_cumulative_args.
3644         (INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
3645         (INIT_CUMULATIVE_INCOMING_ARGS): Delete.
3646         * config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
3647         * config/sh/sh.c (sh_init_cumulative_args): New function based
3648         on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
3649         heuristic added to determine the setting of force_mem when a
3650         library function is being called.
3651
3652 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3653
3654         * tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
3655         Skip constant arguments.
3656
3657 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3658
3659         * tree-ssa-alias.c (create_name_tags): If PTR points to a
3660         volatile type, mark the tag volatile.
3661         (get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
3662         volatile.
3663
3664 2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>
3665
3666         * tree.def (vec_cond_expr): Fix. Change 'e'
3667         to tcc_expression.
3668
3669 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
3670
3671         * basic-block.h: Fix a comment typo.
3672
3673 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
3674
3675         * optabs.c, optabs.h: Fix comment typos.
3676
3677 2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>
3678
3679         * config/sparc/sparc.md (call_address_struct_value_sp32):
3680         Properly mask the immediate field of the 'unimp' instruction.
3681         (call_symbolic_struct_value_sp32): Likewise.
3682
3683 2004-09-28  Ben Elliston  <bje@au.ibm.com>
3684             Steven Bosscher  <stevenb@suse.de>
3685             Andrew Pinski  <pinskia@physics.uc.edu>
3686
3687         Merge from edge-vector-branch:
3688         * basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
3689         (struct edge_def): Remove pred_next, succ_next members.
3690         (struct basic_block_def): Remove pred, succ members.  Add preds
3691         and succs members of type VEC(edge).
3692         (FALLTHRU_EDGE): Redefine using EDGE_SUCC.
3693         (BRANCH_EDGE): Likewise.
3694         (EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
3695         (EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
3696         (edge_iterator): New.
3697         (ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
3698         (ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
3699         (FOR_EACH_EDGE): New.
3700         * bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
3701         where applicable.
3702         (rotate_loop): Likewise.
3703         (find_traces_1_route): Likewise.
3704         (bb_to_key): Likewise.
3705         (connect_traces): Likewise.
3706         (copy_bb_p): Likewise.
3707         (find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
3708         (add_labels_and_missing_jumps): Likewise.
3709         (fix_up_fall_thru_edges): Likewise.
3710         (find_jump_block): Likewise.
3711         (fix_crossing_conditional_branches): Likewise.
3712         (fix_crossing_unconditional_branches): Likewise.
3713         (add_reg_crossing_jump_notes): Likewise.
3714         * bt-load.c (augment_live_range): Likewise.
3715         * cfg.c (clear_edges): Likewise.
3716         (unchecked_make_edge): Likewise.
3717         (cached_make_edge): Likewise.
3718         (make_single_succ_edge): Likewise.
3719         (remove_edge): Likewise.
3720         (redirect_edge_succ_nodup): Likewise.
3721         (check_bb_profile): Likewise.
3722         (dump_flow_info): Likewise.
3723         (alloc_aux_for_edges): Likewise.
3724         (clear_aux_for_edges): Likewise.
3725         (dump_cfg_bb_info): Likewise.
3726         * cfganal.c (forwarder_block_p): Likewise.
3727         (can_fallthru): Likewise.
3728         (could_fall_through): Likewise.
3729         (mark_dfs_back_edges): Likewise.
3730         (set_edge_can_fallthru_flag): Likewise.
3731         (find_unreachable_blocks): Likewise.
3732         (create_edge_list): Likewise.
3733         (verify_edge_list): Likewise.
3734         (add_noreturn_fake_exit_edges): Likewise.
3735         (connect_infinite_loops_to_exit): Likewise.
3736         (flow_reverse_top_sort_order_compute): Likewise.
3737         (flow_depth_first_order_compute): Likewise.
3738         (flow_preorder_transversal_compute): Likewise.
3739         (flow_dfs_compute_reverse_execute): Likewise.
3740         (dfs_enumerate_from): Likewise.
3741         (compute_dominance_frontiers_1): Likewise.
3742         * cfgbuild.c (make_edges): Likewise.
3743         (compute_outgoing_frequencies): Likewise.
3744         (find_many_sub_basic_blocks): Likewise.
3745         (find_sub_basic_blocks): Likewise.
3746         * cfgcleanup.c (try_simplify_condjump): Likewise.
3747         (thread_jump): Likewise.
3748         (try_forward_edges): Likewise.
3749         (merge_blocks_move): Likewise.
3750         (outgoing_edges_match): Likewise.
3751         (try_crossjump_to_edge): Likewise.
3752         (try_crossjump_bb): Likewise.
3753         (try_optimize_cfg): Likewise.
3754         (merge_seq_blocks): Likewise.
3755         * cfgexpand.c (expand_gimple_tailcall): Likewise.
3756         (expand_gimple_basic_block): Likewise.
3757         (construct_init_block): Likewise.
3758         (construct_exit_block): Likewise.
3759         * cfghooks.c (verify_flow_info): Likewise.
3760         (dump_bb): Likewise.
3761         (delete_basic_block): Likewise.
3762         (split_edge): Likewise.
3763         (merge_blocks): Likewise.
3764         (make_forwarder_block): Likewise.
3765         (tidy_fallthru_edges): Likewise.
3766         (can_duplicate_block_p): Likewise.
3767         (duplicate_block): Likewise.
3768         * cfglayout.c (fixup_reorder_chain): Likewise.
3769         (fixup_fallthru_exit_predecessor): Likewise.
3770         (can_copy_bbs_p): Likewise.
3771         (copy_bbs): Likewise.
3772         * cfgloop.c (flow_loops_cfg_dump): Likewise.
3773         (flow_loop_entry_edges_find): Likewise.
3774         (flow_loop_exit_edges_find): Likewise.
3775         (flow_loop_nodes_find): Likewise.
3776         (mark_single_exit_loops): Likewise.
3777         (flow_loop_pre_header_scan): Likewise.
3778         (flow_loop_pre_header_find): Likewise.
3779         (update_latch_info): Likewise.
3780         (canonicalize_loop_headers): Likewise.
3781         (flow_loops_find): Likewise.
3782         (get_loop_body_in_bfs_order): Likewise.
3783         (get_loop_exit_edges): Likewise.
3784         (num_loop_branches): Likewise.
3785         (verify_loop_structure): Likewise.
3786         (loop_latch_edge): Likewise.
3787         (loop_preheader_edge): Likewise.
3788         * cfgloopanal.c (mark_irreducible_loops): Likewise.
3789         (expected_loop_iterations): Likewise.
3790         * cfgloopmanip.c (remove_bbs): Likewise.
3791         (fix_bb_placement): Likewise.
3792         (fix_irreducible_loops): Likewise.
3793         (remove_path): Likewise.
3794         (scale_bbs_frequencies): Likewise.
3795         (loopify): Likewise.
3796         (unloop): Likewise.
3797         (fix_loop_placement): Likewise.
3798         (loop_delete_branch_edge): Likewise.
3799         (duplicate_loop_to_header_edge): Likewise.
3800         (mfb_keep_just): Likewise.
3801         (create_preheader): Likewise.
3802         (force_single_succ_latches): Likewise.
3803         (loop_split_edge_with): Likewise.
3804         (create_loop_notes): Likewise.
3805         * cfgrtl.c (rtl_split_block): Likewise.
3806         (rtl_merge_blocks): Likewise.
3807         (rtl_can_merge_blocks): Likewise.
3808         (try_redirect_by_replacing_jump): Likewise.
3809         (force_nonfallthru_and_redirect): Likewise.
3810         (rtl_tidy_fallthru_edge): Likewise.
3811         (commit_one_edge_insertion): Likewise.
3812         (commit_edge_insertions): Likewise.
3813         (commit_edge_insertions_watch_calls): Likewise.
3814         (rtl_verify_flow_info_1): Likewise.
3815         (rtl_verify_flow_info): Likewise.
3816         (purge_dead_edges): Likewise.
3817         (cfg_layout_redirect_edge_and_branch): Likewise.
3818         (cfg_layout_can_merge_blocks_p): Likewise.
3819         (rtl_flow_call_edges_add): Likewise.
3820         * cse.c (cse_cc_succs): Likewise.
3821         * df.c (hybrid_search): Likewise.
3822         * dominance.c (calc_dfs_tree_nonrec): Likewise.
3823         (calc_dfs_tree): Likewise.
3824         (calc_idoms): Likewise.
3825         (recount_dominator): Likewise.
3826         * domwalk.c (walk_dominator_tree): Likewise.
3827         * except.c (emit_to_new_bb_before): Likewise.
3828         (connect_post_landing_pads): Likewise.
3829         (sjlj_emit_function_enter): Likewise.
3830         (sjlj_emit_function_exit): Likewise.
3831         (finish_eh_generation): Likewise.
3832         * final.c (compute_alignments): Likewise.
3833         * flow.c (calculate_global_regs_live): Likewise.
3834         (initialize_uninitialized_subregs): Likewise.
3835         (init_propagate_block_info): Likewise.
3836         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3837         * gcse.c (find_implicit_sets): Likewise.
3838         (bypass_block): Likewise.
3839         (bypass_conditional_jumps): Likewise.
3840         (compute_pre_data): Likewise.
3841         (insert_insn_end_bb): Likewise.
3842         (insert_store): Likewise.
3843         (remove_reachable_equiv_notes): Likewise.
3844         * global.c (global_conflicts): Likewise.
3845         (calculate_reg_pav): Likewise.
3846         * graph.c (print_rtl_graph_with_bb): Likewise.
3847         * ifcvt.c (mark_loop_exit_edges): Likewise.
3848         (merge_if_block): Likewise.
3849         (find_if_header): Likewise.
3850         (block_jumps_and_fallthru_p): Likewise.
3851         (find_if_block): Likewise.
3852         (find_cond_trap): Likewise.
3853         (block_has_only_trap): Likewise.
3854         (find_if_case1): Likewise.
3855         (find_if_case_2): Likewise.
3856         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
3857         (perfect_nestify): Likewise.
3858         * lcm.c (compute_antinout_edge): Likewise.
3859         (compute_laterin): Likewise.
3860         (compute_available): Likewise.
3861         (compute_nearerout): Likewise.
3862         * loop-doloop.c (doloop_modify): Likewise.
3863         * loop-init.c (loop_optimizer_init): Likewise.
3864         * loop-invariant.c (find_exits): Likewise.
3865         * loop-iv.c (simplify_using_initial_values): Likewise.
3866         (check_simple_exit): Likewise.
3867         (find_simple_exit): Likewise.
3868         * loop-unroll.c (peel_loop_completely): Likewise.
3869         (unroll_loop_constant_iterations): Likewise.
3870         (unroll_loop_runtime_iterations): Likewise.
3871         * loop-unswitch.c (may_unswitch_on): Likewise.
3872         (unswitch_loop): Likewise.
3873         * modulo-sched.c (generate_prolog_epilog): Likewise.
3874         (sms_schedule): Likewise.
3875         * postreload-gcse.c (eliminate_partially_redundant_load):
3876         Likewise.
3877         * predict.c (can_predict_insn_p): Likewise.
3878         (set_even_probabilities): Likewise.
3879         (combine_predictions_for_bb): Likewise.
3880         (predict_loops): Likewise.
3881         (estimate_probability): Likewise.
3882         (tree_predict_by_opcode): Likewise.
3883         (tree_estimate_probability): Likewise.
3884         (last_basic_block_p): Likewise.
3885         (propagate_freq): Likewise.
3886         (estimate_loops_at_level): Likewise.
3887         (estimate_bb_frequencies): Likewise.
3888         * profile.c (instrument_edges): Likewise.
3889         (get_exec_counts): Likewise.
3890         (compute_branch_probabilities): Likewise.
3891         (branch_prob): Likewise.
3892         * ra-build.c (live_in): Likewise.
3893         * ra-rewrite.c (rewrite_program2): Likewise.
3894         * ra.c (reg_alloc): Likewise.
3895         * reg-stack.c (reg_to_stack): Likewise.
3896         (convert_regs_entry): Likewise.
3897         (compensate_edge): Likewise.
3898         (convert_regs_1): Likewise,
3899         (convert_regs_2): Likewise.
3900         (convert_regs): Likewise.
3901         * regrename.c (copyprop_hardreg_forward): Likewise.
3902         * reload1.c (fixup_abnormal_edges): Likewise.
3903         * sbitmap.c (sbitmap_intersection_of_succs): Likewise.
3904         (sbitmap_insersection_of_preds): Likewise.
3905         (sbitmap_union_of_succs): Likewise.
3906         (sbitmap_union_of_preds): Likewise.
3907         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
3908         (fix_basic_block_boundaries): Likewise.
3909         (sched_ebbs): Likewise.
3910         * sched-rgn.c (build_control_flow): Likewise.
3911         (find_rgns): Likewise.
3912         * tracer.c (find_best_successor): Likewise.
3913         (find_best_predecessor): Likewise.
3914         (tail_duplicate): Likewise.
3915         * tree-cfg.c (make_edges): Likewise.
3916         (make_ctrl_stmt_edges): Likewise.
3917         (make_goto_expr_edges): Likewise.
3918         (tree_can_merge_blocks_p): Likewise.
3919         (tree_merge_blocks): Likewise.
3920         (cfg_remove_useless_stmts_bb): Likewise.
3921         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
3922         (tree_block_forwards_to): Likewise.
3923         (cleanup_control_expr_graph): Likewise.
3924         (find_taken_edge): Likewise.
3925         (dump_cfg_stats): Likewise.
3926         (tree_cfg2vcg): Likewise.
3927         (disband_implicit_edges): Likewise.
3928         (tree_find_edge_insert_loc): Likewise.
3929         (bsi_commit_edge_inserts): Likewise.
3930         (tree_split_edge): Likewise.
3931         (tree_verify_flow_info): Likewise.
3932         (tree_make_forwarder_block): Likewise.
3933         (tree_forwarder_block_p): Likewise.
3934         (thread_jumps): Likewise.
3935         (tree_try_redirect_by_replacing_jump): Likewise.
3936         (tree_split_block): Likewise.
3937         (add_phi_args_after_copy_bb): Likewise.
3938         (rewrite_to_new_ssa_names_bb): Likewise.
3939         (dump_function_to_file): Likewise.
3940         (print_pred_bbs): Likewise.
3941         (print_loop): Likewise.
3942         (tree_flow_call_edges_add): Likewise.
3943         (split_critical_edges): Likewise.
3944         (execute_warn_function_return): Likewise.
3945         (extract_true_false_edges_from_block): Likewise.
3946         * tree-if-conv.c (tree_if_conversion): Likewise.
3947         (if_convertable_bb_p): Likewise.
3948         (find_phi_replacement_condition): Likewise.
3949         (combine_blocks): Likewise.
3950         * tree-into-ssa.c (compute_global_livein): Likewise.
3951         (ssa_mark_phi_uses): Likewise.
3952         (ssa_rewrite_initialize_block): Likewise.
3953         (rewrite_add_phi_arguments): Likewise.
3954         (ssa_rewrite_phi_arguments): Likewise.
3955         (insert_phi_nodes_for): Likewise.
3956         (rewrite_into_ssa): Likewise.
3957         (rewrite_ssa_into_ssa): Likewise.
3958         * tree-mudflap.c (mf_build_check_statement_for): Likewise.
3959         * tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
3960         (rewrite_trees): Likewise.
3961         * tree-pretty-print.c (dump_bb_header): Likewise.
3962         (dump_implicit_edges): Likewise.
3963         * tree-sra.c (insert_edge_copies): Likewise.
3964         (find_obviously_necessary_stmts): Likewise.
3965         (remove_data_stmt): Likewise.
3966         * tree-ssa-dom.c (thread_across_edge): Likewise.
3967         (dom_opt_finalize_block): Likewise.
3968         (single_incoming_edge_ignoring_loop_edges): Likewise.
3969         (record_equivalences_from_incoming_edges): Likewise.
3970         (cprop_into_successor_phis): Likewise.
3971         * tree-ssa-live.c (live_worklist): Likewise.
3972         (calculate_live_on_entry): Likewise.
3973         (calculate_live_on_exit): Likewise.
3974         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
3975         (copy_loop_headers): Likewise.
3976         * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
3977         (fill_always_executed_in): Likewise.
3978         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
3979         * tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
3980         (compute_phi_arg_on_exit): Likewise.
3981         * tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
3982         (get_loops_exit): Likewise.
3983         (split_loop_exit_edge): Likewise.
3984         (ip_normal_pos): Likewise.
3985         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3986         Likewise.
3987         * tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
3988         (replace_phi_with_stmt): Likewise.
3989         (value_replacement): Likewise.
3990         * tree-ssa-pre.c (compute_antic_aux): Likewise.
3991         (insert_aux): Likewise.
3992         (init_pre): Likewise.
3993         * tree-ssa-propagate.c (simulate_stmt): Likewise.
3994         (simulate_block): Likewise.
3995         (ssa_prop_init): Likewise.
3996         * tree-ssa-threadupdate.c (thread_block): Likewise.
3997         (create_block_for_threading): Likewise.
3998         (remove_last_stmt_and_useless_edges): Likewise.
3999         * tree-ssa.c (verify_phi_args): Likewise.
4000         (verify_ssa): Likewise.
4001         * tree_tailcall.c (independent_of_stmt_p): Likewise.
4002         (find_tail_calls): Likewise.
4003         (eliminate_tail_call): Likewise.
4004         (tree_optimize_tail_calls_1): Likewise.
4005         * tree-vectorizer.c (vect_transform_loop): Likewise.
4006         * var-tracking.c (prologue_stack_adjust): Likewise.
4007         (vt_stack_adjustments): Likewise.
4008         (vt_find_locations): Likewise.
4009         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
4010         * config/i386/i386.c (ix86_pad_returns): Likewise.
4011         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
4012         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
4013
4014 2004-09-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
4015
4016         PR target/16532
4017         * config/sparc/sparc.c (struct machine_function): New field
4018         'leaf_function_p' and 'prologue_data_valid_p'.
4019         (sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
4020         to conveniently access the above fields.
4021         (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
4022         (eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
4023         of the generic flavor 'current_function_uses_only_leaf_regs'.
4024         (eligible_for_sibcall_delay): Likewise.
4025         (sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
4026         'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
4027         (sparc_asm_function_prologue): Add sanity check for the assumption
4028         made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
4029         (sparc_can_use_return_insn_p): New function.
4030         (sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
4031         (output_restore): Likewise.
4032         (output_sibcall): Likewise.
4033         (sparc_output_mi_thunk): Likewise.
4034         * config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
4035         * config/sparc/sparc.md (return): New expander.
4036
4037         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.
4038
4039 2004-09-27  Mark Mitchell  <mark@codesourcery.com>
4040
4041         PR c++/17642
4042         * stor-layout.c (layout_decl): Use fold_convert, not convert.
4043         (bit_from_pos): Likewise.
4044         (byte_from_pos): Likewise.
4045         (pos_from_bit): Likewise.
4046         (normalize_offset): Likewise.
4047         (place_field): Likewise.
4048         (finalize_type_size): Likewise.
4049         (layout_type): Likewise.
4050         * tree.c (build_index_type): Likewise.
4051
4052 2004-09-27  Devang Patel  <dpatel@apple.com>
4053
4054         * expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
4055         * genopinit.c (optabs): New entry for vcond_gen_code and
4056         vcondu_gen_code.
4057         * optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
4058         (get_rtx_code): New function.
4059         (vector_compare_rtx): New function.
4060         (init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
4061         (expand_vec_cond_expr_p): New function.
4062         (expand_vec_cond_expr): New function.
4063         (get_vcond_icode): New function.
4064         * optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
4065         (vcond_gen_code, vcondu_gen_code): Same.
4066
4067 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
4068
4069         * Makefile.in (STAGESTUFF): Split into ...
4070         (STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
4071         (mostlyclean): Update.
4072         (stage1-start, stage2-start, stage3-start, stage4-start,
4073         stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
4074         Move the STAGEMOVESTUFF.
4075
4076 2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
4077
4078         * system.h (getpagesize): Return 'int' instead of 'long'.
4079
4080 2004-09-27  Michael Matz <matz@suse.de>
4081
4082         PR bootstrap/17698
4083         PR bootstrap/17702
4084         * bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
4085         bmp_iter_and_init): Shift by bit_in_word.
4086
4087 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
4088
4089         * aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
4090         * configure.ac: Don't sinclude it here.
4091         * configure: Regenerate.
4092
4093 2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>
4094
4095         * config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
4096         Handle AND pattern
4097
4098 2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>
4099
4100         PR c/13804
4101         * c-typeck.c (build_component_ref): Name type involved in
4102         diagnostic for structure or union without a member of the given
4103         name.
4104
4105 2004-09-27  DJ Delorie  <dj@redhat.com>
4106
4107         * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
4108         .comm alignment is bytes, not bits.
4109
4110 2004-09-27  Devang Patel  <dpatel@apple.com>
4111
4112         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
4113         (print_call_name): Do not print VEC_COND_EXPR.
4114
4115 2004-09-27  Devang Patel  <dpatel@apple.com>
4116
4117         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
4118
4119 2004-09-27  Jan Hubicka  <jh@suse.cz>
4120
4121         * i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.
4122
4123 2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>
4124
4125         * bitmap.h: Fix a comment typo.
4126
4127 2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
4128
4129         * libgcc2.c (getpagesize): Change type of return value to int.
4130
4131 2004-09-26  Matt Austern  <austern@apple.com>
4132
4133         * ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
4134         using mmap.
4135
4136 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4137
4138         * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
4139         EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
4140         (bitmap_iterator): New type.
4141         (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
4142         bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
4143         bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
4144         bmp_iter_and_init, bmp_iter_and_next): New functions.
4145         * basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
4146         EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
4147         use iterator-style EXECUTE_IF_IN_BITMAP macros.
4148         * bitmap.c (bitmap_print): Ditto.
4149         * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
4150         btr_def_live_range): Ditto.
4151         * cfganal.c (compute_dominance_frontiers_1) Ditto.
4152         * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
4153         Ditto.
4154         * ddg.c (build_inter_loop_deps): Ditto.
4155         * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
4156         Ditto.
4157         * except.c (remove_eh_handler): Ditto.
4158         * flow.c (reg_set_to_hard_reg_set): Ditto.
4159         * gcse.c (clear_modify_mem_tables): Ditto.
4160         * global.c (build_insn_chain): Ditto.
4161         * ifcvt.c (dead_or_predicable): Ditto.
4162         * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
4163         Ditto.
4164         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
4165         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
4166         detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
4167         * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
4168         tree_purge_all_dead_eh_edges): Ditto.
4169         * tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
4170         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
4171         rewrite_ssa_into_ssa): Ditto.
4172         * tree-outof-ssa.c (find_replaceable_exprs): Ditto.
4173         * tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
4174         Ditto.
4175         * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
4176         compute_flow_sensitive_aliasing, maybe_create_global_var,
4177         dump_points_to_info_for): Ditto.
4178         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
4179         * tree-ssa-dse.c (dse_finalize_block): Ditto.
4180         * tree-ssa-live.c (live_worklist, calculate_live_on_entry,
4181         calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
4182         Ditto.
4183         * tree-ssa-loop-ivopts.c (find_induction_variables,
4184         find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
4185         determine_use_iv_costs, determine_set_costs, find_best_candidate,
4186         set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
4187         Ditto.
4188         * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
4189         * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
4190         add_call_read_ops): Ditto.
4191         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.
4192
4193 2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4194
4195         * pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
4196         UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.
4197
4198 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
4199
4200         * builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
4201         reflect size of memory regions being compared.
4202
4203 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
4204
4205         * builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
4206         expressions.  Always clear MEM_SIZE and alias set.
4207
4208 2004-09-26  Roger Sayle  <roger@eyesopen.com>
4209             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4210
4211         PR middle-end/17112
4212         * stor-layout.c (compute_record_mode): For records with a single
4213         field, only use the field's mode if its size matches what we'd
4214         have choosen for the record ourselves.  This forces the use of
4215         BLKmode for packed records that don't completely fill a mode.
4216
4217 2004-09-26  Roger Sayle  <roger@eyesopen.com>
4218
4219         PR middle-end/17151
4220         * combine.c (force_to_mode): Remove dubious early return test that
4221         inhibits further optimization.
4222
4223 2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>
4224
4225         * profile.c: Fix a comment typo.
4226
4227 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4228
4229         PR bootstrap/17591
4230         * tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
4231         with varying offset.
4232         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
4233         (idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
4234         ARRAY_REFS.
4235         (expr_invariant_in_loop_p): New function.
4236         (idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
4237         component_ref_field_offset for COMPONENT_REFs.  Do not allow
4238         ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
4239         (add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
4240         MISALIGNED_INDIRECT_REFs.
4241         (idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
4242         (rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
4243         MISALIGNED_INDIRECT_REFs.
4244
4245 2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>
4246
4247         PR c/11459
4248         * gcc.c (cpp_options, cc1_options): Preserve relative order of
4249         -std and -ansi options.
4250
4251 2004-09-26  Jan Hubicka  <jh@suse.cz>
4252
4253         * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
4254         for nested functions whose proper parent has not been output.
4255
4256         * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
4257         when re-constructing profile previously invalidated by loop.
4258
4259 2004-09-25  Dale Johannesen  <dalej@apple.com>
4260
4261         * tree-gimple.c:  Move GIMPLE definition...
4262         * doc/tree-ssa.texi:  here.
4263
4264 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
4265
4266         * tree-vectorizer.c: Fix a comment typo.
4267
4268 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
4269
4270         * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
4271         gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
4272         lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
4273         tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.
4274
4275 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
4276
4277         * tree-ssa-loop-unswitch.c: Fix a comment typo.
4278
4279 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
4280
4281         * doc/passes.texi: Fix a typo.
4282
4283 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4284
4285         * tree-optimize.c (init_tree_optimization_passes): Add
4286         pass_record_bounds.
4287         * tree-pass.h (pass_record_bounds): Declare.
4288         * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
4289         New pass.
4290
4291 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4292
4293         PR tree-optimization/17474
4294         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
4295         offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.
4296
4297 2004-09-25  Jan Hubicka  <jh@suse.cz>
4298
4299         * predict.c (counts_to_freqs): Make global.
4300         * predict.h (counts_to_freqa): Declare.
4301         * profile.c (compute_branch_probabilities): Compute frequencies
4302         * tree-profile.c (do_tree_profiling): Refine conditional on when
4303         tree profiling pass is needed.
4304
4305         * passes.c (rest_of_handle_cfg): Disable const/pure function
4306         detection when doing tree based profiling.
4307
4308         * tree-inline.c (expand_call_inline): Fix incorrectly reversed
4309         conditional.
4310
4311 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
4312
4313         * config/mips/mips.h (struct mips_args): Clarify comments.
4314         * config/mips/mips.c (struct mips_arg_info): Likewise.
4315         (mips_arg_info): Don't allow fpr_p to affect the register or
4316         stack alignment.  Remove o64 silliness.
4317         (function_arg): Deal with the o32 float,float case specially.
4318
4319 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
4320
4321         * config/mips/mips.md (loadx, storex): Define for V2SF.
4322
4323 2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>
4324
4325         * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
4326         * config/s390/s390.c (s390_back_chain_rtx): New function.
4327         * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
4328         Call anti_adjust_stack.
4329         ("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
4330         only if compiling with back chain.
4331         ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
4332         back chain only if back chain enabled.  Use s390_back_chain_rtx.
4333
4334 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
4335
4336         * doc/trouble.texi: Remove obsolete information.  Update
4337         information on how to regenerate fixincluded headers.
4338
4339 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
4340
4341         PR c/12951
4342         * doc/invoke.texi: Document that
4343         -Wno-error-implicit-function-declaration is not accepted.
4344
4345 2004-09-24  Richard Henderson  <rth@redhat.com>
4346
4347         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
4348         * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
4349         on TARGET_MAX.
4350         (alpha_expand_mov): Allow unaligned vectors.
4351         (alpha_expand_unaligned_store): Use CONST0_RTX.
4352         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.
4353
4354 2004-09-24 Jeff Law  <law@redhat.com>
4355
4356         * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
4357         aliasing rules.
4358         (simplify_cond_and_lookup_avail_expr): Likewise.
4359
4360 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4361
4362         PR c/12802
4363         * doc/extend.texi (Unnamed Fields): Remove "." from end of long
4364         title.  Document interaction with -fms-extensions.
4365         * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
4366         section.
4367
4368 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4369
4370         PR c/12713
4371         * doc/extend.texi: Document interaction of attribute noreturn and
4372         longjmp.
4373
4374 2004-09-24  Richard Henderson  <rth@redhat.com>
4375
4376         PR rtl-opt/17503
4377         * regclass.c (subregs_of_mode): Turn into an htab.  Make static.
4378         (som_hash, som_eq): New.
4379         (init_subregs_of_mode, record_subregs_of_mode): New.
4380         (cannot_change_mode_set_regs): Rewrite for htab implementation.
4381         (invalid_mode_change_p): Likewise.
4382         * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
4383         * flow.c (mark_used_regs): Likewise.
4384         (life_analysis): Use init_subregs_of_mode.
4385         * regs.h (subregs_of_mode): Remove.
4386         * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.
4387
4388 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
4389
4390         * tree-ssa-phiopt.c (conditional_replacement): Use the correct
4391         type with the copy of the conditional.
4392
4393 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
4394
4395         PR tree-opt/16954
4396         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4397         Prevent renaming if the aliasing sets of the type which the
4398         pointer points to are different.
4399
4400 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4401
4402         PR c/17188
4403         * c-decl.c (diagnose_mismatched_decls): Check for duplicate
4404         declarations of enumerators.
4405         (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
4406         for redefinition.  Check for nested redefinition.
4407         (finish_struct): Don't check for nested redefinition.
4408         (start_enum): Check for nested redefinition.
4409
4410 2004-09-24  Devang Patel  <dpatel@apple.com>
4411
4412         * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
4413         only when necesssary.
4414         (combine_blocks): Combine loop header and exit block.
4415
4416 2004-09-24  Paolo Bonzini  <bonzini@gnu.org>
4417
4418         * hooks.c (hook_tree_tree_bool_null): New.
4419         * hooks.h (hook_tree_tree_bool_null): Declare it.
4420         * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
4421         * targhooks.c (default_fold_builtin): Remove.
4422         * targhooks.h (default_fold_builtin): Remove.
4423
4424 2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4425
4426         PR rtl-optimization/17625
4427         * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.
4428
4429 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
4430
4431         PR tree-opt/17624
4432         * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
4433         Reject if any of the operands occur in an abnormal PHI.
4434
4435 2004-09-24  Andreas Schwab  <schwab@suse.de>
4436
4437         * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
4438         rules.
4439
4440 2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4441
4442         * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
4443         if the GNU assembler is used.
4444         (sparc-*-solaris2*): Likewise.
4445         * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
4446         (dbxout_function_end): Protect N_ENSYM with it.
4447         (dbxout_begin_prologue): Protect N_BNSYM with it.
4448         * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
4449         * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
4450         * config/sparc/sol2-gas.h: New file.
4451
4452 2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>
4453
4454         PR bootstrap/17369
4455         * Makefile.in (@set_gcc_lib_path@): Added.
4456
4457         * configure.ac: Include ../config/gcc-lib-path.m4. Use
4458         TL_AC_GNU_MAKE_GCC_LIB_PATH.
4459         * configure: Regenerated.
4460
4461 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4462
4463         PR c/6980
4464         * c-typeck.c (build_c_cast): Improve wording of
4465         -Wbad-function-cast diagnostic.
4466
4467 2004-09-23  Hans-Peter Nilsson  <hp@axis.com>
4468
4469         PR target/17626
4470         * config/cris/cris.md (moverside, movemside): Rename variable
4471         "reg" to "otherop".  To generate canonical RTX, check that otherop
4472         isn't constant instead of checking that operand 1 is a register.
4473
4474 2004-09-23  Jakub Jelinek  <jakub@redhat.com>
4475
4476         * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
4477
4478 2004-09-23  Diego Novillo  <dnovillo@redhat.com>
4479             Jakub Jelinek  <jakub@redhat.com>
4480
4481         * tree-flow.h (find_new_referenced_vars): Add prototype.
4482         * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
4483         Move to...
4484         * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
4485         ... here.
4486         (mark_new_vars_to_rename): Walk through all operands.
4487         * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
4488         (execute_fold_all_builtins): Use it.
4489         (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.
4490
4491 2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>
4492
4493         * gthr-tpf.h: New file.
4494         * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
4495         * gthr.h: Use gthr-tpf.h on TPF OS.
4496
4497 2004-09-23 Jeff Law  <law@redhat.com>
4498
4499         * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
4500         than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
4501         (substitute_and_fold):  Likewise.
4502         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
4503         except invariants from SSA_NAME_VALUE.
4504         (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
4505         and SET_SSA_NAME_EQUIV.
4506         (restore_vars_to_original_value, record_const_or_copy): Likewise.
4507         (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
4508         (record_equality, cprop_into_successor_phis): Likewise.
4509         (record_equivalences_from_stmt, cprop_operand): Likewise.
4510         (lookup_avail_expr): Likewise.
4511         * tree-ssa-pre.c (fini_pre): Remove everything except invariants
4512         from SSA_NAME_VALUE.
4513         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
4514         (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
4515         annotation from the VALUE_HANDLE field.
4516
4517 2004-09-21 Fariborz Jahanian <fjahanian@apple.com>
4518
4519         PR c++/13989
4520         PR c++/9844
4521         * tree.c (reconstruct_complex_type): Remove extra "this".
4522         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
4523         Add V4SFmode to case statement.
4524
4525 2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>
4526
4527         PR c/16833
4528         * doc/extend.texi, doc/invoke.texi: Document interaction of
4529         -fno-builtin with format checks.  Note that built-in functions
4530         have effects beyond generating code that avoids calls to those
4531         functions.
4532
4533 2004-09-23  Frank Ch. Eigler <fche@redhat.com>
4534
4535         PR tree-optimization/17533
4536         * dominance.c (verify_dominators): Tolerate even more incorrect
4537         dominance data during error message printing.
4538         * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
4539         and edges more correctly.
4540
4541 2004-09-23  Dorit Naishlos <dorit@il.ibm.com>
4542
4543         * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
4544         New tree-codes.
4545         * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
4546         MISALIGNED_INDIRECT_REF.
4547         * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
4548         * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
4549         Likewise.
4550         * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
4551         (find_interesting_uses_address): Likewise.
4552         * fold-const.c (non_lvalue, operand_equal_p): Likewise.
4553         (build_fold_addr_expr_with_type): Likewise.
4554         * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
4555         * print-rtl.c (print_mem_expr): Likewise.
4556         * tree-dump.c (dequeue_and_dump): Likewise.
4557         * tree-eh.c (tree_could_trap_p): Likewise.
4558         * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
4559         * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
4560         * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
4561         Likewise.
4562         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
4563         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4564         * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
4565         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
4566         (add_address_candidates, rewrite_address_base): Likewise.
4567         * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
4568         Likewise.
4569         * tree.c (staticp, build1_stat): Likewise.
4570
4571         * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
4572         * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
4573         * tree-ssa-operands.c (get_expr_operands): Likewise.
4574         * expr.c (expand_expr_real_1): Likewise.
4575
4576         * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
4577         optabs.
4578         (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
4579         for the new optabs.
4580         (expand_ternary_op): New function.
4581         * genopinit.c (optabs): Handle the new optabs.
4582         * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
4583         (init_optabs): Initialize vec_realign_load_optab.
4584         (expand_ternary_op): New functions.
4585
4586         * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
4587         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
4588         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
4589         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
4590         * target.h (struct vectorize): New member for struct gcc_target.
4591         (misaligned_mem_ok): New member for targetm.vectorize.
4592         (builtin_mask_for_load): Likewise.
4593         (builtin_mask_for_store): Likewise.
4594         * targethooks.c (default_vect_misaligned_mem_ok): New function.
4595         * targethooks.h (default_vect_misaligned_mem_ok): New function.
4596
4597         * config/rs6000/altivec.md (build_vector_mask_for_load): New
4598         define_expand.
4599         (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
4600         (vec_realign_load_v16qi): New define_insn.
4601         * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
4602         (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
4603         * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
4604         (altivec_builtin_mask_for_store): New variables.
4605         (rs6000_builtin_mask_for_load): New function. Implements
4606         TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
4607         (rs6000_builtin_mask_for_store): New function. Implements
4608         TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
4609         (rs6000_expand_builtin): Expand the target builtins
4610         builtin_mask_for_load and builtin_mask_for_store.
4611         (altivec_init_builtins): Initialize the new target builtins.
4612         * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
4613         Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.
4614
4615         * tree-vectorizer.c (vect_create_data_ref): Renamed to
4616         vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
4617         (vect_create_addr_base_for_vector_ref): Additional argument (offset).
4618         (vectorizable_store): Call vect_create_data_ref_ptr with additional
4619         arguments, and create an indirect_ref with its return value data_ref.
4620         Check aligned_access_p.
4621         (vectorizable_load): Handle misaligned loads, using software-pipelined
4622         scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
4623         vec_realign_load_optab is supported, or using a scheme without
4624         software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
4625         misaligned_mem_ok is supported.
4626
4627         (vect_finish_stmt_generation): Typo.
4628         (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
4629         (vect_analyze_data_refs_alignment): Don't fail vectorization in the
4630         presence of misaligned loads.
4631         (vect_analyze_data_ref_access): Add check for constant init.
4632         (vect_get_symbl_and_dr): Remove duplicate line.
4633         * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.
4634
4635 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
4636
4637         * builtins.c: Fix a comment typo.
4638
4639 2004-09-23  Jan Hubicka  <jh@suse.cz>
4640
4641         * profile.c (branch_prob): Do not verify flow info in the middle of the
4642         pass.
4643
4644 2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4645
4646         * cfgloop.h (update_single_exits_after_duplication): Declare.
4647         (loopify, split_loop_bb): Declaration changed.
4648         * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
4649         of rtx.
4650         (loopify): Added redirect_all_edges argument.
4651         (update_single_exits_after_duplication): Export.
4652         * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
4653         * tree-flow.h (tree_duplicate_loop_to_header_edge,
4654         tree_ssa_loop_version): Declare.
4655         * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
4656         set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
4657         lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
4658         lv_update_pending_stmts, tree_ssa_loop_version): New functions.
4659
4660         * tree-ssa-loop-unswitch.c: New file.
4661         * Makefile.in (tree-ssa-loop-unswitch.o): Add.
4662         * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
4663         * tree-flow.h (tree_ssa_unswitch_loops): Declare.
4664         * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
4665         * tree-pass.h (pass_unswitch): Declare.
4666         * tree-ssa-loop.c (tree_ssa_loop_unswitch,
4667         gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
4668         * doc/passes.texi: Documen tree level loop unswitching.
4669
4670 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
4671
4672         * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.
4673
4674 2004-09-22  Eric Christopher  <echristo@redhat.com>
4675
4676         * builtins.c (simplify_builtin_va_start): Remove.
4677         (simplify_builtin): Ditto.
4678         (fold_builtin_strchr): Ditto.
4679         (simplify_builtin_*): Rename remainders to fold_builtin_*.
4680         (expand_builtin): Fix up for above changes.
4681         (fold_builtin_1): Add new folders. Change for above.
4682         (expand_builtin_va_start): Call fold_builtin_next_arg.
4683         * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
4684         * tree.h: Remove prototype for simplify_builtin.
4685
4686 2004-09-23  Jan Hubicka  <jh@suse.cz>
4687
4688         PR debug/17389
4689         * dwarf2out.c (dwarf2out_finish): Deal with nested functions
4690         of fully inlined functions.
4691         * tree-inline.c (inline_forbidden_p_1): Nested functions can be
4692         inlined.
4693
4694         * cfgexpand.c (add_reg_br_prob_note): New function.
4695         (expand_gimple_cond_expr): Use it.
4696         (tree_expand_cfg): No longer kill the profile.
4697         * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
4698         only if it is present.
4699         * passes.c (rest_of_handle_loop_optimize): Kill the profile.
4700         * predict.c (combine_predictions_for_insn): Set the probabilities
4701         based on REG_BR_PROB note if present.
4702         * predict.c (branch_prob): Profile is read only with
4703         flag_branch_probabilities.
4704
4705 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
4706
4707         * aclocal.m4: Add in gettext's m4 includes.
4708         (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
4709         * configure.ac: Add in check for iconv.h
4710         * configure: Regenerate.
4711
4712 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
4713
4714         * aclocal.m4: Update for rename of gettext-sister.m4.
4715
4716 2004-09-22  Daniel Berlin <dberlin@dberlin.org>
4717
4718         Fix PR tree-optimization/17587
4719         * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
4720         (insert_aux): Instead of here.
4721
4722 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
4723
4724         PR tree-optimization/16721
4725         * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
4726         * tree-ssa-alias.c (create_memory_tag): Move setting of
4727         TREE_THIS_VOLATILE ...
4728         (get_tmt_for): ... here.
4729
4730 2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4731
4732         * config/sparc/sparc.md (cmove splitter): Fix formatting.
4733         (conditional_trap expander): Reject inappropriate CCmodes.
4734         (conditional trap insn): Use V9 syntax if possible.
4735
4736 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4737
4738         PR c/16566
4739         * c-typeck.c (build_component_ref): Don't special-case
4740         COMPOUND_EXPR.
4741
4742 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
4743
4744         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
4745         returns NULL.
4746
4747 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
4748
4749         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
4750         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4751         TRUTH_XOR_EXPR): Mention the restriction on types.
4752
4753 2004-09-22  Matt Austern  <austern@apple.com>
4754
4755         * config/darwin.c (darwin_make_decl_one_only):
4756         Allow coalesced symbol to appear in static archive's table of contents
4757
4758 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
4759
4760         PR tree-optimization/17512
4761         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
4762         special cases.
4763
4764 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
4765
4766         * dbxout.c (get_lang_number): Do not define if
4767         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
4768
4769 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
4770
4771         PR target/15583
4772         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
4773         builtin_define ("__USE_INIT_FINI__").
4774
4775 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
4776
4777         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
4778         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
4779         * config/s390/s390.h (TARGET_TPF): New macro.
4780         * config/s390/s390.md ("eh_return"): New expander.
4781         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
4782         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
4783         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
4784         * config/s390/tpf.h (TARGET_TPF): Define to 1.
4785         (STACK_POINTER_OFFSET): Increase to 448.
4786         (TARGET_DEFAULT): Set -mtpf-trace on as default.
4787         (TPF_LOC_DIFF_OFFSET): New macro.
4788         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
4789         encoding.
4790         (__isPATrange): Add prototype.
4791         (MD_FALLBACK_FRAME_STATE_FOR): Define.
4792         * config/s390/tpf-eh.c: New file.
4793
4794 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
4795
4796         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
4797         operands in an integer comparison.
4798         * tree-cfg.c (find_taken_edge): Call fold() to determine
4799         whether the predicate is known.
4800
4801 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
4802
4803         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
4804         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
4805         Create build and doc directories along with the language directories.
4806         Don't create doc directory separately.
4807         * configure: Regenerate.
4808         * Makefile.in: Create all object and executables files built
4809         with the build compiler in a build/ directory.
4810         (genobjnames): Add missing build objects.
4811         (STAGESTUFF): Don't stage the gen* programs.
4812         (ggc-none.o): Define dependencies for the target compiler.
4813         (build-print-rtl.o): Rename to build/print-rtl.o.
4814         (build-errors.o): Rename to build/errors.o.
4815         (build-varray.o): Rename to build/varray.o.
4816         (maintainerclean): Delete the contents of the build directory.
4817         ($(genobjs): %.o): Explicitly use -o.
4818         (build/insn-conditions.o): Delete specfic rule to use generic rule.
4819         (build/gengtype-lex.o): Likewise.
4820         (build/gengtype-yacc.o): Likewise.
4821         (build/gcov-iov.o): Likewise.
4822
4823 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
4824
4825         * vec.h (VEC_space): Return true if there _is_ space.
4826         (VEC_reserve): Adjust.
4827
4828 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
4829
4830         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
4831         use FPRs for scalar, complex and vector types only.
4832
4833 2004-09-21 Jeff Law  <law@redhat.com>
4834
4835         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
4836         the opt_stats_d structure.
4837         (vrp_data): Change from a varray into a hash table.
4838         (vrp_hash_elt): New structure for elements in the vrp hash table.
4839         (vrp_hash, vrp_eq):New functions for hashing and testing equality
4840         in the vrp hash table.
4841         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
4842         initialization slightly to make it easier to read.  No longer need
4843         to grow/clear the varray.  Instead empty and delete the hash table.
4844         (dom_opt_finalize_block): Update due to change of VRP_DATA from
4845         a varray to a hash table.
4846         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
4847
4848         * tree-ssa-ccp.c (get_default_value): If we have a constant
4849         value recorded for an SSA_NAME, then use that constant as
4850         the initial lattice value.
4851         (substitute_and_fold): Transfer equivalences discovered into
4852         SSA_NAME_EQUIV.
4853
4854         * tree.h (SSA_NAME_EQUIV): Add comments.
4855         (SET_SSA_NAME_EQUIV): Similarly.
4856
4857 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
4858
4859         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
4860
4861         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
4862
4863 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
4864
4865         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
4866         (finish_decl): Likewise.
4867
4868 2004-09-21  Devang Patel  <dpatel@apple.com>
4869
4870         * tree.def (VEC_COND_EXPR): New tree node.
4871         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
4872
4873 2004-09-21  Stan Shebs  <shebs@apple.com>
4874
4875         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
4876         * config/rs6000/darwin-world.asm: Likewise.
4877
4878 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
4879
4880         * tree-ssa.c (verify_def): Use print_generic_stmt,
4881         not debug_generic_stmt.
4882         (verify_use): Ditto.
4883         (verify_phi_args): Ditto.
4884         (verify_ssa): Ditto.
4885
4886 2004-09-21  Paul Brook  <paul@codesourcery.com>
4887
4888         * varasm.c (default_assemble_integer): Return false for values wider
4889         than the target word size.  Works around GAS bug.
4890
4891 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
4892
4893         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
4894         gets value 0.
4895         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
4896         if it has value 0.
4897
4898 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
4899
4900         * c-typeck.c (build_function_call): Give name of object
4901         we are attempting to call in error message.
4902         * c-objc-common.c (c_tree_printer): Call pp_expression,
4903         not return false, for 'E' case.
4904
4905 2004-09-21  Steven Bosscher  <stevenb@suse.de>
4906
4907         PR rtl-optimization/17482
4908         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
4909         load_killed_in_block_p): Clarify comments.
4910         (record_last_reg_set_info): Make static inline.
4911         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
4912         (record_opr_changes): New function to replace the above.
4913         (compute_hash_table): Clarify comments.  Use record_opr_changes.
4914         (reg_set_between_after_reload_p): Clean up.
4915         (reg_used_between_after_reload_p): Likewise.
4916         (eliminate_partially_redundant_load): Clarify comments.
4917
4918 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4919
4920         PR rtl-optimization/17266
4921         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
4922
4923 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
4924
4925         PR rtl-optimization/14851
4926         * rtlanal.c (commutative_operand_precedence): Calculate
4927         precedence of stripped constant.
4928
4929 2004-09-20 Jeff Law  <law@redhat.com>
4930            Jan Hubicka  <jh@suse.cz>
4931
4932         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
4933         initialize key elements here.
4934         (release_ssa_name): Zero the released SSA_NAME here.
4935         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
4936         (struct tree_ssa_name): Add new "equiv" field.
4937         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
4938         (tree_ssa_dominator_optimize): No longer allocate, resize or
4939         clear CONST_AND_COPIES.
4940         (get_value_for, set_value_for): Kill.
4941         (thread_across_edge): Get/set the equivalency using
4942         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
4943         (restore_vars_to_original_value): Likewise.
4944         (record_equivalences_from_phis): Likewise.
4945         (record_dominating_conditions): Likewise.
4946         (record_const_or_copy, record_equality): Likewise.
4947         (lookup_avail_expr): Likewise.
4948         (record_equivalences_from_stmt, cprop_operand): Likewise.
4949         (cprop_into_successor_phis): No longer need to pass around
4950         CONST_AND_COPIES.  Callers updated. Get equivalences via
4951         SSA_NAME_EQUIV.
4952         (cprop_into_phis): Likewise.
4953
4954 2004-09-20  Matt Austern <austern@apple.com>
4955             Zack Weinberg  <zack@codesourcery.com>
4956
4957         * c-common.c (fix_string_type): Build the unqualified array
4958         type unconditionally, then use c_build_qualified_type to get
4959         the proper const-qualified variant, and set its
4960         TYPE_MAIN_VARIANT to refer to the unqualified type.
4961         * c-lex.c (c_lex_return_raw_string): New global.
4962         (c_lex_with_flags): Honor it.
4963         * c-pragma.h: Declare it.
4964
4965 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
4966
4967         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
4968
4969 2004-09-21  Jan Hubicka  <jh@suse.cz>
4970
4971         PR middle-end/17126
4972         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
4973         (tree_rest_of_compilation): Cleanup.
4974
4975 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
4976
4977         * config/s390/s390.c (s390_select_rtx_section): Remove.
4978         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
4979
4980 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4981
4982         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
4983         note to pretend a direct save from the original register when an
4984         intermediate register is used for the save.
4985
4986 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4987
4988         * tsystem.h (alloca): Provide a default definition.
4989
4990         Revert:
4991         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4992             * unwind-dw2.c: Call __builtin_alloca, not alloca.
4993
4994 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
4995
4996         PR tree-opt/17558
4997         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
4998         aliasing sets are the same rather than just conflicting.
4999
5000 2004-09-20  Jan Hubicka  <jh@suse.cz>
5001
5002         PR middle-end/16460
5003
5004         * cgraph.c (cgraph_unnest_node): New function.
5005         (c_finalize): Rename to ....
5006         (c_warn_unused_result_recursivly): ... this one; do only the warning
5007         (finish_function): Finalize the toplevel function; do not lower nested tree.
5008         * cgraph.h (cgraph_unnest_node): Declare.
5009         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
5010         nestedness datastructure.
5011         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
5012         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
5013         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
5014
5015 2004-09-20  Richard Henderson  <rth@redhat.com>
5016
5017         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
5018         from some_small_symbolic_operand_1; export.
5019         (some_small_symbolic_operand): Remove.
5020         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
5021         extra C check.
5022         * config/alpha/predicates.md (some_small_symbolic_operand): New.
5023
5024 2004-09-20  Jan Hubicka  <jh@suse.cz>
5025
5026         * predict.c (return_prediction): New function.
5027         (apply_return_prediction): Likewise.
5028         (tree_bb_level_predictions): Likewise.
5029         (tree_estimate_probability): Add noreturn exit edges; call
5030         bb_level_predictions; fix logic of return heuristics.
5031         (predict_paths_leading_to):  Rescuesce from old CVS version of
5032         process_note_prediction function.
5033         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
5034
5035 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5036
5037         * config/s390/s390.c (s390_frame_info): Added alignment statement for
5038         floating point register area on stack.
5039
5040 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
5041
5042         * predict.c (expr_expected_value): Use *_CLASS_P macros.
5043
5044 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
5045
5046         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
5047         generating useless garbage.
5048
5049 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
5050
5051         * builtins.c (fold_builtin): Call the new omonymous
5052         target hook for machine-dependent built-ins.
5053         * target-def.h (TARGET_FOLD_BUILTIN): New.
5054         * target.h (struct gcc_target): Add the fold_builtin hook.
5055         * targhooks.c (default_fold_builtin): New.
5056         * targhooks.h (default_fold_builtin): Declare it.
5057
5058 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
5059
5060         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
5061         comment typos.
5062
5063 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
5064
5065         PR target/17565
5066         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
5067
5068 2004-09-20  Jan Hubicka  <jh@suse.cz>
5069
5070         * predict.c (estimate_probability): Remove unnecesary code.
5071
5072 2004-09-19  Ira Rosen  <irar@il.ibm.com>
5073
5074         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
5075         (STMT_VINFO_VECT_DR_BASE): Declare.
5076         (VECT_SMODULO): Declare.
5077         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
5078         (vect_compute_array_base_alignment): New function.
5079         (vect_analyze_data_ref_access): Check array indices. Remove one
5080         dimensional arrays restriction.
5081         (vect_get_ptr_offset): New function.
5082         (vect_get_symbl_and_dr): New function.
5083         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
5084         (former name vect_get_base_decl_and_bit_offset).
5085         (vect_create_index_for_array_ref): Removed.
5086         (vect_create_index_for_vector_ref): New function.
5087         (vect_create_addr_base_for_vector_ref): New function.
5088         (vect_create_data_ref): Handle additional data refs. Call
5089         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
5090         (vect_compute_data_ref_alignment): Support the changes. Call
5091         vect_get_base_and_bit_offset.
5092         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
5093         data refs. Store vect_dr_base.
5094         (vect_analyze_data_ref_accesses): Support nonconstant init.
5095         (new_stmt_vec_info): Initialize vect_dr_base field.
5096         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5097         (get_vectype_for_scalar_type): Check for BLKmode.
5098         * tree-chrec.h (initial_condition_in_loop_num): Declare.
5099         * tree-chrec.c (initial_condition_in_loop_num): New function.
5100         (chrec_component_in_loop_num): New function.
5101         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
5102         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
5103         to be pointer to varray_type.
5104
5105 2004-09-19  Jan Hubicka  <jh@suse.cz>
5106
5107         * basic-block.h (update_bb_profile_after_threading): Declare.
5108         * cfg.c (update_bb_profile_after_threading): Break out from ...
5109         * cfgcleanup.c (try_forward_edges): ... here; use it.
5110         * tree-ssa-dom.c (thread_across_edge): Use it.
5111         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
5112         profile of the new BB.
5113
5114 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
5115
5116         * tree-ssa-pre.c (insert_into_set): Don't put
5117         is_gimple_min_invariant values into the set.
5118
5119 2004-09-19  Andreas Jaeger  <aj@suse.de>
5120
5121         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
5122         prototype.
5123
5124 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
5125
5126         * config/cris/cris.h: Preserve the original spelling in a
5127         quote.
5128
5129 2004-09-18 Jeff Law  <law@redhat.com>
5130
5131         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
5132         global varrays to replace the block local varrays.
5133         (struct dom_walk_block_data): Remove, no longer used.
5134         (get_eq_expr_value): No longer need to pass around pointers to local
5135         varrays.  Callers updated.  Unused markers added to unused parameters.
5136         (record_range, record_equivalences_from_stmt): Likewise.
5137         (record_equivalences_from_incoming_edge): Likewise.
5138         (record_var_is_nonzero): Likewise.  Update now that we have a
5139         single global varray of SSA_NAMEs that need restoring.
5140         (dom_opt_initialize_block_local_data): Kill, no longer used.
5141         (tree_ssa_dominator_optimize): Initialize new global varrays.
5142         Update callbacks in dominator walker structure.
5143         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
5144         VRP_VARIABLES_STACK.
5145         (restore_nonzero_vars_to_original_value): Update now that we have
5146         a single global varray of SSA_NAMEs that need restoring.
5147         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
5148         Remove unused variables.
5149         (optimize_stmt): Remove unused variable.
5150
5151 2004-09-18  Jan Hubicka  <jh@suse.cz>
5152
5153         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
5154
5155         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
5156         verify_cgraph call.
5157
5158 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
5159
5160         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
5161         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
5162         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
5163         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
5164         tree-ssa-operands.c, tree-ssa-phiopt.c,
5165         tree-ssa-threadupdate.c: Fix comment typos.
5166
5167 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
5168
5169         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
5170         config/arm/README-interworking, config/arm/arm-cores.def,
5171         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
5172         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
5173         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
5174         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
5175         config/frv/frv.md, config/i386/winnt.c,
5176         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
5177         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
5178         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
5179         config/mcore/mcore.c, config/mips/mips.h,
5180         config/mn10300/mn10300.md, config/pa/pa.c,
5181         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
5182         config/rs6000/rs6000.c, config/sh/symbian.c,
5183         config/sparc/sparc.h: Fix comment typos.  Follow spelling
5184         conventions.
5185
5186 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
5187
5188         PR c/17424
5189         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
5190
5191 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
5192
5193         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
5194         remove TREE_ADDRESSABLE from RESULT_DECL.
5195
5196 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
5197
5198         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
5199
5200 2004-09-18  Jan Hubicka  <jh@suse.cz>
5201
5202         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
5203         NULL.
5204         * tree-ssa-alias.c (init_alias_info): Likewise.
5205         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
5206         (verify_ssa): Likewise.
5207         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
5208
5209 2004-09-18  Jan Hubicka  <jh@suse.cz>
5210
5211         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
5212         huge offset.
5213
5214 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
5215
5216         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
5217         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5218         DW_EH_PE_sdata* for data.
5219         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
5220
5221 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
5222
5223         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
5224         shared anyway.
5225
5226         PR pch/13361
5227         * c-typeck.c (constructor_asmspec): Delete.
5228         (struct initializer_stack): Delete field 'asmspec'.
5229         (start_init): Delete saving of asmspec.
5230         (finish_init): Don't update constructor_asmspec.
5231         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
5232         * stmt.c (expand_asm): Duplicate strings from tree.
5233         (expand_asm_operands): Likewise.
5234         * tree.c (tree_size): Update computation of size of STRING_CST.
5235         (make_node): Don't make STRING_CST nodes.
5236         (build_string): Allocate string with tree node.
5237         (tree_code_size): Clean up assertions, don't allow requests
5238         for "the size of a STRING_CST".
5239         * tree.def (STRING_CST): Update comment.
5240         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
5241         (tree_string): Place contents of string in tree node.
5242         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
5243         from tree.
5244
5245 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
5246
5247         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
5248         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
5249
5250 2004-09-17  Jones Desougi  <jones@ingate.com>
5251
5252         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
5253         * configure, config.in: Regenerate.
5254
5255 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
5256
5257         * tree.c, tree.h (tree_class_strings): Make array const.
5258         Reindent per coding convention.  Move asterisk to proper place
5259         per coding convention.
5260
5261 2004-09-18  Andreas Schwab  <schwab@suse.de>
5262
5263         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
5264         (tree-vectorizer.o): Likewise.
5265         (targhooks.o): Likewise.
5266
5267 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
5268             Zack Weinberg  <zack@codesourcery.com>
5269
5270         * alias.c (find_base_decl): Remove unreachable case '3' block.
5271         * expr.c (safe_from_p): Abort if passed a type.
5272         * tree-gimple.c (recalculate_side_effects): Abort if passed
5273         anything other than an expression.
5274         * tree-ssa-pre.c (phi_translate): Return expr immediately if
5275         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
5276         Abort on un-handled tree classes.
5277         (valid_in_set): Likewise.
5278         * tree.c (tree_code_class_strings): New static data.
5279
5280         * tree.h (enum tree_code_class): New.
5281         (tree_code_class_strings): Declare.
5282         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
5283         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
5284         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
5285         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
5286         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
5287
5288         * tree.def, c-common.def, objc/objc-tree.def: Use
5289         tree_code_class enumeration constants instead of code letters.
5290
5291         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
5292         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
5293         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
5294         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
5295         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
5296         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
5297         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
5298         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
5299         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
5300         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
5301         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
5302         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
5303         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
5304         Update to match.
5305
5306         * LANGUAGES: Add note about change.
5307
5308 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
5309
5310         PR tree-optimization/17319
5311         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
5312         examine pointers on the LHS of an assignment.
5313         (collect_points_to_info_r): Handle RETURN_EXPR.
5314
5315 2004-09-17 Jeff Law  <law@redhat.com>
5316
5317         * tree-ssa-dom.c (const_and_copies_stack): New.
5318         (dom_walk_block_data): Remove const_and_copies field.
5319         (record_const_or_copy): No longer need to pass in varray_type *.
5320         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
5321         Callers updated.
5322         (record_equality): Similarly.
5323         (restore_vars_to_original_value): Similarly.  Revamp to use new
5324         single global stack rather than per-block stacks.
5325         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
5326         (thread_across_edge): Remove now unused parameters.
5327         (dom_opt_initialize_block_local_data): No longer test the block
5328         local CONST_AND_COPIES.
5329         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
5330
5331 2004-09-17  Jan Hubicka  <jh@suse.cz>
5332
5333         PR tree-optimization/17509
5334         * tree-optimize.c (update_inlined_to_pointers): New function.
5335         (tree_rest_of_compilation): Use it.
5336
5337 2004-09-17  Devang Patel  <dpatel@apple.com>
5338
5339         * dbxout.c (get_lang_number): New.
5340         (dbxout_init): Include lang number in N_SO  stab.
5341         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
5342         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
5343
5344 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
5345
5346         PR tree-optimization/17273
5347         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
5348         replacement is a constant.
5349
5350 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
5351
5352         * c-tree.h (enum c_typespec_keyword): New.
5353         (struct c_declspecs): Adjust description of "type".  Remove
5354         specbits, explicit_int_p and explicit_char_p.  Rename
5355         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
5356         short_p, signed_p, unsigned_p and complex_p.
5357         (finish_declspecs): New.
5358         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
5359         typename): Call finish_declspecs.
5360         * c-decl.c (finish_declspecs): New.
5361         (declspecs_add_type): Check for combinations which cannot occur in
5362         valid specifier lists.  Update comments.
5363         (shadow_tag_warned): Remove checks done in finish_declspecs.
5364         Don't report useless type name if type defaulted to int.
5365         (grokdeclarator): Remove checks and actions done in
5366         finish_declspecs.  Don't allow for type being NULL.  Update for
5367         datastructures changes.  Initialize decl_attr.
5368         (build_null_declspecs, quals_from_declspecs): Update for
5369         datastructures changes.
5370
5371 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
5372
5373         * doc/extend.texi: Fix duplicated word.
5374
5375 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
5376
5377         * doc/invoke.texi: Remove stray explanation on
5378         -freduce-all-givs and -fmove-all-movables.
5379
5380 2004-09-17  James Morrison  <phython@gcc.gnu.org>
5381
5382         * doc/cfg.texi: Use @smallexample.
5383         * doc/md.texi: Likewise.
5384         * doc/tree-ssa.texi: Likewise.
5385         * doc/extend.texi: Likewise.  Use @r{} in comments.
5386         * doc/trouble.texi: Use @r{} in comments.
5387
5388 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
5389
5390         * configure.ac (gcc_cv_gld_version): Handle whitespace before
5391         "VERSION=".
5392         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
5393         * configure: Regenerate.
5394
5395 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
5396
5397         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
5398         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
5399         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
5400         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
5401         slashes in substitutions.
5402         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
5403
5404 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
5405
5406         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
5407         gimplify.c, lambda-code.c, optabs.c, predict.c,
5408         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
5409         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
5410         conventions.
5411
5412 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
5413
5414         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
5415         doc/extend.texi, doc/install.texi, doc/invoke.texi,
5416         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
5417         doc/trouble.texi: Use @option around options.
5418
5419 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
5420
5421         * Makefile.in (gen-protos.o): Depend on errors.h.
5422
5423 2004-09-17  Steven Bosscher  <stevenb@suse.de>
5424
5425         PR tree-optimization/17513
5426         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
5427         for successors of the entry block.
5428
5429 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
5430
5431         PR rtl-optimization/15187
5432         * ifcvt.c (noce_try_cmove_arith): Exit early if total
5433         insn_rtx_cost of both branches > BRANCH_COST
5434
5435 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
5436
5437         PR tree-optimization/17528
5438         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
5439         erase the may-alias set for a tag when merging it with
5440         another.
5441
5442 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5443
5444         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
5445         for 32-bit TARGET_SHMEDIA.
5446         (call_value): Likewise.
5447
5448 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
5449
5450         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
5451         test apply only to TREE_STATIC and DECL_EXTERNAL.
5452
5453 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5454
5455         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
5456         * basic-block.h (get_dominated_by_region): Declare.
5457         * dominance.c (get_dominated_by_region): New function.
5458         * tree-cfg.c: Include cfglayout.h.
5459         (tree_duplicate_bb): Duplicate also phi nodes.
5460         (struct ssa_name_map_entry): New type.
5461         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
5462         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
5463         allocate_ssa_names, rewrite_to_new_ssa_names_def,
5464         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
5465         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
5466         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
5467         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
5468         rewrite_to_new_ssa_names, allocate_ssa_names,
5469         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
5470         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
5471         (copy_loop_headers): Use tree_duplicate_sese_region.
5472
5473 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
5474
5475         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
5476
5477 2004-09-16 Jeff Law  <law@redhat.com>
5478
5479         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
5480         (rewrite_block_data): Remove, no longer used.
5481         (rewrite_initialize_block_local_data): Remove, no longer used.
5482         (rewrite_initialize_block): Mark parameters as unused as needed.
5483         Change references to the block local block_defs to be block_defs_stack.
5484         Push a marker onto the block_defs_stack.
5485         (ssa_rewrite_initialize_block): Similarly.
5486         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
5487         (ssa_register_new_def): No longer needs varray argument.  Use
5488         block_defs_stack instead.  No longer handle possibly null block_defs
5489         varray.  Reverse order of items we push on the stack to make it
5490         easier to identify our marker.
5491         (register_new_def): No longer handle possibly null block_defs
5492         varray.
5493         (rewrite_finalize_block): Revamp to look for markers in the global
5494         block_defs_stack varray rather than wiping a block local varray.
5495         Mark arguments as unused as needed.
5496         (ssa_rewrite_finalize_block): Similarly.
5497         (rewrite_into_ssa): Update initialization of dom walker structure
5498         to reflect that we don't need block local data anymore.  Initialize
5499         the block_defs_stack varray.
5500         (rewrite_ssa_into_ssa): Similarly.
5501         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
5502         (struct dom_walk_data): Kill block_defs field.
5503         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
5504         (thread_across_edge): Use the global block_defs_stack instead of
5505         the old block_defs varray.
5506         (dom_opt_initialize_block_local_data): Update now that we don't have
5507         block_defs field to check anymore.
5508         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
5509         (restore_currdefs_to_original_value): Use the new block_defs_stack
5510         instead of a block local varray.
5511         (dom_opt_finalize_block): Similarly.
5512         (record_equivalencs_from_phis): Similarly.
5513         (optimize_stmt, register_definitions_for_stmt): Similarly.
5514
5515 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
5516
5517         PR tree-optimization/17517
5518         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5519         coalesce same-root variables without checking for abnormal PHI usage.
5520
5521 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
5522
5523         * cfgloop.h (duplicate_loop):  Add prototype.
5524         * cfgloopmanip.c (duplicate_loop): Make non-static.
5525         * lambda-code.c (perfect_nestify): Factor out test whether
5526         we can handle this loop into separate function.
5527         Call it.
5528         (can_convert_to_perfect_nest): New function.
5529         (replace_uses_of_x_with_y): Add modify_stmt call.
5530         * tree-loop-linear.c (linear_transform_loops): Call
5531         rewrite_into_loop_closed_ssa and free_df.
5532
5533 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
5534
5535         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
5536         loop invariant as well.
5537         (perfect_nestify): new function.
5538         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
5539         upper bounds, and steps.
5540         Set outerinductionvar properly.
5541         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
5542         parameters.
5543         Return NULL if we need a perfect loop and can't make one.
5544         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
5545         (not_interesting_stmt): New function.
5546         (phi_loop_edge_uses_def): Ditto.
5547         (stmt_uses_phi_result): Ditto.
5548         (stmt_is_bumper_for_loop): Ditto.
5549         (perfect_nest_p): Ditto.
5550         (nestify_update_pending_stmts): Ditto.
5551         (replace_uses_of_x_with_y): Ditto.
5552         (stmt_uses_op): Ditto.
5553         (perfect_nestify): Ditto.
5554         * lambda-mat.c (lambda_matrix_id_p): New function.
5555         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
5556         * lambda.h: Update prototypes.
5557         * tree-loop-linear (linear_transform_loop): Use new
5558         perfect_nest_p. Detect and ignore identity transform.
5559         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
5560
5561 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
5562
5563         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
5564         Gather also strides of accessed data.  Pass in the data references
5565         array.
5566         (try_interchange_loops): Add a new heuristic for handling the temporal
5567         locality.  Pass in the data references array.
5568         (linear_transform_loops): Pass the data references array to
5569         try_interchange_loops.
5570
5571 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
5572
5573         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
5574
5575 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
5576
5577         * doc/c-tree.texi (Classes): Remove index entries for
5578         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
5579
5580 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5581
5582         * fold-const.c (fold): Fold difference of addresses.
5583         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
5584         get_inner_reference.
5585         * tree-ssa-loop-ivopts.c (peel_address): Removed.
5586         (ptr_difference_const): Moved to fold-const.c.
5587         (split_address_cost): Use get_inner_reference instead of peel_address.
5588         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
5589         * tree.h (ptr_difference_const): Export.
5590
5591         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
5592         variable type to the dump.  Fix indentation.
5593         (idx_find_step): Handle nonconstant array_ref_element_size and
5594         array_ref_low_bound.
5595         (idx_record_use): Handle array_ref_element_size and
5596         array_ref_low_bound.
5597         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
5598         statements correctly.
5599         (get_computation_at, iv_value): Do not unshare expressions here.
5600         (rewrite_use_outer): Unshare the expression before it is emitted
5601         to code.
5602         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
5603         Moved to tree.c.
5604         * tree.c (unsigned_type_for, signed_type_for): Moved from
5605         tree-ssa-loop-niter.c.  Use langhooks.
5606         * tree.h (signed_type_for): Export.
5607
5608 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
5609
5610         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
5611         prototype.
5612
5613 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
5614
5615         PR target/11572
5616         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
5617         Add two parameters to extra_includes.
5618         (C_INCPATH_INIT): Remove.
5619         * c-incpath.c (register_include_chains): Call extra_pre_includes
5620         before adding the standard include directory.
5621         Update call to extra_includes.
5622         (!defined TARGET_EXTRA_INCLUDES): Update
5623         hook_void_charptr_charptr_int and add !define
5624         TARGET_EXTRA_PRE_INCLUDES.
5625         (!define TARGET_EXTRA_INCLUDES): Define as
5626         hook_void_charptr_charptr_int.
5627         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
5628         (target_c_incpath): Always declare.
5629         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
5630         empty function.
5631         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
5632         * config/darwin.h: (darwin_register_frameworks): Update for
5633         the two new parameters.
5634         (darwin_register_objc_includes): Add prototype.
5635         (TARGET_EXTRA_PRE_INCLUDES): Define.
5636         * config/darwin-c.c (darwin_register_objc_includes): New function.
5637         (darwin_register_frameworks): Update for the two new parameters.
5638         (target_c_incpath): Remove.
5639         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
5640         the compile line.
5641         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
5642         parameters.
5643         (TARGET_EXTRA_PRE_INCLUDES): Document.
5644
5645         * gcc.c (spec_function): Add replace-outfile.
5646         (replace_outfile_spec_function): New function.
5647         * config/darwin.h (LINK_SPEC): Add replace
5648         -lobjc with -lobjc-gnu if -fgnu-runtime is
5649         supplied.
5650         * invoke.texi (replace-outfile): Document.
5651
5652 2004-09-13  Jan Hubicka  <jh@suse.cz>
5653
5654         * predict.c (expr_expected_value, strip_builtin_expect): New function.
5655         (tree_predict_by_opcode): Use it.
5656         (tree_estimate_probability): Add, for now disabled,
5657         strip_builtin_expect call.
5658
5659 2004-09-15  James E Wilson  <wilson@specifixinc.com>
5660
5661         PR target/17455
5662         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
5663         if current_function_decl is a sibcall.
5664
5665 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
5666
5667         * varasm.c (default_function_rdodata_section): Make sure to pass
5668         along a decl for a link-once section.
5669
5670 2004-09-15  Richard Henderson  <rth@redhat.com>
5671
5672         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
5673         warning with code disable.  Fix formatting.
5674
5675 2004-09-15  Steven Bosscher  <stevenb@suse.de>
5676
5677         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
5678         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
5679         after propagating into an ADDR_EXPR.
5680
5681 2004-09-15  Andrew Pinski  <apinski@apple.com>
5682
5683         PR rtl-opt/17427
5684         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
5685         Move it out of gcc_assert.
5686
5687 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
5688
5689         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
5690         except.c, fold-const.c, function.c, langhooks.c, params.c,
5691         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
5692         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
5693         for quoting in diagnostics going through pretty-print.c.  Use ''
5694         for quoting in other diagnostic text.
5695         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
5696         translation.
5697         * Makefile.in (langhooks.o): Update dependencies.
5698         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
5699         formats.
5700
5701 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
5702
5703         * configure.ac: Check for COMDAT support.  Robustify check for
5704         SHF_MERGE support.
5705         * configure: Regenerated.
5706         * config.in: Likewise.
5707         * langhooks-def.h (lhd_comdat_group): New function.
5708         (LANG_HOOKS_COMDAT_GROUP): New macro.
5709         (LANG_HOOKS_DECLS): Use it.
5710         * langhooks.c (lhd_comdat_group): Define.
5711         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
5712         * output.h (named_section_flags): Make it a macro.
5713         (named_section_real): New function.
5714         (default_no_named_section): Add decl parameter.
5715         (default_elf_asm_named_section): Likewise.
5716         (default_coff_asm_named_section): Likewise.
5717         (default_pe_asm_named_section): Likewise.
5718         * target.h (gcc_target): Adjust type of named_section.
5719         * varasm.c (named_section_flags): Rename to named_section_real.
5720         Add decl parameter.
5721         (default_no_named_section): Add decl parameter.
5722         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
5723         with the case that ASM_COMMENT_START is "@".
5724         (default_coff_asm_named_section): Add decl parameter.
5725         (default_pe_asm_named_section): Likewise.
5726         * config/alpha/alpha.c (vms_asm_named_section): Add decl
5727         parameter.
5728         (unicosmk_asm_named_section): Likewise.
5729         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
5730         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
5731         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
5732         * config/cris/cris-protos.h (cris_target_asm_named_section):
5733         Likewise.
5734         * config/cris/cris.c (cris_target_asm_named_section):
5735         Likewise.
5736         * config/darwin/darwin-protos.h (darwin_asm_named_section):
5737         Likewise.
5738         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
5739         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
5740         * config/i386/i386-protos.h (i386_pe_asm_named_section):
5741         Likewise.
5742         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
5743         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
5744         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
5745         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
5746         Likewise.
5747         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
5748         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
5749         * cp/cp-tree.h (cxx_comdat_group): Declare.
5750         * cp/decl.c (cxx_comdat_group): New function.
5751
5752 2004-09-15  Jan Hubicka  <jh@suse.cz>
5753
5754         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
5755         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
5756
5757         * tree-cfg.c (remove_bb): Release SSA defs.
5758
5759 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
5760
5761         * doc/tm.texi: Follow spelling conventions.
5762
5763 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
5764
5765         * tree-ssa-dom.c: Fix comment typos.
5766
5767 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
5768
5769         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
5770         include ccr.
5771         (ppc_fallback_frame_state): Save location of CR.
5772
5773 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
5774
5775         * expr.c (string_constant): Handle also read-only variables
5776         initialized to string literals.
5777
5778         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
5779         into memcpy (x, y, 1) if memcpy can be expanded inline.
5780
5781 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5782
5783         PR tree-optimization/17468
5784         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
5785         definition inside a block precede uses.
5786         * tree-tailcall.c (adjust_return_value): Emit statements in the
5787         correct order.
5788
5789 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
5790
5791         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
5792
5793 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
5794
5795         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
5796
5797 2004-09-14 Jeff Law  <law@redhat.com>
5798
5799         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
5800         (struct dom_walk_block_data): Remove avail_exprs member.
5801         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
5802         (lookup_avail_expr): No longer need to pass in address of
5803         the block local available exprs stack.  All callers changed.
5804         (simplify_cond_and_lookup_avail_expr): Similarly.
5805         (simplify_switch_and_lookup_avail_expr): Similarly.
5806         (get_eq_expr_value, record_cond): Likewise.
5807         (record_dominating_conditions): Likewise.
5808         (update_rhs_and_lookup_avail_expr): Likewise.
5809         (record_equivalences_from_stmt): Likewise.
5810         (dom_opt_initialize_block_local_data): No longer test state of
5811         block local avail_exprs.
5812         (dom_opt_initialize_block): Mark unwind point in the global
5813         avail_expr stack.
5814         (remove_expressions_from_table): Update to unwind to the
5815         most recent unwind marker in the global avail_expr stack.
5816         All callers changed.
5817         (dom_opt_finalize_block): Mark unwind point in the global
5818         avail_expr stack as needed.
5819         (record_cond): Push elements into the global avail_exprs stack.
5820
5821         * tree-dfa.c (free_df_for_stmt): No longer static.
5822         (free_df): Update comments.
5823         * tree-flow.h (free_df_for_stmt): Prototype.
5824         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
5825         call release_defs.
5826
5827 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
5828
5829         PR tree-optimization/17252
5830         * tree-ssa-alias.c (may_alias_p): Don't assume that a
5831         pointer may not point to itself when using relaxed
5832         aliasing rules.
5833
5834 2004-09-14  Richard Henderson  <rth@redhat.com>
5835
5836         PR middle-end/17397
5837         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
5838         while folding <ADDR_EXPR <INDIRECT_REF X>>.
5839
5840 2004-09-14  Andrew Pinski  <apinski@apple.com>
5841
5842         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
5843         sets of the pointers but the aliasing sets of what they point to.
5844
5845 2004-09-14  Roger Sayle  <roger@eyesopen.com>
5846
5847         PR rtl-optimization/9771
5848         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
5849         conditional compilation in init_reg_sets_1.
5850         (init_reg_sets_1): Let global_regs[i] take priority over the frame
5851         (but not stack) pointer exceptions to regs_invalidated_by_call.
5852         (globalize_reg): Globalizing a fixed register may need to update
5853         regs_invalidated_by_call.
5854
5855 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
5856
5857         PR tree-optimization/15262
5858         * tree-dfa.c (dump_variable): Also print the type of the
5859         variable.
5860         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
5861         memory tags are of conflicting alias sets but have no aliased
5862         symbols in common, add one tag to the alias set of the other.
5863         (setup_pointers_and_addressables): Remove hack to deal with
5864         programs with no aliased symbols.
5865         (may_alias_p): Don't special case aggregate types.
5866
5867 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
5868
5869         PR c/15498
5870         * doc/invoke.texi (Environment Variables): Correct example locale.
5871
5872 2004-09-14  Jan Hubicka  <jh@suse.cz>
5873
5874         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
5875
5876 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
5877
5878         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
5879
5880 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
5881
5882         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
5883         restrict_p.
5884         (struct c_declarator): Change u.array.quals and pointer_quals to
5885         int.  Add u.array.attrs.
5886         (quals_from_declspecs): New.
5887         * c-decl.c (quals_from_declspecs): New.
5888         (shadow_tag_warned): Give more specific message for useless type
5889         qualifiers.
5890         (build_array_declarator, set_array_declarator_inner,
5891         grokdeclarator, make_pointer_declarator, build_null_declspecs,
5892         declspecs_add_qual): Update for changed structures.
5893
5894 2004-09-14  Jeff Law  <law@redhat.com>
5895
5896         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
5897         to a global varray.
5898         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
5899         (dom_opt_initialize_block_local_data): No longer test state
5900         of stmts_to_rescan.
5901         (dom_opt_finalize_block): Update due to change in scope of
5902         stmts_to_rescan.
5903         (optimize_stmt): Similarly.
5904
5905 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
5906
5907         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
5908         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
5909         comment typos.  Follow spelling conventions.
5910
5911 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
5912
5913         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
5914         config/i386/predicates.md, config/sparc/sparc.c: Follow
5915         spelling conventions.
5916
5917 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5918             Steven Bosscher  <stevenb@suse.de>
5919
5920         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
5921         * basic-block.h (struct reorder_block_def): Add copy_number field.
5922         * cfgloop.h (biv_p): Declare.
5923         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
5924         * common.opt (fsplit-ivs-in-unroller): New flag.
5925         * loop-iv.c (biv_p): New function.
5926         * loop-unroll.c: Include hashtab.h and recog.h.
5927         (struct iv_to_split, struct split_ivs_info): New types.
5928         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
5929         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
5930         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
5931         insert_base_initialization, split_iv): New functions.
5932         (peel_loop_completely, unroll_loop_constant_iterations,
5933         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
5934         Use them.
5935         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
5936
5937 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5938
5939         * tree-cfg.c (thread_jumps): Update dominators correctly in
5940         case destination of threaded edge dominates its source.
5941
5942 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5943
5944         * unroll.c: Removed.
5945         * loop.h: Removed.
5946         * Makefile.in (LOOP_H, unroll.o): Removed.
5947         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
5948         dependency.
5949         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
5950         reference.
5951         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
5952         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
5953         * loop.c: Do not include loop.h.
5954         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
5955         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
5956         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
5957         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
5958         struct loop_regs, struct loop_movables, struct loop_info): Moved
5959         from loop.h.
5960         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
5961         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
5962         find_common_reg_term, loop_iterations, final_giv_value): Moved
5963         from unroll.c.
5964         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
5965         loop_dump_stream, for_each_insn_in_loop, express_from,
5966         extend_value_for_giv, loop_iv_add_mult_emit_before,
5967         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
5968         loop_insn_first_p, get_condition_for_loop,
5969         loop_insn_emit_before, loop_insn_hoist,
5970         loop_insn_sink): Made static.
5971         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
5972         reference.
5973         (strength_reduce): Do not call unroller.
5974         (record_giv): Do not initialize unrolled field.
5975         (prescan_loop): Do not set loop_info->preconditioned.
5976         * passes.c: Do not include loop.h.
5977         (rest_of_handle_loop_optimize): Do not call unroller.
5978         * predict.c: Do not include loop.h.
5979         * rtl.h (NOTE_PRECONDITIONED): Removed.
5980         * stmt.c: Do not include loop.h.
5981         * toplev.c: Do not include loop.h.
5982         (process_options): Do not handle flag_old_unroll_loops.
5983
5984         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
5985         Documentation removed.
5986         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
5987
5988 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
5989
5990         * Makefile.in (STAGE1_CHECKING): New variable.
5991         (stage1_build): Use it.
5992         * tree-ssa.c (verify_ssa): Preserve state of dominance
5993         information.
5994
5995 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
5996
5997         * config/i386/i386.c (output_fp_compare): Add generation
5998         of ftst instruction.
5999         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
6000         Use output_fp_compare () function.
6001         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
6002         (fix_truncdi_memory): Remove operands[5] copy.
6003
6004 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
6005
6006         * config/m32r/m32r.md, config/m68k/m68kelf.h,
6007         config/mcore/mcore.md, config/rs6000/linux64.h,
6008         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
6009         typos.
6010
6011 2004-09-13  James E Wilson  <wilson@specifixinc.com>
6012
6013         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
6014         * gen-protos.c: Include errors.h.
6015         (progname): Delete.
6016
6017 2004-09-14  Jan Hubicka  <jh@suse.cz>
6018
6019         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
6020         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
6021         (predict_loops): Use number_of_iterations_exit to predict
6022         number of iterations on trees.
6023
6024 2004-09-13  Dale Johannesen  <dalej@apple.com>
6025
6026         PR 17408
6027         PR 17409
6028         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
6029         objects declared extern.
6030
6031 2004-09-14  Paul Brook  <paul@codesourcery.com>
6032
6033         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
6034         HOST_WIDE_INT.
6035
6036 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
6037
6038         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
6039         Only use TYPE_BINFO for aggregates.
6040
6041 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
6042
6043         * expmed.c (synth_mult): Initialize latency.  Check cost before
6044         checking ops count.
6045
6046 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
6047
6048         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
6049         add_call_clobber_ops and add_call_read_ops.
6050         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
6051         the number of vdefs and vuses inserted based on analysis of global
6052         variables across calls.  * tree-dfa.c (find_referenced_vars):
6053         Needed to reset static var maps before each function is compiled.
6054         * cgraphunit.c:
6055         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
6056         static_vars_info,functions_to_static_vars_info,module_statics_escape,
6057         all_module_statics,searchc_env,dfs_info): New fields to support
6058         analysis of static global variables.
6059         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
6060         cgraph_reset_static_var_maps, get_global_static_vars_info,
6061         get_global_statics_not_read, get_global_statics_not_written,
6062         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
6063         check_rhs_var, check_lhs_var, get_asm_expr_operands,
6064         process_call_for_static_vars, scan_for_static_refs,
6065         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
6066         clear_static_vars_maps, cgraph_propagate_bits,
6067         cgraph_characterize_statics): New. Functions to support analysis
6068         of static global variables.
6069         (cgraph_mark_local_and_external_functions): Renamed from:
6070         (cgraph_mark_local_functions)
6071         (cgraph_expand_all_functions): Remove call to
6072         cgraph_mark_local_and_external_functions.
6073         (cgraph_optimize): Added driver to analyze static variables whose
6074         scope is within the compilation unit.  * cgraph.h (struct
6075         cgraph_local_info, GTY): Added statics_read, statics_written,
6076         local, calls_read_all, calls_write_all, for_functions_valid.
6077         (struct cgraph_node): Added next_cycle.  * cgraph.c
6078         (dump_cgraph_node): Added print routines for new fields.  *
6079         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
6080         list.
6081
6082 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
6083
6084         * c-decl.c (grokdeclarator): Correct comments about where storage
6085         class specifiers are rejected by grammar and add corresponding
6086         asserts.  Diagnose typedefs and parameters declared inline.
6087         Change warning for inline main to a pedwarn.  Only diagnose inline
6088         main if hosted.
6089         (declspecs_add_scspec): Allow duplicate "inline".
6090
6091 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
6092
6093         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
6094         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
6095
6096 2004-09-13  Richard Henderson  <rth@redhat.com>
6097
6098         PR 17436
6099         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
6100         (tree_type): Replace spare with contains_placeholder_bits.
6101         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
6102         make static.  Remove seen_types list.
6103         (type_contains_placeholder_p): New.
6104
6105 2004-09-13  James E Wilson  <wilson@specifixinc.com>
6106
6107         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
6108         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
6109         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
6110         bdesc_arrays instead of mips_bdesc.
6111         (mips_init_builtins): Likewise.
6112         * config/mips/mips.h (TARGET_SB1): New.
6113         (HAVE_SQRT_P): Delete.
6114         * config/mips/mips.md (divide_condition): Support V2SF.
6115         (sqrt_condition, recip_condition): New.
6116         (div<mode>3): Use ANYF instead of SCALARF.
6117         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
6118         MODE.
6119         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
6120         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
6121         instead of MODE.
6122         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
6123         instead of SCALARF.  Use UNITMODE instead of MODE.
6124
6125 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
6126
6127         * config.in: Regenerate after removal of libbanshee.
6128
6129 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
6130
6131         PR tree-optimization/17400
6132         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
6133         coalesce partitions when one occurs in an abnormal PHI.
6134
6135 2004-09-13  Andrew Pinski  <apinski@apple.com>
6136
6137         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
6138         name to _new_size.
6139
6140 2004-09-13  Richard Henderson  <rth@redhat.com>
6141
6142         PR inline-asm/6806
6143         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
6144         (cselib_invalidate_rtx_note_stores): New.
6145         (cselib_record_sets, cselib_process_insn): Update to match.
6146         * cselib.h (cselib_invalidate_rtx): Declare.
6147         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
6148
6149 2004-09-13  Richard Henderson  <rth@redhat.com>
6150
6151         PR tree-opt/10528
6152         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
6153         after copying its argument.
6154
6155 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
6156
6157         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
6158         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
6159         in diagnostics.  Use %' for English apostrophes.
6160         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
6161         (pedwarn_c90, pedwarn_c99): Use it.
6162         * c-decl.c (lookup_label): Quote label name in diagnostic.
6163         * c-parse.in (yyprint): Use ' instead of ` for left quote.
6164         * c-typeck.c (warn_for_assignment): Likewise.
6165
6166 2004-09-13  Jan Hubicka  <jh@suse.cz>
6167
6168         * i386.c (x86_schedule): New global variable.
6169         (override_options): Disable scheduling when not supported.
6170         * i386.h (x86_schedule): Declare.
6171         (TARGET_SCHEDULE): New macro.
6172
6173 2004-09-12  Richard Henderson  <rth@redhat.com>
6174
6175         PR c++/16254
6176         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
6177         * tree.c, tree.h (has_cleanups): Remove.
6178
6179 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6180
6181         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
6182         arguments of the phi nodes correctly.
6183
6184 2004-09-12  Jan Hubicka  <jh@suse.cz>
6185
6186         * ggc-common.c (cmp_statistics): Fix sorting.
6187
6188 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
6189
6190         PR target/16795
6191         * expmed.c (expand_divmod): If cheap power of 2 divide is
6192         available, use it for negative constant as well.
6193
6194 2004-09-12  Andrew Pinski  <apinski@apple.com>
6195
6196         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
6197         size of 0.
6198
6199         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
6200
6201 2004-09-12  Richard Henderson  <rth@redhat.com>
6202
6203         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
6204         or minus one.
6205         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
6206         post-reload, and scratch NULL.
6207         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
6208         (x86_shift_adj_2): Use ix86_expand_clear.
6209         (ashldi3): Remove CMOVE expansion difference.
6210         (ashldi3_1): Remove.
6211         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
6212         add constraints for immediates.  New peephole for split-with-temp.
6213         Run splitter after peep2 pass.
6214         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
6215         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
6216         (setcc_2): Rename with *.
6217         * config/i386/predicates.md (reg_or_pm1_operand): New.
6218         (ashldi_input_operand): New.
6219
6220 2004-09-12  Richard Henderson  <rth@redhat.com
6221
6222         * print-rtl.c (print_decl_name): New.
6223         (print_mem_expr): Use it.
6224
6225 2004-09-12  Richard Henderson  <rth@redhat.com
6226
6227         PR 17186, part deux
6228         * except.c (sjlj_emit_function_exit): Fix logic locating
6229         sjlj_exit_after in final block.
6230
6231 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
6232
6233         * common.opt: Remove flags -fmove-all-movables and
6234         -freduce-all-givs.
6235         * loop-invariant.c (find_invariants_to_move):
6236         Remove all uses of flag_move_all_movables.
6237         * loop.c (move_movables): Remove all uses of
6238         flag_move_all_movables.
6239         (strength_reduce): Remove all uses of
6240         flag_reduce_all_givs.
6241         * doc/invoke.texi: Remove documentation of flags
6242         -fremove-all-movables and -freduce-all-givs.
6243
6244 2004-09-11  Roger Sayle  <roger@eyesopen.com>
6245
6246         PR middle-end/17411
6247         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
6248         change. elt->type may be a floating point type, so use fold_convert.
6249
6250 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
6251
6252         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
6253         the thing referenced as used, not the stub itself.
6254
6255 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6256
6257         * c-tree.h (enum c_storage_class): New.
6258         (struct c_declspecs): Add storage_class, inline_p and thread_p.
6259         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
6260         declarations and "auto" or "register" in file scope empty
6261         declarations.  Give more specific warnings for other cases of
6262         storage class specifiers in empty declarations.
6263         (grokdeclarator): Update for new structures.  Don't check for
6264         multiple storage classes.  Diagnose file-scope "register" if
6265         pedantic.
6266         (build_null_declspecs): Update.
6267         (declspecs_add_scspec): Update.  Diagnose multiple storage class
6268         specifiers and invalid uses of "__thread".
6269
6270 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
6271
6272         * tree.c (tree_code_size): New function, bulk of code from tree_size.
6273         (tree_size, make_node): Use it.
6274         * tree-ssa-pre.c (init_pre): Use it.
6275         * tree.h: Prototype it.
6276
6277 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6278
6279         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
6280         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
6281         redirect_immediate_use): Use PHI_DF.
6282         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
6283         (bb_for_stmt): Use PHI_BB.
6284         (get_immediate_uses): Use PHI_DF.
6285         * tree-ssa-dse.c (max_stmt_uid): New variable.
6286         (get_stmt_uid): New function.
6287         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
6288         node annotations.
6289         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
6290         (max_uid): Renamed to max_stmt_uid.
6291         (get_stmt_uid): New function.
6292         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
6293         phi node annotations.
6294         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
6295         * tree.h (PHI_BB, PHI_DF): New accessor functions.
6296         (struct tree_phi_node): Add bb and df fields.
6297
6298 2004-09-11  Richard Henderson  <rth@redhat.com>
6299
6300         PR middle-end/17416
6301         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
6302         in conflict loop.
6303
6304 2004-09-11  Jan Hubicka  <jh@suse.cz>
6305
6306         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
6307         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
6308         * i386.md (i387_cw): Add 'uninitialized' mode.
6309
6310         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
6311         (output_location): Break out from ....
6312         (branch_prob): ... here; handle gcov output on trees.
6313         * toplev.c (process_options): No longer be sorry about coverage for
6314         trees.
6315
6316 2004-09-11  Steven Bosscher  <stevenb@suse.de>
6317
6318         PR c++/17412
6319         * fold-const.c (fold): Do not try to fold the operand of a
6320         CLEANUP_POINT_EXPR if that operand does itself not have any
6321         operands.
6322
6323         PR middle-end/17417
6324         * langhooks.c (lhd_decl_printable_name): Make sure that this
6325         function is called with is a decl node that has an identifier.
6326         * tree-pretty-print.c (dump_function_name): New function to
6327         wrap PRINT_FUNCTION_NAME and dump_decl_name.
6328         (print_call_name): Use it.
6329
6330 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
6331
6332         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
6333         "config.h" if not.
6334
6335 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
6336
6337         * tree-ssa-alias.c (collect_points_to_info_r): Handle
6338         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
6339         to OFFSET.
6340
6341 2004-09-11  Richard Henderson  <rth@redhat.com>
6342
6343         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
6344         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
6345         operand of the ADDR_EXPR.
6346         (expand_expr_real_1): Update to match.
6347
6348 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
6349
6350         PR target/17277
6351         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
6352         choose 64-bit version.
6353
6354 2004-09-11  Richard Henderson  <rth@redhat.com>
6355
6356         PR c/17396
6357         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
6358
6359 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
6360
6361         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
6362         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
6363         Insert @: after i.e. or e.g.
6364
6365 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
6366
6367         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
6368         D.xxx rather than <Dxxx>.
6369
6370 2004-09-10  Adam Nemet  <anemet@lnxw.com>
6371
6372         * configure.ac (AC_MSG_CHECKING(what linker to use)):
6373         in_tree_ld_is_elf should be true for LynxOS.
6374         * configure: Regenerate.
6375
6376 2004-09-10  Adam Nemet  <anemet@lnxw.com>
6377
6378         * Makefile.in (all.cross): Add srcextra.
6379
6380 2004-09-10  Roger Sayle  <roger@eyesopen.com>
6381
6382         PR middle-end/17024
6383         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
6384         floating point comparison operators.  Change aborts to gcc_asserts.
6385
6386 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
6387
6388         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
6389
6390 2004-09-10  James E Wilson  <wilson@specifixinc.com>
6391
6392         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
6393         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
6394
6395         * convert.c (convert_to_vector): Replace recursive call with
6396         error_mark_node.
6397
6398         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
6399         Add integer argument named constant.  Use const_tiny_rtx instead of
6400         CONST0_RTX.
6401         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
6402         and CONST1_RTX.
6403         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
6404         vector types.
6405         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
6406         of gen_rtx_raw_CONST_VECTOR.
6407
6408 2004-09-10  Eric Christopher  <echristo@redhat.com>
6409
6410         PR c/16046
6411         * c-parse.in (attribute): Add NULL_TREE for error case
6412         for error recovery.
6413
6414 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
6415
6416         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
6417         (extract_interface_info): Delete prototype.
6418         * c-decl.c (extract_interface_info): Delete stub.
6419         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
6420         it's not already been done ...
6421         (init_c_lex): ... not here.
6422         (fe_file_change): Don't call extract_interface_info.
6423
6424 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
6425
6426         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
6427         typedef_p and typedef_signed_p.
6428         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
6429         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
6430         Check typedef_p and typedef_signed_p, not typedef_decl.
6431         (grokfield): Check typedef_p, not typedef_decl.
6432         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
6433         not typedef_decl.
6434         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
6435         typedef_decl.
6436
6437 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6438
6439         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
6440
6441 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
6442
6443         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
6444         temporary variables.
6445
6446         * dbxout.c (dbxout_block): Update for
6447         current_function_func_begin_label a string.
6448         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
6449         * except.c (dw2_output_call_site_table): Likewise.
6450         * toplev.c (current_function_func_begin_label): Likewise.
6451         * tree.h (current_function_func_begin_label): Likewise.
6452         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
6453
6454         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
6455         loop.
6456
6457         * config/darwin.c: Include target.h.
6458         (struct machopic_indirection): Make ptr_name a string.
6459         (machopic_indirection_hash): Update for ptr_name a string.
6460         (machopic_indirection_eq): Likewise.
6461         (machopic_indirection_name): Likewise.
6462         (machopic_output_indirection): Likewise.
6463         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
6464         string.  Don't expect stub names to be in the identifier hash table.
6465         Do call strip_name_encoding before looking up entry in ID hash table.
6466         * config/t-darwin (darwin.o): Add target.h to dependencies.
6467
6468         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
6469         of fprintf for register names.
6470
6471         * output.h (unlikely_section_label): Delete declaration.
6472         (unlikely_text_section_name): Likewise.
6473         * varasm.c (unlikely_section_label_printed): Make static.
6474         (unlikely_section_label): Likewise.
6475         (unlikely_text_section_name): Likewise.
6476         (assemble_start_function): Use reconcat.
6477
6478         * rtl.def (REG): Add comment to describe third field.
6479
6480 2004-09-10  Andrew Pinski  <apinski@apple.com>
6481
6482         * config/darwin.c (machopic_mcount_stub_name): Call
6483         machopic_indirection_name instead of making the string
6484         ourselves.
6485
6486 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
6487
6488         Revert
6489
6490         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
6491
6492             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
6493             memory tag is call clobbered, so are its aliases.
6494             (group_aliases): When two memory tags being grouped, if one is
6495             call clobbered, so are the other and its aliases.
6496             (add_may_alias): Remove call-clobbering stuff.
6497             (replace_may_alias): Likewise.
6498             (merge_pointed_to_info): Merge pt_global_mem
6499
6500 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6501
6502         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
6503         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
6504         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
6505         tree-scalar-evolution.c, tree-ssa-copyrename.c,
6506         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
6507
6508 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6509
6510         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
6511         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
6512         pair.  Remove match_dup from inputs.  Remove masaccs handling.
6513         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
6514         (masaccs, mdasaccs): Turn into define_insns.
6515
6516 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6517
6518         * tree-tailcall.c (process_assignment): Only do accumulator transforms
6519         for floating-point types if flag_unsafe_math_optimizations.
6520
6521 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6522
6523         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
6524         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
6525         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
6526         config/h8300/h8300.md, config/i386/gmm_malloc.h,
6527         config/ia64/ia64.md, config/ip2k/libgcc.S,
6528         config/mips/mips-ps-3d.md, config/mips/mips.c,
6529         config/rs6000/rs6000.c, config/s390/s390.c,
6530         config/sh/symbian.c: Fix comment typos.
6531
6532 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6533
6534         * config/s390/s390.c (s390_emit_prologue): Added missing
6535         "{}" brackets.
6536
6537 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6538
6539         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
6540         typos.  Follow spelling conventions.
6541
6542 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
6543
6544         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
6545         in diagnostic.  Don't dereference NULL TYPE_NAME.
6546
6547 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6548
6549         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
6550         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
6551         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
6552         value-prof.c: Fix comment typos.  Follow spelling conventions.
6553
6554 2004-09-10  Jan Hubicka  <jh@suse.cz>
6555
6556         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
6557         * tree-split_edge.c (tree_split_edge): Likewise.
6558         (thread_jumps): Likewise.
6559
6560 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6561
6562         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
6563         typos.
6564
6565 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
6566
6567         * cgraph.h (cgraph_dump_file): Do not declare.
6568         * cgraphunit.c (cgraph_dump_file): Declare as static.
6569         (init_cgraph): New.
6570         * toplev.c (cgraph_dump_file): Do not declare.
6571         (compile_file): Call init_cgraph.
6572         * tree-dump.c (dump_files): Add IPA dump file, remove
6573         XML dump of call graph.
6574         (get_dump_file_name): Support IPA dump file naming scheme.
6575         * tree.h (enum tree_dump_index): Add IPA dump file, remove
6576         XML dump of call graph.
6577         * doc/invoke.texi (Debugging Options): Document the new options.
6578
6579 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6580
6581         * doc/extend.texi: Document the FR-V built-in functions.
6582
6583 2004-09-09  James E Wilson  <wilson@specifixinc.com>
6584
6585         * doc/sourcebuild.texi: Delete libbanshee reference.
6586
6587 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
6588
6589         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
6590
6591 2004-09-09  James E Wilson  <wilson@specifixinc.com>
6592
6593         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
6594         before calling vector_types_convertible_p.
6595         (digest_init): Check that inside_init has VECTOR_TYPE before calling
6596         vector_types_convertible_p.  Don't give another error if
6597         convert_for_assignment returns error_mark_node.
6598
6599 2004-09-09  Roger Sayle  <roger@eyesopen.com>
6600
6601         PR middle-end/17055
6602         * fold-const.c (build_zero_vector): New function to construct a
6603         vector (either floating point or integer) of zeros.
6604         (fold_convert): Internally, enable conversions of integer zero
6605         to arbitrary vector types, using the new build_zero_vector.
6606
6607 2004-09-09  Roger Sayle  <roger@eyesopen.com>
6608
6609         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
6610         expand a left shift by an immediate constant as either an ashl or
6611         a sequence of additions.
6612         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
6613         instead of calling gen_ashlsi3 with a constant directly.
6614
6615 2004-09-09  Roger Sayle  <roger@eyesopen.com>
6616
6617         * config/i386/i386.c (ix86_split_long_move): When optimizing for
6618         size, and the low and high parts of a DImode constant are equal,
6619         copy one register to another instead of loading the same immediate
6620         value twice.
6621
6622 2004-09-09  Richard Henderson  <rth@redhat.com>
6623
6624         PR middle-end/17367
6625         * function.c (assign_parm_setup_block): Only put PARALLELs into
6626         a register if use_register_for_decl.
6627
6628 2004-09-09  Eric Christopher  <echristo@redhat.com>
6629
6630         * ra-colorize.c (reset_lists): Move variable declaration inside
6631         ENABLE_CHECKING to avoid unused variable warnings when
6632         not --enable-checking.
6633         (check_colors): Ditto.
6634
6635 2004-09-09  Mike Stump  <mrs@apple.com>
6636
6637         * version.c (version_string): Bump to 4.0.0.
6638         * doc/include/gcc-common.texi (version-GCC): Likewise.
6639
6640 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
6641
6642         * doc/extend.texi (nothrow attribute): The attribute is not
6643         implemented in 3.2 and earlier.
6644
6645 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
6646
6647         * genrecog.c (compute_predicate_codes): Use op0_codes
6648         instead of codes.
6649
6650 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
6651
6652         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
6653         implementation changes.
6654
6655 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
6656
6657         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
6658         a PARALLEL instead of a SET due to added clobbers.
6659
6660 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
6661
6662         * reload.c (find_reloads_address): Pass correct operand to
6663         maybe_memory_address_p.
6664
6665 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
6666
6667         * Makefile.in: Remove libbanshee, tree-alias-*.
6668         Remove tree-alias-common.h dependencies.
6669         * common.opt: Remove -ftree-points-to.
6670         * configure.ac: Remove libbanshee.
6671         * flags.h: Remove pta_type, flag_tree_points_to.
6672         * gengtype.c (open_base_files): Remove tree-alias-type.h.
6673         * opts.c (OPT_ftree_points_to): Remove.
6674         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
6675         * tree-dfa.c: Remove tree-alias-common.h
6676         * tree-into-ssa.c: Ditto.
6677         * tree-outof-ssa.c: Ditto.
6678         * tree-ssa-copyrename.c: Ditto.
6679         * tree-ssa-live.c: Ditto.
6680         * tree-optimize.c: Ditto.
6681         * tree-ssa.c: Ditto.
6682         Remove pass_build_pta, pass_del_pta.
6683         * tree-pass.h: Ditto.
6684         * tree-ssa-alias.c: Remove tree-alias-common.h.
6685         (struct alias_stats_d): Remove pta_queries, pta_resolved.
6686         (pass_may_alias): Remove PROP_pta requirement.
6687         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
6688         (get_tmt_for): Ditto.
6689         (dump_alias_stats): Ditto.
6690         * doc/passes.texi: Remove blurb about points-to analysis.
6691         * fortran/Make-lang.in: Remove tree-alias-*.o.
6692
6693 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
6694
6695         * genattrtab.c (write_insn_cases): New function, split out from
6696         write_attr_case.  Correctly handle define_peepholes when printing
6697         the instruction name.
6698         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
6699
6700 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
6701
6702         PR target/17377
6703         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
6704         * config/cris/cris.c (cris_return_address_on_stack): New function.
6705         * config/cris/cris.md ("return"): For location of return address,
6706         also check cris_return_address_on_stack.
6707
6708 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
6709
6710         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
6711         calling phi_ssa_name_p.
6712
6713 2004-09-09  Richard Henderson  <rth@redhat.com>
6714
6715         PR c/17322
6716         * c-typeck.c (valid_compound_expr_initializer): Use only
6717         initializer_constant_valid_p, and not TREE_CONSTANT.
6718         (digest_init): Likewise.
6719         (output_init_element): Likewise.
6720
6721 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6722
6723         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
6724         live_out_1, prune_hardregs_for_mode, init_one_web_common,
6725         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
6726         record_conflict, compare_and_free_webs, init_webs_defs_uses,
6727         parts_to_webs_1, parts_to_webs, reset_conflicts,
6728         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
6729         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
6730         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
6731         put_move, remove_move, combine, select_spill, colorize_one_web,
6732         try_recolor_web, insert_coalesced_conflicts, check_colors,
6733         break_precolored_alias, restore_conflicts_from_coalesce,
6734         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
6735         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
6736         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
6737         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
6738         check_df): Likewise.
6739         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
6740         real_arithmetic, real_compare, real_exponent, real_ldexp,
6741         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
6742         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
6743         real_digit, real_nan, real_maxval, round_for_format, real_convert,
6744         real_to_target, real_from_target, real_hash, encode_ieee_single,
6745         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
6746         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
6747         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
6748         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
6749         extract_insn, peep2_next_insn, peep2_reg_dead_p,
6750         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
6751         if_test_bypass_p): Likewise.
6752         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
6753         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
6754         emit_swap_insn, swap_to_top, move_for_stack_reg,
6755         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
6756         compensate_edge, convert_regs_1): Likewise.
6757         * regclass.c (init_reg_sets, init_reg_sets_1,
6758         memory_move_secondary_cost): Likewise.
6759         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
6760         Likewise.
6761         * reload.c (push_secondary_reload, find_valid_class, push_reload,
6762         operands_match_p, decompose, immune_p, find_reloads,
6763         find_reloads_toplev, find_reloads_address_1, subst_reloads,
6764         copy_replacements, refers_to_regno_for_reload_p,
6765         reg_overlap_mentioned_for_reload_p): Likewise.
6766         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
6767         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
6768         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
6769         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
6770         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
6771         do_output_reload, fixup_abnormal_edges): Likewise.
6772         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
6773         fill_slots_from_thread, relax_delay_slots): Likewise.
6774         * resource.c (mark_referenced_resources, mark_set_resources):
6775         Likewise.
6776         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
6777         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
6778         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
6779         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
6780         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
6781         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
6782         * rtlhooks.c (gen_lowpart_general): Likewise.
6783         * sbitmap.c (sbitmap_difference): Likewise.
6784         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
6785         sched_analyze, add_forward_dependence): Likewise.
6786         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
6787         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
6788         schedule_insns): Likewise.
6789         * sched-vis.c (print_pattern): Likewise.
6790         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
6791         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
6792         simplify_const_relational_operation, simplify_ternary_operation,
6793         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
6794         Likewise.
6795         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
6796         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
6797         resolve_operand_name_1, expand_return, expand_decl,
6798         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
6799         * stor-layout.c (put_pending_size, smallest_mode_for_size,
6800         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
6801         set_sizetype, get_mode_bounds): Likewise.
6802
6803 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
6804
6805         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
6806         * config/arm/pecoff.h, config/i386/beos-elf.h
6807         * config/i386/cygming.h, config/i386/i386-interix.h:
6808         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
6809         comment cloned from manual.
6810         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
6811
6812 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
6813
6814         * builtins.c (build_va_arg_indirect_ref): New function.
6815         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
6816         build_fold_indirect_ref.
6817         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
6818         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
6819         * tree.h: Declare new function.
6820
6821 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
6822
6823         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
6824         dumping for development builds.
6825         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
6826         development builds only.
6827         * genattrtab.c (write_eligible_delay): Fix typo in previous
6828         commit.
6829         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
6830         gcc_assert.
6831
6832 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
6833
6834         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
6835         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
6836         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
6837         hoist_code, extract_mentioned_regs_helper, compute_store_table,
6838         insert_store): Use gcc_assert and gcc_unreachable.
6839         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
6840         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
6841         ggc_record_overhead): Likewise.
6842         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
6843         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
6844         ggc_pop_context, clear_marks, validate_free_objects,
6845         ggc_pch_read): Likewise.
6846         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
6847         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
6848         ggc_push_context, check_cookies, ggc_collect,
6849         ggc_print_statistics): Likewise.
6850         * gimple-low.c (lower_function_body, lower_stmt,
6851         lower_bind_expr): Likewise.
6852         * gimplify.c (gimple_tree_eq, push_gimplify_context,
6853         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
6854         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
6855         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
6856         gimplify_case_label_expr, gimplify_exit_block_expr,
6857         canonicalize_component_ref, gimplify_compound_lval,
6858         gimplify_self_mod_expr, gimplify_call_expr,
6859         gimplify_init_ctor_eval, gimplify_init_constructor,
6860         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
6861         gimplify_expr, check_pointer_types_r,
6862         force_gimple_operand): Likewise.
6863         * global.c (global_alloc, build_insn_chain): Likewise.
6864         * graph.c (clean_graph_dump_file,
6865         finish_graph_dump_file): Likewise.
6866         gcov-io.c (gcov_open): Use GCOV_CHECK.
6867
6868 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
6869
6870         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
6871
6872 2004-09-09  Jan Hubicka  <jh@suse.cz>
6873
6874         middle-end/17128
6875         * tree-inline.c (expand_call_inline): Make overactive sanity check
6876         happy.
6877
6878 2004-09-09  Jan Hubicka  <jh@suse.cz>
6879
6880         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
6881         VIEW_CONVERT_EXPR.
6882
6883 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
6884
6885         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
6886         (gengtype.o): Depend on errors.h.
6887         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
6888         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
6889         attr_alt_subset_p, attr_alt_subset_of_compl_p,
6890         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
6891         write_test_expr, write_attr_value, write_eligible_delay,
6892         make_internal_attr, make_numeric_value): Likewise.
6893         * genautomata.c (regexp_name, get_str_vect,
6894         gen_presence_absence_set, automaton_decl_hash,
6895         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
6896         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
6897         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
6898         test_unit_reserv, it_is_empty_reserv_sets,
6899         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
6900         reserv_sets_and, output_cycle_reservs, get_free_state,
6901         intersected_state_reservs_p, states_union, remove_arc,
6902         copy_insn_regexp, transform_1, transform_2, transform_3,
6903         regexp_transform_func, store_alt_unit_usage,
6904         check_regexp_units_distribution, process_seq_for_forming_states,
6905         process_alts_for_forming_states, make_automaton,
6906         form_arcs_marked_by_insn, create_composed_state,
6907         set_out_arc_insns_equiv_num, partition_equiv_class,
6908         process_insn_equiv_class, set_insn_equiv_classes,
6909         units_to_automata_heuristic_distr, form_regexp,
6910         longest_path_length, output_dfa_max_issue_rate, add_vect,
6911         out_state_arcs_num, add_vect_el, output_trans_table,
6912         output_state_alts_table, output_dead_lock_vect,
6913         output_max_insn_queue_index_def,
6914         output_min_insn_conflict_delay_func,
6915         output_internal_insn_latency_func, output_print_reservation_func,
6916         output_cpu_unit_reservation_p, output_state_arcs,
6917         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
6918         make_default_insn_latency_attr,
6919         form_important_insn_automata_lists): Likewise.
6920         * genemit.c (gen_exp, output_add_clobbers,
6921         output_added_clobbers_hard_reg_p): Likewise.
6922         * genextract.c (print_path, main): Likewise.
6923         * genflags.c (gen_macro): Likewise.
6924         * gengenrtl.c: Include errors.h
6925         (type_from_format, accessor_from_format): Likewise.
6926         * gengtype.c (get_file_basename, output_mangled_typename,
6927         walk_type, write_types_process_field,
6928         write_types_local_process_field): Likewise.
6929         * genmodes.c (complete_mode): Likewise.
6930         * genopinit.c (gen_insn): Likewise.
6931         * genoutput.c (output_insn_data, check_constraint_len,
6932         constraint_len): Likewise.
6933         * genpreds.c (add_mode_tests):Likewise.
6934         * gen-protos.c (add_hash): Likewise.
6935         * genrecog.c (find_operand, find_matching_operand,
6936         validate_pattern, add_to_sequence, maybe_both_true,
6937         nodes_identical_1, merge_trees, write_switch, write_cond,
6938         write_action, is_unconditional, make_insn_sequence,
6939         debug_decision_2): Likewise.
6940         * gensupport.c (is_predicable, collect_insn_data,
6941         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
6942
6943 2004-09-09  Jan Hubicka  <jh@suse.cz>
6944
6945         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
6946         * cfgbuild.c (compute_outgoing_frequencies): When probability is
6947         missing, guess it.
6948         (find_many_sub_basic_blocks): Do update profile only when it is
6949         present.
6950         * predict.c (set_even_probabilities): Break out from ...
6951         (combine_predictions_for_insn): ... here; deal with
6952         !can_predict_insn_p insns.
6953         (combine_predictions_for_bb): Use set_even_probabilities.
6954         (bb_estimate_probability_locally): Break out from ....
6955         (estimate_probability): ... here.
6956         (guess_outgoing_edge_probabilities): New entry point.
6957
6958 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
6959
6960         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
6961         handle_braces, process_brace_body, main, used_arg,
6962         set_multilib_dir, print_multilib_info): Use fatal, not abort.
6963
6964         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
6965
6966         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
6967         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
6968         Morgan's theorem in last checkin.
6969
6970 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6971             Nathan Sidwell  <nathan@codesourcery.com>
6972
6973         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
6974         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
6975         * timevar.c (timevar_push, timevar_pop, timevar_start,
6976         timevar_stop): Likewise.
6977         * toplev.c (default_pch_valid_p): Likewise.
6978         * tracer.c (tail_duplicate): Likewise.
6979         * tree-alias-common.c (get_alias_var_decl,
6980         get_values_from_constructor, create_alias_var, delete_alias_vars,
6981         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
6982         Likewise.
6983         * tree.c (tree_size, make_node_stat, copy_node_stat,
6984         build_int_cst_wide, integer_all_onesp, list_length, chainon,
6985         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
6986         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
6987         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
6988         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
6989         build_method_type_directly, decl_type_context, get_callee_fndecl,
6990         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
6991         tree_fold_gcd): Likewise.
6992         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
6993         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
6994         cleanup_control_expr_graph, find_taken_edge,
6995         find_taken_edge_switch_expr, phi_alternatives_equal,
6996         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
6997         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
6998         tree_split_edge, tree_verify_flow_info, thread_jumps,
6999         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
7000         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7001         chrec_fold_multiply_poly_poly): Likewise.
7002         * tree-complex.c (extract_component, expand_complex_division,
7003         expand_complex_comparison, expand_complex_operations_1,
7004         build_replicated_const, expand_vector_operations_1): Likewise.
7005         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
7006         build_classic_dir_vector): Likewise.
7007         * tree-dfa.c (compute_immediate_uses_for_phi,
7008         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
7009         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
7010         * tree-dump.c (dequeue_and_dump): Likewise.
7011         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
7012         record_in_finally_tree, replace_goto_queue_1,
7013         maybe_record_in_goto_queue, verify_norecord_switch_expr,
7014         do_return_redirection): Likewise.
7015         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
7016         add_to_dst_predicate_list, find_phi_replacement_condition,
7017         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
7018         Likewise.
7019         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
7020         initialize_inlined_parameters, declare_return_variable,
7021         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
7022         optimize_inline_calls, copy_tree_r): Likewise.
7023         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
7024         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
7025         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
7026         tsi_split_statement_list_after, tsi_split_statement_list_before):
7027         Likewise.
7028         * tree-mudflap.c (mf_varname_tree): Likewise.
7029         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
7030         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
7031         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7032         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
7033         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
7034         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
7035         Likewise.
7036         * tree-phinodes.c (resize_phi_node, add_phi_arg,
7037         remove_all_phi_nodes_for): Likewise.
7038         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
7039         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
7040         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
7041         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
7042         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
7043         generate_one_element_ref, generate_element_copy,
7044         generate_element_zero, scalarize_copy, scalarize_init,
7045         scalarize_ldst): Likewise.
7046         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
7047         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
7048         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
7049         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
7050         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
7051         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
7052         widen_bitfield, ccp_fold_builtin): Likewise.
7053         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
7054         replace_exp_1, propagate_tree_value): Likewise.
7055         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
7056         * tree-ssa-dce.c (set_control_dependence_map_bit,
7057         find_control_dependence, find_pdom, mark_operand_necessary,
7058         mark_stmt_if_obviously_necessary,
7059         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
7060         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
7061         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
7062         eliminate_redundant_computations, avail_expr_eq): Likewise.
7063         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
7064         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7065         duplicate_blocks): Likewise.
7066         * tree-ssa-loop-im.c (for_each_index, set_level,
7067         is_call_clobbered_ref): Likewise.
7068         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
7069         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
7070         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
7071         peel_address, ptr_difference_cost, may_replace_final_value,
7072         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
7073         rewrite_use, rewrite_uses): Likewise.
7074         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7075         check_loop_closed_ssa_use): Likewise.
7076         * tree-ssanames.c (make_ssa_name): Likewise.
7077         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
7078         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
7079         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
7080         get_indirect_ref_operands, add_stmt_operand): Likewise.
7081         * tree-ssa-pre.c (value_exists_in_set_bitmap,
7082         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
7083         phi_translate, valid_in_set, compute_antic,
7084         find_or_generate_expression, create_expression_by_pieces, insert_aux,
7085         create_value_expr_from, eliminate): Likewise.
7086         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
7087         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
7088         Likewise.
7089         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
7090         eliminate_tail_call): Likewise.
7091         * tree-vectorizer.c (vect_create_index_for_array_ref,
7092         vect_align_data_ref, vect_create_data_ref,
7093         vect_create_destination_var, vect_get_vec_def_for_operand,
7094         vect_finish_stmt_generation, vect_transform_stmt,
7095         vect_transform_loop_bound, vect_transform_loop,
7096         vect_analyze_operations): Likewise.
7097         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
7098         Likewise.
7099         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
7100         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
7101         bsi_after_labels, bsi_last): Likewise.
7102         * tree-ssa-live.c (var_union, change_partition_var,
7103         create_ssa_var_map, calculate_live_on_entry, root_var_init,
7104         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
7105         Likewise.
7106         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
7107         tpa_find_tree): Likewise.
7108         (register_ssa_partition_check): Declare.
7109         (register_ssa_partition): use it.
7110         * tree-ssa-live.c: Include errors.h.
7111         (register_ssa_partition_check): New.
7112         * tree-ssa-operands.c: Include errors.h.
7113         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
7114
7115 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
7116             Catherine Moore  <clm@redhat.com>
7117
7118         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
7119         (FRV_CPU_FR405): New processor enums.
7120         (frv_issue_rate, frv_acc_group): Declare.
7121         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
7122         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
7123         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
7124         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
7125         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
7126         handled by CPP_SPEC.
7127         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
7128         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
7129         (ACC_MASK): New macro.
7130         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
7131         (TARGET_MEDIA_FR450): New macro.
7132         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
7133         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
7134         (LABEL_ALIGN_AFTER_BARRIER): Define.
7135         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
7136         (IACC_FIRST, IACC_LAST): New pair of SPRs.
7137         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
7138         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7139         (REGISTER_NAMES): Add entries for new registers.
7140         (REG_CLASS_CONTENTS): Update for new register ranges.
7141         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
7142         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
7143         (PACKING_FLAG_USED_P): Delete.
7144         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
7145         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
7146         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
7147         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
7148         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
7149         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
7150         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
7151         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
7152         (CPU_UNITS_QUERY): Define to 1.
7153         * config/frv/frv.c: Include gt-frv.h
7154         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
7155         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
7156         (frv_insn_group): New enumeration.
7157         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
7158         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
7159         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
7160         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
7161         gap left by REGSTATE_LIVE.
7162         (regstate_t): New typedef.
7163         (TARGET_MACHINE_DEPENDENT_REORG): Define.
7164         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
7165         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
7166         Initialize frv_unit_codes[] and frv_type_to_unit[].
7167         (frv_conditional_register_usage): Remove redundant fixing of
7168         accumulator registers.
7169         (frv_insn_packing_flag): Update specification.
7170         (frv_function_prologue): Don't set frv_insn_packing_flag here.
7171         Zero out frv_nops[].
7172         (frv_expand_epilogue): Remove comments about the no-longer-present
7173         SIBCALL_P argument.
7174         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
7175         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
7176         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
7177         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
7178         packing is disabled and if INSN can only issue to M1.
7179         (call_operand): Check TARGET_LONG_CALLS.
7180         (acc_operand, even_acc_operand, quad_acc_operand)
7181         (accg_operand): Simplify.  Don't accept pseudo registers.
7182         (output_move_single): Handle SPR<-zero moves.
7183         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
7184         (frv_registers_update, frv_registers_used_p): Delete.
7185         (frv_registers_set_p): Delete.
7186         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
7187         (frv_issues_to_branch_unit_p): New function.
7188         (frv_packet): New structure.
7189         (frv_cond_flags, frv_regstate_conflict_p): New functions.
7190         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
7191         (frv_registers_update_1, frv_registers_update): New functions.
7192         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
7193         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
7194         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
7195         (frv_sort_insn_group, frv_reorder_packet): New functions.
7196         (frv_pack_insns): Use frv_reorder_packet.
7197         (frv_packet_address): New variable.
7198         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
7199         (frv_register_nop, frv_reorg): New functions.
7200         (bdesc_1arg): Add __SCUTSS.
7201         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
7202         __SUBSS, __SLASS and __SCAN.
7203         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
7204         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
7205         (frv_init_builtins): Register the above builtins.
7206         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
7207         registers.  Turn the referenced accumulators into global registers.
7208         (frv_read_iacc_argument): New function.
7209         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
7210         (frv_split_iacc_move): New function.
7211         (frv_expand_builtin): Handle the new builtins.
7212         * config/frv/frv.md: Replace old schedulers with new order-independent
7213         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
7214         packing algorithm.
7215         (cpu): Add fr550, fr450 and fr405.
7216         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
7217         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
7218         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
7219         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
7220         (fnop, mnop): New patterns.
7221         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
7222         New constants.
7223         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
7224         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
7225         registers.
7226         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
7227         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
7228         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
7229         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
7230         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
7231         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
7232         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
7233         (frv_prefetch0, frv_prefetch): New patterns.
7234         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
7235         -mcpu=simple.  Add -mcpu=fr550.
7236         (MULTILIB_DIRNAMES): Update accordingly.
7237         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
7238         -mcpu=fr450.
7239         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
7240         -mlong-calls and -malign-labels options for FR-V.
7241
7242 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
7243
7244         PR c/8420
7245         * c-tree.h (struct c_declspecs): New.
7246         (struct c_declarator, struct c_type_name, struct c_parm): Update
7247         element types.
7248         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
7249         start_function, start_decl, build_c_parm,
7250         make_pointer_declarator): Update prototypes.
7251         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7252         declspecs_add_scspec, declspecs_add_attrs): New.
7253         (split_specs_attrs): Remove.
7254         * c-parse.in (%union): Add dsptype.
7255         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
7256         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
7257         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
7258         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
7259         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
7260         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
7261         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
7262         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
7263         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
7264         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
7265         maybe_type_quals_attrs): Change to dsptype.
7266         (struct c_declspec_stack): New.
7267         (current_declspecs, declspec_stack): Change type.
7268         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
7269         structures.
7270         (extdefs): Likewise.
7271         (setspecs): Likewise.
7272         (fndef): Use current_declspecs for empty declspecs list.
7273         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
7274         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
7275         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
7276         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
7277         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
7278         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
7279         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
7280         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
7281         structures and helper functions.  Update comments.
7282         (typespec_nonattr): Correct comment.
7283         (maybe_type_quals_attrs, typename): Update to new structures.
7284         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
7285         shadow_tag, shadow_tag_warned, start_function, start_decl,
7286         build_c_parm, make_pointer_declarator,
7287         set_array_declarator_inner, groktypename): Update to new
7288         structures.
7289         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
7290         declspecs_add_scspec, declspecs_add_attrs): New.
7291         (split_specs_attrs): Remove.
7292         (shadow_tag_warned): Make warning for useless type names a
7293         pedwarn.  Give hard error for long, short, signed, unsigned or
7294         _Complex used with struct, union or enum in empty declaration.
7295         Make found_tag a bool.
7296         (grokdeclarator): Remove checks now done at parse time.
7297
7298 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
7299
7300         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
7301         c_declarator, struct c_type_name, struct c_parm): New.
7302         (build_array_declarator, set_array_declarator_inner,
7303         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
7304         start_function, start_decl, build_c_parm, build_attrs_declarator,
7305         build_function_declarator, make_pointer_declarator, c_cast_expr,
7306         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
7307         (build_id_declarator): New.
7308         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
7309         structures.
7310         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
7311         ARG_INFO_OTHERS): Remove.
7312         (build_id_declarator): New.
7313         (build_array_declarator, set_array_declarator_inner, groktypename,
7314         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
7315         grokfield, start_function, store_parm_decls_newstyle,
7316         store_parm_decls_oldstyle, store_parm_decls,
7317         build_c_parm, build_attrs_declarator, build_function_declarator,
7318         make_pointer_declarator, grokdeclarator): Update to new
7319         structures.
7320         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
7321         parmtype.
7322         (declarator, notype_declarator, after_type_declarator,
7323         parm_declarator, parm_declarator_starttypename,
7324         parm_declarator_nostarttypename, array_declarator, typename,
7325         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
7326         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
7327         parmlist_1, parmlist_2, parmlist_or_identifiers,
7328         parmlist_or_identifiers_1): Use these types.
7329         (primary, after_type_declarator, parm_declarator_starttypename,
7330         notype_declarator, component_decl, component_declarator,
7331         component_notype_declarator, typename, absdcl,
7332         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
7333         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
7334
7335 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
7336
7337         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
7338         in_typeof, record_maybe_used_decl, pop_maybe_used,
7339         c_expr_sizeof_expr, c_expr_sizeof_type): New.
7340         * c-decl.c (parser_obstack): New.
7341         (c_init_decl_processing): Initialize parser_obstack.
7342         (c_write_global_declarations_1): Check for used but undefined
7343         static functions.
7344         * c-parse.in (%union): Add otype.
7345         (save_obstack_position): New.
7346         (extdefs): Use it.
7347         (unary_expr): Update in_sizeof and in_alignof.  Use
7348         c_expr_sizeof_expr and c_expr_sizeof_type.
7349         (sizeof): Update in_sizeof.
7350         (alignof): Update in_alignof.
7351         (typeof): Update in_typeof.
7352         (typespec_nonreserved_nonattr): Call pop_maybe_used.
7353         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
7354         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
7355         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
7356         (build_external_ref): Set C_DECL_USED or call
7357         record_maybe_used_decl if appropriate.
7358         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
7359
7360 2004-09-08  Eric Christopher  <echristo@redhat.com>
7361
7362         * builtins.c: Fix prototype for fold_builtin_atan.
7363
7364 2004-09-08  Eric Christopher  <echristo@redhat.com>
7365
7366         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
7367         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
7368         fold_builtin_atan): New functions. Migrate function bodies...
7369         (fold_builtin_1): ... from here.
7370
7371 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
7372
7373         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
7374         save_size.
7375
7376 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
7377
7378         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
7379         * config/rs6000/power5.md (power5-lmul): Same.
7380
7381 2004-09-08  Richard Henderson  <rth@redhat.com>
7382
7383         PR rtl-opt/17186
7384         * function.c (expand_function_end): Have fall-off-the-end
7385         return path jump around return register setup.
7386
7387 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7388
7389         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
7390         (output_return): Do not test for the presence of the 'unimp' insn.
7391         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
7392         as predicates instead of custom ones.  Return raw strings when
7393         possible.
7394         (output_sibcall): Likewise.  Concatenate strings.
7395         (output_ubranch): Remove kludge for TurboSPARC.
7396         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
7397         (output_v9branch): Likewise.
7398         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
7399         <#>: Set sparc_indent_opcode if the delay slot is filled.
7400         <(>: Likewise.
7401         <)>: New operand to emit the displacement from the saved PC on return.
7402         <@>: Remove.
7403         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
7404         (ASM_OUTPUT_OPCODE): New macro.
7405         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
7406         * config/sparc/sparc.md (normal_branch, inverted_branch,
7407         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
7408         inverted_fpe_branch): Adjust call to output_cbranch.
7409         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
7410         call to output_v9branch.
7411         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
7412         (output_v9branch): Likewise.
7413
7414 2004-09-08  Devang Patel  <dpatel@apple.com>
7415
7416         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
7417         -segs_read_only_addr and -segs_read_write_addr.
7418         (WORD_SWITCH_TAKES_ARG): Same.
7419         (LINK_SPEC): Same.
7420         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
7421         -segs_read_write_addr.
7422
7423 2004-09-08  Richard Henderson  <rth@redhat.com>
7424
7425         * function.c (reference_callee_copied): New.
7426         (assign_parm_setup_reg): Use it.
7427         * calls.c (initialize_argument_information): Likewise.
7428         (emit_library_call_value_1): Likewise.
7429         * function.h (reference_callee_copied): Declare.
7430
7431         * target.h (struct gcc_target): Add callee_copies.
7432         * target-def.h (TARGET_CALLEE_COPIES): New.
7433         (TARGET_PASS_BY_REFERENCE): Update default.
7434         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7435         * targhooks.c (hook_callee_copies_named): New.
7436         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
7437         hook_pass_by_reference_false.
7438         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
7439         * targhooks.h: Update decls.
7440         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
7441         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7442         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
7443         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
7444         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7445         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
7446         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7447         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
7448         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7449         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
7450         (mips_callee_copies): New.
7451         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7452         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
7453         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7454         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
7455         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7456         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
7457         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7458         * config/sh/sh.c (sh_callee_copies): New.
7459         (TARGET_CALLEE_COPIES): New.
7460         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7461         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
7462         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7463         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
7464         for FUNCTION_ARG_CALLEE_COPIES.
7465         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
7466
7467 2004-09-08  Devang Patel  <dpatel@apple.com>
7468
7469         * tree-if-conv.c (find_phi_replacement_condition): Return true
7470         edge block.
7471         (replace_phi_with_cond_modify_expr): Select conditional expr args
7472         based on true edge basic block.
7473
7474 2004-09-08  Jan Hubicka  <jh@suse.cz>
7475
7476         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
7477         variables being alias set.
7478
7479 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7480
7481         * final.c (shorten_branches, final, get_insn_template,
7482         output_alternate_entry_point, final_scan_insn, alter_subreg,
7483         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
7484         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
7485         * fix-header.c (lookup_std_proto): Likewise.
7486         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
7487         verify_local_live_at_start, update_life_info, mark_reg,
7488         calculate_global_regs_live, allocate_reg_life_data,
7489         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
7490         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
7491         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
7492         * fold-const.c (force_fit_type, div_and_round_double,
7493         may_negate_without_overflow_p, int_const_binop, const_binop,
7494         size_binop, size_diffop, fold_convert_const, fold_convert,
7495         invert_tree_comparison, swap_tree_comparison,
7496         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
7497         range_binop, make_range, fold_cond_expr_with_comparison,
7498         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
7499         fold_abs_const, fold_not_const, fold_relational_const, round_up,
7500         round_down): Likewise.
7501         * function.c (find_function_data, assign_stack_temp_for_type,
7502         instantiate_virtual_regs_lossage, aggregate_value_p,
7503         assign_parm_find_entry_rtl, assign_parm_setup_block,
7504         expand_function_start, expand_function_end, keep_stack_depressed,
7505         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
7506
7507 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
7508
7509         * Makefile.in (tree-loop-linear.o): Added.
7510         (OBJS-common): Add tree-loop-linear.o
7511         * common.opt: New flag, ftree-loop-linear.
7512         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
7513         * tree-flow.h: Add prototype for linear_transform_loops.
7514         * tree-optimize.c: Add linear transform after vectorization.
7515         * tree-pass.h: Add struct pass_linear_transform.
7516         * tree-ssa-loop.c: Add pass_linear_transform.
7517         * tree-loop-linear.c: New file.
7518         * lambda-code.c: gcc_assertify.
7519         (gcc_loop_to_lambda_loop): Handle all exit tests.
7520         Handle case where we have (invariant >= induction var).
7521         (find_induction_var_from_exit_cond): Ditto.
7522
7523 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
7524
7525         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
7526         memory tag is call clobbered, so are its aliases.
7527         (group_aliases): When two memory tags being grouped, if one is
7528         call clobbered, so are the other and its aliases.
7529         (add_may_alias): Remove call-clobbering stuff.
7530         (replace_may_alias): Likewise.
7531         (merge_pointed_to_info): Merge pt_global_mem
7532
7533 2004-09-08  Jan Hubicka  <jh@suse.cz>
7534
7535         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
7536         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
7537         (cgraph_expand_function): Remove stale cgraph edges of currently
7538         compiled function; fix non-unit-at-a-time code copying function
7539         node for later reuse.
7540
7541 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7542
7543         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
7544         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
7545         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
7546         (vec_gc_free, vec_heap_free): New.
7547         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
7548         (DEF_VEC_P): Add allocator argument. Adjust.
7549         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
7550         (DEF_VEC_O): Add allocator argument. Adjust.
7551         (VEC(free)): New.
7552
7553         * tree.h (tree): Define a GC'd vector.
7554         * lamba-code.c (lambda_loop): Likewise.
7555         * value-prof.h (histogram_value): Likewise.
7556
7557 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7558
7559         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
7560         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
7561         gen_lowpart_common, gen_highpart, gen_highpart_mode,
7562         subreg_highpart_offset, operand_subword, operand_subword_force,
7563         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
7564         set_mem_alias_set, change_address_1, verify_rtx_sharing,
7565         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
7566         try_split, add_insn_after, add_insn_before, remove_insn,
7567         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
7568         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
7569         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
7570         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
7571         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
7572         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
7573         record_path_before_1, check_path_after_1, check_path_after): Likewise.
7574         * except.c (gen_eh_region, resolve_one_fixup_region,
7575         remove_unreachable_regions, convert_from_eh_region_ranges_1,
7576         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
7577         connect_post_landing_pads, sjlj_emit_function_exit,
7578         remove_exception_handler_label, remove_eh_handler,
7579         reachable_next_level, collect_one_action_chain,
7580         output_function_exception_table): Likewise.
7581         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
7582         optimize_save_area_alloca, allocate_dynamic_stack_space,
7583         probe_stack_range, hard_function_value): Likewise.
7584         * expmed.c (mode_for_extraction, store_bit_field,
7585         store_fixed_bit_field, extract_bit_field, expand_shift,
7586         expand_mult_const, expand_mult, choose_multiplier,
7587         expand_mult_highpart, expand_divmod, emit_store_flag,
7588         do_cmp_and_jump): Likewise.
7589         * expr.c (convert_move, convert_modes, move_by_pieces,
7590         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
7591         move_block_from_reg, gen_group_rtx, emit_group_load,
7592         emit_group_move, emit_group_store, use_reg, use_regs,
7593         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
7594         emit_move_insn, emit_move_insn_1, emit_push_insn,
7595         expand_assignment, store_expr, count_type_elements,
7596         store_constructor, store_field, safe_from_p, expand_var,
7597         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
7598
7599 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7600
7601         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
7602         gcc_assert and gcc_unreachable.
7603         * ddg.c (create_ddg_dependence, add_deps_for_def,
7604         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
7605         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
7606         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
7607         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
7608         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
7609         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
7610         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
7611         dataflow_set_copy, hybrid_search, diagnostic.c,
7612         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
7613         * dojump.c (do_jump): Likewise.
7614         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
7615         compute_dom_fast_query, calculate_dominance_info,
7616         free_dominance_info, get_immediate_dominator,
7617         set_immediate_dominator, get_dominated_by,
7618         redirect_immediate_dominators, nearest_common_dominator,
7619         dominated_by_p, verify_dominators, recount_dominator,
7620         iterate_fix_dominators, add_to_dominance_info,
7621         delete_from_dominance_info): Likewise.
7622         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
7623         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
7624         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
7625         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
7626         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
7627         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
7628         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
7629         output_call_frame_info, output_loc_operands, build_cfa_loc,
7630         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
7631         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
7632         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
7633         splice_child_die, attr_checksum, same_dw_val_p,
7634         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
7635         unmark_dies, value_format, output_loc_list, output_die,
7636         output_pubnames, output_aranges, base_type_die, is_base_type,
7637         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
7638         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
7639         field_byte_offset, add_data_member_location_attribute,
7640         add_const_value_attribute, rtl_for_decl_location,
7641         add_location_or_const_value_attribute, add_byte_size_attribute,
7642         add_bit_offset_attribute, add_bit_size_attribute,
7643         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
7644         decl_start_label, gen_formal_parameter_die,
7645         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
7646         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
7647         force_decl_die, force_type_die, gen_decl_die,
7648         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
7649         dwarf2out_finish): Likewise.
7650
7651 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
7652
7653         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
7654         * builtins.c: Include tree-mudflap.h.
7655
7656 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
7657
7658         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
7659         force operand 0.0 into register in XFmode. Also do not force
7660         operand 0.0 into register if !TARGET_CMOVE.
7661         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
7662         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
7663         implement ftst x87 instruction.
7664         (*fp_jcc_7): New insn pattern. Change corresponding split
7665         pattern to handle "general_operand" instead of
7666         "nonimmediate_operand".
7667
7668 2004-09-08  Ben Elliston  <bje@au.ibm.com>
7669
7670         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
7671
7672 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
7673
7674         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
7675         generated from standard va_arg expansion.
7676         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
7677         marked nodes.
7678         (mf_varname_tree, mf_file_function_line_tree): Add some support
7679         for column numbers if compiled with USE_MAPPED_LOCATION.
7680
7681 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
7682
7683         * c-decl.c (groktypename_in_parm_context): Remove function.
7684         * c-tree.h (groktypename_in_parm_context): Remove prototype.
7685
7686 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
7687
7688         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
7689         * c-parse.in: Include c-common.h instead of objc-act.h.
7690         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
7691         myparms, myparm): Remove %type declarations.
7692         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
7693         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
7694         declarations.
7695         (objc_inherit_code, objc_public_flag): Remove.
7696         (typespec_nonreserved_nonattr): Call
7697         objc_get_protocol_qualified_type() instead of get_static_reference()
7698         and get_protocol_reference().
7699         (stmt_nocomp): Call grokparm() on @catch parameter.
7700         (objcdef): Move semantic action to objc_finish_implementation().
7701         (classdef): Move semantic action to objc_start_class_interface(),
7702         objc_continue_interface(), objc_finish_interface(),
7703         objc_start_class_implementation(), objc_continue_implementation(),
7704         objc_start_category_interface() and
7705         objc_start_category_implementation().
7706         (protocoldef): Move semantic actions to objc_start_protocol() and
7707         objc_finish_interface().
7708         (ivar_decl_list): Remove nonterminal.
7709         (visibility_spec): Move semantic actions to objc_set_visibility().
7710         (ivar_decls): Remove assignment to $$.
7711         (ivar_decl): Rephrase in terms of component_decl; call
7712         objc_add_instance_variable().
7713         (ivars, ivar_declarator): Remove nonterminals.
7714         (opt_semi): New nonterminal.
7715         (methodtype): Remove semantic actions.
7716         (methoddef): Move semantic actions to objc_set_method_type(),
7717         objc_start_method_definition() and objc_finish_method_definition().
7718         (methodproto): Move semantic actions to objc_set_method_type() and
7719         objc_add_method_declaration().
7720         (methoddecl): Use objc_typename instead of typename; move semantic
7721         actions to objc_build_method_signature().
7722         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
7723         (optparmlist): Express in terms of optparms and optellipsis.
7724         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
7725         nonterminals.
7726         (keyworddecl): Use objc_typename instead of typename.
7727         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
7728         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
7729
7730 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
7731
7732         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
7733         (MD_FALLBACK_FRAME_STATE_FOR): Update.
7734         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
7735         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
7736         (MD_FROB_UPDATE_CONTEXT): Remove default.
7737         (uw_update_context_1): Instead #ifdef invocation.
7738         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
7739         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
7740         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
7741         (MD_UNWIND_SUPPORT): Undefine this instead.
7742         * config/i386/gnu.h: Likewise.
7743         * config/alpha/linux-unwind.h: New file, macro converted to
7744         function, extracted from..
7745         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
7746         (MD_UNWIND_SUPPORT): Define.
7747         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
7748         * config/i386/linux-unwind.h, config/i386/linux.h,
7749         config/i386/linux64.h: Likewise.
7750         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
7751         MD_HANDLE_UNWABI too.
7752         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
7753         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
7754         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
7755         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
7756         * config/sparc/linux-unwind.h, config/sparc/linux.h,
7757         config/sparc/linux64.h: Likewise.
7758         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
7759         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
7760         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
7761         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
7762         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
7763
7764 2004-09-07  Jan Hubicka  <jh@suse.cz>
7765
7766         * cse.c (fold_rtx):  Avoid building of
7767         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
7768
7769         * tree-ssa-pre.c (grand_bitmap_obstack): New.
7770         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
7771         (init_pre): Initialize obstack.
7772         (fini_pre): Free obstack.
7773
7774 2004-09-07  David Daney  <ddaney@avtrex.com>
7775
7776         * config.gcc: Added support for --with-divide=[breaks|traps] for
7777         mips targets.
7778         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
7779         (TARGET_DIVIDE_TRAPS): New macro.
7780         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
7781         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
7782         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
7783         GENERATE_DIVIDE_TRAPS.
7784         (mips_output_division): Emit conditional trap if
7785         GENERATE_DIVIDE_TRAPS is set.
7786         * doc/install.texi: Document --with-divide.
7787         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
7788
7789 2004-09-07  Caroline Tice  <ctice@apple.com>
7790
7791         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
7792         EDGE_CROSSING, to flags test case.
7793
7794 2004-09-07  Jan Hubicka  <jh@suse.cz>
7795
7796         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
7797         class too.
7798
7799 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
7800
7801         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
7802         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
7803         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
7804         or gcc_unreachable.
7805         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
7806         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
7807         alloc_aux_for_edges, free_aux_for_edges): Likewise.
7808         * cfgcleanup.c (try_forward_edges,
7809         merge_blocks_move_predecessor_nojumps,
7810         merge_blocks_move_successor_nojumps): Likewise.
7811         * cfgexpand.c (expand_gimple_cond_expr,
7812         expand_gimple_tailcall): Likewise.
7813         * cfghooks.c (duplicate_block): Likewise.
7814         * cfglayout.c (record_effective_endpoints,
7815         insn_locators_initialize, change_scope, fixup_reorder_chain,
7816         verify_insn_chain, fixup_fallthru_exit_predecessor,
7817         duplicate_insn_chain, cfg_layout_finalize): Likewise.
7818         * cfgloopanal.c (check_irred): Likewise.
7819         * cfgloop.c (superloop_at_depth, flow_loops_free,
7820         flow_loop_entry_edges_find, flow_loops_find,
7821         flow_loop_outside_edge_p, get_loop_body,
7822         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
7823         get_loop_exit_edges, num_loop_branches, cancel_loop,
7824         verify_loop_structure): Likewise.
7825         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
7826         duplicate_loop_to_header_edge, create_preheader,
7827         create_loop_notes): Likewise.
7828         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
7829         edirect_branch_edge, force_nonfallthru_and_redirect,
7830         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
7831         commit_edge_insertions, commit_edge_insertions_watch_calls,
7832         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
7833         cfg_layout_redirect_edge_and_branch_force,
7834         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
7835         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
7836         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
7837         cgraph_varpool_node): Likewise.
7838         * cgraphunit.c (cgraph_finalize_function,
7839         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
7840         cgraph_expand_function, cgraph_remove_unreachable_nodes,
7841         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
7842         cgraph_mark_inline, cgraph_expand_all_functions,
7843         cgraph_build_static_cdtor): Likewise.
7844         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
7845         simplify_logical, distribute_notes, insn_cuid): Likewise.
7846         * conflict.c (conflict_graph_add, print_conflict): Likewise.
7847         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
7848         coverage_checksum_string): Likewise.
7849         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
7850         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
7851         cse_cc_succs, cse_condition_code_reg): Likewise.
7852         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
7853         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
7854         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
7855         cselib_record_set): Likewise.
7856
7857 2004-09-07  Jan Hubicka  <jh@suse.cz>
7858
7859         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
7860
7861 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
7862
7863         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
7864         fold_convert.
7865         (fold_builtin_strpbrk): Likewise.
7866         * expr.c (array_ref_low_bound): Likewise.
7867         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
7868         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
7869         * tree-sra.c (generate_element_zero): Likewise.
7870         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
7871         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
7872         add_old_iv_candidates, add_iv_candidates): Likewise.
7873         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
7874
7875 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
7876
7877         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
7878         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
7879         c_expand_expr, boolean_increment, nonnull_check_p,
7880         check_function_arguments_recurse, fold_offsetof_1): Likewise.
7881         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
7882         builtin_define_type_max): Likewise.
7883         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
7884         implicit_decl_warning, builtin_function, build_compound_literal,
7885         complete_array_type, grokdeclarator, get_parm_info,
7886         start_function, store_parm_decls_oldstyle,
7887         c_write_global_declarations): Likewise.
7888         * c-format.c (get_constant, decode_format_attr,
7889         maybe_read_dollar_number, get_flag_spec, check_format_arg,
7890         check_format_types, format_type_warning,
7891         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
7892         init_dynamic_diag_info, handle_format_attribute): Likewise.
7893         * c-gimplify.c (push_context, pop_context, finish_bc_block):
7894         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
7895         * c-objc-common.c (c_tree_printer): Likewise.
7896         * c-pch.c (pch_init): Likewise.
7897         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
7898         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
7899         * c-typeck.c (c_incomplete_type_error, composite_type,
7900         common_pointer_type, common_type, same_translation_unit_p,
7901         tagged_types_tu_compatible_p, finish_init, pop_init_level,
7902         set_designator, set_nonincremental_init_from_string,
7903         process_init_element, c_finish_if_stmt): Likewise.
7904         * caller-save.c (init_caller_save, save_call_clobbered_regs,
7905         insert_restore, insert_save, insert_one_insn): Likewise.
7906         * calls.c (emit_call_1, compute_argument_block_size,
7907         precompute_arguments, expand_call, emit_library_call_value_1,
7908         store_one_arg): Likewise.
7909
7910 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
7911
7912         * configure.ac (enable-checking): Add release option. Reorganize
7913         to avoid repetition.
7914         * configure: Rebuilt.
7915         * doc/install.texi (enable-checking): Amend documentation.
7916
7917 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
7918
7919         PR bootstrap/17313
7920         * Makefile.in (specs.ready): Depend on cc1$(exeext).
7921
7922 2004-09-06  James E Wilson  <wilson@specifixinc.com>
7923
7924         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
7925         movdf_hardfloat_32bit): Split fG into two alternatives.
7926         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
7927
7928         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
7929
7930 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7931
7932         * final.c (output_in_slot): Delete.
7933         (final_scan_insn): Revert 2004-09-03 change.
7934         (output_asm_insn): Likewise.
7935         * config/sparc/sparc.c (output_return): Likewise.
7936         (output_sibcall): Likewise.
7937
7938 2004-09-06  Jan Hubicka  <jh@suse.cz>
7939
7940         * loop.c (loop_dump_aux): Do not print RTL when not available.
7941         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
7942         frontend specific type nodes.
7943         (produce_memory_decl_rtl): Break out from ...
7944         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
7945         (get_computation_at): Avoid random tree sharing.
7946         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
7947
7948 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
7949
7950         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
7951         unnecessary commands.
7952
7953 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
7954
7955         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
7956         (bitmap.o): Likewise.
7957
7958 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
7959
7960         Unify the management of RTL and tree-level dump files.
7961
7962         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
7963         Don't print function name to the dump file, the pass manager
7964         would do this for us. Add code from the top of
7965         rest_of_compilation, up to the initial RTL dump.
7966         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
7967         close the DFI_sibling dump file.
7968         (rest_of_compilation): Don't do that here.  Remove code up to the
7969         initial RTL dump.
7970         (init_optimization_passes): Remove.
7971         (pass_rest_of_compilation): Change pass name to NULL.
7972         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
7973         Do not call init_optimization_passes.
7974         * toplev.h (init_optimization_passes): Remove.
7975
7976         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7977         finish_graph_dump_file): Remove SUFFIX parameter.
7978         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
7979         finish_graph_dump_file): Likewise.
7980
7981         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
7982         * cfgexpand.c (pass_expand): Adjust.
7983         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
7984         * passes.c (pass_rest_of_compilation): Adjust.
7985         * predict.c (pass_profile): Adjust.
7986         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
7987         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
7988         pass_split_crit_edges, pass_warn_function_return): Adjust.
7989         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
7990         * tree-dfa.c (pass_referenced_vars): Adjust.
7991         * tree-eh.c (pass_lower_eh): Adjust.
7992         * tree-if-conv.c (pass_build_ssa): Adjust.
7993         * tree-into-ssa.c (pass_build_ssa): Adjust.
7994         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
7995         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
7996         * tree-nrv.c (pass_nrv): Adjust.
7997         * tree-optimize.c (pass_gimple, pass_all_optimizations,
7998         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7999         pass_init_datastructures): Adjust.
8000         * tree-outof-ssa.c (pass_del_ssa): Adjust.
8001         * tree-profile.c (pass_tree_profile): Adjust.
8002         * tree-sra.c (pass_sra): Adjust.
8003         * tree-ssa-alias.c (pass_may_alias): Adjust.
8004         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
8005         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
8006         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
8007         * tree-ssa-dom.c (pass_dominator): Adjust.
8008         * tree-ssa-dse.c (pass_dse): Adjust.
8009         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
8010         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
8011         * tree-ssa-loop-ch.c (pass_ch): Adjust.
8012         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
8013         pass_loop_done, pass_complete_unroll, pass_iv_canon,
8014         pass_iv_optimize, pass_vectorize): Adjust.
8015         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
8016         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
8017         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
8018         pass_late_warn_uninnitialized): Adjust.
8019         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
8020
8021         * Makefile.in (tree-dump.o): Add new dependencies.
8022         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
8023         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
8024         Likewise.
8025         * toplev.c (dump_file_name): New.
8026         * tree-dump.c (dump_enable_all): Add LETTER parameter.
8027         (struct dump_file_info): Add NUM and LETTER fields.
8028         (dump_files): Adjust and add RTL dump files.
8029         (dump_register): Add NUM and LETTER fields.
8030         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
8031         (dump_begin): Use get_dump_file_name.
8032         (dump_switch_p_1): Adjust call to dump_enable_all.
8033         * tree-dump.h (dump_register): Adjust prototype.
8034         * tree-optimize.c (register_one_dump_file): Take dump file index.
8035         Support flags for RTL dumps.
8036         (register_dump_files): Fill in NUM field of struct dump_file_info.
8037         Track properties both when the gate is executed and when it is not.
8038         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
8039         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
8040         dumps of RTL.
8041         * tree-pass.h (dump_file_name): New.
8042         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
8043         New.
8044
8045         * Makefile.in (passes.o): Add new dependencies.
8046         * passes.c (struct dump_file_info, enum dump_file_index,
8047         dump_file_tbl, init_optimization_passes): Remove.
8048         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
8049         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
8050         dump_enabled_p.
8051         (finish_optimization_passes): Update finish_graph_dump_file loop.
8052         (enable_rtl_dump_file): Remove.
8053         * tree-dump.c (dump_files): Adjust and add RTL dump files.
8054         (enable_rtl_dump_file): Add here.
8055         * tree.h (enum tree_dump_index): Add RTL dump file indices.
8056         * doc/invoke.texi (Debugging options): Document new RTL debugging
8057         options.  Update.
8058
8059 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
8060
8061         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
8062         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
8063         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
8064         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
8065         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
8066         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
8067         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
8068         vec.h: Fix comment formatting.
8069
8070 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
8071
8072         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
8073         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
8074         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
8075         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
8076         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
8077         tree-ssa-loop-niter.c, tree-ssa-operands.c,
8078         tree-ssa-operands.h, tree-ssa-propagate.c,
8079         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
8080         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
8081
8082 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
8083
8084         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
8085         vectorizer is enabled.
8086
8087 2004-09-05  Andreas Jaeger  <aj@suse.de>
8088
8089         * tree-if-conv.c: Spell check comments and clean up whitespace.
8090
8091 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8092
8093         * tree-ssa-loop-ivopts.c: New file.
8094         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
8095         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
8096         target_pres_cost, target_spill_cost): Declare.
8097         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
8098         spill_cost): Renamed to ...
8099         (target_avail_regs, target_res_regs, target_small_cost,
8100         target_pres_cost, target_spill_cost): ... and exported.
8101         (init_set_costs, global_cost_for_size): Work with renamed variables.
8102         * common.opt (flag_ivopts): New flag.
8103         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
8104         REF_ORIGINAL.
8105         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
8106         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
8107         generating SSA form.
8108         (force_gimple_operand): New function.
8109         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
8110         * tree-cfg.c (stmt_bsi): New function.
8111         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
8112         PARAM_IV_MAX_CONSIDERED_USES): New.
8113         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
8114         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
8115         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
8116         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
8117         * tree-nested.c (build_addr): Export.
8118         * tree-optimize.c (init_tree_optimization_passes): Add
8119         pass_iv_optimize.
8120         * tree-pass.h (pass_iv_optimize): Declare.
8121         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
8122         IMAGPART_EXPR.
8123         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
8124         as a phi node argument.
8125         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
8126         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
8127         functions.
8128         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
8129         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
8130         pass_iv_optimize): New pass.
8131         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
8132         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
8133         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
8134         * tree.h (REF_ORIGINAL): New macro.
8135         (build_int_cst_type, unsigned_type_for, zero_p,
8136         cst_and_fits_in_hwi, build_addr): Declare.
8137         * doc/invoke.texi (-fivopts): Document.
8138         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
8139         PARAM_IV_MAX_CONSIDERED_USES): Document.
8140         * doc/passes.texi: Document induction variable optimizations pass.
8141
8142 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8143
8144         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
8145         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
8146         * c-common.c (c_common_attribute_table): Accept parameters to
8147         sentinel attribute.
8148         (check_function_sentinel, handle_sentinel_attribute): Likewise.
8149         * doc/extend.texi: Update accordingly.
8150
8151 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8152
8153         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
8154         New.
8155         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
8156         attribute.
8157         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
8158         New functions.
8159         (c_common_attribute_table): Add `sentinel' attribute.
8160         (check_function_arguments): Handle `sentinel' attribute.
8161         * doc/extend.texi: Document `sentinel' attribute.
8162
8163 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
8164
8165         * configure: Regenerated.
8166
8167 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8168
8169         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
8170
8171         * tree.c (save_expr): No longer TREE_READONLY.
8172
8173 2004-09-04  Jan Hubicka  <jh@suse.cz>
8174
8175         * passes.c (rest_of_clean_state):  Fix merge conflict made during
8176         commiting the patch.
8177
8178 2004-09-04  Jan Hubicka  <jh@suse.cz>
8179
8180         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
8181
8182 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
8183
8184         * doc/md.texi (shift patterns): New anchor.  Add reference to
8185         TARGET_SHIFT_TRUNCATION_MASK.
8186         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
8187         * target.h (shift_truncation_mask): New target hook.
8188         * targhook.h (default_shift_truncation_mask): Declare.
8189         * targhook.c (default_shift_truncation_mask): Define.
8190         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
8191         (TARGET_INITIALIZER): Include it.
8192         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
8193         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
8194         reject all out-of-range values.  Fix sign-extension code for modes
8195         whose width is smaller than HOST_BITS_PER_WIDE_INT.
8196         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
8197         (expand_superword_shift, expand_subword_shift): Likewise.
8198         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
8199         (expand_binop): Use them to implement double-word shifts.
8200         * config/arm/arm.c (arm_shift_truncation_mask): New function.
8201         (TARGET_SHIFT_TRUNCATION_MASK): Define.
8202
8203 2004-09-04  Jan Hubicka  <jh@suse.cz>
8204
8205         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
8206         (mix): New macro copied from hashtab.c
8207         (iterative_hash_hashval_t, iterative_hash_pointer,
8208         iterative_hash_host_wide_int): New functions based on hashtab.c
8209         implementation.
8210
8211 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
8212
8213         * config/mips/mips.md (mask): New mode attribute.
8214         (zero_extendsidi2): Add memory alternative.
8215         (*zero_extendsidi2_mem): Delete.
8216         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
8217         memory_operand in the TARGET_MIPS16 check.
8218         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
8219         Redefine using :GPR and :SHORT.
8220         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
8221
8222 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
8223
8224         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
8225         using rint_optab.
8226         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
8227         expand_builtin_mathfn.
8228         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
8229         btrunc?f patterns for btrunc_optab. Implement rint_optab using
8230         rint?f patterns.
8231         * optabs.c (init_optabs): Initialize rint_optab.
8232         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
8233         Add new OTI_rint.
8234         (btrunc_optab): Rename macro from trunc_optab.
8235         (rint_optab): Define corresponding macro.
8236
8237         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
8238         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
8239
8240         * config/i386/i386-protos.h (emit_i387_cw_initialization):
8241         Change prototype. Add new int parameter.
8242         * config/i386/i386.c (emit_i387_cw_initialization):
8243         Handle new rounding modes.
8244
8245         * config/i386/i386.h (enum fp_cw_mode): Delete.
8246         (MODE_NEEDED): Handle new rounding modes.
8247         (EMIT_MODE_SET): Change condition to handle new rounding modes.
8248
8249         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
8250         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
8251         represent different rounding modes of frndint insn.
8252         (type): Add frndint type.
8253         (i387, length, memory): Handle this type.
8254         (i387_cw): New attribute definition.
8255         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
8256         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
8257         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
8258         Add "i387_cw" attribute defined to "trunc".
8259         (x86_fnstcw_1): Remove comment.
8260         (*frndintxf2): Rename insn definition to frndintxf2. Move
8261         insn definition near rint?f2 expanders.
8262         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
8263         rintf and rintl built-ins as inline x87 intrinsics.
8264         (frndintxf2_floor): New pattern to implement floor rounding
8265         mode with frndint x87 instruction.
8266         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
8267         floorf and floorl built-ins as inline x87 intrinsics.
8268         (frndintxf2_ceil): New pattern to implement ceil rounding
8269         mode with frndint x87 instruction.
8270         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
8271         ceilf and ceill built-ins as inline x87 intrinsics.
8272         (frndintxf2_trunc): New pattern to implement trunc rounding
8273         mode with frndint x87 instruction.
8274         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
8275         truncf and truncl built-ins as inline x87 intrinsics.
8276         (frndintxf2_mask_pm): New pattern to implement rounding
8277         mode with exceptions with frndint x87 instruction.
8278         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
8279         implement nearbyint, nearbyintf and nearbyintl built-ins as
8280         inline x87 intrinsics.
8281
8282 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
8283
8284         * config/mips/mips.md (SHORT): New mode macro.
8285         (size): New mode attribute.
8286         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
8287         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
8288         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
8289         !ISA_HAS_SEB_SEH.
8290         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
8291         *extend[qh]isi2_hw patterns and extending them to di.
8292         (extendqihi2): Implement as define_insn_and_split that produces
8293         extendqisi2 after reload.
8294
8295 2004-09-03  Devang Patel  <dpatel@apple.com>
8296
8297         * Makefile.in (OBJS-common): Add tree-if-conv.o
8298         (tree-if-conv.o): New rule.
8299         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
8300         (get_loop_body_in_bfs_order): New.
8301         * cfgloop.h (get_loop_body_in_bfs_order): New.
8302         * tree-flow.h (enum move_pos): Move here from ..
8303         * tree-ssa-loop-im.c (enum move_pos): here.
8304         (movement_possibility): Make externally visible.
8305         * tree-optimize.c (init_tree_optimization_passes): New entry for
8306         if conversion pass.
8307         * tree-pass.h (pass_if_conversion): New.
8308         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
8309         * tree-if-conv.c: New file.
8310         * doc/passes.texi: Document tree if-conversion pass.
8311         * doc/tree-ssa.texi: Same.
8312
8313 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
8314
8315         PR target/14925:
8316         Makefile.in (LIB2ADDEHSTATIC): New.
8317         (LIB2ADDEHSHARED): New.
8318         (LIBUNWIND): New.
8319         (LIBUNWINDDEP): New.
8320         (SHLIBUNWIND_LINK): New.
8321         (SHLIBUNWIND_INSTALL): New.
8322         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
8323         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
8324         (clean): Remove libunwind*
8325         (stage1-start): Remove and copy stage1/libunwind*.
8326         (stage2-start): Remove and copy stage2/libunwind*.
8327         (stage3-start): Remove and copy stage3/libunwind*.
8328         (stage4-start): Remove and copy stage4/libunwind*.
8329         (stageprofile-start): Remove and copy stageprofile/libunwind*.
8330         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
8331
8332         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
8333         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
8334         tmake_file if --with-system-libunwind isn't used.
8335
8336         * config/ia64/t-glibc-libunwind: New file.
8337         * config/t-libunwind-elf: Likewise.
8338         * unwind-compat.c: Likewise.
8339         * unwind-compat.h: Likewise.
8340         * unwind-dw2-fde-compat.c: Likewise.
8341
8342         * config/ia64/t-glibc (LIB2ADDEH): Updated.
8343         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
8344
8345         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
8346         aliases if needed.
8347         * unwind-dw2-fde-glibc.c: Likewise.
8348         * unwind-dw2.c: Likewise.
8349
8350         * config/t-libunwind (LIB2ADDEH): Updated.
8351         (LIB2ADDEHSTATIC): New.
8352         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
8353         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
8354
8355         * configure.ac: Change --enable-libunwind-exceptions to
8356         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
8357         * configure: Regenerated.
8358         * config.in: Updated.
8359
8360         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
8361         above and mention --with-system-libunwind.
8362         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
8363         removed in gcc 3.4.3 and later.
8364
8365         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
8366         USE_LIBUNWIND_EXCEPTIONS is defined.
8367
8368         * mklibgcc.in: Support libunwind.
8369
8370 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
8371
8372         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
8373         m_NOCONA.
8374
8375 2004-09-03  Richard Henderson  <rth@redhat.com>
8376
8377         PR middle-end/9997
8378         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
8379         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
8380         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
8381         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
8382         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
8383         resize_stack_vars_conflict, add_stack_var_conflict,
8384         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
8385         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
8386         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
8387         expand_one_static_var, expand_one_hard_reg_var,
8388         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
8389         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
8390         (expand_used_vars): Rewrite.
8391         * Makefile.in (cfgexpand.o): Update dependencies.
8392
8393 2004-09-04  Jan Hubicka  <jh@suse.cz>
8394
8395         * cfg.c (free_edge): Use ggc_free.
8396         (expunge_block): Use ggc_free.
8397         * passes.c (rest_of_clean_state): Free after compilation.
8398         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
8399         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
8400
8401 2004-09-03  James E Wilson  <wilson@specifixinc.com>
8402
8403         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
8404         DECL_EXTERNAL check.
8405
8406 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8407
8408         * final.c (output_in_slot): New global variable.
8409         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
8410         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
8411         'output_in_slot' before invoking output_asm_insn.
8412         (output_asm_insn): Add a space after the tab if 'output_in_slot'
8413         is set.
8414         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
8415         final_scan_insn.
8416         (output_sibcall): Likewise.
8417
8418 2004-09-03  Jan Hubicka  <jh@suse.cz>
8419
8420         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
8421         * tree-ssanames (init_ssanames): Likewise.
8422
8423 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
8424
8425         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
8426         objc_declare_protocols, objc_start_protocol,
8427         objc_start_class_interface, objc_start_category_interface,
8428         objc_continue_interface, objc_finish_interface,
8429         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
8430         objc_start_class_implementation, objc_start_category_implementation,
8431         objc_continue_implementation, objc_finish_implementation,
8432         objc_add_method_declaration, objc_start_method_definition,
8433         objc_finish_method_definition, objc_build_keyword_decl,
8434         objc_build_method_signature, objc_build_encode_expr,
8435         objc_build_protocol_expr, objc_build_selector_expr,
8436         objc_build_message_expr, objc_build_string_object,
8437         objc_get_class_reference, objc_get_protocol_qualified_type,
8438         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
8439
8440 2004-09-03  James E Wilson  <wilson@specifixinc.com>
8441
8442         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
8443
8444         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
8445         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
8446         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
8447         (mips_recip1_<fmt>): Use frdiv1 type.
8448         (mips_recip2_<fmt>): Use frdiv2 type.
8449         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
8450         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
8451         and frsqrt1.
8452         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
8453
8454 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
8455
8456         * reload.c (find_reloads): Swap operand_loc pointers for
8457         find_dummy_reload if we have swapped two operands.
8458
8459 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
8460
8461         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
8462         to get the tablejump-insn before the jump-table label.
8463
8464 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
8465
8466         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
8467         objc_declare_protocols, objc_build_message_expr,
8468         objc_finish_message_expr, objc_build_selector_expr,
8469         objc_build_protocol_expr, objc_build_encode_expr,
8470         objc_build_string_object, objc_get_protocol_qualified_type,
8471         objc_get_class_reference, objc_get_class_ivars,
8472         objc_start_class_interface, objc_start_category_interface,
8473         objc_start_protocol, objc_continue_interface, objc_finish_interface,
8474         objc_start_class_implementation, objc_start_category_implementation,
8475         objc_continue_implementation, objc_finish_implementation,
8476         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
8477         objc_add_method_declaration, objc_start_method_definition,
8478         objc_finish_method_definition, objc_add_instance_variable,
8479         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
8480         objc_finish_try_stmt, objc_begin_catch_clause,
8481         objc_finish_catch_clause, objc_build_finally_clause,
8482         objc_build_synchronized, objc_static_init_needed_p,
8483         objc_generate_static_init_call): New prototypes.
8484
8485 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
8486
8487         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
8488         is only one reg.
8489         (ia64_function_value): Ditto.
8490
8491 2004-09-03  Jan Beulich  <jbeulich@novell.com>
8492
8493         * config.gcc: Resurrect NetWare as a target. Handle special case of
8494         Novell linker to be used (specified through --with-ld=) and threading
8495         model of either Posix (default) or NKS.
8496         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
8497         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
8498         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
8499         * config/i386/netware.c, config/i386/netware.h: New.
8500         * config/i386/nwld.c, config/i386/nwld.h: New.
8501         * config/i386/netware-crt0.c: New.
8502         * config/i386/netware-libgcc.c: New.
8503         * config/i386/netware-libgcc.def: New.
8504         * config/i386/netware-libgcc.exp: New.
8505         * config/i386/t-netware, config/i386/t-nwld: New.
8506         * gthr-nks.h: New.
8507         * doc/install.texi: Document NKS threading model.
8508
8509 2004-09-03  Jan Beulich  <jbeulich@novell.com>
8510
8511         PR c/7054
8512         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
8513         * tree.h (initial_max_fld_align): Declare
8514         * stor-layout.c (initial_max_fld_align): Define and initialize.
8515         (maximum_field_alignment): Initialize to the same value.
8516         * common.opt: Add -fpack-struct= variant of switch.
8517         * opts.c: Handle -fpack-struct= variant of switch.
8518         * c-pragma.c: Change #pragma pack() handling so that it becomes
8519         compatible to other compilers: accept individual 'push' argument,
8520         make final pop restore (command line) default, correct interaction
8521         of push/pop and sole specification of a new alignment (so that the
8522         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
8523         to #pragma pack(push, <n>).
8524         * doc/extend.texi: New node "Structure-Packing Pragmas" under
8525         "Pragmas", describing #pragma pack.
8526         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
8527         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
8528         Document new TARGET_DEFAULT_PACK_STRUCT.
8529
8530 2004-09-03  Devang Patel  <dpatel@apple.com>
8531
8532         * dwarf2out.c (gen_field_die). Equate decl number to die.
8533
8534 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
8535
8536         PR target/15832
8537         * global.c (modify_reg_pav): New function.
8538         (make_accurate_live_analysis): Call the new function.  Move pavin
8539         modification by earlyclobber set into the new function.
8540
8541 2004-09-03  Andreas Schwab  <schwab@suse.de>
8542
8543         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
8544         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
8545         extended.
8546
8547 2004-09-02  Jan Beulich  <jbeulich@novell.com>
8548
8549         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
8550         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
8551         not unwind code specific ones.
8552         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
8553         Remove unwind code specific dependencies.
8554         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
8555         Remove gbl-ctors.h.
8556         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
8557         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
8558         * tsystem.h: Declare memcpy and memset when inhibit_libc.
8559
8560 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
8561
8562         * combine.c (try_combine): Delay modifying of insns which cannot
8563         be easily undone.
8564
8565 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
8566
8567         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
8568         tree-loop-im.
8569         * gcc/tree-ssa-loop.c: Ditto
8570         * gcc/tree-ssa-loop-ivcanon.c: Ditto
8571         * gcc/doc/invoke.texi: Ditto.
8572
8573 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
8574
8575         * c-decl.c (store_parm_decls_newstyle): Make static.
8576         (store_parm_decls_from): New function.
8577         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
8578         (store_parm_decls_from): New prototype.
8579
8580 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
8581
8582         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
8583         HImode with STRICT_ALIGNMENT.
8584
8585 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
8586
8587         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
8588         (TARGET_OS_CPP_BUILTINS): Likewise.
8589         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
8590         TARGET_BPABI_CPP_BUILTINS.
8591
8592 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
8593
8594         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
8595
8596 2004-09-02  Eric Christopher  <echristo@redhat.com>
8597
8598         * builtins.c (expand_builtin_cabs): Delete.
8599         (expand_builtin): If unable to fold the values do a normal
8600         library call for builtin_cab*.
8601         (fold_builtin_cabs): Depend on optimize and optimize_size.
8602         * optabs.c (expand_cmplxdiv_straight): Delete.
8603         (expand_cmplxdiv_wide): Ditto.
8604         (expand_vector_binop): Ditto.
8605         (expand_vector_unop): Ditto.
8606         (expand_complex_abs): Delete.
8607         (expand_binop): Remove calls to above functions.
8608         Remove open coding of complex arithmetic.
8609         (expand_unop): Ditto.
8610         * optabs.h: Remove prototypes.
8611
8612 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
8613
8614         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
8615         * c-tree.h (store_parm_decls_newstyle): New prototype.
8616
8617 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
8618
8619         * config/rs6000/rs6000.c (expand_block_clear): Use vector
8620         instructions if available.
8621         (expand_block_move): Likewise.
8622
8623 2004-09-03  Jan Hubicka  <jh@suse.cz>
8624
8625         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
8626
8627 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
8628
8629         * config/arm/symbian.h (LIB_SPEC): Define to empty.
8630         * config/arm/t-symbian (SHLIB_LC): Likewise.
8631
8632 2004-09-02  Paul Brook  <paul@codesourcery.com>
8633
8634         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
8635
8636 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
8637
8638         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
8639         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
8640         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
8641         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
8642         (mips_issue_rate): Remove unreachable abort.
8643         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
8644         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
8645         (mips_block_move_straight, print_operand_address, mips_file_start)
8646         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
8647         (mips_output_conditional_branch, mips_expand_builtin_direct)
8648         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
8649         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
8650         with gcc_assert.
8651
8652 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
8653
8654         * config/mips/mips.md (*lea_high64): Change split condition to
8655         flow2_completed.  Add a peephole2 to generate a more parallel version.
8656
8657 2004-09-02  Jan Hubicka  <jh@suse.cz>
8658
8659         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
8660         GGC.
8661
8662         * ggc-page.c: include tree-flow.h.
8663         (extra_order_size_table): Add stmt_ann_d.
8664         (STAT_LABEL): Rename from ....
8665         (LABEL): ... this one.
8666         * Makefile.in (ggc-page.o): Add dependency.
8667
8668         * ggc-common.c (ggc_force_collect): New global variable.
8669         (loc_description): Add fields "freed", "collected"
8670         (ptr_hash): New static hash
8671         (ptr_hash_entry): New structure.
8672         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
8673         (ggc_record_overhead): Take ptr argument, record it
8674         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
8675         (cmp_statistics): Imrove sorting.
8676         (dump_ggc_loc_statistics): Output newly collected statistics
8677         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
8678         (ggc_free): Call ggc_free_overhead.
8679         (ggc_collect): Force collection when asked to be forced.
8680         (ggc_collect): Call ggc_prune_overhead_list.
8681         * ggc.h (ggc_force_collect): Declare
8682         (ggc_record_overhead): Update prototype.
8683         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
8684
8685 2004-09-02  James E Wilson  <wilson@specifixinc.com>
8686
8687         * common.opt (ftrapping-math): Default to on.
8688
8689 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
8690
8691         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
8692
8693 2004-09-02  Denis Chertykov  <denisc@overta.ru>
8694
8695         PR target/16884
8696         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
8697         match_scratch.
8698         (*movmemqi_insn): Likewise.
8699         (*movmemhi): Likewise.
8700         (clrmemhi): Likewise.
8701         (*clrmemqi): Likewise.
8702         (*clrmemhi): Likewise.
8703
8704 2004-09-02  Paul Brook  <paul@codesourcery.com>
8705
8706         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
8707         default_use_cxa_atexit=yes.
8708
8709 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
8710
8711         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
8712         (struct kernel_old_ucontext): Delete.
8713         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
8714         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
8715         when IN_LIGGCC2.
8716
8717 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
8718
8719         * toplev.c (process_options): Fix typo.
8720
8721 2004-09-01  Richard Henderson  <rth@redhat.com>
8722
8723         PR middle-end/17258
8724         * calls.c (initialize_argument_information): Tighten pass-through
8725         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
8726         Use build_fold_addr_expr.
8727         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
8728         that assumes ADDR_EXPR allocates stack space.
8729         * fold-const.c (build_fold_addr_expr_with_type): Look through
8730         WITH_SIZE_EXPR.
8731
8732 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
8733
8734         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
8735         * ggc.h (ggc_alloc_rtx): Delete.
8736
8737 2004-09-01  Roger Sayle  <roger@eyesopen.com>
8738
8739         * expmed.c (enum alg_code): Remove long unused enumeration values.
8740         (struct mult_cost): New structure to hold the "score" of a synthetic
8741         multiply sequence, including both a rtx_cost and a latency field.
8742         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
8743         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
8744         (struct algorithm): Change type of cost field to be mult_cost.
8745         (synth_mult): Change type of cost_limit argument to be a
8746         pointer to a mult_cost.  Update all cost comparisons to use the
8747         new mult_cost infrastructure.  For alg_add_factor and
8748         alg_sub_factor operations, latency is lower than the rtx_cost.
8749         (choose_mult_variant):  Update calls to synth_mult.  Perform
8750         cost comparisons using the new mult_cost infrastructure.
8751         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
8752         to optain the total rtx_cost of a synth_mult "algorithm".
8753
8754 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
8755
8756         * config/rs6000/power4.md: Increase store latency to 12.
8757         * config/rs6000/power5.md: Same.
8758
8759 2004-09-01  James E Wilson  <wilson@specifixinc.com>
8760
8761         PR target/14064
8762         * config/avr/avr.c (avr_unique_section): Delete prototype and
8763         definition.
8764         (TARGET_ASM_UNIQUE_SECTION): Delete.
8765
8766 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
8767
8768         * c-parse.in (primary): Call objc_build_message_expr(),
8769         objc_build_selector_expr(), objc_build_protocol_expr(),
8770         objc_build_encode_expr() and objc_build_string_object() instead of
8771         build_message_expr(), build_selector_expr(), build_protocol_expr(),
8772         build_encode_expr() and build_objc_string_object(), respectively.
8773         (component_decl_list2): Call objc_get_class_ivars() instead of
8774         get_class_ivars_from_name().
8775         (keyworddecl): Call objc_build_keyword_decl() instead of
8776         build_keyword_decl().
8777         (receiver): Call objc_get_class_reference() instead of
8778         get_class_reference().
8779         (reswords): Add blank line before @@ifobjc section, for clarity.
8780
8781 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
8782
8783         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
8784         to Altivec vetors.
8785
8786 2004-09-01  Wu Yongwei  <adah@sh163.net>
8787             Danny Smith  <dannysmith@users.sourceforge.net>
8788
8789         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
8790         not Windows 'DWORD'.
8791         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
8792         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
8793         (__gthr_win32_recursive_mutex_init_function): Add prototype for
8794         __GTHREAD_HIDE_WIN32API case..
8795         (__gthr_win32_recursive_mutex_lock): Likewise.
8796         (__gthr_win32_recursive_mutex_trylock): Likewise.
8797         (__gthr_win32_recursive_mutex_unlock): Likewise.
8798         (__gthread_recursive_mutex_init_function); Add definition for
8799         __GTHREAD_HIDE_WIN32API case.
8800         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
8801         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
8802         call to InterlockedDecrement.
8803
8804 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8805
8806         * tree-tailcall.c (find_tail_calls): Also fail is statement has
8807         volatile operands.
8808
8809         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
8810
8811         * doc/c-tree.texi: Document new operands for ARRAY_REF and
8812         COMPONENT_REF.
8813
8814 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8815
8816         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
8817         * common.opt (fspeculative-prefetching): New.
8818         * flags.h (flag_speculative_prefetching_set): Declare.
8819         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
8820         values.
8821         * opts.c (flag_sepculative_prefetching_set): New variable.
8822         (common_handle_option): Handle -fspeculative-prefetching.
8823         * passes.c (rest_of_compilation): Ditto.
8824         * profile.c (instrument_values, compute_value_histograms, branch_prob):
8825         Use vectors instead of arrays.
8826         * toplev.c (process_options): Handle -fspeculative-prefetching.
8827         * rtl-profile.c: Include ggc.h.
8828         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
8829         rtl_gen_one_value_profiler_no_edge_manipulation,
8830         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
8831         argument changed.
8832         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
8833         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
8834         argument changed.
8835         * value-prof.c: Include ggc.h.
8836         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
8837         macros.
8838         (insn_prefetch_values_to_profile, find_mem_reference_1,
8839         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
8840         speculative_prefetching_transform): New.
8841         (value_profile_transformations): Call speculative_prefetching_transform.
8842         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
8843         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
8844         tree_find_values_to_profile, find_values to profile): Use vectors
8845         instead of arrays.
8846         (free_profiled_values): Removed.
8847         * value-prof.h (struct histogram_value): Renamed to
8848         struct histogram_value_t.
8849         (histogram_value, histogram_values): New types.
8850         (find_values_to_profile): Declaration changed.
8851         (free_profiled_values): Removed.
8852         (struct profile_hooks): Type of argument of the hooks changed to
8853         histogram_value.
8854         * doc/invoke.texi (-fspeculative-prefetching): Document.
8855
8856 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8857
8858         PR rtl-optimization/16408
8859         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
8860
8861 2004-09-01  Richard Henderson  <rth@redhat.com>
8862
8863         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
8864         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
8865
8866 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
8867
8868         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
8869
8870 2004-09-01  Mike Stump  <mrs@apple.com>
8871
8872         * config/darwin.c (machopic_symbol_defined_p): In addition to
8873         being SYMBOL_REF_LOCAL_P, a symbol must also be
8874         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
8875         defined in this output file, or translation unit in the case
8876         of IMA not being used.
8877         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
8878         never need .indirect_symbol when indirecting.
8879
8880 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
8881
8882         * Makefile.in (bb-reorder.o): Add several dependencies.
8883
8884 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
8885
8886         * fold-const.c (operand_equal_p): Require equal sign also for
8887         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
8888
8889 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
8890
8891         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
8892         for use in configargs.h.  Put the cname in a separate variable.  Use
8893         that to set target_cpu_default2.
8894
8895 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
8896             Nick Clifton  <nickc@redhat.com>
8897
8898         * config/sh/sh.md ("length"): Increase branch length when
8899         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
8900         constant, 2 byte for aligning the constant.
8901
8902 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
8903
8904         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
8905         CPU.
8906         (arm7tdmi-s): New CPU name.
8907         * arm/arm.c (ARM_CORE): Update for new format.
8908         * arm/arm.h (ARM_CORE): Likewise.
8909         * arm/gentune.sh: Update for extra field.
8910         * config.gcc: Likewise.
8911         * arm/arm-tune.md: Regenerate.
8912         * doc/invoke.texi: Document the real processor names for ARM cpus.
8913
8914 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
8915
8916         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
8917         (floatdidf): New functions.
8918         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
8919         (floatdisf): New functions.
8920         * t-arm-elf: Use them.
8921
8922 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
8923
8924         * c-common.h (lookup_interface): Remove prototype.
8925         (is_class_name): Rename to objc_is_class_name.
8926         (lookup_objc_ivar): Rename to objc_lookup_ivar.
8927         (get_current_scope): Rename to objc_get_current_scope.
8928         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
8929         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
8930         (yylexname): Call objc_is_class_name() instead of is_class_name().
8931         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
8932         instead of lookup_objc_ivar().
8933         * stub-objc.c (lookup_interface): Remove stub.
8934         (is_class_name): Rename to objc_is_class_name.
8935         (lookup_objc_ivar): Rename to objc_lookup_ivar.
8936
8937 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
8938
8939         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
8940         * config/arm/lib1funcs.asm: Do not include supplemental .S files
8941         when compiling for Symbian.
8942         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
8943         (TARGET_OS_CPP_BUILTINS): Likewise.
8944         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
8945
8946 2004-08-31  Stan Shebs  <shebs@apple.com>
8947
8948         * toplev.c (process_options): Ensure debug_hooks is initialized.
8949
8950 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
8951
8952         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
8953         * target.h (cxx): Add export_class_data.
8954         * config/arm/arm.c (arm_cxx_export_class_data): New function.
8955         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
8956         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
8957
8958 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8959
8960         * config/sh/sh.c (output_branch): Check the insn length possibly
8961         in the delayed slot.
8962
8963 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8964
8965         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
8966         blank after ')'.
8967         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
8968
8969         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
8970         (c_sizeof_of_alignof_type): Likewise.
8971         * expr.c (array_ref_element_size): Likewise.
8972         (highest_pow2_factor_for_target): Likewise.
8973         * gimplify.c (canonicalize_addr_expr): Likewise.
8974         (gimplify_compound_lval): Likewise.
8975         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
8976         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
8977         * varasm.c (assemble_variable): Likewise.
8978         (output_constant_def_contents): Alignments are unsigned.
8979
8980 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8981             Jeff Law  <law@redhat.com>
8982
8983         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
8984         gets modified.
8985
8986 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
8987
8988         * hooks.c (hook_bool_void_true): New function.
8989         * hooks.h (hook_bool_void_true): Declare.
8990         * target-def.h (TARGET_CXX): Add
8991         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
8992         * target.h (struct cxx): Add key_method_may_be_inline.
8993         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
8994         function.
8995         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
8996         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
8997         __THUMB_INTERWORK.
8998
8999 2004-08-31  Denis Chertykov  <denisc@overta.ru>
9000
9001         PR target/15417
9002         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
9003         frame pointer register only in Pmode while reload in progress.
9004
9005 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
9006
9007         PR target/15334
9008         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
9009         because it breaks the 32-bit shift patterns that rely on a match_dup.
9010
9011 2004-08-31  Matt Austern  <austern@apple.com>
9012
9013         * config/darwin.c (darwin_make_decl_one_only): Allocate section
9014         names once per compilation, instead of once per symbol.
9015
9016 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
9017
9018         * Makefile.in (build_subdir): New substitution.
9019         (fixinc.sh): Simplify heavily since fixincludes is already built.
9020         (stmp-fixinc): Depend on specs.ready.
9021         (install-mkheaders): Use new location of fixincludes.
9022         (clean): Do not descend into fixinc.
9023         (FORBUILD): Replace with ../$(build_subdir).
9024         * configure.ac (build_subdir): Substitute.
9025         (FORBUILD): Do not set.
9026         (all_outputs): Remove fixinc/Makefile.
9027         (default commands): Do not create links in fixinc.
9028         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
9029         the fixincludes configuration steps and substituting
9030         @FIXINCL@ in fixinc.in.
9031         * fixinc.in: New, from fixinc/fixincl.sh.
9032
9033         * fixinc/*: Removed.
9034
9035 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
9036
9037         * attribs.c (strip_attrs): Remove.
9038         (split_specs_attrs): Move ...
9039         * c-decl.c: ... to here.
9040         * tree.h (split_specs_attrs, strip_attrs): Remove.
9041         * c-tree.h (split_specs_attrs): Declare.
9042
9043 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
9044
9045         * read-rtl.c: Disable RTL checking.
9046         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
9047
9048 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
9049
9050         * config/mips/mips.md (fcond): New code macro and attribute.
9051         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
9052         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
9053         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
9054
9055 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
9056
9057         Revert:
9058         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
9059         PR rtl-optimization/16590
9060         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
9061
9062 2004-08-30  Andrew Pinski  <apinski@apple.com>
9063
9064         * hard-reg-set.h:
9065         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
9066         * ChangeLog: Fix previous ChangeLog entry.
9067
9068         PR rtl-opt/13987
9069         * config.host (use_long_long_for_widest_fast_int): New, default is
9070         off.
9071         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
9072         * configure.ac: If use_long_long_for_widest_fast_int, then
9073         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
9074         * configure: Regenerate.
9075         * config.in: Regenerate.
9076         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
9077         New: widest integer type supported efficiently in hardware for the
9078         host.
9079         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
9080         HOST_BITS_PER_WIDEST_FAST_INT.
9081         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
9082         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
9083         HOST_WIDEST_FAST_INT
9084         instead of HOST_WIDE_INT.
9085         (HARD_REG_SET_LONGS): Likewise.
9086         (UHOST_BITS_PER_WIDE_INT): Likewise.
9087         Change the checks for the fast cases to be based on
9088         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
9089
9090 2004-08-30  Steven Bosscher  <stevenb@suse.de>
9091
9092         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
9093         not the pointers.
9094
9095 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
9096
9097         PR 12738
9098         PR 17205
9099         Radar 3460526
9100         Radar 3775729
9101         * c-decl.c (grokdeclarator): Produce error for 'static' on local
9102         function declaration.
9103
9104 2004-08-30  Richard Henderson  <rth@redhat.com>
9105
9106         * expr.c (array_ref_element_size): Force aligned_size back to
9107         sizetype.
9108         (component_ref_field_offset): Similarly for aligned_offset.
9109         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
9110         low-bound, element-size, field-offset fields rather than
9111         computed values.
9112
9113 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
9114
9115         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
9116         redundant code.
9117
9118 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
9119
9120         * c-tree.h (struct language_function): Add arg_info element.
9121         * c-decl.c (current_function_arg_info): New.
9122         (grokdeclarator, store_parm_decls): Use it instead of
9123         DECL_ARGUMENTS.
9124         (c_push_function_context, c_pop_function_context): Save and
9125         restore it.
9126
9127 2004-08-30  Richard Henderson  <rth@redhat.com>
9128
9129         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
9130         COMPONENT_REF to pointer arithmetic.
9131         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
9132         constant "c" as a valid constant initializer.  Allow narrowing of
9133         differences against the same base object, for any base object.
9134
9135 2004-08-30  Richard Henderson  <rth@redhat.com>
9136
9137         * expr.c (expand_expr_addr_expr): New.
9138         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
9139
9140 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
9141
9142         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
9143         (mips_fp_condition): New enum.
9144         (mips_fp_conditions): New array.
9145         (print_fcc_operand): Delete.
9146         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
9147         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
9148         (builtin_description): Add "cond" field.
9149         (DIRECT_BUILTIN): Initialize it.
9150         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
9151         into INSN and CODE.  Initialize the "cond" field.
9152         (CMP_BUILTINS): Update accordingly.
9153         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
9154         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
9155         mips_fp_condition as argument.  Make it the final operand of the
9156         comparison instruction.
9157         (mips_expand_builtin): Update accordingly.
9158         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
9159         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
9160         the gaps.
9161         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
9162         Don't use the 'Q' operand prefix; just print the operand normally.
9163         (mips_cabs_*, mips_c_*): Delete, replacing with...
9164         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
9165         patterns.  Split the 4s versions into 2 ps patterns after reload.
9166
9167 2004-08-30  Richard Henderson  <rth@redhat.com>
9168
9169         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
9170         assuming an ADDR_EXPR is non-null.
9171
9172 2004-08-30  Jason Merrill  <jason@redhat.com>
9173
9174         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
9175
9176 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
9177
9178         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
9179         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
9180         gcc_assert and gcc_unreachable instead of abort.
9181         * alloc-pool.c (abort, fancy_abort): Remove.
9182         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
9183         gcc_assert or gcc_unreachable.
9184         * attribs.c (init_attributes, decl_attributes): Likewise.
9185         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
9186         mark_bb_for_unlikely_executed_section,
9187         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
9188         fix_crossing_unconditional_branches):  Likewise.
9189         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
9190         bitmap_operation):  Likewise.
9191         * bt-load.c (insn_sets_btr_p, augment_live_range,
9192         move_btr_def):  Likewise.
9193         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
9194         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
9195         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
9196         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
9197         expand_builtin_memcmp, expand_builtin_args_info,
9198         std_gimplify_va_arg_expr, expand_builtin_unop,
9199         expand_builtin_fputs, expand_builtin_profile_func,
9200         expand_builtin_fork_or_exec, fold_builtin_bitop,
9201         fold_builtin_classify, fold_builtin_fputs): Likewise.
9202
9203 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
9204
9205         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
9206         * gcov.c (abort): Remove undef.
9207
9208         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
9209         (struct tree_binfo): Remove primary field.
9210
9211 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
9212
9213         * fixinc/Makefile.in (machname.h): Remove.
9214         (fixincl.x): Do not pass $@ to genfixes.
9215         * fixinc/genfixes: Remove code to produce machname.h.
9216         * fixinc/fixincl.sh: Move it here instead.
9217         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
9218         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
9219         return a bool indicating whether pz_mn_name_pat is NULL.
9220         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
9221         Declare extern C variables for the ENV_TABLE.
9222         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
9223         instead use the result of mn_get_regexps.
9224         * fixinc/fixtests.c: Likewise.
9225
9226 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
9227
9228         * configure.ac: Do not run fixincludes after stage1 during
9229         toplevel bootstrap.
9230         * configure: Regenerate.
9231
9232 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
9233
9234         * sched-deps.c (get_condition): Partially revert previous, by never
9235         trying to extract the condition from a condjump.
9236
9237 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
9238
9239         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
9240         (handle_visibility_attribute, c_determine_visibility): Likewise.
9241         * c-common.h (my_friendly_assert): Remove.
9242
9243 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
9244
9245         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
9246         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
9247         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
9248         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
9249         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
9250
9251 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
9252
9253         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
9254         in COMPONENT_REF nodes.
9255
9256 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9257
9258         PR c++/15378
9259         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
9260         global_dc->warning_as_error_requested.
9261         * diagnostic.c (diagnostic_initialize): Tidy.
9262         * diagnostic.h (diagnostic_context::x_data): Remove
9263         (diagnostic_context::issue_warnings_are_errors_message): Rename
9264         from warnings_are_errors_message.
9265         (diagnostic_context::warning_as_error_requested): New.
9266
9267 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
9268
9269         * sched-deps.c (get_condition): Fix breakage in previous patch.
9270
9271 2004-08-30  Paul Brook  <paul@codesourcery.com>
9272
9273         * doc/install.texi: Fix broken mpfr link.
9274
9275 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
9276
9277         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
9278         other FreeBSD platforms.
9279
9280 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
9281
9282         * arm.h (REVERSE_CONDITION): Define.
9283         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
9284
9285 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
9286
9287         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
9288         just the codes, call reversed_comparison_code ().
9289         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
9290         (not_reg_cond): Use reversed_comparison_code.
9291         (and_reg_cond): Likewise.
9292         * ifcvt.c (cond_exec_process_if_block): Likewise.
9293         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
9294
9295 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
9296
9297         * sched-deps.c (get_condition): Rewrite using jump support functions.
9298         Use reversed_comparison_code.
9299         (conditions_mutex_p): Use reversed_comparison_code.
9300
9301 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9302
9303         * config/mips/mips.c (override_options): Disable hot/cold partitioning
9304         for MIPS16.
9305
9306 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9307
9308         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
9309         (mips_function_type): Move to mips.c.
9310         * config/mips/mips.c (mips_builtin_type): New enum.
9311         (builtin_description): Replace code and ftype with builtin_type
9312         and function_type.
9313         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
9314         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
9315         (CODE_FOR_mips_abs_ps): Define.
9316         (mips_bdesc): Use new macros.
9317         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
9318         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
9319         (mips_expand_builtin_direct): New function.
9320         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
9321         builtin.  Replace boolean parameter with builtin_type.
9322         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
9323         (mips_expand_4s_compare_builtin): Delete, replacing with...
9324         (mips_expand_builtin_compare): ...this new function.
9325
9326 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
9327
9328         PR rtl-optimization/16590
9329         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
9330
9331 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
9332
9333         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
9334         * tree-ssa-propagate.c: Fix documentation.
9335
9336 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9337
9338         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
9339         (mov[sd]fcc): Likewise.
9340
9341 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9342
9343         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
9344
9345 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9346
9347         * config/mips/mips.md (divide_condition): New mode attribute.
9348         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
9349         (sqrt[sd]f3): Redefine using SCALARF.
9350         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
9351         patterns.
9352
9353 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9354
9355         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
9356         (loadx, storex, fmt, UNITMODE): New mode attributes.
9357         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
9358         (mul[sd]f3): Redefine using :SCALARF.
9359         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
9360         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
9361         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
9362         Check TARGET_FUSED_MADD for V2SF too.
9363         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
9364         were already named.
9365         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
9366         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
9367
9368 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9369
9370         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
9371         V2SF_type_node if it will be needed.
9372
9373 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9374
9375         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
9376         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
9377         (mips_prepare_builtin_target): New function.
9378         (mips_expand_builtin): Use them.  Update calls to subroutines.
9379         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
9380         cmp_choice with a boolean argument to select between movt and movf.
9381         Take the comparison's icode as an argument, not the function's fcode.
9382         (mips_expand_compare_builtin): New function.  Rename existing function
9383         to mips_expand_scalar_compare_builtin.
9384         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
9385         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
9386         comparison's icode as an argument, not the builtin's fcode.
9387
9388 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9389
9390         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
9391         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
9392         registers are false and -1 if all registers are true.
9393         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
9394         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
9395         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
9396         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
9397         (bc1any2t, bc1any2f): Likewise CCV2.
9398         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
9399
9400 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
9401
9402         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
9403         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
9404         UNSPEC rather than an IF_THEN_ELSE.
9405         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
9406         mips_cond_move_tf_ps by name.
9407
9408 2004-08-29  Chao-ying Fu  <fu@mips.com>
9409             James E Wilson  <wilson@specifixinc.com>
9410
9411         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
9412         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
9413         * config/mips/mips-ps-3d.md: New file.
9414         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
9415         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
9416         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
9417         (mips_output_move): Emit "mov.ps" for V2SFmode.
9418         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
9419         MODE_VECTOR_FLOAT.
9420         (override_options): Check if TARGET_MIPS3D and there was an explicit
9421         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
9422         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
9423         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
9424         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
9425         and allow CCV2 and CCV4 to occupy two and four CC registers.
9426         (print_fcc_operand): New function.
9427         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
9428         %Z to call print_fcc_operand.
9429         (mips_function_value): Handle MODE_VECTOR_FLOAT.
9430         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
9431         (mips_vector_mode_supported_p): New function.
9432         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
9433         (builtin_description): New struct.
9434         (mips_bdesc): New array of struct builtin_description.
9435         (mips_expand_builtin, mips_init_builtins,
9436         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
9437         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
9438         functions.
9439         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
9440         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
9441         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
9442         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
9443         "-mips3d", and "-mno-mips3d".
9444         (ASM_SPEC): Map -mips3d to -mips3d in gas.
9445         (EXTRA_CONSTRAINT_Y): New macro.
9446         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
9447         multi-letter constraint 'Y'.
9448         (CONSTRAINT_LEN): New macro.
9449         (enum mips_builtins): New for MIPS builtin functions.
9450         (enum mips_function_type): New for the types of MIPS builtin functions.
9451         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
9452         * config/mips/mips.md: New constants for paired single and MIPS-3D
9453         instructions.  Include the new mips-ps-3d.md file.
9454         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
9455         movv2sf_hardfloat_64bit): New named patterns.
9456         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
9457         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
9458         sdxc1_v2sf_di): New unnamed patterns.
9459         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
9460         const_vector support.
9461         (const_0_or_1_operand): New predicate.
9462         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
9463
9464 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
9465
9466         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
9467         (tree-ssa-propagate.o): New rule.
9468         (GTFILES): Add tree-ssa-propagate.c.
9469         * tree-flow.h (struct stmt_ann_d): Remove field
9470         in_ccp_worklist.
9471         * tree-ssa-propagate.c: New file.
9472         * tree-ssa-propagate.h: New file.
9473         * tree-ssa-ccp.c: Re-write to use the routines from
9474         tree-ssa-propagate.c.
9475
9476 2004-08-28  Andrew Pinski  <apinski@apple.com>
9477
9478         * tree-ssa-loop.c: Remove extra include of basic-block.h.
9479
9480 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
9481
9482         * c-common.h: Update comments about ObjC/ObjC++ entry points.
9483         (objc_is_reserved_word): New prototype.
9484         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
9485         separate section; these are call-backs.
9486         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
9487         ObjC/ObjC++ "@" keywords.
9488         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
9489         prototypes; they already live in c-common.h.
9490         * stub-objc.c: Update copyright notice.
9491         (objc_is_reserved_word): New stub.
9492
9493 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
9494
9495         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
9496         even when not checking.
9497
9498 2004-08-27  Jason Merrill  <jason@redhat.com>
9499
9500         PR c++/13684
9501         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
9502         (gimple_push_cleanup): Add eh_only parm.
9503         (gimplify_target_expr): Pass it.
9504         * c.opt (-fno-threadsafe-statics): New option.
9505         * c-opts.c (c_common_handle_option): Handle it.
9506         * c-common.h (flag_threadsafe_statics): Declare it.
9507         * c-common.c (flag_threadsafe_statics): Record it.
9508         * doc/invoke.texi: Document it.
9509         * tsystem.h (_GNU_SOURCE): Define.
9510         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
9511         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
9512         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
9513         (__gthread_recursive_mutex_init_function): New fn.
9514         (__gthread_recursive_mutex_lock): New fn.
9515         (__gthread_recursive_mutex_trylock): New fn.
9516         (__gthread_recursive_mutex_unlock): New fn.
9517         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
9518         * gthr-win32.h, gthr-vxworks.h: Likewise.
9519         * gthr.h: Document.
9520
9521 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
9522
9523         * config/rs6000/rs6000.c (rs6000_override_options): Increase
9524         maximum skip to 15.  Set function alignment, jump alignment, and
9525         loop alignment to 16 for processors that form dispatch groups.
9526         (rs6000_rtx_costs): outer_code is used.
9527
9528 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
9529
9530         * stor-layout.c (sizetype_set): Remove.
9531         (set_sizetype): Don't test or set it.
9532
9533         * tree.h (size_int_type): Remove.
9534         * fold-const.c: Do not #include gt-fold-const.h.
9535         (size_htab_hash, size_htab_eq): Remove.
9536         (size_int_kind): Use build_int_cst.
9537         (new_const, size_htab): Remove.
9538         (size_int_type): Remove.
9539         (round_up): Use build_int_cst.
9540         (round_down): Likewise. Remove spurious constant build.
9541
9542 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
9543
9544         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
9545         Add is_release variable, use it for --enable-werror and
9546         --enable-checking defaults.
9547         * system.h (gcc_assert, gcc_unreachable): New.
9548         * doc/install.texi (--enable-checking): Update.
9549         * configure, config.in: Rebuilt.
9550
9551 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
9552
9553         * rtl.h (read_rtx): Change prototype.
9554         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
9555         line number.  Return true on success.
9556         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
9557         callers accordingly.
9558
9559 2004-08-26  Richard Henderson  <rth@redhat.com>
9560
9561         * c-typeck.c (build_offsetof): Remove.
9562         * c-tree.h (build_offsetof): Remove.
9563         * c-common.c (fold_offsetof_1, fold_offsetof): New.
9564         * c-common.h (fold_offsetof): Declare.
9565         * c-parse.in (offsetof_base): New.
9566         (offsetof_member_designator): Use it.  Build references, not just
9567         a tree list.
9568         (primary): Use fold_offsetof, not build_offsetof.
9569
9570 2004-08-26  Richard Henderson  <rth@redhat.com>
9571
9572         * tree.c (staticp): Return the static object.
9573         * tree.h (staticp): Update decl.
9574         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
9575         * langhooks.c (lhd_staticp): Return NULL_TREE.
9576         * langhooks-def.h (lhd_staticp): Update decl.
9577         * c-common.c (c_staticp): Return the static object.
9578         * c-common.h (c_staticp): Update decl.
9579
9580 2004-08-26  Richard Henderson  <rth@redhat.com>
9581
9582         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
9583         modes.
9584
9585 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
9586
9587         PR c/13801
9588         * c-decl.c (struct c_binding): Add type and inner_comp fields.
9589         (bind): Set type and inner_comp fields.
9590         (pop_scope): Restore type of decl to the correct type from an
9591         outer scope.  Give error when popping file scope for incomplete
9592         arrays completed incompatibly with default initialization in an
9593         inner scope.
9594         (diagnose_mismatched_decls): Handle externs with initializers at
9595         block scope.
9596         (pushdecl): Set type of external declaration at block scope based
9597         only on the visible declarations.  Save type when changing the
9598         type of a declaration.  Merge an external declaration at block
9599         scope with a visible static declaration at file scope.
9600         (implicitly_declare): Give recycled old declaration the new type
9601         except for incompatible declarations of built-in functions, saving
9602         the old type.
9603
9604 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
9605
9606         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
9607
9608 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
9609
9610         * tree-alias-common.c (gate_pta): New function.
9611         (pass_build_pta): Use it.
9612         (pass_del_pta): Use it.
9613         (delete_alias_vars): Don't check flag_tree_points_to.
9614
9615 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
9616
9617         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
9618         TFmode as additional register mode cloberred by call.
9619
9620 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
9621
9622         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
9623         parallel pattern for library call returning DImode in
9624         mixed mode.
9625
9626 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
9627
9628         * config/rs6000/rs6000.c (function_arg): Generate parallel
9629         pattern for more split args.
9630
9631 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
9632
9633         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
9634         either gen_movdi_di_update or gen_movdi_si_update depending on
9635         target mode.
9636         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
9637         to generate two versions.
9638
9639 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
9640
9641         * Makefile.in (lambda-code.o): New.
9642         (lambda-trans.o): Ditto.
9643         (TREE_DATA_REF_H): Ditto.
9644         (LAMBDA_H): Ditto.
9645         (lambda-mat.o): Use LAMBDA_H.
9646         (tree-data-ref.o): Ditto.
9647         * lambda-code.c: New file.  Lambda code generation algorithm.
9648         * lambda-trans.c: Ditto. Lambda transformation matrix support.
9649         * lambda.h: Add lambda loop structures.
9650         Add lambda loopnest structures.
9651         Add lambda body vector structure.
9652         Add lambda linear expression structures.
9653         Add prototypes for functions in new files.
9654         * lambda-mat.c: Include tree.h
9655
9656 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
9657             Sebastian Pop  <pop@cri.ensmp.fr>
9658
9659         * tree-data-ref.h: Include lambda.h
9660         (free_dependence_relation): Declared here.
9661         (free_dependence_relations): Ditto.
9662         (free_data_refs): Ditto.
9663         * tree-data-ref.c (free_dependence_relation): New function.
9664         (free_dependence_relations): Ditto.
9665         (free_data_refs): Ditot.
9666         (analyze_all_data_dependences): Free datarefs and dependence_relations.
9667         (build_classic_dist_vector): Store in the dependence_relations the
9668         information. Each arc in the dependence_relations graph is labelled
9669         with the distance and direction vectors.
9670         (build_classic_dir_vector): Ditto.
9671         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
9672         Now computes again the whole dependence graph including read-read
9673         relations.
9674         (compute_data_dependences_for_loop): Now dependence_relations contains
9675         all the data, and thus it doesn't need to initialize the classic_dir
9676         and classic_dist vectors.
9677         (analyze_all_data_dependences): Adjusted for using the new interface of
9678         compute_data_dependences_for_loop.  Remove the statistics dump.
9679
9680 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
9681
9682         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
9683         (xtensa_expand_block_move): Update comment.
9684         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
9685
9686 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
9687
9688         PR target/13506
9689         * toplev.c (crash_signal): If we crashed while emitting
9690         a user asm, then die more gracefully.
9691
9692 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9693
9694         PR target/17119.
9695         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
9696         checking for a valid constant, regardless of sign.
9697
9698 2004-08-25  Richard Henderson  <rth@redhat.com>
9699
9700         PR target/16974
9701         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
9702         if the constant satisfies add_operand.
9703
9704 2004-08-25  Richard Henderson  <rth@redhat.com>
9705
9706         PR debug/10695
9707         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
9708         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
9709         unwind info for >16-bit frames.
9710
9711 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
9712
9713         PR target/17171
9714         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
9715
9716 2004-08-25  Richard Henderson  <rth@redhat.com>
9717
9718         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
9719         (TARGET_CANNOT_FORCE_CONST_MEM): New.
9720
9721 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
9722
9723         * doc/tree-ssa.texi: Document new operand iterator.
9724
9725 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
9726
9727         PR target/16480
9728         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
9729         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
9730         as PLUS base regs.
9731
9732 2005-08-28  Paul Brook  <paul@codesourcery.com>
9733
9734         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
9735         -mfpu=vfp -march=armv5t
9736         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
9737
9738 2004-08-25  Richard Henderson  <rth@redhat.com>
9739
9740         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
9741         * target.h (struct gcc_target): Add scalar_mode_supported_p.
9742         * targhooks.c (default_scalar_mode_supported_p): New.
9743         * targhooks.h (default_scalar_mode_supported_p): Declare.
9744         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
9745
9746         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
9747         before attempting to create types.  Tidy.
9748         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
9749
9750         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
9751         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
9752
9753 2004-08-25  Richard Henderson  <rth@redhat.com>
9754
9755         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
9756         set REAL_MODE_FORMAT for TFmode.
9757
9758 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
9759
9760         * c-decl.c (grokparm): New function.
9761         * c-tree.h (grokparm): New prototype.
9762
9763 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
9764
9765         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
9766         iterator controlling structure.
9767         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
9768         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
9769         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
9770         iterator flags.
9771         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
9772         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
9773         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
9774         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
9775         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
9776         Empty operand pointers.
9777         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
9778         (op_iter_next_use): New.  Return next use_operand_p.
9779         (op_iter_next_def): New.  Return next def_operand_p.
9780         (op_iter_next_tree): New.  Return next operands as a tree.
9781         (op_iter_init): New.  Initialize an iterator structure.
9782         (op_iter_init_use): New.  Initialize structure and get the first use.
9783         (op_iter_init_def): New.  Initialize structure and get the first def.
9784         (op_iter_init_tree): New.  Initialize structure and get the first tree.
9785         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
9786         (op_iter_init_maydef): New.  Initialize structure and get the first
9787         V_MAY_DEF operands.
9788         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
9789         * tree-dfa.c (compute_immediate_uses_for_stmt,
9790         redirect_immediate_uses): Use new operand iterator.
9791         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
9792         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
9793         operands instead of using *_disappeared_p routines.
9794         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
9795         ssa_rewrite_stmt): Use new operand iterator.
9796         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
9797         rewrite_trees): Use new operand iterator.
9798         * tree-pretty-print.c (dump_vops): Use new operand iterator.
9799         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
9800         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
9801         dump_points_to_info): Use new operand iterator.
9802         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
9803         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
9804         operand iterator.
9805         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
9806         propagate_necessity): Use new operand iterator.
9807         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
9808         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
9809         a parameter instead of a stmt_ann_t.
9810         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
9811         build_tree_conflict_graph): Use new operand iterator.
9812         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
9813         rewrite_mem_refs): Use new operand iterator.
9814         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
9815         check_loop_closed_ssa_use): Use new operand iterator.
9816         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
9817         * tree-ssanames.c (release_defs): Use new operand iterator.
9818         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
9819
9820 2004-08-25  Adam Nemet  <anemet@lnxw.com>
9821
9822         * tlink.c (initial_cwd): New variable.
9823         (tlink_init): Initialize it.
9824         (recompile_files): Use tlink_execute() instead of system().  Don't
9825         duplicate verbose output of collect_execute.  Restore initial_cwd.
9826         Update comment before the function.
9827
9828 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
9829
9830         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
9831         accept) a cast from one Objective-C pointer type to another.
9832
9833 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
9834
9835         * doc/install.texi: Document that libstdc++-v3 requires
9836         now automake 1.9.1.
9837
9838 2004-08-25  Caroline Tice  <ctice@apple.com>
9839
9840         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
9841         to comments at start of function.
9842         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
9843         comment.
9844         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9845         merge_blocks_move_predecessor_nojumps,
9846         merge_blocks_move_successor_nojumps, merge_blocks_move,
9847         try_crossjump_to_edge, try_crossjump_bb): Likewise.
9848         * cfglayout.c (fixup_reorder_chain): Likewise.
9849         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
9850         cfg_layout_can_merge_blocks_p):  Likewise.
9851         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
9852         * passes.c (rest_of_compilation): Update comments for calling
9853         optimization that partitions hot/cold basic blocks.
9854         * doc/invoke.texi:  Update documentation of
9855         freorder-blocks-and-partition flag.
9856
9857 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
9858
9859         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
9860         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
9861
9862 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
9863
9864         * config/mips/mips.md (any_shift): New code macro.
9865         (optab, insn): New code attributes.
9866         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
9867         Use the standard rather than internal patterns for the MIPS16
9868         double-shift optimization.
9869         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
9870         Redefine using :GPR and any_shift.
9871         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
9872         to cover all three shifts.
9873         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
9874         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
9875         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
9876
9877 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
9878
9879         * gimplify.c (lookup_tmp_var): Separate temporaries when not
9880         optimizing.
9881
9882 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9883
9884         PR libstdc++/17005 (fix for HP-UX 11.11)
9885         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
9886         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
9887         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
9888         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
9889         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
9890         (LINK_SPEC): Handle march=1.0 option.
9891         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
9892         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
9893         (SUBTARGET_OPTIONS): New define.
9894         (LINK_SPEC): Handle march=1.0 option.
9895         (STARTFILE_SPEC): New define.
9896         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
9897         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
9898         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
9899         (SUBTARGET_OPTIONS): New define.
9900         (LINK_SPEC): Handle march=1.0 option.
9901         (STARTFILE_SPEC): New define.
9902         * config/pa/pa.c (override_options): Add code to process -munix= option.
9903         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
9904         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
9905         defines.
9906         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
9907         (SUBTARGET_OPTIONS): Provide default define.
9908         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
9909         STANDARD_STARTFILE_PREFIX_2): New defines.
9910         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
9911         (ENDFILE_SPEC): Use %O.
9912         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
9913         Mention issue caused by changing namespace and runtime to UNIX 95/98.
9914         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
9915         Document -munix=std option.
9916
9917 2004-08-25  Steven Bosscher  <stevenb@suse.de>
9918
9919         * cse.c (cse_around_loop, cse_check_loop_start,
9920         cse_set_around_loop): Remove.
9921         (cse_basic_block): Remove the around_loop argument.
9922         (cse_end_of_basic_block): Remove the after_loop argument.
9923         (cse_main): Likewise.
9924         * rtl.h (cse_main): Update prototype.
9925         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
9926         rest_of_handle_gcse): Update cse_main calls.
9927
9928 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
9929
9930         * tree.h  (build_int_cst): New, sign extended constant.
9931         (build_int_cstu): New, zero extended constant.
9932         (build_int_cst_wide): Renamed from build_int_cst.
9933         * tree.c (build_int_cst, build_int_cstu): New.
9934         (build_int_cst_wide): Renamed from build_int_cst.
9935         (make_vector_type, build_common_tree_nodes,
9936         build_common_tree_nodes_2): Adjust build_int_cst calls.
9937         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
9938         expand_builtin_strpbrk, expand_builtin_fputs,
9939         build_string_literal, expand_builtin_printf,
9940         expand_builtin_sprintf, fold_builtin_classify_type,
9941         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
9942         fold_builtin_toascii, fold_builtin_isdigit,
9943         simplify_builtin_strstr, simplify_builtin_strpbrk,
9944         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
9945         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
9946         DEF_ATTR_INT): Likewise.
9947         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
9948         Likewise.
9949         * c-lex.c (interpret_integer, lex_charconst): Likewise.
9950         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
9951         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9952         * c-typeck.c (really_start_incremental_init, push_init_level,
9953         set_nonincremental_init_from_string): Likewise.
9954         * calls.c (load_register_parameters): Likewise.
9955         convert.c (convert_to_pointer): Likewise.
9956         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
9957         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
9958         build_gcov_info): Likewise.
9959         * except.c (init_eh, assign_filter_values): Likewise.
9960         * expmed.c (store_fixed_bit_field, extract_bit_field,
9961         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
9962         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
9963         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
9964         * expr.c (convert_move, emit_group_load, emit_group_store,
9965         expand_assignment, store_constructor, store_field,
9966         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
9967         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
9968         invert_truthvalue, optimize_bit_field_compare,
9969         decode_field_reference, all_ones_mask_p, constant_boolean_node,
9970         fold_div_compare, fold, fold_read_from_constant_string,
9971         fold_negate_const, fold_abs_const, fold_not_const, round_up,
9972         round_down): Likewise.
9973         * function.c (assign_parm_setup_block): Likewise.
9974         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
9975         Likewise.
9976         * stor-layout.c (layout_type, initialize_sizetypes,
9977         set_min_and_max_values_for_integral_type): Likewise.
9978         * tree-chrec.c (chrec_fold_multiply_poly_poly,
9979         reset_evolution_in_loop): Likewise.
9980         * tree-chrec.h (build_polynomial_chrec): Likewise.
9981         * tree-complex.c (build_replicated_const): Likewise.
9982         * tree-eh.c (honor_protect_cleanup_actions,
9983         lower_try_finally_onedest, lower_try_finally_copy,
9984         lower_try_finally_switch): Likewise.
9985         * tree-mudflap.c (mf_build_string, mx_register_decls,
9986         mudflap_register_call, mudflap_enqueue_constant): Likewise.
9987         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
9988         * tree-pretty-print.c (dump_generic_node): Likewise.
9989         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
9990         Likewise.
9991         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
9992         * tree-ssa-loop-niter.c (number_of_iterations_cond,
9993         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
9994         Likewise.
9995         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
9996         canonicalize_loop_induction_variables): Likewise.
9997         * tree-vectorizer.c (vect_create_index_for_array_ref,
9998         vect_transform_loop_bound, vect_compute_data_ref_alignment):
9999         Likewise.
10000
10001         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
10002         alpha_gimplify_va_arg_1): Likewise.
10003         * config/arm/arm.c (arm_get_cookie_size): Likewise.
10004         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10005         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
10006         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
10007         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
10008         mips_gimplify_va_arg_expr): Likewise.
10009         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10010         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
10011         add_compiler_branch_island): Likewise.
10012         * config/s390/s390.c (s390_va_start): Likewise.
10013         * config/sh/sh.c (sh_va_start): Likewise.
10014         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
10015         Likewise.
10016         * config/xtensa/xtensa.c (xtensa_va_start,
10017         xtensa_gimplify_va_arg_expr): Likewise.
10018
10019         * objc/objc-act.c (build_objc_string_object,
10020         build_objc_symtab_template, init_def_list, init_objc_symtab,
10021         init_module_descriptor, generate_static_references,
10022         build_selector_translation_table, get_proto_encoding,
10023         build_typed_selector_reference, build_selector_reference,
10024         build_next_objc_exception_stuff,
10025         build_method_prototype_list_template, generate_descriptor_table,
10026         generate_protocols, build_protocol_initializer,
10027         build_ivar_list_template, build_method_list_template,
10028         build_ivar_list_initializer, generate_ivars_list,
10029         generate_dispatch_table, generate_protocol_list,
10030         build_category_initializer, build_shared_structure_initializer,
10031         generate_shared_structures, handle_impent,
10032         generate_objc_image_info): Likewise.
10033
10034 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
10035
10036         * cfglayout.c (duplicate_insn_chain): Remove references to
10037         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
10038         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
10039         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
10040         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
10041         and NOTE_INSN_LOOP_CONT.
10042         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
10043         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
10044         and NOTE_INSN_LOOP_CONT.
10045         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
10046         check_dbra_loop, loop_dump_aux): Remove references to removed notes
10047         and fields.
10048         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
10049         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
10050         references to removed notes and fields.
10051         (subtract_reg_term, ujump_to_loop_cont): Remove.
10052
10053 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
10054
10055         * doc/install.texi: Document that libcpp does not require
10056         Automake any longer.  Document that Automake 1.9.1 should
10057         work everywhere.
10058
10059 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
10060
10061         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
10062         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
10063         DWARF_DEBUGGING_INFO from choice-of-definition chain;
10064         restructure using C89 features (#elif, #error).
10065         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
10066         * config/sh/sh.h: Remove references to DWARF_DEBUG.
10067         * doc/invoke.texi: Remove references to DWARF version 1;
10068         clarify why -gdwarf-2<n> doesn't work.
10069
10070 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
10071
10072         * basic-block.h (BB_SET_PARTITION): Clear old value first.
10073         * cfg.c (clear_bb_flags): Don't clear partition setting.
10074         * ifcvt.c (find_if_case_1): Remove ??? comment.
10075
10076 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
10077
10078         PR target/17052
10079         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
10080         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10081         current_function_stdarg in place of sysv_varargs_p.
10082         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
10083         sysv_varargs_p.
10084
10085 2004-08-24  Richard Henderson  <rth@redhat.com>
10086
10087         PR target/16298
10088         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
10089         random codes within CONST.
10090
10091 2004-08-24  James E Wilson  <wilson@specifixinc.com>
10092
10093         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
10094         -freorder-blocks-and-partition.
10095
10096 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10097
10098         PR middle-end/17044
10099         * tree-ssa-threadupdate.c (redirection_data): Make static.
10100         (thread_block): Use ggc_alloc_cleared to allocate struct
10101         redirection_data.  Don't free elements in redirection_data.
10102
10103 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10104
10105         * config/mips/predicates.md (small_data_pattern): Match prefetches.
10106
10107 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10108
10109         PR tree-optimization/17016
10110         * tree-ssa-loop-niter.c (number_of_iterations_cond,
10111         number_of_iterations_exit): Use POINTER_TYPE_P instead
10112         of testing for POINTER_TYPE.
10113
10114 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10115
10116         * tree-ssa-loop-ivcanon.c: New file.
10117         * tree-ssa-loop-manip.c (create_iv): New function.
10118         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
10119         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
10120         * cfgloop.c (mark_single_exit_loops): New function.
10121         (verify_loop_structure): Verify single-exit loops.
10122         * cfgloop.h (struct loop): Add single_exit field.
10123         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
10124         (mark_single_exit_loops): Declare.
10125         (tree_num_loop_insns): Declare.
10126         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
10127         (duplicate_loop_to_header_edge): Use it.
10128         * common.opt (fivcanon): New flag.
10129         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
10130         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
10131         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
10132         (bsi_insert_on_edge_immediate): New function.
10133         * tree-flow.h (bsi_insert_on_edge_immediate,
10134         canonicalize_induction_variables, tree_unroll_loops_completely,
10135         create_iv): Declare.
10136         * tree-optimize.c (init_tree_optimization_passes): Add
10137         pass_iv_canon and pass_complete_unroll.
10138         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
10139         * tree-scalar-evolution.c (get_loop_exit_condition,
10140         get_exit_conditions_rec, number_of_iterations_in_loop,
10141         scev_initialize): Use single_exit information.
10142         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
10143         missing assumptions.
10144         (loop_niter_by_eval):  Return number of iterations as unsigned
10145         int.
10146         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
10147         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
10148         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
10149         New passes.
10150         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
10151         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
10152         the defining statement is ready.
10153         * tree-vectorizer.c (vect_create_iv_simple): Removed.
10154         (vect_create_index_for_array_ref, vect_transform_loop_bound):
10155         Use create_iv.
10156         (vect_transform_loop_bound): Use single_exit information.
10157         (vect_analyze_loop_form): Cleanup bogus tests.
10158         (vectorize_loops): Do not call flow_loop_scan.
10159         * tree.h (may_negate_without_overflow_p): Declare.
10160         * fold-const.c (may_negate_without_overflow_p): Split out from ...
10161         (negate_expr_p): ... this function.
10162         (tree_expr_nonzero_p): Handle overflowed constants correctly.
10163         * doc/invoke.texi (-fivcanon): Document.
10164         * doc/passes.texi: Document canonical induction variable creation.
10165
10166 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10167
10168         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
10169         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
10170         using the mode of the operand to decide between them.
10171         * config/mips/mips.md (MOVECC): New mode macro.
10172         (ccreg): New mode attribute.
10173         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
10174         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
10175         (mov[sd]icc): Redefine using :GPR.
10176
10177 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10178
10179         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
10180         (mips_prefetch_cookie): New function.
10181         * config/mips/mips.c (print_operand_address): Fix handling of
10182         ADDRESS_CONST_INT.
10183         (mips_emit_prefetch): Delete.
10184         (mips_prefetch_cookie): New function.
10185         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
10186         mode of QImode for the address_operand.  Use mips_prefetch_cookie
10187         to calculate the first "pref" operand.
10188         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
10189         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
10190
10191 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
10192
10193         * arm.md: Include predicates.md.
10194         * predicates.md: New file.
10195         * arm.c (s_register_operand, arm_hard_register_operand)
10196         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
10197         (arm_immediate_operand, arm_neg_immediate_operand)
10198         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
10199         (arm_add_operand, arm_addimm_operand, arm_not_operand)
10200         (offsettable_memory_operand, alignable_memory_operand)
10201         (arm_reload_memory_operand, arm_float_rhs_operand)
10202         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
10203         (index_operand, shiftable_operator, logical_binary_operator)
10204         (shift_operator, equality_operator, arm_comparison_operator)
10205         (minmax_operator, cc_register, dominant_cc_register)
10206         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
10207         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
10208         (const_shift_operand, load_multiple_operation)
10209         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
10210         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
10211         (cirrus_register_operand, cirrus_fp_register)
10212         (cirrus_shift_const): Delete, replaced with equivalents in
10213         predicates.md.
10214         (shift_op): Handle ROTATE.
10215         * arm-protos.h: Delete declarations for above.
10216         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
10217         * t-arm (MD_INCLUDES): Add predicates.md.
10218         (s-preds): Depends on MD_INCLUDES.
10219
10220 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10221
10222         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
10223         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
10224         patterns.  Redefine using :GPR.  Give the match_operator a mode.
10225         Use '%2' rather than '%z2' for operand 2.
10226
10227 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10228
10229         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
10230         attribute.
10231
10232 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10233
10234         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
10235         of internal patterns.
10236         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
10237         Redefine using :P.
10238         (tablejump): Use expand_binop to calculate address.  Adjust names
10239         of internal patterns.
10240         (tablejump[sd]i): Renamed from tablejump_internal[12].
10241         Redefine using :P.
10242         (tablejump_mips16[12]): Delete.
10243
10244 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10245
10246         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
10247         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
10248         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
10249         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
10250         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
10251
10252 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
10253
10254         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
10255         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
10256         using :GPR.
10257         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
10258         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
10259         (*branch_equality[sd]i_inverted): Likewise
10260         branch_equality{,_di}_inverted.
10261         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
10262         Redefine using :GPR.
10263
10264 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
10265
10266         * rtl.def: Reorganize, placing all codes used only in machine
10267         descriptions at the end.
10268
10269         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
10270         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
10271         rtx_name, rtx_format arrays by direct reference to rtl.def,
10272         first undefining GENERATOR_FILE.  Define enum insn_note and
10273         note_insn_name array by direct reference to insn-notes.def.
10274         (adjust_field_rtx_def): Remove local definition of rtx_name.
10275         Use symbolic names for insn notes.
10276         * Makefile.in (gengtype.o): Update dependencies.
10277
10278 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
10279
10280         * basic-block.h (struct basic_block_def): Reorder fields to
10281         eliminate interior padding.  Remove 'partition' field.
10282         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
10283         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
10284         (BB_COPY_PARTITION): New macros.
10285         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
10286         Replace all references to the 'partition' field of a basic
10287         block with new macros.
10288
10289         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
10290         * final.c (final_scan_insn): Don't handle it.
10291         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
10292         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
10293         * sched-rgn.c (sched_is_disabled_for_current_region_p):
10294         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
10295
10296 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
10297
10298         * c-decl.c (c_init_decl_processing): Adjust
10299         build_common_tree_nodes call.
10300         * expmed.c (const_mult_add_overflow_p): Use
10301         build_distinct_type_copy.
10302         * stor-layout.c (early_type_list): Remove.
10303         (layout_type): Don't append to early_type_list.
10304         (initialize_sizetypes): Add signed_p argument.
10305         (set_sizetype): Overwrite the stub type nodes directly.
10306         * tree.c (copy_node_stat): Clear a type's value cache here ...
10307         (build_distinct_type): ... not here.
10308         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
10309         * tree.h (initialize_sizetypes): Add signed_p argument.
10310         (build_common_tree_nodes): Likewise.
10311
10312         * objc/objc-act.c (get_static_reference): Use
10313         build_variant_type_copy.
10314         (get_protocol_reference): Likewise.
10315         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
10316
10317 2004-08-24  Richard Henderson  <rth@redhat.com>
10318             Andrew Pinski  <apinski@apple.com>
10319
10320         * gimplify.c (gimplify_array_ref_to_plus): Delete.
10321         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
10322         for ARRAY_REF.
10323
10324         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
10325         ARRAY_REF also to get to the STRING_CST.
10326
10327 2004-08-24  Paul Brook  <paul@codesourcery.com>
10328
10329         * config/arm/arm.c (arm_override_options): Update error message.
10330         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
10331         TARGET_HARD_FLOAT_ABI.
10332         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
10333         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
10334
10335 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10336
10337         PR target/17093
10338         * config/m32r.md (movsi_sda): Add SI mode specification to
10339         UNSPEC.
10340
10341 2004-08-24  Nick Clifton  <nickc@redhat.com>
10342
10343         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
10344         of seth_add3_operand.
10345
10346 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
10347
10348         * Makefile.in (PROTO_OBJS): Add errors.o.
10349         * protoize.c (fancy_abort): Remove.
10350         * mips-tfile.c (fancy_abort): Add parameters.
10351
10352 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
10353
10354         * doc/trouble.texi (C++ misunderstandings): Fix example code.
10355
10356 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
10357
10358         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
10359         (host-default.o): Add dependency on HOOKS_H.
10360         * config/x-linux: Likewise.
10361         * config/x-solaris: Likewise.
10362         * config/i386/x-mingw32: Likewise.
10363         * config/rs6000/x-darwin: Likewise.
10364
10365 2004-08-23  James E Wilson  <wilson@specifixinc.com>
10366
10367         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
10368         DEF_REG_NOTE.
10369
10370 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
10371
10372         PR c/14492
10373         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
10374
10375 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
10376
10377         * cfg.c (check_bb_profile): Fix typos.
10378         * function.c (assign_parm_is_stack_parm): Likewise.
10379         * tree-nested.c: Likewise.
10380
10381 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
10382
10383         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
10384         Remove TYPECODE.
10385         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
10386
10387 2004-08-23  Eric Christopher  <echristo@redhat.com>
10388
10389         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
10390         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
10391         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
10392         * target.h: Ditto.
10393         * hooks.h: Include machmode.h.
10394         (hook_bool_mode_false): Declare.
10395         * hooks.c (hook_bool_mode_false): Define.
10396         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
10397         * stor-layout.c (layout_type): Ditto.
10398         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
10399         Define to target macro.
10400         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
10401         * config/arm/arm.c: Ditto. Use.
10402         * config/arm/arm.h: Ditto.
10403         * config/arm/arm-protos.h: Ditto.
10404         * config/i386/i386.c: Ditto.
10405         * config/i386/i386.h: Ditto.
10406         * config/rs6000/rs6000.c: Ditto.
10407         * config/rs6000/rs6000.h: Ditto.
10408         * config/sh/sh.c: Ditto.
10409         * config/sh/sh.h: Ditto.
10410         * config/sh/sh-protos.h: Ditto.
10411         * config/sh/sh.md: Use.
10412         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
10413         to TARGET_VECTOR_MODE_SUPPORTED_P.
10414
10415 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
10416
10417         * Makefile.in (BUILD_ERRORS): Set to build-errors.
10418         (errors.o): New target for host.
10419         (build-errors.o): New target for build.
10420         (genobjs): Replace errors.o with build-errors.
10421         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
10422         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
10423         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
10424         (fix-header.o): Add errors.h
10425         * collect2.c (fancy_abort): Add parameters.
10426         * collect2.h (fancy_abort): Don't declare.
10427         * errors.h (fancy_abort): Don't declare.
10428         * errors.c: Include either bconfig.h or config.h.
10429         (fancy_abort): Trim filename.
10430         * fix-header.c (v_fatal, fatal): Remove.
10431         (progname): Remove definition.
10432         (main): Set progname here.
10433         * gcc.c (fancy_abort): Add parameters.
10434         * gcc.h (fancy_abort): Remove declaration.
10435         * gcov.c (fancy_abort): Remove.
10436         * rtl.h (fancy_abort): Don't declare.
10437         (abort): Don't define.
10438         * tree.h (fancy_abort): Don't declare.
10439         (abort): Don't define.
10440         * system.h (fancy_abort): Declare.
10441         (abort): Define to fancy_abort.
10442         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
10443
10444         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
10445         (usize_type, ubitsizetype): Remove.
10446         * stor-layout.c (set_sizetype): Don't initialize usizetype,
10447         ubitsizetype.
10448         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
10449
10450         * tree.h (build_distinct_type_copy): New.
10451         (build_type_copy): ... here.  Rename to ...
10452         (build_variant_type_copy): ... here.
10453         * tree.c (build_qualified_type): Rename build_type_copy call.
10454         (build_distinct_type_copy): New, broken out of ...
10455         (build_type_copy): ... here.  Rename to ...
10456         (build_variant_type_copy): ... here.  Use
10457         build_distinct_type_copy.
10458         (build_common_tree_nodes_2): Rename build_type_copy call.
10459         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
10460         call.
10461         (handle_packed_attribute, handle_unused_attribute,
10462         handle_transparanet_union_attribute, handle_aligned_attribute,
10463         handle_deprecated_attribute): Likewise.
10464         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
10465         Likewise.
10466         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
10467         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
10468         build_distinct_type_copy.
10469
10470 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10471
10472         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
10473         attribute.
10474
10475 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10476
10477         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
10478         loads and stores.
10479         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
10480         formerly unnamed patterns.  Redefine using :P for the address.  Remove
10481         explicit length attributes.
10482
10483 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10484
10485         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
10486         New functions.
10487         (single_reachable_address): Use them.
10488         (schedule_sm): Add dump.
10489         (is_call_clobbered_ref): New function.
10490         (determine_lsm_reg): Check whether the reference is call clobbered.
10491         Only work for gimple_reg_type values.
10492
10493 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10494
10495         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
10496         $31 store insns.  Redefine using :GPR.
10497
10498 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10499
10500         * config/mips/mips.md (P): New mode macro.
10501         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
10502         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
10503         Add mode attributes.
10504
10505 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10506
10507         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
10508         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
10509         later constants to cover the gap.
10510         (load, store): New mode attributes.
10511         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
10512         Use new unspec constants.
10513
10514 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10515
10516         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
10517         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
10518         to use register_operand rather than uns_arith_operand as the predicate
10519         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
10520         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
10521         Redefine using :GPR.  Make same predicate change here.  Extend the
10522         commutativity of operands 1 and 2 from the SImode version to the
10523         DImode one.
10524         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
10525         but with no predicate changes.
10526         (*nor[sd]i3): Redefine using :GPR.
10527
10528 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10529
10530         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
10531         noreturn functions.
10532
10533 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10534
10535         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
10536         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
10537         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
10538         rather than "%z2" (with a fake const0_rtx for operand 2).
10539         (ffs[sd]i2): Redefine using :GPR.
10540         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
10541
10542 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10543
10544         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
10545
10546 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10547
10548         * config/mips/mips.md (any_extend): New code macro.
10549         (u, su): New code attributes.
10550         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
10551         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
10552         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
10553         (*{s,u}mul_acc_di): Redefine using any_extend.
10554         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
10555         to reflect real insn names.
10556         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
10557         with an any_extend template.
10558         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
10559         Add '*' to name.
10560
10561 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10562
10563         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
10564         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
10565         (mul[sd]i3_r4000): Redefine using :GPR.
10566         (mulsi3_mult3): Don't check TARGET_MAD separately.
10567         (muldi3_mult3): Moved after mulsi_mult3.
10568
10569 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10570
10571         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
10572         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
10573         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
10574         (TARGET_GAS, TARGET_MIPS_AS): Delete.
10575         (TARGET_GPWORD): Define to true for n32 on IRIX.
10576         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
10577         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
10578         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
10579         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
10580         (MDEBUG_ASM_SPEC): Delete, folding into...
10581         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
10582         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
10583         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
10584         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
10585         to define asm_abi_default_spec.
10586         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
10587         (TARGET_ASM_SELECT_SECTION): Delete.
10588         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
10589         for non-mips16 code, removing previous workaround for SGI assemblers.
10590         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
10591         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
10592         (override_options): Remove !TARGET_GAS and !have_named_sections code.
10593         (print_operand): Fold TARGET_GAS conditionals into asm strings.
10594         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
10595         ASM_STABS_OP and ASM_STABN_OP.
10596         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
10597         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
10598         (mips_output_function_prologue): Remove !TARGET_GAS code.
10599         (mips_select_rtx_section): Remove !have_named_sections code.
10600         (mips_select_section): Delete.
10601         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
10602         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
10603         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
10604         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
10605         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
10606         * config/mips/windiss.h (ASM_SPEC): Likewise.
10607
10608 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10609
10610         * read-rtl.c (map_value, mapping, macro_group): New structures.
10611         (BELLWETHER_CODE): New macro.
10612         (modes, codes, bellwether_codes): New variables.
10613         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
10614         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
10615         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
10616         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
10617         (add_map_value, initialize_macros): New functions.
10618         (def_hash, def_hash_eq_p): Generalize to anything that points to,
10619         or starts with, a char * field.
10620         (find_macro, read_mapping, check_code_macro): New functions.
10621         (read_rtx_1): New, split out from read_rtx.  Handle the new
10622         define_{mode,code}_{macro,attr} constructs.  Use find_macro
10623         to parse the name of a code or mode.  Use BELLWETHER_CODE to
10624         extract the format and to choose a suitable code for rtx_alloc.
10625         Modify recursive invocations to use read_rtx_1.
10626         (read_rtx): Call initialize_macros.  Apply code and mode macros
10627         to the rtx returned by read_rtx_1.  Cache everything after the
10628         first macro expansion for subsequent read_rtx calls.
10629         * doc/md.texi: Document new .md constructs.
10630         * config/mips/mips.md (GPR): New mode macro.
10631         (d, si8_di5): New mode attributes.
10632         (any_cond): New code macro.
10633         (add[sd]i3): Redefine using :GPR.
10634         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
10635         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
10636         previously unnamed MIPS16 patterns.
10637         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
10638         lines.  Don't match (plus (const_int 0) ...).
10639         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
10640         Use a define_split to generate the addition.
10641         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
10642         (subsi3_internal): Delete.
10643         (*subsi3_extended): Renamed from subsi3_internal_2.
10644         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
10645         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
10646         using an any_cond template.
10647
10648 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10649
10650         * read-rtl.c (read_rtx): Tidy use of format_ptr.
10651
10652 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10653
10654         * read-rtl.c (string_obstack): New file-scope variable.
10655         (read_string, read_quoted_string, read_braced_string)
10656         (read_escape): Remove obstack parameter and use string_obstack instead.
10657         (read_rtx): Remove function-local rtl_obstack and initialize
10658         string_obstack instead.  Update call to read_string.
10659
10660 2004-08-22  Andrew Pinski  <apinski@apple.com>
10661
10662         PR c/15262
10663         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
10664         expression is not constant.
10665         (c_finish_return): Do not go through INDIRECT_REF when looking
10666         for the inner expression of an ADDR_EXPR for warning about.
10667
10668 2004-08-22  Richard Henderson  <rth@redhat.com>
10669
10670         PR 17075
10671         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
10672         create new blocks and fall through.
10673         (expand_gimple_basic_block): Update to match.
10674
10675 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
10676
10677         * reload.c (find_reloads_address): Make return value tri-state.
10678         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
10679         (find_reloads): Assume that reloaded addresses match 'o' or
10680         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
10681         returned 1 (not -1).  Omit optional reloads for address operands
10682         only if find_reloads_address returned 1 (not -1).
10683
10684         * config/s390/s390.c (legitimize_reload_address): New function.
10685         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
10686         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
10687         legitimize_reload_address.
10688
10689 2004-08-22  Richard Hendersion  <rth@redhat.com>
10690
10691         * tree.h (SAVE_EXPR_RESOLVED_P): New.
10692         * gimplify.c (gimplify_save_expr): Use it.
10693         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
10694         on the temporary variable.
10695
10696 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
10697
10698         * fold-const.c (rtl_expr_nonnegative_p): Delete.
10699         * tree.h (rtl_expr_nonnegative_p): Remove.
10700
10701 2004-08-22  Steven Bosscher  <stevenb@suse.de>
10702
10703         * config/i386/ppro.md (ppro_complex_insn): Add missing check
10704         for cpu==pentiumpro.
10705
10706         * combine.c (struct reg_stat): Fix comment typo.
10707
10708 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10709
10710         * c-tree.h (c_sizeof_nowarn): Remove.
10711
10712 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
10713
10714         * c-decl.c (set_array_declarator_type): Rename to
10715         set_array_declarator_inner.
10716         (build_c_parm, build_attrs_declarator, build_function_declarator):
10717         New functions.
10718         (make_pointer_declarator): Call build_attrs_declarator.
10719         * c-tree.h (set_array_declarator_type): Rename to
10720         set_array_declarator_inner.
10721         (build_c_parm, build_attrs_declarator, build_function_declarator):
10722         New prototypes.
10723         * c-parse.in (after_type_declarator,
10724         parm_declarator_starttypename, parm_declarator_nostarttypename,
10725         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
10726         firstparm): Use these functions
10727
10728 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
10729
10730         * c-decl.c (build_array_declarator, set_array_declarator_type,
10731         start_decl, grokdeclarator, grokparms): Change boolean parameters
10732         to type bool.
10733         * c-tree.h (build_array_declarator, set_array_declarator_type,
10734         start_decl): Update prototypes.
10735         * c-decl.c, c-parse.in: All callers changed.
10736
10737 2004-08-21  Mike Stump  <mrs@apple.com>
10738
10739         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
10740         (darwin_fix_and_continue): Likewise.
10741         (darwin_fix_and_continue_switch): Likewise.
10742         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
10743         (darwin_fix_and_continue): Likewise.
10744         (darwin_fix_and_continue_switch): Likewise.
10745
10746 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
10747
10748         PR  c++/16030
10749         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
10750         Remove, merging into ...
10751         (gen_stdcall_or_fastcall_suffix): New function, returning tree
10752         rather than const char*, and accepting additional parameter.
10753         Don't add suffix to '*'-prefixed symbols or variadic functions.
10754         (i386_pe_encode_section_info): Adjust for call to new function.
10755         Call change_decl_assembler_name.
10756
10757 2004-08-20  Mike Stump  <mrs@apple.com>
10758
10759         * config/darwin.c (machopic_indirect_data_reference): Mark
10760         stubs as defined.
10761         * config/386/386.c (darwin_local_data_pic): Add.
10762         (legitimate_constant_p): Reorder so that PLUS handling runs
10763         before darwin_local_data_pic to match the ordering in
10764         legitimate_pic_address_disp_p and so that MINUS runs after
10765         darwin_local_data_pic as otherwise the darwin_local_data_pic
10766         logic can be skipped, which would be very bad.
10767         (legitimate_pic_address_disp_p): Move from from here to
10768         darwin_local_data_pic so it can be reused.
10769
10770 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
10771
10772         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
10773         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
10774         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
10775         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
10776         (RS6000_ABI_NAME): Define as "linux".
10777         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
10778         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
10779         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
10780         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
10781         * config/rs6000/rs6000.c (dot_symbols): New global var.
10782         (rs6000_output_function_entry): New function, modified for
10783         !DOT_SYMBOLS..
10784         (print_operand <case 'z'>): ..extracted from here.
10785         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
10786         (rs6000_output_function_epilogue): Likewise.
10787         (rs6000_elf_declare_function_name): Likewise.
10788         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
10789         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
10790         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
10791         * configure: Regenerate.
10792         * config.in: Regenerate.
10793
10794 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
10795
10796         * reload.c (find_reloads_address): Fix thinko in previous change.
10797
10798         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
10799         a CONST_INT.
10800
10801 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
10802
10803         PR rtl-optimization/17099
10804         * combine.c (force_to_mode): Check if inner_mask has any bits set
10805         outside of GET_MODE (x) instead of op_mode.
10806
10807 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
10808
10809         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
10810         fragment.
10811         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
10812         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
10813         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
10814         architecture.
10815         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
10816         configurations.
10817         * config/arm/t-symbian: New file.
10818
10819 2004-08-20  Andrew Pinski  <apinski@apple.com>
10820
10821         * regrename.c (kill_value_regno): ANSIfy.
10822
10823 2004-08-20  Dale Johannesen  <dalej@apple.com>
10824
10825         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
10826
10827 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
10828
10829         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
10830         (kill_value_regno): New function, derived from kill_value.
10831         (kill_value): Update.
10832         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
10833
10834 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
10835
10836         Fix PR tree-optimization/17111
10837         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
10838         of non-value_handles.
10839         (bitmap_set_contains): All constants are in every set.
10840
10841 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
10842
10843         * fold-const.c (round_up, round_down): Use build_int_cst.
10844         Optimize common case.
10845
10846 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
10847             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10848
10849         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
10850         one_only_data_section): Rename to som_readonly_data_section,
10851         som_one_only_readonly_data_section and som_one_only_data_section.
10852         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
10853         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
10854         conditional defines.
10855         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
10856         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
10857         string values.
10858         (pa_select_section): Use renamed section functions.
10859         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
10860         SOM_READONLY_DATA_SECTION_FUNCTION,
10861         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
10862         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
10863         Define here ...
10864         * config/pa/som.h: ... not here.
10865         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
10866         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
10867         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
10868         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
10869         (READONLY_DATA_SECTION): Use som_readonly_data_section.
10870
10871 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
10872
10873         * fold-const.c (int_const_binop): Don't generate non-overflowing
10874         size-types specially.
10875         (fold_convert_const): Likewise.
10876
10877         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
10878         clear cache on copied sizetype.
10879
10880 2004-08-20  Ben Elliston  <bje@au.ibm.com>
10881
10882         * configure.ac: Don't escape apostrophe in --enable-coverage help.
10883         * configure: Regenerate.
10884
10885 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
10886
10887         PR 5620
10888         * gcc.c (struct stat input_stat): Don't define if
10889         HOST_LACKS_INODE_NUMBERS
10890         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
10891         than stat to determine if temp file is same as input file.
10892         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
10893         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
10894
10895 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
10896
10897         * configure.ac (mips*-*-*): Print an error if not using GAS.
10898         * configure: Regenerated.
10899         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
10900         comments about buggy MIPSpro assemblers.
10901         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
10902         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
10903         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
10904         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
10905         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
10906         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
10907         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
10908         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
10909         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
10910         of more general IRIX 6 definitions.
10911         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
10912         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
10913         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
10914         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
10915         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
10916         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
10917         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
10918         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
10919         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
10920         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
10921         (LINK_SPEC): Move most of definition to iris.h.
10922         (SUBTARGET_LINK_SPEC): New macro.
10923         (IRIX_STARTFILE_SPEC): Fold into...
10924         (STARTFILE_SPEC): ...here.
10925         (IRIX_ENDFILE_SPEC): Fold into...
10926         (ENDFILE_SPEC): ...here.
10927         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
10928         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
10929         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
10930         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
10931         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
10932         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
10933         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
10934         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
10935         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
10936         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
10937         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
10938         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
10939         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
10940         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
10941         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
10942         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
10943         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
10944         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
10945         (TARGET_IRIX6): Define to 1.
10946         (DRIVER_SELF_SPECS): Define.
10947         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
10948         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
10949         (SUBTARGET_LINK_SPEC): New macro.
10950         (IRIX_STARTFILE_SPEC): Fold into...
10951         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
10952         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
10953         (LIB_SPEC, LIBGCC_SPEC): Use them.
10954         (LIB_SPEC): Remove !mabi=* case.
10955         (IRIX_ENDFILE_SPEC): Fold into...
10956         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
10957         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
10958         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
10959         (TARGET_IRIX6): New macro.
10960         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
10961         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
10962         (LABEL_AFTER_LOC): Delete.
10963         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
10964         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
10965         (mips_build_builtin_va_list): Check TARGET_IRIX6.
10966         (override_options): Remove TARGET_SGI_O32_AS-related code.
10967         (irix_output_external_libcall): Make static.
10968         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
10969         LABEL_AFTER_LOC.
10970         (mips_file_start): Tidy guard for ABI sections.  Remove use of
10971         ABICALLS_ASM_OP; use .abicalls instead.
10972         (mips_output_aligned_decl_common, mips_declare_object_name)
10973         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
10974         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
10975         .globl foo .text directives.
10976         (irix_asm_named_section_1, irix_asm_named_section)
10977         (irix_section_align_entry, irix_section_align_htab)
10978         (irix_orig_asm_out_file, irix_section_align_entry_eq)
10979         (irix_section_align_entry_hash, irix_asm_output_align)
10980         (irix_file_start, irix_section_align_1, copy_file_data)
10981         (irix_file_end, irix_section_type_flags): Delete.
10982         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
10983         Use standard section syntax.  Remove protective "jr $31".
10984         (__gcc_fini): Likewise .gcc_fini.
10985         * config/mips/irix-crtn.asm: Adjust sections accordingly.
10986         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
10987         iris5gas.h.
10988         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
10989         from t-irix-gld.
10990         (EXTRA_MULTILIB_PARTS): Define.
10991         * config/mips/t-iris6: Remove bogus comment.
10992         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
10993         * config/mips/iris5gas.h, config/mips/iris5gld.h,
10994         config/mips/iris6gas.h, config/mips/iris6gld.h,
10995         config/mips/t-iris5-as, config/mips/t-iris5-gas
10996         config/mips/t-irix-gld: Delete.
10997         * config/mips/iris.h: New file.
10998         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
10999
11000 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
11001
11002         * postreload.c (reload_cse_move2add): Allow any condjump, but check
11003         that the implicit set isn't clobbered in the jump insn.
11004
11005 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
11006
11007         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
11008         * optabs.c (init_optabs): Don't check it.
11009         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
11010         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
11011
11012 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
11013
11014         * config/s390/s390.md (s390_warn_framesize_string)
11015         (s390_warn_dynamic_string, s390_stack_size_string)
11016         (s390_stack_guard_string): New global string variables.
11017         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
11018         (s390_stack_guard): New global variables.
11019         (override_options): Added checks for the new options.
11020         (s390_emit_prologue): Emit stack check and trap code and perform
11021         compile time stack size checking.
11022
11023         * config/s390/s390.h (TARGET_OPTIONS): Added new options
11024         "warn-framesize", "warn-dynamicstack", "stack-size" and
11025         "stack-guard".
11026
11027         * doc/invoke.texi: Added documentation for the new options.
11028
11029 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
11030
11031         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
11032         to eliminate warning.
11033         (linear_search_fdes): Declare p as unsigned.
11034         (binary_search_mixed_encoding_fdes): Likewise.
11035         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
11036         to eliminate warning.
11037         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
11038         type cast.
11039
11040 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
11041
11042         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
11043         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
11044         instead of one.  Check for strictly legitimate address.
11045         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
11046         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
11047
11048 2004-08-19  Eric Christopher  <echristo@redhat.com>
11049
11050         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
11051         * langhooks.h (unsave_expr_now): Ditto.
11052         * tree.h (unsave_expr_1): Remove prototype.
11053         (lhd_unsave_expr_now): Rename to unsave_expr_now.
11054         * tree-inline.c (unsave_expr_1): Move here
11055         from tree.c. Make static.
11056         (unsave_expr_now): Rename from lhd_unsave_expr_now.
11057         * tree-sra.c: Fix up for rename.
11058         * tree-ssa-copy.c: Ditto.
11059         * tree-eh.c: Ditto.
11060         * tree.c (unsave_expr_1): Move to tree-inline.c.
11061
11062 2004-08-19  Caroline Tice  <ctice@apple.com>
11063
11064         * config/i386/cygming.h (switch_to_section):  Fix typo (change
11065         in_unlikely_text_section to in_unlikely_executed_text).
11066
11067 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
11068
11069         * vec.h (VEC_lower_bound): New macro.
11070
11071 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
11072
11073         PR target/16446
11074         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
11075         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
11076         treat each ABI separately.  Deal with n32/n64 complex float arguments.
11077         (function_arg): Add associated complex handling here.
11078
11079 2004-08-19  Richard Henderson  <rth@redhat.com>
11080
11081         * config/arm/arm.c (arm_gen_load_multiple): Use
11082         adjust_automodify_address.  Take base memory and offset instead
11083         of unchanging/struct/scalar bits.
11084         (arm_gen_store_multiple): Likewise.
11085         (arm_gen_movmemqi): Use adjust_automodify_address.
11086         * config/arm/arm-protos.h: Update decls.
11087         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
11088         (store_multiple): Similarly.
11089
11090 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
11091
11092         * regclass.c (globalize_reg): Update call_really_used_regs.
11093
11094 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
11095
11096         * doc/invoke.texi (integer-share-limit): Document.
11097
11098         * tree.h (TYPE_CACHED_VALUES_P): New.
11099         (TYPE_CACHED_VALUES): New.
11100         (TYPE_ORIG_SIZE_TYPE): Adjust.
11101         * tree.def (INTEGER_CST): Update documentation.
11102         * tree.c: Inlcude params.h.
11103         (build_int_cst): Cache small values.
11104         (build_type_copy): Do not copy the value cache.
11105         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
11106         unneeded zeroing.
11107         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
11108         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
11109         cache.
11110         * fold-const.c (force_fit_type): Copy value when setting
11111         overflows.
11112         (int_const_binop): Likewise.
11113         * stor-layout.c: Include params.h
11114         (set_sizetype): Create values cache.
11115         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
11116         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
11117         * params.h (INTEGER_SHARE_LIMIT): New.
11118         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
11119
11120 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
11121
11122         * gimplify.c (gimplify_minimax_expr): Remove.
11123         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
11124
11125 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
11126
11127         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
11128         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
11129
11130 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
11131
11132         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
11133
11134 2004-08-18  Andrew Pinski  <apinski@apple.com>
11135
11136         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
11137
11138 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
11139
11140         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
11141         (__aeabi_ul2f): Likewise.
11142
11143 2004-08-18  Richard Henderson  <rth@redhat.com>
11144
11145         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
11146         move to rtl completely.
11147         (struct meminsnbuf, xtensa_emit_block_move): Remove.
11148         (xtensa_find_mode_for_size): Remove.
11149         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
11150         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
11151
11152 2004-08-18  Richard Henderson  <rth@redhat.com>
11153
11154         * config/mcore/mcore.c (mode_from_align): Remove DImode.
11155         (block_move_sequence): Rewrite to use adjust_address.
11156         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
11157         Return boolean indicating success/failure.
11158         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
11159         * config/mcore/mcore.md (movmemsi): Update to match.
11160
11161 2004-08-18  Mike Stump  <mrs@apple.com>
11162
11163         * doc/invoke.texi (-mfix-and-continue): Add support for
11164         fast turn around debugging.
11165         (-ffix-and-continue): Likewise.
11166         (-mindirect-data): Likewise.
11167         (-findirect-data): Likewise.
11168         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
11169         (indirect_data): Likewise.
11170         (machopic_data_defined_p): Likewise.
11171         (machopic_output_indirection): Likewise.
11172         (darwin_encode_section_info): Likewise.
11173         (darwin_fix_and_continue): Likewise.
11174         (darwin_fix_and_continue_switch): Likewise.
11175         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
11176         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
11177         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
11178         (SUBTARGET_OPTIONS): Likewise.
11179         (darwin_fix_and_continue): Likewise.
11180         (darwin_fix_and_continue_switch): Likewise.
11181         (TARGET_FIX_AND_CONTINUE): Likewise.
11182         * config/rs6000.c (rs6000_emit_prologue): Likewise.
11183
11184 2004-08-19  Steven Bosscher  <stevenb@suse.de>
11185
11186         * basic-block.h (struct edge_def): Remove crossing_edge.
11187         (EDGE_CROSSING): New define.
11188         (EDGE_ALL_FLAGS): Update.
11189         * bb-reorder.c (find_traces_1_round, better_edge_p,
11190         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
11191         find_jump_block, fix_crossing_conditional_branches,
11192         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
11193         Replace all occurences of crossing_edge with an edge flag check
11194         or set/reset.
11195         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
11196         try_crossjump_bb): Likewise.
11197         * cfglayout.c (fixup_reorder_chain): Likewise.
11198         * cfgrtl.c (force_nonfallthru_and_redirect,
11199         commit_one_edge_insertion): Likewise.
11200
11201         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
11202         * tree-flow.h (compute_dominance_frontiers): Move prototype...
11203         * basic-block.h:  ...here.
11204         * tree-cfg.c (compute_dominance_frontiers_1,
11205         compute_dominance_frontiers): Move from here...
11206         * cfganal.c: ...to here.  Include timevar.h.
11207
11208 2004-08-18  James E Wilson  <wilson@specifixinc.com>
11209
11210         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
11211         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
11212
11213         * config/mips/mips.md (type): Add frdiv.
11214         (divsf3+1, divsf3+2): Change type to frdiv.
11215         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
11216         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
11217
11218         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
11219         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
11220         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
11221         * config/mips/5000.md (r5k_fdiv_single): Likewise.
11222         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
11223         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
11224         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
11225         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
11226         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
11227         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
11228         Likewise.
11229         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
11230
11231 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
11232
11233         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
11234         get regression tester working again.
11235
11236 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
11237
11238         * insn-notes.def, reg-notes.def: New files.
11239         * rtl.h: Use them to define enum insn_note and enum reg_note.
11240         * rtl.c: Use them to define note_insn_name and reg_note_name.
11241         * Makefile.in (RTL_BASE_H): Update.
11242
11243         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
11244         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
11245
11246 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
11247
11248         * arm.c (arm_size_rtx_costs): New function.
11249         (arm_override_options): Use it if optimizing for space.
11250
11251 2004-08-18  Richard Henderson  <rth@redhat.com>
11252
11253         * emit-rtl.c (gen_const_mem): New.
11254         * rtl.h (gen_const_mem): Declare.
11255         * expr.c (do_tablejump): Use it.
11256         * varasm.c (force_const_mem): Likewise.
11257         * config/darwin.c (machopic_indirect_data_reference): Likewise.
11258         (machopic_legitimize_pic_address): Likewise.
11259         * config/arm/arm.c (legitimize_pic_address): Likewise.
11260         * config/i386/i386.c (legitimize_pic_address): Likewise.
11261         (legitimize_tls_address): Likewise.
11262         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
11263         * config/ia64/ia64.md (load_fptr): Likewise.
11264         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
11265         * config/pa/pa.c (legitimize_pic_address): Likewise.
11266         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
11267         (rs6000_emit_move): Likewise.
11268         * config/s390/s390.c (legitimize_pic_address): Likewise.
11269         (legitimize_tls_address): Likewise.
11270         * config/s390/s390.md (casesi): Likewise.
11271         * config/sh/sh.c (sh_reorg): Likewise.
11272         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
11273         * config/v850/v850.md (casesi): Likewise.
11274
11275         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
11276         * config/sh/sh.c (prepare_move_operands): Remove incorrect
11277         use of MEM_READONLY_P.
11278
11279 2004-08-18  Steven Bosscher  <stevenb@suse.de>
11280
11281         * Makefile.in (OBJS-common): Add postreload-gcse.c.
11282         Add new postreload-gcse.o.
11283         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
11284         (lookup_as_function, insert, rehash_using_reg, use_related_value,
11285         equiv_constant): Use SAFE_HASH instead of safe_hash.
11286         (exp_equiv_p): Export.  Add for_gcse argument when comparing
11287         for GCSE.
11288         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
11289         find_comparison_args, fold_rtx, cse_insn): Update callers.
11290         (hash_rtx): New function derived from old canon_hash and bits
11291         from gcse.c hash_expr_1.
11292         (canon_hash_string): Rename to hash_rtx_string.
11293         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
11294         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
11295         (cselib_lookup): Update this caller.
11296         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
11297         Make static.
11298         (hash_expr): Call hash_rtx.
11299         (ldst_entry): Likewise.
11300         (expr_equiv_p): Call exp_equiv_p.
11301         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
11302         reg_used_on_edge, reg_set_between_after_reload_p,
11303         reg_used_between_after_reload_p, get_avail_load_store_reg,
11304         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
11305         get_bb_avail_insn, hash_scan_set_after_reload,
11306         compute_hash_table_after_reload,
11307         eliminate_partially_redundant_loads, gcse_after_reload,
11308         get_bb_avail_insn, gcse_after_reload_main): Remove.
11309         * postreload-gcse.c: New file, reincarnating most of the above.
11310         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
11311         (gcse_after_reload_main): Update prototype.
11312         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
11313         * passes.c (rest_of_handle_gcse2): Use it.
11314
11315 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
11316
11317         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
11318         (pass_loop_done): Likewise.
11319
11320 2004-08-18  Andrew Pinski  <apinski@apple.com>
11321
11322         * config/rs6000/darwin.md: Delete the altivec patterns which are
11323         handled differently now.
11324         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
11325         (macho_correct_pic_di): Likewise.
11326         (call_indirect_nonlocal_darwin64): Likewise.
11327         Delete the save world/saveFP/saveVec patterns.
11328
11329         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
11330         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
11331         * config/rs6000/rs6000.md: Include darwin.md.
11332         (builtin_setjmp_receiver): Add DImode case.
11333         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
11334         Darwin bits.
11335
11336 2004-08-18  Matt Austern  <austern@apple.com>
11337
11338         Dead code stripping
11339         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
11340         * darwin.c (darwin_file_end): Mark file as potentially strippable.
11341
11342 2004-08-18  Richard Henderson  <rth@redhat.com>
11343
11344         * alias.c (readonly_fields_p): Remove.
11345         (objects_must_conflict_p): Don't call it.
11346         * tree.h (readonly_fields_p): Remove.
11347         * langhooks.h (struct lang_hooks): Remove honor_readonly.
11348         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
11349
11350 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
11351
11352         * tree-dfa.c (add_referenced_var): Only global variables are
11353         call-clobbered.
11354         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
11355         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
11356         all pointers dereferenced if the statement dereferences them.
11357         (create_name_tags): Do not create memory tags for pointers
11358         that have PT_ANYTHING set.
11359         Also check if PT_VARS is not empty before creating a name tag.
11360         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
11361         variables that share the same alias set with a pointer that
11362         may point anywhere.
11363         (add_may_alias): Add FIXME comment to remove clobbering
11364         aliased variables and tags.
11365         (replace_may_alias): Likewise.
11366         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
11367         (merge_pointed_to_info): If the original variable has not
11368         points-to information, call set_pt_anything.
11369         (add_pointed_to_var): Do not prevent adding a pointed-to
11370         variable if the pointers is PT_ANYTHING.
11371         If the variable is a global, set PT_GLOBAL_MEM.
11372         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
11373         pointer type only come in PTR+OFFSET flavours.
11374         Always call merge_pointed_to_info on PHI arguments that are
11375         SSA_NAMEs.
11376         (get_nmt_for): Mark call-clobbered tags whose pointer points
11377         to global memory.
11378         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
11379         values.
11380         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
11381         FLAGS.
11382         (add_stmt_operand): Abort if the caller tried to add a killing
11383         definition for a memory tag.
11384         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
11385         unnecessary checks.
11386
11387 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
11388
11389         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
11390         from call_used_regs.  Update call_really_used_regs.
11391         (CALL_REALLY_USED_REGISTERS): Define.
11392         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
11393         Replace call_used_regs with call_really_used_regs.
11394         (calc_live_regs, sh_media_register_for_return): Likewise.
11395         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
11396         * sh.md (return_media): Likewise.
11397
11398 2004-08-18  Andrew Pinski  <apinski@apple.com>
11399
11400         * config/darwin.c (machopic_legitimize_pic_address): Only set
11401         MEM_READONLY_P in the non TARGET_TOC case.
11402
11403 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
11404
11405         * rtl.def (NIL): Delete.
11406         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
11407         Tighten the syntax a little.
11408
11409         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
11410         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
11411         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
11412         * config/i386/predicates.md, config/m32r/m32r.h
11413         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
11414         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
11415         * config/sparc/sparc.h, doc/tm.texi:
11416         Replace all occurrences of NIL with UNKNOWN.
11417
11418 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
11419
11420         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
11421         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
11422         sequence inline.  Move drop_through_label code into this
11423         block, being the only place it is used.  Adjust comments.
11424
11425 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
11426
11427         * config/rs6000/altivec.md: Add new patterns for calls to
11428         save_world/rest_world functions.
11429
11430         * config/rs6000/rs6000-protos.h: (save_world_operation,
11431         restore_world_operation) new declarations.
11432
11433         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
11434         field added.
11435         (rs6000_stack_info): Set world_save_p field.
11436         (save_world_operation): New function.
11437         (restore_world_operation): New function.
11438         (compute_save_world_info): New function.
11439         (rs6000_stack_info): Call compute_save_world_info.
11440         (rs6000_emit_prologue): Check for world_save_p and generate
11441         pattern to call save_world for saving all non-volatile and
11442         special registers.
11443         (rs6000_emit_epilogue): Check for world_save_p and generate
11444         pattern to call rest_world to restore saved registers.
11445
11446         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
11447         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
11448         (rs6000_reg_names): New entries added for save_world_operation and
11449         restore_world_operation.
11450
11451 2004-08-18  Caroline Tice  <ctice@apple.com>
11452
11453         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
11454         "-freorder-blocks-and-partition" to the flags used in second
11455         stage of profiledbootstrap.
11456         * bb-reorder.c (push_to_next_round_p): Add new variable,
11457         next_round_is_last; set and use variable to make sure, when
11458         partitioning, that the last trace construction round consists
11459         of all (and only) cold basic blocks.
11460         (rotate_loop): Don't copy blocks that end in a section
11461         crossing jump.
11462         (copy_bb): Correctly initialize "partition" of duplicated bb.
11463         (add_unlikely_executed_notes): Add a comment.
11464         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
11465         to make sure, if function contains hot blocks, that the
11466         successors of ENTRY_BLOCK_PTR are hot; also, only look for
11467         crossing edges if the architecture supports named sections.
11468         (mark_bb_for_unlikely_executed_section): Modify to always
11469         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
11470         the basic block note insn.
11471         (fix_crossing_unconditional_branches): Remove extra space.
11472         (fix_edges_for_rarely_executed_code): Modify to only do
11473         partitioning work if the architecture supports named sections.
11474         (reorder_basic_blocks): Modify to only add
11475         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
11476         supports named sections.
11477         * c-common.c (handle_section_attribute): Initialize new global
11478         variable, user_defined_section_attribute, to true if user has
11479         specified one.
11480         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
11481         forward edges that cross section boundaries.
11482         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
11483         partitioning information if the architecture supports named
11484         sections.
11485         * cfgrtl.c (target.h): Add statement to include this.
11486         (rtl_split_block): Make sure newly created bb gets correct
11487         partition.
11488         (try_redirect_by_replacing_jump): Make sure redirection isn't
11489         attempting to cross section boundaries.
11490         (force_nonfallthru_and_redirect): Only do partition fix up if
11491         architecture supports named sections.
11492         (rtl_split_edge): Make sure newly created bb ends up in
11493         correct partition.
11494         (commit_one_edge_insertion): Remove code that incorrectly
11495         updated basic block partition; Make sure partition fix up only
11496         happens if architecture supports named sections and it's not
11497         already done.
11498         (rtl_verify_flow_info_1): Fix if-condition on test/error
11499         condition that fallthru edges are not allowed to cross section
11500         boundaries.
11501         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
11502         * final.c (final_scan_insn): Remove redundant test from if-statement;
11503         change calls to text_section into calls to function_section; add code
11504         to only to partitioning fix up if architecture supports named
11505         sections.
11506         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
11507         partition.
11508         (if_convert): Add targetm.have_named_sections to test.
11509         * output.h (unlikely_section_label): Extern declaration for new global
11510         variable.
11511         (unlikely_text_section_name): Likewise.
11512         * opts.c (decode_options): If both partitioning and DWARF debugging
11513         are turned on, issue a warning that this doesn't work, and change
11514         partitiong to basic block reordering (without hot/cold partitions).
11515         * passes.c (rest_of_handle_final): Re-set new global variable,
11516         user_defined_section_attribute, to false.
11517         (rest_of_compilation): Change options for calling partitioning
11518         function: Don't call if the user defined the section attribute, and
11519         don't call if DECL_ONE_ONLY is true for the current function.
11520         * predict.c (choose_function_section): Return immediately if we
11521         are doing hot/cold partitioning (i.e. let the basic block partitioning
11522         determine where the function belongs).
11523         * reg-stack.c (emit_swap_insn): Add condition to step over
11524         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
11525         * toplev.c (user_defined_section_attribute): New global variable.
11526         * toplev.h (user_defined_section_attribute): Extern declaration
11527         for new global variable.
11528         * varasm.c (unlikely_section_label): New global variable.
11529         (unlikely_text_section_name): New global variable.
11530         (unlikely_text_section): Add code to initialize
11531         unlikely_text_section_name if necessary; modify to use
11532         unlikely_text_section_name and unlikely_section_label; also to use
11533         named_section properly.
11534         (in_unlikely_text_section):  Modify to work correctly with
11535         named_section and to use unlikely_text_section_name.
11536         (named_section):  Add code to work properly with cold section.
11537         (function_section): Clean up if-statement.
11538         * config/darwin.c (darwin_asm_named_section): Return to original
11539         code, removing use of SECTION_FORMAT_STRING.
11540         * config/arm/pe.h (switch_to_section):  Add case for
11541         in_unlikely_executed_text to switch statement.
11542         * config/i386/cygming.h (switch_to_section): Likewise.
11543         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
11544         (SECTION_FORMAT_STRING): Likewise.
11545         * config/mcore/mcore.h (switch_to_section): Likewise.
11546         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
11547         (SECTION_FORMAT_STRING): Remove.
11548
11549 2004-08-18  Roger Sayle  <roger@eyesopen.com>
11550
11551         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
11552         -ffixed-reg safe, by preserving the meanings of zero and one.
11553         (CALL_USED_REGISTERS): Likewise.
11554         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
11555
11556 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11557
11558         * config/sh/sh.c (split_branches): Check the result of
11559         next_active_insn.
11560         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
11561         Call rtl_register_cfg_hooks.
11562
11563 2004-08-18  Richard Henderson  <rth@redhat.com>
11564
11565         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
11566         * alias.c (true_dependence): Update to match new semantics.
11567         (canon_true_dependence, write_dependence_p): Likewise.
11568         (anti_dependence, output_dependence): Update write_dependence_p args.
11569         (unchanging_anti_dependence): Remove.
11570         * calls.c (purge_mem_unchanging_flag): Remove.
11571         (fixup_tail_calls): Don't call it.
11572         (expand_call): Don't add unchanging memory to function usage.
11573         * expr.c (emit_block_move_via_libcall): Likewise.
11574         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
11575         (get_subtarget): Don't use RTX_UNCHANGING_P.
11576         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
11577         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
11578         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
11579         * cse.c (insert): Don't use RTX_UNCHANGING_P.
11580         (cse_insn, canon_hash): Use MEM_READONLY_P.
11581         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
11582         instead of RTX_UNCHANGING_P.
11583         * explow.c (maybe_set_unchanging): Remove.
11584         * expr.h (maybe_set_unchanging): Remove.
11585         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
11586         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
11587         (assign_parm_setup_reg, expand_function_start): Likewise.
11588         * integrate.c (copy_rtx_and_substitute): Likewise.
11589         * ra-rewrite.c (emit_colors): Likewise.
11590         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
11591         (fixup_match_1): Likewise.
11592         * reload1.c (reload, alter_reg): Likewise.
11593         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
11594         not RTX_UNCHANGING_P.
11595         (equiv_init_varies_p): Likewise.
11596         * loop-invariant.c (check_maybe_invariant): Likewise.
11597         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
11598         * loop.c (note_addr_stored): Likewise.
11599         (prescan_loop): Likewise. Don't check function usage for clobbered
11600         unchanging memory.
11601         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
11602         not RTX_UNCHANGING_P.
11603         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
11604         * varasm.c (force_const_mem): Likewise.
11605         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
11606         * web.c (entry_register): Likewise.
11607         * tree-gimple.h (get_base_address): Move decl ...
11608         * tree.h: ... here.
11609         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
11610
11611         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
11612         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
11613         (alpha_set_memflags): Update to match.
11614
11615         * config/darwin.c (machopic_indirect_data_reference): Set
11616         MEM_READONLY_P instead of RTX_UNCHANGING_P.
11617         (machopic_indirect_call_target): Likewise.
11618         (machopic_legitimize_pic_address): Likewise.
11619         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
11620         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
11621         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
11622         * config/frv/frv.md (symGOT2reg): Likewise.
11623         * config/i386/i386.c (legitimize_pic_address,
11624         legitimize_tls_address, ix86_split_to_parts): Likewise.
11625         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
11626         * config/ia64/ia64.md (load_fptr): Likewise.
11627         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
11628         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
11629         * config/mcore/mcore.c (block_move_sequence): Likewise.
11630         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
11631         * config/pa/pa.c (legitimize_pic_address): Likewise.
11632         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
11633         (rs6000_emit_move): Likewise.
11634         * config/s390/s390.c (legitimize_pic_address): Likewise.
11635         (legitimize_tls_address): Likewise.
11636         * config/s390/s390.md (casesi): Likewise.
11637         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
11638         * config/sh/sh.md (symGOT2reg): Likewise.
11639         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
11640         * config/v850/v850.md (casesi): Likewise.
11641
11642         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
11643         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
11644         * config/mips/mips.c (mips_restore_gp): Likewise.
11645         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
11646         * config/sh/sh.c (sh_reorg): Likewise.
11647
11648 2004-08-18  Richard Henderson  <rth@redhat.com>
11649
11650         * tree.h (struct tree_decl): Add gimple_formal_temp.
11651         (DECL_GIMPLE_FORMAL_TEMP_P): New.
11652         * gimplify.c (pop_gimplify_context): Clear it.
11653         (lookup_tmp_var): Set it, if is_formal.
11654         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
11655         Use is_gimple_val for VECTOR.  Simplify return value.
11656         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
11657         (gimplify_expr): Likewise.
11658         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
11659         is_gimple_tmp_rhs for clarity.  Update all callers.
11660         (is_gimple_reg_rhs): Simplify logic.
11661         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
11662         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
11663         (is_gimple_formal_tmp_reg): Similarly.
11664         * tree-gimple.h: Update decls.
11665         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
11666         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
11667         * tree-ssa-live.c (var_union, type_var_init): Likewise.
11668
11669 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
11670
11671         * c4x.c (legitimize_operands): Remove calls to
11672         preserve_subexpressions_p.
11673
11674 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
11675
11676         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
11677         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
11678
11679 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
11680
11681         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
11682         Objective-C++ extensions.
11683         * gengtype.c (get_file_basename): Match entire subdirectory name
11684         ('cp', 'objc', 'objcp') rather than just its suffix.
11685         (get_base_file_bitmap): Allow for files to belong to more than one
11686         language.
11687         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
11688         used by more than one front-end.
11689
11690 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
11691
11692         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
11693         avoid use of preserve_subexpressions_p.
11694
11695 2004-08-17  Richard Henderson  <rth@redhat.com>
11696
11697         PR 17051
11698         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
11699
11700 2004-08-17  DJ Delorie  <dj@redhat.com>
11701
11702         * doc/extend.texi: Document new xstormy16 attribute.
11703
11704         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
11705         (xstormy16_splittable_below100_or_register): New.
11706         (combine_bnp): New.
11707         (xstormy16_reorg): New.
11708         (TARGET_MACHINE_DEPENDENT_REORG): Define.
11709
11710         * config/stormy16/stormy16.md (movqi_internal): Make name public.
11711         (movhi_internal): Likewise.
11712         (cbhranchhi): Likewise.
11713         (cbhranchhi_neg): Likewise.
11714         (andhi3): Only allow splittable below100 operands.
11715         (iorhi3): Likewise.
11716         (peephole2): New and/zero_extend->and peephole.
11717         (peephole2): New load/ior/save->set1 peephole.
11718         (peephole2): New load/and/save->clr1 peephole.
11719         (bclrx, bclrx2, bclr7, bclr15): New.
11720         (bsetx, bsetx2, bset7, bset15): New.
11721
11722         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
11723         liberal about acceptable 'B' masks.
11724
11725         * config/stormy16/stormy16-protos.h
11726         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
11727         xstormy16_below100_operand, xstormy16_below100_or_register,
11728         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
11729         (PREDICATE_CODES): Add new predicates.
11730
11731         * config/stormy16/stormy16.c
11732         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
11733         xstormy16_below100_operand, xstormy16_below100_or_register,
11734         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
11735         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
11736         (xstormy16_legitimate_address_p): Allow below100 symbols.
11737         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
11738         (xstormy16_expand_move): Leave below100 operands as-is.
11739         (xstormy16_encode_section_info): Encode below100 symbols.
11740         (xstormy16_strip_name_encoding): New.
11741         (xstormy16_print_operand): Print 'b' as shift mask.
11742         (xstormy16_attribute_table): Add below100 attributes.
11743         (xstormy16_handle_below100_attribute): New.
11744
11745         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
11746         (XSTORMY16_SECTION_FUNCTION): New.
11747         (EXTRA_SECTION_FUNCTIONS): Define using the above.
11748         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
11749         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
11750         (ASM_OUTPUT_LABELREF): Define.
11751
11752         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
11753         (movhi_internal): Add below100 support.
11754         (andhi3): Add below100 support.
11755         (iorhi3): Add below100 support.
11756         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
11757
11758 2004-08-17  James E Wilson  <wilson@specifixinc.com>
11759
11760         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
11761         of VOIDmode for comparison code mode.
11762         * config/mips/mips.md: For conditional move patterns, use mode of
11763         first compare operand for comparison mode, instead of VOIDmode.
11764
11765         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
11766         normal and -ffast-math code.
11767
11768 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
11769
11770         PR c++/15871
11771         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
11772
11773 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
11774
11775         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
11776
11777 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
11778
11779         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
11780         for non Darwin targets.
11781         (*call_value_nonlocal_darwin64): Likewise.
11782
11783 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
11784
11785         * config/rs6000/rs6000.c (rs6000_function_value): Check for
11786         altivec mode for altivec return register.
11787
11788 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
11789
11790         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
11791         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
11792         * config/rs6000/rs6000.md: Include darwin.md.
11793         (builtin_setjmp_receiver): Add DImode case.
11794         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
11795         Darwin bits.
11796
11797 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
11798
11799         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
11800         trees.
11801         * tree-vectorizer.h: New File: Same.
11802         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
11803         * common.opt (ftree-vectorize): New flag to enable vectorization.
11804         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
11805         vectorization pass.
11806         * tree-data-ref.h (init_data_ref): Additional argument.
11807         (array_base_name_differ_p): Moved to tree-data-ref.c.
11808         * tree-data-ref.c (array_base_name_differ_p): Revised.
11809         (initialize_data_dependence_relation): Call array_base_name_differ_p
11810         with an extra argument.
11811         (analyze_all_data_dependences): Same.
11812         (init_data_ref): Additional argument is_read to set DR_IS_READ.
11813         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
11814         file.
11815         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
11816         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
11817         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
11818         vectorization pass.
11819         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
11820         (tree_ssa_loop_done): Call scev_finalize.
11821         (tree_vectorize): Define the new vectorization pass.
11822         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
11823         size of the vector they support (until support for multiple vector
11824         sizes is added to the vectorizer).
11825         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
11826         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
11827         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
11828         documentation.
11829
11830 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
11831
11832         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
11833         usage.
11834         (generate_protocol_list, handle_impent): Likewise.
11835
11836 2004-08-17  Roger Sayle  <roger@eyesopen.com>
11837
11838         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
11839         ensure that call_used_regs is a superset of both fixed_regs and
11840         call_really_used_regs.
11841
11842 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
11843
11844         PR target/17019
11845         * arm.md (addsi3_cbranch_scratch): Correct case labels.
11846
11847 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
11848
11849         PR middle-end/17036
11850         * fold-const.c (fold): Check for integer operand when
11851         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
11852         Pinski  <pinskia@physics.uc.edu>.
11853
11854 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
11855
11856         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
11857         No need to check if in a cross configuration.
11858         * configure: Regenerate.
11859
11860         * calls.c (precompute_register_parameters):
11861         Inline preserve_subexpressions_p ().
11862         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
11863         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
11864         Likewise.
11865         * expr.c (get_subtarget): Likewise.
11866         * rtl.h (preserve_subexpressions_p): Remove.
11867         * stmt.c (preserve_subexpressions_p): Remove.
11868
11869         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
11870         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
11871         Abort on gimplified cases.
11872
11873 2004-08-16  James E Wilson  <wilson@specifixinc.com>
11874
11875         * tree.h (VECTOR_FLOAT_TYPE_P): New.
11876         (FLOAT_TYPE_P): Use it.
11877         * c-typeck.c (build_binary_op): After convert calls, check for
11878         check for ERROR_MARK operands.
11879
11880 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
11881
11882         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
11883         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
11884         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
11885         (genobjs static pattern rule): Remove %.c dependency.
11886         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
11887         Rename rules; delete commands; fix dependencies.
11888         (mostlyclean): Do not delete temporary source copies.
11889         * configure.ac: Delete all references to BUILD_PREFIX and
11890         BUILD_PREFIX_1.
11891         * configure: Regenerate.
11892
11893         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
11894         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
11895         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
11896         with #ifndef GENERATOR_FILE so that nothing from those headers
11897         is used.
11898
11899         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
11900
11901 2004-08-16  Adam Nemet  <anemet@lnxw.com>
11902
11903         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
11904
11905 2004-08-16  Andrew Pinski  <apinski@apple.com>
11906
11907         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
11908         extraneous semicolon.
11909
11910 2004-08-16  Devang Patel  <dpatel@apple.com>
11911
11912         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
11913         * print-tree.c (print_node): Print DECL_PRESERVE_P.
11914         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
11915         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
11916         * target.h (struct gcc_target): New member, mark_decl_preserved.
11917         * hooks.c (hook_void_charptr): Rename to ...
11918         (hook_void_constcharptr): ... new name.
11919         * hooks.h (hook_void_charptr): Rename to ..
11920         (hook_void_constcharptr): ... new name.
11921         * tree.h (DECL_PRESERVE_P): New #define.
11922         (struct tree_decl): New member, preserve_flag.
11923         * varasm.c (assemble_start_function): Mark decl preserved.
11924         (assemble_variable): Same.
11925         * darwin.c (darwin_mark_decl_preserved): New function.
11926         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
11927         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
11928         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
11929
11930 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
11931
11932         * c-decl.c (grokdeclarator): Allow for function definition where
11933         innermost declarator has attributes.
11934
11935 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
11936
11937         * except.c (get_exception_filter, build_post_landing_pads,
11938         dw2_build_landing_pads): Use target-specific mode for 'filter'.
11939         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
11940         * target.h (eh_return_filter_mode): New field added.
11941         * targhooks.c (default_eh_return_filter_mode): Defined.
11942         * targhooks.h (default_eh_return_filter_mode): Declared.
11943         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
11944
11945 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
11946
11947         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
11948         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
11949         * configure: Regenerate.
11950
11951 2004-08-16  Stan Shebs  <shebs@apple.com>
11952
11953         Basic support for 64-bit Darwin.
11954         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
11955         (machopic_legitimize_pic_address): Similarly, plus use Pmode
11956         instead of SImode.
11957         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
11958         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
11959         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
11960         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
11961         (PROCESSOR_DEFAULT64): Define.
11962         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
11963         Darwin.
11964         * config/rs6000/rs6000.md: Include darwin.md.
11965         (builtin_setjmp_receiver): Add DImode case.
11966         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
11967         Darwin.
11968         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
11969         (rs6000_emit_move): Add DImode case to Darwin bits.
11970         (machopic_output_stub): Use .quad if 64-bit.
11971         * invoke.texi: Document -m32 and -m64.
11972
11973 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
11974
11975         * doc/extend.texi (AltiVec builtins): Document additional differences
11976         from the Motorola AltiVec PIM.
11977
11978 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
11979
11980         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
11981         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
11982         (struct tree_common): Update public_flag documentation.
11983
11984 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
11985
11986         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
11987         Check for artificial variables, not is_gimple_tmp_var.
11988         * tree-ssa-live.c (var_union): Likewise.
11989
11990 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
11991
11992         * calls.c (load_register_parameters): Remove spurious FIXME token.
11993
11994 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
11995
11996         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
11997         (c-lang.o): Depend on c-objc-common.h.
11998         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
11999         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
12000         * c-lang.c: Include c-objc-common.h.
12001         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
12002         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
12003         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
12004         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
12005         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
12006         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
12007         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
12008         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
12009         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
12010         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
12011         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
12012         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
12013         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
12014         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
12015         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
12016         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
12017         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
12018         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
12019         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
12020         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
12021         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
12022         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
12023         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
12024         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
12025         Move to c-objc-common.h.
12026         * c-objc-common.c: Include c-objc-common.h.
12027         * c-objc-common.h: New file.
12028
12029 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
12030             Andrew Pinski  <pinskia@physics.uc.edu>
12031
12032         PR target/14931
12033         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
12034         style.
12035
12036 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
12037
12038         * tree.h (build_int_cst): New.
12039         (build_int_2): Remove.
12040         * tree.c (build_int_2): Remove.
12041         (build_int_cst): New.
12042         (make_vector_type, build_common_tree_nodes,
12043         build_common_tree_nodes_2): Use build_int_cst.
12044         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
12045         expand_builtin_strpbrk, expand_builtin_fputs,
12046         build_string_literal, expand_builtin_printf,
12047         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
12048         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
12049         fold_builtin_isdigit, simplify_builtin_strstr,
12050         simplify_builtin_strpbrk, fold_builtin_fputs,
12051         simplify_builtin_sprintf): Use build_int_cst.
12052         * c-common.c (start_fname_decls, fix_string_type,
12053         c_common_nodes_and_builtins, c_init_attributes,
12054         shorten_compare): Likewise.
12055         * c-decl.c (complete_array_type,
12056         check_bitfield_type_and_width): Likewise.
12057         * c-lex.c (interpret_integer, lex_charconst): Likewise.
12058         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
12059         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12060         * c-typeck.c (really_start_incremental_init, push_init_level,
12061         set_nonincremental_init_from_string): Likewise.
12062         * calls.c (load_register_parameters): Likewise.
12063         * convert.c (convert_to_pointer): Likewise.
12064         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
12065         build_fn_info_type, build_ctr_info_value, build_gcov_info):
12066         Likewise.
12067         * except.c (init_eh, assign_filter_values, assign_filter_values):
12068         Likewise.
12069         * expmed.c (store_fixed_bit_field, extract_bit_field,
12070         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
12071         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
12072         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
12073         * expr.c (convert_move, emit_group_load, emit_group_store,
12074         expand_assignment, store_constructor, store_field,
12075         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
12076         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
12077         invert_truthvalue, optimize_bit_field_compare,
12078         decode_field_reference, all_ones_mask_p, constant_boolean_node,
12079         fold_div_compare, fold, fold_read_from_constant_string,
12080         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
12081         * function.c (assign_parm_setup_block): Likewise.
12082         * stmt.c (shift_return_value, expand_end_case_type,
12083         estimate_case_costs): Likewise.
12084         * stor-layout.c (layout_type, initialize_sizetypes,
12085         set_min_and_max_values_for_integral_type): Likewise.
12086         * tree-chrec.c (chrec_fold_multiply_poly_poly,
12087         reset_evolution_in_loop): Likewise.
12088         * tree-chrec.h (build_polynomial_chrec): Likewise.
12089         * tree-complex.c (build_replicated_const): Likewise.
12090         * tree-eh.c (honor_protect_cleanup_actions,
12091         lower_try_finally_onedest, lower_try_finally_copy,
12092         lower_try_finally_switch): Likewise.
12093         * tree-mudflap.c (mf_build_string, mx_register_decls,
12094         mudflap_register_call, mudflap_enqueue_constant): Likewise.
12095         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
12096         * tree-pretty-print.c (dump_generic_node): Likewise.
12097         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
12098         Likewise.
12099         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
12100         * tree-ssa-loop-niter.c (number_of_iterations_cond,
12101         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
12102         Likewise.
12103
12104         * config/alpha/alpha.c (alpha_initialize_trampoline,
12105         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
12106         * config/arm/arm.c (arm_get_cookie_size): Likewise.
12107         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
12108         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
12109         * config/i860/i860.c (i860_va_start): Likewise.
12110         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
12111         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
12112         mips_gimplify_va_arg_expr): Likewise.
12113         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
12114         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
12115         add_compiler_branch_island): Likewise.
12116         * config/s390/s390.c (s390_va_start): Likewise.
12117         * config/sh/sh.c (sh_va_start): Likewise.
12118         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
12119         Likewise.
12120         * config/xtensa/xtensa.c (xtensa_va_start,
12121         xtensa_gimplify_va_arg_expr): Likewise.
12122
12123         * objc/objc-act.c (build_objc_string_object,
12124         build_objc_symtab_template, init_def_list, init_objc_symtab,
12125         init_module_descriptor, generate_static_references,
12126         build_selector_translation_table, get_proto_encoding,
12127         build_typed_selector_reference, build_selector_reference,
12128         build_next_objc_exception_stuff,
12129         build_method_prototype_list_template, generate_descriptor_table,
12130         generate_protocols, build_protocol_initializer,
12131         build_ivar_list_template, build_method_list_template,
12132         build_ivar_list_initializer, generate_ivars_list,
12133         generate_dispatch_table, generate_protocol_list,
12134         build_category_initializer, build_shared_structure_initializer,
12135         generate_shared_structures, handle_impent,
12136         generate_objc_image_info): Use build_int_cst.
12137
12138 2004-08-15  Ben Elliston  <bje@au.ibm.com>
12139
12140         * vec.h: Comment improvements.
12141
12142 2004-08-14  Roger Sayle  <roger@eyesopen.com>
12143
12144         * c-common.c (shorten_compare, pointer_int_sum,
12145         c_common_truthvalue_conversion, boolean_increment): Replace calls
12146         to build with calls to buildN.
12147         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
12148         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
12149         gimplify_switch_stmt): Likewise.
12150         * c-typeck.c (default_function_array_conversion,
12151         build_component_ref, build_array_ref, build_function_call,
12152         pointer_diff, build_unary_op, build_conditional_expr,
12153         build_compound_expr, build_modify_expr, c_finish_goto_label,
12154         c_finish_goto_ptr, c_finish_return, c_finish_loop,
12155         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
12156         build_binary_op): Likewise.
12157
12158 2004-08-15  Steven Bosscher  <stevenb@suse.de>
12159
12160         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
12161
12162 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12163
12164         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
12165         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
12166         * fixinc/fixincl.x: Rebuilt.
12167
12168 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
12169
12170         * config/mips/mips-protos.h (mips_symbolic_constant_p)
12171         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
12172         (mips_small_data_pattern_p): Declare.
12173         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
12174         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
12175         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
12176         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
12177         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
12178         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
12179         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
12180         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
12181         (pc_or_label_operand, call_insn_operand, move_operand)
12182         (consttable_operand, symbolic_operand, general_symbolic_operand)
12183         (global_got_operand, local_got_operand, stack_operand)
12184         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
12185         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
12186         (mips_small_data_pattern_p): Replace previous small_data_pattern
12187         predicate.  Turn into a bool () (rtx) function.
12188         * config/mips/predicates.md: New file.
12189         * config/mips/mips.md: Include it.  Use the target-independent
12190         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
12191         trap_comparison_operator and equality_op to equality_operator.
12192         Replace uses of small_int with the equivalent const_arith_operand.
12193         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
12194         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
12195         to fcc_reload_operand.
12196         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
12197
12198 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12199
12200         PR libstdc++/17005 partial fix.
12201         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
12202         except when generating ANSI/C89 code.
12203
12204 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
12205
12206         * c-common.c (shorten_compare): Use force_fit_type directly.
12207
12208 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
12209             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
12210             Dave Korn  <dk@artimi.com>
12211
12212         * doc/install.texi (Building): Avoid duplicate reference to GNU
12213         make requirement.
12214         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
12215
12216 2004-08-14  Richard Henderson  <rth@redhat.com>
12217
12218         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
12219         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
12220
12221 2004-08-13  Richard Henderson  <rth@redhat.com>
12222
12223         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
12224         for constant_call_address_operand.
12225         (call_value_pop_1, call_value_1): Likewise.
12226         (sibcall_value_1, call_value_1_rex64): Likewise.
12227
12228 2004-08-13  James E Wilson  <wilson@specifixinc.com>
12229
12230         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
12231         Correct mode from SFmode to DFmode.
12232
12233 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
12234
12235         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
12236         __cstring_object and __image_info sections with the no_dead_strip
12237         attribute.
12238
12239 2004-08-13  Roger Sayle  <roger@eyesopen.com>
12240             David Billinghurst  <David.Billinghurst@riotinto.com>
12241
12242         PR libgfortran/15930
12243         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
12244         * fixinc/fixincl.x: Regenerate.
12245         * fixinc/tests/base/internal/math_core.h: New file.
12246
12247 2004-08-13  Richard Henderson  <rth@redhat.com>
12248
12249         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
12250         (dbxout_function_end): Remove ifdefs for it.
12251         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
12252
12253 2004-08-13  Richard Henderson  <rth@redhat.com>
12254
12255         * Makefile.in (insn-preds.o): Depend on TREE_H.
12256         * genpreds.c (write_insn_preds_c): Include tree.h.
12257         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
12258         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
12259         const48_operand, and_operand, or_operand, mode_width_operand,
12260         mode_mask_operand, mul8_operand, const0_operand,
12261         hard_fp_register_operand, hard_int_register_operand,
12262         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
12263         samegp_function_operand, direct_call_operand, small_symbolic_operand,
12264         global_symbolic_operand, call_operand, symbolic_operand,
12265         dtp16_symbolic_operand, dtp32_symbolic_operand,
12266         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
12267         gottp_symbolic_operand, alpha_comparison_operator,
12268         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
12269         signed_comparison_operator, alpha_fp_comparison_operator,
12270         divmod_operator, fix_operator, aligned_memory_operand,
12271         unaligned_memory_operand, reg_or_unaligned_mem_operand,
12272         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
12273         reg_no_subreg_operand, addition_operation): Move to predicates.md.
12274         (reg_or_const_int_operand): Remove.  Replace all users with
12275         reg_or_cint_operand.
12276         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
12277         (resolve_reload_operand): Split out of aligned_memory_operand.
12278         * config/alpha/alpha-protos.h: Update for exports.
12279         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
12280         * config/alpha/alpha.md: Include predicates.md.
12281         * config/alpha/predicates.md: New file.
12282
12283 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
12284
12285         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
12286         fields with a pointer to the instruction definition.
12287         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
12288         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
12289         (write_attr_case, write_const_num_delay_slots): Update accordingly.
12290         (write_attr_case, write_const_num_delay_slots): Write the name of
12291         an insn next to its case statement.
12292         * genoutput.c (data): Add a filename field.
12293         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
12294         (output_insn_data): Print the location of each insn definition.
12295         * genrecog.c (write_action): Print the name of an insn above
12296         the statement that returns its code.
12297
12298 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
12299
12300         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
12301         * config/libgloss.h: Likewise.
12302         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
12303         * c4x/c4x-modes.def: Likewise.
12304         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
12305         (c4x_rptb_nop_p): Likewise.
12306         (c4x_rptb_valid_p): Likewise.
12307         (c4x_rptb_insert): Likewise.
12308         (c4x_address_conflict): Likewise.
12309         * config/c4x/c4x.md: Likewise.
12310         * config/frv/frv.md: Likewise.
12311         * config/i386/athlon.md: Likewise.
12312         * config/i386/i386.md: Likewise.
12313         * config/i386/predicates.md: Likewise.
12314         * config/ia64/ia64.c: Likewise.
12315         * config/ia64/itanium1.md: Likewise.
12316         * config/ia64/itanium2.md: Likewise.
12317         * config/iq2000/iq2000.md: Likewise.
12318         * config/mcore/mcore.c: Likewise.
12319         * config/mips/mips.c: Likewise.
12320         * config/mips/r3900.h: Likewise.
12321         * config/mips/sb1.md: Likewise.
12322         * config/pa/milli64.S: Likewise.
12323         * config/pa/pa.c: Likewise.
12324         * config/pa/pa.h: Likewise.
12325         * config/rs6000/8540.md: Likewise.
12326
12327 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
12328
12329         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
12330
12331 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
12332
12333         * sh.md (cbranch define_delay) Use cond_delay_slot for
12334         non-anulled condition too.
12335
12336 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
12337
12338         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
12339         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
12340         any_parallel_operand, lmw_operation, stmw_operation,
12341         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
12342         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
12343         any_parallel_operand.
12344         (return_and_restore_fpregs_{si,di}): Same.
12345
12346 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
12347
12348         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
12349         if pred->singleton != PARALLEL, issue a warning and pretend it was.
12350         Also issue a warning for any predicate we don't know about.
12351
12352 2004-08-12  Richard Henderson  <rth@redhat.com>
12353
12354         * config/i386/i386.c (internal_label_prefix): Export.
12355         (internal_label_prefix_len, struct ix86_address,
12356         ix86_decompose_address, maybe_get_pool_constant,
12357         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
12358         memory_address_length): Export.
12359         (any_fp_register_operand, fp_register_operand,
12360         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
12361         x86_64_general_operand, x86_64_szext_general_operand,
12362         x86_64_nonmemory_operand, x86_64_movabs_operand,
12363         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
12364         x86_64_zext_immediate_operand, const_int_1_31_operand,
12365         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
12366         tls_symbolic_operand, global_dynamic_symbolic_operand,
12367         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
12368         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
12369         constant_call_address_operand, const0_operand, const1_operand,
12370         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
12371         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
12372         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
12373         general_no_elim_operand, nonmemory_no_elim_operand,
12374         index_register_operand, q_regs_operand, flags_reg_operand,
12375         non_q_regs_operand, zero_extended_scalar_load_operand,
12376         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
12377         ix86_comparison_operator, ix86_carry_flag_operator,
12378         fcmov_comparison_operator, promotable_binary_operator,
12379         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
12380         mult_operator, div_operator, arith_or_logical_operator,
12381         memory_displacement_operand, cmpsi_operand, long_memory_operand,
12382         aligned_operand): Move to predicates.md as define_predicates.
12383         (tls_symbolic_operand_1): Remove.
12384         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
12385         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
12386         (legitimize_address): Merge tls_symbolic_operand contents.
12387         (ix86_expand_move): Likewise.
12388         * config/i386/i386-protos.h: Update for exports.
12389         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
12390         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
12391         * config/i386/i386.md: Include predicates.md.
12392         * config/i386/predicates.md: New file.
12393
12394 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
12395
12396         PR c++/16924
12397         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
12398         SYMBOL_REF_DECL.
12399         (i386_pe_mark_dllimport): Likewise.
12400         (i386_pe_encode_section_info): Likewise, when overriding
12401         dllimport attribute.
12402
12403 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
12404
12405         * configure.ac: When testing for flex, nm, ar, and bison, check
12406         that they will actually be built.
12407         * configure: Regenerate.
12408
12409 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
12410
12411         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
12412         (MOVE_MAX_PIECES): Define.
12413
12414 2004-08-12  Devang patel  <dpatel@apple.com>
12415
12416         * dbxout.c (dbxout_begin_prologue): New function.
12417         (dbx_debug_hooks): Use new begin prologue hook.
12418         (dbxout_function_end): Emit N_ENSYM.
12419         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
12420
12421 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
12422
12423         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
12424         argument is float*.
12425
12426         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
12427         for vec_dss.
12428
12429         * doc/extend.texi (AltiVec builtins): Fix description for recent
12430         changes.  Update operation list to match current support.
12431
12432 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
12433
12434         * config/s390/s390.c (struct s390_frame_layout): New struct as element
12435         of struct machine_function.
12436         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
12437         changed all uses.
12438         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
12439         changed all uses.
12440         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
12441         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
12442         (s390_frame_area, s390_register_info): New functions.
12443         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
12444         for base register.
12445         (s390_return_addr_rtx, s390_return_address_offset)
12446         (s390_va_start, s390_gimplify_va_arg)
12447         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
12448         layouts.
12449         (s390_frame_info): Functionality partly moved to s390_register_info.
12450         Made adaptions for new stack layout.
12451         (save_gprs, restore_gprs): Changed meaning of second parameter and
12452         adapted all callers.
12453
12454         * config/s390/s390.h (s390_backchain_string): New global variable.
12455         (MASK_BACKCHAIN): Removed definition.
12456         (TARGET_BACKCHAIN): Changed check.
12457         (TARGET_KERNEL_BACKCHAIN): New macro.
12458         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
12459         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
12460         "kernel-backchain".
12461         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
12462
12463         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
12464         as condition.  Adjusted for new stack layout.
12465
12466         * doc/invoke.texi: Added documentation for new option
12467         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
12468         "-mno-backchain".
12469
12470 2004-08-12  Paul Brook  <paul@codesourcery.com>
12471
12472         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
12473         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
12474
12475 2004-08-12  David Daney  <ddaney@avtrex.com>
12476
12477         * java/gcj.texi:  Add subsection on signal usage.
12478
12479 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
12480
12481         * expr.c (move_by_pieces): Set alignment for move to minimum of
12482         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
12483         alignment, but not less than the original alignment.
12484         (move_by_pieces_ninsns): Same.
12485         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
12486         (store_by_pieces_1): Same.
12487
12488 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
12489
12490         PR tree-optimization/16867
12491         * tree.c (is_global_var): New function.
12492         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
12493         Call is_global_var.
12494         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
12495         Update all users.
12496         (is_global_var): Declare.
12497         * tree-dfa.c (dump_variable): Display global and addressable
12498         attributes.
12499         (add_referenced_var): Clarify documentation when marking
12500         variables call-clobbered.
12501         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
12502         instead of needs_to_live_in_memory.
12503         (mark_call_clobbered): If the variable is a tag, mark it
12504         DECL_EXTERNAL.
12505         * tree-gimple.c (is_gimple_reg): Don't check for
12506         TREE_ADDRESSABLE.
12507         (is_gimple_non_addressable): Likewise.
12508         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
12509         needs to be marked call-clobbered.
12510         (setup_pointers_and_addressables): Call is_global_var instead
12511         of needs_to_live_in_memory.
12512         * tree-ssa-dce.c (need_to_preserve_store): Remove.
12513         Update all users with is_global_var.
12514         (mark_stmt_if_obviously_necessary): Fix processing of aliased
12515         stores.  Don't check the virtual definitions.  Rather, check
12516         whether the store is going into global memory.
12517         (find_obviously_necessary_stmts): Get the symbol from the PHI
12518         result.
12519         * tree-ssa-operands.c (get_call_expr_operands): Do not add
12520         clobbering may-defs if the call does not have side effects.
12521
12522 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
12523
12524         PR c++/16276
12525         * output.h (default_function_rodata_section,
12526         default_no_function_rodata_section): New prototypes.
12527         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
12528         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
12529         (TARGET_ASM_OUT): Add it.
12530         * varasm.c (default_function_rodata_section,
12531         default_no_function_rodata_section): New functions.
12532         * final.c (final_scan_insn): Call
12533         targetm.asm_out.function_rodata_section instead of
12534         readonly_data_section.
12535         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
12536         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12537         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12538         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12539         Likewise.
12540         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12541         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12542         Likewise.
12543         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12544         Likewise.
12545         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12546         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12547         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
12548
12549 2004-08-12  Paul Brook  <paul@codesourcery.com>
12550
12551         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
12552         frame info.
12553         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
12554         DWARF2_UNWIND_INFO.
12555
12556 2004-08-12  Ben Elliston  <bje@au.ibm.com>
12557
12558         PR target/16286
12559         * config/rs6000/altivec.h: Change vector to __vector throughout.
12560         (Except for the `vector' macro itself).
12561
12562 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
12563
12564         * genpreds.c: Add capability to generate predicate bodies as
12565         well as function prototypes.  Write function prototypes for
12566         the generic predicates too.
12567         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
12568         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
12569         (write_match_code, write_predicate_expr, write_one_predicate_function)
12570         (parse_option): New functions.
12571         (output_predicate_decls): Delete.
12572         (main): Read the machine description, process DEFINE_PREDICATE or
12573         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
12574         as appropriate.
12575
12576         * genrecog.c (struct decision_test): Replace index with
12577         struct pred_data pointer.
12578         (next_index): Remove, unused.
12579         (pred_table, preds, special_mode_pred_table): Delete.
12580         (compute_predicate_codes, process_define_predicate): New functions.
12581         (validate_pattern, add_to_sequence, write_switch): Update for
12582         new data structures.
12583         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
12584         Check both error_count and have_error.
12585
12586         * gensupport.c (in_fname, first_predicate): New globals.
12587         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
12588         (predicate_table, last_predicate, old_pred_table)
12589         (old_special_pred_table): New statics.
12590         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
12591         (add_predicate, init_predicate_table): New functions.
12592         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
12593         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
12594         it or max_include_len.  Call init_predicate_table.
12595         (read_rtx): Run the predicate queue after the attribute queue
12596         but before all the others.
12597         * gensupport.h (in_fname, struct pred_data, first_predicate)
12598         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
12599         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
12600         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
12601         * dummy-conditions.c: Don't include bconfig.h, system.h,
12602         coretypes.h, tm.h, or system.h.  Do include stddef.h.
12603         Duplicate declaration of struct c_test from gensupport.h.
12604
12605         * Makefile.in (OBJS-common): Add insn-preds.o.
12606         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
12607         (insn-preds.c, insn-preds.o): New rules.
12608         (s-preds): Also generate insn-preds.c.
12609         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
12610         Update dependencies.
12611         (print-rtl.o, print-rtl1.o): Correct dependencies.
12612
12613         * recog.h: Delete prototypes of predicate functions.
12614
12615         * doc/md.texi (Predicates): New section with complete
12616         documentation of operand/operator predicates.  Remove some
12617         incomplete documentation of predicates from other places.
12618         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
12619         PREDICATE_CODES; indicate that both are deprecated in favor
12620         of define_predicate/define_special_predicate.
12621
12622         * config/ia64/ia64.c: All predicate function definitions moved
12623         to ia64.md, except
12624         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
12625         (ia64_expand_load_address, ia64_expand_move):
12626         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
12627
12628         * config/ia64/ia64.md: All predicates now defined here.
12629         (symbolic_operand): Is now a special predicate.
12630
12631         * config/ia64/ia64.h: Declare ia64_section_threshold.
12632         (PREDICATE_CODES): Delete.
12633
12634 2004-08-12  Richard Henderson  <rth@redhat.com>
12635
12636         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
12637         * c-semantics.c (add_stmt): Set it.
12638         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
12639         before instantiating a variable sized type.
12640
12641 2004-08-12  Richard Henderson  <rth@redhat.com>
12642
12643         * stor-layout.c (round_up, round_down): Move ...
12644         * fold-const.c (round_up, round_down): ... here.  Use
12645         multiple_of_p to avoid any arithmetic at all.
12646
12647 2004-08-12  Richard Henderson  <rth@redhat.com>
12648
12649         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
12650         (gimplify_init_ctor_preeval_1): New.
12651         (gimplify_init_ctor_preeval): New.
12652         (gimplify_init_ctor_eval): New.
12653         (gimplify_init_constructor): Use them.  Always gimplify the LHS
12654         object first.
12655
12656 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
12657
12658         (This patch is part of merge of objc-improvements-branch
12659         into mainline.)
12660
12661         * doc/frontends.texi: Mention Objective-C++ in addition to
12662         Objective-C.
12663         * doc/install.texi: Add 'obj-c++' to list of configurable
12664         languages.
12665         * doc/invoke.texi: Rename Objective-C option headings to
12666         indicate they also apply to Objective-C++.  List file
12667         extensions for Objective-C++ sources.  Mention that
12668         ObjC and ObjC++ compilations may also use C and C++ options,
12669         respectively.  Point users to doc/standards.texi for
12670         further info on ObjC and ObjC++.
12671         * doc/sourcebuild.texi: Mention the objcp/ directory and
12672         the Objective-C++ sources it contains.
12673         * doc/standards.texi: Update link to Apple ObjC site;
12674         add link to gcc readings.html WWW doc.
12675
12676 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
12677
12678         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
12679         and 2004-07-14 changes.
12680
12681 2004-08-12  Paul Brook  <paul@codesourcery.com>
12682
12683         * doc/invoke.texi: Fix typo.
12684
12685 2004-08-11 Devang Patel  <dpatel@apple.com>
12686
12687         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
12688         and -no_dead_strip_inits_and_terms.
12689         (LINK_SPEC): Same.
12690         * doc/invoke.texi (Darwin Options): Document -dead_strip and
12691         -no_dead_strip_inits_and_terms.
12692
12693 2004-08-11  Paul Brook  <paul@codesourcery.com>
12694
12695         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
12696         (arm_load_pic_register): ... to this.
12697         * config/arm/arm.c (arm_finalize_pic): Rename ...
12698         (arm_load_pic_register): ... to this.  Always output insns at the
12699         current location.  Load via low reg in thumb mode.
12700         (arm_expand_prologue): Call arm_load_pic_register.
12701         (thumb_expand_prologue): Ditto.
12702         * config/arm/arm.h (FINALIZE_PIC): Remove.
12703         * config/arm/arm.md (builtin_setjmp_receiver): Call
12704         arm_load_pic_register.
12705
12706 2004-08-11  Paul Brook  <paul@codesourcery.com>
12707
12708         * arm.c (thumb_force_lr_save): Add prototype.
12709         (thumb_compute_save_reg_mask): New function.
12710         (thumb_find_work_register): New function.
12711         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
12712         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
12713         Don't clobber r3 when removing pretend args.
12714         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
12715         (thumb_output_function_prologue): Use new functions.
12716         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
12717         * arm.h (THUMB_REG_PUSHED_P): Remove.
12718
12719 2004-08-11  James E Wilson  <wilson@specifixinc.com>
12720
12721         PR rtl-optimization/16490
12722         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
12723         global_live_at_end for new basic block if already set for other blocks.
12724
12725 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
12726
12727         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
12728
12729         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
12730         (mfcr rlwinm rlwinm patterns): Set length to 12.
12731
12732 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
12733
12734         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
12735         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
12736         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
12737         (start_ssa_stmt_operands): Delete.
12738         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
12739         struct stmt_operands_d.
12740         (build_ssa_operands): New extern entry point.
12741         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
12742         building code, replace with create_ssa_artficial_load_stmt().
12743         * tree-ssa-operands.c (struct voperands_d): Delete.
12744         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
12745         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
12746         (free_uses, free_defs, free_vuses, free_v_may_defs,
12747         free_v_must_defs): Remove dealloc parameter.
12748         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
12749         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
12750         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
12751         vector comparisons, ssa_name reuse, and allocations here.
12752         (verify_start_operands): Delete.
12753         (finalize_ssa_stmt_operands): Set new operands by calling finalize
12754         routines.
12755         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
12756         (append_def, append_usei): Simplify to simple accumulation.
12757         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
12758         duplicates and simple accumulation.
12759         (free_ssa_operands): Free vectors in a stmt_operand structure.
12760         (build_ssa_operands): New. Create a new stmt_operand structure from
12761         a stmt and an old set of stmt_operands.
12762         (get_stmt_operands): Simplify and call build_ssa_operands.
12763         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
12764         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
12765         add_call_read_ops): Don't pass prev_vops around anymore.
12766         (note_addressable): Return if no stmt annotation.
12767         (copy_virtual_operands): Access v_may_def operands through a struct.
12768         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
12769         hash tables without treating the stmt as a real stmt.
12770         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
12771         v_may_def def and use through a struct instead of 2 array elements.
12772         (struct v_may_def_optype_d): Use v_may_def_operand_type.
12773         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
12774
12775 2004-08-11  Nick Clifton  <nickc@redhat.com>
12776
12777         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
12778         this funciton's behaviour.  Return true when the current function
12779         has a section attribute and -mlong-calls is in effect.
12780         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
12781         short-call marker when -mlong-calls is in effect and the function
12782         has a section attribute.
12783
12784 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
12785
12786         * stmt.c (expand_return): If asked to return the RESULT_DECL,
12787         just call expand_value_return on result_rtl.
12788
12789 2004-08-10  Richard Henderson  <rth@redhat.com>
12790
12791         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
12792         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
12793         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
12794         (add_location_or_const_value_attribute): ... not here.  Use
12795         loc_descriptor_from_tree if possible.
12796         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
12797         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
12798         values specially.
12799         (loc_descriptor_from_tree): New.  Update callers.
12800         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
12801         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
12802         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
12803         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
12804         and BUILT_IN_STACK_RESTORE.
12805         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
12806         * stmt.c (expand_stack_alloc): Remove.
12807         * tree-mudflap.c (mx_register_decls): Don't look for
12808         BUILT_IN_STACK_ALLOC.
12809         * tree-nested.c (convert_local_reference): Likewise.
12810         * tree.h (DECL_VALUE_EXPR): New.
12811
12812 2004-08-10  Richard Henderson  <rth@redhat.com>
12813
12814         * stor-layout.c (round_up): Check for 0/1 before dividing.
12815         (round_down): Likewise.
12816
12817         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
12818
12819 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
12820
12821         * config.gcc (arm*-*-eabi*): New target.
12822         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
12823         (TARGET_LIB_INT_CMP_BIASED): Likewise.
12824         * expmed.c (expand_divmod): Try a two-valued divmod function as a
12825         last resort.
12826         * gthr.h: Remove bogus tokens at end of #pragma.
12827         * optabs.c (expand_twoval_binop_libfunc): New function.
12828         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
12829         (prepare_float_lib_cmp): Try reversing the condition.
12830         (debug_optab_libfuncs): New function.
12831         * optabs.h (expand_twoval_binop_libfunc): Declare.
12832         * config/arm/arm.c (arm_init_libfuncs): New function.
12833         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
12834         (TARGET_INIT_LIBFUNCS): Define it.
12835         * config/arm/arm.h (TARGET_BPABI): New macro.
12836         * config/arm/arm-protos.h
12837         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
12838         * config/arm/bpabi.S: New file.
12839         * config/arm/bpabi.c: Likewise.
12840         * config/arm/bpabi.h: Likewise.
12841         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
12842         (__aeabi_drsub): Likewise.
12843         (__aeabi_dsub): Likewise.
12844         (__aeabi_dadd): Likewise.
12845         (__aeabi_ui2d): Likewise.
12846         (__aeabi_i2d): Likewise.
12847         (__aeabi_f2d): Likewise.
12848         (__aeabi_dmul): Likewise.
12849         (__aeabi_ddiv): Likewise.
12850         (__aeabi_cdrcmple): Likewise.
12851         (__aeabi_cdcmpeq): Likewise.
12852         (__aeabi_cdcmple): Likewise.
12853         (__aeabi_dcmpeq): Likewise.
12854         (__aeabi_dcmplt): Likewise.
12855         (__aeabi_dcmple): Likewise.
12856         (__aeabi_dcmpge): Likewise.
12857         (__aeabi_dcmpgt): Likewise.
12858         (__aeabi_dcmpun): Likewise.
12859         (__aeabi_d2iz): Likewise.
12860         (__aeabi_d2uiz): Likewise.
12861         (__aeabi_d2f): Likewise.
12862         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
12863         (__aeabi_frsub): Likewise.
12864         (__aeabi_fsub): Likewise.
12865         (__aeabi_fadd): Likewise.
12866         (__aeabi_ui2f): Likewise.
12867         (__aeabi_i2f): Likewise.
12868         (__aeabi_fmul): Likewise.
12869         (__aeabi_fdiv): Likewise.
12870         (__aeabi_cfrcmple): Likewise.
12871         (__aeabi_cfcmpeq): Likewise.
12872         (__aeabi_cfcmple): Likewise.
12873         (__aeabi_fcmpeq): Likewise.
12874         (__aeabi_fcmplt): Likewise.
12875         (__aeabi_fcmple): Likewise.
12876         (__aeabi_fcmpge): Likewise.
12877         (__aeabi_fcmpgt): Likewise.
12878         (__aeabi_fcmpun): Likewise.
12879         (__aeabi_f2iz): Likewise.
12880         (__aeabi_f2uiz): Likewise.
12881         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
12882         (__aeabi_uidivmod): New function or alias.
12883         (__aeabi_idivmod): Likewise.
12884         (__aeabi_idiv0): Likewise.
12885         (__aeabi_ldiv0): Likewise.
12886         (__aeabi_llsr): Likewise.
12887         (__aeabi_lasr): Likewise.
12888         (__aeabi_llsl): Likewise.
12889         (bpabi.S): Include it.
12890         * config/arm/libgcc-bpabi.ver: New file.
12891         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
12892         (LINK_SPEC): Remove.
12893         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
12894         __aeabi_ulcmp.
12895         * config/arm/t-bpabi: New file.
12896         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
12897         (TARGET_LIB_INT_CMP_BIASED): Likewise.
12898
12899 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
12900
12901         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
12902         * config/rs6000/rs6000.md (clrmemsi): New pattern.
12903         * config/rs6000/rs6000.c (expand_block_clear): New function.
12904         (expand_block_move): Convert alignment to bits.  Use SImode and
12905         HImode for unaligned addresses if not STRICT_ALIGNMENT.
12906
12907 2004-08-10  Caroline Tice  <ctice@apple.com>
12908
12909         * varasm.c (unlikely_section_label): New global variable.
12910         (unlikely_text_section_name): New global variable.
12911         (text_section):  Remove alignment statement.
12912         (unlikely_text_section): Remove alignment statement; use
12913         unlikely_section_label rather than hard-coded string.
12914         (assemble_start_function): Initialize unlikely_section_label and
12915         unlikely_text_section_name;  make sure cold section is properly
12916         aligned at start of function; output unlikely_section_label if
12917         appropriate.
12918
12919 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
12920
12921         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
12922         * config/s390/s390.c (s390_canonicalize_comparison): New function.
12923         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
12924         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
12925         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
12926         ("*tmqi_mem"): Remove SUBREG from pattern.
12927         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
12928         ("*andsi3_cconly"): Likewise.
12929
12930 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
12931
12932         PR target/16909
12933         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
12934
12935 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
12936
12937         * doc/sourcebuild.texi (compat testing): Document available test
12938         framework commands.  Use the preferred spelling of DejaGnu.
12939
12940 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
12941
12942         * lambda.h: Add matrix type, and prototypes for remainder of
12943         matrix and vector functions.
12944         (lambda_vector_mult_const): New function.
12945         (lambda_vector_negate): Ditto.
12946         (lambda_vector_add): Ditto.
12947         (lambda_vector_add_mc): Ditto.
12948         (lambda_vector_copy): Ditto.
12949         (lambda_vector_zerop): Ditto.
12950         (lambda_vector_equal): Ditto.
12951         (lambda_vector_min_nz): Ditto.
12952         (lambda_vector_first_nz): Ditto.
12953         (lambda_vector_matrix_mult): Ditto.
12954         * lambda-mat.c: New file.
12955         * Makefile.in (lambda-mat.o): New.
12956
12957 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
12958
12959         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
12960         after linking stmt into the program.
12961         (bsi_remove): Don't call modify_stmt.
12962         * tree-complex.c (update_complex_assignment,
12963         expand_complex_comparison): Call modify_stmt after changing the stmt.
12964         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
12965         removing the stmt.
12966         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
12967         the stmt, and only if needed.
12968         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
12969         expression.
12970         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
12971         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
12972         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
12973         (eliminate_redundant_computations): Don't pass an annotation. Call
12974         modify_stmt rather than setting the annotation directly.
12975         (record_equivalences_from_stmt): Remove unused local 'j'.
12976         (cprop_operand): Take a stmt rather than an annotation as a parameter.
12977         Call modify_stmt.
12978         (cprop_into_stmt): Pass stmt rather than annotation.
12979         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
12980         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
12981         modify_stmt.
12982         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
12983
12984 2004-08-10  Jason Merrill  <jason@redhat.com>
12985
12986         PR middle-end/16948
12987         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
12988         the RESULT_DECL.
12989
12990 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
12991
12992         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
12993         hash function.
12994
12995 2004-08-10  Roger Sayle  <roger@eyesopen.com>
12996
12997         * config/mips/mips.md: New reciprocal square root patterns that
12998         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
12999
13000 2004-08-10  Paul Brook  <paul@codesourcery.com>
13001
13002         * config/arm/arm-protos.h (arm_set_return_address,
13003         thumb_set_return_address): Add prototypes.
13004         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
13005         * config/arm/arm.c (arm_compute_func_type,
13006         use_return_insn, arm_compute_save_reg0_reg12_mask,
13007         arm_compute_save_reg_mask, arm_output_function_prologue,
13008         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
13009         current_function_calls_eh_return.
13010         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
13011         old eh code.
13012         (arm_set_return_address, thumb_set_return_address): New functions.
13013         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
13014         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
13015         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
13016         (epilogue): Use the stackadj register.
13017         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
13018
13019 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
13020
13021         PR target/3144
13022         * expr.c (move_by_pieces_ninsns): Add max_size argument.
13023         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
13024         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
13025         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
13026         but using MOVE_RATIO.
13027         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
13028         (can_store_by_pieces): Change max_size type to unsigned int.
13029         (store_by_pieces_1): Likewise.  Pass max_size to
13030         move_by_pieces_ninsns.
13031         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
13032         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
13033         to move_by_pieces_ninsns.
13034         (STORE_BY_PIECES_P): Define.
13035         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
13036         to move_by_pieces_ninsns.
13037         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
13038
13039         * config/i386/i386.h (CLEAR_RATIO): Define.
13040
13041 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13042
13043         * expr.c (expand_expr_real_1): Add back code that was not dead.
13044
13045 2004-08-09  Andrew Pinski  <apinski@apple.com>
13046
13047         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
13048         which is found to be compatible before returning the aliasing set.
13049
13050 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
13051
13052         * ggc-zone.c (struct alloc_zone): Add statistics counters.
13053         (always_collect): New flag.
13054         (ggc_alloc_zone_1): Update statistics support.  Don't include
13055         overhead in allocated counter.
13056         (sweep_pages): Update allocated counter for large pages.  Don'y
13057         include overhead.
13058         (ggc_collect_1): Always collect.
13059         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
13060         whether to collect.
13061         (SCALE, LABEL): New macros.
13062         (ggc_print_statistics): Add statistics support.
13063
13064 2004-08-09  Roger Sayle  <roger@eyesopen.com>
13065
13066         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
13067         (init_expmed): Fix potential overrun problem with "all.reg".
13068         (expand_sdiv2_pow2): Add an alternate implementation for signed
13069         division, if the target provides a suitable conditional move insn.
13070
13071 2004-08-09  Paul Brook  <paul@codesourcery.com>
13072         Richard Henderson  <rth@redhat.com>
13073
13074         * unwind-dw2.c (uw_install_context_1): Update target saved stack
13075         pointer.
13076
13077 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
13078
13079         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
13080         Check DATA limit only if there's no AS limit.  Ignore insanely
13081         low DATA limits.
13082         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
13083         but take care that the AS limit isn't overrun.
13084         * doc/invoke.texi: Update documentation of min-heapsize parameter.
13085
13086 2004-08-09  Jeff Law  <law@redhat.com>
13087
13088         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
13089         (tree-ssa-threadupdate.o): Add dependencies.
13090         * tree-ssa-threadupdate.c: New file.
13091         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
13092         (rewrite_vars_out_of_ssa): Remove prototype.
13093         (cleanup_tree_cfg): Returns a bool.
13094         * tree.h (thread_through_all_blocks): Prototype.
13095         * tree-outof-ssa.c  (SSANORM_*): Move into here.
13096         (remove_ssa_form): Now static.
13097         (rewrite_vars_out_of_ssa): Kill.
13098         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
13099         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
13100         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
13101         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
13102         anything was changed.
13103         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
13104         from the PHI's annotation rather than the edge associated with
13105         the new argument.
13106         * tree-ssa-dom.c (redirection_edges): Kill.
13107         (redirect_edges_and_update_ssa_graph): Kill.
13108         (tree_ssa_dominator_optimize): Do not reset forwardable flag
13109         for blocks anymore.  Do not initialize redirection_edges.
13110         Call thread_through_all_blocks.  Simplify code for cleanup
13111         of the CFG and iterating.  No longer call cleanup_tree_cfg
13112         outside the iteration loop.
13113         (thread_across_edge): No longer mess with forwardable blocks.
13114
13115 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
13116
13117         * explow.c (memory_address): Use memory_address_p.
13118         * recog.c (general_operand): Likewise.
13119         * regrename.c: No need to define REG_OK_STRICT.
13120
13121 2004-08-09  Steven Bosscher  <stevenb@suse.de>
13122
13123         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
13124         New timers.
13125         * gcse.c: Include timevar.h.
13126         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
13127         and global_copy_prop_count.
13128         (local_const_prop_count, local_copy_prop_count): New static globals.
13129         (gcse_main): Set the right timevar for each pass.
13130         (cprop_jump): Increment global_const_prop_count when a constant is
13131         propagated.  Add "GLOBAL" to dump output.
13132         (cprop_insn): Increment global_const_prop_count when a constant is
13133         propagated, or global_copy_prop_count when a copy is propagated.
13134         (do_local_cprop): Likewise for local_const_prop_count and
13135         local_copy_prop_count.
13136         (one_cprop_pass): Initialize const/cprop counters to zero.
13137         Print out results of local and global const/cprop separately.
13138         (bypass_block): Break over-length line.
13139         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
13140         for bb-reorder.o and tracer.o.
13141
13142 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13143
13144         * Makefile.in (GTFILES): Remove stmt.c
13145         (stmt.o): Do not depend on gt-stmt.h.
13146         * emit-rtl.c (emit_line_note): Do not call
13147         set_file_and_line_for_stmt.
13148         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
13149         do everything.
13150         * function.c (free_after_parsing): Do not free STMT field.
13151         (allocate_struct_function): Do not call init_stmt_for_function.
13152         (assign_stack_temp_for_type): Do not accept values of keep
13153         other than 0 or 1.
13154         (init_temp_slots): Do not initialize removed variables.
13155         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
13156         and X_VAR_TEMP_SLOT_LEVEL fields.
13157         * rtl.h (set_file_and_line_for_stmt): Remove.
13158         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
13159         struct stmt_status, cond_stack, case_stack, nesting_stack,
13160         nesting_depth, emit_locus, set_file_and_line_for_stmt,
13161         same_case_target_p, init_stmt_for_function, emit_nop,
13162         expand_start_cond, expand_start_elseif, expand_start_else,
13163         expand_elseif, expand_end_cond): Remove.
13164         (preserve_subexpressions_p): Remove references to CFUN->STMT.
13165         (expand_start_case, expand_end_case_type): Remove, merge into...
13166         (expand_case): ... this one, including other bits from
13167         expand_expr_real_1.  Inline same_case_target_p.  Turn members
13168         of CASE_STACK into local variables.
13169         (emit_case_bit_tests): Inline same_case_target_p.
13170         (add_case_node): Add HEAD argument, return new head of the list,
13171         do not handle default label here.
13172         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
13173         expand_start_elseif, current_nesting_level, expand_start_case,
13174         expand_end_case_type, expand_end_case, add_case_node,
13175         init_stmt_for_function, expand_elseif): Remove prototypes.
13176         (expand_case): Add prototype.
13177
13178 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13179
13180         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
13181
13182 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
13183
13184         * expr.c (var_rtx): Remove.
13185         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
13186         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
13187         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
13188         Abort.
13189         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
13190         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
13191         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
13192
13193 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
13194         Ayal Zaks <zaks@il.ibm.com>
13195
13196         * common.opt (freschedule-modulo-scheduled-loops): New flag.
13197         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
13198         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
13199         when -freschedule-modulo-scheduled-loops flag is not specified.
13200         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
13201         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
13202         More accurate placing of insn in row of partial schedule.
13203         (ps_insn_find_column): New function.
13204         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
13205         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
13206         (schedule_region): Use sched_is_disabled_for_current_region_p.
13207         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
13208
13209 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
13210
13211         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
13212         change.
13213
13214 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
13215
13216         * config/i386/i386.c (ix86_expand_clrmem): Properly call
13217         gen_strset for 64bit target.
13218
13219 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
13220
13221         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
13222
13223 2004-08-07  Jason Merrill  <jason@redhat.com>
13224
13225         Make return in memory explicit.
13226         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
13227         (assign_parm_find_data_types): Remove code for old front end
13228         invisible reference handling.
13229         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
13230         (expand_function_end): Likewise.
13231         * gimplify.c (gimplify_return_expr): Handle a dereferenced
13232         RESULT_DECL.
13233         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
13234         (declare_return_variable): Handle DECL_BY_REFERENCE.
13235         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
13236         (cp_genericize_r): Use convert_from_reference.
13237         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
13238         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
13239
13240         * c-common.c (c_warn_unused_result): Check TREE_USED before
13241         warning about a CALL_EXPR with an unused value.
13242
13243 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
13244
13245         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
13246         to the compiler.  Use -fshort-wchar by default.
13247
13248 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
13249
13250         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
13251         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
13252         threshhold.
13253         * doc/invoke.texi (param): Document min-crossjump-insns.
13254
13255 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
13256
13257         PR c/13282
13258         * c.opt (Wmissing-field-initializers): New option.
13259         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
13260         * c-typeck.c (pop_init_level): Guard the missing field warning with
13261         warn_missing_field_initializers rather than extra_warnings.
13262         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
13263         some of the explanation from...
13264         (-Wextra): ...here.  Say that the missing field warning can be
13265         seperately controlled by -Wmissing-field-initializers.
13266
13267 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
13268
13269         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
13270         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
13271         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
13272         * tree.def (ENTRY_VALUE_EXPR): Remove.
13273
13274 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
13275
13276         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
13277         the places where it is actually needed.  Don't use repz; stosb
13278         for -Os with sufficiently small constant sizes.
13279         For sufficiently small repz; stos{l,q} repeat counts use a sequence
13280         of stos{l,q} instructions instead.
13281
13282 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13283
13284         PR tree-optimization/16807
13285         * loop-iv.c (dump_iv_info): Dump invariants correctly.
13286         (iv_subreg, iv_extend): Express value of invariant purely in
13287         base field.
13288
13289 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
13290
13291         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
13292         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
13293
13294 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
13295
13296         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
13297         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
13298         pre_dec_operand.
13299         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
13300         pattern until reload is finished to allow better code generation
13301         and split them completely into separate instrunctions.
13302         (*andsi3_split): New pattern.
13303
13304 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
13305
13306         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
13307         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
13308         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
13309         * tree.h (handle_dll_attribute): Declare.  Test
13310         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
13311         * c-common.h (c_determine_visibility): Declare.
13312         * c-common.c (c_determine_visibility): New function.
13313         * c-decl.c (finish_decl): Use it.
13314         (finish_function): Likewise.
13315         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
13316         zero, by default.  Use #if, not #ifdef, to test it.
13317         * config/arm/arm.c (arm_attribute_table): Use
13318         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
13319         #if.
13320         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
13321         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
13322         to 1.
13323         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
13324         * config/i386/i386.c (ix86_attribute_table): Use
13325         handle_dll_attribute for dllimport/dllexport.  Test
13326         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
13327         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
13328         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
13329         it to 1.
13330         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
13331         with #if.
13332         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
13333         it to 1.
13334         * doc/extend.texi (dllexport): Clarify and correct documentation.
13335         (dllimport): Likewise.
13336         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
13337         handle_dll_attribute.
13338
13339 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13340
13341         * tree-ssa-loop-manip.c: New file.
13342         * Makefile.in (tree-ssa-loop-manip.o): Add.
13343         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
13344         Declare.
13345         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
13346         form.
13347         (tree_ssa_loop_done): Verify loop closed ssa form.
13348         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
13349
13350 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13351
13352         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
13353         pa_asm_output_aligned_local): New functions.
13354         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
13355         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
13356         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
13357         pa_asm_output_aligned_common.
13358         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
13359         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
13360         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
13361         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
13362         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
13363         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
13364         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
13365         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
13366         common data.
13367
13368 2004-08-05  Andrew Pinski  <apinski@apple.com>
13369
13370         * objc/objc-act.c (build_objc_string_object): Mark the address
13371         expression as constant.
13372
13373 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
13374
13375         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
13376         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
13377         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
13378
13379 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
13380
13381         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
13382         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
13383         out, and associated obsolete comments.
13384
13385 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
13386
13387         * tree.h (force_fit_type): Return a tree, take three flags.
13388         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
13389         TREE_CONSTANT_OVERFLOW here.
13390         (int_const_binop, const_binop): Adjust.
13391         (size_int_type): Do sign extension here.
13392         (fold_convert_const, optimize_bit_field_compare,
13393         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
13394         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
13395         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
13396
13397 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13398
13399         PR tree-optimization/16864
13400         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
13401         for ssa names without default_def.
13402
13403 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
13404
13405         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
13406         frame pointer, restore eax with an ebp-relative address.
13407
13408 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
13409
13410         PR 14516
13411         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
13412         * c-common.h (make_rtl_for_local_static): Delete.
13413         * c-decl.c (shadow_tag_warned): Clean up comment.
13414         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
13415         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
13416         * c-semantics.c (make_rtl_for_local_static): Delete.
13417         * expr.c (init_block_move_fn): Use set_user_assembler_name.
13418         (init_block_clear_fn): Likewise.
13419         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
13420         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
13421         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
13422         * tree.h (make_decl_rtl): Remove second parameter.
13423         (set_user_assembler_name): New.
13424         * varasm.c (set_user_assembler_name): New.
13425         (make_decl_rtl): Remove second parameter.  Update callers in many
13426         files.
13427
13428 2004-08-05  Adam Nemet  <anemet@lnxw.com>
13429
13430         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
13431         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
13432         to LynxOS 4.0.
13433         * gthr-lynx.h: New file.
13434         * config/lynx-ng.h: Remove file.
13435         * config/lynx.h: Update to LynxOS 4.0.
13436         * config/t-lynx: New file.
13437         * config/i386/lynx-ng.h: Remove file.
13438         * config/i386/lynx.h: Update to LynxOS 4.0.
13439         * config/rs6000/lynxbase.h: Remove file.
13440         * config/rs6000/lynx.h: Update to LynxOS 4.0.
13441         * config/rs6000/t-lynx: New file.
13442         * doc/install.texi (Options specification): Remove reference to
13443         LynxOS from systems where --with-gnu-as makes a difference.
13444
13445 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
13446
13447         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
13448         __UINTMAX_TYPE__.
13449         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
13450         __INTMAX_MAX__.
13451         (c_cpp_builtins): Call it.
13452         * doc/cpp.texi: Update.
13453
13454 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
13455
13456         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
13457         cost.
13458
13459 2004-08-04  Jan Hubicka  <jh@suse.cz>
13460
13461         * basic-block.h (profile_staus): New global variable.
13462         * cfg.c (profile_status): Declare.
13463         (check_bb_profile): Break out from ....; use profile_status
13464         (dump_flow_info): ... here.
13465         * cfgbuild.c (find_basic_blocks): Set profile_status.
13466         * cfgexpand.c (tree_expand_cfg): Likewise.
13467         * predict.c (estimate_probability): Likewise.
13468         * profile.c (branch_prob): Likewise.
13469         * tree-cfg.c (build_tree_cfg): Likewise.
13470         (dump_function_to_file): Use check_bb_profile.
13471         * tree-pretty-print (dump_bb_header): Likewise.
13472         * tree-profile.c (do_tree_profiling): Cleanup.
13473
13474 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
13475
13476         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
13477         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
13478         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
13479         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
13480         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
13481         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
13482         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
13483         (ggc-none.o, errors.o): Move rule to generators section;
13484         correct dependencies.
13485         (min-insn-modes.o): Move rule to generators section; remove
13486         unnecessary explicit command; correct dependencies.
13487         (print-rtl.o, print-rtl1.o): Correct dependencies.
13488         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
13489         (mostlyclean): Update.
13490
13491         * errors.c: Include bconfig.h not config.h.  Correct comment.
13492         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
13493         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
13494         * print-rtl.c: Don't include tm_p.h.
13495
13496         * rtl.h: Move forward-decl of struct function down where it's
13497         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
13498         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
13499
13500 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13501             Jeff Law  <law@redhat.com>
13502
13503         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
13504         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
13505         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
13506         manipulate the duplicated ssa names.
13507         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
13508         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
13509         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
13510         New functions.
13511         (release_ssa_name): Do not release ssa names that may have multiple
13512         definitions.
13513         * tree.h (release_ssa_name_force, mark_for_rewrite,
13514         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
13515         marked_ssa_names): Declare.
13516         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
13517         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
13518         Update call to rewrite_ssa_into_ssa.
13519
13520 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
13521
13522         * defaults.h (TARGET_DECLSPEC): New macro.
13523         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
13524         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
13525         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
13526         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
13527         __declspec support.
13528         (TARGET_DECLSPEC): Define.
13529         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
13530         __declspec support.
13531         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
13532         __declspec support.
13533         (TARGET_DECLSPEC): Define.
13534         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
13535         __declspec support.
13536         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
13537         support.
13538         * doc/tm.texi (TARGET_DECLSPEC): Document.
13539
13540         * doc/extend.texi: Fix typo in comment.
13541
13542 2004-08-04  Paul Brook  <paul@codesourcery.com>
13543
13544         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
13545         (TARGET_CXX): Use it.
13546         * target.h (struct gcc_target): Add cdtor_returns_this.
13547         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
13548         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
13549         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
13550
13551 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
13552
13553         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
13554         low/high pair. Do range checking directly.
13555         (interpret_integer): Adjust.
13556
13557 2004-08-04  Nick Clifton  <nickc@redhat.com>
13558
13559         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
13560         GCC ABI.
13561         * doc/invoke.texi: Document this new switch and also the -mrenesas
13562         switch.
13563
13564 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
13565
13566         * cfglayout.c (insn_locators_initialize): Update the current
13567         location before initializing a location.
13568
13569 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13570
13571         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
13572         (dbxout_function_end): Return after emitting the "Lscope" symbol
13573         under the same conditions that this function formerly wasn't called.
13574         Add explanatory comments.
13575
13576         PR 14860
13577         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
13578         on the new decl.
13579
13580         PR 13956
13581         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
13582         functions, broken out of dbxout_block.
13583         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
13584         stabs too, if it contains symbols.  Use the begin_label and
13585         the Lscope label (emitted by dbxout_function_end) for the
13586         range of this block.
13587
13588 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
13589
13590         * doc/install.texi: Update autoconf version requirements.
13591
13592 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13593
13594         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
13595         * recog.c (general_operand, immediate_operand, nonmemory_operand)
13596         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
13597         * regclass.c (record_reg_classes): Likewise.
13598         * reload.c (find_reloads): Likewise.
13599         * reload1.c (reload): Likewise.
13600
13601 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13602
13603         * gensupport.c (init_md_reader_args_cb): Renamed from
13604         init_md_reader_args.  Add third option, callback function for
13605         parsing program-specific options.  Add diagnosis of incorrect
13606         number of input files.
13607         (init_md_reader): Fold into init_md_reader_args_cb.
13608         (init_md_reader_args): Now a thin wrapper around
13609         init_md_reader_args_cb.
13610         * gensupport.h: Update prototypes.
13611
13612         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13613         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13614         * genrecog.c: No need to diagnose lack of an input file;
13615         init_md_reader_args will handle it.
13616         * genconditions.c: Likewise, and use init_md_reader_args.
13617         * genconstants.c: Likewise, and no need to call read_md_rtx.
13618
13619 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
13620
13621         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
13622         declarations.
13623
13624 2004-08-03  Mike Stump  <mrs@apple.com>
13625
13626         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
13627         for frameworks.
13628         * doc/invoke.texi (Darwin Options): Update to reflect above.
13629
13630 2004-08-03  Roger Sayle  <roger@eyesopen.com>
13631
13632         PR middle-end/16790
13633         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
13634         truncations, not just global truncations.
13635
13636 2004-08-03  Andrew Pinski  <apinski@apple.com>
13637
13638         PR bootstrap/16865
13639         * loop-iv.c (simplify_using_assignment): Initialize lhs.
13640
13641 2004-08-03  Paul Brook  <paul@codesourcery.com>
13642
13643         * gcc/doc/install.texi: Document MPFR requirement.
13644
13645 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
13646
13647         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
13648         and mmap() explicitly instead of relying on preset autoconf cache
13649         variables.
13650         * configure: Regenerate.
13651
13652 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
13653
13654         PR target/16570
13655         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
13656         to tmake_file.
13657         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
13658         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
13659         to tmake_file.
13660
13661         * config/i386/t-gmm_malloc: New file.
13662         * config/i386/t-pmm_malloc: Likewise.
13663
13664         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
13665
13666 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
13667             Tanguy Fautrà <tfautre@pandora.be>
13668
13669         * config/i386/pmm_malloc.h: New file.
13670
13671 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
13672
13673         * config/i386/gmm_malloc.h: New file.
13674
13675 2004-08-03  Dale Johannesen  <dalej@apple.com>
13676
13677         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
13678         * c-common.c: Include opts.h.
13679         (c_common_get_alias_set): Fix check for a single input file.
13680         * toplev.c: Remove current_file_decl.
13681         * tree.h: Ditto.
13682
13683 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
13684
13685         * config.gcc (arm*-*-symbianelf*): New target.
13686         * config/arm/symbian.h: New file.
13687
13688         * gthr-gnat.c: Add visibility #pragmas.
13689         * gthr-gnat.h : Likewise.
13690         * gthr.h: Likewise.
13691         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
13692         (__ffsDI2): Likewise.
13693         (__clzSI2): Likewise.
13694         (__ctzSI2): Likewise.
13695         (__ctzDI2): Likewise.
13696         (__popcountSI2): Likewise.
13697         (__popcountDI2): Likewise.
13698         (__paritySI2): Likewise.
13699         (__parityDI2): Likewise.
13700         * libgcc2.h: Add visibility #pragmas.
13701         (__clzDI2): Add prototype.
13702         (__clzSI2): Likewise.
13703         (__ctzSI2): Likewise.
13704         (__ffsDI2): Likewise.
13705         (__ffsSI2): Likewise.
13706         (__ctzDI2): Likewise.
13707         (__popcountSI2): Likewise.
13708         (__popcountDI2): Likewise.
13709         (__paritySI2): Likewise.
13710         (__parityDI2): Likewise.
13711         * unwind-dw2-fde.h: Add visibility #pragmas.
13712         * unwind.h: Likewise.
13713
13714 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
13715             Dale Johannesen  <dalej@apple.com>
13716             Roger Sayle  <roger@eyesopen.com>
13717
13718         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
13719         constants more accurately.  Adjust costs for FMA instructions.
13720         Add cases for most logical and float operations.  Recurse into
13721         most operands.
13722
13723 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
13724
13725         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
13726
13727 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
13728
13729         * ra-build.c (conflicts_between_webs): For webs that cross a call add
13730         conflicts to regs_invalidated_by_call.
13731
13732 2004-08-03  Paul Brook  <paul@codesourcery.com>
13733
13734         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
13735
13736 2004-08-03  Jan Hubicka  <jh@suse.cz>
13737
13738         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
13739         ARRAY_REF argument.
13740
13741 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
13742
13743         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
13744         arm968es, arm10e, arm1020e, arm1022e.
13745         * invoke.texi: Update list of ARM cores.
13746         * arm-tune.md: Regenerate.
13747
13748 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
13749
13750         * arm/gentune.sh: New file.
13751         * arm/t-arm: New file.
13752         * arm/arm-tune.md: New file (autogenerated).
13753         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
13754         * arm.md (attribute tune): Delete.  Include arm-tune.md.
13755
13756 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
13757
13758         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
13759         penultimate parameter.  All callers adjusted.
13760         (struct prefix_list): Remove used_flag_ptr.
13761         (find_a_file): Do not set *pl->used_flag_ptr.
13762         (warn_B, warn_std_ptr): Remove.
13763
13764 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
13765             Mostafa Hagog <mustafa@il.ibm.com>
13766
13767         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
13768
13769 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
13770
13771         * dwarf2out.c (output_call_frame_info): Don't change data format
13772         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
13773         label.  Use 'true' not '1'.
13774         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
13775         required.
13776
13777 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13778
13779         * gdbinit.in: Reflect previous changes to rtunion_def.
13780
13781 2004-08-02  Roger Sayle  <roger@eyesopen.com>
13782
13783         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
13784         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
13785
13786 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13787
13788         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
13789         vec_p_reserve.
13790         * langhooks.h (lang_hooks::builtin_function): Rename parameter
13791         from "class" to "bt_class".
13792
13793 2004-08-02  Paul Brook  <paul@codesourcery.com>
13794
13795         PR rtl-optimization/15068
13796         * flow.c (init_propagate_block_info): Check condition is reversible.
13797
13798 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13799
13800         * gengtype.h (options::info): Change type to const char *.
13801         (enum gc_used_enum): Move out of struct type scope.
13802         * gengtype.c (create_option): Convert initializer for option::info to
13803         appropiate type.
13804         (adjust_field_type, walk_type, write_func_for_structure,
13805         write_root, write_roots): Remove pointless cast.
13806
13807 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
13808
13809         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
13810
13811 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13812
13813         * rtl.h (union rtunion_def): Have all members  start with the
13814         prefix "rt_".
13815         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
13816         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13817         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
13818         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
13819         access.
13820         * gengtype.c (adjust_field_rtx_def): Likewise.
13821         * rtlanal.c (loc_mentioned_in_p): Likewise.
13822
13823 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
13824
13825         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
13826         Replace uses of mips/elf64.h with mips/elf.h
13827         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
13828         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
13829         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
13830         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
13831         (HANDLE_SYSV_PRAGMA): Delete.
13832         (ASM_OUTPUT_DEF): Fix formatting.
13833         * config/mips/elf64.h: Delete.
13834
13835 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
13836
13837         * config/ia64/ia64.c (got_symbolic_operand): Do require a
13838         symbol+offset operand to have its offset be zero mod 0x3fff
13839         when GOT entries are in use.  Clarify logic in SYMBOL_REF
13840         case.  Clarify comments.
13841         (ia64_expand_load_address): Split a symbol+offset load when
13842         the offset is nonzero mod 0x3fff, not 0x1fff.
13843
13844 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
13845
13846         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
13847         if trying to *store* to a non-offsettable address.
13848         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
13849         a nonoffsettable address.
13850         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
13851         Clean up.
13852         (movti_string): Don't move GPRs to a nonoffsettable address.
13853         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
13854
13855 2004-08-02  Ben Elliston  <bje@au.ibm.com>
13856
13857         PR target/16155
13858         * config/rs6000/altivec.h: Replace typeof with __typeof__.
13859
13860 2004-08-01  Richard Henderson  <rth@redhat.com>
13861
13862         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
13863         variable sized types.
13864
13865 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
13866
13867         * doc/invoke.texi: In the MIPS options section, remove the passage
13868         saying that -mexplicit-relocs is usually disabled for -mabicalls
13869         -fno-unit-at-a-time.
13870         * config/mips/mips.c (override_options): Remove the code that enforced
13871         this rule.
13872
13873 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
13874
13875         * config/mips/mips.md (cprestore): Provide two alternatives, one for
13876         an in-range offset and one for an out-of-range offset.  Wrap the latter
13877         in .set macro/.set nomacro if it's inside a .set nomacro block.
13878
13879 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
13880
13881         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
13882         (mips_restore_gp): Declare.
13883         * config/mips/mips.c (mips_add_offset): Add a scratch register
13884         argument.  Reimplement in rtl only, reusing MIPS16 logic from
13885         mips_output_mi_thunk.
13886         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
13887         to mips_add_offset.
13888         (mips_gp_save_slot): Delete.
13889         (mips_restore_gp): New function.
13890         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
13891         * config/mips/mips.md (exception_receiver): Turn into a
13892         define_insn_and_split.  Use mips_restore_gp to do the split.
13893         (call_internal, call_value_internal, call_value_multiple_internal): Use
13894         mips_restore_gp to restore $gp.
13895
13896 2004-07-31  Andrew Pinski  <apinski@apple.com>
13897
13898         PR other/16842
13899         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
13900
13901 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
13902
13903         * c-decl.c (diagnose_mismatched_decls): Give error for external
13904         redeclaration of identifier declared with no linkage, not just
13905         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
13906         error for redeclaration with no linkage.
13907
13908 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
13909             Fariborz Jahanian <fjahanian@apple.com>
13910
13911         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
13912         non-offsettable addresses even for DImode.
13913         (rs6000_split_multireg_move): Cope with non-offsettable addresses
13914         being moved into multiple GPRs.
13915
13916         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
13917         to 64.
13918         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
13919         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
13920         to 128.
13921         * config/rs6000/darwin-ldouble.c (isless): New macro.
13922         (inf): New macro.
13923         (nonfinite): New macro.
13924         (FPKINF): Delete.
13925         (_xlqadd): Completely rewrite.
13926         (_xlqmul): Correct overflow handling.
13927         (_xlqdiv): Correct overflow handling.
13928         * config/rs6000/darwin-ldouble-format: New file.
13929
13930 2004-07-30  Roger Sayle  <roger@eyesopen.com>
13931             Richard Henderson  <rth@redhat.com>
13932
13933         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
13934         9 into the equivalent lea instruction.
13935
13936 2004-07-30  Richard Henderson  <rth@redhat.com>
13937
13938         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
13939         with DECL_INITIAL if fb_lvalue.
13940         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
13941         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
13942         with <Cxxx>.
13943         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
13944
13945 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
13946
13947         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
13948         pointer escapes through a function call, assume that the
13949         callee will dereference it.
13950         (add_pointed_to_var): Assume that VALUE is always an
13951         ADDR_EXPR.
13952         (collect_points_to_info_r): Only call add_pointed_to_var if
13953         the value is an ADDR_EXPR.
13954
13955 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
13956
13957         * tree-ssa-alias.c (create_alias_map_for): Do not get the
13958         alias set of the inner type of ARRAY_TYPEs.
13959
13960 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
13961
13962         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
13963         setting a non-register to UNDEFINED right before the call to
13964         set_lattice_value.
13965
13966 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
13967
13968         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
13969
13970 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
13971
13972         * tree-ssa.c (verify_flow_sensitive_alias_info): When
13973         comparing points-to sets of different pointers, make sure the
13974         second pointer is actually referenced in the code.
13975
13976 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
13977
13978         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
13979         (got_symbolic_operand): Remove unreachable code.
13980         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
13981         setjmp_operand; add entry for tls_symbolic_operand.
13982         * config/ia64/ia64-protos.h: Remove all prototypes of
13983         predicate functions.
13984
13985 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
13986
13987         * c-common.h (lang_post_pch_load): New variable.
13988         * c-pch.c (lang_post_pch_load): Define it.
13989         (c_common_read_pch): Use it.
13990         * cgraphunit.c (record_call_1): Give the front end a chance to
13991         record additional needed entities when a variable is marked as
13992         needed.
13993         * tlink.c (recompile_files): Robustify.
13994         (scan_linker_output): If a symbol is assigned to a file,
13995         but after recompilation is not present there, issue an error
13996         message.
13997
13998 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13999
14000         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
14001         Take orig_loop argument and pass it to set_level.
14002         (schedule_sm): Pass the correct orig_loop to force_move_till.
14003
14004 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14005
14006         * cfgloop.c (update_latch_info): Update dominator of the new block.
14007         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
14008         info.
14009         * dominance.c (verify_dominators): Check that the dominance tree is
14010         connected.
14011         (recount_dominator): Ignore unreachable blocks.
14012         (iterate_fix_dominators): Cleanup old dominance information before
14013         recomputing it.
14014
14015 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
14016
14017         * tree-ssa-operands.c (get_expr_operands): Revert changes
14018         to ADDR_EXPR processing introduced by:
14019             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14020             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
14021
14022 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
14023
14024         * doc/implement-c.texi: Add C90 subclause references.  Point to
14025         preprocessor documentation instead of duplicating it.  Add points
14026         only present in C90.  Fill in documentation for all points.
14027
14028 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14029
14030         * pa.c (output_movb): Correct typo.
14031
14032 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
14033
14034         * ra.h (single_reg_in_regclass): Declare.
14035         * ra.c (single_reg_in_regclass): Define.
14036         (first_hard_reg): New.
14037         (init_ra): Initialize single_reg_in_regclass.
14038         * ra-colorize.c (ok_class): New.
14039         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
14040
14041 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
14042
14043         * gcov-io.h: Allow zero tag as EOF indicator.
14044         (gcov_is_eof): Remove.
14045         (gcov_truncate): Remove.
14046         * gcov-io.c (gcov_seek): Always SEEK_SET.
14047         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
14048         EOF tag.
14049         * coverage.c (read_counts_file): Don't use gcov_is_eof.
14050         * gcov-dump.c (dump_file): Likewise.
14051         * gcov.c (read_graph_file, read_count_file): Likewise.
14052
14053         * c-decl.c (complete_array_type): Don't gratuitously copy
14054         maxindex.  Check it always has a type.
14055
14056 2004-07-29  Steven Bosscher  <stevenb@suse.de>
14057
14058         * rtl.c (currently_expanding_to_rtl): New.
14059         * rtl.h (currently_expanding_to_rtl): Export it.
14060         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
14061
14062         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
14063         inliner hack.
14064         * config/sh/sh.c: Replace rtx_equal_function_value_matters
14065         with currently_expanding_to_rtl.
14066         * config/sh/sh.md: Likewise.
14067         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
14068
14069 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
14070
14071         Introduce sh2a support.
14072         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
14073         * config.gcc: Build multilibs for sh2a and sh2a-single by
14074         default.
14075         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
14076         default.  Split their tests out of the corresponding SH4
14077         multilibs.
14078         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
14079         multilibs for SH2a.
14080         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
14081         * config.gcc: Handle sh2a multilibs and cpu selection.
14082         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
14083         * config/sh/t-mlib-sh2a: New.
14084         * config/sh/t-mlib-sh2a-nofpu: New.
14085         * config/sh/t-mlib-sh2a-single: New.
14086         * config/sh/t-mlib-sh2a-single-only: New.
14087         2004-07-09  Nick Clifton  <nickc@redhat.com>
14088         Issue 43400
14089         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
14090         -ml and -m2a are used together.
14091         2004-03-23  DJ Delorie  <dj@redhat.com>
14092         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
14093         when we have a double-sized FPU.
14094         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
14095         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
14096         is set.
14097         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
14098         -msh2a-single and -msh2a-single-only
14099         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
14100         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
14101         is set.
14102         2004-02-20  DJ Delorie  <dj@delorie.com>
14103         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
14104         2004-02-20  Fred Fish <fnf@redhat.com>,
14105         Corinna Vinschen <vinschen@redhat.com>
14106         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
14107         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
14108         2004-02-18  DJ Delorie  <dj@redhat.com>
14109         * config/sh/sh.c (broken_move): Add support for movi20.
14110         * config/sh/sh.h: Likewise.
14111         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
14112         * config/sh/sh.md (udivsi3_sh2a): New.
14113         (udivsi3): Call it.
14114         (divsi3_sh2a): New.
14115         (divsi3): Call it.
14116         (mul_r): New.
14117         (ashlsi3_sh2a): New.
14118         (ashrsi3_sh2a): New.
14119         (lshrsi3_sh2a): New.
14120         (movsi_i): Disable for sh2a.
14121         (movsi_ie): Add movi20.
14122         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
14123         sh2a, for -m2a-nofpu mode.
14124         2004-02-13  DJ Delorie  <dj@redhat.com>
14125         * config/sh/lib1funcs.asm: Handle double vs single better.
14126         * config/sh/sh.h: Likewise.
14127         2004-02-09  DJ Delorie  <dj@redhat.com>
14128         * config/sh/crt1.asm: Add support for sh2a.
14129         * config/sh/elf.h: Likewise.
14130         * config/sh/lib1funcs.asm: Likewise.
14131         * config/sh/sh.c: Likewise.
14132         * config/sh/sh.md: Likewise.
14133         * config/sh/sh.h: Likewise.
14134         * config/sh/t-sh: Likewise.
14135
14136 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
14137
14138         * config/frv/frv.md (movqi_internal, movhi_internal,
14139         movsi_internal): Add backup alternatives for memory inputs.
14140
14141 2004-07-28  Matt Austern  <austern@apple.com>
14142
14143         * config/darwin.c (darwin_one_byte_bool): New global variable.
14144         * config/darwin.h (darwin_one_byte_bool): Declare.
14145         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
14146         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
14147         value of darwin_one_byte_bool.
14148         * doc/invoke.texi: Document -mone-byte-bool flag.
14149
14150 2004-07-28  Eric Christopher  <echristo@redhat.com>
14151
14152         * c-common.c (c_common_unsafe_for_reeval): Delete.
14153         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
14154         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
14155         * calls.c (fix_unsafe_tree): Delete.
14156         (expand_call): Delete code which used above.
14157         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
14158         * expr.c (expand_expr_real_1): Ditto.
14159         * fold-const.c (non_lvalue): Ditto.
14160         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
14161         (lhd_unsafe_for_reeval): Ditto.
14162         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
14163         * langhooks.h (unsafe_for_reeval): Ditto.
14164         (unsave_expr_now): Adjust comment.
14165         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
14166         (estimate_num_insns_1): Ditto.
14167         * tree-pretty-print.c (dump_generic_node): Ditto.
14168         * tree.c (expr_align): Ditto.
14169         (unsave_expr): Delete.
14170         (unsafe_for_reeval): Ditto.
14171         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
14172         * tree.def (UNSAVE_EXPR): Delete.
14173         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
14174
14175 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
14176
14177         * tree.h (enum tls_model): Move ...
14178         * coretypes.h: ... here.
14179
14180 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
14181
14182         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
14183
14184 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
14185
14186         * cse.c (validate_canon_reg): New function, split out from...
14187         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
14188
14189 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
14190
14191         * tree-ssa-alias.c (maybe_create_global_var): Don't just
14192         return if .GLOBAL_VAR has been created.
14193
14194 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
14195
14196         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
14197         every variable that may have aliases, not just tags.
14198
14199 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
14200
14201         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
14202         move_from_CR_eq_bit.
14203         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
14204
14205
14206         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
14207         e500_flip_eq_bit.
14208
14209         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
14210         output_e500_flip_eq_bit.
14211
14212         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
14213         output_e500_flip_eq_bit.
14214         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
14215         output_e500_flip_eq_bit.
14216         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
14217         (print_operand): case D.  Get to EQ bit.
14218
14219 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
14220
14221         * gcov.c (function_summary): Add missing \n.
14222
14223 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
14224
14225         Introduce sh4a support.
14226         * config.gcc: Handle sh4a multilibs and cpu selection.
14227         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
14228         * config/sh/t-mlib-sh4a: New.
14229         * config/sh/t-mlib-sh4al: New.
14230         * config/sh/t-mlib-sh4a-nofpu: New.
14231         * config/sh/t-mlib-sh4a-single: New.
14232         * config/sh/t-mlib-sh4a-single-only: New.
14233         2004-02-20  DJ Delorie  <dj@redhat.com>
14234         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
14235         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
14236         2003-08-22  Eric Christopher  <echristo@redhat.com>
14237         * config/sh/sh4a.md: Update for chip errata.
14238         2003-08-07  Eric Christopher  <echristo@redhat.com>
14239         * config/sh/sh4a.md: New file. sh4a processor description.
14240         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
14241         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
14242         of -m4a-nofpu.
14243         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
14244         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
14245         * doc/invoke.texi (SH Options): Document -m4al.
14246         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
14247         * config/sh/sh.c (expand_block_move): Remove commented-out code
14248         checked in by mistake.
14249         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
14250         single elements from SFmode vectors.
14251         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
14252         register.
14253         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
14254         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
14255         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
14256         sh_fsca_int2sf): Remove variable declarations.
14257         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
14258         sh_fsca_int2sf): New functions.
14259         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
14260         sh_fsca_int2sf_rtx): New static variables.
14261         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
14262         sh_fsca_int2sf): Declare.
14263         * config/sh/sh.md: Adjust.
14264         * doc/invoke.texi (SH Options): Document new options.
14265         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
14266         compatibility from SH4 code.
14267         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
14268         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
14269         early.
14270         (memory_movsrc_operand): Renamed to...
14271         (unaligned_load_operand): ... this.  Simplified.
14272         * config/sh/sh.h (PREDICATE_CODES): Adjust.
14273         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
14274         input operand to SImode, and adjust the others.  Introduce
14275         post-increment by peephole.
14276         * config/sh/sh.c (expand_block_move): Give the target address the
14277         same mode as the temp reg.
14278         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
14279         copying.
14280         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
14281         Introduce support for SH4a.
14282         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
14283         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
14284         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
14285         sh_fsca_int2sf): New.
14286         (sh_init_builtins): Initialize them.
14287         (print_operand): Support `d'.
14288         (expand_block_move): Use movua if src is misaligned.
14289         (memory_movsrc_operand): New.
14290         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
14291         and one of the SH4 macros.
14292         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
14293         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
14294         SELECT_SH4A_SINGLE): New.
14295         (TARGET_NONE): Add SH4A_BIT.
14296         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
14297         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
14298         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
14299         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
14300         (enum processor_type): Added PROCESSOR_SH4A.
14301         (PREDICATE_CODES): Add memory_movsrc_operand.
14302         * config/sh/sh.md: Removed unused variables.
14303         (attr cpu): Add sh4a.
14304         (attr type): Add movua, fsrra and fsca.
14305         (prefetch): New, for SH4.
14306         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
14307         (toggle_sz): Set type to fp.
14308         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
14309         (movua, extv, extzv): New.
14310         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
14311         and 4a-single-only.
14312
14313 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
14314
14315         * tree-optimize.c (init_tree_optimization_passes): Schedule
14316         pass_may_alias right after the program is renamed into SSA.
14317         * tree-pass.h (PROP_alias): Define.
14318         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
14319         * tree-sra.c (pass_sra): Likewise.
14320         * tree-ssa-ccp.c (pass_ccp): Likewise.
14321         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
14322         * tree-ssa-dce.c (pass_dce): Likewise.
14323         * tree-ssa-dom.c (pass_dominator): Likewise.
14324         * tree-ssa-dse.c (pass_dse): Likewise.
14325         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
14326         * tree-ssa-loop-ch.c (pass_ch): Likewise.
14327         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
14328         * tree-ssa-pre.c (pass_pre): Likewise.
14329         * tree-tailcall.c (pass_tail_recursion): Likewise.
14330         * tree-ssa.c (pass_redundant_phi): Likewise.
14331         * tree-ssa-alias.c (aliases_computed_p): Remove.
14332         Update all users.
14333         (init_alias_info): Do not mark all type tags for renaming
14334         unconditionally.
14335         Clear may_aliases from every symbol.
14336         (setup_pointers_and_addressables): If a pointer has not been
14337         dereferenced and it had a type tag, clear it and mark the old
14338         tag for renaming.
14339
14340 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
14341
14342         PR tree-optimization/16705
14343         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
14344         .GLOBAL_VAR.
14345
14346 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14347
14348         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
14349         check.
14350
14351         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
14352         don't make another one.
14353
14354         PR optimization/15077
14355         * function.h (struct function): Add field saved_static_chain_decl.
14356         Fix comment for static_chain_decl.
14357         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
14358         * tree-inline.h (save_body): Add new arg.
14359         * tree-optimize.c (tree_rest_of_compilation): Handle saving
14360         static_chain_decl.
14361
14362 2004-07-27  Richard Henderson  <rth@redhat.com>
14363
14364         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
14365         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
14366         is_gimple_addressable.
14367         * tree-gimple.c (is_gimple_addressable): Rename from
14368         is_gimple_addr_expr_arg; accept INDIRECT_REF.
14369         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
14370         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
14371         rename to is_gimple_addressable.
14372
14373 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
14374
14375         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
14376
14377 2004-07-27  Richard Henderson  <rth@redhat.com>
14378
14379         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
14380         before rounding.
14381
14382 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
14383
14384         * libgcc2.c: Change all conditionals testing
14385         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
14386         * libgcc2.h: Likewise.
14387         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
14388         TYPE_PRECISION of float80_type to 80.
14389         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
14390         of fpreg_type and float80_type to 80.
14391         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
14392         * config/m68k/netbsd-elf.h:
14393         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
14394         to evaluate to 80 whenever they would formerly have evaluated to 96.
14395         * config/i386/sco5.h: Remove unnecessary redefinition of
14396         LONG_DOUBLE_TYPE_SIZE.
14397         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
14398         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
14399         XFmode, with a bitsize of 80.  Update commentary.
14400         * config/ia64/ia64-modes.def: Likewise.
14401         * config/m68k/m68k-modes.def: Likewise.
14402
14403 2004-07-27  Steven Bosscher  <stevenb@suse.de>
14404
14405         * cfgexpand.c (tree_expand_cfg): Fix comment.
14406
14407         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
14408         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
14409         Remove.
14410         (prepare_function_start): Don't set rtx_equal_function_value_matters.
14411         * integrate.c (copy_rtx_and_substitute): Don't test for it.
14412         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
14413         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
14414         here again.  Update leading comment.
14415         * rtl.c (rtx_equal_function_value_matters): Remove.
14416         (rtx_equal_p): Don't test for it.
14417         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
14418         Likewise.
14419
14420         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
14421         * rtl.c (note_insn_name): Likewise.
14422         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
14423         * final.c (final_scan_insn): Likewise.
14424
14425         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
14426         * passes.c (rest_of_handle_eh): Do it here.
14427
14428         * stmt.c (struct nesting): Remove struct nesting block member.
14429         (struct stmt_status): Remove x_block_start_count field.
14430         (current_block_start_count): Remove.
14431
14432 2004-07-27  Brian Booth  <bbooth@redhat.com>
14433
14434         * tree-optimize.c (register_one_dump_file): Update condition that uses
14435         static_pass_number.
14436         (dup_pass_1): Replace with...
14437         (next_pass_1): This.
14438         (NEXT_PASS): Call next_pass_1.
14439         (DUP_PASS): Remove.
14440         (init_tree_optimization_passes): Remove uses of DUP_PASS.
14441         (execute_one_pass): Update condition that uses
14442         static_pass_number.
14443         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
14444         integer.
14445
14446 2004-07-27  Nick Clifton  <nickc@redhat.com>
14447
14448         * config/m32r/m32r.c: Include integrate.h in order to get the
14449         prototype for get_hard_reg_initial_val().
14450
14451         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
14452         and tidy up indentation.
14453         (final_presence_set): Use absence_set instead, so that if there is
14454         nothing in the "o" pipe the "s" pipe can be scheduled.
14455
14456 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
14457
14458         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
14459         don't have PT_VARS nor PT_MALLOC set.
14460         Clear name tag from pointers that have not been dereferenced.
14461         (set_pt_anything, set_pt_malloc): Forward declare.
14462         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
14463         not type compatibility when determining if a pointer can be
14464         copy propagated.
14465
14466 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
14467
14468         * expr.h (canonicalize_condition, get_condition): Add an int argument.
14469         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
14470         it to check whether the condition is still valid at the jump insn.
14471         * ifcvt.c (noce_get_condition): Likewise.
14472         (noce_get_alt_condition): Update call to canonicalize_condition.
14473         * loop-iv.c (simplify_using_initial_values): Update call to
14474         get_condition.  Remove FIXME.
14475         (check_simple_exit): Update call to get_condition.
14476         * loop-unswitch.c (may_unswitch_on): Likewise.
14477         * loop.c (check_dbra_loop): Likewise.
14478         (canonicalize_condition, get_condition): Add an argument to say whether
14479         the condition must still be valid at INSN.
14480         (get_condition_for_loop): Update call to get_condition.  Require that
14481         the condition be valid at INSN.
14482         * predict.c (estimate_probability): Update call to get_condition.
14483         Remove unused earliest parameter.
14484         (expected_value_to_br_prob): Update call to canonicalize_condition.
14485
14486 2004-07-26  Eric Christopher  <echristo@redhat.com>
14487
14488         * tree-dfa.c (add_referenced_var): Register initializers of global
14489         variables.
14490
14491 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
14492
14493         * config/i386/i386.c (function_arg): Always treat 8-
14494         and 16-byte wide vectors the same, even if MMX/SSE
14495         are disabled.
14496         (contains_128bit_aligned_vector_p): Add comment.
14497
14498 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
14499
14500         * ra.h (enum node_type): Rename to:
14501         (enum ra_node_type).
14502         * ra-colorize.c: Likewise.
14503
14504 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
14505
14506         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
14507         after simplifying the jump.
14508
14509 2004-06-26  Richard Henderson  <rth@redhat.com>
14510
14511         * calls.c (combine_pending_stack_adjustment_and_call): Make
14512         preferred_unit_stack_boundary argument unsigned.  Make
14513         unadjusted_alignment unsigned.
14514         (expand_call): Make preferred_stack_boundary and
14515         preferred_unit_stack_boundary variables unsigned.
14516         * function.c (assign_stack_local_1): Make alignment unsigned.
14517         * function.h (struct function): Make stack_alignment_needed,
14518         preferred_stack_boundary unsigned.
14519         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
14520         (ix86_compute_frame_layout): Make stack_alignment_needed,
14521         preferred_alignment variables unsigned.
14522         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
14523
14524 2004-07-26  Tom Tromey  <tromey@redhat.com>
14525
14526         * tree.h: Fix typo in comment.
14527
14528 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
14529
14530         PR bootstrap/12804
14531         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
14532         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
14533         (ggc_free): Remove incorrect freeing.
14534         (sweep_pages): Advance PP for large pages.  Fix indentation.
14535
14536 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
14537
14538         PR rtl-optimization/16643
14539         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
14540         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
14541         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
14542         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
14543         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
14544         * function.c (thread_prologue_and_epilogue_insns): Likewise.
14545         * rtl.h (tracer): Add a flags parameter.
14546         * tracer.c (tracer): Pass it to cfg_layout_initialise.
14547         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
14548         (rest_of_handle_reorder_blocks): Update calls to tracer and
14549         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
14550         (rest_of_handle_tracer): Pass 0 to tracer.
14551         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
14552
14553 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
14554
14555         PR target/16239
14556         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
14557         f->f.
14558
14559 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
14560
14561         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
14562         (BINFO_BASE_ACCESS): Adjust.
14563         (BINFO_BASE_ACCESS_APPEND): New.
14564         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
14565         * dbxout.c (dbxout_type): Adjust binfo access accessing.
14566         * dwarf2out.c (gen_member_die): Likewise.
14567         * tree-dump.c (deque_and_dump): Likewise.
14568
14569 2004-07-26  Falk Hueffner  <falk@debian.org>
14570
14571         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
14572         costs.
14573
14574 2004-07-25  Roger Sayle  <roger@eyesopen.com>
14575
14576         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
14577         value off of the stack if TARGET_USE_FFREEP.
14578
14579 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14580
14581         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
14582         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
14583         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
14584         check on invocation of XRESIZEVEC ().
14585
14586 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14587
14588         * c-common.c (disable_builtin_function): Rename variable n to
14589         new_disabled_builtin.
14590         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
14591         Rename local variable old to old_decl.
14592         * gensupport.c (shift_output_template): Rename parameter old to src.
14593         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
14594         old_rtx and newx to new_rtx.
14595
14596 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14597
14598         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
14599         of c-pragma.h.
14600         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
14601         enum cpp_ttype.
14602         * c-lex.c: Likewise.
14603
14604 2004-07-25  Roger Sayle  <roger@eyesopen.com>
14605
14606         * fold-const.c (constant_boolean_node): Make extern.
14607         (make_range): Wrap long lines.
14608         (fold_cond_expr_with_comparison): Remove unnecessary call to
14609         pedantic_non_lvalue.  Add missing calls to fold_convert.
14610         (fold_truthop): Add missing calls to fold_convert.
14611         (fold): Likewise.
14612         * tree.h (constant_boolean_node): Add prototype here.
14613         * builtins.c (expand_builtin_strncmp): Add missing calls to
14614         fold_convert.
14615         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
14616         Call fold_convert and constant_boolean_node to correct types.
14617         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
14618         missing call to fold_convert to correct types.
14619
14620 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
14621             Brian Ryner  <bryner@brianryner.com>
14622
14623         PR c++/9283
14624         PR c++/15000
14625         * c-common.c (c_common_attribute_table): Allow
14626         handle_visibility_attribute to be called for types.
14627         (handle_visibility_attribute) When given a type, set the visibility
14628         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
14629         so that we can check later whether the attribute was present. Added
14630         warning if attribute applied to non class type.
14631         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
14632         decls and checking that they are consistent.
14633         * common.opt: Added -fvisibility.
14634         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
14635         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
14636         * flags.h, tree.h: Added assorted support defines for overall patch
14637         * opts.c: Added parsing support for -fvisibility.
14638         * tree.c (build_decl): Set visibility for all decls to be whatever
14639         is in force at that time.
14640         * varasm.c (default_binds_local_p_1): Reworked logic determining
14641         when to make a symbol locally bound.
14642         * doc/invoke.texi: Added documentation for -fvisibility and
14643         -fvisibility-inlines-hidden.
14644
14645 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14646
14647         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
14648         * c-common.c: Add missing casts from void * to other types.
14649         * c-decl.c: Likewise.
14650         * c-format.c: Likewise.
14651         * c-lex.c: Likewise.
14652         * c-pragma.c: Likewise.
14653         * c-typeck.c: Likewise.
14654         * defaults.h: Likewise.
14655         * genconstants.c: Likewise.
14656         * gengtype-lex.l: Likewise.
14657         * genmodes.c: Likewise.
14658         * read-rtl.c: Likewise.
14659         * rtl.c: Likewise.
14660
14661 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14662
14663         * bitmap.c: Use type-safe memory allocation macros from libiberty.
14664         * c-common.c: Likewise.
14665         * c-decl.c: Likewise.
14666         * c-lang.c: Likewise.
14667         * c-lex.c: Likewise.
14668         * c-opts.c: Likewise.
14669         * c-parse.in: Likewise.
14670         * c-typeck.c: Likewise.
14671         * genconditions.c: Likewise.
14672         * gengtype-lex.l: Likewise.
14673         * gengtype-yacc.y: Likewise.
14674         * gengtype.c: Likewise.
14675         * genmodes.c: Likewise.
14676         * gensupport.c: Likewise.
14677         * read-rtl.c: Likewise.
14678         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
14679         htab_find_slot().
14680
14681 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14682
14683         * c-decl.c (groktypename, groktypename_in_param_context): Rename
14684         variable typename to type_name.
14685         * c-lex.c (interpret_float): Likewise.
14686
14687 2004-07-25  Roger Sayle  <roger@eyesopen.com>
14688
14689         * convert.c (convert_to_real, convert_to_integer,
14690         convert_to_complex): Replace calls to build with calls to buildN.
14691         * coverage.c (tree_coverage_counter_ref): Likewise.
14692         * dojump.c (do_jump): Likewise.
14693         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
14694         * emit-rtl.c (component_ref_for_mem_expr,
14695         set_mem_attributes_minus_bitpos): Likewise.
14696         * explow.c (update_nonlocal_goto_save_area): Likewise.
14697         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
14698         expand_mult_add): Likewise.
14699         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
14700         store_constructor, get_inner_reference, expand_expr_real_1,
14701         try_casesi, try_tablejump): Likewise.
14702         * function.c (expand_function_start): Likewise.
14703         * stmt.c (emit_case_bit_tests, expand_end_case_type,
14704         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
14705         * stor-layout.c (place_union_field, layout_type): Likewise.
14706         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
14707         * varasm.c (copy_constant): Likewise.
14708
14709 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14710
14711         * c-common.c: Rename all identifiers named `new'.
14712         * c-decl.c: Likewise.
14713         * gensupport.c: Likewise.
14714         * simplify-rtx.c: Likewise.
14715         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
14716         with XNEW().
14717         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
14718         with XNEWVEC().
14719
14720 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
14721
14722         PR c/15360
14723         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
14724         declarations until after calling pushdecl.
14725         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
14726         "extern" and not on whether the declaration is initialized.
14727
14728 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
14729
14730         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
14731         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
14732         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
14733         "cpplib.h", "c-pragma.h", "c-common.h".
14734         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
14735         (solaris_register_pragmas): New functions.
14736         * config/sol2-protos.h: New file.
14737         * config/sol2.c: New file.
14738         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
14739         (REGISTER_TARGET_PRAGMAS): New macros.
14740         (solaris_pending_aligns, solaris_pending_inits)
14741         (solaris_pending_finis): New variables.
14742         * config/t-sol2 (sol2-c.o): Update dependencies.
14743         (sol2.o): New rule.
14744         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
14745         SUBTARGET_INSERT_ATTRIBUTES.
14746         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
14747         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
14748         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
14749         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
14750         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
14751         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
14752         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
14753         * config/sparc/sparc.c (sparc_attribute_table): New.
14754         (TARGET_INSERT_ATTRIBUTES): Define in terms of
14755         SUBTARGET_INSERT_ATTRIBUTES.
14756         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
14757         is defined.
14758         * doc/extend.texi (Solaris Pragmas): New section.
14759
14760 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14761
14762         * c-common.c: Rename all identifiers named `class' to `cl'.
14763         * c-common.h: Likewise.
14764         * c-parse.in: Likewise.
14765         * c-typeck.c: Likewise.
14766         * genmodes.c: Likewise.
14767         * real.c: Likewise.
14768         * real.h: Likewise.
14769         * recog.c: Likewise.
14770         * recog.h: Likewise.
14771         * regrename.c: Likewise.
14772         * tree.h: Likewise.
14773         * c-common.c (builtin_function_2): Change type of 5th parameter from
14774         int to enum built_in_function. Change type of 8th parameter from int
14775         to bool.
14776         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
14777         with GGC_CNEW().
14778         * c-typeck.c (convert_arguments): Change type of formal_prec from
14779         int to unsigned int.
14780         * genmodes.c (blank_mode): Make a few negative constants unsigned.
14781         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
14782         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
14783         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
14784         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
14785         iterator to for_all_modes () instead of an enum because enums can't
14786         be incremented in C++.
14787
14788
14789 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
14790
14791         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
14792         hard registers.
14793
14794 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14795
14796         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
14797         Handle ARRAY_RANGE_REF like ARRAY_REF.
14798
14799 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
14800
14801         * c-typeck.c (digest_init): Don't allow arrays of signed or
14802         unsigned variants of wchar_t to be initialized by wide string
14803         constants.  Do allow arrays of enumerated types compatible with
14804         wchar_t to be initialized by wide string constants.  Refine tests
14805         distinguishing wide and narrow strings and arrays.  Give specific
14806         error for arrays of other integer types initialized by string
14807         constants.
14808         (output_init_element, process_init_element): Check for
14809         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
14810         initializing with string constants.
14811
14812 2004-07-25  Richard Henderson  <rth@redhat.com>
14813
14814         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
14815         on the RESULT_DECL.
14816         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
14817         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
14818         DECL_IGNORED_P to new decl.
14819
14820 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
14821
14822         * config/ia64/ia64.c (general_xfmode_operand)
14823         (destination_xfmode_operand): Delete.
14824         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
14825         * config/ia64/ia64.md (*movxf_internal): Use general_operand
14826         and destination_operand.
14827
14828 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
14829
14830         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
14831         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
14832
14833 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
14834             Zack Weinberg  <zack@codesourcery.com
14835
14836         PR 16684
14837         * c-decl.c (diagnose_mismatched_decls): Don't issue a
14838         redundant-declaration warning the first time a builtin is
14839         declared explicitly.
14840
14841 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14842
14843         * tree.h (staticp): Change return type to bool.
14844
14845 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14846
14847         * c-common.c (c_staticp): Last episode of the staticp saga.
14848
14849 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14850
14851         * c-common.h (c_staticp): Change return type from int to bool.
14852         * tree.c (staticp): Likewise.
14853         * langhooks.h (staticp): Likewise.
14854
14855 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14856
14857         * langhooks-def.h (lhd_staticp): Change return type from int to
14858         bool in prototype to match definition.
14859
14860 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14861
14862         * system.h (bool, true, false): Don't redefine as preprocessor macros
14863         in C++.
14864
14865 2004-07-24  Roger Sayle  <roger@eyesopen.com>
14866
14867         * expmed.c (init_expmed): A signed modulus by a power of two is
14868         considered cheap if its less than or equal to four instructions.
14869
14870 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14871
14872         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
14873         GGC_CNEWVAR): New macros.
14874
14875 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14876
14877         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
14878         lists.
14879         * c-decl.c: Likewise.
14880         * c-format.c: Likewise.
14881         * c-lex.c: Likewise.
14882         * c-opts.c: Likewise.
14883         * c-pragma.c: Likewise.
14884         * c-typeck.c: Likewise.
14885         * gencheck.c: Likewise.
14886         * genconditions.c: Likewise.
14887         * genconfig.c: Likewise.
14888         * genflags.c: Likewise.
14889         * gengtype.c: Likewise.
14890         * gensupport.c: Likewise.
14891         * ggc-none.c: Likewise.
14892         * langhooks.c: Likewise.
14893         * statistics.h: Likewise.
14894         * stub-objc.c: Likewise.
14895         * java/decl.c: Likewise.
14896
14897 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
14898
14899         * config/m68k/m68k.c (output_scc_di): Fix coding style.
14900         (symbolic_operand): Fix prototype.
14901         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
14902         * config/m68k/m68k.md: Add constants for registers a0 and sp and
14903         use them, change from the "{...}" syntax to the simpler {...}
14904         syntax.
14905         (*cfv4_extendqisi2): Fix destination predicate.
14906         * config/m68k/m68k-protos.h: Remove various declarations also
14907         generated via PREDICATE_CODES.
14908
14909 2004-07-23  Mike Stump  <mrs@apple.com>
14910
14911         * c-typeck.c (convert_for_assignment): Tightened up pointer
14912         converstions that differ in signedness.
14913
14914 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
14915
14916         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
14917
14918 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14919
14920         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
14921         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
14922
14923         * gimplify.c (gimplify_compound_lval): Check for no handled
14924         operations, rather than checking for explicit list of nodes.
14925         (is_gimple_addr_expr_arg_or_indirect): New function.
14926         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
14927         redundant setting of TREE_INVARIANT.
14928         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
14929         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
14930
14931 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
14932
14933         PR tree-optimization/16688
14934         PR tree-optimization/16689
14935         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
14936         unnecessary initialization of 'tag'.
14937         (get_tmt_for): Check that the new type tag has the same alias
14938         set as the pointed-to type.
14939         (group_aliases): Only regular variables need to be removed
14940         from the alias set of a name tag.
14941         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
14942         propagation if the two types are not compatible.
14943         (merge_alias_info): Rename from replace_ssa_names_ann.
14944         Add more checking.
14945         (replace_exp_1): If both arguments are SSA_NAMEs, check that
14946         the propagation can be done.
14947         Only call merge_alias_info on pointers.
14948         (propagate_value): Likewise.
14949         * tree-ssa-copyrename.c: Include langhooks.h.
14950         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
14951         to do the merging.
14952         Do not coalesce variables with incompatible types.
14953         (rename_ssa_copies): Call replace_ssa_name_symbol.
14954         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
14955         the same type as the underlying _DECL.
14956         * tree-ssanames.c (replace_ssa_name_symbol): New function.
14957         * tree.h (replace_ssa_name_symbol): Declare.
14958
14959 2004-07-23  Richard Henderson  <rth@redhat.com>
14960
14961         PR c++/16277
14962         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
14963         unshare it properly.
14964         (gimplify_modify_expr_rhs): Push assignment from a conditional into
14965         the conditional for all non-register types.
14966
14967 2004-07-23  Richard Henderson  <rth@redhat.com>
14968
14969         * expr.c (expand_expr_real_1): Don't handle non-local variables.
14970         * expr.h (fix_lexical_addr): Remove.
14971         * function.c (NEED_SEPARATE_AP): Remove.
14972         (fix_lexical_addr): Remove.
14973         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
14974         not null decl_function_context.
14975         (create_alias_vars): Likewise.
14976         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
14977         (simple_goto_p): Likewise.
14978         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
14979         * tree-ssa-ccp.c (get_default_value): Likewise.
14980         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
14981         * tree.c (needs_to_live_in_memory): Likewise.
14982         * tree-flow-inline.h (may_be_aliased): Move...
14983         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
14984         when TREE_STATIC variables may be addressable.
14985
14986 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
14987
14988         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
14989
14990 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
14991
14992         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
14993         bitmap contents if GENERATOR_FILE is defined.
14994         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
14995         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
14996
14997 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
14998
14999         * c-decl.c (start_function): Form composite type of function types
15000         rather than copying type from previous prototype declaration.
15001
15002 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
15003
15004         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
15005         the const qualifier for the second argument in the C++ functions.
15006
15007         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
15008         specific pointer types.
15009
15010         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
15011         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
15012         for vector bool and/or vector pixel, add C++ and C missing support.
15013         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
15014         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
15015         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
15016         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
15017         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
15018         missing C++ and C support for vector bool and/or vector pixel.
15019         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
15020         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
15021         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
15022         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
15023         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
15024         C++ and C types used for vector bool and/or vector pixel.
15025         (vec_st, vec_stl): Add C++ support for vector pixel.
15026         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
15027         (vec_all_ne): Add C++ support for vector pixel.
15028
15029         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
15030         (vec_vmulesb): Add missing C++ function.
15031         (vec_perm): Fix type of third argument in C++ function.
15032         (vec_vsum4shs): Fix C++ function name.
15033         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
15034         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
15035         argument passed to the error handler in C macro.
15036         (vec_nmsub): Remove extra parens around argument names in C macro.
15037         (vec_packpx): Add missing parens in C macro.
15038
15039 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
15040
15041         * machmode.def: Remove vector modes.
15042         * config/alpha/alpha-modes.def: Add supported vector modes.
15043         * config/arm/arm-modes.def: Likewise.
15044         * config/frv/frv-modes.def: Likewise.
15045         * config/i386/i386-modes.def: Likewise.
15046         * config/rs6000/rs6000-modes.def: Likewise.
15047         * config/sh/sh-modes.def: Likewise.
15048
15049 2004-07-23  Matthias Klose  <doko@debian.org>
15050
15051         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
15052         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
15053         * config.h: Regenerate.
15054         * configure: Likewise.
15055
15056 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
15057
15058         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
15059         generated SYMBOL_REFs for labels.
15060         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
15061         Change prototype.
15062         (machopic_stub_name): Remove.
15063         (machopic_indirection_name): New function.
15064         (machopic_mcount_stub_name): Likewise.
15065         (machopic_classify_name): Remove.
15066         (machopic_function_base_sym): New function.
15067         (machpoic_classify_symbol): Likewise.
15068         (machopic_classify_ident): Remove.
15069         (machopic_define_ident): Likewise.
15070         (machopic_define_name): Likewise.
15071         (machopic_name_defined_p): Likewise.
15072         (machopic_ident_defined_p): Likewise.
15073         (darwin_strip_name_encoding): Likewise.
15074         (machopic_define_symbol): New function.
15075         * config/darwin.c (hashtab.h): Include.
15076         (machopic_defined_list): Remove.
15077         (machopic_classify_ident): Likewise.
15078         (machopic_classify_name): Likewise.
15079         (machopic_ident_defined_p): Likewise.
15080         (machopic_define_ident): Likewise.
15081         (machopic_define_name): Likewise.
15082         (machopic_symbol_defined_p): New function.
15083         (machopic_classify_symbol): Likewise.
15084         (machopic_data_defined_p): Use machopic_classify_symbol.
15085         (machopic_define_symbol): New function.
15086         (machopic_function_base_sym): New function.
15087         (machopic_non_lazy_pointers): Remove.
15088         (machopic_non_lazy_ptr_name): Likewise.
15089         (machopic_stubs): Likewise.
15090         (machopic_stub_name): Likewise.
15091         (NON_LAZY_POINTER_SUFFIX): New macro.
15092         (STUB_SUFFIX): Likewise.
15093         (machopic_indirection): New structure.
15094         (machopic_indirections): New variable.
15095         (machopic_indirection_hash): New function.
15096         (machopic_indirection_eq): Likewise.
15097         (machopic_indirection_name): Likewise.
15098         (machopic_mcount_stub_name): New function.
15099         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
15100         hash table.
15101         (machopic_indirect_data_reference): Rework to use new functions.
15102         (machopic_indirect_call_target): Likewise.
15103         (machopic_legitimize_pic_address): Likewise.
15104         (machopic_output_indirection): New function.
15105         (machopic_finish): Use it.
15106         (machopic_operand_p): Rework to use new functions.
15107         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
15108         (darwin_strip_name_encoding): Remove.
15109         (update_non_lazy_ptrs): Remove.
15110         (update_stubs): Likewise.
15111         (darwin_non_lazy_pcrel): Use new functions.
15112         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
15113         (ASM_OUTPUT_LABELREF): Likewise.
15114         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
15115         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
15116         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
15117         (TARGET_STRIP_NAME_ENCODING): Do not use
15118         darwin_strip_name_encoding.
15119         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
15120         darwin_strip_name_encoding.
15121         * config/i386/darwin.h (FUNCTION_PROFILER): Use
15122         machopic_mcount_stub_name.
15123         * config/i386/i386.c (x86_output_mi_thunk): Use
15124         machopic_indirection_name, not machopic_stub_name.
15125         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
15126         machopic_function_base_sym.
15127         (print_operand): Use machopic_classify_symbol.
15128         (rs6000_emit_prologue): Use machopic_function_base_sym.
15129         (output_profile_hook): Do not use machopic_stub_name.
15130         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
15131
15132 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15133
15134         PR c/7284
15135         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
15136         as multiplication.
15137
15138 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15139
15140         * doc/implement-c.texi: New file.
15141         * doc/extend.texi (C Implementation): Move to there.
15142         * doc/gcc.texi: Include implement-c.texi.
15143         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
15144
15145 2004-07-22  Jason Merrill  <jason@redhat.com>
15146
15147         * integrate.c (copy_decl_for_inlining): Remove invisible reference
15148         handling.
15149         * tree-inline.c (setup_one_parameter): Likewise.
15150
15151 2004-07-22  Brian Booth  <bbooth@redhat.com>
15152
15153         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
15154         (substitute_and_fold): Propigate into VUSE operands when possible.
15155         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
15156         (cp_lattice_meet): Handle merging of latticevalues when
15157         UNKNOWN_VAL is present.
15158         (visit_stmt): Visit assignments with V_MUST_DEFs.
15159         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
15160         (ccp_fold): Deal with RHS' that are constant and virtual.
15161         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
15162         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
15163         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
15164         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
15165         computing immediate uses.
15166         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
15167         transition.
15168         (replace_vuse_in): New function.
15169         (likely_value): Add check of vuse operands.
15170         (get_default_value): Set the default value of virtually defined
15171         variables to UKNOWN_VAL instead of VARYING.
15172
15173 2004-07-22  Richard Henderson  <rth@redhat.com>
15174
15175         * expr.c (emit_push_insn): Don't use set_mem_attributes.
15176
15177 2004-07-22  Richard Henderson  <rth@redhat.com>
15178
15179         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
15180         variables due to conditional compilation.
15181
15182 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
15183
15184         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
15185         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
15186         Release SSA names that have been re-renamed.
15187         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
15188         variable.
15189         * tree-ssa-alias.c (init_alias_info): If aliases have been
15190         computed before, clear existing alias information.
15191         (create_name_tags): Do no fixup PT_ANYTHING pointers.
15192         If the new name tag for a pointer is different than the one it
15193         had before, mark the old tag for renaming.
15194         (replace_may_alias): New function.
15195         (group_aliases): Call it.
15196         (setup_pointers_and_addressables): Always call get_tmt_for.
15197         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
15198         once.
15199         (set_pt_anything): New local function.
15200         (set_pt_malloc): New local function.
15201         (merge_pointed_to_info): Don't merge pointed-to variables from
15202         the original pointer if the destination is pointing to an
15203         unknown location.
15204         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
15205         (add_pointed_to_var): Do not add a variable to the points-to
15206         set if the pointer is already pointing to anywhere.
15207         (collect_points_to_info_r): If the defining statement is a PHI
15208         node, only merge pointed-to information if the argument has
15209         already been visited.
15210         (get_tmt_for): Only create a new tag if the pointer didn't
15211         have one already.
15212         (dump_alias_info): Emit more information.
15213         (dump_points_to_info_for): Likewise.
15214         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
15215         try to get the annotation of an SSA_NAME.
15216         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
15217         alias sets when checking is enabled.
15218         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
15219         (eliminate): Mark basic blocks that will need
15220         EH information cleaned up.
15221         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
15222         predecessor.
15223         Initialize need_eh_cleanup.
15224         (fini_pre): Call tree_purge_all_dead_eh_edges and
15225         cleanup_tree_cfg if needed.
15226         Free need_eh_cleanup.
15227         * tree-ssa.c (verify_ssa_name): New function.
15228         (verify_def): Call it.
15229         Re-arrange to avoid printing too many error messages.
15230         (verify_use): Likewise.
15231         (verify_phi_args): Likewise.
15232         (verify_flow_insensitive_alias_info): New function.
15233         (verify_flow_sensitive_alias_info): New function.
15234         (verify_alias_info): New function.
15235         (verify_ssa): Call verify_alias_info.
15236         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
15237         program.
15238         Re-arrange to avoid printing too many error messages.
15239         * tree-ssanames.c (make_ssa_name): Clear
15240         SSA_NAME_IN_FREE_LIST.
15241         (release_ssa_name): Never release a default definition.
15242         (release_defs): New function.
15243         * tree.h: Declare it.
15244         * tree-ssa-dce.c (remove_dead_stmt): Call it.
15245
15246 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
15247
15248         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
15249         If true, do a depth-first search.  Do a breadht-first search,
15250         otherwise.
15251         (walk_use_def_chains): Add new argument IS_DFS.
15252         Update all users.
15253         * tree-flow.h (walk_use_def_chains): Update prototype.
15254
15255 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
15256
15257         * config/cris/cris.md: Tweak formatting.
15258         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
15259         (mover2side, moverside, movemside, movei, op3, andu): Replace
15260         live define_peephole:s with define_peephole2 near-equivalents.
15261         Delete the rest.
15262         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
15263         word-size modes.
15264         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
15265         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
15266         "*mov_sidesi_mem" respectively.
15267
15268 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
15269
15270         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
15271         (gimplify_build1): Move from tree-complex.c do_unop.
15272         (gimplify_build2): Move from tree-complex.c do_binop.
15273         (gimplify_build3): New.
15274         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
15275         Adjust throughout to call the functions above.
15276         * tree-flow.h: Declare the functions above.
15277         * tree-nested.c (gimplify_val): Rename to...
15278         (tsi_gimplify_val): ... this.
15279
15280         * Makefile.in (tree_complex.o): Update dependencies.
15281         (stor-layout.o): Depend on regs.h.
15282         * c-common.c (handle_vector_size_attribute): Update for
15283         vector types without corresponding vector modes.
15284         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
15285         a corresponding vector mode is not available.
15286         * print-tree.c (print_node): Print nunits for vector types
15287         * regclass.c (have_regs_of_mode): New.
15288         (init_reg_sets_1): Initialize it and use it instead
15289         of allocatable_regs_of_mode.
15290         * regs.h (have_regs_of_mode): Declare it.
15291         * stor-layout.c (layout_type): Pick a mode for vector types.
15292         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
15293         build_replicated_const, do_unop, do_binop, do_plus_minus,
15294         do_negate, expand_vector_piecewise, expand_vector_parallel,
15295         expand_vector_addition, expand_vector_operations_1,
15296         expand_vector_operations, tree_lower_operations,
15297         pass_lower_vector_ssa, pass_pre_expand): New.
15298         (expand_complex_operations, pass_lower_complex): Remove.
15299         * tree-optimize.c (init_tree_optimization_passes): Adjust
15300         pass ordering for changes in tree-complex.c.
15301         * tree-pass.h: Declare new passes.
15302         * tree.c (finish_vector_type): Remove.
15303         (make_vector_type): New.
15304         (build_vector_type_for_mode, build_vector_type): Rewritten.
15305         * tree.def (VECTOR_TYPE): Document where the number of
15306         subparts is stored.
15307         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
15308         (make_vector): Remove declaration.
15309
15310 2004-07-21  Richard Henderson  <rth@redhat.com>
15311
15312         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
15313         TREE_THIS_VOLATILE, may_aliases, or optimization level.
15314         (remove_useless_vars): Dump debugging info.
15315         (expand_used_vars): Move ...
15316         * cfgexpand.c (expand_used_vars): ... here.  Make static.
15317         * tree-flow-inline.h (set_is_used): New.
15318         (set_default_def): Use get_var_ann.
15319         * tree-flow.h: Update decls.
15320         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
15321         (create_ssa_var_map): Use it.
15322         * tree-ssa.c (set_is_used): Remove.
15323
15324 2004-07-22  Ben Elliston  <bje@au.ibm.com>
15325
15326         * gdbinit.in: Set a breakpoint on internal_error.
15327
15328 2004-07-21  Richard Henderson  <rth@redhat.com>
15329
15330         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
15331         to create a new basic block.
15332
15333 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15334
15335         PR c/15052
15336         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
15337         return type on function definitions.  Move other warnings for
15338         qualified return type to -Wreturn-type.  Do not condition any such
15339         warnings on -pedantic.  Update comments.
15340         (start_function): Only copy function type from previous prototype
15341         declaration if return types are compatible.
15342         * c-typeck.c (function_types_compatible_p): Don't condition
15343         warning for incompatibility of volatile qualifiers on the return
15344         type on -pedantic.  Update comment.
15345         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
15346
15347 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15348
15349         * c-typeck.c (set_init_index): Require designator to be of integer
15350         type.
15351
15352 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
15353
15354         PR c/11250
15355         * c-parse.in (init): Change to exprtype.
15356         (primary): Set original_code for STRING to STRING_CST.
15357         Call maybe_warn_string_init for compound literals.
15358         (initdcl, notype_initdcl): Call maybe_warn_string_init.
15359         (initval): Update.
15360         * c-tree.h (maybe_warn_string_init): New.
15361         (pop_init_level, process_init_element): Use struct c_expr.
15362         (struct c_expr): Update comment.
15363         * c-typeck.c (maybe_warn_string_init): New function.
15364         (digest_init): Call it.  Additional parameter strict_string.  All
15365         callers changed.
15366         (output_init_element): Likewise.
15367         (struct constructor_stack): Use struct c_expr for
15368         replacement_value.
15369         (really_start_incremental_init, push_init_level): Update.
15370         (pop_init_level): Update.  Return struct c_expr.
15371         (process_init_level): Update.  Take struct c_expr argument.
15372
15373 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
15374
15375         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
15376         commit.
15377
15378 2004-07-21  Eric Christopher  <echristo@redhat.com>
15379
15380         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
15381         removal.
15382         * c-decl.c (pop_scope): Ditto.
15383         * calls.c (expand_call): Remove call to current_nesting_level,
15384         update comment accordingly. Remove calls to expand_start_target_temps
15385         and expand_end_target_temps.
15386         * cfgexpand.c (construct_init_block): Remove call to
15387         expand_start_bindings_and_block.
15388         (construct_exit_block): Remove call to expand_end_bindings.
15389         * expr.c (safe_from_p): Remove BIND_EXPR handling.
15390         (expand_expr_real_1): Ditto. Fix formatting.
15391         (expand_vars): Delete.
15392         * stmt.c (POPSTACK): Remove block_stack.
15393         (stmt_status): Remove x_block_stack.
15394         (block_stack): Delete.
15395         (expand_start_bindings_and_block): Ditto.
15396         (expand_start_target_temps): Ditto.
15397         (expand_end_target_temps): Ditto.
15398         (current_nesting_level): Ditto.
15399         (warn_about_unused_variables): Ditto.
15400         (expand_end_bindings): Ditto.
15401         * tree.h: Remove declarations for above.
15402
15403 2004-07-21  Steven Bosscher  <stevenb@suse.de>
15404
15405         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
15406         * rtl.c (note_insn_name): Likewise.
15407         * print-rtl.c (print_rtx): Don't print it.
15408         * cfgrtl.h (can_delete_note_p): Don't handle it.
15409         (rtl_delete_block): Likewise.
15410         * passes.c (rest_of_handle_guess_branch_prob): Remove.
15411         (rest_of_compilation): Don't call it.
15412         * predict.c (process_note_predictions, process_note_prediction,
15413         note_prediction_to_br_prob): Remove.
15414         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
15415         * stmt.c (return_prediction): Remove.
15416         (expand_value_return): Don't call it.  Don't add prediction
15417         notes for return statements.
15418
15419 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
15420
15421         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
15422         once.
15423
15424 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
15425
15426         * c-common.c (vector_types_convertible_p): Use vector types'
15427         TYPE_SIZE and TREE_TYPE instead of their mode.
15428         * convert.c (convert_to_integer): Likewise.
15429         (convert_to_vector): Likewise.
15430         * fold-const.c (fold_convert): Likewise.
15431         * varasm.c (output_constant): Likewise.
15432         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
15433         Allow a VECTOR_TYPE initializer to be made of several vectors.
15434         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
15435         of cleared and need_to_clear, and use fold_convert.
15436         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
15437         integer vectors.
15438
15439 2004-07-20  Richard Henderson  <rth@redhat.com>
15440
15441         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
15442         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
15443
15444 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
15445
15446         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
15447         enormous cost if not TARGET_HARD_MUL.
15448
15449 2004-07-20  Andrew Pinski  <apinski@apple.com>
15450
15451         PR target/16557
15452         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
15453         (ASM_SPEC): here.
15454
15455 2004-07-21  Paul brook  <paul@codesourcery.com>
15456
15457         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
15458
15459 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15460
15461         * fold-const.c (operand_equal_p): Temporarily support NULL args.
15462         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
15463         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
15464
15465 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
15466
15467         * rtl.h (plus_constant): Delete.
15468         (plus_constant_wide): Rename to plus_constant.
15469         (plus_constant_for_output_wide): Delete vestigial prototype.
15470         (GEN_INT): Remove unnecessary cast.
15471         * tree.h (build_int_2, size_int_type): Delete.
15472         (build_int_2_wide): Rename to build_int_2.
15473         (size_int_wide): Rename to size_int_kind.
15474         (size_int_type_wide): Rename to size_int_type.
15475         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
15476         Remove unnecessary cast.
15477         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
15478         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
15479         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
15480         (size_int_type_wide): Rename size_int_type.
15481         (int_const_binop): Use size_int_type.
15482         * c-lex.c (interpret_integer): Use build_int_2.
15483         * final.c (split_double): Remove unnecessary casts.
15484         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
15485
15486 2004-07-20  Richard Henderson  <rth@redhat.com>
15487
15488         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
15489         (gimplify_compound_lval): Use is_gimple_tmp_reg.
15490         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
15491         (is_gimple_tmp_reg): New.
15492         * tree-gimple.h (is_gimple_tmp_reg): Declare.
15493
15494 2004-07-20  Richard Henderson  <rth@redhat.com>
15495
15496         * tree-pretty-print.c (dump_generic_node): Dump
15497         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
15498
15499 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
15500
15501         * tree-mudflap.c (mf_set_options_fndecl): New tree.
15502         (mudflap_init): Set it.
15503         (mudflap_register_call): Remove __mf_init call.
15504         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
15505         to pass "-ignore-reads" option to libmudflap if needed.
15506
15507 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
15508
15509         PR c++/14607
15510         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
15511         (MAKE_DECL_ONE_ONLY): Undefine.
15512         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
15513         readonly_data, one_only_data_section, forget_section): New prototypes.
15514         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
15515         functions.
15516         (pa_select_section): Add one-only (COMDAT) support.
15517         * pa.h (struct machine_function): Define.
15518         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
15519         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
15520         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
15521         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
15522         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
15523         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
15524         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
15525         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
15526         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
15527         for EXTRA_SECTION_FUNCTIONS.
15528         * doc/install.texi: Update binutils requirements.
15529
15530 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
15531
15532         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
15533         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
15534         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
15535         size_t.
15536         (struct VEC): Use unsigned for num and alloc.
15537         * vec.c (struct vec_prefix): Likewise.
15538         (vec_o_reserve): Adjust.
15539
15540         * dbxout.c (dbxout_type): Fix printf format.
15541
15542         * tree.h (binfo_member): Remove.
15543         * tree.c (binfo_member): Remove.
15544
15545 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
15546
15547         * tree.h: Include vec.h
15548         (DEF_VEC_P(tree)): New type.
15549         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
15550         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
15551         (BINFO_LANG_SLOT): Remove.
15552         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
15553         (struct tree_binfo): Turn base_binfos into a trailing
15554         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
15555         (binfo_lang_slots): Remove.
15556         * tree.c (binfo_lang_slots): Remove.
15557         (make_tree_binfo_stat): Take a base binfo count, not a
15558         lang slot count.  Adjust.
15559         * Makefile.in (TREE_H): Add vec.h
15560         * alias.c (record_component_aliases): Adjust BINFO access.
15561         * dbxout.c (dbxout_type): Likewise.
15562         * dwarf2out.c (gen_member_die): Likewise.
15563         * sdbout.c (sdbout_one_type): Likewise.
15564         * tree-dump.c (deque_and_dump): Likewise.
15565         * config/i386/i386.c (classify_argument,
15566         contains_128bit_aligned_vector_p): Likewise.
15567         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
15568         * doc/c-tree.texi (Classes): Update BINFO documentation.
15569
15570 2004-07-20  Steven Bosscher  <stevenb@suse.de>
15571
15572         * c-common.h (check_case_value): Remove prototype.
15573         (c_add_case_label): Adjust prototype.
15574         * c-common.c (check_case_value): Make static.
15575         (check_case_bounds): New function.
15576         (c_add_case_label): Use it.  Take new argument orig_type.
15577         * c-typeck.c (struct c_switch): New orig_type field.
15578         (c_start_case): Set it.
15579         (do_case): Pass it to c_add_case_label.
15580         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
15581         cases from here.  Add the labels in reverse order.
15582         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
15583         (add_case_node): Return nothing, don't check for duplicate cases.
15584         Insert new case nodes in a list, not in an AVL tree.
15585         (expand_end_case_type): Don't turn a case tree into a case list.
15586         (case_tree2list): Remove.
15587         * tree.h (add_case_node): Adjust prototype.
15588
15589 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
15590
15591         * genattr.c (struct range, struct function_unit,
15592         write_units, extend_range, init_range): Remove them.
15593         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
15594         Output "#define INSN_SCHEDULING" here.
15595         * genattrtab.c (struct range, struct function_unit_op,
15596         struct function_unit, struct dimension, enum operator,
15597         operate_exp, expand_units, simplify_knowing,
15598         encode_units_mask, simplify_by_exploding,
15599         find_and_mark_used_attributes, unmark_used_attributes,
15600         add_values_to_cover, increment_current_value,
15601         test_for_current_value, simplify_with_current_value,
15602         simplify_with_current_value_aux, gen_unit,
15603         write_unit_name, write_function_unit_info,
15604         write_complex_function, write_toplevel_expr,
15605         find_single_value, extend_range): Remove.
15606         (write_attr_get): Do not handle common_av->value
15607         being an FFS.
15608         (struct attr_desc): Remove func_units_p and blockage_p.
15609         (write_attr_valueq): Do not handle them.
15610         (find_attr): Do not clear them.
15611         (make_internal_attr): Do not initialize them.
15612         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
15613         * sched-vis.c (init_target_units, insn_print_units,
15614         init_block_visualization, print_block_visualization,
15615         visualize_scheduled_insns, visualize_no_unit,
15616         visualize_stall_cycles, visualize_alloc,
15617         visualize_free, target_units, get_visual_tbl_length,
15618         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
15619         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
15620         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
15621         * haifa-sched.c (blockage_range, clear_units,
15622         schedule_unit, actual_hazard, potential_hazard,
15623         insn_unit, unit_last_insn, unit_tick,
15624         actual_hazard_this_instance, potential_hazard,
15625         schedule_unit, max_insn_queue_index_value): Remove.
15626         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
15627         max_insn_queue_index.
15628         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
15629         * doc/md.texi (Processor pipeline description): Remove
15630         references to old pipeline descriptions.
15631         (Automaton pipeline description): Merge with the above.
15632         (Old pipeline description, Comparison of the two descriptions):
15633         Remove.
15634
15635         * bt-load.c (migrate_btr_def): Remove references to
15636         use_pipeline_interface.
15637         * haifa-sched.c (insn_cost, schedule_insn,
15638         schedule_block, advance_one_cycle, sched_init,
15639         queue_to_ready, sched_finish): Likewise.
15640         * modulo-sched.c (sms_schedule, advance_one_cycle,
15641         ps_has_conflicts): Likewise.
15642         * sched-rgn.c (init_ready): Likewise.
15643         (debug_dependencies): Likewise, and remove an "if (1)".
15644         * target.h (use_dfa_pipeline_interface): Remove.
15645         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15646         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15647         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15648         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15649         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15650         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15651         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15652         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15653         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15654         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15655         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15656         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15657         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15658         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15659         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15660         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15661         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15662         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15663         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15664
15665 2004-07-19  Roger Sayle  <roger@eyesopen.com>
15666
15667         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
15668
15669 2004-07-19  Jeff Law  <law@redhat.com>
15670
15671         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
15672         (get_eq_expr_value): Use it.  Simplify slightly.
15673
15674 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
15675
15676         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
15677         (umulsidi3_32bit_r4000): Likewise.
15678
15679 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
15680
15681         * vec.h: Propagate location information properly.
15682         (VEC_T_iterate): Add result pointer parameter.
15683         (VEC_T_space): New.
15684         (VEC_T_reserve): Use it.
15685
15686 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
15687
15688         * Makefile.in (c-format.o): Depend on c-format.h.
15689         * c-format.h: New file.
15690         (struct format_char_info): Add CHAIN member.
15691         * c-format.c: Move some types and constants to c-format.h.
15692         (format_type_error): Set to -1.
15693         (struct function_format_info): Use an int for format_type.
15694         (decode_format_type): Return an int.  Return format_type_error
15695         on error.
15696         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
15697         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
15698         (scan_char_table, time_char_table, monetary_char_table): Initialize
15699         CHAIN to NULL.
15700         (n_format_types): New variable.
15701         (check_format_info_main): Handle CHAIN in format_char_info.
15702         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
15703         TARGET_N_FORMAT_TYPES.
15704         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
15705         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
15706         * config/sol2-c.c: New file.
15707         * config/t-sol2: New file.
15708         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
15709         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
15710         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
15711
15712         * doc/extend.texi (Target Format Checks): New section.
15713         (Function Attributes): Mention it.
15714         * doc/invoke.texi: Mention target format checks.
15715         * doc/sourcebuild.texi: Mention target format checks.
15716         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
15717         TARGET_FORMAT_TYPES.
15718
15719 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
15720
15721         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
15722         added.
15723         * config/s390/s390.c (regclass_map initializer): Register 35 added to
15724         ADDR_REGS.
15725         (load_multiple_operation, store_multiple_operation): Removed
15726         pointless sanity check.
15727         (s390_decompose_address): Added check for return_address_pointer_rtx.
15728         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
15729         (s390_return_address_offset): New function.
15730         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
15731         (FRAME_REGNO_P): Added check for register 35.
15732         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
15733         REG_ALLOC_ORDER): Appended entry for register 35.
15734         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
15735         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
15736         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
15737         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
15738         is eliminable using stack pointer or hard frame pointer.
15739         (REGISTER_NAMES): Added name for register 35.
15740         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
15741         pointless sanity check.
15742
15743 2004-07-19  Roger Sayle  <roger@eyesopen.com>
15744
15745         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
15746         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
15747         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
15748         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
15749         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
15750         (fold_relational_const): Tidy up handling of floating point
15751         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
15752         transformation; fold_relational_const assumes constant operands.
15753
15754 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
15755
15756         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
15757         directory.
15758
15759 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
15760
15761         * c-tree.h (struct c_expr): Define.
15762         (C_SET_EXP_ORIGINAL_CODE): Remove.
15763         (parser_build_binary_op, build_compound_expr): Update prototypes.
15764         * c-parse.in (%union): Add exprtype.
15765         (FUNC_NAME): Mark as ttype.
15766         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
15767         exprtype.
15768         (expr): Update.  Define directly in terms of expr_no_commas
15769         instead of using nonnull_exprlist.
15770         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
15771         offsetof_member_designator, typespec_nonreserved_nonattr, init,
15772         initval, designator, component_declarator,
15773         component_notype_declarator, enumerator, array_declarator,
15774         condition, exexpr, switch_statement, stmt_nocomp, stmt,
15775         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
15776         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
15777         where appropriate.
15778         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
15779         * c-common.c (c_common_truthvalue_conversion): Don't check
15780         C_EXP_ORIGINAL_CODE.
15781         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
15782         Don't use C_EXP_ORIGINAL_CODE.
15783         (default_conversion, default_function_array_conversion): Don't use
15784         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
15785         (internal_build_compound_expr): Merge into build_compound_expr.
15786         (build_compound_expr): Take two operands instead of a TREE_LIST.
15787         * objc/objc-act.c (get_super_receiver): Update calls to
15788         build_compound_expr.
15789
15790 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
15791
15792         * config/sh/sh.c (sh_use_dfa_interface): Remove.
15793         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
15794         hook_int_void_1.
15795         * config/sh/sh.md: Extract pipeline descriptions
15796         into separate files.
15797         * config/sh/sh1.md: New file, extracted from sh.md.
15798         * config/sh/sh4.md: New file, extracted from sh.md.
15799         * config/sh/shmedia.md: New file, extracted from sh.md
15800         and rewritten using new-style pipeline description.
15801
15802 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
15803
15804         * config/pa/pa.md: Delete the two remaining define_peephole
15805         patterns.
15806
15807 2004-07-18  Steven Bosscher  <stevenb@suse.de>
15808             Joseph S. Myers  <jsm@polyomino.org.uk>
15809
15810         * c-common.c (c_common_truthvalue_conversion): Don't warn if
15811         TREE_NO_WARNING is set.
15812
15813 2004-07-18  Roger Sayle  <roger@eyesopen.com>
15814
15815         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
15816         simplify_builtin_strncmp): Delete.
15817         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
15818         Change argument to accept an arglist instead of an "exp".  Assume
15819         that the return type is always integer_type_node.  Copy missing
15820         transformations from their now obsolete simplify_builtin_*
15821         equivalents.
15822         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
15823         fold_builtin_strcmp and fold_builtin_strncmp.
15824         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
15825         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
15826         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
15827
15828 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
15829
15830         * Makefile.in (tree-alias-common.o): Update dependencies.
15831
15832 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
15833
15834         * cfgloop.c (flow_loop_nested_p): Fix comment.
15835
15836 2004-07-17  Jason Merrill  <jason@redhat.com>
15837
15838         PR c++/16115
15839         * stor-layout.c (relayout_decl): New fn.
15840         * tree.h: Declare it.
15841         (DECL_BY_REFERENCE): New macro.
15842
15843 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
15844
15845         * libgcc2.c (__enable_execute_stack): New symbol.
15846         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
15847         and declare __enable_execute_stack.
15848         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
15849         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
15850         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
15851         ENABLE_EXECUTE_STACK.
15852         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
15853         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
15854         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
15855         ENABLE_EXECUTE_STACK.
15856         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15857         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
15858         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
15859         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
15860         ENABLE_EXECUTE_STACK.
15861         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15862         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15863         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15864         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15865         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
15866         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
15867         (sparc64_initialize_trampoline): Likewise.
15868         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
15869
15870 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
15871
15872         * langhooks.h (builtin_function): New langhook.
15873         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
15874         (LANG_HOOKS_INITIALIZER): Update.
15875         * tree.h (builtin_function): Remove.
15876         * doc/tm.texi: Update.
15877         * c-tree.h (builtin_function): Declare.
15878         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
15879         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
15880         config/ia64/ia64.c, config/iq2000/iq2000.c,
15881         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
15882         config/stormy16/stormy16.c: All callers of builtin_function
15883         changed.
15884
15885 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
15886
15887         PR target/16556
15888         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
15889         Remove white space after the backslash.
15890
15891 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15892
15893         PR rtl-optimization/16294
15894         * resource.c (return_insn_p): New predicate.
15895         (mark_target_live_regs): Use it.  Special-case return insns.
15896         (init_resource_info): Use it.  Don't scan the epilogue past
15897         a return.
15898
15899 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
15900
15901         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
15902         destroy dominance information.
15903         * passes.c (rest_of_handle_loop2):  Free dominance information.
15904         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
15905         jump threading.
15906         (thread_jumps): Update dominance information and remove unreachable
15907         blocks.
15908         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
15909         information and remove the unreachable block.
15910
15911 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
15912
15913         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
15914
15915 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
15916
15917         * doc/sourcebuild.texi: Remove libf2c entry.
15918
15919 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
15920
15921         * config/i386/i386.md (movv16qi_internal): Fix typo.
15922
15923 2004-07-17  Steven Bosscher  <stevenb@suse.de>
15924
15925         * final.c (final_scan_insn): Fix broken commit from previous
15926         patch.
15927
15928 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
15929
15930         * c-typeck.c (parser_build_binary_op): Condition warnings for
15931         X<=Y<=Z on -Wparentheses instead of -Wextra.
15932         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
15933         supported for C only.
15934
15935 2004-07-17  Steven Bosscher  <stevenb@suse.de>
15936
15937         * cfgcleanup.c (try_simplify_condjump): Don't remove line
15938         notes to avoid unreachable code warnings.
15939         * toplev.c (backend_init): Don't emit line notes for
15940         unreachable code warnings.
15941
15942         * combine.c (distribute_notes): Don't distribute a
15943         REG_VTABLE_REF note.
15944         * final.c (final_scan_insn): Don't handle it.
15945         * rtl.c (reg_note_name): Remove it.
15946         * rtl.h (enum reg_node): Dito.
15947
15948         * emit-rtl.c (force_line_numbers, restore_line_number_status):
15949         Remove.
15950         * rtl.h (force_line_numbers, restore_line_number_status):
15951         Remove prototypes.
15952
15953         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
15954         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
15955         (using_eh_for_cleanups): Also moved here.
15956
15957         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
15958         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
15959         to expand_start_case and add_case_node.
15960         * stmt.c (struct nesting): Cleanup unused fields condition_code,
15961         last_unconditional_cleanup, nominal_type, printname, and
15962         line_number_status.
15963         (struct fixup_goto): Remove.
15964         (struct stmt_status): Remove x_goto_fixup_chain field.
15965         (goto_fixup_chain): Remove.
15966         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
15967         pushcase, pushcase_range): Remove.
15968         (expand_start_bindings_and_block): Don't set unused fields in
15969         the nesting stack.
15970         (expand_start_case, add_case_node): Cleanup unused formal arguments.
15971         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
15972         instead of emit_jump_if_reachable.
15973         (emit_case_nodes): Likewise.
15974         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
15975         static.
15976         (update_eh_label): Work around left-over exception handing regions.
15977         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
15978         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
15979         (pass_cleanup_cfg_post_optimizing): New pass.
15980         (init_tree_optimization_passes): Run the new pass after all
15981         optimizations.
15982         * tree.h (pushcase, pushcase_range): Remove prototypes.
15983         (expand_start_case, add_case_node): Update prototypes.
15984
15985 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
15986
15987         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
15988
15989 2004-07-16  Richard Henderson  <rth@redhat.com>
15990
15991         * builtins.c (std_expand_builtin_va_arg): Remove.
15992         (expand_builtin_va_arg): Remove.
15993         * expr.h: Don't declare them.
15994         * gimplify.c (mark_decls_volatile_r): Remove.
15995         (copy_if_shared_r): Don't call it.
15996         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
15997         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
15998         * gimple-low.c (lower_stmt): Likewise.
15999         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
16000         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
16001         * tree-ssa-operands.c (get_expr_operands): Likewise.
16002         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
16003         EXPAND_BUILTIN_VA_ARG.
16004         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
16005         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
16006         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
16007         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
16008
16009 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
16010
16011         * tree-ssa-pre.c (insert_aux): Break out if we hit
16012         a critical edge.
16013
16014 2004-07-16  Richard Henderson  <rth@redhat.com>
16015
16016         * basic-block.h (remove_fake_exit_edges): Declare.
16017         * cfganal.c (remove_fake_predecessors): Rename from
16018         remove_fake_successors; iterate over predecessors.
16019         (remove_fake_exit_edges): New.
16020         * cfgcleanup.c (try_optimize_cfg): Use it.
16021         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
16022         * predict.c (estimate_probability): Likewise.
16023         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
16024         * tree-cfg.c (make_edges): Likewise.
16025         * tree-ssa-pre.c (fini_pre): Likewise.
16026         * profile.c (instrument_edges): Don't remove_fake_edges.
16027         (branch_prob): Do it earlier here.
16028
16029 2004-07-16  Richard Henderson  <rth@redhat.com>
16030
16031         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
16032         switchification wrt CONSTRUCTOR.  Document the reason.
16033
16034 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
16035
16036         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
16037         that prevented descriptive __mf_check source location strings.
16038
16039 2004-07-16  Richard Henderson  <rth@redhat.com>
16040
16041         * tree-def (WITH_SIZE_EXPR): New.
16042         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
16043         * expr.c (expand_expr_real_1): Likewise.
16044         * gimplify.c (maybe_with_size_expr): New.
16045         (gimplify_arg, gimplify_modify_expr): Use it.
16046         (gimplify_modify_expr_to_memcpy): Take size parameter.
16047         (gimplify_modify_expr_to_memset): Likewise.
16048         (gimplify_expr): Handle WITH_SIZE_EXPR.
16049         * tree-alias-common.c (find_func_aliases): Likewise.
16050         * tree-eh.c (tree_could_trap_p): Likewise.
16051         (tree_could_throw_p): Likewise.
16052         * tree-gimple.c (is_gimple_lvalue): Likewise.
16053         (get_call_expr_in): Likewise.
16054         * tree-inline.c (estimate_num_insns_1): Likewise.
16055         (expand_calls_inline): Likewise.
16056         * tree-nested.c (convert_call_expr): Likewise.
16057         * tree-pretty-print.c (dump_generic_node): Likewise.
16058         * tree-sra.c (sra_walk_expr): Likewise.
16059         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
16060         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
16061         * tree-ssa-operands.c (get_expr_operands): Likewise.
16062         * tree-tailcall.c (find_tail_calls): Likewise.
16063
16064         * calls.c (expand_call): Reset old_stack_allocated after
16065         calling emit_stack_restore.
16066
16067 2004-07-16  Richard Henderson  <rth@redhat.com>
16068
16069         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
16070         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
16071         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
16072         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
16073         copy_res_decl_for_inlining.
16074
16075         * tree-inline.c (declare_return_variable): New modify_dest argument.
16076         Use it as the return value, when possible or manditory.  Handle
16077         TREE_ADDRESSABLE types.
16078         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
16079         replacement of CALL_EXPR.
16080
16081 2004-07-16  Richard Henderson  <rth@redhat.com>
16082
16083         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
16084         * gimple-low.c (expand_var_p): Don't check it.
16085         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
16086         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
16087         * tree-ssa-operands.c (add_stmt_operand): Likewise.
16088         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
16089         (find_referenced_vars): Don't call them.
16090         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
16091
16092 2004-07-16  Richard Henderson  <rth@redhat.com>
16093
16094         * function.c (pass_by_reference): True for all variable sized types.
16095
16096 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
16097
16098         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
16099         * tree-pretty-print.c: Include tree-chrec.h.
16100         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
16101         and POLYNOMIAL_CHREC nodes.
16102
16103 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
16104
16105         * builtins.c (expand_builtin_stpcpy): Do not create temporary
16106         reg with VOIDmode.
16107
16108 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
16109
16110         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
16111
16112 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
16113
16114         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
16115         to BASE_REGNUM.
16116         * config/s390/s390.c: Likewise.
16117         * config/s390/s390.h: Likewise.
16118
16119 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16120
16121         * config/mips/mips.md (addsi3, adddi3): Remove special handling
16122         of $sp adds.  Remove REGNO checks from mips16 patterns.
16123
16124 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16125
16126         * config/mips/mips.md: Delete outdated comment.
16127
16128 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16129
16130         * config/mips/mips.c (get_float_compare_codes): Delete.
16131         (mips_emit_compare): New function, mostly extracted from
16132         get_float_compare_codes and gen_conditional_branch.
16133         (gen_conditional_branch, gen_conditional_move): Use it.
16134
16135 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
16136
16137         * genautomata.c (add_vect): Speedup by using integers as
16138         bit-vectors for walking through the comb_vect and finding
16139         a match.
16140
16141 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16142
16143         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
16144         operand is an uns_arith_operand; use subtraction otherwise.
16145         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
16146         not just arith_operands.
16147
16148 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16149
16150         * config/mips/mips-protos.h (gen_int_relational): Delete.
16151         (mips_emit_scc): Declare.
16152         * config/mips/mips.c (internal_test): Delete.
16153         (sle_operand, sleu_operand): New functions.
16154         (map_test_to_internal_test, gen_int_relational): Delete.
16155         (mips_emit_binary, mips_relational_operand_ok_p)
16156         (mips_emit_int_relational, mips_zero_if_equal)
16157         (mips_emit_scc): New functions.
16158         (gen_conditional_branch): Rework to use mips_emit_int_relational.
16159         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
16160         sleu_operand.
16161         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
16162         (sltu, sleu): Use mips_emit_scc.
16163         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
16164         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
16165         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
16166
16167 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16168
16169         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
16170
16171 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16172
16173         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
16174         (*sne_[sd]i): Likewise sne_[sd]i_zero.
16175         (*sgt_[sd]i): ...and sgt_[sd]i.
16176         (*slt_[sd]i): ...and slt_[sd]i.
16177         (*sgtu_[sd]i): ...and sgtu_[sd]i.
16178         (*sltu_[sd]i): ...and sltu_[sd]i.
16179         (*sleu_[sd]i): ...and sleu_[sd]i_const.
16180         Name previously unnamed mips16 patterns.  Formatting fixes.
16181
16182 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16183
16184         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
16185         (branch_type): Delete.
16186         (gen_conditional_branch, gen_conditional_move)
16187         (mips_gen_conditional_trap): Update after name change.  Get the
16188         comparison mode from cmp_operands[0].
16189         * config/mips/mips.h (cmp_type, branch_type): Delete.
16190         (cmp_operands): Renamed from branch_cmp.
16191         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
16192         name change.  Don't set branch_type.
16193         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
16194         mode class of cmp_operands[0] rather than branch_type.  Update after
16195         name change.
16196
16197 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16198
16199         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
16200         of 0...255 to 0 when inside a SET.
16201
16202 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
16203
16204         * config/mips/mips.md: Remove mips16 define_peepholes.
16205
16206 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
16207
16208         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
16209         (fini_pre): Remove fake edges.
16210
16211 2004-07-15  Richard Henderson  <rth@redhat.com>
16212
16213         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
16214         (get_indirect_ref_operands, get_call_expr_operands): ... these.
16215
16216 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
16217
16218         * vec.h (VEC_address): New function.
16219
16220 2004-07-14  Jason Merrill  <jason@redhat.com>
16221
16222         PR middle-end/15885
16223         * gimplify.c (gimplify_arg): New fn, split out from...
16224         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
16225
16226 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
16227
16228         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
16229         generate code which is generated by pushqi1 now
16230         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
16231
16232 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
16233
16234         * combine.c (simplify_set): match the mode of the constant 0 with
16235         the tested operand to match the compare behaviour and the
16236         simplify_relational_operation() expectation.
16237
16238 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
16239
16240         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
16241         ("bordered"): Same.
16242
16243 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
16244
16245         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
16246         unconditionally.
16247         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
16248
16249 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
16250
16251         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
16252         calls in mips16 code.
16253
16254 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
16255
16256         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
16257         the destination of the li as well as for the neg.
16258
16259 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
16260
16261         g++/15861
16262         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
16263         * cgraph.h: Update declaration.
16264         * c-decl.c (build_cdtor): Update call with default priority.
16265         * coverage.c (create_coverage): Ditto.
16266         * tree-mudflap.c (mf_init_fndecl): New tree.
16267         (mudflap_init): Set it.
16268         (mudflap_register_call): Arrange to call __mf_init before the first
16269         __mf_register call.
16270         (mudflap_finish_file): Mark the mudflap static initializer as extra
16271         high priority, to beat all C++ static constructors.
16272
16273 2004-07-15  Jeff Law  <law@redhat.com>
16274
16275         * loop.c (check_insn_for_givs): Restore check for code labels that was
16276         accidentally deleted by a recent checkin.
16277
16278 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
16279
16280         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
16281         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
16282
16283 2004-07-14  Richard Henderson  <rth@redhat.com>
16284
16285         * print-tree.c (print_node): Fix casts last change.
16286
16287 2004-07-15  Paul Brook  <paul@codesourcery.com>
16288
16289         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
16290         to TARGET_UNWIND_INFO.
16291         * except.c (output_function_exception_table): Ditto.
16292         * except.h: Ditto.
16293         * opts.c (decode_options): Ditto.
16294         * passes.c (rest_of_handle_final): Ditto.
16295         * final.c (final_start_function): Ditto.
16296         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
16297         target hook.
16298         * targhooks.h (default_unwind_emit): Declare.
16299         * targhooks.c (default_unwind_emit): New function.
16300         * target-def.h: Define and use TARGET_UNWIND_EMIT.
16301         * target.h (struct gcc_target): Add unwind_emit.
16302         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
16303         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
16304         Remove IA64_UNWIND_EMIT.
16305         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
16306
16307 2004-07-14  Richard Henderson  <rth@redhat.com>
16308
16309         * print-tree.c (print_node): Handle SSA_NAME.
16310
16311 2004-07-14  James E Wilson  <wilson@specifixinc.com>
16312
16313         PR target/16325
16314         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
16315         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
16316
16317 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
16318
16319         * expr.c (expand_assignment): Reenable bitfield += optimizations.
16320         Use alias set 0 for memory, do proper mode calculations and adjust
16321         address for memories.
16322
16323 2004-07-14  Per Bothner  <per@bothner.com>
16324
16325         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
16326         structure with extra column field.
16327         * tree.c (expand_location):  Also fill in column field.
16328         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
16329         gets confused by the two conditionally-compiled definitions.
16330
16331 2004-07-14  Eric Christopher  <echristo@redhat.com>
16332
16333         * calls.c (expand_call): Fix typo in comment.
16334
16335 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
16336
16337         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
16338         comparision of TFmode.
16339
16340 2004-07-14  Richard Henderson  <rth@redhat.com>
16341
16342         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
16343         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
16344         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
16345         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
16346         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
16347         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
16348         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
16349         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
16350         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
16351
16352 2004-07-14  Mike Stump  <mrs@apple.com>
16353
16354         * config/darwin.h (WINT_TYPE): Define to be int to match
16355         system header files.
16356
16357 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
16358
16359         * config/xtensa/xtensa.c (function_arg_advance): Check for args
16360         that must be passed in the stack.
16361         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
16362         arguments if the size is not a constant.
16363
16364 2004-07-14  Per Bothner  <per@bothner.com>
16365
16366         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
16367         instead of EXPR_LOCUS in a boolean context, which is always true
16368         if --enable-mapped-location.
16369         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
16370
16371 2004-07-14  Richard Henderson  <rth@redhat.com>
16372
16373         * dominance.c (struct dom_info): Add fake_exit_edge.
16374         (init_dom_info): Allocate it.
16375         (free_dom_info): Free it.
16376         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
16377         in two passes.
16378         (calc_idoms): Honor fake_exit_edge.
16379
16380 2004-07-13  Jason Merrill  <jason@redhat.com>
16381
16382         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
16383         (rhs_test_for): New fn.
16384         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
16385         * tree-gimple.h: Declare them.
16386         * gimplify.c (gimplify_modify_expr): Use the new fns.
16387
16388 2004-07-14  Richard Henderson  <rth@redhat.com>
16389
16390         * config/arm/arm-protos.h (arm_va_arg): Remove.
16391         * config/arm/arm.c (arm_va_arg): Remove.
16392         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
16393         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
16394
16395 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16396
16397         * pa.c (fix_range): New function to mark a range(s) of registers as
16398         fixed registers.
16399         (override_options): Call fix_range if the -mfixed-range option string
16400         is not empty.
16401         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
16402         * doc/invoke.texi (-mfixed-range): Document new option.
16403
16404 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
16405
16406         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
16407         for TARGET_64BIT.
16408         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
16409
16410 2004-07-14  Roger Sayle  <roger@eyesopen.com>
16411
16412         * expmed.c (expand_sdiv_pow2): New function to expand signed division
16413         by a positive power of two, split out from expand_divmod.  Provide
16414         an alternate implementation when shifts are expensive.  Lower the
16415         threshold for using a branchless implementation to BRANCH_COST >= 2.
16416         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
16417
16418 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16419
16420         * tree-dfa.c (make_rename_temp): *Really* work just
16421         like create_tmp_var if called while outside SSA form.
16422
16423 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
16424
16425         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
16426         for division by zero.
16427         ("umodsi3"): Likewise.
16428
16429 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
16430
16431         * config/mips/mips.c (mips_output_move): When generating mips16 code,
16432         force loads of negative constants to be split.
16433         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
16434         Generalize SImode li/neg splitter to cope with other modes.
16435
16436 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16437
16438         * expmed.c: Remove more references to QUEUED in the comments.
16439         * expr.c: Likewise.
16440
16441 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
16442
16443         Revert:
16444         2004-07-13  Richard Henderson  <rth@redhat.com>
16445         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
16446         correctly.
16447
16448 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16449
16450         * tree-dfa.c (make_rename_temp): Work just like
16451         create_tmp_var if called while outside SSA form.
16452
16453 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16454
16455         * expr.c (enqueue_insn, finish_expr_for_function,
16456         protect_from_queue, queued_subexp_p, mark_queue,
16457         emit_insns_enqueued_after_mark, emit_queue,
16458         expand_increment): Remove.
16459         (store_constructor): Expand increment as an assignment.
16460         (expand_expr_real_1 <case PREINCREMENT_EXPR,
16461         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
16462         case POSTDECREMENT_EXPR>): Abort.
16463         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
16464         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
16465         protect_from_queue, emit_queue, queued_subexp_p): Remove.
16466         * function.h (pending_chain, x_pending_chain): Remove.
16467         * rtl.def (QUEUED): Remove.
16468
16469         * emit-rtl.c (copy_insn_1, copy_most_rtx,
16470         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
16471         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
16472         encode_units_mask): Likewise.
16473         * local-alloc.c (equiv_init_varies_p): Likewise.
16474         * rtl.c (copy_rtx): Likewise.
16475         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
16476         * simplify-rtx.c (simplify_gen_subreg): Likewise.
16477         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
16478
16479         * builtins.c (expand_builtin, expand_builtin_apply,
16480         expand_builtin_mathfn, expand_builtin_mathfn_2,
16481         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
16482         Remove calls to emit_queue and protect_from_queue.
16483         * calls.c (expand_call, precompute_arguments,
16484         precompute_register_parameters, rtx_for_function_call,
16485         store_one_arg): Likewise.
16486         * dojump.c (do_compare_and_jump, do_jump): Likewise.
16487         * explow.c (memory_address): Likewise.
16488         * expmed.c (clear_by_pieces_1, clear_storage,
16489         clear_storage_via_libcall, emit_group_load,
16490         emit_group_store, emit_store_flag,
16491         expand_expr_real_1, store_by_pieces,
16492         store_constructor, store_expr, try_casesi,
16493         try_tablejump): Likewise.
16494         * function.c (expand_pending_sizes): Likewise.
16495         * optabs.c (emit_cmp_and_jump_insns,
16496         emit_conditional_add, emit_conditional_move,
16497         expand_fix, expand_float, prepare_cmp_insn): Likewise.
16498         * stmt.c (emit_case_bit_tests,
16499         expand_asm_expr, expand_computed_goto,
16500         expand_decl_init, expand_end_case_type,
16501         expand_end_stmt_expr, expand_expr_stmt_value,
16502         expand_return, expand_start_case,
16503         optimize_tail_recursion): Likewise.
16504         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
16505         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
16506
16507 2004-07-14  Ben Elliston  <bje@au.ibm.com>
16508
16509         * vec.h: Comment fix.
16510
16511 2004-07-13  Richard Henderson  <rth@redhat.com>
16512
16513         * target.h (struct gcc_target): Add calls.pass_by_reference.
16514         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
16515         * function.c (pass_by_reference): Use the hook.
16516         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
16517         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
16518         (hook_pass_by_reference_must_pass_in_stack): New.
16519         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
16520         (alpha_pass_by_reference): New.
16521         (TARGET_PASS_BY_REFERENCE): New.
16522         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16523         * config/arc/arc.c (arc_pass_by_reference): New.
16524         (TARGET_PASS_BY_REFERENCE): New.
16525         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16526         (FUNCTION_ARG_CALLEE_COPIES): True.
16527         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
16528         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
16529         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
16530         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16531         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16532         * config/cris/cris.c (cris_pass_by_reference): New.
16533         (TARGET_PASS_BY_REFERENCE): New.
16534         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
16535         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
16536         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16537         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
16538         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16539         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
16540         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
16541         (frv_function_arg_pass_by_reference): Remove.
16542         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16543         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
16544         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
16545         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
16546         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16547         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
16548         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
16549         (ia64_pass_by_reference): Rename from
16550         ia64_function_arg_pass_by_reference.
16551         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16552         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16553         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
16554         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
16555         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
16556         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16557         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16558         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
16559         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
16560         (m32r_pass_by_reference): Adjust prototype.  Make static.
16561         Handle mode sizes correctly.
16562         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16563         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
16564         (m68hc11_function_arg_pass_by_reference): Remove.
16565         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16566         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16567         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
16568         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16569         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
16570         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
16571         (mips_va_arg): Use pass_by_reference.
16572         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
16573         Handle mode sizes correctly.
16574         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16575         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16576         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
16577         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
16578         (mmix_pass_by_reference): Rename from
16579         mmix_function_arg_pass_by_reference.
16580         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16581         (FUNCTION_ARG_CALLEE_COPIES): True.
16582         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
16583         (mn10300_pass_by_reference): New.
16584         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16585         (FUNCTION_ARG_CALLEE_COPIES): True.
16586         * config/pa/pa.c (pa_pass_by_reference): New.
16587         (TARGET_PASS_BY_REFERENCE): New.
16588         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16589         (FUNCTION_ARG_CALLEE_COPIES): True.
16590         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
16591         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
16592         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
16593         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16594         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
16595         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
16596         (s390_pass_by_reference): Rename from
16597         s390_function_arg_pass_by_reference.
16598         (s390_function_arg_advance): Don't query pass-by-ref.
16599         (s390_function_arg): Likewise.
16600         (s390_gimplify_va_arg): Use pass_by_reference.
16601         (s390_call_saved_register_used): Likewise.
16602         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16603         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
16604         (shcompact_byref, sh_pass_by_reference): New.
16605         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16606         (SHCOMPACT_BYREF): Remove.
16607         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
16608         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
16609         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
16610         (sparc_gimplify_va_arg): Use pass_by_reference.
16611         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16612         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16613         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
16614         (v850_pass_by_reference): New.
16615         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16616         (FUNCTION_ARG_CALLEE_COPIES): True.
16617         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
16618         FUNCTION_ARG_PASS_BY_REFERENCE docs.
16619
16620 2004-07-14  Richard Henderson  <rth@redhat.com>
16621             Richard Sandiford  <rsandifo@redhat.com>
16622
16623         * config/mips/mips-protos.h (mips_va_arg): Delete.
16624         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
16625         * config/mips/mips.c: Include tree-gimple.h.
16626         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
16627         (mips_arg_info): Remove special handling of must_pass_in_stck args.
16628         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
16629         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
16630
16631 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
16632
16633         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
16634         arguments for COND_EXPR in big-endian adjustment code.
16635
16636 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16637
16638         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
16639         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
16640         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
16641         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
16642
16643 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
16644
16645         PR tree-optimization/16443
16646         * tree-ssa-alias.c: Add more description for
16647         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
16648         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
16649         clobbering of call-clobbered and addressable variables.  If
16650         there are any before aliases have been computed, add them.
16651
16652 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
16653
16654         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
16655         verification.
16656
16657 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
16658
16659         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
16660         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
16661         to the same type.
16662
16663 2004-07-13  Per Bothner  <per@bothner.com>
16664
16665         * collect2.c (main):  Handle --no-demangle and --demangle flags.
16666
16667 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
16668
16669         * Makefile.in (OBJS-common): Add tree-data-ref.o.
16670         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
16671         (tree-data-ref.o): New rule.
16672         * lambda.h: New file.
16673         * tree-data-ref.c: New file.
16674         * tree-data-ref.h: New file.
16675         * tree.c (int_cst_value, tree_fold_gcd): New functions.
16676         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
16677
16678 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
16679
16680         PR target/13926
16681         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
16682         * config/sparc/sparc.c (output_ubranch): New function.
16683         * config/sparc/sparc.md (jump pattern): Use it.
16684
16685 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
16686
16687         PR target/16494
16688         * config/sparc/sparc.c (output_cbranch): Properly guard
16689         the code handling far branches with TARGET_V9.
16690         * config/sparc/sparc.md (length attribute): Document the
16691         side-effect of having a length greater or equal to 3.
16692
16693 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
16694             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
16695
16696         PR target/15186
16697         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
16698         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
16699
16700 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
16701             Martin Sebor  <sebor@roguewave.com>
16702
16703         PR target/12602
16704         * doc/invoke.texi (SPARC options): Document -threads
16705         and -pthreads on Solaris.
16706
16707 2004-07-13  Richard Henderson  <rth@redhat.com>
16708
16709         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
16710         by reference.
16711         (ind_gimplify_va_arg_expr): Remove.
16712         * tree.h (ind_gimplify_va_arg_expr): Remove.
16713         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
16714         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
16715         argsp to be null.
16716
16717         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
16718         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
16719         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
16720         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
16721         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
16722
16723 2004-07-13  Richard Henderson  <rth@redhat.com>
16724
16725         * function.c (pass_by_reference): New.
16726         (assign_parm_find_data_types): Use it.
16727         * calls.c (initialize_argument_information): Likewise.
16728         (emit_library_call_value_1): Likewise.
16729         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16730         * function.h (pass_by_reference): Declare.
16731
16732 2004-07-13  Richard Henderson  <rth@redhat.com>
16733
16734         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
16735         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
16736         * expr.h (MUST_PASS_IN_STACK): Remove.
16737         * system.h (MUST_PASS_IN_STACK): Poison.
16738         * tree.h (must_pass_in_stack_var_size): Declare.
16739         (must_pass_in_stack_var_size_or_pad): Declare.
16740         * calls.c (must_pass_in_stack_var_size): New.
16741         (must_pass_in_stack_var_size_or_pad): Rename from
16742         default_must_pass_in_stack.
16743         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
16744         (TARGET_MUST_PASS_IN_STACK): New.
16745         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
16746         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
16747         (TARGET_MUST_PASS_IN_STACK): New.
16748         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
16749         * config/frv/frv.c (frv_must_pass_in_stack): New.
16750         (TARGET_MUST_PASS_IN_STACK): New.
16751         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
16752         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
16753         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
16754         (ix86_must_pass_in_stack): Make static.
16755         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
16756         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
16757         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
16758         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
16759         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
16760         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
16761         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
16762         (mcore_must_pass_on_stack): Remove.
16763         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
16764         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
16765         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
16766         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
16767         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
16768         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
16769         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
16770         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
16771         (TARGET_MUST_PASS_IN_STACK): New.
16772         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
16773         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
16774         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
16775         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
16776         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
16777         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
16778         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
16779         MUST_PASS_IN_STACK.
16780
16781         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
16782         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
16783         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
16784         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
16785         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
16786         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
16787         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
16788         config/xtensa/xtensa.c: Use target hook.
16789
16790 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
16791
16792         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
16793         * configure: Rebuilt.
16794
16795 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
16796
16797         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
16798         * config/mips/mips.h (mips_reg_names): Don't declare.
16799         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
16800         (TARGET_NAME_REGS): Delete.
16801         (TARGET_SWITCHES): Remove -mrnames.
16802         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
16803         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
16804         in REGISTER_NAMES.
16805         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
16806         (override_options): Remove handling of TARGET_NAME_REGS.
16807
16808 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
16809
16810         * config/mips/mips.h (TARGET_*): Boolify.
16811
16812 2004-07-12  Nick Clifton  <nickc@redhat.com>
16813
16814         * config.gcc: Add sh-*-symbianelf target.
16815         * config/sh/sh.c: Add new target macros:
16816         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
16817         TARGET_CXX_IMPORT_EXPORT_CLASS.
16818         (sh_file_start): Create a definition of the .directive section.
16819         (sh_attribute): Add dllimport and dllexport attributes.
16820         * config/sh/symbian-pre.h: New file.
16821         * config/sh/symbian-post.h: New file.
16822         * config/sh/symbian.c: New file. Contains Symbian specific
16823         functions.
16824         * config/sh/sh-protos.h: Add prototypes for new functions
16825         provided by symbian.c.
16826         * config/sh/t-symbian: New file.
16827         * doc/extend.texi: Document support for dllimport and dllexport
16828         attributes by the sh-symbianelf target.
16829
16830 2004-07-12  James E Wilson  <wilson@specifixinc.com>
16831
16832         * Makefile.in (AR): Use @AR@ not ar.
16833         (NM): New.
16834         (AR_FOR_TARGET): Use $(AR) not ar for native.
16835         (NM_FOR_TARGET): Use $(NM) not nm for native.
16836         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
16837         * configure: Regenerate.
16838
16839 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
16840
16841         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
16842         special case.
16843         (ashldi3_sp64): Likewise.
16844
16845 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16846
16847         PR target/16477
16848         * pa.c (function_arg): Update comment.
16849         * pa.h (BLOCK_REG_PADDING): Define.
16850
16851 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16852
16853         PR tree-optimization/16461
16854         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
16855         arguments of phi nodes.
16856
16857 2004-07-12  Devang Patel  <dpatel@apple.com>
16858
16859         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
16860
16861 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
16862
16863         * function.c (expand_function_start): Ensure r_save is in Pmode.
16864         * calls.c (prepare_call_address): Ensure static_chain_value is
16865         in Pmode.
16866         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
16867         r_save_area are in Pmode.
16868         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
16869         fnaddr, and static_chain are in Pmode.
16870
16871 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
16872
16873         PR target/16445
16874         * config/ia64/ia64.c (bundling): Don't count ignored insns.
16875
16876 2004-07-12  Richard Henderson  <rth@redhat.com>
16877
16878         * target.h (struct gcc_target): Move gimplify_va_arg_expr
16879         next to build_builtin_va_list.
16880         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
16881         * builtins.c (gimplify_va_arg_expr): Likewise.
16882         * gimplify.c (copy_if_shared_r): Likewise.
16883
16884 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
16885
16886         * passes.c (rest_of_decl_compilation): Don't defer call of
16887         assemble_variable if its DECL_RTL is already set.
16888
16889 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
16890
16891         * cfgloop.h (struct loop): Add nb_iterations field.
16892         (current_loops): Declare.
16893         * tree-chrec.c (chrec_not_analyzed_yet,
16894         chrec_dont_know, chrec_known, count_ev_in_wider_type,
16895         chrec_contains_symbols_defined_in_loop): Remove the temporary
16896         hooks.
16897         * tree-flow-inline.h (loop_containing_stmt): New function.
16898         * tree-scalar-evolution.c: Add implementation.
16899         * tree-scalar-evolution.h: Add declarations.
16900
16901 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
16902
16903         PR rtl-optimization/15921
16904         * Makefile.in (global.o): Add recog.h.
16905
16906         * global.c (recog.h): Add the include-clause.
16907         (bb_info): New member earlyclobber.
16908         (allocate_bb_info, free_bb_info): Initialize/finish the new
16909         member.
16910         (earlyclobber_regclass, earlyclobber_regclass_length): The new
16911         global variables.
16912         (check_earlyclobber, regclass_intersect,
16913         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
16914         New functions.
16915         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
16916         (make_accurate_live_analysis): Modify pavin.
16917
16918 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
16919
16920         * tree-cfg.c (find_taken_edge): Statically compute the truth
16921         value of a predicate comparing an SSA_NAME to itself.
16922
16923 2004-07-12  Roger Sayle  <roger@eyesopen.com>
16924
16925         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
16926         rs6000 doesn't have shift-and-add or shift-and-sub instructions
16927         by returning the cost of a multiplication plus an addition.
16928
16929 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
16930
16931         PR tree-optimization/14107
16932         * gimplify.c (gimplify_return_expr): Accept a
16933         RETURN_EXPR with an error argument.
16934         * tree-optimize.c (init_tree_optimization_passes):
16935         Run pass_warn_function_return at -O0.
16936
16937 2004-07-12  Roger Sayle  <roger@eyesopen.com>
16938
16939         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
16940         index entry.
16941
16942 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
16943
16944         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
16945         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16946         * config/mips/3000.md: Add copyright notice.  Remove automota and
16947         function units; use generic ones instead.  Only define reservations
16948         for things that are different from generic.md.  Extend each clause
16949         to include r3900.
16950         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
16951         * config/mips/mips.md: Include them. Remove define_function_units.
16952         (alu, imuldiv): New automata and units.
16953
16954 2004-07-12  Ben Elliston  <bje@au.ibm.com>
16955
16956         * doc/invoke.texi (Optimize Options): Document -frename-registers
16957         not being enabled by default at -O3.
16958
16959 2004-07-11  Roger Sayle  <roger@eyesopen.com>
16960
16961         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
16962         floating point additions, to keep real immediate constant positive.
16963         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
16964         into X + C, and leave positive real constants as X - C.
16965
16966 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16967
16968         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
16969
16970 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16971
16972         PR tree-optimization/15654
16973         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
16974
16975 2004-07-11  Roger Sayle  <roger@eyesopen.com>
16976
16977         * builtins.c (fold_builtin_fputs): Don't bother converting the
16978         return type to integer_type_node, as we've already checked that
16979         the result will be ignored.
16980
16981         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
16982         that signed addition, subtraction, multiplication, division,
16983         remainder, negation and absolute value may potentially trap.
16984
16985         * fold-const.c (fold_ignored_result): New function to strip
16986         non-side-effecting tree nodes from an expression whose result
16987         is ignored.
16988         (fold_convert): Call fold_ignored_result when casting a value
16989         to VOID_TYPE.
16990         (omit_one_operand):  Call fold_ignored_result on the "omitted"
16991         operand when building a COMPOUND_EXPR.
16992         (pedantic_omit_one_operand): Likewise.
16993         * tree.h (fold_ignored_result): Prototype here.
16994         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
16995         when we're going to ignore the result.
16996
16997 2004-07-11  Richard Henderson  <rth@redhat.com>
16998
16999         PR tree-opt/16383
17000         * tree-ssa-ccp.c (fold_stmt_r): Split out...
17001         * tree.c (fields_compatible_p, find_compatible_field): ... new.
17002         * tree.h (fields_compatible_p, find_compatible_field): Declare.
17003         * tree-sra.c (sra_hash_tree): Hash fields by offset.
17004         (sra_elt_eq): Use fields_compatible_p.
17005         (generate_one_element_ref): Use find_compatible_field.
17006
17007 2004-07-11  Richard Henderson  <rth@redhat.com>
17008
17009         PR tree-opt/16422
17010         * tree-sra.c (generate_one_element_init): New.
17011         (generate_element_init): Use it.
17012         (scalarize_init): Push/pop gimplify context around it.
17013         (find_new_referenced_vars_1, find_new_referenced_vars): New.
17014         * gimplify.c (gimplify_expr): Allow SSA_NAME.
17015
17016 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17017
17018         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
17019         combine.c's combine_insn_cost.
17020         * rtl.h (insn_rtx_cost): Prototype here.
17021         * combine.c (combine_insn_cost): Delete function.
17022         (combine_validate_cost): Update callers of combine_insn_cost to
17023         call insn_rtx_cost instead.
17024         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
17025         requesting the rtx_cost of call and/or jump instructions.
17026
17027         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
17028         rtx_cost directly.  Don't request/use the cost of call or jump
17029         instructions.  Return -1 if the cost of any instruction can't be
17030         determined (or the BB contains a function call).
17031         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
17032         -1 (i.e. can't determine the cost of any instruction or the basic
17033         block contains a subroutine call).
17034         (find_if_case_2): Likewise.
17035
17036 2004-07-11  Roger Sayle  <roger@eyesopen.com>
17037
17038         * rs6000.c (struct processor_costs): Change semantics of fields to
17039         include the COST_N_INSNS scaling, and update all initializers.
17040         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
17041         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
17042         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
17043         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
17044
17045 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17046
17047         * LANGUAGES: Remove obsolete information.
17048
17049 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
17050
17051         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
17052         SIGBUS signal frames, the PSW address points *to* the faulting
17053         instruction, not after it.
17054
17055 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
17056
17057         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
17058         added to TLS symbol addresses.
17059
17060 2004-07-11  Richard Henderson  <rth@redhat.com>
17061
17062         * expmed.c (init_expmed): Use stack-local structures for
17063         temporary rtl.  Don't recognize shifts.
17064
17065 2004-07-11  Richard Henderson  <rth@redhat.com>
17066
17067         * expr.c (store_expr): Don't fiddle subreg promotion for types
17068         with precision smaller than the mode.
17069
17070 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17071
17072         * tree.h (all_types_permanent): Remove.
17073
17074 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17075
17076         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
17077         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
17078         * langhooks.c (lhd_clear_binding_stack): Remove.
17079         * langhooks-def.h (lhd_clear_binding_stack,
17080         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
17081         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
17082         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
17083         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
17084         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
17085         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
17086         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
17087         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
17088         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
17089         * tree.h (poplevel): Don't declare.
17090         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
17091         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
17092         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
17093         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
17094         Remove.
17095
17096 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
17097
17098         PR tree-optimization/16437
17099         * c-common.c (shorten_compare): Don't mark result of conversion to
17100         narrower signed type as overflowing.
17101         * fold-const.c (decode_field_reference): Determine whether
17102         signedness comes from outer type using precision rather than size.
17103
17104 2004-07-11  Phil Edwards  <phil@codesourcery.com>
17105
17106         * configure.ac:  Alphabetize --enable-checking list, add
17107         missing valgrind entry.
17108         * configure:  Regenerate.
17109
17110 2004-07-11  Phil Edwards  <phil@codesourcery.com>
17111
17112         * doc/install.texi (Testing):  Fix syntax in "make check" example.
17113
17114 2004-07-10  James E Wilson  <wilson@specifixinc.com>
17115
17116         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
17117
17118 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17119
17120         PR rtl-optimization/16001
17121         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
17122         niter_expr.
17123
17124 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
17125
17126         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
17127
17128 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
17129             James Morrison  <phython@gcc.gnu.org>
17130
17131         * doc/contrib.texi (Contributors): Add gfortran contributors and
17132         fix a couple of typos.
17133
17134 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17135
17136         PR rtl-optimization/15387
17137         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
17138         to incoming args space correctly.
17139
17140 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17141
17142         * pa.c (output_indirect_call): Only use %r2 as the link register in
17143         indirect calls with the long PA 2.0 pc-relative branch.
17144
17145 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
17146
17147         * config/i386/i386.c (override_options): Pick a 64-bit CPU
17148         for the default tuning if TARGET_64BIT.
17149
17150 2004-07-10  Richard Henderson  <rth@redhat.com>
17151
17152         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
17153         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
17154
17155 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
17156
17157         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
17158         * expmed.c (store_bit_field, extract_bit_field): Remove last
17159         argument.
17160         * builtins.c (expand_builtin_signbit): Adjust callers.
17161         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
17162         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
17163         * ifcvt.c (noce_emit_move_insn): Likewise.
17164         * stmt.c (expand_return): Likewise.
17165         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
17166         store_field, expand_expr_real_1): Likewise.
17167
17168 2004-07-10  Richard Henderson  <rth@redhat.com>
17169
17170         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
17171
17172 2004-07-09  Mike Stump  <mrs@apple.com>
17173
17174         * config/darwin.c (no_dead_strip): Add.
17175         (HAVE_DEAD_STRIP): Add.
17176         (darwin_emit_unwind_label): Ensure that we don't dead code strip
17177         the .eh label.
17178
17179 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17180
17181         * tree-ssa-loop-im.c: New file.
17182         * Makefile.in (tree-ssa-loop-im.o): Add.
17183         * cfgloop.c (superloop_at_depth): New function.
17184         * cfgloop.h (superloop_at_depth): Declare.
17185         * common.opt (ftree-lim): New flag.
17186         * expr.c (array_ref_up_bound): New function.
17187         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
17188         * timevar.def (TV_LIM): New timevar.
17189         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
17190         computing immediate uses of a phi node.
17191         * tree-flow.h (struct tree_ann_common_d): Add aux field.
17192         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
17193         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
17194         * tree-pass.h (pass_lim): Declare.
17195         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
17196         functions.
17197         (pass_lim): New pass structure.
17198         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
17199         * tree.c (in_array_bounds_p): New function.
17200         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
17201         (in_array_bounds_p, array_ref_up_bound): Declare.
17202         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
17203         * doc/passes.texi (tree-ssa-loop-im.c): Document.
17204
17205 2004-07-09  Richard Henderson  <rth@redhat.com>
17206
17207         * builtins.c (expand_builtin_stpcpy): Don't modify len.
17208
17209         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
17210         with prejudice.
17211
17212 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
17213
17214         * flags.h: Delete redundant prototypes that are being generated
17215         in options.h from common.opt.
17216         * common.opt: Add in the expository comments formerly in flags.h.
17217
17218 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17219
17220         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
17221         available for use only when TARGET_MMX/_SSE is set, and check for
17222         variable argument function if any register count is non-zero.
17223         (function_arg): Correctly suppress repeated warnings for passing SSE
17224         vectors are arguments without SSE enabled.
17225         (ix86_function_arg_boundary): Without SSE enabled, the use of what
17226         would be SSE register modes does no longer influence the alignment.
17227
17228 2004-07-09  Richard Henderson  <rth@redhat.com>
17229
17230         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
17231         Always align upward to arg boundary.  Use size_in_bytes/round_up.
17232         Maintain type-correctness of constants.
17233         * stor-layout.c (round_up, round_down): Special-case powers of 2.
17234
17235 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
17236
17237         * config/sparc/sparc.c (*_costs): Scale instruction costs
17238         by COSTS_N_INSNS.
17239         (sparc_rtx_costs): Adjust as appropriate.
17240
17241 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17242
17243         * config/i386/mm3dnow.h: New.
17244         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
17245
17246 2004-07-09  Richard Henderson  <rth@redhat.com>
17247
17248         * simplify-rtx.c (simplify_const_relational_operation): Only
17249         look at bounds of scalar integers.
17250
17251 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17252
17253         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
17254
17255 2004-07-09  Andrew Pinski  <apinski@apple.com>
17256
17257         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
17258         always referenced.
17259         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
17260         UOBJC_METACLASS_decl.
17261
17262 2004-07-09  James E Wilson  <wilson@specifixinc.com>
17263
17264         PR target/16364
17265         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
17266         do return a parallel if hfa_mode == XFmode and mode == TImode.
17267
17268 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17269
17270         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
17271         permissible for unary plus.
17272
17273 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17274
17275         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
17276         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
17277         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
17278         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
17279         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
17280         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
17281         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
17282         (BUILTIN_xxxIMAX): New.
17283         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
17284         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
17285         BUILT_IN_PARITYIMAX.
17286
17287 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
17288
17289         * config/sparc/sparc.h (processor_costs): Define.
17290         (sparc_costs): Declare.
17291         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
17292         hypersparc_costs, sparclet_costs, ultrasparc_costs,
17293         ultrasparc3_costs): New.
17294         (sparc_override_options): Set sparc_costs as appropriate.
17295         (sparc_rtx_costs): Use sparc_costs instead of messy
17296         conditionals.
17297
17298 2004-07-09  Steven Bosscher  <stevenb@suse.de>
17299
17300         * doc/md.texi (Processor pipeline description): Mention that
17301         the old pipeline description is deprecated.
17302
17303         * config/rs6000/7450.md (automaton ppc7450): Split up, move
17304         mciu_7450 function unit to...
17305         (automaton ppc7450mciu): ...new automaton.
17306
17307         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
17308         (schedule_block): Don't consider inserting bubbles.
17309         (sched_init): Don't initialize DFA bubbles.
17310         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
17311         TARGET_SCHED_DFA_BUBBLE): Remove.
17312         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
17313         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
17314         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
17315
17316         * stmt.c (conditional_context): Remove prototype.
17317         * tree.h (conditional_context): Remove.
17318         * tree-cfg.c (pre_insert_on_edge): Remove.
17319
17320         * c-common.h (c_expand_asm_operands): Remove prototype.
17321         * c-typeck.c (c_expand_asm_operands): Remove.
17322
17323 2004-07-09  Jan Beulich  <jbeulich@novell.com>
17324
17325         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
17326         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
17327         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
17328         and V8QI are class SSE. All sufficiently small remaining vector modes
17329         must be passed in one or two integer registers.
17330         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
17331         returned in memory.
17332         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
17333         __builtin_ia32_pmuludq128 have non-uniform argument and return types
17334         and must thus be handled explicitly.
17335         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
17336         MMX and XMM regs.
17337         (movv8qi_internal, movv4hi_internal, movv2si_internal,
17338         movv2sf_internal): Permit moving between MMX and XMM registers (since
17339         MMX areguments and return values are passed in XMM registers).
17340         (sse2_umulsidi3): Correct type and mode.
17341
17342 2004-07-09  Richard Henderson  <rth@redhat.com>
17343
17344         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
17345
17346 2004-07-09  Eric Christopher  <echristo@redhat.com>
17347
17348         * config/rs6000/40x.md: Split into two automatons.
17349
17350 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
17351             Andrew Pinski  <apinski@apple.com>
17352
17353         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
17354         on when we have more than one input file.
17355         (c_common_parse_file): Restore loop over all input files.
17356         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
17357
17358         * c-decl.c (set_type_context): New function.
17359         (pop_scope): Use it to set context of types.  When we
17360         encounter a TYPE_DECL, set the context of the attached type too.
17361         (pop_file_scope): Don't call cpp_undef_all here.
17362         (diagnose_mismatched_decls): Do not complain about a second
17363         definition of an 'extern inline' function if it's not in the
17364         same translation unit.  Do not complain about inline
17365         declaration after use if the use was in a different
17366         translation unit.
17367         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
17368         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
17369         the external scope.
17370         (pushdecl_top_level): Likewise.
17371         (grokdeclarator): Clarify what is going on with setting
17372         DECL_EXTERNAL on function types, a little.
17373         (c_write_global_declarations): Don't do anything if
17374         -fsyntax-only or errors have been encountered.
17375
17376 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
17377
17378         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
17379
17380 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17381
17382         PR target/16459
17383         * pa.c (output_indirect_call): Use %r2 as the link register when
17384         calling $$dyncall with a pc-relative branch.
17385
17386 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
17387
17388         * doc/install.texi (Binaries): Mention OpenPKG.
17389
17390 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
17391
17392         Fix PR tree-optimization/15555
17393         * tree-dfa.c (dump_variable): If the variable is a pointer
17394         SSA_NAME, also dump its points-to information.
17395         * tree-flow.h (struct ptr_info_def): Add field
17396         is_dereferenced.
17397         (dump_points_to_info_for): Declare.
17398         (debug_points_to_info_for): Declare.
17399         * tree-optimize.c (init_tree_optimization_passes): Add a
17400         second alias analysis pass after DOM2.
17401         Move pass_del_pta to a later spot.
17402         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
17403         create a name tags when we find a dereferenced pointer.  Just
17404         mark the pointer dereferenced.
17405         (collect_points_to_info_for): Move code to clear points-to
17406         information to create_name_tags.
17407         (create_name_tags): New function.
17408         (compute_flow_sensitive_aliasing): Call it.
17409         (setup_pointers_and_addressables): Mark type tags for renaming
17410         here instead of ...
17411         (create_memory_tag): ... here.
17412         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
17413         (dump_points_to_info_for): Declare extern.
17414         (debug_points_to_info_for): New function.
17415
17416 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
17417
17418         * config/arc/arc.md: Switch to DFA-based scheduler description.
17419         * config/arc/arc.c: Switch to DFA-based scheduler description.
17420
17421 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
17422
17423         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
17424         pointer.
17425
17426 2004-07-09  Richard Henderson  <rth@redhat.com>
17427
17428         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
17429         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17430         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
17431         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
17432
17433         * config/v850/v850-protos.h (v850_va_arg): Remove.
17434         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17435         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
17436         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
17437         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
17438         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
17439
17440 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
17441
17442         PR target/12133
17443         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
17444         and DImode to use +/-4k offset.
17445
17446 2004-07-09  Richard Henderson  <rth@redhat.com>
17447
17448         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
17449         Remove.
17450         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17451         (xstormy16_gimplify_va_arg_expr): Rewrite from
17452         xstormy16_expand_builtin_va_arg.
17453         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
17454
17455         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
17456         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
17457
17458         * config/sh/sh-protos.h (sh_va_arg): Remove.
17459         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17460         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
17461         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
17462
17463         * config/pa/pa-protos.h (hppa_va_arg): Remove.
17464         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17465         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
17466         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
17467
17468         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
17469         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17470         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
17471         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
17472
17473 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
17474
17475         * config/sparc/sparc.md (return): Rewrite length formula.
17476         * config/sparc/sparc.c (output_return): Pass 1 as 5th
17477         argument to final_scan_insn when in a delay slot.
17478         (output_sibcall): Likewise.
17479
17480 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
17481
17482         * arm.c (arm_cpp_interwork): New variable.
17483         (arm_override_options): Set it if TARGET_INTERWORK was on the command
17484         line.
17485         * arm.h (arm_cpp_interwork): Declare it.
17486         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
17487         __THUMB_INTERWORK__ in the preprocessor.
17488
17489 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
17490
17491         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
17492
17493 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
17494
17495         PR target/16416
17496         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
17497         Override default settings to account for -m32 and -m64.
17498
17499 2004-07-08  Randolph Chung  <tausq@debian.org>
17500
17501         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
17502
17503 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
17504
17505         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
17506         before comparing it as such.
17507
17508 2004-07-08  Richard Henderson  <rth@redhat.com>
17509
17510         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
17511         temporary.  Use bit arithmetic to align.
17512
17513 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
17514
17515         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
17516         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
17517         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
17518         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
17519         add_labels_and_missing_jumps, find_jump_block,
17520         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
17521         Likewise.
17522         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
17523         link_btr_uses, move_btr_def): Likewise.
17524         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
17525         expand_builtin_expect_jump): Likewise.
17526         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
17527         * calls.c (expand_call, emit_library_call_value_1): Likewise.
17528         * cfganal.c (forwarder_block_p): Likewise.
17529         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
17530         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
17531         find_bb_boundaries): Likewise.
17532         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
17533         merge_blocks_move_predecessor_nojumps,
17534         merge_blocks_move_successor_nojumps, insns_match_p,
17535         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
17536         try_optimize_cfg): Likewise.
17537         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
17538         * cfglayout.c (skip_insns_after_block, label_for_bb,
17539         record_effective_endpoints, insn_locators_initialize,
17540         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
17541         * cfgmainloop.c (create_loop_notes): Likewise.
17542         * cfgrtl.c (delete_insn, delete_insn_chain,
17543         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
17544         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
17545         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
17546         redirect_branch_edge, force_nonfallthru_and_redirect,
17547         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
17548         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
17549         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
17550         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
17551         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
17552         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
17553         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
17554         * combine.c (combine_instructions, can_combine_p, try_combine,
17555         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
17556         distribute_notes, distribute_links, insn_cuid): Likewise.
17557         * cse.c (fold_rtx, cse_insn, cse_around_loop,
17558         invalidate_skipped_block, cse_set_around_loop,
17559         cse_end_of_basic_block, cse_main, cse_basic_block,
17560         cse_condition_code_reg): Likewise.
17561         * cselib.c (cselib_process_insn): Likewise.
17562         * ddg.c (create_ddg): Likewise.
17563         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
17564         Likewise.
17565         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
17566         gen_label_die, dwarf2out_var_location): Likewise.
17567         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
17568         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
17569         last_call_insn, active_insn_p, next_label, prev_label,
17570         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
17571         add_insn_before, remove_insn, add_function_usage_to,
17572         reorder_insns, find_line_note, remove_unnecessary_notes,
17573         emit_insn_after_1, classify_insn): Likewise.
17574         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
17575         connect_post_landing_pads, sjlj_mark_call_sites,
17576         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
17577         can_throw_internal, can_throw_external, set_nothrow_function_flags,
17578         convert_to_eh_region_ranges): Likewise.
17579         * explow.c (optimize_save_area_alloca): Likewise.
17580         * expr.c (expand_expr_real): Likewise.
17581         * final.c (insn_current_reference_address, compute_alignments,
17582         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
17583         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
17584         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
17585         propagate_block_delete_insn, propagate_one_insn,
17586         init_propagate_block_info, propagate_block, libcall_dead_p,
17587         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
17588         Likewise.
17589         * function.c (instantiate_virtual_regs, reorder_blocks_1,
17590         expand_function_start, expand_function_end, contains,
17591         thread_prologue_and_epilogue_insns,
17592         reposition_prologue_and_epilogue_notes): Likewise.
17593         * gcse.c (constprop_register, bypass_conditional_jumps,
17594         insert_insn_end_bb, gcse_after_reload): Likewise.
17595         * genemit.c (gen_expand, gen_split): Likewise.
17596         * genpeep.c (gen_peephole, main): Likewise.
17597         * global.c (build_insn_chain): Likewise.
17598         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
17599         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
17600         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
17601         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
17602         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
17603         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
17604         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
17605         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
17606         dead_or_predicable): Likewise.
17607         * integrate.c (try_constants): Likewise.
17608         * jump.c (rebuild_jump_labels, cleanup_barriers,
17609         purge_line_number_notes, init_label_info, mark_all_labels,
17610         squeeze_notes, get_label_before, get_label_after,
17611         reversed_comparison_code_parts, simplejump_p, pc_set,
17612         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
17613         delete_barrier, delete_prior_computation, delete_computation,
17614         delete_related_insns, delete_for_peephole, redirect_jump):
17615         Likewise.
17616         * lcm.c (optimize_mode_switching): Likewise.
17617         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
17618         Likewise.
17619         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
17620         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
17621         * loop-iv.c (simplify_using_assignment): Likewise.
17622         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
17623         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
17624         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
17625         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
17626         check_insn_for_givs, check_final_value, update_giv_derive,
17627         basic_induction_var, product_cheap_p, check_dbra_loop,
17628         loop_insn_first_p, last_use_this_basic_block,
17629         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
17630         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
17631         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
17632         sms_schedule_by_order): Likewise.
17633         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
17634         * postreload.c (reload_cse_simplify_operands, reload_combine,
17635         reload_cse_move2add): Likewise.
17636         * predict.c (can_predict_insn_p, estimate_probability,
17637         expected_value_to_br_prob, process_note_predictions): Likewise.
17638         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
17639         * profile.c (branch_prob): Likewise.
17640         * ra-build.c (live_out_1, livethrough_conflicts_bb,
17641         detect_webs_set_in_cond_jump): Likewise.
17642         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
17643         ra_print_rtl_with_bb): Likewise.
17644         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
17645         * recog.c (next_insn_tests_no_inequality, find_single_use,
17646         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
17647         * reg-stack.c (next_flags_user, record_label_references,
17648         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
17649         compensate_edge, convert_regs_1): Likewise.
17650         * regclass.c (scan_one_insn): Likewise.
17651         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
17652         regmove_optimize, fixup_match_1, single_set_for_csa,
17653         combine_stack_adjustments_for_block): Likewise.
17654         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
17655         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
17656         find_equiv_reg): Likewise.
17657         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
17658         reload_as_needed, emit_input_reload_insns, do_output_reload,
17659         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
17660         Likewise.
17661         * reorg.c (find_end_label, emit_delay_sequence,
17662         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
17663         get_jump_flags, rare_destination, mostly_true_jump,
17664         try_merge_delay_insns, redundant_insn, own_thread_p,
17665         fill_simple_delay_slots, fill_slots_from_thread,
17666         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
17667         dbr_schedule): Likewise.
17668         * resource.c (find_basic_block, next_insn_no_annul,
17669         find_dead_or_set_registers, mark_target_live_regs): Likewise.
17670         * rtl.h (RTX_PREV): Likewise.
17671         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
17672         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
17673         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
17674         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
17675         tablejump_p, computed_jump_p, insns_safe_to_move_p,
17676         find_first_parameter_load, can_hoist_insn_p): Likewise.
17677         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
17678         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
17679         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
17680         schedule_ebbs): Likewise.
17681         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
17682         is_conditionally_protected, can_schedule_ready_p,
17683         add_branch_dependences, debug_dependencies): Likewise.
17684         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
17685         Likewise.
17686         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
17687         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
17688         set_dominates_use, ujump_to_loop_cont): Likewise.
17689         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
17690         * varasm.c (output_constant_pool_1): Likewise.
17691
17692 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17693
17694         * tree-scalar-evolution.c: New file.
17695         * tree-scalar-evolution.h: New file.
17696         * tree-ssa-loop-niter.c: New file.
17697         * Makefile.in (SCEV_H): New.
17698         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
17699         * cfgloop.h (struct loop): Add bounds field.
17700         * tree-flow.h (struct tree_niter_desc): New type.
17701         (number_of_iterations_cond, number_of_iterations_exit,
17702         loop_niter_by_eval, find_loop_niter_by_eval,
17703         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
17704         free_numbers_of_iterations_estimates): Declare.
17705         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
17706         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
17707         * doc/invoke.texi (max-iterations-to-track): Document.
17708
17709 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
17710
17711         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
17712         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
17713         (MODE_AFTER): Add cast appropriately.
17714         * config/sh/sh.md (movdi splitter): Likewise.
17715         (casesi_worker_2): Add const qualifier appropriately.
17716         (eh_return): Remove unused variable.
17717         (insv): Initialize v;
17718
17719 2004-07-08  Richard Henderson  <rth@redhat.com>
17720
17721         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
17722         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17723         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
17724         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
17725         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
17726
17727         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
17728         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17729         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
17730         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
17731
17732         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
17733         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17734         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
17735         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
17736
17737         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
17738         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17739         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
17740         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
17741
17742         * config/i860/i860-protos.h (i860_va_arg): Remove.
17743         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17744         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
17745         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
17746
17747 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
17748
17749         * system.h: Prototype getpagesize if missing.
17750         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
17751         * configure: Regenerate.
17752         * config.in: Regenerate.
17753
17754 2004-07-08  Richard Henderson  <rth@redhat.com>
17755
17756         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
17757         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17758         (fr30_gimplify_va_arg_expr): New.
17759         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
17760         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
17761
17762 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
17763
17764         PR target/16414
17765         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
17766         of asm_noperands result.
17767
17768 2004-07-08  Richard Henderson  <rth@redhat.com>
17769
17770         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
17771         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17772         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
17773         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
17774
17775 2004-07-08  Richard Henderson  <rth@redhat.com>
17776
17777         * builtins.c (ind_gimplify_va_arg_expr): New.
17778         * tree.h (ind_gimplify_va_arg_expr): Declare.
17779         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
17780
17781 2004-07-08  Jan Beulich  <jbeulich@novell.com>
17782
17783         * expmed.c (extract_bit_field): Correct condition to use vec_extract
17784         patterns also on vector elements other than the first one.
17785         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
17786         break statements.
17787
17788 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
17789
17790         * config/rs6000/darwin-ldouble.c: Correct reference
17791         to the Linnainmaa paper.
17792
17793 2004-07-08  Richard Henderson  <rth@redhat.com>
17794
17795         * config/arc/arc-protos.h (arc_va_arg): Remove.
17796         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17797         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
17798         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
17799
17800         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
17801         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17802         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
17803         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
17804
17805 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17806
17807         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
17808
17809 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
17810
17811         * c-decl.c (static_ctors, static_dtors): Make static.
17812         (pop_file_scope): Call c_common_write_pch and
17813         cgraph_finalize_compilation_unit here.
17814         (build_cdtor): Moved here from c-objc-common.c; simplify.
17815         (c_write_global_declarations_1): Clarify comment.
17816         (c_write_global_declarations): Close the external scope before
17817         doing anything else.  Call build_cdtor, cgraph_optimize, and
17818         mudflap_finish_file here.
17819         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
17820         Clarify comment.
17821         * c-objc-common.c: No need to include cgraph.h.
17822         (build_cdtor): Moved to c-decl.c.
17823         (c_objc_common_finish_file): Delete.
17824         * c-tree.h: Update to match.
17825         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
17826         (generate_static_references): Set TREE_USED before calling finish_decl.
17827         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
17828         on the static_instances_decl.
17829
17830 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
17831
17832         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
17833         decls when there is only one input translation unit.
17834         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
17835         change of 2004-07-05; do not treat declarations with
17836         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
17837         * opts.c (cur_in_fname): Delete.
17838         * opts.h: Likewise.
17839         * tree.c: Revert changes of 2004-07-05; no special treatment
17840         for TRANSLATION_UNIT_DECLs.
17841         * Makefile.in (tree.o): Update dependencies.
17842
17843 2004-07-08  Roger Sayle  <roger@eyesopen.com>
17844
17845         * builtins.c (fold_builtin_strcpy): Merge functionality from
17846         simplify_builtin_strcpy.  Add additional len argument.  No longer
17847         static.  Remove function prototype.
17848         (fold_builtin_strncpy): Likewise integrate functionality from
17849         simplify_builtin_strncpy.  Add additional slen argument.  No
17850         longer static.  Remove function prototype.
17851         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
17852         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
17853         types of "ignore" and "unlocked" parameters to bool.
17854         (fold_builtin_1):  Add additional ignore argument.  Call renamed
17855         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
17856         builtins.  Update arguments to fold_builtin_strncpy and
17857         fold_builtin_strcpy.  Add function prototype.
17858         (fold_builtin): Add additional Boolean ignore argument to pass
17859         to fold_builtin_1.
17860         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
17861         and fold_builtin_strncpy instead of simplify_builtin_fputs,
17862         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
17863
17864         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
17865         simplify_builtin_strncpy): Delete function prototypes.
17866         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
17867         fold_builtin_strncpy): Add function prototypes here.
17868         (fold_builtin): Update function prototype with new "bool ignore".
17869
17870         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
17871         (ccp_fold_builtin):  Update call to fold_builtin.  Call
17872         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
17873         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
17874         simplify_builtin_strncpy respectively.
17875         * fold-const.c (fold): Update call to fold_builtin.
17876
17877 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
17878
17879         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
17880         to strcpy.
17881
17882         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
17883         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
17884         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
17885         * calls.c: Remove ifdefs of macros above.
17886         * functions.c: Likewise.
17887         * expr.c: Likewise.
17888
17889 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17890
17891         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
17892         (arch attribute): Delete.
17893         (current_function_calls_alloca attribute): Rename into calls_alloca.
17894         (calls_eh_return): New attribute.
17895         (leaf_function): Likewise.
17896         (length attribute): Fix formula for sibcalls.
17897         (return insn): Correctly compute the 'length' attribute.
17898         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
17899
17900 2004-07-08  Richard Henderson  <rth@redhat.com>
17901
17902         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
17903         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
17904         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
17905         * tree-eh.c (lower_eh_constructs_1): Likewise.
17906         * tree-sra.c (sra_walk_modify_expr): Likewise.
17907         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
17908         (eliminate_unnecessary_stmts): Likewise.
17909         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17910         * tree-tailcall.c (optimize_tail_call): Likewise.
17911         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
17912
17913 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
17914             Jakub Jelinek  <jakub@redhat.com>
17915
17916         * config/i386/i386.c (override_options): Enable
17917         SSE prefetches with -mtune, as long as we are
17918         compiling for i686 or higher.  All i686 processors
17919         accept SSE prefetches as NOPS, some i586's don't.
17920
17921 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17922
17923         PR target/10567
17924         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
17925
17926 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
17927
17928         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
17929         the handling of clobbering ASM_EXPRs.
17930
17931 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17932
17933         PR target/16430
17934         * config/sparc/sparc.c (function_value): In 64-bit mode,
17935         return the aggregates larger than 16 bytes like unions.
17936
17937 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17938
17939         PR target/16199
17940         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
17941         'temp' is zero, generate new pseudos as needed and emit the
17942         sequence of insns in single-assignment form.  Resync comments
17943         with code.
17944         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
17945         function before reload.
17946
17947 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
17948
17949         * vec.c (vec_assert_fail): Remove duplicate 'function'.
17950
17951         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
17952
17953         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
17954         Allocation is signed.
17955         (VEC_reserve): Return flag, allocation is signed.
17956
17957 2004-07-08  Richard Henderson  <rth@redhat.com>
17958
17959         * tree-ssa-ccp.c (fold_stmt): Get type directly from
17960         OBJ_TYPE_REF_OBJECT.
17961
17962 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
17963             Neil Booth  <neil@daikokuya.co.uk>
17964
17965         PR c/2511
17966         PR c/3325
17967         * c-decl.c (finish_struct): Ensure bit-fields are given the
17968         correct type.
17969         * c-common.c (c_common_signed_or_unsigned_type): For C, require
17970         the precision to match as well as the mode.
17971         * expr.c (reduce_to_bit_field_precision): New function.
17972         (expand_expr_real_1): Reduce expressions of bit-field type to
17973         proper precision.
17974         * langhooks.h (reduce_bit_field_operations): New hook.
17975         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
17976         Define.
17977         * c-lang.c, objc/objc-lang.c
17978         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
17979         * objc/objc-act.c (check_ivars): Convert types to bit-field types
17980         before checking.
17981         * tree.c (build_nonstandard_integer_type): New function.
17982         * tree.h (build_nonstandard_integer_type): New prototype.
17983         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
17984         conversions between integer and boolean types as useless.
17985
17986 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
17987
17988         * c-common.c (c_common_nodes_and_builtins): Do not
17989         create __builtin_ptrdiff_t and __builtin_size_t.
17990
17991 2004-07-08  Andrew Pinski  <apinski@apple.com>
17992
17993         * Makefile.in (libbackend.o): Add -combine to the gcc
17994         command line.
17995
17996 2004-07-08  Nick Clifton  <nickc@redhat.com>
17997
17998         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
17999         Set to -Os.
18000
18001 2004-07-08  Richard Henderson  <rth@redhat.com>
18002
18003         * except.c (expand_eh_region_start, expand_eh_region_end,
18004         expand_eh_handler, expand_eh_region_end_cleanup,
18005         expand_start_all_catch, expand_start_catch, expand_end_catch,
18006         expand_end_all_catch, expand_eh_region_end_allowed,
18007         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
18008         expand_eh_region_end_fixup): Remove.
18009         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
18010         cleanups, outer_cleanups, label_chain, exception_region.
18011         (struct goto_fixup): Remove stack_level, cleanup_list_list.
18012         (struct label_chain): Remove.
18013         (struct stmt_status): Remove x_stack_block_stack.
18014         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
18015         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
18016         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
18017         end_cleanup_deferral, last_cleanup_this_contour,
18018         containing_blocks_have_cleanups_or_stack_level,
18019         any_pending_cleanups): Remove.
18020         (expand_null_return_1): Take no arguments.
18021         (expand_label, expand_naked_return, expand_return,
18022         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
18023         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
18024         expand_end_case_type): Don't use any of them.
18025         * calls.c (expand_call): Likewise.
18026         * dojump.c (do_jump): Likewise.
18027         * function.c (expand_function_end): Likewise.
18028         * expr.c (store_expr, expand_expr_real_1): Likewise.
18029         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
18030         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
18031         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
18032         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
18033         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
18034         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
18035         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
18036         for WITH_CLEANUP_EXPR.
18037         (gimple_push_cleanup): Likewise.
18038         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
18039         * print-tree.c (print_node): Likewise.
18040         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
18041         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
18042         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
18043         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
18044         (GOTO_SUBROUTINE_EXPR): Remove.
18045         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
18046         (DECL_TOO_LATE): Remove.
18047         * except.h, tree.h: Update decls.
18048
18049 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
18050
18051         * explow.c (optimize_save_area_alloca): Do not accept parameters.
18052         * passes.c (rest_of_handle_final): Handle symout.
18053         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
18054         Push timevar here.
18055         (rest_of_handle_sched): Break out SMS.  Remove ifs for
18056         flag_schedule_insns and flag_modulo_sched.
18057         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
18058         collect at the end.
18059         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
18060         (rest_of_handle_partition_blocks, rest_of_handle_sms,
18061         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
18062         rest_of_handle_mode_switching, rest_of_handle_jump,
18063         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
18064         rest_of_handle_jump2, rest_of_handle_postreload,
18065         rest_of_handle_flow2, rest_of_clean_state,
18066         rest_of_handle_shorten_branches,
18067         rest_of_handle_prologue_epilogue,
18068         rest_of_handle_branch_target_load_optimize): New.
18069         (rest_of_compilation): Call the above.  Remove ggc_collect
18070         calls moved to rest_of_handle_*.
18071         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
18072
18073         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
18074         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
18075         * except.h (set_nothrow_function_flags): Update comment.
18076         * function.c (current_function_nothrow): Remove.
18077         * output.h (current_function_nothrow): Remove.
18078         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
18079         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
18080
18081 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18082
18083         PR bootstrap/16326
18084         * reorg.c: Revert 2004-06-30 change.
18085         (find_end_label): If HAVE_epilogue and !HAVE_return,
18086         return 0 instead of creating a label at the end of the insn chain.
18087         (optimize_skip): Account for the failure mode of find_end_label.
18088         (fill_simple_delay_slots): Likewise.
18089         (fill_slots_from_thread): Likewise.
18090         (relax_delay_slots): Likewise.
18091
18092 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
18093
18094         * tree-flow.h (addressable_vars): Declare.
18095         * tree-ssa-alias.c (addressable_vars): Define.
18096         (setup_pointers_and_addressables): Add addressable variables
18097         to addressable_vars.
18098         * tree-ssa-operands.c (get_stmt_operands): Move
18099         handling of ASM_EXPRs ...
18100         (get_asm_expr_operands): ... here.
18101         When the ASM_EXPR clobbers memory, also clobber addressable
18102         variables.
18103         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
18104         (delete_tree_ssa): Reset addressable_vars.
18105
18106 2004-07-07  Jan Beulich  <jbeulich@novell.com>
18107             Richard Henderson  <rth@redhat.com>
18108
18109         * varasm.c (assemble_variable): Use assemble_zeros for
18110         zero-initialized variables.
18111         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
18112         for SECCAT_BSS and SECCAT_TBSS.
18113
18114 2004-07-07  Jan Beulich  <jbeulich@novell.com>
18115
18116         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
18117
18118         * expmed.c (emit_store_flag): Also special-case double-word
18119         (in-)equality comparison against -1.
18120
18121         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
18122         passing arguments the containers for which are registers.
18123
18124         * calls.c (emit_library_call_value_1): Use mode of function parameter
18125         rather than that of argument since constants have none.
18126
18127 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
18128
18129         Introduce H8SX support.
18130         * expr.c (expand_strcpy): Renamed and moved to...
18131         * builtins.c (expand_movstr): ... here.  Tweak.
18132         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
18133         computed or has side effects.
18134         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
18135         unused, or if mempcpy fails.  Adjust the return value in the
18136         latter case.  Use movstr if everything else fails.
18137         * doc/md.texi (movstr): Document.
18138         (movmemM, clrmemM): Fix explanation of memory block operands.
18139         * config/h8300/h8300.md (stpcpy): Renamed to...
18140         (movstr): ... this.  Adjust.
18141         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
18142         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
18143         movmem* and clrstr* to clrmem*.
18144         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
18145         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
18146         GENERAL_REGS, always.
18147         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
18148         getting the stack pointer as addr.
18149         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
18150         from general_operand_dst.
18151         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
18152         variant of...
18153         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
18154         instead of requiring it to match only before reload.
18155         (stpcpy_internal_normal): New, normal-mode variant of...
18156         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
18157         `D' instead of requiring it to match only before reload.
18158         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
18159         mode argument.
18160         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
18161         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
18162         h8300_get_index.
18163         * config/h8300/h8300.md (attr type): Add call.
18164         (attr can_delay): If type is call, set it no.
18165         (call, call_value): Set type to call.
18166         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
18167         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
18168         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
18169         * tree.c (get_narrower): Don't narrow integral types into
18170         non-integral types.
18171         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
18172         frame_size *before* the first use.
18173         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
18174         on input.
18175         (peephole2): Don't widen instructions that push SP.  Move
18176         decrement of SP to the end of all stm-generating peepholes.
18177         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
18178         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
18179         and OR to set it to all ones.
18180         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
18181         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
18182         (call, call_value): Set can_delay to "no".
18183         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
18184         * config/h8300/h8300.md (extzv): Make subreg check more robust.
18185         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
18186         * config/h8300/h8300.md (*brabit): Remove.
18187         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
18188         zero_extract.  Use bit_memory_operand as the predicate for
18189         operand 1 and 'WU' as the constraint.  Check the difference
18190         between the base length and the final one when deciding which
18191         type of branch to use.
18192         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
18193         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
18194         Use convert_move to extend the result for TARGET_H8300SX.  Check
18195         for QImode memory references.  Optimize the case where the
18196         destination is a paradoxical subreg.
18197         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
18198         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
18199         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
18200         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
18201         * config/h8300/h8300.md: Include mova.md
18202         (length_table): Add mova and mova_zero.
18203         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
18204         after all constant addresses for '%R', '%X', '%T' and '%S'.
18205         (h8300_mova_length): New function.
18206         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
18207         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
18208         dependencies for s-config, etc.
18209         * config/h8300/gemova.sh: New file.
18210         * config/h8300/mova.md: Generated.
18211         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
18212         * config/h8300/h8300.c (h8300_bitfield_length): New.
18213         (nibble_operand): Adjust.
18214         (h8300_binary_length): Handle conditional binary op.
18215         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
18216         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
18217         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
18218         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
18219         constraints.  WU is introduced as a variant of U that requires a
18220         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
18221         * config/h8300/h8300.md (attr type): Added bitbranch.
18222         (attr length_table): Added bitfield and bitbranch.
18223         (attr length): Compute bitbranch length.
18224         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
18225         least-significant bit of a byte.
18226         (brabit, brabc, brabs): New.
18227         (insv, extzv): Emit bfst and bfld on H8300SX.
18228         (bfld, bfst, seq, sne): New.
18229         (bstzhireg, cmpstz, bstz, bistz): New.
18230         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
18231         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
18232         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
18233         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
18234         (h8sx_unary_memory_operator): New function.
18235         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
18236         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
18237         * config/h8300/h8300.md: Add peepholes to combine reloads and
18238         arithmetic insns.
18239         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
18240         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
18241         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
18242         (and?i, ior?i, xor?i): Likewise.
18243         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
18244         * config/h8300/h8300.c: Move enums and prototypes to head of file.
18245         Various whitespace fixes.
18246         (h8300_constant_length): New function, split out from...
18247         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
18248         (h8300_classify_operand): Use IN_RANGE.
18249         (h8300_classify_operand): Use h8300_constant_length.
18250         (h8300_short_move_mem_p): Tighten size check.
18251         (h8sx_mergeable_memrefs_p): Tighten equality check.
18252         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
18253         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
18254         for -msx.
18255         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
18256         * config/h8300/crtn.asm: Likewise.
18257         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
18258         if __H8300SX__ is defined.
18259         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
18260         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
18261         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
18262         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
18263         addresses as mode-dependent.
18264         * config/h8300/h8300.c (print_operand_address): Update call to
18265         h8300_get_index.
18266         (h8300_get_index): Take a mode argument.  Rework to fix an
18267         earlier misunderstanding.
18268         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
18269         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
18270         into a register if TARGET_H8300SX.
18271         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
18272         TARGET_H8300SX.  Also disable related define_splits.
18273         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
18274         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
18275         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
18276         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
18277         * config/h8300/h8300.h (OK_FOR_Z): New macro.
18278         (EXTRA_CONSTRAINT_STR): Check it.
18279         * config/h8300/h8300.c (h8300_classify_operand): Accept null
18280         class arguments.
18281         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
18282         * config/h8300/h8300.md (length_table): Add mov_imm4.
18283         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
18284         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
18285         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
18286         be a label.
18287         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
18288         * config/h8300/h8300.c (h8300_reorg): New function.
18289         (TARGET_MACHINE_DEPENDENT_REORG): Define.
18290         * config/h8300/h8300.md (length): Subtract the length of the
18291         delay slot from (pc) when checking the range of forward branches.
18292         (delay_slot, can_delay): New attributes.
18293         (define_delay): Add bra/s handling.
18294         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
18295         (jump): Add delayed-branch handling.
18296         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
18297         * expr.c (expand_strcpy): New function.
18298         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
18299         (expand_builtin_stpcpy): Likewise.
18300         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
18301         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
18302         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
18303         handling to improve register allocation for -fno-omit-frame-pointer.
18304         (h8sx_split_movmd): Delete, moving er6 handling into...
18305         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
18306         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
18307         (movmd): Add calls to copy_rtx.
18308         (movmd_internal): In the second alternative, allow the initial and
18309         final destination registers to be different .  Update the splitter
18310         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
18311         instead of h8sx_split_movmd.
18312         (stpcpy, movsd): New expanders.
18313         (movsd_internal): New define_insn.
18314         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
18315         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
18316         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
18317         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
18318         and DESTINATION_REGS.
18319         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
18320         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
18321         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
18322         (h8300_move_ratio): Declare.
18323         (MOVE_RATIO): Use it.
18324         * config/h8300/h8300.c (h8300_move_ratio): New variable.
18325         (h8300_init_once): Initialize it.
18326         (h8300_reg_class_from_letter): New function.
18327         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
18328         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
18329         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
18330         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
18331         (movstrsi, movmd): New expanders.
18332         (movmd_internal): New insn.
18333         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
18334         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
18335         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
18336         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
18337         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
18338         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
18339         * config/h8300/h8300.c (nibble_operand): Fix warning.
18340         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
18341         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
18342         (movsf_h8300h): Disable for TARGET_H8300SX.
18343         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
18344         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
18345         h8300_stm_parallel and h8300_return_parallel.
18346         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
18347         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
18348         h8300_stm_parallel, h8300_return_parallel): New functions.
18349         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
18350         if TARGET_H8300SX.  Use h8300_push_pop.
18351         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
18352         and final pop when generating h8sx code.  Always emit some form
18353         of return insn.
18354         * config/h8300/h8300.md: Don't enforce register alignment in
18355         stm peepholes if TARGET_H8300SX.
18356         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
18357         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
18358         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
18359         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
18360         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
18361         (MULTILIB_DIRNAMES): Add a directory for it.
18362         (MULTILIB_MATCHES): Delete.
18363         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
18364         * final.c (walk_alter_subreg): Handle addresses with subregs
18365         inside a ZERO_EXTEND or AND.
18366         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
18367         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
18368         if TARGET_H8300SX.
18369         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
18370         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
18371         @(dd,Rn.w) and @(dd,ERn.L).
18372         (h8300_displacement_size): Take the whole address as argument.
18373         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
18374         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
18375         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
18376         (h8sx_mergeable_memrefs_p): Declare.
18377         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
18378         (HAVE_PRE_INCREMENT): Likewise.
18379         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
18380         addresses for TARGET_H8300SX,
18381         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
18382         and POST_DEC.
18383         (movb_length_table, movl_length_table): New tables.
18384         (movw_length_table): Define to movb_length_table.
18385         (h8300_displacement_size): New, split out from...
18386         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
18387         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
18388         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
18389         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
18390         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
18391         (compute_plussi_length, compute_plussi_cc): Update accordingly.
18392         (h8sx_unary_shift_operator): Get the mode from the operator.
18393         (binary_shift_operator): Likewise.
18394         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
18395         a memory reference, check whether the reference is offsettable.
18396         (length_table): Add movb, movw and movl.
18397         (movqi): Add new h8sx pattern.  Don't force one operand to be a
18398         register when generating h8sx code.
18399         (movhi, movsi, movsf): Likewise.
18400         (movstrictqi): Use the length_table attribute.
18401         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
18402         (addqi3): Split into a define_expand and define_insn.  Don't accept
18403         memory operands in the expander.  Use h8300_operands_match_p to
18404         check for matching operands in the define_insn.
18405         (subqi3, negqi2, one_cmplqi2): Likewise.
18406         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
18407         in any patterns that are unused in h8sx code.  In the h8sx patterns,
18408         use h8300_operands_match_p to check whether operands match.
18409         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
18410         one_cmpl[hs]i3): Likewise.
18411         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
18412         in the expander.
18413         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
18414         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
18415         (h8300_insn_length_from_table): Add a second parameter.
18416         (output_h8sx_shift): Declare.
18417         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
18418         (EXTRA_CONSTRAINT): Replace with...
18419         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
18420         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
18421         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
18422         and h8sx_binary_shift_operator.
18423         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
18424         for TARGET_H8300SX.
18425         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
18426         (bit_memory_operand, fix_bit_operand): Likewise.
18427         (h8300_length_table_for_insn): Remove.
18428         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
18429         instructions.
18430         (h8300_short_immediate_length, h8300_binary_length): New functions.
18431         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
18432         (output_plussi): Use sub to add negative constants.
18433         (compute_plussi_length): Adjust accordingly.
18434         (h8sx_single_shift_type): New enum.
18435         (h8sx_single_shift, h8sx_unary_shift_operator,
18436         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
18437         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
18438         single h8sx instruction.  Return false in this case.
18439         * config/h8300/h8300.md (length_table): Add short_immediate.
18440         (length): Pass the operand array to h8300_insn_length_from_table.
18441         (adjust_length): Assume "no" for insns with a length_table attribute.
18442         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
18443         (*addhi3_h8300hs): Don't use for h8sx.
18444         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
18445         and sub.w #xx:3.
18446         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
18447         1's predicate to nonimmediate_operand.  Only skip default expansion
18448         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
18449         for single h8sx shift instructions.
18450         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
18451         * config/h8300/h8300.c (nibble_operand): Split out of...
18452         (reg_or_nibble_operand): ... this.
18453         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
18454         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
18455         umulhisi3): Introduce expand, and introduce separate insns for
18456         sign- or zero-extended REG and already-extended CONST_INT.
18457         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
18458         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
18459         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
18460         (subhi3): Likewise.  Don't accept immediates for operand 1.
18461         Remove the early clobber from second alternative of the h8300s pattern.
18462         (subsi3): Generalize for h8sx.  Force operand 2 into a register
18463         on plain h8300 targets.
18464         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
18465         (subsi3_h8300h): Generalize for h8sx.
18466         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
18467         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
18468         * config/h8300/h8300.c (reg_or_nibble_operand): New.
18469         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
18470         (TARGET_H8300SXMUL): New.
18471         (CONST_OK_FOR_P): New.
18472         (CONST_OK_FOR_LETTER_P): Adjust.
18473         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
18474         umulhisi3): Accept 4-bit immediate on H8SX.
18475         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
18476         (udivsi3, divhi3, udivsi3, divsi3): New.
18477         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
18478         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
18479         * config/h8300/h8300.h (OK_FOR_Q): New macro.
18480         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
18481         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
18482         Add ADDRESSOF to the bit_operand entry.
18483         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
18484         (h8300_src_operand): Likewise.
18485         (bit_operand): Check nonimmediate_operand rather than general_operand.
18486         Accept any nonimmediate_operand in h8sx code.
18487         (h8300_and_costs): Initialize operands[1].
18488         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
18489         (h8300_operand_class): New enum.
18490         (h8300_length_table): New typedef.
18491         (addb_length_table, addw_length_table, addl_length_table,
18492         logicl_length_table): New tables.
18493         (logicb_length_table, logicw_length_table): New macros.
18494         (h8300_classify_operand, h8300_length_from_table,
18495         h8300_length_table_for_insn, h8300_unary_length,
18496         h8300_insn_length_from_table): New functions.
18497         (output_plussi): Only use adds and subs for register destinations.
18498         Disable redundant clause.
18499         (compute_plussi_cc): Likewise.
18500         (compute_plussi_length): Likewise.  Use h8300_length_from_table
18501         to work out the length of an insn.
18502         (output_logical_op): Only use narrower immediate instructions
18503         if the destination is a register.
18504         (compute_logical_op_cc): Likewise.
18505         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
18506         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
18507         * config/h8300/h8300.md (length_table): New attribute.
18508         (length): When an instruction has a length_table attribute, use
18509         h8300_insn_length_from_table to calculate its default length.
18510         (cmpqi): Use h8300_dst_operand for the first operand and
18511         h8300_src_operand for the second.
18512         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
18513         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
18514         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
18515         iorsi3, xorhi3, xorsi3): Likewise.
18516         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
18517         so that it allows any combination of operands for TARGET_H8300SX.
18518         (iorqi3, xorqi3): Likewise.
18519         (cmpqi): Use the length_table attribute.
18520         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
18521         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
18522         (cmpqi): Add 'Q' constraint.
18523         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
18524         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
18525         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
18526         * config/h8300/h8300.h (MASK_H8300SX): New macro.
18527         (TARGET_H8300S): True for both -ms and -msx.
18528         (TARGET_H8300SX): New macro.
18529         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
18530         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
18531         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
18532         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
18533         [Temporary change.]
18534         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
18535         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
18536         16-bit pointers and 32-bit ints.
18537         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
18538         CONST_DOUBLE with mode no wider than SImode.
18539         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
18540         output operand.
18541         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
18542         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
18543         or SUBREG thereof.
18544         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
18545         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
18546         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
18547
18548 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
18549
18550         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
18551
18552 2004-07-07  Per Bothner  <per@bothner.com>
18553
18554         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
18555
18556 2004-07-07  Mike Stump  <mrs@apple.com>
18557
18558         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
18559         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
18560         (machopic_finish): Likewise.
18561
18562 2004-07-07  Richard Henderson  <rth@redhat.com>
18563
18564         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
18565         through any value-preserving cast.
18566
18567 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
18568
18569         * function.c (assign_parm_find_data_types): Call
18570         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
18571
18572 2004-07-07  Steven Bosscher  <stevenb@suse.de>
18573
18574         * tree-cfg.c (group_case_labels): Remove case labels that have
18575         the same target as the default case.
18576
18577 2004-07-07  Steven Bosscher  <stevenb@suse.de>
18578
18579         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
18580         regardless of DECL_LANG_SPECIFIC being present or not.
18581         * tree.h (DECL_NUM_STMTS): Purge.
18582
18583 2004-07-07  Andrew Pinski  <apinski@apple.com>
18584
18585         * configure: Regenerate with the right autoconf.
18586
18587 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
18588
18589         * ifcvt.c (total_bb_rtx_cost): New function.
18590         (find_if_case_1): Compare rtx_cost of basic block to cost of
18591         BRANCH_COST insns.
18592         (find_if_case_2): Same.
18593
18594 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18595
18596         PR target/10567
18597         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
18598         (output_return): Likewise.
18599         (output_sibcall): Abort if !flag_delayed_branch.
18600         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
18601         (emit_and_preserve): New function.
18602         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
18603         indirect jump to the thunked-to function if !flag_delayed_branch.
18604         * config/sparc/sparc.md (delayed_branch): New attribute.
18605         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
18606         attribute to compute the length of the insn.
18607         (goto_handler_and_restore): Likewise.
18608
18609 2004-07-07  Andrew Pinski  <apinski@apple.com>
18610
18611         PR tree-optimization/15777
18612         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
18613
18614         * expr.c (expand_expr_real_1): Fix formating.
18615         BUFFER_REF and IN_EXPR are dead.
18616         * fold-const.c (non_lvalue): BUFFER_REF is dead.
18617         * tree-inline.c (estimate_num_insns_1): Likewise.
18618         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
18619         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
18620         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
18621
18622 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
18623
18624         * collect2.c (dump_file): Don't call cplus_demangle if
18625         HAVE_LD_DEMANGLE is defined.
18626         (main): Pass "--demangle" to ld if no_demangle is not 0 and
18627         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
18628         if HAVE_LD_DEMANGLE is defined.
18629
18630         * configure.ac (--with-demangler-in-ld): Added
18631         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
18632         --with-demangler-in-ld is used.
18633         * config.in: Regenerated.
18634         * configure: Likewise.
18635
18636 2004-07-07  Roger Sayle  <roger@eyesopen.com>
18637
18638         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
18639         for simple floating point operations "fp", double precision
18640         multiplication "dmul", and single and double precision division
18641         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
18642         (ppc630_cost): New table split from ppc620_cost, to distinguish
18643         differences in floating point latencies.
18644         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
18645         (rs6000_rtx_costs): Add support for single and double precision
18646         floating point addition, subtraction, multiplication, division,
18647         fused-multiply-add, fused-multiply-sub, negation, absolute value
18648         and negative absolute value.  Tweak MEM case to use prefered idiom.
18649
18650 2004-07-07  Richard Henderson  <rth@redhat.com>
18651
18652         * tree-flow-inline.h (may_propagate_copy): Move...
18653         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
18654         attempt to copy between types requiring conversion.
18655         * tree-flow.h (may_propagate_copy): Update decl.
18656         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
18657
18658 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
18659
18660         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
18661         from -mtune= option.
18662
18663 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
18664
18665         * builtins.c: Rename movstr*, except for movstrict*, to
18666         movmem* and clrstr* to clrmem*.
18667         * expr.c: Likewise.
18668         * expr.h: Likewise.
18669         * genopinit.c: Likewise.
18670         * integrate.c: Likewise.
18671         * local-alloc.c: Likewise.
18672         * optabs.c: Likewise.
18673         * optabs.h: Likewise.
18674         * config/alpha/alpha.h: Likewise.
18675         * config/alpha/alpha.md: Likewise.
18676         * config/arm/arm-protos.h: Likewise.
18677         * config/arm/arm.c: Likewise.
18678         * config/arm/arm.md: Likewise.
18679         * config/avr/avr.md: Likewise.
18680         * config/c4x/c4x.c: Likewise.
18681         * config/c4x/c4x.md: Likewise.
18682         * config/frv/frv.md: Likewise.
18683         * config/i386/i386-protos.h: Likewise.
18684         * config/i386/i386.c: Likewise.
18685         * config/i386/i386.h: Likewise.
18686         * config/i386/i386.md: Likewise.
18687         * config/i860/i860.c: Likewise.
18688         * config/i860/i860.md: Likewise.
18689         * config/ip2k/ip2k.md: Likewise.
18690         * config/ip2k/libgcc.S: Likewise.
18691         * config/ip2k/t-ip2k: Likewise.
18692         * config/m32r/m32r.c: Likewise.
18693         * config/m32r/m32r.md: Likewise.
18694         * config/mcore/mcore.md: Likewise.
18695         * config/mips/mips.c: Likewise.
18696         * config/mips/mips.md: Likewise.
18697         * config/ns32k/ns32k.c: Likewise.
18698         * config/ns32k/ns32k.h: Likewise.
18699         * config/ns32k/ns32k.md: Likewise.
18700         * config/pa/pa.c: Likewise.
18701         * config/pa/pa.md: Likewise.
18702         * config/pdp11/pdp11.h: Likewise.
18703         * config/pdp11/pdp11.md: Likewise.
18704         * config/rs6000/rs6000.c: Likewise.
18705         * config/rs6000/rs6000.md: Likewise.
18706         * config/s390/s390-protos.h: Likewise.
18707         * config/s390/s390.c: Likewise.
18708         * config/s390/s390.md: Likewise.
18709         * config/sh/lib1funcs.asm: Likewise.
18710         * config/sh/sh.c: Likewise.
18711         * config/sh/sh.md: Likewise.
18712         * config/sh/t-sh: Likewise.
18713         * config/sparc/sparc.h: Likewise.
18714         * config/vax/vax.md: Likewise.
18715         * config/xtensa/xtensa.c: Likewise.
18716         * config/xtensa/xtensa.md: Likewise.
18717         * doc/invoke.texi: Likewise.
18718         * doc/md.texi: Likewise.
18719         * doc/rtl.texi: Likewise.
18720
18721 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
18722
18723         PR target/16407
18724         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
18725         * config/mips/mips.c (mips_declare_common_object): New function,
18726         mostly split out from...
18727         (mips_output_aligned_decl_common): ...here.
18728         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
18729         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
18730         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
18731         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
18732
18733 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18734
18735         PR c/16392
18736         * function.c (assign_parms): Fix typo from previous change.
18737
18738 2004-07-07  Jason Merrill  <jason@redhat.com>
18739
18740         PR c++/15815
18741         * doc/extend.texi (C++ Interface): Correct information and
18742         discourage use.
18743
18744 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
18745
18746         PR target/16130
18747         PR target/16142
18748         PR target/16143
18749         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
18750         insn.
18751
18752 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
18753
18754         PR target/1679.
18755         * config/m32r/m32r.c (m32r_function_symbol): New function:
18756         Generate a symbol name RTX with the correct m32r specific flags
18757         set.
18758         (block_move_call): Use new function to generate correct symbol.
18759         * config/m32r/m32r-protos.h: Add prototype for new funcion.
18760         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
18761         function.
18762
18763 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
18764
18765         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
18766         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
18767         TYPE_BINFO_BASETYPE): Remove.
18768         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
18769         to ...
18770         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
18771         here.
18772         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
18773         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
18774         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
18775         (struct tree_binfo): Rename base_types to base_binfos.
18776         * alias.c (record_component_aliases): Adjust BINFO macros.
18777         * dbxout.c (dbxout_type): Likewise.
18778         * dwarf2out.c (gen_member_die): Likewise.
18779         * sdbout.c (sdbout_one_type): Likewise.
18780         * tree-dump.c (deque_and_dump): Likewise.
18781         * config/i386/i386.c (classify_argument,
18782         contains_128bit_aligned_vector_p): Likewise.
18783
18784 2004-07-07  Nick Clifton  <nickc@redhat.com>
18785
18786         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
18787         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
18788
18789 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
18790
18791         * vec.h: Fix the example use.
18792
18793 2004-07-06  Richard Henderson  <rth@redhat.com>
18794
18795         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
18796         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
18797         * tree-inline.c (copy_body_r, setup_one_parameter,
18798         initialize_inlined_parameters, expand_call_inline,
18799         declare_inline_vars): Don't check it.
18800         (expand_calls_inline): Remove old version, rename new version
18801         from gimple_expand_calls_inline.
18802         * tree-optimize.c (execute_gimple): Remove.
18803         (pass_gimple): Don't run anything.
18804
18805 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
18806
18807         * doc/sourcebuild.texi: Use semicolons instead of commas in
18808         section title.
18809
18810 2004-07-06  Richard Henderson  <rth@redhat.com>
18811
18812         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
18813         (sra_walk_modify_expr, scan_init): Likewise.
18814         (generate_element_zero): Check visited before scanning children.
18815         (generate_element_init): Set visited on error.
18816         (scalarize_init): Handle generate_element_init failure similar
18817         to use_block_copy.
18818
18819 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
18820
18821         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
18822         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
18823
18824 2004-07-06  Richard Henderson  <rth@redhat.com>
18825
18826         * config/i386/i386.c (legitimize_pic_address): Make static.
18827         (legitimize_address): Handle CONST with TLS operand.
18828         (ix86_expand_move): Don't call legitimize_pic_address directly.
18829         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
18830
18831 2004-07-06  Roger Sayle  <roger@eyesopen.com>
18832
18833         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
18834         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
18835         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
18836         is currently executed unconditionally, i.e. not in "else_bb".
18837
18838 2004-07-06  Steven Bosscher  <stevenb@suse.de>
18839
18840         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
18841         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18842         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
18843         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18844         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
18845         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18846         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
18847         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18848         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
18849         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18850         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
18851         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18852         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
18853         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18854         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
18855         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18856
18857 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
18858
18859         * dojump.c (do_jump): REFERENCE_EXPR is dead.
18860         * expr.c (expand_expr_real_1): Ditto.
18861         * tree-inline.c (estimate_num_insns_1): Ditto.
18862         * tree-pretty-print.c (dump_generic_node): Ditto.
18863         (op_symbol): Ditto.
18864         * tree.def: Ditto.
18865
18866 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
18867
18868         * tree-ssa-pre.c (reference_node_pool): New pool.
18869         (find_or_generate_expression): Class 'r' is okay too.
18870         (create_value_expr_from): Ditto.
18871         (add_to_sets): LHS should not include vuses.
18872         (eliminate): Ditto.
18873         (compute_avail): Reverse ordering of tests.
18874         Valuize INDIRECT_REF as well.
18875
18876 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
18877
18878         PR rtl-optimization/16380
18879         * loop.c (check_dbra_loop): Sink comparison instructions if they
18880         do something other than set cc0.
18881
18882 2004-07-06  James E Wilson  <wilson@specifixinc.com>
18883
18884         * doc/interface.texi (longjmp and automatic variables): Delete
18885         paragraph recommending taking the address of a variable.
18886
18887 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
18888
18889         * vec.h (VEC_embedded_alloc): Remove.
18890         (VEC_embedded_size, VEC_embedded_init): New.
18891         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
18892         MEM_STAT_INFO.
18893         (VEC_truncate): New.
18894         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
18895         (vec_embedded_alloc): Remove.
18896         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
18897         (vec_embedded_alloc): Remove.
18898
18899 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
18900
18901         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
18902         (gt-langhooks.h): Remove.
18903
18904 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
18905
18906         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
18907
18908 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
18909
18910         * config/sparc/sparc.c (get_pc_symbol): Rename into
18911         add_pc_to_pic_symbol.
18912         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
18913         (load_pic_register): Account for previous changes.
18914         Use reg_names.  Don't create the label twice.
18915         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
18916         UNSPEC_LOAD_PCREL_SYM.
18917         (get_pc): Rename into load_pcrel_sym.  Add predicate to
18918         operands.  Remove condition.
18919
18920 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
18921
18922         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
18923         RECORD, UNION & QUAL_UNION is actually a binfo.
18924
18925         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
18926         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
18927         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
18928         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
18929         * dwarf2out.c (add_data_member_location_attribute): Likewise.
18930         (gen_inheritance_die): Likewise.
18931         * tree-dump.c (deque_and_dump): Likewise.
18932         * doc/c-tree.texi (Binfos): Add under reconstruction note.
18933
18934 2004-07-06  Steven Bosscher  <stevenb@suse.de>
18935
18936         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
18937         Define.
18938         * config/mcore/mcore.md: Model memory latency with a simple DFA
18939         pipeline description instead of a define_function_unit.
18940
18941 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
18942
18943         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
18944         * langhooks.h (var_mod_type_p): Likewise.
18945         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
18946         * expr.c (count_type_elements): Properly handle return from
18947         array_type_nelts and properly test for overflow.
18948         * gimplify.c (gimplify_init_constructor): Properly handle return
18949         from array_type_nelts.
18950         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
18951         * integrate.c (copy_decl_for_inlining): Correct comments.
18952         * tree-inline.c (remap_decl): Update comments, remove dead code,
18953         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
18954         (remap_type): Only remap if variably modified by vars in function
18955         being inlined.
18956         (copy_body_r): Use compatible_type langhooks to see when can fold.
18957         (setup_one_parameter): Don't remap type.
18958         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
18959         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
18960         compute TREE_INVARIANT for decl case.
18961         (find_var_from_fn): New function.
18962         (variably_modified_type_p): Add arg and call new function.
18963         * tree.h (variably_modified_type_p): Add extra arg.
18964
18965 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
18966
18967         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
18968         (goto_handler_and_restore_v9): Delete disabled insn.
18969         (goto_handler_and_restore_v9_sp64): Likewise.
18970
18971 2004-07-05  Roger Sayle  <roger@eyesopen.com>
18972
18973         * calls.c (load_register_parameters): Call expand_shift instead
18974         of expand_binop with ashl_optab (or other shift optab) directly.
18975         * expr.c (emit_group_load, emit_group_store): Likewise.
18976         * function.c (assign_parm_setup_block): Likewise.
18977         * stmt.c (shift_return_value): Likewise.
18978
18979 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
18980
18981         * expr.c (expand_assignment): Disable the bitfield += optimizations.
18982
18983 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
18984
18985         * doc/sourcebuild.texi: Revert previous patch.
18986
18987 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
18988
18989         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
18990         TARGET_MEM_FUNCTIONS.
18991         * system.h: Poison TARGET_MEM_FUNCTIONS.
18992         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
18993         bcmp_libfunc, bzero_libfunc): Remove.
18994         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
18995         bzero_libfunc.
18996         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
18997         * doc/standards.texi: Don't mention calling BSD string functions.
18998         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
18999         * config/vax/t-memfuncs: New.
19000         * config/memcmp.c, config/memcpy.c, config/memmove.c,
19001         config/memset.c: New.
19002         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
19003         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
19004         vax/t-memfuncs.
19005         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
19006         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
19007         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
19008         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
19009         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
19010         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
19011         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
19012         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
19013         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
19014         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
19015
19016 2004-07-05  Richard Henderson  <rth@redhat.com>
19017
19018         * function.c (assign_parm_setup_reg): Properly rename variables in
19019         FUNCTION_ARG_CALLEE_COPIES section.
19020
19021 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
19022
19023         * tree-mudflap.c: Include cgraph.h.
19024         (mf_init_extern_trees): Rename to mudflap_init.  Export.
19025         Rewrite to create synthetic declarations instead of looking
19026         up declarations from mf-runtime.h.
19027         (mf_make_builtin, mf_make_cache_struct_type): New functions.
19028         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
19029         Correct commentary.
19030         (execute_mudflap_function_decls, mudflap_register_call):
19031         Don't call mf_init_extern_trees.
19032         (mudflap_finish_file): Use cgraph_build_static_cdtor.
19033
19034         * tree-mudflap.h: Update prototypes.
19035         * c-mudflap.c: Delete file.
19036         * c-common.c: Include tree-mudflap.h.
19037         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
19038         * Makefile.in: Remove all references to c-mudflap.o.
19039         Update dependencies.
19040
19041 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19042
19043         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
19044         displacements with the spatial-locality cache-control completer.
19045
19046 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
19047
19048         * langhooks.c: Don't include gt-langhooks.h.
19049         (var_labelno): Delete.
19050         (lhd_set_decl_assembler_name): Do not append a distinguishing
19051         number to file-scope internal-linkage declarations for the first
19052         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
19053         the declaration itself (if at block scope), or its containing
19054         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
19055         number.
19056
19057         * opts.c (cur_in_fname): New global.
19058         * opts.h: Declare it.
19059         * tree.c: Include opts.h.
19060         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
19061         DECL_UID equal to cur_in_fname.
19062         (copy_node_stat): Do not change DECL_UID when copying a
19063         TRANSLATION_UNIT_DECL.
19064         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
19065         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
19066
19067         * c-decl.c (c_static_assembler_name): Delete.
19068         * c-tree.h (c_static_assembler_name): Delete prototype.
19069         * c-lang.c, objc/objc-lang.c: Don't override
19070         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
19071
19072         * Makefile.in (tree.o): Update dependencies.
19073         (GTFILES): Remove langhooks.c.
19074
19075 2004-07-05  Roger Sayle  <roger@eyesopen.com>
19076
19077         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
19078         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
19079         Normalize "X % C" as "X % -C" for signed modulus and negative C.
19080         Optimize "X % -Y" as "X % Y" for signed modulus.
19081         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
19082         into "((unsigned) X % Y) == 0".
19083
19084 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
19085
19086         * sourcebuild.texi (Config Fragments): Use @comma{} in
19087         cross-reference to section title.
19088
19089 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19090
19091         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
19092         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
19093         (gimplify_target_expr, gimplify_expr): Likewise.
19094         (copy_if_shared_r): No longer need special case for BIND_EXPR.
19095         (unshare_body, unvisit_body): Only look at nested if BODY_P is
19096         whole function.
19097         (gimplify_compound_lval): See if we can strip any useless conversion.
19098         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
19099         from RHS, not LHS.
19100         (gimplify_modify_expr_to_memset): Likewise.
19101         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
19102         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
19103         (declare_inline_vars): Likewise.
19104         (walk_type_fields): New function.
19105         (walk_tree): Use it.
19106         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
19107
19108         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
19109         (sra_walk_modify_expr): Allow init function to fail.
19110         (scan_init): Now returns bool.
19111         (generate_element_init): If can't understand INIT, return false.
19112         (scalarize_init): Return false if generate_element_init does.
19113
19114         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
19115         print bounds.
19116
19117         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
19118         bounds if bounds aren't constant.
19119
19120         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
19121
19122         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
19123         to type hooks; remove bogus PARAMS.
19124
19125 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
19126
19127         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
19128         * dwarf2out.c (add_data_member_location_attribute): Check for
19129         TREE_BINFO.
19130         * tree.c (tree_node_kinds): Add "binfos".
19131         (binfo_lang_slots): New.
19132         (make_node_stat): Add TREE_BINFO.
19133         (make_tree_binfo_stat): New.
19134         (tree_node_structure): Add TREE_BINFO.
19135         * tree.def (TREE_BINFO): New.
19136         * tree.h (REC_OR_UNION_CHECK): Rename to ...
19137         (RECORD_OR_UNION_CHECK): ... here.
19138         (NOT_RECORD_OR_UNION_CHECK): New.
19139         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
19140         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
19141         RECORD_OR_UNION_CHECK.
19142         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
19143         (TYPE_LANG_SLOT_1): New.
19144         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
19145         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
19146         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
19147         (BINFO_ELTS): Remove.
19148         (BINFO_LANG_SLOT): New.
19149         (struct tree_binfo): New.
19150         (binfo_lang_slots): Declare.
19151         (enum tree_node_structure_enum): Add TS_BINFO.
19152         (union tree_node): Add binfo.
19153         (make_tree_binfo_stat): Declare.
19154         (make_tree_binfo): New.
19155         (enum tree_node_kind): Add binfo_kind.
19156
19157         * objc/objc-act.c (start_class, objc_declare_protocols,
19158         start_protocols): Use TYPE_LANG_SLOT_1.
19159         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
19160         to ...
19161         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
19162         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
19163         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
19164         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
19165
19166 2004-07-05  Steven Bosscher  <stevenb@suse.de>
19167
19168         * rtl.h (struct rtx_def): Remove the integrated flag.
19169         Use the return_val flag for MEM_SCALAR_P.
19170         Reshuffle and update flags in CLEAR_RTX_FLAGS.
19171
19172 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
19173
19174         PR target/16357
19175         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
19176         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
19177         move_by_pieces.
19178
19179 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
19180
19181         * var-tracking.c: Fix some comments.
19182         (frame_stack_adjust): New.
19183         (vt_stack_adjustments): Init stack_adjust of entry block to
19184         minus stack adjustment of function prologue.
19185         (adjust_stack_reference): Do not adjust if adjustment == 0.
19186         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
19187         (emit_notes_in_bb): Likewise.
19188         (vt_add_function_parameters): Do not adjust locations of
19189         function arguments.
19190         (vt_initialize): Compute the stack adjustment of function
19191         prologue and offset the initial "location" of frame_base_decl
19192         from the stack pointer after prologue.
19193
19194 2004-07-04  Richard Henderson  <rth@redhat.com>
19195
19196         * function.c (struct assign_parm_data_all): New.
19197         (struct assign_parm_data_one): New.
19198         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
19199         assign_parm_find_data_types, assign_parms_setup_varargs,
19200         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
19201         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
19202         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
19203         assign_parm_setup_block, assign_parm_setup_reg,
19204         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
19205         (assign_parms): ... here.
19206
19207 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
19208
19209         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
19210         now are bitmap_set_t's.
19211         (bitmap_insert_into_set): No point in inserting the value if
19212         it's invariant.
19213         (bitmap_set_contains): New function.
19214         (bitmap_set_replace_value): Add comment on why we do it
19215         this way.
19216         (set_contains): Removed.
19217         (bitmap_set_subtract_from_value_set): New name of
19218         set_subtract now that it's arguments are two different
19219         types of sets.
19220         Update callers.
19221         (bitmap_find_leader): Change algorithm used.
19222         (find_or_generate_expression): Update use of functions for new
19223         bitmap sets.
19224         (create_expression_by_pieces): Ditto.
19225         (insert_aux): Ditto.
19226         (insert): Ditto.
19227         (add_to_sets): Ditto.
19228         (init_pre): Ditto.
19229         (execute_pre): Ditto.
19230         (compute_avail): Ditto.
19231         Also ignore virtual phis.
19232
19233 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
19234
19235         * combine.c (simplify_comparison): Fix comment typo.
19236
19237 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
19238
19239         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
19240         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
19241         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
19242         (output_restore): Change parameter from 'insn' to 'pat'.
19243         (output_return): Adjust call to output_restore.
19244         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
19245         Adjust call to output_restore.
19246
19247 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
19248
19249         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
19250         and assert system is bsd.
19251
19252 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
19253
19254         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
19255         (TARGET_SWITCHES): Remove -mdebugc.
19256         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
19257         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
19258         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
19259         (sle_[sd]i_reg): Delete.
19260
19261 2004-07-04  Steven Bosscher  <stevenb@suse.de>
19262
19263         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
19264         Define.
19265         * config/iq2000/iq2000.md: Translate old pipeline description to an
19266         equivalent new one.
19267
19268 2004-07-04  Roger Sayle  <roger@eyesopen.com>
19269
19270         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
19271         Ensure the replacement rhs is valid gimple before performing
19272         the substitution.  Return false if these sanity checks fail.
19273         (fold_stmt): Only set changed to true, if set_rhs returns true.
19274         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
19275         succeeds.
19276
19277 2004-07-04  Richard Henderson  <rth@redhat.com>
19278
19279         PR c/16348
19280         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
19281
19282 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
19283
19284         * configure.ac (ranlib_flags): New variable.
19285         * Makefile.in (RANLIB_FLAGS): New variable.
19286         (libbackend.a): Use it.
19287         * configure: Regenerated.
19288
19289 2004-07-04  Roger Sayle  <roger@eyesopen.com>
19290
19291         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
19292         a "sign mask" instead of using ashr_optab directly.
19293
19294 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
19295
19296         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
19297         * doc/cppopts.texi: Clarify processing of command-line defines.
19298
19299 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
19300
19301         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
19302
19303 2004-07-04  Richard Henderson  <rth@redhat.com>
19304
19305         * rtl.def (ADDRESSOF): Remove.
19306         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
19307         (find_base_term, memrefs_conflict_p): Likewise.
19308         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
19309         (fold_rtx, cse_insn, set_live_p): Likewise.
19310         * dwarf2out.c (mem_loc_descriptor): Likewise.
19311         (add_location_or_const_value_attribute): Likewise.
19312         * emit-rtl.c (copy_insn_1): Likewise.
19313         * explow.c (memory_address): Likewise.
19314         * expmed.c (store_split_bit_field): Likewise.
19315         * expr.c (expand_expr_real_1): Likewise.
19316         * function.c (instantiate_decl
19317         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
19318         * genrecog.c (preds, validate_pattern): Likewise.
19319         * integrate.c (copy_rtx_and_substitute): Likewise.
19320         * recog.c (general_operand, register_operand): Likewise.
19321         (memory_address_p): Likwise.
19322         * reload1.c (eliminate_regs, elimination_effects): Likewise.
19323         * rtl.c (copy_rtx): Likewise.
19324         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
19325         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
19326         * rtlhooks.c (gen_lowpart_general): Likewise.
19327         * stmt.c (expand_asm_operands): Likewise.
19328         * web.c (entry_register, replace_ref, web_main): Likewise.
19329         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
19330         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
19331         * config/arm/arm.c (thumb_rtx_costs): Likewise.
19332         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
19333         * config/frv/frv.c (move_destination_operand, move_source_operand,
19334         condexec_dest_operand, condexec_source_operand,
19335         condexec_memory_operand): Likewise.
19336         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
19337         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
19338         (destination_xfmode_operand): Likewise.
19339         * config/mips/mips.h (PREDICATE_CODES): Likewise.
19340         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
19341         * config/s390/s390.c (general_s_operand): Likewise.
19342         * config/s390/s390.md (mov*): Likewise.
19343         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
19344
19345         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
19346         * expr.c (expand_expr_real_1): Likewise.
19347         * stmt.c (expand_decl): Likewise.
19348         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
19349
19350         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
19351         postponed_insns, put_var_into_stack, put_reg_into_stack,
19352         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
19353         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
19354         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
19355         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
19356         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
19357         purge_bitfield_addressof_replacements, purge_addressof_replacements,
19358         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
19359         struct insns_for_mem_walk_info, insns_for_mem_walk,
19360         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
19361         setjmp_protect_args): Remove.
19362         (push_function_context_to): Don't handle var_refs_queue.
19363         (pop_function_context_from, free_after_compilation): Likewise.
19364         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
19365         (assign_parms, allocate_struct_function): Likewise.
19366         (use_register_for_decl): New.
19367         (expand_function_end): Don't setjmp_protect.
19368         * function.h (struct emit_status): Update commentary.
19369         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
19370         (max_parm_reg, parm_reg_stack_loc): Remove.
19371         * passes.c (DFI_addressof): Remove.
19372         (dump_file_info): Remove addressof.
19373         (rest_of_handle_addressof): Remove.
19374         (rest_of_compilation): Don't call it.
19375         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
19376         * stmt.c (expand_decl): Use use_register_for_decl.
19377         * tree.h: Update decls.
19378         * web.c (mark_addressof): Remove.
19379         * doc/invoke.texi (-dF): Remove.
19380
19381 2004-07-03  Richard Henderson  <rth@redhat.com>
19382
19383         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
19384         instead of gen_mem_addressof.
19385         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
19386         TImode output register.
19387
19388 2004-07-03  Richard Henderson  <rth@redhat.com>
19389
19390         PR tree-optimization/16341
19391         * tree-sra.c (sra_walk_function): Increment to next stmt before
19392         processing the current stmt.
19393         (sra_insert_after): Always use BSI_SAME_STMT.
19394
19395 2004-07-03  Richard Henderson  <rth@redhat.com>
19396
19397         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
19398         fp plus with minus.
19399
19400 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
19401
19402         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
19403         with tree_int_cst_equal.
19404
19405 2004-07-03  Andreas Schwab  <schwab@suse.de>
19406
19407         * config/ia64/ia64.md: Define new attribute "empty".
19408         (prologue_use, nop_x, insn_group_barrier): Set it.
19409
19410         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
19411         skip over "empty" insns.
19412
19413 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19414
19415         * tree-inline.c (initialize_inlined_parameters): Pass proper function
19416         context to gimplify_body.
19417         (walk_tree): Don't walk into types twice.
19418         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
19419
19420         * tree-sra.c (generate_element_init): Remove any useless conversions.
19421
19422         * gimplify.c (gimplify_conversion): Remove stripping useless
19423         conversions from here.
19424         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
19425         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
19426         Unshare before substituting PLACEHOLDER_EXPR.
19427         (gimplify_modify_expr_to_memset): Likewise.
19428         Pass address of TO to memset, not TO itself.
19429         (gimplify_init_constructor): Make copy of OBJECT so we have it each
19430         time we make an expression (to match a PLACEHOLDER_EXPR).
19431
19432         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
19433         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
19434         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
19435         * tree-ssa-dom.c (local_fold): Likewise.
19436
19437         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
19438         * langhooks.h (strct lang_hooks): New field type_max_size.
19439         * function.c (assign_temp): Call it.
19440
19441 2004-07-03  Steven Bosscher  <stevenb@suse.de>
19442
19443         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
19444         * config/sh/sh.md: Convert the SH1 pipeline description to
19445         a DFA model.
19446
19447 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
19448
19449         * c-decl.c (struct c_binding): Remove contour field; add
19450         depth, invisible, nested fields.
19451         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
19452         (B_IN_EXTERNAL_SCOPE): New convenience macros.
19453         (bind): Add invisible and nested arguments. Initialize
19454         new fields of struct c_binding; adjust loop scanning for
19455         insertion point.
19456         (free_binding_and_advance): Clear structure with memset.
19457         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
19458         in file scope, even if it's in external scope too.
19459         (pushdecl): Adjust to match.  Create invisible file-scope
19460         declarations for block-scope forward declarations of static functions.
19461         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
19462         (undeclared_variable, lookup_label, declare_label, define_label)
19463         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
19464         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
19465         (store_parm_decls_oldstyle): Adjust to match.
19466         (diagnose_mismatched_decls): Correct handling of linkage clashes.
19467         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
19468
19469         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
19470         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
19471
19472 2004-07-02  Richard Henderson  <rth@redhat.com>
19473
19474         * c-decl.c (grokdeclarator): Don't frob current_function_decl
19475         around variable_size.
19476         (set_decl_nonlocal): Remove.
19477         (store_parm_decls): Add stmts for pending sizes.
19478         * calls.c (calls_function, calls_function_1): Remove.
19479         (precompute_arguments): Don't call it.
19480         * cfgexpand.c (set_save_expr_context): Remove.
19481         (tree_expand_cfg): Don't call it.
19482         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
19483         (dwarf2out_finish): Likewise.
19484         * expr.c (emit_block_move): Adjust addresses to BLKmode.
19485         (store_constructor): Don't pre-evaluate SAVE_EXPR.
19486         (safe_from_p): Don't queue SAVE_EXPRs.
19487         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
19488         or build plain VAR_DECLs.
19489         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
19490         (fold): Likewise.
19491         (fold_checksum_tree): Don't special-case SAVE_EXPR.
19492         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
19493         (put_var_into_stack): Don't handle SAVE_EXPR.
19494         (gen_mem_addressof): Likewise.
19495         * function.h (struct function): Remove x_save_expr_regs.
19496         (save_expr_regs): Remove.
19497         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
19498         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
19499         * stor-layout.c (variable_size): Don't set it.
19500         (force_type_save_exprs, force_type_save_exprs_1): Remove.
19501         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
19502         all callers.  Don't set SAVE_EXPR_CONTEXT.
19503         * tree-inline.h (remap_save_expr): Update decl.
19504         * tree.c (save_expr): Update build size.
19505         (first_rtl_op): Don't handle SAVE_EXPR.
19506         (unsave_expr_1, contains_placeholder_p): Likewise.
19507         (decl_function_context): Likewise.
19508         * tree.def (SAVE_EXPR): Remove args 1 and 2.
19509         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
19510         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
19511
19512 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
19513
19514         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
19515         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
19516         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
19517         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
19518         some first-person references and patronizing comments.  Based on
19519         printed manual.
19520         * doc/invoke.texi: Don't reference fortran@gnu.org.
19521         * doc/trouble.texi (Warning when a non-void function value is
19522         ignored): Rewrite.  From Russ Allbery and Chris Devers.
19523
19524 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
19525
19526         * tree-ssa-pre.c (bitmap_set_t): New.
19527         (bb_value_sets): avail_out is now a bitmap_set_t.
19528         (bitmap_find_leader): New function.
19529         (bitmap_value_insert_into_set): Ditto.
19530         (bitmap_set_copy): Ditto.
19531         (bitmap_value_replace_in_set): Ditto.
19532         (bitmap_set_contains_value): Ditto.
19533         (bitmap_set_new): Ditto.
19534         (bitmap_set_pool): New pool.
19535         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
19536         (insert_aux): Ditto.
19537         (add_to_sets): Ditto.
19538         (compute_avail): Ditto
19539         (eliminate): Ditto.
19540         (init_pre): Ditto.
19541         (fini_pre): Ditto.
19542         (execute_pre): Ditto.
19543
19544 2004-07-02  Roger Sayle  <roger@eyesopen.com>
19545
19546         * config/rs6000/rs6000.c (struct processor_costs): New structure
19547         used to hold instruction latencies/sizes for processor types.
19548         (rs6000_cost): New global variable pointing to current CPU's costs.
19549         (rs6000_override_options): Initialize rs6000_cost to point to the
19550         appropriate cost table based upon rs6000_cpu and optimize_size.
19551         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
19552         timings inline.
19553
19554 2004-07-02  Richard Henderson  <rth@redhat.com>
19555
19556         * expmed.c (make_tree): Don't use SET_DECL_RTL.
19557
19558 2004-07-02  Steven Bosscher  <stevenb@suse.de>
19559
19560         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
19561
19562 2004-07-01  Richard Henderson  <rth@redhat.com>
19563
19564         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
19565         (alpha_gp_save_rtx): Use assign_stack_local instead of
19566         gen_mem_addressof.
19567
19568 2004-07-01  Richard Henderson  <rth@redhat.com>
19569
19570         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
19571         (alpha_rtx_cost_data): Update to match.
19572         (alpha_rtx_cost_size): New.
19573         (alpha_rtx_costs): Honor optimize_size.
19574
19575 2004-07-01  Richard Henderson  <rth@redhat.com>
19576
19577         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
19578         * cfgexpand.c (tree_expand_cfg): Do it here.
19579         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
19580         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
19581         * config/mips/mips.c (mips_output_mi_thunk): And here.
19582         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
19583         * config/sh/sh.c (sh_output_mi_thunk): And here.
19584         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
19585
19586 2004-07-01  Richard Henderson  <rth@redhat.com>
19587
19588         * tree.def (RTL_EXPR): Remove.
19589         * c-typeck.c (lvalue_p): Don't handle it.
19590         * expr.c (safe_from_p): Likewise.
19591         (expand_expr_real_1): Likewise.
19592         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
19593         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
19594         * gengtype.c (adjust_field_tree_exp): Likewise.
19595         * stmt.c (warn_if_unused_value): Likewise.
19596         * tree-gimple.c (recalculate_side_effects): Likewise.
19597         * tree-pretty-print.c (dump_generic_node): Likewise.
19598         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
19599         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
19600         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
19601
19602         * stmt.c (struct stmt_status): Remove x_last_expr_type,
19603         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
19604         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
19605         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
19606         all the bits that tracked last_expr.
19607         (expand_end_bindings): Don't track last_expr.
19608         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
19609         (clear_last_expr): Remove.
19610         (expand_asm): Don't call it.
19611         (expand_asm_operands, expand_end_cond): Likewise.
19612         (expand_naked_return, expand_null_return_1): Likewise.
19613         * c-typeck.c (c_begin_compound_stmt): Likewise.
19614         * cfgexpand.c (expand_block): Use expand_expr_stmt.
19615         * expr.c (expand_expr_real_1): Likewise.
19616         * tree.h: Update prototypes.
19617
19618         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
19619         (struct emit_status): Remove sequence_rtl_expr.
19620         (struct function): Remove x_rtl_expr_chain.
19621         (seq_rtl_expr, rtl_expr_chain): Remove.
19622         * function.c (struct temp_slot): Remove rtl_expr.
19623         (assign_stack_temp_for_type): Don't set it.
19624         (free_temp_slots, pop_temp_slots): Don't check it.
19625         (free_after_compilation): Don't clear x_rtl_expr_chain.
19626         (fixup_var_refs): Don't search it.
19627         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
19628         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
19629         or seq_rtl_expr.
19630         (push_topmost_sequence): Likewise.
19631         (end_sequence, init_emit): Likewise.
19632         (start_sequence_for_rtl_expr): Remove.
19633         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
19634         * rtl.h (preserve_rtl_expr_result): Remove.
19635
19636 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
19637
19638         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
19639         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
19640         typos.
19641
19642 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
19643
19644         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
19645         (STANDARD_STARTFILE_PREFIX_2): Define.
19646         (standard_startfile_prefix_1): Initialize to
19647         STANDARD_STARTFILE_PREFIX_1.
19648         (standard_startfile_prefix_2): Initialize to
19649         STANDARD_STARTFILE_PREFIX_2.
19650         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
19651         (STANDARD_STARTFILE_PREFIX_1): Define.
19652         (STANDARD_STARTFILE_PREFIX_2): Define.
19653         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
19654         (STANDARD_STARTFILE_PREFIX_2): Document.
19655
19656 2004-07-01  Richard Henderson  <rth@redhat.com>
19657
19658         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
19659         in order to disable scalarization.  Instead set a flag and wait
19660         for a candidate decl.
19661
19662 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
19663
19664         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
19665         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
19666         Use terminology "testsuite" and "enumerated".
19667
19668 2004-07-01  Richard Henderson  <rth@redhat.com>
19669
19670         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
19671         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
19672         (initial_return_save): Likewise.
19673         (flush_queued_reg_saves): Remap register numbers.
19674         (dwarf2out_return_reg): Likewise.
19675
19676 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19677
19678         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
19679
19680         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
19681         access functions for lower bound and element size and only output
19682         if lower bound nonzero or element size not same as that of type.
19683         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
19684
19685 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
19686
19687         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
19688
19689 2004-07-01  Per Bothner  <per@bothner.com>
19690
19691         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
19692
19693 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
19694
19695         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
19696         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
19697         first operand.  Don't optimize if the bitfield is volatile.
19698
19699 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
19700
19701         * c-pretty-print.c (pp_c_postfix_expression): Handle
19702         floating-point comparison operators.
19703         (pp_c_expression): Pass floating-point comparison
19704         operators to pp_c_postfix_expression.
19705
19706 2004-07-01  Roger Sayle  <roger@eyesopen.com>
19707
19708         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
19709         rtx_cost instead of "had_mult" to determine whether the transformed
19710         expression is cheaper than the original.
19711
19712 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
19713
19714         * alias.c (get_alias_set, canon_rtx, get_addr,
19715         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
19716         Use MEM_P.
19717         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
19718         expand_builtin): Likewise.
19719         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
19720         Likewise.
19721         * combine.c (can_combine_p, combinable_i3pat, try_combine,
19722         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
19723         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
19724         record_dead_and_set_regs_1, get_last_value_validate,
19725         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
19726         * cse.c (check_dependence, canon_hash, equiv_constant,
19727         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
19728         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
19729         count_reg_usage): Likewise.
19730         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
19731         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
19732         cselib_record_sets): Likewise.
19733         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
19734         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
19735         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
19736         * df.c (df_uses_record): Likewise.
19737         * dojump (do_jump): Likewise.
19738         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
19739         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
19740         decl_start_label): Likewise.
19741         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
19742         operand_subword, change_address_1, make_safe_from): Likewise.
19743         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
19744         stabilize, force_not_mem): Likewise.
19745         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
19746         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
19747         * expr.c (convert_move, convert_modes, emit_block_move,
19748         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
19749         emit_move_insn_1, expand_assignment, store_expr,
19750         store_constructor_field, store_constructor, store_field,
19751         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
19752         Likewise.
19753         * final.c (cleanup_subreg_operands, alter_subreg,
19754         get_mem_expr_from_op): Likewise.
19755         * flow.c (notice_stack_pointer_modification_1,
19756         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
19757         Likewise.
19758         * function.c (mark_temp_addr_taken, preserve_temp_slots,
19759         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
19760         optimize_bit_field, flush_addressof, purge_addressof_1,
19761         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
19762         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
19763         keep_stack_depressed): Likewise.
19764         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
19765         noce_process_if_block, find_memory): Likewise.
19766         * integrate.c (subst_constants, allocate_initial_values): Likewise.
19767         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
19768         update_equiv_regs): Likewise.
19769         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
19770         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
19771         * optabs.c (expand_abs, emit_unop_insn): Likewise.
19772         * passes.c (rest_of_handle_final): Likewise.
19773         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
19774         move2add_note_store): Likewise.
19775         * ra-build.c (detect_remat_webs): Likewise.
19776         * ra-debug.c (dump_static_insn_cost): Likewise.
19777         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
19778         * recog.c (validate_change, apply_change_group, cancel_changes,
19779         validate_replace_rtx_1, general_operand, register_operand,
19780         nonmemory_operand, push_operand, pop_operand, memory_operand,
19781         indirect_operand, asm_operand_ok, offsettable_memref_p,
19782         offsettable_nonstrict_memref_p, constrain_operands,
19783         store_data_bypass_p): Likewise.
19784         * reg-stack.c (subst_stack_regs_pat): Likewise.
19785         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
19786         copy_cost, reg_scan_mark_refs): Likewise.
19787         * regmove.c (optimize_reg_copy_3, stack_memref_p,
19788         combine_stack_adjustments_for_block): Likewise.
19789         * regrename.c (copyprop_hardreg_forward_1): Likewise.
19790         * reload.c (can_reload_into, push_reload, decompose, immune_p,
19791         find_reloads, find_reloads_address, find_reloads_address_1,
19792         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
19793         find_equiv_reg): Likewise.
19794         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
19795         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
19796         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
19797         delete_address_reloads): Likewise.
19798         * resource.c (mark_referenced_resources): Likewise.
19799         * rtlanal.c (get_jump_table_offset, count_occurrences,
19800         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
19801         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
19802         num_sign_bit_copies1): Likewise.
19803         * rtlhooks.c (gen_lowpart_general): Likewise.
19804         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
19805         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
19806         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
19807         sdbout_global_decl): Likewise.
19808         * simplify-rtx.c (simplify_subreg): Likewise.
19809         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
19810         expand_anon_union_decl, expand_end_case_type): Likewise.
19811         * unroll.c (calculate_giv_inc): Likewise.
19812         * var-tracking.c (stack_adjust_offset_pre_post,
19813         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
19814         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
19815         vt_add_function_parameters): Likewise.
19816         * varasm.c (make_var_volatile, notice_global_symbol,
19817         assemble_external, decode_addr_const, mark_weak,
19818         default_encode_section_info): Likewise.
19819
19820 2004-07-01  Steven Bosscher  <stevenb@suse.de>
19821
19822         * stmt.c (check_seenlabel): Remove.
19823         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
19824
19825 2004-07-01  Richard Henderson  <rth@redhat.com>
19826
19827         * function.h (struct function): Remove x_function_call_count.
19828         (function_call_count): Remove.
19829         * calls.c (expand_call): Don't set it.
19830         * integrate.c (copy_rtx_and_substitute): Likewise.
19831
19832         * function.h (struct function): Remove x_cleanup_label.
19833         (cleanup_label): Remove.
19834         * stmt.c (expand_value_return): Don't use it.
19835         * function.c (free_after_compilation): Don't set it.
19836         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
19837         * cfgexpand.c (tree_expand_cfg): Update call.
19838         * tree.h (expand_function_start): Update decl.
19839
19840 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
19841
19842         PR c/1027
19843         * c-lang.c (c_initialize_diagnostics): Move from here ...
19844         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
19845         (c_tree_printer): Use pretty-printer to format %T.
19846         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
19847         before '*' if not C++.
19848         (pp_c_direct_abstract_declarator): Don't try to print array upper
19849         bound for flexible array members.
19850         * c-tree.h: Include "diagnostic.h".
19851         (c_initialize_diagnostics): Declare.
19852         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
19853         * c-format.c (format_type_warning): New function.  Improve
19854         diagnostics for incorrect format argument types.
19855         (check_format_types): Use it.  Add two parameters.  Use the
19856         TYPE_MAIN_VARIANT of wanted_type.
19857         (check_format_info_main): Pass new parameters to
19858         check_format_types.
19859         (struct format_wanted_type): Update comment.
19860
19861 2004-07-01  Nick Clifton  <nickc@redhat.com>
19862
19863         * target.h (struct gcc_target): Add new field to struct cxx:
19864         import_export_class.
19865         * target-def.h (TARGET_CXX): Initialise the new field.
19866         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
19867         the new field.
19868         * doc/tm.texi: Document the new target hook.
19869
19870 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
19871
19872         * builtins.c (fold_builtin_classify): Fix typo.
19873
19874 2004-07-01  Richard Henderson  <rth@redhat.com>
19875
19876         * function.c (identify_blocks, identify_blocks_1): Remove.
19877         * function.h (identify_blocks): Remove.
19878         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
19879
19880 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
19881
19882         * builtins.c (fold_builtin_classify): New.
19883         (fold_builtin_unordered_cmp): Fix commentary.
19884         (fold_builtin): Use it.
19885         * builtins.def: Define builtins for isnan,
19886         isnanf, isnanl, finite, finitef, finitel,
19887         isinf, isinff, isinfl.
19888
19889 2004-07-01  Richard Henderson  <rth@redhat.com>
19890
19891         * function.h (struct function): Remove dont_emit_block_notes.
19892         * gimple-low.c (lower_function_body): Don't set it.
19893         * cfgexpand.c (expand_block): Don't check it.
19894         * cfglayout.c (insn_locators_initialize): Likewise.
19895         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
19896         * passes.c (rest_of_compilation): Likewise.
19897         * stmt.c (expand_start_bindings_and_block): Likewise.
19898         (expand_end_bindings): Likewise.
19899
19900 2004-07-01  Richard Henderson  <rth@redhat.com>
19901
19902         * cgraph.h (cgraph_build_static_cdtor): Declare.
19903         * cgraphunit.c (cgraph_build_static_cdtor): New.
19904         * c-objc-common.c (build_cdtor): Use it.
19905         * coverage.c (create_coverage): Likewise.
19906         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
19907         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
19908
19909 See ChangeLog.11 for earlier changes.