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* config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
2
3         * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
4         names.
5
6 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
7
8         * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.
9
10 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
11
12         * gcse.c (compute_transp, load_killed_in_block): Use 
13         MEM_READONLY_P.
14
15 2005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>
16
17         PR target/21854
18         * config/mips/mips-protos.h: Declare mips_use_ins_ext_p
19         
20 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21
22         * errors.h (warning, error, fatal, internal_error): Add printf
23         attribute.
24         * genmodes.c (make_vector_mode): Fix format arguments.
25
26 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27
28         * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
29         config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
30         lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
31         tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
32         tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
33         tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
34         tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
35         tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
36         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
37         tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
38         tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
39         tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
40         tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
41         errors.h and include toplev.h if necessary.
42         
43         * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
44         errors.h otherwise include toplev.h.
45         
46         * Makefile.in: Update dependencies.
47         
48
49 2005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>
50
51         * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.
52
53 2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>
54
55         * config/rs6000/rs6000.md (sync_boolcshort_internal): New.
56         * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
57         be complemented for big-endian.  Mask for AND must be rotated,
58         not shifted.  Handle short operands with NOT on the memory
59         operation.
60
61 2005-05-30  Daniel Berlin  <dberlin@dberlin.org>
62
63         * c-objc-common.c (c_tree_printer): Check flag before hashtable.
64         Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
65         * dwarf2out.c (dwarf2out_var_location): Ditto.
66         * toplev.c (default_tree_printer): Ditto.
67         * tree-outof-ssa.c (create_temp): Ditto.
68         * tree-sra.c (instantiate_element): Ditto.
69         * var-tracking.c (track_expr_p): Ditto.
70         * tree.c (struct tree_map): New structure.
71         (debug_expr_for_decl): New.
72         (tree_map_eq): New function.
73         (tree_map_hash): Ditto.
74         (tree_map_marked_p): Ditto.
75         (print_debug_expr_statistics): Ditto.
76         (decl_debug_expr_lookup): Ditto.
77         (decl_debug_expr_insert): Ditto.
78         (dump_tree_statistics): Dump debug_expr hashtable stats.
79         * tree.h (DECL_DEBUG_EXPR): Change
80         (SET_DECL_DEBUG_EXPR): Add.
81         
82 2005-06-01  Alan Modra  <amodra@bigpond.net.au>
83
84         * configure.ac: Add --enable-secureplt.
85         (HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
86         * config.in: Regenerate.
87         * configure: Regenerate.
88         * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
89         rs6000/secureplt.h to tm_file when enable_secureplt.
90         * doc/invoke.texi (msecure-plt, mbss-plt): Document.
91         * doc/install.texi: Document --enable-targets and --enable-secureplt.
92         Correct xrefs to "Using the GNU Compiler Collection (GCC)".
93         * config/rs6000/secureplt.h: New file.
94         * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
95         (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
96         assembler support.
97         (CC1_SECURE_PLT_DEFAULT_SPEC): Define.
98         (CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
99         (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
100         * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
101         * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
102         * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
103         TARGET_SECURE_PLT got register load sequence.
104         (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
105         TARGET_SECURE_PLT.
106         (rs6000_elf_declare_function_name): Don't emit toc address offset
107         word when TARGET_SECURE_PLT.
108         * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
109         (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
110         (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
111         (call, call_value): Mark pic_offset_table_rtx used for sysv pic and
112         TARGET_SECURE_PLT.
113         (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
114         sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
115         and -fPIC.
116         * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
117         (__trampoline_setup): Likewise.  Init r30 before plt call.
118
119 2005-05-31  DJ Delorie  <dj@redhat.com>
120
121         * expr.c (convert_move): When a partial_int requires multiple
122         conversion steps, make sure successive steps convert the
123         intermediate value, not the original value.
124
125         * expmed.c (expand_mult): Convert partial_int multiplies to
126         shift/add combinations too.
127
128         * genmodes.c (mode_data): Add wider_2x.
129         (calc_wider_mode): Calculate twice-wider mode too.
130         (emit_mode_wider): Emit twice-wider mode too.
131         * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
132         * expr.c (expand_expr_real_1): Use it for expanding
133         multiplies.
134
135 2005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
136
137         PR tree-optimization/21817
138         * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.
139
140 2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>
141
142         * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
143         change.
144
145 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
146
147         PR middle-end/20931
148         PR middle-end/20946
149         * fold-const.c (fold_checksum_tree): Copy types also if
150         TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
151         Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
152         first.
153         Tail recurse TREE_LIST's TREE_CHAIN.
154
155 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
156
157         PR tree-opt/21732
158         * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
159         SSA_NAME twice and cause the loop to become finite.  Remove the test
160         for val.
161
162 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
163
164         * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
165         expression.
166
167 2005-05-31  Richard Sandiford  <rsandifo@redhat.com>
168
169         * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
170         the documentation to make it more future-proof.
171         (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
172         * target.h (gcc_target): Add check_pch_target_flags.
173         * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
174         (TARGET_INITIALIZER): Include it.
175         * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
176         * config/sh/sh.h (sh_pch_valid_p): Delete.
177         * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
178         (sh_check_pch_target_flags): New function.
179         (TARGET_CHECK_PCH_TARGET_FLAGS): Override default.
180
181 2005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>
182
183         * fold-const.c (extract_array_ref): Handle more cases,
184         do some useful canonicalization of the base.
185         (fold_binary): Explicitly deal with arrays of zero-sized
186         structures during folding of &a[i] == &a[j].
187
188 2005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
189
190         * doc/install.texi (sparc-sun-solaris2*): Update note
191         about Sun bug 4910101.
192         (sparc-sun-solaris2.7): Document bootstrap
193         failure with Sun WorkShop 6 99/08/18 as.
194
195 2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
196
197         * loop.c (loop_invariant_p, valid_initial_value_p): Use
198         regs_invalidated_by_call instead of call_used_regs.
199
200 2005-05-30  Paolo Carlini  <pcarlini@suse.de>
201
202         PR middle-end/21743
203         * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
204         Enable.
205         * doc/extend.texi: Add clog, clogf, clogl.
206
207 2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>
208
209         PR middle-end/20303
210         * c-pragma.c: Include "vec.h".
211         (handle_pragma_visibility): Use VEC.
212
213         * doc/invoke.texi: Remove the nested visibility push limit.
214
215 2005-05-30  Roger Sayle  <roger@eyesopen.com>
216
217         PR rtl-optimization/15422
218         * reg-stack.c (starting_stack_p): New static global.
219         (straighten_stack): Delete prototype. Change to update the stack
220         before the current insn.
221         (subst_stack_regs): Update call to straighten stack.
222         (emit_swap_insn): Delete prototype.  For the first insn in a
223         basic block, update stack_in instead of emitting a real swap.
224         (change_stack): When changing the stack before the first insn
225         in a basic block, update stack_in instead of emitting real code.
226         (compensate_edges): Clear starting_stack_p during compensation.
227         (convert_regs_1): Keep track of starting_stack_p whilst processing
228         a basic block.
229
230 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
231
232         * tree-ssa-ccp.c (const_val): Make it static.
233
234 2005-05-29  Geoffrey Keating  <geoffk@apple.com>
235
236         PR target/21761
237         * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
238         pattern involving `:P'.
239
240         * Makefile.in (install-cpp): Depend on installdirs.
241
242 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
243
244         * tree-outof-ssa.c (_elim_graph): Change the type of edge_list
245         to VEC(int,heap)*.
246         (new_elim_graph, clear_elim_graph, delete_elim_graph,
247         elim_graph_add_edge, elim_graph_remove_succ_edge,
248         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
249         instead of VARRAY.
250
251 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
252
253         * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
254         opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
255         tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
256         follow spelling conventions in error/dump messages.
257
258 2005-05-29  Roger Sayle  <roger@eyesopen.com>
259             Richard Henderson  <rth@redhat.com>
260
261         * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
262         if the RHS isn't suitable for calling emit_move_insn.
263
264 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
265
266         * tree-ssa-ccp.c (ccp_fold): Return immediately after calling
267         fold_unary and fold_binary.
268
269 2005-05-29  Roger Sayle  <roger@eyesopen.com>
270
271         * reg-stack.c (propagate_stack): Always copy the source stack to
272         the destination.  This routine is now only called when this is safe.
273         (better_edge): New function split out from convert_regs_1 to
274         determine which of two edges is better to propagate across.
275         (convert_regs_1):  We need only search for a best edge if the
276         stack layout hasn't been defined yet.  Use better_edge to help
277         find beste.  No longer traverse unnecessary edges.
278
279 2005-05-29  Keith Besaw  <kbesaw@us.ibm.com>
280
281         * tree-ssa-alias.c (new_type_alias): New procedure to
282         create a type memory tag for a pointer with a may-alias
283         set determined from a variable declaration.
284         * tree-flow.h: export declaration of new_type_alias
285         * tree-optimize.c (init_tree_optimization_passes): document
286         that pass_may_alias cannot be called after pass_vectorize.
287         * tree-vect-transform (vect_create_data_ref_ptr): Call
288         new_type_alias when an type memory tag isn't available
289         for a reference.
290         (vectorizable_store): Use copy_virtual_operands to update
291         virtual defs in place (so that loop_version can be called).
292         Call mark_for_renaming for the virtual defs in case peeling
293         is done and virtual uses outside the loop need to be updated.
294
295 2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
296
297         PR tree-optimization/21639
298         * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
299
300 2005-05-29  Jan Hubicka  <jh@suse.cz>
301
302         PR tree-optimization/21562
303         * cfgexpand.c (construct_init_block): Deal properly with the case
304         of entry edge not pointing to very first basic block.
305
306 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
307
308         * tree-ssa-ccp.c (ccp_fold): Remove code that produces
309         non-gimple min invariant.
310
311         * Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
312         * tree-flow.h: Add prototypes for start_recording_case_labels
313         and end_recording_case_labels.
314         * tree-cfg.c (start_recording_case_labels,
315         end_recording_case_labels): Export.
316         (cleanup_tree_cfg_loop, modified_noreturn_calls,
317         cleanup_control_flow, cleanup_control_expr_graph,
318         remove_fallthru_edge, phi_alternatives_equal,
319         tree_forwarder_block_p, has_abnormal_incoming_edge_p,
320         remove_forwarder_block, cleanup_forwarder_blocks,
321         remove_forwarder_block_with_phi, merge_phi_nodes,
322         gate_merge_phi, pass_merge_phi): Move to ...
323         * tree-cfgcleanup.c: ... here.
324
325         * basic-block.h: Remove forward declaration of bb_ann_d.
326
327 2005-05-28  Jan Hubicka  <jh@suse.cz>
328
329         * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
330         Update profile.
331         * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
332         debug output.
333         (tree_mod_subtract): Fix profile updating code.
334         (tree_divmod_values_to_profile): Do not produce useless value profilers
335         for divisions.
336
337 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
338
339         * tree-ssa-dom.c (vrp_element_p): Define.
340         (vrp_hash_elt): Change the type of records to
341         VEC(vrp_element_p,heap).
342         (vrp_free): New.
343         (tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
344         Update uses of VRP records.
345         (simplify_cond_and_lookup_avail_expr, record_range): Update
346         uses of VRP records.
347
348         * tree-inline.c (cfun_stack): Change the type to
349         VEC(function_p,heap).
350         (push_cfun, pop_cfun): Use VEC instead of VARRAY.
351
352 2005-05-27  Ian Lance Taylor  <ian@airs.com>
353
354         * c-decl.c (add_stmt): Add C frontend specific version.
355         (stmts_are_full_exprs_p): Remove.
356         * c-common.h (STMT_IS_FULL_EXPR_P): Remove.
357         (stmts_are_full_exprs_p): Don't declare.
358         * c-semantics.c (add_stmt): Remove.
359
360 2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
361
362         * config/mips/mips-protos.h (mips_declare_object): Add printf
363         attribute.
364         * config/mips/mips.c (mips_declare_object_name): Fix format
365         argument.
366
367 2005-05-27  Roger Sayle  <roger@eyesopen.com>
368
369         * reg-stack.c (compensate_edge): Remove original prototype.
370         (propagate_stack): New function to copy the stack layout
371         at the start of a basic block from the layout at the end of
372         one of its predecessors.
373         (compensate_edge): Assume that both source and destination
374         blocks have already had their stack layouts defined.
375         (compensate_edges): Traverse all non-entry edges in the CFG
376         and call compensate_edge on each in turn.
377         (convert_regs_1): Change return type to void.  Call
378         propagate_stack instead of compensate_edge.
379         (convert_regs_2): Change return type to void.  Update call
380         to convert_regs_1 to ignore the (now void) return value.
381         (convert_regs): Update calls to convert_regs_2 to ignore
382         the (now void) return value.  After all the basic blocks have
383         been processed, call compensate_edges to actually emit new
384         insns.
385         (reg_to_stack): Initialize the aux info for each basic block
386         with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.
387
388 2005-05-28  Jan Hubicka  <jh@suse.cz>
389
390         * except.c (can_throw_internal_1, can_throw_external_1): Add 
391         "is_resx" argument.
392         (can_throw_external, can_throw_internal): Bring into sync wrt
393         dealing resx.
394         * except.h (can_throw_internal_1, can_throw_external_1): Update
395         prototype.
396         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
397         Deal properly with resx.
398
399 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
400
401         * basic-block.h (basic_block_def): Add phi_nodes and
402         predictions.  Remove tree_annotations.
403         * predict.c (tree_predicted_by_p, tree_predict_edge,
404         combine_predictions_for_bb): Adjust references to predictions.
405         * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
406         create_block_annotation.
407         (create_block_annotation, free_blocks_annotatios,
408         clear_blocks_annotations): Remove.
409         (dump_cfg_stats): Don't print out the memory spent on
410         bb_ann_d.
411         (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
412         * tree-flow-inline.h (bb_ann): Remove.
413         (phi_nodes, set_phi_nodes): Update references to phi_nodes.
414         * tree-flow.h (bb_ann_d): Remove.
415         * tree-if-conv.c (process_phi_nodes): Update a reference to
416         phi_nodes.
417         * tree-phinodes.c (reserve_phi_args_for_new_edge,
418         create_phi_node, remove_phi_node): Likewise.
419         * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
420         * tree-ssa-dom.c (threaded_blocks): New.
421         (tree_ssa_dominator_optimize): Initialize, clear, and free
422         threaded_blocks. Update a call to thread_through_all_blocks.
423         (thread_across_edge): Use threaded_blocks instead of setting
424         incoming_edge_threaded.
425         * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
426         a bitmap of blocks that are threaded through.
427         * tree.h: Move the prototype of threaded_through_blocks to
428         tree-flow.h.
429
430         * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
431         fini_walk_dominator_tree): Use VEC instead of VARRAY.
432         * domwalk.h (dom_walk_data): Change the type of
433         block_data_stack and free_block_data to VEC(void_p,heap)*.
434         * tree-ssa-dse.c (dse_initialize_block_local_data,
435         dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
436         VEC instead of VARRAY.
437
438 2005-05-27  Jan Hubicka  <jh@suse.cz>
439
440         * cgraph.c: Include tree-gimple.h
441         (cgraph_edge): Rename expr to stmt.
442         (cgraph_create_edge): Likewise.
443         (cgraph_clone_node): Likewise.
444         * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
445         * cgraphunit.c (record_call_1): Rename to ...
446         (record_reference): ... this one; do not build edges.
447         (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
448         (current_basic_block): Kill.
449         (cgraph_create_edges): Rewrite to work on gimple statements nicely.
450         (verify_cgraph_node): Likewise.
451         * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
452         (copy_bb): Mess up with cgraph edges here; simplify EH handling.
453         (copy_edges_for_bb): Simplify EH handling.
454         (expand_call_inline): Pass statement to cgraph_edge and
455         cgraph_create_edge.
456
457 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
458
459         * tree-inline.c (copy_body_r): Manually fold *& to deal
460         with ADDR_EXPRs with mismatched types for now.
461
462         * gimplify.c (fold_indirect_ref_rhs): New function.
463         (gimplify_modify_expr_rhs): Use it instead of pessimistic
464         fold_indirect_ref.
465
466         * fold-const.c (fold_indirect_ref_1): Add type argument;
467         make sure the resulting expression is of this type.
468         (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
469
470 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
471
472         PR tree-optimization/21658
473         * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
474         fold_binary_to_constant.  Likewise, call fold_unary instead of
475         fold_unary_to_constant.
476
477 2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
478
479         * vec.h: Implement integral type vector specialization.
480         (VEC_T): Define a non-GTY structure.
481         (VEC_T_GTY): Define a GTY structure.
482         (VEC_TA): Rename to ...
483         (VEC_TA_GTY): ... here.
484         (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
485         (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
486         (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
487         DEF_VEC_P and DEF_VEC_ALLOC_P.
488         (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
489         (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
490         DEF_VEC_O and DEF_VEC_ALLOC_O.
491         * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
492         * lambda-code.c: Likewise.
493         * tree-into-ssa.c: Likewise.
494         * tree-ssa-live.c: Likewise.
495
496 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
497
498         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
499         is up-to-date.
500         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
501         update_stmt_if_modified before calling update_ssa.
502
503 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
504
505         * config/rs6000/t-rtems: Remove roe multilib variant.
506
507 2005-05-26  Roger Sayle  <roger@eyesopen.com>
508
509         PR tree-optimization/9814
510         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
511         instruction, add the necessary clobbers by re-expanding the RTL
512         for arithmetic operations via optab.c's expand_unop/expand_binop.
513         (noce_try_bitop): New function to optimize bit manipulation idioms
514         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
515         (noce_process_if_block): Call noce_try_bitop.
516
517 2005-05-26  Roger Sayle  <roger@eyesopen.com>
518
519         * reg-stack.c (convert_regs_entry, convert_regs_exit,
520         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
521         (reg_to_stack): Move to end of the file.  Initialize the per
522         basic block information here, instead of...
523         (convert_regs_entry): Here.
524         (convert_regs): Change unused return type to void.
525
526 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
527
528         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
529         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
530         config/rs6000/eabispe.h, config/rs6000/lynx.h,
531         config/sh/elf.h, config/sh/symbian-pre.h,
532         config/sparc/sparc-protos.h: Update copyright.
533
534 2005-05-26  Mike Stump  <mrs@apple.com>
535
536         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
537         for Objective-C++.
538         
539 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
540
541         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
542         See through ADDR_EXPR in finding place to propagate into.
543
544 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
545
546         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
547         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
548         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
549         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
550         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
551         tree-ssa-operands.c, tree-vect-analyze.c,
552         tree-vect-transform.c, tree-vectorizer.c, tree.c,
553         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
554         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
555         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
556         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
557         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
558         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
559         config/sh/ushmedia.h, config/sparc/sparc.c,
560         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
561         typos.  Follow spelling conventions.
562         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
563         Follow spelling conventions.
564
565 2005-05-26  David Ung  <davidu@mips.com>
566
567         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
568         that determines whether the MIPS32/64 R2 ext/ins should be used.
569         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
570         * config/mips/mips.md (extzv): Changed predicate for operand to
571         nonimmediate_operand. Add code to generate insn patterns for
572         extzvsi and extzvdi.
573         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
574         (insv): Similarly for insertion.
575         (insv<mode>): Similarly.
576
577 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
578
579         * simplify-rtx.c (avoid_constant_pool_reference): Support
580         offsetted addresses in the constant pool.
581
582 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
583
584         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
585         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
586
587 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
588
589         PR target/21716
590         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
591         found in the basic block and last insn in the basic block is not
592         INSN_P.  Remove explicit unspec numbers that are no longer valid
593         from comments.
594
595 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
596
597         * tree-vect-transform.c (vectorizable_operation): Try word_mode
598         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
599         if a vector mode is available.
600
601 2005-05-25  Roger Sayle  <roger@eyesopen.com>
602
603         PR middle-end/21709
604         * fold-const.c (const_binop): Check for division by zero during
605         complex division.
606
607 2005-05-26  Ian Lance Taylor  <ian@airs.com>
608
609         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
610         having a declaration after a statement.
611
612 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
613
614         * opt-functions.awk (var_type): New function.
615         (var_set): Use CLVC_STRING if var_type returns "const char *".
616         * opth-gen.awk: Use var_type to find out the types of variables.
617         Don't print comments above each "extern" definition.
618         * optc-gen.awk: Use var_type in the same way.
619         * opts.h (cl_var_cond): Rename to...
620         (cl_var_type): ...this.  Add CLVC_STRING.
621         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
622         with "var_type".
623         * opts.c (handle_option, option_enabled): Update after above name
624         change.  Cast flag_var before using it.  Handle CLVC_STRING.
625         
626         * config/alpha/alpha.h (alpha_tls_size): Delete.
627         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
628         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
629         (alpha_fptm_string, alpha_mlat_string): Delete.
630         (alpha_handle_option): Don't set the above variables here.  Use the
631         integer argument to check the validity of -mtls-size=.
632         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
633         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
634         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
635         variable to 32.
636
637         * config/arc/arc.c (arc_cpu_string, arc_text_string)
638         (arc_data_string, arc_rodata_string): Delete.
639         (arc_handle_option): Don't set the above variables here.
640         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
641         and initialize them.
642
643         * config/arm/arm.c (target_fpu_name, target_fpe_name)
644         (target_float_abi_name, target_abi_name, structure_size_string)
645         (arm_pic_register_string): Delete.
646         (arm_handle_option): Don't set the above variables here, except
647         in the handling of -mhard-float and -msoft-float.
648         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
649         (mpic-register=, mstructure-size-boundary=): Add Var()s.
650
651         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
652         (avr_handle_option): Delete.
653         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
654         them.
655
656         * config/bfin/bfin.c (bfin_library_id): Delete.
657         (bfin_handle_option): Don't set it.
658         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
659
660         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
661         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
662         (c4x_handle_option): Don't set c4x_rpts_cycles here.
663         * config/c4x/c4x.opt (mrpts=): Add Var().
664
665         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
666         cris_elinux_stacksize_str here.
667         * config/cris/aout.opt (melinux-stacksize=): Add Var().
668         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
669         (cris_tune_str, cris_elinux_stacksize_str): Delete.
670         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
671         (cris_tune_str, cris_elinux_stacksize_str): Delete.
672         (cris_handle_option): Don't set the above variables here.
673         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
674         (max-stackframe=): Add Var()s.
675
676         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
677         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
678         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
679         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
680         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
681         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
682         (ix86_handle_option): Don't set the above variables here.
683         * config/i386/i386.opt (malign-functions=, malign-jumps=)
684         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
685         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
686         Var()s.
687
688         * config/ia64/ia64.h (ia64_tls_size): Delete.
689         * config/ia64/ia64.c (ia64_tls_size): Delete.
690         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
691         reading the integer argument from the "value" parameter.  Don't
692         set ia64_tls_size here.
693         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
694         Add Var() and Init().
695
696         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
697         (m32r_cache_flush_trap): Delete.
698         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
699         (m32r_cache_flush_trap): Delete.
700         (m32r_handle_option): Don't set the above variables when handling
701         -mflush-func= and -mflush-trap=.
702         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
703         and Init()s.
704
705         * config/mips/mips.h (mips_cache_flush_func): Delete.
706         * config/mips/mips.c (mips_arch_string, mips_tune_string)
707         (mips_cache_flush_func): Delete.
708         (mips_handle_option): Don't set the above variables when handling
709         -march=, -mtune= and -mflush-func=.
710         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
711
712         * config/s390/s390.c (s390_arch_string): Delete.
713         (s390_handle_option): Don't set it here.
714         * config/s390/s390.opt (march=): Add Var().
715
716         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
717         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
718         (sparc_handle_option): Don't set it here.
719         * config/sparc/sparc.opt (mcmodel=): Add Var().
720
721 2005-05-25  Roger Sayle  <roger@eyesopen.com>
722
723         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
724         call to convert_to_integer by building the NOP_EXPR directly.
725
726 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
727
728         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
729
730 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
731             Jeff Law  <law@redhat.com>
732
733         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
734         constant and side_effects of the ADDR_EXPR are consistent.
735
736         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
737         appropriately around calls to recompute_tree_invarant_for_addr_expr.
738
739 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
740
741         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
742         (s390_function_arg, s390_gimplify_va_arg): Use them.
743         (s390_register_info): Save only required subset of argument
744         registers into save area for va_list.
745         (s390_va_start): Initialize only required elements of va_list struct.
746         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
747
748 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
749
750         * reload1.c (verify_initial_elim_offsets): Return boolean status
751         instead of aborting.
752         (reload): Adapt verify_initial_elim_offsets call site.  Restart
753         main loop if some initial elimination offsets changed.
754
755 2005-05-25  Adam Nemet  <anemet@lnxw.com>
756
757         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
758         of -mno-svr4-struct-return.
759
760 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
761
762         Fix PR tree-optimization/21705
763         
764         * tree-ssa-pre.c (in_fre): New static variable.
765         (create_value_expr_from): Recursively value number reference ops
766         in argument lists.
767         (can_value_number_call): Temporary restrict only exists for
768         PRE, not FRE.
769
770 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
771
772         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
773         sizeof (bitmap *) with sizeof (bitmap).
774
775 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
776
777         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
778         condition.
779
780 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
781
782         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
783         hook_bool_rtx_true.
784
785 2005-05-25  Jan Hubicka  <jh@suse.cz>
786
787         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
788         * cgraph.c (cgraph_create_node): Reset estimated_growth.
789         * cgraph.h (cgraph_global_info): Add estimated_growth.
790         * ipa-inline.c: Include coverage.h
791         (max_insns, max_count): New static variables.
792         (cgraph_estimate_size_after_inlining): Cache the result.
793         (cgraph_estimate_growth):
794         * passes.c (rest_of_clean_state): Kill coverage_end_function.
795         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
796         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
797         inlining.
798         (ipa_passes): Initialize bitmaps.
799
800 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
801
802         * loop-doloop.c: Include "target.h". 
803           (doloop_valid_p): Move tests to function in targhooks.c.
804         * target.h (struct gcc_target): New target hook
805           "insn_valid_within_doloop".
806         * target-def.h: Define default value for "insn_valid_within_doloop".
807           (TARGET_INITIALIZER): Insert new target hook into initializer.
808         * targhooks.c (default_insn_valid_within_doloop): New function.
809         * targhooks.h (default_insn_valid_within_doloop): Declare.
810         * hooks.c (hook_bool_rtx_true): New function.
811         * hooks.h (hook_bool_rtx_true): Declare.
812         * doc/tm.texi: Add documentation for new target hook.
813
814 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
815
816         PR target/21412
817         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
818         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
819         (sparc_tls_referenced_p): New prototype.
820         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
821         (sparc_expand_move): Look for TLS addresses with constant offsets.
822         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
823         tls_symbolic_operand.
824         (legitimate_pic_operand_p): Likewise.
825         (legitimate_address_p): Likewise.
826         (legitimize_address): Likewise.
827         (sparc_tls_symbol_ref_1): New function.
828         (sparc_tls_referenced_p): New function.
829         * config/sparc/predicates.md (tgd_symbolic_operand): Use
830         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
831         (tld_symbolic_operand): Likewise.
832         (tie_symbolic_operand): Likewise.
833         (tle_symbolic_operand): Likewise.
834
835 2005-05-24  DJ Delorie  <dj@redhat.com>
836         
837         * common.opt (-Wattributes): New.  Default true.
838         * doc/invoke.texi (-Wno-attributes): Document.
839         
840         * attribs.c (decl_attributes): Move warning control from if() to
841         warning(OPT_*).
842         * c-common.c (handle_packed_attribute): Likewise.
843         (handle_nocommon_attribute): Likewise.
844         (handle_common_attribute): Likewise.
845         (handle_noreturn_attribute): Likewise.
846         (handle_noinline_attribute): Likewise.
847         (handle_always_inline_attribute): Likewise.
848         (handle_used_attribute): Likewise.
849         (handle_unused_attribute): Likewise.
850         (handle_const_attribute): Likewise.
851         (handle_transparent_union_attribute): Likewise.
852         (handle_constructor_attribute): Likewise.
853         (handle_destructor_attribute): Likewise.
854         (handle_mode_attribute): Likewise.
855         (handle_alias_attribute): Likewise.
856         (handle_visibility_attribute): Likewise.
857         (handle_tls_model_attribute): Likewise.
858         (handle_malloc_attribute): Likewise.
859         (handle_returns_twice_attribute): Likewise.
860         (handle_pure_attribute): Likewise.
861         (handle_deprecated_attribute): Likewise.
862         (handle_vector_size_attribute): Likewise.
863         (handle_nothrow_attribute): Likewise.
864         (handle_cleanup_attribute): Likewise.
865         (handle_warn_unused_result_attribute): Likewise.
866         (handle_sentinel_attribute): Likewise.
867         * c-decl.c (diagnose_mismatched_decls): Likewise.
868         (start_decl): Likewise.
869         (grokdeclarator): Likewise.
870         (start_function): Likewise.
871         * c-format.c (check_function_format): Likewise.
872         * stor-layout.c (place_field): Likewise.
873         (finalize_record_size): Likewise.
874         * tree.c (handle_dll_attribute)): Likewise.
875         * varasm.c (default_assemble_visibility): Likewise.
876         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
877         (darwin_assemble_visibility): Likewise.
878         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
879         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
880         (arm_handle_isr_attribute): Likewise.
881         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
882         (avr_handle_fndecl_attribute): Likewise.
883         * config/bfin/bfin.c (handle_int_attribute): Likewise.
884         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
885         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
886         (h8300_handle_eightbit_data_attribute): Likewise.
887         (h8300_handle_tiny_data_attribute): Likewise.
888         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
889         (ix86_handle_regparm_attribute): Likewise.
890         (ix86_handle_struct_attribute): Likewise.
891         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
892         (i386_pe_encode_section_info): Likewise.
893         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
894         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
895         (ip2k_handle_fndecl_attribute): Likewise.
896         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
897         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
898         (m68hc11_handle_fntype_attribute): Likewise.
899         (m68hc11_encode_section_info): Likewise.
900         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
901         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
902         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
903         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
904         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
905         (sh_handle_sp_switch_attribute): Likewise.
906         (sh_handle_trap_exit_attribute): Likewise.
907         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
908         (sh_symbian_handle_dll_attribute): Likewise.
909         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
910         (xstormy16_handle_below100_attribute): Likewise.
911         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
912
913         * c-common.c (unsigned_conversion_warning): Move warning control
914         from if() to warning(OPT_*).
915         (c_common_truthvalue_conversion): Likewise.
916         (c_do_switch_warnings): Likewise.
917         * c-decl.c (diagnose_mismatched_decls): Likewise.
918         (diagnose_mismatched_decls): Likewise.
919         (define_label): Likewise.
920         (grokdeclarator): Likewise.
921         * c-format.c (check_format_info): Likewise.
922         * c-lex.c (interpret_integer): Likwise.
923         (lex_string): Likewise.
924         * c-opts.c (c_common_post_options): Likewise.
925         * c-parser.c (c_parser_unary_expression): Likewise.
926         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
927         (handle_pragma_extern_prefix): Likewise.
928         * c-typeck.c (build_binary_op): Likewise.
929         * gcse.c (is_too_expensive): Likewise.
930         * opts.c (decode_options): Likewise.
931         * stor-layout.c (place_field): Likewise.
932         * tree-cfg.c (remove_bb): Likewise.
933
934         * c.opt (-Wreturn-type): Add Var(warn_return_type).
935         * flags.h (warn_return_type): Remove.
936         * toplev.c (warn_return_type): Likewise.
937
938 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
939
940         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
941         existence of long long and __int64 before determining their size.
942         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
943         * configure, config.h.in:  Regenerate.
944
945 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
946
947         * configure: Regenerate.
948
949 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
950
951         * c-common.h (objc_comptypes): Remove prototype.
952         (objc_compare_types): New prototype.
953         (objc_volatilized_decl): Likewise.
954         (objc_type_quals_match): Likewise.
955         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
956         objc_volatilize_decl().
957         * c-typeck.c (comp_target_types): Remove third parameter; do
958         not call objc_comptypes().
959         (comptypes): Remove calls to objc_comptypes().
960         (build_function_call): Extend compatible prototype check to ObjC.
961         (build_conditional_expr): Adjust call to comp_target_types().
962         (convert_for_assignment): Call objc_compare_types() instead of
963         objc_comptypes(); adjust calls to comp_target_types(); call
964         objc_type_quals_match() before issuing qualifier mismatch
965         warnings.
966         (build_binary_op): Call objc_compare_types() before issuing
967         pointer mismatch warnings; adjust calls to
968         comp_target_types().
969         * stub-objc.c (objc_comptypes): Remove stub.
970         (objc_compare_types): New stub.
971         (objc_volatilized_decl): Likewise.
972         (objc_type_quals_match): Likewise.
973
974 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
975
976         * config/ia64/ia64intrin.h: Define nothing for C++:
977         overloaded builtins have been ported to C++.
978
979 2005-05-24  Jeff Law  <law@redhat.com>
980
981         * tree-nested.c (build_addr): New "context" argument.  Temporarily
982         set current_function_decl around the call to build the ADDR_EXPR.
983         (get_static_chain): Pass proper context to build_addr.
984         (convert_nl_goto_reference): Likewise.
985         (convert_tramp_reference): Likewise.
986         (final_nesting_tree_1): Likewise.
987         * tree-profile.c (tree_gen_interval_profiler): Likewise.
988         (tree_gen_pow2_profiler): Likewise.
989         (tree_gen_one_value_profiler): Likewise.
990         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
991         * tree.h (build_addr): Update prototype.
992
993 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
994
995         * tree-flow.h (bb_ann_d): Remove has_escape_site.
996         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
997         write to has_escape_site.
998
999 2005-05-24  Jeff Law  <law@redhat.com>
1000
1001         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
1002         * tree-cfg.c: Include tree-ssa-propagate.h.
1003         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
1004         needed.
1005
1006 2005-05-24  Nick Clifton  <nickc@redhat.com>
1007
1008         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1009         __NO_FPRS__ when 'f' class registers will not be available. 
1010
1011 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1012
1013         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
1014         nothing was done.
1015         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
1016         nothing then FAIL.
1017         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
1018         prototype.
1019
1020 2005-05-23  Jeff Law  <law@redhat.com>
1021
1022         * tree-ssa-dom.c (cprop_into_stmt): Do not call
1023         recompute_tree_invariant_for_addr_expr here.
1024         (optimize_stmt): Call it here instead and do so if anything
1025         at all has changed in the statement and the RHS is an ADDR_EXPR.
1026         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
1027         needed, call recompute_tree_invariant_for_addr_expr.
1028         * tree-ssa-propagate.c (substitute_and_fold): Call
1029         recompute_tree_invariant_for_addr_expr as needed.
1030
1031 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
1032
1033         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
1034         saving less registers than the replacement.
1035
1036 2005-05-23  Jan Hubicka  <jh@suse.cz>
1037
1038         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
1039
1040 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
1041
1042         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
1043         * config/sparc/sparc.c (sparc_expand_move): New function.
1044         (sparc_emit_set_const64): Rewrite assert condition on entry.
1045         (legitimate_constant_p) <CONST_VECTOR>: New case.
1046         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
1047         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
1048         movV64, movtf): Use nonimmediate_operand for the first operand.
1049         Rewrite.  Only invoke sparc_expand_move.
1050         * config/sparc/predicates.md (input_operand): Reorder tests.
1051
1052 2005-05-23  Jan Beulich  <jbeulich@novell.com>
1053
1054         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
1055         missing return statement.
1056
1057 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
1058
1059         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
1060         emit_move_insn for moves to TFmode stack slots.
1061
1062 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
1063
1064         * tree-stdarg.c (execute_optimize_stdarg): Handle references
1065         to va_list of the form &va[0].
1066
1067 2005-05-20  Jan Hubicka  <jh@suse.cz>
1068
1069         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
1070         * genemit.c (main): Make insn-emit to include basic-block.h too.
1071
1072 2005-05-20  Jan Hubicka  <jh@suse.cz>
1073
1074         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
1075
1076 2005-05-19  Richard Henderson  <rth@redhat.com>
1077
1078         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
1079         emit_store_conditional): Split out from ...
1080         (alpha_split_atomic_op): ... here.
1081         (alpha_split_compare_and_swap): New; extract from .md file.
1082         (alpha_split_lock_test_and_set): Likewise.
1083         * config/alpha/alpha-protos.h: Update.
1084         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
1085         split code into alpha.c.
1086         (sync_lock_test_and_set<I48MODE>): Likewise.
1087
1088 2005-05-19  Richard Henderson  <rth@redhat.com>
1089
1090         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
1091
1092 2005-05-19  Richard Henderson  <rth@redhat.com>
1093
1094         * config/i386/sse.md (mulv4si3): Use all register inputs.
1095         (mulv2di3): Likewise.
1096
1097 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
1098
1099         * tree-ssa-loop-ivopts.c (determine_base_object): Use
1100         build_fold_addr_expr to generate trees of correct type.
1101         Use fold_buildN if possible.
1102
1103 2005-05-19  Jan Hubicka  <jh@suse.cz>
1104
1105         * basic-block.h (REG_BR_PROB_BASE): Define.
1106         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
1107         (dump_cgraph_node): Dump count.
1108         (cgraph_clone_edge): Rescale counts.
1109         (cgraph_clone_node): Likewise.
1110         * cgraph.h: Include basic-block.h
1111         (cgraph_node): Add count.
1112         (cgraph_edge): Add count and loop_nest.
1113         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
1114         Update prototypes.
1115         * cgraphunit.c: Kill now redundant inlining comment.
1116         (cgraph_create_edges): Make static, maintain current basic block;
1117         fix pasto.
1118         (record_call_1): Fill in new fields.
1119         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
1120         cgraph_clone_node.
1121         (cgraph_decide_recursive_inlining): Likewise.
1122         * rtl.h (REG_BR_PROB_BASE): Kill.
1123         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
1124         (expand_call_inline): Update call of cgraph_create_edge.
1125         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1126
1127 2005-05-19  Nick Clifton  <nickc@redhat.com>
1128
1129         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
1130         new rs6000_explicit_options structure.
1131
1132 2005-05-19  Richard Henderson  <rth@redhat.com>
1133
1134         PR target/21390
1135         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
1136         TFmode code swapping ...
1137         (alpha_emit_xfloating_compare): ... here.
1138         (alpha_emit_setcc): Update to match.
1139         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
1140
1141 2005-05-19  Richard Henderson  <rth@redhat.com>
1142
1143         PR target/21657
1144         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
1145         memory indirection in local-dynamic case.
1146
1147 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
1148             Bernd Schmidt  <bernd.schmidt@analog.com>
1149
1150         * config/bfin/bfin.c (branch_dest): Add comment why it's
1151         necessary.
1152         * config/bfin/bfin.md (attr "length" default): Change the offset of
1153         forward conditional branch of length 4 from 4096 to 4092.
1154
1155 2005-05-19  Jan Beulich  <jbeulich@novell.com>
1156
1157         * unwind-compat.c: Include tconfig.h and tsystem.h.
1158         * unwind-dw2-fde-compat.c: Likewise.
1159
1160 2005-05-18  Richard Henderson  <rth@redhat.com>
1161
1162         PR 21541
1163         * ifcvt.c (noce_process_if_block): Avoid conversion when the
1164         memory destination is readonly.
1165
1166 2005-05-18  Richard Henderson  <rth@redhat.com>
1167
1168         PR 21541
1169         * tree-ssa-operands.c (opf_non_specific): New.
1170         (get_asm_expr_operands): Set it.
1171         (add_call_clobber_ops, add_call_read_ops): Likewise.
1172         (add_stmt_operand): Test it instead of opf_kill_def when
1173         considering unmodifiable variables.
1174
1175         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
1176
1177 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
1178
1179         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
1180         tree-ssa-forwprop.c: Fix comment typos.
1181         * doc/invoke.texi: Fix a typo.
1182
1183 2005-05-18  Richard Henderson  <rth@redhat.com>
1184
1185         * config.gcc (powerpc-*-linux*): Include linux64.opt when
1186         including linux64.h.
1187
1188 2005-05-18  Richard Henderson  <rth@redhat.com>
1189
1190         * tree-cfg.c (pass_remove_useless): Revert last change.
1191         * tree-optimize.c (init_tree_optimization_passes): Initialize
1192         all_lowering_passes with PROP_gimple_any.
1193
1194 2005-05-18  Devang Patel  <dpatel@apple.com>
1195
1196         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
1197         the mask end.
1198         
1199 2005-05-18  Richard Henderson  <rth@redhat.com>
1200
1201         * tree-ssa-forwprop.c (cfg_changed): New.
1202         (tidy_after_forward_propagate_addr): New.
1203         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
1204         (forward_propagate_addr_into_variable_array_index): Likewise.
1205         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
1206         edges were removed.
1207
1208 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
1209
1210         * dummy-checksum.c: New.
1211         * genchecksum.c: New.
1212         * c.opt (print_pch_checksum): New flag.
1213         * c-pch.c (struct c_pch_validity): Make much shorter.
1214         (no_checksum): New.
1215         (host_machine): Remove.
1216         (target_machine): Remove.
1217         (get_ident): Change PCH version number.
1218         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
1219         Don't put triplets or version string in PCH validity data.
1220         Do put the compiler checksum in the validity data.
1221         (c_common_valid_pch): Don't check triplets or version string.  Do
1222         check checksum.
1223         (c_common_print_pch_checksum): New.
1224         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
1225         Print fingerprint with -v.
1226         * c-common.h (c_common_print_pch_checksum): New.
1227         (executable_checksum): New.
1228         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
1229         (cc1-dummy): New rule.
1230         (cc1-checksum.c): New rule.
1231         (cc1-checksum.o): New rule.
1232         (cc1): Add checksum support.
1233         (build/genchecksum): New.
1234         (build/genchecksum.o): New.
1235         (dummy-checksum.o): New.
1236         (genobjnames): Add genchecksum.o.
1237         (mostlyclean): Remove *-checksum.c.
1238         (gnucompare): Add libgcc to list of directories checked.
1239         Make comparison problems in libgcc/ and with checksum files only
1240         be warnings.
1241         * doc/invoke.texi (Precompiled Headers): Remove caution.
1242         Document that it must be the exact same binary.  Add a few
1243         known-safe flags to the list.
1244
1245         * rs6000/predicates.md (fix_trunc_dest_operand): New.
1246         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
1247         Check that a memory operand is valid before trying to use it.
1248         
1249         * tree-cfg.c (pass_remove_useless): This pass works on trees.
1250
1251 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
1252
1253         * tree.c (build1_stat): Don't try to handle two-operand
1254         tree codes.
1255
1256 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
1257
1258         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
1259         * config/sh/sh.h: Update mask names throughout.
1260         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
1261         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
1262         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
1263         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
1264         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
1265         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
1266         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
1267         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
1268         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
1269         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
1270         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
1271         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
1272         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
1273         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
1274         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
1275         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
1276         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
1277         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
1278         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
1279         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
1280         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
1281         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
1282         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
1283         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
1284         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
1285         (SUBTARGET_SWITCHES): Delete.
1286         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
1287         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
1288         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
1289         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
1290         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
1291         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
1292         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
1293         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
1294         (SUPPORT_SH3): Likewise SUPPORT_SH2.
1295         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
1296         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
1297         SUPPORT_SH4_NOFPU.
1298         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
1299         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
1300         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
1301         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
1302         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
1303         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
1304         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
1305         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
1306         (SUPPORT_ANY_SH5): New macros.
1307         (TARGET_NONE): Replace with...
1308         (MASK_ARCH): ...this new macro.
1309         * config/sh/elf.h: Update mask names
1310         * config/sh/linux.h: Likewise.
1311         * config/sh/little.h: Likewise.
1312         * config/sh/netbsd-elf.h: Likewise.
1313         * config/sh/symbian-pre.h: Likewise.
1314         * config/sh/sh.c (sh_handle_option): New function.
1315         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1316         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
1317         (sh_target_switches, target_switches): Delete.
1318         (sh_pch_valid_p): Check for specific differences in the target_flags
1319         settings.
1320         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
1321         * config/sh/sh.opt: New file.
1322
1323 2005-05-18  Richard Henderson  <rth@redhat.com>
1324
1325         PR target/21632
1326         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
1327         small_addr_symbolic_operand.
1328
1329 2005-05-18  Jeff Law  <law@redhat.com>
1330
1331         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
1332         propagate an ADDR_EXPR if the definition and use sites are
1333         in different EH regions.
1334
1335 2005-05-18  Ian Lance Taylor  <ian@airs.com>
1336
1337         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
1338         obstack_grow.
1339
1340 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
1341
1342         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
1343
1344 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
1345         
1346         Fix PR tree-optimization/21407
1347
1348         * tree-ssa-operands.c (note_addressable): Change
1349         COMPONENT_REF handling in response to aliasing
1350         discussion.
1351
1352 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
1353
1354         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
1355         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
1356         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
1357         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
1358         the default on Solaris too.
1359
1360 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
1361
1362         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
1363         is okay too.
1364
1365 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1366
1367         * timevar.def (TV_SCEV_CONST): New timevar.
1368         * tree-optimize.c (init_tree_optimization_passes): Add
1369         pass_scev_cprop.
1370         * tree-pass.h (pass_scev_cprop): Declare.
1371         * tree-scalar-evolution.c (scev_const_prop): New function.
1372         * tree-scalar-evolution.h (scev_const_prop): Declare.
1373         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
1374         New.
1375         * tree-cfg.c (replace_uses_by): Export.
1376         * tree-flow.h (replace_uses_by): Declare.
1377
1378 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
1379             Mike Stump  <mrs@apple.com>
1380
1381         Yet more Objective-C++...
1382
1383         * c-common.h (objc_finish_try_stmt): Add.
1384         (objc_build_synchronized): Add.
1385         (objc_generate_write_barrier): Add.
1386         * stub-objc.c (objc_build_synchronized): Add return value.
1387         (objc_finish_try_stmt): Likewise.
1388         (objc_generate_write_barrier): Add.
1389
1390         * c-common.h (objc_rewrite_function_call): Add.
1391         * c-typeck.c (build_function_call): Allow objc to rewrite
1392         FUNCTION_DECLs.
1393         (build_modify_expr): Allow objc to generate write barriers.
1394         * c.opt (Wassign-intercept): Add.
1395         (Wstrict-selector-match): Add.
1396         (fobjc-call-cxx-cdtors): Add.
1397         (fobjc-direct-dispatch): Add.
1398         (fobjc-gc): Add.
1399         * dbxout.c (get_lang_number): Add Objective-C++ support.
1400         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
1401         (-Wstrict-selector-match): Likewise.
1402         (-fobjc-direct-dispatch): Likewise.
1403         (-Wassign-intercept): Likewise.
1404         (Overall Options): Likewise.
1405         * gengtype.c (get_output_file_with_visibility): Likewise.
1406         * stub-objc.c (objc_rewrite_function_call): Add.
1407         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
1408
1409         * c-common.c (flag_objc_exceptions): Remove.
1410         (flag_objc_sjlj_exceptions): Remove.
1411         * c-decl.c (objc_mark_locals_volatile): Don't change decls
1412         that are already ok.
1413         * c-opts.c (c_common_handle_option, case
1414         OPT_fobjc_exceptions): Remove.
1415         (case OPT_fobjc_sjlj_exceptions): Remove
1416         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
1417         (fobjc-exceptions): Likewise.
1418         (fobjc-sjlj-exceptions): Likewise.
1419         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
1420         (OFFS_ASSIGNIVAR_FAST): Add.
1421         
1422 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1423
1424         * config/sparc/sparc.md (movhi): Do not test constness
1425         of operand #1 twice.
1426         (movsi): Likewise.
1427         (movdi): Unconditionally accept zero as second operand
1428         when the first is memory.
1429         (movdi_insn_sp32): Handle above case.
1430         (DImode splitter): Use predicates.
1431         (DImode splitter): Use const_zero_operand predicate.
1432         (movsf_insn): Swap 2 alternatives.
1433
1434 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1435
1436         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
1437         expand_simple_operations to bases of the ivs.
1438         (tree_int_cst_sign_bit): Export.
1439         * tree-flow.h (expand_simple_operations): Declare.
1440         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
1441         tree_int_cst_sign_bit.
1442         (expand_simple_operations): Export.
1443         * tree.h (tree_int_cst_sign_bit): Declare.
1444
1445 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1446
1447         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
1448         merged block.
1449         (replace_uses_by): New function.
1450         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
1451         * tree-flow.h (fold_stmt_inplace): Declare.
1452         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
1453         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
1454         info after cfg cleanup.
1455
1456 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1457
1458         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
1459         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
1460         const.
1461
1462 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1463
1464         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
1465         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
1466         * timevar.c (timevar_ggc_mem_total): New variable.
1467         (GGC_MEM_BOUND): New constant.
1468         (get_time): Record ggc memory status.
1469         (timevar_accumulate): Accumulate amount of ggc memory.
1470         (timevar_print): Print consumption of ggc memory.
1471         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
1472         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
1473         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
1474         * timevar.h (struct timevar_time_def): Add ggc_mem field.
1475         (timevar_ggc_mem_total): Declare.
1476
1477 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
1478
1479         * tree-into-ssa.c (update_ssa): Clean up by shortening the
1480         live range of DFS.
1481
1482 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1483
1484         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
1485         define_code_attr.
1486         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
1487         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
1488         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
1489         ("s<ocond:code>"): Rename from respectively "b<ncond>",
1490         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
1491         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
1492         "s<rcond>" and "s<ocond>".
1493         ("b<ocond:code>", "*b<ocond:code>_reversed")
1494         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
1495         output statement section.
1496
1497 2005-05-17  Roger Sayle  <roger@eyesopen.com>
1498
1499         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
1500
1501 2005-05-17  Steven Bosscher  <stevenb@suse.de>
1502             Stuart Hastings <stuart@apple.com>
1503             Jan Hubicka  <jh@suse.cz>
1504             Dale Johannesen  <dalej@apple.com>
1505
1506         * cgraph.h (cgraph_node): Add 'lowered' state.
1507         (cgraph_lower_function): Declare.
1508         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
1509         (cgraph_lower_function): New function.
1510         (cgraph_create_edges): Deal with lowered function bodies.
1511         (verify_cgraph_node): Likewise.
1512         (cgraph_analyze_function): Do lowering job.
1513         (cgraph_build_static_cdtor): Likewise.
1514         * function.h (struct function): Add saved_eh and saved_cfg.
1515         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
1516         * tree-cfg.c (fold_cond_expr_cond): Export.
1517         * tree-flow.h (fold_cond_expr_cond): Declare.
1518         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
1519         pointer-set.
1520         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
1521         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
1522         callee_cfun, block, eh_region, eh_region_offset.
1523         (inlining_p): New predicate.
1524         (remap_decl): Update for new inline_data; declare newly created inline
1525         vars in low gimple way.
1526         (copy_body_r): Update for new datastructure, simplify some of handling
1527         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
1528         deal with RESX_EXPRs.
1529         (copy_bb): New.
1530         (copy_edges_for_bb): Likewise.
1531         (remap_decl_1): New.
1532         (copy_cfg_body): New.
1533         (copy_generic_body): Rewrite to work on low gimple.
1534         (copy_body): Turn into simple wrapper around copy_cfg_body.
1535         (setup_one_parameter): Insert new statements into given basic block.
1536         (initialize_initialized_parameters): Likewise, reorganize way things are
1537         gimplified.
1538         (declare_return_variable): Update for new inline data datastructure.
1539         (inline_forbidden_p): Work on low gimple.
1540         (estimate_num_insns): Likewise.
1541         (expand_call_inline): Work on CFG.
1542         (push_cfun, pop_cfun): New functions.
1543         (cfun_stack): New stack.
1544         (add_lexical_block): New function.
1545         (gimple_expand_calls_inline): Work on basic block.
1546         (optimize_inline_calls): Likewise.
1547         (clone_body, save_body, unsave_ewpr_now): Update for new
1548         datastructures.
1549         (declare_inline_vars): Work on block instead of bind_expr.
1550         (inlining_p): New predicate.
1551         * tree-inline.h (push_cfun, pop_cfun): Declare.
1552         * tree-optimize.c: Include except.h
1553         (all_lowering_passes): New variable.
1554         (execute_fixup_cfg, pass_fixup_cfg): New pass.
1555         (init_tree_optimization_passes): Move some to all_lowering_passes.
1556         (tree_lowering_passes): New function.
1557         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
1558         * tree-pass.h (tree_lowering_passes): Declare
1559
1560 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
1561
1562         * unwind-dw2-fde-darwin.c: Include tsystem.h.
1563
1564 2005-05-17  Jeff Law  <law@redhat.com>
1565
1566         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
1567         * tree-ssa-forwprop.c: Include langhooks.h.
1568         (forward_propagate_addr_expr_into_variable_array_index): New.
1569         (forward_propagate_addr_expr): New.
1570         (tree_ssa_forward_propagate_single_use_vars): Loop over all
1571         the statements in the block instead of just the last statement.
1572         Call forward_propagate_addr_expr as needed.
1573         (pass_forwprop): Update the SSA graph after forward propagation is
1574         complete.
1575
1576 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
1577
1578         * unwind-dw2-fde-glibc.c (base_from_cb_data,
1579         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
1580         appropriate.
1581         * unwind-dw2-fde.c (__deregister_frame_info_bases,
1582         base_from_object, fde_split, end_fde_sort): Likewise.
1583         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
1584         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
1585         uw_init_context_1): Likewise.
1586         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
1587         _Unwind_Resume_or_Rethrow): Likewise.
1588         * unwind-pe.h (__gxx_abort): Do not define.
1589         (size_of_encoded_value, base_of_encoded_value,
1590         read_encoded_value_with_base): Use gcc_unreachable.
1591         * unwind.h (_Unwind_GetTextRelBase): Likewise.
1592
1593 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
1594
1595         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
1596         (cfi_end): New macros.
1597         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
1598         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
1599         an eight byte stack frame.
1600         (__NR_tkill): Define.
1601         (__div0): Use gettid tkill on GNU/Linux.
1602         (_arm_return): Add CFI.
1603         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
1604
1605 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
1606
1607         * configure.ac: Remove spaces around assignment to
1608         gcc_cv_ld_sysroot.
1609         * configure: Regenerated.
1610
1611 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
1612
1613         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
1614         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
1615         aix_struct_ret.
1616         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
1617         Modify aix_struct_return variable, not target_flags.
1618         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
1619         (rs6000_return_in_memory): Test aix_struct_return.
1620         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
1621         independent variable.  Report mxl-compat.
1622
1623 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1624
1625         * config/bfin/bfin.md (eh_return): Add missing DONE.
1626
1627 2005-05-17  Ian Lance Taylor  <ian@airs.com>
1628
1629         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
1630         field.
1631         (mode_attr_index): Remove check for defined attribute.  Remove
1632         infile parameter.  Change all callers.
1633         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
1634         return after finding attribute.
1635         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
1636         callers.
1637         (apply_macro_traverse): Set mtd->unknown_mode_attr.
1638         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
1639         attribute used for a mode.
1640
1641 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1642
1643         * tree-ssa-math-opts.c: New file.
1644
1645 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1646
1647         * tree-ssa-math-opts.c: New file.
1648
1649 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1650
1651         * Makefile.in: Add tree-ssa-math-opts.c.
1652         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
1653         * fold-const.c (distribute_real_division): New.
1654         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
1655         * tree-pass.h (pass_cse_reciprocals): New.
1656         * tree-optimize.c (init_tree_optimization_passes): Run it.
1657         * doc/passes.texi: Document the new pass.
1658
1659 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
1660
1661         PR middle-end/21595
1662         * builtins.c (fold_builtin_constant_p): Handle
1663         &"string cst"[0] as constant.
1664
1665 2005-05-17  Richard Henderson  <rth@redhat.com>
1666
1667         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
1668
1669 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
1670
1671         PR middle-end/21492
1672         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
1673         src2 if src2 has been split.
1674
1675         PR tree-optimization/21610
1676         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
1677         returning DECL, call unshare_expr.
1678
1679 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1680
1681         * config/cris/cris.md: Unquote preparation and output statements.
1682         (BWD, WD, BW): New, mode-macros.
1683         (S, s, m, mm, nbitsm1): New, mode-attrs.
1684         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
1685         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
1686         code-attrs.
1687         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
1688         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
1689         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
1690         "*cmp_swapexthi".
1691         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
1692         ("movdi"): Move misplaced head comment regarding necessity of
1693         movdi from movsi to here.
1694         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
1695         "*mov_sidehi_biap".
1696         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
1697         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
1698         "*mov_sideqi_biap_mem".
1699         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
1700         "*mov_sidehi_mem".
1701         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
1702         "*clear_sidehi_biap" and "*clear_sideqi_biap".
1703         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
1704         and "*clear_sideqi".
1705         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
1706         "*ext_sidehisi_biap".
1707         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
1708         "*ext_sidehisi".
1709         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
1710         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
1711         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
1712         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
1713         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
1714         "zero_extendqisi2".
1715         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
1716         "*op_sidehi_biap" and "*op_sidesi_biap".
1717         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
1718         "*op_sidesi".
1719         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
1720         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
1721         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
1722         "*op_swap_sidehi" and "*op_swap_sidesi".
1723         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
1724         in the N alternative of "subqi3".
1725         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
1726         "*extophisi_side_biap".
1727         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
1728         "*extophisi_side".
1729         ("*extop<mode>si_swap_side_biap"): Replace
1730         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
1731         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
1732         "*extophisi_swap_side".
1733         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
1734         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
1735         "*extophisi_swap".
1736         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
1737         "mulqihi3", "mulhisi3" and "mulhisi3".
1738         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
1739         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
1740         "umulsi3_highpart".
1741         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
1742         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
1743         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
1744         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
1745         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
1746         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
1747         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
1748         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
1749         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
1750         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
1751         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
1752         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
1753         "*ashlhi_lowpart".
1754         ("abs<mode>2"): Replace "abshi2" and "absqi2".
1755         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
1756         "bleu".
1757         ("b<ocond>"): Replace "bgt" and "ble".
1758         ("b<rcond>"): Replace "blt" and "bge".
1759         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
1760         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
1761         "*bleu_reversed".
1762         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
1763         "*ble_reversed".
1764         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
1765         "*blt_reversed".
1766         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
1767         "sne".
1768         ("s<rcond>"): Replace "sge" and "slt".
1769         ("s<ocond>"): Replace "sgt" and "sle".
1770         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
1771         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
1772         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
1773         clear.w [rx=rx+i] and clear.b [rx=rx+i].
1774
1775 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
1776
1777         * varasm.c (struct constant_descriptor_tree): Add hash field.
1778         (const_desc_hash): Just return hash field.
1779         (const_desc_eq): If hash values are different, return 0 immediately.
1780         (output_constant_def): Compute hash field of temporary key, use
1781         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
1782         newly built constant descriptor.
1783         (lookup_constant_def): Compute hash field of temporary key, use
1784         htab_find_with_hash instead of htab_find.
1785
1786 2005-05-16  Richard Henderson  <rth@redhat.com>
1787
1788         * config/i386/sse.md (mulv4si3): New.
1789
1790 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1791
1792         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
1793         tests for noncanonical versions of reg+constant and
1794         reg+reg*{1,2,4}.
1795
1796 2005-05-16  Richard Henderson  <rth@redhat.com>
1797             Steven Bosscher <stevenb@suse.de>
1798
1799         PR tree-opt/21399
1800         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
1801         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
1802         region data structure to match replacement.
1803         * tree-flow.h: Update to match.
1804         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
1805         * tree-ssa-dom.c (optimize_stmt): Likewise.
1806         * tree-ssa-pre.c (eliminate): Likewise.
1807         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
1808
1809 2005-05-16  Caroline Tice  <ctice@apple.com>
1810
1811         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
1812         internal_error with gcc_assert.
1813         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
1814         * function.h (struct function): Remove space between "*" and
1815         struct field names.
1816         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
1817         modify to use alloca.
1818         (unlikely_text_section): Add check for flag_function_sections.
1819         (assemble_start_function):  Move call to resolve_section, so it
1820         comes before first call to unlikely_text_section.
1821         (assemble_end_function):  Add test and call to function_section
1822         if appropriate.
1823         
1824 2005-05-16  Roger Sayle  <roger@eyesopen.com>
1825
1826         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
1827         instead of build_binary_op when performing code transformations
1828         to avoid error messages about constructs not it the user's code.
1829
1830 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1831
1832         * tree-ssa-pre.c: Fix a comment typo.
1833
1834 2005-05-16  Richard Henderson  <rth@redhat.com>
1835
1836         PR target/21556
1837         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
1838         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
1839         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
1840         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
1841         add_tprel22): Remove mode from symbolic operand.
1842
1843 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
1844
1845         * optc-gen.awk: Include intl.h after the externally-provided files.
1846
1847 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1848
1849         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
1850         folding a COND_EXPR_COND in a nondestructive manner.
1851
1852 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
1853
1854         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
1855         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
1856         New values for vec_select definitions and bitmask for element
1857         selection.
1858          
1859 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1860
1861         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
1862         Change the type to VEC(rtx,gc)*.
1863         (mem_loc_descriptor, add_const_value_attributes,
1864         dwarf2out_init): Adjust uses of used_rtx_varray.
1865
1866         * tree-data-ref.c (compute_all_dependences): Change the type
1867         of dependence_relations to VEC(ddr_p,heap)**.
1868         (compute_data_dependences_for_loop): Change the type of
1869         allrelations to VEC(ddr_p,heap)*.
1870
1871 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
1872
1873         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
1874         system.h, coretypes.h and tm.h.
1875         (options.o): Update dependencies accordingly.
1876         * optc-gen.awk: Allow header_name to be a list of filenames.
1877         Handle the "Condition" flag.
1878         * opts.h (CL_DISABLED): New flag.
1879         * opts.c (handle_option): Print an error for CL_DISABLED options.
1880         * doc/options.texi: Document the "Condition" option flag.
1881
1882 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
1883
1884         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
1885
1886 2005-05-15  Roger Sayle  <roger@eyesopen.com>
1887
1888         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
1889         check for TREE_OVERFLOW on INTEGER_CST trees.
1890         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
1891         CONSTANT_CLASS_P tree nodes.
1892
1893 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1894
1895         PR target/21551
1896         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
1897
1898 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
1899             
1900         Fix PR tree-optimization/21576
1901         
1902         * tree-ssa-pre.c (expression_node_pool): New pool.
1903         (comparison_node_pool): Ditto.
1904         (list_node_pool): Ditto.
1905         (pool_copy_list): New function.
1906         (phi_translate): Handle CALL_EXPR.
1907         (valid_in_set): Ditto.
1908         (create_expression_by_pieces): Ditto.
1909         (insert_into_preds_of_block): Ditto.
1910         (insert_aux): Ditto.
1911         (compute_avail): Ditto.
1912         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
1913         (can_value_number_call): New function.
1914         (find_leader): Update comment.
1915         (init_pre): Create new pools.
1916         (fini_pre): Free new pools.
1917         (pass_pre): Add TODO_update_ssa for the future when we are going
1918         to need vops.
1919         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
1920         (set_value_handle): Ditto.
1921         (get_value_handle): Ditto.
1922
1923 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1924
1925         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
1926
1927 2005-05-15  Andreas Jaeger  <aj@suse.de>
1928
1929         * gcc.c (pfatal_pexecute): Remove unused local function.
1930
1931 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
1932
1933         * optc-gen.awk: Remove excess indentation.
1934         * opth-gen.awk: Likewise.
1935
1936 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
1937
1938         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
1939         of basic_block_info.  Call init_flow and find_basic_blocks
1940         before dbr_schedule if needed.
1941
1942 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1943
1944         * tree-optimize.c (init_tree_optimization_passes): Move
1945         pass_cd_dce in place of the last pass_dce.
1946
1947         PR tree-optimization/21563
1948         * tree-vrp.c (compare_value): Return boolean_false_node when
1949         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
1950         strictly larger than CST.
1951
1952 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
1953             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1954
1955         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
1956         gcc_assert().
1957         (rev_cond_name) Likewise.
1958         (vax_float_literal) Likewise.
1959         * config/vax/vax.md: Likewise.
1960
1961 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1962
1963         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
1964         registers and use them (specifically the stack pointer).
1965         * config/vax/vax.h: Use above defines right here.
1966
1967         * config/vax/vax.c: (override_options) Remove 'register' keyword.
1968         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
1969         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
1970         whitespace.
1971         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
1972         mostly removal of trailing spaces...
1973         * config/vax/vax-modes.def: Remove trailing whitespace.
1974
1975         * config/vax/elf.h: Update whitespace.
1976
1977 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
1978
1979         Revert
1980         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1981         * fold-const.c (fold_indirect_ref_1): Avoid removing
1982         NOP_EXPRs with type qualifiers like const.
1983
1984 2005-05-14  Jan Hubicka  <jh@suse.cz>
1985
1986         Patch by Richard Henderson:
1987         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
1988         Handle RESX expressions properly.
1989
1990         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
1991         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
1992         (remove_stmt_from_eh_region_fn): Likewise.
1993
1994         * tree-cfg.c (execute_warn_function_return): Break out noreturn
1995         warning too..
1996         (execute_warn_function_noreturn): ... here.
1997         (pass_warn_function_noreturn): New pass.
1998         * tree-pass.h (pass_warn_function_noreturn): Declare
1999         * tree-optimize.c (init_tree_optimization_passes): Move return
2000         warnings early and add noreturn warnings at place of previous
2001         return warnings.
2002
2003 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
2004
2005         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
2006         root_var_init, type_var_init): Use VEC instead of VARRAY.
2007         * tree-ssa-live.h (tree_partition_associator_d): Change the
2008         type of trees to VEC(tree,heap)*.
2009         (tpa_tree): Use VEC instead of VARRAY.
2010
2011 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
2012
2013         * fold-const.c (div_if_zero_remainder): New function.
2014         (try_move_mult_to_index): Use it.
2015
2016 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
2017
2018         * tree-eh.c (leh_tf_state): Change the type of dest_array to
2019         VEC(tree,heap)*.
2020         (maybe_record_in_goto_queue, lower_try_finally_onedest,
2021         lower_try_finally_copy, lower_try_finally_switch,
2022         lower_try_finally): Use VEC instead of VARRAY.
2023
2024 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
2025
2026         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
2027         comment regarding defined register classes.
2028         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
2029
2030 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
2031
2032         * tree-optimize.c (init_tree_optimization_passes): Move
2033         pass_merge_phi before the first pass_dominator.
2034
2035 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
2036
2037         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
2038         unconditional.
2039
2040 2005-05-13  Josh Conner  <jconner@apple.com>
2041
2042         * config/arm/arm.c (arm_size_return_regs): New.
2043         (thumb_unexpanded_epilogue): replace in-line calculation
2044         of return registers with call to arm_size_return_regs.
2045         (use_return_insn): Include test of which registers are
2046         being used to hold return values, to accommodate
2047         vector return values.
2048
2049 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
2050
2051         * config/rs6000/sysv4.opt (mlittle): Handle.
2052
2053         * config/rs6000/rs6000.c (rs6000_handle_option): Set
2054         target_flags_explicit when appropriate.
2055
2056 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
2057
2058         PR middle-end/20714:
2059         * optabs.c (no_conflict_data): New struct.
2060         (no_conflict_move_test): New function.
2061         (emit_no_conflict_block): Use it.
2062
2063 2005-05-13  Adam Nemet  <anemet@lnxw.com>
2064
2065         * doc/invoke.texi (Debugging Options): Option
2066         -fdump-translation-unit only works with C++ now.
2067
2068 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
2069
2070         Replace calls to abort in CRIS port.
2071         * config/cris/cris.h (CRIS_ASSERT): New macro.
2072         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
2073         internal_error instead of abort.
2074         ("movsi"): Ditto.  Unquote preparation statement section.
2075         ("call", "call_value"): Ditto, but use gcc_assert where
2076         appropriate.  Tweak comments.
2077         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
2078         CRIS_ASSERT.
2079         (cris_op_str): Call internal_error, not abort.
2080         (cris_print_operand): Tweak "abort" reference to "die" in comment.
2081         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
2082         (cris_notice_update_cc): Call internal_error, not abort.
2083         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
2084         (cris_emit_movem_store, cris_asm_output_symbol_ref)
2085         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
2086         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
2087         ENABLE_CHECKING-guarded abort call.
2088         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
2089         Use internal_error at end of test-chain.
2090
2091 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
2092
2093         PR rtl-optimization/20769:
2094         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
2095         pattern emitted by expand_nl_goto_receiver.
2096
2097         PR middle-end/20793:
2098         * integrate.c (allocate_initial_values): Update register liveness
2099         information.
2100
2101 2005-05-13  Josh Conner  <jconner@apple.com>
2102
2103         * arm.c (arm_return_in_memory): Add handling for vector return types.
2104
2105 2005-05-13  David Ung  <davidu@mips.com>
2106
2107         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
2108         name.
2109         * config/mips/mips.c: Add 4km alias.
2110         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
2111         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
2112         description.
2113
2114 2005-05-13  Jan Hubicka  <jh@suse.cz>
2115
2116         * c-decl.c (finish_function): Suppress "control reaches end of
2117         non-void function" when "no return statement in function
2118         returning non-void" is issued.
2119
2120         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
2121         * tree-optimize.c (pass_gimple): Kill.
2122         (init_tree_optimization_passes): Kill pass_gimple.
2123         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
2124         * tree-dump.c (dump_files): Rename .generic to .gimple.*
2125
2126 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
2127
2128         PR rtl-optimization/20756:
2129         * basic-block.h (PROP_DEAD_INSN): Define.
2130         * flow.c (propagate_one_insn): Set during mark_set_regs call
2131         for a dead insn.
2132         (mark_set_1): Emit a clobber when we are about to delete a dead insn
2133         that kills a live register.
2134
2135 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
2136
2137         * config/s390/s390.md: ("DBL"): New mode attribute.
2138         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
2139         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
2140         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
2141
2142 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
2143
2144         * c-format.c (check_format_arg): Handle string literals of
2145         the form &"string"[offset].
2146
2147         * g++.dg/warn/format4.C: New testcase.
2148
2149 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
2150
2151         * config/mips/3000.md, config/mips/4000.md,
2152         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
2153         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
2154         config/mips/generic.md, config/pdp11/pdp11.md,
2155         config/sh/crt1.asm, config/sh/lib1funcs.asm,
2156         config/sh/sh-modes.def, config/sh/sh-protos.h,
2157         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
2158
2159 2005-05-13  Richard Henderson  <rth@redhat.com>
2160
2161         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
2162         addition to move unless dest is a register.  Do not skip
2163         instantiation in dest on addition simplification.
2164
2165 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
2166
2167         * config/cris/cris.c (cris_print_operand) <case 'H'; case
2168         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
2169         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
2170
2171 2005-05-13  Jan Hubicka  <jh@suse.cz>
2172
2173         * basic-block.h (FOR_ALL_BB_FN): New macro.
2174         (init_flow): Initialize cfg structure.
2175         * function.c (allocate_struct_function): Do not initialize cfg structure.
2176         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
2177         (build_tree_cfg): ... here.
2178         * tree-flow.h (init_empty_tree_cfg): Declare.
2179
2180 2005-05-12  Steven Bosscher <stevenb@suse.de>
2181
2182         Fix PR tree-optimization/21520
2183         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
2184         to attempt to fold constants.
2185
2186 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2187
2188         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
2189         only when TARGET_ADJUST_UNROLL_MAX is defined.
2190         (general_movsrc_operand): Use the C style comment.
2191         (ua_offset): Use prototype.
2192
2193 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
2194
2195         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
2196         (struct hmr_data, hoist_memory_reference, memref_del,
2197         struct fmrv_data): Removed.
2198         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
2199         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
2200         list.
2201         (find_more_ref_vops): Traverse the list of memory references.
2202         (determine_lsm_loop): Work with the list of memory references instead
2203         of traversing the hashtable.
2204
2205 2005-05-12  Steven Bosscher  <stevenb@suse.de>
2206             Stuart Hastings <stuart@apple.com>
2207             Jan Hubicka  <jh@suse.cz>
2208
2209         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
2210         duplicate_eh_regions): New functions, based on old
2211         implementation removed with RTL inliner.
2212         (reachable_next_level): Modify behaviour pre-inline.
2213         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
2214         Declare.
2215         * function.h (struct function): Add after_inlining flag.
2216         * tree-optimize.c (tree_rest_of_compilation): Set it.
2217         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
2218         when needed.
2219         * tree-cfg.c (label_to_block_fn): Deal with cases where
2220         label was never insterted into code.
2221
2222 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
2223
2224         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
2225
2226 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
2227
2228         Fix PR tree-optimization/21532
2229         * tree-ssa-pre.c (create_expression_by_pieces): stmt
2230         needs to go onto the inserted_exprs list.
2231
2232 2005-05-12  Ian Lance Taylor  <ian@airs.com>
2233
2234         * c-common.h (statement_code_p): Don't declare.
2235         (STATEMENT_CODE_P): Don't define.
2236         (INIT_STATEMENT_CODES): Don't define.
2237         * c-common.c (statement_code_p): Don't define.
2238
2239 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2240
2241         * config/sparc/sparc.h: Remove dead code.
2242         * config/sparc/sparc.c (sparc_compute_frame_size): Use
2243         FIRST_PARM_OFFSET for the size of the register window area.
2244         (emit_save_regs): Rename into emit_save_or_restore_regs.
2245         Add 'action' parameter.  Use 4095 as upper bound for the offset.
2246         Pass 'action' to save_or_restore_regs.
2247         (emit_restore_regs): Delete.
2248         (sparc_expand_prologue): Call emit_save_or_restore_regs.
2249         (sparc_expand_epilogue): Likewise.
2250         * config/sparc/sparc.md (mode macro P): Move.
2251         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
2252         (mov<V32:mode> expander): Move to the top of the V32 section.
2253         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
2254         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
2255         (sibcall_epilogue): Move.
2256
2257 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
2258
2259         PR target/21501
2260         * arm.c (arm_gen_constant): Sign-extend intermediate values when
2261         synthesizing a constant of the difference of two immediates.
2262
2263 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
2264
2265         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
2266         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
2267         the alternatives using integer registers into the appropriate
2268         primitives.
2269
2270 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2271
2272         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
2273         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
2274         * bitmap.h: Fixed comments.
2275
2276 2005-05-11  Richard Henderson  <rth@redhat.com>
2277
2278         PR target/21412
2279         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
2280         (ia64_cannot_force_const_mem): New.
2281         (tls_symbolic_operand_type): New.
2282         (ia64_legitimate_constant_p): New.
2283         (ia64_expand_load_address): Return true on success.  Improve
2284         checks for when we should not split.
2285         (ia64_expand_tls_address): New addend operand.  Distribute it
2286         as appropriate to the tls_kind.  Delay referencing gp.
2287         (ia64_expand_move): Split symbolic addend as necessary.  Handle
2288         tls symbols with addends.
2289         * config/ia64/ia64-protos.h: Update.
2290         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
2291         p0, f0, f1, and r13.
2292         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
2293         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
2294         (symbolic_operand splitter): Pass everything through
2295         ia64_expand_load_address and FAIL or DONE as appropriate.
2296         (load_fptr): Only accept after reload.
2297         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
2298         load_symptr_low, load_ltoff_dtpmod,
2299         (load_dtpmod): New.
2300         (load_dtprel): Only accept tls symbols.
2301         (load_dtprel64, load_dtprel22): Likewise.
2302         (load_tprel, load_tprel64, load_tprel22): Likewise.
2303         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
2304         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
2305         (add_dtprel14, add_dtprel22): Likewise.
2306         (add_tprel, add_tprel14, add_tprel22): Likewise.
2307         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
2308         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
2309         (got_symbolic_operand): Check CONST offsets.
2310         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
2311         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
2312         (move_operand): Don't handle tls here.  Check CONST offsets.
2313
2314 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
2315
2316         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
2317         Remove hilo_operand check.
2318         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
2319         * config/mips/predicates.md (hilo_operand): Delete.
2320
2321 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
2322
2323         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
2324
2325 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
2326
2327         PR tree-optimizer/18472
2328         * tree-if-conv.c (tree_if_convert_stmt,
2329         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
2330
2331 2005-05-11  Jan Hubicka  <jh@suse.cz>
2332
2333         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
2334         (GTFILES): add except.h.
2335         * except.c (eh_status): Add throw_stmt_table.
2336         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
2337         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
2338         lookup_stmt_eh_region_fn): Declare.
2339         (throw_stmt_node): New structure.
2340         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
2341         * gengtype.c (open_base_files): Add except.h to inlines.
2342         * tree-eh.c (throw_stmt_node): Kill.
2343         (record_stmt_eh_region): Update.
2344         (add_stmt_to_eh_region_fn): Break out from ...
2345         (add_stmt_to_eh_region): ... here.
2346         (remove_stmt_from_eh_region_fn): Break out from ...
2347         (remove_stmt_from_eh_region): ... here.
2348         (lookup_stmt_eh_region_fn): Break out from ...
2349         (lookup_stmt_eh_region): ... here.
2350         (honor_protect_cleanup_actions): Use build_resx.
2351         (lower_try_finally_onedest): Likewise.
2352         (lower_try_finally_copy): Likewise.
2353         (lower_try_finally_switch): Likewise.
2354         (lower_eh_constructs): Update eh table construction.
2355         * tree.c (build_resx): New.
2356         * tree.h (build_resx): Declare.
2357
2358 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
2359
2360         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
2361         is needed.
2362
2363 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
2364
2365         * fold-const.c, libgcov.c: Fix comment typos.
2366
2367         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
2368         redundant code.
2369
2370 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
2371
2372         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2373         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
2374         default definition.
2375         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
2376
2377 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
2378
2379         PR bootstrap/21481
2380         * crtstuff.c: Include auto-host.h again, for now.
2381
2382 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
2383
2384         * config/mips/24k.md: Remove trailing whitespace.
2385
2386 2005-05-11  David Ung  <davidu@mips.com>
2387
2388         * config/mips/mips.md (type): Add imul3.
2389         (length, hazard, may_clobber_hilo): Check for imul3.
2390         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
2391         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
2392         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
2393         for a 3 operand mul and its bypasses.
2394         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
2395         * config/mips/4000.md (r4k_imul): Likewise.
2396         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
2397         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
2398         (vr4130_muldi): Likewise.
2399         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
2400         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
2401         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
2402         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
2403         (ir_vr54_imadd_si): Likewise.
2404         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
2405         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
2406         (rm7_impy_di): Likewise.
2407         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
2408         * config/mips/generic.md (generic_imul): Likewise.
2409         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
2410         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
2411
2412 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
2413
2414         PR middle-end/20371:
2415         * tree.h (record_layout_info_s): New member prev_packed.
2416         * stor-layout.c (update_alignment_for_field): Fix comment about
2417         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
2418         we start it properly aligned.
2419         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
2420         to update_alignment_for_field, and recompute it afterwards using
2421         the alignment of the record.
2422         When a packed bitfield precedes an MS bitfield, don't add padding
2423         at the end of the packed bitfield on behalf of the base type of
2424         the packed bit field.
2425         Don't adjust rli->bitpos at the end
2426         of an MS bitfield run if we already adjusted bitpos/offset for an
2427         alignment as large or larger than the bitfield type size.
2428         Take possible record alignment > BIGGEST_ALIGNMENT into account
2429         when calculating actual_align.
2430         Only put packed buit fields into rli->prev_field if they end up
2431         suitably aligned.
2432         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
2433         Update rli->remaining_in_alignment when we have already started a
2434         run of bit fields and we process a packed bit field.
2435
2436 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
2437
2438         * tree-data-ref.c (find_data_references_in_loop): Give up when
2439         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
2440         may embed arbitrary side effects.
2441         Remove the assumption that GIMPLE form contains a single array
2442         access per statement.
2443         When the statement contains virtual operands, fail if it is not
2444         a MODIFY_EXPR or a CALL_EXPR.
2445         Return after the dont know node is inserted.
2446
2447 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2448
2449         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
2450
2451 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
2452
2453         PR middle-end/19807
2454         PR tree-optimization/19639
2455         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
2456         and generic summands for char* as s * delta, too, folding &a[i]
2457         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
2458         for comparison of steps.  Convert types for index addition.
2459         (fold_binary): Adjust the callers to always dispatch to
2460         try_move_mult_to_index.
2461         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
2462         expr with non-gimple ARRAY_REF offset.
2463
2464 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
2465
2466         * fold-const.c (fold_indirect_ref_1): Avoid removing
2467         NOP_EXPRs with type qualifiers like const.
2468
2469 2005-05-11  Richard Henderson  <rth@redhat.com>
2470
2471         PR c/21502
2472         * c-decl.c (finish_decl): Propagate the completed array type of
2473         a global variable into the binding.
2474
2475 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
2476
2477         * Makefile.in (gtype-desc.o, build/genautomata.o)
2478         (build/varray.o): Depend on $(VARRAY_H).
2479
2480 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
2481
2482         * tree-optimize.c (init_tree_optimization_passes): Re-organize
2483         optimization passes to do an initial batch of scalar cleanups.
2484
2485 2005-05-10  Ian Lance Taylor  <ian@airs.com>
2486
2487         * read-rtl.c (struct macro_traverse_data): Define.
2488         (map_attr_string): New static function, broken out of
2489         apply_macro_to_string.
2490         (mode_attr_index, apply_mode_maps): New static functions.
2491         (apply_macro_to_string): Call map_attr_string.
2492         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
2493         all callers.
2494         (apply_macro_traverse): Expect data to point to a struct
2495         macro_traverse_data.
2496         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
2497         to pass data through htab_traverse.
2498         (read_rtx_1): Add mode_maps parameter.  Change all callers.
2499         Handle mode names which are attribute strings.
2500         * doc/md.texi (Substitutions): Rename from String Substitutions.
2501         Change references.  Document using attributes as modes.
2502
2503 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2504
2505         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
2506         * tree-optimize.c (init_tree_optimization_passes) Swap
2507         pass_ch and pass_profile.
2508         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
2509         here.  Remove rewrite_into_loop_closed_ssa call.
2510
2511 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2512
2513         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
2514         function.
2515         (legitimate_reload_constant_p): Add check for const double zero.
2516         * config/s390/s390.md: Add comment for constraint letter 'G'.
2517         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
2518         attributes for new case.
2519         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
2520         s390_const_double_ok_for_constraint_p.
2521         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
2522         Add prototype.
2523
2524 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2525
2526         PR tree-optimization/21170
2527         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
2528         rewrite_ssa_into_ssa in comments with update_ssa.
2529
2530 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2531
2532         * tree-ssa-loop-im.c: Include hashtab.h.
2533         (struct mem_ref_loc): New.
2534         (struct mem_ref): Describe the set of references with the same
2535         shape.
2536         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
2537         maybe_queue_var, fem_single_reachable_address,
2538         for_each_memref, single_reachable_address,
2539         is_call_clobbered_ref, determine_lsm_reg): Removed.
2540         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
2541         hoist_memory_reference, memref_hash, memref_eq, memref_del,
2542         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
2543         New functions.
2544         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
2545         (determine_lsm_loop): Rewritten.
2546         (determine_lsm): Do not set stmt uids.
2547
2548 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2549
2550         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
2551         letters.
2552
2553 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2554
2555         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
2556         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
2557         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
2558
2559 2005-05-10  Jeff Law  <law@redhat.com>
2560
2561         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
2562         thread_across_edge for any abnormal edges.
2563
2564 2005-05-10  Richard Henderson  <rth@redhat.com>
2565
2566         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
2567         * config/ia64/ia64-protos.h: Declare it.
2568         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
2569         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
2570         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
2571         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
2572         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
2573         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
2574         extend result; use release semantics.
2575         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
2576         (sync_val_compare_and_swap_<IMODE>): Update to match.
2577
2578 2005-05-10  Richard Henderson  <rth@redhat.com>
2579
2580         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
2581         before comparing it for success.
2582
2583 2005-05-10  Richard Henderson  <rth@redhat.com>
2584
2585         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
2586         no return value pattern.
2587
2588 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
2589             H.J. Lu  <hongjiu.lu@intel.com>
2590
2591         * libgcov.c (create_file_directory): New function. Create
2592         directory for the given file name.
2593         (gcov_max_filename): New static var. Keeps size of the longest
2594         file name.
2595         (gcov_exit): Always try to create directory for output
2596         file. Relocate each filename basing on environment vars.
2597         (__gcov_init): Remember the longest file name.
2598         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
2599         * doc/gcov.texi (Cross-profiling): New node documenting
2600         cross-profiling management.
2601         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
2602
2603 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2604
2605         * config/sparc/sparc.c (mem_min_alignment): Do not rely
2606         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
2607
2608 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
2609
2610         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
2611         case code to avoid one move instruction.
2612         (__umodsi3, __modsi3): Merge duplicated code sequences.
2613
2614 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2615
2616         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
2617         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
2618         * doc/invoke.texi: Fix typos.
2619
2620         * tree-data-ref.c (analyze_array_indexes, analyze_array,
2621         init_data_ref, access_functions_are_affine_or_constant_p,
2622         free_data_refs): Use VEC instead of VARRAY.
2623         * tree-data-ref.h (data_reference): Change the type of
2624         access_fns to VEC(tree,gc)*.
2625         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
2626
2627 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
2628
2629         PR c/17913
2630         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
2631         * fold-const.c (fold): Expand the condition of reducing cond_expr.
2632         (contains_label_1, contains_label_p): New functions for checking
2633         labels in a sub-tree.
2634
2635 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
2636
2637         PR c/21342
2638         * c-decl.c (pushdecl): When there is a declaration in the current
2639         scope and the declarations are external linkage, check for
2640         compatibility with the type in the external scope and update the
2641         type in the external scope with the composite type information.
2642         Do not form a composite type of the new type and the visible type
2643         if they are incompatible.
2644
2645 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
2646
2647         * crtstuff.c: Revert part of 2005-05-08 Change.
2648         (IN_LIBGCC2): Define.
2649
2650 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2651
2652         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
2653         remove redundant test.
2654         (fp_mov_p): Accept 0.
2655         (fp_high_losum_p): Remove redundant test.
2656         * config/sparc/predicates.md (const_high_operand): Explicitly test
2657         (not small_int_operand).
2658         (fp_const_high_losum_operand): New.
2659         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
2660         (movdi_insn_sp32_v9): Use canonical predicates.
2661         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
2662         (movdi_insn_sp64_novis): Delete.
2663         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
2664         (movsf_insn_novis): Delete.
2665         (movsf_insn_vis): Rename into movsf_insn.
2666         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
2667         (movsf_lo_sum): Use fp_const_high_losum_operand.
2668         (movsf_high): Likewise.
2669         (movsf_high_losum splitter): Likewise.
2670         (mov<V32:mode> expander): Use register_or_zero_operand.
2671         (mov<V64:mode> expander): Likewise.
2672         (movdf_insn_sp32): Use register_or_zero_operand.
2673         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
2674         Rename into movdf_insn_sp32_no_fpu.
2675         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
2676         Rename into movdf_insn_sp32_v9_no_fpu.
2677         (movdf_insn_v9only_novis): Delete.
2678         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
2679         (movdf_insn_sp64_novis): Delete.
2680         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
2681         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
2682         Rename into movdf_insn_sp64_no_fpu.
2683         (movtf expander): Use register_or_zero_operand.
2684         (movtf_insn_sp32): Delete.
2685         (movtf_insn_vis_sp32): Use register_or_zero_operand.
2686         Rename into movtf_insn_sp32.
2687         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
2688         Rename into movtf_insn_sp32_no_fpu.
2689         (movtf_insn_hq_sp64): Delete.
2690         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
2691         Rename into movtf_insn_sp64_hq.
2692         (movtf_insn_sp64): Delete.
2693         (movtf_insn_vis_sp64): Use register_or_zero_operand.
2694         Rename into movtf_insn_sp64.
2695         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
2696         Rename into movtf_insn_sp64_no_fpu.
2697
2698 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
2699
2700         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
2701         gcc_assert and gcc_unreachable as appropriate.
2702         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
2703         xstormy16_output_cbranch_si, xstormy16_split_move,
2704         xstormy16_initial_elimination_offset,
2705         xstormy16_encode_section_info, xstormy16_print_operand_address,
2706         xstormy16_expand_call, xstormy16_expand_arith,
2707         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
2708
2709 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2710
2711         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
2712         const_copies to VEC(tree,heap)*.
2713         (new_elim_graph, delete_elim_graph, elim_graph_size,
2714         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
2715         instead of VARRAY.
2716
2717 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
2718
2719         PR other/21052
2720         * doc/extend.texi (Type Attributes): Correct example syntax.
2721
2722 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
2723
2724         PR c/21160
2725         * doc/invoke.texi (-Wuninitialized): Update documentation.
2726
2727 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
2728
2729         * arm.c (const_ok_for_arm): Use a faster algorithm.
2730
2731 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
2732
2733         PR target/21477
2734         * config/rs6000/rs6000.md (add_op2): New.
2735         (add<mode>3): Use it.
2736
2737 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
2738
2739         * arm.c (arm_gen_constant): Add new heuristic for generating
2740         constant integers that can be expressed as the difference of two
2741         valid immediates.
2742
2743 2005-05-09  Roger Sayle  <roger@eyesopen.com>
2744
2745         * c-tree.h (parser_build_unary_op): New prototype.
2746         * c-typeck.c (parser_build_unary_op): New function to construct
2747         a unary operation in the C parser.
2748         * c-parser.c (c_parser_unary_expression):  Use the new function
2749         parser_build_unary_op when appropriate.
2750
2751 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
2752
2753         PR 18655
2754         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
2755         before outputting DWARF_FRAME_RETURN_COLUMN.
2756
2757 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2758
2759         * config/s390/s390.c: (s390_branch_condition_mask,
2760         s390_branch_condition_mnemonic, s390_extra_constraint_str,
2761         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
2762         legitimize_pic_address, s390_emit_tls_call_insn,
2763         legitimize_tls_address, legitimize_tls_address,
2764         s390_expand_addcc, print_shift_count_operand, print_operand,
2765         addr_generation_dependency_p, annotate_constant_pool_refs,
2766         s390_split_branches, find_constant_pool_ref,
2767         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
2768         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
2769         s390_output_pool_entry, s390_function_value,
2770         s390_call_saved_register_used, s390_emit_call): Replace
2771         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
2772         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
2773         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
2774         get_some_local_dynamic_name, s390_function_arg_size,
2775         s390_function_arg_advance, s390_function_arg,
2776         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
2777         default case by gcc_unreachable.
2778         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
2779         conditional abort by gcc_assert.
2780         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
2781         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
2782
2783 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2784
2785         * config/s390/s390.c: (s390_decompose_address,
2786         tls_symbolic_operand, legitimate_pic_operand_p,
2787         legitimate_constant_p, legitimate_reload_constant_p,
2788         s390_expand_plus_operand, legitimate_address_p,
2789         legitimate_la_operand_p, ): Remove 'register' from signature.
2790         (symbolic_reference_mentioned_p,
2791         tls_symbolic_reference_mentioned_p): Remove 'register' from local
2792         variable declarations.
2793         (legitimize_address): Remove 'register' from
2794         signature and local variable declarations.
2795
2796 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2797
2798         * config/s390/s390-protos.h: (s390_match_ccmode,
2799         s390_match_ccmode_set, reg_used_in_mem_p,
2800         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
2801         legitimate_la_operand_p, preferred_la_operand_p,
2802         s390_short_displacement, addr_generation_dependency_p,
2803         legitimate_reload_constant_p, legitimate_address_p): Change return type
2804         into 'bool'.
2805         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
2806         * config/s390/s390.c: (s390_match_ccmode,
2807         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
2808         legitimate_reload_constant_p): Change return type into 'bool'.
2809         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
2810         Likewise.  Additionally adapted comment.
2811         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
2812         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
2813         (s390_decompose_address): Change the type of the internal flags
2814         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
2815         (struct s390_address): Change type of "pointer" into bool.
2816         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
2817         Adapt calls for 's390_tm_ccmode' to the new signature.
2818
2819 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2820
2821         * config/s390/s390.c: (s390_match_ccmode_set,
2822         s390_branch_condition_mnemonic, s390_short_displacement,
2823         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
2824         print_shift_count_operand, get_some_local_dynamic_name,
2825         get_some_local_dynamic_name_1, reg_used_in_mem_p,
2826         addr_generation_dependency_p, s390_split_branches,
2827         annotate_constant_pool_refs, find_constant_pool_ref,
2828         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
2829         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
2830         s390_register_info, s390_frame_info, s390_init_frame_layout,
2831         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
2832         restore_gprs, s390_function_arg_size, s390_function_arg_float,
2833         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
2834         s390_encode_section_info, s390_cannot_force_const_mem,
2835         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
2836         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
2837         s390_adjust_priority, s390_issue_rate,
2838         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
2839         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
2840         s390_build_builtin_va_list, s390_gimplify_va_arg,
2841         s390_function_ok_for_sibcall, s390_call_saved_register_used,
2842         s390_pass_by_reference, s390_fixed_condition_code_regs,
2843         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
2844         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
2845         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
2846         s390_add_pool_insn, s390_find_pool, s390_add_constant,
2847         s390_find_constant, s390_add_execute, s390_find_execute,
2848         s390_execute_label, s390_execute_target, s390_dump_pool,
2849         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
2850         Move target macro definitions to the end of the file.  Move several
2851         functions within the file to assure correct compiling.
2852
2853 2005-05-09  Steven Bosscher  <stevenb@suse.de>
2854
2855         * calls.c (purge_reg_equiv_notes): Remove, fold into...
2856         (fixup_tail_calls): ...here.  Only look at insns between the
2857         start of the function and the FUNCTION_BEG insn note.
2858
2859         * gcse.c (one_cprop_pass): Fix typos in dumps.
2860
2861         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
2862
2863 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2864
2865         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
2866         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
2867         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
2868         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
2869         CC_REGNUM)'.
2870         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
2871         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
2872         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
2873         REG_SC)'.
2874
2875 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2876
2877         * config/s390/s390.md: ("gf") New mode attribute.
2878         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
2879         "fixuns_truncsfsi2"): Merge.
2880         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
2881         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
2882         "fix_truncsfsi2_ieee"): Merge.
2883
2884 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2885
2886         * config/s390/s390.md: ("FPR") New mode macro.
2887         ("de", "dee"): New mode attributes.
2888         ("cmpdf", "cmpsf"): Merge.
2889         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
2890         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
2891         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
2892         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
2893         ("floatdidf2", "floatdisf2"): Merge.
2894         ("adddf3", "addsf3"): Merge.
2895         ("*adddf3", "*addsf3"): Merge.
2896         ("*adddf3_cc", "*addsf3_cc"): Merge.
2897         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
2898         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
2899         ("subdf3", "subsf3"): Merge.
2900         ("*subdf3", "*subsf3"): Merge.
2901         ("*subdf3_cc", "*subsf3_cc"): Merge.
2902         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
2903         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
2904         ("muldf3", "mulsf3"): Merge.
2905         ("*muldf3", "*mulsf3" "): Merge.
2906         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
2907         ("*fmadddf", "*fmaddsf"): Merge.
2908         ("*fmsubdf", "*fmsubsf"): Merge.
2909         ("divdf3", "divsf3"): Merge.
2910         ("*divdf3", "*divsf3"): Merge.
2911         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
2912         ("negdf2", "negsf2"): Merge.
2913         ("*negdf2_cc", "*negsf2_cc"): Merge.
2914         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
2915         ("*negdf2", "*negsf2"): Merge.
2916         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
2917         ("absdf2", "abssf2"): Merge.
2918         ("*absdf2_cc", "*abssf2_cc"): Merge.
2919         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
2920         ("*absdf2", "*abssf2"): Merge.
2921         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
2922         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
2923         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
2924         ("*negabsdf2", "*negabssf2"): Merge.
2925         ("sqrtdf2", "sqrtsf2"): Merge.
2926
2927 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2928
2929         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
2930         attribute names.
2931         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
2932         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
2933         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2934         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
2935         attribute names.
2936         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
2937         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
2938         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
2939         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
2940         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
2941         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
2942         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
2943         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
2944         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
2945         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
2946         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
2947         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
2948         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
2949         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
2950         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
2951         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
2952         'type' value.
2953         ("*divsf3"): Additionally rename second pattern to
2954         "*divsf3_ibm".
2955         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
2956         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
2957         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
2958         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
2959         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
2960         'type values' and rename 'type' value.
2961         ("*addsf3"): Additionally rename second pattern to
2962         "*addsf3_ibm".
2963
2964 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2965
2966         * config/s390/s390.md: ("SHIFT"): New mode macro.
2967         ("lr", "shift"): New mode attributes.
2968         ("ashldi3", "lshrdi3"): Merge.
2969         ("*ashldi3_31", "*lshrdi3"_31): Merge.
2970         ("*ashldi3_64", "*lshrdi3"_64): Merge.
2971         ("ashlsi3", "lshrsi3"): Merge.
2972
2973 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2974
2975         * config/s390/s390.md: ("DSI", "SCOND"): New mode
2976         macros.
2977         ("E", "g"): New mode attributes.
2978         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
2979         ("*adddi3_alc", "*addsi3_alc"): Merge.
2980         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
2981         ("*subdi3_slb", "*subsi3_slb"): Merge.
2982         ("adddicc", "addsicc"): Merge.
2983         ("*sconddi", "*scondsi"): Merge.
2984         ("*sconddi_neg", "*scondsi_neg"): Merge.
2985         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
2986         ("negdi2", "negsi2"): Extract expander pattern from
2987         "negsi2" and merge with "negdi2".
2988         ("*negdi2"): Merge with instruction pattern of "negsi2".
2989         ("*negdi2_cc", "*negsi2_cc"): Merge.
2990         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
2991         ("rotldi3", "rotlsi3"): Merge.
2992
2993 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2994
2995         * config/s390/s390.md: ("hc"): New mode attribute.
2996         ("extendhidi2", "extendqidi2"): Merge.
2997         ("*extendhidi2", "*extendqidi2"): Merge.
2998         ("extendhisi2", "extendqisi2"): Merge.
2999         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
3000         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
3001         Merged 2 define_split.
3002         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
3003         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
3004
3005 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3006
3007         * config/s390/s390.md: ("COMPARE"): New mode macro.
3008         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
3009         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
3010         "bungt", "bunle", "bunge", "bltgt"): Merge.
3011
3012 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3013
3014         * config/s390/s390.md: ("INT"): New mode macro.
3015         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
3016         Merge.
3017
3018 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3019
3020         * config/s390/s390.md: ("GPR", "P"): New mode macros.
3021         ("cmpdi", "cmpsi"): Merge.
3022         ("strlendi", "strlensi"): Merge.
3023         ("*strlendi", "*strlensi"): Merge.
3024         ("movmemdi", "movmemsi"): Merge.
3025         ("clrmemdi", "clrmemsi"): Merge.
3026
3027 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3028
3029         * config/s390/s390.md: ("HQI"): New mode macro.
3030         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
3031         ("*tmhi_full", "*tmqi_full"): Merge.
3032         ("*tsthiCCT", "*tstqiCCT"): Merge.
3033         ("*tsthi", "*tstqi"): Merge.
3034         ("*tsthi_cconly", "tstqi_cconly"): Merge.
3035         ("*sethighhisi", "*sethighqisi"): Merge.
3036
3037 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
3038
3039         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
3040         config/alpha/unicosmk.h, config/arc/arc.md,
3041         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
3042         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
3043         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
3044         config/arm/semi.h, config/arm/uclinux-elf.h,
3045         config/arm/wince-pe.h, config/fr30/fr30.c,
3046         config/rs6000/altivec.h: Update copyright.
3047
3048 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
3049
3050         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
3051         gcc_assert and gcc_unreachable as appropriate.
3052         (pdp11_output_function_epilogue, output_move_double,
3053         output_move_quad, print_operand_address, output_jump,
3054         output_addr_const_pdp11): Likewise.
3055         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
3056         ASM_OUTPUT_ALIGN): Likewise.
3057         * config/pdp11/pdp11.md: Likewise.
3058         (extendhisi2, subhi3, subqi3): Likewise.
3059
3060 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
3061
3062         PR middle-end/21237
3063         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
3064         to NE_EXPR case.
3065
3066 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
3067
3068         * config/ia64/ia64.c: Fix a comment typo.
3069
3070 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
3071
3072         PR target/21397
3073         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
3074         (arm_override_options): Use them instead of manifest constants.  Don't
3075         allow -march to override the -mtune setting.
3076
3077 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
3078
3079         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
3080         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
3081         (function_arg_advance, function_arg, save_restore_insns,
3082         iq2000_expand_prologue, iq2000_output_conditional_branch,
3083         expand_one_builtin, print_operand):
3084         * config/iq2000/iq2000.md (tablejump): Likewise.
3085
3086 2005-05-09  David Ung  <davidu@mips.com>
3087
3088         * config/mips/mips.h (processor_type): Add names for the 24K.
3089         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
3090         processor family.
3091         * config/mips/mips.md (cnv_mode): New attribute for recording the
3092         conversion types of float convert insns.
3093         (cpu): Add 24k and 24kx.
3094         (include): Include 24k.md file.
3095         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
3096         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
3097         (floatdisf2): Setup cnv_mode.
3098         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
3099         setup cnv_mode.
3100         * config/mips/24k.md: New file, contains 24k DFA pipeline
3101         description.
3102
3103 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
3104
3105         * config/sh/sh.c (print_operand_address): Use gcc_assert and
3106         gcc_unreachable as appropriate.
3107         (print_operand, prepare_move_operands, prepare_scc_operands,
3108         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
3109         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
3110         fixup_mova, gen_far_branch, sh_reorg, split_branches,
3111         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
3112         sh_set_return_address, sh_setup_incoming_varargs,
3113         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
3114         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
3115         check_use_sfunc_addr): Likewise.
3116         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
3117         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
3118         * config/sh/symbian.c (sh_symbian_mark_dllexport,
3119         sh_symbian_mark_dllimport): Likewise.
3120         * config/sh/sh.md: Likewise.
3121         (movdicc, call_pop, call_value_pop, casesi_worker_1,
3122         casesi_worker_2, casesi_shift_media, casesi_load_media,
3123         return_media): Likewise.
3124
3125 2005-05-08  Roger Sayle  <roger@eyesopen.com>
3126
3127         PR inline-asm/8788
3128         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
3129         operands.
3130
3131 2005-05-08  Richard Henderson  <rth@redhat.com>
3132
3133         * config/alpha/alpha.c (adjust_address): Fix typo last change.
3134
3135 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3136
3137         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
3138         and -1 can happen in reg_renumber when no hard register is assigned.
3139
3140 2005-05-08  Steven Bosscher  <stevenb@suse.de>
3141             Kazu Hirata  <kazu@cs.umass.edu>
3142
3143         PR tree-optimization/14841, tree-optimization/15838
3144         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
3145         (evaluate_stmt): Call it.
3146
3147 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
3148
3149         * config/ia64/ia64.c (ia64_override_options): Don't set
3150         ia64_flag_var_tracking and clear flag_var_tracking here...
3151         (ia64_file_start): ... but here.
3152
3153 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
3154
3155         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
3156         and gcc_unreachable as appropriate.
3157         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
3158         m68hc11_gen_highpart, print_operand, print_operand_address,
3159         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
3160         m68hc11_gen_movhi): Likewise.
3161         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
3162         * config/m68hc11/m68hc11.md: Reword comment.
3163
3164 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3165
3166         PR target/21281
3167         * config/m68hc11/predicates.md (splitable_operand): An immediate is
3168         allowed.
3169
3170 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3171
3172         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
3173         the 68HC12 address indirect addressing mode as it is not supported by
3174         bset and bclr.
3175         * config/m68hc11/m68hc11-protos.h
3176         (m68hc11_valid_addressing_p): Declare.
3177         (m68hc11_add_mode): Declare.
3178         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
3179         register_indirect_p and export it.
3180         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
3181         instruction so that it is part of the good BB.
3182         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
3183         addressing with movw.
3184         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
3185         68HC12.
3186         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
3187         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
3188         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
3189         for 68HC11.
3190         ("*movhi_68hc12"): Handle movhi_const0.
3191         ("*subhi3", "subqi3"): Use general_operand for operand 1.
3192         ("*subhi3_zext"): Likewise.
3193
3194 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3195
3196         PR target/19051
3197         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
3198         operand 1 and fix constraints.
3199         ("mulqihi3"): Use general_operand for operand 2.
3200
3201 2005-05-08  Julian Brown  <julian@codesourcery.com>
3202             H.J. Lu  <hongjiu.lu@intel.com>
3203             Paul Brook  <paul@codesourcery.com>
3204
3205         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
3206         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
3207         20050308/2.16.0 or newer for comdat group.
3208         * configure: Regenerated.
3209         * config.in: Regenerated.
3210         * varasm.c (default_function_rodata_section): Put .rodata section in
3211         COMDAT group when necessary.
3212         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
3213         HAVE_COMDAT_GROUP.
3214         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
3215         available.
3216
3217 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
3218
3219         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
3220         instead of VARRAY.
3221         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
3222         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
3223         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
3224         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3225
3226 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
3227
3228         PR target/16925
3229         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
3230         64-bit constants on 64-bit hosts.
3231         (m68hc11_split_logical): Simplify.
3232         (m68hc11_split_move): Likewise.
3233
3234 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
3235             Paolo Bonzini  <bonzini@gnu.org>
3236
3237         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
3238         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
3239         * configure.ac (enable_checking): Fix typos in runtime_checking.
3240         (ENABLE_RUNTIME_CHECKING): Mark as target template.
3241         (xm_file): Prepend auto-host.h
3242         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
3243         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
3244         tconfig.h.
3245         * crtstuff.c: Do not include auto-host.h.
3246         (IN_LIBGCC2): Do not define.
3247         * gcov-io.h: Include tconfig.h, not auto-host.h.
3248         * libgcc2.c: Do not include auto-host.h.
3249         (abort): Do not undefine.
3250         * libgcov.c: Remove unneeded comment about config.h.
3251         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
3252         * config.in, configure: Regenerated.
3253
3254 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
3255             Falk Hueffner  <falk@debian.org>
3256
3257         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
3258         and gcc_unreachable as appropriate.
3259         (get_aligned_mem, get_unaligned_address,
3260         alpha_emit_set_long_const, alpha_emit_conditional_branch,
3261         alpha_emit_setcc, alpha_emit_conditional_move,
3262         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
3263         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
3264         alpha_expand_unaligned_load, alpha_expand_block_move,
3265         alpha_expand_zap_mask, get_trap_mode_suffix,
3266         get_round_mode_suffix, get_some_local_dynamic_name,
3267         print_operand_address, function_arg, alpha_return_in_memory,
3268         function_value, alpha_expand_builtin,
3269         alpha_initial_elimination_offset, alpha_expand_epilogue,
3270         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
3271         alphaev5_next_group, alpha_align_insns,
3272         unicosmk_initial_elimination_offset, unicosmk_unique_section,
3273         unicosmk_ssib_name): Likewise.
3274         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3275         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
3276         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
3277         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
3278         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
3279         * config/alpha/alpha.md (*divmodsi_internal_er,
3280         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
3281         call_nt, call_umk, call_vms, call_value, sibcall_value,
3282         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
3283         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
3284         * config/alpha/predicates.md (input_operand): Likewise.
3285
3286 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
3287
3288         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
3289         gcc_unreachable, as appropriate.
3290         (frv_function_prologue, frv_alloc_temp_reg,
3291         frv_initial_elimination_offset, frv_expand_block_move,
3292         frv_expand_block_clear, frv_print_operand_jump_hint,
3293         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
3294         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
3295         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
3296         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
3297         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
3298         frv_in_small_data_p, frv_asm_out_constructor,
3299         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
3300         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
3301         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
3302         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
3303         sibcall_value, casesi): Likewise.
3304
3305         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
3306         gcc_unreachable as appropriate.
3307         (print_operand_address, mn10300_print_reg_list, expand_prologue,
3308         expand_epilogue, notice_update_cc, initial_offset,
3309         mn10300_address_cost_1): Likewise.
3310         * config/mn10300/mn10300.md: Likewise.
3311         (absdf2, abssf2, negdf2, negsf2): Likewise.
3312
3313 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
3314
3315         PR target/21416
3316         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
3317         comparisons.
3318         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
3319         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
3320         including sunge_<mode> and sungt_<mode>.
3321
3322 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
3323
3324         * integrate.h (get_hard_reg_initial_val): Change type of register
3325         parameter from int to unsigned int.
3326         (has_hard_reg_initial_val): Likewise.
3327         * integrate.c (get_hard_reg_initial_val): Likewise.
3328         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
3329
3330 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
3331
3332         * except.c (eh_status): Change the type of ttype_data to
3333         VEC(tree,gc)*.
3334         (add_ttypes_entry, assign_filter_values,
3335         output_function_exception_table): Use VEC instead of VARRAY.
3336
3337 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
3338
3339         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
3340
3341 2005-05-07  Paul Brook  <paul@codesourcery.com>
3342
3343         * Makefile.in: Fix dependencies.
3344         (GCOV_IO_H, VARRAY_H): Set.
3345
3346 2005-05-07  Anthony Green  <green@redhat.com>
3347
3348         PR bootstrap/21403
3349         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
3350         x$STMP_FIXPROTO test.
3351         * configure: Rebuilt.
3352
3353 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
3354
3355         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
3356         inappropriate feature test macros if flag_iso.
3357
3358 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
3359
3360         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
3361
3362 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
3363
3364         PR target/21441
3365         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
3366         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
3367         Handle moved operand being in special register.
3368         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
3369         presumed working insn.
3370         (mover2side): Add FIXME.
3371
3372 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
3373
3374         * integrate.c (get_func_hard_reg_initial_val): Delete.
3375         (has_func_hard_reg_initial_val): Delete.
3376         (get_hard_reg_initial_val): Inline the old implementation of
3377         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
3378         instead of has_func_hard_reg_initial_val to test for an existing
3379         pseudo.  Only create an rtx if a new initial value entry is needed.
3380         (has_hard_reg_initial_val): Scan the initial value list directly.
3381         Don't create an rtx.
3382
3383 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
3384
3385         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
3386         from extra_options.
3387         * config.in (HAVE_AS_POPCNTB): New.
3388         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
3389         (HAVE_AS_POPCNTB): New.
3390         * configure: Regenerated.
3391         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
3392         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
3393         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
3394         and rs6000_sched_costly_dep.
3395         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
3396         (TARGET_XL_COMPAT): Delete.
3397         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
3398         (popcount<mode>2): New.
3399         (popcntb<mode>2): New.
3400         * config/rs6000/rs6000.opt (mpopcntb): New.
3401
3402         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
3403         if variable name exists.
3404
3405 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
3406
3407         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
3408
3409 2005-05-07  Richard Henderson  <rth@redhat.com>
3410
3411         PR target/21412
3412         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
3413         with constant offsets.
3414
3415 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
3416
3417         * config/v850/v850.c (print_operand): Use gcc_assert and
3418         gcc_unreachable, as appropriate.
3419         (print_operand_address, v850_handle_data_area_attribute,
3420         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
3421         v850_insert_attributes, construct_prepare_instruction): Likewise.
3422         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3423         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
3424
3425 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
3426
3427         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
3428         config/rs6000/rs6000.h: Fix comment typos.
3429
3430 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
3431
3432         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
3433         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
3434         (mips_scalar_mode_supported_p): Delete.
3435
3436 2005-05-06  Eric Christopher  <echristo@redhat.com>
3437
3438         * config/mips/mips.opt: Remove -mint64 option.
3439         * config/mips/mips.c (override_options): Remove -mint64
3440         handling.
3441         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
3442         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
3443         64-bit integer handling.
3444         * doc/invoke.texi (Option Summary): Remove -mint64 for
3445         mips.
3446
3447 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
3448
3449         PR tree-optimization/19401
3450         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
3451         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
3452         (estimated_unrolled_size): New function.
3453         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
3454         tree_unroll_loops_completely): Always unroll loops if the code size
3455         does not increase.
3456         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
3457         loops should be unrolled completely.
3458         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
3459
3460 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
3461
3462         PR rtl-optimization/21254
3463         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
3464         assumptions for loops that otherwise do not roll.
3465         (find_simple_exit): Prefer # of iterations that is guaranteed
3466         not to be infinite.
3467         * loop-unroll.c (decide_peel_once_rolling,
3468         decide_peel_completely): Check whether the loop is infinite.
3469
3470 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
3471
3472         * config/rs6000/sysv4.opt: Fix typo.
3473
3474 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
3475             Jakub Jelinek  <jakub@redhat.com>
3476
3477         PR target/21329
3478         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
3479         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
3480         Don't use rep; movs{l,q} if the repetition count is really small,
3481         instead use a sequence of movs{l,q} instructions.
3482
3483 2005-05-06  Jeff Law  <law@redhat.com>
3484
3485         PR tree-optimization/21380
3486         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
3487         thread through a block with no preds.
3488
3489 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
3490
3491         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
3492         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
3493         add_call_read_ops): Use VEC instead of VARRAY.
3494
3495 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3496
3497         * config/mcore/mcore.c (mcore_print_operand_address): Use
3498         gcc_assert and gcc_unreachable as appropriate.
3499         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
3500         mcore_output_andn, output_inline_const, mcore_output_move,
3501         mcore_output_movedouble, mcore_expand_block_move,
3502         layout_mcore_frame, mcore_initial_elimination_offset,
3503         mcore_expand_prolog, mcore_mark_dllexport,
3504         mcore_mark_dllimport): Likewise.
3505         * config/mcore/mcore.h (switch_to_section): Likewise.
3506         * config/mcore/mcore.md: Likewise.
3507
3508 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
3509
3510         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
3511         TARGET_PROFILE_KERNEL.
3512
3513         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
3514         TARGET_PROFILE_KERNEL use.
3515
3516 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3517
3518         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
3519         and gcc_unreachable, as appropriate.
3520         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
3521         m32r_expand_prologue, m32r_output_function_epilogue,
3522         m32r_legitimize_pic_address, m32r_print_operand_address,
3523         emit_cond_move, m32r_function_symbol,
3524         m32r_output_block_move): Likewise.
3525         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3526         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
3527         *rev_zero_branch_insn): Likewise.
3528
3529 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
3530
3531         PR c++/20961
3532         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
3533         if both NEWDECL and OLDDECL are already weak.
3534
3535 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
3536
3537         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
3538
3539 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
3540             Kaz Kojima  <kkojima@gcc.gnu.org>
3541
3542         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
3543         and plus_constant.
3544
3545 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
3546             David Edelsohn  <edelsohn@gnu.org>
3547
3548         * config.gcc: Add .opt magic for the rs6000 ports.
3549
3550         * doc/invoke.texi: Document -mabi= option properly.  Document
3551         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
3552         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
3553         -misel=.
3554
3555         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
3556         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
3557         TARGET_XL_COMPAT.
3558
3559         * config/rs6000/aix.opt: New.
3560         * config/rs6000/aix41.opt: New.
3561         * config/rs6000/aix64.opt: New.
3562         * config/rs6000/darwin.opt: New.
3563         * config/rs6000/linux64.opt: New.
3564         * config/rs6000/rs6000.opt: New.
3565         * config/rs6000/sysv4.opt: New.
3566
3567         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
3568         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
3569         SUBTARGET_SWITCHES.
3570         Define TARGET_USES_SYSV4_OPT.
3571         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
3572         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
3573         TARGET_USES_AIX64_OPT.
3574         * config/rs6000/aix51.h: Same.
3575         * config/rs6000/aix52.h: Same.
3576         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
3577         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
3578         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
3579         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
3580         * config/rs6000/linux64.h: Use
3581         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
3582
3583         * config/rs6000/rs6000.c: Remove definitions of
3584         rs6000_sched_restricted_insns_priority,
3585         rs6000_long_double_size_string, rs6000_altivec_vrsave,
3586         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
3587         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
3588         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
3589         rs6000_alignment_string.  Define rs6000_explicit_options.
3590         (rs6000_parse_abi_options): Remove.
3591         (rs6000_parse_alignment_option): Remove.
3592         (rs6000_parse_float_gprs_option): Remove.
3593         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
3594         TARGET_DEFAULT_TARGET_FLAGS.
3595         (rs6000_override_options): Revamp to use new .opt machinery.
3596
3597         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
3598         of new .opt machinery.  Remove target_flags.  Redefine
3599         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
3600         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
3601         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
3602         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
3603         rs6000_longcall_switch, rs6000_default_long_calls,
3604         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
3605         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
3606         TARGET_ALTIVEC_VRSAVE.
3607
3608 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
3609
3610         * config.gcc (hppa1.1-*-rtems*): Remove.
3611         * config/pa/rtems.h: Remove.
3612
3613 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
3614
3615         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
3616         Exclude roe/603e multilib variants.
3617
3618 2005-05-04  Denis Chertykov  <denisc@overta.ru>
3619
3620         PR target/21284
3621         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
3622         for output.
3623
3624 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
3625
3626         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
3627         arm/pe.opt to $extra_options.
3628         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
3629         (target_float_abi_name, target_float_switch, target_abi_name)
3630         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
3631         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
3632         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
3633         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
3634         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
3635         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
3636         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
3637         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
3638         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
3639         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
3640         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
3641         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
3642         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
3643         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
3644         (arm_pic_register_string): Delete.
3645         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
3646         TARGET_TPCS_FRAME.
3647         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
3648         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
3649         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
3650         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
3651         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
3652         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
3653         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
3654         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
3655         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
3656         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
3657         (SUBTARGET_SWITCHES): Delete.
3658         * config/arm/arm.c (target_float_switch): Delete.
3659         (arm_cpu_select): Moved from config/arm/arm.h.
3660         (target_fpu_name, target_fpe_name, target_float_abi_name)
3661         (target_abi_name, structure_size_string, arm_pic_register_string)
3662         (arm_select): Make static.
3663         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3664         (arm_handle_option): New function.
3665         (arm_override_options): Update target_flags checks for new mask names.
3666         Remove target_float_switch code.
3667         (arm_expand_prologue, thumb_expand_prologue): Check
3668         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
3669         * config/arm/arm.opt, config/arm/pe.opt: New files.
3670
3671 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
3672
3673         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
3674         gcc_unreachable as appropriate.
3675         (arc_double_limm_p, arc_setup_incoming_varargs,
3676         arc_compute_function_type, arc_output_function_prologue,
3677         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
3678         output_shift, arc_print_operand, arc_print_operand_address,
3679         arc_final_prescan_insn): Likewise.
3680         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
3681
3682 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
3683
3684         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
3685         comparing Pmode.
3686         (SDI): New.
3687         (cmp): Delete.
3688         (wd): New.
3689         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
3690         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
3691         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
3692         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
3693         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
3694         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
3695         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
3696         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
3697
3698 2005-05-05  Paul Brook  <paul@codesourcery.com>
3699
3700         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
3701         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
3702         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
3703         and tree-data-ref.h with *_H variables.
3704
3705 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
3706
3707         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
3708
3709 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
3710
3711         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
3712
3713 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
3714
3715         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
3716
3717 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
3718
3719         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
3720         setting of vrsave register for current function after
3721         call to save_world is emitted.
3722
3723 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
3724
3725         * config/mmix/predicates.md: New file.
3726         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
3727         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
3728         (mmix_foldable_comparison_operator, mmix_comparison_operator)
3729         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
3730         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3731         Don't define.
3732         * config/mmix/mmix.md: Include predicates.md.
3733         ("call", "call_value"): Force address to register if it isn't a
3734         mmix_symbolic_or_address_operand.
3735
3736 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
3737
3738         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
3739         the flags are of appropriate types.
3740         (num_ssa_operands): Generalize using the generic interface.
3741         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
3742         iterator.
3743
3744 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
3745
3746         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
3747         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
3748
3749 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3750
3751         * tree-outof-ssa.c (edge_leader, stmt_list,
3752         analyze_edges_for_bb): Use VEC instead of VARRAY.
3753         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
3754         (perform_edge_inserts): Call init_analayze_edges_for_bb and
3755         fini_analayze_edges_for_bb.
3756
3757 2005-05-04  James E Wilson  <wilson@specifixinc.com>
3758
3759         PR driver/21112
3760         * gcc.c (process_command): In the second argv scan loop, ignore
3761         Xassembler and Xpreprocessor, along with their argument.
3762
3763 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3764
3765         * tree-flow-inline.h, tree-ssa-operands.c,
3766         tree-ssa-operands.h, tree-ssa-opfinalize.h:
3767         Likewise. tree-vn.c: Fix comment typos.
3768         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
3769
3770 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
3771
3772         * doc/tm.texi (Target Hooks): Document
3773         TARGET_RESOLVE_OVERLOADED_BUILTIN.
3774
3775 2005-05-04  Paul Brook  <paul@codesourcery.com>
3776
3777         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
3778
3779 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3780
3781         * dwarf2out.c (incomplete_types, retry_incomplete_types,
3782         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
3783         of VARRAY.
3784
3785         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
3786         get_expansion, expand_var_during_unrolling,
3787         insert_var_expansion_initialization,
3788         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
3789         instead of VARRAY.
3790
3791         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
3792         update_stmt.
3793
3794 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
3795
3796         PR middle-end/15618
3797         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
3798         the same as INTEGER_TYPE.
3799         (fold_binary): Fold "bool_var != 0" to bool_var.
3800         Fold "bool_var == 1" to bool_var.
3801
3802 2004-05-03  Richard Henderson  <rth@redhat.com>
3803
3804         PR middle-end/21318
3805         * function.c (instantiate_virtual_regs_in_insn): Use the mode
3806         from recog_data instead of insn_data.
3807
3808 2005-05-03  DJ Delorie  <dj@redhat.com>
3809
3810         * common.opt (fdiagnostics-show-option): No variable is needed.
3811         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
3812         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
3813         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
3814         Save and restore original message format.  Use flag in context
3815         instead of global.
3816         (warning): Don't test for enabled warnings here.
3817         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
3818         here.
3819
3820 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
3821
3822         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
3823         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
3824         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
3825         * aclocal.m4: Don't include accross.m4.
3826         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
3827         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
3828         * configure, config.in: Regenerate.
3829
3830 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
3831
3832         PR middle-end/21265
3833         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
3834         (clear_storage): Add argument.
3835         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
3836         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
3837         tailcall.
3838         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
3839         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
3840         (store_expr, store_constructor): Adjust callers.
3841         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
3842         to emit_block_move if CALL_EXPR_TAILCALL (exp).
3843         (expand_builtin_memmove): Add ORIG_EXP argument, copy
3844         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
3845         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
3846         with EXP.  Pass EXP to expand_builtin_memmove.
3847         (expand_builtin_memset): Add ORIG_EXP argument, pass
3848         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
3849         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
3850         Pass EXP to expand_builtin_memset.
3851         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
3852         the new CALL_EXPR.
3853         (expand_builtin_strncmp): Likewise.
3854         (expand_builtin_printf): Replace ARGLIST argument with EXP.
3855         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
3856         (expand_builtin_fprintf): Likewise.
3857         (expand_builtin): Adjust calls to
3858         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
3859
3860         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
3861         item in V4SF mode.
3862
3863         PR rtl-optimization/21239
3864         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
3865
3866 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
3867
3868         * tree-flow.h (tree_ann_common_d): Move aux to ...
3869         (stmt_ann_d): ... here.
3870         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
3871         move_computations_stmt, schedule_sm): Update references to
3872         aux.
3873         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
3874
3875         * tree-cfg.c (remove_bb): Remove a redundant call to
3876         set_bb_for_stmt.
3877         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
3878         Likewise.
3879
3880 2005-05-03  Richard Henderson  <rth@redhat.com>
3881
3882         * config/rs6000/rs6000.c: Remove conflict markers.
3883
3884         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
3885
3886 2005-05-03  James E Wilson  <wilson@specifixinc.com>
3887
3888         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
3889
3890 2005-05-03  DJ Delorie  <dj@redhat.com>
3891
3892         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
3893         decide if the warning will be printed.
3894         * calls.c (expand_call): Likewise.
3895         * function.c (init-function_start): Likewise.
3896
3897         * common.opt (-fdiagnostics-show-option): New.
3898         * opts.c (option_enabled): Accept the option index instead of a
3899         pointer to the option descriptor.
3900         * opts.h (option_enabled): Likewise.
3901         * toplev.c (print_switch_values): Pass option index, not option
3902         descriptor.
3903         * diagnostic.h (diagnostic_info): Add option_index.
3904         * diagnostic.c: Include opts.h.
3905         (diagnostic_set_info): Initialize option_index.
3906         (diagnostic_report_diagnostic): Amend option name if appropriate.
3907         (warning): Check to see if the specified warning is enabled.
3908         Store option index.
3909         * doc/invoke.texi (-fdiagnostics-show-options): Document.
3910
3911 2005-05-03  Richard Henderson  <rth@redhat.com>
3912
3913         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
3914         SPEC_OR_GEN_REGS definitions.
3915
3916 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
3917
3918         PR target/16888
3919         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
3920         for unavailable registers.
3921
3922 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
3923
3924         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
3925
3926         * cfglayout.c (block_locators_blocks,
3927         insn_locators_initialize, insn_scope): Use VEC instead of
3928         VARRAY.
3929
3930         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
3931         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
3932         VARRAY.
3933
3934 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3935
3936         * config/sparc/predicates.md (const_compl_high_operand): New.
3937         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
3938         gen_safe_HIGH64.
3939         (sparc_emit_set_const64_quick1): Adjust for above change.
3940         (sparc_emit_set_const64_quick2): Likewise.
3941         (sparc_emit_set_const64_longway): Likewise.
3942         (sparc_emit_set_const64): Likewise.
3943         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
3944         movdi_const64_special): Delete.
3945         (logical constant splitters): Use const_compl_high_operand.
3946
3947 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
3948
3949         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
3950         rather than STRIP_NOPS.
3951
3952 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
3953
3954         PR rtl-optimization/21330
3955         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
3956         returning non-NULL.
3957         (unswitch_single_loop): Clear cinsn when retrying.
3958
3959         PR target/21297
3960         * config/i386/i386.c (legitimize_address): When canonicalizing
3961         ASHIFT into MULT, multiply by 1 << shift_count instead of
3962         1 << log2 (shift_count).
3963
3964 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
3965
3966         * lambda-code.c (gcc_loop_to_lambda_loop,
3967         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
3968         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
3969         generic operand interface.
3970         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
3971         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
3972         generic operand interface.
3973         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
3974         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
3975         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
3976         num_imm_uses): Use ssa_use_operand_t.
3977         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
3978         get_v_must_def_ops): Delete.
3979         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
3980         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
3981         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
3982         get_v_must_def_kill_ptr): Delete.
3983         (delink_stmt_imm_use): Move and use new operand interface.
3984         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
3985         op_iter_next_tree): Use new operand implementation.
3986         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
3987         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
3988         type check.
3989         (op_iter_next_mustdef, op_iter_next_maydef,
3990         op_iter_next_must_and_may_def): Delete. Replace with...
3991         (op_iter_next_maymustdef): New.  Combine must and may next operations.
3992         (op_iter_init_maydef, op_iter_init_mustdef,
3993         op_iter_init_must_and_may_def): Use new interface.
3994         (single_ssa_tree_operand ): New.  Process single operands only as trees.
3995         (single_ssa_use_operand): New.  Process single operands only as uses.
3996         (single_ssa_def_operand): New.  Process single operands only as defs.
3997         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
3998         specified types.
3999         (num_ssa_operands): New.  Count the number of specified operands.
4000         (compare_ssa_operands_equal): New.  Compare two statements' operands.
4001         (single_phi_def): New.  Return true if PHI has one def of the specified
4002         operand type.
4003         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
4004         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
4005         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
4006         (struct stmt_ann_d): Operands field no longer require GTY().
4007         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
4008         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
4009         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
4010         dump_replaceable_exprs, rewrite_trees): Use generic interface.
4011         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
4012         Use use_operand_p instead of ssa_imm_use_t *.
4013         * tree-pretty-print.c (dump_vops): check if operands are active before
4014         dumping virtual operands.
4015         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
4016         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
4017         (ccp_fold): Use new interface.
4018         (ccp_visit_stmt): Remove unused variables and code.
4019         (convert_to_gimple_builtin): Insert statements before calling
4020         mark_new_vars_to_rename.
4021         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
4022         (copy_prop_visit_cond_stmt): Use generic interface.
4023         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
4024         annotation in table.
4025         (thread_across_edge): Use generic interface.
4026         (initialize_hash_element): Initialzie with stmt, not annotation.
4027         (eliminate_redundant_computations): Use generic interface.
4028         (record_equivalences_from_stmt): Pass stmt, not annotation.
4029         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
4030         interface.
4031         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
4032         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
4033         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
4034         generic operand interface.
4035         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
4036         interface.
4037         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
4038         Interface.
4039         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
4040         (build_defs, build_uses, build_v_may_defs, build_vuses,
4041         build_v_must_defs): Change type to struct opbuild_list_d.
4042         (ops_active): New.  Operands active boolean.
4043         (operand_memory, operand_memory_index): New.  Operand memory managers.
4044         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
4045         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
4046         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
4047         Change from functions to static variable list heads.
4048         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
4049         (opbuild_initialize_real): New.  Initialize a virtual build list.
4050         (opbuild_free): New.  Free a build list.
4051         (opbuild_num_elems): New.  Number of items in a list.
4052         (opbuild_append_real): New.  Add a real (tree *) operand.
4053         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
4054         (opbuild_first): New.  Return first element index in a list.
4055         (opbuild_next): New.  Return next element in a list.
4056         (opbuild_elem_real): New.  Return real element.
4057         (opbuild_elem_virtual): New.  Return virtual element.
4058         (opbuild_elem_uid): New.  Return UID of virtual element.
4059         (opbuild_clear): New.  Reset an operand list.
4060         (opbuild_remove_elem): New.  Remove an element form a list.
4061         (ssa_operands_active): New.  Return true if operand cache is active.
4062         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
4063         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
4064         (correct_use_link): Use use_operand_p.
4065         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
4066         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
4067         (cleanup_v_may_defs): Use new implmentation.
4068         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
4069         implementation.
4070         (append_def, append_use, append_v_may_def, append_vuse,
4071         append_v_must_def): Call opbuild_append routine instead of using varray.
4072         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
4073         global parse_old_ops variable.
4074         (free_ssa_operands): New implementation.
4075         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
4076         (copy_virtual_operands): Move. New generic implementation.
4077         (create_ssa_artficial_load_stmt): Move. New implementation.
4078         (swap_tree_operands): Update for new implementation.
4079         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
4080         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
4081         rather than a varray.
4082         (verify_imm_links): Use use_operand_p.
4083         (dump_immediate_uses_for): If the immediate use variable is a virtual
4084         variable, show the virtual ops in the stmt.
4085         * tree-ssa-operands.h (def_operand_p): No longer a structure.
4086         (NULL_DEF_OPERAND_P): Now a #define.
4087         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
4088         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
4089         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
4090         mustdef_optype_d): New.  Use Linked list representation.
4091         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
4092         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
4093         (struct stmt_operands_d): Change to new pointers that are not GTY.
4094         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
4095         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
4096         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
4097         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
4098         SET_V_MUST_DEF_KILL): Delete.
4099         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
4100         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
4101         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
4102         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
4103         (enum ssa_op_iter_type): Operand iterator typechecking values.
4104         (struct ssa_operand_iterator_d): Use linked lists of operands.
4105         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
4106         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
4107         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
4108         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
4109         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
4110         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
4111         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
4112         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
4113         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
4114         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
4115         alloc_vuse, and alloc_mustdef.
4116         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
4117         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4118         and finalize_ssa_v_must_def_ops.
4119         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
4120         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
4121         stmt around.
4122         (compute_avail): Use generic iterator interface.
4123         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
4124         (stmt_makes_single_load, stmt_makes_single_store): Use
4125         ZERO_SSA_OPERANDS.
4126         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
4127         (statement_sink_location): Use generic interface.
4128         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
4129         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
4130         reset the immediate use link nodes.
4131         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
4132         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
4133         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
4134         (eliminate_tail_call): Use generic operand interface.
4135         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
4136         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
4137         interface.
4138         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
4139         interface.
4140         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
4141         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
4142         vuse_optype.
4143         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
4144         Use statement pointer instead of vuse_optype.  Use generic interface.
4145         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
4146         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
4147         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
4148         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
4149         * doc/tree-ssa.texi: Update documentation for operand interface.
4150
4151 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
4152
4153         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
4154         gcc_unreachable as appropriate.
4155         (machopic_function_base_name, machopic_indirect_data_reference,
4156         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
4157         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
4158         * config/rs6000/altivec.md (*mov<mode>_internal,
4159         build_vector_mask_for_load): Likewise.
4160         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
4161         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
4162         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
4163         * config/rs6000/predicates.md (easy_fp_constant,
4164         logical_operand): Likewise.
4165         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
4166         compute_save_world_info, rs6000_emit_prologue,
4167         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
4168         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
4169         directly.
4170
4171 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
4172
4173         PR middle-end/21282
4174         * convert.c (convert_to_integer): Convert ceil and floor in
4175         c99 mode only.
4176
4177 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
4178
4179         PR target/20813
4180         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
4181         define_insn_and_split.  Split only when memory operand is
4182         offsettable.  Use adjust_address rather than plus_constant.
4183         (floatunssidf2_internal): Likewise.
4184         (fix_truncdfsi2_internal): Split only when memory operand is
4185         offsettable.  Use adjust_address rather than plus_constant.
4186         (fix_trunctfsi2_internal): Likewise.
4187         (floatsidf2_internal): Likewise.
4188
4189 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
4190
4191         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
4192         (set_value_range_to_null): Likewise.
4193         (set_value_range_to_varying): New function.  Use it in all
4194         call sites that used to call set_value_range (vr, VR_VARYING, ...).
4195         (extract_range_from_assert): If the integral type has a
4196         super-type, and LIMIT is not within MIN and MAX values of that
4197         type, set the resulting range to VR_VARYING.
4198
4199 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
4200
4201         * config/mmix/mmix.opt: New file.
4202         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
4203         (mmix_cc1_ignored_option): Don't declare.
4204         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
4205         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
4206         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
4207         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
4208         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
4209         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
4210         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
4211         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
4212         Don't define.
4213         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
4214         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
4215         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4216
4217 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
4218
4219         PR c/15698
4220         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
4221         * c-decl.c (current_function_prototype_built_in,
4222         current_function_prototype_arg_types): New.
4223         (merge_decls): Keep source location of prototype followed by
4224         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
4225         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
4226         (start_function): Always set current_function_prototype_locus,
4227         current_function_prototype_built_in and
4228         current_function_prototype_arg_types.  Check for external
4229         prototype whether or not visible for external function and set
4230         current_function_prototype_arg_types accordingly.
4231         (store_parm_decls_oldstyle): Use
4232         current_function_prototype_arg_types for checking old-style
4233         definition against prototype.  Give warnings only if
4234         current_function_prototype_built_in).
4235
4236 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
4237
4238         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
4239         (ggc_alloc_zone_stat): Don't define.
4240         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
4241         ggc_alloc_zone_pass_stat.
4242         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
4243         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
4244         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
4245
4246 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
4247
4248         * calls.c (expand_call): Handle current_function_pretend_args_size
4249         when checking for sibcalls.
4250
4251 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
4252
4253         PR tree-optimization/21294
4254         * tree-vrp.c (vrp_expr_computes_nonzero): New.
4255         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
4256
4257 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
4258
4259         PR 19985
4260         * gcov-io.h: Declare gcov external functions hidden.
4261
4262 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
4263
4264         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
4265         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
4266         Use VEC instead of VARRAY.
4267         (equiv_free): New.
4268
4269         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
4270         out common code.
4271
4272 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
4273
4274         * c-common.c (resolve_overloaded_builtin): Forward to target
4275         hook for BUILT_IN_MD built-ins.
4276         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
4277         for all types of built-in.
4278         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
4279         in the definition of the target hooks struct.
4280         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
4281         * config/rs6000/altivec.h: Rewritten.
4282         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
4283         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
4284         rs6000_builtin_type, rs6000_builtin_type_compatible,
4285         altivec_overloaded_builtins, rs6000_builtin_type,
4286         rs6000_builtin_type_compatible): New.
4287         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
4288         New.
4289         (def_builtin): Turn into a function.  Check for duplicates and store
4290         the builtin into rs6000_builtin_decls.
4291         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
4292         bdesc_1arg): Add overloaded builtins.
4293         (altivec_expand_builtin): Check for unresolved overloaded builtins,
4294         do not support ALTIVEC_COMPILETIME_ERROR.
4295         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
4296         nodes to represent front-end types.
4297         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
4298         with opaque arguments and/or return values.
4299         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
4300         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
4301         (rs6000_builtin_type_index): New.
4302         (is_ev64_opaque_type): Rename to...
4303         (rs6000_is_opaque_type): ... this.
4304         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
4305         target hook.
4306
4307 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
4308
4309         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
4310         instead of VARRAY.
4311
4312 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
4313             Bernd Schmidt  <bernd.schmidt@analog.com>
4314
4315         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
4316         print_address_operand, print_operand, legitimize_pic_address,
4317         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
4318         output_pop_multiple): Use gcc_assert or gcc_unreachable as
4319         appropriate.
4320         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
4321
4322 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
4323
4324         * doc/passes.texi: Document vectorization pass.
4325
4326 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
4327
4328         * tree-scalar-evolution.c (get_exit_conditions_rec,
4329         select_loops_exit_conditions,
4330         number_of_iterations_for_all_loops,
4331         analyze_scalar_evolution_for_all_loop_phi_nodes,
4332         scev_analysis): Use VEC instead of VARRAY.
4333
4334 2005-05-02  Michael Matz  <matz@suse.de>
4335
4336         PR c++/19542
4337         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
4338         (warn_strict_null_sentinel): Define.
4339         (check_function_sentinel): Check for null_node as valid sentinel too.
4340         * c-common.h (c_tree_index): Added CTI_NULL.
4341         (null_node) Define global_tree[CTI_NULL].
4342         (warn_strict_null_sentinel): Declare.
4343         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
4344         * c.opt: (Wstrict-null-sentinel): New C++ option.
4345         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
4346
4347 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
4348
4349         * gimplify.c (gimplify_compound_lval): Use VEC instead of
4350         VARRAY.
4351
4352         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
4353
4354         * dwarf2out.c (decl_scope_table, push_decl_scope,
4355         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
4356         instead of VARRAY.
4357
4358 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
4359
4360         PR C++/14391
4361         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
4362         if !flag_weak.
4363         * doc/cpp.texi (__DEPRECATED): Document.
4364         (__EXCEPTIONS): Likewise.
4365         (__GXX_WEAK__): Likewise.
4366
4367         * function.c (INVOKE__main): Do not define.
4368         (expand_main_function): Check HAS_INIT_SECTION when determining
4369         whether or not to call __main.
4370
4371 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
4372
4373         * tree-ssa-loop-ivopts.c: Fix a comment typo.
4374
4375 2005-01-05  Paul Brook  <paul@codesourcery.com>
4376
4377         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
4378         (INITIALIZE_TRAMPOLINE): Use it.
4379         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
4380         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
4381         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
4382
4383 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
4384
4385         * doc/install.texi (Specific): Omit dots in the @anchors names
4386         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
4387         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
4388
4389 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
4390
4391         PR tree-optimization/18316
4392         PR tree-optimization/19126
4393         * tree.c (build_int_cst_type): Avoid shift by size of type.
4394         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
4395         argument.
4396         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4397         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
4398         field.
4399         (dump_cand): Dump depends_on information.
4400         (determine_biv_step): Add argument to simple_iv call.
4401         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
4402         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
4403         constant.
4404         (add_candidate_1): Record depends_on for candidates.
4405         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
4406         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
4407         Handle ivs with nonconstant step.
4408         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
4409         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
4410         (create_new_iv): Unshare the step before passing it to create_iv.
4411         (free_loop_data): Free cand->depends_on.
4412         (build_addr_strip_iref): New function.
4413         (find_interesting_uses_address): Use build_addr_strip_iref.
4414         (strip_offset_1): Split the recursive part from strip_offset.
4415         Strip constant offset component_refs and array_refs.
4416         (strip_offset): Split the recursive part to strip_offset_1.
4417         (add_address_candidates): Removed.
4418         (add_derived_ivs_candidates): Do not use add_address_candidates.
4419         (add_iv_value_candidates): Add candidates with stripped constant
4420         offset.  Consider all candidates with initial value 0 important.
4421         (struct affine_tree_combination): New.
4422         (aff_combination_const, aff_combination_elt, aff_combination_scale,
4423         aff_combination_add_elt, aff_combination_add,
4424         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
4425         fold_affine_sum): New functions.
4426         (get_computation_at): Use fold_affine_sum.
4427         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
4428         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
4429         to simple_iv call.
4430
4431 2005-04-30  Michael Matz  <matz@suse.de>
4432
4433         * config/i386/i386.md (movmemsi): Also active when
4434         TARGET_INLINE_ALL_STRINGOPS.
4435
4436 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
4437
4438         PR bootstrap/20633
4439         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
4440
4441 2005-04-30  Paul Brook  <paul@codesourcery.com>
4442
4443         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
4444         thumb mode.
4445         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
4446         * config/arm/ieee754-sf.S: Ditto.
4447         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
4448         (FUNC_ALIAS): Use .thumb_set for thumb routines.
4449
4450 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
4451
4452         * tree-ssanames.c: Fix a comment typo.
4453         * doc/options.texi: Fix a typo.
4454
4455 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
4456
4457         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
4458         gcc_unreachable as appropriate.
4459         (split_adds_subs, cond_string, print_operand,
4460         h8300_initial_elimination_offset, h8300_classify_operand,
4461         h8300_unary_length, h8300_short_immediate_length,
4462         h8300_bitfield_length, h8300_binary_length,
4463         h8300_insn_length_from_table, compute_mov_length, output_plussi,
4464         compute_plussi_length, compute_plussi_cc, output_logical_op,
4465         compute_logical_op_length, compute_logical_op_cc,
4466         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
4467         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
4468         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
4469         h8300_regs_ok_for_stm): Likewise.
4470         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
4471         monitor_prologue): Likewise.
4472
4473 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
4474
4475         * loop-invariant.c (invariants, create_new_invariant,
4476         get_inv_cost, best_gain_for_invariant,
4477         find_invariants_to_move, move_invariants,
4478         init_inv_motion_data, free_inv_motion_data): Use VEC instead
4479         of VARRAY.
4480
4481 2005-04-29  Richard Henderson  <rth@redhat.com>
4482
4483         * function.c (instantiate_decls): Remove valid_only argument.
4484         (instantiate_decls_1, instantiate_decl): Likewise.
4485         (instantiate_virtual_regs_1): Delete.
4486         (instantiate_virtual_regs_lossage): Delete.
4487         (instantiate_virtual_regs_in_rtx): New.
4488         (safe_insn_predicate): New.
4489         (instantiate_virtual_regs_in_insn): New.
4490         (instantiate_virtual_regs): Update to match all that.  Only run
4491         instantiate_decls once.
4492
4493 2005-04-29  Richard Henderson  <rth@redhat.com>
4494             Daniel Jacobowitz  <dan@codesourcery.com>
4495
4496         * gengtype.c (write_func_for_structure): Split out ...
4497         (output_type_enum): ... new function.  Fix thinko accessing
4498         TYPE_PARAM_STRUCT data.
4499
4500 2005-04-29  Tom Tromey  <tromey@redhat.com>
4501
4502         * tree.c (build_block): Removed unused 'tags' argument.
4503         * tree.h (build_block): Removed argument.
4504
4505 2005-04-29  Michael Matz  <matz@suse.de>
4506
4507         PR rtl-optimization/21144
4508         * postreload.c (reload_cse_move2add): Check for VOIDmode.
4509
4510 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
4511
4512         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
4513         flag_reorder_blocks.
4514
4515 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4516
4517         PR tree-optimization/21030
4518         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
4519         ranges where VR->MAX is smaller than VR->MIN.
4520
4521 2005-04-29  Devang Patel  <dpatel@apple.com>
4522
4523         PR tree-optimization/21272
4524         PR tree-optimization/21266
4525         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
4526
4527 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
4528
4529         * tree-flow-inline.h: Fix a comment typo.
4530         * doc/tree-ssa.texi: Fix a typo.
4531
4532         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
4533
4534 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4535
4536         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
4537         gcc_unreachable as appropriate.
4538         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
4539         fr30_print_operand, fr30_move_double): Likewise.
4540         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
4541
4542 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
4543
4544         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
4545         definition has already been provided.
4546         (ARM_EABI_DTORS_SECTION_OP): Likewise.
4547         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
4548         (ARM_EABI_DTORS_SECTION_OP): Likewise.
4549
4550 2005-04-29  Jim Tison  <jtison@us.ibm.com>
4551
4552         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
4553         trace hooks calls to improve performance.
4554
4555 2005-04-29  Julian Brown  <julian@codesourcery.com>
4556             Mark Mitchell  <mark@codesourcery.com>
4557             Paul Brook  <paul@codesourcery.com>
4558
4559         * crtstuff.c: Handle targets that use .init_array.
4560         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
4561         that INVOKE__main is set correctly.
4562         (expand_main_function): Test INVOKE__main.
4563         * libgcc2.c: Do not define __main when using .init_array.
4564         * config/arm/arm.c (arm_elf_asm_constructor): New function.
4565         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
4566         libgcc version.
4567         (DTORS_SECTION_ASM_OP): Likewise.
4568         (CTOR_LIST_BEGIN): Define specially when in libgcc.
4569         (CTOR_LIST_END): Likewise.
4570         (DTOR_LIST_BEGIN): Likewise.
4571         (DTOR_LIST_END): Likewise.
4572         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
4573         (FINI_SECTION_ASM_OP): Likewise.
4574         (INIT_ARRAY_SECTION_ASM_OP): Define.
4575         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
4576         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
4577         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
4578         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
4579         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
4580
4581 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4582
4583         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
4584         gcc_assert and gcc_unreachable as appropriate.
4585         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
4586         const_int_cost, output_move_const_into_data_reg,
4587         output_move_qimode, output_move_double, find_addr_reg,
4588         print_operand, print_operand_address): Likewise.
4589         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
4590         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
4591         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
4592         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
4593         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
4594         conditional_trap): Likewise.
4595         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
4596
4597 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4598
4599         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
4600         gcc_unreachable as appropriate.
4601         (gen_conditional_move, xtensa_split_operand_pair,
4602         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
4603         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
4604         xtensa_copy_incoming_a7, xtensa_output_literal,
4605         xtensa_output_literal, xtensa_output_literal): Likewise.
4606         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
4607         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
4608         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
4609         movsicc_internal1, movsfcc_internal0,
4610         movsfcc_internal1): Likewise.
4611
4612 2005-04-28  James E Wilson  <wilson@specifixinc.com>
4613
4614         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
4615         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
4616
4617 2005-04-28  DJ Delorie  <dj@redhat.com>
4618
4619         * opt-functions.awk (var_set): Emit proper initializer for
4620         non-target bitfields.
4621
4622 2005-04-28  Devang Patel  <dpatel@apple.com>
4623
4624         * dbxout.c (have_used_extensions): Remove.
4625         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
4626         have_used_extensions.
4627
4628 2005-04-28  James E Wilson  <wilson@specifixinc.com>
4629
4630         * doc/install.texi: Update -enable-languages info.  Correct path to
4631         html docs.
4632
4633 2005-04-28  DJ Delorie  <dj@redhat.com>
4634
4635         * optc-gen.awk (END): Make sure no variable is defined more
4636         than once.
4637         * opth-gen.awk (END): Allocate bits on a per-variable basis.
4638         Allow for bitfield variables other than target_flags.
4639         * doc/options.text (Mask): Document that you may specify a
4640         variable other than target_flags.
4641
4642 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
4643
4644         PR rtl-optimization/18877
4645         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
4646         number in val.start.
4647
4648 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
4649
4650         PR target/20813
4651         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
4652         MASK_PPC_GFXOPT.
4653         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
4654         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
4655         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
4656
4657 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
4658
4659         * arm.c (legitimize_pic_address): Fix sense of assertion test for
4660         creating pseudos when the base offset is too large.
4661
4662 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4663
4664         * global.c (earlyclobber_regclass): Change the type to
4665         VEC(int,heap).
4666         (check_earlyclobber): Update uses of earlyclobber_regclass.
4667         (mark_reg_use_for_earlyclobber): Likewise.
4668         (calculate_local_reg_bb_info): Allocate and free
4669         earlyclobber_regclass using the VEC API.
4670
4671 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
4672
4673         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
4674         assert.
4675
4676 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4677
4678         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
4679         (*targetm.foo).
4680
4681         * config.gcc: Obsolete c4x-* and tic4x-*.
4682
4683         * tree.h (edge_def): Remove.
4684
4685         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
4686         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
4687         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
4688         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
4689         where appropriate.
4690
4691         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
4692         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
4693         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
4694         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
4695         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
4696         machmode.def, mips-tfile.c, params.c, pretty-print.c,
4697         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
4698         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
4699         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
4700         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
4701         config/i386/cygming.h, config/i386/djgpp.h,
4702         config/i386/lynx.h, config/i386/netware.c,
4703         config/i386/winnt.c, config/ia64/ia64-c.c,
4704         config/iq2000/iq2000.c, config/m32r/little.h,
4705         config/m68k/m68k-protos.h, config/m68k/m68k.h,
4706         config/m68k/m68k.md, config/mcore/mcore.c,
4707         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
4708         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
4709         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
4710         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
4711         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
4712         config/pdp11/pdp11.h, config/rs6000/darwin.h,
4713         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
4714         config/s390/2064.md, config/s390/2084.md,
4715         config/s390/s390-modes.def, config/s390/s390-protos.h,
4716         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
4717         config/stormy16/stormy16.c, config/vax/vax-protos.h,
4718         config/vax/vax.c, config/vax/vax.h,
4719         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
4720         copyright.
4721
4722 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
4723
4724         * c-typeck.c (build_compound_expr): Correct logic in last change.
4725
4726 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
4727
4728         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
4729         parameters.  Replace conditional move code with assert checking for
4730         ar.lc.  Delete obsolete comments.
4731         (set_src_needs_barrier): Delete cond parameter, and code using it.
4732         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
4733         assert checking for PR_REGS.  Fix calls to update_set_flags and
4734         set_src_needs_barrier.
4735         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
4736         callers.  Rewrite explanatory comment before the function.
4737         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
4738         Fix all callers.
4739
4740 2005-04-27  Mike Stump  <mrs@apple.com>
4741
4742         * doc/cpp.texi: gcc now implements universal character names.
4743
4744 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4745
4746         PR c/21159
4747         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
4748         being a compound expression whose right-hand side is cast to void.
4749
4750 2005-04-27  Caroline Tice  <ctice@apple.com>
4751
4752         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4753         Remove targetm.have_named_sections test.
4754         (fix_edges_for_rarely_executed_code): Likewise.
4755         (insert_section_boundary_note): Likewise.
4756         (reorder_basic_blocks): Check partitioning flag before calling
4757         verify_hot_cold_block_grouping.
4758         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4759         the function struct rather than global variables.
4760         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4761         (COLD_END_LABEL): Likewise
4762         (cold_text_section_label): New static global variable.
4763         (cold_end_label): Likewise.
4764         (dwarf2out_switch_text_section): Get hot/cold section labels from
4765         the function struct rather than global variables; test to make sure
4766         cfun is defined.
4767         (output_aranges): Use cold_text_section_label and cold_end_label;
4768         check partitioning flag before putting out delta.
4769         (output_ranges): Remove incorrect code attempting to use
4770         hot/cold labels.
4771         (output_line_info): Get cold section label from function struct; test
4772         to make sure cfun is defined.
4773         (add_location_or_const_value_attribute): Likewise.
4774         (dwarf2out_var_location): Likewise.
4775         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4776         write out cold_text_section_label if partition flag is set.
4777         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4778         * function.h (struct function): Add new fields to point to hot/cold
4779         section labels: hot_section_label, cold_section_label,
4780         hot_section_end_label and cold_section_end_label; also add new field
4781         for cold text section name, unlikely_text_section_name.
4782         * opts.c (decode_options): Turn off partitioning flag if
4783         !targetm.have_named_sections.
4784         * output.h (hot_section_label): Remove.
4785         (hot_section_end_label): Remove.
4786         (cold_section_end_label): Remove.
4787         (unlikely_section_label): Remove.
4788         (unlikely_text_section_name): Remove.
4789         * passes.c (rest_of_handle_final):  Remove extra blank line.
4790         * varasm.c (unlikely_section_label): Remove.
4791         (hot_section_label): Remove.
4792         (hot_section_end_label): Remove.
4793         (cold_section_end_label): Remove.
4794         (unlikely_text_section_name):  Remove.
4795         (initialize_cold_section_name): Modify to call
4796         targetm.strip_name_encoding; to store cold section name in current
4797         function struct, if it exists; and to only use the decl_section_name
4798         if flag_named_sections is true.
4799         (unlikely_text_section): Modify to get section name out of current
4800         function struct, if there is one; otherwise build it from
4801         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4802         (in_unlikely_text_section): Likewise.
4803         (named_section): Modify to get/put cold section name in current function
4804         struct, if there is one.
4805         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4806         targetm.have_named_sections before calling named_section.
4807         (current_function_section): Likewise.
4808         (assemble_start_function): Modify to get/put unlikely_text_section_name
4809         in current function struct; modify to get hot/cold section labels
4810         from function struct; initialize labels using
4811         ASM_GENERATE_INTERNAL_LABEL;
4812         test partitioning flag before writing out hot section label.
4813         (assemble_end_function): Test partitioning flag before writing out
4814         hot/cold section labels.
4815         (default_section_type_flags_1):  Get cold text section name from
4816         function struct if there is one; Set flags correctly for
4817         cold text section if there is not a current function struct.
4818
4819 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4820
4821         * tree-ssa-propagate.c (set_rhs): Revert last change.
4822
4823 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
4824
4825         * explow.c (convert_memory_address): Add gcc_assert.
4826
4827 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
4828
4829         * configure.ac: Check for ld --sysroot support.
4830         * gcc.c: Document %R specifier for specs.
4831         (SYSROOT_SPEC): New macro.
4832         (sysroot_spec): New variable.
4833         (static_specs): Add sysroot_spec.
4834         (main): Pass the sysroot spec to the linker if appropriate.
4835         * configure: Regenerated.
4836         * config.in: Likewise.
4837
4838 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4839
4840         * fold-const.c (fold_binary): Use build_fold_addr_expr
4841         for address calculation and INDIRECT_REF handling.
4842
4843 2005-04-27  Andrew Haley  <aph@redhat.com>
4844
4845         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
4846
4847 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4848
4849         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
4850         pointer when thumb backtracing is on.
4851
4852         * config/fp-bit.c (abort): Revert change.
4853
4854 2005-04-27  Ian Lance Taylor  <ian@airs.com>
4855
4856         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
4857
4858 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4859
4860         * tree-ssa-dce.c: Fix a comment typo.
4861
4862 2005-04-27  David S. Miller  <davem@davemloft.net>
4863
4864         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
4865         Kill setjmpless_size.  current_function_calls_setjmp is completely
4866         computed when we are called, so just use the optimized size value
4867         instead of using REG_SAVE_AREA notes.
4868         (optimize_save_area_alloca): Delete....
4869         * rtl.h (optimize_save_area_alloca): Likewise...
4870         * passes.c (rest_of_compilation): and don't call it any more.
4871         * reg-notes.def (SAVE_AREA): Delete.
4872
4873 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4874
4875         * config/fp-bit.c (abort): Add noreturn attribute.
4876
4877         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
4878         gcc_unreachable as appropriate.
4879         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
4880         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
4881         ASM_OUTPUT_REG_POP): Likewise.
4882
4883 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
4884
4885         * tree-complex.c (expand_vector_operations_1): Do not build
4886         VIEW_CONVERT_EXPR's for the lhs.
4887
4888 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4889
4890         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
4891         unnecessary noncanonical RTL handling.
4892         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
4893         gcc_assert and gcc_unreachable.
4894
4895         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
4896         gcc_unreachable as appropriate.
4897         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
4898         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
4899         use_return_insn, const_ok_for_op, arm_gen_constant,
4900         arm_canonicalize_comparison, legitimize_pic_address,
4901         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
4902         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
4903         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
4904         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
4905         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
4906         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
4907         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
4908         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
4909         output_call, output_mov_long_double_fpa_from_arm,
4910         output_mov_long_double_arm_from_fpa,
4911         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
4912         output_move_double, arithmetic_instr, shift_op, int_log2,
4913         output_return_instruction, arm_output_function_prologue,
4914         arm_output_epilogue, arm_output_function_epilogue,
4915         emit_multi_reg_push, arm_get_frame_offsets,
4916         arm_compute_initial_elimination_offset, arm_expand_prologue,
4917         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
4918         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
4919         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
4920         thumb_compute_initial_elimination_offset,
4921         thumb_output_function_prologue, thumb_load_double_from_address,
4922         thumb_output_move_mem_multiple, thumb_reload_out_hi,
4923         arm_emit_vector_const, arm_dbx_register_number): Likewise.
4924         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
4925         * config/arm/arm.md (thumb_extendhisi2,
4926         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
4927         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
4928         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
4929         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
4930         * config/arm/cirrus.md (*cirrus_arm_movdi,
4931         *cirrus_movdf_hard_insn): Likewise.
4932         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4933
4934 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4935
4936         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
4937         (num_ssa_names): Use VEC_length.
4938         (ssa_names): Use VEC_index.
4939         * tree-ssanames.c (ssa_names): Change the type to
4940         VEC(tree,gc).
4941         (init_ssanames, fini_ssa_names, make_ssanames,
4942         release_ssa_name): Update uses of ssa_names.
4943
4944         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
4945         Use fold_buildN instead of fold (buildN (...)).
4946
4947 2005-04-27  Devang Patel <dpatel@apple.com>
4948
4949         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
4950
4951 2005-04-27  Matt Thomas <matt@3am-software.com>
4952             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
4953
4954         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
4955         (vax_output_mi_thunk): Ditto.
4956         (vax_notice_cc_update): Ditto.
4957         (INDEX_REGISTER_P): Add trailing \.
4958         (BASE_REGISTER_P): Add trailing \.
4959         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
4960
4961 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4962
4963         * tree-ssa-propagate.c (set_rhs): Check operand of
4964         ADDR_EXPR for gimpliness, too.
4965
4966 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4967
4968         * tree-ssa-pre.c: Fix a comment typo.
4969
4970 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
4971
4972         PR tree-optimization/21171
4973         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
4974         record address uses if the reference is volatile.
4975
4976 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
4977
4978         * tree-complex.c (expand_vector_operation): New, extracted from
4979         expand_vector_operations_1.
4980         (tree_vec_extract): Build a NOP_EXPR.
4981         (expand_vec_parallel): Do not care about returning the correct type.
4982         (expand_vector_operations_1): Call expand_vector_operation.
4983         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
4984
4985         * tree-complex.c (gate_expand_vector_operations): New.
4986         (pass_lower_vector_ssa): Use it.
4987         * tree-optimize.c (init_tree_optimization_passes): Include
4988         pass_lower_vector_ssa.
4989         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
4990         (vectorizable_operation): Use it.
4991         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
4992         integer modes for the vector type.
4993
4994         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
4995         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
4996         Do not cope with UNITS_PER_SIMD_WORD == 0.
4997         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
4998         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
4999         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
5000         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
5001         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
5002         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
5003         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
5004
5005         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
5006         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
5007         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
5008
5009         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
5010         (UNITS_PER_SIMD_WORD): New.
5011
5012 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5013
5014         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
5015         gcc_unreachable as appropriate.
5016         (ia64_expand_load_address, ia64_expand_tls_address,
5017         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
5018         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
5019         next_scratch_gr_reg, ia64_initial_elimination_offset,
5020         ia64_expand_prologue, ia64_expand_epilogue,
5021         ia64_output_dwarf_dtprel, ia64_print_operand,
5022         ia64_register_move_cost, first_instruction, rws_access_regno,
5023         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
5024         ia64_sched_init, ia64_variable_issue,
5025         ia64_first_cycle_multipass_dfs_lookahead_guard,
5026         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
5027         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
5028         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
5029         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
5030         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5031         * config/ia64/predicates.md (got_symbolic_operand,
5032         sdata_symbolic_operand): Likewise.
5033         * config/ia64/vect.md (vcondv2sf): Likewise.
5034
5035 2005-04-27  Matt Thomas <matt@3am-software.com>
5036
5037         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
5038         CONSTANT_ADDRESS_P in config/vax/vax.h
5039         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
5040         (INDEX_REGISTER_P): New.
5041         (BASE_REGISTER_P): New.
5042         (indirectable_constant_address_p): New.  Adapted from
5043         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
5044         (indirectable_address_p): New.  Adapted from
5045         INDIRECTABLE_ADDRESS_P in vax.h.
5046         (nonindexed_address_p): New.  Adapted from
5047         GO_IF_NONINDEXED_ADDRESS in vax.h.
5048         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
5049         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
5050         (legitimate_address_p): New.  Adapted from
5051         GO_IF_LEGITIMATE_ADDRESS in vax.h.
5052         (vax_mode_dependent_address_p): New.  Adapted from
5053         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
5054         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
5055         legitimate_constant_address_p.
5056         (CONSTANT_P): Use legitimate_constant_p.
5057         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
5058         (INDIRECTABLE_ADDRESS_P): Removed.
5059         (GO_IF_NONINDEXED_ADDRESS): Removed.
5060         (INDEX_TEMP_P): Removed.
5061         (GO_IF_REG_PLUS_INDEX): Removed.
5062         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
5063         definitions, depending on whether REG_OK_STRICT is defined.
5064         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
5065         Two definitions, depending on whether REG_OK_STRICT is defined.
5066         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
5067         added.
5068         (legitimate_constant_p): Prototype added.
5069         (legitimate_address_p): Prototype added.
5070         (vax_mode_dependent_address_p): Prototype added.
5071
5072 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
5073
5074         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
5075
5076 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
5077
5078         PR c/21213
5079         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
5080         transparent union.
5081
5082 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
5083
5084         PR c/20740
5085         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
5086         assertion failures, if __gcc_host_wide_int__ is not properly
5087         defined.
5088         (init_dynamic_diag_info): Give errors, not assertion failures, if
5089         location_t, tree or __gcc_host_wide_int__ are not properly
5090         defined.
5091
5092 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
5093
5094         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
5095         n_iv_uses, iv_use, n_iv_cands, iv_cand,
5096         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
5097         prepare_decl_rtl, free_loop_data,
5098         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
5099         VARRAY.
5100
5101         * tree.h (tree_phi_node): Add a comment about the order of PHI
5102         arguments.
5103
5104 2005-04-26  Paul Brook  <paul@codesourcery.com>
5105
5106         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
5107
5108 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
5109
5110         * config/mips.mips.c (mips_legitimize_tls_address): Use
5111         gcc_unreachable.
5112
5113         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
5114         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
5115         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
5116
5117         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
5118         'abort'.
5119
5120 2005-04-26  Jeff Law  <law@redhat.com>
5121
5122         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
5123         (op_iter_init_must_and_may_def): Likewise.
5124         (unmodifiable_var_p): Move to a later point in the file.
5125         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
5126         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
5127         (dse_record_phis): Directly check for virtual operands rather than
5128         using need_imm_uses_for.
5129         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
5130         store has multiple V_{MAY,MUST}_DEF operands.
5131
5132 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
5133
5134         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
5135         stmt.
5136
5137 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
5138
5139         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
5140         call to find_edge outside a loop to go through a PHI chain.
5141
5142 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
5143
5144         PR tree-optimization/17598
5145         * fold-const.c (fold_binary): Fold comparisons of addresses
5146         of COMPONENT_REFs which reference the same field to
5147         comparisons of the addresses of the base objects.
5148
5149 2005-04-26  Julian Brown  <julian@codesourcery.com>
5150
5151         * config/arm/arm.c (arm_return_in_msb): New function.
5152         (arm_must_pass_in_stack): New function.
5153         (TARGET_RETURN_IN_MSB): Define target hook.
5154         (TARGET_MUST_PASS_IN_STACK): Define target hook.
5155         (arm_function_value): Pad small aggregate return.
5156         (arm_pad_arg_upward): New function.
5157         (arm_pad_reg_upward): New function.
5158         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
5159         (FUNCTION_ARG_PADDING): Define macro.
5160         (BLOCK_REG_PADDING): Define macro.
5161         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
5162         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
5163         (arm_pad_reg_upward): Declare function.
5164
5165 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
5166
5167         * basic-block.h (ei_cond): New.
5168         (FOR_EACH_EDGE): Call ei_cond.
5169
5170         PR tree-optimization/21047
5171         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
5172         (fold): Don't handle ASSERT_EXPR.
5173
5174 2005-04-25  Roger Sayle  <roger@eyesopen.com>
5175
5176         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
5177         all writes to any stack register as a read/write dependency on
5178         FIRST_STACK_REG.
5179         (sched_analyze_2): Likewise, for reads from any stack register.
5180
5181 2005-04-25  Richard Henderson  <rth@redhat.com>
5182
5183         * final.c (output_addr_const): Revert 2005-04-09 change.
5184
5185 2005-04-25  Mike Stump  <mrs@apple.com>
5186
5187         * config/darwin.c (darwin_encode_section_info): Always set
5188         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
5189
5190 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5191
5192         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
5193         gensupport.c, protoize.c, toplev.c: Replace calls to
5194         `unlock_stream' with `unlock_std_streams'.
5195
5196 2005-04-25  Devang Patel <dpatel@apple.com>
5197
5198         * dbxout.c (dbxout_type): Emit attribute vector.
5199
5200 2005-04-05  Paul Brook  <paul@codesourcery.com>
5201
5202         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
5203         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
5204         * config/arm/arm.c (arm_cxx_atexit_name): New function.
5205         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
5206         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
5207         (register_dtor_fn): Likewise.
5208         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
5209
5210 2005-04-25  Ian Lance Taylor  <ian@airs.com>
5211
5212         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
5213         * c-common.h (EXPR_STMT_EXPR): Don't define.
5214         (c_common_stmt_codes): Don't define.
5215         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
5216         * c-gimplify.c (gimplify_expr_stmt): Remove.
5217         (c_gimplify_expr): Remove EXPR_STMT case.
5218         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
5219         to INIT_STATEMENT_CODES.
5220         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
5221
5222 2005-04-25  Jan Hubicka  <jh@suse.cz>
5223
5224         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
5225
5226         * except.c: Include diagnostic.h
5227         (dump_eh_tree, verify_eh_tree): New functions.
5228         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
5229         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
5230         (dump_function_to_file): dump eh tree.
5231         * tree-eh.c (mark_eh_edge): New function.
5232         (mark_eh_edge_found_error): New static variable.
5233         (verify_eh_edges): New function.
5234
5235 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
5236
5237         * tree-ssa-alias.c (fieldoff_t): Remove.
5238         (fieldoff_s): typedef the structure itself.  Create a vector of
5239         objects.
5240         (push_fields_onto_fieldstack): Return count of fields pushed.
5241         Remove peeling of first field.  Adjust.
5242         (fieldoff_compare): Adjust.
5243         (create_overlap_variables_for): Adjust.
5244
5245 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
5246
5247         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
5248
5249 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
5250
5251         PR bootstrap/21215
5252         * doc/install.texi: Document correct assembler and linker to use
5253         on i?86-*-solaris2.10.
5254
5255 2005-04-25  Steven Bosscher  <stevenb@suse.de>
5256
5257         Fix PR tree-optimization/21173
5258
5259         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
5260         Unshare expression we pass to force_gimple_operand.
5261
5262 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
5263             Stephen Clarke <stevec@superh.com>
5264             Roger Sayle <roger@eyesopen.com>
5265
5266         PR rtl-optimization/20413
5267         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
5268         VOIDmode for LABEL_REF.
5269         * final.c (shorten_branches): Likewise.
5270         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
5271         * loop.c (reg_dead_after_loop): Likewise.
5272         * varasm.c (decode_addr_const): Likewise.
5273         * doc/rtl.texi: Document mode requirement for LABEL_REF.
5274
5275 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
5276
5277         * config.gcc (avr-*-*): Remove redundant "case".
5278
5279 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
5280
5281         * tree-vect-analyze.c (vect_mark_relevant): Take
5282         VEC(tree,heap) instead of varray_type as an argument.
5283         (vect_mark_stmts_to_be_vectorized): Change the type of
5284         worklist to VEC(tree,heap).  Adjust uses of worklist.
5285
5286 2005-04-24  Devang Patel  <dpatel@apple.com>
5287
5288         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
5289
5290 2005-04-24  Ian Lance Taylor  <ian@airs.com>
5291
5292         * c-semantics.c (build_stmt): Remove test of specific tree codes
5293         for TREE_SIDE_EFFECTS handling.
5294
5295 2005-04-24  Per Bothner  <per@bothner.com>
5296
5297         * c-opts.c (finish_options):  Make the line-number of the <built-in>
5298         location 0, as assumed elsewhere, rather than 1.
5299
5300 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
5301
5302         * tree-ssa-uncprop.c (equiv_stack): Change the type o
5303         VEC(tree,heap).
5304         (tree_ssa_uncprop, uncprop_finalize_block,
5305         uncprop_initialize_block): Update uses of equiv_stack.
5306
5307 2005-04-24  Richard Henderson  <rth@redhat.com>
5308
5309         PR rtl-opt/21163
5310         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
5311         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
5312         constm1_rtx.
5313         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
5314         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
5315         <DIV, MOD>: Likewise.
5316
5317 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5318
5319         * collect2.c (main): Unlock the stdio streams.
5320         * gcc.c (main): Likewise.
5321         * gcov-dump.c (main): Likewise.
5322         * gcov.c (main): Likewise.
5323         * gen-protos.c (main): Likewise.
5324         * gensupport.c (init_md_reader_args_cb): Likewise.
5325         * protoize.c (main): Likewise.
5326         * toplev.c (general_init): Likewise.
5327
5328 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
5329
5330         PR middle-end/20991
5331         * cgraph.h (cgraph_local_info): Add vtable_method field.
5332         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
5333         and node is vtable_method, finalized and not reachable, don't do
5334         anything.
5335
5336 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
5337
5338         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
5339         COMPARISON_CLASS_P.
5340         * tree-ssa-pre.c (create_value_expr_from): Use
5341         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
5342         * tree-ssa-propagate.c (stmt_makes_single_load,
5343         stmt_makes_single_store): Use REFERENCE_CLASS_P.
5344         * tree-vect-transform.c (vect_is_simple_cond): Use
5345         COMPARISON_CLASS_P.
5346         * tree-vrp.c (extract_range_from_assert,
5347         build_assert_expr_for, fp_predicate, has_assert_expr): Use
5348         COMPARISON_CLASS_P.
5349
5350         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
5351         of tpa_to_clear to VEC(int,heap).  Update uses of
5352         tpa_to_clear.  Free tpa_to_clear at the end.
5353
5354 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
5355
5356         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
5357         function decl.
5358
5359 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
5360
5361         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
5362         and gcc_unreachable as appropriate.
5363         (num_insns_constant, output_vec_const_move,
5364         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
5365         rs6000_emit_set_const, rs6000_emit_move,
5366         spe_build_register_parallel, function_arg,
5367         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
5368         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
5369         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
5370         rs6000_common_init_builtins, expand_block_clear,
5371         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
5372         extract_ME, rs6000_get_some_local_dynamic_name,
5373         rs6000_output_function_entry, print_operand,
5374         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
5375         output_cbranch, output_e500_flip_gt_bit,
5376         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
5377         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
5378         compute_save_world_info, rs6000_stack_info,
5379         rs6000_emit_load_toc_table, rs6000_frame_related,
5380         spe_synthesize_frame_save, rs6000_emit_epilogue,
5381         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
5382         output_function_profiler, rs6000_trampoline_size,
5383         rs6000_initialize_trampoline, find_addr_reg,
5384         rs6000_machopic_legitimize_pic_address,
5385         rs6000_initial_elimination_offset,
5386         rs6000_dbx_register_number): Likewise.
5387         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
5388         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
5389         *movti_power, *movti_string, call, call_value, sibcall,
5390         sibcall_value): Likewise.
5391         * config/rs6000/spe.md (*movdf_e500_double,
5392         *movv2si_internal): Likewise.
5393         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
5394         from comment.
5395
5396 2005-04-24  Richard Henderson  <rth@redhat.com>
5397
5398         PR target/21101
5399         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
5400         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
5401         Deny modes smaller than 4 bytes.
5402         * config/i386/i386-protos.h: Update.
5403
5404 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
5405
5406         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
5407         Switch h8300-*-rtems* to ELF.
5408
5409 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
5410
5411         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
5412
5413 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5414
5415         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
5416
5417 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
5418
5419         PR middle-end/21082
5420         * fold-const.c: Fold &a[i]-&a[j] to i-j.
5421
5422 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
5423
5424         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
5425         definitions of ssa names in condition.  Split recusive part to ...
5426         (tree_simplify_using_condition_1): New function.
5427         (expand_simple_operations): New function.
5428
5429 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
5430
5431         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
5432         (find_interesting_uses_cond): Do not use integer_zerop and
5433         integer_nonzerop to check for integer constants.
5434         (set_use_iv_cost): Record the value field.
5435         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
5436         determine_use_iv_cost_outer): Set the value field of the cost pair.
5437         (may_eliminate_iv): Do not return the comparison code.
5438         (iv_elimination_compare): New function.
5439         (determine_use_iv_cost_condition): Set the value field.  Record
5440         noneliminable invariants correctly.
5441         (rewrite_use_compare, rewrite_use_outer): Use the value field.
5442
5443 2005-04-23  DJ Delorie  <dj@redhat.com>
5444
5445         * diagnostic.c (warning): Accept parameter to classify warning option.
5446         (warning0): New, for when a pointer to an error() like function is needed.
5447         * errors.c (warning): Likewise.
5448         * errors.h (warning, warning0): Adjust prototypes.
5449         * toplev.h (warning, warning0): Likewise.
5450
5451         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
5452         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
5453         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
5454         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
5455         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
5456         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
5457         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
5458         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
5459
5460         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
5461         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
5462         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
5463         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
5464         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
5465         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
5466         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
5467         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
5468         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
5469         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
5470         config/rs6000/aix52.h, config/rs6000/darwin.h,
5471         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
5472         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5473         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
5474         config/stormy16/stormy16.c, config/v850/v850-c.c,
5475         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
5476         callers.
5477
5478 2005-04-23  Richard Henderson  <rth@redhat.com>
5479
5480         PR rtl-opt/21102
5481         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
5482         performing some integral scalar simplifications.
5483
5484 2005-04-23  Richard Henderson  <rth@redhat.com>
5485
5486         PR target/21099
5487         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
5488         simplifying CONST_VECTOR.
5489
5490 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5491
5492         * tree-ssa-live.c (live_worklist): Take a stack allocated on
5493         heap as an argument.  Update uses of stack.
5494         (calculate_live_on_entry): Allocate stack on heap.
5495
5496         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
5497         partition_link and tpa_nodes on heap.
5498
5499         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
5500         (mark_stmt_necessary, propagate_necessity,
5501         mark_really_necessary_kill_operand_phis): Update uses of
5502         worklist.
5503         (tree_dce_init): Allocate worklist using VEC_alloc.
5504         (tree_dce_done): Free worklist using VEC_free.
5505
5506 2005-04-23  Mike Stump  <mrs@apple.com>
5507
5508         * config/darwin.c (machopic_indirection_name): Don't use
5509         quotes needlessly.
5510         (darwin_emit_unwind_label): Use user_label_prefix instead of
5511         "_".
5512
5513 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5514
5515         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
5516
5517 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
5518
5519         * config.gcc <cris-*>: Specify .opt files.
5520         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
5521         config/cris/linux.opt: New files.
5522         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
5523         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
5524         (TARGET_ELF): Override to 0.
5525         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
5526         -melinux-stacksize=N.
5527         * config/cris/cris.c: (cris_handle_option): New function.
5528         (TARGET_DEFAULT_TARGET_FLAGS): Override.
5529         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
5530         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
5531         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
5532         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
5533         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
5534         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
5535         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
5536         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
5537         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
5538         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
5539         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
5540         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
5541         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
5542         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
5543         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
5544         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
5545         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
5546         (TARGET_LINUX): Define 0.
5547         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
5548         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
5549         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
5550         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
5551         (TARGET_LINUX): Override to 1.
5552         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
5553
5554 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
5555
5556         * haifa-sched.c (schedule_block): Fix thinko in previous
5557         assertification patch.
5558
5559 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
5560
5561         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
5562         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
5563         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
5564         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
5565         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
5566         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
5567         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
5568         for hpux11.[1-9]*.
5569         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
5570         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
5571         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
5572         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
5573         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
5574         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
5575         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
5576         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
5577         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
5578         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
5579         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
5580         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
5581         (SUBTARGET_OPTIONS): Delete.
5582         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
5583         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
5584         instead of a string.
5585         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
5586         (pa_cpu_string, pa_unix_string): Delete.
5587         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
5588         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
5589         TARGET_HPUX_10_10.
5590         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5591         (pa_handle_option): New function.
5592         (override_options): Remove handling of -march=, -mfixed-range=,
5593         -mschedule= and -munix=.
5594         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
5595         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
5596         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
5597         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
5598         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
5599         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
5600         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
5601         redefining.
5602         * config/pa/pa.opt: New file.
5603         * config/pa/pa-hpux.opt: New file.
5604         * config/pa/pa-hpux1010.opt: New file.
5605         * config/pa/pa-hpux1111.opt: New file.
5606         * config/pa/pa64-hpux.opt: New file.
5607
5608 2005-04-22  David S. Miller  <davem@davemloft.net>
5609
5610         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
5611         integer when it's mode is VOIDmode not DImode.
5612
5613 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
5614
5615         * config/rs6000/rs6000.md (sync_add<mode>_internal,
5616         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
5617         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
5618         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
5619         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
5620         "bne- $-xxx" rather than local labels.
5621         (sync_lock_release<mode>): Add second operand.
5622         (lwsync): Use .long rather than a more meaningful opcode.
5623         * doc/md.texi (Standard Names): Add description of second
5624         parameter to sync_lock_test_and_set.
5625
5626 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5627
5628         PR tree-optimization/21088
5629         * fold-const.c (fold_unary, fold_binary, fold_ternary):
5630         Export.
5631         * tree-vrp.c (compare_values): Use fold_binary to compare
5632         pointers.  Use boolean_type_node as the type of a comparison
5633         expression being folded.
5634         * tree.h: Add prototypes for fold_unary, fold_binary,
5635         fold_ternary.
5636
5637         * tree-ssa-dom.c: Fix formatting.
5638
5639 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
5640
5641         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
5642         * lambda-code.c (perfect_nestify): Mark virtual operands in
5643         the moved statement for renaming.
5644         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
5645         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
5646         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
5647         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
5648         * tree-flow.h (struct var_ann_d): Update comments.
5649         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
5650         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
5651         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
5652         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
5653         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
5654         debug_names_replaced_by): Remove declarations.
5655         (delete_update_ssa, get_current_def, set_current_def): Declare.
5656         (rewrite_into_loop_closed_ssa): Add new argument.  Update
5657         all callers.
5658         * tree-into-ssa.c: Include params.h.
5659         (old_virtual_ssa_names): Remove.  Update all users.
5660         (need_to_replace_names_p): Remove.  Update all users.
5661         (struct update_ssa_stats_d): Declare.
5662         (update_ssa_stats): New local.
5663         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
5664         dump_tree_ssa_stats, debug_tree_ssa_stats,
5665         dump_update_ssa, debug_update_ssa,
5666         dump_names_replaced_by, debug_names_replaced_by): Declare.
5667         (get_current_def, set current_def): Make extern.
5668         (is_old_name, is_new_name): Protect against references
5669         past the end of the sets.
5670         (add_new_name_mapping): Assert that OLD and NEW are
5671         different SSA names for the same symbol.
5672         When adding a virtual mapping, update stats for virtual
5673         mapping heuristic.
5674         (insert_phi_nodes_for): If UPDATE_P is true, create the
5675         LHS of the new PHI by duplicating SSA name VAR.
5676         (insert_phi_nodes_1): Remove.  Update all users.
5677         (insert_phi_nodes): Remove second argument.  Update all
5678         users.
5679         (maybe_replace_use, maybe_replace_def): New.
5680         (rewrite_update_stmt): Call them.
5681         (mark_def_interesting): Remove calls to is_gimple_reg.
5682         (prepare_phi_args_for_update): Remove.  Update all users.
5683         (prepare_block_for_update): Only process virtual operands
5684         and GIMPLE registers in normal form.
5685         (prepare_use_sites_for): New.
5686         (prepare_names_to_update): Rename from prepare_def_sites.
5687         Call prepare_use_sites_for.
5688         (dump_update_ssa): Rename from dump_repl_tbl.
5689         Update all users.
5690         Show statistics for virtual mapping heuristic.
5691         (debug_update_ssa): Rename from debug_debug_repl_tbl.
5692         (init_update_ssa): Initialize UPDATE_SSA_STATS.
5693         (delete_update_ssa): Make extern.
5694         (mark_set_for_renaming): If the set is empty, do nothing.
5695         (release_ssa_name_after_update_ssa): Update comment.
5696         (insert_updated_phi_nodes_for): Do not remove existing
5697         PHI nodes for symbols.
5698         (switch_virtuals_to_full_rewrite_p): New.
5699         (switch_virtuals_to_full_rewrite): New.
5700         (update_ssa): Call them.
5701         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
5702         for every statement before updating.
5703         If all the names in NEW_SSA_NAMES have been marked for
5704         removal, do nothing.
5705         Only start at the top of the CFG if there are symbols in
5706         SYMS_TO_RENAME.
5707         (ssa_rewrite_finalize_block): Remove.
5708         (ssa_register_new_def): Remove.
5709         (ssa_rewrite_stmt): Remove.
5710         (ssa_rewrite_phi_arguments): Remove.
5711         (ssa_rewrite_initialize_block): Remove.
5712         (ssa_mark_def_sites): Remove.
5713         (ssa_mark_def_sites_initialize_block): Remove.
5714         (ssa_mark_phi_uses): Remove.
5715         (rewrite_ssa_into_ssa): Remove.
5716         * tree-phinodes.c (find_phi_node_for): Remove.
5717         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5718         Call update_ssa.
5719         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
5720         Remove calls to verify_dominators and
5721         verify_loop_structure.
5722         (tree_unswitch_single_loop): Call update_ssa.
5723         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
5724         returns false.
5725         Call verify_stmts.
5726         (delete_tree_ssa): Assert that need_ssa_update_p returns
5727         false.
5728         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
5729         * tree-vectorizer.c (allocate_new_names, rename_def_op,
5730         free_new_names): Remove.  Update all users.
5731         (rename_use_op): Call get_current_def.
5732         (rename_variables_in_bb): Do not handle any real or
5733         virtual definition.
5734         (slpeel_update_phis_for_duplicate_loop): Call
5735         get_current_def and set_current_def instead of using
5736         SSA_NAME_AUX.
5737         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
5738         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
5739         ssa_names_to_replace and delete_update_ssa.
5740         * doc/invoke.texi: Document --param min-virtual-mappings
5741         and --param virtual-mappings-ratio.
5742
5743 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
5744
5745         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
5746         for newly created PHI nodes.
5747         Call create_new_def_for for every new V_MAY_DEF and
5748         V_MUST_DEF on the copied statement.
5749         (struct ssa_name_map_entry): Remove.
5750         (ssa_name_map_entry_hash): Remove.
5751         (ssa_name_map_entry_eq): Remove.
5752         (allocate_ssa_names): Remove.
5753         (rewrite_to_new_ssa_names_def): Remove.
5754         (rewrite_to_new_ssa_names_use): Remove.
5755         (rewrite_to_new_ssa_names_bb): Remove.
5756         (rewrite_to_new_ssa_names): Remove.
5757         (tree_duplicate_sese_region): Remove variables ver,
5758         definitions, phi, ssa_name_map and bi.
5759         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
5760         Call update_ssa.
5761         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
5762         update_ssa instead of rewrite_ssa_into_ssa.
5763         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
5764         create_new_def_for.
5765         (find_uses_to_rename_use): Add argument 'need_phis'.
5766         (find_uses_to_rename_stmt): Do not scan virtual operands.
5767         (find_uses_to_rename): Only scan PHI nodes for
5768         non-virtual names.
5769         (rewrite_into_loop_closed_ssa): Call update_ssa.
5770         (check_loop_closed_ssa_use): Ignore virtual operands.
5771         (check_loop_closed_ssa_stmt): Likewise.
5772         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
5773         NULL.
5774         (rename_variables, set_phi_def_stmts): Remove.
5775         (tree_duplicate_loop_to_header_edge): Reformat comment.
5776         Remove variables BB, I and DEFINITIONS.
5777         Call need_ssa_update_p.
5778         Call update_ssa.
5779         (lv_adjust_loop_header_phi): Reformat comment.
5780         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
5781         (marked_for_rewrite_p, any_marked_for_rewrite_p,
5782         mark_for_rewrite, unmark_all_for_rewrite,
5783         marked_ssa_names): Remove.  Update all users.
5784         (release_ssa_name): If VAR has been registered for SSA
5785         updating, do nothing.
5786         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
5787         (build_assert_expr_for): Call register_new_name_mapping.
5788         (insert_range_assertions): Update call to update_ssa.
5789         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
5790         marked_for_rewrite_p, any_marked_for_rewrite_p,
5791         marked_ssa_names): Remove.
5792
5793 2005-04-22  Jeff Law  <law@redhat.com>
5794
5795         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
5796         (restore_currdefs_to_original_value): Likewise.
5797         (register_definitions_for_stmt): Likewise.
5798         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
5799         for each variable.  Do not allocate/free block_defs_stack either.
5800         Do not iterate if we just thread jumps.  Only iterate if the
5801         tree_cleanup_cfg does useful work (temporary).
5802         (dom_opt_initialize_block): No longer push a marker on
5803         BLOCK_DEFS_STACK.
5804         (dom_opt_finalize_block): Removal call to restore currdefs.
5805         Relax restrictions for recording edge equivalences.
5806         (record_equivalences_from_phis): No longer need to track
5807         CURRENT_DEF.
5808         (optimize_stmt): Similarly.
5809         (thread_across_edge): Simplify by removing the requirement that
5810         statements in the block we are threading through must be nops.
5811         (initialize_hash_element): Handle GOTO_EXPR.
5812
5813 2005-04-22  David S. Miller  <davem@davemloft.net>
5814
5815         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
5816         CONST_DOUBLE_HIGH.
5817         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
5818         fix check on CONST_DOUBLE mode.  It should be VOIDmode
5819         when it is representing an integer.
5820
5821 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5822
5823         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
5824         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
5825         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
5826         find_char_info_specifier_index,
5827         find_length_info_modifier_index): Likewise.
5828         * c-typeck.c (composite_type, pop_init_level): Likewise.
5829         * combine.c (cant_combine_insn_p, try_combine): Likewise.
5830         * cse.c (cse_insn): Likewise
5831         * dominance.c (calc_dfs_tree): Likewise
5832         dwarf2out.c (loc_descriptor_from_tree_1,
5833         add_abstract_origin_attribute, force_decl_die,
5834         force_type_die): Likewise
5835         emit-rtl.c (operand_subword_force): Likewise
5836         explow.c (hard_function_value): Likewise
5837         expmed.c (store_bit_field, expand_divmod,
5838         emit_store_flag_force): Likewise
5839         expr.c (emit_move_multi_word, store_expr,
5840         expand_expr_real_1): Likewise
5841         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
5842         output_operand): Likewise
5843         flow.c (recompute_reg_usage): Likewise
5844         * function.c (assign_stack_temp_for_type, assign_temp,
5845         handle_epilogue_set): Likewise
5846         * genextract.c (main): Likewise
5847         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
5848         gimplify_modify_expr_rhs, gimplify_expr): Likewise
5849         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
5850         ready_remove, rm_line_notes, rm_other_notes,
5851         schedule_block): Likewise
5852         mips-tfile.c (copy_object, out_of_bounds): Likewise
5853
5854 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
5855
5856         PR target/20813
5857         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
5858         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
5859         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
5860         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
5861         TARGET_XL_COMPAT.
5862         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
5863
5864 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5865
5866         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
5867         (gcc_tree_to_linear_expression): Convert to heap allocated
5868         vectors.
5869         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5870         lbv_to_gcc_expression, lle_to_gcc_expression,
5871         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5872         perfect_nestify): Likewise.
5873         lambda.h (gcc_loopnest_to_lambda_loopnest,
5874         lambda_loopnest_to_gcc_loopnest): Likewise.
5875         tree-loop-linear.c (linear_transform_loops): Likewise.
5876
5877 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
5878
5879         * config/sparc/predicates.md (arith_double_operand): Use
5880         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
5881         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
5882         (DImode, DFmode constant splitters): Likewise.  Remove code for
5883         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
5884         (logical constant splitters): Use const_int_operand predicate.
5885         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
5886         HOST_BITS_PER_WIDE_INT < 64.
5887
5888 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5889
5890         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
5891         gcc_unreachable as appropriate.
5892         (force_mode, emit_move_sequence, singlemove_string,
5893         output_move_double, output_fp_move_double, find_addr_reg,
5894         output_block_move, output_block_clear, output_and,
5895         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
5896         pa_adjust_cost, pa_issue_rate, print_operand,
5897         output_global_address, output_arg_descriptor, output_cbranch,
5898         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
5899         output_call): Likewise.
5900         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
5901         prefetch, prefetch_cc, prefetch_nocc): Likewise.
5902
5903 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
5904
5905         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
5906         _gcov_pow2_profiler and _gcov_one_value_profiler.
5907         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
5908         (GTFILES): Add $(srcdir)/tree-profile.c.
5909         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
5910         __gcov_one_value_profiler): Declare.
5911         * gimplify.c (force_gimple_operand): Check whether the statements
5912         should be produced in ssa form.
5913         (force_gimple_operand_bsi): New function.
5914         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
5915         __gcov_one_value_profiler): New functions.
5916         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
5917         the profiled value is a power of two or not.
5918         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
5919         * tree-flow.h (in_ssa_p): Declare.
5920         (force_gimple_operand_bsi): Declare.
5921         * tree-into-ssa.c (in_ssa_p): New variable.
5922         (rewrite_into_ssa): Set in_ssa_p.
5923         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
5924         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
5925         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
5926         tree_one_value_profiler_fn): New variables.
5927         (tree_init_edge_profiler): Initialize the profiler function decls.
5928         (tree_gen_edge_profiler): Use global gcov_type_node.
5929         (prepare_instrumented_value): New function.
5930         (tree_gen_interval_profiler, tree_gen_interval_profiler,
5931         tree_gen_one_value_profiler): Call the library functions instead of
5932         creating instrumentation code.
5933         * tree.c (build_fn_decl): New function.
5934         * tree.h (build_fn_decl): Declare.
5935         * value-prof.c (rtl_divmod_values_to_profile,
5936         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
5937         tree_mod_pow2_value_transform, tree_find_values_to_profile):
5938         Do not handle may_be_other and precise values of exponents at pow2
5939         profiler.
5940         (tree_mod_subtract_transform): Reflect that value field of
5941         histogram has changed meaning.
5942         (tree_divmod_values_to_profile): Record the values correctly.
5943         (tree_values_to_profile): Update comment.
5944         * value-prof.h (struct histogram_value_t): Remove pow2 data.
5945
5946 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
5947
5948         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
5949         (decl).
5950
5951 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5952
5953         * config/i386/i386.md (length_immediate): Use gcc_assert or
5954         gcc_unreachable, as appropriate.
5955         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
5956         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
5957         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
5958         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
5959         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
5960         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
5961         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
5962         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
5963         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
5964         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
5965         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
5966         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
5967         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
5968         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
5969         *prefetch_sse_rex): Likewise.
5970         * config/i386/predicates.md (x86_64_immediate_operand,
5971         x86_64_zext_immediate_operand, symbolic_operand,
5972         no_seg_address_operand, aligned_operand,
5973         memory_displacement_operand): Likewise.
5974         * config/i386/sse.md (*mov<mode>_internal,
5975         *movv2df_internal): Likewise.
5976
5977 2005-04-22  Jan Hubicka  <jh@suse.cz>
5978
5979         * Makefile.in (ipa.o, ipa-inline.o): New files.
5980         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
5981         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
5982         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
5983         * cgraphunit.c (cgraph_default_inline_p,
5984         cgraph_decide_inlining_incrementally,  ncalls_inlined,
5985         nfunctions_inlined, initial_insns, overall_insns,
5986         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
5987         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
5988         cgraph_mark_inline, cgraph_check_inline_limits,
5989         cgraph_default_inline_p, cgraph_recursive_inlining_p,
5990         update_callee_keys, lookup_recursive_calls,
5991         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
5992         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
5993         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
5994         pass_ipa_inline): Move to ipa-inline.c
5995         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
5996         * ipa.c: New file.
5997         * ipa-inline.c: New file.
5998
5999 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
6000
6001         * doc/invoke.texi (SPARC options): Document that -mapp-regs
6002         is turned off by default on Solaris.
6003
6004 2005-04-21  Roger Sayle  <roger@eyesopen.com>
6005
6006         * c-common.h (objc_build_method_signature): Update prototype.
6007         * stub-objc.c (objc_build_method_signature): Update the stub
6008         implementation to accept and ignore additional parameter.
6009         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
6010         the value of ellipsis to objc_build_method_signature instead
6011         of setting TREE_OVERFLOW on the parms TREE_LIST node.
6012
6013 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
6014
6015         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
6016         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
6017         gen_rtx_* not gen_rtx_fmt_*.
6018         (rs6000_emit_vector_select): Likewise.
6019         (rs6000_emit_sync): New.
6020         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
6021         (larx, stcx, cmp): New mode substitutions.
6022         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
6023         UNSPEC_ISYNC): New constants.
6024         (rlwinm): Give name.
6025         (memory_barrier, isync, lwsync): New insns.
6026         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
6027         (sync_lock_release<mode>): New expander.
6028         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
6029         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
6030         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
6031         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
6032         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
6033         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
6034         (sync_add<mode>_internal, sync_addshort_internal,
6035         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
6036         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
6037         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
6038
6039         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
6040         is the memory before, not after, the operation.  Clarify
6041         barrier requirements.
6042
6043 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6044
6045         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
6046         * lambda.h (lambda_vector_min_nz): Likewise.
6047         * langhooks.h (struct lang_hooks_for_types,
6048         struct lang_hooks): Likewise.
6049         * output.h (assemble_integer, this_is_asm_operands): Likewise.
6050         * tree.h: Likewise.
6051         * vec.h: Likewise.
6052         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
6053
6054         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
6055         comments to avoid 'abort'.  Use gcc_assert as necessary.
6056         * opts.c (common_handle_option): Likewise.
6057         * pretty-print.c (pp_base_format_text): Likewise.
6058         * print-rtl.c (print_rtx): Likewise.
6059         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
6060         * regmove.c (try_auto_increment): Likewise.
6061         * reload.c (find_valid_class, find_reloads_toplev,
6062         find_equiv_reg): Likewise.
6063         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
6064         merge_assigned_reloads): Likewise.
6065         * tree-inline.c (inline_forbidden_p_1,
6066         estimate_num_insns_1): Likewise.
6067         * tree-optimize.c (execute_todo): Likewise.
6068         * tree-outof-ssa.c (eliminate_phi): Likewise.
6069         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
6070         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
6071         * tree-ssa-operands.c (parse_ssa_operands,
6072         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
6073         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
6074         * tree-ssanames.c (release_ssa_name): Likewise.
6075         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
6076         walk_tree): Likewise.
6077
6078         * tree-ssa-operands.c (verify_abort): Fold into ..
6079         (verify_imm_links): ... here.
6080
6081 2005-04-21  Richard Henderson  <rth@redhat.com>
6082
6083         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
6084         on non-memory operand for previous inversion.
6085
6086 2005-04-21  Devang Patel  <dpatel@apple.com>
6087
6088         PR optimization/20994
6089         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
6090         x = !(a == b) : p , q;.
6091         (pass_if_conversion): Verify stmts and flow.
6092
6093 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6094
6095         * optabs.c (gen_conditional_trap): Restore #define.
6096
6097         * alias.c (true_dependence): Remove 'abort' from comments. Use
6098         gcc_assert and gcc_unreachable as appropriate.
6099         (canon_true_dependence): Likewise.
6100         * bb-reorder.c (connect_traces): Likewise.
6101         * c-common.c (c_add_case_label): Likewise.
6102         * c-decl.c (finish_function): Likewise.
6103         * caller-save.c (insert_restore, insert_save): Likewise.
6104         * cfg.c (update_bb_profile_for_threading): Likewise.
6105         * cfganal.c (flow_active_insn_p): Likewise.
6106         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6107         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
6108         cfg_layout_merge_blocks): Likewise.
6109         * ifcvt.c (cond_exec_process_insns, merge_if_block,
6110         find_if_block): Likewise.
6111         * integrate.c (allocate_initial_values): Likewise.
6112         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
6113         swap_condition, unsigned_condition, signed_condition,
6114         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
6115         reg_or_subregno): Likewise.
6116         * lambda-code.c (lambda_compute_auxillary_space,
6117         lambda_transform_legal_p): Likewise.
6118         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
6119         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
6120         lhd_incomplete_type_error, lhd_expand_expr,
6121         lhd_types_compatible_p, lhd_tree_size): Likewise.
6122         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
6123         * local-alloc.c (update_equiv_regs): Likewise.
6124         * loop-unroll.c (peel_loop_completely
6125         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
6126         peel_loop_simple, unroll_loop_stupid,
6127         analyze_iv_to_split_insn): Likewise.
6128         * loop.c (gen_prefetch, find_and_verify_loops,
6129         basic_induction_var): Likewise.
6130         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
6131         * value-prof.c (tree_find_values_to_profile): Likewise.
6132         * varasm.c (named_section, default_assemble_integer,
6133         decode_addr_const): Likewise.
6134
6135 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
6136            Fariborz Jahanian <fjahanian@apple.com>
6137
6138         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
6139         portion of argument passed in fpr.
6140         * expr.c (emit_push_insn): Fix computation of 'offset' used to
6141         decide on partial argument save on stack.
6142
6143 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
6144
6145         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
6146         comment typos.
6147
6148 2005-04-21  Jan Hubicka  <jh@suse.cz>
6149
6150         * cgraphunit.c: Include tree-pass.h
6151         (cgraph_decide_recursive_inlining,
6152         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
6153         cgraph_decide_inlining): Dump goes to dump_file.
6154         (cgraph_optimize): Call ipa passes instead of inliner.
6155         (cgraph_gate_inlining, pass_ipa_inline): New.
6156         * tree-optimize.c (all_ipa_passes): New static variable.
6157         (register_one_dump_file): Dead with IPA passes.
6158         (register_dump_files): Likewise.
6159         (init_tree_optimization_passes): Initialize IPA passes.
6160         (execute_todo): Do cgraph dump when asked to, do not dump function body
6161         for IPA pass.
6162         * tree-pass.h (TODO_dump_cgraph): New macro.
6163         (ipa_passes): Declare.
6164         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
6165
6166 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6167
6168         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
6169         gcc_assert instead of abort.
6170         (classify_argument, examine_argument, construct_container,
6171         contains_128bit_aligned_vector_p, ix86_check_movabs,
6172         standard_80387_constant_opcode, standard_80387_constant_rtx,
6173         ix86_initial_elimination_offset, ix86_compute_frame_layout,
6174         pro_epilogue_adjust_stack, ix86_expand_epilogue,
6175         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
6176         legitimize_tls_address, output_pic_addr_const,
6177         i386_output_dwarf_dtprel, put_condition_code, print_reg,
6178         get_some_local_dynamic_name, print_operand, print_operand_address,
6179         output_387_binary_op, emit_i387_cw_initialization,
6180         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
6181         ix86_expand_clear, ix86_expand_binary_operator,
6182         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
6183         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
6184         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
6185         ix86_expand_branch, ix86_expand_setcc,
6186         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
6187         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
6188         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
6189         memory_address_length, ix86_attr_length_immediate_default,
6190         ix86_attr_length_address_default, ix86_agi_dependant,
6191         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
6192         ix86_expand_binop_builtin, ix86_force_to_memory,
6193         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
6194         x86_emit_floatuns): Likewise.
6195         * config/i386/netware.c (gen_regparm_prefix,
6196         i386_nlm_strip_name_encoding): Likewise.
6197         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
6198
6199 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6200
6201         * optabs.c (gen_condiational_trap): Remove #define.
6202         (add_equal_note): Assertify. Remove explicit indirection from
6203         call via function pointer.
6204         (expand_ternary_op, expand_simple_binop, expand_binop,
6205         expand_twoval_unop, expand_twoval_binop,
6206         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
6207         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
6208         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
6209         prepare_float_lib_cmp, emit_conditional_move,
6210         emit_conditional_add, gen_add2_insn, gen_add3_insn,
6211         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
6212         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
6213         vector_compare_rtx, expand_vec_cond_expr): Likewise.
6214
6215 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
6216
6217         * vec.h: Update API to separate allocation mechanism from type.
6218         (VEC_safe_grow): New.
6219         * vec.c (calculate_allocation): New.
6220         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
6221         (vec_gc_free, vec_heap_free): Remove.
6222         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
6223         (VEC): Likewise.
6224         (mangle_macro_name): New.
6225         (struct macro_def): New.
6226         (struct macro): Add multiple argument values.
6227         (macro_expans_end): New.
6228         (push_macro_expansion):  Chain on new macro. Process multiple
6229         args, create follow on expansion. Return follow on argument.
6230         (macro_input): Deal with multiple arguments.
6231
6232         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
6233         (struct tree_binfo): Adjust.
6234         * basic-block.h: Define VEC(edge,gc).
6235         (struct edge_def): Adjust.
6236         (struct basic_block_def, struct edge_iterator): Likewise.
6237         (ei_container, ei_start_1, ei_last_1): Likewise.
6238         * cfg.c (connect_src, connect_dest): Likewise.
6239         * cfgrtl.c (force_nonfallthru_and_redirect)
6240         * dbxout.c (dbxout_type)
6241         * dwarf2out.c (gen_member_die)
6242         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
6243         (gcc_tree_to_linear_expression): Adjust.
6244         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
6245         lbv_to_gcc_expression, lle_to_gcc_expression,
6246         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
6247         perfect_nestify): Likewise.
6248         * lambda.h (gcc_loopnest_to_lambda_loopnest,
6249         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
6250         * profile.c (instrument_values): Adjust.
6251         * tree-cfg.c (modified_noreturn_calls): Adjust.
6252         (remove_fallthru_edge): Likewise.
6253         * tree-dump.c (dequeue_and_dump): Adjust.
6254         * tree-flow-inline.h (mark_stmt_modified): Adjust.
6255         * tree-flow.h (modified_noreturn_calls): Adjust.
6256         (tree_on_heap): Remove. (yay!)
6257         (register_new_def): Adjust.
6258         * tree-into-ssa.c: Define VEC(int,heap).
6259         (block_defs_stack): Adjust.
6260         (find_idf, insert_phi_nodes, register_new_def,
6261         rewrite_initialize_block, rewrite_finalize_block,
6262         register_new_update_single, rewrite_update_init_block,
6263         rewrite_update_fini_block, rewrite_blocks,
6264         ssa_rewrite_finalize_block, ssa_register_new_def,
6265         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
6266         * tree-loop-linear.c (linear_transform_loops): Adjust.
6267         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
6268         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
6269         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
6270         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
6271         vrp_variables_stack): Adjust declarations.
6272         (tree_ssa_dominator_optimize): Adjust.
6273         (dom_opt_initialize_block, remove_local_expressions_from_table,
6274         restore_nonzero_vars_to_original_value,
6275         restore_vars_to_original_value,
6276         restore_currdefs_to_original_value, dom_opt_finalize_block,
6277         record_var_is_nonzero, record_cond, record_const_or_copy_1,
6278         optimize_stmt, update_rhs_and_lookup_avail_expr,
6279         lookup_avail_expr, record_range): Likewise.
6280         * tree-ssa-pre.c: Define VEC(basic_block,heap).
6281         (compute_antic_aux): Adjust.
6282         (inserted_exprs, create_expression_by_pieces,
6283         insert_into_preds_of_block, eliminate, mark_operand_necessary,
6284         remove_dead_inserted_code, fini_pre): Likewise.
6285         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
6286         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
6287         ssa_prop_init): Likewise.
6288         * tree-ssa.c: Define VEC(bitmap,heap).
6289         (verify_name_tags): Adjust.
6290         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
6291         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
6292         tree_divmod_values_to_profile, tree_find_values_to_profile,
6293         value_profile_transformations): Likewise.
6294         * value-prof.h: Define VEC(histogram_value,heap).
6295         * varasm.c: Remove alias_pair pointer typedef, define
6296         VEC(alias_pair,gc).
6297         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
6298
6299         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
6300         not a pointer to it.  Create an object vector.
6301         (extern_symbols): Turn into an object vector.
6302         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
6303
6304 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
6305
6306         PR/20742
6307         * Makefile.in (tree-chrec.o): Depend on params.h.
6308         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
6309         default value 20.
6310         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
6311         and fold build with fold_buildN.
6312         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
6313         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6314         (tree_contains_chrecs): Compute an estimation of the size of the
6315         given expression.
6316         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
6317         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
6318         * tree-scalar-evolution.c (simple_iv): Ditto.
6319         * doc/invoke.texi (scev-max-expr-size): Documented.
6320
6321 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
6322
6323         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
6324         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
6325         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
6326         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
6327         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
6328         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
6329         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
6330         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
6331         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
6332         (darwin_fix_and_continue_switch): Delete.
6333         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
6334         (SUBTARGET_SWITCHES): Delete.
6335         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
6336         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
6337         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
6338         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
6339         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
6340         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
6341         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
6342         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
6343         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
6344         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
6345         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
6346         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
6347         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
6348         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
6349         (TARGET_64BIT): Undef before redefining.
6350         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
6351         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
6352         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
6353         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
6354         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
6355         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
6356         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
6357         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
6358         (ix86_debug_arg_string, ix86_debug_addr_string)
6359         (ix86_align_loops_string, ix86_align_jumps_string)
6360         (ix86_align_funcs_string): Delete.
6361         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
6362         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
6363         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
6364         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
6365         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
6366         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
6367         (SUBTARGET_SWITCHES): Delete.
6368         * config/i386/i386.c (ix86_debug_arg_string): Delete.
6369         (ix86_debug_addr_string): Delete.
6370         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
6371         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
6372         (ix86_align_loops_string, ix86_align_jumps_string)
6373         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
6374         (ix86_align_funcs_string): Make static.
6375         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6376         (ix86_handle_option): New function.
6377         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
6378         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
6379         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
6380         of darwin_fix_and_continue_switch.
6381         (darwin_one_byte_bool): Delete.
6382         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
6383         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
6384         to darwin_one_byte_bool.
6385         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
6386         * config/i386/djgpp.opt, config/i386/i386.opt,
6387         * config/i386/sco5.opt: New files.
6388
6389 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6390
6391         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
6392         fp_zero_operand, fp_register_operand, intreg_operand,
6393         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
6394         call_operand, call_operand_address, tgd_symbolic_operand,
6395         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
6396         symbolic_operand, symbolic_memory_operand, label_ref_operand,
6397         sp64_medium_pic_operand, data_segment_operand,
6398         text_segment_operand, splittable_symbolic_memory_operand,
6399         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
6400         eq_or_neq, normal_comp_operator, noov_compare_op,
6401         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
6402         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
6403         const64_operand, const64_high_operand, arith11_operand,
6404         arith10_operand, arith_double_operand, arith_double_4096_operand,
6405         arith_double_add_operand, arith11_double_operand,
6406         arith10_double_operand, small_int, small_int_or_double,
6407         uns_small_int, uns_arith_operand, clobbered_register,
6408         input_operand, compare_operand): Delete.
6409         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
6410         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
6411         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
6412         (GEN_HIGHINT64, GEN_INT64): Delete.
6413         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
6414         gen_safe_XOR64): Adjust for above deletion.
6415         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
6416         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
6417         (legitimate_constant_p): Use const_zero_operand instead.
6418         (sparc_extra_constraint_check): Likewise.
6419         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
6420         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
6421         (PREDICATE_CODES): Delete.
6422         * config/sparc/sparc.md: Include predicates.md.
6423         (All patterns): Adjust for new predicate names.
6424         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
6425         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
6426         (movdi): Use general_operand predicate.
6427         (movdi_sp64_dbl): Delete.
6428         (movdi_const64_special): Add 'N' constraint.
6429         (movdicc): Use arith10_operand predicate.
6430         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
6431         (movdi_cc_reg_sp64): Use arith10_operand predicate.
6432         (movdi_cc_reg_sp64_trunc): Delete.
6433         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
6434         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
6435         (subdi3_sp32): Delete.
6436         (subdi3_insn_sp32): Change to define_insn_and_split.
6437         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
6438         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
6439         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
6440         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
6441         small_int_operand predicate.
6442         (divdi3, udivdi3): Use arith_operand predicate.
6443         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
6444         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
6445         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
6446         (xordi3_sp64_dbl): Delete.
6447         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
6448         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
6449         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
6450         cmp_ccx_set_not): Use arith_operand predicate.
6451         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
6452         * config/sparc/predicates.md: New file.
6453
6454 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
6455
6456         PR tree-optimization/14846
6457         * fold-const.c (fold_single_bit_test_into_sign_test): New,
6458         split out from ...
6459         (fold_single_bit_test): ... here.
6460         (fold_binary): Call fold_single_bit_test_into_sign_test
6461         instead of fold_single_bit_test.
6462
6463 2005-04-20  James E Wilson  <wilson@specifixinc.com>
6464
6465         PR c++/20805
6466         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
6467         is another declaration.
6468
6469 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
6470
6471         * config/cris/predicates.md: New file.
6472         * config/cris/cris-protos.h (cris_store_multiple_op_p)
6473         (cris_movem_load_rest_p): Declare.
6474         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
6475         (cris_movem_load_rest_p): Ditto.  Globalize.
6476         (cris_bdap_operand, cris_bdap_biap_operand,
6477         cris_orthogonal_operator, cris_commutative_orth_op,
6478         cris_operand_extend_operator,
6479         cris_additive_operand_extend_operator, cris_extend_operator,
6480         cris_plus_or_bound_operator, cris_mem_op,
6481         cris_general_operand_or_symbol,
6482         cris_general_operand_or_gotless_symbol,
6483         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
6484         cris_load_multiple_op): Remove predicate functions.
6485         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
6486         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
6487         * config/cris/cris.h (PREDICATE_CODES): Don't define.
6488         * config/cris/cris.md: Include predicates.md.
6489         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
6490
6491 2005-04-20  Ian Lance Taylor  <ian@airs.com>
6492
6493         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
6494         * c-common.h (STMT_EXPR_STMT): Don't define.
6495         (STMT_EXPR_NO_SCOPE): Don't define.
6496         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
6497         * c-pretty-print.c (pp_c_primary_expression): Likewise.
6498         (pp_c_expression): Likewise.
6499
6500 2005-04-20  Richard Henderson  <rth@redhat.com>
6501
6502         PR target/21100
6503         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
6504
6505 2005-04-20  Jeff Law  <law@redhat.com>
6506
6507         * reload1.c (reload): Ignore equivalences between pseudos and
6508         read only memory.
6509
6510 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
6511
6512         PR c/12913
6513         * c-tree.h (struct c_label_list): Update comment.
6514         (struct c_label_context): Rename to struct c_label_context_se.
6515         (label_context_stack): Rename to label_context_stack_se.
6516         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
6517         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
6518         c_end_vm_scope): New.
6519         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
6520         * c-decl.c (pop_scope): Call c_end_vm_scope.
6521         (pushdecl): Call c_begin_vm_scope for variably modified
6522         declarations.
6523         (define_label): Check for jumping into scope of identifier with
6524         variably modified type.  Push label on stack for those defined at
6525         current context of identifiers with variably modified type.
6526         (start_function): Create stack level for context of identifiers
6527         with variably modified type.
6528         (finish_function): Pop stack level for context of identifiers with
6529         variably modified type.
6530         * c-typeck.c (label_context_stack): Rename to
6531         label_context_stack_se.
6532         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
6533         (c_finish_goto_label): Check for jumping into scope of identifier
6534         with variably modified type.  Push label on stack for those jumped
6535         to from current context of identifiers with variably modified
6536         type.
6537         (struct c_switch): Add blocked_vm.
6538         (c_start_case): Initialize blocked_vm.
6539         (do_case): Check blocked_vm.
6540         (c_finish_case): Add comment.
6541         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
6542         variable label_context_stack.
6543
6544 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6545
6546         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
6547         conditional_replacement, value_replacement, abs_replacement,
6548         minmax_replacement.
6549         (replace_phi_edge_with_variable): Remove argument BB.
6550         (conditional_replacement, value_replacement,
6551         minmax_replacement, abs_replacement): Remove argument PHI_BB.
6552         Update a call to replace_phi_edge_with_variable.
6553
6554         * tree-ssa-phiopt.c: Fix comments.
6555
6556 2005-04-20  Michael Matz  <matz@suse.de>
6557
6558         PR20973
6559         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
6560         pseudos.
6561
6562 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6563
6564         * tree-ssa-phiopt.c: Fix comment typos.
6565
6566         PR tree-optimization/21116
6567         * tree-ssa-phiopt.c: Fix a typo.
6568
6569 2005-04-19  Richard Henderson  <rth@redhat.com>
6570
6571         * builtins.c (expand_builtin_sync_operation): Revert last change.
6572         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
6573         not vs new value.
6574         (expand_compare_and_swap_loop): Likewise.
6575         (expand_sync_operation): Remove fallback from NAND to AND; invert
6576         memory operand when expanding from cmpxchg.
6577         (expand_sync_fetch_operation): Likewise.
6578         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
6579         compare-and-swap.
6580
6581         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
6582         when implementing NAND.  Fix double-add for AFTER.
6583         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
6584         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6585         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
6586         memory value.
6587         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
6588         memory barrier.
6589
6590         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
6591         to return old memory value.
6592         (sync_compare_and_swap_cc<IMODE>): Likewise.
6593
6594         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
6595         return pre-reload.  Don't consider output or anti dependencies.
6596         * config/ia64/sync.md (IMODE): New.
6597         (modesuffix): Add QI and HI.
6598         (memory_barrier): Simplify expansion.
6599         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
6600         (cmpxchg_acq_<IMODE>): Likewise.
6601         (sync_lock_test_and_set<IMODE>): Likewise.
6602         (sync_lock_release<IMODE>): Likewise.
6603
6604 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
6605
6606         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
6607         ~X or ~Y simplify.
6608
6609 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
6610
6611         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
6612
6613 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
6614             Joseph S. Myers  <joseph@codesourcery.com>
6615
6616         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
6617         * c-typeck.c (build_c_cast): Check these options.
6618         * doc/invoke.texi: Document these options.
6619
6620 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6621
6622         * tree-ssa-phiopt.c: Update a comment about the pass.
6623
6624 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
6625
6626         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
6627         config/mcore/mcore.c: Fix comment typos.
6628
6629 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
6630
6631         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
6632         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
6633
6634 2005-04-19  Paul Brook  <paul@codesourcery.com>
6635
6636         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
6637
6638 2005-04-19  Andrew Haley  <aph@redhat.com>
6639
6640         PR java/21022
6641         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
6642         looking at a field's bitpos.
6643
6644 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6645
6646         * system.h (fopen, fdopen, freopen): Define these to the unlocked
6647         libiberty functions.
6648
6649 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
6650
6651         PR tree-optimization/21096
6652         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
6653
6654 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
6655
6656         PR target/21098
6657         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
6658         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
6659
6660 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
6661
6662         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
6663         refers to the function being dumped.
6664
6665 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
6666
6667         * varasm.c (assemble_start_function): Remove reset of in_section.
6668
6669 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6670
6671         PR tree-optimization/21085
6672         * fold-const (fold_binary): Don't change X % -C to X % C if C has
6673         overflowed.
6674
6675 2005-04-19  Ben Elliston  <bje@au.ibm.com>
6676
6677         * doc/invoke.texi (Optimize Options): Refer to the correct
6678         optimisation flag -ftree-dominator-opts, not -ftree-dom.
6679
6680 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
6681
6682         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
6683         alloca argument to be big enough.
6684
6685 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
6686
6687         PR middle-end/21049
6688         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
6689         cfun->cfg are NULL.
6690
6691 2005-04-18  Tom Tromey  <tromey@redhat.com>
6692
6693         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
6694         typo.
6695
6696 2005-04-18  Richard Henderson  <rth@redhat.com>
6697
6698         * config/alpha/alpha.c (alpha_split_atomic_op): New.
6699         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
6700         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
6701         * config/alpha/alpha-protos.h: Update.
6702         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
6703         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
6704         (attr type): Add ld_l, st_c, mb.
6705         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
6706         iornotsi3, xorsi_internal, xornotsi3): New.
6707         * config/alpha/ev4.md (ev4_ld): Add ld_l.
6708         (ev4_ist_c, ev4_mb): New.
6709         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
6710         (ev5_ld_l): New.
6711         * config/alpha/ev6.md (ev6_ild): Add ld_l.
6712         (ev6_ist): Add st_c.
6713         (ev6_mb): New.
6714         * config/alpha/sync.md: New file.
6715
6716 2005-04-18  Richard Henderson  <rth@redhat.com>
6717
6718         * builtins.c (expand_builtin_sync_operation): Fold nand to and
6719         for constants.
6720
6721         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
6722
6723 2005-04-18  Devang Patel  <dpatel@apple.com>
6724
6725         * config/rs6000/atlivec.md (mulv4si3): New pattern.
6726
6727 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6728
6729         PR tree-optimization/20922
6730         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
6731         Fold X + c >= X and fold X - c <= X to true.
6732
6733 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6734
6735         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
6736         unsigned int.
6737         (emergency_labeled_state_free): Likewise.
6738
6739 2005-04-18  Nick Clifton  <nickc@redhat.com>
6740
6741         * config/h8300/h8300.md (jump): Remove prescan parameter from
6742         calls to final_scan_insn.
6743
6744         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
6745         parameter from calls to final_scan_insn.
6746
6747         * config.gcc (m68hc12): Use the m68hc11.opt file for target
6748         specific options.
6749         (v850e, v850e1): Use the v850.opt file for target specific
6750         options.
6751
6752 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
6753
6754         PR tree-optimization/21001
6755         * tree-optimize.c (init_tree_optimization_passes): Move the
6756         first pass_forwprop immediately before pass_vrp.
6757
6758 2005-04-17  Ian Lance Taylor  <ian@airs.com>
6759
6760         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
6761         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
6762         from enum tree_code op to bool is_sizeof.
6763         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
6764         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
6765         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
6766         case.
6767         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
6768         cases.
6769         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
6770         ALIGNOF_EXPR cases.
6771
6772 2005-04-17  Ian Lance Taylor  <ian@airs.com>
6773
6774         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
6775
6776 2005-04-17  Richard Henderson  <rth@redhat.com>
6777
6778         * config/alpha/alpha.c (va_list_skip_additions): Only define if
6779         TARGET_ABI_OSF.
6780         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
6781         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
6782         of indirection through ssa names while looking for the gpr counter
6783         field.
6784         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
6785         saved va_list_gpr_size and va_list_fpr_size.
6786
6787 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6788
6789         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
6790         both pointers or both integers.
6791
6792         * tree-vrp.c (maybe_add_assert_expr): Don't assert
6793         ASSERT_EXPRs for single-use variable.
6794
6795         * tree-into-ssa.c: Fix a comment typo.
6796
6797 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
6798
6799         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
6800         -mipsN before forcing a default of -mips2.
6801
6802 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6803
6804         * predict.h (IS_TAKEN): Remove.
6805         * rtl.h (NOTE_PREDICTION): Likewise.
6806
6807         * modulo-sched.c (CFG_HOOKS): Remove.
6808
6809         * c-parser.c (N_C_TTYPES): Remove.
6810
6811         * tree-flow-inline.h (get_stmt_operands): Remove.
6812         * lambda-code.c, tree-ssa-loop-unswitch.c,
6813         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
6814         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
6815         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
6816         calls to get_stmt_operands.
6817         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
6818
6819 2005-04-17  Richard Henderson  <rth@redhat.com>
6820
6821         PR target/20375
6822         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
6823         of CUMULATIVE_ARGS past the last named argument.
6824         (alpha_va_start): Expect pretend_args_size only if strictly less than
6825         6 named arguments.
6826
6827 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6828
6829         PR middle-end/21024
6830         * builtins.c (expand_builtin_strcat): Convert the result of
6831         strlen to the right type.
6832         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
6833         avoid creating type mismatches.
6834         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
6835         type mismatches.
6836
6837         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
6838
6839 2005-04-16  Richard Henderson  <rth@redhat.com>
6840
6841         PR target/21051
6842         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
6843         Use the mode of boolean_type_node when the user doesn't provide one.
6844         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
6845
6846 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
6847
6848         PR target/20126
6849         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
6850         (const)).
6851
6852         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
6853         comment.
6854
6855 2005-04-16  Roger Sayle  <roger@eyesopen.com>
6856             Steven Bosscher  <stevenb@suse.de>
6857
6858         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
6859         (fold_unary_to_constant): Likewise.
6860
6861 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
6862
6863         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
6864         PROP_ASM_SCAN.
6865
6866 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
6867
6868         * doc/install.texi (Specific): Avoid using asterisks in @anchor
6869         names related to target triplets.
6870         Remove i?86-*-esix from platform directory.
6871         Remove powerpc-*-eabiaix from platform directory.
6872
6873 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
6874
6875         PR middle-end/20491
6876         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
6877         falling through from SUBREG case to REG.
6878
6879 2005-04-15  Roger Sayle  <roger@eyesopen.com>
6880
6881         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
6882         (fold_binary): Update comment mentioning fold_relational_hi_lo.
6883         (fold_binary_to_constant): Simplify using fold_binary.
6884         (fold_unary_to_constant): Likewise, simplify using fold_unary.
6885
6886 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6887
6888         * gthr-posix.c (pthread_cancel): Define.
6889         (pthread_mutexattr_init): Likewise.
6890         (pthread_mutexattr_settype): Likewise.
6891         (pthread_mutexattr_destroy): Likewise.
6892
6893 2005-04-15  David S. Miller  <davem@davemloft.net>
6894
6895         PR target/20673
6896         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
6897
6898 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6899
6900         PR tree-optimization/21031
6901         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
6902         (forward_propagate_into_cond_1): Call it.  Forward propagate
6903         integer-integer casts into COND_EXPRs.
6904
6905 2005-04-15  Dave Korn  <dave.korn@artimi.com>
6906
6907         * gcc.c (default_compilers): Clarify obscure error message when
6908         reading from standard input.
6909
6910 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6911
6912         * basic-block.h (PROP_EQUAL_NOTES): Remove.
6913         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
6914
6915         * tree-ssa-alias.c (init_alias_info): Remove a call to
6916         get_stmt_operands.
6917
6918 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
6919
6920         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
6921         of non-virtual PHI nodes like we use to.
6922
6923 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
6924
6925         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
6926         (attr_copy_rtx): Do not use it.
6927
6928 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
6929
6930         * doc/tree-ssa.texi: Grammer/abbreviation updates.
6931
6932 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
6933
6934         * tree-vect-transform.c (vectorizable_store): Mark necessary
6935         objects in the vectorized store needing renaming.  Update the
6936         SSA graph for V_MAY_DEF operands in the original store.
6937
6938 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
6939
6940         * tree-ssa-pre.c (compute_avail): It's okay to have
6941         TREE_INVARIANT's here, and value number the resulting expressions.
6942         (create_expression_by_pieces): Make sure operands that were
6943         min_invariant when we started, stay that way.
6944
6945 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
6946
6947         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
6948
6949 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6950
6951         PR tree-optimization/20936.
6952         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
6953
6954 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6955
6956         * doc/invoke.texi: Fix typos.
6957         * doc/md.texi: Likewise.
6958         * doc/rtl.texi: Likewise.
6959         * doc/sourcebuild.texi: Likewise.
6960         * doc/tm.texi: Likewise.
6961
6962 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
6963
6964         PR tree-optimization/21004
6965         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
6966         and floorl in c99 mode only.
6967         * builtins.c (expand_builtin_int_roundingfn): Assert that
6968         fallback_fndecl is not NULL_TREE.
6969
6970 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6971
6972         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
6973         * basic-block.h: Update the prototype for
6974         purge_all_dead_edges.
6975         * cfgexpand.c (tree_expand_cfg): Update a call to
6976         purge_all_dead_edges.
6977         * combine.c (combine_instructions): Likewise.
6978         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
6979         rest_of_handle_cse2, rest_of_handle_gcse,
6980         rest_of_handle_postreload): likewise.
6981
6982 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
6983
6984         PR middle-end/20739
6985         * gimplify.c (gimplify_addr_expr): Compensate for removal of
6986         e.g. cv-qualification conversions.
6987
6988 2005-04-14  Mike Stump  <mrs@apple.com>
6989
6990         * config/darwin-c.c (framework_construct_pathname): We must
6991         find all headers of a framework in the first instance of it
6992         found in the seach path.
6993
6994 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
6995
6996         PR tree-optimization/21021
6997         * tree-vrp.c (compare_values): Work around a bug in the front
6998         end that produces a comparison of mismatched types.
6999
7000 2004-04-14  Richard Henderson  <rth@redhat.com>
7001
7002         * config/ia64/ia64.h (enum fetchop_code): Remove.
7003         (enum ia64_builtins): Move ...
7004         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
7005         members except BSP and FLUSHRS.
7006         (ia64_init_builtins): Remove __sync builtins.
7007         (ia64_expand_builtin): Likewise.
7008         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
7009         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
7010         (ia64_expand_lock_release): Remove.
7011         * config/ia64/ia64.md (mf): Move to sync.md.
7012         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
7013         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
7014         * config/ia64/sync.md: New file.
7015         (memory_barrier): Rename from mf.
7016         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
7017         (cmpxchg_acq_<I48MODE>): Likewise.
7018         (sync_lock_test_and_set<I48MODE>): Likewise.
7019
7020         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
7021         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
7022
7023 2004-04-14  Richard Henderson  <rth@redhat.com>
7024
7025         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
7026         (ix86_compare_emitted): New.
7027         (ix86_expand_compare): Use ix86_compare_emitted if set.
7028         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
7029         and ix86_compare_op0 are set.
7030         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
7031         (TARGET_CMPXCHG, TARGET_XADD): New.
7032         (ix86_compare_emitted): Declare.
7033         * config/i386/i386.md: Include sync.md
7034         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
7035         (UNSPECV_XCHG, UNSPECV_LOCK): New.
7036         * config/i386/sync.md: New file.
7037
7038 2004-04-14  Richard Henderson  <rth@redhat.com>
7039
7040         PR middle-end/14311
7041         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
7042         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
7043         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
7044         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
7045         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
7046         BT_FN_I8_VPTR_I8_I8): New.
7047         * builtins.def (DEF_SYNC_BUILTIN): New.
7048         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
7049         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
7050         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
7051         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
7052         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
7053         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
7054         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
7055         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
7056         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
7057         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
7058         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
7059         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
7060         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
7061         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
7062         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
7063         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
7064         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
7065         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
7066         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
7067         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
7068         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
7069         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
7070         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
7071         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
7072         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
7073         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
7074         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
7075         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
7076         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
7077         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
7078         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
7079         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
7080         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
7081         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
7082         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
7083         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
7084         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
7085         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
7086         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
7087         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
7088         BUILT_IN_SYNCHRONIZE: New.
7089         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
7090         as a function.  Accept __sync_ as a prefix as well.
7091         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7092         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
7093         expand_builtin_lock_release): New.
7094         (expand_builtin): Call them.
7095         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
7096         neither BOTH_P nor FALLBACK_P are defined.
7097         (builtin_type_for_size): New.
7098         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
7099         (resolve_overloaded_builtin): New.
7100         * c-common.h (resolve_overloaded_builtin): Declare.
7101         (builtin_type_for_size): Declare.
7102         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
7103         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
7104         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
7105         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
7106         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
7107         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
7108         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
7109         sync_compare_and_swap_cc, sync_lock_test_and_set,
7110         sync_lock_release): New.
7111         * optabs.h: Declare them.
7112         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
7113         expand_sync_operation, expand_sync_fetch_operation,
7114         expand_sync_lock_test_and_set): Declare.
7115         * genopinit.c (optabs): Add sync optabs.
7116         * optabs.c (init_optabs): Initialize sync optabs.
7117         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
7118         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
7119         expand_sync_operation, expand_sync_fetch_operation,
7120         expand_sync_lock_test_and_set): New.
7121         * doc/extend.texi (Atomic Builtins): New section
7122         * doc/md.texi (Standard Names): Add sync patterns.
7123
7124 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
7125
7126         * tree-eh.c (lower_try_finally_copy): Generate new code in
7127         response to goto_queue entries as if the queue was sorted by
7128         index, not pointers.
7129         (lower_try_finally_switch): Likewise.
7130
7131 2005-04-14  Richard Henderson  <rth@redhat.com>
7132
7133         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
7134         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
7135         register.
7136         (ix86_expand_fp_movcc): Update to match.
7137         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
7138         * config/i386/i386-protos.h: Update.
7139         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
7140         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
7141
7142 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
7143
7144         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
7145         refer to 4.0.
7146
7147 2005-04-14  Julian Brown  <julian@codesourcery.com>
7148
7149         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
7150         link failures on ppc64 Linux.
7151
7152 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
7153
7154         * config.gcc: Set cpu_type for s390.
7155
7156 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
7157
7158         Fix PR tree-optimization/20963
7159         * tree-ssa-pre.c (compute_avail): Remove special case for
7160         TREE_INVARIANT.
7161         (create_expression_by_pieces): Add value numbers for forced out
7162         statements.
7163
7164 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
7165
7166         * config/cris/cris.md: Replace references to (reg:SI 16) with
7167         (reg:SI CRIS_SRP_REGNUM).
7168
7169 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
7170
7171         PR tree-optimization/20657
7172         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
7173         create an appropriate range from it.
7174
7175 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
7176
7177         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
7178         <UNSPEC_FIST_CEIL> case.
7179
7180         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
7181         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
7182         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
7183         to implement lfloor and llfloor built-ins as x87 intrinsic function.
7184         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
7185         (lfloor<mode>2): New expanders.
7186         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
7187         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
7188         to implement lceil and llceil built-ins as x87 intrinsic function.
7189         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
7190         (lceil<mode>2): New expanders.
7191
7192 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
7193
7194         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
7195         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
7196
7197 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
7198
7199         PR target/20927
7200         * config/s390/s390-modes.def: Define TFmode.
7201
7202 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
7203
7204         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
7205         (JUMP_TABLES_IN_TEXT_SECTION): Define.
7206         * config/mips/mips.c (mips16_insn_length): Remove reference to
7207         JUMP_TABLES_IN_TEXT_SECTION.
7208
7209 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
7210
7211         * simplify-rtx.c (simplify_binary_operation_1): Return
7212         scalar or vector of constant 0, depending on the xor's
7213         mode.
7214
7215 2005-04-13  Dale Johannesen  <dalej@apple.com>
7216
7217         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
7218         (objc-act.o):  Ditto.
7219         * objc/objc-act.c (objc_gimplify_expr):  New.
7220         (objc_get_callee_fndecl):  New.
7221         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
7222         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
7223         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
7224
7225 2005-04-13  Devang Patel  <dpatel@apple.com>
7226
7227         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
7228         temp variables.
7229
7230 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
7231
7232         CRIS prologue as RTL.
7233         * config/cris/cris-protos.h (cris_emit_movem_store)
7234         (cris_expand_prologue): Prototype.
7235         * config/cris/cris.c (struct machine_function): New member
7236         stdarg_regs.
7237         (cfa_label_num, cris_target_asm_function_prologue): Remove.
7238         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
7239         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
7240         (cris_load_multiple_op, cris_return_address_on_stack)
7241         (cris_return_address_on_stack_for_return): ISO-Cify.
7242         (cris_store_multiple_op): New predicate function.
7243         (cris_expand_prologue, cris_emit_movem_store): New functions.
7244         (cris_print_operand) <case 'O'>: Handle modifications other than
7245         post-increment.
7246         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
7247         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
7248         (cris_gen_movem_load): Rearrange slightly to make local variable
7249         src a parameter, removing osrc.
7250         (cris_setup_incoming_varargs): Set machine_function member
7251         stdarg_regs to correspond to the number of registers that need to
7252         be saved.
7253         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
7254         CRIS_UNSPEC_GOT.
7255         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
7256         cris_general_operand_or_gotless_symbol accept UNSPEC.
7257         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
7258         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
7259         ("*cris_store_multiple"): New pattern.  Tweak common comment above
7260         this and "*cris_load_multiple".
7261         ("prologue"): New define_expand.
7262
7263         * config/cris/cris.md ("epilogue"): Conditionalize on
7264         TARGET_PROLOGUE_EPILOGUE.
7265
7266 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
7267
7268         PR target/20924
7269         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
7270         fpsr 0 instead of fpsr 1.
7271         (divsf3_internal_thr): Ditto.
7272         (divdf3_internal_lat): Ditto.
7273         (divdf3_internal_thr): Ditto.
7274         (divxf3_internal_lat): Ditto.
7275         (divxf3_internal_thr): Ditto.
7276
7277 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
7278
7279         PR tree-optimization/20913
7280         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
7281
7282         PR tree-optimization/20702
7283         * tree-vrp.c (maybe_add_assert_expr): Recurse into
7284         dominator children that haven't been walked into.
7285
7286 2005-04-13  Julian Brown  <julian@codesourcery.com>
7287
7288         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
7289         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
7290         is true.
7291
7292 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
7293
7294         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
7295         config/i386/sse.md: Fix comment typos.
7296
7297         * genattrtab.c (NULL_ATTR): Remove.
7298         * ifcvt.c (NULL_EDGE): Likewise.
7299
7300         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
7301
7302         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
7303         NOTE_PREDICT): Remove.
7304
7305 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7306
7307         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
7308         * configure: Regenerate.
7309         * config.in: Likewise.
7310         * system.h: Declare vsnprintf if not already declared.
7311
7312 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7313
7314         * optc-gen.awk: Handle stand-alone Mask records.
7315         * opth-gen.awk: Likewise.
7316         * doc/options.texi (Option file format): Document them.
7317         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
7318         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
7319         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
7320         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
7321         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
7322         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
7323         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
7324         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
7325         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
7326         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
7327         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
7328         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
7329         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
7330         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
7331         TARGET_LONG_DOUBLE_128): Likewise.
7332         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
7333         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
7334         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
7335         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
7336         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
7337         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
7338         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
7339         * config/sparc/sparc.c (fpu_option_set): New global.
7340         (sparc_handle_option): New function.
7341         (sparc_override_options): Test fpu_option_set.
7342         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
7343         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
7344         * config/sparc/sparc.opt: New file.
7345         * config/sparc/little-endian.opt: Likewise.
7346         * config/sparc/long-double-switch.opt: Likewise.
7347
7348 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
7349
7350         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
7351         (bfin_handle_options): Set it if -mshared-library-id= is seen.
7352         * config/bfin/bfin.opt (mshared-library-id=): Lose
7353         Var(bfin_lib_id_given).
7354
7355 2005-04-13  Matt Thomas  <matt@3am-software.com>
7356
7357         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
7358         defining.
7359
7360 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
7361
7362         * rtl.h (CLEAR_RTX_FLAGS): Remove.
7363
7364         * cgraphunit.c (INSNS_PER_CALL): Remove.
7365
7366         * tree-ssa-forwprop.c (vars,
7367         record_single_argument_cond_exprs,
7368         substitute_single_use_vars): Remove.
7369         (forward_propagate_into_cond_1, forward_propagate_into_cond):
7370         New.
7371         (tree_ssa_forward_propagate_single_use_vars): Call
7372         forward_propagate_into_cond for each COND_EXPR.
7373
7374         * tree-inline.c (INSNS_PER_STMT): Remove.
7375
7376 2005-04-12  Richard Henderson  <rth@redhat.com>
7377
7378         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
7379         (ix86_expand_sse_fp_minmax): ... from ...
7380         (ix86_expand_fp_movcc): ... here.
7381         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
7382         * config/i386/i386-protos.h: Update.
7383         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
7384         (sse_setccsf, sse_setccdf): Allow before reload.
7385         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
7386         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
7387         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
7388         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
7389         (anddf3, nanddf3, iordf3, xordf3): New.
7390
7391 2005-04-12  Jeff Law  <law@redhat.com>
7392
7393         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
7394         (tree-ssa-uncprop.o): Add dependencies.
7395         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
7396         * tree-flow.h (remove_useless_stmts): Remove prototype.
7397         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
7398         remove_useless_stmts.
7399         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
7400         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
7401         * tree-pass.h (pass_uncprop): Declare.
7402         * tree-ssa-uncprop.c: New file.
7403
7404 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
7405
7406         PR target/20670
7407         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
7408
7409 2005-04-12  Caroline Tice  <ctice@apple.com>
7410
7411         Temporary fix for partitioning problems.
7412         * passes.c (rest_of_handle_final): Remove code that
7413         frees unlikely_text_section_name,
7414         * varasm.c (assemble_start_function): Test for partitioning
7415         flag before writing out section labels.
7416         (assemble_end_function): Test for partitioning flag before
7417         writing out section labels.
7418
7419 2005-04-12  Steven Bosscher  <stevenb@suse.de>
7420             Stuart Hastings <stuart@apple.com>
7421             Jan Hubicka  <jh@suse.cz>
7422
7423         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
7424         references to gt-tree-cfg.h.
7425         * basic-block.h (struct basic_block_def): Don't skip rbi
7426         for garbage collection.
7427         (struct reorder_block_def): Make GTY-able.
7428         (struct control_flow_graph): New structure.
7429         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
7430         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
7431         but instead defines to the control_flow_graph for cfun.
7432         (label_to_block_map): New define, points to the label map of
7433         the control_flow_graph for cfun.
7434         (n_edges_for_function, n_basic_blocks_for_function,
7435         last_basic_block_for_function, basic_block_info_for_function,
7436         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
7437         basic_block_info_for_function, label_to_block_map_for_function):
7438         Counterparts for the above, taking a struct function as an extra
7439         argument.
7440         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
7441         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
7442         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
7443         (alloc_rbi_pool, free_rbi_pool): Remove.
7444         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
7445         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
7446         here...
7447         (cfg_layout_finalize) ... and don't free it here.
7448         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
7449         garbage collected.
7450         * flow.c (free_basic_block_vars): Set label_to_block_map and
7451         n_edges to zero too.
7452         * function.h (struct function): Add cfg field.
7453         * function.c (allocate_struct_function): Allocate the cfg.
7454         * tree-cfg.c (label_to_block_map): Remove.
7455         (build_tree_cfg): Don't allocate the rbi pool here...
7456         (delete_tree_cfg_annotations): ...and don't free it here.
7457         Also don't nullify label_to_block_map for cfun.
7458
7459 2005-04-12  Caroline Tice  <ctice@apple.com>
7460
7461         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7462         Revert my patch from April 9.
7463         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
7464         (reorder_basic_blocks): Revert my patch from April 9.
7465         (insert_section_boundary_note): Revert my patch from April 9.
7466         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
7467         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
7468         (COLD_END_LABEL):  Revert my patch from April 9.
7469         (cold_text_section_label):  Revert my patch from April 9.
7470         (cold_end_label): Revert my patch from April 9.
7471         (dwarf2out_switch_text_section): Revert my patch from April 9.
7472         (output_aranges): Revert my patch from April 9.
7473         (output_ranges):  Revert my patch from April 9.
7474         (output_line_info): Revert my patch from April 9.
7475         (add_location_or_const_value_attribute):  Revert my patch from April 9.
7476         (dwarf2out_var_location): Revert my patch from April 9.
7477         (dwarf2out_init):  Revert my patch from April 9.
7478         (dwarf2out_finish): Revert my patch from April 9.
7479         * function.h (struct function): Revert my patch from April 9.
7480         * opts.c (decode_options): Revert my patch from April 9.
7481         * output.h (unlikely_section_label, hot_section_label,
7482         hot_section_end_label, cold_section_end_label,
7483         unlikely_text_section_name): Revert my patch from April 9.
7484         * passes.c (rest_of_handle_final): Revert my patch from April 9.
7485         * varasm.c (unlikely_section_label, hot_section_label,
7486         hot_section_end_label, cold_section_end_label,
7487         unlikely_text_section_name): Revert my patch from April 9.
7488         (initialize_cold_section_name): Revert my patch from April 9.
7489         (unlikely_text_section): Revert my patch from April 9.
7490         (in_unlikely_text_section): Revert my patch from April 9.
7491         (named_section): Revert my patch from April 9.
7492         (function_section): Revert my patch from April 9.
7493         (current_function_section): Revert my patch from April 9.
7494         (assemble_start_function): Revert my patch from April 9.
7495         (assemble_end_function): Revert my patch from April 9.
7496         (default_section_type_flags_1): Revert my patch from April 9.
7497
7498 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7499
7500         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
7501         * config/sparc/sparc.md (untyped_call): Save the registers manually.
7502
7503         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
7504
7505 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
7506
7507         PR middle-end/20917
7508         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
7509         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
7510
7511 2004-04-12  Richard Henderson  <rth@redhat.com>
7512
7513         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
7514         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
7515         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
7516         (UNSPEC_*, UNSPECV_*): Renumber.
7517
7518 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
7519
7520         PR mudflap/19266
7521         From Richard Henderson <rth@redhat.com>:
7522         * tree-mudflap.c (mf_build_check_statement_for): Correct block
7523         splitting logic.
7524
7525 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
7526
7527         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
7528
7529 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7530
7531         * config/bfin/bfin.c (bfin_library_id_string): Remove.
7532         (bfin_library_id): New variable.
7533         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
7534         instead of bfin_library_id_string.
7535         (bfin_handle_option): New function.
7536         (override_options): Remove most code to deal with shared library IDs,
7537         just check they aren't used without -mid-shared-library.
7538         (TARGET_HANDLE_OPTION): Define.
7539         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
7540         * config/bfin/bfin.opt (mshared-library-id=): New.
7541
7542 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
7543
7544         * tree-vect-transform.c: Fix comment typos.
7545
7546 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
7547
7548         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
7549         split critical edges when not possible/profitable.
7550
7551 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
7552
7553         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
7554         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
7555         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
7556         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
7557         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
7558         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
7559         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
7560         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
7561         MASK_NO_BITFIELD.
7562         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
7563         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7564         * config/ns32k/ns32k.opt: New file.
7565
7566 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
7567
7568         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
7569         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
7570         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
7571         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
7572         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
7573         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
7574         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
7575         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
7576         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
7577         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
7578         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
7579         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
7580         (MASK_COLDFIRE): Formatting fixes.
7581         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
7582         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
7583         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
7584         "_current_shared_library_a5_offset_".
7585         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7586         (MASK_ALL_CPU_BITS): New macro.
7587         (m68k_handle_option): New function.
7588         (override_options): Remove handling of m68k_library_id_string.
7589         * config/m68k/m68k.opt: New file.
7590         * config/m68k/ieee.opt: New file.
7591
7592 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
7593
7594         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7595         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
7596         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7597         (TARGET_CXX): Adjust accordingly.
7598         * target.h (struct gcc_target): Remove epxort_class_data.  Add
7599         determine_class_data_visibility and class_data_always_comdat.
7600         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7601         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
7602         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7603         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
7604         (arm_cxx_determine_class_data_visibility): New.
7605         (arm_cxx_class_data_always_comdat): Likewise.
7606         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7607         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
7608         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7609         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
7610         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
7611         Define.
7612
7613 2005-04-11  Devang Patel  <dpatel@apple.com>
7614
7615         * tree-data-ref.c (build_classic_dist_vector,
7616         compute_subscript_distance): Make externally visible.
7617         * tree-data-ref.h (build_classic_dist_vector,
7618         compute_subscript_distance): Same.
7619         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
7620         Check distance vector against vectorization factor.
7621         (vect_analyze_loop): Determine vectorizaion factor before
7622         analyzing data dependences.
7623         * tree-vectorizer.c (loops_num): Make it externally visible and
7624         rename ...
7625         * tree-vectorizer.c (vect_loops_num): ... new name.
7626         * tree-vectorizer.h  (vect_loops_num): New.
7627
7628 2005-04-11  Devang Patel  <dpatel@apple.com>
7629
7630         * tree-vect-analyze.c (vect_analyze_operations): Check
7631         vectorizable codition.
7632         * tree-vect-transform.c (vect_is_simple_cond): New function.
7633         (vectorizable_condition): New function.
7634         (vect_transform_stmt): Handle condition_vec_info_type.
7635         * tree-vectorizer.h (enum stmt_vec_info_type): Add
7636         condition_vec_info_type.
7637         (vectorizable_condition): New.
7638
7639 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
7640
7641         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
7642         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
7643         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
7644
7645         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
7646         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
7647
7648         * dwarf2out.c (output_line_info): Don't try to dereference
7649         a NULL current_function_decl.
7650
7651         * config/t-slibgcc-darwin: Don't put shared libraries in
7652         directories other than $(slibdir).
7653         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
7654         OS uses for it.
7655
7656 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
7657
7658         PR tree-optimization/20933
7659         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
7660         logic to reject aliases between read-only and writable
7661         variables ...
7662         (may_alias_p): ... here.
7663         (get_tmt_for): Do not associate read-only tags to pointers
7664         whose pointed-to type is not read-only.
7665         * tree-ssa.c (verify_ssa): Check that memory stores have at
7666         least one V_MAY_DEF or V_MUST_DEF.
7667
7668 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7669
7670         PR/17092
7671         * configure.ac (gcc_UNLOCKED_FUNCS): New.
7672         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
7673         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
7674         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
7675         _unlocked function.
7676         (fwrite_unlocked): Fix prototype.
7677
7678         * configure, config.in: Regenerate.
7679
7680 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
7681
7682         * tree-ssa-loop-im.c: Include real.h.
7683         (determine_invariantness_stmt): If real division divisor is
7684         invariant and flag_unsafe_math_optimizations enabled, generate
7685         invariant reciprocal for hoisting.
7686         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
7687
7688 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
7689
7690         Fix PR tree-optimization/20926
7691
7692         * tree-ssa-alias.c (add_type_alias): Handle subvars.
7693
7694 2005-04-11  Devang Patel  <dpatel@apple.com>
7695
7696         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
7697         operand ordering.
7698
7699 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
7700
7701         * fold-const.c (fold_binary_op_with_conditional_arg):
7702         use fold_buildN instead of "fold (buildN" in some
7703         non obvious places.
7704         (fold_unary): Likewise.
7705         (fold_binary): Likewise.
7706
7707 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
7708
7709         Fix PR tree-optimization/20612
7710         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
7711         handling
7712         (perfect_nestify): preheaderbb is *not* part of loop of the
7713         old destination.
7714
7715 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
7716
7717         * tree-ssa-alias.c (may_alias_p): If the variable
7718         is a global variable and the pointer is parameter
7719         and -fargument-noalias-global is used, then
7720         the pointer cannot alias the variable.
7721
7722 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
7723
7724         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
7725         * config/sparc/sparc.h: Likewise.
7726         * config/sparc/sparc.md: Likewise.
7727
7728 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
7729
7730         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
7731
7732         * tree-vrp.c: Fix a comment typo.
7733
7734 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
7735
7736         PR tree-optimization/20920
7737         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
7738         SSA_NAME flows through an abnormal edge.
7739         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
7740         through abnormal edges.
7741         (maybe_add_assert_expr): Likewise.
7742
7743 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
7744
7745         * config/s390/s390.h (s390_tune_string, s390_arch_string)
7746         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
7747         (s390_stack_size_string, s390_stack_guard_string, target_flags)
7748         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
7749         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
7750         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
7751         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
7752         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
7753         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
7754         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
7755         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7756         (TARGET_HANDLE_OPTION): Likewise.
7757         (s390_tune): Initialize to PROCESSOR_max.
7758         (s390_arch_string): Make static.
7759         (s390_tune_string, s390_warn_framesize_string): Delete.
7760         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
7761         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
7762         (s390_handle_arch_option, s390_handle_option): New functions.
7763         (override_options): Remove parsing of option strings.
7764         * config/s390/s390.opt: New file.
7765
7766 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
7767
7768         * tree-complex.c (expand_vector_operations): Call
7769         update_stmt_if_modified.
7770
7771 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
7772
7773         * tree-vect-analyze (vect_determine_vectorization_factor):
7774         Do not use GET_MODE_NUNITS.
7775         * tree-vect-transform.c (vect_get_vec_def_for_operand,
7776         (vectorizable_load, vect_transform_loop): Likewise.
7777
7778 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
7779
7780         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
7781         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
7782         * optabs.h (enum optab_index): Add new OTI_lceil.
7783         (lceil_optab): Define corresponding macro.
7784         * optabs.c (init_optabs): Initialize lceil_optab.
7785         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
7786         and lceildi2 patterns.
7787         * builtins.c (expand_builtin_int_roundingfn): Handle
7788         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
7789         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
7790         BUILT_IN_LLCEIL{,F,L}.
7791         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
7792         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
7793         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
7794         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
7795         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
7796         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
7797         into lceil built-in function and (long long int)ceil{,f,l} into
7798         llceil built-in function.
7799         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
7800         BUILT_IN_LLCEIL.
7801
7802 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7803
7804         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
7805         zero.
7806
7807 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
7808
7809         * config/arm/arm.c: Fix a comment typo.
7810         * doc/tree-ssa.texi: Fix a typo.
7811
7812 2005-04-10  Steven Bosscher  <stevenb@suse.de>
7813
7814         * cselib.c (clear_table): Rename to cselib_clear_table.
7815         * cselib.h (cselib_clear_table): Add prototype.
7816         * gcse.c (gcse_main): Make 'f' argument unused.
7817         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
7818         of each basic block instead.
7819         (compute_sets, compute_hash_table_work): Likewise.
7820         (constprop_register): Change int 'alter_jumps' argument to bool.
7821         (do_local_cprop): Likewise.
7822         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
7823         the insn chain.  Explicitly clear the cselib tables after finishing
7824         one basic block.  Make sure there are no unterminated libcall blocks.
7825         Update compute_sets call.
7826         (cprop): Walk basic blocks instead of the insn chain.
7827         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
7828         Likewise.
7829         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
7830         one_cprop_pass calls.
7831
7832 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
7833
7834         * combine.c (combine_simplify_rtx): Remove a transformation that
7835         relies on an invalid assumption about rtl sign-extension semantics.
7836
7837 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
7838
7839         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
7840         to build_int_cst_wide.
7841
7842 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
7843
7844         PR target/20126
7845         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
7846         set the original address pseudo to the correct value before the
7847         original insn, if possible, and leave the insn alone, otherwise
7848         create a new pseudo, set it and replace it in the insn.
7849         * recog.c (validate_change_maybe_volatile): New.
7850         * recog.h (validate_change_maybe_volatile): Declare.
7851
7852 2005-04-09  Caroline Tice  <ctice@apple.com>
7853
7854         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7855         Remove targetm.have_named_sections test.
7856         (fix_edges_for_rarely_executed_code): Likewise.
7857         (insert_section_boundary_note): Likewise.
7858         (reorder_basic_blocks): Check partitioning flag before calling
7859         verify_hot_cold_block_grouping.
7860         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
7861         the function struct rather than global variables.
7862         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
7863         (COLD_END_LABEL): Likewise
7864         (cold_text_section_label): New static global variable.
7865         (cold_end_label): Likewise.
7866         (dwarf2out_switch_text_section): Get hot/cold section labels from
7867         the function struct rather than global variables.
7868         (output_aranges): Use cold_text_section_label and cold_end_label;
7869         check partitioning flag before putting out delta.
7870         (output_ranges): Remove incorrect code attempting to use
7871         hot/cold labels.
7872         (output_line_info): Get cold section label from function struct.
7873         (add_location_or_const_value_attribute): Likewise.
7874         (get_subprogram_die): Get hot/cold section labels from function struct.
7875         (dwarf2out_var_location): Likewise.
7876         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
7877         write out cold_text_section_label if partition flag is set.
7878         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
7879         * function.h (struct function): Add new fields to point to hot/cold
7880         section labels: hot_section_label, cold_section_label,
7881         hot_section_end_label and cold_section_end_label; also add new field
7882         for cold text section name, unlikely_text_section_name.
7883         * opts.c (decode_options): Turn off partitioning flag if
7884         !targetm.have_named_sections.
7885         * output.h (hot_section_label): Remove.
7886         (hot_section_end_label): Remove.
7887         (cold_section_end_label): Remove.
7888         (unlikely_section_label): Remove.
7889         (unlikely_text_section_name): Remove.
7890         * passes.c (rest_of_handle_final):  Remove code that frees
7891         unlikely_text_section_name.
7892         * varasm.c (unlikely_section_label): Remove.
7893         (hot_section_label): Remove.
7894         (hot_section_end_label): Remove.
7895         (cold_section_end_label): Remove.
7896         (unlikely_text_section_name):  Remove.
7897         (initialize_cold_section_name): Modify to call
7898         targetm.strip_name_encoding; to store cold section name in current
7899         function struct, if it exists; and to only use the decl_section_name
7900         if flag_named_sections is true.
7901         (unlikely_text_section): Modify to get section name out of current
7902         function struct, if there is one; otherwise build it from
7903         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
7904         (in_unlikely_text_section): Likewise.
7905         (named_section): Modify to get/put cold section name in current function
7906         struct, if there is one.
7907         (function_section):  Change 'bool unlikely' to 'int reloc'; check
7908         targetm.have_named_sections before calling named_section.
7909         (current_function_section): Likewise.
7910         (assemble_start_function): Modify to get/put unlikely_text_section_name
7911         in current function struct; modify to get hot/cold section labels
7912         from function struct; initialize labels using
7913         ASM_GENERATE_INTERNAL_LABEL;
7914         test partitioning flag before writing out hot section label.
7915         (assemble_end_function): Test partitioning flag before writing out
7916         hot/cold section labels.
7917         (default_section_type_flags_1):  Modify to use array instead of
7918          char* for unlikely_text_section_name; set flags correctly for
7919          cold text section if there is not a current function decl.
7920
7921 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
7922
7923         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
7924         and TI_VA_LIST_FPR_COUNTER_FIELD.
7925         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
7926         * tree-pass.h (pass_stdarg): Add.
7927         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
7928         * tree-stdarg.c: New file.
7929         * tree-stdarg.h: New file.
7930         * Makefile.in (OBJS-common): Add tree-stdarg.o.
7931         (tree-stdarg.o): Add dependencies.
7932         * function.h (struct function): Add va_list_gpr_size and
7933         va_list_fpr_size fields.
7934         * function.c (allocate_struct_function): Initialize them.
7935         * target.h (struct gcc_target): Add stdarg_optimize_hook.
7936         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
7937         (TARGET_INITIALIZER): Add it.
7938
7939         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
7940         va_list_{g,f}pr_counter_field.
7941         (ix86_setup_incoming_varargs): Don't do anything if reg_save
7942         area will not be used.  Only save registers that tree-stdarg.c
7943         detected they need saving.
7944         (ix86_va_start): Don't set up fields that won't be used.
7945
7946         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
7947         va_list_{g,f}pr_counter_field.
7948         (setup_incoming_varargs): Don't do anything if reg_save
7949         area will not be used.  Only save registers that tree-stdarg.c
7950         detected they need saving.
7951         (rs6000_va_start): Don't set up fields that won't be used.
7952
7953         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
7954         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
7955         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
7956         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
7957
7958 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
7959
7960         PR target/20795
7961         * config/i386/i386.c (construct_container): Pass empty aligned
7962         struct, union or class in memory.
7963
7964 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
7965
7966         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
7967         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
7968         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
7969         config/rs6000/predicates.md: Fix comment typos.
7970
7971         * sched-int.h (haifa_insn_data): Remove blockage and units.
7972         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
7973         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
7974         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
7975
7976 2005-04-09  Jan Hubicka  <jh@suse.cz>
7977             Steven Bosscher  <stevenb@suse.de>
7978
7979         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
7980         * cfgloop.c (get_loop_exit_edges): Likewise.
7981         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
7982         (unloop): Likewise.
7983         * loop-unroll.c (analyze_insns_in_loop): Likewise.
7984         * tree-cfg.c (dump_cfg_status): Likewise.
7985
7986 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
7987
7988         * config/rs6000/predicates.md (altivec_register_operand): Remove
7989         redundant match_code test.
7990         (gpc_reg_operand): Same.
7991         (cc_reg_operand): Same.
7992         (cc_reg_not_cr0_operand): Same.
7993
7994 2005-04-09  Jan Hubicka  <jh@suse.cz>
7995
7996         Forgotten hunk from my last merge patch:
7997         * final.c (output_addr_const): Do not call mark_referenced.
7998
7999 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
8000
8001         * doc/tree-ssa.texi: Add immediate use documentation.
8002
8003 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
8004
8005         * arm.c (FL_WBUF): Define.
8006         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
8007         (arm_is_6_or_7): Delete.
8008         (arm_tune_wbuf): New.
8009         (arm_override_options): Set arm_tune_wbuf.
8010         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
8011         (arm_is_6_or_7): Delete declaration.
8012         (arm_tune_wbuf): New declartion.
8013         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
8014         (model_wbuf): Derive from arm_tune_wbuf.
8015         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
8016         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
8017         (arm740t): Mark CPUs as having a write buffer.
8018
8019 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
8020
8021         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
8022         of 'const_double_operand' in operand 2 constraints.  Update enable
8023         condition.
8024
8025 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
8026
8027         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
8028         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
8029         * optabs.h (enum optab_index): Add new OTI_lfloor.
8030         (lfloor_optab): Define corresponding macro.
8031         * optabs.c (init_optabs): Initialize lfloor_optab.
8032         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
8033         and lfloordi2 patterns.
8034         * builtins.c (expand_builtin_int_roundingfn): New prototype.
8035         (expand_builtin_int_roundingfn): New function.
8036         (fold_builtin_int_roundingfn): New prototype.
8037         (fold_builtin_int_roundingfn): New function, renamed from
8038         fold_builtin_lround.
8039         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
8040         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
8041         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
8042         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
8043         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
8044         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
8045         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
8046         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
8047         into lfloor built-in function and (long long int)floor{,f,l} into
8048         llfloor built-in function.
8049         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
8050         BUILT_IN_LLFLOOR.
8051
8052 2005-04-08  Ian Lance Taylor  <ian@airs.com>
8053
8054         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
8055         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
8056         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
8057         (DO_COND, DO_BODY): Likewise.
8058         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
8059         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
8060         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
8061         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
8062         (build_continue_stmt, build_break_stmt): Don't declare.
8063         (c_do_switch_warnings): Update declaration.
8064         * c-gimplify.c (enum bc_t): Remove.
8065         (struct c_gimplify_ctx, ctxp): Remove.
8066         (push_context, pop_context): Remove static functions.
8067         (c_genericize): Don't call push_context or pop_context.
8068         (begin_bc_block, finish_bc_block): Remove static functions.
8069         (build_bc_goto): Likewise.
8070         (gimplify_c_loop): Likewise.
8071         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
8072         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
8073         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
8074         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
8075         * c-common.c (c_do_switch_warnings): Rename from
8076         c_do_switch_warnings_1.
8077         (c_do_switch_warnings) [old version]: Remove.
8078         (c_do_switch_expr_warnings): Remove.
8079         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
8080         function instead of c_do_switch_expr_warnings.
8081         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
8082         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
8083         * c-pretty-print.c (pp_c_statement): Likewise.
8084         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
8085
8086 2005-04-08  Devang Patel  <dpatel@apple.com>
8087
8088         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
8089         While selecting replacement condition pay attention to loop header.
8090
8091 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
8092
8093         Merge from tree-cleanup-branch: VRP, store CCP, store
8094             copy-prop, incremental SSA updating of FUD chains and
8095             newly exposed symbols.
8096
8097         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
8098         (OBJS-common): Add tree-vrp.o.
8099         (tree-vrp.o): New rule.
8100         * basic-block.h (nearest_common_dominator_for_set): Declare.
8101         * common.opt (ftree-store-ccp): New flag.
8102         (ftree-copy-prop): New flag.
8103         (ftree-vrp): New flag.
8104         (ftree-store-copy-prop): New flag.
8105         * dominance.c (nearest_common_dominator_for_set): New.
8106         * domwalk.c (walk_dominator_tree): Only traverse
8107         statements in blocks marked in walk_data->interesting_blocks.
8108         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
8109         * fold-const.c (fold): Handle ASSERT_EXPR.
8110         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
8111         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
8112         flag_tree_vrp at -O2.
8113         * timevar.def (TV_TREE_VRP): Define.
8114         (TV_TREE_COPY_PROP): Define.
8115         (TV_TREE_STORE_COPY_PROP): Define.
8116         (TV_TREE_SSA_INCREMENTAL): Define.
8117         (TV_TREE_STORE_CCP): Define.
8118         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
8119         to kill_redundant_phi_nodes from comment.
8120         (verify_expr): Handle ASSERT_EXPR.
8121         * tree-dfa.c (mark_new_vars_to_rename): Remove second
8122         argument.  Update all users.
8123         (mark_call_clobbered_vars_to_rename): Remove.  Update all
8124         users.
8125         * tree-flow-inline.h (unmodifiable_var_p): New.
8126         * tree-flow.h (enum value_range_type): Declare.
8127         (struct value_range_def): Declare.
8128         (value_range): Declare.
8129         (remove_all_phi_nodes_for): Remove.  Update all users.
8130         (find_phi_node_for): Declare.
8131         (add_type_alias): Declare.
8132         (count_uses_and_derefs): Declare.
8133         (kill_redundant_phi_nodes): Remove.
8134         (rewrite_into_ssa): Remove.
8135         (rewrite_def_def_chains): Remove.
8136         (update_ssa, register_new_name_mapping, create_new_def_for,
8137         need_ssa_update_p, name_registered_for_update_p,
8138         release_ssa_name_after_update_ssa, dump_repl_tbl,
8139         debug_repl_tbl, dump_names_replaced_by,
8140         debug_names_replaced_by, mark_sym_for_renaming,
8141         mark_set_for_renaming, get_current_def, set_current_def,
8142         get_value_range, dump_value_range, debug_value_range,
8143         dump_all_value_ranges, debug_all_value_ranges,
8144         expr_computes_nonzero, loop_depth_of_name,
8145         unmodifiable_var_p): Declare.
8146         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
8147         ASSERT_EXPR.
8148         * tree-into-ssa.c (block_defs_stack): Update comment.
8149         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
8150         syms_to_rename, names_to_release, repl_tbl,
8151         need_to_initialize_update_ssa_p, need_to_update_vops_p,
8152         need_to_replace_names_p): New locals.
8153         (NAME_SETS_GROWTH_FACTOR): Define.
8154         (struct repl_map_d): Declare.
8155         (struct mark_def_sites_global_data): Add field
8156         interesting_blocks.
8157         (enum rewrite_mode): Declare.
8158         (REGISTER_DEFS_IN_THIS_STMT): Define.
8159         (compute_global_livein): Use last_basic_block instead of
8160         n_basic_blocks.
8161         (set_def_block): Remove last argument.  Update all callers.
8162         (prepare_use_operand_for_rename): Remove.  Update all callers.
8163         (prepare_def_operand_for_rename): Remove.  Update all callers.
8164         (symbol_marked_for_renaming): New.
8165         (is_old_name): New.
8166         (is_new_name): New.
8167         (repl_map_hash): New.
8168         (repl_map_eq): New.
8169         (repl_map_free): New.
8170         (names_replaced_by): New.
8171         (add_to_repl_tbl): New.
8172         (add_new_name_mapping): New.
8173         (mark_def_sites): Assume that all the operands in the
8174         statement are in normal form.
8175         (find_idf): Assert that the block in the stack is valid.
8176         (get_default_def_for): New.
8177         (insert_phi_nodes_for): Add new argument 'update_p'.
8178         Add documentation.
8179         If update_p is true, add a new mapping between the LHS of
8180         each new PHI and the name that it replaces.
8181         (insert_phi_nodes_1): Only call find_idf if needed.
8182         (get_reaching_def): Call get_default_def_for.
8183         (rewrite_operand): Remove.
8184         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
8185         and REWRITE_THIS_STMT are false.
8186         Assume that all the operands in the statement are in
8187         normal form.
8188         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
8189         (rewrite_virtual_phi_arguments): Remove.
8190         (invalidate_name_tags): Remove.
8191         (register_new_update_single, register_new_update_set,
8192         rewrite_update_init_block, replace_use,
8193         rewrite_update_fini_block, rewrite_update_stmt,
8194         rewrite_update_phi_arguments): New.
8195         rewrite_blocks): Remove argument 'fix_virtual_phis'.
8196         Add arguments 'entry', 'what' and 'blocks'.
8197         Initialize the dominator walker according to 'what' and
8198         'blocks'.
8199         Start the dominator walk at 'entry'.
8200         (mark_def_site_blocks): Add argument 'interesting_blocks'.
8201         Use it to configure the dominator walker.
8202         (rewrite_into_ssa): Remove argument 'all'.
8203         Make internal.
8204         (rewrite_all_into_ssa): Remove.
8205         (rewrite_def_def_chains): Remove.
8206         (mark_def_interesting, mark_use_interesting,
8207         prepare_phi_args_for_update, prepare_block_for_update,
8208         prepare_def_site_for, prepare_def_sites,
8209         dump_names_replaced_by, debug_names_replaced_by,
8210         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
8211         delete_update_ssa, create_new_def_for,
8212         register_new_name_mapping, mark_sym_for_renaming,
8213         mark_set_for_renaming, need_ssa_update_p,
8214         name_registered_for_update_p, ssa_names_to_replace,
8215         release_ssa_name_after_update_ssa,
8216         insert_updated_phi_nodes_for, update_ssa): New.
8217         * tree-loop-linear.c (linear_transform_loops): Call
8218         update_ssa instead of rewrite_into_ssa.
8219         * tree-optimize.c (vars_to_rename): Remove.
8220         Update all users.
8221         (init_tree_optimization_passes): Replace
8222         pass_redundant_phi with pass_copy_prop.
8223         Add pass_vrp.
8224         Replace pass_ccp with pass_store_ccp.
8225         Add pass_store_copy_prop after pass_store_ccp.
8226         (execute_todo): If the TODO_ flags don't include updating
8227         the SSA form, assert that it does not need to be updated.
8228         Call update_ssa instead of rewrite_into_ssa and
8229         rewrite_def_def_chains.
8230         If TODO_verify_loops is set, call verify_loop_closed_ssa.
8231         (tree_rest_of_compilation):
8232         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
8233         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
8234         TODO_cleanup_cfg): Renumber.
8235         (TODO_verify_loops, TODO_update_ssa,
8236         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
8237         TODO_update_ssa_only_virtuals): Define.
8238         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
8239         Declare.
8240         * tree-phinodes.c (make_phi_node): Update documentation.
8241         (remove_all_phi_nodes_for): Remove.
8242         (find_phi_node_for): New.
8243         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
8244         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
8245         (interpret_rhs_modify_expr): Likewise.
8246         * tree-sra.c (decide_instantiations): Mark all symbols in
8247         SRA_CANDIDATES for renaming.
8248         (mark_all_v_defs_1): Rename from mark_all_v_defs.
8249         (mark_all_v_defs): New function.  Update all users to call it
8250         with the whole list of scalarized statements, not just the
8251         first one.
8252         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
8253         (compute_flow_insensitive_aliasing): If the tag is
8254         unmodifiable and the variable isn't or vice-versa, don't
8255         make them alias of each other.
8256         (setup_pointers_and_addressables): If the type tag for
8257         VAR is about to change, mark the old one for renaming.
8258         (add_type_alias): New.
8259         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
8260         (ccp_lattice_t): Rename from latticevalue.
8261         (value): Remove.  Update all users.
8262         (const_val): New local variable.
8263         (do_store_ccp): New local variable.
8264         (dump_lattice_value): Handle UNINITIALIZED.
8265         (debug_lattice_value): New.
8266         (get_default_value): Re-write.
8267         (set_lattice_value): Re-write.
8268         (def_to_varying): Remove.  Update all users.
8269         (likely_value): Return VARYING for statements that make
8270         stores when STORE_CCP is false.
8271         Return VARYING for any statement other than MODIFY_EXPR,
8272         COND_EXPR and SWITCH_EXPR.
8273         (ccp_initialize): Re-write.
8274         (replace_uses_in, replace_vuse_in, substitute_and_fold):
8275         Move to tree-ssa-propagate.c.
8276         (ccp_lattice_meet): Handle memory stores when
8277         DO_STORE_CCP is true.
8278         (ccp_visit_phi_node): Likewise.
8279         (ccp_fold): Likewise.
8280         (evaluate_stmt): Likewise.
8281         (visit_assignment): Likewise.
8282         (ccp_visit_stmt): Likewise.
8283         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
8284         into DO_STORE_CCP.
8285         (do_ssa_ccp): New.
8286         (pass_ccp): Use it.
8287         (do_ssa_store_ccp): New.
8288         (gate_store_ccp): New.
8289         (pass_store_ccp): Declare.
8290         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
8291         (may_propagate_copy): Reformat.
8292         Don't abort if ORIG is a virtual and DEST isn't.
8293         If NEW does not have alias information but DEST does,
8294         copy it.
8295         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
8296         copy_prop_kind, which_copy_prop): Declare.
8297         (stmt_may_generate_copy, get_copy_of_val,
8298         get_last_copy_of, set_copy_of_val, dump_copy_of,
8299         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
8300         copy_prop_visit_stmt, copy_prop_visit_phi_node,
8301         init_copy_prop, fini_copy_prop, execute_copy_prop,
8302         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
8303         store_copy_prop): New.
8304         (pass_copy_prop, pass_store_copy_prop): Declare.
8305         * tree-ssa-dom.c (struct opt_stats_d): Add fields
8306         'num_const_prop' and 'num_copy_prop'.
8307         (cprop_operand): Update them.
8308         (dump_dominator_optimization_stats): Dump them.
8309         (tree_ssa_dominator_optimize): Call update_ssa instead of
8310         rewrite_into_ssa.
8311         (loop_depth_of_name): Declare extern.
8312         (simplify_cond_and_lookup_avail_expr): Guard against NULL
8313         values for LOW or HIGH.
8314         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
8315         (record_equivalences_from_stmt): Call expr_computes_nonzero.
8316         (cprop_operand): Only propagate if VAL != OP.
8317         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
8318         statement for renaming.
8319         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
8320         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
8321         add_type_alias if necessary.
8322         Call mark_new_vars_to_rename.
8323         (tree_ssa_iv_optimize): If new symbols need to be renamed,
8324         mark every statement updated, call update_ssa and
8325         rewrite_into_loop_closed_ssa.
8326         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
8327         from LIVEIN if VAR is a virtual.
8328         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
8329         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
8330         (get_call_expr_operands): Reformat statement.
8331         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
8332         symbols.
8333         * tree-ssa-propagate.c (ssa_prop_init): Initialize
8334         SSA_NAME_VALUE for every name.
8335         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
8336         get_value_loaded_by): New.
8337         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
8338         substitute_and_fold): Move from tree-ssa-ccp.c.
8339         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
8340         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
8341         get_value_loaded_by, replace_uses_in, substitute_and_fold):
8342         Declare.
8343         * tree-ssa.c (verify_use): Fix error message.
8344         (propagate_into_addr, replace_immediate_uses, get_eq_name,
8345         check_phi_redundancy, kill_redundant_phi_nodes,
8346         pass_redundant_phi): Remove.  Update all users.
8347         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8348         add_type_alias, if necessary.
8349         * tree-vectorizer.h (struct _stmt_vect_info): Update
8350         documentation for field 'memtag'.
8351         * tree-vrp.c: New file.
8352         * tree.def (ASSERT_EXPR): Define.
8353         * tree.h (ASSERT_EXPR_VAR): Define.
8354         (ASSERT_EXPR_COND): Define.
8355         (SSA_NAME_VALUE_RANGE): Define.
8356         (struct tree_ssa_name): Add field 'value_range'.
8357         (PHI_REWRITTEN): Remove.
8358         (struct tree_phi_node): Remove field 'rewritten'.
8359         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
8360         -ftree-store-copy-prop): Document.
8361         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
8362         Document usage of update_ssa.
8363
8364 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
8365
8366         PR target/20814
8367         * config/rs6000/predicates.md (altivec_register_operand): Accept
8368         SUBREG.
8369         (and64_operand): Do not limit CONST_INT to mask64_operand.
8370         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
8371         (and_operand): Do not limit CONST_INT to mask_operand.
8372
8373 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
8374
8375         PR rtl-optimization/20466
8376         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
8377         for overlap of the address of each list member.
8378         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
8379
8380 2005-04-08  Mike Stump  <mrs@apple.com>
8381
8382         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
8383
8384         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
8385         instead of 4.
8386
8387 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
8388
8389         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
8390
8391         * function.c (push_function_context_to): Don't set
8392         contains_functions.
8393         * function.h (function): Remove contains_functions.
8394         (current_function_contains_functions): Remove.
8395
8396         * function.h (function): Remove instrument_entry_exit.
8397         (current_function_instrument_entry_exit): Remove.
8398
8399         * function.h (nonlocal_labels): Remove.
8400
8401         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
8402
8403         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
8404         (check_attr_value, write_attr_get, write_expr_attr_cache,
8405         find_attr, make_internal_attr): Don't reference negative_ok or
8406         unsigned_p.
8407         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
8408         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
8409         (ATTR_STATIC): Adjust the value.
8410
8411         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
8412
8413 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
8414
8415         * config/s390/tpf.h (ASM_SPEC): Define.
8416
8417 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
8418
8419         * tree-flow.h: Remove the prototype for
8420         redirect_immediate_uses.
8421         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
8422
8423 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
8424
8425         * arm.c (arm_const_double_by_parts): New function.
8426         * arm-protos.h (arm_const_double_by_parts): Add prototype.
8427         * arm.md (define_split for 64-bit constants): Add another one.
8428
8429 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
8430
8431         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
8432
8433 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8434
8435         * system.h: Revert last change.
8436
8437 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
8438
8439         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
8440         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
8441         (TARGET_SWITCHES): Delete.
8442         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
8443         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
8444         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
8445         * config/xtensa/xtensa.opt: New file.
8446
8447 2005-04-08  Ben Elliston  <bje@au.ibm.com>
8448
8449         * config/fp-bit.c: Include L_mul_tf in #endif comment.
8450         * config/fp-bit.h: Tidy comments.
8451
8452 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8453
8454         * system.h: Poison PARAMS.
8455
8456 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
8457
8458         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
8459         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
8460         (TARGET_SWITCHES): Delete.
8461         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
8462         * config/vax/vax.opt: New file.
8463
8464 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
8465
8466         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
8467
8468 2005-04-07  Ian Lance Taylor  <ian@airs.com>
8469
8470         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
8471         define.
8472         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
8473         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
8474         Likewise.
8475
8476 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
8477
8478         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
8479         all immediate uses in PHI nodes.
8480
8481 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
8482
8483         * arm.c (arm_const_double_inline_cost): Handle any constant by
8484         using gen_lowpart and gen_highpart_mode.
8485         (note_invalid_constants): All constants in an RTX with a constraint
8486         that permits memory are now pushed to the constant pool.
8487         (output_move_double): Delete code to handle reg to reg and
8488         constant to reg moves.
8489         (const_double_needs_minipool, output_mov_immediate): Delete.
8490         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
8491         CONST_INT and CONST_VECTOR.
8492         * arm.md (ANY64): New mode macro.
8493         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
8494         (movdf_soft_insn): Split reg-reg and const-reg moves.
8495         (split patterns for 64-bit constant and register moves): New.
8496         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
8497         (cirrus_movdf_hard_insn): Likewise.
8498         * fpa.md (movdf_fpa): Likewise.
8499         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
8500         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
8501         constraints.
8502         (movv2si_internal_2): Likewise.
8503         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
8504         (movdf_vfp): Likewise.
8505         * arm-protos.h (output_mov_immediate): Delete prototype.
8506
8507 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
8508
8509         PR target/20093
8510         * simplify-rtx.c (simplify_unary_operation_1): Check
8511         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
8512
8513 2005-04-06  James E Wilson  <wilson@specifixinc.com>
8514
8515         PR target/20717
8516         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
8517         ADDR_EXPR.
8518
8519 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
8520
8521         * coverage.h (GCOV_TYPE_NODE): Delete.
8522         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
8523         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
8524         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
8525         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
8526         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
8527
8528 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
8529
8530         PR other/20792
8531         * Makefile.in (gcc.pot): Remove options.c dependency.
8532         * optc-gen.awk: Don't quote help strings with N_().
8533
8534 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
8535
8536         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
8537         the function returns a pointer type.
8538
8539 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
8540
8541         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
8542         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
8543         * doc/invoke.texi: Documnet salias-max-implicit-fields.
8544         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
8545         explicit_uses members.
8546         (get_or_create_used_part_for): Initialize new fields.
8547         (fieldoff_compare): New function.
8548         (create_overlap_variables_for): Count number of fields, use
8549         heuristic to determine whether to create subvars for vars with
8550         only implicit uses.
8551         Sort the field list by offset and avoid creating duplicate SFT's.
8552
8553 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
8554
8555         * c.opt (-F): Remove trailing whitespace from help string.
8556         (-finput-charset): Use a tab to separate the switch name and help
8557         string.
8558         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
8559         (-ftree-vectorizer-verbose): Likewise.
8560
8561 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
8562
8563         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
8564         a PHI argument where a use occurs instead of all PHI arguments.
8565
8566 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
8567
8568         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
8569         scope.
8570
8571 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
8572
8573         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
8574         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
8575         config/bfin/bfin.h: Fix comment typos.
8576
8577 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
8578
8579         * doc/install.texi: Update the URL for Jacks.
8580         * doc/sourcebuild.texi: Likewise.
8581
8582 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
8583
8584         PR target/17245
8585         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
8586         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
8587
8588 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
8589
8590         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
8591
8592 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
8593
8594         * config/v850/v850-protos.h (override_options): Delete.
8595         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
8596         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
8597         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
8598         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
8599         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
8600         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
8601         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
8602         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
8603         (OVERRIDE_OPTIONS): Delete.
8604         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
8605         (small_memory_info): Remove the value field.
8606         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
8607         TARGET_NO_APP_REGS.
8608         * config/v850/v850.c (small_memory): Remove the value field.
8609         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8610         (override_options): Delete.
8611         (v850_handle_memory_option, v850_handle_option): New functions.
8612         * config/v850/v850.opt: New file.
8613
8614 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
8615
8616         * config.host: Add a section for generic hosts, and a subsection
8617         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
8618         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
8619         * config/host-darwin.h: New.
8620         * config/x-darwin: New.
8621         * config/i386/host-i386-darwin.c: New.
8622         * config/i386/x-darwin: New.
8623         * config/rs6000/host-darwin.c: Include host-darwin.h.
8624         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
8625         (darwin_rs6000_gt_pch_use_address): Likewise.
8626         * config/rs6000/x-darwin: Change name of .o built, update
8627         dependencies for changes to rs6000/host-darwin.c.
8628
8629 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8630
8631         PR target/17824
8632         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
8633
8634 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
8635
8636         * tree-vect-analyze.c (vect_analyze_loop_form): Call
8637         split_loop_exit_edge instead of loop_split_edge_with.
8638
8639 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
8640
8641         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
8642         UNSPEC_SET_VSCR): New constants, used throughout.
8643         (*andc3_v4sf): New.
8644         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
8645         Replace with...
8646         (altivec_vspltis<VI_char>): ... this pattern, using
8647         a QImode const_int_operand for the immediate.
8648         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
8649         define_expands.
8650
8651 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8652
8653         PR target/17822
8654         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
8655
8656 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
8657
8658         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
8659
8660 2005-04-06  Ben Elliston  <bje@au.ibm.com>
8661
8662         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
8663         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
8664         macros as living in "this file" and not gcc.h.
8665
8666 2005-04-06  Ben Elliston  <bje@au.ibm.com>
8667
8668         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
8669         -ftree-live_range_split.  Perhaps renamed at some point?
8670
8671 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
8672
8673         PR target/20625
8674         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
8675         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
8676
8677 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
8678
8679         * tree-flow.h (number_of_iterations_cond): Declaration removed.
8680         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
8681         (number_of_iterations_special): New function.
8682         (number_of_iterations_exit): Use number_of_iterations_special.
8683         Use simplify_using_outer_evolutions only at -O3.
8684         (number_of_iterations_cond, tree_simplify_using_condition,
8685         simplify_using_initial_conditions, loop_niter_by_eval,
8686         compare_trees, can_count_iv_in_wider_type_bound,
8687         simplify_using_outer_evolutions): Use fold_build.
8688
8689 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
8690
8691         * doc/install.texi (Configuration): Document --with-java-home.
8692
8693 2005-04-05  Richard Henderson  <rth@redhat.com>
8694
8695         PR target/20342
8696         PR target/20447
8697         * config/i386/i386.c (print_operand): Handle vector zeros.
8698         (ix86_split_to_parts): Handle CONST_VECTOR.
8699         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
8700         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
8701         what modes to tie for MMX and SSE registers.
8702         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
8703         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
8704         to vector modes as well.
8705         * config/i386/predicates.md (const0_operand): Handle VOIDmode
8706         properly as an input mode.
8707
8708 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8709
8710         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
8711
8712 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8713
8714         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
8715
8716 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
8717
8718         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
8719         and local functions, set sse_nregs to 8 and float_in_sse.
8720         (function_arg_advance, function_arg): If float_in_sse, pass
8721         SFmode and DFmode arguments in SSE registers.
8722         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
8723
8724         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
8725         of -funit-at-a-time.
8726
8727 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
8728
8729         * config/i386/i386-protos.h (ix86_function_value): Accept two
8730         arguments, like the target macro.
8731         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
8732         * config/i386/i386.c (ix86_function_value): Accept the second
8733         argument of the target macro.
8734         (ix86_function_ok_for_sibcall): Pass a function pointer to
8735         ix86_function_value.
8736         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
8737         call to ix86_value_regno).
8738         (ix86_value_regno): Add support for returning floating point values
8739         in SSE registers.
8740
8741 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
8742
8743         PR tree-optimization/20076
8744         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
8745         that call __builtin_return or __builtin_apply_args.
8746
8747 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8748
8749         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
8750         Use immediate use iterator.
8751         (stmt_is_bumper_for_loop): Use immediate use iterator.
8752         * predict.c (strip_builtin_expect): Use update_stmt.
8753         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
8754         on all elements of a STATEMENT_LIST.
8755         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
8756         (bsi_remove): Remove imm_use links and mark the stmt as modified.
8757         (bsi_replace): Mark stmt as modified and the update it.
8758         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
8759         (expand_complex_libcal): Call update_stmt.
8760         (expand_complex_comparison): Call mark_stmt_modified.
8761         (expand_complex_operations_1): Call update_stmt_if_modified.
8762         (expand_vector_operations_1): Call mark_stmt_modified.
8763         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
8764         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
8765         add_immediate_use, redirect_immediate_use,
8766         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
8767         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
8768         (mark_new_vars_to_rename): Call update_stmt.
8769         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
8770         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
8771         Ignore PHI nodes.
8772         (unmodify_stmt): Delete.
8773         (update_stmt): New.  Force an update of a stmt.
8774         (update_stmt_if_modified): update a stmt if it is out of date.
8775         (get_stmt_operands): Verify stmt is NOT modified.
8776         (stmt_modified_p): Update comment.
8777         (delink_imm_use): Remove a use node from its immuse list.
8778         (link_imm_use_to_list): Link a use node to a specific list.
8779         (link_imm_use): Link a node to the correct list.
8780         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
8781         it in the correct list, if appropriate.
8782         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
8783         (relink_imm_use): Link a use node in place of another node in a list.
8784         (relink_imm_use_stmt): LInk a node in place of another node, and set
8785         the stmt pointer.
8786         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
8787         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
8788         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
8789         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
8790         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
8791         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
8792         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
8793         (has_zero_uses): New.  Return true if there are no uses of a var.
8794         (has_single_use): New.  Return true if there is only a single use of a
8795         variable.
8796         (single_imm_use): New.  Return the simgle immediate use.
8797         (num_imm_uses): New.  Return the number of immediate uses.
8798         (get_v_must_def_ops): Use is now a pointer.
8799         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
8800         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
8801         the use node.
8802         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
8803         (delink_stmt_imm_use): Delink all immuses from a stmt.
8804         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
8805         * tree-flow.h (struct dataflow_d): Delete.
8806         (immediate_use_iterator_d): New.  Immediate use iterator struct.
8807         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
8808         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
8809         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
8810         iteration.
8811         (struct stmt_ann_d): Remove dataflow_t from struct.
8812         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
8813         (if_convertible_phi_p): Use FAST immuse iterator.
8814         (if_convertible_loop_p): Don't call compute_immediate_uses.
8815         (replace_phi_with_cond_modify_expr): Call update_stmt.
8816         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
8817         update_stmt_if_modified.
8818         (rewrite_all_into_ssa): Initialize ssa operands.
8819         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
8820         compute_immediate_uses.
8821         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
8822         ssa_property is available.
8823         (execute_one_pass):  Change parameters passed to execute_todo.
8824         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
8825         (remove_ssa_form): Call fini_ssa_operands.
8826         (insert_backedge_copies): Delete call to modify_stmt.
8827         * tree-phinodes.c (make_phi_node): Initialize use nodes.
8828         (release_phi_node): Delink any use nodes before releasing.
8829         (resize_phi_node): Relink any use nodes.
8830         (remove_phi_arg_num): Delink the use node.
8831         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
8832         (remove_all_phi_nodes_for): Release phi node first.
8833         * tree-pretty-print.c (dump_generic_node): Print stmt address.
8834         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
8835         (scalarize_use, scalarize_copy): Call update_stmt.
8836         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
8837         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
8838         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
8839         (ccp_initialize): Remove call to compute_immediate_uses.
8840         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
8841         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
8842         stmts.
8843         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
8844         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
8845         (eliminate_redundant_computations): Call mark_stmt_modified.
8846         (cprop_operand): Call mark_stmt_modified.
8847         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
8848         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
8849         (dse_optimize_stmt): Use new immuse interface.
8850         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
8851         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
8852         (substitute_single_use_vars): Use new immuse interface.
8853         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
8854         and compute_immediate_uses.
8855         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
8856         interface.
8857         (rewrite_mem_refs): Call update_stmt.
8858         (determine_lsm): Remove call to compute_imm_uses and free_df.
8859         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
8860         (try_unroll_loop_completely): Call update_stmt.
8861         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
8862         (rewrite_use_compare): Call update_stmt.
8863         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
8864         (rewrite_use) : Call update_stmt.
8865         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
8866         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
8867         update_stmt.
8868         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
8869         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
8870         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
8871         use nodes.
8872         (initialize_vuse_operand): New.  Initialize a vuse operand.
8873         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
8874         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
8875         (finalize_ssa_defs): Use stmt parameter.
8876         (correct_use_link): Ensure a use node is in the correct list, and has
8877         the correct stmt pointer.
8878         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
8879         finalize_ssa_v_must_defs): Also initialize use nodes.
8880         (finalize_ssa_stmt_operands): Pass extra stmt operands.
8881         (build_ssa_operands): Seperate parsing from final operand construction.
8882         (parse_ssa_operands): New.  Parse entry point for operand building.
8883         (swap_tree_operands): New.  Swap 2 tree operands.
8884         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
8885         operands.
8886         (get_expr_operands): Call swap_tree_operands when needed.
8887         (copy_virtual_operands): Use initialize routines for virtual use ops.
8888         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
8889         (verify_abort): New.  Issue imm_use error.
8890         (verify_imm_links): New Verify imm_use links for a var.
8891         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
8892         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
8893         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
8894         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
8895         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
8896         (NULL_USE_OPERAND_P) Define.
8897         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
8898         use node.
8899         (struct vuse_operand_type): New struct.
8900         (SET_USE): Call set_ssa_use_from_ptr.
8901         (USE_STMT): Define.
8902         (PHI_ARG_INDEX_FROM_USE): Define.
8903         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
8904         argument via SET_USE, not PHI_ARG_DEF_TREE.
8905         * tree-ssa-pre.c (eliminate): Call update_stmt.
8906         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
8907         call free_df.
8908         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
8909         (nearest_common_dominator_of_uses): Use imm_use iterator.
8910         (statement_sink_location): Use imm_use iterator and interface.
8911         (execute_sink_code): Don't call compute_immediate_uses or free-df.
8912         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
8913         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
8914         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
8915         (verify_ssa): Ensure no stmt is marked modify after optimization pass
8916         if new parameter is true.
8917         (init_tree_ssa): Don't initialize operand cache here.
8918         (delete_tree_ssa): Don't destroy operand cache here.
8919         (propagate_into_addr): Pass in a use pointer, return true if anything
8920         was changed.
8921         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
8922         (check_phi_redundancy): Use imm_use iterator.
8923         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
8924         free_df.
8925         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
8926         (release_ssa_name): Delink node and all elements in its imm_use list.
8927         * tree-tailcall.c (adjust_return_value): Call update_stmt.
8928         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
8929         * tree-vectorizer.c (need_imm_uses_for): Delete.
8930         (vectorize_loops): Dont call compute_immediate_uses or free_df.
8931         * tree.h (struct ssa_imm_use_d): Define.
8932         (SSA_NAME_IMM_USE_NODE): Define.
8933         (struct tree_ssa_name): Add imm_use node.
8934         (PHI_DF): Delete.
8935         (PHI_ARG_IMM_USE_NODE): Define.
8936         (struct phi_arg_d): Add imm_use node.
8937         (struct tree_phi_node): Remove struct dataflow_d element.
8938         (TDF_STMTADDR): Define.
8939
8940 2005-04-05  Dale Johannesen  <dalej@apple.com>
8941
8942         * doc/invoke.texi (Optimization Options):  Remove
8943         duplicate -fcse-follow-jumps.  Add -fweb.
8944         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
8945         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
8946
8947 2005-04-05  Per Bothner  <per@bothner.com>
8948
8949         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
8950         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
8951         (warn_uninit): Get EXPR_LOCUS from context now instead.
8952         This fixes a USE_MAPPED_LOCATION testsuite failure.
8953
8954         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
8955
8956 2005-04-05  Per Bothner  <per@bothner.com>
8957
8958         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
8959         of the artification 'return 0' in main() to BUILTINS_LOCATION.
8960         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
8961         before warning.
8962
8963 2004-04-05  Devang Patel  <dpatel@apple.com>
8964
8965         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
8966         (lhsr<mode>3): ... new name.
8967         (altivec_vsra<VI_char>): Rename to ..
8968         (ashr<mode>3): ... new name.
8969         * config/rs6000/rs6000.c (builtin_description): Rename shift
8970         operations.
8971
8972 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
8973
8974         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
8975         gen_lowpart_for_combine.
8976         * cse.c (gen_lowpart_if_possible): Move...
8977         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
8978         gen_lowpart_SUBREG.
8979         (gen_lowpart_no_emit_general): Use it.
8980
8981 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
8982
8983         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
8984         overriding.
8985
8986 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
8987
8988         * system.h: Fix typo.
8989
8990 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8991
8992         * config/bfin/bfin-modes.def: New file.
8993         * config/bfin/bfin-protos.h: New file.
8994         * config/bfin/bfin.c: New file.
8995         * config/bfin/bfin.h: New file.
8996         * config/bfin/bfin.md: New file.
8997         * config/bfin/bfin.opt: New file.
8998         * config/bfin/crti.s: New file.
8999         * config/bfin/crtn.s: New file.
9000         * config/bfin/elf.h: New file.
9001         * config/bfin/lib1funcs.asm: New file.
9002         * config/bfin/predicates.md: New file.
9003         * config/bfin/t-bfin: New file.
9004         * config/bfin/t-bfin-elf: New file.
9005         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
9006         Document new attributes.
9007         (interrupt, interrupt_handler, saveall): Update documentation for
9008         these attributes.
9009         * doc/install.texi (Specific): Add entry for the Blackfin.
9010         * doc/invoke.texi (Blackfin Options): New section.
9011         * doc/md.texi (Blackfin family): New section to document constraints.
9012         * config.gcc: Add bfin*-* and bfin*-elf configurations.
9013
9014 2005-04-05  Olivier Hainque  <hainque@adacore.com>
9015
9016         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
9017         match what the system unwinder expects.
9018         * config/mips/mips.c (mips_frame_set): If we're saving the return
9019         address register and the dwarf return address column number differs
9020         from the hard register number, adjust the note reg to refer to the
9021         former.
9022
9023 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
9024
9025         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
9026         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
9027         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
9028         (processor_type): New enum.
9029         (mn10300_processor): New variable.
9030         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
9031         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
9032         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
9033         (PROCESSOR_DEFAULT): New macro.
9034         * config/mn10300/mn10300.c (mn10300_processor): New variable.
9035         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9036         (mn10300_handle_option, mn10300_override_options): New functions.
9037         * config/mn10300/mn10300.opt: New file.
9038
9039 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
9040             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
9041
9042         PR tree-optimization/19903
9043         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
9044         that don't fit in their type after conversion.
9045
9046 2005-04-05  Uros Bizjak <uros@kss-loka.si>
9047
9048         PR target/20421
9049         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
9050         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
9051         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
9052         flag here. Implement using define_insn_and_split.
9053         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
9054         (frndintxf2_mask_pm_i387): New insn patterns.
9055         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
9056         Do not set ix86_optimize_mode_switching flag.
9057         (ceilsf2, ceildf2, ceilxf2): Same.
9058         (btruncsf2, btruncdf2, btruncxf2): Same.
9059         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
9060
9061 2005-04-05  Ian Lance Taylor  <ian@airs.com>
9062
9063         PR debug/9963
9064         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
9065         i386_pe_record_external_function.
9066         (i386_pe_record_external_function): Update declaration.
9067         * config/i386/winnt.c (struct extern_list): Add decl field.
9068         (i386_pe_record_external_function): Add decl parameter.
9069         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
9070         identifier.
9071         * config/i386/i386-protos.h (i386_pe_record_external_function):
9072         Update declaration.
9073
9074 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
9075
9076         * config/m68k/m68k-protos.h: Add a prototype for
9077         valid_dbcc_comparison_p_2.
9078         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
9079         extend_operator, const_uint32_operand, const_sint32_operand,
9080         general_src_operand, nonimmediate_src_operand,
9081         memory_src_operand, post_inc_operand, pre_dec_operand,
9082         pcrel_address): Move to predicates to predicates.md.
9083         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
9084         * config/m68k/m68k.md: Include predicates.md.
9085         * config/m68k/predicates.md: New.
9086
9087 2005-04-04  Roger Sayle  <roger@eyesopen.com>
9088
9089         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
9090
9091         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
9092
9093 2005-04-04  Ian Lance Taylor  <ian@airs.com>
9094
9095         * c-typeck.c (struct c_switch): Rename switch_stmt field to
9096         switch_expr.
9097         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
9098         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
9099         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
9100         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
9101         * c-common.c (c_do_switch_warnings_1): New static function broken
9102         out of c_do_switch_warnings.
9103         (c_do_switch_warnings): Call c_do_switch_warnings_1.
9104         (c_do_switch_expr_warnings): New function.
9105         * c-common.h (c_do_switch_expr_warnings): Declare.
9106
9107 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
9108             Daniel Jacobowitz  <dan@codesourcery.com>
9109
9110         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
9111         trapping divide.
9112         * rtlanal.c (may_trap_p): Same.
9113
9114 2005-04-04  Dale Johannesen  <dalej@apple.com>
9115
9116         * ChangeLog:  remove reference to ChangeLog.12.
9117
9118 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
9119
9120         CRIS epilogue as RTL.
9121         * config/cris/cris.md: Change all 0 in unspec 0 to
9122         CRIS_UNSPEC_PLT.
9123         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
9124         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
9125         patterns.
9126         ("return"): Change to define_expand.  Call cris_expand_return for
9127         actual expansion.
9128         ("*return_expanded"): New pattern.
9129         ("epilogue"): New define_expand.
9130         * config/cris/cris.h (PREDICATE_CODES): Add
9131         cris_load_multiple_op.
9132         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
9133         type.
9134         (enum cris_retinsn_type): New.
9135         (struct machine_function): New member return_type.
9136         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
9137         (cris_target_asm_function_epilogue): Remove, moving RTLified
9138         contents to...
9139         (cris_expand_epilogue): New function.
9140         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
9141         (cris_gen_movem_load, cris_load_multiple_op)
9142         (cris_return_address_on_stack_for_return, cris_expand_return): New
9143         functions.
9144         (cris_target_asm_function_prologue)
9145         (cris_initial_frame_pointer_offset): Call
9146         cris_reg_saved_in_regsave_area instead of complicated expression.
9147         Call cris_return_address_on_stack instead of an expression.
9148         (cris_print_operand) <case 'o', case 'O'>: New cases.
9149         (cris_return_address_on_stack): Change return-type to bool.
9150         (cris_simple_epilogue): Ditto.  Return false if registers are
9151         saved.
9152         * config/cris/cris-protos.h (cris_simple_epilogue)
9153         (cris_return_address_on_stack): Adjust prototype return type.
9154         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
9155         (cris_return_address_on_stack_for_return): New prototypes.
9156
9157 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
9158
9159         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
9160         gpr_or_int12_operand.
9161
9162         * config/frv/frv-protos.h: Add a prototype to
9163         frv_legitimate_memory_operand and frv_const_unspec_p.
9164         (frv_unspec): Move from frv.c.
9165         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
9166         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
9167         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
9168         gpr_or_fpr_operand, gpr_or_int12_operand,
9169         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
9170         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
9171         int6_operand, int5_operand, uint5_operand, uint4_operand,
9172         uint1_operand, int_2word_operand, uint16_operand,
9173         upper_int16_operand, integer_register_operand,
9174         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
9175         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
9176         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
9177         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
9178         move_destination_operand, movcc_fp_destination_operand,
9179         frv_function_symbol_referenced_p, move_source_operand,
9180         condexec_dest_operand, condexec_source_operand,
9181         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
9182         const_unspec_operand, gpr_or_memory_operand,
9183         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
9184         icc_operand, fcc_operand, cc_operand, icr_operand,
9185         fcr_operand, cr_operand, call_operand, sibcall_operand,
9186         symbolic_operand, relational_operator,
9187         integer_relational_operator, float_relational_operator,
9188         ccr_eqne_operator, minmax_operator,
9189         condexec_si_binary_operator, condexec_si_media_operator,
9190         condexec_si_divide_operator, condexec_si_unary_operator,
9191         condexec_sf_conv_operator, condexec_sf_add_operator,
9192         condexec_memory_operand, intop_compare_operator, acc_operand,
9193         even_acc_operand, quad_acc_operand, accg_operand: Move to
9194         predicates.md.
9195         * config/frv/frv.h (PREDICATE_CODES): Remove.
9196         * config/frv/frv.md: Include predicates.md.
9197         * config/frv/predicates.md: New.
9198
9199 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
9200
9201         PR target/19537
9202         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
9203         * tree-ssa-loop-ivopts.c: Include langhooks.h.
9204         (add_standard_iv_candidates_for_size): New function, extracting code
9205         from add_standard_iv_candidates and parameterizing it by type size.
9206         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
9207
9208 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
9209
9210         * system.h (GCOV_SIZE_TYPE): Unposion.
9211         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
9212         (GCOV_TYPE_SIZE): ...this new macro.
9213         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
9214         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
9215         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
9216         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
9217         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
9218         instead of unsigned_intSI_type_node.
9219         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
9220         (rtl_gen_one_value_profiler_no_edge_manipulation)
9221         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
9222         * value-prof.c: Include coverage.h.
9223
9224 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
9225             Diego Novillo <dnovillo@redhat.com>
9226
9227         Fix PR tree-optimization/20703
9228         Fix PR tree-optimization/20725
9229
9230         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
9231         (create_expression_by_pieces): Ditto.
9232         (valid_in_set): Ditto. Also handle tcc_declaration.
9233         (find_or_generate_expression): Handle comparison class.
9234         (insert_into_preds_of_block): Ditto.
9235         (insert_aux): Ditto.
9236         (create_value_expr_from): Handle comparison class, recursively
9237         handle reference nodes.
9238         (compute_avail): Handle comparison classes, rewrite a little cleaner.
9239         (execute_pre): Fix spacing.
9240         (do_fre): Renamed to execute_fre.
9241
9242 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9243
9244         * doc/invoke.texi (SPARC options): Document that
9245         -mlittle-endian is not supported on Linux either.
9246
9247 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9248
9249         PR target/4198
9250         PR target/12027
9251         * config.gcc (Obsolete configurations): Remove
9252         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
9253         (sparclite-*-coff*): Delete.
9254         (sparclite-*-elf*): Likewise.
9255         (sparc86x-*-elf*): Likewise.
9256         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
9257         * config/sparc/lite.h: Delete.
9258         * config/sparc/litecoff.h: Likewise.
9259         * config/sparc/liteelf.h: Likewise.
9260         * config/sparc/sp86x-elf.h: Likewise.
9261         * config/sparc/t-sparclite: Likewise.
9262         * config/sparc/t-sp86x: Likewise.
9263
9264 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
9265
9266         * config/s390/s390-protos.h: (s390_comparison,
9267         s390_alc_comparison, s390_slb_comparison, const0_operand,
9268         consttable_operand, larl_operand, s_operand,
9269         shift_count_operand, bras_sym_operand, load_multiple_operation,
9270         store_multiple_operation, s390_plus_operand): Remove prototypes.
9271         (s390_legitimate_address_without_index_p): New prototype.
9272         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
9273         to s390.h.
9274         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
9275         const0_operand, consttable_operand, larl_operand, s_operand,
9276         shift_count_operand, bras_sym_operand, load_multiple_operation,
9277         store_multiple_operation, s390_plus_operand): Move to
9278         predicates.md.
9279         (check_mode): Remove.
9280         (s390_branch_condition_mask): Remove 'static'. Move prototype to
9281         s390-protos.h.
9282         (s390_legitimate_address_without_index_p): New.
9283         * config/s390/s390.h (PREDICATE_CODES): Remove.
9284         * config/s390/s390.md: Include predicates.md.
9285         * config/s390/predicates.md: New.
9286
9287 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
9288
9289         PR target/20446
9290         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
9291         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
9292         (NEED_INDICATE_EXEC_STACK): Define to 1.
9293         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
9294         (NEED_INDICATE_EXEC_STACK): Define to 1.
9295         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
9296         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
9297         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
9298         (pic_helper_emitted_p): New global.
9299         (emit_pic_helper): New function extracted from...
9300         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
9301         Do not call emit_pic_helper if delay_pic_helper is true.
9302         (sparc_expand_prologue): Pass 'false' to load_pic_register.
9303         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
9304         (sparc_file_end): New function.
9305
9306 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
9307
9308         * config/mcore/mcore-protos.h: Remove the prototypes for
9309         mcore_arith_reg_operand, mcore_general_movsrc_operand,
9310         mcore_general_movdst_operand, mcore_reload_operand,
9311         mcore_arith_J_operand, mcore_arith_K_operand,
9312         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
9313         mcore_arith_K_S_operand, mcore_arith_imm_operand,
9314         mcore_arith_any_imm_operand, mcore_arith_O_operand,
9315         mcore_literal_K_operand, mcore_addsub_operand,
9316         mcore_compare_operand, mcore_load_multiple_operation,
9317         mcore_store_multiple_operation, mcore_call_address_operand.
9318         Add a prototype for const_ok_for_mcore.
9319         * config/mcore/mcore.c (mcore_call_address_operand,
9320         mcore_general_movsrc_operand, mcore_general_movdst_operand,
9321         mcore_arith_reg_operand, mcore_reload_operand,
9322         mcore_arith_J_operand, mcore_arith_K_operand,
9323         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
9324         mcore_arith_M_operand, mcore_arith_imm_operand,
9325         mcore_arith_any_imm_operand, mcore_arith_O_operand,
9326         mcore_literal_K_operand, mcore_addsub_operand,
9327         mcore_compare_operand, mcore_load_multiple_operation,
9328         mcore_store_multiple_operation): Move to predicates.md.
9329         (const_ok_for_mcore): Export.
9330         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
9331         * config/mcore/mcore.md: Include predicates.md.
9332         * config/mcore/predicates.md: New.
9333
9334         * config/mcore/predicates.md: Fix a comment typo.
9335
9336 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
9337             Adrian Straetling  <straetling@de.ibm.com>
9338
9339         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
9340         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
9341         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
9342         attribute.
9343         ("imul"): Removed from "type" attribute.
9344         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
9345         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
9346         Changed type to imulsi.
9347         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
9348
9349 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
9350
9351         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
9352         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
9353         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
9354         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
9355         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
9356         (TARGET_SWITCHES, mcore_stack_increment_string)
9357         (TARGET_OPTIONS): Delete.
9358         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
9359         than *_BIT constants.
9360         (TARGET_8ALIGN): #undef old definition before redefining to 1.
9361         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
9362         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
9363         (mcore_override_options): Delete mcore_stack_increment code.
9364         Change use of M340_BIT to MASK_M340.
9365         * config/mcore/mcore.opt: New file.
9366
9367 2005-04-04  Ian Lance Taylor  <ian@airs.com>
9368
9369         * config/arm/arm.c (replace_symbols_in_block): Remove static
9370         function.
9371
9372 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
9373
9374         * config/fr30/fr30-protos.h: Remove the prototypes for
9375         stack_add_operand, add_immediate_operand,
9376         high_register_operand, low_register_operand, call_operand,
9377         di_operand, and nonimmediate_di_operand.
9378         * config/fr30/fr30.c (stack_add_operand,
9379         add_immediate_operand, high_register_operand,
9380         low_register_operand, call_operand, di_operand,
9381         nonimmediate_di_operand): Move to predicates.md.
9382         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
9383         * config/fr30/fr30.md: Include predicates.md.
9384         * config/fr30/predicates.md: New.
9385
9386         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
9387         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
9388         mcore_call_address_operand.
9389
9390         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
9391         general_movsrc_operand.
9392
9393 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
9394
9395         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
9396         after freeing.
9397
9398 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
9399
9400         PR target/14812
9401         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
9402         a negated value.
9403
9404 2005-04-04  Richard Henderson  <rth@redhat.com>
9405             Jakub Jelinek  <jakub@redhat.com>
9406
9407         PR rtl-optimization/16104
9408         * fold-const.c (fold_unary): Fix folding of vector conversions.
9409
9410 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
9411
9412         * config.gcc (xstormy16-*-elf): Set extra_options.
9413         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
9414         * config/stormy16/stormy16.opt: New file.
9415
9416 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
9417
9418         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
9419         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
9420         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
9421         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
9422         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
9423         (TARGET_UNIX_ASM): Delete.
9424         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
9425         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
9426         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
9427         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9428         * config/pdp11/pdp11.opt: New file.
9429
9430 2005-04-03  Roger Sayle  <roger@eyesopen.com>
9431             Alexandre Oliva  <aoliva@redhat.com>
9432
9433         PR c++/19199
9434         * fold-const.c (non_lvalue): Split tests into...
9435         (maybe_lvalue_p): New function.
9436         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
9437         C++ front-end prior to lowering into gimple form.
9438
9439 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9440
9441         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
9442         BUILT_IN_STRNCASECMP): New.
9443         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
9444         and strndup.
9445
9446 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
9447
9448         PR target/14812
9449         * arm.md (addsi3_compare0_for_combiner): Delete.
9450         (addsi3_compare0_scratch_for_combiner): Delete.
9451         (cmpsi_neg_shiftsi): Delete.
9452         (compare_negsi_si): New pattern.
9453         (cmpsi_negshiftsi_si): New pattern.
9454         (negated_cbranchsi4): Restrict to equality_operator.
9455
9456         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
9457         template.
9458
9459 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
9460
9461         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
9462         Fix comment typos.
9463
9464         * doc/install.texi: Fix a typo.
9465
9466 2005-04-03  Steven Bosscher  <stevenb@suse.de>
9467
9468         PR middle-end/20648
9469         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
9470         a computed goto if the edge to the computed goto block has
9471         incoming abnormal edges.  Clarify how the function works.
9472
9473 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
9474
9475         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
9476         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
9477         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
9478         hash_scan_set, reg_set_between_after_reload_p,
9479         reg_used_between_after_reload_p, get_avail_load_store_reg,
9480         eliminate_partially_redundant_load): Likewise.
9481         * postreload.c (reload_cse_simplify_set,
9482         reload_combine_note_use): Likewise.
9483         * predict.c (predict_insn, expected_value_to_br_prob,
9484         propagate_freq, expensive_function_p): Likewise.
9485         * print-rtl.c (print_rtx): Likewise.
9486         * profile.c (instrument_edges, instrument_values,
9487         compute_branch_probabilities, branch_prob, union_groups,
9488         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
9489         * protoize.c (in_system_include_dir, file_could_be_converted,
9490         file_normally_convertible, gen_aux_info_file, seek_to_line,
9491         do_cleaning): Likewise.
9492         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
9493         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
9494         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
9495
9496 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
9497
9498         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
9499         * modulo-sched.c (undo_replace_buff_elem): New structure.
9500         (kernel_number_of_cycles, ps_unschedule_node,
9501         undo_generate_reg_moves,free_undo_replace_buff,
9502         undo_permute_partial_schedule,  loop_single_full_bb_p,
9503         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
9504         build_loops_structure, get_sched_window): New.
9505         (generate_reg_moves): Return undo_replace_buff_elem and other
9506         fixes.
9507         (generate_prolog_epilog): Remove old loop versioning.
9508         (sms_schedule): Use loop information and loop_version.
9509         (sms_schedule_by_order): Split part of it to get_sched_window.
9510         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
9511         cfg_layout_finalize and free_dominance_info before/after SMS.
9512
9513 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
9514
9515         * cfghooks.c (lv_flush_pending_stmts,
9516         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
9517         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
9518         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
9519         lv_add_condition_to_bb,
9520         lv_adjust_loop_header_phi, extract_cond_bb_edges,
9521         flush_pending_stmts): New in cfg_hooks structure.
9522         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
9523         extract_cond_bb_edges, lv_adjust_loop_header_phi,
9524         lv_add_condition_to_bb): New declarations.
9525         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
9526         bool.
9527         (loop_version): Declare.
9528         * cfgloopmanip.c (cfghooks.h): Include.
9529         (duplicate_loop_to_header_edge): Change return type to bool.
9530         (loop_version, lv_adjust_loop_entry_edge): Move here.
9531         * cfgrtl.c (cfgloop.h): Include.
9532         (rtl_verify_flow_info_1): Fix.
9533         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
9534         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
9535         initialization.
9536         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
9537         tree_lv_add_condition_to_bb): New.
9538         (tree_cfg_hooks): Add new hooks to initialization.
9539         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
9540         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
9541
9542 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
9543
9544         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
9545         xstormy16_below100_or_register,
9546         xstormy16_splittable_below100_or_register, and
9547         nonimmediate_nonstack_operand.
9548
9549         * config/stormy16/stormy16-protos.h: Remove the prototypes for
9550         xstormy16_ineqsi_operator, equality_operator,
9551         inequality_operator, shift_operator,
9552         xstormy16_below100_operand, xstormy16_below100_or_register,
9553         xstormy16_splittable_below100_or_register,
9554         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
9555         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
9556         equality_operator, inequality_operator,
9557         xstormy16_below100_operand, xstormy16_below100_or_register,
9558         xstormy16_splittable_below100_or_register,
9559         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
9560         nonimmediate_nonstack_operand, shift_operator): Move to
9561         predicates.md.
9562         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
9563         * config/stormy16/stormy16.md: Include predicates.md.
9564         * config/stormy16/predicates.md: New.
9565
9566 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
9567
9568         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
9569         small_int, large_int, reg_or_0_operand, simple_memory_operand,
9570         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
9571         move_operand, power_of_2_operand): Move to predicates.md.
9572         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
9573         PREDICATE_CODE): Remove.
9574         * config/iq2000/iq2000.md: Include predicates.md.
9575         * config/iq2000/predicates.md: New.
9576
9577 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
9578
9579         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
9580         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
9581         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
9582         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
9583         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
9584         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
9585         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
9586         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
9587         (TARGET_M68HC11): Delete.
9588         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
9589         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
9590         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
9591         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
9592         (nb_soft_regs): Delete.
9593         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
9594         (m68hc11_override_options): Remove the code that caters for MASK_M6811
9595         and MASK_M6812 being set simultaneously.  Change the code that sets
9596         the default m68hc11_soft_reg_count to use integers instead of strings.
9597         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
9598         m68hc11_soft_reg_count (which now has an int type) as the number
9599         of soft registers.
9600         * config/m68hc11/m68hc11.opt: New file.
9601
9602 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
9603
9604         * config/fr30/fr30.h (PREDICATE_CODES): Remove
9605         fp_displacement_operand, sp_displacement_operand.
9606
9607         * config/m68hc11/m68hc11-protos.h: Add a prototype for
9608         m68hcc_auto_inc_p.
9609         Remove the prototypes for tst_operand, cmp_operand,
9610         stack_register_operand, d_register_operand,
9611         hard_addr_reg_operand, splitable_operand,
9612         m68hc11_logical_operator, m68hc11_arith_operator,
9613         m68hc11_non_shift_operator, m68hc11_shift_operator,
9614         m68hc11_unary_operator, m68hc11_eq_compare_operator,
9615         non_push_operand, hard_reg_operand, and
9616         reg_or_some_mem_operand.
9617         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
9618         extern.
9619         (tst_operand, cmp_operand, non_push_operand,
9620         splitable_operand, reg_or_some_mem_operand,
9621         stack_register_operand, d_register_operand,
9622         hard_addr_reg_operand, hard_reg_operand,
9623         m68hc11_eq_compare_operator, m68hc11_logical_operator,
9624         m68hc11_arith_operator, m68hc11_non_shift_operator,
9625         m68hc11_shift_operator, m68hc11_unary_operator): Move to
9626         predicates.md.
9627         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
9628         * config/m68hc11/m68hc11.md: Include predicates.md.
9629         * config/m68hc11/predicates.md: New.
9630
9631 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9632
9633         PR debug/19345
9634         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
9635         change checked in along with 2005-03-03's patch for debug/20253.
9636         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
9637         (remap_decl): Insert type decl in map earlier.
9638
9639 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9640
9641         PR tree-optimization/20640
9642         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
9643         post-dominator if it has phi nodes.
9644         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
9645         before dead statements.
9646
9647 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9648
9649         PR middle-end/20491
9650         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
9651
9652 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9653
9654         PR rtl-optimization/20290
9655         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
9656         in every iteration if the entry point is the exit test.
9657
9658 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
9659
9660         * config/cris/cris.md (attribute "length"): Define.
9661
9662 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
9663
9664         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
9665         (word_offset_memref_operand): New.
9666         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
9667         (indexed_or_indirect_operand): Delete.
9668         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
9669         (indexed_or_indirect_operand): Delete.
9670
9671         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
9672
9673         PR 20650
9674         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
9675         a register.
9676
9677         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
9678         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
9679
9680 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9681
9682         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
9683
9684 2005-04-01  Ian Lance Taylor  <ian@airs.com>
9685
9686         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
9687         (rus, prus): Remove static variables.
9688         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
9689         (process_command): Permit report_times and use_pipes together.
9690
9691 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
9692
9693         * c-decl.c (validate_proto_after_old_defn): Look at
9694         TYPE_MAIN_VARIANT of argument types.
9695
9696 2005-04-01  Paul Brook  <paul@codesourcery.com>
9697
9698         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
9699         (arm_output_function_epilogue): Allow call_via_SP.
9700         (thumb_call_via_reg, arm_file_end): Ditto.
9701         * config/arm/arm.h (struct machine_function): Include space for SP.
9702         (thumb_call_via_label): Update declaration.
9703
9704 2005-04-01  Ian Lance Taylor  <ian@airs.com>
9705
9706         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
9707         doing a peephole optimization, once again put any notes in the
9708         proper position.
9709
9710 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9711
9712         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
9713
9714 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
9715
9716         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
9717         (block_alloc, find_free_reg): Likewise.
9718         * loop-doloop.c (doloop_modify): Likewise.
9719         * loop-invariant.c (record_use): Likewise.
9720         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
9721         get_iv_value, canon_condition, eliminate_implied_condition,
9722         eliminate_implied_condition, simplify_using_initial_values,
9723         shorten_into_mode, canonicalize_iv_subregs,
9724         iv_number_of_iterations): Likewise.
9725         * loop-unroll.c (expand_var_during_unrolling): Likewise.
9726         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
9727         unswitch_loop): Likewise.
9728         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
9729         move_movables, replace_call_address, find_and_verify_loops,
9730         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
9731         record_giv, final_giv_value, general_induction_var,
9732         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
9733         loop_giv_dump): Likewise.
9734
9735         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
9736         GCOV_CHECK_WRITING): Remove.
9737         (gcov_position, gcov_rewrite): Use gcc_assert.
9738         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
9739         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
9740         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
9741         gcc_assert.
9742
9743 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9744
9745         * tree-inline.c: Fix a typo.
9746
9747 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
9748
9749         * configure.ac (enable-checking): Explicitly set all variables for
9750         collective switch values.  Alphabetize variables. Rename
9751         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
9752         synonym for 'no'.
9753         * doc/install.texi (enable-checking): Update documentation.
9754         * configure: Rebuilt.
9755
9756 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9757
9758         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
9759         possible.
9760
9761 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
9762
9763         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
9764         Also reject cases where this pattern will cause load delay stalls
9765         unless optimizing for size and it will produce a shorter sequence.
9766         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
9767         variants to avoid pre-adjusting the base when possible.
9768
9769 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
9770
9771         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
9772         the frame and argument pointers.
9773         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
9774         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
9775         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
9776         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
9777         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
9778         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
9779
9780 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
9781
9782         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
9783         with entry for selectany attribute.
9784         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
9785         Declare.
9786         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
9787         (i386_pe_asm_named_section): Handle sections generated by
9788         selectany attribute.
9789         * doc/extend.texi (selectany): Document attribute.
9790
9791 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
9792             Jan Hubicka  <jh@suse.cz>
9793
9794         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
9795         to fix addresses involving EBP and ESP.
9796         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
9797         for SUBREGed registers.
9798         (legitimate_address_p): Accept SUBREGed registers.
9799
9800 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
9801
9802         PR c++/19406
9803         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
9804         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
9805         for FIELD_DECLs.
9806
9807 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9808
9809         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
9810
9811 2005-04-01  James E Wilson  <wilson@specifixinc.com>
9812
9813         PR c++/20505
9814         * dwarf2out.c (rtl_for_decl_init): New function.
9815         (rtl_for_decl_location): Extracted from here.
9816         (tree_add_const_value_attribute): Call rtl_for_decl_init and
9817         add_const_value_attribute.  Delete initializer_constant_valid_p call.
9818
9819 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9820
9821         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
9822         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
9823         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
9824         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
9825         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
9826         config/i386/i386.md, config/rs6000/predicates.md,
9827         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
9828         config/s390/s390.c, config/stormy16/stormy16.c,
9829         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
9830         typos.
9831
9832 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
9833
9834         PR c/17855
9835         * gimplify.c (gimplify_expr): Create a temporary for lvalue
9836         COND_EXPR and CALL_EXPR.
9837
9838 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9839
9840         PR target/20632
9841         * genautomata.c (first_cycle_unit_presence): Check all alternative
9842         states for unit presence.
9843
9844         * doc/md.texi: Remove remark about impossibility to query unit
9845         presence in non nondeterministic automaton state.
9846
9847         * config/ia64/ia64.c (get_template): Change order of unit querying.
9848
9849 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9850
9851         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
9852         obsolete comment.
9853
9854 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
9855
9856         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
9857         flag for edges outside any loops.
9858
9859 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
9860
9861         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
9862
9863 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9864
9865         * tree-ssa-alias.c: Follow spelling conventions.
9866         * doc/tree-ssa.texi: Fix a typo.
9867
9868 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
9869
9870         * postreload-gcse.c: Include target.h.
9871         (gcse_after_reload_main): Return early if we cannot modify jumps.
9872         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
9873
9874 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
9875
9876         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
9877         expensive operations.
9878
9879 2005-03-31  Ian Lance Taylor  <ian@airs.com>
9880
9881         * collect2.c (lderrout): New variable.
9882         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
9883         if it is set, to stderr.
9884         (handler): Unlink lderrout if it is set.
9885         (dump_file): Add "to" parameter.  Change all callers.
9886         (main): Initialize lderrout.
9887         (collect_execute): Add errname parameter.  Change all callers.
9888         Rename redir parameter to outname.  Never pass
9889         PEX_STDERR_TO_STDOUT to pex_run.
9890         * collect2.h (collect_execute, dump_file): Update declarations.
9891         * tlink.c (tlink_execute): Add errname parameter.  Change all
9892         callers.
9893         (do_tlink): Check lderrout as well as ldout.
9894
9895 2005-03-31  Caroline Tice  <ctice@apple.com>
9896
9897         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
9898         (bb-reorder.o): Add errors.h to list of requirements.
9899         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
9900         profiledbootstrap flags.
9901         * bb-reorder.c (errors.h): Add new include.
9902         (struct bbro_basic_block_data_def): Add new field, in_trace.
9903         (add_unlikely_executed_notes):  Remove function.
9904         (mark_bb_for_unlikely_executed_section): Remove function.
9905         (insert_section_boundary_note): New function.
9906         (verify_hot_cold_block_grouping): New function.
9907         (push_to_next_round_p): Remove variables and tests that push all
9908         cold blocks to last round.
9909         (find_traces): Remove code that added extra round of trace finding
9910         when doing partitioning.
9911         (find_traces_1_round) :  Remove variable last_round;  add code to
9912         update new struct field, in_trace; correct trace_length where it was
9913         incorrect before (after call to copy_bb); change code that pushed all
9914         cold blocks to last round. Instead verify that all blocks going into
9915         a trace belong in the same partition.
9916         (connect_traces): Modify to connect the traces in two passes, if the
9917         function contains both hot and cold blocks.  The first pass connects
9918         all the traces for blocks in the partition that the first block in
9919         the function belongs to; the second pass connnects all the traces
9920         containing blocks that belong in the other partition.
9921         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
9922         code that automatically put the first block in a function into the
9923         hot partition if the function had any hot blocks.
9924         (fix_crossing_unconditional_branches): Check number of succ edges
9925         before attempting to get one.
9926         (fix_edges_for_rarely_executed_code):  Update comment describing
9927         function.
9928         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
9929         remove call to add_unlikely_executed_notes; add call to
9930         verify_hot_cold_block_grouping.
9931         (duplicate_computed_gotos): Don't change computed goto if it's a
9932         crossing edge.
9933         (partition_hot_cold_basic_blocks):  Update function comment.
9934         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
9935         condition.
9936         (try_forward_edges): Likewise.
9937         (merge_blocks_move_predecessor_nojumps): Likewise.
9938         (merge_blocks_move_successor_nojumps): Likewise.
9939         (merge_blocks_move): Likewise.
9940         (try_crossjump_bb): Likewise.
9941         * cfglayout.c (update_unlikely_executed_notes): Remove function.
9942         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
9943         notes to cold bb's; remove call to update_unlikely_executed_notes.
9944         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
9945         NOTE_INSN_SWITCH_TEXT_SECTIONS.
9946         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
9947         function declaration.
9948         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
9949         from consideration.
9950         (rtl_can_merge_blocks): Remove redundancy from condition.
9951         (try_redirect_by_replacing_jump): Likewise.
9952         (force_nonfallthru_and_redirect): Remove code for adding
9953         UNLIKELY_EXECUTED_CODE notes to cold bb's.
9954         (commit_one_edge_insertion): Likewise.
9955         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
9956         * dbxout.c (FORCE_TEXT): Replace function_section with
9957         current_function_section.
9958         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
9959         function, switch_text_section.
9960         (struct xcoff_debug): Likewise.
9961         (dbxout_function_end): Add code to put out label diffs for both
9962         hot and cold sections.
9963         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
9964         for new debug_hooks funciton, switch_text_section..
9965         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
9966         switch_text_section.
9967         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
9968         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
9969         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
9970         dw_fde_switched_sections.
9971         (output_call_frame_info):  Add test to see if function switches text
9972         sections in the middle; if so, use appropriate extra hot and cold
9973         section labels to compute size deltas for the hot and cold sections.
9974         (dwarf2out_begin_prologue): Add code to initialize new fields in
9975         dw_fde_struct.
9976         (dwarf2out_switch_text_section): New function (invoked through
9977         debug_hook); updates new fields in dw_fde_struct appropriately and
9978         increments separate_line_info_table_in_use.
9979         (dwarf2_debug_hooks): Initialize switch_text_section function to be
9980         dwarf2out_switch_text_section.
9981         (struct var_loc_node): Add new field, section_label.
9982         (output_aranges): Add code to check whether in hot or cold section and
9983         use the appropriate label in calculating deltas.
9984         (output_ranges): Likewise.
9985         (output_line_info): Add code to check which section we're in and
9986         use appropriate hot/cold label.
9987         (add_location_or_constant_value_attribute): Likewise.
9988         (gen_subprogam_die): Modify arange attributes to use correct labels.
9989         (dwarf2out_begin_block): Change call to function_section into call to
9990         current_function_section.
9991         (dwarf2out_end_block): Likewise.
9992         (dwarf2out_source_line): Likewise.
9993         (dwarf2out_var_location): Add code to check whether in hot or cold
9994         section and use the appropriate label.
9995         * except.c (output_function_exception_table): Change call to
9996         function_section into call to current_function_section.
9997         * final.c (profile_function): Likewise.
9998         (scan_ahead_for_unlikely_executed_note): Remove function.
9999         (final_scan_insn):  Remove calls to
10000         scan_ahead_for_unlikely_executed_note, and related code for switching
10001         to cold section, except for the single time
10002         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
10003         debug_hooks->switch_text_sections; replace appropriate calls to
10004         function_section with calls to current_function_section.
10005         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
10006         test_bb to condition.
10007         (find_if_case_2): Likewise.
10008         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
10009         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
10010         * opts.c (decode_options): Change warning about hot/cold partitioning
10011         with exceptionss to inform (so as not to cause bootstrap failures);
10012         remove warning about partitioning with DWARF debug info.
10013         * output.h (current_function_section): Add new function decl.
10014         (insert_section_boundary_note): Likewise.
10015         (enum in_section): Move this declaration here from varasm.c.
10016         (unlikely_section_label): Likewise.
10017         (unlikely_text_section_name): Likewise.
10018         (last_text_section_name): New global variable.
10019         (last_text_section): Likewise.
10020         (hot_section_label): Likewise.
10021         (hot_section_end_label): Likewise.
10022         (cold_section_end_label): Likewise.
10023         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
10024         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
10025         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
10026         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
10027         insn from consideration.
10028         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
10029         switch_text_section.
10030         * varasm.c (basic-block.h): Add new include.
10031         (unlikely_section_label_printed): Remove global variable.
10032         (unlikely_section_label): Make global variable not be static any more.
10033         (unlikely_text_section_name): Likewise.
10034         (hot_section_end_label): New global variable (not static)
10035         (first_function_block_is_cold): Likewise.
10036         (hot_section_label): Likewise.
10037         (cold_section_end_label): Likewise..
10038         (last_text_section): New global variable, not static.
10039         (last_text_section_name): New global variable, not static.
10040         (initialize_cold_section_name): New function.
10041         (enum in_section): Move declaration to output.h.
10042         (text_section): Update last_text_section.
10043         (unlikely_text_section): Replace code to determine cold section name
10044         with call to initialize_cold_section_name; Add code to update
10045         last_text_section; remove code for printing out label.
10046         (named_section_real): Add code to update last_text_section and
10047         last_text_section_name as appropriate.
10048         (function_section): Change test for 'unlikely' to depend on
10049         first_function_block_is_cold (moved old test to
10050         current_function_section).
10051         (current_function_section): New function.
10052         (assemble_start_function): Move code that frees
10053         unlikely_text_section_name; initialize hot_section_end_label;
10054         print hot and cold section labels at the start of the function;
10055         set first_function_block_is_cold, if appropriate; initialize l
10056         ast_text_section; add call to insert_section_boundary_note.
10057         (assemble_end_function):  Add code to write out hot and cold section
10058         end labels.
10059         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
10060         switch_text_section.
10061         * config/darwin.c (machopic_select_section): Replace incorrect
10062         function in base_funs; update reloc for cold sections if necessary.
10063         * config/darwin.h (SECTION_FUNCTION):  Add code to update
10064         last_text_section if appropriate.
10065         (text_unlikely_section): Remove.
10066         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
10067         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
10068         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
10069         partitioning for this architecture.
10070
10071 2005-03-31  Olivier Hainque  <hainque@adacore.com>
10072
10073         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
10074         defined and non-zero.
10075
10076 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10077
10078         PR c++/18644
10079         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
10080         semantics.
10081
10082 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
10083
10084         PR target/20611
10085         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
10086         label operand.  Remove (use (unspec..)).  Don't emit a label on
10087         the offset word.
10088         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
10089         generate inline label for load_toc_v4_PIC_1b.
10090         (rs6000_emit_load_toc_table): Likewise.
10091
10092 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
10093
10094         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
10095         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
10096
10097 2005-03-29  Devang Patel  <dpatel@apple.com>
10098
10099         * tree-sra.c (decide_block_copy): Disable scalarization of
10100         sub-elements.
10101
10102 2005-03-30  Stuart Hastings  <stuart@apple.com>
10103             Dale Johannesen  <dalej@apple.com>
10104
10105         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
10106         * print-tree.c (print_node):  Add case STATEMENT_LIST.
10107
10108 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
10109
10110         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
10111         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
10112         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
10113         is given with "powerpc64*" or "all", or when --with-cpu chooses
10114         a 64-bit cpu.
10115
10116 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
10117
10118         PR debug/20268
10119         * dwarf2out.c (add_high_low_attributes): New function, extracted from
10120         gen_lexical_block_die.
10121         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
10122
10123 2005-03-31  Jan Hubicka  <jh@suse.cz>
10124
10125         2004-11-02  Jan Hubicka  <jh@suse.cz>
10126
10127         * cgraph.c (cgraph_varpool_node_name): New function.
10128         (dump_cgraph_varpool_node): New function.
10129         (dump_varpool): New function.
10130         * cgraphunit.c (cgraph_optimize): Dump varpool.
10131
10132         2004-10-16  Jan Hubicka  <jh@suse.cz>
10133
10134         * cgraph.c (decide_is_variable_needed): New function.
10135         (cgraph_varpool_finalize_decl): Use it.
10136         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
10137         unit-at-a-time.
10138         * final.c (output_addr_const): Do not call mark_referenced.
10139         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
10140         always go via cgraph.
10141         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
10142         (check_global_declarations): Ifdef out code clearing DECL_RTL.
10143         * tree-optimize.c (execute_inline): Mark functions called.
10144         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
10145
10146         2004-10-11  Jan Hubicka  <jh@suse.cz>
10147
10148         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
10149         (cgraph_varpool_last_needed_node): New static variable.
10150         (enqueue_needed_varpool_node): Break out from ...; add items to the
10151         end of queue; update first pointers.
10152         (cgraph_varpool_mark_needed_node): ... here.
10153         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
10154         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
10155         * cgraph.h (cgraph_varpool_node): Add analyzed field.
10156         (cgraph_varpool_first_unanalyzed_node): Declare.
10157         * cgraphunit.c: Include output.h.
10158         (cgraph_varpool_analyze_pending_decls): New function.
10159         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
10160         for errors, analyze pending decls.
10161         (cgraph_finalize_compilation_unit): Only analyze decls.
10162         (cgraph_optimize): Assemble the decls after expanding.
10163
10164 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
10165
10166         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
10167         subvars get marked properly in tags for grouping.
10168         (add_pointed_to_var): Mark only actual pointed to
10169         variables/subvars in addresses needed.
10170         (create_overlap_variables_for): Clear call clobbered on original
10171         variable.
10172         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
10173         addresable vars with subvars into list.
10174         * tree-ssa.c (verify_ssa_name): Verify original is not used where
10175         subvar should be.
10176
10177 2005-03-30  Richard Henderson  <rth@redhat.com>
10178
10179         * cgraph.h (struct cgraph_node): Add alias.
10180         * varasm.c (assemble_alias): Set it.
10181         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
10182         avoid calling cgraph_expand_function.
10183
10184 2005-03-30  Tom Tromey  <tromey@redhat.com>
10185
10186         * tree.def (FILE_TYPE): Removed.
10187         * typeclass.h (enum type_class): Removed file_type_class.
10188         * dwarf2out.c (is_base_type): Updated.
10189         (gen_type_die): Likewise.
10190         * dbxout.c (dbxout_type): Updated.
10191         * builtins.c (type_to_class): Updated.
10192         * tree.c (type_contains_placeholder_1): Updated.
10193         * config/sparc/sparc.c (sparc_type_code): Updated.
10194         * config/ia64/ia64.c (hfa_element_mode): Updated.
10195         * expr.c (count_type_elements): Updated.
10196         * stor-layout.c (layout_type): Updated.
10197         * tree-inline.c (remap_type): Updated.
10198         * tree-pretty-print.c (dump_generic_node): Updated.
10199
10200 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
10201
10202         * builtins.c (expand_builtin_powi): Fix mode of
10203         2nd argument to match int.
10204         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
10205         2nd argument type to int.
10206         * libgcc2.c: Change prototype of __powi* functions to use
10207         int.
10208
10209 2005-03-30  Dale Johannesen  <dalej@apple.com>
10210
10211         PR middle-end/19225
10212         * calls.c (expand_call):  Flush pending deferrals before
10213         throwing call.
10214
10215 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
10216
10217         PR c/772
10218         PR c/17913
10219         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
10220         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
10221         c_label_context, label_context_stack): New.
10222         * c-decl.c (define_label): Check for jumps into statement
10223         expressions.  Add label to list of defined labels.
10224         (start_function): Push context on label_context_stack.
10225         (finish_function): Pop context from label_context_stack.
10226         * c-typeck.c (label_context_stack): New.
10227         (c_finish_goto_label): Check for jumps into statement
10228         expressions.  Add label to list of jumped to labels.
10229         (struct c_switch): Add blocked_stmt_expr.
10230         (c_start_case): Initialize it.
10231         (do_case): Check it.
10232         (c_finish_case): Verify !blocked_stmt_expr.
10233         (c_begin_stmt_expr):  Push context on label_context_stack.
10234         Increment blocked_stmt_expr.  Mark labels jumped to from outside
10235         as undefinable.
10236         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
10237         defined in the statement expression and no longer jumpable to.
10238         Mark labels jumped to from just outside the statement expression
10239         as again definable.  Pop context from label_context_stack.
10240         * doc/extend.texi (Statement Exprs): Update.
10241
10242 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
10243
10244         PR c/20368
10245         * c-decl.c (start_function): Check for old_decl being
10246         error_mark_node.
10247
10248 2005-03-30  Ian Lance Taylor  <ian@airs.com>
10249
10250         * final.c (final): Remove prescan parameter.  Change all callers.
10251         (final_scan_insn): Remove prescan parameter.  Change all callers.
10252
10253 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
10254
10255         * tree-vectorizer.c: Fix comment typos.
10256
10257 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
10258
10259         * tree-scalar-evolution.c (instantiate_parameters_1): Return
10260         as soon as a chrec_dont_know is detected.
10261
10262 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
10263
10264         Merge from csl-arm-branch.
10265         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
10266
10267         * tlink.c (recompile_files): Do not assume that "rename" can
10268         overwrite an existing file.
10269
10270 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
10271
10272         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
10273         * gcc/configure: Regenerate.
10274
10275 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
10276
10277         * doc/install.texi: Update binutils requirement for powerpc*-linux.
10278
10279         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
10280
10281         * calls.c (struct arg_data): Update "partial" comment.
10282         (load_register_parameters): Update "nregs" comment.
10283
10284 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
10285
10286         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
10287         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
10288         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
10289         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
10290         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
10291         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
10292         than target_flags & 0.
10293         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
10294         (iq2000_arch, iq2000_parse_cpu): Delete.
10295         (TARGET_HANDLE_OPTION): Override default.
10296         (iq2000_handle_option): New function.
10297         (override_options): Remove -march= and -mcpu= handling.
10298         * config/iq2000/iq2000.opt: New file.
10299
10300 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
10301
10302         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
10303         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
10304         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
10305         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
10306         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
10307         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
10308         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
10309         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
10310         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
10311         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
10312         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
10313         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
10314         (c4x_rpts_cycles_string, c4x_cpu_version_string)
10315         (TARGET_OPTIONS): Delete.
10316         (c4x_rpts_cycles, c4x_cpu_version): Declare.
10317         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
10318         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
10319         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
10320         (c4x_cpu_version_string): Delete.
10321         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10322         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
10323         equivalent -mcpu= option.
10324         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
10325         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
10326         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
10327         or clearing the appropriate MASK_* bit.
10328         (c4x_file_start): Use c4x_cpu_version.
10329         * config/c4x/c4x.opt: New file.
10330
10331 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
10332
10333         * doc/options.texi: Document the new MaskExists flag.
10334         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
10335         if the option has the MaskExists flag.
10336
10337 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
10338
10339         * opt-functions.awk (flag_set_p, test_flag): New functions.
10340         (switch_flags): Use them.
10341         * opth-gen.awk: Use flag_set_p to check for flags.
10342         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
10343
10344 2005-03-30  Ian Lance Taylor  <ian@airs.com>
10345
10346         * config.host (i[34567]86-*-mingw32*): Don't set
10347         host_can_use_collect2 to no.
10348
10349 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
10350
10351         PR target/20203
10352         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
10353         Remove convert_memory_address call duplicating that in memory_address.
10354
10355 2005-03-29  Richard Henderson  <rth@redhat.com>
10356
10357         PR c/20519
10358         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
10359         (build_compound_literal): Likewise.  Propagate decl type into the
10360         initializer.
10361         (finish_decl): Likewise.  Use new return value from complete_array_type
10362         for zero sized arrays.
10363         (complete_array_type): Move ...
10364         * c-common.c (complete_array_type): ... here.  Change first argument
10365         to pointer-to-type-node.  Consistently use sizetype for the index
10366         except for zero sized arrays.  Detect zero sized arrays for pedantic
10367         mode diagnostics.  Create a new type node instead of modifying the
10368         old node in place.
10369         * c-tree.h (complete_array_type): Move decl ...
10370         * c-common.h (complete_array_type): ... here.
10371
10372 2005-03-29  Richard Henderson  <rth@redhat.com>
10373
10374         PR tree-opt/19108
10375         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
10376
10377 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
10378
10379         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
10380         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
10381         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
10382         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
10383
10384 2005-03-29  Eric Christopher  <echristo@redhat.com>
10385
10386         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
10387         truthvalue conversion removal.
10388
10389 2005-03-29  Ian Lance Taylor  <ian@airs.com>
10390
10391         PR bootstrap/14316
10392         * collect2.c: Never include <vfork.h>.
10393         (VFORK_STRING, vfork): Don't define.
10394         (pid): Remove global variable.
10395         (handler): Call raise instead of kill (getpid(), ...).
10396         (collect_wait): Add pex parameter.  Change all callers.  Use
10397         pex_get_status rather than pwait.
10398         (do_wait): Add pex parameter.  Change all callers.
10399         (collect_execute): Return struct pex_obj * rather than void.  Use
10400         pex routines rather than pexecute.
10401         (fork_execute): Get pex_obj from collect_execute, and pass it to
10402         do_wait.
10403         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
10404         Only declare quit_handler if SIGQUIT is defined.
10405         (scan_libraries): Likewise.
10406         * collect2.h (collect_execute): Update declaration.
10407         (collect_wait): Update declaration.
10408         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
10409         pass it to collect_wait.
10410
10411 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
10412
10413         PR c/20672
10414         * c-parser.c (c_parser_compound_statement_nostart): Give error
10415         message for EOF instead of just setting parser->error.
10416
10417 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
10418
10419         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
10420         (slpeel_update_phi_nodes_for_guard1): New function.
10421         (slpeel_update_phi_nodes_for_guard2): New function.
10422         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
10423         of slpeel_update_phi_nodes_for_guard.
10424         (vectorize_loops): Remove call to loop_closed_rewrite.
10425         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
10426         assertion.
10427
10428 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
10429
10430         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
10431         (TARGET_LITTLE_ENDIAN): New macro.
10432         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
10433         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
10434         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
10435         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
10436         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
10437         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
10438         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
10439         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
10440         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
10441         (TARGET_OPTIONS): Delete.
10442         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
10443         (CACHE_FLUSH_TRAP): Turn into an integer.
10444         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
10445         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
10446         -mflush-trap is in use.
10447         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
10448         (m32r_cache_flush_trap_string): Delete.
10449         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
10450         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
10451         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
10452         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10453         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
10454         -mmodel= and -msdata= handling from...
10455         (m32r_init): ...here.
10456         * config/m32r/m32r.opt: New file.
10457
10458 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
10459
10460         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
10461         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
10462         * tree-vect-analyze.c (vect_object_analysis): additional parm
10463         pass back a "struct ptr_info_def *" with the points-to info.
10464         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
10465         statement using info returned from vect_object_analysis.
10466         * tree-vect-transform.c (update_vuses_to_preheader): New function.
10467         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
10468         for virtual uses and defs when creating a replacement vector
10469         reference.  Call duplicate_ssa_name_ptr_info to define points-to
10470         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
10471         (vectorizable_store): copy_virtual_operands and update
10472         definition statements.
10473         (vectorizable_load): copy_virtual_operands.  Remove call to
10474         mark_call_clobbered_vars_to_rename for call to "const" builtin.
10475         * tree-vectorizer.c (vectorize_loops): Remove calls to
10476         rewrite_into_ssa and bitmap_clear (vars_to_rename).
10477         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
10478         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
10479         define macro STMT_VINFO_PTR_INFO for use in accessing.
10480         * tree.h add export of duplicate_ssa_name_ptr_info.
10481         * rs6000.c (altivec_init_builtins): Declare builtin function
10482         __builtin_altivec_mask_for_load to be "const".
10483
10484 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
10485
10486         PR middle-end/20622
10487         * cgraph.h (struct cgraph_varpool_node): Add alias field.
10488         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
10489         assemble_variable on aliases.
10490         * varasm.c (assemble_alias): Set node->alias.
10491         * toplev.c (wrapup_global_declarations): Don't call
10492         rest_of_decl_compilation on aliases again.
10493
10494 2005-03-29  Paul Brook  <paul@codesourcery.com>
10495
10496         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
10497         * config/arm/arm.c (arm_dbx_register_number): New function.
10498         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
10499
10500 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
10501
10502         PR middle-end/20263
10503         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
10504         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
10505
10506 2005-03-29  Dale Johannesen <dalej@apple.com>
10507
10508         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
10509         $(TREE_H) and $(COVERAGE_H).
10510         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
10511         * opts.c (common_handle_option): Enable tree-based value transforms.
10512         * toplev.c (process_options): Ditto.
10513         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
10514         refers to references to this type.
10515         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
10516         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
10517         for may_be_more, may_be_less.
10518         (rtl_gen_pow2_profiler): Adjust.
10519         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
10520         (rtl_gen_one_value_profiler): Adjust.
10521         (rtl_gen_const_delta_profiler): Adjust.
10522         * tree-profile.c (tree_gen_interval_profiler): Implement.
10523         (tree_gen_pow2_profiler): Ditto.
10524         (tree_gen_one_value_profiler): Ditto.
10525         (tree_profiling): New.
10526         (pass_tree_profile): Reference it.
10527         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
10528         tree.h, gcov-io.h.
10529         (insn_divmod_values_to_profile): Rename to
10530         rtl_divmod_values_to_profile. Adjust.
10531         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
10532         (insn_prefetch_values_to_profile): Adjust.
10533         (rtl_value_profile_transformations): Adjust.
10534         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
10535         (gen_mod_pow2): Rename to rtl_mod_pow2.
10536         (gen_mod_subtract): Rename to rtl_mod_subtract.
10537         (divmod_fixed_value_transform): Rename to
10538         rtl_divmod_fixed_value_transform.
10539         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
10540         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
10541         (rtl_find_values_to_profile): Adjust.
10542         (tree_value_profile_transformations): Implement.
10543         (tree_divmod_values_to_profile): New.
10544         (tree_values_to_profile): New.
10545         (tree_divmod_fixed_value): New.
10546         (tree_mod_pow2): New.
10547         (tree_mod_subtract): New.
10548         (tree_divmod_fixed_value_transform): New.
10549         (tree_mod_pow2_value_transform): New.
10550         (tree_mod_subtract_transform): New.
10551         (tree_find_values_to_profile): Implement.
10552         * profile.c (instrument_values):  Free histograms.
10553         (compute_value_histograms): Adjust. Implement tree version.
10554
10555 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
10556
10557         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
10558         * config/i386/i386.c (output_fix_trunc): Add new round_mode
10559         variable.  Output "fldcw" depending on round_mode.
10560         * config/i386/i386.md (UNSPEC_FIST): New.
10561         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
10562         New isns patterns to implement lrint and llrint built-ins as x87
10563         intrinsic function.
10564         (fistdi2, fist<mode>2 splitters): New splitters.
10565         (lrint<mode>2): New expanders.
10566
10567 2005-03-28  Ian Lance Taylor  <ian@airs.com>
10568
10569         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
10570         0 when calling final_scan_insn.
10571
10572 2005-03-28  Jan Hubicka  <jh@suse.cz>
10573
10574         PR middle-end/20635
10575         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
10576         as needed.
10577
10578         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
10579         types where possible.
10580
10581 2005-03-26  Per Bothner  <per@bothner.com>
10582
10583         Make -f[no-]show-column also control non-cpp diagnostics.
10584         * c.opt (fshow-column): Move option from here ...
10585         * common.opt (fshow-column): ... to here.
10586         * diagnostic.c (diagnostic_build_prefix): Only print column number
10587         if flag_show_column.
10588
10589 2005-03-27  Steven Bosscher  <stevenb@suse.de>
10590
10591         * vax-protos.h (vax_output_int_move, vax_output_int_add,
10592         vax_output_conditional_branch): New prototypes.
10593         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
10594         extracted from vax.md mov and add patterns.
10595         (vax_output_conditional_branch): New function to output conditional
10596         branch instructions.
10597         * vax.md: Use mode macros for arithmetic and mov patterns.
10598         Use code macros for the jump patterns.
10599
10600 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
10601
10602         * Makefile.in (libbackend.o): Depend on version files;
10603         add custom generation command.
10604
10605 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
10606
10607         PR target/20636
10608         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
10609         sure that we have a REG before getting its REGNO.
10610
10611 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10612
10613         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
10614         * builtins.def (BUILT_IN_STRNDUP): New.
10615
10616 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
10617
10618         PR tree-optimization/20470
10619         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
10620         ABS(x-y).
10621
10622 2005-03-25  Mike Stump  <mrs@apple.com>
10623
10624         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
10625         sized objects.
10626
10627 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
10628
10629         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
10630         Use our own structure definitions.
10631
10632         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
10633         (fix_truncdfsi2): Allow registers or memory as destination.
10634         When TARGET_PPC_GFXOPT, generate simplified pattern.
10635         (fix_truncdfsi2_internal): Use define_insn_and_split.
10636         (fix_truncdfsi2_internal_gfxopt): New.
10637         (fctiwz): Don't confuse register allocation by giving it no choices.
10638         (stfiwx): New.
10639         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
10640         (EXTRA_MEMORY_CONSTRAINT): Likewise.
10641         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
10642         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
10643
10644 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
10645
10646         * dominance.c (free_dominance_info): Speed up by freeing et
10647         data structures without maintaining other nodes.
10648         * et-forest.c (et_free_tree_force): New.
10649         * et-forest.h: Add a prototype for et_free_tree_force.
10650
10651         * tree.c (get_set_constructor_bits,
10652         get_set_constructor_bytes): Remove.
10653         * tree.h: Remove the corresponding prototypes.
10654
10655 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10656
10657         PR target/15491
10658         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
10659         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
10660         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
10661         PRE_DEC, NEG and NOT.
10662
10663 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
10664
10665         * fold-const.c: Convert uses of fold (build (...)) to
10666         fold_buildN.
10667
10668 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
10669
10670         PR rtl-optimization/20249
10671         * cse.c (insert_regs): Do not record equivalence of registers in
10672         different modes.
10673
10674 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
10675
10676         * emit-rtl.c (reverse_comparison): Remove.
10677         * rtl.h: Remove the corresponding prototype.
10678
10679 2005-03-24  James E Wilson  <wilson@specifixinc.com>
10680
10681         * doc/install.texi (--enable-altivec): Delete docs.
10682
10683 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
10684
10685         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
10686         SFmode and DFmode before reload when
10687         flag_unsafe_math_optimizations not enabled.
10688
10689 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
10690
10691         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
10692
10693         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
10694         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
10695
10696 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
10697
10698         * configure.ac (enable-checking): Add 'runtime' option.
10699         * doc/install.texi (enable-checking): Document 'runtime' checking.
10700         * tsystem.h (gcc_assert, gcc_unreachable): Define.
10701         * config.in: Regenerated.
10702         * configure: Regenerated.
10703
10704 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
10705
10706         * optabs.h (enum optab_index): Remove OTI_llrint.
10707         (llrint_optab): Remove macro.
10708         * optabs.c (init_optabs): Remove llrint_optab initialization.
10709         * genopinit.c (optabs): Remove llrint_optab implementation.
10710         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
10711         using lrint_optab.
10712
10713 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
10714
10715         PR rtl-optimization/20532
10716         * simplify-rtx.c (simplify_binary_operation_1): Protect from
10717         overflow when adding coefficients for PLUS or MINUS.
10718         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
10719         two as multiplier.
10720
10721 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10722
10723         * langhooks.h (truthvalue_conversion): Remove.
10724         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
10725         LANG_HOOKS_TRUTHVALUE_CONVERSION.
10726         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
10727         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
10728         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
10729
10730 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
10731
10732         * params.def: Fix a typo.
10733         * config/mips/mips.c: Follow the spelling convensions.
10734         * doc/invoke.texi: Fix typos.
10735
10736 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
10737
10738         Fix PR tree-optimization/20601
10739
10740         * tree-ssa-pre.c (insert_aux): Add missing condition to
10741         constification.
10742
10743 2005-03-23  Ian Lance Taylor  <ian@airs.com>
10744
10745         * final.c (final_scan_insn): Don't remove no-op instructions.
10746         * reload1.c (reload): Remove simple no-op instructions even when
10747         not optimizing.
10748
10749 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
10750
10751         PR tree-optimization/20501
10752         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
10753         reporting that peeling for alignment is applied moved to...
10754         * (vect_analyze_data_refs_alignment): Here.
10755
10756 2005-03-23  Ian Lance Taylor  <ian@airs.com>
10757
10758         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
10759
10760 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10761
10762         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
10763         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
10764
10765 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
10766
10767         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
10768         imply that this is called once, independent of asms in code.
10769         Adjust to now being pased output and input lists.  Mention helper
10770         function decl_overlaps_hard_reg_set_p.
10771         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
10772         hook_tree_tree_identity and to take three trees, returning third.
10773         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
10774         prototype.
10775         * stmt.c: include hard-reg-set.h before tree.h.
10776         (decl_overlaps_hard_reg_set_p): New function, broken out from...
10777         (decl_conflicts_with_clobbers_p): Call
10778         decl_overlaps_hard_reg_set_p.
10779         (expand_asm_operands): Pass output and input lists in call to
10780         targetm.md_asm_clobbers.
10781         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
10782         hook_tree_tree_tree_tree_3rd_identity.
10783         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
10784         parameters.
10785         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
10786         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
10787         parameters, first two unused.
10788         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
10789         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
10790         in constraint letters and MOF is not mentioned as a asm-declared
10791         register in neither of the input and output lists.
10792
10793 2005-03-23  DJ Delorie  <dj@redhat.com>
10794
10795         * optabs.c (expand_binop): Make sure the first subword's result
10796         gets stored.
10797
10798 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10799
10800         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
10801         Call c_common_truthvalue_conversion rather than
10802         lang_hooks.truthvalue_conversion.
10803         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
10804         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
10805         c-typeck.c.
10806         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
10807         c_common_truthvalue_conversion.
10808         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
10809         c_parser_conditional_expression, c_parser_binary_expression): Call
10810         c_objc_common_truthvalue_conversion.
10811         * c-typeck.c (build_unary_op): Call
10812         c_objc_common_truthvalue_conversion.
10813         (build_conditional_expr): Do not call
10814         lang_hooks.truthvalue_conversion.
10815         (build_binary_op): Call c_common_truthvalue_conversion.
10816         (c_objc_common_truthvalue_conversion): Moved from
10817         c-objc-common.c.  Call default_function_array_conversion instead
10818         of default_conversion.
10819
10820 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10821
10822         * c-common.h (default_conversion): Remove.
10823         (perform_integral_promotions): Add.
10824         * c-tree.h (default_conversion): Add.
10825         * c-typeck.c (perform_integral_promotions): New, split out from
10826         default_conversion.
10827         * c-common.c (check_case_value): Use perform_integral_promotions,
10828         not default_conversion.
10829         (c_add_case_label): Don't continue processing case label after
10830         found to be pointer.
10831
10832 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
10833
10834         * gcc.c (do_spec_1): Do not add a -L path for a directory in
10835         the prefix list if we have already added a multilib directory
10836         based on that path.
10837         (main): Do not add MD_EXEC_PREFIX to the list of directories to
10838         search with -L.
10839
10840 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10841
10842         * reload1.c (indirect_symref_ok, reload_obstack): Make them
10843         static.
10844         * reload.h: Remove the prototype for indirect_symref_ok.
10845
10846         * reload1.c (indirect_symref_ok): Make it global.
10847         * reload.h: Add a prototype for indirect_symref_ok.
10848
10849 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10850
10851         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
10852         ashlhi3 expander.
10853
10854 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10855
10856         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
10857
10858 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
10859
10860         * c-opts.c (c_common_parse_file): Only start/end main source file
10861         if debug hooks says the writer wants it.
10862         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
10863         member.
10864         (xcoff_debug_hooks): Ditto.
10865         * debug.c (do_nothing_hooks): Ditto.
10866         * debug.h (gcc_debug_hooks): Ditto.
10867         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
10868         * sdbout.c (sdb_debug_hooks): Ditto.
10869         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
10870
10871 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
10872
10873         * doc/extend.texi: Deprecate C++ min/max operators.
10874
10875 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
10876
10877         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
10878         artificial original candidates.
10879
10880 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
10881             Jan Hubicka  <jh@suse.cz>
10882             Steven Bosscher <stevenb@suse.de>
10883
10884         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
10885         call cost based on argument sizes.
10886         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
10887         inlining.
10888         * params.def: (max-inline-inssn-single): Set to 450.
10889         (max-inline-insns-auto): Set to 90.
10890         (max-inline-insns-recursive): Set to 450
10891         (max-inline-insns-recursive-auto): Set to 450.
10892         (large-function-insns): Set to 2700.
10893         (inline-call-cost): New parameter.
10894         * tree-inline.c (estimate_move_cost): New function.
10895         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
10896         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
10897         based on arguments.
10898         * tree-inline.h (estimate_move_cost): Declare.
10899         * invoke.texi: (max-inline-inssn-single): Change default to 450.
10900         (max-inline-insns-auto): Change default to 90.
10901         (max-inline-insns-recursive): Change default to 450
10902         (max-inline-insns-recursive-auto): Change default to 450.
10903         (large-function-insns): Change default to 2700.
10904         (inline-call-cost): Document new parameter.
10905
10906 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
10907
10908         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
10909         (TARGET_DEFAULT): Delete.
10910         * config/i860/i860.opt: New file.
10911
10912 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
10913
10914         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
10915         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
10916         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
10917         (frv_sched_lookahead): Delete.
10918         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
10919         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
10920         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
10921         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
10922         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
10923         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
10924         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
10925         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
10926         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
10927         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
10928         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
10929         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
10930         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
10931         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
10932         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
10933         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
10934         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
10935         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
10936         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
10937         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
10938         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
10939         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
10940         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
10941         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
10942         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
10943         (frv_sched_lookahead): Delete.
10944         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
10945         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10946         (frv_handle_option): New function.  Move -mcpu= handling from...
10947         (frv_override_options): ...here.  Remove handling of other
10948         TARGET_OPTIONS.
10949         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
10950         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
10951         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
10952         and TARGET_NO_MULTI_CE.
10953         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
10954         !TARGET_VLIW_BRANCH.
10955         * config/frv/frv.opt: New file.
10956
10957 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10958
10959         * fold-const.c (fold_ternary): Take decomposed arguments of
10960         CALL_EXPR.
10961         (fold): Update a call to fold_ternary.
10962
10963         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
10964         * tree.h: Add corresponding prototypes.
10965
10966 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
10967
10968         PR target/20561
10969         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
10970         between jump table and its label.
10971         * final.c (shorten_branches): Handle notes in between ADDR_VEC
10972         resp. ADDR_DIFF_VEC and the label preceeding it.
10973         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
10974         is emitted in the right section.
10975
10976 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10977
10978         * fold-const.c (fold_unary, fold_binary): Update comments
10979         about arguments.
10980
10981 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
10982
10983         PR rtl-optimization/20527
10984         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
10985         REG_INC note, test that the register also isn't mentioned in PRED
10986         or SUCC.
10987
10988 2005-03-22  Ben Elliston  <bje@au.ibm.com>
10989
10990         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
10991         and definition.
10992
10993 2005-03-21  Mike Stump  <mrs@apple.com>
10994
10995         * varasm.c (default_assemble_visibility): Remove extra ().
10996
10997 2005-03-21  Roger Sayle  <roger@eyesopen.com>
10998
10999         PR middle-end/20557
11000         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
11001         to determine whether a block can be duplicated, rather than test
11002         whether the block contains noncopyable insns ourselves.
11003
11004 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11005
11006         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
11007         predicates.
11008
11009 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
11010
11011         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
11012
11013 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
11014
11015         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
11016         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
11017         * config/fr30/fr30.opt: New file.
11018
11019 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
11020
11021         Fix PR tree-optimization/20542
11022
11023         * tree-flow-inline.h (overlap_subvar): Move to here.
11024         * tree-ssa-operands.c: From here.
11025         * tree-flow.h (overlap_subvar): Declare.
11026         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
11027         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
11028         for variables with subvars.
11029
11030 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
11031
11032         PR middle-end/20177
11033         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
11034         * modulo-sched.c (const_iteration_count): Return on NULL
11035         pre-header.
11036         (print_node_sched_params): Return on NULL dump_file.
11037         (generate_reg_moves): Handle reg-anti dependencies and disregard
11038         closing branch when generating register moves.
11039         (sms_schedule): Mark the SMSed block dirty.
11040         * passes.c (rest_of_handle_sms): Call update_life_info for all
11041         basic-blocks.
11042         * testsuite/gcc.dg/20050321-1.c: New test.
11043
11044 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
11045
11046         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
11047         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
11048         movqi_internal): Likewise.
11049
11050 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
11051
11052         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
11053         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
11054         xtensa_b4const): Delete prototypes.
11055         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
11056         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
11057         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
11058         xtensa_extra_constraint): New prototypes.
11059         (add_operand, arith_operand, nonimmed_operand, mem_operand,
11060         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
11061         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
11062         move_operand, const_float_1_operand, fpmem_offset_operand,
11063         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
11064         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
11065         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
11066         argument type to HOST_WIDE_INT.
11067         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
11068         xtensa_mask_immediate): Likewise.
11069         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
11070         Likewise.  Also make these functions static.
11071         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
11072         (xtensa_const_ok_for_letter_p): New.
11073         (add_operand, arith_operand, nonimmed_operand, mem_operand,
11074         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
11075         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
11076         move_operand, const_float_1_operand, fpmem_offset_operand,
11077         branch_operator, ubranch_operator, boolean_operator): Move to
11078         predicates.md.
11079         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
11080         (xtensa_mem_offset): Change return type to bool.
11081         (xtensa_extra_constraint): New.
11082         (gen_int_relational): Update type of const_range_p function pointer.
11083         Use xtensa_b4const_or_zero.
11084         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
11085         xtensa_const_ok_for_letter_p.  Update comments.
11086         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
11087         (PREDICATE_CODES): Delete.
11088         * config/xtensa/xtensa.md: Include predicates.md.
11089         * config/xtensa/predicates.md: New file.
11090
11091 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11092
11093         * config/v850/v850-protos.h: Remove the prototypes for
11094         reg_or_int9_operand, reg_or_const_operand,
11095         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
11096         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
11097         movsi_source_operand, power_of_two_operand,
11098         not_power_of_two_operand, special_symbolref_operand,
11099         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
11100         register_is_ok_for_epilogue.
11101         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
11102         reg_or_int9_operand, reg_or_const_operand,
11103         call_address_operand, special_symbolref_operand,
11104         movsi_source_operand, power_of_two_operand,
11105         not_power_of_two_operand, register_is_ok_for_epilogue,
11106         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
11107         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
11108         predicates.md.
11109         * config/v850/v850.h (PREDICATE_CODES): Remove.
11110         * config/v850/v850.md: Include predicates.md.
11111         * config/v850/predicates.md: New.
11112
11113 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
11114
11115         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
11116         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
11117         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
11118         (itoolsdir, itoolsdatadir): Move definition above new first use.
11119         (install-itoolsdirs): New rule.
11120         (install-mkheaders): Depend on install-itoolsdirs, not
11121         install-include-dir.
11122
11123 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11124
11125         * tree-into-ssa.c: Remove obsolete comments.
11126
11127 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
11128
11129         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
11130         unrolling if -fpeel-loops is specified, too.
11131         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
11132         Remove superfluous check for flag_unroll_loops.
11133
11134 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
11135
11136         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
11137         (lrint_optab, llrint_optab): Define corresponding macros.
11138         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
11139         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
11140         pattern and llrint_optab using llrintdi2 patterns.
11141         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
11142         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
11143         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
11144         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
11145         flag_unsafe_math_optimizations is set.
11146
11147 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
11148
11149         * combine.c (combine_simplify_rtx, simplify_if_then_else,
11150         simplify_logical, if_then_else_cond, known_cond,
11151         simplify_comparison): Adjust calls to reverse_comparison.
11152         Don't use combine_reversed_comparison_code).
11153         (combine_reversed_comparison_code): Remove.
11154         (reversed_comparison): Using reversed_comparison_code, move it...
11155         * jump.c (reversed_comparison): ... here.
11156         * rtl.h (reversed_comparison): Add prototype.
11157
11158 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11159
11160         * builtins.c (fold_builtin): Take decomposed arguments of
11161         CALL_EXPR.
11162         * fold-const.c (fold_ternary): Update a call to fold_builtin.
11163         * gimplify.c (gimplify_call_expr): Likewise.
11164         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
11165         * tree.h: Update the prototype of fold_builtin.
11166
11167 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
11168
11169         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
11170         * rtlhooks.c (gen_lowpart_no_emit_general): New.
11171         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
11172         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
11173         * simplify-rtx.c (simplify_binary_operation_1): Use it.
11174
11175 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
11176
11177         * builtins.c (fold_builtin_1): Take decomposed arguments of
11178         CALL_EXPR.
11179         (fold_builtin): Update a call to fold_builtin_1.
11180
11181 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
11182
11183         PR other/20564
11184         * gcov.c (output_lines): Only output function block summary when
11185         outputting branch information.
11186         * doc/gcov.texi: Document format of preamble and additional block
11187         information lines.
11188
11189 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
11190
11191         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
11192         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
11193         the defaults false if BITS_PER_UNIT != 8.
11194         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
11195         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
11196         than BITS_PER_UNIT != 8.
11197         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
11198         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
11199         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
11200         #undefs.
11201         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
11202         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
11203
11204 2005-03-20  Roger Sayle  <roger@eyesopen.com>
11205
11206         PR middle-end/20539
11207         * fold-const.c (fold_binary): Fix type mismatch between
11208         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
11209         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
11210         for non-truth-valued expressions.
11211
11212         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
11213         and FUNCTION_DECL in the main switch.
11214         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
11215         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
11216         we also need to convert their operands to match.
11217         <TRUTH_NOT_EXPR>: Likewise.
11218
11219 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
11220
11221         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
11222         diagnostic without checking whether an lvalue.
11223         * c-common.h (lvalue_p): Remove.
11224         (enum lvalue_use): Update comment.
11225         (lvalue_or_else): Replace by lvalue_error.
11226         * c-typeck.c (lvalue_p): Make static.
11227         (lvalue_or_else): New.  Call lvalue_error.
11228
11229 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
11230
11231         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
11232         (function_arg_advance): Use rs6000_parm_start.
11233         (function_arg, rs6000_arg_partial_bytes): Likewise.
11234
11235 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
11236
11237         * c-common.c (check_case_value): Adjust comment about stripping
11238         NOPs.
11239         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
11240         * c-typeck.c (default_conversion, convert_arguments,
11241         build_modify_expr, convert_for_assignment, store_init_value,
11242         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
11243         manually.  Remove inaccurate comments.
11244
11245 2005-03-20  Roger Sayle  <roger@eyesopen.com>
11246             Joseph S. Myers  <joseph@codesourcery.com>
11247
11248         * varasm.c (do_assemble_alias): Restore comment describing function.
11249         Annotate the target parameter as potentially unused.
11250
11251 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11252
11253         PR target/18551
11254         * config/avr/avr.c (avr_output_function_prologue): Do not use
11255         current_function_name() in a label, use a local label instead.
11256
11257 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
11258
11259         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
11260         flag_finite_math_only, not flag_unsafe_math_optimizations.
11261
11262 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
11263
11264         * builtins.c (fold_builtin_1): Update a call to
11265         targetm.fold_builtin.
11266         * hooks.c (hook_tree_tree_bool_null): Rename to
11267         hook_tree_tree_tree_bool_null.  Take one more argument of type
11268         tree.
11269         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
11270         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
11271         hook_tree_tree_tree_bool_null.
11272         * target.h (gcc_target): Update the prototype of fold_builtin.
11273         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
11274         arguments of CALL_EXPR.
11275         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
11276         new prototype.
11277
11278 2005-03-20  Jan Hubicka  <jh@suse.cz>
11279
11280         * cgraph.h (cgraph_node): Add prev_clone pointer.
11281         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
11282         (cgraph_clone_node): Produce doubly linked chain.
11283
11284 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
11285
11286         * c-common.c (handle_aligned_attribute, check_function_sentinel,
11287         get_nonnull_operand, handle_sentinel_attribute,
11288         check_function_arguments_recurse): Do not strip NOPS from
11289         INTEGER_CSTs.
11290         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
11291         Likewise.
11292         * c-format.c (get_constant): Likewise.
11293         * c-parser.c (c_parser_postfix_expression): Likewise.
11294         * c-typeck.c (set_init_index): Likewise.
11295         (convert_arguments): Don't check for NOP_EXPR containing integer
11296         constant.
11297
11298 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
11299
11300         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
11301         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
11302         Take decomposed arguments of CALL_EXPR.
11303         (fold_builtin_1): Update calls to the functions mentioned
11304         above.
11305
11306 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
11307
11308         * c-decl.c (check_bitfield_type_and_width): Require bit-field
11309         width to have integer type.
11310         (build_enumerator): Require enumerator value to have integer type.
11311
11312 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
11313
11314         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
11315         to __builtin_inff.
11316
11317 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
11318
11319         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
11320         std=iso9899:199x): Correct descriptions.
11321
11322 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
11323
11324         * config.gcc: Consistently use solaris2.1[0-9]* instead of
11325         solaris2.1[0-9].
11326
11327 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
11328
11329         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
11330         of CALL_EXPR.
11331         (expand_builtin_memcpy, fold_builtin_1): Update calls to
11332         fold_builtin_memcpy.
11333
11334         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
11335         arguments of CALL_EXPR.
11336         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
11337         fold_builtin_found, fold_builtin_1): Update calls to
11338         fold_trunc_transparent_mathfn.
11339
11340 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11341
11342         PR middle-end/20493
11343         * fold-const.c (fold_widened_comparison): Don't optimize casts of
11344         function pointers on targets that require function pointer
11345         canonicalization.
11346         (fold_sign_changed_comparison): Likewise.
11347
11348 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
11349
11350         * combine.c (try_combine): When changing the mode of a hard reg, make
11351         sure that doing so is valid.
11352
11353 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
11354
11355         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
11356         (TARGET_HANDLE_OPTION): Override default.
11357         (avr_handle_option): New function.
11358         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
11359         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
11360         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
11361         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
11362         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
11363         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
11364         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
11365         (TARGET_OPTIONS): Delete.
11366         * config/avr/avr.opt: New file.
11367
11368 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11369
11370         * config/m32r/m32r-protos.h: Remove the prototypes for
11371         call_address_operand, symbolic_operand, seth_add3_operand,
11372         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
11373         reg_or_uint16_operand, reg_or_cmp_int16_operand,
11374         two_insn_const_operand, move_src_operand,
11375         move_double_src_operand, move_dest_operand,
11376         eqne_comparison_operator, signed_comparison_operator,
11377         large_insn_p, conditional_move_operand, carry_compare_operand,
11378         m32r_block_immediate_operand, extend_operand,
11379         reg_or_eq_int16_operand, int8_operand, and
11380         reg_or_zero_operand.
11381         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
11382         seth_add3_operand, int8_operand, cmp_int16_operand,
11383         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
11384         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
11385         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
11386         move_double_src_operand, move_dest_operand,
11387         eqne_comparison_operator, signed_comparison_operator,
11388         extend_operand, small_insn_p, large_insn_p,
11389         conditional_move_operand, carry_compare_operand,
11390         m32r_block_immediate_operand): Move to predicates.md.
11391         (MAX_MOVE_BYTES): Move to m32r.h.
11392         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
11393         * config/m32r/m32r.md: Include predicates.md.
11394         * config/m32r/predicates.md: New.
11395
11396 2005-03-18  James E Wilson  <wilson@specifixinc.com>
11397
11398         PR c++/19769
11399         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
11400         origin.
11401
11402 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11403
11404         * config/mn10300/mn10300-protos.h: Remove the prototypes for
11405         call_address_operand, const_8bit_operand.
11406         * config/mn10300/mn10300.c (call_address_operand,
11407         const_8bit_operand, const_1f_operand): Move to predicates.md.
11408         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
11409         * config/mn10300/mn10300.md: Include predicates.md.
11410         * config/mn10300/predicates.md: New.
11411
11412 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
11413
11414         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
11415         declarations in diagnostics and %E for identifiers, not %s.
11416
11417 2005-03-18  Jan Hubicka  <jh@suse.cz>
11418             Dale Johannesen  <dalej@apple.com>
11419
11420         * basic-block.h (scale_bbs_frequencies_int,
11421         scale_bbs_frequencies_gcov_type): Declare.
11422         * cfg.c (RDIV): New macro.
11423         (update_bb_frequency_for_threading): Fix.
11424         * basic-block.h (scale_bbs_frequencies_int,
11425         scale_bbs_frequencies_gcov_type): New.
11426         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
11427         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
11428         scale_bbs_frequencies_int.
11429         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
11430
11431 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11432
11433         * config/m32r/m32r-protos.h: Remove the prototypes for
11434         call_address_operand, symbolic_operand, seth_add3_operand,
11435         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
11436         reg_or_uint16_operand, reg_or_cmp_int16_operand,
11437         two_insn_const_operand, move_src_operand,
11438         move_double_src_operand, move_dest_operand,
11439         eqne_comparison_operator, signed_comparison_operator,
11440         large_insn_p, conditional_move_operand, carry_compare_operand,
11441         m32r_block_immediate_operand, extend_operand,
11442         reg_or_eq_int16_operand, int8_operand, and
11443         reg_or_zero_operand.
11444         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
11445         seth_add3_operand, int8_operand, cmp_int16_operand,
11446         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
11447         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
11448         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
11449         move_double_src_operand, move_dest_operand,
11450         eqne_comparison_operator, signed_comparison_operator,
11451         extend_operand, small_insn_p, large_insn_p,
11452         conditional_move_operand, carry_compare_operand,
11453         m32r_block_immediate_operand): Move to predicates.md.
11454         (MAX_MOVE_BYTES): Move to m32r.h.
11455         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
11456         * config/m32r/m32r.md: Include predicates.md.
11457         * config/m32r/predicates.md: New.
11458
11459         * config/pa/pa-protos.h: Add prototypes for magic_milli and
11460         shadd_constant_p.
11461         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
11462         symbolic_operand, symbolic_memory_operand,
11463         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
11464         indexed_memory_operand, move_dest_operand, move_src_operand,
11465         prefetch_cc_operand, prefetch_nocc_operand,
11466         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
11467         arith_operand, arith11_operand, pre_cint_operand,
11468         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
11469         ireg_operand, int5_operand, uint5_operand, int11_operand,
11470         uint32_operand, arith5_operand, and_operand, ior_operand,
11471         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
11472         pc_or_label_operand, div_operand, plus_xor_ior_operator,
11473         shadd_operand, movb_comparison_operator,
11474         cmpib_comparison_operator): Move to predicates.md.
11475         (magic_milli, shadd_constant_p): Make it extern.
11476         * config/pa/pa.h (PREDICATE_CODES): Remove.
11477         * config/pa/pa.md: Include predicates.md.
11478         * config/pa/predicates.md: New.
11479
11480         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
11481         predicate.
11482
11483 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11484
11485         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
11486         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
11487         config/alpha/freebsd.h, config/alpha/linux.h,
11488         config/alpha/netbsd.h, config/alpha/osf5.h,
11489         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
11490         config/h8300/h8300-protos.h, config/h8300/h8300.c,
11491         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
11492         doc/cppopts.texi: Update copyright.
11493
11494 2005-03-18  Jan Hubicka  <jh@suse.cz>
11495
11496         PR middle-end/20225
11497         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
11498         too late.
11499         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
11500         called too late.
11501
11502 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11503
11504         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
11505         VEC_safe_push.
11506
11507 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
11508
11509         * combine.c (gen_binary): Remove.
11510         (known_cond, simplify_shift_const, find_split_point,
11511         combine_simplify_rtx, simplify_if_then_else, simplify_set,
11512         simplify_logical, expand_field_assignment, extract_left_shift,
11513         force_to_mode, if_then_else_cond, apply_distributive_law,
11514         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
11515         simplify_comparison, reversed_comparison): Replace with
11516         simplify_gen_binary, simplify_gen_relational or
11517         distribute_and_simplify_rtx.
11518         (distribute_and_simplify_rtx): New function.
11519
11520 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
11521             Paolo Bonzini  <gcc.gnu.org>
11522
11523         * calls.c (setjmp_call_p, special_function_p): Update comments
11524         at the head of the functions.
11525
11526 2005-03-18  Jan Hubicka  <jh@suse.cz>
11527
11528         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
11529
11530         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
11531         function body should be released; do not proactively release function
11532         bodies in non-unit-at-a-time mode.
11533
11534 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
11535
11536         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
11537         mno-fp-ret-in-387 multilib variants.
11538
11539 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
11540
11541         * common.opt (m): Remove.
11542         * opts.c (handle_option): Pass 'm' options to set_target_switch if
11543         table lookup fails.
11544         (common_handle_option): Remove OPT_m case.
11545
11546 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11547
11548         * builtins.c (fold_builtin_bitop): Take decomposed arguments
11549         of CALL_EXPR.
11550         (fold_builtin_1): Update a call to fold_builtin_bitop.
11551
11552         * builtins.c (fold_builtin_signbit): Take decomposed arguments
11553         of CALL_EXPR.
11554         (fold_builtin_1): Update a call to fold_builtin_signbit.
11555
11556 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
11557
11558         PR tree-optimization/20474
11559         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
11560         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
11561
11562 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
11563
11564         * config/h8300/h8300-protos.h: Remove prototypes for
11565         general_operand_src, general_operand_dst, single_one_operand,
11566         single_zero_operand, call_insn_operand,
11567         two_insn_adds_subs_operand, small_call_insn_operand,
11568         jump_address_operand, bit_operand, bit_memory_operand,
11569         stack_pointer_operand, const_int_gt_2_operand,
11570         const_int_ge_8_operand, const_int_qi_operand,
11571         const_int_hi_operand, incdec_operand, bit_operator,
11572         nshift_operator, eqne_operator, gtle_operator,
11573         gtuleu_operator, iorxor_operator.
11574         Add prototypes for h8sx_shift_type h8sx_classify_shift and
11575         h8300_ldm_stm_parallel.
11576         * config/h8300/h8300.c (h8sx_shift_type,): Move to
11577         h8300-protos.h.
11578         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
11579         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
11580         (h8300_ldm_stm_parallel): Make it extern.
11581         (h8300_ldm_parallel, h8300_stm_parallel,
11582         h8300_return_parallel, general_operand_src,
11583         general_operand_dst, h8300_dst_operand, h8300_src_operand,
11584         nibble_operand, reg_or_nibble_operand, single_one_operand,
11585         single_zero_operand, call_insn_operand,
11586         two_insn_adds_subs_operand, small_call_insn_operand,
11587         jump_address_operand, bit_operand, bit_memory_operand,
11588         stack_pointer_operand, const_int_gt_2_operand,
11589         const_int_ge_8_operand, const_int_qi_operand,
11590         const_int_hi_operand, incdec_operand, eqne_operator,
11591         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
11592         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
11593         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
11594         nshift_operator): Move to predicates.md.
11595         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
11596         * config/h8300/h8300.md: Include predicates.md.
11597         * config/h8300/predicates.md: New.
11598
11599 2005-03-17  Richard Henderson  <rth@redhat.com>
11600
11601         * config.gcc (ia64*-*-hpux*): Add extra_options.
11602         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
11603         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
11604         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
11605         (ia64_tls_size_string, ia64_tune_string): Remove.
11606         (ia64_tune): Init to PROCESSOR_ITANIUM2.
11607         (TARGET_DEFAULT_TARGET_FLAGS): New.
11608         (TARGET_HANDLE_OPTION): New.
11609         (ia64_override_options): Move options parsing ...
11610         (ia64_handle_option): ... here.  New.
11611         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
11612         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
11613         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
11614         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
11615         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
11616         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
11617         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
11618         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
11619         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
11620         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
11621         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
11622         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
11623         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
11624         TARGET_EARLY_STOP_BITS): Remove.
11625         (TARGET_ILP32): Default false.
11626         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
11627         (enum ia64_inline_type): New.
11628         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
11629         * config/ia64/ia64.md: Update for new definitions of
11630         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
11631         * config/ia64/ia64.opt: New file.
11632         * config/ia64/ilp32.opt: New file.
11633
11634 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11635
11636         PR target/18380
11637         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
11638
11639 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
11640
11641         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
11642         instead of MASK_H8300S.
11643         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
11644         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
11645         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
11646         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
11647         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
11648         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
11649         TARGET_SWITCHES): Remove.
11650         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
11651         TARGET_H8300SX.
11652         * config/h8300/h8300.opt: New.
11653
11654         * config/alpha/alpha.opt, config/arc/arc.opt,
11655         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
11656         notices.
11657
11658 2005-03-17  Ian Lance Taylor  <ian@airs.com>
11659
11660         * gmon.c: Remove.
11661
11662 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
11663
11664         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
11665         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
11666         (TARGET_HANDLE_OPTION): Override default.
11667         (arc_handle_option): New function.
11668         (arc_init): Remove code to set arch_cpu_string.
11669         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
11670         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
11671         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
11672         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
11673         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
11674         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
11675         (arc_rodata_string, TARGET_OPTIONS): Delete.
11676         * config/arc/arc.opt: New file.
11677
11678 2005-03-17  Richard Henderson  <rth@redhat.com>
11679
11680         * doc/extend.texi (Weak Pragmas): New section.
11681         (attribute alias): Clarify that target must be in the same
11682         translation unit.
11683
11684 2005-03-17  Richard Henderson  <rth@redhat.com>
11685
11686         * config/alpha/alpha.opt: New file.
11687         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
11688         of alpha_cpu.
11689         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
11690         alpha_fprm_string, alpha_fptm_string): Make static.
11691         (alpha_tls_size_string): Remove.
11692         (alpha_handle_option): New.
11693         (override_options): Update for alpha_cpu/alpha_tune split.
11694         (alpha_file_start): Likewise.
11695         (TARGET_DEFAULT_TARGET_FLAGS): New.
11696         (TARGET_HANDLE_OPTION): New.
11697         * config/alpha/alpha.h (alpha_tune): Declare.
11698         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
11699         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
11700         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
11701         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
11702         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
11703         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
11704         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
11705         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
11706         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
11707         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
11708         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
11709         (TARGET_DEFAULT): Remove MASK_FP.
11710         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
11711         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
11712         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
11713         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
11714         alpha_tls_size_string): Remove.
11715         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
11716         (attribute tune): Rename from attribute cpu.
11717         * config/alpha/ev4.md: Update to match.
11718         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
11719         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
11720         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
11721         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
11722         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
11723         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
11724
11725 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
11726
11727         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
11728         and return without creating new state if before_nops_num is nonzero.
11729         * config/ia64/ia64.md (first_insn): New attribute.
11730         (alloc): Set it to yes.
11731
11732 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11733
11734         * tree-vectorizer.c (new_vec_stmt_info): Initialize
11735         STMT_VINFO_SUBVARS to NULL.
11736         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
11737
11738 2005-03-16 Dale Johannesen  <dalej@apple.com>
11739
11740         * rtlanal.c (find_first_parameter_load):  Rewrite to
11741         return actual first param load or the call if none,
11742         instead of first in block, when not all loads exist.
11743
11744 2005-03-16  Roger Sayle  <roger@eyesopen.com>
11745
11746         * optabs.c (expand_copysign_absneg): Make static.
11747         * optabs.h (expand_copysign_absneg): Delete prototype.
11748         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
11749
11750 2005-03-16  Richard Henderson  <rth@redhat.com>
11751
11752         PR middle-end/15700
11753         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
11754         (alias_pairs): Rename from output_defs.
11755         (find_decl_and_mark_needed): Split out from assemble_alias.
11756         (do_assemble_alias): New.
11757         (assemble_output_def): Remove.
11758         (finish_aliases_1, finish_aliases_2): New.
11759         (process_pending_assemble_output_defs): Remove.
11760         (assemble_alias): Defer aliases for which we don't yet have a
11761         non-external decl for the target symbol.
11762         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
11763         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
11764         * toplev.c (compile_file): Use finish_aliases_2 instead of
11765         process_pending_assemble_output_defs.
11766         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
11767         (process_pending_assemble_output_defs): Remove.
11768
11769 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11770
11771         Fix PR tree-optimization/20489
11772
11773         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
11774         for empty structures.
11775
11776 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11777
11778         Fix PR tree-optimization/20490
11779
11780         * tree-ssa-pre.c (create_expression_by_pieces): Use
11781         force_gimple_operand on result of fold.
11782
11783 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
11784
11785         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
11786         of closing parenthesis.
11787
11788 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
11789
11790         * builtins.c (expand_movstr): Update a call to
11791         fold_builtin_strcpy.
11792         (expand_builtin_strncpy): Update a call to
11793         fold_builtin_strncpy.
11794         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
11795         arguments of CALL_EXPR.
11796         (fold_builtin_1): Update calls to fold_builtin_strcpy and
11797         fold_builtin_strncpy.
11798         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
11799         * tree.h: Update the prototypes of fold_builtin_strcpy and
11800         fold_builtin_strncpy.
11801
11802 2005-03-16  Steven Bosscher  <stevenb@suse.de>
11803             Dorit Naishlos  <dorit@il.ibm.com>
11804
11805         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
11806         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
11807         error.
11808
11809 2005-03-16  Steven Bosscher  <stevenb@suse.de>
11810
11811         * tree-inline.c (walk_type_fields, walk_tree,
11812         walk_tree_without_duplicates): Move from here...
11813         * tree.c: ...to here.
11814
11815 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
11816
11817         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
11818         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
11819         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
11820         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
11821         (version): Define using $(BASEVER_c).
11822         (Makefile, config.status, build/gcov-iov.o): No longer depends on
11823         version.c.
11824         (version.o): Depend on version files; add custom generation command.
11825         (prefix.o): Define BASEVER on command line.
11826         (s-iov): Depend on version files; adjust command.
11827         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
11828         Add gcc-vers.texi.
11829         (gcc-vers.texi): New rule.
11830         (doc/%.info, doc/%.dvi): Add -I . to command line.
11831         (doc/gccinstall.dvi): Likewise.
11832         (PACKAGE): Delete.  All uses replaced with "gcc".
11833         * aclocal.m4: Do not include gcc-version.m4.
11834         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
11835         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
11836         Set is_release based on contents of DEV-PHASE.
11837         Set gcc_version based on contents of BASE-VER.
11838         Define WIN32_REGISTRY_KEY only if the user overrode the default.
11839         * config.in, configure: Regenerate.
11840         * gccbug.in: Determine version of GCC in use at runtime.
11841         * gcov-iov.c: Get version number and development phase from
11842         command line, not by including version.c.
11843         * intl.c: Replace all uses of PACKAGE with "gcc".
11844         * libada-mk.in: Delete unused "gcc_version" variable.
11845         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
11846         * version.c: (VERSUFFIX): New hook for redistributors; adjust
11847         commentary to match.
11848         (version_string): Put together from pieces.
11849         * config/alpha/x-vms: Do not use $(gcc_version).
11850         * config/i386/t-nwld: Likewise.
11851         * doc/include/gcc-common.texi: Include gcc-vers.texi for
11852         version-GCC and DEVELOPMENT.
11853
11854 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11855
11856         PR tree-optimization/17454
11857         * tree.c (tree_size): Add case for TREE_BINFO.
11858         * fold-const.c (fold_checksum_tree): Only clear the overloaded
11859         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
11860
11861 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11862
11863         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
11864         op1 whilst expanding the signed widenening multiply variant.
11865
11866 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
11867
11868         * toplev.c (display_target_options): Avoid unused variable warning if
11869         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
11870         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
11871         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
11872         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
11873         (mips_isa_info): New variable.
11874         (mips_parse_cpu): Remove the first argument and leave the caller
11875         to report errors.
11876         (TARGET_HANDLE_OPTION): Override default.
11877         (mips_handle_option): New function.  Move option validation code from...
11878         (override_options): ...here.  Update calls to mips_parse_cpu.
11879         * config/mips/mips.h (mips_arch_string, mips_tune_string)
11880         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
11881         (SUBTARGET_TARGET_OPTIONS): Delete.
11882         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
11883         (mno-flush-func, mtune=): New options.
11884
11885 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11886             Richard Henderson  <rth@redhat.com>
11887
11888         * real.c (c4x_single_format, c4x_extended_format): Provide values
11889         for signbit_ro for c4x's single and extended floating point formats.
11890         * optabs.c (expand_copysign): Use the floating point format's
11891         signbit_ro for expanding via expand_copysign_absneg, and it's
11892         signbit_rw field for expanding via expand_copysign_bit.
11893
11894 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
11895
11896         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
11897         known_alignment_for_access_p.
11898         (known_alignment_for_access_p): New.
11899         (do_peeling_for_alignment): Field made int instead of bool and renamed
11900         to peeling_for_alignment.
11901         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
11902         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
11903         functionality used to be in vect_analyze_operations.
11904         (vect_analyze_operations): Code to determine vectorization factor was
11905         moved to vect_determine_vectorization_factor.
11906         (vect_enhance_data_refs_alignment): Update to correct alignment when it
11907         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
11908         factor.
11909         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
11910         be part of vect_analyze_operations).
11911         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
11912         creating the guard condition, as the number of iterations may be
11913         constant.
11914         (slpeel_tree_peel_loop_to_edge): Use new name of
11915         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
11916         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
11917         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
11918         (vect_do_peeling_for_alignment): Use fold.
11919         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
11920
11921         (vect_update_inits_of_dr): Renamed to
11922         vect_update_init_of_dr.
11923         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
11924         (vectorizable_store): Fix assertion to use == instead of =.
11925
11926 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
11927
11928         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
11929         call_used_regs for wCG registers.
11930
11931 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
11932
11933         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
11934         for non-offsettable memory references to cope with outstanding reload
11935         replacements, take 2.
11936
11937 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
11938
11939         PR target/18668
11940         * config/i386/i386.h (x86_fisttp): New.
11941         (TARGET_FISTTP): New macro.
11942         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
11943         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
11944         instruction when fisttp flag is set.
11945         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
11946
11947         * config/i386/i386.md (type attribute): Add fisttp.
11948         (unit attribute): Set to i387 for fisttp type.
11949         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
11950         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
11951         TARGET_FISTTP.
11952         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
11953         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
11954         macros.
11955         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
11956         patterns for TARGET_FISTTP.  Enable patterns for
11957         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
11958         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
11959         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
11960         implement fisttp x87 insn.
11961         (fix_trunc*_i387_fisttp splitters): New patterns.
11962         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
11963         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
11964         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
11965         clobber.
11966         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
11967         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
11968         Implement using mode macros. Disable patterns for TARGET_FISTTP.
11969         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
11970         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
11971         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
11972         Disable patterns for TARGET_FISTTP.
11973         (fix_trunc*_i387 splitters): Implement usign mode macros.
11974         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
11975         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
11976         (fix_trunx*_sse peephole2s): Implement using mode macros.
11977
11978 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
11979
11980         PR rtl-optimization/20291
11981         * combine.c (try_combine): If splitting fails, re-try with
11982         original combined pattern, i.e. before clobber stripping.
11983
11984 2005-03-14  Eric Christopher  <echristo@redhat.com>
11985
11986         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
11987         STACK_GROWS_DOWNWARD.
11988
11989 2005-03-14  Roger Sayle  <roger@eyesopen.com>
11990
11991         * real.h (struct real_format): Split the signbit field into two
11992         two fields, signbit_ro and signbit_rw.
11993         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
11994         mips_double_format, ieee_extended_motorola_format,
11995         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
11996         ieee_extended_intel_128_format, ibm_extended_format,
11997         mips_extended_format, ieee_quad_format, mips_quad_format,
11998         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
11999         i370_double_format, c4x_single_format, c4x_extended_format,
12000         real_internal_format): Update initializers for new field.
12001         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
12002         real_format structure.
12003         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
12004         field of the real_format structure.
12005
12006 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
12007
12008         Fix PR tree-optimization/20458
12009
12010         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
12011         DECL_EXTERNAL on STRUCT_FIELD tags.
12012         (clear_call_clobbered): Ditto.
12013         * tree-ssa-operands.c (note_addressable): Make sure the original
12014         variable doesn't slip into the addressable list if we have
12015         subvars.
12016         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
12017         tags too.
12018
12019 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
12020
12021         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
12022         (-fwide-exec-charset): Likewise.
12023         (-finput-charset): Likewise.
12024         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
12025         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
12026         * c.opt (Wnormalized): New.
12027
12028 2005-03-14  Devang Patel  <dpatel@apple.com>
12029
12030         * doc/invoke.texi: Add reference to Visibility document.
12031
12032 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
12033
12034         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
12035         MASK_SPLIT_ADDRESSES.
12036         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
12037         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
12038         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
12039         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
12040         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
12041         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
12042         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
12043         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
12044         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
12045         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
12046         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
12047         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
12048         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
12049         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
12050         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
12051         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
12052         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
12053         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
12054         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
12055         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
12056         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
12057         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
12058         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
12059         (TARGET_EXPLICIT_RELOCS): Delete.
12060         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
12061         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
12062         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
12063         (override_options): Set MASK_LONG64 if -mint64 is given and no
12064         -mlongXX option is.  Complain about -mint64 -mlong32.
12065         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
12066         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
12067         * config/mips/mips.opt: New file.
12068
12069 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
12070
12071         * config.gcc (extra_options): New variable for listing option files.
12072         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
12073         * configure.ac (extra_opt_files): New AC_SUBST variable.
12074         (tm_file_list, tm_include_list): Include options.h first.
12075         * configure: Regenerate.
12076         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
12077         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
12078         (s-options-h): New rule.
12079         (options.h): Depend on it.
12080         (TEXI_GCCINT_FILES): Add options.texi.
12081         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
12082         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
12083         * target.h (gcc_target): Add default_target_flags and handle_option.
12084         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
12085         (TARGET_HANDLE_OPTION): New macros.
12086         (TARGET_INITIALIZER): Include them.
12087         * opt-functions.awk (opt_args, nth_arg): New functions.
12088         (switch_flags): Handle the "Target" flag.
12089         (var_args): Delete.
12090         (var_name): Use opt_args and nth_arg.
12091         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
12092         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
12093         macros for the "Mask" and "InverseMask" options.
12094         * opts.h (cl_var_cond): New enum.
12095         (cl_option): Replace the "has_set_value" and "set_value" fields with
12096         "var_cond" and "var_value".
12097         (CL_TARGET): New macro.
12098         (option_enabled, print_filtered_help): Declare.
12099         (decode_options): Move definition.
12100         * opts.c (handle_option): Search for the original option before
12101         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
12102         var_cond and var_value fields.  Use targetm.handle_option to handle
12103         target options.
12104         (decode_options): Set target_flags to targetm.default_target_flags.
12105         (print_filtered_help): Make global.  Handle CL_TARGET.
12106         (option_enabled): New function.
12107         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
12108         (display_target_options, set_target_switch, print_switch_values)
12109         (default_pch_valid_p): Guard uses of target_switches with
12110         #ifdef TARGET_SWITCHES.  Also...
12111         (display_target_options): Display the CL_TARGET entries in cl_options.
12112         (set_target_option): Don't complain about the "" option when
12113         TARGET_SWITCHES is undefined.
12114         (print_switch_values): Use option_enabled.
12115         (default_pch_valid_p): Check cl_options[] when looking for something
12116         that has changed the value of target_flags.
12117         * c.opt: Remove documentation from top of file.
12118         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
12119         * doc/sourecebuild.texi: Refer to the new options documentation
12120         instead of c.opt.  Document machine-specific .opt files.
12121         * doc/tm.texi (target_flags): Say that this variable is declared
12122         by options.h.
12123         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
12124         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
12125         an alternative.
12126         * doc/options.texi: New file.
12127
12128 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
12129
12130         PR middle-end/18628
12131         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
12132         register.
12133
12134 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
12135
12136         PR c++/20280
12137         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
12138         temporary variable of pointer type if an lvalues is required.
12139         (gimplify_modify_expr_rhs): Request an rvalue from it.
12140         (gimplify_expr): Pass fallback on.
12141
12142 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
12143
12144         * cfgbuild.c: Update comments.
12145
12146 2005-03-14  Roger Sayle  <roger@eyesopen.com>
12147
12148         PR rtl-optimization/17236
12149         * optabs.c (expand_doubleword_mult): New helper function split out
12150         from expand_binop.  Permute the order in which instructions are
12151         emitted to minimize the number of simultaneously live registers.
12152         (expand_binop): Call expand_doubleword_mult to synthesize a double
12153         word multiplication.
12154
12155 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
12156
12157         * basic-block.h: Update the prototypes of cached_make_edge and
12158         rtl_make_eh_edge.
12159         * cfg.c (cached_make_edge): Take edge_cache representing one
12160         row of the adjacency matrix of edges.
12161         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
12162         (make_edges): Initialize edge_cache to represent one row of
12163         the adjacency matrix of edges.
12164
12165 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
12166
12167         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
12168         New functions.
12169         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
12170         Remove unused removed_phis variable.
12171         (conditional_replacement): Use build1/build2.
12172         (abs_replacement): Use last_and_only_stmt and build1/build2.
12173
12174 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
12175
12176         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
12177         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
12178         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
12179         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
12180         * c-common.c (handle_novops_attribute): New function.
12181         (c_common_attribute_table): Add "no vops" entry.
12182         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
12183         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
12184         * tree-ssa-operands.c (get_call_expr_operands): Do not
12185         create virtual operands for calls with ECF_NOVOPS flag.
12186         * tree.h (DECL_IS_NOVOPS): New macro.
12187         (struct tree_decl): Add novops_flag.
12188         (ECF_NOVOPS): New constant.
12189
12190 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
12191
12192         PR target/17688
12193         * config/i386/i386.c (x86_use_himode_fiop): New.
12194         (x86_use_simode_fiop): Rename from x86_use_fiop.
12195         * config/i386/i386.h (x86_use_himode_fiop): Declare.
12196         (TARGET_USE_HIMODE_FIOP): New.
12197         (x86_use_simode_fiop): Rename from x86_use_fiop.
12198         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
12199
12200         * config/i386/i386.md (X87MODEI12): New mode macro define.
12201         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
12202         to implement x87 FP compare with HImode input operands.
12203         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
12204         Use X87MODEI12 mode macro to handle HImode input operands.
12205         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
12206         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
12207         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
12208         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
12209         macro to implement x87 operators with HImode input operands.
12210         (fop splitters): Use X87MODEI12 mode macro to handle HImode
12211         input operands.
12212
12213 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
12214
12215         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
12216         integer_zerop.
12217         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
12218         constants invariant.
12219
12220 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
12221
12222         * basic-block.h (BB_VISITED): Removed.
12223         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
12224
12225 2005-03-14  Falk Hueffner  <falk@debian.org>
12226
12227         PR bootstrap/20424
12228         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
12229
12230 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
12231
12232         * ggc-zone.c: Fix comment typos.
12233
12234         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
12235         stringpool.c, config/mips/mips-protos.h: Update copyright.
12236
12237 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
12238
12239         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
12240         throughout with its typedef, "rtx".
12241         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
12242         (rs6000_tls_symbol_ref_1): Remove inline keyword.
12243         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
12244         regs in comment to match code.
12245
12246 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
12247
12248         * except.c (check_handled): Make it static.
12249         * except.h: Remove the corresponding prototype.
12250
12251         * function.c (get_func_frame_size): Make it static.
12252         * function.h: Remove the corresponding type.
12253
12254         * regclass.c (reg_class_superclasses, reg_class_subclasses):
12255         Make them static.
12256         * hard-reg-set.h: Remove the corresponding declarations.
12257
12258         * tree-cfg.c (verify_stmts): Check that
12259         bb_for_stmt (stmt) == bb for every PHI node and statement.
12260
12261 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
12262
12263         * config.gcc: Remove excess indentation.
12264         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
12265
12266 2005-03-13  Roger Sayle  <roger@eyesopen.com>
12267
12268         PR middle-end/19331
12269         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
12270         * fold-const.c (fold_sign_changed_comparison): Likewise.
12271         (fold_binary): Optimize comparisons against widened operands if
12272         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
12273
12274 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12275
12276         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
12277         (sparc_override_options): Initialize it.
12278         (sparc_struct_value_rtx): Set it on the MEM to be returned.
12279
12280 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
12281
12282         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
12283         (reg_or_none500mem_operand): New predicate.
12284         (zero_reg_mem_operand): New predicate.
12285         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
12286         to reg_or_none500mem_operand.
12287         (extendsfdf2_fpr): Add MEM alternative.
12288         (extenddftf2_internal): Change operand2 predicate to
12289         zero_reg_mem_operand.
12290
12291 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
12292
12293         * ggc-zone.c: Rewritten.
12294
12295         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
12296         if there are none.
12297         * configure.ac: Define GGC_ZONE for --with-gc=zone.
12298         * config.in: Regenerated.
12299         * configure: Regenerated.
12300         * gengtype.c (write_types_process_field, write_func_for_structure):
12301         Pass new argument to gt_pch_note_object.
12302         * ggc-common.c (struct ptr_data): Add TYPE.
12303         (gt_pch_note_object): Take TYPE argument and save it.
12304         (call_count): Update call to ggc_pch_count_object.
12305         (call_alloc): Update call to ggc_pch_alloc_object.
12306         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
12307         file.
12308         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
12309         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
12310         (ggc_alloc_zone_stat): Delete.
12311         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
12312         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
12313         (ggc_pch_alloc_object): Update prototypes.
12314         (garbage_zone): Delete.
12315         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
12316         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
12317         pointers.
12318         (tree_id_zone): New variable.
12319         (ggc_alloc_cleared_zone): Remove unused.
12320         (ggc_alloc_zone): Define.
12321         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
12322         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
12323         ggc_alloc_zone_stat.
12324         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
12325         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
12326         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
12327         (make_node_stat): Likewise.  Use tree_id_zone.
12328
12329 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
12330             Joseph S. Myers  <joseph@codesourcery.com>
12331
12332         * configure.ac: Check for MIPS TLS.
12333         * configure: Regenerated.
12334         * config/mips/mips-protos.h (enum mips_symbol_type): Add
12335         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
12336         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
12337         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
12338         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
12339         (mips_classify_symbol, mips_symbolic_constant_p)
12340         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
12341         (mips_tls_operand_p, mips_call_tls_get_addr)
12342         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
12343         (mips_tls_symbol_ref_1): New functions.
12344         (mips_legitimize_address, mips_legitimize_const_move): Call
12345         mips_legitimize_tls_address.
12346         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
12347         for MIPS16.
12348         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
12349         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
12350         (mips_char_to_class): Document V1_REG.
12351         (HAVE_AS_TLS): Provide default.
12352         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
12353         constants.
12354         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
12355         !TARGET_ABICALLS.
12356         (tls_get_tp_<mode>): New instruction.
12357
12358 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
12359
12360         * configure.ac: Update checks for target tools.
12361         * configure: Regenerated.
12362
12363 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
12364
12365         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
12366
12367 2005-03-13  Roger Sayle  <roger@eyesopen.com>
12368
12369         * expmed.c (expand_mult): Use synthetic multiplication sequences for
12370         more classes of DImode multiplication by constant.  Allow both
12371         multiplication by small negative constants (by performing a
12372         multiplication by a positive constant and negating the result) and
12373         multiplications by large powers of two, by using a left shift.
12374
12375 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
12376
12377         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
12378         of basic blocks into work_stack.
12379
12380         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
12381         config/mips/vr.h: Update copyright.
12382
12383         * c-decl.c (c_init_decl_processing): Remove useless calls to
12384         build_function_type.
12385
12386         * builtins.c (fold_trunc_transparent_mathfn,
12387         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
12388         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
12389         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
12390         fold_builtin_strcpy, fold_builtin_strncpy,
12391         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
12392         TREE_TYPE (exp).
12393
12394         * builtins.c (expand_builtin_mathfn_3): Remove local variable
12395         before_call.
12396
12397         * lambda-code.c (lambda_compute_auxillary_space): Remove local
12398         variable determinant.
12399
12400         * tree-cfg.c (group_case_labels): Remove local variable type.
12401
12402         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
12403         variable ann.
12404
12405         * tree-ssa-phiopt.c (value_replacement): Remove local variable
12406         result.
12407
12408 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
12409
12410         PR target/18251
12411         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
12412         (*movmemqi_insn): Delete.
12413         (*movmemhi): Delete.
12414
12415 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
12416
12417         * builtins.c (fold_builtin_classify): Take decomposed
12418         arguments of CALL_EXPR.
12419         (fold_builtin_1): Update a call to fold_builtin_classify.
12420
12421 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
12422
12423         PR c/20402
12424         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
12425         through into call to parser_xref_tag after parse error.
12426         (c_parser_struct_declaration): Consistently return NULL_TREE on
12427         error.
12428
12429 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
12430
12431         * tree-flow-inline.h (ref_contains_array_ref): New function.
12432         (lookup_subvars_for_var): Ditto.
12433         (get_subvars_for_var): Ditto.
12434         (var_can_have_subvars): Ditto.
12435
12436         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
12437         (struct subvar): New type.
12438
12439         * tree-dfa.c (okay_component_ref_for_subvars): New function.
12440
12441         * tree-optimize.c (init_tree_optimization_passes): Call
12442         pass_create_structure_vars.
12443
12444         * tree-ssa-alias.c: Include vec.h.
12445         (init_alias_info): Don't auto-clear call clobbered on struct-field
12446         tags.
12447         (compute_flow_insensitive_aliasing): Handle subvars.
12448         (group_aliases): Handle STRUCT_FIELD aliases.
12449         (setup_pointers_and_addressables): Ditto.
12450         Don't mark variables non-addressable if they still have
12451         addressable subvars.
12452         Also mark subvars addressable when the real variable is marked
12453         addressable.
12454         (add_pointed_to_var): Try to prune the pointed-to set by only
12455         pointing to subvars when possible.
12456         Otherwise, make sure we set addresses_needed and pt_vars to
12457         properly include subvars.
12458         (bitpos_of_field): New function.
12459         (push_fields_onto_fieldstack): Ditto.
12460         (get_or_create_used_part_for): Ditto.
12461         (create_overlap_variables_for): Ditto.
12462         (find_used_portions): Ditto.
12463         (create_structure_vars): Ditto.
12464         (pass_create_structure_vars): New structure.
12465
12466         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
12467         (get_expr_operands): Handle subvars.  Also try to turn
12468         COMPONENT_REF accesses into must-defs now that we can accurately
12469         portray it.
12470         (note_addressable): Try to only mark as addressable those subvars
12471         we know a COMPONENT_REF touches.
12472         (overlap_subvar): New function.
12473
12474         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
12475         Handle subvar storing.
12476         (vect_address_analysis): Update caller of vect_object_analysis.
12477
12478         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
12479
12480         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
12481         (STMT_VINFO_SUBVARS): New macro.
12482
12483         * common.opts: add flag_tree_salias.
12484
12485         * opts.c (decode_options): flag_tree_salias defaults to on.
12486
12487         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
12488
12489         * doc/tree-ssa.texi: Document structural alias analysis.
12490
12491 2005-03-12  Steven Bosscher  <stevenb@suse.de>
12492
12493         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
12494         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
12495         * tree-ssa-operands.c (get_expr_operands): Likewise.
12496         (get_expr_operands): Likewise for ERROR_MARK.
12497
12498 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
12499
12500         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
12501         var.
12502
12503         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
12504         removed_phis.
12505
12506         * tree-ssa-pre.c (compute_avail): Remove local variable val.
12507         (mark_operand_necessary): Remove local variable ver.
12508
12509         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
12510         variable prefix_len.
12511
12512         * value-prof.c (mod_subtract_transform): Remove local variable
12513         value.
12514
12515         * builtins.c (fold_builtin_exponent): Take decomposed
12516         arguments of CALL_EXPR.
12517         (fold_builtin_1): Update a call to fold_builtin_exponent.
12518
12519         * builtins.c (fold_builtin_logarithm): Take decomposed
12520         arguments of CALL_EXPR.
12521         (fold_builtin_1): Update a call to fold_builtin_logarithm.
12522
12523         * c-decl.c (c_init_decl_processing): Remove local variables
12524         ptr_ftype_void and ptr_ftype_ptr.
12525
12526         * gimplify.c (gimplify_expr): Remove local variables r0 and
12527         r1.
12528
12529         * reg-stack.c (move_for_stack_reg): Remove local variable
12530         push_insn.
12531         (compare_for_stack_reg): Remove local variable flags_user.
12532         (convert_regs_1): Remove local variable deleted.
12533
12534         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
12535         variable new_cond.
12536         (combine_blocks): Remove local variables exits and new_e.
12537
12538         * tree-inline.c (expand_call_inline): Remove local variable
12539         decl.
12540
12541         * tree-ssa-live.c (create_ssa_var_map,
12542         calculate_live_on_entry): Remove local variable snn.
12543
12544 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
12545
12546         * c-lex.c (c_lex_with_flags): Add parameter to call to
12547         cpp_spell_token.
12548
12549 2005-03-11  Per Bothner  <per@bothner.com>
12550
12551         * c-tree.h (struct c_declarator): New id_loc field.
12552         * c-pragma.h (c_lex_with_flags): Take position reference.
12553         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
12554         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
12555         (c_lex): Pass dummy location to c_lex_with_flags.
12556         * c-parser.c (c_lex_one_token): Set c_token's location using
12557         c_lex_with_flags, instead of input_location, which might be "ahead".
12558         (c_parser_direct_declarator): Set declarator's id_loc from
12559         c_token's id_loc.
12560         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
12561         declarator's id_loc, rather than probably-imprecise input_location.
12562         (build_id_declarator): Initialize c_declarator's id_loc field.
12563
12564 2005-03-11  Roger Sayle  <roger@eyesopen.com>
12565
12566         PR middle-end/20419
12567         * builtins.c (expand_builtin_signbit): Force the signbit's word
12568         into an integer register to avoid SUBREGs of floating point modes.
12569
12570 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
12571
12572         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
12573         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
12574         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
12575         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
12576
12577 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
12578
12579         PR rtl-optimization/20306
12580         * expr.c (emit_move_complex): Set try_int false if mode is
12581         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
12582         emit_block_move if try_int is true.
12583
12584 2005-03-11  Richard Henderson  <rth@redhat.com>
12585
12586         PR target/20415
12587         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
12588         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
12589         to match.
12590
12591 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
12592
12593         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
12594         (TARGET_FIX_VR4130): New macro.
12595         (TARGET_OPTIONS): Add -mfix-vr4130.
12596         (ISA_HAS_MACCHI): New macro.
12597         (ASM_SPEC): Add -mfix-vr4130.
12598         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
12599         (override_options): Handle mips_fix_vr4130_string.
12600         (mips_avoid_hazards): Clear all_noreorder_p
12601         if we're working around VR4130 errata and the macc alternatives
12602         are not available.
12603         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
12604         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
12605         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
12606         (MULTILIB_DEFAULTS): Remove leading "march=".
12607         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
12608         if no architecture option is given.
12609         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
12610         VR4130 multilibs.
12611         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
12612         * doc/invoke.texi: Document -mfix-vr4130.
12613
12614 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
12615
12616         * config/mips/mips.c (override_options): Only warn about -mint64
12617         deprecation if TARGET_INT64.
12618
12619 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12620
12621         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
12622         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
12623         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
12624         are non-specific regarding the nonnull parameter positions.
12625         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
12626         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
12627         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
12628         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
12629
12630         * builtins.def: Use the non-specific "nonnull" attibute lists.
12631
12632 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
12633
12634         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
12635         single_pred_edge, single_succ, single_pred): Improve comments.
12636
12637 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
12638
12639         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
12640         single_pred_edge, single_succ, single_pred): New inline functions.
12641         * bb-reorder.c (rotate_loop, find_traces_1_round,
12642         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
12643         duplicate_computed_gotos): Use the single_succ/pred functions.
12644         * cfganal.c (forwarder_block_p): Ditto.
12645         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
12646         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
12647         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
12648         merge_seq_blocks): Ditto.
12649         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
12650         * cfglayout.c (fixup_reorder_chain): Ditto.
12651         * cfgloop.c (mark_single_exit_loops, update_latch_info,
12652         canonicalize_loop_headers, verify_loop_structure): Ditto.
12653         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
12654         mfb_update_loops, create_preheader, force_single_succ_latches,
12655         create_loop_notes): Ditto.
12656         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
12657         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
12658         commit_one_edge_insertion, purge_dead_edges,
12659         cfg_layout_can_merge_blocks_p): Ditto.
12660         * except.c (sjlj_emit_function_enter): Ditto.
12661         * flow.c (init_propagate_block_info): Ditto.
12662         * function.c (thread_prologue_and_epilogue_insns): Ditto.
12663         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
12664         insert_insn_end_bb): Ditto.
12665         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
12666         find_if_case_2): Ditto.
12667         * lambda-code.c (perfect_nestify): Ditto.
12668         * lcm.c (optimize_mode_switching): Ditto.
12669         * loop-doloop.c (doloop_modify): Ditto.
12670         * loop-init.c (loop_optimizer_init): Ditto.
12671         * loop-iv.c (simplify_using_initial_values): Ditto.
12672         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
12673         * loop-unswitch.c (unswitch_loop): Ditto.
12674         * modulo-sched.c (generate_prolog_epilog): Ditto.
12675         * predict.c (combine_predictions_for_insn, estimate_probability,
12676         tree_estimate_probability, last_basic_block_p,
12677         estimate_bb_frequencies): Ditto.
12678         * profile.c (branch_prob): Ditto.
12679         * regrename.c (copyprop_hardreg_forward): Ditto.
12680         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
12681         * tracer.c (layout_superblocks): Ditto.
12682         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
12683         cfg_remove_useless_stmts_bb, cleanup_control_flow,
12684         cleanup_control_expr_graph, disband_implicit_edges,
12685         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
12686         tree_verify_flow_info, tree_make_forwarder_block,
12687         tree_forwarder_block_p, remove_forwarder_block,
12688         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
12689         * tree-if-conv.c (tree_if_conversion): Ditto.
12690         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
12691         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
12692         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
12693         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
12694         copy_loop_headers): Ditto.
12695         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
12696         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
12697         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
12698         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
12699         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
12700         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
12701         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
12702         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
12703         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
12704         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
12705         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
12706         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
12707         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
12708         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
12709         slpeel_add_loop_guard): Ditto.
12710
12711 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
12712
12713         PR tree-optimization/15784
12714         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12715         and -1 - A to ~A.
12716
12717         * stmt.c (expand_case): Don't change index_type.  Convert minval
12718         to the proper type.
12719
12720         PR tree-optimization/20130
12721         * fold-const.c (fold): Fold x * -1 into -x.
12722
12723 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
12724
12725         PR rtl-optimization/20331
12726         * rtlanal.c (modified_between_p): Check its address first for MEM.
12727         (modified_in_p): Likewise.
12728
12729 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
12730
12731         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
12732
12733 2005-03-10  Steven Bosscher  <stevenb@suse.de>
12734
12735         * expr.c (expand_expr_real_1): If possible, use a conditional
12736         move for expanding MIN_EXPR and MAX_EXPR.
12737         Use temp for moving around rtx-en.
12738
12739 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
12740
12741         PR rtl-opt/20412
12742         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
12743         correct mode.
12744
12745 2005-03-10  Roger Sayle  <roger@eyesopen.com>
12746
12747         * builtins.c (expand_builtin_signbit): Extend to handle floating
12748         point modes wider than the largest integer type, using the
12749         operand_subword_force function to obtain the signbit's word.
12750
12751 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
12752
12753         PR target/20322
12754         * combine.c (try_combine): If recog_for_combine added CLOBBERs
12755         to NEWI2PAT, fail to combine if they are used by NEWPAT.
12756
12757 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
12758
12759         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
12760
12761 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
12762
12763         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
12764         type void.
12765         (perform_edge_inserts): Unconditionally call
12766         free_dominator_info.
12767
12768         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
12769
12770 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
12771
12772         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
12773
12774 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
12775
12776         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
12777
12778         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
12779         gcc_unreachable.
12780         (rtl_register_value_prof_hooks,
12781         tree_value_profile_transformations,
12782         tree_register_value_prof_hooks): Likewise.
12783         * var-tracking.c (stack_adjust_offset_pre_post,
12784         variable_htab_free, variable_union, dataflow_set_different_2,
12785         count_uses, variable_was_changed, set_frame_base_location,
12786         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
12787         vt_add_function_parameters): Likewise.
12788         * varasm.c (named_section_real, named_section, make_decl_rtl,
12789         asm_emit_uninitialised, assemble_integer, decode_addr_const,
12790         const_hash_1, compare_constant, copy_constant, force_const_mem,
12791         output_constant_pool_2, output_constant_pool_1, output_constant,
12792         output_constructor, make_decl_one_only, decl_tls_model,
12793         default_no_named_section, default_elf_select_section_1,
12794         default_unique_section_1): Likewise.
12795         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
12796         * vmsdbgout.c (addr_const_to_string): Likewise.
12797
12798         PR c++/20375
12799         * function.c (struct assign_parm_data_one): Remove last_named
12800         field.
12801         (assign_parm_find_data_types): Don't determine last_named.
12802         Reorder named_parm determination.
12803         (assign_parms): Only setup varargs on the last non-varadic
12804         parameter.
12805
12806 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
12807
12808         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
12809         sda base address on medium model.
12810
12811 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
12812
12813         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
12814         * cfgloop.c (flow_loop_nodes_find): Export.
12815         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
12816         Declare.
12817         * cfgloopmanip.c (fix_loop_structure): New function.
12818         * predict.c (predict_loops): Clean up the loops information.
12819         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
12820         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
12821         loop structure.
12822         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
12823         (rewrite_into_loop_closed_ssa): Declaration changed.
12824         * tree-loop-linear.c (linear_transform_loops): Add argument to
12825         rewrite_into_loop_closed_ssa call.
12826         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12827         * tree-ssa-loop-im.c (move_computations): Ditto.
12828         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12829         * tree-vectorizer.c (vectorize_loops): Ditto.
12830         * tree-optimize.c: Include cfgloop.h.
12831         (execute_todo): Choose whether to call cleanup_tree_cfg or
12832         cleanup_tree_cfg_loop.
12833         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
12834         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
12835         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
12836         cleanup_tree_cfg_loop call.
12837         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
12838         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
12839         work on part of cfg.
12840
12841 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
12842
12843         PR inline-asm/20314
12844         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
12845         with multiple alternatives.
12846
12847         * stmt.c (parse_output_constraint): Fix a typo.
12848
12849 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
12850
12851         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
12852         assembly directive instead of deprecated "no-generics".
12853
12854 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
12855
12856         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
12857         for non-offsettable memory references to cope with outstanding reload
12858         replacements.
12859         * config/s390/s390.md ("reload_outti"): Call find_replacement to
12860         avoid losing outstanding address reloads.
12861         ("reload_outdi", "reload_outdf"): Likewise.
12862
12863 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12864
12865         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
12866         code.  Add more cbrt transformations.
12867
12868 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12869
12870         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
12871
12872 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
12873
12874         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
12875         NULL_TREE when a given tree is not simplified.
12876         (fold): Return the original tree when any of the functions
12877         mentioned above NULL_TREE.
12878
12879         * fold-const.c (fold_unary, fold_binary): Take decomposed
12880         arguments, code, type, op0, and op1 in case of fold_binary.
12881         (fold): Update calls to fold_unary and fold_binary.
12882
12883 2005-03-09  Roger Sayle  <roger@eyesopen.com>
12884
12885         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
12886         a fndecl and an arglist instead of a CALL_EXPR, exp.
12887
12888 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
12889
12890         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
12891
12892         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
12893
12894         * expr.c (expand_assignment): Remove orig_to_rtx.
12895
12896         * fold-const.c (int_const_binop): Remove no_overflow.
12897
12898         * ifcvt.c (noce_emit_move_insn): Remove inmode.
12899
12900         * loop-iv.c (get_biv_step_1): Remove lhs.
12901
12902         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
12903
12904         * real.c (real_nan): Remove neg.
12905
12906         * function.c (thread_prologue_and_epilogue_insns): Remove i
12907         and newinsn.
12908
12909         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
12910         tb.
12911
12912         * tree-eh.c (tree_could_trap_p): Remove idx.
12913
12914         * tree-into-ssa.c (ann): Remove ann.
12915
12916         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
12917
12918         * tree-sra.c (decide_block_copy): Remove inst_count.
12919
12920         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
12921
12922         * tree-ssa-loop-im.c (lhs): Remove.
12923
12924         * cfgbuild.c (state, STATE, SET_STATE,
12925         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
12926         make_edges.
12927         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
12928         (find_basic_blocks): Set the state of each basic block to
12929         BLOCK_NEW.
12930
12931 2005-03-08  Jeff Law  <law@redhat.com>
12932
12933         * tree-cfg.c (cleanup_control_flow): If removal of a computed
12934         goto results in the removal of edges in the CFG, then we need
12935         to recompute dominators.
12936
12937 2005-03-09  Ben Elliston  <bje@au.ibm.com>
12938
12939         * c-common.c (c_do_switch_warnings): Comment fix.
12940
12941 2005-03-08  Julian Brown  <julian@codesourcery.com>
12942
12943         * Patch from 2005-03-08 reverted for causing regressions and
12944         ppc-darwin bootstrap failure.
12945
12946 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
12947
12948         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
12949         Define the real function for ppc-darwin.
12950         * c-typeck.c (convert_arguments): Check for target-specific
12951         invalid argument call to unprototyped function.
12952         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
12953         New Macro.
12954         * target.h (invalid_arg_for_unprototyped_fn): New field
12955         in struct calls.
12956         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
12957         default target hook.
12958         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
12959         Declare.
12960
12961 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12962
12963         * c-typeck.c (constructor_stack, constructor_range_stack,
12964         initializer_stack): Make them static.
12965
12966         * cfg.c (rbi_pool): Make it static.
12967
12968         * gimple-low.c (lower_stmt_body): Make it static.
12969         * tree-flow.h: Remove the corresponding prototype.  Don't
12970         declare lower_data.
12971
12972         * sched-deps.c (cache_size): Make it static.
12973
12974         * stor-layout.c (lang_adjust_rli): Make it static.
12975
12976 2005-03-08  Julian Brown  <julian@codesourcery.com>
12977
12978         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
12979         from being used for symbols with vague linkage when
12980         HAVE_GAS_COMDAT_GROUP is true.
12981
12982 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
12983
12984         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
12985         nlabel == JUMP_LABEL (jump).
12986
12987 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12988
12989         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
12990         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
12991         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
12992         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
12993
12994 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
12995
12996         PR c/14411
12997         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
12998         * c-common.c (handle_returns_twice): New function.
12999         (c_common_attribute_table): Declare eturns_twice' attribute.
13000         * doc/extend.texi: Document eturns_twice' attribute.
13001         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
13002         (struct tree_decl): Add returns_twice_flag.
13003
13004 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
13005
13006         * tree-ssa-phiopt.c: Fix a comment typo.
13007
13008         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
13009         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
13010         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
13011         copyright.
13012
13013 2005-03-08  Richard Henderson  <rth@redhat.com>
13014
13015         * config/alpha/alpha.c (code_for_builtin): Replace special-case
13016         builtin codes with ctzdi2, clzdi2, popcountdi2.
13017         (struct alpha_builtin_def): Add is_const.
13018         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
13019         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
13020         (alpha_init_builtins): Init them.  Set nothrow and const attributes
13021         on builtins.
13022         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
13023         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
13024         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
13025         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
13026         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
13027         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
13028         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
13029         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
13030         (TARGET_FOLD_BUILTIN): New.
13031         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
13032         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
13033         (ffsdi2): Use ctz.
13034         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
13035
13036 2005-03-08  Ira Rosen  <irar@il.ibm.com>
13037
13038         PR tree-optimization/20122
13039         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
13040         condition of access function instead of base.
13041
13042 2005-03-07  Jeff Law  <law@redhat.com>
13043             Steven Bosscher  <stevenb@suse.de>
13044
13045         * tree-cfg.c (find_taken_edge_computed_goto): New function.
13046         (find_taken_edge): Call find_taken_edge_computed_goto as
13047         appropriate.  Allow any gimple invariant rather than just
13048         INTEGER_CST for VAL.
13049         (cleanup_control_flow): Cleanup a computed goto which has turned
13050         into a simple goto.
13051         (tree_merge_blocks): If block B has any forced labels, move
13052         them to the start of block A.
13053         * tree-ssa-dom.c (thread_across_edge): Allow threading across
13054         computed gotos as well.
13055         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
13056         removal of unnecessary computed gotos too.
13057         (lookup_redirection_data): Fix type of INSERT argument.  Callers
13058         updated.
13059
13060 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
13061
13062         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
13063         Remove trailing spaces.
13064
13065         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
13066         unshare_all_trees): Make them static.
13067         * tree-gimple.h: Remove the corresponding prototypes.
13068
13069         * diagnostic.h: Remove unused prototype
13070         debug_output_buffer.
13071         * modulo-sched.c: Remove unused prototype
13072         set_row_column_for_ps.
13073
13074         * tree-ssa-phiopt.c (tree_ssa_phiopt,
13075         replace_phi_edge_with_variable): Remove unused variable i.
13076
13077 2005-03-07  Per Bothner  <per@bothner.com>
13078
13079         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
13080
13081 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
13082
13083         PR tree-opt/17671
13084         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
13085         bbs on the COND_EXPR instead of the PHI_NODEs.
13086         (candidate_bb_for_phi_optimization): Remove.
13087         (replace_phi_with_stmt): Rename to ...
13088         (replace_phi_edge_with_variable): this and change so that we
13089         replace the phi argument instead of removing the PHI.
13090         (conditional_replacement): Change so we deal with PHI with more
13091         than two arguments.
13092         (value_replacement): Likewise.
13093         (abs_replacement): Likewise.
13094
13095 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
13096
13097         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
13098         output_e500_flip_gt_bit.
13099
13100         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
13101         as bit 31.
13102         (rs6000_generate_compare): Fix logic to look at the correct bits.
13103         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
13104         Look at GT bit.
13105         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
13106         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
13107         gen_move_from_CR_gt_bit.
13108
13109         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
13110         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
13111         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
13112
13113         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
13114         (E500_CR_IOR_COMPARE): New constant.
13115
13116 2005-03-08  Earl Chew <earl_chew@agilent.com>
13117             David Billinghurst <David.Billinghurst@riotinto.com>
13118
13119         * config/i386/host-cygwin.c: New file to support precompiled
13120         headers on cygwin
13121         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
13122         * config.host: Use above files for cygwin host.
13123
13124 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
13125
13126         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
13127         ordering ops from earlier change.
13128
13129 2005-03-07  Per Bothner  <per@bothner.com>
13130
13131         Various fixes to allow us to again build if --enable-mapped-location:
13132         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
13133         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
13134         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
13135         local variable loc. Change logic appropriately.
13136         * tree-vect-transform.c (vect_finish_stmt_generation): Use
13137         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
13138         * c-parser.c (c_parser_for_statement): Initialize loc variable.
13139         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
13140         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
13141
13142 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
13143
13144         PR rtl-optimization/19683
13145         * reload1.c (choose_reload_regs): Pass the number of bits, not the
13146         number of bytes, to smallest_int_for_mode.  Fix arguments to
13147         REG_CANNOT_CHANGE_MODE_P.
13148
13149 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13150
13151         * reorg.c (relax_delay_slots): Check that the jump is
13152         conditional before trying to invert it.
13153
13154 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
13155
13156         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
13157         Make them static.
13158
13159         * calls (stack_arg_under_construction): Make it static.
13160
13161         * flow.c (regs_live_at_setjmp): Make it static.
13162         * flow.h: Remove the corresponding prototype.
13163
13164         * reload1.c (reload_startobj, reload_firstobj,
13165         something_needs_operands_changed, reload_inherited,
13166         reload_inheritance_insn, reload_override_in,
13167         reload_spill_index): Make them static.
13168
13169         * recog.c (verify_changes): Make it static.
13170         * recog.h: Remove the corresponding prototype.
13171
13172         * cfgbuild.c (find_sub_basic_blocks): Remove.
13173         * basic-block.h: Remove the corresponding prototype.
13174         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
13175         in comments.
13176         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
13177
13178         * tree-ssa-operands.c (check_build_stmt): Remove.
13179
13180         * stor-layout.c (set_alignment): Remove.
13181         * tree.h: Remove the corresponding prototype.
13182
13183         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
13184
13185         * tree-ssa-dce.c (control_dependence_map,
13186         visited_control_parents): Make them static.
13187
13188         * cfghooks.c (verify_flow_info): Remove local variable
13189         num_bb_notes.
13190
13191         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
13192         last_bb_seen.
13193
13194         * loop-unswitch.c (unswitch_loop): Remove local variable src.
13195
13196 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
13197
13198         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
13199
13200 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
13201
13202         * config/ia64/hpux.h (LINK_SPEC): Add -z.
13203         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
13204         PARALLEL for an empty structure.
13205
13206 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
13207
13208         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
13209
13210         * fold-const.c (fold_binary): Unroll the very first "for"
13211         loop.
13212
13213 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
13214
13215         * config/rs6000/predicates.md (branch_comparison_operator): Remove
13216         redundant match_code test.
13217         (scc_comparison_operator): Swap match_operand and match_code
13218         tests.
13219         (branch_positive_comparison_operator): Same.
13220         (trap_comparison_operator): Use comparison_operator and swap with
13221         match_code test.
13222
13223 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
13224
13225         PR target/20288
13226         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
13227         (out_movhi_r_mr): Read low byte of volatile MEM first.
13228         (out_movhi_mr_r): Write high byte of volatile MEM first.
13229
13230 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
13231
13232         * cselib.c (reg_values, reg_values_size): Make them static.
13233
13234         * cse.c (cse_reg_info_table): Make it static.
13235
13236         * fold-const.c (fold_unary): Use build1 instead of copy_node.
13237
13238 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
13239
13240         * cse.c (find_best_addr): Use canon_for_address.
13241
13242 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
13243
13244         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
13245         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
13246         SUBREG and MEM, respectively.
13247
13248         * fold-const.c (fold_binary): Use code instead of t.
13249
13250         * fold-const.c (optimize_minmax_comparison): Take decomposed
13251         arguments code, type, op0, and op1 instead of t.
13252         (fold_binary): Update a call to optimize_minmax_comparison.
13253
13254         * fold-const.c (fold_range_test): Take decomposed arguments
13255         code, type, op0, and op1 instead of t.
13256         (fold_binary): Update a call to fold_range_test.
13257
13258         * fold-const.c (fold_binary_op_with_conditional_arg): Take
13259         decomposed arguments code, type, op0, and op1 instead of t.
13260         (fold_binary): Update a call to fold_range_test.
13261
13262 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
13263
13264         * fold-const.c (fold_binary): Avoid directly using the original
13265         expression t as much as possible.
13266
13267 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
13268
13269         * c-semantics.c (build_stmt): Use TYPE_P instead of
13270         IS_NON_TYPE_CODE_CLASS.
13271         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
13272         (NON_TYPE_CHECK): Use TYPE_P instead of
13273         IS_NON_TYPE_CODE_CLASS.
13274
13275         * fold-const.c (fold): Remove handling of binary expressions.
13276
13277 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
13278
13279         * doc/c-tree.texi: Wrap comments in @r{}.
13280         * doc/cpp.texi: Likewise.
13281         * doc/cppinternals.texi: Likewise.
13282         * doc/extend.texi: Likewise.
13283         * doc/md.texi: Likewise.
13284         * doc/objc.texi: Likewise.
13285         * doc/sourcebuild.texi: Likewise.
13286         * doc/tm.texi: Likewise.
13287         * doc/tree-ssa.texi
13288
13289 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
13290
13291         * predict.c (apply_return_prediction): Standardize PHI chain
13292         walking.
13293         * tree-ssa.c (ssa_redirect_edge): Likewise.
13294
13295         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
13296         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
13297         Update copyright.
13298
13299         * tree-phinodes.c (remove_phi_node): Drop the last argument.
13300         * tree-flow.h: Adjust the prototype for remove_phi_node.
13301         * lambda-code.c (perfect_nestify): Adjust a call to
13302         remove_phi_node.
13303         * tree-cfg.c
13304         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
13305         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
13306         Likewise.
13307         * tree-ssa-dce.c (remove_dead_phis): Likewise.
13308         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
13309         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
13310         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
13311
13312         * combine.c (simplify_and_const_int): Use gen_int_mode instead
13313         of GEN_INT (trunc_int_for_mode (...)).
13314         * loop-iv.c (iv_number_of_iterations): Likewise.
13315         * postreload.c (reload_cse_move2add): Likewise.
13316         * simplify-rtx.c (simplify_const_unary_operation,
13317         simplify_const_binary_operation): Likewise.
13318         * stor-layout.c (get_mode_bounds): Likewise.
13319
13320         * fold-const.c (fold_binary): New.
13321         (fold): Call fold_binary on binary expressions.
13322
13323 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
13324
13325         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
13326         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
13327         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
13328         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
13329         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
13330
13331 2005-03-04  Devang Patel  <dpatel@apple.com>
13332
13333         PR tree-optimization/18815
13334         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
13335         loops with zero exit edges.
13336
13337 2005-03-04  Devang Patel  <dpatel@apple.com>
13338
13339         * doc/invoke.texi: Remove reference to webpage that does not exist.
13340
13341 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
13342             Joseph S. Myers  <joseph@codesourcery.com>
13343
13344         PR c++/19797
13345         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
13346         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
13347         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
13348         * pa.c (get_plabel): Change argument to symbol_ref.  Call
13349         maybe_get_identifier instead of get_identifier.
13350         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
13351         (struct deferred_plabel): Replace name field with symbol field.
13352         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
13353         ASM_OUTPUT_EXTERNAL_REAL is defined.
13354         (output_global_address): Use output_addr_const for output of all
13355         symbol_refs.
13356         (output_deferred_plabels): Use symbol_ref instead of name for address
13357         output.
13358         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
13359         ASM_OUTPUT_SYMBOL_REF): New macros.
13360         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
13361         comment.
13362         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
13363         label.
13364
13365 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
13366
13367         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
13368         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
13369
13370 2005-03-04  Jeff Law  <law@redhat.com>
13371
13372         * basic-block.h (rediscover_loops_after_threading): Declare.
13373         * tree-ssa-dom.c: Include cfgloop.h.
13374         (tree_ssa_dominator_optimize): Discover loops and some basic
13375         properties.  Remove forwarder blocks recreated by loop header
13376         canonicalization.  Also mark backedges in the CFG.
13377         * tree-ssa-threadupdate.c: Include cfgloop.h
13378         (rediscover_loops_after_threading): Define.
13379         (struct local_info): New field, JUMP_THREADED.
13380         (prune_undesirable_thread_requests): New function.
13381         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
13382         then record that fact for the callers of redirct_edges.
13383         (thread_block): If BB has incoming backedges, then call
13384         prune_undesirable_thraed_requests.    Note when we are
13385         going to have to rediscover loop information.  Return a
13386         boolean indicating if any jumps were threaded.
13387         (thread_through_all_blocks): Bubble up boolean indicating
13388         if any jumps were threaded.
13389         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
13390         (tree-ssa-threadupdate.o): Similarly.
13391
13392 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
13393
13394         * fold-const.c (fold_ternary): Unroll the "for" loop to
13395         extract operands.
13396
13397 2005-03-04  Andrew Haley  <aph@redhat.com>
13398
13399         * unwind-dw2-fde-glibc.c (struct
13400         unw_eh_callback_data.check_cache): New field.
13401         (frame_hdr_cache): New.
13402         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
13403         Cache frame header info.
13404
13405 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
13406
13407         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
13408         (print_c_condition): Declare.
13409         * read-rtl.c (ptr_loc): New structure.
13410         (ptr_locs, ptr_loc_obstack, joined_conditions)
13411         (joined_conditions_obstack): New variables.
13412         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
13413         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
13414         (join_c_conditions, print_c_condition): New functions.
13415         (apply_macro_to_string): Associate the new string with the same
13416         source location as the old one.
13417         (add_condition_to_string): Use join_c_conditions.
13418         (read_string): Use set_rtx_ptr_loc to record a filename and line
13419         number for the string.
13420         (read_rtx): Initialize the new variables above.
13421         * genattrtab.c (write_test_expr, write_attr_value): Use
13422         print_c_condition.
13423         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
13424         comment above the GCC_VERSION check.
13425         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
13426         Inline the definition of MAYBE_EVAL.
13427         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
13428         * genoutput.c (process_template): Likewise.
13429         * genpreds.c (write_predicate_subfunction): Likewise.
13430         (write_predicate_expr): Use print_c_condition.
13431         * genrecog.c (write_cond): Likewise.
13432         * gensupport.c (process_rtx): Use join_c_conditions to join the
13433         conditions of a define_insn_and_split.  Record a source location
13434         for the string after the "&&".
13435         (alter_test_for_insn): Use join_c_conditions.
13436
13437 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
13438
13439         Revert for now:
13440         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
13441         PR tree-optimization/15784
13442         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
13443         and -1 - A to ~A.
13444
13445 2005-03-04  Ben Elliston  <bje@au.ibm.com>
13446
13447         * gcc.c (option_map): Add --coverage.
13448         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
13449         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
13450         * config/darwin.h: Pass -lgcov for `coverage'.
13451         * doc/invoke.texi (Debugging Options): Document --coverage.
13452
13453 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
13454
13455         * gcse.c (bypass_block): Use find_edge wherever possible.
13456
13457 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
13458
13459         Fix PR debug/20253
13460
13461         * c-opts.c (c_common_parse_file): Call start_source_file
13462         and end_source_file at the approriate times.
13463
13464         * dwarf2out.c (dwarf2out_finish): Don't auto-end
13465         the main file, it will be done for us now.
13466
13467 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
13468
13469         * fold-const.c (fold_ternary): New.
13470         (fold): Call fold_ternary on ternary expressions.  Remove
13471         handling of ternary expressions.
13472
13473 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
13474
13475         PR tree-optimization/15784
13476         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
13477         and -1 - A to ~A.
13478
13479 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
13480
13481         * config/rs6000/predicates.md (branch_comparison_operator):
13482         Convert from C block to conditional format.
13483
13484 2005-03-03  Jan Hubicka  <jh@suse.cz>
13485
13486         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
13487         and non-constant public variables.
13488
13489 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
13490
13491         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
13492         with LABEL_EXPR.
13493
13494         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
13495         EDGE_I.
13496
13497         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
13498         calls to release_ssa_name and release_phi_node.
13499
13500         * fold-const.c (fold): Remove handling of unary expressions.
13501
13502         * fold-const.c (fold_unary): Avoid directly using the original
13503         expression t as much as possible.
13504
13505 2005-03-03  Roger Sayle  <roger@eyesopen.com>
13506             Andrew Pinski  <pinskia@physics.uc.edu>
13507
13508         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
13509         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
13510
13511 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
13512
13513         Describe special registers SRP and MOF as allocatable registers.
13514         * config/cris/cris.c (cris_md_asm_clobbers): New function.
13515         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
13516         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
13517         TARGET_HAS_MUL_INSNS.
13518         (cris_print_operand) <case 'd'>: New case.
13519         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
13520         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
13521         define.
13522         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
13523         (REG_ALLOC_ORDER): Update for MOF.
13524         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
13525         SPECIAL_REGS.
13526         (GENERAL_REGS): No longer a define of ALL_REGS.
13527         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
13528         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13529         Adjust accordingly.
13530         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
13531         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
13532         (SECONDARY_RELOAD_CLASS): Define.
13533         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
13534         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
13535         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
13536         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
13537         (REGISTER_MOVE_COST): Define.
13538         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
13539         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
13540         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
13541         (CRIS_MOF_REGNUM): New define_constants.
13542         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
13543         special registers.
13544         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
13545         New patterns.
13546         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
13547         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
13548         Adjust for MOF being properly described as a register.
13549         (indir_to_reg_split): Name this split.  Conditionalize on the
13550         destination register being a general register.
13551         (movei): Conditionalize on on operands 0 and 1 having the same
13552         register class.
13553
13554 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
13555
13556         PR target/20277
13557         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
13558         -mcpu to override any other explicitly given flags.
13559
13560 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
13561
13562         * recog.c (verify_changes, confirm_change_group): New functions,
13563         broken out of apply_change_group.
13564         (apply_change_group): Use them.
13565         * recog.h (verify_change, confirm_change_group): Declare.
13566         * rtl.h (redirect_jump_2): Declare.
13567         * jump.c (redirect_exp, invert_exp): Delete.
13568         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
13569         (redirect_jump_2): New function, broken out of redirect_jump.
13570         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
13571         (invert_jump): Use invert_jump_1 and redirect_jump_2.
13572         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
13573
13574 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
13575
13576         * varasm.c (named_section): Use xstrdup rather than doing it by
13577         hand.
13578
13579         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
13580
13581 2005-03-02  Devang Patel  <dpatel@apple.com>
13582
13583         Undo PR tree-optimization/18815 fix.
13584
13585 2005-03-02  Devang Patel  <dpatel@apple.com>
13586
13587         PR tree-optimization/18815
13588         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
13589         loops with zero exit edges.
13590
13591 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
13592
13593         * cfg.c (connect_src, connect_dest, disconnect_src,
13594         disconnct_dest): New.
13595         (unchecked_make_edge, remove_edge, redirect_edge_succ,
13596         redirect_edge_pred): Use the new functions.
13597
13598         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
13599         free_dominance_info only when needed.
13600
13601 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
13602
13603         PR target/20276
13604         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
13605         (reg_or_sub_cint64_operand): Same.
13606
13607 2005-03-02  Jeff Law  <law@redhat.com>
13608
13609         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
13610         CFG_ALTERED in the main DOM iteration loop.
13611
13612 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
13613
13614         PR c++/19916
13615         * varasm.c (initializer_constant_valid_p): Allow conversions
13616         between OFFSET_TYPEs.  Tidy.
13617
13618 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
13619
13620         * config/cris/cris.md ("return"): Remove epilogue delay list
13621         sanity check.
13622
13623 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
13624
13625         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
13626         for Thumb.
13627         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
13628
13629 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
13630
13631         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
13632         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
13633         config/m68k/m68k.c, config/mips/mips.h,
13634         config/rs6000/rs6000-protos.h, doc/contrib.texi,
13635         doc/include/gcc-common.texi: Update copyright.
13636
13637         PR middle-end/18029 and PR middle-end/18030
13638         * expr.c (optimize_bitfield_assignment_op): Add a special case
13639         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
13640
13641         * fold-const.c (fold_unary): New.
13642         (fold): Call fold_unary on unary expressions.
13643
13644 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
13645
13646         * cgraph.h (struct cgraph_edge): Add prev_caller and
13647         prev_callee fields.
13648         (cgraph_node_remove_callees): Export.
13649         * cgraph.c (cgraph_create_edge): Initialize prev_caller
13650         and prev_callee.
13651         (cgraph_edge_remove_callee): New function.
13652         (cgraph_edge_remove_caller): Likewise.
13653         (cgraph_remove_edge): Use.
13654         (cgraph_redirect_edge_callee): Likewise.
13655         (cgraph_node_remove_callees): New function.
13656         (cgraph_node_remove_callers): Likewise.
13657         (cgraph_remove_node): Use.
13658         * tree-optimize.c (tree_rest_of_compilation): Use
13659         cgraph_node_remove_callees instead of manual loop.
13660         * cgraphunit.c (cgraph_finalize_function): Likewise.
13661         (cgraph_expand_function): Likewise.
13662         (cgraph_remove_unreachable_nodes): Likewise.
13663
13664 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
13665
13666         PR c/8927
13667         * c-tree.h (undeclared_variable, build_external_ref): Add extra
13668         argument.
13669         * c-decl.c (undeclared_variable): Take location as argument.
13670         * c-typeck.c (build_external_ref): Likewise.
13671         * c-parser.c (c_parser_postfix_expression): Pass location of
13672         identifier to build_external_ref.
13673
13674 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
13675
13676         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
13677         CCEQ mode for branch_positive_comparison_operator test.
13678         * config/rs6000/predicates (branch_comparison_operator): Revert to
13679         define_predicate.
13680         (scc_comparison_operator): Same.
13681         (branch_positive_comparison_operator): Same.
13682
13683 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
13684
13685         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
13686         (cris_delay_slots_for_epilogue): Remove.
13687         (save_last): Move into cris_target_asm_function_epilogue.
13688         (cris_target_asm_function_epilogue): Remove tests for file being
13689         NULL.
13690         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
13691         (cris_delay_slots_for_epilogue): Remove prototypes.
13692         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
13693         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
13694
13695 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
13696
13697         * config/rs6000/predicates.md (branch_comparison_operator): Change
13698         to define_special_predicate.
13699         (scc_comparison_operator): Same.
13700         (branch_positive_comparison_operator): Same.
13701
13702 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
13703
13704         * Makefile.in (tree-ssa-sink.o): New.
13705         (OBJS-common): Add tree-ssa-sink.o.
13706         * common.opt: Add -ftree-sink
13707         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
13708         * timevar.def (TV_TREE_SINK): new timevar.
13709         * tree-flow.h (is_hidden_global_store): Prototype.
13710         * tree-optimize.c (init_tree_optimization_passes): Add
13711         pass_sink_code.
13712         * tree-pass.h (pass_sink_code): New.
13713         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
13714         for non-obvious global store store to is_hidden_global_store, and
13715         call that new function.
13716         * tree-ssa-sink.c: New file.
13717         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
13718         * doc/passes.texi: Document forward store motion.
13719         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
13720         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
13721         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
13722         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
13723
13724 2005-03-01  Per Bothner  <per@bothner.com>
13725
13726         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
13727         and we have a non-zero column-number, add it to the message.
13728         Also factor out the diagnostic_kind_text.
13729
13730 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
13731
13732         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
13733         flow_loop_pre_header_scan, flow_loop_pre_header_find,
13734         flow_loop_scan): Removed.
13735         (flow_loop_dump): Do not dump removed fields.
13736         (flow_loop_free): Do not free removed fields.
13737         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
13738         (loop_exit_edge_p): New function.
13739         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
13740         num_pre_header_edges, entry_edges, num_entries, exit_edges,
13741         num_exits, exits_doms.
13742         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
13743         LOOP_EDGES, LOOP_ALL): Removed.
13744         (flow_loop_scan): Declaration removed.
13745         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
13746         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
13747         flow_loops_find.
13748         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
13749         (if_convert): Call flow_loops_find and flow_loops_free
13750         when calling mark_loop_exit_edges.
13751         * cfgloopanal.c (mark_loop_exit_edges): Moved from
13752         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
13753         free_dominance_info calls.
13754         * loop-init.c (flow_loops_find): Ditto.
13755         * passes.c (rest_of_handle_branch_prob): Ditto.
13756         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
13757         * loop-unroll.c (analyze_insns_in_loop): Do not use
13758         EDGE_LOOP_EXIT.
13759         * predict.c (predict_loops): Do not call flow_loop_scan.
13760         Use get_loop_exit_edges.
13761         (tree_estimate_probability): Do not pass flags to flow_loops_find.
13762         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
13763         Do not use EDGE_LOOP_EXIT.
13764         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
13765         to bb_with_exit_edge_p.
13766         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
13767         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
13768         to bb_with_exit_edge_p.
13769         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
13770         EDGE_LOOP_EXIT.
13771         * tree-loop-linear.c (linear_transform_loops): Do not call
13772         flow_loop_scan.  Use loop->single_exit.
13773         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
13774         (vect_analyze_loop_form): Do not call flow_loop_scan.
13775         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
13776         loop->single_exit.
13777         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
13778         loop->single_exit.
13779         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
13780         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13781         slpeel_tree_duplicate_loop_to_edge_cfg,
13782         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
13783         Use loop_preheader_edge and loop->single_exit.  Do not call
13784         flow_loop_scan.
13785
13786 2005-03-01  Nick Clifton  <nickc@redhat.com>
13787
13788         * config/arm/arm.c (thumb_find_work_register): Check all of the
13789         argument registers to see if they are free, and a couple of
13790         special cases where the last argument register but can be proved
13791         to be available during the function's prologue.
13792         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
13793         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
13794         thumb_unexpanded_epilogue): Use unsigned long as the type for the
13795         register bit-mask.
13796         (thumb_compute_save_reg_mask): Likewise.  Also use
13797         thumb_find_work_register() to ensure that there is agreement about
13798         which work register is going to be used in the prologue.
13799         (thumb_output_function_prologue): Use unsigned long as the type
13800         for the register bit-mask.  Also delay pushing the link register if
13801         other high registers are going to be pushed.
13802         (thumb_compute_save_reg_mask, emit_multi_reg_push,
13803         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
13804         redundant prototypes.
13805
13806 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
13807
13808         PR target/19819
13809         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
13810         and after reload in REG+REG indexed addresses without REG_POINTER
13811         set in the base and not set in the index.
13812
13813 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
13814
13815         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
13816         Don't undefine here.
13817         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
13818         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
13819         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
13820         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
13821         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
13822         Delete.
13823         * config.gcc (sh*-*-linux*): Use config/linux.h.
13824
13825 2005-02-28  Dale Johannesen  <dalej@apple.com>
13826             Stan Shebs  <shebs@apple.com>
13827
13828         Rewrite of 64-bit Darwin structure-by-value pass/return.
13829         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
13830         intoffset, use_stack, named.
13831         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
13832         (rs6000_darwin64_record_arg_advance_flush):  New.
13833         (rs6000_darwin64_record_arg_advance_recurse): New.
13834         (rs6000_darwin64_record_arg_flush):  New.
13835         (rs6000_darwin64_record_arg_recurse):  New.
13836         (rs6000_darwin64_record_arg):  New.
13837         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
13838         (function_arg_boundary):  Handle 128-bit aligned structs.
13839         (function_arg_advance):  Rewrite darwin64 struct handling.
13840         (function_arg):  Call rs6000_darwin64_record_arg.
13841         (function_arg_partial_nregs):  Handle darwin64 structs.
13842         (rs6000_darwin64_function_value):  Remove.
13843         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
13844
13845 2005-02-28  Roger Sayle  <roger@eyesopen.com>
13846
13847         PR tree-optimization/20216
13848         * tree-chrec.c (tree_fold_factorial): Delete.
13849         (tree_fold_binomial): Change argument list to take a return type
13850         and change the type of K to unsigned int.  Rewrite to avoid explicit
13851         evaluation of factorials, and (recursively) calling fold to perform
13852         compile-time arithmetic.  Return NULL on (internal) overflow.
13853         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
13854         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
13855         if any intermediate calculation overflows.
13856         (chrec_apply): Update call to chrec_evaluate.
13857
13858 2005-02-28  James E Wilson  <wilson@specifixinc.com>
13859
13860         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
13861
13862 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
13863
13864         PR c/20245
13865         * c-parser.c (c_parser_compound_statement): Return error_mark_node
13866         instead of NULL_TREE on error.
13867
13868 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
13869
13870         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
13871         (EASY_VECTOR_15_ADD_SELF): Remove.
13872         (num_insns_constant_wide): Not static.
13873         (validate_condition_mode): Not static.
13874         (toc_relative_expr_p): Not static.
13875         (legitimate_indirect_address_p): Not static.
13876         (macho_lo_sum_memory_operand): Not static.
13877         (invalid_e500_subreg): Not static.
13878         (easy_vector_same): Not static.
13879         (easy_vector_splat_const): Not static.
13880         (RS6000_SYMBOL_REF_TLS_P): Remove.
13881         (any_operand): Delete.
13882         (any_parallel_operand): Delete.
13883         (count_register_operand): Delete.
13884         (altivec_register_operand): Delete.
13885         (xer_operand): Delete.
13886         (s8bit_cint_operand): Delete.
13887         (short_cint_operand): Delete.
13888         (u_short_cint_operand): Delete.
13889         (non_short_cint_operand): Delete.
13890         (exact_log2_cint_operand): Delete.
13891         (gpc_reg_operand): Delete.
13892         (cc_reg_operand): Delete.
13893         (cc_reg_not_cr0_operand): Delete.
13894         (reg_or_short_operand): Delete.
13895         (reg_or_neg_short_operand): Delete.
13896         (reg_or_aligned_short_operand): Delete.
13897         (reg_or_u_short_operand): Delete.
13898         (reg_or_cint_operand): Delete.
13899         (reg_or_arith_cint_operand): Delete.
13900         (reg_or_add_cint64_operand): Delete.
13901         (reg_or_sub_cint64_operand): Delete.
13902         (reg_or_logical_cint_operand): Delete.
13903         (got_operand): Delete.
13904         (got_no_const_operand): Delete.
13905         (easy_fp_constant): Delete.
13906         (easy_vector_constant): Delete.
13907         (easy_vector_constant_add_self): Delete.
13908         (zero_constant): Delete.
13909         (zero_fp_constant): Delete.
13910         (volatile_mem_operand): Delete.
13911         (offsettable_mem_operand): Delete.
13912         (mem_or_easy_const_operand): Delete.
13913         (add_operand): Delete.
13914         (non_add_cint_operand): Delete.
13915         (logical_operand): Delete.
13916         (non_logical_cint_operand): Delete.
13917         (mask_operand): Delete.
13918         (mask_operand_wrap): Delete.
13919         (mask64_operand): Delete.
13920         (mask64_2_operand): Delete.
13921         (and64_operand): Delete.
13922         (and64_2_operand): Delete.
13923         (and_operand): Delete.
13924         (reg_or_mem_operand): Delete.
13925         (lwa_operand): Delete.
13926         (symbol_ref_operand): Delete.
13927         (call_operand): Delete.
13928         (current_file_function_operand): Delete.
13929         (input_operand): Delete.
13930         (rs6000_nonimmediate_operand): Delete.
13931         (rs6000_tls_symbol_ref): Delete.
13932         (save_world_operation): Delete.
13933         (restore_world_operation): Delete.
13934         (load_multiple_operation): Delete.
13935         (store_multiple_operation): Delete.
13936         (vrsave_operation): Delete.
13937         (mfcr_operation): Delete.
13938         (mtcrf_operation): Delete.
13939         (lmw_operation): Delete.
13940         (stmw_operation): Delete.
13941         (branch_comparison_operator): Delete.
13942         (branch_positive_comparison_operator): Delete.
13943         (scc_comparison_operator): Delete.
13944         (trap_comparison_operator): Delete.
13945         (boolean_operator): Delete.
13946         (boolean_or_operator): Delete.
13947         (min_max_operator): Delete.
13948         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
13949         (EASY_VECTOR_15): Moved to here.
13950         (EASY_VECTOR_15_ADD_SELF): Move to here.
13951         (PREDICATE_CODES): Delete.
13952         * config/rs6000/rs6000-protos.h: Delete predicate functions.
13953         Declare functions no longer static.
13954         * config/rs6000/predicates.md: New.
13955         * config/rs6000/rs6000.md: Include predicates.md
13956
13957 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
13958
13959         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
13960         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
13961         REG_ALWAYS_RETURN.
13962         * cfgrtl.c (need_fake_edge_p): Likewise.
13963         * combine.c (distribute_notes): Likewise.
13964         * emit-rtl.c (try_split): Likewise.
13965         * recog.c (peephole2_opimize): Likewise.
13966         * reg-notes.def (ALWAYS_RETURN): Remove.
13967         * rtl.h (LCT_ALWAYS_RETURN): Remove.
13968         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
13969         * tree.h (ECF_ALWAYS_RETURN): Remove.
13970
13971 2005-02-28  Roger Sayle  <roger@eyesopen.com>
13972
13973         PR middle-end/19874
13974         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
13975         between different machine modes is never a "useless" conversion.
13976
13977 2005-02-28  Geert Bosch  <bosch@gnat.com>
13978
13979         PR ada/15977
13980         * doc/contrib.texi: List contributors for Ada front end
13981
13982 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
13983
13984         * simplify-rtx.c (simplify_unary_operation_1,
13985         simplify_const_unary_operation): New, extracted from...
13986         (simplify_unary_operation): ... this one.
13987         (simplify_binary_operation_1,
13988         simplify_const_binary_operation): New, extracted from...
13989         (simplify_binary_operation): ... this one.
13990         * rtl.h (simplify_const_unary_operation,
13991         simplify_const_binary_operation): Add prototypes.
13992
13993 2005-02-28  Julian Brown  <julian@codesourcery.com>
13994
13995         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
13996         building libjava and caused PR regression/20228.
13997
13998 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
13999
14000         PR bootstrap/17383
14001         * Makefile.in (host_subdir): New.
14002         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
14003         * configure: Regenerate.
14004
14005 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
14006
14007         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
14008         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
14009         installation directory first.
14010
14011 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
14012
14013         PR target/19065.
14014         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
14015         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
14016         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
14017         * config/cris/cris.md: Tweak comments referring to Q.
14018         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
14019         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
14020         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
14021         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
14022         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
14023         Insert spaces in constraints to align alternatives vertically for
14024         readability.
14025         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
14026         operand 1: "M".
14027
14028 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14029
14030         PR rtl-optimization/17728
14031         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
14032         operand 0 from general_operand to move_dest_operand.
14033
14034 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14035
14036         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
14037         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
14038         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
14039         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
14040
14041 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
14042
14043         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
14044         * configure: Regenerate.
14045         * libada-mk.in: Remove CC; rename
14046         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
14047
14048 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
14049
14050         PR tree-opt/20188
14051         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
14052         for the lhs, also walk over the tree.  Likewise for rhs.
14053
14054 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
14055
14056         * tree-ssa-dom.c (simple_iv_increment_p): New function.
14057         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
14058         Do not propagate value of iv before increment over the increment.
14059
14060 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
14061
14062         * c-parser.c: New file.
14063         * c-parse.in: Remove.
14064         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
14065         Remove.
14066         (c-parser.o): Add dependencies.
14067         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
14068         maintainer-clean, TAGS): Update.
14069         * c-config-lang.in (gtfiles): Update.
14070         * gengtype-lex.l: Don't handle "@@".
14071         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
14072         objc_build_synchronized, objc_begin_try_stmt,
14073         objc_begin_catch_clause, objc_finish_catch_clause,
14074         objc_build_finally_clause, objc_finish_try_stmt): New.
14075         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
14076         type_seen_p.
14077         (c_parse_init): Update comment.
14078         * c-decl.c (c_init_decl_processing): Update comment.
14079         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
14080         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
14081         new c_declspecs members.
14082
14083 2005-02-25  Julian Brown  <julian@codesourcery.com>
14084
14085         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
14086         from being used for symbols with vague linkage when
14087         HAVE_GAS_COMDAT_GROUP is true.
14088
14089 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
14090
14091         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
14092
14093 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
14094
14095         PR target/19930
14096         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
14097         (LIBGCC2_HAS_DF_MODE): New.
14098         (LIBGCC2_HAS_XF_MODE): New.
14099         (LIBGCC2_HAS_TF_MODE): New.
14100         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
14101         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
14102         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
14103         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
14104         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
14105         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
14106         and add _fixtfdi, _fixunstfdi, _floatditf
14107         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
14108         L_fixunstfdi, L_floatditf.
14109         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
14110         (LIBGCC2_HAS_TF_MODE): Define.
14111
14112 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
14113
14114         PR tree-optimization/20204
14115         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
14116         REWRITE_THIS_STMT markers on PHI nodes.
14117         (rewrite_initialize_block): Likewise.
14118
14119 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
14120
14121         * version.c (version_string): Update to 4.1.
14122
14123 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
14124
14125         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
14126         Clarify that the alternative way doesn't work in GNU C++.
14127
14128 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
14129
14130         PR tree-optimization/19937
14131         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
14132         to the type of the induction variable.
14133
14134 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
14135
14136         PR rtl-optimization/20117
14137         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
14138         the block including noncopyable insn.
14139
14140 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
14141
14142         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
14143         calls to find_reg_note.
14144
14145 2005-02-24  Richard Henderson  <rth@redhat.com>
14146
14147         PR tree-opt/20127
14148         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
14149         the type.
14150
14151 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
14152
14153         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
14154         vector types if to use base reg for misaligned non-word ld/std.
14155
14156 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
14157
14158         PR target/14619
14159         * config/cris/cris.c (cris_target_asm_function_prologue): Create
14160         dwarf2 label manually and put it after, not before the prologue.
14161
14162 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
14163
14164         PR target/19019
14165         * reload.c (operands_match_p): Only increment register number for
14166         SCALAR_INT_MODE_P modes in multiple hard registers.
14167
14168         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
14169         Fix formatting.
14170
14171 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14172
14173         * ChangeLog.5: Fix log message typo(s).
14174         * ChangeLog.7: Likewise.
14175         * ChangeLog.tree-ssa: Likewise.
14176         * cfgexpand.c: Fix comment typo(s).
14177         * conflict.c: Likewise.
14178         * defaults.h: Likewise.
14179         * dwarf2out.c: Likewise.
14180         * gcse.c: Likewise.
14181         * ggc-page.c: Likewise.
14182         * tree-eh.c: Likewise.
14183         * tree-ssa-dom.c: Likewise.
14184
14185 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
14186
14187         PR target/19019
14188         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
14189         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
14190         if SHARED is defined.
14191
14192         PR target/20196
14193         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
14194         allow splitting only if operands 0 and 3 don't overlap.
14195
14196 2005-02-24  Richard Henderson  <rth@redhat.com>
14197
14198         PR middle-end/19953
14199         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
14200         (fold_builtin_1): Call them.
14201         * fold-const.c (fold_complex_mult_parts): Split out from ...
14202         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
14203         (fold_complex_div_parts, fold_complex_div): New.
14204         (fold): Use them.
14205         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
14206
14207 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14208
14209         * tree-ssa-ccp.c (visit_assignment): Verify that result of
14210         VIEW_CONVERT_EXPR is_gimple_min_invariant.
14211
14212         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
14213         (print_node): Likewise.
14214         Print TYPE_SIZES_GIMPLIFIED.
14215
14216 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
14217
14218         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
14219         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
14220         operands as commutative in constraints.
14221
14222 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
14223
14224         * tree-into-ssa.c: Re-organize internal functions.
14225
14226 2005-02-24  Richard Henderson  <rth@redhat.com>
14227
14228         PR middle-end/18902
14229         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
14230         for c99.
14231         * common.opt (fcx-limited-range): New.
14232         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
14233         * toplev.c (flag_complex_method): Initialize to 1.
14234         (process_options): Set flag_complex_method to 0 if
14235         flag_cx_limited_range.
14236         * doc/invoke.texi (-fcx-limited-range): New.
14237
14238 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
14239
14240         * cse.c (delete_trivially_dead_insns): Speed up by using
14241         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
14242         prev_real_insn.
14243
14244 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
14245
14246         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
14247         functions when -mid-shared-library is being used.
14248
14249 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
14250
14251         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
14252         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
14253         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
14254         * system.h: Poison LINK_LIBGCC_SPECIAL.
14255
14256 2005-02-23  James E Wilson  <wilson@specifixinc.com>
14257
14258         * gengtype.c (note_insn_name): Make 1 element larger.
14259
14260 2005-02-23  Roger Sayle  <roger@eyesopen.com>
14261
14262         PR target/20018
14263         PR rtl-optimization/20097
14264         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
14265         BImode SUBREGs of SImode registers which confuse the ia64 backend.
14266
14267 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
14268
14269         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
14270         * t-aix52 (SHLIB_INSTALL): Same.
14271
14272 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
14273
14274         * genpreds.c: Update copyright.
14275
14276 2005-02-23  Michael Beach  <michaelb@ieee.org>
14277
14278         PR target/20159
14279         * config/sparc/t-elf (startup files): Assemble with CPP.
14280
14281 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
14282
14283         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
14284         (write_predicate_expr): Likewise.
14285
14286 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
14287
14288         PR tree-optimization/20100
14289         PR tree-optimization/20115
14290         * tree-optimize.c (init_tree_optimization_passes): Remove
14291         pass_maybe_create_global_var.
14292         * tree-pass.h (pass_maybe_create_global_var): Remove.
14293         * tree-ssa-alias.c (aliases_computed_p): Declare.
14294         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
14295         (count_calls_and_maybe_create_global_var): Remove.
14296         (pass_maybe_create_global_var): Remove.
14297         (init_alias_info): Do not declare aliases_computed_p.
14298         (maybe_create_global_var): If the function contains no
14299         call-clobbered variables and a mix of pure/const and regular
14300         function calls, create .GLOBAL_VAR.
14301         Mark all call-clobbered variables for renaming.
14302         (merge_pointed_to_info): Update comment.
14303         (add_pointed_to_var): Likewise.
14304         (is_escape_site): Likewise.
14305         Accept struct alias_info * instead of size_t *.
14306         Update all users.
14307         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
14308         as necessary.
14309         * tree-ssa-operands.c (get_call_expr_operands): If
14310         ALIASES_COMPUTED_P is false, do not add call-clobbering
14311         operands.
14312         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
14313         (delete_tree_ssa): Likewise.
14314
14315 2005-02-22  James E Wilson  <wilson@specifixinc.com>
14316
14317         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
14318         (do_compile): Do call it here.
14319
14320 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
14321
14322         PR rtl-optimization/20017.
14323         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
14324         rest_of_handle_cse2, rest_of_handle_gcse): Call
14325         delete_dead_jumptables immediately before calling cleanup_cfg.
14326
14327 2005-02-22  Devang Patel  <dpatel@apple.com>
14328
14329         PR 19952
14330         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
14331         all labels
14332
14333 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
14334
14335         * config/rs6000/aix.h (WINT_TYPE): Define.
14336
14337 2005-02-22  Stan Shebs  <shebs@apple.com>
14338
14339         * config/rs6000/rs6000.c (rs6000_override_options): Default to
14340         natural alignment for 64-bit Darwin.
14341         (rs6000_parse_alignment_option): Warn about uses of -malign-power
14342         on 64-bit Darwin.
14343         * doc/invoke.texi: Document this.
14344
14345 2005-02-22  DJ Delorie  <dj@redhat.com>
14346
14347         * c-common.c (c_common_type_for_mode): Pass the mode's precision
14348         to make_[un]signed_type, not the mode itself.
14349
14350 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
14351
14352         * cfg.c (cached_make_edge): Call make_edge if edge cache is
14353         not available.  Use tail calls wherever possible.
14354         (make_edge): Call unchecked_make_edge to create an edge.
14355
14356         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
14357         (coalesce_ssa_name): Don't check for
14358         SSANORM_USE_COALESCE_LIST.
14359         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
14360
14361 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
14362
14363         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
14364         (rewrite_into_ssa): ... here.
14365
14366 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
14367
14368         PR tree-optimization/19786
14369         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
14370         tag to another's may-alias bitmap when adding to the other's list.
14371
14372 2005-02-21  DJ Delorie  <dj@redhat.com>
14373
14374         * tree-ssa-loop-ivopts.c (computation_cost): Start register
14375         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
14376         registers in unsupported ways.
14377         * expmed.c (init_expmed): Likewise.
14378
14379 2005-02-21  Stan Cox  <scox@redhat.com>
14380
14381         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
14382
14383 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
14384
14385         * tree-cfg.c (fold_cond_expr_cond): New.
14386         (make_edges): Call fold_cond_expr_cond.
14387         (find_taken_edge): Accept nothing but INTEGER_CST.
14388         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
14389         and 1.
14390         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
14391
14392         * flow.c (delete_dead_jumptables): Speed up by scanning insns
14393         that do not belong to any basic block.
14394
14395 2005-02-21  Jeff Law  <law@redhat.com>
14396
14397         * cfganal.c (find_unreachable_blocks): Manually CSE load of
14398         e->dest.
14399
14400 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
14401
14402         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
14403         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
14404         Adjust their definitions.
14405         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
14406         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
14407
14408         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
14409         genautomata.c, langhooks.c, langhooks.h, system.h,
14410         config/arm/lib1funcs.asm: Update copyright.
14411
14412 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
14413
14414         * dbxout.c (dbxout_function_end): Emit Lscope label always.
14415
14416 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
14417
14418         PR bootstrap/13770
14419         * doc/install.texi: Document --with-gc.
14420
14421 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
14422
14423         * simplify-rtx.c (simplify_unary_operation): Add a missing
14424         "break" statement.
14425
14426 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
14427
14428         PR tree-optimization/18663
14429         * tree-ssa-dom.c (extract_range_from_cond): Return 0
14430         if the type has variable bounds.
14431
14432 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
14433
14434         * gcse.c: Remove an obsolete comment.
14435
14436         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
14437
14438 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
14439
14440         * doc/extend.texi (Function Attributes) <Attribute const>: The
14441         attribute "pure" is below this text, not above.
14442
14443 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14444
14445         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
14446         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
14447         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
14448
14449 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
14450
14451         PR 18785
14452         * langhooks.h (struct lang_hooks): Add to_target_charset.
14453         * langhooks.c (lhd_to_target_charset): New function.
14454         * langhooks-def.h: Declare lhd_to_target_charset.
14455         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
14456         (LANG_HOOKS_INITIALIZER): Update.
14457         * c-common.c (c_common_to_target_charset): New function.
14458         * c-common.h: Declare it.
14459         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
14460         c_common_to_target_charset.
14461
14462         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
14463         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
14464         Delete definitions.
14465         * system.h: Poison them.
14466         * doc/tm.texi: Don't discuss them.
14467         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
14468         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
14469         (pp_c_char): Do not attempt to generate letter escapes for
14470         newline, tab, etc.
14471         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
14472         * config/mips/mips.c (mips_output_ascii): Likewise.
14473
14474 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
14475
14476         PR tree-optimization/19951
14477         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
14478         is abnormal.
14479
14480 2005-02-19  Steven Bosscher  <stevenb@suse.de>
14481
14482         PR middle-end/19698
14483         * function.h (struct function): New field `max_loop_depth'.
14484         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
14485         (flow_loops_find): Reset the max loop depth count before finding loops.
14486         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
14487         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
14488         (calculate_global_regs_live): Make sure the loop will terminate
14489         when the initial sets are not empty.
14490
14491 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
14492
14493         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
14494         object inside.
14495         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
14496
14497 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
14498
14499         PR other/19525
14500         * doc/invoke.texi: Remove documentation of %M spec.
14501         * gcc.c: Likewise.
14502         (init_spec): Remove %M suffix from -lgcc_s.
14503         (do_spec_1): Remove 'M' case.
14504         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
14505         to put shared libraries in the multilib directory.  Remove the
14506         shlib_so_soname substitution variable.  Don't add a multilib encoding
14507         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
14508         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
14509         SHLIB_INSTALL as well as SHLIB_LINK.
14510         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
14511         (SHLIB_NAME): Delete.
14512         (SHLIB_DIR): New macro.
14513         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
14514         (SHLIB_INSTALL): Adjust accordingly.
14515         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
14516         * config/t-slibgcc-sld: Likewise.
14517         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
14518         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
14519         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
14520         in $(SHLIB_DIR).
14521         (SHLIBUNWIND_INSTALL): Adjust accordingly.
14522         * config/i386/t-nwld (SHLIB_SONAME): Delete.
14523         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
14524         Use @shlib_base_name@ instead of @shlib_so_name@.
14525         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
14526         and @shlib_base_name@.so in @multilib_dir@.
14527         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
14528         to the install path.
14529         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
14530         (SHLIB_LINK): Remove previous workaround.
14531         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
14532         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
14533         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
14534         the install path.
14535         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
14536         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
14537         (SHLIB_INSTALL): Adjust accordingly.
14538         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
14539         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
14540         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
14541         config/t-slibgcc-elf-ver.
14542
14543 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
14544             Jakub Jelinek  <jakub@redhat.com>
14545
14546         PR tree-optimization/19828
14547         * tree-ssa-loop-im.c: Add a TODO comment.
14548         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
14549         without side-effects.
14550
14551 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
14552
14553         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
14554         call fold_convert.
14555
14556 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
14557
14558         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
14559         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
14560         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
14561         functions.
14562         (ia64_reorg): Delete fixup_errata call.
14563         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
14564         (TARGET_SWITCHES): Delete -mb-step entry.
14565
14566 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
14567
14568         PR c/20043
14569         * c-typeck.c (composite_type): Handle quals in transparent unions.
14570         (type_lists_compatible_p): Likewise.
14571
14572 2005-02-18  Stan Shebs  <shebs@apple.com>
14573
14574         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
14575         expressions in the .literal8 section.
14576
14577 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
14578
14579         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
14580
14581 2005-02-18  Roger Sayle  <roger@eyesopen.com>
14582
14583         * fold-const.c (constant_boolean_node): Always create values of the
14584         specified type, don't bother calling truthvalue_conversion.
14585
14586 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14587
14588         * except.c (output_function_exception_table): Call
14589         assemble_external_libcall (eh_personality_libfunc).
14590
14591 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14592
14593         PR target/19886
14594         * config/ia64/ia64.h (struct machine_function): Add state_num.
14595         * config/ia64/ia64.c (process_epilogue,
14596         process_for_unwind_directive): Use new unwind state numbers each
14597         time rather than state 1.
14598
14599 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
14600
14601         PR target/20054
14602         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
14603         before the "*llgt_didi" pattern.
14604
14605 2005-02-18  Jason Merrill  <jason@redhat.com>
14606
14607         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
14608
14609 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
14610
14611         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
14612         (div0): Use it in place of ARM_FUNC_ALIAS.
14613         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
14614
14615 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
14616
14617         PR middle-end/20030
14618         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
14619         access, the lower bound of the array type if it exists.
14620
14621 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
14622
14623         PR c++/20008
14624         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
14625         cases that are out-of-range for the index type.
14626
14627 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
14628
14629         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
14630         (estimate_case_costs): Don't call convert.
14631         * expmed.c (expand_shift): Likewise.
14632         (make_tree): Call fold_convert instead of convert.
14633
14634 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
14635
14636         PR c++/19813
14637         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
14638         that ref to be marked MEM_READONLY_P doesn't have base that needs
14639         constructing.
14640
14641 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14642
14643         * genautomata.c (output_get_cpu_unit_code_func,
14644         output_cpu_unit_reservation_p): Don't generate old-style function
14645         definitions.
14646
14647 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
14648
14649         PR c++/20023
14650         PR tree-optimization/20009
14651         * convert.c (convert_to_integer): Revert 2005-02-16 change.
14652
14653         PR tree-optimization/18947
14654         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
14655         inline, remove all nodes that are inlined into the extern inline
14656         being redefined.
14657
14658 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
14659
14660         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
14661         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
14662         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
14663         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
14664         Update copyright.
14665
14666 2005-02-17  Roger Sayle  <roger@eyesopen.com>
14667
14668         PR tree-optimization/19917
14669         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
14670         to be potentially trapping.
14671
14672 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
14673
14674         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
14675
14676 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
14677
14678         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
14679         tem becomes a local variable which is set to the value of the
14680         back end defined INITIAL_FRAME_ADDRESS macro.
14681         (expand_builtin_frame_address): Omit the base parameter to
14682         expand_builtin_return_addr.
14683         (expand_builtin_profile_func): Likewise.
14684         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
14685         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
14686         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
14687
14688 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
14689
14690         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
14691         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
14692         * config/frv/frv.c (frv_function_epilogue): Likewise.
14693
14694 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
14695
14696         * lambda-code (perfect_nestify): Remove mark/unmark
14697         for rewriting hack.
14698         * tree-loop-linear.c (linear_transform_loops): Add
14699         rewrite_into_ssa call so that ssa is correct for
14700         rewriting into loop closed.
14701
14702 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
14703
14704         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
14705         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
14706         BITMAP_FREE.
14707         * bt-load.c (btr_def_live_range, combine_btr_defs,
14708         migrate_btr_def, migrate_btr_defs): Likewise.
14709         * cfgcleanup.c (thread_jump): Likewise.
14710         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
14711         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
14712         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
14713         df_rd_local_compute, df_reg_info_compute): Likewise.
14714         * dominance.c (init_dom_info, free_dom_info): Likewise.
14715         * flow.c (init_propagate_block_info,
14716         free_propagate_block_info): Likewise.
14717         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
14718         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
14719         modify_reg_pav): Likewise.
14720         * loop-invariant.c (find_defs, find_invariant_insn,
14721         find_invariants, free_inv_motion_data): Likewise.
14722         * predict.c (tree_predict_by_opcode,
14723         estimate_bb_frequencies): Likewise.
14724         * stmt.c (expand_case): Likewise.
14725         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
14726         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
14727         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
14728         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
14729         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
14730         rewrite_ssa_into_ssa): Likewise.
14731         * tree-optimize.c (tree_rest_of_compilation): Likewise.
14732         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
14733         analyze_edges_for_bb, perform_edge_inserts): Likewise.
14734         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
14735         * tree-sra.c (tree_sra): Likewise.
14736         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
14737         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
14738         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
14739         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
14740         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
14741         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
14742         Likewise.
14743         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
14744         calculate_live_on_entry, calculate_live_on_exit,
14745         build_tree_conflict_graph): Likewise.
14746         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
14747         record_important_candidates, set_use_iv_cost, find_depends,
14748         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
14749         tree_ssa_iv_optimize_finalize): Likewise.
14750         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
14751         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
14752         tree_duplicate_loop_to_header_edge): Likewise.
14753         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
14754         * tree-ssa.c (verify_flow_insensitive_alias_info,
14755         verify_name_tags, verify_ssa, init_tree_ssa,
14756         delete_tree_ssa): Likewise.
14757         * tree-ssanames.c (marked_ssa_names, init_ssanames,
14758         fini_ssanames): Likewise.
14759         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
14760
14761 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
14762
14763         * config/rs6000/t-rtems: Completely reworked.
14764
14765 2005-02-17  Ira Rosen  <irar@il.ibm.com>
14766
14767         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
14768
14769 2005-02-17  Ira Rosen  <irar@il.ibm.com>
14770
14771         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
14772         POINTER_TYPE_P when checking that type is a pointer.
14773         (vect_get_memtag): Remove.
14774         (vect_address_analysis): Use POINTER_TYPE_P. Call
14775         vect_object_analysis with dummy parameter for memtag.
14776         (vect_object_analysis): Extract memtag (functionality that
14777         used to be in vect_get_memtag and moved here). Fix printings.
14778         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
14779         with correct parameters. Remove call to vect_get_memtag.
14780
14781 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
14782
14783         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
14784         (tree-vectorizer.o): Added missing dependencies.
14785
14786         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
14787         decleration.
14788         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
14789         declaration in tree-vectorizer.c, now has an extern declaration in
14790         tree-vectorizer.h).
14791         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
14792         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
14793         get_vectype_for_scalar_type, vect_is_simple_use,
14794         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
14795         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
14796         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
14797         vectorizable_store, vectorizable_operation, vectorizable_assignment,
14798         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
14799         find_loop_location): Likewise.
14800
14801         * tree-vectorizer.c (langhooks.h): #include removed.
14802         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
14803         moved to tree-vectorized.h.
14804         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
14805         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
14806         get_vectype_for_scalar_type, vect_is_simple_use,
14807         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
14808         vect_supportable_dr_alignment, new_loop_vec_info,
14809         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
14810         vect_set_verbosity_level, find_loop_location): Likewise.
14811
14812         (vect_analyze_loop): Function externalized. Declaration moved to
14813         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
14814         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
14815         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
14816         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
14817         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
14818         vect_enhance_data_refs_alignment, vect_analyze_operations,
14819         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
14820         vect_stmt_relevant_p, vect_get_loop_niters,
14821         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
14822         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
14823         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
14824         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
14825         vect_get_memtag): Likewise.
14826
14827         (vectorizable_load): Function externalized. Declaration moved to
14828         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
14829         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
14830         vect_transform_loop): Likewise.
14831         (vect_transform_stmt): Moved to tree-vect-transform.c.
14832         (vect_align_data_ref, vect_create_destination_var,
14833         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
14834         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
14835         vect_get_vec_def_for_operand, vect_init_vector,
14836         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
14837         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
14838         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
14839         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
14840         vect_do_peeling_for_loop_bound): Likewise.
14841
14842         * tree-vect-analyze.c: New file.
14843         * tree-vect-transform.c: New file.
14844
14845 2005-02-17  Jason Merrill  <jason@redhat.com>
14846
14847         PR mudflap/19319, c++/19317
14848         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
14849         slot explicit.
14850
14851 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
14852
14853         * doc/install.texi (Specific): Update link for Darwin-specific
14854         tool binary site.
14855
14856 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
14857
14858         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
14859         constant_boolean_node.
14860
14861 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
14862
14863         PR target/19019
14864         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
14865         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
14866
14867 2005-02-16  Richard Henderson  <rth@redhat.com>
14868
14869         PR 19920
14870         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
14871         with W_TYPE_SIZE.
14872         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
14873         replace uses with Wtype_MAXp1_F.
14874         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
14875         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
14876         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
14877         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
14878         and HAVE_TFMODE as appropriate.
14879         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
14880         (__floatdisf): Likewise.
14881         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
14882         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
14883         (Wtype_MAXp1_F): New.
14884         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
14885         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
14886
14887 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
14888
14889         * PR target/19162
14890         * arm.c (arm_apply_result_size): New function.
14891         * arm.h (APPLY_RESULT_SIZE): Define.
14892         * arm-protos.h (arm_apply_result_size): Add prototype.
14893         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
14894         (movxf): New expand.
14895         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
14896         (call_value_symbol): Remove predicate for operand 0.
14897         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
14898         (untyped_call): Rework to correclty return values for any type.
14899         (untyped_return): New expand.
14900         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
14901
14902 2005-02-16  Stan Shebs  <shebs@apple.com>
14903
14904         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
14905         * config/rs6000/t-darwin8: New, for 64-bit multilib.
14906
14907 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
14908
14909         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
14910         configure settings on Solaris 7 and later.
14911
14912 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
14913
14914         PR tree-optimization/19865
14915         * tree-optimize.c (init_tree_optimization_passes): Run
14916         pass_may_alias after pass_sra.
14917
14918 2005-02-16  Richard Henderson  <rth@redhat.com>
14919             Stuart Hastings  <stuart@apple.com>
14920
14921         PR debug/19521
14922         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
14923         Do nothing if debug info suppressed for this function.
14924         (dbxout_begin_function): Early exit if debug info suppressed for
14925         this function.
14926
14927 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
14928
14929         PR target/20007
14930         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
14931         find_basic_blocks.
14932         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
14933
14934         PR tree-optimization/19967
14935         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
14936         expand_builtin_strchr, expand_builtin_strrchr): Take a new
14937         argument TYPE.  Adjust calls to fold_builtin_XXX.
14938         (expand_builtin, fold_builtin_1): Adjust calls to
14939         expand_builtin_XXX.
14940         (fold_builtin_strchr, fold_builtin_strpbrk,
14941         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
14942         result to a requested type TYPE.
14943
14944 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
14945
14946         PR middle-end/19857
14947         * fold-const.c (fold): Don't optimize (T)(x & cst) to
14948         (T)x & (T)cst if (T)cst overflows.
14949         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
14950         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
14951
14952 2005-02-15  Jeff Law  <law@redhat.com>
14953
14954         * gcse.c (blocks_with_calls): New bitmap.
14955         (alloc_gcse_mem): Allocate it.
14956         (free_gcse_mem): Free it.
14957         (clear_modifY_mem_tables): Clear it.
14958         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
14959         when we encounter CALL_INSNs.
14960         (compute_transp, case MEM): Handle blocks with calls separate
14961         from blocks without calls.  Use bitmap iterators rather than
14962         FOR_EACH_BB.
14963
14964 2005-02-15  Peter O'Gorman  <peter@pogma.com>
14965
14966         PR bootstrap/18810
14967         * mklibgcc.in (vis_hide): Use a temporary object file, not
14968         -o /dev/null.
14969
14970 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
14971
14972         PR target/19924
14973         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
14974         access optimization.
14975
14976 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
14977             Alan Modra  <amodra@bigpond.net.au>
14978
14979         PR target/19019
14980         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
14981         (_xlqsub): Rename to __gcc_qsub.
14982         (_xlqmul): Rename to __gcc_qmul.
14983         (_xlqdiv): Rename to __gcc_qdiv.
14984         Provide versioned symbol aliases with old names.
14985         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
14986         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
14987         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
14988         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
14989         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
14990
14991 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
14992
14993         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
14994         Fold ~(A - 1) and ~(A + -1) to -A.
14995
14996 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
14997
14998         PR pch/14940
14999         PR target/19300
15000         * config/host-linux.c (linux_gt_pch_use_address): Copy from
15001         config/pa/pa-host.c:pa_gt_pch_use_address.
15002
15003 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
15004
15005         * tree-vn.c (get_value_handle): Make sure that given an
15006         is_gimple_min_invariant expression, we always return it.
15007
15008 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
15009
15010         * passes.c (rest_of_handle_gcse): Fix a comment.
15011
15012 2005-02-15  Jeff Law  <law@redhat.com>
15013
15014         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
15015         bitmap.
15016         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
15017         (canon_list_insert, record_last_mem_set_info): Similarly.
15018         (clear_modify_mem_tables): Similarly.
15019
15020 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
15021
15022         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
15023         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
15024         config/mips/mips.md, config/rs6000/aix.h,
15025         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
15026
15027 2005-02-15  Richard Henderson  <rth@redhat.com>
15028
15029         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
15030         call to be best_edge.
15031
15032 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
15033
15034         * basic-block.h: Adjust the prototype for find_basic_blocks.
15035         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
15036         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
15037         find_basic_blocks.
15038
15039         * flow.c (recompute_reg_usage): Remove all arguments.
15040         * passes.c (rest_of_compilation): Adjust the call to
15041         recompute_reg_usage.
15042         * rtl.h: Adjust the prototype for recompute_reg_usage.
15043
15044 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
15045
15046         * tree-dump.c (dump_files): Update to reflect new member
15047         of dump_file_info.
15048         (dump_register): Add new argument.
15049         Set glob name.
15050         (dump_switch_p_1): Check against glob name if doglob was passed.
15051         (dump_switch_p): Check against regular first, then glob if
15052         we didn't have any hits on the dump name.
15053         * tree-optimize.c (register_one_dump_file):
15054         Pass in glob name as well.
15055         * tree-pass.h (struct dump_file_info): Add glob
15056         member.
15057
15058 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
15059
15060         PR preprocessor/16323
15061         * doc/invoke.texi: Document that -Wendif-labels is on by default.
15062
15063 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
15064
15065         PR target/19019
15066         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
15067         (trunctfdf2_internal1): New.
15068         (trunctfdf2_internal2): Renamed from trunctfdf2.
15069
15070 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
15071
15072         PR tree-optimization/19853
15073         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
15074
15075 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
15076
15077         * passes.c (rest_of_handle_loop_optimize): Remove calls to
15078         delete_dead_jumptables and cleanup_cfg.
15079
15080 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
15081
15082         * reload.c (find_reloads): Swap address_reloaded flags when
15083         swapping commutative operands.
15084
15085 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
15086
15087         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
15088         Use standard_iv_increment_position for computing the bsi position
15089         for create_iv.
15090         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
15091         the bsi position.
15092
15093 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
15094
15095         PR target/17428
15096         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
15097         life range of hard registers.
15098         * value-prof.c (insn_prefetch_values_to_profile): Only
15099         scan normal insns.
15100
15101         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
15102         profile in libcalls.
15103
15104 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
15105
15106         * bitmap.h (bitmap_and_compl_into): Return bool.
15107         * bitmap.c (bitmap_and_compl_into): Return changed flag.
15108
15109 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
15110
15111         PR tree-optimization/19944
15112         * fold-const.c (fold): Re-add ABS_EXPR folding.
15113
15114 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
15115
15116         PR target/19019
15117         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
15118         {TARGET,MASK}_XL_COMPAT.
15119         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
15120         MASK_XL_COMPAT.
15121         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
15122         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
15123         TARGET_XL_COMPAT.
15124         (rs6000_arg_partial_bytes): Same.
15125         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
15126         and XL compatibility enabled.
15127         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
15128         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
15129         test to final condition.
15130         (cmptf_internal2): New.
15131         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
15132         xl-compat.  Add TFmode information to description.
15133
15134 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
15135
15136         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
15137
15138 2005-02-13  Jason Merrill  <jason@redhat.com>
15139
15140         PR c++/16405
15141         * fold-const.c (fold_indirect_ref_1): Split out from...
15142         (build_fold_indirect_ref): Here.
15143         (fold_indirect_ref): New fn.
15144         * tree.h: Declare it.
15145         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
15146         (gimplify_modify_expr_rhs): Likewise.
15147         (gimplify_expr): Likewise.
15148
15149 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
15150
15151         PR tree-optimization/14303
15152         PR tree-optimization/15784
15153         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
15154         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
15155         ABS_EXPR<x> != 0 to x != 0.
15156
15157 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
15158
15159         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
15160         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
15161         spelling conventions.
15162
15163         * passes.c (rest_of_handle_gcse): Don't run cse_main and
15164         delete_trivially_dead_insns too many times.
15165
15166         * passes.c (rest_of_handle_gcse): Remove dead assignments to
15167         tem and tem2.
15168
15169 2005-02-12  Ira Rosen  <irar@il.ibm.com>
15170
15171         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
15172         (vect_is_simple_iv_evolution): Remove redundant parameter
15173         and step check.
15174         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
15175         without last parameter.
15176         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
15177         Return pointer step. Call vect_is_simple_iv_evolution without
15178         last parameter. Check only that the step is multiple of size
15179         type. Remove stmt_vinfo updates.
15180         (vect_get_memtag_and_dr): Remove.
15181         (vect_get_memtag): New function.
15182         (vect_address_analysis): New function.
15183         (vect_object_analysis): New function.
15184         (vect_analyze_data_refs): Call vect_object_analysis and
15185         vect_get_memtag. Update stmt_vinfo fields.
15186
15187 2005-02-12  Ira Rosen  <irar@il.ibm.com>
15188
15189         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
15190         exist and are objects. Remove checks for pointer.
15191         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
15192         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
15193         (vect_create_data_ref_ptr): Likewise.
15194         (vect_base_addr_differ_p): New function.
15195         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
15196         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
15197         Don't set the DR_BASE_NAME field of data-ref.
15198         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
15199
15200 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
15201
15202         * optabs.h (enum optab_index): Add new OTI_ldexp.
15203         (ldexp_optab): Define corresponding macro.
15204         * optabs.c (init_optabs): Initialize ldexp_optab.
15205         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
15206         patterns.
15207         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
15208         using ldexp_optab.
15209         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
15210         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
15211
15212         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
15213         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
15214         intrinsics.
15215
15216 2005-02-12  Ira Rosen  <irar@il.ibm.com>
15217
15218         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
15219         to base_address.
15220         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
15221         stmt_vec_info.
15222         (vect_get_base_and_offset): Always return an address.
15223         (vect_create_addr_base_for_vector_ref): Remove treatment for
15224         different data reference types.
15225         (vect_compute_data_ref_alignment): Rename base to base_address in
15226         stmt_vec_info. Get the object in order to force its alignment.
15227         (vect_get_memtag_and_dr): Rename base to base_address in
15228         stmt_vec_info. Extract the object for memtag analysis.
15229
15230 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
15231
15232         PR regression/19898.
15233         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
15234         changes cc_status, use apply modified_in_p to part of cc_status
15235         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
15236         body.
15237
15238 2005-02-11  Richard Henderson  <rth@redhat.com>
15239
15240         * tree-complex.c (expand_complex_libcall): New.
15241         (expand_complex_multiplication): Use it for c99 compliance.
15242         (expand_complex_division): Likewise.
15243         * fold-const.c (fold_complex_add, fold_complex_mult): New.
15244         (fold): Call them.
15245         * builtins.c (built_in_names): Remove const.
15246         * tree.c (build_common_builtin_nodes): Build complex arithmetic
15247         builtins.
15248         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
15249         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
15250         (built_in_names): Remove const.
15251         * c-common.c (c_common_type_for_mode): Handle complex modes.
15252         * flags.h, toplev.c (flag_complex_method): Rename from
15253         flag_complex_divide_method.
15254         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
15255         __mulsc3, __muldc3, __mulxc3, __multc3): New.
15256         * libgcc2.h: Declare them.
15257         * libgcc-std.ver: Export them.
15258         * mklibgcc.in (lib2funcs): Build them.
15259
15260 2005-02-11  Steven Bosscher  <stevenb@suse.de>
15261
15262         PR tree-optimization/19876
15263         Partially revert my change from 2005-01-14
15264         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
15265         (compute_antic): ...and remove the loop here.
15266
15267 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
15268
15269         PR middle-end/19858
15270         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
15271         is number of inner's bits, avoid creating a BIT_FIELD_REF.
15272
15273         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
15274         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
15275
15276 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
15277
15278         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
15279         offsets for the big-endian 32-bit case.
15280
15281 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
15282
15283         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
15284
15285 2005-02-11  Dale Johannesen  <dalej@apple.com>
15286
15287         * cselib.c (cselib_process_insn):  Clear out regs where
15288         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
15289         * reload.c (find_equiv_reg): Ditto.
15290
15291 2005-02-11  Ian Lance Taylor  <ian@airs.com>
15292
15293         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
15294         with no elements.
15295
15296         * tree.c (build_function_type_list): Work correctly if there are
15297         no arguments.
15298
15299 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
15300
15301         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
15302         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
15303         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
15304         TARGET_ZARCH instead of TARGET_64BIT.
15305
15306 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
15307
15308         * config/rs6000/t-rtems:
15309         (MULTILIB_OPTIONS): Remove mcpu=602.
15310         (MUTLILIB_DIRNAMES): Remove m602.
15311         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
15312         Let mcpu=602 match mcpu=603.
15313         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
15314
15315 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15316
15317         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
15318         signal trampolines.
15319
15320 2005-02-10  David Daney  <ddaney@avtrex.com>
15321
15322         * config/alpha/linux-unwind.h: Add exception clause to copyright.
15323         * config/i386/linux-unwind.h: Likewise.
15324         * config/ia64/linux-unwind.h: Likewise.
15325         * config/mips/linux-unwind.h: Likewise.
15326         * config/pa/linux-unwind.h: Likewise.
15327         * config/rs6000/linux-unwind.h: Likewise.
15328         * config/s390/linux-unwind.h: Likewise.
15329         * config/sh/linux-unwind.h: Likewise.
15330         * config/sparc/linux-unwind.h: Likewise.
15331
15332 2005-02-10  Steven Bosscher  <stevenb@suse.de>
15333
15334         PR tree-optimization/17549
15335         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
15336         TER to replace a DEF with its expression if the DEF and the
15337         rhs of the expression we replace into have the same root
15338         variable.
15339
15340 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
15341
15342         * config/mips/mips.md: Fix the placement of the match_scratch in the
15343         lea64 peephole2.
15344
15345 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
15346
15347         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
15348         Fix comment typos.
15349
15350 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
15351
15352         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
15353         (strip_offset): Handle addresses.
15354         (add_address_candidates): Use strip_offset.
15355         (difference_cost): Reflect strip_offset change.
15356         (force_var_cost, difference_cost): Strip nops.
15357
15358 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
15359
15360         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
15361
15362         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
15363         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
15364         config/cris/cris-protos.h, config/cris/cris.c: Update
15365         copyright.
15366
15367 2005-02-10  Jeff Law  <law@redhat.com>
15368
15369         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
15370         (lookup_avail_expr): Similarly.
15371
15372 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
15373
15374         * builtins.c (fold_builtin_powi): New function.
15375         (fold_builtin_1): Call it.
15376
15377 2005-02-10  Steven Bosscher  <stevenb@suse.de>
15378
15379         PR documentation/19309
15380         * doc/cpp.texi: The __GNUC__ and related predefined macros
15381         are also defined for the "standalone" cpp.
15382         Some non-GCC compilers may also define __GNUC__.
15383
15384 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
15385
15386         PR c/19342
15387         * c-typeck.c (common_type): New routine.  Old common_type renamed
15388         to...
15389         (c_common_type): ...this.
15390         (build_conditional_expr, build_binary_op): Use c_common_type instead
15391         of common_type.
15392
15393 2005-02-10  Steven Bosscher  <stevenb@suse.de>
15394
15395         * doc/md.texi: Replace @samp{length} with @code{length}.
15396
15397 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
15398
15399         PR tree-optimization/18687
15400         * tree-flow.h (find_loop_niter): Declare.
15401         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
15402         Try using scev even for loops with more than one exit.
15403         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
15404         (struct ivopts_data): Added niters field.
15405         (struct nfe_cache_elt): New.
15406         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
15407         functions.
15408         (tree_ssa_iv_optimize_init): Initialize niters cache.
15409         (determine_number_of_iterations): Removed.
15410         (find_induction_variables): Do not call determine_number_of_iterations.
15411         Access niters for single exit through niter_for_single_dom_exit.
15412         (add_iv_outer_candidates): Access niters for single exit through
15413         niter_for_single_dom_exit.
15414         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
15415         number_of_iterations_cond.
15416         (iv_period): New function.
15417         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
15418         (may_replace_final_value): Take data argument.  Use
15419         niter_for_single_dom_exit.
15420         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
15421         (rewrite_use_compare): Pass data to may_eliminate_iv.
15422         (rewrite_use_outer): Pass data to may_replace_final_value.
15423         (free_loop_data): Clean up the niters cache.
15424         (tree_ssa_iv_optimize_finalize): Free the niters cache.
15425         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
15426         * tree-ssa-loop-niter.c (find_loop_niter): New function.
15427         (find_loop_niter_by_eval): Use tree_int_cst_lt.
15428         (num_ending_zeros): Moved to tree.c.
15429         * tree.h (num_ending_zeros): Declare.
15430         * tree.c (num_ending_zeros): Moved from tree.c.
15431
15432 2005-02-09  Richard Henderson  <rth@redhat.com>
15433
15434         * builtins.c (DEF_BUILTIN): Add COND argument.
15435         * tree.h (DEF_BUILTIN): Likewise.
15436         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
15437         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
15438         match.
15439         (DEF_BUILTIN_STUB): New.
15440         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
15441         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
15442         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
15443         * c-common.c (DEF_BUILTIN): Add COND argument.
15444         * tree.c (local_define_builtin): New.
15445         (build_common_builtin_nodes): New.
15446
15447 2005-02-09  Roger Sayle  <roger@eyesopen.com>
15448
15449         * fold-const.c (fold_strip_sign_ops): New function to simplify a
15450         floating point expression ignoring the sign of the result.
15451         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
15452         (fold) <MULT_EXPR>: Use it to simplify x*x.
15453         * tree.h (fold_strip_sign_ops): Prototype here.
15454         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
15455         argument.  Use fold_strip_sign_ops to simplify the first argument.
15456         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
15457         first argument when the second argument is an even integer
15458         constant, but only with -funsafe_math_optimizations.
15459         (fold_builtin_1): Update call to fold_builtin_copysign.
15460
15461 2005-02-09  Ian Lance Taylor  <ian@airs.com>
15462
15463         PR middle-end/19583
15464         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
15465         just check whether EH_FILTER_FAILURE falls through.
15466
15467 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
15468
15469         * gcc/haifa-sched.c (schedule_block): Make queued sched group
15470         insns return to ready list in the next turn.
15471
15472 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
15473
15474         PR middle-end/19402
15475         * builtins.def: New __builtin_powi[lf].
15476         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
15477         (expand_builtin_powi): New function.
15478         (expand_builtin): Dispatch to expand_builtin_powi.
15479         * libgcc2.h: Add prototypes for __builtin_powi[lf].
15480         * libgcc2.c: Add __builtin_powi[lf] implementation.
15481         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
15482         * optabs.h: Add powi_optab.
15483         * optabs.c (init_optabs): Initialize powi_optab.
15484         * doc/extend.texi: Document __builtin_powi[lf].
15485
15486 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
15487
15488         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
15489         exists.
15490
15491 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
15492
15493         PR middle-end/19854
15494         * fold-const.c (try_move_mult_to_index): Remove redundant
15495         type argument.  Create ADDR_EXPR with correct type.
15496         (fold): Update callers of try_move_mult_to_index.  Convert
15497         result to the appropriate type.
15498
15499 2005-02-09  Roger Sayle  <roger@eyesopen.com>
15500
15501         PR target/19597
15502         * config/avr/avr.c (default_rtx_costs): Delete.
15503         (avr_operand_rtx_cost): New function.
15504         (avr_rtx_costs): Completely rewrite.
15505
15506 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
15507
15508         PR target/19806
15509         * config/cris/cris.c (in_code): New variable.
15510         (cris_output_addr_const): Now a static function, a wrapper for
15511         output_addr_const.
15512         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
15513         case from old cris_output_addr_const.
15514         (cris_asm_output_label_ref): Similar for LABEL_REF.
15515         (cris_output_addr_const_extra): Similar for UNSPEC.
15516         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
15517         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
15518         * config/cris/cris-protos.h (cris_output_addr_const): Remove
15519         declaration.
15520         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
15521         (cris_asm_output_label_ref): Declare.
15522
15523 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
15524
15525         PR preprocessor/19801
15526         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
15527         filenames that changed when libcpp was moved to the toplevel.
15528
15529 2005-02-07  Roger Sayle  <roger@eyesopen.com>
15530
15531         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
15532         zero extensions of BImode operands.  Call lowpart_subreg instead
15533         of gen_lowpart_common and gen_lowpart_SUBREG.
15534
15535 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
15536
15537         PR ada/19489
15538         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
15539         * configure.ac: Set cc_for_cross_gnattools.
15540         * configure: Regenerate.
15541
15542 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
15543
15544         PR target/19803
15545         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
15546
15547 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15548
15549         PR debug/19327
15550         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
15551         of nested functions.
15552
15553 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
15554
15555         * doc/extend.texi: Document deprecated extensions allowing
15556         static floating-point members to have initializers and allowing
15557         floating-point literals in integral constant expressions.
15558
15559 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
15560
15561         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
15562         config/darwin7.h, config/mips/mips.c,
15563         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
15564         Update copyright.
15565
15566         * cse.c: Update comments.
15567
15568 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
15569
15570         PR middle-end/19775
15571         * builtins.c (fold_builtin_sqrt): Transform
15572         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
15573         pow(x,y*0.5).
15574
15575 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
15576             Dorit Naishlos  <dorit@il.ibm.com>
15577
15578         * doc/invoke.texi (ftree-vectorizer-verbose): New.
15579         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
15580         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
15581         was added.
15582         * tree.h (vect_set_verbosity_level): New extern function declaration
15583         added.
15584         * tree-vectorizer.h (verbosity_levels): New enum type.
15585         * tree-vectorizer.c (vect_debug_stats): Function removed.
15586         (vect_debug_details): Likewise.
15587         (vect_verbosity_level): Global variable was defined and initialized.
15588         (vect_dump): Global variable definition.
15589         (vect_print_dump_info): New function.
15590         (vect_set_dump_settings): New function.
15591         (vect_set_verbosity_level): New function.
15592         (vectorize_loops): Add call to vect_set_dump_settings.
15593
15594         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
15595         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
15596         (slpeel_tree_peel_loop_to_edge): Likewise.
15597
15598         (vect_analyze_offset_expr): Call to vect_print_dump_info with
15599         appropriate verbosity level instead of call to vect_debug_details
15600         or vect_debug_stats.
15601         (vect_get_base_and_offset):
15602         (vect_create_addr_base_for_vector_ref):
15603         (get_vectype_for_scalar_type):
15604         (vect_create_data_ref_ptr):
15605         (vect_init_vector):
15606         (vect_get_vec_def_for_operand):
15607         (vect_finish_stmt_generation):
15608         (vectorizable_assignment):
15609         (vectorizable_operation):
15610         (vectorizable_store):
15611         (vectorizable_load):
15612         (vect_transform_stmt):
15613         (vect_update_ivs_after_vectorizer):
15614         (vect_do_peeling_for_loop_bound):
15615         (vect_update_inits_of_drs):
15616         (vect_do_peeling_for_alignment):
15617         (vect_transform_loop):
15618         (vect_is_simple_use):
15619         (vect_analyze_operations):
15620         (vect_is_simple_iv_evolution):
15621         (vect_analyze_scalar_cycles):
15622         (vect_analyze_data_ref_dependence):
15623         (vect_analyze_data_ref_dependences):
15624         (vect_compute_data_ref_alignment):
15625         (vect_enhance_data_refs_alignment):
15626         (vect_analyze_data_refs_alignment):
15627         (vect_analyze_data_ref_access):
15628         (vect_analyze_data_ref_accesses):
15629         (vect_analyze_pointer_ref_access):
15630         (vect_get_memtag_and_dr):
15631         (vect_analyze_data_refs):
15632         (vect_mark_relevant):
15633         (vect_stmt_relevant_p):
15634         (vect_mark_stmts_to_be_vectorized):
15635         (vect_can_advance_ivs_p):
15636         (vect_get_loop_niters):
15637         (vect_analyze_loop_form):
15638         (vect_analyze_loop):
15639         (vectorize_loops): Likewise.
15640
15641         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
15642         (vect_update_inits_of_drs):
15643         (vect_do_peeling_for_alignment):
15644         (vect_transform_loop):
15645         (vect_analyze_operations):
15646         (vect_analyze_scalar_cycles):
15647         (vect_analyze_data_ref_dependences):
15648         (vect_analyze_data_refs_alignment):
15649         (vect_analyze_data_ref_accesses):
15650         (vect_analyze_data_refs):
15651         (vect_mark_stmts_to_be_vectorized):
15652         (vect_get_loop_niters):
15653         (vect_analyze_loop_form):
15654         (vect_analyze_loop): Likewise.
15655         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
15656
15657 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
15658
15659         PR bootstrap/19796
15660         Revert:
15661         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
15662         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
15663         either -ffast-math or -funsafe-math-optimizations is in use.
15664
15665         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
15666         * config/mips/irix-csr.c: New file.
15667         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
15668         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
15669         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
15670         executables.
15671
15672 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
15673
15674         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
15675         redundant, incorrect definitions.
15676
15677         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
15678         expand.
15679         ("*tls_indirect_call"): New, reference hard regs directly.
15680         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
15681
15682 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
15683
15684         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
15685         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
15686
15687 2005-02-06  Roger Sayle  <roger@eyesopen.com>
15688
15689         PR rtl-optimization/19800
15690         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
15691         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
15692         gen_lowpart.
15693
15694 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
15695
15696         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
15697
15698 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
15699
15700         PR other/17135
15701         * doc/invoke.texi: Correct documentation of -freorder-functions.
15702
15703 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15704
15705         PR other/14402
15706         * doc/invoke.texi: Don't mention gccbug.
15707
15708 2005-02-06  Roger Sayle  <roger@eyesopen.com>
15709             Andrew Pinski  <pinskia@physics.uc.edu>
15710             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
15711
15712         * simplify-rtx.c (simplify_relational_operation_1): Simplify
15713         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
15714         into just (zero_extract:SI FOO (const_int 1) BAR).
15715
15716 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15717
15718         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
15719         macro locally.  Don't give last revision date.  Use GCC version
15720         number from gcc-common.texi.
15721         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
15722         revision date.  Use GCC version number from gcc-common.texi.
15723         Describe being a library as current state rather than as 3.x
15724         history.
15725         * doc/gcc.texi: Remove last update date.
15726         * doc/gccint.texi: Likewise.  Update copyright dates.
15727         * doc/install.texi: Update copyright dates.
15728
15729 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15730
15731         PR other/7549
15732         * doc/invoke.texi: Mention for each option included in -Wall that
15733         it is included in -Wall.
15734         * doc/gcc.texi: Update copyright and last modification date.
15735
15736 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
15737
15738         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
15739         unnecessary cast to original induction variable increments.
15740
15741 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
15742
15743         PR tree-optimization/18219
15744         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
15745         in distributed form.
15746
15747 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
15748
15749         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
15750         Set bitpos and offset later in the function.  Do nothing if the
15751         target is a register and if the bitfield lies completely outside
15752         that register.
15753         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
15754         here.  Return an uninitialised register if the source value is stored
15755         in a register and the bitfield lies completely outside that register.
15756
15757 2005-02-06  Steven Bosscher  <stevenb@suse.de>
15758
15759         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
15760         not SET_DEST.
15761
15762 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
15763
15764         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
15765
15766 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
15767
15768         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
15769         * config/darwin8.h: New.
15770         * config/darwin7.h: Update comment.
15771
15772 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
15773             Dorit Naishlos  <dorit@il.ibm.com>
15774
15775         * tree-vectorizer.h (LOC): New type.
15776         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
15777         (loop_line_number): New field in struct _loop_vec_info.
15778         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
15779
15780         * tree-vectorizer.c (input.h): Included.
15781         (find_loop_location): New function.
15782         (vect_debug_stats): Argument changed from loop to LOC. Computation of
15783         loop line number removed.
15784         (vect_debug_details): Likewise.
15785         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
15786
15787         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
15788         call to vect_debug_details/stats changed from loop to loop_loc.
15789         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
15790         (slpeel_tree_peel_loop_to_edge): Likewise.
15791
15792         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
15793         changed from NULL to UNKNOWN_LOC.
15794         (vect_get_base_and_offset):
15795         (vect_create_addr_base_for_vector_ref):
15796         (get_vectype_for_scalar_type):
15797         (vect_create_data_ref_ptr):
15798         (vect_init_vector):
15799         (vect_get_vec_def_for_operand):
15800         (vect_finish_stmt_generation):
15801         (vectorizable_assignment):
15802         (vectorizable_operation):
15803         (vectorizable_store):
15804         (vectorizable_load):
15805         (vect_transform_stmt):
15806         (vect_update_ivs_after_vectorizer):
15807         (vect_do_peeling_for_loop_bound):
15808         (vect_do_peeling_for_alignment):
15809         (vect_transform_loop):
15810         (vect_is_simple_use):
15811         (vect_analyze_operations):
15812         (vect_is_simple_iv_evolution):
15813         (vect_analyze_scalar_cycles):
15814         (vect_analyze_data_ref_dependences):
15815         (vect_compute_data_ref_alignment):
15816         (vect_enhance_data_refs_alignment):
15817         (vect_analyze_data_ref_access):
15818         (vect_analyze_data_ref_accesses):
15819         (vect_analyze_pointer_ref_access):
15820         (vect_get_memtag_and_dr):
15821         (vect_analyze_data_refs):
15822         (vect_mark_relevant):
15823         (vect_stmt_relevant_p):
15824         (vect_mark_stmts_to_be_vectorized):
15825         (vect_can_advance_ivs_p):
15826         (vect_get_loop_niters):
15827         (vect_analyze_loop):
15828         (vectorize_loops): Likewise.
15829
15830         (vectorizable_load): Argument in call to vect_debug_details/stats
15831         changed from loop to LOOP_LOC (loop_vinfo).
15832         (vect_transform_loop):
15833         (vect_analyze_operations):
15834         (vect_analyze_scalar_cycles):
15835         (vect_analyze_data_ref_dependence):
15836         (vect_enhance_data_refs_alignment):
15837         (vect_analyze_data_ref_accesses):
15838         (vect_analyze_pointer_ref_access):
15839         (vect_analyze_data_refs):
15840         (vect_analyze_loop): Likewise.
15841
15842         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
15843         changed from loop to loop_loc.
15844
15845         (vect_enhance_data_refs_alignment): Removed unused variable loop.
15846
15847 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
15848             Dorit Naishlos  <dorit@il.ibm.com>
15849
15850         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
15851         declaration added.
15852         (vect_analyze_data_ref_dependences): Likewise.
15853
15854         (vect_is_simple_use): Argument changed from loop structure to
15855         loop_vect_info structure.
15856         (vect_can_advance_ivs_p): Likewise.
15857         (vect_create_index_for_vector_ref): Likewise.
15858         (vect_update_ivs_after_vectorizer): Likewise.
15859         (new_stmt_vec_info): Likewise.
15860
15861         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
15862         changed from loop to loop_vinfo.
15863         (vect_create_data_ref_ptr): First argument in call to
15864         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
15865         (vectorizable_assignment): Second argument in call to vect_is_simple_use
15866         was changed from loop to loop_vinfo.
15867         (vectorizable_operation): Likewise.
15868         (vectorizable_store): Likewise.
15869         (vect_mark_stmts_to_be_vectorized): Likewise.
15870         (vect_do_peeling_for_loop_bound): First argument in call to
15871         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
15872         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
15873         was changed from loop to loop_vinfo.
15874         (vect_analyze_data_ref_dependences): Third argument in call to
15875         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
15876
15877         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
15878         (vect_create_data_ref_ptr): Likewise.
15879         (vect_init_vector): Likewise.
15880         (vect_get_vec_def_for_operand): Likewise.
15881         (vectorizable_assignment): Likewise.
15882         (vectorizable_operation): Likewise.
15883         (vectorizable_store): Likewise.
15884         (vectorizable_load): Likewise.
15885         (vect_update_ivs_after_vectorizer): Likewise.
15886         (vect_is_simple_use): Likewise.
15887         (vect_analyze_data_ref_dependence): Likewise.
15888         (vect_analyze_pointer_ref_access): Likewise.
15889         (vect_can_advance_ivs_p): Likewise.
15890
15891         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
15892         before _stmt_vec_info.
15893         (_stmt_vec_info): Loop field replaced by loop_vec_info.
15894         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
15895         (new_stmt_vec_info): Argument changed from loop structure to
15896         loop_vect_info structure
15897
15898         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
15899         (vect_analyze_offset_expr): Avoid 80 columns overflow.
15900         (vect_create_addr_base_for_vector_ref): Likewise.
15901         (vect_analyze_pointer_ref_access): Likewise.
15902
15903 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
15904
15905         PR tree-opt/19768
15906         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
15907         phi flag if the phi is abnormal.
15908
15909 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
15910
15911         PR tree-opt/19736
15912         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
15913         information for the new statement.
15914
15915 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
15916
15917         PR driver/19117
15918         * gcc.c (main): Include the target in -v output.
15919
15920 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
15921
15922         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
15923         Do not drop the extend if we'd have to add a paradoxical subreg
15924         later.  Include optabs.h and insn-codes.h.
15925         * Makefile.in (combine.o): Depend on $(OPTABS_H).
15926
15927 2005-02-02  Roger Sayle  <roger@eyesopen.com>
15928
15929         PR middle-end/19405
15930         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
15931         * fold-const.c (const_binop): Avoid constant folding floating
15932         point operations in modes that use composite representations.
15933         * simplify-rtx.c (simplify_binary_operation): Likewise.
15934
15935 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
15936
15937         * config/rs6000/altivec.md (altivec_dst): Make the first operand
15938         a REG, not a MEM.
15939         (altivec_dstt): Likewise.
15940         (altivec_dstst): Likewise.
15941         (altivec_dststt): Likewise.
15942         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
15943         of first operand.
15944
15945 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15946
15947         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
15948         EXPR_LOCUS from orig_cond to the new cond_stmt.
15949         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
15950         the new vec_stmt.
15951
15952 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15953
15954         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
15955         standard_iv_increment_position. Remove call to bsi_next
15956         (no need to bump the iterator anymore).
15957         (vect_create_index_for_vector_ref): Call
15958         standard_iv_increment_position. Remove second function argument.
15959         (vect_finish_stmt_generation): Remove call to bsi_next
15960         (no need to bump the iterator anymore).
15961         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
15962         to vect_create_index_for_vector_ref.
15963
15964 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15965
15966         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
15967         phis are used out of the loop.
15968
15969 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
15970
15971         PR c/17807
15972         * c-decl.c (undef_nested_function): New variable.
15973         (pop_scope): Diagnose undefined nested functions.
15974         (finish_function): Don't attempt cgraph processing or genericizing
15975         if current top-level function contained an undefined nested
15976         function.  Reset undef_nested_function at the end of a top-level
15977         function.
15978
15979 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
15980
15981         * tree.c (build_int_cst_type): Take sign of the value into account
15982         when deciding whether sign extend the value.
15983
15984 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
15985
15986         PR c/18502
15987         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
15988         (cpp_options, cc1_options): Change %{std*&ansi} to
15989         %{std*&ansi&trigraphs}.
15990
15991 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
15992
15993         * cse.c: Update comments.
15994
15995 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
15996
15997         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
15998         arguments go on the stack.  Do not put complex doubles in odd/even
15999         pairs.
16000
16001 2005-02-02  Steven Bosscher  <stevenb@suse.de>
16002
16003         * doc/invoke.texi: Update the options enabled at -O1, -O2,
16004         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
16005         -ftree-pre, and -fthread-jumps.
16006
16007 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
16008
16009         PR tree-optimization/19578
16010         * tree-flow.h (modified_noreturn_calls): Declare.
16011         (noreturn_call_p): Declare.
16012         * tree-flow-inline.h (noreturn_call_p): New function.
16013         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
16014         * tree-cfg.c (modified_noreturn_calls): New variable.
16015         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
16016         that contain a mid-block noreturn call.
16017         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
16018
16019 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
16020
16021         * df.c (df_def_record_1, df_uses_record): Don't use
16022         DF_FOR_REGALLOC.
16023         * df.h (DF_FOR_REGALLOC): Remove.
16024
16025 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
16026
16027         PR c/19435
16028         * c-typeck.c (really_start_incremental_init): Reset
16029         constructor_max_index for arrays of incomplete type.
16030
16031 2005-02-02  Jeff Law  <law@redhat.com>
16032
16033         * gcse.c (struct reg_set): Store the block index where the register
16034         was set rather than the setting insn.
16035         (record_one_set, compute_transp): Corresponding changes.
16036         (pre_insert_copy_insn): Do not call replace_one_set.
16037         (replace_one_set): Remove.
16038
16039 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
16040
16041         PR other/15514
16042         * doc/gcov.texi: Fix typo.
16043
16044 2005-02-01  Richard Henderson  <rth@redhat.com
16045
16046         PR target/19680
16047         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
16048         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
16049         type to bool.
16050         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
16051         * config/i386/i386-protos.h: Update.
16052
16053 2005-02-01  Steven Bosscher  <stevenb@suse.de>
16054
16055         PR tree-optimization/19217
16056         * tree-cfg.c (verify_expr): Use the data field to see if TP was
16057         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
16058         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
16059         that it is walking a PHI node.
16060
16061 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
16062
16063         * doc/extend.texi (Nested Functions): Update.
16064
16065 2005-02-01  Richard Henderson  <rth@redhat.com>
16066
16067         PR 19696
16068         * optabs.c (expand_copysign_absneg): Export.
16069         * optabs.h (expand_copysign_absneg): Declare.
16070         * config/rs6000/rs6000.md (copysigntf3): New.
16071
16072 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
16073
16074         PR tree-optimization/19633
16075         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
16076         * tree-ssa-alias.c (init_alias_info): Initialize.
16077         (merge_pointed_to_info): Set.
16078         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
16079         (dump_points_to_info_for): Show value of pt_null.
16080         (struct count_ptr_d): Declare.
16081         (find_ptr_dereference): Remove.
16082         (ptr_is_dereferenced_by): Remove.
16083         (count_ptr_derefs): New local function.
16084         (count_uses_and_derefs): New local function.
16085         (compute_points_to_and_addr_escape): Call it.  If the number
16086         of dereferences is greater than zero, mark the pointer as
16087         dereferenced.  If there are fewer dereferences than uses of
16088         the pointer, the pointer's value escapes.
16089
16090 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
16091
16092         PR tree-optimization/19670
16093         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
16094         here...
16095         (verify_use): ... set it here, instead.
16096
16097 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
16098
16099         * doc/sourcebuild.texi (Test directives): Fix formatting.
16100
16101         * doc/sourcebuild.texi (Test directives): Describe selector
16102         expressions.
16103
16104 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
16105
16106         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
16107         specific 64-bit CPUs.
16108
16109 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
16110
16111         PR target/16201
16112         * arm.c (arm_eliminable_register): New function.
16113         (adjacent_mem_locations): Don't allow eliminable registers.  Use
16114         HOST_WIDE_INT for address offsets.
16115         * arm-protos.h (arm_eliminable_register): Add prototype.
16116
16117 2005-02-01  Steven Bosscher  <stevenb@suse.de>
16118
16119         PR optimization/15242
16120         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
16121         * basic-block.h (duplicate_computed_gotos): Add prototype.
16122         * bb-reorder.c (duplicate_computed_gotos): New function to
16123         duplicate sufficiently small blocks ending in a computed jump.
16124         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
16125         if not optimizing for size.
16126         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
16127         never do tail merging for blocks ending in a computed jump.
16128         * doc/invoke.texi: Document the max-goto-duplication-insns param.
16129
16130 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
16131
16132         Patch from Richard Sandiford <rsandifo@redhat.com>
16133         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
16134         from inheriting a subreg equivalence with a non-spill register.
16135
16136         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
16137
16138 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
16139
16140         * config/frv/frv.c (movcc_fp_destination_operand): New.
16141         (gpr_or_memory_operand): Fix typo in comment.
16142         (gpr_or_memory_operand_with_scratch): New.
16143         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
16144         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
16145         movcc_fp_destination_operand.
16146         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
16147         Legitimize memory addresses using a scratch register.
16148
16149 2005-01-31  Jeff Law  <law@redhat.com>
16150
16151         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
16152         bitmap a sparse bitmap instead of a simple bitmap.
16153         (mark_def_sites_initialize_block):  Corresponding changes.
16154         (ssa_mark_def_sites_initialize_block): Likewise.
16155         (ssa_mark_phi_uses): Likewise.
16156         (mark_def_site, ssa_mark_def_sites): Likewise.
16157         (mark_def_site_blocks): Likewise.
16158         (rewrite_ssa_into_ssa): Likewise.
16159
16160         * tree-ssa-dom.c (record_cond): Pass correct variable type
16161         for last argument to htab_find_slot_with_hash.
16162
16163         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
16164         effects when optimizing 0 % X.  Do not try to optimize X % 0.
16165
16166 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
16167
16168         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
16169         1_mmalua.
16170
16171 2005-02-01  Eric Christopher  <echristo@redhat.com>
16172
16173         * config/mips/mips.c (override_options): Warn if -mint64
16174         is used.
16175         * doc/invoke.texi (MIPS Options): Document that -mint64 is
16176         deprecated.
16177
16178 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
16179
16180         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
16181         timestamp.
16182         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
16183         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
16184         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
16185         (cached_regno): Initialize to INVALID_REGNUM.
16186         (cse_reg_info_table_size,
16187         cse_reg_info_table_first_uninitialized,
16188         cse_reg_info_timestamp): New.
16189         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
16190         get_cse_reg_info.
16191         (init_cse_reg_info, get_cse_reg_info_1): New.
16192         (get_cse_reg_info): Cache the last look-up.
16193         (new_basic_block): Update the code to clear mappings from
16194         registers to cse_reg_info entries.
16195         (cse_main): Call init_cse_reg_info.
16196
16197         * cse.c (get_cse_reg_info): Update a comment.
16198
16199 2005-01-31  Steven Bosscher  <stevenb@suse.de>
16200
16201         PR c/19333
16202         * c-decl.c (start_decl): Do not warn about arrays of elements with
16203         an incomplete type here.
16204         (grokdeclarator): Do it here by making a pedwarn an error.
16205         * c-typeck.c (push_init_level): If there were previous errors with
16206         the constructor type, do not warn about braces for initializers.
16207         (process_init_element): Likewise for excess initializer elements.
16208
16209 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
16210
16211         * cse.c (delete_trivially_dead_insn): Don't iterate.
16212
16213 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
16214
16215         * config/rs6000/rs6000.md (copysignsf3): New expand.
16216         (copysigndf3): Likewise.
16217
16218 2005-01-31  Steven Bosscher  <stevenb@suse.de>
16219
16220         * recog.c (constrain_operands): Only look for earlyclobber operand
16221         conflicts if an '&' constraint was seen.
16222
16223 2005-01-31  Marc Espie <espie@openbsd.org>
16224
16225         * config.gcc: Don't include embedded systems fragment, switches default
16226         debugging format to ELF.
16227         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
16228         longer pick it up there.
16229
16230 2005-01-31  Dale Johannesen  <dalej@apple.com>
16231
16232         * doc/extend.texi (nested functions): Fix linkage description.
16233         Clarify that static is not allowed.
16234
16235 2005-01-31  Dale Johannesen  <dalej@apple.com>
16236
16237         * config/rs6000/darwin.md (movsf_low_di):  Make work.
16238         (movdf_low_di):  Make work.
16239
16240 2005-01-31  Dale Johannesen  <dalej@apple.com>
16241
16242         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
16243         Make work for 64 bit.
16244
16245 2005-01-31  Roger Sayle  <roger@eyesopen.com>
16246             Dale Johannesen  <dalej@apple.com>
16247
16248         PR middle-end/19650
16249         * fold-const.c (fold_binary_op_with_conditional_arg):
16250         Make types match original operands, before STRIP_NOPS.
16251
16252 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
16253
16254         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
16255         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
16256         (struct gcc_sigcontext): Delete.  Merge contents to..
16257         (struct gcc_ucontext): ..here.
16258         (get_sigcontext): Delete.
16259         (get_regs): New function, like get_sigcontext but return regs ptr.
16260         64-bit version finds regs from r1 to support vdso.
16261         (ppc_linux_aux_vector): New function.
16262         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
16263         and vector regs.
16264
16265 2005-01-31  Ira Rosen  <irar@il.ibm.com>
16266
16267         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
16268         sizetype.
16269         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
16270         redundant fold. Fix misalignment for MINUS_EXPR.
16271         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
16272         (vect_analyze_pointer_ref_access): Likewise.
16273         (vect_get_memtag_and_dr): Likewise.
16274
16275 2005-01-31  Richard Henderson  <rth@redhat.com>
16276
16277         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
16278         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
16279         absnegdf2_i387, absnegxf2_i387): Likewise.
16280
16281 2005-01-31  Richard Henderson  <rth@redhat.com>
16282
16283         PR 19696
16284         * optabs.c (expand_copysign_absneg): New.
16285         (expand_copysign_bit): Split out from ...
16286         (expand_copysign): ... here.  Use expand_copysign_absneg.
16287
16288 2005-01-30  Roger Sayle  <roger@eyesopen.com>
16289
16290         PR middle-end/19697
16291         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
16292         constant as the second operand and a register as the third.
16293
16294 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
16295
16296         PR target/19704
16297         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
16298         that dllimport'd functions do not use all call-clobbered registers
16299         to pass parameters.
16300
16301 2005-01-30  Richard Henderson  <rth@redhat.com>
16302
16303         PR 19696
16304         * optabs.c (expand_absneg_bit): Split out from expand_unop and
16305         expand_abs_nojump and generalize.  Use operand_subword and
16306         emit_no_conflict_block.  Support large modes.
16307         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
16308         back to maximum.
16309         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
16310         negation to subtraction.
16311         (expand_copysign): Check that the format has signed zeros.
16312         Use operand_subword and emit_no_conflict_block.  Support large modes.
16313
16314 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
16315
16316         Fix PR tree-optimization/19624
16317
16318         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
16319         * tree-ssa-pre.c: Add cfgloop.h.
16320         Update comment.
16321         (pre_stats): New member, constified.
16322         (inserted_exprs): New static variable.
16323         (NECESSARY): New macro.
16324         (create_expression_by_pieces): Fold the expression, and
16325         mark it as defaulting to not necessary. Also put in
16326         inserted_exprs.
16327         (fully_constant_expression): New function.
16328         (insert_into_preds_of_block): Modify to not insert phis when we
16329         are playing with induction variables.
16330         Push phis onto the inserted_exprs vector, and mark them as not
16331         necessary by default.
16332         (insert_aux): Call fully_constant_expression on eprime.
16333         If all edges produce the same value, mark it constant.
16334         (mark_operand_necessary): New function.
16335         (remove_dead_inserted_code): New function.
16336         (init_pre): Init loop optimizer to get loop info.
16337         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
16338         (execute_pre): Commit edge inserts, then remove dead code.
16339
16340 2005-01-30  Richard Henderson  <rth@redhat.com>
16341
16342         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
16343         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
16344
16345 2005-01-30  Richard Henderson  <rth@redhat.com>
16346
16347         PR target/19700
16348         * config/i386/i386.c (ix86_expand_copysign): New.
16349         (ix86_split_copysign_const): New.
16350         (ix86_split_copysign_var): Rename from ix86_split_copysign,
16351         rearrange op1/nmask operands.
16352         * config/i386/i386-protos.h: Update.
16353         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
16354         (copysigndf3): Likewise.
16355         (copysignsf3_const, copysigndf3_const): New.
16356         (copysignsf3_var): Rename from copysignsf3, split out splitter
16357         and fix split predicate for X constraint.
16358         (copysigndf3_var): Similarly.
16359
16360 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
16361
16362         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
16363         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
16364         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
16365
16366 2005-01-29  Richard Henderson  <rth@redhat.com>
16367
16368         PR target/19690
16369         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
16370         of # and * in constraints.
16371
16372 2005-01-29  Richard Henderson  <rth@redhat.com>
16373
16374         PR middle-end/19689
16375         * expr.c (store_field): Don't strip sub-mode cast when the input
16376         data is even smaller.
16377
16378 2005-01-29  Richard Henderson  <rth@redhat.com>
16379
16380         PR middle-end/19687
16381         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
16382         union being empty.
16383
16384 2005-01-29  Richard Henderson  <rth@redhat.com>
16385
16386         * combine.c (make_field_assignment): Fix argument order
16387         to gen_int_mode.
16388
16389 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
16390
16391         PR tree-optimization/15791
16392         * fold-const.c (extract_array_ref): New function.
16393         (fold): Fold comparisons between &a[i] and &a[j] or
16394         semantically equivalent trees.
16395
16396 2005-01-29  Jeff Law  <law@redhat.com>
16397
16398         * gcse.c (insert_expr_in_table): Revamp handling of available
16399         and anticipatable occurrence lists to avoid unnecessary list
16400         walking.
16401         (insert_set_in_table): Similarly.
16402
16403 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
16404
16405         * c-common.c (fix_string_type): Just use c_build_qualified_type to
16406         build string type.
16407         (c_build_qualified_type): Build qualified array types with
16408         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
16409         * c-decl.c (c_make_fname_decl): Build unqualified array type
16410         before qualified type.
16411         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
16412         type is qualified, not just if type itself is.  Don't apply
16413         qualifiers to array type when declarator is processed.  Apply
16414         qualifiers to field type whether or not it is an array type.
16415         Don't handle array types specially for applying qualifiers to
16416         variables.
16417         * c-typeck.c (composite_type): Build unqualified element type and
16418         array type when forming composite of array types.
16419         (common_pointer_type, comptypes, comp_target_types,
16420         type_lists_compatible_p, build_indirect_ref, build_array_ref,
16421         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
16422         types.
16423         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
16424         (args2) in variables a1 and a2.
16425
16426 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
16427
16428         * cse.c (n_elements_made, max_elements_made): Remove.
16429         (insert): Don't touch n_elements_made.
16430         (cse_main): Don't touch n_elements_made or max_elements_made.
16431
16432 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
16433
16434         PR target/15384
16435         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
16436         configuration part of dp-bit.c to be lost.
16437
16438 2005-01-28  Roger Sayle  <roger@eyesopen.com>
16439
16440         * expmed.c (expand_mult_highpart_optab): When attempting to use
16441         a non-widening multiplication in a wider mode, the operands need
16442         to be converted (zero or sign extended) to that mode.
16443
16444 2005-01-28  Ian Lance Taylor  <ian@airs.com>
16445
16446         PR middle-end/16558
16447         PR middle-end/19583
16448         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
16449         through if both operands fall through.
16450
16451 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
16452
16453         * cse.c (fold_rtx) <PC>: Don't optimize.
16454
16455 2005-01-28  Jeff Law  <law@redhat.com>
16456
16457         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
16458         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
16459
16460 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
16461
16462         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
16463         cse_reg_info_used_list_end): Remove.
16464         (cse_reg_info_list, cse_reg_info_list_free): New.
16465         (get_cse_reg_info): When allocating an instance of
16466         cse_reg_info, add it to the beginning of the cse_reg_info_list
16467         list.  Remove code to maintain cse_reg_info_used_list.
16468         (new_basic_block): Reset the free list to the beginning of
16469         cse_reg_info_list.
16470
16471 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
16472
16473         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
16474         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
16475         (frv_expand_mdpackh_builtin): New function.
16476         (frv_expand_builtin): Use it to expand __MDPACKH.
16477         * doc/extend.texi (__MDPACKH): Update documentation.
16478
16479 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
16480
16481         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
16482         SSE_FLOAT_MODE_P for use_sse computation.
16483
16484 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
16485
16486         PR target/19663
16487         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
16488
16489 2005-01-27  Richard Henderson  <rth@redhat.com>
16490
16491         * builtins.c (expand_builtin_copysign): New.
16492         (expand_builtin): Call it.
16493         * genopinit.c (optabs): Add copysign_optab.
16494         * optabs.c (init_optabs): Initialize it.
16495         (expand_copysign): New.
16496         * optabs.h (OTI_copysign, copysign_optab): New.
16497         (expand_copysign): Declare.
16498
16499         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
16500         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
16501
16502         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
16503         (ix86_expand_fp_absneg_operator): ... here.
16504         (ix86_split_copysign): New.
16505         * config/i386/i386-protos.h: Update.
16506         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
16507         (copysignsf3, copysigndf3): New.
16508
16509         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
16510         (copysignsf3, ncopysignsf3): New.
16511         (copysigndf3, ncopysigndf3): New.
16512         (copysignxf3, ncopysignxf3): New.
16513         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
16514
16515 2005-01-27  Arend Bayer  <arend.bayer@web.de>
16516             Kazu Hirata  <kazu@cs.umass.edu>
16517
16518         * cse.c: (find_best_addr): Don't call copy_rtx before calling
16519         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
16520         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
16521         NULL_RTX.
16522
16523 2005-01-27  Jeff Law  <law@redhat.com>
16524
16525         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
16526         definitions of SSA_NAMEs which are not being rewritten.
16527         (rewrite_ssa_into_ssa): Only initialize the current definition
16528         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
16529         If checking is enabled, assert that SSA_NAME_AUX is clear for all
16530         SSA_NAMEs before returning.
16531
16532 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
16533
16534         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
16535         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
16536         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
16537         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
16538         config/mips/iris6.h, config/sh/sh.c: Update copyright.
16539
16540 2005-01-27  Steven Bosscher  <stevenb@suse.de>
16541
16542         PR middle-end/17278
16543         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
16544         higher to -O2 and higher.  Likewise for tree PRE.
16545         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
16546         and better.
16547
16548 2005-01-27  Ian Lance Taylor  <ian@airs.com>
16549
16550         PR middle-end/19583
16551         * gimple-low.c (try_catch_may_fallthru): New static function.
16552         (block_may_fallthru): Handle TRY_CATCH_EXPR.
16553         * tree-inline.c (expand_call_inline): Don't warn about reaching
16554         the end of a non-void function being inlined if the function uses
16555         a return slot.
16556
16557 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
16558
16559         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
16560
16561         PR c/18946
16562         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
16563         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
16564         (implicitly_declare): Handle error_mark_node.
16565
16566 2005-01-27  Richard Henderson  <rth@redhat.com>
16567
16568         PR tree-opt/14329
16569         * tree.h (struct tree_decl): Add debug_expr_is_from.
16570         (DECL_DEBUG_EXPR_IS_FROM): New.
16571         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
16572         * dwarf2out.c (dwarf2out_var_location): Update to match.
16573         * tree-outof-ssa.c (create_temp): Likewise.
16574         * var-tracking.c (track_expr_p): Likewise.
16575         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
16576         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
16577         * toplev.c (default_tree_printer): Likewise.
16578
16579 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
16580
16581         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
16582         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
16583
16584 2005-01-27  Steven Bosscher  <stevenb@suse.de>
16585
16586         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
16587         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
16588         ASM_CLOBBERS): Add tree checks.
16589
16590         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
16591         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
16592         * c-common.def (SWITCH_STMT): Update to match.
16593         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
16594         macros instead of SWITCH_EXPR ones.
16595         * c-dump.c (c_dump_tree): Likewise.
16596         * c-gimplify.c (gimplify_switch_stmt): Likewise.
16597         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
16598
16599         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
16600
16601 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
16602
16603         * unwind-dw2.c (execute_stack_op): Add missing cases for
16604         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
16605
16606 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
16607
16608         * config.gcc (Obsolete configurations): Remove 'dummy', add
16609         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
16610         sparc-*-openbsd*.
16611
16612 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
16613
16614         PR tree-optimization/19633
16615         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
16616         CALL_EXPRs.
16617         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
16618         are no call-clobbered variables.
16619         * tree-outof-ssa.c (check_replaceable): Return false for calls
16620         with side-effects.
16621
16622 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
16623
16624         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
16625         even for variables with NULL DECL_INITIAL.
16626
16627 2005-01-26  Stuart Hastings  <stuart@apple.com>
16628
16629         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
16630
16631 2005-01-26  Richard Henderson  <rth@redhat.com>
16632
16633         PR middle-end/18008
16634         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
16635         field's type.
16636         * expr.c (store_field): Strip conversions to odd-bit-sized types
16637         if the destination field width matches.
16638
16639 2005-01-26  Richard Henderson  <rth@redhat.com>
16640
16641         * c-decl.c, expmed.c, expr.c: Revert last change.
16642
16643 2005-01-26  Richard Henderson  <rth@redhat.com>
16644
16645         PR middle-end/18008
16646         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
16647         field's type.
16648         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
16649         if we don't need the bits above those present in the current mode.
16650         * expr.c (store_field): Strip conversions to odd-bit-sized types
16651         if the destination field width matches.
16652
16653 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
16654
16655         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
16656         either -ffast-math or -funsafe-math-optimizations is in use.
16657
16658 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
16659
16660         PR target/19293
16661         PR target/19329
16662         * config/avr/avr.c (notice_update_cc): Only set condition code for
16663         ashrqi3 if shift count > 0.
16664         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
16665         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
16666         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
16667         count <= 0 as a no-op, and shift count >= width by copying zero
16668         or sign bit to all bits of the result.
16669         * config/avr/avr.md (all shifts): Add alternatives for zero shift
16670         count, with attribute "length" set to 0 and "cc" set to "none".
16671
16672 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
16673
16674         * doc/invoke.texi: Document -mTLS.
16675
16676         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
16677         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
16678         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
16679         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
16680         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
16681         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
16682         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
16683         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
16684
16685         * configure.ac: Check for a TLS capable gas.
16686
16687         * configure: Regenerate.
16688
16689 2005-01-26  Richard Henderson  <rth@redhat.com>
16690
16691         PR middle-end/18008
16692         * combine.c (make_field_assignment): Simplify store to zero_extract
16693         from a source with an overlapping mask.
16694
16695 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
16696
16697         2004-11-11  Eric Christopher  <echristo@redhat.com>
16698
16699         * config/frv/frv.md: Add fr400_integer automaton. Don't
16700         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
16701         to TYPE_MACC.
16702
16703 2005-01-26  Steven Bosscher  <stevenb@suse.de>
16704
16705         PR middle-end/16585
16706         * cfgbuild.c (make_edges): Do not clear or set
16707         current_function_has_computed_jump.
16708         * function.h (struct function): Remove the has_computed_jump field.
16709         (current_function_has_computed_jump): Do not define.
16710         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
16711         in a computed jump.  Ignore current_function_has_computed_jump.
16712
16713 2005-01-26  Richard Henderson  <rth@redhat.com>
16714
16715         PR middle-end/19515
16716         * expr.c (categorize_ctor_elements): New argument p_must_clear.
16717         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
16718         fully initialized.
16719         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
16720         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
16721         objects into static storage if they have more than one non-zero value.
16722         * tree.h (categorize_ctor_elements): Update decl.
16723
16724 2005-01-26  Steven Bosscher  <stevenb@suse.de>
16725
16726         PR middle-end/19616
16727         * tree.h (CALL_EXPR_TAILCALL): Add comment.
16728         * calls.c (check_sibcall_argument_overlap_1): Revert the change
16729         to this function from 2004-07-10.
16730         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
16731         the current function for tail call optimizations if the address
16732         of one of it its arguments is taken.
16733
16734 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
16735
16736         * cse.c (fold_rtx): Call equiv_constant only when necessary.
16737
16738 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
16739
16740         * function.c (expand_function_end): If current_function_calls_alloca,
16741         emit stack restore in a place that is reached when the function falls
16742         through at the end.
16743
16744 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
16745
16746         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
16747         rule to avoid matching inappropriate suffix rule.
16748
16749 2005-01-26  Jan Hubicka  <jh@suse.cz>
16750
16751         PR tree-optimization/19241
16752         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
16753
16754 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
16755
16756         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
16757         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
16758         of doubling.
16759         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
16760         <sim*>: Always use crt1.o, regardless of N in simN.
16761         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
16762         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
16763         (CRT_CALL_STATIC_FUNCTION): Remove.
16764         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
16765         use crt1.o, regardless of N in simN.
16766         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
16767         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
16768         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
16769         case isystem setting.
16770         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
16771
16772 2005-01-25  Ian Lance Taylor  <ian@airs.com>
16773
16774         * gimple-low.c (block_may_fallthru): Correct handling of
16775         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
16776
16777 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
16778
16779         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
16780         handlers to match indentation; nested under the mtune=* handler.
16781         Similar for mcpu= and march=.
16782
16783 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
16784
16785         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
16786         * config/mips/linux64.h (LIB_SPEC): Likewise.
16787         * config/mn10300/linux.h (LIB_SPEC): Likewise.
16788         * config/sh/linux.h (LIB_SPEC): Likewise.
16789
16790 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
16791
16792         * config/frv/frv.c (frv_legitimize_tls_address): New.
16793         (TARGET_HAVE_TLS): Define.
16794         (FRV_SYMBOL_REF_TLS_P): Define.
16795         (frv_override_options): Handle new register classes.
16796         (frv_legitimate_address_p): Reject tls addresses.
16797         (frv_legitimize_address): Handle TLS addresses.
16798         (gen_inlined_tls_plt): New.
16799         (gen_tlsmoff): New.
16800         (frv_legitimize_tls_address): New.
16801         (unspec_got_name): Add TLS entries.
16802         (got12_operand): Add R_FRV_TLSMOFF12 case.
16803         (frv_emit_move): Fixup TLS addresses.
16804         (frv_emit_movsi): Legitimize TLS addresses.
16805
16806         * config/frv/frv.h (MASK_BIG_TLS): New.
16807         (TARGET_BIG_TLS): New.
16808         (HAVE_AS_TLS): Define.
16809         (TARGET_SWITCHES): Add -mTLS and -mtls options.
16810         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
16811         (REG_CLASS_NAMES): Same.
16812         (REG_CLASS_CONTENTS): Same.
16813         (CONSTRAINT_LEN): New.
16814         (REG_CLASS_FROM_CONSTRAINT): New.
16815         (PREDICATE_CODES): Add symbolic_operand.
16816
16817         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
16818         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
16819         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
16820         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
16821         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
16822         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
16823         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
16824         GR9_REG, GR14_REG, LRREG.
16825         (type): Add load_or_call attribute.
16826         ("load_or_call"): New reservation.
16827         ("call_gettlsoff"): New.
16828         ("tls_indirect_call"): New.
16829         ("tls_load_gottlsoff12"): New.
16830         ("tlsoff_hilo"): New.
16831         ("tls_tlsdesc_ldd"): New.
16832         ("tls_tlsoff_ld"): New.
16833         ("tls_lddi"): New.
16834
16835         * config/frv/frv-protos.h (symbolic_operand): Protoize.
16836
16837         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
16838
16839         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
16840         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
16841         * config/frv/frv.c (TLS_BIAS): Define.
16842         (frv_output_dwarf_dtprel): New.
16843
16844 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
16845
16846         PR rtl-optimization/19579
16847         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
16848         both A and B, see if they don't clobber registers the other expr uses.
16849
16850 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
16851
16852         * real.c (do_add): Initialize signalling and canonical members.
16853
16854         * real.c (real_from_integer): Zero out destination.
16855
16856 2005-01-18  Jan Hubicka  <jh@suse.cz>
16857
16858         PR tree-optimize/19337
16859         * tree-inline.c (initialize_inlined_parameters): Copy
16860         saved_static_chain_decl only.
16861
16862 2005-01-25  Richard Henderson  <rth@redhat.com>
16863
16864         PR target/19556
16865         PR target/19584
16866         * config/i386/i386.c (x86_inter_unit_moves): Zero.
16867         (ix86_preferred_reload_class): Rewrite fp-constant section, with
16868         80387 enabled, to return a proper subclass.  Return the subset that
16869         overlaps with GENERAL_REGS for PLUS.
16870         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
16871
16872 2005-01-25  Richard Henderson  <rth@redhat.com>
16873
16874         PR middle-end/19609
16875         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
16876
16877 2005-01-25  Roger Sayle  <roger@eyesopen.com>
16878
16879         * expmed.c (choose_multiplier): Change interface to return the
16880         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
16881         (expand_divmod): Update calls to choose_multiplier.
16882
16883 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16884
16885         PR middle-end/19330
16886         * expmed.c (extract_bit_field): Use adjust_address instead of
16887         gen_lowpart when op0 is a MEM.
16888
16889 2005-01-24  Steven Bosscher  <stevenb@suse.de>
16890
16891         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
16892
16893 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
16894
16895         * config/mips/irix-csr.c: New file.
16896         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
16897         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
16898         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
16899         executables.
16900
16901 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
16902
16903         PR bootstrap/19364
16904         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
16905         sparc/elf.h, add sparc/sp-elf.h.
16906         (sparc-*-rtems*): Likewise.
16907         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
16908         tm-dwarf2.h, add sparc/sp-elf.h.
16909         (sparc86x-*-elf): Likewise.
16910         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
16911         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
16912         TARGET_OS_CPP_BUILTINS.
16913         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16914         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16915         Undefine it.
16916         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
16917         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
16918         (SWITCH_TAKES_ARG): Likewise.
16919         (LOCAL_LABEL_PREFIX): Likewise.
16920         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
16921         (TARGET_N_FORMAT_TYPES): Delete.
16922         (TARGET_FORMAT_TYPES): Likewise.
16923         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16924         * config/sparc/elf.h: Delete.
16925         * config/sparc/sp-elf.h: New file.
16926
16927 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
16928
16929         * tree-flow-inline.h (phi_arg_from_edge): Remove.
16930         * tree-flow.h: Remove the corresponding prototype.
16931         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
16932         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
16933
16934 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16935
16936         PR target/17751
16937         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
16938         for AIX ABI or ELF -fPIC.
16939         (rs6000_emit_load_toc_table): Don't create toc_section here.
16940         (rs6000_xcoff_file_start): Nor here.
16941
16942 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
16943
16944         * sh.c (ra.h): Don't #include.
16945         (hard_regs_intersect_p): New function, resurrected from ra.c.
16946
16947         * sh.c: Fix 1996 Copyright.
16948
16949 2005-01-24  Richard Henderson  <rth@redhat.com>
16950             Aldy Hernandez  <aldyh@redhat.com>
16951
16952         * regrename.c (note_sets): Handle subregs.
16953
16954 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
16955
16956         PR bootstrap/18058
16957         * genconditions.c (write_header, write_conditions): Elide file if
16958         not GCC >= 3.0.1.
16959
16960 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
16961
16962         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
16963         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
16964         Update copyright.
16965
16966 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16967
16968         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
16969         expand_builtin_printf, expand_builtin_fprintf,
16970         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
16971         checking against POINTER_TYPE.
16972         (validate_arglist): Handle POINTER_TYPE code by checking
16973         POINTER_TYPE_P.
16974
16975 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
16976
16977         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
16978         init_rtlanal): New.
16979         (for_each_rtx): Call for_each_rtx_1.
16980         * rtl.h (init_rtlanal): Declare.
16981         * toplev.c (backend_init): Call init_rtlanal.
16982
16983 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16984
16985         * flow.c (propagate_one_insn): Formatting.
16986
16987         PR middle-end/19551
16988         * flow.c (libcall_dead_p): Be more conservative if unsure.
16989         If there are any instructions between insn and call, see if they are
16990         all dead before saying the libcall is dead.
16991
16992 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
16993
16994         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
16995         operand constraint for operand 0.
16996
16997 2005-01-23  Richard Henderson  <rth@redhat.com>
16998
16999         PR 19486
17000         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
17001         edges leading to join block.
17002
17003 2005-01-23  Roger Sayle  <roger@eyesopen.com>
17004
17005         * expmed.c (expand_mult_highpart): Make static.  Change type of
17006         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
17007         (expand_divmod): Updates calls to expand_mult_highpart by using
17008         gen_int_mode to pass a CONST_INT rtx.
17009         * rtl.h (expand_mult_highpart): Remove prototype.
17010
17011 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
17012
17013         * flow.c (regset_bytes, regset_size): Remove.
17014
17015         * cfganal.c: Fix a reference to Harvey's paper.
17016
17017 2005-01-23  Steven Bosscher  <stevenb@suse.de>
17018
17019         PR rtl-optimization/19464
17020         * tree-optimize.c (init_tree_optimization_passes): Add one more
17021         copyrename pass just before out-of-ssa.
17022
17023 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
17024
17025         PR bootstrap/18058
17026         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
17027         * ggc-none.c (ggc_free): Define.
17028
17029 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
17030
17031         * cse.c (max_reg, max_insn_uid): Remove.
17032         (cse_main): Don't access max_reg or max_insn_uid.
17033
17034         * c-common.c (explicit_flag_signed_bitfields,
17035         lang_statement_code_p, lang_expand_function_end): Remove.
17036         * c-common.h: Remove the corresponding declarations.
17037         * c-opts.c (c_common_handle_option): Remove all write access
17038         to explicit_flag_signed_bitfields.
17039
17040         * cgraph.c (cgraph_varpool_n_nodes): Remove.
17041         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
17042         * cgraph.h: Remove the corresponding declaration.
17043
17044         * gcse.c (null_pointer_info): Remove.
17045
17046 2005-01-23  Roger Sayle  <roger@eyesopen.com>
17047             Eric Botcazou  <ebotcazou@libertysurf.fr>
17048
17049         * combine.c (simplify_logical): Only simplify logical expressions
17050         of the form ior(and(x,y),z) by the inverse distributive law if the
17051         result is cheaper than the original.
17052
17053 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
17054
17055         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
17056         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
17057         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
17058         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
17059         config/freebsd-spec.h, config/arm/arm.h,
17060         config/h8300/h8300.md, config/i386/i386.md,
17061         config/i386/predicates.md, config/i386/sse.md,
17062         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
17063         config/vax/vax.md: Fix comment typos.  Follow spelling
17064         conventions.
17065
17066 2005-01-23  Steven Bosscher  <stevenb@suse.de>
17067
17068         * gengtype.c (walk_type): Produce `not equal to' compares for loop
17069         tests, instead of `less than'.
17070
17071 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
17072
17073         * function.c (assign_parm_setup_block): When creating a new stack slot
17074         for a parameter, get its alignment from the parameter's DECL_ALIGN
17075         rather than the type's TYPE_ALIGN.  Make sure that the parameter
17076         is at least word aligned.
17077
17078 2005-01-22  Roger Sayle  <roger@eyesopen.com>
17079
17080         PR middle-end/19378
17081         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
17082
17083 2005-01-22  Richard Henderson  <rth@redhat.com>
17084
17085         PR target/19506
17086         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
17087         in both compare operands.
17088         (movdfcc_1_sse_max): Likewise.
17089         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
17090         (movdfcc_1_sse): Likewise.
17091         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
17092         scratch register as needed.
17093
17094 2005-01-22  Richard Henderson  <rth@redhat.com>
17095
17096         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
17097
17098         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
17099
17100 2005-01-22  Richard Henderson  <rth@redhat.com>
17101
17102         * genopinit.c (optabs): Use smin/smax for floating point too.
17103         * doc/md.texi: Update to match.  Clarify that floating point
17104         results are undefined for +0/-0 and NaN.
17105         * doc/rtl.texi: Likewise.
17106         * rtl.def (SMIN, SMAX): Likewise
17107         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
17108
17109         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
17110         leading 's' to the name.
17111         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
17112         smaxxf3, sminxf3): Likewise.
17113         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
17114         Likewise.
17115
17116 2005-01-22  Paul Brook  <paul@codesourcery.com>
17117
17118         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
17119
17120 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
17121
17122         * config/s390/s390.c (struct processor_costs): New fields
17123         dlgr, dlr, dr, dsgfr, dsgr.
17124         (z900_cost, z990_cost): Values for new fields.
17125         (s390_rtx_costs): New cases MEM und COMPARE in switch
17126         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
17127         DIV, MOD, UDIV, UMOD.
17128
17129 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
17130
17131         * config/s390/s390.md ("doloop_si64"): Reload input value directly
17132         into the register being decremented.
17133         ("doloop_si31", "doloop_di"): Likewise.
17134         ("*doloop_si_long"): Adapt pattern.
17135
17136 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
17137
17138         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
17139         access registers.
17140         (CLASS_MAX_NREGS): Likewise.
17141
17142 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
17143
17144         * doc/tree-ssa.texi (Statement Operands): Add example for new
17145         must-def macro. Note deprecation of old operands interface.
17146
17147 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
17148
17149         PR tree-optimization/19484
17150         * tree-cfg.c (remove_fallthru_edge): New function.
17151         (cleanup_control_flow): Remove fallthru edges from calls that are
17152         now known not to return.
17153
17154 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
17155
17156         Fix PR tree-optimization/19038
17157         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
17158         copies with loop variant ones.
17159
17160 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
17161
17162         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
17163         config/alpha/alpha-protos.h, config/alpha/alpha.h,
17164         config/alpha/alpha.md, config/alpha/predicates.md,
17165         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
17166         config/sparc/sol2.h: Update copyright.
17167
17168         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
17169         first label to see if it is a nonlocal label.
17170
17171 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
17172             Andrew Pinski  <pinskia@physics.uc.edu>
17173
17174         PR target/19491
17175         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
17176         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
17177
17178 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
17179
17180         * config/rs6000/rtems.h: Update copyright.
17181
17182 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
17183
17184         PR target/19548
17185         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
17186         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
17187         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
17188
17189 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
17190
17191         PR c/18809
17192         * c-typeck.c (convert_arguments): Check for error_mark_node.
17193
17194 2005-01-21  Ian Lance Taylor  <ian@airs.com>
17195
17196         PR tree-optimization/13000
17197         * tree-inline.c: Include "tree-flow.h".
17198         (expand_call_inline): If warn_return_type, warn if non-void inline
17199         function falls through.
17200         * tree-cfg.c (execute_warn_function_return): Don't warn about
17201         control reaching end if TREE_NO_WARNING is set.  Set
17202         TREE_NO_WARNING.
17203         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
17204         has been lowered.
17205         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
17206         branch if we don't need one.
17207         * c-typeck.c: Include "tree-flow.h"
17208         (c_finish_bc_stmt): Don't add a goto if the current statement
17209         list doesn't fall through to the current point.
17210
17211 2005-01-21  Roger Sayle  <roger@eyesopen.com>
17212
17213         PR rtl-optimization/576
17214         * real.c (real_arithmetic): Change return type from void to bool
17215         to return an indication that the result may be inexact.
17216         * real.h (real_arithmeric): Update prototype.
17217         * fold-const.c (const_binop):  Don't constant fold floating
17218         point expressions when the user specifies -frounding-math and
17219         the result may depend upon the run-time rounding mode.
17220         (fold_convert_const_real_from_real): Clean-up.
17221         (fold_initializer): Ignore flag_rounding_math for initializers.
17222         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
17223         constant fold FP operations with flag_rounding_math if the
17224         result may depend upon the run-time rounding mode.
17225
17226 2005-01-21  Tom Tromey  <tromey@redhat.com>
17227
17228         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
17229
17230 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
17231
17232         * tree-cfg.c: Fix comment typos.
17233
17234 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
17235
17236         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
17237         around the call to rest_of_handle_branch_target_load_optimize.
17238
17239 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
17240
17241         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
17242         (sparc64-*-openbsd*): Likewise.
17243         (sparclite-*-elf*): Include tm-dwarf2.h.
17244         (sparc86x-*-elf*): Likewise.
17245         (sparc64-*-elf*): Likewise.
17246         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
17247         (DBX_DEBUGGING_INFO): Likewise.
17248         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
17249         (PREFERRED_DEBUGGING_TYPE): Likewise.
17250         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
17251         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
17252         (PREFERRED_DEBUGGING_TYPE): Likewise.
17253         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
17254         (PREFERRED_DEBUGGING_TYPE): Likewise.
17255         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
17256
17257 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
17258
17259         PR target/18701
17260         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
17261
17262 2005-01-20  Paul Brook  <paul@codesourcery.com>
17263
17264         * doc/rtl.texi: Document value extension requirements for CONST_INT.
17265
17266 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
17267
17268         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
17269         label is first in a sequence of labels.
17270
17271         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
17272
17273 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
17274             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
17275
17276         * doc/sourcebuild.texi (Test Directives): New.
17277
17278 2005-01-20  Roger Sayle  <roger@eyesopen.com>
17279
17280         * real.c (real_floor): Don't leave the result uninitialized when
17281         mode is VOIDMode, but return the unrounded intermediate value.
17282         (real_ceil): Likewise.
17283
17284 2005-01-20  Paul Brook  <paul@codesourcery.com>
17285
17286         * config/arm/arm.md (insv): Use gen_int_mode.
17287
17288 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
17289
17290         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
17291         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
17292         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
17293         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
17294         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
17295
17296 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
17297
17298         Fix PR debug/19124
17299         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
17300         fbreg, so we have to assume we can't.
17301         (loc_descriptor_from_tree_1): Ditto.
17302         (containing_function_has_frame_base): New function.
17303         (add_location_or_const_value_attribute): Use it.
17304         Also try to generate a frame_base from a single element location
17305         list.
17306
17307 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
17308
17309         PR tree-optimization/15349
17310         * timevar.def (TV_TREE_MERGE_PHI): New.
17311         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
17312         PHI_WANTED.
17313         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
17314         calls to tree_forwarder_block_p.
17315         (remove_forwarder_block_with_phi, merge_phi_nodes,
17316         gate_merge_phi, pass_merge_phi): New.
17317         * tree-optimize.c (init_tree_optimization_passes): Add
17318         pass_merge_phi.
17319         * tree-pass.h: Add an extern for pass_merge_phi;
17320
17321 2005-01-20  Richard Henderson  <rth@redhat.com>
17322
17323         PR target/19418
17324         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
17325         (_mm_castps_pd, _mm_castps_si128): New.
17326         (_mm_castsi128_ps, _mm_castsi128_pd): New.
17327
17328 2005-01-20  Richard Henderson  <rth@redhat.com>
17329
17330         PR target/19530
17331         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
17332         __builtin_ia32_vec_init_v2si.
17333         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
17334         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
17335         (ix86_init_mmx_sse_builtins): Create it.
17336         (ix86_expand_builtin): Expand it.
17337         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
17338         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
17339         (vec_extractv2si_0, vec_extractv2si_1): New.
17340
17341 2005-01-20  Richard Henderson  <rth@redhat.com>
17342
17343         PR target/16533
17344         * config/i386/i386.c (ix86_expand_push): New.
17345         * config/i386/mmx.md (push<MMXMODE>1): New.
17346         * config/i386/sse.md (push<SSEMODE>1): New.
17347         * config/i386/i386-protos.h: Update.
17348
17349 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
17350
17351         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
17352         copyright.
17353
17354 2005-01-20  Richard Henderson  <rth@redhat.com>
17355
17356         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
17357         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
17358
17359 2005-01-19  Richard Henderson  <rth@redhat.com>
17360
17361         PR target/19350
17362         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
17363         to V4SFmode in SSE1 fallback load path.
17364
17365 2005-01-19  Richard Henderson  <rth@redhat.com>
17366
17367         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
17368         in QImode expansion to ix86_expand_vector_set.
17369         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
17370
17371 2005-01-19  Richard Henderson  <rth@redhat.com>
17372
17373         PR target/19511
17374         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
17375         subclass of the input class.
17376         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
17377         Always true for cross-SSE1 classes.  Rationalize conditionals.
17378         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
17379         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
17380         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
17381         (movdi_2): Add MMX/SSE zeros.
17382         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
17383         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
17384         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
17385         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
17386         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
17387         (zero_extendsidi2_rex64_1): Remove.
17388         (MOV0 peephole): Check GENERAL_REG_P.
17389
17390 2005-01-19  Richard Henderson  <rth@redhat.com>
17391
17392         PR target/19427
17393         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
17394         shufps elements.
17395         (ix86_expand_vector_extract): Likewise.
17396
17397 2005-01-19  Richard Henderson  <rth@redhat.com>
17398
17399         PR middle-end/19304
17400         * expr.c (emit_move_change_mode): New argument force; use
17401         simplify_gen_subreg if true.
17402         (emit_move_via_alt_mode): Merge into ...
17403         (emit_move_via_integer): ... here.
17404         (emit_move_ccmode): Use emit_move_change_mode directly.
17405
17406 2005-01-19  Richard Henderson  <rth@redhat.com>
17407
17408         PR target/19518
17409         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
17410         (alpha_preferred_reload_class): Handle CONST_VECTOR.
17411         (alpha_emit_set_const_1): Add no_output parameter; don't emit
17412         rtl if true.
17413         (alpha_emit_set_const): Likewise.  Make static.
17414         (alpha_emit_set_long_const): Make static.
17415         (alpha_extract_integer): Split out from alpha_expand_mov.
17416         (alpha_split_const_mov): Likewise.
17417         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
17418         (alpha_legitimate_constant_p): New.
17419         * config/alpha/alpha-protos.h: Update.
17420         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
17421         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
17422         * config/alpha/alpha.md (movsi): Add n alternative.
17423         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
17424         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
17425         (splitters for all of the above): Use alpha_split_const_mov.
17426         * config/alpha/predicates.md (non_add_const_operand): New.
17427         (non_zero_const_operand): New.
17428         (input_operand): Use alpha_legitimate_constant_p after reload.
17429
17430 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
17431
17432         PR tree-optimization/19038
17433         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
17434         (add_candidate): Add ivs with increment in latch only if
17435         allow_ip_end_pos_p is true.
17436         (determine_iv_cost): Use empty_block_p.
17437
17438 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
17439
17440         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
17441         (compute_dominance_frontiers): Ditto.
17442
17443 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
17444
17445         PR target/19529
17446         * config/sh/t-rtems: New.
17447         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
17448
17449 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
17450
17451         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
17452         the offset of the selected field.
17453
17454 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
17455
17456         * tree-cfg.c (remove_forwarder_block): Fix the check to
17457         prevent a nonlocal label from appearing in the middle of a
17458         basic block.
17459
17460 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
17461
17462         PR rtl-optimization/19462
17463         * reorg.c (find_end_label): Create return insn only if
17464         current_function_epilogue_delay_list is empty.
17465
17466 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
17467
17468         * doc/passes.texi: Remove paragraph mentioning new-ra.
17469
17470 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
17471
17472         PR rtl-optimization/15139
17473         * combine.c: Include params.h.
17474         (count_rtxs): New function.
17475         (record_value_for_reg): If replace_rtx would replace at least
17476         2 occurrences of REG in VALUE and TEM is really large, replace REG with
17477         (clobber (const_int 0)) instead of TEM.
17478         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
17479         * params.h (MAX_LAST_VALUE_RTL): New.
17480         * Makefile.in (combine.o): Depend on $(PARAMS_H).
17481         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
17482
17483         PR c/17297
17484         * c-typeck.c (digest_init): Only call build_vector if all constructor
17485         elements are *_CST nodes.
17486         * gimplify.c (gimplify_init_constructor): Likewise.
17487
17488         PR middle-end/19164
17489         * c-typeck.c (digest_init): Only call build_vector if inside_init
17490         is a CONSTRUCTOR.
17491
17492 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
17493
17494         * toplev.c (init_asm_output): Remove dead #ifdef.
17495
17496 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
17497
17498         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
17499
17500 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17501
17502         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
17503         accessing DECL_FUNCTION_CODE.
17504         * dojump.c (do_jump): Likewise.
17505         * gimplify.c (gimplify_call_expr): Likewise.
17506         * predict.c (expr_expected_value): Likewise.
17507         (strip_builtin_expect): Likewise.
17508         * tree-inline.c (estimate_num_insns_1): Likewise.
17509         * tree-ssa-loop-im.c (stmt_cost): Likewise
17510         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
17511         (tree_expr_nonnegative_p): Likewise.
17512
17513 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17514
17515         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
17516         variant of the load_pcrel_sym pattern.
17517         * config/sparc/sparc.md (P macro): Move to the top.
17518         (load_pcrel_sym): Macroize using P.
17519         (save_register_window): Likewise.
17520
17521 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
17522
17523         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
17524         ("sordered"): Same.
17525
17526 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
17527
17528         PR C/19472
17529         * c-typeck.c (build_asm_expr): Strip nops off
17530         input memory operands.
17531
17532 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
17533
17534         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
17535         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
17536         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
17537         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
17538
17539 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
17540
17541         PR target/19379
17542         * config/i386/i386.c (override_options): If the 80387 is disabled,
17543         then do not return FP values using FP registers.
17544
17545 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
17546
17547         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
17548         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
17549         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
17550         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
17551         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
17552         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
17553         output.h, postreload-gcse.c, postreload.c, recog.c,
17554         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
17555         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
17556         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
17557         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
17558         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
17559         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
17560         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
17561         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
17562
17563         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
17564         config/alpha/alpha.c, config/arm/vfp.md,
17565         config/i386/emmintrin.h, config/i386/i386-modes.def,
17566         config/i386/i386-protos.h, config/i386/i386.h,
17567         config/i386/pmmintrin.h, config/i386/ppro.md,
17568         config/i386/predicates.md, config/i386/xmmintrin.h,
17569         config/i860/i860.c, config/ia64/ia64-modes.def,
17570         config/ia64/ia64-protos.h, config/ia64/ia64.h,
17571         config/ia64/ia64.md, config/ia64/itanium1.md,
17572         config/ia64/itanium2.md, config/ia64/predicates.md,
17573         config/iq2000/iq2000.h, config/mips/linux64.h,
17574         config/rs6000/aix41.h, config/rs6000/aix43.h,
17575         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
17576         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
17577         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
17578         config/sparc/linux64.h, config/sparc/litecoff.h,
17579         config/sparc/sp64-elf.h, config/sparc/sparc.c,
17580         config/sparc/sparc.h, config/sparc/sparc.md,
17581         config/sparc/sysv4-only.h: Update copyright.
17582
17583 2005-01-18  Richard Henderson  <rth@redhat.com>
17584
17585         PR target/19496
17586         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
17587
17588 2005-01-18  Marc Espie  <espie@openbsd.org>
17589         * config/i386/openbsdelf.h: Typo.
17590
17591 2005-01-18  Richard Henderson  <rth@redhat.com>
17592
17593         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
17594         special case for sse.
17595         * config/i386/predicates.md (sse_comparison_operator): Likewise.
17596
17597 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
17598
17599         * tree-inline.c (estimate_num_insns_1): Added cases for
17600         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
17601
17602 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17603
17604         PR rtl-optimization/19296
17605         * combine.c (simplify_comparison): Rewrite the condition under
17606         which a non-paradoxical SUBREG of a PLUS can be lifted when
17607         compared against a constant.
17608
17609 2005-01-18  Andi Kleen <ak@muc.de>
17610
17611         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
17612         * c.opt (-Wpointer-sign): Add.
17613         * doc/invoke.texi: (-Wpointer-sign): Add.
17614
17615 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
17616
17617         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
17618         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
17619         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
17620         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
17621         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
17622         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
17623         for TARGET_MIX_SSE_I387.
17624         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
17625         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
17626         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
17627         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
17628         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
17629         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
17630         TARGET_MIX_SSE_I387.
17631         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
17632         from expander.
17633
17634 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
17635
17636         PR target/19424
17637         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
17638         Add movaps alternative for xmm reg->reg move.
17639
17640 2005-01-17  Jeff Law  <law@redhat.com>
17641
17642         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
17643         at the end of the main DOM loop rather than just before DOM exits.
17644
17645 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
17646
17647         PR tree-optimization/19121
17648         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
17649         adding aliases to a name tag, also add them to the pointer's
17650         type tag.
17651         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
17652         sensitive alias info at all.  Only check that the two pointers
17653         have compatible pointed-to sets.
17654         * tree-ssa.c (verify_name_tags): Verify that the alias set of
17655         a pointer's type tag is a superset of the alias set of the
17656         pointer's name tag.
17657
17658 2005-01-17  James E Wilson  <wilson@specifixinc.com>
17659
17660         PR target/19357
17661         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
17662         comment to document why.
17663
17664 2005-01-17  Richard Henderson  <rth@redhat.com>
17665
17666         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
17667         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
17668         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
17669         sse2_vmsminv2df3_finite): New.
17670         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
17671         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
17672         Force op1 into register.
17673
17674 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
17675
17676         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
17677         bubblestrap from always rebuilding build directory.
17678
17679 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
17680
17681         * config/s390/s390.md ("*clc"): Remove incorrect '='.
17682         ("*cmpmem_short"): Likewise.
17683
17684 2005-01-17  Steven Bosscher  <stevenb@suse.de>
17685
17686         * basic-block.h: Document BB_* flags.
17687         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
17688         use an sbitmap instead.
17689         * sched-rgn.c (compute_trg_info): Likewise.
17690
17691 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
17692
17693         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
17694         redundant target_cpu_default and extra_parts lines.  Use the default
17695         "from-abi" ISA.
17696         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
17697         (SUBTARGET_EXTRA_SPECS): Delete.
17698         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
17699         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
17700         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
17701         and "n32" for -mabi=n32.
17702
17703 2005-01-17  Ian Lance Taylor  <ian@airs.com>
17704
17705         PR c/5675
17706         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
17707         fold constant variables into initial values.
17708
17709 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
17710
17711         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
17712
17713         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
17714         through the statements backward.
17715
17716 2005-01-17  Ian Lance Taylor  <ian@airs.com>
17717
17718         PR middle-end/13127:
17719         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
17720         a variable set to the return value of the inlined function.
17721
17722 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
17723
17724         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
17725         when modes are tieable.
17726
17727 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
17728
17729         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
17730         of pthread_create to find out if threads are enabled.
17731         * gthr-posix95.h (__gthread_active_p): Likewise.
17732
17733 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
17734
17735         * common.opt (-fnew-ra): Remove.
17736         * ra*.*: Remove.
17737         * toplev.h (flag_new_regalloc): Remove.
17738         * Makefile.in (ra*.*): Don't mention.
17739         * passes.c (rest_of_handle_new_regalloc): Remove.
17740         (rest_of_handle_combine, rest_of_compilation): Always consider
17741         flag_new_regalloc as false.
17742         * doc/invoke.texi: Don't document -fnew-ra.
17743
17744 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
17745
17746         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
17747         last parameter to reg_scan.
17748         * loop.c (loop_optimize): Likewise.
17749         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
17750         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
17751         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
17752         rest_of_handle_gcse, rest_of_handle_loop_optimize,
17753         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
17754         * regclass.c (reg_scan): Likewise, for the declaration.
17755         * rtl.h (reg_scan): Likewise, for the prototype.
17756
17757 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
17758
17759         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
17760         mark_dfs_back_edges.
17761
17762 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
17763
17764         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
17765         (compute_avail): Uses don't go in tmp_gen.
17766
17767 2005-01-16  Steven Bosscher  <stevenb@suse.de>
17768
17769         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
17770         loop to look for a free slot in a page entry.
17771
17772 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17773
17774         PR target/16304
17775         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
17776         * toplev.c (compile_file): Call process_pending_assemble_output_defs
17777         just before targetm.asm_out.file_end.
17778         * tree.h (process_pending_assemble_output_defs): Declare.
17779         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
17780         New functions.
17781         (assemble_alias): Defer generation of assembly code for defines when
17782         TARGET_DEFERRED_OUTPUT_DEFS is true.
17783         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
17784         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
17785         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
17786
17787 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17788
17789         PR target/19336
17790         * pa.c (pa_scalar_mode_supported_p): New function.
17791         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17792         * pa.h (MIN_UNITS_PER_WORD): Add comment.
17793
17794         * pa-protos.h (prefetch_operand): Delete.
17795         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
17796         * pa.c (prefetch_operand): Delete.
17797         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
17798         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
17799         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
17800         and prefetch_nocc_operand.
17801         * pa.md (prefetch): Rework to avoid reload problems handling short
17802         displacements when a cache control completer needs to be provided.
17803         (prefetch_32, prefetch_64): Delete.
17804         (prefetch_cc, prefetch_nocc): New patterns.
17805
17806 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
17807
17808         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
17809
17810 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17811
17812         PR ada/19388
17813         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
17814         exceeds maximum alignment for global common data.
17815         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
17816         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
17817
17818 2004-01-15  Roger Sayle  <roger@eyesopen.com>
17819
17820         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
17821
17822 2004-01-15  Roger Sayle  <roger@eyesopen.com>
17823
17824         * harg-reg-set.h (reg_class_names): Prototype global array.
17825         * regclass.c (reg_class_names): Declare here and initialize to
17826         REG_CLASS_NAMES.
17827         (dump_regclass): Remove local declaration of reg_class_names.
17828         (regclass): Likewise.
17829         * cfg.c (dump_flow_info): Likewise.
17830         * ra-debug.c (reg_class_names): Likewise.
17831         * regrename.c (reg_class_names): Likewise.
17832         * reload.c (reg_class_names): Likewise.
17833         * reload1.c (spill_failure): Likewise.
17834         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
17835
17836 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
17837
17838         * config/s390/s390.md ("reload_outti"): Remove predicate for
17839         output operand.  Abort if operand is not a MEM.
17840         ("reload_outdi", "reload_outdf"): Likewise.
17841
17842 2005-01-15  Marc Espie  <espie@openbsd.org>
17843
17844         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
17845         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
17846         * config/openbsd.h:  Fix C++ includes for native configurations.
17847         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
17848         Add trampoline support.
17849         * config/i386/openbsdelf.h: New.
17850
17851 2005-01-15  Marc Espie  <espie@openbsd.org>
17852
17853         * collect2.c (main): Explicitly parse -dynamic-linker option.
17854
17855 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
17856
17857         PR tree-optimization/19060
17858         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
17859         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
17860         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
17861         and handle extract_range_from_cond returning false.
17862         * fold-const.c (fold): Optimize comparisons with min/max even for
17863         width > HOST_BITS_PER_WIDE_INT.
17864
17865 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
17866
17867         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
17868         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
17869         Remove little endian multilib variants.
17870         Add mips32 multilib variant.
17871
17872 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
17873
17874         * explow.c (copy_all_reg, stabilize): Remove.
17875         * expr.h: Remove the corresponding prototypes.
17876
17877         * rtlanal.c (regs_set_between_p): Remove.
17878         * rtl.h: Remove the corresponding prototype.
17879
17880 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
17881
17882         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
17883         to rs6000_nonimmediate_operand.
17884         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
17885         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
17886         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
17887         rs6000_nonimmediate_operand.
17888         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
17889         rs6000_nonimmediate_operand.
17890
17891 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
17892
17893         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
17894
17895 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17896
17897         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
17898         on e500v2.
17899         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
17900         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
17901
17902         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
17903         (rs6k_nonimmediate_operand): New.
17904         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
17905         correctly.
17906         (legitimate_lo_sum_address_p): Same.
17907         (rs6000_legitimize_address): Same.
17908         (rs6000_legitimize_reload_address): Same.
17909         (rs6000_legitimate_address): Same.
17910         (spe_build_register_parallel): Pass DF and DC modes in a DI
17911         register.
17912
17913         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
17914         to rs6k_nonimmediate_operand.
17915
17916         * config/rs6000/spe.md ("*frob_df_di"): New.
17917         ("*frob_di_df"): New.
17918         ("*frob_di_df_2"): New.
17919         ("*mov_sidf_e500_subreg0"): New.
17920         ("*mov_sidf_e500_subreg4"): New.
17921         ("*movdf_e500_double"): Change predicate to
17922         rs6k_nonimmediate_operand.
17923
17924 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17925
17926         * postreload.c (move2add_note_store): Only call
17927         trunc_int_for_mode on scalar integers.
17928
17929 2005-01-14  Steven Bosscher  <stevenb@suse.de>
17930
17931         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
17932         replace BB_VISITED uses.
17933         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
17934         (propagate_necessity): Check the bitmap instead of BB_VISITED.
17935         (tree_dce_done): Free visited_control_parents.
17936         (perform_tree_ssa_dce): Allocate and clear it.
17937         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
17938         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
17939         instead of BB_VISITED.
17940
17941 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
17942
17943         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
17944         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
17945         Remove unused prototypes.
17946
17947 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17948
17949         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
17950         64-bit register usage.
17951         (spe_func_has_64bit_regs_p): Add FIXME note.
17952
17953 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17954
17955         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
17956         flag_finite_math_only with flag_unsafe_math_optimizations.
17957
17958 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
17959
17960         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
17961         end-of-stack check.
17962         (__tpf_eh_return): Copy TPF private stack area from the module
17963         boundary stack frame.  Add check for when module addresses are
17964         equal, but no stub address is found.
17965
17966 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
17967
17968         PR target/7525
17969         * arm.h (struct machine_function): Add call_via field.
17970         (thumb_call_via_label): Declare.
17971         * arm.c (thumb_call_via_label): New variable.
17972         (thumb_call_reg_needed): New variable.
17973         (arm_output_function_epilogue): For Thumb code, output any per-function
17974         call-indirect trampolines.
17975         (thumb_call_via_reg): New function.
17976         (arm_file_end): New function.
17977         (TARGET_ASM_FILE_END): Call arm_file_end.
17978         (aof_file_end): Likewise.
17979         * arm-protos.h (thumb_call_via_reg): Declare.
17980         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
17981         thumb_call_via_reg in normal case.
17982
17983 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
17984
17985         PR middle-end/19084
17986         PR rtl-optimization/19348
17987         * recog.c (peephole2_optimize): Do global life update if some peephole
17988         decides it doesn't need at least one of its inputs and that change
17989         influences liveness at the start of the basic block.
17990
17991         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
17992         arguments instead of 1.
17993
17994 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
17995
17996         PR middle-end/18820
17997         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
17998         zero for nested functions needing a static chain or functions
17999         with a non-constant address.
18000
18001 2005-01-13  Roger Sayle  <roger@eyesopen.com>
18002
18003         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
18004         (and (sign_extend X) C) into (zero_extend (and X C)).
18005
18006 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
18007
18008         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
18009
18010 2005-01-13  Richard Henderson  <rth@redhat.com>
18011
18012         PR target/19009
18013         PR target/19250
18014         PR target/19252
18015         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
18016         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
18017         not just TARGET_SSE.
18018         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
18019         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
18020         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
18021         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
18022         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
18023         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
18024         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
18025         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
18026         (movdicc_c_rex64): Rename with '*'.
18027         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
18028         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
18029         (movsfcc_1_387): Rename from movsfcc_1.
18030         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
18031         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
18032         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
18033         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
18034         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
18035         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
18036         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
18037         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
18038         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
18039         sse_movdfcc_const0_4): Remove.
18040         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
18041         recognize min/max early.  Update for changed sse cmove patterns.
18042         (ix86_split_sse_movcc): New.
18043         * config/i386/i386-protos.h: Update.
18044
18045 2005-01-13  Steven Bosscher  <stevenb@suse.de>
18046
18047         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
18048         (fix_stmt_v_may_defs): Likewise.
18049
18050 2005-01-13  Richard Henderson  <rth@redhat.com>
18051
18052         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
18053         for converting the mask.
18054
18055 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
18056
18057         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
18058         definition to 600.
18059
18060 2005-01-13  Richard Henderson  <rth@redhat.com>
18061
18062         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
18063         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
18064         IX86_BUILTIN_MOVDQ2Q): Remove.
18065         (IX86_BUILTIN_VEC_EXT_V4SI): New.
18066         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
18067         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
18068         shuffling.
18069         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
18070         (sse2_pextrw): Fix immediate constraint.
18071         (sse2_loadq, sse2_loadq_rex64): Remove.
18072         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
18073         Use __builtin_ia32_vec_ext_<size>.
18074         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
18075
18076 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
18077
18078         * function.c (assign_parm_setup_block): Look inside original
18079         entry_parm when inspecting PARALLEL.
18080
18081 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
18082             Joel Sherrill  <joel@oarcorp.com>
18083
18084         PR target/19399
18085         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
18086         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
18087         rtems_gxx_recursive_mutex_init.
18088         (__gthread_recursive_mutex_lock): New function.
18089         (__gthread_recursive_mutex_trylock): Likewise.
18090         (__gthread_recursive_mutex_unlock): Likewise.
18091
18092 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
18093
18094         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
18095
18096 2005-01-13  Jan Beulich  <jbeulich@novell.com>
18097
18098         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
18099         (ashrti3_internal): Indicate output is early clobber. Generate result
18100         into output rather than first input. Use move for low word of output
18101         if shift count is exactly 64.
18102         (lshrti3_internal): Likewise.
18103
18104 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
18105
18106         PR target/18329
18107         PR target/18330
18108         * reload1.c (delete_output_reload): Don't delete an output reload
18109         if the pseudo lives longer than a single basic block.  Adjust and
18110         improve wording of comment.
18111
18112 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
18113
18114         PR target/19334
18115         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
18116         of TYPE_SIZE where we mean the number of bytes.
18117
18118 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
18119
18120         * function.c (assign_parm_setup_block): Relax condition on
18121         multi-register optimization.
18122
18123 2005-01-12  Nick Clifton  <nickc@redhat.com>
18124
18125         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
18126         an "in_delay_slot" attribute of "no" to prevent them being used in
18127         delay slots.  This is forbidden because they might generate
18128         exceptions.
18129
18130 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
18131
18132         PR target/19389
18133         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
18134         with r->Y and Y->r.
18135
18136 2005-01-12  Nick Clifton  <nickc@redhat.com>
18137
18138         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
18139         passed on to GAS) but do not define, as GAS no longer supports or
18140         needs the -m2000 option.
18141
18142 2005-01-11  Roger Sayle  <roger@eyesopen.com>
18143
18144         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
18145         type as args of unprototyped builtins aren't automatically promoted.
18146         (fold_builtin_abs): Likewise.
18147
18148 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18149
18150         * Makefile.in: Set a `build-warn' variable.
18151
18152 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
18153
18154         PR tree-optimization/17949
18155         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
18156         (find_interesting_uses_address): Use it.
18157
18158 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
18159
18160         * regrename.c (kill_value): Handle subreg's that won't simplify.
18161
18162 2005-01-11  Richard Henderson  <rth@redhat.com>
18163
18164         PR target/13366
18165         * config/i386/i386.h (enum ix86_builtins): Move ...
18166         * config/i386/i386.c: ... here.
18167         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
18168         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
18169         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
18170         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
18171         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
18172         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
18173         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
18174         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
18175         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
18176         IX86_BUILTIN_LOADDDUP): Remove.
18177         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
18178         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
18179         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
18180         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
18181         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
18182         (ix86_init_builtins): Make static.
18183         (ix86_init_mmx_sse_builtins): Update for changed builtins.
18184         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
18185         if all the modes match.  Otherwise, fake it.
18186         (get_element_number, ix86_expand_vec_init_builtin,
18187         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
18188         (ix86_expand_builtin): Make static.  Update for changed builtins.
18189         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
18190         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
18191         (ix86_expand_vector_init_duplicate): New.
18192         (ix86_expand_vector_init_low_nonzero): New.
18193         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
18194         Split out from ix86_expand_vector_init; handle integer modes.
18195         (ix86_expand_vector_init): Use them.
18196         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
18197         * config/i386/i386-protos.h: Update.
18198         * config/i386/predicates.md (reg_or_0_operand): New.
18199         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
18200         (movv2sf_internal): Likewise.  And a splitter to match them all.
18201         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
18202         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
18203         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
18204         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
18205         (mmx_pinsrw): Fix operand ordering.
18206         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
18207         rather than sse_loadss expander.
18208         (movv2df splitter): Similarly.
18209         (sse_loadss, sse_loadlss): Remove.
18210         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
18211         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
18212         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
18213         (sse3_movddup): Rename with '*'.
18214         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
18215         (sse2_loadsd): Remove.
18216         (vec_dupv2df_sse3): Rename from sse3_loadddup.
18217         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
18218         (sse2_pinsrw): Fix argument ordering.
18219         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
18220         (sse2_stored): Remove 'r' destination.
18221         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
18222         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
18223         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
18224         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
18225         vec_extractv16qi, vec_initv16qi): New.
18226
18227         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
18228         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
18229         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
18230         constructor form.
18231         (_mm_load_pd, _mm_store_pd): Use plain dereference.
18232         (_mm_load_si128, _mm_store_si128): Likewise.
18233         (_mm_load1_pd): Use _mm_set1_pd.
18234         (_mm_load_sd): Use _mm_set_sd.
18235         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
18236         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
18237         (_mm_set_epi64): Use _mm_set_epi64x.
18238         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
18239         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
18240         _mm_setr_epi8): Use _mm_set_foo form.
18241         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
18242         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
18243         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
18244         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
18245         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
18246         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
18247         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
18248         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
18249         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
18250         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
18251         (_mm_movedup_pd): Use _mm_shuffle_pd.
18252         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
18253         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
18254         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
18255         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
18256         Use _mm_setzero_ps.
18257         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
18258         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
18259         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
18260         (_mm_store_ps): Use raw dereference.
18261         (_mm_store1_ps): Use _mm_storeu_ps.
18262         (_mm_storer_ps): Use _mm_store_ps.
18263         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
18264         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
18265
18266 2005-01-11  Stan Shebs  <shebs@apple.com>
18267
18268         * config/rs6000/rs6000.c (machopic_output_stub): Issue
18269         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
18270
18271 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
18272
18273         PR target/18761
18274         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
18275         Skip all DECLs except for FIELD_DECLs.
18276
18277 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
18278
18279         * config/s390/s390.c (override_options): Return error if
18280         -mbackchain, -mpacked-stack and -mhard-float are used together.
18281         (s390_va_start): Remove the backchain && packed-stack special case.
18282         (s390_gimplify_va_arg): Likewise.
18283         * doc/invoke.texi: Remove the ABI incompatibility note.
18284
18285 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
18286
18287         * config/s390/s390.c (struct s390_frame_layout): Remove
18288         save_backchain_p.
18289         (s390_frame_info, s390_emit_prologue): Replace occurrences of
18290         save_backchain_p with TARGET_BACKCHAIN.
18291
18292 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
18293
18294         PR target/18916
18295         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
18296         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
18297         * function.c (locate_and_pad_parm): Set new field.
18298         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
18299         Tweak where_pad test to include "none".  Always set mem align for
18300         stack_parm.
18301         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
18302         not sufficient for type.
18303         (assign_parm_setup_block): If stack_parm is zero on entry, always
18304         make a new stack local.  Block move old stack parm if necessary
18305         to new aligned stack local.
18306         (assign_parm_setup_stack): Use a block move to handle
18307         potentially misaligned entry_parm.
18308         (assign_parms_unsplit_complex): Specify required alignment when
18309         creating stack local.
18310         * calls.c (compute_argument_addresses): Override alignment of stack
18311         arg calculated from its type with the alignment given by
18312         FUNCTION_ARG_BOUNDARY.
18313         (store_one_arg): Likewise.
18314
18315 2005-01-11  Jan Beulich  <jbeulich@novell.com>
18316
18317         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
18318         Change respective itanium_class attribute to ialu.
18319         (shladdp4_internal): New.
18320         * config/ia64/predicates.md (shladd_log2_operand): New.
18321
18322 2005-01-11  Richard Henderson  <rth@redhat.com>
18323
18324         * expr.c (store_constructor): Use rtvec_alloc instead of
18325         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
18326
18327 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
18328
18329         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
18330
18331 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
18332
18333         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
18334         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
18335         (TARGET_RWRELOC): Define.
18336         (ia64_rwreloc_section_type_flags): Delete.
18337         (ia64_section_type_flags): New function.
18338         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
18339         (TARGET_RWRELOC): Define.
18340
18341 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
18342
18343         PR target/18987
18344         * config/ia64/ia64.c (process_set): For alloc insn, only call
18345         process_epilogue is !frame_pointer_needed.
18346
18347 2005-01-10  Roger Sayle  <roger@eyesopen.com>
18348
18349         PR c++/19355
18350         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
18351         unary operator and can't be treated as a binary/comparison operator.
18352
18353 2005-01-10  Richard Henderson  <rth@redhat.com>
18354
18355         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
18356         (ix86_return_in_memory): Likewise.
18357         (function_arg_advance):  Likewise.  Mirror structure in function_arg
18358         for choosing register to advance.
18359
18360 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
18361
18362         * tree-vectorizer.c, tree.def: Fix comment typos.
18363
18364 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
18365
18366         * config/s390/s390.c (struct processor_costs): 4 new fields:
18367         ddbr, ddr, debr, der.
18368         (s390_rtx_costs): More precise handling of divide instructions.
18369
18370 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
18371
18372         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
18373
18374 2005-01-10  Jan Beulich  <jbeulich@novell.com>
18375
18376         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
18377         names resulting from -ffunction-sections/-fdata-sections and linkonce
18378         ones.
18379         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
18380         based on the section name. Rearrange the section name comparison logic
18381         slightly so that each section name is compared against at most once.
18382
18383 2005-01-10  Ben Elliston  <bje@au.ibm.com>
18384
18385         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
18386         targets for which -fPIC reduces limitations on the GOT size.
18387
18388 2005-01-09  Falk Hueffner  <falk@debian.org>
18389
18390         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
18391         X/C1 cmpop C2.
18392
18393 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
18394
18395         PR target/18720
18396         * collect2.c (main): Set aixrtl_flag for -brtl option.
18397         (resolve_lib_name): Search for .so file extension before .a
18398         if aixrtl_flag set.
18399
18400 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
18401
18402         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
18403         (vect_analyze_data_refs_alignment): Add dump prints.
18404
18405 2005-01-09  Ira Rosen  <irar@il.ibm.com>
18406
18407         * tree-vectorizer.c (vect_analyze_offset_expr): Use
18408         expr_invariant_in_loop_p.
18409         Initialize outputs first thing in the function.
18410         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
18411         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
18412         (vect_analyze_pointer_ref_access): Check that the initial condition of
18413         the access function is loop invariant.
18414
18415 2005-01-09  Richard Henderson  <rth@redhat.com>
18416
18417         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
18418         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
18419         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
18420         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
18421         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
18422         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
18423         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
18424         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
18425         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
18426         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
18427         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
18428         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
18429         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
18430         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
18431         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
18432         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
18433         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
18434         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
18435         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
18436         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
18437         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
18438         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
18439         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
18440         mmx_ prefix.
18441         (mmx_clrdi, pavgusb): Remove.
18442         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
18443         with leading sse_ prefix.
18444         * config/i386/sse.md: Receive them.
18445         * config/i386/mmx.md: New file.
18446         (MMXMODE12, MMXMODE24, mmxvecsize): New.
18447         (subrv2sf3): Turn into expander for normal subtraction.
18448         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
18449         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
18450         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
18451         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
18452         commutative; use ix86_binary_operator_ok.
18453         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
18454         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
18455         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
18456         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
18457         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
18458         Macroize from existing patterns; use ix86_binary_operator_ok.
18459         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
18460         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
18461         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
18462         with vec_select+vec_concat.
18463         (mmx_pshufw, mmx_pshufw_1): Likewise.
18464         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
18465         (mmx_uavgv4hi3): Model correctly.
18466         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
18467         _mm_xor_si64): Remove casts.
18468
18469 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
18470
18471         PR tree-optimization/19224
18472         * tree-scalar-evolution.c (get_instantiated_value,
18473         set_instantiated_value): New functions.
18474         (instantiate_parameters_1): Cache the results.
18475         (instantiate_parameters, resolve_mixers): Initialize and free
18476         the cache.
18477
18478 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
18479
18480         * config/i386/i386.md (addhi_4): Correct reference in comment.
18481         (addqi_4): Same.
18482
18483 2005-01-08  Richard Henderson  <rth@redhat.com>
18484
18485         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
18486         (_mm_cvtsi128_si64x): Likewise.
18487         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
18488         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
18489         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
18490         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
18491         * config/i386/i386-protos.h: Update.
18492         * config/i386/i386.c (print_operand): Add 'H'.
18493         (ix86_fixup_binary_operands): Split out from ...
18494         (ix86_expand_binary_operator): ... here.
18495         (ix86_fixup_binary_operands_no_copy): New.
18496         (ix86_expand_fp_absneg_operator): Handle vector mode results.
18497         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
18498         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
18499         (safe_vector_operand): Use CONST0_RTX.
18500         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
18501         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
18502         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
18503         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
18504         special cases.
18505         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
18506         (IX86_BUILTIN_CMPNGESS): New.
18507         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
18508         (attr type): Add sselog1.
18509         (attr unit, attr memory): Handle it.
18510         (movti, movti_internal, movti_rex64): Move near other integer moves.
18511         (movtf, movtf_internal): Move near other fp moves.
18512         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
18513         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
18514         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
18515         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
18516         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
18517         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
18518         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
18519         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
18520         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
18521         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
18522         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
18523         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
18524         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
18525         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
18526         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
18527         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
18528         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
18529         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
18530         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
18531         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
18532         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
18533         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
18534         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
18535         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
18536         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
18537         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
18538         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
18539         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
18540         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
18541         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
18542         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
18543         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
18544         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
18545         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
18546         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
18547         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
18548         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
18549         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
18550         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
18551         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
18552         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
18553         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
18554         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
18555         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
18556         same time.
18557         (SSEPUSH, push<SSEPUSH>): Remove.
18558         (MMXPUSH, push<MMXPUSH>): Remove.
18559         (sse_movaps, sse_movaps_1, sse_movups): Remove.
18560         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
18561         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
18562         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
18563         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
18564         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
18565         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
18566         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
18567         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
18568         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
18569         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
18570         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
18571         (ppro_sse_log_V4SF): Handle sselog1.
18572         * config/i386/predicates.md (const_0_to_1_operand): New.
18573         (const_0_to_255_mul_8_operand): New.
18574         (const_1_to_31_operand): Rename from const_int_1_31_operand.
18575         (const_2_to_3_operand, const_4_to_7_operand): New.
18576         * config/i386/sse.md: New file.
18577         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
18578         (sse_movups): Rename from sse_movups_1.
18579         (sse_loadlss): Rename from sse_loadss_1.
18580         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
18581         from the name.
18582         (negv4sf2): Use ix86_expand_fp_absneg_operator.
18583         (absv4sf2, negv2df, absv2df): New.
18584         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
18585         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
18586         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
18587         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
18588         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
18589         (sse3_addsubv4sf3): Model correctly.
18590         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
18591         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
18592         (sse_movhlps): Model with vec_select+vec_concat.
18593         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
18594         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
18595         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
18596         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
18597         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
18598         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
18599         sse2_pshufhw_1): Likewise.
18600         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
18601         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
18602         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
18603         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
18604         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
18605         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
18606         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
18607         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
18608         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
18609         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
18610         sminv8hi3): Mark commutative
18611         operands.  Use ix86_binary_operator_ok.
18612         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
18613         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
18614         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
18615         sse2_punpcklqdq): Allow operand2 in memory.
18616         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
18617         sse2_movsd): Add memory alternatives.
18618         (sse_storelps): Turn expander into an insn; split after reload.
18619         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
18620         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
18621
18622 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18623
18624         * configure.ac (DWARF-2 debug_line): Use objdump.
18625         * configure: Regenerate.
18626
18627 2005-01-08  Jeff Law  <law@redhat.com>
18628             Diego Novillo  <dnovillo@redhat.com>
18629
18630         PR tree-optimization/18241
18631         * tree-nrv.c (tree_nrv): Ignore volatile return values.
18632         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
18633         statements with volatile operands.
18634         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
18635         operands after marking a statement with has_volatile_ops.
18636
18637 2005-01-08  Roger Sayle  <roger@eyesopen.com>
18638
18639         * tree.c (int_fits_type_p): Always honor integer constant
18640         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
18641
18642 2005-01-08  Roger Sayle  <roger@eyesopen.com>
18643
18644         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
18645         the latent bug in rtl_delete_block has been resolved.
18646
18647 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
18648
18649         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
18650         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
18651
18652 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
18653
18654         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
18655         library as @multilib_dir@/$(SHLIB_SONAME).
18656
18657 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18658
18659         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
18660         * configure: Regenerate.
18661
18662 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
18663
18664         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
18665         TYPE_MODE.
18666
18667 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
18668
18669         PR target/13674
18670         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
18671         Convert non-word aligned offset address using ld/std into
18672         indirect address.
18673
18674 2005-01-07  Richard Henderson  <rth@redhat.com>
18675
18676         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
18677
18678 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
18679
18680         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
18681
18682 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
18683
18684         PR tree-optimization/19283
18685         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
18686         is not shorter than the original type.
18687
18688         PR rtl-optimization/19012
18689         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
18690
18691         PR rtl-optimization/18861
18692         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
18693         (FULL_STATE): Define.
18694         (mark_tablejump_edge): New function.
18695         (purge_dead_tablejump_edges): New function.
18696         (find_bb_boundaries): Use it.
18697
18698         PR tree-optimization/18828
18699         * builtins.c (expand_builtin_next_arg): Remove argument and all
18700         the argument checking.
18701         (expand_builtin): Adjust caller.
18702         (expand_builtin_va_start): Likewise.  Remove error for too many
18703         arguments.
18704         (fold_builtin_next_arg): Issue error for too many arguments.
18705         After checking arguments, replace them with magic arguments that
18706         prevent further checking of the args.
18707
18708 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18709
18710         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
18711
18712 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18713
18714         PR target/6077
18715         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
18716         and %{.S:...} (and their negative variants) to test whether the
18717         input file is assembler or pre-processed-assembler independent of
18718         the actual filename extension.
18719
18720 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18721
18722         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
18723         of sign or zero extended values.
18724
18725 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
18726
18727         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
18728         for IBM long double format correctly.
18729
18730 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
18731
18732         Fix PR tree-optimization/18792
18733
18734         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
18735         to first_loop_depth, and use loop depth instead of loop number.
18736         (build_classic_dir_vector): Ditto.
18737         (compute_data_dependences_for_loop): Use depth, not loop number.
18738         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
18739         number. Pass in loops, instead of loop numbers.
18740         (gather_interchange_stats): Ditto.
18741         (linear_transform_loops): Ditto.
18742
18743 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
18744
18745         PR rtl-opt/13299
18746         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
18747         biv_fits_mode_p, extension_within_bounds_p): New functions.
18748         (check_ext_dependent_givs): Use them.
18749
18750 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18751
18752         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
18753         more than one barrier, in which case we should delete them all.
18754
18755 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
18756
18757         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
18758
18759 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
18760
18761         Fix PR middle-end/19286
18762         Fix PR debug/19267
18763         * dwarf2out.c (gen_subprogram_die): If we've already tried to
18764         output this subprogram, simply ignore this attempt to do it again.
18765         (add_abstract_origin_attribute): Don't abort trying to add the abstract
18766         origin attribute if it's not possible.
18767         (gen_block_die): Don't ignore subblocks of "unused" blocks.
18768         (decls_for_scope): Ditto.
18769         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
18770         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
18771
18772 2005-01-05  Richard Henderson  <rth@redhat.com>
18773
18774         PR target/11327
18775         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
18776         (bdesc_2arg): Use it.
18777         (ix86_expand_binop_builtin): Force operands into registers
18778         when optimizing.
18779         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
18780         ix86_expand_sse_compare, ix86_expand_sse_comi,
18781         ix86_expand_builtin): Likewise.
18782
18783 2005-01-05  Richard Henderson  <rth@redhat.com>
18784
18785         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
18786         and VEC_SELECT.
18787         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
18788         (mulv4hi3): Set itanium_class mmmul.
18789         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
18790         (fpack): Rename from fpack_sfsf.
18791
18792 2005-01-05  Richard Henderson  <rth@redhat.com>
18793
18794         PR rtl-opt/10692
18795         * reload1.c (do_input_reload): Restrict the optimization deleteing
18796         a previous output reload to RELOAD_FOR_INPUT.
18797
18798 2005-01-05  Steven Bosscher  <stevenb@suse.de>
18799
18800         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
18801         comment that we fall through after case.
18802         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
18803         (distribute_links): Likewise.
18804         * cse.c (cse_insn): Likewise.
18805         * cselib.c (cselib_invalidate_mem): Likewise.
18806         * df.c: Update comments at the top of the file.
18807         (read_modify_subreg_p): Update comments here too.
18808         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
18809         * flow.c (mark_set_1): Likewise.
18810         (mark_used_regs): Likewise.
18811         * gcse.c (mems_conflict_for_gcse_p): Likewise.
18812         (canon_list_insert): Likewise.
18813         (mark_set): Likewise.
18814         (try_replace_reg): Likewise.
18815         (store_killed_in_insn): Likewise.
18816         * loop.c (count_one_set): Likewise.
18817         (basic_induction_var): Likewise.
18818         * postreload-gcse.c (find_mem_conflicts): Likewise.
18819         * postreload.c (reload_combine_note_store): Likewise.
18820         (move2add_note_store): Likewise.
18821         * reload.c (find_equiv_reg): Likewise.
18822         (mark_referenced_resources): Likewise.
18823         * rtlanal.c (set_noop_p): Likewise.
18824         (note_stores): Likewise.
18825         (note_uses): Likewise.
18826         * sched-deps.c (sched_analyze_1): Likewise.
18827         * sched-rgn.c (check_live_1): Likewise.
18828         (update_live_1): Likewise.
18829         * config/i860/i860.c: Likewise.
18830
18831         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
18832         an lvalue.
18833         (ZERO_EXTRACT): Mention that this one can be an lvalue.
18834
18835         * doc/rtl.texi: Update documentation for bit-fields and SET.
18836
18837 2005-01-05  Roger Sayle  <roger@eyesopen.com>
18838
18839         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
18840
18841 2005-01-05  Jan Hubicka  <jh@suse.cz>
18842             Richard Henderson  <rth@redhat.com>
18843
18844         PR target/18910
18845         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
18846         with an offset.
18847
18848 2005-01-05  Richard Henderson  <rth@redhat.com>
18849
18850         PR target/12902
18851         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
18852         (sse_shufps): Change operand 3 to const_int_operand.
18853         (sse2_storelps): Fix typo in template.
18854         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
18855         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
18856         (ix86_expand_builtin): Likewise.
18857
18858 2005-01-05  Julian Brown  <julian@codesourcery.com>
18859
18860         * config/arm/arm.c (arm_return_in_memory): Treat complex types
18861         as aggregates for AAPCS ABIs.
18862
18863 2005-01-05  Stan Shebs  <shebs@apple.com>
18864
18865         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
18866         Mach-O getters if ppc64.
18867         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
18868         size argument.
18869         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
18870         signed four-byte field for global code case.
18871         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
18872
18873 2005-01-05  Roger Sayle  <roger@eyesopen.com>
18874
18875         PR middle-end/19100
18876         * c-common.c: Include real.h.
18877         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
18878         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
18879         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
18880         * Makefile.in (c-common.o): Update dependencies.
18881
18882 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18883
18884         * c-parse.in (asm_string): Add trailing semicolon.
18885
18886 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18887
18888         * c-parse.in (asm_string): New.  Don't allow wide strings in
18889         'asm'.
18890         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
18891         asm_string instead of STRING.
18892
18893 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18894
18895         * c-typeck.c (constructor_no_implicit): Remove.
18896         (set_designator, process_init_element): Don't check
18897         constructor_no_implicit.
18898
18899 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
18900             Kaz Kojima  <kkojima@gcc.gnu.org>
18901
18902         PR target/16482
18903         * lcm.c (create_pre_exit): New.
18904         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
18905         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
18906
18907 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
18908
18909         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
18910         -msoft-float in target_float_switch.
18911         * arm.c (arm_override_options): Fix processing of target_float_switch.
18912
18913 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
18914
18915         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
18916         preferencing.
18917
18918 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
18919
18920         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
18921         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
18922
18923 2005-01-04  Roger Sayle  <roger@eyesopen.com>
18924
18925         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
18926         if deleting the then-block allows the test-block to fallthru to the
18927         else-block.
18928
18929 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
18930
18931         PR c/19152
18932         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
18933         after the full declaration if the are in two different TUs.
18934
18935 2005-01-04  Richard Henderson  <rth@redhat.com>
18936
18937         PR tree-opt/19158
18938         * tree-sra.c (generate_one_element_init): Just
18939         call gimplify_and_add.
18940         (generate_element_init): Record the
18941         new referenced variables and mark them for renaming
18942         and split out to ...
18943         (generate_element_init_1): This.
18944         (scalarize_init): Don't call push_gimplify_context/
18945         pop_gimplify_context.
18946
18947 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
18948
18949         * toplev.c (get_src_pwd): Handle failure of getpwd().
18950
18951 2005-01-04  Roger Sayle  <roger@eyesopen.com>
18952
18953         * fold-const.c (fold_single_bit_test): Delete unreachable handling
18954         of TRUTH_NOT_EXPR.
18955         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
18956         all the cases handled by it are inverted by invert_truthvalue.
18957
18958 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
18959
18960         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
18961         (save_register_windowsi): Likewise.
18962
18963 2005-01-04  Richard Henderson  <rth@redhat.com>
18964
18965         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
18966
18967 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
18968
18969         PR middle-end/17767
18970         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
18971         any simplifications of vector mode comparison operators.
18972         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
18973
18974 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
18975             Devang Patel  <dpatel@apple.com>
18976
18977         PR tree-optimization/18308
18978         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
18979         the operands before creating a new expression.
18980         * dojump.c (do_jump): Make drop_through_label available
18981         for all cases.  Add expansion of COND_EXPR.
18982
18983 2005-01-04  Ira Rosen  <irar@il.ibm.com>
18984
18985         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
18986         INTEGER_CST instead of TREE_CONSTANT.
18987         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
18988         instead of TREE_CONSTANT.
18989         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
18990         instead of TREE_CONSTANT.
18991
18992 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
18993
18994         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
18995
18996 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
18997
18998         PR target/19240
18999         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
19000         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
19001
19002 2005-01-03  Richard Henderson  <rth@redhat.com>
19003
19004         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
19005         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
19006         fold_convert_const_real_from_real): Split out from ...
19007         (fold_convert_const): ... here.
19008
19009 2005-01-03  Richard Henderson  <rth@redhat.com>
19010
19011         PR target/19235
19012         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
19013         (mov<MMXMODEI>_internal): Likewise.
19014         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
19015         Add V2SF case; use it for SSE1; don't use TI.
19016         (movdf_integer): Likewise.
19017         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
19018
19019 2005-01-03  Ira Rosen  <irar@il.ibm.com>
19020
19021         * tree-vectorizer.c (vect_strip_conversions): New function.
19022         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
19023         check for binary class.
19024
19025 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
19026
19027         Fix PR debug/17924
19028         Fix PR debug/19191
19029         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
19030         is a decl.
19031         * gimple-low.c (mark_blocks_with_used_vars): New function.
19032         (mark_blocks_with_used_subblocks): Ditto.
19033         (mark_used_blocks): Ditto.
19034         (pass_mark_used_blocks): New pass.
19035         * tree-inline.c: Include debug.h.
19036         (expand_call_inline): Call outlining_inline_function here.
19037         * tree-optimize.c (init_tree_optimization_passes): Add
19038         pass_mark_used_blocks.
19039         * tree-pass.h (pass_mark_used_blocks): New.
19040         * Makefile.in (tree-inline.o): Add debug.h dependency.
19041
19042 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
19043
19044         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
19045         VAR_DECLs to have weak_import attribute.
19046
19047         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
19048         'struct ucontext'.
19049
19050 2004-01-03  Steven Bosscher  <stevenb@suse.de>
19051
19052         * passes.c (rest_of_compilation): Don't run regmove if only
19053         flag_expensive_optimizations, require flag_regmove instead.
19054
19055 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
19056
19057         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
19058         register "sparc".
19059         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
19060         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
19061         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
19062         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
19063
19064 2005-01-03  Richard Henderson  <rth@redhat.com>
19065
19066         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
19067         (ia64_const_ok_for_letter_p): New.
19068         (ia64_const_double_ok_for_letter_p): New.
19069         (ia64_extra_constraint): New.
19070         (ia64_expand_vecint_compare): New.
19071         (ia64_expand_vcondu_v2si): New.
19072         (ia64_expand_vecint_cmov): New.
19073         (ia64_expand_vecint_minmax): New.
19074         (ia64_print_operand): Add 'v'.
19075         (ia64_preferred_reload_class): New.
19076         (ia64_vector_mode_supported_p): New.
19077         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
19078         (PREFERRED_RELOAD_CLASS): Move to function.
19079         (CONST_OK_FOR_LETTER_P): Move to function.
19080         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
19081         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
19082         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
19083         (EXTRA_CONSTRAINT): Move to function.
19084         * config/ia64/ia64.md: Include vect.md.
19085         (itanium_class): Add mmalua.
19086         (type): Handle it.
19087         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
19088         (1b_mmalua): New.
19089         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
19090         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
19091         CONST0_RTX.
19092         (const_int_2bit_operand): New.
19093         (fr_reg_or_0_operand): New.
19094         * config/ia64/ia64-modes.def: Add vector modes.
19095         * config/ia64/ia64-protos.h: Update.
19096         * config/ia64/vect.md: New file.
19097
19098 2005-01-03  Richard Henderson  <rth@redhat.com>
19099
19100         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
19101
19102 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
19103
19104         PR target/19236
19105         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
19106         to SFmode.
19107         (log1pdf2): Change mode of operands[0,1] to DFmode.
19108
19109 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
19110
19111         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
19112         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
19113         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
19114         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
19115         SPARC_RELAXED_ORDERING.
19116
19117 2005-01-03  Richard Henderson  <rth@redhat.com>
19118             Uros Bizjak  <uros@kss-loka.si>
19119
19120         PR target/14631
19121         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
19122         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
19123         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
19124         handling.
19125         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
19126         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
19127         const_pow2_1_to_128_operand): New predicates.
19128
19129 2005-01-02  Greg McGary  <greg@mcgary.org>
19130
19131         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
19132         anonymous decls.
19133         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
19134         object.  [ptr_type]: Remove unused variable.
19135         Remember nearest addressable array-element or record-component
19136         when checking bitfield components.  Tolerate empty BIND_EXPR.
19137
19138 2005-01-01  Richard Henderson  <rth@redhat.com>
19139
19140         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
19141         that don't narrow the value.  Fail for other conversions.
19142
19143 2005-01-01  Richard Henderson  <rth@redhat.com>
19144
19145         PR c/19031
19146         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
19147         * c-lang.c (finish_file): Don't do it here.
19148         * objc/objc-act.c (objc_finish_file): Likewise.
19149
19150         * cgraph.c (decl_assembler_name_equal): New.
19151         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
19152         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
19153         * cgraph.h (struct cgraph_varpool_node): Add next.
19154         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
19155         * varasm.c (assemble_alias): Mark the target as needed.
19156
19157 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
19158
19159         PR middle-end/19221
19160         * function.c (get_arg_pointer_save_area): Use entry_of_function
19161         instead of get_insns.
19162
19163 2005-01-01  Roger Sayle  <roger@eyesopen.com>
19164             Andrew Pinski  <pinskia@physics.uc.edu>
19165             James E. Wilson  <wilson@specifixinc.com>
19166
19167         PR rtl-optimization/12092
19168         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
19169         is zero.
19170
19171 2005-01-01  Roger Sayle  <roger@eyesopen.com>
19172             Olivier Hainque  <hainque@act-europe.fr>
19173
19174         * tree.c (int_fits_type_p): A narrower type always fits in a
19175         wider one, except for negative values into unsigned types.
19176
19177 2005-01-01  Roger Sayle  <roger@eyesopen.com>
19178
19179         * tree.c (int_fits_type_p): Compare the result of force_fit_type
19180         with the original constant rather than require TREE_OVERFLOW.
19181
19182 2005-01-01  Steven Bosscher  <stevenb@suse.de>
19183
19184         PR middle-end/17544
19185         * c-decl.c (finish_function): If compiling C99, annotate the
19186         compiler generated return with the current file name and line 0.
19187         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
19188         the source line is greater than 0.
19189         (remove_bb): Likewise.