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* sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
2
3         * sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
4         the current bit index with no modulo.
5
6 2005-06-07  Sebastian Pop  <pop@cri.ensmp.fr>
7
8         PR 18403 and meta PR 21861.
9         * Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
10         * tree-chrec.c: Include cfgloop.h and tree-flow.h.
11         (evolution_function_is_invariant_rec_p,
12         evolution_function_is_invariant_p): New.
13         (chrec_convert): Use an extra parameter AT_STMT for refining the
14         information that is passed down to convert_step.  Integrate the 
15         code that was in count_ev_in_wider_type.
16         * tree-chrec.h (count_ev_in_wider_type): Removed.
17         (chrec_convert): Modify its declaration.
18         (evolution_function_is_invariant_p): Declared.
19         (evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
20         * tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
21         (scev_probably_wraps_p): Declared.
22         * tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
23         (follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
24         Use an extra parameter AT_STMT for refining the information that is
25         passed down to convert_step.
26         (follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
27         analyze_scalar_evolution_1): Initialize AT_STMT with the current
28         analyzed statement.
29         (instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
30         * tree-ssa-loop-ivopts.c (idx_find_step): Update the use of 
31         can_count_iv_in_wider_type to use convert_step.
32         * tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move 
33         code that is independent of the loop over the known iteration
34         bounds to convert_step_widening, the rest is moved to
35         proved_non_wrapping_p.
36         (scev_probably_wraps_p): New.
37         (can_count_iv_in_wider_type): Renamed convert_step.
38         * tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
39         Use scev_probably_wraps_p for computing init_is_max.
40         (vrp_visit_assignment): Pass the current analyzed statement to 
41         adjust_range_with_scev.
42         (execute_vrp): Call estimate_numbers_of_iterations for refining the 
43         information provided by scev analyzer.
44
45 2005-06-07  Eric Christopher  <echristo@redhat.com>
46
47         * config/mips/predicates.md (sleu_operand): Use
48         IN_RANGE to specify range of operand.
49
50 2005-06-07  Steven Bosscher  <stevenb@suse.de>
51
52         PR tree-optimization/21847
53         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With
54         -fnon-call-exceptions, also mark statements inherently
55         necessary if they may throw.
56
57 2005-06-07  Adrian Straetling  <straetling@de.ibm.com>
58
59         * config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
60         ("type"): Add "sem" to 'type' attribute.
61         ("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
62         "sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
63         "sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
64         "*sync_compare_and_swap_ccsi"): New patterns.
65         * config/s390/2064.md: ("z_sem"): New insn_reservation.
66         * config/s390/2084.md: ("x_sem"): New insn_reservation.
67         * config/s390/s390.c: (s390_compare_emitted): New global variable.
68         (s390_emit_compare): Do not emit comparison again after cas.
69         * config/s390/s390.h (s390_compare_emitted): Declare.
70
71 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
72
73         * sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
74         sbitmap_iter_cond, sbitmap_iter_next): New.
75         * bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
76         modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
77         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
78         uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.
79
80 2005-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
81
82         * tree-ssa-address.c: New file.
83         * Makefile.in (tree-ssa-address.o): Add.
84         * expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on
85         INDIRECT_REFs.  Handle TARGET_MEM_REFs.
86         * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs.
87         * tree-flow.h (struct mem_address): New.
88         (struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c.
89         (create_mem_ref, addr_for_mem_ref, get_address_description,
90         maybe_fold_tmr, multiplier_allowed_in_address_p,
91         multiply_by_cost):  Declare.
92         * tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs.
93         * tree-pretty-print.c (dump_generic_node): Ditto.
94         * tree-ssa-loop-im.c (for_each_index): Ditto.
95         * tree-ssa-loop-ivopts.c (may_be_unaligned_p,
96         find_interesting_uses_address): Ditto.
97         (rewrite_address_base, build_addr_strip_iref): Removed.
98         (struct affine_tree_combination): Moved to tree-flow.h.
99         (get_ref_tag, copy_ref_info): New functions.
100         (rewrite_use_address): Produce TARGET_MEM_REFs.
101         (tree_ssa_iv_optimize): Do not call update_ssa
102         and rewrite_into_loop_closed_ssa.
103         (tree_to_aff_combination): Use build_fold_addr_expr instead of
104         build_addr_strip_iref.
105         (unshare_aff_combination): New function.
106         (fold_affine_sum): Removed.
107         (get_computation_at): Use get_computation_aff.  Unshare the result.
108         (get_computation_aff, multiplier_allowed_in_address_p): New function.
109         (multiply_by_cost): Exported.
110         (get_address_cost): Use multiplier_allowed_in_address_p.
111         * tree-ssa-operands.c (get_tmr_operands): New function.
112         (get_expr_operands): Handle TARGET_MEM_REFs.
113         * tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs.
114         (build): Handle 7 arguments.
115         (build7_stat): New function.
116         * tree.def (TARGET_MEM_DEF): New.
117         * tree.h (REF_ORIGINAL): Removed.
118         (TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL,
119         TMR_TAG, build7): New macros.
120         (build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare.
121         * tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr.
122         * doc/c-tree.texi: Document TARGET_MEM_REF.
123         * doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar.
124
125 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
126
127         PR debug/21946
128         * dwarf2out.c (add_loc_descr_op_piece): New function.
129         (multiple_reg_loc_descriptor, concat_loc_descriptor,
130         loc_descriptor): Use it.
131         * var-tracking.c: Include regs.h and expr.h.
132         (emit_note_insn_var_location): Skip over pieces where offset
133         is smaller than previous offset plus previous piece mode size.
134         Optimize adjacent hard registers or memory locations.
135         * Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H).
136
137 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
138
139         * c-typeck.c (c_finish_if_stmt): Use void_type_node as type
140         for COND_EXPR.
141         * gimplify.c (gimplify_cond_expr): No need to fix up the
142         type of COND_EXPRs.
143
144 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
145
146         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix
147         comments.
148
149 2005-06-07  Geoffrey Keating  <geoffk@apple.com>
150
151         * config/rs6000/host-darwin.c (segv_handler): Widen the possible
152         'stwux' instructions that are considered to be stack decrements.
153
154         * rtlanal.c (subreg_offset_representable_p): Handle objects
155         with holes.
156
157 2005-06-06  Uros Bizjak  <uros@kss-loka.si>
158
159         * mode-switching.c (optimize_mode_switching): Fix n_exprs parameter
160         in call to pre_edge_lcm.
161
162 2005-06-06  Kaz Kojima  <kkojima@gcc.gnu.org>
163
164         * config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
165         (SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL)
166         (SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL):
167         Likewise.
168         (SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct
169         dwarf register number for SHmedia.
170         (shmedia_fallback_frame_state): New.
171         (MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5.
172
173         * config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version.
174
175 2005-06-06  Gabriel Dos Reis  <gdr@integrable-solutions.net>
176
177         * c-lex.c (lex_string): Use XOBFINISH.
178         * collect2.c (extract_string, dump_file): Likewise.
179         * dbxout.c (dbxout_finish_complex_stabs): Likewise.
180         * gcc.c (init_spec, build_search_list, convert_filename, 
181         set_collect_gcc_options, do_spec_2, do_spec_1, main): Likewise.
182         * genpreds.c (write_predicate_subfunction): Likewise.
183         * genflags.c (main): Likewise.
184         * read-rtl.c (mode_attr_index, apply_macro_to_string, 
185         join_c_conditions, read_quoted_string, read_braced_string, 
186         read_rtx_1): Likewise.
187         * stringpool.c (ggc_alloc_string): Likewise.
188         * tlink.c (obstack_fgets, recompile_files): Likewise.
189
190 2005-06-06  Jakub Jelinek  <jakub@redhat.com>
191
192         * intl.h (G_): New macro.
193         * rtl-error.c (error_for_asm, warning_for_asm): Use gmsgid
194         instead of msgid for argument name.
195         * tree-ssa.c (warn_uninit): Likewise.
196         * c-parser.c (c_parser_error): Likewise.
197         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
198         * config/darwin-c.c (BAD): Likewise.
199         * config/c4x/c4x-c.c (BAD): Likewise.
200         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
201         * c-errors.c (pedwarn_c99, pedwarn_c90): Likewise.
202         * c-common.c (c_parse_error): Likewise.
203         * diagnostic.c (diagnostic_set_info, verbatim, inform, warning,
204         warning0, pedwarn, error, sorry, fatal_error, internal_error):
205         Likewise.
206         (fnotice): Use cmsgid instead of msgid for argument name.
207         * gcov.c (fnotice): Likewise.
208         * protoize.c (notice): Likewise.
209         * final.c (output_operand_lossage): Likewise.
210         * gcc.c (fatal, notice): Likewise.
211         (error): Use gmsgid instead of msgid for argument name.
212         * collect2.c (notice, fatal_perror, fatal): Use cmsgid instead
213         of msgid for argument name.
214         (error): Use gmsgid instead of msgid for argument name.
215         * c-decl.c (locate_old_decl, implicit_decl_warning): Use G_()
216         instead of N_().
217         * c-typeck.c (readonly_error, convert_for_assignment): Likewise.
218         * tree-inline.c (inline_forbidden_p_1): Likewise.
219         * ABOUT-GCC-NLS: Require gettext 0.14.5 or later.  Mention the new
220         conventions for marking translations.
221         * doc/install.texi: Mention gettext 0.14.5 or later requirement.
222
223         * tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
224         build2.
225
226         * fold-const.c (operand_equal_p): Don't return 1, if element
227         chains for 2 VECTOR_CSTs are not the same length.
228
229         PR regression/21897
230         * fold-const.c (fold_ternary) <case BIT_FIELD_REF>: Don't crash if
231         not all VECTOR_CST elements are given.
232
233         * combine.c (try_combine): Use hard_regno_nregs array instead of
234         HARD_REGNO_NREGS macro.
235         * config/rs6000/rs6000.c (rs6000_split_multireg_move,
236         rs6000_register_move_cost, rs6000_memory_move_cost): Likewise.
237         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
238
239 2005-06-06  Daniel Berlin  <dberlin@dberlin.org>
240
241         * tree-ssa-reassoc.o: New.
242         (OBJS-common): Add tree-ssa-reassoc.o
243         * timevar.def: Add TV_TREE_REASSOC
244         * tree-optimize.c (pass_reassoc): Add call.
245         * tree-pass.h (pass_reassoc): Add.
246         * tree-ssa-reassoc.c: New file.
247
248 2005-06-06  Eric Christopher  <echristo@redhat.com>
249
250         target/21927
251         * expr.c (do_store_flag): Remove check for non-negative BRANCH_COST.
252
253 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
254
255         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Guard with
256         HAVE_GAS_MAX_SKIP_P2ALIGN.
257         (HAVE_AS_DWARF2_DEBUG_LINE): Remove.
258
259 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
260
261         * Makefile.in (mips-tfile.o): Add $(srcdir)/../include prefix to
262         getopt.h dependency.
263         (mips-tdump.o): Likewise.
264
265 2005-06-06  Jan Hubicka  <jh@suse.cz>
266
267         * predict.c (tree_predict_edge): Don't drop useless predictions;
268         check that it is not called too late in the game.
269         (gate_estimate_probability): New gate.
270         (pass_profile): Gate.
271         * tree-mudflap.c (mf_build_check_statement_for): Do not drop
272         predictions; update CFG instead.
273         * cfgrtl.c (rtl_verify_flow_info): Check that predcitions are consumed.
274
275 2005-06-06  Jie Zhang  <jie.zhang@analog.com>
276
277         * config.gcc (bfin*-uclinux*): New.
278         * config/bfin/uclinux.h: New file.
279
280 2005-06-06  Ben Elliston  <bje@au.ibm.com>
281
282         * doc/md.texi (Insn Splitting): Fix some wording.
283
284 2005-06-05  David Edelsohn  <edelsohn@gnu.org>
285
286         * config/rs6000/rs6000.c (rs6000_emit_swdivsf): New function.
287         (rs6000_emit_swdivdf): New function.
288         * config/rs6000/rs6000.md (fres): New pattern.
289         (divsf3): Add approximation through rs6000_emit_swdivsf.
290         (fred): New pattern.
291         (divdf3): Add approximation through rs6000_emit_swdivdf.
292         * config/rs6000/rs6000-protos.h (rs6000_emit_swdivsf): Declare.
293         (rs6000_emit_swdivdf): Declare.
294         * config/rs6000/rs6000.opt (mswdiv): New option.
295         * doc/invoke.texi (RS/6000 and PowerPC Options): Document mswdiv.
296
297 2005-06-05  Zdenek Dvorak  <dvorakz@suse.cz>
298
299         PR tree-optimization/21846
300         * tree-cfg.c (replace_uses_by): Update information stored at loops.
301         * tree-flow.h (substitute_in_loop_info): Declare.
302         * tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
303         Ensure that chrec_dont_know and chrec_known have a type.
304         * tree-ssa-loop-niter.c (substitute_in_loop_info): New function.
305
306 2005-06-05  Steven Bosscher  <stevenb@suse.de>
307
308         * config/i386/i386.c (x86_use_loop): Remove.
309         * config/i386/i386.h (x86_use_loop): Remove extern decl.
310         (TARGET_USE_LOOP): Remove.
311         * config/i386/i386.md (doloop_end, doloop_end_internal): Remove.
312         Also remove related define_splits.
313
314 2005-06-05  Dorit Nuzman  <dorit@il.ibm.com>
315
316         * tree-flow.h (stmt_ann_d): Move aux to ...
317         (tree_ann_common_d): ... here.
318         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
319         move_computations_stmt, schedule_sm): Update references to
320         aux.
321         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
322         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
323         call to set_stmt_info.
324         (vect_transform_loop): Likewise.
325         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info):
326         Likewise.
327
328         * tree-vect-analyze.c (vect_analyze_scalar_cycles): Made void instead of
329         bool.
330         (vect_mark_relevant): Takes two additional arguments - live_p and
331         relevant_p. Set RELEVANT_P and LIVE_P according to these arguments.
332         (vect_stmt_relevant_p): Differentiate between a live stmt and a
333         relevant stmt. Return two values = live_p and relevant_p.
334         (vect_mark_stmts_to_be_vectorized): Call vect_mark_relevant and
335         vect_stmt_relevant_p with additional arguments. Phis are no longer
336         put into the worklist (analyzed seperately in analyze_scalar_cycles).
337         (vect_determine_vectorization_factor): Also check for LIVE_P, because a
338         stmt that is marked as irrelevant and live, cause it's only used out
339         side the loop, may need to be vectorized (e.g. reduction).
340         (vect_analyze_operations): Examine phis. Call
341         vectorizable_live_operation for for LIVE_P stmts. Check if
342         need_to_vectorize.
343         (vect_analyze_scalar_cycles): Update documentation. Don't fail
344         vectorization - just classify the scalar cycles created by the loop
345         phis. Call vect_is_simple_reduction.
346         (vect_analyze_loop): Call to analyze_scalar_cycles moved earlier.
347         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
348         call to set_stmt_info.
349         (vect_get_vec_def_for_operand): Code reorganized - the code that
350         classifies the type of use was factored out to vect_is_simple_use.
351         (vectorizable_store, vect_is_simple_cond): Call vect_is_simple_use with
352         additional arguments.
353         (vectorizable_assignment): Likewise. Also make sure the stmt is relevant
354         and computes a loop_vec_def.
355         (vectorizable_operation, vectorizable_load, vectorizable_condition):
356         Likewise.
357         (vectorizable_live_operation): New.
358         (vect_transform_stmt): Handle LIVE_P stmts.
359         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new fields
360         STMT_VINFO_LIVE_P and STMT_VINFO_DEF_TYPE.
361         (new_loop_vec_info, destroy_loop_vec_info): Also handle phis.
362         (vect_is_simple_use): Determine the type of the def and return it
363         in a new function argument. Consider vect_reduction_def and
364         vect_induction_def, but for now these are not supported.
365         (vect_is_simple_reduction): New. Empty for now.
366         * tree-vectorizer.h (vect_def_type): New enum type.
367         (_stmt_vec_info): Added new fields - live and _stmt_vec_info.
368         (STMT_VINFO_LIVE_P, STMT_VINFO_DEF_TYPE): New accessor macros.
369         (vect_is_simple_use): New arguments added to function declaration.
370         (vect_is_simple_reduction): New function declaration.
371         (vectorizable_live_operation): New function declaration.
372
373         * tree-vect-analyze.c (vect_can_advance_ivs_p): Add debug printout.
374         (vect_can_advance_ivs_p): Likewise.
375         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Likewise.
376
377 2005-06-05  Eric Christopher  <echristo@redhat.com>
378
379         * config/mips/mips.c (mips_rtx_costs): Remove unused variable.
380
381 2005-06-05  Hans-Peter Nilsson  <hp@bitrange.com>
382
383         PR target/21914
384         * config/mmix/mmix.md ("*movdicc_real_foldable")
385         ("*movdfcc_real_foldable", "*bCC_foldable")
386         ("*bCC_inverted_foldable"): Specify DImode for register being
387         compared.
388
389 2005-06-04  Roger Sayle  <roger@eyesopen.com>
390
391         * reg-stack.c (struct block_info_def): Correct grammar typo.
392         (compensate_edge): Clean-up.  Perform as little work as possible
393         when src and dest stacks match.  Avoid modifying block_info.
394         Reorder and simplify assertion checks.  Avoid unnecessary copying
395         of regstack structure.
396         (convert_regs_1): Set the done flag here...
397         (convert_regs_2): ... instead of here.
398
399 2005-06-04  Dale Johannesen  <dalej@apple.com>
400
401         * config/rs6000/rs6000.c (no_global_regs_above): New.
402         (rs6000_emit_prologue):  Use it; cosmetic formatting fixes.
403         (rs6000_emit_epilogue):  Use it; cosmetic formatting fixes.
404         (rs6000_conditional_register_usage): Don't put Darwin PIC
405         register in global_regs.
406         (rs6000_stack_info):  Don't set lr_save_p just because Darwin 
407         PIC reg used.
408         (rs6000_emit_prologue):  Save LR in R0 around Darwin PIC setup,
409         if not done by lr_save_p.
410         * config/rs6000/rs6000.md (insnv1_internal1):  Back out 05-18 patch.
411         Use rotate instead of ashift.
412         (call_indirect_nonlocal_sysv):  Prefer CTR to LR.
413         (call_value_indirect_nonlocal_sysv):  Ditto.
414
415 2005-06-04  Jan Hubicka  <jh@suse.cz>
416
417         * cgraphunit.c (cgraph_reset_node): Break out from ...
418         (cgraph_finalize_function): ... here.
419         (cgraph_finalize_compilation_unit): Reset nodes where backend
420         removed the body.
421
422 2005-06-04  Richard Henderson  <rth@redhat.com>
423
424         PR target/21888
425         * config/alpha/alpha.c (alpha_align_insns): Don't insert nops
426         until we've passed initial ldgp.
427
428 2005-06-04  Daniel Berlin  <dberlin@dberlin.org>
429
430         * cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P.
431         * dwarf2out.c (loc_descriptor_from_tree_1): Ditto.
432         * expr.c (expand_var): Ditto.   
433         * function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too.
434         * gimplify.c (gimplify_decl_expr): Ditto.
435         (gimplify_expr): Ditto.
436         * tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P.
437         * tree.c (value_expr_for_decl): New.
438         (print_value_expr_statistics): New.
439         (init_ttree): Init value_expr_for_decl.
440         (decl_value_expr_lookup): New.
441         (decl_value_expr_insert): Ditto.
442         (copy_node_stat): Copy DECL_VALUE_EXPR status.
443         * tree.h (DECL_VALUE_EXPR): Use hashtable.
444         (SET_DECL_VALUE_EXPR): New.
445         (DECL_HAS_VALUE_EXPR_P): New.
446
447 2005-06-04  Steven Bosscher  <stevenb@suse.de>
448
449         * lcm.c: Move all mode-switching related functions from here...
450         * mode-switching.c: ...to this new file.
451         * doc/passes.texi: Update accordingly.
452
453         * basic-block.h (label_value_list): Remove extern decl.
454         * cfgrtl.c (label_value_list): Remove.
455         (can_delete_label_p): Don't look at it.
456         * cfgcleanup.c (cleanup_cfg): Don't free it.
457
458         * common.opt: Don't refer to non-existing flag_alias_check.
459
460 2005-06-04  David Edelsohn  <edelsohn@gnu.org>
461
462         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power5.
463
464 2005-06-04  Kazu Hirata  <kazu@codesourcery.com>
465
466         * function.c (prologue, epilogue, sibcall_epilogue): Change
467         their types to VEC(int,heap)*.
468         (free_after_compilation): Free the three vectors above.
469         (init_function_for_compilation, record_insns, contains,
470         prologue_epilogue_contains, sibcall_epilogue_contains,
471         reposition_prologue_and_epilogue_notes): Use VEC instead of
472         VARRAY.  (init_function_once): Remove.
473         * function.h: Remove the prototype for init_function_once.
474         * toplev.c (backend_init): Don't call init_function_once.
475
476 2005-06-04  Jan Hubicka  <jh@suse.cz>
477
478         * predict.c (tree_predict_edge): Do not predict entry edge and
479         single succestor edge.
480
481 2005-06-04  Joseph S. Myers  <joseph@codesourcery.com>
482
483         PR c/21873
484         * c-typeck.c (push_init_level): Don't pop levels without braces if
485         implicit == 1.
486
487 2005-06-03  Sebastian Pop  <pop@cri.ensmp.fr>
488         
489         * tree-data-ref.c (compute_self_dependence): New function.
490         (compute_all_dependences): Use it.
491
492 2005-06-03  Geoffrey Keating  <geoffk@apple.com>
493
494         * c-parser.c (c_parser_parms_declarator): Don't use chainon().
495         (c_parser_expr_list): Don't use chainon().
496
497         * config/darwin.h (LINK_SPEC): Pass -syslibroot to linker
498         when -isysroot passed.
499
500 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
501
502         PR c/21879
503         * c-decl.c (start_function): Restore label_context_stack_se and
504         label_context_stack_vm  if returning with an error.
505
506 2005-06-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
507
508         * configure.ac: Check declaration for asprintf, needed by
509         libiberty.h. 
510         * configure: Regenerate.
511         * config.in: Likewise.
512
513 2005-06-03  Diego Novillo  <dnovillo@redhat.com>
514
515         * tree-ssa-dom.c (record_edge_info): Use last_basic_block to
516         allocate info array.
517         * tree-vrp.c (extract_range_from_unary_expr): Set resulting
518         range to varying in cast expressions that change
519         TYPE_PRECISION.
520
521 2005-06-03  Eric Christopher  <echristo@redhat.com>
522
523         * config/mips/mips.opt: Add RejectNegative to divide-breaks and
524         divide-traps.
525
526 2005-06-03  Jan Hubicka  <jh@suse.cz>
527
528         * basic-block.h (remove_predictions_associated_with_edge): Declare.
529         * cfg.c (remove_edge): Use it.
530         * predict.c (remove_predictions_associated_with_edge): New function.
531
532 2005-06-03  Pat Haugen  <pthaugen@us.ibm.com>
533
534         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
535         Clear call_realy_used_regs[r2] when ABI_AIX.
536
537 2005-06-03  Richard Guenther  <rguenth@gcc.gnu.org>
538
539         PR middle-end/21858
540         * fold-const.c (fold_binary): Fix type mismatches in folding
541         of comparisons.
542
543 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
544
545         * cgraph.c, cgraphunit.c, config/mips/mips.c: Fix comment
546         typos.
547
548 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
549
550         * collect2.c (maybe_unlink): Use unlink_if_ordinary.
551
552 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
553
554         * reload1.c (reload): Revert my previous patch.
555
556 2005-06-03  Nick Clifton  <nickc@redhat.com>
557
558         * config/arm/semi.h (ASM_SPEC): Fix typo passing -mfloat-abi to
559         assembler.
560
561 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
562
563         PR tree-optimization/21849
564         * tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.
565
566 2005-06-02  Richard Henderson  <rth@redhat.com>
567
568         * Makefile.in (tree-vect-generic.o): New.
569         (OBJS-common, GTFILES, s-gtype): Add it.
570         * tree-complex.c (build_replicated_const, vector_inner_type,
571         vector_last_type, vector_last_nunits, build_word_mode_vector_type,
572         elem_op_func, tree_vec_extract, do_unop, do_binop, do_plus_minus,
573         do_negate, expand_vector_piecewise, expand_vector_parallel, 
574         expand_vector_addition, expand_vector_operation, 
575         type_for_widest_vector_mode, expand_vector_operations_1, 
576         gate_expand_vector_operations, expand_vector_operations, 
577         pass_lower_vector_ssa): Move to tree-vect-generic.c.
578         (tree_lower_complex): Rename from tree_lower_operations.
579         (pass_lower_complex): Rename from pass_pre_expand.
580         * tree-vect-generic.c: New file.
581         * tree-pass.h (pass_lower_complex): Rename from pass_pre_expand.
582         (pass_lower_vector): New.
583         * tree-optimize.c (init_tree_optimization_passes): Update to match.
584
585 2005-06-02  Richard Henderson  <rth@redhat.com>
586
587         * modulo-sched.c (doloop_register_get): Protect against 
588         doloop_end not defined.
589
590 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
591
592         * config/sh/sh.c (general_movsrc_operand,
593         general_movdst_operand, arith_reg_operand, arith_reg_dest,
594         logical_reg_operand, int_gpr_dest, fp_arith_reg_operand,
595         fp_arith_reg_dest, arith_operand, arith_reg_or_0_operand,
596         xor_operand, cmp_operand, logical_operand, and_operand,
597         fpscr_operand, fpul_operand, symbol_ref_operand,
598         commutative_float_operator, noncommutative_float_operator,
599         unary_float_operator, binary_float_operator,
600         binary_logical_operator, equality_comparison_operator,
601         greater_comparison_operator, less_comparison_operator,
602         shift_operator, logical_operator, target_reg_operand,
603         target_operand, mextr_bit_offset, extend_reg_operand,
604         trunc_hi_operand, extend_reg_or_0_operand, minuend_operand,
605         general_extend_operand, ua_address_operand,
606         cache_address_operand, inqhi_operand, sh_rep_vec, sh_1el_vec,
607         sh_const_vec, ua_offset, sh_register_operand, cmpsi_operand,
608         shift_count_reg_operand, shift_count_operand,
609         unaligned_load_operand): Move to ...
610         * config/sh/predicates.md: ... here.
611         * config/sh/sh.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
612         Remove.
613
614 2005-06-02  Andrew Pinski  <pinskia@physics.uc.edu>
615
616         * tree.c (build_common_builtin_nodes): Fix the return type on
617         __builtin_memcmp.
618
619 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
620
621         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Remove.
622         (find_interesting_uses_address): Use build_fold_addr_expr instead.
623         (strip_offset_1): Likewise.
624         (tree_to_aff_combination): Likewise.
625
626 2005-06-02  DJ Delorie  <dj@redhat.com>
627
628         * convert.c (convert_to_pointer): Avoid recursion if no conversion
629         is needed.
630
631 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
632
633         * tree-chrec.c (chrec_fold_plus_1): Ensure we build
634         binary operations with the correct types.
635         * tree-ssa-loo-ivopts.c (idx_find_step): Use sizetype
636         for all computation.
637
638 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
639
640         * tree-vrp.c, config/arm/arm.md, config/arm/arm1020e.md,
641         config/rs6000/rs6000.md: Fix comment typos.  Follow splling
642         conventions.
643         * doc/install.texi: Fix a typo.
644
645 2005-06-02  Jan Hubicka  <jh@suse.cz>
646
647         * cgraphunit.c (cgraph_function_and_variable_visibility): Extern
648         inline functions are not local.
649
650 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
651
652         * gimplify.c (gimplify_ctx): Change the type of case_labels to
653         VEC from VARRAY.
654         (gimplify_switch_expr, gimplify_case_label_expr): Adjust uses
655         of case_labels.
656
657 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
658
659         * c-typeck.c (build_indirect_ref): Build INDIRECT_REF
660         with correct type.
661
662 2005-06-02  Ulrich Weigand  <uweigand@de.ibm.com>
663
664         * config/s390/s390.c (s390_add_execute): Do not handle out-of-pool
665         execute templates.
666         (s390_dump_pool): Likewise.
667         (s390_mainpool_start, s390_mainpool_finish): Likewise.
668         (s390_chunkify_start): Likewise.
669         (s390_dump_execute): Remove.
670         (s390_reorg): Handle out-of-pool execute templates.
671
672 2005-06-02  Adrian Straetling  <straetling@de.ibm.com>
673
674         * optabs.c: (expand_bool_compare_and_swap): Emit barrier after
675           unconditional jump.
676
677 2005-06-02  Jan Hubicka  <jh@suse.cz>
678
679         * cgraph.c (cgraph_node): Maintain master clones.
680         (cgraph_remove_node): Likewise.
681         (availability_names): New static variable.
682         (dump_cgraph_node): Dump availability.
683         (dump_cgraph_varpool_node): Likewise.
684         (cgraph_is_master_clone, cgraph_master_clone,
685         cgraph_function_body_availability,
686         cgraph_variable_initializer_availability): New functions.
687         * cgraph.h (availability): New enum.
688         (struct cgraph_node): Add master_clone.
689         (cgraph_is_master_clone, cgraph_master_clone,
690         cgraph_function_body_availability,
691         cgraph_variable_initializer_availability): Declare.
692         * cgraphunit.c (cgraph_expand_function): Setcgraph_function_flags_ready.
693         (cgraph_remove_unreachable_nodes): Remove unreachable nodes.
694         * ipa-inline.c (cgraph_decide_inlining): Do not call
695         cgraph_remove_unreachable_nodes.
696
697         * cgraphunit.c (cgraph_function_and_variable_visibility): Fix typo in
698         previous patch.
699
700 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
701
702         PR 21582
703         * tree-vrp.c (nonnull_arg_p): New.
704         (get_value_range): Call it.
705
706 2005-06-02  Eric Christopher  <echristo@redhat.com>
707
708         * config/mips/mips.h (processor_type): Remove PROCESSOR_DEFAULT,
709         add PROCESSOR_MAX.
710         (mips_rtx_cost_data): New datatype.
711         (MEMORY_MOVE_COST): Use data from structure.
712         (BRANCH_COST): Ditto.
713         (LOGICAL_OP_NON_SHORT_CIRCUIT): Define to zero.
714         * config/mips/mips.md (cpu): Rework for processor_type changes.
715         * config/mips/mips.c (mips_cost): New variable.
716         (DEFAULT_COSTS): Define.
717         (mips_rtx_cost_data): New.
718         (mips_rtx_costs): Use. Minor formatting changes. Use COSTS_N_INSNS
719         for NEG cost. Add support for FLOAT, UNSIGNED_FLOAT, FIX,
720         FLOAT_EXTEND, FLOAT_TRUNCATE, and SQRT.
721         (override_options): Set cost data.
722         (mips_register_move_cost): Formatting changes.
723         (bdesc_arrays): Use PROCESSOR_MAX.
724         (mips_init_builtins): Ditto.
725
726 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
727
728         PR 21765
729         * doc/invoke.texi: Document -ftree-vrp.
730
731 2005-06-02  Dorit Nuzman  <dorit@il.ibm.com>
732
733         PR tree-optimization/21734
734         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop): Use the
735         phi_result when current_def is not available.
736         (slpeel_update_phi_nodes_for_guard1): Don't fail if current_def is not
737         available.      
738
739 2005-06-02  David Edelsohn  <edelsohn@gnu.org>
740
741         * config/rs6000/rs6000.c (rs6000_insn_valid_within_doloop): New.
742         (TARGET_INSN_VALID_WITHIN_DOLOOP): Define.
743
744 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
745
746         * tree-vrp.c (has_assert_expr, maybe_add_assert_expr): Remove.
747
748 2005-06-02  Jan Hubicka  <jh@suse.cz>
749
750         * cgraph.c (dump_cgraph_node): Print new flags.
751         (dump_cgraph_varpool_node): Likewise.
752         (decide_variable_is_needed): Initialize externally_visible flag.
753         * cgraph.h (cgraph_local_info): Add externally_visible flag.
754         (cgraph_varpool_node): Likewise.
755         (cgraph_function_flags_ready): Declare.
756         * cgraph.c (cgraph_mark_local_functions): Rename to ...
757         (cgraph_function_and_variable_visibility) ... this one; handle
758         externally_visible flags.
759         (decide_is_function_needed): Set externally_visible flag.
760         (cgraph_finalize_function): Deal properly with early cleanups.
761         (cgraph_optimize): Update call of
762         cgraph_function_and_variable_visibility.
763
764 2005-06-02 Steven Bosscher  <stevenb@suse.de>
765            Mostafa Hagog <mustafa@il.ibm.com>
766
767         * cfgloop.h (doloop_condition_get): Make external.
768         * loop-doloop.c (doloop_condition_get): Generalize to make it
769         usable in modulo-sched.c.
770         * modulo-sched.c (doloop_register_get): Use
771         doloop_condition_get instead of duplicating it.
772
773 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
774
775         * reload1.c (reload): Undo 2005-04-20 change.  Make sure we detect
776         the correct set of init_insns that need deletion.
777         * local-alloc.c (update_equiv_regs): When substituting sole definition
778         into sole use of a reg, delete it from liveness information.
779
780 2005-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
781
782         * config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4.
783
784 2005-06-01  Diego Novillo  <dnovillo@redhat.com>
785
786         PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
787         PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
788         * fold-const.c (invert_tree_comparison): Make extern.
789         * tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
790         (struct value_range_def): Limewise.
791         (get_value_range): Remove.
792         (dump_value_range): Remove.
793         (dump_all_value_ranges): Remove.
794         (debug_all_value_ranges): Remove.
795         (vrp_evaluate_conditional): Declare.
796         * tree-ssa-propagate.c (struct prop_stats_d): Add field
797         num_pred_folded.
798         (substitute_and_fold): Add argument use_ranges_p.
799         Update all callers.
800         If use_ranges_p is true, call fold_predicate_in to fold
801         predicates using range information.
802         Ignore ASSERT_EXPRs.
803         Change debugging output to only show statements that have been
804         folded.
805         (replace_phi_args_in): Move debugging output code from
806         substitute and fold.
807         (fold_predicate_in): New local function.
808         * tree-ssa-propagate.h (enum value_range_type): Move from
809         tree-flow.h.
810         (struct value_range_d): Likewise.
811         Add field 'equiv'. 
812         (value_range_t): Rename from value_range.
813         * tree-vrp.c (found_in_subgraph): Rename from found.
814         (get_opposite_operand): Remove.
815         (struct assert_locus_d): Declare.
816         (assert_locus_t): Declare.
817         (need_assert_for): Declare.
818         (asserts_for): Declare.
819         (blocks_visited): Declare.
820         (vr_value): Declare.
821         (set_value_range): Add argument 'equiv'.
822         Don't drop to VARYING ranges that cover all values in the
823         type.
824         Make deep copy of equivalence set 'equiv'.
825         (copy_value_range): New local function.
826         (set_value_range_to_undefined): New local function.
827         (compare_values): Return -2 if either value has overflowed.
828         (range_includes_zero_p): New local function.
829         (extract_range_from_assert): Flip the predicate code if the
830         name being asserted is on the RHS of the predicate.
831         Avoid creating unnecessary symbolic ranges if the comparison
832         includes another name with a known numeric range.
833         Update the equivalnce set of the new range when asserting
834         EQ_EXPR predicates.
835         (extract_range_from_ssa_name): Update the equivalence set of
836         the new range with VAR.
837         (extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
838         If -fwrapv is used, set the resulting range to VARYING if the
839         operation overflows.  Otherwise, use TYPE_MIN_VALUE and
840         TYPE_MAX_VALUE to represent -INF and +INF.
841         Fix handling of *_DIV_EXPR.
842         (extract_range_from_unary_expr): Handle MINUS_EXPR and
843         ABS_EXPR properly by switching the range around if necessary.
844         (extract_range_from_comparison): New local function.
845         (extract_range_from_expr): Call it.
846         (adjust_range_with_scev): Do not adjust the range if using
847         wrapping arithmetic (-fwrapv).
848         (dump_value_range): Also show equivalence set.
849         Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
850         (build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
851         (infer_value_range): Change return value to bool.
852         Add arguments 'comp_code_p' and 'val_p'.
853         Do not attempt to infer ranges from statements that may throw.
854         Store the comparison code in comp_code_p.
855         Store the other operand to be used in the predicate in val_p.
856         (dump_asserts_for): New.
857         (debug_asserts_for): New.
858         (dump_all_asserts): New.
859         (debug_all_asserts): New.
860         (register_new_assert_for): New.
861         (register_edge_assert_for): New.
862         (find_conditional_asserts): New.
863         (find_assert_locations): New.
864         (process_assert_insertions_for): New.
865         (process_assert_insertions): New.
866         (insert_range_assertions): Initialize found_in_subgraph,
867         blocks_visited, need_assert_for and asserts_for.
868         Call find_assert_locations and process_assert_insertions.
869         (remove_range_assertions): Add more documentation.
870         (vrp_initialize): Change return type to void.
871         Do not try to guess if running VRP is worth it.  
872         (compare_name_with_value): New.
873         (compare_names): New.
874         (vrp_evaluate_conditional): Add argument 'use_equiv_p'.  If
875         use_equiv_p is true, call compare_names and
876         compare_name_with_value to compare all the ranges for every
877         name in the equivalence set of the predicate operands.
878         Update all callers.
879         (vrp_meet): Try harder not to derive a VARYING range.
880         If two values meet, the resulting equivalence set is the
881         intersection of the two equivalence sets.
882         (vrp_visit_phi_node): Call copy_value_range to get the current
883         range information of the LHS.
884         (vrp_finalize): Create a value vector representing all the
885         names that ended up with exactly one value in their range.
886         Call substitute_and_fold.
887         (execute_vrp): Document equivalence sets in ranges.
888         * tree.h (SSA_NAME_VALUE_RANGE): Remove.
889         (struct tree_ssa_name): Remove field value_range.
890         (invert_tree_comparison): Declare.
891
892 2005-06-01  Daniel Berlin  <dberlin@dberlin.org>
893
894         Fix PR tree-optimization/21839
895
896         * gimplify.c (zero_sized_field_decl): New function.
897         (gimplify_init_ctor_eval): Use it.
898
899 2005-06-01  Josh Conner <jconner@apple.com>
900
901         PR 21478
902         * gimplify.c (gimplify_init_constructor): Don't spill initializer
903         to read-only memory if it's sparse.
904
905 2005-06-01  Ramana Radhakrishnan  <ramana@codito.com>
906
907         * doc/rtl.texi: Remove references to NOTE_INSN_SETJMP. 
908         Add documentation for REG_SETJMP
909
910 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
911
912         * stmt.c (expand_case): Use build_int_cst.
913         (node_has_low_bound): Likewise, and correct type mismatch.
914         (node_has_high_bound): Likewise.
915         * fold-const.c (fold_binary): Ensure we build trees
916         with the correct types - undo what STRIP_NOPS possibly did.
917
918 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
919
920         * tree.h (fold_indirect_ref_1): Export from fold-const.c.
921         * fold-const.c (fold_indirect_ref_1): No longer static.
922         * tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
923         folding, if possible.
924
925 2005-06-01  Joseph S. Myers  <joseph@codesourcery.com>
926
927         * common.opt (fjump-tables): New.
928         * doc/invoke.texi (-fno-jump-tables): Document.
929         * stmt.c (expand_end_case_type): Do not emit jump tables unless
930         flag_jump_tables.
931
932 2005-06-01  Richard Earnshaw  <richard.earnshaw@arm.com>
933
934         * arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq)
935         (bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge)
936         (sunlt, sunle): Enable patterns on VFP.
937
938         * arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores,
939         f_stored, f_flag, f_cvt.
940         (generic_sched): No-longer used for the arm1020e and arm1022e cores.
941         Include arm1020e.md.
942         * vfp.md (fmstat): New cpu unit.  Add an exclusion set between it and
943         the ds and fmac pipelines.  Re-work all load and store patterns and
944         all conversion patterns to use new attributes.  Adjust reservation
945         descriptions accordingly.
946         * arm1020e.md: New file.
947         * t-arm: Add dependency.
948
949 2005-06-01  Jan Hubicka  <jh@suse.cz>
950
951         * except.c (struct eh_region): Kill unused fields.
952         * basic-block.h (struct basic_block_def): Likewise.
953
954 2005-06-01  J"orn Rennecke <joern.rennecke@st.com>
955
956         PR rtl-optimization/21767
957         * rtl.h (function_invariant_p): Re-add declaration.
958         * reload1.c (function_invariant_p): No longer static.
959         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that
960         might have become invalid.
961
962 2005-06-01  Jakub Jelinek  <jakub@redhat.com>
963
964         PR c/21536
965         PR c/20760
966         * gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes
967         on variable sizes types if a decl is a pointer to a VLA.
968         (gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE.
969         Call gimplify_type_sizes on aggregate fields.  Prevent infinite
970         recursion.
971
972         * fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST.
973
974         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps,
975         _mm_set_ps, _mm_setr_ps): Add __extension__.
976         * config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd,
977         _mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x,
978         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128):
979         Likewise.
980         (_mm_clflush): Don't use return in void function.
981
982         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128,
983         _mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd):
984         Use __inline instead of inline.
985
986 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
987
988         * fold-const.c (fold_binary): Fix types in strlen vs.
989         zero comparison folding.
990
991 2005-06-01  Richard Henderson  <rth@redhat.com>
992
993         * configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New.
994         * config.in, configure: Rebuild.
995         * config/alpha/alpha.c (print_operand): Add 'j'.
996         * alpha.md (divmodsi_internal_er_1): Use it.
997         (divmoddi_internal_er_1): Likewise.
998
999 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1000
1001         * system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison.
1002         * opts.h (print_filtered_help): Delete.
1003         * opts.c (handle_option, decode_options): Remove calls to
1004         set_target_switch.
1005         (print_target_help): New function.
1006         (common_option, print_help): Call print_target_help instead of
1007         display_target_options.
1008         (print_filtered_help): Make static.
1009         * toplev.h (display_target_options, set_target_switch): Delete.
1010         * toplev.c (target_switches, target_options, display_target_options)
1011         (set_target_switch): Delete.
1012         (print_switch_values): Remove handling of TARGET_SWITCHES and
1013         TARGET_OPTIONS.
1014         (default_get_pch_validity): Likewise.  Only treat target_flags
1015         specially if targetm.check_pch_target_flags is nonnull.
1016         (pch_option_mismatch): New function.
1017         (default_pch_valid_p): Use it.  Remove handling of TARGET_SWITCHES
1018         and TARGET_OPTIONS.  Only treat target_flags specially if
1019         targetm.check_pch_target_flags is nonnull.
1020         * config/ia64/ia64.c (ia64_override_options): Don't mention
1021         TARGET_OPTIONS in comment.
1022         * config/m68k/m68k-none.h (CC1_SPEC): Likewise.
1023         * doc/invoke.texi: Remove a reference to TARGET_SWITCHES.
1024         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the
1025         interaction with TARGET_SWITCHES.
1026         (TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
1027
1028 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1029
1030         * config/sh/sh.c (multcosts): Check sh_multcost rather than
1031         sh_multcost_str.
1032         (sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str.
1033         (sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc)
1034         (cut2_workaround_str): Delete.
1035         * config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS)
1036         (TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str)
1037         (sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete.
1038         * config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=)
1039         (mgettrcost=, multcost=): New options.
1040
1041 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1042
1043         * opts.h (cl_option_state): New structure.
1044         (get_option_state): Declare.
1045         * opts.c (get_option_state): New function.
1046         * toplev.c (option_affects_pch_p): New function.
1047         (default_get_pch_validity): Store the state of all options for which
1048         option_affects_pch_p returns true.
1049         (default_pch_valid_p): Check the state of those options here.
1050         Only check target_flags separately if targetm.check_pch_target_Flags
1051         is nonnull or if TARGET_SWITCHES is defined.
1052
1053 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
1054
1055         * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
1056         names.
1057
1058 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
1059
1060         * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.
1061
1062 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
1063
1064         * gcse.c (compute_transp, load_killed_in_block): Use 
1065         MEM_READONLY_P.
1066
1067 2005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>
1068
1069         PR target/21854
1070         * config/mips/mips-protos.h: Declare mips_use_ins_ext_p
1071         
1072 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1073
1074         * errors.h (warning, error, fatal, internal_error): Add printf
1075         attribute.
1076         * genmodes.c (make_vector_mode): Fix format arguments.
1077
1078 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1079
1080         * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
1081         config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
1082         lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
1083         tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
1084         tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
1085         tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
1086         tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
1087         tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1088         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
1089         tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
1090         tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
1091         tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
1092         tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
1093         errors.h and include toplev.h if necessary.
1094         
1095         * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
1096         errors.h otherwise include toplev.h.
1097         
1098         * Makefile.in: Update dependencies.
1099         
1100 2005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>
1101
1102         * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.
1103
1104 2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>
1105
1106         * config/rs6000/rs6000.md (sync_boolcshort_internal): New.
1107         * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
1108         be complemented for big-endian.  Mask for AND must be rotated,
1109         not shifted.  Handle short operands with NOT on the memory
1110         operation.
1111
1112 2005-05-30  Daniel Berlin  <dberlin@dberlin.org>
1113
1114         * c-objc-common.c (c_tree_printer): Check flag before hashtable.
1115         Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
1116         * dwarf2out.c (dwarf2out_var_location): Ditto.
1117         * toplev.c (default_tree_printer): Ditto.
1118         * tree-outof-ssa.c (create_temp): Ditto.
1119         * tree-sra.c (instantiate_element): Ditto.
1120         * var-tracking.c (track_expr_p): Ditto.
1121         * tree.c (struct tree_map): New structure.
1122         (debug_expr_for_decl): New.
1123         (tree_map_eq): New function.
1124         (tree_map_hash): Ditto.
1125         (tree_map_marked_p): Ditto.
1126         (print_debug_expr_statistics): Ditto.
1127         (decl_debug_expr_lookup): Ditto.
1128         (decl_debug_expr_insert): Ditto.
1129         (dump_tree_statistics): Dump debug_expr hashtable stats.
1130         * tree.h (DECL_DEBUG_EXPR): Change
1131         (SET_DECL_DEBUG_EXPR): Add.
1132         
1133 2005-06-01  Alan Modra  <amodra@bigpond.net.au>
1134
1135         * configure.ac: Add --enable-secureplt.
1136         (HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
1137         * config.in: Regenerate.
1138         * configure: Regenerate.
1139         * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
1140         rs6000/secureplt.h to tm_file when enable_secureplt.
1141         * doc/invoke.texi (msecure-plt, mbss-plt): Document.
1142         * doc/install.texi: Document --enable-targets and --enable-secureplt.
1143         Correct xrefs to "Using the GNU Compiler Collection (GCC)".
1144         * config/rs6000/secureplt.h: New file.
1145         * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
1146         (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
1147         assembler support.
1148         (CC1_SECURE_PLT_DEFAULT_SPEC): Define.
1149         (CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
1150         (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
1151         * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
1152         * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
1153         * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
1154         TARGET_SECURE_PLT got register load sequence.
1155         (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
1156         TARGET_SECURE_PLT.
1157         (rs6000_elf_declare_function_name): Don't emit toc address offset
1158         word when TARGET_SECURE_PLT.
1159         * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
1160         (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
1161         (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
1162         (call, call_value): Mark pic_offset_table_rtx used for sysv pic and
1163         TARGET_SECURE_PLT.
1164         (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
1165         sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
1166         and -fPIC.
1167         * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
1168         (__trampoline_setup): Likewise.  Init r30 before plt call.
1169
1170 2005-05-31  DJ Delorie  <dj@redhat.com>
1171
1172         * expr.c (convert_move): When a partial_int requires multiple
1173         conversion steps, make sure successive steps convert the
1174         intermediate value, not the original value.
1175
1176         * expmed.c (expand_mult): Convert partial_int multiplies to
1177         shift/add combinations too.
1178
1179         * genmodes.c (mode_data): Add wider_2x.
1180         (calc_wider_mode): Calculate twice-wider mode too.
1181         (emit_mode_wider): Emit twice-wider mode too.
1182         * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
1183         * expr.c (expand_expr_real_1): Use it for expanding
1184         multiplies.
1185
1186 2005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
1187
1188         PR tree-optimization/21817
1189         * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.
1190
1191 2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>
1192
1193         * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
1194         change.
1195
1196 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1197
1198         PR middle-end/20931
1199         PR middle-end/20946
1200         * fold-const.c (fold_checksum_tree): Copy types also if
1201         TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
1202         Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
1203         first.
1204         Tail recurse TREE_LIST's TREE_CHAIN.
1205
1206 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1207
1208         PR tree-opt/21732
1209         * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
1210         SSA_NAME twice and cause the loop to become finite.  Remove the test
1211         for val.
1212
1213 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
1214
1215         * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
1216         expression.
1217
1218 2005-05-31  Richard Sandiford  <rsandifo@redhat.com>
1219
1220         * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
1221         the documentation to make it more future-proof.
1222         (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
1223         * target.h (gcc_target): Add check_pch_target_flags.
1224         * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
1225         (TARGET_INITIALIZER): Include it.
1226         * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
1227         * config/sh/sh-protos.h (sh_pch_valid_p): Delete.
1228         * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
1229         (sh_check_pch_target_flags): New function.
1230         (TARGET_CHECK_PCH_TARGET_FLAGS): Override default.
1231
1232 2005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>
1233
1234         * fold-const.c (extract_array_ref): Handle more cases,
1235         do some useful canonicalization of the base.
1236         (fold_binary): Explicitly deal with arrays of zero-sized
1237         structures during folding of &a[i] == &a[j].
1238
1239 2005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
1240
1241         * doc/install.texi (sparc-sun-solaris2*): Update note
1242         about Sun bug 4910101.
1243         (sparc-sun-solaris2.7): Document bootstrap
1244         failure with Sun WorkShop 6 99/08/18 as.
1245
1246 2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
1247
1248         * loop.c (loop_invariant_p, valid_initial_value_p): Use
1249         regs_invalidated_by_call instead of call_used_regs.
1250
1251 2005-05-30  Paolo Carlini  <pcarlini@suse.de>
1252
1253         PR middle-end/21743
1254         * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
1255         Enable.
1256         * doc/extend.texi: Add clog, clogf, clogl.
1257
1258 2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>
1259
1260         PR middle-end/20303
1261         * c-pragma.c: Include "vec.h".
1262         (handle_pragma_visibility): Use VEC.
1263
1264         * doc/invoke.texi: Remove the nested visibility push limit.
1265
1266 2005-05-30  Roger Sayle  <roger@eyesopen.com>
1267
1268         PR rtl-optimization/15422
1269         * reg-stack.c (starting_stack_p): New static global.
1270         (straighten_stack): Delete prototype. Change to update the stack
1271         before the current insn.
1272         (subst_stack_regs): Update call to straighten stack.
1273         (emit_swap_insn): Delete prototype.  For the first insn in a
1274         basic block, update stack_in instead of emitting a real swap.
1275         (change_stack): When changing the stack before the first insn
1276         in a basic block, update stack_in instead of emitting real code.
1277         (compensate_edges): Clear starting_stack_p during compensation.
1278         (convert_regs_1): Keep track of starting_stack_p whilst processing
1279         a basic block.
1280
1281 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
1282
1283         * tree-ssa-ccp.c (const_val): Make it static.
1284
1285 2005-05-29  Geoffrey Keating  <geoffk@apple.com>
1286
1287         PR target/21761
1288         * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
1289         pattern involving `:P'.
1290
1291         * Makefile.in (install-cpp): Depend on installdirs.
1292
1293 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
1294
1295         * tree-outof-ssa.c (_elim_graph): Change the type of edge_list
1296         to VEC(int,heap)*.
1297         (new_elim_graph, clear_elim_graph, delete_elim_graph,
1298         elim_graph_add_edge, elim_graph_remove_succ_edge,
1299         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
1300         instead of VARRAY.
1301
1302 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
1303
1304         * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
1305         opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
1306         tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
1307         follow spelling conventions in error/dump messages.
1308
1309 2005-05-29  Roger Sayle  <roger@eyesopen.com>
1310             Richard Henderson  <rth@redhat.com>
1311
1312         * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
1313         if the RHS isn't suitable for calling emit_move_insn.
1314
1315 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
1316
1317         * tree-ssa-ccp.c (ccp_fold): Return immediately after calling
1318         fold_unary and fold_binary.
1319
1320 2005-05-29  Roger Sayle  <roger@eyesopen.com>
1321
1322         * reg-stack.c (propagate_stack): Always copy the source stack to
1323         the destination.  This routine is now only called when this is safe.
1324         (better_edge): New function split out from convert_regs_1 to
1325         determine which of two edges is better to propagate across.
1326         (convert_regs_1):  We need only search for a best edge if the
1327         stack layout hasn't been defined yet.  Use better_edge to help
1328         find beste.  No longer traverse unnecessary edges.
1329
1330 2005-05-29  Keith Besaw  <kbesaw@us.ibm.com>
1331
1332         * tree-ssa-alias.c (new_type_alias): New procedure to
1333         create a type memory tag for a pointer with a may-alias
1334         set determined from a variable declaration.
1335         * tree-flow.h: export declaration of new_type_alias
1336         * tree-optimize.c (init_tree_optimization_passes): document
1337         that pass_may_alias cannot be called after pass_vectorize.
1338         * tree-vect-transform (vect_create_data_ref_ptr): Call
1339         new_type_alias when an type memory tag isn't available
1340         for a reference.
1341         (vectorizable_store): Use copy_virtual_operands to update
1342         virtual defs in place (so that loop_version can be called).
1343         Call mark_for_renaming for the virtual defs in case peeling
1344         is done and virtual uses outside the loop need to be updated.
1345
1346 2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
1347
1348         PR tree-optimization/21639
1349         * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
1350
1351 2005-05-29  Jan Hubicka  <jh@suse.cz>
1352
1353         PR tree-optimization/21562
1354         * cfgexpand.c (construct_init_block): Deal properly with the case
1355         of entry edge not pointing to very first basic block.
1356
1357 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
1358
1359         * tree-ssa-ccp.c (ccp_fold): Remove code that produces
1360         non-gimple min invariant.
1361
1362         * Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
1363         * tree-flow.h: Add prototypes for start_recording_case_labels
1364         and end_recording_case_labels.
1365         * tree-cfg.c (start_recording_case_labels,
1366         end_recording_case_labels): Export.
1367         (cleanup_tree_cfg_loop, modified_noreturn_calls,
1368         cleanup_control_flow, cleanup_control_expr_graph,
1369         remove_fallthru_edge, phi_alternatives_equal,
1370         tree_forwarder_block_p, has_abnormal_incoming_edge_p,
1371         remove_forwarder_block, cleanup_forwarder_blocks,
1372         remove_forwarder_block_with_phi, merge_phi_nodes,
1373         gate_merge_phi, pass_merge_phi): Move to ...
1374         * tree-cfgcleanup.c: ... here.
1375
1376         * basic-block.h: Remove forward declaration of bb_ann_d.
1377
1378 2005-05-28  Jan Hubicka  <jh@suse.cz>
1379
1380         * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
1381         Update profile.
1382         * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
1383         debug output.
1384         (tree_mod_subtract): Fix profile updating code.
1385         (tree_divmod_values_to_profile): Do not produce useless value profilers
1386         for divisions.
1387
1388 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
1389
1390         * tree-ssa-dom.c (vrp_element_p): Define.
1391         (vrp_hash_elt): Change the type of records to
1392         VEC(vrp_element_p,heap).
1393         (vrp_free): New.
1394         (tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
1395         Update uses of VRP records.
1396         (simplify_cond_and_lookup_avail_expr, record_range): Update
1397         uses of VRP records.
1398
1399         * tree-inline.c (cfun_stack): Change the type to
1400         VEC(function_p,heap).
1401         (push_cfun, pop_cfun): Use VEC instead of VARRAY.
1402
1403 2005-05-27  Ian Lance Taylor  <ian@airs.com>
1404
1405         * c-decl.c (add_stmt): Add C frontend specific version.
1406         (stmts_are_full_exprs_p): Remove.
1407         * c-common.h (STMT_IS_FULL_EXPR_P): Remove.
1408         (stmts_are_full_exprs_p): Don't declare.
1409         * c-semantics.c (add_stmt): Remove.
1410
1411 2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1412
1413         * config/mips/mips-protos.h (mips_declare_object): Add printf
1414         attribute.
1415         * config/mips/mips.c (mips_declare_object_name): Fix format
1416         argument.
1417
1418 2005-05-27  Roger Sayle  <roger@eyesopen.com>
1419
1420         * reg-stack.c (compensate_edge): Remove original prototype.
1421         (propagate_stack): New function to copy the stack layout
1422         at the start of a basic block from the layout at the end of
1423         one of its predecessors.
1424         (compensate_edge): Assume that both source and destination
1425         blocks have already had their stack layouts defined.
1426         (compensate_edges): Traverse all non-entry edges in the CFG
1427         and call compensate_edge on each in turn.
1428         (convert_regs_1): Change return type to void.  Call
1429         propagate_stack instead of compensate_edge.
1430         (convert_regs_2): Change return type to void.  Update call
1431         to convert_regs_1 to ignore the (now void) return value.
1432         (convert_regs): Update calls to convert_regs_2 to ignore
1433         the (now void) return value.  After all the basic blocks have
1434         been processed, call compensate_edges to actually emit new
1435         insns.
1436         (reg_to_stack): Initialize the aux info for each basic block
1437         with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.
1438
1439 2005-05-28  Jan Hubicka  <jh@suse.cz>
1440
1441         * except.c (can_throw_internal_1, can_throw_external_1): Add 
1442         "is_resx" argument.
1443         (can_throw_external, can_throw_internal): Bring into sync wrt
1444         dealing resx.
1445         * except.h (can_throw_internal_1, can_throw_external_1): Update
1446         prototype.
1447         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
1448         Deal properly with resx.
1449
1450 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
1451
1452         * basic-block.h (basic_block_def): Add phi_nodes and
1453         predictions.  Remove tree_annotations.
1454         * predict.c (tree_predicted_by_p, tree_predict_edge,
1455         combine_predictions_for_bb): Adjust references to predictions.
1456         * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
1457         create_block_annotation.
1458         (create_block_annotation, free_blocks_annotatios,
1459         clear_blocks_annotations): Remove.
1460         (dump_cfg_stats): Don't print out the memory spent on
1461         bb_ann_d.
1462         (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
1463         * tree-flow-inline.h (bb_ann): Remove.
1464         (phi_nodes, set_phi_nodes): Update references to phi_nodes.
1465         * tree-flow.h (bb_ann_d): Remove.
1466         * tree-if-conv.c (process_phi_nodes): Update a reference to
1467         phi_nodes.
1468         * tree-phinodes.c (reserve_phi_args_for_new_edge,
1469         create_phi_node, remove_phi_node): Likewise.
1470         * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
1471         * tree-ssa-dom.c (threaded_blocks): New.
1472         (tree_ssa_dominator_optimize): Initialize, clear, and free
1473         threaded_blocks. Update a call to thread_through_all_blocks.
1474         (thread_across_edge): Use threaded_blocks instead of setting
1475         incoming_edge_threaded.
1476         * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
1477         a bitmap of blocks that are threaded through.
1478         * tree.h: Move the prototype of threaded_through_blocks to
1479         tree-flow.h.
1480
1481         * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
1482         fini_walk_dominator_tree): Use VEC instead of VARRAY.
1483         * domwalk.h (dom_walk_data): Change the type of
1484         block_data_stack and free_block_data to VEC(void_p,heap)*.
1485         * tree-ssa-dse.c (dse_initialize_block_local_data,
1486         dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
1487         VEC instead of VARRAY.
1488
1489 2005-05-27  Jan Hubicka  <jh@suse.cz>
1490
1491         * cgraph.c: Include tree-gimple.h
1492         (cgraph_edge): Rename expr to stmt.
1493         (cgraph_create_edge): Likewise.
1494         (cgraph_clone_node): Likewise.
1495         * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
1496         * cgraphunit.c (record_call_1): Rename to ...
1497         (record_reference): ... this one; do not build edges.
1498         (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
1499         (current_basic_block): Kill.
1500         (cgraph_create_edges): Rewrite to work on gimple statements nicely.
1501         (verify_cgraph_node): Likewise.
1502         * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
1503         (copy_bb): Mess up with cgraph edges here; simplify EH handling.
1504         (copy_edges_for_bb): Simplify EH handling.
1505         (expand_call_inline): Pass statement to cgraph_edge and
1506         cgraph_create_edge.
1507
1508 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
1509
1510         * tree-inline.c (copy_body_r): Manually fold *& to deal
1511         with ADDR_EXPRs with mismatched types for now.
1512
1513         * gimplify.c (fold_indirect_ref_rhs): New function.
1514         (gimplify_modify_expr_rhs): Use it instead of pessimistic
1515         fold_indirect_ref.
1516
1517         * fold-const.c (fold_indirect_ref_1): Add type argument;
1518         make sure the resulting expression is of this type.
1519         (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
1520
1521 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
1522
1523         PR tree-optimization/21658
1524         * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
1525         fold_binary_to_constant.  Likewise, call fold_unary instead of
1526         fold_unary_to_constant.
1527
1528 2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
1529
1530         * vec.h: Implement integral type vector specialization.
1531         (VEC_T): Define a non-GTY structure.
1532         (VEC_T_GTY): Define a GTY structure.
1533         (VEC_TA): Rename to ...
1534         (VEC_TA_GTY): ... here.
1535         (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
1536         (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
1537         (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
1538         DEF_VEC_P and DEF_VEC_ALLOC_P.
1539         (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
1540         (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
1541         DEF_VEC_O and DEF_VEC_ALLOC_O.
1542         * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
1543         * lambda-code.c: Likewise.
1544         * tree-into-ssa.c: Likewise.
1545         * tree-ssa-live.c: Likewise.
1546
1547 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
1548
1549         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
1550         is up-to-date.
1551         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
1552         update_stmt_if_modified before calling update_ssa.
1553
1554 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
1555
1556         * config/rs6000/t-rtems: Remove roe multilib variant.
1557
1558 2005-05-26  Roger Sayle  <roger@eyesopen.com>
1559
1560         PR tree-optimization/9814
1561         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
1562         instruction, add the necessary clobbers by re-expanding the RTL
1563         for arithmetic operations via optab.c's expand_unop/expand_binop.
1564         (noce_try_bitop): New function to optimize bit manipulation idioms
1565         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
1566         (noce_process_if_block): Call noce_try_bitop.
1567
1568 2005-05-26  Roger Sayle  <roger@eyesopen.com>
1569
1570         * reg-stack.c (convert_regs_entry, convert_regs_exit,
1571         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
1572         (reg_to_stack): Move to end of the file.  Initialize the per
1573         basic block information here, instead of...
1574         (convert_regs_entry): Here.
1575         (convert_regs): Change unused return type to void.
1576
1577 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
1578
1579         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
1580         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
1581         config/rs6000/eabispe.h, config/rs6000/lynx.h,
1582         config/sh/elf.h, config/sh/symbian-pre.h,
1583         config/sparc/sparc-protos.h: Update copyright.
1584
1585 2005-05-26  Mike Stump  <mrs@apple.com>
1586
1587         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
1588         for Objective-C++.
1589         
1590 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
1591
1592         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1593         See through ADDR_EXPR in finding place to propagate into.
1594
1595 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
1596
1597         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
1598         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
1599         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
1600         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
1601         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
1602         tree-ssa-operands.c, tree-vect-analyze.c,
1603         tree-vect-transform.c, tree-vectorizer.c, tree.c,
1604         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
1605         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
1606         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
1607         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
1608         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
1609         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
1610         config/sh/ushmedia.h, config/sparc/sparc.c,
1611         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
1612         typos.  Follow spelling conventions.
1613         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
1614         Follow spelling conventions.
1615
1616 2005-05-26  David Ung  <davidu@mips.com>
1617
1618         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
1619         that determines whether the MIPS32/64 R2 ext/ins should be used.
1620         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
1621         * config/mips/mips.md (extzv): Changed predicate for operand to
1622         nonimmediate_operand. Add code to generate insn patterns for
1623         extzvsi and extzvdi.
1624         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
1625         (insv): Similarly for insertion.
1626         (insv<mode>): Similarly.
1627
1628 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
1629
1630         * simplify-rtx.c (avoid_constant_pool_reference): Support
1631         offsetted addresses in the constant pool.
1632
1633 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
1634
1635         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
1636         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
1637
1638 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
1639
1640         PR target/21716
1641         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
1642         found in the basic block and last insn in the basic block is not
1643         INSN_P.  Remove explicit unspec numbers that are no longer valid
1644         from comments.
1645
1646 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
1647
1648         * tree-vect-transform.c (vectorizable_operation): Try word_mode
1649         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
1650         if a vector mode is available.
1651
1652 2005-05-25  Roger Sayle  <roger@eyesopen.com>
1653
1654         PR middle-end/21709
1655         * fold-const.c (const_binop): Check for division by zero during
1656         complex division.
1657
1658 2005-05-26  Ian Lance Taylor  <ian@airs.com>
1659
1660         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
1661         having a declaration after a statement.
1662
1663 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
1664
1665         * opt-functions.awk (var_type): New function.
1666         (var_set): Use CLVC_STRING if var_type returns "const char *".
1667         * opth-gen.awk: Use var_type to find out the types of variables.
1668         Don't print comments above each "extern" definition.
1669         * optc-gen.awk: Use var_type in the same way.
1670         * opts.h (cl_var_cond): Rename to...
1671         (cl_var_type): ...this.  Add CLVC_STRING.
1672         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
1673         with "var_type".
1674         * opts.c (handle_option, option_enabled): Update after above name
1675         change.  Cast flag_var before using it.  Handle CLVC_STRING.
1676         
1677         * config/alpha/alpha.h (alpha_tls_size): Delete.
1678         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
1679         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
1680         (alpha_fptm_string, alpha_mlat_string): Delete.
1681         (alpha_handle_option): Don't set the above variables here.  Use the
1682         integer argument to check the validity of -mtls-size=.
1683         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
1684         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
1685         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
1686         variable to 32.
1687
1688         * config/arc/arc.c (arc_cpu_string, arc_text_string)
1689         (arc_data_string, arc_rodata_string): Delete.
1690         (arc_handle_option): Don't set the above variables here.
1691         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
1692         and initialize them.
1693
1694         * config/arm/arm.c (target_fpu_name, target_fpe_name)
1695         (target_float_abi_name, target_abi_name, structure_size_string)
1696         (arm_pic_register_string): Delete.
1697         (arm_handle_option): Don't set the above variables here, except
1698         in the handling of -mhard-float and -msoft-float.
1699         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
1700         (mpic-register=, mstructure-size-boundary=): Add Var()s.
1701
1702         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
1703         (avr_handle_option): Delete.
1704         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
1705         them.
1706
1707         * config/bfin/bfin.c (bfin_library_id): Delete.
1708         (bfin_handle_option): Don't set it.
1709         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
1710
1711         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
1712         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
1713         (c4x_handle_option): Don't set c4x_rpts_cycles here.
1714         * config/c4x/c4x.opt (mrpts=): Add Var().
1715
1716         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
1717         cris_elinux_stacksize_str here.
1718         * config/cris/aout.opt (melinux-stacksize=): Add Var().
1719         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
1720         (cris_tune_str, cris_elinux_stacksize_str): Delete.
1721         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
1722         (cris_tune_str, cris_elinux_stacksize_str): Delete.
1723         (cris_handle_option): Don't set the above variables here.
1724         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
1725         (max-stackframe=): Add Var()s.
1726
1727         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
1728         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
1729         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
1730         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
1731         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
1732         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
1733         (ix86_handle_option): Don't set the above variables here.
1734         * config/i386/i386.opt (malign-functions=, malign-jumps=)
1735         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
1736         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
1737         Var()s.
1738
1739         * config/ia64/ia64.h (ia64_tls_size): Delete.
1740         * config/ia64/ia64.c (ia64_tls_size): Delete.
1741         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
1742         reading the integer argument from the "value" parameter.  Don't
1743         set ia64_tls_size here.
1744         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
1745         Add Var() and Init().
1746
1747         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
1748         (m32r_cache_flush_trap): Delete.
1749         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
1750         (m32r_cache_flush_trap): Delete.
1751         (m32r_handle_option): Don't set the above variables when handling
1752         -mflush-func= and -mflush-trap=.
1753         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
1754         and Init()s.
1755
1756         * config/mips/mips.h (mips_cache_flush_func): Delete.
1757         * config/mips/mips.c (mips_arch_string, mips_tune_string)
1758         (mips_cache_flush_func): Delete.
1759         (mips_handle_option): Don't set the above variables when handling
1760         -march=, -mtune= and -mflush-func=.
1761         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
1762
1763         * config/s390/s390.c (s390_arch_string): Delete.
1764         (s390_handle_option): Don't set it here.
1765         * config/s390/s390.opt (march=): Add Var().
1766
1767         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
1768         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
1769         (sparc_handle_option): Don't set it here.
1770         * config/sparc/sparc.opt (mcmodel=): Add Var().
1771
1772 2005-05-25  Roger Sayle  <roger@eyesopen.com>
1773
1774         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
1775         call to convert_to_integer by building the NOP_EXPR directly.
1776
1777 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
1778
1779         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
1780
1781 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
1782             Jeff Law  <law@redhat.com>
1783
1784         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
1785         constant and side_effects of the ADDR_EXPR are consistent.
1786
1787         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
1788         appropriately around calls to recompute_tree_invarant_for_addr_expr.
1789
1790 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
1791
1792         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
1793         (s390_function_arg, s390_gimplify_va_arg): Use them.
1794         (s390_register_info): Save only required subset of argument
1795         registers into save area for va_list.
1796         (s390_va_start): Initialize only required elements of va_list struct.
1797         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
1798
1799 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
1800
1801         * reload1.c (verify_initial_elim_offsets): Return boolean status
1802         instead of aborting.
1803         (reload): Adapt verify_initial_elim_offsets call site.  Restart
1804         main loop if some initial elimination offsets changed.
1805
1806 2005-05-25  Adam Nemet  <anemet@lnxw.com>
1807
1808         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
1809         of -mno-svr4-struct-return.
1810
1811 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
1812
1813         Fix PR tree-optimization/21705
1814         
1815         * tree-ssa-pre.c (in_fre): New static variable.
1816         (create_value_expr_from): Recursively value number reference ops
1817         in argument lists.
1818         (can_value_number_call): Temporary restrict only exists for
1819         PRE, not FRE.
1820
1821 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
1822
1823         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
1824         sizeof (bitmap *) with sizeof (bitmap).
1825
1826 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
1827
1828         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
1829         condition.
1830
1831 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
1832
1833         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
1834         hook_bool_rtx_true.
1835
1836 2005-05-25  Jan Hubicka  <jh@suse.cz>
1837
1838         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
1839         * cgraph.c (cgraph_create_node): Reset estimated_growth.
1840         * cgraph.h (cgraph_global_info): Add estimated_growth.
1841         * ipa-inline.c: Include coverage.h
1842         (max_insns, max_count): New static variables.
1843         (cgraph_estimate_size_after_inlining): Cache the result.
1844         (cgraph_estimate_growth):
1845         * passes.c (rest_of_clean_state): Kill coverage_end_function.
1846         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
1847         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
1848         inlining.
1849         (ipa_passes): Initialize bitmaps.
1850
1851 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
1852
1853         * loop-doloop.c: Include "target.h". 
1854           (doloop_valid_p): Move tests to function in targhooks.c.
1855         * target.h (struct gcc_target): New target hook
1856           "insn_valid_within_doloop".
1857         * target-def.h: Define default value for "insn_valid_within_doloop".
1858           (TARGET_INITIALIZER): Insert new target hook into initializer.
1859         * targhooks.c (default_insn_valid_within_doloop): New function.
1860         * targhooks.h (default_insn_valid_within_doloop): Declare.
1861         * hooks.c (hook_bool_rtx_true): New function.
1862         * hooks.h (hook_bool_rtx_true): Declare.
1863         * doc/tm.texi: Add documentation for new target hook.
1864
1865 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
1866
1867         PR target/21412
1868         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
1869         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
1870         (sparc_tls_referenced_p): New prototype.
1871         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
1872         (sparc_expand_move): Look for TLS addresses with constant offsets.
1873         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
1874         tls_symbolic_operand.
1875         (legitimate_pic_operand_p): Likewise.
1876         (legitimate_address_p): Likewise.
1877         (legitimize_address): Likewise.
1878         (sparc_tls_symbol_ref_1): New function.
1879         (sparc_tls_referenced_p): New function.
1880         * config/sparc/predicates.md (tgd_symbolic_operand): Use
1881         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
1882         (tld_symbolic_operand): Likewise.
1883         (tie_symbolic_operand): Likewise.
1884         (tle_symbolic_operand): Likewise.
1885
1886 2005-05-24  DJ Delorie  <dj@redhat.com>
1887         
1888         * common.opt (-Wattributes): New.  Default true.
1889         * doc/invoke.texi (-Wno-attributes): Document.
1890         
1891         * attribs.c (decl_attributes): Move warning control from if() to
1892         warning(OPT_*).
1893         * c-common.c (handle_packed_attribute): Likewise.
1894         (handle_nocommon_attribute): Likewise.
1895         (handle_common_attribute): Likewise.
1896         (handle_noreturn_attribute): Likewise.
1897         (handle_noinline_attribute): Likewise.
1898         (handle_always_inline_attribute): Likewise.
1899         (handle_used_attribute): Likewise.
1900         (handle_unused_attribute): Likewise.
1901         (handle_const_attribute): Likewise.
1902         (handle_transparent_union_attribute): Likewise.
1903         (handle_constructor_attribute): Likewise.
1904         (handle_destructor_attribute): Likewise.
1905         (handle_mode_attribute): Likewise.
1906         (handle_alias_attribute): Likewise.
1907         (handle_visibility_attribute): Likewise.
1908         (handle_tls_model_attribute): Likewise.
1909         (handle_malloc_attribute): Likewise.
1910         (handle_returns_twice_attribute): Likewise.
1911         (handle_pure_attribute): Likewise.
1912         (handle_deprecated_attribute): Likewise.
1913         (handle_vector_size_attribute): Likewise.
1914         (handle_nothrow_attribute): Likewise.
1915         (handle_cleanup_attribute): Likewise.
1916         (handle_warn_unused_result_attribute): Likewise.
1917         (handle_sentinel_attribute): Likewise.
1918         * c-decl.c (diagnose_mismatched_decls): Likewise.
1919         (start_decl): Likewise.
1920         (grokdeclarator): Likewise.
1921         (start_function): Likewise.
1922         * c-format.c (check_function_format): Likewise.
1923         * stor-layout.c (place_field): Likewise.
1924         (finalize_record_size): Likewise.
1925         * tree.c (handle_dll_attribute)): Likewise.
1926         * varasm.c (default_assemble_visibility): Likewise.
1927         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
1928         (darwin_assemble_visibility): Likewise.
1929         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
1930         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
1931         (arm_handle_isr_attribute): Likewise.
1932         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
1933         (avr_handle_fndecl_attribute): Likewise.
1934         * config/bfin/bfin.c (handle_int_attribute): Likewise.
1935         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
1936         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
1937         (h8300_handle_eightbit_data_attribute): Likewise.
1938         (h8300_handle_tiny_data_attribute): Likewise.
1939         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
1940         (ix86_handle_regparm_attribute): Likewise.
1941         (ix86_handle_struct_attribute): Likewise.
1942         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
1943         (i386_pe_encode_section_info): Likewise.
1944         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1945         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
1946         (ip2k_handle_fndecl_attribute): Likewise.
1947         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
1948         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
1949         (m68hc11_handle_fntype_attribute): Likewise.
1950         (m68hc11_encode_section_info): Likewise.
1951         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1952         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1953         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
1954         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
1955         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
1956         (sh_handle_sp_switch_attribute): Likewise.
1957         (sh_handle_trap_exit_attribute): Likewise.
1958         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
1959         (sh_symbian_handle_dll_attribute): Likewise.
1960         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
1961         (xstormy16_handle_below100_attribute): Likewise.
1962         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1963
1964         * c-common.c (unsigned_conversion_warning): Move warning control
1965         from if() to warning(OPT_*).
1966         (c_common_truthvalue_conversion): Likewise.
1967         (c_do_switch_warnings): Likewise.
1968         * c-decl.c (diagnose_mismatched_decls): Likewise.
1969         (diagnose_mismatched_decls): Likewise.
1970         (define_label): Likewise.
1971         (grokdeclarator): Likewise.
1972         * c-format.c (check_format_info): Likewise.
1973         * c-lex.c (interpret_integer): Likwise.
1974         (lex_string): Likewise.
1975         * c-opts.c (c_common_post_options): Likewise.
1976         * c-parser.c (c_parser_unary_expression): Likewise.
1977         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
1978         (handle_pragma_extern_prefix): Likewise.
1979         * c-typeck.c (build_binary_op): Likewise.
1980         * gcse.c (is_too_expensive): Likewise.
1981         * opts.c (decode_options): Likewise.
1982         * stor-layout.c (place_field): Likewise.
1983         * tree-cfg.c (remove_bb): Likewise.
1984
1985         * c.opt (-Wreturn-type): Add Var(warn_return_type).
1986         * flags.h (warn_return_type): Remove.
1987         * toplev.c (warn_return_type): Likewise.
1988
1989 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
1990
1991         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
1992         existence of long long and __int64 before determining their size.
1993         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
1994         * configure, config.h.in:  Regenerate.
1995
1996 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
1997
1998         * configure: Regenerate.
1999
2000 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
2001
2002         * c-common.h (objc_comptypes): Remove prototype.
2003         (objc_compare_types): New prototype.
2004         (objc_volatilized_decl): Likewise.
2005         (objc_type_quals_match): Likewise.
2006         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
2007         objc_volatilize_decl().
2008         * c-typeck.c (comp_target_types): Remove third parameter; do
2009         not call objc_comptypes().
2010         (comptypes): Remove calls to objc_comptypes().
2011         (build_function_call): Extend compatible prototype check to ObjC.
2012         (build_conditional_expr): Adjust call to comp_target_types().
2013         (convert_for_assignment): Call objc_compare_types() instead of
2014         objc_comptypes(); adjust calls to comp_target_types(); call
2015         objc_type_quals_match() before issuing qualifier mismatch
2016         warnings.
2017         (build_binary_op): Call objc_compare_types() before issuing
2018         pointer mismatch warnings; adjust calls to
2019         comp_target_types().
2020         * stub-objc.c (objc_comptypes): Remove stub.
2021         (objc_compare_types): New stub.
2022         (objc_volatilized_decl): Likewise.
2023         (objc_type_quals_match): Likewise.
2024
2025 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
2026
2027         * config/ia64/ia64intrin.h: Define nothing for C++:
2028         overloaded builtins have been ported to C++.
2029
2030 2005-05-24  Jeff Law  <law@redhat.com>
2031
2032         * tree-nested.c (build_addr): New "context" argument.  Temporarily
2033         set current_function_decl around the call to build the ADDR_EXPR.
2034         (get_static_chain): Pass proper context to build_addr.
2035         (convert_nl_goto_reference): Likewise.
2036         (convert_tramp_reference): Likewise.
2037         (final_nesting_tree_1): Likewise.
2038         * tree-profile.c (tree_gen_interval_profiler): Likewise.
2039         (tree_gen_pow2_profiler): Likewise.
2040         (tree_gen_one_value_profiler): Likewise.
2041         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
2042         * tree.h (build_addr): Update prototype.
2043
2044 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
2045
2046         * tree-flow.h (bb_ann_d): Remove has_escape_site.
2047         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
2048         write to has_escape_site.
2049
2050 2005-05-24  Jeff Law  <law@redhat.com>
2051
2052         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
2053         * tree-cfg.c: Include tree-ssa-propagate.h.
2054         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
2055         needed.
2056
2057 2005-05-24  Nick Clifton  <nickc@redhat.com>
2058
2059         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2060         __NO_FPRS__ when 'f' class registers will not be available. 
2061
2062 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2063
2064         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
2065         nothing was done.
2066         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
2067         nothing then FAIL.
2068         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
2069         prototype.
2070
2071 2005-05-23  Jeff Law  <law@redhat.com>
2072
2073         * tree-ssa-dom.c (cprop_into_stmt): Do not call
2074         recompute_tree_invariant_for_addr_expr here.
2075         (optimize_stmt): Call it here instead and do so if anything
2076         at all has changed in the statement and the RHS is an ADDR_EXPR.
2077         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
2078         needed, call recompute_tree_invariant_for_addr_expr.
2079         * tree-ssa-propagate.c (substitute_and_fold): Call
2080         recompute_tree_invariant_for_addr_expr as needed.
2081
2082 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
2083
2084         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
2085         saving less registers than the replacement.
2086
2087 2005-05-23  Jan Hubicka  <jh@suse.cz>
2088
2089         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
2090
2091 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
2092
2093         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
2094         * config/sparc/sparc.c (sparc_expand_move): New function.
2095         (sparc_emit_set_const64): Rewrite assert condition on entry.
2096         (legitimate_constant_p) <CONST_VECTOR>: New case.
2097         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
2098         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
2099         movV64, movtf): Use nonimmediate_operand for the first operand.
2100         Rewrite.  Only invoke sparc_expand_move.
2101         * config/sparc/predicates.md (input_operand): Reorder tests.
2102
2103 2005-05-23  Jan Beulich  <jbeulich@novell.com>
2104
2105         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
2106         missing return statement.
2107
2108 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2109
2110         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
2111         emit_move_insn for moves to TFmode stack slots.
2112
2113 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
2114
2115         * tree-stdarg.c (execute_optimize_stdarg): Handle references
2116         to va_list of the form &va[0].
2117
2118 2005-05-20  Jan Hubicka  <jh@suse.cz>
2119
2120         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
2121         * genemit.c (main): Make insn-emit to include basic-block.h too.
2122
2123 2005-05-20  Jan Hubicka  <jh@suse.cz>
2124
2125         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
2126
2127 2005-05-19  Richard Henderson  <rth@redhat.com>
2128
2129         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
2130         emit_store_conditional): Split out from ...
2131         (alpha_split_atomic_op): ... here.
2132         (alpha_split_compare_and_swap): New; extract from .md file.
2133         (alpha_split_lock_test_and_set): Likewise.
2134         * config/alpha/alpha-protos.h: Update.
2135         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
2136         split code into alpha.c.
2137         (sync_lock_test_and_set<I48MODE>): Likewise.
2138
2139 2005-05-19  Richard Henderson  <rth@redhat.com>
2140
2141         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
2142
2143 2005-05-19  Richard Henderson  <rth@redhat.com>
2144
2145         * config/i386/sse.md (mulv4si3): Use all register inputs.
2146         (mulv2di3): Likewise.
2147
2148 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
2149
2150         * tree-ssa-loop-ivopts.c (determine_base_object): Use
2151         build_fold_addr_expr to generate trees of correct type.
2152         Use fold_buildN if possible.
2153
2154 2005-05-19  Jan Hubicka  <jh@suse.cz>
2155
2156         * basic-block.h (REG_BR_PROB_BASE): Define.
2157         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
2158         (dump_cgraph_node): Dump count.
2159         (cgraph_clone_edge): Rescale counts.
2160         (cgraph_clone_node): Likewise.
2161         * cgraph.h: Include basic-block.h
2162         (cgraph_node): Add count.
2163         (cgraph_edge): Add count and loop_nest.
2164         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
2165         Update prototypes.
2166         * cgraphunit.c: Kill now redundant inlining comment.
2167         (cgraph_create_edges): Make static, maintain current basic block;
2168         fix pasto.
2169         (record_call_1): Fill in new fields.
2170         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
2171         cgraph_clone_node.
2172         (cgraph_decide_recursive_inlining): Likewise.
2173         * rtl.h (REG_BR_PROB_BASE): Kill.
2174         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
2175         (expand_call_inline): Update call of cgraph_create_edge.
2176         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2177
2178 2005-05-19  Nick Clifton  <nickc@redhat.com>
2179
2180         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
2181         new rs6000_explicit_options structure.
2182
2183 2005-05-19  Richard Henderson  <rth@redhat.com>
2184
2185         PR target/21390
2186         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
2187         TFmode code swapping ...
2188         (alpha_emit_xfloating_compare): ... here.
2189         (alpha_emit_setcc): Update to match.
2190         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
2191
2192 2005-05-19  Richard Henderson  <rth@redhat.com>
2193
2194         PR target/21657
2195         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
2196         memory indirection in local-dynamic case.
2197
2198 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
2199             Bernd Schmidt  <bernd.schmidt@analog.com>
2200
2201         * config/bfin/bfin.c (branch_dest): Add comment why it's
2202         necessary.
2203         * config/bfin/bfin.md (attr "length" default): Change the offset of
2204         forward conditional branch of length 4 from 4096 to 4092.
2205
2206 2005-05-19  Jan Beulich  <jbeulich@novell.com>
2207
2208         * unwind-compat.c: Include tconfig.h and tsystem.h.
2209         * unwind-dw2-fde-compat.c: Likewise.
2210
2211 2005-05-18  Richard Henderson  <rth@redhat.com>
2212
2213         PR 21541
2214         * ifcvt.c (noce_process_if_block): Avoid conversion when the
2215         memory destination is readonly.
2216
2217 2005-05-18  Richard Henderson  <rth@redhat.com>
2218
2219         PR 21541
2220         * tree-ssa-operands.c (opf_non_specific): New.
2221         (get_asm_expr_operands): Set it.
2222         (add_call_clobber_ops, add_call_read_ops): Likewise.
2223         (add_stmt_operand): Test it instead of opf_kill_def when
2224         considering unmodifiable variables.
2225
2226         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
2227
2228 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
2229
2230         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
2231         tree-ssa-forwprop.c: Fix comment typos.
2232         * doc/invoke.texi: Fix a typo.
2233
2234 2005-05-18  Richard Henderson  <rth@redhat.com>
2235
2236         * config.gcc (powerpc-*-linux*): Include linux64.opt when
2237         including linux64.h.
2238
2239 2005-05-18  Richard Henderson  <rth@redhat.com>
2240
2241         * tree-cfg.c (pass_remove_useless): Revert last change.
2242         * tree-optimize.c (init_tree_optimization_passes): Initialize
2243         all_lowering_passes with PROP_gimple_any.
2244
2245 2005-05-18  Devang Patel  <dpatel@apple.com>
2246
2247         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
2248         the mask end.
2249         
2250 2005-05-18  Richard Henderson  <rth@redhat.com>
2251
2252         * tree-ssa-forwprop.c (cfg_changed): New.
2253         (tidy_after_forward_propagate_addr): New.
2254         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
2255         (forward_propagate_addr_into_variable_array_index): Likewise.
2256         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
2257         edges were removed.
2258
2259 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
2260
2261         * dummy-checksum.c: New.
2262         * genchecksum.c: New.
2263         * c.opt (print_pch_checksum): New flag.
2264         * c-pch.c (struct c_pch_validity): Make much shorter.
2265         (no_checksum): New.
2266         (host_machine): Remove.
2267         (target_machine): Remove.
2268         (get_ident): Change PCH version number.
2269         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
2270         Don't put triplets or version string in PCH validity data.
2271         Do put the compiler checksum in the validity data.
2272         (c_common_valid_pch): Don't check triplets or version string.  Do
2273         check checksum.
2274         (c_common_print_pch_checksum): New.
2275         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
2276         Print fingerprint with -v.
2277         * c-common.h (c_common_print_pch_checksum): New.
2278         (executable_checksum): New.
2279         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
2280         (cc1-dummy): New rule.
2281         (cc1-checksum.c): New rule.
2282         (cc1-checksum.o): New rule.
2283         (cc1): Add checksum support.
2284         (build/genchecksum): New.
2285         (build/genchecksum.o): New.
2286         (dummy-checksum.o): New.
2287         (genobjnames): Add genchecksum.o.
2288         (mostlyclean): Remove *-checksum.c.
2289         (gnucompare): Add libgcc to list of directories checked.
2290         Make comparison problems in libgcc/ and with checksum files only
2291         be warnings.
2292         * doc/invoke.texi (Precompiled Headers): Remove caution.
2293         Document that it must be the exact same binary.  Add a few
2294         known-safe flags to the list.
2295
2296         * rs6000/predicates.md (fix_trunc_dest_operand): New.
2297         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
2298         Check that a memory operand is valid before trying to use it.
2299         
2300         * tree-cfg.c (pass_remove_useless): This pass works on trees.
2301
2302 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
2303
2304         * tree.c (build1_stat): Don't try to handle two-operand
2305         tree codes.
2306
2307 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
2308
2309         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
2310         * config/sh/sh.h: Update mask names throughout.
2311         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
2312         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
2313         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
2314         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
2315         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
2316         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
2317         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
2318         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
2319         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
2320         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
2321         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
2322         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
2323         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
2324         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
2325         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
2326         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
2327         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
2328         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
2329         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
2330         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
2331         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
2332         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
2333         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
2334         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
2335         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
2336         (SUBTARGET_SWITCHES): Delete.
2337         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
2338         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
2339         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
2340         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
2341         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
2342         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
2343         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
2344         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
2345         (SUPPORT_SH3): Likewise SUPPORT_SH2.
2346         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
2347         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
2348         SUPPORT_SH4_NOFPU.
2349         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
2350         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
2351         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
2352         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
2353         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
2354         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
2355         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
2356         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
2357         (SUPPORT_ANY_SH5): New macros.
2358         (TARGET_NONE): Replace with...
2359         (MASK_ARCH): ...this new macro.
2360         * config/sh/elf.h: Update mask names
2361         * config/sh/linux.h: Likewise.
2362         * config/sh/little.h: Likewise.
2363         * config/sh/netbsd-elf.h: Likewise.
2364         * config/sh/symbian-pre.h: Likewise.
2365         * config/sh/sh.c (sh_handle_option): New function.
2366         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2367         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
2368         (sh_target_switches, target_switches): Delete.
2369         (sh_pch_valid_p): Check for specific differences in the target_flags
2370         settings.
2371         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
2372         * config/sh/sh.opt: New file.
2373
2374 2005-05-18  Richard Henderson  <rth@redhat.com>
2375
2376         PR target/21632
2377         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
2378         small_addr_symbolic_operand.
2379
2380 2005-05-18  Jeff Law  <law@redhat.com>
2381
2382         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
2383         propagate an ADDR_EXPR if the definition and use sites are
2384         in different EH regions.
2385
2386 2005-05-18  Ian Lance Taylor  <ian@airs.com>
2387
2388         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
2389         obstack_grow.
2390
2391 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
2392
2393         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
2394
2395 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
2396         
2397         Fix PR tree-optimization/21407
2398
2399         * tree-ssa-operands.c (note_addressable): Change
2400         COMPONENT_REF handling in response to aliasing
2401         discussion.
2402
2403 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
2404
2405         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
2406         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
2407         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
2408         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
2409         the default on Solaris too.
2410
2411 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
2412
2413         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
2414         is okay too.
2415
2416 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2417
2418         * timevar.def (TV_SCEV_CONST): New timevar.
2419         * tree-optimize.c (init_tree_optimization_passes): Add
2420         pass_scev_cprop.
2421         * tree-pass.h (pass_scev_cprop): Declare.
2422         * tree-scalar-evolution.c (scev_const_prop): New function.
2423         * tree-scalar-evolution.h (scev_const_prop): Declare.
2424         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
2425         New.
2426         * tree-cfg.c (replace_uses_by): Export.
2427         * tree-flow.h (replace_uses_by): Declare.
2428
2429 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
2430             Mike Stump  <mrs@apple.com>
2431
2432         Yet more Objective-C++...
2433
2434         * c-common.h (objc_finish_try_stmt): Add.
2435         (objc_build_synchronized): Add.
2436         (objc_generate_write_barrier): Add.
2437         * stub-objc.c (objc_build_synchronized): Add return value.
2438         (objc_finish_try_stmt): Likewise.
2439         (objc_generate_write_barrier): Add.
2440
2441         * c-common.h (objc_rewrite_function_call): Add.
2442         * c-typeck.c (build_function_call): Allow objc to rewrite
2443         FUNCTION_DECLs.
2444         (build_modify_expr): Allow objc to generate write barriers.
2445         * c.opt (Wassign-intercept): Add.
2446         (Wstrict-selector-match): Add.
2447         (fobjc-call-cxx-cdtors): Add.
2448         (fobjc-direct-dispatch): Add.
2449         (fobjc-gc): Add.
2450         * dbxout.c (get_lang_number): Add Objective-C++ support.
2451         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
2452         (-Wstrict-selector-match): Likewise.
2453         (-fobjc-direct-dispatch): Likewise.
2454         (-Wassign-intercept): Likewise.
2455         (Overall Options): Likewise.
2456         * gengtype.c (get_output_file_with_visibility): Likewise.
2457         * stub-objc.c (objc_rewrite_function_call): Add.
2458         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
2459
2460         * c-common.c (flag_objc_exceptions): Remove.
2461         (flag_objc_sjlj_exceptions): Remove.
2462         * c-decl.c (objc_mark_locals_volatile): Don't change decls
2463         that are already ok.
2464         * c-opts.c (c_common_handle_option, case
2465         OPT_fobjc_exceptions): Remove.
2466         (case OPT_fobjc_sjlj_exceptions): Remove
2467         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
2468         (fobjc-exceptions): Likewise.
2469         (fobjc-sjlj-exceptions): Likewise.
2470         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
2471         (OFFS_ASSIGNIVAR_FAST): Add.
2472         
2473 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
2474
2475         * config/sparc/sparc.md (movhi): Do not test constness
2476         of operand #1 twice.
2477         (movsi): Likewise.
2478         (movdi): Unconditionally accept zero as second operand
2479         when the first is memory.
2480         (movdi_insn_sp32): Handle above case.
2481         (DImode splitter): Use predicates.
2482         (DImode splitter): Use const_zero_operand predicate.
2483         (movsf_insn): Swap 2 alternatives.
2484
2485 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2486
2487         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
2488         expand_simple_operations to bases of the ivs.
2489         (tree_int_cst_sign_bit): Export.
2490         * tree-flow.h (expand_simple_operations): Declare.
2491         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
2492         tree_int_cst_sign_bit.
2493         (expand_simple_operations): Export.
2494         * tree.h (tree_int_cst_sign_bit): Declare.
2495
2496 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2497
2498         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
2499         merged block.
2500         (replace_uses_by): New function.
2501         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
2502         * tree-flow.h (fold_stmt_inplace): Declare.
2503         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
2504         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
2505         info after cfg cleanup.
2506
2507 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2508
2509         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
2510         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
2511         const.
2512
2513 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
2514
2515         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
2516         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
2517         * timevar.c (timevar_ggc_mem_total): New variable.
2518         (GGC_MEM_BOUND): New constant.
2519         (get_time): Record ggc memory status.
2520         (timevar_accumulate): Accumulate amount of ggc memory.
2521         (timevar_print): Print consumption of ggc memory.
2522         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
2523         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
2524         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
2525         * timevar.h (struct timevar_time_def): Add ggc_mem field.
2526         (timevar_ggc_mem_total): Declare.
2527
2528 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
2529
2530         * tree-into-ssa.c (update_ssa): Clean up by shortening the
2531         live range of DFS.
2532
2533 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
2534
2535         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
2536         define_code_attr.
2537         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
2538         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
2539         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
2540         ("s<ocond:code>"): Rename from respectively "b<ncond>",
2541         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
2542         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
2543         "s<rcond>" and "s<ocond>".
2544         ("b<ocond:code>", "*b<ocond:code>_reversed")
2545         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
2546         output statement section.
2547
2548 2005-05-17  Roger Sayle  <roger@eyesopen.com>
2549
2550         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
2551
2552 2005-05-17  Steven Bosscher  <stevenb@suse.de>
2553             Stuart Hastings <stuart@apple.com>
2554             Jan Hubicka  <jh@suse.cz>
2555             Dale Johannesen  <dalej@apple.com>
2556
2557         * cgraph.h (cgraph_node): Add 'lowered' state.
2558         (cgraph_lower_function): Declare.
2559         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
2560         (cgraph_lower_function): New function.
2561         (cgraph_create_edges): Deal with lowered function bodies.
2562         (verify_cgraph_node): Likewise.
2563         (cgraph_analyze_function): Do lowering job.
2564         (cgraph_build_static_cdtor): Likewise.
2565         * function.h (struct function): Add saved_eh and saved_cfg.
2566         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
2567         * tree-cfg.c (fold_cond_expr_cond): Export.
2568         * tree-flow.h (fold_cond_expr_cond): Declare.
2569         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
2570         pointer-set.
2571         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
2572         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
2573         callee_cfun, block, eh_region, eh_region_offset.
2574         (inlining_p): New predicate.
2575         (remap_decl): Update for new inline_data; declare newly created inline
2576         vars in low gimple way.
2577         (copy_body_r): Update for new datastructure, simplify some of handling
2578         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
2579         deal with RESX_EXPRs.
2580         (copy_bb): New.
2581         (copy_edges_for_bb): Likewise.
2582         (remap_decl_1): New.
2583         (copy_cfg_body): New.
2584         (copy_generic_body): Rewrite to work on low gimple.
2585         (copy_body): Turn into simple wrapper around copy_cfg_body.
2586         (setup_one_parameter): Insert new statements into given basic block.
2587         (initialize_initialized_parameters): Likewise, reorganize way things are
2588         gimplified.
2589         (declare_return_variable): Update for new inline data datastructure.
2590         (inline_forbidden_p): Work on low gimple.
2591         (estimate_num_insns): Likewise.
2592         (expand_call_inline): Work on CFG.
2593         (push_cfun, pop_cfun): New functions.
2594         (cfun_stack): New stack.
2595         (add_lexical_block): New function.
2596         (gimple_expand_calls_inline): Work on basic block.
2597         (optimize_inline_calls): Likewise.
2598         (clone_body, save_body, unsave_ewpr_now): Update for new
2599         datastructures.
2600         (declare_inline_vars): Work on block instead of bind_expr.
2601         (inlining_p): New predicate.
2602         * tree-inline.h (push_cfun, pop_cfun): Declare.
2603         * tree-optimize.c: Include except.h
2604         (all_lowering_passes): New variable.
2605         (execute_fixup_cfg, pass_fixup_cfg): New pass.
2606         (init_tree_optimization_passes): Move some to all_lowering_passes.
2607         (tree_lowering_passes): New function.
2608         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
2609         * tree-pass.h (tree_lowering_passes): Declare
2610
2611 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
2612
2613         * unwind-dw2-fde-darwin.c: Include tsystem.h.
2614
2615 2005-05-17  Jeff Law  <law@redhat.com>
2616
2617         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
2618         * tree-ssa-forwprop.c: Include langhooks.h.
2619         (forward_propagate_addr_expr_into_variable_array_index): New.
2620         (forward_propagate_addr_expr): New.
2621         (tree_ssa_forward_propagate_single_use_vars): Loop over all
2622         the statements in the block instead of just the last statement.
2623         Call forward_propagate_addr_expr as needed.
2624         (pass_forwprop): Update the SSA graph after forward propagation is
2625         complete.
2626
2627 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
2628
2629         * unwind-dw2-fde-glibc.c (base_from_cb_data,
2630         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
2631         appropriate.
2632         * unwind-dw2-fde.c (__deregister_frame_info_bases,
2633         base_from_object, fde_split, end_fde_sort): Likewise.
2634         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
2635         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
2636         uw_init_context_1): Likewise.
2637         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
2638         _Unwind_Resume_or_Rethrow): Likewise.
2639         * unwind-pe.h (__gxx_abort): Do not define.
2640         (size_of_encoded_value, base_of_encoded_value,
2641         read_encoded_value_with_base): Use gcc_unreachable.
2642         * unwind.h (_Unwind_GetTextRelBase): Likewise.
2643
2644 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
2645
2646         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
2647         (cfi_end): New macros.
2648         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
2649         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
2650         an eight byte stack frame.
2651         (__NR_tkill): Define.
2652         (__div0): Use gettid tkill on GNU/Linux.
2653         (_arm_return): Add CFI.
2654         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
2655
2656 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
2657
2658         * configure.ac: Remove spaces around assignment to
2659         gcc_cv_ld_sysroot.
2660         * configure: Regenerated.
2661
2662 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
2663
2664         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
2665         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
2666         aix_struct_ret.
2667         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
2668         Modify aix_struct_return variable, not target_flags.
2669         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
2670         (rs6000_return_in_memory): Test aix_struct_return.
2671         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
2672         independent variable.  Report mxl-compat.
2673
2674 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2675
2676         * config/bfin/bfin.md (eh_return): Add missing DONE.
2677
2678 2005-05-17  Ian Lance Taylor  <ian@airs.com>
2679
2680         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
2681         field.
2682         (mode_attr_index): Remove check for defined attribute.  Remove
2683         infile parameter.  Change all callers.
2684         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
2685         return after finding attribute.
2686         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
2687         callers.
2688         (apply_macro_traverse): Set mtd->unknown_mode_attr.
2689         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
2690         attribute used for a mode.
2691
2692 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
2693
2694         * tree-ssa-math-opts.c: New file.
2695
2696 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
2697
2698         * tree-ssa-math-opts.c: New file.
2699
2700 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
2701
2702         * Makefile.in: Add tree-ssa-math-opts.c.
2703         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
2704         * fold-const.c (distribute_real_division): New.
2705         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
2706         * tree-pass.h (pass_cse_reciprocals): New.
2707         * tree-optimize.c (init_tree_optimization_passes): Run it.
2708         * doc/passes.texi: Document the new pass.
2709
2710 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
2711
2712         PR middle-end/21595
2713         * builtins.c (fold_builtin_constant_p): Handle
2714         &"string cst"[0] as constant.
2715
2716 2005-05-17  Richard Henderson  <rth@redhat.com>
2717
2718         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
2719
2720 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
2721
2722         PR middle-end/21492
2723         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
2724         src2 if src2 has been split.
2725
2726         PR tree-optimization/21610
2727         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
2728         returning DECL, call unshare_expr.
2729
2730 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
2731
2732         * config/cris/cris.md: Unquote preparation and output statements.
2733         (BWD, WD, BW): New, mode-macros.
2734         (S, s, m, mm, nbitsm1): New, mode-attrs.
2735         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
2736         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
2737         code-attrs.
2738         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
2739         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
2740         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
2741         "*cmp_swapexthi".
2742         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
2743         ("movdi"): Move misplaced head comment regarding necessity of
2744         movdi from movsi to here.
2745         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
2746         "*mov_sidehi_biap".
2747         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
2748         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
2749         "*mov_sideqi_biap_mem".
2750         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
2751         "*mov_sidehi_mem".
2752         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
2753         "*clear_sidehi_biap" and "*clear_sideqi_biap".
2754         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
2755         and "*clear_sideqi".
2756         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
2757         "*ext_sidehisi_biap".
2758         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
2759         "*ext_sidehisi".
2760         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
2761         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
2762         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
2763         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
2764         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
2765         "zero_extendqisi2".
2766         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
2767         "*op_sidehi_biap" and "*op_sidesi_biap".
2768         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
2769         "*op_sidesi".
2770         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
2771         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
2772         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
2773         "*op_swap_sidehi" and "*op_swap_sidesi".
2774         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
2775         in the N alternative of "subqi3".
2776         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
2777         "*extophisi_side_biap".
2778         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
2779         "*extophisi_side".
2780         ("*extop<mode>si_swap_side_biap"): Replace
2781         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
2782         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
2783         "*extophisi_swap_side".
2784         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
2785         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
2786         "*extophisi_swap".
2787         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
2788         "mulqihi3", "mulhisi3" and "mulhisi3".
2789         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
2790         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
2791         "umulsi3_highpart".
2792         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
2793         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
2794         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
2795         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
2796         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
2797         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
2798         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
2799         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
2800         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
2801         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
2802         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
2803         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
2804         "*ashlhi_lowpart".
2805         ("abs<mode>2"): Replace "abshi2" and "absqi2".
2806         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
2807         "bleu".
2808         ("b<ocond>"): Replace "bgt" and "ble".
2809         ("b<rcond>"): Replace "blt" and "bge".
2810         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
2811         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
2812         "*bleu_reversed".
2813         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
2814         "*ble_reversed".
2815         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
2816         "*blt_reversed".
2817         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
2818         "sne".
2819         ("s<rcond>"): Replace "sge" and "slt".
2820         ("s<ocond>"): Replace "sgt" and "sle".
2821         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
2822         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
2823         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
2824         clear.w [rx=rx+i] and clear.b [rx=rx+i].
2825
2826 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
2827
2828         * varasm.c (struct constant_descriptor_tree): Add hash field.
2829         (const_desc_hash): Just return hash field.
2830         (const_desc_eq): If hash values are different, return 0 immediately.
2831         (output_constant_def): Compute hash field of temporary key, use
2832         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
2833         newly built constant descriptor.
2834         (lookup_constant_def): Compute hash field of temporary key, use
2835         htab_find_with_hash instead of htab_find.
2836
2837 2005-05-16  Richard Henderson  <rth@redhat.com>
2838
2839         * config/i386/sse.md (mulv4si3): New.
2840
2841 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
2842
2843         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
2844         tests for noncanonical versions of reg+constant and
2845         reg+reg*{1,2,4}.
2846
2847 2005-05-16  Richard Henderson  <rth@redhat.com>
2848             Steven Bosscher <stevenb@suse.de>
2849
2850         PR tree-opt/21399
2851         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
2852         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
2853         region data structure to match replacement.
2854         * tree-flow.h: Update to match.
2855         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2856         * tree-ssa-dom.c (optimize_stmt): Likewise.
2857         * tree-ssa-pre.c (eliminate): Likewise.
2858         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
2859
2860 2005-05-16  Caroline Tice  <ctice@apple.com>
2861
2862         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
2863         internal_error with gcc_assert.
2864         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
2865         * function.h (struct function): Remove space between "*" and
2866         struct field names.
2867         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
2868         modify to use alloca.
2869         (unlikely_text_section): Add check for flag_function_sections.
2870         (assemble_start_function):  Move call to resolve_section, so it
2871         comes before first call to unlikely_text_section.
2872         (assemble_end_function):  Add test and call to function_section
2873         if appropriate.
2874         
2875 2005-05-16  Roger Sayle  <roger@eyesopen.com>
2876
2877         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
2878         instead of build_binary_op when performing code transformations
2879         to avoid error messages about constructs not it the user's code.
2880
2881 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
2882
2883         * tree-ssa-pre.c: Fix a comment typo.
2884
2885 2005-05-16  Richard Henderson  <rth@redhat.com>
2886
2887         PR target/21556
2888         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
2889         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
2890         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
2891         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
2892         add_tprel22): Remove mode from symbolic operand.
2893
2894 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
2895
2896         * optc-gen.awk: Include intl.h after the externally-provided files.
2897
2898 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
2899
2900         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
2901         folding a COND_EXPR_COND in a nondestructive manner.
2902
2903 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
2904
2905         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
2906         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
2907         New values for vec_select definitions and bitmask for element
2908         selection.
2909          
2910 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
2911
2912         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
2913         Change the type to VEC(rtx,gc)*.
2914         (mem_loc_descriptor, add_const_value_attributes,
2915         dwarf2out_init): Adjust uses of used_rtx_varray.
2916
2917         * tree-data-ref.c (compute_all_dependences): Change the type
2918         of dependence_relations to VEC(ddr_p,heap)**.
2919         (compute_data_dependences_for_loop): Change the type of
2920         allrelations to VEC(ddr_p,heap)*.
2921
2922 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
2923
2924         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
2925         system.h, coretypes.h and tm.h.
2926         (options.o): Update dependencies accordingly.
2927         * optc-gen.awk: Allow header_name to be a list of filenames.
2928         Handle the "Condition" flag.
2929         * opts.h (CL_DISABLED): New flag.
2930         * opts.c (handle_option): Print an error for CL_DISABLED options.
2931         * doc/options.texi: Document the "Condition" option flag.
2932
2933 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
2934
2935         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
2936
2937 2005-05-15  Roger Sayle  <roger@eyesopen.com>
2938
2939         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
2940         check for TREE_OVERFLOW on INTEGER_CST trees.
2941         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
2942         CONSTANT_CLASS_P tree nodes.
2943
2944 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
2945
2946         PR target/21551
2947         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
2948
2949 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
2950             
2951         Fix PR tree-optimization/21576
2952         
2953         * tree-ssa-pre.c (expression_node_pool): New pool.
2954         (comparison_node_pool): Ditto.
2955         (list_node_pool): Ditto.
2956         (pool_copy_list): New function.
2957         (phi_translate): Handle CALL_EXPR.
2958         (valid_in_set): Ditto.
2959         (create_expression_by_pieces): Ditto.
2960         (insert_into_preds_of_block): Ditto.
2961         (insert_aux): Ditto.
2962         (compute_avail): Ditto.
2963         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
2964         (can_value_number_call): New function.
2965         (find_leader): Update comment.
2966         (init_pre): Create new pools.
2967         (fini_pre): Free new pools.
2968         (pass_pre): Add TODO_update_ssa for the future when we are going
2969         to need vops.
2970         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
2971         (set_value_handle): Ditto.
2972         (get_value_handle): Ditto.
2973
2974 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
2975
2976         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
2977
2978 2005-05-15  Andreas Jaeger  <aj@suse.de>
2979
2980         * gcc.c (pfatal_pexecute): Remove unused local function.
2981
2982 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
2983
2984         * optc-gen.awk: Remove excess indentation.
2985         * opth-gen.awk: Likewise.
2986
2987 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
2988
2989         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
2990         of basic_block_info.  Call init_flow and find_basic_blocks
2991         before dbr_schedule if needed.
2992
2993 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
2994
2995         * tree-optimize.c (init_tree_optimization_passes): Move
2996         pass_cd_dce in place of the last pass_dce.
2997
2998         PR tree-optimization/21563
2999         * tree-vrp.c (compare_value): Return boolean_false_node when
3000         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
3001         strictly larger than CST.
3002
3003 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
3004             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3005
3006         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
3007         gcc_assert().
3008         (rev_cond_name) Likewise.
3009         (vax_float_literal) Likewise.
3010         * config/vax/vax.md: Likewise.
3011
3012 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3013
3014         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
3015         registers and use them (specifically the stack pointer).
3016         * config/vax/vax.h: Use above defines right here.
3017
3018         * config/vax/vax.c: (override_options) Remove 'register' keyword.
3019         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
3020         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
3021         whitespace.
3022         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
3023         mostly removal of trailing spaces...
3024         * config/vax/vax-modes.def: Remove trailing whitespace.
3025
3026         * config/vax/elf.h: Update whitespace.
3027
3028 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
3029
3030         Revert
3031         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
3032         * fold-const.c (fold_indirect_ref_1): Avoid removing
3033         NOP_EXPRs with type qualifiers like const.
3034
3035 2005-05-14  Jan Hubicka  <jh@suse.cz>
3036
3037         Patch by Richard Henderson:
3038         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
3039         Handle RESX expressions properly.
3040
3041         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
3042         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
3043         (remove_stmt_from_eh_region_fn): Likewise.
3044
3045         * tree-cfg.c (execute_warn_function_return): Break out noreturn
3046         warning too..
3047         (execute_warn_function_noreturn): ... here.
3048         (pass_warn_function_noreturn): New pass.
3049         * tree-pass.h (pass_warn_function_noreturn): Declare
3050         * tree-optimize.c (init_tree_optimization_passes): Move return
3051         warnings early and add noreturn warnings at place of previous
3052         return warnings.
3053
3054 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3055
3056         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
3057         root_var_init, type_var_init): Use VEC instead of VARRAY.
3058         * tree-ssa-live.h (tree_partition_associator_d): Change the
3059         type of trees to VEC(tree,heap)*.
3060         (tpa_tree): Use VEC instead of VARRAY.
3061
3062 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
3063
3064         * fold-const.c (div_if_zero_remainder): New function.
3065         (try_move_mult_to_index): Use it.
3066
3067 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3068
3069         * tree-eh.c (leh_tf_state): Change the type of dest_array to
3070         VEC(tree,heap)*.
3071         (maybe_record_in_goto_queue, lower_try_finally_onedest,
3072         lower_try_finally_copy, lower_try_finally_switch,
3073         lower_try_finally): Use VEC instead of VARRAY.
3074
3075 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
3076
3077         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
3078         comment regarding defined register classes.
3079         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
3080
3081 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
3082
3083         * tree-optimize.c (init_tree_optimization_passes): Move
3084         pass_merge_phi before the first pass_dominator.
3085
3086 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
3087
3088         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
3089         unconditional.
3090
3091 2005-05-13  Josh Conner  <jconner@apple.com>
3092
3093         * config/arm/arm.c (arm_size_return_regs): New.
3094         (thumb_unexpanded_epilogue): replace in-line calculation
3095         of return registers with call to arm_size_return_regs.
3096         (use_return_insn): Include test of which registers are
3097         being used to hold return values, to accommodate
3098         vector return values.
3099
3100 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
3101
3102         * config/rs6000/sysv4.opt (mlittle): Handle.
3103
3104         * config/rs6000/rs6000.c (rs6000_handle_option): Set
3105         target_flags_explicit when appropriate.
3106
3107 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3108
3109         PR middle-end/20714:
3110         * optabs.c (no_conflict_data): New struct.
3111         (no_conflict_move_test): New function.
3112         (emit_no_conflict_block): Use it.
3113
3114 2005-05-13  Adam Nemet  <anemet@lnxw.com>
3115
3116         * doc/invoke.texi (Debugging Options): Option
3117         -fdump-translation-unit only works with C++ now.
3118
3119 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
3120
3121         Replace calls to abort in CRIS port.
3122         * config/cris/cris.h (CRIS_ASSERT): New macro.
3123         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
3124         internal_error instead of abort.
3125         ("movsi"): Ditto.  Unquote preparation statement section.
3126         ("call", "call_value"): Ditto, but use gcc_assert where
3127         appropriate.  Tweak comments.
3128         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
3129         CRIS_ASSERT.
3130         (cris_op_str): Call internal_error, not abort.
3131         (cris_print_operand): Tweak "abort" reference to "die" in comment.
3132         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
3133         (cris_notice_update_cc): Call internal_error, not abort.
3134         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
3135         (cris_emit_movem_store, cris_asm_output_symbol_ref)
3136         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
3137         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
3138         ENABLE_CHECKING-guarded abort call.
3139         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
3140         Use internal_error at end of test-chain.
3141
3142 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3143
3144         PR rtl-optimization/20769:
3145         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
3146         pattern emitted by expand_nl_goto_receiver.
3147
3148         PR middle-end/20793:
3149         * integrate.c (allocate_initial_values): Update register liveness
3150         information.
3151
3152 2005-05-13  Josh Conner  <jconner@apple.com>
3153
3154         * arm.c (arm_return_in_memory): Add handling for vector return types.
3155
3156 2005-05-13  David Ung  <davidu@mips.com>
3157
3158         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
3159         name.
3160         * config/mips/mips.c: Add 4km alias.
3161         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
3162         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
3163         description.
3164
3165 2005-05-13  Jan Hubicka  <jh@suse.cz>
3166
3167         * c-decl.c (finish_function): Suppress "control reaches end of
3168         non-void function" when "no return statement in function
3169         returning non-void" is issued.
3170
3171         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
3172         * tree-optimize.c (pass_gimple): Kill.
3173         (init_tree_optimization_passes): Kill pass_gimple.
3174         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
3175         * tree-dump.c (dump_files): Rename .generic to .gimple.*
3176
3177 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
3178
3179         PR rtl-optimization/20756:
3180         * basic-block.h (PROP_DEAD_INSN): Define.
3181         * flow.c (propagate_one_insn): Set during mark_set_regs call
3182         for a dead insn.
3183         (mark_set_1): Emit a clobber when we are about to delete a dead insn
3184         that kills a live register.
3185
3186 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
3187
3188         * config/s390/s390.md: ("DBL"): New mode attribute.
3189         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
3190         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
3191         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
3192
3193 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
3194
3195         * c-format.c (check_format_arg): Handle string literals of
3196         the form &"string"[offset].
3197
3198         * g++.dg/warn/format4.C: New testcase.
3199
3200 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
3201
3202         * config/mips/3000.md, config/mips/4000.md,
3203         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
3204         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
3205         config/mips/generic.md, config/pdp11/pdp11.md,
3206         config/sh/crt1.asm, config/sh/lib1funcs.asm,
3207         config/sh/sh-modes.def, config/sh/sh-protos.h,
3208         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
3209
3210 2005-05-13  Richard Henderson  <rth@redhat.com>
3211
3212         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
3213         addition to move unless dest is a register.  Do not skip
3214         instantiation in dest on addition simplification.
3215
3216 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
3217
3218         * config/cris/cris.c (cris_print_operand) <case 'H'; case
3219         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
3220         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
3221
3222 2005-05-13  Jan Hubicka  <jh@suse.cz>
3223
3224         * basic-block.h (FOR_ALL_BB_FN): New macro.
3225         (init_flow): Initialize cfg structure.
3226         * function.c (allocate_struct_function): Do not initialize cfg structure.
3227         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
3228         (build_tree_cfg): ... here.
3229         * tree-flow.h (init_empty_tree_cfg): Declare.
3230
3231 2005-05-12  Steven Bosscher <stevenb@suse.de>
3232
3233         Fix PR tree-optimization/21520
3234         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
3235         to attempt to fold constants.
3236
3237 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
3238
3239         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
3240         only when TARGET_ADJUST_UNROLL_MAX is defined.
3241         (general_movsrc_operand): Use the C style comment.
3242         (ua_offset): Use prototype.
3243
3244 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
3245
3246         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
3247         (struct hmr_data, hoist_memory_reference, memref_del,
3248         struct fmrv_data): Removed.
3249         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
3250         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
3251         list.
3252         (find_more_ref_vops): Traverse the list of memory references.
3253         (determine_lsm_loop): Work with the list of memory references instead
3254         of traversing the hashtable.
3255
3256 2005-05-12  Steven Bosscher  <stevenb@suse.de>
3257             Stuart Hastings <stuart@apple.com>
3258             Jan Hubicka  <jh@suse.cz>
3259
3260         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
3261         duplicate_eh_regions): New functions, based on old
3262         implementation removed with RTL inliner.
3263         (reachable_next_level): Modify behaviour pre-inline.
3264         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
3265         Declare.
3266         * function.h (struct function): Add after_inlining flag.
3267         * tree-optimize.c (tree_rest_of_compilation): Set it.
3268         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
3269         when needed.
3270         * tree-cfg.c (label_to_block_fn): Deal with cases where
3271         label was never insterted into code.
3272
3273 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
3274
3275         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
3276
3277 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
3278
3279         Fix PR tree-optimization/21532
3280         * tree-ssa-pre.c (create_expression_by_pieces): stmt
3281         needs to go onto the inserted_exprs list.
3282
3283 2005-05-12  Ian Lance Taylor  <ian@airs.com>
3284
3285         * c-common.h (statement_code_p): Don't declare.
3286         (STATEMENT_CODE_P): Don't define.
3287         (INIT_STATEMENT_CODES): Don't define.
3288         * c-common.c (statement_code_p): Don't define.
3289
3290 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3291
3292         * config/sparc/sparc.h: Remove dead code.
3293         * config/sparc/sparc.c (sparc_compute_frame_size): Use
3294         FIRST_PARM_OFFSET for the size of the register window area.
3295         (emit_save_regs): Rename into emit_save_or_restore_regs.
3296         Add 'action' parameter.  Use 4095 as upper bound for the offset.
3297         Pass 'action' to save_or_restore_regs.
3298         (emit_restore_regs): Delete.
3299         (sparc_expand_prologue): Call emit_save_or_restore_regs.
3300         (sparc_expand_epilogue): Likewise.
3301         * config/sparc/sparc.md (mode macro P): Move.
3302         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
3303         (mov<V32:mode> expander): Move to the top of the V32 section.
3304         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
3305         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
3306         (sibcall_epilogue): Move.
3307
3308 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
3309
3310         PR target/21501
3311         * arm.c (arm_gen_constant): Sign-extend intermediate values when
3312         synthesizing a constant of the difference of two immediates.
3313
3314 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
3315
3316         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
3317         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
3318         the alternatives using integer registers into the appropriate
3319         primitives.
3320
3321 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3322
3323         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
3324         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
3325         * bitmap.h: Fixed comments.
3326
3327 2005-05-11  Richard Henderson  <rth@redhat.com>
3328
3329         PR target/21412
3330         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
3331         (ia64_cannot_force_const_mem): New.
3332         (tls_symbolic_operand_type): New.
3333         (ia64_legitimate_constant_p): New.
3334         (ia64_expand_load_address): Return true on success.  Improve
3335         checks for when we should not split.
3336         (ia64_expand_tls_address): New addend operand.  Distribute it
3337         as appropriate to the tls_kind.  Delay referencing gp.
3338         (ia64_expand_move): Split symbolic addend as necessary.  Handle
3339         tls symbols with addends.
3340         * config/ia64/ia64-protos.h: Update.
3341         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
3342         p0, f0, f1, and r13.
3343         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
3344         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
3345         (symbolic_operand splitter): Pass everything through
3346         ia64_expand_load_address and FAIL or DONE as appropriate.
3347         (load_fptr): Only accept after reload.
3348         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
3349         load_symptr_low, load_ltoff_dtpmod,
3350         (load_dtpmod): New.
3351         (load_dtprel): Only accept tls symbols.
3352         (load_dtprel64, load_dtprel22): Likewise.
3353         (load_tprel, load_tprel64, load_tprel22): Likewise.
3354         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
3355         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
3356         (add_dtprel14, add_dtprel22): Likewise.
3357         (add_tprel, add_tprel14, add_tprel22): Likewise.
3358         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
3359         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
3360         (got_symbolic_operand): Check CONST offsets.
3361         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
3362         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
3363         (move_operand): Don't handle tls here.  Check CONST offsets.
3364
3365 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
3366
3367         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
3368         Remove hilo_operand check.
3369         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
3370         * config/mips/predicates.md (hilo_operand): Delete.
3371
3372 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
3373
3374         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
3375
3376 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
3377
3378         PR tree-optimizer/18472
3379         * tree-if-conv.c (tree_if_convert_stmt,
3380         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
3381
3382 2005-05-11  Jan Hubicka  <jh@suse.cz>
3383
3384         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
3385         (GTFILES): add except.h.
3386         * except.c (eh_status): Add throw_stmt_table.
3387         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
3388         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
3389         lookup_stmt_eh_region_fn): Declare.
3390         (throw_stmt_node): New structure.
3391         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
3392         * gengtype.c (open_base_files): Add except.h to inlines.
3393         * tree-eh.c (throw_stmt_node): Kill.
3394         (record_stmt_eh_region): Update.
3395         (add_stmt_to_eh_region_fn): Break out from ...
3396         (add_stmt_to_eh_region): ... here.
3397         (remove_stmt_from_eh_region_fn): Break out from ...
3398         (remove_stmt_from_eh_region): ... here.
3399         (lookup_stmt_eh_region_fn): Break out from ...
3400         (lookup_stmt_eh_region): ... here.
3401         (honor_protect_cleanup_actions): Use build_resx.
3402         (lower_try_finally_onedest): Likewise.
3403         (lower_try_finally_copy): Likewise.
3404         (lower_try_finally_switch): Likewise.
3405         (lower_eh_constructs): Update eh table construction.
3406         * tree.c (build_resx): New.
3407         * tree.h (build_resx): Declare.
3408
3409 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
3410
3411         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
3412         is needed.
3413
3414 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
3415
3416         * fold-const.c, libgcov.c: Fix comment typos.
3417
3418         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
3419         redundant code.
3420
3421 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
3422
3423         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3424         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
3425         default definition.
3426         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
3427
3428 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
3429
3430         PR bootstrap/21481
3431         * crtstuff.c: Include auto-host.h again, for now.
3432
3433 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
3434
3435         * config/mips/24k.md: Remove trailing whitespace.
3436
3437 2005-05-11  David Ung  <davidu@mips.com>
3438
3439         * config/mips/mips.md (type): Add imul3.
3440         (length, hazard, may_clobber_hilo): Check for imul3.
3441         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
3442         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
3443         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
3444         for a 3 operand mul and its bypasses.
3445         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
3446         * config/mips/4000.md (r4k_imul): Likewise.
3447         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
3448         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
3449         (vr4130_muldi): Likewise.
3450         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
3451         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
3452         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
3453         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
3454         (ir_vr54_imadd_si): Likewise.
3455         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
3456         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
3457         (rm7_impy_di): Likewise.
3458         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
3459         * config/mips/generic.md (generic_imul): Likewise.
3460         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
3461         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
3462
3463 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
3464
3465         PR middle-end/20371:
3466         * tree.h (record_layout_info_s): New member prev_packed.
3467         * stor-layout.c (update_alignment_for_field): Fix comment about
3468         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
3469         we start it properly aligned.
3470         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
3471         to update_alignment_for_field, and recompute it afterwards using
3472         the alignment of the record.
3473         When a packed bitfield precedes an MS bitfield, don't add padding
3474         at the end of the packed bitfield on behalf of the base type of
3475         the packed bit field.
3476         Don't adjust rli->bitpos at the end
3477         of an MS bitfield run if we already adjusted bitpos/offset for an
3478         alignment as large or larger than the bitfield type size.
3479         Take possible record alignment > BIGGEST_ALIGNMENT into account
3480         when calculating actual_align.
3481         Only put packed buit fields into rli->prev_field if they end up
3482         suitably aligned.
3483         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
3484         Update rli->remaining_in_alignment when we have already started a
3485         run of bit fields and we process a packed bit field.
3486
3487 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
3488
3489         * tree-data-ref.c (find_data_references_in_loop): Give up when
3490         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
3491         may embed arbitrary side effects.
3492         Remove the assumption that GIMPLE form contains a single array
3493         access per statement.
3494         When the statement contains virtual operands, fail if it is not
3495         a MODIFY_EXPR or a CALL_EXPR.
3496         Return after the dont know node is inserted.
3497
3498 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
3499
3500         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
3501
3502 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
3503
3504         PR middle-end/19807
3505         PR tree-optimization/19639
3506         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
3507         and generic summands for char* as s * delta, too, folding &a[i]
3508         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
3509         for comparison of steps.  Convert types for index addition.
3510         (fold_binary): Adjust the callers to always dispatch to
3511         try_move_mult_to_index.
3512         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
3513         expr with non-gimple ARRAY_REF offset.
3514
3515 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
3516
3517         * fold-const.c (fold_indirect_ref_1): Avoid removing
3518         NOP_EXPRs with type qualifiers like const.
3519
3520 2005-05-11  Richard Henderson  <rth@redhat.com>
3521
3522         PR c/21502
3523         * c-decl.c (finish_decl): Propagate the completed array type of
3524         a global variable into the binding.
3525
3526 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
3527
3528         * Makefile.in (gtype-desc.o, build/genautomata.o)
3529         (build/varray.o): Depend on $(VARRAY_H).
3530
3531 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
3532
3533         * tree-optimize.c (init_tree_optimization_passes): Re-organize
3534         optimization passes to do an initial batch of scalar cleanups.
3535
3536 2005-05-10  Ian Lance Taylor  <ian@airs.com>
3537
3538         * read-rtl.c (struct macro_traverse_data): Define.
3539         (map_attr_string): New static function, broken out of
3540         apply_macro_to_string.
3541         (mode_attr_index, apply_mode_maps): New static functions.
3542         (apply_macro_to_string): Call map_attr_string.
3543         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
3544         all callers.
3545         (apply_macro_traverse): Expect data to point to a struct
3546         macro_traverse_data.
3547         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
3548         to pass data through htab_traverse.
3549         (read_rtx_1): Add mode_maps parameter.  Change all callers.
3550         Handle mode names which are attribute strings.
3551         * doc/md.texi (Substitutions): Rename from String Substitutions.
3552         Change references.  Document using attributes as modes.
3553
3554 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
3555
3556         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
3557         * tree-optimize.c (init_tree_optimization_passes) Swap
3558         pass_ch and pass_profile.
3559         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
3560         here.  Remove rewrite_into_loop_closed_ssa call.
3561
3562 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
3563
3564         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
3565         function.
3566         (legitimate_reload_constant_p): Add check for const double zero.
3567         * config/s390/s390.md: Add comment for constraint letter 'G'.
3568         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
3569         attributes for new case.
3570         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
3571         s390_const_double_ok_for_constraint_p.
3572         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
3573         Add prototype.
3574
3575 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
3576
3577         PR tree-optimization/21170
3578         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
3579         rewrite_ssa_into_ssa in comments with update_ssa.
3580
3581 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
3582
3583         * tree-ssa-loop-im.c: Include hashtab.h.
3584         (struct mem_ref_loc): New.
3585         (struct mem_ref): Describe the set of references with the same
3586         shape.
3587         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
3588         maybe_queue_var, fem_single_reachable_address,
3589         for_each_memref, single_reachable_address,
3590         is_call_clobbered_ref, determine_lsm_reg): Removed.
3591         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
3592         hoist_memory_reference, memref_hash, memref_eq, memref_del,
3593         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
3594         New functions.
3595         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
3596         (determine_lsm_loop): Rewritten.
3597         (determine_lsm): Do not set stmt uids.
3598
3599 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
3600
3601         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
3602         letters.
3603
3604 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
3605
3606         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
3607         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
3608         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
3609
3610 2005-05-10  Jeff Law  <law@redhat.com>
3611
3612         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
3613         thread_across_edge for any abnormal edges.
3614
3615 2005-05-10  Richard Henderson  <rth@redhat.com>
3616
3617         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
3618         * config/ia64/ia64-protos.h: Declare it.
3619         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
3620         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
3621         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
3622         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
3623         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
3624         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
3625         extend result; use release semantics.
3626         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
3627         (sync_val_compare_and_swap_<IMODE>): Update to match.
3628
3629 2005-05-10  Richard Henderson  <rth@redhat.com>
3630
3631         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
3632         before comparing it for success.
3633
3634 2005-05-10  Richard Henderson  <rth@redhat.com>
3635
3636         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
3637         no return value pattern.
3638
3639 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
3640             H.J. Lu  <hongjiu.lu@intel.com>
3641
3642         * libgcov.c (create_file_directory): New function. Create
3643         directory for the given file name.
3644         (gcov_max_filename): New static var. Keeps size of the longest
3645         file name.
3646         (gcov_exit): Always try to create directory for output
3647         file. Relocate each filename basing on environment vars.
3648         (__gcov_init): Remember the longest file name.
3649         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
3650         * doc/gcov.texi (Cross-profiling): New node documenting
3651         cross-profiling management.
3652         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
3653
3654 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3655
3656         * config/sparc/sparc.c (mem_min_alignment): Do not rely
3657         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
3658
3659 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
3660
3661         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
3662         case code to avoid one move instruction.
3663         (__umodsi3, __modsi3): Merge duplicated code sequences.
3664
3665 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
3666
3667         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
3668         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
3669         * doc/invoke.texi: Fix typos.
3670
3671         * tree-data-ref.c (analyze_array_indexes, analyze_array,
3672         init_data_ref, access_functions_are_affine_or_constant_p,
3673         free_data_refs): Use VEC instead of VARRAY.
3674         * tree-data-ref.h (data_reference): Change the type of
3675         access_fns to VEC(tree,gc)*.
3676         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
3677
3678 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
3679
3680         PR c/17913
3681         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
3682         * fold-const.c (fold): Expand the condition of reducing cond_expr.
3683         (contains_label_1, contains_label_p): New functions for checking
3684         labels in a sub-tree.
3685
3686 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
3687
3688         PR c/21342
3689         * c-decl.c (pushdecl): When there is a declaration in the current
3690         scope and the declarations are external linkage, check for
3691         compatibility with the type in the external scope and update the
3692         type in the external scope with the composite type information.
3693         Do not form a composite type of the new type and the visible type
3694         if they are incompatible.
3695
3696 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
3697
3698         * crtstuff.c: Revert part of 2005-05-08 Change.
3699         (IN_LIBGCC2): Define.
3700
3701 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3702
3703         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
3704         remove redundant test.
3705         (fp_mov_p): Accept 0.
3706         (fp_high_losum_p): Remove redundant test.
3707         * config/sparc/predicates.md (const_high_operand): Explicitly test
3708         (not small_int_operand).
3709         (fp_const_high_losum_operand): New.
3710         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
3711         (movdi_insn_sp32_v9): Use canonical predicates.
3712         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
3713         (movdi_insn_sp64_novis): Delete.
3714         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
3715         (movsf_insn_novis): Delete.
3716         (movsf_insn_vis): Rename into movsf_insn.
3717         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
3718         (movsf_lo_sum): Use fp_const_high_losum_operand.
3719         (movsf_high): Likewise.
3720         (movsf_high_losum splitter): Likewise.
3721         (mov<V32:mode> expander): Use register_or_zero_operand.
3722         (mov<V64:mode> expander): Likewise.
3723         (movdf_insn_sp32): Use register_or_zero_operand.
3724         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
3725         Rename into movdf_insn_sp32_no_fpu.
3726         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
3727         Rename into movdf_insn_sp32_v9_no_fpu.
3728         (movdf_insn_v9only_novis): Delete.
3729         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
3730         (movdf_insn_sp64_novis): Delete.
3731         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
3732         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
3733         Rename into movdf_insn_sp64_no_fpu.
3734         (movtf expander): Use register_or_zero_operand.
3735         (movtf_insn_sp32): Delete.
3736         (movtf_insn_vis_sp32): Use register_or_zero_operand.
3737         Rename into movtf_insn_sp32.
3738         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
3739         Rename into movtf_insn_sp32_no_fpu.
3740         (movtf_insn_hq_sp64): Delete.
3741         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
3742         Rename into movtf_insn_sp64_hq.
3743         (movtf_insn_sp64): Delete.
3744         (movtf_insn_vis_sp64): Use register_or_zero_operand.
3745         Rename into movtf_insn_sp64.
3746         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
3747         Rename into movtf_insn_sp64_no_fpu.
3748
3749 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
3750
3751         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
3752         gcc_assert and gcc_unreachable as appropriate.
3753         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
3754         xstormy16_output_cbranch_si, xstormy16_split_move,
3755         xstormy16_initial_elimination_offset,
3756         xstormy16_encode_section_info, xstormy16_print_operand_address,
3757         xstormy16_expand_call, xstormy16_expand_arith,
3758         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
3759
3760 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
3761
3762         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
3763         const_copies to VEC(tree,heap)*.
3764         (new_elim_graph, delete_elim_graph, elim_graph_size,
3765         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
3766         instead of VARRAY.
3767
3768 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
3769
3770         PR other/21052
3771         * doc/extend.texi (Type Attributes): Correct example syntax.
3772
3773 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
3774
3775         PR c/21160
3776         * doc/invoke.texi (-Wuninitialized): Update documentation.
3777
3778 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
3779
3780         * arm.c (const_ok_for_arm): Use a faster algorithm.
3781
3782 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
3783
3784         PR target/21477
3785         * config/rs6000/rs6000.md (add_op2): New.
3786         (add<mode>3): Use it.
3787
3788 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
3789
3790         * arm.c (arm_gen_constant): Add new heuristic for generating
3791         constant integers that can be expressed as the difference of two
3792         valid immediates.
3793
3794 2005-05-09  Roger Sayle  <roger@eyesopen.com>
3795
3796         * c-tree.h (parser_build_unary_op): New prototype.
3797         * c-typeck.c (parser_build_unary_op): New function to construct
3798         a unary operation in the C parser.
3799         * c-parser.c (c_parser_unary_expression):  Use the new function
3800         parser_build_unary_op when appropriate.
3801
3802 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
3803
3804         PR 18655
3805         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
3806         before outputting DWARF_FRAME_RETURN_COLUMN.
3807
3808 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3809
3810         * config/s390/s390.c: (s390_branch_condition_mask,
3811         s390_branch_condition_mnemonic, s390_extra_constraint_str,
3812         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
3813         legitimize_pic_address, s390_emit_tls_call_insn,
3814         legitimize_tls_address, legitimize_tls_address,
3815         s390_expand_addcc, print_shift_count_operand, print_operand,
3816         addr_generation_dependency_p, annotate_constant_pool_refs,
3817         s390_split_branches, find_constant_pool_ref,
3818         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
3819         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
3820         s390_output_pool_entry, s390_function_value,
3821         s390_call_saved_register_used, s390_emit_call): Replace
3822         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
3823         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
3824         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
3825         get_some_local_dynamic_name, s390_function_arg_size,
3826         s390_function_arg_advance, s390_function_arg,
3827         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
3828         default case by gcc_unreachable.
3829         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
3830         conditional abort by gcc_assert.
3831         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
3832         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
3833
3834 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3835
3836         * config/s390/s390.c: (s390_decompose_address,
3837         tls_symbolic_operand, legitimate_pic_operand_p,
3838         legitimate_constant_p, legitimate_reload_constant_p,
3839         s390_expand_plus_operand, legitimate_address_p,
3840         legitimate_la_operand_p, ): Remove 'register' from signature.
3841         (symbolic_reference_mentioned_p,
3842         tls_symbolic_reference_mentioned_p): Remove 'register' from local
3843         variable declarations.
3844         (legitimize_address): Remove 'register' from
3845         signature and local variable declarations.
3846
3847 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3848
3849         * config/s390/s390-protos.h: (s390_match_ccmode,
3850         s390_match_ccmode_set, reg_used_in_mem_p,
3851         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
3852         legitimate_la_operand_p, preferred_la_operand_p,
3853         s390_short_displacement, addr_generation_dependency_p,
3854         legitimate_reload_constant_p, legitimate_address_p): Change return type
3855         into 'bool'.
3856         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
3857         * config/s390/s390.c: (s390_match_ccmode,
3858         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
3859         legitimate_reload_constant_p): Change return type into 'bool'.
3860         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
3861         Likewise.  Additionally adapted comment.
3862         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
3863         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
3864         (s390_decompose_address): Change the type of the internal flags
3865         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
3866         (struct s390_address): Change type of "pointer" into bool.
3867         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
3868         Adapt calls for 's390_tm_ccmode' to the new signature.
3869
3870 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3871
3872         * config/s390/s390.c: (s390_match_ccmode_set,
3873         s390_branch_condition_mnemonic, s390_short_displacement,
3874         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
3875         print_shift_count_operand, get_some_local_dynamic_name,
3876         get_some_local_dynamic_name_1, reg_used_in_mem_p,
3877         addr_generation_dependency_p, s390_split_branches,
3878         annotate_constant_pool_refs, find_constant_pool_ref,
3879         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
3880         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
3881         s390_register_info, s390_frame_info, s390_init_frame_layout,
3882         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
3883         restore_gprs, s390_function_arg_size, s390_function_arg_float,
3884         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
3885         s390_encode_section_info, s390_cannot_force_const_mem,
3886         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
3887         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
3888         s390_adjust_priority, s390_issue_rate,
3889         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
3890         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
3891         s390_build_builtin_va_list, s390_gimplify_va_arg,
3892         s390_function_ok_for_sibcall, s390_call_saved_register_used,
3893         s390_pass_by_reference, s390_fixed_condition_code_regs,
3894         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
3895         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
3896         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
3897         s390_add_pool_insn, s390_find_pool, s390_add_constant,
3898         s390_find_constant, s390_add_execute, s390_find_execute,
3899         s390_execute_label, s390_execute_target, s390_dump_pool,
3900         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
3901         Move target macro definitions to the end of the file.  Move several
3902         functions within the file to assure correct compiling.
3903
3904 2005-05-09  Steven Bosscher  <stevenb@suse.de>
3905
3906         * calls.c (purge_reg_equiv_notes): Remove, fold into...
3907         (fixup_tail_calls): ...here.  Only look at insns between the
3908         start of the function and the FUNCTION_BEG insn note.
3909
3910         * gcse.c (one_cprop_pass): Fix typos in dumps.
3911
3912         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
3913
3914 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3915
3916         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
3917         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
3918         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
3919         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
3920         CC_REGNUM)'.
3921         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
3922         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
3923         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
3924         REG_SC)'.
3925
3926 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3927
3928         * config/s390/s390.md: ("gf") New mode attribute.
3929         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
3930         "fixuns_truncsfsi2"): Merge.
3931         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
3932         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
3933         "fix_truncsfsi2_ieee"): Merge.
3934
3935 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3936
3937         * config/s390/s390.md: ("FPR") New mode macro.
3938         ("de", "dee"): New mode attributes.
3939         ("cmpdf", "cmpsf"): Merge.
3940         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
3941         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
3942         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
3943         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
3944         ("floatdidf2", "floatdisf2"): Merge.
3945         ("adddf3", "addsf3"): Merge.
3946         ("*adddf3", "*addsf3"): Merge.
3947         ("*adddf3_cc", "*addsf3_cc"): Merge.
3948         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
3949         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
3950         ("subdf3", "subsf3"): Merge.
3951         ("*subdf3", "*subsf3"): Merge.
3952         ("*subdf3_cc", "*subsf3_cc"): Merge.
3953         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
3954         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
3955         ("muldf3", "mulsf3"): Merge.
3956         ("*muldf3", "*mulsf3" "): Merge.
3957         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
3958         ("*fmadddf", "*fmaddsf"): Merge.
3959         ("*fmsubdf", "*fmsubsf"): Merge.
3960         ("divdf3", "divsf3"): Merge.
3961         ("*divdf3", "*divsf3"): Merge.
3962         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
3963         ("negdf2", "negsf2"): Merge.
3964         ("*negdf2_cc", "*negsf2_cc"): Merge.
3965         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
3966         ("*negdf2", "*negsf2"): Merge.
3967         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
3968         ("absdf2", "abssf2"): Merge.
3969         ("*absdf2_cc", "*abssf2_cc"): Merge.
3970         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
3971         ("*absdf2", "*abssf2"): Merge.
3972         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
3973         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
3974         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
3975         ("*negabsdf2", "*negabssf2"): Merge.
3976         ("sqrtdf2", "sqrtsf2"): Merge.
3977
3978 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
3979
3980         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
3981         attribute names.
3982         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
3983         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
3984         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3985         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
3986         attribute names.
3987         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
3988         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
3989         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
3990         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
3991         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
3992         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
3993         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
3994         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
3995         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
3996         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
3997         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
3998         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
3999         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
4000         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
4001         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
4002         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
4003         'type' value.
4004         ("*divsf3"): Additionally rename second pattern to
4005         "*divsf3_ibm".
4006         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
4007         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
4008         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
4009         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
4010         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
4011         'type values' and rename 'type' value.
4012         ("*addsf3"): Additionally rename second pattern to
4013         "*addsf3_ibm".
4014
4015 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4016
4017         * config/s390/s390.md: ("SHIFT"): New mode macro.
4018         ("lr", "shift"): New mode attributes.
4019         ("ashldi3", "lshrdi3"): Merge.
4020         ("*ashldi3_31", "*lshrdi3"_31): Merge.
4021         ("*ashldi3_64", "*lshrdi3"_64): Merge.
4022         ("ashlsi3", "lshrsi3"): Merge.
4023
4024 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4025
4026         * config/s390/s390.md: ("DSI", "SCOND"): New mode
4027         macros.
4028         ("E", "g"): New mode attributes.
4029         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
4030         ("*adddi3_alc", "*addsi3_alc"): Merge.
4031         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
4032         ("*subdi3_slb", "*subsi3_slb"): Merge.
4033         ("adddicc", "addsicc"): Merge.
4034         ("*sconddi", "*scondsi"): Merge.
4035         ("*sconddi_neg", "*scondsi_neg"): Merge.
4036         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
4037         ("negdi2", "negsi2"): Extract expander pattern from
4038         "negsi2" and merge with "negdi2".
4039         ("*negdi2"): Merge with instruction pattern of "negsi2".
4040         ("*negdi2_cc", "*negsi2_cc"): Merge.
4041         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
4042         ("rotldi3", "rotlsi3"): Merge.
4043
4044 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4045
4046         * config/s390/s390.md: ("hc"): New mode attribute.
4047         ("extendhidi2", "extendqidi2"): Merge.
4048         ("*extendhidi2", "*extendqidi2"): Merge.
4049         ("extendhisi2", "extendqisi2"): Merge.
4050         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
4051         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
4052         Merged 2 define_split.
4053         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
4054         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
4055
4056 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4057
4058         * config/s390/s390.md: ("COMPARE"): New mode macro.
4059         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
4060         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
4061         "bungt", "bunle", "bunge", "bltgt"): Merge.
4062
4063 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4064
4065         * config/s390/s390.md: ("INT"): New mode macro.
4066         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
4067         Merge.
4068
4069 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4070
4071         * config/s390/s390.md: ("GPR", "P"): New mode macros.
4072         ("cmpdi", "cmpsi"): Merge.
4073         ("strlendi", "strlensi"): Merge.
4074         ("*strlendi", "*strlensi"): Merge.
4075         ("movmemdi", "movmemsi"): Merge.
4076         ("clrmemdi", "clrmemsi"): Merge.
4077
4078 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
4079
4080         * config/s390/s390.md: ("HQI"): New mode macro.
4081         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
4082         ("*tmhi_full", "*tmqi_full"): Merge.
4083         ("*tsthiCCT", "*tstqiCCT"): Merge.
4084         ("*tsthi", "*tstqi"): Merge.
4085         ("*tsthi_cconly", "tstqi_cconly"): Merge.
4086         ("*sethighhisi", "*sethighqisi"): Merge.
4087
4088 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
4089
4090         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
4091         config/alpha/unicosmk.h, config/arc/arc.md,
4092         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
4093         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
4094         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
4095         config/arm/semi.h, config/arm/uclinux-elf.h,
4096         config/arm/wince-pe.h, config/fr30/fr30.c,
4097         config/rs6000/altivec.h: Update copyright.
4098
4099 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4100
4101         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
4102         gcc_assert and gcc_unreachable as appropriate.
4103         (pdp11_output_function_epilogue, output_move_double,
4104         output_move_quad, print_operand_address, output_jump,
4105         output_addr_const_pdp11): Likewise.
4106         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
4107         ASM_OUTPUT_ALIGN): Likewise.
4108         * config/pdp11/pdp11.md: Likewise.
4109         (extendhisi2, subhi3, subqi3): Likewise.
4110
4111 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
4112
4113         PR middle-end/21237
4114         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
4115         to NE_EXPR case.
4116
4117 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
4118
4119         * config/ia64/ia64.c: Fix a comment typo.
4120
4121 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
4122
4123         PR target/21397
4124         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
4125         (arm_override_options): Use them instead of manifest constants.  Don't
4126         allow -march to override the -mtune setting.
4127
4128 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4129
4130         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
4131         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
4132         (function_arg_advance, function_arg, save_restore_insns,
4133         iq2000_expand_prologue, iq2000_output_conditional_branch,
4134         expand_one_builtin, print_operand):
4135         * config/iq2000/iq2000.md (tablejump): Likewise.
4136
4137 2005-05-09  David Ung  <davidu@mips.com>
4138
4139         * config/mips/mips.h (processor_type): Add names for the 24K.
4140         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
4141         processor family.
4142         * config/mips/mips.md (cnv_mode): New attribute for recording the
4143         conversion types of float convert insns.
4144         (cpu): Add 24k and 24kx.
4145         (include): Include 24k.md file.
4146         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
4147         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
4148         (floatdisf2): Setup cnv_mode.
4149         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
4150         setup cnv_mode.
4151         * config/mips/24k.md: New file, contains 24k DFA pipeline
4152         description.
4153
4154 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
4155
4156         * config/sh/sh.c (print_operand_address): Use gcc_assert and
4157         gcc_unreachable as appropriate.
4158         (print_operand, prepare_move_operands, prepare_scc_operands,
4159         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
4160         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
4161         fixup_mova, gen_far_branch, sh_reorg, split_branches,
4162         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
4163         sh_set_return_address, sh_setup_incoming_varargs,
4164         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
4165         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
4166         check_use_sfunc_addr): Likewise.
4167         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
4168         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
4169         * config/sh/symbian.c (sh_symbian_mark_dllexport,
4170         sh_symbian_mark_dllimport): Likewise.
4171         * config/sh/sh.md: Likewise.
4172         (movdicc, call_pop, call_value_pop, casesi_worker_1,
4173         casesi_worker_2, casesi_shift_media, casesi_load_media,
4174         return_media): Likewise.
4175
4176 2005-05-08  Roger Sayle  <roger@eyesopen.com>
4177
4178         PR inline-asm/8788
4179         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
4180         operands.
4181
4182 2005-05-08  Richard Henderson  <rth@redhat.com>
4183
4184         * config/alpha/alpha.c (adjust_address): Fix typo last change.
4185
4186 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4187
4188         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
4189         and -1 can happen in reg_renumber when no hard register is assigned.
4190
4191 2005-05-08  Steven Bosscher  <stevenb@suse.de>
4192             Kazu Hirata  <kazu@cs.umass.edu>
4193
4194         PR tree-optimization/14841, tree-optimization/15838
4195         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
4196         (evaluate_stmt): Call it.
4197
4198 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
4199
4200         * config/ia64/ia64.c (ia64_override_options): Don't set
4201         ia64_flag_var_tracking and clear flag_var_tracking here...
4202         (ia64_file_start): ... but here.
4203
4204 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4205
4206         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
4207         and gcc_unreachable as appropriate.
4208         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
4209         m68hc11_gen_highpart, print_operand, print_operand_address,
4210         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
4211         m68hc11_gen_movhi): Likewise.
4212         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
4213         * config/m68hc11/m68hc11.md: Reword comment.
4214
4215 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4216
4217         PR target/21281
4218         * config/m68hc11/predicates.md (splitable_operand): An immediate is
4219         allowed.
4220
4221 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4222
4223         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
4224         the 68HC12 address indirect addressing mode as it is not supported by
4225         bset and bclr.
4226         * config/m68hc11/m68hc11-protos.h
4227         (m68hc11_valid_addressing_p): Declare.
4228         (m68hc11_add_mode): Declare.
4229         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
4230         register_indirect_p and export it.
4231         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
4232         instruction so that it is part of the good BB.
4233         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
4234         addressing with movw.
4235         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
4236         68HC12.
4237         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
4238         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
4239         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
4240         for 68HC11.
4241         ("*movhi_68hc12"): Handle movhi_const0.
4242         ("*subhi3", "subqi3"): Use general_operand for operand 1.
4243         ("*subhi3_zext"): Likewise.
4244
4245 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4246
4247         PR target/19051
4248         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
4249         operand 1 and fix constraints.
4250         ("mulqihi3"): Use general_operand for operand 2.
4251
4252 2005-05-08  Julian Brown  <julian@codesourcery.com>
4253             H.J. Lu  <hongjiu.lu@intel.com>
4254             Paul Brook  <paul@codesourcery.com>
4255
4256         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
4257         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
4258         20050308/2.16.0 or newer for comdat group.
4259         * configure: Regenerated.
4260         * config.in: Regenerated.
4261         * varasm.c (default_function_rodata_section): Put .rodata section in
4262         COMDAT group when necessary.
4263         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
4264         HAVE_COMDAT_GROUP.
4265         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
4266         available.
4267
4268 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
4269
4270         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
4271         instead of VARRAY.
4272         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
4273         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
4274         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
4275         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
4276
4277 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
4278
4279         PR target/16925
4280         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
4281         64-bit constants on 64-bit hosts.
4282         (m68hc11_split_logical): Simplify.
4283         (m68hc11_split_move): Likewise.
4284
4285 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4286             Paolo Bonzini  <bonzini@gnu.org>
4287
4288         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
4289         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
4290         * configure.ac (enable_checking): Fix typos in runtime_checking.
4291         (ENABLE_RUNTIME_CHECKING): Mark as target template.
4292         (xm_file): Prepend auto-host.h
4293         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
4294         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
4295         tconfig.h.
4296         * crtstuff.c: Do not include auto-host.h.
4297         (IN_LIBGCC2): Do not define.
4298         * gcov-io.h: Include tconfig.h, not auto-host.h.
4299         * libgcc2.c: Do not include auto-host.h.
4300         (abort): Do not undefine.
4301         * libgcov.c: Remove unneeded comment about config.h.
4302         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
4303         * config.in, configure: Regenerated.
4304
4305 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4306             Falk Hueffner  <falk@debian.org>
4307
4308         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
4309         and gcc_unreachable as appropriate.
4310         (get_aligned_mem, get_unaligned_address,
4311         alpha_emit_set_long_const, alpha_emit_conditional_branch,
4312         alpha_emit_setcc, alpha_emit_conditional_move,
4313         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
4314         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
4315         alpha_expand_unaligned_load, alpha_expand_block_move,
4316         alpha_expand_zap_mask, get_trap_mode_suffix,
4317         get_round_mode_suffix, get_some_local_dynamic_name,
4318         print_operand_address, function_arg, alpha_return_in_memory,
4319         function_value, alpha_expand_builtin,
4320         alpha_initial_elimination_offset, alpha_expand_epilogue,
4321         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
4322         alphaev5_next_group, alpha_align_insns,
4323         unicosmk_initial_elimination_offset, unicosmk_unique_section,
4324         unicosmk_ssib_name): Likewise.
4325         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
4326         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
4327         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
4328         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
4329         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4330         * config/alpha/alpha.md (*divmodsi_internal_er,
4331         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
4332         call_nt, call_umk, call_vms, call_value, sibcall_value,
4333         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
4334         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
4335         * config/alpha/predicates.md (input_operand): Likewise.
4336
4337 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
4338
4339         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
4340         gcc_unreachable, as appropriate.
4341         (frv_function_prologue, frv_alloc_temp_reg,
4342         frv_initial_elimination_offset, frv_expand_block_move,
4343         frv_expand_block_clear, frv_print_operand_jump_hint,
4344         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
4345         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
4346         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
4347         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
4348         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
4349         frv_in_small_data_p, frv_asm_out_constructor,
4350         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
4351         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
4352         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
4353         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
4354         sibcall_value, casesi): Likewise.
4355
4356         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
4357         gcc_unreachable as appropriate.
4358         (print_operand_address, mn10300_print_reg_list, expand_prologue,
4359         expand_epilogue, notice_update_cc, initial_offset,
4360         mn10300_address_cost_1): Likewise.
4361         * config/mn10300/mn10300.md: Likewise.
4362         (absdf2, abssf2, negdf2, negsf2): Likewise.
4363
4364 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
4365
4366         PR target/21416
4367         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
4368         comparisons.
4369         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
4370         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
4371         including sunge_<mode> and sungt_<mode>.
4372
4373 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
4374
4375         * integrate.h (get_hard_reg_initial_val): Change type of register
4376         parameter from int to unsigned int.
4377         (has_hard_reg_initial_val): Likewise.
4378         * integrate.c (get_hard_reg_initial_val): Likewise.
4379         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
4380
4381 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
4382
4383         * except.c (eh_status): Change the type of ttype_data to
4384         VEC(tree,gc)*.
4385         (add_ttypes_entry, assign_filter_values,
4386         output_function_exception_table): Use VEC instead of VARRAY.
4387
4388 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
4389
4390         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
4391
4392 2005-05-07  Paul Brook  <paul@codesourcery.com>
4393
4394         * Makefile.in: Fix dependencies.
4395         (GCOV_IO_H, VARRAY_H): Set.
4396
4397 2005-05-07  Anthony Green  <green@redhat.com>
4398
4399         PR bootstrap/21403
4400         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
4401         x$STMP_FIXPROTO test.
4402         * configure: Rebuilt.
4403
4404 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
4405
4406         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
4407         inappropriate feature test macros if flag_iso.
4408
4409 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
4410
4411         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
4412
4413 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
4414
4415         PR target/21441
4416         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
4417         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
4418         Handle moved operand being in special register.
4419         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
4420         presumed working insn.
4421         (mover2side): Add FIXME.
4422
4423 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
4424
4425         * integrate.c (get_func_hard_reg_initial_val): Delete.
4426         (has_func_hard_reg_initial_val): Delete.
4427         (get_hard_reg_initial_val): Inline the old implementation of
4428         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
4429         instead of has_func_hard_reg_initial_val to test for an existing
4430         pseudo.  Only create an rtx if a new initial value entry is needed.
4431         (has_hard_reg_initial_val): Scan the initial value list directly.
4432         Don't create an rtx.
4433
4434 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
4435
4436         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
4437         from extra_options.
4438         * config.in (HAVE_AS_POPCNTB): New.
4439         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
4440         (HAVE_AS_POPCNTB): New.
4441         * configure: Regenerated.
4442         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
4443         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
4444         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
4445         and rs6000_sched_costly_dep.
4446         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
4447         (TARGET_XL_COMPAT): Delete.
4448         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
4449         (popcount<mode>2): New.
4450         (popcntb<mode>2): New.
4451         * config/rs6000/rs6000.opt (mpopcntb): New.
4452
4453         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
4454         if variable name exists.
4455
4456 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
4457
4458         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
4459
4460 2005-05-07  Richard Henderson  <rth@redhat.com>
4461
4462         PR target/21412
4463         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
4464         with constant offsets.
4465
4466 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
4467
4468         * config/v850/v850.c (print_operand): Use gcc_assert and
4469         gcc_unreachable, as appropriate.
4470         (print_operand_address, v850_handle_data_area_attribute,
4471         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
4472         v850_insert_attributes, construct_prepare_instruction): Likewise.
4473         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
4474         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
4475
4476 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
4477
4478         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
4479         config/rs6000/rs6000.h: Fix comment typos.
4480
4481 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
4482
4483         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
4484         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
4485         (mips_scalar_mode_supported_p): Delete.
4486
4487 2005-05-06  Eric Christopher  <echristo@redhat.com>
4488
4489         * config/mips/mips.opt: Remove -mint64 option.
4490         * config/mips/mips.c (override_options): Remove -mint64
4491         handling.
4492         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
4493         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
4494         64-bit integer handling.
4495         * doc/invoke.texi (Option Summary): Remove -mint64 for
4496         mips.
4497
4498 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
4499
4500         PR tree-optimization/19401
4501         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
4502         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
4503         (estimated_unrolled_size): New function.
4504         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
4505         tree_unroll_loops_completely): Always unroll loops if the code size
4506         does not increase.
4507         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
4508         loops should be unrolled completely.
4509         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
4510
4511 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
4512
4513         PR rtl-optimization/21254
4514         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
4515         assumptions for loops that otherwise do not roll.
4516         (find_simple_exit): Prefer # of iterations that is guaranteed
4517         not to be infinite.
4518         * loop-unroll.c (decide_peel_once_rolling,
4519         decide_peel_completely): Check whether the loop is infinite.
4520
4521 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
4522
4523         * config/rs6000/sysv4.opt: Fix typo.
4524
4525 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
4526             Jakub Jelinek  <jakub@redhat.com>
4527
4528         PR target/21329
4529         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
4530         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
4531         Don't use rep; movs{l,q} if the repetition count is really small,
4532         instead use a sequence of movs{l,q} instructions.
4533
4534 2005-05-06  Jeff Law  <law@redhat.com>
4535
4536         PR tree-optimization/21380
4537         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
4538         thread through a block with no preds.
4539
4540 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
4541
4542         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
4543         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
4544         add_call_read_ops): Use VEC instead of VARRAY.
4545
4546 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
4547
4548         * config/mcore/mcore.c (mcore_print_operand_address): Use
4549         gcc_assert and gcc_unreachable as appropriate.
4550         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
4551         mcore_output_andn, output_inline_const, mcore_output_move,
4552         mcore_output_movedouble, mcore_expand_block_move,
4553         layout_mcore_frame, mcore_initial_elimination_offset,
4554         mcore_expand_prolog, mcore_mark_dllexport,
4555         mcore_mark_dllimport): Likewise.
4556         * config/mcore/mcore.h (switch_to_section): Likewise.
4557         * config/mcore/mcore.md: Likewise.
4558
4559 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
4560
4561         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
4562         TARGET_PROFILE_KERNEL.
4563
4564         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
4565         TARGET_PROFILE_KERNEL use.
4566
4567 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
4568
4569         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
4570         and gcc_unreachable, as appropriate.
4571         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
4572         m32r_expand_prologue, m32r_output_function_epilogue,
4573         m32r_legitimize_pic_address, m32r_print_operand_address,
4574         emit_cond_move, m32r_function_symbol,
4575         m32r_output_block_move): Likewise.
4576         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
4577         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
4578         *rev_zero_branch_insn): Likewise.
4579
4580 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
4581
4582         PR c++/20961
4583         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
4584         if both NEWDECL and OLDDECL are already weak.
4585
4586 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
4587
4588         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
4589
4590 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
4591             Kaz Kojima  <kkojima@gcc.gnu.org>
4592
4593         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
4594         and plus_constant.
4595
4596 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
4597             David Edelsohn  <edelsohn@gnu.org>
4598
4599         * config.gcc: Add .opt magic for the rs6000 ports.
4600
4601         * doc/invoke.texi: Document -mabi= option properly.  Document
4602         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
4603         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
4604         -misel=.
4605
4606         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
4607         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
4608         TARGET_XL_COMPAT.
4609
4610         * config/rs6000/aix.opt: New.
4611         * config/rs6000/aix41.opt: New.
4612         * config/rs6000/aix64.opt: New.
4613         * config/rs6000/darwin.opt: New.
4614         * config/rs6000/linux64.opt: New.
4615         * config/rs6000/rs6000.opt: New.
4616         * config/rs6000/sysv4.opt: New.
4617
4618         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
4619         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
4620         SUBTARGET_SWITCHES.
4621         Define TARGET_USES_SYSV4_OPT.
4622         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
4623         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
4624         TARGET_USES_AIX64_OPT.
4625         * config/rs6000/aix51.h: Same.
4626         * config/rs6000/aix52.h: Same.
4627         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
4628         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
4629         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
4630         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
4631         * config/rs6000/linux64.h: Use
4632         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
4633
4634         * config/rs6000/rs6000.c: Remove definitions of
4635         rs6000_sched_restricted_insns_priority,
4636         rs6000_long_double_size_string, rs6000_altivec_vrsave,
4637         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
4638         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
4639         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
4640         rs6000_alignment_string.  Define rs6000_explicit_options.
4641         (rs6000_parse_abi_options): Remove.
4642         (rs6000_parse_alignment_option): Remove.
4643         (rs6000_parse_float_gprs_option): Remove.
4644         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
4645         TARGET_DEFAULT_TARGET_FLAGS.
4646         (rs6000_override_options): Revamp to use new .opt machinery.
4647
4648         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
4649         of new .opt machinery.  Remove target_flags.  Redefine
4650         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
4651         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
4652         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
4653         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
4654         rs6000_longcall_switch, rs6000_default_long_calls,
4655         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
4656         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
4657         TARGET_ALTIVEC_VRSAVE.
4658
4659 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
4660
4661         * config.gcc (hppa1.1-*-rtems*): Remove.
4662         * config/pa/rtems.h: Remove.
4663
4664 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
4665
4666         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
4667         Exclude roe/603e multilib variants.
4668
4669 2005-05-04  Denis Chertykov  <denisc@overta.ru>
4670
4671         PR target/21284
4672         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
4673         for output.
4674
4675 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
4676
4677         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
4678         arm/pe.opt to $extra_options.
4679         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
4680         (target_float_abi_name, target_float_switch, target_abi_name)
4681         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
4682         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
4683         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
4684         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
4685         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
4686         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
4687         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
4688         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
4689         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
4690         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
4691         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
4692         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
4693         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
4694         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
4695         (arm_pic_register_string): Delete.
4696         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
4697         TARGET_TPCS_FRAME.
4698         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
4699         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
4700         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
4701         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
4702         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
4703         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
4704         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
4705         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
4706         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
4707         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
4708         (SUBTARGET_SWITCHES): Delete.
4709         * config/arm/arm.c (target_float_switch): Delete.
4710         (arm_cpu_select): Moved from config/arm/arm.h.
4711         (target_fpu_name, target_fpe_name, target_float_abi_name)
4712         (target_abi_name, structure_size_string, arm_pic_register_string)
4713         (arm_select): Make static.
4714         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4715         (arm_handle_option): New function.
4716         (arm_override_options): Update target_flags checks for new mask names.
4717         Remove target_float_switch code.
4718         (arm_expand_prologue, thumb_expand_prologue): Check
4719         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
4720         * config/arm/arm.opt, config/arm/pe.opt: New files.
4721
4722 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
4723
4724         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
4725         gcc_unreachable as appropriate.
4726         (arc_double_limm_p, arc_setup_incoming_varargs,
4727         arc_compute_function_type, arc_output_function_prologue,
4728         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
4729         output_shift, arc_print_operand, arc_print_operand_address,
4730         arc_final_prescan_insn): Likewise.
4731         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
4732
4733 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
4734
4735         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
4736         comparing Pmode.
4737         (SDI): New.
4738         (cmp): Delete.
4739         (wd): New.
4740         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
4741         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
4742         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
4743         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
4744         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
4745         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
4746         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
4747         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
4748
4749 2005-05-05  Paul Brook  <paul@codesourcery.com>
4750
4751         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
4752         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
4753         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
4754         and tree-data-ref.h with *_H variables.
4755
4756 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
4757
4758         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
4759
4760 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
4761
4762         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
4763
4764 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
4765
4766         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
4767
4768 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
4769
4770         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
4771         setting of vrsave register for current function after
4772         call to save_world is emitted.
4773
4774 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
4775
4776         * config/mmix/predicates.md: New file.
4777         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
4778         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
4779         (mmix_foldable_comparison_operator, mmix_comparison_operator)
4780         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
4781         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4782         Don't define.
4783         * config/mmix/mmix.md: Include predicates.md.
4784         ("call", "call_value"): Force address to register if it isn't a
4785         mmix_symbolic_or_address_operand.
4786
4787 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
4788
4789         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
4790         the flags are of appropriate types.
4791         (num_ssa_operands): Generalize using the generic interface.
4792         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
4793         iterator.
4794
4795 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
4796
4797         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
4798         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
4799
4800 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
4801
4802         * tree-outof-ssa.c (edge_leader, stmt_list,
4803         analyze_edges_for_bb): Use VEC instead of VARRAY.
4804         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
4805         (perform_edge_inserts): Call init_analayze_edges_for_bb and
4806         fini_analayze_edges_for_bb.
4807
4808 2005-05-04  James E Wilson  <wilson@specifixinc.com>
4809
4810         PR driver/21112
4811         * gcc.c (process_command): In the second argv scan loop, ignore
4812         Xassembler and Xpreprocessor, along with their argument.
4813
4814 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
4815
4816         * tree-flow-inline.h, tree-ssa-operands.c,
4817         tree-ssa-operands.h, tree-ssa-opfinalize.h:
4818         Likewise. tree-vn.c: Fix comment typos.
4819         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
4820
4821 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
4822
4823         * doc/tm.texi (Target Hooks): Document
4824         TARGET_RESOLVE_OVERLOADED_BUILTIN.
4825
4826 2005-05-04  Paul Brook  <paul@codesourcery.com>
4827
4828         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
4829
4830 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
4831
4832         * dwarf2out.c (incomplete_types, retry_incomplete_types,
4833         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
4834         of VARRAY.
4835
4836         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
4837         get_expansion, expand_var_during_unrolling,
4838         insert_var_expansion_initialization,
4839         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
4840         instead of VARRAY.
4841
4842         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
4843         update_stmt.
4844
4845 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
4846
4847         PR middle-end/15618
4848         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
4849         the same as INTEGER_TYPE.
4850         (fold_binary): Fold "bool_var != 0" to bool_var.
4851         Fold "bool_var == 1" to bool_var.
4852
4853 2004-05-03  Richard Henderson  <rth@redhat.com>
4854
4855         PR middle-end/21318
4856         * function.c (instantiate_virtual_regs_in_insn): Use the mode
4857         from recog_data instead of insn_data.
4858
4859 2005-05-03  DJ Delorie  <dj@redhat.com>
4860
4861         * common.opt (fdiagnostics-show-option): No variable is needed.
4862         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
4863         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
4864         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
4865         Save and restore original message format.  Use flag in context
4866         instead of global.
4867         (warning): Don't test for enabled warnings here.
4868         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
4869         here.
4870
4871 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
4872
4873         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
4874         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
4875         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
4876         * aclocal.m4: Don't include accross.m4.
4877         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
4878         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
4879         * configure, config.in: Regenerate.
4880
4881 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
4882
4883         PR middle-end/21265
4884         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
4885         (clear_storage): Add argument.
4886         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
4887         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
4888         tailcall.
4889         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
4890         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
4891         (store_expr, store_constructor): Adjust callers.
4892         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
4893         to emit_block_move if CALL_EXPR_TAILCALL (exp).
4894         (expand_builtin_memmove): Add ORIG_EXP argument, copy
4895         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
4896         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
4897         with EXP.  Pass EXP to expand_builtin_memmove.
4898         (expand_builtin_memset): Add ORIG_EXP argument, pass
4899         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
4900         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
4901         Pass EXP to expand_builtin_memset.
4902         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
4903         the new CALL_EXPR.
4904         (expand_builtin_strncmp): Likewise.
4905         (expand_builtin_printf): Replace ARGLIST argument with EXP.
4906         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
4907         (expand_builtin_fprintf): Likewise.
4908         (expand_builtin): Adjust calls to
4909         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
4910
4911         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
4912         item in V4SF mode.
4913
4914         PR rtl-optimization/21239
4915         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
4916
4917 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
4918
4919         * tree-flow.h (tree_ann_common_d): Move aux to ...
4920         (stmt_ann_d): ... here.
4921         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
4922         move_computations_stmt, schedule_sm): Update references to
4923         aux.
4924         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
4925
4926         * tree-cfg.c (remove_bb): Remove a redundant call to
4927         set_bb_for_stmt.
4928         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
4929         Likewise.
4930
4931 2005-05-03  Richard Henderson  <rth@redhat.com>
4932
4933         * config/rs6000/rs6000.c: Remove conflict markers.
4934
4935         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
4936
4937 2005-05-03  James E Wilson  <wilson@specifixinc.com>
4938
4939         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
4940
4941 2005-05-03  DJ Delorie  <dj@redhat.com>
4942
4943         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
4944         decide if the warning will be printed.
4945         * calls.c (expand_call): Likewise.
4946         * function.c (init-function_start): Likewise.
4947
4948         * common.opt (-fdiagnostics-show-option): New.
4949         * opts.c (option_enabled): Accept the option index instead of a
4950         pointer to the option descriptor.
4951         * opts.h (option_enabled): Likewise.
4952         * toplev.c (print_switch_values): Pass option index, not option
4953         descriptor.
4954         * diagnostic.h (diagnostic_info): Add option_index.
4955         * diagnostic.c: Include opts.h.
4956         (diagnostic_set_info): Initialize option_index.
4957         (diagnostic_report_diagnostic): Amend option name if appropriate.
4958         (warning): Check to see if the specified warning is enabled.
4959         Store option index.
4960         * doc/invoke.texi (-fdiagnostics-show-options): Document.
4961
4962 2005-05-03  Richard Henderson  <rth@redhat.com>
4963
4964         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
4965         SPEC_OR_GEN_REGS definitions.
4966
4967 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
4968
4969         PR target/16888
4970         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
4971         for unavailable registers.
4972
4973 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
4974
4975         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
4976
4977         * cfglayout.c (block_locators_blocks,
4978         insn_locators_initialize, insn_scope): Use VEC instead of
4979         VARRAY.
4980
4981         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
4982         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
4983         VARRAY.
4984
4985 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4986
4987         * config/sparc/predicates.md (const_compl_high_operand): New.
4988         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
4989         gen_safe_HIGH64.
4990         (sparc_emit_set_const64_quick1): Adjust for above change.
4991         (sparc_emit_set_const64_quick2): Likewise.
4992         (sparc_emit_set_const64_longway): Likewise.
4993         (sparc_emit_set_const64): Likewise.
4994         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
4995         movdi_const64_special): Delete.
4996         (logical constant splitters): Use const_compl_high_operand.
4997
4998 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
4999
5000         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
5001         rather than STRIP_NOPS.
5002
5003 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
5004
5005         PR rtl-optimization/21330
5006         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
5007         returning non-NULL.
5008         (unswitch_single_loop): Clear cinsn when retrying.
5009
5010         PR target/21297
5011         * config/i386/i386.c (legitimize_address): When canonicalizing
5012         ASHIFT into MULT, multiply by 1 << shift_count instead of
5013         1 << log2 (shift_count).
5014
5015 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
5016
5017         * lambda-code.c (gcc_loop_to_lambda_loop,
5018         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
5019         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
5020         generic operand interface.
5021         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
5022         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
5023         generic operand interface.
5024         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
5025         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
5026         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
5027         num_imm_uses): Use ssa_use_operand_t.
5028         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
5029         get_v_must_def_ops): Delete.
5030         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
5031         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
5032         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
5033         get_v_must_def_kill_ptr): Delete.
5034         (delink_stmt_imm_use): Move and use new operand interface.
5035         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
5036         op_iter_next_tree): Use new operand implementation.
5037         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
5038         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
5039         type check.
5040         (op_iter_next_mustdef, op_iter_next_maydef,
5041         op_iter_next_must_and_may_def): Delete. Replace with...
5042         (op_iter_next_maymustdef): New.  Combine must and may next operations.
5043         (op_iter_init_maydef, op_iter_init_mustdef,
5044         op_iter_init_must_and_may_def): Use new interface.
5045         (single_ssa_tree_operand ): New.  Process single operands only as trees.
5046         (single_ssa_use_operand): New.  Process single operands only as uses.
5047         (single_ssa_def_operand): New.  Process single operands only as defs.
5048         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
5049         specified types.
5050         (num_ssa_operands): New.  Count the number of specified operands.
5051         (compare_ssa_operands_equal): New.  Compare two statements' operands.
5052         (single_phi_def): New.  Return true if PHI has one def of the specified
5053         operand type.
5054         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
5055         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
5056         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
5057         (struct stmt_ann_d): Operands field no longer require GTY().
5058         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
5059         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
5060         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
5061         dump_replaceable_exprs, rewrite_trees): Use generic interface.
5062         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
5063         Use use_operand_p instead of ssa_imm_use_t *.
5064         * tree-pretty-print.c (dump_vops): check if operands are active before
5065         dumping virtual operands.
5066         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
5067         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
5068         (ccp_fold): Use new interface.
5069         (ccp_visit_stmt): Remove unused variables and code.
5070         (convert_to_gimple_builtin): Insert statements before calling
5071         mark_new_vars_to_rename.
5072         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
5073         (copy_prop_visit_cond_stmt): Use generic interface.
5074         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
5075         annotation in table.
5076         (thread_across_edge): Use generic interface.
5077         (initialize_hash_element): Initialzie with stmt, not annotation.
5078         (eliminate_redundant_computations): Use generic interface.
5079         (record_equivalences_from_stmt): Pass stmt, not annotation.
5080         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
5081         interface.
5082         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
5083         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
5084         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
5085         generic operand interface.
5086         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
5087         interface.
5088         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
5089         Interface.
5090         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
5091         (build_defs, build_uses, build_v_may_defs, build_vuses,
5092         build_v_must_defs): Change type to struct opbuild_list_d.
5093         (ops_active): New.  Operands active boolean.
5094         (operand_memory, operand_memory_index): New.  Operand memory managers.
5095         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
5096         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
5097         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
5098         Change from functions to static variable list heads.
5099         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
5100         (opbuild_initialize_real): New.  Initialize a virtual build list.
5101         (opbuild_free): New.  Free a build list.
5102         (opbuild_num_elems): New.  Number of items in a list.
5103         (opbuild_append_real): New.  Add a real (tree *) operand.
5104         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
5105         (opbuild_first): New.  Return first element index in a list.
5106         (opbuild_next): New.  Return next element in a list.
5107         (opbuild_elem_real): New.  Return real element.
5108         (opbuild_elem_virtual): New.  Return virtual element.
5109         (opbuild_elem_uid): New.  Return UID of virtual element.
5110         (opbuild_clear): New.  Reset an operand list.
5111         (opbuild_remove_elem): New.  Remove an element form a list.
5112         (ssa_operands_active): New.  Return true if operand cache is active.
5113         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
5114         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
5115         (correct_use_link): Use use_operand_p.
5116         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
5117         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
5118         (cleanup_v_may_defs): Use new implmentation.
5119         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
5120         implementation.
5121         (append_def, append_use, append_v_may_def, append_vuse,
5122         append_v_must_def): Call opbuild_append routine instead of using varray.
5123         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
5124         global parse_old_ops variable.
5125         (free_ssa_operands): New implementation.
5126         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
5127         (copy_virtual_operands): Move. New generic implementation.
5128         (create_ssa_artficial_load_stmt): Move. New implementation.
5129         (swap_tree_operands): Update for new implementation.
5130         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
5131         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
5132         rather than a varray.
5133         (verify_imm_links): Use use_operand_p.
5134         (dump_immediate_uses_for): If the immediate use variable is a virtual
5135         variable, show the virtual ops in the stmt.
5136         * tree-ssa-operands.h (def_operand_p): No longer a structure.
5137         (NULL_DEF_OPERAND_P): Now a #define.
5138         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
5139         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
5140         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
5141         mustdef_optype_d): New.  Use Linked list representation.
5142         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
5143         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
5144         (struct stmt_operands_d): Change to new pointers that are not GTY.
5145         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
5146         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
5147         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
5148         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
5149         SET_V_MUST_DEF_KILL): Delete.
5150         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
5151         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
5152         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
5153         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
5154         (enum ssa_op_iter_type): Operand iterator typechecking values.
5155         (struct ssa_operand_iterator_d): Use linked lists of operands.
5156         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
5157         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
5158         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
5159         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
5160         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
5161         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
5162         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
5163         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
5164         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
5165         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
5166         alloc_vuse, and alloc_mustdef.
5167         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
5168         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5169         and finalize_ssa_v_must_def_ops.
5170         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
5171         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
5172         stmt around.
5173         (compute_avail): Use generic iterator interface.
5174         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
5175         (stmt_makes_single_load, stmt_makes_single_store): Use
5176         ZERO_SSA_OPERANDS.
5177         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
5178         (statement_sink_location): Use generic interface.
5179         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
5180         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
5181         reset the immediate use link nodes.
5182         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
5183         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
5184         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
5185         (eliminate_tail_call): Use generic operand interface.
5186         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
5187         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
5188         interface.
5189         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
5190         interface.
5191         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
5192         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
5193         vuse_optype.
5194         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
5195         Use statement pointer instead of vuse_optype.  Use generic interface.
5196         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
5197         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
5198         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
5199         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
5200         * doc/tree-ssa.texi: Update documentation for operand interface.
5201
5202 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
5203
5204         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
5205         gcc_unreachable as appropriate.
5206         (machopic_function_base_name, machopic_indirect_data_reference,
5207         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
5208         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
5209         * config/rs6000/altivec.md (*mov<mode>_internal,
5210         build_vector_mask_for_load): Likewise.
5211         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
5212         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
5213         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
5214         * config/rs6000/predicates.md (easy_fp_constant,
5215         logical_operand): Likewise.
5216         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
5217         compute_save_world_info, rs6000_emit_prologue,
5218         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
5219         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
5220         directly.
5221
5222 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
5223
5224         PR middle-end/21282
5225         * convert.c (convert_to_integer): Convert ceil and floor in
5226         c99 mode only.
5227
5228 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
5229
5230         PR target/20813
5231         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
5232         define_insn_and_split.  Split only when memory operand is
5233         offsettable.  Use adjust_address rather than plus_constant.
5234         (floatunssidf2_internal): Likewise.
5235         (fix_truncdfsi2_internal): Split only when memory operand is
5236         offsettable.  Use adjust_address rather than plus_constant.
5237         (fix_trunctfsi2_internal): Likewise.
5238         (floatsidf2_internal): Likewise.
5239
5240 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
5241
5242         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
5243         (set_value_range_to_null): Likewise.
5244         (set_value_range_to_varying): New function.  Use it in all
5245         call sites that used to call set_value_range (vr, VR_VARYING, ...).
5246         (extract_range_from_assert): If the integral type has a
5247         super-type, and LIMIT is not within MIN and MAX values of that
5248         type, set the resulting range to VR_VARYING.
5249
5250 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
5251
5252         * config/mmix/mmix.opt: New file.
5253         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
5254         (mmix_cc1_ignored_option): Don't declare.
5255         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
5256         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
5257         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
5258         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
5259         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
5260         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
5261         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
5262         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
5263         Don't define.
5264         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
5265         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
5266         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5267
5268 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
5269
5270         PR c/15698
5271         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
5272         * c-decl.c (current_function_prototype_built_in,
5273         current_function_prototype_arg_types): New.
5274         (merge_decls): Keep source location of prototype followed by
5275         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
5276         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
5277         (start_function): Always set current_function_prototype_locus,
5278         current_function_prototype_built_in and
5279         current_function_prototype_arg_types.  Check for external
5280         prototype whether or not visible for external function and set
5281         current_function_prototype_arg_types accordingly.
5282         (store_parm_decls_oldstyle): Use
5283         current_function_prototype_arg_types for checking old-style
5284         definition against prototype.  Give warnings only if
5285         current_function_prototype_built_in).
5286
5287 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
5288
5289         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
5290         (ggc_alloc_zone_stat): Don't define.
5291         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
5292         ggc_alloc_zone_pass_stat.
5293         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
5294         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
5295         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
5296
5297 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
5298
5299         * calls.c (expand_call): Handle current_function_pretend_args_size
5300         when checking for sibcalls.
5301
5302 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5303
5304         PR tree-optimization/21294
5305         * tree-vrp.c (vrp_expr_computes_nonzero): New.
5306         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
5307
5308 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
5309
5310         PR 19985
5311         * gcov-io.h: Declare gcov external functions hidden.
5312
5313 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5314
5315         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
5316         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
5317         Use VEC instead of VARRAY.
5318         (equiv_free): New.
5319
5320         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
5321         out common code.
5322
5323 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
5324
5325         * c-common.c (resolve_overloaded_builtin): Forward to target
5326         hook for BUILT_IN_MD built-ins.
5327         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
5328         for all types of built-in.
5329         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
5330         in the definition of the target hooks struct.
5331         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
5332         * config/rs6000/altivec.h: Rewritten.
5333         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
5334         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
5335         rs6000_builtin_type, rs6000_builtin_type_compatible,
5336         altivec_overloaded_builtins, rs6000_builtin_type,
5337         rs6000_builtin_type_compatible): New.
5338         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
5339         New.
5340         (def_builtin): Turn into a function.  Check for duplicates and store
5341         the builtin into rs6000_builtin_decls.
5342         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
5343         bdesc_1arg): Add overloaded builtins.
5344         (altivec_expand_builtin): Check for unresolved overloaded builtins,
5345         do not support ALTIVEC_COMPILETIME_ERROR.
5346         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
5347         nodes to represent front-end types.
5348         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
5349         with opaque arguments and/or return values.
5350         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
5351         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
5352         (rs6000_builtin_type_index): New.
5353         (is_ev64_opaque_type): Rename to...
5354         (rs6000_is_opaque_type): ... this.
5355         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
5356         target hook.
5357
5358 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5359
5360         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
5361         instead of VARRAY.
5362
5363 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
5364             Bernd Schmidt  <bernd.schmidt@analog.com>
5365
5366         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
5367         print_address_operand, print_operand, legitimize_pic_address,
5368         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
5369         output_pop_multiple): Use gcc_assert or gcc_unreachable as
5370         appropriate.
5371         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
5372
5373 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
5374
5375         * doc/passes.texi: Document vectorization pass.
5376
5377 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
5378
5379         * tree-scalar-evolution.c (get_exit_conditions_rec,
5380         select_loops_exit_conditions,
5381         number_of_iterations_for_all_loops,
5382         analyze_scalar_evolution_for_all_loop_phi_nodes,
5383         scev_analysis): Use VEC instead of VARRAY.
5384
5385 2005-05-02  Michael Matz  <matz@suse.de>
5386
5387         PR c++/19542
5388         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
5389         (warn_strict_null_sentinel): Define.
5390         (check_function_sentinel): Check for null_node as valid sentinel too.
5391         * c-common.h (c_tree_index): Added CTI_NULL.
5392         (null_node) Define global_tree[CTI_NULL].
5393         (warn_strict_null_sentinel): Declare.
5394         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
5395         * c.opt: (Wstrict-null-sentinel): New C++ option.
5396         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
5397
5398 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
5399
5400         * gimplify.c (gimplify_compound_lval): Use VEC instead of
5401         VARRAY.
5402
5403         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
5404
5405         * dwarf2out.c (decl_scope_table, push_decl_scope,
5406         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
5407         instead of VARRAY.
5408
5409 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
5410
5411         PR C++/14391
5412         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
5413         if !flag_weak.
5414         * doc/cpp.texi (__DEPRECATED): Document.
5415         (__EXCEPTIONS): Likewise.
5416         (__GXX_WEAK__): Likewise.
5417
5418         * function.c (INVOKE__main): Do not define.
5419         (expand_main_function): Check HAS_INIT_SECTION when determining
5420         whether or not to call __main.
5421
5422 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
5423
5424         * tree-ssa-loop-ivopts.c: Fix a comment typo.
5425
5426 2005-01-05  Paul Brook  <paul@codesourcery.com>
5427
5428         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
5429         (INITIALIZE_TRAMPOLINE): Use it.
5430         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
5431         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
5432         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
5433
5434 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
5435
5436         * doc/install.texi (Specific): Omit dots in the @anchors names
5437         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
5438         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
5439
5440 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
5441
5442         PR tree-optimization/18316
5443         PR tree-optimization/19126
5444         * tree.c (build_int_cst_type): Avoid shift by size of type.
5445         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
5446         argument.
5447         * tree-scalar-evolution.h (simple_iv): Declaration changed.
5448         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
5449         field.
5450         (dump_cand): Dump depends_on information.
5451         (determine_biv_step): Add argument to simple_iv call.
5452         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
5453         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
5454         constant.
5455         (add_candidate_1): Record depends_on for candidates.
5456         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
5457         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
5458         Handle ivs with nonconstant step.
5459         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
5460         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
5461         (create_new_iv): Unshare the step before passing it to create_iv.
5462         (free_loop_data): Free cand->depends_on.
5463         (build_addr_strip_iref): New function.
5464         (find_interesting_uses_address): Use build_addr_strip_iref.
5465         (strip_offset_1): Split the recursive part from strip_offset.
5466         Strip constant offset component_refs and array_refs.
5467         (strip_offset): Split the recursive part to strip_offset_1.
5468         (add_address_candidates): Removed.
5469         (add_derived_ivs_candidates): Do not use add_address_candidates.
5470         (add_iv_value_candidates): Add candidates with stripped constant
5471         offset.  Consider all candidates with initial value 0 important.
5472         (struct affine_tree_combination): New.
5473         (aff_combination_const, aff_combination_elt, aff_combination_scale,
5474         aff_combination_add_elt, aff_combination_add,
5475         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
5476         fold_affine_sum): New functions.
5477         (get_computation_at): Use fold_affine_sum.
5478         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
5479         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
5480         to simple_iv call.
5481
5482 2005-04-30  Michael Matz  <matz@suse.de>
5483
5484         * config/i386/i386.md (movmemsi): Also active when
5485         TARGET_INLINE_ALL_STRINGOPS.
5486
5487 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
5488
5489         PR bootstrap/20633
5490         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
5491
5492 2005-04-30  Paul Brook  <paul@codesourcery.com>
5493
5494         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
5495         thumb mode.
5496         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
5497         * config/arm/ieee754-sf.S: Ditto.
5498         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
5499         (FUNC_ALIAS): Use .thumb_set for thumb routines.
5500
5501 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
5502
5503         * tree-ssanames.c: Fix a comment typo.
5504         * doc/options.texi: Fix a typo.
5505
5506 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
5507
5508         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
5509         gcc_unreachable as appropriate.
5510         (split_adds_subs, cond_string, print_operand,
5511         h8300_initial_elimination_offset, h8300_classify_operand,
5512         h8300_unary_length, h8300_short_immediate_length,
5513         h8300_bitfield_length, h8300_binary_length,
5514         h8300_insn_length_from_table, compute_mov_length, output_plussi,
5515         compute_plussi_length, compute_plussi_cc, output_logical_op,
5516         compute_logical_op_length, compute_logical_op_cc,
5517         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
5518         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
5519         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
5520         h8300_regs_ok_for_stm): Likewise.
5521         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
5522         monitor_prologue): Likewise.
5523
5524 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
5525
5526         * loop-invariant.c (invariants, create_new_invariant,
5527         get_inv_cost, best_gain_for_invariant,
5528         find_invariants_to_move, move_invariants,
5529         init_inv_motion_data, free_inv_motion_data): Use VEC instead
5530         of VARRAY.
5531
5532 2005-04-29  Richard Henderson  <rth@redhat.com>
5533
5534         * function.c (instantiate_decls): Remove valid_only argument.
5535         (instantiate_decls_1, instantiate_decl): Likewise.
5536         (instantiate_virtual_regs_1): Delete.
5537         (instantiate_virtual_regs_lossage): Delete.
5538         (instantiate_virtual_regs_in_rtx): New.
5539         (safe_insn_predicate): New.
5540         (instantiate_virtual_regs_in_insn): New.
5541         (instantiate_virtual_regs): Update to match all that.  Only run
5542         instantiate_decls once.
5543
5544 2005-04-29  Richard Henderson  <rth@redhat.com>
5545             Daniel Jacobowitz  <dan@codesourcery.com>
5546
5547         * gengtype.c (write_func_for_structure): Split out ...
5548         (output_type_enum): ... new function.  Fix thinko accessing
5549         TYPE_PARAM_STRUCT data.
5550
5551 2005-04-29  Tom Tromey  <tromey@redhat.com>
5552
5553         * tree.c (build_block): Removed unused 'tags' argument.
5554         * tree.h (build_block): Removed argument.
5555
5556 2005-04-29  Michael Matz  <matz@suse.de>
5557
5558         PR rtl-optimization/21144
5559         * postreload.c (reload_cse_move2add): Check for VOIDmode.
5560
5561 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
5562
5563         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
5564         flag_reorder_blocks.
5565
5566 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
5567
5568         PR tree-optimization/21030
5569         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
5570         ranges where VR->MAX is smaller than VR->MIN.
5571
5572 2005-04-29  Devang Patel  <dpatel@apple.com>
5573
5574         PR tree-optimization/21272
5575         PR tree-optimization/21266
5576         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
5577
5578 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
5579
5580         * tree-flow-inline.h: Fix a comment typo.
5581         * doc/tree-ssa.texi: Fix a typo.
5582
5583         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
5584
5585 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
5586
5587         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
5588         gcc_unreachable as appropriate.
5589         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
5590         fr30_print_operand, fr30_move_double): Likewise.
5591         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
5592
5593 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
5594
5595         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
5596         definition has already been provided.
5597         (ARM_EABI_DTORS_SECTION_OP): Likewise.
5598         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
5599         (ARM_EABI_DTORS_SECTION_OP): Likewise.
5600
5601 2005-04-29  Jim Tison  <jtison@us.ibm.com>
5602
5603         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
5604         trace hooks calls to improve performance.
5605
5606 2005-04-29  Julian Brown  <julian@codesourcery.com>
5607             Mark Mitchell  <mark@codesourcery.com>
5608             Paul Brook  <paul@codesourcery.com>
5609
5610         * crtstuff.c: Handle targets that use .init_array.
5611         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
5612         that INVOKE__main is set correctly.
5613         (expand_main_function): Test INVOKE__main.
5614         * libgcc2.c: Do not define __main when using .init_array.
5615         * config/arm/arm.c (arm_elf_asm_constructor): New function.
5616         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
5617         libgcc version.
5618         (DTORS_SECTION_ASM_OP): Likewise.
5619         (CTOR_LIST_BEGIN): Define specially when in libgcc.
5620         (CTOR_LIST_END): Likewise.
5621         (DTOR_LIST_BEGIN): Likewise.
5622         (DTOR_LIST_END): Likewise.
5623         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
5624         (FINI_SECTION_ASM_OP): Likewise.
5625         (INIT_ARRAY_SECTION_ASM_OP): Define.
5626         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
5627         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
5628         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
5629         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
5630         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
5631
5632 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
5633
5634         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
5635         gcc_assert and gcc_unreachable as appropriate.
5636         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
5637         const_int_cost, output_move_const_into_data_reg,
5638         output_move_qimode, output_move_double, find_addr_reg,
5639         print_operand, print_operand_address): Likewise.
5640         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
5641         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
5642         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
5643         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
5644         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
5645         conditional_trap): Likewise.
5646         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
5647
5648 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
5649
5650         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
5651         gcc_unreachable as appropriate.
5652         (gen_conditional_move, xtensa_split_operand_pair,
5653         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
5654         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
5655         xtensa_copy_incoming_a7, xtensa_output_literal,
5656         xtensa_output_literal, xtensa_output_literal): Likewise.
5657         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
5658         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
5659         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
5660         movsicc_internal1, movsfcc_internal0,
5661         movsfcc_internal1): Likewise.
5662
5663 2005-04-28  James E Wilson  <wilson@specifixinc.com>
5664
5665         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
5666         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
5667
5668 2005-04-28  DJ Delorie  <dj@redhat.com>
5669
5670         * opt-functions.awk (var_set): Emit proper initializer for
5671         non-target bitfields.
5672
5673 2005-04-28  Devang Patel  <dpatel@apple.com>
5674
5675         * dbxout.c (have_used_extensions): Remove.
5676         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
5677         have_used_extensions.
5678
5679 2005-04-28  James E Wilson  <wilson@specifixinc.com>
5680
5681         * doc/install.texi: Update -enable-languages info.  Correct path to
5682         html docs.
5683
5684 2005-04-28  DJ Delorie  <dj@redhat.com>
5685
5686         * optc-gen.awk (END): Make sure no variable is defined more
5687         than once.
5688         * opth-gen.awk (END): Allocate bits on a per-variable basis.
5689         Allow for bitfield variables other than target_flags.
5690         * doc/options.text (Mask): Document that you may specify a
5691         variable other than target_flags.
5692
5693 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
5694
5695         PR rtl-optimization/18877
5696         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
5697         number in val.start.
5698
5699 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
5700
5701         PR target/20813
5702         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
5703         MASK_PPC_GFXOPT.
5704         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
5705         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
5706         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
5707
5708 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
5709
5710         * arm.c (legitimize_pic_address): Fix sense of assertion test for
5711         creating pseudos when the base offset is too large.
5712
5713 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
5714
5715         * global.c (earlyclobber_regclass): Change the type to
5716         VEC(int,heap).
5717         (check_earlyclobber): Update uses of earlyclobber_regclass.
5718         (mark_reg_use_for_earlyclobber): Likewise.
5719         (calculate_local_reg_bb_info): Allocate and free
5720         earlyclobber_regclass using the VEC API.
5721
5722 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
5723
5724         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
5725         assert.
5726
5727 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
5728
5729         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
5730         (*targetm.foo).
5731
5732         * config.gcc: Obsolete c4x-* and tic4x-*.
5733
5734         * tree.h (edge_def): Remove.
5735
5736         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
5737         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
5738         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
5739         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
5740         where appropriate.
5741
5742         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
5743         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
5744         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
5745         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
5746         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
5747         machmode.def, mips-tfile.c, params.c, pretty-print.c,
5748         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
5749         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
5750         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
5751         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
5752         config/i386/cygming.h, config/i386/djgpp.h,
5753         config/i386/lynx.h, config/i386/netware.c,
5754         config/i386/winnt.c, config/ia64/ia64-c.c,
5755         config/iq2000/iq2000.c, config/m32r/little.h,
5756         config/m68k/m68k-protos.h, config/m68k/m68k.h,
5757         config/m68k/m68k.md, config/mcore/mcore.c,
5758         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
5759         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
5760         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
5761         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
5762         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
5763         config/pdp11/pdp11.h, config/rs6000/darwin.h,
5764         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
5765         config/s390/2064.md, config/s390/2084.md,
5766         config/s390/s390-modes.def, config/s390/s390-protos.h,
5767         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
5768         config/stormy16/stormy16.c, config/vax/vax-protos.h,
5769         config/vax/vax.c, config/vax/vax.h,
5770         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
5771         copyright.
5772
5773 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
5774
5775         * c-typeck.c (build_compound_expr): Correct logic in last change.
5776
5777 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
5778
5779         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
5780         parameters.  Replace conditional move code with assert checking for
5781         ar.lc.  Delete obsolete comments.
5782         (set_src_needs_barrier): Delete cond parameter, and code using it.
5783         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
5784         assert checking for PR_REGS.  Fix calls to update_set_flags and
5785         set_src_needs_barrier.
5786         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
5787         callers.  Rewrite explanatory comment before the function.
5788         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
5789         Fix all callers.
5790
5791 2005-04-27  Mike Stump  <mrs@apple.com>
5792
5793         * doc/cpp.texi: gcc now implements universal character names.
5794
5795 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
5796
5797         PR c/21159
5798         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
5799         being a compound expression whose right-hand side is cast to void.
5800
5801 2005-04-27  Caroline Tice  <ctice@apple.com>
5802
5803         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5804         Remove targetm.have_named_sections test.
5805         (fix_edges_for_rarely_executed_code): Likewise.
5806         (insert_section_boundary_note): Likewise.
5807         (reorder_basic_blocks): Check partitioning flag before calling
5808         verify_hot_cold_block_grouping.
5809         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
5810         the function struct rather than global variables.
5811         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
5812         (COLD_END_LABEL): Likewise
5813         (cold_text_section_label): New static global variable.
5814         (cold_end_label): Likewise.
5815         (dwarf2out_switch_text_section): Get hot/cold section labels from
5816         the function struct rather than global variables; test to make sure
5817         cfun is defined.
5818         (output_aranges): Use cold_text_section_label and cold_end_label;
5819         check partitioning flag before putting out delta.
5820         (output_ranges): Remove incorrect code attempting to use
5821         hot/cold labels.
5822         (output_line_info): Get cold section label from function struct; test
5823         to make sure cfun is defined.
5824         (add_location_or_const_value_attribute): Likewise.
5825         (dwarf2out_var_location): Likewise.
5826         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
5827         write out cold_text_section_label if partition flag is set.
5828         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
5829         * function.h (struct function): Add new fields to point to hot/cold
5830         section labels: hot_section_label, cold_section_label,
5831         hot_section_end_label and cold_section_end_label; also add new field
5832         for cold text section name, unlikely_text_section_name.
5833         * opts.c (decode_options): Turn off partitioning flag if
5834         !targetm.have_named_sections.
5835         * output.h (hot_section_label): Remove.
5836         (hot_section_end_label): Remove.
5837         (cold_section_end_label): Remove.
5838         (unlikely_section_label): Remove.
5839         (unlikely_text_section_name): Remove.
5840         * passes.c (rest_of_handle_final):  Remove extra blank line.
5841         * varasm.c (unlikely_section_label): Remove.
5842         (hot_section_label): Remove.
5843         (hot_section_end_label): Remove.
5844         (cold_section_end_label): Remove.
5845         (unlikely_text_section_name):  Remove.
5846         (initialize_cold_section_name): Modify to call
5847         targetm.strip_name_encoding; to store cold section name in current
5848         function struct, if it exists; and to only use the decl_section_name
5849         if flag_named_sections is true.
5850         (unlikely_text_section): Modify to get section name out of current
5851         function struct, if there is one; otherwise build it from
5852         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
5853         (in_unlikely_text_section): Likewise.
5854         (named_section): Modify to get/put cold section name in current function
5855         struct, if there is one.
5856         (function_section):  Change 'bool unlikely' to 'int reloc'; check
5857         targetm.have_named_sections before calling named_section.
5858         (current_function_section): Likewise.
5859         (assemble_start_function): Modify to get/put unlikely_text_section_name
5860         in current function struct; modify to get hot/cold section labels
5861         from function struct; initialize labels using
5862         ASM_GENERATE_INTERNAL_LABEL;
5863         test partitioning flag before writing out hot section label.
5864         (assemble_end_function): Test partitioning flag before writing out
5865         hot/cold section labels.
5866         (default_section_type_flags_1):  Get cold text section name from
5867         function struct if there is one; Set flags correctly for
5868         cold text section if there is not a current function struct.
5869
5870 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
5871
5872         * tree-ssa-propagate.c (set_rhs): Revert last change.
5873
5874 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
5875
5876         * explow.c (convert_memory_address): Add gcc_assert.
5877
5878 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
5879
5880         * configure.ac: Check for ld --sysroot support.
5881         * gcc.c: Document %R specifier for specs.
5882         (SYSROOT_SPEC): New macro.
5883         (sysroot_spec): New variable.
5884         (static_specs): Add sysroot_spec.
5885         (main): Pass the sysroot spec to the linker if appropriate.
5886         * configure: Regenerated.
5887         * config.in: Likewise.
5888
5889 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
5890
5891         * fold-const.c (fold_binary): Use build_fold_addr_expr
5892         for address calculation and INDIRECT_REF handling.
5893
5894 2005-04-27  Andrew Haley  <aph@redhat.com>
5895
5896         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
5897
5898 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5899
5900         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
5901         pointer when thumb backtracing is on.
5902
5903         * config/fp-bit.c (abort): Revert change.
5904
5905 2005-04-27  Ian Lance Taylor  <ian@airs.com>
5906
5907         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
5908
5909 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
5910
5911         * tree-ssa-dce.c: Fix a comment typo.
5912
5913 2005-04-27  David S. Miller  <davem@davemloft.net>
5914
5915         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
5916         Kill setjmpless_size.  current_function_calls_setjmp is completely
5917         computed when we are called, so just use the optimized size value
5918         instead of using REG_SAVE_AREA notes.
5919         (optimize_save_area_alloca): Delete....
5920         * rtl.h (optimize_save_area_alloca): Likewise...
5921         * passes.c (rest_of_compilation): and don't call it any more.
5922         * reg-notes.def (SAVE_AREA): Delete.
5923
5924 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5925
5926         * config/fp-bit.c (abort): Add noreturn attribute.
5927
5928         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
5929         gcc_unreachable as appropriate.
5930         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
5931         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
5932         ASM_OUTPUT_REG_POP): Likewise.
5933
5934 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
5935
5936         * tree-complex.c (expand_vector_operations_1): Do not build
5937         VIEW_CONVERT_EXPR's for the lhs.
5938
5939 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
5940
5941         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
5942         unnecessary noncanonical RTL handling.
5943         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
5944         gcc_assert and gcc_unreachable.
5945
5946         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
5947         gcc_unreachable as appropriate.
5948         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
5949         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
5950         use_return_insn, const_ok_for_op, arm_gen_constant,
5951         arm_canonicalize_comparison, legitimize_pic_address,
5952         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
5953         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
5954         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
5955         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
5956         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
5957         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
5958         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
5959         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
5960         output_call, output_mov_long_double_fpa_from_arm,
5961         output_mov_long_double_arm_from_fpa,
5962         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
5963         output_move_double, arithmetic_instr, shift_op, int_log2,
5964         output_return_instruction, arm_output_function_prologue,
5965         arm_output_epilogue, arm_output_function_epilogue,
5966         emit_multi_reg_push, arm_get_frame_offsets,
5967         arm_compute_initial_elimination_offset, arm_expand_prologue,
5968         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
5969         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
5970         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
5971         thumb_compute_initial_elimination_offset,
5972         thumb_output_function_prologue, thumb_load_double_from_address,
5973         thumb_output_move_mem_multiple, thumb_reload_out_hi,
5974         arm_emit_vector_const, arm_dbx_register_number): Likewise.
5975         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
5976         * config/arm/arm.md (thumb_extendhisi2,
5977         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
5978         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
5979         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
5980         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
5981         * config/arm/cirrus.md (*cirrus_arm_movdi,
5982         *cirrus_movdf_hard_insn): Likewise.
5983         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5984
5985 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
5986
5987         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
5988         (num_ssa_names): Use VEC_length.
5989         (ssa_names): Use VEC_index.
5990         * tree-ssanames.c (ssa_names): Change the type to
5991         VEC(tree,gc).
5992         (init_ssanames, fini_ssa_names, make_ssanames,
5993         release_ssa_name): Update uses of ssa_names.
5994
5995         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
5996         Use fold_buildN instead of fold (buildN (...)).
5997
5998 2005-04-27  Devang Patel <dpatel@apple.com>
5999
6000         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
6001
6002 2005-04-27  Matt Thomas <matt@3am-software.com>
6003             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
6004
6005         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
6006         (vax_output_mi_thunk): Ditto.
6007         (vax_notice_cc_update): Ditto.
6008         (INDEX_REGISTER_P): Add trailing \.
6009         (BASE_REGISTER_P): Add trailing \.
6010         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
6011
6012 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
6013
6014         * tree-ssa-propagate.c (set_rhs): Check operand of
6015         ADDR_EXPR for gimpliness, too.
6016
6017 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6018
6019         * tree-ssa-pre.c: Fix a comment typo.
6020
6021 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
6022
6023         PR tree-optimization/21171
6024         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
6025         record address uses if the reference is volatile.
6026
6027 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
6028
6029         * tree-complex.c (expand_vector_operation): New, extracted from
6030         expand_vector_operations_1.
6031         (tree_vec_extract): Build a NOP_EXPR.
6032         (expand_vec_parallel): Do not care about returning the correct type.
6033         (expand_vector_operations_1): Call expand_vector_operation.
6034         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
6035
6036         * tree-complex.c (gate_expand_vector_operations): New.
6037         (pass_lower_vector_ssa): Use it.
6038         * tree-optimize.c (init_tree_optimization_passes): Include
6039         pass_lower_vector_ssa.
6040         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
6041         (vectorizable_operation): Use it.
6042         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
6043         integer modes for the vector type.
6044
6045         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
6046         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
6047         Do not cope with UNITS_PER_SIMD_WORD == 0.
6048         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
6049         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
6050         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
6051         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
6052         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
6053         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
6054         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
6055
6056         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
6057         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
6058         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
6059
6060         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
6061         (UNITS_PER_SIMD_WORD): New.
6062
6063 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6064
6065         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
6066         gcc_unreachable as appropriate.
6067         (ia64_expand_load_address, ia64_expand_tls_address,
6068         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
6069         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
6070         next_scratch_gr_reg, ia64_initial_elimination_offset,
6071         ia64_expand_prologue, ia64_expand_epilogue,
6072         ia64_output_dwarf_dtprel, ia64_print_operand,
6073         ia64_register_move_cost, first_instruction, rws_access_regno,
6074         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
6075         ia64_sched_init, ia64_variable_issue,
6076         ia64_first_cycle_multipass_dfs_lookahead_guard,
6077         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
6078         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
6079         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
6080         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
6081         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6082         * config/ia64/predicates.md (got_symbolic_operand,
6083         sdata_symbolic_operand): Likewise.
6084         * config/ia64/vect.md (vcondv2sf): Likewise.
6085
6086 2005-04-27  Matt Thomas <matt@3am-software.com>
6087
6088         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
6089         CONSTANT_ADDRESS_P in config/vax/vax.h
6090         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
6091         (INDEX_REGISTER_P): New.
6092         (BASE_REGISTER_P): New.
6093         (indirectable_constant_address_p): New.  Adapted from
6094         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
6095         (indirectable_address_p): New.  Adapted from
6096         INDIRECTABLE_ADDRESS_P in vax.h.
6097         (nonindexed_address_p): New.  Adapted from
6098         GO_IF_NONINDEXED_ADDRESS in vax.h.
6099         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
6100         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
6101         (legitimate_address_p): New.  Adapted from
6102         GO_IF_LEGITIMATE_ADDRESS in vax.h.
6103         (vax_mode_dependent_address_p): New.  Adapted from
6104         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
6105         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
6106         legitimate_constant_address_p.
6107         (CONSTANT_P): Use legitimate_constant_p.
6108         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
6109         (INDIRECTABLE_ADDRESS_P): Removed.
6110         (GO_IF_NONINDEXED_ADDRESS): Removed.
6111         (INDEX_TEMP_P): Removed.
6112         (GO_IF_REG_PLUS_INDEX): Removed.
6113         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
6114         definitions, depending on whether REG_OK_STRICT is defined.
6115         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
6116         Two definitions, depending on whether REG_OK_STRICT is defined.
6117         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
6118         added.
6119         (legitimate_constant_p): Prototype added.
6120         (legitimate_address_p): Prototype added.
6121         (vax_mode_dependent_address_p): Prototype added.
6122
6123 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
6124
6125         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
6126
6127 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
6128
6129         PR c/21213
6130         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
6131         transparent union.
6132
6133 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
6134
6135         PR c/20740
6136         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
6137         assertion failures, if __gcc_host_wide_int__ is not properly
6138         defined.
6139         (init_dynamic_diag_info): Give errors, not assertion failures, if
6140         location_t, tree or __gcc_host_wide_int__ are not properly
6141         defined.
6142
6143 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6144
6145         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
6146         n_iv_uses, iv_use, n_iv_cands, iv_cand,
6147         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
6148         prepare_decl_rtl, free_loop_data,
6149         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
6150         VARRAY.
6151
6152         * tree.h (tree_phi_node): Add a comment about the order of PHI
6153         arguments.
6154
6155 2005-04-26  Paul Brook  <paul@codesourcery.com>
6156
6157         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
6158
6159 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
6160
6161         * config/mips.mips.c (mips_legitimize_tls_address): Use
6162         gcc_unreachable.
6163
6164         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
6165         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
6166         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
6167
6168         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
6169         'abort'.
6170
6171 2005-04-26  Jeff Law  <law@redhat.com>
6172
6173         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
6174         (op_iter_init_must_and_may_def): Likewise.
6175         (unmodifiable_var_p): Move to a later point in the file.
6176         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
6177         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
6178         (dse_record_phis): Directly check for virtual operands rather than
6179         using need_imm_uses_for.
6180         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
6181         store has multiple V_{MAY,MUST}_DEF operands.
6182
6183 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
6184
6185         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
6186         stmt.
6187
6188 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6189
6190         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
6191         call to find_edge outside a loop to go through a PHI chain.
6192
6193 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
6194
6195         PR tree-optimization/17598
6196         * fold-const.c (fold_binary): Fold comparisons of addresses
6197         of COMPONENT_REFs which reference the same field to
6198         comparisons of the addresses of the base objects.
6199
6200 2005-04-26  Julian Brown  <julian@codesourcery.com>
6201
6202         * config/arm/arm.c (arm_return_in_msb): New function.
6203         (arm_must_pass_in_stack): New function.
6204         (TARGET_RETURN_IN_MSB): Define target hook.
6205         (TARGET_MUST_PASS_IN_STACK): Define target hook.
6206         (arm_function_value): Pad small aggregate return.
6207         (arm_pad_arg_upward): New function.
6208         (arm_pad_reg_upward): New function.
6209         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
6210         (FUNCTION_ARG_PADDING): Define macro.
6211         (BLOCK_REG_PADDING): Define macro.
6212         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
6213         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
6214         (arm_pad_reg_upward): Declare function.
6215
6216 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
6217
6218         * basic-block.h (ei_cond): New.
6219         (FOR_EACH_EDGE): Call ei_cond.
6220
6221         PR tree-optimization/21047
6222         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
6223         (fold): Don't handle ASSERT_EXPR.
6224
6225 2005-04-25  Roger Sayle  <roger@eyesopen.com>
6226
6227         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
6228         all writes to any stack register as a read/write dependency on
6229         FIRST_STACK_REG.
6230         (sched_analyze_2): Likewise, for reads from any stack register.
6231
6232 2005-04-25  Richard Henderson  <rth@redhat.com>
6233
6234         * final.c (output_addr_const): Revert 2005-04-09 change.
6235
6236 2005-04-25  Mike Stump  <mrs@apple.com>
6237
6238         * config/darwin.c (darwin_encode_section_info): Always set
6239         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
6240
6241 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6242
6243         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
6244         gensupport.c, protoize.c, toplev.c: Replace calls to
6245         `unlock_stream' with `unlock_std_streams'.
6246
6247 2005-04-25  Devang Patel <dpatel@apple.com>
6248
6249         * dbxout.c (dbxout_type): Emit attribute vector.
6250
6251 2005-04-05  Paul Brook  <paul@codesourcery.com>
6252
6253         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
6254         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
6255         * config/arm/arm.c (arm_cxx_atexit_name): New function.
6256         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
6257         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
6258         (register_dtor_fn): Likewise.
6259         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
6260
6261 2005-04-25  Ian Lance Taylor  <ian@airs.com>
6262
6263         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
6264         * c-common.h (EXPR_STMT_EXPR): Don't define.
6265         (c_common_stmt_codes): Don't define.
6266         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
6267         * c-gimplify.c (gimplify_expr_stmt): Remove.
6268         (c_gimplify_expr): Remove EXPR_STMT case.
6269         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
6270         to INIT_STATEMENT_CODES.
6271         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
6272
6273 2005-04-25  Jan Hubicka  <jh@suse.cz>
6274
6275         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
6276
6277         * except.c: Include diagnostic.h
6278         (dump_eh_tree, verify_eh_tree): New functions.
6279         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
6280         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
6281         (dump_function_to_file): dump eh tree.
6282         * tree-eh.c (mark_eh_edge): New function.
6283         (mark_eh_edge_found_error): New static variable.
6284         (verify_eh_edges): New function.
6285
6286 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
6287
6288         * tree-ssa-alias.c (fieldoff_t): Remove.
6289         (fieldoff_s): typedef the structure itself.  Create a vector of
6290         objects.
6291         (push_fields_onto_fieldstack): Return count of fields pushed.
6292         Remove peeling of first field.  Adjust.
6293         (fieldoff_compare): Adjust.
6294         (create_overlap_variables_for): Adjust.
6295
6296 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
6297
6298         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
6299
6300 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
6301
6302         PR bootstrap/21215
6303         * doc/install.texi: Document correct assembler and linker to use
6304         on i?86-*-solaris2.10.
6305
6306 2005-04-25  Steven Bosscher  <stevenb@suse.de>
6307
6308         Fix PR tree-optimization/21173
6309
6310         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
6311         Unshare expression we pass to force_gimple_operand.
6312
6313 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
6314             Stephen Clarke <stevec@superh.com>
6315             Roger Sayle <roger@eyesopen.com>
6316
6317         PR rtl-optimization/20413
6318         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
6319         VOIDmode for LABEL_REF.
6320         * final.c (shorten_branches): Likewise.
6321         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
6322         * loop.c (reg_dead_after_loop): Likewise.
6323         * varasm.c (decode_addr_const): Likewise.
6324         * doc/rtl.texi: Document mode requirement for LABEL_REF.
6325
6326 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
6327
6328         * config.gcc (avr-*-*): Remove redundant "case".
6329
6330 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
6331
6332         * tree-vect-analyze.c (vect_mark_relevant): Take
6333         VEC(tree,heap) instead of varray_type as an argument.
6334         (vect_mark_stmts_to_be_vectorized): Change the type of
6335         worklist to VEC(tree,heap).  Adjust uses of worklist.
6336
6337 2005-04-24  Devang Patel  <dpatel@apple.com>
6338
6339         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
6340
6341 2005-04-24  Ian Lance Taylor  <ian@airs.com>
6342
6343         * c-semantics.c (build_stmt): Remove test of specific tree codes
6344         for TREE_SIDE_EFFECTS handling.
6345
6346 2005-04-24  Per Bothner  <per@bothner.com>
6347
6348         * c-opts.c (finish_options):  Make the line-number of the <built-in>
6349         location 0, as assumed elsewhere, rather than 1.
6350
6351 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
6352
6353         * tree-ssa-uncprop.c (equiv_stack): Change the type o
6354         VEC(tree,heap).
6355         (tree_ssa_uncprop, uncprop_finalize_block,
6356         uncprop_initialize_block): Update uses of equiv_stack.
6357
6358 2005-04-24  Richard Henderson  <rth@redhat.com>
6359
6360         PR rtl-opt/21163
6361         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
6362         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
6363         constm1_rtx.
6364         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
6365         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
6366         <DIV, MOD>: Likewise.
6367
6368 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6369
6370         * collect2.c (main): Unlock the stdio streams.
6371         * gcc.c (main): Likewise.
6372         * gcov-dump.c (main): Likewise.
6373         * gcov.c (main): Likewise.
6374         * gen-protos.c (main): Likewise.
6375         * gensupport.c (init_md_reader_args_cb): Likewise.
6376         * protoize.c (main): Likewise.
6377         * toplev.c (general_init): Likewise.
6378
6379 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
6380
6381         PR middle-end/20991
6382         * cgraph.h (cgraph_local_info): Add vtable_method field.
6383         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
6384         and node is vtable_method, finalized and not reachable, don't do
6385         anything.
6386
6387 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
6388
6389         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
6390         COMPARISON_CLASS_P.
6391         * tree-ssa-pre.c (create_value_expr_from): Use
6392         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
6393         * tree-ssa-propagate.c (stmt_makes_single_load,
6394         stmt_makes_single_store): Use REFERENCE_CLASS_P.
6395         * tree-vect-transform.c (vect_is_simple_cond): Use
6396         COMPARISON_CLASS_P.
6397         * tree-vrp.c (extract_range_from_assert,
6398         build_assert_expr_for, fp_predicate, has_assert_expr): Use
6399         COMPARISON_CLASS_P.
6400
6401         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
6402         of tpa_to_clear to VEC(int,heap).  Update uses of
6403         tpa_to_clear.  Free tpa_to_clear at the end.
6404
6405 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
6406
6407         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
6408         function decl.
6409
6410 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
6411
6412         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
6413         and gcc_unreachable as appropriate.
6414         (num_insns_constant, output_vec_const_move,
6415         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
6416         rs6000_emit_set_const, rs6000_emit_move,
6417         spe_build_register_parallel, function_arg,
6418         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
6419         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
6420         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
6421         rs6000_common_init_builtins, expand_block_clear,
6422         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
6423         extract_ME, rs6000_get_some_local_dynamic_name,
6424         rs6000_output_function_entry, print_operand,
6425         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
6426         output_cbranch, output_e500_flip_gt_bit,
6427         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
6428         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
6429         compute_save_world_info, rs6000_stack_info,
6430         rs6000_emit_load_toc_table, rs6000_frame_related,
6431         spe_synthesize_frame_save, rs6000_emit_epilogue,
6432         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
6433         output_function_profiler, rs6000_trampoline_size,
6434         rs6000_initialize_trampoline, find_addr_reg,
6435         rs6000_machopic_legitimize_pic_address,
6436         rs6000_initial_elimination_offset,
6437         rs6000_dbx_register_number): Likewise.
6438         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
6439         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
6440         *movti_power, *movti_string, call, call_value, sibcall,
6441         sibcall_value): Likewise.
6442         * config/rs6000/spe.md (*movdf_e500_double,
6443         *movv2si_internal): Likewise.
6444         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
6445         from comment.
6446
6447 2005-04-24  Richard Henderson  <rth@redhat.com>
6448
6449         PR target/21101
6450         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
6451         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
6452         Deny modes smaller than 4 bytes.
6453         * config/i386/i386-protos.h: Update.
6454
6455 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
6456
6457         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
6458         Switch h8300-*-rtems* to ELF.
6459
6460 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
6461
6462         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
6463
6464 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
6465
6466         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
6467
6468 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
6469
6470         PR middle-end/21082
6471         * fold-const.c: Fold &a[i]-&a[j] to i-j.
6472
6473 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
6474
6475         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
6476         definitions of ssa names in condition.  Split recusive part to ...
6477         (tree_simplify_using_condition_1): New function.
6478         (expand_simple_operations): New function.
6479
6480 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
6481
6482         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
6483         (find_interesting_uses_cond): Do not use integer_zerop and
6484         integer_nonzerop to check for integer constants.
6485         (set_use_iv_cost): Record the value field.
6486         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
6487         determine_use_iv_cost_outer): Set the value field of the cost pair.
6488         (may_eliminate_iv): Do not return the comparison code.
6489         (iv_elimination_compare): New function.
6490         (determine_use_iv_cost_condition): Set the value field.  Record
6491         noneliminable invariants correctly.
6492         (rewrite_use_compare, rewrite_use_outer): Use the value field.
6493
6494 2005-04-23  DJ Delorie  <dj@redhat.com>
6495
6496         * diagnostic.c (warning): Accept parameter to classify warning option.
6497         (warning0): New, for when a pointer to an error() like function is needed.
6498         * errors.c (warning): Likewise.
6499         * errors.h (warning, warning0): Adjust prototypes.
6500         * toplev.h (warning, warning0): Likewise.
6501
6502         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
6503         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
6504         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
6505         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
6506         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
6507         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
6508         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
6509         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
6510
6511         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
6512         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
6513         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
6514         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
6515         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
6516         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
6517         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
6518         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
6519         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
6520         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
6521         config/rs6000/aix52.h, config/rs6000/darwin.h,
6522         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
6523         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6524         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
6525         config/stormy16/stormy16.c, config/v850/v850-c.c,
6526         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
6527         callers.
6528
6529 2005-04-23  Richard Henderson  <rth@redhat.com>
6530
6531         PR rtl-opt/21102
6532         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
6533         performing some integral scalar simplifications.
6534
6535 2005-04-23  Richard Henderson  <rth@redhat.com>
6536
6537         PR target/21099
6538         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
6539         simplifying CONST_VECTOR.
6540
6541 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
6542
6543         * tree-ssa-live.c (live_worklist): Take a stack allocated on
6544         heap as an argument.  Update uses of stack.
6545         (calculate_live_on_entry): Allocate stack on heap.
6546
6547         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
6548         partition_link and tpa_nodes on heap.
6549
6550         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
6551         (mark_stmt_necessary, propagate_necessity,
6552         mark_really_necessary_kill_operand_phis): Update uses of
6553         worklist.
6554         (tree_dce_init): Allocate worklist using VEC_alloc.
6555         (tree_dce_done): Free worklist using VEC_free.
6556
6557 2005-04-23  Mike Stump  <mrs@apple.com>
6558
6559         * config/darwin.c (machopic_indirection_name): Don't use
6560         quotes needlessly.
6561         (darwin_emit_unwind_label): Use user_label_prefix instead of
6562         "_".
6563
6564 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
6565
6566         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
6567
6568 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
6569
6570         * config.gcc <cris-*>: Specify .opt files.
6571         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
6572         config/cris/linux.opt: New files.
6573         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
6574         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
6575         (TARGET_ELF): Override to 0.
6576         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
6577         -melinux-stacksize=N.
6578         * config/cris/cris.c: (cris_handle_option): New function.
6579         (TARGET_DEFAULT_TARGET_FLAGS): Override.
6580         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
6581         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
6582         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
6583         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
6584         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
6585         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
6586         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
6587         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
6588         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
6589         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
6590         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
6591         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
6592         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
6593         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
6594         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
6595         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
6596         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
6597         (TARGET_LINUX): Define 0.
6598         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
6599         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
6600         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
6601         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
6602         (TARGET_LINUX): Override to 1.
6603         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
6604
6605 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
6606
6607         * haifa-sched.c (schedule_block): Fix thinko in previous
6608         assertification patch.
6609
6610 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
6611
6612         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
6613         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
6614         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
6615         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
6616         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
6617         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
6618         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
6619         for hpux11.[1-9]*.
6620         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
6621         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
6622         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
6623         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
6624         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
6625         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
6626         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
6627         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
6628         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
6629         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
6630         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
6631         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
6632         (SUBTARGET_OPTIONS): Delete.
6633         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
6634         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
6635         instead of a string.
6636         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
6637         (pa_cpu_string, pa_unix_string): Delete.
6638         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
6639         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
6640         TARGET_HPUX_10_10.
6641         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6642         (pa_handle_option): New function.
6643         (override_options): Remove handling of -march=, -mfixed-range=,
6644         -mschedule= and -munix=.
6645         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
6646         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
6647         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
6648         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
6649         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
6650         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
6651         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
6652         redefining.
6653         * config/pa/pa.opt: New file.
6654         * config/pa/pa-hpux.opt: New file.
6655         * config/pa/pa-hpux1010.opt: New file.
6656         * config/pa/pa-hpux1111.opt: New file.
6657         * config/pa/pa64-hpux.opt: New file.
6658
6659 2005-04-22  David S. Miller  <davem@davemloft.net>
6660
6661         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
6662         integer when it's mode is VOIDmode not DImode.
6663
6664 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
6665
6666         * config/rs6000/rs6000.md (sync_add<mode>_internal,
6667         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
6668         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
6669         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
6670         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
6671         "bne- $-xxx" rather than local labels.
6672         (sync_lock_release<mode>): Add second operand.
6673         (lwsync): Use .long rather than a more meaningful opcode.
6674         * doc/md.texi (Standard Names): Add description of second
6675         parameter to sync_lock_test_and_set.
6676
6677 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
6678
6679         PR tree-optimization/21088
6680         * fold-const.c (fold_unary, fold_binary, fold_ternary):
6681         Export.
6682         * tree-vrp.c (compare_values): Use fold_binary to compare
6683         pointers.  Use boolean_type_node as the type of a comparison
6684         expression being folded.
6685         * tree.h: Add prototypes for fold_unary, fold_binary,
6686         fold_ternary.
6687
6688         * tree-ssa-dom.c: Fix formatting.
6689
6690 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
6691
6692         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
6693         * lambda-code.c (perfect_nestify): Mark virtual operands in
6694         the moved statement for renaming.
6695         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
6696         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
6697         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
6698         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
6699         * tree-flow.h (struct var_ann_d): Update comments.
6700         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
6701         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
6702         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
6703         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
6704         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
6705         debug_names_replaced_by): Remove declarations.
6706         (delete_update_ssa, get_current_def, set_current_def): Declare.
6707         (rewrite_into_loop_closed_ssa): Add new argument.  Update
6708         all callers.
6709         * tree-into-ssa.c: Include params.h.
6710         (old_virtual_ssa_names): Remove.  Update all users.
6711         (need_to_replace_names_p): Remove.  Update all users.
6712         (struct update_ssa_stats_d): Declare.
6713         (update_ssa_stats): New local.
6714         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
6715         dump_tree_ssa_stats, debug_tree_ssa_stats,
6716         dump_update_ssa, debug_update_ssa,
6717         dump_names_replaced_by, debug_names_replaced_by): Declare.
6718         (get_current_def, set current_def): Make extern.
6719         (is_old_name, is_new_name): Protect against references
6720         past the end of the sets.
6721         (add_new_name_mapping): Assert that OLD and NEW are
6722         different SSA names for the same symbol.
6723         When adding a virtual mapping, update stats for virtual
6724         mapping heuristic.
6725         (insert_phi_nodes_for): If UPDATE_P is true, create the
6726         LHS of the new PHI by duplicating SSA name VAR.
6727         (insert_phi_nodes_1): Remove.  Update all users.
6728         (insert_phi_nodes): Remove second argument.  Update all
6729         users.
6730         (maybe_replace_use, maybe_replace_def): New.
6731         (rewrite_update_stmt): Call them.
6732         (mark_def_interesting): Remove calls to is_gimple_reg.
6733         (prepare_phi_args_for_update): Remove.  Update all users.
6734         (prepare_block_for_update): Only process virtual operands
6735         and GIMPLE registers in normal form.
6736         (prepare_use_sites_for): New.
6737         (prepare_names_to_update): Rename from prepare_def_sites.
6738         Call prepare_use_sites_for.
6739         (dump_update_ssa): Rename from dump_repl_tbl.
6740         Update all users.
6741         Show statistics for virtual mapping heuristic.
6742         (debug_update_ssa): Rename from debug_debug_repl_tbl.
6743         (init_update_ssa): Initialize UPDATE_SSA_STATS.
6744         (delete_update_ssa): Make extern.
6745         (mark_set_for_renaming): If the set is empty, do nothing.
6746         (release_ssa_name_after_update_ssa): Update comment.
6747         (insert_updated_phi_nodes_for): Do not remove existing
6748         PHI nodes for symbols.
6749         (switch_virtuals_to_full_rewrite_p): New.
6750         (switch_virtuals_to_full_rewrite): New.
6751         (update_ssa): Call them.
6752         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
6753         for every statement before updating.
6754         If all the names in NEW_SSA_NAMES have been marked for
6755         removal, do nothing.
6756         Only start at the top of the CFG if there are symbols in
6757         SYMS_TO_RENAME.
6758         (ssa_rewrite_finalize_block): Remove.
6759         (ssa_register_new_def): Remove.
6760         (ssa_rewrite_stmt): Remove.
6761         (ssa_rewrite_phi_arguments): Remove.
6762         (ssa_rewrite_initialize_block): Remove.
6763         (ssa_mark_def_sites): Remove.
6764         (ssa_mark_def_sites_initialize_block): Remove.
6765         (ssa_mark_phi_uses): Remove.
6766         (rewrite_ssa_into_ssa): Remove.
6767         * tree-phinodes.c (find_phi_node_for): Remove.
6768         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
6769         Call update_ssa.
6770         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
6771         Remove calls to verify_dominators and
6772         verify_loop_structure.
6773         (tree_unswitch_single_loop): Call update_ssa.
6774         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
6775         returns false.
6776         Call verify_stmts.
6777         (delete_tree_ssa): Assert that need_ssa_update_p returns
6778         false.
6779         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
6780         * tree-vectorizer.c (allocate_new_names, rename_def_op,
6781         free_new_names): Remove.  Update all users.
6782         (rename_use_op): Call get_current_def.
6783         (rename_variables_in_bb): Do not handle any real or
6784         virtual definition.
6785         (slpeel_update_phis_for_duplicate_loop): Call
6786         get_current_def and set_current_def instead of using
6787         SSA_NAME_AUX.
6788         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
6789         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
6790         ssa_names_to_replace and delete_update_ssa.
6791         * doc/invoke.texi: Document --param min-virtual-mappings
6792         and --param virtual-mappings-ratio.
6793
6794 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
6795
6796         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
6797         for newly created PHI nodes.
6798         Call create_new_def_for for every new V_MAY_DEF and
6799         V_MUST_DEF on the copied statement.
6800         (struct ssa_name_map_entry): Remove.
6801         (ssa_name_map_entry_hash): Remove.
6802         (ssa_name_map_entry_eq): Remove.
6803         (allocate_ssa_names): Remove.
6804         (rewrite_to_new_ssa_names_def): Remove.
6805         (rewrite_to_new_ssa_names_use): Remove.
6806         (rewrite_to_new_ssa_names_bb): Remove.
6807         (rewrite_to_new_ssa_names): Remove.
6808         (tree_duplicate_sese_region): Remove variables ver,
6809         definitions, phi, ssa_name_map and bi.
6810         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
6811         Call update_ssa.
6812         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6813         update_ssa instead of rewrite_ssa_into_ssa.
6814         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
6815         create_new_def_for.
6816         (find_uses_to_rename_use): Add argument 'need_phis'.
6817         (find_uses_to_rename_stmt): Do not scan virtual operands.
6818         (find_uses_to_rename): Only scan PHI nodes for
6819         non-virtual names.
6820         (rewrite_into_loop_closed_ssa): Call update_ssa.
6821         (check_loop_closed_ssa_use): Ignore virtual operands.
6822         (check_loop_closed_ssa_stmt): Likewise.
6823         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
6824         NULL.
6825         (rename_variables, set_phi_def_stmts): Remove.
6826         (tree_duplicate_loop_to_header_edge): Reformat comment.
6827         Remove variables BB, I and DEFINITIONS.
6828         Call need_ssa_update_p.
6829         Call update_ssa.
6830         (lv_adjust_loop_header_phi): Reformat comment.
6831         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
6832         (marked_for_rewrite_p, any_marked_for_rewrite_p,
6833         mark_for_rewrite, unmark_all_for_rewrite,
6834         marked_ssa_names): Remove.  Update all users.
6835         (release_ssa_name): If VAR has been registered for SSA
6836         updating, do nothing.
6837         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
6838         (build_assert_expr_for): Call register_new_name_mapping.
6839         (insert_range_assertions): Update call to update_ssa.
6840         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
6841         marked_for_rewrite_p, any_marked_for_rewrite_p,
6842         marked_ssa_names): Remove.
6843
6844 2005-04-22  Jeff Law  <law@redhat.com>
6845
6846         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
6847         (restore_currdefs_to_original_value): Likewise.
6848         (register_definitions_for_stmt): Likewise.
6849         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
6850         for each variable.  Do not allocate/free block_defs_stack either.
6851         Do not iterate if we just thread jumps.  Only iterate if the
6852         tree_cleanup_cfg does useful work (temporary).
6853         (dom_opt_initialize_block): No longer push a marker on
6854         BLOCK_DEFS_STACK.
6855         (dom_opt_finalize_block): Removal call to restore currdefs.
6856         Relax restrictions for recording edge equivalences.
6857         (record_equivalences_from_phis): No longer need to track
6858         CURRENT_DEF.
6859         (optimize_stmt): Similarly.
6860         (thread_across_edge): Simplify by removing the requirement that
6861         statements in the block we are threading through must be nops.
6862         (initialize_hash_element): Handle GOTO_EXPR.
6863
6864 2005-04-22  David S. Miller  <davem@davemloft.net>
6865
6866         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
6867         CONST_DOUBLE_HIGH.
6868         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
6869         fix check on CONST_DOUBLE mode.  It should be VOIDmode
6870         when it is representing an integer.
6871
6872 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6873
6874         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
6875         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
6876         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
6877         find_char_info_specifier_index,
6878         find_length_info_modifier_index): Likewise.
6879         * c-typeck.c (composite_type, pop_init_level): Likewise.
6880         * combine.c (cant_combine_insn_p, try_combine): Likewise.
6881         * cse.c (cse_insn): Likewise
6882         * dominance.c (calc_dfs_tree): Likewise
6883         dwarf2out.c (loc_descriptor_from_tree_1,
6884         add_abstract_origin_attribute, force_decl_die,
6885         force_type_die): Likewise
6886         emit-rtl.c (operand_subword_force): Likewise
6887         explow.c (hard_function_value): Likewise
6888         expmed.c (store_bit_field, expand_divmod,
6889         emit_store_flag_force): Likewise
6890         expr.c (emit_move_multi_word, store_expr,
6891         expand_expr_real_1): Likewise
6892         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
6893         output_operand): Likewise
6894         flow.c (recompute_reg_usage): Likewise
6895         * function.c (assign_stack_temp_for_type, assign_temp,
6896         handle_epilogue_set): Likewise
6897         * genextract.c (main): Likewise
6898         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
6899         gimplify_modify_expr_rhs, gimplify_expr): Likewise
6900         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
6901         ready_remove, rm_line_notes, rm_other_notes,
6902         schedule_block): Likewise
6903         mips-tfile.c (copy_object, out_of_bounds): Likewise
6904
6905 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
6906
6907         PR target/20813
6908         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
6909         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
6910         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
6911         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
6912         TARGET_XL_COMPAT.
6913         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
6914
6915 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6916
6917         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
6918         (gcc_tree_to_linear_expression): Convert to heap allocated
6919         vectors.
6920         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
6921         lbv_to_gcc_expression, lle_to_gcc_expression,
6922         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
6923         perfect_nestify): Likewise.
6924         lambda.h (gcc_loopnest_to_lambda_loopnest,
6925         lambda_loopnest_to_gcc_loopnest): Likewise.
6926         tree-loop-linear.c (linear_transform_loops): Likewise.
6927
6928 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
6929
6930         * config/sparc/predicates.md (arith_double_operand): Use
6931         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
6932         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
6933         (DImode, DFmode constant splitters): Likewise.  Remove code for
6934         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
6935         (logical constant splitters): Use const_int_operand predicate.
6936         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
6937         HOST_BITS_PER_WIDE_INT < 64.
6938
6939 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
6940
6941         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
6942         gcc_unreachable as appropriate.
6943         (force_mode, emit_move_sequence, singlemove_string,
6944         output_move_double, output_fp_move_double, find_addr_reg,
6945         output_block_move, output_block_clear, output_and,
6946         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
6947         pa_adjust_cost, pa_issue_rate, print_operand,
6948         output_global_address, output_arg_descriptor, output_cbranch,
6949         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
6950         output_call): Likewise.
6951         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
6952         prefetch, prefetch_cc, prefetch_nocc): Likewise.
6953
6954 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
6955
6956         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
6957         _gcov_pow2_profiler and _gcov_one_value_profiler.
6958         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
6959         (GTFILES): Add $(srcdir)/tree-profile.c.
6960         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
6961         __gcov_one_value_profiler): Declare.
6962         * gimplify.c (force_gimple_operand): Check whether the statements
6963         should be produced in ssa form.
6964         (force_gimple_operand_bsi): New function.
6965         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
6966         __gcov_one_value_profiler): New functions.
6967         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
6968         the profiled value is a power of two or not.
6969         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
6970         * tree-flow.h (in_ssa_p): Declare.
6971         (force_gimple_operand_bsi): Declare.
6972         * tree-into-ssa.c (in_ssa_p): New variable.
6973         (rewrite_into_ssa): Set in_ssa_p.
6974         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
6975         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
6976         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
6977         tree_one_value_profiler_fn): New variables.
6978         (tree_init_edge_profiler): Initialize the profiler function decls.
6979         (tree_gen_edge_profiler): Use global gcov_type_node.
6980         (prepare_instrumented_value): New function.
6981         (tree_gen_interval_profiler, tree_gen_interval_profiler,
6982         tree_gen_one_value_profiler): Call the library functions instead of
6983         creating instrumentation code.
6984         * tree.c (build_fn_decl): New function.
6985         * tree.h (build_fn_decl): Declare.
6986         * value-prof.c (rtl_divmod_values_to_profile,
6987         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
6988         tree_mod_pow2_value_transform, tree_find_values_to_profile):
6989         Do not handle may_be_other and precise values of exponents at pow2
6990         profiler.
6991         (tree_mod_subtract_transform): Reflect that value field of
6992         histogram has changed meaning.
6993         (tree_divmod_values_to_profile): Record the values correctly.
6994         (tree_values_to_profile): Update comment.
6995         * value-prof.h (struct histogram_value_t): Remove pow2 data.
6996
6997 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
6998
6999         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
7000         (decl).
7001
7002 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
7003
7004         * config/i386/i386.md (length_immediate): Use gcc_assert or
7005         gcc_unreachable, as appropriate.
7006         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
7007         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
7008         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
7009         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
7010         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
7011         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
7012         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
7013         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
7014         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
7015         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
7016         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
7017         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
7018         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
7019         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
7020         *prefetch_sse_rex): Likewise.
7021         * config/i386/predicates.md (x86_64_immediate_operand,
7022         x86_64_zext_immediate_operand, symbolic_operand,
7023         no_seg_address_operand, aligned_operand,
7024         memory_displacement_operand): Likewise.
7025         * config/i386/sse.md (*mov<mode>_internal,
7026         *movv2df_internal): Likewise.
7027
7028 2005-04-22  Jan Hubicka  <jh@suse.cz>
7029
7030         * Makefile.in (ipa.o, ipa-inline.o): New files.
7031         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
7032         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
7033         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
7034         * cgraphunit.c (cgraph_default_inline_p,
7035         cgraph_decide_inlining_incrementally,  ncalls_inlined,
7036         nfunctions_inlined, initial_insns, overall_insns,
7037         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
7038         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
7039         cgraph_mark_inline, cgraph_check_inline_limits,
7040         cgraph_default_inline_p, cgraph_recursive_inlining_p,
7041         update_callee_keys, lookup_recursive_calls,
7042         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
7043         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
7044         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
7045         pass_ipa_inline): Move to ipa-inline.c
7046         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
7047         * ipa.c: New file.
7048         * ipa-inline.c: New file.
7049
7050 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
7051
7052         * doc/invoke.texi (SPARC options): Document that -mapp-regs
7053         is turned off by default on Solaris.
7054
7055 2005-04-21  Roger Sayle  <roger@eyesopen.com>
7056
7057         * c-common.h (objc_build_method_signature): Update prototype.
7058         * stub-objc.c (objc_build_method_signature): Update the stub
7059         implementation to accept and ignore additional parameter.
7060         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
7061         the value of ellipsis to objc_build_method_signature instead
7062         of setting TREE_OVERFLOW on the parms TREE_LIST node.
7063
7064 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
7065
7066         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
7067         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
7068         gen_rtx_* not gen_rtx_fmt_*.
7069         (rs6000_emit_vector_select): Likewise.
7070         (rs6000_emit_sync): New.
7071         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
7072         (larx, stcx, cmp): New mode substitutions.
7073         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
7074         UNSPEC_ISYNC): New constants.
7075         (rlwinm): Give name.
7076         (memory_barrier, isync, lwsync): New insns.
7077         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
7078         (sync_lock_release<mode>): New expander.
7079         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
7080         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
7081         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
7082         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
7083         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
7084         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
7085         (sync_add<mode>_internal, sync_addshort_internal,
7086         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
7087         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
7088         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
7089
7090         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
7091         is the memory before, not after, the operation.  Clarify
7092         barrier requirements.
7093
7094 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7095
7096         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
7097         * lambda.h (lambda_vector_min_nz): Likewise.
7098         * langhooks.h (struct lang_hooks_for_types,
7099         struct lang_hooks): Likewise.
7100         * output.h (assemble_integer, this_is_asm_operands): Likewise.
7101         * tree.h: Likewise.
7102         * vec.h: Likewise.
7103         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
7104
7105         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
7106         comments to avoid 'abort'.  Use gcc_assert as necessary.
7107         * opts.c (common_handle_option): Likewise.
7108         * pretty-print.c (pp_base_format_text): Likewise.
7109         * print-rtl.c (print_rtx): Likewise.
7110         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
7111         * regmove.c (try_auto_increment): Likewise.
7112         * reload.c (find_valid_class, find_reloads_toplev,
7113         find_equiv_reg): Likewise.
7114         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
7115         merge_assigned_reloads): Likewise.
7116         * tree-inline.c (inline_forbidden_p_1,
7117         estimate_num_insns_1): Likewise.
7118         * tree-optimize.c (execute_todo): Likewise.
7119         * tree-outof-ssa.c (eliminate_phi): Likewise.
7120         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
7121         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
7122         * tree-ssa-operands.c (parse_ssa_operands,
7123         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
7124         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
7125         * tree-ssanames.c (release_ssa_name): Likewise.
7126         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
7127         walk_tree): Likewise.
7128
7129         * tree-ssa-operands.c (verify_abort): Fold into ..
7130         (verify_imm_links): ... here.
7131
7132 2005-04-21  Richard Henderson  <rth@redhat.com>
7133
7134         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
7135         on non-memory operand for previous inversion.
7136
7137 2005-04-21  Devang Patel  <dpatel@apple.com>
7138
7139         PR optimization/20994
7140         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
7141         x = !(a == b) : p , q;.
7142         (pass_if_conversion): Verify stmts and flow.
7143
7144 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7145
7146         * optabs.c (gen_conditional_trap): Restore #define.
7147
7148         * alias.c (true_dependence): Remove 'abort' from comments. Use
7149         gcc_assert and gcc_unreachable as appropriate.
7150         (canon_true_dependence): Likewise.
7151         * bb-reorder.c (connect_traces): Likewise.
7152         * c-common.c (c_add_case_label): Likewise.
7153         * c-decl.c (finish_function): Likewise.
7154         * caller-save.c (insert_restore, insert_save): Likewise.
7155         * cfg.c (update_bb_profile_for_threading): Likewise.
7156         * cfganal.c (flow_active_insn_p): Likewise.
7157         * cfgexpand.c (add_reg_br_prob_note): Likewise.
7158         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
7159         cfg_layout_merge_blocks): Likewise.
7160         * ifcvt.c (cond_exec_process_insns, merge_if_block,
7161         find_if_block): Likewise.
7162         * integrate.c (allocate_initial_values): Likewise.
7163         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
7164         swap_condition, unsigned_condition, signed_condition,
7165         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
7166         reg_or_subregno): Likewise.
7167         * lambda-code.c (lambda_compute_auxillary_space,
7168         lambda_transform_legal_p): Likewise.
7169         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
7170         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
7171         lhd_incomplete_type_error, lhd_expand_expr,
7172         lhd_types_compatible_p, lhd_tree_size): Likewise.
7173         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
7174         * local-alloc.c (update_equiv_regs): Likewise.
7175         * loop-unroll.c (peel_loop_completely
7176         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
7177         peel_loop_simple, unroll_loop_stupid,
7178         analyze_iv_to_split_insn): Likewise.
7179         * loop.c (gen_prefetch, find_and_verify_loops,
7180         basic_induction_var): Likewise.
7181         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
7182         * value-prof.c (tree_find_values_to_profile): Likewise.
7183         * varasm.c (named_section, default_assemble_integer,
7184         decode_addr_const): Likewise.
7185
7186 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
7187            Fariborz Jahanian <fjahanian@apple.com>
7188
7189         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
7190         portion of argument passed in fpr.
7191         * expr.c (emit_push_insn): Fix computation of 'offset' used to
7192         decide on partial argument save on stack.
7193
7194 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
7195
7196         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
7197         comment typos.
7198
7199 2005-04-21  Jan Hubicka  <jh@suse.cz>
7200
7201         * cgraphunit.c: Include tree-pass.h
7202         (cgraph_decide_recursive_inlining,
7203         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
7204         cgraph_decide_inlining): Dump goes to dump_file.
7205         (cgraph_optimize): Call ipa passes instead of inliner.
7206         (cgraph_gate_inlining, pass_ipa_inline): New.
7207         * tree-optimize.c (all_ipa_passes): New static variable.
7208         (register_one_dump_file): Dead with IPA passes.
7209         (register_dump_files): Likewise.
7210         (init_tree_optimization_passes): Initialize IPA passes.
7211         (execute_todo): Do cgraph dump when asked to, do not dump function body
7212         for IPA pass.
7213         * tree-pass.h (TODO_dump_cgraph): New macro.
7214         (ipa_passes): Declare.
7215         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
7216
7217 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7218
7219         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
7220         gcc_assert instead of abort.
7221         (classify_argument, examine_argument, construct_container,
7222         contains_128bit_aligned_vector_p, ix86_check_movabs,
7223         standard_80387_constant_opcode, standard_80387_constant_rtx,
7224         ix86_initial_elimination_offset, ix86_compute_frame_layout,
7225         pro_epilogue_adjust_stack, ix86_expand_epilogue,
7226         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
7227         legitimize_tls_address, output_pic_addr_const,
7228         i386_output_dwarf_dtprel, put_condition_code, print_reg,
7229         get_some_local_dynamic_name, print_operand, print_operand_address,
7230         output_387_binary_op, emit_i387_cw_initialization,
7231         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
7232         ix86_expand_clear, ix86_expand_binary_operator,
7233         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
7234         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
7235         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
7236         ix86_expand_branch, ix86_expand_setcc,
7237         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
7238         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
7239         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
7240         memory_address_length, ix86_attr_length_immediate_default,
7241         ix86_attr_length_address_default, ix86_agi_dependant,
7242         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
7243         ix86_expand_binop_builtin, ix86_force_to_memory,
7244         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
7245         x86_emit_floatuns): Likewise.
7246         * config/i386/netware.c (gen_regparm_prefix,
7247         i386_nlm_strip_name_encoding): Likewise.
7248         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
7249
7250 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7251
7252         * optabs.c (gen_condiational_trap): Remove #define.
7253         (add_equal_note): Assertify. Remove explicit indirection from
7254         call via function pointer.
7255         (expand_ternary_op, expand_simple_binop, expand_binop,
7256         expand_twoval_unop, expand_twoval_binop,
7257         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
7258         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
7259         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
7260         prepare_float_lib_cmp, emit_conditional_move,
7261         emit_conditional_add, gen_add2_insn, gen_add3_insn,
7262         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
7263         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
7264         vector_compare_rtx, expand_vec_cond_expr): Likewise.
7265
7266 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
7267
7268         * vec.h: Update API to separate allocation mechanism from type.
7269         (VEC_safe_grow): New.
7270         * vec.c (calculate_allocation): New.
7271         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
7272         (vec_gc_free, vec_heap_free): Remove.
7273         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
7274         (VEC): Likewise.
7275         (mangle_macro_name): New.
7276         (struct macro_def): New.
7277         (struct macro): Add multiple argument values.
7278         (macro_expans_end): New.
7279         (push_macro_expansion):  Chain on new macro. Process multiple
7280         args, create follow on expansion. Return follow on argument.
7281         (macro_input): Deal with multiple arguments.
7282
7283         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
7284         (struct tree_binfo): Adjust.
7285         * basic-block.h: Define VEC(edge,gc).
7286         (struct edge_def): Adjust.
7287         (struct basic_block_def, struct edge_iterator): Likewise.
7288         (ei_container, ei_start_1, ei_last_1): Likewise.
7289         * cfg.c (connect_src, connect_dest): Likewise.
7290         * cfgrtl.c (force_nonfallthru_and_redirect)
7291         * dbxout.c (dbxout_type)
7292         * dwarf2out.c (gen_member_die)
7293         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
7294         (gcc_tree_to_linear_expression): Adjust.
7295         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
7296         lbv_to_gcc_expression, lle_to_gcc_expression,
7297         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
7298         perfect_nestify): Likewise.
7299         * lambda.h (gcc_loopnest_to_lambda_loopnest,
7300         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
7301         * profile.c (instrument_values): Adjust.
7302         * tree-cfg.c (modified_noreturn_calls): Adjust.
7303         (remove_fallthru_edge): Likewise.
7304         * tree-dump.c (dequeue_and_dump): Adjust.
7305         * tree-flow-inline.h (mark_stmt_modified): Adjust.
7306         * tree-flow.h (modified_noreturn_calls): Adjust.
7307         (tree_on_heap): Remove. (yay!)
7308         (register_new_def): Adjust.
7309         * tree-into-ssa.c: Define VEC(int,heap).
7310         (block_defs_stack): Adjust.
7311         (find_idf, insert_phi_nodes, register_new_def,
7312         rewrite_initialize_block, rewrite_finalize_block,
7313         register_new_update_single, rewrite_update_init_block,
7314         rewrite_update_fini_block, rewrite_blocks,
7315         ssa_rewrite_finalize_block, ssa_register_new_def,
7316         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
7317         * tree-loop-linear.c (linear_transform_loops): Adjust.
7318         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
7319         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
7320         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
7321         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
7322         vrp_variables_stack): Adjust declarations.
7323         (tree_ssa_dominator_optimize): Adjust.
7324         (dom_opt_initialize_block, remove_local_expressions_from_table,
7325         restore_nonzero_vars_to_original_value,
7326         restore_vars_to_original_value,
7327         restore_currdefs_to_original_value, dom_opt_finalize_block,
7328         record_var_is_nonzero, record_cond, record_const_or_copy_1,
7329         optimize_stmt, update_rhs_and_lookup_avail_expr,
7330         lookup_avail_expr, record_range): Likewise.
7331         * tree-ssa-pre.c: Define VEC(basic_block,heap).
7332         (compute_antic_aux): Adjust.
7333         (inserted_exprs, create_expression_by_pieces,
7334         insert_into_preds_of_block, eliminate, mark_operand_necessary,
7335         remove_dead_inserted_code, fini_pre): Likewise.
7336         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
7337         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
7338         ssa_prop_init): Likewise.
7339         * tree-ssa.c: Define VEC(bitmap,heap).
7340         (verify_name_tags): Adjust.
7341         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
7342         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
7343         tree_divmod_values_to_profile, tree_find_values_to_profile,
7344         value_profile_transformations): Likewise.
7345         * value-prof.h: Define VEC(histogram_value,heap).
7346         * varasm.c: Remove alias_pair pointer typedef, define
7347         VEC(alias_pair,gc).
7348         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
7349
7350         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
7351         not a pointer to it.  Create an object vector.
7352         (extern_symbols): Turn into an object vector.
7353         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
7354
7355 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
7356
7357         PR/20742
7358         * Makefile.in (tree-chrec.o): Depend on params.h.
7359         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
7360         default value 20.
7361         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
7362         and fold build with fold_buildN.
7363         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
7364         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
7365         (tree_contains_chrecs): Compute an estimation of the size of the
7366         given expression.
7367         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
7368         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
7369         * tree-scalar-evolution.c (simple_iv): Ditto.
7370         * doc/invoke.texi (scev-max-expr-size): Documented.
7371
7372 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
7373
7374         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
7375         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
7376         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
7377         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
7378         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
7379         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
7380         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
7381         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
7382         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
7383         (darwin_fix_and_continue_switch): Delete.
7384         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
7385         (SUBTARGET_SWITCHES): Delete.
7386         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
7387         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
7388         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
7389         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
7390         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
7391         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
7392         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
7393         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
7394         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
7395         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
7396         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
7397         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
7398         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
7399         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
7400         (TARGET_64BIT): Undef before redefining.
7401         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
7402         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
7403         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
7404         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
7405         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
7406         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
7407         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
7408         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
7409         (ix86_debug_arg_string, ix86_debug_addr_string)
7410         (ix86_align_loops_string, ix86_align_jumps_string)
7411         (ix86_align_funcs_string): Delete.
7412         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
7413         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
7414         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
7415         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
7416         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
7417         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
7418         (SUBTARGET_SWITCHES): Delete.
7419         * config/i386/i386.c (ix86_debug_arg_string): Delete.
7420         (ix86_debug_addr_string): Delete.
7421         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
7422         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
7423         (ix86_align_loops_string, ix86_align_jumps_string)
7424         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
7425         (ix86_align_funcs_string): Make static.
7426         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7427         (ix86_handle_option): New function.
7428         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
7429         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
7430         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
7431         of darwin_fix_and_continue_switch.
7432         (darwin_one_byte_bool): Delete.
7433         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
7434         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
7435         to darwin_one_byte_bool.
7436         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
7437         * config/i386/djgpp.opt, config/i386/i386.opt,
7438         * config/i386/sco5.opt: New files.
7439
7440 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7441
7442         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
7443         fp_zero_operand, fp_register_operand, intreg_operand,
7444         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
7445         call_operand, call_operand_address, tgd_symbolic_operand,
7446         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
7447         symbolic_operand, symbolic_memory_operand, label_ref_operand,
7448         sp64_medium_pic_operand, data_segment_operand,
7449         text_segment_operand, splittable_symbolic_memory_operand,
7450         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
7451         eq_or_neq, normal_comp_operator, noov_compare_op,
7452         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
7453         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
7454         const64_operand, const64_high_operand, arith11_operand,
7455         arith10_operand, arith_double_operand, arith_double_4096_operand,
7456         arith_double_add_operand, arith11_double_operand,
7457         arith10_double_operand, small_int, small_int_or_double,
7458         uns_small_int, uns_arith_operand, clobbered_register,
7459         input_operand, compare_operand): Delete.
7460         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
7461         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
7462         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
7463         (GEN_HIGHINT64, GEN_INT64): Delete.
7464         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7465         gen_safe_XOR64): Adjust for above deletion.
7466         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
7467         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
7468         (legitimate_constant_p): Use const_zero_operand instead.
7469         (sparc_extra_constraint_check): Likewise.
7470         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
7471         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
7472         (PREDICATE_CODES): Delete.
7473         * config/sparc/sparc.md: Include predicates.md.
7474         (All patterns): Adjust for new predicate names.
7475         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
7476         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
7477         (movdi): Use general_operand predicate.
7478         (movdi_sp64_dbl): Delete.
7479         (movdi_const64_special): Add 'N' constraint.
7480         (movdicc): Use arith10_operand predicate.
7481         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
7482         (movdi_cc_reg_sp64): Use arith10_operand predicate.
7483         (movdi_cc_reg_sp64_trunc): Delete.
7484         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
7485         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
7486         (subdi3_sp32): Delete.
7487         (subdi3_insn_sp32): Change to define_insn_and_split.
7488         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
7489         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
7490         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
7491         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
7492         small_int_operand predicate.
7493         (divdi3, udivdi3): Use arith_operand predicate.
7494         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
7495         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
7496         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
7497         (xordi3_sp64_dbl): Delete.
7498         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7499         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
7500         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
7501         cmp_ccx_set_not): Use arith_operand predicate.
7502         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
7503         * config/sparc/predicates.md: New file.
7504
7505 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
7506
7507         PR tree-optimization/14846
7508         * fold-const.c (fold_single_bit_test_into_sign_test): New,
7509         split out from ...
7510         (fold_single_bit_test): ... here.
7511         (fold_binary): Call fold_single_bit_test_into_sign_test
7512         instead of fold_single_bit_test.
7513
7514 2005-04-20  James E Wilson  <wilson@specifixinc.com>
7515
7516         PR c++/20805
7517         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
7518         is another declaration.
7519
7520 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
7521
7522         * config/cris/predicates.md: New file.
7523         * config/cris/cris-protos.h (cris_store_multiple_op_p)
7524         (cris_movem_load_rest_p): Declare.
7525         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
7526         (cris_movem_load_rest_p): Ditto.  Globalize.
7527         (cris_bdap_operand, cris_bdap_biap_operand,
7528         cris_orthogonal_operator, cris_commutative_orth_op,
7529         cris_operand_extend_operator,
7530         cris_additive_operand_extend_operator, cris_extend_operator,
7531         cris_plus_or_bound_operator, cris_mem_op,
7532         cris_general_operand_or_symbol,
7533         cris_general_operand_or_gotless_symbol,
7534         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
7535         cris_load_multiple_op): Remove predicate functions.
7536         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
7537         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
7538         * config/cris/cris.h (PREDICATE_CODES): Don't define.
7539         * config/cris/cris.md: Include predicates.md.
7540         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
7541
7542 2005-04-20  Ian Lance Taylor  <ian@airs.com>
7543
7544         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
7545         * c-common.h (STMT_EXPR_STMT): Don't define.
7546         (STMT_EXPR_NO_SCOPE): Don't define.
7547         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
7548         * c-pretty-print.c (pp_c_primary_expression): Likewise.
7549         (pp_c_expression): Likewise.
7550
7551 2005-04-20  Richard Henderson  <rth@redhat.com>
7552
7553         PR target/21100
7554         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
7555
7556 2005-04-20  Jeff Law  <law@redhat.com>
7557
7558         * reload1.c (reload): Ignore equivalences between pseudos and
7559         read only memory.
7560
7561 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
7562
7563         PR c/12913
7564         * c-tree.h (struct c_label_list): Update comment.
7565         (struct c_label_context): Rename to struct c_label_context_se.
7566         (label_context_stack): Rename to label_context_stack_se.
7567         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
7568         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
7569         c_end_vm_scope): New.
7570         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
7571         * c-decl.c (pop_scope): Call c_end_vm_scope.
7572         (pushdecl): Call c_begin_vm_scope for variably modified
7573         declarations.
7574         (define_label): Check for jumping into scope of identifier with
7575         variably modified type.  Push label on stack for those defined at
7576         current context of identifiers with variably modified type.
7577         (start_function): Create stack level for context of identifiers
7578         with variably modified type.
7579         (finish_function): Pop stack level for context of identifiers with
7580         variably modified type.
7581         * c-typeck.c (label_context_stack): Rename to
7582         label_context_stack_se.
7583         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
7584         (c_finish_goto_label): Check for jumping into scope of identifier
7585         with variably modified type.  Push label on stack for those jumped
7586         to from current context of identifiers with variably modified
7587         type.
7588         (struct c_switch): Add blocked_vm.
7589         (c_start_case): Initialize blocked_vm.
7590         (do_case): Check blocked_vm.
7591         (c_finish_case): Add comment.
7592         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
7593         variable label_context_stack.
7594
7595 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
7596
7597         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
7598         conditional_replacement, value_replacement, abs_replacement,
7599         minmax_replacement.
7600         (replace_phi_edge_with_variable): Remove argument BB.
7601         (conditional_replacement, value_replacement,
7602         minmax_replacement, abs_replacement): Remove argument PHI_BB.
7603         Update a call to replace_phi_edge_with_variable.
7604
7605         * tree-ssa-phiopt.c: Fix comments.
7606
7607 2005-04-20  Michael Matz  <matz@suse.de>
7608
7609         PR20973
7610         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
7611         pseudos.
7612
7613 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
7614
7615         * tree-ssa-phiopt.c: Fix comment typos.
7616
7617         PR tree-optimization/21116
7618         * tree-ssa-phiopt.c: Fix a typo.
7619
7620 2005-04-19  Richard Henderson  <rth@redhat.com>
7621
7622         * builtins.c (expand_builtin_sync_operation): Revert last change.
7623         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
7624         not vs new value.
7625         (expand_compare_and_swap_loop): Likewise.
7626         (expand_sync_operation): Remove fallback from NAND to AND; invert
7627         memory operand when expanding from cmpxchg.
7628         (expand_sync_fetch_operation): Likewise.
7629         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
7630         compare-and-swap.
7631
7632         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
7633         when implementing NAND.  Fix double-add for AFTER.
7634         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
7635         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7636         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
7637         memory value.
7638         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
7639         memory barrier.
7640
7641         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
7642         to return old memory value.
7643         (sync_compare_and_swap_cc<IMODE>): Likewise.
7644
7645         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
7646         return pre-reload.  Don't consider output or anti dependencies.
7647         * config/ia64/sync.md (IMODE): New.
7648         (modesuffix): Add QI and HI.
7649         (memory_barrier): Simplify expansion.
7650         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
7651         (cmpxchg_acq_<IMODE>): Likewise.
7652         (sync_lock_test_and_set<IMODE>): Likewise.
7653         (sync_lock_release<IMODE>): Likewise.
7654
7655 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
7656
7657         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
7658         ~X or ~Y simplify.
7659
7660 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
7661
7662         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
7663
7664 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
7665             Joseph S. Myers  <joseph@codesourcery.com>
7666
7667         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
7668         * c-typeck.c (build_c_cast): Check these options.
7669         * doc/invoke.texi: Document these options.
7670
7671 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
7672
7673         * tree-ssa-phiopt.c: Update a comment about the pass.
7674
7675 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
7676
7677         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
7678         config/mcore/mcore.c: Fix comment typos.
7679
7680 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
7681
7682         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
7683         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
7684
7685 2005-04-19  Paul Brook  <paul@codesourcery.com>
7686
7687         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
7688
7689 2005-04-19  Andrew Haley  <aph@redhat.com>
7690
7691         PR java/21022
7692         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
7693         looking at a field's bitpos.
7694
7695 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7696
7697         * system.h (fopen, fdopen, freopen): Define these to the unlocked
7698         libiberty functions.
7699
7700 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
7701
7702         PR tree-optimization/21096
7703         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
7704
7705 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
7706
7707         PR target/21098
7708         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
7709         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
7710
7711 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
7712
7713         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
7714         refers to the function being dumped.
7715
7716 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
7717
7718         * varasm.c (assemble_start_function): Remove reset of in_section.
7719
7720 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
7721
7722         PR tree-optimization/21085
7723         * fold-const (fold_binary): Don't change X % -C to X % C if C has
7724         overflowed.
7725
7726 2005-04-19  Ben Elliston  <bje@au.ibm.com>
7727
7728         * doc/invoke.texi (Optimize Options): Refer to the correct
7729         optimisation flag -ftree-dominator-opts, not -ftree-dom.
7730
7731 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
7732
7733         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
7734         alloca argument to be big enough.
7735
7736 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
7737
7738         PR middle-end/21049
7739         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
7740         cfun->cfg are NULL.
7741
7742 2005-04-18  Tom Tromey  <tromey@redhat.com>
7743
7744         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
7745         typo.
7746
7747 2005-04-18  Richard Henderson  <rth@redhat.com>
7748
7749         * config/alpha/alpha.c (alpha_split_atomic_op): New.
7750         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
7751         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
7752         * config/alpha/alpha-protos.h: Update.
7753         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
7754         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
7755         (attr type): Add ld_l, st_c, mb.
7756         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
7757         iornotsi3, xorsi_internal, xornotsi3): New.
7758         * config/alpha/ev4.md (ev4_ld): Add ld_l.
7759         (ev4_ist_c, ev4_mb): New.
7760         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
7761         (ev5_ld_l): New.
7762         * config/alpha/ev6.md (ev6_ild): Add ld_l.
7763         (ev6_ist): Add st_c.
7764         (ev6_mb): New.
7765         * config/alpha/sync.md: New file.
7766
7767 2005-04-18  Richard Henderson  <rth@redhat.com>
7768
7769         * builtins.c (expand_builtin_sync_operation): Fold nand to and
7770         for constants.
7771
7772         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
7773
7774 2005-04-18  Devang Patel  <dpatel@apple.com>
7775
7776         * config/rs6000/atlivec.md (mulv4si3): New pattern.
7777
7778 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
7779
7780         PR tree-optimization/20922
7781         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
7782         Fold X + c >= X and fold X - c <= X to true.
7783
7784 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
7785
7786         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
7787         unsigned int.
7788         (emergency_labeled_state_free): Likewise.
7789
7790 2005-04-18  Nick Clifton  <nickc@redhat.com>
7791
7792         * config/h8300/h8300.md (jump): Remove prescan parameter from
7793         calls to final_scan_insn.
7794
7795         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
7796         parameter from calls to final_scan_insn.
7797
7798         * config.gcc (m68hc12): Use the m68hc11.opt file for target
7799         specific options.
7800         (v850e, v850e1): Use the v850.opt file for target specific
7801         options.
7802
7803 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
7804
7805         PR tree-optimization/21001
7806         * tree-optimize.c (init_tree_optimization_passes): Move the
7807         first pass_forwprop immediately before pass_vrp.
7808
7809 2005-04-17  Ian Lance Taylor  <ian@airs.com>
7810
7811         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
7812         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
7813         from enum tree_code op to bool is_sizeof.
7814         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
7815         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
7816         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
7817         case.
7818         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
7819         cases.
7820         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
7821         ALIGNOF_EXPR cases.
7822
7823 2005-04-17  Ian Lance Taylor  <ian@airs.com>
7824
7825         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
7826
7827 2005-04-17  Richard Henderson  <rth@redhat.com>
7828
7829         * config/alpha/alpha.c (va_list_skip_additions): Only define if
7830         TARGET_ABI_OSF.
7831         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
7832         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
7833         of indirection through ssa names while looking for the gpr counter
7834         field.
7835         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
7836         saved va_list_gpr_size and va_list_fpr_size.
7837
7838 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
7839
7840         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
7841         both pointers or both integers.
7842
7843         * tree-vrp.c (maybe_add_assert_expr): Don't assert
7844         ASSERT_EXPRs for single-use variable.
7845
7846         * tree-into-ssa.c: Fix a comment typo.
7847
7848 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
7849
7850         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
7851         -mipsN before forcing a default of -mips2.
7852
7853 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
7854
7855         * predict.h (IS_TAKEN): Remove.
7856         * rtl.h (NOTE_PREDICTION): Likewise.
7857
7858         * modulo-sched.c (CFG_HOOKS): Remove.
7859
7860         * c-parser.c (N_C_TTYPES): Remove.
7861
7862         * tree-flow-inline.h (get_stmt_operands): Remove.
7863         * lambda-code.c, tree-ssa-loop-unswitch.c,
7864         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
7865         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
7866         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
7867         calls to get_stmt_operands.
7868         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
7869
7870 2005-04-17  Richard Henderson  <rth@redhat.com>
7871
7872         PR target/20375
7873         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
7874         of CUMULATIVE_ARGS past the last named argument.
7875         (alpha_va_start): Expect pretend_args_size only if strictly less than
7876         6 named arguments.
7877
7878 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
7879
7880         PR middle-end/21024
7881         * builtins.c (expand_builtin_strcat): Convert the result of
7882         strlen to the right type.
7883         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
7884         avoid creating type mismatches.
7885         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
7886         type mismatches.
7887
7888         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
7889
7890 2005-04-16  Richard Henderson  <rth@redhat.com>
7891
7892         PR target/21051
7893         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
7894         Use the mode of boolean_type_node when the user doesn't provide one.
7895         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
7896
7897 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
7898
7899         PR target/20126
7900         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
7901         (const)).
7902
7903         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
7904         comment.
7905
7906 2005-04-16  Roger Sayle  <roger@eyesopen.com>
7907             Steven Bosscher  <stevenb@suse.de>
7908
7909         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
7910         (fold_unary_to_constant): Likewise.
7911
7912 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
7913
7914         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
7915         PROP_ASM_SCAN.
7916
7917 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
7918
7919         * doc/install.texi (Specific): Avoid using asterisks in @anchor
7920         names related to target triplets.
7921         Remove i?86-*-esix from platform directory.
7922         Remove powerpc-*-eabiaix from platform directory.
7923
7924 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
7925
7926         PR middle-end/20491
7927         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
7928         falling through from SUBREG case to REG.
7929
7930 2005-04-15  Roger Sayle  <roger@eyesopen.com>
7931
7932         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
7933         (fold_binary): Update comment mentioning fold_relational_hi_lo.
7934         (fold_binary_to_constant): Simplify using fold_binary.
7935         (fold_unary_to_constant): Likewise, simplify using fold_unary.
7936
7937 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7938
7939         * gthr-posix.c (pthread_cancel): Define.
7940         (pthread_mutexattr_init): Likewise.
7941         (pthread_mutexattr_settype): Likewise.
7942         (pthread_mutexattr_destroy): Likewise.
7943
7944 2005-04-15  David S. Miller  <davem@davemloft.net>
7945
7946         PR target/20673
7947         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
7948
7949 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
7950
7951         PR tree-optimization/21031
7952         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
7953         (forward_propagate_into_cond_1): Call it.  Forward propagate
7954         integer-integer casts into COND_EXPRs.
7955
7956 2005-04-15  Dave Korn  <dave.korn@artimi.com>
7957
7958         * gcc.c (default_compilers): Clarify obscure error message when
7959         reading from standard input.
7960
7961 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
7962
7963         * basic-block.h (PROP_EQUAL_NOTES): Remove.
7964         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
7965
7966         * tree-ssa-alias.c (init_alias_info): Remove a call to
7967         get_stmt_operands.
7968
7969 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
7970
7971         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
7972         of non-virtual PHI nodes like we use to.
7973
7974 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
7975
7976         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
7977         (attr_copy_rtx): Do not use it.
7978
7979 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
7980
7981         * doc/tree-ssa.texi: Grammer/abbreviation updates.
7982
7983 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
7984
7985         * tree-vect-transform.c (vectorizable_store): Mark necessary
7986         objects in the vectorized store needing renaming.  Update the
7987         SSA graph for V_MAY_DEF operands in the original store.
7988
7989 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
7990
7991         * tree-ssa-pre.c (compute_avail): It's okay to have
7992         TREE_INVARIANT's here, and value number the resulting expressions.
7993         (create_expression_by_pieces): Make sure operands that were
7994         min_invariant when we started, stay that way.
7995
7996 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
7997
7998         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
7999
8000 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8001
8002         PR tree-optimization/20936.
8003         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
8004
8005 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8006
8007         * doc/invoke.texi: Fix typos.
8008         * doc/md.texi: Likewise.
8009         * doc/rtl.texi: Likewise.
8010         * doc/sourcebuild.texi: Likewise.
8011         * doc/tm.texi: Likewise.
8012
8013 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
8014
8015         PR tree-optimization/21004
8016         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
8017         and floorl in c99 mode only.
8018         * builtins.c (expand_builtin_int_roundingfn): Assert that
8019         fallback_fndecl is not NULL_TREE.
8020
8021 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
8022
8023         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
8024         * basic-block.h: Update the prototype for
8025         purge_all_dead_edges.
8026         * cfgexpand.c (tree_expand_cfg): Update a call to
8027         purge_all_dead_edges.
8028         * combine.c (combine_instructions): Likewise.
8029         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
8030         rest_of_handle_cse2, rest_of_handle_gcse,
8031         rest_of_handle_postreload): likewise.
8032
8033 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
8034
8035         PR middle-end/20739
8036         * gimplify.c (gimplify_addr_expr): Compensate for removal of
8037         e.g. cv-qualification conversions.
8038
8039 2005-04-14  Mike Stump  <mrs@apple.com>
8040
8041         * config/darwin-c.c (framework_construct_pathname): We must
8042         find all headers of a framework in the first instance of it
8043         found in the seach path.
8044
8045 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
8046
8047         PR tree-optimization/21021
8048         * tree-vrp.c (compare_values): Work around a bug in the front
8049         end that produces a comparison of mismatched types.
8050
8051 2004-04-14  Richard Henderson  <rth@redhat.com>
8052
8053         * config/ia64/ia64.h (enum fetchop_code): Remove.
8054         (enum ia64_builtins): Move ...
8055         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
8056         members except BSP and FLUSHRS.
8057         (ia64_init_builtins): Remove __sync builtins.
8058         (ia64_expand_builtin): Likewise.
8059         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
8060         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
8061         (ia64_expand_lock_release): Remove.
8062         * config/ia64/ia64.md (mf): Move to sync.md.
8063         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
8064         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
8065         * config/ia64/sync.md: New file.
8066         (memory_barrier): Rename from mf.
8067         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
8068         (cmpxchg_acq_<I48MODE>): Likewise.
8069         (sync_lock_test_and_set<I48MODE>): Likewise.
8070
8071         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
8072         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
8073
8074 2004-04-14  Richard Henderson  <rth@redhat.com>
8075
8076         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
8077         (ix86_compare_emitted): New.
8078         (ix86_expand_compare): Use ix86_compare_emitted if set.
8079         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
8080         and ix86_compare_op0 are set.
8081         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
8082         (TARGET_CMPXCHG, TARGET_XADD): New.
8083         (ix86_compare_emitted): Declare.
8084         * config/i386/i386.md: Include sync.md
8085         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
8086         (UNSPECV_XCHG, UNSPECV_LOCK): New.
8087         * config/i386/sync.md: New file.
8088
8089 2004-04-14  Richard Henderson  <rth@redhat.com>
8090
8091         PR middle-end/14311
8092         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
8093         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
8094         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
8095         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
8096         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
8097         BT_FN_I8_VPTR_I8_I8): New.
8098         * builtins.def (DEF_SYNC_BUILTIN): New.
8099         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
8100         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
8101         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
8102         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
8103         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
8104         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
8105         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
8106         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
8107         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
8108         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
8109         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
8110         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
8111         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
8112         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
8113         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
8114         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
8115         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
8116         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
8117         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
8118         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
8119         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
8120         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
8121         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
8122         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
8123         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
8124         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
8125         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
8126         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
8127         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
8128         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
8129         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
8130         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
8131         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
8132         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
8133         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
8134         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
8135         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
8136         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
8137         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
8138         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
8139         BUILT_IN_SYNCHRONIZE: New.
8140         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
8141         as a function.  Accept __sync_ as a prefix as well.
8142         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8143         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
8144         expand_builtin_lock_release): New.
8145         (expand_builtin): Call them.
8146         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
8147         neither BOTH_P nor FALLBACK_P are defined.
8148         (builtin_type_for_size): New.
8149         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
8150         (resolve_overloaded_builtin): New.
8151         * c-common.h (resolve_overloaded_builtin): Declare.
8152         (builtin_type_for_size): Declare.
8153         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
8154         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
8155         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
8156         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
8157         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
8158         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
8159         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
8160         sync_compare_and_swap_cc, sync_lock_test_and_set,
8161         sync_lock_release): New.
8162         * optabs.h: Declare them.
8163         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
8164         expand_sync_operation, expand_sync_fetch_operation,
8165         expand_sync_lock_test_and_set): Declare.
8166         * genopinit.c (optabs): Add sync optabs.
8167         * optabs.c (init_optabs): Initialize sync optabs.
8168         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
8169         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
8170         expand_sync_operation, expand_sync_fetch_operation,
8171         expand_sync_lock_test_and_set): New.
8172         * doc/extend.texi (Atomic Builtins): New section
8173         * doc/md.texi (Standard Names): Add sync patterns.
8174
8175 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
8176
8177         * tree-eh.c (lower_try_finally_copy): Generate new code in
8178         response to goto_queue entries as if the queue was sorted by
8179         index, not pointers.
8180         (lower_try_finally_switch): Likewise.
8181
8182 2005-04-14  Richard Henderson  <rth@redhat.com>
8183
8184         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
8185         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
8186         register.
8187         (ix86_expand_fp_movcc): Update to match.
8188         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
8189         * config/i386/i386-protos.h: Update.
8190         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
8191         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
8192
8193 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
8194
8195         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
8196         refer to 4.0.
8197
8198 2005-04-14  Julian Brown  <julian@codesourcery.com>
8199
8200         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
8201         link failures on ppc64 Linux.
8202
8203 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8204
8205         * config.gcc: Set cpu_type for s390.
8206
8207 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
8208
8209         Fix PR tree-optimization/20963
8210         * tree-ssa-pre.c (compute_avail): Remove special case for
8211         TREE_INVARIANT.
8212         (create_expression_by_pieces): Add value numbers for forced out
8213         statements.
8214
8215 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
8216
8217         * config/cris/cris.md: Replace references to (reg:SI 16) with
8218         (reg:SI CRIS_SRP_REGNUM).
8219
8220 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
8221
8222         PR tree-optimization/20657
8223         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
8224         create an appropriate range from it.
8225
8226 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
8227
8228         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
8229         <UNSPEC_FIST_CEIL> case.
8230
8231         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
8232         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
8233         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
8234         to implement lfloor and llfloor built-ins as x87 intrinsic function.
8235         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
8236         (lfloor<mode>2): New expanders.
8237         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
8238         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
8239         to implement lceil and llceil built-ins as x87 intrinsic function.
8240         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
8241         (lceil<mode>2): New expanders.
8242
8243 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
8244
8245         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
8246         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
8247
8248 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
8249
8250         PR target/20927
8251         * config/s390/s390-modes.def: Define TFmode.
8252
8253 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
8254
8255         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
8256         (JUMP_TABLES_IN_TEXT_SECTION): Define.
8257         * config/mips/mips.c (mips16_insn_length): Remove reference to
8258         JUMP_TABLES_IN_TEXT_SECTION.
8259
8260 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
8261
8262         * simplify-rtx.c (simplify_binary_operation_1): Return
8263         scalar or vector of constant 0, depending on the xor's
8264         mode.
8265
8266 2005-04-13  Dale Johannesen  <dalej@apple.com>
8267
8268         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
8269         (objc-act.o):  Ditto.
8270         * objc/objc-act.c (objc_gimplify_expr):  New.
8271         (objc_get_callee_fndecl):  New.
8272         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
8273         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
8274         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
8275
8276 2005-04-13  Devang Patel  <dpatel@apple.com>
8277
8278         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
8279         temp variables.
8280
8281 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
8282
8283         CRIS prologue as RTL.
8284         * config/cris/cris-protos.h (cris_emit_movem_store)
8285         (cris_expand_prologue): Prototype.
8286         * config/cris/cris.c (struct machine_function): New member
8287         stdarg_regs.
8288         (cfa_label_num, cris_target_asm_function_prologue): Remove.
8289         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
8290         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
8291         (cris_load_multiple_op, cris_return_address_on_stack)
8292         (cris_return_address_on_stack_for_return): ISO-Cify.
8293         (cris_store_multiple_op): New predicate function.
8294         (cris_expand_prologue, cris_emit_movem_store): New functions.
8295         (cris_print_operand) <case 'O'>: Handle modifications other than
8296         post-increment.
8297         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
8298         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
8299         (cris_gen_movem_load): Rearrange slightly to make local variable
8300         src a parameter, removing osrc.
8301         (cris_setup_incoming_varargs): Set machine_function member
8302         stdarg_regs to correspond to the number of registers that need to
8303         be saved.
8304         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
8305         CRIS_UNSPEC_GOT.
8306         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
8307         cris_general_operand_or_gotless_symbol accept UNSPEC.
8308         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
8309         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
8310         ("*cris_store_multiple"): New pattern.  Tweak common comment above
8311         this and "*cris_load_multiple".
8312         ("prologue"): New define_expand.
8313
8314         * config/cris/cris.md ("epilogue"): Conditionalize on
8315         TARGET_PROLOGUE_EPILOGUE.
8316
8317 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
8318
8319         PR target/20924
8320         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
8321         fpsr 0 instead of fpsr 1.
8322         (divsf3_internal_thr): Ditto.
8323         (divdf3_internal_lat): Ditto.
8324         (divdf3_internal_thr): Ditto.
8325         (divxf3_internal_lat): Ditto.
8326         (divxf3_internal_thr): Ditto.
8327
8328 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
8329
8330         PR tree-optimization/20913
8331         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
8332
8333         PR tree-optimization/20702
8334         * tree-vrp.c (maybe_add_assert_expr): Recurse into
8335         dominator children that haven't been walked into.
8336
8337 2005-04-13  Julian Brown  <julian@codesourcery.com>
8338
8339         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
8340         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
8341         is true.
8342
8343 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
8344
8345         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
8346         config/i386/sse.md: Fix comment typos.
8347
8348         * genattrtab.c (NULL_ATTR): Remove.
8349         * ifcvt.c (NULL_EDGE): Likewise.
8350
8351         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
8352
8353         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
8354         NOTE_PREDICT): Remove.
8355
8356 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8357
8358         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
8359         * configure: Regenerate.
8360         * config.in: Likewise.
8361         * system.h: Declare vsnprintf if not already declared.
8362
8363 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8364
8365         * optc-gen.awk: Handle stand-alone Mask records.
8366         * opth-gen.awk: Likewise.
8367         * doc/options.texi (Option file format): Document them.
8368         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
8369         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
8370         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
8371         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
8372         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
8373         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
8374         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
8375         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
8376         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
8377         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
8378         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
8379         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
8380         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
8381         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
8382         TARGET_LONG_DOUBLE_128): Likewise.
8383         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
8384         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
8385         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
8386         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
8387         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
8388         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
8389         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
8390         * config/sparc/sparc.c (fpu_option_set): New global.
8391         (sparc_handle_option): New function.
8392         (sparc_override_options): Test fpu_option_set.
8393         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
8394         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
8395         * config/sparc/sparc.opt: New file.
8396         * config/sparc/little-endian.opt: Likewise.
8397         * config/sparc/long-double-switch.opt: Likewise.
8398
8399 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
8400
8401         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
8402         (bfin_handle_options): Set it if -mshared-library-id= is seen.
8403         * config/bfin/bfin.opt (mshared-library-id=): Lose
8404         Var(bfin_lib_id_given).
8405
8406 2005-04-13  Matt Thomas  <matt@3am-software.com>
8407
8408         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
8409         defining.
8410
8411 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
8412
8413         * rtl.h (CLEAR_RTX_FLAGS): Remove.
8414
8415         * cgraphunit.c (INSNS_PER_CALL): Remove.
8416
8417         * tree-ssa-forwprop.c (vars,
8418         record_single_argument_cond_exprs,
8419         substitute_single_use_vars): Remove.
8420         (forward_propagate_into_cond_1, forward_propagate_into_cond):
8421         New.
8422         (tree_ssa_forward_propagate_single_use_vars): Call
8423         forward_propagate_into_cond for each COND_EXPR.
8424
8425         * tree-inline.c (INSNS_PER_STMT): Remove.
8426
8427 2005-04-12  Richard Henderson  <rth@redhat.com>
8428
8429         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
8430         (ix86_expand_sse_fp_minmax): ... from ...
8431         (ix86_expand_fp_movcc): ... here.
8432         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
8433         * config/i386/i386-protos.h: Update.
8434         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
8435         (sse_setccsf, sse_setccdf): Allow before reload.
8436         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
8437         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
8438         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
8439         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
8440         (anddf3, nanddf3, iordf3, xordf3): New.
8441
8442 2005-04-12  Jeff Law  <law@redhat.com>
8443
8444         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
8445         (tree-ssa-uncprop.o): Add dependencies.
8446         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
8447         * tree-flow.h (remove_useless_stmts): Remove prototype.
8448         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
8449         remove_useless_stmts.
8450         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
8451         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
8452         * tree-pass.h (pass_uncprop): Declare.
8453         * tree-ssa-uncprop.c: New file.
8454
8455 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
8456
8457         PR target/20670
8458         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
8459
8460 2005-04-12  Caroline Tice  <ctice@apple.com>
8461
8462         Temporary fix for partitioning problems.
8463         * passes.c (rest_of_handle_final): Remove code that
8464         frees unlikely_text_section_name,
8465         * varasm.c (assemble_start_function): Test for partitioning
8466         flag before writing out section labels.
8467         (assemble_end_function): Test for partitioning flag before
8468         writing out section labels.
8469
8470 2005-04-12  Steven Bosscher  <stevenb@suse.de>
8471             Stuart Hastings <stuart@apple.com>
8472             Jan Hubicka  <jh@suse.cz>
8473
8474         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
8475         references to gt-tree-cfg.h.
8476         * basic-block.h (struct basic_block_def): Don't skip rbi
8477         for garbage collection.
8478         (struct reorder_block_def): Make GTY-able.
8479         (struct control_flow_graph): New structure.
8480         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
8481         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
8482         but instead defines to the control_flow_graph for cfun.
8483         (label_to_block_map): New define, points to the label map of
8484         the control_flow_graph for cfun.
8485         (n_edges_for_function, n_basic_blocks_for_function,
8486         last_basic_block_for_function, basic_block_info_for_function,
8487         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
8488         basic_block_info_for_function, label_to_block_map_for_function):
8489         Counterparts for the above, taking a struct function as an extra
8490         argument.
8491         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
8492         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
8493         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
8494         (alloc_rbi_pool, free_rbi_pool): Remove.
8495         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
8496         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
8497         here...
8498         (cfg_layout_finalize) ... and don't free it here.
8499         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
8500         garbage collected.
8501         * flow.c (free_basic_block_vars): Set label_to_block_map and
8502         n_edges to zero too.
8503         * function.h (struct function): Add cfg field.
8504         * function.c (allocate_struct_function): Allocate the cfg.
8505         * tree-cfg.c (label_to_block_map): Remove.
8506         (build_tree_cfg): Don't allocate the rbi pool here...
8507         (delete_tree_cfg_annotations): ...and don't free it here.
8508         Also don't nullify label_to_block_map for cfun.
8509
8510 2005-04-12  Caroline Tice  <ctice@apple.com>
8511
8512         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
8513         Revert my patch from April 9.
8514         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
8515         (reorder_basic_blocks): Revert my patch from April 9.
8516         (insert_section_boundary_note): Revert my patch from April 9.
8517         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
8518         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
8519         (COLD_END_LABEL):  Revert my patch from April 9.
8520         (cold_text_section_label):  Revert my patch from April 9.
8521         (cold_end_label): Revert my patch from April 9.
8522         (dwarf2out_switch_text_section): Revert my patch from April 9.
8523         (output_aranges): Revert my patch from April 9.
8524         (output_ranges):  Revert my patch from April 9.
8525         (output_line_info): Revert my patch from April 9.
8526         (add_location_or_const_value_attribute):  Revert my patch from April 9.
8527         (dwarf2out_var_location): Revert my patch from April 9.
8528         (dwarf2out_init):  Revert my patch from April 9.
8529         (dwarf2out_finish): Revert my patch from April 9.
8530         * function.h (struct function): Revert my patch from April 9.
8531         * opts.c (decode_options): Revert my patch from April 9.
8532         * output.h (unlikely_section_label, hot_section_label,
8533         hot_section_end_label, cold_section_end_label,
8534         unlikely_text_section_name): Revert my patch from April 9.
8535         * passes.c (rest_of_handle_final): Revert my patch from April 9.
8536         * varasm.c (unlikely_section_label, hot_section_label,
8537         hot_section_end_label, cold_section_end_label,
8538         unlikely_text_section_name): Revert my patch from April 9.
8539         (initialize_cold_section_name): Revert my patch from April 9.
8540         (unlikely_text_section): Revert my patch from April 9.
8541         (in_unlikely_text_section): Revert my patch from April 9.
8542         (named_section): Revert my patch from April 9.
8543         (function_section): Revert my patch from April 9.
8544         (current_function_section): Revert my patch from April 9.
8545         (assemble_start_function): Revert my patch from April 9.
8546         (assemble_end_function): Revert my patch from April 9.
8547         (default_section_type_flags_1): Revert my patch from April 9.
8548
8549 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8550
8551         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
8552         * config/sparc/sparc.md (untyped_call): Save the registers manually.
8553
8554         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
8555
8556 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
8557
8558         PR middle-end/20917
8559         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
8560         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
8561
8562 2004-04-12  Richard Henderson  <rth@redhat.com>
8563
8564         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
8565         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
8566         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
8567         (UNSPEC_*, UNSPECV_*): Renumber.
8568
8569 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
8570
8571         PR mudflap/19266
8572         From Richard Henderson <rth@redhat.com>:
8573         * tree-mudflap.c (mf_build_check_statement_for): Correct block
8574         splitting logic.
8575
8576 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
8577
8578         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
8579
8580 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
8581
8582         * config/bfin/bfin.c (bfin_library_id_string): Remove.
8583         (bfin_library_id): New variable.
8584         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
8585         instead of bfin_library_id_string.
8586         (bfin_handle_option): New function.
8587         (override_options): Remove most code to deal with shared library IDs,
8588         just check they aren't used without -mid-shared-library.
8589         (TARGET_HANDLE_OPTION): Define.
8590         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
8591         * config/bfin/bfin.opt (mshared-library-id=): New.
8592
8593 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
8594
8595         * tree-vect-transform.c: Fix comment typos.
8596
8597 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
8598
8599         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
8600         split critical edges when not possible/profitable.
8601
8602 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
8603
8604         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
8605         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
8606         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
8607         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
8608         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
8609         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
8610         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
8611         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
8612         MASK_NO_BITFIELD.
8613         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
8614         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8615         * config/ns32k/ns32k.opt: New file.
8616
8617 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
8618
8619         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
8620         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
8621         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
8622         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
8623         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
8624         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
8625         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
8626         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
8627         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
8628         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
8629         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
8630         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
8631         (MASK_COLDFIRE): Formatting fixes.
8632         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
8633         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
8634         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
8635         "_current_shared_library_a5_offset_".
8636         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8637         (MASK_ALL_CPU_BITS): New macro.
8638         (m68k_handle_option): New function.
8639         (override_options): Remove handling of m68k_library_id_string.
8640         * config/m68k/m68k.opt: New file.
8641         * config/m68k/ieee.opt: New file.
8642
8643 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
8644
8645         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
8646         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
8647         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
8648         (TARGET_CXX): Adjust accordingly.
8649         * target.h (struct gcc_target): Remove epxort_class_data.  Add
8650         determine_class_data_visibility and class_data_always_comdat.
8651         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
8652         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
8653         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
8654         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
8655         (arm_cxx_determine_class_data_visibility): New.
8656         (arm_cxx_class_data_always_comdat): Likewise.
8657         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
8658         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
8659         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
8660         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
8661         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
8662         Define.
8663
8664 2005-04-11  Devang Patel  <dpatel@apple.com>
8665
8666         * tree-data-ref.c (build_classic_dist_vector,
8667         compute_subscript_distance): Make externally visible.
8668         * tree-data-ref.h (build_classic_dist_vector,
8669         compute_subscript_distance): Same.
8670         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
8671         Check distance vector against vectorization factor.
8672         (vect_analyze_loop): Determine vectorizaion factor before
8673         analyzing data dependences.
8674         * tree-vectorizer.c (loops_num): Make it externally visible and
8675         rename ...
8676         * tree-vectorizer.c (vect_loops_num): ... new name.
8677         * tree-vectorizer.h  (vect_loops_num): New.
8678
8679 2005-04-11  Devang Patel  <dpatel@apple.com>
8680
8681         * tree-vect-analyze.c (vect_analyze_operations): Check
8682         vectorizable codition.
8683         * tree-vect-transform.c (vect_is_simple_cond): New function.
8684         (vectorizable_condition): New function.
8685         (vect_transform_stmt): Handle condition_vec_info_type.
8686         * tree-vectorizer.h (enum stmt_vec_info_type): Add
8687         condition_vec_info_type.
8688         (vectorizable_condition): New.
8689
8690 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
8691
8692         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
8693         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
8694         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
8695
8696         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
8697         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
8698
8699         * dwarf2out.c (output_line_info): Don't try to dereference
8700         a NULL current_function_decl.
8701
8702         * config/t-slibgcc-darwin: Don't put shared libraries in
8703         directories other than $(slibdir).
8704         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
8705         OS uses for it.
8706
8707 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
8708
8709         PR tree-optimization/20933
8710         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
8711         logic to reject aliases between read-only and writable
8712         variables ...
8713         (may_alias_p): ... here.
8714         (get_tmt_for): Do not associate read-only tags to pointers
8715         whose pointed-to type is not read-only.
8716         * tree-ssa.c (verify_ssa): Check that memory stores have at
8717         least one V_MAY_DEF or V_MUST_DEF.
8718
8719 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8720
8721         PR/17092
8722         * configure.ac (gcc_UNLOCKED_FUNCS): New.
8723         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
8724         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
8725         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
8726         _unlocked function.
8727         (fwrite_unlocked): Fix prototype.
8728
8729         * configure, config.in: Regenerate.
8730
8731 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
8732
8733         * tree-ssa-loop-im.c: Include real.h.
8734         (determine_invariantness_stmt): If real division divisor is
8735         invariant and flag_unsafe_math_optimizations enabled, generate
8736         invariant reciprocal for hoisting.
8737         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
8738
8739 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
8740
8741         Fix PR tree-optimization/20926
8742
8743         * tree-ssa-alias.c (add_type_alias): Handle subvars.
8744
8745 2005-04-11  Devang Patel  <dpatel@apple.com>
8746
8747         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
8748         operand ordering.
8749
8750 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
8751
8752         * fold-const.c (fold_binary_op_with_conditional_arg):
8753         use fold_buildN instead of "fold (buildN" in some
8754         non obvious places.
8755         (fold_unary): Likewise.
8756         (fold_binary): Likewise.
8757
8758 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
8759
8760         Fix PR tree-optimization/20612
8761         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
8762         handling
8763         (perfect_nestify): preheaderbb is *not* part of loop of the
8764         old destination.
8765
8766 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
8767
8768         * tree-ssa-alias.c (may_alias_p): If the variable
8769         is a global variable and the pointer is parameter
8770         and -fargument-noalias-global is used, then
8771         the pointer cannot alias the variable.
8772
8773 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
8774
8775         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
8776         * config/sparc/sparc.h: Likewise.
8777         * config/sparc/sparc.md: Likewise.
8778
8779 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
8780
8781         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
8782
8783         * tree-vrp.c: Fix a comment typo.
8784
8785 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
8786
8787         PR tree-optimization/20920
8788         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
8789         SSA_NAME flows through an abnormal edge.
8790         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
8791         through abnormal edges.
8792         (maybe_add_assert_expr): Likewise.
8793
8794 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
8795
8796         * config/s390/s390.h (s390_tune_string, s390_arch_string)
8797         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
8798         (s390_stack_size_string, s390_stack_guard_string, target_flags)
8799         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
8800         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
8801         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
8802         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
8803         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
8804         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
8805         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
8806         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
8807         (TARGET_HANDLE_OPTION): Likewise.
8808         (s390_tune): Initialize to PROCESSOR_max.
8809         (s390_arch_string): Make static.
8810         (s390_tune_string, s390_warn_framesize_string): Delete.
8811         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
8812         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
8813         (s390_handle_arch_option, s390_handle_option): New functions.
8814         (override_options): Remove parsing of option strings.
8815         * config/s390/s390.opt: New file.
8816
8817 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
8818
8819         * tree-complex.c (expand_vector_operations): Call
8820         update_stmt_if_modified.
8821
8822 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
8823
8824         * tree-vect-analyze (vect_determine_vectorization_factor):
8825         Do not use GET_MODE_NUNITS.
8826         * tree-vect-transform.c (vect_get_vec_def_for_operand,
8827         (vectorizable_load, vect_transform_loop): Likewise.
8828
8829 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
8830
8831         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
8832         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
8833         * optabs.h (enum optab_index): Add new OTI_lceil.
8834         (lceil_optab): Define corresponding macro.
8835         * optabs.c (init_optabs): Initialize lceil_optab.
8836         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
8837         and lceildi2 patterns.
8838         * builtins.c (expand_builtin_int_roundingfn): Handle
8839         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
8840         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
8841         BUILT_IN_LLCEIL{,F,L}.
8842         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
8843         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
8844         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
8845         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
8846         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
8847         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
8848         into lceil built-in function and (long long int)ceil{,f,l} into
8849         llceil built-in function.
8850         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
8851         BUILT_IN_LLCEIL.
8852
8853 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8854
8855         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
8856         zero.
8857
8858 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
8859
8860         * config/arm/arm.c: Fix a comment typo.
8861         * doc/tree-ssa.texi: Fix a typo.
8862
8863 2005-04-10  Steven Bosscher  <stevenb@suse.de>
8864
8865         * cselib.c (clear_table): Rename to cselib_clear_table.
8866         * cselib.h (cselib_clear_table): Add prototype.
8867         * gcse.c (gcse_main): Make 'f' argument unused.
8868         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
8869         of each basic block instead.
8870         (compute_sets, compute_hash_table_work): Likewise.
8871         (constprop_register): Change int 'alter_jumps' argument to bool.
8872         (do_local_cprop): Likewise.
8873         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
8874         the insn chain.  Explicitly clear the cselib tables after finishing
8875         one basic block.  Make sure there are no unterminated libcall blocks.
8876         Update compute_sets call.
8877         (cprop): Walk basic blocks instead of the insn chain.
8878         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
8879         Likewise.
8880         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
8881         one_cprop_pass calls.
8882
8883 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
8884
8885         * combine.c (combine_simplify_rtx): Remove a transformation that
8886         relies on an invalid assumption about rtl sign-extension semantics.
8887
8888 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
8889
8890         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
8891         to build_int_cst_wide.
8892
8893 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
8894
8895         PR target/20126
8896         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
8897         set the original address pseudo to the correct value before the
8898         original insn, if possible, and leave the insn alone, otherwise
8899         create a new pseudo, set it and replace it in the insn.
8900         * recog.c (validate_change_maybe_volatile): New.
8901         * recog.h (validate_change_maybe_volatile): Declare.
8902
8903 2005-04-09  Caroline Tice  <ctice@apple.com>
8904
8905         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
8906         Remove targetm.have_named_sections test.
8907         (fix_edges_for_rarely_executed_code): Likewise.
8908         (insert_section_boundary_note): Likewise.
8909         (reorder_basic_blocks): Check partitioning flag before calling
8910         verify_hot_cold_block_grouping.
8911         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
8912         the function struct rather than global variables.
8913         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
8914         (COLD_END_LABEL): Likewise
8915         (cold_text_section_label): New static global variable.
8916         (cold_end_label): Likewise.
8917         (dwarf2out_switch_text_section): Get hot/cold section labels from
8918         the function struct rather than global variables.
8919         (output_aranges): Use cold_text_section_label and cold_end_label;
8920         check partitioning flag before putting out delta.
8921         (output_ranges): Remove incorrect code attempting to use
8922         hot/cold labels.
8923         (output_line_info): Get cold section label from function struct.
8924         (add_location_or_const_value_attribute): Likewise.
8925         (get_subprogram_die): Get hot/cold section labels from function struct.
8926         (dwarf2out_var_location): Likewise.
8927         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
8928         write out cold_text_section_label if partition flag is set.
8929         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
8930         * function.h (struct function): Add new fields to point to hot/cold
8931         section labels: hot_section_label, cold_section_label,
8932         hot_section_end_label and cold_section_end_label; also add new field
8933         for cold text section name, unlikely_text_section_name.
8934         * opts.c (decode_options): Turn off partitioning flag if
8935         !targetm.have_named_sections.
8936         * output.h (hot_section_label): Remove.
8937         (hot_section_end_label): Remove.
8938         (cold_section_end_label): Remove.
8939         (unlikely_section_label): Remove.
8940         (unlikely_text_section_name): Remove.
8941         * passes.c (rest_of_handle_final):  Remove code that frees
8942         unlikely_text_section_name.
8943         * varasm.c (unlikely_section_label): Remove.
8944         (hot_section_label): Remove.
8945         (hot_section_end_label): Remove.
8946         (cold_section_end_label): Remove.
8947         (unlikely_text_section_name):  Remove.
8948         (initialize_cold_section_name): Modify to call
8949         targetm.strip_name_encoding; to store cold section name in current
8950         function struct, if it exists; and to only use the decl_section_name
8951         if flag_named_sections is true.
8952         (unlikely_text_section): Modify to get section name out of current
8953         function struct, if there is one; otherwise build it from
8954         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
8955         (in_unlikely_text_section): Likewise.
8956         (named_section): Modify to get/put cold section name in current function
8957         struct, if there is one.
8958         (function_section):  Change 'bool unlikely' to 'int reloc'; check
8959         targetm.have_named_sections before calling named_section.
8960         (current_function_section): Likewise.
8961         (assemble_start_function): Modify to get/put unlikely_text_section_name
8962         in current function struct; modify to get hot/cold section labels
8963         from function struct; initialize labels using
8964         ASM_GENERATE_INTERNAL_LABEL;
8965         test partitioning flag before writing out hot section label.
8966         (assemble_end_function): Test partitioning flag before writing out
8967         hot/cold section labels.
8968         (default_section_type_flags_1):  Modify to use array instead of
8969          char* for unlikely_text_section_name; set flags correctly for
8970          cold text section if there is not a current function decl.
8971
8972 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
8973
8974         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
8975         and TI_VA_LIST_FPR_COUNTER_FIELD.
8976         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
8977         * tree-pass.h (pass_stdarg): Add.
8978         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
8979         * tree-stdarg.c: New file.
8980         * tree-stdarg.h: New file.
8981         * Makefile.in (OBJS-common): Add tree-stdarg.o.
8982         (tree-stdarg.o): Add dependencies.
8983         * function.h (struct function): Add va_list_gpr_size and
8984         va_list_fpr_size fields.
8985         * function.c (allocate_struct_function): Initialize them.
8986         * target.h (struct gcc_target): Add stdarg_optimize_hook.
8987         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
8988         (TARGET_INITIALIZER): Add it.
8989
8990         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
8991         va_list_{g,f}pr_counter_field.
8992         (ix86_setup_incoming_varargs): Don't do anything if reg_save
8993         area will not be used.  Only save registers that tree-stdarg.c
8994         detected they need saving.
8995         (ix86_va_start): Don't set up fields that won't be used.
8996
8997         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
8998         va_list_{g,f}pr_counter_field.
8999         (setup_incoming_varargs): Don't do anything if reg_save
9000         area will not be used.  Only save registers that tree-stdarg.c
9001         detected they need saving.
9002         (rs6000_va_start): Don't set up fields that won't be used.
9003
9004         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
9005         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
9006         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
9007         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
9008
9009 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
9010
9011         PR target/20795
9012         * config/i386/i386.c (construct_container): Pass empty aligned
9013         struct, union or class in memory.
9014
9015 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
9016
9017         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
9018         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
9019         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
9020         config/rs6000/predicates.md: Fix comment typos.
9021
9022         * sched-int.h (haifa_insn_data): Remove blockage and units.
9023         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
9024         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
9025         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
9026
9027 2005-04-09  Jan Hubicka  <jh@suse.cz>
9028             Steven Bosscher  <stevenb@suse.de>
9029
9030         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
9031         * cfgloop.c (get_loop_exit_edges): Likewise.
9032         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
9033         (unloop): Likewise.
9034         * loop-unroll.c (analyze_insns_in_loop): Likewise.
9035         * tree-cfg.c (dump_cfg_status): Likewise.
9036
9037 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
9038
9039         * config/rs6000/predicates.md (altivec_register_operand): Remove
9040         redundant match_code test.
9041         (gpc_reg_operand): Same.
9042         (cc_reg_operand): Same.
9043         (cc_reg_not_cr0_operand): Same.
9044
9045 2005-04-09  Jan Hubicka  <jh@suse.cz>
9046
9047         Forgotten hunk from my last merge patch:
9048         * final.c (output_addr_const): Do not call mark_referenced.
9049
9050 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
9051
9052         * doc/tree-ssa.texi: Add immediate use documentation.
9053
9054 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
9055
9056         * arm.c (FL_WBUF): Define.
9057         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
9058         (arm_is_6_or_7): Delete.
9059         (arm_tune_wbuf): New.
9060         (arm_override_options): Set arm_tune_wbuf.
9061         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
9062         (arm_is_6_or_7): Delete declaration.
9063         (arm_tune_wbuf): New declartion.
9064         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
9065         (model_wbuf): Derive from arm_tune_wbuf.
9066         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
9067         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
9068         (arm740t): Mark CPUs as having a write buffer.
9069
9070 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
9071
9072         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
9073         of 'const_double_operand' in operand 2 constraints.  Update enable
9074         condition.
9075
9076 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
9077
9078         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
9079         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
9080         * optabs.h (enum optab_index): Add new OTI_lfloor.
9081         (lfloor_optab): Define corresponding macro.
9082         * optabs.c (init_optabs): Initialize lfloor_optab.
9083         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
9084         and lfloordi2 patterns.
9085         * builtins.c (expand_builtin_int_roundingfn): New prototype.
9086         (expand_builtin_int_roundingfn): New function.
9087         (fold_builtin_int_roundingfn): New prototype.
9088         (fold_builtin_int_roundingfn): New function, renamed from
9089         fold_builtin_lround.
9090         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
9091         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
9092         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
9093         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
9094         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
9095         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
9096         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
9097         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
9098         into lfloor built-in function and (long long int)floor{,f,l} into
9099         llfloor built-in function.
9100         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
9101         BUILT_IN_LLFLOOR.
9102
9103 2005-04-08  Ian Lance Taylor  <ian@airs.com>
9104
9105         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
9106         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
9107         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
9108         (DO_COND, DO_BODY): Likewise.
9109         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
9110         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
9111         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
9112         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
9113         (build_continue_stmt, build_break_stmt): Don't declare.
9114         (c_do_switch_warnings): Update declaration.
9115         * c-gimplify.c (enum bc_t): Remove.
9116         (struct c_gimplify_ctx, ctxp): Remove.
9117         (push_context, pop_context): Remove static functions.
9118         (c_genericize): Don't call push_context or pop_context.
9119         (begin_bc_block, finish_bc_block): Remove static functions.
9120         (build_bc_goto): Likewise.
9121         (gimplify_c_loop): Likewise.
9122         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
9123         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
9124         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
9125         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
9126         * c-common.c (c_do_switch_warnings): Rename from
9127         c_do_switch_warnings_1.
9128         (c_do_switch_warnings) [old version]: Remove.
9129         (c_do_switch_expr_warnings): Remove.
9130         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
9131         function instead of c_do_switch_expr_warnings.
9132         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
9133         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
9134         * c-pretty-print.c (pp_c_statement): Likewise.
9135         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
9136
9137 2005-04-08  Devang Patel  <dpatel@apple.com>
9138
9139         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
9140         While selecting replacement condition pay attention to loop header.
9141
9142 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
9143
9144         Merge from tree-cleanup-branch: VRP, store CCP, store
9145             copy-prop, incremental SSA updating of FUD chains and
9146             newly exposed symbols.
9147
9148         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
9149         (OBJS-common): Add tree-vrp.o.
9150         (tree-vrp.o): New rule.
9151         * basic-block.h (nearest_common_dominator_for_set): Declare.
9152         * common.opt (ftree-store-ccp): New flag.
9153         (ftree-copy-prop): New flag.
9154         (ftree-vrp): New flag.
9155         (ftree-store-copy-prop): New flag.
9156         * dominance.c (nearest_common_dominator_for_set): New.
9157         * domwalk.c (walk_dominator_tree): Only traverse
9158         statements in blocks marked in walk_data->interesting_blocks.
9159         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
9160         * fold-const.c (fold): Handle ASSERT_EXPR.
9161         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
9162         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
9163         flag_tree_vrp at -O2.
9164         * timevar.def (TV_TREE_VRP): Define.
9165         (TV_TREE_COPY_PROP): Define.
9166         (TV_TREE_STORE_COPY_PROP): Define.
9167         (TV_TREE_SSA_INCREMENTAL): Define.
9168         (TV_TREE_STORE_CCP): Define.
9169         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
9170         to kill_redundant_phi_nodes from comment.
9171         (verify_expr): Handle ASSERT_EXPR.
9172         * tree-dfa.c (mark_new_vars_to_rename): Remove second
9173         argument.  Update all users.
9174         (mark_call_clobbered_vars_to_rename): Remove.  Update all
9175         users.
9176         * tree-flow-inline.h (unmodifiable_var_p): New.
9177         * tree-flow.h (enum value_range_type): Declare.
9178         (struct value_range_def): Declare.
9179         (value_range): Declare.
9180         (remove_all_phi_nodes_for): Remove.  Update all users.
9181         (find_phi_node_for): Declare.
9182         (add_type_alias): Declare.
9183         (count_uses_and_derefs): Declare.
9184         (kill_redundant_phi_nodes): Remove.
9185         (rewrite_into_ssa): Remove.
9186         (rewrite_def_def_chains): Remove.
9187         (update_ssa, register_new_name_mapping, create_new_def_for,
9188         need_ssa_update_p, name_registered_for_update_p,
9189         release_ssa_name_after_update_ssa, dump_repl_tbl,
9190         debug_repl_tbl, dump_names_replaced_by,
9191         debug_names_replaced_by, mark_sym_for_renaming,
9192         mark_set_for_renaming, get_current_def, set_current_def,
9193         get_value_range, dump_value_range, debug_value_range,
9194         dump_all_value_ranges, debug_all_value_ranges,
9195         expr_computes_nonzero, loop_depth_of_name,
9196         unmodifiable_var_p): Declare.
9197         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
9198         ASSERT_EXPR.
9199         * tree-into-ssa.c (block_defs_stack): Update comment.
9200         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
9201         syms_to_rename, names_to_release, repl_tbl,
9202         need_to_initialize_update_ssa_p, need_to_update_vops_p,
9203         need_to_replace_names_p): New locals.
9204         (NAME_SETS_GROWTH_FACTOR): Define.
9205         (struct repl_map_d): Declare.
9206         (struct mark_def_sites_global_data): Add field
9207         interesting_blocks.
9208         (enum rewrite_mode): Declare.
9209         (REGISTER_DEFS_IN_THIS_STMT): Define.
9210         (compute_global_livein): Use last_basic_block instead of
9211         n_basic_blocks.
9212         (set_def_block): Remove last argument.  Update all callers.
9213         (prepare_use_operand_for_rename): Remove.  Update all callers.
9214         (prepare_def_operand_for_rename): Remove.  Update all callers.
9215         (symbol_marked_for_renaming): New.
9216         (is_old_name): New.
9217         (is_new_name): New.
9218         (repl_map_hash): New.
9219         (repl_map_eq): New.
9220         (repl_map_free): New.
9221         (names_replaced_by): New.
9222         (add_to_repl_tbl): New.
9223         (add_new_name_mapping): New.
9224         (mark_def_sites): Assume that all the operands in the
9225         statement are in normal form.
9226         (find_idf): Assert that the block in the stack is valid.
9227         (get_default_def_for): New.
9228         (insert_phi_nodes_for): Add new argument 'update_p'.
9229         Add documentation.
9230         If update_p is true, add a new mapping between the LHS of
9231         each new PHI and the name that it replaces.
9232         (insert_phi_nodes_1): Only call find_idf if needed.
9233         (get_reaching_def): Call get_default_def_for.
9234         (rewrite_operand): Remove.
9235         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
9236         and REWRITE_THIS_STMT are false.
9237         Assume that all the operands in the statement are in
9238         normal form.
9239         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
9240         (rewrite_virtual_phi_arguments): Remove.
9241         (invalidate_name_tags): Remove.
9242         (register_new_update_single, register_new_update_set,
9243         rewrite_update_init_block, replace_use,
9244         rewrite_update_fini_block, rewrite_update_stmt,
9245         rewrite_update_phi_arguments): New.
9246         rewrite_blocks): Remove argument 'fix_virtual_phis'.
9247         Add arguments 'entry', 'what' and 'blocks'.
9248         Initialize the dominator walker according to 'what' and
9249         'blocks'.
9250         Start the dominator walk at 'entry'.
9251         (mark_def_site_blocks): Add argument 'interesting_blocks'.
9252         Use it to configure the dominator walker.
9253         (rewrite_into_ssa): Remove argument 'all'.
9254         Make internal.
9255         (rewrite_all_into_ssa): Remove.
9256         (rewrite_def_def_chains): Remove.
9257         (mark_def_interesting, mark_use_interesting,
9258         prepare_phi_args_for_update, prepare_block_for_update,
9259         prepare_def_site_for, prepare_def_sites,
9260         dump_names_replaced_by, debug_names_replaced_by,
9261         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
9262         delete_update_ssa, create_new_def_for,
9263         register_new_name_mapping, mark_sym_for_renaming,
9264         mark_set_for_renaming, need_ssa_update_p,
9265         name_registered_for_update_p, ssa_names_to_replace,
9266         release_ssa_name_after_update_ssa,
9267         insert_updated_phi_nodes_for, update_ssa): New.
9268         * tree-loop-linear.c (linear_transform_loops): Call
9269         update_ssa instead of rewrite_into_ssa.
9270         * tree-optimize.c (vars_to_rename): Remove.
9271         Update all users.
9272         (init_tree_optimization_passes): Replace
9273         pass_redundant_phi with pass_copy_prop.
9274         Add pass_vrp.
9275         Replace pass_ccp with pass_store_ccp.
9276         Add pass_store_copy_prop after pass_store_ccp.
9277         (execute_todo): If the TODO_ flags don't include updating
9278         the SSA form, assert that it does not need to be updated.
9279         Call update_ssa instead of rewrite_into_ssa and
9280         rewrite_def_def_chains.
9281         If TODO_verify_loops is set, call verify_loop_closed_ssa.
9282         (tree_rest_of_compilation):
9283         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
9284         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
9285         TODO_cleanup_cfg): Renumber.
9286         (TODO_verify_loops, TODO_update_ssa,
9287         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
9288         TODO_update_ssa_only_virtuals): Define.
9289         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
9290         Declare.
9291         * tree-phinodes.c (make_phi_node): Update documentation.
9292         (remove_all_phi_nodes_for): Remove.
9293         (find_phi_node_for): New.
9294         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
9295         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
9296         (interpret_rhs_modify_expr): Likewise.
9297         * tree-sra.c (decide_instantiations): Mark all symbols in
9298         SRA_CANDIDATES for renaming.
9299         (mark_all_v_defs_1): Rename from mark_all_v_defs.
9300         (mark_all_v_defs): New function.  Update all users to call it
9301         with the whole list of scalarized statements, not just the
9302         first one.
9303         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
9304         (compute_flow_insensitive_aliasing): If the tag is
9305         unmodifiable and the variable isn't or vice-versa, don't
9306         make them alias of each other.
9307         (setup_pointers_and_addressables): If the type tag for
9308         VAR is about to change, mark the old one for renaming.
9309         (add_type_alias): New.
9310         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
9311         (ccp_lattice_t): Rename from latticevalue.
9312         (value): Remove.  Update all users.
9313         (const_val): New local variable.
9314         (do_store_ccp): New local variable.
9315         (dump_lattice_value): Handle UNINITIALIZED.
9316         (debug_lattice_value): New.
9317         (get_default_value): Re-write.
9318         (set_lattice_value): Re-write.
9319         (def_to_varying): Remove.  Update all users.
9320         (likely_value): Return VARYING for statements that make
9321         stores when STORE_CCP is false.
9322         Return VARYING for any statement other than MODIFY_EXPR,
9323         COND_EXPR and SWITCH_EXPR.
9324         (ccp_initialize): Re-write.
9325         (replace_uses_in, replace_vuse_in, substitute_and_fold):
9326         Move to tree-ssa-propagate.c.
9327         (ccp_lattice_meet): Handle memory stores when
9328         DO_STORE_CCP is true.
9329         (ccp_visit_phi_node): Likewise.
9330         (ccp_fold): Likewise.
9331         (evaluate_stmt): Likewise.
9332         (visit_assignment): Likewise.
9333         (ccp_visit_stmt): Likewise.
9334         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
9335         into DO_STORE_CCP.
9336         (do_ssa_ccp): New.
9337         (pass_ccp): Use it.
9338         (do_ssa_store_ccp): New.
9339         (gate_store_ccp): New.
9340         (pass_store_ccp): Declare.
9341         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
9342         (may_propagate_copy): Reformat.
9343         Don't abort if ORIG is a virtual and DEST isn't.
9344         If NEW does not have alias information but DEST does,
9345         copy it.
9346         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
9347         copy_prop_kind, which_copy_prop): Declare.
9348         (stmt_may_generate_copy, get_copy_of_val,
9349         get_last_copy_of, set_copy_of_val, dump_copy_of,
9350         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
9351         copy_prop_visit_stmt, copy_prop_visit_phi_node,
9352         init_copy_prop, fini_copy_prop, execute_copy_prop,
9353         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
9354         store_copy_prop): New.
9355         (pass_copy_prop, pass_store_copy_prop): Declare.
9356         * tree-ssa-dom.c (struct opt_stats_d): Add fields
9357         'num_const_prop' and 'num_copy_prop'.
9358         (cprop_operand): Update them.
9359         (dump_dominator_optimization_stats): Dump them.
9360         (tree_ssa_dominator_optimize): Call update_ssa instead of
9361         rewrite_into_ssa.
9362         (loop_depth_of_name): Declare extern.
9363         (simplify_cond_and_lookup_avail_expr): Guard against NULL
9364         values for LOW or HIGH.
9365         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
9366         (record_equivalences_from_stmt): Call expr_computes_nonzero.
9367         (cprop_operand): Only propagate if VAL != OP.
9368         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
9369         statement for renaming.
9370         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
9371         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
9372         add_type_alias if necessary.
9373         Call mark_new_vars_to_rename.
9374         (tree_ssa_iv_optimize): If new symbols need to be renamed,
9375         mark every statement updated, call update_ssa and
9376         rewrite_into_loop_closed_ssa.
9377         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
9378         from LIVEIN if VAR is a virtual.
9379         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
9380         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
9381         (get_call_expr_operands): Reformat statement.
9382         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
9383         symbols.
9384         * tree-ssa-propagate.c (ssa_prop_init): Initialize
9385         SSA_NAME_VALUE for every name.
9386         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
9387         get_value_loaded_by): New.
9388         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
9389         substitute_and_fold): Move from tree-ssa-ccp.c.
9390         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
9391         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
9392         get_value_loaded_by, replace_uses_in, substitute_and_fold):
9393         Declare.
9394         * tree-ssa.c (verify_use): Fix error message.
9395         (propagate_into_addr, replace_immediate_uses, get_eq_name,
9396         check_phi_redundancy, kill_redundant_phi_nodes,
9397         pass_redundant_phi): Remove.  Update all users.
9398         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9399         add_type_alias, if necessary.
9400         * tree-vectorizer.h (struct _stmt_vect_info): Update
9401         documentation for field 'memtag'.
9402         * tree-vrp.c: New file.
9403         * tree.def (ASSERT_EXPR): Define.
9404         * tree.h (ASSERT_EXPR_VAR): Define.
9405         (ASSERT_EXPR_COND): Define.
9406         (SSA_NAME_VALUE_RANGE): Define.
9407         (struct tree_ssa_name): Add field 'value_range'.
9408         (PHI_REWRITTEN): Remove.
9409         (struct tree_phi_node): Remove field 'rewritten'.
9410         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
9411         -ftree-store-copy-prop): Document.
9412         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
9413         Document usage of update_ssa.
9414
9415 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
9416
9417         PR target/20814
9418         * config/rs6000/predicates.md (altivec_register_operand): Accept
9419         SUBREG.
9420         (and64_operand): Do not limit CONST_INT to mask64_operand.
9421         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
9422         (and_operand): Do not limit CONST_INT to mask_operand.
9423
9424 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
9425
9426         PR rtl-optimization/20466
9427         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
9428         for overlap of the address of each list member.
9429         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
9430
9431 2005-04-08  Mike Stump  <mrs@apple.com>
9432
9433         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
9434
9435         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
9436         instead of 4.
9437
9438 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
9439
9440         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
9441
9442         * function.c (push_function_context_to): Don't set
9443         contains_functions.
9444         * function.h (function): Remove contains_functions.
9445         (current_function_contains_functions): Remove.
9446
9447         * function.h (function): Remove instrument_entry_exit.
9448         (current_function_instrument_entry_exit): Remove.
9449
9450         * function.h (nonlocal_labels): Remove.
9451
9452         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
9453
9454         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
9455         (check_attr_value, write_attr_get, write_expr_attr_cache,
9456         find_attr, make_internal_attr): Don't reference negative_ok or
9457         unsigned_p.
9458         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
9459         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
9460         (ATTR_STATIC): Adjust the value.
9461
9462         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
9463
9464 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
9465
9466         * config/s390/tpf.h (ASM_SPEC): Define.
9467
9468 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
9469
9470         * tree-flow.h: Remove the prototype for
9471         redirect_immediate_uses.
9472         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
9473
9474 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
9475
9476         * arm.c (arm_const_double_by_parts): New function.
9477         * arm-protos.h (arm_const_double_by_parts): Add prototype.
9478         * arm.md (define_split for 64-bit constants): Add another one.
9479
9480 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
9481
9482         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
9483
9484 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9485
9486         * system.h: Revert last change.
9487
9488 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
9489
9490         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
9491         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
9492         (TARGET_SWITCHES): Delete.
9493         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
9494         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
9495         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
9496         * config/xtensa/xtensa.opt: New file.
9497
9498 2005-04-08  Ben Elliston  <bje@au.ibm.com>
9499
9500         * config/fp-bit.c: Include L_mul_tf in #endif comment.
9501         * config/fp-bit.h: Tidy comments.
9502
9503 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9504
9505         * system.h: Poison PARAMS.
9506
9507 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
9508
9509         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
9510         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
9511         (TARGET_SWITCHES): Delete.
9512         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
9513         * config/vax/vax.opt: New file.
9514
9515 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
9516
9517         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
9518
9519 2005-04-07  Ian Lance Taylor  <ian@airs.com>
9520
9521         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
9522         define.
9523         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
9524         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
9525         Likewise.
9526
9527 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
9528
9529         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
9530         all immediate uses in PHI nodes.
9531
9532 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
9533
9534         * arm.c (arm_const_double_inline_cost): Handle any constant by
9535         using gen_lowpart and gen_highpart_mode.
9536         (note_invalid_constants): All constants in an RTX with a constraint
9537         that permits memory are now pushed to the constant pool.
9538         (output_move_double): Delete code to handle reg to reg and
9539         constant to reg moves.
9540         (const_double_needs_minipool, output_mov_immediate): Delete.
9541         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
9542         CONST_INT and CONST_VECTOR.
9543         * arm.md (ANY64): New mode macro.
9544         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
9545         (movdf_soft_insn): Split reg-reg and const-reg moves.
9546         (split patterns for 64-bit constant and register moves): New.
9547         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
9548         (cirrus_movdf_hard_insn): Likewise.
9549         * fpa.md (movdf_fpa): Likewise.
9550         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
9551         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
9552         constraints.
9553         (movv2si_internal_2): Likewise.
9554         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
9555         (movdf_vfp): Likewise.
9556         * arm-protos.h (output_mov_immediate): Delete prototype.
9557
9558 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
9559
9560         PR target/20093
9561         * simplify-rtx.c (simplify_unary_operation_1): Check
9562         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
9563
9564 2005-04-06  James E Wilson  <wilson@specifixinc.com>
9565
9566         PR target/20717
9567         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
9568         ADDR_EXPR.
9569
9570 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
9571
9572         * coverage.h (GCOV_TYPE_NODE): Delete.
9573         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
9574         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
9575         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
9576         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
9577         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
9578
9579 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
9580
9581         PR other/20792
9582         * Makefile.in (gcc.pot): Remove options.c dependency.
9583         * optc-gen.awk: Don't quote help strings with N_().
9584
9585 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
9586
9587         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
9588         the function returns a pointer type.
9589
9590 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
9591
9592         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
9593         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
9594         * doc/invoke.texi: Documnet salias-max-implicit-fields.
9595         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
9596         explicit_uses members.
9597         (get_or_create_used_part_for): Initialize new fields.
9598         (fieldoff_compare): New function.
9599         (create_overlap_variables_for): Count number of fields, use
9600         heuristic to determine whether to create subvars for vars with
9601         only implicit uses.
9602         Sort the field list by offset and avoid creating duplicate SFT's.
9603
9604 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
9605
9606         * c.opt (-F): Remove trailing whitespace from help string.
9607         (-finput-charset): Use a tab to separate the switch name and help
9608         string.
9609         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
9610         (-ftree-vectorizer-verbose): Likewise.
9611
9612 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
9613
9614         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
9615         a PHI argument where a use occurs instead of all PHI arguments.
9616
9617 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
9618
9619         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
9620         scope.
9621
9622 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
9623
9624         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
9625         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
9626         config/bfin/bfin.h: Fix comment typos.
9627
9628 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
9629
9630         * doc/install.texi: Update the URL for Jacks.
9631         * doc/sourcebuild.texi: Likewise.
9632
9633 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
9634
9635         PR target/17245
9636         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
9637         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
9638
9639 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
9640
9641         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
9642
9643 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
9644
9645         * config/v850/v850-protos.h (override_options): Delete.
9646         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
9647         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
9648         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
9649         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
9650         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
9651         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
9652         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
9653         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
9654         (OVERRIDE_OPTIONS): Delete.
9655         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
9656         (small_memory_info): Remove the value field.
9657         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
9658         TARGET_NO_APP_REGS.
9659         * config/v850/v850.c (small_memory): Remove the value field.
9660         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9661         (override_options): Delete.
9662         (v850_handle_memory_option, v850_handle_option): New functions.
9663         * config/v850/v850.opt: New file.
9664
9665 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
9666
9667         * config.host: Add a section for generic hosts, and a subsection
9668         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
9669         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
9670         * config/host-darwin.h: New.
9671         * config/x-darwin: New.
9672         * config/i386/host-i386-darwin.c: New.
9673         * config/i386/x-darwin: New.
9674         * config/rs6000/host-darwin.c: Include host-darwin.h.
9675         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
9676         (darwin_rs6000_gt_pch_use_address): Likewise.
9677         * config/rs6000/x-darwin: Change name of .o built, update
9678         dependencies for changes to rs6000/host-darwin.c.
9679
9680 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
9681
9682         PR target/17824
9683         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
9684
9685 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
9686
9687         * tree-vect-analyze.c (vect_analyze_loop_form): Call
9688         split_loop_exit_edge instead of loop_split_edge_with.
9689
9690 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
9691
9692         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
9693         UNSPEC_SET_VSCR): New constants, used throughout.
9694         (*andc3_v4sf): New.
9695         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
9696         Replace with...
9697         (altivec_vspltis<VI_char>): ... this pattern, using
9698         a QImode const_int_operand for the immediate.
9699         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
9700         define_expands.
9701
9702 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
9703
9704         PR target/17822
9705         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
9706
9707 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
9708
9709         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
9710
9711 2005-04-06  Ben Elliston  <bje@au.ibm.com>
9712
9713         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
9714         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
9715         macros as living in "this file" and not gcc.h.
9716
9717 2005-04-06  Ben Elliston  <bje@au.ibm.com>
9718
9719         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
9720         -ftree-live_range_split.  Perhaps renamed at some point?
9721
9722 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
9723
9724         PR target/20625
9725         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
9726         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
9727
9728 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
9729
9730         * tree-flow.h (number_of_iterations_cond): Declaration removed.
9731         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
9732         (number_of_iterations_special): New function.
9733         (number_of_iterations_exit): Use number_of_iterations_special.
9734         Use simplify_using_outer_evolutions only at -O3.
9735         (number_of_iterations_cond, tree_simplify_using_condition,
9736         simplify_using_initial_conditions, loop_niter_by_eval,
9737         compare_trees, can_count_iv_in_wider_type_bound,
9738         simplify_using_outer_evolutions): Use fold_build.
9739
9740 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
9741
9742         * doc/install.texi (Configuration): Document --with-java-home.
9743
9744 2005-04-05  Richard Henderson  <rth@redhat.com>
9745
9746         PR target/20342
9747         PR target/20447
9748         * config/i386/i386.c (print_operand): Handle vector zeros.
9749         (ix86_split_to_parts): Handle CONST_VECTOR.
9750         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
9751         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
9752         what modes to tie for MMX and SSE registers.
9753         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
9754         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
9755         to vector modes as well.
9756         * config/i386/predicates.md (const0_operand): Handle VOIDmode
9757         properly as an input mode.
9758
9759 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
9760
9761         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
9762
9763 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
9764
9765         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
9766
9767 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
9768
9769         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
9770         and local functions, set sse_nregs to 8 and float_in_sse.
9771         (function_arg_advance, function_arg): If float_in_sse, pass
9772         SFmode and DFmode arguments in SSE registers.
9773         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
9774
9775         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
9776         of -funit-at-a-time.
9777
9778 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
9779
9780         * config/i386/i386-protos.h (ix86_function_value): Accept two
9781         arguments, like the target macro.
9782         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
9783         * config/i386/i386.c (ix86_function_value): Accept the second
9784         argument of the target macro.
9785         (ix86_function_ok_for_sibcall): Pass a function pointer to
9786         ix86_function_value.
9787         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
9788         call to ix86_value_regno).
9789         (ix86_value_regno): Add support for returning floating point values
9790         in SSE registers.
9791
9792 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
9793
9794         PR tree-optimization/20076
9795         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
9796         that call __builtin_return or __builtin_apply_args.
9797
9798 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
9799
9800         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
9801         Use immediate use iterator.
9802         (stmt_is_bumper_for_loop): Use immediate use iterator.
9803         * predict.c (strip_builtin_expect): Use update_stmt.
9804         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
9805         on all elements of a STATEMENT_LIST.
9806         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
9807         (bsi_remove): Remove imm_use links and mark the stmt as modified.
9808         (bsi_replace): Mark stmt as modified and the update it.
9809         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
9810         (expand_complex_libcal): Call update_stmt.
9811         (expand_complex_comparison): Call mark_stmt_modified.
9812         (expand_complex_operations_1): Call update_stmt_if_modified.
9813         (expand_vector_operations_1): Call mark_stmt_modified.
9814         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
9815         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
9816         add_immediate_use, redirect_immediate_use,
9817         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
9818         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
9819         (mark_new_vars_to_rename): Call update_stmt.
9820         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
9821         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
9822         Ignore PHI nodes.
9823         (unmodify_stmt): Delete.
9824         (update_stmt): New.  Force an update of a stmt.
9825         (update_stmt_if_modified): update a stmt if it is out of date.
9826         (get_stmt_operands): Verify stmt is NOT modified.
9827         (stmt_modified_p): Update comment.
9828         (delink_imm_use): Remove a use node from its immuse list.
9829         (link_imm_use_to_list): Link a use node to a specific list.
9830         (link_imm_use): Link a node to the correct list.
9831         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
9832         it in the correct list, if appropriate.
9833         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
9834         (relink_imm_use): Link a use node in place of another node in a list.
9835         (relink_imm_use_stmt): LInk a node in place of another node, and set
9836         the stmt pointer.
9837         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
9838         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
9839         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
9840         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
9841         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
9842         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
9843         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
9844         (has_zero_uses): New.  Return true if there are no uses of a var.
9845         (has_single_use): New.  Return true if there is only a single use of a
9846         variable.
9847         (single_imm_use): New.  Return the simgle immediate use.
9848         (num_imm_uses): New.  Return the number of immediate uses.
9849         (get_v_must_def_ops): Use is now a pointer.
9850         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
9851         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
9852         the use node.
9853         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
9854         (delink_stmt_imm_use): Delink all immuses from a stmt.
9855         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
9856         * tree-flow.h (struct dataflow_d): Delete.
9857         (immediate_use_iterator_d): New.  Immediate use iterator struct.
9858         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
9859         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
9860         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
9861         iteration.
9862         (struct stmt_ann_d): Remove dataflow_t from struct.
9863         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
9864         (if_convertible_phi_p): Use FAST immuse iterator.
9865         (if_convertible_loop_p): Don't call compute_immediate_uses.
9866         (replace_phi_with_cond_modify_expr): Call update_stmt.
9867         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
9868         update_stmt_if_modified.
9869         (rewrite_all_into_ssa): Initialize ssa operands.
9870         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
9871         compute_immediate_uses.
9872         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
9873         ssa_property is available.
9874         (execute_one_pass):  Change parameters passed to execute_todo.
9875         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
9876         (remove_ssa_form): Call fini_ssa_operands.
9877         (insert_backedge_copies): Delete call to modify_stmt.
9878         * tree-phinodes.c (make_phi_node): Initialize use nodes.
9879         (release_phi_node): Delink any use nodes before releasing.
9880         (resize_phi_node): Relink any use nodes.
9881         (remove_phi_arg_num): Delink the use node.
9882         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
9883         (remove_all_phi_nodes_for): Release phi node first.
9884         * tree-pretty-print.c (dump_generic_node): Print stmt address.
9885         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
9886         (scalarize_use, scalarize_copy): Call update_stmt.
9887         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
9888         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
9889         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
9890         (ccp_initialize): Remove call to compute_immediate_uses.
9891         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
9892         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
9893         stmts.
9894         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
9895         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
9896         (eliminate_redundant_computations): Call mark_stmt_modified.
9897         (cprop_operand): Call mark_stmt_modified.
9898         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
9899         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
9900         (dse_optimize_stmt): Use new immuse interface.
9901         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
9902         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
9903         (substitute_single_use_vars): Use new immuse interface.
9904         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
9905         and compute_immediate_uses.
9906         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
9907         interface.
9908         (rewrite_mem_refs): Call update_stmt.
9909         (determine_lsm): Remove call to compute_imm_uses and free_df.
9910         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
9911         (try_unroll_loop_completely): Call update_stmt.
9912         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
9913         (rewrite_use_compare): Call update_stmt.
9914         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
9915         (rewrite_use) : Call update_stmt.
9916         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
9917         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
9918         update_stmt.
9919         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
9920         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
9921         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
9922         use nodes.
9923         (initialize_vuse_operand): New.  Initialize a vuse operand.
9924         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
9925         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
9926         (finalize_ssa_defs): Use stmt parameter.
9927         (correct_use_link): Ensure a use node is in the correct list, and has
9928         the correct stmt pointer.
9929         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
9930         finalize_ssa_v_must_defs): Also initialize use nodes.
9931         (finalize_ssa_stmt_operands): Pass extra stmt operands.
9932         (build_ssa_operands): Seperate parsing from final operand construction.
9933         (parse_ssa_operands): New.  Parse entry point for operand building.
9934         (swap_tree_operands): New.  Swap 2 tree operands.
9935         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
9936         operands.
9937         (get_expr_operands): Call swap_tree_operands when needed.
9938         (copy_virtual_operands): Use initialize routines for virtual use ops.
9939         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
9940         (verify_abort): New.  Issue imm_use error.
9941         (verify_imm_links): New Verify imm_use links for a var.
9942         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
9943         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
9944         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
9945         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
9946         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
9947         (NULL_USE_OPERAND_P) Define.
9948         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
9949         use node.
9950         (struct vuse_operand_type): New struct.
9951         (SET_USE): Call set_ssa_use_from_ptr.
9952         (USE_STMT): Define.
9953         (PHI_ARG_INDEX_FROM_USE): Define.
9954         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
9955         argument via SET_USE, not PHI_ARG_DEF_TREE.
9956         * tree-ssa-pre.c (eliminate): Call update_stmt.
9957         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
9958         call free_df.
9959         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
9960         (nearest_common_dominator_of_uses): Use imm_use iterator.
9961         (statement_sink_location): Use imm_use iterator and interface.
9962         (execute_sink_code): Don't call compute_immediate_uses or free-df.
9963         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
9964         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
9965         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
9966         (verify_ssa): Ensure no stmt is marked modify after optimization pass
9967         if new parameter is true.
9968         (init_tree_ssa): Don't initialize operand cache here.
9969         (delete_tree_ssa): Don't destroy operand cache here.
9970         (propagate_into_addr): Pass in a use pointer, return true if anything
9971         was changed.
9972         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
9973         (check_phi_redundancy): Use imm_use iterator.
9974         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
9975         free_df.
9976         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
9977         (release_ssa_name): Delink node and all elements in its imm_use list.
9978         * tree-tailcall.c (adjust_return_value): Call update_stmt.
9979         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
9980         * tree-vectorizer.c (need_imm_uses_for): Delete.
9981         (vectorize_loops): Dont call compute_immediate_uses or free_df.
9982         * tree.h (struct ssa_imm_use_d): Define.
9983         (SSA_NAME_IMM_USE_NODE): Define.
9984         (struct tree_ssa_name): Add imm_use node.
9985         (PHI_DF): Delete.
9986         (PHI_ARG_IMM_USE_NODE): Define.
9987         (struct phi_arg_d): Add imm_use node.
9988         (struct tree_phi_node): Remove struct dataflow_d element.
9989         (TDF_STMTADDR): Define.
9990
9991 2005-04-05  Dale Johannesen  <dalej@apple.com>
9992
9993         * doc/invoke.texi (Optimization Options):  Remove
9994         duplicate -fcse-follow-jumps.  Add -fweb.
9995         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
9996         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
9997
9998 2005-04-05  Per Bothner  <per@bothner.com>
9999
10000         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
10001         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
10002         (warn_uninit): Get EXPR_LOCUS from context now instead.
10003         This fixes a USE_MAPPED_LOCATION testsuite failure.
10004
10005         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
10006
10007 2005-04-05  Per Bothner  <per@bothner.com>
10008
10009         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
10010         of the artification 'return 0' in main() to BUILTINS_LOCATION.
10011         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
10012         before warning.
10013
10014 2004-04-05  Devang Patel  <dpatel@apple.com>
10015
10016         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
10017         (lhsr<mode>3): ... new name.
10018         (altivec_vsra<VI_char>): Rename to ..
10019         (ashr<mode>3): ... new name.
10020         * config/rs6000/rs6000.c (builtin_description): Rename shift
10021         operations.
10022
10023 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
10024
10025         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
10026         gen_lowpart_for_combine.
10027         * cse.c (gen_lowpart_if_possible): Move...
10028         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
10029         gen_lowpart_SUBREG.
10030         (gen_lowpart_no_emit_general): Use it.
10031
10032 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10033
10034         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
10035         overriding.
10036
10037 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
10038
10039         * system.h: Fix typo.
10040
10041 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
10042
10043         * config/bfin/bfin-modes.def: New file.
10044         * config/bfin/bfin-protos.h: New file.
10045         * config/bfin/bfin.c: New file.
10046         * config/bfin/bfin.h: New file.
10047         * config/bfin/bfin.md: New file.
10048         * config/bfin/bfin.opt: New file.
10049         * config/bfin/crti.s: New file.
10050         * config/bfin/crtn.s: New file.
10051         * config/bfin/elf.h: New file.
10052         * config/bfin/lib1funcs.asm: New file.
10053         * config/bfin/predicates.md: New file.
10054         * config/bfin/t-bfin: New file.
10055         * config/bfin/t-bfin-elf: New file.
10056         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
10057         Document new attributes.
10058         (interrupt, interrupt_handler, saveall): Update documentation for
10059         these attributes.
10060         * doc/install.texi (Specific): Add entry for the Blackfin.
10061         * doc/invoke.texi (Blackfin Options): New section.
10062         * doc/md.texi (Blackfin family): New section to document constraints.
10063         * config.gcc: Add bfin*-* and bfin*-elf configurations.
10064
10065 2005-04-05  Olivier Hainque  <hainque@adacore.com>
10066
10067         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
10068         match what the system unwinder expects.
10069         * config/mips/mips.c (mips_frame_set): If we're saving the return
10070         address register and the dwarf return address column number differs
10071         from the hard register number, adjust the note reg to refer to the
10072         former.
10073
10074 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
10075
10076         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
10077         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
10078         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
10079         (processor_type): New enum.
10080         (mn10300_processor): New variable.
10081         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
10082         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
10083         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
10084         (PROCESSOR_DEFAULT): New macro.
10085         * config/mn10300/mn10300.c (mn10300_processor): New variable.
10086         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10087         (mn10300_handle_option, mn10300_override_options): New functions.
10088         * config/mn10300/mn10300.opt: New file.
10089
10090 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
10091             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
10092
10093         PR tree-optimization/19903
10094         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
10095         that don't fit in their type after conversion.
10096
10097 2005-04-05  Uros Bizjak <uros@kss-loka.si>
10098
10099         PR target/20421
10100         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
10101         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
10102         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
10103         flag here. Implement using define_insn_and_split.
10104         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
10105         (frndintxf2_mask_pm_i387): New insn patterns.
10106         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
10107         Do not set ix86_optimize_mode_switching flag.
10108         (ceilsf2, ceildf2, ceilxf2): Same.
10109         (btruncsf2, btruncdf2, btruncxf2): Same.
10110         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
10111
10112 2005-04-05  Ian Lance Taylor  <ian@airs.com>
10113
10114         PR debug/9963
10115         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
10116         i386_pe_record_external_function.
10117         (i386_pe_record_external_function): Update declaration.
10118         * config/i386/winnt.c (struct extern_list): Add decl field.
10119         (i386_pe_record_external_function): Add decl parameter.
10120         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
10121         identifier.
10122         * config/i386/i386-protos.h (i386_pe_record_external_function):
10123         Update declaration.
10124
10125 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
10126
10127         * config/m68k/m68k-protos.h: Add a prototype for
10128         valid_dbcc_comparison_p_2.
10129         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
10130         extend_operator, const_uint32_operand, const_sint32_operand,
10131         general_src_operand, nonimmediate_src_operand,
10132         memory_src_operand, post_inc_operand, pre_dec_operand,
10133         pcrel_address): Move to predicates to predicates.md.
10134         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
10135         * config/m68k/m68k.md: Include predicates.md.
10136         * config/m68k/predicates.md: New.
10137
10138 2005-04-04  Roger Sayle  <roger@eyesopen.com>
10139
10140         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
10141
10142         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
10143
10144 2005-04-04  Ian Lance Taylor  <ian@airs.com>
10145
10146         * c-typeck.c (struct c_switch): Rename switch_stmt field to
10147         switch_expr.
10148         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
10149         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
10150         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
10151         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
10152         * c-common.c (c_do_switch_warnings_1): New static function broken
10153         out of c_do_switch_warnings.
10154         (c_do_switch_warnings): Call c_do_switch_warnings_1.
10155         (c_do_switch_expr_warnings): New function.
10156         * c-common.h (c_do_switch_expr_warnings): Declare.
10157
10158 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
10159             Daniel Jacobowitz  <dan@codesourcery.com>
10160
10161         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
10162         trapping divide.
10163         * rtlanal.c (may_trap_p): Same.
10164
10165 2005-04-04  Dale Johannesen  <dalej@apple.com>
10166
10167         * ChangeLog:  remove reference to ChangeLog.12.
10168
10169 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
10170
10171         CRIS epilogue as RTL.
10172         * config/cris/cris.md: Change all 0 in unspec 0 to
10173         CRIS_UNSPEC_PLT.
10174         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
10175         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
10176         patterns.
10177         ("return"): Change to define_expand.  Call cris_expand_return for
10178         actual expansion.
10179         ("*return_expanded"): New pattern.
10180         ("epilogue"): New define_expand.
10181         * config/cris/cris.h (PREDICATE_CODES): Add
10182         cris_load_multiple_op.
10183         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
10184         type.
10185         (enum cris_retinsn_type): New.
10186         (struct machine_function): New member return_type.
10187         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
10188         (cris_target_asm_function_epilogue): Remove, moving RTLified
10189         contents to...
10190         (cris_expand_epilogue): New function.
10191         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
10192         (cris_gen_movem_load, cris_load_multiple_op)
10193         (cris_return_address_on_stack_for_return, cris_expand_return): New
10194         functions.
10195         (cris_target_asm_function_prologue)
10196         (cris_initial_frame_pointer_offset): Call
10197         cris_reg_saved_in_regsave_area instead of complicated expression.
10198         Call cris_return_address_on_stack instead of an expression.
10199         (cris_print_operand) <case 'o', case 'O'>: New cases.
10200         (cris_return_address_on_stack): Change return-type to bool.
10201         (cris_simple_epilogue): Ditto.  Return false if registers are
10202         saved.
10203         * config/cris/cris-protos.h (cris_simple_epilogue)
10204         (cris_return_address_on_stack): Adjust prototype return type.
10205         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
10206         (cris_return_address_on_stack_for_return): New prototypes.
10207
10208 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
10209
10210         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
10211         gpr_or_int12_operand.
10212
10213         * config/frv/frv-protos.h: Add a prototype to
10214         frv_legitimate_memory_operand and frv_const_unspec_p.
10215         (frv_unspec): Move from frv.c.
10216         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
10217         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
10218         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
10219         gpr_or_fpr_operand, gpr_or_int12_operand,
10220         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
10221         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
10222         int6_operand, int5_operand, uint5_operand, uint4_operand,
10223         uint1_operand, int_2word_operand, uint16_operand,
10224         upper_int16_operand, integer_register_operand,
10225         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
10226         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
10227         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
10228         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
10229         move_destination_operand, movcc_fp_destination_operand,
10230         frv_function_symbol_referenced_p, move_source_operand,
10231         condexec_dest_operand, condexec_source_operand,
10232         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
10233         const_unspec_operand, gpr_or_memory_operand,
10234         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
10235         icc_operand, fcc_operand, cc_operand, icr_operand,
10236         fcr_operand, cr_operand, call_operand, sibcall_operand,
10237         symbolic_operand, relational_operator,
10238         integer_relational_operator, float_relational_operator,
10239         ccr_eqne_operator, minmax_operator,
10240         condexec_si_binary_operator, condexec_si_media_operator,
10241         condexec_si_divide_operator, condexec_si_unary_operator,
10242         condexec_sf_conv_operator, condexec_sf_add_operator,
10243         condexec_memory_operand, intop_compare_operator, acc_operand,
10244         even_acc_operand, quad_acc_operand, accg_operand: Move to
10245         predicates.md.
10246         * config/frv/frv.h (PREDICATE_CODES): Remove.
10247         * config/frv/frv.md: Include predicates.md.
10248         * config/frv/predicates.md: New.
10249
10250 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
10251
10252         PR target/19537
10253         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
10254         * tree-ssa-loop-ivopts.c: Include langhooks.h.
10255         (add_standard_iv_candidates_for_size): New function, extracting code
10256         from add_standard_iv_candidates and parameterizing it by type size.
10257         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
10258
10259 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
10260
10261         * system.h (GCOV_SIZE_TYPE): Unposion.
10262         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
10263         (GCOV_TYPE_SIZE): ...this new macro.
10264         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
10265         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
10266         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
10267         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
10268         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
10269         instead of unsigned_intSI_type_node.
10270         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
10271         (rtl_gen_one_value_profiler_no_edge_manipulation)
10272         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
10273         * value-prof.c: Include coverage.h.
10274
10275 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
10276             Diego Novillo <dnovillo@redhat.com>
10277
10278         Fix PR tree-optimization/20703
10279         Fix PR tree-optimization/20725
10280
10281         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
10282         (create_expression_by_pieces): Ditto.
10283         (valid_in_set): Ditto. Also handle tcc_declaration.
10284         (find_or_generate_expression): Handle comparison class.
10285         (insert_into_preds_of_block): Ditto.
10286         (insert_aux): Ditto.
10287         (create_value_expr_from): Handle comparison class, recursively
10288         handle reference nodes.
10289         (compute_avail): Handle comparison classes, rewrite a little cleaner.
10290         (execute_pre): Fix spacing.
10291         (do_fre): Renamed to execute_fre.
10292
10293 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10294
10295         * doc/invoke.texi (SPARC options): Document that
10296         -mlittle-endian is not supported on Linux either.
10297
10298 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10299
10300         PR target/4198
10301         PR target/12027
10302         * config.gcc (Obsolete configurations): Remove
10303         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
10304         (sparclite-*-coff*): Delete.
10305         (sparclite-*-elf*): Likewise.
10306         (sparc86x-*-elf*): Likewise.
10307         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
10308         * config/sparc/lite.h: Delete.
10309         * config/sparc/litecoff.h: Likewise.
10310         * config/sparc/liteelf.h: Likewise.
10311         * config/sparc/sp86x-elf.h: Likewise.
10312         * config/sparc/t-sparclite: Likewise.
10313         * config/sparc/t-sp86x: Likewise.
10314
10315 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
10316
10317         * config/s390/s390-protos.h: (s390_comparison,
10318         s390_alc_comparison, s390_slb_comparison, const0_operand,
10319         consttable_operand, larl_operand, s_operand,
10320         shift_count_operand, bras_sym_operand, load_multiple_operation,
10321         store_multiple_operation, s390_plus_operand): Remove prototypes.
10322         (s390_legitimate_address_without_index_p): New prototype.
10323         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
10324         to s390.h.
10325         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
10326         const0_operand, consttable_operand, larl_operand, s_operand,
10327         shift_count_operand, bras_sym_operand, load_multiple_operation,
10328         store_multiple_operation, s390_plus_operand): Move to
10329         predicates.md.
10330         (check_mode): Remove.
10331         (s390_branch_condition_mask): Remove 'static'. Move prototype to
10332         s390-protos.h.
10333         (s390_legitimate_address_without_index_p): New.
10334         * config/s390/s390.h (PREDICATE_CODES): Remove.
10335         * config/s390/s390.md: Include predicates.md.
10336         * config/s390/predicates.md: New.
10337
10338 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
10339
10340         PR target/20446
10341         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
10342         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
10343         (NEED_INDICATE_EXEC_STACK): Define to 1.
10344         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
10345         (NEED_INDICATE_EXEC_STACK): Define to 1.
10346         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
10347         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
10348         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
10349         (pic_helper_emitted_p): New global.
10350         (emit_pic_helper): New function extracted from...
10351         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
10352         Do not call emit_pic_helper if delay_pic_helper is true.
10353         (sparc_expand_prologue): Pass 'false' to load_pic_register.
10354         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
10355         (sparc_file_end): New function.
10356
10357 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
10358
10359         * config/mcore/mcore-protos.h: Remove the prototypes for
10360         mcore_arith_reg_operand, mcore_general_movsrc_operand,
10361         mcore_general_movdst_operand, mcore_reload_operand,
10362         mcore_arith_J_operand, mcore_arith_K_operand,
10363         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
10364         mcore_arith_K_S_operand, mcore_arith_imm_operand,
10365         mcore_arith_any_imm_operand, mcore_arith_O_operand,
10366         mcore_literal_K_operand, mcore_addsub_operand,
10367         mcore_compare_operand, mcore_load_multiple_operation,
10368         mcore_store_multiple_operation, mcore_call_address_operand.
10369         Add a prototype for const_ok_for_mcore.
10370         * config/mcore/mcore.c (mcore_call_address_operand,
10371         mcore_general_movsrc_operand, mcore_general_movdst_operand,
10372         mcore_arith_reg_operand, mcore_reload_operand,
10373         mcore_arith_J_operand, mcore_arith_K_operand,
10374         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
10375         mcore_arith_M_operand, mcore_arith_imm_operand,
10376         mcore_arith_any_imm_operand, mcore_arith_O_operand,
10377         mcore_literal_K_operand, mcore_addsub_operand,
10378         mcore_compare_operand, mcore_load_multiple_operation,
10379         mcore_store_multiple_operation): Move to predicates.md.
10380         (const_ok_for_mcore): Export.
10381         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
10382         * config/mcore/mcore.md: Include predicates.md.
10383         * config/mcore/predicates.md: New.
10384
10385         * config/mcore/predicates.md: Fix a comment typo.
10386
10387 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
10388             Adrian Straetling  <straetling@de.ibm.com>
10389
10390         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
10391         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
10392         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
10393         attribute.
10394         ("imul"): Removed from "type" attribute.
10395         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
10396         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
10397         Changed type to imulsi.
10398         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
10399
10400 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
10401
10402         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
10403         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
10404         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
10405         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
10406         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
10407         (TARGET_SWITCHES, mcore_stack_increment_string)
10408         (TARGET_OPTIONS): Delete.
10409         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
10410         than *_BIT constants.
10411         (TARGET_8ALIGN): #undef old definition before redefining to 1.
10412         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
10413         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
10414         (mcore_override_options): Delete mcore_stack_increment code.
10415         Change use of M340_BIT to MASK_M340.
10416         * config/mcore/mcore.opt: New file.
10417
10418 2005-04-04  Ian Lance Taylor  <ian@airs.com>
10419
10420         * config/arm/arm.c (replace_symbols_in_block): Remove static
10421         function.
10422
10423 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
10424
10425         * config/fr30/fr30-protos.h: Remove the prototypes for
10426         stack_add_operand, add_immediate_operand,
10427         high_register_operand, low_register_operand, call_operand,
10428         di_operand, and nonimmediate_di_operand.
10429         * config/fr30/fr30.c (stack_add_operand,
10430         add_immediate_operand, high_register_operand,
10431         low_register_operand, call_operand, di_operand,
10432         nonimmediate_di_operand): Move to predicates.md.
10433         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
10434         * config/fr30/fr30.md: Include predicates.md.
10435         * config/fr30/predicates.md: New.
10436
10437         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
10438         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
10439         mcore_call_address_operand.
10440
10441         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
10442         general_movsrc_operand.
10443
10444 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
10445
10446         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
10447         after freeing.
10448
10449 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
10450
10451         PR target/14812
10452         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
10453         a negated value.
10454
10455 2005-04-04  Richard Henderson  <rth@redhat.com>
10456             Jakub Jelinek  <jakub@redhat.com>
10457
10458         PR rtl-optimization/16104
10459         * fold-const.c (fold_unary): Fix folding of vector conversions.
10460
10461 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
10462
10463         * config.gcc (xstormy16-*-elf): Set extra_options.
10464         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
10465         * config/stormy16/stormy16.opt: New file.
10466
10467 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
10468
10469         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
10470         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
10471         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
10472         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
10473         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
10474         (TARGET_UNIX_ASM): Delete.
10475         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
10476         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
10477         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
10478         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10479         * config/pdp11/pdp11.opt: New file.
10480
10481 2005-04-03  Roger Sayle  <roger@eyesopen.com>
10482             Alexandre Oliva  <aoliva@redhat.com>
10483
10484         PR c++/19199
10485         * fold-const.c (non_lvalue): Split tests into...
10486         (maybe_lvalue_p): New function.
10487         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
10488         C++ front-end prior to lowering into gimple form.
10489
10490 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10491
10492         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
10493         BUILT_IN_STRNCASECMP): New.
10494         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
10495         and strndup.
10496
10497 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
10498
10499         PR target/14812
10500         * arm.md (addsi3_compare0_for_combiner): Delete.
10501         (addsi3_compare0_scratch_for_combiner): Delete.
10502         (cmpsi_neg_shiftsi): Delete.
10503         (compare_negsi_si): New pattern.
10504         (cmpsi_negshiftsi_si): New pattern.
10505         (negated_cbranchsi4): Restrict to equality_operator.
10506
10507         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
10508         template.
10509
10510 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
10511
10512         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
10513         Fix comment typos.
10514
10515         * doc/install.texi: Fix a typo.
10516
10517 2005-04-03  Steven Bosscher  <stevenb@suse.de>
10518
10519         PR middle-end/20648
10520         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
10521         a computed goto if the edge to the computed goto block has
10522         incoming abnormal edges.  Clarify how the function works.
10523
10524 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
10525
10526         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
10527         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
10528         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
10529         hash_scan_set, reg_set_between_after_reload_p,
10530         reg_used_between_after_reload_p, get_avail_load_store_reg,
10531         eliminate_partially_redundant_load): Likewise.
10532         * postreload.c (reload_cse_simplify_set,
10533         reload_combine_note_use): Likewise.
10534         * predict.c (predict_insn, expected_value_to_br_prob,
10535         propagate_freq, expensive_function_p): Likewise.
10536         * print-rtl.c (print_rtx): Likewise.
10537         * profile.c (instrument_edges, instrument_values,
10538         compute_branch_probabilities, branch_prob, union_groups,
10539         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
10540         * protoize.c (in_system_include_dir, file_could_be_converted,
10541         file_normally_convertible, gen_aux_info_file, seek_to_line,
10542         do_cleaning): Likewise.
10543         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
10544         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
10545         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
10546
10547 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
10548
10549         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
10550         * modulo-sched.c (undo_replace_buff_elem): New structure.
10551         (kernel_number_of_cycles, ps_unschedule_node,
10552         undo_generate_reg_moves,free_undo_replace_buff,
10553         undo_permute_partial_schedule,  loop_single_full_bb_p,
10554         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
10555         build_loops_structure, get_sched_window): New.
10556         (generate_reg_moves): Return undo_replace_buff_elem and other
10557         fixes.
10558         (generate_prolog_epilog): Remove old loop versioning.
10559         (sms_schedule): Use loop information and loop_version.
10560         (sms_schedule_by_order): Split part of it to get_sched_window.
10561         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
10562         cfg_layout_finalize and free_dominance_info before/after SMS.
10563
10564 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
10565
10566         * cfghooks.c (lv_flush_pending_stmts,
10567         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
10568         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
10569         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
10570         lv_add_condition_to_bb,
10571         lv_adjust_loop_header_phi, extract_cond_bb_edges,
10572         flush_pending_stmts): New in cfg_hooks structure.
10573         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
10574         extract_cond_bb_edges, lv_adjust_loop_header_phi,
10575         lv_add_condition_to_bb): New declarations.
10576         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
10577         bool.
10578         (loop_version): Declare.
10579         * cfgloopmanip.c (cfghooks.h): Include.
10580         (duplicate_loop_to_header_edge): Change return type to bool.
10581         (loop_version, lv_adjust_loop_entry_edge): Move here.
10582         * cfgrtl.c (cfgloop.h): Include.
10583         (rtl_verify_flow_info_1): Fix.
10584         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
10585         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
10586         initialization.
10587         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
10588         tree_lv_add_condition_to_bb): New.
10589         (tree_cfg_hooks): Add new hooks to initialization.
10590         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
10591         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
10592
10593 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
10594
10595         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
10596         xstormy16_below100_or_register,
10597         xstormy16_splittable_below100_or_register, and
10598         nonimmediate_nonstack_operand.
10599
10600         * config/stormy16/stormy16-protos.h: Remove the prototypes for
10601         xstormy16_ineqsi_operator, equality_operator,
10602         inequality_operator, shift_operator,
10603         xstormy16_below100_operand, xstormy16_below100_or_register,
10604         xstormy16_splittable_below100_or_register,
10605         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
10606         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
10607         equality_operator, inequality_operator,
10608         xstormy16_below100_operand, xstormy16_below100_or_register,
10609         xstormy16_splittable_below100_or_register,
10610         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
10611         nonimmediate_nonstack_operand, shift_operator): Move to
10612         predicates.md.
10613         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
10614         * config/stormy16/stormy16.md: Include predicates.md.
10615         * config/stormy16/predicates.md: New.
10616
10617 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
10618
10619         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
10620         small_int, large_int, reg_or_0_operand, simple_memory_operand,
10621         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
10622         move_operand, power_of_2_operand): Move to predicates.md.
10623         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
10624         PREDICATE_CODE): Remove.
10625         * config/iq2000/iq2000.md: Include predicates.md.
10626         * config/iq2000/predicates.md: New.
10627
10628 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
10629
10630         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
10631         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
10632         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
10633         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
10634         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
10635         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
10636         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
10637         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
10638         (TARGET_M68HC11): Delete.
10639         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
10640         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
10641         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
10642         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
10643         (nb_soft_regs): Delete.
10644         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
10645         (m68hc11_override_options): Remove the code that caters for MASK_M6811
10646         and MASK_M6812 being set simultaneously.  Change the code that sets
10647         the default m68hc11_soft_reg_count to use integers instead of strings.
10648         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
10649         m68hc11_soft_reg_count (which now has an int type) as the number
10650         of soft registers.
10651         * config/m68hc11/m68hc11.opt: New file.
10652
10653 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
10654
10655         * config/fr30/fr30.h (PREDICATE_CODES): Remove
10656         fp_displacement_operand, sp_displacement_operand.
10657
10658         * config/m68hc11/m68hc11-protos.h: Add a prototype for
10659         m68hcc_auto_inc_p.
10660         Remove the prototypes for tst_operand, cmp_operand,
10661         stack_register_operand, d_register_operand,
10662         hard_addr_reg_operand, splitable_operand,
10663         m68hc11_logical_operator, m68hc11_arith_operator,
10664         m68hc11_non_shift_operator, m68hc11_shift_operator,
10665         m68hc11_unary_operator, m68hc11_eq_compare_operator,
10666         non_push_operand, hard_reg_operand, and
10667         reg_or_some_mem_operand.
10668         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
10669         extern.
10670         (tst_operand, cmp_operand, non_push_operand,
10671         splitable_operand, reg_or_some_mem_operand,
10672         stack_register_operand, d_register_operand,
10673         hard_addr_reg_operand, hard_reg_operand,
10674         m68hc11_eq_compare_operator, m68hc11_logical_operator,
10675         m68hc11_arith_operator, m68hc11_non_shift_operator,
10676         m68hc11_shift_operator, m68hc11_unary_operator): Move to
10677         predicates.md.
10678         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
10679         * config/m68hc11/m68hc11.md: Include predicates.md.
10680         * config/m68hc11/predicates.md: New.
10681
10682 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
10683
10684         PR debug/19345
10685         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
10686         change checked in along with 2005-03-03's patch for debug/20253.
10687         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
10688         (remap_decl): Insert type decl in map earlier.
10689
10690 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
10691
10692         PR tree-optimization/20640
10693         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
10694         post-dominator if it has phi nodes.
10695         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
10696         before dead statements.
10697
10698 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
10699
10700         PR middle-end/20491
10701         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
10702
10703 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
10704
10705         PR rtl-optimization/20290
10706         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
10707         in every iteration if the entry point is the exit test.
10708
10709 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
10710
10711         * config/cris/cris.md (attribute "length"): Define.
10712
10713 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
10714
10715         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
10716         (word_offset_memref_operand): New.
10717         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
10718         (indexed_or_indirect_operand): Delete.
10719         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
10720         (indexed_or_indirect_operand): Delete.
10721
10722         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
10723
10724         PR 20650
10725         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
10726         a register.
10727
10728         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
10729         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
10730
10731 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
10732
10733         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
10734
10735 2005-04-01  Ian Lance Taylor  <ian@airs.com>
10736
10737         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
10738         (rus, prus): Remove static variables.
10739         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
10740         (process_command): Permit report_times and use_pipes together.
10741
10742 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
10743
10744         * c-decl.c (validate_proto_after_old_defn): Look at
10745         TYPE_MAIN_VARIANT of argument types.
10746
10747 2005-04-01  Paul Brook  <paul@codesourcery.com>
10748
10749         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
10750         (arm_output_function_epilogue): Allow call_via_SP.
10751         (thumb_call_via_reg, arm_file_end): Ditto.
10752         * config/arm/arm.h (struct machine_function): Include space for SP.
10753         (thumb_call_via_label): Update declaration.
10754
10755 2005-04-01  Ian Lance Taylor  <ian@airs.com>
10756
10757         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
10758         doing a peephole optimization, once again put any notes in the
10759         proper position.
10760
10761 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10762
10763         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
10764
10765 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
10766
10767         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
10768         (block_alloc, find_free_reg): Likewise.
10769         * loop-doloop.c (doloop_modify): Likewise.
10770         * loop-invariant.c (record_use): Likewise.
10771         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
10772         get_iv_value, canon_condition, eliminate_implied_condition,
10773         eliminate_implied_condition, simplify_using_initial_values,
10774         shorten_into_mode, canonicalize_iv_subregs,
10775         iv_number_of_iterations): Likewise.
10776         * loop-unroll.c (expand_var_during_unrolling): Likewise.
10777         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
10778         unswitch_loop): Likewise.
10779         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
10780         move_movables, replace_call_address, find_and_verify_loops,
10781         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
10782         record_giv, final_giv_value, general_induction_var,
10783         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
10784         loop_giv_dump): Likewise.
10785
10786         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
10787         GCOV_CHECK_WRITING): Remove.
10788         (gcov_position, gcov_rewrite): Use gcc_assert.
10789         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
10790         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
10791         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
10792         gcc_assert.
10793
10794 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10795
10796         * tree-inline.c: Fix a typo.
10797
10798 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
10799
10800         * configure.ac (enable-checking): Explicitly set all variables for
10801         collective switch values.  Alphabetize variables. Rename
10802         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
10803         synonym for 'no'.
10804         * doc/install.texi (enable-checking): Update documentation.
10805         * configure: Rebuilt.
10806
10807 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10808
10809         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
10810         possible.
10811
10812 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
10813
10814         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
10815         Also reject cases where this pattern will cause load delay stalls
10816         unless optimizing for size and it will produce a shorter sequence.
10817         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
10818         variants to avoid pre-adjusting the base when possible.
10819
10820 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
10821
10822         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
10823         the frame and argument pointers.
10824         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
10825         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
10826         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
10827         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
10828         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
10829         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
10830
10831 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
10832
10833         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
10834         with entry for selectany attribute.
10835         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
10836         Declare.
10837         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
10838         (i386_pe_asm_named_section): Handle sections generated by
10839         selectany attribute.
10840         * doc/extend.texi (selectany): Document attribute.
10841
10842 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
10843             Jan Hubicka  <jh@suse.cz>
10844
10845         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
10846         to fix addresses involving EBP and ESP.
10847         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
10848         for SUBREGed registers.
10849         (legitimate_address_p): Accept SUBREGed registers.
10850
10851 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
10852
10853         PR c++/19406
10854         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
10855         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
10856         for FIELD_DECLs.
10857
10858 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10859
10860         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
10861
10862 2005-04-01  James E Wilson  <wilson@specifixinc.com>
10863
10864         PR c++/20505
10865         * dwarf2out.c (rtl_for_decl_init): New function.
10866         (rtl_for_decl_location): Extracted from here.
10867         (tree_add_const_value_attribute): Call rtl_for_decl_init and
10868         add_const_value_attribute.  Delete initializer_constant_valid_p call.
10869
10870 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
10871
10872         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
10873         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
10874         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
10875         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
10876         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
10877         config/i386/i386.md, config/rs6000/predicates.md,
10878         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
10879         config/s390/s390.c, config/stormy16/stormy16.c,
10880         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
10881         typos.
10882
10883 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
10884
10885         PR c/17855
10886         * gimplify.c (gimplify_expr): Create a temporary for lvalue
10887         COND_EXPR and CALL_EXPR.
10888
10889 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
10890
10891         PR target/20632
10892         * genautomata.c (first_cycle_unit_presence): Check all alternative
10893         states for unit presence.
10894
10895         * doc/md.texi: Remove remark about impossibility to query unit
10896         presence in non nondeterministic automaton state.
10897
10898         * config/ia64/ia64.c (get_template): Change order of unit querying.
10899
10900 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
10901
10902         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
10903         obsolete comment.
10904
10905 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
10906
10907         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
10908         flag for edges outside any loops.
10909
10910 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
10911
10912         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
10913
10914 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
10915
10916         * tree-ssa-alias.c: Follow spelling conventions.
10917         * doc/tree-ssa.texi: Fix a typo.
10918
10919 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
10920
10921         * postreload-gcse.c: Include target.h.
10922         (gcse_after_reload_main): Return early if we cannot modify jumps.
10923         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
10924
10925 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
10926
10927         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
10928         expensive operations.
10929
10930 2005-03-31  Ian Lance Taylor  <ian@airs.com>
10931
10932         * collect2.c (lderrout): New variable.
10933         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
10934         if it is set, to stderr.
10935         (handler): Unlink lderrout if it is set.
10936         (dump_file): Add "to" parameter.  Change all callers.
10937         (main): Initialize lderrout.
10938         (collect_execute): Add errname parameter.  Change all callers.
10939         Rename redir parameter to outname.  Never pass
10940         PEX_STDERR_TO_STDOUT to pex_run.
10941         * collect2.h (collect_execute, dump_file): Update declarations.
10942         * tlink.c (tlink_execute): Add errname parameter.  Change all
10943         callers.
10944         (do_tlink): Check lderrout as well as ldout.
10945
10946 2005-03-31  Caroline Tice  <ctice@apple.com>
10947
10948         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
10949         (bb-reorder.o): Add errors.h to list of requirements.
10950         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
10951         profiledbootstrap flags.
10952         * bb-reorder.c (errors.h): Add new include.
10953         (struct bbro_basic_block_data_def): Add new field, in_trace.
10954         (add_unlikely_executed_notes):  Remove function.
10955         (mark_bb_for_unlikely_executed_section): Remove function.
10956         (insert_section_boundary_note): New function.
10957         (verify_hot_cold_block_grouping): New function.
10958         (push_to_next_round_p): Remove variables and tests that push all
10959         cold blocks to last round.
10960         (find_traces): Remove code that added extra round of trace finding
10961         when doing partitioning.
10962         (find_traces_1_round) :  Remove variable last_round;  add code to
10963         update new struct field, in_trace; correct trace_length where it was
10964         incorrect before (after call to copy_bb); change code that pushed all
10965         cold blocks to last round. Instead verify that all blocks going into
10966         a trace belong in the same partition.
10967         (connect_traces): Modify to connect the traces in two passes, if the
10968         function contains both hot and cold blocks.  The first pass connects
10969         all the traces for blocks in the partition that the first block in
10970         the function belongs to; the second pass connnects all the traces
10971         containing blocks that belong in the other partition.
10972         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
10973         code that automatically put the first block in a function into the
10974         hot partition if the function had any hot blocks.
10975         (fix_crossing_unconditional_branches): Check number of succ edges
10976         before attempting to get one.
10977         (fix_edges_for_rarely_executed_code):  Update comment describing
10978         function.
10979         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
10980         remove call to add_unlikely_executed_notes; add call to
10981         verify_hot_cold_block_grouping.
10982         (duplicate_computed_gotos): Don't change computed goto if it's a
10983         crossing edge.
10984         (partition_hot_cold_basic_blocks):  Update function comment.
10985         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
10986         condition.
10987         (try_forward_edges): Likewise.
10988         (merge_blocks_move_predecessor_nojumps): Likewise.
10989         (merge_blocks_move_successor_nojumps): Likewise.
10990         (merge_blocks_move): Likewise.
10991         (try_crossjump_bb): Likewise.
10992         * cfglayout.c (update_unlikely_executed_notes): Remove function.
10993         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
10994         notes to cold bb's; remove call to update_unlikely_executed_notes.
10995         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
10996         NOTE_INSN_SWITCH_TEXT_SECTIONS.
10997         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
10998         function declaration.
10999         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
11000         from consideration.
11001         (rtl_can_merge_blocks): Remove redundancy from condition.
11002         (try_redirect_by_replacing_jump): Likewise.
11003         (force_nonfallthru_and_redirect): Remove code for adding
11004         UNLIKELY_EXECUTED_CODE notes to cold bb's.
11005         (commit_one_edge_insertion): Likewise.
11006         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
11007         * dbxout.c (FORCE_TEXT): Replace function_section with
11008         current_function_section.
11009         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
11010         function, switch_text_section.
11011         (struct xcoff_debug): Likewise.
11012         (dbxout_function_end): Add code to put out label diffs for both
11013         hot and cold sections.
11014         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
11015         for new debug_hooks funciton, switch_text_section..
11016         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
11017         switch_text_section.
11018         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
11019         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
11020         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
11021         dw_fde_switched_sections.
11022         (output_call_frame_info):  Add test to see if function switches text
11023         sections in the middle; if so, use appropriate extra hot and cold
11024         section labels to compute size deltas for the hot and cold sections.
11025         (dwarf2out_begin_prologue): Add code to initialize new fields in
11026         dw_fde_struct.
11027         (dwarf2out_switch_text_section): New function (invoked through
11028         debug_hook); updates new fields in dw_fde_struct appropriately and
11029         increments separate_line_info_table_in_use.
11030         (dwarf2_debug_hooks): Initialize switch_text_section function to be
11031         dwarf2out_switch_text_section.
11032         (struct var_loc_node): Add new field, section_label.
11033         (output_aranges): Add code to check whether in hot or cold section and
11034         use the appropriate label in calculating deltas.
11035         (output_ranges): Likewise.
11036         (output_line_info): Add code to check which section we're in and
11037         use appropriate hot/cold label.
11038         (add_location_or_constant_value_attribute): Likewise.
11039         (gen_subprogam_die): Modify arange attributes to use correct labels.
11040         (dwarf2out_begin_block): Change call to function_section into call to
11041         current_function_section.
11042         (dwarf2out_end_block): Likewise.
11043         (dwarf2out_source_line): Likewise.
11044         (dwarf2out_var_location): Add code to check whether in hot or cold
11045         section and use the appropriate label.
11046         * except.c (output_function_exception_table): Change call to
11047         function_section into call to current_function_section.
11048         * final.c (profile_function): Likewise.
11049         (scan_ahead_for_unlikely_executed_note): Remove function.
11050         (final_scan_insn):  Remove calls to
11051         scan_ahead_for_unlikely_executed_note, and related code for switching
11052         to cold section, except for the single time
11053         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
11054         debug_hooks->switch_text_sections; replace appropriate calls to
11055         function_section with calls to current_function_section.
11056         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
11057         test_bb to condition.
11058         (find_if_case_2): Likewise.
11059         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
11060         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
11061         * opts.c (decode_options): Change warning about hot/cold partitioning
11062         with exceptionss to inform (so as not to cause bootstrap failures);
11063         remove warning about partitioning with DWARF debug info.
11064         * output.h (current_function_section): Add new function decl.
11065         (insert_section_boundary_note): Likewise.
11066         (enum in_section): Move this declaration here from varasm.c.
11067         (unlikely_section_label): Likewise.
11068         (unlikely_text_section_name): Likewise.
11069         (last_text_section_name): New global variable.
11070         (last_text_section): Likewise.
11071         (hot_section_label): Likewise.
11072         (hot_section_end_label): Likewise.
11073         (cold_section_end_label): Likewise.
11074         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
11075         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
11076         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
11077         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
11078         insn from consideration.
11079         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
11080         switch_text_section.
11081         * varasm.c (basic-block.h): Add new include.
11082         (unlikely_section_label_printed): Remove global variable.
11083         (unlikely_section_label): Make global variable not be static any more.
11084         (unlikely_text_section_name): Likewise.
11085         (hot_section_end_label): New global variable (not static)
11086         (first_function_block_is_cold): Likewise.
11087         (hot_section_label): Likewise.
11088         (cold_section_end_label): Likewise..
11089         (last_text_section): New global variable, not static.
11090         (last_text_section_name): New global variable, not static.
11091         (initialize_cold_section_name): New function.
11092         (enum in_section): Move declaration to output.h.
11093         (text_section): Update last_text_section.
11094         (unlikely_text_section): Replace code to determine cold section name
11095         with call to initialize_cold_section_name; Add code to update
11096         last_text_section; remove code for printing out label.
11097         (named_section_real): Add code to update last_text_section and
11098         last_text_section_name as appropriate.
11099         (function_section): Change test for 'unlikely' to depend on
11100         first_function_block_is_cold (moved old test to
11101         current_function_section).
11102         (current_function_section): New function.
11103         (assemble_start_function): Move code that frees
11104         unlikely_text_section_name; initialize hot_section_end_label;
11105         print hot and cold section labels at the start of the function;
11106         set first_function_block_is_cold, if appropriate; initialize l
11107         ast_text_section; add call to insert_section_boundary_note.
11108         (assemble_end_function):  Add code to write out hot and cold section
11109         end labels.
11110         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
11111         switch_text_section.
11112         * config/darwin.c (machopic_select_section): Replace incorrect
11113         function in base_funs; update reloc for cold sections if necessary.
11114         * config/darwin.h (SECTION_FUNCTION):  Add code to update
11115         last_text_section if appropriate.
11116         (text_unlikely_section): Remove.
11117         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
11118         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
11119         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
11120         partitioning for this architecture.
11121
11122 2005-03-31  Olivier Hainque  <hainque@adacore.com>
11123
11124         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
11125         defined and non-zero.
11126
11127 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11128
11129         PR c++/18644
11130         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
11131         semantics.
11132
11133 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
11134
11135         PR target/20611
11136         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
11137         label operand.  Remove (use (unspec..)).  Don't emit a label on
11138         the offset word.
11139         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
11140         generate inline label for load_toc_v4_PIC_1b.
11141         (rs6000_emit_load_toc_table): Likewise.
11142
11143 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
11144
11145         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
11146         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
11147
11148 2005-03-29  Devang Patel  <dpatel@apple.com>
11149
11150         * tree-sra.c (decide_block_copy): Disable scalarization of
11151         sub-elements.
11152
11153 2005-03-30  Stuart Hastings  <stuart@apple.com>
11154             Dale Johannesen  <dalej@apple.com>
11155
11156         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
11157         * print-tree.c (print_node):  Add case STATEMENT_LIST.
11158
11159 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
11160
11161         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
11162         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
11163         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
11164         is given with "powerpc64*" or "all", or when --with-cpu chooses
11165         a 64-bit cpu.
11166
11167 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
11168
11169         PR debug/20268
11170         * dwarf2out.c (add_high_low_attributes): New function, extracted from
11171         gen_lexical_block_die.
11172         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
11173
11174 2005-03-31  Jan Hubicka  <jh@suse.cz>
11175
11176         2004-11-02  Jan Hubicka  <jh@suse.cz>
11177
11178         * cgraph.c (cgraph_varpool_node_name): New function.
11179         (dump_cgraph_varpool_node): New function.
11180         (dump_varpool): New function.
11181         * cgraphunit.c (cgraph_optimize): Dump varpool.
11182
11183         2004-10-16  Jan Hubicka  <jh@suse.cz>
11184
11185         * cgraph.c (decide_is_variable_needed): New function.
11186         (cgraph_varpool_finalize_decl): Use it.
11187         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
11188         unit-at-a-time.
11189         * final.c (output_addr_const): Do not call mark_referenced.
11190         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
11191         always go via cgraph.
11192         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
11193         (check_global_declarations): Ifdef out code clearing DECL_RTL.
11194         * tree-optimize.c (execute_inline): Mark functions called.
11195         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
11196
11197         2004-10-11  Jan Hubicka  <jh@suse.cz>
11198
11199         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
11200         (cgraph_varpool_last_needed_node): New static variable.
11201         (enqueue_needed_varpool_node): Break out from ...; add items to the
11202         end of queue; update first pointers.
11203         (cgraph_varpool_mark_needed_node): ... here.
11204         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
11205         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
11206         * cgraph.h (cgraph_varpool_node): Add analyzed field.
11207         (cgraph_varpool_first_unanalyzed_node): Declare.
11208         * cgraphunit.c: Include output.h.
11209         (cgraph_varpool_analyze_pending_decls): New function.
11210         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
11211         for errors, analyze pending decls.
11212         (cgraph_finalize_compilation_unit): Only analyze decls.
11213         (cgraph_optimize): Assemble the decls after expanding.
11214
11215 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
11216
11217         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
11218         subvars get marked properly in tags for grouping.
11219         (add_pointed_to_var): Mark only actual pointed to
11220         variables/subvars in addresses needed.
11221         (create_overlap_variables_for): Clear call clobbered on original
11222         variable.
11223         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
11224         addresable vars with subvars into list.
11225         * tree-ssa.c (verify_ssa_name): Verify original is not used where
11226         subvar should be.
11227
11228 2005-03-30  Richard Henderson  <rth@redhat.com>
11229
11230         * cgraph.h (struct cgraph_node): Add alias.
11231         * varasm.c (assemble_alias): Set it.
11232         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
11233         avoid calling cgraph_expand_function.
11234
11235 2005-03-30  Tom Tromey  <tromey@redhat.com>
11236
11237         * tree.def (FILE_TYPE): Removed.
11238         * typeclass.h (enum type_class): Removed file_type_class.
11239         * dwarf2out.c (is_base_type): Updated.
11240         (gen_type_die): Likewise.
11241         * dbxout.c (dbxout_type): Updated.
11242         * builtins.c (type_to_class): Updated.
11243         * tree.c (type_contains_placeholder_1): Updated.
11244         * config/sparc/sparc.c (sparc_type_code): Updated.
11245         * config/ia64/ia64.c (hfa_element_mode): Updated.
11246         * expr.c (count_type_elements): Updated.
11247         * stor-layout.c (layout_type): Updated.
11248         * tree-inline.c (remap_type): Updated.
11249         * tree-pretty-print.c (dump_generic_node): Updated.
11250
11251 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
11252
11253         * builtins.c (expand_builtin_powi): Fix mode of
11254         2nd argument to match int.
11255         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
11256         2nd argument type to int.
11257         * libgcc2.c: Change prototype of __powi* functions to use
11258         int.
11259
11260 2005-03-30  Dale Johannesen  <dalej@apple.com>
11261
11262         PR middle-end/19225
11263         * calls.c (expand_call):  Flush pending deferrals before
11264         throwing call.
11265
11266 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
11267
11268         PR c/772
11269         PR c/17913
11270         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
11271         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
11272         c_label_context, label_context_stack): New.
11273         * c-decl.c (define_label): Check for jumps into statement
11274         expressions.  Add label to list of defined labels.
11275         (start_function): Push context on label_context_stack.
11276         (finish_function): Pop context from label_context_stack.
11277         * c-typeck.c (label_context_stack): New.
11278         (c_finish_goto_label): Check for jumps into statement
11279         expressions.  Add label to list of jumped to labels.
11280         (struct c_switch): Add blocked_stmt_expr.
11281         (c_start_case): Initialize it.
11282         (do_case): Check it.
11283         (c_finish_case): Verify !blocked_stmt_expr.
11284         (c_begin_stmt_expr):  Push context on label_context_stack.
11285         Increment blocked_stmt_expr.  Mark labels jumped to from outside
11286         as undefinable.
11287         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
11288         defined in the statement expression and no longer jumpable to.
11289         Mark labels jumped to from just outside the statement expression
11290         as again definable.  Pop context from label_context_stack.
11291         * doc/extend.texi (Statement Exprs): Update.
11292
11293 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
11294
11295         PR c/20368
11296         * c-decl.c (start_function): Check for old_decl being
11297         error_mark_node.
11298
11299 2005-03-30  Ian Lance Taylor  <ian@airs.com>
11300
11301         * final.c (final): Remove prescan parameter.  Change all callers.
11302         (final_scan_insn): Remove prescan parameter.  Change all callers.
11303
11304 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
11305
11306         * tree-vectorizer.c: Fix comment typos.
11307
11308 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
11309
11310         * tree-scalar-evolution.c (instantiate_parameters_1): Return
11311         as soon as a chrec_dont_know is detected.
11312
11313 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
11314
11315         Merge from csl-arm-branch.
11316         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
11317
11318         * tlink.c (recompile_files): Do not assume that "rename" can
11319         overwrite an existing file.
11320
11321 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
11322
11323         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
11324         * gcc/configure: Regenerate.
11325
11326 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
11327
11328         * doc/install.texi: Update binutils requirement for powerpc*-linux.
11329
11330         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
11331
11332         * calls.c (struct arg_data): Update "partial" comment.
11333         (load_register_parameters): Update "nregs" comment.
11334
11335 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
11336
11337         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
11338         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
11339         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
11340         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
11341         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
11342         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
11343         than target_flags & 0.
11344         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
11345         (iq2000_arch, iq2000_parse_cpu): Delete.
11346         (TARGET_HANDLE_OPTION): Override default.
11347         (iq2000_handle_option): New function.
11348         (override_options): Remove -march= and -mcpu= handling.
11349         * config/iq2000/iq2000.opt: New file.
11350
11351 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
11352
11353         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
11354         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
11355         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
11356         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
11357         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
11358         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
11359         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
11360         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
11361         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
11362         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
11363         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
11364         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
11365         (c4x_rpts_cycles_string, c4x_cpu_version_string)
11366         (TARGET_OPTIONS): Delete.
11367         (c4x_rpts_cycles, c4x_cpu_version): Declare.
11368         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
11369         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
11370         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
11371         (c4x_cpu_version_string): Delete.
11372         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11373         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
11374         equivalent -mcpu= option.
11375         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
11376         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
11377         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
11378         or clearing the appropriate MASK_* bit.
11379         (c4x_file_start): Use c4x_cpu_version.
11380         * config/c4x/c4x.opt: New file.
11381
11382 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
11383
11384         * doc/options.texi: Document the new MaskExists flag.
11385         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
11386         if the option has the MaskExists flag.
11387
11388 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
11389
11390         * opt-functions.awk (flag_set_p, test_flag): New functions.
11391         (switch_flags): Use them.
11392         * opth-gen.awk: Use flag_set_p to check for flags.
11393         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
11394
11395 2005-03-30  Ian Lance Taylor  <ian@airs.com>
11396
11397         * config.host (i[34567]86-*-mingw32*): Don't set
11398         host_can_use_collect2 to no.
11399
11400 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
11401
11402         PR target/20203
11403         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
11404         Remove convert_memory_address call duplicating that in memory_address.
11405
11406 2005-03-29  Richard Henderson  <rth@redhat.com>
11407
11408         PR c/20519
11409         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
11410         (build_compound_literal): Likewise.  Propagate decl type into the
11411         initializer.
11412         (finish_decl): Likewise.  Use new return value from complete_array_type
11413         for zero sized arrays.
11414         (complete_array_type): Move ...
11415         * c-common.c (complete_array_type): ... here.  Change first argument
11416         to pointer-to-type-node.  Consistently use sizetype for the index
11417         except for zero sized arrays.  Detect zero sized arrays for pedantic
11418         mode diagnostics.  Create a new type node instead of modifying the
11419         old node in place.
11420         * c-tree.h (complete_array_type): Move decl ...
11421         * c-common.h (complete_array_type): ... here.
11422
11423 2005-03-29  Richard Henderson  <rth@redhat.com>
11424
11425         PR tree-opt/19108
11426         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
11427
11428 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
11429
11430         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
11431         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
11432         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
11433         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
11434
11435 2005-03-29  Eric Christopher  <echristo@redhat.com>
11436
11437         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
11438         truthvalue conversion removal.
11439
11440 2005-03-29  Ian Lance Taylor  <ian@airs.com>
11441
11442         PR bootstrap/14316
11443         * collect2.c: Never include <vfork.h>.
11444         (VFORK_STRING, vfork): Don't define.
11445         (pid): Remove global variable.
11446         (handler): Call raise instead of kill (getpid(), ...).
11447         (collect_wait): Add pex parameter.  Change all callers.  Use
11448         pex_get_status rather than pwait.
11449         (do_wait): Add pex parameter.  Change all callers.
11450         (collect_execute): Return struct pex_obj * rather than void.  Use
11451         pex routines rather than pexecute.
11452         (fork_execute): Get pex_obj from collect_execute, and pass it to
11453         do_wait.
11454         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
11455         Only declare quit_handler if SIGQUIT is defined.
11456         (scan_libraries): Likewise.
11457         * collect2.h (collect_execute): Update declaration.
11458         (collect_wait): Update declaration.
11459         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
11460         pass it to collect_wait.
11461
11462 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
11463
11464         PR c/20672
11465         * c-parser.c (c_parser_compound_statement_nostart): Give error
11466         message for EOF instead of just setting parser->error.
11467
11468 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
11469
11470         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
11471         (slpeel_update_phi_nodes_for_guard1): New function.
11472         (slpeel_update_phi_nodes_for_guard2): New function.
11473         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
11474         of slpeel_update_phi_nodes_for_guard.
11475         (vectorize_loops): Remove call to loop_closed_rewrite.
11476         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
11477         assertion.
11478
11479 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
11480
11481         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
11482         (TARGET_LITTLE_ENDIAN): New macro.
11483         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
11484         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
11485         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
11486         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
11487         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
11488         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
11489         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
11490         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
11491         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
11492         (TARGET_OPTIONS): Delete.
11493         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
11494         (CACHE_FLUSH_TRAP): Turn into an integer.
11495         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
11496         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
11497         -mflush-trap is in use.
11498         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
11499         (m32r_cache_flush_trap_string): Delete.
11500         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
11501         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
11502         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
11503         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11504         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
11505         -mmodel= and -msdata= handling from...
11506         (m32r_init): ...here.
11507         * config/m32r/m32r.opt: New file.
11508
11509 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
11510
11511         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
11512         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
11513         * tree-vect-analyze.c (vect_object_analysis): additional parm
11514         pass back a "struct ptr_info_def *" with the points-to info.
11515         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
11516         statement using info returned from vect_object_analysis.
11517         * tree-vect-transform.c (update_vuses_to_preheader): New function.
11518         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
11519         for virtual uses and defs when creating a replacement vector
11520         reference.  Call duplicate_ssa_name_ptr_info to define points-to
11521         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
11522         (vectorizable_store): copy_virtual_operands and update
11523         definition statements.
11524         (vectorizable_load): copy_virtual_operands.  Remove call to
11525         mark_call_clobbered_vars_to_rename for call to "const" builtin.
11526         * tree-vectorizer.c (vectorize_loops): Remove calls to
11527         rewrite_into_ssa and bitmap_clear (vars_to_rename).
11528         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
11529         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
11530         define macro STMT_VINFO_PTR_INFO for use in accessing.
11531         * tree.h add export of duplicate_ssa_name_ptr_info.
11532         * rs6000.c (altivec_init_builtins): Declare builtin function
11533         __builtin_altivec_mask_for_load to be "const".
11534
11535 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
11536
11537         PR middle-end/20622
11538         * cgraph.h (struct cgraph_varpool_node): Add alias field.
11539         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
11540         assemble_variable on aliases.
11541         * varasm.c (assemble_alias): Set node->alias.
11542         * toplev.c (wrapup_global_declarations): Don't call
11543         rest_of_decl_compilation on aliases again.
11544
11545 2005-03-29  Paul Brook  <paul@codesourcery.com>
11546
11547         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
11548         * config/arm/arm.c (arm_dbx_register_number): New function.
11549         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
11550
11551 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
11552
11553         PR middle-end/20263
11554         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
11555         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
11556
11557 2005-03-29  Dale Johannesen <dalej@apple.com>
11558
11559         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
11560         $(TREE_H) and $(COVERAGE_H).
11561         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
11562         * opts.c (common_handle_option): Enable tree-based value transforms.
11563         * toplev.c (process_options): Ditto.
11564         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
11565         refers to references to this type.
11566         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
11567         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
11568         for may_be_more, may_be_less.
11569         (rtl_gen_pow2_profiler): Adjust.
11570         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
11571         (rtl_gen_one_value_profiler): Adjust.
11572         (rtl_gen_const_delta_profiler): Adjust.
11573         * tree-profile.c (tree_gen_interval_profiler): Implement.
11574         (tree_gen_pow2_profiler): Ditto.
11575         (tree_gen_one_value_profiler): Ditto.
11576         (tree_profiling): New.
11577         (pass_tree_profile): Reference it.
11578         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
11579         tree.h, gcov-io.h.
11580         (insn_divmod_values_to_profile): Rename to
11581         rtl_divmod_values_to_profile. Adjust.
11582         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
11583         (insn_prefetch_values_to_profile): Adjust.
11584         (rtl_value_profile_transformations): Adjust.
11585         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
11586         (gen_mod_pow2): Rename to rtl_mod_pow2.
11587         (gen_mod_subtract): Rename to rtl_mod_subtract.
11588         (divmod_fixed_value_transform): Rename to
11589         rtl_divmod_fixed_value_transform.
11590         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
11591         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
11592         (rtl_find_values_to_profile): Adjust.
11593         (tree_value_profile_transformations): Implement.
11594         (tree_divmod_values_to_profile): New.
11595         (tree_values_to_profile): New.
11596         (tree_divmod_fixed_value): New.
11597         (tree_mod_pow2): New.
11598         (tree_mod_subtract): New.
11599         (tree_divmod_fixed_value_transform): New.
11600         (tree_mod_pow2_value_transform): New.
11601         (tree_mod_subtract_transform): New.
11602         (tree_find_values_to_profile): Implement.
11603         * profile.c (instrument_values):  Free histograms.
11604         (compute_value_histograms): Adjust. Implement tree version.
11605
11606 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
11607
11608         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
11609         * config/i386/i386.c (output_fix_trunc): Add new round_mode
11610         variable.  Output "fldcw" depending on round_mode.
11611         * config/i386/i386.md (UNSPEC_FIST): New.
11612         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
11613         New isns patterns to implement lrint and llrint built-ins as x87
11614         intrinsic function.
11615         (fistdi2, fist<mode>2 splitters): New splitters.
11616         (lrint<mode>2): New expanders.
11617
11618 2005-03-28  Ian Lance Taylor  <ian@airs.com>
11619
11620         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
11621         0 when calling final_scan_insn.
11622
11623 2005-03-28  Jan Hubicka  <jh@suse.cz>
11624
11625         PR middle-end/20635
11626         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
11627         as needed.
11628
11629         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
11630         types where possible.
11631
11632 2005-03-26  Per Bothner  <per@bothner.com>
11633
11634         Make -f[no-]show-column also control non-cpp diagnostics.
11635         * c.opt (fshow-column): Move option from here ...
11636         * common.opt (fshow-column): ... to here.
11637         * diagnostic.c (diagnostic_build_prefix): Only print column number
11638         if flag_show_column.
11639
11640 2005-03-27  Steven Bosscher  <stevenb@suse.de>
11641
11642         * vax-protos.h (vax_output_int_move, vax_output_int_add,
11643         vax_output_conditional_branch): New prototypes.
11644         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
11645         extracted from vax.md mov and add patterns.
11646         (vax_output_conditional_branch): New function to output conditional
11647         branch instructions.
11648         * vax.md: Use mode macros for arithmetic and mov patterns.
11649         Use code macros for the jump patterns.
11650
11651 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
11652
11653         * Makefile.in (libbackend.o): Depend on version files;
11654         add custom generation command.
11655
11656 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
11657
11658         PR target/20636
11659         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
11660         sure that we have a REG before getting its REGNO.
11661
11662 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11663
11664         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
11665         * builtins.def (BUILT_IN_STRNDUP): New.
11666
11667 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
11668
11669         PR tree-optimization/20470
11670         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
11671         ABS(x-y).
11672
11673 2005-03-25  Mike Stump  <mrs@apple.com>
11674
11675         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
11676         sized objects.
11677
11678 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
11679
11680         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
11681         Use our own structure definitions.
11682
11683         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
11684         (fix_truncdfsi2): Allow registers or memory as destination.
11685         When TARGET_PPC_GFXOPT, generate simplified pattern.
11686         (fix_truncdfsi2_internal): Use define_insn_and_split.
11687         (fix_truncdfsi2_internal_gfxopt): New.
11688         (fctiwz): Don't confuse register allocation by giving it no choices.
11689         (stfiwx): New.
11690         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
11691         (EXTRA_MEMORY_CONSTRAINT): Likewise.
11692         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
11693         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
11694
11695 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
11696
11697         * dominance.c (free_dominance_info): Speed up by freeing et
11698         data structures without maintaining other nodes.
11699         * et-forest.c (et_free_tree_force): New.
11700         * et-forest.h: Add a prototype for et_free_tree_force.
11701
11702         * tree.c (get_set_constructor_bits,
11703         get_set_constructor_bytes): Remove.
11704         * tree.h: Remove the corresponding prototypes.
11705
11706 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11707
11708         PR target/15491
11709         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
11710         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
11711         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
11712         PRE_DEC, NEG and NOT.
11713
11714 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
11715
11716         * fold-const.c: Convert uses of fold (build (...)) to
11717         fold_buildN.
11718
11719 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
11720
11721         PR rtl-optimization/20249
11722         * cse.c (insert_regs): Do not record equivalence of registers in
11723         different modes.
11724
11725 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
11726
11727         * emit-rtl.c (reverse_comparison): Remove.
11728         * rtl.h: Remove the corresponding prototype.
11729
11730 2005-03-24  James E Wilson  <wilson@specifixinc.com>
11731
11732         * doc/install.texi (--enable-altivec): Delete docs.
11733
11734 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
11735
11736         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
11737         SFmode and DFmode before reload when
11738         flag_unsafe_math_optimizations not enabled.
11739
11740 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
11741
11742         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
11743
11744         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
11745         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
11746
11747 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
11748
11749         * configure.ac (enable-checking): Add 'runtime' option.
11750         * doc/install.texi (enable-checking): Document 'runtime' checking.
11751         * tsystem.h (gcc_assert, gcc_unreachable): Define.
11752         * config.in: Regenerated.
11753         * configure: Regenerated.
11754
11755 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
11756
11757         * optabs.h (enum optab_index): Remove OTI_llrint.
11758         (llrint_optab): Remove macro.
11759         * optabs.c (init_optabs): Remove llrint_optab initialization.
11760         * genopinit.c (optabs): Remove llrint_optab implementation.
11761         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
11762         using lrint_optab.
11763
11764 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
11765
11766         PR rtl-optimization/20532
11767         * simplify-rtx.c (simplify_binary_operation_1): Protect from
11768         overflow when adding coefficients for PLUS or MINUS.
11769         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
11770         two as multiplier.
11771
11772 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
11773
11774         * langhooks.h (truthvalue_conversion): Remove.
11775         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
11776         LANG_HOOKS_TRUTHVALUE_CONVERSION.
11777         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
11778         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
11779         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
11780
11781 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
11782
11783         * params.def: Fix a typo.
11784         * config/mips/mips.c: Follow the spelling convensions.
11785         * doc/invoke.texi: Fix typos.
11786
11787 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
11788
11789         Fix PR tree-optimization/20601
11790
11791         * tree-ssa-pre.c (insert_aux): Add missing condition to
11792         constification.
11793
11794 2005-03-23  Ian Lance Taylor  <ian@airs.com>
11795
11796         * final.c (final_scan_insn): Don't remove no-op instructions.
11797         * reload1.c (reload): Remove simple no-op instructions even when
11798         not optimizing.
11799
11800 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
11801
11802         PR tree-optimization/20501
11803         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
11804         reporting that peeling for alignment is applied moved to...
11805         * (vect_analyze_data_refs_alignment): Here.
11806
11807 2005-03-23  Ian Lance Taylor  <ian@airs.com>
11808
11809         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
11810
11811 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
11812
11813         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
11814         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
11815
11816 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
11817
11818         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
11819         imply that this is called once, independent of asms in code.
11820         Adjust to now being pased output and input lists.  Mention helper
11821         function decl_overlaps_hard_reg_set_p.
11822         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
11823         hook_tree_tree_identity and to take three trees, returning third.
11824         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
11825         prototype.
11826         * stmt.c: include hard-reg-set.h before tree.h.
11827         (decl_overlaps_hard_reg_set_p): New function, broken out from...
11828         (decl_conflicts_with_clobbers_p): Call
11829         decl_overlaps_hard_reg_set_p.
11830         (expand_asm_operands): Pass output and input lists in call to
11831         targetm.md_asm_clobbers.
11832         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
11833         hook_tree_tree_tree_tree_3rd_identity.
11834         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
11835         parameters.
11836         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
11837         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
11838         parameters, first two unused.
11839         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
11840         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
11841         in constraint letters and MOF is not mentioned as a asm-declared
11842         register in neither of the input and output lists.
11843
11844 2005-03-23  DJ Delorie  <dj@redhat.com>
11845
11846         * optabs.c (expand_binop): Make sure the first subword's result
11847         gets stored.
11848
11849 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
11850
11851         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
11852         Call c_common_truthvalue_conversion rather than
11853         lang_hooks.truthvalue_conversion.
11854         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
11855         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
11856         c-typeck.c.
11857         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
11858         c_common_truthvalue_conversion.
11859         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
11860         c_parser_conditional_expression, c_parser_binary_expression): Call
11861         c_objc_common_truthvalue_conversion.
11862         * c-typeck.c (build_unary_op): Call
11863         c_objc_common_truthvalue_conversion.
11864         (build_conditional_expr): Do not call
11865         lang_hooks.truthvalue_conversion.
11866         (build_binary_op): Call c_common_truthvalue_conversion.
11867         (c_objc_common_truthvalue_conversion): Moved from
11868         c-objc-common.c.  Call default_function_array_conversion instead
11869         of default_conversion.
11870
11871 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
11872
11873         * c-common.h (default_conversion): Remove.
11874         (perform_integral_promotions): Add.
11875         * c-tree.h (default_conversion): Add.
11876         * c-typeck.c (perform_integral_promotions): New, split out from
11877         default_conversion.
11878         * c-common.c (check_case_value): Use perform_integral_promotions,
11879         not default_conversion.
11880         (c_add_case_label): Don't continue processing case label after
11881         found to be pointer.
11882
11883 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
11884
11885         * gcc.c (do_spec_1): Do not add a -L path for a directory in
11886         the prefix list if we have already added a multilib directory
11887         based on that path.
11888         (main): Do not add MD_EXEC_PREFIX to the list of directories to
11889         search with -L.
11890
11891 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
11892
11893         * reload1.c (indirect_symref_ok, reload_obstack): Make them
11894         static.
11895         * reload.h: Remove the prototype for indirect_symref_ok.
11896
11897         * reload1.c (indirect_symref_ok): Make it global.
11898         * reload.h: Add a prototype for indirect_symref_ok.
11899
11900 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
11901
11902         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
11903         ashlhi3 expander.
11904
11905 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
11906
11907         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
11908
11909 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
11910
11911         * c-opts.c (c_common_parse_file): Only start/end main source file
11912         if debug hooks says the writer wants it.
11913         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
11914         member.
11915         (xcoff_debug_hooks): Ditto.
11916         * debug.c (do_nothing_hooks): Ditto.
11917         * debug.h (gcc_debug_hooks): Ditto.
11918         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
11919         * sdbout.c (sdb_debug_hooks): Ditto.
11920         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
11921
11922 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
11923
11924         * doc/extend.texi: Deprecate C++ min/max operators.
11925
11926 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
11927
11928         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
11929         artificial original candidates.
11930
11931 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
11932             Jan Hubicka  <jh@suse.cz>
11933             Steven Bosscher <stevenb@suse.de>
11934
11935         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
11936         call cost based on argument sizes.
11937         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
11938         inlining.
11939         * params.def: (max-inline-inssn-single): Set to 450.
11940         (max-inline-insns-auto): Set to 90.
11941         (max-inline-insns-recursive): Set to 450
11942         (max-inline-insns-recursive-auto): Set to 450.
11943         (large-function-insns): Set to 2700.
11944         (inline-call-cost): New parameter.
11945         * tree-inline.c (estimate_move_cost): New function.
11946         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
11947         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
11948         based on arguments.
11949         * tree-inline.h (estimate_move_cost): Declare.
11950         * invoke.texi: (max-inline-inssn-single): Change default to 450.
11951         (max-inline-insns-auto): Change default to 90.
11952         (max-inline-insns-recursive): Change default to 450
11953         (max-inline-insns-recursive-auto): Change default to 450.
11954         (large-function-insns): Change default to 2700.
11955         (inline-call-cost): Document new parameter.
11956
11957 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
11958
11959         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
11960         (TARGET_DEFAULT): Delete.
11961         * config/i860/i860.opt: New file.
11962
11963 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
11964
11965         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
11966         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
11967         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
11968         (frv_sched_lookahead): Delete.
11969         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
11970         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
11971         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
11972         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
11973         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
11974         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
11975         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
11976         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
11977         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
11978         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
11979         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
11980         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
11981         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
11982         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
11983         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
11984         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
11985         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
11986         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
11987         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
11988         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
11989         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
11990         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
11991         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
11992         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
11993         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
11994         (frv_sched_lookahead): Delete.
11995         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
11996         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11997         (frv_handle_option): New function.  Move -mcpu= handling from...
11998         (frv_override_options): ...here.  Remove handling of other
11999         TARGET_OPTIONS.
12000         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
12001         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
12002         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
12003         and TARGET_NO_MULTI_CE.
12004         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
12005         !TARGET_VLIW_BRANCH.
12006         * config/frv/frv.opt: New file.
12007
12008 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
12009
12010         * fold-const.c (fold_ternary): Take decomposed arguments of
12011         CALL_EXPR.
12012         (fold): Update a call to fold_ternary.
12013
12014         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
12015         * tree.h: Add corresponding prototypes.
12016
12017 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
12018
12019         PR target/20561
12020         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
12021         between jump table and its label.
12022         * final.c (shorten_branches): Handle notes in between ADDR_VEC
12023         resp. ADDR_DIFF_VEC and the label preceeding it.
12024         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
12025         is emitted in the right section.
12026
12027 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
12028
12029         * fold-const.c (fold_unary, fold_binary): Update comments
12030         about arguments.
12031
12032 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
12033
12034         PR rtl-optimization/20527
12035         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
12036         REG_INC note, test that the register also isn't mentioned in PRED
12037         or SUCC.
12038
12039 2005-03-22  Ben Elliston  <bje@au.ibm.com>
12040
12041         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
12042         and definition.
12043
12044 2005-03-21  Mike Stump  <mrs@apple.com>
12045
12046         * varasm.c (default_assemble_visibility): Remove extra ().
12047
12048 2005-03-21  Roger Sayle  <roger@eyesopen.com>
12049
12050         PR middle-end/20557
12051         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
12052         to determine whether a block can be duplicated, rather than test
12053         whether the block contains noncopyable insns ourselves.
12054
12055 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12056
12057         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
12058         predicates.
12059
12060 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12061
12062         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
12063
12064 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12065
12066         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
12067         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
12068         * config/fr30/fr30.opt: New file.
12069
12070 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
12071
12072         Fix PR tree-optimization/20542
12073
12074         * tree-flow-inline.h (overlap_subvar): Move to here.
12075         * tree-ssa-operands.c: From here.
12076         * tree-flow.h (overlap_subvar): Declare.
12077         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
12078         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
12079         for variables with subvars.
12080
12081 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
12082
12083         PR middle-end/20177
12084         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
12085         * modulo-sched.c (const_iteration_count): Return on NULL
12086         pre-header.
12087         (print_node_sched_params): Return on NULL dump_file.
12088         (generate_reg_moves): Handle reg-anti dependencies and disregard
12089         closing branch when generating register moves.
12090         (sms_schedule): Mark the SMSed block dirty.
12091         * passes.c (rest_of_handle_sms): Call update_life_info for all
12092         basic-blocks.
12093         * testsuite/gcc.dg/20050321-1.c: New test.
12094
12095 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
12096
12097         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
12098         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
12099         movqi_internal): Likewise.
12100
12101 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
12102
12103         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
12104         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
12105         xtensa_b4const): Delete prototypes.
12106         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
12107         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
12108         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
12109         xtensa_extra_constraint): New prototypes.
12110         (add_operand, arith_operand, nonimmed_operand, mem_operand,
12111         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
12112         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
12113         move_operand, const_float_1_operand, fpmem_offset_operand,
12114         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
12115         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
12116         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
12117         argument type to HOST_WIDE_INT.
12118         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
12119         xtensa_mask_immediate): Likewise.
12120         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
12121         Likewise.  Also make these functions static.
12122         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
12123         (xtensa_const_ok_for_letter_p): New.
12124         (add_operand, arith_operand, nonimmed_operand, mem_operand,
12125         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
12126         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
12127         move_operand, const_float_1_operand, fpmem_offset_operand,
12128         branch_operator, ubranch_operator, boolean_operator): Move to
12129         predicates.md.
12130         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
12131         (xtensa_mem_offset): Change return type to bool.
12132         (xtensa_extra_constraint): New.
12133         (gen_int_relational): Update type of const_range_p function pointer.
12134         Use xtensa_b4const_or_zero.
12135         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
12136         xtensa_const_ok_for_letter_p.  Update comments.
12137         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
12138         (PREDICATE_CODES): Delete.
12139         * config/xtensa/xtensa.md: Include predicates.md.
12140         * config/xtensa/predicates.md: New file.
12141
12142 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12143
12144         * config/v850/v850-protos.h: Remove the prototypes for
12145         reg_or_int9_operand, reg_or_const_operand,
12146         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
12147         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
12148         movsi_source_operand, power_of_two_operand,
12149         not_power_of_two_operand, special_symbolref_operand,
12150         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
12151         register_is_ok_for_epilogue.
12152         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
12153         reg_or_int9_operand, reg_or_const_operand,
12154         call_address_operand, special_symbolref_operand,
12155         movsi_source_operand, power_of_two_operand,
12156         not_power_of_two_operand, register_is_ok_for_epilogue,
12157         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
12158         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
12159         predicates.md.
12160         * config/v850/v850.h (PREDICATE_CODES): Remove.
12161         * config/v850/v850.md: Include predicates.md.
12162         * config/v850/predicates.md: New.
12163
12164 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
12165
12166         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
12167         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
12168         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
12169         (itoolsdir, itoolsdatadir): Move definition above new first use.
12170         (install-itoolsdirs): New rule.
12171         (install-mkheaders): Depend on install-itoolsdirs, not
12172         install-include-dir.
12173
12174 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12175
12176         * tree-into-ssa.c: Remove obsolete comments.
12177
12178 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
12179
12180         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
12181         unrolling if -fpeel-loops is specified, too.
12182         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
12183         Remove superfluous check for flag_unroll_loops.
12184
12185 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
12186
12187         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
12188         (lrint_optab, llrint_optab): Define corresponding macros.
12189         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
12190         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
12191         pattern and llrint_optab using llrintdi2 patterns.
12192         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
12193         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
12194         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
12195         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
12196         flag_unsafe_math_optimizations is set.
12197
12198 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
12199
12200         * combine.c (combine_simplify_rtx, simplify_if_then_else,
12201         simplify_logical, if_then_else_cond, known_cond,
12202         simplify_comparison): Adjust calls to reverse_comparison.
12203         Don't use combine_reversed_comparison_code).
12204         (combine_reversed_comparison_code): Remove.
12205         (reversed_comparison): Using reversed_comparison_code, move it...
12206         * jump.c (reversed_comparison): ... here.
12207         * rtl.h (reversed_comparison): Add prototype.
12208
12209 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12210
12211         * builtins.c (fold_builtin): Take decomposed arguments of
12212         CALL_EXPR.
12213         * fold-const.c (fold_ternary): Update a call to fold_builtin.
12214         * gimplify.c (gimplify_call_expr): Likewise.
12215         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
12216         * tree.h: Update the prototype of fold_builtin.
12217
12218 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
12219
12220         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
12221         * rtlhooks.c (gen_lowpart_no_emit_general): New.
12222         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
12223         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
12224         * simplify-rtx.c (simplify_binary_operation_1): Use it.
12225
12226 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
12227
12228         * builtins.c (fold_builtin_1): Take decomposed arguments of
12229         CALL_EXPR.
12230         (fold_builtin): Update a call to fold_builtin_1.
12231
12232 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
12233
12234         PR other/20564
12235         * gcov.c (output_lines): Only output function block summary when
12236         outputting branch information.
12237         * doc/gcov.texi: Document format of preamble and additional block
12238         information lines.
12239
12240 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
12241
12242         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
12243         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
12244         the defaults false if BITS_PER_UNIT != 8.
12245         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
12246         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
12247         than BITS_PER_UNIT != 8.
12248         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
12249         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
12250         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
12251         #undefs.
12252         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
12253         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
12254
12255 2005-03-20  Roger Sayle  <roger@eyesopen.com>
12256
12257         PR middle-end/20539
12258         * fold-const.c (fold_binary): Fix type mismatch between
12259         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
12260         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
12261         for non-truth-valued expressions.
12262
12263         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
12264         and FUNCTION_DECL in the main switch.
12265         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
12266         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
12267         we also need to convert their operands to match.
12268         <TRUTH_NOT_EXPR>: Likewise.
12269
12270 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
12271
12272         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
12273         diagnostic without checking whether an lvalue.
12274         * c-common.h (lvalue_p): Remove.
12275         (enum lvalue_use): Update comment.
12276         (lvalue_or_else): Replace by lvalue_error.
12277         * c-typeck.c (lvalue_p): Make static.
12278         (lvalue_or_else): New.  Call lvalue_error.
12279
12280 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
12281
12282         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
12283         (function_arg_advance): Use rs6000_parm_start.
12284         (function_arg, rs6000_arg_partial_bytes): Likewise.
12285
12286 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
12287
12288         * c-common.c (check_case_value): Adjust comment about stripping
12289         NOPs.
12290         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
12291         * c-typeck.c (default_conversion, convert_arguments,
12292         build_modify_expr, convert_for_assignment, store_init_value,
12293         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
12294         manually.  Remove inaccurate comments.
12295
12296 2005-03-20  Roger Sayle  <roger@eyesopen.com>
12297             Joseph S. Myers  <joseph@codesourcery.com>
12298
12299         * varasm.c (do_assemble_alias): Restore comment describing function.
12300         Annotate the target parameter as potentially unused.
12301
12302 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12303
12304         PR target/18551
12305         * config/avr/avr.c (avr_output_function_prologue): Do not use
12306         current_function_name() in a label, use a local label instead.
12307
12308 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
12309
12310         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
12311         flag_finite_math_only, not flag_unsafe_math_optimizations.
12312
12313 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
12314
12315         * builtins.c (fold_builtin_1): Update a call to
12316         targetm.fold_builtin.
12317         * hooks.c (hook_tree_tree_bool_null): Rename to
12318         hook_tree_tree_tree_bool_null.  Take one more argument of type
12319         tree.
12320         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
12321         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
12322         hook_tree_tree_tree_bool_null.
12323         * target.h (gcc_target): Update the prototype of fold_builtin.
12324         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
12325         arguments of CALL_EXPR.
12326         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
12327         new prototype.
12328
12329 2005-03-20  Jan Hubicka  <jh@suse.cz>
12330
12331         * cgraph.h (cgraph_node): Add prev_clone pointer.
12332         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
12333         (cgraph_clone_node): Produce doubly linked chain.
12334
12335 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
12336
12337         * c-common.c (handle_aligned_attribute, check_function_sentinel,
12338         get_nonnull_operand, handle_sentinel_attribute,
12339         check_function_arguments_recurse): Do not strip NOPS from
12340         INTEGER_CSTs.
12341         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
12342         Likewise.
12343         * c-format.c (get_constant): Likewise.
12344         * c-parser.c (c_parser_postfix_expression): Likewise.
12345         * c-typeck.c (set_init_index): Likewise.
12346         (convert_arguments): Don't check for NOP_EXPR containing integer
12347         constant.
12348
12349 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
12350
12351         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
12352         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
12353         Take decomposed arguments of CALL_EXPR.
12354         (fold_builtin_1): Update calls to the functions mentioned
12355         above.
12356
12357 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
12358
12359         * c-decl.c (check_bitfield_type_and_width): Require bit-field
12360         width to have integer type.
12361         (build_enumerator): Require enumerator value to have integer type.
12362
12363 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
12364
12365         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
12366         to __builtin_inff.
12367
12368 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
12369
12370         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
12371         std=iso9899:199x): Correct descriptions.
12372
12373 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
12374
12375         * config.gcc: Consistently use solaris2.1[0-9]* instead of
12376         solaris2.1[0-9].
12377
12378 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
12379
12380         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
12381         of CALL_EXPR.
12382         (expand_builtin_memcpy, fold_builtin_1): Update calls to
12383         fold_builtin_memcpy.
12384
12385         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
12386         arguments of CALL_EXPR.
12387         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
12388         fold_builtin_found, fold_builtin_1): Update calls to
12389         fold_trunc_transparent_mathfn.
12390
12391 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12392
12393         PR middle-end/20493
12394         * fold-const.c (fold_widened_comparison): Don't optimize casts of
12395         function pointers on targets that require function pointer
12396         canonicalization.
12397         (fold_sign_changed_comparison): Likewise.
12398
12399 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
12400
12401         * combine.c (try_combine): When changing the mode of a hard reg, make
12402         sure that doing so is valid.
12403
12404 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
12405
12406         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
12407         (TARGET_HANDLE_OPTION): Override default.
12408         (avr_handle_option): New function.
12409         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
12410         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
12411         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
12412         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
12413         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
12414         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
12415         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
12416         (TARGET_OPTIONS): Delete.
12417         * config/avr/avr.opt: New file.
12418
12419 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12420
12421         * config/m32r/m32r-protos.h: Remove the prototypes for
12422         call_address_operand, symbolic_operand, seth_add3_operand,
12423         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
12424         reg_or_uint16_operand, reg_or_cmp_int16_operand,
12425         two_insn_const_operand, move_src_operand,
12426         move_double_src_operand, move_dest_operand,
12427         eqne_comparison_operator, signed_comparison_operator,
12428         large_insn_p, conditional_move_operand, carry_compare_operand,
12429         m32r_block_immediate_operand, extend_operand,
12430         reg_or_eq_int16_operand, int8_operand, and
12431         reg_or_zero_operand.
12432         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
12433         seth_add3_operand, int8_operand, cmp_int16_operand,
12434         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
12435         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
12436         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
12437         move_double_src_operand, move_dest_operand,
12438         eqne_comparison_operator, signed_comparison_operator,
12439         extend_operand, small_insn_p, large_insn_p,
12440         conditional_move_operand, carry_compare_operand,
12441         m32r_block_immediate_operand): Move to predicates.md.
12442         (MAX_MOVE_BYTES): Move to m32r.h.
12443         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
12444         * config/m32r/m32r.md: Include predicates.md.
12445         * config/m32r/predicates.md: New.
12446
12447 2005-03-18  James E Wilson  <wilson@specifixinc.com>
12448
12449         PR c++/19769
12450         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
12451         origin.
12452
12453 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12454
12455         * config/mn10300/mn10300-protos.h: Remove the prototypes for
12456         call_address_operand, const_8bit_operand.
12457         * config/mn10300/mn10300.c (call_address_operand,
12458         const_8bit_operand, const_1f_operand): Move to predicates.md.
12459         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
12460         * config/mn10300/mn10300.md: Include predicates.md.
12461         * config/mn10300/predicates.md: New.
12462
12463 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
12464
12465         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
12466         declarations in diagnostics and %E for identifiers, not %s.
12467
12468 2005-03-18  Jan Hubicka  <jh@suse.cz>
12469             Dale Johannesen  <dalej@apple.com>
12470
12471         * basic-block.h (scale_bbs_frequencies_int,
12472         scale_bbs_frequencies_gcov_type): Declare.
12473         * cfg.c (RDIV): New macro.
12474         (update_bb_frequency_for_threading): Fix.
12475         * basic-block.h (scale_bbs_frequencies_int,
12476         scale_bbs_frequencies_gcov_type): New.
12477         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
12478         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
12479         scale_bbs_frequencies_int.
12480         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
12481
12482 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12483
12484         * config/m32r/m32r-protos.h: Remove the prototypes for
12485         call_address_operand, symbolic_operand, seth_add3_operand,
12486         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
12487         reg_or_uint16_operand, reg_or_cmp_int16_operand,
12488         two_insn_const_operand, move_src_operand,
12489         move_double_src_operand, move_dest_operand,
12490         eqne_comparison_operator, signed_comparison_operator,
12491         large_insn_p, conditional_move_operand, carry_compare_operand,
12492         m32r_block_immediate_operand, extend_operand,
12493         reg_or_eq_int16_operand, int8_operand, and
12494         reg_or_zero_operand.
12495         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
12496         seth_add3_operand, int8_operand, cmp_int16_operand,
12497         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
12498         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
12499         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
12500         move_double_src_operand, move_dest_operand,
12501         eqne_comparison_operator, signed_comparison_operator,
12502         extend_operand, small_insn_p, large_insn_p,
12503         conditional_move_operand, carry_compare_operand,
12504         m32r_block_immediate_operand): Move to predicates.md.
12505         (MAX_MOVE_BYTES): Move to m32r.h.
12506         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
12507         * config/m32r/m32r.md: Include predicates.md.
12508         * config/m32r/predicates.md: New.
12509
12510         * config/pa/pa-protos.h: Add prototypes for magic_milli and
12511         shadd_constant_p.
12512         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
12513         symbolic_operand, symbolic_memory_operand,
12514         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
12515         indexed_memory_operand, move_dest_operand, move_src_operand,
12516         prefetch_cc_operand, prefetch_nocc_operand,
12517         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
12518         arith_operand, arith11_operand, pre_cint_operand,
12519         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
12520         ireg_operand, int5_operand, uint5_operand, int11_operand,
12521         uint32_operand, arith5_operand, and_operand, ior_operand,
12522         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
12523         pc_or_label_operand, div_operand, plus_xor_ior_operator,
12524         shadd_operand, movb_comparison_operator,
12525         cmpib_comparison_operator): Move to predicates.md.
12526         (magic_milli, shadd_constant_p): Make it extern.
12527         * config/pa/pa.h (PREDICATE_CODES): Remove.
12528         * config/pa/pa.md: Include predicates.md.
12529         * config/pa/predicates.md: New.
12530
12531         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
12532         predicate.
12533
12534 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12535
12536         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
12537         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
12538         config/alpha/freebsd.h, config/alpha/linux.h,
12539         config/alpha/netbsd.h, config/alpha/osf5.h,
12540         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
12541         config/h8300/h8300-protos.h, config/h8300/h8300.c,
12542         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
12543         doc/cppopts.texi: Update copyright.
12544
12545 2005-03-18  Jan Hubicka  <jh@suse.cz>
12546
12547         PR middle-end/20225
12548         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
12549         too late.
12550         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
12551         called too late.
12552
12553 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12554
12555         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
12556         VEC_safe_push.
12557
12558 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
12559
12560         * combine.c (gen_binary): Remove.
12561         (known_cond, simplify_shift_const, find_split_point,
12562         combine_simplify_rtx, simplify_if_then_else, simplify_set,
12563         simplify_logical, expand_field_assignment, extract_left_shift,
12564         force_to_mode, if_then_else_cond, apply_distributive_law,
12565         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
12566         simplify_comparison, reversed_comparison): Replace with
12567         simplify_gen_binary, simplify_gen_relational or
12568         distribute_and_simplify_rtx.
12569         (distribute_and_simplify_rtx): New function.
12570
12571 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
12572             Paolo Bonzini  <gcc.gnu.org>
12573
12574         * calls.c (setjmp_call_p, special_function_p): Update comments
12575         at the head of the functions.
12576
12577 2005-03-18  Jan Hubicka  <jh@suse.cz>
12578
12579         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
12580
12581         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
12582         function body should be released; do not proactively release function
12583         bodies in non-unit-at-a-time mode.
12584
12585 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
12586
12587         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
12588         mno-fp-ret-in-387 multilib variants.
12589
12590 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
12591
12592         * common.opt (m): Remove.
12593         * opts.c (handle_option): Pass 'm' options to set_target_switch if
12594         table lookup fails.
12595         (common_handle_option): Remove OPT_m case.
12596
12597 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
12598
12599         * builtins.c (fold_builtin_bitop): Take decomposed arguments
12600         of CALL_EXPR.
12601         (fold_builtin_1): Update a call to fold_builtin_bitop.
12602
12603         * builtins.c (fold_builtin_signbit): Take decomposed arguments
12604         of CALL_EXPR.
12605         (fold_builtin_1): Update a call to fold_builtin_signbit.
12606
12607 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
12608
12609         PR tree-optimization/20474
12610         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
12611         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
12612
12613 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
12614
12615         * config/h8300/h8300-protos.h: Remove prototypes for
12616         general_operand_src, general_operand_dst, single_one_operand,
12617         single_zero_operand, call_insn_operand,
12618         two_insn_adds_subs_operand, small_call_insn_operand,
12619         jump_address_operand, bit_operand, bit_memory_operand,
12620         stack_pointer_operand, const_int_gt_2_operand,
12621         const_int_ge_8_operand, const_int_qi_operand,
12622         const_int_hi_operand, incdec_operand, bit_operator,
12623         nshift_operator, eqne_operator, gtle_operator,
12624         gtuleu_operator, iorxor_operator.
12625         Add prototypes for h8sx_shift_type h8sx_classify_shift and
12626         h8300_ldm_stm_parallel.
12627         * config/h8300/h8300.c (h8sx_shift_type,): Move to
12628         h8300-protos.h.
12629         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
12630         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
12631         (h8300_ldm_stm_parallel): Make it extern.
12632         (h8300_ldm_parallel, h8300_stm_parallel,
12633         h8300_return_parallel, general_operand_src,
12634         general_operand_dst, h8300_dst_operand, h8300_src_operand,
12635         nibble_operand, reg_or_nibble_operand, single_one_operand,
12636         single_zero_operand, call_insn_operand,
12637         two_insn_adds_subs_operand, small_call_insn_operand,
12638         jump_address_operand, bit_operand, bit_memory_operand,
12639         stack_pointer_operand, const_int_gt_2_operand,
12640         const_int_ge_8_operand, const_int_qi_operand,
12641         const_int_hi_operand, incdec_operand, eqne_operator,
12642         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
12643         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
12644         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
12645         nshift_operator): Move to predicates.md.
12646         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
12647         * config/h8300/h8300.md: Include predicates.md.
12648         * config/h8300/predicates.md: New.
12649
12650 2005-03-17  Richard Henderson  <rth@redhat.com>
12651
12652         * config.gcc (ia64*-*-hpux*): Add extra_options.
12653         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
12654         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
12655         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
12656         (ia64_tls_size_string, ia64_tune_string): Remove.
12657         (ia64_tune): Init to PROCESSOR_ITANIUM2.
12658         (TARGET_DEFAULT_TARGET_FLAGS): New.
12659         (TARGET_HANDLE_OPTION): New.
12660         (ia64_override_options): Move options parsing ...
12661         (ia64_handle_option): ... here.  New.
12662         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
12663         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
12664         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
12665         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
12666         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
12667         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
12668         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
12669         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
12670         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
12671         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
12672         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
12673         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
12674         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
12675         TARGET_EARLY_STOP_BITS): Remove.
12676         (TARGET_ILP32): Default false.
12677         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
12678         (enum ia64_inline_type): New.
12679         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
12680         * config/ia64/ia64.md: Update for new definitions of
12681         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
12682         * config/ia64/ia64.opt: New file.
12683         * config/ia64/ilp32.opt: New file.
12684
12685 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
12686
12687         PR target/18380
12688         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
12689
12690 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
12691
12692         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
12693         instead of MASK_H8300S.
12694         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
12695         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
12696         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
12697         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
12698         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
12699         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
12700         TARGET_SWITCHES): Remove.
12701         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
12702         TARGET_H8300SX.
12703         * config/h8300/h8300.opt: New.
12704
12705         * config/alpha/alpha.opt, config/arc/arc.opt,
12706         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
12707         notices.
12708
12709 2005-03-17  Ian Lance Taylor  <ian@airs.com>
12710
12711         * gmon.c: Remove.
12712
12713 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
12714
12715         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
12716         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
12717         (TARGET_HANDLE_OPTION): Override default.
12718         (arc_handle_option): New function.
12719         (arc_init): Remove code to set arch_cpu_string.
12720         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
12721         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
12722         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
12723         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
12724         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
12725         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
12726         (arc_rodata_string, TARGET_OPTIONS): Delete.
12727         * config/arc/arc.opt: New file.
12728
12729 2005-03-17  Richard Henderson  <rth@redhat.com>
12730
12731         * doc/extend.texi (Weak Pragmas): New section.
12732         (attribute alias): Clarify that target must be in the same
12733         translation unit.
12734
12735 2005-03-17  Richard Henderson  <rth@redhat.com>
12736
12737         * config/alpha/alpha.opt: New file.
12738         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
12739         of alpha_cpu.
12740         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
12741         alpha_fprm_string, alpha_fptm_string): Make static.
12742         (alpha_tls_size_string): Remove.
12743         (alpha_handle_option): New.
12744         (override_options): Update for alpha_cpu/alpha_tune split.
12745         (alpha_file_start): Likewise.
12746         (TARGET_DEFAULT_TARGET_FLAGS): New.
12747         (TARGET_HANDLE_OPTION): New.
12748         * config/alpha/alpha.h (alpha_tune): Declare.
12749         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
12750         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
12751         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
12752         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
12753         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
12754         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
12755         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
12756         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
12757         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
12758         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
12759         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
12760         (TARGET_DEFAULT): Remove MASK_FP.
12761         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
12762         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
12763         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
12764         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
12765         alpha_tls_size_string): Remove.
12766         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
12767         (attribute tune): Rename from attribute cpu.
12768         * config/alpha/ev4.md: Update to match.
12769         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
12770         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
12771         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
12772         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
12773         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
12774         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
12775
12776 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
12777
12778         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
12779         and return without creating new state if before_nops_num is nonzero.
12780         * config/ia64/ia64.md (first_insn): New attribute.
12781         (alloc): Set it to yes.
12782
12783 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
12784
12785         * tree-vectorizer.c (new_vec_stmt_info): Initialize
12786         STMT_VINFO_SUBVARS to NULL.
12787         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
12788
12789 2005-03-16 Dale Johannesen  <dalej@apple.com>
12790
12791         * rtlanal.c (find_first_parameter_load):  Rewrite to
12792         return actual first param load or the call if none,
12793         instead of first in block, when not all loads exist.
12794
12795 2005-03-16  Roger Sayle  <roger@eyesopen.com>
12796
12797         * optabs.c (expand_copysign_absneg): Make static.
12798         * optabs.h (expand_copysign_absneg): Delete prototype.
12799         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
12800
12801 2005-03-16  Richard Henderson  <rth@redhat.com>
12802
12803         PR middle-end/15700
12804         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
12805         (alias_pairs): Rename from output_defs.
12806         (find_decl_and_mark_needed): Split out from assemble_alias.
12807         (do_assemble_alias): New.
12808         (assemble_output_def): Remove.
12809         (finish_aliases_1, finish_aliases_2): New.
12810         (process_pending_assemble_output_defs): Remove.
12811         (assemble_alias): Defer aliases for which we don't yet have a
12812         non-external decl for the target symbol.
12813         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
12814         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
12815         * toplev.c (compile_file): Use finish_aliases_2 instead of
12816         process_pending_assemble_output_defs.
12817         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
12818         (process_pending_assemble_output_defs): Remove.
12819
12820 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
12821
12822         Fix PR tree-optimization/20489
12823
12824         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
12825         for empty structures.
12826
12827 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
12828
12829         Fix PR tree-optimization/20490
12830
12831         * tree-ssa-pre.c (create_expression_by_pieces): Use
12832         force_gimple_operand on result of fold.
12833
12834 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
12835
12836         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
12837         of closing parenthesis.
12838
12839 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
12840
12841         * builtins.c (expand_movstr): Update a call to
12842         fold_builtin_strcpy.
12843         (expand_builtin_strncpy): Update a call to
12844         fold_builtin_strncpy.
12845         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
12846         arguments of CALL_EXPR.
12847         (fold_builtin_1): Update calls to fold_builtin_strcpy and
12848         fold_builtin_strncpy.
12849         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
12850         * tree.h: Update the prototypes of fold_builtin_strcpy and
12851         fold_builtin_strncpy.
12852
12853 2005-03-16  Steven Bosscher  <stevenb@suse.de>
12854             Dorit Naishlos  <dorit@il.ibm.com>
12855
12856         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
12857         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
12858         error.
12859
12860 2005-03-16  Steven Bosscher  <stevenb@suse.de>
12861
12862         * tree-inline.c (walk_type_fields, walk_tree,
12863         walk_tree_without_duplicates): Move from here...
12864         * tree.c: ...to here.
12865
12866 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
12867
12868         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
12869         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
12870         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
12871         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
12872         (version): Define using $(BASEVER_c).
12873         (Makefile, config.status, build/gcov-iov.o): No longer depends on
12874         version.c.
12875         (version.o): Depend on version files; add custom generation command.
12876         (prefix.o): Define BASEVER on command line.
12877         (s-iov): Depend on version files; adjust command.
12878         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
12879         Add gcc-vers.texi.
12880         (gcc-vers.texi): New rule.
12881         (doc/%.info, doc/%.dvi): Add -I . to command line.
12882         (doc/gccinstall.dvi): Likewise.
12883         (PACKAGE): Delete.  All uses replaced with "gcc".
12884         * aclocal.m4: Do not include gcc-version.m4.
12885         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
12886         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
12887         Set is_release based on contents of DEV-PHASE.
12888         Set gcc_version based on contents of BASE-VER.
12889         Define WIN32_REGISTRY_KEY only if the user overrode the default.
12890         * config.in, configure: Regenerate.
12891         * gccbug.in: Determine version of GCC in use at runtime.
12892         * gcov-iov.c: Get version number and development phase from
12893         command line, not by including version.c.
12894         * intl.c: Replace all uses of PACKAGE with "gcc".
12895         * libada-mk.in: Delete unused "gcc_version" variable.
12896         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
12897         * version.c: (VERSUFFIX): New hook for redistributors; adjust
12898         commentary to match.
12899         (version_string): Put together from pieces.
12900         * config/alpha/x-vms: Do not use $(gcc_version).
12901         * config/i386/t-nwld: Likewise.
12902         * doc/include/gcc-common.texi: Include gcc-vers.texi for
12903         version-GCC and DEVELOPMENT.
12904
12905 2005-03-15  Roger Sayle  <roger@eyesopen.com>
12906
12907         PR tree-optimization/17454
12908         * tree.c (tree_size): Add case for TREE_BINFO.
12909         * fold-const.c (fold_checksum_tree): Only clear the overloaded
12910         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
12911
12912 2005-03-15  Roger Sayle  <roger@eyesopen.com>
12913
12914         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
12915         op1 whilst expanding the signed widenening multiply variant.
12916
12917 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
12918
12919         * toplev.c (display_target_options): Avoid unused variable warning if
12920         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
12921         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
12922         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
12923         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
12924         (mips_isa_info): New variable.
12925         (mips_parse_cpu): Remove the first argument and leave the caller
12926         to report errors.
12927         (TARGET_HANDLE_OPTION): Override default.
12928         (mips_handle_option): New function.  Move option validation code from...
12929         (override_options): ...here.  Update calls to mips_parse_cpu.
12930         * config/mips/mips.h (mips_arch_string, mips_tune_string)
12931         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
12932         (SUBTARGET_TARGET_OPTIONS): Delete.
12933         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
12934         (mno-flush-func, mtune=): New options.
12935
12936 2005-03-15  Roger Sayle  <roger@eyesopen.com>
12937             Richard Henderson  <rth@redhat.com>
12938
12939         * real.c (c4x_single_format, c4x_extended_format): Provide values
12940         for signbit_ro for c4x's single and extended floating point formats.
12941         * optabs.c (expand_copysign): Use the floating point format's
12942         signbit_ro for expanding via expand_copysign_absneg, and it's
12943         signbit_rw field for expanding via expand_copysign_bit.
12944
12945 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
12946
12947         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
12948         known_alignment_for_access_p.
12949         (known_alignment_for_access_p): New.
12950         (do_peeling_for_alignment): Field made int instead of bool and renamed
12951         to peeling_for_alignment.
12952         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
12953         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
12954         functionality used to be in vect_analyze_operations.
12955         (vect_analyze_operations): Code to determine vectorization factor was
12956         moved to vect_determine_vectorization_factor.
12957         (vect_enhance_data_refs_alignment): Update to correct alignment when it
12958         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
12959         factor.
12960         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
12961         be part of vect_analyze_operations).
12962         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
12963         creating the guard condition, as the number of iterations may be
12964         constant.
12965         (slpeel_tree_peel_loop_to_edge): Use new name of
12966         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
12967         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
12968         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
12969         (vect_do_peeling_for_alignment): Use fold.
12970         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
12971
12972         (vect_update_inits_of_dr): Renamed to
12973         vect_update_init_of_dr.
12974         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
12975         (vectorizable_store): Fix assertion to use == instead of =.
12976
12977 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
12978
12979         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
12980         call_used_regs for wCG registers.
12981
12982 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
12983
12984         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
12985         for non-offsettable memory references to cope with outstanding reload
12986         replacements, take 2.
12987
12988 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
12989
12990         PR target/18668
12991         * config/i386/i386.h (x86_fisttp): New.
12992         (TARGET_FISTTP): New macro.
12993         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
12994         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
12995         instruction when fisttp flag is set.
12996         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
12997
12998         * config/i386/i386.md (type attribute): Add fisttp.
12999         (unit attribute): Set to i387 for fisttp type.
13000         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
13001         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
13002         TARGET_FISTTP.
13003         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
13004         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
13005         macros.
13006         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
13007         patterns for TARGET_FISTTP.  Enable patterns for
13008         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
13009         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
13010         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
13011         implement fisttp x87 insn.
13012         (fix_trunc*_i387_fisttp splitters): New patterns.
13013         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
13014         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
13015         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
13016         clobber.
13017         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
13018         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
13019         Implement using mode macros. Disable patterns for TARGET_FISTTP.
13020         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
13021         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
13022         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
13023         Disable patterns for TARGET_FISTTP.
13024         (fix_trunc*_i387 splitters): Implement usign mode macros.
13025         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
13026         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
13027         (fix_trunx*_sse peephole2s): Implement using mode macros.
13028
13029 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
13030
13031         PR rtl-optimization/20291
13032         * combine.c (try_combine): If splitting fails, re-try with
13033         original combined pattern, i.e. before clobber stripping.
13034
13035 2005-03-14  Eric Christopher  <echristo@redhat.com>
13036
13037         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
13038         STACK_GROWS_DOWNWARD.
13039
13040 2005-03-14  Roger Sayle  <roger@eyesopen.com>
13041
13042         * real.h (struct real_format): Split the signbit field into two
13043         two fields, signbit_ro and signbit_rw.
13044         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
13045         mips_double_format, ieee_extended_motorola_format,
13046         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
13047         ieee_extended_intel_128_format, ibm_extended_format,
13048         mips_extended_format, ieee_quad_format, mips_quad_format,
13049         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
13050         i370_double_format, c4x_single_format, c4x_extended_format,
13051         real_internal_format): Update initializers for new field.
13052         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
13053         real_format structure.
13054         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
13055         field of the real_format structure.
13056
13057 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
13058
13059         Fix PR tree-optimization/20458
13060
13061         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
13062         DECL_EXTERNAL on STRUCT_FIELD tags.
13063         (clear_call_clobbered): Ditto.
13064         * tree-ssa-operands.c (note_addressable): Make sure the original
13065         variable doesn't slip into the addressable list if we have
13066         subvars.
13067         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
13068         tags too.
13069
13070 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
13071
13072         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
13073         (-fwide-exec-charset): Likewise.
13074         (-finput-charset): Likewise.
13075         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
13076         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
13077         * c.opt (Wnormalized): New.
13078
13079 2005-03-14  Devang Patel  <dpatel@apple.com>
13080
13081         * doc/invoke.texi: Add reference to Visibility document.
13082
13083 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
13084
13085         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
13086         MASK_SPLIT_ADDRESSES.
13087         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
13088         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
13089         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
13090         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
13091         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
13092         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
13093         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
13094         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
13095         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
13096         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
13097         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
13098         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
13099         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
13100         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
13101         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
13102         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
13103         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
13104         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
13105         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
13106         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
13107         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
13108         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
13109         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
13110         (TARGET_EXPLICIT_RELOCS): Delete.
13111         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
13112         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
13113         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
13114         (override_options): Set MASK_LONG64 if -mint64 is given and no
13115         -mlongXX option is.  Complain about -mint64 -mlong32.
13116         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
13117         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
13118         * config/mips/mips.opt: New file.
13119
13120 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
13121
13122         * config.gcc (extra_options): New variable for listing option files.
13123         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
13124         * configure.ac (extra_opt_files): New AC_SUBST variable.
13125         (tm_file_list, tm_include_list): Include options.h first.
13126         * configure: Regenerate.
13127         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
13128         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
13129         (s-options-h): New rule.
13130         (options.h): Depend on it.
13131         (TEXI_GCCINT_FILES): Add options.texi.
13132         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
13133         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
13134         * target.h (gcc_target): Add default_target_flags and handle_option.
13135         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
13136         (TARGET_HANDLE_OPTION): New macros.
13137         (TARGET_INITIALIZER): Include them.
13138         * opt-functions.awk (opt_args, nth_arg): New functions.
13139         (switch_flags): Handle the "Target" flag.
13140         (var_args): Delete.
13141         (var_name): Use opt_args and nth_arg.
13142         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
13143         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
13144         macros for the "Mask" and "InverseMask" options.
13145         * opts.h (cl_var_cond): New enum.
13146         (cl_option): Replace the "has_set_value" and "set_value" fields with
13147         "var_cond" and "var_value".
13148         (CL_TARGET): New macro.
13149         (option_enabled, print_filtered_help): Declare.
13150         (decode_options): Move definition.
13151         * opts.c (handle_option): Search for the original option before
13152         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
13153         var_cond and var_value fields.  Use targetm.handle_option to handle
13154         target options.
13155         (decode_options): Set target_flags to targetm.default_target_flags.
13156         (print_filtered_help): Make global.  Handle CL_TARGET.
13157         (option_enabled): New function.
13158         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
13159         (display_target_options, set_target_switch, print_switch_values)
13160         (default_pch_valid_p): Guard uses of target_switches with
13161         #ifdef TARGET_SWITCHES.  Also...
13162         (display_target_options): Display the CL_TARGET entries in cl_options.
13163         (set_target_option): Don't complain about the "" option when
13164         TARGET_SWITCHES is undefined.
13165         (print_switch_values): Use option_enabled.
13166         (default_pch_valid_p): Check cl_options[] when looking for something
13167         that has changed the value of target_flags.
13168         * c.opt: Remove documentation from top of file.
13169         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
13170         * doc/sourecebuild.texi: Refer to the new options documentation
13171         instead of c.opt.  Document machine-specific .opt files.
13172         * doc/tm.texi (target_flags): Say that this variable is declared
13173         by options.h.
13174         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
13175         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
13176         an alternative.
13177         * doc/options.texi: New file.
13178
13179 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
13180
13181         PR middle-end/18628
13182         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
13183         register.
13184
13185 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
13186
13187         PR c++/20280
13188         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
13189         temporary variable of pointer type if an lvalues is required.
13190         (gimplify_modify_expr_rhs): Request an rvalue from it.
13191         (gimplify_expr): Pass fallback on.
13192
13193 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13194
13195         * cfgbuild.c: Update comments.
13196
13197 2005-03-14  Roger Sayle  <roger@eyesopen.com>
13198
13199         PR rtl-optimization/17236
13200         * optabs.c (expand_doubleword_mult): New helper function split out
13201         from expand_binop.  Permute the order in which instructions are
13202         emitted to minimize the number of simultaneously live registers.
13203         (expand_binop): Call expand_doubleword_mult to synthesize a double
13204         word multiplication.
13205
13206 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13207
13208         * basic-block.h: Update the prototypes of cached_make_edge and
13209         rtl_make_eh_edge.
13210         * cfg.c (cached_make_edge): Take edge_cache representing one
13211         row of the adjacency matrix of edges.
13212         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
13213         (make_edges): Initialize edge_cache to represent one row of
13214         the adjacency matrix of edges.
13215
13216 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13217
13218         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
13219         New functions.
13220         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
13221         Remove unused removed_phis variable.
13222         (conditional_replacement): Use build1/build2.
13223         (abs_replacement): Use last_and_only_stmt and build1/build2.
13224
13225 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13226
13227         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
13228         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
13229         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
13230         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
13231         * c-common.c (handle_novops_attribute): New function.
13232         (c_common_attribute_table): Add "no vops" entry.
13233         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
13234         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
13235         * tree-ssa-operands.c (get_call_expr_operands): Do not
13236         create virtual operands for calls with ECF_NOVOPS flag.
13237         * tree.h (DECL_IS_NOVOPS): New macro.
13238         (struct tree_decl): Add novops_flag.
13239         (ECF_NOVOPS): New constant.
13240
13241 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
13242
13243         PR target/17688
13244         * config/i386/i386.c (x86_use_himode_fiop): New.
13245         (x86_use_simode_fiop): Rename from x86_use_fiop.
13246         * config/i386/i386.h (x86_use_himode_fiop): Declare.
13247         (TARGET_USE_HIMODE_FIOP): New.
13248         (x86_use_simode_fiop): Rename from x86_use_fiop.
13249         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
13250
13251         * config/i386/i386.md (X87MODEI12): New mode macro define.
13252         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
13253         to implement x87 FP compare with HImode input operands.
13254         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
13255         Use X87MODEI12 mode macro to handle HImode input operands.
13256         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
13257         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
13258         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
13259         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
13260         macro to implement x87 operators with HImode input operands.
13261         (fop splitters): Use X87MODEI12 mode macro to handle HImode
13262         input operands.
13263
13264 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13265
13266         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
13267         integer_zerop.
13268         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
13269         constants invariant.
13270
13271 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
13272
13273         * basic-block.h (BB_VISITED): Removed.
13274         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
13275
13276 2005-03-14  Falk Hueffner  <falk@debian.org>
13277
13278         PR bootstrap/20424
13279         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
13280
13281 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13282
13283         * ggc-zone.c: Fix comment typos.
13284
13285         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
13286         stringpool.c, config/mips/mips-protos.h: Update copyright.
13287
13288 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
13289
13290         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
13291         throughout with its typedef, "rtx".
13292         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
13293         (rs6000_tls_symbol_ref_1): Remove inline keyword.
13294         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
13295         regs in comment to match code.
13296
13297 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
13298
13299         * except.c (check_handled): Make it static.
13300         * except.h: Remove the corresponding prototype.
13301
13302         * function.c (get_func_frame_size): Make it static.
13303         * function.h: Remove the corresponding type.
13304
13305         * regclass.c (reg_class_superclasses, reg_class_subclasses):
13306         Make them static.
13307         * hard-reg-set.h: Remove the corresponding declarations.
13308
13309         * tree-cfg.c (verify_stmts): Check that
13310         bb_for_stmt (stmt) == bb for every PHI node and statement.
13311
13312 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
13313
13314         * config.gcc: Remove excess indentation.
13315         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
13316
13317 2005-03-13  Roger Sayle  <roger@eyesopen.com>
13318
13319         PR middle-end/19331
13320         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
13321         * fold-const.c (fold_sign_changed_comparison): Likewise.
13322         (fold_binary): Optimize comparisons against widened operands if
13323         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
13324
13325 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
13326
13327         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
13328         (sparc_override_options): Initialize it.
13329         (sparc_struct_value_rtx): Set it on the MEM to be returned.
13330
13331 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
13332
13333         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
13334         (reg_or_none500mem_operand): New predicate.
13335         (zero_reg_mem_operand): New predicate.
13336         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
13337         to reg_or_none500mem_operand.
13338         (extendsfdf2_fpr): Add MEM alternative.
13339         (extenddftf2_internal): Change operand2 predicate to
13340         zero_reg_mem_operand.
13341
13342 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
13343
13344         * ggc-zone.c: Rewritten.
13345
13346         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
13347         if there are none.
13348         * configure.ac: Define GGC_ZONE for --with-gc=zone.
13349         * config.in: Regenerated.
13350         * configure: Regenerated.
13351         * gengtype.c (write_types_process_field, write_func_for_structure):
13352         Pass new argument to gt_pch_note_object.
13353         * ggc-common.c (struct ptr_data): Add TYPE.
13354         (gt_pch_note_object): Take TYPE argument and save it.
13355         (call_count): Update call to ggc_pch_count_object.
13356         (call_alloc): Update call to ggc_pch_alloc_object.
13357         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
13358         file.
13359         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
13360         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
13361         (ggc_alloc_zone_stat): Delete.
13362         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
13363         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
13364         (ggc_pch_alloc_object): Update prototypes.
13365         (garbage_zone): Delete.
13366         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
13367         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
13368         pointers.
13369         (tree_id_zone): New variable.
13370         (ggc_alloc_cleared_zone): Remove unused.
13371         (ggc_alloc_zone): Define.
13372         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
13373         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
13374         ggc_alloc_zone_stat.
13375         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
13376         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
13377         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
13378         (make_node_stat): Likewise.  Use tree_id_zone.
13379
13380 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
13381             Joseph S. Myers  <joseph@codesourcery.com>
13382
13383         * configure.ac: Check for MIPS TLS.
13384         * configure: Regenerated.
13385         * config/mips/mips-protos.h (enum mips_symbol_type): Add
13386         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
13387         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
13388         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
13389         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
13390         (mips_classify_symbol, mips_symbolic_constant_p)
13391         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
13392         (mips_tls_operand_p, mips_call_tls_get_addr)
13393         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
13394         (mips_tls_symbol_ref_1): New functions.
13395         (mips_legitimize_address, mips_legitimize_const_move): Call
13396         mips_legitimize_tls_address.
13397         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
13398         for MIPS16.
13399         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
13400         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
13401         (mips_char_to_class): Document V1_REG.
13402         (HAVE_AS_TLS): Provide default.
13403         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
13404         constants.
13405         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
13406         !TARGET_ABICALLS.
13407         (tls_get_tp_<mode>): New instruction.
13408
13409 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
13410
13411         * configure.ac: Update checks for target tools.
13412         * configure: Regenerated.
13413
13414 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
13415
13416         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
13417
13418 2005-03-13  Roger Sayle  <roger@eyesopen.com>
13419
13420         * expmed.c (expand_mult): Use synthetic multiplication sequences for
13421         more classes of DImode multiplication by constant.  Allow both
13422         multiplication by small negative constants (by performing a
13423         multiplication by a positive constant and negating the result) and
13424         multiplications by large powers of two, by using a left shift.
13425
13426 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
13427
13428         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
13429         of basic blocks into work_stack.
13430
13431         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
13432         config/mips/vr.h: Update copyright.
13433
13434         * c-decl.c (c_init_decl_processing): Remove useless calls to
13435         build_function_type.
13436
13437         * builtins.c (fold_trunc_transparent_mathfn,
13438         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
13439         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
13440         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
13441         fold_builtin_strcpy, fold_builtin_strncpy,
13442         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
13443         TREE_TYPE (exp).
13444
13445         * builtins.c (expand_builtin_mathfn_3): Remove local variable
13446         before_call.
13447
13448         * lambda-code.c (lambda_compute_auxillary_space): Remove local
13449         variable determinant.
13450
13451         * tree-cfg.c (group_case_labels): Remove local variable type.
13452
13453         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
13454         variable ann.
13455
13456         * tree-ssa-phiopt.c (value_replacement): Remove local variable
13457         result.
13458
13459 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
13460
13461         PR target/18251
13462         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
13463         (*movmemqi_insn): Delete.
13464         (*movmemhi): Delete.
13465
13466 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
13467
13468         * builtins.c (fold_builtin_classify): Take decomposed
13469         arguments of CALL_EXPR.
13470         (fold_builtin_1): Update a call to fold_builtin_classify.
13471
13472 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
13473
13474         PR c/20402
13475         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
13476         through into call to parser_xref_tag after parse error.
13477         (c_parser_struct_declaration): Consistently return NULL_TREE on
13478         error.
13479
13480 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
13481
13482         * tree-flow-inline.h (ref_contains_array_ref): New function.
13483         (lookup_subvars_for_var): Ditto.
13484         (get_subvars_for_var): Ditto.
13485         (var_can_have_subvars): Ditto.
13486
13487         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
13488         (struct subvar): New type.
13489
13490         * tree-dfa.c (okay_component_ref_for_subvars): New function.
13491
13492         * tree-optimize.c (init_tree_optimization_passes): Call
13493         pass_create_structure_vars.
13494
13495         * tree-ssa-alias.c: Include vec.h.
13496         (init_alias_info): Don't auto-clear call clobbered on struct-field
13497         tags.
13498         (compute_flow_insensitive_aliasing): Handle subvars.
13499         (group_aliases): Handle STRUCT_FIELD aliases.
13500         (setup_pointers_and_addressables): Ditto.
13501         Don't mark variables non-addressable if they still have
13502         addressable subvars.
13503         Also mark subvars addressable when the real variable is marked
13504         addressable.
13505         (add_pointed_to_var): Try to prune the pointed-to set by only
13506         pointing to subvars when possible.
13507         Otherwise, make sure we set addresses_needed and pt_vars to
13508         properly include subvars.
13509         (bitpos_of_field): New function.
13510         (push_fields_onto_fieldstack): Ditto.
13511         (get_or_create_used_part_for): Ditto.
13512         (create_overlap_variables_for): Ditto.
13513         (find_used_portions): Ditto.
13514         (create_structure_vars): Ditto.
13515         (pass_create_structure_vars): New structure.
13516
13517         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
13518         (get_expr_operands): Handle subvars.  Also try to turn
13519         COMPONENT_REF accesses into must-defs now that we can accurately
13520         portray it.
13521         (note_addressable): Try to only mark as addressable those subvars
13522         we know a COMPONENT_REF touches.
13523         (overlap_subvar): New function.
13524
13525         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
13526         Handle subvar storing.
13527         (vect_address_analysis): Update caller of vect_object_analysis.
13528
13529         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
13530
13531         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
13532         (STMT_VINFO_SUBVARS): New macro.
13533
13534         * common.opts: add flag_tree_salias.
13535
13536         * opts.c (decode_options): flag_tree_salias defaults to on.
13537
13538         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
13539
13540         * doc/tree-ssa.texi: Document structural alias analysis.
13541
13542 2005-03-12  Steven Bosscher  <stevenb@suse.de>
13543
13544         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
13545         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
13546         * tree-ssa-operands.c (get_expr_operands): Likewise.
13547         (get_expr_operands): Likewise for ERROR_MARK.
13548
13549 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
13550
13551         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
13552         var.
13553
13554         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
13555         removed_phis.
13556
13557         * tree-ssa-pre.c (compute_avail): Remove local variable val.
13558         (mark_operand_necessary): Remove local variable ver.
13559
13560         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
13561         variable prefix_len.
13562
13563         * value-prof.c (mod_subtract_transform): Remove local variable
13564         value.
13565
13566         * builtins.c (fold_builtin_exponent): Take decomposed
13567         arguments of CALL_EXPR.
13568         (fold_builtin_1): Update a call to fold_builtin_exponent.
13569
13570         * builtins.c (fold_builtin_logarithm): Take decomposed
13571         arguments of CALL_EXPR.
13572         (fold_builtin_1): Update a call to fold_builtin_logarithm.
13573
13574         * c-decl.c (c_init_decl_processing): Remove local variables
13575         ptr_ftype_void and ptr_ftype_ptr.
13576
13577         * gimplify.c (gimplify_expr): Remove local variables r0 and
13578         r1.
13579
13580         * reg-stack.c (move_for_stack_reg): Remove local variable
13581         push_insn.
13582         (compare_for_stack_reg): Remove local variable flags_user.
13583         (convert_regs_1): Remove local variable deleted.
13584
13585         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
13586         variable new_cond.
13587         (combine_blocks): Remove local variables exits and new_e.
13588
13589         * tree-inline.c (expand_call_inline): Remove local variable
13590         decl.
13591
13592         * tree-ssa-live.c (create_ssa_var_map,
13593         calculate_live_on_entry): Remove local variable snn.
13594
13595 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
13596
13597         * c-lex.c (c_lex_with_flags): Add parameter to call to
13598         cpp_spell_token.
13599
13600 2005-03-11  Per Bothner  <per@bothner.com>
13601
13602         * c-tree.h (struct c_declarator): New id_loc field.
13603         * c-pragma.h (c_lex_with_flags): Take position reference.
13604         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
13605         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
13606         (c_lex): Pass dummy location to c_lex_with_flags.
13607         * c-parser.c (c_lex_one_token): Set c_token's location using
13608         c_lex_with_flags, instead of input_location, which might be "ahead".
13609         (c_parser_direct_declarator): Set declarator's id_loc from
13610         c_token's id_loc.
13611         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
13612         declarator's id_loc, rather than probably-imprecise input_location.
13613         (build_id_declarator): Initialize c_declarator's id_loc field.
13614
13615 2005-03-11  Roger Sayle  <roger@eyesopen.com>
13616
13617         PR middle-end/20419
13618         * builtins.c (expand_builtin_signbit): Force the signbit's word
13619         into an integer register to avoid SUBREGs of floating point modes.
13620
13621 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
13622
13623         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
13624         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
13625         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
13626         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
13627
13628 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
13629
13630         PR rtl-optimization/20306
13631         * expr.c (emit_move_complex): Set try_int false if mode is
13632         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
13633         emit_block_move if try_int is true.
13634
13635 2005-03-11  Richard Henderson  <rth@redhat.com>
13636
13637         PR target/20415
13638         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
13639         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
13640         to match.
13641
13642 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
13643
13644         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
13645         (TARGET_FIX_VR4130): New macro.
13646         (TARGET_OPTIONS): Add -mfix-vr4130.
13647         (ISA_HAS_MACCHI): New macro.
13648         (ASM_SPEC): Add -mfix-vr4130.
13649         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
13650         (override_options): Handle mips_fix_vr4130_string.
13651         (mips_avoid_hazards): Clear all_noreorder_p
13652         if we're working around VR4130 errata and the macc alternatives
13653         are not available.
13654         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
13655         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
13656         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
13657         (MULTILIB_DEFAULTS): Remove leading "march=".
13658         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
13659         if no architecture option is given.
13660         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
13661         VR4130 multilibs.
13662         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
13663         * doc/invoke.texi: Document -mfix-vr4130.
13664
13665 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
13666
13667         * config/mips/mips.c (override_options): Only warn about -mint64
13668         deprecation if TARGET_INT64.
13669
13670 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13671
13672         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
13673         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
13674         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
13675         are non-specific regarding the nonnull parameter positions.
13676         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
13677         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
13678         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
13679         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
13680
13681         * builtins.def: Use the non-specific "nonnull" attibute lists.
13682
13683 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
13684
13685         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
13686         single_pred_edge, single_succ, single_pred): Improve comments.
13687
13688 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
13689
13690         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
13691         single_pred_edge, single_succ, single_pred): New inline functions.
13692         * bb-reorder.c (rotate_loop, find_traces_1_round,
13693         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
13694         duplicate_computed_gotos): Use the single_succ/pred functions.
13695         * cfganal.c (forwarder_block_p): Ditto.
13696         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
13697         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
13698         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
13699         merge_seq_blocks): Ditto.
13700         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
13701         * cfglayout.c (fixup_reorder_chain): Ditto.
13702         * cfgloop.c (mark_single_exit_loops, update_latch_info,
13703         canonicalize_loop_headers, verify_loop_structure): Ditto.
13704         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
13705         mfb_update_loops, create_preheader, force_single_succ_latches,
13706         create_loop_notes): Ditto.
13707         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
13708         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
13709         commit_one_edge_insertion, purge_dead_edges,
13710         cfg_layout_can_merge_blocks_p): Ditto.
13711         * except.c (sjlj_emit_function_enter): Ditto.
13712         * flow.c (init_propagate_block_info): Ditto.
13713         * function.c (thread_prologue_and_epilogue_insns): Ditto.
13714         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
13715         insert_insn_end_bb): Ditto.
13716         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
13717         find_if_case_2): Ditto.
13718         * lambda-code.c (perfect_nestify): Ditto.
13719         * lcm.c (optimize_mode_switching): Ditto.
13720         * loop-doloop.c (doloop_modify): Ditto.
13721         * loop-init.c (loop_optimizer_init): Ditto.
13722         * loop-iv.c (simplify_using_initial_values): Ditto.
13723         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13724         * loop-unswitch.c (unswitch_loop): Ditto.
13725         * modulo-sched.c (generate_prolog_epilog): Ditto.
13726         * predict.c (combine_predictions_for_insn, estimate_probability,
13727         tree_estimate_probability, last_basic_block_p,
13728         estimate_bb_frequencies): Ditto.
13729         * profile.c (branch_prob): Ditto.
13730         * regrename.c (copyprop_hardreg_forward): Ditto.
13731         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
13732         * tracer.c (layout_superblocks): Ditto.
13733         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
13734         cfg_remove_useless_stmts_bb, cleanup_control_flow,
13735         cleanup_control_expr_graph, disband_implicit_edges,
13736         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
13737         tree_verify_flow_info, tree_make_forwarder_block,
13738         tree_forwarder_block_p, remove_forwarder_block,
13739         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
13740         * tree-if-conv.c (tree_if_conversion): Ditto.
13741         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
13742         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
13743         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
13744         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
13745         copy_loop_headers): Ditto.
13746         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
13747         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
13748         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
13749         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
13750         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
13751         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
13752         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
13753         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
13754         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
13755         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
13756         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
13757         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
13758         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
13759         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
13760         slpeel_add_loop_guard): Ditto.
13761
13762 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
13763
13764         PR tree-optimization/15784
13765         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
13766         and -1 - A to ~A.
13767
13768         * stmt.c (expand_case): Don't change index_type.  Convert minval
13769         to the proper type.
13770
13771         PR tree-optimization/20130
13772         * fold-const.c (fold): Fold x * -1 into -x.
13773
13774 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
13775
13776         PR rtl-optimization/20331
13777         * rtlanal.c (modified_between_p): Check its address first for MEM.
13778         (modified_in_p): Likewise.
13779
13780 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
13781
13782         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
13783
13784 2005-03-10  Steven Bosscher  <stevenb@suse.de>
13785
13786         * expr.c (expand_expr_real_1): If possible, use a conditional
13787         move for expanding MIN_EXPR and MAX_EXPR.
13788         Use temp for moving around rtx-en.
13789
13790 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
13791
13792         PR rtl-opt/20412
13793         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
13794         correct mode.
13795
13796 2005-03-10  Roger Sayle  <roger@eyesopen.com>
13797
13798         * builtins.c (expand_builtin_signbit): Extend to handle floating
13799         point modes wider than the largest integer type, using the
13800         operand_subword_force function to obtain the signbit's word.
13801
13802 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
13803
13804         PR target/20322
13805         * combine.c (try_combine): If recog_for_combine added CLOBBERs
13806         to NEWI2PAT, fail to combine if they are used by NEWPAT.
13807
13808 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
13809
13810         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
13811
13812 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
13813
13814         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
13815         type void.
13816         (perform_edge_inserts): Unconditionally call
13817         free_dominator_info.
13818
13819         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
13820
13821 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
13822
13823         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
13824
13825 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
13826
13827         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
13828
13829         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
13830         gcc_unreachable.
13831         (rtl_register_value_prof_hooks,
13832         tree_value_profile_transformations,
13833         tree_register_value_prof_hooks): Likewise.
13834         * var-tracking.c (stack_adjust_offset_pre_post,
13835         variable_htab_free, variable_union, dataflow_set_different_2,
13836         count_uses, variable_was_changed, set_frame_base_location,
13837         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
13838         vt_add_function_parameters): Likewise.
13839         * varasm.c (named_section_real, named_section, make_decl_rtl,
13840         asm_emit_uninitialised, assemble_integer, decode_addr_const,
13841         const_hash_1, compare_constant, copy_constant, force_const_mem,
13842         output_constant_pool_2, output_constant_pool_1, output_constant,
13843         output_constructor, make_decl_one_only, decl_tls_model,
13844         default_no_named_section, default_elf_select_section_1,
13845         default_unique_section_1): Likewise.
13846         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
13847         * vmsdbgout.c (addr_const_to_string): Likewise.
13848
13849         PR c++/20375
13850         * function.c (struct assign_parm_data_one): Remove last_named
13851         field.
13852         (assign_parm_find_data_types): Don't determine last_named.
13853         Reorder named_parm determination.
13854         (assign_parms): Only setup varargs on the last non-varadic
13855         parameter.
13856
13857 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
13858
13859         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
13860         sda base address on medium model.
13861
13862 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
13863
13864         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
13865         * cfgloop.c (flow_loop_nodes_find): Export.
13866         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
13867         Declare.
13868         * cfgloopmanip.c (fix_loop_structure): New function.
13869         * predict.c (predict_loops): Clean up the loops information.
13870         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
13871         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
13872         loop structure.
13873         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
13874         (rewrite_into_loop_closed_ssa): Declaration changed.
13875         * tree-loop-linear.c (linear_transform_loops): Add argument to
13876         rewrite_into_loop_closed_ssa call.
13877         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13878         * tree-ssa-loop-im.c (move_computations): Ditto.
13879         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13880         * tree-vectorizer.c (vectorize_loops): Ditto.
13881         * tree-optimize.c: Include cfgloop.h.
13882         (execute_todo): Choose whether to call cleanup_tree_cfg or
13883         cleanup_tree_cfg_loop.
13884         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
13885         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
13886         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
13887         cleanup_tree_cfg_loop call.
13888         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
13889         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
13890         work on part of cfg.
13891
13892 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
13893
13894         PR inline-asm/20314
13895         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
13896         with multiple alternatives.
13897
13898         * stmt.c (parse_output_constraint): Fix a typo.
13899
13900 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
13901
13902         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
13903         assembly directive instead of deprecated "no-generics".
13904
13905 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
13906
13907         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
13908         for non-offsettable memory references to cope with outstanding reload
13909         replacements.
13910         * config/s390/s390.md ("reload_outti"): Call find_replacement to
13911         avoid losing outstanding address reloads.
13912         ("reload_outdi", "reload_outdf"): Likewise.
13913
13914 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13915
13916         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
13917         code.  Add more cbrt transformations.
13918
13919 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13920
13921         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
13922
13923 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
13924
13925         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
13926         NULL_TREE when a given tree is not simplified.
13927         (fold): Return the original tree when any of the functions
13928         mentioned above NULL_TREE.
13929
13930         * fold-const.c (fold_unary, fold_binary): Take decomposed
13931         arguments, code, type, op0, and op1 in case of fold_binary.
13932         (fold): Update calls to fold_unary and fold_binary.
13933
13934 2005-03-09  Roger Sayle  <roger@eyesopen.com>
13935
13936         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
13937         a fndecl and an arglist instead of a CALL_EXPR, exp.
13938
13939 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
13940
13941         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
13942
13943         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
13944
13945         * expr.c (expand_assignment): Remove orig_to_rtx.
13946
13947         * fold-const.c (int_const_binop): Remove no_overflow.
13948
13949         * ifcvt.c (noce_emit_move_insn): Remove inmode.
13950
13951         * loop-iv.c (get_biv_step_1): Remove lhs.
13952
13953         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
13954
13955         * real.c (real_nan): Remove neg.
13956
13957         * function.c (thread_prologue_and_epilogue_insns): Remove i
13958         and newinsn.
13959
13960         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
13961         tb.
13962
13963         * tree-eh.c (tree_could_trap_p): Remove idx.
13964
13965         * tree-into-ssa.c (ann): Remove ann.
13966
13967         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
13968
13969         * tree-sra.c (decide_block_copy): Remove inst_count.
13970
13971         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
13972
13973         * tree-ssa-loop-im.c (lhs): Remove.
13974
13975         * cfgbuild.c (state, STATE, SET_STATE,
13976         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
13977         make_edges.
13978         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
13979         (find_basic_blocks): Set the state of each basic block to
13980         BLOCK_NEW.
13981
13982 2005-03-08  Jeff Law  <law@redhat.com>
13983
13984         * tree-cfg.c (cleanup_control_flow): If removal of a computed
13985         goto results in the removal of edges in the CFG, then we need
13986         to recompute dominators.
13987
13988 2005-03-09  Ben Elliston  <bje@au.ibm.com>
13989
13990         * c-common.c (c_do_switch_warnings): Comment fix.
13991
13992 2005-03-08  Julian Brown  <julian@codesourcery.com>
13993
13994         * Patch from 2005-03-08 reverted for causing regressions and
13995         ppc-darwin bootstrap failure.
13996
13997 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
13998
13999         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
14000         Define the real function for ppc-darwin.
14001         * c-typeck.c (convert_arguments): Check for target-specific
14002         invalid argument call to unprototyped function.
14003         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
14004         New Macro.
14005         * target.h (invalid_arg_for_unprototyped_fn): New field
14006         in struct calls.
14007         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
14008         default target hook.
14009         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
14010         Declare.
14011
14012 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14013
14014         * c-typeck.c (constructor_stack, constructor_range_stack,
14015         initializer_stack): Make them static.
14016
14017         * cfg.c (rbi_pool): Make it static.
14018
14019         * gimple-low.c (lower_stmt_body): Make it static.
14020         * tree-flow.h: Remove the corresponding prototype.  Don't
14021         declare lower_data.
14022
14023         * sched-deps.c (cache_size): Make it static.
14024
14025         * stor-layout.c (lang_adjust_rli): Make it static.
14026
14027 2005-03-08  Julian Brown  <julian@codesourcery.com>
14028
14029         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
14030         from being used for symbols with vague linkage when
14031         HAVE_GAS_COMDAT_GROUP is true.
14032
14033 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
14034
14035         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
14036         nlabel == JUMP_LABEL (jump).
14037
14038 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14039
14040         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
14041         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
14042         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
14043         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
14044
14045 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
14046
14047         PR c/14411
14048         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
14049         * c-common.c (handle_returns_twice): New function.
14050         (c_common_attribute_table): Declare eturns_twice' attribute.
14051         * doc/extend.texi: Document eturns_twice' attribute.
14052         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
14053         (struct tree_decl): Add returns_twice_flag.
14054
14055 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14056
14057         * tree-ssa-phiopt.c: Fix a comment typo.
14058
14059         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
14060         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
14061         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
14062         copyright.
14063
14064 2005-03-08  Richard Henderson  <rth@redhat.com>
14065
14066         * config/alpha/alpha.c (code_for_builtin): Replace special-case
14067         builtin codes with ctzdi2, clzdi2, popcountdi2.
14068         (struct alpha_builtin_def): Add is_const.
14069         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
14070         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
14071         (alpha_init_builtins): Init them.  Set nothrow and const attributes
14072         on builtins.
14073         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
14074         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
14075         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
14076         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
14077         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
14078         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
14079         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
14080         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
14081         (TARGET_FOLD_BUILTIN): New.
14082         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
14083         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
14084         (ffsdi2): Use ctz.
14085         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
14086
14087 2005-03-08  Ira Rosen  <irar@il.ibm.com>
14088
14089         PR tree-optimization/20122
14090         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
14091         condition of access function instead of base.
14092
14093 2005-03-07  Jeff Law  <law@redhat.com>
14094             Steven Bosscher  <stevenb@suse.de>
14095
14096         * tree-cfg.c (find_taken_edge_computed_goto): New function.
14097         (find_taken_edge): Call find_taken_edge_computed_goto as
14098         appropriate.  Allow any gimple invariant rather than just
14099         INTEGER_CST for VAL.
14100         (cleanup_control_flow): Cleanup a computed goto which has turned
14101         into a simple goto.
14102         (tree_merge_blocks): If block B has any forced labels, move
14103         them to the start of block A.
14104         * tree-ssa-dom.c (thread_across_edge): Allow threading across
14105         computed gotos as well.
14106         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
14107         removal of unnecessary computed gotos too.
14108         (lookup_redirection_data): Fix type of INSERT argument.  Callers
14109         updated.
14110
14111 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
14112
14113         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
14114         Remove trailing spaces.
14115
14116         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
14117         unshare_all_trees): Make them static.
14118         * tree-gimple.h: Remove the corresponding prototypes.
14119
14120         * diagnostic.h: Remove unused prototype
14121         debug_output_buffer.
14122         * modulo-sched.c: Remove unused prototype
14123         set_row_column_for_ps.
14124
14125         * tree-ssa-phiopt.c (tree_ssa_phiopt,
14126         replace_phi_edge_with_variable): Remove unused variable i.
14127
14128 2005-03-07  Per Bothner  <per@bothner.com>
14129
14130         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
14131
14132 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
14133
14134         PR tree-opt/17671
14135         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
14136         bbs on the COND_EXPR instead of the PHI_NODEs.
14137         (candidate_bb_for_phi_optimization): Remove.
14138         (replace_phi_with_stmt): Rename to ...
14139         (replace_phi_edge_with_variable): this and change so that we
14140         replace the phi argument instead of removing the PHI.
14141         (conditional_replacement): Change so we deal with PHI with more
14142         than two arguments.
14143         (value_replacement): Likewise.
14144         (abs_replacement): Likewise.
14145
14146 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
14147
14148         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
14149         output_e500_flip_gt_bit.
14150
14151         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
14152         as bit 31.
14153         (rs6000_generate_compare): Fix logic to look at the correct bits.
14154         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
14155         Look at GT bit.
14156         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
14157         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
14158         gen_move_from_CR_gt_bit.
14159
14160         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
14161         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
14162         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
14163
14164         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
14165         (E500_CR_IOR_COMPARE): New constant.
14166
14167 2005-03-08  Earl Chew <earl_chew@agilent.com>
14168             David Billinghurst <David.Billinghurst@riotinto.com>
14169
14170         * config/i386/host-cygwin.c: New file to support precompiled
14171         headers on cygwin
14172         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
14173         * config.host: Use above files for cygwin host.
14174
14175 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
14176
14177         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
14178         ordering ops from earlier change.
14179
14180 2005-03-07  Per Bothner  <per@bothner.com>
14181
14182         Various fixes to allow us to again build if --enable-mapped-location:
14183         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
14184         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
14185         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
14186         local variable loc. Change logic appropriately.
14187         * tree-vect-transform.c (vect_finish_stmt_generation): Use
14188         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
14189         * c-parser.c (c_parser_for_statement): Initialize loc variable.
14190         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
14191         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
14192
14193 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
14194
14195         PR rtl-optimization/19683
14196         * reload1.c (choose_reload_regs): Pass the number of bits, not the
14197         number of bytes, to smallest_int_for_mode.  Fix arguments to
14198         REG_CANNOT_CHANGE_MODE_P.
14199
14200 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14201
14202         * reorg.c (relax_delay_slots): Check that the jump is
14203         conditional before trying to invert it.
14204
14205 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
14206
14207         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
14208         Make them static.
14209
14210         * calls (stack_arg_under_construction): Make it static.
14211
14212         * flow.c (regs_live_at_setjmp): Make it static.
14213         * flow.h: Remove the corresponding prototype.
14214
14215         * reload1.c (reload_startobj, reload_firstobj,
14216         something_needs_operands_changed, reload_inherited,
14217         reload_inheritance_insn, reload_override_in,
14218         reload_spill_index): Make them static.
14219
14220         * recog.c (verify_changes): Make it static.
14221         * recog.h: Remove the corresponding prototype.
14222
14223         * cfgbuild.c (find_sub_basic_blocks): Remove.
14224         * basic-block.h: Remove the corresponding prototype.
14225         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
14226         in comments.
14227         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
14228
14229         * tree-ssa-operands.c (check_build_stmt): Remove.
14230
14231         * stor-layout.c (set_alignment): Remove.
14232         * tree.h: Remove the corresponding prototype.
14233
14234         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
14235
14236         * tree-ssa-dce.c (control_dependence_map,
14237         visited_control_parents): Make them static.
14238
14239         * cfghooks.c (verify_flow_info): Remove local variable
14240         num_bb_notes.
14241
14242         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
14243         last_bb_seen.
14244
14245         * loop-unswitch.c (unswitch_loop): Remove local variable src.
14246
14247 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
14248
14249         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
14250
14251 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
14252
14253         * config/ia64/hpux.h (LINK_SPEC): Add -z.
14254         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
14255         PARALLEL for an empty structure.
14256
14257 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
14258
14259         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
14260
14261         * fold-const.c (fold_binary): Unroll the very first "for"
14262         loop.
14263
14264 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
14265
14266         * config/rs6000/predicates.md (branch_comparison_operator): Remove
14267         redundant match_code test.
14268         (scc_comparison_operator): Swap match_operand and match_code
14269         tests.
14270         (branch_positive_comparison_operator): Same.
14271         (trap_comparison_operator): Use comparison_operator and swap with
14272         match_code test.
14273
14274 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14275
14276         PR target/20288
14277         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
14278         (out_movhi_r_mr): Read low byte of volatile MEM first.
14279         (out_movhi_mr_r): Write high byte of volatile MEM first.
14280
14281 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
14282
14283         * cselib.c (reg_values, reg_values_size): Make them static.
14284
14285         * cse.c (cse_reg_info_table): Make it static.
14286
14287         * fold-const.c (fold_unary): Use build1 instead of copy_node.
14288
14289 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
14290
14291         * cse.c (find_best_addr): Use canon_for_address.
14292
14293 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
14294
14295         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
14296         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
14297         SUBREG and MEM, respectively.
14298
14299         * fold-const.c (fold_binary): Use code instead of t.
14300
14301         * fold-const.c (optimize_minmax_comparison): Take decomposed
14302         arguments code, type, op0, and op1 instead of t.
14303         (fold_binary): Update a call to optimize_minmax_comparison.
14304
14305         * fold-const.c (fold_range_test): Take decomposed arguments
14306         code, type, op0, and op1 instead of t.
14307         (fold_binary): Update a call to fold_range_test.
14308
14309         * fold-const.c (fold_binary_op_with_conditional_arg): Take
14310         decomposed arguments code, type, op0, and op1 instead of t.
14311         (fold_binary): Update a call to fold_range_test.
14312
14313 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
14314
14315         * fold-const.c (fold_binary): Avoid directly using the original
14316         expression t as much as possible.
14317
14318 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
14319
14320         * c-semantics.c (build_stmt): Use TYPE_P instead of
14321         IS_NON_TYPE_CODE_CLASS.
14322         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
14323         (NON_TYPE_CHECK): Use TYPE_P instead of
14324         IS_NON_TYPE_CODE_CLASS.
14325
14326         * fold-const.c (fold): Remove handling of binary expressions.
14327
14328 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
14329
14330         * doc/c-tree.texi: Wrap comments in @r{}.
14331         * doc/cpp.texi: Likewise.
14332         * doc/cppinternals.texi: Likewise.
14333         * doc/extend.texi: Likewise.
14334         * doc/md.texi: Likewise.
14335         * doc/objc.texi: Likewise.
14336         * doc/sourcebuild.texi: Likewise.
14337         * doc/tm.texi: Likewise.
14338         * doc/tree-ssa.texi
14339
14340 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
14341
14342         * predict.c (apply_return_prediction): Standardize PHI chain
14343         walking.
14344         * tree-ssa.c (ssa_redirect_edge): Likewise.
14345
14346         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
14347         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
14348         Update copyright.
14349
14350         * tree-phinodes.c (remove_phi_node): Drop the last argument.
14351         * tree-flow.h: Adjust the prototype for remove_phi_node.
14352         * lambda-code.c (perfect_nestify): Adjust a call to
14353         remove_phi_node.
14354         * tree-cfg.c
14355         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
14356         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
14357         Likewise.
14358         * tree-ssa-dce.c (remove_dead_phis): Likewise.
14359         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14360         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14361         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
14362
14363         * combine.c (simplify_and_const_int): Use gen_int_mode instead
14364         of GEN_INT (trunc_int_for_mode (...)).
14365         * loop-iv.c (iv_number_of_iterations): Likewise.
14366         * postreload.c (reload_cse_move2add): Likewise.
14367         * simplify-rtx.c (simplify_const_unary_operation,
14368         simplify_const_binary_operation): Likewise.
14369         * stor-layout.c (get_mode_bounds): Likewise.
14370
14371         * fold-const.c (fold_binary): New.
14372         (fold): Call fold_binary on binary expressions.
14373
14374 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
14375
14376         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
14377         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
14378         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
14379         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
14380         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
14381
14382 2005-03-04  Devang Patel  <dpatel@apple.com>
14383
14384         PR tree-optimization/18815
14385         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
14386         loops with zero exit edges.
14387
14388 2005-03-04  Devang Patel  <dpatel@apple.com>
14389
14390         * doc/invoke.texi: Remove reference to webpage that does not exist.
14391
14392 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
14393             Joseph S. Myers  <joseph@codesourcery.com>
14394
14395         PR c++/19797
14396         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
14397         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
14398         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
14399         * pa.c (get_plabel): Change argument to symbol_ref.  Call
14400         maybe_get_identifier instead of get_identifier.
14401         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
14402         (struct deferred_plabel): Replace name field with symbol field.
14403         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
14404         ASM_OUTPUT_EXTERNAL_REAL is defined.
14405         (output_global_address): Use output_addr_const for output of all
14406         symbol_refs.
14407         (output_deferred_plabels): Use symbol_ref instead of name for address
14408         output.
14409         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
14410         ASM_OUTPUT_SYMBOL_REF): New macros.
14411         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
14412         comment.
14413         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
14414         label.
14415
14416 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
14417
14418         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
14419         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
14420
14421 2005-03-04  Jeff Law  <law@redhat.com>
14422
14423         * basic-block.h (rediscover_loops_after_threading): Declare.
14424         * tree-ssa-dom.c: Include cfgloop.h.
14425         (tree_ssa_dominator_optimize): Discover loops and some basic
14426         properties.  Remove forwarder blocks recreated by loop header
14427         canonicalization.  Also mark backedges in the CFG.
14428         * tree-ssa-threadupdate.c: Include cfgloop.h
14429         (rediscover_loops_after_threading): Define.
14430         (struct local_info): New field, JUMP_THREADED.
14431         (prune_undesirable_thread_requests): New function.
14432         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
14433         then record that fact for the callers of redirct_edges.
14434         (thread_block): If BB has incoming backedges, then call
14435         prune_undesirable_thraed_requests.    Note when we are
14436         going to have to rediscover loop information.  Return a
14437         boolean indicating if any jumps were threaded.
14438         (thread_through_all_blocks): Bubble up boolean indicating
14439         if any jumps were threaded.
14440         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
14441         (tree-ssa-threadupdate.o): Similarly.
14442
14443 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
14444
14445         * fold-const.c (fold_ternary): Unroll the "for" loop to
14446         extract operands.
14447
14448 2005-03-04  Andrew Haley  <aph@redhat.com>
14449
14450         * unwind-dw2-fde-glibc.c (struct
14451         unw_eh_callback_data.check_cache): New field.
14452         (frame_hdr_cache): New.
14453         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
14454         Cache frame header info.
14455
14456 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
14457
14458         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
14459         (print_c_condition): Declare.
14460         * read-rtl.c (ptr_loc): New structure.
14461         (ptr_locs, ptr_loc_obstack, joined_conditions)
14462         (joined_conditions_obstack): New variables.
14463         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
14464         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
14465         (join_c_conditions, print_c_condition): New functions.
14466         (apply_macro_to_string): Associate the new string with the same
14467         source location as the old one.
14468         (add_condition_to_string): Use join_c_conditions.
14469         (read_string): Use set_rtx_ptr_loc to record a filename and line
14470         number for the string.
14471         (read_rtx): Initialize the new variables above.
14472         * genattrtab.c (write_test_expr, write_attr_value): Use
14473         print_c_condition.
14474         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
14475         comment above the GCC_VERSION check.
14476         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
14477         Inline the definition of MAYBE_EVAL.
14478         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
14479         * genoutput.c (process_template): Likewise.
14480         * genpreds.c (write_predicate_subfunction): Likewise.
14481         (write_predicate_expr): Use print_c_condition.
14482         * genrecog.c (write_cond): Likewise.
14483         * gensupport.c (process_rtx): Use join_c_conditions to join the
14484         conditions of a define_insn_and_split.  Record a source location
14485         for the string after the "&&".
14486         (alter_test_for_insn): Use join_c_conditions.
14487
14488 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
14489
14490         Revert for now:
14491         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
14492         PR tree-optimization/15784
14493         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
14494         and -1 - A to ~A.
14495
14496 2005-03-04  Ben Elliston  <bje@au.ibm.com>
14497
14498         * gcc.c (option_map): Add --coverage.
14499         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
14500         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
14501         * config/darwin.h: Pass -lgcov for `coverage'.
14502         * doc/invoke.texi (Debugging Options): Document --coverage.
14503
14504 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
14505
14506         * gcse.c (bypass_block): Use find_edge wherever possible.
14507
14508 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
14509
14510         Fix PR debug/20253
14511
14512         * c-opts.c (c_common_parse_file): Call start_source_file
14513         and end_source_file at the approriate times.
14514
14515         * dwarf2out.c (dwarf2out_finish): Don't auto-end
14516         the main file, it will be done for us now.
14517
14518 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
14519
14520         * fold-const.c (fold_ternary): New.
14521         (fold): Call fold_ternary on ternary expressions.  Remove
14522         handling of ternary expressions.
14523
14524 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
14525
14526         PR tree-optimization/15784
14527         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
14528         and -1 - A to ~A.
14529
14530 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
14531
14532         * config/rs6000/predicates.md (branch_comparison_operator):
14533         Convert from C block to conditional format.
14534
14535 2005-03-03  Jan Hubicka  <jh@suse.cz>
14536
14537         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
14538         and non-constant public variables.
14539
14540 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
14541
14542         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
14543         with LABEL_EXPR.
14544
14545         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
14546         EDGE_I.
14547
14548         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
14549         calls to release_ssa_name and release_phi_node.
14550
14551         * fold-const.c (fold): Remove handling of unary expressions.
14552
14553         * fold-const.c (fold_unary): Avoid directly using the original
14554         expression t as much as possible.
14555
14556 2005-03-03  Roger Sayle  <roger@eyesopen.com>
14557             Andrew Pinski  <pinskia@physics.uc.edu>
14558
14559         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
14560         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
14561
14562 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
14563
14564         Describe special registers SRP and MOF as allocatable registers.
14565         * config/cris/cris.c (cris_md_asm_clobbers): New function.
14566         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
14567         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
14568         TARGET_HAS_MUL_INSNS.
14569         (cris_print_operand) <case 'd'>: New case.
14570         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
14571         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
14572         define.
14573         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
14574         (REG_ALLOC_ORDER): Update for MOF.
14575         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
14576         SPECIAL_REGS.
14577         (GENERAL_REGS): No longer a define of ALL_REGS.
14578         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
14579         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
14580         Adjust accordingly.
14581         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
14582         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
14583         (SECONDARY_RELOAD_CLASS): Define.
14584         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
14585         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
14586         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
14587         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
14588         (REGISTER_MOVE_COST): Define.
14589         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
14590         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
14591         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
14592         (CRIS_MOF_REGNUM): New define_constants.
14593         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
14594         special registers.
14595         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
14596         New patterns.
14597         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
14598         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
14599         Adjust for MOF being properly described as a register.
14600         (indir_to_reg_split): Name this split.  Conditionalize on the
14601         destination register being a general register.
14602         (movei): Conditionalize on on operands 0 and 1 having the same
14603         register class.
14604
14605 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
14606
14607         PR target/20277
14608         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
14609         -mcpu to override any other explicitly given flags.
14610
14611 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
14612
14613         * recog.c (verify_changes, confirm_change_group): New functions,
14614         broken out of apply_change_group.
14615         (apply_change_group): Use them.
14616         * recog.h (verify_change, confirm_change_group): Declare.
14617         * rtl.h (redirect_jump_2): Declare.
14618         * jump.c (redirect_exp, invert_exp): Delete.
14619         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
14620         (redirect_jump_2): New function, broken out of redirect_jump.
14621         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
14622         (invert_jump): Use invert_jump_1 and redirect_jump_2.
14623         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
14624
14625 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
14626
14627         * varasm.c (named_section): Use xstrdup rather than doing it by
14628         hand.
14629
14630         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
14631
14632 2005-03-02  Devang Patel  <dpatel@apple.com>
14633
14634         Undo PR tree-optimization/18815 fix.
14635
14636 2005-03-02  Devang Patel  <dpatel@apple.com>
14637
14638         PR tree-optimization/18815
14639         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
14640         loops with zero exit edges.
14641
14642 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
14643
14644         * cfg.c (connect_src, connect_dest, disconnect_src,
14645         disconnct_dest): New.
14646         (unchecked_make_edge, remove_edge, redirect_edge_succ,
14647         redirect_edge_pred): Use the new functions.
14648
14649         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
14650         free_dominance_info only when needed.
14651
14652 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
14653
14654         PR target/20276
14655         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
14656         (reg_or_sub_cint64_operand): Same.
14657
14658 2005-03-02  Jeff Law  <law@redhat.com>
14659
14660         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
14661         CFG_ALTERED in the main DOM iteration loop.
14662
14663 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
14664
14665         PR c++/19916
14666         * varasm.c (initializer_constant_valid_p): Allow conversions
14667         between OFFSET_TYPEs.  Tidy.
14668
14669 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
14670
14671         * config/cris/cris.md ("return"): Remove epilogue delay list
14672         sanity check.
14673
14674 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
14675
14676         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
14677         for Thumb.
14678         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
14679
14680 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
14681
14682         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
14683         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
14684         config/m68k/m68k.c, config/mips/mips.h,
14685         config/rs6000/rs6000-protos.h, doc/contrib.texi,
14686         doc/include/gcc-common.texi: Update copyright.
14687
14688         PR middle-end/18029 and PR middle-end/18030
14689         * expr.c (optimize_bitfield_assignment_op): Add a special case
14690         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
14691
14692         * fold-const.c (fold_unary): New.
14693         (fold): Call fold_unary on unary expressions.
14694
14695 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
14696
14697         * cgraph.h (struct cgraph_edge): Add prev_caller and
14698         prev_callee fields.
14699         (cgraph_node_remove_callees): Export.
14700         * cgraph.c (cgraph_create_edge): Initialize prev_caller
14701         and prev_callee.
14702         (cgraph_edge_remove_callee): New function.
14703         (cgraph_edge_remove_caller): Likewise.
14704         (cgraph_remove_edge): Use.
14705         (cgraph_redirect_edge_callee): Likewise.
14706         (cgraph_node_remove_callees): New function.
14707         (cgraph_node_remove_callers): Likewise.
14708         (cgraph_remove_node): Use.
14709         * tree-optimize.c (tree_rest_of_compilation): Use
14710         cgraph_node_remove_callees instead of manual loop.
14711         * cgraphunit.c (cgraph_finalize_function): Likewise.
14712         (cgraph_expand_function): Likewise.
14713         (cgraph_remove_unreachable_nodes): Likewise.
14714
14715 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
14716
14717         PR c/8927
14718         * c-tree.h (undeclared_variable, build_external_ref): Add extra
14719         argument.
14720         * c-decl.c (undeclared_variable): Take location as argument.
14721         * c-typeck.c (build_external_ref): Likewise.
14722         * c-parser.c (c_parser_postfix_expression): Pass location of
14723         identifier to build_external_ref.
14724
14725 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
14726
14727         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
14728         CCEQ mode for branch_positive_comparison_operator test.
14729         * config/rs6000/predicates (branch_comparison_operator): Revert to
14730         define_predicate.
14731         (scc_comparison_operator): Same.
14732         (branch_positive_comparison_operator): Same.
14733
14734 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
14735
14736         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
14737         (cris_delay_slots_for_epilogue): Remove.
14738         (save_last): Move into cris_target_asm_function_epilogue.
14739         (cris_target_asm_function_epilogue): Remove tests for file being
14740         NULL.
14741         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
14742         (cris_delay_slots_for_epilogue): Remove prototypes.
14743         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
14744         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
14745
14746 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
14747
14748         * config/rs6000/predicates.md (branch_comparison_operator): Change
14749         to define_special_predicate.
14750         (scc_comparison_operator): Same.
14751         (branch_positive_comparison_operator): Same.
14752
14753 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
14754
14755         * Makefile.in (tree-ssa-sink.o): New.
14756         (OBJS-common): Add tree-ssa-sink.o.
14757         * common.opt: Add -ftree-sink
14758         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
14759         * timevar.def (TV_TREE_SINK): new timevar.
14760         * tree-flow.h (is_hidden_global_store): Prototype.
14761         * tree-optimize.c (init_tree_optimization_passes): Add
14762         pass_sink_code.
14763         * tree-pass.h (pass_sink_code): New.
14764         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
14765         for non-obvious global store store to is_hidden_global_store, and
14766         call that new function.
14767         * tree-ssa-sink.c: New file.
14768         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
14769         * doc/passes.texi: Document forward store motion.
14770         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
14771         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
14772         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
14773         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
14774
14775 2005-03-01  Per Bothner  <per@bothner.com>
14776
14777         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
14778         and we have a non-zero column-number, add it to the message.
14779         Also factor out the diagnostic_kind_text.
14780
14781 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
14782
14783         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
14784         flow_loop_pre_header_scan, flow_loop_pre_header_find,
14785         flow_loop_scan): Removed.
14786         (flow_loop_dump): Do not dump removed fields.
14787         (flow_loop_free): Do not free removed fields.
14788         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
14789         (loop_exit_edge_p): New function.
14790         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
14791         num_pre_header_edges, entry_edges, num_entries, exit_edges,
14792         num_exits, exits_doms.
14793         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
14794         LOOP_EDGES, LOOP_ALL): Removed.
14795         (flow_loop_scan): Declaration removed.
14796         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
14797         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
14798         flow_loops_find.
14799         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
14800         (if_convert): Call flow_loops_find and flow_loops_free
14801         when calling mark_loop_exit_edges.
14802         * cfgloopanal.c (mark_loop_exit_edges): Moved from
14803         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
14804         free_dominance_info calls.
14805         * loop-init.c (flow_loops_find): Ditto.
14806         * passes.c (rest_of_handle_branch_prob): Ditto.
14807         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
14808         * loop-unroll.c (analyze_insns_in_loop): Do not use
14809         EDGE_LOOP_EXIT.
14810         * predict.c (predict_loops): Do not call flow_loop_scan.
14811         Use get_loop_exit_edges.
14812         (tree_estimate_probability): Do not pass flags to flow_loops_find.
14813         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
14814         Do not use EDGE_LOOP_EXIT.
14815         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
14816         to bb_with_exit_edge_p.
14817         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
14818         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
14819         to bb_with_exit_edge_p.
14820         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
14821         EDGE_LOOP_EXIT.
14822         * tree-loop-linear.c (linear_transform_loops): Do not call
14823         flow_loop_scan.  Use loop->single_exit.
14824         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
14825         (vect_analyze_loop_form): Do not call flow_loop_scan.
14826         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
14827         loop->single_exit.
14828         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
14829         loop->single_exit.
14830         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
14831         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
14832         slpeel_tree_duplicate_loop_to_edge_cfg,
14833         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
14834         Use loop_preheader_edge and loop->single_exit.  Do not call
14835         flow_loop_scan.
14836
14837 2005-03-01  Nick Clifton  <nickc@redhat.com>
14838
14839         * config/arm/arm.c (thumb_find_work_register): Check all of the
14840         argument registers to see if they are free, and a couple of
14841         special cases where the last argument register but can be proved
14842         to be available during the function's prologue.
14843         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
14844         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
14845         thumb_unexpanded_epilogue): Use unsigned long as the type for the
14846         register bit-mask.
14847         (thumb_compute_save_reg_mask): Likewise.  Also use
14848         thumb_find_work_register() to ensure that there is agreement about
14849         which work register is going to be used in the prologue.
14850         (thumb_output_function_prologue): Use unsigned long as the type
14851         for the register bit-mask.  Also delay pushing the link register if
14852         other high registers are going to be pushed.
14853         (thumb_compute_save_reg_mask, emit_multi_reg_push,
14854         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
14855         redundant prototypes.
14856
14857 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
14858
14859         PR target/19819
14860         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
14861         and after reload in REG+REG indexed addresses without REG_POINTER
14862         set in the base and not set in the index.
14863
14864 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
14865
14866         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
14867         Don't undefine here.
14868         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
14869         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
14870         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
14871         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
14872         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
14873         Delete.
14874         * config.gcc (sh*-*-linux*): Use config/linux.h.
14875
14876 2005-02-28  Dale Johannesen  <dalej@apple.com>
14877             Stan Shebs  <shebs@apple.com>
14878
14879         Rewrite of 64-bit Darwin structure-by-value pass/return.
14880         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
14881         intoffset, use_stack, named.
14882         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
14883         (rs6000_darwin64_record_arg_advance_flush):  New.
14884         (rs6000_darwin64_record_arg_advance_recurse): New.
14885         (rs6000_darwin64_record_arg_flush):  New.
14886         (rs6000_darwin64_record_arg_recurse):  New.
14887         (rs6000_darwin64_record_arg):  New.
14888         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
14889         (function_arg_boundary):  Handle 128-bit aligned structs.
14890         (function_arg_advance):  Rewrite darwin64 struct handling.
14891         (function_arg):  Call rs6000_darwin64_record_arg.
14892         (function_arg_partial_nregs):  Handle darwin64 structs.
14893         (rs6000_darwin64_function_value):  Remove.
14894         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
14895
14896 2005-02-28  Roger Sayle  <roger@eyesopen.com>
14897
14898         PR tree-optimization/20216
14899         * tree-chrec.c (tree_fold_factorial): Delete.
14900         (tree_fold_binomial): Change argument list to take a return type
14901         and change the type of K to unsigned int.  Rewrite to avoid explicit
14902         evaluation of factorials, and (recursively) calling fold to perform
14903         compile-time arithmetic.  Return NULL on (internal) overflow.
14904         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
14905         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
14906         if any intermediate calculation overflows.
14907         (chrec_apply): Update call to chrec_evaluate.
14908
14909 2005-02-28  James E Wilson  <wilson@specifixinc.com>
14910
14911         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
14912
14913 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
14914
14915         PR c/20245
14916         * c-parser.c (c_parser_compound_statement): Return error_mark_node
14917         instead of NULL_TREE on error.
14918
14919 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
14920
14921         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
14922         (EASY_VECTOR_15_ADD_SELF): Remove.
14923         (num_insns_constant_wide): Not static.
14924         (validate_condition_mode): Not static.
14925         (toc_relative_expr_p): Not static.
14926         (legitimate_indirect_address_p): Not static.
14927         (macho_lo_sum_memory_operand): Not static.
14928         (invalid_e500_subreg): Not static.
14929         (easy_vector_same): Not static.
14930         (easy_vector_splat_const): Not static.
14931         (RS6000_SYMBOL_REF_TLS_P): Remove.
14932         (any_operand): Delete.
14933         (any_parallel_operand): Delete.
14934         (count_register_operand): Delete.
14935         (altivec_register_operand): Delete.
14936         (xer_operand): Delete.
14937         (s8bit_cint_operand): Delete.
14938         (short_cint_operand): Delete.
14939         (u_short_cint_operand): Delete.
14940         (non_short_cint_operand): Delete.
14941         (exact_log2_cint_operand): Delete.
14942         (gpc_reg_operand): Delete.
14943         (cc_reg_operand): Delete.
14944         (cc_reg_not_cr0_operand): Delete.
14945         (reg_or_short_operand): Delete.
14946         (reg_or_neg_short_operand): Delete.
14947         (reg_or_aligned_short_operand): Delete.
14948         (reg_or_u_short_operand): Delete.
14949         (reg_or_cint_operand): Delete.
14950         (reg_or_arith_cint_operand): Delete.
14951         (reg_or_add_cint64_operand): Delete.
14952         (reg_or_sub_cint64_operand): Delete.
14953         (reg_or_logical_cint_operand): Delete.
14954         (got_operand): Delete.
14955         (got_no_const_operand): Delete.
14956         (easy_fp_constant): Delete.
14957         (easy_vector_constant): Delete.
14958         (easy_vector_constant_add_self): Delete.
14959         (zero_constant): Delete.
14960         (zero_fp_constant): Delete.
14961         (volatile_mem_operand): Delete.
14962         (offsettable_mem_operand): Delete.
14963         (mem_or_easy_const_operand): Delete.
14964         (add_operand): Delete.
14965         (non_add_cint_operand): Delete.
14966         (logical_operand): Delete.
14967         (non_logical_cint_operand): Delete.
14968         (mask_operand): Delete.
14969         (mask_operand_wrap): Delete.
14970         (mask64_operand): Delete.
14971         (mask64_2_operand): Delete.
14972         (and64_operand): Delete.
14973         (and64_2_operand): Delete.
14974         (and_operand): Delete.
14975         (reg_or_mem_operand): Delete.
14976         (lwa_operand): Delete.
14977         (symbol_ref_operand): Delete.
14978         (call_operand): Delete.
14979         (current_file_function_operand): Delete.
14980         (input_operand): Delete.
14981         (rs6000_nonimmediate_operand): Delete.
14982         (rs6000_tls_symbol_ref): Delete.
14983         (save_world_operation): Delete.
14984         (restore_world_operation): Delete.
14985         (load_multiple_operation): Delete.
14986         (store_multiple_operation): Delete.
14987         (vrsave_operation): Delete.
14988         (mfcr_operation): Delete.
14989         (mtcrf_operation): Delete.
14990         (lmw_operation): Delete.
14991         (stmw_operation): Delete.
14992         (branch_comparison_operator): Delete.
14993         (branch_positive_comparison_operator): Delete.
14994         (scc_comparison_operator): Delete.
14995         (trap_comparison_operator): Delete.
14996         (boolean_operator): Delete.
14997         (boolean_or_operator): Delete.
14998         (min_max_operator): Delete.
14999         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
15000         (EASY_VECTOR_15): Moved to here.
15001         (EASY_VECTOR_15_ADD_SELF): Move to here.
15002         (PREDICATE_CODES): Delete.
15003         * config/rs6000/rs6000-protos.h: Delete predicate functions.
15004         Declare functions no longer static.
15005         * config/rs6000/predicates.md: New.
15006         * config/rs6000/rs6000.md: Include predicates.md
15007
15008 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
15009
15010         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
15011         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
15012         REG_ALWAYS_RETURN.
15013         * cfgrtl.c (need_fake_edge_p): Likewise.
15014         * combine.c (distribute_notes): Likewise.
15015         * emit-rtl.c (try_split): Likewise.
15016         * recog.c (peephole2_opimize): Likewise.
15017         * reg-notes.def (ALWAYS_RETURN): Remove.
15018         * rtl.h (LCT_ALWAYS_RETURN): Remove.
15019         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
15020         * tree.h (ECF_ALWAYS_RETURN): Remove.
15021
15022 2005-02-28  Roger Sayle  <roger@eyesopen.com>
15023
15024         PR middle-end/19874
15025         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
15026         between different machine modes is never a "useless" conversion.
15027
15028 2005-02-28  Geert Bosch  <bosch@gnat.com>
15029
15030         PR ada/15977
15031         * doc/contrib.texi: List contributors for Ada front end
15032
15033 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
15034
15035         * simplify-rtx.c (simplify_unary_operation_1,
15036         simplify_const_unary_operation): New, extracted from...
15037         (simplify_unary_operation): ... this one.
15038         (simplify_binary_operation_1,
15039         simplify_const_binary_operation): New, extracted from...
15040         (simplify_binary_operation): ... this one.
15041         * rtl.h (simplify_const_unary_operation,
15042         simplify_const_binary_operation): Add prototypes.
15043
15044 2005-02-28  Julian Brown  <julian@codesourcery.com>
15045
15046         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
15047         building libjava and caused PR regression/20228.
15048
15049 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
15050
15051         PR bootstrap/17383
15052         * Makefile.in (host_subdir): New.
15053         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
15054         * configure: Regenerate.
15055
15056 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
15057
15058         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
15059         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
15060         installation directory first.
15061
15062 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
15063
15064         PR target/19065.
15065         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
15066         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
15067         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
15068         * config/cris/cris.md: Tweak comments referring to Q.
15069         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
15070         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
15071         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
15072         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
15073         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
15074         Insert spaces in constraints to align alternatives vertically for
15075         readability.
15076         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
15077         operand 1: "M".
15078
15079 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15080
15081         PR rtl-optimization/17728
15082         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
15083         operand 0 from general_operand to move_dest_operand.
15084
15085 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15086
15087         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
15088         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
15089         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
15090         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
15091
15092 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
15093
15094         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
15095         * configure: Regenerate.
15096         * libada-mk.in: Remove CC; rename
15097         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
15098
15099 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
15100
15101         PR tree-opt/20188
15102         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
15103         for the lhs, also walk over the tree.  Likewise for rhs.
15104
15105 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
15106
15107         * tree-ssa-dom.c (simple_iv_increment_p): New function.
15108         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
15109         Do not propagate value of iv before increment over the increment.
15110
15111 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
15112
15113         * c-parser.c: New file.
15114         * c-parse.in: Remove.
15115         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
15116         Remove.
15117         (c-parser.o): Add dependencies.
15118         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
15119         maintainer-clean, TAGS): Update.
15120         * c-config-lang.in (gtfiles): Update.
15121         * gengtype-lex.l: Don't handle "@@".
15122         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
15123         objc_build_synchronized, objc_begin_try_stmt,
15124         objc_begin_catch_clause, objc_finish_catch_clause,
15125         objc_build_finally_clause, objc_finish_try_stmt): New.
15126         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
15127         type_seen_p.
15128         (c_parse_init): Update comment.
15129         * c-decl.c (c_init_decl_processing): Update comment.
15130         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
15131         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
15132         new c_declspecs members.
15133
15134 2005-02-25  Julian Brown  <julian@codesourcery.com>
15135
15136         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
15137         from being used for symbols with vague linkage when
15138         HAVE_GAS_COMDAT_GROUP is true.
15139
15140 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
15141
15142         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
15143
15144 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
15145
15146         PR target/19930
15147         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
15148         (LIBGCC2_HAS_DF_MODE): New.
15149         (LIBGCC2_HAS_XF_MODE): New.
15150         (LIBGCC2_HAS_TF_MODE): New.
15151         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
15152         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
15153         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
15154         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
15155         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
15156         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
15157         and add _fixtfdi, _fixunstfdi, _floatditf
15158         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
15159         L_fixunstfdi, L_floatditf.
15160         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
15161         (LIBGCC2_HAS_TF_MODE): Define.
15162
15163 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
15164
15165         PR tree-optimization/20204
15166         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
15167         REWRITE_THIS_STMT markers on PHI nodes.
15168         (rewrite_initialize_block): Likewise.
15169
15170 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
15171
15172         * version.c (version_string): Update to 4.1.
15173
15174 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
15175
15176         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
15177         Clarify that the alternative way doesn't work in GNU C++.
15178
15179 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
15180
15181         PR tree-optimization/19937
15182         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
15183         to the type of the induction variable.
15184
15185 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
15186
15187         PR rtl-optimization/20117
15188         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
15189         the block including noncopyable insn.
15190
15191 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
15192
15193         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
15194         calls to find_reg_note.
15195
15196 2005-02-24  Richard Henderson  <rth@redhat.com>
15197
15198         PR tree-opt/20127
15199         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
15200         the type.
15201
15202 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
15203
15204         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
15205         vector types if to use base reg for misaligned non-word ld/std.
15206
15207 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
15208
15209         PR target/14619
15210         * config/cris/cris.c (cris_target_asm_function_prologue): Create
15211         dwarf2 label manually and put it after, not before the prologue.
15212
15213 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
15214
15215         PR target/19019
15216         * reload.c (operands_match_p): Only increment register number for
15217         SCALAR_INT_MODE_P modes in multiple hard registers.
15218
15219         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
15220         Fix formatting.
15221
15222 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
15223
15224         * ChangeLog.5: Fix log message typo(s).
15225         * ChangeLog.7: Likewise.
15226         * ChangeLog.tree-ssa: Likewise.
15227         * cfgexpand.c: Fix comment typo(s).
15228         * conflict.c: Likewise.
15229         * defaults.h: Likewise.
15230         * dwarf2out.c: Likewise.
15231         * gcse.c: Likewise.
15232         * ggc-page.c: Likewise.
15233         * tree-eh.c: Likewise.
15234         * tree-ssa-dom.c: Likewise.
15235
15236 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
15237
15238         PR target/19019
15239         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
15240         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
15241         if SHARED is defined.
15242
15243         PR target/20196
15244         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
15245         allow splitting only if operands 0 and 3 don't overlap.
15246
15247 2005-02-24  Richard Henderson  <rth@redhat.com>
15248
15249         PR middle-end/19953
15250         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
15251         (fold_builtin_1): Call them.
15252         * fold-const.c (fold_complex_mult_parts): Split out from ...
15253         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
15254         (fold_complex_div_parts, fold_complex_div): New.
15255         (fold): Use them.
15256         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
15257
15258 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15259
15260         * tree-ssa-ccp.c (visit_assignment): Verify that result of
15261         VIEW_CONVERT_EXPR is_gimple_min_invariant.
15262
15263         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
15264         (print_node): Likewise.
15265         Print TYPE_SIZES_GIMPLIFIED.
15266
15267 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
15268
15269         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
15270         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
15271         operands as commutative in constraints.
15272
15273 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
15274
15275         * tree-into-ssa.c: Re-organize internal functions.
15276
15277 2005-02-24  Richard Henderson  <rth@redhat.com>
15278
15279         PR middle-end/18902
15280         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
15281         for c99.
15282         * common.opt (fcx-limited-range): New.
15283         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
15284         * toplev.c (flag_complex_method): Initialize to 1.
15285         (process_options): Set flag_complex_method to 0 if
15286         flag_cx_limited_range.
15287         * doc/invoke.texi (-fcx-limited-range): New.
15288
15289 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
15290
15291         * cse.c (delete_trivially_dead_insns): Speed up by using
15292         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
15293         prev_real_insn.
15294
15295 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
15296
15297         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
15298         functions when -mid-shared-library is being used.
15299
15300 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
15301
15302         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
15303         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
15304         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
15305         * system.h: Poison LINK_LIBGCC_SPECIAL.
15306
15307 2005-02-23  James E Wilson  <wilson@specifixinc.com>
15308
15309         * gengtype.c (note_insn_name): Make 1 element larger.
15310
15311 2005-02-23  Roger Sayle  <roger@eyesopen.com>
15312
15313         PR target/20018
15314         PR rtl-optimization/20097
15315         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
15316         BImode SUBREGs of SImode registers which confuse the ia64 backend.
15317
15318 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
15319
15320         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
15321         * t-aix52 (SHLIB_INSTALL): Same.
15322
15323 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
15324
15325         * genpreds.c: Update copyright.
15326
15327 2005-02-23  Michael Beach  <michaelb@ieee.org>
15328
15329         PR target/20159
15330         * config/sparc/t-elf (startup files): Assemble with CPP.
15331
15332 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
15333
15334         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
15335         (write_predicate_expr): Likewise.
15336
15337 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
15338
15339         PR tree-optimization/20100
15340         PR tree-optimization/20115
15341         * tree-optimize.c (init_tree_optimization_passes): Remove
15342         pass_maybe_create_global_var.
15343         * tree-pass.h (pass_maybe_create_global_var): Remove.
15344         * tree-ssa-alias.c (aliases_computed_p): Declare.
15345         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
15346         (count_calls_and_maybe_create_global_var): Remove.
15347         (pass_maybe_create_global_var): Remove.
15348         (init_alias_info): Do not declare aliases_computed_p.
15349         (maybe_create_global_var): If the function contains no
15350         call-clobbered variables and a mix of pure/const and regular
15351         function calls, create .GLOBAL_VAR.
15352         Mark all call-clobbered variables for renaming.
15353         (merge_pointed_to_info): Update comment.
15354         (add_pointed_to_var): Likewise.
15355         (is_escape_site): Likewise.
15356         Accept struct alias_info * instead of size_t *.
15357         Update all users.
15358         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
15359         as necessary.
15360         * tree-ssa-operands.c (get_call_expr_operands): If
15361         ALIASES_COMPUTED_P is false, do not add call-clobbering
15362         operands.
15363         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
15364         (delete_tree_ssa): Likewise.
15365
15366 2005-02-22  James E Wilson  <wilson@specifixinc.com>
15367
15368         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
15369         (do_compile): Do call it here.
15370
15371 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
15372
15373         PR rtl-optimization/20017.
15374         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
15375         rest_of_handle_cse2, rest_of_handle_gcse): Call
15376         delete_dead_jumptables immediately before calling cleanup_cfg.
15377
15378 2005-02-22  Devang Patel  <dpatel@apple.com>
15379
15380         PR 19952
15381         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
15382         all labels
15383
15384 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
15385
15386         * config/rs6000/aix.h (WINT_TYPE): Define.
15387
15388 2005-02-22  Stan Shebs  <shebs@apple.com>
15389
15390         * config/rs6000/rs6000.c (rs6000_override_options): Default to
15391         natural alignment for 64-bit Darwin.
15392         (rs6000_parse_alignment_option): Warn about uses of -malign-power
15393         on 64-bit Darwin.
15394         * doc/invoke.texi: Document this.
15395
15396 2005-02-22  DJ Delorie  <dj@redhat.com>
15397
15398         * c-common.c (c_common_type_for_mode): Pass the mode's precision
15399         to make_[un]signed_type, not the mode itself.
15400
15401 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
15402
15403         * cfg.c (cached_make_edge): Call make_edge if edge cache is
15404         not available.  Use tail calls wherever possible.
15405         (make_edge): Call unchecked_make_edge to create an edge.
15406
15407         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
15408         (coalesce_ssa_name): Don't check for
15409         SSANORM_USE_COALESCE_LIST.
15410         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
15411
15412 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
15413
15414         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
15415         (rewrite_into_ssa): ... here.
15416
15417 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
15418
15419         PR tree-optimization/19786
15420         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
15421         tag to another's may-alias bitmap when adding to the other's list.
15422
15423 2005-02-21  DJ Delorie  <dj@redhat.com>
15424
15425         * tree-ssa-loop-ivopts.c (computation_cost): Start register
15426         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
15427         registers in unsupported ways.
15428         * expmed.c (init_expmed): Likewise.
15429
15430 2005-02-21  Stan Cox  <scox@redhat.com>
15431
15432         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
15433
15434 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
15435
15436         * tree-cfg.c (fold_cond_expr_cond): New.
15437         (make_edges): Call fold_cond_expr_cond.
15438         (find_taken_edge): Accept nothing but INTEGER_CST.
15439         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
15440         and 1.
15441         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
15442
15443         * flow.c (delete_dead_jumptables): Speed up by scanning insns
15444         that do not belong to any basic block.
15445
15446 2005-02-21  Jeff Law  <law@redhat.com>
15447
15448         * cfganal.c (find_unreachable_blocks): Manually CSE load of
15449         e->dest.
15450
15451 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
15452
15453         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
15454         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
15455         Adjust their definitions.
15456         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
15457         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
15458
15459         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
15460         genautomata.c, langhooks.c, langhooks.h, system.h,
15461         config/arm/lib1funcs.asm: Update copyright.
15462
15463 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
15464
15465         * dbxout.c (dbxout_function_end): Emit Lscope label always.
15466
15467 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
15468
15469         PR bootstrap/13770
15470         * doc/install.texi: Document --with-gc.
15471
15472 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
15473
15474         * simplify-rtx.c (simplify_unary_operation): Add a missing
15475         "break" statement.
15476
15477 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
15478
15479         PR tree-optimization/18663
15480         * tree-ssa-dom.c (extract_range_from_cond): Return 0
15481         if the type has variable bounds.
15482
15483 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
15484
15485         * gcse.c: Remove an obsolete comment.
15486
15487         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
15488
15489 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
15490
15491         * doc/extend.texi (Function Attributes) <Attribute const>: The
15492         attribute "pure" is below this text, not above.
15493
15494 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15495
15496         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
15497         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
15498         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
15499
15500 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
15501
15502         PR 18785
15503         * langhooks.h (struct lang_hooks): Add to_target_charset.
15504         * langhooks.c (lhd_to_target_charset): New function.
15505         * langhooks-def.h: Declare lhd_to_target_charset.
15506         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
15507         (LANG_HOOKS_INITIALIZER): Update.
15508         * c-common.c (c_common_to_target_charset): New function.
15509         * c-common.h: Declare it.
15510         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
15511         c_common_to_target_charset.
15512
15513         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
15514         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
15515         Delete definitions.
15516         * system.h: Poison them.
15517         * doc/tm.texi: Don't discuss them.
15518         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
15519         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
15520         (pp_c_char): Do not attempt to generate letter escapes for
15521         newline, tab, etc.
15522         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
15523         * config/mips/mips.c (mips_output_ascii): Likewise.
15524
15525 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
15526
15527         PR tree-optimization/19951
15528         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
15529         is abnormal.
15530
15531 2005-02-19  Steven Bosscher  <stevenb@suse.de>
15532
15533         PR middle-end/19698
15534         * function.h (struct function): New field `max_loop_depth'.
15535         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
15536         (flow_loops_find): Reset the max loop depth count before finding loops.
15537         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
15538         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
15539         (calculate_global_regs_live): Make sure the loop will terminate
15540         when the initial sets are not empty.
15541
15542 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
15543
15544         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
15545         object inside.
15546         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
15547
15548 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
15549
15550         PR other/19525
15551         * doc/invoke.texi: Remove documentation of %M spec.
15552         * gcc.c: Likewise.
15553         (init_spec): Remove %M suffix from -lgcc_s.
15554         (do_spec_1): Remove 'M' case.
15555         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
15556         to put shared libraries in the multilib directory.  Remove the
15557         shlib_so_soname substitution variable.  Don't add a multilib encoding
15558         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
15559         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
15560         SHLIB_INSTALL as well as SHLIB_LINK.
15561         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
15562         (SHLIB_NAME): Delete.
15563         (SHLIB_DIR): New macro.
15564         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
15565         (SHLIB_INSTALL): Adjust accordingly.
15566         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
15567         * config/t-slibgcc-sld: Likewise.
15568         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
15569         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
15570         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
15571         in $(SHLIB_DIR).
15572         (SHLIBUNWIND_INSTALL): Adjust accordingly.
15573         * config/i386/t-nwld (SHLIB_SONAME): Delete.
15574         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
15575         Use @shlib_base_name@ instead of @shlib_so_name@.
15576         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
15577         and @shlib_base_name@.so in @multilib_dir@.
15578         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
15579         to the install path.
15580         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
15581         (SHLIB_LINK): Remove previous workaround.
15582         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
15583         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
15584         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
15585         the install path.
15586         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
15587         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
15588         (SHLIB_INSTALL): Adjust accordingly.
15589         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
15590         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
15591         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
15592         config/t-slibgcc-elf-ver.
15593
15594 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
15595             Jakub Jelinek  <jakub@redhat.com>
15596
15597         PR tree-optimization/19828
15598         * tree-ssa-loop-im.c: Add a TODO comment.
15599         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
15600         without side-effects.
15601
15602 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
15603
15604         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
15605         call fold_convert.
15606
15607 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
15608
15609         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
15610         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
15611         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
15612         functions.
15613         (ia64_reorg): Delete fixup_errata call.
15614         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
15615         (TARGET_SWITCHES): Delete -mb-step entry.
15616
15617 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
15618
15619         PR c/20043
15620         * c-typeck.c (composite_type): Handle quals in transparent unions.
15621         (type_lists_compatible_p): Likewise.
15622
15623 2005-02-18  Stan Shebs  <shebs@apple.com>
15624
15625         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
15626         expressions in the .literal8 section.
15627
15628 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
15629
15630         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
15631
15632 2005-02-18  Roger Sayle  <roger@eyesopen.com>
15633
15634         * fold-const.c (constant_boolean_node): Always create values of the
15635         specified type, don't bother calling truthvalue_conversion.
15636
15637 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
15638
15639         * except.c (output_function_exception_table): Call
15640         assemble_external_libcall (eh_personality_libfunc).
15641
15642 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
15643
15644         PR target/19886
15645         * config/ia64/ia64.h (struct machine_function): Add state_num.
15646         * config/ia64/ia64.c (process_epilogue,
15647         process_for_unwind_directive): Use new unwind state numbers each
15648         time rather than state 1.
15649
15650 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
15651
15652         PR target/20054
15653         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
15654         before the "*llgt_didi" pattern.
15655
15656 2005-02-18  Jason Merrill  <jason@redhat.com>
15657
15658         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
15659
15660 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
15661
15662         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
15663         (div0): Use it in place of ARM_FUNC_ALIAS.
15664         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
15665
15666 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
15667
15668         PR middle-end/20030
15669         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
15670         access, the lower bound of the array type if it exists.
15671
15672 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
15673
15674         PR c++/20008
15675         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
15676         cases that are out-of-range for the index type.
15677
15678 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
15679
15680         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
15681         (estimate_case_costs): Don't call convert.
15682         * expmed.c (expand_shift): Likewise.
15683         (make_tree): Call fold_convert instead of convert.
15684
15685 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
15686
15687         PR c++/19813
15688         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
15689         that ref to be marked MEM_READONLY_P doesn't have base that needs
15690         constructing.
15691
15692 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
15693
15694         * genautomata.c (output_get_cpu_unit_code_func,
15695         output_cpu_unit_reservation_p): Don't generate old-style function
15696         definitions.
15697
15698 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
15699
15700         PR c++/20023
15701         PR tree-optimization/20009
15702         * convert.c (convert_to_integer): Revert 2005-02-16 change.
15703
15704         PR tree-optimization/18947
15705         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
15706         inline, remove all nodes that are inlined into the extern inline
15707         being redefined.
15708
15709 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
15710
15711         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
15712         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
15713         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
15714         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
15715         Update copyright.
15716
15717 2005-02-17  Roger Sayle  <roger@eyesopen.com>
15718
15719         PR tree-optimization/19917
15720         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
15721         to be potentially trapping.
15722
15723 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
15724
15725         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
15726
15727 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
15728
15729         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
15730         tem becomes a local variable which is set to the value of the
15731         back end defined INITIAL_FRAME_ADDRESS macro.
15732         (expand_builtin_frame_address): Omit the base parameter to
15733         expand_builtin_return_addr.
15734         (expand_builtin_profile_func): Likewise.
15735         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
15736         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
15737         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
15738
15739 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
15740
15741         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
15742         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
15743         * config/frv/frv.c (frv_function_epilogue): Likewise.
15744
15745 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
15746
15747         * lambda-code (perfect_nestify): Remove mark/unmark
15748         for rewriting hack.
15749         * tree-loop-linear.c (linear_transform_loops): Add
15750         rewrite_into_ssa call so that ssa is correct for
15751         rewriting into loop closed.
15752
15753 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
15754
15755         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
15756         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
15757         BITMAP_FREE.
15758         * bt-load.c (btr_def_live_range, combine_btr_defs,
15759         migrate_btr_def, migrate_btr_defs): Likewise.
15760         * cfgcleanup.c (thread_jump): Likewise.
15761         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
15762         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
15763         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
15764         df_rd_local_compute, df_reg_info_compute): Likewise.
15765         * dominance.c (init_dom_info, free_dom_info): Likewise.
15766         * flow.c (init_propagate_block_info,
15767         free_propagate_block_info): Likewise.
15768         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
15769         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
15770         modify_reg_pav): Likewise.
15771         * loop-invariant.c (find_defs, find_invariant_insn,
15772         find_invariants, free_inv_motion_data): Likewise.
15773         * predict.c (tree_predict_by_opcode,
15774         estimate_bb_frequencies): Likewise.
15775         * stmt.c (expand_case): Likewise.
15776         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
15777         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
15778         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
15779         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
15780         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
15781         rewrite_ssa_into_ssa): Likewise.
15782         * tree-optimize.c (tree_rest_of_compilation): Likewise.
15783         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
15784         analyze_edges_for_bb, perform_edge_inserts): Likewise.
15785         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
15786         * tree-sra.c (tree_sra): Likewise.
15787         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
15788         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
15789         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
15790         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
15791         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
15792         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
15793         Likewise.
15794         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
15795         calculate_live_on_entry, calculate_live_on_exit,
15796         build_tree_conflict_graph): Likewise.
15797         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
15798         record_important_candidates, set_use_iv_cost, find_depends,
15799         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
15800         tree_ssa_iv_optimize_finalize): Likewise.
15801         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
15802         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
15803         tree_duplicate_loop_to_header_edge): Likewise.
15804         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
15805         * tree-ssa.c (verify_flow_insensitive_alias_info,
15806         verify_name_tags, verify_ssa, init_tree_ssa,
15807         delete_tree_ssa): Likewise.
15808         * tree-ssanames.c (marked_ssa_names, init_ssanames,
15809         fini_ssanames): Likewise.
15810         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
15811
15812 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
15813
15814         * config/rs6000/t-rtems: Completely reworked.
15815
15816 2005-02-17  Ira Rosen  <irar@il.ibm.com>
15817
15818         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
15819
15820 2005-02-17  Ira Rosen  <irar@il.ibm.com>
15821
15822         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
15823         POINTER_TYPE_P when checking that type is a pointer.
15824         (vect_get_memtag): Remove.
15825         (vect_address_analysis): Use POINTER_TYPE_P. Call
15826         vect_object_analysis with dummy parameter for memtag.
15827         (vect_object_analysis): Extract memtag (functionality that
15828         used to be in vect_get_memtag and moved here). Fix printings.
15829         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
15830         with correct parameters. Remove call to vect_get_memtag.
15831
15832 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
15833
15834         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
15835         (tree-vectorizer.o): Added missing dependencies.
15836
15837         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
15838         decleration.
15839         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
15840         declaration in tree-vectorizer.c, now has an extern declaration in
15841         tree-vectorizer.h).
15842         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
15843         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
15844         get_vectype_for_scalar_type, vect_is_simple_use,
15845         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
15846         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
15847         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
15848         vectorizable_store, vectorizable_operation, vectorizable_assignment,
15849         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
15850         find_loop_location): Likewise.
15851
15852         * tree-vectorizer.c (langhooks.h): #include removed.
15853         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
15854         moved to tree-vectorized.h.
15855         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
15856         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
15857         get_vectype_for_scalar_type, vect_is_simple_use,
15858         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
15859         vect_supportable_dr_alignment, new_loop_vec_info,
15860         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
15861         vect_set_verbosity_level, find_loop_location): Likewise.
15862
15863         (vect_analyze_loop): Function externalized. Declaration moved to
15864         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
15865         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
15866         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
15867         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
15868         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
15869         vect_enhance_data_refs_alignment, vect_analyze_operations,
15870         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
15871         vect_stmt_relevant_p, vect_get_loop_niters,
15872         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
15873         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
15874         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
15875         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
15876         vect_get_memtag): Likewise.
15877
15878         (vectorizable_load): Function externalized. Declaration moved to
15879         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
15880         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
15881         vect_transform_loop): Likewise.
15882         (vect_transform_stmt): Moved to tree-vect-transform.c.
15883         (vect_align_data_ref, vect_create_destination_var,
15884         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
15885         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
15886         vect_get_vec_def_for_operand, vect_init_vector,
15887         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
15888         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
15889         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
15890         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
15891         vect_do_peeling_for_loop_bound): Likewise.
15892
15893         * tree-vect-analyze.c: New file.
15894         * tree-vect-transform.c: New file.
15895
15896 2005-02-17  Jason Merrill  <jason@redhat.com>
15897
15898         PR mudflap/19319, c++/19317
15899         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
15900         slot explicit.
15901
15902 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
15903
15904         * doc/install.texi (Specific): Update link for Darwin-specific
15905         tool binary site.
15906
15907 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
15908
15909         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
15910         constant_boolean_node.
15911
15912 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
15913
15914         PR target/19019
15915         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
15916         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
15917
15918 2005-02-16  Richard Henderson  <rth@redhat.com>
15919
15920         PR 19920
15921         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
15922         with W_TYPE_SIZE.
15923         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
15924         replace uses with Wtype_MAXp1_F.
15925         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
15926         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
15927         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
15928         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
15929         and HAVE_TFMODE as appropriate.
15930         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
15931         (__floatdisf): Likewise.
15932         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
15933         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
15934         (Wtype_MAXp1_F): New.
15935         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
15936         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
15937
15938 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
15939
15940         * PR target/19162
15941         * arm.c (arm_apply_result_size): New function.
15942         * arm.h (APPLY_RESULT_SIZE): Define.
15943         * arm-protos.h (arm_apply_result_size): Add prototype.
15944         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
15945         (movxf): New expand.
15946         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
15947         (call_value_symbol): Remove predicate for operand 0.
15948         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
15949         (untyped_call): Rework to correclty return values for any type.
15950         (untyped_return): New expand.
15951         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
15952
15953 2005-02-16  Stan Shebs  <shebs@apple.com>
15954
15955         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
15956         * config/rs6000/t-darwin8: New, for 64-bit multilib.
15957
15958 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
15959
15960         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
15961         configure settings on Solaris 7 and later.
15962
15963 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
15964
15965         PR tree-optimization/19865
15966         * tree-optimize.c (init_tree_optimization_passes): Run
15967         pass_may_alias after pass_sra.
15968
15969 2005-02-16  Richard Henderson  <rth@redhat.com>
15970             Stuart Hastings  <stuart@apple.com>
15971
15972         PR debug/19521
15973         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
15974         Do nothing if debug info suppressed for this function.
15975         (dbxout_begin_function): Early exit if debug info suppressed for
15976         this function.
15977
15978 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
15979
15980         PR target/20007
15981         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
15982         find_basic_blocks.
15983         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
15984
15985         PR tree-optimization/19967
15986         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
15987         expand_builtin_strchr, expand_builtin_strrchr): Take a new
15988         argument TYPE.  Adjust calls to fold_builtin_XXX.
15989         (expand_builtin, fold_builtin_1): Adjust calls to
15990         expand_builtin_XXX.
15991         (fold_builtin_strchr, fold_builtin_strpbrk,
15992         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
15993         result to a requested type TYPE.
15994
15995 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
15996
15997         PR middle-end/19857
15998         * fold-const.c (fold): Don't optimize (T)(x & cst) to
15999         (T)x & (T)cst if (T)cst overflows.
16000         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
16001         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
16002
16003 2005-02-15  Jeff Law  <law@redhat.com>
16004
16005         * gcse.c (blocks_with_calls): New bitmap.
16006         (alloc_gcse_mem): Allocate it.
16007         (free_gcse_mem): Free it.
16008         (clear_modifY_mem_tables): Clear it.
16009         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
16010         when we encounter CALL_INSNs.
16011         (compute_transp, case MEM): Handle blocks with calls separate
16012         from blocks without calls.  Use bitmap iterators rather than
16013         FOR_EACH_BB.
16014
16015 2005-02-15  Peter O'Gorman  <peter@pogma.com>
16016
16017         PR bootstrap/18810
16018         * mklibgcc.in (vis_hide): Use a temporary object file, not
16019         -o /dev/null.
16020
16021 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
16022
16023         PR target/19924
16024         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
16025         access optimization.
16026
16027 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
16028             Alan Modra  <amodra@bigpond.net.au>
16029
16030         PR target/19019
16031         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
16032         (_xlqsub): Rename to __gcc_qsub.
16033         (_xlqmul): Rename to __gcc_qmul.
16034         (_xlqdiv): Rename to __gcc_qdiv.
16035         Provide versioned symbol aliases with old names.
16036         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
16037         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
16038         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
16039         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
16040         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
16041
16042 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
16043
16044         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
16045         Fold ~(A - 1) and ~(A + -1) to -A.
16046
16047 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
16048
16049         PR pch/14940
16050         PR target/19300
16051         * config/host-linux.c (linux_gt_pch_use_address): Copy from
16052         config/pa/pa-host.c:pa_gt_pch_use_address.
16053
16054 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
16055
16056         * tree-vn.c (get_value_handle): Make sure that given an
16057         is_gimple_min_invariant expression, we always return it.
16058
16059 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
16060
16061         * passes.c (rest_of_handle_gcse): Fix a comment.
16062
16063 2005-02-15  Jeff Law  <law@redhat.com>
16064
16065         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
16066         bitmap.
16067         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
16068         (canon_list_insert, record_last_mem_set_info): Similarly.
16069         (clear_modify_mem_tables): Similarly.
16070
16071 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
16072
16073         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
16074         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
16075         config/mips/mips.md, config/rs6000/aix.h,
16076         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
16077
16078 2005-02-15  Richard Henderson  <rth@redhat.com>
16079
16080         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
16081         call to be best_edge.
16082
16083 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
16084
16085         * basic-block.h: Adjust the prototype for find_basic_blocks.
16086         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
16087         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
16088         find_basic_blocks.
16089
16090         * flow.c (recompute_reg_usage): Remove all arguments.
16091         * passes.c (rest_of_compilation): Adjust the call to
16092         recompute_reg_usage.
16093         * rtl.h: Adjust the prototype for recompute_reg_usage.
16094
16095 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
16096
16097         * tree-dump.c (dump_files): Update to reflect new member
16098         of dump_file_info.
16099         (dump_register): Add new argument.
16100         Set glob name.
16101         (dump_switch_p_1): Check against glob name if doglob was passed.
16102         (dump_switch_p): Check against regular first, then glob if
16103         we didn't have any hits on the dump name.
16104         * tree-optimize.c (register_one_dump_file):
16105         Pass in glob name as well.
16106         * tree-pass.h (struct dump_file_info): Add glob
16107         member.
16108
16109 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
16110
16111         PR preprocessor/16323
16112         * doc/invoke.texi: Document that -Wendif-labels is on by default.
16113
16114 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
16115
16116         PR target/19019
16117         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
16118         (trunctfdf2_internal1): New.
16119         (trunctfdf2_internal2): Renamed from trunctfdf2.
16120
16121 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
16122
16123         PR tree-optimization/19853
16124         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
16125
16126 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
16127
16128         * passes.c (rest_of_handle_loop_optimize): Remove calls to
16129         delete_dead_jumptables and cleanup_cfg.
16130
16131 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
16132
16133         * reload.c (find_reloads): Swap address_reloaded flags when
16134         swapping commutative operands.
16135
16136 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
16137
16138         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
16139         Use standard_iv_increment_position for computing the bsi position
16140         for create_iv.
16141         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
16142         the bsi position.
16143
16144 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
16145
16146         PR target/17428
16147         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
16148         life range of hard registers.
16149         * value-prof.c (insn_prefetch_values_to_profile): Only
16150         scan normal insns.
16151
16152         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
16153         profile in libcalls.
16154
16155 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
16156
16157         * bitmap.h (bitmap_and_compl_into): Return bool.
16158         * bitmap.c (bitmap_and_compl_into): Return changed flag.
16159
16160 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
16161
16162         PR tree-optimization/19944
16163         * fold-const.c (fold): Re-add ABS_EXPR folding.
16164
16165 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
16166
16167         PR target/19019
16168         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
16169         {TARGET,MASK}_XL_COMPAT.
16170         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
16171         MASK_XL_COMPAT.
16172         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
16173         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
16174         TARGET_XL_COMPAT.
16175         (rs6000_arg_partial_bytes): Same.
16176         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
16177         and XL compatibility enabled.
16178         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
16179         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
16180         test to final condition.
16181         (cmptf_internal2): New.
16182         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
16183         xl-compat.  Add TFmode information to description.
16184
16185 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
16186
16187         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
16188
16189 2005-02-13  Jason Merrill  <jason@redhat.com>
16190
16191         PR c++/16405
16192         * fold-const.c (fold_indirect_ref_1): Split out from...
16193         (build_fold_indirect_ref): Here.
16194         (fold_indirect_ref): New fn.
16195         * tree.h: Declare it.
16196         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
16197         (gimplify_modify_expr_rhs): Likewise.
16198         (gimplify_expr): Likewise.
16199
16200 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
16201
16202         PR tree-optimization/14303
16203         PR tree-optimization/15784
16204         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
16205         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
16206         ABS_EXPR<x> != 0 to x != 0.
16207
16208 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
16209
16210         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
16211         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
16212         spelling conventions.
16213
16214         * passes.c (rest_of_handle_gcse): Don't run cse_main and
16215         delete_trivially_dead_insns too many times.
16216
16217         * passes.c (rest_of_handle_gcse): Remove dead assignments to
16218         tem and tem2.
16219
16220 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16221
16222         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
16223         (vect_is_simple_iv_evolution): Remove redundant parameter
16224         and step check.
16225         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
16226         without last parameter.
16227         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
16228         Return pointer step. Call vect_is_simple_iv_evolution without
16229         last parameter. Check only that the step is multiple of size
16230         type. Remove stmt_vinfo updates.
16231         (vect_get_memtag_and_dr): Remove.
16232         (vect_get_memtag): New function.
16233         (vect_address_analysis): New function.
16234         (vect_object_analysis): New function.
16235         (vect_analyze_data_refs): Call vect_object_analysis and
16236         vect_get_memtag. Update stmt_vinfo fields.
16237
16238 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16239
16240         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
16241         exist and are objects. Remove checks for pointer.
16242         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
16243         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
16244         (vect_create_data_ref_ptr): Likewise.
16245         (vect_base_addr_differ_p): New function.
16246         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
16247         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
16248         Don't set the DR_BASE_NAME field of data-ref.
16249         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
16250
16251 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
16252
16253         * optabs.h (enum optab_index): Add new OTI_ldexp.
16254         (ldexp_optab): Define corresponding macro.
16255         * optabs.c (init_optabs): Initialize ldexp_optab.
16256         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
16257         patterns.
16258         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
16259         using ldexp_optab.
16260         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
16261         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
16262
16263         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
16264         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
16265         intrinsics.
16266
16267 2005-02-12  Ira Rosen  <irar@il.ibm.com>
16268
16269         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
16270         to base_address.
16271         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
16272         stmt_vec_info.
16273         (vect_get_base_and_offset): Always return an address.
16274         (vect_create_addr_base_for_vector_ref): Remove treatment for
16275         different data reference types.
16276         (vect_compute_data_ref_alignment): Rename base to base_address in
16277         stmt_vec_info. Get the object in order to force its alignment.
16278         (vect_get_memtag_and_dr): Rename base to base_address in
16279         stmt_vec_info. Extract the object for memtag analysis.
16280
16281 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
16282
16283         PR regression/19898.
16284         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
16285         changes cc_status, use apply modified_in_p to part of cc_status
16286         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
16287         body.
16288
16289 2005-02-11  Richard Henderson  <rth@redhat.com>
16290
16291         * tree-complex.c (expand_complex_libcall): New.
16292         (expand_complex_multiplication): Use it for c99 compliance.
16293         (expand_complex_division): Likewise.
16294         * fold-const.c (fold_complex_add, fold_complex_mult): New.
16295         (fold): Call them.
16296         * builtins.c (built_in_names): Remove const.
16297         * tree.c (build_common_builtin_nodes): Build complex arithmetic
16298         builtins.
16299         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
16300         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
16301         (built_in_names): Remove const.
16302         * c-common.c (c_common_type_for_mode): Handle complex modes.
16303         * flags.h, toplev.c (flag_complex_method): Rename from
16304         flag_complex_divide_method.
16305         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
16306         __mulsc3, __muldc3, __mulxc3, __multc3): New.
16307         * libgcc2.h: Declare them.
16308         * libgcc-std.ver: Export them.
16309         * mklibgcc.in (lib2funcs): Build them.
16310
16311 2005-02-11  Steven Bosscher  <stevenb@suse.de>
16312
16313         PR tree-optimization/19876
16314         Partially revert my change from 2005-01-14
16315         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
16316         (compute_antic): ...and remove the loop here.
16317
16318 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
16319
16320         PR middle-end/19858
16321         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
16322         is number of inner's bits, avoid creating a BIT_FIELD_REF.
16323
16324         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
16325         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
16326
16327 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
16328
16329         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
16330         offsets for the big-endian 32-bit case.
16331
16332 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
16333
16334         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
16335
16336 2005-02-11  Dale Johannesen  <dalej@apple.com>
16337
16338         * cselib.c (cselib_process_insn):  Clear out regs where
16339         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
16340         * reload.c (find_equiv_reg): Ditto.
16341
16342 2005-02-11  Ian Lance Taylor  <ian@airs.com>
16343
16344         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
16345         with no elements.
16346
16347         * tree.c (build_function_type_list): Work correctly if there are
16348         no arguments.
16349
16350 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
16351
16352         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
16353         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
16354         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
16355         TARGET_ZARCH instead of TARGET_64BIT.
16356
16357 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
16358
16359         * config/rs6000/t-rtems:
16360         (MULTILIB_OPTIONS): Remove mcpu=602.
16361         (MUTLILIB_DIRNAMES): Remove m602.
16362         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
16363         Let mcpu=602 match mcpu=603.
16364         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
16365
16366 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16367
16368         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
16369         signal trampolines.
16370
16371 2005-02-10  David Daney  <ddaney@avtrex.com>
16372
16373         * config/alpha/linux-unwind.h: Add exception clause to copyright.
16374         * config/i386/linux-unwind.h: Likewise.
16375         * config/ia64/linux-unwind.h: Likewise.
16376         * config/mips/linux-unwind.h: Likewise.
16377         * config/pa/linux-unwind.h: Likewise.
16378         * config/rs6000/linux-unwind.h: Likewise.
16379         * config/s390/linux-unwind.h: Likewise.
16380         * config/sh/linux-unwind.h: Likewise.
16381         * config/sparc/linux-unwind.h: Likewise.
16382
16383 2005-02-10  Steven Bosscher  <stevenb@suse.de>
16384
16385         PR tree-optimization/17549
16386         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
16387         TER to replace a DEF with its expression if the DEF and the
16388         rhs of the expression we replace into have the same root
16389         variable.
16390
16391 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
16392
16393         * config/mips/mips.md: Fix the placement of the match_scratch in the
16394         lea64 peephole2.
16395
16396 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
16397
16398         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
16399         Fix comment typos.
16400
16401 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
16402
16403         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
16404         (strip_offset): Handle addresses.
16405         (add_address_candidates): Use strip_offset.
16406         (difference_cost): Reflect strip_offset change.
16407         (force_var_cost, difference_cost): Strip nops.
16408
16409 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
16410
16411         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
16412
16413         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
16414         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
16415         config/cris/cris-protos.h, config/cris/cris.c: Update
16416         copyright.
16417
16418 2005-02-10  Jeff Law  <law@redhat.com>
16419
16420         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
16421         (lookup_avail_expr): Similarly.
16422
16423 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
16424
16425         * builtins.c (fold_builtin_powi): New function.
16426         (fold_builtin_1): Call it.
16427
16428 2005-02-10  Steven Bosscher  <stevenb@suse.de>
16429
16430         PR documentation/19309
16431         * doc/cpp.texi: The __GNUC__ and related predefined macros
16432         are also defined for the "standalone" cpp.
16433         Some non-GCC compilers may also define __GNUC__.
16434
16435 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
16436
16437         PR c/19342
16438         * c-typeck.c (common_type): New routine.  Old common_type renamed
16439         to...
16440         (c_common_type): ...this.
16441         (build_conditional_expr, build_binary_op): Use c_common_type instead
16442         of common_type.
16443
16444 2005-02-10  Steven Bosscher  <stevenb@suse.de>
16445
16446         * doc/md.texi: Replace @samp{length} with @code{length}.
16447
16448 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
16449
16450         PR tree-optimization/18687
16451         * tree-flow.h (find_loop_niter): Declare.
16452         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
16453         Try using scev even for loops with more than one exit.
16454         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
16455         (struct ivopts_data): Added niters field.
16456         (struct nfe_cache_elt): New.
16457         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
16458         functions.
16459         (tree_ssa_iv_optimize_init): Initialize niters cache.
16460         (determine_number_of_iterations): Removed.
16461         (find_induction_variables): Do not call determine_number_of_iterations.
16462         Access niters for single exit through niter_for_single_dom_exit.
16463         (add_iv_outer_candidates): Access niters for single exit through
16464         niter_for_single_dom_exit.
16465         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
16466         number_of_iterations_cond.
16467         (iv_period): New function.
16468         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
16469         (may_replace_final_value): Take data argument.  Use
16470         niter_for_single_dom_exit.
16471         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
16472         (rewrite_use_compare): Pass data to may_eliminate_iv.
16473         (rewrite_use_outer): Pass data to may_replace_final_value.
16474         (free_loop_data): Clean up the niters cache.
16475         (tree_ssa_iv_optimize_finalize): Free the niters cache.
16476         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
16477         * tree-ssa-loop-niter.c (find_loop_niter): New function.
16478         (find_loop_niter_by_eval): Use tree_int_cst_lt.
16479         (num_ending_zeros): Moved to tree.c.
16480         * tree.h (num_ending_zeros): Declare.
16481         * tree.c (num_ending_zeros): Moved from tree.c.
16482
16483 2005-02-09  Richard Henderson  <rth@redhat.com>
16484
16485         * builtins.c (DEF_BUILTIN): Add COND argument.
16486         * tree.h (DEF_BUILTIN): Likewise.
16487         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
16488         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
16489         match.
16490         (DEF_BUILTIN_STUB): New.
16491         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
16492         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
16493         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
16494         * c-common.c (DEF_BUILTIN): Add COND argument.
16495         * tree.c (local_define_builtin): New.
16496         (build_common_builtin_nodes): New.
16497
16498 2005-02-09  Roger Sayle  <roger@eyesopen.com>
16499
16500         * fold-const.c (fold_strip_sign_ops): New function to simplify a
16501         floating point expression ignoring the sign of the result.
16502         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
16503         (fold) <MULT_EXPR>: Use it to simplify x*x.
16504         * tree.h (fold_strip_sign_ops): Prototype here.
16505         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
16506         argument.  Use fold_strip_sign_ops to simplify the first argument.
16507         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
16508         first argument when the second argument is an even integer
16509         constant, but only with -funsafe_math_optimizations.
16510         (fold_builtin_1): Update call to fold_builtin_copysign.
16511
16512 2005-02-09  Ian Lance Taylor  <ian@airs.com>
16513
16514         PR middle-end/19583
16515         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
16516         just check whether EH_FILTER_FAILURE falls through.
16517
16518 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
16519
16520         * gcc/haifa-sched.c (schedule_block): Make queued sched group
16521         insns return to ready list in the next turn.
16522
16523 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
16524
16525         PR middle-end/19402
16526         * builtins.def: New __builtin_powi[lf].
16527         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
16528         (expand_builtin_powi): New function.
16529         (expand_builtin): Dispatch to expand_builtin_powi.
16530         * libgcc2.h: Add prototypes for __builtin_powi[lf].
16531         * libgcc2.c: Add __builtin_powi[lf] implementation.
16532         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
16533         * optabs.h: Add powi_optab.
16534         * optabs.c (init_optabs): Initialize powi_optab.
16535         * doc/extend.texi: Document __builtin_powi[lf].
16536
16537 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
16538
16539         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
16540         exists.
16541
16542 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
16543
16544         PR middle-end/19854
16545         * fold-const.c (try_move_mult_to_index): Remove redundant
16546         type argument.  Create ADDR_EXPR with correct type.
16547         (fold): Update callers of try_move_mult_to_index.  Convert
16548         result to the appropriate type.
16549
16550 2005-02-09  Roger Sayle  <roger@eyesopen.com>
16551
16552         PR target/19597
16553         * config/avr/avr.c (default_rtx_costs): Delete.
16554         (avr_operand_rtx_cost): New function.
16555         (avr_rtx_costs): Completely rewrite.
16556
16557 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
16558
16559         PR target/19806
16560         * config/cris/cris.c (in_code): New variable.
16561         (cris_output_addr_const): Now a static function, a wrapper for
16562         output_addr_const.
16563         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
16564         case from old cris_output_addr_const.
16565         (cris_asm_output_label_ref): Similar for LABEL_REF.
16566         (cris_output_addr_const_extra): Similar for UNSPEC.
16567         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
16568         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
16569         * config/cris/cris-protos.h (cris_output_addr_const): Remove
16570         declaration.
16571         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
16572         (cris_asm_output_label_ref): Declare.
16573
16574 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
16575
16576         PR preprocessor/19801
16577         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
16578         filenames that changed when libcpp was moved to the toplevel.
16579
16580 2005-02-07  Roger Sayle  <roger@eyesopen.com>
16581
16582         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
16583         zero extensions of BImode operands.  Call lowpart_subreg instead
16584         of gen_lowpart_common and gen_lowpart_SUBREG.
16585
16586 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
16587
16588         PR ada/19489
16589         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
16590         * configure.ac: Set cc_for_cross_gnattools.
16591         * configure: Regenerate.
16592
16593 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
16594
16595         PR target/19803
16596         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
16597
16598 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16599
16600         PR debug/19327
16601         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
16602         of nested functions.
16603
16604 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
16605
16606         * doc/extend.texi: Document deprecated extensions allowing
16607         static floating-point members to have initializers and allowing
16608         floating-point literals in integral constant expressions.
16609
16610 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
16611
16612         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
16613         config/darwin7.h, config/mips/mips.c,
16614         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
16615         Update copyright.
16616
16617         * cse.c: Update comments.
16618
16619 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
16620
16621         PR middle-end/19775
16622         * builtins.c (fold_builtin_sqrt): Transform
16623         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
16624         pow(x,y*0.5).
16625
16626 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
16627             Dorit Naishlos  <dorit@il.ibm.com>
16628
16629         * doc/invoke.texi (ftree-vectorizer-verbose): New.
16630         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
16631         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
16632         was added.
16633         * tree.h (vect_set_verbosity_level): New extern function declaration
16634         added.
16635         * tree-vectorizer.h (verbosity_levels): New enum type.
16636         * tree-vectorizer.c (vect_debug_stats): Function removed.
16637         (vect_debug_details): Likewise.
16638         (vect_verbosity_level): Global variable was defined and initialized.
16639         (vect_dump): Global variable definition.
16640         (vect_print_dump_info): New function.
16641         (vect_set_dump_settings): New function.
16642         (vect_set_verbosity_level): New function.
16643         (vectorize_loops): Add call to vect_set_dump_settings.
16644
16645         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
16646         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
16647         (slpeel_tree_peel_loop_to_edge): Likewise.
16648
16649         (vect_analyze_offset_expr): Call to vect_print_dump_info with
16650         appropriate verbosity level instead of call to vect_debug_details
16651         or vect_debug_stats.
16652         (vect_get_base_and_offset):
16653         (vect_create_addr_base_for_vector_ref):
16654         (get_vectype_for_scalar_type):
16655         (vect_create_data_ref_ptr):
16656         (vect_init_vector):
16657         (vect_get_vec_def_for_operand):
16658         (vect_finish_stmt_generation):
16659         (vectorizable_assignment):
16660         (vectorizable_operation):
16661         (vectorizable_store):
16662         (vectorizable_load):
16663         (vect_transform_stmt):
16664         (vect_update_ivs_after_vectorizer):
16665         (vect_do_peeling_for_loop_bound):
16666         (vect_update_inits_of_drs):
16667         (vect_do_peeling_for_alignment):
16668         (vect_transform_loop):
16669         (vect_is_simple_use):
16670         (vect_analyze_operations):
16671         (vect_is_simple_iv_evolution):
16672         (vect_analyze_scalar_cycles):
16673         (vect_analyze_data_ref_dependence):
16674         (vect_analyze_data_ref_dependences):
16675         (vect_compute_data_ref_alignment):
16676         (vect_enhance_data_refs_alignment):
16677         (vect_analyze_data_refs_alignment):
16678         (vect_analyze_data_ref_access):
16679         (vect_analyze_data_ref_accesses):
16680         (vect_analyze_pointer_ref_access):
16681         (vect_get_memtag_and_dr):
16682         (vect_analyze_data_refs):
16683         (vect_mark_relevant):
16684         (vect_stmt_relevant_p):
16685         (vect_mark_stmts_to_be_vectorized):
16686         (vect_can_advance_ivs_p):
16687         (vect_get_loop_niters):
16688         (vect_analyze_loop_form):
16689         (vect_analyze_loop):
16690         (vectorize_loops): Likewise.
16691
16692         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
16693         (vect_update_inits_of_drs):
16694         (vect_do_peeling_for_alignment):
16695         (vect_transform_loop):
16696         (vect_analyze_operations):
16697         (vect_analyze_scalar_cycles):
16698         (vect_analyze_data_ref_dependences):
16699         (vect_analyze_data_refs_alignment):
16700         (vect_analyze_data_ref_accesses):
16701         (vect_analyze_data_refs):
16702         (vect_mark_stmts_to_be_vectorized):
16703         (vect_get_loop_niters):
16704         (vect_analyze_loop_form):
16705         (vect_analyze_loop): Likewise.
16706         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
16707
16708 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
16709
16710         PR bootstrap/19796
16711         Revert:
16712         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
16713         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
16714         either -ffast-math or -funsafe-math-optimizations is in use.
16715
16716         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
16717         * config/mips/irix-csr.c: New file.
16718         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
16719         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
16720         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
16721         executables.
16722
16723 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
16724
16725         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
16726         redundant, incorrect definitions.
16727
16728         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
16729         expand.
16730         ("*tls_indirect_call"): New, reference hard regs directly.
16731         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
16732
16733 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
16734
16735         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
16736         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
16737
16738 2005-02-06  Roger Sayle  <roger@eyesopen.com>
16739
16740         PR rtl-optimization/19800
16741         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
16742         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
16743         gen_lowpart.
16744
16745 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
16746
16747         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
16748
16749 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
16750
16751         PR other/17135
16752         * doc/invoke.texi: Correct documentation of -freorder-functions.
16753
16754 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
16755
16756         PR other/14402
16757         * doc/invoke.texi: Don't mention gccbug.
16758
16759 2005-02-06  Roger Sayle  <roger@eyesopen.com>
16760             Andrew Pinski  <pinskia@physics.uc.edu>
16761             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
16762
16763         * simplify-rtx.c (simplify_relational_operation_1): Simplify
16764         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
16765         into just (zero_extract:SI FOO (const_int 1) BAR).
16766
16767 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
16768
16769         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
16770         macro locally.  Don't give last revision date.  Use GCC version
16771         number from gcc-common.texi.
16772         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
16773         revision date.  Use GCC version number from gcc-common.texi.
16774         Describe being a library as current state rather than as 3.x
16775         history.
16776         * doc/gcc.texi: Remove last update date.
16777         * doc/gccint.texi: Likewise.  Update copyright dates.
16778         * doc/install.texi: Update copyright dates.
16779
16780 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
16781
16782         PR other/7549
16783         * doc/invoke.texi: Mention for each option included in -Wall that
16784         it is included in -Wall.
16785         * doc/gcc.texi: Update copyright and last modification date.
16786
16787 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
16788
16789         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
16790         unnecessary cast to original induction variable increments.
16791
16792 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
16793
16794         PR tree-optimization/18219
16795         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
16796         in distributed form.
16797
16798 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
16799
16800         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
16801         Set bitpos and offset later in the function.  Do nothing if the
16802         target is a register and if the bitfield lies completely outside
16803         that register.
16804         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
16805         here.  Return an uninitialised register if the source value is stored
16806         in a register and the bitfield lies completely outside that register.
16807
16808 2005-02-06  Steven Bosscher  <stevenb@suse.de>
16809
16810         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
16811         not SET_DEST.
16812
16813 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
16814
16815         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
16816
16817 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
16818
16819         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
16820         * config/darwin8.h: New.
16821         * config/darwin7.h: Update comment.
16822
16823 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
16824             Dorit Naishlos  <dorit@il.ibm.com>
16825
16826         * tree-vectorizer.h (LOC): New type.
16827         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
16828         (loop_line_number): New field in struct _loop_vec_info.
16829         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
16830
16831         * tree-vectorizer.c (input.h): Included.
16832         (find_loop_location): New function.
16833         (vect_debug_stats): Argument changed from loop to LOC. Computation of
16834         loop line number removed.
16835         (vect_debug_details): Likewise.
16836         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
16837
16838         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
16839         call to vect_debug_details/stats changed from loop to loop_loc.
16840         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
16841         (slpeel_tree_peel_loop_to_edge): Likewise.
16842
16843         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
16844         changed from NULL to UNKNOWN_LOC.
16845         (vect_get_base_and_offset):
16846         (vect_create_addr_base_for_vector_ref):
16847         (get_vectype_for_scalar_type):
16848         (vect_create_data_ref_ptr):
16849         (vect_init_vector):
16850         (vect_get_vec_def_for_operand):
16851         (vect_finish_stmt_generation):
16852         (vectorizable_assignment):
16853         (vectorizable_operation):
16854         (vectorizable_store):
16855         (vectorizable_load):
16856         (vect_transform_stmt):
16857         (vect_update_ivs_after_vectorizer):
16858         (vect_do_peeling_for_loop_bound):
16859         (vect_do_peeling_for_alignment):
16860         (vect_transform_loop):
16861         (vect_is_simple_use):
16862         (vect_analyze_operations):
16863         (vect_is_simple_iv_evolution):
16864         (vect_analyze_scalar_cycles):
16865         (vect_analyze_data_ref_dependences):
16866         (vect_compute_data_ref_alignment):
16867         (vect_enhance_data_refs_alignment):
16868         (vect_analyze_data_ref_access):
16869         (vect_analyze_data_ref_accesses):
16870         (vect_analyze_pointer_ref_access):
16871         (vect_get_memtag_and_dr):
16872         (vect_analyze_data_refs):
16873         (vect_mark_relevant):
16874         (vect_stmt_relevant_p):
16875         (vect_mark_stmts_to_be_vectorized):
16876         (vect_can_advance_ivs_p):
16877         (vect_get_loop_niters):
16878         (vect_analyze_loop):
16879         (vectorize_loops): Likewise.
16880
16881         (vectorizable_load): Argument in call to vect_debug_details/stats
16882         changed from loop to LOOP_LOC (loop_vinfo).
16883         (vect_transform_loop):
16884         (vect_analyze_operations):
16885         (vect_analyze_scalar_cycles):
16886         (vect_analyze_data_ref_dependence):
16887         (vect_enhance_data_refs_alignment):
16888         (vect_analyze_data_ref_accesses):
16889         (vect_analyze_pointer_ref_access):
16890         (vect_analyze_data_refs):
16891         (vect_analyze_loop): Likewise.
16892
16893         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
16894         changed from loop to loop_loc.
16895
16896         (vect_enhance_data_refs_alignment): Removed unused variable loop.
16897
16898 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
16899             Dorit Naishlos  <dorit@il.ibm.com>
16900
16901         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
16902         declaration added.
16903         (vect_analyze_data_ref_dependences): Likewise.
16904
16905         (vect_is_simple_use): Argument changed from loop structure to
16906         loop_vect_info structure.
16907         (vect_can_advance_ivs_p): Likewise.
16908         (vect_create_index_for_vector_ref): Likewise.
16909         (vect_update_ivs_after_vectorizer): Likewise.
16910         (new_stmt_vec_info): Likewise.
16911
16912         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
16913         changed from loop to loop_vinfo.
16914         (vect_create_data_ref_ptr): First argument in call to
16915         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
16916         (vectorizable_assignment): Second argument in call to vect_is_simple_use
16917         was changed from loop to loop_vinfo.
16918         (vectorizable_operation): Likewise.
16919         (vectorizable_store): Likewise.
16920         (vect_mark_stmts_to_be_vectorized): Likewise.
16921         (vect_do_peeling_for_loop_bound): First argument in call to
16922         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
16923         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
16924         was changed from loop to loop_vinfo.
16925         (vect_analyze_data_ref_dependences): Third argument in call to
16926         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
16927
16928         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
16929         (vect_create_data_ref_ptr): Likewise.
16930         (vect_init_vector): Likewise.
16931         (vect_get_vec_def_for_operand): Likewise.
16932         (vectorizable_assignment): Likewise.
16933         (vectorizable_operation): Likewise.
16934         (vectorizable_store): Likewise.
16935         (vectorizable_load): Likewise.
16936         (vect_update_ivs_after_vectorizer): Likewise.
16937         (vect_is_simple_use): Likewise.
16938         (vect_analyze_data_ref_dependence): Likewise.
16939         (vect_analyze_pointer_ref_access): Likewise.
16940         (vect_can_advance_ivs_p): Likewise.
16941
16942         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
16943         before _stmt_vec_info.
16944         (_stmt_vec_info): Loop field replaced by loop_vec_info.
16945         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
16946         (new_stmt_vec_info): Argument changed from loop structure to
16947         loop_vect_info structure
16948
16949         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
16950         (vect_analyze_offset_expr): Avoid 80 columns overflow.
16951         (vect_create_addr_base_for_vector_ref): Likewise.
16952         (vect_analyze_pointer_ref_access): Likewise.
16953
16954 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
16955
16956         PR tree-opt/19768
16957         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
16958         phi flag if the phi is abnormal.
16959
16960 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
16961
16962         PR tree-opt/19736
16963         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
16964         information for the new statement.
16965
16966 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
16967
16968         PR driver/19117
16969         * gcc.c (main): Include the target in -v output.
16970
16971 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
16972
16973         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
16974         Do not drop the extend if we'd have to add a paradoxical subreg
16975         later.  Include optabs.h and insn-codes.h.
16976         * Makefile.in (combine.o): Depend on $(OPTABS_H).
16977
16978 2005-02-02  Roger Sayle  <roger@eyesopen.com>
16979
16980         PR middle-end/19405
16981         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
16982         * fold-const.c (const_binop): Avoid constant folding floating
16983         point operations in modes that use composite representations.
16984         * simplify-rtx.c (simplify_binary_operation): Likewise.
16985
16986 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
16987
16988         * config/rs6000/altivec.md (altivec_dst): Make the first operand
16989         a REG, not a MEM.
16990         (altivec_dstt): Likewise.
16991         (altivec_dstst): Likewise.
16992         (altivec_dststt): Likewise.
16993         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
16994         of first operand.
16995
16996 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
16997
16998         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
16999         EXPR_LOCUS from orig_cond to the new cond_stmt.
17000         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
17001         the new vec_stmt.
17002
17003 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
17004
17005         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
17006         standard_iv_increment_position. Remove call to bsi_next
17007         (no need to bump the iterator anymore).
17008         (vect_create_index_for_vector_ref): Call
17009         standard_iv_increment_position. Remove second function argument.
17010         (vect_finish_stmt_generation): Remove call to bsi_next
17011         (no need to bump the iterator anymore).
17012         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
17013         to vect_create_index_for_vector_ref.
17014
17015 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
17016
17017         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
17018         phis are used out of the loop.
17019
17020 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
17021
17022         PR c/17807
17023         * c-decl.c (undef_nested_function): New variable.
17024         (pop_scope): Diagnose undefined nested functions.
17025         (finish_function): Don't attempt cgraph processing or genericizing
17026         if current top-level function contained an undefined nested
17027         function.  Reset undef_nested_function at the end of a top-level
17028         function.
17029
17030 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
17031
17032         * tree.c (build_int_cst_type): Take sign of the value into account
17033         when deciding whether sign extend the value.
17034
17035 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17036
17037         PR c/18502
17038         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
17039         (cpp_options, cc1_options): Change %{std*&ansi} to
17040         %{std*&ansi&trigraphs}.
17041
17042 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
17043
17044         * cse.c: Update comments.
17045
17046 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
17047
17048         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
17049         arguments go on the stack.  Do not put complex doubles in odd/even
17050         pairs.
17051
17052 2005-02-02  Steven Bosscher  <stevenb@suse.de>
17053
17054         * doc/invoke.texi: Update the options enabled at -O1, -O2,
17055         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
17056         -ftree-pre, and -fthread-jumps.
17057
17058 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
17059
17060         PR tree-optimization/19578
17061         * tree-flow.h (modified_noreturn_calls): Declare.
17062         (noreturn_call_p): Declare.
17063         * tree-flow-inline.h (noreturn_call_p): New function.
17064         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
17065         * tree-cfg.c (modified_noreturn_calls): New variable.
17066         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
17067         that contain a mid-block noreturn call.
17068         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
17069
17070 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
17071
17072         * df.c (df_def_record_1, df_uses_record): Don't use
17073         DF_FOR_REGALLOC.
17074         * df.h (DF_FOR_REGALLOC): Remove.
17075
17076 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17077
17078         PR c/19435
17079         * c-typeck.c (really_start_incremental_init): Reset
17080         constructor_max_index for arrays of incomplete type.
17081
17082 2005-02-02  Jeff Law  <law@redhat.com>
17083
17084         * gcse.c (struct reg_set): Store the block index where the register
17085         was set rather than the setting insn.
17086         (record_one_set, compute_transp): Corresponding changes.
17087         (pre_insert_copy_insn): Do not call replace_one_set.
17088         (replace_one_set): Remove.
17089
17090 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
17091
17092         PR other/15514
17093         * doc/gcov.texi: Fix typo.
17094
17095 2005-02-01  Richard Henderson  <rth@redhat.com
17096
17097         PR target/19680
17098         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
17099         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
17100         type to bool.
17101         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
17102         * config/i386/i386-protos.h: Update.
17103
17104 2005-02-01  Steven Bosscher  <stevenb@suse.de>
17105
17106         PR tree-optimization/19217
17107         * tree-cfg.c (verify_expr): Use the data field to see if TP was
17108         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
17109         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
17110         that it is walking a PHI node.
17111
17112 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
17113
17114         * doc/extend.texi (Nested Functions): Update.
17115
17116 2005-02-01  Richard Henderson  <rth@redhat.com>
17117
17118         PR 19696
17119         * optabs.c (expand_copysign_absneg): Export.
17120         * optabs.h (expand_copysign_absneg): Declare.
17121         * config/rs6000/rs6000.md (copysigntf3): New.
17122
17123 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
17124
17125         PR tree-optimization/19633
17126         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
17127         * tree-ssa-alias.c (init_alias_info): Initialize.
17128         (merge_pointed_to_info): Set.
17129         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
17130         (dump_points_to_info_for): Show value of pt_null.
17131         (struct count_ptr_d): Declare.
17132         (find_ptr_dereference): Remove.
17133         (ptr_is_dereferenced_by): Remove.
17134         (count_ptr_derefs): New local function.
17135         (count_uses_and_derefs): New local function.
17136         (compute_points_to_and_addr_escape): Call it.  If the number
17137         of dereferences is greater than zero, mark the pointer as
17138         dereferenced.  If there are fewer dereferences than uses of
17139         the pointer, the pointer's value escapes.
17140
17141 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
17142
17143         PR tree-optimization/19670
17144         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
17145         here...
17146         (verify_use): ... set it here, instead.
17147
17148 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
17149
17150         * doc/sourcebuild.texi (Test directives): Fix formatting.
17151
17152         * doc/sourcebuild.texi (Test directives): Describe selector
17153         expressions.
17154
17155 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
17156
17157         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
17158         specific 64-bit CPUs.
17159
17160 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
17161
17162         PR target/16201
17163         * arm.c (arm_eliminable_register): New function.
17164         (adjacent_mem_locations): Don't allow eliminable registers.  Use
17165         HOST_WIDE_INT for address offsets.
17166         * arm-protos.h (arm_eliminable_register): Add prototype.
17167
17168 2005-02-01  Steven Bosscher  <stevenb@suse.de>
17169
17170         PR optimization/15242
17171         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
17172         * basic-block.h (duplicate_computed_gotos): Add prototype.
17173         * bb-reorder.c (duplicate_computed_gotos): New function to
17174         duplicate sufficiently small blocks ending in a computed jump.
17175         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
17176         if not optimizing for size.
17177         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
17178         never do tail merging for blocks ending in a computed jump.
17179         * doc/invoke.texi: Document the max-goto-duplication-insns param.
17180
17181 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
17182
17183         Patch from Richard Sandiford <rsandifo@redhat.com>
17184         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
17185         from inheriting a subreg equivalence with a non-spill register.
17186
17187         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
17188
17189 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
17190
17191         * config/frv/frv.c (movcc_fp_destination_operand): New.
17192         (gpr_or_memory_operand): Fix typo in comment.
17193         (gpr_or_memory_operand_with_scratch): New.
17194         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
17195         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
17196         movcc_fp_destination_operand.
17197         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
17198         Legitimize memory addresses using a scratch register.
17199
17200 2005-01-31  Jeff Law  <law@redhat.com>
17201
17202         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
17203         bitmap a sparse bitmap instead of a simple bitmap.
17204         (mark_def_sites_initialize_block):  Corresponding changes.
17205         (ssa_mark_def_sites_initialize_block): Likewise.
17206         (ssa_mark_phi_uses): Likewise.
17207         (mark_def_site, ssa_mark_def_sites): Likewise.
17208         (mark_def_site_blocks): Likewise.
17209         (rewrite_ssa_into_ssa): Likewise.
17210
17211         * tree-ssa-dom.c (record_cond): Pass correct variable type
17212         for last argument to htab_find_slot_with_hash.
17213
17214         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
17215         effects when optimizing 0 % X.  Do not try to optimize X % 0.
17216
17217 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
17218
17219         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
17220         1_mmalua.
17221
17222 2005-02-01  Eric Christopher  <echristo@redhat.com>
17223
17224         * config/mips/mips.c (override_options): Warn if -mint64
17225         is used.
17226         * doc/invoke.texi (MIPS Options): Document that -mint64 is
17227         deprecated.
17228
17229 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
17230
17231         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
17232         timestamp.
17233         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
17234         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
17235         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
17236         (cached_regno): Initialize to INVALID_REGNUM.
17237         (cse_reg_info_table_size,
17238         cse_reg_info_table_first_uninitialized,
17239         cse_reg_info_timestamp): New.
17240         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
17241         get_cse_reg_info.
17242         (init_cse_reg_info, get_cse_reg_info_1): New.
17243         (get_cse_reg_info): Cache the last look-up.
17244         (new_basic_block): Update the code to clear mappings from
17245         registers to cse_reg_info entries.
17246         (cse_main): Call init_cse_reg_info.
17247
17248         * cse.c (get_cse_reg_info): Update a comment.
17249
17250 2005-01-31  Steven Bosscher  <stevenb@suse.de>
17251
17252         PR c/19333
17253         * c-decl.c (start_decl): Do not warn about arrays of elements with
17254         an incomplete type here.
17255         (grokdeclarator): Do it here by making a pedwarn an error.
17256         * c-typeck.c (push_init_level): If there were previous errors with
17257         the constructor type, do not warn about braces for initializers.
17258         (process_init_element): Likewise for excess initializer elements.
17259
17260 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
17261
17262         * cse.c (delete_trivially_dead_insn): Don't iterate.
17263
17264 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
17265
17266         * config/rs6000/rs6000.md (copysignsf3): New expand.
17267         (copysigndf3): Likewise.
17268
17269 2005-01-31  Steven Bosscher  <stevenb@suse.de>
17270
17271         * recog.c (constrain_operands): Only look for earlyclobber operand
17272         conflicts if an '&' constraint was seen.
17273
17274 2005-01-31  Marc Espie <espie@openbsd.org>
17275
17276         * config.gcc: Don't include embedded systems fragment, switches default
17277         debugging format to ELF.
17278         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
17279         longer pick it up there.
17280
17281 2005-01-31  Dale Johannesen  <dalej@apple.com>
17282
17283         * doc/extend.texi (nested functions): Fix linkage description.
17284         Clarify that static is not allowed.
17285
17286 2005-01-31  Dale Johannesen  <dalej@apple.com>
17287
17288         * config/rs6000/darwin.md (movsf_low_di):  Make work.
17289         (movdf_low_di):  Make work.
17290
17291 2005-01-31  Dale Johannesen  <dalej@apple.com>
17292
17293         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
17294         Make work for 64 bit.
17295
17296 2005-01-31  Roger Sayle  <roger@eyesopen.com>
17297             Dale Johannesen  <dalej@apple.com>
17298
17299         PR middle-end/19650
17300         * fold-const.c (fold_binary_op_with_conditional_arg):
17301         Make types match original operands, before STRIP_NOPS.
17302
17303 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
17304
17305         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
17306         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
17307         (struct gcc_sigcontext): Delete.  Merge contents to..
17308         (struct gcc_ucontext): ..here.
17309         (get_sigcontext): Delete.
17310         (get_regs): New function, like get_sigcontext but return regs ptr.
17311         64-bit version finds regs from r1 to support vdso.
17312         (ppc_linux_aux_vector): New function.
17313         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
17314         and vector regs.
17315
17316 2005-01-31  Ira Rosen  <irar@il.ibm.com>
17317
17318         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
17319         sizetype.
17320         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
17321         redundant fold. Fix misalignment for MINUS_EXPR.
17322         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
17323         (vect_analyze_pointer_ref_access): Likewise.
17324         (vect_get_memtag_and_dr): Likewise.
17325
17326 2005-01-31  Richard Henderson  <rth@redhat.com>
17327
17328         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
17329         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
17330         absnegdf2_i387, absnegxf2_i387): Likewise.
17331
17332 2005-01-31  Richard Henderson  <rth@redhat.com>
17333
17334         PR 19696
17335         * optabs.c (expand_copysign_absneg): New.
17336         (expand_copysign_bit): Split out from ...
17337         (expand_copysign): ... here.  Use expand_copysign_absneg.
17338
17339 2005-01-30  Roger Sayle  <roger@eyesopen.com>
17340
17341         PR middle-end/19697
17342         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
17343         constant as the second operand and a register as the third.
17344
17345 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
17346
17347         PR target/19704
17348         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
17349         that dllimport'd functions do not use all call-clobbered registers
17350         to pass parameters.
17351
17352 2005-01-30  Richard Henderson  <rth@redhat.com>
17353
17354         PR 19696
17355         * optabs.c (expand_absneg_bit): Split out from expand_unop and
17356         expand_abs_nojump and generalize.  Use operand_subword and
17357         emit_no_conflict_block.  Support large modes.
17358         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
17359         back to maximum.
17360         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
17361         negation to subtraction.
17362         (expand_copysign): Check that the format has signed zeros.
17363         Use operand_subword and emit_no_conflict_block.  Support large modes.
17364
17365 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
17366
17367         Fix PR tree-optimization/19624
17368
17369         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
17370         * tree-ssa-pre.c: Add cfgloop.h.
17371         Update comment.
17372         (pre_stats): New member, constified.
17373         (inserted_exprs): New static variable.
17374         (NECESSARY): New macro.
17375         (create_expression_by_pieces): Fold the expression, and
17376         mark it as defaulting to not necessary. Also put in
17377         inserted_exprs.
17378         (fully_constant_expression): New function.
17379         (insert_into_preds_of_block): Modify to not insert phis when we
17380         are playing with induction variables.
17381         Push phis onto the inserted_exprs vector, and mark them as not
17382         necessary by default.
17383         (insert_aux): Call fully_constant_expression on eprime.
17384         If all edges produce the same value, mark it constant.
17385         (mark_operand_necessary): New function.
17386         (remove_dead_inserted_code): New function.
17387         (init_pre): Init loop optimizer to get loop info.
17388         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
17389         (execute_pre): Commit edge inserts, then remove dead code.
17390
17391 2005-01-30  Richard Henderson  <rth@redhat.com>
17392
17393         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
17394         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
17395
17396 2005-01-30  Richard Henderson  <rth@redhat.com>
17397
17398         PR target/19700
17399         * config/i386/i386.c (ix86_expand_copysign): New.
17400         (ix86_split_copysign_const): New.
17401         (ix86_split_copysign_var): Rename from ix86_split_copysign,
17402         rearrange op1/nmask operands.
17403         * config/i386/i386-protos.h: Update.
17404         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
17405         (copysigndf3): Likewise.
17406         (copysignsf3_const, copysigndf3_const): New.
17407         (copysignsf3_var): Rename from copysignsf3, split out splitter
17408         and fix split predicate for X constraint.
17409         (copysigndf3_var): Similarly.
17410
17411 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
17412
17413         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
17414         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
17415         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
17416
17417 2005-01-29  Richard Henderson  <rth@redhat.com>
17418
17419         PR target/19690
17420         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
17421         of # and * in constraints.
17422
17423 2005-01-29  Richard Henderson  <rth@redhat.com>
17424
17425         PR middle-end/19689
17426         * expr.c (store_field): Don't strip sub-mode cast when the input
17427         data is even smaller.
17428
17429 2005-01-29  Richard Henderson  <rth@redhat.com>
17430
17431         PR middle-end/19687
17432         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
17433         union being empty.
17434
17435 2005-01-29  Richard Henderson  <rth@redhat.com>
17436
17437         * combine.c (make_field_assignment): Fix argument order
17438         to gen_int_mode.
17439
17440 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
17441
17442         PR tree-optimization/15791
17443         * fold-const.c (extract_array_ref): New function.
17444         (fold): Fold comparisons between &a[i] and &a[j] or
17445         semantically equivalent trees.
17446
17447 2005-01-29  Jeff Law  <law@redhat.com>
17448
17449         * gcse.c (insert_expr_in_table): Revamp handling of available
17450         and anticipatable occurrence lists to avoid unnecessary list
17451         walking.
17452         (insert_set_in_table): Similarly.
17453
17454 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
17455
17456         * c-common.c (fix_string_type): Just use c_build_qualified_type to
17457         build string type.
17458         (c_build_qualified_type): Build qualified array types with
17459         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
17460         * c-decl.c (c_make_fname_decl): Build unqualified array type
17461         before qualified type.
17462         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
17463         type is qualified, not just if type itself is.  Don't apply
17464         qualifiers to array type when declarator is processed.  Apply
17465         qualifiers to field type whether or not it is an array type.
17466         Don't handle array types specially for applying qualifiers to
17467         variables.
17468         * c-typeck.c (composite_type): Build unqualified element type and
17469         array type when forming composite of array types.
17470         (common_pointer_type, comptypes, comp_target_types,
17471         type_lists_compatible_p, build_indirect_ref, build_array_ref,
17472         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
17473         types.
17474         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
17475         (args2) in variables a1 and a2.
17476
17477 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
17478
17479         * cse.c (n_elements_made, max_elements_made): Remove.
17480         (insert): Don't touch n_elements_made.
17481         (cse_main): Don't touch n_elements_made or max_elements_made.
17482
17483 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
17484
17485         PR target/15384
17486         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
17487         configuration part of dp-bit.c to be lost.
17488
17489 2005-01-28  Roger Sayle  <roger@eyesopen.com>
17490
17491         * expmed.c (expand_mult_highpart_optab): When attempting to use
17492         a non-widening multiplication in a wider mode, the operands need
17493         to be converted (zero or sign extended) to that mode.
17494
17495 2005-01-28  Ian Lance Taylor  <ian@airs.com>
17496
17497         PR middle-end/16558
17498         PR middle-end/19583
17499         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
17500         through if both operands fall through.
17501
17502 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
17503
17504         * cse.c (fold_rtx) <PC>: Don't optimize.
17505
17506 2005-01-28  Jeff Law  <law@redhat.com>
17507
17508         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
17509         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
17510
17511 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
17512
17513         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
17514         cse_reg_info_used_list_end): Remove.
17515         (cse_reg_info_list, cse_reg_info_list_free): New.
17516         (get_cse_reg_info): When allocating an instance of
17517         cse_reg_info, add it to the beginning of the cse_reg_info_list
17518         list.  Remove code to maintain cse_reg_info_used_list.
17519         (new_basic_block): Reset the free list to the beginning of
17520         cse_reg_info_list.
17521
17522 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
17523
17524         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
17525         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
17526         (frv_expand_mdpackh_builtin): New function.
17527         (frv_expand_builtin): Use it to expand __MDPACKH.
17528         * doc/extend.texi (__MDPACKH): Update documentation.
17529
17530 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
17531
17532         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
17533         SSE_FLOAT_MODE_P for use_sse computation.
17534
17535 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
17536
17537         PR target/19663
17538         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
17539
17540 2005-01-27  Richard Henderson  <rth@redhat.com>
17541
17542         * builtins.c (expand_builtin_copysign): New.
17543         (expand_builtin): Call it.
17544         * genopinit.c (optabs): Add copysign_optab.
17545         * optabs.c (init_optabs): Initialize it.
17546         (expand_copysign): New.
17547         * optabs.h (OTI_copysign, copysign_optab): New.
17548         (expand_copysign): Declare.
17549
17550         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
17551         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
17552
17553         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
17554         (ix86_expand_fp_absneg_operator): ... here.
17555         (ix86_split_copysign): New.
17556         * config/i386/i386-protos.h: Update.
17557         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
17558         (copysignsf3, copysigndf3): New.
17559
17560         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
17561         (copysignsf3, ncopysignsf3): New.
17562         (copysigndf3, ncopysigndf3): New.
17563         (copysignxf3, ncopysignxf3): New.
17564         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
17565
17566 2005-01-27  Arend Bayer  <arend.bayer@web.de>
17567             Kazu Hirata  <kazu@cs.umass.edu>
17568
17569         * cse.c: (find_best_addr): Don't call copy_rtx before calling
17570         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
17571         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
17572         NULL_RTX.
17573
17574 2005-01-27  Jeff Law  <law@redhat.com>
17575
17576         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
17577         definitions of SSA_NAMEs which are not being rewritten.
17578         (rewrite_ssa_into_ssa): Only initialize the current definition
17579         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
17580         If checking is enabled, assert that SSA_NAME_AUX is clear for all
17581         SSA_NAMEs before returning.
17582
17583 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
17584
17585         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
17586         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
17587         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
17588         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
17589         config/mips/iris6.h, config/sh/sh.c: Update copyright.
17590
17591 2005-01-27  Steven Bosscher  <stevenb@suse.de>
17592
17593         PR middle-end/17278
17594         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
17595         higher to -O2 and higher.  Likewise for tree PRE.
17596         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
17597         and better.
17598
17599 2005-01-27  Ian Lance Taylor  <ian@airs.com>
17600
17601         PR middle-end/19583
17602         * gimple-low.c (try_catch_may_fallthru): New static function.
17603         (block_may_fallthru): Handle TRY_CATCH_EXPR.
17604         * tree-inline.c (expand_call_inline): Don't warn about reaching
17605         the end of a non-void function being inlined if the function uses
17606         a return slot.
17607
17608 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
17609
17610         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
17611
17612         PR c/18946
17613         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
17614         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
17615         (implicitly_declare): Handle error_mark_node.
17616
17617 2005-01-27  Richard Henderson  <rth@redhat.com>
17618
17619         PR tree-opt/14329
17620         * tree.h (struct tree_decl): Add debug_expr_is_from.
17621         (DECL_DEBUG_EXPR_IS_FROM): New.
17622         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
17623         * dwarf2out.c (dwarf2out_var_location): Update to match.
17624         * tree-outof-ssa.c (create_temp): Likewise.
17625         * var-tracking.c (track_expr_p): Likewise.
17626         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
17627         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
17628         * toplev.c (default_tree_printer): Likewise.
17629
17630 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
17631
17632         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
17633         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
17634
17635 2005-01-27  Steven Bosscher  <stevenb@suse.de>
17636
17637         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
17638         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
17639         ASM_CLOBBERS): Add tree checks.
17640
17641         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
17642         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
17643         * c-common.def (SWITCH_STMT): Update to match.
17644         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
17645         macros instead of SWITCH_EXPR ones.
17646         * c-dump.c (c_dump_tree): Likewise.
17647         * c-gimplify.c (gimplify_switch_stmt): Likewise.
17648         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
17649
17650         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
17651
17652 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
17653
17654         * unwind-dw2.c (execute_stack_op): Add missing cases for
17655         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
17656
17657 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
17658
17659         * config.gcc (Obsolete configurations): Remove 'dummy', add
17660         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
17661         sparc-*-openbsd*.
17662
17663 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
17664
17665         PR tree-optimization/19633
17666         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
17667         CALL_EXPRs.
17668         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
17669         are no call-clobbered variables.
17670         * tree-outof-ssa.c (check_replaceable): Return false for calls
17671         with side-effects.
17672
17673 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
17674
17675         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
17676         even for variables with NULL DECL_INITIAL.
17677
17678 2005-01-26  Stuart Hastings  <stuart@apple.com>
17679
17680         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
17681
17682 2005-01-26  Richard Henderson  <rth@redhat.com>
17683
17684         PR middle-end/18008
17685         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
17686         field's type.
17687         * expr.c (store_field): Strip conversions to odd-bit-sized types
17688         if the destination field width matches.
17689
17690 2005-01-26  Richard Henderson  <rth@redhat.com>
17691
17692         * c-decl.c, expmed.c, expr.c: Revert last change.
17693
17694 2005-01-26  Richard Henderson  <rth@redhat.com>
17695
17696         PR middle-end/18008
17697         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
17698         field's type.
17699         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
17700         if we don't need the bits above those present in the current mode.
17701         * expr.c (store_field): Strip conversions to odd-bit-sized types
17702         if the destination field width matches.
17703
17704 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
17705
17706         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
17707         either -ffast-math or -funsafe-math-optimizations is in use.
17708
17709 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
17710
17711         PR target/19293
17712         PR target/19329
17713         * config/avr/avr.c (notice_update_cc): Only set condition code for
17714         ashrqi3 if shift count > 0.
17715         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
17716         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
17717         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
17718         count <= 0 as a no-op, and shift count >= width by copying zero
17719         or sign bit to all bits of the result.
17720         * config/avr/avr.md (all shifts): Add alternatives for zero shift
17721         count, with attribute "length" set to 0 and "cc" set to "none".
17722
17723 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
17724
17725         * doc/invoke.texi: Document -mTLS.
17726
17727         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
17728         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
17729         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
17730         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
17731         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
17732         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
17733         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
17734         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
17735
17736         * configure.ac: Check for a TLS capable gas.
17737
17738         * configure: Regenerate.
17739
17740 2005-01-26  Richard Henderson  <rth@redhat.com>
17741
17742         PR middle-end/18008
17743         * combine.c (make_field_assignment): Simplify store to zero_extract
17744         from a source with an overlapping mask.
17745
17746 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
17747
17748         2004-11-11  Eric Christopher  <echristo@redhat.com>
17749
17750         * config/frv/frv.md: Add fr400_integer automaton. Don't
17751         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
17752         to TYPE_MACC.
17753
17754 2005-01-26  Steven Bosscher  <stevenb@suse.de>
17755
17756         PR middle-end/16585
17757         * cfgbuild.c (make_edges): Do not clear or set
17758         current_function_has_computed_jump.
17759         * function.h (struct function): Remove the has_computed_jump field.
17760         (current_function_has_computed_jump): Do not define.
17761         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
17762         in a computed jump.  Ignore current_function_has_computed_jump.
17763
17764 2005-01-26  Richard Henderson  <rth@redhat.com>
17765
17766         PR middle-end/19515
17767         * expr.c (categorize_ctor_elements): New argument p_must_clear.
17768         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
17769         fully initialized.
17770         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
17771         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
17772         objects into static storage if they have more than one non-zero value.
17773         * tree.h (categorize_ctor_elements): Update decl.
17774
17775 2005-01-26  Steven Bosscher  <stevenb@suse.de>
17776
17777         PR middle-end/19616
17778         * tree.h (CALL_EXPR_TAILCALL): Add comment.
17779         * calls.c (check_sibcall_argument_overlap_1): Revert the change
17780         to this function from 2004-07-10.
17781         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
17782         the current function for tail call optimizations if the address
17783         of one of it its arguments is taken.
17784
17785 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
17786
17787         * cse.c (fold_rtx): Call equiv_constant only when necessary.
17788
17789 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
17790
17791         * function.c (expand_function_end): If current_function_calls_alloca,
17792         emit stack restore in a place that is reached when the function falls
17793         through at the end.
17794
17795 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
17796
17797         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
17798         rule to avoid matching inappropriate suffix rule.
17799
17800 2005-01-26  Jan Hubicka  <jh@suse.cz>
17801
17802         PR tree-optimization/19241
17803         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
17804
17805 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
17806
17807         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
17808         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
17809         of doubling.
17810         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
17811         <sim*>: Always use crt1.o, regardless of N in simN.
17812         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
17813         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
17814         (CRT_CALL_STATIC_FUNCTION): Remove.
17815         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
17816         use crt1.o, regardless of N in simN.
17817         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
17818         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
17819         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
17820         case isystem setting.
17821         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
17822
17823 2005-01-25  Ian Lance Taylor  <ian@airs.com>
17824
17825         * gimple-low.c (block_may_fallthru): Correct handling of
17826         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
17827
17828 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
17829
17830         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
17831         handlers to match indentation; nested under the mtune=* handler.
17832         Similar for mcpu= and march=.
17833
17834 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
17835
17836         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
17837         * config/mips/linux64.h (LIB_SPEC): Likewise.
17838         * config/mn10300/linux.h (LIB_SPEC): Likewise.
17839         * config/sh/linux.h (LIB_SPEC): Likewise.
17840
17841 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
17842
17843         * config/frv/frv.c (frv_legitimize_tls_address): New.
17844         (TARGET_HAVE_TLS): Define.
17845         (FRV_SYMBOL_REF_TLS_P): Define.
17846         (frv_override_options): Handle new register classes.
17847         (frv_legitimate_address_p): Reject tls addresses.
17848         (frv_legitimize_address): Handle TLS addresses.
17849         (gen_inlined_tls_plt): New.
17850         (gen_tlsmoff): New.
17851         (frv_legitimize_tls_address): New.
17852         (unspec_got_name): Add TLS entries.
17853         (got12_operand): Add R_FRV_TLSMOFF12 case.
17854         (frv_emit_move): Fixup TLS addresses.
17855         (frv_emit_movsi): Legitimize TLS addresses.
17856
17857         * config/frv/frv.h (MASK_BIG_TLS): New.
17858         (TARGET_BIG_TLS): New.
17859         (HAVE_AS_TLS): Define.
17860         (TARGET_SWITCHES): Add -mTLS and -mtls options.
17861         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
17862         (REG_CLASS_NAMES): Same.
17863         (REG_CLASS_CONTENTS): Same.
17864         (CONSTRAINT_LEN): New.
17865         (REG_CLASS_FROM_CONSTRAINT): New.
17866         (PREDICATE_CODES): Add symbolic_operand.
17867
17868         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
17869         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
17870         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
17871         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
17872         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
17873         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
17874         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
17875         GR9_REG, GR14_REG, LRREG.
17876         (type): Add load_or_call attribute.
17877         ("load_or_call"): New reservation.
17878         ("call_gettlsoff"): New.
17879         ("tls_indirect_call"): New.
17880         ("tls_load_gottlsoff12"): New.
17881         ("tlsoff_hilo"): New.
17882         ("tls_tlsdesc_ldd"): New.
17883         ("tls_tlsoff_ld"): New.
17884         ("tls_lddi"): New.
17885
17886         * config/frv/frv-protos.h (symbolic_operand): Protoize.
17887
17888         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
17889
17890         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
17891         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
17892         * config/frv/frv.c (TLS_BIAS): Define.
17893         (frv_output_dwarf_dtprel): New.
17894
17895 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
17896
17897         PR rtl-optimization/19579
17898         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
17899         both A and B, see if they don't clobber registers the other expr uses.
17900
17901 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
17902
17903         * real.c (do_add): Initialize signalling and canonical members.
17904
17905         * real.c (real_from_integer): Zero out destination.
17906
17907 2005-01-18  Jan Hubicka  <jh@suse.cz>
17908
17909         PR tree-optimize/19337
17910         * tree-inline.c (initialize_inlined_parameters): Copy
17911         saved_static_chain_decl only.
17912
17913 2005-01-25  Richard Henderson  <rth@redhat.com>
17914
17915         PR target/19556
17916         PR target/19584
17917         * config/i386/i386.c (x86_inter_unit_moves): Zero.
17918         (ix86_preferred_reload_class): Rewrite fp-constant section, with
17919         80387 enabled, to return a proper subclass.  Return the subset that
17920         overlaps with GENERAL_REGS for PLUS.
17921         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
17922
17923 2005-01-25  Richard Henderson  <rth@redhat.com>
17924
17925         PR middle-end/19609
17926         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
17927
17928 2005-01-25  Roger Sayle  <roger@eyesopen.com>
17929
17930         * expmed.c (choose_multiplier): Change interface to return the
17931         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
17932         (expand_divmod): Update calls to choose_multiplier.
17933
17934 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17935
17936         PR middle-end/19330
17937         * expmed.c (extract_bit_field): Use adjust_address instead of
17938         gen_lowpart when op0 is a MEM.
17939
17940 2005-01-24  Steven Bosscher  <stevenb@suse.de>
17941
17942         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
17943
17944 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
17945
17946         * config/mips/irix-csr.c: New file.
17947         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
17948         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
17949         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
17950         executables.
17951
17952 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
17953
17954         PR bootstrap/19364
17955         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
17956         sparc/elf.h, add sparc/sp-elf.h.
17957         (sparc-*-rtems*): Likewise.
17958         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
17959         tm-dwarf2.h, add sparc/sp-elf.h.
17960         (sparc86x-*-elf): Likewise.
17961         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
17962         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
17963         TARGET_OS_CPP_BUILTINS.
17964         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17965         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
17966         Undefine it.
17967         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
17968         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
17969         (SWITCH_TAKES_ARG): Likewise.
17970         (LOCAL_LABEL_PREFIX): Likewise.
17971         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
17972         (TARGET_N_FORMAT_TYPES): Delete.
17973         (TARGET_FORMAT_TYPES): Likewise.
17974         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17975         * config/sparc/elf.h: Delete.
17976         * config/sparc/sp-elf.h: New file.
17977
17978 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
17979
17980         * tree-flow-inline.h (phi_arg_from_edge): Remove.
17981         * tree-flow.h: Remove the corresponding prototype.
17982         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
17983         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
17984
17985 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
17986
17987         PR target/17751
17988         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
17989         for AIX ABI or ELF -fPIC.
17990         (rs6000_emit_load_toc_table): Don't create toc_section here.
17991         (rs6000_xcoff_file_start): Nor here.
17992
17993 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
17994
17995         * sh.c (ra.h): Don't #include.
17996         (hard_regs_intersect_p): New function, resurrected from ra.c.
17997
17998         * sh.c: Fix 1996 Copyright.
17999
18000 2005-01-24  Richard Henderson  <rth@redhat.com>
18001             Aldy Hernandez  <aldyh@redhat.com>
18002
18003         * regrename.c (note_sets): Handle subregs.
18004
18005 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
18006
18007         PR bootstrap/18058
18008         * genconditions.c (write_header, write_conditions): Elide file if
18009         not GCC >= 3.0.1.
18010
18011 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
18012
18013         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
18014         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
18015         Update copyright.
18016
18017 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
18018
18019         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
18020         expand_builtin_printf, expand_builtin_fprintf,
18021         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
18022         checking against POINTER_TYPE.
18023         (validate_arglist): Handle POINTER_TYPE code by checking
18024         POINTER_TYPE_P.
18025
18026 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
18027
18028         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
18029         init_rtlanal): New.
18030         (for_each_rtx): Call for_each_rtx_1.
18031         * rtl.h (init_rtlanal): Declare.
18032         * toplev.c (backend_init): Call init_rtlanal.
18033
18034 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
18035
18036         * flow.c (propagate_one_insn): Formatting.
18037
18038         PR middle-end/19551
18039         * flow.c (libcall_dead_p): Be more conservative if unsure.
18040         If there are any instructions between insn and call, see if they are
18041         all dead before saying the libcall is dead.
18042
18043 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
18044
18045         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
18046         operand constraint for operand 0.
18047
18048 2005-01-23  Richard Henderson  <rth@redhat.com>
18049
18050         PR 19486
18051         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
18052         edges leading to join block.
18053
18054 2005-01-23  Roger Sayle  <roger@eyesopen.com>
18055
18056         * expmed.c (expand_mult_highpart): Make static.  Change type of
18057         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
18058         (expand_divmod): Updates calls to expand_mult_highpart by using
18059         gen_int_mode to pass a CONST_INT rtx.
18060         * rtl.h (expand_mult_highpart): Remove prototype.
18061
18062 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18063
18064         * flow.c (regset_bytes, regset_size): Remove.
18065
18066         * cfganal.c: Fix a reference to Harvey's paper.
18067
18068 2005-01-23  Steven Bosscher  <stevenb@suse.de>
18069
18070         PR rtl-optimization/19464
18071         * tree-optimize.c (init_tree_optimization_passes): Add one more
18072         copyrename pass just before out-of-ssa.
18073
18074 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
18075
18076         PR bootstrap/18058
18077         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
18078         * ggc-none.c (ggc_free): Define.
18079
18080 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18081
18082         * cse.c (max_reg, max_insn_uid): Remove.
18083         (cse_main): Don't access max_reg or max_insn_uid.
18084
18085         * c-common.c (explicit_flag_signed_bitfields,
18086         lang_statement_code_p, lang_expand_function_end): Remove.
18087         * c-common.h: Remove the corresponding declarations.
18088         * c-opts.c (c_common_handle_option): Remove all write access
18089         to explicit_flag_signed_bitfields.
18090
18091         * cgraph.c (cgraph_varpool_n_nodes): Remove.
18092         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
18093         * cgraph.h: Remove the corresponding declaration.
18094
18095         * gcse.c (null_pointer_info): Remove.
18096
18097 2005-01-23  Roger Sayle  <roger@eyesopen.com>
18098             Eric Botcazou  <ebotcazou@libertysurf.fr>
18099
18100         * combine.c (simplify_logical): Only simplify logical expressions
18101         of the form ior(and(x,y),z) by the inverse distributive law if the
18102         result is cheaper than the original.
18103
18104 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
18105
18106         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
18107         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
18108         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
18109         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
18110         config/freebsd-spec.h, config/arm/arm.h,
18111         config/h8300/h8300.md, config/i386/i386.md,
18112         config/i386/predicates.md, config/i386/sse.md,
18113         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
18114         config/vax/vax.md: Fix comment typos.  Follow spelling
18115         conventions.
18116
18117 2005-01-23  Steven Bosscher  <stevenb@suse.de>
18118
18119         * gengtype.c (walk_type): Produce `not equal to' compares for loop
18120         tests, instead of `less than'.
18121
18122 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
18123
18124         * function.c (assign_parm_setup_block): When creating a new stack slot
18125         for a parameter, get its alignment from the parameter's DECL_ALIGN
18126         rather than the type's TYPE_ALIGN.  Make sure that the parameter
18127         is at least word aligned.
18128
18129 2005-01-22  Roger Sayle  <roger@eyesopen.com>
18130
18131         PR middle-end/19378
18132         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
18133
18134 2005-01-22  Richard Henderson  <rth@redhat.com>
18135
18136         PR target/19506
18137         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
18138         in both compare operands.
18139         (movdfcc_1_sse_max): Likewise.
18140         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
18141         (movdfcc_1_sse): Likewise.
18142         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
18143         scratch register as needed.
18144
18145 2005-01-22  Richard Henderson  <rth@redhat.com>
18146
18147         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
18148
18149         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
18150
18151 2005-01-22  Richard Henderson  <rth@redhat.com>
18152
18153         * genopinit.c (optabs): Use smin/smax for floating point too.
18154         * doc/md.texi: Update to match.  Clarify that floating point
18155         results are undefined for +0/-0 and NaN.
18156         * doc/rtl.texi: Likewise.
18157         * rtl.def (SMIN, SMAX): Likewise
18158         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
18159
18160         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
18161         leading 's' to the name.
18162         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
18163         smaxxf3, sminxf3): Likewise.
18164         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
18165         Likewise.
18166
18167 2005-01-22  Paul Brook  <paul@codesourcery.com>
18168
18169         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
18170
18171 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
18172
18173         * config/s390/s390.c (struct processor_costs): New fields
18174         dlgr, dlr, dr, dsgfr, dsgr.
18175         (z900_cost, z990_cost): Values for new fields.
18176         (s390_rtx_costs): New cases MEM und COMPARE in switch
18177         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
18178         DIV, MOD, UDIV, UMOD.
18179
18180 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
18181
18182         * config/s390/s390.md ("doloop_si64"): Reload input value directly
18183         into the register being decremented.
18184         ("doloop_si31", "doloop_di"): Likewise.
18185         ("*doloop_si_long"): Adapt pattern.
18186
18187 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
18188
18189         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
18190         access registers.
18191         (CLASS_MAX_NREGS): Likewise.
18192
18193 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
18194
18195         * doc/tree-ssa.texi (Statement Operands): Add example for new
18196         must-def macro. Note deprecation of old operands interface.
18197
18198 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
18199
18200         PR tree-optimization/19484
18201         * tree-cfg.c (remove_fallthru_edge): New function.
18202         (cleanup_control_flow): Remove fallthru edges from calls that are
18203         now known not to return.
18204
18205 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
18206
18207         Fix PR tree-optimization/19038
18208         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
18209         copies with loop variant ones.
18210
18211 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
18212
18213         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
18214         config/alpha/alpha-protos.h, config/alpha/alpha.h,
18215         config/alpha/alpha.md, config/alpha/predicates.md,
18216         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
18217         config/sparc/sol2.h: Update copyright.
18218
18219         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
18220         first label to see if it is a nonlocal label.
18221
18222 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
18223             Andrew Pinski  <pinskia@physics.uc.edu>
18224
18225         PR target/19491
18226         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
18227         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
18228
18229 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
18230
18231         * config/rs6000/rtems.h: Update copyright.
18232
18233 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
18234
18235         PR target/19548
18236         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
18237         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
18238         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
18239
18240 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
18241
18242         PR c/18809
18243         * c-typeck.c (convert_arguments): Check for error_mark_node.
18244
18245 2005-01-21  Ian Lance Taylor  <ian@airs.com>
18246
18247         PR tree-optimization/13000
18248         * tree-inline.c: Include "tree-flow.h".
18249         (expand_call_inline): If warn_return_type, warn if non-void inline
18250         function falls through.
18251         * tree-cfg.c (execute_warn_function_return): Don't warn about
18252         control reaching end if TREE_NO_WARNING is set.  Set
18253         TREE_NO_WARNING.
18254         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
18255         has been lowered.
18256         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
18257         branch if we don't need one.
18258         * c-typeck.c: Include "tree-flow.h"
18259         (c_finish_bc_stmt): Don't add a goto if the current statement
18260         list doesn't fall through to the current point.
18261
18262 2005-01-21  Roger Sayle  <roger@eyesopen.com>
18263
18264         PR rtl-optimization/576
18265         * real.c (real_arithmetic): Change return type from void to bool
18266         to return an indication that the result may be inexact.
18267         * real.h (real_arithmeric): Update prototype.
18268         * fold-const.c (const_binop):  Don't constant fold floating
18269         point expressions when the user specifies -frounding-math and
18270         the result may depend upon the run-time rounding mode.
18271         (fold_convert_const_real_from_real): Clean-up.
18272         (fold_initializer): Ignore flag_rounding_math for initializers.
18273         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
18274         constant fold FP operations with flag_rounding_math if the
18275         result may depend upon the run-time rounding mode.
18276
18277 2005-01-21  Tom Tromey  <tromey@redhat.com>
18278
18279         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
18280
18281 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
18282
18283         * tree-cfg.c: Fix comment typos.
18284
18285 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
18286
18287         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
18288         around the call to rest_of_handle_branch_target_load_optimize.
18289
18290 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
18291
18292         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
18293         (sparc64-*-openbsd*): Likewise.
18294         (sparclite-*-elf*): Include tm-dwarf2.h.
18295         (sparc86x-*-elf*): Likewise.
18296         (sparc64-*-elf*): Likewise.
18297         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
18298         (DBX_DEBUGGING_INFO): Likewise.
18299         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
18300         (PREFERRED_DEBUGGING_TYPE): Likewise.
18301         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
18302         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
18303         (PREFERRED_DEBUGGING_TYPE): Likewise.
18304         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
18305         (PREFERRED_DEBUGGING_TYPE): Likewise.
18306         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
18307
18308 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
18309
18310         PR target/18701
18311         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
18312
18313 2005-01-20  Paul Brook  <paul@codesourcery.com>
18314
18315         * doc/rtl.texi: Document value extension requirements for CONST_INT.
18316
18317 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
18318
18319         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
18320         label is first in a sequence of labels.
18321
18322         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
18323
18324 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
18325             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
18326
18327         * doc/sourcebuild.texi (Test Directives): New.
18328
18329 2005-01-20  Roger Sayle  <roger@eyesopen.com>
18330
18331         * real.c (real_floor): Don't leave the result uninitialized when
18332         mode is VOIDMode, but return the unrounded intermediate value.
18333         (real_ceil): Likewise.
18334
18335 2005-01-20  Paul Brook  <paul@codesourcery.com>
18336
18337         * config/arm/arm.md (insv): Use gen_int_mode.
18338
18339 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
18340
18341         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
18342         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
18343         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
18344         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
18345         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
18346
18347 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
18348
18349         Fix PR debug/19124
18350         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
18351         fbreg, so we have to assume we can't.
18352         (loc_descriptor_from_tree_1): Ditto.
18353         (containing_function_has_frame_base): New function.
18354         (add_location_or_const_value_attribute): Use it.
18355         Also try to generate a frame_base from a single element location
18356         list.
18357
18358 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
18359
18360         PR tree-optimization/15349
18361         * timevar.def (TV_TREE_MERGE_PHI): New.
18362         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
18363         PHI_WANTED.
18364         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
18365         calls to tree_forwarder_block_p.
18366         (remove_forwarder_block_with_phi, merge_phi_nodes,
18367         gate_merge_phi, pass_merge_phi): New.
18368         * tree-optimize.c (init_tree_optimization_passes): Add
18369         pass_merge_phi.
18370         * tree-pass.h: Add an extern for pass_merge_phi;
18371
18372 2005-01-20  Richard Henderson  <rth@redhat.com>
18373
18374         PR target/19418
18375         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
18376         (_mm_castps_pd, _mm_castps_si128): New.
18377         (_mm_castsi128_ps, _mm_castsi128_pd): New.
18378
18379 2005-01-20  Richard Henderson  <rth@redhat.com>
18380
18381         PR target/19530
18382         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
18383         __builtin_ia32_vec_init_v2si.
18384         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
18385         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
18386         (ix86_init_mmx_sse_builtins): Create it.
18387         (ix86_expand_builtin): Expand it.
18388         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
18389         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
18390         (vec_extractv2si_0, vec_extractv2si_1): New.
18391
18392 2005-01-20  Richard Henderson  <rth@redhat.com>
18393
18394         PR target/16533
18395         * config/i386/i386.c (ix86_expand_push): New.
18396         * config/i386/mmx.md (push<MMXMODE>1): New.
18397         * config/i386/sse.md (push<SSEMODE>1): New.
18398         * config/i386/i386-protos.h: Update.
18399
18400 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
18401
18402         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
18403         copyright.
18404
18405 2005-01-20  Richard Henderson  <rth@redhat.com>
18406
18407         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
18408         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
18409
18410 2005-01-19  Richard Henderson  <rth@redhat.com>
18411
18412         PR target/19350
18413         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
18414         to V4SFmode in SSE1 fallback load path.
18415
18416 2005-01-19  Richard Henderson  <rth@redhat.com>
18417
18418         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
18419         in QImode expansion to ix86_expand_vector_set.
18420         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
18421
18422 2005-01-19  Richard Henderson  <rth@redhat.com>
18423
18424         PR target/19511
18425         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
18426         subclass of the input class.
18427         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
18428         Always true for cross-SSE1 classes.  Rationalize conditionals.
18429         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
18430         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
18431         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
18432         (movdi_2): Add MMX/SSE zeros.
18433         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
18434         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
18435         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
18436         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
18437         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
18438         (zero_extendsidi2_rex64_1): Remove.
18439         (MOV0 peephole): Check GENERAL_REG_P.
18440
18441 2005-01-19  Richard Henderson  <rth@redhat.com>
18442
18443         PR target/19427
18444         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
18445         shufps elements.
18446         (ix86_expand_vector_extract): Likewise.
18447
18448 2005-01-19  Richard Henderson  <rth@redhat.com>
18449
18450         PR middle-end/19304
18451         * expr.c (emit_move_change_mode): New argument force; use
18452         simplify_gen_subreg if true.
18453         (emit_move_via_alt_mode): Merge into ...
18454         (emit_move_via_integer): ... here.
18455         (emit_move_ccmode): Use emit_move_change_mode directly.
18456
18457 2005-01-19  Richard Henderson  <rth@redhat.com>
18458
18459         PR target/19518
18460         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
18461         (alpha_preferred_reload_class): Handle CONST_VECTOR.
18462         (alpha_emit_set_const_1): Add no_output parameter; don't emit
18463         rtl if true.
18464         (alpha_emit_set_const): Likewise.  Make static.
18465         (alpha_emit_set_long_const): Make static.
18466         (alpha_extract_integer): Split out from alpha_expand_mov.
18467         (alpha_split_const_mov): Likewise.
18468         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
18469         (alpha_legitimate_constant_p): New.
18470         * config/alpha/alpha-protos.h: Update.
18471         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
18472         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
18473         * config/alpha/alpha.md (movsi): Add n alternative.
18474         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
18475         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
18476         (splitters for all of the above): Use alpha_split_const_mov.
18477         * config/alpha/predicates.md (non_add_const_operand): New.
18478         (non_zero_const_operand): New.
18479         (input_operand): Use alpha_legitimate_constant_p after reload.
18480
18481 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
18482
18483         PR tree-optimization/19038
18484         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
18485         (add_candidate): Add ivs with increment in latch only if
18486         allow_ip_end_pos_p is true.
18487         (determine_iv_cost): Use empty_block_p.
18488
18489 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
18490
18491         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
18492         (compute_dominance_frontiers): Ditto.
18493
18494 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
18495
18496         PR target/19529
18497         * config/sh/t-rtems: New.
18498         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
18499
18500 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
18501
18502         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
18503         the offset of the selected field.
18504
18505 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
18506
18507         * tree-cfg.c (remove_forwarder_block): Fix the check to
18508         prevent a nonlocal label from appearing in the middle of a
18509         basic block.
18510
18511 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
18512
18513         PR rtl-optimization/19462
18514         * reorg.c (find_end_label): Create return insn only if
18515         current_function_epilogue_delay_list is empty.
18516
18517 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
18518
18519         * doc/passes.texi: Remove paragraph mentioning new-ra.
18520
18521 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
18522
18523         PR rtl-optimization/15139
18524         * combine.c: Include params.h.
18525         (count_rtxs): New function.
18526         (record_value_for_reg): If replace_rtx would replace at least
18527         2 occurrences of REG in VALUE and TEM is really large, replace REG with
18528         (clobber (const_int 0)) instead of TEM.
18529         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
18530         * params.h (MAX_LAST_VALUE_RTL): New.
18531         * Makefile.in (combine.o): Depend on $(PARAMS_H).
18532         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
18533
18534         PR c/17297
18535         * c-typeck.c (digest_init): Only call build_vector if all constructor
18536         elements are *_CST nodes.
18537         * gimplify.c (gimplify_init_constructor): Likewise.
18538
18539         PR middle-end/19164
18540         * c-typeck.c (digest_init): Only call build_vector if inside_init
18541         is a CONSTRUCTOR.
18542
18543 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
18544
18545         * toplev.c (init_asm_output): Remove dead #ifdef.
18546
18547 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
18548
18549         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
18550
18551 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
18552
18553         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
18554         accessing DECL_FUNCTION_CODE.
18555         * dojump.c (do_jump): Likewise.
18556         * gimplify.c (gimplify_call_expr): Likewise.
18557         * predict.c (expr_expected_value): Likewise.
18558         (strip_builtin_expect): Likewise.
18559         * tree-inline.c (estimate_num_insns_1): Likewise.
18560         * tree-ssa-loop-im.c (stmt_cost): Likewise
18561         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
18562         (tree_expr_nonnegative_p): Likewise.
18563
18564 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
18565
18566         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
18567         variant of the load_pcrel_sym pattern.
18568         * config/sparc/sparc.md (P macro): Move to the top.
18569         (load_pcrel_sym): Macroize using P.
18570         (save_register_window): Likewise.
18571
18572 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
18573
18574         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
18575         ("sordered"): Same.
18576
18577 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
18578
18579         PR C/19472
18580         * c-typeck.c (build_asm_expr): Strip nops off
18581         input memory operands.
18582
18583 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
18584
18585         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
18586         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
18587         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
18588         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
18589
18590 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
18591
18592         PR target/19379
18593         * config/i386/i386.c (override_options): If the 80387 is disabled,
18594         then do not return FP values using FP registers.
18595
18596 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
18597
18598         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
18599         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
18600         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
18601         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
18602         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
18603         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
18604         output.h, postreload-gcse.c, postreload.c, recog.c,
18605         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
18606         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
18607         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
18608         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
18609         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
18610         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
18611         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
18612         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
18613
18614         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
18615         config/alpha/alpha.c, config/arm/vfp.md,
18616         config/i386/emmintrin.h, config/i386/i386-modes.def,
18617         config/i386/i386-protos.h, config/i386/i386.h,
18618         config/i386/pmmintrin.h, config/i386/ppro.md,
18619         config/i386/predicates.md, config/i386/xmmintrin.h,
18620         config/i860/i860.c, config/ia64/ia64-modes.def,
18621         config/ia64/ia64-protos.h, config/ia64/ia64.h,
18622         config/ia64/ia64.md, config/ia64/itanium1.md,
18623         config/ia64/itanium2.md, config/ia64/predicates.md,
18624         config/iq2000/iq2000.h, config/mips/linux64.h,
18625         config/rs6000/aix41.h, config/rs6000/aix43.h,
18626         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
18627         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
18628         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
18629         config/sparc/linux64.h, config/sparc/litecoff.h,
18630         config/sparc/sp64-elf.h, config/sparc/sparc.c,
18631         config/sparc/sparc.h, config/sparc/sparc.md,
18632         config/sparc/sysv4-only.h: Update copyright.
18633
18634 2005-01-18  Richard Henderson  <rth@redhat.com>
18635
18636         PR target/19496
18637         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
18638
18639 2005-01-18  Marc Espie  <espie@openbsd.org>
18640         * config/i386/openbsdelf.h: Typo.
18641
18642 2005-01-18  Richard Henderson  <rth@redhat.com>
18643
18644         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
18645         special case for sse.
18646         * config/i386/predicates.md (sse_comparison_operator): Likewise.
18647
18648 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
18649
18650         * tree-inline.c (estimate_num_insns_1): Added cases for
18651         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
18652
18653 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
18654
18655         PR rtl-optimization/19296
18656         * combine.c (simplify_comparison): Rewrite the condition under
18657         which a non-paradoxical SUBREG of a PLUS can be lifted when
18658         compared against a constant.
18659
18660 2005-01-18  Andi Kleen <ak@muc.de>
18661
18662         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
18663         * c.opt (-Wpointer-sign): Add.
18664         * doc/invoke.texi: (-Wpointer-sign): Add.
18665
18666 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
18667
18668         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
18669         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
18670         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
18671         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
18672         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
18673         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
18674         for TARGET_MIX_SSE_I387.
18675         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
18676         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
18677         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
18678         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
18679         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
18680         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
18681         TARGET_MIX_SSE_I387.
18682         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
18683         from expander.
18684
18685 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
18686
18687         PR target/19424
18688         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
18689         Add movaps alternative for xmm reg->reg move.
18690
18691 2005-01-17  Jeff Law  <law@redhat.com>
18692
18693         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
18694         at the end of the main DOM loop rather than just before DOM exits.
18695
18696 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
18697
18698         PR tree-optimization/19121
18699         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
18700         adding aliases to a name tag, also add them to the pointer's
18701         type tag.
18702         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
18703         sensitive alias info at all.  Only check that the two pointers
18704         have compatible pointed-to sets.
18705         * tree-ssa.c (verify_name_tags): Verify that the alias set of
18706         a pointer's type tag is a superset of the alias set of the
18707         pointer's name tag.
18708
18709 2005-01-17  James E Wilson  <wilson@specifixinc.com>
18710
18711         PR target/19357
18712         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
18713         comment to document why.
18714
18715 2005-01-17  Richard Henderson  <rth@redhat.com>
18716
18717         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
18718         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
18719         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
18720         sse2_vmsminv2df3_finite): New.
18721         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
18722         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
18723         Force op1 into register.
18724
18725 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
18726
18727         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
18728         bubblestrap from always rebuilding build directory.
18729
18730 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
18731
18732         * config/s390/s390.md ("*clc"): Remove incorrect '='.
18733         ("*cmpmem_short"): Likewise.
18734
18735 2005-01-17  Steven Bosscher  <stevenb@suse.de>
18736
18737         * basic-block.h: Document BB_* flags.
18738         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
18739         use an sbitmap instead.
18740         * sched-rgn.c (compute_trg_info): Likewise.
18741
18742 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
18743
18744         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
18745         redundant target_cpu_default and extra_parts lines.  Use the default
18746         "from-abi" ISA.
18747         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
18748         (SUBTARGET_EXTRA_SPECS): Delete.
18749         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
18750         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
18751         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
18752         and "n32" for -mabi=n32.
18753
18754 2005-01-17  Ian Lance Taylor  <ian@airs.com>
18755
18756         PR c/5675
18757         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
18758         fold constant variables into initial values.
18759
18760 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
18761
18762         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
18763
18764         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
18765         through the statements backward.
18766
18767 2005-01-17  Ian Lance Taylor  <ian@airs.com>
18768
18769         PR middle-end/13127:
18770         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
18771         a variable set to the return value of the inlined function.
18772
18773 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
18774
18775         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
18776         when modes are tieable.
18777
18778 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
18779
18780         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
18781         of pthread_create to find out if threads are enabled.
18782         * gthr-posix95.h (__gthread_active_p): Likewise.
18783
18784 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
18785
18786         * common.opt (-fnew-ra): Remove.
18787         * ra*.*: Remove.
18788         * toplev.h (flag_new_regalloc): Remove.
18789         * Makefile.in (ra*.*): Don't mention.
18790         * passes.c (rest_of_handle_new_regalloc): Remove.
18791         (rest_of_handle_combine, rest_of_compilation): Always consider
18792         flag_new_regalloc as false.
18793         * doc/invoke.texi: Don't document -fnew-ra.
18794
18795 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
18796
18797         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
18798         last parameter to reg_scan.
18799         * loop.c (loop_optimize): Likewise.
18800         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
18801         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
18802         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
18803         rest_of_handle_gcse, rest_of_handle_loop_optimize,
18804         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
18805         * regclass.c (reg_scan): Likewise, for the declaration.
18806         * rtl.h (reg_scan): Likewise, for the prototype.
18807
18808 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
18809
18810         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
18811         mark_dfs_back_edges.
18812
18813 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
18814
18815         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
18816         (compute_avail): Uses don't go in tmp_gen.
18817
18818 2005-01-16  Steven Bosscher  <stevenb@suse.de>
18819
18820         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
18821         loop to look for a free slot in a page entry.
18822
18823 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18824
18825         PR target/16304
18826         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
18827         * toplev.c (compile_file): Call process_pending_assemble_output_defs
18828         just before targetm.asm_out.file_end.
18829         * tree.h (process_pending_assemble_output_defs): Declare.
18830         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
18831         New functions.
18832         (assemble_alias): Defer generation of assembly code for defines when
18833         TARGET_DEFERRED_OUTPUT_DEFS is true.
18834         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
18835         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
18836         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
18837
18838 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18839
18840         PR target/19336
18841         * pa.c (pa_scalar_mode_supported_p): New function.
18842         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
18843         * pa.h (MIN_UNITS_PER_WORD): Add comment.
18844
18845         * pa-protos.h (prefetch_operand): Delete.
18846         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
18847         * pa.c (prefetch_operand): Delete.
18848         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
18849         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
18850         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
18851         and prefetch_nocc_operand.
18852         * pa.md (prefetch): Rework to avoid reload problems handling short
18853         displacements when a cache control completer needs to be provided.
18854         (prefetch_32, prefetch_64): Delete.
18855         (prefetch_cc, prefetch_nocc): New patterns.
18856
18857 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
18858
18859         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
18860
18861 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18862
18863         PR ada/19388
18864         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
18865         exceeds maximum alignment for global common data.
18866         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
18867         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
18868
18869 2004-01-15  Roger Sayle  <roger@eyesopen.com>
18870
18871         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
18872
18873 2004-01-15  Roger Sayle  <roger@eyesopen.com>
18874
18875         * harg-reg-set.h (reg_class_names): Prototype global array.
18876         * regclass.c (reg_class_names): Declare here and initialize to
18877         REG_CLASS_NAMES.
18878         (dump_regclass): Remove local declaration of reg_class_names.
18879         (regclass): Likewise.
18880         * cfg.c (dump_flow_info): Likewise.
18881         * ra-debug.c (reg_class_names): Likewise.
18882         * regrename.c (reg_class_names): Likewise.
18883         * reload.c (reg_class_names): Likewise.
18884         * reload1.c (spill_failure): Likewise.
18885         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
18886
18887 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
18888
18889         * config/s390/s390.md ("reload_outti"): Remove predicate for
18890         output operand.  Abort if operand is not a MEM.
18891         ("reload_outdi", "reload_outdf"): Likewise.
18892
18893 2005-01-15  Marc Espie  <espie@openbsd.org>
18894
18895         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
18896         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
18897         * config/openbsd.h:  Fix C++ includes for native configurations.
18898         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
18899         Add trampoline support.
18900         * config/i386/openbsdelf.h: New.
18901
18902 2005-01-15  Marc Espie  <espie@openbsd.org>
18903
18904         * collect2.c (main): Explicitly parse -dynamic-linker option.
18905
18906 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
18907
18908         PR tree-optimization/19060
18909         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
18910         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
18911         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
18912         and handle extract_range_from_cond returning false.
18913         * fold-const.c (fold): Optimize comparisons with min/max even for
18914         width > HOST_BITS_PER_WIDE_INT.
18915
18916 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
18917
18918         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
18919         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
18920         Remove little endian multilib variants.
18921         Add mips32 multilib variant.
18922
18923 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
18924
18925         * explow.c (copy_all_reg, stabilize): Remove.
18926         * expr.h: Remove the corresponding prototypes.
18927
18928         * rtlanal.c (regs_set_between_p): Remove.
18929         * rtl.h: Remove the corresponding prototype.
18930
18931 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
18932
18933         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
18934         to rs6000_nonimmediate_operand.
18935         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
18936         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
18937         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
18938         rs6000_nonimmediate_operand.
18939         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
18940         rs6000_nonimmediate_operand.
18941
18942 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
18943
18944         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
18945
18946 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
18947
18948         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
18949         on e500v2.
18950         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
18951         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
18952
18953         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
18954         (rs6k_nonimmediate_operand): New.
18955         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
18956         correctly.
18957         (legitimate_lo_sum_address_p): Same.
18958         (rs6000_legitimize_address): Same.
18959         (rs6000_legitimize_reload_address): Same.
18960         (rs6000_legitimate_address): Same.
18961         (spe_build_register_parallel): Pass DF and DC modes in a DI
18962         register.
18963
18964         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
18965         to rs6k_nonimmediate_operand.
18966
18967         * config/rs6000/spe.md ("*frob_df_di"): New.
18968         ("*frob_di_df"): New.
18969         ("*frob_di_df_2"): New.
18970         ("*mov_sidf_e500_subreg0"): New.
18971         ("*mov_sidf_e500_subreg4"): New.
18972         ("*movdf_e500_double"): Change predicate to
18973         rs6k_nonimmediate_operand.
18974
18975 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
18976
18977         * postreload.c (move2add_note_store): Only call
18978         trunc_int_for_mode on scalar integers.
18979
18980 2005-01-14  Steven Bosscher  <stevenb@suse.de>
18981
18982         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
18983         replace BB_VISITED uses.
18984         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
18985         (propagate_necessity): Check the bitmap instead of BB_VISITED.
18986         (tree_dce_done): Free visited_control_parents.
18987         (perform_tree_ssa_dce): Allocate and clear it.
18988         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
18989         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
18990         instead of BB_VISITED.
18991
18992 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
18993
18994         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
18995         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
18996         Remove unused prototypes.
18997
18998 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
18999
19000         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
19001         64-bit register usage.
19002         (spe_func_has_64bit_regs_p): Add FIXME note.
19003
19004 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
19005
19006         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
19007         flag_finite_math_only with flag_unsafe_math_optimizations.
19008
19009 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
19010
19011         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
19012         end-of-stack check.
19013         (__tpf_eh_return): Copy TPF private stack area from the module
19014         boundary stack frame.  Add check for when module addresses are
19015         equal, but no stub address is found.
19016
19017 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
19018
19019         PR target/7525
19020         * arm.h (struct machine_function): Add call_via field.
19021         (thumb_call_via_label): Declare.
19022         * arm.c (thumb_call_via_label): New variable.
19023         (thumb_call_reg_needed): New variable.
19024         (arm_output_function_epilogue): For Thumb code, output any per-function
19025         call-indirect trampolines.
19026         (thumb_call_via_reg): New function.
19027         (arm_file_end): New function.
19028         (TARGET_ASM_FILE_END): Call arm_file_end.
19029         (aof_file_end): Likewise.
19030         * arm-protos.h (thumb_call_via_reg): Declare.
19031         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
19032         thumb_call_via_reg in normal case.
19033
19034 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
19035
19036         PR middle-end/19084
19037         PR rtl-optimization/19348
19038         * recog.c (peephole2_optimize): Do global life update if some peephole
19039         decides it doesn't need at least one of its inputs and that change
19040         influences liveness at the start of the basic block.
19041
19042         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
19043         arguments instead of 1.
19044
19045 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
19046
19047         PR middle-end/18820
19048         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
19049         zero for nested functions needing a static chain or functions
19050         with a non-constant address.
19051
19052 2005-01-13  Roger Sayle  <roger@eyesopen.com>
19053
19054         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
19055         (and (sign_extend X) C) into (zero_extend (and X C)).
19056
19057 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
19058
19059         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
19060
19061 2005-01-13  Richard Henderson  <rth@redhat.com>
19062
19063         PR target/19009
19064         PR target/19250
19065         PR target/19252
19066         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
19067         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
19068         not just TARGET_SSE.
19069         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
19070         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
19071         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
19072         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
19073         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
19074         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
19075         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
19076         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
19077         (movdicc_c_rex64): Rename with '*'.
19078         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
19079         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
19080         (movsfcc_1_387): Rename from movsfcc_1.
19081         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
19082         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
19083         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
19084         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
19085         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
19086         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
19087         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
19088         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
19089         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
19090         sse_movdfcc_const0_4): Remove.
19091         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
19092         recognize min/max early.  Update for changed sse cmove patterns.
19093         (ix86_split_sse_movcc): New.
19094         * config/i386/i386-protos.h: Update.
19095
19096 2005-01-13  Steven Bosscher  <stevenb@suse.de>
19097
19098         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
19099         (fix_stmt_v_may_defs): Likewise.
19100
19101 2005-01-13  Richard Henderson  <rth@redhat.com>
19102
19103         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
19104         for converting the mask.
19105
19106 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
19107
19108         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
19109         definition to 600.
19110
19111 2005-01-13  Richard Henderson  <rth@redhat.com>
19112
19113         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
19114         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
19115         IX86_BUILTIN_MOVDQ2Q): Remove.
19116         (IX86_BUILTIN_VEC_EXT_V4SI): New.
19117         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
19118         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
19119         shuffling.
19120         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
19121         (sse2_pextrw): Fix immediate constraint.
19122         (sse2_loadq, sse2_loadq_rex64): Remove.
19123         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
19124         Use __builtin_ia32_vec_ext_<size>.
19125         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
19126
19127 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
19128
19129         * function.c (assign_parm_setup_block): Look inside original
19130         entry_parm when inspecting PARALLEL.
19131
19132 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
19133             Joel Sherrill  <joel@oarcorp.com>
19134
19135         PR target/19399
19136         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
19137         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
19138         rtems_gxx_recursive_mutex_init.
19139         (__gthread_recursive_mutex_lock): New function.
19140         (__gthread_recursive_mutex_trylock): Likewise.
19141         (__gthread_recursive_mutex_unlock): Likewise.
19142
19143 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
19144
19145         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
19146
19147 2005-01-13  Jan Beulich  <jbeulich@novell.com>
19148
19149         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
19150         (ashrti3_internal): Indicate output is early clobber. Generate result
19151         into output rather than first input. Use move for low word of output
19152         if shift count is exactly 64.
19153         (lshrti3_internal): Likewise.
19154
19155 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
19156
19157         PR target/18329
19158         PR target/18330
19159         * reload1.c (delete_output_reload): Don't delete an output reload
19160         if the pseudo lives longer than a single basic block.  Adjust and
19161         improve wording of comment.
19162
19163 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
19164
19165         PR target/19334
19166         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
19167         of TYPE_SIZE where we mean the number of bytes.
19168
19169 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
19170
19171         * function.c (assign_parm_setup_block): Relax condition on
19172         multi-register optimization.
19173
19174 2005-01-12  Nick Clifton  <nickc@redhat.com>
19175
19176         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
19177         an "in_delay_slot" attribute of "no" to prevent them being used in
19178         delay slots.  This is forbidden because they might generate
19179         exceptions.
19180
19181 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
19182
19183         PR target/19389
19184         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
19185         with r->Y and Y->r.
19186
19187 2005-01-12  Nick Clifton  <nickc@redhat.com>
19188
19189         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
19190         passed on to GAS) but do not define, as GAS no longer supports or
19191         needs the -m2000 option.
19192
19193 2005-01-11  Roger Sayle  <roger@eyesopen.com>
19194
19195         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
19196         type as args of unprototyped builtins aren't automatically promoted.
19197         (fold_builtin_abs): Likewise.
19198
19199 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19200
19201         * Makefile.in: Set a `build-warn' variable.
19202
19203 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
19204
19205         PR tree-optimization/17949
19206         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
19207         (find_interesting_uses_address): Use it.
19208
19209 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
19210
19211         * regrename.c (kill_value): Handle subreg's that won't simplify.
19212
19213 2005-01-11  Richard Henderson  <rth@redhat.com>
19214
19215         PR target/13366
19216         * config/i386/i386.h (enum ix86_builtins): Move ...
19217         * config/i386/i386.c: ... here.
19218         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
19219         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
19220         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
19221         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
19222         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
19223         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
19224         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
19225         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
19226         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
19227         IX86_BUILTIN_LOADDDUP): Remove.
19228         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
19229         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
19230         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
19231         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
19232         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
19233         (ix86_init_builtins): Make static.
19234         (ix86_init_mmx_sse_builtins): Update for changed builtins.
19235         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
19236         if all the modes match.  Otherwise, fake it.
19237         (get_element_number, ix86_expand_vec_init_builtin,
19238         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
19239         (ix86_expand_builtin): Make static.  Update for changed builtins.
19240         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
19241         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
19242         (ix86_expand_vector_init_duplicate): New.
19243         (ix86_expand_vector_init_low_nonzero): New.
19244         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
19245         Split out from ix86_expand_vector_init; handle integer modes.
19246         (ix86_expand_vector_init): Use them.
19247         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
19248         * config/i386/i386-protos.h: Update.
19249         * config/i386/predicates.md (reg_or_0_operand): New.
19250         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
19251         (movv2sf_internal): Likewise.  And a splitter to match them all.
19252         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
19253         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
19254         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
19255         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
19256         (mmx_pinsrw): Fix operand ordering.
19257         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
19258         rather than sse_loadss expander.
19259         (movv2df splitter): Similarly.
19260         (sse_loadss, sse_loadlss): Remove.
19261         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
19262         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
19263         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
19264         (sse3_movddup): Rename with '*'.
19265         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
19266         (sse2_loadsd): Remove.
19267         (vec_dupv2df_sse3): Rename from sse3_loadddup.
19268         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
19269         (sse2_pinsrw): Fix argument ordering.
19270         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
19271         (sse2_stored): Remove 'r' destination.
19272         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
19273         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
19274         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
19275         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
19276         vec_extractv16qi, vec_initv16qi): New.
19277
19278         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
19279         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
19280         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
19281         constructor form.
19282         (_mm_load_pd, _mm_store_pd): Use plain dereference.
19283         (_mm_load_si128, _mm_store_si128): Likewise.
19284         (_mm_load1_pd): Use _mm_set1_pd.
19285         (_mm_load_sd): Use _mm_set_sd.
19286         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
19287         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
19288         (_mm_set_epi64): Use _mm_set_epi64x.
19289         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
19290         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
19291         _mm_setr_epi8): Use _mm_set_foo form.
19292         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
19293         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
19294         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
19295         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
19296         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
19297         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
19298         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
19299         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
19300         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
19301         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
19302         (_mm_movedup_pd): Use _mm_shuffle_pd.
19303         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
19304         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
19305         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
19306         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
19307         Use _mm_setzero_ps.
19308         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
19309         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
19310         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
19311         (_mm_store_ps): Use raw dereference.
19312         (_mm_store1_ps): Use _mm_storeu_ps.
19313         (_mm_storer_ps): Use _mm_store_ps.
19314         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
19315         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
19316
19317 2005-01-11  Stan Shebs  <shebs@apple.com>
19318
19319         * config/rs6000/rs6000.c (machopic_output_stub): Issue
19320         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
19321
19322 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
19323
19324         PR target/18761
19325         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
19326         Skip all DECLs except for FIELD_DECLs.
19327
19328 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
19329
19330         * config/s390/s390.c (override_options): Return error if
19331         -mbackchain, -mpacked-stack and -mhard-float are used together.
19332         (s390_va_start): Remove the backchain && packed-stack special case.
19333         (s390_gimplify_va_arg): Likewise.
19334         * doc/invoke.texi: Remove the ABI incompatibility note.
19335
19336 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
19337
19338         * config/s390/s390.c (struct s390_frame_layout): Remove
19339         save_backchain_p.
19340         (s390_frame_info, s390_emit_prologue): Replace occurrences of
19341         save_backchain_p with TARGET_BACKCHAIN.
19342
19343 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
19344
19345         PR target/18916
19346         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
19347         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
19348         * function.c (locate_and_pad_parm): Set new field.
19349         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
19350         Tweak where_pad test to include "none".  Always set mem align for
19351         stack_parm.
19352         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
19353         not sufficient for type.
19354         (assign_parm_setup_block): If stack_parm is zero on entry, always
19355         make a new stack local.  Block move old stack parm if necessary
19356         to new aligned stack local.
19357         (assign_parm_setup_stack): Use a block move to handle
19358         potentially misaligned entry_parm.
19359         (assign_parms_unsplit_complex): Specify required alignment when
19360         creating stack local.
19361         * calls.c (compute_argument_addresses): Override alignment of stack
19362         arg calculated from its type with the alignment given by
19363         FUNCTION_ARG_BOUNDARY.
19364         (store_one_arg): Likewise.
19365
19366 2005-01-11  Jan Beulich  <jbeulich@novell.com>
19367
19368         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
19369         Change respective itanium_class attribute to ialu.
19370         (shladdp4_internal): New.
19371         * config/ia64/predicates.md (shladd_log2_operand): New.
19372
19373 2005-01-11  Richard Henderson  <rth@redhat.com>
19374
19375         * expr.c (store_constructor): Use rtvec_alloc instead of
19376         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
19377
19378 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
19379
19380         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
19381
19382 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
19383
19384         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
19385         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
19386         (TARGET_RWRELOC): Define.
19387         (ia64_rwreloc_section_type_flags): Delete.
19388         (ia64_section_type_flags): New function.
19389         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
19390         (TARGET_RWRELOC): Define.
19391
19392 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
19393
19394         PR target/18987
19395         * config/ia64/ia64.c (process_set): For alloc insn, only call
19396         process_epilogue is !frame_pointer_needed.
19397
19398 2005-01-10  Roger Sayle  <roger@eyesopen.com>
19399
19400         PR c++/19355
19401         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
19402         unary operator and can't be treated as a binary/comparison operator.
19403
19404 2005-01-10  Richard Henderson  <rth@redhat.com>
19405
19406         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
19407         (ix86_return_in_memory): Likewise.
19408         (function_arg_advance):  Likewise.  Mirror structure in function_arg
19409         for choosing register to advance.
19410
19411 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
19412
19413         * tree-vectorizer.c, tree.def: Fix comment typos.
19414
19415 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
19416
19417         * config/s390/s390.c (struct processor_costs): 4 new fields:
19418         ddbr, ddr, debr, der.
19419         (s390_rtx_costs): More precise handling of divide instructions.
19420
19421 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
19422
19423         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
19424
19425 2005-01-10  Jan Beulich  <jbeulich@novell.com>
19426
19427         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
19428         names resulting from -ffunction-sections/-fdata-sections and linkonce
19429         ones.
19430         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
19431         based on the section name. Rearrange the section name comparison logic
19432         slightly so that each section name is compared against at most once.
19433
19434 2005-01-10  Ben Elliston  <bje@au.ibm.com>
19435
19436         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
19437         targets for which -fPIC reduces limitations on the GOT size.
19438
19439 2005-01-09  Falk Hueffner  <falk@debian.org>
19440
19441         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
19442         X/C1 cmpop C2.
19443
19444 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
19445
19446         PR target/18720
19447         * collect2.c (main): Set aixrtl_flag for -brtl option.
19448         (resolve_lib_name): Search for .so file extension before .a
19449         if aixrtl_flag set.
19450
19451 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
19452
19453         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
19454         (vect_analyze_data_refs_alignment): Add dump prints.
19455
19456 2005-01-09  Ira Rosen  <irar@il.ibm.com>
19457
19458         * tree-vectorizer.c (vect_analyze_offset_expr): Use
19459         expr_invariant_in_loop_p.
19460         Initialize outputs first thing in the function.
19461         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
19462         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
19463         (vect_analyze_pointer_ref_access): Check that the initial condition of
19464         the access function is loop invariant.
19465
19466 2005-01-09  Richard Henderson  <rth@redhat.com>
19467
19468         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
19469         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
19470         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
19471         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
19472         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
19473         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
19474         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
19475         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
19476         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
19477         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
19478         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
19479         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
19480         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
19481         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
19482         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
19483         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
19484         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
19485         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
19486         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
19487         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
19488         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
19489         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
19490         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
19491         mmx_ prefix.
19492         (mmx_clrdi, pavgusb): Remove.
19493         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
19494         with leading sse_ prefix.
19495         * config/i386/sse.md: Receive them.
19496         * config/i386/mmx.md: New file.
19497         (MMXMODE12, MMXMODE24, mmxvecsize): New.
19498         (subrv2sf3): Turn into expander for normal subtraction.
19499         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
19500         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
19501         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
19502         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
19503         commutative; use ix86_binary_operator_ok.
19504         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
19505         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
19506         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
19507         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
19508         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
19509         Macroize from existing patterns; use ix86_binary_operator_ok.
19510         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
19511         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
19512         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
19513         with vec_select+vec_concat.
19514         (mmx_pshufw, mmx_pshufw_1): Likewise.
19515         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
19516         (mmx_uavgv4hi3): Model correctly.
19517         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
19518         _mm_xor_si64): Remove casts.
19519
19520 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
19521
19522         PR tree-optimization/19224
19523         * tree-scalar-evolution.c (get_instantiated_value,
19524         set_instantiated_value): New functions.
19525         (instantiate_parameters_1): Cache the results.
19526         (instantiate_parameters, resolve_mixers): Initialize and free
19527         the cache.
19528
19529 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
19530
19531         * config/i386/i386.md (addhi_4): Correct reference in comment.
19532         (addqi_4): Same.
19533
19534 2005-01-08  Richard Henderson  <rth@redhat.com>
19535
19536         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
19537         (_mm_cvtsi128_si64x): Likewise.
19538         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
19539         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
19540         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
19541         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
19542         * config/i386/i386-protos.h: Update.
19543         * config/i386/i386.c (print_operand): Add 'H'.
19544         (ix86_fixup_binary_operands): Split out from ...
19545         (ix86_expand_binary_operator): ... here.
19546         (ix86_fixup_binary_operands_no_copy): New.
19547         (ix86_expand_fp_absneg_operator): Handle vector mode results.
19548         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
19549         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
19550         (safe_vector_operand): Use CONST0_RTX.
19551         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
19552         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
19553         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
19554         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
19555         special cases.
19556         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
19557         (IX86_BUILTIN_CMPNGESS): New.
19558         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
19559         (attr type): Add sselog1.
19560         (attr unit, attr memory): Handle it.
19561         (movti, movti_internal, movti_rex64): Move near other integer moves.
19562         (movtf, movtf_internal): Move near other fp moves.
19563         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
19564         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
19565         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
19566         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
19567         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
19568         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
19569         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
19570         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
19571         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
19572         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
19573         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
19574         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
19575         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
19576         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
19577         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
19578         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
19579         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
19580         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
19581         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
19582         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
19583         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
19584         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
19585         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
19586         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
19587         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
19588         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
19589         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
19590         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
19591         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
19592         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
19593         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
19594         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
19595         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
19596         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
19597         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
19598         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
19599         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
19600         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
19601         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
19602         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
19603         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
19604         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
19605         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
19606         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
19607         same time.
19608         (SSEPUSH, push<SSEPUSH>): Remove.
19609         (MMXPUSH, push<MMXPUSH>): Remove.
19610         (sse_movaps, sse_movaps_1, sse_movups): Remove.
19611         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
19612         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
19613         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
19614         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
19615         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
19616         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
19617         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
19618         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
19619         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
19620         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
19621         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
19622         (ppro_sse_log_V4SF): Handle sselog1.
19623         * config/i386/predicates.md (const_0_to_1_operand): New.
19624         (const_0_to_255_mul_8_operand): New.
19625         (const_1_to_31_operand): Rename from const_int_1_31_operand.
19626         (const_2_to_3_operand, const_4_to_7_operand): New.
19627         * config/i386/sse.md: New file.
19628         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
19629         (sse_movups): Rename from sse_movups_1.
19630         (sse_loadlss): Rename from sse_loadss_1.
19631         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
19632         from the name.
19633         (negv4sf2): Use ix86_expand_fp_absneg_operator.
19634         (absv4sf2, negv2df, absv2df): New.
19635         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
19636         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
19637         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
19638         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
19639         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
19640         (sse3_addsubv4sf3): Model correctly.
19641         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
19642         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
19643         (sse_movhlps): Model with vec_select+vec_concat.
19644         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
19645         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
19646         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
19647         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
19648         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
19649         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
19650         sse2_pshufhw_1): Likewise.
19651         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
19652         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
19653         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
19654         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
19655         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
19656         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
19657         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
19658         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
19659         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
19660         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
19661         sminv8hi3): Mark commutative
19662         operands.  Use ix86_binary_operator_ok.
19663         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
19664         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
19665         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
19666         sse2_punpcklqdq): Allow operand2 in memory.
19667         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
19668         sse2_movsd): Add memory alternatives.
19669         (sse_storelps): Turn expander into an insn; split after reload.
19670         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
19671         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
19672
19673 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
19674
19675         * configure.ac (DWARF-2 debug_line): Use objdump.
19676         * configure: Regenerate.
19677
19678 2005-01-08  Jeff Law  <law@redhat.com>
19679             Diego Novillo  <dnovillo@redhat.com>
19680
19681         PR tree-optimization/18241
19682         * tree-nrv.c (tree_nrv): Ignore volatile return values.
19683         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
19684         statements with volatile operands.
19685         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
19686         operands after marking a statement with has_volatile_ops.
19687
19688 2005-01-08  Roger Sayle  <roger@eyesopen.com>
19689
19690         * tree.c (int_fits_type_p): Always honor integer constant
19691         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
19692
19693 2005-01-08  Roger Sayle  <roger@eyesopen.com>
19694
19695         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
19696         the latent bug in rtl_delete_block has been resolved.
19697
19698 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
19699
19700         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
19701         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
19702
19703 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
19704
19705         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
19706         library as @multilib_dir@/$(SHLIB_SONAME).
19707
19708 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
19709
19710         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
19711         * configure: Regenerate.
19712
19713 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
19714
19715         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
19716         TYPE_MODE.
19717
19718 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
19719
19720         PR target/13674
19721         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
19722         Convert non-word aligned offset address using ld/std into
19723         indirect address.
19724
19725 2005-01-07  Richard Henderson  <rth@redhat.com>
19726
19727         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
19728
19729 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
19730
19731         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
19732
19733 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
19734
19735         PR tree-optimization/19283
19736         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
19737         is not shorter than the original type.
19738
19739         PR rtl-optimization/19012
19740         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
19741
19742         PR rtl-optimization/18861
19743         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
19744         (FULL_STATE): Define.
19745         (mark_tablejump_edge): New function.
19746         (purge_dead_tablejump_edges): New function.
19747         (find_bb_boundaries): Use it.
19748
19749         PR tree-optimization/18828
19750         * builtins.c (expand_builtin_next_arg): Remove argument and all
19751         the argument checking.
19752         (expand_builtin): Adjust caller.
19753         (expand_builtin_va_start): Likewise.  Remove error for too many
19754         arguments.
19755         (fold_builtin_next_arg): Issue error for too many arguments.
19756         After checking arguments, replace them with magic arguments that
19757         prevent further checking of the args.
19758
19759 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19760
19761         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
19762
19763 2005-01-06  Roger Sayle  <roger@eyesopen.com>
19764
19765         PR target/6077
19766         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
19767         and %{.S:...} (and their negative variants) to test whether the
19768         input file is assembler or pre-processed-assembler independent of
19769         the actual filename extension.
19770
19771 2005-01-06  Roger Sayle  <roger@eyesopen.com>
19772
19773         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
19774         of sign or zero extended values.
19775
19776 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
19777
19778         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
19779         for IBM long double format correctly.
19780
19781 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
19782
19783         Fix PR tree-optimization/18792
19784
19785         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
19786         to first_loop_depth, and use loop depth instead of loop number.
19787         (build_classic_dir_vector): Ditto.
19788         (compute_data_dependences_for_loop): Use depth, not loop number.
19789         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
19790         number. Pass in loops, instead of loop numbers.
19791         (gather_interchange_stats): Ditto.
19792         (linear_transform_loops): Ditto.
19793
19794 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
19795
19796         PR rtl-opt/13299
19797         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
19798         biv_fits_mode_p, extension_within_bounds_p): New functions.
19799         (check_ext_dependent_givs): Use them.
19800
19801 2005-01-06  Roger Sayle  <roger@eyesopen.com>
19802
19803         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
19804         more than one barrier, in which case we should delete them all.
19805
19806 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
19807
19808         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
19809
19810 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
19811
19812         Fix PR middle-end/19286
19813         Fix PR debug/19267
19814         * dwarf2out.c (gen_subprogram_die): If we've already tried to
19815         output this subprogram, simply ignore this attempt to do it again.
19816         (add_abstract_origin_attribute): Don't abort trying to add the abstract
19817         origin attribute if it's not possible.
19818         (gen_block_die): Don't ignore subblocks of "unused" blocks.
19819         (decls_for_scope): Ditto.
19820         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
19821         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
19822
19823 2005-01-05  Richard Henderson  <rth@redhat.com>
19824
19825         PR target/11327
19826         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
19827         (bdesc_2arg): Use it.
19828         (ix86_expand_binop_builtin): Force operands into registers
19829         when optimizing.
19830         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
19831         ix86_expand_sse_compare, ix86_expand_sse_comi,
19832         ix86_expand_builtin): Likewise.
19833
19834 2005-01-05  Richard Henderson  <rth@redhat.com>
19835
19836         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
19837         and VEC_SELECT.
19838         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
19839         (mulv4hi3): Set itanium_class mmmul.
19840         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
19841         (fpack): Rename from fpack_sfsf.
19842
19843 2005-01-05  Richard Henderson  <rth@redhat.com>
19844
19845         PR rtl-opt/10692
19846         * reload1.c (do_input_reload): Restrict the optimization deleteing
19847         a previous output reload to RELOAD_FOR_INPUT.
19848
19849 2005-01-05  Steven Bosscher  <stevenb@suse.de>
19850
19851         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
19852         comment that we fall through after case.
19853         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
19854         (distribute_links): Likewise.
19855         * cse.c (cse_insn): Likewise.
19856         * cselib.c (cselib_invalidate_mem): Likewise.
19857         * df.c: Update comments at the top of the file.
19858         (read_modify_subreg_p): Update comments here too.
19859         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
19860         * flow.c (mark_set_1): Likewise.
19861         (mark_used_regs): Likewise.
19862         * gcse.c (mems_conflict_for_gcse_p): Likewise.
19863         (canon_list_insert): Likewise.
19864         (mark_set): Likewise.
19865         (try_replace_reg): Likewise.
19866         (store_killed_in_insn): Likewise.
19867         * loop.c (count_one_set): Likewise.
19868         (basic_induction_var): Likewise.
19869         * postreload-gcse.c (find_mem_conflicts): Likewise.
19870         * postreload.c (reload_combine_note_store): Likewise.
19871         (move2add_note_store): Likewise.
19872         * reload.c (find_equiv_reg): Likewise.
19873         (mark_referenced_resources): Likewise.
19874         * rtlanal.c (set_noop_p): Likewise.
19875         (note_stores): Likewise.
19876         (note_uses): Likewise.
19877         * sched-deps.c (sched_analyze_1): Likewise.
19878         * sched-rgn.c (check_live_1): Likewise.
19879         (update_live_1): Likewise.
19880         * config/i860/i860.c: Likewise.
19881
19882         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
19883         an lvalue.
19884         (ZERO_EXTRACT): Mention that this one can be an lvalue.
19885
19886         * doc/rtl.texi: Update documentation for bit-fields and SET.
19887
19888 2005-01-05  Roger Sayle  <roger@eyesopen.com>
19889
19890         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
19891
19892 2005-01-05  Jan Hubicka  <jh@suse.cz>
19893             Richard Henderson  <rth@redhat.com>
19894
19895         PR target/18910
19896         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
19897         with an offset.
19898
19899 2005-01-05  Richard Henderson  <rth@redhat.com>
19900
19901         PR target/12902
19902         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
19903         (sse_shufps): Change operand 3 to const_int_operand.
19904         (sse2_storelps): Fix typo in template.
19905         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
19906         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
19907         (ix86_expand_builtin): Likewise.
19908
19909 2005-01-05  Julian Brown  <julian@codesourcery.com>
19910
19911         * config/arm/arm.c (arm_return_in_memory): Treat complex types
19912         as aggregates for AAPCS ABIs.
19913
19914 2005-01-05  Stan Shebs  <shebs@apple.com>
19915
19916         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
19917         Mach-O getters if ppc64.
19918         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
19919         size argument.
19920         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
19921         signed four-byte field for global code case.
19922         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
19923
19924 2005-01-05  Roger Sayle  <roger@eyesopen.com>
19925
19926         PR middle-end/19100
19927         * c-common.c: Include real.h.
19928         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
19929         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
19930         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
19931         * Makefile.in (c-common.o): Update dependencies.
19932
19933 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
19934
19935         * c-parse.in (asm_string): Add trailing semicolon.
19936
19937 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
19938
19939         * c-parse.in (asm_string): New.  Don't allow wide strings in
19940         'asm'.
19941         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
19942         asm_string instead of STRING.
19943
19944 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
19945
19946         * c-typeck.c (constructor_no_implicit): Remove.
19947         (set_designator, process_init_element): Don't check
19948         constructor_no_implicit.
19949
19950 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
19951             Kaz Kojima  <kkojima@gcc.gnu.org>
19952
19953         PR target/16482
19954         * lcm.c (create_pre_exit): New.
19955         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
19956         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
19957
19958 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
19959
19960         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
19961         -msoft-float in target_float_switch.
19962         * arm.c (arm_override_options): Fix processing of target_float_switch.
19963
19964 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
19965
19966         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
19967         preferencing.
19968
19969 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
19970
19971         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
19972         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
19973
19974 2005-01-04  Roger Sayle  <roger@eyesopen.com>
19975
19976         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
19977         if deleting the then-block allows the test-block to fallthru to the
19978         else-block.
19979
19980 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
19981
19982         PR c/19152
19983         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
19984         after the full declaration if the are in two different TUs.
19985
19986 2005-01-04  Richard Henderson  <rth@redhat.com>
19987
19988         PR tree-opt/19158
19989         * tree-sra.c (generate_one_element_init): Just
19990         call gimplify_and_add.
19991         (generate_element_init): Record the
19992         new referenced variables and mark them for renaming
19993         and split out to ...
19994         (generate_element_init_1): This.
19995         (scalarize_init): Don't call push_gimplify_context/
19996         pop_gimplify_context.
19997
19998 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
19999
20000         * toplev.c (get_src_pwd): Handle failure of getpwd().
20001
20002 2005-01-04  Roger Sayle  <roger@eyesopen.com>
20003
20004         * fold-const.c (fold_single_bit_test): Delete unreachable handling
20005         of TRUTH_NOT_EXPR.
20006         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
20007         all the cases handled by it are inverted by invert_truthvalue.
20008
20009 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
20010
20011         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
20012         (save_register_windowsi): Likewise.
20013
20014 2005-01-04  Richard Henderson  <rth@redhat.com>
20015
20016         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
20017
20018 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
20019
20020         PR middle-end/17767
20021         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
20022         any simplifications of vector mode comparison operators.
20023         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
20024
20025 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
20026             Devang Patel  <dpatel@apple.com>
20027
20028         PR tree-optimization/18308
20029         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
20030         the operands before creating a new expression.
20031         * dojump.c (do_jump): Make drop_through_label available
20032         for all cases.  Add expansion of COND_EXPR.
20033
20034 2005-01-04  Ira Rosen  <irar@il.ibm.com>
20035
20036         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
20037         INTEGER_CST instead of TREE_CONSTANT.
20038         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
20039         instead of TREE_CONSTANT.
20040         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
20041         instead of TREE_CONSTANT.
20042
20043 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
20044
20045         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
20046
20047 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
20048
20049         PR target/19240
20050         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
20051         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
20052
20053 2005-01-03  Richard Henderson  <rth@redhat.com>
20054
20055         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
20056         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
20057         fold_convert_const_real_from_real): Split out from ...
20058         (fold_convert_const): ... here.
20059
20060 2005-01-03  Richard Henderson  <rth@redhat.com>
20061
20062         PR target/19235
20063         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
20064         (mov<MMXMODEI>_internal): Likewise.
20065         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
20066         Add V2SF case; use it for SSE1; don't use TI.
20067         (movdf_integer): Likewise.
20068         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
20069
20070 2005-01-03  Ira Rosen  <irar@il.ibm.com>
20071
20072         * tree-vectorizer.c (vect_strip_conversions): New function.
20073         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
20074         check for binary class.
20075
20076 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
20077
20078         Fix PR debug/17924
20079         Fix PR debug/19191
20080         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
20081         is a decl.
20082         * gimple-low.c (mark_blocks_with_used_vars): New function.
20083         (mark_blocks_with_used_subblocks): Ditto.
20084         (mark_used_blocks): Ditto.
20085         (pass_mark_used_blocks): New pass.
20086         * tree-inline.c: Include debug.h.
20087         (expand_call_inline): Call outlining_inline_function here.
20088         * tree-optimize.c (init_tree_optimization_passes): Add
20089         pass_mark_used_blocks.
20090         * tree-pass.h (pass_mark_used_blocks): New.
20091         * Makefile.in (tree-inline.o): Add debug.h dependency.
20092
20093 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
20094
20095         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
20096         VAR_DECLs to have weak_import attribute.
20097
20098         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
20099         'struct ucontext'.
20100
20101 2004-01-03  Steven Bosscher  <stevenb@suse.de>
20102
20103         * passes.c (rest_of_compilation): Don't run regmove if only
20104         flag_expensive_optimizations, require flag_regmove instead.
20105
20106 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
20107
20108         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
20109         register "sparc".
20110         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
20111         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
20112         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
20113         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
20114
20115 2005-01-03  Richard Henderson  <rth@redhat.com>
20116
20117         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
20118         (ia64_const_ok_for_letter_p): New.
20119         (ia64_const_double_ok_for_letter_p): New.
20120         (ia64_extra_constraint): New.
20121         (ia64_expand_vecint_compare): New.
20122         (ia64_expand_vcondu_v2si): New.
20123         (ia64_expand_vecint_cmov): New.
20124         (ia64_expand_vecint_minmax): New.
20125         (ia64_print_operand): Add 'v'.
20126         (ia64_preferred_reload_class): New.
20127         (ia64_vector_mode_supported_p): New.
20128         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
20129         (PREFERRED_RELOAD_CLASS): Move to function.
20130         (CONST_OK_FOR_LETTER_P): Move to function.
20131         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
20132         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
20133         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
20134         (EXTRA_CONSTRAINT): Move to function.
20135         * config/ia64/ia64.md: Include vect.md.
20136         (itanium_class): Add mmalua.
20137         (type): Handle it.
20138         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
20139         (1b_mmalua): New.
20140         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
20141         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
20142         CONST0_RTX.
20143         (const_int_2bit_operand): New.
20144         (fr_reg_or_0_operand): New.
20145         * config/ia64/ia64-modes.def: Add vector modes.
20146         * config/ia64/ia64-protos.h: Update.
20147         * config/ia64/vect.md: New file.
20148
20149 2005-01-03  Richard Henderson  <rth@redhat.com>
20150
20151         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
20152
20153 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
20154
20155         PR target/19236
20156         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
20157         to SFmode.
20158         (log1pdf2): Change mode of operands[0,1] to DFmode.
20159
20160 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
20161
20162         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
20163         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
20164         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
20165         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
20166         SPARC_RELAXED_ORDERING.
20167
20168 2005-01-03  Richard Henderson  <rth@redhat.com>
20169             Uros Bizjak  <uros@kss-loka.si>
20170
20171         PR target/14631
20172         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
20173         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
20174         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
20175         handling.
20176         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
20177         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
20178         const_pow2_1_to_128_operand): New predicates.
20179
20180 2005-01-02  Greg McGary  <greg@mcgary.org>
20181
20182         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
20183         anonymous decls.
20184         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
20185         object.  [ptr_type]: Remove unused variable.
20186         Remember nearest addressable array-element or record-component
20187         when checking bitfield components.  Tolerate empty BIND_EXPR.
20188
20189 2005-01-01  Richard Henderson  <rth@redhat.com>
20190
20191         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
20192         that don't narrow the value.  Fail for other conversions.
20193
20194 2005-01-01  Richard Henderson  <rth@redhat.com>
20195
20196         PR c/19031
20197         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
20198         * c-lang.c (finish_file): Don't do it here.
20199         * objc/objc-act.c (objc_finish_file): Likewise.
20200
20201         * cgraph.c (decl_assembler_name_equal): New.
20202         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
20203         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
20204         * cgraph.h (struct cgraph_varpool_node): Add next.
20205         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
20206         * varasm.c (assemble_alias): Mark the target as needed.
20207
20208 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
20209
20210         PR middle-end/19221
20211         * function.c (get_arg_pointer_save_area): Use entry_of_function
20212         instead of get_insns.
20213
20214 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20215             Andrew Pinski  <pinskia@physics.uc.edu>
20216             James E. Wilson  <wilson@specifixinc.com>
20217
20218         PR rtl-optimization/12092
20219         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
20220         is zero.
20221
20222 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20223             Olivier Hainque  <hainque@act-europe.fr>
20224
20225         * tree.c (int_fits_type_p): A narrower type always fits in a
20226         wider one, except for negative values into unsigned types.
20227
20228 2005-01-01  Roger Sayle  <roger@eyesopen.com>
20229
20230         * tree.c (int_fits_type_p): Compare the result of force_fit_type
20231         with the original constant rather than require TREE_OVERFLOW.
20232
20233 2005-01-01  Steven Bosscher  <stevenb@suse.de>
20234
20235         PR middle-end/17544
20236         * c-decl.c (finish_function): If compiling C99, annotate the
20237         compiler generated return with the current file name and line 0.
20238         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
20239         the source line is greater than 0.
20240         (remove_bb): Likewise.