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PR target/20018
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1 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2
3         PR target/20018
4         PR rtl-optimization/20097
5         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
6         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7
8 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
9
10         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
11         * t-aix52 (SHLIB_INSTALL): Same.
12
13 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
14
15         * genpreds.c: Update copyright.
16
17 2005-02-23  Michael Beach  <michaelb@ieee.org>
18
19         PR target/20159
20         * config/sparc/t-elf (startup files): Assemble with CPP.
21
22 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
23
24         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
25         (write_predicate_expr): Likewise.
26
27 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
28
29         PR tree-optimization/20100
30         PR tree-optimization/20115
31         * tree-optimize.c (init_tree_optimization_passes): Remove
32         pass_maybe_create_global_var.
33         * tree-pass.h (pass_maybe_create_global_var): Remove.
34         * tree-ssa-alias.c (aliases_computed_p): Declare.
35         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
36         (count_calls_and_maybe_create_global_var): Remove.
37         (pass_maybe_create_global_var): Remove.
38         (init_alias_info): Do not declare aliases_computed_p.
39         (maybe_create_global_var): If the function contains no
40         call-clobbered variables and a mix of pure/const and regular
41         function calls, create .GLOBAL_VAR.
42         Mark all call-clobbered variables for renaming.
43         (merge_pointed_to_info): Update comment.
44         (add_pointed_to_var): Likewise.
45         (is_escape_site): Likewise.
46         Accept struct alias_info * instead of size_t *.
47         Update all users.
48         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
49         as necessary.
50         * tree-ssa-operands.c (get_call_expr_operands): If
51         ALIASES_COMPUTED_P is false, do not add call-clobbering
52         operands.
53         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
54         (delete_tree_ssa): Likewise.
55
56 2005-02-22  James E Wilson  <wilson@specifixinc.com>
57
58         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
59         (do_compile): Do call it here.
60
61 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
62
63         PR rtl-optimization/20017.
64         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
65         rest_of_handle_cse2, rest_of_handle_gcse): Call
66         delete_dead_jumptables immediately before calling cleanup_cfg.
67
68 2005-02-22  Devang Patel  <dpatel@apple.com>
69
70         PR 19952
71         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip 
72         all labels
73         
74 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
75
76         * config/rs6000/aix.h (WINT_TYPE): Define.
77
78 2005-02-22  Stan Shebs  <shebs@apple.com>
79
80         * config/rs6000/rs6000.c (rs6000_override_options): Default to
81         natural alignment for 64-bit Darwin.
82         (rs6000_parse_alignment_option): Warn about uses of -malign-power
83         on 64-bit Darwin.
84         * doc/invoke.texi: Document this.
85
86 2005-02-22  DJ Delorie  <dj@redhat.com>
87
88         * c-common.c (c_common_type_for_mode): Pass the mode's precision
89         to make_[un]signed_type, not the mode itself.
90
91 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
92
93         * cfg.c (cached_make_edge): Call make_edge if edge cache is
94         not available.  Use tail calls wherever possible.
95         (make_edge): Call unchecked_make_edge to create an edge.
96
97         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
98         (coalesce_ssa_name): Don't check for
99         SSANORM_USE_COALESCE_LIST.
100         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
101
102 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
103
104         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
105         (rewrite_into_ssa): ... here.
106
107 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
108
109         PR tree-optimization/19786
110         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
111         tag to another's may-alias bitmap when adding to the other's list.
112
113 2005-02-21  DJ Delorie  <dj@redhat.com>
114
115         * tree-ssa-loop-ivopts.c (computation_cost): Start register
116         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
117         registers in unsupported ways.
118         * expmed.c (init_expmed): Likewise.
119         
120 2005-02-21  Stan Cox  <scox@redhat.com>
121
122         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
123
124 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
125
126         * tree-cfg.c (fold_cond_expr_cond): New.
127         (make_edges): Call fold_cond_expr_cond.
128         (find_taken_edge): Accept nothing but INTEGER_CST.
129         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
130         and 1.
131         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
132
133         * flow.c (delete_dead_jumptables): Speed up by scanning insns
134         that do not belong to any basic block.
135
136 2005-02-21  Jeff Law  <law@redhat.com>
137
138         * cfganal.c (find_unreachable_blocks): Manually CSE load of
139         e->dest.
140
141 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
142
143         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
144         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
145         Adjust their definitions.
146         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
147         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
148
149         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
150         genautomata.c, langhooks.c, langhooks.h, system.h,
151         config/arm/lib1funcs.asm: Update copyright.
152
153 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
154
155         * dbxout.c (dbxout_function_end): Emit Lscope label always.
156
157 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
158
159         PR bootstrap/13770
160         * doc/install.texi: Document --with-gc.
161
162 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
163
164         * simplify-rtx.c (simplify_unary_operation): Add a missing
165         "break" statement.
166
167 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
168
169         PR tree-optimization/18663
170         * tree-ssa-dom.c (extract_range_from_cond): Return 0
171         if the type has variable bounds.
172
173 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
174
175         * gcse.c: Remove an obsolete comment.
176
177         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
178
179 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
180
181         * doc/extend.texi (Function Attributes) <Attribute const>: The
182         attribute "pure" is below this text, not above.
183
184 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
185
186         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
187         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
188         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
189
190 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
191
192         PR 18785
193         * langhooks.h (struct lang_hooks): Add to_target_charset.
194         * langhooks.c (lhd_to_target_charset): New function.
195         * langhooks-def.h: Declare lhd_to_target_charset.
196         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
197         (LANG_HOOKS_INITIALIZER): Update.
198         * c-common.c (c_common_to_target_charset): New function.
199         * c-common.h: Declare it.
200         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
201         c_common_to_target_charset.
202
203         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
204         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
205         Delete definitions.
206         * system.h: Poison them.
207         * doc/tm.texi: Don't discuss them.
208         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
209         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
210         (pp_c_char): Do not attempt to generate letter escapes for
211         newline, tab, etc.
212         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
213         * config/mips/mips.c (mips_output_ascii): Likewise.
214
215 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
216
217         PR tree-optimization/19951
218         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
219         is abnormal.
220
221 2005-02-19  Steven Bosscher  <stevenb@suse.de>
222
223         PR middle-end/19698
224         * function.h (struct function): New field `max_loop_depth'.
225         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
226         (flow_loops_find): Reset the max loop depth count before finding loops.
227         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
228         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
229         (calculate_global_regs_live): Make sure the loop will terminate
230         when the initial sets are not empty.
231
232 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
233
234         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
235         object inside.
236         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
237
238 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
239
240         PR other/19525
241         * doc/invoke.texi: Remove documentation of %M spec.
242         * gcc.c: Likewise.
243         (init_spec): Remove %M suffix from -lgcc_s.
244         (do_spec_1): Remove 'M' case.
245         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
246         to put shared libraries in the multilib directory.  Remove the
247         shlib_so_soname substitution variable.  Don't add a multilib encoding
248         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
249         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
250         SHLIB_INSTALL as well as SHLIB_LINK.
251         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
252         (SHLIB_NAME): Delete.
253         (SHLIB_DIR): New macro.
254         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
255         (SHLIB_INSTALL): Adjust accordingly.
256         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
257         * config/t-slibgcc-sld: Likewise.
258         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
259         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
260         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
261         in $(SHLIB_DIR).
262         (SHLIBUNWIND_INSTALL): Adjust accordingly.
263         * config/i386/t-nwld (SHLIB_SONAME): Delete.
264         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
265         Use @shlib_base_name@ instead of @shlib_so_name@.
266         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
267         and @shlib_base_name@.so in @multilib_dir@.
268         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
269         to the install path.
270         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
271         (SHLIB_LINK): Remove previous workaround.
272         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
273         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
274         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
275         the install path.
276         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
277         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
278         (SHLIB_INSTALL): Adjust accordingly.
279         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
280         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
281         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
282         config/t-slibgcc-elf-ver.
283
284 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
285             Jakub Jelinek  <jakub@redhat.com>
286
287         PR tree-optimization/19828
288         * tree-ssa-loop-im.c: Add a TODO comment.
289         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
290         without side-effects.
291
292 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
293
294         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
295         call fold_convert.
296
297 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
298
299         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
300         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
301         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
302         functions.
303         (ia64_reorg): Delete fixup_errata call.
304         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
305         (TARGET_SWITCHES): Delete -mb-step entry.
306
307 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
308
309         PR c/20043
310         * c-typeck.c (composite_type): Handle quals in transparent unions.
311         (type_lists_compatible_p): Likewise.
312
313 2005-02-18  Stan Shebs  <shebs@apple.com>
314
315         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
316         expressions in the .literal8 section.
317
318 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
319
320         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
321
322 2005-02-18  Roger Sayle  <roger@eyesopen.com>
323
324         * fold-const.c (constant_boolean_node): Always create values of the
325         specified type, don't bother calling truthvalue_conversion.
326
327 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
328
329         * except.c (output_function_exception_table): Call
330         assemble_external_libcall (eh_personality_libfunc).
331
332 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
333
334         PR target/19886
335         * config/ia64/ia64.h (struct machine_function): Add state_num.
336         * config/ia64/ia64.c (process_epilogue,
337         process_for_unwind_directive): Use new unwind state numbers each
338         time rather than state 1.
339
340 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
341
342         PR target/20054
343         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
344         before the "*llgt_didi" pattern.
345
346 2005-02-18  Jason Merrill  <jason@redhat.com>
347
348         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
349
350 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
351
352         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
353         (div0): Use it in place of ARM_FUNC_ALIAS.
354         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
355
356 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
357
358         PR middle-end/20030
359         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
360         access, the lower bound of the array type if it exists.
361
362 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
363
364         PR c++/20008
365         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
366         cases that are out-of-range for the index type.
367
368 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
369
370         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
371         (estimate_case_costs): Don't call convert.
372         * expmed.c (expand_shift): Likewise.
373         (make_tree): Call fold_convert instead of convert.
374
375 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
376
377         PR c++/19813
378         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
379         that ref to be marked MEM_READONLY_P doesn't have base that needs
380         constructing.
381
382 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
383
384         * genautomata.c (output_get_cpu_unit_code_func,
385         output_cpu_unit_reservation_p): Don't generate old-style function
386         definitions.
387
388 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
389
390         PR c++/20023
391         PR tree-optimization/20009
392         * convert.c (convert_to_integer): Revert 2005-02-16 change.
393
394         PR tree-optimization/18947
395         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
396         inline, remove all nodes that are inlined into the extern inline
397         being redefined.
398
399 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
400
401         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
402         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
403         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
404         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
405         Update copyright.
406
407 2005-02-17  Roger Sayle  <roger@eyesopen.com>
408
409         PR tree-optimization/19917
410         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
411         to be potentially trapping.
412
413 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
414
415         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
416
417 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
418
419         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
420         tem becomes a local variable which is set to the value of the
421         back end defined INITIAL_FRAME_ADDRESS macro.
422         (expand_builtin_frame_address): Omit the base parameter to
423         expand_builtin_return_addr.
424         (expand_builtin_profile_func): Likewise.
425         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
426         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
427         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
428
429 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
430
431         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
432         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
433         * config/frv/frv.c (frv_function_epilogue): Likewise.
434
435 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
436
437         * lambda-code (perfect_nestify): Remove mark/unmark
438         for rewriting hack.
439         * tree-loop-linear.c (linear_transform_loops): Add
440         rewrite_into_ssa call so that ssa is correct for
441         rewriting into loop closed.
442
443 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
444
445         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
446         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
447         BITMAP_FREE.
448         * bt-load.c (btr_def_live_range, combine_btr_defs,
449         migrate_btr_def, migrate_btr_defs): Likewise.
450         * cfgcleanup.c (thread_jump): Likewise.
451         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
452         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
453         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
454         df_rd_local_compute, df_reg_info_compute): Likewise.
455         * dominance.c (init_dom_info, free_dom_info): Likewise.
456         * flow.c (init_propagate_block_info,
457         free_propagate_block_info): Likewise.
458         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
459         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
460         modify_reg_pav): Likewise.
461         * loop-invariant.c (find_defs, find_invariant_insn,
462         find_invariants, free_inv_motion_data): Likewise.
463         * predict.c (tree_predict_by_opcode,
464         estimate_bb_frequencies): Likewise.
465         * stmt.c (expand_case): Likewise.
466         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
467         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
468         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
469         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
470         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
471         rewrite_ssa_into_ssa): Likewise.
472         * tree-optimize.c (tree_rest_of_compilation): Likewise.
473         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
474         analyze_edges_for_bb, perform_edge_inserts): Likewise.
475         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
476         * tree-sra.c (tree_sra): Likewise.
477         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
478         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
479         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
480         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
481         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
482         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
483         Likewise.
484         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
485         calculate_live_on_entry, calculate_live_on_exit,
486         build_tree_conflict_graph): Likewise.
487         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
488         record_important_candidates, set_use_iv_cost, find_depends,
489         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
490         tree_ssa_iv_optimize_finalize): Likewise.
491         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
492         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
493         tree_duplicate_loop_to_header_edge): Likewise.
494         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
495         * tree-ssa.c (verify_flow_insensitive_alias_info,
496         verify_name_tags, verify_ssa, init_tree_ssa,
497         delete_tree_ssa): Likewise.
498         * tree-ssanames.c (marked_ssa_names, init_ssanames,
499         fini_ssanames): Likewise.
500         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
501
502 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
503
504         * config/rs6000/t-rtems: Completely reworked.
505
506 2005-02-17  Ira Rosen  <irar@il.ibm.com>
507
508         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
509
510 2005-02-17  Ira Rosen  <irar@il.ibm.com>
511
512         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
513         POINTER_TYPE_P when checking that type is a pointer.
514         (vect_get_memtag): Remove.
515         (vect_address_analysis): Use POINTER_TYPE_P. Call
516         vect_object_analysis with dummy parameter for memtag.
517         (vect_object_analysis): Extract memtag (functionality that
518         used to be in vect_get_memtag and moved here). Fix printings.
519         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
520         with correct parameters. Remove call to vect_get_memtag.
521
522 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
523
524         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
525         (tree-vectorizer.o): Added missing dependencies.
526
527         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
528         decleration.
529         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
530         declaration in tree-vectorizer.c, now has an extern declaration in
531         tree-vectorizer.h).
532         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
533         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
534         get_vectype_for_scalar_type, vect_is_simple_use,
535         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
536         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
537         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
538         vectorizable_store, vectorizable_operation, vectorizable_assignment,
539         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
540         find_loop_location): Likewise.
541
542         * tree-vectorizer.c (langhooks.h): #include removed.
543         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
544         moved to tree-vectorized.h.
545         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
546         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
547         get_vectype_for_scalar_type, vect_is_simple_use,
548         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
549         vect_supportable_dr_alignment, new_loop_vec_info,
550         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
551         vect_set_verbosity_level, find_loop_location): Likewise.
552
553         (vect_analyze_loop): Function externalized. Declaration moved to
554         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
555         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
556         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
557         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
558         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
559         vect_enhance_data_refs_alignment, vect_analyze_operations,
560         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
561         vect_stmt_relevant_p, vect_get_loop_niters,
562         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
563         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
564         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
565         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
566         vect_get_memtag): Likewise.
567
568         (vectorizable_load): Function externalized. Declaration moved to
569         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
570         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
571         vect_transform_loop): Likewise.
572         (vect_transform_stmt): Moved to tree-vect-transform.c.
573         (vect_align_data_ref, vect_create_destination_var,
574         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
575         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
576         vect_get_vec_def_for_operand, vect_init_vector,
577         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
578         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
579         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
580         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
581         vect_do_peeling_for_loop_bound): Likewise.
582
583         * tree-vect-analyze.c: New file.
584         * tree-vect-transform.c: New file.
585
586 2005-02-17  Jason Merrill  <jason@redhat.com>
587
588         PR mudflap/19319, c++/19317
589         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
590         slot explicit.
591
592 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
593
594         * doc/install.texi (Specific): Update link for Darwin-specific
595         tool binary site.
596
597 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
598
599         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
600         constant_boolean_node.
601
602 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
603
604         PR target/19019
605         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
606         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
607
608 2005-02-16  Richard Henderson  <rth@redhat.com>
609
610         PR 19920
611         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
612         with W_TYPE_SIZE.
613         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
614         replace uses with Wtype_MAXp1_F.
615         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
616         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
617         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
618         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
619         and HAVE_TFMODE as appropriate.
620         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
621         (__floatdisf): Likewise.
622         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
623         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
624         (Wtype_MAXp1_F): New.
625         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
626         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
627
628 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
629
630         * PR target/19162
631         * arm.c (arm_apply_result_size): New function.
632         * arm.h (APPLY_RESULT_SIZE): Define.
633         * arm-protos.h (arm_apply_result_size): Add prototype.
634         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
635         (movxf): New expand.
636         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
637         (call_value_symbol): Remove predicate for operand 0.
638         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
639         (untyped_call): Rework to correclty return values for any type.
640         (untyped_return): New expand.
641         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
642
643 2005-02-16  Stan Shebs  <shebs@apple.com>
644
645         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
646         * config/rs6000/t-darwin8: New, for 64-bit multilib.
647
648 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
649
650         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
651         configure settings on Solaris 7 and later.
652
653 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
654
655         PR tree-optimization/19865
656         * tree-optimize.c (init_tree_optimization_passes): Run
657         pass_may_alias after pass_sra.
658
659 2005-02-16  Richard Henderson  <rth@redhat.com>
660             Stuart Hastings  <stuart@apple.com>
661
662         PR debug/19521
663         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
664         Do nothing if debug info suppressed for this function.
665         (dbxout_begin_function): Early exit if debug info suppressed for
666         this function.
667
668 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
669
670         PR target/20007
671         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
672         find_basic_blocks.
673         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
674
675         PR tree-optimization/19967
676         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
677         expand_builtin_strchr, expand_builtin_strrchr): Take a new
678         argument TYPE.  Adjust calls to fold_builtin_XXX.
679         (expand_builtin, fold_builtin_1): Adjust calls to
680         expand_builtin_XXX.
681         (fold_builtin_strchr, fold_builtin_strpbrk,
682         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
683         result to a requested type TYPE.
684
685 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
686
687         PR middle-end/19857
688         * fold-const.c (fold): Don't optimize (T)(x & cst) to
689         (T)x & (T)cst if (T)cst overflows.
690         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
691         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
692
693 2005-02-15  Jeff Law  <law@redhat.com>
694
695         * gcse.c (blocks_with_calls): New bitmap.
696         (alloc_gcse_mem): Allocate it.
697         (free_gcse_mem): Free it.
698         (clear_modifY_mem_tables): Clear it.
699         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
700         when we encounter CALL_INSNs.
701         (compute_transp, case MEM): Handle blocks with calls separate
702         from blocks without calls.  Use bitmap iterators rather than
703         FOR_EACH_BB.
704
705 2005-02-15  Peter O'Gorman  <peter@pogma.com>
706
707         PR bootstrap/18810
708         * mklibgcc.in (vis_hide): Use a temporary object file, not
709         -o /dev/null.
710
711 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
712
713         PR target/19924
714         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
715         access optimization.
716
717 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
718             Alan Modra  <amodra@bigpond.net.au>
719
720         PR target/19019
721         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
722         (_xlqsub): Rename to __gcc_qsub.
723         (_xlqmul): Rename to __gcc_qmul.
724         (_xlqdiv): Rename to __gcc_qdiv.
725         Provide versioned symbol aliases with old names.
726         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
727         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
728         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
729         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
730         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
731
732 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
733
734         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
735         Fold ~(A - 1) and ~(A + -1) to -A.
736
737 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
738
739         PR pch/14940
740         PR target/19300
741         * config/host-linux.c (linux_gt_pch_use_address): Copy from
742         config/pa/pa-host.c:pa_gt_pch_use_address.
743
744 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
745
746         * tree-vn.c (get_value_handle): Make sure that given an
747         is_gimple_min_invariant expression, we always return it.
748
749 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
750
751         * passes.c (rest_of_handle_gcse): Fix a comment.
752
753 2005-02-15  Jeff Law  <law@redhat.com>
754
755         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
756         bitmap.
757         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
758         (canon_list_insert, record_last_mem_set_info): Similarly.
759         (clear_modify_mem_tables): Similarly.
760
761 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
762
763         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
764         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
765         config/mips/mips.md, config/rs6000/aix.h,
766         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
767
768 2005-02-15  Richard Henderson  <rth@redhat.com>
769
770         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
771         call to be best_edge.
772
773 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
774
775         * basic-block.h: Adjust the prototype for find_basic_blocks.
776         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
777         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
778         find_basic_blocks.
779
780         * flow.c (recompute_reg_usage): Remove all arguments.
781         * passes.c (rest_of_compilation): Adjust the call to
782         recompute_reg_usage.
783         * rtl.h: Adjust the prototype for recompute_reg_usage.
784
785 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
786
787         * tree-dump.c (dump_files): Update to reflect new member
788         of dump_file_info.
789         (dump_register): Add new argument.
790         Set glob name.
791         (dump_switch_p_1): Check against glob name if doglob was passed.
792         (dump_switch_p): Check against regular first, then glob if
793         we didn't have any hits on the dump name.
794         * tree-optimize.c (register_one_dump_file):
795         Pass in glob name as well.
796         * tree-pass.h (struct dump_file_info): Add glob
797         member.
798
799 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
800
801         PR preprocessor/16323
802         * doc/invoke.texi: Document that -Wendif-labels is on by default.
803
804 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
805
806         PR target/19019
807         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
808         (trunctfdf2_internal1): New.
809         (trunctfdf2_internal2): Renamed from trunctfdf2.
810
811 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
812
813         PR tree-optimization/19853
814         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
815
816 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
817
818         * passes.c (rest_of_handle_loop_optimize): Remove calls to
819         delete_dead_jumptables and cleanup_cfg.
820
821 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
822
823         * reload.c (find_reloads): Swap address_reloaded flags when
824         swapping commutative operands.
825
826 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
827
828         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
829         Use standard_iv_increment_position for computing the bsi position
830         for create_iv.
831         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
832         the bsi position.
833
834 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
835
836         PR target/17428
837         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
838         life range of hard registers.
839         * value-prof.c (insn_prefetch_values_to_profile): Only
840         scan normal insns.
841
842         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
843         profile in libcalls.
844
845 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
846
847         * bitmap.h (bitmap_and_compl_into): Return bool.
848         * bitmap.c (bitmap_and_compl_into): Return changed flag.
849
850 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
851
852         PR tree-optimization/19944
853         * fold-const.c (fold): Re-add ABS_EXPR folding.
854
855 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
856
857         PR target/19019
858         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
859         {TARGET,MASK}_XL_COMPAT.
860         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
861         MASK_XL_COMPAT.
862         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
863         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
864         TARGET_XL_COMPAT.
865         (rs6000_arg_partial_bytes): Same.
866         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
867         and XL compatibility enabled.
868         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
869         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
870         test to final condition.
871         (cmptf_internal2): New.
872         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
873         xl-compat.  Add TFmode information to description.
874
875 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
876
877         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
878
879 2005-02-13  Jason Merrill  <jason@redhat.com>
880
881         PR c++/16405
882         * fold-const.c (fold_indirect_ref_1): Split out from...
883         (build_fold_indirect_ref): Here.
884         (fold_indirect_ref): New fn.
885         * tree.h: Declare it.
886         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
887         (gimplify_modify_expr_rhs): Likewise.
888         (gimplify_expr): Likewise.
889
890 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
891
892         PR tree-optimization/14303
893         PR tree-optimization/15784
894         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
895         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
896         ABS_EXPR<x> != 0 to x != 0.
897
898 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
899
900         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
901         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
902         spelling conventions.
903
904         * passes.c (rest_of_handle_gcse): Don't run cse_main and
905         delete_trivially_dead_insns too many times.
906
907         * passes.c (rest_of_handle_gcse): Remove dead assignments to
908         tem and tem2.
909
910 2005-02-12  Ira Rosen  <irar@il.ibm.com>
911
912         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
913         (vect_is_simple_iv_evolution): Remove redundant parameter
914         and step check.
915         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
916         without last parameter.
917         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
918         Return pointer step. Call vect_is_simple_iv_evolution without
919         last parameter. Check only that the step is multiple of size
920         type. Remove stmt_vinfo updates.
921         (vect_get_memtag_and_dr): Remove.
922         (vect_get_memtag): New function.
923         (vect_address_analysis): New function.
924         (vect_object_analysis): New function.
925         (vect_analyze_data_refs): Call vect_object_analysis and
926         vect_get_memtag. Update stmt_vinfo fields.
927
928 2005-02-12  Ira Rosen  <irar@il.ibm.com>
929
930         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
931         exist and are objects. Remove checks for pointer.
932         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
933         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
934         (vect_create_data_ref_ptr): Likewise.
935         (vect_base_addr_differ_p): New function.
936         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
937         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
938         Don't set the DR_BASE_NAME field of data-ref.
939         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
940
941 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
942
943         * optabs.h (enum optab_index): Add new OTI_ldexp.
944         (ldexp_optab): Define corresponding macro.
945         * optabs.c (init_optabs): Initialize ldexp_optab.
946         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
947         patterns.
948         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
949         using ldexp_optab.
950         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
951         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
952
953         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
954         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
955         intrinsics.
956
957 2005-02-12  Ira Rosen  <irar@il.ibm.com>
958
959         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
960         to base_address.
961         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
962         stmt_vec_info.
963         (vect_get_base_and_offset): Always return an address.
964         (vect_create_addr_base_for_vector_ref): Remove treatment for
965         different data reference types.
966         (vect_compute_data_ref_alignment): Rename base to base_address in
967         stmt_vec_info. Get the object in order to force its alignment.
968         (vect_get_memtag_and_dr): Rename base to base_address in
969         stmt_vec_info. Extract the object for memtag analysis.
970
971 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
972
973         PR regression/19898.
974         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
975         changes cc_status, use apply modified_in_p to part of cc_status
976         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
977         body.
978
979 2005-02-11  Richard Henderson  <rth@redhat.com>
980
981         * tree-complex.c (expand_complex_libcall): New.
982         (expand_complex_multiplication): Use it for c99 compliance.
983         (expand_complex_division): Likewise.
984         * fold-const.c (fold_complex_add, fold_complex_mult): New.
985         (fold): Call them.
986         * builtins.c (built_in_names): Remove const.
987         * tree.c (build_common_builtin_nodes): Build complex arithmetic
988         builtins.
989         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
990         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
991         (built_in_names): Remove const.
992         * c-common.c (c_common_type_for_mode): Handle complex modes.
993         * flags.h, toplev.c (flag_complex_method): Rename from
994         flag_complex_divide_method.
995         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
996         __mulsc3, __muldc3, __mulxc3, __multc3): New.
997         * libgcc2.h: Declare them.
998         * libgcc-std.ver: Export them.
999         * mklibgcc.in (lib2funcs): Build them.
1000
1001 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1002
1003         PR tree-optimization/19876
1004         Partially revert my change from 2005-01-14
1005         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1006         (compute_antic): ...and remove the loop here.
1007
1008 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1009
1010         PR middle-end/19858
1011         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1012         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1013
1014         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1015         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1016
1017 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1018
1019         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1020         offsets for the big-endian 32-bit case.
1021
1022 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1023
1024         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1025
1026 2005-02-11  Dale Johannesen  <dalej@apple.com>
1027
1028         * cselib.c (cselib_process_insn):  Clear out regs where
1029         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1030         * reload.c (find_equiv_reg): Ditto.
1031
1032 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1033
1034         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1035         with no elements.
1036
1037         * tree.c (build_function_type_list): Work correctly if there are
1038         no arguments.
1039
1040 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1041
1042         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1043         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1044         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1045         TARGET_ZARCH instead of TARGET_64BIT.
1046
1047 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1048
1049         * config/rs6000/t-rtems:
1050         (MULTILIB_OPTIONS): Remove mcpu=602.
1051         (MUTLILIB_DIRNAMES): Remove m602.
1052         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1053         Let mcpu=602 match mcpu=603.
1054         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1055
1056 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1057
1058         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1059         signal trampolines.
1060
1061 2005-02-10  David Daney  <ddaney@avtrex.com>
1062
1063         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1064         * config/i386/linux-unwind.h: Likewise.
1065         * config/ia64/linux-unwind.h: Likewise.
1066         * config/mips/linux-unwind.h: Likewise.
1067         * config/pa/linux-unwind.h: Likewise.
1068         * config/rs6000/linux-unwind.h: Likewise.
1069         * config/s390/linux-unwind.h: Likewise.
1070         * config/sh/linux-unwind.h: Likewise.
1071         * config/sparc/linux-unwind.h: Likewise.
1072
1073 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1074
1075         PR tree-optimization/17549
1076         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1077         TER to replace a DEF with its expression if the DEF and the
1078         rhs of the expression we replace into have the same root
1079         variable.
1080
1081 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1082
1083         * config/mips/mips.md: Fix the placement of the match_scratch in the
1084         lea64 peephole2.
1085
1086 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1087
1088         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1089         Fix comment typos.
1090
1091 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1092
1093         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1094         (strip_offset): Handle addresses.
1095         (add_address_candidates): Use strip_offset.
1096         (difference_cost): Reflect strip_offset change.
1097         (force_var_cost, difference_cost): Strip nops.
1098
1099 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1100
1101         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1102
1103         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1104         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1105         config/cris/cris-protos.h, config/cris/cris.c: Update
1106         copyright.
1107
1108 2005-02-10  Jeff Law  <law@redhat.com>
1109
1110         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1111         (lookup_avail_expr): Similarly.
1112
1113 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1114
1115         * builtins.c (fold_builtin_powi): New function.
1116         (fold_builtin_1): Call it.
1117
1118 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1119
1120         PR documentation/19309
1121         * doc/cpp.texi: The __GNUC__ and related predefined macros
1122         are also defined for the "standalone" cpp.
1123         Some non-GCC compilers may also define __GNUC__.
1124
1125 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1126
1127         PR c/19342
1128         * c-typeck.c (common_type): New routine.  Old common_type renamed
1129         to...
1130         (c_common_type): ...this.
1131         (build_conditional_expr, build_binary_op): Use c_common_type instead
1132         of common_type.
1133
1134 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1135
1136         * doc/md.texi: Replace @samp{length} with @code{length}.
1137
1138 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1139
1140         PR tree-optimization/18687
1141         * tree-flow.h (find_loop_niter): Declare.
1142         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1143         Try using scev even for loops with more than one exit.
1144         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1145         (struct ivopts_data): Added niters field.
1146         (struct nfe_cache_elt): New.
1147         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1148         functions.
1149         (tree_ssa_iv_optimize_init): Initialize niters cache.
1150         (determine_number_of_iterations): Removed.
1151         (find_induction_variables): Do not call determine_number_of_iterations.
1152         Access niters for single exit through niter_for_single_dom_exit.
1153         (add_iv_outer_candidates): Access niters for single exit through
1154         niter_for_single_dom_exit.
1155         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1156         number_of_iterations_cond.
1157         (iv_period): New function.
1158         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1159         (may_replace_final_value): Take data argument.  Use
1160         niter_for_single_dom_exit.
1161         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1162         (rewrite_use_compare): Pass data to may_eliminate_iv.
1163         (rewrite_use_outer): Pass data to may_replace_final_value.
1164         (free_loop_data): Clean up the niters cache.
1165         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1166         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1167         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1168         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1169         (num_ending_zeros): Moved to tree.c.
1170         * tree.h (num_ending_zeros): Declare.
1171         * tree.c (num_ending_zeros): Moved from tree.c.
1172
1173 2005-02-09  Richard Henderson  <rth@redhat.com>
1174
1175         * builtins.c (DEF_BUILTIN): Add COND argument.
1176         * tree.h (DEF_BUILTIN): Likewise.
1177         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1178         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1179         match.
1180         (DEF_BUILTIN_STUB): New.
1181         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1182         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1183         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1184         * c-common.c (DEF_BUILTIN): Add COND argument.
1185         * tree.c (local_define_builtin): New.
1186         (build_common_builtin_nodes): New.
1187
1188 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1189
1190         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1191         floating point expression ignoring the sign of the result.
1192         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1193         (fold) <MULT_EXPR>: Use it to simplify x*x.
1194         * tree.h (fold_strip_sign_ops): Prototype here.
1195         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1196         argument.  Use fold_strip_sign_ops to simplify the first argument.
1197         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1198         first argument when the second argument is an even integer
1199         constant, but only with -funsafe_math_optimizations.
1200         (fold_builtin_1): Update call to fold_builtin_copysign.
1201
1202 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1203
1204         PR middle-end/19583
1205         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1206         just check whether EH_FILTER_FAILURE falls through.
1207
1208 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1209
1210         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1211         insns return to ready list in the next turn.
1212
1213 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1214
1215         PR middle-end/19402
1216         * builtins.def: New __builtin_powi[lf].
1217         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1218         (expand_builtin_powi): New function.
1219         (expand_builtin): Dispatch to expand_builtin_powi.
1220         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1221         * libgcc2.c: Add __builtin_powi[lf] implementation.
1222         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1223         * optabs.h: Add powi_optab.
1224         * optabs.c (init_optabs): Initialize powi_optab.
1225         * doc/extend.texi: Document __builtin_powi[lf].
1226
1227 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1228
1229         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1230         exists.
1231
1232 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1233
1234         PR middle-end/19854
1235         * fold-const.c (try_move_mult_to_index): Remove redundant
1236         type argument.  Create ADDR_EXPR with correct type.
1237         (fold): Update callers of try_move_mult_to_index.  Convert
1238         result to the appropriate type.
1239
1240 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1241
1242         PR target/19597
1243         * config/avr/avr.c (default_rtx_costs): Delete.
1244         (avr_operand_rtx_cost): New function.
1245         (avr_rtx_costs): Completely rewrite.
1246
1247 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1248
1249         PR target/19806
1250         * config/cris/cris.c (in_code): New variable.
1251         (cris_output_addr_const): Now a static function, a wrapper for
1252         output_addr_const.
1253         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1254         case from old cris_output_addr_const.
1255         (cris_asm_output_label_ref): Similar for LABEL_REF.
1256         (cris_output_addr_const_extra): Similar for UNSPEC.
1257         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1258         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1259         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1260         declaration.
1261         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1262         (cris_asm_output_label_ref): Declare.
1263
1264 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1265
1266         PR preprocessor/19801
1267         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1268         filenames that changed when libcpp was moved to the toplevel.
1269
1270 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1271
1272         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1273         zero extensions of BImode operands.  Call lowpart_subreg instead
1274         of gen_lowpart_common and gen_lowpart_SUBREG.
1275
1276 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1277
1278         PR ada/19489
1279         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1280         * configure.ac: Set cc_for_cross_gnattools.
1281         * configure: Regenerate.
1282
1283 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1284
1285         PR target/19803
1286         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1287
1288 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1289
1290         PR debug/19327
1291         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1292         of nested functions.
1293
1294 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1295
1296         * doc/extend.texi: Document deprecated extensions allowing
1297         static floating-point members to have initializers and allowing
1298         floating-point literals in integral constant expressions.
1299
1300 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1301
1302         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1303         config/darwin7.h, config/mips/mips.c,
1304         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1305         Update copyright.
1306
1307         * cse.c: Update comments.
1308
1309 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1310
1311         PR middle-end/19775
1312         * builtins.c (fold_builtin_sqrt): Transform
1313         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1314         pow(x,y*0.5).
1315
1316 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1317             Dorit Naishlos  <dorit@il.ibm.com>
1318
1319         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1320         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1321         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1322         was added.
1323         * tree.h (vect_set_verbosity_level): New extern function declaration
1324         added.
1325         * tree-vectorizer.h (verbosity_levels): New enum type.
1326         * tree-vectorizer.c (vect_debug_stats): Function removed.
1327         (vect_debug_details): Likewise.
1328         (vect_verbosity_level): Global variable was defined and initialized.
1329         (vect_dump): Global variable definition.
1330         (vect_print_dump_info): New function.
1331         (vect_set_dump_settings): New function.
1332         (vect_set_verbosity_level): New function.
1333         (vectorize_loops): Add call to vect_set_dump_settings.
1334
1335         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1336         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1337         (slpeel_tree_peel_loop_to_edge): Likewise.
1338
1339         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1340         appropriate verbosity level instead of call to vect_debug_details
1341         or vect_debug_stats.
1342         (vect_get_base_and_offset):
1343         (vect_create_addr_base_for_vector_ref):
1344         (get_vectype_for_scalar_type):
1345         (vect_create_data_ref_ptr):
1346         (vect_init_vector):
1347         (vect_get_vec_def_for_operand):
1348         (vect_finish_stmt_generation):
1349         (vectorizable_assignment):
1350         (vectorizable_operation):
1351         (vectorizable_store):
1352         (vectorizable_load):
1353         (vect_transform_stmt):
1354         (vect_update_ivs_after_vectorizer):
1355         (vect_do_peeling_for_loop_bound):
1356         (vect_update_inits_of_drs):
1357         (vect_do_peeling_for_alignment):
1358         (vect_transform_loop):
1359         (vect_is_simple_use):
1360         (vect_analyze_operations):
1361         (vect_is_simple_iv_evolution):
1362         (vect_analyze_scalar_cycles):
1363         (vect_analyze_data_ref_dependence):
1364         (vect_analyze_data_ref_dependences):
1365         (vect_compute_data_ref_alignment):
1366         (vect_enhance_data_refs_alignment):
1367         (vect_analyze_data_refs_alignment):
1368         (vect_analyze_data_ref_access):
1369         (vect_analyze_data_ref_accesses):
1370         (vect_analyze_pointer_ref_access):
1371         (vect_get_memtag_and_dr):
1372         (vect_analyze_data_refs):
1373         (vect_mark_relevant):
1374         (vect_stmt_relevant_p):
1375         (vect_mark_stmts_to_be_vectorized):
1376         (vect_can_advance_ivs_p):
1377         (vect_get_loop_niters):
1378         (vect_analyze_loop_form):
1379         (vect_analyze_loop):
1380         (vectorize_loops): Likewise.
1381
1382         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1383         (vect_update_inits_of_drs):
1384         (vect_do_peeling_for_alignment):
1385         (vect_transform_loop):
1386         (vect_analyze_operations):
1387         (vect_analyze_scalar_cycles):
1388         (vect_analyze_data_ref_dependences):
1389         (vect_analyze_data_refs_alignment):
1390         (vect_analyze_data_ref_accesses):
1391         (vect_analyze_data_refs):
1392         (vect_mark_stmts_to_be_vectorized):
1393         (vect_get_loop_niters):
1394         (vect_analyze_loop_form):
1395         (vect_analyze_loop): Likewise.
1396         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1397
1398 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1399
1400         PR bootstrap/19796
1401         Revert:
1402         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1403         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1404         either -ffast-math or -funsafe-math-optimizations is in use.
1405
1406         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1407         * config/mips/irix-csr.c: New file.
1408         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1409         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1410         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1411         executables.
1412
1413 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1414
1415         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1416         redundant, incorrect definitions.
1417
1418         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1419         expand.
1420         ("*tls_indirect_call"): New, reference hard regs directly.
1421         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1422
1423 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1424
1425         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1426         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1427
1428 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1429
1430         PR rtl-optimization/19800
1431         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1432         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1433         gen_lowpart.
1434
1435 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1436
1437         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1438
1439 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1440
1441         PR other/17135
1442         * doc/invoke.texi: Correct documentation of -freorder-functions.
1443
1444 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1445
1446         PR other/14402
1447         * doc/invoke.texi: Don't mention gccbug.
1448
1449 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1450             Andrew Pinski  <pinskia@physics.uc.edu>
1451             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1452
1453         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1454         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1455         into just (zero_extract:SI FOO (const_int 1) BAR).
1456
1457 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1458
1459         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1460         macro locally.  Don't give last revision date.  Use GCC version
1461         number from gcc-common.texi.
1462         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1463         revision date.  Use GCC version number from gcc-common.texi.
1464         Describe being a library as current state rather than as 3.x
1465         history.
1466         * doc/gcc.texi: Remove last update date.
1467         * doc/gccint.texi: Likewise.  Update copyright dates.
1468         * doc/install.texi: Update copyright dates.
1469
1470 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1471
1472         PR other/7549
1473         * doc/invoke.texi: Mention for each option included in -Wall that
1474         it is included in -Wall.
1475         * doc/gcc.texi: Update copyright and last modification date.
1476
1477 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1478
1479         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1480         unnecessary cast to original induction variable increments.
1481
1482 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1483
1484         PR tree-optimization/18219
1485         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1486         in distributed form.
1487
1488 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1489
1490         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1491         Set bitpos and offset later in the function.  Do nothing if the
1492         target is a register and if the bitfield lies completely outside
1493         that register.
1494         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1495         here.  Return an uninitialised register if the source value is stored
1496         in a register and the bitfield lies completely outside that register.
1497
1498 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1499
1500         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1501         not SET_DEST.
1502
1503 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1504
1505         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1506
1507 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1508
1509         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1510         * config/darwin8.h: New.
1511         * config/darwin7.h: Update comment.
1512
1513 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1514             Dorit Naishlos  <dorit@il.ibm.com>
1515
1516         * tree-vectorizer.h (LOC): New type.
1517         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1518         (loop_line_number): New field in struct _loop_vec_info.
1519         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1520
1521         * tree-vectorizer.c (input.h): Included.
1522         (find_loop_location): New function.
1523         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1524         loop line number removed.
1525         (vect_debug_details): Likewise.
1526         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1527
1528         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1529         call to vect_debug_details/stats changed from loop to loop_loc.
1530         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1531         (slpeel_tree_peel_loop_to_edge): Likewise.
1532
1533         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1534         changed from NULL to UNKNOWN_LOC.
1535         (vect_get_base_and_offset):
1536         (vect_create_addr_base_for_vector_ref):
1537         (get_vectype_for_scalar_type):
1538         (vect_create_data_ref_ptr):
1539         (vect_init_vector):
1540         (vect_get_vec_def_for_operand):
1541         (vect_finish_stmt_generation):
1542         (vectorizable_assignment):
1543         (vectorizable_operation):
1544         (vectorizable_store):
1545         (vectorizable_load):
1546         (vect_transform_stmt):
1547         (vect_update_ivs_after_vectorizer):
1548         (vect_do_peeling_for_loop_bound):
1549         (vect_do_peeling_for_alignment):
1550         (vect_transform_loop):
1551         (vect_is_simple_use):
1552         (vect_analyze_operations):
1553         (vect_is_simple_iv_evolution):
1554         (vect_analyze_scalar_cycles):
1555         (vect_analyze_data_ref_dependences):
1556         (vect_compute_data_ref_alignment):
1557         (vect_enhance_data_refs_alignment):
1558         (vect_analyze_data_ref_access):
1559         (vect_analyze_data_ref_accesses):
1560         (vect_analyze_pointer_ref_access):
1561         (vect_get_memtag_and_dr):
1562         (vect_analyze_data_refs):
1563         (vect_mark_relevant):
1564         (vect_stmt_relevant_p):
1565         (vect_mark_stmts_to_be_vectorized):
1566         (vect_can_advance_ivs_p):
1567         (vect_get_loop_niters):
1568         (vect_analyze_loop):
1569         (vectorize_loops): Likewise.
1570
1571         (vectorizable_load): Argument in call to vect_debug_details/stats
1572         changed from loop to LOOP_LOC (loop_vinfo).
1573         (vect_transform_loop):
1574         (vect_analyze_operations):
1575         (vect_analyze_scalar_cycles):
1576         (vect_analyze_data_ref_dependence):
1577         (vect_enhance_data_refs_alignment):
1578         (vect_analyze_data_ref_accesses):
1579         (vect_analyze_pointer_ref_access):
1580         (vect_analyze_data_refs):
1581         (vect_analyze_loop): Likewise.
1582
1583         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1584         changed from loop to loop_loc.
1585
1586         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1587
1588 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1589             Dorit Naishlos  <dorit@il.ibm.com>
1590
1591         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1592         declaration added.
1593         (vect_analyze_data_ref_dependences): Likewise.
1594
1595         (vect_is_simple_use): Argument changed from loop structure to
1596         loop_vect_info structure.
1597         (vect_can_advance_ivs_p): Likewise.
1598         (vect_create_index_for_vector_ref): Likewise.
1599         (vect_update_ivs_after_vectorizer): Likewise.
1600         (new_stmt_vec_info): Likewise.
1601
1602         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1603         changed from loop to loop_vinfo.
1604         (vect_create_data_ref_ptr): First argument in call to
1605         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1606         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1607         was changed from loop to loop_vinfo.
1608         (vectorizable_operation): Likewise.
1609         (vectorizable_store): Likewise.
1610         (vect_mark_stmts_to_be_vectorized): Likewise.
1611         (vect_do_peeling_for_loop_bound): First argument in call to
1612         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1613         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1614         was changed from loop to loop_vinfo.
1615         (vect_analyze_data_ref_dependences): Third argument in call to
1616         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1617
1618         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1619         (vect_create_data_ref_ptr): Likewise.
1620         (vect_init_vector): Likewise.
1621         (vect_get_vec_def_for_operand): Likewise.
1622         (vectorizable_assignment): Likewise.
1623         (vectorizable_operation): Likewise.
1624         (vectorizable_store): Likewise.
1625         (vectorizable_load): Likewise.
1626         (vect_update_ivs_after_vectorizer): Likewise.
1627         (vect_is_simple_use): Likewise.
1628         (vect_analyze_data_ref_dependence): Likewise.
1629         (vect_analyze_pointer_ref_access): Likewise.
1630         (vect_can_advance_ivs_p): Likewise.
1631
1632         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1633         before _stmt_vec_info.
1634         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1635         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1636         (new_stmt_vec_info): Argument changed from loop structure to
1637         loop_vect_info structure
1638
1639         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1640         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1641         (vect_create_addr_base_for_vector_ref): Likewise.
1642         (vect_analyze_pointer_ref_access): Likewise.
1643
1644 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1645
1646         PR tree-opt/19768
1647         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1648         phi flag if the phi is abnormal.
1649
1650 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1651
1652         PR tree-opt/19736
1653         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1654         information for the new statement.
1655
1656 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1657
1658         PR driver/19117
1659         * gcc.c (main): Include the target in -v output.
1660
1661 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1662
1663         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1664         Do not drop the extend if we'd have to add a paradoxical subreg
1665         later.  Include optabs.h and insn-codes.h.
1666         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1667
1668 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1669
1670         PR middle-end/19405
1671         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1672         * fold-const.c (const_binop): Avoid constant folding floating
1673         point operations in modes that use composite representations.
1674         * simplify-rtx.c (simplify_binary_operation): Likewise.
1675
1676 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1677
1678         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1679         a REG, not a MEM.
1680         (altivec_dstt): Likewise.
1681         (altivec_dstst): Likewise.
1682         (altivec_dststt): Likewise.
1683         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1684         of first operand.
1685
1686 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1687
1688         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1689         EXPR_LOCUS from orig_cond to the new cond_stmt.
1690         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1691         the new vec_stmt.
1692
1693 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1694
1695         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1696         standard_iv_increment_position. Remove call to bsi_next
1697         (no need to bump the iterator anymore).
1698         (vect_create_index_for_vector_ref): Call
1699         standard_iv_increment_position. Remove second function argument.
1700         (vect_finish_stmt_generation): Remove call to bsi_next
1701         (no need to bump the iterator anymore).
1702         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1703         to vect_create_index_for_vector_ref.
1704
1705 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1706
1707         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1708         phis are used out of the loop.
1709
1710 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1711
1712         PR c/17807
1713         * c-decl.c (undef_nested_function): New variable.
1714         (pop_scope): Diagnose undefined nested functions.
1715         (finish_function): Don't attempt cgraph processing or genericizing
1716         if current top-level function contained an undefined nested
1717         function.  Reset undef_nested_function at the end of a top-level
1718         function.
1719
1720 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1721
1722         * tree.c (build_int_cst_type): Take sign of the value into account
1723         when deciding whether sign extend the value.
1724
1725 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1726
1727         PR c/18502
1728         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1729         (cpp_options, cc1_options): Change %{std*&ansi} to
1730         %{std*&ansi&trigraphs}.
1731
1732 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1733
1734         * cse.c: Update comments.
1735
1736 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1737
1738         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1739         arguments go on the stack.  Do not put complex doubles in odd/even
1740         pairs.
1741
1742 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1743
1744         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1745         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1746         -ftree-pre, and -fthread-jumps.
1747
1748 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1749
1750         PR tree-optimization/19578
1751         * tree-flow.h (modified_noreturn_calls): Declare.
1752         (noreturn_call_p): Declare.
1753         * tree-flow-inline.h (noreturn_call_p): New function.
1754         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1755         * tree-cfg.c (modified_noreturn_calls): New variable.
1756         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1757         that contain a mid-block noreturn call.
1758         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1759
1760 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1761
1762         * df.c (df_def_record_1, df_uses_record): Don't use
1763         DF_FOR_REGALLOC.
1764         * df.h (DF_FOR_REGALLOC): Remove.
1765
1766 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1767
1768         PR c/19435
1769         * c-typeck.c (really_start_incremental_init): Reset
1770         constructor_max_index for arrays of incomplete type.
1771
1772 2005-02-02  Jeff Law  <law@redhat.com>
1773
1774         * gcse.c (struct reg_set): Store the block index where the register
1775         was set rather than the setting insn.
1776         (record_one_set, compute_transp): Corresponding changes.
1777         (pre_insert_copy_insn): Do not call replace_one_set.
1778         (replace_one_set): Remove.
1779
1780 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1781
1782         PR other/15514
1783         * doc/gcov.texi: Fix typo.
1784
1785 2005-02-01  Richard Henderson  <rth@redhat.com
1786
1787         PR target/19680
1788         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1789         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1790         type to bool.
1791         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1792         * config/i386/i386-protos.h: Update.
1793
1794 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1795
1796         PR tree-optimization/19217
1797         * tree-cfg.c (verify_expr): Use the data field to see if TP was
1798         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
1799         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1800         that it is walking a PHI node.
1801
1802 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
1803
1804         * doc/extend.texi (Nested Functions): Update.
1805
1806 2005-02-01  Richard Henderson  <rth@redhat.com>
1807
1808         PR 19696
1809         * optabs.c (expand_copysign_absneg): Export.
1810         * optabs.h (expand_copysign_absneg): Declare.
1811         * config/rs6000/rs6000.md (copysigntf3): New.
1812
1813 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1814
1815         PR tree-optimization/19633
1816         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1817         * tree-ssa-alias.c (init_alias_info): Initialize.
1818         (merge_pointed_to_info): Set.
1819         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1820         (dump_points_to_info_for): Show value of pt_null.
1821         (struct count_ptr_d): Declare.
1822         (find_ptr_dereference): Remove.
1823         (ptr_is_dereferenced_by): Remove.
1824         (count_ptr_derefs): New local function.
1825         (count_uses_and_derefs): New local function.
1826         (compute_points_to_and_addr_escape): Call it.  If the number
1827         of dereferences is greater than zero, mark the pointer as
1828         dereferenced.  If there are fewer dereferences than uses of
1829         the pointer, the pointer's value escapes.
1830
1831 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1832
1833         PR tree-optimization/19670
1834         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1835         here...
1836         (verify_use): ... set it here, instead.
1837
1838 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
1839
1840         * doc/sourcebuild.texi (Test directives): Fix formatting.
1841
1842         * doc/sourcebuild.texi (Test directives): Describe selector
1843         expressions.
1844
1845 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
1846
1847         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1848         specific 64-bit CPUs.
1849
1850 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
1851
1852         PR target/16201
1853         * arm.c (arm_eliminable_register): New function.
1854         (adjacent_mem_locations): Don't allow eliminable registers.  Use
1855         HOST_WIDE_INT for address offsets.
1856         * arm-protos.h (arm_eliminable_register): Add prototype.
1857
1858 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1859
1860         PR optimization/15242
1861         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
1862         * basic-block.h (duplicate_computed_gotos): Add prototype.
1863         * bb-reorder.c (duplicate_computed_gotos): New function to
1864         duplicate sufficiently small blocks ending in a computed jump.
1865         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
1866         if not optimizing for size.
1867         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
1868         never do tail merging for blocks ending in a computed jump.
1869         * doc/invoke.texi: Document the max-goto-duplication-insns param.
1870
1871 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1872
1873         Patch from Richard Sandiford <rsandifo@redhat.com>
1874         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
1875         from inheriting a subreg equivalence with a non-spill register.
1876
1877         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
1878
1879 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
1880
1881         * config/frv/frv.c (movcc_fp_destination_operand): New.
1882         (gpr_or_memory_operand): Fix typo in comment.
1883         (gpr_or_memory_operand_with_scratch): New.
1884         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
1885         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
1886         movcc_fp_destination_operand.
1887         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
1888         Legitimize memory addresses using a scratch register.
1889
1890 2005-01-31  Jeff Law  <law@redhat.com>
1891
1892         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
1893         bitmap a sparse bitmap instead of a simple bitmap.
1894         (mark_def_sites_initialize_block):  Corresponding changes.
1895         (ssa_mark_def_sites_initialize_block): Likewise.
1896         (ssa_mark_phi_uses): Likewise.
1897         (mark_def_site, ssa_mark_def_sites): Likewise.
1898         (mark_def_site_blocks): Likewise.
1899         (rewrite_ssa_into_ssa): Likewise.
1900
1901         * tree-ssa-dom.c (record_cond): Pass correct variable type
1902         for last argument to htab_find_slot_with_hash.
1903
1904         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
1905         effects when optimizing 0 % X.  Do not try to optimize X % 0.
1906
1907 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
1908
1909         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
1910         1_mmalua.
1911
1912 2005-02-01  Eric Christopher  <echristo@redhat.com>
1913
1914         * config/mips/mips.c (override_options): Warn if -mint64
1915         is used.
1916         * doc/invoke.texi (MIPS Options): Document that -mint64 is
1917         deprecated.
1918
1919 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1920
1921         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
1922         timestamp.
1923         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
1924         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
1925         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
1926         (cached_regno): Initialize to INVALID_REGNUM.
1927         (cse_reg_info_table_size,
1928         cse_reg_info_table_first_uninitialized,
1929         cse_reg_info_timestamp): New.
1930         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
1931         get_cse_reg_info.
1932         (init_cse_reg_info, get_cse_reg_info_1): New.
1933         (get_cse_reg_info): Cache the last look-up.
1934         (new_basic_block): Update the code to clear mappings from
1935         registers to cse_reg_info entries.
1936         (cse_main): Call init_cse_reg_info.
1937
1938         * cse.c (get_cse_reg_info): Update a comment.
1939
1940 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1941
1942         PR c/19333
1943         * c-decl.c (start_decl): Do not warn about arrays of elements with
1944         an incomplete type here.
1945         (grokdeclarator): Do it here by making a pedwarn an error.
1946         * c-typeck.c (push_init_level): If there were previous errors with
1947         the constructor type, do not warn about braces for initializers.
1948         (process_init_element): Likewise for excess initializer elements.
1949
1950 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1951
1952         * cse.c (delete_trivially_dead_insn): Don't iterate.
1953
1954 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1955
1956         * config/rs6000/rs6000.md (copysignsf3): New expand.
1957         (copysigndf3): Likewise.
1958
1959 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1960
1961         * recog.c (constrain_operands): Only look for earlyclobber operand
1962         conflicts if an '&' constraint was seen.
1963
1964 2005-01-31  Marc Espie <espie@openbsd.org>
1965
1966         * config.gcc: Don't include embedded systems fragment, switches default
1967         debugging format to ELF.
1968         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
1969         longer pick it up there.
1970
1971 2005-01-31  Dale Johannesen  <dalej@apple.com>
1972
1973         * doc/extend.texi (nested functions): Fix linkage description.
1974         Clarify that static is not allowed.
1975
1976 2005-01-31  Dale Johannesen  <dalej@apple.com>
1977
1978         * config/rs6000/darwin.md (movsf_low_di):  Make work.
1979         (movdf_low_di):  Make work.
1980
1981 2005-01-31  Dale Johannesen  <dalej@apple.com>
1982
1983         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
1984         Make work for 64 bit.
1985
1986 2005-01-31  Roger Sayle  <roger@eyesopen.com>
1987             Dale Johannesen  <dalej@apple.com>
1988
1989         PR middle-end/19650
1990         * fold-const.c (fold_binary_op_with_conditional_arg):
1991         Make types match original operands, before STRIP_NOPS.
1992
1993 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
1994
1995         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
1996         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
1997         (struct gcc_sigcontext): Delete.  Merge contents to..
1998         (struct gcc_ucontext): ..here.
1999         (get_sigcontext): Delete.
2000         (get_regs): New function, like get_sigcontext but return regs ptr.
2001         64-bit version finds regs from r1 to support vdso.
2002         (ppc_linux_aux_vector): New function.
2003         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2004         and vector regs.
2005
2006 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2007
2008         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2009         sizetype.
2010         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2011         redundant fold. Fix misalignment for MINUS_EXPR.
2012         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2013         (vect_analyze_pointer_ref_access): Likewise.
2014         (vect_get_memtag_and_dr): Likewise.
2015
2016 2005-01-31  Richard Henderson  <rth@redhat.com>
2017
2018         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2019         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2020         absnegdf2_i387, absnegxf2_i387): Likewise.
2021
2022 2005-01-31  Richard Henderson  <rth@redhat.com>
2023
2024         PR 19696
2025         * optabs.c (expand_copysign_absneg): New.
2026         (expand_copysign_bit): Split out from ...
2027         (expand_copysign): ... here.  Use expand_copysign_absneg.
2028
2029 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2030
2031         PR middle-end/19697
2032         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2033         constant as the second operand and a register as the third.
2034
2035 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2036
2037         PR target/19704
2038         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2039         that dllimport'd functions do not use all call-clobbered registers
2040         to pass parameters.
2041
2042 2005-01-30  Richard Henderson  <rth@redhat.com>
2043
2044         PR 19696
2045         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2046         expand_abs_nojump and generalize.  Use operand_subword and
2047         emit_no_conflict_block.  Support large modes.
2048         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2049         back to maximum.
2050         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2051         negation to subtraction.
2052         (expand_copysign): Check that the format has signed zeros.
2053         Use operand_subword and emit_no_conflict_block.  Support large modes.
2054
2055 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2056
2057         Fix PR tree-optimization/19624
2058
2059         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2060         * tree-ssa-pre.c: Add cfgloop.h.
2061         Update comment.
2062         (pre_stats): New member, constified.
2063         (inserted_exprs): New static variable.
2064         (NECESSARY): New macro.
2065         (create_expression_by_pieces): Fold the expression, and
2066         mark it as defaulting to not necessary. Also put in
2067         inserted_exprs.
2068         (fully_constant_expression): New function.
2069         (insert_into_preds_of_block): Modify to not insert phis when we
2070         are playing with induction variables.
2071         Push phis onto the inserted_exprs vector, and mark them as not
2072         necessary by default.
2073         (insert_aux): Call fully_constant_expression on eprime.
2074         If all edges produce the same value, mark it constant.
2075         (mark_operand_necessary): New function.
2076         (remove_dead_inserted_code): New function.
2077         (init_pre): Init loop optimizer to get loop info.
2078         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2079         (execute_pre): Commit edge inserts, then remove dead code.
2080
2081 2005-01-30  Richard Henderson  <rth@redhat.com>
2082
2083         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2084         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2085
2086 2005-01-30  Richard Henderson  <rth@redhat.com>
2087
2088         PR target/19700
2089         * config/i386/i386.c (ix86_expand_copysign): New.
2090         (ix86_split_copysign_const): New.
2091         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2092         rearrange op1/nmask operands.
2093         * config/i386/i386-protos.h: Update.
2094         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2095         (copysigndf3): Likewise.
2096         (copysignsf3_const, copysigndf3_const): New.
2097         (copysignsf3_var): Rename from copysignsf3, split out splitter
2098         and fix split predicate for X constraint.
2099         (copysigndf3_var): Similarly.
2100
2101 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2102
2103         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2104         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2105         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2106
2107 2005-01-29  Richard Henderson  <rth@redhat.com>
2108
2109         PR target/19690
2110         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2111         of # and * in constraints.
2112
2113 2005-01-29  Richard Henderson  <rth@redhat.com>
2114
2115         PR middle-end/19689
2116         * expr.c (store_field): Don't strip sub-mode cast when the input
2117         data is even smaller.
2118
2119 2005-01-29  Richard Henderson  <rth@redhat.com>
2120
2121         PR middle-end/19687
2122         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2123         union being empty.
2124
2125 2005-01-29  Richard Henderson  <rth@redhat.com>
2126
2127         * combine.c (make_field_assignment): Fix argument order
2128         to gen_int_mode.
2129
2130 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2131
2132         PR tree-optimization/15791
2133         * fold-const.c (extract_array_ref): New function.
2134         (fold): Fold comparisons between &a[i] and &a[j] or
2135         semantically equivalent trees.
2136
2137 2005-01-29  Jeff Law  <law@redhat.com>
2138
2139         * gcse.c (insert_expr_in_table): Revamp handling of available
2140         and anticipatable occurrence lists to avoid unnecessary list
2141         walking.
2142         (insert_set_in_table): Similarly.
2143
2144 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2145
2146         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2147         build string type.
2148         (c_build_qualified_type): Build qualified array types with
2149         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2150         * c-decl.c (c_make_fname_decl): Build unqualified array type
2151         before qualified type.
2152         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2153         type is qualified, not just if type itself is.  Don't apply
2154         qualifiers to array type when declarator is processed.  Apply
2155         qualifiers to field type whether or not it is an array type.
2156         Don't handle array types specially for applying qualifiers to
2157         variables.
2158         * c-typeck.c (composite_type): Build unqualified element type and
2159         array type when forming composite of array types.
2160         (common_pointer_type, comptypes, comp_target_types,
2161         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2162         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2163         types.
2164         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2165         (args2) in variables a1 and a2.
2166
2167 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2168
2169         * cse.c (n_elements_made, max_elements_made): Remove.
2170         (insert): Don't touch n_elements_made.
2171         (cse_main): Don't touch n_elements_made or max_elements_made.
2172
2173 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2174
2175         PR target/15384
2176         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2177         configuration part of dp-bit.c to be lost.
2178
2179 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2180
2181         * expmed.c (expand_mult_highpart_optab): When attempting to use
2182         a non-widening multiplication in a wider mode, the operands need
2183         to be converted (zero or sign extended) to that mode.
2184
2185 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2186
2187         PR middle-end/16558
2188         PR middle-end/19583
2189         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2190         through if both operands fall through.
2191
2192 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2193
2194         * cse.c (fold_rtx) <PC>: Don't optimize.
2195
2196 2005-01-28  Jeff Law  <law@redhat.com>
2197
2198         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2199         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2200
2201 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2202
2203         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2204         cse_reg_info_used_list_end): Remove.
2205         (cse_reg_info_list, cse_reg_info_list_free): New.
2206         (get_cse_reg_info): When allocating an instance of
2207         cse_reg_info, add it to the beginning of the cse_reg_info_list
2208         list.  Remove code to maintain cse_reg_info_used_list.
2209         (new_basic_block): Reset the free list to the beginning of
2210         cse_reg_info_list.
2211
2212 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2213
2214         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2215         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2216         (frv_expand_mdpackh_builtin): New function.
2217         (frv_expand_builtin): Use it to expand __MDPACKH.
2218         * doc/extend.texi (__MDPACKH): Update documentation.
2219
2220 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2221
2222         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2223         SSE_FLOAT_MODE_P for use_sse computation.
2224
2225 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2226
2227         PR target/19663
2228         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2229
2230 2005-01-27  Richard Henderson  <rth@redhat.com>
2231
2232         * builtins.c (expand_builtin_copysign): New.
2233         (expand_builtin): Call it.
2234         * genopinit.c (optabs): Add copysign_optab.
2235         * optabs.c (init_optabs): Initialize it.
2236         (expand_copysign): New.
2237         * optabs.h (OTI_copysign, copysign_optab): New.
2238         (expand_copysign): Declare.
2239
2240         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2241         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2242
2243         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2244         (ix86_expand_fp_absneg_operator): ... here.
2245         (ix86_split_copysign): New.
2246         * config/i386/i386-protos.h: Update.
2247         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2248         (copysignsf3, copysigndf3): New.
2249
2250         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2251         (copysignsf3, ncopysignsf3): New.
2252         (copysigndf3, ncopysigndf3): New.
2253         (copysignxf3, ncopysignxf3): New.
2254         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2255
2256 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2257             Kazu Hirata  <kazu@cs.umass.edu>
2258
2259         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2260         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2261         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2262         NULL_RTX.
2263
2264 2005-01-27  Jeff Law  <law@redhat.com>
2265
2266         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2267         definitions of SSA_NAMEs which are not being rewritten.
2268         (rewrite_ssa_into_ssa): Only initialize the current definition
2269         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2270         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2271         SSA_NAMEs before returning.
2272
2273 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2274
2275         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2276         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2277         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2278         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2279         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2280
2281 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2282
2283         PR middle-end/17278
2284         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2285         higher to -O2 and higher.  Likewise for tree PRE.
2286         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2287         and better.
2288
2289 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2290
2291         PR middle-end/19583
2292         * gimple-low.c (try_catch_may_fallthru): New static function.
2293         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2294         * tree-inline.c (expand_call_inline): Don't warn about reaching
2295         the end of a non-void function being inlined if the function uses
2296         a return slot.
2297
2298 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2299
2300         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2301
2302         PR c/18946
2303         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2304         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2305         (implicitly_declare): Handle error_mark_node.
2306
2307 2005-01-27  Richard Henderson  <rth@redhat.com>
2308
2309         PR tree-opt/14329
2310         * tree.h (struct tree_decl): Add debug_expr_is_from.
2311         (DECL_DEBUG_EXPR_IS_FROM): New.
2312         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2313         * dwarf2out.c (dwarf2out_var_location): Update to match.
2314         * tree-outof-ssa.c (create_temp): Likewise.
2315         * var-tracking.c (track_expr_p): Likewise.
2316         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2317         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2318         * toplev.c (default_tree_printer): Likewise.
2319
2320 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2321
2322         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2323         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2324
2325 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2326
2327         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2328         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2329         ASM_CLOBBERS): Add tree checks.
2330
2331         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2332         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2333         * c-common.def (SWITCH_STMT): Update to match.
2334         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2335         macros instead of SWITCH_EXPR ones.
2336         * c-dump.c (c_dump_tree): Likewise.
2337         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2338         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2339
2340         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2341
2342 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2343
2344         * unwind-dw2.c (execute_stack_op): Add missing cases for
2345         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2346
2347 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2348
2349         * config.gcc (Obsolete configurations): Remove 'dummy', add
2350         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2351         sparc-*-openbsd*.
2352
2353 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2354
2355         PR tree-optimization/19633
2356         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2357         CALL_EXPRs.
2358         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2359         are no call-clobbered variables.
2360         * tree-outof-ssa.c (check_replaceable): Return false for calls
2361         with side-effects.
2362
2363 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2364
2365         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2366         even for variables with NULL DECL_INITIAL.
2367
2368 2005-01-26  Stuart Hastings  <stuart@apple.com>
2369
2370         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2371
2372 2005-01-26  Richard Henderson  <rth@redhat.com>
2373
2374         PR middle-end/18008
2375         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2376         field's type.
2377         * expr.c (store_field): Strip conversions to odd-bit-sized types
2378         if the destination field width matches.
2379
2380 2005-01-26  Richard Henderson  <rth@redhat.com>
2381
2382         * c-decl.c, expmed.c, expr.c: Revert last change.
2383
2384 2005-01-26  Richard Henderson  <rth@redhat.com>
2385
2386         PR middle-end/18008
2387         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2388         field's type.
2389         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2390         if we don't need the bits above those present in the current mode.
2391         * expr.c (store_field): Strip conversions to odd-bit-sized types
2392         if the destination field width matches.
2393
2394 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2395
2396         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2397         either -ffast-math or -funsafe-math-optimizations is in use.
2398
2399 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2400
2401         PR target/19293
2402         PR target/19329
2403         * config/avr/avr.c (notice_update_cc): Only set condition code for
2404         ashrqi3 if shift count > 0.
2405         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2406         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2407         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2408         count <= 0 as a no-op, and shift count >= width by copying zero
2409         or sign bit to all bits of the result.
2410         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2411         count, with attribute "length" set to 0 and "cc" set to "none".
2412
2413 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2414
2415         * doc/invoke.texi: Document -mTLS.
2416
2417         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2418         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2419         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2420         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2421         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2422         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2423         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2424         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2425
2426         * configure.ac: Check for a TLS capable gas.
2427
2428         * configure: Regenerate.
2429
2430 2005-01-26  Richard Henderson  <rth@redhat.com>
2431
2432         PR middle-end/18008
2433         * combine.c (make_field_assignment): Simplify store to zero_extract
2434         from a source with an overlapping mask.
2435
2436 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2437
2438         2004-11-11  Eric Christopher  <echristo@redhat.com>
2439
2440         * config/frv/frv.md: Add fr400_integer automaton. Don't
2441         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2442         to TYPE_MACC.
2443
2444 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2445
2446         PR middle-end/16585
2447         * cfgbuild.c (make_edges): Do not clear or set
2448         current_function_has_computed_jump.
2449         * function.h (struct function): Remove the has_computed_jump field.
2450         (current_function_has_computed_jump): Do not define.
2451         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2452         in a computed jump.  Ignore current_function_has_computed_jump.
2453
2454 2005-01-26  Richard Henderson  <rth@redhat.com>
2455
2456         PR middle-end/19515
2457         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2458         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2459         fully initialized.
2460         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2461         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2462         objects into static storage if they have more than one non-zero value.
2463         * tree.h (categorize_ctor_elements): Update decl.
2464
2465 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2466
2467         PR middle-end/19616
2468         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2469         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2470         to this function from 2004-07-10.
2471         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2472         the current function for tail call optimizations if the address
2473         of one of it its arguments is taken.
2474
2475 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2476
2477         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2478
2479 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2480
2481         * function.c (expand_function_end): If current_function_calls_alloca,
2482         emit stack restore in a place that is reached when the function falls
2483         through at the end.
2484
2485 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2486
2487         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2488         rule to avoid matching inappropriate suffix rule.
2489
2490 2005-01-26  Jan Hubicka  <jh@suse.cz>
2491
2492         PR tree-optimization/19241
2493         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2494
2495 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2496
2497         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2498         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2499         of doubling.
2500         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2501         <sim*>: Always use crt1.o, regardless of N in simN.
2502         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2503         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2504         (CRT_CALL_STATIC_FUNCTION): Remove.
2505         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2506         use crt1.o, regardless of N in simN.
2507         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2508         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2509         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2510         case isystem setting.
2511         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2512
2513 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2514
2515         * gimple-low.c (block_may_fallthru): Correct handling of
2516         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2517
2518 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2519
2520         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2521         handlers to match indentation; nested under the mtune=* handler.
2522         Similar for mcpu= and march=.
2523
2524 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2525
2526         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2527         * config/mips/linux64.h (LIB_SPEC): Likewise.
2528         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2529         * config/sh/linux.h (LIB_SPEC): Likewise.
2530
2531 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2532
2533         * config/frv/frv.c (frv_legitimize_tls_address): New.
2534         (TARGET_HAVE_TLS): Define.
2535         (FRV_SYMBOL_REF_TLS_P): Define.
2536         (frv_override_options): Handle new register classes.
2537         (frv_legitimate_address_p): Reject tls addresses.
2538         (frv_legitimize_address): Handle TLS addresses.
2539         (gen_inlined_tls_plt): New.
2540         (gen_tlsmoff): New.
2541         (frv_legitimize_tls_address): New.
2542         (unspec_got_name): Add TLS entries.
2543         (got12_operand): Add R_FRV_TLSMOFF12 case.
2544         (frv_emit_move): Fixup TLS addresses.
2545         (frv_emit_movsi): Legitimize TLS addresses.
2546
2547         * config/frv/frv.h (MASK_BIG_TLS): New.
2548         (TARGET_BIG_TLS): New.
2549         (HAVE_AS_TLS): Define.
2550         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2551         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2552         (REG_CLASS_NAMES): Same.
2553         (REG_CLASS_CONTENTS): Same.
2554         (CONSTRAINT_LEN): New.
2555         (REG_CLASS_FROM_CONSTRAINT): New.
2556         (PREDICATE_CODES): Add symbolic_operand.
2557
2558         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2559         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2560         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2561         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2562         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2563         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2564         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2565         GR9_REG, GR14_REG, LRREG.
2566         (type): Add load_or_call attribute.
2567         ("load_or_call"): New reservation.
2568         ("call_gettlsoff"): New.
2569         ("tls_indirect_call"): New.
2570         ("tls_load_gottlsoff12"): New.
2571         ("tlsoff_hilo"): New.
2572         ("tls_tlsdesc_ldd"): New.
2573         ("tls_tlsoff_ld"): New.
2574         ("tls_lddi"): New.
2575
2576         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2577
2578         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2579
2580         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2581         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2582         * config/frv/frv.c (TLS_BIAS): Define.
2583         (frv_output_dwarf_dtprel): New.
2584
2585 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2586
2587         PR rtl-optimization/19579
2588         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2589         both A and B, see if they don't clobber registers the other expr uses.
2590
2591 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2592
2593         * real.c (do_add): Initialize signalling and canonical members.
2594
2595         * real.c (real_from_integer): Zero out destination.
2596
2597 2005-01-18  Jan Hubicka  <jh@suse.cz>
2598
2599         PR tree-optimize/19337
2600         * tree-inline.c (initialize_inlined_parameters): Copy
2601         saved_static_chain_decl only.
2602
2603 2005-01-25  Richard Henderson  <rth@redhat.com>
2604
2605         PR target/19556
2606         PR target/19584
2607         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2608         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2609         80387 enabled, to return a proper subclass.  Return the subset that
2610         overlaps with GENERAL_REGS for PLUS.
2611         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2612
2613 2005-01-25  Richard Henderson  <rth@redhat.com>
2614
2615         PR middle-end/19609
2616         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2617
2618 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2619
2620         * expmed.c (choose_multiplier): Change interface to return the
2621         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2622         (expand_divmod): Update calls to choose_multiplier.
2623
2624 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2625
2626         PR middle-end/19330
2627         * expmed.c (extract_bit_field): Use adjust_address instead of
2628         gen_lowpart when op0 is a MEM.
2629
2630 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2631
2632         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2633
2634 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2635
2636         * config/mips/irix-csr.c: New file.
2637         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2638         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2639         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2640         executables.
2641
2642 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2643
2644         PR bootstrap/19364
2645         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2646         sparc/elf.h, add sparc/sp-elf.h.
2647         (sparc-*-rtems*): Likewise.
2648         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2649         tm-dwarf2.h, add sparc/sp-elf.h.
2650         (sparc86x-*-elf): Likewise.
2651         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2652         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2653         TARGET_OS_CPP_BUILTINS.
2654         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2655         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2656         Undefine it.
2657         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2658         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2659         (SWITCH_TAKES_ARG): Likewise.
2660         (LOCAL_LABEL_PREFIX): Likewise.
2661         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2662         (TARGET_N_FORMAT_TYPES): Delete.
2663         (TARGET_FORMAT_TYPES): Likewise.
2664         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2665         * config/sparc/elf.h: Delete.
2666         * config/sparc/sp-elf.h: New file.
2667
2668 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2669
2670         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2671         * tree-flow.h: Remove the corresponding prototype.
2672         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2673         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2674
2675 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2676
2677         PR target/17751
2678         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2679         for AIX ABI or ELF -fPIC.
2680         (rs6000_emit_load_toc_table): Don't create toc_section here.
2681         (rs6000_xcoff_file_start): Nor here.
2682
2683 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2684
2685         * sh.c (ra.h): Don't #include.
2686         (hard_regs_intersect_p): New function, resurrected from ra.c.
2687
2688         * sh.c: Fix 1996 Copyright.
2689
2690 2005-01-24  Richard Henderson  <rth@redhat.com>
2691             Aldy Hernandez  <aldyh@redhat.com>
2692
2693         * regrename.c (note_sets): Handle subregs.
2694
2695 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2696
2697         PR bootstrap/18058
2698         * genconditions.c (write_header, write_conditions): Elide file if
2699         not GCC >= 3.0.1.
2700
2701 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2702
2703         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2704         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2705         Update copyright.
2706
2707 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2708
2709         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2710         expand_builtin_printf, expand_builtin_fprintf,
2711         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2712         checking against POINTER_TYPE.
2713         (validate_arglist): Handle POINTER_TYPE code by checking
2714         POINTER_TYPE_P.
2715
2716 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2717
2718         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2719         init_rtlanal): New.
2720         (for_each_rtx): Call for_each_rtx_1.
2721         * rtl.h (init_rtlanal): Declare.
2722         * toplev.c (backend_init): Call init_rtlanal.
2723
2724 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2725
2726         * flow.c (propagate_one_insn): Formatting.
2727
2728         PR middle-end/19551
2729         * flow.c (libcall_dead_p): Be more conservative if unsure.
2730         If there are any instructions between insn and call, see if they are
2731         all dead before saying the libcall is dead.
2732
2733 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2734
2735         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2736         operand constraint for operand 0.
2737
2738 2005-01-23  Richard Henderson  <rth@redhat.com>
2739
2740         PR 19486
2741         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2742         edges leading to join block.
2743
2744 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2745
2746         * expmed.c (expand_mult_highpart): Make static.  Change type of
2747         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2748         (expand_divmod): Updates calls to expand_mult_highpart by using
2749         gen_int_mode to pass a CONST_INT rtx.
2750         * rtl.h (expand_mult_highpart): Remove prototype.
2751
2752 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2753
2754         * flow.c (regset_bytes, regset_size): Remove.
2755
2756         * cfganal.c: Fix a reference to Harvey's paper.
2757
2758 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2759
2760         PR rtl-optimization/19464
2761         * tree-optimize.c (init_tree_optimization_passes): Add one more
2762         copyrename pass just before out-of-ssa.
2763
2764 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2765
2766         PR bootstrap/18058
2767         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2768         * ggc-none.c (ggc_free): Define.
2769
2770 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2771
2772         * cse.c (max_reg, max_insn_uid): Remove.
2773         (cse_main): Don't access max_reg or max_insn_uid.
2774
2775         * c-common.c (explicit_flag_signed_bitfields,
2776         lang_statement_code_p, lang_expand_function_end): Remove.
2777         * c-common.h: Remove the corresponding declarations.
2778         * c-opts.c (c_common_handle_option): Remove all write access
2779         to explicit_flag_signed_bitfields.
2780
2781         * cgraph.c (cgraph_varpool_n_nodes): Remove.
2782         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2783         * cgraph.h: Remove the corresponding declaration.
2784
2785         * gcse.c (null_pointer_info): Remove.
2786
2787 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2788             Eric Botcazou  <ebotcazou@libertysurf.fr>
2789
2790         * combine.c (simplify_logical): Only simplify logical expressions
2791         of the form ior(and(x,y),z) by the inverse distributive law if the
2792         result is cheaper than the original.
2793
2794 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2795
2796         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2797         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2798         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2799         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2800         config/freebsd-spec.h, config/arm/arm.h,
2801         config/h8300/h8300.md, config/i386/i386.md,
2802         config/i386/predicates.md, config/i386/sse.md,
2803         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2804         config/vax/vax.md: Fix comment typos.  Follow spelling
2805         conventions.
2806
2807 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2808
2809         * gengtype.c (walk_type): Produce `not equal to' compares for loop
2810         tests, instead of `less than'.
2811
2812 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
2813
2814         * function.c (assign_parm_setup_block): When creating a new stack slot
2815         for a parameter, get its alignment from the parameter's DECL_ALIGN
2816         rather than the type's TYPE_ALIGN.  Make sure that the parameter
2817         is at least word aligned.
2818
2819 2005-01-22  Roger Sayle  <roger@eyesopen.com>
2820
2821         PR middle-end/19378
2822         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2823
2824 2005-01-22  Richard Henderson  <rth@redhat.com>
2825
2826         PR target/19506
2827         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2828         in both compare operands.
2829         (movdfcc_1_sse_max): Likewise.
2830         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
2831         (movdfcc_1_sse): Likewise.
2832         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2833         scratch register as needed.
2834
2835 2005-01-22  Richard Henderson  <rth@redhat.com>
2836
2837         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2838
2839         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2840
2841 2005-01-22  Richard Henderson  <rth@redhat.com>
2842
2843         * genopinit.c (optabs): Use smin/smax for floating point too.
2844         * doc/md.texi: Update to match.  Clarify that floating point
2845         results are undefined for +0/-0 and NaN.
2846         * doc/rtl.texi: Likewise.
2847         * rtl.def (SMIN, SMAX): Likewise
2848         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2849
2850         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2851         leading 's' to the name.
2852         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2853         smaxxf3, sminxf3): Likewise.
2854         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2855         Likewise.
2856
2857 2005-01-22  Paul Brook  <paul@codesourcery.com>
2858
2859         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
2860
2861 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
2862
2863         * config/s390/s390.c (struct processor_costs): New fields
2864         dlgr, dlr, dr, dsgfr, dsgr.
2865         (z900_cost, z990_cost): Values for new fields.
2866         (s390_rtx_costs): New cases MEM und COMPARE in switch
2867         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
2868         DIV, MOD, UDIV, UMOD.
2869
2870 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2871
2872         * config/s390/s390.md ("doloop_si64"): Reload input value directly
2873         into the register being decremented.
2874         ("doloop_si31", "doloop_di"): Likewise.
2875         ("*doloop_si_long"): Adapt pattern.
2876
2877 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2878
2879         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
2880         access registers.
2881         (CLASS_MAX_NREGS): Likewise.
2882
2883 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
2884
2885         * doc/tree-ssa.texi (Statement Operands): Add example for new
2886         must-def macro. Note deprecation of old operands interface.
2887
2888 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
2889
2890         PR tree-optimization/19484
2891         * tree-cfg.c (remove_fallthru_edge): New function.
2892         (cleanup_control_flow): Remove fallthru edges from calls that are
2893         now known not to return.
2894
2895 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
2896
2897         Fix PR tree-optimization/19038
2898         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
2899         copies with loop variant ones.
2900
2901 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
2902
2903         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
2904         config/alpha/alpha-protos.h, config/alpha/alpha.h,
2905         config/alpha/alpha.md, config/alpha/predicates.md,
2906         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
2907         config/sparc/sol2.h: Update copyright.
2908
2909         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
2910         first label to see if it is a nonlocal label.
2911
2912 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
2913             Andrew Pinski  <pinskia@physics.uc.edu>
2914
2915         PR target/19491
2916         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
2917         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
2918
2919 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2920
2921         * config/rs6000/rtems.h: Update copyright.
2922
2923 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2924
2925         PR target/19548
2926         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
2927         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
2928         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
2929
2930 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2931
2932         PR c/18809
2933         * c-typeck.c (convert_arguments): Check for error_mark_node.
2934
2935 2005-01-21  Ian Lance Taylor  <ian@airs.com>
2936
2937         PR tree-optimization/13000
2938         * tree-inline.c: Include "tree-flow.h".
2939         (expand_call_inline): If warn_return_type, warn if non-void inline
2940         function falls through.
2941         * tree-cfg.c (execute_warn_function_return): Don't warn about
2942         control reaching end if TREE_NO_WARNING is set.  Set
2943         TREE_NO_WARNING.
2944         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
2945         has been lowered.
2946         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
2947         branch if we don't need one.
2948         * c-typeck.c: Include "tree-flow.h"
2949         (c_finish_bc_stmt): Don't add a goto if the current statement
2950         list doesn't fall through to the current point.
2951
2952 2005-01-21  Roger Sayle  <roger@eyesopen.com>
2953
2954         PR rtl-optimization/576
2955         * real.c (real_arithmetic): Change return type from void to bool
2956         to return an indication that the result may be inexact.
2957         * real.h (real_arithmeric): Update prototype.
2958         * fold-const.c (const_binop):  Don't constant fold floating
2959         point expressions when the user specifies -frounding-math and
2960         the result may depend upon the run-time rounding mode.
2961         (fold_convert_const_real_from_real): Clean-up.
2962         (fold_initializer): Ignore flag_rounding_math for initializers.
2963         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
2964         constant fold FP operations with flag_rounding_math if the
2965         result may depend upon the run-time rounding mode.
2966
2967 2005-01-21  Tom Tromey  <tromey@redhat.com>
2968
2969         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
2970
2971 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
2972
2973         * tree-cfg.c: Fix comment typos.
2974
2975 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
2976
2977         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
2978         around the call to rest_of_handle_branch_target_load_optimize.
2979
2980 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2981
2982         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
2983         (sparc64-*-openbsd*): Likewise.
2984         (sparclite-*-elf*): Include tm-dwarf2.h.
2985         (sparc86x-*-elf*): Likewise.
2986         (sparc64-*-elf*): Likewise.
2987         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
2988         (DBX_DEBUGGING_INFO): Likewise.
2989         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
2990         (PREFERRED_DEBUGGING_TYPE): Likewise.
2991         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2992         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
2993         (PREFERRED_DEBUGGING_TYPE): Likewise.
2994         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
2995         (PREFERRED_DEBUGGING_TYPE): Likewise.
2996         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
2997
2998 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
2999
3000         PR target/18701
3001         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3002
3003 2005-01-20  Paul Brook  <paul@codesourcery.com>
3004
3005         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3006
3007 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3008
3009         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3010         label is first in a sequence of labels.
3011
3012         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3013
3014 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3015             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3016
3017         * doc/sourcebuild.texi (Test Directives): New.
3018
3019 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3020
3021         * real.c (real_floor): Don't leave the result uninitialized when
3022         mode is VOIDMode, but return the unrounded intermediate value.
3023         (real_ceil): Likewise.
3024
3025 2005-01-20  Paul Brook  <paul@codesourcery.com>
3026
3027         * config/arm/arm.md (insv): Use gen_int_mode.
3028
3029 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3030
3031         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3032         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3033         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3034         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3035         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3036
3037 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3038
3039         Fix PR debug/19124
3040         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3041         fbreg, so we have to assume we can't.
3042         (loc_descriptor_from_tree_1): Ditto.
3043         (containing_function_has_frame_base): New function.
3044         (add_location_or_const_value_attribute): Use it.
3045         Also try to generate a frame_base from a single element location
3046         list.
3047
3048 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3049
3050         PR tree-optimization/15349
3051         * timevar.def (TV_TREE_MERGE_PHI): New.
3052         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3053         PHI_WANTED.
3054         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3055         calls to tree_forwarder_block_p.
3056         (remove_forwarder_block_with_phi, merge_phi_nodes,
3057         gate_merge_phi, pass_merge_phi): New.
3058         * tree-optimize.c (init_tree_optimization_passes): Add
3059         pass_merge_phi.
3060         * tree-pass.h: Add an extern for pass_merge_phi;
3061
3062 2005-01-20  Richard Henderson  <rth@redhat.com>
3063
3064         PR target/19418
3065         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3066         (_mm_castps_pd, _mm_castps_si128): New.
3067         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3068
3069 2005-01-20  Richard Henderson  <rth@redhat.com>
3070
3071         PR target/19530
3072         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3073         __builtin_ia32_vec_init_v2si.
3074         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3075         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3076         (ix86_init_mmx_sse_builtins): Create it.
3077         (ix86_expand_builtin): Expand it.
3078         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3079         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3080         (vec_extractv2si_0, vec_extractv2si_1): New.
3081
3082 2005-01-20  Richard Henderson  <rth@redhat.com>
3083
3084         PR target/16533
3085         * config/i386/i386.c (ix86_expand_push): New.
3086         * config/i386/mmx.md (push<MMXMODE>1): New.
3087         * config/i386/sse.md (push<SSEMODE>1): New.
3088         * config/i386/i386-protos.h: Update.
3089
3090 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3091
3092         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3093         copyright.
3094
3095 2005-01-20  Richard Henderson  <rth@redhat.com>
3096
3097         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3098         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3099
3100 2005-01-19  Richard Henderson  <rth@redhat.com>
3101
3102         PR target/19350
3103         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3104         to V4SFmode in SSE1 fallback load path.
3105
3106 2005-01-19  Richard Henderson  <rth@redhat.com>
3107
3108         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3109         in QImode expansion to ix86_expand_vector_set.
3110         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3111
3112 2005-01-19  Richard Henderson  <rth@redhat.com>
3113
3114         PR target/19511
3115         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3116         subclass of the input class.
3117         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3118         Always true for cross-SSE1 classes.  Rationalize conditionals.
3119         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3120         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3121         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3122         (movdi_2): Add MMX/SSE zeros.
3123         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3124         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3125         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3126         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3127         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3128         (zero_extendsidi2_rex64_1): Remove.
3129         (MOV0 peephole): Check GENERAL_REG_P.
3130
3131 2005-01-19  Richard Henderson  <rth@redhat.com>
3132
3133         PR target/19427
3134         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3135         shufps elements.
3136         (ix86_expand_vector_extract): Likewise.
3137
3138 2005-01-19  Richard Henderson  <rth@redhat.com>
3139
3140         PR middle-end/19304
3141         * expr.c (emit_move_change_mode): New argument force; use
3142         simplify_gen_subreg if true.
3143         (emit_move_via_alt_mode): Merge into ...
3144         (emit_move_via_integer): ... here.
3145         (emit_move_ccmode): Use emit_move_change_mode directly.
3146
3147 2005-01-19  Richard Henderson  <rth@redhat.com>
3148
3149         PR target/19518
3150         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3151         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3152         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3153         rtl if true.
3154         (alpha_emit_set_const): Likewise.  Make static.
3155         (alpha_emit_set_long_const): Make static.
3156         (alpha_extract_integer): Split out from alpha_expand_mov.
3157         (alpha_split_const_mov): Likewise.
3158         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3159         (alpha_legitimate_constant_p): New.
3160         * config/alpha/alpha-protos.h: Update.
3161         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3162         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3163         * config/alpha/alpha.md (movsi): Add n alternative.
3164         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3165         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3166         (splitters for all of the above): Use alpha_split_const_mov.
3167         * config/alpha/predicates.md (non_add_const_operand): New.
3168         (non_zero_const_operand): New.
3169         (input_operand): Use alpha_legitimate_constant_p after reload.
3170
3171 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3172
3173         PR tree-optimization/19038
3174         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3175         (add_candidate): Add ivs with increment in latch only if
3176         allow_ip_end_pos_p is true.
3177         (determine_iv_cost): Use empty_block_p.
3178
3179 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3180
3181         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3182         (compute_dominance_frontiers): Ditto.
3183
3184 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3185
3186         PR target/19529
3187         * config/sh/t-rtems: New.
3188         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3189
3190 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3191
3192         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3193         the offset of the selected field.
3194
3195 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3196
3197         * tree-cfg.c (remove_forwarder_block): Fix the check to
3198         prevent a nonlocal label from appearing in the middle of a
3199         basic block.
3200
3201 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3202
3203         PR rtl-optimization/19462
3204         * reorg.c (find_end_label): Create return insn only if
3205         current_function_epilogue_delay_list is empty.
3206
3207 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3208
3209         * doc/passes.texi: Remove paragraph mentioning new-ra.
3210
3211 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3212
3213         PR rtl-optimization/15139
3214         * combine.c: Include params.h.
3215         (count_rtxs): New function.
3216         (record_value_for_reg): If replace_rtx would replace at least
3217         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3218         (clobber (const_int 0)) instead of TEM.
3219         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3220         * params.h (MAX_LAST_VALUE_RTL): New.
3221         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3222         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3223
3224         PR c/17297
3225         * c-typeck.c (digest_init): Only call build_vector if all constructor
3226         elements are *_CST nodes.
3227         * gimplify.c (gimplify_init_constructor): Likewise.
3228
3229         PR middle-end/19164
3230         * c-typeck.c (digest_init): Only call build_vector if inside_init
3231         is a CONSTRUCTOR.
3232
3233 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3234
3235         * toplev.c (init_asm_output): Remove dead #ifdef.
3236
3237 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3238
3239         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3240
3241 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3242
3243         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3244         accessing DECL_FUNCTION_CODE.
3245         * dojump.c (do_jump): Likewise.
3246         * gimplify.c (gimplify_call_expr): Likewise.
3247         * predict.c (expr_expected_value): Likewise.
3248         (strip_builtin_expect): Likewise.
3249         * tree-inline.c (estimate_num_insns_1): Likewise.
3250         * tree-ssa-loop-im.c (stmt_cost): Likewise
3251         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3252         (tree_expr_nonnegative_p): Likewise.
3253
3254 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3255
3256         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3257         variant of the load_pcrel_sym pattern.
3258         * config/sparc/sparc.md (P macro): Move to the top.
3259         (load_pcrel_sym): Macroize using P.
3260         (save_register_window): Likewise.
3261
3262 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3263
3264         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3265         ("sordered"): Same.
3266
3267 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3268
3269         PR C/19472
3270         * c-typeck.c (build_asm_expr): Strip nops off
3271         input memory operands.
3272
3273 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3274
3275         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3276         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3277         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3278         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3279
3280 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3281
3282         PR target/19379
3283         * config/i386/i386.c (override_options): If the 80387 is disabled,
3284         then do not return FP values using FP registers.
3285
3286 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3287
3288         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3289         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3290         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3291         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3292         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3293         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3294         output.h, postreload-gcse.c, postreload.c, recog.c,
3295         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3296         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3297         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3298         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3299         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3300         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3301         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3302         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3303
3304         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3305         config/alpha/alpha.c, config/arm/vfp.md,
3306         config/i386/emmintrin.h, config/i386/i386-modes.def,
3307         config/i386/i386-protos.h, config/i386/i386.h,
3308         config/i386/pmmintrin.h, config/i386/ppro.md,
3309         config/i386/predicates.md, config/i386/xmmintrin.h,
3310         config/i860/i860.c, config/ia64/ia64-modes.def,
3311         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3312         config/ia64/ia64.md, config/ia64/itanium1.md,
3313         config/ia64/itanium2.md, config/ia64/predicates.md,
3314         config/iq2000/iq2000.h, config/mips/linux64.h,
3315         config/rs6000/aix41.h, config/rs6000/aix43.h,
3316         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3317         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3318         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3319         config/sparc/linux64.h, config/sparc/litecoff.h,
3320         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3321         config/sparc/sparc.h, config/sparc/sparc.md,
3322         config/sparc/sysv4-only.h: Update copyright.
3323
3324 2005-01-18  Richard Henderson  <rth@redhat.com>
3325
3326         PR target/19496
3327         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3328
3329 2005-01-18  Marc Espie  <espie@openbsd.org>
3330         * config/i386/openbsdelf.h: Typo.
3331
3332 2005-01-18  Richard Henderson  <rth@redhat.com>
3333
3334         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3335         special case for sse.
3336         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3337
3338 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3339
3340         * tree-inline.c (estimate_num_insns_1): Added cases for
3341         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3342
3343 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3344
3345         PR rtl-optimization/19296
3346         * combine.c (simplify_comparison): Rewrite the condition under
3347         which a non-paradoxical SUBREG of a PLUS can be lifted when
3348         compared against a constant.
3349
3350 2005-01-18  Andi Kleen <ak@muc.de>
3351
3352         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3353         * c.opt (-Wpointer-sign): Add.
3354         * doc/invoke.texi: (-Wpointer-sign): Add.
3355
3356 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3357
3358         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3359         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3360         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3361         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3362         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3363         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3364         for TARGET_MIX_SSE_I387.
3365         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3366         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3367         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3368         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3369         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3370         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3371         TARGET_MIX_SSE_I387.
3372         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3373         from expander.
3374
3375 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3376
3377         PR target/19424
3378         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3379         Add movaps alternative for xmm reg->reg move.
3380
3381 2005-01-17  Jeff Law  <law@redhat.com>
3382
3383         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3384         at the end of the main DOM loop rather than just before DOM exits.
3385
3386 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3387
3388         PR tree-optimization/19121
3389         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3390         adding aliases to a name tag, also add them to the pointer's
3391         type tag.
3392         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3393         sensitive alias info at all.  Only check that the two pointers
3394         have compatible pointed-to sets.
3395         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3396         a pointer's type tag is a superset of the alias set of the
3397         pointer's name tag.
3398
3399 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3400
3401         PR target/19357
3402         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3403         comment to document why.
3404
3405 2005-01-17  Richard Henderson  <rth@redhat.com>
3406
3407         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3408         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3409         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3410         sse2_vmsminv2df3_finite): New.
3411         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3412         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3413         Force op1 into register.
3414
3415 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3416
3417         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3418         bubblestrap from always rebuilding build directory.
3419
3420 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3421
3422         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3423         ("*cmpmem_short"): Likewise.
3424
3425 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3426
3427         * basic-block.h: Document BB_* flags.
3428         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3429         use an sbitmap instead.
3430         * sched-rgn.c (compute_trg_info): Likewise.
3431
3432 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3433
3434         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3435         redundant target_cpu_default and extra_parts lines.  Use the default
3436         "from-abi" ISA.
3437         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3438         (SUBTARGET_EXTRA_SPECS): Delete.
3439         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3440         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3441         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3442         and "n32" for -mabi=n32.
3443
3444 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3445
3446         PR c/5675
3447         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3448         fold constant variables into initial values.
3449
3450 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3451
3452         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3453
3454         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3455         through the statements backward.
3456
3457 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3458
3459         PR middle-end/13127:
3460         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3461         a variable set to the return value of the inlined function.
3462
3463 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3464
3465         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3466         when modes are tieable.
3467
3468 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3469
3470         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3471         of pthread_create to find out if threads are enabled.
3472         * gthr-posix95.h (__gthread_active_p): Likewise.
3473
3474 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3475
3476         * common.opt (-fnew-ra): Remove.
3477         * ra*.*: Remove.
3478         * toplev.h (flag_new_regalloc): Remove.
3479         * Makefile.in (ra*.*): Don't mention.
3480         * passes.c (rest_of_handle_new_regalloc): Remove.
3481         (rest_of_handle_combine, rest_of_compilation): Always consider
3482         flag_new_regalloc as false.
3483         * doc/invoke.texi: Don't document -fnew-ra.
3484
3485 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3486
3487         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3488         last parameter to reg_scan.
3489         * loop.c (loop_optimize): Likewise.
3490         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3491         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3492         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3493         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3494         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3495         * regclass.c (reg_scan): Likewise, for the declaration.
3496         * rtl.h (reg_scan): Likewise, for the prototype.
3497
3498 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3499
3500         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3501         mark_dfs_back_edges.
3502
3503 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3504
3505         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3506         (compute_avail): Uses don't go in tmp_gen.
3507
3508 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3509
3510         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3511         loop to look for a free slot in a page entry.
3512
3513 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3514
3515         PR target/16304
3516         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3517         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3518         just before targetm.asm_out.file_end.
3519         * tree.h (process_pending_assemble_output_defs): Declare.
3520         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3521         New functions.
3522         (assemble_alias): Defer generation of assembly code for defines when
3523         TARGET_DEFERRED_OUTPUT_DEFS is true.
3524         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3525         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3526         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3527
3528 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3529
3530         PR target/19336
3531         * pa.c (pa_scalar_mode_supported_p): New function.
3532         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3533         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3534
3535         * pa-protos.h (prefetch_operand): Delete.
3536         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3537         * pa.c (prefetch_operand): Delete.
3538         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3539         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3540         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
3541         and prefetch_nocc_operand.
3542         * pa.md (prefetch): Rework to avoid reload problems handling short
3543         displacements when a cache control completer needs to be provided.
3544         (prefetch_32, prefetch_64): Delete.
3545         (prefetch_cc, prefetch_nocc): New patterns.
3546
3547 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
3548
3549         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3550
3551 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3552
3553         PR ada/19388
3554         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3555         exceeds maximum alignment for global common data.
3556         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3557         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3558
3559 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3560
3561         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3562
3563 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3564
3565         * harg-reg-set.h (reg_class_names): Prototype global array.
3566         * regclass.c (reg_class_names): Declare here and initialize to
3567         REG_CLASS_NAMES.
3568         (dump_regclass): Remove local declaration of reg_class_names.
3569         (regclass): Likewise.
3570         * cfg.c (dump_flow_info): Likewise.
3571         * ra-debug.c (reg_class_names): Likewise.
3572         * regrename.c (reg_class_names): Likewise.
3573         * reload.c (reg_class_names): Likewise.
3574         * reload1.c (spill_failure): Likewise.
3575         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3576
3577 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
3578
3579         * config/s390/s390.md ("reload_outti"): Remove predicate for
3580         output operand.  Abort if operand is not a MEM.
3581         ("reload_outdi", "reload_outdf"): Likewise.
3582
3583 2005-01-15  Marc Espie  <espie@openbsd.org>
3584
3585         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3586         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3587         * config/openbsd.h:  Fix C++ includes for native configurations.
3588         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
3589         Add trampoline support.
3590         * config/i386/openbsdelf.h: New.
3591
3592 2005-01-15  Marc Espie  <espie@openbsd.org>
3593
3594         * collect2.c (main): Explicitly parse -dynamic-linker option.
3595
3596 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
3597
3598         PR tree-optimization/19060
3599         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3600         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3601         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3602         and handle extract_range_from_cond returning false.
3603         * fold-const.c (fold): Optimize comparisons with min/max even for
3604         width > HOST_BITS_PER_WIDE_INT.
3605
3606 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
3607
3608         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3609         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
3610         Remove little endian multilib variants.
3611         Add mips32 multilib variant.
3612
3613 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
3614
3615         * explow.c (copy_all_reg, stabilize): Remove.
3616         * expr.h: Remove the corresponding prototypes.
3617
3618         * rtlanal.c (regs_set_between_p): Remove.
3619         * rtl.h: Remove the corresponding prototype.
3620
3621 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
3622
3623         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3624         to rs6000_nonimmediate_operand.
3625         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3626         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3627         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3628         rs6000_nonimmediate_operand.
3629         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3630         rs6000_nonimmediate_operand.
3631
3632 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
3633
3634         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3635
3636 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3637
3638         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3639         on e500v2.
3640         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3641         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3642
3643         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3644         (rs6k_nonimmediate_operand): New.
3645         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3646         correctly.
3647         (legitimate_lo_sum_address_p): Same.
3648         (rs6000_legitimize_address): Same.
3649         (rs6000_legitimize_reload_address): Same.
3650         (rs6000_legitimate_address): Same.
3651         (spe_build_register_parallel): Pass DF and DC modes in a DI
3652         register.
3653
3654         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3655         to rs6k_nonimmediate_operand.
3656
3657         * config/rs6000/spe.md ("*frob_df_di"): New.
3658         ("*frob_di_df"): New.
3659         ("*frob_di_df_2"): New.
3660         ("*mov_sidf_e500_subreg0"): New.
3661         ("*mov_sidf_e500_subreg4"): New.
3662         ("*movdf_e500_double"): Change predicate to
3663         rs6k_nonimmediate_operand.
3664
3665 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3666
3667         * postreload.c (move2add_note_store): Only call
3668         trunc_int_for_mode on scalar integers.
3669
3670 2005-01-14  Steven Bosscher  <stevenb@suse.de>
3671
3672         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3673         replace BB_VISITED uses.
3674         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3675         (propagate_necessity): Check the bitmap instead of BB_VISITED.
3676         (tree_dce_done): Free visited_control_parents.
3677         (perform_tree_ssa_dce): Allocate and clear it.
3678         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3679         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
3680         instead of BB_VISITED.
3681
3682 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
3683
3684         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3685         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3686         Remove unused prototypes.
3687
3688 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3689
3690         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3691         64-bit register usage.
3692         (spe_func_has_64bit_regs_p): Add FIXME note.
3693
3694 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3695
3696         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
3697         flag_finite_math_only with flag_unsafe_math_optimizations.
3698
3699 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
3700
3701         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
3702         end-of-stack check.
3703         (__tpf_eh_return): Copy TPF private stack area from the module
3704         boundary stack frame.  Add check for when module addresses are
3705         equal, but no stub address is found.
3706
3707 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
3708
3709         PR target/7525
3710         * arm.h (struct machine_function): Add call_via field.
3711         (thumb_call_via_label): Declare.
3712         * arm.c (thumb_call_via_label): New variable.
3713         (thumb_call_reg_needed): New variable.
3714         (arm_output_function_epilogue): For Thumb code, output any per-function
3715         call-indirect trampolines.
3716         (thumb_call_via_reg): New function.
3717         (arm_file_end): New function.
3718         (TARGET_ASM_FILE_END): Call arm_file_end.
3719         (aof_file_end): Likewise.
3720         * arm-protos.h (thumb_call_via_reg): Declare.
3721         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
3722         thumb_call_via_reg in normal case.
3723
3724 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
3725
3726         PR middle-end/19084
3727         PR rtl-optimization/19348
3728         * recog.c (peephole2_optimize): Do global life update if some peephole
3729         decides it doesn't need at least one of its inputs and that change
3730         influences liveness at the start of the basic block.
3731
3732         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
3733         arguments instead of 1.
3734
3735 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
3736
3737         PR middle-end/18820
3738         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
3739         zero for nested functions needing a static chain or functions
3740         with a non-constant address.
3741
3742 2005-01-13  Roger Sayle  <roger@eyesopen.com>
3743
3744         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
3745         (and (sign_extend X) C) into (zero_extend (and X C)).
3746
3747 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
3748
3749         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
3750
3751 2005-01-13  Richard Henderson  <rth@redhat.com>
3752
3753         PR target/19009
3754         PR target/19250
3755         PR target/19252
3756         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
3757         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
3758         not just TARGET_SSE.
3759         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
3760         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
3761         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
3762         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
3763         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
3764         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
3765         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
3766         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
3767         (movdicc_c_rex64): Rename with '*'.
3768         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
3769         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
3770         (movsfcc_1_387): Rename from movsfcc_1.
3771         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
3772         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
3773         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
3774         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
3775         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
3776         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
3777         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
3778         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
3779         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
3780         sse_movdfcc_const0_4): Remove.
3781         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
3782         recognize min/max early.  Update for changed sse cmove patterns.
3783         (ix86_split_sse_movcc): New.
3784         * config/i386/i386-protos.h: Update.
3785
3786 2005-01-13  Steven Bosscher  <stevenb@suse.de>
3787
3788         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
3789         (fix_stmt_v_may_defs): Likewise.
3790
3791 2005-01-13  Richard Henderson  <rth@redhat.com>
3792
3793         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
3794         for converting the mask.
3795
3796 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
3797
3798         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
3799         definition to 600.
3800
3801 2005-01-13  Richard Henderson  <rth@redhat.com>
3802
3803         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
3804         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
3805         IX86_BUILTIN_MOVDQ2Q): Remove.
3806         (IX86_BUILTIN_VEC_EXT_V4SI): New.
3807         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
3808         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
3809         shuffling.
3810         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
3811         (sse2_pextrw): Fix immediate constraint.
3812         (sse2_loadq, sse2_loadq_rex64): Remove.
3813         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
3814         Use __builtin_ia32_vec_ext_<size>.
3815         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
3816
3817 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
3818
3819         * function.c (assign_parm_setup_block): Look inside original
3820         entry_parm when inspecting PARALLEL.
3821
3822 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
3823             Joel Sherrill  <joel@oarcorp.com>
3824
3825         PR target/19399
3826         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
3827         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
3828         rtems_gxx_recursive_mutex_init.
3829         (__gthread_recursive_mutex_lock): New function.
3830         (__gthread_recursive_mutex_trylock): Likewise.
3831         (__gthread_recursive_mutex_unlock): Likewise.
3832
3833 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
3834
3835         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
3836
3837 2005-01-13  Jan Beulich  <jbeulich@novell.com>
3838
3839         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
3840         (ashrti3_internal): Indicate output is early clobber. Generate result
3841         into output rather than first input. Use move for low word of output
3842         if shift count is exactly 64.
3843         (lshrti3_internal): Likewise.
3844
3845 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
3846
3847         PR target/18329
3848         PR target/18330
3849         * reload1.c (delete_output_reload): Don't delete an output reload
3850         if the pseudo lives longer than a single basic block.  Adjust and
3851         improve wording of comment.
3852
3853 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
3854
3855         PR target/19334
3856         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
3857         of TYPE_SIZE where we mean the number of bytes.
3858
3859 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
3860
3861         * function.c (assign_parm_setup_block): Relax condition on
3862         multi-register optimization.
3863
3864 2005-01-12  Nick Clifton  <nickc@redhat.com>
3865
3866         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
3867         an "in_delay_slot" attribute of "no" to prevent them being used in
3868         delay slots.  This is forbidden because they might generate
3869         exceptions.
3870
3871 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
3872
3873         PR target/19389
3874         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
3875         with r->Y and Y->r.
3876
3877 2005-01-12  Nick Clifton  <nickc@redhat.com>
3878
3879         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
3880         passed on to GAS) but do not define, as GAS no longer supports or
3881         needs the -m2000 option.
3882
3883 2005-01-11  Roger Sayle  <roger@eyesopen.com>
3884
3885         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
3886         type as args of unprototyped builtins aren't automatically promoted.
3887         (fold_builtin_abs): Likewise.
3888
3889 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3890
3891         * Makefile.in: Set a `build-warn' variable.
3892
3893 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
3894
3895         PR tree-optimization/17949
3896         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
3897         (find_interesting_uses_address): Use it.
3898
3899 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
3900
3901         * regrename.c (kill_value): Handle subreg's that won't simplify.
3902
3903 2005-01-11  Richard Henderson  <rth@redhat.com>
3904
3905         PR target/13366
3906         * config/i386/i386.h (enum ix86_builtins): Move ...
3907         * config/i386/i386.c: ... here.
3908         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
3909         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
3910         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
3911         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
3912         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
3913         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
3914         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
3915         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
3916         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
3917         IX86_BUILTIN_LOADDDUP): Remove.
3918         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
3919         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
3920         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
3921         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
3922         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
3923         (ix86_init_builtins): Make static.
3924         (ix86_init_mmx_sse_builtins): Update for changed builtins.
3925         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
3926         if all the modes match.  Otherwise, fake it.
3927         (get_element_number, ix86_expand_vec_init_builtin,
3928         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
3929         (ix86_expand_builtin): Make static.  Update for changed builtins.
3930         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
3931         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
3932         (ix86_expand_vector_init_duplicate): New.
3933         (ix86_expand_vector_init_low_nonzero): New.
3934         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
3935         Split out from ix86_expand_vector_init; handle integer modes.
3936         (ix86_expand_vector_init): Use them.
3937         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
3938         * config/i386/i386-protos.h: Update.
3939         * config/i386/predicates.md (reg_or_0_operand): New.
3940         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
3941         (movv2sf_internal): Likewise.  And a splitter to match them all.
3942         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
3943         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
3944         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
3945         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
3946         (mmx_pinsrw): Fix operand ordering.
3947         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
3948         rather than sse_loadss expander.
3949         (movv2df splitter): Similarly.
3950         (sse_loadss, sse_loadlss): Remove.
3951         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
3952         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
3953         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
3954         (sse3_movddup): Rename with '*'.
3955         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
3956         (sse2_loadsd): Remove.
3957         (vec_dupv2df_sse3): Rename from sse3_loadddup.
3958         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
3959         (sse2_pinsrw): Fix argument ordering.
3960         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
3961         (sse2_stored): Remove 'r' destination.
3962         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
3963         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
3964         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
3965         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
3966         vec_extractv16qi, vec_initv16qi): New.
3967
3968         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
3969         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
3970         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
3971         constructor form.
3972         (_mm_load_pd, _mm_store_pd): Use plain dereference.
3973         (_mm_load_si128, _mm_store_si128): Likewise.
3974         (_mm_load1_pd): Use _mm_set1_pd.
3975         (_mm_load_sd): Use _mm_set_sd.
3976         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
3977         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
3978         (_mm_set_epi64): Use _mm_set_epi64x.
3979         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
3980         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
3981         _mm_setr_epi8): Use _mm_set_foo form.
3982         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
3983         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
3984         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
3985         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
3986         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
3987         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
3988         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
3989         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
3990         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
3991         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
3992         (_mm_movedup_pd): Use _mm_shuffle_pd.
3993         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
3994         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
3995         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
3996         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
3997         Use _mm_setzero_ps.
3998         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
3999         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4000         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4001         (_mm_store_ps): Use raw dereference.
4002         (_mm_store1_ps): Use _mm_storeu_ps.
4003         (_mm_storer_ps): Use _mm_store_ps.
4004         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4005         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4006
4007 2005-01-11  Stan Shebs  <shebs@apple.com>
4008
4009         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4010         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4011
4012 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4013
4014         PR target/18761
4015         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4016         Skip all DECLs except for FIELD_DECLs.
4017
4018 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4019
4020         * config/s390/s390.c (override_options): Return error if
4021         -mbackchain, -mpacked-stack and -mhard-float are used together.
4022         (s390_va_start): Remove the backchain && packed-stack special case.
4023         (s390_gimplify_va_arg): Likewise.
4024         * doc/invoke.texi: Remove the ABI incompatibility note.
4025
4026 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4027
4028         * config/s390/s390.c (struct s390_frame_layout): Remove
4029         save_backchain_p.
4030         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4031         save_backchain_p with TARGET_BACKCHAIN.
4032
4033 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4034
4035         PR target/18916
4036         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4037         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4038         * function.c (locate_and_pad_parm): Set new field.
4039         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4040         Tweak where_pad test to include "none".  Always set mem align for
4041         stack_parm.
4042         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4043         not sufficient for type.
4044         (assign_parm_setup_block): If stack_parm is zero on entry, always
4045         make a new stack local.  Block move old stack parm if necessary
4046         to new aligned stack local.
4047         (assign_parm_setup_stack): Use a block move to handle
4048         potentially misaligned entry_parm.
4049         (assign_parms_unsplit_complex): Specify required alignment when
4050         creating stack local.
4051         * calls.c (compute_argument_addresses): Override alignment of stack
4052         arg calculated from its type with the alignment given by
4053         FUNCTION_ARG_BOUNDARY.
4054         (store_one_arg): Likewise.
4055
4056 2005-01-11  Jan Beulich  <jbeulich@novell.com>
4057
4058         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4059         Change respective itanium_class attribute to ialu.
4060         (shladdp4_internal): New.
4061         * config/ia64/predicates.md (shladd_log2_operand): New.
4062
4063 2005-01-11  Richard Henderson  <rth@redhat.com>
4064
4065         * expr.c (store_constructor): Use rtvec_alloc instead of
4066         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4067
4068 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
4069
4070         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4071
4072 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4073
4074         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4075         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4076         (TARGET_RWRELOC): Define.
4077         (ia64_rwreloc_section_type_flags): Delete.
4078         (ia64_section_type_flags): New function.
4079         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4080         (TARGET_RWRELOC): Define.
4081
4082 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
4083
4084         PR target/18987
4085         * config/ia64/ia64.c (process_set): For alloc insn, only call
4086         process_epilogue is !frame_pointer_needed.
4087
4088 2005-01-10  Roger Sayle  <roger@eyesopen.com>
4089
4090         PR c++/19355
4091         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4092         unary operator and can't be treated as a binary/comparison operator.
4093
4094 2005-01-10  Richard Henderson  <rth@redhat.com>
4095
4096         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4097         (ix86_return_in_memory): Likewise.
4098         (function_arg_advance):  Likewise.  Mirror structure in function_arg
4099         for choosing register to advance.
4100
4101 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
4102
4103         * tree-vectorizer.c, tree.def: Fix comment typos.
4104
4105 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
4106
4107         * config/s390/s390.c (struct processor_costs): 4 new fields:
4108         ddbr, ddr, debr, der.
4109         (s390_rtx_costs): More precise handling of divide instructions.
4110
4111 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
4112
4113         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4114
4115 2005-01-10  Jan Beulich  <jbeulich@novell.com>
4116
4117         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4118         names resulting from -ffunction-sections/-fdata-sections and linkonce
4119         ones.
4120         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4121         based on the section name. Rearrange the section name comparison logic
4122         slightly so that each section name is compared against at most once.
4123
4124 2005-01-10  Ben Elliston  <bje@au.ibm.com>
4125
4126         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4127         targets for which -fPIC reduces limitations on the GOT size.
4128
4129 2005-01-09  Falk Hueffner  <falk@debian.org>
4130
4131         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4132         X/C1 cmpop C2.
4133
4134 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
4135
4136         PR target/18720
4137         * collect2.c (main): Set aixrtl_flag for -brtl option.
4138         (resolve_lib_name): Search for .so file extension before .a
4139         if aixrtl_flag set.
4140
4141 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
4142
4143         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4144         (vect_analyze_data_refs_alignment): Add dump prints.
4145
4146 2005-01-09  Ira Rosen  <irar@il.ibm.com>
4147
4148         * tree-vectorizer.c (vect_analyze_offset_expr): Use
4149         expr_invariant_in_loop_p.
4150         Initialize outputs first thing in the function.
4151         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4152         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4153         (vect_analyze_pointer_ref_access): Check that the initial condition of
4154         the access function is loop invariant.
4155
4156 2005-01-09  Richard Henderson  <rth@redhat.com>
4157
4158         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4159         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
4160         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
4161         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4162         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4163         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4164         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4165         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4166         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4167         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4168         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4169         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4170         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4171         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4172         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4173         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4174         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4175         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4176         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4177         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4178         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4179         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4180         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4181         mmx_ prefix.
4182         (mmx_clrdi, pavgusb): Remove.
4183         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4184         with leading sse_ prefix.
4185         * config/i386/sse.md: Receive them.
4186         * config/i386/mmx.md: New file.
4187         (MMXMODE12, MMXMODE24, mmxvecsize): New.
4188         (subrv2sf3): Turn into expander for normal subtraction.
4189         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4190         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4191         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4192         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4193         commutative; use ix86_binary_operator_ok.
4194         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4195         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4196         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4197         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4198         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4199         Macroize from existing patterns; use ix86_binary_operator_ok.
4200         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4201         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4202         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
4203         with vec_select+vec_concat.
4204         (mmx_pshufw, mmx_pshufw_1): Likewise.
4205         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
4206         (mmx_uavgv4hi3): Model correctly.
4207         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4208         _mm_xor_si64): Remove casts.
4209
4210 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
4211
4212         PR tree-optimization/19224
4213         * tree-scalar-evolution.c (get_instantiated_value,
4214         set_instantiated_value): New functions.
4215         (instantiate_parameters_1): Cache the results.
4216         (instantiate_parameters, resolve_mixers): Initialize and free
4217         the cache.
4218
4219 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
4220
4221         * config/i386/i386.md (addhi_4): Correct reference in comment.
4222         (addqi_4): Same.
4223
4224 2005-01-08  Richard Henderson  <rth@redhat.com>
4225
4226         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4227         (_mm_cvtsi128_si64x): Likewise.
4228         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4229         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4230         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4231         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4232         * config/i386/i386-protos.h: Update.
4233         * config/i386/i386.c (print_operand): Add 'H'.
4234         (ix86_fixup_binary_operands): Split out from ...
4235         (ix86_expand_binary_operator): ... here.
4236         (ix86_fixup_binary_operands_no_copy): New.
4237         (ix86_expand_fp_absneg_operator): Handle vector mode results.
4238         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4239         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4240         (safe_vector_operand): Use CONST0_RTX.
4241         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4242         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4243         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
4244         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
4245         special cases.
4246         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4247         (IX86_BUILTIN_CMPNGESS): New.
4248         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4249         (attr type): Add sselog1.
4250         (attr unit, attr memory): Handle it.
4251         (movti, movti_internal, movti_rex64): Move near other integer moves.
4252         (movtf, movtf_internal): Move near other fp moves.
4253         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
4254         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
4255         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
4256         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
4257         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
4258         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
4259         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
4260         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
4261         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
4262         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
4263         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
4264         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
4265         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4266         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4267         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
4268         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
4269         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
4270         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
4271         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
4272         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
4273         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
4274         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
4275         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
4276         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
4277         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
4278         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
4279         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4280         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
4281         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
4282         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
4283         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
4284         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
4285         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
4286         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
4287         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
4288         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
4289         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
4290         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
4291         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
4292         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
4293         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
4294         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
4295         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
4296         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
4297         same time.
4298         (SSEPUSH, push<SSEPUSH>): Remove.
4299         (MMXPUSH, push<MMXPUSH>): Remove.
4300         (sse_movaps, sse_movaps_1, sse_movups): Remove.
4301         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
4302         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
4303         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
4304         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
4305         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
4306         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
4307         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
4308         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
4309         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
4310         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
4311         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
4312         (ppro_sse_log_V4SF): Handle sselog1.
4313         * config/i386/predicates.md (const_0_to_1_operand): New.
4314         (const_0_to_255_mul_8_operand): New.
4315         (const_1_to_31_operand): Rename from const_int_1_31_operand.
4316         (const_2_to_3_operand, const_4_to_7_operand): New.
4317         * config/i386/sse.md: New file.
4318         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
4319         (sse_movups): Rename from sse_movups_1.
4320         (sse_loadlss): Rename from sse_loadss_1.
4321         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
4322         from the name.
4323         (negv4sf2): Use ix86_expand_fp_absneg_operator.
4324         (absv4sf2, negv2df, absv2df): New.
4325         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
4326         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
4327         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
4328         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
4329         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
4330         (sse3_addsubv4sf3): Model correctly.
4331         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
4332         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
4333         (sse_movhlps): Model with vec_select+vec_concat.
4334         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
4335         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
4336         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
4337         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
4338         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
4339         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
4340         sse2_pshufhw_1): Likewise.
4341         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
4342         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
4343         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
4344         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
4345         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
4346         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
4347         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
4348         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
4349         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
4350         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
4351         sminv8hi3): Mark commutative
4352         operands.  Use ix86_binary_operator_ok.
4353         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
4354         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
4355         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
4356         sse2_punpcklqdq): Allow operand2 in memory.
4357         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
4358         sse2_movsd): Add memory alternatives.
4359         (sse_storelps): Turn expander into an insn; split after reload.
4360         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
4361         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
4362
4363 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4364
4365         * configure.ac (DWARF-2 debug_line): Use objdump.
4366         * configure: Regenerate.
4367
4368 2005-01-08  Jeff Law  <law@redhat.com>
4369             Diego Novillo  <dnovillo@redhat.com>
4370
4371         PR tree-optimization/18241
4372         * tree-nrv.c (tree_nrv): Ignore volatile return values.
4373         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
4374         statements with volatile operands.
4375         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
4376         operands after marking a statement with has_volatile_ops.
4377
4378 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4379
4380         * tree.c (int_fits_type_p): Always honor integer constant
4381         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
4382
4383 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4384
4385         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
4386         the latent bug in rtl_delete_block has been resolved.
4387
4388 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4389
4390         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
4391         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
4392
4393 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4394
4395         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
4396         library as @multilib_dir@/$(SHLIB_SONAME).
4397
4398 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4399
4400         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
4401         * configure: Regenerate.
4402
4403 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4404
4405         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
4406         TYPE_MODE.
4407
4408 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
4409
4410         PR target/13674
4411         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4412         Convert non-word aligned offset address using ld/std into
4413         indirect address.
4414
4415 2005-01-07  Richard Henderson  <rth@redhat.com>
4416
4417         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
4418
4419 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
4420
4421         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
4422
4423 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4424
4425         PR tree-optimization/19283
4426         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
4427         is not shorter than the original type.
4428
4429         PR rtl-optimization/19012
4430         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
4431
4432         PR rtl-optimization/18861
4433         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
4434         (FULL_STATE): Define.
4435         (mark_tablejump_edge): New function.
4436         (purge_dead_tablejump_edges): New function.
4437         (find_bb_boundaries): Use it.
4438
4439         PR tree-optimization/18828
4440         * builtins.c (expand_builtin_next_arg): Remove argument and all
4441         the argument checking.
4442         (expand_builtin): Adjust caller.
4443         (expand_builtin_va_start): Likewise.  Remove error for too many
4444         arguments.
4445         (fold_builtin_next_arg): Issue error for too many arguments.
4446         After checking arguments, replace them with magic arguments that
4447         prevent further checking of the args.
4448
4449 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4450
4451         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
4452
4453 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4454
4455         PR target/6077
4456         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
4457         and %{.S:...} (and their negative variants) to test whether the
4458         input file is assembler or pre-processed-assembler independent of
4459         the actual filename extension.
4460
4461 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4462
4463         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
4464         of sign or zero extended values.
4465
4466 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
4467
4468         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
4469         for IBM long double format correctly.
4470
4471 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
4472
4473         Fix PR tree-optimization/18792
4474
4475         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
4476         to first_loop_depth, and use loop depth instead of loop number.
4477         (build_classic_dir_vector): Ditto.
4478         (compute_data_dependences_for_loop): Use depth, not loop number.
4479         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
4480         number. Pass in loops, instead of loop numbers.
4481         (gather_interchange_stats): Ditto.
4482         (linear_transform_loops): Ditto.
4483
4484 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
4485
4486         PR rtl-opt/13299
4487         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
4488         biv_fits_mode_p, extension_within_bounds_p): New functions.
4489         (check_ext_dependent_givs): Use them.
4490
4491 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4492
4493         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
4494         more than one barrier, in which case we should delete them all.
4495
4496 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
4497
4498         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
4499
4500 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
4501
4502         Fix PR middle-end/19286
4503         Fix PR debug/19267
4504         * dwarf2out.c (gen_subprogram_die): If we've already tried to
4505         output this subprogram, simply ignore this attempt to do it again.
4506         (add_abstract_origin_attribute): Don't abort trying to add the abstract
4507         origin attribute if it's not possible.
4508         (gen_block_die): Don't ignore subblocks of "unused" blocks.
4509         (decls_for_scope): Ditto.
4510         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
4511         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
4512
4513 2005-01-05  Richard Henderson  <rth@redhat.com>
4514
4515         PR target/11327
4516         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
4517         (bdesc_2arg): Use it.
4518         (ix86_expand_binop_builtin): Force operands into registers
4519         when optimizing.
4520         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
4521         ix86_expand_sse_compare, ix86_expand_sse_comi,
4522         ix86_expand_builtin): Likewise.
4523
4524 2005-01-05  Richard Henderson  <rth@redhat.com>
4525
4526         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
4527         and VEC_SELECT.
4528         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
4529         (mulv4hi3): Set itanium_class mmmul.
4530         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
4531         (fpack): Rename from fpack_sfsf.
4532
4533 2005-01-05  Richard Henderson  <rth@redhat.com>
4534
4535         PR rtl-opt/10692
4536         * reload1.c (do_input_reload): Restrict the optimization deleteing
4537         a previous output reload to RELOAD_FOR_INPUT.
4538
4539 2005-01-05  Steven Bosscher  <stevenb@suse.de>
4540
4541         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
4542         comment that we fall through after case.
4543         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
4544         (distribute_links): Likewise.
4545         * cse.c (cse_insn): Likewise.
4546         * cselib.c (cselib_invalidate_mem): Likewise.
4547         * df.c: Update comments at the top of the file.
4548         (read_modify_subreg_p): Update comments here too.
4549         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
4550         * flow.c (mark_set_1): Likewise.
4551         (mark_used_regs): Likewise.
4552         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4553         (canon_list_insert): Likewise.
4554         (mark_set): Likewise.
4555         (try_replace_reg): Likewise.
4556         (store_killed_in_insn): Likewise.
4557         * loop.c (count_one_set): Likewise.
4558         (basic_induction_var): Likewise.
4559         * postreload-gcse.c (find_mem_conflicts): Likewise.
4560         * postreload.c (reload_combine_note_store): Likewise.
4561         (move2add_note_store): Likewise.
4562         * reload.c (find_equiv_reg): Likewise.
4563         (mark_referenced_resources): Likewise.
4564         * rtlanal.c (set_noop_p): Likewise.
4565         (note_stores): Likewise.
4566         (note_uses): Likewise.
4567         * sched-deps.c (sched_analyze_1): Likewise.
4568         * sched-rgn.c (check_live_1): Likewise.
4569         (update_live_1): Likewise.
4570         * config/i860/i860.c: Likewise.
4571
4572         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
4573         an lvalue.
4574         (ZERO_EXTRACT): Mention that this one can be an lvalue.
4575
4576         * doc/rtl.texi: Update documentation for bit-fields and SET.
4577
4578 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4579
4580         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
4581
4582 2005-01-05  Jan Hubicka  <jh@suse.cz>
4583             Richard Henderson  <rth@redhat.com>
4584
4585         PR target/18910
4586         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
4587         with an offset.
4588
4589 2005-01-05  Richard Henderson  <rth@redhat.com>
4590
4591         PR target/12902
4592         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
4593         (sse_shufps): Change operand 3 to const_int_operand.
4594         (sse2_storelps): Fix typo in template.
4595         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
4596         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
4597         (ix86_expand_builtin): Likewise.
4598
4599 2005-01-05  Julian Brown  <julian@codesourcery.com>
4600
4601         * config/arm/arm.c (arm_return_in_memory): Treat complex types
4602         as aggregates for AAPCS ABIs.
4603
4604 2005-01-05  Stan Shebs  <shebs@apple.com>
4605
4606         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
4607         Mach-O getters if ppc64.
4608         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
4609         size argument.
4610         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4611         signed four-byte field for global code case.
4612         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
4613
4614 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4615
4616         PR middle-end/19100
4617         * c-common.c: Include real.h.
4618         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
4619         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
4620         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
4621         * Makefile.in (c-common.o): Update dependencies.
4622
4623 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4624
4625         * c-parse.in (asm_string): Add trailing semicolon.
4626
4627 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4628
4629         * c-parse.in (asm_string): New.  Don't allow wide strings in
4630         'asm'.
4631         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
4632         asm_string instead of STRING.
4633
4634 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4635
4636         * c-typeck.c (constructor_no_implicit): Remove.
4637         (set_designator, process_init_element): Don't check
4638         constructor_no_implicit.
4639
4640 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
4641             Kaz Kojima  <kkojima@gcc.gnu.org>
4642
4643         PR target/16482
4644         * lcm.c (create_pre_exit): New.
4645         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
4646         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
4647
4648 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4649
4650         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
4651         -msoft-float in target_float_switch.
4652         * arm.c (arm_override_options): Fix processing of target_float_switch.
4653
4654 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4655
4656         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
4657         preferencing.
4658
4659 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
4660
4661         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
4662         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
4663
4664 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4665
4666         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
4667         if deleting the then-block allows the test-block to fallthru to the
4668         else-block.
4669
4670 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
4671
4672         PR c/19152
4673         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
4674         after the full declaration if the are in two different TUs.
4675
4676 2005-01-04  Richard Henderson  <rth@redhat.com>
4677
4678         PR tree-opt/19158
4679         * tree-sra.c (generate_one_element_init): Just
4680         call gimplify_and_add.
4681         (generate_element_init): Record the
4682         new referenced variables and mark them for renaming
4683         and split out to ...
4684         (generate_element_init_1): This.
4685         (scalarize_init): Don't call push_gimplify_context/
4686         pop_gimplify_context.
4687
4688 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
4689
4690         * toplev.c (get_src_pwd): Handle failure of getpwd().
4691
4692 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4693
4694         * fold-const.c (fold_single_bit_test): Delete unreachable handling
4695         of TRUTH_NOT_EXPR.
4696         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
4697         all the cases handled by it are inverted by invert_truthvalue.
4698
4699 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4700
4701         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
4702         (save_register_windowsi): Likewise.
4703
4704 2005-01-04  Richard Henderson  <rth@redhat.com>
4705
4706         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
4707
4708 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4709
4710         PR middle-end/17767
4711         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
4712         any simplifications of vector mode comparison operators.
4713         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
4714
4715 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
4716             Devang Patel  <dpatel@apple.com>
4717
4718         PR tree-optimization/18308
4719         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
4720         the operands before creating a new expression.
4721         * dojump.c (do_jump): Make drop_through_label available
4722         for all cases.  Add expansion of COND_EXPR.
4723
4724 2005-01-04  Ira Rosen  <irar@il.ibm.com>
4725
4726         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
4727         INTEGER_CST instead of TREE_CONSTANT.
4728         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
4729         instead of TREE_CONSTANT.
4730         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
4731         instead of TREE_CONSTANT.
4732
4733 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4734
4735         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
4736
4737 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4738
4739         PR target/19240
4740         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
4741         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
4742
4743 2005-01-03  Richard Henderson  <rth@redhat.com>
4744
4745         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
4746         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
4747         fold_convert_const_real_from_real): Split out from ...
4748         (fold_convert_const): ... here.
4749
4750 2005-01-03  Richard Henderson  <rth@redhat.com>
4751
4752         PR target/19235
4753         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
4754         (mov<MMXMODEI>_internal): Likewise.
4755         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
4756         Add V2SF case; use it for SSE1; don't use TI.
4757         (movdf_integer): Likewise.
4758         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
4759
4760 2005-01-03  Ira Rosen  <irar@il.ibm.com>
4761
4762         * tree-vectorizer.c (vect_strip_conversions): New function.
4763         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
4764         check for binary class.
4765
4766 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
4767
4768         Fix PR debug/17924
4769         Fix PR debug/19191
4770         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
4771         is a decl.
4772         * gimple-low.c (mark_blocks_with_used_vars): New function.
4773         (mark_blocks_with_used_subblocks): Ditto.
4774         (mark_used_blocks): Ditto.
4775         (pass_mark_used_blocks): New pass.
4776         * tree-inline.c: Include debug.h.
4777         (expand_call_inline): Call outlining_inline_function here.
4778         * tree-optimize.c (init_tree_optimization_passes): Add
4779         pass_mark_used_blocks.
4780         * tree-pass.h (pass_mark_used_blocks): New.
4781         * Makefile.in (tree-inline.o): Add debug.h dependency.
4782
4783 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
4784
4785         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
4786         VAR_DECLs to have weak_import attribute.
4787
4788         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
4789         'struct ucontext'.
4790
4791 2004-01-03  Steven Bosscher  <stevenb@suse.de>
4792
4793         * passes.c (rest_of_compilation): Don't run regmove if only
4794         flag_expensive_optimizations, require flag_regmove instead.
4795
4796 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4797
4798         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
4799         register "sparc".
4800         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
4801         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4802         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
4803         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4804
4805 2005-01-03  Richard Henderson  <rth@redhat.com>
4806
4807         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
4808         (ia64_const_ok_for_letter_p): New.
4809         (ia64_const_double_ok_for_letter_p): New.
4810         (ia64_extra_constraint): New.
4811         (ia64_expand_vecint_compare): New.
4812         (ia64_expand_vcondu_v2si): New.
4813         (ia64_expand_vecint_cmov): New.
4814         (ia64_expand_vecint_minmax): New.
4815         (ia64_print_operand): Add 'v'.
4816         (ia64_preferred_reload_class): New.
4817         (ia64_vector_mode_supported_p): New.
4818         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
4819         (PREFERRED_RELOAD_CLASS): Move to function.
4820         (CONST_OK_FOR_LETTER_P): Move to function.
4821         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
4822         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
4823         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
4824         (EXTRA_CONSTRAINT): Move to function.
4825         * config/ia64/ia64.md: Include vect.md.
4826         (itanium_class): Add mmalua.
4827         (type): Handle it.
4828         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
4829         (1b_mmalua): New.
4830         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
4831         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
4832         CONST0_RTX.
4833         (const_int_2bit_operand): New.
4834         (fr_reg_or_0_operand): New.
4835         * config/ia64/ia64-modes.def: Add vector modes.
4836         * config/ia64/ia64-protos.h: Update.
4837         * config/ia64/vect.md: New file.
4838
4839 2005-01-03  Richard Henderson  <rth@redhat.com>
4840
4841         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
4842
4843 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
4844
4845         PR target/19236
4846         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
4847         to SFmode.
4848         (log1pdf2): Change mode of operands[0,1] to DFmode.
4849
4850 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4851
4852         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
4853         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
4854         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
4855         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
4856         SPARC_RELAXED_ORDERING.
4857
4858 2005-01-03  Richard Henderson  <rth@redhat.com>
4859             Uros Bizjak  <uros@kss-loka.si>
4860
4861         PR target/14631
4862         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
4863         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
4864         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
4865         handling.
4866         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
4867         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
4868         const_pow2_1_to_128_operand): New predicates.
4869
4870 2005-01-02  Greg McGary  <greg@mcgary.org>
4871
4872         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
4873         anonymous decls.
4874         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
4875         object.  [ptr_type]: Remove unused variable.
4876         Remember nearest addressable array-element or record-component
4877         when checking bitfield components.  Tolerate empty BIND_EXPR.
4878
4879 2005-01-01  Richard Henderson  <rth@redhat.com>
4880
4881         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
4882         that don't narrow the value.  Fail for other conversions.
4883
4884 2005-01-01  Richard Henderson  <rth@redhat.com>
4885
4886         PR c/19031
4887         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
4888         * c-lang.c (finish_file): Don't do it here.
4889         * objc/objc-act.c (objc_finish_file): Likewise.
4890
4891         * cgraph.c (decl_assembler_name_equal): New.
4892         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
4893         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
4894         * cgraph.h (struct cgraph_varpool_node): Add next.
4895         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
4896         * varasm.c (assemble_alias): Mark the target as needed.
4897
4898 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
4899
4900         PR middle-end/19221
4901         * function.c (get_arg_pointer_save_area): Use entry_of_function
4902         instead of get_insns.
4903
4904 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4905             Andrew Pinski  <pinskia@physics.uc.edu>
4906             James E. Wilson  <wilson@specifixinc.com>
4907
4908         PR rtl-optimization/12092
4909         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
4910         is zero.
4911
4912 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4913             Olivier Hainque  <hainque@act-europe.fr>
4914
4915         * tree.c (int_fits_type_p): A narrower type always fits in a
4916         wider one, except for negative values into unsigned types.
4917
4918 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4919
4920         * tree.c (int_fits_type_p): Compare the result of force_fit_type
4921         with the original constant rather than require TREE_OVERFLOW.
4922
4923 2005-01-01  Steven Bosscher  <stevenb@suse.de>
4924
4925         PR middle-end/17544
4926         * c-decl.c (finish_function): If compiling C99, annotate the
4927         compiler generated return with the current file name and line 0.
4928         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
4929         the source line is greater than 0.
4930         (remove_bb): Likewise.
4931
4932 See ChangeLog.12 for earlier changes.