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1 2005-02-24  Richard Henderson  <rth@redhat.com>
2
3         PR middle-end/18902
4         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
5         for c99.
6         * common.opt (fcx-limited-range): New.
7         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
8         * toplev.c (flag_complex_method): Initialize to 1.
9         (process_options): Set flag_complex_method to 0 if
10         flag_cx_limited_range.
11         * doc/invoke.texi (-fcx-limited-range): New.
12
13 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
14
15         * cse.c (delete_trivially_dead_insns): Speed up by using
16         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
17         prev_real_insn.
18
19 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
20
21         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
22         functions when -mid-shared-library is being used.
23
24 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
25
26         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
27         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
28         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
29         * system.h: Poison LINK_LIBGCC_SPECIAL.
30
31 2005-02-23  James E Wilson  <wilson@specifixinc.com>
32
33         * gengtype.c (note_insn_name): Make 1 element larger.
34
35 2005-02-23  Roger Sayle  <roger@eyesopen.com>
36
37         PR target/20018
38         PR rtl-optimization/20097
39         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
40         BImode SUBREGs of SImode registers which confuse the ia64 backend.
41
42 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
43
44         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
45         * t-aix52 (SHLIB_INSTALL): Same.
46
47 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
48
49         * genpreds.c: Update copyright.
50
51 2005-02-23  Michael Beach  <michaelb@ieee.org>
52
53         PR target/20159
54         * config/sparc/t-elf (startup files): Assemble with CPP.
55
56 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
57
58         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
59         (write_predicate_expr): Likewise.
60
61 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
62
63         PR tree-optimization/20100
64         PR tree-optimization/20115
65         * tree-optimize.c (init_tree_optimization_passes): Remove
66         pass_maybe_create_global_var.
67         * tree-pass.h (pass_maybe_create_global_var): Remove.
68         * tree-ssa-alias.c (aliases_computed_p): Declare.
69         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
70         (count_calls_and_maybe_create_global_var): Remove.
71         (pass_maybe_create_global_var): Remove.
72         (init_alias_info): Do not declare aliases_computed_p.
73         (maybe_create_global_var): If the function contains no
74         call-clobbered variables and a mix of pure/const and regular
75         function calls, create .GLOBAL_VAR.
76         Mark all call-clobbered variables for renaming.
77         (merge_pointed_to_info): Update comment.
78         (add_pointed_to_var): Likewise.
79         (is_escape_site): Likewise.
80         Accept struct alias_info * instead of size_t *.
81         Update all users.
82         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
83         as necessary.
84         * tree-ssa-operands.c (get_call_expr_operands): If
85         ALIASES_COMPUTED_P is false, do not add call-clobbering
86         operands.
87         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
88         (delete_tree_ssa): Likewise.
89
90 2005-02-22  James E Wilson  <wilson@specifixinc.com>
91
92         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
93         (do_compile): Do call it here.
94
95 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
96
97         PR rtl-optimization/20017.
98         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
99         rest_of_handle_cse2, rest_of_handle_gcse): Call
100         delete_dead_jumptables immediately before calling cleanup_cfg.
101
102 2005-02-22  Devang Patel  <dpatel@apple.com>
103
104         PR 19952
105         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip 
106         all labels
107         
108 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
109
110         * config/rs6000/aix.h (WINT_TYPE): Define.
111
112 2005-02-22  Stan Shebs  <shebs@apple.com>
113
114         * config/rs6000/rs6000.c (rs6000_override_options): Default to
115         natural alignment for 64-bit Darwin.
116         (rs6000_parse_alignment_option): Warn about uses of -malign-power
117         on 64-bit Darwin.
118         * doc/invoke.texi: Document this.
119
120 2005-02-22  DJ Delorie  <dj@redhat.com>
121
122         * c-common.c (c_common_type_for_mode): Pass the mode's precision
123         to make_[un]signed_type, not the mode itself.
124
125 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
126
127         * cfg.c (cached_make_edge): Call make_edge if edge cache is
128         not available.  Use tail calls wherever possible.
129         (make_edge): Call unchecked_make_edge to create an edge.
130
131         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
132         (coalesce_ssa_name): Don't check for
133         SSANORM_USE_COALESCE_LIST.
134         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
135
136 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
137
138         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
139         (rewrite_into_ssa): ... here.
140
141 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
142
143         PR tree-optimization/19786
144         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
145         tag to another's may-alias bitmap when adding to the other's list.
146
147 2005-02-21  DJ Delorie  <dj@redhat.com>
148
149         * tree-ssa-loop-ivopts.c (computation_cost): Start register
150         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
151         registers in unsupported ways.
152         * expmed.c (init_expmed): Likewise.
153         
154 2005-02-21  Stan Cox  <scox@redhat.com>
155
156         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
157
158 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
159
160         * tree-cfg.c (fold_cond_expr_cond): New.
161         (make_edges): Call fold_cond_expr_cond.
162         (find_taken_edge): Accept nothing but INTEGER_CST.
163         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
164         and 1.
165         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
166
167         * flow.c (delete_dead_jumptables): Speed up by scanning insns
168         that do not belong to any basic block.
169
170 2005-02-21  Jeff Law  <law@redhat.com>
171
172         * cfganal.c (find_unreachable_blocks): Manually CSE load of
173         e->dest.
174
175 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
176
177         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
178         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
179         Adjust their definitions.
180         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
181         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
182
183         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
184         genautomata.c, langhooks.c, langhooks.h, system.h,
185         config/arm/lib1funcs.asm: Update copyright.
186
187 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
188
189         * dbxout.c (dbxout_function_end): Emit Lscope label always.
190
191 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
192
193         PR bootstrap/13770
194         * doc/install.texi: Document --with-gc.
195
196 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
197
198         * simplify-rtx.c (simplify_unary_operation): Add a missing
199         "break" statement.
200
201 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
202
203         PR tree-optimization/18663
204         * tree-ssa-dom.c (extract_range_from_cond): Return 0
205         if the type has variable bounds.
206
207 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
208
209         * gcse.c: Remove an obsolete comment.
210
211         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
212
213 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
214
215         * doc/extend.texi (Function Attributes) <Attribute const>: The
216         attribute "pure" is below this text, not above.
217
218 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
219
220         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
221         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
222         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
223
224 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
225
226         PR 18785
227         * langhooks.h (struct lang_hooks): Add to_target_charset.
228         * langhooks.c (lhd_to_target_charset): New function.
229         * langhooks-def.h: Declare lhd_to_target_charset.
230         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
231         (LANG_HOOKS_INITIALIZER): Update.
232         * c-common.c (c_common_to_target_charset): New function.
233         * c-common.h: Declare it.
234         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
235         c_common_to_target_charset.
236
237         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
238         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
239         Delete definitions.
240         * system.h: Poison them.
241         * doc/tm.texi: Don't discuss them.
242         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
243         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
244         (pp_c_char): Do not attempt to generate letter escapes for
245         newline, tab, etc.
246         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
247         * config/mips/mips.c (mips_output_ascii): Likewise.
248
249 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
250
251         PR tree-optimization/19951
252         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
253         is abnormal.
254
255 2005-02-19  Steven Bosscher  <stevenb@suse.de>
256
257         PR middle-end/19698
258         * function.h (struct function): New field `max_loop_depth'.
259         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
260         (flow_loops_find): Reset the max loop depth count before finding loops.
261         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
262         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
263         (calculate_global_regs_live): Make sure the loop will terminate
264         when the initial sets are not empty.
265
266 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
267
268         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
269         object inside.
270         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
271
272 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
273
274         PR other/19525
275         * doc/invoke.texi: Remove documentation of %M spec.
276         * gcc.c: Likewise.
277         (init_spec): Remove %M suffix from -lgcc_s.
278         (do_spec_1): Remove 'M' case.
279         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
280         to put shared libraries in the multilib directory.  Remove the
281         shlib_so_soname substitution variable.  Don't add a multilib encoding
282         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
283         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
284         SHLIB_INSTALL as well as SHLIB_LINK.
285         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
286         (SHLIB_NAME): Delete.
287         (SHLIB_DIR): New macro.
288         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
289         (SHLIB_INSTALL): Adjust accordingly.
290         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
291         * config/t-slibgcc-sld: Likewise.
292         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
293         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
294         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
295         in $(SHLIB_DIR).
296         (SHLIBUNWIND_INSTALL): Adjust accordingly.
297         * config/i386/t-nwld (SHLIB_SONAME): Delete.
298         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
299         Use @shlib_base_name@ instead of @shlib_so_name@.
300         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
301         and @shlib_base_name@.so in @multilib_dir@.
302         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
303         to the install path.
304         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
305         (SHLIB_LINK): Remove previous workaround.
306         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
307         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
308         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
309         the install path.
310         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
311         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
312         (SHLIB_INSTALL): Adjust accordingly.
313         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
314         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
315         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
316         config/t-slibgcc-elf-ver.
317
318 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
319             Jakub Jelinek  <jakub@redhat.com>
320
321         PR tree-optimization/19828
322         * tree-ssa-loop-im.c: Add a TODO comment.
323         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
324         without side-effects.
325
326 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
327
328         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
329         call fold_convert.
330
331 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
332
333         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
334         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
335         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
336         functions.
337         (ia64_reorg): Delete fixup_errata call.
338         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
339         (TARGET_SWITCHES): Delete -mb-step entry.
340
341 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
342
343         PR c/20043
344         * c-typeck.c (composite_type): Handle quals in transparent unions.
345         (type_lists_compatible_p): Likewise.
346
347 2005-02-18  Stan Shebs  <shebs@apple.com>
348
349         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
350         expressions in the .literal8 section.
351
352 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
353
354         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
355
356 2005-02-18  Roger Sayle  <roger@eyesopen.com>
357
358         * fold-const.c (constant_boolean_node): Always create values of the
359         specified type, don't bother calling truthvalue_conversion.
360
361 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
362
363         * except.c (output_function_exception_table): Call
364         assemble_external_libcall (eh_personality_libfunc).
365
366 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
367
368         PR target/19886
369         * config/ia64/ia64.h (struct machine_function): Add state_num.
370         * config/ia64/ia64.c (process_epilogue,
371         process_for_unwind_directive): Use new unwind state numbers each
372         time rather than state 1.
373
374 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
375
376         PR target/20054
377         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
378         before the "*llgt_didi" pattern.
379
380 2005-02-18  Jason Merrill  <jason@redhat.com>
381
382         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
383
384 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
385
386         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
387         (div0): Use it in place of ARM_FUNC_ALIAS.
388         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
389
390 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
391
392         PR middle-end/20030
393         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
394         access, the lower bound of the array type if it exists.
395
396 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
397
398         PR c++/20008
399         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
400         cases that are out-of-range for the index type.
401
402 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
403
404         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
405         (estimate_case_costs): Don't call convert.
406         * expmed.c (expand_shift): Likewise.
407         (make_tree): Call fold_convert instead of convert.
408
409 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
410
411         PR c++/19813
412         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
413         that ref to be marked MEM_READONLY_P doesn't have base that needs
414         constructing.
415
416 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
417
418         * genautomata.c (output_get_cpu_unit_code_func,
419         output_cpu_unit_reservation_p): Don't generate old-style function
420         definitions.
421
422 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
423
424         PR c++/20023
425         PR tree-optimization/20009
426         * convert.c (convert_to_integer): Revert 2005-02-16 change.
427
428         PR tree-optimization/18947
429         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
430         inline, remove all nodes that are inlined into the extern inline
431         being redefined.
432
433 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
434
435         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
436         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
437         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
438         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
439         Update copyright.
440
441 2005-02-17  Roger Sayle  <roger@eyesopen.com>
442
443         PR tree-optimization/19917
444         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
445         to be potentially trapping.
446
447 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
448
449         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
450
451 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
452
453         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
454         tem becomes a local variable which is set to the value of the
455         back end defined INITIAL_FRAME_ADDRESS macro.
456         (expand_builtin_frame_address): Omit the base parameter to
457         expand_builtin_return_addr.
458         (expand_builtin_profile_func): Likewise.
459         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
460         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
461         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
462
463 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
464
465         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
466         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
467         * config/frv/frv.c (frv_function_epilogue): Likewise.
468
469 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
470
471         * lambda-code (perfect_nestify): Remove mark/unmark
472         for rewriting hack.
473         * tree-loop-linear.c (linear_transform_loops): Add
474         rewrite_into_ssa call so that ssa is correct for
475         rewriting into loop closed.
476
477 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
478
479         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
480         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
481         BITMAP_FREE.
482         * bt-load.c (btr_def_live_range, combine_btr_defs,
483         migrate_btr_def, migrate_btr_defs): Likewise.
484         * cfgcleanup.c (thread_jump): Likewise.
485         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
486         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
487         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
488         df_rd_local_compute, df_reg_info_compute): Likewise.
489         * dominance.c (init_dom_info, free_dom_info): Likewise.
490         * flow.c (init_propagate_block_info,
491         free_propagate_block_info): Likewise.
492         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
493         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
494         modify_reg_pav): Likewise.
495         * loop-invariant.c (find_defs, find_invariant_insn,
496         find_invariants, free_inv_motion_data): Likewise.
497         * predict.c (tree_predict_by_opcode,
498         estimate_bb_frequencies): Likewise.
499         * stmt.c (expand_case): Likewise.
500         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
501         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
502         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
503         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
504         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
505         rewrite_ssa_into_ssa): Likewise.
506         * tree-optimize.c (tree_rest_of_compilation): Likewise.
507         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
508         analyze_edges_for_bb, perform_edge_inserts): Likewise.
509         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
510         * tree-sra.c (tree_sra): Likewise.
511         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
512         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
513         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
514         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
515         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
516         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
517         Likewise.
518         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
519         calculate_live_on_entry, calculate_live_on_exit,
520         build_tree_conflict_graph): Likewise.
521         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
522         record_important_candidates, set_use_iv_cost, find_depends,
523         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
524         tree_ssa_iv_optimize_finalize): Likewise.
525         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
526         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
527         tree_duplicate_loop_to_header_edge): Likewise.
528         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
529         * tree-ssa.c (verify_flow_insensitive_alias_info,
530         verify_name_tags, verify_ssa, init_tree_ssa,
531         delete_tree_ssa): Likewise.
532         * tree-ssanames.c (marked_ssa_names, init_ssanames,
533         fini_ssanames): Likewise.
534         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
535
536 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
537
538         * config/rs6000/t-rtems: Completely reworked.
539
540 2005-02-17  Ira Rosen  <irar@il.ibm.com>
541
542         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
543
544 2005-02-17  Ira Rosen  <irar@il.ibm.com>
545
546         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
547         POINTER_TYPE_P when checking that type is a pointer.
548         (vect_get_memtag): Remove.
549         (vect_address_analysis): Use POINTER_TYPE_P. Call
550         vect_object_analysis with dummy parameter for memtag.
551         (vect_object_analysis): Extract memtag (functionality that
552         used to be in vect_get_memtag and moved here). Fix printings.
553         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
554         with correct parameters. Remove call to vect_get_memtag.
555
556 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
557
558         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
559         (tree-vectorizer.o): Added missing dependencies.
560
561         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
562         decleration.
563         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
564         declaration in tree-vectorizer.c, now has an extern declaration in
565         tree-vectorizer.h).
566         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
567         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
568         get_vectype_for_scalar_type, vect_is_simple_use,
569         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
570         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
571         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
572         vectorizable_store, vectorizable_operation, vectorizable_assignment,
573         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
574         find_loop_location): Likewise.
575
576         * tree-vectorizer.c (langhooks.h): #include removed.
577         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
578         moved to tree-vectorized.h.
579         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
580         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
581         get_vectype_for_scalar_type, vect_is_simple_use,
582         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
583         vect_supportable_dr_alignment, new_loop_vec_info,
584         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
585         vect_set_verbosity_level, find_loop_location): Likewise.
586
587         (vect_analyze_loop): Function externalized. Declaration moved to
588         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
589         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
590         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
591         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
592         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
593         vect_enhance_data_refs_alignment, vect_analyze_operations,
594         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
595         vect_stmt_relevant_p, vect_get_loop_niters,
596         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
597         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
598         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
599         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
600         vect_get_memtag): Likewise.
601
602         (vectorizable_load): Function externalized. Declaration moved to
603         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
604         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
605         vect_transform_loop): Likewise.
606         (vect_transform_stmt): Moved to tree-vect-transform.c.
607         (vect_align_data_ref, vect_create_destination_var,
608         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
609         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
610         vect_get_vec_def_for_operand, vect_init_vector,
611         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
612         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
613         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
614         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
615         vect_do_peeling_for_loop_bound): Likewise.
616
617         * tree-vect-analyze.c: New file.
618         * tree-vect-transform.c: New file.
619
620 2005-02-17  Jason Merrill  <jason@redhat.com>
621
622         PR mudflap/19319, c++/19317
623         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
624         slot explicit.
625
626 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
627
628         * doc/install.texi (Specific): Update link for Darwin-specific
629         tool binary site.
630
631 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
632
633         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
634         constant_boolean_node.
635
636 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
637
638         PR target/19019
639         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
640         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
641
642 2005-02-16  Richard Henderson  <rth@redhat.com>
643
644         PR 19920
645         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
646         with W_TYPE_SIZE.
647         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
648         replace uses with Wtype_MAXp1_F.
649         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
650         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
651         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
652         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
653         and HAVE_TFMODE as appropriate.
654         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
655         (__floatdisf): Likewise.
656         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
657         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
658         (Wtype_MAXp1_F): New.
659         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
660         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
661
662 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
663
664         * PR target/19162
665         * arm.c (arm_apply_result_size): New function.
666         * arm.h (APPLY_RESULT_SIZE): Define.
667         * arm-protos.h (arm_apply_result_size): Add prototype.
668         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
669         (movxf): New expand.
670         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
671         (call_value_symbol): Remove predicate for operand 0.
672         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
673         (untyped_call): Rework to correclty return values for any type.
674         (untyped_return): New expand.
675         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
676
677 2005-02-16  Stan Shebs  <shebs@apple.com>
678
679         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
680         * config/rs6000/t-darwin8: New, for 64-bit multilib.
681
682 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
683
684         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
685         configure settings on Solaris 7 and later.
686
687 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
688
689         PR tree-optimization/19865
690         * tree-optimize.c (init_tree_optimization_passes): Run
691         pass_may_alias after pass_sra.
692
693 2005-02-16  Richard Henderson  <rth@redhat.com>
694             Stuart Hastings  <stuart@apple.com>
695
696         PR debug/19521
697         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
698         Do nothing if debug info suppressed for this function.
699         (dbxout_begin_function): Early exit if debug info suppressed for
700         this function.
701
702 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
703
704         PR target/20007
705         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
706         find_basic_blocks.
707         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
708
709         PR tree-optimization/19967
710         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
711         expand_builtin_strchr, expand_builtin_strrchr): Take a new
712         argument TYPE.  Adjust calls to fold_builtin_XXX.
713         (expand_builtin, fold_builtin_1): Adjust calls to
714         expand_builtin_XXX.
715         (fold_builtin_strchr, fold_builtin_strpbrk,
716         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
717         result to a requested type TYPE.
718
719 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
720
721         PR middle-end/19857
722         * fold-const.c (fold): Don't optimize (T)(x & cst) to
723         (T)x & (T)cst if (T)cst overflows.
724         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
725         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
726
727 2005-02-15  Jeff Law  <law@redhat.com>
728
729         * gcse.c (blocks_with_calls): New bitmap.
730         (alloc_gcse_mem): Allocate it.
731         (free_gcse_mem): Free it.
732         (clear_modifY_mem_tables): Clear it.
733         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
734         when we encounter CALL_INSNs.
735         (compute_transp, case MEM): Handle blocks with calls separate
736         from blocks without calls.  Use bitmap iterators rather than
737         FOR_EACH_BB.
738
739 2005-02-15  Peter O'Gorman  <peter@pogma.com>
740
741         PR bootstrap/18810
742         * mklibgcc.in (vis_hide): Use a temporary object file, not
743         -o /dev/null.
744
745 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
746
747         PR target/19924
748         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
749         access optimization.
750
751 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
752             Alan Modra  <amodra@bigpond.net.au>
753
754         PR target/19019
755         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
756         (_xlqsub): Rename to __gcc_qsub.
757         (_xlqmul): Rename to __gcc_qmul.
758         (_xlqdiv): Rename to __gcc_qdiv.
759         Provide versioned symbol aliases with old names.
760         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
761         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
762         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
763         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
764         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
765
766 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
767
768         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
769         Fold ~(A - 1) and ~(A + -1) to -A.
770
771 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
772
773         PR pch/14940
774         PR target/19300
775         * config/host-linux.c (linux_gt_pch_use_address): Copy from
776         config/pa/pa-host.c:pa_gt_pch_use_address.
777
778 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
779
780         * tree-vn.c (get_value_handle): Make sure that given an
781         is_gimple_min_invariant expression, we always return it.
782
783 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
784
785         * passes.c (rest_of_handle_gcse): Fix a comment.
786
787 2005-02-15  Jeff Law  <law@redhat.com>
788
789         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
790         bitmap.
791         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
792         (canon_list_insert, record_last_mem_set_info): Similarly.
793         (clear_modify_mem_tables): Similarly.
794
795 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
796
797         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
798         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
799         config/mips/mips.md, config/rs6000/aix.h,
800         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
801
802 2005-02-15  Richard Henderson  <rth@redhat.com>
803
804         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
805         call to be best_edge.
806
807 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
808
809         * basic-block.h: Adjust the prototype for find_basic_blocks.
810         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
811         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
812         find_basic_blocks.
813
814         * flow.c (recompute_reg_usage): Remove all arguments.
815         * passes.c (rest_of_compilation): Adjust the call to
816         recompute_reg_usage.
817         * rtl.h: Adjust the prototype for recompute_reg_usage.
818
819 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
820
821         * tree-dump.c (dump_files): Update to reflect new member
822         of dump_file_info.
823         (dump_register): Add new argument.
824         Set glob name.
825         (dump_switch_p_1): Check against glob name if doglob was passed.
826         (dump_switch_p): Check against regular first, then glob if
827         we didn't have any hits on the dump name.
828         * tree-optimize.c (register_one_dump_file):
829         Pass in glob name as well.
830         * tree-pass.h (struct dump_file_info): Add glob
831         member.
832
833 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
834
835         PR preprocessor/16323
836         * doc/invoke.texi: Document that -Wendif-labels is on by default.
837
838 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
839
840         PR target/19019
841         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
842         (trunctfdf2_internal1): New.
843         (trunctfdf2_internal2): Renamed from trunctfdf2.
844
845 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
846
847         PR tree-optimization/19853
848         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
849
850 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
851
852         * passes.c (rest_of_handle_loop_optimize): Remove calls to
853         delete_dead_jumptables and cleanup_cfg.
854
855 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
856
857         * reload.c (find_reloads): Swap address_reloaded flags when
858         swapping commutative operands.
859
860 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
861
862         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
863         Use standard_iv_increment_position for computing the bsi position
864         for create_iv.
865         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
866         the bsi position.
867
868 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
869
870         PR target/17428
871         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
872         life range of hard registers.
873         * value-prof.c (insn_prefetch_values_to_profile): Only
874         scan normal insns.
875
876         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
877         profile in libcalls.
878
879 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
880
881         * bitmap.h (bitmap_and_compl_into): Return bool.
882         * bitmap.c (bitmap_and_compl_into): Return changed flag.
883
884 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
885
886         PR tree-optimization/19944
887         * fold-const.c (fold): Re-add ABS_EXPR folding.
888
889 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
890
891         PR target/19019
892         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
893         {TARGET,MASK}_XL_COMPAT.
894         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
895         MASK_XL_COMPAT.
896         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
897         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
898         TARGET_XL_COMPAT.
899         (rs6000_arg_partial_bytes): Same.
900         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
901         and XL compatibility enabled.
902         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
903         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
904         test to final condition.
905         (cmptf_internal2): New.
906         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
907         xl-compat.  Add TFmode information to description.
908
909 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
910
911         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
912
913 2005-02-13  Jason Merrill  <jason@redhat.com>
914
915         PR c++/16405
916         * fold-const.c (fold_indirect_ref_1): Split out from...
917         (build_fold_indirect_ref): Here.
918         (fold_indirect_ref): New fn.
919         * tree.h: Declare it.
920         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
921         (gimplify_modify_expr_rhs): Likewise.
922         (gimplify_expr): Likewise.
923
924 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
925
926         PR tree-optimization/14303
927         PR tree-optimization/15784
928         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
929         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
930         ABS_EXPR<x> != 0 to x != 0.
931
932 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
933
934         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
935         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
936         spelling conventions.
937
938         * passes.c (rest_of_handle_gcse): Don't run cse_main and
939         delete_trivially_dead_insns too many times.
940
941         * passes.c (rest_of_handle_gcse): Remove dead assignments to
942         tem and tem2.
943
944 2005-02-12  Ira Rosen  <irar@il.ibm.com>
945
946         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
947         (vect_is_simple_iv_evolution): Remove redundant parameter
948         and step check.
949         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
950         without last parameter.
951         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
952         Return pointer step. Call vect_is_simple_iv_evolution without
953         last parameter. Check only that the step is multiple of size
954         type. Remove stmt_vinfo updates.
955         (vect_get_memtag_and_dr): Remove.
956         (vect_get_memtag): New function.
957         (vect_address_analysis): New function.
958         (vect_object_analysis): New function.
959         (vect_analyze_data_refs): Call vect_object_analysis and
960         vect_get_memtag. Update stmt_vinfo fields.
961
962 2005-02-12  Ira Rosen  <irar@il.ibm.com>
963
964         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
965         exist and are objects. Remove checks for pointer.
966         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
967         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
968         (vect_create_data_ref_ptr): Likewise.
969         (vect_base_addr_differ_p): New function.
970         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
971         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
972         Don't set the DR_BASE_NAME field of data-ref.
973         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
974
975 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
976
977         * optabs.h (enum optab_index): Add new OTI_ldexp.
978         (ldexp_optab): Define corresponding macro.
979         * optabs.c (init_optabs): Initialize ldexp_optab.
980         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
981         patterns.
982         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
983         using ldexp_optab.
984         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
985         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
986
987         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
988         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
989         intrinsics.
990
991 2005-02-12  Ira Rosen  <irar@il.ibm.com>
992
993         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
994         to base_address.
995         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
996         stmt_vec_info.
997         (vect_get_base_and_offset): Always return an address.
998         (vect_create_addr_base_for_vector_ref): Remove treatment for
999         different data reference types.
1000         (vect_compute_data_ref_alignment): Rename base to base_address in
1001         stmt_vec_info. Get the object in order to force its alignment.
1002         (vect_get_memtag_and_dr): Rename base to base_address in
1003         stmt_vec_info. Extract the object for memtag analysis.
1004
1005 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1006
1007         PR regression/19898.
1008         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1009         changes cc_status, use apply modified_in_p to part of cc_status
1010         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1011         body.
1012
1013 2005-02-11  Richard Henderson  <rth@redhat.com>
1014
1015         * tree-complex.c (expand_complex_libcall): New.
1016         (expand_complex_multiplication): Use it for c99 compliance.
1017         (expand_complex_division): Likewise.
1018         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1019         (fold): Call them.
1020         * builtins.c (built_in_names): Remove const.
1021         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1022         builtins.
1023         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1024         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1025         (built_in_names): Remove const.
1026         * c-common.c (c_common_type_for_mode): Handle complex modes.
1027         * flags.h, toplev.c (flag_complex_method): Rename from
1028         flag_complex_divide_method.
1029         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1030         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1031         * libgcc2.h: Declare them.
1032         * libgcc-std.ver: Export them.
1033         * mklibgcc.in (lib2funcs): Build them.
1034
1035 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1036
1037         PR tree-optimization/19876
1038         Partially revert my change from 2005-01-14
1039         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1040         (compute_antic): ...and remove the loop here.
1041
1042 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1043
1044         PR middle-end/19858
1045         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1046         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1047
1048         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1049         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1050
1051 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1052
1053         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1054         offsets for the big-endian 32-bit case.
1055
1056 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1057
1058         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1059
1060 2005-02-11  Dale Johannesen  <dalej@apple.com>
1061
1062         * cselib.c (cselib_process_insn):  Clear out regs where
1063         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1064         * reload.c (find_equiv_reg): Ditto.
1065
1066 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1067
1068         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1069         with no elements.
1070
1071         * tree.c (build_function_type_list): Work correctly if there are
1072         no arguments.
1073
1074 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1075
1076         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1077         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1078         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1079         TARGET_ZARCH instead of TARGET_64BIT.
1080
1081 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1082
1083         * config/rs6000/t-rtems:
1084         (MULTILIB_OPTIONS): Remove mcpu=602.
1085         (MUTLILIB_DIRNAMES): Remove m602.
1086         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1087         Let mcpu=602 match mcpu=603.
1088         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1089
1090 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1091
1092         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1093         signal trampolines.
1094
1095 2005-02-10  David Daney  <ddaney@avtrex.com>
1096
1097         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1098         * config/i386/linux-unwind.h: Likewise.
1099         * config/ia64/linux-unwind.h: Likewise.
1100         * config/mips/linux-unwind.h: Likewise.
1101         * config/pa/linux-unwind.h: Likewise.
1102         * config/rs6000/linux-unwind.h: Likewise.
1103         * config/s390/linux-unwind.h: Likewise.
1104         * config/sh/linux-unwind.h: Likewise.
1105         * config/sparc/linux-unwind.h: Likewise.
1106
1107 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1108
1109         PR tree-optimization/17549
1110         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1111         TER to replace a DEF with its expression if the DEF and the
1112         rhs of the expression we replace into have the same root
1113         variable.
1114
1115 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1116
1117         * config/mips/mips.md: Fix the placement of the match_scratch in the
1118         lea64 peephole2.
1119
1120 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1121
1122         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1123         Fix comment typos.
1124
1125 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1126
1127         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1128         (strip_offset): Handle addresses.
1129         (add_address_candidates): Use strip_offset.
1130         (difference_cost): Reflect strip_offset change.
1131         (force_var_cost, difference_cost): Strip nops.
1132
1133 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1134
1135         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1136
1137         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1138         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1139         config/cris/cris-protos.h, config/cris/cris.c: Update
1140         copyright.
1141
1142 2005-02-10  Jeff Law  <law@redhat.com>
1143
1144         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1145         (lookup_avail_expr): Similarly.
1146
1147 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1148
1149         * builtins.c (fold_builtin_powi): New function.
1150         (fold_builtin_1): Call it.
1151
1152 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1153
1154         PR documentation/19309
1155         * doc/cpp.texi: The __GNUC__ and related predefined macros
1156         are also defined for the "standalone" cpp.
1157         Some non-GCC compilers may also define __GNUC__.
1158
1159 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1160
1161         PR c/19342
1162         * c-typeck.c (common_type): New routine.  Old common_type renamed
1163         to...
1164         (c_common_type): ...this.
1165         (build_conditional_expr, build_binary_op): Use c_common_type instead
1166         of common_type.
1167
1168 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1169
1170         * doc/md.texi: Replace @samp{length} with @code{length}.
1171
1172 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1173
1174         PR tree-optimization/18687
1175         * tree-flow.h (find_loop_niter): Declare.
1176         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1177         Try using scev even for loops with more than one exit.
1178         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1179         (struct ivopts_data): Added niters field.
1180         (struct nfe_cache_elt): New.
1181         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1182         functions.
1183         (tree_ssa_iv_optimize_init): Initialize niters cache.
1184         (determine_number_of_iterations): Removed.
1185         (find_induction_variables): Do not call determine_number_of_iterations.
1186         Access niters for single exit through niter_for_single_dom_exit.
1187         (add_iv_outer_candidates): Access niters for single exit through
1188         niter_for_single_dom_exit.
1189         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1190         number_of_iterations_cond.
1191         (iv_period): New function.
1192         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1193         (may_replace_final_value): Take data argument.  Use
1194         niter_for_single_dom_exit.
1195         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1196         (rewrite_use_compare): Pass data to may_eliminate_iv.
1197         (rewrite_use_outer): Pass data to may_replace_final_value.
1198         (free_loop_data): Clean up the niters cache.
1199         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1200         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1201         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1202         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1203         (num_ending_zeros): Moved to tree.c.
1204         * tree.h (num_ending_zeros): Declare.
1205         * tree.c (num_ending_zeros): Moved from tree.c.
1206
1207 2005-02-09  Richard Henderson  <rth@redhat.com>
1208
1209         * builtins.c (DEF_BUILTIN): Add COND argument.
1210         * tree.h (DEF_BUILTIN): Likewise.
1211         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1212         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1213         match.
1214         (DEF_BUILTIN_STUB): New.
1215         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1216         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1217         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1218         * c-common.c (DEF_BUILTIN): Add COND argument.
1219         * tree.c (local_define_builtin): New.
1220         (build_common_builtin_nodes): New.
1221
1222 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1223
1224         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1225         floating point expression ignoring the sign of the result.
1226         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1227         (fold) <MULT_EXPR>: Use it to simplify x*x.
1228         * tree.h (fold_strip_sign_ops): Prototype here.
1229         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1230         argument.  Use fold_strip_sign_ops to simplify the first argument.
1231         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1232         first argument when the second argument is an even integer
1233         constant, but only with -funsafe_math_optimizations.
1234         (fold_builtin_1): Update call to fold_builtin_copysign.
1235
1236 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1237
1238         PR middle-end/19583
1239         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1240         just check whether EH_FILTER_FAILURE falls through.
1241
1242 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1243
1244         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1245         insns return to ready list in the next turn.
1246
1247 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1248
1249         PR middle-end/19402
1250         * builtins.def: New __builtin_powi[lf].
1251         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1252         (expand_builtin_powi): New function.
1253         (expand_builtin): Dispatch to expand_builtin_powi.
1254         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1255         * libgcc2.c: Add __builtin_powi[lf] implementation.
1256         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1257         * optabs.h: Add powi_optab.
1258         * optabs.c (init_optabs): Initialize powi_optab.
1259         * doc/extend.texi: Document __builtin_powi[lf].
1260
1261 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1262
1263         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1264         exists.
1265
1266 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1267
1268         PR middle-end/19854
1269         * fold-const.c (try_move_mult_to_index): Remove redundant
1270         type argument.  Create ADDR_EXPR with correct type.
1271         (fold): Update callers of try_move_mult_to_index.  Convert
1272         result to the appropriate type.
1273
1274 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1275
1276         PR target/19597
1277         * config/avr/avr.c (default_rtx_costs): Delete.
1278         (avr_operand_rtx_cost): New function.
1279         (avr_rtx_costs): Completely rewrite.
1280
1281 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1282
1283         PR target/19806
1284         * config/cris/cris.c (in_code): New variable.
1285         (cris_output_addr_const): Now a static function, a wrapper for
1286         output_addr_const.
1287         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1288         case from old cris_output_addr_const.
1289         (cris_asm_output_label_ref): Similar for LABEL_REF.
1290         (cris_output_addr_const_extra): Similar for UNSPEC.
1291         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1292         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1293         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1294         declaration.
1295         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1296         (cris_asm_output_label_ref): Declare.
1297
1298 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1299
1300         PR preprocessor/19801
1301         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1302         filenames that changed when libcpp was moved to the toplevel.
1303
1304 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1305
1306         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1307         zero extensions of BImode operands.  Call lowpart_subreg instead
1308         of gen_lowpart_common and gen_lowpart_SUBREG.
1309
1310 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1311
1312         PR ada/19489
1313         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1314         * configure.ac: Set cc_for_cross_gnattools.
1315         * configure: Regenerate.
1316
1317 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1318
1319         PR target/19803
1320         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1321
1322 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1323
1324         PR debug/19327
1325         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1326         of nested functions.
1327
1328 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1329
1330         * doc/extend.texi: Document deprecated extensions allowing
1331         static floating-point members to have initializers and allowing
1332         floating-point literals in integral constant expressions.
1333
1334 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1335
1336         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1337         config/darwin7.h, config/mips/mips.c,
1338         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1339         Update copyright.
1340
1341         * cse.c: Update comments.
1342
1343 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1344
1345         PR middle-end/19775
1346         * builtins.c (fold_builtin_sqrt): Transform
1347         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1348         pow(x,y*0.5).
1349
1350 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1351             Dorit Naishlos  <dorit@il.ibm.com>
1352
1353         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1354         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1355         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1356         was added.
1357         * tree.h (vect_set_verbosity_level): New extern function declaration
1358         added.
1359         * tree-vectorizer.h (verbosity_levels): New enum type.
1360         * tree-vectorizer.c (vect_debug_stats): Function removed.
1361         (vect_debug_details): Likewise.
1362         (vect_verbosity_level): Global variable was defined and initialized.
1363         (vect_dump): Global variable definition.
1364         (vect_print_dump_info): New function.
1365         (vect_set_dump_settings): New function.
1366         (vect_set_verbosity_level): New function.
1367         (vectorize_loops): Add call to vect_set_dump_settings.
1368
1369         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1370         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1371         (slpeel_tree_peel_loop_to_edge): Likewise.
1372
1373         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1374         appropriate verbosity level instead of call to vect_debug_details
1375         or vect_debug_stats.
1376         (vect_get_base_and_offset):
1377         (vect_create_addr_base_for_vector_ref):
1378         (get_vectype_for_scalar_type):
1379         (vect_create_data_ref_ptr):
1380         (vect_init_vector):
1381         (vect_get_vec_def_for_operand):
1382         (vect_finish_stmt_generation):
1383         (vectorizable_assignment):
1384         (vectorizable_operation):
1385         (vectorizable_store):
1386         (vectorizable_load):
1387         (vect_transform_stmt):
1388         (vect_update_ivs_after_vectorizer):
1389         (vect_do_peeling_for_loop_bound):
1390         (vect_update_inits_of_drs):
1391         (vect_do_peeling_for_alignment):
1392         (vect_transform_loop):
1393         (vect_is_simple_use):
1394         (vect_analyze_operations):
1395         (vect_is_simple_iv_evolution):
1396         (vect_analyze_scalar_cycles):
1397         (vect_analyze_data_ref_dependence):
1398         (vect_analyze_data_ref_dependences):
1399         (vect_compute_data_ref_alignment):
1400         (vect_enhance_data_refs_alignment):
1401         (vect_analyze_data_refs_alignment):
1402         (vect_analyze_data_ref_access):
1403         (vect_analyze_data_ref_accesses):
1404         (vect_analyze_pointer_ref_access):
1405         (vect_get_memtag_and_dr):
1406         (vect_analyze_data_refs):
1407         (vect_mark_relevant):
1408         (vect_stmt_relevant_p):
1409         (vect_mark_stmts_to_be_vectorized):
1410         (vect_can_advance_ivs_p):
1411         (vect_get_loop_niters):
1412         (vect_analyze_loop_form):
1413         (vect_analyze_loop):
1414         (vectorize_loops): Likewise.
1415
1416         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1417         (vect_update_inits_of_drs):
1418         (vect_do_peeling_for_alignment):
1419         (vect_transform_loop):
1420         (vect_analyze_operations):
1421         (vect_analyze_scalar_cycles):
1422         (vect_analyze_data_ref_dependences):
1423         (vect_analyze_data_refs_alignment):
1424         (vect_analyze_data_ref_accesses):
1425         (vect_analyze_data_refs):
1426         (vect_mark_stmts_to_be_vectorized):
1427         (vect_get_loop_niters):
1428         (vect_analyze_loop_form):
1429         (vect_analyze_loop): Likewise.
1430         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1431
1432 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1433
1434         PR bootstrap/19796
1435         Revert:
1436         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1437         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1438         either -ffast-math or -funsafe-math-optimizations is in use.
1439
1440         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1441         * config/mips/irix-csr.c: New file.
1442         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1443         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1444         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1445         executables.
1446
1447 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1448
1449         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1450         redundant, incorrect definitions.
1451
1452         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1453         expand.
1454         ("*tls_indirect_call"): New, reference hard regs directly.
1455         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1456
1457 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1458
1459         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1460         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1461
1462 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1463
1464         PR rtl-optimization/19800
1465         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1466         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1467         gen_lowpart.
1468
1469 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1470
1471         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1472
1473 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1474
1475         PR other/17135
1476         * doc/invoke.texi: Correct documentation of -freorder-functions.
1477
1478 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1479
1480         PR other/14402
1481         * doc/invoke.texi: Don't mention gccbug.
1482
1483 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1484             Andrew Pinski  <pinskia@physics.uc.edu>
1485             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1486
1487         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1488         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1489         into just (zero_extract:SI FOO (const_int 1) BAR).
1490
1491 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1492
1493         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1494         macro locally.  Don't give last revision date.  Use GCC version
1495         number from gcc-common.texi.
1496         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1497         revision date.  Use GCC version number from gcc-common.texi.
1498         Describe being a library as current state rather than as 3.x
1499         history.
1500         * doc/gcc.texi: Remove last update date.
1501         * doc/gccint.texi: Likewise.  Update copyright dates.
1502         * doc/install.texi: Update copyright dates.
1503
1504 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1505
1506         PR other/7549
1507         * doc/invoke.texi: Mention for each option included in -Wall that
1508         it is included in -Wall.
1509         * doc/gcc.texi: Update copyright and last modification date.
1510
1511 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1512
1513         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1514         unnecessary cast to original induction variable increments.
1515
1516 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1517
1518         PR tree-optimization/18219
1519         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1520         in distributed form.
1521
1522 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1523
1524         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1525         Set bitpos and offset later in the function.  Do nothing if the
1526         target is a register and if the bitfield lies completely outside
1527         that register.
1528         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1529         here.  Return an uninitialised register if the source value is stored
1530         in a register and the bitfield lies completely outside that register.
1531
1532 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1533
1534         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1535         not SET_DEST.
1536
1537 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1538
1539         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1540
1541 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1542
1543         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1544         * config/darwin8.h: New.
1545         * config/darwin7.h: Update comment.
1546
1547 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1548             Dorit Naishlos  <dorit@il.ibm.com>
1549
1550         * tree-vectorizer.h (LOC): New type.
1551         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1552         (loop_line_number): New field in struct _loop_vec_info.
1553         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1554
1555         * tree-vectorizer.c (input.h): Included.
1556         (find_loop_location): New function.
1557         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1558         loop line number removed.
1559         (vect_debug_details): Likewise.
1560         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1561
1562         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1563         call to vect_debug_details/stats changed from loop to loop_loc.
1564         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1565         (slpeel_tree_peel_loop_to_edge): Likewise.
1566
1567         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1568         changed from NULL to UNKNOWN_LOC.
1569         (vect_get_base_and_offset):
1570         (vect_create_addr_base_for_vector_ref):
1571         (get_vectype_for_scalar_type):
1572         (vect_create_data_ref_ptr):
1573         (vect_init_vector):
1574         (vect_get_vec_def_for_operand):
1575         (vect_finish_stmt_generation):
1576         (vectorizable_assignment):
1577         (vectorizable_operation):
1578         (vectorizable_store):
1579         (vectorizable_load):
1580         (vect_transform_stmt):
1581         (vect_update_ivs_after_vectorizer):
1582         (vect_do_peeling_for_loop_bound):
1583         (vect_do_peeling_for_alignment):
1584         (vect_transform_loop):
1585         (vect_is_simple_use):
1586         (vect_analyze_operations):
1587         (vect_is_simple_iv_evolution):
1588         (vect_analyze_scalar_cycles):
1589         (vect_analyze_data_ref_dependences):
1590         (vect_compute_data_ref_alignment):
1591         (vect_enhance_data_refs_alignment):
1592         (vect_analyze_data_ref_access):
1593         (vect_analyze_data_ref_accesses):
1594         (vect_analyze_pointer_ref_access):
1595         (vect_get_memtag_and_dr):
1596         (vect_analyze_data_refs):
1597         (vect_mark_relevant):
1598         (vect_stmt_relevant_p):
1599         (vect_mark_stmts_to_be_vectorized):
1600         (vect_can_advance_ivs_p):
1601         (vect_get_loop_niters):
1602         (vect_analyze_loop):
1603         (vectorize_loops): Likewise.
1604
1605         (vectorizable_load): Argument in call to vect_debug_details/stats
1606         changed from loop to LOOP_LOC (loop_vinfo).
1607         (vect_transform_loop):
1608         (vect_analyze_operations):
1609         (vect_analyze_scalar_cycles):
1610         (vect_analyze_data_ref_dependence):
1611         (vect_enhance_data_refs_alignment):
1612         (vect_analyze_data_ref_accesses):
1613         (vect_analyze_pointer_ref_access):
1614         (vect_analyze_data_refs):
1615         (vect_analyze_loop): Likewise.
1616
1617         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1618         changed from loop to loop_loc.
1619
1620         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1621
1622 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1623             Dorit Naishlos  <dorit@il.ibm.com>
1624
1625         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1626         declaration added.
1627         (vect_analyze_data_ref_dependences): Likewise.
1628
1629         (vect_is_simple_use): Argument changed from loop structure to
1630         loop_vect_info structure.
1631         (vect_can_advance_ivs_p): Likewise.
1632         (vect_create_index_for_vector_ref): Likewise.
1633         (vect_update_ivs_after_vectorizer): Likewise.
1634         (new_stmt_vec_info): Likewise.
1635
1636         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1637         changed from loop to loop_vinfo.
1638         (vect_create_data_ref_ptr): First argument in call to
1639         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1640         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1641         was changed from loop to loop_vinfo.
1642         (vectorizable_operation): Likewise.
1643         (vectorizable_store): Likewise.
1644         (vect_mark_stmts_to_be_vectorized): Likewise.
1645         (vect_do_peeling_for_loop_bound): First argument in call to
1646         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1647         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1648         was changed from loop to loop_vinfo.
1649         (vect_analyze_data_ref_dependences): Third argument in call to
1650         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1651
1652         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1653         (vect_create_data_ref_ptr): Likewise.
1654         (vect_init_vector): Likewise.
1655         (vect_get_vec_def_for_operand): Likewise.
1656         (vectorizable_assignment): Likewise.
1657         (vectorizable_operation): Likewise.
1658         (vectorizable_store): Likewise.
1659         (vectorizable_load): Likewise.
1660         (vect_update_ivs_after_vectorizer): Likewise.
1661         (vect_is_simple_use): Likewise.
1662         (vect_analyze_data_ref_dependence): Likewise.
1663         (vect_analyze_pointer_ref_access): Likewise.
1664         (vect_can_advance_ivs_p): Likewise.
1665
1666         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1667         before _stmt_vec_info.
1668         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1669         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1670         (new_stmt_vec_info): Argument changed from loop structure to
1671         loop_vect_info structure
1672
1673         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1674         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1675         (vect_create_addr_base_for_vector_ref): Likewise.
1676         (vect_analyze_pointer_ref_access): Likewise.
1677
1678 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1679
1680         PR tree-opt/19768
1681         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1682         phi flag if the phi is abnormal.
1683
1684 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1685
1686         PR tree-opt/19736
1687         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1688         information for the new statement.
1689
1690 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1691
1692         PR driver/19117
1693         * gcc.c (main): Include the target in -v output.
1694
1695 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1696
1697         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1698         Do not drop the extend if we'd have to add a paradoxical subreg
1699         later.  Include optabs.h and insn-codes.h.
1700         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1701
1702 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1703
1704         PR middle-end/19405
1705         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1706         * fold-const.c (const_binop): Avoid constant folding floating
1707         point operations in modes that use composite representations.
1708         * simplify-rtx.c (simplify_binary_operation): Likewise.
1709
1710 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1711
1712         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1713         a REG, not a MEM.
1714         (altivec_dstt): Likewise.
1715         (altivec_dstst): Likewise.
1716         (altivec_dststt): Likewise.
1717         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1718         of first operand.
1719
1720 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1721
1722         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1723         EXPR_LOCUS from orig_cond to the new cond_stmt.
1724         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1725         the new vec_stmt.
1726
1727 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1728
1729         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1730         standard_iv_increment_position. Remove call to bsi_next
1731         (no need to bump the iterator anymore).
1732         (vect_create_index_for_vector_ref): Call
1733         standard_iv_increment_position. Remove second function argument.
1734         (vect_finish_stmt_generation): Remove call to bsi_next
1735         (no need to bump the iterator anymore).
1736         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1737         to vect_create_index_for_vector_ref.
1738
1739 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1740
1741         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1742         phis are used out of the loop.
1743
1744 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1745
1746         PR c/17807
1747         * c-decl.c (undef_nested_function): New variable.
1748         (pop_scope): Diagnose undefined nested functions.
1749         (finish_function): Don't attempt cgraph processing or genericizing
1750         if current top-level function contained an undefined nested
1751         function.  Reset undef_nested_function at the end of a top-level
1752         function.
1753
1754 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1755
1756         * tree.c (build_int_cst_type): Take sign of the value into account
1757         when deciding whether sign extend the value.
1758
1759 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1760
1761         PR c/18502
1762         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1763         (cpp_options, cc1_options): Change %{std*&ansi} to
1764         %{std*&ansi&trigraphs}.
1765
1766 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1767
1768         * cse.c: Update comments.
1769
1770 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1771
1772         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1773         arguments go on the stack.  Do not put complex doubles in odd/even
1774         pairs.
1775
1776 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1777
1778         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1779         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1780         -ftree-pre, and -fthread-jumps.
1781
1782 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1783
1784         PR tree-optimization/19578
1785         * tree-flow.h (modified_noreturn_calls): Declare.
1786         (noreturn_call_p): Declare.
1787         * tree-flow-inline.h (noreturn_call_p): New function.
1788         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1789         * tree-cfg.c (modified_noreturn_calls): New variable.
1790         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1791         that contain a mid-block noreturn call.
1792         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1793
1794 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1795
1796         * df.c (df_def_record_1, df_uses_record): Don't use
1797         DF_FOR_REGALLOC.
1798         * df.h (DF_FOR_REGALLOC): Remove.
1799
1800 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1801
1802         PR c/19435
1803         * c-typeck.c (really_start_incremental_init): Reset
1804         constructor_max_index for arrays of incomplete type.
1805
1806 2005-02-02  Jeff Law  <law@redhat.com>
1807
1808         * gcse.c (struct reg_set): Store the block index where the register
1809         was set rather than the setting insn.
1810         (record_one_set, compute_transp): Corresponding changes.
1811         (pre_insert_copy_insn): Do not call replace_one_set.
1812         (replace_one_set): Remove.
1813
1814 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1815
1816         PR other/15514
1817         * doc/gcov.texi: Fix typo.
1818
1819 2005-02-01  Richard Henderson  <rth@redhat.com
1820
1821         PR target/19680
1822         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1823         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1824         type to bool.
1825         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1826         * config/i386/i386-protos.h: Update.
1827
1828 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1829
1830         PR tree-optimization/19217
1831         * tree-cfg.c (verify_expr): Use the data field to see if TP was
1832         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
1833         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1834         that it is walking a PHI node.
1835
1836 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
1837
1838         * doc/extend.texi (Nested Functions): Update.
1839
1840 2005-02-01  Richard Henderson  <rth@redhat.com>
1841
1842         PR 19696
1843         * optabs.c (expand_copysign_absneg): Export.
1844         * optabs.h (expand_copysign_absneg): Declare.
1845         * config/rs6000/rs6000.md (copysigntf3): New.
1846
1847 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1848
1849         PR tree-optimization/19633
1850         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1851         * tree-ssa-alias.c (init_alias_info): Initialize.
1852         (merge_pointed_to_info): Set.
1853         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1854         (dump_points_to_info_for): Show value of pt_null.
1855         (struct count_ptr_d): Declare.
1856         (find_ptr_dereference): Remove.
1857         (ptr_is_dereferenced_by): Remove.
1858         (count_ptr_derefs): New local function.
1859         (count_uses_and_derefs): New local function.
1860         (compute_points_to_and_addr_escape): Call it.  If the number
1861         of dereferences is greater than zero, mark the pointer as
1862         dereferenced.  If there are fewer dereferences than uses of
1863         the pointer, the pointer's value escapes.
1864
1865 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1866
1867         PR tree-optimization/19670
1868         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1869         here...
1870         (verify_use): ... set it here, instead.
1871
1872 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
1873
1874         * doc/sourcebuild.texi (Test directives): Fix formatting.
1875
1876         * doc/sourcebuild.texi (Test directives): Describe selector
1877         expressions.
1878
1879 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
1880
1881         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1882         specific 64-bit CPUs.
1883
1884 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
1885
1886         PR target/16201
1887         * arm.c (arm_eliminable_register): New function.
1888         (adjacent_mem_locations): Don't allow eliminable registers.  Use
1889         HOST_WIDE_INT for address offsets.
1890         * arm-protos.h (arm_eliminable_register): Add prototype.
1891
1892 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1893
1894         PR optimization/15242
1895         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
1896         * basic-block.h (duplicate_computed_gotos): Add prototype.
1897         * bb-reorder.c (duplicate_computed_gotos): New function to
1898         duplicate sufficiently small blocks ending in a computed jump.
1899         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
1900         if not optimizing for size.
1901         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
1902         never do tail merging for blocks ending in a computed jump.
1903         * doc/invoke.texi: Document the max-goto-duplication-insns param.
1904
1905 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1906
1907         Patch from Richard Sandiford <rsandifo@redhat.com>
1908         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
1909         from inheriting a subreg equivalence with a non-spill register.
1910
1911         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
1912
1913 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
1914
1915         * config/frv/frv.c (movcc_fp_destination_operand): New.
1916         (gpr_or_memory_operand): Fix typo in comment.
1917         (gpr_or_memory_operand_with_scratch): New.
1918         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
1919         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
1920         movcc_fp_destination_operand.
1921         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
1922         Legitimize memory addresses using a scratch register.
1923
1924 2005-01-31  Jeff Law  <law@redhat.com>
1925
1926         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
1927         bitmap a sparse bitmap instead of a simple bitmap.
1928         (mark_def_sites_initialize_block):  Corresponding changes.
1929         (ssa_mark_def_sites_initialize_block): Likewise.
1930         (ssa_mark_phi_uses): Likewise.
1931         (mark_def_site, ssa_mark_def_sites): Likewise.
1932         (mark_def_site_blocks): Likewise.
1933         (rewrite_ssa_into_ssa): Likewise.
1934
1935         * tree-ssa-dom.c (record_cond): Pass correct variable type
1936         for last argument to htab_find_slot_with_hash.
1937
1938         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
1939         effects when optimizing 0 % X.  Do not try to optimize X % 0.
1940
1941 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
1942
1943         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
1944         1_mmalua.
1945
1946 2005-02-01  Eric Christopher  <echristo@redhat.com>
1947
1948         * config/mips/mips.c (override_options): Warn if -mint64
1949         is used.
1950         * doc/invoke.texi (MIPS Options): Document that -mint64 is
1951         deprecated.
1952
1953 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1954
1955         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
1956         timestamp.
1957         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
1958         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
1959         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
1960         (cached_regno): Initialize to INVALID_REGNUM.
1961         (cse_reg_info_table_size,
1962         cse_reg_info_table_first_uninitialized,
1963         cse_reg_info_timestamp): New.
1964         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
1965         get_cse_reg_info.
1966         (init_cse_reg_info, get_cse_reg_info_1): New.
1967         (get_cse_reg_info): Cache the last look-up.
1968         (new_basic_block): Update the code to clear mappings from
1969         registers to cse_reg_info entries.
1970         (cse_main): Call init_cse_reg_info.
1971
1972         * cse.c (get_cse_reg_info): Update a comment.
1973
1974 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1975
1976         PR c/19333
1977         * c-decl.c (start_decl): Do not warn about arrays of elements with
1978         an incomplete type here.
1979         (grokdeclarator): Do it here by making a pedwarn an error.
1980         * c-typeck.c (push_init_level): If there were previous errors with
1981         the constructor type, do not warn about braces for initializers.
1982         (process_init_element): Likewise for excess initializer elements.
1983
1984 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1985
1986         * cse.c (delete_trivially_dead_insn): Don't iterate.
1987
1988 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1989
1990         * config/rs6000/rs6000.md (copysignsf3): New expand.
1991         (copysigndf3): Likewise.
1992
1993 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1994
1995         * recog.c (constrain_operands): Only look for earlyclobber operand
1996         conflicts if an '&' constraint was seen.
1997
1998 2005-01-31  Marc Espie <espie@openbsd.org>
1999
2000         * config.gcc: Don't include embedded systems fragment, switches default
2001         debugging format to ELF.
2002         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2003         longer pick it up there.
2004
2005 2005-01-31  Dale Johannesen  <dalej@apple.com>
2006
2007         * doc/extend.texi (nested functions): Fix linkage description.
2008         Clarify that static is not allowed.
2009
2010 2005-01-31  Dale Johannesen  <dalej@apple.com>
2011
2012         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2013         (movdf_low_di):  Make work.
2014
2015 2005-01-31  Dale Johannesen  <dalej@apple.com>
2016
2017         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2018         Make work for 64 bit.
2019
2020 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2021             Dale Johannesen  <dalej@apple.com>
2022
2023         PR middle-end/19650
2024         * fold-const.c (fold_binary_op_with_conditional_arg):
2025         Make types match original operands, before STRIP_NOPS.
2026
2027 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2028
2029         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2030         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2031         (struct gcc_sigcontext): Delete.  Merge contents to..
2032         (struct gcc_ucontext): ..here.
2033         (get_sigcontext): Delete.
2034         (get_regs): New function, like get_sigcontext but return regs ptr.
2035         64-bit version finds regs from r1 to support vdso.
2036         (ppc_linux_aux_vector): New function.
2037         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2038         and vector regs.
2039
2040 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2041
2042         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2043         sizetype.
2044         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2045         redundant fold. Fix misalignment for MINUS_EXPR.
2046         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2047         (vect_analyze_pointer_ref_access): Likewise.
2048         (vect_get_memtag_and_dr): Likewise.
2049
2050 2005-01-31  Richard Henderson  <rth@redhat.com>
2051
2052         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2053         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2054         absnegdf2_i387, absnegxf2_i387): Likewise.
2055
2056 2005-01-31  Richard Henderson  <rth@redhat.com>
2057
2058         PR 19696
2059         * optabs.c (expand_copysign_absneg): New.
2060         (expand_copysign_bit): Split out from ...
2061         (expand_copysign): ... here.  Use expand_copysign_absneg.
2062
2063 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2064
2065         PR middle-end/19697
2066         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2067         constant as the second operand and a register as the third.
2068
2069 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2070
2071         PR target/19704
2072         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2073         that dllimport'd functions do not use all call-clobbered registers
2074         to pass parameters.
2075
2076 2005-01-30  Richard Henderson  <rth@redhat.com>
2077
2078         PR 19696
2079         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2080         expand_abs_nojump and generalize.  Use operand_subword and
2081         emit_no_conflict_block.  Support large modes.
2082         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2083         back to maximum.
2084         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2085         negation to subtraction.
2086         (expand_copysign): Check that the format has signed zeros.
2087         Use operand_subword and emit_no_conflict_block.  Support large modes.
2088
2089 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2090
2091         Fix PR tree-optimization/19624
2092
2093         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2094         * tree-ssa-pre.c: Add cfgloop.h.
2095         Update comment.
2096         (pre_stats): New member, constified.
2097         (inserted_exprs): New static variable.
2098         (NECESSARY): New macro.
2099         (create_expression_by_pieces): Fold the expression, and
2100         mark it as defaulting to not necessary. Also put in
2101         inserted_exprs.
2102         (fully_constant_expression): New function.
2103         (insert_into_preds_of_block): Modify to not insert phis when we
2104         are playing with induction variables.
2105         Push phis onto the inserted_exprs vector, and mark them as not
2106         necessary by default.
2107         (insert_aux): Call fully_constant_expression on eprime.
2108         If all edges produce the same value, mark it constant.
2109         (mark_operand_necessary): New function.
2110         (remove_dead_inserted_code): New function.
2111         (init_pre): Init loop optimizer to get loop info.
2112         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2113         (execute_pre): Commit edge inserts, then remove dead code.
2114
2115 2005-01-30  Richard Henderson  <rth@redhat.com>
2116
2117         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2118         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2119
2120 2005-01-30  Richard Henderson  <rth@redhat.com>
2121
2122         PR target/19700
2123         * config/i386/i386.c (ix86_expand_copysign): New.
2124         (ix86_split_copysign_const): New.
2125         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2126         rearrange op1/nmask operands.
2127         * config/i386/i386-protos.h: Update.
2128         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2129         (copysigndf3): Likewise.
2130         (copysignsf3_const, copysigndf3_const): New.
2131         (copysignsf3_var): Rename from copysignsf3, split out splitter
2132         and fix split predicate for X constraint.
2133         (copysigndf3_var): Similarly.
2134
2135 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2136
2137         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2138         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2139         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2140
2141 2005-01-29  Richard Henderson  <rth@redhat.com>
2142
2143         PR target/19690
2144         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2145         of # and * in constraints.
2146
2147 2005-01-29  Richard Henderson  <rth@redhat.com>
2148
2149         PR middle-end/19689
2150         * expr.c (store_field): Don't strip sub-mode cast when the input
2151         data is even smaller.
2152
2153 2005-01-29  Richard Henderson  <rth@redhat.com>
2154
2155         PR middle-end/19687
2156         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2157         union being empty.
2158
2159 2005-01-29  Richard Henderson  <rth@redhat.com>
2160
2161         * combine.c (make_field_assignment): Fix argument order
2162         to gen_int_mode.
2163
2164 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2165
2166         PR tree-optimization/15791
2167         * fold-const.c (extract_array_ref): New function.
2168         (fold): Fold comparisons between &a[i] and &a[j] or
2169         semantically equivalent trees.
2170
2171 2005-01-29  Jeff Law  <law@redhat.com>
2172
2173         * gcse.c (insert_expr_in_table): Revamp handling of available
2174         and anticipatable occurrence lists to avoid unnecessary list
2175         walking.
2176         (insert_set_in_table): Similarly.
2177
2178 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2179
2180         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2181         build string type.
2182         (c_build_qualified_type): Build qualified array types with
2183         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2184         * c-decl.c (c_make_fname_decl): Build unqualified array type
2185         before qualified type.
2186         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2187         type is qualified, not just if type itself is.  Don't apply
2188         qualifiers to array type when declarator is processed.  Apply
2189         qualifiers to field type whether or not it is an array type.
2190         Don't handle array types specially for applying qualifiers to
2191         variables.
2192         * c-typeck.c (composite_type): Build unqualified element type and
2193         array type when forming composite of array types.
2194         (common_pointer_type, comptypes, comp_target_types,
2195         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2196         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2197         types.
2198         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2199         (args2) in variables a1 and a2.
2200
2201 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2202
2203         * cse.c (n_elements_made, max_elements_made): Remove.
2204         (insert): Don't touch n_elements_made.
2205         (cse_main): Don't touch n_elements_made or max_elements_made.
2206
2207 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2208
2209         PR target/15384
2210         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2211         configuration part of dp-bit.c to be lost.
2212
2213 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2214
2215         * expmed.c (expand_mult_highpart_optab): When attempting to use
2216         a non-widening multiplication in a wider mode, the operands need
2217         to be converted (zero or sign extended) to that mode.
2218
2219 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2220
2221         PR middle-end/16558
2222         PR middle-end/19583
2223         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2224         through if both operands fall through.
2225
2226 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2227
2228         * cse.c (fold_rtx) <PC>: Don't optimize.
2229
2230 2005-01-28  Jeff Law  <law@redhat.com>
2231
2232         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2233         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2234
2235 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2236
2237         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2238         cse_reg_info_used_list_end): Remove.
2239         (cse_reg_info_list, cse_reg_info_list_free): New.
2240         (get_cse_reg_info): When allocating an instance of
2241         cse_reg_info, add it to the beginning of the cse_reg_info_list
2242         list.  Remove code to maintain cse_reg_info_used_list.
2243         (new_basic_block): Reset the free list to the beginning of
2244         cse_reg_info_list.
2245
2246 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2247
2248         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2249         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2250         (frv_expand_mdpackh_builtin): New function.
2251         (frv_expand_builtin): Use it to expand __MDPACKH.
2252         * doc/extend.texi (__MDPACKH): Update documentation.
2253
2254 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2255
2256         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2257         SSE_FLOAT_MODE_P for use_sse computation.
2258
2259 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2260
2261         PR target/19663
2262         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2263
2264 2005-01-27  Richard Henderson  <rth@redhat.com>
2265
2266         * builtins.c (expand_builtin_copysign): New.
2267         (expand_builtin): Call it.
2268         * genopinit.c (optabs): Add copysign_optab.
2269         * optabs.c (init_optabs): Initialize it.
2270         (expand_copysign): New.
2271         * optabs.h (OTI_copysign, copysign_optab): New.
2272         (expand_copysign): Declare.
2273
2274         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2275         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2276
2277         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2278         (ix86_expand_fp_absneg_operator): ... here.
2279         (ix86_split_copysign): New.
2280         * config/i386/i386-protos.h: Update.
2281         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2282         (copysignsf3, copysigndf3): New.
2283
2284         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2285         (copysignsf3, ncopysignsf3): New.
2286         (copysigndf3, ncopysigndf3): New.
2287         (copysignxf3, ncopysignxf3): New.
2288         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2289
2290 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2291             Kazu Hirata  <kazu@cs.umass.edu>
2292
2293         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2294         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2295         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2296         NULL_RTX.
2297
2298 2005-01-27  Jeff Law  <law@redhat.com>
2299
2300         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2301         definitions of SSA_NAMEs which are not being rewritten.
2302         (rewrite_ssa_into_ssa): Only initialize the current definition
2303         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2304         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2305         SSA_NAMEs before returning.
2306
2307 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2308
2309         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2310         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2311         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2312         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2313         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2314
2315 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2316
2317         PR middle-end/17278
2318         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2319         higher to -O2 and higher.  Likewise for tree PRE.
2320         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2321         and better.
2322
2323 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2324
2325         PR middle-end/19583
2326         * gimple-low.c (try_catch_may_fallthru): New static function.
2327         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2328         * tree-inline.c (expand_call_inline): Don't warn about reaching
2329         the end of a non-void function being inlined if the function uses
2330         a return slot.
2331
2332 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2333
2334         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2335
2336         PR c/18946
2337         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2338         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2339         (implicitly_declare): Handle error_mark_node.
2340
2341 2005-01-27  Richard Henderson  <rth@redhat.com>
2342
2343         PR tree-opt/14329
2344         * tree.h (struct tree_decl): Add debug_expr_is_from.
2345         (DECL_DEBUG_EXPR_IS_FROM): New.
2346         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2347         * dwarf2out.c (dwarf2out_var_location): Update to match.
2348         * tree-outof-ssa.c (create_temp): Likewise.
2349         * var-tracking.c (track_expr_p): Likewise.
2350         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2351         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2352         * toplev.c (default_tree_printer): Likewise.
2353
2354 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2355
2356         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2357         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2358
2359 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2360
2361         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2362         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2363         ASM_CLOBBERS): Add tree checks.
2364
2365         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2366         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2367         * c-common.def (SWITCH_STMT): Update to match.
2368         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2369         macros instead of SWITCH_EXPR ones.
2370         * c-dump.c (c_dump_tree): Likewise.
2371         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2372         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2373
2374         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2375
2376 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2377
2378         * unwind-dw2.c (execute_stack_op): Add missing cases for
2379         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2380
2381 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2382
2383         * config.gcc (Obsolete configurations): Remove 'dummy', add
2384         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2385         sparc-*-openbsd*.
2386
2387 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2388
2389         PR tree-optimization/19633
2390         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2391         CALL_EXPRs.
2392         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2393         are no call-clobbered variables.
2394         * tree-outof-ssa.c (check_replaceable): Return false for calls
2395         with side-effects.
2396
2397 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2398
2399         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2400         even for variables with NULL DECL_INITIAL.
2401
2402 2005-01-26  Stuart Hastings  <stuart@apple.com>
2403
2404         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2405
2406 2005-01-26  Richard Henderson  <rth@redhat.com>
2407
2408         PR middle-end/18008
2409         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2410         field's type.
2411         * expr.c (store_field): Strip conversions to odd-bit-sized types
2412         if the destination field width matches.
2413
2414 2005-01-26  Richard Henderson  <rth@redhat.com>
2415
2416         * c-decl.c, expmed.c, expr.c: Revert last change.
2417
2418 2005-01-26  Richard Henderson  <rth@redhat.com>
2419
2420         PR middle-end/18008
2421         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2422         field's type.
2423         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2424         if we don't need the bits above those present in the current mode.
2425         * expr.c (store_field): Strip conversions to odd-bit-sized types
2426         if the destination field width matches.
2427
2428 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2429
2430         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2431         either -ffast-math or -funsafe-math-optimizations is in use.
2432
2433 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2434
2435         PR target/19293
2436         PR target/19329
2437         * config/avr/avr.c (notice_update_cc): Only set condition code for
2438         ashrqi3 if shift count > 0.
2439         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2440         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2441         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2442         count <= 0 as a no-op, and shift count >= width by copying zero
2443         or sign bit to all bits of the result.
2444         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2445         count, with attribute "length" set to 0 and "cc" set to "none".
2446
2447 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2448
2449         * doc/invoke.texi: Document -mTLS.
2450
2451         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2452         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2453         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2454         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2455         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2456         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2457         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2458         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2459
2460         * configure.ac: Check for a TLS capable gas.
2461
2462         * configure: Regenerate.
2463
2464 2005-01-26  Richard Henderson  <rth@redhat.com>
2465
2466         PR middle-end/18008
2467         * combine.c (make_field_assignment): Simplify store to zero_extract
2468         from a source with an overlapping mask.
2469
2470 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2471
2472         2004-11-11  Eric Christopher  <echristo@redhat.com>
2473
2474         * config/frv/frv.md: Add fr400_integer automaton. Don't
2475         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2476         to TYPE_MACC.
2477
2478 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2479
2480         PR middle-end/16585
2481         * cfgbuild.c (make_edges): Do not clear or set
2482         current_function_has_computed_jump.
2483         * function.h (struct function): Remove the has_computed_jump field.
2484         (current_function_has_computed_jump): Do not define.
2485         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2486         in a computed jump.  Ignore current_function_has_computed_jump.
2487
2488 2005-01-26  Richard Henderson  <rth@redhat.com>
2489
2490         PR middle-end/19515
2491         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2492         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2493         fully initialized.
2494         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2495         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2496         objects into static storage if they have more than one non-zero value.
2497         * tree.h (categorize_ctor_elements): Update decl.
2498
2499 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2500
2501         PR middle-end/19616
2502         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2503         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2504         to this function from 2004-07-10.
2505         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2506         the current function for tail call optimizations if the address
2507         of one of it its arguments is taken.
2508
2509 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2510
2511         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2512
2513 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2514
2515         * function.c (expand_function_end): If current_function_calls_alloca,
2516         emit stack restore in a place that is reached when the function falls
2517         through at the end.
2518
2519 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2520
2521         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2522         rule to avoid matching inappropriate suffix rule.
2523
2524 2005-01-26  Jan Hubicka  <jh@suse.cz>
2525
2526         PR tree-optimization/19241
2527         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2528
2529 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2530
2531         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2532         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2533         of doubling.
2534         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2535         <sim*>: Always use crt1.o, regardless of N in simN.
2536         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2537         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2538         (CRT_CALL_STATIC_FUNCTION): Remove.
2539         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2540         use crt1.o, regardless of N in simN.
2541         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2542         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2543         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2544         case isystem setting.
2545         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2546
2547 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2548
2549         * gimple-low.c (block_may_fallthru): Correct handling of
2550         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2551
2552 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2553
2554         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2555         handlers to match indentation; nested under the mtune=* handler.
2556         Similar for mcpu= and march=.
2557
2558 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2559
2560         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2561         * config/mips/linux64.h (LIB_SPEC): Likewise.
2562         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2563         * config/sh/linux.h (LIB_SPEC): Likewise.
2564
2565 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2566
2567         * config/frv/frv.c (frv_legitimize_tls_address): New.
2568         (TARGET_HAVE_TLS): Define.
2569         (FRV_SYMBOL_REF_TLS_P): Define.
2570         (frv_override_options): Handle new register classes.
2571         (frv_legitimate_address_p): Reject tls addresses.
2572         (frv_legitimize_address): Handle TLS addresses.
2573         (gen_inlined_tls_plt): New.
2574         (gen_tlsmoff): New.
2575         (frv_legitimize_tls_address): New.
2576         (unspec_got_name): Add TLS entries.
2577         (got12_operand): Add R_FRV_TLSMOFF12 case.
2578         (frv_emit_move): Fixup TLS addresses.
2579         (frv_emit_movsi): Legitimize TLS addresses.
2580
2581         * config/frv/frv.h (MASK_BIG_TLS): New.
2582         (TARGET_BIG_TLS): New.
2583         (HAVE_AS_TLS): Define.
2584         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2585         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2586         (REG_CLASS_NAMES): Same.
2587         (REG_CLASS_CONTENTS): Same.
2588         (CONSTRAINT_LEN): New.
2589         (REG_CLASS_FROM_CONSTRAINT): New.
2590         (PREDICATE_CODES): Add symbolic_operand.
2591
2592         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2593         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2594         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2595         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2596         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2597         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2598         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2599         GR9_REG, GR14_REG, LRREG.
2600         (type): Add load_or_call attribute.
2601         ("load_or_call"): New reservation.
2602         ("call_gettlsoff"): New.
2603         ("tls_indirect_call"): New.
2604         ("tls_load_gottlsoff12"): New.
2605         ("tlsoff_hilo"): New.
2606         ("tls_tlsdesc_ldd"): New.
2607         ("tls_tlsoff_ld"): New.
2608         ("tls_lddi"): New.
2609
2610         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2611
2612         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2613
2614         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2615         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2616         * config/frv/frv.c (TLS_BIAS): Define.
2617         (frv_output_dwarf_dtprel): New.
2618
2619 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2620
2621         PR rtl-optimization/19579
2622         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2623         both A and B, see if they don't clobber registers the other expr uses.
2624
2625 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2626
2627         * real.c (do_add): Initialize signalling and canonical members.
2628
2629         * real.c (real_from_integer): Zero out destination.
2630
2631 2005-01-18  Jan Hubicka  <jh@suse.cz>
2632
2633         PR tree-optimize/19337
2634         * tree-inline.c (initialize_inlined_parameters): Copy
2635         saved_static_chain_decl only.
2636
2637 2005-01-25  Richard Henderson  <rth@redhat.com>
2638
2639         PR target/19556
2640         PR target/19584
2641         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2642         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2643         80387 enabled, to return a proper subclass.  Return the subset that
2644         overlaps with GENERAL_REGS for PLUS.
2645         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2646
2647 2005-01-25  Richard Henderson  <rth@redhat.com>
2648
2649         PR middle-end/19609
2650         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2651
2652 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2653
2654         * expmed.c (choose_multiplier): Change interface to return the
2655         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2656         (expand_divmod): Update calls to choose_multiplier.
2657
2658 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2659
2660         PR middle-end/19330
2661         * expmed.c (extract_bit_field): Use adjust_address instead of
2662         gen_lowpart when op0 is a MEM.
2663
2664 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2665
2666         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2667
2668 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2669
2670         * config/mips/irix-csr.c: New file.
2671         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2672         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2673         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2674         executables.
2675
2676 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2677
2678         PR bootstrap/19364
2679         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2680         sparc/elf.h, add sparc/sp-elf.h.
2681         (sparc-*-rtems*): Likewise.
2682         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2683         tm-dwarf2.h, add sparc/sp-elf.h.
2684         (sparc86x-*-elf): Likewise.
2685         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2686         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2687         TARGET_OS_CPP_BUILTINS.
2688         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2689         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2690         Undefine it.
2691         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2692         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2693         (SWITCH_TAKES_ARG): Likewise.
2694         (LOCAL_LABEL_PREFIX): Likewise.
2695         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2696         (TARGET_N_FORMAT_TYPES): Delete.
2697         (TARGET_FORMAT_TYPES): Likewise.
2698         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2699         * config/sparc/elf.h: Delete.
2700         * config/sparc/sp-elf.h: New file.
2701
2702 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2703
2704         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2705         * tree-flow.h: Remove the corresponding prototype.
2706         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2707         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2708
2709 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2710
2711         PR target/17751
2712         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2713         for AIX ABI or ELF -fPIC.
2714         (rs6000_emit_load_toc_table): Don't create toc_section here.
2715         (rs6000_xcoff_file_start): Nor here.
2716
2717 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2718
2719         * sh.c (ra.h): Don't #include.
2720         (hard_regs_intersect_p): New function, resurrected from ra.c.
2721
2722         * sh.c: Fix 1996 Copyright.
2723
2724 2005-01-24  Richard Henderson  <rth@redhat.com>
2725             Aldy Hernandez  <aldyh@redhat.com>
2726
2727         * regrename.c (note_sets): Handle subregs.
2728
2729 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2730
2731         PR bootstrap/18058
2732         * genconditions.c (write_header, write_conditions): Elide file if
2733         not GCC >= 3.0.1.
2734
2735 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2736
2737         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2738         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2739         Update copyright.
2740
2741 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2742
2743         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2744         expand_builtin_printf, expand_builtin_fprintf,
2745         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2746         checking against POINTER_TYPE.
2747         (validate_arglist): Handle POINTER_TYPE code by checking
2748         POINTER_TYPE_P.
2749
2750 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2751
2752         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2753         init_rtlanal): New.
2754         (for_each_rtx): Call for_each_rtx_1.
2755         * rtl.h (init_rtlanal): Declare.
2756         * toplev.c (backend_init): Call init_rtlanal.
2757
2758 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2759
2760         * flow.c (propagate_one_insn): Formatting.
2761
2762         PR middle-end/19551
2763         * flow.c (libcall_dead_p): Be more conservative if unsure.
2764         If there are any instructions between insn and call, see if they are
2765         all dead before saying the libcall is dead.
2766
2767 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2768
2769         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2770         operand constraint for operand 0.
2771
2772 2005-01-23  Richard Henderson  <rth@redhat.com>
2773
2774         PR 19486
2775         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2776         edges leading to join block.
2777
2778 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2779
2780         * expmed.c (expand_mult_highpart): Make static.  Change type of
2781         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2782         (expand_divmod): Updates calls to expand_mult_highpart by using
2783         gen_int_mode to pass a CONST_INT rtx.
2784         * rtl.h (expand_mult_highpart): Remove prototype.
2785
2786 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2787
2788         * flow.c (regset_bytes, regset_size): Remove.
2789
2790         * cfganal.c: Fix a reference to Harvey's paper.
2791
2792 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2793
2794         PR rtl-optimization/19464
2795         * tree-optimize.c (init_tree_optimization_passes): Add one more
2796         copyrename pass just before out-of-ssa.
2797
2798 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2799
2800         PR bootstrap/18058
2801         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2802         * ggc-none.c (ggc_free): Define.
2803
2804 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2805
2806         * cse.c (max_reg, max_insn_uid): Remove.
2807         (cse_main): Don't access max_reg or max_insn_uid.
2808
2809         * c-common.c (explicit_flag_signed_bitfields,
2810         lang_statement_code_p, lang_expand_function_end): Remove.
2811         * c-common.h: Remove the corresponding declarations.
2812         * c-opts.c (c_common_handle_option): Remove all write access
2813         to explicit_flag_signed_bitfields.
2814
2815         * cgraph.c (cgraph_varpool_n_nodes): Remove.
2816         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2817         * cgraph.h: Remove the corresponding declaration.
2818
2819         * gcse.c (null_pointer_info): Remove.
2820
2821 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2822             Eric Botcazou  <ebotcazou@libertysurf.fr>
2823
2824         * combine.c (simplify_logical): Only simplify logical expressions
2825         of the form ior(and(x,y),z) by the inverse distributive law if the
2826         result is cheaper than the original.
2827
2828 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2829
2830         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2831         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2832         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2833         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2834         config/freebsd-spec.h, config/arm/arm.h,
2835         config/h8300/h8300.md, config/i386/i386.md,
2836         config/i386/predicates.md, config/i386/sse.md,
2837         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2838         config/vax/vax.md: Fix comment typos.  Follow spelling
2839         conventions.
2840
2841 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2842
2843         * gengtype.c (walk_type): Produce `not equal to' compares for loop
2844         tests, instead of `less than'.
2845
2846 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
2847
2848         * function.c (assign_parm_setup_block): When creating a new stack slot
2849         for a parameter, get its alignment from the parameter's DECL_ALIGN
2850         rather than the type's TYPE_ALIGN.  Make sure that the parameter
2851         is at least word aligned.
2852
2853 2005-01-22  Roger Sayle  <roger@eyesopen.com>
2854
2855         PR middle-end/19378
2856         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2857
2858 2005-01-22  Richard Henderson  <rth@redhat.com>
2859
2860         PR target/19506
2861         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2862         in both compare operands.
2863         (movdfcc_1_sse_max): Likewise.
2864         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
2865         (movdfcc_1_sse): Likewise.
2866         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2867         scratch register as needed.
2868
2869 2005-01-22  Richard Henderson  <rth@redhat.com>
2870
2871         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2872
2873         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2874
2875 2005-01-22  Richard Henderson  <rth@redhat.com>
2876
2877         * genopinit.c (optabs): Use smin/smax for floating point too.
2878         * doc/md.texi: Update to match.  Clarify that floating point
2879         results are undefined for +0/-0 and NaN.
2880         * doc/rtl.texi: Likewise.
2881         * rtl.def (SMIN, SMAX): Likewise
2882         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2883
2884         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2885         leading 's' to the name.
2886         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2887         smaxxf3, sminxf3): Likewise.
2888         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2889         Likewise.
2890
2891 2005-01-22  Paul Brook  <paul@codesourcery.com>
2892
2893         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
2894
2895 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
2896
2897         * config/s390/s390.c (struct processor_costs): New fields
2898         dlgr, dlr, dr, dsgfr, dsgr.
2899         (z900_cost, z990_cost): Values for new fields.
2900         (s390_rtx_costs): New cases MEM und COMPARE in switch
2901         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
2902         DIV, MOD, UDIV, UMOD.
2903
2904 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2905
2906         * config/s390/s390.md ("doloop_si64"): Reload input value directly
2907         into the register being decremented.
2908         ("doloop_si31", "doloop_di"): Likewise.
2909         ("*doloop_si_long"): Adapt pattern.
2910
2911 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2912
2913         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
2914         access registers.
2915         (CLASS_MAX_NREGS): Likewise.
2916
2917 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
2918
2919         * doc/tree-ssa.texi (Statement Operands): Add example for new
2920         must-def macro. Note deprecation of old operands interface.
2921
2922 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
2923
2924         PR tree-optimization/19484
2925         * tree-cfg.c (remove_fallthru_edge): New function.
2926         (cleanup_control_flow): Remove fallthru edges from calls that are
2927         now known not to return.
2928
2929 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
2930
2931         Fix PR tree-optimization/19038
2932         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
2933         copies with loop variant ones.
2934
2935 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
2936
2937         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
2938         config/alpha/alpha-protos.h, config/alpha/alpha.h,
2939         config/alpha/alpha.md, config/alpha/predicates.md,
2940         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
2941         config/sparc/sol2.h: Update copyright.
2942
2943         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
2944         first label to see if it is a nonlocal label.
2945
2946 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
2947             Andrew Pinski  <pinskia@physics.uc.edu>
2948
2949         PR target/19491
2950         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
2951         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
2952
2953 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2954
2955         * config/rs6000/rtems.h: Update copyright.
2956
2957 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2958
2959         PR target/19548
2960         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
2961         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
2962         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
2963
2964 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2965
2966         PR c/18809
2967         * c-typeck.c (convert_arguments): Check for error_mark_node.
2968
2969 2005-01-21  Ian Lance Taylor  <ian@airs.com>
2970
2971         PR tree-optimization/13000
2972         * tree-inline.c: Include "tree-flow.h".
2973         (expand_call_inline): If warn_return_type, warn if non-void inline
2974         function falls through.
2975         * tree-cfg.c (execute_warn_function_return): Don't warn about
2976         control reaching end if TREE_NO_WARNING is set.  Set
2977         TREE_NO_WARNING.
2978         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
2979         has been lowered.
2980         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
2981         branch if we don't need one.
2982         * c-typeck.c: Include "tree-flow.h"
2983         (c_finish_bc_stmt): Don't add a goto if the current statement
2984         list doesn't fall through to the current point.
2985
2986 2005-01-21  Roger Sayle  <roger@eyesopen.com>
2987
2988         PR rtl-optimization/576
2989         * real.c (real_arithmetic): Change return type from void to bool
2990         to return an indication that the result may be inexact.
2991         * real.h (real_arithmeric): Update prototype.
2992         * fold-const.c (const_binop):  Don't constant fold floating
2993         point expressions when the user specifies -frounding-math and
2994         the result may depend upon the run-time rounding mode.
2995         (fold_convert_const_real_from_real): Clean-up.
2996         (fold_initializer): Ignore flag_rounding_math for initializers.
2997         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
2998         constant fold FP operations with flag_rounding_math if the
2999         result may depend upon the run-time rounding mode.
3000
3001 2005-01-21  Tom Tromey  <tromey@redhat.com>
3002
3003         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3004
3005 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3006
3007         * tree-cfg.c: Fix comment typos.
3008
3009 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3010
3011         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3012         around the call to rest_of_handle_branch_target_load_optimize.
3013
3014 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3015
3016         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3017         (sparc64-*-openbsd*): Likewise.
3018         (sparclite-*-elf*): Include tm-dwarf2.h.
3019         (sparc86x-*-elf*): Likewise.
3020         (sparc64-*-elf*): Likewise.
3021         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3022         (DBX_DEBUGGING_INFO): Likewise.
3023         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3024         (PREFERRED_DEBUGGING_TYPE): Likewise.
3025         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3026         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3027         (PREFERRED_DEBUGGING_TYPE): Likewise.
3028         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3029         (PREFERRED_DEBUGGING_TYPE): Likewise.
3030         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3031
3032 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3033
3034         PR target/18701
3035         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3036
3037 2005-01-20  Paul Brook  <paul@codesourcery.com>
3038
3039         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3040
3041 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3042
3043         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3044         label is first in a sequence of labels.
3045
3046         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3047
3048 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3049             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3050
3051         * doc/sourcebuild.texi (Test Directives): New.
3052
3053 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3054
3055         * real.c (real_floor): Don't leave the result uninitialized when
3056         mode is VOIDMode, but return the unrounded intermediate value.
3057         (real_ceil): Likewise.
3058
3059 2005-01-20  Paul Brook  <paul@codesourcery.com>
3060
3061         * config/arm/arm.md (insv): Use gen_int_mode.
3062
3063 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3064
3065         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3066         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3067         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3068         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3069         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3070
3071 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3072
3073         Fix PR debug/19124
3074         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3075         fbreg, so we have to assume we can't.
3076         (loc_descriptor_from_tree_1): Ditto.
3077         (containing_function_has_frame_base): New function.
3078         (add_location_or_const_value_attribute): Use it.
3079         Also try to generate a frame_base from a single element location
3080         list.
3081
3082 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3083
3084         PR tree-optimization/15349
3085         * timevar.def (TV_TREE_MERGE_PHI): New.
3086         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3087         PHI_WANTED.
3088         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3089         calls to tree_forwarder_block_p.
3090         (remove_forwarder_block_with_phi, merge_phi_nodes,
3091         gate_merge_phi, pass_merge_phi): New.
3092         * tree-optimize.c (init_tree_optimization_passes): Add
3093         pass_merge_phi.
3094         * tree-pass.h: Add an extern for pass_merge_phi;
3095
3096 2005-01-20  Richard Henderson  <rth@redhat.com>
3097
3098         PR target/19418
3099         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3100         (_mm_castps_pd, _mm_castps_si128): New.
3101         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3102
3103 2005-01-20  Richard Henderson  <rth@redhat.com>
3104
3105         PR target/19530
3106         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3107         __builtin_ia32_vec_init_v2si.
3108         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3109         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3110         (ix86_init_mmx_sse_builtins): Create it.
3111         (ix86_expand_builtin): Expand it.
3112         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3113         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3114         (vec_extractv2si_0, vec_extractv2si_1): New.
3115
3116 2005-01-20  Richard Henderson  <rth@redhat.com>
3117
3118         PR target/16533
3119         * config/i386/i386.c (ix86_expand_push): New.
3120         * config/i386/mmx.md (push<MMXMODE>1): New.
3121         * config/i386/sse.md (push<SSEMODE>1): New.
3122         * config/i386/i386-protos.h: Update.
3123
3124 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3125
3126         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3127         copyright.
3128
3129 2005-01-20  Richard Henderson  <rth@redhat.com>
3130
3131         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3132         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3133
3134 2005-01-19  Richard Henderson  <rth@redhat.com>
3135
3136         PR target/19350
3137         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3138         to V4SFmode in SSE1 fallback load path.
3139
3140 2005-01-19  Richard Henderson  <rth@redhat.com>
3141
3142         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3143         in QImode expansion to ix86_expand_vector_set.
3144         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3145
3146 2005-01-19  Richard Henderson  <rth@redhat.com>
3147
3148         PR target/19511
3149         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3150         subclass of the input class.
3151         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3152         Always true for cross-SSE1 classes.  Rationalize conditionals.
3153         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3154         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3155         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3156         (movdi_2): Add MMX/SSE zeros.
3157         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3158         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3159         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3160         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3161         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3162         (zero_extendsidi2_rex64_1): Remove.
3163         (MOV0 peephole): Check GENERAL_REG_P.
3164
3165 2005-01-19  Richard Henderson  <rth@redhat.com>
3166
3167         PR target/19427
3168         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3169         shufps elements.
3170         (ix86_expand_vector_extract): Likewise.
3171
3172 2005-01-19  Richard Henderson  <rth@redhat.com>
3173
3174         PR middle-end/19304
3175         * expr.c (emit_move_change_mode): New argument force; use
3176         simplify_gen_subreg if true.
3177         (emit_move_via_alt_mode): Merge into ...
3178         (emit_move_via_integer): ... here.
3179         (emit_move_ccmode): Use emit_move_change_mode directly.
3180
3181 2005-01-19  Richard Henderson  <rth@redhat.com>
3182
3183         PR target/19518
3184         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3185         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3186         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3187         rtl if true.
3188         (alpha_emit_set_const): Likewise.  Make static.
3189         (alpha_emit_set_long_const): Make static.
3190         (alpha_extract_integer): Split out from alpha_expand_mov.
3191         (alpha_split_const_mov): Likewise.
3192         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3193         (alpha_legitimate_constant_p): New.
3194         * config/alpha/alpha-protos.h: Update.
3195         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3196         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3197         * config/alpha/alpha.md (movsi): Add n alternative.
3198         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3199         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3200         (splitters for all of the above): Use alpha_split_const_mov.
3201         * config/alpha/predicates.md (non_add_const_operand): New.
3202         (non_zero_const_operand): New.
3203         (input_operand): Use alpha_legitimate_constant_p after reload.
3204
3205 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3206
3207         PR tree-optimization/19038
3208         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3209         (add_candidate): Add ivs with increment in latch only if
3210         allow_ip_end_pos_p is true.
3211         (determine_iv_cost): Use empty_block_p.
3212
3213 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3214
3215         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3216         (compute_dominance_frontiers): Ditto.
3217
3218 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3219
3220         PR target/19529
3221         * config/sh/t-rtems: New.
3222         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3223
3224 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3225
3226         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3227         the offset of the selected field.
3228
3229 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3230
3231         * tree-cfg.c (remove_forwarder_block): Fix the check to
3232         prevent a nonlocal label from appearing in the middle of a
3233         basic block.
3234
3235 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3236
3237         PR rtl-optimization/19462
3238         * reorg.c (find_end_label): Create return insn only if
3239         current_function_epilogue_delay_list is empty.
3240
3241 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3242
3243         * doc/passes.texi: Remove paragraph mentioning new-ra.
3244
3245 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3246
3247         PR rtl-optimization/15139
3248         * combine.c: Include params.h.
3249         (count_rtxs): New function.
3250         (record_value_for_reg): If replace_rtx would replace at least
3251         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3252         (clobber (const_int 0)) instead of TEM.
3253         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3254         * params.h (MAX_LAST_VALUE_RTL): New.
3255         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3256         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3257
3258         PR c/17297
3259         * c-typeck.c (digest_init): Only call build_vector if all constructor
3260         elements are *_CST nodes.
3261         * gimplify.c (gimplify_init_constructor): Likewise.
3262
3263         PR middle-end/19164
3264         * c-typeck.c (digest_init): Only call build_vector if inside_init
3265         is a CONSTRUCTOR.
3266
3267 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3268
3269         * toplev.c (init_asm_output): Remove dead #ifdef.
3270
3271 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3272
3273         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3274
3275 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3276
3277         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3278         accessing DECL_FUNCTION_CODE.
3279         * dojump.c (do_jump): Likewise.
3280         * gimplify.c (gimplify_call_expr): Likewise.
3281         * predict.c (expr_expected_value): Likewise.
3282         (strip_builtin_expect): Likewise.
3283         * tree-inline.c (estimate_num_insns_1): Likewise.
3284         * tree-ssa-loop-im.c (stmt_cost): Likewise
3285         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3286         (tree_expr_nonnegative_p): Likewise.
3287
3288 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3289
3290         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3291         variant of the load_pcrel_sym pattern.
3292         * config/sparc/sparc.md (P macro): Move to the top.
3293         (load_pcrel_sym): Macroize using P.
3294         (save_register_window): Likewise.
3295
3296 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3297
3298         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3299         ("sordered"): Same.
3300
3301 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3302
3303         PR C/19472
3304         * c-typeck.c (build_asm_expr): Strip nops off
3305         input memory operands.
3306
3307 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3308
3309         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3310         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3311         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3312         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3313
3314 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3315
3316         PR target/19379
3317         * config/i386/i386.c (override_options): If the 80387 is disabled,
3318         then do not return FP values using FP registers.
3319
3320 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3321
3322         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3323         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3324         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3325         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3326         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3327         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3328         output.h, postreload-gcse.c, postreload.c, recog.c,
3329         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3330         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3331         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3332         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3333         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3334         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3335         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3336         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3337
3338         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3339         config/alpha/alpha.c, config/arm/vfp.md,
3340         config/i386/emmintrin.h, config/i386/i386-modes.def,
3341         config/i386/i386-protos.h, config/i386/i386.h,
3342         config/i386/pmmintrin.h, config/i386/ppro.md,
3343         config/i386/predicates.md, config/i386/xmmintrin.h,
3344         config/i860/i860.c, config/ia64/ia64-modes.def,
3345         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3346         config/ia64/ia64.md, config/ia64/itanium1.md,
3347         config/ia64/itanium2.md, config/ia64/predicates.md,
3348         config/iq2000/iq2000.h, config/mips/linux64.h,
3349         config/rs6000/aix41.h, config/rs6000/aix43.h,
3350         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3351         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3352         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3353         config/sparc/linux64.h, config/sparc/litecoff.h,
3354         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3355         config/sparc/sparc.h, config/sparc/sparc.md,
3356         config/sparc/sysv4-only.h: Update copyright.
3357
3358 2005-01-18  Richard Henderson  <rth@redhat.com>
3359
3360         PR target/19496
3361         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3362
3363 2005-01-18  Marc Espie  <espie@openbsd.org>
3364         * config/i386/openbsdelf.h: Typo.
3365
3366 2005-01-18  Richard Henderson  <rth@redhat.com>
3367
3368         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3369         special case for sse.
3370         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3371
3372 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3373
3374         * tree-inline.c (estimate_num_insns_1): Added cases for
3375         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3376
3377 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3378
3379         PR rtl-optimization/19296
3380         * combine.c (simplify_comparison): Rewrite the condition under
3381         which a non-paradoxical SUBREG of a PLUS can be lifted when
3382         compared against a constant.
3383
3384 2005-01-18  Andi Kleen <ak@muc.de>
3385
3386         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3387         * c.opt (-Wpointer-sign): Add.
3388         * doc/invoke.texi: (-Wpointer-sign): Add.
3389
3390 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3391
3392         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3393         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3394         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3395         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3396         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3397         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3398         for TARGET_MIX_SSE_I387.
3399         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3400         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3401         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3402         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3403         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3404         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3405         TARGET_MIX_SSE_I387.
3406         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3407         from expander.
3408
3409 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3410
3411         PR target/19424
3412         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3413         Add movaps alternative for xmm reg->reg move.
3414
3415 2005-01-17  Jeff Law  <law@redhat.com>
3416
3417         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3418         at the end of the main DOM loop rather than just before DOM exits.
3419
3420 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3421
3422         PR tree-optimization/19121
3423         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3424         adding aliases to a name tag, also add them to the pointer's
3425         type tag.
3426         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3427         sensitive alias info at all.  Only check that the two pointers
3428         have compatible pointed-to sets.
3429         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3430         a pointer's type tag is a superset of the alias set of the
3431         pointer's name tag.
3432
3433 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3434
3435         PR target/19357
3436         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3437         comment to document why.
3438
3439 2005-01-17  Richard Henderson  <rth@redhat.com>
3440
3441         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3442         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3443         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3444         sse2_vmsminv2df3_finite): New.
3445         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3446         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3447         Force op1 into register.
3448
3449 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3450
3451         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3452         bubblestrap from always rebuilding build directory.
3453
3454 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3455
3456         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3457         ("*cmpmem_short"): Likewise.
3458
3459 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3460
3461         * basic-block.h: Document BB_* flags.
3462         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3463         use an sbitmap instead.
3464         * sched-rgn.c (compute_trg_info): Likewise.
3465
3466 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3467
3468         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3469         redundant target_cpu_default and extra_parts lines.  Use the default
3470         "from-abi" ISA.
3471         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3472         (SUBTARGET_EXTRA_SPECS): Delete.
3473         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3474         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3475         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3476         and "n32" for -mabi=n32.
3477
3478 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3479
3480         PR c/5675
3481         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3482         fold constant variables into initial values.
3483
3484 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3485
3486         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3487
3488         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3489         through the statements backward.
3490
3491 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3492
3493         PR middle-end/13127:
3494         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3495         a variable set to the return value of the inlined function.
3496
3497 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3498
3499         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3500         when modes are tieable.
3501
3502 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3503
3504         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3505         of pthread_create to find out if threads are enabled.
3506         * gthr-posix95.h (__gthread_active_p): Likewise.
3507
3508 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3509
3510         * common.opt (-fnew-ra): Remove.
3511         * ra*.*: Remove.
3512         * toplev.h (flag_new_regalloc): Remove.
3513         * Makefile.in (ra*.*): Don't mention.
3514         * passes.c (rest_of_handle_new_regalloc): Remove.
3515         (rest_of_handle_combine, rest_of_compilation): Always consider
3516         flag_new_regalloc as false.
3517         * doc/invoke.texi: Don't document -fnew-ra.
3518
3519 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3520
3521         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3522         last parameter to reg_scan.
3523         * loop.c (loop_optimize): Likewise.
3524         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3525         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3526         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3527         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3528         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3529         * regclass.c (reg_scan): Likewise, for the declaration.
3530         * rtl.h (reg_scan): Likewise, for the prototype.
3531
3532 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3533
3534         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3535         mark_dfs_back_edges.
3536
3537 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3538
3539         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3540         (compute_avail): Uses don't go in tmp_gen.
3541
3542 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3543
3544         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3545         loop to look for a free slot in a page entry.
3546
3547 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3548
3549         PR target/16304
3550         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3551         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3552         just before targetm.asm_out.file_end.
3553         * tree.h (process_pending_assemble_output_defs): Declare.
3554         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3555         New functions.
3556         (assemble_alias): Defer generation of assembly code for defines when
3557         TARGET_DEFERRED_OUTPUT_DEFS is true.
3558         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3559         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3560         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3561
3562 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3563
3564         PR target/19336
3565         * pa.c (pa_scalar_mode_supported_p): New function.
3566         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3567         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3568
3569         * pa-protos.h (prefetch_operand): Delete.
3570         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3571         * pa.c (prefetch_operand): Delete.
3572         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3573         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3574         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
3575         and prefetch_nocc_operand.
3576         * pa.md (prefetch): Rework to avoid reload problems handling short
3577         displacements when a cache control completer needs to be provided.
3578         (prefetch_32, prefetch_64): Delete.
3579         (prefetch_cc, prefetch_nocc): New patterns.
3580
3581 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
3582
3583         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3584
3585 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3586
3587         PR ada/19388
3588         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3589         exceeds maximum alignment for global common data.
3590         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3591         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3592
3593 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3594
3595         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3596
3597 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3598
3599         * harg-reg-set.h (reg_class_names): Prototype global array.
3600         * regclass.c (reg_class_names): Declare here and initialize to
3601         REG_CLASS_NAMES.
3602         (dump_regclass): Remove local declaration of reg_class_names.
3603         (regclass): Likewise.
3604         * cfg.c (dump_flow_info): Likewise.
3605         * ra-debug.c (reg_class_names): Likewise.
3606         * regrename.c (reg_class_names): Likewise.
3607         * reload.c (reg_class_names): Likewise.
3608         * reload1.c (spill_failure): Likewise.
3609         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3610
3611 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
3612
3613         * config/s390/s390.md ("reload_outti"): Remove predicate for
3614         output operand.  Abort if operand is not a MEM.
3615         ("reload_outdi", "reload_outdf"): Likewise.
3616
3617 2005-01-15  Marc Espie  <espie@openbsd.org>
3618
3619         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3620         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3621         * config/openbsd.h:  Fix C++ includes for native configurations.
3622         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
3623         Add trampoline support.
3624         * config/i386/openbsdelf.h: New.
3625
3626 2005-01-15  Marc Espie  <espie@openbsd.org>
3627
3628         * collect2.c (main): Explicitly parse -dynamic-linker option.
3629
3630 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
3631
3632         PR tree-optimization/19060
3633         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3634         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3635         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3636         and handle extract_range_from_cond returning false.
3637         * fold-const.c (fold): Optimize comparisons with min/max even for
3638         width > HOST_BITS_PER_WIDE_INT.
3639
3640 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
3641
3642         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3643         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
3644         Remove little endian multilib variants.
3645         Add mips32 multilib variant.
3646
3647 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
3648
3649         * explow.c (copy_all_reg, stabilize): Remove.
3650         * expr.h: Remove the corresponding prototypes.
3651
3652         * rtlanal.c (regs_set_between_p): Remove.
3653         * rtl.h: Remove the corresponding prototype.
3654
3655 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
3656
3657         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3658         to rs6000_nonimmediate_operand.
3659         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3660         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3661         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3662         rs6000_nonimmediate_operand.
3663         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3664         rs6000_nonimmediate_operand.
3665
3666 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
3667
3668         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3669
3670 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3671
3672         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3673         on e500v2.
3674         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3675         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3676
3677         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3678         (rs6k_nonimmediate_operand): New.
3679         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3680         correctly.
3681         (legitimate_lo_sum_address_p): Same.
3682         (rs6000_legitimize_address): Same.
3683         (rs6000_legitimize_reload_address): Same.
3684         (rs6000_legitimate_address): Same.
3685         (spe_build_register_parallel): Pass DF and DC modes in a DI
3686         register.
3687
3688         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3689         to rs6k_nonimmediate_operand.
3690
3691         * config/rs6000/spe.md ("*frob_df_di"): New.
3692         ("*frob_di_df"): New.
3693         ("*frob_di_df_2"): New.
3694         ("*mov_sidf_e500_subreg0"): New.
3695         ("*mov_sidf_e500_subreg4"): New.
3696         ("*movdf_e500_double"): Change predicate to
3697         rs6k_nonimmediate_operand.
3698
3699 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3700
3701         * postreload.c (move2add_note_store): Only call
3702         trunc_int_for_mode on scalar integers.
3703
3704 2005-01-14  Steven Bosscher  <stevenb@suse.de>
3705
3706         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3707         replace BB_VISITED uses.
3708         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3709         (propagate_necessity): Check the bitmap instead of BB_VISITED.
3710         (tree_dce_done): Free visited_control_parents.
3711         (perform_tree_ssa_dce): Allocate and clear it.
3712         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3713         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
3714         instead of BB_VISITED.
3715
3716 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
3717
3718         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3719         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3720         Remove unused prototypes.
3721
3722 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3723
3724         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3725         64-bit register usage.
3726         (spe_func_has_64bit_regs_p): Add FIXME note.
3727
3728 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3729
3730         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
3731         flag_finite_math_only with flag_unsafe_math_optimizations.
3732
3733 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
3734
3735         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
3736         end-of-stack check.
3737         (__tpf_eh_return): Copy TPF private stack area from the module
3738         boundary stack frame.  Add check for when module addresses are
3739         equal, but no stub address is found.
3740
3741 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
3742
3743         PR target/7525
3744         * arm.h (struct machine_function): Add call_via field.
3745         (thumb_call_via_label): Declare.
3746         * arm.c (thumb_call_via_label): New variable.
3747         (thumb_call_reg_needed): New variable.
3748         (arm_output_function_epilogue): For Thumb code, output any per-function
3749         call-indirect trampolines.
3750         (thumb_call_via_reg): New function.
3751         (arm_file_end): New function.
3752         (TARGET_ASM_FILE_END): Call arm_file_end.
3753         (aof_file_end): Likewise.
3754         * arm-protos.h (thumb_call_via_reg): Declare.
3755         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
3756         thumb_call_via_reg in normal case.
3757
3758 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
3759
3760         PR middle-end/19084
3761         PR rtl-optimization/19348
3762         * recog.c (peephole2_optimize): Do global life update if some peephole
3763         decides it doesn't need at least one of its inputs and that change
3764         influences liveness at the start of the basic block.
3765
3766         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
3767         arguments instead of 1.
3768
3769 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
3770
3771         PR middle-end/18820
3772         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
3773         zero for nested functions needing a static chain or functions
3774         with a non-constant address.
3775
3776 2005-01-13  Roger Sayle  <roger@eyesopen.com>
3777
3778         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
3779         (and (sign_extend X) C) into (zero_extend (and X C)).
3780
3781 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
3782
3783         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
3784
3785 2005-01-13  Richard Henderson  <rth@redhat.com>
3786
3787         PR target/19009
3788         PR target/19250
3789         PR target/19252
3790         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
3791         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
3792         not just TARGET_SSE.
3793         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
3794         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
3795         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
3796         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
3797         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
3798         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
3799         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
3800         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
3801         (movdicc_c_rex64): Rename with '*'.
3802         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
3803         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
3804         (movsfcc_1_387): Rename from movsfcc_1.
3805         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
3806         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
3807         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
3808         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
3809         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
3810         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
3811         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
3812         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
3813         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
3814         sse_movdfcc_const0_4): Remove.
3815         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
3816         recognize min/max early.  Update for changed sse cmove patterns.
3817         (ix86_split_sse_movcc): New.
3818         * config/i386/i386-protos.h: Update.
3819
3820 2005-01-13  Steven Bosscher  <stevenb@suse.de>
3821
3822         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
3823         (fix_stmt_v_may_defs): Likewise.
3824
3825 2005-01-13  Richard Henderson  <rth@redhat.com>
3826
3827         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
3828         for converting the mask.
3829
3830 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
3831
3832         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
3833         definition to 600.
3834
3835 2005-01-13  Richard Henderson  <rth@redhat.com>
3836
3837         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
3838         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
3839         IX86_BUILTIN_MOVDQ2Q): Remove.
3840         (IX86_BUILTIN_VEC_EXT_V4SI): New.
3841         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
3842         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
3843         shuffling.
3844         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
3845         (sse2_pextrw): Fix immediate constraint.
3846         (sse2_loadq, sse2_loadq_rex64): Remove.
3847         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
3848         Use __builtin_ia32_vec_ext_<size>.
3849         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
3850
3851 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
3852
3853         * function.c (assign_parm_setup_block): Look inside original
3854         entry_parm when inspecting PARALLEL.
3855
3856 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
3857             Joel Sherrill  <joel@oarcorp.com>
3858
3859         PR target/19399
3860         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
3861         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
3862         rtems_gxx_recursive_mutex_init.
3863         (__gthread_recursive_mutex_lock): New function.
3864         (__gthread_recursive_mutex_trylock): Likewise.
3865         (__gthread_recursive_mutex_unlock): Likewise.
3866
3867 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
3868
3869         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
3870
3871 2005-01-13  Jan Beulich  <jbeulich@novell.com>
3872
3873         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
3874         (ashrti3_internal): Indicate output is early clobber. Generate result
3875         into output rather than first input. Use move for low word of output
3876         if shift count is exactly 64.
3877         (lshrti3_internal): Likewise.
3878
3879 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
3880
3881         PR target/18329
3882         PR target/18330
3883         * reload1.c (delete_output_reload): Don't delete an output reload
3884         if the pseudo lives longer than a single basic block.  Adjust and
3885         improve wording of comment.
3886
3887 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
3888
3889         PR target/19334
3890         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
3891         of TYPE_SIZE where we mean the number of bytes.
3892
3893 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
3894
3895         * function.c (assign_parm_setup_block): Relax condition on
3896         multi-register optimization.
3897
3898 2005-01-12  Nick Clifton  <nickc@redhat.com>
3899
3900         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
3901         an "in_delay_slot" attribute of "no" to prevent them being used in
3902         delay slots.  This is forbidden because they might generate
3903         exceptions.
3904
3905 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
3906
3907         PR target/19389
3908         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
3909         with r->Y and Y->r.
3910
3911 2005-01-12  Nick Clifton  <nickc@redhat.com>
3912
3913         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
3914         passed on to GAS) but do not define, as GAS no longer supports or
3915         needs the -m2000 option.
3916
3917 2005-01-11  Roger Sayle  <roger@eyesopen.com>
3918
3919         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
3920         type as args of unprototyped builtins aren't automatically promoted.
3921         (fold_builtin_abs): Likewise.
3922
3923 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3924
3925         * Makefile.in: Set a `build-warn' variable.
3926
3927 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
3928
3929         PR tree-optimization/17949
3930         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
3931         (find_interesting_uses_address): Use it.
3932
3933 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
3934
3935         * regrename.c (kill_value): Handle subreg's that won't simplify.
3936
3937 2005-01-11  Richard Henderson  <rth@redhat.com>
3938
3939         PR target/13366
3940         * config/i386/i386.h (enum ix86_builtins): Move ...
3941         * config/i386/i386.c: ... here.
3942         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
3943         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
3944         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
3945         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
3946         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
3947         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
3948         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
3949         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
3950         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
3951         IX86_BUILTIN_LOADDDUP): Remove.
3952         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
3953         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
3954         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
3955         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
3956         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
3957         (ix86_init_builtins): Make static.
3958         (ix86_init_mmx_sse_builtins): Update for changed builtins.
3959         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
3960         if all the modes match.  Otherwise, fake it.
3961         (get_element_number, ix86_expand_vec_init_builtin,
3962         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
3963         (ix86_expand_builtin): Make static.  Update for changed builtins.
3964         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
3965         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
3966         (ix86_expand_vector_init_duplicate): New.
3967         (ix86_expand_vector_init_low_nonzero): New.
3968         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
3969         Split out from ix86_expand_vector_init; handle integer modes.
3970         (ix86_expand_vector_init): Use them.
3971         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
3972         * config/i386/i386-protos.h: Update.
3973         * config/i386/predicates.md (reg_or_0_operand): New.
3974         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
3975         (movv2sf_internal): Likewise.  And a splitter to match them all.
3976         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
3977         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
3978         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
3979         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
3980         (mmx_pinsrw): Fix operand ordering.
3981         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
3982         rather than sse_loadss expander.
3983         (movv2df splitter): Similarly.
3984         (sse_loadss, sse_loadlss): Remove.
3985         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
3986         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
3987         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
3988         (sse3_movddup): Rename with '*'.
3989         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
3990         (sse2_loadsd): Remove.
3991         (vec_dupv2df_sse3): Rename from sse3_loadddup.
3992         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
3993         (sse2_pinsrw): Fix argument ordering.
3994         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
3995         (sse2_stored): Remove 'r' destination.
3996         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
3997         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
3998         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
3999         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4000         vec_extractv16qi, vec_initv16qi): New.
4001
4002         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4003         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4004         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4005         constructor form.
4006         (_mm_load_pd, _mm_store_pd): Use plain dereference.
4007         (_mm_load_si128, _mm_store_si128): Likewise.
4008         (_mm_load1_pd): Use _mm_set1_pd.
4009         (_mm_load_sd): Use _mm_set_sd.
4010         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4011         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4012         (_mm_set_epi64): Use _mm_set_epi64x.
4013         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4014         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4015         _mm_setr_epi8): Use _mm_set_foo form.
4016         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4017         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4018         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4019         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4020         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4021         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4022         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4023         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4024         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4025         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4026         (_mm_movedup_pd): Use _mm_shuffle_pd.
4027         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4028         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4029         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4030         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4031         Use _mm_setzero_ps.
4032         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4033         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4034         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4035         (_mm_store_ps): Use raw dereference.
4036         (_mm_store1_ps): Use _mm_storeu_ps.
4037         (_mm_storer_ps): Use _mm_store_ps.
4038         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4039         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4040
4041 2005-01-11  Stan Shebs  <shebs@apple.com>
4042
4043         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4044         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4045
4046 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4047
4048         PR target/18761
4049         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4050         Skip all DECLs except for FIELD_DECLs.
4051
4052 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4053
4054         * config/s390/s390.c (override_options): Return error if
4055         -mbackchain, -mpacked-stack and -mhard-float are used together.
4056         (s390_va_start): Remove the backchain && packed-stack special case.
4057         (s390_gimplify_va_arg): Likewise.
4058         * doc/invoke.texi: Remove the ABI incompatibility note.
4059
4060 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4061
4062         * config/s390/s390.c (struct s390_frame_layout): Remove
4063         save_backchain_p.
4064         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4065         save_backchain_p with TARGET_BACKCHAIN.
4066
4067 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4068
4069         PR target/18916
4070         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4071         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4072         * function.c (locate_and_pad_parm): Set new field.
4073         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4074         Tweak where_pad test to include "none".  Always set mem align for
4075         stack_parm.