d2321110ade039ce52b7ddf31079308faa03a70d
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2
3         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
4         functions when -mid-shared-library is being used.
5
6 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7
8         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
9         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
10         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
11         * system.h: Poison LINK_LIBGCC_SPECIAL.
12
13 2005-02-23  James E Wilson  <wilson@specifixinc.com>
14
15         * gengtype.c (note_insn_name): Make 1 element larger.
16
17 2005-02-23  Roger Sayle  <roger@eyesopen.com>
18
19         PR target/20018
20         PR rtl-optimization/20097
21         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
22         BImode SUBREGs of SImode registers which confuse the ia64 backend.
23
24 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
25
26         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
27         * t-aix52 (SHLIB_INSTALL): Same.
28
29 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
30
31         * genpreds.c: Update copyright.
32
33 2005-02-23  Michael Beach  <michaelb@ieee.org>
34
35         PR target/20159
36         * config/sparc/t-elf (startup files): Assemble with CPP.
37
38 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
39
40         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
41         (write_predicate_expr): Likewise.
42
43 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
44
45         PR tree-optimization/20100
46         PR tree-optimization/20115
47         * tree-optimize.c (init_tree_optimization_passes): Remove
48         pass_maybe_create_global_var.
49         * tree-pass.h (pass_maybe_create_global_var): Remove.
50         * tree-ssa-alias.c (aliases_computed_p): Declare.
51         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
52         (count_calls_and_maybe_create_global_var): Remove.
53         (pass_maybe_create_global_var): Remove.
54         (init_alias_info): Do not declare aliases_computed_p.
55         (maybe_create_global_var): If the function contains no
56         call-clobbered variables and a mix of pure/const and regular
57         function calls, create .GLOBAL_VAR.
58         Mark all call-clobbered variables for renaming.
59         (merge_pointed_to_info): Update comment.
60         (add_pointed_to_var): Likewise.
61         (is_escape_site): Likewise.
62         Accept struct alias_info * instead of size_t *.
63         Update all users.
64         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
65         as necessary.
66         * tree-ssa-operands.c (get_call_expr_operands): If
67         ALIASES_COMPUTED_P is false, do not add call-clobbering
68         operands.
69         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
70         (delete_tree_ssa): Likewise.
71
72 2005-02-22  James E Wilson  <wilson@specifixinc.com>
73
74         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
75         (do_compile): Do call it here.
76
77 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
78
79         PR rtl-optimization/20017.
80         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
81         rest_of_handle_cse2, rest_of_handle_gcse): Call
82         delete_dead_jumptables immediately before calling cleanup_cfg.
83
84 2005-02-22  Devang Patel  <dpatel@apple.com>
85
86         PR 19952
87         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip 
88         all labels
89         
90 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
91
92         * config/rs6000/aix.h (WINT_TYPE): Define.
93
94 2005-02-22  Stan Shebs  <shebs@apple.com>
95
96         * config/rs6000/rs6000.c (rs6000_override_options): Default to
97         natural alignment for 64-bit Darwin.
98         (rs6000_parse_alignment_option): Warn about uses of -malign-power
99         on 64-bit Darwin.
100         * doc/invoke.texi: Document this.
101
102 2005-02-22  DJ Delorie  <dj@redhat.com>
103
104         * c-common.c (c_common_type_for_mode): Pass the mode's precision
105         to make_[un]signed_type, not the mode itself.
106
107 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
108
109         * cfg.c (cached_make_edge): Call make_edge if edge cache is
110         not available.  Use tail calls wherever possible.
111         (make_edge): Call unchecked_make_edge to create an edge.
112
113         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
114         (coalesce_ssa_name): Don't check for
115         SSANORM_USE_COALESCE_LIST.
116         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
117
118 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
119
120         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
121         (rewrite_into_ssa): ... here.
122
123 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
124
125         PR tree-optimization/19786
126         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
127         tag to another's may-alias bitmap when adding to the other's list.
128
129 2005-02-21  DJ Delorie  <dj@redhat.com>
130
131         * tree-ssa-loop-ivopts.c (computation_cost): Start register
132         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
133         registers in unsupported ways.
134         * expmed.c (init_expmed): Likewise.
135         
136 2005-02-21  Stan Cox  <scox@redhat.com>
137
138         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
139
140 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
141
142         * tree-cfg.c (fold_cond_expr_cond): New.
143         (make_edges): Call fold_cond_expr_cond.
144         (find_taken_edge): Accept nothing but INTEGER_CST.
145         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
146         and 1.
147         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
148
149         * flow.c (delete_dead_jumptables): Speed up by scanning insns
150         that do not belong to any basic block.
151
152 2005-02-21  Jeff Law  <law@redhat.com>
153
154         * cfganal.c (find_unreachable_blocks): Manually CSE load of
155         e->dest.
156
157 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
158
159         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
160         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
161         Adjust their definitions.
162         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
163         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
164
165         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
166         genautomata.c, langhooks.c, langhooks.h, system.h,
167         config/arm/lib1funcs.asm: Update copyright.
168
169 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
170
171         * dbxout.c (dbxout_function_end): Emit Lscope label always.
172
173 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
174
175         PR bootstrap/13770
176         * doc/install.texi: Document --with-gc.
177
178 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
179
180         * simplify-rtx.c (simplify_unary_operation): Add a missing
181         "break" statement.
182
183 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
184
185         PR tree-optimization/18663
186         * tree-ssa-dom.c (extract_range_from_cond): Return 0
187         if the type has variable bounds.
188
189 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
190
191         * gcse.c: Remove an obsolete comment.
192
193         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
194
195 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
196
197         * doc/extend.texi (Function Attributes) <Attribute const>: The
198         attribute "pure" is below this text, not above.
199
200 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
201
202         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
203         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
204         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
205
206 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
207
208         PR 18785
209         * langhooks.h (struct lang_hooks): Add to_target_charset.
210         * langhooks.c (lhd_to_target_charset): New function.
211         * langhooks-def.h: Declare lhd_to_target_charset.
212         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
213         (LANG_HOOKS_INITIALIZER): Update.
214         * c-common.c (c_common_to_target_charset): New function.
215         * c-common.h: Declare it.
216         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
217         c_common_to_target_charset.
218
219         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
220         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
221         Delete definitions.
222         * system.h: Poison them.
223         * doc/tm.texi: Don't discuss them.
224         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
225         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
226         (pp_c_char): Do not attempt to generate letter escapes for
227         newline, tab, etc.
228         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
229         * config/mips/mips.c (mips_output_ascii): Likewise.
230
231 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
232
233         PR tree-optimization/19951
234         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
235         is abnormal.
236
237 2005-02-19  Steven Bosscher  <stevenb@suse.de>
238
239         PR middle-end/19698
240         * function.h (struct function): New field `max_loop_depth'.
241         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
242         (flow_loops_find): Reset the max loop depth count before finding loops.
243         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
244         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
245         (calculate_global_regs_live): Make sure the loop will terminate
246         when the initial sets are not empty.
247
248 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
249
250         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
251         object inside.
252         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
253
254 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
255
256         PR other/19525
257         * doc/invoke.texi: Remove documentation of %M spec.
258         * gcc.c: Likewise.
259         (init_spec): Remove %M suffix from -lgcc_s.
260         (do_spec_1): Remove 'M' case.
261         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
262         to put shared libraries in the multilib directory.  Remove the
263         shlib_so_soname substitution variable.  Don't add a multilib encoding
264         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
265         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
266         SHLIB_INSTALL as well as SHLIB_LINK.
267         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
268         (SHLIB_NAME): Delete.
269         (SHLIB_DIR): New macro.
270         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
271         (SHLIB_INSTALL): Adjust accordingly.
272         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
273         * config/t-slibgcc-sld: Likewise.
274         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
275         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
276         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
277         in $(SHLIB_DIR).
278         (SHLIBUNWIND_INSTALL): Adjust accordingly.
279         * config/i386/t-nwld (SHLIB_SONAME): Delete.
280         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
281         Use @shlib_base_name@ instead of @shlib_so_name@.
282         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
283         and @shlib_base_name@.so in @multilib_dir@.
284         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
285         to the install path.
286         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
287         (SHLIB_LINK): Remove previous workaround.
288         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
289         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
290         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
291         the install path.
292         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
293         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
294         (SHLIB_INSTALL): Adjust accordingly.
295         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
296         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
297         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
298         config/t-slibgcc-elf-ver.
299
300 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
301             Jakub Jelinek  <jakub@redhat.com>
302
303         PR tree-optimization/19828
304         * tree-ssa-loop-im.c: Add a TODO comment.
305         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
306         without side-effects.
307
308 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
309
310         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
311         call fold_convert.
312
313 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
314
315         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
316         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
317         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
318         functions.
319         (ia64_reorg): Delete fixup_errata call.
320         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
321         (TARGET_SWITCHES): Delete -mb-step entry.
322
323 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
324
325         PR c/20043
326         * c-typeck.c (composite_type): Handle quals in transparent unions.
327         (type_lists_compatible_p): Likewise.
328
329 2005-02-18  Stan Shebs  <shebs@apple.com>
330
331         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
332         expressions in the .literal8 section.
333
334 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
335
336         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
337
338 2005-02-18  Roger Sayle  <roger@eyesopen.com>
339
340         * fold-const.c (constant_boolean_node): Always create values of the
341         specified type, don't bother calling truthvalue_conversion.
342
343 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
344
345         * except.c (output_function_exception_table): Call
346         assemble_external_libcall (eh_personality_libfunc).
347
348 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
349
350         PR target/19886
351         * config/ia64/ia64.h (struct machine_function): Add state_num.
352         * config/ia64/ia64.c (process_epilogue,
353         process_for_unwind_directive): Use new unwind state numbers each
354         time rather than state 1.
355
356 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
357
358         PR target/20054
359         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
360         before the "*llgt_didi" pattern.
361
362 2005-02-18  Jason Merrill  <jason@redhat.com>
363
364         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
365
366 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
367
368         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
369         (div0): Use it in place of ARM_FUNC_ALIAS.
370         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
371
372 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
373
374         PR middle-end/20030
375         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
376         access, the lower bound of the array type if it exists.
377
378 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
379
380         PR c++/20008
381         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
382         cases that are out-of-range for the index type.
383
384 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
385
386         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
387         (estimate_case_costs): Don't call convert.
388         * expmed.c (expand_shift): Likewise.
389         (make_tree): Call fold_convert instead of convert.
390
391 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
392
393         PR c++/19813
394         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
395         that ref to be marked MEM_READONLY_P doesn't have base that needs
396         constructing.
397
398 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
399
400         * genautomata.c (output_get_cpu_unit_code_func,
401         output_cpu_unit_reservation_p): Don't generate old-style function
402         definitions.
403
404 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
405
406         PR c++/20023
407         PR tree-optimization/20009
408         * convert.c (convert_to_integer): Revert 2005-02-16 change.
409
410         PR tree-optimization/18947
411         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
412         inline, remove all nodes that are inlined into the extern inline
413         being redefined.
414
415 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
416
417         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
418         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
419         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
420         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
421         Update copyright.
422
423 2005-02-17  Roger Sayle  <roger@eyesopen.com>
424
425         PR tree-optimization/19917
426         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
427         to be potentially trapping.
428
429 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
430
431         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
432
433 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
434
435         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
436         tem becomes a local variable which is set to the value of the
437         back end defined INITIAL_FRAME_ADDRESS macro.
438         (expand_builtin_frame_address): Omit the base parameter to
439         expand_builtin_return_addr.
440         (expand_builtin_profile_func): Likewise.
441         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
442         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
443         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
444
445 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
446
447         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
448         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
449         * config/frv/frv.c (frv_function_epilogue): Likewise.
450
451 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
452
453         * lambda-code (perfect_nestify): Remove mark/unmark
454         for rewriting hack.
455         * tree-loop-linear.c (linear_transform_loops): Add
456         rewrite_into_ssa call so that ssa is correct for
457         rewriting into loop closed.
458
459 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
460
461         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
462         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
463         BITMAP_FREE.
464         * bt-load.c (btr_def_live_range, combine_btr_defs,
465         migrate_btr_def, migrate_btr_defs): Likewise.
466         * cfgcleanup.c (thread_jump): Likewise.
467         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
468         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
469         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
470         df_rd_local_compute, df_reg_info_compute): Likewise.
471         * dominance.c (init_dom_info, free_dom_info): Likewise.
472         * flow.c (init_propagate_block_info,
473         free_propagate_block_info): Likewise.
474         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
475         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
476         modify_reg_pav): Likewise.
477         * loop-invariant.c (find_defs, find_invariant_insn,
478         find_invariants, free_inv_motion_data): Likewise.
479         * predict.c (tree_predict_by_opcode,
480         estimate_bb_frequencies): Likewise.
481         * stmt.c (expand_case): Likewise.
482         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
483         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
484         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
485         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
486         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
487         rewrite_ssa_into_ssa): Likewise.
488         * tree-optimize.c (tree_rest_of_compilation): Likewise.
489         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
490         analyze_edges_for_bb, perform_edge_inserts): Likewise.
491         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
492         * tree-sra.c (tree_sra): Likewise.
493         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
494         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
495         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
496         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
497         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
498         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
499         Likewise.
500         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
501         calculate_live_on_entry, calculate_live_on_exit,
502         build_tree_conflict_graph): Likewise.
503         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
504         record_important_candidates, set_use_iv_cost, find_depends,
505         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
506         tree_ssa_iv_optimize_finalize): Likewise.
507         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
508         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
509         tree_duplicate_loop_to_header_edge): Likewise.
510         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
511         * tree-ssa.c (verify_flow_insensitive_alias_info,
512         verify_name_tags, verify_ssa, init_tree_ssa,
513         delete_tree_ssa): Likewise.
514         * tree-ssanames.c (marked_ssa_names, init_ssanames,
515         fini_ssanames): Likewise.
516         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
517
518 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
519
520         * config/rs6000/t-rtems: Completely reworked.
521
522 2005-02-17  Ira Rosen  <irar@il.ibm.com>
523
524         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
525
526 2005-02-17  Ira Rosen  <irar@il.ibm.com>
527
528         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
529         POINTER_TYPE_P when checking that type is a pointer.
530         (vect_get_memtag): Remove.
531         (vect_address_analysis): Use POINTER_TYPE_P. Call
532         vect_object_analysis with dummy parameter for memtag.
533         (vect_object_analysis): Extract memtag (functionality that
534         used to be in vect_get_memtag and moved here). Fix printings.
535         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
536         with correct parameters. Remove call to vect_get_memtag.
537
538 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
539
540         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
541         (tree-vectorizer.o): Added missing dependencies.
542
543         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
544         decleration.
545         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
546         declaration in tree-vectorizer.c, now has an extern declaration in
547         tree-vectorizer.h).
548         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
549         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
550         get_vectype_for_scalar_type, vect_is_simple_use,
551         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
552         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
553         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
554         vectorizable_store, vectorizable_operation, vectorizable_assignment,
555         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
556         find_loop_location): Likewise.
557
558         * tree-vectorizer.c (langhooks.h): #include removed.
559         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
560         moved to tree-vectorized.h.
561         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
562         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
563         get_vectype_for_scalar_type, vect_is_simple_use,
564         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
565         vect_supportable_dr_alignment, new_loop_vec_info,
566         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
567         vect_set_verbosity_level, find_loop_location): Likewise.
568
569         (vect_analyze_loop): Function externalized. Declaration moved to
570         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
571         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
572         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
573         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
574         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
575         vect_enhance_data_refs_alignment, vect_analyze_operations,
576         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
577         vect_stmt_relevant_p, vect_get_loop_niters,
578         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
579         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
580         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
581         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
582         vect_get_memtag): Likewise.
583
584         (vectorizable_load): Function externalized. Declaration moved to
585         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
586         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
587         vect_transform_loop): Likewise.
588         (vect_transform_stmt): Moved to tree-vect-transform.c.
589         (vect_align_data_ref, vect_create_destination_var,
590         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
591         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
592         vect_get_vec_def_for_operand, vect_init_vector,
593         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
594         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
595         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
596         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
597         vect_do_peeling_for_loop_bound): Likewise.
598
599         * tree-vect-analyze.c: New file.
600         * tree-vect-transform.c: New file.
601
602 2005-02-17  Jason Merrill  <jason@redhat.com>
603
604         PR mudflap/19319, c++/19317
605         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
606         slot explicit.
607
608 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
609
610         * doc/install.texi (Specific): Update link for Darwin-specific
611         tool binary site.
612
613 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
614
615         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
616         constant_boolean_node.
617
618 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
619
620         PR target/19019
621         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
622         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
623
624 2005-02-16  Richard Henderson  <rth@redhat.com>
625
626         PR 19920
627         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
628         with W_TYPE_SIZE.
629         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
630         replace uses with Wtype_MAXp1_F.
631         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
632         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
633         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
634         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
635         and HAVE_TFMODE as appropriate.
636         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
637         (__floatdisf): Likewise.
638         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
639         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
640         (Wtype_MAXp1_F): New.
641         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
642         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
643
644 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
645
646         * PR target/19162
647         * arm.c (arm_apply_result_size): New function.
648         * arm.h (APPLY_RESULT_SIZE): Define.
649         * arm-protos.h (arm_apply_result_size): Add prototype.
650         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
651         (movxf): New expand.
652         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
653         (call_value_symbol): Remove predicate for operand 0.
654         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
655         (untyped_call): Rework to correclty return values for any type.
656         (untyped_return): New expand.
657         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
658
659 2005-02-16  Stan Shebs  <shebs@apple.com>
660
661         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
662         * config/rs6000/t-darwin8: New, for 64-bit multilib.
663
664 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
665
666         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
667         configure settings on Solaris 7 and later.
668
669 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
670
671         PR tree-optimization/19865
672         * tree-optimize.c (init_tree_optimization_passes): Run
673         pass_may_alias after pass_sra.
674
675 2005-02-16  Richard Henderson  <rth@redhat.com>
676             Stuart Hastings  <stuart@apple.com>
677
678         PR debug/19521
679         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
680         Do nothing if debug info suppressed for this function.
681         (dbxout_begin_function): Early exit if debug info suppressed for
682         this function.
683
684 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
685
686         PR target/20007
687         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
688         find_basic_blocks.
689         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
690
691         PR tree-optimization/19967
692         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
693         expand_builtin_strchr, expand_builtin_strrchr): Take a new
694         argument TYPE.  Adjust calls to fold_builtin_XXX.
695         (expand_builtin, fold_builtin_1): Adjust calls to
696         expand_builtin_XXX.
697         (fold_builtin_strchr, fold_builtin_strpbrk,
698         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
699         result to a requested type TYPE.
700
701 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
702
703         PR middle-end/19857
704         * fold-const.c (fold): Don't optimize (T)(x & cst) to
705         (T)x & (T)cst if (T)cst overflows.
706         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
707         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
708
709 2005-02-15  Jeff Law  <law@redhat.com>
710
711         * gcse.c (blocks_with_calls): New bitmap.
712         (alloc_gcse_mem): Allocate it.
713         (free_gcse_mem): Free it.
714         (clear_modifY_mem_tables): Clear it.
715         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
716         when we encounter CALL_INSNs.
717         (compute_transp, case MEM): Handle blocks with calls separate
718         from blocks without calls.  Use bitmap iterators rather than
719         FOR_EACH_BB.
720
721 2005-02-15  Peter O'Gorman  <peter@pogma.com>
722
723         PR bootstrap/18810
724         * mklibgcc.in (vis_hide): Use a temporary object file, not
725         -o /dev/null.
726
727 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
728
729         PR target/19924
730         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
731         access optimization.
732
733 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
734             Alan Modra  <amodra@bigpond.net.au>
735
736         PR target/19019
737         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
738         (_xlqsub): Rename to __gcc_qsub.
739         (_xlqmul): Rename to __gcc_qmul.
740         (_xlqdiv): Rename to __gcc_qdiv.
741         Provide versioned symbol aliases with old names.
742         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
743         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
744         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
745         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
746         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
747
748 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
749
750         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
751         Fold ~(A - 1) and ~(A + -1) to -A.
752
753 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
754
755         PR pch/14940
756         PR target/19300
757         * config/host-linux.c (linux_gt_pch_use_address): Copy from
758         config/pa/pa-host.c:pa_gt_pch_use_address.
759
760 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
761
762         * tree-vn.c (get_value_handle): Make sure that given an
763         is_gimple_min_invariant expression, we always return it.
764
765 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
766
767         * passes.c (rest_of_handle_gcse): Fix a comment.
768
769 2005-02-15  Jeff Law  <law@redhat.com>
770
771         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
772         bitmap.
773         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
774         (canon_list_insert, record_last_mem_set_info): Similarly.
775         (clear_modify_mem_tables): Similarly.
776
777 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
778
779         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
780         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
781         config/mips/mips.md, config/rs6000/aix.h,
782         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
783
784 2005-02-15  Richard Henderson  <rth@redhat.com>
785
786         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
787         call to be best_edge.
788
789 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
790
791         * basic-block.h: Adjust the prototype for find_basic_blocks.
792         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
793         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
794         find_basic_blocks.
795
796         * flow.c (recompute_reg_usage): Remove all arguments.
797         * passes.c (rest_of_compilation): Adjust the call to
798         recompute_reg_usage.
799         * rtl.h: Adjust the prototype for recompute_reg_usage.
800
801 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
802
803         * tree-dump.c (dump_files): Update to reflect new member
804         of dump_file_info.
805         (dump_register): Add new argument.
806         Set glob name.
807         (dump_switch_p_1): Check against glob name if doglob was passed.
808         (dump_switch_p): Check against regular first, then glob if
809         we didn't have any hits on the dump name.
810         * tree-optimize.c (register_one_dump_file):
811         Pass in glob name as well.
812         * tree-pass.h (struct dump_file_info): Add glob
813         member.
814
815 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
816
817         PR preprocessor/16323
818         * doc/invoke.texi: Document that -Wendif-labels is on by default.
819
820 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
821
822         PR target/19019
823         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
824         (trunctfdf2_internal1): New.
825         (trunctfdf2_internal2): Renamed from trunctfdf2.
826
827 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
828
829         PR tree-optimization/19853
830         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
831
832 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
833
834         * passes.c (rest_of_handle_loop_optimize): Remove calls to
835         delete_dead_jumptables and cleanup_cfg.
836
837 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
838
839         * reload.c (find_reloads): Swap address_reloaded flags when
840         swapping commutative operands.
841
842 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
843
844         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
845         Use standard_iv_increment_position for computing the bsi position
846         for create_iv.
847         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
848         the bsi position.
849
850 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
851
852         PR target/17428
853         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
854         life range of hard registers.
855         * value-prof.c (insn_prefetch_values_to_profile): Only
856         scan normal insns.
857
858         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
859         profile in libcalls.
860
861 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
862
863         * bitmap.h (bitmap_and_compl_into): Return bool.
864         * bitmap.c (bitmap_and_compl_into): Return changed flag.
865
866 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
867
868         PR tree-optimization/19944
869         * fold-const.c (fold): Re-add ABS_EXPR folding.
870
871 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
872
873         PR target/19019
874         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
875         {TARGET,MASK}_XL_COMPAT.
876         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
877         MASK_XL_COMPAT.
878         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
879         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
880         TARGET_XL_COMPAT.
881         (rs6000_arg_partial_bytes): Same.
882         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
883         and XL compatibility enabled.
884         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
885         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
886         test to final condition.
887         (cmptf_internal2): New.
888         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
889         xl-compat.  Add TFmode information to description.
890
891 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
892
893         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
894
895 2005-02-13  Jason Merrill  <jason@redhat.com>
896
897         PR c++/16405
898         * fold-const.c (fold_indirect_ref_1): Split out from...
899         (build_fold_indirect_ref): Here.
900         (fold_indirect_ref): New fn.
901         * tree.h: Declare it.
902         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
903         (gimplify_modify_expr_rhs): Likewise.
904         (gimplify_expr): Likewise.
905
906 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
907
908         PR tree-optimization/14303
909         PR tree-optimization/15784
910         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
911         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
912         ABS_EXPR<x> != 0 to x != 0.
913
914 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
915
916         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
917         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
918         spelling conventions.
919
920         * passes.c (rest_of_handle_gcse): Don't run cse_main and
921         delete_trivially_dead_insns too many times.
922
923         * passes.c (rest_of_handle_gcse): Remove dead assignments to
924         tem and tem2.
925
926 2005-02-12  Ira Rosen  <irar@il.ibm.com>
927
928         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
929         (vect_is_simple_iv_evolution): Remove redundant parameter
930         and step check.
931         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
932         without last parameter.
933         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
934         Return pointer step. Call vect_is_simple_iv_evolution without
935         last parameter. Check only that the step is multiple of size
936         type. Remove stmt_vinfo updates.
937         (vect_get_memtag_and_dr): Remove.
938         (vect_get_memtag): New function.
939         (vect_address_analysis): New function.
940         (vect_object_analysis): New function.
941         (vect_analyze_data_refs): Call vect_object_analysis and
942         vect_get_memtag. Update stmt_vinfo fields.
943
944 2005-02-12  Ira Rosen  <irar@il.ibm.com>
945
946         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
947         exist and are objects. Remove checks for pointer.
948         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
949         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
950         (vect_create_data_ref_ptr): Likewise.
951         (vect_base_addr_differ_p): New function.
952         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
953         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
954         Don't set the DR_BASE_NAME field of data-ref.
955         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
956
957 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
958
959         * optabs.h (enum optab_index): Add new OTI_ldexp.
960         (ldexp_optab): Define corresponding macro.
961         * optabs.c (init_optabs): Initialize ldexp_optab.
962         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
963         patterns.
964         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
965         using ldexp_optab.
966         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
967         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
968
969         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
970         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
971         intrinsics.
972
973 2005-02-12  Ira Rosen  <irar@il.ibm.com>
974
975         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
976         to base_address.
977         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
978         stmt_vec_info.
979         (vect_get_base_and_offset): Always return an address.
980         (vect_create_addr_base_for_vector_ref): Remove treatment for
981         different data reference types.
982         (vect_compute_data_ref_alignment): Rename base to base_address in
983         stmt_vec_info. Get the object in order to force its alignment.
984         (vect_get_memtag_and_dr): Rename base to base_address in
985         stmt_vec_info. Extract the object for memtag analysis.
986
987 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
988
989         PR regression/19898.
990         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
991         changes cc_status, use apply modified_in_p to part of cc_status
992         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
993         body.
994
995 2005-02-11  Richard Henderson  <rth@redhat.com>
996
997         * tree-complex.c (expand_complex_libcall): New.
998         (expand_complex_multiplication): Use it for c99 compliance.
999         (expand_complex_division): Likewise.
1000         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1001         (fold): Call them.
1002         * builtins.c (built_in_names): Remove const.
1003         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1004         builtins.
1005         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1006         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1007         (built_in_names): Remove const.
1008         * c-common.c (c_common_type_for_mode): Handle complex modes.
1009         * flags.h, toplev.c (flag_complex_method): Rename from
1010         flag_complex_divide_method.
1011         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1012         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1013         * libgcc2.h: Declare them.
1014         * libgcc-std.ver: Export them.
1015         * mklibgcc.in (lib2funcs): Build them.
1016
1017 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1018
1019         PR tree-optimization/19876
1020         Partially revert my change from 2005-01-14
1021         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1022         (compute_antic): ...and remove the loop here.
1023
1024 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1025
1026         PR middle-end/19858
1027         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1028         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1029
1030         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1031         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1032
1033 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1034
1035         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1036         offsets for the big-endian 32-bit case.
1037
1038 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1039
1040         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1041
1042 2005-02-11  Dale Johannesen  <dalej@apple.com>
1043
1044         * cselib.c (cselib_process_insn):  Clear out regs where
1045         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1046         * reload.c (find_equiv_reg): Ditto.
1047
1048 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1049
1050         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1051         with no elements.
1052
1053         * tree.c (build_function_type_list): Work correctly if there are
1054         no arguments.
1055
1056 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1057
1058         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1059         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1060         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1061         TARGET_ZARCH instead of TARGET_64BIT.
1062
1063 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1064
1065         * config/rs6000/t-rtems:
1066         (MULTILIB_OPTIONS): Remove mcpu=602.
1067         (MUTLILIB_DIRNAMES): Remove m602.
1068         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1069         Let mcpu=602 match mcpu=603.
1070         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1071
1072 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1073
1074         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1075         signal trampolines.
1076
1077 2005-02-10  David Daney  <ddaney@avtrex.com>
1078
1079         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1080         * config/i386/linux-unwind.h: Likewise.
1081         * config/ia64/linux-unwind.h: Likewise.
1082         * config/mips/linux-unwind.h: Likewise.
1083         * config/pa/linux-unwind.h: Likewise.
1084         * config/rs6000/linux-unwind.h: Likewise.
1085         * config/s390/linux-unwind.h: Likewise.
1086         * config/sh/linux-unwind.h: Likewise.
1087         * config/sparc/linux-unwind.h: Likewise.
1088
1089 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1090
1091         PR tree-optimization/17549
1092         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1093         TER to replace a DEF with its expression if the DEF and the
1094         rhs of the expression we replace into have the same root
1095         variable.
1096
1097 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1098
1099         * config/mips/mips.md: Fix the placement of the match_scratch in the
1100         lea64 peephole2.
1101
1102 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1103
1104         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1105         Fix comment typos.
1106
1107 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1108
1109         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1110         (strip_offset): Handle addresses.
1111         (add_address_candidates): Use strip_offset.
1112         (difference_cost): Reflect strip_offset change.
1113         (force_var_cost, difference_cost): Strip nops.
1114
1115 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1116
1117         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1118
1119         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1120         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1121         config/cris/cris-protos.h, config/cris/cris.c: Update
1122         copyright.
1123
1124 2005-02-10  Jeff Law  <law@redhat.com>
1125
1126         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1127         (lookup_avail_expr): Similarly.
1128
1129 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1130
1131         * builtins.c (fold_builtin_powi): New function.
1132         (fold_builtin_1): Call it.
1133
1134 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1135
1136         PR documentation/19309
1137         * doc/cpp.texi: The __GNUC__ and related predefined macros
1138         are also defined for the "standalone" cpp.
1139         Some non-GCC compilers may also define __GNUC__.
1140
1141 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1142
1143         PR c/19342
1144         * c-typeck.c (common_type): New routine.  Old common_type renamed
1145         to...
1146         (c_common_type): ...this.
1147         (build_conditional_expr, build_binary_op): Use c_common_type instead
1148         of common_type.
1149
1150 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1151
1152         * doc/md.texi: Replace @samp{length} with @code{length}.
1153
1154 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1155
1156         PR tree-optimization/18687
1157         * tree-flow.h (find_loop_niter): Declare.
1158         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1159         Try using scev even for loops with more than one exit.
1160         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1161         (struct ivopts_data): Added niters field.
1162         (struct nfe_cache_elt): New.
1163         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1164         functions.
1165         (tree_ssa_iv_optimize_init): Initialize niters cache.
1166         (determine_number_of_iterations): Removed.
1167         (find_induction_variables): Do not call determine_number_of_iterations.
1168         Access niters for single exit through niter_for_single_dom_exit.
1169         (add_iv_outer_candidates): Access niters for single exit through
1170         niter_for_single_dom_exit.
1171         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1172         number_of_iterations_cond.
1173         (iv_period): New function.
1174         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1175         (may_replace_final_value): Take data argument.  Use
1176         niter_for_single_dom_exit.
1177         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1178         (rewrite_use_compare): Pass data to may_eliminate_iv.
1179         (rewrite_use_outer): Pass data to may_replace_final_value.
1180         (free_loop_data): Clean up the niters cache.
1181         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1182         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1183         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1184         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1185         (num_ending_zeros): Moved to tree.c.
1186         * tree.h (num_ending_zeros): Declare.
1187         * tree.c (num_ending_zeros): Moved from tree.c.
1188
1189 2005-02-09  Richard Henderson  <rth@redhat.com>
1190
1191         * builtins.c (DEF_BUILTIN): Add COND argument.
1192         * tree.h (DEF_BUILTIN): Likewise.
1193         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1194         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1195         match.
1196         (DEF_BUILTIN_STUB): New.
1197         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1198         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1199         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1200         * c-common.c (DEF_BUILTIN): Add COND argument.
1201         * tree.c (local_define_builtin): New.
1202         (build_common_builtin_nodes): New.
1203
1204 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1205
1206         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1207         floating point expression ignoring the sign of the result.
1208         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1209         (fold) <MULT_EXPR>: Use it to simplify x*x.
1210         * tree.h (fold_strip_sign_ops): Prototype here.
1211         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1212         argument.  Use fold_strip_sign_ops to simplify the first argument.
1213         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1214         first argument when the second argument is an even integer
1215         constant, but only with -funsafe_math_optimizations.
1216         (fold_builtin_1): Update call to fold_builtin_copysign.
1217
1218 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1219
1220         PR middle-end/19583
1221         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1222         just check whether EH_FILTER_FAILURE falls through.
1223
1224 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1225
1226         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1227         insns return to ready list in the next turn.
1228
1229 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1230
1231         PR middle-end/19402
1232         * builtins.def: New __builtin_powi[lf].
1233         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1234         (expand_builtin_powi): New function.
1235         (expand_builtin): Dispatch to expand_builtin_powi.
1236         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1237         * libgcc2.c: Add __builtin_powi[lf] implementation.
1238         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1239         * optabs.h: Add powi_optab.
1240         * optabs.c (init_optabs): Initialize powi_optab.
1241         * doc/extend.texi: Document __builtin_powi[lf].
1242
1243 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1244
1245         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1246         exists.
1247
1248 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1249
1250         PR middle-end/19854
1251         * fold-const.c (try_move_mult_to_index): Remove redundant
1252         type argument.  Create ADDR_EXPR with correct type.
1253         (fold): Update callers of try_move_mult_to_index.  Convert
1254         result to the appropriate type.
1255
1256 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1257
1258         PR target/19597
1259         * config/avr/avr.c (default_rtx_costs): Delete.
1260         (avr_operand_rtx_cost): New function.
1261         (avr_rtx_costs): Completely rewrite.
1262
1263 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1264
1265         PR target/19806
1266         * config/cris/cris.c (in_code): New variable.
1267         (cris_output_addr_const): Now a static function, a wrapper for
1268         output_addr_const.
1269         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1270         case from old cris_output_addr_const.
1271         (cris_asm_output_label_ref): Similar for LABEL_REF.
1272         (cris_output_addr_const_extra): Similar for UNSPEC.
1273         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1274         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1275         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1276         declaration.
1277         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1278         (cris_asm_output_label_ref): Declare.
1279
1280 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1281
1282         PR preprocessor/19801
1283         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1284         filenames that changed when libcpp was moved to the toplevel.
1285
1286 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1287
1288         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1289         zero extensions of BImode operands.  Call lowpart_subreg instead
1290         of gen_lowpart_common and gen_lowpart_SUBREG.
1291
1292 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1293
1294         PR ada/19489
1295         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1296         * configure.ac: Set cc_for_cross_gnattools.
1297         * configure: Regenerate.
1298
1299 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1300
1301         PR target/19803
1302         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1303
1304 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1305
1306         PR debug/19327
1307         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1308         of nested functions.
1309
1310 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1311
1312         * doc/extend.texi: Document deprecated extensions allowing
1313         static floating-point members to have initializers and allowing
1314         floating-point literals in integral constant expressions.
1315
1316 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1317
1318         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1319         config/darwin7.h, config/mips/mips.c,
1320         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1321         Update copyright.
1322
1323         * cse.c: Update comments.
1324
1325 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1326
1327         PR middle-end/19775
1328         * builtins.c (fold_builtin_sqrt): Transform
1329         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1330         pow(x,y*0.5).
1331
1332 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1333             Dorit Naishlos  <dorit@il.ibm.com>
1334
1335         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1336         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1337         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1338         was added.
1339         * tree.h (vect_set_verbosity_level): New extern function declaration
1340         added.
1341         * tree-vectorizer.h (verbosity_levels): New enum type.
1342         * tree-vectorizer.c (vect_debug_stats): Function removed.
1343         (vect_debug_details): Likewise.
1344         (vect_verbosity_level): Global variable was defined and initialized.
1345         (vect_dump): Global variable definition.
1346         (vect_print_dump_info): New function.
1347         (vect_set_dump_settings): New function.
1348         (vect_set_verbosity_level): New function.
1349         (vectorize_loops): Add call to vect_set_dump_settings.
1350
1351         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1352         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1353         (slpeel_tree_peel_loop_to_edge): Likewise.
1354
1355         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1356         appropriate verbosity level instead of call to vect_debug_details
1357         or vect_debug_stats.
1358         (vect_get_base_and_offset):
1359         (vect_create_addr_base_for_vector_ref):
1360         (get_vectype_for_scalar_type):
1361         (vect_create_data_ref_ptr):
1362         (vect_init_vector):
1363         (vect_get_vec_def_for_operand):
1364         (vect_finish_stmt_generation):
1365         (vectorizable_assignment):
1366         (vectorizable_operation):
1367         (vectorizable_store):
1368         (vectorizable_load):
1369         (vect_transform_stmt):
1370         (vect_update_ivs_after_vectorizer):
1371         (vect_do_peeling_for_loop_bound):
1372         (vect_update_inits_of_drs):
1373         (vect_do_peeling_for_alignment):
1374         (vect_transform_loop):
1375         (vect_is_simple_use):
1376         (vect_analyze_operations):
1377         (vect_is_simple_iv_evolution):
1378         (vect_analyze_scalar_cycles):
1379         (vect_analyze_data_ref_dependence):
1380         (vect_analyze_data_ref_dependences):
1381         (vect_compute_data_ref_alignment):
1382         (vect_enhance_data_refs_alignment):
1383         (vect_analyze_data_refs_alignment):
1384         (vect_analyze_data_ref_access):
1385         (vect_analyze_data_ref_accesses):
1386         (vect_analyze_pointer_ref_access):
1387         (vect_get_memtag_and_dr):
1388         (vect_analyze_data_refs):
1389         (vect_mark_relevant):
1390         (vect_stmt_relevant_p):
1391         (vect_mark_stmts_to_be_vectorized):
1392         (vect_can_advance_ivs_p):
1393         (vect_get_loop_niters):
1394         (vect_analyze_loop_form):
1395         (vect_analyze_loop):
1396         (vectorize_loops): Likewise.
1397
1398         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1399         (vect_update_inits_of_drs):
1400         (vect_do_peeling_for_alignment):
1401         (vect_transform_loop):
1402         (vect_analyze_operations):
1403         (vect_analyze_scalar_cycles):
1404         (vect_analyze_data_ref_dependences):
1405         (vect_analyze_data_refs_alignment):
1406         (vect_analyze_data_ref_accesses):
1407         (vect_analyze_data_refs):
1408         (vect_mark_stmts_to_be_vectorized):
1409         (vect_get_loop_niters):
1410         (vect_analyze_loop_form):
1411         (vect_analyze_loop): Likewise.
1412         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1413
1414 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1415
1416         PR bootstrap/19796
1417         Revert:
1418         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1419         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1420         either -ffast-math or -funsafe-math-optimizations is in use.
1421
1422         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1423         * config/mips/irix-csr.c: New file.
1424         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1425         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1426         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1427         executables.
1428
1429 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1430
1431         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1432         redundant, incorrect definitions.
1433
1434         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1435         expand.
1436         ("*tls_indirect_call"): New, reference hard regs directly.
1437         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1438
1439 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1440
1441         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1442         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1443
1444 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1445
1446         PR rtl-optimization/19800
1447         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1448         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1449         gen_lowpart.
1450
1451 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1452
1453         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1454
1455 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1456
1457         PR other/17135
1458         * doc/invoke.texi: Correct documentation of -freorder-functions.
1459
1460 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1461
1462         PR other/14402
1463         * doc/invoke.texi: Don't mention gccbug.
1464
1465 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1466             Andrew Pinski  <pinskia@physics.uc.edu>
1467             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1468
1469         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1470         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1471         into just (zero_extract:SI FOO (const_int 1) BAR).
1472
1473 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1474
1475         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1476         macro locally.  Don't give last revision date.  Use GCC version
1477         number from gcc-common.texi.
1478         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1479         revision date.  Use GCC version number from gcc-common.texi.
1480         Describe being a library as current state rather than as 3.x
1481         history.
1482         * doc/gcc.texi: Remove last update date.
1483         * doc/gccint.texi: Likewise.  Update copyright dates.
1484         * doc/install.texi: Update copyright dates.
1485
1486 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1487
1488         PR other/7549
1489         * doc/invoke.texi: Mention for each option included in -Wall that
1490         it is included in -Wall.
1491         * doc/gcc.texi: Update copyright and last modification date.
1492
1493 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1494
1495         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1496         unnecessary cast to original induction variable increments.
1497
1498 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1499
1500         PR tree-optimization/18219
1501         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1502         in distributed form.
1503
1504 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1505
1506         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1507         Set bitpos and offset later in the function.  Do nothing if the
1508         target is a register and if the bitfield lies completely outside
1509         that register.
1510         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1511         here.  Return an uninitialised register if the source value is stored
1512         in a register and the bitfield lies completely outside that register.
1513
1514 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1515
1516         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1517         not SET_DEST.
1518
1519 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1520
1521         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1522
1523 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1524
1525         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1526         * config/darwin8.h: New.
1527         * config/darwin7.h: Update comment.
1528
1529 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1530             Dorit Naishlos  <dorit@il.ibm.com>
1531
1532         * tree-vectorizer.h (LOC): New type.
1533         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1534         (loop_line_number): New field in struct _loop_vec_info.
1535         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1536
1537         * tree-vectorizer.c (input.h): Included.
1538         (find_loop_location): New function.
1539         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1540         loop line number removed.
1541         (vect_debug_details): Likewise.
1542         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1543
1544         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1545         call to vect_debug_details/stats changed from loop to loop_loc.
1546         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1547         (slpeel_tree_peel_loop_to_edge): Likewise.
1548
1549         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1550         changed from NULL to UNKNOWN_LOC.
1551         (vect_get_base_and_offset):
1552         (vect_create_addr_base_for_vector_ref):
1553         (get_vectype_for_scalar_type):
1554         (vect_create_data_ref_ptr):
1555         (vect_init_vector):
1556         (vect_get_vec_def_for_operand):
1557         (vect_finish_stmt_generation):
1558         (vectorizable_assignment):
1559         (vectorizable_operation):
1560         (vectorizable_store):
1561         (vectorizable_load):
1562         (vect_transform_stmt):
1563         (vect_update_ivs_after_vectorizer):
1564         (vect_do_peeling_for_loop_bound):
1565         (vect_do_peeling_for_alignment):
1566         (vect_transform_loop):
1567         (vect_is_simple_use):
1568         (vect_analyze_operations):
1569         (vect_is_simple_iv_evolution):
1570         (vect_analyze_scalar_cycles):
1571         (vect_analyze_data_ref_dependences):
1572         (vect_compute_data_ref_alignment):
1573         (vect_enhance_data_refs_alignment):
1574         (vect_analyze_data_ref_access):
1575         (vect_analyze_data_ref_accesses):
1576         (vect_analyze_pointer_ref_access):
1577         (vect_get_memtag_and_dr):
1578         (vect_analyze_data_refs):
1579         (vect_mark_relevant):
1580         (vect_stmt_relevant_p):
1581         (vect_mark_stmts_to_be_vectorized):
1582         (vect_can_advance_ivs_p):
1583         (vect_get_loop_niters):
1584         (vect_analyze_loop):
1585         (vectorize_loops): Likewise.
1586
1587         (vectorizable_load): Argument in call to vect_debug_details/stats
1588         changed from loop to LOOP_LOC (loop_vinfo).
1589         (vect_transform_loop):
1590         (vect_analyze_operations):
1591         (vect_analyze_scalar_cycles):
1592         (vect_analyze_data_ref_dependence):
1593         (vect_enhance_data_refs_alignment):
1594         (vect_analyze_data_ref_accesses):
1595         (vect_analyze_pointer_ref_access):
1596         (vect_analyze_data_refs):
1597         (vect_analyze_loop): Likewise.
1598
1599         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1600         changed from loop to loop_loc.
1601
1602         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1603
1604 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1605             Dorit Naishlos  <dorit@il.ibm.com>
1606
1607         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1608         declaration added.
1609         (vect_analyze_data_ref_dependences): Likewise.
1610
1611         (vect_is_simple_use): Argument changed from loop structure to
1612         loop_vect_info structure.
1613         (vect_can_advance_ivs_p): Likewise.
1614         (vect_create_index_for_vector_ref): Likewise.
1615         (vect_update_ivs_after_vectorizer): Likewise.
1616         (new_stmt_vec_info): Likewise.
1617
1618         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1619         changed from loop to loop_vinfo.
1620         (vect_create_data_ref_ptr): First argument in call to
1621         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1622         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1623         was changed from loop to loop_vinfo.
1624         (vectorizable_operation): Likewise.
1625         (vectorizable_store): Likewise.
1626         (vect_mark_stmts_to_be_vectorized): Likewise.
1627         (vect_do_peeling_for_loop_bound): First argument in call to
1628         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1629         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1630         was changed from loop to loop_vinfo.
1631         (vect_analyze_data_ref_dependences): Third argument in call to
1632         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1633
1634         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1635         (vect_create_data_ref_ptr): Likewise.
1636         (vect_init_vector): Likewise.
1637         (vect_get_vec_def_for_operand): Likewise.
1638         (vectorizable_assignment): Likewise.
1639         (vectorizable_operation): Likewise.
1640         (vectorizable_store): Likewise.
1641         (vectorizable_load): Likewise.
1642         (vect_update_ivs_after_vectorizer): Likewise.
1643         (vect_is_simple_use): Likewise.
1644         (vect_analyze_data_ref_dependence): Likewise.
1645         (vect_analyze_pointer_ref_access): Likewise.
1646         (vect_can_advance_ivs_p): Likewise.
1647
1648         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1649         before _stmt_vec_info.
1650         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1651         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1652         (new_stmt_vec_info): Argument changed from loop structure to
1653         loop_vect_info structure
1654
1655         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1656         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1657         (vect_create_addr_base_for_vector_ref): Likewise.
1658         (vect_analyze_pointer_ref_access): Likewise.
1659
1660 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1661
1662         PR tree-opt/19768
1663         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1664         phi flag if the phi is abnormal.
1665
1666 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1667
1668         PR tree-opt/19736
1669         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1670         information for the new statement.
1671
1672 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1673
1674         PR driver/19117
1675         * gcc.c (main): Include the target in -v output.
1676
1677 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1678
1679         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1680         Do not drop the extend if we'd have to add a paradoxical subreg
1681         later.  Include optabs.h and insn-codes.h.
1682         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1683
1684 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1685
1686         PR middle-end/19405
1687         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1688         * fold-const.c (const_binop): Avoid constant folding floating
1689         point operations in modes that use composite representations.
1690         * simplify-rtx.c (simplify_binary_operation): Likewise.
1691
1692 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1693
1694         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1695         a REG, not a MEM.
1696         (altivec_dstt): Likewise.
1697         (altivec_dstst): Likewise.
1698         (altivec_dststt): Likewise.
1699         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1700         of first operand.
1701
1702 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1703
1704         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1705         EXPR_LOCUS from orig_cond to the new cond_stmt.
1706         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1707         the new vec_stmt.
1708
1709 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1710
1711         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1712         standard_iv_increment_position. Remove call to bsi_next
1713         (no need to bump the iterator anymore).
1714         (vect_create_index_for_vector_ref): Call
1715         standard_iv_increment_position. Remove second function argument.
1716         (vect_finish_stmt_generation): Remove call to bsi_next
1717         (no need to bump the iterator anymore).
1718         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1719         to vect_create_index_for_vector_ref.
1720
1721 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1722
1723         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1724         phis are used out of the loop.
1725
1726 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1727
1728         PR c/17807
1729         * c-decl.c (undef_nested_function): New variable.
1730         (pop_scope): Diagnose undefined nested functions.
1731         (finish_function): Don't attempt cgraph processing or genericizing
1732         if current top-level function contained an undefined nested
1733         function.  Reset undef_nested_function at the end of a top-level
1734         function.
1735
1736 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1737
1738         * tree.c (build_int_cst_type): Take sign of the value into account
1739         when deciding whether sign extend the value.
1740
1741 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1742
1743         PR c/18502
1744         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1745         (cpp_options, cc1_options): Change %{std*&ansi} to
1746         %{std*&ansi&trigraphs}.
1747
1748 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1749
1750         * cse.c: Update comments.
1751
1752 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1753
1754         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1755         arguments go on the stack.  Do not put complex doubles in odd/even
1756         pairs.
1757
1758 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1759
1760         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1761         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1762         -ftree-pre, and -fthread-jumps.
1763
1764 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1765
1766         PR tree-optimization/19578
1767         * tree-flow.h (modified_noreturn_calls): Declare.
1768         (noreturn_call_p): Declare.
1769         * tree-flow-inline.h (noreturn_call_p): New function.
1770         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1771         * tree-cfg.c (modified_noreturn_calls): New variable.
1772         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1773         that contain a mid-block noreturn call.
1774         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1775
1776 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1777
1778         * df.c (df_def_record_1, df_uses_record): Don't use
1779         DF_FOR_REGALLOC.
1780         * df.h (DF_FOR_REGALLOC): Remove.
1781
1782 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1783
1784         PR c/19435
1785         * c-typeck.c (really_start_incremental_init): Reset
1786         constructor_max_index for arrays of incomplete type.
1787
1788 2005-02-02  Jeff Law  <law@redhat.com>
1789
1790         * gcse.c (struct reg_set): Store the block index where the register
1791         was set rather than the setting insn.
1792         (record_one_set, compute_transp): Corresponding changes.
1793         (pre_insert_copy_insn): Do not call replace_one_set.
1794         (replace_one_set): Remove.
1795
1796 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1797
1798         PR other/15514
1799         * doc/gcov.texi: Fix typo.
1800
1801 2005-02-01  Richard Henderson  <rth@redhat.com
1802
1803         PR target/19680
1804         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1805         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1806         type to bool.
1807         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1808         * config/i386/i386-protos.h: Update.
1809
1810 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1811
1812         PR tree-optimization/19217
1813         * tree-cfg.c (verify_expr): Use the data field to see if TP was
1814         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
1815         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1816         that it is walking a PHI node.
1817
1818 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
1819
1820         * doc/extend.texi (Nested Functions): Update.
1821
1822 2005-02-01  Richard Henderson  <rth@redhat.com>
1823
1824         PR 19696
1825         * optabs.c (expand_copysign_absneg): Export.
1826         * optabs.h (expand_copysign_absneg): Declare.
1827         * config/rs6000/rs6000.md (copysigntf3): New.
1828
1829 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1830
1831         PR tree-optimization/19633
1832         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1833         * tree-ssa-alias.c (init_alias_info): Initialize.
1834         (merge_pointed_to_info): Set.
1835         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1836         (dump_points_to_info_for): Show value of pt_null.
1837         (struct count_ptr_d): Declare.
1838         (find_ptr_dereference): Remove.
1839         (ptr_is_dereferenced_by): Remove.
1840         (count_ptr_derefs): New local function.
1841         (count_uses_and_derefs): New local function.
1842         (compute_points_to_and_addr_escape): Call it.  If the number
1843         of dereferences is greater than zero, mark the pointer as
1844         dereferenced.  If there are fewer dereferences than uses of
1845         the pointer, the pointer's value escapes.
1846
1847 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1848
1849         PR tree-optimization/19670
1850         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1851         here...
1852         (verify_use): ... set it here, instead.
1853
1854 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
1855
1856         * doc/sourcebuild.texi (Test directives): Fix formatting.
1857
1858         * doc/sourcebuild.texi (Test directives): Describe selector
1859         expressions.
1860
1861 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
1862
1863         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1864         specific 64-bit CPUs.
1865
1866 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
1867
1868         PR target/16201
1869         * arm.c (arm_eliminable_register): New function.
1870         (adjacent_mem_locations): Don't allow eliminable registers.  Use
1871         HOST_WIDE_INT for address offsets.
1872         * arm-protos.h (arm_eliminable_register): Add prototype.
1873
1874 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1875
1876         PR optimization/15242
1877         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
1878         * basic-block.h (duplicate_computed_gotos): Add prototype.
1879         * bb-reorder.c (duplicate_computed_gotos): New function to
1880         duplicate sufficiently small blocks ending in a computed jump.
1881         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
1882         if not optimizing for size.
1883         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
1884         never do tail merging for blocks ending in a computed jump.
1885         * doc/invoke.texi: Document the max-goto-duplication-insns param.
1886
1887 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1888
1889         Patch from Richard Sandiford <rsandifo@redhat.com>
1890         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
1891         from inheriting a subreg equivalence with a non-spill register.
1892
1893         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
1894
1895 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
1896
1897         * config/frv/frv.c (movcc_fp_destination_operand): New.
1898         (gpr_or_memory_operand): Fix typo in comment.
1899         (gpr_or_memory_operand_with_scratch): New.
1900         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
1901         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
1902         movcc_fp_destination_operand.
1903         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
1904         Legitimize memory addresses using a scratch register.
1905
1906 2005-01-31  Jeff Law  <law@redhat.com>
1907
1908         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
1909         bitmap a sparse bitmap instead of a simple bitmap.
1910         (mark_def_sites_initialize_block):  Corresponding changes.
1911         (ssa_mark_def_sites_initialize_block): Likewise.
1912         (ssa_mark_phi_uses): Likewise.
1913         (mark_def_site, ssa_mark_def_sites): Likewise.
1914         (mark_def_site_blocks): Likewise.
1915         (rewrite_ssa_into_ssa): Likewise.
1916
1917         * tree-ssa-dom.c (record_cond): Pass correct variable type
1918         for last argument to htab_find_slot_with_hash.
1919
1920         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
1921         effects when optimizing 0 % X.  Do not try to optimize X % 0.
1922
1923 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
1924
1925         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
1926         1_mmalua.
1927
1928 2005-02-01  Eric Christopher  <echristo@redhat.com>
1929
1930         * config/mips/mips.c (override_options): Warn if -mint64
1931         is used.
1932         * doc/invoke.texi (MIPS Options): Document that -mint64 is
1933         deprecated.
1934
1935 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1936
1937         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
1938         timestamp.
1939         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
1940         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
1941         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
1942         (cached_regno): Initialize to INVALID_REGNUM.
1943         (cse_reg_info_table_size,
1944         cse_reg_info_table_first_uninitialized,
1945         cse_reg_info_timestamp): New.
1946         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
1947         get_cse_reg_info.
1948         (init_cse_reg_info, get_cse_reg_info_1): New.
1949         (get_cse_reg_info): Cache the last look-up.
1950         (new_basic_block): Update the code to clear mappings from
1951         registers to cse_reg_info entries.
1952         (cse_main): Call init_cse_reg_info.
1953
1954         * cse.c (get_cse_reg_info): Update a comment.
1955
1956 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1957
1958         PR c/19333
1959         * c-decl.c (start_decl): Do not warn about arrays of elements with
1960         an incomplete type here.
1961         (grokdeclarator): Do it here by making a pedwarn an error.
1962         * c-typeck.c (push_init_level): If there were previous errors with
1963         the constructor type, do not warn about braces for initializers.
1964         (process_init_element): Likewise for excess initializer elements.
1965
1966 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1967
1968         * cse.c (delete_trivially_dead_insn): Don't iterate.
1969
1970 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1971
1972         * config/rs6000/rs6000.md (copysignsf3): New expand.
1973         (copysigndf3): Likewise.
1974
1975 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1976
1977         * recog.c (constrain_operands): Only look for earlyclobber operand
1978         conflicts if an '&' constraint was seen.
1979
1980 2005-01-31  Marc Espie <espie@openbsd.org>
1981
1982         * config.gcc: Don't include embedded systems fragment, switches default
1983         debugging format to ELF.
1984         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
1985         longer pick it up there.
1986
1987 2005-01-31  Dale Johannesen  <dalej@apple.com>
1988
1989         * doc/extend.texi (nested functions): Fix linkage description.
1990         Clarify that static is not allowed.
1991
1992 2005-01-31  Dale Johannesen  <dalej@apple.com>
1993
1994         * config/rs6000/darwin.md (movsf_low_di):  Make work.
1995         (movdf_low_di):  Make work.
1996
1997 2005-01-31  Dale Johannesen  <dalej@apple.com>
1998
1999         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2000         Make work for 64 bit.
2001
2002 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2003             Dale Johannesen  <dalej@apple.com>
2004
2005         PR middle-end/19650
2006         * fold-const.c (fold_binary_op_with_conditional_arg):
2007         Make types match original operands, before STRIP_NOPS.
2008
2009 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2010
2011         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2012         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2013         (struct gcc_sigcontext): Delete.  Merge contents to..
2014         (struct gcc_ucontext): ..here.
2015         (get_sigcontext): Delete.
2016         (get_regs): New function, like get_sigcontext but return regs ptr.
2017         64-bit version finds regs from r1 to support vdso.
2018         (ppc_linux_aux_vector): New function.
2019         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2020         and vector regs.
2021
2022 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2023
2024         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2025         sizetype.
2026         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2027         redundant fold. Fix misalignment for MINUS_EXPR.
2028         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2029         (vect_analyze_pointer_ref_access): Likewise.
2030         (vect_get_memtag_and_dr): Likewise.
2031
2032 2005-01-31  Richard Henderson  <rth@redhat.com>
2033
2034         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2035         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2036         absnegdf2_i387, absnegxf2_i387): Likewise.
2037
2038 2005-01-31  Richard Henderson  <rth@redhat.com>
2039
2040         PR 19696
2041         * optabs.c (expand_copysign_absneg): New.
2042         (expand_copysign_bit): Split out from ...
2043         (expand_copysign): ... here.  Use expand_copysign_absneg.
2044
2045 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2046
2047         PR middle-end/19697
2048         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2049         constant as the second operand and a register as the third.
2050
2051 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2052
2053         PR target/19704
2054         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2055         that dllimport'd functions do not use all call-clobbered registers
2056         to pass parameters.
2057
2058 2005-01-30  Richard Henderson  <rth@redhat.com>
2059
2060         PR 19696
2061         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2062         expand_abs_nojump and generalize.  Use operand_subword and
2063         emit_no_conflict_block.  Support large modes.
2064         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2065         back to maximum.
2066         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2067         negation to subtraction.
2068         (expand_copysign): Check that the format has signed zeros.
2069         Use operand_subword and emit_no_conflict_block.  Support large modes.
2070
2071 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2072
2073         Fix PR tree-optimization/19624
2074
2075         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2076         * tree-ssa-pre.c: Add cfgloop.h.
2077         Update comment.
2078         (pre_stats): New member, constified.
2079         (inserted_exprs): New static variable.
2080         (NECESSARY): New macro.
2081         (create_expression_by_pieces): Fold the expression, and
2082         mark it as defaulting to not necessary. Also put in
2083         inserted_exprs.
2084         (fully_constant_expression): New function.
2085         (insert_into_preds_of_block): Modify to not insert phis when we
2086         are playing with induction variables.
2087         Push phis onto the inserted_exprs vector, and mark them as not
2088         necessary by default.
2089         (insert_aux): Call fully_constant_expression on eprime.
2090         If all edges produce the same value, mark it constant.
2091         (mark_operand_necessary): New function.
2092         (remove_dead_inserted_code): New function.
2093         (init_pre): Init loop optimizer to get loop info.
2094         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2095         (execute_pre): Commit edge inserts, then remove dead code.
2096
2097 2005-01-30  Richard Henderson  <rth@redhat.com>
2098
2099         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2100         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2101
2102 2005-01-30  Richard Henderson  <rth@redhat.com>
2103
2104         PR target/19700
2105         * config/i386/i386.c (ix86_expand_copysign): New.
2106         (ix86_split_copysign_const): New.
2107         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2108         rearrange op1/nmask operands.
2109         * config/i386/i386-protos.h: Update.
2110         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2111         (copysigndf3): Likewise.
2112         (copysignsf3_const, copysigndf3_const): New.
2113         (copysignsf3_var): Rename from copysignsf3, split out splitter
2114         and fix split predicate for X constraint.
2115         (copysigndf3_var): Similarly.
2116
2117 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2118
2119         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2120         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2121         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2122
2123 2005-01-29  Richard Henderson  <rth@redhat.com>
2124
2125         PR target/19690
2126         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2127         of # and * in constraints.
2128
2129 2005-01-29  Richard Henderson  <rth@redhat.com>
2130
2131         PR middle-end/19689
2132         * expr.c (store_field): Don't strip sub-mode cast when the input
2133         data is even smaller.
2134
2135 2005-01-29  Richard Henderson  <rth@redhat.com>
2136
2137         PR middle-end/19687
2138         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2139         union being empty.
2140
2141 2005-01-29  Richard Henderson  <rth@redhat.com>
2142
2143         * combine.c (make_field_assignment): Fix argument order
2144         to gen_int_mode.
2145
2146 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2147
2148         PR tree-optimization/15791
2149         * fold-const.c (extract_array_ref): New function.
2150         (fold): Fold comparisons between &a[i] and &a[j] or
2151         semantically equivalent trees.
2152
2153 2005-01-29  Jeff Law  <law@redhat.com>
2154
2155         * gcse.c (insert_expr_in_table): Revamp handling of available
2156         and anticipatable occurrence lists to avoid unnecessary list
2157         walking.
2158         (insert_set_in_table): Similarly.
2159
2160 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2161
2162         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2163         build string type.
2164         (c_build_qualified_type): Build qualified array types with
2165         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2166         * c-decl.c (c_make_fname_decl): Build unqualified array type
2167         before qualified type.
2168         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2169         type is qualified, not just if type itself is.  Don't apply
2170         qualifiers to array type when declarator is processed.  Apply
2171         qualifiers to field type whether or not it is an array type.
2172         Don't handle array types specially for applying qualifiers to
2173         variables.
2174         * c-typeck.c (composite_type): Build unqualified element type and
2175         array type when forming composite of array types.
2176         (common_pointer_type, comptypes, comp_target_types,
2177         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2178         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2179         types.
2180         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2181         (args2) in variables a1 and a2.
2182
2183 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2184
2185         * cse.c (n_elements_made, max_elements_made): Remove.
2186         (insert): Don't touch n_elements_made.
2187         (cse_main): Don't touch n_elements_made or max_elements_made.
2188
2189 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2190
2191         PR target/15384
2192         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2193         configuration part of dp-bit.c to be lost.
2194
2195 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2196
2197         * expmed.c (expand_mult_highpart_optab): When attempting to use
2198         a non-widening multiplication in a wider mode, the operands need
2199         to be converted (zero or sign extended) to that mode.
2200
2201 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2202
2203         PR middle-end/16558
2204         PR middle-end/19583
2205         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2206         through if both operands fall through.
2207
2208 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2209
2210         * cse.c (fold_rtx) <PC>: Don't optimize.
2211
2212 2005-01-28  Jeff Law  <law@redhat.com>
2213
2214         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2215         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2216
2217 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2218
2219         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2220         cse_reg_info_used_list_end): Remove.
2221         (cse_reg_info_list, cse_reg_info_list_free): New.
2222         (get_cse_reg_info): When allocating an instance of
2223         cse_reg_info, add it to the beginning of the cse_reg_info_list
2224         list.  Remove code to maintain cse_reg_info_used_list.
2225         (new_basic_block): Reset the free list to the beginning of
2226         cse_reg_info_list.
2227
2228 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2229
2230         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2231         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2232         (frv_expand_mdpackh_builtin): New function.
2233         (frv_expand_builtin): Use it to expand __MDPACKH.
2234         * doc/extend.texi (__MDPACKH): Update documentation.
2235
2236 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2237
2238         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2239         SSE_FLOAT_MODE_P for use_sse computation.
2240
2241 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2242
2243         PR target/19663
2244         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2245
2246 2005-01-27  Richard Henderson  <rth@redhat.com>
2247
2248         * builtins.c (expand_builtin_copysign): New.
2249         (expand_builtin): Call it.
2250         * genopinit.c (optabs): Add copysign_optab.
2251         * optabs.c (init_optabs): Initialize it.
2252         (expand_copysign): New.
2253         * optabs.h (OTI_copysign, copysign_optab): New.
2254         (expand_copysign): Declare.
2255
2256         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2257         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2258
2259         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2260         (ix86_expand_fp_absneg_operator): ... here.
2261         (ix86_split_copysign): New.
2262         * config/i386/i386-protos.h: Update.
2263         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2264         (copysignsf3, copysigndf3): New.
2265
2266         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2267         (copysignsf3, ncopysignsf3): New.
2268         (copysigndf3, ncopysigndf3): New.
2269         (copysignxf3, ncopysignxf3): New.
2270         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2271
2272 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2273             Kazu Hirata  <kazu@cs.umass.edu>
2274
2275         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2276         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2277         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2278         NULL_RTX.
2279
2280 2005-01-27  Jeff Law  <law@redhat.com>
2281
2282         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2283         definitions of SSA_NAMEs which are not being rewritten.
2284         (rewrite_ssa_into_ssa): Only initialize the current definition
2285         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2286         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2287         SSA_NAMEs before returning.
2288
2289 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2290
2291         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2292         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2293         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2294         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2295         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2296
2297 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2298
2299         PR middle-end/17278
2300         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2301         higher to -O2 and higher.  Likewise for tree PRE.
2302         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2303         and better.
2304
2305 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2306
2307         PR middle-end/19583
2308         * gimple-low.c (try_catch_may_fallthru): New static function.
2309         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2310         * tree-inline.c (expand_call_inline): Don't warn about reaching
2311         the end of a non-void function being inlined if the function uses
2312         a return slot.
2313
2314 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2315
2316         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2317
2318         PR c/18946
2319         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2320         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2321         (implicitly_declare): Handle error_mark_node.
2322
2323 2005-01-27  Richard Henderson  <rth@redhat.com>
2324
2325         PR tree-opt/14329
2326         * tree.h (struct tree_decl): Add debug_expr_is_from.
2327         (DECL_DEBUG_EXPR_IS_FROM): New.
2328         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2329         * dwarf2out.c (dwarf2out_var_location): Update to match.
2330         * tree-outof-ssa.c (create_temp): Likewise.
2331         * var-tracking.c (track_expr_p): Likewise.
2332         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2333         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2334         * toplev.c (default_tree_printer): Likewise.
2335
2336 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2337
2338         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2339         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2340
2341 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2342
2343         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2344         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2345         ASM_CLOBBERS): Add tree checks.
2346
2347         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2348         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2349         * c-common.def (SWITCH_STMT): Update to match.
2350         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2351         macros instead of SWITCH_EXPR ones.
2352         * c-dump.c (c_dump_tree): Likewise.
2353         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2354         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2355
2356         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2357
2358 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2359
2360         * unwind-dw2.c (execute_stack_op): Add missing cases for
2361         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2362
2363 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2364
2365         * config.gcc (Obsolete configurations): Remove 'dummy', add
2366         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2367         sparc-*-openbsd*.
2368
2369 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2370
2371         PR tree-optimization/19633
2372         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2373         CALL_EXPRs.
2374         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2375         are no call-clobbered variables.
2376         * tree-outof-ssa.c (check_replaceable): Return false for calls
2377         with side-effects.
2378
2379 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2380
2381         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2382         even for variables with NULL DECL_INITIAL.
2383
2384 2005-01-26  Stuart Hastings  <stuart@apple.com>
2385
2386         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2387
2388 2005-01-26  Richard Henderson  <rth@redhat.com>
2389
2390         PR middle-end/18008
2391         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2392         field's type.
2393         * expr.c (store_field): Strip conversions to odd-bit-sized types
2394         if the destination field width matches.
2395
2396 2005-01-26  Richard Henderson  <rth@redhat.com>
2397
2398         * c-decl.c, expmed.c, expr.c: Revert last change.
2399
2400 2005-01-26  Richard Henderson  <rth@redhat.com>
2401
2402         PR middle-end/18008
2403         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2404         field's type.
2405         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2406         if we don't need the bits above those present in the current mode.
2407         * expr.c (store_field): Strip conversions to odd-bit-sized types
2408         if the destination field width matches.
2409
2410 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2411
2412         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2413         either -ffast-math or -funsafe-math-optimizations is in use.
2414
2415 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2416
2417         PR target/19293
2418         PR target/19329
2419         * config/avr/avr.c (notice_update_cc): Only set condition code for
2420         ashrqi3 if shift count > 0.
2421         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2422         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2423         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2424         count <= 0 as a no-op, and shift count >= width by copying zero
2425         or sign bit to all bits of the result.
2426         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2427         count, with attribute "length" set to 0 and "cc" set to "none".
2428
2429 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2430
2431         * doc/invoke.texi: Document -mTLS.
2432
2433         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2434         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2435         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2436         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2437         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2438         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2439         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2440         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2441
2442         * configure.ac: Check for a TLS capable gas.
2443
2444         * configure: Regenerate.
2445
2446 2005-01-26  Richard Henderson  <rth@redhat.com>
2447
2448         PR middle-end/18008
2449         * combine.c (make_field_assignment): Simplify store to zero_extract
2450         from a source with an overlapping mask.
2451
2452 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2453
2454         2004-11-11  Eric Christopher  <echristo@redhat.com>
2455
2456         * config/frv/frv.md: Add fr400_integer automaton. Don't
2457         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2458         to TYPE_MACC.
2459
2460 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2461
2462         PR middle-end/16585
2463         * cfgbuild.c (make_edges): Do not clear or set
2464         current_function_has_computed_jump.
2465         * function.h (struct function): Remove the has_computed_jump field.
2466         (current_function_has_computed_jump): Do not define.
2467         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2468         in a computed jump.  Ignore current_function_has_computed_jump.
2469
2470 2005-01-26  Richard Henderson  <rth@redhat.com>
2471
2472         PR middle-end/19515
2473         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2474         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2475         fully initialized.
2476         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2477         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2478         objects into static storage if they have more than one non-zero value.
2479         * tree.h (categorize_ctor_elements): Update decl.
2480
2481 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2482
2483         PR middle-end/19616
2484         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2485         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2486         to this function from 2004-07-10.
2487         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2488         the current function for tail call optimizations if the address
2489         of one of it its arguments is taken.
2490
2491 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2492
2493         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2494
2495 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2496
2497         * function.c (expand_function_end): If current_function_calls_alloca,
2498         emit stack restore in a place that is reached when the function falls
2499         through at the end.
2500
2501 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2502
2503         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2504         rule to avoid matching inappropriate suffix rule.
2505
2506 2005-01-26  Jan Hubicka  <jh@suse.cz>
2507
2508         PR tree-optimization/19241
2509         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2510
2511 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2512
2513         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2514         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2515         of doubling.
2516         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2517         <sim*>: Always use crt1.o, regardless of N in simN.
2518         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2519         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2520         (CRT_CALL_STATIC_FUNCTION): Remove.
2521         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2522         use crt1.o, regardless of N in simN.
2523         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2524         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2525         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2526         case isystem setting.
2527         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2528
2529 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2530
2531         * gimple-low.c (block_may_fallthru): Correct handling of
2532         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2533
2534 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2535
2536         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2537         handlers to match indentation; nested under the mtune=* handler.
2538         Similar for mcpu= and march=.
2539
2540 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2541
2542         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2543         * config/mips/linux64.h (LIB_SPEC): Likewise.
2544         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2545         * config/sh/linux.h (LIB_SPEC): Likewise.
2546
2547 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2548
2549         * config/frv/frv.c (frv_legitimize_tls_address): New.
2550         (TARGET_HAVE_TLS): Define.
2551         (FRV_SYMBOL_REF_TLS_P): Define.
2552         (frv_override_options): Handle new register classes.
2553         (frv_legitimate_address_p): Reject tls addresses.
2554         (frv_legitimize_address): Handle TLS addresses.
2555         (gen_inlined_tls_plt): New.
2556         (gen_tlsmoff): New.
2557         (frv_legitimize_tls_address): New.
2558         (unspec_got_name): Add TLS entries.
2559         (got12_operand): Add R_FRV_TLSMOFF12 case.
2560         (frv_emit_move): Fixup TLS addresses.
2561         (frv_emit_movsi): Legitimize TLS addresses.
2562
2563         * config/frv/frv.h (MASK_BIG_TLS): New.
2564         (TARGET_BIG_TLS): New.
2565         (HAVE_AS_TLS): Define.
2566         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2567         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2568         (REG_CLASS_NAMES): Same.
2569         (REG_CLASS_CONTENTS): Same.
2570         (CONSTRAINT_LEN): New.
2571         (REG_CLASS_FROM_CONSTRAINT): New.
2572         (PREDICATE_CODES): Add symbolic_operand.
2573
2574         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2575         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2576         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2577         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2578         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2579         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2580         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2581         GR9_REG, GR14_REG, LRREG.
2582         (type): Add load_or_call attribute.
2583         ("load_or_call"): New reservation.
2584         ("call_gettlsoff"): New.
2585         ("tls_indirect_call"): New.
2586         ("tls_load_gottlsoff12"): New.
2587         ("tlsoff_hilo"): New.
2588         ("tls_tlsdesc_ldd"): New.
2589         ("tls_tlsoff_ld"): New.
2590         ("tls_lddi"): New.
2591
2592         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2593
2594         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2595
2596         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2597         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2598         * config/frv/frv.c (TLS_BIAS): Define.
2599         (frv_output_dwarf_dtprel): New.
2600
2601 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2602
2603         PR rtl-optimization/19579
2604         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2605         both A and B, see if they don't clobber registers the other expr uses.
2606
2607 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2608
2609         * real.c (do_add): Initialize signalling and canonical members.
2610
2611         * real.c (real_from_integer): Zero out destination.
2612
2613 2005-01-18  Jan Hubicka  <jh@suse.cz>
2614
2615         PR tree-optimize/19337
2616         * tree-inline.c (initialize_inlined_parameters): Copy
2617         saved_static_chain_decl only.
2618
2619 2005-01-25  Richard Henderson  <rth@redhat.com>
2620
2621         PR target/19556
2622         PR target/19584
2623         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2624         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2625         80387 enabled, to return a proper subclass.  Return the subset that
2626         overlaps with GENERAL_REGS for PLUS.
2627         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2628
2629 2005-01-25  Richard Henderson  <rth@redhat.com>
2630
2631         PR middle-end/19609
2632         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2633
2634 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2635
2636         * expmed.c (choose_multiplier): Change interface to return the
2637         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2638         (expand_divmod): Update calls to choose_multiplier.
2639
2640 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2641
2642         PR middle-end/19330
2643         * expmed.c (extract_bit_field): Use adjust_address instead of
2644         gen_lowpart when op0 is a MEM.
2645
2646 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2647
2648         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2649
2650 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2651
2652         * config/mips/irix-csr.c: New file.
2653         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2654         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2655         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2656         executables.
2657
2658 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2659
2660         PR bootstrap/19364
2661         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2662         sparc/elf.h, add sparc/sp-elf.h.
2663         (sparc-*-rtems*): Likewise.
2664         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2665         tm-dwarf2.h, add sparc/sp-elf.h.
2666         (sparc86x-*-elf): Likewise.
2667         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2668         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2669         TARGET_OS_CPP_BUILTINS.
2670         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2671         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2672         Undefine it.
2673         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2674         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2675         (SWITCH_TAKES_ARG): Likewise.
2676         (LOCAL_LABEL_PREFIX): Likewise.
2677         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2678         (TARGET_N_FORMAT_TYPES): Delete.
2679         (TARGET_FORMAT_TYPES): Likewise.
2680         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2681         * config/sparc/elf.h: Delete.
2682         * config/sparc/sp-elf.h: New file.
2683
2684 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2685
2686         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2687         * tree-flow.h: Remove the corresponding prototype.
2688         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2689         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2690
2691 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2692
2693         PR target/17751
2694         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2695         for AIX ABI or ELF -fPIC.
2696         (rs6000_emit_load_toc_table): Don't create toc_section here.
2697         (rs6000_xcoff_file_start): Nor here.
2698
2699 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2700
2701         * sh.c (ra.h): Don't #include.
2702         (hard_regs_intersect_p): New function, resurrected from ra.c.
2703
2704         * sh.c: Fix 1996 Copyright.
2705
2706 2005-01-24  Richard Henderson  <rth@redhat.com>
2707             Aldy Hernandez  <aldyh@redhat.com>
2708
2709         * regrename.c (note_sets): Handle subregs.
2710
2711 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2712
2713         PR bootstrap/18058
2714         * genconditions.c (write_header, write_conditions): Elide file if
2715         not GCC >= 3.0.1.
2716
2717 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2718
2719         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2720         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2721         Update copyright.
2722
2723 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2724
2725         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2726         expand_builtin_printf, expand_builtin_fprintf,
2727         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2728         checking against POINTER_TYPE.
2729         (validate_arglist): Handle POINTER_TYPE code by checking
2730         POINTER_TYPE_P.
2731
2732 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2733
2734         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2735         init_rtlanal): New.
2736         (for_each_rtx): Call for_each_rtx_1.
2737         * rtl.h (init_rtlanal): Declare.
2738         * toplev.c (backend_init): Call init_rtlanal.
2739
2740 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2741
2742         * flow.c (propagate_one_insn): Formatting.
2743
2744         PR middle-end/19551
2745         * flow.c (libcall_dead_p): Be more conservative if unsure.
2746         If there are any instructions between insn and call, see if they are
2747         all dead before saying the libcall is dead.
2748
2749 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2750
2751         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2752         operand constraint for operand 0.
2753
2754 2005-01-23  Richard Henderson  <rth@redhat.com>
2755
2756         PR 19486
2757         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2758         edges leading to join block.
2759
2760 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2761
2762         * expmed.c (expand_mult_highpart): Make static.  Change type of
2763         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2764         (expand_divmod): Updates calls to expand_mult_highpart by using
2765         gen_int_mode to pass a CONST_INT rtx.
2766         * rtl.h (expand_mult_highpart): Remove prototype.
2767
2768 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2769
2770         * flow.c (regset_bytes, regset_size): Remove.
2771
2772         * cfganal.c: Fix a reference to Harvey's paper.
2773
2774 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2775
2776         PR rtl-optimization/19464
2777         * tree-optimize.c (init_tree_optimization_passes): Add one more
2778         copyrename pass just before out-of-ssa.
2779
2780 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2781
2782         PR bootstrap/18058
2783         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2784         * ggc-none.c (ggc_free): Define.
2785
2786 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2787
2788         * cse.c (max_reg, max_insn_uid): Remove.
2789         (cse_main): Don't access max_reg or max_insn_uid.
2790
2791         * c-common.c (explicit_flag_signed_bitfields,
2792         lang_statement_code_p, lang_expand_function_end): Remove.
2793         * c-common.h: Remove the corresponding declarations.
2794         * c-opts.c (c_common_handle_option): Remove all write access
2795         to explicit_flag_signed_bitfields.
2796
2797         * cgraph.c (cgraph_varpool_n_nodes): Remove.
2798         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2799         * cgraph.h: Remove the corresponding declaration.
2800
2801         * gcse.c (null_pointer_info): Remove.
2802
2803 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2804             Eric Botcazou  <ebotcazou@libertysurf.fr>
2805
2806         * combine.c (simplify_logical): Only simplify logical expressions
2807         of the form ior(and(x,y),z) by the inverse distributive law if the
2808         result is cheaper than the original.
2809
2810 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2811
2812         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2813         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2814         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2815         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2816         config/freebsd-spec.h, config/arm/arm.h,
2817         config/h8300/h8300.md, config/i386/i386.md,
2818         config/i386/predicates.md, config/i386/sse.md,
2819         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2820         config/vax/vax.md: Fix comment typos.  Follow spelling
2821         conventions.
2822
2823 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2824
2825         * gengtype.c (walk_type): Produce `not equal to' compares for loop
2826         tests, instead of `less than'.
2827
2828 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
2829
2830         * function.c (assign_parm_setup_block): When creating a new stack slot
2831         for a parameter, get its alignment from the parameter's DECL_ALIGN
2832         rather than the type's TYPE_ALIGN.  Make sure that the parameter
2833         is at least word aligned.
2834
2835 2005-01-22  Roger Sayle  <roger@eyesopen.com>
2836
2837         PR middle-end/19378
2838         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2839
2840 2005-01-22  Richard Henderson  <rth@redhat.com>
2841
2842         PR target/19506
2843         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2844         in both compare operands.
2845         (movdfcc_1_sse_max): Likewise.
2846         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
2847         (movdfcc_1_sse): Likewise.
2848         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2849         scratch register as needed.
2850
2851 2005-01-22  Richard Henderson  <rth@redhat.com>
2852
2853         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2854
2855         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2856
2857 2005-01-22  Richard Henderson  <rth@redhat.com>
2858
2859         * genopinit.c (optabs): Use smin/smax for floating point too.
2860         * doc/md.texi: Update to match.  Clarify that floating point
2861         results are undefined for +0/-0 and NaN.
2862         * doc/rtl.texi: Likewise.
2863         * rtl.def (SMIN, SMAX): Likewise
2864         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2865
2866         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2867         leading 's' to the name.
2868         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2869         smaxxf3, sminxf3): Likewise.
2870         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2871         Likewise.
2872
2873 2005-01-22  Paul Brook  <paul@codesourcery.com>
2874
2875         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
2876
2877 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
2878
2879         * config/s390/s390.c (struct processor_costs): New fields
2880         dlgr, dlr, dr, dsgfr, dsgr.
2881         (z900_cost, z990_cost): Values for new fields.
2882         (s390_rtx_costs): New cases MEM und COMPARE in switch
2883         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
2884         DIV, MOD, UDIV, UMOD.
2885
2886 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2887
2888         * config/s390/s390.md ("doloop_si64"): Reload input value directly
2889         into the register being decremented.
2890         ("doloop_si31", "doloop_di"): Likewise.
2891         ("*doloop_si_long"): Adapt pattern.
2892
2893 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2894
2895         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
2896         access registers.
2897         (CLASS_MAX_NREGS): Likewise.
2898
2899 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
2900
2901         * doc/tree-ssa.texi (Statement Operands): Add example for new
2902         must-def macro. Note deprecation of old operands interface.
2903
2904 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
2905
2906         PR tree-optimization/19484
2907         * tree-cfg.c (remove_fallthru_edge): New function.
2908         (cleanup_control_flow): Remove fallthru edges from calls that are
2909         now known not to return.
2910
2911 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
2912
2913         Fix PR tree-optimization/19038
2914         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
2915         copies with loop variant ones.
2916
2917 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
2918
2919         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
2920         config/alpha/alpha-protos.h, config/alpha/alpha.h,
2921         config/alpha/alpha.md, config/alpha/predicates.md,
2922         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
2923         config/sparc/sol2.h: Update copyright.
2924
2925         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
2926         first label to see if it is a nonlocal label.
2927
2928 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
2929             Andrew Pinski  <pinskia@physics.uc.edu>
2930
2931         PR target/19491
2932         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
2933         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
2934
2935 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2936
2937         * config/rs6000/rtems.h: Update copyright.
2938
2939 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2940
2941         PR target/19548
2942         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
2943         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
2944         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
2945
2946 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2947
2948         PR c/18809
2949         * c-typeck.c (convert_arguments): Check for error_mark_node.
2950
2951 2005-01-21  Ian Lance Taylor  <ian@airs.com>
2952
2953         PR tree-optimization/13000
2954         * tree-inline.c: Include "tree-flow.h".
2955         (expand_call_inline): If warn_return_type, warn if non-void inline
2956         function falls through.
2957         * tree-cfg.c (execute_warn_function_return): Don't warn about
2958         control reaching end if TREE_NO_WARNING is set.  Set
2959         TREE_NO_WARNING.
2960         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
2961         has been lowered.
2962         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
2963         branch if we don't need one.
2964         * c-typeck.c: Include "tree-flow.h"
2965         (c_finish_bc_stmt): Don't add a goto if the current statement
2966         list doesn't fall through to the current point.
2967
2968 2005-01-21  Roger Sayle  <roger@eyesopen.com>
2969
2970         PR rtl-optimization/576
2971         * real.c (real_arithmetic): Change return type from void to bool
2972         to return an indication that the result may be inexact.
2973         * real.h (real_arithmeric): Update prototype.
2974         * fold-const.c (const_binop):  Don't constant fold floating
2975         point expressions when the user specifies -frounding-math and
2976         the result may depend upon the run-time rounding mode.
2977         (fold_convert_const_real_from_real): Clean-up.
2978         (fold_initializer): Ignore flag_rounding_math for initializers.
2979         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
2980         constant fold FP operations with flag_rounding_math if the
2981         result may depend upon the run-time rounding mode.
2982
2983 2005-01-21  Tom Tromey  <tromey@redhat.com>
2984
2985         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
2986
2987 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
2988
2989         * tree-cfg.c: Fix comment typos.
2990
2991 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
2992
2993         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
2994         around the call to rest_of_handle_branch_target_load_optimize.
2995
2996 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2997
2998         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
2999         (sparc64-*-openbsd*): Likewise.
3000         (sparclite-*-elf*): Include tm-dwarf2.h.
3001         (sparc86x-*-elf*): Likewise.
3002         (sparc64-*-elf*): Likewise.
3003         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3004         (DBX_DEBUGGING_INFO): Likewise.
3005         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3006         (PREFERRED_DEBUGGING_TYPE): Likewise.
3007         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3008         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3009         (PREFERRED_DEBUGGING_TYPE): Likewise.
3010         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3011         (PREFERRED_DEBUGGING_TYPE): Likewise.
3012         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3013
3014 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3015
3016         PR target/18701
3017         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3018
3019 2005-01-20  Paul Brook  <paul@codesourcery.com>
3020
3021         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3022
3023 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3024
3025         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3026         label is first in a sequence of labels.
3027
3028         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3029
3030 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3031             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3032
3033         * doc/sourcebuild.texi (Test Directives): New.
3034
3035 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3036
3037         * real.c (real_floor): Don't leave the result uninitialized when
3038         mode is VOIDMode, but return the unrounded intermediate value.
3039         (real_ceil): Likewise.
3040
3041 2005-01-20  Paul Brook  <paul@codesourcery.com>
3042
3043         * config/arm/arm.md (insv): Use gen_int_mode.
3044
3045 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3046
3047         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3048         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3049         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3050         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3051         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3052
3053 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3054
3055         Fix PR debug/19124
3056         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3057         fbreg, so we have to assume we can't.
3058         (loc_descriptor_from_tree_1): Ditto.
3059         (containing_function_has_frame_base): New function.
3060         (add_location_or_const_value_attribute): Use it.
3061         Also try to generate a frame_base from a single element location
3062         list.
3063
3064 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3065
3066         PR tree-optimization/15349
3067         * timevar.def (TV_TREE_MERGE_PHI): New.
3068         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3069         PHI_WANTED.
3070         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3071         calls to tree_forwarder_block_p.
3072         (remove_forwarder_block_with_phi, merge_phi_nodes,
3073         gate_merge_phi, pass_merge_phi): New.
3074         * tree-optimize.c (init_tree_optimization_passes): Add
3075         pass_merge_phi.
3076         * tree-pass.h: Add an extern for pass_merge_phi;
3077
3078 2005-01-20  Richard Henderson  <rth@redhat.com>
3079
3080         PR target/19418
3081         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3082         (_mm_castps_pd, _mm_castps_si128): New.
3083         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3084
3085 2005-01-20  Richard Henderson  <rth@redhat.com>
3086
3087         PR target/19530
3088         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3089         __builtin_ia32_vec_init_v2si.
3090         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3091         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3092         (ix86_init_mmx_sse_builtins): Create it.
3093         (ix86_expand_builtin): Expand it.
3094         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3095         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3096         (vec_extractv2si_0, vec_extractv2si_1): New.
3097
3098 2005-01-20  Richard Henderson  <rth@redhat.com>
3099
3100         PR target/16533
3101         * config/i386/i386.c (ix86_expand_push): New.
3102         * config/i386/mmx.md (push<MMXMODE>1): New.
3103         * config/i386/sse.md (push<SSEMODE>1): New.
3104         * config/i386/i386-protos.h: Update.
3105
3106 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3107
3108         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3109         copyright.
3110
3111 2005-01-20  Richard Henderson  <rth@redhat.com>
3112
3113         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3114         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3115
3116 2005-01-19  Richard Henderson  <rth@redhat.com>
3117
3118         PR target/19350
3119         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3120         to V4SFmode in SSE1 fallback load path.
3121
3122 2005-01-19  Richard Henderson  <rth@redhat.com>
3123
3124         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3125         in QImode expansion to ix86_expand_vector_set.
3126         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3127
3128 2005-01-19  Richard Henderson  <rth@redhat.com>
3129
3130         PR target/19511
3131         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3132         subclass of the input class.
3133         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3134         Always true for cross-SSE1 classes.  Rationalize conditionals.
3135         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3136         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3137         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3138         (movdi_2): Add MMX/SSE zeros.
3139         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3140         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3141         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3142         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3143         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3144         (zero_extendsidi2_rex64_1): Remove.
3145         (MOV0 peephole): Check GENERAL_REG_P.
3146
3147 2005-01-19  Richard Henderson  <rth@redhat.com>
3148
3149         PR target/19427
3150         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3151         shufps elements.
3152         (ix86_expand_vector_extract): Likewise.
3153
3154 2005-01-19  Richard Henderson  <rth@redhat.com>
3155
3156         PR middle-end/19304
3157         * expr.c (emit_move_change_mode): New argument force; use
3158         simplify_gen_subreg if true.
3159         (emit_move_via_alt_mode): Merge into ...
3160         (emit_move_via_integer): ... here.
3161         (emit_move_ccmode): Use emit_move_change_mode directly.
3162
3163 2005-01-19  Richard Henderson  <rth@redhat.com>
3164
3165         PR target/19518
3166         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3167         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3168         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3169         rtl if true.
3170         (alpha_emit_set_const): Likewise.  Make static.
3171         (alpha_emit_set_long_const): Make static.
3172         (alpha_extract_integer): Split out from alpha_expand_mov.
3173         (alpha_split_const_mov): Likewise.
3174         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3175         (alpha_legitimate_constant_p): New.
3176         * config/alpha/alpha-protos.h: Update.
3177         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3178         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3179         * config/alpha/alpha.md (movsi): Add n alternative.
3180         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3181         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3182         (splitters for all of the above): Use alpha_split_const_mov.
3183         * config/alpha/predicates.md (non_add_const_operand): New.
3184         (non_zero_const_operand): New.
3185         (input_operand): Use alpha_legitimate_constant_p after reload.
3186
3187 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3188
3189         PR tree-optimization/19038
3190         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3191         (add_candidate): Add ivs with increment in latch only if
3192         allow_ip_end_pos_p is true.
3193         (determine_iv_cost): Use empty_block_p.
3194
3195 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3196
3197         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3198         (compute_dominance_frontiers): Ditto.
3199
3200 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3201
3202         PR target/19529
3203         * config/sh/t-rtems: New.
3204         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3205
3206 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3207
3208         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3209         the offset of the selected field.
3210
3211 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3212
3213         * tree-cfg.c (remove_forwarder_block): Fix the check to
3214         prevent a nonlocal label from appearing in the middle of a
3215         basic block.
3216
3217 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3218
3219         PR rtl-optimization/19462
3220         * reorg.c (find_end_label): Create return insn only if
3221         current_function_epilogue_delay_list is empty.
3222
3223 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3224
3225         * doc/passes.texi: Remove paragraph mentioning new-ra.
3226
3227 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3228
3229         PR rtl-optimization/15139
3230         * combine.c: Include params.h.
3231         (count_rtxs): New function.
3232         (record_value_for_reg): If replace_rtx would replace at least
3233         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3234         (clobber (const_int 0)) instead of TEM.
3235         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3236         * params.h (MAX_LAST_VALUE_RTL): New.
3237         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3238         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3239
3240         PR c/17297
3241         * c-typeck.c (digest_init): Only call build_vector if all constructor
3242         elements are *_CST nodes.
3243         * gimplify.c (gimplify_init_constructor): Likewise.
3244
3245         PR middle-end/19164
3246         * c-typeck.c (digest_init): Only call build_vector if inside_init
3247         is a CONSTRUCTOR.
3248
3249 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3250
3251         * toplev.c (init_asm_output): Remove dead #ifdef.
3252
3253 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3254
3255         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3256
3257 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3258
3259         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3260         accessing DECL_FUNCTION_CODE.
3261         * dojump.c (do_jump): Likewise.
3262         * gimplify.c (gimplify_call_expr): Likewise.
3263         * predict.c (expr_expected_value): Likewise.
3264         (strip_builtin_expect): Likewise.
3265         * tree-inline.c (estimate_num_insns_1): Likewise.
3266         * tree-ssa-loop-im.c (stmt_cost): Likewise
3267         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3268         (tree_expr_nonnegative_p): Likewise.
3269
3270 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3271
3272         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3273         variant of the load_pcrel_sym pattern.
3274         * config/sparc/sparc.md (P macro): Move to the top.
3275         (load_pcrel_sym): Macroize using P.
3276         (save_register_window): Likewise.
3277
3278 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3279
3280         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3281         ("sordered"): Same.
3282
3283 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3284
3285         PR C/19472
3286         * c-typeck.c (build_asm_expr): Strip nops off
3287         input memory operands.
3288
3289 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3290
3291         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3292         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3293         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3294         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3295
3296 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3297
3298         PR target/19379
3299         * config/i386/i386.c (override_options): If the 80387 is disabled,
3300         then do not return FP values using FP registers.
3301
3302 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3303
3304         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3305         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3306         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3307         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3308         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3309         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3310         output.h, postreload-gcse.c, postreload.c, recog.c,
3311         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3312         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3313         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3314         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3315         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3316         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3317         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3318         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3319
3320         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3321         config/alpha/alpha.c, config/arm/vfp.md,
3322         config/i386/emmintrin.h, config/i386/i386-modes.def,
3323         config/i386/i386-protos.h, config/i386/i386.h,
3324         config/i386/pmmintrin.h, config/i386/ppro.md,
3325         config/i386/predicates.md, config/i386/xmmintrin.h,
3326         config/i860/i860.c, config/ia64/ia64-modes.def,
3327         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3328         config/ia64/ia64.md, config/ia64/itanium1.md,
3329         config/ia64/itanium2.md, config/ia64/predicates.md,
3330         config/iq2000/iq2000.h, config/mips/linux64.h,
3331         config/rs6000/aix41.h, config/rs6000/aix43.h,
3332         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3333         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3334         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3335         config/sparc/linux64.h, config/sparc/litecoff.h,
3336         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3337         config/sparc/sparc.h, config/sparc/sparc.md,
3338         config/sparc/sysv4-only.h: Update copyright.
3339
3340 2005-01-18  Richard Henderson  <rth@redhat.com>
3341
3342         PR target/19496
3343         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3344
3345 2005-01-18  Marc Espie  <espie@openbsd.org>
3346         * config/i386/openbsdelf.h: Typo.
3347
3348 2005-01-18  Richard Henderson  <rth@redhat.com>
3349
3350         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3351         special case for sse.
3352         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3353
3354 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3355
3356         * tree-inline.c (estimate_num_insns_1): Added cases for
3357         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3358
3359 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3360
3361         PR rtl-optimization/19296
3362         * combine.c (simplify_comparison): Rewrite the condition under
3363         which a non-paradoxical SUBREG of a PLUS can be lifted when
3364         compared against a constant.
3365
3366 2005-01-18  Andi Kleen <ak@muc.de>
3367
3368         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3369         * c.opt (-Wpointer-sign): Add.
3370         * doc/invoke.texi: (-Wpointer-sign): Add.
3371
3372 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3373
3374         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3375         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3376         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3377         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3378         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3379         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3380         for TARGET_MIX_SSE_I387.
3381         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3382         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3383         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3384         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3385         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3386         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3387         TARGET_MIX_SSE_I387.
3388         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3389         from expander.
3390
3391 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3392
3393         PR target/19424
3394         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3395         Add movaps alternative for xmm reg->reg move.
3396
3397 2005-01-17  Jeff Law  <law@redhat.com>
3398
3399         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3400         at the end of the main DOM loop rather than just before DOM exits.
3401
3402 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3403
3404         PR tree-optimization/19121
3405         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3406         adding aliases to a name tag, also add them to the pointer's
3407         type tag.
3408         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3409         sensitive alias info at all.  Only check that the two pointers
3410         have compatible pointed-to sets.
3411         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3412         a pointer's type tag is a superset of the alias set of the
3413         pointer's name tag.
3414
3415 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3416
3417         PR target/19357
3418         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3419         comment to document why.
3420
3421 2005-01-17  Richard Henderson  <rth@redhat.com>
3422
3423         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3424         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3425         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3426         sse2_vmsminv2df3_finite): New.
3427         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3428         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3429         Force op1 into register.
3430
3431 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3432
3433         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3434         bubblestrap from always rebuilding build directory.
3435
3436 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3437
3438         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3439         ("*cmpmem_short"): Likewise.
3440
3441 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3442
3443         * basic-block.h: Document BB_* flags.
3444         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3445         use an sbitmap instead.
3446         * sched-rgn.c (compute_trg_info): Likewise.
3447
3448 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3449
3450         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3451         redundant target_cpu_default and extra_parts lines.  Use the default
3452         "from-abi" ISA.
3453         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3454         (SUBTARGET_EXTRA_SPECS): Delete.
3455         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3456         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3457         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3458         and "n32" for -mabi=n32.
3459
3460 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3461
3462         PR c/5675
3463         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3464         fold constant variables into initial values.
3465
3466 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3467
3468         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3469
3470         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3471         through the statements backward.
3472
3473 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3474
3475         PR middle-end/13127:
3476         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3477         a variable set to the return value of the inlined function.
3478
3479 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3480
3481         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3482         when modes are tieable.
3483
3484 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3485
3486         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3487         of pthread_create to find out if threads are enabled.
3488         * gthr-posix95.h (__gthread_active_p): Likewise.
3489
3490 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3491
3492         * common.opt (-fnew-ra): Remove.
3493         * ra*.*: Remove.
3494         * toplev.h (flag_new_regalloc): Remove.
3495         * Makefile.in (ra*.*): Don't mention.
3496         * passes.c (rest_of_handle_new_regalloc): Remove.
3497         (rest_of_handle_combine, rest_of_compilation): Always consider
3498         flag_new_regalloc as false.
3499         * doc/invoke.texi: Don't document -fnew-ra.
3500
3501 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3502
3503         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3504         last parameter to reg_scan.
3505         * loop.c (loop_optimize): Likewise.
3506         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3507         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3508         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3509         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3510         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3511         * regclass.c (reg_scan): Likewise, for the declaration.
3512         * rtl.h (reg_scan): Likewise, for the prototype.
3513
3514 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3515
3516         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3517         mark_dfs_back_edges.
3518
3519 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3520
3521         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3522         (compute_avail): Uses don't go in tmp_gen.
3523
3524 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3525
3526         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3527         loop to look for a free slot in a page entry.
3528
3529 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3530
3531         PR target/16304
3532         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3533         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3534         just before targetm.asm_out.file_end.
3535         * tree.h (process_pending_assemble_output_defs): Declare.
3536         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3537         New functions.
3538         (assemble_alias): Defer generation of assembly code for defines when
3539         TARGET_DEFERRED_OUTPUT_DEFS is true.
3540         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3541         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3542         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3543
3544 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3545
3546         PR target/19336
3547         * pa.c (pa_scalar_mode_supported_p): New function.
3548         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3549         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3550
3551         * pa-protos.h (prefetch_operand): Delete.
3552         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3553         * pa.c (prefetch_operand): Delete.
3554         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3555         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3556         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
3557         and prefetch_nocc_operand.
3558         * pa.md (prefetch): Rework to avoid reload problems handling short
3559         displacements when a cache control completer needs to be provided.
3560         (prefetch_32, prefetch_64): Delete.
3561         (prefetch_cc, prefetch_nocc): New patterns.
3562
3563 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
3564
3565         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3566
3567 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3568
3569         PR ada/19388
3570         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3571         exceeds maximum alignment for global common data.
3572         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3573         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3574
3575 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3576
3577         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3578
3579 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3580
3581         * harg-reg-set.h (reg_class_names): Prototype global array.
3582         * regclass.c (reg_class_names): Declare here and initialize to
3583         REG_CLASS_NAMES.
3584         (dump_regclass): Remove local declaration of reg_class_names.
3585         (regclass): Likewise.
3586         * cfg.c (dump_flow_info): Likewise.
3587         * ra-debug.c (reg_class_names): Likewise.
3588         * regrename.c (reg_class_names): Likewise.
3589         * reload.c (reg_class_names): Likewise.
3590         * reload1.c (spill_failure): Likewise.
3591         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3592
3593 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
3594
3595         * config/s390/s390.md ("reload_outti"): Remove predicate for
3596         output operand.  Abort if operand is not a MEM.
3597         ("reload_outdi", "reload_outdf"): Likewise.
3598
3599 2005-01-15  Marc Espie  <espie@openbsd.org>
3600
3601         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3602         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3603         * config/openbsd.h:  Fix C++ includes for native configurations.
3604         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
3605         Add trampoline support.
3606         * config/i386/openbsdelf.h: New.
3607
3608 2005-01-15  Marc Espie  <espie@openbsd.org>
3609
3610         * collect2.c (main): Explicitly parse -dynamic-linker option.
3611
3612 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
3613
3614         PR tree-optimization/19060
3615         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3616         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3617         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3618         and handle extract_range_from_cond returning false.
3619         * fold-const.c (fold): Optimize comparisons with min/max even for
3620         width > HOST_BITS_PER_WIDE_INT.
3621
3622 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
3623
3624         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3625         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
3626         Remove little endian multilib variants.
3627         Add mips32 multilib variant.
3628
3629 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
3630
3631         * explow.c (copy_all_reg, stabilize): Remove.
3632         * expr.h: Remove the corresponding prototypes.
3633
3634         * rtlanal.c (regs_set_between_p): Remove.
3635         * rtl.h: Remove the corresponding prototype.
3636
3637 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
3638
3639         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3640         to rs6000_nonimmediate_operand.
3641         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3642         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3643         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3644         rs6000_nonimmediate_operand.
3645         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3646         rs6000_nonimmediate_operand.
3647
3648 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
3649
3650         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3651
3652 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3653
3654         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3655         on e500v2.
3656         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3657         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3658
3659         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3660         (rs6k_nonimmediate_operand): New.
3661         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3662         correctly.
3663         (legitimate_lo_sum_address_p): Same.
3664         (rs6000_legitimize_address): Same.
3665         (rs6000_legitimize_reload_address): Same.
3666         (rs6000_legitimate_address): Same.
3667         (spe_build_register_parallel): Pass DF and DC modes in a DI
3668         register.
3669
3670         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3671         to rs6k_nonimmediate_operand.
3672
3673         * config/rs6000/spe.md ("*frob_df_di"): New.
3674         ("*frob_di_df"): New.
3675         ("*frob_di_df_2"): New.
3676         ("*mov_sidf_e500_subreg0"): New.
3677         ("*mov_sidf_e500_subreg4"): New.
3678         ("*movdf_e500_double"): Change predicate to
3679         rs6k_nonimmediate_operand.
3680
3681 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3682
3683         * postreload.c (move2add_note_store): Only call
3684         trunc_int_for_mode on scalar integers.
3685
3686 2005-01-14  Steven Bosscher  <stevenb@suse.de>
3687
3688         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3689         replace BB_VISITED uses.
3690         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3691         (propagate_necessity): Check the bitmap instead of BB_VISITED.
3692         (tree_dce_done): Free visited_control_parents.
3693         (perform_tree_ssa_dce): Allocate and clear it.
3694         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3695         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
3696         instead of BB_VISITED.
3697
3698 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
3699
3700         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3701         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3702         Remove unused prototypes.
3703
3704 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3705
3706         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3707         64-bit register usage.
3708         (spe_func_has_64bit_regs_p): Add FIXME note.
3709
3710 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3711
3712         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
3713         flag_finite_math_only with flag_unsafe_math_optimizations.
3714
3715 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
3716
3717         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
3718         end-of-stack check.
3719         (__tpf_eh_return): Copy TPF private stack area from the module
3720         boundary stack frame.  Add check for when module addresses are
3721         equal, but no stub address is found.
3722
3723 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
3724
3725         PR target/7525
3726         * arm.h (struct machine_function): Add call_via field.
3727         (thumb_call_via_label): Declare.
3728         * arm.c (thumb_call_via_label): New variable.
3729         (thumb_call_reg_needed): New variable.
3730         (arm_output_function_epilogue): For Thumb code, output any per-function
3731         call-indirect trampolines.
3732         (thumb_call_via_reg): New function.
3733         (arm_file_end): New function.
3734         (TARGET_ASM_FILE_END): Call arm_file_end.
3735         (aof_file_end): Likewise.
3736         * arm-protos.h (thumb_call_via_reg): Declare.
3737         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
3738         thumb_call_via_reg in normal case.
3739
3740 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
3741
3742         PR middle-end/19084
3743         PR rtl-optimization/19348
3744         * recog.c (peephole2_optimize): Do global life update if some peephole
3745         decides it doesn't need at least one of its inputs and that change
3746         influences liveness at the start of the basic block.
3747
3748         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
3749         arguments instead of 1.
3750
3751 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
3752
3753         PR middle-end/18820
3754         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
3755         zero for nested functions needing a static chain or functions
3756         with a non-constant address.
3757
3758 2005-01-13  Roger Sayle  <roger@eyesopen.com>
3759
3760         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
3761         (and (sign_extend X) C) into (zero_extend (and X C)).
3762
3763 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
3764
3765         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
3766
3767 2005-01-13  Richard Henderson  <rth@redhat.com>
3768
3769         PR target/19009
3770         PR target/19250
3771         PR target/19252
3772         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
3773         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
3774         not just TARGET_SSE.
3775         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
3776         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
3777         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
3778         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
3779         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
3780         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
3781         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
3782         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
3783         (movdicc_c_rex64): Rename with '*'.
3784         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
3785         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
3786         (movsfcc_1_387): Rename from movsfcc_1.
3787         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
3788         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
3789         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
3790         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
3791         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
3792         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
3793         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
3794         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
3795         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
3796         sse_movdfcc_const0_4): Remove.
3797         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
3798         recognize min/max early.  Update for changed sse cmove patterns.
3799         (ix86_split_sse_movcc): New.
3800         * config/i386/i386-protos.h: Update.
3801
3802 2005-01-13  Steven Bosscher  <stevenb@suse.de>
3803
3804         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
3805         (fix_stmt_v_may_defs): Likewise.
3806
3807 2005-01-13  Richard Henderson  <rth@redhat.com>
3808
3809         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
3810         for converting the mask.
3811
3812 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
3813
3814         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
3815         definition to 600.
3816
3817 2005-01-13  Richard Henderson  <rth@redhat.com>
3818
3819         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
3820         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
3821         IX86_BUILTIN_MOVDQ2Q): Remove.
3822         (IX86_BUILTIN_VEC_EXT_V4SI): New.
3823         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
3824         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
3825         shuffling.
3826         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
3827         (sse2_pextrw): Fix immediate constraint.
3828         (sse2_loadq, sse2_loadq_rex64): Remove.
3829         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
3830         Use __builtin_ia32_vec_ext_<size>.
3831         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
3832
3833 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
3834
3835         * function.c (assign_parm_setup_block): Look inside original
3836         entry_parm when inspecting PARALLEL.
3837
3838 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
3839             Joel Sherrill  <joel@oarcorp.com>
3840
3841         PR target/19399
3842         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
3843         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
3844         rtems_gxx_recursive_mutex_init.
3845         (__gthread_recursive_mutex_lock): New function.
3846         (__gthread_recursive_mutex_trylock): Likewise.
3847         (__gthread_recursive_mutex_unlock): Likewise.
3848
3849 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
3850
3851         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
3852
3853 2005-01-13  Jan Beulich  <jbeulich@novell.com>
3854
3855         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
3856         (ashrti3_internal): Indicate output is early clobber. Generate result
3857         into output rather than first input. Use move for low word of output
3858         if shift count is exactly 64.
3859         (lshrti3_internal): Likewise.
3860
3861 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
3862
3863         PR target/18329
3864         PR target/18330
3865         * reload1.c (delete_output_reload): Don't delete an output reload
3866         if the pseudo lives longer than a single basic block.  Adjust and
3867         improve wording of comment.
3868
3869 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
3870
3871         PR target/19334
3872         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
3873         of TYPE_SIZE where we mean the number of bytes.
3874
3875 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
3876
3877         * function.c (assign_parm_setup_block): Relax condition on
3878         multi-register optimization.
3879
3880 2005-01-12  Nick Clifton  <nickc@redhat.com>
3881
3882         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
3883         an "in_delay_slot" attribute of "no" to prevent them being used in
3884         delay slots.  This is forbidden because they might generate
3885         exceptions.
3886
3887 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
3888
3889         PR target/19389
3890         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
3891         with r->Y and Y->r.
3892
3893 2005-01-12  Nick Clifton  <nickc@redhat.com>
3894
3895         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
3896         passed on to GAS) but do not define, as GAS no longer supports or
3897         needs the -m2000 option.
3898
3899 2005-01-11  Roger Sayle  <roger@eyesopen.com>
3900
3901         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
3902         type as args of unprototyped builtins aren't automatically promoted.
3903         (fold_builtin_abs): Likewise.
3904
3905 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3906
3907         * Makefile.in: Set a `build-warn' variable.
3908
3909 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
3910
3911         PR tree-optimization/17949
3912         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
3913         (find_interesting_uses_address): Use it.
3914
3915 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
3916
3917         * regrename.c (kill_value): Handle subreg's that won't simplify.
3918
3919 2005-01-11  Richard Henderson  <rth@redhat.com>
3920
3921         PR target/13366
3922         * config/i386/i386.h (enum ix86_builtins): Move ...
3923         * config/i386/i386.c: ... here.
3924         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
3925         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
3926         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
3927         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
3928         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
3929         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
3930         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
3931         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
3932         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
3933         IX86_BUILTIN_LOADDDUP): Remove.
3934         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
3935         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
3936         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
3937         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
3938         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
3939         (ix86_init_builtins): Make static.
3940         (ix86_init_mmx_sse_builtins): Update for changed builtins.
3941         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
3942         if all the modes match.  Otherwise, fake it.
3943         (get_element_number, ix86_expand_vec_init_builtin,
3944         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
3945         (ix86_expand_builtin): Make static.  Update for changed builtins.
3946         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
3947         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
3948         (ix86_expand_vector_init_duplicate): New.
3949         (ix86_expand_vector_init_low_nonzero): New.
3950         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
3951         Split out from ix86_expand_vector_init; handle integer modes.
3952         (ix86_expand_vector_init): Use them.
3953         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
3954         * config/i386/i386-protos.h: Update.
3955         * config/i386/predicates.md (reg_or_0_operand): New.
3956         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
3957         (movv2sf_internal): Likewise.  And a splitter to match them all.
3958         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
3959         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
3960         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
3961         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
3962         (mmx_pinsrw): Fix operand ordering.
3963         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
3964         rather than sse_loadss expander.
3965         (movv2df splitter): Similarly.
3966         (sse_loadss, sse_loadlss): Remove.
3967         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
3968         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
3969         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
3970         (sse3_movddup): Rename with '*'.
3971         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
3972         (sse2_loadsd): Remove.
3973         (vec_dupv2df_sse3): Rename from sse3_loadddup.
3974         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
3975         (sse2_pinsrw): Fix argument ordering.
3976         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
3977         (sse2_stored): Remove 'r' destination.
3978         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
3979         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
3980         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
3981         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
3982         vec_extractv16qi, vec_initv16qi): New.
3983
3984         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
3985         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
3986         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
3987         constructor form.
3988         (_mm_load_pd, _mm_store_pd): Use plain dereference.
3989         (_mm_load_si128, _mm_store_si128): Likewise.
3990         (_mm_load1_pd): Use _mm_set1_pd.
3991         (_mm_load_sd): Use _mm_set_sd.
3992         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
3993         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
3994         (_mm_set_epi64): Use _mm_set_epi64x.
3995         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
3996         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
3997         _mm_setr_epi8): Use _mm_set_foo form.
3998         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
3999         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4000         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4001         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4002         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4003         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4004         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4005         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4006         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4007         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4008         (_mm_movedup_pd): Use _mm_shuffle_pd.
4009         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4010         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4011         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4012         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4013         Use _mm_setzero_ps.
4014         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4015         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4016         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4017         (_mm_store_ps): Use raw dereference.
4018         (_mm_store1_ps): Use _mm_storeu_ps.
4019         (_mm_storer_ps): Use _mm_store_ps.
4020         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4021         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4022
4023 2005-01-11  Stan Shebs  <shebs@apple.com>
4024
4025         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4026         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4027
4028 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4029
4030         PR target/18761
4031         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4032         Skip all DECLs except for FIELD_DECLs.
4033
4034 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4035
4036         * config/s390/s390.c (override_options): Return error if
4037         -mbackchain, -mpacked-stack and -mhard-float are used together.
4038         (s390_va_start): Remove the backchain && packed-stack special case.
4039         (s390_gimplify_va_arg): Likewise.
4040         * doc/invoke.texi: Remove the ABI incompatibility note.
4041
4042 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4043
4044         * config/s390/s390.c (struct s390_frame_layout): Remove
4045         save_backchain_p.
4046         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4047         save_backchain_p with TARGET_BACKCHAIN.
4048
4049 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4050
4051         PR target/18916
4052         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4053         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4054         * function.c (locate_and_pad_parm): Set new field.
4055         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4056         Tweak where_pad test to include "none".  Always set mem align for
4057         stack_parm.
4058         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4059         not sufficient for type.
4060         (assign_parm_setup_block): If stack_parm is zero on entry, always
4061         make a new stack local.  Block move old stack parm if necessary
4062         to new aligned stack local.
4063         (assign_parm_setup_stack): Use a block move to handle
4064         potentially misaligned entry_parm.
4065         (assign_parms_unsplit_complex): Specify required alignment when
4066         creating stack local.
4067         * calls.c (compute_argument_addresses): Override alignment of stack
4068         arg calculated from its type with the alignment given by
4069         FUNCTION_ARG_BOUNDARY.
4070         (store_one_arg): Likewise.
4071
4072 2005-01-11  Jan Beulich  <jbeulich@novell.com>
4073
4074         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4075         Change respective itanium_class attribute to ialu.
4076         (shladdp4_internal): New.
4077         * config/ia64/predicates.md (shladd_log2_operand): New.
4078
4079 2005-01-11  Richard Henderson  <rth@redhat.com>
4080
4081         * expr.c (store_constructor): Use rtvec_alloc instead of
4082         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4083
4084 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
4085
4086         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4087
4088 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4089
4090         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4091         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4092         (TARGET_RWRELOC): Define.
4093         (ia64_rwreloc_section_type_flags): Delete.
4094         (ia64_section_type_flags): New function.
4095         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4096         (TARGET_RWRELOC): Define.
4097
4098 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
4099
4100         PR target/18987
4101         * config/ia64/ia64.c (process_set): For alloc insn, only call
4102         process_epilogue is !frame_pointer_needed.
4103
4104 2005-01-10  Roger Sayle  <roger@eyesopen.com>
4105
4106         PR c++/19355
4107         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4108         unary operator and can't be treated as a binary/comparison operator.
4109
4110 2005-01-10  Richard Henderson  <rth@redhat.com>
4111
4112         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4113         (ix86_return_in_memory): Likewise.
4114         (function_arg_advance):  Likewise.  Mirror structure in function_arg
4115         for choosing register to advance.
4116
4117 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
4118
4119         * tree-vectorizer.c, tree.def: Fix comment typos.
4120
4121 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
4122
4123         * config/s390/s390.c (struct processor_costs): 4 new fields:
4124         ddbr, ddr, debr, der.
4125         (s390_rtx_costs): More precise handling of divide instructions.
4126
4127 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
4128
4129         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4130
4131 2005-01-10  Jan Beulich  <jbeulich@novell.com>
4132
4133         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4134         names resulting from -ffunction-sections/-fdata-sections and linkonce
4135         ones.
4136         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4137         based on the section name. Rearrange the section name comparison logic
4138         slightly so that each section name is compared against at most once.
4139
4140 2005-01-10  Ben Elliston  <bje@au.ibm.com>
4141
4142         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4143         targets for which -fPIC reduces limitations on the GOT size.
4144
4145 2005-01-09  Falk Hueffner  <falk@debian.org>
4146
4147         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4148         X/C1 cmpop C2.
4149
4150 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
4151
4152         PR target/18720
4153         * collect2.c (main): Set aixrtl_flag for -brtl option.
4154         (resolve_lib_name): Search for .so file extension before .a
4155         if aixrtl_flag set.
4156
4157 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
4158
4159         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4160         (vect_analyze_data_refs_alignment): Add dump prints.
4161
4162 2005-01-09  Ira Rosen  <irar@il.ibm.com>
4163
4164         * tree-vectorizer.c (vect_analyze_offset_expr): Use
4165         expr_invariant_in_loop_p.
4166         Initialize outputs first thing in the function.
4167         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4168         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4169         (vect_analyze_pointer_ref_access): Check that the initial condition of
4170         the access function is loop invariant.
4171
4172 2005-01-09  Richard Henderson  <rth@redhat.com>
4173
4174         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4175         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
4176         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
4177         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4178         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4179         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4180         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4181         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4182         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4183         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4184         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4185         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4186         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4187         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4188         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4189         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4190         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4191         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4192         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4193         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4194         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4195         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4196         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4197         mmx_ prefix.
4198         (mmx_clrdi, pavgusb): Remove.
4199         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4200         with leading sse_ prefix.
4201         * config/i386/sse.md: Receive them.
4202         * config/i386/mmx.md: New file.
4203         (MMXMODE12, MMXMODE24, mmxvecsize): New.
4204         (subrv2sf3): Turn into expander for normal subtraction.
4205         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4206         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4207         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4208         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4209         commutative; use ix86_binary_operator_ok.
4210         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4211         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4212         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4213         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4214         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4215         Macroize from existing patterns; use ix86_binary_operator_ok.
4216         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4217         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4218         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
4219         with vec_select+vec_concat.
4220         (mmx_pshufw, mmx_pshufw_1): Likewise.
4221         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
4222         (mmx_uavgv4hi3): Model correctly.
4223         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4224         _mm_xor_si64): Remove casts.
4225
4226 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
4227
4228         PR tree-optimization/19224
4229         * tree-scalar-evolution.c (get_instantiated_value,
4230         set_instantiated_value): New functions.
4231         (instantiate_parameters_1): Cache the results.
4232         (instantiate_parameters, resolve_mixers): Initialize and free
4233         the cache.
4234
4235 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
4236
4237         * config/i386/i386.md (addhi_4): Correct reference in comment.
4238         (addqi_4): Same.
4239
4240 2005-01-08  Richard Henderson  <rth@redhat.com>
4241
4242         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4243         (_mm_cvtsi128_si64x): Likewise.
4244         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4245         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4246         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4247         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4248         * config/i386/i386-protos.h: Update.
4249         * config/i386/i386.c (print_operand): Add 'H'.
4250         (ix86_fixup_binary_operands): Split out from ...
4251         (ix86_expand_binary_operator): ... here.
4252         (ix86_fixup_binary_operands_no_copy): New.
4253         (ix86_expand_fp_absneg_operator): Handle vector mode results.
4254         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4255         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4256         (safe_vector_operand): Use CONST0_RTX.
4257         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4258         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4259         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
4260         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
4261         special cases.
4262         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4263         (IX86_BUILTIN_CMPNGESS): New.
4264         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4265         (attr type): Add sselog1.
4266         (attr unit, attr memory): Handle it.
4267         (movti, movti_internal, movti_rex64): Move near other integer moves.
4268         (movtf, movtf_internal): Move near other fp moves.
4269         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
4270         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
4271         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
4272         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
4273         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
4274         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
4275         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
4276         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
4277         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
4278         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
4279         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
4280         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
4281         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4282         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4283         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
4284         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
4285         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
4286         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
4287         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
4288         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
4289         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
4290         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
4291         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
4292         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
4293         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
4294         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
4295         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4296         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
4297         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
4298         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
4299         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
4300         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
4301         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
4302         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
4303         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
4304         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
4305         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
4306         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
4307         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
4308         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
4309         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
4310         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
4311         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
4312         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
4313         same time.
4314         (SSEPUSH, push<SSEPUSH>): Remove.
4315         (MMXPUSH, push<MMXPUSH>): Remove.
4316         (sse_movaps, sse_movaps_1, sse_movups): Remove.
4317         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
4318         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
4319         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
4320         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
4321         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
4322         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
4323         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
4324         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
4325         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
4326         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
4327         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
4328         (ppro_sse_log_V4SF): Handle sselog1.
4329         * config/i386/predicates.md (const_0_to_1_operand): New.
4330         (const_0_to_255_mul_8_operand): New.
4331         (const_1_to_31_operand): Rename from const_int_1_31_operand.
4332         (const_2_to_3_operand, const_4_to_7_operand): New.
4333         * config/i386/sse.md: New file.
4334         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
4335         (sse_movups): Rename from sse_movups_1.
4336         (sse_loadlss): Rename from sse_loadss_1.
4337         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
4338         from the name.
4339         (negv4sf2): Use ix86_expand_fp_absneg_operator.
4340         (absv4sf2, negv2df, absv2df): New.
4341         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
4342         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
4343         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
4344         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
4345         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
4346         (sse3_addsubv4sf3): Model correctly.
4347         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
4348         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
4349         (sse_movhlps): Model with vec_select+vec_concat.
4350         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
4351         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
4352         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
4353         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
4354         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
4355         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
4356         sse2_pshufhw_1): Likewise.
4357         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
4358         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
4359         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
4360         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
4361         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
4362         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
4363         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
4364         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
4365         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
4366         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
4367         sminv8hi3): Mark commutative
4368         operands.  Use ix86_binary_operator_ok.
4369         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
4370         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
4371         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
4372         sse2_punpcklqdq): Allow operand2 in memory.
4373         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
4374         sse2_movsd): Add memory alternatives.
4375         (sse_storelps): Turn expander into an insn; split after reload.
4376         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
4377         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
4378
4379 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4380
4381         * configure.ac (DWARF-2 debug_line): Use objdump.
4382         * configure: Regenerate.
4383
4384 2005-01-08  Jeff Law  <law@redhat.com>
4385             Diego Novillo  <dnovillo@redhat.com>
4386
4387         PR tree-optimization/18241
4388         * tree-nrv.c (tree_nrv): Ignore volatile return values.
4389         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
4390         statements with volatile operands.
4391         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
4392         operands after marking a statement with has_volatile_ops.
4393
4394 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4395
4396         * tree.c (int_fits_type_p): Always honor integer constant
4397         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
4398
4399 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4400
4401         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
4402         the latent bug in rtl_delete_block has been resolved.
4403
4404 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4405
4406         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
4407         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
4408
4409 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4410
4411         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
4412         library as @multilib_dir@/$(SHLIB_SONAME).
4413
4414 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4415
4416         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
4417         * configure: Regenerate.
4418
4419 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4420
4421         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
4422         TYPE_MODE.
4423
4424 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
4425
4426         PR target/13674
4427         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4428         Convert non-word aligned offset address using ld/std into
4429         indirect address.
4430
4431 2005-01-07  Richard Henderson  <rth@redhat.com>
4432
4433         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
4434
4435 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
4436
4437         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
4438
4439 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4440
4441         PR tree-optimization/19283
4442         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
4443         is not shorter than the original type.
4444
4445         PR rtl-optimization/19012
4446         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
4447
4448         PR rtl-optimization/18861
4449         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
4450         (FULL_STATE): Define.
4451         (mark_tablejump_edge): New function.
4452         (purge_dead_tablejump_edges): New function.
4453         (find_bb_boundaries): Use it.
4454
4455         PR tree-optimization/18828
4456         * builtins.c (expand_builtin_next_arg): Remove argument and all
4457         the argument checking.
4458         (expand_builtin): Adjust caller.
4459         (expand_builtin_va_start): Likewise.  Remove error for too many
4460         arguments.
4461         (fold_builtin_next_arg): Issue error for too many arguments.
4462         After checking arguments, replace them with magic arguments that
4463         prevent further checking of the args.
4464
4465 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4466
4467         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
4468
4469 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4470
4471         PR target/6077
4472         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
4473         and %{.S:...} (and their negative variants) to test whether the
4474         input file is assembler or pre-processed-assembler independent of
4475         the actual filename extension.
4476
4477 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4478
4479         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
4480         of sign or zero extended values.
4481
4482 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
4483
4484         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
4485         for IBM long double format correctly.
4486
4487 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
4488
4489         Fix PR tree-optimization/18792
4490
4491         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
4492         to first_loop_depth, and use loop depth instead of loop number.
4493         (build_classic_dir_vector): Ditto.
4494         (compute_data_dependences_for_loop): Use depth, not loop number.
4495         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
4496         number. Pass in loops, instead of loop numbers.
4497         (gather_interchange_stats): Ditto.
4498         (linear_transform_loops): Ditto.
4499
4500 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
4501
4502         PR rtl-opt/13299
4503         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
4504         biv_fits_mode_p, extension_within_bounds_p): New functions.
4505         (check_ext_dependent_givs): Use them.
4506
4507 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4508
4509         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
4510         more than one barrier, in which case we should delete them all.
4511
4512 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
4513
4514         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
4515
4516 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
4517
4518         Fix PR middle-end/19286
4519         Fix PR debug/19267
4520         * dwarf2out.c (gen_subprogram_die): If we've already tried to
4521         output this subprogram, simply ignore this attempt to do it again.
4522         (add_abstract_origin_attribute): Don't abort trying to add the abstract
4523         origin attribute if it's not possible.
4524         (gen_block_die): Don't ignore subblocks of "unused" blocks.
4525         (decls_for_scope): Ditto.
4526         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
4527         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
4528
4529 2005-01-05  Richard Henderson  <rth@redhat.com>
4530
4531         PR target/11327
4532         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
4533         (bdesc_2arg): Use it.
4534         (ix86_expand_binop_builtin): Force operands into registers
4535         when optimizing.
4536         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
4537         ix86_expand_sse_compare, ix86_expand_sse_comi,
4538         ix86_expand_builtin): Likewise.
4539
4540 2005-01-05  Richard Henderson  <rth@redhat.com>
4541
4542         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
4543         and VEC_SELECT.
4544         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
4545         (mulv4hi3): Set itanium_class mmmul.
4546         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
4547         (fpack): Rename from fpack_sfsf.
4548
4549 2005-01-05  Richard Henderson  <rth@redhat.com>
4550
4551         PR rtl-opt/10692
4552         * reload1.c (do_input_reload): Restrict the optimization deleteing
4553         a previous output reload to RELOAD_FOR_INPUT.
4554
4555 2005-01-05  Steven Bosscher  <stevenb@suse.de>
4556
4557         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
4558         comment that we fall through after case.
4559         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
4560         (distribute_links): Likewise.
4561         * cse.c (cse_insn): Likewise.
4562         * cselib.c (cselib_invalidate_mem): Likewise.
4563         * df.c: Update comments at the top of the file.
4564         (read_modify_subreg_p): Update comments here too.
4565         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
4566         * flow.c (mark_set_1): Likewise.
4567         (mark_used_regs): Likewise.
4568         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4569         (canon_list_insert): Likewise.
4570         (mark_set): Likewise.
4571         (try_replace_reg): Likewise.
4572         (store_killed_in_insn): Likewise.
4573         * loop.c (count_one_set): Likewise.
4574         (basic_induction_var): Likewise.
4575         * postreload-gcse.c (find_mem_conflicts): Likewise.
4576         * postreload.c (reload_combine_note_store): Likewise.
4577         (move2add_note_store): Likewise.
4578         * reload.c (find_equiv_reg): Likewise.
4579         (mark_referenced_resources): Likewise.
4580         * rtlanal.c (set_noop_p): Likewise.
4581         (note_stores): Likewise.
4582         (note_uses): Likewise.
4583         * sched-deps.c (sched_analyze_1): Likewise.
4584         * sched-rgn.c (check_live_1): Likewise.
4585         (update_live_1): Likewise.
4586         * config/i860/i860.c: Likewise.
4587
4588         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
4589         an lvalue.
4590         (ZERO_EXTRACT): Mention that this one can be an lvalue.
4591
4592         * doc/rtl.texi: Update documentation for bit-fields and SET.
4593
4594 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4595
4596         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
4597
4598 2005-01-05  Jan Hubicka  <jh@suse.cz>
4599             Richard Henderson  <rth@redhat.com>
4600
4601         PR target/18910
4602         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
4603         with an offset.
4604
4605 2005-01-05  Richard Henderson  <rth@redhat.com>
4606
4607         PR target/12902
4608         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
4609         (sse_shufps): Change operand 3 to const_int_operand.
4610         (sse2_storelps): Fix typo in template.
4611         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
4612         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
4613         (ix86_expand_builtin): Likewise.
4614
4615 2005-01-05  Julian Brown  <julian@codesourcery.com>
4616
4617         * config/arm/arm.c (arm_return_in_memory): Treat complex types
4618         as aggregates for AAPCS ABIs.
4619
4620 2005-01-05  Stan Shebs  <shebs@apple.com>
4621
4622         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
4623         Mach-O getters if ppc64.
4624         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
4625         size argument.
4626         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4627         signed four-byte field for global code case.
4628         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
4629
4630 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4631
4632         PR middle-end/19100
4633         * c-common.c: Include real.h.
4634         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
4635         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
4636         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
4637         * Makefile.in (c-common.o): Update dependencies.
4638
4639 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4640
4641         * c-parse.in (asm_string): Add trailing semicolon.
4642
4643 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4644
4645         * c-parse.in (asm_string): New.  Don't allow wide strings in
4646         'asm'.
4647         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
4648         asm_string instead of STRING.
4649
4650 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4651
4652         * c-typeck.c (constructor_no_implicit): Remove.
4653         (set_designator, process_init_element): Don't check
4654         constructor_no_implicit.
4655
4656 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
4657             Kaz Kojima  <kkojima@gcc.gnu.org>
4658
4659         PR target/16482
4660         * lcm.c (create_pre_exit): New.
4661         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
4662         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
4663
4664 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4665
4666         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
4667         -msoft-float in target_float_switch.
4668         * arm.c (arm_override_options): Fix processing of target_float_switch.
4669
4670 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4671
4672         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
4673         preferencing.
4674
4675 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
4676
4677         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
4678         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
4679
4680 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4681
4682         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
4683         if deleting the then-block allows the test-block to fallthru to the
4684         else-block.
4685
4686 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
4687
4688         PR c/19152
4689         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
4690         after the full declaration if the are in two different TUs.
4691
4692 2005-01-04  Richard Henderson  <rth@redhat.com>
4693
4694         PR tree-opt/19158
4695         * tree-sra.c (generate_one_element_init): Just
4696         call gimplify_and_add.
4697         (generate_element_init): Record the
4698         new referenced variables and mark them for renaming
4699         and split out to ...
4700         (generate_element_init_1): This.
4701         (scalarize_init): Don't call push_gimplify_context/
4702         pop_gimplify_context.
4703
4704 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
4705
4706         * toplev.c (get_src_pwd): Handle failure of getpwd().
4707
4708 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4709
4710         * fold-const.c (fold_single_bit_test): Delete unreachable handling
4711         of TRUTH_NOT_EXPR.
4712         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
4713         all the cases handled by it are inverted by invert_truthvalue.
4714
4715 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4716
4717         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
4718         (save_register_windowsi): Likewise.
4719
4720 2005-01-04  Richard Henderson  <rth@redhat.com>
4721
4722         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
4723
4724 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4725
4726         PR middle-end/17767
4727         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
4728         any simplifications of vector mode comparison operators.
4729         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
4730
4731 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
4732             Devang Patel  <dpatel@apple.com>
4733
4734         PR tree-optimization/18308
4735         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
4736         the operands before creating a new expression.
4737         * dojump.c (do_jump): Make drop_through_label available
4738         for all cases.  Add expansion of COND_EXPR.
4739
4740 2005-01-04  Ira Rosen  <irar@il.ibm.com>
4741
4742         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
4743         INTEGER_CST instead of TREE_CONSTANT.
4744         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
4745         instead of TREE_CONSTANT.
4746         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
4747         instead of TREE_CONSTANT.
4748
4749 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4750
4751         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
4752
4753 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4754
4755         PR target/19240
4756         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
4757         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
4758
4759 2005-01-03  Richard Henderson  <rth@redhat.com>
4760
4761         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
4762         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
4763         fold_convert_const_real_from_real): Split out from ...
4764         (fold_convert_const): ... here.
4765
4766 2005-01-03  Richard Henderson  <rth@redhat.com>
4767
4768         PR target/19235
4769         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
4770         (mov<MMXMODEI>_internal): Likewise.
4771         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
4772         Add V2SF case; use it for SSE1; don't use TI.
4773         (movdf_integer): Likewise.
4774         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
4775
4776 2005-01-03  Ira Rosen  <irar@il.ibm.com>
4777
4778         * tree-vectorizer.c (vect_strip_conversions): New function.
4779         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
4780         check for binary class.
4781
4782 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
4783
4784         Fix PR debug/17924
4785         Fix PR debug/19191
4786         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
4787         is a decl.
4788         * gimple-low.c (mark_blocks_with_used_vars): New function.
4789         (mark_blocks_with_used_subblocks): Ditto.
4790         (mark_used_blocks): Ditto.
4791         (pass_mark_used_blocks): New pass.
4792         * tree-inline.c: Include debug.h.
4793         (expand_call_inline): Call outlining_inline_function here.
4794         * tree-optimize.c (init_tree_optimization_passes): Add
4795         pass_mark_used_blocks.
4796         * tree-pass.h (pass_mark_used_blocks): New.
4797         * Makefile.in (tree-inline.o): Add debug.h dependency.
4798
4799 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
4800
4801         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
4802         VAR_DECLs to have weak_import attribute.
4803
4804         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
4805         'struct ucontext'.
4806
4807 2004-01-03  Steven Bosscher  <stevenb@suse.de>
4808
4809         * passes.c (rest_of_compilation): Don't run regmove if only
4810         flag_expensive_optimizations, require flag_regmove instead.
4811
4812 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4813
4814         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
4815         register "sparc".
4816         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
4817         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4818         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
4819         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4820
4821 2005-01-03  Richard Henderson  <rth@redhat.com>
4822
4823         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
4824         (ia64_const_ok_for_letter_p): New.
4825         (ia64_const_double_ok_for_letter_p): New.
4826         (ia64_extra_constraint): New.
4827         (ia64_expand_vecint_compare): New.
4828         (ia64_expand_vcondu_v2si): New.
4829         (ia64_expand_vecint_cmov): New.
4830         (ia64_expand_vecint_minmax): New.
4831         (ia64_print_operand): Add 'v'.
4832         (ia64_preferred_reload_class): New.
4833         (ia64_vector_mode_supported_p): New.
4834         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
4835         (PREFERRED_RELOAD_CLASS): Move to function.
4836         (CONST_OK_FOR_LETTER_P): Move to function.
4837         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
4838         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
4839         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
4840         (EXTRA_CONSTRAINT): Move to function.
4841         * config/ia64/ia64.md: Include vect.md.
4842         (itanium_class): Add mmalua.
4843         (type): Handle it.
4844         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
4845         (1b_mmalua): New.
4846         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
4847         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
4848         CONST0_RTX.
4849         (const_int_2bit_operand): New.
4850         (fr_reg_or_0_operand): New.
4851         * config/ia64/ia64-modes.def: Add vector modes.
4852         * config/ia64/ia64-protos.h: Update.
4853         * config/ia64/vect.md: New file.
4854
4855 2005-01-03  Richard Henderson  <rth@redhat.com>
4856
4857         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
4858
4859 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
4860
4861         PR target/19236
4862         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
4863         to SFmode.
4864         (log1pdf2): Change mode of operands[0,1] to DFmode.
4865
4866 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4867
4868         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
4869         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
4870         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
4871         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
4872         SPARC_RELAXED_ORDERING.
4873
4874 2005-01-03  Richard Henderson  <rth@redhat.com>
4875             Uros Bizjak  <uros@kss-loka.si>
4876
4877         PR target/14631
4878         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
4879         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
4880         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
4881         handling.
4882         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
4883         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
4884         const_pow2_1_to_128_operand): New predicates.
4885
4886 2005-01-02  Greg McGary  <greg@mcgary.org>
4887
4888         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
4889         anonymous decls.
4890         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
4891         object.  [ptr_type]: Remove unused variable.
4892         Remember nearest addressable array-element or record-component
4893         when checking bitfield components.  Tolerate empty BIND_EXPR.
4894
4895 2005-01-01  Richard Henderson  <rth@redhat.com>
4896
4897         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
4898         that don't narrow the value.  Fail for other conversions.
4899
4900 2005-01-01  Richard Henderson  <rth@redhat.com>
4901
4902         PR c/19031
4903         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
4904         * c-lang.c (finish_file): Don't do it here.
4905         * objc/objc-act.c (objc_finish_file): Likewise.
4906
4907         * cgraph.c (decl_assembler_name_equal): New.
4908         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
4909         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
4910         * cgraph.h (struct cgraph_varpool_node): Add next.
4911         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
4912         * varasm.c (assemble_alias): Mark the target as needed.
4913
4914 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
4915
4916         PR middle-end/19221
4917         * function.c (get_arg_pointer_save_area): Use entry_of_function
4918         instead of get_insns.
4919
4920 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4921             Andrew Pinski  <pinskia@physics.uc.edu>
4922             James E. Wilson  <wilson@specifixinc.com>
4923
4924         PR rtl-optimization/12092
4925         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
4926         is zero.
4927
4928 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4929             Olivier Hainque  <hainque@act-europe.fr>
4930
4931         * tree.c (int_fits_type_p): A narrower type always fits in a
4932         wider one, except for negative values into unsigned types.
4933
4934 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4935
4936         * tree.c (int_fits_type_p): Compare the result of force_fit_type
4937         with the original constant rather than require TREE_OVERFLOW.
4938
4939 2005-01-01  Steven Bosscher  <stevenb@suse.de>
4940
4941         PR middle-end/17544
4942         * c-decl.c (finish_function): If compiling C99, annotate the
4943         compiler generated return with the current file name and line 0.
4944         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
4945         the source line is greater than 0.
4946         (remove_bb): Likewise.
4947
4948 See ChangeLog.12 for earlier changes.