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Fix FreeBSD __LDBL_MAX__ -pedantic -save-temps bug.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2
3         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
4         (do_compile): Do call it here.
5
6 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7
8         PR rtl-optimization/20017.
9         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
10         rest_of_handle_cse2, rest_of_handle_gcse): Call
11         delete_dead_jumptables immediately before calling cleanup_cfg.
12
13 2005-02-22  Devang Patel  <dpatel@apple.com>
14
15         PR 19952
16         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip 
17         all labels
18         
19 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
20
21         * config/rs6000/aix.h (WINT_TYPE): Define.
22
23 2005-02-22  Stan Shebs  <shebs@apple.com>
24
25         * config/rs6000/rs6000.c (rs6000_override_options): Default to
26         natural alignment for 64-bit Darwin.
27         (rs6000_parse_alignment_option): Warn about uses of -malign-power
28         on 64-bit Darwin.
29         * doc/invoke.texi: Document this.
30
31 2005-02-22  DJ Delorie  <dj@redhat.com>
32
33         * c-common.c (c_common_type_for_mode): Pass the mode's precision
34         to make_[un]signed_type, not the mode itself.
35
36 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
37
38         * cfg.c (cached_make_edge): Call make_edge if edge cache is
39         not available.  Use tail calls wherever possible.
40         (make_edge): Call unchecked_make_edge to create an edge.
41
42         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
43         (coalesce_ssa_name): Don't check for
44         SSANORM_USE_COALESCE_LIST.
45         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
46
47 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
48
49         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
50         (rewrite_into_ssa): ... here.
51
52 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
53
54         PR tree-optimization/19786
55         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
56         tag to another's may-alias bitmap when adding to the other's list.
57
58 2005-02-21  DJ Delorie  <dj@redhat.com>
59
60         * tree-ssa-loop-ivopts.c (computation_cost): Start register
61         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
62         registers in unsupported ways.
63         * expmed.c (init_expmed): Likewise.
64         
65 2005-02-21  Stan Cox  <scox@redhat.com>
66
67         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
68
69 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
70
71         * tree-cfg.c (fold_cond_expr_cond): New.
72         (make_edges): Call fold_cond_expr_cond.
73         (find_taken_edge): Accept nothing but INTEGER_CST.
74         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
75         and 1.
76         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
77
78         * flow.c (delete_dead_jumptables): Speed up by scanning insns
79         that do not belong to any basic block.
80
81 2005-02-21  Jeff Law  <law@redhat.com>
82
83         * cfganal.c (find_unreachable_blocks): Manually CSE load of
84         e->dest.
85
86 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
87
88         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
89         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
90         Adjust their definitions.
91         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
92         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
93
94         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
95         genautomata.c, langhooks.c, langhooks.h, system.h,
96         config/arm/lib1funcs.asm: Update copyright.
97
98 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
99
100         * dbxout.c (dbxout_function_end): Emit Lscope label always.
101
102 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
103
104         PR bootstrap/13770
105         * doc/install.texi: Document --with-gc.
106
107 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
108
109         * simplify-rtx.c (simplify_unary_operation): Add a missing
110         "break" statement.
111
112 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
113
114         PR tree-optimization/18663
115         * tree-ssa-dom.c (extract_range_from_cond): Return 0
116         if the type has variable bounds.
117
118 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
119
120         * gcse.c: Remove an obsolete comment.
121
122         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
123
124 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
125
126         * doc/extend.texi (Function Attributes) <Attribute const>: The
127         attribute "pure" is below this text, not above.
128
129 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
130
131         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
132         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
133         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
134
135 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
136
137         PR 18785
138         * langhooks.h (struct lang_hooks): Add to_target_charset.
139         * langhooks.c (lhd_to_target_charset): New function.
140         * langhooks-def.h: Declare lhd_to_target_charset.
141         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
142         (LANG_HOOKS_INITIALIZER): Update.
143         * c-common.c (c_common_to_target_charset): New function.
144         * c-common.h: Declare it.
145         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
146         c_common_to_target_charset.
147
148         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
149         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
150         Delete definitions.
151         * system.h: Poison them.
152         * doc/tm.texi: Don't discuss them.
153         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
154         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
155         (pp_c_char): Do not attempt to generate letter escapes for
156         newline, tab, etc.
157         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
158         * config/mips/mips.c (mips_output_ascii): Likewise.
159
160 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
161
162         PR tree-optimization/19951
163         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
164         is abnormal.
165
166 2005-02-19  Steven Bosscher  <stevenb@suse.de>
167
168         PR middle-end/19698
169         * function.h (struct function): New field `max_loop_depth'.
170         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
171         (flow_loops_find): Reset the max loop depth count before finding loops.
172         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
173         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
174         (calculate_global_regs_live): Make sure the loop will terminate
175         when the initial sets are not empty.
176
177 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
178
179         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
180         object inside.
181         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
182
183 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
184
185         PR other/19525
186         * doc/invoke.texi: Remove documentation of %M spec.
187         * gcc.c: Likewise.
188         (init_spec): Remove %M suffix from -lgcc_s.
189         (do_spec_1): Remove 'M' case.
190         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
191         to put shared libraries in the multilib directory.  Remove the
192         shlib_so_soname substitution variable.  Don't add a multilib encoding
193         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
194         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
195         SHLIB_INSTALL as well as SHLIB_LINK.
196         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
197         (SHLIB_NAME): Delete.
198         (SHLIB_DIR): New macro.
199         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
200         (SHLIB_INSTALL): Adjust accordingly.
201         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
202         * config/t-slibgcc-sld: Likewise.
203         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
204         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
205         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
206         in $(SHLIB_DIR).
207         (SHLIBUNWIND_INSTALL): Adjust accordingly.
208         * config/i386/t-nwld (SHLIB_SONAME): Delete.
209         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
210         Use @shlib_base_name@ instead of @shlib_so_name@.
211         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
212         and @shlib_base_name@.so in @multilib_dir@.
213         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
214         to the install path.
215         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
216         (SHLIB_LINK): Remove previous workaround.
217         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
218         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
219         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
220         the install path.
221         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
222         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
223         (SHLIB_INSTALL): Adjust accordingly.
224         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
225         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
226         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
227         config/t-slibgcc-elf-ver.
228
229 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
230             Jakub Jelinek  <jakub@redhat.com>
231
232         PR tree-optimization/19828
233         * tree-ssa-loop-im.c: Add a TODO comment.
234         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
235         without side-effects.
236
237 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
238
239         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
240         call fold_convert.
241
242 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
243
244         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
245         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
246         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
247         functions.
248         (ia64_reorg): Delete fixup_errata call.
249         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
250         (TARGET_SWITCHES): Delete -mb-step entry.
251
252 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
253
254         PR c/20043
255         * c-typeck.c (composite_type): Handle quals in transparent unions.
256         (type_lists_compatible_p): Likewise.
257
258 2005-02-18  Stan Shebs  <shebs@apple.com>
259
260         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
261         expressions in the .literal8 section.
262
263 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
264
265         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
266
267 2005-02-18  Roger Sayle  <roger@eyesopen.com>
268
269         * fold-const.c (constant_boolean_node): Always create values of the
270         specified type, don't bother calling truthvalue_conversion.
271
272 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
273
274         * except.c (output_function_exception_table): Call
275         assemble_external_libcall (eh_personality_libfunc).
276
277 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
278
279         PR target/19886
280         * config/ia64/ia64.h (struct machine_function): Add state_num.
281         * config/ia64/ia64.c (process_epilogue,
282         process_for_unwind_directive): Use new unwind state numbers each
283         time rather than state 1.
284
285 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
286
287         PR target/20054
288         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
289         before the "*llgt_didi" pattern.
290
291 2005-02-18  Jason Merrill  <jason@redhat.com>
292
293         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
294
295 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
296
297         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
298         (div0): Use it in place of ARM_FUNC_ALIAS.
299         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
300
301 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
302
303         PR middle-end/20030
304         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
305         access, the lower bound of the array type if it exists.
306
307 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
308
309         PR c++/20008
310         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
311         cases that are out-of-range for the index type.
312
313 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
314
315         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
316         (estimate_case_costs): Don't call convert.
317         * expmed.c (expand_shift): Likewise.
318         (make_tree): Call fold_convert instead of convert.
319
320 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
321
322         PR c++/19813
323         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
324         that ref to be marked MEM_READONLY_P doesn't have base that needs
325         constructing.
326
327 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
328
329         * genautomata.c (output_get_cpu_unit_code_func,
330         output_cpu_unit_reservation_p): Don't generate old-style function
331         definitions.
332
333 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
334
335         PR c++/20023
336         PR tree-optimization/20009
337         * convert.c (convert_to_integer): Revert 2005-02-16 change.
338
339         PR tree-optimization/18947
340         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
341         inline, remove all nodes that are inlined into the extern inline
342         being redefined.
343
344 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
345
346         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
347         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
348         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
349         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
350         Update copyright.
351
352 2005-02-17  Roger Sayle  <roger@eyesopen.com>
353
354         PR tree-optimization/19917
355         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
356         to be potentially trapping.
357
358 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
359
360         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
361
362 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
363
364         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
365         tem becomes a local variable which is set to the value of the
366         back end defined INITIAL_FRAME_ADDRESS macro.
367         (expand_builtin_frame_address): Omit the base parameter to
368         expand_builtin_return_addr.
369         (expand_builtin_profile_func): Likewise.
370         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
371         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
372         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
373
374 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
375
376         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
377         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
378         * config/frv/frv.c (frv_function_epilogue): Likewise.
379
380 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
381
382         * lambda-code (perfect_nestify): Remove mark/unmark
383         for rewriting hack.
384         * tree-loop-linear.c (linear_transform_loops): Add
385         rewrite_into_ssa call so that ssa is correct for
386         rewriting into loop closed.
387
388 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
389
390         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
391         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
392         BITMAP_FREE.
393         * bt-load.c (btr_def_live_range, combine_btr_defs,
394         migrate_btr_def, migrate_btr_defs): Likewise.
395         * cfgcleanup.c (thread_jump): Likewise.
396         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
397         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
398         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
399         df_rd_local_compute, df_reg_info_compute): Likewise.
400         * dominance.c (init_dom_info, free_dom_info): Likewise.
401         * flow.c (init_propagate_block_info,
402         free_propagate_block_info): Likewise.
403         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
404         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
405         modify_reg_pav): Likewise.
406         * loop-invariant.c (find_defs, find_invariant_insn,
407         find_invariants, free_inv_motion_data): Likewise.
408         * predict.c (tree_predict_by_opcode,
409         estimate_bb_frequencies): Likewise.
410         * stmt.c (expand_case): Likewise.
411         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
412         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
413         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
414         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
415         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
416         rewrite_ssa_into_ssa): Likewise.
417         * tree-optimize.c (tree_rest_of_compilation): Likewise.
418         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
419         analyze_edges_for_bb, perform_edge_inserts): Likewise.
420         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
421         * tree-sra.c (tree_sra): Likewise.
422         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
423         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
424         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
425         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
426         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
427         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
428         Likewise.
429         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
430         calculate_live_on_entry, calculate_live_on_exit,
431         build_tree_conflict_graph): Likewise.
432         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
433         record_important_candidates, set_use_iv_cost, find_depends,
434         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
435         tree_ssa_iv_optimize_finalize): Likewise.
436         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
437         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
438         tree_duplicate_loop_to_header_edge): Likewise.
439         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
440         * tree-ssa.c (verify_flow_insensitive_alias_info,
441         verify_name_tags, verify_ssa, init_tree_ssa,
442         delete_tree_ssa): Likewise.
443         * tree-ssanames.c (marked_ssa_names, init_ssanames,
444         fini_ssanames): Likewise.
445         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
446
447 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
448
449         * config/rs6000/t-rtems: Completely reworked.
450
451 2005-02-17  Ira Rosen  <irar@il.ibm.com>
452
453         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
454
455 2005-02-17  Ira Rosen  <irar@il.ibm.com>
456
457         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
458         POINTER_TYPE_P when checking that type is a pointer.
459         (vect_get_memtag): Remove.
460         (vect_address_analysis): Use POINTER_TYPE_P. Call
461         vect_object_analysis with dummy parameter for memtag.
462         (vect_object_analysis): Extract memtag (functionality that
463         used to be in vect_get_memtag and moved here). Fix printings.
464         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
465         with correct parameters. Remove call to vect_get_memtag.
466
467 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
468
469         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
470         (tree-vectorizer.o): Added missing dependencies.
471
472         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
473         decleration.
474         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
475         declaration in tree-vectorizer.c, now has an extern declaration in
476         tree-vectorizer.h).
477         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
478         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
479         get_vectype_for_scalar_type, vect_is_simple_use,
480         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
481         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
482         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
483         vectorizable_store, vectorizable_operation, vectorizable_assignment,
484         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
485         find_loop_location): Likewise.
486
487         * tree-vectorizer.c (langhooks.h): #include removed.
488         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
489         moved to tree-vectorized.h.
490         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
491         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
492         get_vectype_for_scalar_type, vect_is_simple_use,
493         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
494         vect_supportable_dr_alignment, new_loop_vec_info,
495         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
496         vect_set_verbosity_level, find_loop_location): Likewise.
497
498         (vect_analyze_loop): Function externalized. Declaration moved to
499         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
500         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
501         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
502         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
503         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
504         vect_enhance_data_refs_alignment, vect_analyze_operations,
505         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
506         vect_stmt_relevant_p, vect_get_loop_niters,
507         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
508         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
509         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
510         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
511         vect_get_memtag): Likewise.
512
513         (vectorizable_load): Function externalized. Declaration moved to
514         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
515         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
516         vect_transform_loop): Likewise.
517         (vect_transform_stmt): Moved to tree-vect-transform.c.
518         (vect_align_data_ref, vect_create_destination_var,
519         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
520         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
521         vect_get_vec_def_for_operand, vect_init_vector,
522         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
523         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
524         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
525         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
526         vect_do_peeling_for_loop_bound): Likewise.
527
528         * tree-vect-analyze.c: New file.
529         * tree-vect-transform.c: New file.
530
531 2005-02-17  Jason Merrill  <jason@redhat.com>
532
533         PR mudflap/19319, c++/19317
534         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
535         slot explicit.
536
537 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
538
539         * doc/install.texi (Specific): Update link for Darwin-specific
540         tool binary site.
541
542 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
543
544         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
545         constant_boolean_node.
546
547 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
548
549         PR target/19019
550         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
551         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
552
553 2005-02-16  Richard Henderson  <rth@redhat.com>
554
555         PR 19920
556         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
557         with W_TYPE_SIZE.
558         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
559         replace uses with Wtype_MAXp1_F.
560         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
561         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
562         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
563         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
564         and HAVE_TFMODE as appropriate.
565         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
566         (__floatdisf): Likewise.
567         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
568         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
569         (Wtype_MAXp1_F): New.
570         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
571         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
572
573 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
574
575         * PR target/19162
576         * arm.c (arm_apply_result_size): New function.
577         * arm.h (APPLY_RESULT_SIZE): Define.
578         * arm-protos.h (arm_apply_result_size): Add prototype.
579         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
580         (movxf): New expand.
581         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
582         (call_value_symbol): Remove predicate for operand 0.
583         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
584         (untyped_call): Rework to correclty return values for any type.
585         (untyped_return): New expand.
586         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
587
588 2005-02-16  Stan Shebs  <shebs@apple.com>
589
590         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
591         * config/rs6000/t-darwin8: New, for 64-bit multilib.
592
593 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
594
595         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
596         configure settings on Solaris 7 and later.
597
598 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
599
600         PR tree-optimization/19865
601         * tree-optimize.c (init_tree_optimization_passes): Run
602         pass_may_alias after pass_sra.
603
604 2005-02-16  Richard Henderson  <rth@redhat.com>
605             Stuart Hastings  <stuart@apple.com>
606
607         PR debug/19521
608         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
609         Do nothing if debug info suppressed for this function.
610         (dbxout_begin_function): Early exit if debug info suppressed for
611         this function.
612
613 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
614
615         PR target/20007
616         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
617         find_basic_blocks.
618         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
619
620         PR tree-optimization/19967
621         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
622         expand_builtin_strchr, expand_builtin_strrchr): Take a new
623         argument TYPE.  Adjust calls to fold_builtin_XXX.
624         (expand_builtin, fold_builtin_1): Adjust calls to
625         expand_builtin_XXX.
626         (fold_builtin_strchr, fold_builtin_strpbrk,
627         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
628         result to a requested type TYPE.
629
630 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
631
632         PR middle-end/19857
633         * fold-const.c (fold): Don't optimize (T)(x & cst) to
634         (T)x & (T)cst if (T)cst overflows.
635         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
636         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
637
638 2005-02-15  Jeff Law  <law@redhat.com>
639
640         * gcse.c (blocks_with_calls): New bitmap.
641         (alloc_gcse_mem): Allocate it.
642         (free_gcse_mem): Free it.
643         (clear_modifY_mem_tables): Clear it.
644         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
645         when we encounter CALL_INSNs.
646         (compute_transp, case MEM): Handle blocks with calls separate
647         from blocks without calls.  Use bitmap iterators rather than
648         FOR_EACH_BB.
649
650 2005-02-15  Peter O'Gorman  <peter@pogma.com>
651
652         PR bootstrap/18810
653         * mklibgcc.in (vis_hide): Use a temporary object file, not
654         -o /dev/null.
655
656 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
657
658         PR target/19924
659         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
660         access optimization.
661
662 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
663             Alan Modra  <amodra@bigpond.net.au>
664
665         PR target/19019
666         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
667         (_xlqsub): Rename to __gcc_qsub.
668         (_xlqmul): Rename to __gcc_qmul.
669         (_xlqdiv): Rename to __gcc_qdiv.
670         Provide versioned symbol aliases with old names.
671         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
672         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
673         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
674         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
675         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
676
677 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
678
679         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
680         Fold ~(A - 1) and ~(A + -1) to -A.
681
682 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
683
684         PR pch/14940
685         PR target/19300
686         * config/host-linux.c (linux_gt_pch_use_address): Copy from
687         config/pa/pa-host.c:pa_gt_pch_use_address.
688
689 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
690
691         * tree-vn.c (get_value_handle): Make sure that given an
692         is_gimple_min_invariant expression, we always return it.
693
694 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
695
696         * passes.c (rest_of_handle_gcse): Fix a comment.
697
698 2005-02-15  Jeff Law  <law@redhat.com>
699
700         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
701         bitmap.
702         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
703         (canon_list_insert, record_last_mem_set_info): Similarly.
704         (clear_modify_mem_tables): Similarly.
705
706 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
707
708         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
709         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
710         config/mips/mips.md, config/rs6000/aix.h,
711         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
712
713 2005-02-15  Richard Henderson  <rth@redhat.com>
714
715         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
716         call to be best_edge.
717
718 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
719
720         * basic-block.h: Adjust the prototype for find_basic_blocks.
721         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
722         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
723         find_basic_blocks.
724
725         * flow.c (recompute_reg_usage): Remove all arguments.
726         * passes.c (rest_of_compilation): Adjust the call to
727         recompute_reg_usage.
728         * rtl.h: Adjust the prototype for recompute_reg_usage.
729
730 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
731
732         * tree-dump.c (dump_files): Update to reflect new member
733         of dump_file_info.
734         (dump_register): Add new argument.
735         Set glob name.
736         (dump_switch_p_1): Check against glob name if doglob was passed.
737         (dump_switch_p): Check against regular first, then glob if
738         we didn't have any hits on the dump name.
739         * tree-optimize.c (register_one_dump_file):
740         Pass in glob name as well.
741         * tree-pass.h (struct dump_file_info): Add glob
742         member.
743
744 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
745
746         PR preprocessor/16323
747         * doc/invoke.texi: Document that -Wendif-labels is on by default.
748
749 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
750
751         PR target/19019
752         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
753         (trunctfdf2_internal1): New.
754         (trunctfdf2_internal2): Renamed from trunctfdf2.
755
756 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
757
758         PR tree-optimization/19853
759         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
760
761 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
762
763         * passes.c (rest_of_handle_loop_optimize): Remove calls to
764         delete_dead_jumptables and cleanup_cfg.
765
766 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
767
768         * reload.c (find_reloads): Swap address_reloaded flags when
769         swapping commutative operands.
770
771 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
772
773         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
774         Use standard_iv_increment_position for computing the bsi position
775         for create_iv.
776         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
777         the bsi position.
778
779 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
780
781         PR target/17428
782         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
783         life range of hard registers.
784         * value-prof.c (insn_prefetch_values_to_profile): Only
785         scan normal insns.
786
787         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
788         profile in libcalls.
789
790 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
791
792         * bitmap.h (bitmap_and_compl_into): Return bool.
793         * bitmap.c (bitmap_and_compl_into): Return changed flag.
794
795 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
796
797         PR tree-optimization/19944
798         * fold-const.c (fold): Re-add ABS_EXPR folding.
799
800 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
801
802         PR target/19019
803         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
804         {TARGET,MASK}_XL_COMPAT.
805         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
806         MASK_XL_COMPAT.
807         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
808         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
809         TARGET_XL_COMPAT.
810         (rs6000_arg_partial_bytes): Same.
811         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
812         and XL compatibility enabled.
813         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
814         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
815         test to final condition.
816         (cmptf_internal2): New.
817         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
818         xl-compat.  Add TFmode information to description.
819
820 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
821
822         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
823
824 2005-02-13  Jason Merrill  <jason@redhat.com>
825
826         PR c++/16405
827         * fold-const.c (fold_indirect_ref_1): Split out from...
828         (build_fold_indirect_ref): Here.
829         (fold_indirect_ref): New fn.
830         * tree.h: Declare it.
831         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
832         (gimplify_modify_expr_rhs): Likewise.
833         (gimplify_expr): Likewise.
834
835 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
836
837         PR tree-optimization/14303
838         PR tree-optimization/15784
839         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
840         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
841         ABS_EXPR<x> != 0 to x != 0.
842
843 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
844
845         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
846         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
847         spelling conventions.
848
849         * passes.c (rest_of_handle_gcse): Don't run cse_main and
850         delete_trivially_dead_insns too many times.
851
852         * passes.c (rest_of_handle_gcse): Remove dead assignments to
853         tem and tem2.
854
855 2005-02-12  Ira Rosen  <irar@il.ibm.com>
856
857         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
858         (vect_is_simple_iv_evolution): Remove redundant parameter
859         and step check.
860         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
861         without last parameter.
862         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
863         Return pointer step. Call vect_is_simple_iv_evolution without
864         last parameter. Check only that the step is multiple of size
865         type. Remove stmt_vinfo updates.
866         (vect_get_memtag_and_dr): Remove.
867         (vect_get_memtag): New function.
868         (vect_address_analysis): New function.
869         (vect_object_analysis): New function.
870         (vect_analyze_data_refs): Call vect_object_analysis and
871         vect_get_memtag. Update stmt_vinfo fields.
872
873 2005-02-12  Ira Rosen  <irar@il.ibm.com>
874
875         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
876         exist and are objects. Remove checks for pointer.
877         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
878         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
879         (vect_create_data_ref_ptr): Likewise.
880         (vect_base_addr_differ_p): New function.
881         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
882         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
883         Don't set the DR_BASE_NAME field of data-ref.
884         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
885
886 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
887
888         * optabs.h (enum optab_index): Add new OTI_ldexp.
889         (ldexp_optab): Define corresponding macro.
890         * optabs.c (init_optabs): Initialize ldexp_optab.
891         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
892         patterns.
893         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
894         using ldexp_optab.
895         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
896         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
897
898         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
899         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
900         intrinsics.
901
902 2005-02-12  Ira Rosen  <irar@il.ibm.com>
903
904         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
905         to base_address.
906         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
907         stmt_vec_info.
908         (vect_get_base_and_offset): Always return an address.
909         (vect_create_addr_base_for_vector_ref): Remove treatment for
910         different data reference types.
911         (vect_compute_data_ref_alignment): Rename base to base_address in
912         stmt_vec_info. Get the object in order to force its alignment.
913         (vect_get_memtag_and_dr): Rename base to base_address in
914         stmt_vec_info. Extract the object for memtag analysis.
915
916 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
917
918         PR regression/19898.
919         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
920         changes cc_status, use apply modified_in_p to part of cc_status
921         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
922         body.
923
924 2005-02-11  Richard Henderson  <rth@redhat.com>
925
926         * tree-complex.c (expand_complex_libcall): New.
927         (expand_complex_multiplication): Use it for c99 compliance.
928         (expand_complex_division): Likewise.
929         * fold-const.c (fold_complex_add, fold_complex_mult): New.
930         (fold): Call them.
931         * builtins.c (built_in_names): Remove const.
932         * tree.c (build_common_builtin_nodes): Build complex arithmetic
933         builtins.
934         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
935         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
936         (built_in_names): Remove const.
937         * c-common.c (c_common_type_for_mode): Handle complex modes.
938         * flags.h, toplev.c (flag_complex_method): Rename from
939         flag_complex_divide_method.
940         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
941         __mulsc3, __muldc3, __mulxc3, __multc3): New.
942         * libgcc2.h: Declare them.
943         * libgcc-std.ver: Export them.
944         * mklibgcc.in (lib2funcs): Build them.
945
946 2005-02-11  Steven Bosscher  <stevenb@suse.de>
947
948         PR tree-optimization/19876
949         Partially revert my change from 2005-01-14
950         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
951         (compute_antic): ...and remove the loop here.
952
953 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
954
955         PR middle-end/19858
956         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
957         is number of inner's bits, avoid creating a BIT_FIELD_REF.
958
959         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
960         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
961
962 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
963
964         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
965         offsets for the big-endian 32-bit case.
966
967 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
968
969         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
970
971 2005-02-11  Dale Johannesen  <dalej@apple.com>
972
973         * cselib.c (cselib_process_insn):  Clear out regs where
974         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
975         * reload.c (find_equiv_reg): Ditto.
976
977 2005-02-11  Ian Lance Taylor  <ian@airs.com>
978
979         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
980         with no elements.
981
982         * tree.c (build_function_type_list): Work correctly if there are
983         no arguments.
984
985 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
986
987         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
988         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
989         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
990         TARGET_ZARCH instead of TARGET_64BIT.
991
992 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
993
994         * config/rs6000/t-rtems:
995         (MULTILIB_OPTIONS): Remove mcpu=602.
996         (MUTLILIB_DIRNAMES): Remove m602.
997         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
998         Let mcpu=602 match mcpu=603.
999         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1000
1001 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1002
1003         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1004         signal trampolines.
1005
1006 2005-02-10  David Daney  <ddaney@avtrex.com>
1007
1008         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1009         * config/i386/linux-unwind.h: Likewise.
1010         * config/ia64/linux-unwind.h: Likewise.
1011         * config/mips/linux-unwind.h: Likewise.
1012         * config/pa/linux-unwind.h: Likewise.
1013         * config/rs6000/linux-unwind.h: Likewise.
1014         * config/s390/linux-unwind.h: Likewise.
1015         * config/sh/linux-unwind.h: Likewise.
1016         * config/sparc/linux-unwind.h: Likewise.
1017
1018 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1019
1020         PR tree-optimization/17549
1021         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1022         TER to replace a DEF with its expression if the DEF and the
1023         rhs of the expression we replace into have the same root
1024         variable.
1025
1026 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1027
1028         * config/mips/mips.md: Fix the placement of the match_scratch in the
1029         lea64 peephole2.
1030
1031 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1032
1033         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1034         Fix comment typos.
1035
1036 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1037
1038         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1039         (strip_offset): Handle addresses.
1040         (add_address_candidates): Use strip_offset.
1041         (difference_cost): Reflect strip_offset change.
1042         (force_var_cost, difference_cost): Strip nops.
1043
1044 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1045
1046         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1047
1048         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1049         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1050         config/cris/cris-protos.h, config/cris/cris.c: Update
1051         copyright.
1052
1053 2005-02-10  Jeff Law  <law@redhat.com>
1054
1055         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1056         (lookup_avail_expr): Similarly.
1057
1058 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1059
1060         * builtins.c (fold_builtin_powi): New function.
1061         (fold_builtin_1): Call it.
1062
1063 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1064
1065         PR documentation/19309
1066         * doc/cpp.texi: The __GNUC__ and related predefined macros
1067         are also defined for the "standalone" cpp.
1068         Some non-GCC compilers may also define __GNUC__.
1069
1070 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1071
1072         PR c/19342
1073         * c-typeck.c (common_type): New routine.  Old common_type renamed
1074         to...
1075         (c_common_type): ...this.
1076         (build_conditional_expr, build_binary_op): Use c_common_type instead
1077         of common_type.
1078
1079 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1080
1081         * doc/md.texi: Replace @samp{length} with @code{length}.
1082
1083 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1084
1085         PR tree-optimization/18687
1086         * tree-flow.h (find_loop_niter): Declare.
1087         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1088         Try using scev even for loops with more than one exit.
1089         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1090         (struct ivopts_data): Added niters field.
1091         (struct nfe_cache_elt): New.
1092         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1093         functions.
1094         (tree_ssa_iv_optimize_init): Initialize niters cache.
1095         (determine_number_of_iterations): Removed.
1096         (find_induction_variables): Do not call determine_number_of_iterations.
1097         Access niters for single exit through niter_for_single_dom_exit.
1098         (add_iv_outer_candidates): Access niters for single exit through
1099         niter_for_single_dom_exit.
1100         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1101         number_of_iterations_cond.
1102         (iv_period): New function.
1103         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1104         (may_replace_final_value): Take data argument.  Use
1105         niter_for_single_dom_exit.
1106         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1107         (rewrite_use_compare): Pass data to may_eliminate_iv.
1108         (rewrite_use_outer): Pass data to may_replace_final_value.
1109         (free_loop_data): Clean up the niters cache.
1110         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1111         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1112         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1113         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1114         (num_ending_zeros): Moved to tree.c.
1115         * tree.h (num_ending_zeros): Declare.
1116         * tree.c (num_ending_zeros): Moved from tree.c.
1117
1118 2005-02-09  Richard Henderson  <rth@redhat.com>
1119
1120         * builtins.c (DEF_BUILTIN): Add COND argument.
1121         * tree.h (DEF_BUILTIN): Likewise.
1122         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1123         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1124         match.
1125         (DEF_BUILTIN_STUB): New.
1126         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1127         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1128         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1129         * c-common.c (DEF_BUILTIN): Add COND argument.
1130         * tree.c (local_define_builtin): New.
1131         (build_common_builtin_nodes): New.
1132
1133 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1134
1135         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1136         floating point expression ignoring the sign of the result.
1137         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1138         (fold) <MULT_EXPR>: Use it to simplify x*x.
1139         * tree.h (fold_strip_sign_ops): Prototype here.
1140         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1141         argument.  Use fold_strip_sign_ops to simplify the first argument.
1142         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1143         first argument when the second argument is an even integer
1144         constant, but only with -funsafe_math_optimizations.
1145         (fold_builtin_1): Update call to fold_builtin_copysign.
1146
1147 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1148
1149         PR middle-end/19583
1150         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1151         just check whether EH_FILTER_FAILURE falls through.
1152
1153 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1154
1155         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1156         insns return to ready list in the next turn.
1157
1158 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1159
1160         PR middle-end/19402
1161         * builtins.def: New __builtin_powi[lf].
1162         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1163         (expand_builtin_powi): New function.
1164         (expand_builtin): Dispatch to expand_builtin_powi.
1165         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1166         * libgcc2.c: Add __builtin_powi[lf] implementation.
1167         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1168         * optabs.h: Add powi_optab.
1169         * optabs.c (init_optabs): Initialize powi_optab.
1170         * doc/extend.texi: Document __builtin_powi[lf].
1171
1172 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1173
1174         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1175         exists.
1176
1177 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1178
1179         PR middle-end/19854
1180         * fold-const.c (try_move_mult_to_index): Remove redundant
1181         type argument.  Create ADDR_EXPR with correct type.
1182         (fold): Update callers of try_move_mult_to_index.  Convert
1183         result to the appropriate type.
1184
1185 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1186
1187         PR target/19597
1188         * config/avr/avr.c (default_rtx_costs): Delete.
1189         (avr_operand_rtx_cost): New function.
1190         (avr_rtx_costs): Completely rewrite.
1191
1192 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1193
1194         PR target/19806
1195         * config/cris/cris.c (in_code): New variable.
1196         (cris_output_addr_const): Now a static function, a wrapper for
1197         output_addr_const.
1198         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1199         case from old cris_output_addr_const.
1200         (cris_asm_output_label_ref): Similar for LABEL_REF.
1201         (cris_output_addr_const_extra): Similar for UNSPEC.
1202         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1203         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1204         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1205         declaration.
1206         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1207         (cris_asm_output_label_ref): Declare.
1208
1209 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1210
1211         PR preprocessor/19801
1212         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1213         filenames that changed when libcpp was moved to the toplevel.
1214
1215 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1216
1217         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1218         zero extensions of BImode operands.  Call lowpart_subreg instead
1219         of gen_lowpart_common and gen_lowpart_SUBREG.
1220
1221 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1222
1223         PR ada/19489
1224         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1225         * configure.ac: Set cc_for_cross_gnattools.
1226         * configure: Regenerate.
1227
1228 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1229
1230         PR target/19803
1231         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1232
1233 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1234
1235         PR debug/19327
1236         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1237         of nested functions.
1238
1239 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1240
1241         * doc/extend.texi: Document deprecated extensions allowing
1242         static floating-point members to have initializers and allowing
1243         floating-point literals in integral constant expressions.
1244
1245 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1246
1247         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1248         config/darwin7.h, config/mips/mips.c,
1249         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1250         Update copyright.
1251
1252         * cse.c: Update comments.
1253
1254 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1255
1256         PR middle-end/19775
1257         * builtins.c (fold_builtin_sqrt): Transform
1258         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1259         pow(x,y*0.5).
1260
1261 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1262             Dorit Naishlos  <dorit@il.ibm.com>
1263
1264         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1265         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1266         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1267         was added.
1268         * tree.h (vect_set_verbosity_level): New extern function declaration
1269         added.
1270         * tree-vectorizer.h (verbosity_levels): New enum type.
1271         * tree-vectorizer.c (vect_debug_stats): Function removed.
1272         (vect_debug_details): Likewise.
1273         (vect_verbosity_level): Global variable was defined and initialized.
1274         (vect_dump): Global variable definition.
1275         (vect_print_dump_info): New function.
1276         (vect_set_dump_settings): New function.
1277         (vect_set_verbosity_level): New function.
1278         (vectorize_loops): Add call to vect_set_dump_settings.
1279
1280         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1281         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1282         (slpeel_tree_peel_loop_to_edge): Likewise.
1283
1284         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1285         appropriate verbosity level instead of call to vect_debug_details
1286         or vect_debug_stats.
1287         (vect_get_base_and_offset):
1288         (vect_create_addr_base_for_vector_ref):
1289         (get_vectype_for_scalar_type):
1290         (vect_create_data_ref_ptr):
1291         (vect_init_vector):
1292         (vect_get_vec_def_for_operand):
1293         (vect_finish_stmt_generation):
1294         (vectorizable_assignment):
1295         (vectorizable_operation):
1296         (vectorizable_store):
1297         (vectorizable_load):
1298         (vect_transform_stmt):
1299         (vect_update_ivs_after_vectorizer):
1300         (vect_do_peeling_for_loop_bound):
1301         (vect_update_inits_of_drs):
1302         (vect_do_peeling_for_alignment):
1303         (vect_transform_loop):
1304         (vect_is_simple_use):
1305         (vect_analyze_operations):
1306         (vect_is_simple_iv_evolution):
1307         (vect_analyze_scalar_cycles):
1308         (vect_analyze_data_ref_dependence):
1309         (vect_analyze_data_ref_dependences):
1310         (vect_compute_data_ref_alignment):
1311         (vect_enhance_data_refs_alignment):
1312         (vect_analyze_data_refs_alignment):
1313         (vect_analyze_data_ref_access):
1314         (vect_analyze_data_ref_accesses):
1315         (vect_analyze_pointer_ref_access):
1316         (vect_get_memtag_and_dr):
1317         (vect_analyze_data_refs):
1318         (vect_mark_relevant):
1319         (vect_stmt_relevant_p):
1320         (vect_mark_stmts_to_be_vectorized):
1321         (vect_can_advance_ivs_p):
1322         (vect_get_loop_niters):
1323         (vect_analyze_loop_form):
1324         (vect_analyze_loop):
1325         (vectorize_loops): Likewise.
1326
1327         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1328         (vect_update_inits_of_drs):
1329         (vect_do_peeling_for_alignment):
1330         (vect_transform_loop):
1331         (vect_analyze_operations):
1332         (vect_analyze_scalar_cycles):
1333         (vect_analyze_data_ref_dependences):
1334         (vect_analyze_data_refs_alignment):
1335         (vect_analyze_data_ref_accesses):
1336         (vect_analyze_data_refs):
1337         (vect_mark_stmts_to_be_vectorized):
1338         (vect_get_loop_niters):
1339         (vect_analyze_loop_form):
1340         (vect_analyze_loop): Likewise.
1341         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1342
1343 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1344
1345         PR bootstrap/19796
1346         Revert:
1347         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1348         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1349         either -ffast-math or -funsafe-math-optimizations is in use.
1350
1351         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1352         * config/mips/irix-csr.c: New file.
1353         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1354         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1355         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1356         executables.
1357
1358 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1359
1360         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1361         redundant, incorrect definitions.
1362
1363         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1364         expand.
1365         ("*tls_indirect_call"): New, reference hard regs directly.
1366         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1367
1368 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1369
1370         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1371         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1372
1373 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1374
1375         PR rtl-optimization/19800
1376         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1377         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1378         gen_lowpart.
1379
1380 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1381
1382         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1383
1384 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1385
1386         PR other/17135
1387         * doc/invoke.texi: Correct documentation of -freorder-functions.
1388
1389 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1390
1391         PR other/14402
1392         * doc/invoke.texi: Don't mention gccbug.
1393
1394 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1395             Andrew Pinski  <pinskia@physics.uc.edu>
1396             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1397
1398         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1399         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1400         into just (zero_extract:SI FOO (const_int 1) BAR).
1401
1402 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1403
1404         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1405         macro locally.  Don't give last revision date.  Use GCC version
1406         number from gcc-common.texi.
1407         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1408         revision date.  Use GCC version number from gcc-common.texi.
1409         Describe being a library as current state rather than as 3.x
1410         history.
1411         * doc/gcc.texi: Remove last update date.
1412         * doc/gccint.texi: Likewise.  Update copyright dates.
1413         * doc/install.texi: Update copyright dates.
1414
1415 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1416
1417         PR other/7549
1418         * doc/invoke.texi: Mention for each option included in -Wall that
1419         it is included in -Wall.
1420         * doc/gcc.texi: Update copyright and last modification date.
1421
1422 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1423
1424         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1425         unnecessary cast to original induction variable increments.
1426
1427 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1428
1429         PR tree-optimization/18219
1430         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1431         in distributed form.
1432
1433 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1434
1435         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1436         Set bitpos and offset later in the function.  Do nothing if the
1437         target is a register and if the bitfield lies completely outside
1438         that register.
1439         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1440         here.  Return an uninitialised register if the source value is stored
1441         in a register and the bitfield lies completely outside that register.
1442
1443 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1444
1445         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1446         not SET_DEST.
1447
1448 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1449
1450         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1451
1452 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1453
1454         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1455         * config/darwin8.h: New.
1456         * config/darwin7.h: Update comment.
1457
1458 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1459             Dorit Naishlos  <dorit@il.ibm.com>
1460
1461         * tree-vectorizer.h (LOC): New type.
1462         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1463         (loop_line_number): New field in struct _loop_vec_info.
1464         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1465
1466         * tree-vectorizer.c (input.h): Included.
1467         (find_loop_location): New function.
1468         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1469         loop line number removed.
1470         (vect_debug_details): Likewise.
1471         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1472
1473         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1474         call to vect_debug_details/stats changed from loop to loop_loc.
1475         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1476         (slpeel_tree_peel_loop_to_edge): Likewise.
1477
1478         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1479         changed from NULL to UNKNOWN_LOC.
1480         (vect_get_base_and_offset):
1481         (vect_create_addr_base_for_vector_ref):
1482         (get_vectype_for_scalar_type):
1483         (vect_create_data_ref_ptr):
1484         (vect_init_vector):
1485         (vect_get_vec_def_for_operand):
1486         (vect_finish_stmt_generation):
1487         (vectorizable_assignment):
1488         (vectorizable_operation):
1489         (vectorizable_store):
1490         (vectorizable_load):
1491         (vect_transform_stmt):
1492         (vect_update_ivs_after_vectorizer):
1493         (vect_do_peeling_for_loop_bound):
1494         (vect_do_peeling_for_alignment):
1495         (vect_transform_loop):
1496         (vect_is_simple_use):
1497         (vect_analyze_operations):
1498         (vect_is_simple_iv_evolution):
1499         (vect_analyze_scalar_cycles):
1500         (vect_analyze_data_ref_dependences):
1501         (vect_compute_data_ref_alignment):
1502         (vect_enhance_data_refs_alignment):
1503         (vect_analyze_data_ref_access):
1504         (vect_analyze_data_ref_accesses):
1505         (vect_analyze_pointer_ref_access):
1506         (vect_get_memtag_and_dr):
1507         (vect_analyze_data_refs):
1508         (vect_mark_relevant):
1509         (vect_stmt_relevant_p):
1510         (vect_mark_stmts_to_be_vectorized):
1511         (vect_can_advance_ivs_p):
1512         (vect_get_loop_niters):
1513         (vect_analyze_loop):
1514         (vectorize_loops): Likewise.
1515
1516         (vectorizable_load): Argument in call to vect_debug_details/stats
1517         changed from loop to LOOP_LOC (loop_vinfo).
1518         (vect_transform_loop):
1519         (vect_analyze_operations):
1520         (vect_analyze_scalar_cycles):
1521         (vect_analyze_data_ref_dependence):
1522         (vect_enhance_data_refs_alignment):
1523         (vect_analyze_data_ref_accesses):
1524         (vect_analyze_pointer_ref_access):
1525         (vect_analyze_data_refs):
1526         (vect_analyze_loop): Likewise.
1527
1528         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1529         changed from loop to loop_loc.
1530
1531         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1532
1533 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1534             Dorit Naishlos  <dorit@il.ibm.com>
1535
1536         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1537         declaration added.
1538         (vect_analyze_data_ref_dependences): Likewise.
1539
1540         (vect_is_simple_use): Argument changed from loop structure to
1541         loop_vect_info structure.
1542         (vect_can_advance_ivs_p): Likewise.
1543         (vect_create_index_for_vector_ref): Likewise.
1544         (vect_update_ivs_after_vectorizer): Likewise.
1545         (new_stmt_vec_info): Likewise.
1546
1547         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1548         changed from loop to loop_vinfo.
1549         (vect_create_data_ref_ptr): First argument in call to
1550         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1551         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1552         was changed from loop to loop_vinfo.
1553         (vectorizable_operation): Likewise.
1554         (vectorizable_store): Likewise.
1555         (vect_mark_stmts_to_be_vectorized): Likewise.
1556         (vect_do_peeling_for_loop_bound): First argument in call to
1557         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1558         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1559         was changed from loop to loop_vinfo.
1560         (vect_analyze_data_ref_dependences): Third argument in call to
1561         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1562
1563         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1564         (vect_create_data_ref_ptr): Likewise.
1565         (vect_init_vector): Likewise.
1566         (vect_get_vec_def_for_operand): Likewise.
1567         (vectorizable_assignment): Likewise.
1568         (vectorizable_operation): Likewise.
1569         (vectorizable_store): Likewise.
1570         (vectorizable_load): Likewise.
1571         (vect_update_ivs_after_vectorizer): Likewise.
1572         (vect_is_simple_use): Likewise.
1573         (vect_analyze_data_ref_dependence): Likewise.
1574         (vect_analyze_pointer_ref_access): Likewise.
1575         (vect_can_advance_ivs_p): Likewise.
1576
1577         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1578         before _stmt_vec_info.
1579         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1580         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1581         (new_stmt_vec_info): Argument changed from loop structure to
1582         loop_vect_info structure
1583
1584         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1585         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1586         (vect_create_addr_base_for_vector_ref): Likewise.
1587         (vect_analyze_pointer_ref_access): Likewise.
1588
1589 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1590
1591         PR tree-opt/19768
1592         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1593         phi flag if the phi is abnormal.
1594
1595 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1596
1597         PR tree-opt/19736
1598         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1599         information for the new statement.
1600
1601 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1602
1603         PR driver/19117
1604         * gcc.c (main): Include the target in -v output.
1605
1606 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1607
1608         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1609         Do not drop the extend if we'd have to add a paradoxical subreg
1610         later.  Include optabs.h and insn-codes.h.
1611         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1612
1613 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1614
1615         PR middle-end/19405
1616         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1617         * fold-const.c (const_binop): Avoid constant folding floating
1618         point operations in modes that use composite representations.
1619         * simplify-rtx.c (simplify_binary_operation): Likewise.
1620
1621 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1622
1623         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1624         a REG, not a MEM.
1625         (altivec_dstt): Likewise.
1626         (altivec_dstst): Likewise.
1627         (altivec_dststt): Likewise.
1628         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1629         of first operand.
1630
1631 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1632
1633         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1634         EXPR_LOCUS from orig_cond to the new cond_stmt.
1635         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1636         the new vec_stmt.
1637
1638 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1639
1640         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1641         standard_iv_increment_position. Remove call to bsi_next
1642         (no need to bump the iterator anymore).
1643         (vect_create_index_for_vector_ref): Call
1644         standard_iv_increment_position. Remove second function argument.
1645         (vect_finish_stmt_generation): Remove call to bsi_next
1646         (no need to bump the iterator anymore).
1647         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1648         to vect_create_index_for_vector_ref.
1649
1650 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1651
1652         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1653         phis are used out of the loop.
1654
1655 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1656
1657         PR c/17807
1658         * c-decl.c (undef_nested_function): New variable.
1659         (pop_scope): Diagnose undefined nested functions.
1660         (finish_function): Don't attempt cgraph processing or genericizing
1661         if current top-level function contained an undefined nested
1662         function.  Reset undef_nested_function at the end of a top-level
1663         function.
1664
1665 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1666
1667         * tree.c (build_int_cst_type): Take sign of the value into account
1668         when deciding whether sign extend the value.
1669
1670 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1671
1672         PR c/18502
1673         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1674         (cpp_options, cc1_options): Change %{std*&ansi} to
1675         %{std*&ansi&trigraphs}.
1676
1677 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1678
1679         * cse.c: Update comments.
1680
1681 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1682
1683         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1684         arguments go on the stack.  Do not put complex doubles in odd/even
1685         pairs.
1686
1687 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1688
1689         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1690         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1691         -ftree-pre, and -fthread-jumps.
1692
1693 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1694
1695         PR tree-optimization/19578
1696         * tree-flow.h (modified_noreturn_calls): Declare.
1697         (noreturn_call_p): Declare.
1698         * tree-flow-inline.h (noreturn_call_p): New function.
1699         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1700         * tree-cfg.c (modified_noreturn_calls): New variable.
1701         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1702         that contain a mid-block noreturn call.
1703         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1704
1705 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1706
1707         * df.c (df_def_record_1, df_uses_record): Don't use
1708         DF_FOR_REGALLOC.
1709         * df.h (DF_FOR_REGALLOC): Remove.
1710
1711 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1712
1713         PR c/19435
1714         * c-typeck.c (really_start_incremental_init): Reset
1715         constructor_max_index for arrays of incomplete type.
1716
1717 2005-02-02  Jeff Law  <law@redhat.com>
1718
1719         * gcse.c (struct reg_set): Store the block index where the register
1720         was set rather than the setting insn.
1721         (record_one_set, compute_transp): Corresponding changes.
1722         (pre_insert_copy_insn): Do not call replace_one_set.
1723         (replace_one_set): Remove.
1724
1725 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1726
1727         PR other/15514
1728         * doc/gcov.texi: Fix typo.
1729
1730 2005-02-01  Richard Henderson  <rth@redhat.com
1731
1732         PR target/19680
1733         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1734         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1735         type to bool.
1736         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1737         * config/i386/i386-protos.h: Update.
1738
1739 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1740
1741         PR tree-optimization/19217
1742         * tree-cfg.c (verify_expr): Use the data field to see if TP was
1743         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
1744         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1745         that it is walking a PHI node.
1746
1747 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
1748
1749         * doc/extend.texi (Nested Functions): Update.
1750
1751 2005-02-01  Richard Henderson  <rth@redhat.com>
1752
1753         PR 19696
1754         * optabs.c (expand_copysign_absneg): Export.
1755         * optabs.h (expand_copysign_absneg): Declare.
1756         * config/rs6000/rs6000.md (copysigntf3): New.
1757
1758 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1759
1760         PR tree-optimization/19633
1761         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1762         * tree-ssa-alias.c (init_alias_info): Initialize.
1763         (merge_pointed_to_info): Set.
1764         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1765         (dump_points_to_info_for): Show value of pt_null.
1766         (struct count_ptr_d): Declare.
1767         (find_ptr_dereference): Remove.
1768         (ptr_is_dereferenced_by): Remove.
1769         (count_ptr_derefs): New local function.
1770         (count_uses_and_derefs): New local function.
1771         (compute_points_to_and_addr_escape): Call it.  If the number
1772         of dereferences is greater than zero, mark the pointer as
1773         dereferenced.  If there are fewer dereferences than uses of
1774         the pointer, the pointer's value escapes.
1775
1776 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1777
1778         PR tree-optimization/19670
1779         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1780         here...
1781         (verify_use): ... set it here, instead.
1782
1783 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
1784
1785         * doc/sourcebuild.texi (Test directives): Fix formatting.
1786
1787         * doc/sourcebuild.texi (Test directives): Describe selector
1788         expressions.
1789
1790 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
1791
1792         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1793         specific 64-bit CPUs.
1794
1795 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
1796
1797         PR target/16201
1798         * arm.c (arm_eliminable_register): New function.
1799         (adjacent_mem_locations): Don't allow eliminable registers.  Use
1800         HOST_WIDE_INT for address offsets.
1801         * arm-protos.h (arm_eliminable_register): Add prototype.
1802
1803 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1804
1805         PR optimization/15242
1806         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
1807         * basic-block.h (duplicate_computed_gotos): Add prototype.
1808         * bb-reorder.c (duplicate_computed_gotos): New function to
1809         duplicate sufficiently small blocks ending in a computed jump.
1810         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
1811         if not optimizing for size.
1812         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
1813         never do tail merging for blocks ending in a computed jump.
1814         * doc/invoke.texi: Document the max-goto-duplication-insns param.
1815
1816 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1817
1818         Patch from Richard Sandiford <rsandifo@redhat.com>
1819         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
1820         from inheriting a subreg equivalence with a non-spill register.
1821
1822         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
1823
1824 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
1825
1826         * config/frv/frv.c (movcc_fp_destination_operand): New.
1827         (gpr_or_memory_operand): Fix typo in comment.
1828         (gpr_or_memory_operand_with_scratch): New.
1829         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
1830         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
1831         movcc_fp_destination_operand.
1832         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
1833         Legitimize memory addresses using a scratch register.
1834
1835 2005-01-31  Jeff Law  <law@redhat.com>
1836
1837         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
1838         bitmap a sparse bitmap instead of a simple bitmap.
1839         (mark_def_sites_initialize_block):  Corresponding changes.
1840         (ssa_mark_def_sites_initialize_block): Likewise.
1841         (ssa_mark_phi_uses): Likewise.
1842         (mark_def_site, ssa_mark_def_sites): Likewise.
1843         (mark_def_site_blocks): Likewise.
1844         (rewrite_ssa_into_ssa): Likewise.
1845
1846         * tree-ssa-dom.c (record_cond): Pass correct variable type
1847         for last argument to htab_find_slot_with_hash.
1848
1849         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
1850         effects when optimizing 0 % X.  Do not try to optimize X % 0.
1851
1852 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
1853
1854         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
1855         1_mmalua.
1856
1857 2005-02-01  Eric Christopher  <echristo@redhat.com>
1858
1859         * config/mips/mips.c (override_options): Warn if -mint64
1860         is used.
1861         * doc/invoke.texi (MIPS Options): Document that -mint64 is
1862         deprecated.
1863
1864 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1865
1866         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
1867         timestamp.
1868         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
1869         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
1870         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
1871         (cached_regno): Initialize to INVALID_REGNUM.
1872         (cse_reg_info_table_size,
1873         cse_reg_info_table_first_uninitialized,
1874         cse_reg_info_timestamp): New.
1875         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
1876         get_cse_reg_info.
1877         (init_cse_reg_info, get_cse_reg_info_1): New.
1878         (get_cse_reg_info): Cache the last look-up.
1879         (new_basic_block): Update the code to clear mappings from
1880         registers to cse_reg_info entries.
1881         (cse_main): Call init_cse_reg_info.
1882
1883         * cse.c (get_cse_reg_info): Update a comment.
1884
1885 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1886
1887         PR c/19333
1888         * c-decl.c (start_decl): Do not warn about arrays of elements with
1889         an incomplete type here.
1890         (grokdeclarator): Do it here by making a pedwarn an error.
1891         * c-typeck.c (push_init_level): If there were previous errors with
1892         the constructor type, do not warn about braces for initializers.
1893         (process_init_element): Likewise for excess initializer elements.
1894
1895 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1896
1897         * cse.c (delete_trivially_dead_insn): Don't iterate.
1898
1899 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1900
1901         * config/rs6000/rs6000.md (copysignsf3): New expand.
1902         (copysigndf3): Likewise.
1903
1904 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1905
1906         * recog.c (constrain_operands): Only look for earlyclobber operand
1907         conflicts if an '&' constraint was seen.
1908
1909 2005-01-31  Marc Espie <espie@openbsd.org>
1910
1911         * config.gcc: Don't include embedded systems fragment, switches default
1912         debugging format to ELF.
1913         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
1914         longer pick it up there.
1915
1916 2005-01-31  Dale Johannesen  <dalej@apple.com>
1917
1918         * doc/extend.texi (nested functions): Fix linkage description.
1919         Clarify that static is not allowed.
1920
1921 2005-01-31  Dale Johannesen  <dalej@apple.com>
1922
1923         * config/rs6000/darwin.md (movsf_low_di):  Make work.
1924         (movdf_low_di):  Make work.
1925
1926 2005-01-31  Dale Johannesen  <dalej@apple.com>
1927
1928         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
1929         Make work for 64 bit.
1930
1931 2005-01-31  Roger Sayle  <roger@eyesopen.com>
1932             Dale Johannesen  <dalej@apple.com>
1933
1934         PR middle-end/19650
1935         * fold-const.c (fold_binary_op_with_conditional_arg):
1936         Make types match original operands, before STRIP_NOPS.
1937
1938 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
1939
1940         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
1941         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
1942         (struct gcc_sigcontext): Delete.  Merge contents to..
1943         (struct gcc_ucontext): ..here.
1944         (get_sigcontext): Delete.
1945         (get_regs): New function, like get_sigcontext but return regs ptr.
1946         64-bit version finds regs from r1 to support vdso.
1947         (ppc_linux_aux_vector): New function.
1948         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
1949         and vector regs.
1950
1951 2005-01-31  Ira Rosen  <irar@il.ibm.com>
1952
1953         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
1954         sizetype.
1955         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
1956         redundant fold. Fix misalignment for MINUS_EXPR.
1957         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
1958         (vect_analyze_pointer_ref_access): Likewise.
1959         (vect_get_memtag_and_dr): Likewise.
1960
1961 2005-01-31  Richard Henderson  <rth@redhat.com>
1962
1963         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
1964         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
1965         absnegdf2_i387, absnegxf2_i387): Likewise.
1966
1967 2005-01-31  Richard Henderson  <rth@redhat.com>
1968
1969         PR 19696
1970         * optabs.c (expand_copysign_absneg): New.
1971         (expand_copysign_bit): Split out from ...
1972         (expand_copysign): ... here.  Use expand_copysign_absneg.
1973
1974 2005-01-30  Roger Sayle  <roger@eyesopen.com>
1975
1976         PR middle-end/19697
1977         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
1978         constant as the second operand and a register as the third.
1979
1980 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
1981
1982         PR target/19704
1983         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
1984         that dllimport'd functions do not use all call-clobbered registers
1985         to pass parameters.
1986
1987 2005-01-30  Richard Henderson  <rth@redhat.com>
1988
1989         PR 19696
1990         * optabs.c (expand_absneg_bit): Split out from expand_unop and
1991         expand_abs_nojump and generalize.  Use operand_subword and
1992         emit_no_conflict_block.  Support large modes.
1993         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
1994         back to maximum.
1995         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
1996         negation to subtraction.
1997         (expand_copysign): Check that the format has signed zeros.
1998         Use operand_subword and emit_no_conflict_block.  Support large modes.
1999
2000 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2001
2002         Fix PR tree-optimization/19624
2003
2004         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2005         * tree-ssa-pre.c: Add cfgloop.h.
2006         Update comment.
2007         (pre_stats): New member, constified.
2008         (inserted_exprs): New static variable.
2009         (NECESSARY): New macro.
2010         (create_expression_by_pieces): Fold the expression, and
2011         mark it as defaulting to not necessary. Also put in
2012         inserted_exprs.
2013         (fully_constant_expression): New function.
2014         (insert_into_preds_of_block): Modify to not insert phis when we
2015         are playing with induction variables.
2016         Push phis onto the inserted_exprs vector, and mark them as not
2017         necessary by default.
2018         (insert_aux): Call fully_constant_expression on eprime.
2019         If all edges produce the same value, mark it constant.
2020         (mark_operand_necessary): New function.
2021         (remove_dead_inserted_code): New function.
2022         (init_pre): Init loop optimizer to get loop info.
2023         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2024         (execute_pre): Commit edge inserts, then remove dead code.
2025
2026 2005-01-30  Richard Henderson  <rth@redhat.com>
2027
2028         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2029         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2030
2031 2005-01-30  Richard Henderson  <rth@redhat.com>
2032
2033         PR target/19700
2034         * config/i386/i386.c (ix86_expand_copysign): New.
2035         (ix86_split_copysign_const): New.
2036         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2037         rearrange op1/nmask operands.
2038         * config/i386/i386-protos.h: Update.
2039         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2040         (copysigndf3): Likewise.
2041         (copysignsf3_const, copysigndf3_const): New.
2042         (copysignsf3_var): Rename from copysignsf3, split out splitter
2043         and fix split predicate for X constraint.
2044         (copysigndf3_var): Similarly.
2045
2046 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2047
2048         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2049         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2050         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2051
2052 2005-01-29  Richard Henderson  <rth@redhat.com>
2053
2054         PR target/19690
2055         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2056         of # and * in constraints.
2057
2058 2005-01-29  Richard Henderson  <rth@redhat.com>
2059
2060         PR middle-end/19689
2061         * expr.c (store_field): Don't strip sub-mode cast when the input
2062         data is even smaller.
2063
2064 2005-01-29  Richard Henderson  <rth@redhat.com>
2065
2066         PR middle-end/19687
2067         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2068         union being empty.
2069
2070 2005-01-29  Richard Henderson  <rth@redhat.com>
2071
2072         * combine.c (make_field_assignment): Fix argument order
2073         to gen_int_mode.
2074
2075 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2076
2077         PR tree-optimization/15791
2078         * fold-const.c (extract_array_ref): New function.
2079         (fold): Fold comparisons between &a[i] and &a[j] or
2080         semantically equivalent trees.
2081
2082 2005-01-29  Jeff Law  <law@redhat.com>
2083
2084         * gcse.c (insert_expr_in_table): Revamp handling of available
2085         and anticipatable occurrence lists to avoid unnecessary list
2086         walking.
2087         (insert_set_in_table): Similarly.
2088
2089 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2090
2091         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2092         build string type.
2093         (c_build_qualified_type): Build qualified array types with
2094         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2095         * c-decl.c (c_make_fname_decl): Build unqualified array type
2096         before qualified type.
2097         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2098         type is qualified, not just if type itself is.  Don't apply
2099         qualifiers to array type when declarator is processed.  Apply
2100         qualifiers to field type whether or not it is an array type.
2101         Don't handle array types specially for applying qualifiers to
2102         variables.
2103         * c-typeck.c (composite_type): Build unqualified element type and
2104         array type when forming composite of array types.
2105         (common_pointer_type, comptypes, comp_target_types,
2106         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2107         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2108         types.
2109         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2110         (args2) in variables a1 and a2.
2111
2112 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2113
2114         * cse.c (n_elements_made, max_elements_made): Remove.
2115         (insert): Don't touch n_elements_made.
2116         (cse_main): Don't touch n_elements_made or max_elements_made.
2117
2118 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2119
2120         PR target/15384
2121         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2122         configuration part of dp-bit.c to be lost.
2123
2124 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2125
2126         * expmed.c (expand_mult_highpart_optab): When attempting to use
2127         a non-widening multiplication in a wider mode, the operands need
2128         to be converted (zero or sign extended) to that mode.
2129
2130 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2131
2132         PR middle-end/16558
2133         PR middle-end/19583
2134         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2135         through if both operands fall through.
2136
2137 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2138
2139         * cse.c (fold_rtx) <PC>: Don't optimize.
2140
2141 2005-01-28  Jeff Law  <law@redhat.com>
2142
2143         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2144         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2145
2146 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2147
2148         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2149         cse_reg_info_used_list_end): Remove.
2150         (cse_reg_info_list, cse_reg_info_list_free): New.
2151         (get_cse_reg_info): When allocating an instance of
2152         cse_reg_info, add it to the beginning of the cse_reg_info_list
2153         list.  Remove code to maintain cse_reg_info_used_list.
2154         (new_basic_block): Reset the free list to the beginning of
2155         cse_reg_info_list.
2156
2157 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2158
2159         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2160         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2161         (frv_expand_mdpackh_builtin): New function.
2162         (frv_expand_builtin): Use it to expand __MDPACKH.
2163         * doc/extend.texi (__MDPACKH): Update documentation.
2164
2165 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2166
2167         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2168         SSE_FLOAT_MODE_P for use_sse computation.
2169
2170 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2171
2172         PR target/19663
2173         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2174
2175 2005-01-27  Richard Henderson  <rth@redhat.com>
2176
2177         * builtins.c (expand_builtin_copysign): New.
2178         (expand_builtin): Call it.
2179         * genopinit.c (optabs): Add copysign_optab.
2180         * optabs.c (init_optabs): Initialize it.
2181         (expand_copysign): New.
2182         * optabs.h (OTI_copysign, copysign_optab): New.
2183         (expand_copysign): Declare.
2184
2185         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2186         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2187
2188         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2189         (ix86_expand_fp_absneg_operator): ... here.
2190         (ix86_split_copysign): New.
2191         * config/i386/i386-protos.h: Update.
2192         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2193         (copysignsf3, copysigndf3): New.
2194
2195         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2196         (copysignsf3, ncopysignsf3): New.
2197         (copysigndf3, ncopysigndf3): New.
2198         (copysignxf3, ncopysignxf3): New.
2199         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2200
2201 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2202             Kazu Hirata  <kazu@cs.umass.edu>
2203
2204         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2205         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2206         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2207         NULL_RTX.
2208
2209 2005-01-27  Jeff Law  <law@redhat.com>
2210
2211         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2212         definitions of SSA_NAMEs which are not being rewritten.
2213         (rewrite_ssa_into_ssa): Only initialize the current definition
2214         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2215         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2216         SSA_NAMEs before returning.
2217
2218 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2219
2220         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2221         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2222         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2223         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2224         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2225
2226 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2227
2228         PR middle-end/17278
2229         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2230         higher to -O2 and higher.  Likewise for tree PRE.
2231         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2232         and better.
2233
2234 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2235
2236         PR middle-end/19583
2237         * gimple-low.c (try_catch_may_fallthru): New static function.
2238         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2239         * tree-inline.c (expand_call_inline): Don't warn about reaching
2240         the end of a non-void function being inlined if the function uses
2241         a return slot.
2242
2243 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2244
2245         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2246
2247         PR c/18946
2248         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2249         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2250         (implicitly_declare): Handle error_mark_node.
2251
2252 2005-01-27  Richard Henderson  <rth@redhat.com>
2253
2254         PR tree-opt/14329
2255         * tree.h (struct tree_decl): Add debug_expr_is_from.
2256         (DECL_DEBUG_EXPR_IS_FROM): New.
2257         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2258         * dwarf2out.c (dwarf2out_var_location): Update to match.
2259         * tree-outof-ssa.c (create_temp): Likewise.
2260         * var-tracking.c (track_expr_p): Likewise.
2261         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2262         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2263         * toplev.c (default_tree_printer): Likewise.
2264
2265 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2266
2267         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2268         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2269
2270 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2271
2272         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2273         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2274         ASM_CLOBBERS): Add tree checks.
2275
2276         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2277         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2278         * c-common.def (SWITCH_STMT): Update to match.
2279         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2280         macros instead of SWITCH_EXPR ones.
2281         * c-dump.c (c_dump_tree): Likewise.
2282         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2283         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2284
2285         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2286
2287 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2288
2289         * unwind-dw2.c (execute_stack_op): Add missing cases for
2290         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2291
2292 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2293
2294         * config.gcc (Obsolete configurations): Remove 'dummy', add
2295         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2296         sparc-*-openbsd*.
2297
2298 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2299
2300         PR tree-optimization/19633
2301         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2302         CALL_EXPRs.
2303         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2304         are no call-clobbered variables.
2305         * tree-outof-ssa.c (check_replaceable): Return false for calls
2306         with side-effects.
2307
2308 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2309
2310         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2311         even for variables with NULL DECL_INITIAL.
2312
2313 2005-01-26  Stuart Hastings  <stuart@apple.com>
2314
2315         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2316
2317 2005-01-26  Richard Henderson  <rth@redhat.com>
2318
2319         PR middle-end/18008
2320         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2321         field's type.
2322         * expr.c (store_field): Strip conversions to odd-bit-sized types
2323         if the destination field width matches.
2324
2325 2005-01-26  Richard Henderson  <rth@redhat.com>
2326
2327         * c-decl.c, expmed.c, expr.c: Revert last change.
2328
2329 2005-01-26  Richard Henderson  <rth@redhat.com>
2330
2331         PR middle-end/18008
2332         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2333         field's type.
2334         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2335         if we don't need the bits above those present in the current mode.
2336         * expr.c (store_field): Strip conversions to odd-bit-sized types
2337         if the destination field width matches.
2338
2339 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2340
2341         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2342         either -ffast-math or -funsafe-math-optimizations is in use.
2343
2344 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2345
2346         PR target/19293
2347         PR target/19329
2348         * config/avr/avr.c (notice_update_cc): Only set condition code for
2349         ashrqi3 if shift count > 0.
2350         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2351         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2352         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2353         count <= 0 as a no-op, and shift count >= width by copying zero
2354         or sign bit to all bits of the result.
2355         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2356         count, with attribute "length" set to 0 and "cc" set to "none".
2357
2358 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2359
2360         * doc/invoke.texi: Document -mTLS.
2361
2362         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2363         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2364         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2365         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2366         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2367         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2368         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2369         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2370
2371         * configure.ac: Check for a TLS capable gas.
2372
2373         * configure: Regenerate.
2374
2375 2005-01-26  Richard Henderson  <rth@redhat.com>
2376
2377         PR middle-end/18008
2378         * combine.c (make_field_assignment): Simplify store to zero_extract
2379         from a source with an overlapping mask.
2380
2381 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2382
2383         2004-11-11  Eric Christopher  <echristo@redhat.com>
2384
2385         * config/frv/frv.md: Add fr400_integer automaton. Don't
2386         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2387         to TYPE_MACC.
2388
2389 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2390
2391         PR middle-end/16585
2392         * cfgbuild.c (make_edges): Do not clear or set
2393         current_function_has_computed_jump.
2394         * function.h (struct function): Remove the has_computed_jump field.
2395         (current_function_has_computed_jump): Do not define.
2396         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2397         in a computed jump.  Ignore current_function_has_computed_jump.
2398
2399 2005-01-26  Richard Henderson  <rth@redhat.com>
2400
2401         PR middle-end/19515
2402         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2403         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2404         fully initialized.
2405         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2406         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2407         objects into static storage if they have more than one non-zero value.
2408         * tree.h (categorize_ctor_elements): Update decl.
2409
2410 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2411
2412         PR middle-end/19616
2413         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2414         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2415         to this function from 2004-07-10.
2416         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2417         the current function for tail call optimizations if the address
2418         of one of it its arguments is taken.
2419
2420 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2421
2422         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2423
2424 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2425
2426         * function.c (expand_function_end): If current_function_calls_alloca,
2427         emit stack restore in a place that is reached when the function falls
2428         through at the end.
2429
2430 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2431
2432         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2433         rule to avoid matching inappropriate suffix rule.
2434
2435 2005-01-26  Jan Hubicka  <jh@suse.cz>
2436
2437         PR tree-optimization/19241
2438         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2439
2440 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2441
2442         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2443         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2444         of doubling.
2445         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2446         <sim*>: Always use crt1.o, regardless of N in simN.
2447         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2448         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2449         (CRT_CALL_STATIC_FUNCTION): Remove.
2450         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2451         use crt1.o, regardless of N in simN.
2452         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2453         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2454         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2455         case isystem setting.
2456         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2457
2458 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2459
2460         * gimple-low.c (block_may_fallthru): Correct handling of
2461         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2462
2463 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2464
2465         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2466         handlers to match indentation; nested under the mtune=* handler.
2467         Similar for mcpu= and march=.
2468
2469 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2470
2471         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2472         * config/mips/linux64.h (LIB_SPEC): Likewise.
2473         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2474         * config/sh/linux.h (LIB_SPEC): Likewise.
2475
2476 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2477
2478         * config/frv/frv.c (frv_legitimize_tls_address): New.
2479         (TARGET_HAVE_TLS): Define.
2480         (FRV_SYMBOL_REF_TLS_P): Define.
2481         (frv_override_options): Handle new register classes.
2482         (frv_legitimate_address_p): Reject tls addresses.
2483         (frv_legitimize_address): Handle TLS addresses.
2484         (gen_inlined_tls_plt): New.
2485         (gen_tlsmoff): New.
2486         (frv_legitimize_tls_address): New.
2487         (unspec_got_name): Add TLS entries.
2488         (got12_operand): Add R_FRV_TLSMOFF12 case.
2489         (frv_emit_move): Fixup TLS addresses.
2490         (frv_emit_movsi): Legitimize TLS addresses.
2491
2492         * config/frv/frv.h (MASK_BIG_TLS): New.
2493         (TARGET_BIG_TLS): New.
2494         (HAVE_AS_TLS): Define.
2495         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2496         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2497         (REG_CLASS_NAMES): Same.
2498         (REG_CLASS_CONTENTS): Same.
2499         (CONSTRAINT_LEN): New.
2500         (REG_CLASS_FROM_CONSTRAINT): New.
2501         (PREDICATE_CODES): Add symbolic_operand.
2502
2503         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2504         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2505         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2506         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2507         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2508         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2509         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2510         GR9_REG, GR14_REG, LRREG.
2511         (type): Add load_or_call attribute.
2512         ("load_or_call"): New reservation.
2513         ("call_gettlsoff"): New.
2514         ("tls_indirect_call"): New.
2515         ("tls_load_gottlsoff12"): New.
2516         ("tlsoff_hilo"): New.
2517         ("tls_tlsdesc_ldd"): New.
2518         ("tls_tlsoff_ld"): New.
2519         ("tls_lddi"): New.
2520
2521         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2522
2523         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2524
2525         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2526         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2527         * config/frv/frv.c (TLS_BIAS): Define.
2528         (frv_output_dwarf_dtprel): New.
2529
2530 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2531
2532         PR rtl-optimization/19579
2533         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2534         both A and B, see if they don't clobber registers the other expr uses.
2535
2536 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2537
2538         * real.c (do_add): Initialize signalling and canonical members.
2539
2540         * real.c (real_from_integer): Zero out destination.
2541
2542 2005-01-18  Jan Hubicka  <jh@suse.cz>
2543
2544         PR tree-optimize/19337
2545         * tree-inline.c (initialize_inlined_parameters): Copy
2546         saved_static_chain_decl only.
2547
2548 2005-01-25  Richard Henderson  <rth@redhat.com>
2549
2550         PR target/19556
2551         PR target/19584
2552         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2553         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2554         80387 enabled, to return a proper subclass.  Return the subset that
2555         overlaps with GENERAL_REGS for PLUS.
2556         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2557
2558 2005-01-25  Richard Henderson  <rth@redhat.com>
2559
2560         PR middle-end/19609
2561         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2562
2563 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2564
2565         * expmed.c (choose_multiplier): Change interface to return the
2566         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2567         (expand_divmod): Update calls to choose_multiplier.
2568
2569 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2570
2571         PR middle-end/19330
2572         * expmed.c (extract_bit_field): Use adjust_address instead of
2573         gen_lowpart when op0 is a MEM.
2574
2575 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2576
2577         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2578
2579 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2580
2581         * config/mips/irix-csr.c: New file.
2582         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2583         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2584         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2585         executables.
2586
2587 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2588
2589         PR bootstrap/19364
2590         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2591         sparc/elf.h, add sparc/sp-elf.h.
2592         (sparc-*-rtems*): Likewise.
2593         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2594         tm-dwarf2.h, add sparc/sp-elf.h.
2595         (sparc86x-*-elf): Likewise.
2596         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2597         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2598         TARGET_OS_CPP_BUILTINS.
2599         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2600         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2601         Undefine it.
2602         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2603         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2604         (SWITCH_TAKES_ARG): Likewise.
2605         (LOCAL_LABEL_PREFIX): Likewise.
2606         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2607         (TARGET_N_FORMAT_TYPES): Delete.
2608         (TARGET_FORMAT_TYPES): Likewise.
2609         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2610         * config/sparc/elf.h: Delete.
2611         * config/sparc/sp-elf.h: New file.
2612
2613 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2614
2615         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2616         * tree-flow.h: Remove the corresponding prototype.
2617         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2618         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2619
2620 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2621
2622         PR target/17751
2623         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2624         for AIX ABI or ELF -fPIC.
2625         (rs6000_emit_load_toc_table): Don't create toc_section here.
2626         (rs6000_xcoff_file_start): Nor here.
2627
2628 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2629
2630         * sh.c (ra.h): Don't #include.
2631         (hard_regs_intersect_p): New function, resurrected from ra.c.
2632
2633         * sh.c: Fix 1996 Copyright.
2634
2635 2005-01-24  Richard Henderson  <rth@redhat.com>
2636             Aldy Hernandez  <aldyh@redhat.com>
2637
2638         * regrename.c (note_sets): Handle subregs.
2639
2640 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2641
2642         PR bootstrap/18058
2643         * genconditions.c (write_header, write_conditions): Elide file if
2644         not GCC >= 3.0.1.
2645
2646 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2647
2648         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2649         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2650         Update copyright.
2651
2652 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2653
2654         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2655         expand_builtin_printf, expand_builtin_fprintf,
2656         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2657         checking against POINTER_TYPE.
2658         (validate_arglist): Handle POINTER_TYPE code by checking
2659         POINTER_TYPE_P.
2660
2661 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2662
2663         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2664         init_rtlanal): New.
2665         (for_each_rtx): Call for_each_rtx_1.
2666         * rtl.h (init_rtlanal): Declare.
2667         * toplev.c (backend_init): Call init_rtlanal.
2668
2669 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2670
2671         * flow.c (propagate_one_insn): Formatting.
2672
2673         PR middle-end/19551
2674         * flow.c (libcall_dead_p): Be more conservative if unsure.
2675         If there are any instructions between insn and call, see if they are
2676         all dead before saying the libcall is dead.
2677
2678 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2679
2680         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2681         operand constraint for operand 0.
2682
2683 2005-01-23  Richard Henderson  <rth@redhat.com>
2684
2685         PR 19486
2686         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2687         edges leading to join block.
2688
2689 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2690
2691         * expmed.c (expand_mult_highpart): Make static.  Change type of
2692         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2693         (expand_divmod): Updates calls to expand_mult_highpart by using
2694         gen_int_mode to pass a CONST_INT rtx.
2695         * rtl.h (expand_mult_highpart): Remove prototype.
2696
2697 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2698
2699         * flow.c (regset_bytes, regset_size): Remove.
2700
2701         * cfganal.c: Fix a reference to Harvey's paper.
2702
2703 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2704
2705         PR rtl-optimization/19464
2706         * tree-optimize.c (init_tree_optimization_passes): Add one more
2707         copyrename pass just before out-of-ssa.
2708
2709 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2710
2711         PR bootstrap/18058
2712         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2713         * ggc-none.c (ggc_free): Define.
2714
2715 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2716
2717         * cse.c (max_reg, max_insn_uid): Remove.
2718         (cse_main): Don't access max_reg or max_insn_uid.
2719
2720         * c-common.c (explicit_flag_signed_bitfields,
2721         lang_statement_code_p, lang_expand_function_end): Remove.
2722         * c-common.h: Remove the corresponding declarations.
2723         * c-opts.c (c_common_handle_option): Remove all write access
2724         to explicit_flag_signed_bitfields.
2725
2726         * cgraph.c (cgraph_varpool_n_nodes): Remove.
2727         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2728         * cgraph.h: Remove the corresponding declaration.
2729
2730         * gcse.c (null_pointer_info): Remove.
2731
2732 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2733             Eric Botcazou  <ebotcazou@libertysurf.fr>
2734
2735         * combine.c (simplify_logical): Only simplify logical expressions
2736         of the form ior(and(x,y),z) by the inverse distributive law if the
2737         result is cheaper than the original.
2738
2739 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2740
2741         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2742         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2743         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2744         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2745         config/freebsd-spec.h, config/arm/arm.h,
2746         config/h8300/h8300.md, config/i386/i386.md,
2747         config/i386/predicates.md, config/i386/sse.md,
2748         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2749         config/vax/vax.md: Fix comment typos.  Follow spelling
2750         conventions.
2751
2752 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2753
2754         * gengtype.c (walk_type): Produce `not equal to' compares for loop
2755         tests, instead of `less than'.
2756
2757 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
2758
2759         * function.c (assign_parm_setup_block): When creating a new stack slot
2760         for a parameter, get its alignment from the parameter's DECL_ALIGN
2761         rather than the type's TYPE_ALIGN.  Make sure that the parameter
2762         is at least word aligned.
2763
2764 2005-01-22  Roger Sayle  <roger@eyesopen.com>
2765
2766         PR middle-end/19378
2767         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2768
2769 2005-01-22  Richard Henderson  <rth@redhat.com>
2770
2771         PR target/19506
2772         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2773         in both compare operands.
2774         (movdfcc_1_sse_max): Likewise.
2775         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
2776         (movdfcc_1_sse): Likewise.
2777         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2778         scratch register as needed.
2779
2780 2005-01-22  Richard Henderson  <rth@redhat.com>
2781
2782         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2783
2784         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2785
2786 2005-01-22  Richard Henderson  <rth@redhat.com>
2787
2788         * genopinit.c (optabs): Use smin/smax for floating point too.
2789         * doc/md.texi: Update to match.  Clarify that floating point
2790         results are undefined for +0/-0 and NaN.
2791         * doc/rtl.texi: Likewise.
2792         * rtl.def (SMIN, SMAX): Likewise
2793         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2794
2795         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2796         leading 's' to the name.
2797         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2798         smaxxf3, sminxf3): Likewise.
2799         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2800         Likewise.
2801
2802 2005-01-22  Paul Brook  <paul@codesourcery.com>
2803
2804         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
2805
2806 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
2807
2808         * config/s390/s390.c (struct processor_costs): New fields
2809         dlgr, dlr, dr, dsgfr, dsgr.
2810         (z900_cost, z990_cost): Values for new fields.
2811         (s390_rtx_costs): New cases MEM und COMPARE in switch
2812         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
2813         DIV, MOD, UDIV, UMOD.
2814
2815 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2816
2817         * config/s390/s390.md ("doloop_si64"): Reload input value directly
2818         into the register being decremented.
2819         ("doloop_si31", "doloop_di"): Likewise.
2820         ("*doloop_si_long"): Adapt pattern.
2821
2822 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2823
2824         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
2825         access registers.
2826         (CLASS_MAX_NREGS): Likewise.
2827
2828 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
2829
2830         * doc/tree-ssa.texi (Statement Operands): Add example for new
2831         must-def macro. Note deprecation of old operands interface.
2832
2833 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
2834
2835         PR tree-optimization/19484
2836         * tree-cfg.c (remove_fallthru_edge): New function.
2837         (cleanup_control_flow): Remove fallthru edges from calls that are
2838         now known not to return.
2839
2840 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
2841
2842         Fix PR tree-optimization/19038
2843         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
2844         copies with loop variant ones.
2845
2846 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
2847
2848         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
2849         config/alpha/alpha-protos.h, config/alpha/alpha.h,
2850         config/alpha/alpha.md, config/alpha/predicates.md,
2851         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
2852         config/sparc/sol2.h: Update copyright.
2853
2854         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
2855         first label to see if it is a nonlocal label.
2856
2857 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
2858             Andrew Pinski  <pinskia@physics.uc.edu>
2859
2860         PR target/19491
2861         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
2862         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
2863
2864 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2865
2866         * config/rs6000/rtems.h: Update copyright.
2867
2868 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2869
2870         PR target/19548
2871         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
2872         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
2873         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
2874
2875 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2876
2877         PR c/18809
2878         * c-typeck.c (convert_arguments): Check for error_mark_node.
2879
2880 2005-01-21  Ian Lance Taylor  <ian@airs.com>
2881
2882         PR tree-optimization/13000
2883         * tree-inline.c: Include "tree-flow.h".
2884         (expand_call_inline): If warn_return_type, warn if non-void inline
2885         function falls through.
2886         * tree-cfg.c (execute_warn_function_return): Don't warn about
2887         control reaching end if TREE_NO_WARNING is set.  Set
2888         TREE_NO_WARNING.
2889         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
2890         has been lowered.
2891         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
2892         branch if we don't need one.
2893         * c-typeck.c: Include "tree-flow.h"
2894         (c_finish_bc_stmt): Don't add a goto if the current statement
2895         list doesn't fall through to the current point.
2896
2897 2005-01-21  Roger Sayle  <roger@eyesopen.com>
2898
2899         PR rtl-optimization/576
2900         * real.c (real_arithmetic): Change return type from void to bool
2901         to return an indication that the result may be inexact.
2902         * real.h (real_arithmeric): Update prototype.
2903         * fold-const.c (const_binop):  Don't constant fold floating
2904         point expressions when the user specifies -frounding-math and
2905         the result may depend upon the run-time rounding mode.
2906         (fold_convert_const_real_from_real): Clean-up.
2907         (fold_initializer): Ignore flag_rounding_math for initializers.
2908         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
2909         constant fold FP operations with flag_rounding_math if the
2910         result may depend upon the run-time rounding mode.
2911
2912 2005-01-21  Tom Tromey  <tromey@redhat.com>
2913
2914         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
2915
2916 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
2917
2918         * tree-cfg.c: Fix comment typos.
2919
2920 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
2921
2922         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
2923         around the call to rest_of_handle_branch_target_load_optimize.
2924
2925 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2926
2927         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
2928         (sparc64-*-openbsd*): Likewise.
2929         (sparclite-*-elf*): Include tm-dwarf2.h.
2930         (sparc86x-*-elf*): Likewise.
2931         (sparc64-*-elf*): Likewise.
2932         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
2933         (DBX_DEBUGGING_INFO): Likewise.
2934         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
2935         (PREFERRED_DEBUGGING_TYPE): Likewise.
2936         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2937         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
2938         (PREFERRED_DEBUGGING_TYPE): Likewise.
2939         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
2940         (PREFERRED_DEBUGGING_TYPE): Likewise.
2941         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
2942
2943 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
2944
2945         PR target/18701
2946         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
2947
2948 2005-01-20  Paul Brook  <paul@codesourcery.com>
2949
2950         * doc/rtl.texi: Document value extension requirements for CONST_INT.
2951
2952 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
2953
2954         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
2955         label is first in a sequence of labels.
2956
2957         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
2958
2959 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
2960             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2961
2962         * doc/sourcebuild.texi (Test Directives): New.
2963
2964 2005-01-20  Roger Sayle  <roger@eyesopen.com>
2965
2966         * real.c (real_floor): Don't leave the result uninitialized when
2967         mode is VOIDMode, but return the unrounded intermediate value.
2968         (real_ceil): Likewise.
2969
2970 2005-01-20  Paul Brook  <paul@codesourcery.com>
2971
2972         * config/arm/arm.md (insv): Use gen_int_mode.
2973
2974 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
2975
2976         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
2977         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2978         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2979         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2980         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2981
2982 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
2983
2984         Fix PR debug/19124
2985         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
2986         fbreg, so we have to assume we can't.
2987         (loc_descriptor_from_tree_1): Ditto.
2988         (containing_function_has_frame_base): New function.
2989         (add_location_or_const_value_attribute): Use it.
2990         Also try to generate a frame_base from a single element location
2991         list.
2992
2993 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
2994
2995         PR tree-optimization/15349
2996         * timevar.def (TV_TREE_MERGE_PHI): New.
2997         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
2998         PHI_WANTED.
2999         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3000         calls to tree_forwarder_block_p.
3001         (remove_forwarder_block_with_phi, merge_phi_nodes,
3002         gate_merge_phi, pass_merge_phi): New.
3003         * tree-optimize.c (init_tree_optimization_passes): Add
3004         pass_merge_phi.
3005         * tree-pass.h: Add an extern for pass_merge_phi;
3006
3007 2005-01-20  Richard Henderson  <rth@redhat.com>
3008
3009         PR target/19418
3010         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3011         (_mm_castps_pd, _mm_castps_si128): New.
3012         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3013
3014 2005-01-20  Richard Henderson  <rth@redhat.com>
3015
3016         PR target/19530
3017         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3018         __builtin_ia32_vec_init_v2si.
3019         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3020         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3021         (ix86_init_mmx_sse_builtins): Create it.
3022         (ix86_expand_builtin): Expand it.
3023         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3024         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3025         (vec_extractv2si_0, vec_extractv2si_1): New.
3026
3027 2005-01-20  Richard Henderson  <rth@redhat.com>
3028
3029         PR target/16533
3030         * config/i386/i386.c (ix86_expand_push): New.
3031         * config/i386/mmx.md (push<MMXMODE>1): New.
3032         * config/i386/sse.md (push<SSEMODE>1): New.
3033         * config/i386/i386-protos.h: Update.
3034
3035 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3036
3037         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3038         copyright.
3039
3040 2005-01-20  Richard Henderson  <rth@redhat.com>
3041
3042         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3043         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3044
3045 2005-01-19  Richard Henderson  <rth@redhat.com>
3046
3047         PR target/19350
3048         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3049         to V4SFmode in SSE1 fallback load path.
3050
3051 2005-01-19  Richard Henderson  <rth@redhat.com>
3052
3053         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3054         in QImode expansion to ix86_expand_vector_set.
3055         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3056
3057 2005-01-19  Richard Henderson  <rth@redhat.com>
3058
3059         PR target/19511
3060         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3061         subclass of the input class.
3062         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3063         Always true for cross-SSE1 classes.  Rationalize conditionals.
3064         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3065         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3066         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3067         (movdi_2): Add MMX/SSE zeros.
3068         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3069         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3070         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3071         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3072         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3073         (zero_extendsidi2_rex64_1): Remove.
3074         (MOV0 peephole): Check GENERAL_REG_P.
3075
3076 2005-01-19  Richard Henderson  <rth@redhat.com>
3077
3078         PR target/19427
3079         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3080         shufps elements.
3081         (ix86_expand_vector_extract): Likewise.
3082
3083 2005-01-19  Richard Henderson  <rth@redhat.com>
3084
3085         PR middle-end/19304
3086         * expr.c (emit_move_change_mode): New argument force; use
3087         simplify_gen_subreg if true.
3088         (emit_move_via_alt_mode): Merge into ...
3089         (emit_move_via_integer): ... here.
3090         (emit_move_ccmode): Use emit_move_change_mode directly.
3091
3092 2005-01-19  Richard Henderson  <rth@redhat.com>
3093
3094         PR target/19518
3095         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3096         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3097         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3098         rtl if true.
3099         (alpha_emit_set_const): Likewise.  Make static.
3100         (alpha_emit_set_long_const): Make static.
3101         (alpha_extract_integer): Split out from alpha_expand_mov.
3102         (alpha_split_const_mov): Likewise.
3103         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3104         (alpha_legitimate_constant_p): New.
3105         * config/alpha/alpha-protos.h: Update.
3106         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3107         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3108         * config/alpha/alpha.md (movsi): Add n alternative.
3109         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3110         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3111         (splitters for all of the above): Use alpha_split_const_mov.
3112         * config/alpha/predicates.md (non_add_const_operand): New.
3113         (non_zero_const_operand): New.
3114         (input_operand): Use alpha_legitimate_constant_p after reload.
3115
3116 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3117
3118         PR tree-optimization/19038
3119         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3120         (add_candidate): Add ivs with increment in latch only if
3121         allow_ip_end_pos_p is true.
3122         (determine_iv_cost): Use empty_block_p.
3123
3124 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3125
3126         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3127         (compute_dominance_frontiers): Ditto.
3128
3129 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3130
3131         PR target/19529
3132         * config/sh/t-rtems: New.
3133         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3134
3135 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3136
3137         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3138         the offset of the selected field.
3139
3140 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3141
3142         * tree-cfg.c (remove_forwarder_block): Fix the check to
3143         prevent a nonlocal label from appearing in the middle of a
3144         basic block.
3145
3146 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3147
3148         PR rtl-optimization/19462
3149         * reorg.c (find_end_label): Create return insn only if
3150         current_function_epilogue_delay_list is empty.
3151
3152 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3153
3154         * doc/passes.texi: Remove paragraph mentioning new-ra.
3155
3156 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3157
3158         PR rtl-optimization/15139
3159         * combine.c: Include params.h.
3160         (count_rtxs): New function.
3161         (record_value_for_reg): If replace_rtx would replace at least
3162         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3163         (clobber (const_int 0)) instead of TEM.
3164         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3165         * params.h (MAX_LAST_VALUE_RTL): New.
3166         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3167         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3168
3169         PR c/17297
3170         * c-typeck.c (digest_init): Only call build_vector if all constructor
3171         elements are *_CST nodes.
3172         * gimplify.c (gimplify_init_constructor): Likewise.
3173
3174         PR middle-end/19164
3175         * c-typeck.c (digest_init): Only call build_vector if inside_init
3176         is a CONSTRUCTOR.
3177
3178 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3179
3180         * toplev.c (init_asm_output): Remove dead #ifdef.
3181
3182 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3183
3184         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3185
3186 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3187
3188         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3189         accessing DECL_FUNCTION_CODE.
3190         * dojump.c (do_jump): Likewise.
3191         * gimplify.c (gimplify_call_expr): Likewise.
3192         * predict.c (expr_expected_value): Likewise.
3193         (strip_builtin_expect): Likewise.
3194         * tree-inline.c (estimate_num_insns_1): Likewise.
3195         * tree-ssa-loop-im.c (stmt_cost): Likewise
3196         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3197         (tree_expr_nonnegative_p): Likewise.
3198
3199 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3200
3201         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3202         variant of the load_pcrel_sym pattern.
3203         * config/sparc/sparc.md (P macro): Move to the top.
3204         (load_pcrel_sym): Macroize using P.
3205         (save_register_window): Likewise.
3206
3207 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3208
3209         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3210         ("sordered"): Same.
3211
3212 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3213
3214         PR C/19472
3215         * c-typeck.c (build_asm_expr): Strip nops off
3216         input memory operands.
3217
3218 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3219
3220         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3221         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3222         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3223         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3224
3225 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3226
3227         PR target/19379
3228         * config/i386/i386.c (override_options): If the 80387 is disabled,
3229         then do not return FP values using FP registers.
3230
3231 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3232
3233         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3234         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3235         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3236         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3237         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3238         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3239         output.h, postreload-gcse.c, postreload.c, recog.c,
3240         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3241         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3242         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3243         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3244         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3245         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3246         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3247         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3248
3249         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3250         config/alpha/alpha.c, config/arm/vfp.md,
3251         config/i386/emmintrin.h, config/i386/i386-modes.def,
3252         config/i386/i386-protos.h, config/i386/i386.h,
3253         config/i386/pmmintrin.h, config/i386/ppro.md,
3254         config/i386/predicates.md, config/i386/xmmintrin.h,
3255         config/i860/i860.c, config/ia64/ia64-modes.def,
3256         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3257         config/ia64/ia64.md, config/ia64/itanium1.md,
3258         config/ia64/itanium2.md, config/ia64/predicates.md,
3259         config/iq2000/iq2000.h, config/mips/linux64.h,
3260         config/rs6000/aix41.h, config/rs6000/aix43.h,
3261         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3262         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3263         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3264         config/sparc/linux64.h, config/sparc/litecoff.h,
3265         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3266         config/sparc/sparc.h, config/sparc/sparc.md,
3267         config/sparc/sysv4-only.h: Update copyright.
3268
3269 2005-01-18  Richard Henderson  <rth@redhat.com>
3270
3271         PR target/19496
3272         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3273
3274 2005-01-18  Marc Espie  <espie@openbsd.org>
3275         * config/i386/openbsdelf.h: Typo.
3276
3277 2005-01-18  Richard Henderson  <rth@redhat.com>
3278
3279         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3280         special case for sse.
3281         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3282
3283 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3284
3285         * tree-inline.c (estimate_num_insns_1): Added cases for
3286         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3287
3288 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3289
3290         PR rtl-optimization/19296
3291         * combine.c (simplify_comparison): Rewrite the condition under
3292         which a non-paradoxical SUBREG of a PLUS can be lifted when
3293         compared against a constant.
3294
3295 2005-01-18  Andi Kleen <ak@muc.de>
3296
3297         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3298         * c.opt (-Wpointer-sign): Add.
3299         * doc/invoke.texi: (-Wpointer-sign): Add.
3300
3301 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3302
3303         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3304         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3305         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3306         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3307         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3308         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3309         for TARGET_MIX_SSE_I387.
3310         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3311         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3312         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3313         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3314         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3315         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3316         TARGET_MIX_SSE_I387.
3317         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3318         from expander.
3319
3320 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3321
3322         PR target/19424
3323         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3324         Add movaps alternative for xmm reg->reg move.
3325
3326 2005-01-17  Jeff Law  <law@redhat.com>
3327
3328         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3329         at the end of the main DOM loop rather than just before DOM exits.
3330
3331 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3332
3333         PR tree-optimization/19121
3334         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3335         adding aliases to a name tag, also add them to the pointer's
3336         type tag.
3337         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3338         sensitive alias info at all.  Only check that the two pointers
3339         have compatible pointed-to sets.
3340         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3341         a pointer's type tag is a superset of the alias set of the
3342         pointer's name tag.
3343
3344 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3345
3346         PR target/19357
3347         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3348         comment to document why.
3349
3350 2005-01-17  Richard Henderson  <rth@redhat.com>
3351
3352         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3353         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3354         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3355         sse2_vmsminv2df3_finite): New.
3356         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3357         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3358         Force op1 into register.
3359
3360 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3361
3362         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3363         bubblestrap from always rebuilding build directory.
3364
3365 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3366
3367         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3368         ("*cmpmem_short"): Likewise.
3369
3370 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3371
3372         * basic-block.h: Document BB_* flags.
3373         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3374         use an sbitmap instead.
3375         * sched-rgn.c (compute_trg_info): Likewise.
3376
3377 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3378
3379         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3380         redundant target_cpu_default and extra_parts lines.  Use the default
3381         "from-abi" ISA.
3382         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3383         (SUBTARGET_EXTRA_SPECS): Delete.
3384         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3385         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3386         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3387         and "n32" for -mabi=n32.
3388
3389 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3390
3391         PR c/5675
3392         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3393         fold constant variables into initial values.
3394
3395 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3396
3397         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3398
3399         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3400         through the statements backward.
3401
3402 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3403
3404         PR middle-end/13127:
3405         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3406         a variable set to the return value of the inlined function.
3407
3408 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3409
3410         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3411         when modes are tieable.
3412
3413 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3414
3415         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3416         of pthread_create to find out if threads are enabled.
3417         * gthr-posix95.h (__gthread_active_p): Likewise.
3418
3419 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3420
3421         * common.opt (-fnew-ra): Remove.
3422         * ra*.*: Remove.
3423         * toplev.h (flag_new_regalloc): Remove.
3424         * Makefile.in (ra*.*): Don't mention.
3425         * passes.c (rest_of_handle_new_regalloc): Remove.
3426         (rest_of_handle_combine, rest_of_compilation): Always consider
3427         flag_new_regalloc as false.
3428         * doc/invoke.texi: Don't document -fnew-ra.
3429
3430 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3431
3432         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3433         last parameter to reg_scan.
3434         * loop.c (loop_optimize): Likewise.
3435         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3436         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3437         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3438         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3439         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3440         * regclass.c (reg_scan): Likewise, for the declaration.
3441         * rtl.h (reg_scan): Likewise, for the prototype.
3442
3443 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3444
3445         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3446         mark_dfs_back_edges.
3447
3448 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3449
3450         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3451         (compute_avail): Uses don't go in tmp_gen.
3452
3453 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3454
3455         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3456         loop to look for a free slot in a page entry.
3457
3458 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3459
3460         PR target/16304
3461         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3462         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3463         just before targetm.asm_out.file_end.
3464         * tree.h (process_pending_assemble_output_defs): Declare.
3465         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3466         New functions.
3467         (assemble_alias): Defer generation of assembly code for defines when
3468         TARGET_DEFERRED_OUTPUT_DEFS is true.
3469         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3470         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3471         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3472
3473 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3474
3475         PR target/19336
3476         * pa.c (pa_scalar_mode_supported_p): New function.
3477         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3478         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3479
3480         * pa-protos.h (prefetch_operand): Delete.
3481         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3482         * pa.c (prefetch_operand): Delete.
3483         (prefetch_cc_operand, prefetch_nocc_operand): New functions.