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PR tree-optimization/18947
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
2
3         PR tree-optimization/18947
4         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
5         inline, remove all nodes that are inlined into the extern inline
6         being redefined.
7
8 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9
10         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
11         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
12         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
13         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
14         Update copyright.
15
16 2005-02-17  Roger Sayle  <roger@eyesopen.com>
17
18         PR tree-optimization/19917
19         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
20         to be potentially trapping.
21
22 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
23
24         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
25
26 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
27
28         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
29         tem becomes a local variable which is set to the value of the 
30         back end defined INITIAL_FRAME_ADDRESS macro.
31         (expand_builtin_frame_address): Omit the base parameter to 
32         expand_builtin_return_addr.
33         (expand_builtin_profile_func): Likewise.
34         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
35         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
36         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
37
38 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
39
40         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
41         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
42         * config/frv/frv.c (frv_function_epilogue): Likewise.
43
44 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
45
46         * lambda-code (perfect_nestify): Remove mark/unmark
47         for rewriting hack.
48         * tree-loop-linear.c (linear_transform_loops): Add
49         rewrite_into_ssa call so that ssa is correct for
50         rewriting into loop closed.
51
52 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
53
54         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
55         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
56         BITMAP_FREE.
57         * bt-load.c (btr_def_live_range, combine_btr_defs,
58         migrate_btr_def, migrate_btr_defs): Likewise.
59         * cfgcleanup.c (thread_jump): Likewise.
60         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
61         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
62         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
63         df_rd_local_compute, df_reg_info_compute): Likewise.
64         * dominance.c (init_dom_info, free_dom_info): Likewise.
65         * flow.c (init_propagate_block_info,
66         free_propagate_block_info): Likewise.
67         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
68         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
69         modify_reg_pav): Likewise.
70         * loop-invariant.c (find_defs, find_invariant_insn,
71         find_invariants, free_inv_motion_data): Likewise.
72         * predict.c (tree_predict_by_opcode,
73         estimate_bb_frequencies): Likewise.
74         * stmt.c (expand_case): Likewise.
75         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
76         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
77         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
78         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
79         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
80         rewrite_ssa_into_ssa): Likewise.
81         * tree-optimize.c (tree_rest_of_compilation): Likewise.
82         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
83         analyze_edges_for_bb, perform_edge_inserts): Likewise.
84         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
85         * tree-sra.c (tree_sra): Likewise.
86         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
87         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
88         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
89         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
90         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
91         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
92         Likewise.
93         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
94         calculate_live_on_entry, calculate_live_on_exit,
95         build_tree_conflict_graph): Likewise.
96         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
97         record_important_candidates, set_use_iv_cost, find_depends,
98         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
99         tree_ssa_iv_optimize_finalize): Likewise.
100         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
101         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
102         tree_duplicate_loop_to_header_edge): Likewise.
103         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
104         * tree-ssa.c (verify_flow_insensitive_alias_info,
105         verify_name_tags, verify_ssa, init_tree_ssa,
106         delete_tree_ssa): Likewise.
107         * tree-ssanames.c (marked_ssa_names, init_ssanames,
108         fini_ssanames): Likewise.
109         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
110
111 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
112
113         * config/rs6000/t-rtems: Completely reworked. 
114
115 2005-02-17  Ira Rosen  <irar@il.ibm.com>
116
117         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
118
119 2005-02-17  Ira Rosen  <irar@il.ibm.com>
120
121         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
122         POINTER_TYPE_P when checking that type is a pointer.
123         (vect_get_memtag): Remove.
124         (vect_address_analysis): Use POINTER_TYPE_P. Call
125         vect_object_analysis with dummy parameter for memtag.
126         (vect_object_analysis): Extract memtag (functionality that
127         used to be in vect_get_memtag and moved here). Fix printings.
128         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
129         with correct parameters. Remove call to vect_get_memtag.
130
131 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
132
133         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
134         (tree-vectorizer.o): Added missing dependencies.
135
136         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
137         decleration.
138         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
139         declaration in tree-vectorizer.c, now has an extern declaration in
140         tree-vectorizer.h).
141         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
142         slpeel_verify_cfg_after_peeling, vect_strip_conversion, 
143         get_vectype_for_scalar_type, vect_is_simple_use, 
144         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
145         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
146         new_stmt_vec_info, vect_analyze_loop, vectorizable_load, 
147         vectorizable_store, vectorizable_operation, vectorizable_assignment,
148         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
149         find_loop_location): Likewise.
150
151         * tree-vectorizer.c (langhooks.h): #include removed.
152         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
153         moved to tree-vectorized.h.
154         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
155         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
156         get_vectype_for_scalar_type, vect_is_simple_use,
157         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
158         vect_supportable_dr_alignment, new_loop_vec_info,
159         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
160         vect_set_verbosity_level, find_loop_location): Likewise.
161
162         (vect_analyze_loop): Function externalized. Declaration moved to 
163         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
164         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
165         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
166         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
167         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
168         vect_enhance_data_refs_alignment, vect_analyze_operations,
169         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
170         vect_stmt_relevant_p, vect_get_loop_niters,
171         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
172         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
173         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
174         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
175         vect_get_memtag): Likewise.
176
177         (vectorizable_load): Function externalized. Declaration moved to 
178         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
179         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
180         vect_transform_loop): Likewise.
181         (vect_transform_stmt): Moved to tree-vect-transform.c.
182         (vect_align_data_ref, vect_create_destination_var, 
183         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
184         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
185         vect_get_vec_def_for_operand, vect_init_vector,
186         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
187         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
188         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
189         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
190         vect_do_peeling_for_loop_bound): Likewise.
191         
192         * tree-vect-analyze.c: New file.
193         * tree-vect-transform.c: New file.
194
195 2005-02-17  Jason Merrill  <jason@redhat.com>
196
197         PR mudflap/19319, c++/19317
198         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
199         slot explicit.
200
201 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
202
203         * doc/install.texi (Specific): Update link for Darwin-specific
204         tool binary site.
205         
206 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
207
208         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
209         constant_boolean_node.
210
211 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
212
213         PR target/19019
214         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
215         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
216
217 2005-02-16  Richard Henderson  <rth@redhat.com>
218
219         PR 19920
220         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
221         with W_TYPE_SIZE.
222         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
223         replace uses with Wtype_MAXp1_F.
224         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
225         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
226         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
227         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
228         and HAVE_TFMODE as appropriate.
229         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
230         (__floatdisf): Likewise.
231         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
232         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
233         (Wtype_MAXp1_F): New.
234         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
235         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
236
237 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
238
239         * PR target/19162
240         * arm.c (arm_apply_result_size): New function.
241         * arm.h (APPLY_RESULT_SIZE): Define.
242         * arm-protos.h (arm_apply_result_size): Add prototype.
243         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
244         (movxf): New expand.
245         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
246         (call_value_symbol): Remove predicate for operand 0.
247         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
248         (untyped_call): Rework to correclty return values for any type.
249         (untyped_return): New expand.
250         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
251
252 2005-02-16  Stan Shebs  <shebs@apple.com>
253
254         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
255         * config/rs6000/t-darwin8: New, for 64-bit multilib.
256
257 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
258
259         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
260         configure settings on Solaris 7 and later.
261
262 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
263
264         PR tree-optimization/19865
265         * tree-optimize.c (init_tree_optimization_passes): Run
266         pass_may_alias after pass_sra.
267
268 2005-02-16  Richard Henderson  <rth@redhat.com>
269             Stuart Hastings  <stuart@apple.com>
270
271         PR debug/19521
272         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
273         Do nothing if debug info suppressed for this function.
274         (dbxout_begin_function): Early exit if debug info suppressed for
275         this function.
276
277 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
278
279         PR target/20007
280         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
281         find_basic_blocks.
282         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
283
284         PR tree-optimization/19967
285         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
286         expand_builtin_strchr, expand_builtin_strrchr): Take a new
287         argument TYPE.  Adjust calls to fold_builtin_XXX.
288         (expand_builtin, fold_builtin_1): Adjust calls to
289         expand_builtin_XXX.
290         (fold_builtin_strchr, fold_builtin_strpbrk,
291         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
292         result to a requested type TYPE.
293
294 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
295
296         PR middle-end/19857
297         * fold-const.c (fold): Don't optimize (T)(x & cst) to
298         (T)x & (T)cst if (T)cst overflows.
299         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
300         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
301
302 2005-02-15  Jeff Law  <law@redhat.com>
303
304         * gcse.c (blocks_with_calls): New bitmap.
305         (alloc_gcse_mem): Allocate it.
306         (free_gcse_mem): Free it.
307         (clear_modifY_mem_tables): Clear it.
308         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
309         when we encounter CALL_INSNs.
310         (compute_transp, case MEM): Handle blocks with calls separate
311         from blocks without calls.  Use bitmap iterators rather than
312         FOR_EACH_BB.
313
314 2005-02-15  Peter O'Gorman  <peter@pogma.com>
315
316         PR bootstrap/18810
317         * mklibgcc.in (vis_hide): Use a temporary object file, not
318         -o /dev/null.
319
320 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
321
322         PR target/19924
323         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
324         access optimization.
325
326 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
327             Alan Modra  <amodra@bigpond.net.au>
328
329         PR target/19019
330         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
331         (_xlqsub): Rename to __gcc_qsub.
332         (_xlqmul): Rename to __gcc_qmul.
333         (_xlqdiv): Rename to __gcc_qdiv.
334         Provide versioned symbol aliases with old names.
335         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
336         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
337         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
338         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
339         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
340
341 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
342
343         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
344         Fold ~(A - 1) and ~(A + -1) to -A.
345
346 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
347
348         PR pch/14940
349         PR target/19300
350         * config/host-linux.c (linux_gt_pch_use_address): Copy from
351         config/pa/pa-host.c:pa_gt_pch_use_address.
352
353 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
354
355         * tree-vn.c (get_value_handle): Make sure that given an
356         is_gimple_min_invariant expression, we always return it.
357
358 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
359
360         * passes.c (rest_of_handle_gcse): Fix a comment.
361
362 2005-02-15  Jeff Law  <law@redhat.com>
363
364         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
365         bitmap.
366         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
367         (canon_list_insert, record_last_mem_set_info): Similarly.
368         (clear_modify_mem_tables): Similarly.
369
370 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
371
372         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
373         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
374         config/mips/mips.md, config/rs6000/aix.h,
375         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
376
377 2005-02-15  Richard Henderson  <rth@redhat.com>
378
379         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a 
380         call to be best_edge.
381
382 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
383
384         * basic-block.h: Adjust the prototype for find_basic_blocks.
385         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
386         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
387         find_basic_blocks.
388
389         * flow.c (recompute_reg_usage): Remove all arguments.
390         * passes.c (rest_of_compilation): Adjust the call to
391         recompute_reg_usage.
392         * rtl.h: Adjust the prototype for recompute_reg_usage.
393
394 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
395         
396         * tree-dump.c (dump_files): Update to reflect new member
397         of dump_file_info.
398         (dump_register): Add new argument.
399         Set glob name.
400         (dump_switch_p_1): Check against glob name if doglob was passed.
401         (dump_switch_p): Check against regular first, then glob if
402         we didn't have any hits on the dump name.
403         * tree-optimize.c (register_one_dump_file):
404         Pass in glob name as well.
405         * tree-pass.h (struct dump_file_info): Add glob
406         member.
407
408 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
409
410         PR preprocessor/16323
411         * doc/invoke.texi: Document that -Wendif-labels is on by default.
412
413 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
414
415         PR target/19019
416         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
417         (trunctfdf2_internal1): New.
418         (trunctfdf2_internal2): Renamed from trunctfdf2.
419
420 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
421
422         PR tree-optimization/19853
423         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
424
425 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
426
427         * passes.c (rest_of_handle_loop_optimize): Remove calls to
428         delete_dead_jumptables and cleanup_cfg.
429
430 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
431
432         * reload.c (find_reloads): Swap address_reloaded flags when
433         swapping commutative operands.
434
435 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
436
437         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
438         Use standard_iv_increment_position for computing the bsi position
439         for create_iv.
440         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
441         the bsi position.
442
443 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
444
445         PR target/17428
446         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
447         life range of hard registers.
448         * value-prof.c (insn_prefetch_values_to_profile): Only
449         scan normal insns.
450
451         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
452         profile in libcalls.
453
454 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
455
456         * bitmap.h (bitmap_and_compl_into): Return bool.
457         * bitmap.c (bitmap_and_compl_into): Return changed flag.
458
459 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
460
461         PR tree-optimization/19944
462         * fold-const.c (fold): Re-add ABS_EXPR folding.
463
464 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
465
466         PR target/19019
467         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
468         {TARGET,MASK}_XL_COMPAT.
469         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
470         MASK_XL_COMPAT.
471         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
472         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
473         TARGET_XL_COMPAT.
474         (rs6000_arg_partial_bytes): Same.
475         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
476         and XL compatibility enabled.
477         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
478         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
479         test to final condition.
480         (cmptf_internal2): New.
481         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
482         xl-compat.  Add TFmode information to description.
483
484 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
485
486         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
487
488 2005-02-13  Jason Merrill  <jason@redhat.com>
489
490         PR c++/16405
491         * fold-const.c (fold_indirect_ref_1): Split out from...
492         (build_fold_indirect_ref): Here.
493         (fold_indirect_ref): New fn.
494         * tree.h: Declare it.
495         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
496         (gimplify_modify_expr_rhs): Likewise.
497         (gimplify_expr): Likewise.
498
499 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
500
501         PR tree-optimization/14303
502         PR tree-optimization/15784
503         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
504         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
505         ABS_EXPR<x> != 0 to x != 0.
506
507 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
508
509         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
510         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
511         spelling conventions.
512
513         * passes.c (rest_of_handle_gcse): Don't run cse_main and
514         delete_trivially_dead_insns too many times.
515
516         * passes.c (rest_of_handle_gcse): Remove dead assignments to
517         tem and tem2.
518
519 2005-02-12  Ira Rosen  <irar@il.ibm.com>
520
521         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
522         (vect_is_simple_iv_evolution): Remove redundant parameter
523         and step check.
524         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
525         without last parameter.
526         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
527         Return pointer step. Call vect_is_simple_iv_evolution without
528         last parameter. Check only that the step is multiple of size
529         type. Remove stmt_vinfo updates.
530         (vect_get_memtag_and_dr): Remove.
531         (vect_get_memtag): New function.
532         (vect_address_analysis): New function.
533         (vect_object_analysis): New function.
534         (vect_analyze_data_refs): Call vect_object_analysis and
535         vect_get_memtag. Update stmt_vinfo fields.
536
537 2005-02-12  Ira Rosen  <irar@il.ibm.com>
538
539         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
540         exist and are objects. Remove checks for pointer.
541         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
542         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
543         (vect_create_data_ref_ptr): Likewise.
544         (vect_base_addr_differ_p): New function.
545         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
546         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
547         Don't set the DR_BASE_NAME field of data-ref.
548         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
549
550 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
551
552         * optabs.h (enum optab_index): Add new OTI_ldexp.
553         (ldexp_optab): Define corresponding macro.
554         * optabs.c (init_optabs): Initialize ldexp_optab.
555         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
556         patterns.
557         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
558         using ldexp_optab.
559         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
560         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
561
562         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
563         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
564         intrinsics.
565
566 2005-02-12  Ira Rosen  <irar@il.ibm.com>
567
568         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
569         to base_address.
570         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
571         stmt_vec_info.
572         (vect_get_base_and_offset): Always return an address.
573         (vect_create_addr_base_for_vector_ref): Remove treatment for
574         different data reference types.
575         (vect_compute_data_ref_alignment): Rename base to base_address in
576         stmt_vec_info. Get the object in order to force its alignment.
577         (vect_get_memtag_and_dr): Rename base to base_address in
578         stmt_vec_info. Extract the object for memtag analysis.
579
580 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
581
582         PR regression/19898.
583         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
584         changes cc_status, use apply modified_in_p to part of cc_status
585         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
586         body.
587
588 2005-02-11  Richard Henderson  <rth@redhat.com>
589
590         * tree-complex.c (expand_complex_libcall): New.
591         (expand_complex_multiplication): Use it for c99 compliance.
592         (expand_complex_division): Likewise.
593         * fold-const.c (fold_complex_add, fold_complex_mult): New.
594         (fold): Call them.
595         * builtins.c (built_in_names): Remove const.
596         * tree.c (build_common_builtin_nodes): Build complex arithmetic
597         builtins.
598         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
599         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
600         (built_in_names): Remove const.
601         * c-common.c (c_common_type_for_mode): Handle complex modes.
602         * flags.h, toplev.c (flag_complex_method): Rename from
603         flag_complex_divide_method.
604         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
605         __mulsc3, __muldc3, __mulxc3, __multc3): New.
606         * libgcc2.h: Declare them.
607         * libgcc-std.ver: Export them.
608         * mklibgcc.in (lib2funcs): Build them.
609
610 2005-02-11  Steven Bosscher  <stevenb@suse.de>
611
612         PR tree-optimization/19876
613         Partially revert my change from 2005-01-14
614         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
615         (compute_antic): ...and remove the loop here.
616
617 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
618
619         PR middle-end/19858
620         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
621         is number of inner's bits, avoid creating a BIT_FIELD_REF.
622
623         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
624         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
625
626 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
627
628         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
629         offsets for the big-endian 32-bit case.
630
631 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
632
633         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
634
635 2005-02-11  Dale Johannesen  <dalej@apple.com>
636
637         * cselib.c (cselib_process_insn):  Clear out regs where
638         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
639         * reload.c (find_equiv_reg): Ditto.
640
641 2005-02-11  Ian Lance Taylor  <ian@airs.com>
642
643         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
644         with no elements.
645
646         * tree.c (build_function_type_list): Work correctly if there are
647         no arguments.
648
649 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
650
651         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
652         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
653         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
654         TARGET_ZARCH instead of TARGET_64BIT.
655
656 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
657
658         * config/rs6000/t-rtems:
659         (MULTILIB_OPTIONS): Remove mcpu=602.
660         (MUTLILIB_DIRNAMES): Remove m602.
661         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}. 
662         Let mcpu=602 match mcpu=603.
663         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
664
665 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
666
667         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
668         signal trampolines.
669
670 2005-02-10  David Daney  <ddaney@avtrex.com>
671
672         * config/alpha/linux-unwind.h: Add exception clause to copyright.
673         * config/i386/linux-unwind.h: Likewise.
674         * config/ia64/linux-unwind.h: Likewise.
675         * config/mips/linux-unwind.h: Likewise.
676         * config/pa/linux-unwind.h: Likewise.
677         * config/rs6000/linux-unwind.h: Likewise.
678         * config/s390/linux-unwind.h: Likewise.
679         * config/sh/linux-unwind.h: Likewise.
680         * config/sparc/linux-unwind.h: Likewise.
681
682 2005-02-10  Steven Bosscher  <stevenb@suse.de>
683
684         PR tree-optimization/17549
685         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
686         TER to replace a DEF with its expression if the DEF and the
687         rhs of the expression we replace into have the same root
688         variable.
689
690 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
691
692         * config/mips/mips.md: Fix the placement of the match_scratch in the
693         lea64 peephole2.
694
695 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
696
697         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
698         Fix comment typos.
699
700 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
701
702         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
703         (strip_offset): Handle addresses.
704         (add_address_candidates): Use strip_offset.
705         (difference_cost): Reflect strip_offset change.
706         (force_var_cost, difference_cost): Strip nops.
707
708 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
709
710         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
711
712         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
713         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
714         config/cris/cris-protos.h, config/cris/cris.c: Update
715         copyright.
716
717 2005-02-10  Jeff Law  <law@redhat.com>
718
719         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
720         (lookup_avail_expr): Similarly.
721
722 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
723
724         * builtins.c (fold_builtin_powi): New function.
725         (fold_builtin_1): Call it.
726
727 2005-02-10  Steven Bosscher  <stevenb@suse.de>
728
729         PR documentation/19309
730         * doc/cpp.texi: The __GNUC__ and related predefined macros
731         are also defined for the "standalone" cpp.
732         Some non-GCC compilers may also define __GNUC__.
733
734 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
735
736         PR c/19342
737         * c-typeck.c (common_type): New routine.  Old common_type renamed
738         to...
739         (c_common_type): ...this.
740         (build_conditional_expr, build_binary_op): Use c_common_type instead
741         of common_type.
742
743 2005-02-10  Steven Bosscher  <stevenb@suse.de>
744
745         * doc/md.texi: Replace @samp{length} with @code{length}.
746
747 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
748
749         PR tree-optimization/18687
750         * tree-flow.h (find_loop_niter): Declare.
751         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
752         Try using scev even for loops with more than one exit.
753         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
754         (struct ivopts_data): Added niters field.
755         (struct nfe_cache_elt): New.
756         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
757         functions.
758         (tree_ssa_iv_optimize_init): Initialize niters cache.
759         (determine_number_of_iterations): Removed.
760         (find_induction_variables): Do not call determine_number_of_iterations.
761         Access niters for single exit through niter_for_single_dom_exit.
762         (add_iv_outer_candidates): Access niters for single exit through
763         niter_for_single_dom_exit.
764         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
765         number_of_iterations_cond.
766         (iv_period): New function.
767         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
768         (may_replace_final_value): Take data argument.  Use
769         niter_for_single_dom_exit.
770         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
771         (rewrite_use_compare): Pass data to may_eliminate_iv.
772         (rewrite_use_outer): Pass data to may_replace_final_value.
773         (free_loop_data): Clean up the niters cache.
774         (tree_ssa_iv_optimize_finalize): Free the niters cache.
775         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
776         * tree-ssa-loop-niter.c (find_loop_niter): New function.
777         (find_loop_niter_by_eval): Use tree_int_cst_lt.
778         (num_ending_zeros): Moved to tree.c.
779         * tree.h (num_ending_zeros): Declare.
780         * tree.c (num_ending_zeros): Moved from tree.c.
781
782 2005-02-09  Richard Henderson  <rth@redhat.com>
783
784         * builtins.c (DEF_BUILTIN): Add COND argument.
785         * tree.h (DEF_BUILTIN): Likewise.
786         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
787         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
788         match.
789         (DEF_BUILTIN_STUB): New.
790         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
791         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
792         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
793         * c-common.c (DEF_BUILTIN): Add COND argument.
794         * tree.c (local_define_builtin): New.
795         (build_common_builtin_nodes): New.
796
797 2005-02-09  Roger Sayle  <roger@eyesopen.com>
798
799         * fold-const.c (fold_strip_sign_ops): New function to simplify a
800         floating point expression ignoring the sign of the result.
801         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
802         (fold) <MULT_EXPR>: Use it to simplify x*x.
803         * tree.h (fold_strip_sign_ops): Prototype here.
804         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
805         argument.  Use fold_strip_sign_ops to simplify the first argument.
806         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
807         first argument when the second argument is an even integer
808         constant, but only with -funsafe_math_optimizations.
809         (fold_builtin_1): Update call to fold_builtin_copysign.
810
811 2005-02-09  Ian Lance Taylor  <ian@airs.com>
812
813         PR middle-end/19583
814         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
815         just check whether EH_FILTER_FAILURE falls through.
816
817 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
818
819         * gcc/haifa-sched.c (schedule_block): Make queued sched group
820         insns return to ready list in the next turn.
821
822 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
823
824         PR middle-end/19402
825         * builtins.def: New __builtin_powi[lf].
826         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
827         (expand_builtin_powi): New function.
828         (expand_builtin): Dispatch to expand_builtin_powi.
829         * libgcc2.h: Add prototypes for __builtin_powi[lf].
830         * libgcc2.c: Add __builtin_powi[lf] implementation.
831         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
832         * optabs.h: Add powi_optab.
833         * optabs.c (init_optabs): Initialize powi_optab.
834         * doc/extend.texi: Document __builtin_powi[lf].
835
836 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
837
838         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file 
839         exists.
840
841 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
842
843         PR middle-end/19854
844         * fold-const.c (try_move_mult_to_index): Remove redundant
845         type argument.  Create ADDR_EXPR with correct type.
846         (fold): Update callers of try_move_mult_to_index.  Convert
847         result to the appropriate type.
848
849 2005-02-09  Roger Sayle  <roger@eyesopen.com>
850
851         PR target/19597
852         * config/avr/avr.c (default_rtx_costs): Delete.
853         (avr_operand_rtx_cost): New function.
854         (avr_rtx_costs): Completely rewrite.
855
856 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
857
858         PR target/19806
859         * config/cris/cris.c (in_code): New variable.
860         (cris_output_addr_const): Now a static function, a wrapper for
861         output_addr_const.
862         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
863         case from old cris_output_addr_const.
864         (cris_asm_output_label_ref): Similar for LABEL_REF.
865         (cris_output_addr_const_extra): Similar for UNSPEC.
866         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
867         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
868         * config/cris/cris-protos.h (cris_output_addr_const): Remove
869         declaration.
870         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
871         (cris_asm_output_label_ref): Declare.
872
873 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
874
875         PR preprocessor/19801
876         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
877         filenames that changed when libcpp was moved to the toplevel.
878
879 2005-02-07  Roger Sayle  <roger@eyesopen.com>
880
881         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
882         zero extensions of BImode operands.  Call lowpart_subreg instead
883         of gen_lowpart_common and gen_lowpart_SUBREG.
884
885 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
886
887         PR ada/19489
888         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
889         * configure.ac: Set cc_for_cross_gnattools.
890         * configure: Regenerate.
891
892 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
893
894         PR target/19803
895         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
896
897 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
898
899         PR debug/19327
900         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
901         of nested functions.
902
903 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
904
905         * doc/extend.texi: Document deprecated extensions allowing
906         static floating-point members to have initializers and allowing
907         floating-point literals in integral constant expressions.
908
909 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
910
911         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
912         config/darwin7.h, config/mips/mips.c,
913         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
914         Update copyright.
915
916         * cse.c: Update comments.
917
918 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
919
920         PR middle-end/19775
921         * builtins.c (fold_builtin_sqrt): Transform
922         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
923         pow(x,y*0.5).
924
925 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
926             Dorit Naishlos  <dorit@il.ibm.com>
927
928         * doc/invoke.texi (ftree-vectorizer-verbose): New.
929         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
930         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
931         was added.
932         * tree.h (vect_set_verbosity_level): New extern function declaration
933         added.
934         * tree-vectorizer.h (verbosity_levels): New enum type.
935         * tree-vectorizer.c (vect_debug_stats): Function removed.
936         (vect_debug_details): Likewise.
937         (vect_verbosity_level): Global variable was defined and initialized.
938         (vect_dump): Global variable definition.
939         (vect_print_dump_info): New function.
940         (vect_set_dump_settings): New function.
941         (vect_set_verbosity_level): New function.
942         (vectorize_loops): Add call to vect_set_dump_settings.
943
944         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
945         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
946         (slpeel_tree_peel_loop_to_edge): Likewise.
947
948         (vect_analyze_offset_expr): Call to vect_print_dump_info with
949         appropriate verbosity level instead of call to vect_debug_details 
950         or vect_debug_stats. 
951         (vect_get_base_and_offset):
952         (vect_create_addr_base_for_vector_ref):
953         (get_vectype_for_scalar_type):
954         (vect_create_data_ref_ptr):
955         (vect_init_vector):
956         (vect_get_vec_def_for_operand):
957         (vect_finish_stmt_generation):
958         (vectorizable_assignment):
959         (vectorizable_operation):
960         (vectorizable_store):
961         (vectorizable_load):
962         (vect_transform_stmt):
963         (vect_update_ivs_after_vectorizer):
964         (vect_do_peeling_for_loop_bound):
965         (vect_update_inits_of_drs):
966         (vect_do_peeling_for_alignment):
967         (vect_transform_loop):
968         (vect_is_simple_use):
969         (vect_analyze_operations):
970         (vect_is_simple_iv_evolution):
971         (vect_analyze_scalar_cycles):
972         (vect_analyze_data_ref_dependence):
973         (vect_analyze_data_ref_dependences):
974         (vect_compute_data_ref_alignment):
975         (vect_enhance_data_refs_alignment):
976         (vect_analyze_data_refs_alignment):
977         (vect_analyze_data_ref_access):
978         (vect_analyze_data_ref_accesses):
979         (vect_analyze_pointer_ref_access):
980         (vect_get_memtag_and_dr):
981         (vect_analyze_data_refs):
982         (vect_mark_relevant):
983         (vect_stmt_relevant_p):
984         (vect_mark_stmts_to_be_vectorized):
985         (vect_can_advance_ivs_p):
986         (vect_get_loop_niters):
987         (vect_analyze_loop_form):
988         (vect_analyze_loop):
989         (vectorize_loops): Likewise.
990
991         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
992         (vect_update_inits_of_drs):
993         (vect_do_peeling_for_alignment):
994         (vect_transform_loop):
995         (vect_analyze_operations):
996         (vect_analyze_scalar_cycles):
997         (vect_analyze_data_ref_dependences):
998         (vect_analyze_data_refs_alignment):
999         (vect_analyze_data_ref_accesses):
1000         (vect_analyze_data_refs):
1001         (vect_mark_stmts_to_be_vectorized):
1002         (vect_get_loop_niters):
1003         (vect_analyze_loop_form):
1004         (vect_analyze_loop): Likewise. 
1005         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1006
1007 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1008
1009         PR bootstrap/19796
1010         Revert:
1011         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1012         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1013         either -ffast-math or -funsafe-math-optimizations is in use.
1014
1015         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1016         * config/mips/irix-csr.c: New file.
1017         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1018         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1019         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1020         executables.
1021
1022 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1023
1024         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1025         redundant, incorrect definitions.
1026
1027         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1028         expand.
1029         ("*tls_indirect_call"): New, reference hard regs directly.
1030         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1031
1032 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1033
1034         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC): 
1035         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1036
1037 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1038
1039         PR rtl-optimization/19800
1040         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1041         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1042         gen_lowpart.
1043
1044 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1045
1046         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1047
1048 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1049
1050         PR other/17135
1051         * doc/invoke.texi: Correct documentation of -freorder-functions.
1052
1053 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1054
1055         PR other/14402
1056         * doc/invoke.texi: Don't mention gccbug.
1057
1058 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1059             Andrew Pinski  <pinskia@physics.uc.edu>
1060             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1061
1062         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1063         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1064         into just (zero_extract:SI FOO (const_int 1) BAR).
1065
1066 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1067
1068         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1069         macro locally.  Don't give last revision date.  Use GCC version
1070         number from gcc-common.texi.
1071         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1072         revision date.  Use GCC version number from gcc-common.texi.
1073         Describe being a library as current state rather than as 3.x
1074         history.
1075         * doc/gcc.texi: Remove last update date.
1076         * doc/gccint.texi: Likewise.  Update copyright dates.
1077         * doc/install.texi: Update copyright dates.
1078
1079 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1080
1081         PR other/7549
1082         * doc/invoke.texi: Mention for each option included in -Wall that
1083         it is included in -Wall.
1084         * doc/gcc.texi: Update copyright and last modification date.
1085
1086 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1087
1088         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1089         unnecessary cast to original induction variable increments.
1090
1091 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1092
1093         PR tree-optimization/18219
1094         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1095         in distributed form.
1096
1097 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1098
1099         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1100         Set bitpos and offset later in the function.  Do nothing if the
1101         target is a register and if the bitfield lies completely outside
1102         that register.
1103         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1104         here.  Return an uninitialised register if the source value is stored
1105         in a register and the bitfield lies completely outside that register.
1106
1107 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1108
1109         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1110         not SET_DEST.
1111
1112 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1113
1114         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1115
1116 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1117
1118         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1119         * config/darwin8.h: New.
1120         * config/darwin7.h: Update comment.
1121
1122 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1123             Dorit Naishlos  <dorit@il.ibm.com>
1124
1125         * tree-vectorizer.h (LOC): New type.
1126         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1127         (loop_line_number): New field in struct _loop_vec_info.
1128         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1129
1130         * tree-vectorizer.c (input.h): Included.
1131         (find_loop_location): New function.
1132         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1133         loop line number removed.
1134         (vect_debug_details): Likewise.
1135         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1136
1137         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1138         call to vect_debug_details/stats changed from loop to loop_loc.
1139         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1140         (slpeel_tree_peel_loop_to_edge): Likewise.
1141
1142         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1143         changed from NULL to UNKNOWN_LOC.
1144         (vect_get_base_and_offset):
1145         (vect_create_addr_base_for_vector_ref):
1146         (get_vectype_for_scalar_type):
1147         (vect_create_data_ref_ptr):
1148         (vect_init_vector):
1149         (vect_get_vec_def_for_operand):
1150         (vect_finish_stmt_generation):
1151         (vectorizable_assignment):
1152         (vectorizable_operation):
1153         (vectorizable_store):
1154         (vectorizable_load):
1155         (vect_transform_stmt):
1156         (vect_update_ivs_after_vectorizer):
1157         (vect_do_peeling_for_loop_bound):
1158         (vect_do_peeling_for_alignment):
1159         (vect_transform_loop):
1160         (vect_is_simple_use):
1161         (vect_analyze_operations):
1162         (vect_is_simple_iv_evolution):
1163         (vect_analyze_scalar_cycles):
1164         (vect_analyze_data_ref_dependences):
1165         (vect_compute_data_ref_alignment):
1166         (vect_enhance_data_refs_alignment):
1167         (vect_analyze_data_ref_access):
1168         (vect_analyze_data_ref_accesses):
1169         (vect_analyze_pointer_ref_access):
1170         (vect_get_memtag_and_dr):
1171         (vect_analyze_data_refs):
1172         (vect_mark_relevant):
1173         (vect_stmt_relevant_p):
1174         (vect_mark_stmts_to_be_vectorized):
1175         (vect_can_advance_ivs_p):
1176         (vect_get_loop_niters):
1177         (vect_analyze_loop):
1178         (vectorize_loops): Likewise.
1179
1180         (vectorizable_load): Argument in call to vect_debug_details/stats
1181         changed from loop to LOOP_LOC (loop_vinfo).
1182         (vect_transform_loop):
1183         (vect_analyze_operations):
1184         (vect_analyze_scalar_cycles):
1185         (vect_analyze_data_ref_dependence):
1186         (vect_enhance_data_refs_alignment):
1187         (vect_analyze_data_ref_accesses):
1188         (vect_analyze_pointer_ref_access):
1189         (vect_analyze_data_refs):
1190         (vect_analyze_loop): Likewise.
1191
1192         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1193         changed from loop to loop_loc.
1194
1195         (vect_enhance_data_refs_alignment): Removed unused variable loop.       
1196
1197 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1198             Dorit Naishlos  <dorit@il.ibm.com>
1199
1200         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1201         declaration added.
1202         (vect_analyze_data_ref_dependences): Likewise.
1203
1204         (vect_is_simple_use): Argument changed from loop structure to
1205         loop_vect_info structure.
1206         (vect_can_advance_ivs_p): Likewise.
1207         (vect_create_index_for_vector_ref): Likewise.
1208         (vect_update_ivs_after_vectorizer): Likewise.
1209         (new_stmt_vec_info): Likewise.
1210         
1211         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1212         changed from loop to loop_vinfo.
1213         (vect_create_data_ref_ptr): First argument in call to
1214         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1215         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1216         was changed from loop to loop_vinfo.
1217         (vectorizable_operation): Likewise.
1218         (vectorizable_store): Likewise.
1219         (vect_mark_stmts_to_be_vectorized): Likewise.
1220         (vect_do_peeling_for_loop_bound): First argument in call to
1221         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1222         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1223         was changed from loop to loop_vinfo.
1224         (vect_analyze_data_ref_dependences): Third argument in call to
1225         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1226         
1227         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1228         (vect_create_data_ref_ptr): Likewise.
1229         (vect_init_vector): Likewise.
1230         (vect_get_vec_def_for_operand): Likewise.
1231         (vectorizable_assignment): Likewise.
1232         (vectorizable_operation): Likewise.
1233         (vectorizable_store): Likewise.
1234         (vectorizable_load): Likewise.
1235         (vect_update_ivs_after_vectorizer): Likewise.
1236         (vect_is_simple_use): Likewise.
1237         (vect_analyze_data_ref_dependence): Likewise.
1238         (vect_analyze_pointer_ref_access): Likewise.
1239         (vect_can_advance_ivs_p): Likewise.
1240
1241         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1242         before _stmt_vec_info.
1243         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1244         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1245         (new_stmt_vec_info): Argument changed from loop structure to
1246         loop_vect_info structure
1247
1248         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1249         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1250         (vect_create_addr_base_for_vector_ref): Likewise.
1251         (vect_analyze_pointer_ref_access): Likewise.
1252
1253 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1254
1255         PR tree-opt/19768
1256         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1257         phi flag if the phi is abnormal.
1258
1259 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1260
1261         PR tree-opt/19736
1262         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1263         information for the new statement.
1264
1265 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1266
1267         PR driver/19117
1268         * gcc.c (main): Include the target in -v output.
1269
1270 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1271
1272         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1273         Do not drop the extend if we'd have to add a paradoxical subreg
1274         later.  Include optabs.h and insn-codes.h.
1275         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1276
1277 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1278
1279         PR middle-end/19405
1280         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1281         * fold-const.c (const_binop): Avoid constant folding floating
1282         point operations in modes that use composite representations.
1283         * simplify-rtx.c (simplify_binary_operation): Likewise.
1284
1285 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1286
1287         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1288         a REG, not a MEM.
1289         (altivec_dstt): Likewise.
1290         (altivec_dstst): Likewise.
1291         (altivec_dststt): Likewise.
1292         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1293         of first operand.
1294
1295 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1296
1297         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1298         EXPR_LOCUS from orig_cond to the new cond_stmt.
1299         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1300         the new vec_stmt.
1301
1302 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1303
1304         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1305         standard_iv_increment_position. Remove call to bsi_next 
1306         (no need to bump the iterator anymore).
1307         (vect_create_index_for_vector_ref): Call
1308         standard_iv_increment_position. Remove second function argument.
1309         (vect_finish_stmt_generation): Remove call to bsi_next 
1310         (no need to bump the iterator anymore).
1311         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1312         to vect_create_index_for_vector_ref.
1313
1314 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1315
1316         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1317         phis are used out of the loop.
1318
1319 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1320
1321         PR c/17807
1322         * c-decl.c (undef_nested_function): New variable.
1323         (pop_scope): Diagnose undefined nested functions.
1324         (finish_function): Don't attempt cgraph processing or genericizing
1325         if current top-level function contained an undefined nested
1326         function.  Reset undef_nested_function at the end of a top-level
1327         function.
1328
1329 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1330
1331         * tree.c (build_int_cst_type): Take sign of the value into account
1332         when deciding whether sign extend the value.
1333
1334 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1335
1336         PR c/18502
1337         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1338         (cpp_options, cc1_options): Change %{std*&ansi} to
1339         %{std*&ansi&trigraphs}.
1340
1341 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1342
1343         * cse.c: Update comments.
1344
1345 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1346
1347         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1348         arguments go on the stack.  Do not put complex doubles in odd/even
1349         pairs.
1350
1351 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1352
1353         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1354         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1355         -ftree-pre, and -fthread-jumps.
1356
1357 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1358
1359         PR tree-optimization/19578
1360         * tree-flow.h (modified_noreturn_calls): Declare.
1361         (noreturn_call_p): Declare.
1362         * tree-flow-inline.h (noreturn_call_p): New function.
1363         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1364         * tree-cfg.c (modified_noreturn_calls): New variable.
1365         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1366         that contain a mid-block noreturn call.
1367         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1368
1369 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1370
1371         * df.c (df_def_record_1, df_uses_record): Don't use
1372         DF_FOR_REGALLOC.
1373         * df.h (DF_FOR_REGALLOC): Remove.
1374
1375 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1376
1377         PR c/19435
1378         * c-typeck.c (really_start_incremental_init): Reset
1379         constructor_max_index for arrays of incomplete type.
1380
1381 2005-02-02  Jeff Law  <law@redhat.com>
1382
1383         * gcse.c (struct reg_set): Store the block index where the register
1384         was set rather than the setting insn.
1385         (record_one_set, compute_transp): Corresponding changes.
1386         (pre_insert_copy_insn): Do not call replace_one_set.
1387         (replace_one_set): Remove.
1388
1389 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1390
1391         PR other/15514
1392         * doc/gcov.texi: Fix typo.
1393
1394 2005-02-01  Richard Henderson  <rth@redhat.com
1395
1396         PR target/19680
1397         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1398         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1399         type to bool.
1400         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1401         * config/i386/i386-protos.h: Update.
1402
1403 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1404
1405         PR tree-optimization/19217
1406         * tree-cfg.c (verify_expr): Use the data field to see if TP was
1407         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
1408         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1409         that it is walking a PHI node.
1410
1411 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
1412
1413         * doc/extend.texi (Nested Functions): Update.
1414
1415 2005-02-01  Richard Henderson  <rth@redhat.com>
1416
1417         PR 19696
1418         * optabs.c (expand_copysign_absneg): Export.
1419         * optabs.h (expand_copysign_absneg): Declare.
1420         * config/rs6000/rs6000.md (copysigntf3): New.
1421
1422 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1423
1424         PR tree-optimization/19633
1425         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1426         * tree-ssa-alias.c (init_alias_info): Initialize.
1427         (merge_pointed_to_info): Set.
1428         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1429         (dump_points_to_info_for): Show value of pt_null.
1430         (struct count_ptr_d): Declare.
1431         (find_ptr_dereference): Remove.
1432         (ptr_is_dereferenced_by): Remove.
1433         (count_ptr_derefs): New local function.
1434         (count_uses_and_derefs): New local function.
1435         (compute_points_to_and_addr_escape): Call it.  If the number
1436         of dereferences is greater than zero, mark the pointer as
1437         dereferenced.  If there are fewer dereferences than uses of
1438         the pointer, the pointer's value escapes.
1439
1440 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1441
1442         PR tree-optimization/19670
1443         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1444         here...
1445         (verify_use): ... set it here, instead.
1446
1447 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
1448
1449         * doc/sourcebuild.texi (Test directives): Fix formatting.
1450
1451         * doc/sourcebuild.texi (Test directives): Describe selector
1452         expressions.
1453
1454 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
1455
1456         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1457         specific 64-bit CPUs.
1458
1459 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
1460
1461         PR target/16201
1462         * arm.c (arm_eliminable_register): New function.
1463         (adjacent_mem_locations): Don't allow eliminable registers.  Use
1464         HOST_WIDE_INT for address offsets.
1465         * arm-protos.h (arm_eliminable_register): Add prototype.
1466
1467 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1468
1469         PR optimization/15242
1470         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
1471         * basic-block.h (duplicate_computed_gotos): Add prototype.
1472         * bb-reorder.c (duplicate_computed_gotos): New function to
1473         duplicate sufficiently small blocks ending in a computed jump.
1474         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
1475         if not optimizing for size.
1476         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
1477         never do tail merging for blocks ending in a computed jump.
1478         * doc/invoke.texi: Document the max-goto-duplication-insns param.
1479
1480 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1481
1482         Patch from Richard Sandiford <rsandifo@redhat.com>
1483         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
1484         from inheriting a subreg equivalence with a non-spill register.
1485
1486         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
1487
1488 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
1489
1490         * config/frv/frv.c (movcc_fp_destination_operand): New.
1491         (gpr_or_memory_operand): Fix typo in comment.
1492         (gpr_or_memory_operand_with_scratch): New.
1493         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
1494         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
1495         movcc_fp_destination_operand.
1496         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
1497         Legitimize memory addresses using a scratch register.
1498
1499 2005-01-31  Jeff Law  <law@redhat.com>
1500
1501         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
1502         bitmap a sparse bitmap instead of a simple bitmap.
1503         (mark_def_sites_initialize_block):  Corresponding changes.
1504         (ssa_mark_def_sites_initialize_block): Likewise.
1505         (ssa_mark_phi_uses): Likewise.
1506         (mark_def_site, ssa_mark_def_sites): Likewise.
1507         (mark_def_site_blocks): Likewise.
1508         (rewrite_ssa_into_ssa): Likewise.
1509
1510         * tree-ssa-dom.c (record_cond): Pass correct variable type
1511         for last argument to htab_find_slot_with_hash.
1512
1513         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
1514         effects when optimizing 0 % X.  Do not try to optimize X % 0.
1515
1516 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
1517
1518         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
1519         1_mmalua.
1520
1521 2005-02-01  Eric Christopher  <echristo@redhat.com>
1522
1523         * config/mips/mips.c (override_options): Warn if -mint64
1524         is used.
1525         * doc/invoke.texi (MIPS Options): Document that -mint64 is
1526         deprecated.
1527
1528 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
1529
1530         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
1531         timestamp.
1532         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
1533         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
1534         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
1535         (cached_regno): Initialize to INVALID_REGNUM.
1536         (cse_reg_info_table_size,
1537         cse_reg_info_table_first_uninitialized,
1538         cse_reg_info_timestamp): New.
1539         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
1540         get_cse_reg_info.
1541         (init_cse_reg_info, get_cse_reg_info_1): New.
1542         (get_cse_reg_info): Cache the last look-up.
1543         (new_basic_block): Update the code to clear mappings from
1544         registers to cse_reg_info entries.
1545         (cse_main): Call init_cse_reg_info.
1546
1547         * cse.c (get_cse_reg_info): Update a comment.
1548
1549 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1550
1551         PR c/19333
1552         * c-decl.c (start_decl): Do not warn about arrays of elements with
1553         an incomplete type here.
1554         (grokdeclarator): Do it here by making a pedwarn an error.
1555         * c-typeck.c (push_init_level): If there were previous errors with
1556         the constructor type, do not warn about braces for initializers.
1557         (process_init_element): Likewise for excess initializer elements.
1558
1559 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
1560
1561         * cse.c (delete_trivially_dead_insn): Don't iterate.
1562
1563 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
1564
1565         * config/rs6000/rs6000.md (copysignsf3): New expand.
1566         (copysigndf3): Likewise.
1567
1568 2005-01-31  Steven Bosscher  <stevenb@suse.de>
1569
1570         * recog.c (constrain_operands): Only look for earlyclobber operand
1571         conflicts if an '&' constraint was seen.
1572
1573 2005-01-31  Marc Espie <espie@openbsd.org>
1574
1575         * config.gcc: Don't include embedded systems fragment, switches default
1576         debugging format to ELF.
1577         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no 
1578         longer pick it up there.
1579
1580 2005-01-31  Dale Johannesen  <dalej@apple.com>
1581         
1582         * doc/extend.texi (nested functions): Fix linkage description.
1583         Clarify that static is not allowed.
1584
1585 2005-01-31  Dale Johannesen  <dalej@apple.com>
1586         
1587         * config/rs6000/darwin.md (movsf_low_di):  Make work.
1588         (movdf_low_di):  Make work.
1589
1590 2005-01-31  Dale Johannesen  <dalej@apple.com>
1591
1592         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
1593         Make work for 64 bit.
1594
1595 2005-01-31  Roger Sayle  <roger@eyesopen.com>
1596             Dale Johannesen  <dalej@apple.com>
1597
1598         PR middle-end/19650
1599         * fold-const.c (fold_binary_op_with_conditional_arg):
1600         Make types match original operands, before STRIP_NOPS.
1601
1602 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
1603
1604         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
1605         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
1606         (struct gcc_sigcontext): Delete.  Merge contents to..
1607         (struct gcc_ucontext): ..here.
1608         (get_sigcontext): Delete.
1609         (get_regs): New function, like get_sigcontext but return regs ptr.
1610         64-bit version finds regs from r1 to support vdso.
1611         (ppc_linux_aux_vector): New function.
1612         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
1613         and vector regs.
1614
1615 2005-01-31  Ira Rosen  <irar@il.ibm.com>
1616
1617         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
1618         sizetype.
1619         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
1620         redundant fold. Fix misalignment for MINUS_EXPR.
1621         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
1622         (vect_analyze_pointer_ref_access): Likewise.
1623         (vect_get_memtag_and_dr): Likewise.
1624
1625 2005-01-31  Richard Henderson  <rth@redhat.com>
1626
1627         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
1628         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
1629         absnegdf2_i387, absnegxf2_i387): Likewise.
1630
1631 2005-01-31  Richard Henderson  <rth@redhat.com>
1632
1633         PR 19696
1634         * optabs.c (expand_copysign_absneg): New.
1635         (expand_copysign_bit): Split out from ...
1636         (expand_copysign): ... here.  Use expand_copysign_absneg.
1637
1638 2005-01-30  Roger Sayle  <roger@eyesopen.com>
1639
1640         PR middle-end/19697
1641         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
1642         constant as the second operand and a register as the third.
1643
1644 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
1645
1646         PR target/19704
1647         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
1648         that dllimport'd functions do not use all call-clobbered registers
1649         to pass parameters.
1650
1651 2005-01-30  Richard Henderson  <rth@redhat.com>
1652
1653         PR 19696
1654         * optabs.c (expand_absneg_bit): Split out from expand_unop and
1655         expand_abs_nojump and generalize.  Use operand_subword and
1656         emit_no_conflict_block.  Support large modes.
1657         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
1658         back to maximum.
1659         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
1660         negation to subtraction.
1661         (expand_copysign): Check that the format has signed zeros.
1662         Use operand_subword and emit_no_conflict_block.  Support large modes.
1663
1664 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
1665
1666         Fix PR tree-optimization/19624
1667         
1668         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
1669         * tree-ssa-pre.c: Add cfgloop.h.
1670         Update comment.
1671         (pre_stats): New member, constified.
1672         (inserted_exprs): New static variable.
1673         (NECESSARY): New macro.
1674         (create_expression_by_pieces): Fold the expression, and
1675         mark it as defaulting to not necessary. Also put in
1676         inserted_exprs.
1677         (fully_constant_expression): New function.
1678         (insert_into_preds_of_block): Modify to not insert phis when we
1679         are playing with induction variables.
1680         Push phis onto the inserted_exprs vector, and mark them as not
1681         necessary by default.
1682         (insert_aux): Call fully_constant_expression on eprime.
1683         If all edges produce the same value, mark it constant.
1684         (mark_operand_necessary): New function.
1685         (remove_dead_inserted_code): New function.
1686         (init_pre): Init loop optimizer to get loop info.
1687         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
1688         (execute_pre): Commit edge inserts, then remove dead code.
1689
1690 2005-01-30  Richard Henderson  <rth@redhat.com>
1691
1692         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
1693         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
1694
1695 2005-01-30  Richard Henderson  <rth@redhat.com>
1696
1697         PR target/19700
1698         * config/i386/i386.c (ix86_expand_copysign): New.
1699         (ix86_split_copysign_const): New.
1700         (ix86_split_copysign_var): Rename from ix86_split_copysign, 
1701         rearrange op1/nmask operands.
1702         * config/i386/i386-protos.h: Update.
1703         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
1704         (copysigndf3): Likewise.
1705         (copysignsf3_const, copysigndf3_const): New.
1706         (copysignsf3_var): Rename from copysignsf3, split out splitter
1707         and fix split predicate for X constraint.
1708         (copysigndf3_var): Similarly.
1709
1710 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
1711
1712         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
1713         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
1714         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
1715
1716 2005-01-29  Richard Henderson  <rth@redhat.com>
1717
1718         PR target/19690
1719         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
1720         of # and * in constraints.
1721
1722 2005-01-29  Richard Henderson  <rth@redhat.com>
1723
1724         PR middle-end/19689
1725         * expr.c (store_field): Don't strip sub-mode cast when the input
1726         data is even smaller.
1727
1728 2005-01-29  Richard Henderson  <rth@redhat.com>
1729
1730         PR middle-end/19687
1731         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
1732         union being empty.
1733
1734 2005-01-29  Richard Henderson  <rth@redhat.com>
1735
1736         * combine.c (make_field_assignment): Fix argument order
1737         to gen_int_mode.
1738
1739 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
1740
1741         PR tree-optimization/15791
1742         * fold-const.c (extract_array_ref): New function.
1743         (fold): Fold comparisons between &a[i] and &a[j] or
1744         semantically equivalent trees.
1745
1746 2005-01-29  Jeff Law  <law@redhat.com>
1747
1748         * gcse.c (insert_expr_in_table): Revamp handling of available
1749         and anticipatable occurrence lists to avoid unnecessary list
1750         walking.
1751         (insert_set_in_table): Similarly.
1752
1753 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
1754
1755         * c-common.c (fix_string_type): Just use c_build_qualified_type to
1756         build string type.
1757         (c_build_qualified_type): Build qualified array types with
1758         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
1759         * c-decl.c (c_make_fname_decl): Build unqualified array type
1760         before qualified type.
1761         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
1762         type is qualified, not just if type itself is.  Don't apply
1763         qualifiers to array type when declarator is processed.  Apply
1764         qualifiers to field type whether or not it is an array type.
1765         Don't handle array types specially for applying qualifiers to
1766         variables.
1767         * c-typeck.c (composite_type): Build unqualified element type and
1768         array type when forming composite of array types.
1769         (common_pointer_type, comptypes, comp_target_types,
1770         type_lists_compatible_p, build_indirect_ref, build_array_ref,
1771         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
1772         types.
1773         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
1774         (args2) in variables a1 and a2.
1775
1776 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
1777
1778         * cse.c (n_elements_made, max_elements_made): Remove.
1779         (insert): Don't touch n_elements_made.
1780         (cse_main): Don't touch n_elements_made or max_elements_made.
1781
1782 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
1783
1784         PR target/15384
1785         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
1786         configuration part of dp-bit.c to be lost.
1787
1788 2005-01-28  Roger Sayle  <roger@eyesopen.com>
1789
1790         * expmed.c (expand_mult_highpart_optab): When attempting to use
1791         a non-widening multiplication in a wider mode, the operands need
1792         to be converted (zero or sign extended) to that mode.
1793
1794 2005-01-28  Ian Lance Taylor  <ian@airs.com>
1795
1796         PR middle-end/16558
1797         PR middle-end/19583
1798         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
1799         through if both operands fall through.
1800
1801 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
1802
1803         * cse.c (fold_rtx) <PC>: Don't optimize.
1804
1805 2005-01-28  Jeff Law  <law@redhat.com>
1806
1807         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
1808         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
1809
1810 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
1811
1812         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
1813         cse_reg_info_used_list_end): Remove.
1814         (cse_reg_info_list, cse_reg_info_list_free): New.
1815         (get_cse_reg_info): When allocating an instance of
1816         cse_reg_info, add it to the beginning of the cse_reg_info_list
1817         list.  Remove code to maintain cse_reg_info_used_list.
1818         (new_basic_block): Reset the free list to the beginning of
1819         cse_reg_info_list.
1820
1821 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
1822
1823         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
1824         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
1825         (frv_expand_mdpackh_builtin): New function.
1826         (frv_expand_builtin): Use it to expand __MDPACKH.
1827         * doc/extend.texi (__MDPACKH): Update documentation.
1828
1829 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
1830
1831         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
1832         SSE_FLOAT_MODE_P for use_sse computation.
1833
1834 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
1835
1836         PR target/19663
1837         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
1838
1839 2005-01-27  Richard Henderson  <rth@redhat.com>
1840
1841         * builtins.c (expand_builtin_copysign): New.
1842         (expand_builtin): Call it.
1843         * genopinit.c (optabs): Add copysign_optab.
1844         * optabs.c (init_optabs): Initialize it.
1845         (expand_copysign): New.
1846         * optabs.h (OTI_copysign, copysign_optab): New.
1847         (expand_copysign): Declare.
1848
1849         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
1850         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
1851
1852         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
1853         (ix86_expand_fp_absneg_operator): ... here.
1854         (ix86_split_copysign): New.
1855         * config/i386/i386-protos.h: Update.
1856         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
1857         (copysignsf3, copysigndf3): New.
1858
1859         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
1860         (copysignsf3, ncopysignsf3): New.
1861         (copysigndf3, ncopysigndf3): New.
1862         (copysignxf3, ncopysignxf3): New.
1863         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
1864
1865 2005-01-27  Arend Bayer  <arend.bayer@web.de>
1866             Kazu Hirata  <kazu@cs.umass.edu>
1867
1868         * cse.c: (find_best_addr): Don't call copy_rtx before calling
1869         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
1870         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
1871         NULL_RTX.
1872
1873 2005-01-27  Jeff Law  <law@redhat.com>
1874
1875         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
1876         definitions of SSA_NAMEs which are not being rewritten.
1877         (rewrite_ssa_into_ssa): Only initialize the current definition
1878         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
1879         If checking is enabled, assert that SSA_NAME_AUX is clear for all
1880         SSA_NAMEs before returning.
1881
1882 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
1883
1884         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
1885         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
1886         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
1887         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
1888         config/mips/iris6.h, config/sh/sh.c: Update copyright.
1889
1890 2005-01-27  Steven Bosscher  <stevenb@suse.de>
1891
1892         PR middle-end/17278
1893         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
1894         higher to -O2 and higher.  Likewise for tree PRE.
1895         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
1896         and better.
1897
1898 2005-01-27  Ian Lance Taylor  <ian@airs.com>
1899
1900         PR middle-end/19583
1901         * gimple-low.c (try_catch_may_fallthru): New static function.
1902         (block_may_fallthru): Handle TRY_CATCH_EXPR.
1903         * tree-inline.c (expand_call_inline): Don't warn about reaching
1904         the end of a non-void function being inlined if the function uses
1905         a return slot.
1906
1907 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
1908
1909         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
1910
1911         PR c/18946
1912         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
1913         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
1914         (implicitly_declare): Handle error_mark_node.
1915
1916 2005-01-27  Richard Henderson  <rth@redhat.com>
1917
1918         PR tree-opt/14329
1919         * tree.h (struct tree_decl): Add debug_expr_is_from.
1920         (DECL_DEBUG_EXPR_IS_FROM): New.
1921         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
1922         * dwarf2out.c (dwarf2out_var_location): Update to match.
1923         * tree-outof-ssa.c (create_temp): Likewise.
1924         * var-tracking.c (track_expr_p): Likewise.
1925         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
1926         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
1927         * toplev.c (default_tree_printer): Likewise.
1928
1929 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
1930
1931         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
1932         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
1933
1934 2005-01-27  Steven Bosscher  <stevenb@suse.de>
1935
1936         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
1937         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
1938         ASM_CLOBBERS): Add tree checks.
1939
1940         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
1941         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
1942         * c-common.def (SWITCH_STMT): Update to match.
1943         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
1944         macros instead of SWITCH_EXPR ones.
1945         * c-dump.c (c_dump_tree): Likewise.
1946         * c-gimplify.c (gimplify_switch_stmt): Likewise.
1947         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
1948
1949         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
1950
1951 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
1952
1953         * unwind-dw2.c (execute_stack_op): Add missing cases for
1954         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
1955
1956 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
1957
1958         * config.gcc (Obsolete configurations): Remove 'dummy', add
1959         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
1960         sparc-*-openbsd*.
1961
1962 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
1963
1964         PR tree-optimization/19633
1965         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
1966         CALL_EXPRs.
1967         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
1968         are no call-clobbered variables.
1969         * tree-outof-ssa.c (check_replaceable): Return false for calls
1970         with side-effects.
1971
1972 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
1973
1974         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
1975         even for variables with NULL DECL_INITIAL.
1976
1977 2005-01-26  Stuart Hastings  <stuart@apple.com>
1978
1979         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
1980
1981 2005-01-26  Richard Henderson  <rth@redhat.com>
1982
1983         PR middle-end/18008
1984         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
1985         field's type.
1986         * expr.c (store_field): Strip conversions to odd-bit-sized types
1987         if the destination field width matches.
1988
1989 2005-01-26  Richard Henderson  <rth@redhat.com>
1990
1991         * c-decl.c, expmed.c, expr.c: Revert last change.
1992
1993 2005-01-26  Richard Henderson  <rth@redhat.com>
1994
1995         PR middle-end/18008
1996         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
1997         field's type.
1998         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
1999         if we don't need the bits above those present in the current mode.
2000         * expr.c (store_field): Strip conversions to odd-bit-sized types
2001         if the destination field width matches.
2002
2003 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2004
2005         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2006         either -ffast-math or -funsafe-math-optimizations is in use.
2007
2008 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2009
2010         PR target/19293
2011         PR target/19329
2012         * config/avr/avr.c (notice_update_cc): Only set condition code for
2013         ashrqi3 if shift count > 0.
2014         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2015         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2016         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2017         count <= 0 as a no-op, and shift count >= width by copying zero
2018         or sign bit to all bits of the result.
2019         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2020         count, with attribute "length" set to 0 and "cc" set to "none".
2021
2022 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2023
2024         * doc/invoke.texi: Document -mTLS.
2025
2026         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2027         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2028         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2029         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2030         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2031         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2032         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2033         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2034
2035         * configure.ac: Check for a TLS capable gas.
2036
2037         * configure: Regenerate.
2038
2039 2005-01-26  Richard Henderson  <rth@redhat.com>
2040
2041         PR middle-end/18008
2042         * combine.c (make_field_assignment): Simplify store to zero_extract
2043         from a source with an overlapping mask.
2044
2045 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2046
2047         2004-11-11  Eric Christopher  <echristo@redhat.com>
2048
2049         * config/frv/frv.md: Add fr400_integer automaton. Don't
2050         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2051         to TYPE_MACC.
2052
2053 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2054
2055         PR middle-end/16585
2056         * cfgbuild.c (make_edges): Do not clear or set
2057         current_function_has_computed_jump.
2058         * function.h (struct function): Remove the has_computed_jump field.
2059         (current_function_has_computed_jump): Do not define.
2060         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2061         in a computed jump.  Ignore current_function_has_computed_jump.
2062
2063 2005-01-26  Richard Henderson  <rth@redhat.com>
2064
2065         PR middle-end/19515
2066         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2067         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2068         fully initialized.
2069         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2070         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2071         objects into static storage if they have more than one non-zero value.
2072         * tree.h (categorize_ctor_elements): Update decl.
2073
2074 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2075
2076         PR middle-end/19616     
2077         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2078         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2079         to this function from 2004-07-10.
2080         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2081         the current function for tail call optimizations if the address
2082         of one of it its arguments is taken.
2083
2084 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2085
2086         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2087
2088 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2089
2090         * function.c (expand_function_end): If current_function_calls_alloca,
2091         emit stack restore in a place that is reached when the function falls
2092         through at the end.
2093
2094 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2095
2096         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2097         rule to avoid matching inappropriate suffix rule.
2098
2099 2005-01-26  Jan Hubicka  <jh@suse.cz>
2100
2101         PR tree-optimization/19241
2102         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2103
2104 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2105
2106         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2107         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2108         of doubling.
2109         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2110         <sim*>: Always use crt1.o, regardless of N in simN.
2111         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2112         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2113         (CRT_CALL_STATIC_FUNCTION): Remove.
2114         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2115         use crt1.o, regardless of N in simN.
2116         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2117         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2118         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2119         case isystem setting.
2120         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2121
2122 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2123
2124         * gimple-low.c (block_may_fallthru): Correct handling of
2125         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2126
2127 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2128
2129         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2130         handlers to match indentation; nested under the mtune=* handler.
2131         Similar for mcpu= and march=.
2132
2133 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2134
2135         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2136         * config/mips/linux64.h (LIB_SPEC): Likewise.
2137         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2138         * config/sh/linux.h (LIB_SPEC): Likewise.
2139
2140 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2141
2142         * config/frv/frv.c (frv_legitimize_tls_address): New.
2143         (TARGET_HAVE_TLS): Define.
2144         (FRV_SYMBOL_REF_TLS_P): Define.
2145         (frv_override_options): Handle new register classes.
2146         (frv_legitimate_address_p): Reject tls addresses.
2147         (frv_legitimize_address): Handle TLS addresses.
2148         (gen_inlined_tls_plt): New.
2149         (gen_tlsmoff): New.
2150         (frv_legitimize_tls_address): New.
2151         (unspec_got_name): Add TLS entries.
2152         (got12_operand): Add R_FRV_TLSMOFF12 case.
2153         (frv_emit_move): Fixup TLS addresses.
2154         (frv_emit_movsi): Legitimize TLS addresses.
2155
2156         * config/frv/frv.h (MASK_BIG_TLS): New.
2157         (TARGET_BIG_TLS): New.
2158         (HAVE_AS_TLS): Define.
2159         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2160         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2161         (REG_CLASS_NAMES): Same.
2162         (REG_CLASS_CONTENTS): Same.
2163         (CONSTRAINT_LEN): New.
2164         (REG_CLASS_FROM_CONSTRAINT): New.
2165         (PREDICATE_CODES): Add symbolic_operand.
2166
2167         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2168         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2169         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2170         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2171         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2172         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2173         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2174         GR9_REG, GR14_REG, LRREG.
2175         (type): Add load_or_call attribute.
2176         ("load_or_call"): New reservation.
2177         ("call_gettlsoff"): New.
2178         ("tls_indirect_call"): New.
2179         ("tls_load_gottlsoff12"): New.
2180         ("tlsoff_hilo"): New.
2181         ("tls_tlsdesc_ldd"): New.
2182         ("tls_tlsoff_ld"): New.
2183         ("tls_lddi"): New.
2184
2185         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2186
2187         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2188
2189         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2190         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2191         * config/frv/frv.c (TLS_BIAS): Define.
2192         (frv_output_dwarf_dtprel): New.
2193
2194 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2195
2196         PR rtl-optimization/19579
2197         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2198         both A and B, see if they don't clobber registers the other expr uses.
2199
2200 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2201
2202         * real.c (do_add): Initialize signalling and canonical members.
2203
2204         * real.c (real_from_integer): Zero out destination.
2205
2206 2005-01-18  Jan Hubicka  <jh@suse.cz>
2207
2208         PR tree-optimize/19337
2209         * tree-inline.c (initialize_inlined_parameters): Copy
2210         saved_static_chain_decl only.
2211
2212 2005-01-25  Richard Henderson  <rth@redhat.com>
2213
2214         PR target/19556
2215         PR target/19584
2216         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2217         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2218         80387 enabled, to return a proper subclass.  Return the subset that
2219         overlaps with GENERAL_REGS for PLUS.
2220         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2221
2222 2005-01-25  Richard Henderson  <rth@redhat.com>
2223
2224         PR middle-end/19609
2225         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2226
2227 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2228
2229         * expmed.c (choose_multiplier): Change interface to return the
2230         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2231         (expand_divmod): Update calls to choose_multiplier.
2232
2233 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2234
2235         PR middle-end/19330
2236         * expmed.c (extract_bit_field): Use adjust_address instead of
2237         gen_lowpart when op0 is a MEM.
2238
2239 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2240
2241         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2242
2243 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2244
2245         * config/mips/irix-csr.c: New file.
2246         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2247         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2248         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2249         executables.
2250
2251 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2252
2253         PR bootstrap/19364
2254         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2255         sparc/elf.h, add sparc/sp-elf.h.
2256         (sparc-*-rtems*): Likewise.
2257         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2258         tm-dwarf2.h, add sparc/sp-elf.h.
2259         (sparc86x-*-elf): Likewise.
2260         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2261         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2262         TARGET_OS_CPP_BUILTINS.
2263         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2264         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2265         Undefine it.
2266         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2267         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2268         (SWITCH_TAKES_ARG): Likewise.
2269         (LOCAL_LABEL_PREFIX): Likewise.
2270         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2271         (TARGET_N_FORMAT_TYPES): Delete.
2272         (TARGET_FORMAT_TYPES): Likewise.
2273         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2274         * config/sparc/elf.h: Delete.
2275         * config/sparc/sp-elf.h: New file.
2276
2277 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2278
2279         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2280         * tree-flow.h: Remove the corresponding prototype.
2281         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2282         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2283
2284 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2285
2286         PR target/17751
2287         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2288         for AIX ABI or ELF -fPIC.
2289         (rs6000_emit_load_toc_table): Don't create toc_section here.
2290         (rs6000_xcoff_file_start): Nor here.
2291
2292 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2293
2294         * sh.c (ra.h): Don't #include.
2295         (hard_regs_intersect_p): New function, resurrected from ra.c.
2296
2297         * sh.c: Fix 1996 Copyright.
2298
2299 2005-01-24  Richard Henderson  <rth@redhat.com>
2300             Aldy Hernandez  <aldyh@redhat.com>
2301
2302         * regrename.c (note_sets): Handle subregs.
2303
2304 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2305
2306         PR bootstrap/18058
2307         * genconditions.c (write_header, write_conditions): Elide file if
2308         not GCC >= 3.0.1.
2309
2310 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2311
2312         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2313         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2314         Update copyright.
2315
2316 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2317
2318         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2319         expand_builtin_printf, expand_builtin_fprintf,
2320         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2321         checking against POINTER_TYPE.
2322         (validate_arglist): Handle POINTER_TYPE code by checking
2323         POINTER_TYPE_P.
2324
2325 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2326
2327         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2328         init_rtlanal): New.
2329         (for_each_rtx): Call for_each_rtx_1.
2330         * rtl.h (init_rtlanal): Declare.
2331         * toplev.c (backend_init): Call init_rtlanal.
2332
2333 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2334
2335         * flow.c (propagate_one_insn): Formatting.
2336
2337         PR middle-end/19551
2338         * flow.c (libcall_dead_p): Be more conservative if unsure.
2339         If there are any instructions between insn and call, see if they are
2340         all dead before saying the libcall is dead.
2341
2342 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2343
2344         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2345         operand constraint for operand 0.
2346
2347 2005-01-23  Richard Henderson  <rth@redhat.com>
2348
2349         PR 19486
2350         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2351         edges leading to join block.
2352
2353 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2354
2355         * expmed.c (expand_mult_highpart): Make static.  Change type of
2356         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2357         (expand_divmod): Updates calls to expand_mult_highpart by using
2358         gen_int_mode to pass a CONST_INT rtx.
2359         * rtl.h (expand_mult_highpart): Remove prototype.
2360
2361 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2362
2363         * flow.c (regset_bytes, regset_size): Remove.
2364
2365         * cfganal.c: Fix a reference to Harvey's paper.
2366
2367 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2368
2369         PR rtl-optimization/19464
2370         * tree-optimize.c (init_tree_optimization_passes): Add one more
2371         copyrename pass just before out-of-ssa.
2372
2373 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2374
2375         PR bootstrap/18058
2376         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2377         * ggc-none.c (ggc_free): Define.
2378
2379 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2380
2381         * cse.c (max_reg, max_insn_uid): Remove.
2382         (cse_main): Don't access max_reg or max_insn_uid.
2383
2384         * c-common.c (explicit_flag_signed_bitfields,
2385         lang_statement_code_p, lang_expand_function_end): Remove.
2386         * c-common.h: Remove the corresponding declarations.
2387         * c-opts.c (c_common_handle_option): Remove all write access
2388         to explicit_flag_signed_bitfields.
2389
2390         * cgraph.c (cgraph_varpool_n_nodes): Remove.
2391         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2392         * cgraph.h: Remove the corresponding declaration.
2393
2394         * gcse.c (null_pointer_info): Remove.
2395
2396 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2397             Eric Botcazou  <ebotcazou@libertysurf.fr>
2398
2399         * combine.c (simplify_logical): Only simplify logical expressions
2400         of the form ior(and(x,y),z) by the inverse distributive law if the
2401         result is cheaper than the original.
2402
2403 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2404
2405         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2406         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2407         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2408         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2409         config/freebsd-spec.h, config/arm/arm.h,
2410         config/h8300/h8300.md, config/i386/i386.md,
2411         config/i386/predicates.md, config/i386/sse.md,
2412         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2413         config/vax/vax.md: Fix comment typos.  Follow spelling
2414         conventions.
2415
2416 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2417
2418         * gengtype.c (walk_type): Produce `not equal to' compares for loop
2419         tests, instead of `less than'.
2420
2421 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
2422
2423         * function.c (assign_parm_setup_block): When creating a new stack slot
2424         for a parameter, get its alignment from the parameter's DECL_ALIGN
2425         rather than the type's TYPE_ALIGN.  Make sure that the parameter
2426         is at least word aligned.
2427
2428 2005-01-22  Roger Sayle  <roger@eyesopen.com>
2429
2430         PR middle-end/19378
2431         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2432
2433 2005-01-22  Richard Henderson  <rth@redhat.com>
2434
2435         PR target/19506
2436         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2437         in both compare operands.
2438         (movdfcc_1_sse_max): Likewise.
2439         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
2440         (movdfcc_1_sse): Likewise.
2441         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2442         scratch register as needed.
2443
2444 2005-01-22  Richard Henderson  <rth@redhat.com>
2445
2446         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2447
2448         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2449
2450 2005-01-22  Richard Henderson  <rth@redhat.com>
2451
2452         * genopinit.c (optabs): Use smin/smax for floating point too.
2453         * doc/md.texi: Update to match.  Clarify that floating point
2454         results are undefined for +0/-0 and NaN.
2455         * doc/rtl.texi: Likewise.
2456         * rtl.def (SMIN, SMAX): Likewise
2457         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2458
2459         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2460         leading 's' to the name.
2461         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2462         smaxxf3, sminxf3): Likewise.
2463         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2464         Likewise.
2465
2466 2005-01-22  Paul Brook  <paul@codesourcery.com>
2467
2468         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
2469
2470 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
2471
2472         * config/s390/s390.c (struct processor_costs): New fields 
2473         dlgr, dlr, dr, dsgfr, dsgr.
2474         (z900_cost, z990_cost): Values for new fields.
2475         (s390_rtx_costs): New cases MEM und COMPARE in switch
2476         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
2477         DIV, MOD, UDIV, UMOD.
2478
2479 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2480
2481         * config/s390/s390.md ("doloop_si64"): Reload input value directly
2482         into the register being decremented.
2483         ("doloop_si31", "doloop_di"): Likewise.
2484         ("*doloop_si_long"): Adapt pattern.
2485
2486 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2487
2488         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
2489         access registers.
2490         (CLASS_MAX_NREGS): Likewise.
2491
2492 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
2493
2494         * doc/tree-ssa.texi (Statement Operands): Add example for new
2495         must-def macro. Note deprecation of old operands interface.
2496
2497 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
2498
2499         PR tree-optimization/19484
2500         * tree-cfg.c (remove_fallthru_edge): New function.
2501         (cleanup_control_flow): Remove fallthru edges from calls that are
2502         now known not to return.
2503
2504 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
2505
2506         Fix PR tree-optimization/19038
2507         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
2508         copies with loop variant ones.
2509
2510 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
2511
2512         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
2513         config/alpha/alpha-protos.h, config/alpha/alpha.h,
2514         config/alpha/alpha.md, config/alpha/predicates.md,
2515         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
2516         config/sparc/sol2.h: Update copyright.
2517
2518         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
2519         first label to see if it is a nonlocal label.
2520
2521 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
2522             Andrew Pinski  <pinskia@physics.uc.edu>
2523
2524         PR target/19491
2525         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
2526         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
2527
2528 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2529
2530         * config/rs6000/rtems.h: Update copyright.
2531
2532 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
2533
2534         PR target/19548
2535         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
2536         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
2537         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
2538
2539 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2540
2541         PR c/18809
2542         * c-typeck.c (convert_arguments): Check for error_mark_node.
2543
2544 2005-01-21  Ian Lance Taylor  <ian@airs.com>
2545
2546         PR tree-optimization/13000
2547         * tree-inline.c: Include "tree-flow.h".
2548         (expand_call_inline): If warn_return_type, warn if non-void inline
2549         function falls through.
2550         * tree-cfg.c (execute_warn_function_return): Don't warn about
2551         control reaching end if TREE_NO_WARNING is set.  Set
2552         TREE_NO_WARNING.
2553         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
2554         has been lowered.
2555         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
2556         branch if we don't need one.
2557         * c-typeck.c: Include "tree-flow.h"
2558         (c_finish_bc_stmt): Don't add a goto if the current statement
2559         list doesn't fall through to the current point.
2560
2561 2005-01-21  Roger Sayle  <roger@eyesopen.com>
2562
2563         PR rtl-optimization/576
2564         * real.c (real_arithmetic): Change return type from void to bool
2565         to return an indication that the result may be inexact.
2566         * real.h (real_arithmeric): Update prototype.
2567         * fold-const.c (const_binop):  Don't constant fold floating
2568         point expressions when the user specifies -frounding-math and
2569         the result may depend upon the run-time rounding mode.
2570         (fold_convert_const_real_from_real): Clean-up.
2571         (fold_initializer): Ignore flag_rounding_math for initializers.
2572         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
2573         constant fold FP operations with flag_rounding_math if the
2574         result may depend upon the run-time rounding mode.
2575
2576 2005-01-21  Tom Tromey  <tromey@redhat.com>
2577
2578         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
2579
2580 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
2581
2582         * tree-cfg.c: Fix comment typos.
2583
2584 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
2585
2586         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
2587         around the call to rest_of_handle_branch_target_load_optimize.
2588
2589 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2590
2591         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
2592         (sparc64-*-openbsd*): Likewise.
2593         (sparclite-*-elf*): Include tm-dwarf2.h.
2594         (sparc86x-*-elf*): Likewise.
2595         (sparc64-*-elf*): Likewise.
2596         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
2597         (DBX_DEBUGGING_INFO): Likewise.
2598         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
2599         (PREFERRED_DEBUGGING_TYPE): Likewise.
2600         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2601         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
2602         (PREFERRED_DEBUGGING_TYPE): Likewise.
2603         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
2604         (PREFERRED_DEBUGGING_TYPE): Likewise.
2605         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
2606
2607 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
2608
2609         PR target/18701
2610         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
2611
2612 2005-01-20  Paul Brook  <paul@codesourcery.com>
2613
2614         * doc/rtl.texi: Document value extension requirements for CONST_INT.
2615
2616 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
2617
2618         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
2619         label is first in a sequence of labels.
2620
2621         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
2622
2623 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
2624             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2625
2626         * doc/sourcebuild.texi (Test Directives): New.
2627
2628 2005-01-20  Roger Sayle  <roger@eyesopen.com>
2629
2630         * real.c (real_floor): Don't leave the result uninitialized when
2631         mode is VOIDMode, but return the unrounded intermediate value.
2632         (real_ceil): Likewise.
2633
2634 2005-01-20  Paul Brook  <paul@codesourcery.com>
2635
2636         * config/arm/arm.md (insv): Use gen_int_mode.
2637
2638 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
2639
2640         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
2641         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2642         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2643         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2644         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
2645
2646 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
2647
2648         Fix PR debug/19124
2649         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
2650         fbreg, so we have to assume we can't.
2651         (loc_descriptor_from_tree_1): Ditto.
2652         (containing_function_has_frame_base): New function.
2653         (add_location_or_const_value_attribute): Use it.
2654         Also try to generate a frame_base from a single element location
2655         list.
2656         
2657 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
2658
2659         PR tree-optimization/15349
2660         * timevar.def (TV_TREE_MERGE_PHI): New.
2661         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
2662         PHI_WANTED.
2663         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
2664         calls to tree_forwarder_block_p.
2665         (remove_forwarder_block_with_phi, merge_phi_nodes,
2666         gate_merge_phi, pass_merge_phi): New.
2667         * tree-optimize.c (init_tree_optimization_passes): Add
2668         pass_merge_phi.
2669         * tree-pass.h: Add an extern for pass_merge_phi;
2670
2671 2005-01-20  Richard Henderson  <rth@redhat.com>
2672
2673         PR target/19418
2674         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
2675         (_mm_castps_pd, _mm_castps_si128): New.
2676         (_mm_castsi128_ps, _mm_castsi128_pd): New.
2677
2678 2005-01-20  Richard Henderson  <rth@redhat.com>
2679
2680         PR target/19530
2681         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
2682         __builtin_ia32_vec_init_v2si.
2683         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
2684         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
2685         (ix86_init_mmx_sse_builtins): Create it.
2686         (ix86_expand_builtin): Expand it.
2687         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
2688         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
2689         (vec_extractv2si_0, vec_extractv2si_1): New.
2690
2691 2005-01-20  Richard Henderson  <rth@redhat.com>
2692
2693         PR target/16533
2694         * config/i386/i386.c (ix86_expand_push): New.
2695         * config/i386/mmx.md (push<MMXMODE>1): New.
2696         * config/i386/sse.md (push<SSEMODE>1): New.
2697         * config/i386/i386-protos.h: Update.
2698
2699 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
2700
2701         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
2702         copyright.
2703
2704 2005-01-20  Richard Henderson  <rth@redhat.com>
2705
2706         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
2707         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
2708
2709 2005-01-19  Richard Henderson  <rth@redhat.com>
2710
2711         PR target/19350
2712         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
2713         to V4SFmode in SSE1 fallback load path.
2714
2715 2005-01-19  Richard Henderson  <rth@redhat.com>
2716
2717         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
2718         in QImode expansion to ix86_expand_vector_set.
2719         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
2720
2721 2005-01-19  Richard Henderson  <rth@redhat.com>
2722
2723         PR target/19511
2724         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
2725         subclass of the input class.
2726         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
2727         Always true for cross-SSE1 classes.  Rationalize conditionals.
2728         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
2729         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
2730         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
2731         (movdi_2): Add MMX/SSE zeros.
2732         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
2733         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
2734         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2735         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
2736         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
2737         (zero_extendsidi2_rex64_1): Remove.
2738         (MOV0 peephole): Check GENERAL_REG_P.
2739
2740 2005-01-19  Richard Henderson  <rth@redhat.com>
2741
2742         PR target/19427
2743         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
2744         shufps elements.
2745         (ix86_expand_vector_extract): Likewise.
2746
2747 2005-01-19  Richard Henderson  <rth@redhat.com>
2748
2749         PR middle-end/19304
2750         * expr.c (emit_move_change_mode): New argument force; use
2751         simplify_gen_subreg if true.
2752         (emit_move_via_alt_mode): Merge into ...
2753         (emit_move_via_integer): ... here.
2754         (emit_move_ccmode): Use emit_move_change_mode directly.
2755
2756 2005-01-19  Richard Henderson  <rth@redhat.com>
2757
2758         PR target/19518
2759         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
2760         (alpha_preferred_reload_class): Handle CONST_VECTOR.
2761         (alpha_emit_set_const_1): Add no_output parameter; don't emit
2762         rtl if true.
2763         (alpha_emit_set_const): Likewise.  Make static.
2764         (alpha_emit_set_long_const): Make static.
2765         (alpha_extract_integer): Split out from alpha_expand_mov.
2766         (alpha_split_const_mov): Likewise.
2767         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
2768         (alpha_legitimate_constant_p): New.
2769         * config/alpha/alpha-protos.h: Update.
2770         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
2771         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
2772         * config/alpha/alpha.md (movsi): Add n alternative.
2773         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
2774         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
2775         (splitters for all of the above): Use alpha_split_const_mov.
2776         * config/alpha/predicates.md (non_add_const_operand): New.
2777         (non_zero_const_operand): New.
2778         (input_operand): Use alpha_legitimate_constant_p after reload.
2779
2780 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
2781
2782         PR tree-optimization/19038
2783         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
2784         (add_candidate): Add ivs with increment in latch only if
2785         allow_ip_end_pos_p is true.
2786         (determine_iv_cost): Use empty_block_p.
2787
2788 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
2789
2790         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
2791         (compute_dominance_frontiers): Ditto.
2792
2793 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
2794
2795         PR target/19529
2796         * config/sh/t-rtems: New. 
2797         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
2798
2799 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
2800
2801         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
2802         the offset of the selected field.
2803
2804 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
2805
2806         * tree-cfg.c (remove_forwarder_block): Fix the check to
2807         prevent a nonlocal label from appearing in the middle of a
2808         basic block.
2809
2810 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
2811
2812         PR rtl-optimization/19462
2813         * reorg.c (find_end_label): Create return insn only if
2814         current_function_epilogue_delay_list is empty.
2815
2816 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
2817
2818         * doc/passes.texi: Remove paragraph mentioning new-ra.
2819
2820 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
2821
2822         PR rtl-optimization/15139
2823         * combine.c: Include params.h.
2824         (count_rtxs): New function.
2825         (record_value_for_reg): If replace_rtx would replace at least
2826         2 occurrences of REG in VALUE and TEM is really large, replace REG with
2827         (clobber (const_int 0)) instead of TEM.
2828         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
2829         * params.h (MAX_LAST_VALUE_RTL): New.
2830         * Makefile.in (combine.o): Depend on $(PARAMS_H).
2831         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
2832
2833         PR c/17297
2834         * c-typeck.c (digest_init): Only call build_vector if all constructor
2835         elements are *_CST nodes.
2836         * gimplify.c (gimplify_init_constructor): Likewise.
2837
2838         PR middle-end/19164
2839         * c-typeck.c (digest_init): Only call build_vector if inside_init
2840         is a CONSTRUCTOR.
2841
2842 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2843
2844         * toplev.c (init_asm_output): Remove dead #ifdef.
2845
2846 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
2847
2848         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
2849
2850 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
2851
2852         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
2853         accessing DECL_FUNCTION_CODE.
2854         * dojump.c (do_jump): Likewise.
2855         * gimplify.c (gimplify_call_expr): Likewise.
2856         * predict.c (expr_expected_value): Likewise.
2857         (strip_builtin_expect): Likewise.
2858         * tree-inline.c (estimate_num_insns_1): Likewise.
2859         * tree-ssa-loop-im.c (stmt_cost): Likewise
2860         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
2861         (tree_expr_nonnegative_p): Likewise.
2862
2863 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
2864
2865         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
2866         variant of the load_pcrel_sym pattern.
2867         * config/sparc/sparc.md (P macro): Move to the top.
2868         (load_pcrel_sym): Macroize using P.
2869         (save_register_window): Likewise.
2870
2871 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
2872
2873         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
2874         ("sordered"): Same.
2875
2876 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2877
2878         PR C/19472
2879         * c-typeck.c (build_asm_expr): Strip nops off
2880         input memory operands.
2881
2882 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
2883
2884         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
2885         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
2886         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
2887         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
2888
2889 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
2890
2891         PR target/19379
2892         * config/i386/i386.c (override_options): If the 80387 is disabled,
2893         then do not return FP values using FP registers.
2894
2895 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
2896
2897         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
2898         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
2899         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
2900         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
2901         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
2902         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
2903         output.h, postreload-gcse.c, postreload.c, recog.c,
2904         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
2905         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
2906         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
2907         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
2908         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
2909         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
2910         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
2911         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
2912
2913         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
2914         config/alpha/alpha.c, config/arm/vfp.md,
2915         config/i386/emmintrin.h, config/i386/i386-modes.def,
2916         config/i386/i386-protos.h, config/i386/i386.h,
2917         config/i386/pmmintrin.h, config/i386/ppro.md,
2918         config/i386/predicates.md, config/i386/xmmintrin.h,
2919         config/i860/i860.c, config/ia64/ia64-modes.def,
2920         config/ia64/ia64-protos.h, config/ia64/ia64.h,
2921         config/ia64/ia64.md, config/ia64/itanium1.md,
2922         config/ia64/itanium2.md, config/ia64/predicates.md,
2923         config/iq2000/iq2000.h, config/mips/linux64.h,
2924         config/rs6000/aix41.h, config/rs6000/aix43.h,
2925         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
2926         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2927         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
2928         config/sparc/linux64.h, config/sparc/litecoff.h,
2929         config/sparc/sp64-elf.h, config/sparc/sparc.c,
2930         config/sparc/sparc.h, config/sparc/sparc.md,
2931         config/sparc/sysv4-only.h: Update copyright.
2932
2933 2005-01-18  Richard Henderson  <rth@redhat.com>
2934
2935         PR target/19496
2936         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
2937
2938 2005-01-18  Marc Espie  <espie@openbsd.org>
2939         * config/i386/openbsdelf.h: Typo.
2940
2941 2005-01-18  Richard Henderson  <rth@redhat.com>
2942
2943         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
2944         special case for sse.
2945         * config/i386/predicates.md (sse_comparison_operator): Likewise.
2946
2947 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
2948
2949         * tree-inline.c (estimate_num_insns_1): Added cases for
2950         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
2951
2952 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
2953
2954         PR rtl-optimization/19296
2955         * combine.c (simplify_comparison): Rewrite the condition under
2956         which a non-paradoxical SUBREG of a PLUS can be lifted when
2957         compared against a constant.
2958
2959 2005-01-18  Andi Kleen <ak@muc.de>
2960
2961         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
2962         * c.opt (-Wpointer-sign): Add.
2963         * doc/invoke.texi: (-Wpointer-sign): Add.
2964
2965 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
2966
2967         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
2968         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
2969         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
2970         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
2971         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
2972         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
2973         for TARGET_MIX_SSE_I387.
2974         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
2975         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
2976         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
2977         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
2978         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
2979         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
2980         TARGET_MIX_SSE_I387.
2981         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
2982         from expander.
2983
2984 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
2985
2986         PR target/19424
2987         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
2988         Add movaps alternative for xmm reg->reg move.
2989
2990 2005-01-17  Jeff Law  <law@redhat.com>
2991
2992         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
2993         at the end of the main DOM loop rather than just before DOM exits.
2994
2995 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
2996
2997         PR tree-optimization/19121
2998         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
2999         adding aliases to a name tag, also add them to the pointer's
3000         type tag.
3001         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3002         sensitive alias info at all.  Only check that the two pointers
3003         have compatible pointed-to sets.
3004         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3005         a pointer's type tag is a superset of the alias set of the
3006         pointer's name tag.
3007
3008 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3009
3010         PR target/19357
3011         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3012         comment to document why.
3013
3014 2005-01-17  Richard Henderson  <rth@redhat.com>
3015
3016         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3017         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3018         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3019         sse2_vmsminv2df3_finite): New.
3020         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3021         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3022         Force op1 into register.
3023
3024 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3025
3026         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3027         bubblestrap from always rebuilding build directory.
3028
3029 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3030
3031         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3032         ("*cmpmem_short"): Likewise.
3033
3034 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3035
3036         * basic-block.h: Document BB_* flags.
3037         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3038         use an sbitmap instead.
3039         * sched-rgn.c (compute_trg_info): Likewise.
3040
3041 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3042
3043         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3044         redundant target_cpu_default and extra_parts lines.  Use the default
3045         "from-abi" ISA.
3046         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3047         (SUBTARGET_EXTRA_SPECS): Delete.
3048         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3049         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3050         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3051         and "n32" for -mabi=n32.
3052
3053 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3054
3055         PR c/5675
3056         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3057         fold constant variables into initial values.
3058
3059 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3060
3061         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3062
3063         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3064         through the statements backward.
3065
3066 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3067
3068         PR middle-end/13127:
3069         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3070         a variable set to the return value of the inlined function.
3071
3072 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3073
3074         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3075         when modes are tieable.
3076
3077 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3078
3079         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3080         of pthread_create to find out if threads are enabled.
3081         * gthr-posix95.h (__gthread_active_p): Likewise.
3082
3083 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3084
3085         * common.opt (-fnew-ra): Remove.
3086         * ra*.*: Remove.
3087         * toplev.h (flag_new_regalloc): Remove.
3088         * Makefile.in (ra*.*): Don't mention.
3089         * passes.c (rest_of_handle_new_regalloc): Remove.
3090         (rest_of_handle_combine, rest_of_compilation): Always consider
3091         flag_new_regalloc as false.
3092         * doc/invoke.texi: Don't document -fnew-ra.
3093
3094 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3095
3096         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3097         last parameter to reg_scan.
3098         * loop.c (loop_optimize): Likewise.
3099         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3100         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3101         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3102         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3103         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3104         * regclass.c (reg_scan): Likewise, for the declaration.
3105         * rtl.h (reg_scan): Likewise, for the prototype.
3106
3107 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3108
3109         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3110         mark_dfs_back_edges.
3111
3112 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3113
3114         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3115         (compute_avail): Uses don't go in tmp_gen.
3116
3117 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3118
3119         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3120         loop to look for a free slot in a page entry.
3121
3122 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3123
3124         PR target/16304
3125         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3126         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3127         just before targetm.asm_out.file_end.
3128         * tree.h (process_pending_assemble_output_defs): Declare.
3129         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3130         New functions.
3131         (assemble_alias): Defer generation of assembly code for defines when
3132         TARGET_DEFERRED_OUTPUT_DEFS is true.
3133         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3134         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3135         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3136
3137 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3138
3139         PR target/19336
3140         * pa.c (pa_scalar_mode_supported_p): New function.
3141         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3142         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3143
3144         * pa-protos.h (prefetch_operand): Delete.
3145         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3146         * pa.c (prefetch_operand): Delete.
3147         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3148         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3149         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
3150         and prefetch_nocc_operand.
3151         * pa.md (prefetch): Rework to avoid reload problems handling short
3152         displacements when a cache control completer needs to be provided.
3153         (prefetch_32, prefetch_64): Delete.
3154         (prefetch_cc, prefetch_nocc): New patterns.
3155
3156 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
3157
3158         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3159
3160 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3161
3162         PR ada/19388
3163         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3164         exceeds maximum alignment for global common data.
3165         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3166         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3167
3168 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3169
3170         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3171
3172 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3173
3174         * harg-reg-set.h (reg_class_names): Prototype global array.
3175         * regclass.c (reg_class_names): Declare here and initialize to
3176         REG_CLASS_NAMES.
3177         (dump_regclass): Remove local declaration of reg_class_names.
3178         (regclass): Likewise.
3179         * cfg.c (dump_flow_info): Likewise.
3180         * ra-debug.c (reg_class_names): Likewise.
3181         * regrename.c (reg_class_names): Likewise.
3182         * reload.c (reg_class_names): Likewise.
3183         * reload1.c (spill_failure): Likewise.
3184         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3185
3186 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
3187
3188         * config/s390/s390.md ("reload_outti"): Remove predicate for
3189         output operand.  Abort if operand is not a MEM.
3190         ("reload_outdi", "reload_outdf"): Likewise.
3191
3192 2005-01-15  Marc Espie  <espie@openbsd.org>
3193
3194         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3195         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3196         * config/openbsd.h:  Fix C++ includes for native configurations.
3197         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
3198         Add trampoline support.
3199         * config/i386/openbsdelf.h: New.
3200
3201 2005-01-15  Marc Espie  <espie@openbsd.org>
3202
3203         * collect2.c (main): Explicitly parse -dynamic-linker option.
3204
3205 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
3206
3207         PR tree-optimization/19060
3208         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3209         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3210         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3211         and handle extract_range_from_cond returning false.
3212         * fold-const.c (fold): Optimize comparisons with min/max even for
3213         width > HOST_BITS_PER_WIDE_INT.
3214
3215 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
3216
3217         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3218         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS): 
3219         Remove little endian multilib variants.
3220         Add mips32 multilib variant.
3221
3222 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
3223
3224         * explow.c (copy_all_reg, stabilize): Remove.
3225         * expr.h: Remove the corresponding prototypes.
3226
3227         * rtlanal.c (regs_set_between_p): Remove.
3228         * rtl.h: Remove the corresponding prototype.
3229
3230 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
3231
3232         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3233         to rs6000_nonimmediate_operand.
3234         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3235         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3236         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3237         rs6000_nonimmediate_operand.
3238         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3239         rs6000_nonimmediate_operand.
3240
3241 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
3242
3243         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3244
3245 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3246
3247         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3248         on e500v2.
3249         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3250         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3251
3252         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3253         (rs6k_nonimmediate_operand): New.
3254         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3255         correctly.
3256         (legitimate_lo_sum_address_p): Same.
3257         (rs6000_legitimize_address): Same.
3258         (rs6000_legitimize_reload_address): Same.
3259         (rs6000_legitimate_address): Same.
3260         (spe_build_register_parallel): Pass DF and DC modes in a DI
3261         register.
3262
3263         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3264         to rs6k_nonimmediate_operand.
3265
3266         * config/rs6000/spe.md ("*frob_df_di"): New.
3267         ("*frob_di_df"): New.
3268         ("*frob_di_df_2"): New.
3269         ("*mov_sidf_e500_subreg0"): New.
3270         ("*mov_sidf_e500_subreg4"): New.
3271         ("*movdf_e500_double"): Change predicate to
3272         rs6k_nonimmediate_operand.
3273
3274 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3275
3276         * postreload.c (move2add_note_store): Only call
3277         trunc_int_for_mode on scalar integers.
3278
3279 2005-01-14  Steven Bosscher  <stevenb@suse.de>
3280
3281         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3282         replace BB_VISITED uses.
3283         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3284         (propagate_necessity): Check the bitmap instead of BB_VISITED.
3285         (tree_dce_done): Free visited_control_parents.
3286         (perform_tree_ssa_dce): Allocate and clear it.
3287         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3288         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
3289         instead of BB_VISITED.
3290
3291 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
3292
3293         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3294         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3295         Remove unused prototypes.
3296
3297 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3298
3299         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3300         64-bit register usage.
3301         (spe_func_has_64bit_regs_p): Add FIXME note.
3302
3303 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3304
3305         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
3306         flag_finite_math_only with flag_unsafe_math_optimizations.
3307
3308 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
3309
3310         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
3311         end-of-stack check.
3312         (__tpf_eh_return): Copy TPF private stack area from the module
3313         boundary stack frame.  Add check for when module addresses are
3314         equal, but no stub address is found.
3315
3316 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
3317
3318         PR target/7525
3319         * arm.h (struct machine_function): Add call_via field.
3320         (thumb_call_via_label): Declare.
3321         * arm.c (thumb_call_via_label): New variable.
3322         (thumb_call_reg_needed): New variable.
3323         (arm_output_function_epilogue): For Thumb code, output any per-function
3324         call-indirect trampolines.
3325         (thumb_call_via_reg): New function.
3326         (arm_file_end): New function.
3327         (TARGET_ASM_FILE_END): Call arm_file_end.
3328         (aof_file_end): Likewise.
3329         * arm-protos.h (thumb_call_via_reg): Declare.
3330         * arm.md (call_reg_thumb, call_value_reg_thumb): Call 
3331         thumb_call_via_reg in normal case.
3332
3333 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
3334
3335         PR middle-end/19084
3336         PR rtl-optimization/19348
3337         * recog.c (peephole2_optimize): Do global life update if some peephole
3338         decides it doesn't need at least one of its inputs and that change
3339         influences liveness at the start of the basic block.
3340
3341         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
3342         arguments instead of 1.
3343
3344 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
3345
3346         PR middle-end/18820
3347         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
3348         zero for nested functions needing a static chain or functions
3349         with a non-constant address.
3350
3351 2005-01-13  Roger Sayle  <roger@eyesopen.com>
3352
3353         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
3354         (and (sign_extend X) C) into (zero_extend (and X C)).
3355
3356 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
3357
3358         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
3359
3360 2005-01-13  Richard Henderson  <rth@redhat.com>
3361
3362         PR target/19009
3363         PR target/19250
3364         PR target/19252
3365         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
3366         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
3367         not just TARGET_SSE.
3368         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
3369         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
3370         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
3371         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
3372         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
3373         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
3374         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
3375         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
3376         (movdicc_c_rex64): Rename with '*'.
3377         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
3378         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
3379         (movsfcc_1_387): Rename from movsfcc_1.
3380         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
3381         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
3382         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
3383         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
3384         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
3385         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
3386         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
3387         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
3388         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
3389         sse_movdfcc_const0_4): Remove.
3390         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
3391         recognize min/max early.  Update for changed sse cmove patterns.
3392         (ix86_split_sse_movcc): New.
3393         * config/i386/i386-protos.h: Update.
3394
3395 2005-01-13  Steven Bosscher  <stevenb@suse.de>
3396
3397         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
3398         (fix_stmt_v_may_defs): Likewise.
3399
3400 2005-01-13  Richard Henderson  <rth@redhat.com>
3401
3402         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
3403         for converting the mask.
3404
3405 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
3406
3407         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
3408         definition to 600.
3409
3410 2005-01-13  Richard Henderson  <rth@redhat.com>
3411
3412         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
3413         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
3414         IX86_BUILTIN_MOVDQ2Q): Remove.
3415         (IX86_BUILTIN_VEC_EXT_V4SI): New.
3416         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
3417         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after 
3418         shuffling.
3419         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
3420         (sse2_pextrw): Fix immediate constraint.
3421         (sse2_loadq, sse2_loadq_rex64): Remove.
3422         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
3423         Use __builtin_ia32_vec_ext_<size>.
3424         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
3425
3426 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
3427
3428         * function.c (assign_parm_setup_block): Look inside original
3429         entry_parm when inspecting PARALLEL.
3430
3431 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
3432             Joel Sherrill  <joel@oarcorp.com>
3433
3434         PR target/19399
3435         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
3436         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
3437         rtems_gxx_recursive_mutex_init.
3438         (__gthread_recursive_mutex_lock): New function.
3439         (__gthread_recursive_mutex_trylock): Likewise.
3440         (__gthread_recursive_mutex_unlock): Likewise.
3441
3442 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
3443
3444         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
3445
3446 2005-01-13  Jan Beulich  <jbeulich@novell.com>
3447
3448         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
3449         (ashrti3_internal): Indicate output is early clobber. Generate result
3450         into output rather than first input. Use move for low word of output
3451         if shift count is exactly 64.
3452         (lshrti3_internal): Likewise.
3453
3454 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
3455
3456         PR target/18329
3457         PR target/18330
3458         * reload1.c (delete_output_reload): Don't delete an output reload
3459         if the pseudo lives longer than a single basic block.  Adjust and
3460         improve wording of comment.
3461
3462 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
3463
3464         PR target/19334
3465         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
3466         of TYPE_SIZE where we mean the number of bytes.
3467
3468 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
3469
3470         * function.c (assign_parm_setup_block): Relax condition on
3471         multi-register optimization.
3472
3473 2005-01-12  Nick Clifton  <nickc@redhat.com>
3474
3475         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
3476         an "in_delay_slot" attribute of "no" to prevent them being used in
3477         delay slots.  This is forbidden because they might generate
3478         exceptions.
3479
3480 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
3481
3482         PR target/19389
3483         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
3484         with r->Y and Y->r.
3485
3486 2005-01-12  Nick Clifton  <nickc@redhat.com>
3487
3488         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
3489         passed on to GAS) but do not define, as GAS no longer supports or
3490         needs the -m2000 option.
3491
3492 2005-01-11  Roger Sayle  <roger@eyesopen.com>
3493
3494         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
3495         type as args of unprototyped builtins aren't automatically promoted.
3496         (fold_builtin_abs): Likewise.
3497
3498 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3499
3500         * Makefile.in: Set a `build-warn' variable.
3501
3502 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
3503
3504         PR tree-optimization/17949
3505         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
3506         (find_interesting_uses_address): Use it.
3507
3508 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
3509
3510         * regrename.c (kill_value): Handle subreg's that won't simplify.
3511
3512 2005-01-11  Richard Henderson  <rth@redhat.com>
3513
3514         PR target/13366
3515         * config/i386/i386.h (enum ix86_builtins): Move ...
3516         * config/i386/i386.c: ... here.
3517         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
3518         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
3519         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
3520         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
3521         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
3522         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
3523         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
3524         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
3525         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
3526         IX86_BUILTIN_LOADDDUP): Remove.
3527         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
3528         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
3529         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
3530         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
3531         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
3532         (ix86_init_builtins): Make static.
3533         (ix86_init_mmx_sse_builtins): Update for changed builtins.
3534         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
3535         if all the modes match.  Otherwise, fake it.
3536         (get_element_number, ix86_expand_vec_init_builtin,
3537         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
3538         (ix86_expand_builtin): Make static.  Update for changed builtins.
3539         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
3540         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
3541         (ix86_expand_vector_init_duplicate): New.
3542         (ix86_expand_vector_init_low_nonzero): New.
3543         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
3544         Split out from ix86_expand_vector_init; handle integer modes.
3545         (ix86_expand_vector_init): Use them.
3546         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
3547         * config/i386/i386-protos.h: Update.
3548         * config/i386/predicates.md (reg_or_0_operand): New.
3549         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
3550         (movv2sf_internal): Likewise.  And a splitter to match them all.
3551         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
3552         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
3553         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
3554         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
3555         (mmx_pinsrw): Fix operand ordering.
3556         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
3557         rather than sse_loadss expander.
3558         (movv2df splitter): Similarly.
3559         (sse_loadss, sse_loadlss): Remove.
3560         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
3561         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
3562         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
3563         (sse3_movddup): Rename with '*'.
3564         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
3565         (sse2_loadsd): Remove.
3566         (vec_dupv2df_sse3): Rename from sse3_loadddup.
3567         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
3568         (sse2_pinsrw): Fix argument ordering.
3569         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
3570         (sse2_stored): Remove 'r' destination.
3571         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
3572         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
3573         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
3574         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
3575         vec_extractv16qi, vec_initv16qi): New.
3576
3577         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
3578         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x, 
3579         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
3580         constructor form.
3581         (_mm_load_pd, _mm_store_pd): Use plain dereference.
3582         (_mm_load_si128, _mm_store_si128): Likewise.
3583         (_mm_load1_pd): Use _mm_set1_pd.
3584         (_mm_load_sd): Use _mm_set_sd.
3585         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
3586         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
3587         (_mm_set_epi64): Use _mm_set_epi64x.
3588         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
3589         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
3590         _mm_setr_epi8): Use _mm_set_foo form.
3591         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
3592         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
3593         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
3594         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
3595         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
3596         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
3597         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
3598         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
3599         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
3600         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
3601         (_mm_movedup_pd): Use _mm_shuffle_pd.
3602         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
3603         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
3604         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
3605         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
3606         Use _mm_setzero_ps.
3607         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
3608         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
3609         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
3610         (_mm_store_ps): Use raw dereference.
3611         (_mm_store1_ps): Use _mm_storeu_ps.
3612         (_mm_storer_ps): Use _mm_store_ps.
3613         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
3614         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
3615
3616 2005-01-11  Stan Shebs  <shebs@apple.com>
3617
3618         * config/rs6000/rs6000.c (machopic_output_stub): Issue
3619         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
3620
3621 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3622
3623         PR target/18761
3624         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
3625         Skip all DECLs except for FIELD_DECLs.
3626
3627 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
3628
3629         * config/s390/s390.c (override_options): Return error if
3630         -mbackchain, -mpacked-stack and -mhard-float are used together.
3631         (s390_va_start): Remove the backchain && packed-stack special case.
3632         (s390_gimplify_va_arg): Likewise.
3633         * doc/invoke.texi: Remove the ABI incompatibility note.
3634
3635 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
3636
3637         * config/s390/s390.c (struct s390_frame_layout): Remove
3638         save_backchain_p.
3639         (s390_frame_info, s390_emit_prologue): Replace occurrences of
3640         save_backchain_p with TARGET_BACKCHAIN.
3641
3642 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
3643
3644         PR target/18916
3645         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
3646         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
3647         * function.c (locate_and_pad_parm): Set new field.
3648         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
3649         Tweak where_pad test to include "none".  Always set mem align for
3650         stack_parm.
3651         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
3652         not sufficient for type.
3653         (assign_parm_setup_block): If stack_parm is zero on entry, always
3654         make a new stack local.  Block move old stack parm if necessary
3655         to new aligned stack local.
3656         (assign_parm_setup_stack): Use a block move to handle
3657         potentially misaligned entry_parm.
3658         (assign_parms_unsplit_complex): Specify required alignment when
3659         creating stack local.
3660         * calls.c (compute_argument_addresses): Override alignment of stack
3661         arg calculated from its type with the alignment given by
3662         FUNCTION_ARG_BOUNDARY.
3663         (store_one_arg): Likewise.
3664
3665 2005-01-11  Jan Beulich  <jbeulich@novell.com>
3666
3667         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
3668         Change respective itanium_class attribute to ialu.
3669         (shladdp4_internal): New.
3670         * config/ia64/predicates.md (shladd_log2_operand): New.
3671
3672 2005-01-11  Richard Henderson  <rth@redhat.com>
3673
3674         * expr.c (store_constructor): Use rtvec_alloc instead of
3675         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
3676
3677 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
3678
3679         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
3680
3681 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
3682
3683         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
3684         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
3685         (TARGET_RWRELOC): Define.
3686         (ia64_rwreloc_section_type_flags): Delete.
3687         (ia64_section_type_flags): New function.
3688         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
3689         (TARGET_RWRELOC): Define.
3690
3691 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
3692
3693         PR target/18987
3694         * config/ia64/ia64.c (process_set): For alloc insn, only call
3695         process_epilogue is !frame_pointer_needed.
3696
3697 2005-01-10  Roger Sayle  <roger@eyesopen.com>
3698
3699         PR c++/19355
3700         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
3701         unary operator and can't be treated as a binary/comparison operator.
3702
3703 2005-01-10  Richard Henderson  <rth@redhat.com>
3704
3705         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
3706         (ix86_return_in_memory): Likewise.
3707         (function_arg_advance):  Likewise.  Mirror structure in function_arg
3708         for choosing register to advance.
3709
3710 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
3711
3712         * tree-vectorizer.c, tree.def: Fix comment typos.
3713
3714 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
3715
3716         * config/s390/s390.c (struct processor_costs): 4 new fields:
3717         ddbr, ddr, debr, der.
3718         (s390_rtx_costs): More precise handling of divide instructions.
3719
3720 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
3721
3722         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
3723
3724 2005-01-10  Jan Beulich  <jbeulich@novell.com>
3725
3726         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
3727         names resulting from -ffunction-sections/-fdata-sections and linkonce
3728         ones.
3729         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
3730         based on the section name. Rearrange the section name comparison logic
3731         slightly so that each section name is compared against at most once.
3732
3733 2005-01-10  Ben Elliston  <bje@au.ibm.com>
3734
3735         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
3736         targets for which -fPIC reduces limitations on the GOT size.
3737
3738 2005-01-09  Falk Hueffner  <falk@debian.org>
3739
3740         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
3741         X/C1 cmpop C2.
3742
3743 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
3744
3745         PR target/18720
3746         * collect2.c (main): Set aixrtl_flag for -brtl option.
3747         (resolve_lib_name): Search for .so file extension before .a
3748         if aixrtl_flag set.
3749
3750 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
3751
3752         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
3753         (vect_analyze_data_refs_alignment): Add dump prints.
3754
3755 2005-01-09  Ira Rosen  <irar@il.ibm.com>
3756
3757         * tree-vectorizer.c (vect_analyze_offset_expr): Use
3758         expr_invariant_in_loop_p.
3759         Initialize outputs first thing in the function.
3760         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
3761         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
3762         (vect_analyze_pointer_ref_access): Check that the initial condition of
3763         the access function is loop invariant.
3764
3765 2005-01-09  Richard Henderson  <rth@redhat.com>
3766
3767         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
3768         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
3769         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
3770         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
3771         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
3772         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
3773         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
3774         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
3775         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
3776         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
3777         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
3778         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
3779         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
3780         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
3781         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
3782         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
3783         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
3784         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
3785         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
3786         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
3787         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
3788         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
3789         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
3790         mmx_ prefix.
3791         (mmx_clrdi, pavgusb): Remove.
3792         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
3793         with leading sse_ prefix.
3794         * config/i386/sse.md: Receive them.
3795         * config/i386/mmx.md: New file.
3796         (MMXMODE12, MMXMODE24, mmxvecsize): New.
3797         (subrv2sf3): Turn into expander for normal subtraction.
3798         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
3799         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
3800         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
3801         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
3802         commutative; use ix86_binary_operator_ok.
3803         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
3804         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
3805         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
3806         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
3807         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
3808         Macroize from existing patterns; use ix86_binary_operator_ok.
3809         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
3810         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
3811         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
3812         with vec_select+vec_concat.
3813         (mmx_pshufw, mmx_pshufw_1): Likewise.
3814         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
3815         (mmx_uavgv4hi3): Model correctly.
3816         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
3817         _mm_xor_si64): Remove casts.
3818
3819 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
3820
3821         PR tree-optimization/19224
3822         * tree-scalar-evolution.c (get_instantiated_value,
3823         set_instantiated_value): New functions.
3824         (instantiate_parameters_1): Cache the results.
3825         (instantiate_parameters, resolve_mixers): Initialize and free
3826         the cache.
3827
3828 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
3829
3830         * config/i386/i386.md (addhi_4): Correct reference in comment.
3831         (addqi_4): Same.
3832
3833 2005-01-08  Richard Henderson  <rth@redhat.com>
3834
3835         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
3836         (_mm_cvtsi128_si64x): Likewise.
3837         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
3838         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
3839         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
3840         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
3841         * config/i386/i386-protos.h: Update.
3842         * config/i386/i386.c (print_operand): Add 'H'.
3843         (ix86_fixup_binary_operands): Split out from ...
3844         (ix86_expand_binary_operator): ... here.
3845         (ix86_fixup_binary_operands_no_copy): New.
3846         (ix86_expand_fp_absneg_operator): Handle vector mode results.
3847         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
3848         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
3849         (safe_vector_operand): Use CONST0_RTX.
3850         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
3851         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
3852         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
3853         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
3854         special cases.
3855         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
3856         (IX86_BUILTIN_CMPNGESS): New.
3857         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
3858         (attr type): Add sselog1.
3859         (attr unit, attr memory): Handle it.
3860         (movti, movti_internal, movti_rex64): Move near other integer moves.
3861         (movtf, movtf_internal): Move near other fp moves.
3862         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
3863         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
3864         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
3865         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
3866         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
3867         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
3868         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
3869         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
3870         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
3871         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
3872         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
3873         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
3874         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
3875         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
3876         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
3877         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
3878         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
3879         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
3880         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
3881         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
3882         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
3883         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
3884         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
3885         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
3886         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
3887         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
3888         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
3889         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
3890         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
3891         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
3892         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
3893         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
3894         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
3895         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
3896         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
3897         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
3898         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
3899         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
3900         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
3901         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
3902         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
3903         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
3904         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
3905         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
3906         same time.
3907         (SSEPUSH, push<SSEPUSH>): Remove.
3908         (MMXPUSH, push<MMXPUSH>): Remove.
3909         (sse_movaps, sse_movaps_1, sse_movups): Remove.
3910         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
3911         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
3912         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
3913         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
3914         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
3915         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
3916         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
3917         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
3918         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
3919         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
3920         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
3921         (ppro_sse_log_V4SF): Handle sselog1.
3922         * config/i386/predicates.md (const_0_to_1_operand): New.
3923         (const_0_to_255_mul_8_operand): New.
3924         (const_1_to_31_operand): Rename from const_int_1_31_operand.
3925         (const_2_to_3_operand, const_4_to_7_operand): New.
3926         * config/i386/sse.md: New file.
3927         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
3928         (sse_movups): Rename from sse_movups_1.
3929         (sse_loadlss): Rename from sse_loadss_1.
3930         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
3931         from the name.
3932         (negv4sf2): Use ix86_expand_fp_absneg_operator.
3933         (absv4sf2, negv2df, absv2df): New.
3934         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
3935         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
3936         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
3937         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
3938         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
3939         (sse3_addsubv4sf3): Model correctly.
3940         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
3941         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
3942         (sse_movhlps): Model with vec_select+vec_concat.
3943         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
3944         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
3945         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
3946         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
3947         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
3948         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
3949         sse2_pshufhw_1): Likewise.
3950         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
3951         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
3952         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
3953         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
3954         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
3955         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
3956         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
3957         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
3958         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
3959         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
3960         sminv8hi3): Mark commutative
3961         operands.  Use ix86_binary_operator_ok.
3962         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
3963         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
3964         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
3965         sse2_punpcklqdq): Allow operand2 in memory.
3966         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
3967         sse2_movsd): Add memory alternatives.
3968         (sse_storelps): Turn expander into an insn; split after reload.
3969         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
3970         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
3971
3972 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
3973
3974         * configure.ac (DWARF-2 debug_line): Use objdump.
3975         * configure: Regenerate.
3976
3977 2005-01-08  Jeff Law  <law@redhat.com>
3978             Diego Novillo  <dnovillo@redhat.com>
3979
3980         PR tree-optimization/18241
3981         * tree-nrv.c (tree_nrv): Ignore volatile return values.
3982         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
3983         statements with volatile operands.
3984         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
3985         operands after marking a statement with has_volatile_ops.
3986
3987 2005-01-08  Roger Sayle  <roger@eyesopen.com>
3988
3989         * tree.c (int_fits_type_p): Always honor integer constant
3990         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
3991
3992 2005-01-08  Roger Sayle  <roger@eyesopen.com>
3993
3994         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
3995         the latent bug in rtl_delete_block has been resolved.
3996
3997 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
3998
3999         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
4000         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
4001
4002 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4003
4004         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
4005         library as @multilib_dir@/$(SHLIB_SONAME).
4006
4007 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4008
4009         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
4010         * configure: Regenerate.
4011
4012 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4013
4014         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
4015         TYPE_MODE.
4016
4017 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
4018
4019         PR target/13674
4020         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4021         Convert non-word aligned offset address using ld/std into
4022         indirect address.
4023
4024 2005-01-07  Richard Henderson  <rth@redhat.com>
4025
4026         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
4027
4028 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
4029
4030         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
4031
4032 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4033
4034         PR tree-optimization/19283
4035         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
4036         is not shorter than the original type.
4037
4038         PR rtl-optimization/19012
4039         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
4040
4041         PR rtl-optimization/18861
4042         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
4043         (FULL_STATE): Define.
4044         (mark_tablejump_edge): New function.
4045         (purge_dead_tablejump_edges): New function.
4046         (find_bb_boundaries): Use it.
4047
4048         PR tree-optimization/18828
4049         * builtins.c (expand_builtin_next_arg): Remove argument and all
4050         the argument checking.
4051         (expand_builtin): Adjust caller.
4052         (expand_builtin_va_start): Likewise.  Remove error for too many
4053         arguments.
4054         (fold_builtin_next_arg): Issue error for too many arguments.
4055         After checking arguments, replace them with magic arguments that
4056         prevent further checking of the args.
4057
4058 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4059
4060         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
4061
4062 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4063
4064         PR target/6077
4065         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
4066         and %{.S:...} (and their negative variants) to test whether the
4067         input file is assembler or pre-processed-assembler independent of
4068         the actual filename extension.
4069
4070 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4071
4072         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
4073         of sign or zero extended values.
4074
4075 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
4076
4077         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
4078         for IBM long double format correctly.
4079
4080 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
4081
4082         Fix PR tree-optimization/18792
4083
4084         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
4085         to first_loop_depth, and use loop depth instead of loop number.
4086         (build_classic_dir_vector): Ditto.
4087         (compute_data_dependences_for_loop): Use depth, not loop number.
4088         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
4089         number. Pass in loops, instead of loop numbers.
4090         (gather_interchange_stats): Ditto.
4091         (linear_transform_loops): Ditto.
4092
4093 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
4094
4095         PR rtl-opt/13299
4096         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
4097         biv_fits_mode_p, extension_within_bounds_p): New functions.
4098         (check_ext_dependent_givs): Use them.
4099
4100 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4101
4102         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
4103         more than one barrier, in which case we should delete them all.
4104
4105 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
4106
4107         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
4108
4109 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
4110
4111         Fix PR middle-end/19286
4112         Fix PR debug/19267
4113         * dwarf2out.c (gen_subprogram_die): If we've already tried to
4114         output this subprogram, simply ignore this attempt to do it again.
4115         (add_abstract_origin_attribute): Don't abort trying to add the abstract
4116         origin attribute if it's not possible.
4117         (gen_block_die): Don't ignore subblocks of "unused" blocks.
4118         (decls_for_scope): Ditto.
4119         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
4120         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
4121
4122 2005-01-05  Richard Henderson  <rth@redhat.com>
4123
4124         PR target/11327
4125         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
4126         (bdesc_2arg): Use it.
4127         (ix86_expand_binop_builtin): Force operands into registers
4128         when optimizing.
4129         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
4130         ix86_expand_sse_compare, ix86_expand_sse_comi,
4131         ix86_expand_builtin): Likewise.
4132
4133 2005-01-05  Richard Henderson  <rth@redhat.com>
4134
4135         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
4136         and VEC_SELECT.
4137         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
4138         (mulv4hi3): Set itanium_class mmmul.
4139         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
4140         (fpack): Rename from fpack_sfsf.
4141
4142 2005-01-05  Richard Henderson  <rth@redhat.com>
4143
4144         PR rtl-opt/10692
4145         * reload1.c (do_input_reload): Restrict the optimization deleteing
4146         a previous output reload to RELOAD_FOR_INPUT.
4147
4148 2005-01-05  Steven Bosscher  <stevenb@suse.de>
4149
4150         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
4151         comment that we fall through after case.
4152         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
4153         (distribute_links): Likewise.
4154         * cse.c (cse_insn): Likewise.
4155         * cselib.c (cselib_invalidate_mem): Likewise.
4156         * df.c: Update comments at the top of the file.
4157         (read_modify_subreg_p): Update comments here too.
4158         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
4159         * flow.c (mark_set_1): Likewise.
4160         (mark_used_regs): Likewise.
4161         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4162         (canon_list_insert): Likewise.
4163         (mark_set): Likewise.
4164         (try_replace_reg): Likewise.
4165         (store_killed_in_insn): Likewise.
4166         * loop.c (count_one_set): Likewise.
4167         (basic_induction_var): Likewise.
4168         * postreload-gcse.c (find_mem_conflicts): Likewise.
4169         * postreload.c (reload_combine_note_store): Likewise.
4170         (move2add_note_store): Likewise.
4171         * reload.c (find_equiv_reg): Likewise.
4172         (mark_referenced_resources): Likewise.
4173         * rtlanal.c (set_noop_p): Likewise.
4174         (note_stores): Likewise.
4175         (note_uses): Likewise.
4176         * sched-deps.c (sched_analyze_1): Likewise.
4177         * sched-rgn.c (check_live_1): Likewise.
4178         (update_live_1): Likewise.
4179         * config/i860/i860.c: Likewise.
4180
4181         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
4182         an lvalue.
4183         (ZERO_EXTRACT): Mention that this one can be an lvalue.
4184
4185         * doc/rtl.texi: Update documentation for bit-fields and SET.
4186
4187 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4188
4189         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
4190
4191 2005-01-05  Jan Hubicka  <jh@suse.cz>
4192             Richard Henderson  <rth@redhat.com>
4193
4194         PR target/18910
4195         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
4196         with an offset.
4197
4198 2005-01-05  Richard Henderson  <rth@redhat.com>
4199
4200         PR target/12902
4201         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
4202         (sse_shufps): Change operand 3 to const_int_operand.
4203         (sse2_storelps): Fix typo in template.
4204         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
4205         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
4206         (ix86_expand_builtin): Likewise.
4207
4208 2005-01-05  Julian Brown  <julian@codesourcery.com>
4209
4210         * config/arm/arm.c (arm_return_in_memory): Treat complex types
4211         as aggregates for AAPCS ABIs.
4212
4213 2005-01-05  Stan Shebs  <shebs@apple.com>
4214
4215         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
4216         Mach-O getters if ppc64.
4217         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
4218         size argument.
4219         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4220         signed four-byte field for global code case.
4221         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
4222
4223 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4224
4225         PR middle-end/19100
4226         * c-common.c: Include real.h.
4227         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
4228         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
4229         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
4230         * Makefile.in (c-common.o): Update dependencies.
4231
4232 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4233
4234         * c-parse.in (asm_string): Add trailing semicolon.
4235
4236 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4237
4238         * c-parse.in (asm_string): New.  Don't allow wide strings in
4239         'asm'.
4240         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
4241         asm_string instead of STRING.
4242
4243 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4244
4245         * c-typeck.c (constructor_no_implicit): Remove.
4246         (set_designator, process_init_element): Don't check
4247         constructor_no_implicit.
4248
4249 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
4250             Kaz Kojima  <kkojima@gcc.gnu.org>
4251
4252         PR target/16482
4253         * lcm.c (create_pre_exit): New.
4254         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
4255         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
4256
4257 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4258
4259         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
4260         -msoft-float in target_float_switch.
4261         * arm.c (arm_override_options): Fix processing of target_float_switch.
4262
4263 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4264
4265         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
4266         preferencing.
4267
4268 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
4269
4270         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
4271         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
4272
4273 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4274
4275         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
4276         if deleting the then-block allows the test-block to fallthru to the
4277         else-block.
4278
4279 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
4280
4281         PR c/19152
4282         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
4283         after the full declaration if the are in two different TUs.
4284
4285 2005-01-04  Richard Henderson  <rth@redhat.com>
4286
4287         PR tree-opt/19158
4288         * tree-sra.c (generate_one_element_init): Just
4289         call gimplify_and_add.
4290         (generate_element_init): Record the
4291         new referenced variables and mark them for renaming
4292         and split out to ...
4293         (generate_element_init_1): This.
4294         (scalarize_init): Don't call push_gimplify_context/
4295         pop_gimplify_context.
4296
4297 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
4298
4299         * toplev.c (get_src_pwd): Handle failure of getpwd().
4300
4301 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4302
4303         * fold-const.c (fold_single_bit_test): Delete unreachable handling
4304         of TRUTH_NOT_EXPR.
4305         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
4306         all the cases handled by it are inverted by invert_truthvalue.
4307
4308 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4309
4310         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
4311         (save_register_windowsi): Likewise.
4312
4313 2005-01-04  Richard Henderson  <rth@redhat.com>
4314
4315         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
4316
4317 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4318
4319         PR middle-end/17767
4320         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
4321         any simplifications of vector mode comparison operators.
4322         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
4323
4324 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
4325             Devang Patel  <dpatel@apple.com>
4326
4327         PR tree-optimization/18308
4328         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
4329         the operands before creating a new expression.
4330         * dojump.c (do_jump): Make drop_through_label available
4331         for all cases.  Add expansion of COND_EXPR.
4332
4333 2005-01-04  Ira Rosen  <irar@il.ibm.com>
4334
4335         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
4336         INTEGER_CST instead of TREE_CONSTANT.
4337         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
4338         instead of TREE_CONSTANT.
4339         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
4340         instead of TREE_CONSTANT.
4341
4342 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4343
4344         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
4345
4346 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4347
4348         PR target/19240
4349         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
4350         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
4351
4352 2005-01-03  Richard Henderson  <rth@redhat.com>
4353
4354         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
4355         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
4356         fold_convert_const_real_from_real): Split out from ...
4357         (fold_convert_const): ... here.
4358
4359 2005-01-03  Richard Henderson  <rth@redhat.com>
4360
4361         PR target/19235
4362         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
4363         (mov<MMXMODEI>_internal): Likewise.
4364         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
4365         Add V2SF case; use it for SSE1; don't use TI.
4366         (movdf_integer): Likewise.
4367         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
4368
4369 2005-01-03  Ira Rosen  <irar@il.ibm.com>
4370
4371         * tree-vectorizer.c (vect_strip_conversions): New function.
4372         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
4373         check for binary class.
4374
4375 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
4376
4377         Fix PR debug/17924
4378         Fix PR debug/19191
4379         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
4380         is a decl.
4381         * gimple-low.c (mark_blocks_with_used_vars): New function.
4382         (mark_blocks_with_used_subblocks): Ditto.
4383         (mark_used_blocks): Ditto.
4384         (pass_mark_used_blocks): New pass.
4385         * tree-inline.c: Include debug.h.
4386         (expand_call_inline): Call outlining_inline_function here.
4387         * tree-optimize.c (init_tree_optimization_passes): Add
4388         pass_mark_used_blocks.
4389         * tree-pass.h (pass_mark_used_blocks): New.
4390         * Makefile.in (tree-inline.o): Add debug.h dependency.
4391
4392 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
4393
4394         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
4395         VAR_DECLs to have weak_import attribute.
4396
4397         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
4398         'struct ucontext'.
4399
4400 2004-01-03  Steven Bosscher  <stevenb@suse.de>
4401
4402         * passes.c (rest_of_compilation): Don't run regmove if only
4403         flag_expensive_optimizations, require flag_regmove instead.
4404
4405 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4406
4407         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
4408         register "sparc".
4409         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
4410         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4411         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
4412         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4413
4414 2005-01-03  Richard Henderson  <rth@redhat.com>
4415
4416         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
4417         (ia64_const_ok_for_letter_p): New.
4418         (ia64_const_double_ok_for_letter_p): New.
4419         (ia64_extra_constraint): New.
4420         (ia64_expand_vecint_compare): New.
4421         (ia64_expand_vcondu_v2si): New.
4422         (ia64_expand_vecint_cmov): New.
4423         (ia64_expand_vecint_minmax): New.
4424         (ia64_print_operand): Add 'v'.
4425         (ia64_preferred_reload_class): New.
4426         (ia64_vector_mode_supported_p): New.
4427         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
4428         (PREFERRED_RELOAD_CLASS): Move to function.
4429         (CONST_OK_FOR_LETTER_P): Move to function.
4430         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
4431         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
4432         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
4433         (EXTRA_CONSTRAINT): Move to function.
4434         * config/ia64/ia64.md: Include vect.md.
4435         (itanium_class): Add mmalua.
4436         (type): Handle it.
4437         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
4438         (1b_mmalua): New.
4439         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
4440         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
4441         CONST0_RTX.
4442         (const_int_2bit_operand): New.
4443         (fr_reg_or_0_operand): New.
4444         * config/ia64/ia64-modes.def: Add vector modes.
4445         * config/ia64/ia64-protos.h: Update.
4446         * config/ia64/vect.md: New file.
4447
4448 2005-01-03  Richard Henderson  <rth@redhat.com>
4449
4450         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
4451
4452 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
4453
4454         PR target/19236
4455         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
4456         to SFmode.
4457         (log1pdf2): Change mode of operands[0,1] to DFmode.
4458
4459 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4460
4461         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
4462         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
4463         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
4464         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
4465         SPARC_RELAXED_ORDERING.
4466
4467 2005-01-03  Richard Henderson  <rth@redhat.com>
4468             Uros Bizjak  <uros@kss-loka.si>
4469
4470         PR target/14631
4471         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
4472         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
4473         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
4474         handling.
4475         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
4476         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
4477         const_pow2_1_to_128_operand): New predicates.
4478
4479 2005-01-02  Greg McGary  <greg@mcgary.org>
4480
4481         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
4482         anonymous decls.
4483         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
4484         object.  [ptr_type]: Remove unused variable.
4485         Remember nearest addressable array-element or record-component
4486         when checking bitfield components.  Tolerate empty BIND_EXPR.
4487
4488 2005-01-01  Richard Henderson  <rth@redhat.com>
4489
4490         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
4491         that don't narrow the value.  Fail for other conversions.
4492
4493 2005-01-01  Richard Henderson  <rth@redhat.com>
4494
4495         PR c/19031
4496         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
4497         * c-lang.c (finish_file): Don't do it here.
4498         * objc/objc-act.c (objc_finish_file): Likewise.
4499
4500         * cgraph.c (decl_assembler_name_equal): New.
4501         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
4502         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
4503         * cgraph.h (struct cgraph_varpool_node): Add next.
4504         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
4505         * varasm.c (assemble_alias): Mark the target as needed.
4506
4507 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
4508
4509         PR middle-end/19221
4510         * function.c (get_arg_pointer_save_area): Use entry_of_function
4511         instead of get_insns.
4512
4513 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4514             Andrew Pinski  <pinskia@physics.uc.edu>
4515             James E. Wilson  <wilson@specifixinc.com>
4516
4517         PR rtl-optimization/12092
4518         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
4519         is zero.
4520
4521 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4522             Olivier Hainque  <hainque@act-europe.fr>
4523
4524         * tree.c (int_fits_type_p): A narrower type always fits in a
4525         wider one, except for negative values into unsigned types.
4526
4527 2005-01-01  Roger Sayle  <roger@eyesopen.com>
4528
4529         * tree.c (int_fits_type_p): Compare the result of force_fit_type
4530         with the original constant rather than require TREE_OVERFLOW.
4531
4532 2005-01-01  Steven Bosscher  <stevenb@suse.de>
4533
4534         PR middle-end/17544
4535         * c-decl.c (finish_function): If compiling C99, annotate the
4536         compiler generated return with the current file name and line 0.
4537         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
4538         the source line is greater than 0.
4539         (remove_bb): Likewise.
4540
4541 See ChangeLog.12 for earlier changes.