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* tree-phinodes.c (remove_phi_node): Drop the last argument.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * predict.c (apply_return_prediction): Standardize PHI chain
4         walking.
5         * tree-ssa.c (ssa_redirect_edge): Likewise.
6
7         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
8         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
9         Update copyright.
10
11         * tree-phinodes.c (remove_phi_node): Drop the last argument.
12         * tree-flow.h: Adjust the prototype for remove_phi_node.
13         * lambda-code.c (perfect_nestify): Adjust a call to
14         remove_phi_node.
15         * tree-cfg.c
16         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
17         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
18         Likewise.
19         * tree-ssa-dce.c (remove_dead_phis): Likewise.
20         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
23
24 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
25
26         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
27         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
28         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
29         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
30         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
31
32 2005-03-04  Devang Patel  <dpatel@apple.com>
33         
34         PR tree-optimization/18815
35         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
36         loops with zero exit edges.
37
38 2005-03-04  Devang Patel  <dpatel@apple.com>
39
40         * doc/invoke.texi: Remove reference to webpage that does not exist.
41         
42 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
43             Joseph S. Myers  <joseph@codesourcery.com>
44
45         PR c++/19797
46         * elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
47         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
48         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
49         * pa.c (get_plabel): Change argument to symbol_ref.  Call
50         maybe_get_identifier instead of get_identifier.
51         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
52         (struct deferred_plabel): Replace name field with symbol field.
53         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
54         ASM_OUTPUT_EXTERNAL_REAL is defined.
55         (output_global_address): Use output_addr_const for output of all
56         symbol_refs.
57         (output_deferred_plabels): Use symbol_ref instead of name for address
58         output.
59         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
60         ASM_OUTPUT_SYMBOL_REF): New macros.
61         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
62         comment.
63         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
64         label.
65
66 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
67
68         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
69         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
70
71 2005-03-04  Jeff Law  <law@redhat.com>
72
73         * basic-block.h (rediscover_loops_after_threading): Declare.
74         * tree-ssa-dom.c: Include cfgloop.h.
75         (tree_ssa_dominator_optimize): Discover loops and some basic
76         properties.  Remove forwarder blocks recreated by loop header
77         canonicalization.  Also mark backedges in the CFG.
78         * tree-ssa-threadupdate.c: Include cfgloop.h
79         (rediscover_loops_after_threading): Define.
80         (struct local_info): New field, JUMP_THREADED.
81         (prune_undesirable_thread_requests): New function.
82         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
83         then record that fact for the callers of redirct_edges.
84         (thread_block): If BB has incoming backedges, then call
85         prune_undesirable_thraed_requests.    Note when we are
86         going to have to rediscover loop information.  Return a
87         boolean indicating if any jumps were threaded.
88         (thread_through_all_blocks): Bubble up boolean indicating
89         if any jumps were threaded.
90         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
91         (tree-ssa-threadupdate.o): Similarly.
92
93 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
94
95         * fold-const.c (fold_ternary): Unroll the "for" loop to
96         extract operands.  
97
98 2005-03-04  Andrew Haley  <aph@redhat.com>
99
100         * unwind-dw2-fde-glibc.c (struct
101         unw_eh_callback_data.check_cache): New field.
102         (frame_hdr_cache): New.
103         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
104         Cache frame header info.
105
106 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
107
108         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
109         (print_c_condition): Declare.
110         * read-rtl.c (ptr_loc): New structure.
111         (ptr_locs, ptr_loc_obstack, joined_conditions)
112         (joined_conditions_obstack): New variables.
113         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
114         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
115         (join_c_conditions, print_c_condition): New functions.
116         (apply_macro_to_string): Associate the new string with the same
117         source location as the old one.
118         (add_condition_to_string): Use join_c_conditions.
119         (read_string): Use set_rtx_ptr_loc to record a filename and line
120         number for the string.
121         (read_rtx): Initialize the new variables above.
122         * genattrtab.c (write_test_expr, write_attr_value): Use
123         print_c_condition.
124         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
125         comment above the GCC_VERSION check.
126         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
127         Inline the definition of MAYBE_EVAL.
128         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
129         * genoutput.c (process_template): Likewise.
130         * genpreds.c (write_predicate_subfunction): Likewise.
131         (write_predicate_expr): Use print_c_condition.
132         * genrecog.c (write_cond): Likewise.
133         * gensupport.c (process_rtx): Use join_c_conditions to join the
134         conditions of a define_insn_and_split.  Record a source location
135         for the string after the "&&".
136         (alter_test_for_insn): Use join_c_conditions.
137
138 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
139
140         Revert for now:
141         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
142         PR tree-optimization/15784
143         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
144         and -1 - A to ~A.
145
146 2005-03-04  Ben Elliston  <bje@au.ibm.com>
147
148         * gcc.c (option_map): Add --coverage.
149         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
150         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
151         * config/darwin.h: Pass -lgcov for `coverage'.
152         * doc/invoke.texi (Debugging Options): Document --coverage.
153
154 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
155
156         * gcse.c (bypass_block): Use find_edge wherever possible.
157
158 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
159
160         Fix PR debug/20253
161         
162         * c-opts.c (c_common_parse_file): Call start_source_file
163         and end_source_file at the approriate times.
164
165         * dwarf2out.c (dwarf2out_finish): Don't auto-end
166         the main file, it will be done for us now.
167         
168 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
169
170         * fold-const.c (fold_ternary): New.
171         (fold): Call fold_ternary on ternary expressions.  Remove
172         handling of ternary expressions.
173
174 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
175
176         PR tree-optimization/15784
177         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
178         and -1 - A to ~A.
179
180 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
181
182         * config/rs6000/predicates.md (branch_comparison_operator):
183         Convert from C block to conditional format.
184
185 2005-03-03  Jan Hubicka  <jh@suse.cz>
186
187         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
188         and non-constant public variables.
189
190 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
191
192         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
193         with LABEL_EXPR.
194
195         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
196         EDGE_I.
197
198         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
199         calls to release_ssa_name and release_phi_node.
200
201         * fold-const.c (fold): Remove handling of unary expressions.
202
203         * fold-const.c (fold_unary): Avoid directly using the original
204         expression t as much as possible.
205
206 2005-03-03  Roger Sayle  <roger@eyesopen.com>
207             Andrew Pinski  <pinskia@physics.uc.edu>
208
209         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
210         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
211
212 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
213
214         Describe special registers SRP and MOF as allocatable registers.
215         * config/cris/cris.c (cris_md_asm_clobbers): New function.
216         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
217         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
218         TARGET_HAS_MUL_INSNS.
219         (cris_print_operand) <case 'd'>: New case.
220         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
221         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
222         define.
223         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
224         (REG_ALLOC_ORDER): Update for MOF.
225         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
226         SPECIAL_REGS.
227         (GENERAL_REGS): No longer a define of ALL_REGS.
228         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
229         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
230         Adjust accordingly.
231         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
232         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
233         (SECONDARY_RELOAD_CLASS): Define.
234         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
235         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
236         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
237         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
238         (REGISTER_MOVE_COST): Define.
239         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
240         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
241         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
242         (CRIS_MOF_REGNUM): New define_constants.
243         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
244         special registers.
245         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
246         New patterns.
247         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
248         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
249         Adjust for MOF being properly described as a register.
250         (indir_to_reg_split): Name this split.  Conditionalize on the
251         destination register being a general register.
252         (movei): Conditionalize on on operands 0 and 1 having the same
253         register class.
254
255 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
256
257         PR target/20277
258         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
259         -mcpu to override any other explicitly given flags.
260
261 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
262
263         * recog.c (verify_changes, confirm_change_group): New functions,
264         broken out of apply_change_group.
265         (apply_change_group): Use them.
266         * recog.h (verify_change, confirm_change_group): Declare.
267         * rtl.h (redirect_jump_2): Declare.
268         * jump.c (redirect_exp, invert_exp): Delete.
269         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
270         (redirect_jump_2): New function, broken out of redirect_jump.
271         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
272         (invert_jump): Use invert_jump_1 and redirect_jump_2.
273         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
274
275 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
276
277         * varasm.c (named_section): Use xstrdup rather than doing it by
278         hand.
279
280         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
281
282 2005-03-02  Devang Patel  <dpatel@apple.com>
283         
284         Undo PR tree-optimization/18815 fix.
285         
286 2005-03-02  Devang Patel  <dpatel@apple.com>
287
288         PR tree-optimization/18815
289         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
290         loops with zero exit edges.
291         
292 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
293
294         * cfg.c (connect_src, connect_dest, disconnect_src,
295         disconnct_dest): New.
296         (unchecked_make_edge, remove_edge, redirect_edge_succ,
297         redirect_edge_pred): Use the new functions.
298
299         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
300         free_dominance_info only when needed.
301
302 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
303
304         PR target/20276
305         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
306         (reg_or_sub_cint64_operand): Same.
307
308 2005-03-02  Jeff Law  <law@redhat.com>
309
310         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
311         CFG_ALTERED in the main DOM iteration loop.
312
313 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
314
315         PR c++/19916
316         * varasm.c (initializer_constant_valid_p): Allow conversions
317         between OFFSET_TYPEs.  Tidy.
318
319 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
320
321         * config/cris/cris.md ("return"): Remove epilogue delay list
322         sanity check.
323
324 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
325
326         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
327         for Thumb.
328         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
329
330 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
331
332         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
333         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
334         config/m68k/m68k.c, config/mips/mips.h,
335         config/rs6000/rs6000-protos.h, doc/contrib.texi,
336         doc/include/gcc-common.texi: Update copyright.
337
338         PR middle-end/18029 and PR middle-end/18030
339         * expr.c (optimize_bitfield_assignment_op): Add a special case
340         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
341
342         * fold-const.c (fold_unary): New.
343         (fold): Call fold_unary on unary expressions.
344
345 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
346
347         * cgraph.h (struct cgraph_edge): Add prev_caller and
348         prev_callee fields.
349         (cgraph_node_remove_callees): Export.
350         * cgraph.c (cgraph_create_edge): Initialize prev_caller
351         and prev_callee.
352         (cgraph_edge_remove_callee): New function.
353         (cgraph_edge_remove_caller): Likewise.
354         (cgraph_remove_edge): Use.
355         (cgraph_redirect_edge_callee): Likewise.
356         (cgraph_node_remove_callees): New function.
357         (cgraph_node_remove_callers): Likewise.
358         (cgraph_remove_node): Use.
359         * tree-optimize.c (tree_rest_of_compilation): Use
360         cgraph_node_remove_callees instead of manual loop.
361         * cgraphunit.c (cgraph_finalize_function): Likewise.
362         (cgraph_expand_function): Likewise.
363         (cgraph_remove_unreachable_nodes): Likewise.
364
365 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
366
367         PR c/8927
368         * c-tree.h (undeclared_variable, build_external_ref): Add extra
369         argument.
370         * c-decl.c (undeclared_variable): Take location as argument.
371         * c-typeck.c (build_external_ref): Likewise.
372         * c-parser.c (c_parser_postfix_expression): Pass location of
373         identifier to build_external_ref.
374
375 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
376
377         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
378         CCEQ mode for branch_positive_comparison_operator test.
379         * config/rs6000/predicates (branch_comparison_operator): Revert to
380         define_predicate.
381         (scc_comparison_operator): Same.
382         (branch_positive_comparison_operator): Same.
383
384 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
385
386         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
387         (cris_delay_slots_for_epilogue): Remove.
388         (save_last): Move into cris_target_asm_function_epilogue.
389         (cris_target_asm_function_epilogue): Remove tests for file being
390         NULL.
391         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
392         (cris_delay_slots_for_epilogue): Remove prototypes.
393         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
394         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
395
396 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
397
398         * config/rs6000/predicates.md (branch_comparison_operator): Change
399         to define_special_predicate.
400         (scc_comparison_operator): Same.
401         (branch_positive_comparison_operator): Same.
402
403 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
404
405         * Makefile.in (tree-ssa-sink.o): New.
406         (OBJS-common): Add tree-ssa-sink.o.
407         * common.opt: Add -ftree-sink
408         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
409         * timevar.def (TV_TREE_SINK): new timevar.
410         * tree-flow.h (is_hidden_global_store): Prototype.
411         * tree-optimize.c (init_tree_optimization_passes): Add
412         pass_sink_code.
413         * tree-pass.h (pass_sink_code): New.
414         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
415         for non-obvious global store store to is_hidden_global_store, and
416         call that new function.
417         * tree-ssa-sink.c: New file.
418         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
419         * doc/passes.texi: Document forward store motion.
420         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
421         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
422         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
423         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
424
425 2005-03-01  Per Bothner  <per@bothner.com>
426
427         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
428         and we have a non-zero column-number, add it to the message.
429         Also factor out the diagnostic_kind_text.
430
431 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
432
433         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
434         flow_loop_pre_header_scan, flow_loop_pre_header_find,
435         flow_loop_scan): Removed.
436         (flow_loop_dump): Do not dump removed fields.
437         (flow_loop_free): Do not free removed fields.
438         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
439         (loop_exit_edge_p): New function.
440         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
441         num_pre_header_edges, entry_edges, num_entries, exit_edges,
442         num_exits, exits_doms.
443         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
444         LOOP_EDGES, LOOP_ALL): Removed.
445         (flow_loop_scan): Declaration removed.
446         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
447         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
448         flow_loops_find.
449         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
450         (if_convert): Call flow_loops_find and flow_loops_free
451         when calling mark_loop_exit_edges.
452         * cfgloopanal.c (mark_loop_exit_edges): Moved from
453         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
454         free_dominance_info calls.
455         * loop-init.c (flow_loops_find): Ditto.
456         * passes.c (rest_of_handle_branch_prob): Ditto.
457         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
458         * loop-unroll.c (analyze_insns_in_loop): Do not use
459         EDGE_LOOP_EXIT.
460         * predict.c (predict_loops): Do not call flow_loop_scan.
461         Use get_loop_exit_edges.
462         (tree_estimate_probability): Do not pass flags to flow_loops_find.
463         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
464         Do not use EDGE_LOOP_EXIT.
465         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
466         to bb_with_exit_edge_p.
467         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
468         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
469         to bb_with_exit_edge_p.
470         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
471         EDGE_LOOP_EXIT.
472         * tree-loop-linear.c (linear_transform_loops): Do not call
473         flow_loop_scan.  Use loop->single_exit.
474         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
475         (vect_analyze_loop_form): Do not call flow_loop_scan.
476         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
477         loop->single_exit.
478         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
479         loop->single_exit.
480         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
481         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
482         slpeel_tree_duplicate_loop_to_edge_cfg,
483         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
484         Use loop_preheader_edge and loop->single_exit.  Do not call
485         flow_loop_scan.
486
487 2005-03-01  Nick Clifton  <nickc@redhat.com>
488
489         * config/arm/arm.c (thumb_find_work_register): Check all of the
490         argument registers to see if they are free, and a couple of
491         special cases where the last argument register but can be proved
492         to be available during the function's prologue.
493         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
494         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
495         thumb_unexpanded_epilogue): Use unsigned long as the type for the
496         register bit-mask.
497         (thumb_compute_save_reg_mask): Likewise.  Also use
498         thumb_find_work_register() to ensure that there is agreement about
499         which work register is going to be used in the prologue.
500         (thumb_output_function_prologue): Use unsigned long as the type
501         for the register bit-mask.  Also delay pushing the link register if
502         other high registers are going to be pushed.
503         (thumb_compute_save_reg_mask, emit_multi_reg_push,
504         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
505         redundant prototypes.
506
507 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
508
509         PR target/19819
510         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
511         and after reload in REG+REG indexed addresses without REG_POINTER
512         set in the base and not set in the index.
513
514 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
515
516         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
517         Don't undefine here.
518         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
519         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
520         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
521         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
522         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
523         Delete.
524         * config.gcc (sh*-*-linux*): Use config/linux.h.
525
526 2005-02-28  Dale Johannesen  <dalej@apple.com>
527             Stan Shebs  <shebs@apple.com>
528
529         Rewrite of 64-bit Darwin structure-by-value pass/return.
530         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
531         intoffset, use_stack, named.
532         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
533         (rs6000_darwin64_record_arg_advance_flush):  New.
534         (rs6000_darwin64_record_arg_advance_recurse): New.
535         (rs6000_darwin64_record_arg_flush):  New.
536         (rs6000_darwin64_record_arg_recurse):  New.
537         (rs6000_darwin64_record_arg):  New.
538         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
539         (function_arg_boundary):  Handle 128-bit aligned structs.
540         (function_arg_advance):  Rewrite darwin64 struct handling.
541         (function_arg):  Call rs6000_darwin64_record_arg.
542         (function_arg_partial_nregs):  Handle darwin64 structs.
543         (rs6000_darwin64_function_value):  Remove.
544         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
545
546 2005-02-28  Roger Sayle  <roger@eyesopen.com>
547
548         PR tree-optimization/20216
549         * tree-chrec.c (tree_fold_factorial): Delete.
550         (tree_fold_binomial): Change argument list to take a return type
551         and change the type of K to unsigned int.  Rewrite to avoid explicit
552         evaluation of factorials, and (recursively) calling fold to perform
553         compile-time arithmetic.  Return NULL on (internal) overflow.
554         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
555         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
556         if any intermediate calculation overflows.
557         (chrec_apply): Update call to chrec_evaluate.
558
559 2005-02-28  James E Wilson  <wilson@specifixinc.com>
560
561         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
562
563 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
564
565         PR c/20245
566         * c-parser.c (c_parser_compound_statement): Return error_mark_node
567         instead of NULL_TREE on error.
568
569 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
570
571         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
572         (EASY_VECTOR_15_ADD_SELF): Remove.
573         (num_insns_constant_wide): Not static.
574         (validate_condition_mode): Not static.
575         (toc_relative_expr_p): Not static.
576         (legitimate_indirect_address_p): Not static.
577         (macho_lo_sum_memory_operand): Not static.
578         (invalid_e500_subreg): Not static.
579         (easy_vector_same): Not static.
580         (easy_vector_splat_const): Not static.
581         (RS6000_SYMBOL_REF_TLS_P): Remove.
582         (any_operand): Delete.
583         (any_parallel_operand): Delete.
584         (count_register_operand): Delete.
585         (altivec_register_operand): Delete.
586         (xer_operand): Delete.
587         (s8bit_cint_operand): Delete.
588         (short_cint_operand): Delete.
589         (u_short_cint_operand): Delete.
590         (non_short_cint_operand): Delete.
591         (exact_log2_cint_operand): Delete.
592         (gpc_reg_operand): Delete.
593         (cc_reg_operand): Delete.
594         (cc_reg_not_cr0_operand): Delete.
595         (reg_or_short_operand): Delete.
596         (reg_or_neg_short_operand): Delete.
597         (reg_or_aligned_short_operand): Delete.
598         (reg_or_u_short_operand): Delete.
599         (reg_or_cint_operand): Delete.
600         (reg_or_arith_cint_operand): Delete.
601         (reg_or_add_cint64_operand): Delete.
602         (reg_or_sub_cint64_operand): Delete.
603         (reg_or_logical_cint_operand): Delete.
604         (got_operand): Delete.
605         (got_no_const_operand): Delete.
606         (easy_fp_constant): Delete.
607         (easy_vector_constant): Delete.
608         (easy_vector_constant_add_self): Delete.
609         (zero_constant): Delete.
610         (zero_fp_constant): Delete.
611         (volatile_mem_operand): Delete.
612         (offsettable_mem_operand): Delete.
613         (mem_or_easy_const_operand): Delete.
614         (add_operand): Delete.
615         (non_add_cint_operand): Delete.
616         (logical_operand): Delete.
617         (non_logical_cint_operand): Delete.
618         (mask_operand): Delete.
619         (mask_operand_wrap): Delete.
620         (mask64_operand): Delete.
621         (mask64_2_operand): Delete.
622         (and64_operand): Delete.
623         (and64_2_operand): Delete.
624         (and_operand): Delete.
625         (reg_or_mem_operand): Delete.
626         (lwa_operand): Delete.
627         (symbol_ref_operand): Delete.
628         (call_operand): Delete.
629         (current_file_function_operand): Delete.
630         (input_operand): Delete.
631         (rs6000_nonimmediate_operand): Delete.
632         (rs6000_tls_symbol_ref): Delete.
633         (save_world_operation): Delete.
634         (restore_world_operation): Delete.
635         (load_multiple_operation): Delete.
636         (store_multiple_operation): Delete.
637         (vrsave_operation): Delete.
638         (mfcr_operation): Delete.
639         (mtcrf_operation): Delete.
640         (lmw_operation): Delete.
641         (stmw_operation): Delete.
642         (branch_comparison_operator): Delete.
643         (branch_positive_comparison_operator): Delete.
644         (scc_comparison_operator): Delete.
645         (trap_comparison_operator): Delete.
646         (boolean_operator): Delete.
647         (boolean_or_operator): Delete.
648         (min_max_operator): Delete.
649         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
650         (EASY_VECTOR_15): Moved to here.
651         (EASY_VECTOR_15_ADD_SELF): Move to here.
652         (PREDICATE_CODES): Delete.
653         * config/rs6000/rs6000-protos.h: Delete predicate functions.
654         Declare functions no longer static.
655         * config/rs6000/predicates.md: New.
656         * config/rs6000/rs6000.md: Include predicates.md
657
658 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
659
660         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
661         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
662         REG_ALWAYS_RETURN.
663         * cfgrtl.c (need_fake_edge_p): Likewise.
664         * combine.c (distribute_notes): Likewise.
665         * emit-rtl.c (try_split): Likewise.
666         * recog.c (peephole2_opimize): Likewise.
667         * reg-notes.def (ALWAYS_RETURN): Remove.
668         * rtl.h (LCT_ALWAYS_RETURN): Remove.
669         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
670         * tree.h (ECF_ALWAYS_RETURN): Remove.
671
672 2005-02-28  Roger Sayle  <roger@eyesopen.com>
673
674         PR middle-end/19874
675         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
676         between different machine modes is never a "useless" conversion.
677
678 2005-02-28  Geert Bosch  <bosch@gnat.com>
679
680         PR ada/15977
681         * doc/contrib.texi: List contributors for Ada front end
682
683 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
684
685         * simplify-rtx.c (simplify_unary_operation_1,
686         simplify_const_unary_operation): New, extracted from...
687         (simplify_unary_operation): ... this one.
688         (simplify_binary_operation_1,
689         simplify_const_binary_operation): New, extracted from...
690         (simplify_binary_operation): ... this one.
691         * rtl.h (simplify_const_unary_operation,
692         simplify_const_binary_operation): Add prototypes.
693
694 2005-02-28  Julian Brown  <julian@codesourcery.com>
695
696         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
697         building libjava and caused PR regression/20228.
698
699 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
700
701         PR bootstrap/17383
702         * Makefile.in (host_subdir): New.
703         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
704         * configure: Regenerate.
705
706 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
707
708         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
709         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
710         installation directory first.
711
712 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
713
714         PR target/19065.
715         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
716         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
717         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
718         * config/cris/cris.md: Tweak comments referring to Q.
719         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
720         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
721         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
722         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
723         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
724         Insert spaces in constraints to align alternatives vertically for
725         readability.
726         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
727         operand 1: "M".
728
729 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
730
731         PR rtl-optimization/17728
732         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
733         operand 0 from general_operand to move_dest_operand.
734
735 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
736
737         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
738         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
739         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
740         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
741
742 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
743
744         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
745         * configure: Regenerate.
746         * libada-mk.in: Remove CC; rename
747         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
748
749 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
750
751         PR tree-opt/20188
752         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
753         for the lhs, also walk over the tree.  Likewise for rhs.
754
755 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
756
757         * tree-ssa-dom.c (simple_iv_increment_p): New function.
758         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
759         Do not propagate value of iv before increment over the increment.
760
761 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
762
763         * c-parser.c: New file.
764         * c-parse.in: Remove.
765         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
766         Remove.
767         (c-parser.o): Add dependencies.
768         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
769         maintainer-clean, TAGS): Update.
770         * c-config-lang.in (gtfiles): Update.
771         * gengtype-lex.l: Don't handle "@@".
772         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
773         objc_build_synchronized, objc_begin_try_stmt,
774         objc_begin_catch_clause, objc_finish_catch_clause,
775         objc_build_finally_clause, objc_finish_try_stmt): New.
776         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
777         type_seen_p.
778         (c_parse_init): Update comment.
779         * c-decl.c (c_init_decl_processing): Update comment.
780         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
781         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
782         new c_declspecs members.
783
784 2005-02-25  Julian Brown  <julian@codesourcery.com>
785
786         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
787         from being used for symbols with vague linkage when
788         HAVE_GAS_COMDAT_GROUP is true.
789
790 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
791
792         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
793
794 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
795
796         PR target/19930
797         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
798         (LIBGCC2_HAS_DF_MODE): New.
799         (LIBGCC2_HAS_XF_MODE): New.
800         (LIBGCC2_HAS_TF_MODE): New.
801         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
802         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
803         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
804         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
805         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
806         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
807         and add _fixtfdi, _fixunstfdi, _floatditf
808         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
809         L_fixunstfdi, L_floatditf.
810         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
811         (LIBGCC2_HAS_TF_MODE): Define.
812
813 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
814
815         PR tree-optimization/20204
816         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
817         REWRITE_THIS_STMT markers on PHI nodes.
818         (rewrite_initialize_block): Likewise.
819
820 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
821
822         * version.c (version_string): Update to 4.1.
823
824 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
825
826         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
827         Clarify that the alternative way doesn't work in GNU C++.
828
829 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
830
831         PR tree-optimization/19937
832         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
833         to the type of the induction variable.
834
835 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
836
837         PR rtl-optimization/20117
838         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
839         the block including noncopyable insn.
840
841 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
842
843         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
844         calls to find_reg_note.
845
846 2005-02-24  Richard Henderson  <rth@redhat.com>
847
848         PR tree-opt/20127
849         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
850         the type.
851
852 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
853
854         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
855         vector types if to use base reg for misaligned non-word ld/std.
856
857 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
858
859         PR target/14619
860         * config/cris/cris.c (cris_target_asm_function_prologue): Create
861         dwarf2 label manually and put it after, not before the prologue.
862
863 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
864
865         PR target/19019
866         * reload.c (operands_match_p): Only increment register number for
867         SCALAR_INT_MODE_P modes in multiple hard registers.
868
869         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
870         Fix formatting.
871
872 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
873
874         * ChangeLog.5: Fix log message typo(s).
875         * ChangeLog.7: Likewise.
876         * ChangeLog.tree-ssa: Likewise.
877         * cfgexpand.c: Fix comment typo(s).
878         * conflict.c: Likewise.
879         * defaults.h: Likewise.
880         * dwarf2out.c: Likewise.
881         * gcse.c: Likewise.
882         * ggc-page.c: Likewise.
883         * tree-eh.c: Likewise.
884         * tree-ssa-dom.c: Likewise.
885
886 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
887
888         PR target/19019
889         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
890         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
891         if SHARED is defined.
892
893         PR target/20196
894         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
895         allow splitting only if operands 0 and 3 don't overlap.
896
897 2005-02-24  Richard Henderson  <rth@redhat.com>
898
899         PR middle-end/19953
900         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
901         (fold_builtin_1): Call them.
902         * fold-const.c (fold_complex_mult_parts): Split out from ...
903         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
904         (fold_complex_div_parts, fold_complex_div): New.
905         (fold): Use them.
906         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
907
908 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
909
910         * tree-ssa-ccp.c (visit_assignment): Verify that result of
911         VIEW_CONVERT_EXPR is_gimple_min_invariant.
912
913         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
914         (print_node): Likewise.
915         Print TYPE_SIZES_GIMPLIFIED.
916
917 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
918
919         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
920         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
921         operands as commutative in constraints.
922
923 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
924
925         * tree-into-ssa.c: Re-organize internal functions.
926
927 2005-02-24  Richard Henderson  <rth@redhat.com>
928
929         PR middle-end/18902
930         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
931         for c99.
932         * common.opt (fcx-limited-range): New.
933         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
934         * toplev.c (flag_complex_method): Initialize to 1.
935         (process_options): Set flag_complex_method to 0 if
936         flag_cx_limited_range.
937         * doc/invoke.texi (-fcx-limited-range): New.
938
939 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
940
941         * cse.c (delete_trivially_dead_insns): Speed up by using
942         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
943         prev_real_insn.
944
945 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
946
947         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
948         functions when -mid-shared-library is being used.
949
950 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
951
952         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
953         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
954         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
955         * system.h: Poison LINK_LIBGCC_SPECIAL.
956
957 2005-02-23  James E Wilson  <wilson@specifixinc.com>
958
959         * gengtype.c (note_insn_name): Make 1 element larger.
960
961 2005-02-23  Roger Sayle  <roger@eyesopen.com>
962
963         PR target/20018
964         PR rtl-optimization/20097
965         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
966         BImode SUBREGs of SImode registers which confuse the ia64 backend.
967
968 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
969
970         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
971         * t-aix52 (SHLIB_INSTALL): Same.
972
973 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
974
975         * genpreds.c: Update copyright.
976
977 2005-02-23  Michael Beach  <michaelb@ieee.org>
978
979         PR target/20159
980         * config/sparc/t-elf (startup files): Assemble with CPP.
981
982 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
983
984         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
985         (write_predicate_expr): Likewise.
986
987 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
988
989         PR tree-optimization/20100
990         PR tree-optimization/20115
991         * tree-optimize.c (init_tree_optimization_passes): Remove
992         pass_maybe_create_global_var.
993         * tree-pass.h (pass_maybe_create_global_var): Remove.
994         * tree-ssa-alias.c (aliases_computed_p): Declare.
995         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
996         (count_calls_and_maybe_create_global_var): Remove.
997         (pass_maybe_create_global_var): Remove.
998         (init_alias_info): Do not declare aliases_computed_p.
999         (maybe_create_global_var): If the function contains no
1000         call-clobbered variables and a mix of pure/const and regular
1001         function calls, create .GLOBAL_VAR.
1002         Mark all call-clobbered variables for renaming.
1003         (merge_pointed_to_info): Update comment.
1004         (add_pointed_to_var): Likewise.
1005         (is_escape_site): Likewise.
1006         Accept struct alias_info * instead of size_t *.
1007         Update all users.
1008         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1009         as necessary.
1010         * tree-ssa-operands.c (get_call_expr_operands): If
1011         ALIASES_COMPUTED_P is false, do not add call-clobbering
1012         operands.
1013         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1014         (delete_tree_ssa): Likewise.
1015
1016 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1017
1018         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1019         (do_compile): Do call it here.
1020
1021 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1022
1023         PR rtl-optimization/20017.
1024         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1025         rest_of_handle_cse2, rest_of_handle_gcse): Call
1026         delete_dead_jumptables immediately before calling cleanup_cfg.
1027
1028 2005-02-22  Devang Patel  <dpatel@apple.com>
1029
1030         PR 19952
1031         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1032         all labels
1033
1034 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1035
1036         * config/rs6000/aix.h (WINT_TYPE): Define.
1037
1038 2005-02-22  Stan Shebs  <shebs@apple.com>
1039
1040         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1041         natural alignment for 64-bit Darwin.
1042         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1043         on 64-bit Darwin.
1044         * doc/invoke.texi: Document this.
1045
1046 2005-02-22  DJ Delorie  <dj@redhat.com>
1047
1048         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1049         to make_[un]signed_type, not the mode itself.
1050
1051 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1052
1053         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1054         not available.  Use tail calls wherever possible.
1055         (make_edge): Call unchecked_make_edge to create an edge.
1056
1057         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1058         (coalesce_ssa_name): Don't check for
1059         SSANORM_USE_COALESCE_LIST.
1060         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1061
1062 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1063
1064         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1065         (rewrite_into_ssa): ... here.
1066
1067 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1068
1069         PR tree-optimization/19786
1070         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1071         tag to another's may-alias bitmap when adding to the other's list.
1072
1073 2005-02-21  DJ Delorie  <dj@redhat.com>
1074
1075         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1076         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1077         registers in unsupported ways.
1078         * expmed.c (init_expmed): Likewise.
1079
1080 2005-02-21  Stan Cox  <scox@redhat.com>
1081
1082         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1083
1084 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1085
1086         * tree-cfg.c (fold_cond_expr_cond): New.
1087         (make_edges): Call fold_cond_expr_cond.
1088         (find_taken_edge): Accept nothing but INTEGER_CST.
1089         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1090         and 1.
1091         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1092
1093         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1094         that do not belong to any basic block.
1095
1096 2005-02-21  Jeff Law  <law@redhat.com>
1097
1098         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1099         e->dest.
1100
1101 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1102
1103         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1104         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1105         Adjust their definitions.
1106         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1107         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1108
1109         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1110         genautomata.c, langhooks.c, langhooks.h, system.h,
1111         config/arm/lib1funcs.asm: Update copyright.
1112
1113 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1114
1115         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1116
1117 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1118
1119         PR bootstrap/13770
1120         * doc/install.texi: Document --with-gc.
1121
1122 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1123
1124         * simplify-rtx.c (simplify_unary_operation): Add a missing
1125         "break" statement.
1126
1127 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1128
1129         PR tree-optimization/18663
1130         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1131         if the type has variable bounds.
1132
1133 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1134
1135         * gcse.c: Remove an obsolete comment.
1136
1137         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1138
1139 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1140
1141         * doc/extend.texi (Function Attributes) <Attribute const>: The
1142         attribute "pure" is below this text, not above.
1143
1144 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1145
1146         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1147         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1148         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1149
1150 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1151
1152         PR 18785
1153         * langhooks.h (struct lang_hooks): Add to_target_charset.
1154         * langhooks.c (lhd_to_target_charset): New function.
1155         * langhooks-def.h: Declare lhd_to_target_charset.
1156         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1157         (LANG_HOOKS_INITIALIZER): Update.
1158         * c-common.c (c_common_to_target_charset): New function.
1159         * c-common.h: Declare it.
1160         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1161         c_common_to_target_charset.
1162
1163         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1164         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1165         Delete definitions.
1166         * system.h: Poison them.
1167         * doc/tm.texi: Don't discuss them.
1168         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1169         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1170         (pp_c_char): Do not attempt to generate letter escapes for
1171         newline, tab, etc.
1172         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1173         * config/mips/mips.c (mips_output_ascii): Likewise.
1174
1175 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1176
1177         PR tree-optimization/19951
1178         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1179         is abnormal.
1180
1181 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1182
1183         PR middle-end/19698
1184         * function.h (struct function): New field `max_loop_depth'.
1185         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1186         (flow_loops_find): Reset the max loop depth count before finding loops.
1187         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1188         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1189         (calculate_global_regs_live): Make sure the loop will terminate
1190         when the initial sets are not empty.
1191
1192 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1193
1194         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1195         object inside.
1196         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1197
1198 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1199
1200         PR other/19525
1201         * doc/invoke.texi: Remove documentation of %M spec.
1202         * gcc.c: Likewise.
1203         (init_spec): Remove %M suffix from -lgcc_s.
1204         (do_spec_1): Remove 'M' case.
1205         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1206         to put shared libraries in the multilib directory.  Remove the
1207         shlib_so_soname substitution variable.  Don't add a multilib encoding
1208         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1209         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1210         SHLIB_INSTALL as well as SHLIB_LINK.
1211         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1212         (SHLIB_NAME): Delete.
1213         (SHLIB_DIR): New macro.
1214         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1215         (SHLIB_INSTALL): Adjust accordingly.
1216         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1217         * config/t-slibgcc-sld: Likewise.
1218         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1219         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1220         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1221         in $(SHLIB_DIR).
1222         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1223         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1224         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1225         Use @shlib_base_name@ instead of @shlib_so_name@.
1226         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1227         and @shlib_base_name@.so in @multilib_dir@.
1228         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1229         to the install path.
1230         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1231         (SHLIB_LINK): Remove previous workaround.
1232         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1233         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1234         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1235         the install path.
1236         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1237         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1238         (SHLIB_INSTALL): Adjust accordingly.
1239         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1240         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1241         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1242         config/t-slibgcc-elf-ver.
1243
1244 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1245             Jakub Jelinek  <jakub@redhat.com>
1246
1247         PR tree-optimization/19828
1248         * tree-ssa-loop-im.c: Add a TODO comment.
1249         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1250         without side-effects.
1251
1252 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1253
1254         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1255         call fold_convert.
1256
1257 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1258
1259         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1260         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1261         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1262         functions.
1263         (ia64_reorg): Delete fixup_errata call.
1264         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1265         (TARGET_SWITCHES): Delete -mb-step entry.
1266
1267 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1268
1269         PR c/20043
1270         * c-typeck.c (composite_type): Handle quals in transparent unions.
1271         (type_lists_compatible_p): Likewise.
1272
1273 2005-02-18  Stan Shebs  <shebs@apple.com>
1274
1275         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1276         expressions in the .literal8 section.
1277
1278 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1279
1280         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1281
1282 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1283
1284         * fold-const.c (constant_boolean_node): Always create values of the
1285         specified type, don't bother calling truthvalue_conversion.
1286
1287 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1288
1289         * except.c (output_function_exception_table): Call
1290         assemble_external_libcall (eh_personality_libfunc).
1291
1292 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1293
1294         PR target/19886
1295         * config/ia64/ia64.h (struct machine_function): Add state_num.
1296         * config/ia64/ia64.c (process_epilogue,
1297         process_for_unwind_directive): Use new unwind state numbers each
1298         time rather than state 1.
1299
1300 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1301
1302         PR target/20054
1303         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1304         before the "*llgt_didi" pattern.
1305
1306 2005-02-18  Jason Merrill  <jason@redhat.com>
1307
1308         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1309
1310 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1311
1312         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1313         (div0): Use it in place of ARM_FUNC_ALIAS.
1314         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1315
1316 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1317
1318         PR middle-end/20030
1319         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1320         access, the lower bound of the array type if it exists.
1321
1322 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1323
1324         PR c++/20008
1325         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1326         cases that are out-of-range for the index type.
1327
1328 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1329
1330         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1331         (estimate_case_costs): Don't call convert.
1332         * expmed.c (expand_shift): Likewise.
1333         (make_tree): Call fold_convert instead of convert.
1334
1335 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1336
1337         PR c++/19813
1338         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1339         that ref to be marked MEM_READONLY_P doesn't have base that needs
1340         constructing.
1341
1342 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1343
1344         * genautomata.c (output_get_cpu_unit_code_func,
1345         output_cpu_unit_reservation_p): Don't generate old-style function
1346         definitions.
1347
1348 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1349
1350         PR c++/20023
1351         PR tree-optimization/20009
1352         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1353
1354         PR tree-optimization/18947
1355         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1356         inline, remove all nodes that are inlined into the extern inline
1357         being redefined.
1358
1359 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1360
1361         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1362         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1363         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1364         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1365         Update copyright.
1366
1367 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1368
1369         PR tree-optimization/19917
1370         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1371         to be potentially trapping.
1372
1373 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1374
1375         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1376
1377 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1378
1379         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1380         tem becomes a local variable which is set to the value of the
1381         back end defined INITIAL_FRAME_ADDRESS macro.
1382         (expand_builtin_frame_address): Omit the base parameter to
1383         expand_builtin_return_addr.
1384         (expand_builtin_profile_func): Likewise.
1385         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1386         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1387         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1388
1389 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1390
1391         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1392         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1393         * config/frv/frv.c (frv_function_epilogue): Likewise.
1394
1395 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1396
1397         * lambda-code (perfect_nestify): Remove mark/unmark
1398         for rewriting hack.
1399         * tree-loop-linear.c (linear_transform_loops): Add
1400         rewrite_into_ssa call so that ssa is correct for
1401         rewriting into loop closed.
1402
1403 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1404
1405         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1406         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1407         BITMAP_FREE.
1408         * bt-load.c (btr_def_live_range, combine_btr_defs,
1409         migrate_btr_def, migrate_btr_defs): Likewise.
1410         * cfgcleanup.c (thread_jump): Likewise.
1411         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1412         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1413         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1414         df_rd_local_compute, df_reg_info_compute): Likewise.
1415         * dominance.c (init_dom_info, free_dom_info): Likewise.
1416         * flow.c (init_propagate_block_info,
1417         free_propagate_block_info): Likewise.
1418         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1419         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1420         modify_reg_pav): Likewise.
1421         * loop-invariant.c (find_defs, find_invariant_insn,
1422         find_invariants, free_inv_motion_data): Likewise.
1423         * predict.c (tree_predict_by_opcode,
1424         estimate_bb_frequencies): Likewise.
1425         * stmt.c (expand_case): Likewise.
1426         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1427         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1428         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1429         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1430         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1431         rewrite_ssa_into_ssa): Likewise.
1432         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1433         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1434         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1435         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1436         * tree-sra.c (tree_sra): Likewise.
1437         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1438         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1439         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1440         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1441         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1442         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1443         Likewise.
1444         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1445         calculate_live_on_entry, calculate_live_on_exit,
1446         build_tree_conflict_graph): Likewise.
1447         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1448         record_important_candidates, set_use_iv_cost, find_depends,
1449         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1450         tree_ssa_iv_optimize_finalize): Likewise.
1451         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1452         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1453         tree_duplicate_loop_to_header_edge): Likewise.
1454         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1455         * tree-ssa.c (verify_flow_insensitive_alias_info,
1456         verify_name_tags, verify_ssa, init_tree_ssa,
1457         delete_tree_ssa): Likewise.
1458         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1459         fini_ssanames): Likewise.
1460         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1461
1462 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1463
1464         * config/rs6000/t-rtems: Completely reworked.
1465
1466 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1467
1468         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1469
1470 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1471
1472         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1473         POINTER_TYPE_P when checking that type is a pointer.
1474         (vect_get_memtag): Remove.
1475         (vect_address_analysis): Use POINTER_TYPE_P. Call
1476         vect_object_analysis with dummy parameter for memtag.
1477         (vect_object_analysis): Extract memtag (functionality that
1478         used to be in vect_get_memtag and moved here). Fix printings.
1479         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1480         with correct parameters. Remove call to vect_get_memtag.
1481
1482 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1483
1484         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1485         (tree-vectorizer.o): Added missing dependencies.
1486
1487         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1488         decleration.
1489         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1490         declaration in tree-vectorizer.c, now has an extern declaration in
1491         tree-vectorizer.h).
1492         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1493         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1494         get_vectype_for_scalar_type, vect_is_simple_use,
1495         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1496         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1497         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1498         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1499         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1500         find_loop_location): Likewise.
1501
1502         * tree-vectorizer.c (langhooks.h): #include removed.
1503         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1504         moved to tree-vectorized.h.
1505         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1506         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1507         get_vectype_for_scalar_type, vect_is_simple_use,
1508         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1509         vect_supportable_dr_alignment, new_loop_vec_info,
1510         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1511         vect_set_verbosity_level, find_loop_location): Likewise.
1512
1513         (vect_analyze_loop): Function externalized. Declaration moved to
1514         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1515         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1516         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1517         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1518         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1519         vect_enhance_data_refs_alignment, vect_analyze_operations,
1520         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1521         vect_stmt_relevant_p, vect_get_loop_niters,
1522         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1523         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1524         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1525         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1526         vect_get_memtag): Likewise.
1527
1528         (vectorizable_load): Function externalized. Declaration moved to
1529         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1530         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1531         vect_transform_loop): Likewise.
1532         (vect_transform_stmt): Moved to tree-vect-transform.c.
1533         (vect_align_data_ref, vect_create_destination_var,
1534         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1535         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1536         vect_get_vec_def_for_operand, vect_init_vector,
1537         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1538         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1539         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1540         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1541         vect_do_peeling_for_loop_bound): Likewise.
1542
1543         * tree-vect-analyze.c: New file.
1544         * tree-vect-transform.c: New file.
1545
1546 2005-02-17  Jason Merrill  <jason@redhat.com>
1547
1548         PR mudflap/19319, c++/19317
1549         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1550         slot explicit.
1551
1552 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1553
1554         * doc/install.texi (Specific): Update link for Darwin-specific
1555         tool binary site.
1556
1557 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1558
1559         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1560         constant_boolean_node.
1561
1562 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1563
1564         PR target/19019
1565         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1566         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1567
1568 2005-02-16  Richard Henderson  <rth@redhat.com>
1569
1570         PR 19920
1571         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1572         with W_TYPE_SIZE.
1573         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1574         replace uses with Wtype_MAXp1_F.
1575         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1576         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1577         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1578         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1579         and HAVE_TFMODE as appropriate.
1580         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1581         (__floatdisf): Likewise.
1582         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1583         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1584         (Wtype_MAXp1_F): New.
1585         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1586         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1587
1588 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1589
1590         * PR target/19162
1591         * arm.c (arm_apply_result_size): New function.
1592         * arm.h (APPLY_RESULT_SIZE): Define.
1593         * arm-protos.h (arm_apply_result_size): Add prototype.
1594         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1595         (movxf): New expand.
1596         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1597         (call_value_symbol): Remove predicate for operand 0.
1598         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1599         (untyped_call): Rework to correclty return values for any type.
1600         (untyped_return): New expand.
1601         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1602
1603 2005-02-16  Stan Shebs  <shebs@apple.com>
1604
1605         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1606         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1607
1608 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1609
1610         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1611         configure settings on Solaris 7 and later.
1612
1613 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1614
1615         PR tree-optimization/19865
1616         * tree-optimize.c (init_tree_optimization_passes): Run
1617         pass_may_alias after pass_sra.
1618
1619 2005-02-16  Richard Henderson  <rth@redhat.com>
1620             Stuart Hastings  <stuart@apple.com>
1621
1622         PR debug/19521
1623         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1624         Do nothing if debug info suppressed for this function.
1625         (dbxout_begin_function): Early exit if debug info suppressed for
1626         this function.
1627
1628 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1629
1630         PR target/20007
1631         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1632         find_basic_blocks.
1633         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1634
1635         PR tree-optimization/19967
1636         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1637         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1638         argument TYPE.  Adjust calls to fold_builtin_XXX.
1639         (expand_builtin, fold_builtin_1): Adjust calls to
1640         expand_builtin_XXX.
1641         (fold_builtin_strchr, fold_builtin_strpbrk,
1642         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1643         result to a requested type TYPE.
1644
1645 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1646
1647         PR middle-end/19857
1648         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1649         (T)x & (T)cst if (T)cst overflows.
1650         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1651         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1652
1653 2005-02-15  Jeff Law  <law@redhat.com>
1654
1655         * gcse.c (blocks_with_calls): New bitmap.
1656         (alloc_gcse_mem): Allocate it.
1657         (free_gcse_mem): Free it.
1658         (clear_modifY_mem_tables): Clear it.
1659         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1660         when we encounter CALL_INSNs.
1661         (compute_transp, case MEM): Handle blocks with calls separate
1662         from blocks without calls.  Use bitmap iterators rather than
1663         FOR_EACH_BB.
1664
1665 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1666
1667         PR bootstrap/18810
1668         * mklibgcc.in (vis_hide): Use a temporary object file, not
1669         -o /dev/null.
1670
1671 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1672
1673         PR target/19924
1674         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1675         access optimization.
1676
1677 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1678             Alan Modra  <amodra@bigpond.net.au>
1679
1680         PR target/19019
1681         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1682         (_xlqsub): Rename to __gcc_qsub.
1683         (_xlqmul): Rename to __gcc_qmul.
1684         (_xlqdiv): Rename to __gcc_qdiv.
1685         Provide versioned symbol aliases with old names.
1686         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1687         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1688         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1689         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1690         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1691
1692 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1693
1694         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1695         Fold ~(A - 1) and ~(A + -1) to -A.
1696
1697 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1698
1699         PR pch/14940
1700         PR target/19300
1701         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1702         config/pa/pa-host.c:pa_gt_pch_use_address.
1703
1704 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1705
1706         * tree-vn.c (get_value_handle): Make sure that given an
1707         is_gimple_min_invariant expression, we always return it.
1708
1709 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1710
1711         * passes.c (rest_of_handle_gcse): Fix a comment.
1712
1713 2005-02-15  Jeff Law  <law@redhat.com>
1714
1715         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1716         bitmap.
1717         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1718         (canon_list_insert, record_last_mem_set_info): Similarly.
1719         (clear_modify_mem_tables): Similarly.
1720
1721 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1722
1723         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1724         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1725         config/mips/mips.md, config/rs6000/aix.h,
1726         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1727
1728 2005-02-15  Richard Henderson  <rth@redhat.com>
1729
1730         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1731         call to be best_edge.
1732
1733 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1734
1735         * basic-block.h: Adjust the prototype for find_basic_blocks.
1736         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1737         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1738         find_basic_blocks.
1739
1740         * flow.c (recompute_reg_usage): Remove all arguments.
1741         * passes.c (rest_of_compilation): Adjust the call to
1742         recompute_reg_usage.
1743         * rtl.h: Adjust the prototype for recompute_reg_usage.
1744
1745 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1746
1747         * tree-dump.c (dump_files): Update to reflect new member
1748         of dump_file_info.
1749         (dump_register): Add new argument.
1750         Set glob name.
1751         (dump_switch_p_1): Check against glob name if doglob was passed.
1752         (dump_switch_p): Check against regular first, then glob if
1753         we didn't have any hits on the dump name.
1754         * tree-optimize.c (register_one_dump_file):
1755         Pass in glob name as well.
1756         * tree-pass.h (struct dump_file_info): Add glob
1757         member.
1758
1759 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1760
1761         PR preprocessor/16323
1762         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1763
1764 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1765
1766         PR target/19019
1767         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1768         (trunctfdf2_internal1): New.
1769         (trunctfdf2_internal2): Renamed from trunctfdf2.
1770
1771 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1772
1773         PR tree-optimization/19853
1774         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1775
1776 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1777
1778         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1779         delete_dead_jumptables and cleanup_cfg.
1780
1781 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1782
1783         * reload.c (find_reloads): Swap address_reloaded flags when
1784         swapping commutative operands.
1785
1786 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1787
1788         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1789         Use standard_iv_increment_position for computing the bsi position
1790         for create_iv.
1791         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1792         the bsi position.
1793
1794 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1795
1796         PR target/17428
1797         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1798         life range of hard registers.
1799         * value-prof.c (insn_prefetch_values_to_profile): Only
1800         scan normal insns.
1801
1802         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1803         profile in libcalls.
1804
1805 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1806
1807         * bitmap.h (bitmap_and_compl_into): Return bool.
1808         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1809
1810 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1811
1812         PR tree-optimization/19944
1813         * fold-const.c (fold): Re-add ABS_EXPR folding.
1814
1815 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1816
1817         PR target/19019
1818         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1819         {TARGET,MASK}_XL_COMPAT.
1820         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1821         MASK_XL_COMPAT.
1822         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1823         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1824         TARGET_XL_COMPAT.
1825         (rs6000_arg_partial_bytes): Same.
1826         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1827         and XL compatibility enabled.
1828         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1829         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1830         test to final condition.
1831         (cmptf_internal2): New.
1832         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1833         xl-compat.  Add TFmode information to description.
1834
1835 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1836
1837         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1838
1839 2005-02-13  Jason Merrill  <jason@redhat.com>
1840
1841         PR c++/16405
1842         * fold-const.c (fold_indirect_ref_1): Split out from...
1843         (build_fold_indirect_ref): Here.
1844         (fold_indirect_ref): New fn.
1845         * tree.h: Declare it.
1846         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1847         (gimplify_modify_expr_rhs): Likewise.
1848         (gimplify_expr): Likewise.
1849
1850 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1851
1852         PR tree-optimization/14303
1853         PR tree-optimization/15784
1854         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1855         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1856         ABS_EXPR<x> != 0 to x != 0.
1857
1858 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1859
1860         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1861         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1862         spelling conventions.
1863
1864         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1865         delete_trivially_dead_insns too many times.
1866
1867         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1868         tem and tem2.
1869
1870 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1871
1872         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1873         (vect_is_simple_iv_evolution): Remove redundant parameter
1874         and step check.
1875         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1876         without last parameter.
1877         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1878         Return pointer step. Call vect_is_simple_iv_evolution without
1879         last parameter. Check only that the step is multiple of size
1880         type. Remove stmt_vinfo updates.
1881         (vect_get_memtag_and_dr): Remove.
1882         (vect_get_memtag): New function.
1883         (vect_address_analysis): New function.
1884         (vect_object_analysis): New function.
1885         (vect_analyze_data_refs): Call vect_object_analysis and
1886         vect_get_memtag. Update stmt_vinfo fields.
1887
1888 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1889
1890         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1891         exist and are objects. Remove checks for pointer.
1892         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1893         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1894         (vect_create_data_ref_ptr): Likewise.
1895         (vect_base_addr_differ_p): New function.
1896         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1897         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1898         Don't set the DR_BASE_NAME field of data-ref.
1899         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1900
1901 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1902
1903         * optabs.h (enum optab_index): Add new OTI_ldexp.
1904         (ldexp_optab): Define corresponding macro.
1905         * optabs.c (init_optabs): Initialize ldexp_optab.
1906         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1907         patterns.
1908         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1909         using ldexp_optab.
1910         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1911         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1912
1913         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1914         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1915         intrinsics.
1916
1917 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1918
1919         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1920         to base_address.
1921         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1922         stmt_vec_info.
1923         (vect_get_base_and_offset): Always return an address.
1924         (vect_create_addr_base_for_vector_ref): Remove treatment for
1925         different data reference types.
1926         (vect_compute_data_ref_alignment): Rename base to base_address in
1927         stmt_vec_info. Get the object in order to force its alignment.
1928         (vect_get_memtag_and_dr): Rename base to base_address in
1929         stmt_vec_info. Extract the object for memtag analysis.
1930
1931 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1932
1933         PR regression/19898.
1934         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1935         changes cc_status, use apply modified_in_p to part of cc_status
1936         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1937         body.
1938
1939 2005-02-11  Richard Henderson  <rth@redhat.com>
1940
1941         * tree-complex.c (expand_complex_libcall): New.
1942         (expand_complex_multiplication): Use it for c99 compliance.
1943         (expand_complex_division): Likewise.
1944         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1945         (fold): Call them.
1946         * builtins.c (built_in_names): Remove const.
1947         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1948         builtins.
1949         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1950         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1951         (built_in_names): Remove const.
1952         * c-common.c (c_common_type_for_mode): Handle complex modes.
1953         * flags.h, toplev.c (flag_complex_method): Rename from
1954         flag_complex_divide_method.
1955         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1956         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1957         * libgcc2.h: Declare them.
1958         * libgcc-std.ver: Export them.
1959         * mklibgcc.in (lib2funcs): Build them.
1960
1961 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1962
1963         PR tree-optimization/19876
1964         Partially revert my change from 2005-01-14
1965         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1966         (compute_antic): ...and remove the loop here.
1967
1968 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1969
1970         PR middle-end/19858
1971         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1972         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1973
1974         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1975         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1976
1977 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1978
1979         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1980         offsets for the big-endian 32-bit case.
1981
1982 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1983
1984         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1985
1986 2005-02-11  Dale Johannesen  <dalej@apple.com>
1987
1988         * cselib.c (cselib_process_insn):  Clear out regs where
1989         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1990         * reload.c (find_equiv_reg): Ditto.
1991
1992 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1993
1994         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1995         with no elements.
1996
1997         * tree.c (build_function_type_list): Work correctly if there are
1998         no arguments.
1999
2000 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2001
2002         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2003         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2004         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2005         TARGET_ZARCH instead of TARGET_64BIT.
2006
2007 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2008
2009         * config/rs6000/t-rtems:
2010         (MULTILIB_OPTIONS): Remove mcpu=602.
2011         (MUTLILIB_DIRNAMES): Remove m602.
2012         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2013         Let mcpu=602 match mcpu=603.
2014         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2015
2016 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2017
2018         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2019         signal trampolines.
2020
2021 2005-02-10  David Daney  <ddaney@avtrex.com>
2022
2023         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2024         * config/i386/linux-unwind.h: Likewise.
2025         * config/ia64/linux-unwind.h: Likewise.
2026         * config/mips/linux-unwind.h: Likewise.
2027         * config/pa/linux-unwind.h: Likewise.
2028         * config/rs6000/linux-unwind.h: Likewise.
2029         * config/s390/linux-unwind.h: Likewise.
2030         * config/sh/linux-unwind.h: Likewise.
2031         * config/sparc/linux-unwind.h: Likewise.
2032
2033 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2034
2035         PR tree-optimization/17549
2036         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2037         TER to replace a DEF with its expression if the DEF and the
2038         rhs of the expression we replace into have the same root
2039         variable.
2040
2041 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2042
2043         * config/mips/mips.md: Fix the placement of the match_scratch in the
2044         lea64 peephole2.
2045
2046 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2047
2048         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2049         Fix comment typos.
2050
2051 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2052
2053         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2054         (strip_offset): Handle addresses.
2055         (add_address_candidates): Use strip_offset.
2056         (difference_cost): Reflect strip_offset change.
2057         (force_var_cost, difference_cost): Strip nops.
2058
2059 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2060
2061         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2062
2063         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2064         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2065         config/cris/cris-protos.h, config/cris/cris.c: Update
2066         copyright.
2067
2068 2005-02-10  Jeff Law  <law@redhat.com>
2069
2070         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2071         (lookup_avail_expr): Similarly.
2072
2073 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2074
2075         * builtins.c (fold_builtin_powi): New function.
2076         (fold_builtin_1): Call it.
2077
2078 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2079
2080         PR documentation/19309
2081         * doc/cpp.texi: The __GNUC__ and related predefined macros
2082         are also defined for the "standalone" cpp.
2083         Some non-GCC compilers may also define __GNUC__.
2084
2085 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2086
2087         PR c/19342
2088         * c-typeck.c (common_type): New routine.  Old common_type renamed
2089         to...
2090         (c_common_type): ...this.
2091         (build_conditional_expr, build_binary_op): Use c_common_type instead
2092         of common_type.
2093
2094 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2095
2096         * doc/md.texi: Replace @samp{length} with @code{length}.
2097
2098 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2099
2100         PR tree-optimization/18687
2101         * tree-flow.h (find_loop_niter): Declare.
2102         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2103         Try using scev even for loops with more than one exit.
2104         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2105         (struct ivopts_data): Added niters field.
2106         (struct nfe_cache_elt): New.
2107         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2108         functions.
2109         (tree_ssa_iv_optimize_init): Initialize niters cache.
2110         (determine_number_of_iterations): Removed.
2111         (find_induction_variables): Do not call determine_number_of_iterations.
2112         Access niters for single exit through niter_for_single_dom_exit.
2113         (add_iv_outer_candidates): Access niters for single exit through
2114         niter_for_single_dom_exit.
2115         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2116         number_of_iterations_cond.
2117         (iv_period): New function.
2118         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2119         (may_replace_final_value): Take data argument.  Use
2120         niter_for_single_dom_exit.
2121         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2122         (rewrite_use_compare): Pass data to may_eliminate_iv.
2123         (rewrite_use_outer): Pass data to may_replace_final_value.
2124         (free_loop_data): Clean up the niters cache.
2125         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2126         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2127         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2128         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2129         (num_ending_zeros): Moved to tree.c.
2130         * tree.h (num_ending_zeros): Declare.
2131         * tree.c (num_ending_zeros): Moved from tree.c.
2132
2133 2005-02-09  Richard Henderson  <rth@redhat.com>
2134
2135         * builtins.c (DEF_BUILTIN): Add COND argument.
2136         * tree.h (DEF_BUILTIN): Likewise.
2137         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2138         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2139         match.
2140         (DEF_BUILTIN_STUB): New.
2141         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2142         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2143         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2144         * c-common.c (DEF_BUILTIN): Add COND argument.
2145         * tree.c (local_define_builtin): New.
2146         (build_common_builtin_nodes): New.
2147
2148 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2149
2150         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2151         floating point expression ignoring the sign of the result.
2152         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2153         (fold) <MULT_EXPR>: Use it to simplify x*x.
2154         * tree.h (fold_strip_sign_ops): Prototype here.
2155         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2156         argument.  Use fold_strip_sign_ops to simplify the first argument.
2157         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2158         first argument when the second argument is an even integer
2159         constant, but only with -funsafe_math_optimizations.
2160         (fold_builtin_1): Update call to fold_builtin_copysign.
2161
2162 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2163
2164         PR middle-end/19583
2165         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2166         just check whether EH_FILTER_FAILURE falls through.
2167
2168 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2169
2170         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2171         insns return to ready list in the next turn.
2172
2173 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2174
2175         PR middle-end/19402
2176         * builtins.def: New __builtin_powi[lf].
2177         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2178         (expand_builtin_powi): New function.
2179         (expand_builtin): Dispatch to expand_builtin_powi.
2180         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2181         * libgcc2.c: Add __builtin_powi[lf] implementation.
2182         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2183         * optabs.h: Add powi_optab.
2184         * optabs.c (init_optabs): Initialize powi_optab.
2185         * doc/extend.texi: Document __builtin_powi[lf].
2186
2187 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2188
2189         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2190         exists.
2191
2192 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2193
2194         PR middle-end/19854
2195         * fold-const.c (try_move_mult_to_index): Remove redundant
2196         type argument.  Create ADDR_EXPR with correct type.
2197         (fold): Update callers of try_move_mult_to_index.  Convert
2198         result to the appropriate type.
2199
2200 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2201
2202         PR target/19597
2203         * config/avr/avr.c (default_rtx_costs): Delete.
2204         (avr_operand_rtx_cost): New function.
2205         (avr_rtx_costs): Completely rewrite.
2206
2207 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2208
2209         PR target/19806
2210         * config/cris/cris.c (in_code): New variable.
2211         (cris_output_addr_const): Now a static function, a wrapper for
2212         output_addr_const.
2213         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2214         case from old cris_output_addr_const.
2215         (cris_asm_output_label_ref): Similar for LABEL_REF.
2216         (cris_output_addr_const_extra): Similar for UNSPEC.
2217         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2218         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2219         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2220         declaration.
2221         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2222         (cris_asm_output_label_ref): Declare.
2223
2224 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2225
2226         PR preprocessor/19801
2227         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2228         filenames that changed when libcpp was moved to the toplevel.
2229
2230 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2231
2232         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2233         zero extensions of BImode operands.  Call lowpart_subreg instead
2234         of gen_lowpart_common and gen_lowpart_SUBREG.
2235
2236 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2237
2238         PR ada/19489
2239         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2240         * configure.ac: Set cc_for_cross_gnattools.
2241         * configure: Regenerate.
2242
2243 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2244
2245         PR target/19803
2246         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2247
2248 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2249
2250         PR debug/19327
2251         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2252         of nested functions.
2253
2254 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2255
2256         * doc/extend.texi: Document deprecated extensions allowing
2257         static floating-point members to have initializers and allowing
2258         floating-point literals in integral constant expressions.
2259
2260 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2261
2262         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2263         config/darwin7.h, config/mips/mips.c,
2264         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2265         Update copyright.
2266
2267         * cse.c: Update comments.
2268
2269 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2270
2271         PR middle-end/19775
2272         * builtins.c (fold_builtin_sqrt): Transform
2273         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2274         pow(x,y*0.5).
2275
2276 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2277             Dorit Naishlos  <dorit@il.ibm.com>
2278
2279         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2280         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2281         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2282         was added.
2283         * tree.h (vect_set_verbosity_level): New extern function declaration
2284         added.
2285         * tree-vectorizer.h (verbosity_levels): New enum type.
2286         * tree-vectorizer.c (vect_debug_stats): Function removed.
2287         (vect_debug_details): Likewise.
2288         (vect_verbosity_level): Global variable was defined and initialized.
2289         (vect_dump): Global variable definition.
2290         (vect_print_dump_info): New function.
2291         (vect_set_dump_settings): New function.
2292         (vect_set_verbosity_level): New function.
2293         (vectorize_loops): Add call to vect_set_dump_settings.
2294
2295         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2296         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2297         (slpeel_tree_peel_loop_to_edge): Likewise.
2298
2299         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2300         appropriate verbosity level instead of call to vect_debug_details
2301         or vect_debug_stats.
2302         (vect_get_base_and_offset):
2303         (vect_create_addr_base_for_vector_ref):
2304         (get_vectype_for_scalar_type):
2305         (vect_create_data_ref_ptr):
2306         (vect_init_vector):
2307         (vect_get_vec_def_for_operand):
2308         (vect_finish_stmt_generation):
2309         (vectorizable_assignment):
2310         (vectorizable_operation):
2311         (vectorizable_store):
2312         (vectorizable_load):
2313         (vect_transform_stmt):
2314         (vect_update_ivs_after_vectorizer):
2315         (vect_do_peeling_for_loop_bound):
2316         (vect_update_inits_of_drs):
2317         (vect_do_peeling_for_alignment):
2318         (vect_transform_loop):
2319         (vect_is_simple_use):
2320         (vect_analyze_operations):
2321         (vect_is_simple_iv_evolution):
2322         (vect_analyze_scalar_cycles):
2323         (vect_analyze_data_ref_dependence):
2324         (vect_analyze_data_ref_dependences):
2325         (vect_compute_data_ref_alignment):
2326         (vect_enhance_data_refs_alignment):
2327         (vect_analyze_data_refs_alignment):
2328         (vect_analyze_data_ref_access):
2329         (vect_analyze_data_ref_accesses):
2330         (vect_analyze_pointer_ref_access):
2331         (vect_get_memtag_and_dr):
2332         (vect_analyze_data_refs):
2333         (vect_mark_relevant):
2334         (vect_stmt_relevant_p):
2335         (vect_mark_stmts_to_be_vectorized):
2336         (vect_can_advance_ivs_p):
2337         (vect_get_loop_niters):
2338         (vect_analyze_loop_form):
2339         (vect_analyze_loop):
2340         (vectorize_loops): Likewise.
2341
2342         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2343         (vect_update_inits_of_drs):
2344         (vect_do_peeling_for_alignment):
2345         (vect_transform_loop):
2346         (vect_analyze_operations):
2347         (vect_analyze_scalar_cycles):
2348         (vect_analyze_data_ref_dependences):
2349         (vect_analyze_data_refs_alignment):
2350         (vect_analyze_data_ref_accesses):
2351         (vect_analyze_data_refs):
2352         (vect_mark_stmts_to_be_vectorized):
2353         (vect_get_loop_niters):
2354         (vect_analyze_loop_form):
2355         (vect_analyze_loop): Likewise.
2356         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2357
2358 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2359
2360         PR bootstrap/19796
2361         Revert:
2362         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2363         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2364         either -ffast-math or -funsafe-math-optimizations is in use.
2365
2366         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2367         * config/mips/irix-csr.c: New file.
2368         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2369         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2370         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2371         executables.
2372
2373 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2374
2375         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2376         redundant, incorrect definitions.
2377
2378         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2379         expand.
2380         ("*tls_indirect_call"): New, reference hard regs directly.
2381         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2382
2383 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2384
2385         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2386         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2387
2388 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2389
2390         PR rtl-optimization/19800
2391         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2392         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2393         gen_lowpart.
2394
2395 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2396
2397         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2398
2399 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2400
2401         PR other/17135
2402         * doc/invoke.texi: Correct documentation of -freorder-functions.
2403
2404 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2405
2406         PR other/14402
2407         * doc/invoke.texi: Don't mention gccbug.
2408
2409 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2410             Andrew Pinski  <pinskia@physics.uc.edu>
2411             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2412
2413         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2414         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2415         into just (zero_extract:SI FOO (const_int 1) BAR).
2416
2417 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2418
2419         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2420         macro locally.  Don't give last revision date.  Use GCC version
2421         number from gcc-common.texi.
2422         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2423         revision date.  Use GCC version number from gcc-common.texi.
2424         Describe being a library as current state rather than as 3.x
2425         history.
2426         * doc/gcc.texi: Remove last update date.
2427         * doc/gccint.texi: Likewise.  Update copyright dates.
2428         * doc/install.texi: Update copyright dates.
2429
2430 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2431
2432         PR other/7549
2433         * doc/invoke.texi: Mention for each option included in -Wall that
2434         it is included in -Wall.
2435         * doc/gcc.texi: Update copyright and last modification date.
2436
2437 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2438
2439         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2440         unnecessary cast to original induction variable increments.
2441
2442 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2443
2444         PR tree-optimization/18219
2445         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2446         in distributed form.
2447
2448 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2449
2450         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2451         Set bitpos and offset later in the function.  Do nothing if the
2452         target is a register and if the bitfield lies completely outside
2453         that register.
2454         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2455         here.  Return an uninitialised register if the source value is stored
2456         in a register and the bitfield lies completely outside that register.
2457
2458 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2459
2460         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2461         not SET_DEST.
2462
2463 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2464
2465         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2466
2467 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2468
2469         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2470         * config/darwin8.h: New.
2471         * config/darwin7.h: Update comment.
2472
2473 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2474             Dorit Naishlos  <dorit@il.ibm.com>
2475
2476         * tree-vectorizer.h (LOC): New type.
2477         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2478         (loop_line_number): New field in struct _loop_vec_info.
2479         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2480
2481         * tree-vectorizer.c (input.h): Included.
2482         (find_loop_location): New function.
2483         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2484         loop line number removed.
2485         (vect_debug_details): Likewise.
2486         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2487
2488         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2489         call to vect_debug_details/stats changed from loop to loop_loc.
2490         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2491         (slpeel_tree_peel_loop_to_edge): Likewise.
2492
2493         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2494         changed from NULL to UNKNOWN_LOC.
2495         (vect_get_base_and_offset):
2496         (vect_create_addr_base_for_vector_ref):
2497         (get_vectype_for_scalar_type):
2498         (vect_create_data_ref_ptr):
2499         (vect_init_vector):
2500         (vect_get_vec_def_for_operand):
2501         (vect_finish_stmt_generation):
2502         (vectorizable_assignment):
2503         (vectorizable_operation):
2504         (vectorizable_store):
2505         (vectorizable_load):
2506         (vect_transform_stmt):
2507         (vect_update_ivs_after_vectorizer):
2508         (vect_do_peeling_for_loop_bound):
2509         (vect_do_peeling_for_alignment):
2510         (vect_transform_loop):
2511         (vect_is_simple_use):
2512         (vect_analyze_operations):
2513         (vect_is_simple_iv_evolution):
2514         (vect_analyze_scalar_cycles):
2515         (vect_analyze_data_ref_dependences):
2516         (vect_compute_data_ref_alignment):
2517         (vect_enhance_data_refs_alignment):
2518         (vect_analyze_data_ref_access):
2519         (vect_analyze_data_ref_accesses):
2520         (vect_analyze_pointer_ref_access):
2521         (vect_get_memtag_and_dr):
2522         (vect_analyze_data_refs):
2523         (vect_mark_relevant):
2524         (vect_stmt_relevant_p):
2525         (vect_mark_stmts_to_be_vectorized):
2526         (vect_can_advance_ivs_p):
2527         (vect_get_loop_niters):
2528         (vect_analyze_loop):
2529         (vectorize_loops): Likewise.
2530
2531         (vectorizable_load): Argument in call to vect_debug_details/stats
2532         changed from loop to LOOP_LOC (loop_vinfo).
2533         (vect_transform_loop):
2534         (vect_analyze_operations):
2535         (vect_analyze_scalar_cycles):
2536         (vect_analyze_data_ref_dependence):
2537         (vect_enhance_data_refs_alignment):
2538         (vect_analyze_data_ref_accesses):
2539         (vect_analyze_pointer_ref_access):
2540         (vect_analyze_data_refs):
2541         (vect_analyze_loop): Likewise.
2542
2543         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2544         changed from loop to loop_loc.
2545
2546         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2547
2548 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2549             Dorit Naishlos  <dorit@il.ibm.com>
2550
2551         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2552         declaration added.
2553         (vect_analyze_data_ref_dependences): Likewise.
2554
2555         (vect_is_simple_use): Argument changed from loop structure to
2556         loop_vect_info structure.
2557         (vect_can_advance_ivs_p): Likewise.
2558         (vect_create_index_for_vector_ref): Likewise.
2559         (vect_update_ivs_after_vectorizer): Likewise.
2560         (new_stmt_vec_info): Likewise.
2561
2562         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2563         changed from loop to loop_vinfo.
2564         (vect_create_data_ref_ptr): First argument in call to
2565         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2566         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2567         was changed from loop to loop_vinfo.
2568         (vectorizable_operation): Likewise.
2569         (vectorizable_store): Likewise.
2570         (vect_mark_stmts_to_be_vectorized): Likewise.
2571         (vect_do_peeling_for_loop_bound): First argument in call to
2572         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2573         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2574         was changed from loop to loop_vinfo.
2575         (vect_analyze_data_ref_dependences): Third argument in call to
2576         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2577
2578         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2579         (vect_create_data_ref_ptr): Likewise.
2580         (vect_init_vector): Likewise.
2581         (vect_get_vec_def_for_operand): Likewise.
2582         (vectorizable_assignment): Likewise.
2583         (vectorizable_operation): Likewise.
2584         (vectorizable_store): Likewise.
2585         (vectorizable_load): Likewise.
2586         (vect_update_ivs_after_vectorizer): Likewise.
2587         (vect_is_simple_use): Likewise.
2588         (vect_analyze_data_ref_dependence): Likewise.
2589         (vect_analyze_pointer_ref_access): Likewise.
2590         (vect_can_advance_ivs_p): Likewise.
2591
2592         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2593         before _stmt_vec_info.
2594         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2595         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2596         (new_stmt_vec_info): Argument changed from loop structure to
2597         loop_vect_info structure
2598
2599         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2600         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2601         (vect_create_addr_base_for_vector_ref): Likewise.
2602         (vect_analyze_pointer_ref_access): Likewise.
2603
2604 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2605
2606         PR tree-opt/19768
2607         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2608         phi flag if the phi is abnormal.
2609
2610 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2611
2612         PR tree-opt/19736
2613         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2614         information for the new statement.
2615
2616 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2617
2618         PR driver/19117
2619         * gcc.c (main): Include the target in -v output.
2620
2621 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2622
2623         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2624         Do not drop the extend if we'd have to add a paradoxical subreg
2625         later.  Include optabs.h and insn-codes.h.
2626         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2627
2628 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2629
2630         PR middle-end/19405
2631         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2632         * fold-const.c (const_binop): Avoid constant folding floating
2633         point operations in modes that use composite representations.
2634         * simplify-rtx.c (simplify_binary_operation): Likewise.
2635
2636 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2637
2638         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2639         a REG, not a MEM.
2640         (altivec_dstt): Likewise.
2641         (altivec_dstst): Likewise.
2642         (altivec_dststt): Likewise.
2643         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2644         of first operand.
2645
2646 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2647
2648         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2649         EXPR_LOCUS from orig_cond to the new cond_stmt.
2650         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2651         the new vec_stmt.
2652
2653 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2654
2655         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2656         standard_iv_increment_position. Remove call to bsi_next
2657         (no need to bump the iterator anymore).
2658         (vect_create_index_for_vector_ref): Call
2659         standard_iv_increment_position. Remove second function argument.
2660         (vect_finish_stmt_generation): Remove call to bsi_next
2661         (no need to bump the iterator anymore).
2662         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2663         to vect_create_index_for_vector_ref.
2664
2665 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2666
2667         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2668         phis are used out of the loop.
2669
2670 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2671
2672         PR c/17807
2673         * c-decl.c (undef_nested_function): New variable.
2674         (pop_scope): Diagnose undefined nested functions.
2675         (finish_function): Don't attempt cgraph processing or genericizing
2676         if current top-level function contained an undefined nested
2677         function.  Reset undef_nested_function at the end of a top-level
2678         function.
2679
2680 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2681
2682         * tree.c (build_int_cst_type): Take sign of the value into account
2683         when deciding whether sign extend the value.
2684
2685 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2686
2687         PR c/18502
2688         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2689         (cpp_options, cc1_options): Change %{std*&ansi} to
2690         %{std*&ansi&trigraphs}.
2691
2692 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2693
2694         * cse.c: Update comments.
2695
2696 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2697
2698         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2699         arguments go on the stack.  Do not put complex doubles in odd/even
2700         pairs.
2701
2702 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2703
2704         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2705         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2706         -ftree-pre, and -fthread-jumps.
2707
2708 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2709
2710         PR tree-optimization/19578
2711         * tree-flow.h (modified_noreturn_calls): Declare.
2712         (noreturn_call_p): Declare.
2713         * tree-flow-inline.h (noreturn_call_p): New function.
2714         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2715         * tree-cfg.c (modified_noreturn_calls): New variable.
2716         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2717         that contain a mid-block noreturn call.
2718         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2719
2720 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2721
2722         * df.c (df_def_record_1, df_uses_record): Don't use
2723         DF_FOR_REGALLOC.
2724         * df.h (DF_FOR_REGALLOC): Remove.
2725
2726 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2727
2728         PR c/19435
2729         * c-typeck.c (really_start_incremental_init): Reset
2730         constructor_max_index for arrays of incomplete type.
2731
2732 2005-02-02  Jeff Law  <law@redhat.com>
2733
2734         * gcse.c (struct reg_set): Store the block index where the register
2735         was set rather than the setting insn.
2736         (record_one_set, compute_transp): Corresponding changes.
2737         (pre_insert_copy_insn): Do not call replace_one_set.
2738         (replace_one_set): Remove.
2739
2740 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2741
2742         PR other/15514
2743         * doc/gcov.texi: Fix typo.
2744
2745 2005-02-01  Richard Henderson  <rth@redhat.com
2746
2747         PR target/19680
2748         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2749         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2750         type to bool.
2751         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2752         * config/i386/i386-protos.h: Update.
2753
2754 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2755
2756         PR tree-optimization/19217
2757         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2758         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2759         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2760         that it is walking a PHI node.
2761
2762 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2763
2764         * doc/extend.texi (Nested Functions): Update.
2765
2766 2005-02-01  Richard Henderson  <rth@redhat.com>
2767
2768         PR 19696
2769         * optabs.c (expand_copysign_absneg): Export.
2770         * optabs.h (expand_copysign_absneg): Declare.
2771         * config/rs6000/rs6000.md (copysigntf3): New.
2772
2773 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2774
2775         PR tree-optimization/19633
2776         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2777         * tree-ssa-alias.c (init_alias_info): Initialize.
2778         (merge_pointed_to_info): Set.
2779         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2780         (dump_points_to_info_for): Show value of pt_null.
2781         (struct count_ptr_d): Declare.
2782         (find_ptr_dereference): Remove.
2783         (ptr_is_dereferenced_by): Remove.
2784         (count_ptr_derefs): New local function.
2785         (count_uses_and_derefs): New local function.
2786         (compute_points_to_and_addr_escape): Call it.  If the number
2787         of dereferences is greater than zero, mark the pointer as
2788         dereferenced.  If there are fewer dereferences than uses of
2789         the pointer, the pointer's value escapes.
2790
2791 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2792
2793         PR tree-optimization/19670
2794         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2795         here...
2796         (verify_use): ... set it here, instead.
2797
2798 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2799
2800         * doc/sourcebuild.texi (Test directives): Fix formatting.
2801
2802         * doc/sourcebuild.texi (Test directives): Describe selector
2803         expressions.
2804
2805 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2806
2807         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2808         specific 64-bit CPUs.
2809
2810 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2811
2812         PR target/16201
2813         * arm.c (arm_eliminable_register): New function.
2814         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2815         HOST_WIDE_INT for address offsets.
2816         * arm-protos.h (arm_eliminable_register): Add prototype.
2817
2818 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2819
2820         PR optimization/15242
2821         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2822         * basic-block.h (duplicate_computed_gotos): Add prototype.
2823         * bb-reorder.c (duplicate_computed_gotos): New function to
2824         duplicate sufficiently small blocks ending in a computed jump.
2825         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2826         if not optimizing for size.
2827         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2828         never do tail merging for blocks ending in a computed jump.
2829         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2830
2831 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2832
2833         Patch from Richard Sandiford <rsandifo@redhat.com>
2834         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2835         from inheriting a subreg equivalence with a non-spill register.
2836
2837         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2838
2839 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2840
2841         * config/frv/frv.c (movcc_fp_destination_operand): New.
2842         (gpr_or_memory_operand): Fix typo in comment.
2843         (gpr_or_memory_operand_with_scratch): New.
2844         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2845         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2846         movcc_fp_destination_operand.
2847         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2848         Legitimize memory addresses using a scratch register.
2849
2850 2005-01-31  Jeff Law  <law@redhat.com>
2851
2852         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2853         bitmap a sparse bitmap instead of a simple bitmap.
2854         (mark_def_sites_initialize_block):  Corresponding changes.
2855         (ssa_mark_def_sites_initialize_block): Likewise.
2856         (ssa_mark_phi_uses): Likewise.
2857         (mark_def_site, ssa_mark_def_sites): Likewise.
2858         (mark_def_site_blocks): Likewise.
2859         (rewrite_ssa_into_ssa): Likewise.
2860
2861         * tree-ssa-dom.c (record_cond): Pass correct variable type
2862         for last argument to htab_find_slot_with_hash.
2863
2864         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2865         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2866
2867 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2868
2869         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2870         1_mmalua.
2871
2872 2005-02-01  Eric Christopher  <echristo@redhat.com>
2873
2874         * config/mips/mips.c (override_options): Warn if -mint64
2875         is used.
2876         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2877         deprecated.
2878
2879 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2880
2881         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2882         timestamp.
2883         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2884         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2885         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2886         (cached_regno): Initialize to INVALID_REGNUM.
2887         (cse_reg_info_table_size,
2888         cse_reg_info_table_first_uninitialized,
2889         cse_reg_info_timestamp): New.
2890         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2891         get_cse_reg_info.
2892         (init_cse_reg_info, get_cse_reg_info_1): New.
2893         (get_cse_reg_info): Cache the last look-up.
2894         (new_basic_block): Update the code to clear mappings from
2895         registers to cse_reg_info entries.
2896         (cse_main): Call init_cse_reg_info.
2897
2898         * cse.c (get_cse_reg_info): Update a comment.
2899
2900 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2901
2902         PR c/19333
2903         * c-decl.c (start_decl): Do not warn about arrays of elements with
2904         an incomplete type here.
2905         (grokdeclarator): Do it here by making a pedwarn an error.
2906         * c-typeck.c (push_init_level): If there were previous errors with
2907         the constructor type, do not warn about braces for initializers.
2908         (process_init_element): Likewise for excess initializer elements.
2909
2910 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2911
2912         * cse.c (delete_trivially_dead_insn): Don't iterate.
2913
2914 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2915
2916         * config/rs6000/rs6000.md (copysignsf3): New expand.
2917         (copysigndf3): Likewise.
2918
2919 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2920
2921         * recog.c (constrain_operands): Only look for earlyclobber operand
2922         conflicts if an '&' constraint was seen.
2923
2924 2005-01-31  Marc Espie <espie@openbsd.org>
2925
2926         * config.gcc: Don't include embedded systems fragment, switches default
2927         debugging format to ELF.
2928         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2929         longer pick it up there.
2930
2931 2005-01-31  Dale Johannesen  <dalej@apple.com>
2932
2933         * doc/extend.texi (nested functions): Fix linkage description.
2934         Clarify that static is not allowed.
2935
2936 2005-01-31  Dale Johannesen  <dalej@apple.com>
2937
2938         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2939         (movdf_low_di):  Make work.
2940
2941 2005-01-31  Dale Johannesen  <dalej@apple.com>
2942
2943         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2944         Make work for 64 bit.
2945
2946 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2947             Dale Johannesen  <dalej@apple.com>
2948
2949         PR middle-end/19650
2950         * fold-const.c (fold_binary_op_with_conditional_arg):
2951         Make types match original operands, before STRIP_NOPS.
2952
2953 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2954
2955         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2956         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2957         (struct gcc_sigcontext): Delete.  Merge contents to..
2958         (struct gcc_ucontext): ..here.
2959         (get_sigcontext): Delete.
2960         (get_regs): New function, like get_sigcontext but return regs ptr.
2961         64-bit version finds regs from r1 to support vdso.
2962         (ppc_linux_aux_vector): New function.
2963         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2964         and vector regs.
2965
2966 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2967
2968         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2969         sizetype.
2970         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2971         redundant fold. Fix misalignment for MINUS_EXPR.
2972         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2973         (vect_analyze_pointer_ref_access): Likewise.
2974         (vect_get_memtag_and_dr): Likewise.
2975
2976 2005-01-31  Richard Henderson  <rth@redhat.com>
2977
2978         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2979         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2980         absnegdf2_i387, absnegxf2_i387): Likewise.
2981
2982 2005-01-31  Richard Henderson  <rth@redhat.com>
2983
2984         PR 19696
2985         * optabs.c (expand_copysign_absneg): New.
2986         (expand_copysign_bit): Split out from ...
2987         (expand_copysign): ... here.  Use expand_copysign_absneg.
2988
2989 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2990
2991         PR middle-end/19697
2992         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2993         constant as the second operand and a register as the third.
2994
2995 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2996
2997         PR target/19704
2998         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2999         that dllimport'd functions do not use all call-clobbered registers
3000         to pass parameters.
3001
3002 2005-01-30  Richard Henderson  <rth@redhat.com>
3003
3004         PR 19696
3005         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3006         expand_abs_nojump and generalize.  Use operand_subword and
3007         emit_no_conflict_block.  Support large modes.
3008         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3009         back to maximum.
3010         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3011         negation to subtraction.
3012         (expand_copysign): Check that the format has signed zeros.
3013         Use operand_subword and emit_no_conflict_block.  Support large modes.
3014
3015 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3016
3017         Fix PR tree-optimization/19624
3018
3019         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3020         * tree-ssa-pre.c: Add cfgloop.h.
3021         Update comment.
3022         (pre_stats): New member, constified.
3023         (inserted_exprs): New static variable.
3024         (NECESSARY): New macro.
3025         (create_expression_by_pieces): Fold the expression, and
3026         mark it as defaulting to not necessary. Also put in
3027         inserted_exprs.
3028         (fully_constant_expression): New function.
3029         (insert_into_preds_of_block): Modify to not insert phis when we
3030         are playing with induction variables.
3031         Push phis onto the inserted_exprs vector, and mark them as not
3032         necessary by default.
3033         (insert_aux): Call fully_constant_expression on eprime.
3034         If all edges produce the same value, mark it constant.
3035         (mark_operand_necessary): New function.
3036         (remove_dead_inserted_code): New function.
3037         (init_pre): Init loop optimizer to get loop info.
3038         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3039         (execute_pre): Commit edge inserts, then remove dead code.
3040
3041 2005-01-30  Richard Henderson  <rth@redhat.com>
3042
3043         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3044         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3045
3046 2005-01-30  Richard Henderson  <rth@redhat.com>
3047
3048         PR target/19700
3049         * config/i386/i386.c (ix86_expand_copysign): New.
3050         (ix86_split_copysign_const): New.
3051         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3052         rearrange op1/nmask operands.
3053         * config/i386/i386-protos.h: Update.
3054         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3055         (copysigndf3): Likewise.
3056         (copysignsf3_const, copysigndf3_const): New.
3057         (copysignsf3_var): Rename from copysignsf3, split out splitter
3058         and fix split predicate for X constraint.
3059         (copysigndf3_var): Similarly.
3060
3061 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3062
3063         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3064         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3065         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3066
3067 2005-01-29  Richard Henderson  <rth@redhat.com>
3068
3069         PR target/19690
3070         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3071         of # and * in constraints.
3072
3073 2005-01-29  Richard Henderson  <rth@redhat.com>
3074
3075         PR middle-end/19689
3076         * expr.c (store_field): Don't strip sub-mode cast when the input
3077         data is even smaller.
3078
3079 2005-01-29  Richard Henderson  <rth@redhat.com>
3080
3081         PR middle-end/19687
3082         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3083         union being empty.
3084
3085 2005-01-29  Richard Henderson  <rth@redhat.com>
3086
3087         * combine.c (make_field_assignment): Fix argument order
3088         to gen_int_mode.
3089
3090 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3091
3092         PR tree-optimization/15791
3093         * fold-const.c (extract_array_ref): New function.
3094         (fold): Fold comparisons between &a[i] and &a[j] or
3095         semantically equivalent trees.
3096
3097 2005-01-29  Jeff Law  <law@redhat.com>
3098
3099         * gcse.c (insert_expr_in_table): Revamp handling of available
3100         and anticipatable occurrence lists to avoid unnecessary list
3101         walking.
3102         (insert_set_in_table): Similarly.
3103
3104 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3105
3106         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3107         build string type.
3108         (c_build_qualified_type): Build qualified array types with
3109         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3110         * c-decl.c (c_make_fname_decl): Build unqualified array type
3111         before qualified type.
3112         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3113         type is qualified, not just if type itself is.  Don't apply
3114         qualifiers to array type when declarator is processed.  Apply
3115         qualifiers to field type whether or not it is an array type.
3116         Don't handle array types specially for applying qualifiers to
3117         variables.
3118         * c-typeck.c (composite_type): Build unqualified element type and
3119         array type when forming composite of array types.
3120         (common_pointer_type, comptypes, comp_target_types,
3121         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3122         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3123         types.
3124         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3125         (args2) in variables a1 and a2.
3126
3127 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3128
3129         * cse.c (n_elements_made, max_elements_made): Remove.
3130         (insert): Don't touch n_elements_made.
3131         (cse_main): Don't touch n_elements_made or max_elements_made.
3132
3133 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3134
3135         PR target/15384
3136         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3137         configuration part of dp-bit.c to be lost.
3138
3139 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3140
3141         * expmed.c (expand_mult_highpart_optab): When attempting to use
3142         a non-widening multiplication in a wider mode, the operands need
3143         to be converted (zero or sign extended) to that mode.
3144
3145 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3146
3147         PR middle-end/16558
3148         PR middle-end/19583
3149         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3150         through if both operands fall through.
3151
3152 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3153
3154         * cse.c (fold_rtx) <PC>: Don't optimize.
3155
3156 2005-01-28  Jeff Law  <law@redhat.com>
3157
3158         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3159         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3160
3161 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3162
3163         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3164         cse_reg_info_used_list_end): Remove.
3165         (cse_reg_info_list, cse_reg_info_list_free): New.
3166         (get_cse_reg_info): When allocating an instance of
3167         cse_reg_info, add it to the beginning of the cse_reg_info_list
3168         list.  Remove code to maintain cse_reg_info_used_list.
3169         (new_basic_block): Reset the free list to the beginning of
3170         cse_reg_info_list.
3171
3172 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3173
3174         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3175         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3176         (frv_expand_mdpackh_builtin): New function.
3177         (frv_expand_builtin): Use it to expand __MDPACKH.
3178         * doc/extend.texi (__MDPACKH): Update documentation.
3179
3180 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3181
3182         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3183         SSE_FLOAT_MODE_P for use_sse computation.
3184
3185 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3186
3187         PR target/19663
3188         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3189
3190 2005-01-27  Richard Henderson  <rth@redhat.com>
3191
3192         * builtins.c (expand_builtin_copysign): New.
3193         (expand_builtin): Call it.
3194         * genopinit.c (optabs): Add copysign_optab.
3195         * optabs.c (init_optabs): Initialize it.
3196         (expand_copysign): New.
3197         * optabs.h (OTI_copysign, copysign_optab): New.
3198         (expand_copysign): Declare.
3199
3200         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3201         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3202
3203         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3204         (ix86_expand_fp_absneg_operator): ... here.
3205         (ix86_split_copysign): New.
3206         * config/i386/i386-protos.h: Update.
3207         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3208         (copysignsf3, copysigndf3): New.
3209
3210         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3211         (copysignsf3, ncopysignsf3): New.
3212         (copysigndf3, ncopysigndf3): New.
3213         (copysignxf3, ncopysignxf3): New.
3214         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3215
3216 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3217             Kazu Hirata  <kazu@cs.umass.edu>
3218
3219         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3220         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3221         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3222         NULL_RTX.
3223
3224 2005-01-27  Jeff Law  <law@redhat.com>
3225
3226         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3227         definitions of SSA_NAMEs which are not being rewritten.
3228         (rewrite_ssa_into_ssa): Only initialize the current definition
3229         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3230         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3231         SSA_NAMEs before returning.
3232
3233 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3234
3235         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3236         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3237         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3238         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3239         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3240
3241 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3242
3243         PR middle-end/17278
3244         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3245         higher to -O2 and higher.  Likewise for tree PRE.
3246         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3247         and better.
3248
3249 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3250
3251         PR middle-end/19583
3252         * gimple-low.c (try_catch_may_fallthru): New static function.
3253         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3254         * tree-inline.c (expand_call_inline): Don't warn about reaching
3255         the end of a non-void function being inlined if the function uses
3256         a return slot.
3257
3258 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3259
3260         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3261
3262         PR c/18946
3263         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3264         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3265         (implicitly_declare): Handle error_mark_node.
3266
3267 2005-01-27  Richard Henderson  <rth@redhat.com>
3268
3269         PR tree-opt/14329
3270         * tree.h (struct tree_decl): Add debug_expr_is_from.
3271         (DECL_DEBUG_EXPR_IS_FROM): New.
3272         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3273         * dwarf2out.c (dwarf2out_var_location): Update to match.
3274         * tree-outof-ssa.c (create_temp): Likewise.
3275         * var-tracking.c (track_expr_p): Likewise.
3276         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3277         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3278         * toplev.c (default_tree_printer): Likewise.
3279
3280 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3281
3282         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3283         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3284
3285 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3286
3287         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3288         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3289         ASM_CLOBBERS): Add tree checks.
3290
3291         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3292         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3293         * c-common.def (SWITCH_STMT): Update to match.
3294         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3295         macros instead of SWITCH_EXPR ones.
3296         * c-dump.c (c_dump_tree): Likewise.
3297         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3298         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3299
3300         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3301
3302 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3303
3304         * unwind-dw2.c (execute_stack_op): Add missing cases for
3305         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3306
3307 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3308
3309         * config.gcc (Obsolete configurations): Remove 'dummy', add
3310         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3311         sparc-*-openbsd*.
3312
3313 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3314
3315         PR tree-optimization/19633
3316         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3317         CALL_EXPRs.
3318         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3319         are no call-clobbered variables.
3320         * tree-outof-ssa.c (check_replaceable): Return false for calls
3321         with side-effects.
3322
3323 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3324
3325         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3326         even for variables with NULL DECL_INITIAL.
3327
3328 2005-01-26  Stuart Hastings  <stuart@apple.com>
3329
3330         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3331
3332 2005-01-26  Richard Henderson  <rth@redhat.com>
3333
3334         PR middle-end/18008
3335         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3336         field's type.
3337         * expr.c (store_field): Strip conversions to odd-bit-sized types
3338         if the destination field width matches.
3339
3340 2005-01-26  Richard Henderson  <rth@redhat.com>
3341
3342         * c-decl.c, expmed.c, expr.c: Revert last change.
3343
3344 2005-01-26  Richard Henderson  <rth@redhat.com>
3345
3346         PR middle-end/18008
3347         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3348         field's type.
3349         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3350         if we don't need the bits above those present in the current mode.
3351         * expr.c (store_field): Strip conversions to odd-bit-sized types
3352         if the destination field width matches.
3353
3354 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3355
3356         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3357         either -ffast-math or -funsafe-math-optimizations is in use.
3358
3359 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3360
3361         PR target/19293
3362         PR target/19329
3363         * config/avr/avr.c (notice_update_cc): Only set condition code for
3364         ashrqi3 if shift count > 0.
3365         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3366         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3367         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3368         count <= 0 as a no-op, and shift count >= width by copying zero
3369         or sign bit to all bits of the result.
3370         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3371         count, with attribute "length" set to 0 and "cc" set to "none".
3372
3373 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3374
3375         * doc/invoke.texi: Document -mTLS.
3376
3377         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3378         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3379         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3380         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3381         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3382         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3383         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3384         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3385
3386         * configure.ac: Check for a TLS capable gas.
3387
3388         * configure: Regenerate.
3389
3390 2005-01-26  Richard Henderson  <rth@redhat.com>
3391
3392         PR middle-end/18008
3393         * combine.c (make_field_assignment): Simplify store to zero_extract
3394         from a source with an overlapping mask.
3395
3396 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3397
3398         2004-11-11  Eric Christopher  <echristo@redhat.com>
3399
3400         * config/frv/frv.md: Add fr400_integer automaton. Don't
3401         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3402         to TYPE_MACC.
3403
3404 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3405
3406         PR middle-end/16585
3407         * cfgbuild.c (make_edges): Do not clear or set
3408         current_function_has_computed_jump.
3409         * function.h (struct function): Remove the has_computed_jump field.
3410         (current_function_has_computed_jump): Do not define.
3411         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3412         in a computed jump.  Ignore current_function_has_computed_jump.
3413
3414 2005-01-26  Richard Henderson  <rth@redhat.com>
3415
3416         PR middle-end/19515
3417         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3418         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3419         fully initialized.
3420         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3421         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3422         objects into static storage if they have more than one non-zero value.
3423         * tree.h (categorize_ctor_elements): Update decl.
3424
3425 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3426
3427         PR middle-end/19616
3428         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3429         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3430         to this function from 2004-07-10.
3431         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3432         the current function for tail call optimizations if the address
3433         of one of it its arguments is taken.
3434
3435 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3436
3437         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3438
3439 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3440
3441         * function.c (expand_function_end): If current_function_calls_alloca,
3442         emit stack restore in a place that is reached when the function falls
3443         through at the end.
3444
3445 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3446
3447         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3448         rule to avoid matching inappropriate suffix rule.
3449
3450 2005-01-26  Jan Hubicka  <jh@suse.cz>
3451
3452         PR tree-optimization/19241
3453         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3454
3455 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3456
3457         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3458         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3459         of doubling.
3460         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3461         <sim*>: Always use crt1.o, regardless of N in simN.
3462         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3463         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3464         (CRT_CALL_STATIC_FUNCTION): Remove.
3465         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3466         use crt1.o, regardless of N in simN.
3467         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3468         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3469         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3470         case isystem setting.
3471         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3472
3473 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3474
3475         * gimple-low.c (block_may_fallthru): Correct handling of
3476         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3477
3478 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3479
3480         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3481         handlers to match indentation; nested under the mtune=* handler.
3482         Similar for mcpu= and march=.
3483
3484 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3485
3486         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3487         * config/mips/linux64.h (LIB_SPEC): Likewise.
3488         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3489         * config/sh/linux.h (LIB_SPEC): Likewise.
3490
3491 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3492
3493         * config/frv/frv.c (frv_legitimize_tls_address): New.
3494         (TARGET_HAVE_TLS): Define.
3495         (FRV_SYMBOL_REF_TLS_P): Define.
3496         (frv_override_options): Handle new register classes.
3497         (frv_legitimate_address_p): Reject tls addresses.
3498         (frv_legitimize_address): Handle TLS addresses.
3499         (gen_inlined_tls_plt): New.
3500         (gen_tlsmoff): New.
3501         (frv_legitimize_tls_address): New.
3502         (unspec_got_name): Add TLS entries.
3503         (got12_operand): Add R_FRV_TLSMOFF12 case.
3504         (frv_emit_move): Fixup TLS addresses.
3505         (frv_emit_movsi): Legitimize TLS addresses.
3506
3507         * config/frv/frv.h (MASK_BIG_TLS): New.
3508         (TARGET_BIG_TLS): New.
3509         (HAVE_AS_TLS): Define.
3510         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3511         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3512         (REG_CLASS_NAMES): Same.
3513         (REG_CLASS_CONTENTS): Same.
3514         (CONSTRAINT_LEN): New.
3515         (REG_CLASS_FROM_CONSTRAINT): New.
3516         (PREDICATE_CODES): Add symbolic_operand.
3517
3518         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3519         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3520         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3521         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3522         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3523         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3524         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3525         GR9_REG, GR14_REG, LRREG.
3526         (type): Add load_or_call attribute.
3527         ("load_or_call"): New reservation.
3528         ("call_gettlsoff"): New.
3529         ("tls_indirect_call"): New.
3530         ("tls_load_gottlsoff12"): New.
3531         ("tlsoff_hilo"): New.
3532         ("tls_tlsdesc_ldd"): New.
3533         ("tls_tlsoff_ld"): New.
3534         ("tls_lddi"): New.
3535
3536         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3537
3538         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3539
3540         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3541         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3542         * config/frv/frv.c (TLS_BIAS): Define.
3543         (frv_output_dwarf_dtprel): New.
3544
3545 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3546
3547         PR rtl-optimization/19579
3548         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3549         both A and B, see if they don't clobber registers the other expr uses.
3550
3551 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3552
3553         * real.c (do_add): Initialize signalling and canonical members.
3554
3555         * real.c (real_from_integer): Zero out destination.
3556
3557 2005-01-18  Jan Hubicka  <jh@suse.cz>
3558
3559         PR tree-optimize/19337
3560         * tree-inline.c (initialize_inlined_parameters): Copy
3561         saved_static_chain_decl only.
3562
3563 2005-01-25  Richard Henderson  <rth@redhat.com>
3564
3565         PR target/19556
3566         PR target/19584
3567         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3568         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3569         80387 enabled, to return a proper subclass.  Return the subset that
3570         overlaps with GENERAL_REGS for PLUS.
3571         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3572
3573 2005-01-25  Richard Henderson  <rth@redhat.com>
3574
3575         PR middle-end/19609
3576         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3577
3578 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3579
3580         * expmed.c (choose_multiplier): Change interface to return the
3581         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3582         (expand_divmod): Update calls to choose_multiplier.
3583
3584 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3585
3586         PR middle-end/19330
3587         * expmed.c (extract_bit_field): Use adjust_address instead of
3588         gen_lowpart when op0 is a MEM.
3589
3590 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3591
3592         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3593
3594 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3595
3596         * config/mips/irix-csr.c: New file.
3597         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3598         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3599         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3600         executables.
3601
3602 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3603
3604         PR bootstrap/19364
3605         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3606         sparc/elf.h, add sparc/sp-elf.h.
3607         (sparc-*-rtems*): Likewise.
3608         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3609         tm-dwarf2.h, add sparc/sp-elf.h.
3610         (sparc86x-*-elf): Likewise.
3611         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3612         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3613         TARGET_OS_CPP_BUILTINS.
3614         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3615         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3616         Undefine it.
3617         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3618         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3619         (SWITCH_TAKES_ARG): Likewise.
3620         (LOCAL_LABEL_PREFIX): Likewise.
3621         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3622         (TARGET_N_FORMAT_TYPES): Delete.
3623         (TARGET_FORMAT_TYPES): Likewise.
3624         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3625         * config/sparc/elf.h: Delete.
3626         * config/sparc/sp-elf.h: New file.
3627
3628 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3629
3630         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3631         * tree-flow.h: Remove the corresponding prototype.
3632         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3633         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3634
3635 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3636
3637         PR target/17751
3638         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3639         for AIX ABI or ELF -fPIC.
3640         (rs6000_emit_load_toc_table): Don't create toc_section here.
3641         (rs6000_xcoff_file_start): Nor here.
3642
3643 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
3644
3645         * sh.c (ra.h): Don't #include.
3646         (hard_regs_intersect_p): New function, resurrected from ra.c.
3647
3648         * sh.c: Fix 1996 Copyright.
3649
3650 2005-01-24  Richard Henderson  <rth@redhat.com>
3651             Aldy Hernandez  <aldyh@redhat.com>
3652
3653         * regrename.c (note_sets): Handle subregs.
3654
3655 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
3656
3657         PR bootstrap/18058
3658         * genconditions.c (write_header, write_conditions): Elide file if
3659         not GCC >= 3.0.1.
3660
3661 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3662
3663         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3664         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3665         Update copyright.
3666
3667 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3668
3669         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3670         expand_builtin_printf, expand_builtin_fprintf,
3671         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3672         checking against POINTER_TYPE.
3673         (validate_arglist): Handle POINTER_TYPE code by checking
3674         POINTER_TYPE_P.
3675
3676 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3677
3678         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3679         init_rtlanal): New.
3680         (for_each_rtx): Call for_each_rtx_1.
3681         * rtl.h (init_rtlanal): Declare.
3682         * toplev.c (backend_init): Call init_rtlanal.
3683
3684 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3685
3686         * flow.c (propagate_one_insn): Formatting.
3687
3688         PR middle-end/19551
3689         * flow.c (libcall_dead_p): Be more conservative if unsure.
3690         If there are any instructions between insn and call, see if they are
3691         all dead before saying the libcall is dead.
3692
3693 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3694
3695         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3696         operand constraint for operand 0.
3697
3698 2005-01-23  Richard Henderson  <rth@redhat.com>
3699
3700         PR 19486
3701         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3702         edges leading to join block.
3703
3704 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3705
3706         * expmed.c (expand_mult_highpart): Make static.  Change type of
3707         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3708         (expand_divmod): Updates calls to expand_mult_highpart by using
3709         gen_int_mode to pass a CONST_INT rtx.
3710         * rtl.h (expand_mult_highpart): Remove prototype.
3711
3712 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3713
3714         * flow.c (regset_bytes, regset_size): Remove.
3715
3716         * cfganal.c: Fix a reference to Harvey's paper.
3717
3718 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3719
3720         PR rtl-optimization/19464
3721         * tree-optimize.c (init_tree_optimization_passes): Add one more
3722         copyrename pass just before out-of-ssa.
3723
3724 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3725
3726         PR bootstrap/18058
3727         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3728         * ggc-none.c (ggc_free): Define.
3729
3730 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3731
3732         * cse.c (max_reg, max_insn_uid): Remove.
3733         (cse_main): Don't access max_reg or max_insn_uid.
3734
3735         * c-common.c (explicit_flag_signed_bitfields,
3736         lang_statement_code_p, lang_expand_function_end): Remove.
3737         * c-common.h: Remove the corresponding declarations.
3738         * c-opts.c (c_common_handle_option): Remove all write access
3739         to explicit_flag_signed_bitfields.
3740
3741         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3742         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3743         * cgraph.h: Remove the corresponding declaration.
3744
3745         * gcse.c (null_pointer_info): Remove.
3746
3747 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3748             Eric Botcazou  <ebotcazou@libertysurf.fr>
3749
3750         * combine.c (simplify_logical): Only simplify logical expressions
3751         of the form ior(and(x,y),z) by the inverse distributive law if the
3752         result is cheaper than the original.
3753
3754 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3755
3756         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3757         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3758         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3759         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3760         config/freebsd-spec.h, config/arm/arm.h,
3761         config/h8300/h8300.md, config/i386/i386.md,
3762         config/i386/predicates.md, config/i386/sse.md,
3763         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3764         config/vax/vax.md: Fix comment typos.  Follow spelling
3765         conventions.
3766
3767 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3768
3769         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3770         tests, instead of `less than'.
3771
3772 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3773
3774         * function.c (assign_parm_setup_block): When creating a new stack slot
3775         for a parameter, get its alignment from the parameter's DECL_ALIGN
3776         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3777         is at least word aligned.
3778
3779 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3780
3781         PR middle-end/19378
3782         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3783
3784 2005-01-22  Richard Henderson  <rth@redhat.com>
3785
3786         PR target/19506
3787         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3788         in both compare operands.
3789         (movdfcc_1_sse_max): Likewise.
3790         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3791         (movdfcc_1_sse): Likewise.
3792         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3793         scratch register as needed.
3794
3795 2005-01-22  Richard Henderson  <rth@redhat.com>
3796
3797         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3798
3799         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3800
3801 2005-01-22  Richard Henderson  <rth@redhat.com>
3802
3803         * genopinit.c (optabs): Use smin/smax for floating point too.
3804         * doc/md.texi: Update to match.  Clarify that floating point
3805         results are undefined for +0/-0 and NaN.
3806         * doc/rtl.texi: Likewise.
3807         * rtl.def (SMIN, SMAX): Likewise
3808         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3809
3810         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3811         leading 's' to the name.
3812         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3813         smaxxf3, sminxf3): Likewise.
3814         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3815         Likewise.
3816
3817 2005-01-22  Paul Brook  <paul@codesourcery.com>
3818
3819         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3820
3821 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3822
3823         * config/s390/s390.c (struct processor_costs): New fields
3824         dlgr, dlr, dr, dsgfr, dsgr.
3825         (z900_cost, z990_cost): Values for new fields.
3826         (s390_rtx_costs): New cases MEM und COMPARE in switch
3827         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3828         DIV, MOD, UDIV, UMOD.
3829
3830 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3831
3832         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3833         into the register being decremented.
3834         ("doloop_si31", "doloop_di"): Likewise.
3835         ("*doloop_si_long"): Adapt pattern.
3836
3837 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3838
3839         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3840         access registers.
3841         (CLASS_MAX_NREGS): Likewise.
3842
3843 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3844
3845         * doc/tree-ssa.texi (Statement Operands): Add example for new
3846         must-def macro. Note deprecation of old operands interface.
3847
3848 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3849
3850         PR tree-optimization/19484
3851         * tree-cfg.c (remove_fallthru_edge): New function.
3852         (cleanup_control_flow): Remove fallthru edges from calls that are
3853         now known not to return.
3854
3855 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3856
3857         Fix PR tree-optimization/19038
3858         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3859         copies with loop variant ones.
3860
3861 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3862
3863         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3864         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3865         config/alpha/alpha.md, config/alpha/predicates.md,
3866         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3867         config/sparc/sol2.h: Update copyright.
3868
3869         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3870         first label to see if it is a nonlocal label.
3871
3872 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3873             Andrew Pinski  <pinskia@physics.uc.edu>
3874
3875         PR target/19491
3876         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3877         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3878
3879 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3880
3881         * config/rs6000/rtems.h: Update copyright.
3882
3883 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3884
3885         PR target/19548
3886         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3887         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3888         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3889
3890 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3891
3892         PR c/18809
3893         * c-typeck.c (convert_arguments): Check for error_mark_node.
3894
3895 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3896
3897         PR tree-optimization/13000
3898         * tree-inline.c: Include "tree-flow.h".
3899         (expand_call_inline): If warn_return_type, warn if non-void inline
3900         function falls through.
3901         * tree-cfg.c (execute_warn_function_return): Don't warn about
3902         control reaching end if TREE_NO_WARNING is set.  Set
3903         TREE_NO_WARNING.
3904         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3905         has been lowered.
3906         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3907         branch if we don't need one.
3908         * c-typeck.c: Include "tree-flow.h"
3909         (c_finish_bc_stmt): Don't add a goto if the current statement
3910         list doesn't fall through to the current point.
3911
3912 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3913
3914         PR rtl-optimization/576
3915         * real.c (real_arithmetic): Change return type from void to bool
3916         to return an indication that the result may be inexact.
3917         * real.h (real_arithmeric): Update prototype.
3918         * fold-const.c (const_binop):  Don't constant fold floating
3919         point expressions when the user specifies -frounding-math and
3920         the result may depend upon the run-time rounding mode.
3921         (fold_convert_const_real_from_real): Clean-up.
3922         (fold_initializer): Ignore flag_rounding_math for initializers.
3923         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3924         constant fold FP operations with flag_rounding_math if the
3925         result may depend upon the run-time rounding mode.
3926
3927 2005-01-21  Tom Tromey  <tromey@redhat.com>
3928
3929         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3930
3931 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3932
3933         * tree-cfg.c: Fix comment typos.
3934
3935 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3936
3937         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3938         around the call to rest_of_handle_branch_target_load_optimize.
3939
3940 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3941
3942         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3943         (sparc64-*-openbsd*): Likewise.
3944         (sparclite-*-elf*): Include tm-dwarf2.h.
3945         (sparc86x-*-elf*): Likewise.
3946         (sparc64-*-elf*): Likewise.
3947         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3948         (DBX_DEBUGGING_INFO): Likewise.
3949         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3950         (PREFERRED_DEBUGGING_TYPE): Likewise.
3951         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3952         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3953         (PREFERRED_DEBUGGING_TYPE): Likewise.
3954         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3955         (PREFERRED_DEBUGGING_TYPE): Likewise.
3956         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3957
3958 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3959
3960         PR target/18701
3961         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3962
3963 2005-01-20  Paul Brook  <paul@codesourcery.com>
3964
3965         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3966
3967 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3968
3969         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3970         label is first in a sequence of labels.
3971
3972         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3973
3974 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3975             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3976
3977         * doc/sourcebuild.texi (Test Directives): New.
3978
3979 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3980
3981         * real.c (real_floor): Don't leave the result uninitialized when
3982         mode is VOIDMode, but return the unrounded intermediate value.
3983         (real_ceil): Likewise.
3984
3985 2005-01-20  Paul Brook  <paul@codesourcery.com>
3986
3987         * config/arm/arm.md (insv): Use gen_int_mode.
3988
3989 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3990
3991         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3992         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3993         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3994         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3995         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3996
3997 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3998
3999         Fix PR debug/19124
4000         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4001         fbreg, so we have to assume we can't.
4002         (loc_descriptor_from_tree_1): Ditto.
4003         (containing_function_has_frame_base): New function.
4004         (add_location_or_const_value_attribute): Use it.
4005         Also try to generate a frame_base from a single element location
4006         list.
4007
4008 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4009
4010         PR tree-optimization/15349
4011         * timevar.def (TV_TREE_MERGE_PHI): New.
4012         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4013         PHI_WANTED.
4014         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4015         calls to tree_forwarder_block_p.
4016         (remove_forwarder_block_with_phi, merge_phi_nodes,
4017         gate_merge_phi, pass_merge_phi): New.
4018         * tree-optimize.c (init_tree_optimization_passes): Add
4019         pass_merge_phi.
4020         * tree-pass.h: Add an extern for pass_merge_phi;
4021
4022 2005-01-20  Richard Henderson  <rth@redhat.com>
4023
4024         PR target/19418
4025         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4026         (_mm_castps_pd, _mm_castps_si128): New.
4027         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4028
4029 2005-01-20  Richard Henderson  <rth@redhat.com>
4030
4031         PR target/19530
4032         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4033         __builtin_ia32_vec_init_v2si.
4034         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4035         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4036         (ix86_init_mmx_sse_builtins): Create it.
4037         (ix86_expand_builtin): Expand it.
4038         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4039         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4040         (vec_extractv2si_0, vec_extractv2si_1): New.
4041
4042 2005-01-20  Richard Henderson  <rth@redhat.com>
4043
4044         PR target/16533
4045         * config/i386/i386.c (ix86_expand_push): New.
4046         * config/i386/mmx.md (push<MMXMODE>1): New.
4047         * config/i386/sse.md (push<SSEMODE>1): New.
4048         * config/i386/i386-protos.h: Update.
4049
4050 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4051
4052         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4053         copyright.
4054
4055 2005-01-20  Richard Henderson  <rth@redhat.com>
4056
4057         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4058         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4059
4060 2005-01-19  Richard Henderson  <rth@redhat.com>
4061
4062         PR target/19350
4063         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4064         to V4SFmode in SSE1 fallback load path.
4065
4066 2005-01-19  Richard Henderson  <rth@redhat.com>
4067
4068         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4069         in QImode expansion to ix86_expand_vector_set.
4070         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4071
4072 2005-01-19  Richard Henderson  <rth@redhat.com>
4073
4074         PR target/19511
4075         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4076         subclass of the input class.
4077         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4078         Always true for cross-SSE1 classes.  Rationalize conditionals.
4079         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4080         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4081         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4082         (movdi_2): Add MMX/SSE zeros.
4083         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4084         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4085         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4086         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4087         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4088         (zero_extendsidi2_rex64_1): Remove.
4089         (MOV0 peephole): Check GENERAL_REG_P.
4090
4091 2005-01-19  Richard Henderson  <rth@redhat.com>
4092
4093         PR target/19427
4094         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4095         shufps elements.
4096         (ix86_expand_vector_extract): Likewise.
4097
4098 2005-01-19  Richard Henderson  <rth@redhat.com>
4099
4100         PR middle-end/19304
4101         * expr.c (emit_move_change_mode): New argument force; use
4102         simplify_gen_subreg if true.
4103         (emit_move_via_alt_mode): Merge into ...
4104         (emit_move_via_integer): ... here.
4105         (emit_move_ccmode): Use emit_move_change_mode directly.
4106
4107 2005-01-19  Richard Henderson  <rth@redhat.com>
4108
4109         PR target/19518
4110         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4111         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4112         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4113         rtl if true.
4114         (alpha_emit_set_const): Likewise.  Make static.
4115         (alpha_emit_set_long_const): Make static.
4116         (alpha_extract_integer): Split out from alpha_expand_mov.
4117         (alpha_split_const_mov): Likewise.
4118         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4119         (alpha_legitimate_constant_p): New.
4120         * config/alpha/alpha-protos.h: Update.
4121         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4122         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4123         * config/alpha/alpha.md (movsi): Add n alternative.
4124         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4125         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4126         (splitters for all of the above): Use alpha_split_const_mov.
4127         * config/alpha/predicates.md (non_add_const_operand): New.
4128         (non_zero_const_operand): New.
4129         (input_operand): Use alpha_legitimate_constant_p after reload.
4130
4131 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4132
4133         PR tree-optimization/19038
4134         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4135         (add_candidate): Add ivs with increment in latch only if
4136         allow_ip_end_pos_p is true.
4137         (determine_iv_cost): Use empty_block_p.
4138
4139 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4140
4141         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4142         (compute_dominance_frontiers): Ditto.
4143
4144 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4145
4146         PR target/19529
4147         * config/sh/t-rtems: New.
4148         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4149
4150 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4151
4152         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4153         the offset of the selected field.
4154
4155 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4156
4157         * tree-cfg.c (remove_forwarder_block): Fix the check to
4158         prevent a nonlocal label from appearing in the middle of a
4159         basic block.
4160
4161 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4162
4163         PR rtl-optimization/19462
4164         * reorg.c (find_end_label): Create return insn only if
4165         current_function_epilogue_delay_list is empty.
4166
4167 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4168
4169         * doc/passes.texi: Remove paragraph mentioning new-ra.
4170
4171 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4172
4173         PR rtl-optimization/15139
4174         * combine.c: Include params.h.
4175         (count_rtxs): New function.
4176         (record_value_for_reg): If replace_rtx would replace at least
4177         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4178         (clobber (const_int 0)) instead of TEM.
4179         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4180         * params.h (MAX_LAST_VALUE_RTL): New.
4181         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4182         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4183
4184         PR c/17297
4185         * c-typeck.c (digest_init): Only call build_vector if all constructor
4186         elements are *_CST nodes.
4187         * gimplify.c (gimplify_init_constructor): Likewise.
4188
4189         PR middle-end/19164
4190         * c-typeck.c (digest_init): Only call build_vector if inside_init
4191         is a CONSTRUCTOR.
4192
4193 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4194
4195         * toplev.c (init_asm_output): Remove dead #ifdef.
4196
4197 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4198
4199         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4200
4201 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4202
4203         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4204         accessing DECL_FUNCTION_CODE.
4205         * dojump.c (do_jump): Likewise.
4206         * gimplify.c (gimplify_call_expr): Likewise.
4207         * predict.c (expr_expected_value): Likewise.
4208         (strip_builtin_expect): Likewise.
4209         * tree-inline.c (estimate_num_insns_1): Likewise.
4210         * tree-ssa-loop-im.c (stmt_cost): Likewise
4211         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4212         (tree_expr_nonnegative_p): Likewise.
4213
4214 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4215
4216         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4217         variant of the load_pcrel_sym pattern.
4218         * config/sparc/sparc.md (P macro): Move to the top.
4219         (load_pcrel_sym): Macroize using P.
4220         (save_register_window): Likewise.
4221
4222 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4223
4224         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4225         ("sordered"): Same.
4226
4227 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4228
4229         PR C/19472
4230         * c-typeck.c (build_asm_expr): Strip nops off
4231         input memory operands.
4232
4233 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
4234
4235         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4236         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4237         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4238         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4239
4240 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
4241
4242         PR target/19379
4243         * config/i386/i386.c (override_options): If the 80387 is disabled,
4244         then do not return FP values using FP registers.
4245
4246 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
4247
4248         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4249         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4250         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4251         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4252         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4253         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4254         output.h, postreload-gcse.c, postreload.c, recog.c,
4255         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4256         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4257         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4258         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4259         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4260         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4261         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4262         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4263
4264         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4265         config/alpha/alpha.c, config/arm/vfp.md,
4266         config/i386/emmintrin.h, config/i386/i386-modes.def,
4267         config/i386/i386-protos.h, config/i386/i386.h,
4268         config/i386/pmmintrin.h, config/i386/ppro.md,
4269         config/i386/predicates.md, config/i386/xmmintrin.h,
4270         config/i860/i860.c, config/ia64/ia64-modes.def,
4271         config/ia64/ia64-protos.h, config/ia64/ia64.h,
4272         config/ia64/ia64.md, config/ia64/itanium1.md,
4273         config/ia64/itanium2.md, config/ia64/predicates.md,
4274         config/iq2000/iq2000.h, config/mips/linux64.h,
4275         config/rs6000/aix41.h, config/rs6000/aix43.h,
4276         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4277         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4278         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4279         config/sparc/linux64.h, config/sparc/litecoff.h,
4280         config/sparc/sp64-elf.h, config/sparc/sparc.c,
4281         config/sparc/sparc.h, config/sparc/sparc.md,
4282         config/sparc/sysv4-only.h: Update copyright.
4283
4284 2005-01-18  Richard Henderson  <rth@redhat.com>
4285
4286         PR target/19496
4287         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4288
4289 2005-01-18  Marc Espie  <espie@openbsd.org>
4290         * config/i386/openbsdelf.h: Typo.
4291
4292 2005-01-18  Richard Henderson  <rth@redhat.com>
4293
4294         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4295         special case for sse.
4296         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4297
4298 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4299
4300         * tree-inline.c (estimate_num_insns_1): Added cases for
4301         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4302
4303 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4304
4305         PR rtl-optimization/19296
4306         * combine.c (simplify_comparison): Rewrite the condition under
4307         which a non-paradoxical SUBREG of a PLUS can be lifted when
4308         compared against a constant.
4309
4310 2005-01-18  Andi Kleen <ak@muc.de>
4311
4312         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4313         * c.opt (-Wpointer-sign): Add.
4314         * doc/invoke.texi: (-Wpointer-sign): Add.
4315
4316 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4317
4318         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4319         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4320         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4321         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4322         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4323         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
4324         for TARGET_MIX_SSE_I387.
4325         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4326         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4327         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4328         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4329         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4330         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
4331         TARGET_MIX_SSE_I387.
4332         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4333         from expander.
4334
4335 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4336
4337         PR target/19424
4338         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4339         Add movaps alternative for xmm reg->reg move.
4340
4341 2005-01-17  Jeff Law  <law@redhat.com>
4342
4343         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4344         at the end of the main DOM loop rather than just before DOM exits.
4345
4346 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
4347
4348         PR tree-optimization/19121
4349         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4350         adding aliases to a name tag, also add them to the pointer's
4351         type tag.
4352         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4353         sensitive alias info at all.  Only check that the two pointers
4354         have compatible pointed-to sets.
4355         * tree-ssa.c (verify_name_tags): Verify that the alias set of
4356         a pointer's type tag is a superset of the alias set of the
4357         pointer's name tag.
4358
4359 2005-01-17  James E Wilson  <wilson@specifixinc.com>
4360
4361         PR target/19357
4362         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
4363         comment to document why.
4364
4365 2005-01-17  Richard Henderson  <rth@redhat.com>
4366
4367         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4368         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4369         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4370         sse2_vmsminv2df3_finite): New.
4371         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4372         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4373         Force op1 into register.
4374
4375 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
4376
4377         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4378         bubblestrap from always rebuilding build directory.
4379
4380 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
4381
4382         * config/s390/s390.md ("*clc"): Remove incorrect '='.
4383         ("*cmpmem_short"): Likewise.
4384
4385 2005-01-17  Steven Bosscher  <stevenb@suse.de>
4386
4387         * basic-block.h: Document BB_* flags.
4388         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4389         use an sbitmap instead.
4390         * sched-rgn.c (compute_trg_info): Likewise.
4391
4392 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
4393
4394         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
4395         redundant target_cpu_default and extra_parts lines.  Use the default
4396         "from-abi" ISA.
4397         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4398         (SUBTARGET_EXTRA_SPECS): Delete.
4399         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
4400         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4401         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4402         and "n32" for -mabi=n32.
4403
4404 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4405
4406         PR c/5675
4407         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4408         fold constant variables into initial values.
4409
4410 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4411
4412         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4413
4414         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4415         through the statements backward.
4416
4417 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4418
4419         PR middle-end/13127:
4420         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4421         a variable set to the return value of the inlined function.
4422
4423 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4424
4425         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4426         when modes are tieable.
4427
4428 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4429
4430         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4431         of pthread_create to find out if threads are enabled.
4432         * gthr-posix95.h (__gthread_active_p): Likewise.
4433
4434 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4435
4436         * common.opt (-fnew-ra): Remove.
4437         * ra*.*: Remove.
4438         * toplev.h (flag_new_regalloc): Remove.
4439         * Makefile.in (ra*.*): Don't mention.
4440         * passes.c (rest_of_handle_new_regalloc): Remove.
4441         (rest_of_handle_combine, rest_of_compilation): Always consider
4442         flag_new_regalloc as false.
4443         * doc/invoke.texi: Don't document -fnew-ra.
4444
4445 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4446
4447         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4448         last parameter to reg_scan.
4449         * loop.c (loop_optimize): Likewise.
4450         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4451         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4452         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4453         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4454         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4455         * regclass.c (reg_scan): Likewise, for the declaration.
4456         * rtl.h (reg_scan): Likewise, for the prototype.
4457
4458 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4459
4460         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4461         mark_dfs_back_edges.
4462
4463 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
4464
4465         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4466         (compute_avail): Uses don't go in tmp_gen.
4467
4468 2005-01-16  Steven Bosscher  <stevenb@suse.de>
4469
4470         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4471         loop to look for a free slot in a page entry.
4472
4473 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4474
4475         PR target/16304
4476         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4477         * toplev.c (compile_file): Call process_pending_assemble_output_defs
4478         just before targetm.asm_out.file_end.
4479         * tree.h (process_pending_assemble_output_defs): Declare.
4480         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4481         New functions.
4482         (assemble_alias): Defer generation of assembly code for defines when
4483         TARGET_DEFERRED_OUTPUT_DEFS is true.
4484         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4485         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4486         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4487
4488 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4489
4490         PR target/19336
4491         * pa.c (pa_scalar_mode_supported_p): New function.
4492         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4493         * pa.h (MIN_UNITS_PER_WORD): Add comment.
4494
4495         * pa-protos.h (prefetch_operand): Delete.
4496         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4497         * pa.c (prefetch_operand): Delete.
4498         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4499         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4500         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
4501         and prefetch_nocc_operand.
4502         * pa.md (prefetch): Rework to avoid reload problems handling short
4503         displacements when a cache control completer needs to be provided.
4504         (prefetch_32, prefetch_64): Delete.
4505         (prefetch_cc, prefetch_nocc): New patterns.
4506
4507 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
4508
4509         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4510
4511 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4512
4513         PR ada/19388
4514         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4515         exceeds maximum alignment for global common data.
4516         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4517         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4518
4519 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4520
4521         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4522
4523 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4524
4525         * harg-reg-set.h (reg_class_names): Prototype global array.
4526         * regclass.c (reg_class_names): Declare here and initialize to
4527         REG_CLASS_NAMES.
4528         (dump_regclass): Remove local declaration of reg_class_names.
4529         (regclass): Likewise.
4530         * cfg.c (dump_flow_info): Likewise.
4531         * ra-debug.c (reg_class_names): Likewise.
4532         * regrename.c (reg_class_names): Likewise.
4533         * reload.c (reg_class_names): Likewise.
4534         * reload1.c (spill_failure): Likewise.
4535         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4536
4537 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
4538
4539         * config/s390/s390.md ("reload_outti"): Remove predicate for
4540         output operand.  Abort if operand is not a MEM.
4541         ("reload_outdi", "reload_outdf"): Likewise.
4542
4543 2005-01-15  Marc Espie  <espie@openbsd.org>
4544
4545         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4546         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4547         * config/openbsd.h:  Fix C++ includes for native configurations.
4548         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
4549         Add trampoline support.
4550         * config/i386/openbsdelf.h: New.
4551
4552 2005-01-15  Marc Espie  <espie@openbsd.org>
4553
4554         * collect2.c (main): Explicitly parse -dynamic-linker option.
4555
4556 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
4557
4558         PR tree-optimization/19060
4559         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4560         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4561         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4562         and handle extract_range_from_cond returning false.
4563         * fold-const.c (fold): Optimize comparisons with min/max even for
4564         width > HOST_BITS_PER_WIDE_INT.
4565
4566 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
4567
4568         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4569         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4570         Remove little endian multilib variants.
4571         Add mips32 multilib variant.
4572
4573 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
4574
4575         * explow.c (copy_all_reg, stabilize): Remove.
4576         * expr.h: Remove the corresponding prototypes.
4577
4578         * rtlanal.c (regs_set_between_p): Remove.
4579         * rtl.h: Remove the corresponding prototype.
4580
4581 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
4582
4583         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4584         to rs6000_nonimmediate_operand.
4585         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4586         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4587         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4588         rs6000_nonimmediate_operand.
4589         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4590         rs6000_nonimmediate_operand.
4591
4592 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
4593
4594         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4595
4596 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4597
4598         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4599         on e500v2.
4600         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4601         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4602
4603         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4604         (rs6k_nonimmediate_operand): New.
4605         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4606         correctly.
4607         (legitimate_lo_sum_address_p): Same.
4608         (rs6000_legitimize_address): Same.
4609         (rs6000_legitimize_reload_address): Same.
4610         (rs6000_legitimate_address): Same.
4611         (spe_build_register_parallel): Pass DF and DC modes in a DI
4612         register.
4613
4614         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4615         to rs6k_nonimmediate_operand.
4616
4617         * config/rs6000/spe.md ("*frob_df_di"): New.
4618         ("*frob_di_df"): New.
4619         ("*frob_di_df_2"): New.
4620         ("*mov_sidf_e500_subreg0"): New.
4621         ("*mov_sidf_e500_subreg4"): New.
4622         ("*movdf_e500_double"): Change predicate to
4623         rs6k_nonimmediate_operand.
4624
4625 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4626
4627         * postreload.c (move2add_note_store): Only call
4628         trunc_int_for_mode on scalar integers.
4629
4630 2005-01-14  Steven Bosscher  <stevenb@suse.de>
4631
4632         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4633         replace BB_VISITED uses.
4634         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4635         (propagate_necessity): Check the bitmap instead of BB_VISITED.
4636         (tree_dce_done): Free visited_control_parents.
4637         (perform_tree_ssa_dce): Allocate and clear it.
4638         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4639         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
4640         instead of BB_VISITED.
4641
4642 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
4643
4644         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4645         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4646         Remove unused prototypes.
4647
4648 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4649
4650         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4651         64-bit register usage.
4652         (spe_func_has_64bit_regs_p): Add FIXME note.
4653
4654 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4655
4656         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4657         flag_finite_math_only with flag_unsafe_math_optimizations.
4658
4659 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
4660
4661         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4662         end-of-stack check.
4663         (__tpf_eh_return): Copy TPF private stack area from the module
4664         boundary stack frame.  Add check for when module addresses are
4665         equal, but no stub address is found.
4666
4667 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
4668
4669         PR target/7525
4670         * arm.h (struct machine_function): Add call_via field.
4671         (thumb_call_via_label): Declare.
4672         * arm.c (thumb_call_via_label): New variable.
4673         (thumb_call_reg_needed): New variable.
4674         (arm_output_function_epilogue): For Thumb code, output any per-function
4675         call-indirect trampolines.
4676         (thumb_call_via_reg): New function.
4677         (arm_file_end): New function.
4678         (TARGET_ASM_FILE_END): Call arm_file_end.
4679         (aof_file_end): Likewise.
4680         * arm-protos.h (thumb_call_via_reg): Declare.
4681         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4682         thumb_call_via_reg in normal case.
4683
4684 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
4685
4686         PR middle-end/19084
4687         PR rtl-optimization/19348
4688         * recog.c (peephole2_optimize): Do global life update if some peephole
4689         decides it doesn't need at least one of its inputs and that change
4690         influences liveness at the start of the basic block.
4691
4692         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4693         arguments instead of 1.
4694
4695 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
4696
4697         PR middle-end/18820
4698         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4699         zero for nested functions needing a static chain or functions
4700         with a non-constant address.
4701
4702 2005-01-13  Roger Sayle  <roger@eyesopen.com>
4703
4704         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4705         (and (sign_extend X) C) into (zero_extend (and X C)).
4706
4707 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
4708
4709         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
4710
4711 2005-01-13  Richard Henderson  <rth@redhat.com>
4712
4713         PR target/19009
4714         PR target/19250
4715         PR target/19252
4716         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4717         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4718         not just TARGET_SSE.
4719         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
4720         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4721         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4722         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4723         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4724         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4725         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4726         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4727         (movdicc_c_rex64): Rename with '*'.
4728         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4729         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4730         (movsfcc_1_387): Rename from movsfcc_1.
4731         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4732         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4733         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4734         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4735         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4736         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4737         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4738         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4739         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4740         sse_movdfcc_const0_4): Remove.
4741         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4742         recognize min/max early.  Update for changed sse cmove patterns.
4743         (ix86_split_sse_movcc): New.
4744         * config/i386/i386-protos.h: Update.
4745
4746 2005-01-13  Steven Bosscher  <stevenb@suse.de>
4747
4748         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4749         (fix_stmt_v_may_defs): Likewise.
4750
4751 2005-01-13  Richard Henderson  <rth@redhat.com>
4752
4753         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4754         for converting the mask.
4755
4756 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
4757
4758         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4759         definition to 600.
4760
4761 2005-01-13  Richard Henderson  <rth@redhat.com>
4762
4763         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4764         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4765         IX86_BUILTIN_MOVDQ2Q): Remove.
4766         (IX86_BUILTIN_VEC_EXT_V4SI): New.
4767         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4768         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4769         shuffling.
4770         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4771         (sse2_pextrw): Fix immediate constraint.
4772         (sse2_loadq, sse2_loadq_rex64): Remove.
4773         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4774         Use __builtin_ia32_vec_ext_<size>.
4775         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4776
4777 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
4778
4779         * function.c (assign_parm_setup_block): Look inside original
4780         entry_parm when inspecting PARALLEL.
4781
4782 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
4783             Joel Sherrill  <joel@oarcorp.com>
4784
4785         PR target/19399
4786         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4787         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4788         rtems_gxx_recursive_mutex_init.
4789         (__gthread_recursive_mutex_lock): New function.
4790         (__gthread_recursive_mutex_trylock): Likewise.
4791         (__gthread_recursive_mutex_unlock): Likewise.
4792
4793 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
4794
4795         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4796
4797 2005-01-13  Jan Beulich  <jbeulich@novell.com>
4798
4799         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4800         (ashrti3_internal): Indicate output is early clobber. Generate result
4801         into output rather than first input. Use move for low word of output
4802         if shift count is exactly 64.
4803         (lshrti3_internal): Likewise.
4804
4805 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
4806
4807         PR target/18329
4808         PR target/18330
4809         * reload1.c (delete_output_reload): Don't delete an output reload
4810         if the pseudo lives longer than a single basic block.  Adjust and
4811         improve wording of comment.
4812
4813 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
4814
4815         PR target/19334
4816         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4817         of TYPE_SIZE where we mean the number of bytes.
4818
4819 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
4820
4821         * function.c (assign_parm_setup_block): Relax condition on
4822         multi-register optimization.
4823
4824 2005-01-12  Nick Clifton  <nickc@redhat.com>
4825
4826         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4827         an "in_delay_slot" attribute of "no" to prevent them being used in
4828         delay slots.  This is forbidden because they might generate
4829         exceptions.
4830
4831 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
4832
4833         PR target/19389
4834         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4835         with r->Y and Y->r.
4836
4837 2005-01-12  Nick Clifton  <nickc@redhat.com>
4838
4839         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4840         passed on to GAS) but do not define, as GAS no longer supports or
4841         needs the -m2000 option.
4842
4843 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4844
4845         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4846         type as args of unprototyped builtins aren't automatically promoted.
4847         (fold_builtin_abs): Likewise.
4848
4849 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4850
4851         * Makefile.in: Set a `build-warn' variable.
4852
4853 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4854
4855         PR tree-optimization/17949
4856         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4857         (find_interesting_uses_address): Use it.
4858
4859 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4860
4861         * regrename.c (kill_value): Handle subreg's that won't simplify.
4862
4863 2005-01-11  Richard Henderson  <rth@redhat.com>
4864
4865         PR target/13366
4866         * config/i386/i386.h (enum ix86_builtins): Move ...
4867         * config/i386/i386.c: ... here.
4868         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4869         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4870         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4871         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4872         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4873         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4874         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4875         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4876         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4877         IX86_BUILTIN_LOADDDUP): Remove.
4878         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4879         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4880         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4881         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4882         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4883         (ix86_init_builtins): Make static.
4884         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4885         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4886         if all the modes match.  Otherwise, fake it.
4887         (get_element_number, ix86_expand_vec_init_builtin,
4888         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4889         (ix86_expand_builtin): Make static.  Update for changed builtins.
4890         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4891         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4892         (ix86_expand_vector_init_duplicate): New.
4893         (ix86_expand_vector_init_low_nonzero): New.
4894         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4895         Split out from ix86_expand_vector_init; handle integer modes.
4896         (ix86_expand_vector_init): Use them.
4897         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4898         * config/i386/i386-protos.h: Update.
4899         * config/i386/predicates.md (reg_or_0_operand): New.
4900         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4901         (movv2sf_internal): Likewise.  And a splitter to match them all.
4902         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4903         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4904         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4905         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4906         (mmx_pinsrw): Fix operand ordering.
4907         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4908         rather than sse_loadss expander.
4909         (movv2df splitter): Similarly.
4910         (sse_loadss, sse_loadlss): Remove.
4911         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4912         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4913         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4914         (sse3_movddup): Rename with '*'.
4915         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4916         (sse2_loadsd): Remove.
4917         (vec_dupv2df_sse3): Rename from sse3_loadddup.
4918         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4919         (sse2_pinsrw): Fix argument ordering.
4920         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4921         (sse2_stored): Remove 'r' destination.
4922         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4923         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4924         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4925         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4926         vec_extractv16qi, vec_initv16qi): New.
4927
4928         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4929         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4930         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4931         constructor form.
4932         (_mm_load_pd, _mm_store_pd): Use plain dereference.
4933         (_mm_load_si128, _mm_store_si128): Likewise.
4934         (_mm_load1_pd): Use _mm_set1_pd.
4935         (_mm_load_sd): Use _mm_set_sd.
4936         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4937         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4938         (_mm_set_epi64): Use _mm_set_epi64x.
4939         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4940         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4941         _mm_setr_epi8): Use _mm_set_foo form.
4942         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4943         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4944         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4945         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4946         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4947         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4948         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4949         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4950         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4951         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4952         (_mm_movedup_pd): Use _mm_shuffle_pd.
4953         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4954         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4955         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4956         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4957         Use _mm_setzero_ps.
4958         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4959         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4960         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4961         (_mm_store_ps): Use raw dereference.
4962         (_mm_store1_ps): Use _mm_storeu_ps.
4963         (_mm_storer_ps): Use _mm_store_ps.
4964         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4965         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4966
4967 2005-01-11  Stan Shebs  <shebs@apple.com>
4968
4969         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4970         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4971
4972 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4973
4974         PR target/18761
4975         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4976         Skip all DECLs except for FIELD_DECLs.
4977
4978 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4979
4980         * config/s390/s390.c (override_options): Return error if
4981         -mbackchain, -mpacked-stack and -mhard-float are used together.
4982         (s390_va_start): Remove the backchain && packed-stack special case.
4983         (s390_gimplify_va_arg): Likewise.
4984         * doc/invoke.texi: Remove the ABI incompatibility note.
4985
4986 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4987
4988         * config/s390/s390.c (struct s390_frame_layout): Remove
4989         save_backchain_p.
4990         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4991         save_backchain_p with TARGET_BACKCHAIN.
4992
4993 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4994
4995         PR target/18916
4996         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4997         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4998         * function.c (locate_and_pad_parm): Set new field.
4999         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5000         Tweak where_pad test to include "none".  Always set mem align for
5001         stack_parm.
5002         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5003         not sufficient for type.
5004         (assign_parm_setup_block): If stack_parm is zero on entry, always
5005         make a new stack local.  Block move old stack parm if necessary
5006         to new aligned stack local.
5007         (assign_parm_setup_stack): Use a block move to handle
5008         potentially misaligned entry_parm.
5009         (assign_parms_unsplit_complex): Specify required alignment when
5010         creating stack local.
5011         * calls.c (compute_argument_addresses): Override alignment of stack
5012         arg calculated from its type with the alignment given by
5013         FUNCTION_ARG_BOUNDARY.
5014         (store_one_arg): Likewise.
5015
5016 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5017
5018         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5019         Change respective itanium_class attribute to ialu.
5020         (shladdp4_internal): New.
5021         * config/ia64/predicates.md (shladd_log2_operand): New.
5022
5023 2005-01-11  Richard Henderson  <rth@redhat.com>
5024
5025         * expr.c (store_constructor): Use rtvec_alloc instead of
5026         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5027
5028 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5029
5030         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5031
5032 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5033
5034         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5035         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5036         (TARGET_RWRELOC): Define.
5037         (ia64_rwreloc_section_type_flags): Delete.
5038         (ia64_section_type_flags): New function.
5039         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5040         (TARGET_RWRELOC): Define.
5041
5042 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5043
5044         PR target/18987
5045         * config/ia64/ia64.c (process_set): For alloc insn, only call
5046         process_epilogue is !frame_pointer_needed.
5047
5048 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5049
5050         PR c++/19355
5051         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5052         unary operator and can't be treated as a binary/comparison operator.
5053
5054 2005-01-10  Richard Henderson  <rth@redhat.com>
5055
5056         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5057         (ix86_return_in_memory): Likewise.
5058         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5059         for choosing register to advance.
5060
5061 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5062
5063         * tree-vectorizer.c, tree.def: Fix comment typos.
5064
5065 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5066
5067         * config/s390/s390.c (struct processor_costs): 4 new fields:
5068         ddbr, ddr, debr, der.
5069         (s390_rtx_costs): More precise handling of divide instructions.
5070
5071 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5072
5073         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5074
5075 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5076
5077         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5078         names resulting from -ffunction-sections/-fdata-sections and linkonce
5079         ones.
5080         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5081         based on the section name. Rearrange the section name comparison logic
5082         slightly so that each section name is compared against at most once.
5083
5084 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5085
5086         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5087         targets for which -fPIC reduces limitations on the GOT size.
5088
5089 2005-01-09  Falk Hueffner  <falk@debian.org>
5090
5091         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5092         X/C1 cmpop C2.
5093
5094 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5095
5096         PR target/18720
5097         * collect2.c (main): Set aixrtl_flag for -brtl option.
5098         (resolve_lib_name): Search for .so file extension before .a
5099         if aixrtl_flag set.
5100
5101 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5102
5103         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5104         (vect_analyze_data_refs_alignment): Add dump prints.
5105
5106 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5107
5108         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5109         expr_invariant_in_loop_p.
5110         Initialize outputs first thing in the function.
5111         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5112         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5113         (vect_analyze_pointer_ref_access): Check that the initial condition of
5114         the access function is loop invariant.
5115
5116 2005-01-09  Richard Henderson  <rth@redhat.com>
5117
5118         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5119         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5120         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5121         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5122         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5123         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5124         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5125         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5126         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5127         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5128         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5129         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5130         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5131         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5132         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5133         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5134         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5135         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5136         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5137         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5138         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5139         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5140         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5141         mmx_ prefix.
5142         (mmx_clrdi, pavgusb): Remove.
5143         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5144         with leading sse_ prefix.
5145         * config/i386/sse.md: Receive them.
5146         * config/i386/mmx.md: New file.
5147         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5148         (subrv2sf3): Turn into expander for normal subtraction.
5149         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5150         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5151         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5152         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5153         commutative; use ix86_binary_operator_ok.
5154         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5155         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5156         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5157         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5158         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5159         Macroize from existing patterns; use ix86_binary_operator_ok.
5160         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5161         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5162         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5163         with vec_select+vec_concat.
5164         (mmx_pshufw, mmx_pshufw_1): Likewise.
5165         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5166         (mmx_uavgv4hi3): Model correctly.
5167         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5168         _mm_xor_si64): Remove casts.
5169
5170 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5171
5172         PR tree-optimization/19224
5173         * tree-scalar-evolution.c (get_instantiated_value,
5174         set_instantiated_value): New functions.
5175         (instantiate_parameters_1): Cache the results.
5176         (instantiate_parameters, resolve_mixers): Initialize and free
5177         the cache.
5178
5179 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5180
5181         * config/i386/i386.md (addhi_4): Correct reference in comment.
5182         (addqi_4): Same.
5183
5184 2005-01-08  Richard Henderson  <rth@redhat.com>
5185
5186         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5187         (_mm_cvtsi128_si64x): Likewise.
5188         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5189         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5190         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5191         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5192         * config/i386/i386-protos.h: Update.
5193         * config/i386/i386.c (print_operand): Add 'H'.
5194         (ix86_fixup_binary_operands): Split out from ...
5195         (ix86_expand_binary_operator): ... here.
5196         (ix86_fixup_binary_operands_no_copy): New.
5197         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5198         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5199         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5200         (safe_vector_operand): Use CONST0_RTX.
5201         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5202         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5203         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5204         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5205         special cases.
5206         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5207         (IX86_BUILTIN_CMPNGESS): New.
5208         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5209         (attr type): Add sselog1.
5210         (attr unit, attr memory): Handle it.
5211         (movti, movti_internal, movti_rex64): Move near other integer moves.
5212         (movtf, movtf_internal): Move near other fp moves.
5213         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5214         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5215         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5216         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5217         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5218         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5219         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5220         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5221         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5222         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5223         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5224         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5225         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5226         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5227         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5228         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5229         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5230         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5231         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5232         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5233         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5234         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5235         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5236         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5237         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5238         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5239         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5240         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5241         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5242         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5243         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5244         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5245         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5246         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5247         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5248         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5249         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5250         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5251         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5252         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5253         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5254         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5255         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
5256         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5257         same time.
5258         (SSEPUSH, push<SSEPUSH>): Remove.
5259         (MMXPUSH, push<MMXPUSH>): Remove.
5260         (sse_movaps, sse_movaps_1, sse_movups): Remove.
5261         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5262         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5263         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5264         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5265         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5266         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5267         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5268         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5269         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5270         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5271         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
5272         (ppro_sse_log_V4SF): Handle sselog1.
5273         * config/i386/predicates.md (const_0_to_1_operand): New.
5274         (const_0_to_255_mul_8_operand): New.
5275         (const_1_to_31_operand): Rename from const_int_1_31_operand.
5276         (const_2_to_3_operand, const_4_to_7_operand): New.
5277         * config/i386/sse.md: New file.
5278         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5279         (sse_movups): Rename from sse_movups_1.
5280         (sse_loadlss): Rename from sse_loadss_1.
5281         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5282         from the name.
5283         (negv4sf2): Use ix86_expand_fp_absneg_operator.
5284         (absv4sf2, negv2df, absv2df): New.
5285         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5286         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5287         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5288         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5289         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5290         (sse3_addsubv4sf3): Model correctly.
5291         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5292         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5293         (sse_movhlps): Model with vec_select+vec_concat.
5294         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5295         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5296         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5297         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5298         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5299         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5300         sse2_pshufhw_1): Likewise.
5301         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5302         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5303         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5304         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5305         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5306         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5307         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5308         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5309         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5310         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5311         sminv8hi3): Mark commutative
5312         operands.  Use ix86_binary_operator_ok.
5313         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5314         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5315         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5316         sse2_punpcklqdq): Allow operand2 in memory.
5317         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5318         sse2_movsd): Add memory alternatives.
5319         (sse_storelps): Turn expander into an insn; split after reload.
5320         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5321         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5322
5323 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5324
5325         * configure.ac (DWARF-2 debug_line): Use objdump.
5326         * configure: Regenerate.
5327
5328 2005-01-08  Jeff Law  <law@redhat.com>
5329             Diego Novillo  <dnovillo@redhat.com>
5330
5331         PR tree-optimization/18241
5332         * tree-nrv.c (tree_nrv): Ignore volatile return values.
5333         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5334         statements with volatile operands.
5335         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5336         operands after marking a statement with has_volatile_ops.
5337
5338 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5339
5340         * tree.c (int_fits_type_p): Always honor integer constant
5341         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5342
5343 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5344
5345         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5346         the latent bug in rtl_delete_block has been resolved.
5347
5348 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5349
5350         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5351         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5352
5353 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5354
5355         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5356         library as @multilib_dir@/$(SHLIB_SONAME).
5357
5358 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5359
5360         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5361         * configure: Regenerate.
5362
5363 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5364
5365         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5366         TYPE_MODE.
5367
5368 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
5369
5370         PR target/13674
5371         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5372         Convert non-word aligned offset address using ld/std into
5373         indirect address.
5374
5375 2005-01-07  Richard Henderson  <rth@redhat.com>
5376
5377         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5378
5379 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
5380
5381         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5382
5383 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5384
5385         PR tree-optimization/19283
5386         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5387         is not shorter than the original type.
5388
5389         PR rtl-optimization/19012
5390         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5391
5392         PR rtl-optimization/18861
5393         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5394         (FULL_STATE): Define.
5395         (mark_tablejump_edge): New function.
5396         (purge_dead_tablejump_edges): New function.
5397         (find_bb_boundaries): Use it.
5398
5399         PR tree-optimization/18828
5400         * builtins.c (expand_builtin_next_arg): Remove argument and all
5401         the argument checking.
5402         (expand_builtin): Adjust caller.
5403         (expand_builtin_va_start): Likewise.  Remove error for too many
5404         arguments.
5405         (fold_builtin_next_arg): Issue error for too many arguments.
5406         After checking arguments, replace them with magic arguments that
5407         prevent further checking of the args.
5408
5409 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5410
5411         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5412
5413 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5414
5415         PR target/6077
5416         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5417         and %{.S:...} (and their negative variants) to test whether the
5418         input file is assembler or pre-processed-assembler independent of
5419         the actual filename extension.
5420
5421 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5422
5423         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5424         of sign or zero extended values.
5425
5426 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5427
5428         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5429         for IBM long double format correctly.
5430
5431 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5432
5433         Fix PR tree-optimization/18792
5434
5435         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5436         to first_loop_depth, and use loop depth instead of loop number.
5437         (build_classic_dir_vector): Ditto.
5438         (compute_data_dependences_for_loop): Use depth, not loop number.
5439         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5440         number. Pass in loops, instead of loop numbers.
5441         (gather_interchange_stats): Ditto.
5442         (linear_transform_loops): Ditto.
5443
5444 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5445
5446         PR rtl-opt/13299
5447         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5448         biv_fits_mode_p, extension_within_bounds_p): New functions.
5449         (check_ext_dependent_givs): Use them.
5450
5451 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5452
5453         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5454         more than one barrier, in which case we should delete them all.
5455
5456 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5457
5458         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5459
5460 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
5461
5462         Fix PR middle-end/19286
5463         Fix PR debug/19267
5464         * dwarf2out.c (gen_subprogram_die): If we've already tried to
5465         output this subprogram, simply ignore this attempt to do it again.
5466         (add_abstract_origin_attribute): Don't abort trying to add the abstract
5467         origin attribute if it's not possible.
5468         (gen_block_die): Don't ignore subblocks of "unused" blocks.
5469         (decls_for_scope): Ditto.
5470         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5471         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5472
5473 2005-01-05  Richard Henderson  <rth@redhat.com>
5474
5475         PR target/11327
5476         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5477         (bdesc_2arg): Use it.
5478         (ix86_expand_binop_builtin): Force operands into registers
5479         when optimizing.
5480         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5481         ix86_expand_sse_compare, ix86_expand_sse_comi,
5482         ix86_expand_builtin): Likewise.
5483
5484 2005-01-05  Richard Henderson  <rth@redhat.com>
5485
5486         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5487         and VEC_SELECT.
5488         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5489         (mulv4hi3): Set itanium_class mmmul.
5490         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5491         (fpack): Rename from fpack_sfsf.
5492
5493 2005-01-05  Richard Henderson  <rth@redhat.com>
5494
5495         PR rtl-opt/10692
5496         * reload1.c (do_input_reload): Restrict the optimization deleteing
5497         a previous output reload to RELOAD_FOR_INPUT.
5498
5499 2005-01-05  Steven Bosscher  <stevenb@suse.de>
5500
5501         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
5502         comment that we fall through after case.
5503         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5504         (distribute_links): Likewise.
5505         * cse.c (cse_insn): Likewise.
5506         * cselib.c (cselib_invalidate_mem): Likewise.
5507         * df.c: Update comments at the top of the file.
5508         (read_modify_subreg_p): Update comments here too.
5509         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5510         * flow.c (mark_set_1): Likewise.
5511         (mark_used_regs): Likewise.
5512         * gcse.c (mems_conflict_for_gcse_p): Likewise.
5513         (canon_list_insert): Likewise.
5514         (mark_set): Likewise.
5515         (try_replace_reg): Likewise.
5516         (store_killed_in_insn): Likewise.
5517         * loop.c (count_one_set): Likewise.
5518         (basic_induction_var): Likewise.
5519         * postreload-gcse.c (find_mem_conflicts): Likewise.
5520         * postreload.c (reload_combine_note_store): Likewise.
5521         (move2add_note_store): Likewise.
5522         * reload.c (find_equiv_reg): Likewise.
5523         (mark_referenced_resources): Likewise.
5524         * rtlanal.c (set_noop_p): Likewise.
5525         (note_stores): Likewise.
5526         (note_uses): Likewise.
5527         * sched-deps.c (sched_analyze_1): Likewise.
5528         * sched-rgn.c (check_live_1): Likewise.
5529         (update_live_1): Likewise.
5530         * config/i860/i860.c: Likewise.
5531
5532         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5533         an lvalue.
5534         (ZERO_EXTRACT): Mention that this one can be an lvalue.
5535
5536         * doc/rtl.texi: Update documentation for bit-fields and SET.
5537
5538 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5539
5540         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5541
5542 2005-01-05  Jan Hubicka  <jh@suse.cz>
5543             Richard Henderson  <rth@redhat.com>
5544
5545         PR target/18910
5546         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5547         with an offset.
5548
5549 2005-01-05  Richard Henderson  <rth@redhat.com>
5550
5551         PR target/12902
5552         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5553         (sse_shufps): Change operand 3 to const_int_operand.
5554         (sse2_storelps): Fix typo in template.
5555         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5556         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5557         (ix86_expand_builtin): Likewise.
5558
5559 2005-01-05  Julian Brown  <julian@codesourcery.com>
5560
5561         * config/arm/arm.c (arm_return_in_memory): Treat complex types
5562         as aggregates for AAPCS ABIs.
5563
5564 2005-01-05  Stan Shebs  <shebs@apple.com>
5565
5566         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5567         Mach-O getters if ppc64.
5568         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5569         size argument.
5570         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5571         signed four-byte field for global code case.
5572         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5573
5574 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5575
5576         PR middle-end/19100
5577         * c-common.c: Include real.h.
5578         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5579         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5580         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5581         * Makefile.in (c-common.o): Update dependencies.
5582
5583 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5584
5585         * c-parse.in (asm_string): Add trailing semicolon.
5586
5587 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5588
5589         * c-parse.in (asm_string): New.  Don't allow wide strings in
5590         'asm'.
5591         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5592         asm_string instead of STRING.
5593
5594 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5595
5596         * c-typeck.c (constructor_no_implicit): Remove.
5597         (set_designator, process_init_element): Don't check
5598         constructor_no_implicit.
5599
5600 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
5601             Kaz Kojima  <kkojima@gcc.gnu.org>
5602
5603         PR target/16482
5604         * lcm.c (create_pre_exit): New.
5605         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5606         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
5607
5608 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5609
5610         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5611         -msoft-float in target_float_switch.
5612         * arm.c (arm_override_options): Fix processing of target_float_switch.
5613
5614 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5615
5616         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5617         preferencing.
5618
5619 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
5620
5621         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5622         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5623
5624 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5625
5626         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5627         if deleting the then-block allows the test-block to fallthru to the
5628         else-block.
5629
5630 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
5631
5632         PR c/19152
5633         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5634         after the full declaration if the are in two different TUs.
5635
5636 2005-01-04  Richard Henderson  <rth@redhat.com>
5637
5638         PR tree-opt/19158
5639         * tree-sra.c (generate_one_element_init): Just
5640         call gimplify_and_add.
5641         (generate_element_init): Record the
5642         new referenced variables and mark them for renaming
5643         and split out to ...
5644         (generate_element_init_1): This.
5645         (scalarize_init): Don't call push_gimplify_context/
5646         pop_gimplify_context.
5647
5648 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
5649
5650         * toplev.c (get_src_pwd): Handle failure of getpwd().
5651
5652 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5653
5654         * fold-const.c (fold_single_bit_test): Delete unreachable handling
5655         of TRUTH_NOT_EXPR.
5656         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5657         all the cases handled by it are inverted by invert_truthvalue.
5658
5659 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5660
5661         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5662         (save_register_windowsi): Likewise.
5663
5664 2005-01-04  Richard Henderson  <rth@redhat.com>
5665
5666         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5667
5668 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5669
5670         PR middle-end/17767
5671         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5672         any simplifications of vector mode comparison operators.
5673         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5674
5675 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
5676             Devang Patel  <dpatel@apple.com>
5677
5678         PR tree-optimization/18308
5679         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5680         the operands before creating a new expression.
5681         * dojump.c (do_jump): Make drop_through_label available
5682         for all cases.  Add expansion of COND_EXPR.
5683
5684 2005-01-04  Ira Rosen  <irar@il.ibm.com>
5685
5686         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5687         INTEGER_CST instead of TREE_CONSTANT.
5688         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5689         instead of TREE_CONSTANT.
5690         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5691         instead of TREE_CONSTANT.
5692
5693 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5694
5695         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5696
5697 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5698
5699         PR target/19240
5700         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5701         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5702
5703 2005-01-03  Richard Henderson  <rth@redhat.com>
5704
5705         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5706         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5707         fold_convert_const_real_from_real): Split out from ...
5708         (fold_convert_const): ... here.
5709
5710 2005-01-03  Richard Henderson  <rth@redhat.com>
5711
5712         PR target/19235
5713         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5714         (mov<MMXMODEI>_internal): Likewise.
5715         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5716         Add V2SF case; use it for SSE1; don't use TI.
5717         (movdf_integer): Likewise.
5718         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5719
5720 2005-01-03  Ira Rosen  <irar@il.ibm.com>
5721
5722         * tree-vectorizer.c (vect_strip_conversions): New function.
5723         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5724         check for binary class.
5725
5726 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
5727
5728         Fix PR debug/17924
5729         Fix PR debug/19191
5730         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5731         is a decl.
5732         * gimple-low.c (mark_blocks_with_used_vars): New function.
5733         (mark_blocks_with_used_subblocks): Ditto.
5734         (mark_used_blocks): Ditto.
5735         (pass_mark_used_blocks): New pass.
5736         * tree-inline.c: Include debug.h.
5737         (expand_call_inline): Call outlining_inline_function here.
5738         * tree-optimize.c (init_tree_optimization_passes): Add
5739         pass_mark_used_blocks.
5740         * tree-pass.h (pass_mark_used_blocks): New.
5741         * Makefile.in (tree-inline.o): Add debug.h dependency.
5742
5743 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
5744
5745         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5746         VAR_DECLs to have weak_import attribute.
5747
5748         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5749         'struct ucontext'.
5750
5751 2004-01-03  Steven Bosscher  <stevenb@suse.de>
5752
5753         * passes.c (rest_of_compilation): Don't run regmove if only
5754         flag_expensive_optimizations, require flag_regmove instead.
5755
5756 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5757
5758         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5759         register "sparc".
5760         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5761         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5762         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5763         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5764
5765 2005-01-03  Richard Henderson  <rth@redhat.com>
5766
5767         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5768         (ia64_const_ok_for_letter_p): New.
5769         (ia64_const_double_ok_for_letter_p): New.
5770         (ia64_extra_constraint): New.
5771         (ia64_expand_vecint_compare): New.
5772         (ia64_expand_vcondu_v2si): New.
5773         (ia64_expand_vecint_cmov): New.
5774         (ia64_expand_vecint_minmax): New.
5775         (ia64_print_operand): Add 'v'.
5776         (ia64_preferred_reload_class): New.
5777         (ia64_vector_mode_supported_p): New.
5778         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5779         (PREFERRED_RELOAD_CLASS): Move to function.
5780         (CONST_OK_FOR_LETTER_P): Move to function.
5781         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5782         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5783         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5784         (EXTRA_CONSTRAINT): Move to function.
5785         * config/ia64/ia64.md: Include vect.md.
5786         (itanium_class): Add mmalua.
5787         (type): Handle it.
5788         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
5789         (1b_mmalua): New.
5790         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5791         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5792         CONST0_RTX.
5793         (const_int_2bit_operand): New.
5794         (fr_reg_or_0_operand): New.
5795         * config/ia64/ia64-modes.def: Add vector modes.
5796         * config/ia64/ia64-protos.h: Update.
5797         * config/ia64/vect.md: New file.
5798
5799 2005-01-03  Richard Henderson  <rth@redhat.com>
5800
5801         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5802
5803 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
5804
5805         PR target/19236
5806         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5807         to SFmode.
5808         (log1pdf2): Change mode of operands[0,1] to DFmode.
5809
5810 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5811
5812         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5813         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5814         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5815         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5816         SPARC_RELAXED_ORDERING.
5817
5818 2005-01-03  Richard Henderson  <rth@redhat.com>
5819             Uros Bizjak  <uros@kss-loka.si>
5820
5821         PR target/14631
5822         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5823         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5824         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5825         handling.
5826         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5827         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5828         const_pow2_1_to_128_operand): New predicates.
5829
5830 2005-01-02  Greg McGary  <greg@mcgary.org>
5831
5832         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5833         anonymous decls.
5834         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5835         object.  [ptr_type]: Remove unused variable.
5836         Remember nearest addressable array-element or record-component
5837         when checking bitfield components.  Tolerate empty BIND_EXPR.
5838
5839 2005-01-01  Richard Henderson  <rth@redhat.com>
5840
5841         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5842         that don't narrow the value.  Fail for other conversions.
5843
5844 2005-01-01  Richard Henderson  <rth@redhat.com>
5845
5846         PR c/19031
5847         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5848         * c-lang.c (finish_file): Don't do it here.
5849         * objc/objc-act.c (objc_finish_file): Likewise.
5850
5851         * cgraph.c (decl_assembler_name_equal): New.
5852         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5853         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5854         * cgraph.h (struct cgraph_varpool_node): Add next.
5855         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5856         * varasm.c (assemble_alias): Mark the target as needed.
5857
5858 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
5859
5860         PR middle-end/19221
5861         * function.c (get_arg_pointer_save_area): Use entry_of_function
5862         instead of get_insns.
5863
5864 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5865             Andrew Pinski  <pinskia@physics.uc.edu>
5866             James E. Wilson  <wilson@specifixinc.com>
5867
5868         PR rtl-optimization/12092
5869         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5870         is zero.
5871
5872 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5873             Olivier Hainque  <hainque@act-europe.fr>
5874
5875         * tree.c (int_fits_type_p): A narrower type always fits in a
5876         wider one, except for negative values into unsigned types.
5877
5878 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5879
5880         * tree.c (int_fits_type_p): Compare the result of force_fit_type
5881         with the original constant rather than require TREE_OVERFLOW.
5882
5883 2005-01-01  Steven Bosscher  <stevenb@suse.de>
5884
5885         PR middle-end/17544
5886         * c-decl.c (finish_function): If compiling C99, annotate the
5887         compiler generated return with the current file name and line 0.
5888         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5889         the source line is greater than 0.
5890         (remove_bb): Likewise.
5891
5892 See ChangeLog.12 for earlier changes.