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* ChangeLog: Update entry.
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1 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
4         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
5         SUBREG and MEM, respectively.
6
7 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
8
9         * fold-const.c (fold_binary): Avoid directly using the original
10         expression t as much as possible.
11
12 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
13
14         * c-semantics.c (build_stmt): Use TYPE_P instead of
15         IS_NON_TYPE_CODE_CLASS.
16         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
17         (NON_TYPE_CHECK): Use TYPE_P instead of
18         IS_NON_TYPE_CODE_CLASS.
19
20         * fold-const.c (fold): Remove handling of binary expressions.
21
22 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
23
24         * doc/c-tree.texi: Wrap comments in @r{}.
25         * doc/cpp.texi: Likewise.
26         * doc/cppinternals.texi: Likewise.
27         * doc/extend.texi: Likewise.
28         * doc/md.texi: Likewise.
29         * doc/objc.texi: Likewise.
30         * doc/sourcebuild.texi: Likewise.
31         * doc/tm.texi: Likewise.
32         * doc/tree-ssa.texi
33
34 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
35
36         * predict.c (apply_return_prediction): Standardize PHI chain
37         walking.
38         * tree-ssa.c (ssa_redirect_edge): Likewise.
39
40         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
41         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
42         Update copyright.
43
44         * tree-phinodes.c (remove_phi_node): Drop the last argument.
45         * tree-flow.h: Adjust the prototype for remove_phi_node.
46         * lambda-code.c (perfect_nestify): Adjust a call to
47         remove_phi_node.
48         * tree-cfg.c
49         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
50         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
51         Likewise.
52         * tree-ssa-dce.c (remove_dead_phis): Likewise.
53         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
54         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
55         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
56
57         * combine.c (simplify_and_const_int): Use gen_int_mode instead
58         of GEN_INT (trunc_int_for_mode (...)).
59         * loop-iv.c (iv_number_of_iterations): Likewise.
60         * postreload.c (reload_cse_move2add): Likewise.
61         * simplify-rtx.c (simplify_const_unary_operation,
62         simplify_const_binary_operation): Likewise.
63         * stor-layout.c (get_mode_bounds): Likewise.
64
65         * fold-const.c (fold_binary): New.
66         (fold): Call fold_binary on binary expressions.
67
68 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
69
70         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
71         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
72         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
73         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
74         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
75
76 2005-03-04  Devang Patel  <dpatel@apple.com>
77         
78         PR tree-optimization/18815
79         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
80         loops with zero exit edges.
81
82 2005-03-04  Devang Patel  <dpatel@apple.com>
83
84         * doc/invoke.texi: Remove reference to webpage that does not exist.
85         
86 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
87             Joseph S. Myers  <joseph@codesourcery.com>
88
89         PR c++/19797
90         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
91         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
92         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
93         * pa.c (get_plabel): Change argument to symbol_ref.  Call
94         maybe_get_identifier instead of get_identifier.
95         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
96         (struct deferred_plabel): Replace name field with symbol field.
97         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
98         ASM_OUTPUT_EXTERNAL_REAL is defined.
99         (output_global_address): Use output_addr_const for output of all
100         symbol_refs.
101         (output_deferred_plabels): Use symbol_ref instead of name for address
102         output.
103         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
104         ASM_OUTPUT_SYMBOL_REF): New macros.
105         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
106         comment.
107         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
108         label.
109
110 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
111
112         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
113         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
114
115 2005-03-04  Jeff Law  <law@redhat.com>
116
117         * basic-block.h (rediscover_loops_after_threading): Declare.
118         * tree-ssa-dom.c: Include cfgloop.h.
119         (tree_ssa_dominator_optimize): Discover loops and some basic
120         properties.  Remove forwarder blocks recreated by loop header
121         canonicalization.  Also mark backedges in the CFG.
122         * tree-ssa-threadupdate.c: Include cfgloop.h
123         (rediscover_loops_after_threading): Define.
124         (struct local_info): New field, JUMP_THREADED.
125         (prune_undesirable_thread_requests): New function.
126         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
127         then record that fact for the callers of redirct_edges.
128         (thread_block): If BB has incoming backedges, then call
129         prune_undesirable_thraed_requests.    Note when we are
130         going to have to rediscover loop information.  Return a
131         boolean indicating if any jumps were threaded.
132         (thread_through_all_blocks): Bubble up boolean indicating
133         if any jumps were threaded.
134         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
135         (tree-ssa-threadupdate.o): Similarly.
136
137 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
138
139         * fold-const.c (fold_ternary): Unroll the "for" loop to
140         extract operands.  
141
142 2005-03-04  Andrew Haley  <aph@redhat.com>
143
144         * unwind-dw2-fde-glibc.c (struct
145         unw_eh_callback_data.check_cache): New field.
146         (frame_hdr_cache): New.
147         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
148         Cache frame header info.
149
150 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
151
152         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
153         (print_c_condition): Declare.
154         * read-rtl.c (ptr_loc): New structure.
155         (ptr_locs, ptr_loc_obstack, joined_conditions)
156         (joined_conditions_obstack): New variables.
157         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
158         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
159         (join_c_conditions, print_c_condition): New functions.
160         (apply_macro_to_string): Associate the new string with the same
161         source location as the old one.
162         (add_condition_to_string): Use join_c_conditions.
163         (read_string): Use set_rtx_ptr_loc to record a filename and line
164         number for the string.
165         (read_rtx): Initialize the new variables above.
166         * genattrtab.c (write_test_expr, write_attr_value): Use
167         print_c_condition.
168         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
169         comment above the GCC_VERSION check.
170         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
171         Inline the definition of MAYBE_EVAL.
172         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
173         * genoutput.c (process_template): Likewise.
174         * genpreds.c (write_predicate_subfunction): Likewise.
175         (write_predicate_expr): Use print_c_condition.
176         * genrecog.c (write_cond): Likewise.
177         * gensupport.c (process_rtx): Use join_c_conditions to join the
178         conditions of a define_insn_and_split.  Record a source location
179         for the string after the "&&".
180         (alter_test_for_insn): Use join_c_conditions.
181
182 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
183
184         Revert for now:
185         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
186         PR tree-optimization/15784
187         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
188         and -1 - A to ~A.
189
190 2005-03-04  Ben Elliston  <bje@au.ibm.com>
191
192         * gcc.c (option_map): Add --coverage.
193         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
194         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
195         * config/darwin.h: Pass -lgcov for `coverage'.
196         * doc/invoke.texi (Debugging Options): Document --coverage.
197
198 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
199
200         * gcse.c (bypass_block): Use find_edge wherever possible.
201
202 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
203
204         Fix PR debug/20253
205         
206         * c-opts.c (c_common_parse_file): Call start_source_file
207         and end_source_file at the approriate times.
208
209         * dwarf2out.c (dwarf2out_finish): Don't auto-end
210         the main file, it will be done for us now.
211         
212 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
213
214         * fold-const.c (fold_ternary): New.
215         (fold): Call fold_ternary on ternary expressions.  Remove
216         handling of ternary expressions.
217
218 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
219
220         PR tree-optimization/15784
221         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
222         and -1 - A to ~A.
223
224 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
225
226         * config/rs6000/predicates.md (branch_comparison_operator):
227         Convert from C block to conditional format.
228
229 2005-03-03  Jan Hubicka  <jh@suse.cz>
230
231         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
232         and non-constant public variables.
233
234 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
235
236         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
237         with LABEL_EXPR.
238
239         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
240         EDGE_I.
241
242         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
243         calls to release_ssa_name and release_phi_node.
244
245         * fold-const.c (fold): Remove handling of unary expressions.
246
247         * fold-const.c (fold_unary): Avoid directly using the original
248         expression t as much as possible.
249
250 2005-03-03  Roger Sayle  <roger@eyesopen.com>
251             Andrew Pinski  <pinskia@physics.uc.edu>
252
253         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
254         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
255
256 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
257
258         Describe special registers SRP and MOF as allocatable registers.
259         * config/cris/cris.c (cris_md_asm_clobbers): New function.
260         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
261         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
262         TARGET_HAS_MUL_INSNS.
263         (cris_print_operand) <case 'd'>: New case.
264         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
265         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
266         define.
267         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
268         (REG_ALLOC_ORDER): Update for MOF.
269         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
270         SPECIAL_REGS.
271         (GENERAL_REGS): No longer a define of ALL_REGS.
272         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
273         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
274         Adjust accordingly.
275         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
276         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
277         (SECONDARY_RELOAD_CLASS): Define.
278         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
279         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
280         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
281         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
282         (REGISTER_MOVE_COST): Define.
283         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
284         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
285         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
286         (CRIS_MOF_REGNUM): New define_constants.
287         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
288         special registers.
289         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
290         New patterns.
291         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
292         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
293         Adjust for MOF being properly described as a register.
294         (indir_to_reg_split): Name this split.  Conditionalize on the
295         destination register being a general register.
296         (movei): Conditionalize on on operands 0 and 1 having the same
297         register class.
298
299 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
300
301         PR target/20277
302         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
303         -mcpu to override any other explicitly given flags.
304
305 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
306
307         * recog.c (verify_changes, confirm_change_group): New functions,
308         broken out of apply_change_group.
309         (apply_change_group): Use them.
310         * recog.h (verify_change, confirm_change_group): Declare.
311         * rtl.h (redirect_jump_2): Declare.
312         * jump.c (redirect_exp, invert_exp): Delete.
313         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
314         (redirect_jump_2): New function, broken out of redirect_jump.
315         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
316         (invert_jump): Use invert_jump_1 and redirect_jump_2.
317         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
318
319 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
320
321         * varasm.c (named_section): Use xstrdup rather than doing it by
322         hand.
323
324         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
325
326 2005-03-02  Devang Patel  <dpatel@apple.com>
327         
328         Undo PR tree-optimization/18815 fix.
329         
330 2005-03-02  Devang Patel  <dpatel@apple.com>
331
332         PR tree-optimization/18815
333         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
334         loops with zero exit edges.
335         
336 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
337
338         * cfg.c (connect_src, connect_dest, disconnect_src,
339         disconnct_dest): New.
340         (unchecked_make_edge, remove_edge, redirect_edge_succ,
341         redirect_edge_pred): Use the new functions.
342
343         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
344         free_dominance_info only when needed.
345
346 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
347
348         PR target/20276
349         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
350         (reg_or_sub_cint64_operand): Same.
351
352 2005-03-02  Jeff Law  <law@redhat.com>
353
354         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
355         CFG_ALTERED in the main DOM iteration loop.
356
357 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
358
359         PR c++/19916
360         * varasm.c (initializer_constant_valid_p): Allow conversions
361         between OFFSET_TYPEs.  Tidy.
362
363 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
364
365         * config/cris/cris.md ("return"): Remove epilogue delay list
366         sanity check.
367
368 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
369
370         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
371         for Thumb.
372         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
373
374 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
375
376         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
377         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
378         config/m68k/m68k.c, config/mips/mips.h,
379         config/rs6000/rs6000-protos.h, doc/contrib.texi,
380         doc/include/gcc-common.texi: Update copyright.
381
382         PR middle-end/18029 and PR middle-end/18030
383         * expr.c (optimize_bitfield_assignment_op): Add a special case
384         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
385
386         * fold-const.c (fold_unary): New.
387         (fold): Call fold_unary on unary expressions.
388
389 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
390
391         * cgraph.h (struct cgraph_edge): Add prev_caller and
392         prev_callee fields.
393         (cgraph_node_remove_callees): Export.
394         * cgraph.c (cgraph_create_edge): Initialize prev_caller
395         and prev_callee.
396         (cgraph_edge_remove_callee): New function.
397         (cgraph_edge_remove_caller): Likewise.
398         (cgraph_remove_edge): Use.
399         (cgraph_redirect_edge_callee): Likewise.
400         (cgraph_node_remove_callees): New function.
401         (cgraph_node_remove_callers): Likewise.
402         (cgraph_remove_node): Use.
403         * tree-optimize.c (tree_rest_of_compilation): Use
404         cgraph_node_remove_callees instead of manual loop.
405         * cgraphunit.c (cgraph_finalize_function): Likewise.
406         (cgraph_expand_function): Likewise.
407         (cgraph_remove_unreachable_nodes): Likewise.
408
409 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
410
411         PR c/8927
412         * c-tree.h (undeclared_variable, build_external_ref): Add extra
413         argument.
414         * c-decl.c (undeclared_variable): Take location as argument.
415         * c-typeck.c (build_external_ref): Likewise.
416         * c-parser.c (c_parser_postfix_expression): Pass location of
417         identifier to build_external_ref.
418
419 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
420
421         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
422         CCEQ mode for branch_positive_comparison_operator test.
423         * config/rs6000/predicates (branch_comparison_operator): Revert to
424         define_predicate.
425         (scc_comparison_operator): Same.
426         (branch_positive_comparison_operator): Same.
427
428 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
429
430         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
431         (cris_delay_slots_for_epilogue): Remove.
432         (save_last): Move into cris_target_asm_function_epilogue.
433         (cris_target_asm_function_epilogue): Remove tests for file being
434         NULL.
435         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
436         (cris_delay_slots_for_epilogue): Remove prototypes.
437         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
438         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
439
440 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
441
442         * config/rs6000/predicates.md (branch_comparison_operator): Change
443         to define_special_predicate.
444         (scc_comparison_operator): Same.
445         (branch_positive_comparison_operator): Same.
446
447 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
448
449         * Makefile.in (tree-ssa-sink.o): New.
450         (OBJS-common): Add tree-ssa-sink.o.
451         * common.opt: Add -ftree-sink
452         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
453         * timevar.def (TV_TREE_SINK): new timevar.
454         * tree-flow.h (is_hidden_global_store): Prototype.
455         * tree-optimize.c (init_tree_optimization_passes): Add
456         pass_sink_code.
457         * tree-pass.h (pass_sink_code): New.
458         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
459         for non-obvious global store store to is_hidden_global_store, and
460         call that new function.
461         * tree-ssa-sink.c: New file.
462         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
463         * doc/passes.texi: Document forward store motion.
464         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
465         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
466         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
467         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
468
469 2005-03-01  Per Bothner  <per@bothner.com>
470
471         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
472         and we have a non-zero column-number, add it to the message.
473         Also factor out the diagnostic_kind_text.
474
475 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
476
477         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
478         flow_loop_pre_header_scan, flow_loop_pre_header_find,
479         flow_loop_scan): Removed.
480         (flow_loop_dump): Do not dump removed fields.
481         (flow_loop_free): Do not free removed fields.
482         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
483         (loop_exit_edge_p): New function.
484         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
485         num_pre_header_edges, entry_edges, num_entries, exit_edges,
486         num_exits, exits_doms.
487         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
488         LOOP_EDGES, LOOP_ALL): Removed.
489         (flow_loop_scan): Declaration removed.
490         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
491         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
492         flow_loops_find.
493         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
494         (if_convert): Call flow_loops_find and flow_loops_free
495         when calling mark_loop_exit_edges.
496         * cfgloopanal.c (mark_loop_exit_edges): Moved from
497         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
498         free_dominance_info calls.
499         * loop-init.c (flow_loops_find): Ditto.
500         * passes.c (rest_of_handle_branch_prob): Ditto.
501         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
502         * loop-unroll.c (analyze_insns_in_loop): Do not use
503         EDGE_LOOP_EXIT.
504         * predict.c (predict_loops): Do not call flow_loop_scan.
505         Use get_loop_exit_edges.
506         (tree_estimate_probability): Do not pass flags to flow_loops_find.
507         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
508         Do not use EDGE_LOOP_EXIT.
509         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
510         to bb_with_exit_edge_p.
511         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
512         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
513         to bb_with_exit_edge_p.
514         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
515         EDGE_LOOP_EXIT.
516         * tree-loop-linear.c (linear_transform_loops): Do not call
517         flow_loop_scan.  Use loop->single_exit.
518         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
519         (vect_analyze_loop_form): Do not call flow_loop_scan.
520         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
521         loop->single_exit.
522         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
523         loop->single_exit.
524         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
525         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
526         slpeel_tree_duplicate_loop_to_edge_cfg,
527         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
528         Use loop_preheader_edge and loop->single_exit.  Do not call
529         flow_loop_scan.
530
531 2005-03-01  Nick Clifton  <nickc@redhat.com>
532
533         * config/arm/arm.c (thumb_find_work_register): Check all of the
534         argument registers to see if they are free, and a couple of
535         special cases where the last argument register but can be proved
536         to be available during the function's prologue.
537         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
538         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
539         thumb_unexpanded_epilogue): Use unsigned long as the type for the
540         register bit-mask.
541         (thumb_compute_save_reg_mask): Likewise.  Also use
542         thumb_find_work_register() to ensure that there is agreement about
543         which work register is going to be used in the prologue.
544         (thumb_output_function_prologue): Use unsigned long as the type
545         for the register bit-mask.  Also delay pushing the link register if
546         other high registers are going to be pushed.
547         (thumb_compute_save_reg_mask, emit_multi_reg_push,
548         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
549         redundant prototypes.
550
551 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
552
553         PR target/19819
554         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
555         and after reload in REG+REG indexed addresses without REG_POINTER
556         set in the base and not set in the index.
557
558 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
559
560         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
561         Don't undefine here.
562         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
563         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
564         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
565         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
566         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
567         Delete.
568         * config.gcc (sh*-*-linux*): Use config/linux.h.
569
570 2005-02-28  Dale Johannesen  <dalej@apple.com>
571             Stan Shebs  <shebs@apple.com>
572
573         Rewrite of 64-bit Darwin structure-by-value pass/return.
574         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
575         intoffset, use_stack, named.
576         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
577         (rs6000_darwin64_record_arg_advance_flush):  New.
578         (rs6000_darwin64_record_arg_advance_recurse): New.
579         (rs6000_darwin64_record_arg_flush):  New.
580         (rs6000_darwin64_record_arg_recurse):  New.
581         (rs6000_darwin64_record_arg):  New.
582         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
583         (function_arg_boundary):  Handle 128-bit aligned structs.
584         (function_arg_advance):  Rewrite darwin64 struct handling.
585         (function_arg):  Call rs6000_darwin64_record_arg.
586         (function_arg_partial_nregs):  Handle darwin64 structs.
587         (rs6000_darwin64_function_value):  Remove.
588         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
589
590 2005-02-28  Roger Sayle  <roger@eyesopen.com>
591
592         PR tree-optimization/20216
593         * tree-chrec.c (tree_fold_factorial): Delete.
594         (tree_fold_binomial): Change argument list to take a return type
595         and change the type of K to unsigned int.  Rewrite to avoid explicit
596         evaluation of factorials, and (recursively) calling fold to perform
597         compile-time arithmetic.  Return NULL on (internal) overflow.
598         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
599         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
600         if any intermediate calculation overflows.
601         (chrec_apply): Update call to chrec_evaluate.
602
603 2005-02-28  James E Wilson  <wilson@specifixinc.com>
604
605         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
606
607 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
608
609         PR c/20245
610         * c-parser.c (c_parser_compound_statement): Return error_mark_node
611         instead of NULL_TREE on error.
612
613 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
614
615         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
616         (EASY_VECTOR_15_ADD_SELF): Remove.
617         (num_insns_constant_wide): Not static.
618         (validate_condition_mode): Not static.
619         (toc_relative_expr_p): Not static.
620         (legitimate_indirect_address_p): Not static.
621         (macho_lo_sum_memory_operand): Not static.
622         (invalid_e500_subreg): Not static.
623         (easy_vector_same): Not static.
624         (easy_vector_splat_const): Not static.
625         (RS6000_SYMBOL_REF_TLS_P): Remove.
626         (any_operand): Delete.
627         (any_parallel_operand): Delete.
628         (count_register_operand): Delete.
629         (altivec_register_operand): Delete.
630         (xer_operand): Delete.
631         (s8bit_cint_operand): Delete.
632         (short_cint_operand): Delete.
633         (u_short_cint_operand): Delete.
634         (non_short_cint_operand): Delete.
635         (exact_log2_cint_operand): Delete.
636         (gpc_reg_operand): Delete.
637         (cc_reg_operand): Delete.
638         (cc_reg_not_cr0_operand): Delete.
639         (reg_or_short_operand): Delete.
640         (reg_or_neg_short_operand): Delete.
641         (reg_or_aligned_short_operand): Delete.
642         (reg_or_u_short_operand): Delete.
643         (reg_or_cint_operand): Delete.
644         (reg_or_arith_cint_operand): Delete.
645         (reg_or_add_cint64_operand): Delete.
646         (reg_or_sub_cint64_operand): Delete.
647         (reg_or_logical_cint_operand): Delete.
648         (got_operand): Delete.
649         (got_no_const_operand): Delete.
650         (easy_fp_constant): Delete.
651         (easy_vector_constant): Delete.
652         (easy_vector_constant_add_self): Delete.
653         (zero_constant): Delete.
654         (zero_fp_constant): Delete.
655         (volatile_mem_operand): Delete.
656         (offsettable_mem_operand): Delete.
657         (mem_or_easy_const_operand): Delete.
658         (add_operand): Delete.
659         (non_add_cint_operand): Delete.
660         (logical_operand): Delete.
661         (non_logical_cint_operand): Delete.
662         (mask_operand): Delete.
663         (mask_operand_wrap): Delete.
664         (mask64_operand): Delete.
665         (mask64_2_operand): Delete.
666         (and64_operand): Delete.
667         (and64_2_operand): Delete.
668         (and_operand): Delete.
669         (reg_or_mem_operand): Delete.
670         (lwa_operand): Delete.
671         (symbol_ref_operand): Delete.
672         (call_operand): Delete.
673         (current_file_function_operand): Delete.
674         (input_operand): Delete.
675         (rs6000_nonimmediate_operand): Delete.
676         (rs6000_tls_symbol_ref): Delete.
677         (save_world_operation): Delete.
678         (restore_world_operation): Delete.
679         (load_multiple_operation): Delete.
680         (store_multiple_operation): Delete.
681         (vrsave_operation): Delete.
682         (mfcr_operation): Delete.
683         (mtcrf_operation): Delete.
684         (lmw_operation): Delete.
685         (stmw_operation): Delete.
686         (branch_comparison_operator): Delete.
687         (branch_positive_comparison_operator): Delete.
688         (scc_comparison_operator): Delete.
689         (trap_comparison_operator): Delete.
690         (boolean_operator): Delete.
691         (boolean_or_operator): Delete.
692         (min_max_operator): Delete.
693         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
694         (EASY_VECTOR_15): Moved to here.
695         (EASY_VECTOR_15_ADD_SELF): Move to here.
696         (PREDICATE_CODES): Delete.
697         * config/rs6000/rs6000-protos.h: Delete predicate functions.
698         Declare functions no longer static.
699         * config/rs6000/predicates.md: New.
700         * config/rs6000/rs6000.md: Include predicates.md
701
702 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
703
704         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
705         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
706         REG_ALWAYS_RETURN.
707         * cfgrtl.c (need_fake_edge_p): Likewise.
708         * combine.c (distribute_notes): Likewise.
709         * emit-rtl.c (try_split): Likewise.
710         * recog.c (peephole2_opimize): Likewise.
711         * reg-notes.def (ALWAYS_RETURN): Remove.
712         * rtl.h (LCT_ALWAYS_RETURN): Remove.
713         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
714         * tree.h (ECF_ALWAYS_RETURN): Remove.
715
716 2005-02-28  Roger Sayle  <roger@eyesopen.com>
717
718         PR middle-end/19874
719         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
720         between different machine modes is never a "useless" conversion.
721
722 2005-02-28  Geert Bosch  <bosch@gnat.com>
723
724         PR ada/15977
725         * doc/contrib.texi: List contributors for Ada front end
726
727 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
728
729         * simplify-rtx.c (simplify_unary_operation_1,
730         simplify_const_unary_operation): New, extracted from...
731         (simplify_unary_operation): ... this one.
732         (simplify_binary_operation_1,
733         simplify_const_binary_operation): New, extracted from...
734         (simplify_binary_operation): ... this one.
735         * rtl.h (simplify_const_unary_operation,
736         simplify_const_binary_operation): Add prototypes.
737
738 2005-02-28  Julian Brown  <julian@codesourcery.com>
739
740         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
741         building libjava and caused PR regression/20228.
742
743 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
744
745         PR bootstrap/17383
746         * Makefile.in (host_subdir): New.
747         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
748         * configure: Regenerate.
749
750 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
751
752         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
753         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
754         installation directory first.
755
756 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
757
758         PR target/19065.
759         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
760         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
761         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
762         * config/cris/cris.md: Tweak comments referring to Q.
763         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
764         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
765         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
766         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
767         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
768         Insert spaces in constraints to align alternatives vertically for
769         readability.
770         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
771         operand 1: "M".
772
773 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
774
775         PR rtl-optimization/17728
776         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
777         operand 0 from general_operand to move_dest_operand.
778
779 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
780
781         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
782         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
783         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
784         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
785
786 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
787
788         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
789         * configure: Regenerate.
790         * libada-mk.in: Remove CC; rename
791         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
792
793 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
794
795         PR tree-opt/20188
796         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
797         for the lhs, also walk over the tree.  Likewise for rhs.
798
799 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
800
801         * tree-ssa-dom.c (simple_iv_increment_p): New function.
802         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
803         Do not propagate value of iv before increment over the increment.
804
805 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
806
807         * c-parser.c: New file.
808         * c-parse.in: Remove.
809         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
810         Remove.
811         (c-parser.o): Add dependencies.
812         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
813         maintainer-clean, TAGS): Update.
814         * c-config-lang.in (gtfiles): Update.
815         * gengtype-lex.l: Don't handle "@@".
816         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
817         objc_build_synchronized, objc_begin_try_stmt,
818         objc_begin_catch_clause, objc_finish_catch_clause,
819         objc_build_finally_clause, objc_finish_try_stmt): New.
820         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
821         type_seen_p.
822         (c_parse_init): Update comment.
823         * c-decl.c (c_init_decl_processing): Update comment.
824         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
825         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
826         new c_declspecs members.
827
828 2005-02-25  Julian Brown  <julian@codesourcery.com>
829
830         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
831         from being used for symbols with vague linkage when
832         HAVE_GAS_COMDAT_GROUP is true.
833
834 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
835
836         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
837
838 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
839
840         PR target/19930
841         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
842         (LIBGCC2_HAS_DF_MODE): New.
843         (LIBGCC2_HAS_XF_MODE): New.
844         (LIBGCC2_HAS_TF_MODE): New.
845         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
846         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
847         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
848         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
849         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
850         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
851         and add _fixtfdi, _fixunstfdi, _floatditf
852         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
853         L_fixunstfdi, L_floatditf.
854         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
855         (LIBGCC2_HAS_TF_MODE): Define.
856
857 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
858
859         PR tree-optimization/20204
860         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
861         REWRITE_THIS_STMT markers on PHI nodes.
862         (rewrite_initialize_block): Likewise.
863
864 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
865
866         * version.c (version_string): Update to 4.1.
867
868 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
869
870         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
871         Clarify that the alternative way doesn't work in GNU C++.
872
873 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
874
875         PR tree-optimization/19937
876         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
877         to the type of the induction variable.
878
879 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
880
881         PR rtl-optimization/20117
882         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
883         the block including noncopyable insn.
884
885 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
886
887         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
888         calls to find_reg_note.
889
890 2005-02-24  Richard Henderson  <rth@redhat.com>
891
892         PR tree-opt/20127
893         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
894         the type.
895
896 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
897
898         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
899         vector types if to use base reg for misaligned non-word ld/std.
900
901 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
902
903         PR target/14619
904         * config/cris/cris.c (cris_target_asm_function_prologue): Create
905         dwarf2 label manually and put it after, not before the prologue.
906
907 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
908
909         PR target/19019
910         * reload.c (operands_match_p): Only increment register number for
911         SCALAR_INT_MODE_P modes in multiple hard registers.
912
913         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
914         Fix formatting.
915
916 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
917
918         * ChangeLog.5: Fix log message typo(s).
919         * ChangeLog.7: Likewise.
920         * ChangeLog.tree-ssa: Likewise.
921         * cfgexpand.c: Fix comment typo(s).
922         * conflict.c: Likewise.
923         * defaults.h: Likewise.
924         * dwarf2out.c: Likewise.
925         * gcse.c: Likewise.
926         * ggc-page.c: Likewise.
927         * tree-eh.c: Likewise.
928         * tree-ssa-dom.c: Likewise.
929
930 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
931
932         PR target/19019
933         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
934         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
935         if SHARED is defined.
936
937         PR target/20196
938         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
939         allow splitting only if operands 0 and 3 don't overlap.
940
941 2005-02-24  Richard Henderson  <rth@redhat.com>
942
943         PR middle-end/19953
944         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
945         (fold_builtin_1): Call them.
946         * fold-const.c (fold_complex_mult_parts): Split out from ...
947         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
948         (fold_complex_div_parts, fold_complex_div): New.
949         (fold): Use them.
950         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
951
952 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
953
954         * tree-ssa-ccp.c (visit_assignment): Verify that result of
955         VIEW_CONVERT_EXPR is_gimple_min_invariant.
956
957         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
958         (print_node): Likewise.
959         Print TYPE_SIZES_GIMPLIFIED.
960
961 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
962
963         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
964         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
965         operands as commutative in constraints.
966
967 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
968
969         * tree-into-ssa.c: Re-organize internal functions.
970
971 2005-02-24  Richard Henderson  <rth@redhat.com>
972
973         PR middle-end/18902
974         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
975         for c99.
976         * common.opt (fcx-limited-range): New.
977         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
978         * toplev.c (flag_complex_method): Initialize to 1.
979         (process_options): Set flag_complex_method to 0 if
980         flag_cx_limited_range.
981         * doc/invoke.texi (-fcx-limited-range): New.
982
983 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
984
985         * cse.c (delete_trivially_dead_insns): Speed up by using
986         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
987         prev_real_insn.
988
989 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
990
991         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
992         functions when -mid-shared-library is being used.
993
994 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
995
996         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
997         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
998         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
999         * system.h: Poison LINK_LIBGCC_SPECIAL.
1000
1001 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1002
1003         * gengtype.c (note_insn_name): Make 1 element larger.
1004
1005 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1006
1007         PR target/20018
1008         PR rtl-optimization/20097
1009         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1010         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1011
1012 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1013
1014         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1015         * t-aix52 (SHLIB_INSTALL): Same.
1016
1017 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1018
1019         * genpreds.c: Update copyright.
1020
1021 2005-02-23  Michael Beach  <michaelb@ieee.org>
1022
1023         PR target/20159
1024         * config/sparc/t-elf (startup files): Assemble with CPP.
1025
1026 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1027
1028         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1029         (write_predicate_expr): Likewise.
1030
1031 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1032
1033         PR tree-optimization/20100
1034         PR tree-optimization/20115
1035         * tree-optimize.c (init_tree_optimization_passes): Remove
1036         pass_maybe_create_global_var.
1037         * tree-pass.h (pass_maybe_create_global_var): Remove.
1038         * tree-ssa-alias.c (aliases_computed_p): Declare.
1039         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1040         (count_calls_and_maybe_create_global_var): Remove.
1041         (pass_maybe_create_global_var): Remove.
1042         (init_alias_info): Do not declare aliases_computed_p.
1043         (maybe_create_global_var): If the function contains no
1044         call-clobbered variables and a mix of pure/const and regular
1045         function calls, create .GLOBAL_VAR.
1046         Mark all call-clobbered variables for renaming.
1047         (merge_pointed_to_info): Update comment.
1048         (add_pointed_to_var): Likewise.
1049         (is_escape_site): Likewise.
1050         Accept struct alias_info * instead of size_t *.
1051         Update all users.
1052         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1053         as necessary.
1054         * tree-ssa-operands.c (get_call_expr_operands): If
1055         ALIASES_COMPUTED_P is false, do not add call-clobbering
1056         operands.
1057         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1058         (delete_tree_ssa): Likewise.
1059
1060 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1061
1062         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1063         (do_compile): Do call it here.
1064
1065 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1066
1067         PR rtl-optimization/20017.
1068         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1069         rest_of_handle_cse2, rest_of_handle_gcse): Call
1070         delete_dead_jumptables immediately before calling cleanup_cfg.
1071
1072 2005-02-22  Devang Patel  <dpatel@apple.com>
1073
1074         PR 19952
1075         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1076         all labels
1077
1078 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1079
1080         * config/rs6000/aix.h (WINT_TYPE): Define.
1081
1082 2005-02-22  Stan Shebs  <shebs@apple.com>
1083
1084         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1085         natural alignment for 64-bit Darwin.
1086         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1087         on 64-bit Darwin.
1088         * doc/invoke.texi: Document this.
1089
1090 2005-02-22  DJ Delorie  <dj@redhat.com>
1091
1092         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1093         to make_[un]signed_type, not the mode itself.
1094
1095 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1096
1097         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1098         not available.  Use tail calls wherever possible.
1099         (make_edge): Call unchecked_make_edge to create an edge.
1100
1101         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1102         (coalesce_ssa_name): Don't check for
1103         SSANORM_USE_COALESCE_LIST.
1104         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1105
1106 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1107
1108         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1109         (rewrite_into_ssa): ... here.
1110
1111 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1112
1113         PR tree-optimization/19786
1114         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1115         tag to another's may-alias bitmap when adding to the other's list.
1116
1117 2005-02-21  DJ Delorie  <dj@redhat.com>
1118
1119         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1120         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1121         registers in unsupported ways.
1122         * expmed.c (init_expmed): Likewise.
1123
1124 2005-02-21  Stan Cox  <scox@redhat.com>
1125
1126         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1127
1128 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1129
1130         * tree-cfg.c (fold_cond_expr_cond): New.
1131         (make_edges): Call fold_cond_expr_cond.
1132         (find_taken_edge): Accept nothing but INTEGER_CST.
1133         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1134         and 1.
1135         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1136
1137         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1138         that do not belong to any basic block.
1139
1140 2005-02-21  Jeff Law  <law@redhat.com>
1141
1142         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1143         e->dest.
1144
1145 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1146
1147         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1148         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1149         Adjust their definitions.
1150         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1151         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1152
1153         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1154         genautomata.c, langhooks.c, langhooks.h, system.h,
1155         config/arm/lib1funcs.asm: Update copyright.
1156
1157 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1158
1159         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1160
1161 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1162
1163         PR bootstrap/13770
1164         * doc/install.texi: Document --with-gc.
1165
1166 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1167
1168         * simplify-rtx.c (simplify_unary_operation): Add a missing
1169         "break" statement.
1170
1171 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1172
1173         PR tree-optimization/18663
1174         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1175         if the type has variable bounds.
1176
1177 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1178
1179         * gcse.c: Remove an obsolete comment.
1180
1181         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1182
1183 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1184
1185         * doc/extend.texi (Function Attributes) <Attribute const>: The
1186         attribute "pure" is below this text, not above.
1187
1188 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1189
1190         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1191         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1192         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1193
1194 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1195
1196         PR 18785
1197         * langhooks.h (struct lang_hooks): Add to_target_charset.
1198         * langhooks.c (lhd_to_target_charset): New function.
1199         * langhooks-def.h: Declare lhd_to_target_charset.
1200         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1201         (LANG_HOOKS_INITIALIZER): Update.
1202         * c-common.c (c_common_to_target_charset): New function.
1203         * c-common.h: Declare it.
1204         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1205         c_common_to_target_charset.
1206
1207         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1208         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1209         Delete definitions.
1210         * system.h: Poison them.
1211         * doc/tm.texi: Don't discuss them.
1212         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1213         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1214         (pp_c_char): Do not attempt to generate letter escapes for
1215         newline, tab, etc.
1216         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1217         * config/mips/mips.c (mips_output_ascii): Likewise.
1218
1219 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1220
1221         PR tree-optimization/19951
1222         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1223         is abnormal.
1224
1225 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1226
1227         PR middle-end/19698
1228         * function.h (struct function): New field `max_loop_depth'.
1229         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1230         (flow_loops_find): Reset the max loop depth count before finding loops.
1231         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1232         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1233         (calculate_global_regs_live): Make sure the loop will terminate
1234         when the initial sets are not empty.
1235
1236 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1237
1238         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1239         object inside.
1240         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1241
1242 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1243
1244         PR other/19525
1245         * doc/invoke.texi: Remove documentation of %M spec.
1246         * gcc.c: Likewise.
1247         (init_spec): Remove %M suffix from -lgcc_s.
1248         (do_spec_1): Remove 'M' case.
1249         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1250         to put shared libraries in the multilib directory.  Remove the
1251         shlib_so_soname substitution variable.  Don't add a multilib encoding
1252         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1253         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1254         SHLIB_INSTALL as well as SHLIB_LINK.
1255         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1256         (SHLIB_NAME): Delete.
1257         (SHLIB_DIR): New macro.
1258         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1259         (SHLIB_INSTALL): Adjust accordingly.
1260         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1261         * config/t-slibgcc-sld: Likewise.
1262         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1263         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1264         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1265         in $(SHLIB_DIR).
1266         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1267         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1268         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1269         Use @shlib_base_name@ instead of @shlib_so_name@.
1270         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1271         and @shlib_base_name@.so in @multilib_dir@.
1272         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1273         to the install path.
1274         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1275         (SHLIB_LINK): Remove previous workaround.
1276         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1277         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1278         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1279         the install path.
1280         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1281         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1282         (SHLIB_INSTALL): Adjust accordingly.
1283         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1284         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1285         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1286         config/t-slibgcc-elf-ver.
1287
1288 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1289             Jakub Jelinek  <jakub@redhat.com>
1290
1291         PR tree-optimization/19828
1292         * tree-ssa-loop-im.c: Add a TODO comment.
1293         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1294         without side-effects.
1295
1296 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1297
1298         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1299         call fold_convert.
1300
1301 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1302
1303         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1304         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1305         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1306         functions.
1307         (ia64_reorg): Delete fixup_errata call.
1308         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1309         (TARGET_SWITCHES): Delete -mb-step entry.
1310
1311 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1312
1313         PR c/20043
1314         * c-typeck.c (composite_type): Handle quals in transparent unions.
1315         (type_lists_compatible_p): Likewise.
1316
1317 2005-02-18  Stan Shebs  <shebs@apple.com>
1318
1319         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1320         expressions in the .literal8 section.
1321
1322 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1323
1324         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1325
1326 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1327
1328         * fold-const.c (constant_boolean_node): Always create values of the
1329         specified type, don't bother calling truthvalue_conversion.
1330
1331 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1332
1333         * except.c (output_function_exception_table): Call
1334         assemble_external_libcall (eh_personality_libfunc).
1335
1336 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1337
1338         PR target/19886
1339         * config/ia64/ia64.h (struct machine_function): Add state_num.
1340         * config/ia64/ia64.c (process_epilogue,
1341         process_for_unwind_directive): Use new unwind state numbers each
1342         time rather than state 1.
1343
1344 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1345
1346         PR target/20054
1347         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1348         before the "*llgt_didi" pattern.
1349
1350 2005-02-18  Jason Merrill  <jason@redhat.com>
1351
1352         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1353
1354 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1355
1356         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1357         (div0): Use it in place of ARM_FUNC_ALIAS.
1358         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1359
1360 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1361
1362         PR middle-end/20030
1363         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1364         access, the lower bound of the array type if it exists.
1365
1366 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1367
1368         PR c++/20008
1369         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1370         cases that are out-of-range for the index type.
1371
1372 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1373
1374         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1375         (estimate_case_costs): Don't call convert.
1376         * expmed.c (expand_shift): Likewise.
1377         (make_tree): Call fold_convert instead of convert.
1378
1379 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1380
1381         PR c++/19813
1382         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1383         that ref to be marked MEM_READONLY_P doesn't have base that needs
1384         constructing.
1385
1386 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1387
1388         * genautomata.c (output_get_cpu_unit_code_func,
1389         output_cpu_unit_reservation_p): Don't generate old-style function
1390         definitions.
1391
1392 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1393
1394         PR c++/20023
1395         PR tree-optimization/20009
1396         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1397
1398         PR tree-optimization/18947
1399         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1400         inline, remove all nodes that are inlined into the extern inline
1401         being redefined.
1402
1403 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1404
1405         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1406         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1407         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1408         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1409         Update copyright.
1410
1411 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1412
1413         PR tree-optimization/19917
1414         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1415         to be potentially trapping.
1416
1417 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1418
1419         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1420
1421 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1422
1423         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1424         tem becomes a local variable which is set to the value of the
1425         back end defined INITIAL_FRAME_ADDRESS macro.
1426         (expand_builtin_frame_address): Omit the base parameter to
1427         expand_builtin_return_addr.
1428         (expand_builtin_profile_func): Likewise.
1429         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1430         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1431         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1432
1433 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1434
1435         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1436         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1437         * config/frv/frv.c (frv_function_epilogue): Likewise.
1438
1439 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1440
1441         * lambda-code (perfect_nestify): Remove mark/unmark
1442         for rewriting hack.
1443         * tree-loop-linear.c (linear_transform_loops): Add
1444         rewrite_into_ssa call so that ssa is correct for
1445         rewriting into loop closed.
1446
1447 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1448
1449         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1450         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1451         BITMAP_FREE.
1452         * bt-load.c (btr_def_live_range, combine_btr_defs,
1453         migrate_btr_def, migrate_btr_defs): Likewise.
1454         * cfgcleanup.c (thread_jump): Likewise.
1455         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1456         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1457         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1458         df_rd_local_compute, df_reg_info_compute): Likewise.
1459         * dominance.c (init_dom_info, free_dom_info): Likewise.
1460         * flow.c (init_propagate_block_info,
1461         free_propagate_block_info): Likewise.
1462         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1463         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1464         modify_reg_pav): Likewise.
1465         * loop-invariant.c (find_defs, find_invariant_insn,
1466         find_invariants, free_inv_motion_data): Likewise.
1467         * predict.c (tree_predict_by_opcode,
1468         estimate_bb_frequencies): Likewise.
1469         * stmt.c (expand_case): Likewise.
1470         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1471         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1472         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1473         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1474         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1475         rewrite_ssa_into_ssa): Likewise.
1476         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1477         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1478         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1479         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1480         * tree-sra.c (tree_sra): Likewise.
1481         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1482         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1483         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1484         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1485         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1486         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1487         Likewise.
1488         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1489         calculate_live_on_entry, calculate_live_on_exit,
1490         build_tree_conflict_graph): Likewise.
1491         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1492         record_important_candidates, set_use_iv_cost, find_depends,
1493         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1494         tree_ssa_iv_optimize_finalize): Likewise.
1495         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1496         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1497         tree_duplicate_loop_to_header_edge): Likewise.
1498         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1499         * tree-ssa.c (verify_flow_insensitive_alias_info,
1500         verify_name_tags, verify_ssa, init_tree_ssa,
1501         delete_tree_ssa): Likewise.
1502         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1503         fini_ssanames): Likewise.
1504         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1505
1506 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1507
1508         * config/rs6000/t-rtems: Completely reworked.
1509
1510 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1511
1512         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1513
1514 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1515
1516         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1517         POINTER_TYPE_P when checking that type is a pointer.
1518         (vect_get_memtag): Remove.
1519         (vect_address_analysis): Use POINTER_TYPE_P. Call
1520         vect_object_analysis with dummy parameter for memtag.
1521         (vect_object_analysis): Extract memtag (functionality that
1522         used to be in vect_get_memtag and moved here). Fix printings.
1523         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1524         with correct parameters. Remove call to vect_get_memtag.
1525
1526 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1527
1528         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1529         (tree-vectorizer.o): Added missing dependencies.
1530
1531         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1532         decleration.
1533         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1534         declaration in tree-vectorizer.c, now has an extern declaration in
1535         tree-vectorizer.h).
1536         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1537         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1538         get_vectype_for_scalar_type, vect_is_simple_use,
1539         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1540         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1541         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1542         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1543         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1544         find_loop_location): Likewise.
1545
1546         * tree-vectorizer.c (langhooks.h): #include removed.
1547         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1548         moved to tree-vectorized.h.
1549         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1550         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1551         get_vectype_for_scalar_type, vect_is_simple_use,
1552         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1553         vect_supportable_dr_alignment, new_loop_vec_info,
1554         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1555         vect_set_verbosity_level, find_loop_location): Likewise.
1556
1557         (vect_analyze_loop): Function externalized. Declaration moved to
1558         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1559         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1560         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1561         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1562         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1563         vect_enhance_data_refs_alignment, vect_analyze_operations,
1564         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1565         vect_stmt_relevant_p, vect_get_loop_niters,
1566         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1567         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1568         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1569         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1570         vect_get_memtag): Likewise.
1571
1572         (vectorizable_load): Function externalized. Declaration moved to
1573         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1574         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1575         vect_transform_loop): Likewise.
1576         (vect_transform_stmt): Moved to tree-vect-transform.c.
1577         (vect_align_data_ref, vect_create_destination_var,
1578         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1579         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1580         vect_get_vec_def_for_operand, vect_init_vector,
1581         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1582         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1583         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1584         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1585         vect_do_peeling_for_loop_bound): Likewise.
1586
1587         * tree-vect-analyze.c: New file.
1588         * tree-vect-transform.c: New file.
1589
1590 2005-02-17  Jason Merrill  <jason@redhat.com>
1591
1592         PR mudflap/19319, c++/19317
1593         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1594         slot explicit.
1595
1596 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1597
1598         * doc/install.texi (Specific): Update link for Darwin-specific
1599         tool binary site.
1600
1601 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1602
1603         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1604         constant_boolean_node.
1605
1606 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1607
1608         PR target/19019
1609         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1610         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1611
1612 2005-02-16  Richard Henderson  <rth@redhat.com>
1613
1614         PR 19920
1615         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1616         with W_TYPE_SIZE.
1617         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1618         replace uses with Wtype_MAXp1_F.
1619         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1620         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1621         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1622         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1623         and HAVE_TFMODE as appropriate.
1624         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1625         (__floatdisf): Likewise.
1626         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1627         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1628         (Wtype_MAXp1_F): New.
1629         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1630         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1631
1632 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1633
1634         * PR target/19162
1635         * arm.c (arm_apply_result_size): New function.
1636         * arm.h (APPLY_RESULT_SIZE): Define.
1637         * arm-protos.h (arm_apply_result_size): Add prototype.
1638         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1639         (movxf): New expand.
1640         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1641         (call_value_symbol): Remove predicate for operand 0.
1642         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1643         (untyped_call): Rework to correclty return values for any type.
1644         (untyped_return): New expand.
1645         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1646
1647 2005-02-16  Stan Shebs  <shebs@apple.com>
1648
1649         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1650         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1651
1652 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1653
1654         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1655         configure settings on Solaris 7 and later.
1656
1657 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1658
1659         PR tree-optimization/19865
1660         * tree-optimize.c (init_tree_optimization_passes): Run
1661         pass_may_alias after pass_sra.
1662
1663 2005-02-16  Richard Henderson  <rth@redhat.com>
1664             Stuart Hastings  <stuart@apple.com>
1665
1666         PR debug/19521
1667         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1668         Do nothing if debug info suppressed for this function.
1669         (dbxout_begin_function): Early exit if debug info suppressed for
1670         this function.
1671
1672 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1673
1674         PR target/20007
1675         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1676         find_basic_blocks.
1677         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1678
1679         PR tree-optimization/19967
1680         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1681         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1682         argument TYPE.  Adjust calls to fold_builtin_XXX.
1683         (expand_builtin, fold_builtin_1): Adjust calls to
1684         expand_builtin_XXX.
1685         (fold_builtin_strchr, fold_builtin_strpbrk,
1686         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1687         result to a requested type TYPE.
1688
1689 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1690
1691         PR middle-end/19857
1692         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1693         (T)x & (T)cst if (T)cst overflows.
1694         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1695         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1696
1697 2005-02-15  Jeff Law  <law@redhat.com>
1698
1699         * gcse.c (blocks_with_calls): New bitmap.
1700         (alloc_gcse_mem): Allocate it.
1701         (free_gcse_mem): Free it.
1702         (clear_modifY_mem_tables): Clear it.
1703         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1704         when we encounter CALL_INSNs.
1705         (compute_transp, case MEM): Handle blocks with calls separate
1706         from blocks without calls.  Use bitmap iterators rather than
1707         FOR_EACH_BB.
1708
1709 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1710
1711         PR bootstrap/18810
1712         * mklibgcc.in (vis_hide): Use a temporary object file, not
1713         -o /dev/null.
1714
1715 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1716
1717         PR target/19924
1718         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1719         access optimization.
1720
1721 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1722             Alan Modra  <amodra@bigpond.net.au>
1723
1724         PR target/19019
1725         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1726         (_xlqsub): Rename to __gcc_qsub.
1727         (_xlqmul): Rename to __gcc_qmul.
1728         (_xlqdiv): Rename to __gcc_qdiv.
1729         Provide versioned symbol aliases with old names.
1730         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1731         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1732         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1733         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1734         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1735
1736 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1737
1738         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1739         Fold ~(A - 1) and ~(A + -1) to -A.
1740
1741 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1742
1743         PR pch/14940
1744         PR target/19300
1745         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1746         config/pa/pa-host.c:pa_gt_pch_use_address.
1747
1748 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1749
1750         * tree-vn.c (get_value_handle): Make sure that given an
1751         is_gimple_min_invariant expression, we always return it.
1752
1753 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1754
1755         * passes.c (rest_of_handle_gcse): Fix a comment.
1756
1757 2005-02-15  Jeff Law  <law@redhat.com>
1758
1759         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1760         bitmap.
1761         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1762         (canon_list_insert, record_last_mem_set_info): Similarly.
1763         (clear_modify_mem_tables): Similarly.
1764
1765 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1766
1767         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1768         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1769         config/mips/mips.md, config/rs6000/aix.h,
1770         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1771
1772 2005-02-15  Richard Henderson  <rth@redhat.com>
1773
1774         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1775         call to be best_edge.
1776
1777 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1778
1779         * basic-block.h: Adjust the prototype for find_basic_blocks.
1780         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1781         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1782         find_basic_blocks.
1783
1784         * flow.c (recompute_reg_usage): Remove all arguments.
1785         * passes.c (rest_of_compilation): Adjust the call to
1786         recompute_reg_usage.
1787         * rtl.h: Adjust the prototype for recompute_reg_usage.
1788
1789 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1790
1791         * tree-dump.c (dump_files): Update to reflect new member
1792         of dump_file_info.
1793         (dump_register): Add new argument.
1794         Set glob name.
1795         (dump_switch_p_1): Check against glob name if doglob was passed.
1796         (dump_switch_p): Check against regular first, then glob if
1797         we didn't have any hits on the dump name.
1798         * tree-optimize.c (register_one_dump_file):
1799         Pass in glob name as well.
1800         * tree-pass.h (struct dump_file_info): Add glob
1801         member.
1802
1803 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1804
1805         PR preprocessor/16323
1806         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1807
1808 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1809
1810         PR target/19019
1811         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1812         (trunctfdf2_internal1): New.
1813         (trunctfdf2_internal2): Renamed from trunctfdf2.
1814
1815 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1816
1817         PR tree-optimization/19853
1818         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1819
1820 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1821
1822         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1823         delete_dead_jumptables and cleanup_cfg.
1824
1825 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1826
1827         * reload.c (find_reloads): Swap address_reloaded flags when
1828         swapping commutative operands.
1829
1830 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1831
1832         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1833         Use standard_iv_increment_position for computing the bsi position
1834         for create_iv.
1835         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1836         the bsi position.
1837
1838 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1839
1840         PR target/17428
1841         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1842         life range of hard registers.
1843         * value-prof.c (insn_prefetch_values_to_profile): Only
1844         scan normal insns.
1845
1846         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1847         profile in libcalls.
1848
1849 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1850
1851         * bitmap.h (bitmap_and_compl_into): Return bool.
1852         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1853
1854 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1855
1856         PR tree-optimization/19944
1857         * fold-const.c (fold): Re-add ABS_EXPR folding.
1858
1859 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1860
1861         PR target/19019
1862         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1863         {TARGET,MASK}_XL_COMPAT.
1864         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1865         MASK_XL_COMPAT.
1866         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1867         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1868         TARGET_XL_COMPAT.
1869         (rs6000_arg_partial_bytes): Same.
1870         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1871         and XL compatibility enabled.
1872         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1873         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1874         test to final condition.
1875         (cmptf_internal2): New.
1876         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1877         xl-compat.  Add TFmode information to description.
1878
1879 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1880
1881         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1882
1883 2005-02-13  Jason Merrill  <jason@redhat.com>
1884
1885         PR c++/16405
1886         * fold-const.c (fold_indirect_ref_1): Split out from...
1887         (build_fold_indirect_ref): Here.
1888         (fold_indirect_ref): New fn.
1889         * tree.h: Declare it.
1890         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1891         (gimplify_modify_expr_rhs): Likewise.
1892         (gimplify_expr): Likewise.
1893
1894 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1895
1896         PR tree-optimization/14303
1897         PR tree-optimization/15784
1898         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1899         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1900         ABS_EXPR<x> != 0 to x != 0.
1901
1902 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1903
1904         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1905         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1906         spelling conventions.
1907
1908         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1909         delete_trivially_dead_insns too many times.
1910
1911         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1912         tem and tem2.
1913
1914 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1915
1916         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1917         (vect_is_simple_iv_evolution): Remove redundant parameter
1918         and step check.
1919         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1920         without last parameter.
1921         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1922         Return pointer step. Call vect_is_simple_iv_evolution without
1923         last parameter. Check only that the step is multiple of size
1924         type. Remove stmt_vinfo updates.
1925         (vect_get_memtag_and_dr): Remove.
1926         (vect_get_memtag): New function.
1927         (vect_address_analysis): New function.
1928         (vect_object_analysis): New function.
1929         (vect_analyze_data_refs): Call vect_object_analysis and
1930         vect_get_memtag. Update stmt_vinfo fields.
1931
1932 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1933
1934         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1935         exist and are objects. Remove checks for pointer.
1936         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1937         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1938         (vect_create_data_ref_ptr): Likewise.
1939         (vect_base_addr_differ_p): New function.
1940         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1941         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1942         Don't set the DR_BASE_NAME field of data-ref.
1943         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1944
1945 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1946
1947         * optabs.h (enum optab_index): Add new OTI_ldexp.
1948         (ldexp_optab): Define corresponding macro.
1949         * optabs.c (init_optabs): Initialize ldexp_optab.
1950         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1951         patterns.
1952         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1953         using ldexp_optab.
1954         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1955         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1956
1957         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1958         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1959         intrinsics.
1960
1961 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1962
1963         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1964         to base_address.
1965         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1966         stmt_vec_info.
1967         (vect_get_base_and_offset): Always return an address.
1968         (vect_create_addr_base_for_vector_ref): Remove treatment for
1969         different data reference types.
1970         (vect_compute_data_ref_alignment): Rename base to base_address in
1971         stmt_vec_info. Get the object in order to force its alignment.
1972         (vect_get_memtag_and_dr): Rename base to base_address in
1973         stmt_vec_info. Extract the object for memtag analysis.
1974
1975 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1976
1977         PR regression/19898.
1978         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1979         changes cc_status, use apply modified_in_p to part of cc_status
1980         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1981         body.
1982
1983 2005-02-11  Richard Henderson  <rth@redhat.com>
1984
1985         * tree-complex.c (expand_complex_libcall): New.
1986         (expand_complex_multiplication): Use it for c99 compliance.
1987         (expand_complex_division): Likewise.
1988         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1989         (fold): Call them.
1990         * builtins.c (built_in_names): Remove const.
1991         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1992         builtins.
1993         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1994         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1995         (built_in_names): Remove const.
1996         * c-common.c (c_common_type_for_mode): Handle complex modes.
1997         * flags.h, toplev.c (flag_complex_method): Rename from
1998         flag_complex_divide_method.
1999         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2000         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2001         * libgcc2.h: Declare them.
2002         * libgcc-std.ver: Export them.
2003         * mklibgcc.in (lib2funcs): Build them.
2004
2005 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2006
2007         PR tree-optimization/19876
2008         Partially revert my change from 2005-01-14
2009         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2010         (compute_antic): ...and remove the loop here.
2011
2012 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2013
2014         PR middle-end/19858
2015         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2016         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2017
2018         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2019         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2020
2021 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2022
2023         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2024         offsets for the big-endian 32-bit case.
2025
2026 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2027
2028         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2029
2030 2005-02-11  Dale Johannesen  <dalej@apple.com>
2031
2032         * cselib.c (cselib_process_insn):  Clear out regs where
2033         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2034         * reload.c (find_equiv_reg): Ditto.
2035
2036 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2037
2038         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2039         with no elements.
2040
2041         * tree.c (build_function_type_list): Work correctly if there are
2042         no arguments.
2043
2044 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2045
2046         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2047         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2048         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2049         TARGET_ZARCH instead of TARGET_64BIT.
2050
2051 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2052
2053         * config/rs6000/t-rtems:
2054         (MULTILIB_OPTIONS): Remove mcpu=602.
2055         (MUTLILIB_DIRNAMES): Remove m602.
2056         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2057         Let mcpu=602 match mcpu=603.
2058         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2059
2060 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2061
2062         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2063         signal trampolines.
2064
2065 2005-02-10  David Daney  <ddaney@avtrex.com>
2066
2067         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2068         * config/i386/linux-unwind.h: Likewise.
2069         * config/ia64/linux-unwind.h: Likewise.
2070         * config/mips/linux-unwind.h: Likewise.
2071         * config/pa/linux-unwind.h: Likewise.
2072         * config/rs6000/linux-unwind.h: Likewise.
2073         * config/s390/linux-unwind.h: Likewise.
2074         * config/sh/linux-unwind.h: Likewise.
2075         * config/sparc/linux-unwind.h: Likewise.
2076
2077 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2078
2079         PR tree-optimization/17549
2080         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2081         TER to replace a DEF with its expression if the DEF and the
2082         rhs of the expression we replace into have the same root
2083         variable.
2084
2085 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2086
2087         * config/mips/mips.md: Fix the placement of the match_scratch in the
2088         lea64 peephole2.
2089
2090 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2091
2092         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2093         Fix comment typos.
2094
2095 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2096
2097         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2098         (strip_offset): Handle addresses.
2099         (add_address_candidates): Use strip_offset.
2100         (difference_cost): Reflect strip_offset change.
2101         (force_var_cost, difference_cost): Strip nops.
2102
2103 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2104
2105         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2106
2107         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2108         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2109         config/cris/cris-protos.h, config/cris/cris.c: Update
2110         copyright.
2111
2112 2005-02-10  Jeff Law  <law@redhat.com>
2113
2114         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2115         (lookup_avail_expr): Similarly.
2116
2117 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2118
2119         * builtins.c (fold_builtin_powi): New function.
2120         (fold_builtin_1): Call it.
2121
2122 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2123
2124         PR documentation/19309
2125         * doc/cpp.texi: The __GNUC__ and related predefined macros
2126         are also defined for the "standalone" cpp.
2127         Some non-GCC compilers may also define __GNUC__.
2128
2129 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2130
2131         PR c/19342
2132         * c-typeck.c (common_type): New routine.  Old common_type renamed
2133         to...
2134         (c_common_type): ...this.
2135         (build_conditional_expr, build_binary_op): Use c_common_type instead
2136         of common_type.
2137
2138 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2139
2140         * doc/md.texi: Replace @samp{length} with @code{length}.
2141
2142 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2143
2144         PR tree-optimization/18687
2145         * tree-flow.h (find_loop_niter): Declare.
2146         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2147         Try using scev even for loops with more than one exit.
2148         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2149         (struct ivopts_data): Added niters field.
2150         (struct nfe_cache_elt): New.
2151         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2152         functions.
2153         (tree_ssa_iv_optimize_init): Initialize niters cache.
2154         (determine_number_of_iterations): Removed.
2155         (find_induction_variables): Do not call determine_number_of_iterations.
2156         Access niters for single exit through niter_for_single_dom_exit.
2157         (add_iv_outer_candidates): Access niters for single exit through
2158         niter_for_single_dom_exit.
2159         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2160         number_of_iterations_cond.
2161         (iv_period): New function.
2162         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2163         (may_replace_final_value): Take data argument.  Use
2164         niter_for_single_dom_exit.
2165         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2166         (rewrite_use_compare): Pass data to may_eliminate_iv.
2167         (rewrite_use_outer): Pass data to may_replace_final_value.
2168         (free_loop_data): Clean up the niters cache.
2169         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2170         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2171         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2172         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2173         (num_ending_zeros): Moved to tree.c.
2174         * tree.h (num_ending_zeros): Declare.
2175         * tree.c (num_ending_zeros): Moved from tree.c.
2176
2177 2005-02-09  Richard Henderson  <rth@redhat.com>
2178
2179         * builtins.c (DEF_BUILTIN): Add COND argument.
2180         * tree.h (DEF_BUILTIN): Likewise.
2181         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2182         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2183         match.
2184         (DEF_BUILTIN_STUB): New.
2185         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2186         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2187         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2188         * c-common.c (DEF_BUILTIN): Add COND argument.
2189         * tree.c (local_define_builtin): New.
2190         (build_common_builtin_nodes): New.
2191
2192 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2193
2194         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2195         floating point expression ignoring the sign of the result.
2196         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2197         (fold) <MULT_EXPR>: Use it to simplify x*x.
2198         * tree.h (fold_strip_sign_ops): Prototype here.
2199         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2200         argument.  Use fold_strip_sign_ops to simplify the first argument.
2201         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2202         first argument when the second argument is an even integer
2203         constant, but only with -funsafe_math_optimizations.
2204         (fold_builtin_1): Update call to fold_builtin_copysign.
2205
2206 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2207
2208         PR middle-end/19583
2209         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2210         just check whether EH_FILTER_FAILURE falls through.
2211
2212 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2213
2214         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2215         insns return to ready list in the next turn.
2216
2217 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2218
2219         PR middle-end/19402
2220         * builtins.def: New __builtin_powi[lf].
2221         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2222         (expand_builtin_powi): New function.
2223         (expand_builtin): Dispatch to expand_builtin_powi.
2224         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2225         * libgcc2.c: Add __builtin_powi[lf] implementation.
2226         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2227         * optabs.h: Add powi_optab.
2228         * optabs.c (init_optabs): Initialize powi_optab.
2229         * doc/extend.texi: Document __builtin_powi[lf].
2230
2231 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2232
2233         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2234         exists.
2235
2236 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2237
2238         PR middle-end/19854
2239         * fold-const.c (try_move_mult_to_index): Remove redundant
2240         type argument.  Create ADDR_EXPR with correct type.
2241         (fold): Update callers of try_move_mult_to_index.  Convert
2242         result to the appropriate type.
2243
2244 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2245
2246         PR target/19597
2247         * config/avr/avr.c (default_rtx_costs): Delete.
2248         (avr_operand_rtx_cost): New function.
2249         (avr_rtx_costs): Completely rewrite.
2250
2251 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2252
2253         PR target/19806
2254         * config/cris/cris.c (in_code): New variable.
2255         (cris_output_addr_const): Now a static function, a wrapper for
2256         output_addr_const.
2257         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2258         case from old cris_output_addr_const.
2259         (cris_asm_output_label_ref): Similar for LABEL_REF.
2260         (cris_output_addr_const_extra): Similar for UNSPEC.
2261         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2262         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2263         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2264         declaration.
2265         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2266         (cris_asm_output_label_ref): Declare.
2267
2268 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2269
2270         PR preprocessor/19801
2271         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2272         filenames that changed when libcpp was moved to the toplevel.
2273
2274 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2275
2276         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2277         zero extensions of BImode operands.  Call lowpart_subreg instead
2278         of gen_lowpart_common and gen_lowpart_SUBREG.
2279
2280 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2281
2282         PR ada/19489
2283         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2284         * configure.ac: Set cc_for_cross_gnattools.
2285         * configure: Regenerate.
2286
2287 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2288
2289         PR target/19803
2290         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2291
2292 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2293
2294         PR debug/19327
2295         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2296         of nested functions.
2297
2298 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2299
2300         * doc/extend.texi: Document deprecated extensions allowing
2301         static floating-point members to have initializers and allowing
2302         floating-point literals in integral constant expressions.
2303
2304 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2305
2306         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2307         config/darwin7.h, config/mips/mips.c,
2308         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2309         Update copyright.
2310
2311         * cse.c: Update comments.
2312
2313 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2314
2315         PR middle-end/19775
2316         * builtins.c (fold_builtin_sqrt): Transform
2317         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2318         pow(x,y*0.5).
2319
2320 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2321             Dorit Naishlos  <dorit@il.ibm.com>
2322
2323         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2324         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2325         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2326         was added.
2327         * tree.h (vect_set_verbosity_level): New extern function declaration
2328         added.
2329         * tree-vectorizer.h (verbosity_levels): New enum type.
2330         * tree-vectorizer.c (vect_debug_stats): Function removed.
2331         (vect_debug_details): Likewise.
2332         (vect_verbosity_level): Global variable was defined and initialized.
2333         (vect_dump): Global variable definition.
2334         (vect_print_dump_info): New function.
2335         (vect_set_dump_settings): New function.
2336         (vect_set_verbosity_level): New function.
2337         (vectorize_loops): Add call to vect_set_dump_settings.
2338
2339         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2340         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2341         (slpeel_tree_peel_loop_to_edge): Likewise.
2342
2343         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2344         appropriate verbosity level instead of call to vect_debug_details
2345         or vect_debug_stats.
2346         (vect_get_base_and_offset):
2347         (vect_create_addr_base_for_vector_ref):
2348         (get_vectype_for_scalar_type):
2349         (vect_create_data_ref_ptr):
2350         (vect_init_vector):
2351         (vect_get_vec_def_for_operand):
2352         (vect_finish_stmt_generation):
2353         (vectorizable_assignment):
2354         (vectorizable_operation):
2355         (vectorizable_store):
2356         (vectorizable_load):
2357         (vect_transform_stmt):
2358         (vect_update_ivs_after_vectorizer):
2359         (vect_do_peeling_for_loop_bound):
2360         (vect_update_inits_of_drs):
2361         (vect_do_peeling_for_alignment):
2362         (vect_transform_loop):
2363         (vect_is_simple_use):
2364         (vect_analyze_operations):
2365         (vect_is_simple_iv_evolution):
2366         (vect_analyze_scalar_cycles):
2367         (vect_analyze_data_ref_dependence):
2368         (vect_analyze_data_ref_dependences):
2369         (vect_compute_data_ref_alignment):
2370         (vect_enhance_data_refs_alignment):
2371         (vect_analyze_data_refs_alignment):
2372         (vect_analyze_data_ref_access):
2373         (vect_analyze_data_ref_accesses):
2374         (vect_analyze_pointer_ref_access):
2375         (vect_get_memtag_and_dr):
2376         (vect_analyze_data_refs):
2377         (vect_mark_relevant):
2378         (vect_stmt_relevant_p):
2379         (vect_mark_stmts_to_be_vectorized):
2380         (vect_can_advance_ivs_p):
2381         (vect_get_loop_niters):
2382         (vect_analyze_loop_form):
2383         (vect_analyze_loop):
2384         (vectorize_loops): Likewise.
2385
2386         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2387         (vect_update_inits_of_drs):
2388         (vect_do_peeling_for_alignment):
2389         (vect_transform_loop):
2390         (vect_analyze_operations):
2391         (vect_analyze_scalar_cycles):
2392         (vect_analyze_data_ref_dependences):
2393         (vect_analyze_data_refs_alignment):
2394         (vect_analyze_data_ref_accesses):
2395         (vect_analyze_data_refs):
2396         (vect_mark_stmts_to_be_vectorized):
2397         (vect_get_loop_niters):
2398         (vect_analyze_loop_form):
2399         (vect_analyze_loop): Likewise.
2400         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2401
2402 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2403
2404         PR bootstrap/19796
2405         Revert:
2406         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2407         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2408         either -ffast-math or -funsafe-math-optimizations is in use.
2409
2410         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2411         * config/mips/irix-csr.c: New file.
2412         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2413         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2414         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2415         executables.
2416
2417 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2418
2419         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2420         redundant, incorrect definitions.
2421
2422         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2423         expand.
2424         ("*tls_indirect_call"): New, reference hard regs directly.
2425         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2426
2427 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2428
2429         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2430         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2431
2432 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2433
2434         PR rtl-optimization/19800
2435         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2436         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2437         gen_lowpart.
2438
2439 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2440
2441         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2442
2443 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2444
2445         PR other/17135
2446         * doc/invoke.texi: Correct documentation of -freorder-functions.
2447
2448 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2449
2450         PR other/14402
2451         * doc/invoke.texi: Don't mention gccbug.
2452
2453 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2454             Andrew Pinski  <pinskia@physics.uc.edu>
2455             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2456
2457         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2458         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2459         into just (zero_extract:SI FOO (const_int 1) BAR).
2460
2461 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2462
2463         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2464         macro locally.  Don't give last revision date.  Use GCC version
2465         number from gcc-common.texi.
2466         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2467         revision date.  Use GCC version number from gcc-common.texi.
2468         Describe being a library as current state rather than as 3.x
2469         history.
2470         * doc/gcc.texi: Remove last update date.
2471         * doc/gccint.texi: Likewise.  Update copyright dates.
2472         * doc/install.texi: Update copyright dates.
2473
2474 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2475
2476         PR other/7549
2477         * doc/invoke.texi: Mention for each option included in -Wall that
2478         it is included in -Wall.
2479         * doc/gcc.texi: Update copyright and last modification date.
2480
2481 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2482
2483         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2484         unnecessary cast to original induction variable increments.
2485
2486 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2487
2488         PR tree-optimization/18219
2489         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2490         in distributed form.
2491
2492 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2493
2494         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2495         Set bitpos and offset later in the function.  Do nothing if the
2496         target is a register and if the bitfield lies completely outside
2497         that register.
2498         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2499         here.  Return an uninitialised register if the source value is stored
2500         in a register and the bitfield lies completely outside that register.
2501
2502 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2503
2504         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2505         not SET_DEST.
2506
2507 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2508
2509         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2510
2511 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2512
2513         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2514         * config/darwin8.h: New.
2515         * config/darwin7.h: Update comment.
2516
2517 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2518             Dorit Naishlos  <dorit@il.ibm.com>
2519
2520         * tree-vectorizer.h (LOC): New type.
2521         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2522         (loop_line_number): New field in struct _loop_vec_info.
2523         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2524
2525         * tree-vectorizer.c (input.h): Included.
2526         (find_loop_location): New function.
2527         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2528         loop line number removed.
2529         (vect_debug_details): Likewise.
2530         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2531
2532         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2533         call to vect_debug_details/stats changed from loop to loop_loc.
2534         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2535         (slpeel_tree_peel_loop_to_edge): Likewise.
2536
2537         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2538         changed from NULL to UNKNOWN_LOC.
2539         (vect_get_base_and_offset):
2540         (vect_create_addr_base_for_vector_ref):
2541         (get_vectype_for_scalar_type):
2542         (vect_create_data_ref_ptr):
2543         (vect_init_vector):
2544         (vect_get_vec_def_for_operand):
2545         (vect_finish_stmt_generation):
2546         (vectorizable_assignment):
2547         (vectorizable_operation):
2548         (vectorizable_store):
2549         (vectorizable_load):
2550         (vect_transform_stmt):
2551         (vect_update_ivs_after_vectorizer):
2552         (vect_do_peeling_for_loop_bound):
2553         (vect_do_peeling_for_alignment):
2554         (vect_transform_loop):
2555         (vect_is_simple_use):
2556         (vect_analyze_operations):
2557         (vect_is_simple_iv_evolution):
2558         (vect_analyze_scalar_cycles):
2559         (vect_analyze_data_ref_dependences):
2560         (vect_compute_data_ref_alignment):
2561         (vect_enhance_data_refs_alignment):
2562         (vect_analyze_data_ref_access):
2563         (vect_analyze_data_ref_accesses):
2564         (vect_analyze_pointer_ref_access):
2565         (vect_get_memtag_and_dr):
2566         (vect_analyze_data_refs):
2567         (vect_mark_relevant):
2568         (vect_stmt_relevant_p):
2569         (vect_mark_stmts_to_be_vectorized):
2570         (vect_can_advance_ivs_p):
2571         (vect_get_loop_niters):
2572         (vect_analyze_loop):
2573         (vectorize_loops): Likewise.
2574
2575         (vectorizable_load): Argument in call to vect_debug_details/stats
2576         changed from loop to LOOP_LOC (loop_vinfo).
2577         (vect_transform_loop):
2578         (vect_analyze_operations):
2579         (vect_analyze_scalar_cycles):
2580         (vect_analyze_data_ref_dependence):
2581         (vect_enhance_data_refs_alignment):
2582         (vect_analyze_data_ref_accesses):
2583         (vect_analyze_pointer_ref_access):
2584         (vect_analyze_data_refs):
2585         (vect_analyze_loop): Likewise.
2586
2587         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2588         changed from loop to loop_loc.
2589
2590         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2591
2592 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2593             Dorit Naishlos  <dorit@il.ibm.com>
2594
2595         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2596         declaration added.
2597         (vect_analyze_data_ref_dependences): Likewise.
2598
2599         (vect_is_simple_use): Argument changed from loop structure to
2600         loop_vect_info structure.
2601         (vect_can_advance_ivs_p): Likewise.
2602         (vect_create_index_for_vector_ref): Likewise.
2603         (vect_update_ivs_after_vectorizer): Likewise.
2604         (new_stmt_vec_info): Likewise.
2605
2606         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2607         changed from loop to loop_vinfo.
2608         (vect_create_data_ref_ptr): First argument in call to
2609         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2610         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2611         was changed from loop to loop_vinfo.
2612         (vectorizable_operation): Likewise.
2613         (vectorizable_store): Likewise.
2614         (vect_mark_stmts_to_be_vectorized): Likewise.
2615         (vect_do_peeling_for_loop_bound): First argument in call to
2616         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2617         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2618         was changed from loop to loop_vinfo.
2619         (vect_analyze_data_ref_dependences): Third argument in call to
2620         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2621
2622         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2623         (vect_create_data_ref_ptr): Likewise.
2624         (vect_init_vector): Likewise.
2625         (vect_get_vec_def_for_operand): Likewise.
2626         (vectorizable_assignment): Likewise.
2627         (vectorizable_operation): Likewise.
2628         (vectorizable_store): Likewise.
2629         (vectorizable_load): Likewise.
2630         (vect_update_ivs_after_vectorizer): Likewise.
2631         (vect_is_simple_use): Likewise.
2632         (vect_analyze_data_ref_dependence): Likewise.
2633         (vect_analyze_pointer_ref_access): Likewise.
2634         (vect_can_advance_ivs_p): Likewise.
2635
2636         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2637         before _stmt_vec_info.
2638         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2639         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2640         (new_stmt_vec_info): Argument changed from loop structure to
2641         loop_vect_info structure
2642
2643         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2644         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2645         (vect_create_addr_base_for_vector_ref): Likewise.
2646         (vect_analyze_pointer_ref_access): Likewise.
2647
2648 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2649
2650         PR tree-opt/19768
2651         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2652         phi flag if the phi is abnormal.
2653
2654 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2655
2656         PR tree-opt/19736
2657         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2658         information for the new statement.
2659
2660 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2661
2662         PR driver/19117
2663         * gcc.c (main): Include the target in -v output.
2664
2665 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2666
2667         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2668         Do not drop the extend if we'd have to add a paradoxical subreg
2669         later.  Include optabs.h and insn-codes.h.
2670         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2671
2672 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2673
2674         PR middle-end/19405
2675         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2676         * fold-const.c (const_binop): Avoid constant folding floating
2677         point operations in modes that use composite representations.
2678         * simplify-rtx.c (simplify_binary_operation): Likewise.
2679
2680 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2681
2682         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2683         a REG, not a MEM.
2684         (altivec_dstt): Likewise.
2685         (altivec_dstst): Likewise.
2686         (altivec_dststt): Likewise.
2687         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2688         of first operand.
2689
2690 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2691
2692         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2693         EXPR_LOCUS from orig_cond to the new cond_stmt.
2694         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2695         the new vec_stmt.
2696
2697 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2698
2699         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2700         standard_iv_increment_position. Remove call to bsi_next
2701         (no need to bump the iterator anymore).
2702         (vect_create_index_for_vector_ref): Call
2703         standard_iv_increment_position. Remove second function argument.
2704         (vect_finish_stmt_generation): Remove call to bsi_next
2705         (no need to bump the iterator anymore).
2706         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2707         to vect_create_index_for_vector_ref.
2708
2709 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2710
2711         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2712         phis are used out of the loop.
2713
2714 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2715
2716         PR c/17807
2717         * c-decl.c (undef_nested_function): New variable.
2718         (pop_scope): Diagnose undefined nested functions.
2719         (finish_function): Don't attempt cgraph processing or genericizing
2720         if current top-level function contained an undefined nested
2721         function.  Reset undef_nested_function at the end of a top-level
2722         function.
2723
2724 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2725
2726         * tree.c (build_int_cst_type): Take sign of the value into account
2727         when deciding whether sign extend the value.
2728
2729 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2730
2731         PR c/18502
2732         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2733         (cpp_options, cc1_options): Change %{std*&ansi} to
2734         %{std*&ansi&trigraphs}.
2735
2736 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2737
2738         * cse.c: Update comments.
2739
2740 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2741
2742         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2743         arguments go on the stack.  Do not put complex doubles in odd/even
2744         pairs.
2745
2746 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2747
2748         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2749         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2750         -ftree-pre, and -fthread-jumps.
2751
2752 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2753
2754         PR tree-optimization/19578
2755         * tree-flow.h (modified_noreturn_calls): Declare.
2756         (noreturn_call_p): Declare.
2757         * tree-flow-inline.h (noreturn_call_p): New function.
2758         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2759         * tree-cfg.c (modified_noreturn_calls): New variable.
2760         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2761         that contain a mid-block noreturn call.
2762         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2763
2764 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2765
2766         * df.c (df_def_record_1, df_uses_record): Don't use
2767         DF_FOR_REGALLOC.
2768         * df.h (DF_FOR_REGALLOC): Remove.
2769
2770 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2771
2772         PR c/19435
2773         * c-typeck.c (really_start_incremental_init): Reset
2774         constructor_max_index for arrays of incomplete type.
2775
2776 2005-02-02  Jeff Law  <law@redhat.com>
2777
2778         * gcse.c (struct reg_set): Store the block index where the register
2779         was set rather than the setting insn.
2780         (record_one_set, compute_transp): Corresponding changes.
2781         (pre_insert_copy_insn): Do not call replace_one_set.
2782         (replace_one_set): Remove.
2783
2784 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2785
2786         PR other/15514
2787         * doc/gcov.texi: Fix typo.
2788
2789 2005-02-01  Richard Henderson  <rth@redhat.com
2790
2791         PR target/19680
2792         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2793         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2794         type to bool.
2795         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2796         * config/i386/i386-protos.h: Update.
2797
2798 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2799
2800         PR tree-optimization/19217
2801         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2802         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2803         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2804         that it is walking a PHI node.
2805
2806 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2807
2808         * doc/extend.texi (Nested Functions): Update.
2809
2810 2005-02-01  Richard Henderson  <rth@redhat.com>
2811
2812         PR 19696
2813         * optabs.c (expand_copysign_absneg): Export.
2814         * optabs.h (expand_copysign_absneg): Declare.
2815         * config/rs6000/rs6000.md (copysigntf3): New.
2816
2817 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2818
2819         PR tree-optimization/19633
2820         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2821         * tree-ssa-alias.c (init_alias_info): Initialize.
2822         (merge_pointed_to_info): Set.
2823         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2824         (dump_points_to_info_for): Show value of pt_null.
2825         (struct count_ptr_d): Declare.
2826         (find_ptr_dereference): Remove.
2827         (ptr_is_dereferenced_by): Remove.
2828         (count_ptr_derefs): New local function.
2829         (count_uses_and_derefs): New local function.
2830         (compute_points_to_and_addr_escape): Call it.  If the number
2831         of dereferences is greater than zero, mark the pointer as
2832         dereferenced.  If there are fewer dereferences than uses of
2833         the pointer, the pointer's value escapes.
2834
2835 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2836
2837         PR tree-optimization/19670
2838         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2839         here...
2840         (verify_use): ... set it here, instead.
2841
2842 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2843
2844         * doc/sourcebuild.texi (Test directives): Fix formatting.
2845
2846         * doc/sourcebuild.texi (Test directives): Describe selector
2847         expressions.
2848
2849 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2850
2851         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2852         specific 64-bit CPUs.
2853
2854 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2855
2856         PR target/16201
2857         * arm.c (arm_eliminable_register): New function.
2858         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2859         HOST_WIDE_INT for address offsets.
2860         * arm-protos.h (arm_eliminable_register): Add prototype.
2861
2862 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2863
2864         PR optimization/15242
2865         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2866         * basic-block.h (duplicate_computed_gotos): Add prototype.
2867         * bb-reorder.c (duplicate_computed_gotos): New function to
2868         duplicate sufficiently small blocks ending in a computed jump.
2869         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2870         if not optimizing for size.
2871         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2872         never do tail merging for blocks ending in a computed jump.
2873         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2874
2875 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2876
2877         Patch from Richard Sandiford <rsandifo@redhat.com>
2878         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2879         from inheriting a subreg equivalence with a non-spill register.
2880
2881         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2882
2883 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2884
2885         * config/frv/frv.c (movcc_fp_destination_operand): New.
2886         (gpr_or_memory_operand): Fix typo in comment.
2887         (gpr_or_memory_operand_with_scratch): New.
2888         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2889         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2890         movcc_fp_destination_operand.
2891         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2892         Legitimize memory addresses using a scratch register.
2893
2894 2005-01-31  Jeff Law  <law@redhat.com>
2895
2896         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2897         bitmap a sparse bitmap instead of a simple bitmap.
2898         (mark_def_sites_initialize_block):  Corresponding changes.
2899         (ssa_mark_def_sites_initialize_block): Likewise.
2900         (ssa_mark_phi_uses): Likewise.
2901         (mark_def_site, ssa_mark_def_sites): Likewise.
2902         (mark_def_site_blocks): Likewise.
2903         (rewrite_ssa_into_ssa): Likewise.
2904
2905         * tree-ssa-dom.c (record_cond): Pass correct variable type
2906         for last argument to htab_find_slot_with_hash.
2907
2908         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2909         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2910
2911 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2912
2913         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2914         1_mmalua.
2915
2916 2005-02-01  Eric Christopher  <echristo@redhat.com>
2917
2918         * config/mips/mips.c (override_options): Warn if -mint64
2919         is used.
2920         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2921         deprecated.
2922
2923 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2924
2925         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2926         timestamp.
2927         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2928         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2929         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2930         (cached_regno): Initialize to INVALID_REGNUM.
2931         (cse_reg_info_table_size,
2932         cse_reg_info_table_first_uninitialized,
2933         cse_reg_info_timestamp): New.
2934         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2935         get_cse_reg_info.
2936         (init_cse_reg_info, get_cse_reg_info_1): New.
2937         (get_cse_reg_info): Cache the last look-up.
2938         (new_basic_block): Update the code to clear mappings from
2939         registers to cse_reg_info entries.
2940         (cse_main): Call init_cse_reg_info.
2941
2942         * cse.c (get_cse_reg_info): Update a comment.
2943
2944 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2945
2946         PR c/19333
2947         * c-decl.c (start_decl): Do not warn about arrays of elements with
2948         an incomplete type here.
2949         (grokdeclarator): Do it here by making a pedwarn an error.
2950         * c-typeck.c (push_init_level): If there were previous errors with
2951         the constructor type, do not warn about braces for initializers.
2952         (process_init_element): Likewise for excess initializer elements.
2953
2954 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2955
2956         * cse.c (delete_trivially_dead_insn): Don't iterate.
2957
2958 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2959
2960         * config/rs6000/rs6000.md (copysignsf3): New expand.
2961         (copysigndf3): Likewise.
2962
2963 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2964
2965         * recog.c (constrain_operands): Only look for earlyclobber operand
2966         conflicts if an '&' constraint was seen.
2967
2968 2005-01-31  Marc Espie <espie@openbsd.org>
2969
2970         * config.gcc: Don't include embedded systems fragment, switches default
2971         debugging format to ELF.
2972         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2973         longer pick it up there.
2974
2975 2005-01-31  Dale Johannesen  <dalej@apple.com>
2976
2977         * doc/extend.texi (nested functions): Fix linkage description.
2978         Clarify that static is not allowed.
2979
2980 2005-01-31  Dale Johannesen  <dalej@apple.com>
2981
2982         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2983         (movdf_low_di):  Make work.
2984
2985 2005-01-31  Dale Johannesen  <dalej@apple.com>
2986
2987         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2988         Make work for 64 bit.
2989
2990 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2991             Dale Johannesen  <dalej@apple.com>
2992
2993         PR middle-end/19650
2994         * fold-const.c (fold_binary_op_with_conditional_arg):
2995         Make types match original operands, before STRIP_NOPS.
2996
2997 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2998
2999         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3000         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3001         (struct gcc_sigcontext): Delete.  Merge contents to..
3002         (struct gcc_ucontext): ..here.
3003         (get_sigcontext): Delete.
3004         (get_regs): New function, like get_sigcontext but return regs ptr.
3005         64-bit version finds regs from r1 to support vdso.
3006         (ppc_linux_aux_vector): New function.
3007         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3008         and vector regs.
3009
3010 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3011
3012         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3013         sizetype.
3014         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3015         redundant fold. Fix misalignment for MINUS_EXPR.
3016         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3017         (vect_analyze_pointer_ref_access): Likewise.
3018         (vect_get_memtag_and_dr): Likewise.
3019
3020 2005-01-31  Richard Henderson  <rth@redhat.com>
3021
3022         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3023         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3024         absnegdf2_i387, absnegxf2_i387): Likewise.
3025
3026 2005-01-31  Richard Henderson  <rth@redhat.com>
3027
3028         PR 19696
3029         * optabs.c (expand_copysign_absneg): New.
3030         (expand_copysign_bit): Split out from ...
3031         (expand_copysign): ... here.  Use expand_copysign_absneg.
3032
3033 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3034
3035         PR middle-end/19697
3036         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3037         constant as the second operand and a register as the third.
3038
3039 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3040
3041         PR target/19704
3042         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3043         that dllimport'd functions do not use all call-clobbered registers
3044         to pass parameters.
3045
3046 2005-01-30  Richard Henderson  <rth@redhat.com>
3047
3048         PR 19696
3049         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3050         expand_abs_nojump and generalize.  Use operand_subword and
3051         emit_no_conflict_block.  Support large modes.
3052         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3053         back to maximum.
3054         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3055         negation to subtraction.
3056         (expand_copysign): Check that the format has signed zeros.
3057         Use operand_subword and emit_no_conflict_block.  Support large modes.
3058
3059 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3060
3061         Fix PR tree-optimization/19624
3062
3063         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3064         * tree-ssa-pre.c: Add cfgloop.h.
3065         Update comment.
3066         (pre_stats): New member, constified.
3067         (inserted_exprs): New static variable.
3068         (NECESSARY): New macro.
3069         (create_expression_by_pieces): Fold the expression, and
3070         mark it as defaulting to not necessary. Also put in
3071         inserted_exprs.
3072         (fully_constant_expression): New function.
3073         (insert_into_preds_of_block): Modify to not insert phis when we
3074         are playing with induction variables.
3075         Push phis onto the inserted_exprs vector, and mark them as not
3076         necessary by default.
3077         (insert_aux): Call fully_constant_expression on eprime.
3078         If all edges produce the same value, mark it constant.
3079         (mark_operand_necessary): New function.
3080         (remove_dead_inserted_code): New function.
3081         (init_pre): Init loop optimizer to get loop info.
3082         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3083         (execute_pre): Commit edge inserts, then remove dead code.
3084
3085 2005-01-30  Richard Henderson  <rth@redhat.com>
3086
3087         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3088         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3089
3090 2005-01-30  Richard Henderson  <rth@redhat.com>
3091
3092         PR target/19700
3093         * config/i386/i386.c (ix86_expand_copysign): New.
3094         (ix86_split_copysign_const): New.
3095         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3096         rearrange op1/nmask operands.
3097         * config/i386/i386-protos.h: Update.
3098         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3099         (copysigndf3): Likewise.
3100         (copysignsf3_const, copysigndf3_const): New.
3101         (copysignsf3_var): Rename from copysignsf3, split out splitter
3102         and fix split predicate for X constraint.
3103         (copysigndf3_var): Similarly.
3104
3105 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3106
3107         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3108         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3109         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3110
3111 2005-01-29  Richard Henderson  <rth@redhat.com>
3112
3113         PR target/19690
3114         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3115         of # and * in constraints.
3116
3117 2005-01-29  Richard Henderson  <rth@redhat.com>
3118
3119         PR middle-end/19689
3120         * expr.c (store_field): Don't strip sub-mode cast when the input
3121         data is even smaller.
3122
3123 2005-01-29  Richard Henderson  <rth@redhat.com>
3124
3125         PR middle-end/19687
3126         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3127         union being empty.
3128
3129 2005-01-29  Richard Henderson  <rth@redhat.com>
3130
3131         * combine.c (make_field_assignment): Fix argument order
3132         to gen_int_mode.
3133
3134 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3135
3136         PR tree-optimization/15791
3137         * fold-const.c (extract_array_ref): New function.
3138         (fold): Fold comparisons between &a[i] and &a[j] or
3139         semantically equivalent trees.
3140
3141 2005-01-29  Jeff Law  <law@redhat.com>
3142
3143         * gcse.c (insert_expr_in_table): Revamp handling of available
3144         and anticipatable occurrence lists to avoid unnecessary list
3145         walking.
3146         (insert_set_in_table): Similarly.
3147
3148 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3149
3150         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3151         build string type.
3152         (c_build_qualified_type): Build qualified array types with
3153         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3154         * c-decl.c (c_make_fname_decl): Build unqualified array type
3155         before qualified type.
3156         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3157         type is qualified, not just if type itself is.  Don't apply
3158         qualifiers to array type when declarator is processed.  Apply
3159         qualifiers to field type whether or not it is an array type.
3160         Don't handle array types specially for applying qualifiers to
3161         variables.
3162         * c-typeck.c (composite_type): Build unqualified element type and
3163         array type when forming composite of array types.
3164         (common_pointer_type, comptypes, comp_target_types,
3165         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3166         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3167         types.
3168         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3169         (args2) in variables a1 and a2.
3170
3171 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3172
3173         * cse.c (n_elements_made, max_elements_made): Remove.
3174         (insert): Don't touch n_elements_made.
3175         (cse_main): Don't touch n_elements_made or max_elements_made.
3176
3177 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3178
3179         PR target/15384
3180         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3181         configuration part of dp-bit.c to be lost.
3182
3183 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3184
3185         * expmed.c (expand_mult_highpart_optab): When attempting to use
3186         a non-widening multiplication in a wider mode, the operands need
3187         to be converted (zero or sign extended) to that mode.
3188
3189 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3190
3191         PR middle-end/16558
3192         PR middle-end/19583
3193         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3194         through if both operands fall through.
3195
3196 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3197
3198         * cse.c (fold_rtx) <PC>: Don't optimize.
3199
3200 2005-01-28  Jeff Law  <law@redhat.com>
3201
3202         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3203         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3204
3205 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3206
3207         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3208         cse_reg_info_used_list_end): Remove.
3209         (cse_reg_info_list, cse_reg_info_list_free): New.
3210         (get_cse_reg_info): When allocating an instance of
3211         cse_reg_info, add it to the beginning of the cse_reg_info_list
3212         list.  Remove code to maintain cse_reg_info_used_list.
3213         (new_basic_block): Reset the free list to the beginning of
3214         cse_reg_info_list.
3215
3216 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3217
3218         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3219         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3220         (frv_expand_mdpackh_builtin): New function.
3221         (frv_expand_builtin): Use it to expand __MDPACKH.
3222         * doc/extend.texi (__MDPACKH): Update documentation.
3223
3224 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3225
3226         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3227         SSE_FLOAT_MODE_P for use_sse computation.
3228
3229 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3230
3231         PR target/19663
3232         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3233
3234 2005-01-27  Richard Henderson  <rth@redhat.com>
3235
3236         * builtins.c (expand_builtin_copysign): New.
3237         (expand_builtin): Call it.
3238         * genopinit.c (optabs): Add copysign_optab.
3239         * optabs.c (init_optabs): Initialize it.
3240         (expand_copysign): New.
3241         * optabs.h (OTI_copysign, copysign_optab): New.
3242         (expand_copysign): Declare.
3243
3244         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3245         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3246
3247         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3248         (ix86_expand_fp_absneg_operator): ... here.
3249         (ix86_split_copysign): New.
3250         * config/i386/i386-protos.h: Update.
3251         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3252         (copysignsf3, copysigndf3): New.
3253
3254         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3255         (copysignsf3, ncopysignsf3): New.
3256         (copysigndf3, ncopysigndf3): New.
3257         (copysignxf3, ncopysignxf3): New.
3258         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3259
3260 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3261             Kazu Hirata  <kazu@cs.umass.edu>
3262
3263         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3264         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3265         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3266         NULL_RTX.
3267
3268 2005-01-27  Jeff Law  <law@redhat.com>
3269
3270         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3271         definitions of SSA_NAMEs which are not being rewritten.
3272         (rewrite_ssa_into_ssa): Only initialize the current definition
3273         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3274         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3275         SSA_NAMEs before returning.
3276
3277 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3278
3279         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3280         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3281         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3282         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3283         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3284
3285 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3286
3287         PR middle-end/17278
3288         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3289         higher to -O2 and higher.  Likewise for tree PRE.
3290         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3291         and better.
3292
3293 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3294
3295         PR middle-end/19583
3296         * gimple-low.c (try_catch_may_fallthru): New static function.
3297         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3298         * tree-inline.c (expand_call_inline): Don't warn about reaching
3299         the end of a non-void function being inlined if the function uses
3300         a return slot.
3301
3302 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3303
3304         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3305
3306         PR c/18946
3307         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3308         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3309         (implicitly_declare): Handle error_mark_node.
3310
3311 2005-01-27  Richard Henderson  <rth@redhat.com>
3312
3313         PR tree-opt/14329
3314         * tree.h (struct tree_decl): Add debug_expr_is_from.
3315         (DECL_DEBUG_EXPR_IS_FROM): New.
3316         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3317         * dwarf2out.c (dwarf2out_var_location): Update to match.
3318         * tree-outof-ssa.c (create_temp): Likewise.
3319         * var-tracking.c (track_expr_p): Likewise.
3320         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3321         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3322         * toplev.c (default_tree_printer): Likewise.
3323
3324 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3325
3326         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3327         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3328
3329 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3330
3331         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3332         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3333         ASM_CLOBBERS): Add tree checks.
3334
3335         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3336         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3337         * c-common.def (SWITCH_STMT): Update to match.
3338         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3339         macros instead of SWITCH_EXPR ones.
3340         * c-dump.c (c_dump_tree): Likewise.
3341         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3342         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3343
3344         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3345
3346 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3347
3348         * unwind-dw2.c (execute_stack_op): Add missing cases for
3349         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3350
3351 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3352
3353         * config.gcc (Obsolete configurations): Remove 'dummy', add
3354         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3355         sparc-*-openbsd*.
3356
3357 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3358
3359         PR tree-optimization/19633
3360         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3361         CALL_EXPRs.
3362         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3363         are no call-clobbered variables.
3364         * tree-outof-ssa.c (check_replaceable): Return false for calls
3365         with side-effects.
3366
3367 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3368
3369         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3370         even for variables with NULL DECL_INITIAL.
3371
3372 2005-01-26  Stuart Hastings  <stuart@apple.com>
3373
3374         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3375
3376 2005-01-26  Richard Henderson  <rth@redhat.com>
3377
3378         PR middle-end/18008
3379         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3380         field's type.
3381         * expr.c (store_field): Strip conversions to odd-bit-sized types
3382         if the destination field width matches.
3383
3384 2005-01-26  Richard Henderson  <rth@redhat.com>
3385
3386         * c-decl.c, expmed.c, expr.c: Revert last change.
3387
3388 2005-01-26  Richard Henderson  <rth@redhat.com>
3389
3390         PR middle-end/18008
3391         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3392         field's type.
3393         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3394         if we don't need the bits above those present in the current mode.
3395         * expr.c (store_field): Strip conversions to odd-bit-sized types
3396         if the destination field width matches.
3397
3398 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3399
3400         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3401         either -ffast-math or -funsafe-math-optimizations is in use.
3402
3403 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3404
3405         PR target/19293
3406         PR target/19329
3407         * config/avr/avr.c (notice_update_cc): Only set condition code for
3408         ashrqi3 if shift count > 0.
3409         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3410         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3411         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3412         count <= 0 as a no-op, and shift count >= width by copying zero
3413         or sign bit to all bits of the result.
3414         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3415         count, with attribute "length" set to 0 and "cc" set to "none".
3416
3417 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3418
3419         * doc/invoke.texi: Document -mTLS.
3420
3421         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3422         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3423         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3424         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3425         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3426         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3427         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3428         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3429
3430         * configure.ac: Check for a TLS capable gas.
3431
3432         * configure: Regenerate.
3433
3434 2005-01-26  Richard Henderson  <rth@redhat.com>
3435
3436         PR middle-end/18008
3437         * combine.c (make_field_assignment): Simplify store to zero_extract
3438         from a source with an overlapping mask.
3439
3440 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3441
3442         2004-11-11  Eric Christopher  <echristo@redhat.com>
3443
3444         * config/frv/frv.md: Add fr400_integer automaton. Don't
3445         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3446         to TYPE_MACC.
3447
3448 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3449
3450         PR middle-end/16585
3451         * cfgbuild.c (make_edges): Do not clear or set
3452         current_function_has_computed_jump.
3453         * function.h (struct function): Remove the has_computed_jump field.
3454         (current_function_has_computed_jump): Do not define.
3455         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3456         in a computed jump.  Ignore current_function_has_computed_jump.
3457
3458 2005-01-26  Richard Henderson  <rth@redhat.com>
3459
3460         PR middle-end/19515
3461         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3462         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3463         fully initialized.
3464         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3465         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3466         objects into static storage if they have more than one non-zero value.