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* tree-ssa-phiopt.c: Fix a comment typo.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * tree-ssa-phiopt.c: Fix a comment typo.
4
5 2005-03-08  Richard Henderson  <rth@redhat.com>
6
7         * config/alpha/alpha.c (code_for_builtin): Replace special-case
8         builtin codes with ctzdi2, clzdi2, popcountdi2.
9         (struct alpha_builtin_def): Add is_const.
10         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
11         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
12         (alpha_init_builtins): Init them.  Set nothrow and const attributes
13         on builtins.
14         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
15         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
16         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
17         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
18         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
19         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
20         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
21         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
22         (TARGET_FOLD_BUILTIN): New.
23         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
24         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
25         (ffsdi2): Use ctz.
26         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
27
28 2005-03-08  Ira Rosen  <irar@il.ibm.com>
29
30         PR tree-optimization/20122
31         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
32         condition of access function instead of base.
33
34 2005-03-07  Jeff Law  <law@redhat.com>
35             Steven Bosscher  <stevenb@suse.de>
36
37         * tree-cfg.c (find_taken_edge_computed_goto): New function.
38         (find_taken_edge): Call find_taken_edge_computed_goto as
39         appropriate.  Allow any gimple invariant rather than just
40         INTEGER_CST for VAL.
41         (cleanup_control_flow): Cleanup a computed goto which has turned
42         into a simple goto.
43         (tree_merge_blocks): If block B has any forced labels, move
44         them to the start of block A.
45         * tree-ssa-dom.c (thread_across_edge): Allow threading across
46         computed gotos as well.
47         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
48         removal of unnecessary computed gotos too.
49         (lookup_redirection_data): Fix type of INSERT argument.  Callers
50         updated.
51
52 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
53
54         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
55         Remove trailing spaces.
56
57         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
58         unshare_all_trees): Make them static.
59         * tree-gimple.h: Remove the corresponding prototypes.
60
61         * diagnostic.h: Remove unused prototype
62         debug_output_buffer.
63         * modulo-sched.c: Remove unused prototype
64         set_row_column_for_ps.
65
66         * tree-ssa-phiopt.c (tree_ssa_phiopt,
67         replace_phi_edge_with_variable): Remove unused variable i.
68
69 2005-03-07  Per Bothner  <per@bothner.com>
70
71         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
72
73 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
74         
75         PR tree-opt/17671
76         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
77         bbs on the COND_EXPR instead of the PHI_NODEs.
78         (candidate_bb_for_phi_optimization): Remove.
79         (replace_phi_with_stmt): Rename to ...
80         (replace_phi_edge_with_variable): this and change so that we
81         replace the phi argument instead of removing the PHI.
82         (conditional_replacement): Change so we deal with PHI with more
83         than two arguments.
84         (value_replacement): Likewise.
85         (abs_replacement): Likewise.
86
87 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
88
89         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
90         output_e500_flip_gt_bit.
91
92         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
93         as bit 31.
94         (rs6000_generate_compare): Fix logic to look at the correct bits.
95         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
96         Look at GT bit.
97         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
98         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
99         gen_move_from_CR_gt_bit.
100
101         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
102         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
103         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
104
105         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
106         (E500_CR_IOR_COMPARE): New constant.
107
108 2005-03-08  Earl Chew <earl_chew@agilent.com>
109             David Billinghurst <David.Billinghurst@riotinto.com>
110
111         * config/i386/host-cygwin.c: New file to support precompiled
112         headers on cygwin
113         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
114         * config.host: Use above files for cygwin host.
115
116 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
117
118         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
119         ordering ops from earlier change.
120
121 2005-03-07  Per Bothner  <per@bothner.com>
122
123         Various fixes to allow us to again build if --enable-mapped-location:
124         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
125         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
126         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
127         local variable loc. Change logic appropriately.
128         * tree-vect-transform.c (vect_finish_stmt_generation): Use
129         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
130         * c-parser.c (c_parser_for_statement): Initialize loc variable.
131         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
132         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
133
134 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
135
136         PR rtl-optimization/19683
137         * reload1.c (choose_reload_regs): Pass the number of bits, not the
138         number of bytes, to smallest_int_for_mode.  Fix arguments to
139         REG_CANNOT_CHANGE_MODE_P.
140
141 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
142
143         * reorg.c (relax_delay_slots): Check that the jump is
144         conditional before trying to invert it.
145
146 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
147
148         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
149         Make them static.
150
151         * calls (stack_arg_under_construction): Make it static.
152
153         * flow.c (regs_live_at_setjmp): Make it static.
154         * flow.h: Remove the corresponding prototype.
155
156         * reload1.c (reload_startobj, reload_firstobj,
157         something_needs_operands_changed, reload_inherited,
158         reload_inheritance_insn, reload_override_in,
159         reload_spill_index): Make them static.
160
161         * recog.c (verify_changes): Make it static.
162         * recog.h: Remove the corresponding prototype.
163
164         * cfgbuild.c (find_sub_basic_blocks): Remove.
165         * basic-block.h: Remove the corresponding prototype.
166         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
167         in comments.
168         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
169
170         * tree-ssa-operands.c (check_build_stmt): Remove.
171
172         * stor-layout.c (set_alignment): Remove.
173         * tree.h: Remove the corresponding prototype.
174
175         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
176
177         * tree-ssa-dce.c (control_dependence_map,
178         visited_control_parents): Make them static.
179
180         * cfghooks.c (verify_flow_info): Remove local variable
181         num_bb_notes.
182
183         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
184         last_bb_seen.
185
186         * loop-unswitch.c (unswitch_loop): Remove local variable src.
187
188 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
189
190         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
191
192 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
193
194         * config/ia64/hpux.h (LINK_SPEC): Add -z.
195         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
196         PARALLEL for an empty structure.
197
198 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
199
200         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
201
202         * fold-const.c (fold_binary): Unroll the very first "for"
203         loop.
204
205 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
206
207         * config/rs6000/predicates.md (branch_comparison_operator): Remove
208         redundant match_code test.
209         (scc_comparison_operator): Swap match_operand and match_code
210         tests.
211         (branch_positive_comparison_operator): Same.
212         (trap_comparison_operator): Use comparison_operator and swap with
213         match_code test.
214
215 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
216
217         PR target/20288
218         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
219         (out_movhi_r_mr): Read low byte of volatile MEM first.
220         (out_movhi_mr_r): Write high byte of volatile MEM first.
221
222 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
223
224         * cselib.c (reg_values, reg_values_size): Make them static.
225
226         * cse.c (cse_reg_info_table): Make it static.
227
228         * fold-const.c (fold_unary): Use build1 instead of copy_node.
229
230 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
231
232         * cse.c (find_best_addr): Use canon_for_address.
233
234 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
235
236         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
237         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
238         SUBREG and MEM, respectively.
239
240         * fold-const.c (fold_binary): Use code instead of t.
241
242         * fold-const.c (optimize_minmax_comparison): Take decomposed
243         arguments code, type, op0, and op1 instead of t.
244         (fold_binary): Update a call to optimize_minmax_comparison.
245
246         * fold-const.c (fold_range_test): Take decomposed arguments
247         code, type, op0, and op1 instead of t.
248         (fold_binary): Update a call to fold_range_test.
249
250         * fold-const.c (fold_binary_op_with_conditional_arg): Take
251         decomposed arguments code, type, op0, and op1 instead of t.
252         (fold_binary): Update a call to fold_range_test.
253
254 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
255
256         * fold-const.c (fold_binary): Avoid directly using the original
257         expression t as much as possible.
258
259 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
260
261         * c-semantics.c (build_stmt): Use TYPE_P instead of
262         IS_NON_TYPE_CODE_CLASS.
263         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
264         (NON_TYPE_CHECK): Use TYPE_P instead of
265         IS_NON_TYPE_CODE_CLASS.
266
267         * fold-const.c (fold): Remove handling of binary expressions.
268
269 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
270
271         * doc/c-tree.texi: Wrap comments in @r{}.
272         * doc/cpp.texi: Likewise.
273         * doc/cppinternals.texi: Likewise.
274         * doc/extend.texi: Likewise.
275         * doc/md.texi: Likewise.
276         * doc/objc.texi: Likewise.
277         * doc/sourcebuild.texi: Likewise.
278         * doc/tm.texi: Likewise.
279         * doc/tree-ssa.texi
280
281 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
282
283         * predict.c (apply_return_prediction): Standardize PHI chain
284         walking.
285         * tree-ssa.c (ssa_redirect_edge): Likewise.
286
287         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
288         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
289         Update copyright.
290
291         * tree-phinodes.c (remove_phi_node): Drop the last argument.
292         * tree-flow.h: Adjust the prototype for remove_phi_node.
293         * lambda-code.c (perfect_nestify): Adjust a call to
294         remove_phi_node.
295         * tree-cfg.c
296         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
297         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
298         Likewise.
299         * tree-ssa-dce.c (remove_dead_phis): Likewise.
300         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
301         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
302         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
303
304         * combine.c (simplify_and_const_int): Use gen_int_mode instead
305         of GEN_INT (trunc_int_for_mode (...)).
306         * loop-iv.c (iv_number_of_iterations): Likewise.
307         * postreload.c (reload_cse_move2add): Likewise.
308         * simplify-rtx.c (simplify_const_unary_operation,
309         simplify_const_binary_operation): Likewise.
310         * stor-layout.c (get_mode_bounds): Likewise.
311
312         * fold-const.c (fold_binary): New.
313         (fold): Call fold_binary on binary expressions.
314
315 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
316
317         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
318         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
319         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
320         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
321         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
322
323 2005-03-04  Devang Patel  <dpatel@apple.com>
324         
325         PR tree-optimization/18815
326         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
327         loops with zero exit edges.
328
329 2005-03-04  Devang Patel  <dpatel@apple.com>
330
331         * doc/invoke.texi: Remove reference to webpage that does not exist.
332         
333 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
334             Joseph S. Myers  <joseph@codesourcery.com>
335
336         PR c++/19797
337         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
338         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
339         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
340         * pa.c (get_plabel): Change argument to symbol_ref.  Call
341         maybe_get_identifier instead of get_identifier.
342         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
343         (struct deferred_plabel): Replace name field with symbol field.
344         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
345         ASM_OUTPUT_EXTERNAL_REAL is defined.
346         (output_global_address): Use output_addr_const for output of all
347         symbol_refs.
348         (output_deferred_plabels): Use symbol_ref instead of name for address
349         output.
350         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
351         ASM_OUTPUT_SYMBOL_REF): New macros.
352         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
353         comment.
354         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
355         label.
356
357 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
358
359         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
360         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
361
362 2005-03-04  Jeff Law  <law@redhat.com>
363
364         * basic-block.h (rediscover_loops_after_threading): Declare.
365         * tree-ssa-dom.c: Include cfgloop.h.
366         (tree_ssa_dominator_optimize): Discover loops and some basic
367         properties.  Remove forwarder blocks recreated by loop header
368         canonicalization.  Also mark backedges in the CFG.
369         * tree-ssa-threadupdate.c: Include cfgloop.h
370         (rediscover_loops_after_threading): Define.
371         (struct local_info): New field, JUMP_THREADED.
372         (prune_undesirable_thread_requests): New function.
373         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
374         then record that fact for the callers of redirct_edges.
375         (thread_block): If BB has incoming backedges, then call
376         prune_undesirable_thraed_requests.    Note when we are
377         going to have to rediscover loop information.  Return a
378         boolean indicating if any jumps were threaded.
379         (thread_through_all_blocks): Bubble up boolean indicating
380         if any jumps were threaded.
381         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
382         (tree-ssa-threadupdate.o): Similarly.
383
384 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
385
386         * fold-const.c (fold_ternary): Unroll the "for" loop to
387         extract operands.  
388
389 2005-03-04  Andrew Haley  <aph@redhat.com>
390
391         * unwind-dw2-fde-glibc.c (struct
392         unw_eh_callback_data.check_cache): New field.
393         (frame_hdr_cache): New.
394         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
395         Cache frame header info.
396
397 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
398
399         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
400         (print_c_condition): Declare.
401         * read-rtl.c (ptr_loc): New structure.
402         (ptr_locs, ptr_loc_obstack, joined_conditions)
403         (joined_conditions_obstack): New variables.
404         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
405         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
406         (join_c_conditions, print_c_condition): New functions.
407         (apply_macro_to_string): Associate the new string with the same
408         source location as the old one.
409         (add_condition_to_string): Use join_c_conditions.
410         (read_string): Use set_rtx_ptr_loc to record a filename and line
411         number for the string.
412         (read_rtx): Initialize the new variables above.
413         * genattrtab.c (write_test_expr, write_attr_value): Use
414         print_c_condition.
415         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
416         comment above the GCC_VERSION check.
417         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
418         Inline the definition of MAYBE_EVAL.
419         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
420         * genoutput.c (process_template): Likewise.
421         * genpreds.c (write_predicate_subfunction): Likewise.
422         (write_predicate_expr): Use print_c_condition.
423         * genrecog.c (write_cond): Likewise.
424         * gensupport.c (process_rtx): Use join_c_conditions to join the
425         conditions of a define_insn_and_split.  Record a source location
426         for the string after the "&&".
427         (alter_test_for_insn): Use join_c_conditions.
428
429 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
430
431         Revert for now:
432         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
433         PR tree-optimization/15784
434         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
435         and -1 - A to ~A.
436
437 2005-03-04  Ben Elliston  <bje@au.ibm.com>
438
439         * gcc.c (option_map): Add --coverage.
440         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
441         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
442         * config/darwin.h: Pass -lgcov for `coverage'.
443         * doc/invoke.texi (Debugging Options): Document --coverage.
444
445 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
446
447         * gcse.c (bypass_block): Use find_edge wherever possible.
448
449 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
450
451         Fix PR debug/20253
452         
453         * c-opts.c (c_common_parse_file): Call start_source_file
454         and end_source_file at the approriate times.
455
456         * dwarf2out.c (dwarf2out_finish): Don't auto-end
457         the main file, it will be done for us now.
458         
459 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
460
461         * fold-const.c (fold_ternary): New.
462         (fold): Call fold_ternary on ternary expressions.  Remove
463         handling of ternary expressions.
464
465 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
466
467         PR tree-optimization/15784
468         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
469         and -1 - A to ~A.
470
471 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
472
473         * config/rs6000/predicates.md (branch_comparison_operator):
474         Convert from C block to conditional format.
475
476 2005-03-03  Jan Hubicka  <jh@suse.cz>
477
478         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
479         and non-constant public variables.
480
481 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
482
483         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
484         with LABEL_EXPR.
485
486         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
487         EDGE_I.
488
489         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
490         calls to release_ssa_name and release_phi_node.
491
492         * fold-const.c (fold): Remove handling of unary expressions.
493
494         * fold-const.c (fold_unary): Avoid directly using the original
495         expression t as much as possible.
496
497 2005-03-03  Roger Sayle  <roger@eyesopen.com>
498             Andrew Pinski  <pinskia@physics.uc.edu>
499
500         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
501         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
502
503 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
504
505         Describe special registers SRP and MOF as allocatable registers.
506         * config/cris/cris.c (cris_md_asm_clobbers): New function.
507         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
508         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
509         TARGET_HAS_MUL_INSNS.
510         (cris_print_operand) <case 'd'>: New case.
511         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
512         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
513         define.
514         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
515         (REG_ALLOC_ORDER): Update for MOF.
516         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
517         SPECIAL_REGS.
518         (GENERAL_REGS): No longer a define of ALL_REGS.
519         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
520         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
521         Adjust accordingly.
522         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
523         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
524         (SECONDARY_RELOAD_CLASS): Define.
525         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
526         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
527         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
528         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
529         (REGISTER_MOVE_COST): Define.
530         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
531         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
532         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
533         (CRIS_MOF_REGNUM): New define_constants.
534         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
535         special registers.
536         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
537         New patterns.
538         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
539         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
540         Adjust for MOF being properly described as a register.
541         (indir_to_reg_split): Name this split.  Conditionalize on the
542         destination register being a general register.
543         (movei): Conditionalize on on operands 0 and 1 having the same
544         register class.
545
546 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
547
548         PR target/20277
549         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
550         -mcpu to override any other explicitly given flags.
551
552 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
553
554         * recog.c (verify_changes, confirm_change_group): New functions,
555         broken out of apply_change_group.
556         (apply_change_group): Use them.
557         * recog.h (verify_change, confirm_change_group): Declare.
558         * rtl.h (redirect_jump_2): Declare.
559         * jump.c (redirect_exp, invert_exp): Delete.
560         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
561         (redirect_jump_2): New function, broken out of redirect_jump.
562         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
563         (invert_jump): Use invert_jump_1 and redirect_jump_2.
564         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
565
566 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
567
568         * varasm.c (named_section): Use xstrdup rather than doing it by
569         hand.
570
571         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
572
573 2005-03-02  Devang Patel  <dpatel@apple.com>
574         
575         Undo PR tree-optimization/18815 fix.
576         
577 2005-03-02  Devang Patel  <dpatel@apple.com>
578
579         PR tree-optimization/18815
580         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
581         loops with zero exit edges.
582         
583 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
584
585         * cfg.c (connect_src, connect_dest, disconnect_src,
586         disconnct_dest): New.
587         (unchecked_make_edge, remove_edge, redirect_edge_succ,
588         redirect_edge_pred): Use the new functions.
589
590         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
591         free_dominance_info only when needed.
592
593 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
594
595         PR target/20276
596         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
597         (reg_or_sub_cint64_operand): Same.
598
599 2005-03-02  Jeff Law  <law@redhat.com>
600
601         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
602         CFG_ALTERED in the main DOM iteration loop.
603
604 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
605
606         PR c++/19916
607         * varasm.c (initializer_constant_valid_p): Allow conversions
608         between OFFSET_TYPEs.  Tidy.
609
610 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
611
612         * config/cris/cris.md ("return"): Remove epilogue delay list
613         sanity check.
614
615 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
616
617         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
618         for Thumb.
619         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
620
621 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
622
623         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
624         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
625         config/m68k/m68k.c, config/mips/mips.h,
626         config/rs6000/rs6000-protos.h, doc/contrib.texi,
627         doc/include/gcc-common.texi: Update copyright.
628
629         PR middle-end/18029 and PR middle-end/18030
630         * expr.c (optimize_bitfield_assignment_op): Add a special case
631         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
632
633         * fold-const.c (fold_unary): New.
634         (fold): Call fold_unary on unary expressions.
635
636 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
637
638         * cgraph.h (struct cgraph_edge): Add prev_caller and
639         prev_callee fields.
640         (cgraph_node_remove_callees): Export.
641         * cgraph.c (cgraph_create_edge): Initialize prev_caller
642         and prev_callee.
643         (cgraph_edge_remove_callee): New function.
644         (cgraph_edge_remove_caller): Likewise.
645         (cgraph_remove_edge): Use.
646         (cgraph_redirect_edge_callee): Likewise.
647         (cgraph_node_remove_callees): New function.
648         (cgraph_node_remove_callers): Likewise.
649         (cgraph_remove_node): Use.
650         * tree-optimize.c (tree_rest_of_compilation): Use
651         cgraph_node_remove_callees instead of manual loop.
652         * cgraphunit.c (cgraph_finalize_function): Likewise.
653         (cgraph_expand_function): Likewise.
654         (cgraph_remove_unreachable_nodes): Likewise.
655
656 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
657
658         PR c/8927
659         * c-tree.h (undeclared_variable, build_external_ref): Add extra
660         argument.
661         * c-decl.c (undeclared_variable): Take location as argument.
662         * c-typeck.c (build_external_ref): Likewise.
663         * c-parser.c (c_parser_postfix_expression): Pass location of
664         identifier to build_external_ref.
665
666 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
667
668         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
669         CCEQ mode for branch_positive_comparison_operator test.
670         * config/rs6000/predicates (branch_comparison_operator): Revert to
671         define_predicate.
672         (scc_comparison_operator): Same.
673         (branch_positive_comparison_operator): Same.
674
675 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
676
677         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
678         (cris_delay_slots_for_epilogue): Remove.
679         (save_last): Move into cris_target_asm_function_epilogue.
680         (cris_target_asm_function_epilogue): Remove tests for file being
681         NULL.
682         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
683         (cris_delay_slots_for_epilogue): Remove prototypes.
684         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
685         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
686
687 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
688
689         * config/rs6000/predicates.md (branch_comparison_operator): Change
690         to define_special_predicate.
691         (scc_comparison_operator): Same.
692         (branch_positive_comparison_operator): Same.
693
694 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
695
696         * Makefile.in (tree-ssa-sink.o): New.
697         (OBJS-common): Add tree-ssa-sink.o.
698         * common.opt: Add -ftree-sink
699         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
700         * timevar.def (TV_TREE_SINK): new timevar.
701         * tree-flow.h (is_hidden_global_store): Prototype.
702         * tree-optimize.c (init_tree_optimization_passes): Add
703         pass_sink_code.
704         * tree-pass.h (pass_sink_code): New.
705         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
706         for non-obvious global store store to is_hidden_global_store, and
707         call that new function.
708         * tree-ssa-sink.c: New file.
709         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
710         * doc/passes.texi: Document forward store motion.
711         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
712         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
713         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
714         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
715
716 2005-03-01  Per Bothner  <per@bothner.com>
717
718         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
719         and we have a non-zero column-number, add it to the message.
720         Also factor out the diagnostic_kind_text.
721
722 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
723
724         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
725         flow_loop_pre_header_scan, flow_loop_pre_header_find,
726         flow_loop_scan): Removed.
727         (flow_loop_dump): Do not dump removed fields.
728         (flow_loop_free): Do not free removed fields.
729         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
730         (loop_exit_edge_p): New function.
731         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
732         num_pre_header_edges, entry_edges, num_entries, exit_edges,
733         num_exits, exits_doms.
734         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
735         LOOP_EDGES, LOOP_ALL): Removed.
736         (flow_loop_scan): Declaration removed.
737         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
738         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
739         flow_loops_find.
740         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
741         (if_convert): Call flow_loops_find and flow_loops_free
742         when calling mark_loop_exit_edges.
743         * cfgloopanal.c (mark_loop_exit_edges): Moved from
744         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
745         free_dominance_info calls.
746         * loop-init.c (flow_loops_find): Ditto.
747         * passes.c (rest_of_handle_branch_prob): Ditto.
748         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
749         * loop-unroll.c (analyze_insns_in_loop): Do not use
750         EDGE_LOOP_EXIT.
751         * predict.c (predict_loops): Do not call flow_loop_scan.
752         Use get_loop_exit_edges.
753         (tree_estimate_probability): Do not pass flags to flow_loops_find.
754         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
755         Do not use EDGE_LOOP_EXIT.
756         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
757         to bb_with_exit_edge_p.
758         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
759         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
760         to bb_with_exit_edge_p.
761         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
762         EDGE_LOOP_EXIT.
763         * tree-loop-linear.c (linear_transform_loops): Do not call
764         flow_loop_scan.  Use loop->single_exit.
765         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
766         (vect_analyze_loop_form): Do not call flow_loop_scan.
767         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
768         loop->single_exit.
769         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
770         loop->single_exit.
771         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
772         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
773         slpeel_tree_duplicate_loop_to_edge_cfg,
774         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
775         Use loop_preheader_edge and loop->single_exit.  Do not call
776         flow_loop_scan.
777
778 2005-03-01  Nick Clifton  <nickc@redhat.com>
779
780         * config/arm/arm.c (thumb_find_work_register): Check all of the
781         argument registers to see if they are free, and a couple of
782         special cases where the last argument register but can be proved
783         to be available during the function's prologue.
784         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
785         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
786         thumb_unexpanded_epilogue): Use unsigned long as the type for the
787         register bit-mask.
788         (thumb_compute_save_reg_mask): Likewise.  Also use
789         thumb_find_work_register() to ensure that there is agreement about
790         which work register is going to be used in the prologue.
791         (thumb_output_function_prologue): Use unsigned long as the type
792         for the register bit-mask.  Also delay pushing the link register if
793         other high registers are going to be pushed.
794         (thumb_compute_save_reg_mask, emit_multi_reg_push,
795         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
796         redundant prototypes.
797
798 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
799
800         PR target/19819
801         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
802         and after reload in REG+REG indexed addresses without REG_POINTER
803         set in the base and not set in the index.
804
805 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
806
807         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
808         Don't undefine here.
809         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
810         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
811         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
812         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
813         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
814         Delete.
815         * config.gcc (sh*-*-linux*): Use config/linux.h.
816
817 2005-02-28  Dale Johannesen  <dalej@apple.com>
818             Stan Shebs  <shebs@apple.com>
819
820         Rewrite of 64-bit Darwin structure-by-value pass/return.
821         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
822         intoffset, use_stack, named.
823         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
824         (rs6000_darwin64_record_arg_advance_flush):  New.
825         (rs6000_darwin64_record_arg_advance_recurse): New.
826         (rs6000_darwin64_record_arg_flush):  New.
827         (rs6000_darwin64_record_arg_recurse):  New.
828         (rs6000_darwin64_record_arg):  New.
829         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
830         (function_arg_boundary):  Handle 128-bit aligned structs.
831         (function_arg_advance):  Rewrite darwin64 struct handling.
832         (function_arg):  Call rs6000_darwin64_record_arg.
833         (function_arg_partial_nregs):  Handle darwin64 structs.
834         (rs6000_darwin64_function_value):  Remove.
835         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
836
837 2005-02-28  Roger Sayle  <roger@eyesopen.com>
838
839         PR tree-optimization/20216
840         * tree-chrec.c (tree_fold_factorial): Delete.
841         (tree_fold_binomial): Change argument list to take a return type
842         and change the type of K to unsigned int.  Rewrite to avoid explicit
843         evaluation of factorials, and (recursively) calling fold to perform
844         compile-time arithmetic.  Return NULL on (internal) overflow.
845         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
846         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
847         if any intermediate calculation overflows.
848         (chrec_apply): Update call to chrec_evaluate.
849
850 2005-02-28  James E Wilson  <wilson@specifixinc.com>
851
852         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
853
854 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
855
856         PR c/20245
857         * c-parser.c (c_parser_compound_statement): Return error_mark_node
858         instead of NULL_TREE on error.
859
860 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
861
862         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
863         (EASY_VECTOR_15_ADD_SELF): Remove.
864         (num_insns_constant_wide): Not static.
865         (validate_condition_mode): Not static.
866         (toc_relative_expr_p): Not static.
867         (legitimate_indirect_address_p): Not static.
868         (macho_lo_sum_memory_operand): Not static.
869         (invalid_e500_subreg): Not static.
870         (easy_vector_same): Not static.
871         (easy_vector_splat_const): Not static.
872         (RS6000_SYMBOL_REF_TLS_P): Remove.
873         (any_operand): Delete.
874         (any_parallel_operand): Delete.
875         (count_register_operand): Delete.
876         (altivec_register_operand): Delete.
877         (xer_operand): Delete.
878         (s8bit_cint_operand): Delete.
879         (short_cint_operand): Delete.
880         (u_short_cint_operand): Delete.
881         (non_short_cint_operand): Delete.
882         (exact_log2_cint_operand): Delete.
883         (gpc_reg_operand): Delete.
884         (cc_reg_operand): Delete.
885         (cc_reg_not_cr0_operand): Delete.
886         (reg_or_short_operand): Delete.
887         (reg_or_neg_short_operand): Delete.
888         (reg_or_aligned_short_operand): Delete.
889         (reg_or_u_short_operand): Delete.
890         (reg_or_cint_operand): Delete.
891         (reg_or_arith_cint_operand): Delete.
892         (reg_or_add_cint64_operand): Delete.
893         (reg_or_sub_cint64_operand): Delete.
894         (reg_or_logical_cint_operand): Delete.
895         (got_operand): Delete.
896         (got_no_const_operand): Delete.
897         (easy_fp_constant): Delete.
898         (easy_vector_constant): Delete.
899         (easy_vector_constant_add_self): Delete.
900         (zero_constant): Delete.
901         (zero_fp_constant): Delete.
902         (volatile_mem_operand): Delete.
903         (offsettable_mem_operand): Delete.
904         (mem_or_easy_const_operand): Delete.
905         (add_operand): Delete.
906         (non_add_cint_operand): Delete.
907         (logical_operand): Delete.
908         (non_logical_cint_operand): Delete.
909         (mask_operand): Delete.
910         (mask_operand_wrap): Delete.
911         (mask64_operand): Delete.
912         (mask64_2_operand): Delete.
913         (and64_operand): Delete.
914         (and64_2_operand): Delete.
915         (and_operand): Delete.
916         (reg_or_mem_operand): Delete.
917         (lwa_operand): Delete.
918         (symbol_ref_operand): Delete.
919         (call_operand): Delete.
920         (current_file_function_operand): Delete.
921         (input_operand): Delete.
922         (rs6000_nonimmediate_operand): Delete.
923         (rs6000_tls_symbol_ref): Delete.
924         (save_world_operation): Delete.
925         (restore_world_operation): Delete.
926         (load_multiple_operation): Delete.
927         (store_multiple_operation): Delete.
928         (vrsave_operation): Delete.
929         (mfcr_operation): Delete.
930         (mtcrf_operation): Delete.
931         (lmw_operation): Delete.
932         (stmw_operation): Delete.
933         (branch_comparison_operator): Delete.
934         (branch_positive_comparison_operator): Delete.
935         (scc_comparison_operator): Delete.
936         (trap_comparison_operator): Delete.
937         (boolean_operator): Delete.
938         (boolean_or_operator): Delete.
939         (min_max_operator): Delete.
940         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
941         (EASY_VECTOR_15): Moved to here.
942         (EASY_VECTOR_15_ADD_SELF): Move to here.
943         (PREDICATE_CODES): Delete.
944         * config/rs6000/rs6000-protos.h: Delete predicate functions.
945         Declare functions no longer static.
946         * config/rs6000/predicates.md: New.
947         * config/rs6000/rs6000.md: Include predicates.md
948
949 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
950
951         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
952         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
953         REG_ALWAYS_RETURN.
954         * cfgrtl.c (need_fake_edge_p): Likewise.
955         * combine.c (distribute_notes): Likewise.
956         * emit-rtl.c (try_split): Likewise.
957         * recog.c (peephole2_opimize): Likewise.
958         * reg-notes.def (ALWAYS_RETURN): Remove.
959         * rtl.h (LCT_ALWAYS_RETURN): Remove.
960         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
961         * tree.h (ECF_ALWAYS_RETURN): Remove.
962
963 2005-02-28  Roger Sayle  <roger@eyesopen.com>
964
965         PR middle-end/19874
966         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
967         between different machine modes is never a "useless" conversion.
968
969 2005-02-28  Geert Bosch  <bosch@gnat.com>
970
971         PR ada/15977
972         * doc/contrib.texi: List contributors for Ada front end
973
974 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
975
976         * simplify-rtx.c (simplify_unary_operation_1,
977         simplify_const_unary_operation): New, extracted from...
978         (simplify_unary_operation): ... this one.
979         (simplify_binary_operation_1,
980         simplify_const_binary_operation): New, extracted from...
981         (simplify_binary_operation): ... this one.
982         * rtl.h (simplify_const_unary_operation,
983         simplify_const_binary_operation): Add prototypes.
984
985 2005-02-28  Julian Brown  <julian@codesourcery.com>
986
987         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
988         building libjava and caused PR regression/20228.
989
990 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
991
992         PR bootstrap/17383
993         * Makefile.in (host_subdir): New.
994         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
995         * configure: Regenerate.
996
997 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
998
999         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1000         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1001         installation directory first.
1002
1003 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1004
1005         PR target/19065.
1006         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1007         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1008         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1009         * config/cris/cris.md: Tweak comments referring to Q.
1010         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1011         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1012         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1013         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1014         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1015         Insert spaces in constraints to align alternatives vertically for
1016         readability.
1017         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1018         operand 1: "M".
1019
1020 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1021
1022         PR rtl-optimization/17728
1023         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1024         operand 0 from general_operand to move_dest_operand.
1025
1026 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1027
1028         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1029         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1030         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1031         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1032
1033 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1034
1035         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1036         * configure: Regenerate.
1037         * libada-mk.in: Remove CC; rename
1038         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1039
1040 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1041
1042         PR tree-opt/20188
1043         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1044         for the lhs, also walk over the tree.  Likewise for rhs.
1045
1046 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1047
1048         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1049         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1050         Do not propagate value of iv before increment over the increment.
1051
1052 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1053
1054         * c-parser.c: New file.
1055         * c-parse.in: Remove.
1056         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1057         Remove.
1058         (c-parser.o): Add dependencies.
1059         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1060         maintainer-clean, TAGS): Update.
1061         * c-config-lang.in (gtfiles): Update.
1062         * gengtype-lex.l: Don't handle "@@".
1063         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1064         objc_build_synchronized, objc_begin_try_stmt,
1065         objc_begin_catch_clause, objc_finish_catch_clause,
1066         objc_build_finally_clause, objc_finish_try_stmt): New.
1067         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1068         type_seen_p.
1069         (c_parse_init): Update comment.
1070         * c-decl.c (c_init_decl_processing): Update comment.
1071         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1072         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1073         new c_declspecs members.
1074
1075 2005-02-25  Julian Brown  <julian@codesourcery.com>
1076
1077         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1078         from being used for symbols with vague linkage when
1079         HAVE_GAS_COMDAT_GROUP is true.
1080
1081 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1082
1083         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1084
1085 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1086
1087         PR target/19930
1088         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1089         (LIBGCC2_HAS_DF_MODE): New.
1090         (LIBGCC2_HAS_XF_MODE): New.
1091         (LIBGCC2_HAS_TF_MODE): New.
1092         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1093         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1094         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1095         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1096         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1097         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1098         and add _fixtfdi, _fixunstfdi, _floatditf
1099         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1100         L_fixunstfdi, L_floatditf.
1101         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1102         (LIBGCC2_HAS_TF_MODE): Define.
1103
1104 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1105
1106         PR tree-optimization/20204
1107         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1108         REWRITE_THIS_STMT markers on PHI nodes.
1109         (rewrite_initialize_block): Likewise.
1110
1111 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1112
1113         * version.c (version_string): Update to 4.1.
1114
1115 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1116
1117         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1118         Clarify that the alternative way doesn't work in GNU C++.
1119
1120 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1121
1122         PR tree-optimization/19937
1123         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1124         to the type of the induction variable.
1125
1126 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1127
1128         PR rtl-optimization/20117
1129         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1130         the block including noncopyable insn.
1131
1132 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1133
1134         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1135         calls to find_reg_note.
1136
1137 2005-02-24  Richard Henderson  <rth@redhat.com>
1138
1139         PR tree-opt/20127
1140         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1141         the type.
1142
1143 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1144
1145         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1146         vector types if to use base reg for misaligned non-word ld/std.
1147
1148 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1149
1150         PR target/14619
1151         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1152         dwarf2 label manually and put it after, not before the prologue.
1153
1154 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1155
1156         PR target/19019
1157         * reload.c (operands_match_p): Only increment register number for
1158         SCALAR_INT_MODE_P modes in multiple hard registers.
1159
1160         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1161         Fix formatting.
1162
1163 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1164
1165         * ChangeLog.5: Fix log message typo(s).
1166         * ChangeLog.7: Likewise.
1167         * ChangeLog.tree-ssa: Likewise.
1168         * cfgexpand.c: Fix comment typo(s).
1169         * conflict.c: Likewise.
1170         * defaults.h: Likewise.
1171         * dwarf2out.c: Likewise.
1172         * gcse.c: Likewise.
1173         * ggc-page.c: Likewise.
1174         * tree-eh.c: Likewise.
1175         * tree-ssa-dom.c: Likewise.
1176
1177 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
1178
1179         PR target/19019
1180         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1181         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1182         if SHARED is defined.
1183
1184         PR target/20196
1185         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1186         allow splitting only if operands 0 and 3 don't overlap.
1187
1188 2005-02-24  Richard Henderson  <rth@redhat.com>
1189
1190         PR middle-end/19953
1191         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1192         (fold_builtin_1): Call them.
1193         * fold-const.c (fold_complex_mult_parts): Split out from ...
1194         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
1195         (fold_complex_div_parts, fold_complex_div): New.
1196         (fold): Use them.
1197         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1198
1199 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1200
1201         * tree-ssa-ccp.c (visit_assignment): Verify that result of
1202         VIEW_CONVERT_EXPR is_gimple_min_invariant.
1203
1204         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1205         (print_node): Likewise.
1206         Print TYPE_SIZES_GIMPLIFIED.
1207
1208 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1209
1210         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1211         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1212         operands as commutative in constraints.
1213
1214 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1215
1216         * tree-into-ssa.c: Re-organize internal functions.
1217
1218 2005-02-24  Richard Henderson  <rth@redhat.com>
1219
1220         PR middle-end/18902
1221         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1222         for c99.
1223         * common.opt (fcx-limited-range): New.
1224         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1225         * toplev.c (flag_complex_method): Initialize to 1.
1226         (process_options): Set flag_complex_method to 0 if
1227         flag_cx_limited_range.
1228         * doc/invoke.texi (-fcx-limited-range): New.
1229
1230 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1231
1232         * cse.c (delete_trivially_dead_insns): Speed up by using
1233         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1234         prev_real_insn.
1235
1236 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1237
1238         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1239         functions when -mid-shared-library is being used.
1240
1241 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1242
1243         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1244         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1245         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1246         * system.h: Poison LINK_LIBGCC_SPECIAL.
1247
1248 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1249
1250         * gengtype.c (note_insn_name): Make 1 element larger.
1251
1252 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1253
1254         PR target/20018
1255         PR rtl-optimization/20097
1256         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1257         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1258
1259 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1260
1261         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1262         * t-aix52 (SHLIB_INSTALL): Same.
1263
1264 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1265
1266         * genpreds.c: Update copyright.
1267
1268 2005-02-23  Michael Beach  <michaelb@ieee.org>
1269
1270         PR target/20159
1271         * config/sparc/t-elf (startup files): Assemble with CPP.
1272
1273 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1274
1275         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1276         (write_predicate_expr): Likewise.
1277
1278 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1279
1280         PR tree-optimization/20100
1281         PR tree-optimization/20115
1282         * tree-optimize.c (init_tree_optimization_passes): Remove
1283         pass_maybe_create_global_var.
1284         * tree-pass.h (pass_maybe_create_global_var): Remove.
1285         * tree-ssa-alias.c (aliases_computed_p): Declare.
1286         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1287         (count_calls_and_maybe_create_global_var): Remove.
1288         (pass_maybe_create_global_var): Remove.
1289         (init_alias_info): Do not declare aliases_computed_p.
1290         (maybe_create_global_var): If the function contains no
1291         call-clobbered variables and a mix of pure/const and regular
1292         function calls, create .GLOBAL_VAR.
1293         Mark all call-clobbered variables for renaming.
1294         (merge_pointed_to_info): Update comment.
1295         (add_pointed_to_var): Likewise.
1296         (is_escape_site): Likewise.
1297         Accept struct alias_info * instead of size_t *.
1298         Update all users.
1299         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1300         as necessary.
1301         * tree-ssa-operands.c (get_call_expr_operands): If
1302         ALIASES_COMPUTED_P is false, do not add call-clobbering
1303         operands.
1304         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1305         (delete_tree_ssa): Likewise.
1306
1307 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1308
1309         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1310         (do_compile): Do call it here.
1311
1312 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1313
1314         PR rtl-optimization/20017.
1315         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1316         rest_of_handle_cse2, rest_of_handle_gcse): Call
1317         delete_dead_jumptables immediately before calling cleanup_cfg.
1318
1319 2005-02-22  Devang Patel  <dpatel@apple.com>
1320
1321         PR 19952
1322         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1323         all labels
1324
1325 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1326
1327         * config/rs6000/aix.h (WINT_TYPE): Define.
1328
1329 2005-02-22  Stan Shebs  <shebs@apple.com>
1330
1331         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1332         natural alignment for 64-bit Darwin.
1333         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1334         on 64-bit Darwin.
1335         * doc/invoke.texi: Document this.
1336
1337 2005-02-22  DJ Delorie  <dj@redhat.com>
1338
1339         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1340         to make_[un]signed_type, not the mode itself.
1341
1342 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1343
1344         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1345         not available.  Use tail calls wherever possible.
1346         (make_edge): Call unchecked_make_edge to create an edge.
1347
1348         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1349         (coalesce_ssa_name): Don't check for
1350         SSANORM_USE_COALESCE_LIST.
1351         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1352
1353 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1354
1355         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1356         (rewrite_into_ssa): ... here.
1357
1358 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1359
1360         PR tree-optimization/19786
1361         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1362         tag to another's may-alias bitmap when adding to the other's list.
1363
1364 2005-02-21  DJ Delorie  <dj@redhat.com>
1365
1366         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1367         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1368         registers in unsupported ways.
1369         * expmed.c (init_expmed): Likewise.
1370
1371 2005-02-21  Stan Cox  <scox@redhat.com>
1372
1373         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1374
1375 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1376
1377         * tree-cfg.c (fold_cond_expr_cond): New.
1378         (make_edges): Call fold_cond_expr_cond.
1379         (find_taken_edge): Accept nothing but INTEGER_CST.
1380         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1381         and 1.
1382         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1383
1384         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1385         that do not belong to any basic block.
1386
1387 2005-02-21  Jeff Law  <law@redhat.com>
1388
1389         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1390         e->dest.
1391
1392 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1393
1394         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1395         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1396         Adjust their definitions.
1397         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1398         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1399
1400         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1401         genautomata.c, langhooks.c, langhooks.h, system.h,
1402         config/arm/lib1funcs.asm: Update copyright.
1403
1404 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1405
1406         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1407
1408 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1409
1410         PR bootstrap/13770
1411         * doc/install.texi: Document --with-gc.
1412
1413 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1414
1415         * simplify-rtx.c (simplify_unary_operation): Add a missing
1416         "break" statement.
1417
1418 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1419
1420         PR tree-optimization/18663
1421         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1422         if the type has variable bounds.
1423
1424 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1425
1426         * gcse.c: Remove an obsolete comment.
1427
1428         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1429
1430 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1431
1432         * doc/extend.texi (Function Attributes) <Attribute const>: The
1433         attribute "pure" is below this text, not above.
1434
1435 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1436
1437         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1438         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1439         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1440
1441 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1442
1443         PR 18785
1444         * langhooks.h (struct lang_hooks): Add to_target_charset.
1445         * langhooks.c (lhd_to_target_charset): New function.
1446         * langhooks-def.h: Declare lhd_to_target_charset.
1447         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1448         (LANG_HOOKS_INITIALIZER): Update.
1449         * c-common.c (c_common_to_target_charset): New function.
1450         * c-common.h: Declare it.
1451         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1452         c_common_to_target_charset.
1453
1454         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1455         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1456         Delete definitions.
1457         * system.h: Poison them.
1458         * doc/tm.texi: Don't discuss them.
1459         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1460         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1461         (pp_c_char): Do not attempt to generate letter escapes for
1462         newline, tab, etc.
1463         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1464         * config/mips/mips.c (mips_output_ascii): Likewise.
1465
1466 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1467
1468         PR tree-optimization/19951
1469         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1470         is abnormal.
1471
1472 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1473
1474         PR middle-end/19698
1475         * function.h (struct function): New field `max_loop_depth'.
1476         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1477         (flow_loops_find): Reset the max loop depth count before finding loops.
1478         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1479         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1480         (calculate_global_regs_live): Make sure the loop will terminate
1481         when the initial sets are not empty.
1482
1483 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1484
1485         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1486         object inside.
1487         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1488
1489 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1490
1491         PR other/19525
1492         * doc/invoke.texi: Remove documentation of %M spec.
1493         * gcc.c: Likewise.
1494         (init_spec): Remove %M suffix from -lgcc_s.
1495         (do_spec_1): Remove 'M' case.
1496         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1497         to put shared libraries in the multilib directory.  Remove the
1498         shlib_so_soname substitution variable.  Don't add a multilib encoding
1499         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1500         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1501         SHLIB_INSTALL as well as SHLIB_LINK.
1502         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1503         (SHLIB_NAME): Delete.
1504         (SHLIB_DIR): New macro.
1505         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1506         (SHLIB_INSTALL): Adjust accordingly.
1507         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1508         * config/t-slibgcc-sld: Likewise.
1509         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1510         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1511         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1512         in $(SHLIB_DIR).
1513         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1514         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1515         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1516         Use @shlib_base_name@ instead of @shlib_so_name@.
1517         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1518         and @shlib_base_name@.so in @multilib_dir@.
1519         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1520         to the install path.
1521         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1522         (SHLIB_LINK): Remove previous workaround.
1523         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1524         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1525         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1526         the install path.
1527         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1528         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1529         (SHLIB_INSTALL): Adjust accordingly.
1530         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1531         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1532         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1533         config/t-slibgcc-elf-ver.
1534
1535 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1536             Jakub Jelinek  <jakub@redhat.com>
1537
1538         PR tree-optimization/19828
1539         * tree-ssa-loop-im.c: Add a TODO comment.
1540         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1541         without side-effects.
1542
1543 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1544
1545         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1546         call fold_convert.
1547
1548 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1549
1550         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1551         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1552         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1553         functions.
1554         (ia64_reorg): Delete fixup_errata call.
1555         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1556         (TARGET_SWITCHES): Delete -mb-step entry.
1557
1558 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR c/20043
1561         * c-typeck.c (composite_type): Handle quals in transparent unions.
1562         (type_lists_compatible_p): Likewise.
1563
1564 2005-02-18  Stan Shebs  <shebs@apple.com>
1565
1566         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1567         expressions in the .literal8 section.
1568
1569 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1570
1571         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1572
1573 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1574
1575         * fold-const.c (constant_boolean_node): Always create values of the
1576         specified type, don't bother calling truthvalue_conversion.
1577
1578 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1579
1580         * except.c (output_function_exception_table): Call
1581         assemble_external_libcall (eh_personality_libfunc).
1582
1583 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1584
1585         PR target/19886
1586         * config/ia64/ia64.h (struct machine_function): Add state_num.
1587         * config/ia64/ia64.c (process_epilogue,
1588         process_for_unwind_directive): Use new unwind state numbers each
1589         time rather than state 1.
1590
1591 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1592
1593         PR target/20054
1594         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1595         before the "*llgt_didi" pattern.
1596
1597 2005-02-18  Jason Merrill  <jason@redhat.com>
1598
1599         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1600
1601 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1602
1603         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1604         (div0): Use it in place of ARM_FUNC_ALIAS.
1605         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1606
1607 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1608
1609         PR middle-end/20030
1610         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1611         access, the lower bound of the array type if it exists.
1612
1613 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1614
1615         PR c++/20008
1616         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1617         cases that are out-of-range for the index type.
1618
1619 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1620
1621         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1622         (estimate_case_costs): Don't call convert.
1623         * expmed.c (expand_shift): Likewise.
1624         (make_tree): Call fold_convert instead of convert.
1625
1626 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR c++/19813
1629         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1630         that ref to be marked MEM_READONLY_P doesn't have base that needs
1631         constructing.
1632
1633 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1634
1635         * genautomata.c (output_get_cpu_unit_code_func,
1636         output_cpu_unit_reservation_p): Don't generate old-style function
1637         definitions.
1638
1639 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1640
1641         PR c++/20023
1642         PR tree-optimization/20009
1643         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1644
1645         PR tree-optimization/18947
1646         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1647         inline, remove all nodes that are inlined into the extern inline
1648         being redefined.
1649
1650 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1651
1652         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1653         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1654         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1655         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1656         Update copyright.
1657
1658 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1659
1660         PR tree-optimization/19917
1661         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1662         to be potentially trapping.
1663
1664 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1665
1666         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1667
1668 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1669
1670         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1671         tem becomes a local variable which is set to the value of the
1672         back end defined INITIAL_FRAME_ADDRESS macro.
1673         (expand_builtin_frame_address): Omit the base parameter to
1674         expand_builtin_return_addr.
1675         (expand_builtin_profile_func): Likewise.
1676         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1677         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1678         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1679
1680 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1681
1682         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1683         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1684         * config/frv/frv.c (frv_function_epilogue): Likewise.
1685
1686 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1687
1688         * lambda-code (perfect_nestify): Remove mark/unmark
1689         for rewriting hack.
1690         * tree-loop-linear.c (linear_transform_loops): Add
1691         rewrite_into_ssa call so that ssa is correct for
1692         rewriting into loop closed.
1693
1694 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1695
1696         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1697         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1698         BITMAP_FREE.
1699         * bt-load.c (btr_def_live_range, combine_btr_defs,
1700         migrate_btr_def, migrate_btr_defs): Likewise.
1701         * cfgcleanup.c (thread_jump): Likewise.
1702         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1703         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1704         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1705         df_rd_local_compute, df_reg_info_compute): Likewise.
1706         * dominance.c (init_dom_info, free_dom_info): Likewise.
1707         * flow.c (init_propagate_block_info,
1708         free_propagate_block_info): Likewise.
1709         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1710         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1711         modify_reg_pav): Likewise.
1712         * loop-invariant.c (find_defs, find_invariant_insn,
1713         find_invariants, free_inv_motion_data): Likewise.
1714         * predict.c (tree_predict_by_opcode,
1715         estimate_bb_frequencies): Likewise.
1716         * stmt.c (expand_case): Likewise.
1717         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1718         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1719         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1720         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1721         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1722         rewrite_ssa_into_ssa): Likewise.
1723         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1724         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1725         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1726         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1727         * tree-sra.c (tree_sra): Likewise.
1728         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1729         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1730         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1731         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1732         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1733         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1734         Likewise.
1735         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1736         calculate_live_on_entry, calculate_live_on_exit,
1737         build_tree_conflict_graph): Likewise.
1738         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1739         record_important_candidates, set_use_iv_cost, find_depends,
1740         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1741         tree_ssa_iv_optimize_finalize): Likewise.
1742         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1743         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1744         tree_duplicate_loop_to_header_edge): Likewise.
1745         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1746         * tree-ssa.c (verify_flow_insensitive_alias_info,
1747         verify_name_tags, verify_ssa, init_tree_ssa,
1748         delete_tree_ssa): Likewise.
1749         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1750         fini_ssanames): Likewise.
1751         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1752
1753 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1754
1755         * config/rs6000/t-rtems: Completely reworked.
1756
1757 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1758
1759         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1760
1761 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1762
1763         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1764         POINTER_TYPE_P when checking that type is a pointer.
1765         (vect_get_memtag): Remove.
1766         (vect_address_analysis): Use POINTER_TYPE_P. Call
1767         vect_object_analysis with dummy parameter for memtag.
1768         (vect_object_analysis): Extract memtag (functionality that
1769         used to be in vect_get_memtag and moved here). Fix printings.
1770         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1771         with correct parameters. Remove call to vect_get_memtag.
1772
1773 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1774
1775         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1776         (tree-vectorizer.o): Added missing dependencies.
1777
1778         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1779         decleration.
1780         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1781         declaration in tree-vectorizer.c, now has an extern declaration in
1782         tree-vectorizer.h).
1783         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1784         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1785         get_vectype_for_scalar_type, vect_is_simple_use,
1786         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1787         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1788         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1789         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1790         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1791         find_loop_location): Likewise.
1792
1793         * tree-vectorizer.c (langhooks.h): #include removed.
1794         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1795         moved to tree-vectorized.h.
1796         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1797         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1798         get_vectype_for_scalar_type, vect_is_simple_use,
1799         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1800         vect_supportable_dr_alignment, new_loop_vec_info,
1801         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1802         vect_set_verbosity_level, find_loop_location): Likewise.
1803
1804         (vect_analyze_loop): Function externalized. Declaration moved to
1805         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1806         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1807         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1808         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1809         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1810         vect_enhance_data_refs_alignment, vect_analyze_operations,
1811         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1812         vect_stmt_relevant_p, vect_get_loop_niters,
1813         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1814         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1815         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1816         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1817         vect_get_memtag): Likewise.
1818
1819         (vectorizable_load): Function externalized. Declaration moved to
1820         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1821         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1822         vect_transform_loop): Likewise.
1823         (vect_transform_stmt): Moved to tree-vect-transform.c.
1824         (vect_align_data_ref, vect_create_destination_var,
1825         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1826         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1827         vect_get_vec_def_for_operand, vect_init_vector,
1828         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1829         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1830         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1831         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1832         vect_do_peeling_for_loop_bound): Likewise.
1833
1834         * tree-vect-analyze.c: New file.
1835         * tree-vect-transform.c: New file.
1836
1837 2005-02-17  Jason Merrill  <jason@redhat.com>
1838
1839         PR mudflap/19319, c++/19317
1840         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1841         slot explicit.
1842
1843 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1844
1845         * doc/install.texi (Specific): Update link for Darwin-specific
1846         tool binary site.
1847
1848 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1849
1850         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1851         constant_boolean_node.
1852
1853 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1854
1855         PR target/19019
1856         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1857         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1858
1859 2005-02-16  Richard Henderson  <rth@redhat.com>
1860
1861         PR 19920
1862         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1863         with W_TYPE_SIZE.
1864         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1865         replace uses with Wtype_MAXp1_F.
1866         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1867         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1868         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1869         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1870         and HAVE_TFMODE as appropriate.
1871         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1872         (__floatdisf): Likewise.
1873         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1874         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1875         (Wtype_MAXp1_F): New.
1876         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1877         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1878
1879 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1880
1881         * PR target/19162
1882         * arm.c (arm_apply_result_size): New function.
1883         * arm.h (APPLY_RESULT_SIZE): Define.
1884         * arm-protos.h (arm_apply_result_size): Add prototype.
1885         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1886         (movxf): New expand.
1887         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1888         (call_value_symbol): Remove predicate for operand 0.
1889         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1890         (untyped_call): Rework to correclty return values for any type.
1891         (untyped_return): New expand.
1892         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1893
1894 2005-02-16  Stan Shebs  <shebs@apple.com>
1895
1896         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1897         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1898
1899 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1900
1901         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1902         configure settings on Solaris 7 and later.
1903
1904 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1905
1906         PR tree-optimization/19865
1907         * tree-optimize.c (init_tree_optimization_passes): Run
1908         pass_may_alias after pass_sra.
1909
1910 2005-02-16  Richard Henderson  <rth@redhat.com>
1911             Stuart Hastings  <stuart@apple.com>
1912
1913         PR debug/19521
1914         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1915         Do nothing if debug info suppressed for this function.
1916         (dbxout_begin_function): Early exit if debug info suppressed for
1917         this function.
1918
1919 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1920
1921         PR target/20007
1922         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1923         find_basic_blocks.
1924         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1925
1926         PR tree-optimization/19967
1927         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1928         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1929         argument TYPE.  Adjust calls to fold_builtin_XXX.
1930         (expand_builtin, fold_builtin_1): Adjust calls to
1931         expand_builtin_XXX.
1932         (fold_builtin_strchr, fold_builtin_strpbrk,
1933         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1934         result to a requested type TYPE.
1935
1936 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR middle-end/19857
1939         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1940         (T)x & (T)cst if (T)cst overflows.
1941         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1942         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1943
1944 2005-02-15  Jeff Law  <law@redhat.com>
1945
1946         * gcse.c (blocks_with_calls): New bitmap.
1947         (alloc_gcse_mem): Allocate it.
1948         (free_gcse_mem): Free it.
1949         (clear_modifY_mem_tables): Clear it.
1950         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1951         when we encounter CALL_INSNs.
1952         (compute_transp, case MEM): Handle blocks with calls separate
1953         from blocks without calls.  Use bitmap iterators rather than
1954         FOR_EACH_BB.
1955
1956 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1957
1958         PR bootstrap/18810
1959         * mklibgcc.in (vis_hide): Use a temporary object file, not
1960         -o /dev/null.
1961
1962 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1963
1964         PR target/19924
1965         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1966         access optimization.
1967
1968 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1969             Alan Modra  <amodra@bigpond.net.au>
1970
1971         PR target/19019
1972         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1973         (_xlqsub): Rename to __gcc_qsub.
1974         (_xlqmul): Rename to __gcc_qmul.
1975         (_xlqdiv): Rename to __gcc_qdiv.
1976         Provide versioned symbol aliases with old names.
1977         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1978         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1979         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1980         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1981         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1982
1983 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1984
1985         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1986         Fold ~(A - 1) and ~(A + -1) to -A.
1987
1988 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1989
1990         PR pch/14940
1991         PR target/19300
1992         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1993         config/pa/pa-host.c:pa_gt_pch_use_address.
1994
1995 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1996
1997         * tree-vn.c (get_value_handle): Make sure that given an
1998         is_gimple_min_invariant expression, we always return it.
1999
2000 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2001
2002         * passes.c (rest_of_handle_gcse): Fix a comment.
2003
2004 2005-02-15  Jeff Law  <law@redhat.com>
2005
2006         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2007         bitmap.
2008         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2009         (canon_list_insert, record_last_mem_set_info): Similarly.
2010         (clear_modify_mem_tables): Similarly.
2011
2012 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2013
2014         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2015         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2016         config/mips/mips.md, config/rs6000/aix.h,
2017         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2018
2019 2005-02-15  Richard Henderson  <rth@redhat.com>
2020
2021         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2022         call to be best_edge.
2023
2024 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2025
2026         * basic-block.h: Adjust the prototype for find_basic_blocks.
2027         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2028         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2029         find_basic_blocks.
2030
2031         * flow.c (recompute_reg_usage): Remove all arguments.
2032         * passes.c (rest_of_compilation): Adjust the call to
2033         recompute_reg_usage.
2034         * rtl.h: Adjust the prototype for recompute_reg_usage.
2035
2036 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2037
2038         * tree-dump.c (dump_files): Update to reflect new member
2039         of dump_file_info.
2040         (dump_register): Add new argument.
2041         Set glob name.
2042         (dump_switch_p_1): Check against glob name if doglob was passed.
2043         (dump_switch_p): Check against regular first, then glob if
2044         we didn't have any hits on the dump name.
2045         * tree-optimize.c (register_one_dump_file):
2046         Pass in glob name as well.
2047         * tree-pass.h (struct dump_file_info): Add glob
2048         member.
2049
2050 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2051
2052         PR preprocessor/16323
2053         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2054
2055 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2056
2057         PR target/19019
2058         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2059         (trunctfdf2_internal1): New.
2060         (trunctfdf2_internal2): Renamed from trunctfdf2.
2061
2062 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2063
2064         PR tree-optimization/19853
2065         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2066
2067 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2068
2069         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2070         delete_dead_jumptables and cleanup_cfg.
2071
2072 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2073
2074         * reload.c (find_reloads): Swap address_reloaded flags when
2075         swapping commutative operands.
2076
2077 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2078
2079         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2080         Use standard_iv_increment_position for computing the bsi position
2081         for create_iv.
2082         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2083         the bsi position.
2084
2085 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2086
2087         PR target/17428
2088         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2089         life range of hard registers.
2090         * value-prof.c (insn_prefetch_values_to_profile): Only
2091         scan normal insns.
2092
2093         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2094         profile in libcalls.
2095
2096 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2097
2098         * bitmap.h (bitmap_and_compl_into): Return bool.
2099         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2100
2101 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2102
2103         PR tree-optimization/19944
2104         * fold-const.c (fold): Re-add ABS_EXPR folding.
2105
2106 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2107
2108         PR target/19019
2109         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2110         {TARGET,MASK}_XL_COMPAT.
2111         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2112         MASK_XL_COMPAT.
2113         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2114         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2115         TARGET_XL_COMPAT.
2116         (rs6000_arg_partial_bytes): Same.
2117         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2118         and XL compatibility enabled.
2119         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2120         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2121         test to final condition.
2122         (cmptf_internal2): New.
2123         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2124         xl-compat.  Add TFmode information to description.
2125
2126 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2127
2128         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2129
2130 2005-02-13  Jason Merrill  <jason@redhat.com>
2131
2132         PR c++/16405
2133         * fold-const.c (fold_indirect_ref_1): Split out from...
2134         (build_fold_indirect_ref): Here.
2135         (fold_indirect_ref): New fn.
2136         * tree.h: Declare it.
2137         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2138         (gimplify_modify_expr_rhs): Likewise.
2139         (gimplify_expr): Likewise.
2140
2141 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2142
2143         PR tree-optimization/14303
2144         PR tree-optimization/15784
2145         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2146         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2147         ABS_EXPR<x> != 0 to x != 0.
2148
2149 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2150
2151         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2152         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2153         spelling conventions.
2154
2155         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2156         delete_trivially_dead_insns too many times.
2157
2158         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2159         tem and tem2.
2160
2161 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2162
2163         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2164         (vect_is_simple_iv_evolution): Remove redundant parameter
2165         and step check.
2166         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2167         without last parameter.
2168         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2169         Return pointer step. Call vect_is_simple_iv_evolution without
2170         last parameter. Check only that the step is multiple of size
2171         type. Remove stmt_vinfo updates.
2172         (vect_get_memtag_and_dr): Remove.
2173         (vect_get_memtag): New function.
2174         (vect_address_analysis): New function.
2175         (vect_object_analysis): New function.
2176         (vect_analyze_data_refs): Call vect_object_analysis and
2177         vect_get_memtag. Update stmt_vinfo fields.
2178
2179 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2180
2181         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2182         exist and are objects. Remove checks for pointer.
2183         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2184         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2185         (vect_create_data_ref_ptr): Likewise.
2186         (vect_base_addr_differ_p): New function.
2187         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2188         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2189         Don't set the DR_BASE_NAME field of data-ref.
2190         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2191
2192 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
2193
2194         * optabs.h (enum optab_index): Add new OTI_ldexp.
2195         (ldexp_optab): Define corresponding macro.
2196         * optabs.c (init_optabs): Initialize ldexp_optab.
2197         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2198         patterns.
2199         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2200         using ldexp_optab.
2201         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2202         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2203
2204         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2205         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2206         intrinsics.
2207
2208 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2209
2210         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2211         to base_address.
2212         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2213         stmt_vec_info.
2214         (vect_get_base_and_offset): Always return an address.
2215         (vect_create_addr_base_for_vector_ref): Remove treatment for
2216         different data reference types.
2217         (vect_compute_data_ref_alignment): Rename base to base_address in
2218         stmt_vec_info. Get the object in order to force its alignment.
2219         (vect_get_memtag_and_dr): Rename base to base_address in
2220         stmt_vec_info. Extract the object for memtag analysis.
2221
2222 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2223
2224         PR regression/19898.
2225         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2226         changes cc_status, use apply modified_in_p to part of cc_status
2227         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2228         body.
2229
2230 2005-02-11  Richard Henderson  <rth@redhat.com>
2231
2232         * tree-complex.c (expand_complex_libcall): New.
2233         (expand_complex_multiplication): Use it for c99 compliance.
2234         (expand_complex_division): Likewise.
2235         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2236         (fold): Call them.
2237         * builtins.c (built_in_names): Remove const.
2238         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2239         builtins.
2240         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2241         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2242         (built_in_names): Remove const.
2243         * c-common.c (c_common_type_for_mode): Handle complex modes.
2244         * flags.h, toplev.c (flag_complex_method): Rename from
2245         flag_complex_divide_method.
2246         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2247         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2248         * libgcc2.h: Declare them.
2249         * libgcc-std.ver: Export them.
2250         * mklibgcc.in (lib2funcs): Build them.
2251
2252 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2253
2254         PR tree-optimization/19876
2255         Partially revert my change from 2005-01-14
2256         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2257         (compute_antic): ...and remove the loop here.
2258
2259 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2260
2261         PR middle-end/19858
2262         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2263         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2264
2265         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2266         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2267
2268 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2269
2270         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2271         offsets for the big-endian 32-bit case.
2272
2273 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2274
2275         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2276
2277 2005-02-11  Dale Johannesen  <dalej@apple.com>
2278
2279         * cselib.c (cselib_process_insn):  Clear out regs where
2280         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2281         * reload.c (find_equiv_reg): Ditto.
2282
2283 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2284
2285         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2286         with no elements.
2287
2288         * tree.c (build_function_type_list): Work correctly if there are
2289         no arguments.
2290
2291 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2292
2293         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2294         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2295         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2296         TARGET_ZARCH instead of TARGET_64BIT.
2297
2298 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2299
2300         * config/rs6000/t-rtems:
2301         (MULTILIB_OPTIONS): Remove mcpu=602.
2302         (MUTLILIB_DIRNAMES): Remove m602.
2303         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2304         Let mcpu=602 match mcpu=603.
2305         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2306
2307 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2308
2309         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2310         signal trampolines.
2311
2312 2005-02-10  David Daney  <ddaney@avtrex.com>
2313
2314         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2315         * config/i386/linux-unwind.h: Likewise.
2316         * config/ia64/linux-unwind.h: Likewise.
2317         * config/mips/linux-unwind.h: Likewise.
2318         * config/pa/linux-unwind.h: Likewise.
2319         * config/rs6000/linux-unwind.h: Likewise.
2320         * config/s390/linux-unwind.h: Likewise.
2321         * config/sh/linux-unwind.h: Likewise.
2322         * config/sparc/linux-unwind.h: Likewise.
2323
2324 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2325
2326         PR tree-optimization/17549
2327         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2328         TER to replace a DEF with its expression if the DEF and the
2329         rhs of the expression we replace into have the same root
2330         variable.
2331
2332 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2333
2334         * config/mips/mips.md: Fix the placement of the match_scratch in the
2335         lea64 peephole2.
2336
2337 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2338
2339         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2340         Fix comment typos.
2341
2342 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2343
2344         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2345         (strip_offset): Handle addresses.
2346         (add_address_candidates): Use strip_offset.
2347         (difference_cost): Reflect strip_offset change.
2348         (force_var_cost, difference_cost): Strip nops.
2349
2350 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2351
2352         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2353
2354         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2355         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2356         config/cris/cris-protos.h, config/cris/cris.c: Update
2357         copyright.
2358
2359 2005-02-10  Jeff Law  <law@redhat.com>
2360
2361         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2362         (lookup_avail_expr): Similarly.
2363
2364 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2365
2366         * builtins.c (fold_builtin_powi): New function.
2367         (fold_builtin_1): Call it.
2368
2369 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2370
2371         PR documentation/19309
2372         * doc/cpp.texi: The __GNUC__ and related predefined macros
2373         are also defined for the "standalone" cpp.
2374         Some non-GCC compilers may also define __GNUC__.
2375
2376 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2377
2378         PR c/19342
2379         * c-typeck.c (common_type): New routine.  Old common_type renamed
2380         to...
2381         (c_common_type): ...this.
2382         (build_conditional_expr, build_binary_op): Use c_common_type instead
2383         of common_type.
2384
2385 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2386
2387         * doc/md.texi: Replace @samp{length} with @code{length}.
2388
2389 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2390
2391         PR tree-optimization/18687
2392         * tree-flow.h (find_loop_niter): Declare.
2393         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2394         Try using scev even for loops with more than one exit.
2395         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2396         (struct ivopts_data): Added niters field.
2397         (struct nfe_cache_elt): New.
2398         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2399         functions.
2400         (tree_ssa_iv_optimize_init): Initialize niters cache.
2401         (determine_number_of_iterations): Removed.
2402         (find_induction_variables): Do not call determine_number_of_iterations.
2403         Access niters for single exit through niter_for_single_dom_exit.
2404         (add_iv_outer_candidates): Access niters for single exit through
2405         niter_for_single_dom_exit.
2406         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2407         number_of_iterations_cond.
2408         (iv_period): New function.
2409         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2410         (may_replace_final_value): Take data argument.  Use
2411         niter_for_single_dom_exit.
2412         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2413         (rewrite_use_compare): Pass data to may_eliminate_iv.
2414         (rewrite_use_outer): Pass data to may_replace_final_value.
2415         (free_loop_data): Clean up the niters cache.
2416         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2417         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2418         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2419         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2420         (num_ending_zeros): Moved to tree.c.
2421         * tree.h (num_ending_zeros): Declare.
2422         * tree.c (num_ending_zeros): Moved from tree.c.
2423
2424 2005-02-09  Richard Henderson  <rth@redhat.com>
2425
2426         * builtins.c (DEF_BUILTIN): Add COND argument.
2427         * tree.h (DEF_BUILTIN): Likewise.
2428         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2429         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2430         match.
2431         (DEF_BUILTIN_STUB): New.
2432         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2433         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2434         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2435         * c-common.c (DEF_BUILTIN): Add COND argument.
2436         * tree.c (local_define_builtin): New.
2437         (build_common_builtin_nodes): New.
2438
2439 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2440
2441         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2442         floating point expression ignoring the sign of the result.
2443         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2444         (fold) <MULT_EXPR>: Use it to simplify x*x.
2445         * tree.h (fold_strip_sign_ops): Prototype here.
2446         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2447         argument.  Use fold_strip_sign_ops to simplify the first argument.
2448         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2449         first argument when the second argument is an even integer
2450         constant, but only with -funsafe_math_optimizations.
2451         (fold_builtin_1): Update call to fold_builtin_copysign.
2452
2453 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2454
2455         PR middle-end/19583
2456         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2457         just check whether EH_FILTER_FAILURE falls through.
2458
2459 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2460
2461         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2462         insns return to ready list in the next turn.
2463
2464 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2465
2466         PR middle-end/19402
2467         * builtins.def: New __builtin_powi[lf].
2468         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2469         (expand_builtin_powi): New function.
2470         (expand_builtin): Dispatch to expand_builtin_powi.
2471         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2472         * libgcc2.c: Add __builtin_powi[lf] implementation.
2473         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2474         * optabs.h: Add powi_optab.
2475         * optabs.c (init_optabs): Initialize powi_optab.
2476         * doc/extend.texi: Document __builtin_powi[lf].
2477
2478 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2479
2480         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2481         exists.
2482
2483 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2484
2485         PR middle-end/19854
2486         * fold-const.c (try_move_mult_to_index): Remove redundant
2487         type argument.  Create ADDR_EXPR with correct type.
2488         (fold): Update callers of try_move_mult_to_index.  Convert
2489         result to the appropriate type.
2490
2491 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2492
2493         PR target/19597
2494         * config/avr/avr.c (default_rtx_costs): Delete.
2495         (avr_operand_rtx_cost): New function.
2496         (avr_rtx_costs): Completely rewrite.
2497
2498 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2499
2500         PR target/19806
2501         * config/cris/cris.c (in_code): New variable.
2502         (cris_output_addr_const): Now a static function, a wrapper for
2503         output_addr_const.
2504         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2505         case from old cris_output_addr_const.
2506         (cris_asm_output_label_ref): Similar for LABEL_REF.
2507         (cris_output_addr_const_extra): Similar for UNSPEC.
2508         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2509         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2510         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2511         declaration.
2512         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2513         (cris_asm_output_label_ref): Declare.
2514
2515 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2516
2517         PR preprocessor/19801
2518         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2519         filenames that changed when libcpp was moved to the toplevel.
2520
2521 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2522
2523         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2524         zero extensions of BImode operands.  Call lowpart_subreg instead
2525         of gen_lowpart_common and gen_lowpart_SUBREG.
2526
2527 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2528
2529         PR ada/19489
2530         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2531         * configure.ac: Set cc_for_cross_gnattools.
2532         * configure: Regenerate.
2533
2534 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2535
2536         PR target/19803
2537         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2538
2539 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2540
2541         PR debug/19327
2542         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2543         of nested functions.
2544
2545 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2546
2547         * doc/extend.texi: Document deprecated extensions allowing
2548         static floating-point members to have initializers and allowing
2549         floating-point literals in integral constant expressions.
2550
2551 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2552
2553         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2554         config/darwin7.h, config/mips/mips.c,
2555         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2556         Update copyright.
2557
2558         * cse.c: Update comments.
2559
2560 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2561
2562         PR middle-end/19775
2563         * builtins.c (fold_builtin_sqrt): Transform
2564         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2565         pow(x,y*0.5).
2566
2567 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2568             Dorit Naishlos  <dorit@il.ibm.com>
2569
2570         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2571         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2572         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2573         was added.
2574         * tree.h (vect_set_verbosity_level): New extern function declaration
2575         added.
2576         * tree-vectorizer.h (verbosity_levels): New enum type.
2577         * tree-vectorizer.c (vect_debug_stats): Function removed.
2578         (vect_debug_details): Likewise.
2579         (vect_verbosity_level): Global variable was defined and initialized.
2580         (vect_dump): Global variable definition.
2581         (vect_print_dump_info): New function.
2582         (vect_set_dump_settings): New function.
2583         (vect_set_verbosity_level): New function.
2584         (vectorize_loops): Add call to vect_set_dump_settings.
2585
2586         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2587         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2588         (slpeel_tree_peel_loop_to_edge): Likewise.
2589
2590         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2591         appropriate verbosity level instead of call to vect_debug_details
2592         or vect_debug_stats.
2593         (vect_get_base_and_offset):
2594         (vect_create_addr_base_for_vector_ref):
2595         (get_vectype_for_scalar_type):
2596         (vect_create_data_ref_ptr):
2597         (vect_init_vector):
2598         (vect_get_vec_def_for_operand):
2599         (vect_finish_stmt_generation):
2600         (vectorizable_assignment):
2601         (vectorizable_operation):
2602         (vectorizable_store):
2603         (vectorizable_load):
2604         (vect_transform_stmt):
2605         (vect_update_ivs_after_vectorizer):
2606         (vect_do_peeling_for_loop_bound):
2607         (vect_update_inits_of_drs):
2608         (vect_do_peeling_for_alignment):
2609         (vect_transform_loop):
2610         (vect_is_simple_use):
2611         (vect_analyze_operations):
2612         (vect_is_simple_iv_evolution):
2613         (vect_analyze_scalar_cycles):
2614         (vect_analyze_data_ref_dependence):
2615         (vect_analyze_data_ref_dependences):
2616         (vect_compute_data_ref_alignment):
2617         (vect_enhance_data_refs_alignment):
2618         (vect_analyze_data_refs_alignment):
2619         (vect_analyze_data_ref_access):
2620         (vect_analyze_data_ref_accesses):
2621         (vect_analyze_pointer_ref_access):
2622         (vect_get_memtag_and_dr):
2623         (vect_analyze_data_refs):
2624         (vect_mark_relevant):
2625         (vect_stmt_relevant_p):
2626         (vect_mark_stmts_to_be_vectorized):
2627         (vect_can_advance_ivs_p):
2628         (vect_get_loop_niters):
2629         (vect_analyze_loop_form):
2630         (vect_analyze_loop):
2631         (vectorize_loops): Likewise.
2632
2633         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2634         (vect_update_inits_of_drs):
2635         (vect_do_peeling_for_alignment):
2636         (vect_transform_loop):
2637         (vect_analyze_operations):
2638         (vect_analyze_scalar_cycles):
2639         (vect_analyze_data_ref_dependences):
2640         (vect_analyze_data_refs_alignment):
2641         (vect_analyze_data_ref_accesses):
2642         (vect_analyze_data_refs):
2643         (vect_mark_stmts_to_be_vectorized):
2644         (vect_get_loop_niters):
2645         (vect_analyze_loop_form):
2646         (vect_analyze_loop): Likewise.
2647         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2648
2649 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2650
2651         PR bootstrap/19796
2652         Revert:
2653         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2654         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2655         either -ffast-math or -funsafe-math-optimizations is in use.
2656
2657         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2658         * config/mips/irix-csr.c: New file.
2659         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2660         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2661         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2662         executables.
2663
2664 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2665
2666         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2667         redundant, incorrect definitions.
2668
2669         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2670         expand.
2671         ("*tls_indirect_call"): New, reference hard regs directly.
2672         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2673
2674 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2675
2676         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2677         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2678
2679 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2680
2681         PR rtl-optimization/19800
2682         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2683         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2684         gen_lowpart.
2685
2686 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2687
2688         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2689
2690 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2691
2692         PR other/17135
2693         * doc/invoke.texi: Correct documentation of -freorder-functions.
2694
2695 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2696
2697         PR other/14402
2698         * doc/invoke.texi: Don't mention gccbug.
2699
2700 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2701             Andrew Pinski  <pinskia@physics.uc.edu>
2702             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2703
2704         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2705         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2706         into just (zero_extract:SI FOO (const_int 1) BAR).
2707
2708 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2709
2710         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2711         macro locally.  Don't give last revision date.  Use GCC version
2712         number from gcc-common.texi.
2713         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2714         revision date.  Use GCC version number from gcc-common.texi.
2715         Describe being a library as current state rather than as 3.x
2716         history.
2717         * doc/gcc.texi: Remove last update date.
2718         * doc/gccint.texi: Likewise.  Update copyright dates.
2719         * doc/install.texi: Update copyright dates.
2720
2721 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2722
2723         PR other/7549
2724         * doc/invoke.texi: Mention for each option included in -Wall that
2725         it is included in -Wall.
2726         * doc/gcc.texi: Update copyright and last modification date.
2727
2728 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2729
2730         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2731         unnecessary cast to original induction variable increments.
2732
2733 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2734
2735         PR tree-optimization/18219
2736         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2737         in distributed form.
2738
2739 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2740
2741         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2742         Set bitpos and offset later in the function.  Do nothing if the
2743         target is a register and if the bitfield lies completely outside
2744         that register.
2745         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2746         here.  Return an uninitialised register if the source value is stored
2747         in a register and the bitfield lies completely outside that register.
2748
2749 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2750
2751         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2752         not SET_DEST.
2753
2754 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2755
2756         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2757
2758 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2759
2760         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2761         * config/darwin8.h: New.
2762         * config/darwin7.h: Update comment.
2763
2764 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2765             Dorit Naishlos  <dorit@il.ibm.com>
2766
2767         * tree-vectorizer.h (LOC): New type.
2768         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2769         (loop_line_number): New field in struct _loop_vec_info.
2770         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2771
2772         * tree-vectorizer.c (input.h): Included.
2773         (find_loop_location): New function.
2774         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2775         loop line number removed.
2776         (vect_debug_details): Likewise.
2777         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2778
2779         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2780         call to vect_debug_details/stats changed from loop to loop_loc.
2781         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2782         (slpeel_tree_peel_loop_to_edge): Likewise.
2783
2784         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2785         changed from NULL to UNKNOWN_LOC.
2786         (vect_get_base_and_offset):
2787         (vect_create_addr_base_for_vector_ref):
2788         (get_vectype_for_scalar_type):
2789         (vect_create_data_ref_ptr):
2790         (vect_init_vector):
2791         (vect_get_vec_def_for_operand):
2792         (vect_finish_stmt_generation):
2793         (vectorizable_assignment):
2794         (vectorizable_operation):
2795         (vectorizable_store):
2796         (vectorizable_load):
2797         (vect_transform_stmt):
2798         (vect_update_ivs_after_vectorizer):
2799         (vect_do_peeling_for_loop_bound):
2800         (vect_do_peeling_for_alignment):
2801         (vect_transform_loop):
2802         (vect_is_simple_use):
2803         (vect_analyze_operations):
2804         (vect_is_simple_iv_evolution):
2805         (vect_analyze_scalar_cycles):
2806         (vect_analyze_data_ref_dependences):
2807         (vect_compute_data_ref_alignment):
2808         (vect_enhance_data_refs_alignment):
2809         (vect_analyze_data_ref_access):
2810         (vect_analyze_data_ref_accesses):
2811         (vect_analyze_pointer_ref_access):
2812         (vect_get_memtag_and_dr):
2813         (vect_analyze_data_refs):
2814         (vect_mark_relevant):
2815         (vect_stmt_relevant_p):
2816         (vect_mark_stmts_to_be_vectorized):
2817         (vect_can_advance_ivs_p):
2818         (vect_get_loop_niters):
2819         (vect_analyze_loop):
2820         (vectorize_loops): Likewise.
2821
2822         (vectorizable_load): Argument in call to vect_debug_details/stats
2823         changed from loop to LOOP_LOC (loop_vinfo).
2824         (vect_transform_loop):
2825         (vect_analyze_operations):
2826         (vect_analyze_scalar_cycles):
2827         (vect_analyze_data_ref_dependence):
2828         (vect_enhance_data_refs_alignment):
2829         (vect_analyze_data_ref_accesses):
2830         (vect_analyze_pointer_ref_access):
2831         (vect_analyze_data_refs):
2832         (vect_analyze_loop): Likewise.
2833
2834         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2835         changed from loop to loop_loc.
2836
2837         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2838
2839 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2840             Dorit Naishlos  <dorit@il.ibm.com>
2841
2842         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2843         declaration added.
2844         (vect_analyze_data_ref_dependences): Likewise.
2845
2846         (vect_is_simple_use): Argument changed from loop structure to
2847         loop_vect_info structure.
2848         (vect_can_advance_ivs_p): Likewise.
2849         (vect_create_index_for_vector_ref): Likewise.
2850         (vect_update_ivs_after_vectorizer): Likewise.
2851         (new_stmt_vec_info): Likewise.
2852
2853         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2854         changed from loop to loop_vinfo.
2855         (vect_create_data_ref_ptr): First argument in call to
2856         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2857         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2858         was changed from loop to loop_vinfo.
2859         (vectorizable_operation): Likewise.
2860         (vectorizable_store): Likewise.
2861         (vect_mark_stmts_to_be_vectorized): Likewise.
2862         (vect_do_peeling_for_loop_bound): First argument in call to
2863         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2864         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2865         was changed from loop to loop_vinfo.
2866         (vect_analyze_data_ref_dependences): Third argument in call to
2867         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2868
2869         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2870         (vect_create_data_ref_ptr): Likewise.
2871         (vect_init_vector): Likewise.
2872         (vect_get_vec_def_for_operand): Likewise.
2873         (vectorizable_assignment): Likewise.
2874         (vectorizable_operation): Likewise.
2875         (vectorizable_store): Likewise.
2876         (vectorizable_load): Likewise.
2877         (vect_update_ivs_after_vectorizer): Likewise.
2878         (vect_is_simple_use): Likewise.
2879         (vect_analyze_data_ref_dependence): Likewise.
2880         (vect_analyze_pointer_ref_access): Likewise.
2881         (vect_can_advance_ivs_p): Likewise.
2882
2883         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2884         before _stmt_vec_info.
2885         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2886         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2887         (new_stmt_vec_info): Argument changed from loop structure to
2888         loop_vect_info structure
2889
2890         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2891         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2892         (vect_create_addr_base_for_vector_ref): Likewise.
2893         (vect_analyze_pointer_ref_access): Likewise.
2894
2895 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2896
2897         PR tree-opt/19768
2898         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2899         phi flag if the phi is abnormal.
2900
2901 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2902
2903         PR tree-opt/19736
2904         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2905         information for the new statement.
2906
2907 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2908
2909         PR driver/19117
2910         * gcc.c (main): Include the target in -v output.
2911
2912 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2913
2914         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2915         Do not drop the extend if we'd have to add a paradoxical subreg
2916         later.  Include optabs.h and insn-codes.h.
2917         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2918
2919 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2920
2921         PR middle-end/19405
2922         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2923         * fold-const.c (const_binop): Avoid constant folding floating
2924         point operations in modes that use composite representations.
2925         * simplify-rtx.c (simplify_binary_operation): Likewise.
2926
2927 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2928
2929         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2930         a REG, not a MEM.
2931         (altivec_dstt): Likewise.
2932         (altivec_dstst): Likewise.
2933         (altivec_dststt): Likewise.
2934         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2935         of first operand.
2936
2937 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2938
2939         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2940         EXPR_LOCUS from orig_cond to the new cond_stmt.
2941         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2942         the new vec_stmt.
2943
2944 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2945
2946         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2947         standard_iv_increment_position. Remove call to bsi_next
2948         (no need to bump the iterator anymore).
2949         (vect_create_index_for_vector_ref): Call
2950         standard_iv_increment_position. Remove second function argument.
2951         (vect_finish_stmt_generation): Remove call to bsi_next
2952         (no need to bump the iterator anymore).
2953         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2954         to vect_create_index_for_vector_ref.
2955
2956 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2957
2958         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2959         phis are used out of the loop.
2960
2961 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2962
2963         PR c/17807
2964         * c-decl.c (undef_nested_function): New variable.
2965         (pop_scope): Diagnose undefined nested functions.
2966         (finish_function): Don't attempt cgraph processing or genericizing
2967         if current top-level function contained an undefined nested
2968         function.  Reset undef_nested_function at the end of a top-level
2969         function.
2970
2971 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2972
2973         * tree.c (build_int_cst_type): Take sign of the value into account
2974         when deciding whether sign extend the value.
2975
2976 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2977
2978         PR c/18502
2979         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2980         (cpp_options, cc1_options): Change %{std*&ansi} to
2981         %{std*&ansi&trigraphs}.
2982
2983 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2984
2985         * cse.c: Update comments.
2986
2987 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2988
2989         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2990         arguments go on the stack.  Do not put complex doubles in odd/even
2991         pairs.
2992
2993 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2994
2995         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2996         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2997         -ftree-pre, and -fthread-jumps.
2998
2999 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3000
3001         PR tree-optimization/19578
3002         * tree-flow.h (modified_noreturn_calls): Declare.
3003         (noreturn_call_p): Declare.
3004         * tree-flow-inline.h (noreturn_call_p): New function.
3005         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3006         * tree-cfg.c (modified_noreturn_calls): New variable.
3007         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3008         that contain a mid-block noreturn call.
3009         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3010
3011 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3012
3013         * df.c (df_def_record_1, df_uses_record): Don't use
3014         DF_FOR_REGALLOC.
3015         * df.h (DF_FOR_REGALLOC): Remove.
3016
3017 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3018
3019         PR c/19435
3020         * c-typeck.c (really_start_incremental_init): Reset
3021         constructor_max_index for arrays of incomplete type.
3022
3023 2005-02-02  Jeff Law  <law@redhat.com>
3024
3025         * gcse.c (struct reg_set): Store the block index where the register
3026         was set rather than the setting insn.
3027         (record_one_set, compute_transp): Corresponding changes.
3028         (pre_insert_copy_insn): Do not call replace_one_set.
3029         (replace_one_set): Remove.
3030
3031 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3032
3033         PR other/15514
3034         * doc/gcov.texi: Fix typo.
3035
3036 2005-02-01  Richard Henderson  <rth@redhat.com
3037
3038         PR target/19680
3039         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3040         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3041         type to bool.
3042         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3043         * config/i386/i386-protos.h: Update.
3044
3045 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3046
3047         PR tree-optimization/19217
3048         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3049         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3050         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3051         that it is walking a PHI node.
3052
3053 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3054
3055         * doc/extend.texi (Nested Functions): Update.
3056
3057 2005-02-01  Richard Henderson  <rth@redhat.com>
3058
3059         PR 19696
3060         * optabs.c (expand_copysign_absneg): Export.
3061         * optabs.h (expand_copysign_absneg): Declare.
3062         * config/rs6000/rs6000.md (copysigntf3): New.
3063
3064 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3065
3066         PR tree-optimization/19633
3067         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3068         * tree-ssa-alias.c (init_alias_info): Initialize.
3069         (merge_pointed_to_info): Set.
3070         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3071         (dump_points_to_info_for): Show value of pt_null.
3072         (struct count_ptr_d): Declare.
3073         (find_ptr_dereference): Remove.
3074         (ptr_is_dereferenced_by): Remove.
3075         (count_ptr_derefs): New local function.
3076         (count_uses_and_derefs): New local function.
3077         (compute_points_to_and_addr_escape): Call it.  If the number
3078         of dereferences is greater than zero, mark the pointer as
3079         dereferenced.  If there are fewer dereferences than uses of
3080         the pointer, the pointer's value escapes.
3081
3082 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3083
3084         PR tree-optimization/19670
3085         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3086         here...
3087         (verify_use): ... set it here, instead.
3088
3089 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3090
3091         * doc/sourcebuild.texi (Test directives): Fix formatting.
3092
3093         * doc/sourcebuild.texi (Test directives): Describe selector
3094         expressions.
3095
3096 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3097
3098         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3099         specific 64-bit CPUs.
3100
3101 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3102
3103         PR target/16201
3104         * arm.c (arm_eliminable_register): New function.
3105         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3106         HOST_WIDE_INT for address offsets.
3107         * arm-protos.h (arm_eliminable_register): Add prototype.
3108
3109 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3110
3111         PR optimization/15242
3112         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3113         * basic-block.h (duplicate_computed_gotos): Add prototype.
3114         * bb-reorder.c (duplicate_computed_gotos): New function to
3115         duplicate sufficiently small blocks ending in a computed jump.
3116         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3117         if not optimizing for size.
3118         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3119         never do tail merging for blocks ending in a computed jump.
3120         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3121
3122 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3123
3124         Patch from Richard Sandiford <rsandifo@redhat.com>
3125         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3126         from inheriting a subreg equivalence with a non-spill register.
3127
3128         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3129
3130 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3131
3132         * config/frv/frv.c (movcc_fp_destination_operand): New.
3133         (gpr_or_memory_operand): Fix typo in comment.
3134         (gpr_or_memory_operand_with_scratch): New.
3135         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3136         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3137         movcc_fp_destination_operand.
3138         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3139         Legitimize memory addresses using a scratch register.
3140
3141 2005-01-31  Jeff Law  <law@redhat.com>
3142
3143         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3144         bitmap a sparse bitmap instead of a simple bitmap.
3145         (mark_def_sites_initialize_block):  Corresponding changes.
3146         (ssa_mark_def_sites_initialize_block): Likewise.
3147         (ssa_mark_phi_uses): Likewise.
3148         (mark_def_site, ssa_mark_def_sites): Likewise.
3149         (mark_def_site_blocks): Likewise.
3150         (rewrite_ssa_into_ssa): Likewise.
3151
3152         * tree-ssa-dom.c (record_cond): Pass correct variable type
3153         for last argument to htab_find_slot_with_hash.
3154
3155         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3156         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3157
3158 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3159
3160         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3161         1_mmalua.
3162
3163 2005-02-01  Eric Christopher  <echristo@redhat.com>
3164
3165         * config/mips/mips.c (override_options): Warn if -mint64
3166         is used.
3167         * doc/invoke.texi (MIPS Options): Document that -mint64 is
3168         deprecated.
3169
3170 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
3171
3172         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
3173         timestamp.
3174         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3175         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3176         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3177         (cached_regno): Initialize to INVALID_REGNUM.
3178         (cse_reg_info_table_size,
3179         cse_reg_info_table_first_uninitialized,
3180         cse_reg_info_timestamp): New.
3181         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3182         get_cse_reg_info.
3183         (init_cse_reg_info, get_cse_reg_info_1): New.
3184         (get_cse_reg_info): Cache the last look-up.
3185         (new_basic_block): Update the code to clear mappings from
3186         registers to cse_reg_info entries.
3187         (cse_main): Call init_cse_reg_info.
3188
3189         * cse.c (get_cse_reg_info): Update a comment.
3190
3191 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3192
3193         PR c/19333
3194         * c-decl.c (start_decl): Do not warn about arrays of elements with
3195         an incomplete type here.
3196         (grokdeclarator): Do it here by making a pedwarn an error.
3197         * c-typeck.c (push_init_level): If there were previous errors with
3198         the constructor type, do not warn about braces for initializers.
3199         (process_init_element): Likewise for excess initializer elements.
3200
3201 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
3202
3203         * cse.c (delete_trivially_dead_insn): Don't iterate.
3204
3205 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
3206
3207         * config/rs6000/rs6000.md (copysignsf3): New expand.
3208         (copysigndf3): Likewise.
3209
3210 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3211
3212         * recog.c (constrain_operands): Only look for earlyclobber operand
3213         conflicts if an '&' constraint was seen.
3214
3215 2005-01-31  Marc Espie <espie@openbsd.org>
3216
3217         * config.gcc: Don't include embedded systems fragment, switches default
3218         debugging format to ELF.
3219         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3220         longer pick it up there.
3221
3222 2005-01-31  Dale Johannesen  <dalej@apple.com>
3223
3224         * doc/extend.texi (nested functions): Fix linkage description.
3225         Clarify that static is not allowed.
3226
3227 2005-01-31  Dale Johannesen  <dalej@apple.com>
3228
3229         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3230         (movdf_low_di):  Make work.
3231
3232 2005-01-31  Dale Johannesen  <dalej@apple.com>
3233
3234         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3235         Make work for 64 bit.
3236
3237 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3238             Dale Johannesen  <dalej@apple.com>
3239
3240         PR middle-end/19650
3241         * fold-const.c (fold_binary_op_with_conditional_arg):
3242         Make types match original operands, before STRIP_NOPS.
3243
3244 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3245
3246         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3247         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3248         (struct gcc_sigcontext): Delete.  Merge contents to..
3249         (struct gcc_ucontext): ..here.
3250         (get_sigcontext): Delete.
3251         (get_regs): New function, like get_sigcontext but return regs ptr.
3252         64-bit version finds regs from r1 to support vdso.
3253         (ppc_linux_aux_vector): New function.
3254         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3255         and vector regs.
3256
3257 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3258
3259         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3260         sizetype.
3261         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3262         redundant fold. Fix misalignment for MINUS_EXPR.
3263         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3264         (vect_analyze_pointer_ref_access): Likewise.
3265         (vect_get_memtag_and_dr): Likewise.
3266
3267 2005-01-31  Richard Henderson  <rth@redhat.com>
3268
3269         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3270         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3271         absnegdf2_i387, absnegxf2_i387): Likewise.
3272
3273 2005-01-31  Richard Henderson  <rth@redhat.com>
3274
3275         PR 19696
3276         * optabs.c (expand_copysign_absneg): New.
3277         (expand_copysign_bit): Split out from ...
3278         (expand_copysign): ... here.  Use expand_copysign_absneg.
3279
3280 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3281
3282         PR middle-end/19697
3283         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3284         constant as the second operand and a register as the third.
3285
3286 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3287
3288         PR target/19704
3289         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3290         that dllimport'd functions do not use all call-clobbered registers
3291         to pass parameters.
3292
3293 2005-01-30  Richard Henderson  <rth@redhat.com>
3294
3295         PR 19696
3296         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3297         expand_abs_nojump and generalize.  Use operand_subword and
3298         emit_no_conflict_block.  Support large modes.
3299         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3300         back to maximum.
3301         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3302         negation to subtraction.
3303         (expand_copysign): Check that the format has signed zeros.
3304         Use operand_subword and emit_no_conflict_block.  Support large modes.
3305
3306 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3307
3308         Fix PR tree-optimization/19624
3309
3310         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3311         * tree-ssa-pre.c: Add cfgloop.h.
3312         Update comment.
3313         (pre_stats): New member, constified.
3314         (inserted_exprs): New static variable.
3315         (NECESSARY): New macro.
3316         (create_expression_by_pieces): Fold the expression, and
3317         mark it as defaulting to not necessary. Also put in
3318         inserted_exprs.
3319         (fully_constant_expression): New function.
3320         (insert_into_preds_of_block): Modify to not insert phis when we
3321         are playing with induction variables.
3322         Push phis onto the inserted_exprs vector, and mark them as not
3323         necessary by default.
3324         (insert_aux): Call fully_constant_expression on eprime.
3325         If all edges produce the same value, mark it constant.
3326         (mark_operand_necessary): New function.
3327         (remove_dead_inserted_code): New function.
3328         (init_pre): Init loop optimizer to get loop info.
3329         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3330         (execute_pre): Commit edge inserts, then remove dead code.
3331
3332 2005-01-30  Richard Henderson  <rth@redhat.com>
3333
3334         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3335         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3336
3337 2005-01-30  Richard Henderson  <rth@redhat.com>
3338
3339         PR target/19700
3340         * config/i386/i386.c (ix86_expand_copysign): New.
3341         (ix86_split_copysign_const): New.
3342         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3343         rearrange op1/nmask operands.
3344         * config/i386/i386-protos.h: Update.
3345         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3346         (copysigndf3): Likewise.
3347         (copysignsf3_const, copysigndf3_const): New.
3348         (copysignsf3_var): Rename from copysignsf3, split out splitter
3349         and fix split predicate for X constraint.
3350         (copysigndf3_var): Similarly.
3351
3352 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3353
3354         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3355         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3356         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3357
3358 2005-01-29  Richard Henderson  <rth@redhat.com>
3359
3360         PR target/19690
3361         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3362         of # and * in constraints.
3363
3364 2005-01-29  Richard Henderson  <rth@redhat.com>
3365
3366         PR middle-end/19689
3367         * expr.c (store_field): Don't strip sub-mode cast when the input
3368         data is even smaller.
3369
3370 2005-01-29  Richard Henderson  <rth@redhat.com>
3371
3372         PR middle-end/19687
3373         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3374         union being empty.
3375
3376 2005-01-29  Richard Henderson  <rth@redhat.com>
3377
3378         * combine.c (make_field_assignment): Fix argument order
3379         to gen_int_mode.
3380
3381 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3382
3383         PR tree-optimization/15791
3384         * fold-const.c (extract_array_ref): New function.
3385         (fold): Fold comparisons between &a[i] and &a[j] or
3386         semantically equivalent trees.
3387
3388 2005-01-29  Jeff Law  <law@redhat.com>
3389
3390         * gcse.c (insert_expr_in_table): Revamp handling of available
3391         and anticipatable occurrence lists to avoid unnecessary list
3392         walking.
3393         (insert_set_in_table): Similarly.
3394
3395 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3396
3397         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3398         build string type.
3399         (c_build_qualified_type): Build qualified array types with
3400         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3401         * c-decl.c (c_make_fname_decl): Build unqualified array type
3402         before qualified type.
3403         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3404         type is qualified, not just if type itself is.  Don't apply
3405         qualifiers to array type when declarator is processed.  Apply
3406         qualifiers to field type whether or not it is an array type.
3407         Don't handle array types specially for applying qualifiers to
3408         variables.
3409         * c-typeck.c (composite_type): Build unqualified element type and
3410         array type when forming composite of array types.
3411         (common_pointer_type, comptypes, comp_target_types,
3412         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3413         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3414         types.
3415         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3416         (args2) in variables a1 and a2.
3417
3418 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3419
3420         * cse.c (n_elements_made, max_elements_made): Remove.
3421         (insert): Don't touch n_elements_made.
3422         (cse_main): Don't touch n_elements_made or max_elements_made.
3423
3424 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3425
3426         PR target/15384
3427         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3428         configuration part of dp-bit.c to be lost.
3429
3430 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3431
3432         * expmed.c (expand_mult_highpart_optab): When attempting to use
3433         a non-widening multiplication in a wider mode, the operands need
3434         to be converted (zero or sign extended) to that mode.
3435
3436 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3437
3438         PR middle-end/16558
3439         PR middle-end/19583
3440         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3441         through if both operands fall through.
3442
3443 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3444
3445         * cse.c (fold_rtx) <PC>: Don't optimize.
3446
3447 2005-01-28  Jeff Law  <law@redhat.com>
3448
3449         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3450         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3451
3452 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3453
3454         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3455         cse_reg_info_used_list_end): Remove.
3456         (cse_reg_info_list, cse_reg_info_list_free): New.
3457         (get_cse_reg_info): When allocating an instance of
3458         cse_reg_info, add it to the beginning of the cse_reg_info_list
3459         list.  Remove code to maintain cse_reg_info_used_list.
3460         (new_basic_block): Reset the free list to the beginning of
3461         cse_reg_info_list.
3462
3463 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3464
3465         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3466         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3467         (frv_expand_mdpackh_builtin): New function.
3468         (frv_expand_builtin): Use it to expand __MDPACKH.
3469         * doc/extend.texi (__MDPACKH): Update documentation.
3470
3471 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3472
3473         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3474         SSE_FLOAT_MODE_P for use_sse computation.
3475
3476 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3477
3478         PR target/19663
3479         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3480
3481 2005-01-27  Richard Henderson  <rth@redhat.com>
3482
3483         * builtins.c (expand_builtin_copysign): New.
3484         (expand_builtin): Call it.
3485         * genopinit.c (optabs): Add copysign_optab.
3486         * optabs.c (init_optabs): Initialize it.
3487         (expand_copysign): New.
3488         * optabs.h (OTI_copysign, copysign_optab): New.
3489         (expand_copysign): Declare.
3490
3491         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3492         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3493
3494         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3495         (ix86_expand_fp_absneg_operator): ... here.
3496         (ix86_split_copysign): New.
3497         * config/i386/i386-protos.h: Update.
3498         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3499         (copysignsf3, copysigndf3): New.
3500
3501         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3502         (copysignsf3, ncopysignsf3): New.
3503         (copysigndf3, ncopysigndf3): New.
3504         (copysignxf3, ncopysignxf3): New.
3505         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3506
3507 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3508             Kazu Hirata  <kazu@cs.umass.edu>
3509
3510         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3511         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3512         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3513         NULL_RTX.
3514
3515 2005-01-27  Jeff Law  <law@redhat.com>
3516
3517         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3518         definitions of SSA_NAMEs which are not being rewritten.
3519         (rewrite_ssa_into_ssa): Only initialize the current definition
3520         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3521         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3522         SSA_NAMEs before returning.
3523
3524 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3525
3526         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3527         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3528         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3529         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3530         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3531
3532 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3533
3534         PR middle-end/17278
3535         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3536         higher to -O2 and higher.  Likewise for tree PRE.
3537         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3538         and better.
3539
3540 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3541
3542         PR middle-end/19583
3543         * gimple-low.c (try_catch_may_fallthru): New static function.
3544         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3545         * tree-inline.c (expand_call_inline): Don't warn about reaching
3546         the end of a non-void function being inlined if the function uses
3547         a return slot.
3548
3549 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3550
3551         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3552
3553         PR c/18946
3554         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3555         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3556         (implicitly_declare): Handle error_mark_node.
3557
3558 2005-01-27  Richard Henderson  <rth@redhat.com>
3559
3560         PR tree-opt/14329
3561         * tree.h (struct tree_decl): Add debug_expr_is_from.
3562         (DECL_DEBUG_EXPR_IS_FROM): New.
3563         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3564         * dwarf2out.c (dwarf2out_var_location): Update to match.
3565         * tree-outof-ssa.c (create_temp): Likewise.
3566         * var-tracking.c (track_expr_p): Likewise.
3567         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3568         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3569         * toplev.c (default_tree_printer): Likewise.
3570
3571 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3572
3573         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3574         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3575
3576 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3577
3578         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3579         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3580         ASM_CLOBBERS): Add tree checks.
3581
3582         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3583         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3584         * c-common.def (SWITCH_STMT): Update to match.
3585         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3586         macros instead of SWITCH_EXPR ones.
3587         * c-dump.c (c_dump_tree): Likewise.
3588         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3589         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3590
3591         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3592
3593 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3594
3595         * unwind-dw2.c (execute_stack_op): Add missing cases for
3596         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3597
3598 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3599
3600         * config.gcc (Obsolete configurations): Remove 'dummy', add
3601         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3602         sparc-*-openbsd*.
3603
3604 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3605
3606         PR tree-optimization/19633
3607         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3608         CALL_EXPRs.
3609         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3610         are no call-clobbered variables.
3611         * tree-outof-ssa.c (check_replaceable): Return false for calls
3612         with side-effects.
3613
3614 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3615
3616         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3617         even for variables with NULL DECL_INITIAL.
3618
3619 2005-01-26  Stuart Hastings  <stuart@apple.com>
3620
3621         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3622
3623 2005-01-26  Richard Henderson  <rth@redhat.com>
3624
3625         PR middle-end/18008
3626         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3627         field's type.
3628         * expr.c (store_field): Strip conversions to odd-bit-sized types
3629         if the destination field width matches.
3630
3631 2005-01-26  Richard Henderson  <rth@redhat.com>
3632
3633         * c-decl.c, expmed.c, expr.c: Revert last change.
3634
3635 2005-01-26  Richard Henderson  <rth@redhat.com>
3636
3637         PR middle-end/18008
3638         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3639         field's type.
3640         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3641         if we don't need the bits above those present in the current mode.
3642         * expr.c (store_field): Strip conversions to odd-bit-sized types
3643         if the destination field width matches.
3644
3645 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3646
3647         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3648         either -ffast-math or -funsafe-math-optimizations is in use.
3649
3650 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3651
3652         PR target/19293
3653         PR target/19329
3654         * config/avr/avr.c (notice_update_cc): Only set condition code for
3655         ashrqi3 if shift count > 0.
3656         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3657         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3658         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3659         count <= 0 as a no-op, and shift count >= width by copying zero
3660         or sign bit to all bits of the result.
3661         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3662         count, with attribute "length" set to 0 and "cc" set to "none".
3663
3664 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3665
3666         * doc/invoke.texi: Document -mTLS.
3667
3668         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3669         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3670         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3671         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3672         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3673         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3674         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3675         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3676
3677         * configure.ac: Check for a TLS capable gas.
3678
3679         * configure: Regenerate.
3680
3681 2005-01-26  Richard Henderson  <rth@redhat.com>
3682
3683         PR middle-end/18008
3684         * combine.c (make_field_assignment): Simplify store to zero_extract
3685         from a source with an overlapping mask.
3686
3687 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3688
3689         2004-11-11  Eric Christopher  <echristo@redhat.com>
3690
3691         * config/frv/frv.md: Add fr400_integer automaton. Don't
3692         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3693         to TYPE_MACC.
3694
3695 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3696
3697         PR middle-end/16585
3698         * cfgbuild.c (make_edges): Do not clear or set
3699         current_function_has_computed_jump.
3700         * function.h (struct function): Remove the has_computed_jump field.
3701         (current_function_has_computed_jump): Do not define.
3702         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3703         in a computed jump.  Ignore current_function_has_computed_jump.
3704
3705 2005-01-26  Richard Henderson  <rth@redhat.com>
3706
3707         PR middle-end/19515
3708         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3709         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3710         fully initialized.
3711         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3712         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3713         objects into static storage if they have more than one non-zero value.
3714         * tree.h (categorize_ctor_elements): Update decl.
3715
3716 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3717
3718         PR middle-end/19616
3719         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3720         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3721         to this function from 2004-07-10.
3722         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3723         the current function for tail call optimizations if the address
3724         of one of it its arguments is taken.
3725
3726 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3727
3728         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3729
3730 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3731
3732         * function.c (expand_function_end): If current_function_calls_alloca,
3733         emit stack restore in a place that is reached when the function falls
3734         through at the end.
3735
3736 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3737
3738         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3739         rule to avoid matching inappropriate suffix rule.
3740
3741 2005-01-26  Jan Hubicka  <jh@suse.cz>
3742
3743         PR tree-optimization/19241
3744         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3745
3746 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3747
3748         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3749         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3750         of doubling.
3751         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3752         <sim*>: Always use crt1.o, regardless of N in simN.
3753         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3754         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3755         (CRT_CALL_STATIC_FUNCTION): Remove.
3756         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3757         use crt1.o, regardless of N in simN.
3758         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3759         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3760         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3761         case isystem setting.
3762         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3763
3764 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3765
3766         * gimple-low.c (block_may_fallthru): Correct handling of
3767         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3768
3769 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3770
3771         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3772         handlers to match indentation; nested under the mtune=* handler.
3773         Similar for mcpu= and march=.
3774
3775 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3776
3777         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3778         * config/mips/linux64.h (LIB_SPEC): Likewise.
3779         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3780         * config/sh/linux.h (LIB_SPEC): Likewise.
3781
3782 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3783
3784         * config/frv/frv.c (frv_legitimize_tls_address): New.
3785         (TARGET_HAVE_TLS): Define.
3786         (FRV_SYMBOL_REF_TLS_P): Define.
3787         (frv_override_options): Handle new register classes.
3788         (frv_legitimate_address_p): Reject tls addresses.
3789         (frv_legitimize_address): Handle TLS addresses.
3790         (gen_inlined_tls_plt): New.
3791         (gen_tlsmoff): New.
3792         (frv_legitimize_tls_address): New.
3793         (unspec_got_name): Add TLS entries.
3794         (got12_operand): Add R_FRV_TLSMOFF12 case.
3795         (frv_emit_move): Fixup TLS addresses.
3796         (frv_emit_movsi): Legitimize TLS addresses.
3797
3798         * config/frv/frv.h (MASK_BIG_TLS): New.
3799         (TARGET_BIG_TLS): New.
3800         (HAVE_AS_TLS): Define.
3801         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3802         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3803         (REG_CLASS_NAMES): Same.
3804         (REG_CLASS_CONTENTS): Same.
3805         (CONSTRAINT_LEN): New.
3806         (REG_CLASS_FROM_CONSTRAINT): New.
3807         (PREDICATE_CODES): Add symbolic_operand.
3808
3809         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3810         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3811         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3812         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3813         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3814         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3815         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3816         GR9_REG, GR14_REG, LRREG.
3817         (type): Add load_or_call attribute.
3818         ("load_or_call"): New reservation.
3819         ("call_gettlsoff"): New.
3820         ("tls_indirect_call"): New.
3821         ("tls_load_gottlsoff12"): New.
3822         ("tlsoff_hilo"): New.
3823         ("tls_tlsdesc_ldd"): New.
3824         ("tls_tlsoff_ld"): New.
3825         ("tls_lddi"): New.
3826
3827         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3828
3829         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3830
3831         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3832         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3833         * config/frv/frv.c (TLS_BIAS): Define.
3834         (frv_output_dwarf_dtprel): New.
3835
3836 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3837
3838         PR rtl-optimization/19579
3839         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3840         both A and B, see if they don't clobber registers the other expr uses.
3841
3842 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3843
3844         * real.c (do_add): Initialize signalling and canonical members.
3845
3846         * real.c (real_from_integer): Zero out destination.
3847
3848 2005-01-18  Jan Hubicka  <jh@suse.cz>
3849
3850         PR tree-optimize/19337
3851         * tree-inline.c (initialize_inlined_parameters): Copy
3852         saved_static_chain_decl only.
3853
3854 2005-01-25  Richard Henderson  <rth@redhat.com>
3855
3856         PR target/19556
3857         PR target/19584
3858         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3859         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3860         80387 enabled, to return a proper subclass.  Return the subset that
3861         overlaps with GENERAL_REGS for PLUS.
3862         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3863
3864 2005-01-25  Richard Henderson  <rth@redhat.com>
3865
3866         PR middle-end/19609
3867         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3868
3869 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3870
3871         * expmed.c (choose_multiplier): Change interface to return the
3872         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3873         (expand_divmod): Update calls to choose_multiplier.
3874
3875 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3876
3877         PR middle-end/19330
3878         * expmed.c (extract_bit_field): Use adjust_address instead of
3879         gen_lowpart when op0 is a MEM.
3880
3881 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3882
3883         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3884
3885 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3886
3887         * config/mips/irix-csr.c: New file.
3888         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3889         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3890         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3891         executables.
3892
3893 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3894
3895         PR bootstrap/19364
3896         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3897         sparc/elf.h, add sparc/sp-elf.h.
3898         (sparc-*-rtems*): Likewise.
3899         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3900         tm-dwarf2.h, add sparc/sp-elf.h.
3901         (sparc86x-*-elf): Likewise.
3902         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3903         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3904         TARGET_OS_CPP_BUILTINS.
3905         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3906         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3907         Undefine it.
3908         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3909         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3910         (SWITCH_TAKES_ARG): Likewise.
3911         (LOCAL_LABEL_PREFIX): Likewise.
3912         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3913         (TARGET_N_FORMAT_TYPES): Delete.
3914         (TARGET_FORMAT_TYPES): Likewise.
3915         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3916         * config/sparc/elf.h: Delete.
3917         * config/sparc/sp-elf.h: New file.
3918
3919 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3920
3921         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3922         * tree-flow.h: Remove the corresponding prototype.
3923         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3924         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3925
3926 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3927
3928         PR target/17751
3929         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3930         for AIX ABI or ELF -fPIC.
3931         (rs6000_emit_load_toc_table): Don't create toc_section here.
3932         (rs6000_xcoff_file_start): Nor here.
3933
3934 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
3935
3936         * sh.c (ra.h): Don't #include.
3937         (hard_regs_intersect_p): New function, resurrected from ra.c.
3938
3939         * sh.c: Fix 1996 Copyright.
3940
3941 2005-01-24  Richard Henderson  <rth@redhat.com>
3942             Aldy Hernandez  <aldyh@redhat.com>
3943
3944         * regrename.c (note_sets): Handle subregs.
3945
3946 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
3947
3948         PR bootstrap/18058
3949         * genconditions.c (write_header, write_conditions): Elide file if
3950         not GCC >= 3.0.1.
3951
3952 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3953
3954         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3955         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3956         Update copyright.
3957
3958 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3959
3960         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3961         expand_builtin_printf, expand_builtin_fprintf,
3962         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3963         checking against POINTER_TYPE.
3964         (validate_arglist): Handle POINTER_TYPE code by checking
3965         POINTER_TYPE_P.
3966
3967 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3968
3969         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3970         init_rtlanal): New.
3971         (for_each_rtx): Call for_each_rtx_1.
3972         * rtl.h (init_rtlanal): Declare.
3973         * toplev.c (backend_init): Call init_rtlanal.
3974
3975 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3976
3977         * flow.c (propagate_one_insn): Formatting.
3978
3979         PR middle-end/19551
3980         * flow.c (libcall_dead_p): Be more conservative if unsure.
3981         If there are any instructions between insn and call, see if they are
3982         all dead before saying the libcall is dead.
3983
3984 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3985
3986         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3987         operand constraint for operand 0.
3988
3989 2005-01-23  Richard Henderson  <rth@redhat.com>
3990
3991         PR 19486
3992         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3993         edges leading to join block.
3994
3995 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3996
3997         * expmed.c (expand_mult_highpart): Make static.  Change type of
3998         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3999         (expand_divmod): Updates calls to expand_mult_highpart by using
4000         gen_int_mode to pass a CONST_INT rtx.
4001         * rtl.h (expand_mult_highpart): Remove prototype.
4002
4003 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4004
4005         * flow.c (regset_bytes, regset_size): Remove.
4006
4007         * cfganal.c: Fix a reference to Harvey's paper.
4008
4009 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4010
4011         PR rtl-optimization/19464
4012         * tree-optimize.c (init_tree_optimization_passes): Add one more
4013         copyrename pass just before out-of-ssa.
4014
4015 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4016
4017         PR bootstrap/18058
4018         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4019         * ggc-none.c (ggc_free): Define.
4020
4021 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4022
4023         * cse.c (max_reg, max_insn_uid): Remove.
4024         (cse_main): Don't access max_reg or max_insn_uid.
4025
4026         * c-common.c (explicit_flag_signed_bitfields,
4027         lang_statement_code_p, lang_expand_function_end): Remove.
4028         * c-common.h: Remove the corresponding declarations.
4029         * c-opts.c (c_common_handle_option): Remove all write access
4030         to explicit_flag_signed_bitfields.
4031
4032         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4033         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4034         * cgraph.h: Remove the corresponding declaration.
4035
4036         * gcse.c (null_pointer_info): Remove.
4037
4038 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4039             Eric Botcazou  <ebotcazou@libertysurf.fr>
4040
4041         * combine.c (simplify_logical): Only simplify logical expressions
4042         of the form ior(and(x,y),z) by the inverse distributive law if the
4043         result is cheaper than the original.
4044
4045 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4046
4047         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4048         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4049         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4050         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4051         config/freebsd-spec.h, config/arm/arm.h,
4052         config/h8300/h8300.md, config/i386/i386.md,
4053         config/i386/predicates.md, config/i386/sse.md,
4054         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4055         config/vax/vax.md: Fix comment typos.  Follow spelling
4056         conventions.
4057
4058 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4059
4060         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4061         tests, instead of `less than'.
4062
4063 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4064
4065         * function.c (assign_parm_setup_block): When creating a new stack slot
4066         for a parameter, get its alignment from the parameter's DECL_ALIGN
4067         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4068         is at least word aligned.
4069
4070 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4071
4072         PR middle-end/19378
4073         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4074
4075 2005-01-22  Richard Henderson  <rth@redhat.com>
4076
4077         PR target/19506
4078         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4079         in both compare operands.
4080         (movdfcc_1_sse_max): Likewise.
4081         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4082         (movdfcc_1_sse): Likewise.
4083         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4084         scratch register as needed.
4085
4086 2005-01-22  Richard Henderson  <rth@redhat.com>
4087
4088         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4089
4090         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4091
4092 2005-01-22  Richard Henderson  <rth@redhat.com>
4093
4094         * genopinit.c (optabs): Use smin/smax for floating point too.
4095         * doc/md.texi: Update to match.  Clarify that floating point
4096         results are undefined for +0/-0 and NaN.
4097         * doc/rtl.texi: Likewise.
4098         * rtl.def (SMIN, SMAX): Likewise
4099         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4100
4101         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4102         leading 's' to the name.
4103         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4104         smaxxf3, sminxf3): Likewise.
4105         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4106         Likewise.
4107
4108 2005-01-22  Paul Brook  <paul@codesourcery.com>
4109
4110         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4111
4112 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4113
4114         * config/s390/s390.c (struct processor_costs): New fields
4115         dlgr, dlr, dr, dsgfr, dsgr.
4116         (z900_cost, z990_cost): Values for new fields.
4117         (s390_rtx_costs): New cases MEM und COMPARE in switch
4118         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4119         DIV, MOD, UDIV, UMOD.
4120
4121 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4122
4123         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4124         into the register being decremented.
4125         ("doloop_si31", "doloop_di"): Likewise.
4126         ("*doloop_si_long"): Adapt pattern.
4127
4128 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4129
4130         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4131         access registers.
4132         (CLASS_MAX_NREGS): Likewise.
4133
4134 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4135
4136         * doc/tree-ssa.texi (Statement Operands): Add example for new
4137         must-def macro. Note deprecation of old operands interface.
4138
4139 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4140
4141         PR tree-optimization/19484
4142         * tree-cfg.c (remove_fallthru_edge): New function.
4143         (cleanup_control_flow): Remove fallthru edges from calls that are
4144         now known not to return.
4145
4146 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4147
4148         Fix PR tree-optimization/19038
4149         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4150         copies with loop variant ones.
4151
4152 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4153
4154         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4155         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4156         config/alpha/alpha.md, config/alpha/predicates.md,
4157         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4158         config/sparc/sol2.h: Update copyright.
4159
4160         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4161         first label to see if it is a nonlocal label.
4162
4163 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4164             Andrew Pinski  <pinskia@physics.uc.edu>
4165
4166         PR target/19491
4167         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4168         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
4169
4170 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4171
4172         * config/rs6000/rtems.h: Update copyright.
4173
4174 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4175
4176         PR target/19548
4177         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4178         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4179         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4180
4181 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4182
4183         PR c/18809
4184         * c-typeck.c (convert_arguments): Check for error_mark_node.
4185
4186 2005-01-21  Ian Lance Taylor  <ian@airs.com>
4187
4188         PR tree-optimization/13000
4189         * tree-inline.c: Include "tree-flow.h".
4190         (expand_call_inline): If warn_return_type, warn if non-void inline
4191         function falls through.
4192         * tree-cfg.c (execute_warn_function_return): Don't warn about
4193         control reaching end if TREE_NO_WARNING is set.  Set
4194         TREE_NO_WARNING.
4195         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4196         has been lowered.
4197         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4198         branch if we don't need one.
4199         * c-typeck.c: Include "tree-flow.h"
4200         (c_finish_bc_stmt): Don't add a goto if the current statement
4201         list doesn't fall through to the current point.
4202
4203 2005-01-21  Roger Sayle  <roger@eyesopen.com>
4204
4205         PR rtl-optimization/576
4206         * real.c (real_arithmetic): Change return type from void to bool
4207         to return an indication that the result may be inexact.
4208         * real.h (real_arithmeric): Update prototype.
4209         * fold-const.c (const_binop):  Don't constant fold floating
4210         point expressions when the user specifies -frounding-math and
4211         the result may depend upon the run-time rounding mode.
4212         (fold_convert_const_real_from_real): Clean-up.
4213         (fold_initializer): Ignore flag_rounding_math for initializers.
4214         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4215         constant fold FP operations with flag_rounding_math if the
4216         result may depend upon the run-time rounding mode.
4217
4218 2005-01-21  Tom Tromey  <tromey@redhat.com>
4219
4220         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4221
4222 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4223
4224         * tree-cfg.c: Fix comment typos.
4225
4226 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4227
4228         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4229         around the call to rest_of_handle_branch_target_load_optimize.
4230
4231 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4232
4233         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4234         (sparc64-*-openbsd*): Likewise.
4235         (sparclite-*-elf*): Include tm-dwarf2.h.
4236         (sparc86x-*-elf*): Likewise.
4237         (sparc64-*-elf*): Likewise.
4238         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4239         (DBX_DEBUGGING_INFO): Likewise.
4240         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4241         (PREFERRED_DEBUGGING_TYPE): Likewise.
4242         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4243         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4244         (PREFERRED_DEBUGGING_TYPE): Likewise.
4245         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4246         (PREFERRED_DEBUGGING_TYPE): Likewise.
4247         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4248
4249 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4250
4251         PR target/18701
4252         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4253
4254 2005-01-20  Paul Brook  <paul@codesourcery.com>
4255
4256         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4257
4258 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4259
4260         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4261         label is first in a sequence of labels.
4262
4263         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4264
4265 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4266             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4267
4268         * doc/sourcebuild.texi (Test Directives): New.
4269
4270 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4271
4272         * real.c (real_floor): Don't leave the result uninitialized when
4273         mode is VOIDMode, but return the unrounded intermediate value.
4274         (real_ceil): Likewise.
4275
4276 2005-01-20  Paul Brook  <paul@codesourcery.com>
4277
4278         * config/arm/arm.md (insv): Use gen_int_mode.
4279
4280 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4281
4282         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4283         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4284         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4285         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4286         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4287
4288 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4289
4290         Fix PR debug/19124
4291         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4292         fbreg, so we have to assume we can't.
4293         (loc_descriptor_from_tree_1): Ditto.
4294         (containing_function_has_frame_base): New function.
4295         (add_location_or_const_value_attribute): Use it.
4296         Also try to generate a frame_base from a single element location
4297         list.
4298
4299 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4300
4301         PR tree-optimization/15349
4302         * timevar.def (TV_TREE_MERGE_PHI): New.
4303         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4304         PHI_WANTED.
4305         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4306         calls to tree_forwarder_block_p.
4307         (remove_forwarder_block_with_phi, merge_phi_nodes,
4308         gate_merge_phi, pass_merge_phi): New.
4309         * tree-optimize.c (init_tree_optimization_passes): Add
4310         pass_merge_phi.
4311         * tree-pass.h: Add an extern for pass_merge_phi;
4312
4313 2005-01-20  Richard Henderson  <rth@redhat.com>
4314
4315         PR target/19418
4316         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4317         (_mm_castps_pd, _mm_castps_si128): New.
4318         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4319
4320 2005-01-20  Richard Henderson  <rth@redhat.com>
4321
4322         PR target/19530
4323         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4324         __builtin_ia32_vec_init_v2si.
4325         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4326         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4327         (ix86_init_mmx_sse_builtins): Create it.
4328         (ix86_expand_builtin): Expand it.
4329         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4330         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4331         (vec_extractv2si_0, vec_extractv2si_1): New.
4332
4333 2005-01-20  Richard Henderson  <rth@redhat.com>
4334
4335         PR target/16533
4336         * config/i386/i386.c (ix86_expand_push): New.
4337         * config/i386/mmx.md (push<MMXMODE>1): New.
4338         * config/i386/sse.md (push<SSEMODE>1): New.
4339         * config/i386/i386-protos.h: Update.
4340
4341 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4342
4343         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4344         copyright.
4345
4346 2005-01-20  Richard Henderson  <rth@redhat.com>
4347
4348         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4349         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4350
4351 2005-01-19  Richard Henderson  <rth@redhat.com>
4352
4353         PR target/19350
4354         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4355         to V4SFmode in SSE1 fallback load path.
4356
4357 2005-01-19  Richard Henderson  <rth@redhat.com>
4358
4359         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4360         in QImode expansion to ix86_expand_vector_set.
4361         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4362
4363 2005-01-19  Richard Henderson  <rth@redhat.com>
4364
4365         PR target/19511
4366         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4367         subclass of the input class.
4368         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4369         Always true for cross-SSE1 classes.  Rationalize conditionals.
4370         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4371         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4372         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4373         (movdi_2): Add MMX/SSE zeros.
4374         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4375         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4376         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4377         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4378         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4379         (zero_extendsidi2_rex64_1): Remove.
4380         (MOV0 peephole): Check GENERAL_REG_P.
4381
4382 2005-01-19  Richard Henderson  <rth@redhat.com>
4383
4384         PR target/19427
4385         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4386         shufps elements.
4387         (ix86_expand_vector_extract): Likewise.
4388
4389 2005-01-19  Richard Henderson  <rth@redhat.com>
4390
4391         PR middle-end/19304
4392         * expr.c (emit_move_change_mode): New argument force; use
4393         simplify_gen_subreg if true.
4394         (emit_move_via_alt_mode): Merge into ...
4395         (emit_move_via_integer): ... here.
4396         (emit_move_ccmode): Use emit_move_change_mode directly.
4397
4398 2005-01-19  Richard Henderson  <rth@redhat.com>
4399
4400         PR target/19518
4401         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4402         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4403         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4404         rtl if true.
4405         (alpha_emit_set_const): Likewise.  Make static.
4406         (alpha_emit_set_long_const): Make static.
4407         (alpha_extract_integer): Split out from alpha_expand_mov.
4408         (alpha_split_const_mov): Likewise.
4409         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4410         (alpha_legitimate_constant_p): New.
4411         * config/alpha/alpha-protos.h: Update.
4412         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4413         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4414         * config/alpha/alpha.md (movsi): Add n alternative.
4415         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4416         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4417         (splitters for all of the above): Use alpha_split_const_mov.
4418         * config/alpha/predicates.md (non_add_const_operand): New.
4419         (non_zero_const_operand): New.
4420         (input_operand): Use alpha_legitimate_constant_p after reload.
4421
4422 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4423
4424         PR tree-optimization/19038
4425         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4426         (add_candidate): Add ivs with increment in latch only if
4427         allow_ip_end_pos_p is true.
4428         (determine_iv_cost): Use empty_block_p.
4429
4430 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4431
4432         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4433         (compute_dominance_frontiers): Ditto.
4434
4435 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4436
4437         PR target/19529
4438         * config/sh/t-rtems: New.
4439         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4440
4441 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4442
4443         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4444         the offset of the selected field.
4445
4446 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4447
4448         * tree-cfg.c (remove_forwarder_block): Fix the check to
4449         prevent a nonlocal label from appearing in the middle of a
4450         basic block.
4451
4452 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4453
4454         PR rtl-optimization/19462
4455         * reorg.c (find_end_label): Create return insn only if
4456         current_function_epilogue_delay_list is empty.
4457
4458 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4459
4460         * doc/passes.texi: Remove paragraph mentioning new-ra.
4461
4462 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4463
4464         PR rtl-optimization/15139
4465         * combine.c: Include params.h.
4466         (count_rtxs): New function.
4467         (record_value_for_reg): If replace_rtx would replace at least
4468         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4469         (clobber (const_int 0)) instead of TEM.
4470         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4471         * params.h (MAX_LAST_VALUE_RTL): New.
4472         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4473         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4474
4475         PR c/17297
4476         * c-typeck.c (digest_init): Only call build_vector if all constructor
4477         elements are *_CST nodes.
4478         * gimplify.c (gimplify_init_constructor): Likewise.
4479
4480         PR middle-end/19164
4481         * c-typeck.c (digest_init): Only call build_vector if inside_init
4482         is a CONSTRUCTOR.
4483
4484 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4485
4486         * toplev.c (init_asm_output): Remove dead #ifdef.
4487
4488 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4489
4490         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4491
4492 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4493
4494         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4495         accessing DECL_FUNCTION_CODE.
4496         * dojump.c (do_jump): Likewise.
4497         * gimplify.c (gimplify_call_expr): Likewise.
4498         * predict.c (expr_expected_value): Likewise.
4499         (strip_builtin_expect): Likewise.
4500         * tree-inline.c (estimate_num_insns_1): Likewise.
4501         * tree-ssa-loop-im.c (stmt_cost): Likewise
4502         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4503         (tree_expr_nonnegative_p): Likewise.
4504
4505 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4506
4507         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4508         variant of the load_pcrel_sym pattern.
4509         * config/sparc/sparc.md (P macro): Move to the top.
4510         (load_pcrel_sym): Macroize using P.
4511         (save_register_window): Likewise.
4512
4513 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4514
4515         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4516         ("sordered"): Same.
4517
4518 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4519
4520         PR C/19472
4521         * c-typeck.c (build_asm_expr): Strip nops off
4522         input memory operands.
4523
4524 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
4525
4526         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4527         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4528         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4529         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4530
4531 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
4532
4533         PR target/19379
4534         * config/i386/i386.c (override_options): If the 80387 is disabled,
4535         then do not return FP values using FP registers.
4536
4537 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
4538
4539         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4540         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4541         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4542         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4543         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4544         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4545         output.h, postreload-gcse.c, postreload.c, recog.c,
4546         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4547         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4548         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4549         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4550         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4551         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4552         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4553         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4554
4555         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4556         config/alpha/alpha.c, config/arm/vfp.md,
4557         config/i386/emmintrin.h, config/i386/i386-modes.def,
4558         config/i386/i386-protos.h, config/i386/i386.h,
4559         config/i386/pmmintrin.h, config/i386/ppro.md,
4560         config/i386/predicates.md, config/i386/xmmintrin.h,
4561         config/i860/i860.c, config/ia64/ia64-modes.def,
4562         config/ia64/ia64-protos.h, config/ia64/ia64.h,
4563         config/ia64/ia64.md, config/ia64/itanium1.md,
4564         config/ia64/itanium2.md, config/ia64/predicates.md,
4565         config/iq2000/iq2000.h, config/mips/linux64.h,
4566         config/rs6000/aix41.h, config/rs6000/aix43.h,
4567         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4568         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4569         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4570         config/sparc/linux64.h, config/sparc/litecoff.h,
4571         config/sparc/sp64-elf.h, config/sparc/sparc.c,
4572         config/sparc/sparc.h, config/sparc/sparc.md,
4573         config/sparc/sysv4-only.h: Update copyright.
4574
4575 2005-01-18  Richard Henderson  <rth@redhat.com>
4576
4577         PR target/19496
4578         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4579
4580 2005-01-18  Marc Espie  <espie@openbsd.org>
4581         * config/i386/openbsdelf.h: Typo.
4582
4583 2005-01-18  Richard Henderson  <rth@redhat.com>
4584
4585         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4586         special case for sse.
4587         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4588
4589 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4590
4591         * tree-inline.c (estimate_num_insns_1): Added cases for
4592         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4593
4594 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4595
4596         PR rtl-optimization/19296
4597         * combine.c (simplify_comparison): Rewrite the condition under
4598         which a non-paradoxical SUBREG of a PLUS can be lifted when
4599         compared against a constant.
4600
4601 2005-01-18  Andi Kleen <ak@muc.de>
4602
4603         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4604         * c.opt (-Wpointer-sign): Add.
4605         * doc/invoke.texi: (-Wpointer-sign): Add.
4606
4607 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4608
4609         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4610         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4611         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4612         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4613         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4614         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
4615         for TARGET_MIX_SSE_I387.
4616         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4617         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4618         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4619         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4620         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4621         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
4622         TARGET_MIX_SSE_I387.
4623         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4624         from expander.
4625
4626 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4627
4628         PR target/19424
4629         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4630         Add movaps alternative for xmm reg->reg move.
4631
4632 2005-01-17  Jeff Law  <law@redhat.com>
4633
4634         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4635         at the end of the main DOM loop rather than just before DOM exits.
4636
4637 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
4638
4639         PR tree-optimization/19121
4640         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4641         adding aliases to a name tag, also add them to the pointer's
4642         type tag.
4643         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4644         sensitive alias info at all.  Only check that the two pointers
4645         have compatible pointed-to sets.
4646         * tree-ssa.c (verify_name_tags): Verify that the alias set of
4647         a pointer's type tag is a superset of the alias set of the
4648         pointer's name tag.
4649
4650 2005-01-17  James E Wilson  <wilson@specifixinc.com>
4651
4652         PR target/19357
4653         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
4654         comment to document why.
4655
4656 2005-01-17  Richard Henderson  <rth@redhat.com>
4657
4658         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4659         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4660         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4661         sse2_vmsminv2df3_finite): New.
4662         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4663         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4664         Force op1 into register.
4665
4666 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
4667
4668         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4669         bubblestrap from always rebuilding build directory.
4670
4671 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
4672
4673         * config/s390/s390.md ("*clc"): Remove incorrect '='.
4674         ("*cmpmem_short"): Likewise.
4675
4676 2005-01-17  Steven Bosscher  <stevenb@suse.de>
4677
4678         * basic-block.h: Document BB_* flags.
4679         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4680         use an sbitmap instead.
4681         * sched-rgn.c (compute_trg_info): Likewise.
4682
4683 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
4684
4685         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
4686         redundant target_cpu_default and extra_parts lines.  Use the default
4687         "from-abi" ISA.
4688         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4689         (SUBTARGET_EXTRA_SPECS): Delete.
4690         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
4691         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4692         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4693         and "n32" for -mabi=n32.
4694
4695 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4696
4697         PR c/5675
4698         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4699         fold constant variables into initial values.
4700
4701 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4702
4703         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4704
4705         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4706         through the statements backward.
4707
4708 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4709
4710         PR middle-end/13127:
4711         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4712         a variable set to the return value of the inlined function.
4713
4714 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4715
4716         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4717         when modes are tieable.
4718
4719 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4720
4721         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4722         of pthread_create to find out if threads are enabled.
4723         * gthr-posix95.h (__gthread_active_p): Likewise.
4724
4725 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4726
4727         * common.opt (-fnew-ra): Remove.
4728         * ra*.*: Remove.
4729         * toplev.h (flag_new_regalloc): Remove.
4730         * Makefile.in (ra*.*): Don't mention.
4731         * passes.c (rest_of_handle_new_regalloc): Remove.
4732         (rest_of_handle_combine, rest_of_compilation): Always consider
4733         flag_new_regalloc as false.
4734         * doc/invoke.texi: Don't document -fnew-ra.
4735
4736 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4737
4738         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4739         last parameter to reg_scan.
4740         * loop.c (loop_optimize): Likewise.
4741         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4742         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4743         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4744         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4745         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4746         * regclass.c (reg_scan): Likewise, for the declaration.
4747         * rtl.h (reg_scan): Likewise, for the prototype.
4748
4749 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4750
4751         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4752         mark_dfs_back_edges.
4753
4754 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
4755
4756         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4757         (compute_avail): Uses don't go in tmp_gen.
4758
4759 2005-01-16  Steven Bosscher  <stevenb@suse.de>
4760
4761         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4762         loop to look for a free slot in a page entry.
4763
4764 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4765
4766         PR target/16304
4767         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4768         * toplev.c (compile_file): Call process_pending_assemble_output_defs
4769         just before targetm.asm_out.file_end.
4770         * tree.h (process_pending_assemble_output_defs): Declare.
4771         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4772         New functions.
4773         (assemble_alias): Defer generation of assembly code for defines when
4774         TARGET_DEFERRED_OUTPUT_DEFS is true.
4775         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4776         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4777         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4778
4779 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4780
4781         PR target/19336
4782         * pa.c (pa_scalar_mode_supported_p): New function.
4783         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4784         * pa.h (MIN_UNITS_PER_WORD): Add comment.
4785
4786         * pa-protos.h (prefetch_operand): Delete.
4787         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4788         * pa.c (prefetch_operand): Delete.
4789         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4790         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4791         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
4792         and prefetch_nocc_operand.
4793         * pa.md (prefetch): Rework to avoid reload problems handling short
4794         displacements when a cache control completer needs to be provided.
4795         (prefetch_32, prefetch_64): Delete.
4796         (prefetch_cc, prefetch_nocc): New patterns.
4797
4798 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
4799
4800         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4801
4802 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4803
4804         PR ada/19388
4805         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4806         exceeds maximum alignment for global common data.
4807         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4808         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4809
4810 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4811
4812         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4813
4814 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4815
4816         * harg-reg-set.h (reg_class_names): Prototype global array.
4817         * regclass.c (reg_class_names): Declare here and initialize to
4818         REG_CLASS_NAMES.
4819         (dump_regclass): Remove local declaration of reg_class_names.
4820         (regclass): Likewise.
4821         * cfg.c (dump_flow_info): Likewise.
4822         * ra-debug.c (reg_class_names): Likewise.
4823         * regrename.c (reg_class_names): Likewise.
4824         * reload.c (reg_class_names): Likewise.
4825         * reload1.c (spill_failure): Likewise.
4826         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4827
4828 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
4829
4830         * config/s390/s390.md ("reload_outti"): Remove predicate for
4831         output operand.  Abort if operand is not a MEM.
4832         ("reload_outdi", "reload_outdf"): Likewise.
4833
4834 2005-01-15  Marc Espie  <espie@openbsd.org>
4835
4836         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4837         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4838         * config/openbsd.h:  Fix C++ includes for native configurations.
4839         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
4840         Add trampoline support.
4841         * config/i386/openbsdelf.h: New.
4842
4843 2005-01-15  Marc Espie  <espie@openbsd.org>
4844
4845         * collect2.c (main): Explicitly parse -dynamic-linker option.
4846
4847 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
4848
4849         PR tree-optimization/19060
4850         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4851         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4852         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4853         and handle extract_range_from_cond returning false.
4854         * fold-const.c (fold): Optimize comparisons with min/max even for
4855         width > HOST_BITS_PER_WIDE_INT.
4856
4857 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
4858
4859         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4860         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4861         Remove little endian multilib variants.
4862         Add mips32 multilib variant.
4863
4864 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
4865
4866         * explow.c (copy_all_reg, stabilize): Remove.
4867         * expr.h: Remove the corresponding prototypes.
4868
4869         * rtlanal.c (regs_set_between_p): Remove.
4870         * rtl.h: Remove the corresponding prototype.
4871
4872 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
4873
4874         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4875         to rs6000_nonimmediate_operand.
4876         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4877         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4878         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4879         rs6000_nonimmediate_operand.
4880         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4881         rs6000_nonimmediate_operand.
4882
4883 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
4884
4885         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4886
4887 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4888
4889         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4890         on e500v2.
4891         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4892         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4893
4894         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4895         (rs6k_nonimmediate_operand): New.
4896         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4897         correctly.
4898         (legitimate_lo_sum_address_p): Same.
4899         (rs6000_legitimize_address): Same.
4900         (rs6000_legitimize_reload_address): Same.
4901         (rs6000_legitimate_address): Same.
4902         (spe_build_register_parallel): Pass DF and DC modes in a DI
4903         register.
4904
4905         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4906         to rs6k_nonimmediate_operand.
4907
4908         * config/rs6000/spe.md ("*frob_df_di"): New.
4909         ("*frob_di_df"): New.
4910         ("*frob_di_df_2"): New.
4911         ("*mov_sidf_e500_subreg0"): New.
4912         ("*mov_sidf_e500_subreg4"): New.
4913         ("*movdf_e500_double"): Change predicate to
4914         rs6k_nonimmediate_operand.
4915
4916 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4917
4918         * postreload.c (move2add_note_store): Only call
4919         trunc_int_for_mode on scalar integers.
4920
4921 2005-01-14  Steven Bosscher  <stevenb@suse.de>
4922
4923         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4924         replace BB_VISITED uses.
4925         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4926         (propagate_necessity): Check the bitmap instead of BB_VISITED.
4927         (tree_dce_done): Free visited_control_parents.
4928         (perform_tree_ssa_dce): Allocate and clear it.
4929         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4930         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
4931         instead of BB_VISITED.
4932
4933 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
4934
4935         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4936         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4937         Remove unused prototypes.
4938
4939 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4940
4941         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4942         64-bit register usage.
4943         (spe_func_has_64bit_regs_p): Add FIXME note.
4944
4945 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4946
4947         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4948         flag_finite_math_only with flag_unsafe_math_optimizations.
4949
4950 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
4951
4952         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4953         end-of-stack check.
4954         (__tpf_eh_return): Copy TPF private stack area from the module
4955         boundary stack frame.  Add check for when module addresses are
4956         equal, but no stub address is found.
4957
4958 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
4959
4960         PR target/7525
4961         * arm.h (struct machine_function): Add call_via field.
4962         (thumb_call_via_label): Declare.
4963         * arm.c (thumb_call_via_label): New variable.
4964         (thumb_call_reg_needed): New variable.
4965         (arm_output_function_epilogue): For Thumb code, output any per-function
4966         call-indirect trampolines.
4967         (thumb_call_via_reg): New function.
4968         (arm_file_end): New function.
4969         (TARGET_ASM_FILE_END): Call arm_file_end.
4970         (aof_file_end): Likewise.
4971         * arm-protos.h (thumb_call_via_reg): Declare.
4972         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4973         thumb_call_via_reg in normal case.
4974
4975 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
4976
4977         PR middle-end/19084
4978         PR rtl-optimization/19348
4979         * recog.c (peephole2_optimize): Do global life update if some peephole
4980         decides it doesn't need at least one of its inputs and that change
4981         influences liveness at the start of the basic block.
4982
4983         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4984         arguments instead of 1.
4985
4986 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
4987
4988         PR middle-end/18820
4989         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4990         zero for nested functions needing a static chain or functions
4991         with a non-constant address.
4992
4993 2005-01-13  Roger Sayle  <roger@eyesopen.com>
4994
4995         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4996         (and (sign_extend X) C) into (zero_extend (and X C)).
4997
4998 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
4999
5000         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5001
5002 2005-01-13  Richard Henderson  <rth@redhat.com>
5003
5004         PR target/19009
5005         PR target/19250
5006         PR target/19252
5007         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5008         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5009         not just TARGET_SSE.
5010         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5011         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5012         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5013         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5014         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5015         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5016         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5017         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5018         (movdicc_c_rex64): Rename with '*'.
5019         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5020         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5021         (movsfcc_1_387): Rename from movsfcc_1.
5022         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5023         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5024         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5025         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5026         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5027         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5028         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5029         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5030         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5031         sse_movdfcc_const0_4): Remove.
5032         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5033         recognize min/max early.  Update for changed sse cmove patterns.
5034         (ix86_split_sse_movcc): New.
5035         * config/i386/i386-protos.h: Update.
5036
5037 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5038
5039         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5040         (fix_stmt_v_may_defs): Likewise.
5041
5042 2005-01-13  Richard Henderson  <rth@redhat.com>
5043
5044         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5045         for converting the mask.
5046
5047 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5048
5049         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5050         definition to 600.
5051
5052 2005-01-13  Richard Henderson  <rth@redhat.com>
5053
5054         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5055         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5056         IX86_BUILTIN_MOVDQ2Q): Remove.
5057         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5058         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5059         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5060         shuffling.
5061         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5062         (sse2_pextrw): Fix immediate constraint.
5063         (sse2_loadq, sse2_loadq_rex64): Remove.
5064         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5065         Use __builtin_ia32_vec_ext_<size>.
5066         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5067
5068 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5069
5070         * function.c (assign_parm_setup_block): Look inside original
5071         entry_parm when inspecting PARALLEL.
5072
5073 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5074             Joel Sherrill  <joel@oarcorp.com>
5075
5076         PR target/19399
5077         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5078         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5079         rtems_gxx_recursive_mutex_init.
5080         (__gthread_recursive_mutex_lock): New function.
5081         (__gthread_recursive_mutex_trylock): Likewise.
5082         (__gthread_recursive_mutex_unlock): Likewise.
5083
5084 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5085
5086         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5087
5088 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5089
5090         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5091         (ashrti3_internal): Indicate output is early clobber. Generate result
5092         into output rather than first input. Use move for low word of output
5093         if shift count is exactly 64.
5094         (lshrti3_internal): Likewise.
5095
5096 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5097
5098         PR target/18329
5099         PR target/18330
5100         * reload1.c (delete_output_reload): Don't delete an output reload
5101         if the pseudo lives longer than a single basic block.  Adjust and
5102         improve wording of comment.
5103
5104 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5105
5106         PR target/19334
5107         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5108         of TYPE_SIZE where we mean the number of bytes.
5109
5110 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5111
5112         * function.c (assign_parm_setup_block): Relax condition on
5113         multi-register optimization.
5114
5115 2005-01-12  Nick Clifton  <nickc@redhat.com>
5116
5117         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5118         an "in_delay_slot" attribute of "no" to prevent them being used in
5119         delay slots.  This is forbidden because they might generate
5120         exceptions.
5121
5122 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5123
5124         PR target/19389
5125         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5126         with r->Y and Y->r.
5127
5128 2005-01-12  Nick Clifton  <nickc@redhat.com>
5129
5130         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5131         passed on to GAS) but do not define, as GAS no longer supports or
5132         needs the -m2000 option.
5133
5134 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5135
5136         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5137         type as args of unprototyped builtins aren't automatically promoted.
5138         (fold_builtin_abs): Likewise.
5139
5140 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5141
5142         * Makefile.in: Set a `build-warn' variable.
5143
5144 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5145
5146         PR tree-optimization/17949
5147         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5148         (find_interesting_uses_address): Use it.
5149
5150 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5151
5152         * regrename.c (kill_value): Handle subreg's that won't simplify.
5153
5154 2005-01-11  Richard Henderson  <rth@redhat.com>
5155
5156         PR target/13366
5157         * config/i386/i386.h (enum ix86_builtins): Move ...
5158         * config/i386/i386.c: ... here.
5159         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5160         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5161         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5162         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5163         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5164         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5165         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5166         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5167         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5168         IX86_BUILTIN_LOADDDUP): Remove.
5169         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5170         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5171         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5172         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5173         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5174         (ix86_init_builtins): Make static.
5175         (ix86_init_mmx_sse_builtins): Update for changed builtins.
5176         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5177         if all the modes match.  Otherwise, fake it.
5178         (get_element_number, ix86_expand_vec_init_builtin,
5179         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5180         (ix86_expand_builtin): Make static.  Update for changed builtins.
5181         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5182         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
5183         (ix86_expand_vector_init_duplicate): New.
5184         (ix86_expand_vector_init_low_nonzero): New.
5185         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5186         Split out from ix86_expand_vector_init; handle integer modes.
5187         (ix86_expand_vector_init): Use them.
5188         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5189         * config/i386/i386-protos.h: Update.
5190         * config/i386/predicates.md (reg_or_0_operand): New.
5191         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5192         (movv2sf_internal): Likewise.  And a splitter to match them all.
5193         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5194         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5195         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5196         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5197         (mmx_pinsrw): Fix operand ordering.
5198         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5199         rather than sse_loadss expander.
5200         (movv2df splitter): Similarly.
5201         (sse_loadss, sse_loadlss): Remove.
5202         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5203         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5204         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5205         (sse3_movddup): Rename with '*'.
5206         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5207         (sse2_loadsd): Remove.
5208         (vec_dupv2df_sse3): Rename from sse3_loadddup.
5209         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5210         (sse2_pinsrw): Fix argument ordering.
5211         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5212         (sse2_stored): Remove 'r' destination.
5213         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5214         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5215         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5216         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5217         vec_extractv16qi, vec_initv16qi): New.
5218
5219         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5220         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5221         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5222         constructor form.
5223         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5224         (_mm_load_si128, _mm_store_si128): Likewise.
5225         (_mm_load1_pd): Use _mm_set1_pd.
5226         (_mm_load_sd): Use _mm_set_sd.
5227         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5228         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5229         (_mm_set_epi64): Use _mm_set_epi64x.
5230         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5231         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5232         _mm_setr_epi8): Use _mm_set_foo form.
5233         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5234         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5235         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5236         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5237         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5238         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5239         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5240         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5241         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5242         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5243         (_mm_movedup_pd): Use _mm_shuffle_pd.
5244         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5245         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5246         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5247         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5248         Use _mm_setzero_ps.
5249         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5250         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5251         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5252         (_mm_store_ps): Use raw dereference.
5253         (_mm_store1_ps): Use _mm_storeu_ps.
5254         (_mm_storer_ps): Use _mm_store_ps.
5255         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5256         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5257
5258 2005-01-11  Stan Shebs  <shebs@apple.com>
5259
5260         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5261         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5262
5263 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5264
5265         PR target/18761
5266         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5267         Skip all DECLs except for FIELD_DECLs.
5268
5269 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5270
5271         * config/s390/s390.c (override_options): Return error if
5272         -mbackchain, -mpacked-stack and -mhard-float are used together.
5273         (s390_va_start): Remove the backchain && packed-stack special case.
5274         (s390_gimplify_va_arg): Likewise.
5275         * doc/invoke.texi: Remove the ABI incompatibility note.
5276
5277 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5278
5279         * config/s390/s390.c (struct s390_frame_layout): Remove
5280         save_backchain_p.
5281         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5282         save_backchain_p with TARGET_BACKCHAIN.
5283
5284 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5285
5286         PR target/18916
5287         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5288         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5289         * function.c (locate_and_pad_parm): Set new field.
5290         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5291         Tweak where_pad test to include "none".  Always set mem align for
5292         stack_parm.
5293         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5294         not sufficient for type.
5295         (assign_parm_setup_block): If stack_parm is zero on entry, always
5296         make a new stack local.  Block move old stack parm if necessary
5297         to new aligned stack local.
5298         (assign_parm_setup_stack): Use a block move to handle
5299         potentially misaligned entry_parm.
5300         (assign_parms_unsplit_complex): Specify required alignment when
5301         creating stack local.
5302         * calls.c (compute_argument_addresses): Override alignment of stack
5303         arg calculated from its type with the alignment given by
5304         FUNCTION_ARG_BOUNDARY.
5305         (store_one_arg): Likewise.
5306
5307 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5308
5309         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5310         Change respective itanium_class attribute to ialu.
5311         (shladdp4_internal): New.
5312         * config/ia64/predicates.md (shladd_log2_operand): New.
5313
5314 2005-01-11  Richard Henderson  <rth@redhat.com>
5315
5316         * expr.c (store_constructor): Use rtvec_alloc instead of
5317         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5318
5319 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5320
5321         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5322
5323 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5324
5325         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5326         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5327         (TARGET_RWRELOC): Define.
5328         (ia64_rwreloc_section_type_flags): Delete.
5329         (ia64_section_type_flags): New function.
5330         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5331         (TARGET_RWRELOC): Define.
5332
5333 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5334
5335         PR target/18987
5336         * config/ia64/ia64.c (process_set): For alloc insn, only call
5337         process_epilogue is !frame_pointer_needed.
5338
5339 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5340
5341         PR c++/19355
5342         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5343         unary operator and can't be treated as a binary/comparison operator.
5344
5345 2005-01-10  Richard Henderson  <rth@redhat.com>
5346
5347         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5348         (ix86_return_in_memory): Likewise.
5349         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5350         for choosing register to advance.
5351
5352 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5353
5354         * tree-vectorizer.c, tree.def: Fix comment typos.
5355
5356 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5357
5358         * config/s390/s390.c (struct processor_costs): 4 new fields:
5359         ddbr, ddr, debr, der.
5360         (s390_rtx_costs): More precise handling of divide instructions.
5361
5362 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5363
5364         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5365
5366 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5367
5368         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5369         names resulting from -ffunction-sections/-fdata-sections and linkonce
5370         ones.
5371         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5372         based on the section name. Rearrange the section name comparison logic
5373         slightly so that each section name is compared against at most once.
5374
5375 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5376
5377         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5378         targets for which -fPIC reduces limitations on the GOT size.
5379
5380 2005-01-09  Falk Hueffner  <falk@debian.org>
5381
5382         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5383         X/C1 cmpop C2.
5384
5385 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5386
5387         PR target/18720
5388         * collect2.c (main): Set aixrtl_flag for -brtl option.
5389         (resolve_lib_name): Search for .so file extension before .a
5390         if aixrtl_flag set.
5391
5392 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5393
5394         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5395         (vect_analyze_data_refs_alignment): Add dump prints.
5396
5397 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5398
5399         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5400         expr_invariant_in_loop_p.
5401         Initialize outputs first thing in the function.
5402         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5403         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5404         (vect_analyze_pointer_ref_access): Check that the initial condition of
5405         the access function is loop invariant.
5406
5407 2005-01-09  Richard Henderson  <rth@redhat.com>
5408
5409         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5410         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5411         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5412         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5413         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5414         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5415         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5416         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5417         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5418         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5419         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5420         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5421         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5422         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5423         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5424         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5425         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5426         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5427         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5428         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5429         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5430         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5431         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5432         mmx_ prefix.
5433         (mmx_clrdi, pavgusb): Remove.
5434         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5435         with leading sse_ prefix.
5436         * config/i386/sse.md: Receive them.
5437         * config/i386/mmx.md: New file.
5438         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5439         (subrv2sf3): Turn into expander for normal subtraction.
5440         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5441         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5442         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5443         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5444         commutative; use ix86_binary_operator_ok.
5445         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5446         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5447         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5448         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5449         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5450         Macroize from existing patterns; use ix86_binary_operator_ok.
5451         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5452         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5453         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5454         with vec_select+vec_concat.
5455         (mmx_pshufw, mmx_pshufw_1): Likewise.
5456         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5457         (mmx_uavgv4hi3): Model correctly.
5458         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5459         _mm_xor_si64): Remove casts.
5460
5461 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5462
5463         PR tree-optimization/19224
5464         * tree-scalar-evolution.c (get_instantiated_value,
5465         set_instantiated_value): New functions.
5466         (instantiate_parameters_1): Cache the results.
5467         (instantiate_parameters, resolve_mixers): Initialize and free
5468         the cache.
5469
5470 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5471
5472         * config/i386/i386.md (addhi_4): Correct reference in comment.
5473         (addqi_4): Same.
5474
5475 2005-01-08  Richard Henderson  <rth@redhat.com>
5476
5477         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5478         (_mm_cvtsi128_si64x): Likewise.
5479         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5480         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5481         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5482         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5483         * config/i386/i386-protos.h: Update.
5484         * config/i386/i386.c (print_operand): Add 'H'.
5485         (ix86_fixup_binary_operands): Split out from ...
5486         (ix86_expand_binary_operator): ... here.
5487         (ix86_fixup_binary_operands_no_copy): New.
5488         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5489         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5490         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5491         (safe_vector_operand): Use CONST0_RTX.
5492         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5493         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5494         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5495         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5496         special cases.
5497         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5498         (IX86_BUILTIN_CMPNGESS): New.
5499         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5500         (attr type): Add sselog1.
5501         (attr unit, attr memory): Handle it.
5502         (movti, movti_internal, movti_rex64): Move near other integer moves.
5503         (movtf, movtf_internal): Move near other fp moves.
5504         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5505         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5506         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5507         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5508         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5509         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5510         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5511         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5512         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5513         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5514         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5515         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5516         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5517         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5518         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5519         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5520         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5521         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5522         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5523         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5524         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5525         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5526         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5527         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5528         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5529         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5530         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5531         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5532         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5533         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5534         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5535         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5536         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5537         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5538         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5539         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5540         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5541         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5542         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5543         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5544         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5545         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5546         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
5547         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5548         same time.
5549         (SSEPUSH, push<SSEPUSH>): Remove.
5550         (MMXPUSH, push<MMXPUSH>): Remove.
5551         (sse_movaps, sse_movaps_1, sse_movups): Remove.
5552         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5553         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5554         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5555         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5556         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5557         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5558         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5559         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5560         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5561         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5562         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
5563         (ppro_sse_log_V4SF): Handle sselog1.
5564         * config/i386/predicates.md (const_0_to_1_operand): New.
5565         (const_0_to_255_mul_8_operand): New.
5566         (const_1_to_31_operand): Rename from const_int_1_31_operand.
5567         (const_2_to_3_operand, const_4_to_7_operand): New.
5568         * config/i386/sse.md: New file.
5569         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5570         (sse_movups): Rename from sse_movups_1.
5571         (sse_loadlss): Rename from sse_loadss_1.
5572         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5573         from the name.
5574         (negv4sf2): Use ix86_expand_fp_absneg_operator.
5575         (absv4sf2, negv2df, absv2df): New.
5576         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5577         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5578         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5579         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5580         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5581         (sse3_addsubv4sf3): Model correctly.
5582         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5583         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5584         (sse_movhlps): Model with vec_select+vec_concat.
5585         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5586         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5587         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5588         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5589         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5590         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5591         sse2_pshufhw_1): Likewise.
5592         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5593         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5594         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5595         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5596         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5597         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5598         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5599         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5600         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5601         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5602         sminv8hi3): Mark commutative
5603         operands.  Use ix86_binary_operator_ok.
5604         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5605         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5606         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5607         sse2_punpcklqdq): Allow operand2 in memory.
5608         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5609         sse2_movsd): Add memory alternatives.
5610         (sse_storelps): Turn expander into an insn; split after reload.
5611         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5612         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5613
5614 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5615
5616         * configure.ac (DWARF-2 debug_line): Use objdump.
5617         * configure: Regenerate.
5618
5619 2005-01-08  Jeff Law  <law@redhat.com>
5620             Diego Novillo  <dnovillo@redhat.com>
5621
5622         PR tree-optimization/18241
5623         * tree-nrv.c (tree_nrv): Ignore volatile return values.
5624         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5625         statements with volatile operands.
5626         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5627         operands after marking a statement with has_volatile_ops.
5628
5629 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5630
5631         * tree.c (int_fits_type_p): Always honor integer constant
5632         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5633
5634 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5635
5636         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5637         the latent bug in rtl_delete_block has been resolved.
5638
5639 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5640
5641         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5642         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5643
5644 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5645
5646         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5647         library as @multilib_dir@/$(SHLIB_SONAME).
5648
5649 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5650
5651         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5652         * configure: Regenerate.
5653
5654 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5655
5656         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5657         TYPE_MODE.
5658
5659 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
5660
5661         PR target/13674
5662         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5663         Convert non-word aligned offset address using ld/std into
5664         indirect address.
5665
5666 2005-01-07  Richard Henderson  <rth@redhat.com>
5667
5668         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5669
5670 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
5671
5672         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5673
5674 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5675
5676         PR tree-optimization/19283
5677         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5678         is not shorter than the original type.
5679
5680         PR rtl-optimization/19012
5681         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5682
5683         PR rtl-optimization/18861
5684         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5685         (FULL_STATE): Define.
5686         (mark_tablejump_edge): New function.
5687         (purge_dead_tablejump_edges): New function.
5688         (find_bb_boundaries): Use it.
5689
5690         PR tree-optimization/18828
5691         * builtins.c (expand_builtin_next_arg): Remove argument and all
5692         the argument checking.
5693         (expand_builtin): Adjust caller.
5694         (expand_builtin_va_start): Likewise.  Remove error for too many
5695         arguments.
5696         (fold_builtin_next_arg): Issue error for too many arguments.
5697         After checking arguments, replace them with magic arguments that
5698         prevent further checking of the args.
5699
5700 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5701
5702         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5703
5704 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5705
5706         PR target/6077
5707         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5708         and %{.S:...} (and their negative variants) to test whether the
5709         input file is assembler or pre-processed-assembler independent of
5710         the actual filename extension.
5711
5712 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5713
5714         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5715         of sign or zero extended values.
5716
5717 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5718
5719         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5720         for IBM long double format correctly.
5721
5722 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5723
5724         Fix PR tree-optimization/18792
5725
5726         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5727         to first_loop_depth, and use loop depth instead of loop number.
5728         (build_classic_dir_vector): Ditto.
5729         (compute_data_dependences_for_loop): Use depth, not loop number.
5730         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5731         number. Pass in loops, instead of loop numbers.
5732         (gather_interchange_stats): Ditto.
5733         (linear_transform_loops): Ditto.
5734
5735 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5736
5737         PR rtl-opt/13299
5738         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5739         biv_fits_mode_p, extension_within_bounds_p): New functions.
5740         (check_ext_dependent_givs): Use them.
5741
5742 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5743
5744         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5745         more than one barrier, in which case we should delete them all.
5746
5747 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5748
5749         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5750
5751 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
5752
5753         Fix PR middle-end/19286
5754         Fix PR debug/19267
5755         * dwarf2out.c (gen_subprogram_die): If we've already tried to
5756         output this subprogram, simply ignore this attempt to do it again.
5757         (add_abstract_origin_attribute): Don't abort trying to add the abstract
5758         origin attribute if it's not possible.
5759         (gen_block_die): Don't ignore subblocks of "unused" blocks.
5760         (decls_for_scope): Ditto.
5761         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5762         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5763
5764 2005-01-05  Richard Henderson  <rth@redhat.com>
5765
5766         PR target/11327
5767         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5768         (bdesc_2arg): Use it.
5769         (ix86_expand_binop_builtin): Force operands into registers
5770         when optimizing.
5771         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5772         ix86_expand_sse_compare, ix86_expand_sse_comi,
5773         ix86_expand_builtin): Likewise.
5774
5775 2005-01-05  Richard Henderson  <rth@redhat.com>
5776
5777         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5778         and VEC_SELECT.
5779         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5780         (mulv4hi3): Set itanium_class mmmul.
5781         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5782         (fpack): Rename from fpack_sfsf.
5783
5784 2005-01-05  Richard Henderson  <rth@redhat.com>
5785
5786         PR rtl-opt/10692
5787         * reload1.c (do_input_reload): Restrict the optimization deleteing
5788         a previous output reload to RELOAD_FOR_INPUT.
5789
5790 2005-01-05  Steven Bosscher  <stevenb@suse.de>
5791
5792         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
5793         comment that we fall through after case.
5794         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5795         (distribute_links): Likewise.
5796         * cse.c (cse_insn): Likewise.
5797         * cselib.c (cselib_invalidate_mem): Likewise.
5798         * df.c: Update comments at the top of the file.
5799         (read_modify_subreg_p): Update comments here too.
5800         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5801         * flow.c (mark_set_1): Likewise.
5802         (mark_used_regs): Likewise.
5803         * gcse.c (mems_conflict_for_gcse_p): Likewise.
5804         (canon_list_insert): Likewise.
5805         (mark_set): Likewise.
5806         (try_replace_reg): Likewise.
5807         (store_killed_in_insn): Likewise.
5808         * loop.c (count_one_set): Likewise.
5809         (basic_induction_var): Likewise.
5810         * postreload-gcse.c (find_mem_conflicts): Likewise.
5811         * postreload.c (reload_combine_note_store): Likewise.
5812         (move2add_note_store): Likewise.
5813         * reload.c (find_equiv_reg): Likewise.
5814         (mark_referenced_resources): Likewise.
5815         * rtlanal.c (set_noop_p): Likewise.
5816         (note_stores): Likewise.
5817         (note_uses): Likewise.
5818         * sched-deps.c (sched_analyze_1): Likewise.
5819         * sched-rgn.c (check_live_1): Likewise.
5820         (update_live_1): Likewise.
5821         * config/i860/i860.c: Likewise.
5822
5823         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5824         an lvalue.
5825         (ZERO_EXTRACT): Mention that this one can be an lvalue.
5826
5827         * doc/rtl.texi: Update documentation for bit-fields and SET.
5828
5829 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5830
5831         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5832
5833 2005-01-05  Jan Hubicka  <jh@suse.cz>
5834             Richard Henderson  <rth@redhat.com>
5835
5836         PR target/18910
5837         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5838         with an offset.
5839
5840 2005-01-05  Richard Henderson  <rth@redhat.com>
5841
5842         PR target/12902
5843         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5844         (sse_shufps): Change operand 3 to const_int_operand.
5845         (sse2_storelps): Fix typo in template.
5846         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5847         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5848         (ix86_expand_builtin): Likewise.
5849
5850 2005-01-05  Julian Brown  <julian@codesourcery.com>
5851
5852         * config/arm/arm.c (arm_return_in_memory): Treat complex types
5853         as aggregates for AAPCS ABIs.
5854
5855 2005-01-05  Stan Shebs  <shebs@apple.com>
5856
5857         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5858         Mach-O getters if ppc64.
5859         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5860         size argument.
5861         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5862         signed four-byte field for global code case.
5863         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5864
5865 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5866
5867         PR middle-end/19100
5868         * c-common.c: Include real.h.
5869         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5870         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5871         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5872         * Makefile.in (c-common.o): Update dependencies.
5873
5874 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5875
5876         * c-parse.in (asm_string): Add trailing semicolon.
5877
5878 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5879
5880         * c-parse.in (asm_string): New.  Don't allow wide strings in
5881         'asm'.
5882         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5883         asm_string instead of STRING.
5884
5885 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5886
5887         * c-typeck.c (constructor_no_implicit): Remove.
5888         (set_designator, process_init_element): Don't check
5889         constructor_no_implicit.
5890
5891 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
5892             Kaz Kojima  <kkojima@gcc.gnu.org>
5893
5894         PR target/16482
5895         * lcm.c (create_pre_exit): New.
5896         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5897         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
5898
5899 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5900
5901         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5902         -msoft-float in target_float_switch.
5903         * arm.c (arm_override_options): Fix processing of target_float_switch.
5904
5905 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5906
5907         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5908         preferencing.
5909
5910 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
5911
5912         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5913         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5914
5915 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5916
5917         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5918         if deleting the then-block allows the test-block to fallthru to the
5919         else-block.
5920
5921 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
5922
5923         PR c/19152
5924         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5925         after the full declaration if the are in two different TUs.
5926
5927 2005-01-04  Richard Henderson  <rth@redhat.com>
5928
5929         PR tree-opt/19158
5930         * tree-sra.c (generate_one_element_init): Just
5931         call gimplify_and_add.
5932         (generate_element_init): Record the
5933         new referenced variables and mark them for renaming
5934         and split out to ...
5935         (generate_element_init_1): This.
5936         (scalarize_init): Don't call push_gimplify_context/
5937         pop_gimplify_context.
5938
5939 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
5940
5941         * toplev.c (get_src_pwd): Handle failure of getpwd().
5942
5943 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5944
5945         * fold-const.c (fold_single_bit_test): Delete unreachable handling
5946         of TRUTH_NOT_EXPR.
5947         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5948         all the cases handled by it are inverted by invert_truthvalue.
5949
5950 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5951
5952         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5953         (save_register_windowsi): Likewise.
5954
5955 2005-01-04  Richard Henderson  <rth@redhat.com>
5956
5957         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5958
5959 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5960
5961         PR middle-end/17767
5962         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5963         any simplifications of vector mode comparison operators.
5964         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5965
5966 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
5967             Devang Patel  <dpatel@apple.com>
5968
5969         PR tree-optimization/18308
5970         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5971         the operands before creating a new expression.
5972         * dojump.c (do_jump): Make drop_through_label available
5973         for all cases.  Add expansion of COND_EXPR.
5974
5975 2005-01-04  Ira Rosen  <irar@il.ibm.com>
5976
5977         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5978         INTEGER_CST instead of TREE_CONSTANT.
5979         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5980         instead of TREE_CONSTANT.
5981         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5982         instead of TREE_CONSTANT.
5983
5984 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5985
5986         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5987
5988 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5989
5990         PR target/19240
5991         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5992         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5993
5994 2005-01-03  Richard Henderson  <rth@redhat.com>
5995
5996         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5997         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5998         fold_convert_const_real_from_real): Split out from ...
5999         (fold_convert_const): ... here.
6000
6001 2005-01-03  Richard Henderson  <rth@redhat.com>
6002
6003         PR target/19235
6004         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6005         (mov<MMXMODEI>_internal): Likewise.
6006         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6007         Add V2SF case; use it for SSE1; don't use TI.
6008         (movdf_integer): Likewise.
6009         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6010
6011 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6012
6013         * tree-vectorizer.c (vect_strip_conversions): New function.
6014         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6015         check for binary class.
6016
6017 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6018
6019         Fix PR debug/17924
6020         Fix PR debug/19191
6021         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6022         is a decl.
6023         * gimple-low.c (mark_blocks_with_used_vars): New function.
6024         (mark_blocks_with_used_subblocks): Ditto.
6025         (mark_used_blocks): Ditto.
6026         (pass_mark_used_blocks): New pass.
6027         * tree-inline.c: Include debug.h.
6028         (expand_call_inline): Call outlining_inline_function here.
6029         * tree-optimize.c (init_tree_optimization_passes): Add
6030         pass_mark_used_blocks.
6031         * tree-pass.h (pass_mark_used_blocks): New.
6032         * Makefile.in (tree-inline.o): Add debug.h dependency.
6033
6034 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6035
6036         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6037         VAR_DECLs to have weak_import attribute.
6038
6039         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6040         'struct ucontext'.
6041
6042 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6043
6044         * passes.c (rest_of_compilation): Don't run regmove if only
6045         flag_expensive_optimizations, require flag_regmove instead.
6046
6047 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6048
6049         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6050         register "sparc".
6051         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6052         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6053         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6054         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6055
6056 2005-01-03  Richard Henderson  <rth@redhat.com>
6057
6058         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6059         (ia64_const_ok_for_letter_p): New.
6060         (ia64_const_double_ok_for_letter_p): New.
6061         (ia64_extra_constraint): New.
6062         (ia64_expand_vecint_compare): New.
6063         (ia64_expand_vcondu_v2si): New.
6064         (ia64_expand_vecint_cmov): New.
6065         (ia64_expand_vecint_minmax): New.
6066         (ia64_print_operand): Add 'v'.
6067         (ia64_preferred_reload_class): New.
6068         (ia64_vector_mode_supported_p): New.
6069         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6070         (PREFERRED_RELOAD_CLASS): Move to function.
6071         (CONST_OK_FOR_LETTER_P): Move to function.
6072         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6073         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6074         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6075         (EXTRA_CONSTRAINT): Move to function.
6076         * config/ia64/ia64.md: Include vect.md.
6077         (itanium_class): Add mmalua.
6078         (type): Handle it.
6079         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6080         (1b_mmalua): New.
6081         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6082         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6083         CONST0_RTX.
6084         (const_int_2bit_operand): New.
6085         (fr_reg_or_0_operand): New.
6086         * config/ia64/ia64-modes.def: Add vector modes.
6087         * config/ia64/ia64-protos.h: Update.
6088         * config/ia64/vect.md: New file.
6089
6090 2005-01-03  Richard Henderson  <rth@redhat.com>
6091
6092         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6093
6094 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6095
6096         PR target/19236
6097         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6098         to SFmode.
6099         (log1pdf2): Change mode of operands[0,1] to DFmode.
6100
6101 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6102
6103         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6104         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6105         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6106         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6107         SPARC_RELAXED_ORDERING.
6108
6109 2005-01-03  Richard Henderson  <rth@redhat.com>
6110             Uros Bizjak  <uros@kss-loka.si>
6111
6112         PR target/14631
6113         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6114         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6115         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6116         handling.
6117         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6118         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6119         const_pow2_1_to_128_operand): New predicates.
6120
6121 2005-01-02  Greg McGary  <greg@mcgary.org>
6122
6123         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6124         anonymous decls.
6125         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6126         object.  [ptr_type]: Remove unused variable.
6127         Remember nearest addressable array-element or record-component
6128         when checking bitfield components.  Tolerate empty BIND_EXPR.
6129
6130 2005-01-01  Richard Henderson  <rth@redhat.com>
6131
6132         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6133         that don't narrow the value.  Fail for other conversions.
6134
6135 2005-01-01  Richard Henderson  <rth@redhat.com>
6136
6137         PR c/19031
6138         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6139         * c-lang.c (finish_file): Don't do it here.
6140         * objc/objc-act.c (objc_finish_file): Likewise.
6141
6142         * cgraph.c (decl_assembler_name_equal): New.
6143         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6144         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6145         * cgraph.h (struct cgraph_varpool_node): Add next.
6146         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6147         * varasm.c (assemble_alias): Mark the target as needed.
6148
6149 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6150
6151         PR middle-end/19221
6152         * function.c (get_arg_pointer_save_area): Use entry_of_function
6153         instead of get_insns.
6154
6155 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6156             Andrew Pinski  <pinskia@physics.uc.edu>
6157             James E. Wilson  <wilson@specifixinc.com>
6158
6159         PR rtl-optimization/12092
6160         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6161         is zero.
6162
6163 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6164             Olivier Hainque  <hainque@act-europe.fr>
6165
6166         * tree.c (int_fits_type_p): A narrower type always fits in a
6167         wider one, except for negative values into unsigned types.
6168
6169 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6170
6171         * tree.c (int_fits_type_p): Compare the result of force_fit_type
6172         with the original constant rather than require TREE_OVERFLOW.
6173
6174 2005-01-01  Steven Bosscher  <stevenb@suse.de>
6175
6176         PR middle-end/17544
6177         * c-decl.c (finish_function): If compiling C99, annotate the
6178         compiler generated return with the current file name and line 0.
6179         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6180         the source line is greater than 0.
6181         (remove_bb): Likewise.
6182
6183 See ChangeLog.12 for earlier changes.