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