1 2005-03-11 James A. Morrison <phython@gcc.gnu.org>
3 PR tree-optimization/20130
4 * fold-const.c (fold): Fold x * -1 into -x.
6 2005-03-11 Kaz Kojima <kkojima@gcc.gnu.org>
8 PR rtl-optimization/20331
9 * rtlanal.c (modified_between_p): Check its address first for MEM.
10 (modified_in_p): Likewise.
12 2005-03-11 Joseph S. Myers <joseph@codesourcery.com>
14 * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
16 2005-03-10 Steven Bosscher <stevenb@suse.de>
18 * expr.c (expand_expr_real_1): If possible, use a conditional
19 move for expanding MIN_EXPR and MAX_EXPR.
20 Use temp for moving around rtx-en.
22 2005-03-10 Andrew Pinski <pinskia@physics.uc.edu>
25 * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
28 2005-03-10 Roger Sayle <roger@eyesopen.com>
30 * builtins.c (expand_builtin_signbit): Extend to handle floating
31 point modes wider than the largest integer type, using the
32 operand_subword_force function to obtain the signbit's word.
34 2005-03-10 Jakub Jelinek <jakub@redhat.com>
37 * combine.c (try_combine): If recog_for_combine added CLOBBERs
38 to NEWI2PAT, fail to combine if they are used by NEWPAT.
40 2005-03-10 Aldy Hernandez <aldyh@redhat.com>
42 * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
44 2005-03-10 Kazu Hirata <kazu@cs.umass.edu>
46 * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
48 (perform_edge_inserts): Unconditionally call
51 * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
53 2005-03-10 Bob Wilson <bob.wilson@acm.org>
55 * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
57 2005-03-10 Nathan Sidwell <nathan@codesourcery.com>
59 * bitmap.c (bitmap_copy): Remove manual loop unrolling.
61 * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
63 (rtl_register_value_prof_hooks,
64 tree_value_profile_transformations,
65 tree_register_value_prof_hooks): Likewise.
66 * var-tracking.c (stack_adjust_offset_pre_post,
67 variable_htab_free, variable_union, dataflow_set_different_2,
68 count_uses, variable_was_changed, set_frame_base_location,
69 set_variable_part, emit_note_insn_var_location, vt_emit_notes,
70 vt_add_function_parameters): Likewise.
71 * varasm.c (named_section_real, named_section, make_decl_rtl,
72 asm_emit_uninitialised, assemble_integer, decode_addr_const,
73 const_hash_1, compare_constant, copy_constant, force_const_mem,
74 output_constant_pool_2, output_constant_pool_1, output_constant,
75 output_constructor, make_decl_one_only, decl_tls_model,
76 default_no_named_section, default_elf_select_section_1,
77 default_unique_section_1): Likewise.
78 * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
79 * vmsdbgout.c (addr_const_to_string): Likewise.
82 * function.c (struct assign_parm_data_one): Remove last_named
84 (assign_parm_find_data_types): Don't determine last_named.
85 Reorder named_parm determination.
86 (assign_parms): Only setup varargs on the last non-varadic
89 2005-03-10 Kazuhiro Inaoka <inaoka.lazuhiro@renesas.com>
91 * config/m32r/m32r.md (load_sda_base_32): New pattern. Loads
92 sda base address on medium model.
94 2005-03-10 Zdenek Dvorak <dvorakz@suse.cz>
96 * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
97 * cfgloop.c (flow_loop_nodes_find): Export.
98 * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
100 * cfgloopmanip.c (fix_loop_structure): New function.
101 * predict.c (predict_loops): Clean up the loops information.
102 * tree-cfg.c (cleanup_tree_cfg_loop): New function.
103 (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
105 * tree-flow.h (cleanup_tree_cfg_loop): Declare.
106 (rewrite_into_loop_closed_ssa): Declaration changed.
107 * tree-loop-linear.c (linear_transform_loops): Add argument to
108 rewrite_into_loop_closed_ssa call.
109 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
110 * tree-ssa-loop-im.c (move_computations): Ditto.
111 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
112 * tree-vectorizer.c (vectorize_loops): Ditto.
113 * tree-optimize.c: Include cfgloop.h.
114 (execute_todo): Choose whether to call cleanup_tree_cfg or
115 cleanup_tree_cfg_loop.
116 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
117 (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
118 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
119 cleanup_tree_cfg_loop call.
120 * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
121 (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
124 2005-03-10 Jakub Jelinek <jakub@redhat.com>
127 * gimplify.c (gimplify_asm_expr): Handle input/output constraints
128 with multiple alternatives.
130 * stmt.c (parse_output_constraint): Fix a typo.
132 2005-03-09 Bob Wilson <bob.wilson@acm.org>
134 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
135 assembly directive instead of deprecated "no-generics".
137 2005-03-09 Ulrich Weigand <uweigand@de.ibm.com>
139 * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
140 for non-offsettable memory references to cope with outstanding reload
142 * config/s390/s390.md ("reload_outti"): Call find_replacement to
143 avoid losing outstanding address reloads.
144 ("reload_outdi", "reload_outdf"): Likewise.
146 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
148 * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
149 code. Add more cbrt transformations.
151 2005-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
153 * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
155 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
157 * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
158 NULL_TREE when a given tree is not simplified.
159 (fold): Return the original tree when any of the functions
160 mentioned above NULL_TREE.
162 * fold-const.c (fold_unary, fold_binary): Take decomposed
163 arguments, code, type, op0, and op1 in case of fold_binary.
164 (fold): Update calls to fold_unary and fold_binary.
166 2005-03-09 Roger Sayle <roger@eyesopen.com>
168 * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
169 a fndecl and an arglist instead of a CALL_EXPR, exp.
171 2005-03-09 Kazu Hirata <kazu@cs.umass.edu>
173 * cfglayout.c (fixup_reorder_chain): Remove old_bb.
175 * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
177 * expr.c (expand_assignment): Remove orig_to_rtx.
179 * fold-const.c (int_const_binop): Remove no_overflow.
181 * ifcvt.c (noce_emit_move_insn): Remove inmode.
183 * loop-iv.c (get_biv_step_1): Remove lhs.
185 * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
187 * real.c (real_nan): Remove neg.
189 * function.c (thread_prologue_and_epilogue_insns): Remove i
192 * tree-data-ref.c (array_base_name_differ_p): Remove ta and
195 * tree-eh.c (tree_could_trap_p): Remove idx.
197 * tree-into-ssa.c (ann): Remove ann.
199 * tree-outof-ssa.c (num_nodes): Remove num_nodes.
201 * tree-sra.c (decide_block_copy): Remove inst_count.
203 * tree-ssa-alias.c (may_alias_p): Remove v_ann.
205 * tree-ssa-loop-im.c (lhs): Remove.
207 * cfgbuild.c (state, STATE, SET_STATE,
208 BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
210 (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
211 (find_basic_blocks): Set the state of each basic block to
214 2005-03-08 Jeff Law <law@redhat.com>
216 * tree-cfg.c (cleanup_control_flow): If removal of a computed
217 goto results in the removal of edges in the CFG, then we need
218 to recompute dominators.
220 2005-03-09 Ben Elliston <bje@au.ibm.com>
222 * c-common.c (c_do_switch_warnings): Comment fix.
224 2005-03-08 Julian Brown <julian@codesourcery.com>
226 * Patch from 2005-03-08 reverted for causing regressions and
227 ppc-darwin bootstrap failure.
229 2005-03-08 Fariborz Jahanian <fjahanian@apple.com>
231 * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
232 Define the real function for ppc-darwin.
233 * c-typeck.c (convert_arguments): Check for target-specific
234 invalid argument call to unprototyped function.
235 * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
237 * target.h (invalid_arg_for_unprototyped_fn): New field
239 * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
241 * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
244 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
246 * c-typeck.c (constructor_stack, constructor_range_stack,
247 initializer_stack): Make them static.
249 * cfg.c (rbi_pool): Make it static.
251 * gimple-low.c (lower_stmt_body): Make it static.
252 * tree-flow.h: Remove the corresponding prototype. Don't
255 * sched-deps.c (cache_size): Make it static.
257 * stor-layout.c (lang_adjust_rli): Make it static.
259 2005-03-08 Julian Brown <julian@codesourcery.com>
261 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
262 from being used for symbols with vague linkage when
263 HAVE_GAS_COMDAT_GROUP is true.
265 2005-03-08 J"orn Rennecke <joern.rennecke@st.com>
267 * jump.c (invert_jump_1): Don't call redirect_jump_1 with
268 nlabel == JUMP_LABEL (jump).
270 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
272 * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
273 gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
274 tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
275 tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
277 2005-03-08 Alexey Neyman <alex.neyman@auriga.ru>
280 * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
281 * c-common.c (handle_returns_twice): New function.
282 (c_common_attribute_table): Declare eturns_twice' attribute.
283 * doc/extend.texi: Document eturns_twice' attribute.
284 * tree.h (DECL_IS_RETURNS_TWICE): New macro.
285 (struct tree_decl): Add returns_twice_flag.
287 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
289 * tree-ssa-phiopt.c: Fix a comment typo.
291 * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
292 loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
293 config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
296 2005-03-08 Richard Henderson <rth@redhat.com>
298 * config/alpha/alpha.c (code_for_builtin): Replace special-case
299 builtin codes with ctzdi2, clzdi2, popcountdi2.
300 (struct alpha_builtin_def): Add is_const.
301 (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
302 (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
303 (alpha_init_builtins): Init them. Set nothrow and const attributes
305 (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
306 alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
307 alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
308 alpha_fold_vector_minmax, alpha_fold_builtin_perr,
309 alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
310 alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
311 alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
312 alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
313 (TARGET_FOLD_BUILTIN): New.
314 * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
315 (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
317 (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
319 2005-03-08 Ira Rosen <irar@il.ibm.com>
321 PR tree-optimization/20122
322 * tree-vect-analyze.c (vect_object_analysis): Analyze initial
323 condition of access function instead of base.
325 2005-03-07 Jeff Law <law@redhat.com>
326 Steven Bosscher <stevenb@suse.de>
328 * tree-cfg.c (find_taken_edge_computed_goto): New function.
329 (find_taken_edge): Call find_taken_edge_computed_goto as
330 appropriate. Allow any gimple invariant rather than just
332 (cleanup_control_flow): Cleanup a computed goto which has turned
334 (tree_merge_blocks): If block B has any forced labels, move
335 them to the start of block A.
336 * tree-ssa-dom.c (thread_across_edge): Allow threading across
337 computed gotos as well.
338 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
339 removal of unnecessary computed gotos too.
340 (lookup_redirection_data): Fix type of INSERT argument. Callers
343 2005-03-08 Kazu Hirata <kazu@cs.umass.edu>
345 * tree-ssa-phiopt.c: Update copyright. Fix indentations.
346 Remove trailing spaces.
348 * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
349 unshare_all_trees): Make them static.
350 * tree-gimple.h: Remove the corresponding prototypes.
352 * diagnostic.h: Remove unused prototype
354 * modulo-sched.c: Remove unused prototype
355 set_row_column_for_ps.
357 * tree-ssa-phiopt.c (tree_ssa_phiopt,
358 replace_phi_edge_with_variable): Remove unused variable i.
360 2005-03-07 Per Bothner <per@bothner.com>
362 * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
364 2005-03-06 Andrew Pinski <pinskia@physics.uc.edu>
367 * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
368 bbs on the COND_EXPR instead of the PHI_NODEs.
369 (candidate_bb_for_phi_optimization): Remove.
370 (replace_phi_with_stmt): Rename to ...
371 (replace_phi_edge_with_variable): this and change so that we
372 replace the phi argument instead of removing the PHI.
373 (conditional_replacement): Change so we deal with PHI with more
375 (value_replacement): Likewise.
376 (abs_replacement): Likewise.
378 2005-03-07 Aldy Hernandez <aldyh@redhat.com>
380 * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
381 output_e500_flip_gt_bit.
383 * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
385 (rs6000_generate_compare): Fix logic to look at the correct bits.
386 (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
388 (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
389 gen_e500_flip_gt_bit. Rename gen_move_from_CR_eq_bit to
390 gen_move_from_CR_gt_bit.
392 * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
393 ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
394 (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
396 * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
397 (E500_CR_IOR_COMPARE): New constant.
399 2005-03-08 Earl Chew <earl_chew@agilent.com>
400 David Billinghurst <David.Billinghurst@riotinto.com>
402 * config/i386/host-cygwin.c: New file to support precompiled
404 * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
405 * config.host: Use above files for cygwin host.
407 2005-03-07 David Edelsohn <edelsohn@gnu.org>
409 * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
410 ordering ops from earlier change.
412 2005-03-07 Per Bothner <per@bothner.com>
414 Various fixes to allow us to again build if --enable-mapped-location:
415 * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
416 unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
417 * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
418 local variable loc. Change logic appropriately.
419 * tree-vect-transform.c (vect_finish_stmt_generation): Use
420 EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
421 * c-parser.c (c_parser_for_statement): Initialize loc variable.
422 * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
423 DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
425 2005-03-07 Richard Sandiford <rsandifo@redhat.com>
427 PR rtl-optimization/19683
428 * reload1.c (choose_reload_regs): Pass the number of bits, not the
429 number of bytes, to smallest_int_for_mode. Fix arguments to
430 REG_CANNOT_CHANGE_MODE_P.
432 2005-03-07 Eric Botcazou <ebotcazou@libertysurf.fr>
434 * reorg.c (relax_delay_slots): Check that the jump is
435 conditional before trying to invert it.
437 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
439 * bb-reorder.c (max_entry_frequency, max_entry_frequency):
442 * calls (stack_arg_under_construction): Make it static.
444 * flow.c (regs_live_at_setjmp): Make it static.
445 * flow.h: Remove the corresponding prototype.
447 * reload1.c (reload_startobj, reload_firstobj,
448 something_needs_operands_changed, reload_inherited,
449 reload_inheritance_insn, reload_override_in,
450 reload_spill_index): Make them static.
452 * recog.c (verify_changes): Make it static.
453 * recog.h: Remove the corresponding prototype.
455 * cfgbuild.c (find_sub_basic_blocks): Remove.
456 * basic-block.h: Remove the corresponding prototype.
457 * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
459 * doc/cfg.texi: Don't mention find_sub_basic_blocks.
461 * tree-ssa-operands.c (check_build_stmt): Remove.
463 * stor-layout.c (set_alignment): Remove.
464 * tree.h: Remove the corresponding prototype.
466 * tree-ssa-pre.c (has_abnormal_preds): Make it static.
468 * tree-ssa-dce.c (control_dependence_map,
469 visited_control_parents): Make them static.
471 * cfghooks.c (verify_flow_info): Remove local variable
474 * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
477 * loop-unswitch.c (unswitch_loop): Remove local variable src.
479 2005-03-07 David Billinghurst <David.Billinghurst@riotinto.com>
481 * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
483 2005-03-07 Joseph S. Myers <joseph@codesourcery.com>
485 * config/ia64/hpux.h (LINK_SPEC): Add -z.
486 * config/ia64/ia64.c (ia64_function_value): Return a REG not a
487 PARALLEL for an empty structure.
489 2005-03-07 Kazu Hirata <kazu@cs.umass.edu>
491 * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
493 * fold-const.c (fold_binary): Unroll the very first "for"
496 2005-03-06 David Edelsohn <edelsohn@gnu.org>
498 * config/rs6000/predicates.md (branch_comparison_operator): Remove
499 redundant match_code test.
500 (scc_comparison_operator): Swap match_operand and match_code
502 (branch_positive_comparison_operator): Same.
503 (trap_comparison_operator): Use comparison_operator and swap with
506 2005-03-06 Marek Michalkiewicz <marekm@amelek.gda.pl>
509 * config/avr/avr.c (print_operand): Add 'p' and 'r'.
510 (out_movhi_r_mr): Read low byte of volatile MEM first.
511 (out_movhi_mr_r): Write high byte of volatile MEM first.
513 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
515 * cselib.c (reg_values, reg_values_size): Make them static.
517 * cse.c (cse_reg_info_table): Make it static.
519 * fold-const.c (fold_unary): Use build1 instead of copy_node.
521 2005-03-06 Zdenek Dvorak <dvorakz@suse.cz>
523 * cse.c (find_best_addr): Use canon_for_address.
525 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
527 * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
528 (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
529 SUBREG and MEM, respectively.
531 * fold-const.c (fold_binary): Use code instead of t.
533 * fold-const.c (optimize_minmax_comparison): Take decomposed
534 arguments code, type, op0, and op1 instead of t.
535 (fold_binary): Update a call to optimize_minmax_comparison.
537 * fold-const.c (fold_range_test): Take decomposed arguments
538 code, type, op0, and op1 instead of t.
539 (fold_binary): Update a call to fold_range_test.
541 * fold-const.c (fold_binary_op_with_conditional_arg): Take
542 decomposed arguments code, type, op0, and op1 instead of t.
543 (fold_binary): Update a call to fold_range_test.
545 2005-03-06 Kazu Hirata <kazu@cs.umass.edu>
547 * fold-const.c (fold_binary): Avoid directly using the original
548 expression t as much as possible.
550 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
552 * c-semantics.c (build_stmt): Use TYPE_P instead of
553 IS_NON_TYPE_CODE_CLASS.
554 * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
555 (NON_TYPE_CHECK): Use TYPE_P instead of
556 IS_NON_TYPE_CODE_CLASS.
558 * fold-const.c (fold): Remove handling of binary expressions.
560 2005-03-05 James A. Morrison <phython@gcc.gnu.org>
562 * doc/c-tree.texi: Wrap comments in @r{}.
563 * doc/cpp.texi: Likewise.
564 * doc/cppinternals.texi: Likewise.
565 * doc/extend.texi: Likewise.
566 * doc/md.texi: Likewise.
567 * doc/objc.texi: Likewise.
568 * doc/sourcebuild.texi: Likewise.
569 * doc/tm.texi: Likewise.
572 2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
574 * predict.c (apply_return_prediction): Standardize PHI chain
576 * tree-ssa.c (ssa_redirect_edge): Likewise.
578 * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
579 gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
582 * tree-phinodes.c (remove_phi_node): Drop the last argument.
583 * tree-flow.h: Adjust the prototype for remove_phi_node.
584 * lambda-code.c (perfect_nestify): Adjust a call to
587 (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
588 * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
590 * tree-ssa-dce.c (remove_dead_phis): Likewise.
591 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
592 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
593 * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
595 * combine.c (simplify_and_const_int): Use gen_int_mode instead
596 of GEN_INT (trunc_int_for_mode (...)).
597 * loop-iv.c (iv_number_of_iterations): Likewise.
598 * postreload.c (reload_cse_move2add): Likewise.
599 * simplify-rtx.c (simplify_const_unary_operation,
600 simplify_const_binary_operation): Likewise.
601 * stor-layout.c (get_mode_bounds): Likewise.
603 * fold-const.c (fold_binary): New.
604 (fold): Call fold_binary on binary expressions.
606 2005-03-05 Richard Sandiford <rsandifo@redhat.com>
608 * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
609 * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
610 (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
611 (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
612 (ASM_SPEC): Pass down -msym32 and -mno-sym32.
614 2005-03-04 Devang Patel <dpatel@apple.com>
616 PR tree-optimization/18815
617 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
618 loops with zero exit edges.
620 2005-03-04 Devang Patel <dpatel@apple.com>
622 * doc/invoke.texi: Remove reference to webpage that does not exist.
624 2005-03-04 John David Anglin <dave.danglin@nrc-cnrc.gc.ca>
625 Joseph S. Myers <joseph@codesourcery.com>
628 * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
629 (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
630 * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
631 * pa.c (get_plabel): Change argument to symbol_ref. Call
632 maybe_get_identifier instead of get_identifier.
633 (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
634 (struct deferred_plabel): Replace name field with symbol field.
635 (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
636 ASM_OUTPUT_EXTERNAL_REAL is defined.
637 (output_global_address): Use output_addr_const for output of all
639 (output_deferred_plabels): Use symbol_ref instead of name for address
641 * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
642 ASM_OUTPUT_SYMBOL_REF): New macros.
643 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw. Update
645 (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
648 2005-03-05 Joseph S. Myers <joseph@codesourcery.com>
650 * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
651 *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
653 2005-03-04 Jeff Law <law@redhat.com>
655 * basic-block.h (rediscover_loops_after_threading): Declare.
656 * tree-ssa-dom.c: Include cfgloop.h.
657 (tree_ssa_dominator_optimize): Discover loops and some basic
658 properties. Remove forwarder blocks recreated by loop header
659 canonicalization. Also mark backedges in the CFG.
660 * tree-ssa-threadupdate.c: Include cfgloop.h
661 (rediscover_loops_after_threading): Define.
662 (struct local_info): New field, JUMP_THREADED.
663 (prune_undesirable_thread_requests): New function.
664 (redirect_edges): Clear EDGE_ABNORMAL. If edges were threaded
665 then record that fact for the callers of redirct_edges.
666 (thread_block): If BB has incoming backedges, then call
667 prune_undesirable_thraed_requests. Note when we are
668 going to have to rediscover loop information. Return a
669 boolean indicating if any jumps were threaded.
670 (thread_through_all_blocks): Bubble up boolean indicating
671 if any jumps were threaded.
672 * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
673 (tree-ssa-threadupdate.o): Similarly.
675 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
677 * fold-const.c (fold_ternary): Unroll the "for" loop to
680 2005-03-04 Andrew Haley <aph@redhat.com>
682 * unwind-dw2-fde-glibc.c (struct
683 unw_eh_callback_data.check_cache): New field.
684 (frame_hdr_cache): New.
685 (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
686 Cache frame header info.
688 2005-03-04 Richard Sandiford <rsandifo@redhat.com>
690 * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
691 (print_c_condition): Declare.
692 * read-rtl.c (ptr_loc): New structure.
693 (ptr_locs, ptr_loc_obstack, joined_conditions)
694 (joined_conditions_obstack): New variables.
695 (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
696 (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
697 (join_c_conditions, print_c_condition): New functions.
698 (apply_macro_to_string): Associate the new string with the same
699 source location as the old one.
700 (add_condition_to_string): Use join_c_conditions.
701 (read_string): Use set_rtx_ptr_loc to record a filename and line
702 number for the string.
703 (read_rtx): Initialize the new variables above.
704 * genattrtab.c (write_test_expr, write_attr_value): Use
706 * genconditions.c (write_header): Don't define MAYBE_EVAL. Move its
707 comment above the GCC_VERSION check.
708 (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
709 Inline the definition of MAYBE_EVAL.
710 * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
711 * genoutput.c (process_template): Likewise.
712 * genpreds.c (write_predicate_subfunction): Likewise.
713 (write_predicate_expr): Use print_c_condition.
714 * genrecog.c (write_cond): Likewise.
715 * gensupport.c (process_rtx): Use join_c_conditions to join the
716 conditions of a define_insn_and_split. Record a source location
717 for the string after the "&&".
718 (alter_test_for_insn): Use join_c_conditions.
720 2005-03-04 Andrew Pinski <pinskia@physics.uc.edu>
723 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
724 PR tree-optimization/15784
725 * fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
728 2005-03-04 Ben Elliston <bje@au.ibm.com>
730 * gcc.c (option_map): Add --coverage.
731 (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
732 (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
733 * config/darwin.h: Pass -lgcov for `coverage'.
734 * doc/invoke.texi (Debugging Options): Document --coverage.
736 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
738 * gcse.c (bypass_block): Use find_edge wherever possible.
740 2005-03-03 Daniel Berlin <dberlin@dbrelin.org>
744 * c-opts.c (c_common_parse_file): Call start_source_file
745 and end_source_file at the approriate times.
747 * dwarf2out.c (dwarf2out_finish): Don't auto-end
748 the main file, it will be done for us now.
750 2005-03-04 Kazu Hirata <kazu@cs.umass.edu>
752 * fold-const.c (fold_ternary): New.
753 (fold): Call fold_ternary on ternary expressions. Remove
754 handling of ternary expressions.
756 2005-03-03 James A. Morrison <phython@gcc.gnu.org>
758 PR tree-optimization/15784
759 * fold-const.c (fold): Fold ~A + 1 to -1. Fold -A - 1
762 2005-03-03 David Edelsohn <edelsohn@gnu.org>
764 * config/rs6000/predicates.md (branch_comparison_operator):
765 Convert from C block to conditional format.
767 2005-03-03 Jan Hubicka <jh@suse.cz>
769 * tree-dfa.c (add_referenced_var): Don't walk initializer of external
770 and non-constant public variables.
772 2005-03-03 Kazu Hirata <kazu@cs.umass.edu>
774 * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
777 * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
780 * tree-phinodes.c (remove_phi_node): Clean up by factoring out
781 calls to release_ssa_name and release_phi_node.
783 * fold-const.c (fold): Remove handling of unary expressions.
785 * fold-const.c (fold_unary): Avoid directly using the original
786 expression t as much as possible.
788 2005-03-03 Roger Sayle <roger@eyesopen.com>
789 Andrew Pinski <pinskia@physics.uc.edu>
791 * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
792 RETURN rtx, and not a LABEL_REF containing a NULL pointer.
794 2005-03-03 Hans-Peter Nilsson <hp@axis.com>
796 Describe special registers SRP and MOF as allocatable registers.
797 * config/cris/cris.c (cris_md_asm_clobbers): New function.
798 (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
799 (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
800 TARGET_HAS_MUL_INSNS.
801 (cris_print_operand) <case 'd'>: New case.
802 <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
803 * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
805 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
806 (REG_ALLOC_ORDER): Update for MOF.
807 (enum reg_class): New members MOF_REGS, GENERAL_REGS and
809 (GENERAL_REGS): No longer a define of ALL_REGS.
810 (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
811 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
813 (CRIS_SPECIAL_REGS_CONTENTS): New macro.
814 (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
815 (SECONDARY_RELOAD_CLASS): Define.
816 (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
817 (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
818 (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
819 (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
820 (REGISTER_MOVE_COST): Define.
821 (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
822 * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
823 (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
824 (CRIS_MOF_REGNUM): New define_constants.
825 ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
827 ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
829 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
830 ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
831 Adjust for MOF being properly described as a register.
832 (indir_to_reg_split): Name this split. Conditionalize on the
833 destination register being a general register.
834 (movei): Conditionalize on on operands 0 and 1 having the same
837 2005-03-03 Alan Modra <amodra@bigpond.net.au>
840 * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
841 -mcpu to override any other explicitly given flags.
843 2005-03-02 J"orn Rennecke <joern.rennecke@st.com>
845 * recog.c (verify_changes, confirm_change_group): New functions,
846 broken out of apply_change_group.
847 (apply_change_group): Use them.
848 * recog.h (verify_change, confirm_change_group): Declare.
849 * rtl.h (redirect_jump_2): Declare.
850 * jump.c (redirect_exp, invert_exp): Delete.
851 (invert_exp_1): Take second parameter. Return value. Changed caller.
852 (redirect_jump_2): New function, broken out of redirect_jump.
853 (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
854 (invert_jump): Use invert_jump_1 and redirect_jump_2.
855 * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
857 2005-03-02 Geoffrey Keating <geoffk@apple.com>
859 * varasm.c (named_section): Use xstrdup rather than doing it by
862 * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
864 2005-03-02 Devang Patel <dpatel@apple.com>
866 Undo PR tree-optimization/18815 fix.
868 2005-03-02 Devang Patel <dpatel@apple.com>
870 PR tree-optimization/18815
871 * tree-if-conv.c (combine_blocks): Adjust loop header edges for
872 loops with zero exit edges.
874 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
876 * cfg.c (connect_src, connect_dest, disconnect_src,
877 disconnct_dest): New.
878 (unchecked_make_edge, remove_edge, redirect_edge_succ,
879 redirect_edge_pred): Use the new functions.
881 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
882 free_dominance_info only when needed.
884 2005-03-02 David Edelsohn <edelsohn@gnu.org>
887 * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
888 (reg_or_sub_cint64_operand): Same.
890 2005-03-02 Jeff Law <law@redhat.com>
892 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
893 CFG_ALTERED in the main DOM iteration loop.
895 2005-03-02 Mark Mitchell <mark@codesourcery.com>
898 * varasm.c (initializer_constant_valid_p): Allow conversions
899 between OFFSET_TYPEs. Tidy.
901 2005-03-02 Hans-Peter Nilsson <hp@axis.com>
903 * config/cris/cris.md ("return"): Remove epilogue delay list
906 2005-03-02 Daniel Jacobowitz <dan@codesourcery.com>
908 * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
910 * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
912 2005-03-02 Kazu Hirata <kazu@cs.umass.edu>
914 * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
915 loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
916 config/m68k/m68k.c, config/mips/mips.h,
917 config/rs6000/rs6000-protos.h, doc/contrib.texi,
918 doc/include/gcc-common.texi: Update copyright.
920 PR middle-end/18029 and PR middle-end/18030
921 * expr.c (optimize_bitfield_assignment_op): Add a special case
922 to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
924 * fold-const.c (fold_unary): New.
925 (fold): Call fold_unary on unary expressions.
927 2005-03-02 Richard Guenther <rguenth@gcc.gnu.org>
929 * cgraph.h (struct cgraph_edge): Add prev_caller and
931 (cgraph_node_remove_callees): Export.
932 * cgraph.c (cgraph_create_edge): Initialize prev_caller
934 (cgraph_edge_remove_callee): New function.
935 (cgraph_edge_remove_caller): Likewise.
936 (cgraph_remove_edge): Use.
937 (cgraph_redirect_edge_callee): Likewise.
938 (cgraph_node_remove_callees): New function.
939 (cgraph_node_remove_callers): Likewise.
940 (cgraph_remove_node): Use.
941 * tree-optimize.c (tree_rest_of_compilation): Use
942 cgraph_node_remove_callees instead of manual loop.
943 * cgraphunit.c (cgraph_finalize_function): Likewise.
944 (cgraph_expand_function): Likewise.
945 (cgraph_remove_unreachable_nodes): Likewise.
947 2005-03-02 Joseph S. Myers <joseph@codesourcery.com>
950 * c-tree.h (undeclared_variable, build_external_ref): Add extra
952 * c-decl.c (undeclared_variable): Take location as argument.
953 * c-typeck.c (build_external_ref): Likewise.
954 * c-parser.c (c_parser_postfix_expression): Pass location of
955 identifier to build_external_ref.
957 2005-03-01 David Edelsohn <edelsohn@gnu.org>
959 * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
960 CCEQ mode for branch_positive_comparison_operator test.
961 * config/rs6000/predicates (branch_comparison_operator): Revert to
963 (scc_comparison_operator): Same.
964 (branch_positive_comparison_operator): Same.
966 2005-03-01 Hans-Peter Nilsson <hp@axis.com>
968 * config/cris/cris.c (cris_eligible_for_epilogue_delay)
969 (cris_delay_slots_for_epilogue): Remove.
970 (save_last): Move into cris_target_asm_function_epilogue.
971 (cris_target_asm_function_epilogue): Remove tests for file being
973 * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
974 (cris_delay_slots_for_epilogue): Remove prototypes.
975 * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
976 (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
978 2005-03-01 David Edelsohn <edelsohn@gnu.org>
980 * config/rs6000/predicates.md (branch_comparison_operator): Change
981 to define_special_predicate.
982 (scc_comparison_operator): Same.
983 (branch_positive_comparison_operator): Same.
985 2005-03-01 Daniel Berlin <dberlin@dberlin.org>
987 * Makefile.in (tree-ssa-sink.o): New.
988 (OBJS-common): Add tree-ssa-sink.o.
989 * common.opt: Add -ftree-sink
990 * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
991 * timevar.def (TV_TREE_SINK): new timevar.
992 * tree-flow.h (is_hidden_global_store): Prototype.
993 * tree-optimize.c (init_tree_optimization_passes): Add
995 * tree-pass.h (pass_sink_code): New.
996 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
997 for non-obvious global store store to is_hidden_global_store, and
998 call that new function.
999 * tree-ssa-sink.c: New file.
1000 * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
1001 * doc/passes.texi: Document forward store motion.
1002 * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
1003 * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
1004 * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
1005 * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
1007 2005-03-01 Per Bothner <per@bothner.com>
1009 * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
1010 and we have a non-zero column-number, add it to the message.
1011 Also factor out the diagnostic_kind_text.
1013 2005-03-01 Zdenek Dvorak <dvorakz@suse.cz>
1015 * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1016 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1017 flow_loop_scan): Removed.
1018 (flow_loop_dump): Do not dump removed fields.
1019 (flow_loop_free): Do not free removed fields.
1020 (flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
1021 (loop_exit_edge_p): New function.
1022 * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
1023 num_pre_header_edges, entry_edges, num_entries, exit_edges,
1024 num_exits, exits_doms.
1025 (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
1026 LOOP_EDGES, LOOP_ALL): Removed.
1027 (flow_loop_scan): Declaration removed.
1028 (loop_exit_edge_p, mark_loop_exit_edges): Declare.
1029 * cfgloopmanip.c (create_loop_notes): Do not pass flags to
1031 * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
1032 (if_convert): Call flow_loops_find and flow_loops_free
1033 when calling mark_loop_exit_edges.
1034 * cfgloopanal.c (mark_loop_exit_edges): Moved from
1035 ifcvt.c. Removed the flow_loops_find, flow_loops_free and
1036 free_dominance_info calls.
1037 * loop-init.c (flow_loops_find): Ditto.
1038 * passes.c (rest_of_handle_branch_prob): Ditto.
1039 * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
1040 * loop-unroll.c (analyze_insns_in_loop): Do not use
1042 * predict.c (predict_loops): Do not call flow_loop_scan.
1043 Use get_loop_exit_edges.
1044 (tree_estimate_probability): Do not pass flags to flow_loops_find.
1045 * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
1046 Do not use EDGE_LOOP_EXIT.
1047 (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
1048 to bb_with_exit_edge_p.
1049 (if_convertible_loop_p): Do not call flow_loop_scan. Use
1050 loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
1051 to bb_with_exit_edge_p.
1052 (combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
1054 * tree-loop-linear.c (linear_transform_loops): Do not call
1055 flow_loop_scan. Use loop->single_exit.
1056 * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
1057 (vect_analyze_loop_form): Do not call flow_loop_scan.
1058 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
1060 (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
1062 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1063 slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1064 slpeel_tree_duplicate_loop_to_edge_cfg,
1065 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1066 Use loop_preheader_edge and loop->single_exit. Do not call
1069 2005-03-01 Nick Clifton <nickc@redhat.com>
1071 * config/arm/arm.c (thumb_find_work_register): Check all of the
1072 argument registers to see if they are free, and a couple of
1073 special cases where the last argument register but can be proved
1074 to be available during the function's prologue.
1075 (print_multi_reg, arm_compute_save_reg0_reg12_mask,
1076 output_return_instruction, emit_multi_reg_push, thumb_pushpop,
1077 thumb_unexpanded_epilogue): Use unsigned long as the type for the
1079 (thumb_compute_save_reg_mask): Likewise. Also use
1080 thumb_find_work_register() to ensure that there is agreement about
1081 which work register is going to be used in the prologue.
1082 (thumb_output_function_prologue): Use unsigned long as the type
1083 for the register bit-mask. Also delay pushing the link register if
1084 other high registers are going to be pushed.
1085 (thumb_compute_save_reg_mask, emit_multi_reg_push,
1086 print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
1087 redundant prototypes.
1089 2005-02-28 John David Anglin <dave.anglin#nrc-cnrc.gc.ca>
1092 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
1093 and after reload in REG+REG indexed addresses without REG_POINTER
1094 set in the base and not set in the index.
1096 2005-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1098 * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
1099 Don't undefine here.
1100 (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
1101 (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
1102 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
1103 (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
1104 LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
1106 * config.gcc (sh*-*-linux*): Use config/linux.h.
1108 2005-02-28 Dale Johannesen <dalej@apple.com>
1109 Stan Shebs <shebs@apple.com>
1111 Rewrite of 64-bit Darwin structure-by-value pass/return.
1112 * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
1113 intoffset, use_stack, named.
1114 * config/rs6000/rs6000.c (rs6000_darwin64_function_arg): Remove.
1115 (rs6000_darwin64_record_arg_advance_flush): New.
1116 (rs6000_darwin64_record_arg_advance_recurse): New.
1117 (rs6000_darwin64_record_arg_flush): New.
1118 (rs6000_darwin64_record_arg_recurse): New.
1119 (rs6000_darwin64_record_arg): New.
1120 (rs6000_return_in_memory): Remove AGGREGATE_TYPE_P check.
1121 (function_arg_boundary): Handle 128-bit aligned structs.
1122 (function_arg_advance): Rewrite darwin64 struct handling.
1123 (function_arg): Call rs6000_darwin64_record_arg.
1124 (function_arg_partial_nregs): Handle darwin64 structs.
1125 (rs6000_darwin64_function_value): Remove.
1126 (rs6000_function_value): Call rs6000_darwin64_record_arg.
1128 2005-02-28 Roger Sayle <roger@eyesopen.com>
1130 PR tree-optimization/20216
1131 * tree-chrec.c (tree_fold_factorial): Delete.
1132 (tree_fold_binomial): Change argument list to take a return type
1133 and change the type of K to unsigned int. Rewrite to avoid explicit
1134 evaluation of factorials, and (recursively) calling fold to perform
1135 compile-time arithmetic. Return NULL on (internal) overflow.
1136 (chrec_evaluate): Change type of K to an unsigned int. Avoid
1137 calling tree_fold_binomial unnecessarily. Return chrec_dont_know
1138 if any intermediate calculation overflows.
1139 (chrec_apply): Update call to chrec_evaluate.
1141 2005-02-28 James E Wilson <wilson@specifixinc.com>
1143 * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
1145 2005-02-28 Joseph S. Myers <joseph@codesourcery.com>
1148 * c-parser.c (c_parser_compound_statement): Return error_mark_node
1149 instead of NULL_TREE on error.
1151 2005-02-28 David Edelsohn <edelsohn@gnu.org>
1153 * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
1154 (EASY_VECTOR_15_ADD_SELF): Remove.
1155 (num_insns_constant_wide): Not static.
1156 (validate_condition_mode): Not static.
1157 (toc_relative_expr_p): Not static.
1158 (legitimate_indirect_address_p): Not static.
1159 (macho_lo_sum_memory_operand): Not static.
1160 (invalid_e500_subreg): Not static.
1161 (easy_vector_same): Not static.
1162 (easy_vector_splat_const): Not static.
1163 (RS6000_SYMBOL_REF_TLS_P): Remove.
1164 (any_operand): Delete.
1165 (any_parallel_operand): Delete.
1166 (count_register_operand): Delete.
1167 (altivec_register_operand): Delete.
1168 (xer_operand): Delete.
1169 (s8bit_cint_operand): Delete.
1170 (short_cint_operand): Delete.
1171 (u_short_cint_operand): Delete.
1172 (non_short_cint_operand): Delete.
1173 (exact_log2_cint_operand): Delete.
1174 (gpc_reg_operand): Delete.
1175 (cc_reg_operand): Delete.
1176 (cc_reg_not_cr0_operand): Delete.
1177 (reg_or_short_operand): Delete.
1178 (reg_or_neg_short_operand): Delete.
1179 (reg_or_aligned_short_operand): Delete.
1180 (reg_or_u_short_operand): Delete.
1181 (reg_or_cint_operand): Delete.
1182 (reg_or_arith_cint_operand): Delete.
1183 (reg_or_add_cint64_operand): Delete.
1184 (reg_or_sub_cint64_operand): Delete.
1185 (reg_or_logical_cint_operand): Delete.
1186 (got_operand): Delete.
1187 (got_no_const_operand): Delete.
1188 (easy_fp_constant): Delete.
1189 (easy_vector_constant): Delete.
1190 (easy_vector_constant_add_self): Delete.
1191 (zero_constant): Delete.
1192 (zero_fp_constant): Delete.
1193 (volatile_mem_operand): Delete.
1194 (offsettable_mem_operand): Delete.
1195 (mem_or_easy_const_operand): Delete.
1196 (add_operand): Delete.
1197 (non_add_cint_operand): Delete.
1198 (logical_operand): Delete.
1199 (non_logical_cint_operand): Delete.
1200 (mask_operand): Delete.
1201 (mask_operand_wrap): Delete.
1202 (mask64_operand): Delete.
1203 (mask64_2_operand): Delete.
1204 (and64_operand): Delete.
1205 (and64_2_operand): Delete.
1206 (and_operand): Delete.
1207 (reg_or_mem_operand): Delete.
1208 (lwa_operand): Delete.
1209 (symbol_ref_operand): Delete.
1210 (call_operand): Delete.
1211 (current_file_function_operand): Delete.
1212 (input_operand): Delete.
1213 (rs6000_nonimmediate_operand): Delete.
1214 (rs6000_tls_symbol_ref): Delete.
1215 (save_world_operation): Delete.
1216 (restore_world_operation): Delete.
1217 (load_multiple_operation): Delete.
1218 (store_multiple_operation): Delete.
1219 (vrsave_operation): Delete.
1220 (mfcr_operation): Delete.
1221 (mtcrf_operation): Delete.
1222 (lmw_operation): Delete.
1223 (stmw_operation): Delete.
1224 (branch_comparison_operator): Delete.
1225 (branch_positive_comparison_operator): Delete.
1226 (scc_comparison_operator): Delete.
1227 (trap_comparison_operator): Delete.
1228 (boolean_operator): Delete.
1229 (boolean_or_operator): Delete.
1230 (min_max_operator): Delete.
1231 * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1232 (EASY_VECTOR_15): Moved to here.
1233 (EASY_VECTOR_15_ADD_SELF): Move to here.
1234 (PREDICATE_CODES): Delete.
1235 * config/rs6000/rs6000-protos.h: Delete predicate functions.
1236 Declare functions no longer static.
1237 * config/rs6000/predicates.md: New.
1238 * config/rs6000/rs6000.md: Include predicates.md
1240 2005-02-28 Kazu Hirata <kazu@cs.umass.edu>
1242 * calls.c (emit_call_1): Don't use REG_ALWAYS_RETURN.
1243 (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1245 * cfgrtl.c (need_fake_edge_p): Likewise.
1246 * combine.c (distribute_notes): Likewise.
1247 * emit-rtl.c (try_split): Likewise.
1248 * recog.c (peephole2_opimize): Likewise.
1249 * reg-notes.def (ALWAYS_RETURN): Remove.
1250 * rtl.h (LCT_ALWAYS_RETURN): Remove.
1251 * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1252 * tree.h (ECF_ALWAYS_RETURN): Remove.
1254 2005-02-28 Roger Sayle <roger@eyesopen.com>
1257 * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1258 between different machine modes is never a "useless" conversion.
1260 2005-02-28 Geert Bosch <bosch@gnat.com>
1263 * doc/contrib.texi: List contributors for Ada front end
1265 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1267 * simplify-rtx.c (simplify_unary_operation_1,
1268 simplify_const_unary_operation): New, extracted from...
1269 (simplify_unary_operation): ... this one.
1270 (simplify_binary_operation_1,
1271 simplify_const_binary_operation): New, extracted from...
1272 (simplify_binary_operation): ... this one.
1273 * rtl.h (simplify_const_unary_operation,
1274 simplify_const_binary_operation): Add prototypes.
1276 2005-02-28 Julian Brown <julian@codesourcery.com>
1278 * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1279 building libjava and caused PR regression/20228.
1281 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1284 * Makefile.in (host_subdir): New.
1285 (build_objdir): New. Replace ../$(build_subdir) with it throughout.
1286 * configure: Regenerate.
1288 2005-02-27 Zack Weinberg <zack@codesourcery.com>
1290 * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1291 * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1292 installation directory first.
1294 2005-02-28 Hans-Peter Nilsson <hp@axis.com>
1297 * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1298 not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1299 (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1300 * config/cris/cris.md: Tweak comments referring to Q.
1301 ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1302 ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1303 ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1304 ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1305 ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1306 Insert spaces in constraints to align alternatives vertically for
1308 ("cmphi"): Ditto. Add separate alternative for operand 0 "r",
1311 2005-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1313 PR rtl-optimization/17728
1314 * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1315 operand 0 from general_operand to move_dest_operand.
1317 2005-02-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1319 * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1320 instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1321 * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1322 (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1324 2005-02-26 Nathanael Nerode <neroden@gcc.gnu.org>
1326 * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1327 * configure: Regenerate.
1328 * libada-mk.in: Remove CC; rename
1329 cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1331 2005-02-26 Andrew Pinski <pinskia@physics.uc.edu>
1334 * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1335 for the lhs, also walk over the tree. Likewise for rhs.
1337 2005-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1339 * tree-ssa-dom.c (simple_iv_increment_p): New function.
1340 (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1341 Do not propagate value of iv before increment over the increment.
1343 2005-02-25 Joseph S. Myers <joseph@codesourcery.com>
1345 * c-parser.c: New file.
1346 * c-parse.in: Remove.
1347 * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1349 (c-parser.o): Add dependencies.
1350 (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1351 maintainer-clean, TAGS): Update.
1352 * c-config-lang.in (gtfiles): Update.
1353 * gengtype-lex.l: Don't handle "@@".
1354 * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1355 objc_build_synchronized, objc_begin_try_stmt,
1356 objc_begin_catch_clause, objc_finish_catch_clause,
1357 objc_build_finally_clause, objc_finish_try_stmt): New.
1358 * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1360 (c_parse_init): Update comment.
1361 * c-decl.c (c_init_decl_processing): Update comment.
1362 (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1363 declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1364 new c_declspecs members.
1366 2005-02-25 Julian Brown <julian@codesourcery.com>
1368 * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1369 from being used for symbols with vague linkage when
1370 HAVE_GAS_COMDAT_GROUP is true.
1372 2005-02-25 Mark Mitchell <mark@codesourcery.com>
1374 * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1376 2005-02-25 Steve Ellcey <sje@cup.hp.com>
1379 * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1380 (LIBGCC2_HAS_DF_MODE): New.
1381 (LIBGCC2_HAS_XF_MODE): New.
1382 (LIBGCC2_HAS_TF_MODE): New.
1383 * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1384 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1385 * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1386 (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1387 (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1388 * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1389 and add _fixtfdi, _fixunstfdi, _floatditf
1390 * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1391 L_fixunstfdi, L_floatditf.
1392 * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1393 (LIBGCC2_HAS_TF_MODE): Define.
1395 2005-02-25 Diego Novillo <dnovillo@redhat.com>
1397 PR tree-optimization/20204
1398 * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1399 REWRITE_THIS_STMT markers on PHI nodes.
1400 (rewrite_initialize_block): Likewise.
1402 2005-02-25 Mark Mitchell <mark@codesourcery.com>
1404 * version.c (version_string): Update to 4.1.
1406 2005-02-25 Paolo Carlini <pcarlini@suse.de>
1408 * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1409 Clarify that the alternative way doesn't work in GNU C++.
1411 2005-02-25 Zdenek Dvorak <dvorakz@suse.cz>
1413 PR tree-optimization/19937
1414 * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1415 to the type of the induction variable.
1417 2005-02-25 Kaz Kojima <kkojima@gcc.gnu.org>
1419 PR rtl-optimization/20117
1420 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1421 the block including noncopyable insn.
1423 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
1425 * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1426 calls to find_reg_note.
1428 2005-02-24 Richard Henderson <rth@redhat.com>
1431 * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1434 2005-02-24 Fariborz Jahanian <fjahanian@apple.com>
1436 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1437 vector types if to use base reg for misaligned non-word ld/std.
1439 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
1442 * config/cris/cris.c (cris_target_asm_function_prologue): Create
1443 dwarf2 label manually and put it after, not before the prologue.
1445 2005-02-24 David Edelsohn <edelsohn@gnu.org>
1448 * reload.c (operands_match_p): Only increment register number for
1449 SCALAR_INT_MODE_P modes in multiple hard registers.
1451 * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1454 2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1456 * ChangeLog.5: Fix log message typo(s).
1457 * ChangeLog.7: Likewise.
1458 * ChangeLog.tree-ssa: Likewise.
1459 * cfgexpand.c: Fix comment typo(s).
1460 * conflict.c: Likewise.
1461 * defaults.h: Likewise.
1462 * dwarf2out.c: Likewise.
1464 * ggc-page.c: Likewise.
1465 * tree-eh.c: Likewise.
1466 * tree-ssa-dom.c: Likewise.
1468 2005-02-24 Jakub Jelinek <jakub@redhat.com>
1471 * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1472 * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1473 if SHARED is defined.
1476 * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1477 allow splitting only if operands 0 and 3 don't overlap.
1479 2005-02-24 Richard Henderson <rth@redhat.com>
1482 * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1483 (fold_builtin_1): Call them.
1484 * fold-const.c (fold_complex_mult_parts): Split out from ...
1485 (fold_complex_mult): ... here. Fix typo in both imaginary case.
1486 (fold_complex_div_parts, fold_complex_div): New.
1488 * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1490 2005-02-24 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1492 * tree-ssa-ccp.c (visit_assignment): Verify that result of
1493 VIEW_CONVERT_EXPR is_gimple_min_invariant.
1495 * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1496 (print_node): Likewise.
1497 Print TYPE_SIZES_GIMPLIFIED.
1499 2005-02-24 Hans-Peter Nilsson <hp@axis.com>
1501 * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1502 ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1503 operands as commutative in constraints.
1505 2005-02-24 Diego Novillo <dnovillo@redhat.com>
1507 * tree-into-ssa.c: Re-organize internal functions.
1509 2005-02-24 Richard Henderson <rth@redhat.com>
1512 * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1514 * common.opt (fcx-limited-range): New.
1515 * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1516 * toplev.c (flag_complex_method): Initialize to 1.
1517 (process_options): Set flag_complex_method to 0 if
1518 flag_cx_limited_range.
1519 * doc/invoke.texi (-fcx-limited-range): New.
1521 2005-02-24 Kazu Hirata <kazu@cs.umass.edu>
1523 * cse.c (delete_trivially_dead_insns): Speed up by using
1524 NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1527 2005-02-24 Andrea Tarani <andrea.tarani@gilbarco.com>
1529 * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1530 functions when -mid-shared-library is being used.
1532 2005-02-23 Daniel Jacobowitz <dan@codesourcery.com>
1534 * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1535 (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1536 * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1537 * system.h: Poison LINK_LIBGCC_SPECIAL.
1539 2005-02-23 James E Wilson <wilson@specifixinc.com>
1541 * gengtype.c (note_insn_name): Make 1 element larger.
1543 2005-02-23 Roger Sayle <roger@eyesopen.com>
1546 PR rtl-optimization/20097
1547 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1548 BImode SUBREGs of SImode registers which confuse the ia64 backend.
1550 2005-02-23 David Edelsohn <edelsohn@gnu.org>
1552 * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1553 * t-aix52 (SHLIB_INSTALL): Same.
1555 2005-02-23 Kazu Hirata <kazu@cs.umass.edu>
1557 * genpreds.c: Update copyright.
1559 2005-02-23 Michael Beach <michaelb@ieee.org>
1562 * config/sparc/t-elf (startup files): Assemble with CPP.
1564 2005-02-23 Paolo Bonzini <bonzini@gnu.org>
1566 * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1567 (write_predicate_expr): Likewise.
1569 2005-02-22 Diego Novillo <dnovillo@redhat.com>
1571 PR tree-optimization/20100
1572 PR tree-optimization/20115
1573 * tree-optimize.c (init_tree_optimization_passes): Remove
1574 pass_maybe_create_global_var.
1575 * tree-pass.h (pass_maybe_create_global_var): Remove.
1576 * tree-ssa-alias.c (aliases_computed_p): Declare.
1577 (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1578 (count_calls_and_maybe_create_global_var): Remove.
1579 (pass_maybe_create_global_var): Remove.
1580 (init_alias_info): Do not declare aliases_computed_p.
1581 (maybe_create_global_var): If the function contains no
1582 call-clobbered variables and a mix of pure/const and regular
1583 function calls, create .GLOBAL_VAR.
1584 Mark all call-clobbered variables for renaming.
1585 (merge_pointed_to_info): Update comment.
1586 (add_pointed_to_var): Likewise.
1587 (is_escape_site): Likewise.
1588 Accept struct alias_info * instead of size_t *.
1590 Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1592 * tree-ssa-operands.c (get_call_expr_operands): If
1593 ALIASES_COMPUTED_P is false, do not add call-clobbering
1595 * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1596 (delete_tree_ssa): Likewise.
1598 2005-02-22 James E Wilson <wilson@specifixinc.com>
1600 * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1601 (do_compile): Do call it here.
1603 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
1605 PR rtl-optimization/20017.
1606 * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1607 rest_of_handle_cse2, rest_of_handle_gcse): Call
1608 delete_dead_jumptables immediately before calling cleanup_cfg.
1610 2005-02-22 Devang Patel <dpatel@apple.com>
1613 * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1616 2005-02-22 David Edelsohn <edelsohn@gnu.org>
1618 * config/rs6000/aix.h (WINT_TYPE): Define.
1620 2005-02-22 Stan Shebs <shebs@apple.com>
1622 * config/rs6000/rs6000.c (rs6000_override_options): Default to
1623 natural alignment for 64-bit Darwin.
1624 (rs6000_parse_alignment_option): Warn about uses of -malign-power
1626 * doc/invoke.texi: Document this.
1628 2005-02-22 DJ Delorie <dj@redhat.com>
1630 * c-common.c (c_common_type_for_mode): Pass the mode's precision
1631 to make_[un]signed_type, not the mode itself.
1633 2005-02-22 Kazu Hirata <kazu@cs.umass.edu>
1635 * cfg.c (cached_make_edge): Call make_edge if edge cache is
1636 not available. Use tail calls wherever possible.
1637 (make_edge): Call unchecked_make_edge to create an edge.
1639 * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1640 (coalesce_ssa_name): Don't check for
1641 SSANORM_USE_COALESCE_LIST.
1642 (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1644 2005-02-22 Diego Novillo <dnovillo@redhat.com>
1646 * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1647 (rewrite_into_ssa): ... here.
1649 2005-02-21 Alexandre Oliva <aoliva@redhat.com>
1651 PR tree-optimization/19786
1652 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1653 tag to another's may-alias bitmap when adding to the other's list.
1655 2005-02-21 DJ Delorie <dj@redhat.com>
1657 * tree-ssa-loop-ivopts.c (computation_cost): Start register
1658 numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1659 registers in unsupported ways.
1660 * expmed.c (init_expmed): Likewise.
1662 2005-02-21 Stan Cox <scox@redhat.com>
1664 * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1666 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
1668 * tree-cfg.c (fold_cond_expr_cond): New.
1669 (make_edges): Call fold_cond_expr_cond.
1670 (find_taken_edge): Accept nothing but INTEGER_CST.
1671 (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1673 (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1675 * flow.c (delete_dead_jumptables): Speed up by scanning insns
1676 that do not belong to any basic block.
1678 2005-02-21 Jeff Law <law@redhat.com>
1680 * cfganal.c (find_unreachable_blocks): Manually CSE load of
1683 2005-02-21 Kazu Hirata <kazu@cs.umass.edu>
1685 * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1686 (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1687 Adjust their definitions.
1688 (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1689 (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1691 * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1692 genautomata.c, langhooks.c, langhooks.h, system.h,
1693 config/arm/lib1funcs.asm: Update copyright.
1695 2005-02-21 Ulrich Weigand <uweigand@de.ibm.com>
1697 * dbxout.c (dbxout_function_end): Emit Lscope label always.
1699 2005-02-21 Richard Guenther <rguenth@gcc.gnu.org>
1702 * doc/install.texi: Document --with-gc.
1704 2005-02-21 Paolo Bonzini <bonzini@gnu.org>
1706 * simplify-rtx.c (simplify_unary_operation): Add a missing
1709 2005-02-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1711 PR tree-optimization/18663
1712 * tree-ssa-dom.c (extract_range_from_cond): Return 0
1713 if the type has variable bounds.
1715 2005-02-20 Kazu Hirata <kazu@cs.umass.edu>
1717 * gcse.c: Remove an obsolete comment.
1719 * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1721 2005-02-20 Hans-Peter Nilsson <hp@axis.com>
1723 * doc/extend.texi (Function Attributes) <Attribute const>: The
1724 attribute "pure" is below this text, not above.
1726 2005-02-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1728 * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1729 (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1730 * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1732 2005-02-20 Zack Weinberg <zack@codesourcery.com>
1735 * langhooks.h (struct lang_hooks): Add to_target_charset.
1736 * langhooks.c (lhd_to_target_charset): New function.
1737 * langhooks-def.h: Declare lhd_to_target_charset.
1738 (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1739 (LANG_HOOKS_INITIALIZER): Update.
1740 * c-common.c (c_common_to_target_charset): New function.
1741 * c-common.h: Declare it.
1742 * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1743 c_common_to_target_charset.
1745 * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1746 (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1748 * system.h: Poison them.
1749 * doc/tm.texi: Don't discuss them.
1750 * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1751 * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1752 (pp_c_char): Do not attempt to generate letter escapes for
1754 * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1755 * config/mips/mips.c (mips_output_ascii): Likewise.
1757 2005-02-20 Dorit Naishlos <dorit@il.ibm.com>
1759 PR tree-optimization/19951
1760 * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1763 2005-02-19 Steven Bosscher <stevenb@suse.de>
1766 * function.h (struct function): New field `max_loop_depth'.
1767 * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1768 (flow_loops_find): Reset the max loop depth count before finding loops.
1769 * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1770 (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1771 (calculate_global_regs_live): Make sure the loop will terminate
1772 when the initial sets are not empty.
1774 2005-02-19 Zack Weinberg <zack@codesourcery.com>
1776 * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1778 * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1780 2005-02-19 Richard Sandiford <rsandifo@redhat.com>
1783 * doc/invoke.texi: Remove documentation of %M spec.
1785 (init_spec): Remove %M suffix from -lgcc_s.
1786 (do_spec_1): Remove 'M' case.
1787 * mklibgcc.in: Remove SHLIB_MULTILIB handling. Expect SHLIB_LINK
1788 to put shared libraries in the multilib directory. Remove the
1789 shlib_so_soname substitution variable. Don't add a multilib encoding
1790 to shlib_base_name. Set shlib_slibdir_qual to the full pathname
1791 reported by -print-multi-os-directory. Pass @multilib_dir@ to
1792 SHLIB_INSTALL as well as SHLIB_LINK.
1793 * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1794 (SHLIB_NAME): Delete.
1795 (SHLIB_DIR): New macro.
1796 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1797 (SHLIB_INSTALL): Adjust accordingly.
1798 * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1799 * config/t-slibgcc-sld: Likewise.
1800 * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1801 (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1802 (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1804 (SHLIBUNWIND_INSTALL): Adjust accordingly.
1805 * config/i386/t-nwld (SHLIB_SONAME): Delete.
1806 (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1807 Use @shlib_base_name@ instead of @shlib_so_name@.
1808 * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1809 and @shlib_base_name@.so in @multilib_dir@.
1810 (SHLIB_INSTALL): Adjust accordingly. Add @shlib_slibdir_qual@
1811 to the install path.
1812 * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1813 (SHLIB_LINK): Remove previous workaround.
1814 * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1815 (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1816 (SHLIB_INSTALL): Adjust accordingly. Add $(SHLIB_SLIBDIR_QUAL) to
1818 * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1819 @multilib_dir@. Use @multilib_dir@ to check for threading libraries.
1820 (SHLIB_INSTALL): Adjust accordingly.
1821 (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1822 * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1823 * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1824 config/t-slibgcc-elf-ver.
1826 2005-02-19 Zdenek Dvorak <dvorakz@suse.cz>
1827 Jakub Jelinek <jakub@redhat.com>
1829 PR tree-optimization/19828
1830 * tree-ssa-loop-im.c: Add a TODO comment.
1831 (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1832 without side-effects.
1834 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
1836 * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1839 2005-02-18 James E. Wilson <wilson@specifixinc.com>
1841 * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1842 * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1843 (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1845 (ia64_reorg): Delete fixup_errata call.
1846 * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1847 (TARGET_SWITCHES): Delete -mb-step entry.
1849 2005-02-19 Jakub Jelinek <jakub@redhat.com>
1852 * c-typeck.c (composite_type): Handle quals in transparent unions.
1853 (type_lists_compatible_p): Likewise.
1855 2005-02-18 Stan Shebs <shebs@apple.com>
1857 * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1858 expressions in the .literal8 section.
1860 2005-02-18 Geoffrey Keating <geoffk@apple.com>
1862 * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1864 2005-02-18 Roger Sayle <roger@eyesopen.com>
1866 * fold-const.c (constant_boolean_node): Always create values of the
1867 specified type, don't bother calling truthvalue_conversion.
1869 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1871 * except.c (output_function_exception_table): Call
1872 assemble_external_libcall (eh_personality_libfunc).
1874 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1877 * config/ia64/ia64.h (struct machine_function): Add state_num.
1878 * config/ia64/ia64.c (process_epilogue,
1879 process_for_unwind_directive): Use new unwind state numbers each
1880 time rather than state 1.
1882 2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
1885 * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1886 before the "*llgt_didi" pattern.
1888 2005-02-18 Jason Merrill <jason@redhat.com>
1890 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1892 2005-02-18 Richard Earnshaw <rearnsha@arm.com>
1894 * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1895 (div0): Use it in place of ARM_FUNC_ALIAS.
1896 (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1898 2005-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1901 * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1902 access, the lower bound of the array type if it exists.
1904 2005-02-18 Alexandre Oliva <aoliva@redhat.com>
1907 * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1908 cases that are out-of-range for the index type.
1910 2005-02-18 James A. Morrison <phython@gcc.gnu.org>
1912 * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1913 (estimate_case_costs): Don't call convert.
1914 * expmed.c (expand_shift): Likewise.
1915 (make_tree): Call fold_convert instead of convert.
1917 2005-02-18 Jakub Jelinek <jakub@redhat.com>
1920 * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1921 that ref to be marked MEM_READONLY_P doesn't have base that needs
1924 2005-02-18 Joseph S. Myers <joseph@codesourcery.com>
1926 * genautomata.c (output_get_cpu_unit_code_func,
1927 output_cpu_unit_reservation_p): Don't generate old-style function
1930 2005-02-18 Jakub Jelinek <jakub@redhat.com>
1933 PR tree-optimization/20009
1934 * convert.c (convert_to_integer): Revert 2005-02-16 change.
1936 PR tree-optimization/18947
1937 * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1938 inline, remove all nodes that are inlined into the extern inline
1941 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
1943 * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1944 loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1945 tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1946 config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1949 2005-02-17 Roger Sayle <roger@eyesopen.com>
1951 PR tree-optimization/19917
1952 * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1953 to be potentially trapping.
1955 2005-02-17 Kazu Hirata <kazu@cs.umass.edu>
1957 * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1959 2005-02-17 Andreas Krebbel <krebbel1@de.ibm.com>
1961 * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1962 tem becomes a local variable which is set to the value of the
1963 back end defined INITIAL_FRAME_ADDRESS macro.
1964 (expand_builtin_frame_address): Omit the base parameter to
1965 expand_builtin_return_addr.
1966 (expand_builtin_profile_func): Likewise.
1967 * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1968 (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1969 * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1971 2005-02-17 Jakub Jelinek <jakub@redhat.com>
1973 * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1974 s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1975 * config/frv/frv.c (frv_function_epilogue): Likewise.
1977 2005-02-17 Daniel Berlin <dberlin@dberlin.org>
1979 * lambda-code (perfect_nestify): Remove mark/unmark
1981 * tree-loop-linear.c (linear_transform_loops): Add
1982 rewrite_into_ssa call so that ssa is correct for
1983 rewriting into loop closed.
1985 2005-02-17 Nathan Sidwell <nathan@codesourcery.com>
1987 * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1988 * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1990 * bt-load.c (btr_def_live_range, combine_btr_defs,
1991 migrate_btr_def, migrate_btr_defs): Likewise.
1992 * cfgcleanup.c (thread_jump): Likewise.
1993 * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1994 * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1995 df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1996 df_rd_local_compute, df_reg_info_compute): Likewise.
1997 * dominance.c (init_dom_info, free_dom_info): Likewise.
1998 * flow.c (init_propagate_block_info,
1999 free_propagate_block_info): Likewise.
2000 * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
2001 * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
2002 modify_reg_pav): Likewise.
2003 * loop-invariant.c (find_defs, find_invariant_insn,
2004 find_invariants, free_inv_motion_data): Likewise.
2005 * predict.c (tree_predict_by_opcode,
2006 estimate_bb_frequencies): Likewise.
2007 * stmt.c (expand_case): Likewise.
2008 * tree-cfg.c (tree_duplicate_sese_region): Likewise.
2009 * tree-dfa.c (mark_new_vars_to_rename): Likewise.
2010 * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
2011 * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
2012 get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
2013 rewrite_ssa_into_ssa): Likewise.
2014 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2015 * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
2016 analyze_edges_for_bb, perform_edge_inserts): Likewise.
2017 * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
2018 * tree-sra.c (tree_sra): Likewise.
2019 * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
2020 * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
2021 * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
2022 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
2023 * tree-ssa-dse.c (tree_ssa_dse): Likewise.
2024 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
2026 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
2027 calculate_live_on_entry, calculate_live_on_exit,
2028 build_tree_conflict_graph): Likewise.
2029 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
2030 record_important_candidates, set_use_iv_cost, find_depends,
2031 determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
2032 tree_ssa_iv_optimize_finalize): Likewise.
2033 * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
2034 find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
2035 tree_duplicate_loop_to_header_edge): Likewise.
2036 * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
2037 * tree-ssa.c (verify_flow_insensitive_alias_info,
2038 verify_name_tags, verify_ssa, init_tree_ssa,
2039 delete_tree_ssa): Likewise.
2040 * tree-ssanames.c (marked_ssa_names, init_ssanames,
2041 fini_ssanames): Likewise.
2042 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
2044 2005-02-17 Ralf Corsepius <ralf.corsepius@rtems.org>
2046 * config/rs6000/t-rtems: Completely reworked.
2048 2005-02-17 Ira Rosen <irar@il.ibm.com>
2050 * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
2052 2005-02-17 Ira Rosen <irar@il.ibm.com>
2054 * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
2055 POINTER_TYPE_P when checking that type is a pointer.
2056 (vect_get_memtag): Remove.
2057 (vect_address_analysis): Use POINTER_TYPE_P. Call
2058 vect_object_analysis with dummy parameter for memtag.
2059 (vect_object_analysis): Extract memtag (functionality that
2060 used to be in vect_get_memtag and moved here). Fix printings.
2061 (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
2062 with correct parameters. Remove call to vect_get_memtag.
2064 2005-02-17 Dorit Naishlos <dorit@il.ibm.com>
2066 * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
2067 (tree-vectorizer.o): Added missing dependencies.
2069 * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
2071 (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
2072 declaration in tree-vectorizer.c, now has an extern declaration in
2074 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2075 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2076 get_vectype_for_scalar_type, vect_is_simple_use,
2077 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2078 vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
2079 new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
2080 vectorizable_store, vectorizable_operation, vectorizable_assignment,
2081 vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
2082 find_loop_location): Likewise.
2084 * tree-vectorizer.c (langhooks.h): #include removed.
2085 (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
2086 moved to tree-vectorized.h.
2087 (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2088 slpeel_verify_cfg_after_peeling, vect_strip_conversion,
2089 get_vectype_for_scalar_type, vect_is_simple_use,
2090 vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
2091 vect_supportable_dr_alignment, new_loop_vec_info,
2092 destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
2093 vect_set_verbosity_level, find_loop_location): Likewise.
2095 (vect_analyze_loop): Function externalized. Declaration moved to
2096 tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
2097 (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
2098 (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
2099 vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
2100 vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
2101 vect_enhance_data_refs_alignment, vect_analyze_operations,
2102 exist_non_indexing_operands_for_use_p, vect_mark_relevant,
2103 vect_stmt_relevant_p, vect_get_loop_niters,
2104 vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
2105 vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
2106 vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
2107 vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
2108 vect_get_memtag): Likewise.
2110 (vectorizable_load): Function externalized. Declaration moved to
2111 tree-vectorized.h. Function definition moved to tree-vect-transform.c.
2112 (vectorizable_store, vectorizable_operation, vectorizable_assignment,
2113 vect_transform_loop): Likewise.
2114 (vect_transform_stmt): Moved to tree-vect-transform.c.
2115 (vect_align_data_ref, vect_create_destination_var,
2116 vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
2117 vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
2118 vect_get_vec_def_for_operand, vect_init_vector,
2119 vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
2120 vect_build_loop_niters, vect_update_ivs_after_vectorizer,
2121 vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
2122 vect_update_inits_of_drs, vect_do_peeling_for_alignment,
2123 vect_do_peeling_for_loop_bound): Likewise.
2125 * tree-vect-analyze.c: New file.
2126 * tree-vect-transform.c: New file.
2128 2005-02-17 Jason Merrill <jason@redhat.com>
2130 PR mudflap/19319, c++/19317
2131 * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
2134 2005-02-17 Gerald Pfeifer <gerald@pfeifer.com>
2136 * doc/install.texi (Specific): Update link for Darwin-specific
2139 2005-02-16 James A. Morrison <phython@gcc.gnu.org>
2141 * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
2142 constant_boolean_node.
2144 2005-02-16 David Edelsohn <edelsohn@gnu.org>
2147 * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
2148 * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
2150 2005-02-16 Richard Henderson <rth@redhat.com>
2153 * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
2155 (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
2156 replace uses with Wtype_MAXp1_F.
2157 (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
2158 L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
2159 L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
2160 L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
2161 and HAVE_TFMODE as appropriate.
2162 (__fixunssfDI): Provide an implementation that doesn't need DFmode.
2163 (__floatdisf): Likewise.
2164 * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
2165 (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
2166 (Wtype_MAXp1_F): New.
2167 (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
2168 __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
2170 2005-02-16 Richard Earnshaw <rearnsha@arm.com>
2173 * arm.c (arm_apply_result_size): New function.
2174 * arm.h (APPLY_RESULT_SIZE): Define.
2175 * arm-protos.h (arm_apply_result_size): Add prototype.
2176 * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
2177 (movxf): New expand.
2178 (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
2179 (call_value_symbol): Remove predicate for operand 0.
2180 (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
2181 (untyped_call): Rework to correclty return values for any type.
2182 (untyped_return): New expand.
2183 * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
2185 2005-02-16 Stan Shebs <shebs@apple.com>
2187 * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
2188 * config/rs6000/t-darwin8: New, for 64-bit multilib.
2190 2005-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2192 * doc/install.texi (sparc-sun-solaris2*): Document required GMP
2193 configure settings on Solaris 7 and later.
2195 2005-02-16 Diego Novillo <dnovillo@redhat.com>
2197 PR tree-optimization/19865
2198 * tree-optimize.c (init_tree_optimization_passes): Run
2199 pass_may_alias after pass_sra.
2201 2005-02-16 Richard Henderson <rth@redhat.com>
2202 Stuart Hastings <stuart@apple.com>
2205 * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2206 Do nothing if debug info suppressed for this function.
2207 (dbxout_begin_function): Early exit if debug info suppressed for
2210 2005-02-16 Kazu Hirata <kazu@cs.umass.edu>
2213 * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2215 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2217 PR tree-optimization/19967
2218 * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2219 expand_builtin_strchr, expand_builtin_strrchr): Take a new
2220 argument TYPE. Adjust calls to fold_builtin_XXX.
2221 (expand_builtin, fold_builtin_1): Adjust calls to
2223 (fold_builtin_strchr, fold_builtin_strpbrk,
2224 fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2225 result to a requested type TYPE.
2227 2005-02-16 Jakub Jelinek <jakub@redhat.com>
2230 * fold-const.c (fold): Don't optimize (T)(x & cst) to
2231 (T)x & (T)cst if (T)cst overflows.
2232 * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2233 TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2235 2005-02-15 Jeff Law <law@redhat.com>
2237 * gcse.c (blocks_with_calls): New bitmap.
2238 (alloc_gcse_mem): Allocate it.
2239 (free_gcse_mem): Free it.
2240 (clear_modifY_mem_tables): Clear it.
2241 (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2242 when we encounter CALL_INSNs.
2243 (compute_transp, case MEM): Handle blocks with calls separate
2244 from blocks without calls. Use bitmap iterators rather than
2247 2005-02-15 Peter O'Gorman <peter@pogma.com>
2250 * mklibgcc.in (vis_hide): Use a temporary object file, not
2253 2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
2256 * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2257 access optimization.
2259 2005-02-15 David Edelsohn <edelsohn@gnu.org>
2260 Alan Modra <amodra@bigpond.net.au>
2263 * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2264 (_xlqsub): Rename to __gcc_qsub.
2265 (_xlqmul): Rename to __gcc_qmul.
2266 (_xlqdiv): Rename to __gcc_qdiv.
2267 Provide versioned symbol aliases with old names.
2268 * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2269 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2270 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2271 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2272 * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2274 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
2276 * fold-const.c (fold): Fold -(~A) to A + 1. Fold ~(-A) to A - 1.
2277 Fold ~(A - 1) and ~(A + -1) to -A.
2279 2005-02-15 James A. Morrison <phython@gcc.gnu.org>
2283 * config/host-linux.c (linux_gt_pch_use_address): Copy from
2284 config/pa/pa-host.c:pa_gt_pch_use_address.
2286 2005-02-15 Daniel Berlin <dberlin@dberlin.org>
2288 * tree-vn.c (get_value_handle): Make sure that given an
2289 is_gimple_min_invariant expression, we always return it.
2291 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
2293 * passes.c (rest_of_handle_gcse): Fix a comment.
2295 2005-02-15 Jeff Law <law@redhat.com>
2297 * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2299 (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2300 (canon_list_insert, record_last_mem_set_info): Similarly.
2301 (clear_modify_mem_tables): Similarly.
2303 2005-02-15 Kazu Hirata <kazu@cs.umass.edu>
2305 * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2306 tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2307 config/mips/mips.md, config/rs6000/aix.h,
2308 config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2310 2005-02-15 Richard Henderson <rth@redhat.com>
2312 * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2313 call to be best_edge.
2315 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
2317 * basic-block.h: Adjust the prototype for find_basic_blocks.
2318 * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2319 * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2322 * flow.c (recompute_reg_usage): Remove all arguments.
2323 * passes.c (rest_of_compilation): Adjust the call to
2324 recompute_reg_usage.
2325 * rtl.h: Adjust the prototype for recompute_reg_usage.
2327 2005-02-14 Daniel Berlin <dberlin@dberlin.org>
2329 * tree-dump.c (dump_files): Update to reflect new member
2331 (dump_register): Add new argument.
2333 (dump_switch_p_1): Check against glob name if doglob was passed.
2334 (dump_switch_p): Check against regular first, then glob if
2335 we didn't have any hits on the dump name.
2336 * tree-optimize.c (register_one_dump_file):
2337 Pass in glob name as well.
2338 * tree-pass.h (struct dump_file_info): Add glob
2341 2005-02-14 Joseph S. Myers <joseph@codesourcery.com>
2343 PR preprocessor/16323
2344 * doc/invoke.texi: Document that -Wendif-labels is on by default.
2346 2005-02-14 David Edelsohn <edelsohn@gnu.org>
2349 * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2350 (trunctfdf2_internal1): New.
2351 (trunctfdf2_internal2): Renamed from trunctfdf2.
2353 2005-02-14 Diego Novillo <dnovillo@redhat.com>
2355 PR tree-optimization/19853
2356 * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2358 2005-02-14 Kazu Hirata <kazu@cs.umass.edu>
2360 * passes.c (rest_of_handle_loop_optimize): Remove calls to
2361 delete_dead_jumptables and cleanup_cfg.
2363 2005-02-14 Ulrich Weigand <uweigand@de.ibm.com>
2365 * reload.c (find_reloads): Swap address_reloaded flags when
2366 swapping commutative operands.
2368 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr>
2370 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2371 Use standard_iv_increment_position for computing the bsi position
2373 * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2376 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2379 * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2380 life range of hard registers.
2381 * value-prof.c (insn_prefetch_values_to_profile): Only
2384 * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2385 profile in libcalls.
2387 2005-02-13 Nathan Sidwell <nathan@codesourcery.com>
2389 * bitmap.h (bitmap_and_compl_into): Return bool.
2390 * bitmap.c (bitmap_and_compl_into): Return changed flag.
2392 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
2394 PR tree-optimization/19944
2395 * fold-const.c (fold): Re-add ABS_EXPR folding.
2397 2005-02-13 David Edelsohn <edelsohn@gnu.org>
2400 * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2401 {TARGET,MASK}_XL_COMPAT.
2402 (SUBTARGET_SWITCHES): Rename xl-call to xl-compat. Use
2404 * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2405 * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2407 (rs6000_arg_partial_bytes): Same.
2408 (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2409 and XL compatibility enabled.
2410 * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2411 * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2412 test to final condition.
2413 (cmptf_internal2): New.
2414 * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2415 xl-compat. Add TFmode information to description.
2417 2005-02-13 Kazu Hirata <kazu@cs.umass.edu>
2419 * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2421 2005-02-13 Jason Merrill <jason@redhat.com>
2424 * fold-const.c (fold_indirect_ref_1): Split out from...
2425 (build_fold_indirect_ref): Here.
2426 (fold_indirect_ref): New fn.
2427 * tree.h: Declare it.
2428 * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2429 (gimplify_modify_expr_rhs): Likewise.
2430 (gimplify_expr): Likewise.
2432 2005-02-13 James A. Morrison <phython@gcc.gnu.org>
2434 PR tree-optimization/14303
2435 PR tree-optimization/15784
2436 * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2437 Fold ABS_EXPR<x> < 0 to false. Fold ABS_EXPR<x> == 0 to x == 0 and
2438 ABS_EXPR<x> != 0 to x != 0.
2440 2005-02-12 Kazu Hirata <kazu@cs.umass.edu>
2442 * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2443 simplify-rtx.c, tree-ssa-live.h: Fix comment typos. Follow
2444 spelling conventions.
2446 * passes.c (rest_of_handle_gcse): Don't run cse_main and
2447 delete_trivially_dead_insns too many times.
2449 * passes.c (rest_of_handle_gcse): Remove dead assignments to
2452 2005-02-12 Ira Rosen <irar@il.ibm.com>
2454 * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2455 (vect_is_simple_iv_evolution): Remove redundant parameter
2457 (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2458 without last parameter.
2459 (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2460 Return pointer step. Call vect_is_simple_iv_evolution without
2461 last parameter. Check only that the step is multiple of size
2462 type. Remove stmt_vinfo updates.
2463 (vect_get_memtag_and_dr): Remove.
2464 (vect_get_memtag): New function.
2465 (vect_address_analysis): New function.
2466 (vect_object_analysis): New function.
2467 (vect_analyze_data_refs): Call vect_object_analysis and
2468 vect_get_memtag. Update stmt_vinfo fields.
2470 2005-02-12 Ira Rosen <irar@il.ibm.com>
2472 * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2473 exist and are objects. Remove checks for pointer.
2474 * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2475 STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2476 (vect_create_data_ref_ptr): Likewise.
2477 (vect_base_addr_differ_p): New function.
2478 (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2479 (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2480 Don't set the DR_BASE_NAME field of data-ref.
2481 (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2483 2005-02-12 Uros Bizjak <uros@kss-loka.si>
2485 * optabs.h (enum optab_index): Add new OTI_ldexp.
2486 (ldexp_optab): Define corresponding macro.
2487 * optabs.c (init_optabs): Initialize ldexp_optab.
2488 * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2490 * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2492 (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2493 expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2495 * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2496 to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2499 2005-02-12 Ira Rosen <irar@il.ibm.com>
2501 * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2503 * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2505 (vect_get_base_and_offset): Always return an address.
2506 (vect_create_addr_base_for_vector_ref): Remove treatment for
2507 different data reference types.
2508 (vect_compute_data_ref_alignment): Rename base to base_address in
2509 stmt_vec_info. Get the object in order to force its alignment.
2510 (vect_get_memtag_and_dr): Rename base to base_address in
2511 stmt_vec_info. Extract the object for memtag analysis.
2513 2005-02-12 Hans-Peter Nilsson <hp@axis.com>
2515 PR regression/19898.
2516 * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2517 changes cc_status, use apply modified_in_p to part of cc_status
2518 and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2521 2005-02-11 Richard Henderson <rth@redhat.com>
2523 * tree-complex.c (expand_complex_libcall): New.
2524 (expand_complex_multiplication): Use it for c99 compliance.
2525 (expand_complex_division): Likewise.
2526 * fold-const.c (fold_complex_add, fold_complex_mult): New.
2528 * builtins.c (built_in_names): Remove const.
2529 * tree.c (build_common_builtin_nodes): Build complex arithmetic
2531 * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2532 (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2533 (built_in_names): Remove const.
2534 * c-common.c (c_common_type_for_mode): Handle complex modes.
2535 * flags.h, toplev.c (flag_complex_method): Rename from
2536 flag_complex_divide_method.
2537 * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2538 __mulsc3, __muldc3, __mulxc3, __multc3): New.
2539 * libgcc2.h: Declare them.
2540 * libgcc-std.ver: Export them.
2541 * mklibgcc.in (lib2funcs): Build them.
2543 2005-02-11 Steven Bosscher <stevenb@suse.de>
2545 PR tree-optimization/19876
2546 Partially revert my change from 2005-01-14
2547 * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2548 (compute_antic): ...and remove the loop here.
2550 2005-02-11 Jakub Jelinek <jakub@redhat.com>
2553 * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2554 is number of inner's bits, avoid creating a BIT_FIELD_REF.
2556 * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2557 crtend.o if -pie. Use %{x:a;:b} spec syntax.
2559 2005-02-11 Daniel Jacobowitz <dan@codesourcery.com>
2561 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2562 offsets for the big-endian 32-bit case.
2564 2005-02-11 Joseph S. Myers <joseph@codesourcery.com>
2566 * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2568 2005-02-11 Dale Johannesen <dalej@apple.com>
2570 * cselib.c (cselib_process_insn): Clear out regs where
2571 HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2572 * reload.c (find_equiv_reg): Ditto.
2574 2005-02-11 Ian Lance Taylor <ian@airs.com>
2576 * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2579 * tree.c (build_function_type_list): Work correctly if there are
2582 2005-02-11 Ulrich Weigand <uweigand@de.ibm.com>
2584 * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2585 "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2586 ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2587 TARGET_ZARCH instead of TARGET_64BIT.
2589 2005-02-11 Ralf Corsepius <ralf.corsepius@rtems.org>
2591 * config/rs6000/t-rtems:
2592 (MULTILIB_OPTIONS): Remove mcpu=602.
2593 (MUTLILIB_DIRNAMES): Remove m602.
2594 (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2595 Let mcpu=602 match mcpu=603.
2596 (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2598 2005-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2600 * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2603 2005-02-10 David Daney <ddaney@avtrex.com>
2605 * config/alpha/linux-unwind.h: Add exception clause to copyright.
2606 * config/i386/linux-unwind.h: Likewise.
2607 * config/ia64/linux-unwind.h: Likewise.
2608 * config/mips/linux-unwind.h: Likewise.
2609 * config/pa/linux-unwind.h: Likewise.
2610 * config/rs6000/linux-unwind.h: Likewise.
2611 * config/s390/linux-unwind.h: Likewise.
2612 * config/sh/linux-unwind.h: Likewise.
2613 * config/sparc/linux-unwind.h: Likewise.
2615 2005-02-10 Steven Bosscher <stevenb@suse.de>
2617 PR tree-optimization/17549
2618 * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2619 TER to replace a DEF with its expression if the DEF and the
2620 rhs of the expression we replace into have the same root
2623 2005-02-10 Richard Sandiford <rsandifo@redhat.com>
2625 * config/mips/mips.md: Fix the placement of the match_scratch in the
2628 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
2630 * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2633 2005-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2635 * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2636 (strip_offset): Handle addresses.
2637 (add_address_candidates): Use strip_offset.
2638 (difference_cost): Reflect strip_offset change.
2639 (force_var_cost, difference_cost): Strip nops.
2641 2005-02-10 Kazu Hirata <kazu@cs.umass.edu>
2643 * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2645 * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2646 tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2647 config/cris/cris-protos.h, config/cris/cris.c: Update
2650 2005-02-10 Jeff Law <law@redhat.com>
2652 * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2653 (lookup_avail_expr): Similarly.
2655 2005-02-10 Richard Guenther <rguenth@gcc.gnu.org>
2657 * builtins.c (fold_builtin_powi): New function.
2658 (fold_builtin_1): Call it.
2660 2005-02-10 Steven Bosscher <stevenb@suse.de>
2662 PR documentation/19309
2663 * doc/cpp.texi: The __GNUC__ and related predefined macros
2664 are also defined for the "standalone" cpp.
2665 Some non-GCC compilers may also define __GNUC__.
2667 2005-02-10 Jakub Jelinek <jakub@redhat.com>
2670 * c-typeck.c (common_type): New routine. Old common_type renamed
2672 (c_common_type): ...this.
2673 (build_conditional_expr, build_binary_op): Use c_common_type instead
2676 2005-02-10 Steven Bosscher <stevenb@suse.de>
2678 * doc/md.texi: Replace @samp{length} with @code{length}.
2680 2005-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2682 PR tree-optimization/18687
2683 * tree-flow.h (find_loop_niter): Declare.
2684 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2685 Try using scev even for loops with more than one exit.
2686 * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2687 (struct ivopts_data): Added niters field.
2688 (struct nfe_cache_elt): New.
2689 (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2691 (tree_ssa_iv_optimize_init): Initialize niters cache.
2692 (determine_number_of_iterations): Removed.
2693 (find_induction_variables): Do not call determine_number_of_iterations.
2694 Access niters for single exit through niter_for_single_dom_exit.
2695 (add_iv_outer_candidates): Access niters for single exit through
2696 niter_for_single_dom_exit.
2697 (may_eliminate_iv): Take data argument. Use niter_for_exit. Do not use
2698 number_of_iterations_cond.
2699 (iv_period): New function.
2700 (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2701 (may_replace_final_value): Take data argument. Use
2702 niter_for_single_dom_exit.
2703 (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2704 (rewrite_use_compare): Pass data to may_eliminate_iv.
2705 (rewrite_use_outer): Pass data to may_replace_final_value.
2706 (free_loop_data): Clean up the niters cache.
2707 (tree_ssa_iv_optimize_finalize): Free the niters cache.
2708 (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2709 * tree-ssa-loop-niter.c (find_loop_niter): New function.
2710 (find_loop_niter_by_eval): Use tree_int_cst_lt.
2711 (num_ending_zeros): Moved to tree.c.
2712 * tree.h (num_ending_zeros): Declare.
2713 * tree.c (num_ending_zeros): Moved from tree.c.
2715 2005-02-09 Richard Henderson <rth@redhat.com>
2717 * builtins.c (DEF_BUILTIN): Add COND argument.
2718 * tree.h (DEF_BUILTIN): Likewise.
2719 * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2720 DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2722 (DEF_BUILTIN_STUB): New.
2723 (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2724 BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2725 BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2726 * c-common.c (DEF_BUILTIN): Add COND argument.
2727 * tree.c (local_define_builtin): New.
2728 (build_common_builtin_nodes): New.
2730 2005-02-09 Roger Sayle <roger@eyesopen.com>
2732 * fold-const.c (fold_strip_sign_ops): New function to simplify a
2733 floating point expression ignoring the sign of the result.
2734 (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2735 (fold) <MULT_EXPR>: Use it to simplify x*x.
2736 * tree.h (fold_strip_sign_ops): Prototype here.
2737 * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2738 argument. Use fold_strip_sign_ops to simplify the first argument.
2739 (fold_builtin_pow): Use fold_strip_sign_ops to simplify the
2740 first argument when the second argument is an even integer
2741 constant, but only with -funsafe_math_optimizations.
2742 (fold_builtin_1): Update call to fold_builtin_copysign.
2744 2005-02-09 Ian Lance Taylor <ian@airs.com>
2747 * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2748 just check whether EH_FILTER_FAILURE falls through.
2750 2005-02-09 Andreas Krebbel <krebbel1@de.ibm.com>
2752 * gcc/haifa-sched.c (schedule_block): Make queued sched group
2753 insns return to ready list in the next turn.
2755 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
2758 * builtins.def: New __builtin_powi[lf].
2759 * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2760 (expand_builtin_powi): New function.
2761 (expand_builtin): Dispatch to expand_builtin_powi.
2762 * libgcc2.h: Add prototypes for __builtin_powi[lf].
2763 * libgcc2.c: Add __builtin_powi[lf] implementation.
2764 * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2765 * optabs.h: Add powi_optab.
2766 * optabs.c (init_optabs): Initialize powi_optab.
2767 * doc/extend.texi: Document __builtin_powi[lf].
2769 2005-02-09 Dorit Naishlos <dorit@il.ibm.com>
2771 * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2774 2005-02-09 Richard Guenther <rguenth@gcc.gnu.org>
2777 * fold-const.c (try_move_mult_to_index): Remove redundant
2778 type argument. Create ADDR_EXPR with correct type.
2779 (fold): Update callers of try_move_mult_to_index. Convert
2780 result to the appropriate type.
2782 2005-02-09 Roger Sayle <roger@eyesopen.com>
2785 * config/avr/avr.c (default_rtx_costs): Delete.
2786 (avr_operand_rtx_cost): New function.
2787 (avr_rtx_costs): Completely rewrite.
2789 2005-02-08 Hans-Peter Nilsson <hp@axis.com>
2792 * config/cris/cris.c (in_code): New variable.
2793 (cris_output_addr_const): Now a static function, a wrapper for
2795 (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2796 case from old cris_output_addr_const.
2797 (cris_asm_output_label_ref): Similar for LABEL_REF.
2798 (cris_output_addr_const_extra): Similar for UNSPEC.
2799 * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2800 (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2801 * config/cris/cris-protos.h (cris_output_addr_const): Remove
2803 (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2804 (cris_asm_output_label_ref): Declare.
2806 2005-02-08 Paolo Bonzini <bonzini@gnu.org>
2808 PR preprocessor/19801
2809 * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2810 filenames that changed when libcpp was moved to the toplevel.
2812 2005-02-07 Roger Sayle <roger@eyesopen.com>
2814 * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2815 zero extensions of BImode operands. Call lowpart_subreg instead
2816 of gen_lowpart_common and gen_lowpart_SUBREG.
2818 2005-02-07 Nathanael Nerode <neroden@gcc.gnu.org>
2821 * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2822 * configure.ac: Set cc_for_cross_gnattools.
2823 * configure: Regenerate.
2825 2005-02-08 Alan Modra <amodra@bigpond.net.au>
2828 * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2830 2005-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2833 * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2834 of nested functions.
2836 2005-02-07 Jonathan Wakely <redi@gcc.gnu.org>
2838 * doc/extend.texi: Document deprecated extensions allowing
2839 static floating-point members to have initializers and allowing
2840 floating-point literals in integral constant expressions.
2842 2005-02-07 Kazu Hirata <kazu@cs.umass.edu>
2844 * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2845 config/darwin7.h, config/mips/mips.c,
2846 config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2849 * cse.c: Update comments.
2851 2005-02-07 Richard Guenther <rguenth@gcc.gnu.org>
2854 * builtins.c (fold_builtin_sqrt): Transform
2855 sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2858 2005-02-07 Leehod Baruch <leehod@il.ibm.com>
2859 Dorit Naishlos <dorit@il.ibm.com>
2861 * doc/invoke.texi (ftree-vectorizer-verbose): New.
2862 * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2863 * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2865 * tree.h (vect_set_verbosity_level): New extern function declaration
2867 * tree-vectorizer.h (verbosity_levels): New enum type.
2868 * tree-vectorizer.c (vect_debug_stats): Function removed.
2869 (vect_debug_details): Likewise.
2870 (vect_verbosity_level): Global variable was defined and initialized.
2871 (vect_dump): Global variable definition.
2872 (vect_print_dump_info): New function.
2873 (vect_set_dump_settings): New function.
2874 (vect_set_verbosity_level): New function.
2875 (vectorize_loops): Add call to vect_set_dump_settings.
2877 (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2878 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2879 (slpeel_tree_peel_loop_to_edge): Likewise.
2881 (vect_analyze_offset_expr): Call to vect_print_dump_info with
2882 appropriate verbosity level instead of call to vect_debug_details
2883 or vect_debug_stats.
2884 (vect_get_base_and_offset):
2885 (vect_create_addr_base_for_vector_ref):
2886 (get_vectype_for_scalar_type):
2887 (vect_create_data_ref_ptr):
2889 (vect_get_vec_def_for_operand):
2890 (vect_finish_stmt_generation):
2891 (vectorizable_assignment):
2892 (vectorizable_operation):
2893 (vectorizable_store):
2894 (vectorizable_load):
2895 (vect_transform_stmt):
2896 (vect_update_ivs_after_vectorizer):
2897 (vect_do_peeling_for_loop_bound):
2898 (vect_update_inits_of_drs):
2899 (vect_do_peeling_for_alignment):
2900 (vect_transform_loop):
2901 (vect_is_simple_use):
2902 (vect_analyze_operations):
2903 (vect_is_simple_iv_evolution):
2904 (vect_analyze_scalar_cycles):
2905 (vect_analyze_data_ref_dependence):
2906 (vect_analyze_data_ref_dependences):
2907 (vect_compute_data_ref_alignment):
2908 (vect_enhance_data_refs_alignment):
2909 (vect_analyze_data_refs_alignment):
2910 (vect_analyze_data_ref_access):
2911 (vect_analyze_data_ref_accesses):
2912 (vect_analyze_pointer_ref_access):
2913 (vect_get_memtag_and_dr):
2914 (vect_analyze_data_refs):
2915 (vect_mark_relevant):
2916 (vect_stmt_relevant_p):
2917 (vect_mark_stmts_to_be_vectorized):
2918 (vect_can_advance_ivs_p):
2919 (vect_get_loop_niters):
2920 (vect_analyze_loop_form):
2921 (vect_analyze_loop):
2922 (vectorize_loops): Likewise.
2924 (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2925 (vect_update_inits_of_drs):
2926 (vect_do_peeling_for_alignment):
2927 (vect_transform_loop):
2928 (vect_analyze_operations):
2929 (vect_analyze_scalar_cycles):
2930 (vect_analyze_data_ref_dependences):
2931 (vect_analyze_data_refs_alignment):
2932 (vect_analyze_data_ref_accesses):
2933 (vect_analyze_data_refs):
2934 (vect_mark_stmts_to_be_vectorized):
2935 (vect_get_loop_niters):
2936 (vect_analyze_loop_form):
2937 (vect_analyze_loop): Likewise.
2938 (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2940 2005-02-07 Richard Sandiford <rsandifo@redhat.com>
2944 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
2945 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2946 either -ffast-math or -funsafe-math-optimizations is in use.
2948 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
2949 * config/mips/irix-csr.c: New file.
2950 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2951 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2952 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2955 2005-02-07 Alexandre Oliva <aoliva@redhat.com>
2957 * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2958 redundant, incorrect definitions.
2960 * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2962 ("*tls_indirect_call"): New, reference hard regs directly.
2963 * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2965 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
2967 * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2968 Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2970 2005-02-06 Roger Sayle <roger@eyesopen.com>
2972 PR rtl-optimization/19800
2973 * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2974 call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2977 2005-02-07 Ralf Corsepius <ralf.corsepius@rtems.org>
2979 * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2981 2005-02-07 Joseph S. Myers <joseph@codesourcery.com>
2984 * doc/invoke.texi: Correct documentation of -freorder-functions.
2986 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
2989 * doc/invoke.texi: Don't mention gccbug.
2991 2005-02-06 Roger Sayle <roger@eyesopen.com>
2992 Andrew Pinski <pinskia@physics.uc.edu>
2993 Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
2995 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2996 (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2997 into just (zero_extract:SI FOO (const_int 1) BAR).
2999 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3001 * doc/cpp.texi: Include gcc-common.texi. Don't define gcctabopt
3002 macro locally. Don't give last revision date. Use GCC version
3003 number from gcc-common.texi.
3004 * doc/cppinternals.texi: Include gcc-common.texi. Don't give last
3005 revision date. Use GCC version number from gcc-common.texi.
3006 Describe being a library as current state rather than as 3.x
3008 * doc/gcc.texi: Remove last update date.
3009 * doc/gccint.texi: Likewise. Update copyright dates.
3010 * doc/install.texi: Update copyright dates.
3012 2005-02-06 Joseph S. Myers <joseph@codesourcery.com>
3015 * doc/invoke.texi: Mention for each option included in -Wall that
3016 it is included in -Wall.
3017 * doc/gcc.texi: Update copyright and last modification date.
3019 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3021 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
3022 unnecessary cast to original induction variable increments.
3024 2005-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3026 PR tree-optimization/18219
3027 * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
3028 in distributed form.
3030 2005-02-06 Richard Sandiford <rsandifo@redhat.com>
3032 * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
3033 Set bitpos and offset later in the function. Do nothing if the
3034 target is a register and if the bitfield lies completely outside
3036 (extract_bit_field): Make the same SUBREG, bitpos and offset changes
3037 here. Return an uninitialised register if the source value is stored
3038 in a register and the bitfield lies completely outside that register.
3040 2005-02-06 Steven Bosscher <stevenb@suse.de>
3042 * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
3045 2005-02-06 Marcin Dalecki <martin@dalecki.de>
3047 * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
3049 2005-02-06 Geoffrey Keating <geoffk@apple.com>
3051 * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
3052 * config/darwin8.h: New.
3053 * config/darwin7.h: Update comment.
3055 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3056 Dorit Naishlos <dorit@il.ibm.com>
3058 * tree-vectorizer.h (LOC): New type.
3059 (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
3060 (loop_line_number): New field in struct _loop_vec_info.
3061 (LOOP_VINFO_LOC, LOOP_LOC): New macros.
3063 * tree-vectorizer.c (input.h): Included.
3064 (find_loop_location): New function.
3065 (vect_debug_stats): Argument changed from loop to LOC. Computation of
3066 loop line number removed.
3067 (vect_debug_details): Likewise.
3068 (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
3070 (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
3071 call to vect_debug_details/stats changed from loop to loop_loc.
3072 (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
3073 (slpeel_tree_peel_loop_to_edge): Likewise.
3075 (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
3076 changed from NULL to UNKNOWN_LOC.
3077 (vect_get_base_and_offset):
3078 (vect_create_addr_base_for_vector_ref):
3079 (get_vectype_for_scalar_type):
3080 (vect_create_data_ref_ptr):
3082 (vect_get_vec_def_for_operand):
3083 (vect_finish_stmt_generation):
3084 (vectorizable_assignment):
3085 (vectorizable_operation):
3086 (vectorizable_store):
3087 (vectorizable_load):
3088 (vect_transform_stmt):
3089 (vect_update_ivs_after_vectorizer):
3090 (vect_do_peeling_for_loop_bound):
3091 (vect_do_peeling_for_alignment):
3092 (vect_transform_loop):
3093 (vect_is_simple_use):
3094 (vect_analyze_operations):
3095 (vect_is_simple_iv_evolution):
3096 (vect_analyze_scalar_cycles):
3097 (vect_analyze_data_ref_dependences):
3098 (vect_compute_data_ref_alignment):
3099 (vect_enhance_data_refs_alignment):
3100 (vect_analyze_data_ref_access):
3101 (vect_analyze_data_ref_accesses):
3102 (vect_analyze_pointer_ref_access):
3103 (vect_get_memtag_and_dr):
3104 (vect_analyze_data_refs):
3105 (vect_mark_relevant):
3106 (vect_stmt_relevant_p):
3107 (vect_mark_stmts_to_be_vectorized):
3108 (vect_can_advance_ivs_p):
3109 (vect_get_loop_niters):
3110 (vect_analyze_loop):
3111 (vectorize_loops): Likewise.
3113 (vectorizable_load): Argument in call to vect_debug_details/stats
3114 changed from loop to LOOP_LOC (loop_vinfo).
3115 (vect_transform_loop):
3116 (vect_analyze_operations):
3117 (vect_analyze_scalar_cycles):
3118 (vect_analyze_data_ref_dependence):
3119 (vect_enhance_data_refs_alignment):
3120 (vect_analyze_data_ref_accesses):
3121 (vect_analyze_pointer_ref_access):
3122 (vect_analyze_data_refs):
3123 (vect_analyze_loop): Likewise.
3125 (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
3126 changed from loop to loop_loc.
3128 (vect_enhance_data_refs_alignment): Removed unused variable loop.
3130 2005-02-03 Leehod Baruch <leehod@il.ibm.com>
3131 Dorit Naishlos <dorit@il.ibm.com>
3133 * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
3135 (vect_analyze_data_ref_dependences): Likewise.
3137 (vect_is_simple_use): Argument changed from loop structure to
3138 loop_vect_info structure.
3139 (vect_can_advance_ivs_p): Likewise.
3140 (vect_create_index_for_vector_ref): Likewise.
3141 (vect_update_ivs_after_vectorizer): Likewise.
3142 (new_stmt_vec_info): Likewise.
3144 (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
3145 changed from loop to loop_vinfo.
3146 (vect_create_data_ref_ptr): First argument in call to
3147 vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
3148 (vectorizable_assignment): Second argument in call to vect_is_simple_use
3149 was changed from loop to loop_vinfo.
3150 (vectorizable_operation): Likewise.
3151 (vectorizable_store): Likewise.
3152 (vect_mark_stmts_to_be_vectorized): Likewise.
3153 (vect_do_peeling_for_loop_bound): First argument in call to
3154 vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
3155 (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
3156 was changed from loop to loop_vinfo.
3157 (vect_analyze_data_ref_dependences): Third argument in call to
3158 vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
3160 (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
3161 (vect_create_data_ref_ptr): Likewise.
3162 (vect_init_vector): Likewise.
3163 (vect_get_vec_def_for_operand): Likewise.
3164 (vectorizable_assignment): Likewise.
3165 (vectorizable_operation): Likewise.
3166 (vectorizable_store): Likewise.
3167 (vectorizable_load): Likewise.
3168 (vect_update_ivs_after_vectorizer): Likewise.
3169 (vect_is_simple_use): Likewise.
3170 (vect_analyze_data_ref_dependence): Likewise.
3171 (vect_analyze_pointer_ref_access): Likewise.
3172 (vect_can_advance_ivs_p): Likewise.
3174 * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
3175 before _stmt_vec_info.
3176 (_stmt_vec_info): Loop field replaced by loop_vec_info.
3177 (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
3178 (new_stmt_vec_info): Argument changed from loop structure to
3179 loop_vect_info structure
3181 (vect_analyze_data_ref_dependences): Unnecessary line was removed.
3182 (vect_analyze_offset_expr): Avoid 80 columns overflow.
3183 (vect_create_addr_base_for_vector_ref): Likewise.
3184 (vect_analyze_pointer_ref_access): Likewise.
3186 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
3189 * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
3190 phi flag if the phi is abnormal.
3192 2005-02-03 Andrew Pinski <pinskia@physics.uc.edu>
3195 * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3196 information for the new statement.
3198 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
3201 * gcc.c (main): Include the target in -v output.
3203 2005-02-03 Alexandre Oliva <aoliva@redhat.com>
3205 * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3206 Do not drop the extend if we'd have to add a paradoxical subreg
3207 later. Include optabs.h and insn-codes.h.
3208 * Makefile.in (combine.o): Depend on $(OPTABS_H).
3210 2005-02-02 Roger Sayle <roger@eyesopen.com>
3213 * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3214 * fold-const.c (const_binop): Avoid constant folding floating
3215 point operations in modes that use composite representations.
3216 * simplify-rtx.c (simplify_binary_operation): Likewise.
3218 2005-02-02 Geoffrey Keating <geoffk@apple.com>
3220 * config/rs6000/altivec.md (altivec_dst): Make the first operand
3222 (altivec_dstt): Likewise.
3223 (altivec_dstst): Likewise.
3224 (altivec_dststt): Likewise.
3225 * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3228 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3230 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3231 EXPR_LOCUS from orig_cond to the new cond_stmt.
3232 (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3235 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3237 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3238 standard_iv_increment_position. Remove call to bsi_next
3239 (no need to bump the iterator anymore).
3240 (vect_create_index_for_vector_ref): Call
3241 standard_iv_increment_position. Remove second function argument.
3242 (vect_finish_stmt_generation): Remove call to bsi_next
3243 (no need to bump the iterator anymore).
3244 (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3245 to vect_create_index_for_vector_ref.
3247 2005-02-03 Dorit Naishlos <dorit@il.ibm.com>
3249 * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3250 phis are used out of the loop.
3252 2005-02-03 Joseph S. Myers <joseph@codesourcery.com>
3255 * c-decl.c (undef_nested_function): New variable.
3256 (pop_scope): Diagnose undefined nested functions.
3257 (finish_function): Don't attempt cgraph processing or genericizing
3258 if current top-level function contained an undefined nested
3259 function. Reset undef_nested_function at the end of a top-level
3262 2005-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3264 * tree.c (build_int_cst_type): Take sign of the value into account
3265 when deciding whether sign extend the value.
3267 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3270 * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3271 (cpp_options, cc1_options): Change %{std*&ansi} to
3272 %{std*&ansi&trigraphs}.
3274 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
3276 * cse.c: Update comments.
3278 2005-02-02 Aldy Hernandez <aldyh@redhat.com>
3280 * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3281 arguments go on the stack. Do not put complex doubles in odd/even
3284 2005-02-02 Steven Bosscher <stevenb@suse.de>
3286 * doc/invoke.texi: Update the options enabled at -O1, -O2,
3287 and -O3. Update the documentation for -fgcse-sm, -fgcse-las,
3288 -ftree-pre, and -fthread-jumps.
3290 2005-02-02 Richard Sandiford <rsandifo@redhat.com>
3292 PR tree-optimization/19578
3293 * tree-flow.h (modified_noreturn_calls): Declare.
3294 (noreturn_call_p): Declare.
3295 * tree-flow-inline.h (noreturn_call_p): New function.
3296 (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3297 * tree-cfg.c (modified_noreturn_calls): New variable.
3298 (cleanup_control_flow): Use noreturn_call_p. Split basic blocks
3299 that contain a mid-block noreturn call.
3300 * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3302 2005-02-02 Kazu Hirata <kazu@cs.umass.edu>
3304 * df.c (df_def_record_1, df_uses_record): Don't use
3306 * df.h (DF_FOR_REGALLOC): Remove.
3308 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3311 * c-typeck.c (really_start_incremental_init): Reset
3312 constructor_max_index for arrays of incomplete type.
3314 2005-02-02 Jeff Law <law@redhat.com>
3316 * gcse.c (struct reg_set): Store the block index where the register
3317 was set rather than the setting insn.
3318 (record_one_set, compute_transp): Corresponding changes.
3319 (pre_insert_copy_insn): Do not call replace_one_set.
3320 (replace_one_set): Remove.
3322 2005-02-02 Joseph S. Myers <joseph@codesourcery.com>
3325 * doc/gcov.texi: Fix typo.
3327 2005-02-01 Richard Henderson <rth@redhat.com
3330 * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3331 * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3333 (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3334 * config/i386/i386-protos.h: Update.
3336 2005-02-01 Steven Bosscher <stevenb@suse.de>
3338 PR tree-optimization/19217
3339 * tree-cfg.c (verify_expr): Use the data field to see if TP was
3340 seen inside a PHI node. Do not do the ADDR_EXPR check if it was.
3341 (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3342 that it is walking a PHI node.
3344 2005-02-01 Joseph S. Myers <joseph@codesourcery.com>
3346 * doc/extend.texi (Nested Functions): Update.
3348 2005-02-01 Richard Henderson <rth@redhat.com>
3351 * optabs.c (expand_copysign_absneg): Export.
3352 * optabs.h (expand_copysign_absneg): Declare.
3353 * config/rs6000/rs6000.md (copysigntf3): New.
3355 2005-02-01 Diego Novillo <dnovillo@redhat.com>
3357 PR tree-optimization/19633
3358 * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3359 * tree-ssa-alias.c (init_alias_info): Initialize.
3360 (merge_pointed_to_info): Set.
3361 (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3362 (dump_points_to_info_for): Show value of pt_null.
3363 (struct count_ptr_d): Declare.
3364 (find_ptr_dereference): Remove.
3365 (ptr_is_dereferenced_by): Remove.
3366 (count_ptr_derefs): New local function.
3367 (count_uses_and_derefs): New local function.
3368 (compute_points_to_and_addr_escape): Call it. If the number
3369 of dereferences is greater than zero, mark the pointer as
3370 dereferenced. If there are fewer dereferences than uses of
3371 the pointer, the pointer's value escapes.
3373 2005-02-01 Diego Novillo <dnovillo@redhat.com>
3375 PR tree-optimization/19670
3376 * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3378 (verify_use): ... set it here, instead.
3380 2005-02-01 Janis Johnson <janis187@us.ibm.com>
3382 * doc/sourcebuild.texi (Test directives): Fix formatting.
3384 * doc/sourcebuild.texi (Test directives): Describe selector
3387 2005-02-01 Segher Boessenkool <segher@kernel.crashing.org>
3389 * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3390 specific 64-bit CPUs.
3392 2005-02-01 Richard Earnshaw <rearnsha@arm.com>
3395 * arm.c (arm_eliminable_register): New function.
3396 (adjacent_mem_locations): Don't allow eliminable registers. Use
3397 HOST_WIDE_INT for address offsets.
3398 * arm-protos.h (arm_eliminable_register): Add prototype.
3400 2005-02-01 Steven Bosscher <stevenb@suse.de>
3402 PR optimization/15242
3403 * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3404 * basic-block.h (duplicate_computed_gotos): Add prototype.
3405 * bb-reorder.c (duplicate_computed_gotos): New function to
3406 duplicate sufficiently small blocks ending in a computed jump.
3407 * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3408 if not optimizing for size.
3409 * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3410 never do tail merging for blocks ending in a computed jump.
3411 * doc/invoke.texi: Document the max-goto-duplication-insns param.
3413 2005-02-01 Eric Botcazou <ebotcazou@libertysurf.fr>
3415 Patch from Richard Sandiford <rsandifo@redhat.com>
3416 * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3417 from inheriting a subreg equivalence with a non-spill register.
3419 * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3421 2005-02-01 Alexandre Oliva <aoliva@redhat.com>
3423 * config/frv/frv.c (movcc_fp_destination_operand): New.
3424 (gpr_or_memory_operand): Fix typo in comment.
3425 (gpr_or_memory_operand_with_scratch): New.
3426 * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3427 * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3428 movcc_fp_destination_operand.
3429 (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3430 Legitimize memory addresses using a scratch register.
3432 2005-01-31 Jeff Law <law@redhat.com>
3434 * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3435 bitmap a sparse bitmap instead of a simple bitmap.
3436 (mark_def_sites_initialize_block): Corresponding changes.
3437 (ssa_mark_def_sites_initialize_block): Likewise.
3438 (ssa_mark_phi_uses): Likewise.
3439 (mark_def_site, ssa_mark_def_sites): Likewise.
3440 (mark_def_site_blocks): Likewise.
3441 (rewrite_ssa_into_ssa): Likewise.
3443 * tree-ssa-dom.c (record_cond): Pass correct variable type
3444 for last argument to htab_find_slot_with_hash.
3446 * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3447 effects when optimizing 0 % X. Do not try to optimize X % 0.
3449 2005-01-31 James E. Wilson <wilson@specifixinc.com>
3451 * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3454 2005-02-01 Eric Christopher <echristo@redhat.com>
3456 * config/mips/mips.c (override_options): Warn if -mint64
3458 * doc/invoke.texi (MIPS Options): Document that -mint64 is
3461 2005-02-01 Kazu Hirata <kazu@cs.umass.edu>
3463 * cse.c (cse_reg_info): Remove hash_next, next, regno. Add
3465 (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3466 REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3467 cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3468 (cached_regno): Initialize to INVALID_REGNUM.
3469 (cse_reg_info_table_size,
3470 cse_reg_info_table_first_uninitialized,
3471 cse_reg_info_timestamp): New.
3472 (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3474 (init_cse_reg_info, get_cse_reg_info_1): New.
3475 (get_cse_reg_info): Cache the last look-up.
3476 (new_basic_block): Update the code to clear mappings from
3477 registers to cse_reg_info entries.
3478 (cse_main): Call init_cse_reg_info.
3480 * cse.c (get_cse_reg_info): Update a comment.
3482 2005-01-31 Steven Bosscher <stevenb@suse.de>
3485 * c-decl.c (start_decl): Do not warn about arrays of elements with
3486 an incomplete type here.
3487 (grokdeclarator): Do it here by making a pedwarn an error.
3488 * c-typeck.c (push_init_level): If there were previous errors with
3489 the constructor type, do not warn about braces for initializers.
3490 (process_init_element): Likewise for excess initializer elements.
3492 2005-01-31 Kazu Hirata <kazu@cs.umass.edu>
3494 * cse.c (delete_trivially_dead_insn): Don't iterate.
3496 2005-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3498 * config/rs6000/rs6000.md (copysignsf3): New expand.
3499 (copysigndf3): Likewise.
3501 2005-01-31 Steven Bosscher <stevenb@suse.de>
3503 * recog.c (constrain_operands): Only look for earlyclobber operand
3504 conflicts if an '&' constraint was seen.
3506 2005-01-31 Marc Espie <espie@openbsd.org>
3508 * config.gcc: Don't include embedded systems fragment, switches default
3509 debugging format to ELF.
3510 * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3511 longer pick it up there.
3513 2005-01-31 Dale Johannesen <dalej@apple.com>
3515 * doc/extend.texi (nested functions): Fix linkage description.
3516 Clarify that static is not allowed.
3518 2005-01-31 Dale Johannesen <dalej@apple.com>
3520 * config/rs6000/darwin.md (movsf_low_di): Make work.
3521 (movdf_low_di): Make work.
3523 2005-01-31 Dale Johannesen <dalej@apple.com>
3525 * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3526 Make work for 64 bit.
3528 2005-01-31 Roger Sayle <roger@eyesopen.com>
3529 Dale Johannesen <dalej@apple.com>
3532 * fold-const.c (fold_binary_op_with_conditional_arg):
3533 Make types match original operands, before STRIP_NOPS.
3535 2005-01-31 Alan Modra <amodra@bigpond.net.au>
3537 * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3538 (struct gcc_regs): Rename from gcc_pt_regs. Add more regs.
3539 (struct gcc_sigcontext): Delete. Merge contents to..
3540 (struct gcc_ucontext): ..here.
3541 (get_sigcontext): Delete.
3542 (get_regs): New function, like get_sigcontext but return regs ptr.
3543 64-bit version finds regs from r1 to support vdso.
3544 (ppc_linux_aux_vector): New function.
3545 (ppc_fallback_frame_state): Modify for get_regs. Restore fprs
3548 2005-01-31 Ira Rosen <irar@il.ibm.com>
3550 * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3552 (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3553 redundant fold. Fix misalignment for MINUS_EXPR.
3554 (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3555 (vect_analyze_pointer_ref_access): Likewise.
3556 (vect_get_memtag_and_dr): Likewise.
3558 2005-01-31 Richard Henderson <rth@redhat.com>
3560 * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3561 (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3562 absnegdf2_i387, absnegxf2_i387): Likewise.
3564 2005-01-31 Richard Henderson <rth@redhat.com>
3567 * optabs.c (expand_copysign_absneg): New.
3568 (expand_copysign_bit): Split out from ...
3569 (expand_copysign): ... here. Use expand_copysign_absneg.
3571 2005-01-30 Roger Sayle <roger@eyesopen.com>
3574 * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3575 constant as the second operand and a register as the third.
3577 2005-01-31 Danny Smith <dannysmith@users.sourceforge.net>
3580 * config/i386/i386.c (ix86_function_ok_for_sibcall): Also check
3581 that dllimport'd functions do not use all call-clobbered registers
3584 2005-01-30 Richard Henderson <rth@redhat.com>
3587 * optabs.c (expand_absneg_bit): Split out from expand_unop and
3588 expand_abs_nojump and generalize. Use operand_subword and
3589 emit_no_conflict_block. Support large modes.
3590 (expand_abs_nojump): Use it. Use HONOR_SIGNED_ZEROS to fall
3592 (expand_unop): Likewise. Use HONOR_SIGNED_ZEROS to fall back
3593 negation to subtraction.
3594 (expand_copysign): Check that the format has signed zeros.
3595 Use operand_subword and emit_no_conflict_block. Support large modes.
3597 2005-01-30 Daniel Berlin <dberlin@dberlin.org>
3599 Fix PR tree-optimization/19624
3601 * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3602 * tree-ssa-pre.c: Add cfgloop.h.
3604 (pre_stats): New member, constified.
3605 (inserted_exprs): New static variable.
3606 (NECESSARY): New macro.
3607 (create_expression_by_pieces): Fold the expression, and
3608 mark it as defaulting to not necessary. Also put in
3610 (fully_constant_expression): New function.
3611 (insert_into_preds_of_block): Modify to not insert phis when we
3612 are playing with induction variables.
3613 Push phis onto the inserted_exprs vector, and mark them as not
3614 necessary by default.
3615 (insert_aux): Call fully_constant_expression on eprime.
3616 If all edges produce the same value, mark it constant.
3617 (mark_operand_necessary): New function.
3618 (remove_dead_inserted_code): New function.
3619 (init_pre): Init loop optimizer to get loop info.
3620 (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3621 (execute_pre): Commit edge inserts, then remove dead code.
3623 2005-01-30 Richard Henderson <rth@redhat.com>
3625 * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3626 * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3628 2005-01-30 Richard Henderson <rth@redhat.com>
3631 * config/i386/i386.c (ix86_expand_copysign): New.
3632 (ix86_split_copysign_const): New.
3633 (ix86_split_copysign_var): Rename from ix86_split_copysign,
3634 rearrange op1/nmask operands.
3635 * config/i386/i386-protos.h: Update.
3636 * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3637 (copysigndf3): Likewise.
3638 (copysignsf3_const, copysigndf3_const): New.
3639 (copysignsf3_var): Rename from copysignsf3, split out splitter
3640 and fix split predicate for X constraint.
3641 (copysigndf3_var): Similarly.
3643 2005-01-30 Kazu Hirata <kazu@cs.umass.edu>
3645 * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3646 doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3647 doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3649 2005-01-29 Richard Henderson <rth@redhat.com>
3652 * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3653 of # and * in constraints.
3655 2005-01-29 Richard Henderson <rth@redhat.com>
3658 * expr.c (store_field): Don't strip sub-mode cast when the input
3659 data is even smaller.
3661 2005-01-29 Richard Henderson <rth@redhat.com>
3664 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3667 2005-01-29 Richard Henderson <rth@redhat.com>
3669 * combine.c (make_field_assignment): Fix argument order
3672 2005-01-29 Richard Guenther <richard.guenther@uni-tuebingen.de>
3674 PR tree-optimization/15791
3675 * fold-const.c (extract_array_ref): New function.
3676 (fold): Fold comparisons between &a[i] and &a[j] or
3677 semantically equivalent trees.
3679 2005-01-29 Jeff Law <law@redhat.com>
3681 * gcse.c (insert_expr_in_table): Revamp handling of available
3682 and anticipatable occurrence lists to avoid unnecessary list
3684 (insert_set_in_table): Similarly.
3686 2005-01-29 Joseph S. Myers <joseph@codesourcery.com>
3688 * c-common.c (fix_string_type): Just use c_build_qualified_type to
3690 (c_build_qualified_type): Build qualified array types with
3691 TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3692 * c-decl.c (c_make_fname_decl): Build unqualified array type
3693 before qualified type.
3694 (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3695 type is qualified, not just if type itself is. Don't apply
3696 qualifiers to array type when declarator is processed. Apply
3697 qualifiers to field type whether or not it is an array type.
3698 Don't handle array types specially for applying qualifiers to
3700 * c-typeck.c (composite_type): Build unqualified element type and
3701 array type when forming composite of array types.
3702 (common_pointer_type, comptypes, comp_target_types,
3703 type_lists_compatible_p, build_indirect_ref, build_array_ref,
3704 convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3706 (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3707 (args2) in variables a1 and a2.
3709 2005-01-29 Kazu Hirata <kazu@cs.umass.edu>
3711 * cse.c (n_elements_made, max_elements_made): Remove.
3712 (insert): Don't touch n_elements_made.
3713 (cse_main): Don't touch n_elements_made or max_elements_made.
3715 2005-01-28 Stephane Carrez <stcarrez@nerim.fr>
3718 * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3719 configuration part of dp-bit.c to be lost.
3721 2005-01-28 Roger Sayle <roger@eyesopen.com>
3723 * expmed.c (expand_mult_highpart_optab): When attempting to use
3724 a non-widening multiplication in a wider mode, the operands need
3725 to be converted (zero or sign extended) to that mode.
3727 2005-01-28 Ian Lance Taylor <ian@airs.com>
3731 * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3732 through if both operands fall through.
3734 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
3736 * cse.c (fold_rtx) <PC>: Don't optimize.
3738 2005-01-28 Jeff Law <law@redhat.com>
3740 * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3741 (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3743 2005-01-28 Kazu Hirata <kazu@cs.umass.edu>
3745 * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3746 cse_reg_info_used_list_end): Remove.
3747 (cse_reg_info_list, cse_reg_info_list_free): New.
3748 (get_cse_reg_info): When allocating an instance of
3749 cse_reg_info, add it to the beginning of the cse_reg_info_list
3750 list. Remove code to maintain cse_reg_info_used_list.
3751 (new_basic_block): Reset the free list to the beginning of
3754 2005-01-28 Richard Sandiford <rsandifo@redhat.com>
3756 * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3757 (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3758 (frv_expand_mdpackh_builtin): New function.
3759 (frv_expand_builtin): Use it to expand __MDPACKH.
3760 * doc/extend.texi (__MDPACKH): Update documentation.
3762 2005-01-28 Uros Bizjak <uros@kss-loka.si>
3764 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3765 SSE_FLOAT_MODE_P for use_sse computation.
3767 2005-01-28 Ralf Corsepius <ralf.corsepius@rtems.org>
3770 * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3772 2005-01-27 Richard Henderson <rth@redhat.com>
3774 * builtins.c (expand_builtin_copysign): New.
3775 (expand_builtin): Call it.
3776 * genopinit.c (optabs): Add copysign_optab.
3777 * optabs.c (init_optabs): Initialize it.
3778 (expand_copysign): New.
3779 * optabs.h (OTI_copysign, copysign_optab): New.
3780 (expand_copysign): Declare.
3782 * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3783 (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3785 * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3786 (ix86_expand_fp_absneg_operator): ... here.
3787 (ix86_split_copysign): New.
3788 * config/i386/i386-protos.h: Update.
3789 * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3790 (copysignsf3, copysigndf3): New.
3792 * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3793 (copysignsf3, ncopysignsf3): New.
3794 (copysigndf3, ncopysigndf3): New.
3795 (copysignxf3, ncopysignxf3): New.
3796 * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3798 2005-01-27 Arend Bayer <arend.bayer@web.de>
3799 Kazu Hirata <kazu@cs.umass.edu>
3801 * cse.c: (find_best_addr): Don't call copy_rtx before calling
3802 fold_rtx. Save cost recomputation if fold_rtx did nothing.
3803 (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3806 2005-01-27 Jeff Law <law@redhat.com>
3808 * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3809 definitions of SSA_NAMEs which are not being rewritten.
3810 (rewrite_ssa_into_ssa): Only initialize the current definition
3811 of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3812 If checking is enabled, assert that SSA_NAME_AUX is clear for all
3813 SSA_NAMEs before returning.
3815 2005-01-27 Kazu Hirata <kazu@cs.umass.edu>
3817 * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3818 cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3819 tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3820 config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3821 config/mips/iris6.h, config/sh/sh.c: Update copyright.
3823 2005-01-27 Steven Bosscher <stevenb@suse.de>
3826 * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3827 higher to -O2 and higher. Likewise for tree PRE.
3828 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3831 2005-01-27 Ian Lance Taylor <ian@airs.com>
3834 * gimple-low.c (try_catch_may_fallthru): New static function.
3835 (block_may_fallthru): Handle TRY_CATCH_EXPR.
3836 * tree-inline.c (expand_call_inline): Don't warn about reaching
3837 the end of a non-void function being inlined if the function uses
3840 2005-01-27 Jakub Jelinek <jakub@redhat.com>
3842 * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3845 * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3846 (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3847 (implicitly_declare): Handle error_mark_node.
3849 2005-01-27 Richard Henderson <rth@redhat.com>
3852 * tree.h (struct tree_decl): Add debug_expr_is_from.
3853 (DECL_DEBUG_EXPR_IS_FROM): New.
3854 (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3855 * dwarf2out.c (dwarf2out_var_location): Update to match.
3856 * tree-outof-ssa.c (create_temp): Likewise.
3857 * var-tracking.c (track_expr_p): Likewise.
3858 * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3859 * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3860 * toplev.c (default_tree_printer): Likewise.
3862 2005-01-27 Alexandre Oliva <aoliva@redhat.com>
3864 * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3865 GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3867 2005-01-27 Steven Bosscher <stevenb@suse.de>
3869 * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3870 CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3871 ASM_CLOBBERS): Add tree checks.
3873 * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3874 (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3875 * c-common.def (SWITCH_STMT): Update to match.
3876 * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3877 macros instead of SWITCH_EXPR ones.
3878 * c-dump.c (c_dump_tree): Likewise.
3879 * c-gimplify.c (gimplify_switch_stmt): Likewise.
3880 * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3882 * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3884 2005-01-27 Alan Modra <amodra@bigpond.net.au>
3886 * unwind-dw2.c (execute_stack_op): Add missing cases for
3887 DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3889 2005-01-27 Eric Botcazou <ebotcazou@libertysurf.fr>
3891 * config.gcc (Obsolete configurations): Remove 'dummy', add
3892 sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3895 2005-01-26 Diego Novillo <dnovillo@redhat.com>
3897 PR tree-optimization/19633
3898 * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3900 (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3901 are no call-clobbered variables.
3902 * tree-outof-ssa.c (check_replaceable): Return false for calls
3905 2005-01-26 Ulrich Weigand <uweigand@de.ibm.com>
3907 * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3908 even for variables with NULL DECL_INITIAL.
3910 2005-01-26 Stuart Hastings <stuart@apple.com>
3912 * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3914 2005-01-26 Richard Henderson <rth@redhat.com>
3917 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3919 * expr.c (store_field): Strip conversions to odd-bit-sized types
3920 if the destination field width matches.
3922 2005-01-26 Richard Henderson <rth@redhat.com>
3924 * c-decl.c, expmed.c, expr.c: Revert last change.
3926 2005-01-26 Richard Henderson <rth@redhat.com>
3929 * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3931 * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3932 if we don't need the bits above those present in the current mode.
3933 * expr.c (store_field): Strip conversions to odd-bit-sized types
3934 if the destination field width matches.
3936 2005-01-26 Richard Sandiford <rsandifo@redhat.com>
3938 * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3939 either -ffast-math or -funsafe-math-optimizations is in use.
3941 2005-01-26 Marek Michalkiewicz <marekm@amelek.gda.pl>
3945 * config/avr/avr.c (notice_update_cc): Only set condition code for
3946 ashrqi3 if shift count > 0.
3947 (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3948 (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3949 ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3950 count <= 0 as a no-op, and shift count >= width by copying zero
3951 or sign bit to all bits of the result.
3952 * config/avr/avr.md (all shifts): Add alternatives for zero shift
3953 count, with attribute "length" set to 0 and "cc" set to "none".
3955 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
3957 * doc/invoke.texi: Document -mTLS.
3959 * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3960 * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3961 * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3962 * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3963 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3964 * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3965 * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3966 * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3968 * configure.ac: Check for a TLS capable gas.
3970 * configure: Regenerate.
3972 2005-01-26 Richard Henderson <rth@redhat.com>
3975 * combine.c (make_field_assignment): Simplify store to zero_extract
3976 from a source with an overlapping mask.
3978 2005-01-26 Aldy Hernandez <aldyh@redhat.com>
3980 2004-11-11 Eric Christopher <echristo@redhat.com>
3982 * config/frv/frv.md: Add fr400_integer automaton. Don't
3983 allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3986 2005-01-26 Steven Bosscher <stevenb@suse.de>
3989 * cfgbuild.c (make_edges): Do not clear or set
3990 current_function_has_computed_jump.
3991 * function.h (struct function): Remove the has_computed_jump field.
3992 (current_function_has_computed_jump): Do not define.
3993 * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3994 in a computed jump. Ignore current_function_has_computed_jump.
3996 2005-01-26 Richard Henderson <rth@redhat.com>
3999 * expr.c (categorize_ctor_elements): New argument p_must_clear.
4000 (categorize_ctor_elements_1): Likewise. Detect a union that isn't
4002 (mostly_zeros_p): Update for new categorize_ctor_elements argument.
4003 * gimplify.c (gimplify_init_constructor): Likewise. Only shove
4004 objects into static storage if they have more than one non-zero value.
4005 * tree.h (categorize_ctor_elements): Update decl.
4007 2005-01-26 Steven Bosscher <stevenb@suse.de>
4010 * tree.h (CALL_EXPR_TAILCALL): Add comment.
4011 * calls.c (check_sibcall_argument_overlap_1): Revert the change
4012 to this function from 2004-07-10.
4013 * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
4014 the current function for tail call optimizations if the address
4015 of one of it its arguments is taken.
4017 2005-01-26 Kazu Hirata <kazu@cs.umass.edu>
4019 * cse.c (fold_rtx): Call equiv_constant only when necessary.
4021 2005-01-26 Bernd Schmidt <bernd.schmidt@analog.com>
4023 * function.c (expand_function_end): If current_function_calls_alloca,
4024 emit stack restore in a place that is reached when the function falls
4027 2005-01-26 Alexandre Oliva <aoliva@redhat.com>
4029 * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
4030 rule to avoid matching inappropriate suffix rule.
4032 2005-01-26 Jan Hubicka <jh@suse.cz>
4034 PR tree-optimization/19241
4035 * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
4037 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4039 * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
4040 -lsyssim. Wrap -lc -lsyssim in --start-group --end-group instead
4042 (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
4043 <sim*>: Always use crt1.o, regardless of N in simN.
4044 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4045 (ENDFILE_SPEC): Add crtn.o, after crtend.o.
4046 (CRT_CALL_STATIC_FUNCTION): Remove.
4047 * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
4048 use crt1.o, regardless of N in simN.
4049 <!sim>: Drop support for -pg and -p variants; always use crt0.o.
4050 (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
4051 (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
4052 case isystem setting.
4053 (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
4055 2005-01-25 Ian Lance Taylor <ian@airs.com>
4057 * gimple-low.c (block_may_fallthru): Correct handling of
4058 SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
4060 2005-01-26 Hans-Peter Nilsson <hp@axis.com>
4062 * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
4063 handlers to match indentation; nested under the mtune=* handler.
4064 Similar for mcpu= and march=.
4066 2005-01-25 Daniel Jacobowitz <dan@codesourcery.com>
4068 * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
4069 * config/mips/linux64.h (LIB_SPEC): Likewise.
4070 * config/mn10300/linux.h (LIB_SPEC): Likewise.
4071 * config/sh/linux.h (LIB_SPEC): Likewise.
4073 2005-01-25 Aldy Hernandez <aldyh@redhat.com>
4075 * config/frv/frv.c (frv_legitimize_tls_address): New.
4076 (TARGET_HAVE_TLS): Define.
4077 (FRV_SYMBOL_REF_TLS_P): Define.
4078 (frv_override_options): Handle new register classes.
4079 (frv_legitimate_address_p): Reject tls addresses.
4080 (frv_legitimize_address): Handle TLS addresses.
4081 (gen_inlined_tls_plt): New.
4083 (frv_legitimize_tls_address): New.
4084 (unspec_got_name): Add TLS entries.
4085 (got12_operand): Add R_FRV_TLSMOFF12 case.
4086 (frv_emit_move): Fixup TLS addresses.
4087 (frv_emit_movsi): Legitimize TLS addresses.
4089 * config/frv/frv.h (MASK_BIG_TLS): New.
4090 (TARGET_BIG_TLS): New.
4091 (HAVE_AS_TLS): Define.
4092 (TARGET_SWITCHES): Add -mTLS and -mtls options.
4093 (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
4094 (REG_CLASS_NAMES): Same.
4095 (REG_CLASS_CONTENTS): Same.
4096 (CONSTRAINT_LEN): New.
4097 (REG_CLASS_FROM_CONSTRAINT): New.
4098 (PREDICATE_CODES): Add symbolic_operand.
4100 * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
4101 UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
4102 UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
4103 UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
4104 R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
4105 R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
4106 R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
4107 GR9_REG, GR14_REG, LRREG.
4108 (type): Add load_or_call attribute.
4109 ("load_or_call"): New reservation.
4110 ("call_gettlsoff"): New.
4111 ("tls_indirect_call"): New.
4112 ("tls_load_gottlsoff12"): New.
4113 ("tlsoff_hilo"): New.
4114 ("tls_tlsdesc_ldd"): New.
4115 ("tls_tlsoff_ld"): New.
4118 * config/frv/frv-protos.h (symbolic_operand): Protoize.
4120 2005-01-25 Alexandre Oliva <aoliva@redhat.com>
4122 * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
4123 * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
4124 * config/frv/frv.c (TLS_BIAS): Define.
4125 (frv_output_dwarf_dtprel): New.
4127 2005-01-26 Jakub Jelinek <jakub@redhat.com>
4129 PR rtl-optimization/19579
4130 * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
4131 both A and B, see if they don't clobber registers the other expr uses.
4133 2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
4135 * real.c (do_add): Initialize signalling and canonical members.
4137 * real.c (real_from_integer): Zero out destination.
4139 2005-01-18 Jan Hubicka <jh@suse.cz>
4141 PR tree-optimize/19337
4142 * tree-inline.c (initialize_inlined_parameters): Copy
4143 saved_static_chain_decl only.
4145 2005-01-25 Richard Henderson <rth@redhat.com>
4149 * config/i386/i386.c (x86_inter_unit_moves): Zero.
4150 (ix86_preferred_reload_class): Rewrite fp-constant section, with
4151 80387 enabled, to return a proper subclass. Return the subset that
4152 overlaps with GENERAL_REGS for PLUS.
4153 * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
4155 2005-01-25 Richard Henderson <rth@redhat.com>
4158 * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
4160 2005-01-25 Roger Sayle <roger@eyesopen.com>
4162 * expmed.c (choose_multiplier): Change interface to return the
4163 multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
4164 (expand_divmod): Update calls to choose_multiplier.
4166 2005-01-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4169 * expmed.c (extract_bit_field): Use adjust_address instead of
4170 gen_lowpart when op0 is a MEM.
4172 2005-01-24 Steven Bosscher <stevenb@suse.de>
4174 * cfgexpand.c (expand_gimple_tailcall): Fix typo.
4176 2005-01-24 Richard Sandiford <rsandifo@redhat.com>
4178 * config/mips/irix-csr.c: New file.
4179 * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4180 (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4181 * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4184 2005-01-24 Eric Botcazou <ebotcazou@libertysurf.fr>
4187 * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
4188 sparc/elf.h, add sparc/sp-elf.h.
4189 (sparc-*-rtems*): Likewise.
4190 (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
4191 tm-dwarf2.h, add sparc/sp-elf.h.
4192 (sparc86x-*-elf): Likewise.
4193 (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
4194 * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4195 TARGET_OS_CPP_BUILTINS.
4196 * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4197 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4199 * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4200 * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4201 (SWITCH_TAKES_ARG): Likewise.
4202 (LOCAL_LABEL_PREFIX): Likewise.
4203 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4204 (TARGET_N_FORMAT_TYPES): Delete.
4205 (TARGET_FORMAT_TYPES): Likewise.
4206 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4207 * config/sparc/elf.h: Delete.
4208 * config/sparc/sp-elf.h: New file.
4210 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
4212 * tree-flow-inline.h (phi_arg_from_edge): Remove.
4213 * tree-flow.h: Remove the corresponding prototype.
4214 * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4215 tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4217 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4220 * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4221 for AIX ABI or ELF -fPIC.
4222 (rs6000_emit_load_toc_table): Don't create toc_section here.
4223 (rs6000_xcoff_file_start): Nor here.
4225 2005-01-24 J"orn Rennecke <joern.rennecke@st.com>
4227 * sh.c (ra.h): Don't #include.
4228 (hard_regs_intersect_p): New function, resurrected from ra.c.
4230 * sh.c: Fix 1996 Copyright.
4232 2005-01-24 Richard Henderson <rth@redhat.com>
4233 Aldy Hernandez <aldyh@redhat.com>
4235 * regrename.c (note_sets): Handle subregs.
4237 2005-01-24 Joseph S. Myers <joseph@codesourcery.com>
4240 * genconditions.c (write_header, write_conditions): Elide file if
4243 2005-01-24 Kazu Hirata <kazu@cs.umass.edu>
4245 * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4246 config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4249 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4251 * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4252 expand_builtin_printf, expand_builtin_fprintf,
4253 expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4254 checking against POINTER_TYPE.
4255 (validate_arglist): Handle POINTER_TYPE code by checking
4258 2005-01-24 Paolo Bonzini <bonzini@gnu.org>
4260 * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4262 (for_each_rtx): Call for_each_rtx_1.
4263 * rtl.h (init_rtlanal): Declare.
4264 * toplev.c (backend_init): Call init_rtlanal.
4266 2005-01-24 Jakub Jelinek <jakub@redhat.com>
4268 * flow.c (propagate_one_insn): Formatting.
4271 * flow.c (libcall_dead_p): Be more conservative if unsure.
4272 If there are any instructions between insn and call, see if they are
4273 all dead before saying the libcall is dead.
4275 2005-01-24 Uros Bizjak <uros@kss-loka.si>
4277 * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4278 operand constraint for operand 0.
4280 2005-01-23 Richard Henderson <rth@redhat.com>
4283 * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4284 edges leading to join block.
4286 2005-01-23 Roger Sayle <roger@eyesopen.com>
4288 * expmed.c (expand_mult_highpart): Make static. Change type of
4289 constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4290 (expand_divmod): Updates calls to expand_mult_highpart by using
4291 gen_int_mode to pass a CONST_INT rtx.
4292 * rtl.h (expand_mult_highpart): Remove prototype.
4294 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4296 * flow.c (regset_bytes, regset_size): Remove.
4298 * cfganal.c: Fix a reference to Harvey's paper.
4300 2005-01-23 Steven Bosscher <stevenb@suse.de>
4302 PR rtl-optimization/19464
4303 * tree-optimize.c (init_tree_optimization_passes): Add one more
4304 copyrename pass just before out-of-ssa.
4306 2005-01-23 Joseph S. Myers <joseph@codesourcery.com>
4309 * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4310 * ggc-none.c (ggc_free): Define.
4312 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4314 * cse.c (max_reg, max_insn_uid): Remove.
4315 (cse_main): Don't access max_reg or max_insn_uid.
4317 * c-common.c (explicit_flag_signed_bitfields,
4318 lang_statement_code_p, lang_expand_function_end): Remove.
4319 * c-common.h: Remove the corresponding declarations.
4320 * c-opts.c (c_common_handle_option): Remove all write access
4321 to explicit_flag_signed_bitfields.
4323 * cgraph.c (cgraph_varpool_n_nodes): Remove.
4324 (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4325 * cgraph.h: Remove the corresponding declaration.
4327 * gcse.c (null_pointer_info): Remove.
4329 2005-01-23 Roger Sayle <roger@eyesopen.com>
4330 Eric Botcazou <ebotcazou@libertysurf.fr>
4332 * combine.c (simplify_logical): Only simplify logical expressions
4333 of the form ior(and(x,y),z) by the inverse distributive law if the
4334 result is cheaper than the original.
4336 2005-01-23 Kazu Hirata <kazu@cs.umass.edu>
4338 * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4339 fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4340 tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4341 tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4342 config/freebsd-spec.h, config/arm/arm.h,
4343 config/h8300/h8300.md, config/i386/i386.md,
4344 config/i386/predicates.md, config/i386/sse.md,
4345 config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4346 config/vax/vax.md: Fix comment typos. Follow spelling
4349 2005-01-23 Steven Bosscher <stevenb@suse.de>
4351 * gengtype.c (walk_type): Produce `not equal to' compares for loop
4352 tests, instead of `less than'.
4354 2005-01-23 Richard Sandiford <rsandifo@redhat.com>
4356 * function.c (assign_parm_setup_block): When creating a new stack slot
4357 for a parameter, get its alignment from the parameter's DECL_ALIGN
4358 rather than the type's TYPE_ALIGN. Make sure that the parameter
4359 is at least word aligned.
4361 2005-01-22 Roger Sayle <roger@eyesopen.com>
4364 * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4366 2005-01-22 Richard Henderson <rth@redhat.com>
4369 * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4370 in both compare operands.
4371 (movdfcc_1_sse_max): Likewise.
4372 (movsfcc_1_sse): Likewise. Add earlyclobber for scratch.
4373 (movdfcc_1_sse): Likewise.
4374 * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4375 scratch register as needed.
4377 2005-01-22 Richard Henderson <rth@redhat.com>
4379 * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4381 * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4383 2005-01-22 Richard Henderson <rth@redhat.com>
4385 * genopinit.c (optabs): Use smin/smax for floating point too.
4386 * doc/md.texi: Update to match. Clarify that floating point
4387 results are undefined for +0/-0 and NaN.
4388 * doc/rtl.texi: Likewise.
4389 * rtl.def (SMIN, SMAX): Likewise
4390 * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4392 * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4393 leading 's' to the name.
4394 * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4395 smaxxf3, sminxf3): Likewise.
4396 * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4399 2005-01-22 Paul Brook <paul@codesourcery.com>
4401 * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4403 2005-01-21 Mark Dettinger <dettinge@de.ibm.com>
4405 * config/s390/s390.c (struct processor_costs): New fields
4406 dlgr, dlr, dr, dsgfr, dsgr.
4407 (z900_cost, z990_cost): Values for new fields.
4408 (s390_rtx_costs): New cases MEM und COMPARE in switch
4409 statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4410 DIV, MOD, UDIV, UMOD.
4412 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
4414 * config/s390/s390.md ("doloop_si64"): Reload input value directly
4415 into the register being decremented.
4416 ("doloop_si31", "doloop_di"): Likewise.
4417 ("*doloop_si_long"): Adapt pattern.
4419 2005-01-21 Ulrich Weigand <uweigand@de.ibm.com>
4421 * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4423 (CLASS_MAX_NREGS): Likewise.
4425 2005-01-21 Daniel Berlin <dberlin@dberlin.org>
4427 * doc/tree-ssa.texi (Statement Operands): Add example for new
4428 must-def macro. Note deprecation of old operands interface.
4430 2005-01-22 Richard Sandiford <rsandifo@redhat.com>
4432 PR tree-optimization/19484
4433 * tree-cfg.c (remove_fallthru_edge): New function.
4434 (cleanup_control_flow): Remove fallthru edges from calls that are
4435 now known not to return.
4437 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
4439 Fix PR tree-optimization/19038
4440 * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4441 copies with loop variant ones.
4443 2005-01-22 Kazu Hirata <kazu@cs.umass.edu>
4445 * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4446 config/alpha/alpha-protos.h, config/alpha/alpha.h,
4447 config/alpha/alpha.md, config/alpha/predicates.md,
4448 config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4449 config/sparc/sol2.h: Update copyright.
4451 * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4452 first label to see if it is a nonlocal label.
4454 2005-01-22 David Edelsohn <edelsohn@gnu.org>
4455 Andrew Pinski <pinskia@physics.uc.edu>
4458 * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4459 maximum number of GPRs. Saturate n_fpr at maximum number of FPRs.
4461 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
4463 * config/rs6000/rtems.h: Update copyright.
4465 2005-01-22 Ralf Corsepius <ralf.corsepius@rtems.org>
4468 * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4469 (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4470 (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4472 2005-01-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4475 * c-typeck.c (convert_arguments): Check for error_mark_node.
4477 2005-01-21 Ian Lance Taylor <ian@airs.com>
4479 PR tree-optimization/13000
4480 * tree-inline.c: Include "tree-flow.h".
4481 (expand_call_inline): If warn_return_type, warn if non-void inline
4482 function falls through.
4483 * tree-cfg.c (execute_warn_function_return): Don't warn about
4484 control reaching end if TREE_NO_WARNING is set. Set
4486 * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4488 * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4489 branch if we don't need one.
4490 * c-typeck.c: Include "tree-flow.h"
4491 (c_finish_bc_stmt): Don't add a goto if the current statement
4492 list doesn't fall through to the current point.
4494 2005-01-21 Roger Sayle <roger@eyesopen.com>
4496 PR rtl-optimization/576
4497 * real.c (real_arithmetic): Change return type from void to bool
4498 to return an indication that the result may be inexact.
4499 * real.h (real_arithmeric): Update prototype.
4500 * fold-const.c (const_binop): Don't constant fold floating
4501 point expressions when the user specifies -frounding-math and
4502 the result may depend upon the run-time rounding mode.
4503 (fold_convert_const_real_from_real): Clean-up.
4504 (fold_initializer): Ignore flag_rounding_math for initializers.
4505 * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4506 constant fold FP operations with flag_rounding_math if the
4507 result may depend upon the run-time rounding mode.
4509 2005-01-21 Tom Tromey <tromey@redhat.com>
4511 * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4513 2005-01-21 Kazu Hirata <kazu@cs.umass.edu>
4515 * tree-cfg.c: Fix comment typos.
4517 2005-01-21 J"orn Rennecke <joern.rennecke@st.com>
4519 * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4520 around the call to rest_of_handle_branch_target_load_optimize.
4522 2005-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4524 * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4525 (sparc64-*-openbsd*): Likewise.
4526 (sparclite-*-elf*): Include tm-dwarf2.h.
4527 (sparc86x-*-elf*): Likewise.
4528 (sparc64-*-elf*): Likewise.
4529 * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4530 (DBX_DEBUGGING_INFO): Likewise.
4531 * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4532 (PREFERRED_DEBUGGING_TYPE): Likewise.
4533 * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4534 * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4535 (PREFERRED_DEBUGGING_TYPE): Likewise.
4536 * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4537 (PREFERRED_DEBUGGING_TYPE): Likewise.
4538 * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4540 2005-01-21 Hans-Peter Nilsson <hp@bitrange.com>
4543 * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4545 2005-01-20 Paul Brook <paul@codesourcery.com>
4547 * doc/rtl.texi: Document value extension requirements for CONST_INT.
4549 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4551 * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4552 label is first in a sequence of labels.
4554 * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4556 2005-01-20 Janis Johnson <janis187@us.ibm.com>
4557 Giovanni Bajo <giovannibajo@gcc.gnu.org>
4559 * doc/sourcebuild.texi (Test Directives): New.
4561 2005-01-20 Roger Sayle <roger@eyesopen.com>
4563 * real.c (real_floor): Don't leave the result uninitialized when
4564 mode is VOIDMode, but return the unrounded intermediate value.
4565 (real_ceil): Likewise.
4567 2005-01-20 Paul Brook <paul@codesourcery.com>
4569 * config/arm/arm.md (insv): Use gen_int_mode.
4571 2005-01-20 Eric Botcazou <ebotcazou@libertysurf.fr>
4573 * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4574 * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4575 * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4576 * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4577 * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4579 2005-01-20 Daniel Berlin <dberlin@dberlin.org>
4582 * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4583 fbreg, so we have to assume we can't.
4584 (loc_descriptor_from_tree_1): Ditto.
4585 (containing_function_has_frame_base): New function.
4586 (add_location_or_const_value_attribute): Use it.
4587 Also try to generate a frame_base from a single element location
4590 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4592 PR tree-optimization/15349
4593 * timevar.def (TV_TREE_MERGE_PHI): New.
4594 * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4596 (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4597 calls to tree_forwarder_block_p.
4598 (remove_forwarder_block_with_phi, merge_phi_nodes,
4599 gate_merge_phi, pass_merge_phi): New.
4600 * tree-optimize.c (init_tree_optimization_passes): Add
4602 * tree-pass.h: Add an extern for pass_merge_phi;
4604 2005-01-20 Richard Henderson <rth@redhat.com>
4607 * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4608 (_mm_castps_pd, _mm_castps_si128): New.
4609 (_mm_castsi128_ps, _mm_castsi128_pd): New.
4611 2005-01-20 Richard Henderson <rth@redhat.com>
4614 * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4615 __builtin_ia32_vec_init_v2si.
4616 (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4617 * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4618 (ix86_init_mmx_sse_builtins): Create it.
4619 (ix86_expand_builtin): Expand it.
4620 (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4621 * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4622 (vec_extractv2si_0, vec_extractv2si_1): New.
4624 2005-01-20 Richard Henderson <rth@redhat.com>
4627 * config/i386/i386.c (ix86_expand_push): New.
4628 * config/i386/mmx.md (push<MMXMODE>1): New.
4629 * config/i386/sse.md (push<SSEMODE>1): New.
4630 * config/i386/i386-protos.h: Update.
4632 2005-01-20 Kazu Hirata <kazu@cs.umass.edu>
4634 * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4637 2005-01-20 Richard Henderson <rth@redhat.com>
4639 * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4640 * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4642 2005-01-19 Richard Henderson <rth@redhat.com>
4645 * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4646 to V4SFmode in SSE1 fallback load path.
4648 2005-01-19 Richard Henderson <rth@redhat.com>
4650 * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4651 in QImode expansion to ix86_expand_vector_set.
4652 (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4654 2005-01-19 Richard Henderson <rth@redhat.com>
4657 * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4658 subclass of the input class.
4659 (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4660 Always true for cross-SSE1 classes. Rationalize conditionals.
4661 * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4662 * config/i386/i386.md (movsi_1): Add MMX/SSE zeros. Fix alternatives
4663 for SSE1. Don't check TARGET_INTER_UNIT_MOVES.
4664 (movdi_2): Add MMX/SSE zeros.
4665 (movdi_1_rex64): Likewise. Don't check TARGET_INTER_UNIT_MOVES.
4666 (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4667 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4668 (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4669 (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4670 (zero_extendsidi2_rex64_1): Remove.
4671 (MOV0 peephole): Check GENERAL_REG_P.
4673 2005-01-19 Richard Henderson <rth@redhat.com>
4676 * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4678 (ix86_expand_vector_extract): Likewise.
4680 2005-01-19 Richard Henderson <rth@redhat.com>
4683 * expr.c (emit_move_change_mode): New argument force; use
4684 simplify_gen_subreg if true.
4685 (emit_move_via_alt_mode): Merge into ...
4686 (emit_move_via_integer): ... here.
4687 (emit_move_ccmode): Use emit_move_change_mode directly.
4689 2005-01-19 Richard Henderson <rth@redhat.com>
4692 * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4693 (alpha_preferred_reload_class): Handle CONST_VECTOR.
4694 (alpha_emit_set_const_1): Add no_output parameter; don't emit
4696 (alpha_emit_set_const): Likewise. Make static.
4697 (alpha_emit_set_long_const): Make static.
4698 (alpha_extract_integer): Split out from alpha_expand_mov.
4699 (alpha_split_const_mov): Likewise.
4700 (alpha_expand_mov): Use them. Handle CONST_VECTOR.
4701 (alpha_legitimate_constant_p): New.
4702 * config/alpha/alpha-protos.h: Update.
4703 * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4704 (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4705 * config/alpha/alpha.md (movsi): Add n alternative.
4706 (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4707 (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4708 (splitters for all of the above): Use alpha_split_const_mov.
4709 * config/alpha/predicates.md (non_add_const_operand): New.
4710 (non_zero_const_operand): New.
4711 (input_operand): Use alpha_legitimate_constant_p after reload.
4713 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
4715 PR tree-optimization/19038
4716 * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4717 (add_candidate): Add ivs with increment in latch only if
4718 allow_ip_end_pos_p is true.
4719 (determine_iv_cost): Use empty_block_p.
4721 2005-01-19 Daniel Berlin <dberlin@dberlin.org>
4723 * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4724 (compute_dominance_frontiers): Ditto.
4726 2005-01-19 Ralf Corsepius <ralf.corsepius@rtems.org>
4729 * config/sh/t-rtems: New.
4730 * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4732 2005-01-19 Zdenek Dvorak <dvorakz@suse.cz>
4734 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4735 the offset of the selected field.
4737 2005-01-19 Kazu Hirata <kazu@cs.umass.edu>
4739 * tree-cfg.c (remove_forwarder_block): Fix the check to
4740 prevent a nonlocal label from appearing in the middle of a
4743 2005-01-19 Hans-Peter Nilsson <hp@axis.com>
4745 PR rtl-optimization/19462
4746 * reorg.c (find_end_label): Create return insn only if
4747 current_function_epilogue_delay_list is empty.
4749 2005-01-19 Paolo Bonzini <bonzini@gnu.org>
4751 * doc/passes.texi: Remove paragraph mentioning new-ra.
4753 2005-01-19 Jakub Jelinek <jakub@redhat.com>
4755 PR rtl-optimization/15139
4756 * combine.c: Include params.h.
4757 (count_rtxs): New function.
4758 (record_value_for_reg): If replace_rtx would replace at least
4759 2 occurrences of REG in VALUE and TEM is really large, replace REG with
4760 (clobber (const_int 0)) instead of TEM.
4761 * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4762 * params.h (MAX_LAST_VALUE_RTL): New.
4763 * Makefile.in (combine.o): Depend on $(PARAMS_H).
4764 * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4767 * c-typeck.c (digest_init): Only call build_vector if all constructor
4768 elements are *_CST nodes.
4769 * gimplify.c (gimplify_init_constructor): Likewise.
4772 * c-typeck.c (digest_init): Only call build_vector if inside_init
4775 2005-01-18 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
4777 * toplev.c (init_asm_output): Remove dead #ifdef.
4779 2005-01-18 Kaz Kojima <kkojima@gcc.gnu.org>
4781 * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4783 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4785 * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4786 accessing DECL_FUNCTION_CODE.
4787 * dojump.c (do_jump): Likewise.
4788 * gimplify.c (gimplify_call_expr): Likewise.
4789 * predict.c (expr_expected_value): Likewise.
4790 (strip_builtin_expect): Likewise.
4791 * tree-inline.c (estimate_num_insns_1): Likewise.
4792 * tree-ssa-loop-im.c (stmt_cost): Likewise
4793 * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4794 (tree_expr_nonnegative_p): Likewise.
4796 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4798 * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4799 variant of the load_pcrel_sym pattern.
4800 * config/sparc/sparc.md (P macro): Move to the top.
4801 (load_pcrel_sym): Macroize using P.
4802 (save_register_window): Likewise.
4804 2005-01-18 Aldy Hernandez <aldyh@redhat.com>
4806 * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4809 2005-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4812 * c-typeck.c (build_asm_expr): Strip nops off
4813 input memory operands.
4815 2005-01-18 David Edelsohn <edelsohn@gnu.org>
4817 * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4818 _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4819 * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4820 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4822 2005-01-18 Joel Sherrill <joel.sherrill@oarcorp.com>
4825 * config/i386/i386.c (override_options): If the 80387 is disabled,
4826 then do not return FP values using FP registers.
4828 2005-01-18 Kazu Hirata <kazu@cs.umass.edu>
4830 * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4831 c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4832 combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4833 defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4834 flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4835 gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4836 output.h, postreload-gcse.c, postreload.c, recog.c,
4837 resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4838 targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4839 tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4840 tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4841 tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4842 tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4843 tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4844 unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4846 * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4847 config/alpha/alpha.c, config/arm/vfp.md,
4848 config/i386/emmintrin.h, config/i386/i386-modes.def,
4849 config/i386/i386-protos.h, config/i386/i386.h,
4850 config/i386/pmmintrin.h, config/i386/ppro.md,
4851 config/i386/predicates.md, config/i386/xmmintrin.h,
4852 config/i860/i860.c, config/ia64/ia64-modes.def,
4853 config/ia64/ia64-protos.h, config/ia64/ia64.h,
4854 config/ia64/ia64.md, config/ia64/itanium1.md,
4855 config/ia64/itanium2.md, config/ia64/predicates.md,
4856 config/iq2000/iq2000.h, config/mips/linux64.h,
4857 config/rs6000/aix41.h, config/rs6000/aix43.h,
4858 config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4859 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4860 config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4861 config/sparc/linux64.h, config/sparc/litecoff.h,
4862 config/sparc/sp64-elf.h, config/sparc/sparc.c,
4863 config/sparc/sparc.h, config/sparc/sparc.md,
4864 config/sparc/sysv4-only.h: Update copyright.
4866 2005-01-18 Richard Henderson <rth@redhat.com>
4869 * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4871 2005-01-18 Marc Espie <espie@openbsd.org>
4872 * config/i386/openbsdelf.h: Typo.
4874 2005-01-18 Richard Henderson <rth@redhat.com>
4876 * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4877 special case for sse.
4878 * config/i386/predicates.md (sse_comparison_operator): Likewise.
4880 2005-01-18 Dorit Naishlos <dorit@il.ibm.com>
4882 * tree-inline.c (estimate_num_insns_1): Added cases for
4883 ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4885 2005-01-18 Eric Botcazou <ebotcazou@libertysurf.fr>
4887 PR rtl-optimization/19296
4888 * combine.c (simplify_comparison): Rewrite the condition under
4889 which a non-paradoxical SUBREG of a PLUS can be lifted when
4890 compared against a constant.
4892 2005-01-18 Andi Kleen <ak@muc.de>
4894 * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4895 * c.opt (-Wpointer-sign): Add.
4896 * doc/invoke.texi: (-Wpointer-sign): Add.
4898 2005-01-18 Uros Bizjak <uros@kss-loka.si>
4900 * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4901 * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4902 *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4903 logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4904 exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4905 nearbyintsf2): Disable for TARGET_SSE_MATH. Leave patterns enabled
4906 for TARGET_MIX_SSE_I387.
4907 (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4908 sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4909 atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4910 log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4911 floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4912 (TARGET_SSE2 && TARGET_SSE_MATH). Leave patterns enabled for
4913 TARGET_MIX_SSE_I387.
4914 (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4917 2005-01-18 Uros Bizjak <uros@kss-loka.si>
4920 * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4921 Add movaps alternative for xmm reg->reg move.
4923 2005-01-17 Jeff Law <law@redhat.com>
4925 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4926 at the end of the main DOM loop rather than just before DOM exits.
4928 2005-01-17 Diego Novillo <dnovillo@redhat.com>
4930 PR tree-optimization/19121
4931 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4932 adding aliases to a name tag, also add them to the pointer's
4934 * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4935 sensitive alias info at all. Only check that the two pointers
4936 have compatible pointed-to sets.
4937 * tree-ssa.c (verify_name_tags): Verify that the alias set of
4938 a pointer's type tag is a superset of the alias set of the
4941 2005-01-17 James E Wilson <wilson@specifixinc.com>
4944 * config/ia64/ia64.md (movxf): Handle general register source. Adjust
4945 comment to document why.
4947 2005-01-17 Richard Henderson <rth@redhat.com>
4949 * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4950 sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4951 sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4952 sse2_vmsminv2df3_finite): New.
4953 (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4954 sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4955 Force op1 into register.
4957 2005-01-17 Kelley Cook <kcook@gcc.gnu.org>
4959 * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4960 bubblestrap from always rebuilding build directory.
4962 2005-01-17 Ulrich Weigand <uweigand@de.ibm.com>
4964 * config/s390/s390.md ("*clc"): Remove incorrect '='.
4965 ("*cmpmem_short"): Likewise.
4967 2005-01-17 Steven Bosscher <stevenb@suse.de>
4969 * basic-block.h: Document BB_* flags.
4970 * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4971 use an sbitmap instead.
4972 * sched-rgn.c (compute_trg_info): Likewise.
4974 2005-01-17 Richard Sandiford <rsandifo@redhat.com>
4976 * config.gcc (mips64*-*-linux*): Set the default abi to n32. Remove
4977 redundant target_cpu_default and extra_parts lines. Use the default
4979 * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4980 (SUBTARGET_EXTRA_SPECS): Delete.
4981 (DRIVER_SELF_SPECS): Remove architecture lines. Set the ABI directly.
4982 (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4983 * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4984 and "n32" for -mabi=n32.
4986 2005-01-17 Ian Lance Taylor <ian@airs.com>
4989 * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4990 fold constant variables into initial values.
4992 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
4994 * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4996 * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4997 through the statements backward.
4999 2005-01-17 Ian Lance Taylor <ian@airs.com>
5001 PR middle-end/13127:
5002 * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
5003 a variable set to the return value of the inlined function.
5005 2005-01-17 Mark Dettinger <dettinge@de.ibm.com>
5007 * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
5008 when modes are tieable.
5010 2005-01-17 Ranjit Mathew <rmathew@hotmail.com>
5012 * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
5013 of pthread_create to find out if threads are enabled.
5014 * gthr-posix95.h (__gthread_active_p): Likewise.
5016 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5018 * common.opt (-fnew-ra): Remove.
5020 * toplev.h (flag_new_regalloc): Remove.
5021 * Makefile.in (ra*.*): Don't mention.
5022 * passes.c (rest_of_handle_new_regalloc): Remove.
5023 (rest_of_handle_combine, rest_of_compilation): Always consider
5024 flag_new_regalloc as false.
5025 * doc/invoke.texi: Don't document -fnew-ra.
5027 2005-01-17 Paolo Bonzini <bonzini@gnu.org>
5029 * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
5030 last parameter to reg_scan.
5031 * loop.c (loop_optimize): Likewise.
5032 * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
5033 rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
5034 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
5035 rest_of_handle_gcse, rest_of_handle_loop_optimize,
5036 rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
5037 * regclass.c (reg_scan): Likewise, for the declaration.
5038 * rtl.h (reg_scan): Likewise, for the prototype.
5040 2005-01-17 Kazu Hirata <kazu@cs.umass.edu>
5042 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
5043 mark_dfs_back_edges.
5045 2005-01-16 Daniel Berlin <dberlin@dberlin.org>
5047 * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
5048 (compute_avail): Uses don't go in tmp_gen.
5050 2005-01-16 Steven Bosscher <stevenb@suse.de>
5052 * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
5053 loop to look for a free slot in a page entry.
5055 2005-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5058 * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
5059 * toplev.c (compile_file): Call process_pending_assemble_output_defs
5060 just before targetm.asm_out.file_end.
5061 * tree.h (process_pending_assemble_output_defs): Declare.
5062 * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
5064 (assemble_alias): Defer generation of assembly code for defines when
5065 TARGET_DEFERRED_OUTPUT_DEFS is true.
5066 * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5067 * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
5068 * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
5070 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5073 * pa.c (pa_scalar_mode_supported_p): New function.
5074 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5075 * pa.h (MIN_UNITS_PER_WORD): Add comment.
5077 * pa-protos.h (prefetch_operand): Delete.
5078 (prefetch_cc_operand, prefetch_nocc_operand): New declations.
5079 * pa.c (prefetch_operand): Delete.
5080 (prefetch_cc_operand, prefetch_nocc_operand): New functions.
5081 * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
5082 (PREDICATE_CODES): Delete prefetch_operand. Add prefetch_cc_operand
5083 and prefetch_nocc_operand.
5084 * pa.md (prefetch): Rework to avoid reload problems handling short
5085 displacements when a cache control completer needs to be provided.
5086 (prefetch_32, prefetch_64): Delete.
5087 (prefetch_cc, prefetch_nocc): New patterns.
5089 2005-01-15 David Edelsohn <edelsohn@gnu.org>
5091 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
5093 2005-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5096 * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
5097 exceeds maximum alignment for global common data.
5098 * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
5099 * som.h (MAX_OFILE_ALIGNMENT): Likewise.
5101 2004-01-15 Roger Sayle <roger@eyesopen.com>
5103 * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
5105 2004-01-15 Roger Sayle <roger@eyesopen.com>
5107 * harg-reg-set.h (reg_class_names): Prototype global array.
5108 * regclass.c (reg_class_names): Declare here and initialize to
5110 (dump_regclass): Remove local declaration of reg_class_names.
5111 (regclass): Likewise.
5112 * cfg.c (dump_flow_info): Likewise.
5113 * ra-debug.c (reg_class_names): Likewise.
5114 * regrename.c (reg_class_names): Likewise.
5115 * reload.c (reg_class_names): Likewise.
5116 * reload1.c (spill_failure): Likewise.
5117 * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
5119 2005-01-15 Ulrich Weigand <uweigand@de.ibm.com>
5121 * config/s390/s390.md ("reload_outti"): Remove predicate for
5122 output operand. Abort if operand is not a MEM.
5123 ("reload_outdi", "reload_outdf"): Likewise.
5125 2005-01-15 Marc Espie <espie@openbsd.org>
5127 * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
5128 (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
5129 * config/openbsd.h: Fix C++ includes for native configurations.
5130 Add proper OS_CPP_BUILTINS. Fix libspec for recent OpenBSD.
5131 Add trampoline support.
5132 * config/i386/openbsdelf.h: New.
5134 2005-01-15 Marc Espie <espie@openbsd.org>
5136 * collect2.c (main): Explicitly parse -dynamic-linker option.
5138 2005-01-15 Jakub Jelinek <jakub@redhat.com>
5140 PR tree-optimization/19060
5141 * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
5142 Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
5143 (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
5144 and handle extract_range_from_cond returning false.
5145 * fold-const.c (fold): Optimize comparisons with min/max even for
5146 width > HOST_BITS_PER_WIDE_INT.
5148 2005-01-15 Ralf Corsepius <ralf.corsepius@rtems.org>
5150 * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
5151 * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
5152 Remove little endian multilib variants.
5153 Add mips32 multilib variant.
5155 2005-01-15 Kazu Hirata <kazu@cs.umass.edu>
5157 * explow.c (copy_all_reg, stabilize): Remove.
5158 * expr.h: Remove the corresponding prototypes.
5160 * rtlanal.c (regs_set_between_p): Remove.
5161 * rtl.h: Remove the corresponding prototype.
5163 2005-01-14 David Edelsohn <edelsohn@gnu.org>
5165 * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
5166 to rs6000_nonimmediate_operand.
5167 * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
5168 rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
5169 * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
5170 rs6000_nonimmediate_operand.
5171 * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
5172 rs6000_nonimmediate_operand.
5174 2005-01-14 Andrew Pinski <pinskia@physics.uc.edu>
5176 * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
5178 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5180 * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
5182 (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
5183 (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
5185 * config/rs6000/rs6000.c (invalid_e500_subreg): New.
5186 (rs6k_nonimmediate_operand): New.
5187 (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
5189 (legitimate_lo_sum_address_p): Same.
5190 (rs6000_legitimize_address): Same.
5191 (rs6000_legitimize_reload_address): Same.
5192 (rs6000_legitimate_address): Same.
5193 (spe_build_register_parallel): Pass DF and DC modes in a DI
5196 * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5197 to rs6k_nonimmediate_operand.
5199 * config/rs6000/spe.md ("*frob_df_di"): New.
5200 ("*frob_di_df"): New.
5201 ("*frob_di_df_2"): New.
5202 ("*mov_sidf_e500_subreg0"): New.
5203 ("*mov_sidf_e500_subreg4"): New.
5204 ("*movdf_e500_double"): Change predicate to
5205 rs6k_nonimmediate_operand.
5207 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5209 * postreload.c (move2add_note_store): Only call
5210 trunc_int_for_mode on scalar integers.
5212 2005-01-14 Steven Bosscher <stevenb@suse.de>
5214 * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5215 replace BB_VISITED uses.
5216 (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5217 (propagate_necessity): Check the bitmap instead of BB_VISITED.
5218 (tree_dce_done): Free visited_control_parents.
5219 (perform_tree_ssa_dce): Allocate and clear it.
5220 * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5221 (compute_antic): Iterate from here using a DFS. Use an sbitmap
5222 instead of BB_VISITED.
5224 2005-01-14 Kazu Hirata <kazu@cs.umass.edu>
5226 * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5227 rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5228 Remove unused prototypes.
5230 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5232 * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5233 64-bit register usage.
5234 (spe_func_has_64bit_regs_p): Add FIXME note.
5236 2005-01-14 Aldy Hernandez <aldyh@redhat.com>
5238 * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5239 flag_finite_math_only with flag_unsafe_math_optimizations.
5241 2005-01-14 J. D. Johnston <jjohnst@us.ibm.com>
5243 * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5245 (__tpf_eh_return): Copy TPF private stack area from the module
5246 boundary stack frame. Add check for when module addresses are
5247 equal, but no stub address is found.
5249 2005-01-14 Richard Earnshaw <rearnsha@arm.com>
5252 * arm.h (struct machine_function): Add call_via field.
5253 (thumb_call_via_label): Declare.
5254 * arm.c (thumb_call_via_label): New variable.
5255 (thumb_call_reg_needed): New variable.
5256 (arm_output_function_epilogue): For Thumb code, output any per-function
5257 call-indirect trampolines.
5258 (thumb_call_via_reg): New function.
5259 (arm_file_end): New function.
5260 (TARGET_ASM_FILE_END): Call arm_file_end.
5261 (aof_file_end): Likewise.
5262 * arm-protos.h (thumb_call_via_reg): Declare.
5263 * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5264 thumb_call_via_reg in normal case.
5266 2005-01-14 Jakub Jelinek <jakub@redhat.com>
5269 PR rtl-optimization/19348
5270 * recog.c (peephole2_optimize): Do global life update if some peephole
5271 decides it doesn't need at least one of its inputs and that change
5272 influences liveness at the start of the basic block.
5274 * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5275 arguments instead of 1.
5277 2005-01-14 Eric Botcazou <ebotcazou@libertysurf.fr>
5280 * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5281 zero for nested functions needing a static chain or functions
5282 with a non-constant address.
5284 2005-01-13 Roger Sayle <roger@eyesopen.com>
5286 * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5287 (and (sign_extend X) C) into (zero_extend (and X C)).
5289 2005-01-13 David O'Brien <obrien@FreeBSD.org>
5291 * config/freebsd-spec.h: Make KSE pthread lib logic the default.
5293 2005-01-13 Richard Henderson <rth@redhat.com>
5298 * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5299 bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5300 not just TARGET_SSE.
5301 (cmpfp_i_387): Rename from cmpfp_i. Move after sse patterns.
5302 (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5303 (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5304 (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5305 (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5306 (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5307 (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5308 fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5309 (movdicc_c_rex64): Rename with '*'.
5310 (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5311 (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5312 (movsfcc_1_387): Rename from movsfcc_1.
5313 (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5314 (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5315 (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5316 (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5317 mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5318 maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5319 sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5320 sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5321 sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5322 sse_movdfcc_const0_4): Remove.
5323 * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5324 recognize min/max early. Update for changed sse cmove patterns.
5325 (ix86_split_sse_movcc): New.
5326 * config/i386/i386-protos.h: Update.
5328 2005-01-13 Steven Bosscher <stevenb@suse.de>
5330 * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5331 (fix_stmt_v_may_defs): Likewise.
5333 2005-01-13 Richard Henderson <rth@redhat.com>
5335 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5336 for converting the mask.
5338 2005-01-13 David Edelsohn <edelsohn@gnu.org>
5340 * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5343 2005-01-13 Richard Henderson <rth@redhat.com>
5345 * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5346 IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5347 IX86_BUILTIN_MOVDQ2Q): Remove.
5348 (IX86_BUILTIN_VEC_EXT_V4SI): New.
5349 (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5350 (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5352 * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5353 (sse2_pextrw): Fix immediate constraint.
5354 (sse2_loadq, sse2_loadq_rex64): Remove.
5355 * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5356 Use __builtin_ia32_vec_ext_<size>.
5357 (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5359 2005-01-13 Aldy Hernandez <aldyh@redhat.com>
5361 * function.c (assign_parm_setup_block): Look inside original
5362 entry_parm when inspecting PARALLEL.
5364 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
5365 Joel Sherrill <joel@oarcorp.com>
5368 * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5369 (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5370 rtems_gxx_recursive_mutex_init.
5371 (__gthread_recursive_mutex_lock): New function.
5372 (__gthread_recursive_mutex_trylock): Likewise.
5373 (__gthread_recursive_mutex_unlock): Likewise.
5375 2005-01-13 Ralf Corsepius <ralf.corsepius@rtems.org>
5377 * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5379 2005-01-13 Jan Beulich <jbeulich@novell.com>
5381 * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5382 (ashrti3_internal): Indicate output is early clobber. Generate result
5383 into output rather than first input. Use move for low word of output
5384 if shift count is exactly 64.
5385 (lshrti3_internal): Likewise.
5387 2005-01-13 Hans-Peter Nilsson <hp@bitrange.com>
5391 * reload1.c (delete_output_reload): Don't delete an output reload
5392 if the pseudo lives longer than a single basic block. Adjust and
5393 improve wording of comment.
5395 2005-01-12 Andrew Pinski <pinskia@physics.uc.edu>
5398 * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5399 of TYPE_SIZE where we mean the number of bytes.
5401 2005-01-12 Aldy Hernandez <aldyh@redhat.com>
5403 * function.c (assign_parm_setup_block): Relax condition on
5404 multi-register optimization.
5406 2005-01-12 Nick Clifton <nickc@redhat.com>
5408 * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5409 an "in_delay_slot" attribute of "no" to prevent them being used in
5410 delay slots. This is forbidden because they might generate
5413 2005-01-12 Alan Modra <amodra@bigpond.net.au>
5416 * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5419 2005-01-12 Nick Clifton <nickc@redhat.com>
5421 * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5422 passed on to GAS) but do not define, as GAS no longer supports or
5423 needs the -m2000 option.
5425 2005-01-11 Roger Sayle <roger@eyesopen.com>
5427 * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5428 type as args of unprototyped builtins aren't automatically promoted.
5429 (fold_builtin_abs): Likewise.
5431 2005-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5433 * Makefile.in: Set a `build-warn' variable.
5435 2005-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5437 PR tree-optimization/17949
5438 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5439 (find_interesting_uses_address): Use it.
5441 2005-01-11 Aldy Hernandez <aldyh@redhat.com>
5443 * regrename.c (kill_value): Handle subreg's that won't simplify.
5445 2005-01-11 Richard Henderson <rth@redhat.com>
5448 * config/i386/i386.h (enum ix86_builtins): Move ...
5449 * config/i386/i386.c: ... here.
5450 (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5451 IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5452 IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5453 IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5454 IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD, IX86_BUILTIN_STOREHPD,
5455 IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5456 IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5457 IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5458 IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5459 IX86_BUILTIN_LOADDDUP): Remove.
5460 (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5461 IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5462 IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5463 IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5464 IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5465 (ix86_init_builtins): Make static.
5466 (ix86_init_mmx_sse_builtins): Update for changed builtins.
5467 (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5468 if all the modes match. Otherwise, fake it.
5469 (get_element_number, ix86_expand_vec_init_builtin,
5470 ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5471 (ix86_expand_builtin): Make static. Update for changed builtins.
5472 (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5473 operand instead of sse2_loadsd. Cast sse1 fallback to V4SFmode.
5474 (ix86_expand_vector_init_duplicate): New.
5475 (ix86_expand_vector_init_low_nonzero): New.
5476 (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5477 Split out from ix86_expand_vector_init; handle integer modes.
5478 (ix86_expand_vector_init): Use them.
5479 (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5480 * config/i386/i386-protos.h: Update.
5481 * config/i386/predicates.md (reg_or_0_operand): New.
5482 * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5483 (movv2sf_internal): Likewise. And a splitter to match them all.
5484 (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5485 vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5486 vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5487 vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5488 (mmx_pinsrw): Fix operand ordering.
5489 * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5490 rather than sse_loadss expander.
5491 (movv2df splitter): Similarly.
5492 (sse_loadss, sse_loadlss): Remove.
5493 (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5494 (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5495 (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5496 (sse3_movddup): Rename with '*'.
5497 (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5498 (sse2_loadsd): Remove.
5499 (vec_dupv2df_sse3): Rename from sse3_loadddup.
5500 (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5501 (sse2_pinsrw): Fix argument ordering.
5502 (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5503 (sse2_stored): Remove 'r' destination.
5504 (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5505 vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5506 vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5507 vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5508 vec_extractv16qi, vec_initv16qi): New.
5510 * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5511 (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5512 _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5514 (_mm_load_pd, _mm_store_pd): Use plain dereference.
5515 (_mm_load_si128, _mm_store_si128): Likewise.
5516 (_mm_load1_pd): Use _mm_set1_pd.
5517 (_mm_load_sd): Use _mm_set_sd.
5518 (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5519 (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5520 (_mm_set_epi64): Use _mm_set_epi64x.
5521 (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5522 _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5523 _mm_setr_epi8): Use _mm_set_foo form.
5524 (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5525 (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5526 (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5527 (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5528 * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5529 (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5530 (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5531 (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5532 (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5533 * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5534 (_mm_movedup_pd): Use _mm_shuffle_pd.
5535 * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5536 _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5537 (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5538 _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5540 (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5541 (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5542 (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5543 (_mm_store_ps): Use raw dereference.
5544 (_mm_store1_ps): Use _mm_storeu_ps.
5545 (_mm_storer_ps): Use _mm_store_ps.
5546 (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5547 (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5549 2005-01-11 Stan Shebs <shebs@apple.com>
5551 * config/rs6000/rs6000.c (machopic_output_stub): Issue
5552 ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5554 2005-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5557 * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5558 Skip all DECLs except for FIELD_DECLs.
5560 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
5562 * config/s390/s390.c (override_options): Return error if
5563 -mbackchain, -mpacked-stack and -mhard-float are used together.
5564 (s390_va_start): Remove the backchain && packed-stack special case.
5565 (s390_gimplify_va_arg): Likewise.
5566 * doc/invoke.texi: Remove the ABI incompatibility note.
5568 2005-01-11 Andreas Krebbel <krebbel1@de.ibm.com>
5570 * config/s390/s390.c (struct s390_frame_layout): Remove
5572 (s390_frame_info, s390_emit_prologue): Replace occurrences of
5573 save_backchain_p with TARGET_BACKCHAIN.
5575 2005-01-11 Alan Modra <amodra@bigpond.net.au>
5578 * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5579 * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5580 * function.c (locate_and_pad_parm): Set new field.
5581 (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5582 Tweak where_pad test to include "none". Always set mem align for
5584 (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5585 not sufficient for type.
5586 (assign_parm_setup_block): If stack_parm is zero on entry, always
5587 make a new stack local. Block move old stack parm if necessary
5588 to new aligned stack local.
5589 (assign_parm_setup_stack): Use a block move to handle
5590 potentially misaligned entry_parm.
5591 (assign_parms_unsplit_complex): Specify required alignment when
5592 creating stack local.
5593 * calls.c (compute_argument_addresses): Override alignment of stack
5594 arg calculated from its type with the alignment given by
5595 FUNCTION_ARG_BOUNDARY.
5596 (store_one_arg): Likewise.
5598 2005-01-11 Jan Beulich <jbeulich@novell.com>
5600 * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5601 Change respective itanium_class attribute to ialu.
5602 (shladdp4_internal): New.
5603 * config/ia64/predicates.md (shladd_log2_operand): New.
5605 2005-01-11 Richard Henderson <rth@redhat.com>
5607 * expr.c (store_constructor): Use rtvec_alloc instead of
5608 alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5610 2005-01-11 Kazu Hirata <kazu@cs.umass.edu>
5612 * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5614 2005-01-11 Alan Modra <amodra@bigpond.net.au>
5616 * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5617 * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5618 (TARGET_RWRELOC): Define.
5619 (ia64_rwreloc_section_type_flags): Delete.
5620 (ia64_section_type_flags): New function.
5621 * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5622 (TARGET_RWRELOC): Define.
5624 2005-01-10 David Mosberger <davidm@hpl.hp.com>
5627 * config/ia64/ia64.c (process_set): For alloc insn, only call
5628 process_epilogue is !frame_pointer_needed.
5630 2005-01-10 Roger Sayle <roger@eyesopen.com>
5633 * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5634 unary operator and can't be treated as a binary/comparison operator.
5636 2005-01-10 Richard Henderson <rth@redhat.com>
5638 * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5639 (ix86_return_in_memory): Likewise.
5640 (function_arg_advance): Likewise. Mirror structure in function_arg
5641 for choosing register to advance.
5643 2005-01-10 Kazu Hirata <kazu@cs.umass.edu>
5645 * tree-vectorizer.c, tree.def: Fix comment typos.
5647 2005-01-10 Mark Dettinger <dettinge@de.ibm.com>
5649 * config/s390/s390.c (struct processor_costs): 4 new fields:
5650 ddbr, ddr, debr, der.
5651 (s390_rtx_costs): More precise handling of divide instructions.
5653 2005-01-10 David Edelsohn <edelsohn@gnu.org>
5655 * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5657 2005-01-10 Jan Beulich <jbeulich@novell.com>
5659 * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5660 names resulting from -ffunction-sections/-fdata-sections and linkonce
5662 * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5663 based on the section name. Rearrange the section name comparison logic
5664 slightly so that each section name is compared against at most once.
5666 2005-01-10 Ben Elliston <bje@au.ibm.com>
5668 * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5669 targets for which -fPIC reduces limitations on the GOT size.
5671 2005-01-09 Falk Hueffner <falk@debian.org>
5673 * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5676 2005-01-09 David Edelsohn <edelsohn@gnu.org>
5679 * collect2.c (main): Set aixrtl_flag for -brtl option.
5680 (resolve_lib_name): Search for .so file extension before .a
5683 2005-01-09 Dorit Naishlos <dorit@il.ibm.com>
5685 * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5686 (vect_analyze_data_refs_alignment): Add dump prints.
5688 2005-01-09 Ira Rosen <irar@il.ibm.com>
5690 * tree-vectorizer.c (vect_analyze_offset_expr): Use
5691 expr_invariant_in_loop_p.
5692 Initialize outputs first thing in the function.
5693 (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5694 (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5695 (vect_analyze_pointer_ref_access): Check that the initial condition of
5696 the access function is loop invariant.
5698 2005-01-09 Richard Henderson <rth@redhat.com>
5700 * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5701 (ix86_expand_builtin): Likewise. Frob MASKMOVQ wrt the input mem
5702 just like MASKMOVDQU. Return plain zero for MMX_ZERO.
5703 * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5704 mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5705 movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5706 movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5707 sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5708 ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5709 mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5710 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5711 sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5712 mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5713 mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5714 gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5715 ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5716 mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5717 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5718 mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5719 eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5720 pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5721 pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5722 pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5724 (mmx_clrdi, pavgusb): Remove.
5725 (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5726 with leading sse_ prefix.
5727 * config/i386/sse.md: Receive them.
5728 * config/i386/mmx.md: New file.
5729 (MMXMODE12, MMXMODE24, mmxvecsize): New.
5730 (subrv2sf3): Turn into expander for normal subtraction.
5731 (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5732 mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5733 mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5734 mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5735 commutative; use ix86_binary_operator_ok.
5736 (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5737 mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5738 mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5739 mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5740 mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5741 Macroize from existing patterns; use ix86_binary_operator_ok.
5742 (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5743 (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5744 mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise. Model
5745 with vec_select+vec_concat.
5746 (mmx_pshufw, mmx_pshufw_1): Likewise.
5747 (mmx_uavgv8qi3): Merge pavgusb. Model correcty.
5748 (mmx_uavgv4hi3): Model correctly.
5749 * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5750 _mm_xor_si64): Remove casts.
5752 2005-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5754 PR tree-optimization/19224
5755 * tree-scalar-evolution.c (get_instantiated_value,
5756 set_instantiated_value): New functions.
5757 (instantiate_parameters_1): Cache the results.
5758 (instantiate_parameters, resolve_mixers): Initialize and free
5761 2005-01-08 David Edelsohn <edelsohn@gnu.org>
5763 * config/i386/i386.md (addhi_4): Correct reference in comment.
5766 2005-01-08 Richard Henderson <rth@redhat.com>
5768 * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5769 (_mm_cvtsi128_si64x): Likewise.
5770 (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5771 _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5772 the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5773 * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5774 * config/i386/i386-protos.h: Update.
5775 * config/i386/i386.c (print_operand): Add 'H'.
5776 (ix86_fixup_binary_operands): Split out from ...
5777 (ix86_expand_binary_operator): ... here.
5778 (ix86_fixup_binary_operands_no_copy): New.
5779 (ix86_expand_fp_absneg_operator): Handle vector mode results.
5780 (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5781 (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5782 (safe_vector_operand): Use CONST0_RTX.
5783 (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5784 (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5785 CODE_FOR_sse2_maskmovdqu. Special case SSE version of MASKMOVDQU
5786 expansion. Update names for sse{,2,3}_ prefixes. Remove *maskncmp*
5788 * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5789 (IX86_BUILTIN_CMPNGESS): New.
5790 * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5791 (attr type): Add sselog1.
5792 (attr unit, attr memory): Handle it.
5793 (movti, movti_internal, movti_rex64): Move near other integer moves.
5794 (movtf, movtf_internal): Move near other fp moves.
5795 (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5796 vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5797 movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5798 movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5799 sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5800 sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5801 sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5802 mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5803 rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5804 sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5805 sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5806 sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5807 vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5808 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5809 cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5810 cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5811 vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5812 vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5813 sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5814 sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5815 cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5816 cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5817 cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5818 cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5819 ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5820 subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5821 smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5822 sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5823 sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5824 sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5825 gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5826 ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5827 ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5828 sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5829 sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5830 sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5831 sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5832 sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5833 sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5834 sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5835 mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5836 addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5837 movsldup, lddqu, loadddup, movddup): Move to sse.md. Any with
5838 non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5840 (SSEPUSH, push<SSEPUSH>): Remove.
5841 (MMXPUSH, push<MMXPUSH>): Remove.
5842 (sse_movaps, sse_movaps_1, sse_movups): Remove.
5843 (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5844 (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5845 (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5846 (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5847 (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5848 (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5849 (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5850 * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5851 (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5852 * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5853 (ppro_sse_log_V4SF_load): Similarly. Handle sselog1.
5854 (ppro_sse_log_V4SF): Handle sselog1.
5855 * config/i386/predicates.md (const_0_to_1_operand): New.
5856 (const_0_to_255_mul_8_operand): New.
5857 (const_1_to_31_operand): Rename from const_int_1_31_operand.
5858 (const_2_to_3_operand, const_4_to_7_operand): New.
5859 * config/i386/sse.md: New file.
5860 (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5861 (sse_movups): Rename from sse_movups_1.
5862 (sse_loadlss): Rename from sse_loadss_1.
5863 (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5865 (negv4sf2): Use ix86_expand_fp_absneg_operator.
5866 (absv4sf2, negv2df, absv2df): New.
5867 (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5868 (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5869 iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5870 smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5871 umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5872 (sse3_addsubv4sf3): Model correctly.
5873 sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5874 sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5875 (sse_movhlps): Model with vec_select+vec_concat.
5876 (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5877 sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5878 sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5879 sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5880 sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5881 sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5882 sse2_pshufhw_1): Likewise.
5883 (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5884 (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5885 sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5886 ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5887 sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5888 ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5889 (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5890 sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5891 mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5892 sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5893 sminv8hi3): Mark commutative
5894 operands. Use ix86_binary_operator_ok.
5895 (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5896 sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5897 sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5898 sse2_punpcklqdq): Allow operand2 in memory.
5899 (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5900 sse2_movsd): Add memory alternatives.
5901 (sse_storelps): Turn expander into an insn; split after reload.
5902 (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5903 (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5905 2005-01-08 Eric Botcazou <ebotcazou@libertysurf.fr>
5907 * configure.ac (DWARF-2 debug_line): Use objdump.
5908 * configure: Regenerate.
5910 2005-01-08 Jeff Law <law@redhat.com>
5911 Diego Novillo <dnovillo@redhat.com>
5913 PR tree-optimization/18241
5914 * tree-nrv.c (tree_nrv): Ignore volatile return values.
5915 * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5916 statements with volatile operands.
5917 * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5918 operands after marking a statement with has_volatile_ops.
5920 2005-01-08 Roger Sayle <roger@eyesopen.com>
5922 * tree.c (int_fits_type_p): Always honor integer constant
5923 TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5925 2005-01-08 Roger Sayle <roger@eyesopen.com>
5927 * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5928 the latent bug in rtl_delete_block has been resolved.
5930 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
5932 * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5933 (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5935 2005-01-08 Richard Sandiford <rsandifo@redhat.com>
5937 * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5938 library as @multilib_dir@/$(SHLIB_SONAME).
5940 2005-01-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5942 * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5943 * configure: Regenerate.
5945 2005-01-07 Jakub Jelinek <jakub@redhat.com>
5947 * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5950 2005-01-07 David Edelsohn <edelsohn@gnu.org>
5953 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5954 Convert non-word aligned offset address using ld/std into
5957 2005-01-07 Richard Henderson <rth@redhat.com>
5959 * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5961 2005-01-07 Richard SAndiford <rsandifo@redhat.com>
5963 * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5965 2005-01-07 Jakub Jelinek <jakub@redhat.com>
5967 PR tree-optimization/19283
5968 * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5969 is not shorter than the original type.
5971 PR rtl-optimization/19012
5972 * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5974 PR rtl-optimization/18861
5975 * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5976 (FULL_STATE): Define.
5977 (mark_tablejump_edge): New function.
5978 (purge_dead_tablejump_edges): New function.
5979 (find_bb_boundaries): Use it.
5981 PR tree-optimization/18828
5982 * builtins.c (expand_builtin_next_arg): Remove argument and all
5983 the argument checking.
5984 (expand_builtin): Adjust caller.
5985 (expand_builtin_va_start): Likewise. Remove error for too many
5987 (fold_builtin_next_arg): Issue error for too many arguments.
5988 After checking arguments, replace them with magic arguments that
5989 prevent further checking of the args.
5991 2005-01-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5993 * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5995 2005-01-06 Roger Sayle <roger@eyesopen.com>
5998 * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5999 and %{.S:...} (and their negative variants) to test whether the
6000 input file is assembler or pre-processed-assembler independent of
6001 the actual filename extension.
6003 2005-01-06 Roger Sayle <roger@eyesopen.com>
6005 * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
6006 of sign or zero extended values.
6008 2005-01-06 Geoffrey Keating <geoffk@apple.com>
6010 * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
6011 for IBM long double format correctly.
6013 2005-01-06 Daniel Berlin <dberlin@dberlin.org>
6015 Fix PR tree-optimization/18792
6017 * tree-data-ref.c (build_classic_dist_vector): Change first_loop
6018 to first_loop_depth, and use loop depth instead of loop number.
6019 (build_classic_dir_vector): Ditto.
6020 (compute_data_dependences_for_loop): Use depth, not loop number.
6021 * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
6022 number. Pass in loops, instead of loop numbers.
6023 (gather_interchange_stats): Ditto.
6024 (linear_transform_loops): Ditto.
6026 2005-01-06 Richard Sandiford <rsandifo@redhat.com>
6029 * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
6030 biv_fits_mode_p, extension_within_bounds_p): New functions.
6031 (check_ext_dependent_givs): Use them.
6033 2005-01-06 Roger Sayle <roger@eyesopen.com>
6035 * cfgrtl.c (rtl_delete_block): A basic block may be followed by
6036 more than one barrier, in which case we should delete them all.
6038 2005-01-06 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
6040 * gcc.c (process_command): Change year in 'gcc --version' to 2005.
6042 2005-01-05 Daniel Berlin <dberlin@dberlin.org>
6044 Fix PR middle-end/19286
6046 * dwarf2out.c (gen_subprogram_die): If we've already tried to
6047 output this subprogram, simply ignore this attempt to do it again.
6048 (add_abstract_origin_attribute): Don't abort trying to add the abstract
6049 origin attribute if it's not possible.
6050 (gen_block_die): Don't ignore subblocks of "unused" blocks.
6051 (decls_for_scope): Ditto.
6052 * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
6053 (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
6055 2005-01-05 Richard Henderson <rth@redhat.com>
6058 * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
6059 (bdesc_2arg): Use it.
6060 (ix86_expand_binop_builtin): Force operands into registers
6062 (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
6063 ix86_expand_sse_compare, ix86_expand_sse_comi,
6064 ix86_expand_builtin): Likewise.
6066 2005-01-05 Richard Henderson <rth@redhat.com>
6068 * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
6070 * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
6071 (mulv4hi3): Set itanium_class mmmul.
6072 (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
6073 (fpack): Rename from fpack_sfsf.
6075 2005-01-05 Richard Henderson <rth@redhat.com>
6078 * reload1.c (do_input_reload): Restrict the optimization deleteing
6079 a previous output reload to RELOAD_FOR_INPUT.
6081 2005-01-05 Steven Bosscher <stevenb@suse.de>
6083 * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
6084 comment that we fall through after case.
6085 (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
6086 (distribute_links): Likewise.
6087 * cse.c (cse_insn): Likewise.
6088 * cselib.c (cselib_invalidate_mem): Likewise.
6089 * df.c: Update comments at the top of the file.
6090 (read_modify_subreg_p): Update comments here too.
6091 (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
6092 * flow.c (mark_set_1): Likewise.
6093 (mark_used_regs): Likewise.
6094 * gcse.c (mems_conflict_for_gcse_p): Likewise.
6095 (canon_list_insert): Likewise.
6096 (mark_set): Likewise.
6097 (try_replace_reg): Likewise.
6098 (store_killed_in_insn): Likewise.
6099 * loop.c (count_one_set): Likewise.
6100 (basic_induction_var): Likewise.
6101 * postreload-gcse.c (find_mem_conflicts): Likewise.
6102 * postreload.c (reload_combine_note_store): Likewise.
6103 (move2add_note_store): Likewise.
6104 * reload.c (find_equiv_reg): Likewise.
6105 (mark_referenced_resources): Likewise.
6106 * rtlanal.c (set_noop_p): Likewise.
6107 (note_stores): Likewise.
6108 (note_uses): Likewise.
6109 * sched-deps.c (sched_analyze_1): Likewise.
6110 * sched-rgn.c (check_live_1): Likewise.
6111 (update_live_1): Likewise.
6112 * config/i860/i860.c: Likewise.
6114 * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
6116 (ZERO_EXTRACT): Mention that this one can be an lvalue.
6118 * doc/rtl.texi: Update documentation for bit-fields and SET.
6120 2005-01-05 Roger Sayle <roger@eyesopen.com>
6122 * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
6124 2005-01-05 Jan Hubicka <jh@suse.cz>
6125 Richard Henderson <rth@redhat.com>
6128 * config/i386/i386.c (ix86_expand_move): Handle tls symbols
6131 2005-01-05 Richard Henderson <rth@redhat.com>
6134 * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
6135 (sse_shufps): Change operand 3 to const_int_operand.
6136 (sse2_storelps): Fix typo in template.
6137 (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
6138 * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
6139 (ix86_expand_builtin): Likewise.
6141 2005-01-05 Julian Brown <julian@codesourcery.com>
6143 * config/arm/arm.c (arm_return_in_memory): Treat complex types
6144 as aggregates for AAPCS ABIs.
6146 2005-01-05 Stan Shebs <shebs@apple.com>
6148 * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
6149 Mach-O getters if ppc64.
6150 * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
6152 * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6153 signed four-byte field for global code case.
6154 (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
6156 2005-01-05 Roger Sayle <roger@eyesopen.com>
6159 * c-common.c: Include real.h.
6160 (c_common_truthvalue_conversion): Avoid destructively modifying expr.
6161 Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
6162 Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
6163 * Makefile.in (c-common.o): Update dependencies.
6165 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6167 * c-parse.in (asm_string): Add trailing semicolon.
6169 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6171 * c-parse.in (asm_string): New. Don't allow wide strings in
6173 (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
6174 asm_string instead of STRING.
6176 2005-01-05 Joseph S. Myers <joseph@codesourcery.com>
6178 * c-typeck.c (constructor_no_implicit): Remove.
6179 (set_designator, process_init_element): Don't check
6180 constructor_no_implicit.
6182 2005-01-05 J"orn Rennecke <joern.rennecke@st.com>
6183 Kaz Kojima <kkojima@gcc.gnu.org>
6186 * lcm.c (create_pre_exit): New.
6187 (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
6188 ENTRY_EXIT_EXTRA to 3. Use create_pre_exit.
6190 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
6192 * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
6193 -msoft-float in target_float_switch.
6194 * arm.c (arm_override_options): Fix processing of target_float_switch.
6196 2004-01-05 Richard Earnshaw <rearnsha@arm.com>
6198 * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6201 2004-01-05 Uros Bizjak <uros@kss-loka.si>
6203 * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6204 Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6206 2005-01-04 Roger Sayle <roger@eyesopen.com>
6208 * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6209 if deleting the then-block allows the test-block to fallthru to the
6212 2005-01-04 Andrew Pinski <pinskia@physics.uc.edu>
6215 * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6216 after the full declaration if the are in two different TUs.
6218 2005-01-04 Richard Henderson <rth@redhat.com>
6221 * tree-sra.c (generate_one_element_init): Just
6222 call gimplify_and_add.
6223 (generate_element_init): Record the
6224 new referenced variables and mark them for renaming
6225 and split out to ...
6226 (generate_element_init_1): This.
6227 (scalarize_init): Don't call push_gimplify_context/
6228 pop_gimplify_context.
6230 2005-01-04 Geoffrey Keating <geoffk@apple.com>
6232 * toplev.c (get_src_pwd): Handle failure of getpwd().
6234 2005-01-04 Roger Sayle <roger@eyesopen.com>
6236 * fold-const.c (fold_single_bit_test): Delete unreachable handling
6238 (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6239 all the cases handled by it are inverted by invert_truthvalue.
6241 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6243 * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6244 (save_register_windowsi): Likewise.
6246 2005-01-04 Richard Henderson <rth@redhat.com>
6248 * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6250 2005-01-04 Uros Bizjak <uros@kss-loka.si>
6253 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6254 any simplifications of vector mode comparison operators.
6255 * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6257 2005-01-04 Paolo Bonzini <bonzini@gnu.org>
6258 Devang Patel <dpatel@apple.com>
6260 PR tree-optimization/18308
6261 * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6262 the operands before creating a new expression.
6263 * dojump.c (do_jump): Make drop_through_label available
6264 for all cases. Add expansion of COND_EXPR.
6266 2005-01-04 Ira Rosen <irar@il.ibm.com>
6268 * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6269 INTEGER_CST instead of TREE_CONSTANT.
6270 (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6271 instead of TREE_CONSTANT.
6272 (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6273 instead of TREE_CONSTANT.
6275 2005-01-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6277 * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6279 2005-01-04 Uros Bizjak <uros@kss-loka.si>
6282 * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6283 (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6285 2005-01-03 Richard Henderson <rth@redhat.com>
6287 * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6288 (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6289 fold_convert_const_real_from_real): Split out from ...
6290 (fold_convert_const): ... here.
6292 2005-01-03 Richard Henderson <rth@redhat.com>
6295 * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6296 (mov<MMXMODEI>_internal): Likewise.
6297 (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6298 Add V2SF case; use it for SSE1; don't use TI.
6299 (movdf_integer): Likewise.
6300 (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6302 2005-01-03 Ira Rosen <irar@il.ibm.com>
6304 * tree-vectorizer.c (vect_strip_conversions): New function.
6305 (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6306 check for binary class.
6308 2005-01-03 Daniel Berlin <dberlin@dberlin.org>
6312 * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6314 * gimple-low.c (mark_blocks_with_used_vars): New function.
6315 (mark_blocks_with_used_subblocks): Ditto.
6316 (mark_used_blocks): Ditto.
6317 (pass_mark_used_blocks): New pass.
6318 * tree-inline.c: Include debug.h.
6319 (expand_call_inline): Call outlining_inline_function here.
6320 * tree-optimize.c (init_tree_optimization_passes): Add
6321 pass_mark_used_blocks.
6322 * tree-pass.h (pass_mark_used_blocks): New.
6323 * Makefile.in (tree-inline.o): Add debug.h dependency.
6325 2005-01-03 Geoffrey Keating <geoffk@apple.com>
6327 * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6328 VAR_DECLs to have weak_import attribute.
6330 * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6333 2004-01-03 Steven Bosscher <stevenb@suse.de>
6335 * passes.c (rest_of_compilation): Don't run regmove if only
6336 flag_expensive_optimizations, require flag_regmove instead.
6338 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6340 * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6342 * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6343 * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6344 * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6345 * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6347 2005-01-03 Richard Henderson <rth@redhat.com>
6349 * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6350 (ia64_const_ok_for_letter_p): New.
6351 (ia64_const_double_ok_for_letter_p): New.
6352 (ia64_extra_constraint): New.
6353 (ia64_expand_vecint_compare): New.
6354 (ia64_expand_vcondu_v2si): New.
6355 (ia64_expand_vecint_cmov): New.
6356 (ia64_expand_vecint_minmax): New.
6357 (ia64_print_operand): Add 'v'.
6358 (ia64_preferred_reload_class): New.
6359 (ia64_vector_mode_supported_p): New.
6360 * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6361 (PREFERRED_RELOAD_CLASS): Move to function.
6362 (CONST_OK_FOR_LETTER_P): Move to function.
6363 (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6364 (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6365 (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6366 (EXTRA_CONSTRAINT): Move to function.
6367 * config/ia64/ia64.md: Include vect.md.
6368 (itanium_class): Add mmalua.
6370 * config/ia64/itanium1.md (1_mmalua): New. Add it to bypasses.
6372 * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6373 * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6375 (const_int_2bit_operand): New.
6376 (fr_reg_or_0_operand): New.
6377 * config/ia64/ia64-modes.def: Add vector modes.
6378 * config/ia64/ia64-protos.h: Update.
6379 * config/ia64/vect.md: New file.
6381 2005-01-03 Richard Henderson <rth@redhat.com>
6383 * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6385 2005-01-03 Uros Bizjak <uros@kss-loka.si>
6388 * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6390 (log1pdf2): Change mode of operands[0,1] to DFmode.
6392 2005-01-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6394 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6395 * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6396 * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6397 * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6398 SPARC_RELAXED_ORDERING.
6400 2005-01-03 Richard Henderson <rth@redhat.com>
6401 Uros Bizjak <uros@kss-loka.si>
6404 * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6405 IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6406 * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6408 (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6409 * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6410 const_pow2_1_to_128_operand): New predicates.
6412 2005-01-02 Greg McGary <greg@mcgary.org>
6414 * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6416 (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6417 object. [ptr_type]: Remove unused variable.
6418 Remember nearest addressable array-element or record-component
6419 when checking bitfield components. Tolerate empty BIND_EXPR.
6421 2005-01-01 Richard Henderson <rth@redhat.com>
6423 * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6424 that don't narrow the value. Fail for other conversions.
6426 2005-01-01 Richard Henderson <rth@redhat.com>
6429 * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6430 * c-lang.c (finish_file): Don't do it here.
6431 * objc/objc-act.c (objc_finish_file): Likewise.
6433 * cgraph.c (decl_assembler_name_equal): New.
6434 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6435 (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6436 * cgraph.h (struct cgraph_varpool_node): Add next.
6437 (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6438 * varasm.c (assemble_alias): Mark the target as needed.
6440 2005-01-01 Andrew Pinski <pinskia@physics.uc.edu>
6443 * function.c (get_arg_pointer_save_area): Use entry_of_function
6444 instead of get_insns.
6446 2005-01-01 Roger Sayle <roger@eyesopen.com>
6447 Andrew Pinski <pinskia@physics.uc.edu>
6448 James E. Wilson <wilson@specifixinc.com>
6450 PR rtl-optimization/12092
6451 * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6454 2005-01-01 Roger Sayle <roger@eyesopen.com>
6455 Olivier Hainque <hainque@act-europe.fr>
6457 * tree.c (int_fits_type_p): A narrower type always fits in a
6458 wider one, except for negative values into unsigned types.
6460 2005-01-01 Roger Sayle <roger@eyesopen.com>
6462 * tree.c (int_fits_type_p): Compare the result of force_fit_type
6463 with the original constant rather than require TREE_OVERFLOW.
6465 2005-01-01 Steven Bosscher <stevenb@suse.de>
6468 * c-decl.c (finish_function): If compiling C99, annotate the
6469 compiler generated return with the current file name and line 0.
6470 * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6471 the source line is greater than 0.
6472 (remove_bb): Likewise.
6474 See ChangeLog.12 for earlier changes.