PR c++/20142
[official-gcc.git] / gcc / ChangeLog
blob4fee0cfc9202e0b5e2374ed1421657663ea88ad7
1 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
3         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
5         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
7         * expr.c (expand_assignment): Remove orig_to_rtx.
9         * fold-const.c (int_const_binop): Remove no_overflow.
11         * ifcvt.c (noce_emit_move_insn): Remove inmode.
13         * loop-iv.c (get_biv_step_1): Remove lhs.
15         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
17         * real.c (real_nan): Remove neg.
19 2005-03-08  Jeff Law  <law@redhat.com>
21         * tree-cfg.c (cleanup_control_flow): If removal of a computed
22         goto results in the removal of edges in the CFG, then we need
23         to recompute dominators.
25 2005-03-09  Ben Elliston  <bje@au.ibm.com>
27         * c-common.c (c_do_switch_warnings): Comment fix.
29 2005-03-08  Julian Brown  <julian@codesourcery.com>
31         * Patch from 2005-03-08 reverted for causing regressions and
32         ppc-darwin bootstrap failure.
34 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
36         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
37         Define the real function for ppc-darwin.
38         * c-typeck.c (convert_arguments): Check for target-specific
39         invalid argument call to unprototyped function.
40         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
41         New Macro.
42         * target.h (invalid_arg_for_unprototyped_fn): New field 
43         in struct calls.
44         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
45         default target hook.
46         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
47         Declare.
49 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
51         * c-typeck.c (constructor_stack, constructor_range_stack,
52         initializer_stack): Make them static.
54         * cfg.c (rbi_pool): Make it static.
56         * gimple-low.c (lower_stmt_body): Make it static.
57         * tree-flow.h: Remove the corresponding prototype.  Don't
58         declare lower_data.
60         * sched-deps.c (cache_size): Make it static.
62         * stor-layout.c (lang_adjust_rli): Make it static.
64 2005-03-08  Julian Brown  <julian@codesourcery.com>
66         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
67         from being used for symbols with vague linkage when
68         HAVE_GAS_COMDAT_GROUP is true.
70 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
72         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
73         nlabel == JUMP_LABEL (jump).
75 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
77         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
78         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
79         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
80         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
82 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
84         PR c/14411
85         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
86         * c-common.c (handle_returns_twice): New function.
87         (c_common_attribute_table): Declare eturns_twice' attribute.
88         * doc/extend.texi: Document eturns_twice' attribute.
89         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
90         (struct tree_decl): Add returns_twice_flag.
92 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
94         * tree-ssa-phiopt.c: Fix a comment typo.
96         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
97         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
98         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
99         copyright.
101 2005-03-08  Richard Henderson  <rth@redhat.com>
103         * config/alpha/alpha.c (code_for_builtin): Replace special-case
104         builtin codes with ctzdi2, clzdi2, popcountdi2.
105         (struct alpha_builtin_def): Add is_const.
106         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
107         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
108         (alpha_init_builtins): Init them.  Set nothrow and const attributes
109         on builtins.
110         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
111         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
112         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
113         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
114         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
115         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
116         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
117         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
118         (TARGET_FOLD_BUILTIN): New.
119         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
120         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
121         (ffsdi2): Use ctz.
122         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
124 2005-03-08  Ira Rosen  <irar@il.ibm.com>
126         PR tree-optimization/20122
127         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
128         condition of access function instead of base.
130 2005-03-07  Jeff Law  <law@redhat.com>
131             Steven Bosscher  <stevenb@suse.de>
133         * tree-cfg.c (find_taken_edge_computed_goto): New function.
134         (find_taken_edge): Call find_taken_edge_computed_goto as
135         appropriate.  Allow any gimple invariant rather than just
136         INTEGER_CST for VAL.
137         (cleanup_control_flow): Cleanup a computed goto which has turned
138         into a simple goto.
139         (tree_merge_blocks): If block B has any forced labels, move
140         them to the start of block A.
141         * tree-ssa-dom.c (thread_across_edge): Allow threading across
142         computed gotos as well.
143         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
144         removal of unnecessary computed gotos too.
145         (lookup_redirection_data): Fix type of INSERT argument.  Callers
146         updated.
148 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
150         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
151         Remove trailing spaces.
153         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
154         unshare_all_trees): Make them static.
155         * tree-gimple.h: Remove the corresponding prototypes.
157         * diagnostic.h: Remove unused prototype
158         debug_output_buffer.
159         * modulo-sched.c: Remove unused prototype
160         set_row_column_for_ps.
162         * tree-ssa-phiopt.c (tree_ssa_phiopt,
163         replace_phi_edge_with_variable): Remove unused variable i.
165 2005-03-07  Per Bothner  <per@bothner.com>
167         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
169 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
170         
171         PR tree-opt/17671
172         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
173         bbs on the COND_EXPR instead of the PHI_NODEs.
174         (candidate_bb_for_phi_optimization): Remove.
175         (replace_phi_with_stmt): Rename to ...
176         (replace_phi_edge_with_variable): this and change so that we
177         replace the phi argument instead of removing the PHI.
178         (conditional_replacement): Change so we deal with PHI with more
179         than two arguments.
180         (value_replacement): Likewise.
181         (abs_replacement): Likewise.
183 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
185         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
186         output_e500_flip_gt_bit.
188         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
189         as bit 31.
190         (rs6000_generate_compare): Fix logic to look at the correct bits.
191         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
192         Look at GT bit.
193         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
194         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
195         gen_move_from_CR_gt_bit.
197         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
198         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
199         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
201         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
202         (E500_CR_IOR_COMPARE): New constant.
204 2005-03-08  Earl Chew <earl_chew@agilent.com>
205             David Billinghurst <David.Billinghurst@riotinto.com>
207         * config/i386/host-cygwin.c: New file to support precompiled
208         headers on cygwin
209         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
210         * config.host: Use above files for cygwin host.
212 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
214         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
215         ordering ops from earlier change.
217 2005-03-07  Per Bothner  <per@bothner.com>
219         Various fixes to allow us to again build if --enable-mapped-location:
220         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
221         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
222         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
223         local variable loc. Change logic appropriately.
224         * tree-vect-transform.c (vect_finish_stmt_generation): Use
225         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
226         * c-parser.c (c_parser_for_statement): Initialize loc variable.
227         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
228         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
230 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
232         PR rtl-optimization/19683
233         * reload1.c (choose_reload_regs): Pass the number of bits, not the
234         number of bytes, to smallest_int_for_mode.  Fix arguments to
235         REG_CANNOT_CHANGE_MODE_P.
237 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
239         * reorg.c (relax_delay_slots): Check that the jump is
240         conditional before trying to invert it.
242 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
244         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
245         Make them static.
247         * calls (stack_arg_under_construction): Make it static.
249         * flow.c (regs_live_at_setjmp): Make it static.
250         * flow.h: Remove the corresponding prototype.
252         * reload1.c (reload_startobj, reload_firstobj,
253         something_needs_operands_changed, reload_inherited,
254         reload_inheritance_insn, reload_override_in,
255         reload_spill_index): Make them static.
257         * recog.c (verify_changes): Make it static.
258         * recog.h: Remove the corresponding prototype.
260         * cfgbuild.c (find_sub_basic_blocks): Remove.
261         * basic-block.h: Remove the corresponding prototype.
262         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
263         in comments.
264         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
266         * tree-ssa-operands.c (check_build_stmt): Remove.
268         * stor-layout.c (set_alignment): Remove.
269         * tree.h: Remove the corresponding prototype.
271         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
273         * tree-ssa-dce.c (control_dependence_map,
274         visited_control_parents): Make them static.
276         * cfghooks.c (verify_flow_info): Remove local variable
277         num_bb_notes.
279         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
280         last_bb_seen.
282         * loop-unswitch.c (unswitch_loop): Remove local variable src.
284 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
286         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
288 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
290         * config/ia64/hpux.h (LINK_SPEC): Add -z.
291         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
292         PARALLEL for an empty structure.
294 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
296         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
298         * fold-const.c (fold_binary): Unroll the very first "for"
299         loop.
301 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
303         * config/rs6000/predicates.md (branch_comparison_operator): Remove
304         redundant match_code test.
305         (scc_comparison_operator): Swap match_operand and match_code
306         tests.
307         (branch_positive_comparison_operator): Same.
308         (trap_comparison_operator): Use comparison_operator and swap with
309         match_code test.
311 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
313         PR target/20288
314         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
315         (out_movhi_r_mr): Read low byte of volatile MEM first.
316         (out_movhi_mr_r): Write high byte of volatile MEM first.
318 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
320         * cselib.c (reg_values, reg_values_size): Make them static.
322         * cse.c (cse_reg_info_table): Make it static.
324         * fold-const.c (fold_unary): Use build1 instead of copy_node.
326 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
328         * cse.c (find_best_addr): Use canon_for_address.
330 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
332         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
333         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
334         SUBREG and MEM, respectively.
336         * fold-const.c (fold_binary): Use code instead of t.
338         * fold-const.c (optimize_minmax_comparison): Take decomposed
339         arguments code, type, op0, and op1 instead of t.
340         (fold_binary): Update a call to optimize_minmax_comparison.
342         * fold-const.c (fold_range_test): Take decomposed arguments
343         code, type, op0, and op1 instead of t.
344         (fold_binary): Update a call to fold_range_test.
346         * fold-const.c (fold_binary_op_with_conditional_arg): Take
347         decomposed arguments code, type, op0, and op1 instead of t.
348         (fold_binary): Update a call to fold_range_test.
350 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
352         * fold-const.c (fold_binary): Avoid directly using the original
353         expression t as much as possible.
355 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
357         * c-semantics.c (build_stmt): Use TYPE_P instead of
358         IS_NON_TYPE_CODE_CLASS.
359         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
360         (NON_TYPE_CHECK): Use TYPE_P instead of
361         IS_NON_TYPE_CODE_CLASS.
363         * fold-const.c (fold): Remove handling of binary expressions.
365 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
367         * doc/c-tree.texi: Wrap comments in @r{}.
368         * doc/cpp.texi: Likewise.
369         * doc/cppinternals.texi: Likewise.
370         * doc/extend.texi: Likewise.
371         * doc/md.texi: Likewise.
372         * doc/objc.texi: Likewise.
373         * doc/sourcebuild.texi: Likewise.
374         * doc/tm.texi: Likewise.
375         * doc/tree-ssa.texi
377 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
379         * predict.c (apply_return_prediction): Standardize PHI chain
380         walking.
381         * tree-ssa.c (ssa_redirect_edge): Likewise.
383         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
384         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
385         Update copyright.
387         * tree-phinodes.c (remove_phi_node): Drop the last argument.
388         * tree-flow.h: Adjust the prototype for remove_phi_node.
389         * lambda-code.c (perfect_nestify): Adjust a call to
390         remove_phi_node.
391         * tree-cfg.c
392         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
393         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
394         Likewise.
395         * tree-ssa-dce.c (remove_dead_phis): Likewise.
396         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
397         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
398         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
400         * combine.c (simplify_and_const_int): Use gen_int_mode instead
401         of GEN_INT (trunc_int_for_mode (...)).
402         * loop-iv.c (iv_number_of_iterations): Likewise.
403         * postreload.c (reload_cse_move2add): Likewise.
404         * simplify-rtx.c (simplify_const_unary_operation,
405         simplify_const_binary_operation): Likewise.
406         * stor-layout.c (get_mode_bounds): Likewise.
408         * fold-const.c (fold_binary): New.
409         (fold): Call fold_binary on binary expressions.
411 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
413         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
414         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
415         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
416         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
417         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
419 2005-03-04  Devang Patel  <dpatel@apple.com>
420         
421         PR tree-optimization/18815
422         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
423         loops with zero exit edges.
425 2005-03-04  Devang Patel  <dpatel@apple.com>
427         * doc/invoke.texi: Remove reference to webpage that does not exist.
428         
429 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
430             Joseph S. Myers  <joseph@codesourcery.com>
432         PR c++/19797
433         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
434         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
435         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
436         * pa.c (get_plabel): Change argument to symbol_ref.  Call
437         maybe_get_identifier instead of get_identifier.
438         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
439         (struct deferred_plabel): Replace name field with symbol field.
440         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
441         ASM_OUTPUT_EXTERNAL_REAL is defined.
442         (output_global_address): Use output_addr_const for output of all
443         symbol_refs.
444         (output_deferred_plabels): Use symbol_ref instead of name for address
445         output.
446         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
447         ASM_OUTPUT_SYMBOL_REF): New macros.
448         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
449         comment.
450         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
451         label.
453 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
455         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
456         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
458 2005-03-04  Jeff Law  <law@redhat.com>
460         * basic-block.h (rediscover_loops_after_threading): Declare.
461         * tree-ssa-dom.c: Include cfgloop.h.
462         (tree_ssa_dominator_optimize): Discover loops and some basic
463         properties.  Remove forwarder blocks recreated by loop header
464         canonicalization.  Also mark backedges in the CFG.
465         * tree-ssa-threadupdate.c: Include cfgloop.h
466         (rediscover_loops_after_threading): Define.
467         (struct local_info): New field, JUMP_THREADED.
468         (prune_undesirable_thread_requests): New function.
469         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
470         then record that fact for the callers of redirct_edges.
471         (thread_block): If BB has incoming backedges, then call
472         prune_undesirable_thraed_requests.    Note when we are
473         going to have to rediscover loop information.  Return a
474         boolean indicating if any jumps were threaded.
475         (thread_through_all_blocks): Bubble up boolean indicating
476         if any jumps were threaded.
477         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
478         (tree-ssa-threadupdate.o): Similarly.
480 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
482         * fold-const.c (fold_ternary): Unroll the "for" loop to
483         extract operands.  
485 2005-03-04  Andrew Haley  <aph@redhat.com>
487         * unwind-dw2-fde-glibc.c (struct
488         unw_eh_callback_data.check_cache): New field.
489         (frame_hdr_cache): New.
490         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
491         Cache frame header info.
493 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
495         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
496         (print_c_condition): Declare.
497         * read-rtl.c (ptr_loc): New structure.
498         (ptr_locs, ptr_loc_obstack, joined_conditions)
499         (joined_conditions_obstack): New variables.
500         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
501         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
502         (join_c_conditions, print_c_condition): New functions.
503         (apply_macro_to_string): Associate the new string with the same
504         source location as the old one.
505         (add_condition_to_string): Use join_c_conditions.
506         (read_string): Use set_rtx_ptr_loc to record a filename and line
507         number for the string.
508         (read_rtx): Initialize the new variables above.
509         * genattrtab.c (write_test_expr, write_attr_value): Use
510         print_c_condition.
511         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
512         comment above the GCC_VERSION check.
513         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
514         Inline the definition of MAYBE_EVAL.
515         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
516         * genoutput.c (process_template): Likewise.
517         * genpreds.c (write_predicate_subfunction): Likewise.
518         (write_predicate_expr): Use print_c_condition.
519         * genrecog.c (write_cond): Likewise.
520         * gensupport.c (process_rtx): Use join_c_conditions to join the
521         conditions of a define_insn_and_split.  Record a source location
522         for the string after the "&&".
523         (alter_test_for_insn): Use join_c_conditions.
525 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
527         Revert for now:
528         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
529         PR tree-optimization/15784
530         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
531         and -1 - A to ~A.
533 2005-03-04  Ben Elliston  <bje@au.ibm.com>
535         * gcc.c (option_map): Add --coverage.
536         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
537         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
538         * config/darwin.h: Pass -lgcov for `coverage'.
539         * doc/invoke.texi (Debugging Options): Document --coverage.
541 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
543         * gcse.c (bypass_block): Use find_edge wherever possible.
545 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
547         Fix PR debug/20253
548         
549         * c-opts.c (c_common_parse_file): Call start_source_file
550         and end_source_file at the approriate times.
552         * dwarf2out.c (dwarf2out_finish): Don't auto-end
553         the main file, it will be done for us now.
554         
555 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
557         * fold-const.c (fold_ternary): New.
558         (fold): Call fold_ternary on ternary expressions.  Remove
559         handling of ternary expressions.
561 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
563         PR tree-optimization/15784
564         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
565         and -1 - A to ~A.
567 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
569         * config/rs6000/predicates.md (branch_comparison_operator):
570         Convert from C block to conditional format.
572 2005-03-03  Jan Hubicka  <jh@suse.cz>
574         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
575         and non-constant public variables.
577 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
579         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
580         with LABEL_EXPR.
582         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
583         EDGE_I.
585         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
586         calls to release_ssa_name and release_phi_node.
588         * fold-const.c (fold): Remove handling of unary expressions.
590         * fold-const.c (fold_unary): Avoid directly using the original
591         expression t as much as possible.
593 2005-03-03  Roger Sayle  <roger@eyesopen.com>
594             Andrew Pinski  <pinskia@physics.uc.edu>
596         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
597         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
599 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
601         Describe special registers SRP and MOF as allocatable registers.
602         * config/cris/cris.c (cris_md_asm_clobbers): New function.
603         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
604         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
605         TARGET_HAS_MUL_INSNS.
606         (cris_print_operand) <case 'd'>: New case.
607         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
608         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
609         define.
610         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
611         (REG_ALLOC_ORDER): Update for MOF.
612         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
613         SPECIAL_REGS.
614         (GENERAL_REGS): No longer a define of ALL_REGS.
615         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
616         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
617         Adjust accordingly.
618         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
619         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
620         (SECONDARY_RELOAD_CLASS): Define.
621         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
622         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
623         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
624         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
625         (REGISTER_MOVE_COST): Define.
626         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
627         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
628         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
629         (CRIS_MOF_REGNUM): New define_constants.
630         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
631         special registers.
632         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
633         New patterns.
634         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
635         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
636         Adjust for MOF being properly described as a register.
637         (indir_to_reg_split): Name this split.  Conditionalize on the
638         destination register being a general register.
639         (movei): Conditionalize on on operands 0 and 1 having the same
640         register class.
642 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
644         PR target/20277
645         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
646         -mcpu to override any other explicitly given flags.
648 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
650         * recog.c (verify_changes, confirm_change_group): New functions,
651         broken out of apply_change_group.
652         (apply_change_group): Use them.
653         * recog.h (verify_change, confirm_change_group): Declare.
654         * rtl.h (redirect_jump_2): Declare.
655         * jump.c (redirect_exp, invert_exp): Delete.
656         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
657         (redirect_jump_2): New function, broken out of redirect_jump.
658         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
659         (invert_jump): Use invert_jump_1 and redirect_jump_2.
660         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
662 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
664         * varasm.c (named_section): Use xstrdup rather than doing it by
665         hand.
667         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
669 2005-03-02  Devang Patel  <dpatel@apple.com>
670         
671         Undo PR tree-optimization/18815 fix.
672         
673 2005-03-02  Devang Patel  <dpatel@apple.com>
675         PR tree-optimization/18815
676         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
677         loops with zero exit edges.
678         
679 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
681         * cfg.c (connect_src, connect_dest, disconnect_src,
682         disconnct_dest): New.
683         (unchecked_make_edge, remove_edge, redirect_edge_succ,
684         redirect_edge_pred): Use the new functions.
686         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
687         free_dominance_info only when needed.
689 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
691         PR target/20276
692         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
693         (reg_or_sub_cint64_operand): Same.
695 2005-03-02  Jeff Law  <law@redhat.com>
697         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
698         CFG_ALTERED in the main DOM iteration loop.
700 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
702         PR c++/19916
703         * varasm.c (initializer_constant_valid_p): Allow conversions
704         between OFFSET_TYPEs.  Tidy.
706 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
708         * config/cris/cris.md ("return"): Remove epilogue delay list
709         sanity check.
711 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
713         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
714         for Thumb.
715         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
717 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
719         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
720         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
721         config/m68k/m68k.c, config/mips/mips.h,
722         config/rs6000/rs6000-protos.h, doc/contrib.texi,
723         doc/include/gcc-common.texi: Update copyright.
725         PR middle-end/18029 and PR middle-end/18030
726         * expr.c (optimize_bitfield_assignment_op): Add a special case
727         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
729         * fold-const.c (fold_unary): New.
730         (fold): Call fold_unary on unary expressions.
732 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
734         * cgraph.h (struct cgraph_edge): Add prev_caller and
735         prev_callee fields.
736         (cgraph_node_remove_callees): Export.
737         * cgraph.c (cgraph_create_edge): Initialize prev_caller
738         and prev_callee.
739         (cgraph_edge_remove_callee): New function.
740         (cgraph_edge_remove_caller): Likewise.
741         (cgraph_remove_edge): Use.
742         (cgraph_redirect_edge_callee): Likewise.
743         (cgraph_node_remove_callees): New function.
744         (cgraph_node_remove_callers): Likewise.
745         (cgraph_remove_node): Use.
746         * tree-optimize.c (tree_rest_of_compilation): Use
747         cgraph_node_remove_callees instead of manual loop.
748         * cgraphunit.c (cgraph_finalize_function): Likewise.
749         (cgraph_expand_function): Likewise.
750         (cgraph_remove_unreachable_nodes): Likewise.
752 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
754         PR c/8927
755         * c-tree.h (undeclared_variable, build_external_ref): Add extra
756         argument.
757         * c-decl.c (undeclared_variable): Take location as argument.
758         * c-typeck.c (build_external_ref): Likewise.
759         * c-parser.c (c_parser_postfix_expression): Pass location of
760         identifier to build_external_ref.
762 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
764         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
765         CCEQ mode for branch_positive_comparison_operator test.
766         * config/rs6000/predicates (branch_comparison_operator): Revert to
767         define_predicate.
768         (scc_comparison_operator): Same.
769         (branch_positive_comparison_operator): Same.
771 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
773         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
774         (cris_delay_slots_for_epilogue): Remove.
775         (save_last): Move into cris_target_asm_function_epilogue.
776         (cris_target_asm_function_epilogue): Remove tests for file being
777         NULL.
778         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
779         (cris_delay_slots_for_epilogue): Remove prototypes.
780         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
781         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
783 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
785         * config/rs6000/predicates.md (branch_comparison_operator): Change
786         to define_special_predicate.
787         (scc_comparison_operator): Same.
788         (branch_positive_comparison_operator): Same.
790 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
792         * Makefile.in (tree-ssa-sink.o): New.
793         (OBJS-common): Add tree-ssa-sink.o.
794         * common.opt: Add -ftree-sink
795         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
796         * timevar.def (TV_TREE_SINK): new timevar.
797         * tree-flow.h (is_hidden_global_store): Prototype.
798         * tree-optimize.c (init_tree_optimization_passes): Add
799         pass_sink_code.
800         * tree-pass.h (pass_sink_code): New.
801         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
802         for non-obvious global store store to is_hidden_global_store, and
803         call that new function.
804         * tree-ssa-sink.c: New file.
805         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
806         * doc/passes.texi: Document forward store motion.
807         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
808         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
809         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
810         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
812 2005-03-01  Per Bothner  <per@bothner.com>
814         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
815         and we have a non-zero column-number, add it to the message.
816         Also factor out the diagnostic_kind_text.
818 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
820         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
821         flow_loop_pre_header_scan, flow_loop_pre_header_find,
822         flow_loop_scan): Removed.
823         (flow_loop_dump): Do not dump removed fields.
824         (flow_loop_free): Do not free removed fields.
825         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
826         (loop_exit_edge_p): New function.
827         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
828         num_pre_header_edges, entry_edges, num_entries, exit_edges,
829         num_exits, exits_doms.
830         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
831         LOOP_EDGES, LOOP_ALL): Removed.
832         (flow_loop_scan): Declaration removed.
833         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
834         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
835         flow_loops_find.
836         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
837         (if_convert): Call flow_loops_find and flow_loops_free
838         when calling mark_loop_exit_edges.
839         * cfgloopanal.c (mark_loop_exit_edges): Moved from
840         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
841         free_dominance_info calls.
842         * loop-init.c (flow_loops_find): Ditto.
843         * passes.c (rest_of_handle_branch_prob): Ditto.
844         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
845         * loop-unroll.c (analyze_insns_in_loop): Do not use
846         EDGE_LOOP_EXIT.
847         * predict.c (predict_loops): Do not call flow_loop_scan.
848         Use get_loop_exit_edges.
849         (tree_estimate_probability): Do not pass flags to flow_loops_find.
850         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
851         Do not use EDGE_LOOP_EXIT.
852         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
853         to bb_with_exit_edge_p.
854         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
855         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
856         to bb_with_exit_edge_p.
857         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
858         EDGE_LOOP_EXIT.
859         * tree-loop-linear.c (linear_transform_loops): Do not call
860         flow_loop_scan.  Use loop->single_exit.
861         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
862         (vect_analyze_loop_form): Do not call flow_loop_scan.
863         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
864         loop->single_exit.
865         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
866         loop->single_exit.
867         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
868         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
869         slpeel_tree_duplicate_loop_to_edge_cfg,
870         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
871         Use loop_preheader_edge and loop->single_exit.  Do not call
872         flow_loop_scan.
874 2005-03-01  Nick Clifton  <nickc@redhat.com>
876         * config/arm/arm.c (thumb_find_work_register): Check all of the
877         argument registers to see if they are free, and a couple of
878         special cases where the last argument register but can be proved
879         to be available during the function's prologue.
880         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
881         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
882         thumb_unexpanded_epilogue): Use unsigned long as the type for the
883         register bit-mask.
884         (thumb_compute_save_reg_mask): Likewise.  Also use
885         thumb_find_work_register() to ensure that there is agreement about
886         which work register is going to be used in the prologue.
887         (thumb_output_function_prologue): Use unsigned long as the type
888         for the register bit-mask.  Also delay pushing the link register if
889         other high registers are going to be pushed.
890         (thumb_compute_save_reg_mask, emit_multi_reg_push,
891         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
892         redundant prototypes.
894 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
896         PR target/19819
897         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
898         and after reload in REG+REG indexed addresses without REG_POINTER
899         set in the base and not set in the index.
901 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
903         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
904         Don't undefine here.
905         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
906         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
907         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
908         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
909         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
910         Delete.
911         * config.gcc (sh*-*-linux*): Use config/linux.h.
913 2005-02-28  Dale Johannesen  <dalej@apple.com>
914             Stan Shebs  <shebs@apple.com>
916         Rewrite of 64-bit Darwin structure-by-value pass/return.
917         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
918         intoffset, use_stack, named.
919         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
920         (rs6000_darwin64_record_arg_advance_flush):  New.
921         (rs6000_darwin64_record_arg_advance_recurse): New.
922         (rs6000_darwin64_record_arg_flush):  New.
923         (rs6000_darwin64_record_arg_recurse):  New.
924         (rs6000_darwin64_record_arg):  New.
925         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
926         (function_arg_boundary):  Handle 128-bit aligned structs.
927         (function_arg_advance):  Rewrite darwin64 struct handling.
928         (function_arg):  Call rs6000_darwin64_record_arg.
929         (function_arg_partial_nregs):  Handle darwin64 structs.
930         (rs6000_darwin64_function_value):  Remove.
931         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
933 2005-02-28  Roger Sayle  <roger@eyesopen.com>
935         PR tree-optimization/20216
936         * tree-chrec.c (tree_fold_factorial): Delete.
937         (tree_fold_binomial): Change argument list to take a return type
938         and change the type of K to unsigned int.  Rewrite to avoid explicit
939         evaluation of factorials, and (recursively) calling fold to perform
940         compile-time arithmetic.  Return NULL on (internal) overflow.
941         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
942         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
943         if any intermediate calculation overflows.
944         (chrec_apply): Update call to chrec_evaluate.
946 2005-02-28  James E Wilson  <wilson@specifixinc.com>
948         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
950 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
952         PR c/20245
953         * c-parser.c (c_parser_compound_statement): Return error_mark_node
954         instead of NULL_TREE on error.
956 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
958         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
959         (EASY_VECTOR_15_ADD_SELF): Remove.
960         (num_insns_constant_wide): Not static.
961         (validate_condition_mode): Not static.
962         (toc_relative_expr_p): Not static.
963         (legitimate_indirect_address_p): Not static.
964         (macho_lo_sum_memory_operand): Not static.
965         (invalid_e500_subreg): Not static.
966         (easy_vector_same): Not static.
967         (easy_vector_splat_const): Not static.
968         (RS6000_SYMBOL_REF_TLS_P): Remove.
969         (any_operand): Delete.
970         (any_parallel_operand): Delete.
971         (count_register_operand): Delete.
972         (altivec_register_operand): Delete.
973         (xer_operand): Delete.
974         (s8bit_cint_operand): Delete.
975         (short_cint_operand): Delete.
976         (u_short_cint_operand): Delete.
977         (non_short_cint_operand): Delete.
978         (exact_log2_cint_operand): Delete.
979         (gpc_reg_operand): Delete.
980         (cc_reg_operand): Delete.
981         (cc_reg_not_cr0_operand): Delete.
982         (reg_or_short_operand): Delete.
983         (reg_or_neg_short_operand): Delete.
984         (reg_or_aligned_short_operand): Delete.
985         (reg_or_u_short_operand): Delete.
986         (reg_or_cint_operand): Delete.
987         (reg_or_arith_cint_operand): Delete.
988         (reg_or_add_cint64_operand): Delete.
989         (reg_or_sub_cint64_operand): Delete.
990         (reg_or_logical_cint_operand): Delete.
991         (got_operand): Delete.
992         (got_no_const_operand): Delete.
993         (easy_fp_constant): Delete.
994         (easy_vector_constant): Delete.
995         (easy_vector_constant_add_self): Delete.
996         (zero_constant): Delete.
997         (zero_fp_constant): Delete.
998         (volatile_mem_operand): Delete.
999         (offsettable_mem_operand): Delete.
1000         (mem_or_easy_const_operand): Delete.
1001         (add_operand): Delete.
1002         (non_add_cint_operand): Delete.
1003         (logical_operand): Delete.
1004         (non_logical_cint_operand): Delete.
1005         (mask_operand): Delete.
1006         (mask_operand_wrap): Delete.
1007         (mask64_operand): Delete.
1008         (mask64_2_operand): Delete.
1009         (and64_operand): Delete.
1010         (and64_2_operand): Delete.
1011         (and_operand): Delete.
1012         (reg_or_mem_operand): Delete.
1013         (lwa_operand): Delete.
1014         (symbol_ref_operand): Delete.
1015         (call_operand): Delete.
1016         (current_file_function_operand): Delete.
1017         (input_operand): Delete.
1018         (rs6000_nonimmediate_operand): Delete.
1019         (rs6000_tls_symbol_ref): Delete.
1020         (save_world_operation): Delete.
1021         (restore_world_operation): Delete.
1022         (load_multiple_operation): Delete.
1023         (store_multiple_operation): Delete.
1024         (vrsave_operation): Delete.
1025         (mfcr_operation): Delete.
1026         (mtcrf_operation): Delete.
1027         (lmw_operation): Delete.
1028         (stmw_operation): Delete.
1029         (branch_comparison_operator): Delete.
1030         (branch_positive_comparison_operator): Delete.
1031         (scc_comparison_operator): Delete.
1032         (trap_comparison_operator): Delete.
1033         (boolean_operator): Delete.
1034         (boolean_or_operator): Delete.
1035         (min_max_operator): Delete.
1036         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1037         (EASY_VECTOR_15): Moved to here.
1038         (EASY_VECTOR_15_ADD_SELF): Move to here.
1039         (PREDICATE_CODES): Delete.
1040         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1041         Declare functions no longer static.
1042         * config/rs6000/predicates.md: New.
1043         * config/rs6000/rs6000.md: Include predicates.md
1045 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1047         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1048         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1049         REG_ALWAYS_RETURN.
1050         * cfgrtl.c (need_fake_edge_p): Likewise.
1051         * combine.c (distribute_notes): Likewise.
1052         * emit-rtl.c (try_split): Likewise.
1053         * recog.c (peephole2_opimize): Likewise.
1054         * reg-notes.def (ALWAYS_RETURN): Remove.
1055         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1056         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1057         * tree.h (ECF_ALWAYS_RETURN): Remove.
1059 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1061         PR middle-end/19874
1062         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1063         between different machine modes is never a "useless" conversion.
1065 2005-02-28  Geert Bosch  <bosch@gnat.com>
1067         PR ada/15977
1068         * doc/contrib.texi: List contributors for Ada front end
1070 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1072         * simplify-rtx.c (simplify_unary_operation_1,
1073         simplify_const_unary_operation): New, extracted from...
1074         (simplify_unary_operation): ... this one.
1075         (simplify_binary_operation_1,
1076         simplify_const_binary_operation): New, extracted from...
1077         (simplify_binary_operation): ... this one.
1078         * rtl.h (simplify_const_unary_operation,
1079         simplify_const_binary_operation): Add prototypes.
1081 2005-02-28  Julian Brown  <julian@codesourcery.com>
1083         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1084         building libjava and caused PR regression/20228.
1086 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1088         PR bootstrap/17383
1089         * Makefile.in (host_subdir): New.
1090         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1091         * configure: Regenerate.
1093 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1095         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1096         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1097         installation directory first.
1099 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1101         PR target/19065.
1102         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1103         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1104         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1105         * config/cris/cris.md: Tweak comments referring to Q.
1106         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1107         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1108         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1109         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1110         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1111         Insert spaces in constraints to align alternatives vertically for
1112         readability.
1113         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1114         operand 1: "M".
1116 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1118         PR rtl-optimization/17728
1119         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1120         operand 0 from general_operand to move_dest_operand.
1122 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1124         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1125         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1126         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1127         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1129 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1131         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1132         * configure: Regenerate.
1133         * libada-mk.in: Remove CC; rename
1134         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1136 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1138         PR tree-opt/20188
1139         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1140         for the lhs, also walk over the tree.  Likewise for rhs.
1142 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1144         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1145         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1146         Do not propagate value of iv before increment over the increment.
1148 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1150         * c-parser.c: New file.
1151         * c-parse.in: Remove.
1152         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1153         Remove.
1154         (c-parser.o): Add dependencies.
1155         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1156         maintainer-clean, TAGS): Update.
1157         * c-config-lang.in (gtfiles): Update.
1158         * gengtype-lex.l: Don't handle "@@".
1159         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1160         objc_build_synchronized, objc_begin_try_stmt,
1161         objc_begin_catch_clause, objc_finish_catch_clause,
1162         objc_build_finally_clause, objc_finish_try_stmt): New.
1163         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1164         type_seen_p.
1165         (c_parse_init): Update comment.
1166         * c-decl.c (c_init_decl_processing): Update comment.
1167         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1168         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1169         new c_declspecs members.
1171 2005-02-25  Julian Brown  <julian@codesourcery.com>
1173         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1174         from being used for symbols with vague linkage when
1175         HAVE_GAS_COMDAT_GROUP is true.
1177 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1179         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1181 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1183         PR target/19930
1184         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1185         (LIBGCC2_HAS_DF_MODE): New.
1186         (LIBGCC2_HAS_XF_MODE): New.
1187         (LIBGCC2_HAS_TF_MODE): New.
1188         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1189         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1190         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1191         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1192         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1193         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1194         and add _fixtfdi, _fixunstfdi, _floatditf
1195         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1196         L_fixunstfdi, L_floatditf.
1197         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1198         (LIBGCC2_HAS_TF_MODE): Define.
1200 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1202         PR tree-optimization/20204
1203         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1204         REWRITE_THIS_STMT markers on PHI nodes.
1205         (rewrite_initialize_block): Likewise.
1207 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1209         * version.c (version_string): Update to 4.1.
1211 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1213         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1214         Clarify that the alternative way doesn't work in GNU C++.
1216 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1218         PR tree-optimization/19937
1219         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1220         to the type of the induction variable.
1222 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1224         PR rtl-optimization/20117
1225         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1226         the block including noncopyable insn.
1228 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1230         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1231         calls to find_reg_note.
1233 2005-02-24  Richard Henderson  <rth@redhat.com>
1235         PR tree-opt/20127
1236         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1237         the type.
1239 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1241         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1242         vector types if to use base reg for misaligned non-word ld/std.
1244 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1246         PR target/14619
1247         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1248         dwarf2 label manually and put it after, not before the prologue.
1250 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1252         PR target/19019
1253         * reload.c (operands_match_p): Only increment register number for
1254         SCALAR_INT_MODE_P modes in multiple hard registers.
1256         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1257         Fix formatting.
1259 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1261         * ChangeLog.5: Fix log message typo(s).
1262         * ChangeLog.7: Likewise.
1263         * ChangeLog.tree-ssa: Likewise.
1264         * cfgexpand.c: Fix comment typo(s).
1265         * conflict.c: Likewise.
1266         * defaults.h: Likewise.
1267         * dwarf2out.c: Likewise.
1268         * gcse.c: Likewise.
1269         * ggc-page.c: Likewise.
1270         * tree-eh.c: Likewise.
1271         * tree-ssa-dom.c: Likewise.
1273 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
1275         PR target/19019
1276         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1277         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1278         if SHARED is defined.
1280         PR target/20196
1281         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1282         allow splitting only if operands 0 and 3 don't overlap.
1284 2005-02-24  Richard Henderson  <rth@redhat.com>
1286         PR middle-end/19953
1287         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1288         (fold_builtin_1): Call them.
1289         * fold-const.c (fold_complex_mult_parts): Split out from ...
1290         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
1291         (fold_complex_div_parts, fold_complex_div): New.
1292         (fold): Use them.
1293         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1295 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1297         * tree-ssa-ccp.c (visit_assignment): Verify that result of
1298         VIEW_CONVERT_EXPR is_gimple_min_invariant.
1300         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1301         (print_node): Likewise.
1302         Print TYPE_SIZES_GIMPLIFIED.
1304 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1306         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1307         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1308         operands as commutative in constraints.
1310 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1312         * tree-into-ssa.c: Re-organize internal functions.
1314 2005-02-24  Richard Henderson  <rth@redhat.com>
1316         PR middle-end/18902
1317         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1318         for c99.
1319         * common.opt (fcx-limited-range): New.
1320         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1321         * toplev.c (flag_complex_method): Initialize to 1.
1322         (process_options): Set flag_complex_method to 0 if
1323         flag_cx_limited_range.
1324         * doc/invoke.texi (-fcx-limited-range): New.
1326 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1328         * cse.c (delete_trivially_dead_insns): Speed up by using
1329         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1330         prev_real_insn.
1332 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1334         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1335         functions when -mid-shared-library is being used.
1337 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1339         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1340         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1341         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1342         * system.h: Poison LINK_LIBGCC_SPECIAL.
1344 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1346         * gengtype.c (note_insn_name): Make 1 element larger.
1348 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1350         PR target/20018
1351         PR rtl-optimization/20097
1352         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1353         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1355 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1357         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1358         * t-aix52 (SHLIB_INSTALL): Same.
1360 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1362         * genpreds.c: Update copyright.
1364 2005-02-23  Michael Beach  <michaelb@ieee.org>
1366         PR target/20159
1367         * config/sparc/t-elf (startup files): Assemble with CPP.
1369 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1371         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1372         (write_predicate_expr): Likewise.
1374 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1376         PR tree-optimization/20100
1377         PR tree-optimization/20115
1378         * tree-optimize.c (init_tree_optimization_passes): Remove
1379         pass_maybe_create_global_var.
1380         * tree-pass.h (pass_maybe_create_global_var): Remove.
1381         * tree-ssa-alias.c (aliases_computed_p): Declare.
1382         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1383         (count_calls_and_maybe_create_global_var): Remove.
1384         (pass_maybe_create_global_var): Remove.
1385         (init_alias_info): Do not declare aliases_computed_p.
1386         (maybe_create_global_var): If the function contains no
1387         call-clobbered variables and a mix of pure/const and regular
1388         function calls, create .GLOBAL_VAR.
1389         Mark all call-clobbered variables for renaming.
1390         (merge_pointed_to_info): Update comment.
1391         (add_pointed_to_var): Likewise.
1392         (is_escape_site): Likewise.
1393         Accept struct alias_info * instead of size_t *.
1394         Update all users.
1395         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1396         as necessary.
1397         * tree-ssa-operands.c (get_call_expr_operands): If
1398         ALIASES_COMPUTED_P is false, do not add call-clobbering
1399         operands.
1400         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1401         (delete_tree_ssa): Likewise.
1403 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1405         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1406         (do_compile): Do call it here.
1408 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1410         PR rtl-optimization/20017.
1411         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1412         rest_of_handle_cse2, rest_of_handle_gcse): Call
1413         delete_dead_jumptables immediately before calling cleanup_cfg.
1415 2005-02-22  Devang Patel  <dpatel@apple.com>
1417         PR 19952
1418         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1419         all labels
1421 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1423         * config/rs6000/aix.h (WINT_TYPE): Define.
1425 2005-02-22  Stan Shebs  <shebs@apple.com>
1427         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1428         natural alignment for 64-bit Darwin.
1429         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1430         on 64-bit Darwin.
1431         * doc/invoke.texi: Document this.
1433 2005-02-22  DJ Delorie  <dj@redhat.com>
1435         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1436         to make_[un]signed_type, not the mode itself.
1438 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1440         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1441         not available.  Use tail calls wherever possible.
1442         (make_edge): Call unchecked_make_edge to create an edge.
1444         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1445         (coalesce_ssa_name): Don't check for
1446         SSANORM_USE_COALESCE_LIST.
1447         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1449 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1451         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1452         (rewrite_into_ssa): ... here.
1454 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1456         PR tree-optimization/19786
1457         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1458         tag to another's may-alias bitmap when adding to the other's list.
1460 2005-02-21  DJ Delorie  <dj@redhat.com>
1462         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1463         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1464         registers in unsupported ways.
1465         * expmed.c (init_expmed): Likewise.
1467 2005-02-21  Stan Cox  <scox@redhat.com>
1469         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1471 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1473         * tree-cfg.c (fold_cond_expr_cond): New.
1474         (make_edges): Call fold_cond_expr_cond.
1475         (find_taken_edge): Accept nothing but INTEGER_CST.
1476         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1477         and 1.
1478         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1480         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1481         that do not belong to any basic block.
1483 2005-02-21  Jeff Law  <law@redhat.com>
1485         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1486         e->dest.
1488 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1490         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1491         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1492         Adjust their definitions.
1493         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1494         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1496         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1497         genautomata.c, langhooks.c, langhooks.h, system.h,
1498         config/arm/lib1funcs.asm: Update copyright.
1500 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1502         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1504 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1506         PR bootstrap/13770
1507         * doc/install.texi: Document --with-gc.
1509 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1511         * simplify-rtx.c (simplify_unary_operation): Add a missing
1512         "break" statement.
1514 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1516         PR tree-optimization/18663
1517         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1518         if the type has variable bounds.
1520 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1522         * gcse.c: Remove an obsolete comment.
1524         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1526 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1528         * doc/extend.texi (Function Attributes) <Attribute const>: The
1529         attribute "pure" is below this text, not above.
1531 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1533         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1534         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1535         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1537 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1539         PR 18785
1540         * langhooks.h (struct lang_hooks): Add to_target_charset.
1541         * langhooks.c (lhd_to_target_charset): New function.
1542         * langhooks-def.h: Declare lhd_to_target_charset.
1543         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1544         (LANG_HOOKS_INITIALIZER): Update.
1545         * c-common.c (c_common_to_target_charset): New function.
1546         * c-common.h: Declare it.
1547         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1548         c_common_to_target_charset.
1550         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1551         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1552         Delete definitions.
1553         * system.h: Poison them.
1554         * doc/tm.texi: Don't discuss them.
1555         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1556         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1557         (pp_c_char): Do not attempt to generate letter escapes for
1558         newline, tab, etc.
1559         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1560         * config/mips/mips.c (mips_output_ascii): Likewise.
1562 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1564         PR tree-optimization/19951
1565         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1566         is abnormal.
1568 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1570         PR middle-end/19698
1571         * function.h (struct function): New field `max_loop_depth'.
1572         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1573         (flow_loops_find): Reset the max loop depth count before finding loops.
1574         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1575         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1576         (calculate_global_regs_live): Make sure the loop will terminate
1577         when the initial sets are not empty.
1579 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1581         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1582         object inside.
1583         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1585 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1587         PR other/19525
1588         * doc/invoke.texi: Remove documentation of %M spec.
1589         * gcc.c: Likewise.
1590         (init_spec): Remove %M suffix from -lgcc_s.
1591         (do_spec_1): Remove 'M' case.
1592         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1593         to put shared libraries in the multilib directory.  Remove the
1594         shlib_so_soname substitution variable.  Don't add a multilib encoding
1595         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1596         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1597         SHLIB_INSTALL as well as SHLIB_LINK.
1598         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1599         (SHLIB_NAME): Delete.
1600         (SHLIB_DIR): New macro.
1601         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1602         (SHLIB_INSTALL): Adjust accordingly.
1603         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1604         * config/t-slibgcc-sld: Likewise.
1605         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1606         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1607         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1608         in $(SHLIB_DIR).
1609         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1610         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1611         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1612         Use @shlib_base_name@ instead of @shlib_so_name@.
1613         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1614         and @shlib_base_name@.so in @multilib_dir@.
1615         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1616         to the install path.
1617         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1618         (SHLIB_LINK): Remove previous workaround.
1619         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1620         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1621         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1622         the install path.
1623         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1624         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1625         (SHLIB_INSTALL): Adjust accordingly.
1626         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1627         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1628         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1629         config/t-slibgcc-elf-ver.
1631 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1632             Jakub Jelinek  <jakub@redhat.com>
1634         PR tree-optimization/19828
1635         * tree-ssa-loop-im.c: Add a TODO comment.
1636         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1637         without side-effects.
1639 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1641         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1642         call fold_convert.
1644 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1646         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1647         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1648         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1649         functions.
1650         (ia64_reorg): Delete fixup_errata call.
1651         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1652         (TARGET_SWITCHES): Delete -mb-step entry.
1654 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1656         PR c/20043
1657         * c-typeck.c (composite_type): Handle quals in transparent unions.
1658         (type_lists_compatible_p): Likewise.
1660 2005-02-18  Stan Shebs  <shebs@apple.com>
1662         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1663         expressions in the .literal8 section.
1665 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1667         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1669 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1671         * fold-const.c (constant_boolean_node): Always create values of the
1672         specified type, don't bother calling truthvalue_conversion.
1674 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1676         * except.c (output_function_exception_table): Call
1677         assemble_external_libcall (eh_personality_libfunc).
1679 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1681         PR target/19886
1682         * config/ia64/ia64.h (struct machine_function): Add state_num.
1683         * config/ia64/ia64.c (process_epilogue,
1684         process_for_unwind_directive): Use new unwind state numbers each
1685         time rather than state 1.
1687 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1689         PR target/20054
1690         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1691         before the "*llgt_didi" pattern.
1693 2005-02-18  Jason Merrill  <jason@redhat.com>
1695         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1697 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1699         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1700         (div0): Use it in place of ARM_FUNC_ALIAS.
1701         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1703 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1705         PR middle-end/20030
1706         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1707         access, the lower bound of the array type if it exists.
1709 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1711         PR c++/20008
1712         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1713         cases that are out-of-range for the index type.
1715 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1717         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1718         (estimate_case_costs): Don't call convert.
1719         * expmed.c (expand_shift): Likewise.
1720         (make_tree): Call fold_convert instead of convert.
1722 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1724         PR c++/19813
1725         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1726         that ref to be marked MEM_READONLY_P doesn't have base that needs
1727         constructing.
1729 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1731         * genautomata.c (output_get_cpu_unit_code_func,
1732         output_cpu_unit_reservation_p): Don't generate old-style function
1733         definitions.
1735 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1737         PR c++/20023
1738         PR tree-optimization/20009
1739         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1741         PR tree-optimization/18947
1742         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1743         inline, remove all nodes that are inlined into the extern inline
1744         being redefined.
1746 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1748         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1749         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1750         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1751         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1752         Update copyright.
1754 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1756         PR tree-optimization/19917
1757         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1758         to be potentially trapping.
1760 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1762         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1764 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1766         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1767         tem becomes a local variable which is set to the value of the
1768         back end defined INITIAL_FRAME_ADDRESS macro.
1769         (expand_builtin_frame_address): Omit the base parameter to
1770         expand_builtin_return_addr.
1771         (expand_builtin_profile_func): Likewise.
1772         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1773         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1774         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1776 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1778         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1779         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1780         * config/frv/frv.c (frv_function_epilogue): Likewise.
1782 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1784         * lambda-code (perfect_nestify): Remove mark/unmark
1785         for rewriting hack.
1786         * tree-loop-linear.c (linear_transform_loops): Add
1787         rewrite_into_ssa call so that ssa is correct for
1788         rewriting into loop closed.
1790 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1792         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1793         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1794         BITMAP_FREE.
1795         * bt-load.c (btr_def_live_range, combine_btr_defs,
1796         migrate_btr_def, migrate_btr_defs): Likewise.
1797         * cfgcleanup.c (thread_jump): Likewise.
1798         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1799         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1800         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1801         df_rd_local_compute, df_reg_info_compute): Likewise.
1802         * dominance.c (init_dom_info, free_dom_info): Likewise.
1803         * flow.c (init_propagate_block_info,
1804         free_propagate_block_info): Likewise.
1805         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1806         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1807         modify_reg_pav): Likewise.
1808         * loop-invariant.c (find_defs, find_invariant_insn,
1809         find_invariants, free_inv_motion_data): Likewise.
1810         * predict.c (tree_predict_by_opcode,
1811         estimate_bb_frequencies): Likewise.
1812         * stmt.c (expand_case): Likewise.
1813         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1814         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1815         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1816         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1817         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1818         rewrite_ssa_into_ssa): Likewise.
1819         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1820         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1821         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1822         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1823         * tree-sra.c (tree_sra): Likewise.
1824         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1825         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1826         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1827         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1828         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1829         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1830         Likewise.
1831         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1832         calculate_live_on_entry, calculate_live_on_exit,
1833         build_tree_conflict_graph): Likewise.
1834         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1835         record_important_candidates, set_use_iv_cost, find_depends,
1836         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1837         tree_ssa_iv_optimize_finalize): Likewise.
1838         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1839         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1840         tree_duplicate_loop_to_header_edge): Likewise.
1841         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1842         * tree-ssa.c (verify_flow_insensitive_alias_info,
1843         verify_name_tags, verify_ssa, init_tree_ssa,
1844         delete_tree_ssa): Likewise.
1845         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1846         fini_ssanames): Likewise.
1847         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1849 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1851         * config/rs6000/t-rtems: Completely reworked.
1853 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1855         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1857 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1859         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1860         POINTER_TYPE_P when checking that type is a pointer.
1861         (vect_get_memtag): Remove.
1862         (vect_address_analysis): Use POINTER_TYPE_P. Call
1863         vect_object_analysis with dummy parameter for memtag.
1864         (vect_object_analysis): Extract memtag (functionality that
1865         used to be in vect_get_memtag and moved here). Fix printings.
1866         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1867         with correct parameters. Remove call to vect_get_memtag.
1869 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1871         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1872         (tree-vectorizer.o): Added missing dependencies.
1874         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1875         decleration.
1876         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1877         declaration in tree-vectorizer.c, now has an extern declaration in
1878         tree-vectorizer.h).
1879         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1880         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1881         get_vectype_for_scalar_type, vect_is_simple_use,
1882         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1883         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1884         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1885         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1886         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1887         find_loop_location): Likewise.
1889         * tree-vectorizer.c (langhooks.h): #include removed.
1890         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1891         moved to tree-vectorized.h.
1892         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1893         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1894         get_vectype_for_scalar_type, vect_is_simple_use,
1895         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1896         vect_supportable_dr_alignment, new_loop_vec_info,
1897         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1898         vect_set_verbosity_level, find_loop_location): Likewise.
1900         (vect_analyze_loop): Function externalized. Declaration moved to
1901         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1902         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1903         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1904         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1905         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1906         vect_enhance_data_refs_alignment, vect_analyze_operations,
1907         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1908         vect_stmt_relevant_p, vect_get_loop_niters,
1909         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1910         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1911         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1912         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1913         vect_get_memtag): Likewise.
1915         (vectorizable_load): Function externalized. Declaration moved to
1916         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1917         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1918         vect_transform_loop): Likewise.
1919         (vect_transform_stmt): Moved to tree-vect-transform.c.
1920         (vect_align_data_ref, vect_create_destination_var,
1921         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1922         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1923         vect_get_vec_def_for_operand, vect_init_vector,
1924         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1925         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1926         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1927         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1928         vect_do_peeling_for_loop_bound): Likewise.
1930         * tree-vect-analyze.c: New file.
1931         * tree-vect-transform.c: New file.
1933 2005-02-17  Jason Merrill  <jason@redhat.com>
1935         PR mudflap/19319, c++/19317
1936         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1937         slot explicit.
1939 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1941         * doc/install.texi (Specific): Update link for Darwin-specific
1942         tool binary site.
1944 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1946         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1947         constant_boolean_node.
1949 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1951         PR target/19019
1952         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1953         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1955 2005-02-16  Richard Henderson  <rth@redhat.com>
1957         PR 19920
1958         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1959         with W_TYPE_SIZE.
1960         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1961         replace uses with Wtype_MAXp1_F.
1962         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1963         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1964         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1965         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1966         and HAVE_TFMODE as appropriate.
1967         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1968         (__floatdisf): Likewise.
1969         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1970         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1971         (Wtype_MAXp1_F): New.
1972         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1973         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1975 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1977         * PR target/19162
1978         * arm.c (arm_apply_result_size): New function.
1979         * arm.h (APPLY_RESULT_SIZE): Define.
1980         * arm-protos.h (arm_apply_result_size): Add prototype.
1981         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1982         (movxf): New expand.
1983         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1984         (call_value_symbol): Remove predicate for operand 0.
1985         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1986         (untyped_call): Rework to correclty return values for any type.
1987         (untyped_return): New expand.
1988         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1990 2005-02-16  Stan Shebs  <shebs@apple.com>
1992         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1993         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1995 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1997         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1998         configure settings on Solaris 7 and later.
2000 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
2002         PR tree-optimization/19865
2003         * tree-optimize.c (init_tree_optimization_passes): Run
2004         pass_may_alias after pass_sra.
2006 2005-02-16  Richard Henderson  <rth@redhat.com>
2007             Stuart Hastings  <stuart@apple.com>
2009         PR debug/19521
2010         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
2011         Do nothing if debug info suppressed for this function.
2012         (dbxout_begin_function): Early exit if debug info suppressed for
2013         this function.
2015 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
2017         PR target/20007
2018         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
2019         find_basic_blocks.
2020         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2022         PR tree-optimization/19967
2023         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
2024         expand_builtin_strchr, expand_builtin_strrchr): Take a new
2025         argument TYPE.  Adjust calls to fold_builtin_XXX.
2026         (expand_builtin, fold_builtin_1): Adjust calls to
2027         expand_builtin_XXX.
2028         (fold_builtin_strchr, fold_builtin_strpbrk,
2029         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2030         result to a requested type TYPE.
2032 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2034         PR middle-end/19857
2035         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2036         (T)x & (T)cst if (T)cst overflows.
2037         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2038         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2040 2005-02-15  Jeff Law  <law@redhat.com>
2042         * gcse.c (blocks_with_calls): New bitmap.
2043         (alloc_gcse_mem): Allocate it.
2044         (free_gcse_mem): Free it.
2045         (clear_modifY_mem_tables): Clear it.
2046         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2047         when we encounter CALL_INSNs.
2048         (compute_transp, case MEM): Handle blocks with calls separate
2049         from blocks without calls.  Use bitmap iterators rather than
2050         FOR_EACH_BB.
2052 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2054         PR bootstrap/18810
2055         * mklibgcc.in (vis_hide): Use a temporary object file, not
2056         -o /dev/null.
2058 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2060         PR target/19924
2061         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2062         access optimization.
2064 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2065             Alan Modra  <amodra@bigpond.net.au>
2067         PR target/19019
2068         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2069         (_xlqsub): Rename to __gcc_qsub.
2070         (_xlqmul): Rename to __gcc_qmul.
2071         (_xlqdiv): Rename to __gcc_qdiv.
2072         Provide versioned symbol aliases with old names.
2073         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2074         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2075         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2076         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2077         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2079 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2081         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2082         Fold ~(A - 1) and ~(A + -1) to -A.
2084 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2086         PR pch/14940
2087         PR target/19300
2088         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2089         config/pa/pa-host.c:pa_gt_pch_use_address.
2091 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2093         * tree-vn.c (get_value_handle): Make sure that given an
2094         is_gimple_min_invariant expression, we always return it.
2096 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2098         * passes.c (rest_of_handle_gcse): Fix a comment.
2100 2005-02-15  Jeff Law  <law@redhat.com>
2102         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2103         bitmap.
2104         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2105         (canon_list_insert, record_last_mem_set_info): Similarly.
2106         (clear_modify_mem_tables): Similarly.
2108 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2110         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2111         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2112         config/mips/mips.md, config/rs6000/aix.h,
2113         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2115 2005-02-15  Richard Henderson  <rth@redhat.com>
2117         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2118         call to be best_edge.
2120 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2122         * basic-block.h: Adjust the prototype for find_basic_blocks.
2123         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2124         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2125         find_basic_blocks.
2127         * flow.c (recompute_reg_usage): Remove all arguments.
2128         * passes.c (rest_of_compilation): Adjust the call to
2129         recompute_reg_usage.
2130         * rtl.h: Adjust the prototype for recompute_reg_usage.
2132 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2134         * tree-dump.c (dump_files): Update to reflect new member
2135         of dump_file_info.
2136         (dump_register): Add new argument.
2137         Set glob name.
2138         (dump_switch_p_1): Check against glob name if doglob was passed.
2139         (dump_switch_p): Check against regular first, then glob if
2140         we didn't have any hits on the dump name.
2141         * tree-optimize.c (register_one_dump_file):
2142         Pass in glob name as well.
2143         * tree-pass.h (struct dump_file_info): Add glob
2144         member.
2146 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2148         PR preprocessor/16323
2149         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2151 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2153         PR target/19019
2154         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2155         (trunctfdf2_internal1): New.
2156         (trunctfdf2_internal2): Renamed from trunctfdf2.
2158 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2160         PR tree-optimization/19853
2161         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2163 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2165         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2166         delete_dead_jumptables and cleanup_cfg.
2168 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2170         * reload.c (find_reloads): Swap address_reloaded flags when
2171         swapping commutative operands.
2173 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2175         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2176         Use standard_iv_increment_position for computing the bsi position
2177         for create_iv.
2178         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2179         the bsi position.
2181 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2183         PR target/17428
2184         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2185         life range of hard registers.
2186         * value-prof.c (insn_prefetch_values_to_profile): Only
2187         scan normal insns.
2189         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2190         profile in libcalls.
2192 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2194         * bitmap.h (bitmap_and_compl_into): Return bool.
2195         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2197 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2199         PR tree-optimization/19944
2200         * fold-const.c (fold): Re-add ABS_EXPR folding.
2202 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2204         PR target/19019
2205         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2206         {TARGET,MASK}_XL_COMPAT.
2207         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2208         MASK_XL_COMPAT.
2209         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2210         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2211         TARGET_XL_COMPAT.
2212         (rs6000_arg_partial_bytes): Same.
2213         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2214         and XL compatibility enabled.
2215         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2216         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2217         test to final condition.
2218         (cmptf_internal2): New.
2219         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2220         xl-compat.  Add TFmode information to description.
2222 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2224         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2226 2005-02-13  Jason Merrill  <jason@redhat.com>
2228         PR c++/16405
2229         * fold-const.c (fold_indirect_ref_1): Split out from...
2230         (build_fold_indirect_ref): Here.
2231         (fold_indirect_ref): New fn.
2232         * tree.h: Declare it.
2233         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2234         (gimplify_modify_expr_rhs): Likewise.
2235         (gimplify_expr): Likewise.
2237 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2239         PR tree-optimization/14303
2240         PR tree-optimization/15784
2241         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2242         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2243         ABS_EXPR<x> != 0 to x != 0.
2245 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2247         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2248         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2249         spelling conventions.
2251         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2252         delete_trivially_dead_insns too many times.
2254         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2255         tem and tem2.
2257 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2259         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2260         (vect_is_simple_iv_evolution): Remove redundant parameter
2261         and step check.
2262         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2263         without last parameter.
2264         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2265         Return pointer step. Call vect_is_simple_iv_evolution without
2266         last parameter. Check only that the step is multiple of size
2267         type. Remove stmt_vinfo updates.
2268         (vect_get_memtag_and_dr): Remove.
2269         (vect_get_memtag): New function.
2270         (vect_address_analysis): New function.
2271         (vect_object_analysis): New function.
2272         (vect_analyze_data_refs): Call vect_object_analysis and
2273         vect_get_memtag. Update stmt_vinfo fields.
2275 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2277         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2278         exist and are objects. Remove checks for pointer.
2279         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2280         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2281         (vect_create_data_ref_ptr): Likewise.
2282         (vect_base_addr_differ_p): New function.
2283         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2284         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2285         Don't set the DR_BASE_NAME field of data-ref.
2286         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2288 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
2290         * optabs.h (enum optab_index): Add new OTI_ldexp.
2291         (ldexp_optab): Define corresponding macro.
2292         * optabs.c (init_optabs): Initialize ldexp_optab.
2293         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2294         patterns.
2295         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2296         using ldexp_optab.
2297         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2298         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2300         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2301         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2302         intrinsics.
2304 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2306         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2307         to base_address.
2308         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2309         stmt_vec_info.
2310         (vect_get_base_and_offset): Always return an address.
2311         (vect_create_addr_base_for_vector_ref): Remove treatment for
2312         different data reference types.
2313         (vect_compute_data_ref_alignment): Rename base to base_address in
2314         stmt_vec_info. Get the object in order to force its alignment.
2315         (vect_get_memtag_and_dr): Rename base to base_address in
2316         stmt_vec_info. Extract the object for memtag analysis.
2318 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2320         PR regression/19898.
2321         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2322         changes cc_status, use apply modified_in_p to part of cc_status
2323         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2324         body.
2326 2005-02-11  Richard Henderson  <rth@redhat.com>
2328         * tree-complex.c (expand_complex_libcall): New.
2329         (expand_complex_multiplication): Use it for c99 compliance.
2330         (expand_complex_division): Likewise.
2331         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2332         (fold): Call them.
2333         * builtins.c (built_in_names): Remove const.
2334         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2335         builtins.
2336         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2337         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2338         (built_in_names): Remove const.
2339         * c-common.c (c_common_type_for_mode): Handle complex modes.
2340         * flags.h, toplev.c (flag_complex_method): Rename from
2341         flag_complex_divide_method.
2342         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2343         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2344         * libgcc2.h: Declare them.
2345         * libgcc-std.ver: Export them.
2346         * mklibgcc.in (lib2funcs): Build them.
2348 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2350         PR tree-optimization/19876
2351         Partially revert my change from 2005-01-14
2352         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2353         (compute_antic): ...and remove the loop here.
2355 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2357         PR middle-end/19858
2358         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2359         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2361         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2362         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2364 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2366         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2367         offsets for the big-endian 32-bit case.
2369 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2371         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2373 2005-02-11  Dale Johannesen  <dalej@apple.com>
2375         * cselib.c (cselib_process_insn):  Clear out regs where
2376         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2377         * reload.c (find_equiv_reg): Ditto.
2379 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2381         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2382         with no elements.
2384         * tree.c (build_function_type_list): Work correctly if there are
2385         no arguments.
2387 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2389         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2390         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2391         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2392         TARGET_ZARCH instead of TARGET_64BIT.
2394 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2396         * config/rs6000/t-rtems:
2397         (MULTILIB_OPTIONS): Remove mcpu=602.
2398         (MUTLILIB_DIRNAMES): Remove m602.
2399         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2400         Let mcpu=602 match mcpu=603.
2401         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2403 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2405         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2406         signal trampolines.
2408 2005-02-10  David Daney  <ddaney@avtrex.com>
2410         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2411         * config/i386/linux-unwind.h: Likewise.
2412         * config/ia64/linux-unwind.h: Likewise.
2413         * config/mips/linux-unwind.h: Likewise.
2414         * config/pa/linux-unwind.h: Likewise.
2415         * config/rs6000/linux-unwind.h: Likewise.
2416         * config/s390/linux-unwind.h: Likewise.
2417         * config/sh/linux-unwind.h: Likewise.
2418         * config/sparc/linux-unwind.h: Likewise.
2420 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2422         PR tree-optimization/17549
2423         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2424         TER to replace a DEF with its expression if the DEF and the
2425         rhs of the expression we replace into have the same root
2426         variable.
2428 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2430         * config/mips/mips.md: Fix the placement of the match_scratch in the
2431         lea64 peephole2.
2433 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2435         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2436         Fix comment typos.
2438 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2440         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2441         (strip_offset): Handle addresses.
2442         (add_address_candidates): Use strip_offset.
2443         (difference_cost): Reflect strip_offset change.
2444         (force_var_cost, difference_cost): Strip nops.
2446 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2448         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2450         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2451         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2452         config/cris/cris-protos.h, config/cris/cris.c: Update
2453         copyright.
2455 2005-02-10  Jeff Law  <law@redhat.com>
2457         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2458         (lookup_avail_expr): Similarly.
2460 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2462         * builtins.c (fold_builtin_powi): New function.
2463         (fold_builtin_1): Call it.
2465 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2467         PR documentation/19309
2468         * doc/cpp.texi: The __GNUC__ and related predefined macros
2469         are also defined for the "standalone" cpp.
2470         Some non-GCC compilers may also define __GNUC__.
2472 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2474         PR c/19342
2475         * c-typeck.c (common_type): New routine.  Old common_type renamed
2476         to...
2477         (c_common_type): ...this.
2478         (build_conditional_expr, build_binary_op): Use c_common_type instead
2479         of common_type.
2481 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2483         * doc/md.texi: Replace @samp{length} with @code{length}.
2485 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2487         PR tree-optimization/18687
2488         * tree-flow.h (find_loop_niter): Declare.
2489         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2490         Try using scev even for loops with more than one exit.
2491         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2492         (struct ivopts_data): Added niters field.
2493         (struct nfe_cache_elt): New.
2494         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2495         functions.
2496         (tree_ssa_iv_optimize_init): Initialize niters cache.
2497         (determine_number_of_iterations): Removed.
2498         (find_induction_variables): Do not call determine_number_of_iterations.
2499         Access niters for single exit through niter_for_single_dom_exit.
2500         (add_iv_outer_candidates): Access niters for single exit through
2501         niter_for_single_dom_exit.
2502         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2503         number_of_iterations_cond.
2504         (iv_period): New function.
2505         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2506         (may_replace_final_value): Take data argument.  Use
2507         niter_for_single_dom_exit.
2508         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2509         (rewrite_use_compare): Pass data to may_eliminate_iv.
2510         (rewrite_use_outer): Pass data to may_replace_final_value.
2511         (free_loop_data): Clean up the niters cache.
2512         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2513         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2514         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2515         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2516         (num_ending_zeros): Moved to tree.c.
2517         * tree.h (num_ending_zeros): Declare.
2518         * tree.c (num_ending_zeros): Moved from tree.c.
2520 2005-02-09  Richard Henderson  <rth@redhat.com>
2522         * builtins.c (DEF_BUILTIN): Add COND argument.
2523         * tree.h (DEF_BUILTIN): Likewise.
2524         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2525         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2526         match.
2527         (DEF_BUILTIN_STUB): New.
2528         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2529         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2530         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2531         * c-common.c (DEF_BUILTIN): Add COND argument.
2532         * tree.c (local_define_builtin): New.
2533         (build_common_builtin_nodes): New.
2535 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2537         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2538         floating point expression ignoring the sign of the result.
2539         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2540         (fold) <MULT_EXPR>: Use it to simplify x*x.
2541         * tree.h (fold_strip_sign_ops): Prototype here.
2542         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2543         argument.  Use fold_strip_sign_ops to simplify the first argument.
2544         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2545         first argument when the second argument is an even integer
2546         constant, but only with -funsafe_math_optimizations.
2547         (fold_builtin_1): Update call to fold_builtin_copysign.
2549 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2551         PR middle-end/19583
2552         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2553         just check whether EH_FILTER_FAILURE falls through.
2555 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2557         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2558         insns return to ready list in the next turn.
2560 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2562         PR middle-end/19402
2563         * builtins.def: New __builtin_powi[lf].
2564         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2565         (expand_builtin_powi): New function.
2566         (expand_builtin): Dispatch to expand_builtin_powi.
2567         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2568         * libgcc2.c: Add __builtin_powi[lf] implementation.
2569         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2570         * optabs.h: Add powi_optab.
2571         * optabs.c (init_optabs): Initialize powi_optab.
2572         * doc/extend.texi: Document __builtin_powi[lf].
2574 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2576         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2577         exists.
2579 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2581         PR middle-end/19854
2582         * fold-const.c (try_move_mult_to_index): Remove redundant
2583         type argument.  Create ADDR_EXPR with correct type.
2584         (fold): Update callers of try_move_mult_to_index.  Convert
2585         result to the appropriate type.
2587 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2589         PR target/19597
2590         * config/avr/avr.c (default_rtx_costs): Delete.
2591         (avr_operand_rtx_cost): New function.
2592         (avr_rtx_costs): Completely rewrite.
2594 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2596         PR target/19806
2597         * config/cris/cris.c (in_code): New variable.
2598         (cris_output_addr_const): Now a static function, a wrapper for
2599         output_addr_const.
2600         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2601         case from old cris_output_addr_const.
2602         (cris_asm_output_label_ref): Similar for LABEL_REF.
2603         (cris_output_addr_const_extra): Similar for UNSPEC.
2604         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2605         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2606         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2607         declaration.
2608         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2609         (cris_asm_output_label_ref): Declare.
2611 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2613         PR preprocessor/19801
2614         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2615         filenames that changed when libcpp was moved to the toplevel.
2617 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2619         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2620         zero extensions of BImode operands.  Call lowpart_subreg instead
2621         of gen_lowpart_common and gen_lowpart_SUBREG.
2623 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2625         PR ada/19489
2626         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2627         * configure.ac: Set cc_for_cross_gnattools.
2628         * configure: Regenerate.
2630 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2632         PR target/19803
2633         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2635 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2637         PR debug/19327
2638         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2639         of nested functions.
2641 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2643         * doc/extend.texi: Document deprecated extensions allowing
2644         static floating-point members to have initializers and allowing
2645         floating-point literals in integral constant expressions.
2647 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2649         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2650         config/darwin7.h, config/mips/mips.c,
2651         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2652         Update copyright.
2654         * cse.c: Update comments.
2656 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2658         PR middle-end/19775
2659         * builtins.c (fold_builtin_sqrt): Transform
2660         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2661         pow(x,y*0.5).
2663 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2664             Dorit Naishlos  <dorit@il.ibm.com>
2666         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2667         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2668         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2669         was added.
2670         * tree.h (vect_set_verbosity_level): New extern function declaration
2671         added.
2672         * tree-vectorizer.h (verbosity_levels): New enum type.
2673         * tree-vectorizer.c (vect_debug_stats): Function removed.
2674         (vect_debug_details): Likewise.
2675         (vect_verbosity_level): Global variable was defined and initialized.
2676         (vect_dump): Global variable definition.
2677         (vect_print_dump_info): New function.
2678         (vect_set_dump_settings): New function.
2679         (vect_set_verbosity_level): New function.
2680         (vectorize_loops): Add call to vect_set_dump_settings.
2682         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2683         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2684         (slpeel_tree_peel_loop_to_edge): Likewise.
2686         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2687         appropriate verbosity level instead of call to vect_debug_details
2688         or vect_debug_stats.
2689         (vect_get_base_and_offset):
2690         (vect_create_addr_base_for_vector_ref):
2691         (get_vectype_for_scalar_type):
2692         (vect_create_data_ref_ptr):
2693         (vect_init_vector):
2694         (vect_get_vec_def_for_operand):
2695         (vect_finish_stmt_generation):
2696         (vectorizable_assignment):
2697         (vectorizable_operation):
2698         (vectorizable_store):
2699         (vectorizable_load):
2700         (vect_transform_stmt):
2701         (vect_update_ivs_after_vectorizer):
2702         (vect_do_peeling_for_loop_bound):
2703         (vect_update_inits_of_drs):
2704         (vect_do_peeling_for_alignment):
2705         (vect_transform_loop):
2706         (vect_is_simple_use):
2707         (vect_analyze_operations):
2708         (vect_is_simple_iv_evolution):
2709         (vect_analyze_scalar_cycles):
2710         (vect_analyze_data_ref_dependence):
2711         (vect_analyze_data_ref_dependences):
2712         (vect_compute_data_ref_alignment):
2713         (vect_enhance_data_refs_alignment):
2714         (vect_analyze_data_refs_alignment):
2715         (vect_analyze_data_ref_access):
2716         (vect_analyze_data_ref_accesses):
2717         (vect_analyze_pointer_ref_access):
2718         (vect_get_memtag_and_dr):
2719         (vect_analyze_data_refs):
2720         (vect_mark_relevant):
2721         (vect_stmt_relevant_p):
2722         (vect_mark_stmts_to_be_vectorized):
2723         (vect_can_advance_ivs_p):
2724         (vect_get_loop_niters):
2725         (vect_analyze_loop_form):
2726         (vect_analyze_loop):
2727         (vectorize_loops): Likewise.
2729         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2730         (vect_update_inits_of_drs):
2731         (vect_do_peeling_for_alignment):
2732         (vect_transform_loop):
2733         (vect_analyze_operations):
2734         (vect_analyze_scalar_cycles):
2735         (vect_analyze_data_ref_dependences):
2736         (vect_analyze_data_refs_alignment):
2737         (vect_analyze_data_ref_accesses):
2738         (vect_analyze_data_refs):
2739         (vect_mark_stmts_to_be_vectorized):
2740         (vect_get_loop_niters):
2741         (vect_analyze_loop_form):
2742         (vect_analyze_loop): Likewise.
2743         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2745 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2747         PR bootstrap/19796
2748         Revert:
2749         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2750         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2751         either -ffast-math or -funsafe-math-optimizations is in use.
2753         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2754         * config/mips/irix-csr.c: New file.
2755         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2756         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2757         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2758         executables.
2760 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2762         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2763         redundant, incorrect definitions.
2765         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2766         expand.
2767         ("*tls_indirect_call"): New, reference hard regs directly.
2768         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2770 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2772         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2773         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2775 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2777         PR rtl-optimization/19800
2778         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2779         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2780         gen_lowpart.
2782 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2784         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2786 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2788         PR other/17135
2789         * doc/invoke.texi: Correct documentation of -freorder-functions.
2791 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2793         PR other/14402
2794         * doc/invoke.texi: Don't mention gccbug.
2796 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2797             Andrew Pinski  <pinskia@physics.uc.edu>
2798             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2800         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2801         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2802         into just (zero_extract:SI FOO (const_int 1) BAR).
2804 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2806         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2807         macro locally.  Don't give last revision date.  Use GCC version
2808         number from gcc-common.texi.
2809         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2810         revision date.  Use GCC version number from gcc-common.texi.
2811         Describe being a library as current state rather than as 3.x
2812         history.
2813         * doc/gcc.texi: Remove last update date.
2814         * doc/gccint.texi: Likewise.  Update copyright dates.
2815         * doc/install.texi: Update copyright dates.
2817 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2819         PR other/7549
2820         * doc/invoke.texi: Mention for each option included in -Wall that
2821         it is included in -Wall.
2822         * doc/gcc.texi: Update copyright and last modification date.
2824 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2826         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2827         unnecessary cast to original induction variable increments.
2829 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2831         PR tree-optimization/18219
2832         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2833         in distributed form.
2835 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2837         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2838         Set bitpos and offset later in the function.  Do nothing if the
2839         target is a register and if the bitfield lies completely outside
2840         that register.
2841         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2842         here.  Return an uninitialised register if the source value is stored
2843         in a register and the bitfield lies completely outside that register.
2845 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2847         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2848         not SET_DEST.
2850 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2852         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2854 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2856         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2857         * config/darwin8.h: New.
2858         * config/darwin7.h: Update comment.
2860 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2861             Dorit Naishlos  <dorit@il.ibm.com>
2863         * tree-vectorizer.h (LOC): New type.
2864         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2865         (loop_line_number): New field in struct _loop_vec_info.
2866         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2868         * tree-vectorizer.c (input.h): Included.
2869         (find_loop_location): New function.
2870         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2871         loop line number removed.
2872         (vect_debug_details): Likewise.
2873         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2875         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2876         call to vect_debug_details/stats changed from loop to loop_loc.
2877         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2878         (slpeel_tree_peel_loop_to_edge): Likewise.
2880         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2881         changed from NULL to UNKNOWN_LOC.
2882         (vect_get_base_and_offset):
2883         (vect_create_addr_base_for_vector_ref):
2884         (get_vectype_for_scalar_type):
2885         (vect_create_data_ref_ptr):
2886         (vect_init_vector):
2887         (vect_get_vec_def_for_operand):
2888         (vect_finish_stmt_generation):
2889         (vectorizable_assignment):
2890         (vectorizable_operation):
2891         (vectorizable_store):
2892         (vectorizable_load):
2893         (vect_transform_stmt):
2894         (vect_update_ivs_after_vectorizer):
2895         (vect_do_peeling_for_loop_bound):
2896         (vect_do_peeling_for_alignment):
2897         (vect_transform_loop):
2898         (vect_is_simple_use):
2899         (vect_analyze_operations):
2900         (vect_is_simple_iv_evolution):
2901         (vect_analyze_scalar_cycles):
2902         (vect_analyze_data_ref_dependences):
2903         (vect_compute_data_ref_alignment):
2904         (vect_enhance_data_refs_alignment):
2905         (vect_analyze_data_ref_access):
2906         (vect_analyze_data_ref_accesses):
2907         (vect_analyze_pointer_ref_access):
2908         (vect_get_memtag_and_dr):
2909         (vect_analyze_data_refs):
2910         (vect_mark_relevant):
2911         (vect_stmt_relevant_p):
2912         (vect_mark_stmts_to_be_vectorized):
2913         (vect_can_advance_ivs_p):
2914         (vect_get_loop_niters):
2915         (vect_analyze_loop):
2916         (vectorize_loops): Likewise.
2918         (vectorizable_load): Argument in call to vect_debug_details/stats
2919         changed from loop to LOOP_LOC (loop_vinfo).
2920         (vect_transform_loop):
2921         (vect_analyze_operations):
2922         (vect_analyze_scalar_cycles):
2923         (vect_analyze_data_ref_dependence):
2924         (vect_enhance_data_refs_alignment):
2925         (vect_analyze_data_ref_accesses):
2926         (vect_analyze_pointer_ref_access):
2927         (vect_analyze_data_refs):
2928         (vect_analyze_loop): Likewise.
2930         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2931         changed from loop to loop_loc.
2933         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2935 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2936             Dorit Naishlos  <dorit@il.ibm.com>
2938         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2939         declaration added.
2940         (vect_analyze_data_ref_dependences): Likewise.
2942         (vect_is_simple_use): Argument changed from loop structure to
2943         loop_vect_info structure.
2944         (vect_can_advance_ivs_p): Likewise.
2945         (vect_create_index_for_vector_ref): Likewise.
2946         (vect_update_ivs_after_vectorizer): Likewise.
2947         (new_stmt_vec_info): Likewise.
2949         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2950         changed from loop to loop_vinfo.
2951         (vect_create_data_ref_ptr): First argument in call to
2952         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2953         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2954         was changed from loop to loop_vinfo.
2955         (vectorizable_operation): Likewise.
2956         (vectorizable_store): Likewise.
2957         (vect_mark_stmts_to_be_vectorized): Likewise.
2958         (vect_do_peeling_for_loop_bound): First argument in call to
2959         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2960         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2961         was changed from loop to loop_vinfo.
2962         (vect_analyze_data_ref_dependences): Third argument in call to
2963         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2965         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2966         (vect_create_data_ref_ptr): Likewise.
2967         (vect_init_vector): Likewise.
2968         (vect_get_vec_def_for_operand): Likewise.
2969         (vectorizable_assignment): Likewise.
2970         (vectorizable_operation): Likewise.
2971         (vectorizable_store): Likewise.
2972         (vectorizable_load): Likewise.
2973         (vect_update_ivs_after_vectorizer): Likewise.
2974         (vect_is_simple_use): Likewise.
2975         (vect_analyze_data_ref_dependence): Likewise.
2976         (vect_analyze_pointer_ref_access): Likewise.
2977         (vect_can_advance_ivs_p): Likewise.
2979         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2980         before _stmt_vec_info.
2981         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2982         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2983         (new_stmt_vec_info): Argument changed from loop structure to
2984         loop_vect_info structure
2986         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2987         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2988         (vect_create_addr_base_for_vector_ref): Likewise.
2989         (vect_analyze_pointer_ref_access): Likewise.
2991 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2993         PR tree-opt/19768
2994         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2995         phi flag if the phi is abnormal.
2997 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2999         PR tree-opt/19736
3000         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
3001         information for the new statement.
3003 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3005         PR driver/19117
3006         * gcc.c (main): Include the target in -v output.
3008 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
3010         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
3011         Do not drop the extend if we'd have to add a paradoxical subreg
3012         later.  Include optabs.h and insn-codes.h.
3013         * Makefile.in (combine.o): Depend on $(OPTABS_H).
3015 2005-02-02  Roger Sayle  <roger@eyesopen.com>
3017         PR middle-end/19405
3018         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
3019         * fold-const.c (const_binop): Avoid constant folding floating
3020         point operations in modes that use composite representations.
3021         * simplify-rtx.c (simplify_binary_operation): Likewise.
3023 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
3025         * config/rs6000/altivec.md (altivec_dst): Make the first operand
3026         a REG, not a MEM.
3027         (altivec_dstt): Likewise.
3028         (altivec_dstst): Likewise.
3029         (altivec_dststt): Likewise.
3030         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3031         of first operand.
3033 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3035         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3036         EXPR_LOCUS from orig_cond to the new cond_stmt.
3037         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3038         the new vec_stmt.
3040 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3042         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3043         standard_iv_increment_position. Remove call to bsi_next
3044         (no need to bump the iterator anymore).
3045         (vect_create_index_for_vector_ref): Call
3046         standard_iv_increment_position. Remove second function argument.
3047         (vect_finish_stmt_generation): Remove call to bsi_next
3048         (no need to bump the iterator anymore).
3049         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3050         to vect_create_index_for_vector_ref.
3052 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3054         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3055         phis are used out of the loop.
3057 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3059         PR c/17807
3060         * c-decl.c (undef_nested_function): New variable.
3061         (pop_scope): Diagnose undefined nested functions.
3062         (finish_function): Don't attempt cgraph processing or genericizing
3063         if current top-level function contained an undefined nested
3064         function.  Reset undef_nested_function at the end of a top-level
3065         function.
3067 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3069         * tree.c (build_int_cst_type): Take sign of the value into account
3070         when deciding whether sign extend the value.
3072 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3074         PR c/18502
3075         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3076         (cpp_options, cc1_options): Change %{std*&ansi} to
3077         %{std*&ansi&trigraphs}.
3079 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3081         * cse.c: Update comments.
3083 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3085         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3086         arguments go on the stack.  Do not put complex doubles in odd/even
3087         pairs.
3089 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3091         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3092         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3093         -ftree-pre, and -fthread-jumps.
3095 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3097         PR tree-optimization/19578
3098         * tree-flow.h (modified_noreturn_calls): Declare.
3099         (noreturn_call_p): Declare.
3100         * tree-flow-inline.h (noreturn_call_p): New function.
3101         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3102         * tree-cfg.c (modified_noreturn_calls): New variable.
3103         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3104         that contain a mid-block noreturn call.
3105         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3107 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3109         * df.c (df_def_record_1, df_uses_record): Don't use
3110         DF_FOR_REGALLOC.
3111         * df.h (DF_FOR_REGALLOC): Remove.
3113 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3115         PR c/19435
3116         * c-typeck.c (really_start_incremental_init): Reset
3117         constructor_max_index for arrays of incomplete type.
3119 2005-02-02  Jeff Law  <law@redhat.com>
3121         * gcse.c (struct reg_set): Store the block index where the register
3122         was set rather than the setting insn.
3123         (record_one_set, compute_transp): Corresponding changes.
3124         (pre_insert_copy_insn): Do not call replace_one_set.
3125         (replace_one_set): Remove.
3127 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3129         PR other/15514
3130         * doc/gcov.texi: Fix typo.
3132 2005-02-01  Richard Henderson  <rth@redhat.com
3134         PR target/19680
3135         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3136         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3137         type to bool.
3138         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3139         * config/i386/i386-protos.h: Update.
3141 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3143         PR tree-optimization/19217
3144         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3145         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3146         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3147         that it is walking a PHI node.
3149 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3151         * doc/extend.texi (Nested Functions): Update.
3153 2005-02-01  Richard Henderson  <rth@redhat.com>
3155         PR 19696
3156         * optabs.c (expand_copysign_absneg): Export.
3157         * optabs.h (expand_copysign_absneg): Declare.
3158         * config/rs6000/rs6000.md (copysigntf3): New.
3160 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3162         PR tree-optimization/19633
3163         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3164         * tree-ssa-alias.c (init_alias_info): Initialize.
3165         (merge_pointed_to_info): Set.
3166         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3167         (dump_points_to_info_for): Show value of pt_null.
3168         (struct count_ptr_d): Declare.
3169         (find_ptr_dereference): Remove.
3170         (ptr_is_dereferenced_by): Remove.
3171         (count_ptr_derefs): New local function.
3172         (count_uses_and_derefs): New local function.
3173         (compute_points_to_and_addr_escape): Call it.  If the number
3174         of dereferences is greater than zero, mark the pointer as
3175         dereferenced.  If there are fewer dereferences than uses of
3176         the pointer, the pointer's value escapes.
3178 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3180         PR tree-optimization/19670
3181         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3182         here...
3183         (verify_use): ... set it here, instead.
3185 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3187         * doc/sourcebuild.texi (Test directives): Fix formatting.
3189         * doc/sourcebuild.texi (Test directives): Describe selector
3190         expressions.
3192 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3194         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3195         specific 64-bit CPUs.
3197 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3199         PR target/16201
3200         * arm.c (arm_eliminable_register): New function.
3201         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3202         HOST_WIDE_INT for address offsets.
3203         * arm-protos.h (arm_eliminable_register): Add prototype.
3205 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3207         PR optimization/15242
3208         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3209         * basic-block.h (duplicate_computed_gotos): Add prototype.
3210         * bb-reorder.c (duplicate_computed_gotos): New function to
3211         duplicate sufficiently small blocks ending in a computed jump.
3212         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3213         if not optimizing for size.
3214         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3215         never do tail merging for blocks ending in a computed jump.
3216         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3218 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3220         Patch from Richard Sandiford <rsandifo@redhat.com>
3221         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3222         from inheriting a subreg equivalence with a non-spill register.
3224         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3226 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3228         * config/frv/frv.c (movcc_fp_destination_operand): New.
3229         (gpr_or_memory_operand): Fix typo in comment.
3230         (gpr_or_memory_operand_with_scratch): New.
3231         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3232         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3233         movcc_fp_destination_operand.
3234         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3235         Legitimize memory addresses using a scratch register.
3237 2005-01-31  Jeff Law  <law@redhat.com>
3239         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3240         bitmap a sparse bitmap instead of a simple bitmap.
3241         (mark_def_sites_initialize_block):  Corresponding changes.
3242         (ssa_mark_def_sites_initialize_block): Likewise.
3243         (ssa_mark_phi_uses): Likewise.
3244         (mark_def_site, ssa_mark_def_sites): Likewise.
3245         (mark_def_site_blocks): Likewise.
3246         (rewrite_ssa_into_ssa): Likewise.
3248         * tree-ssa-dom.c (record_cond): Pass correct variable type
3249         for last argument to htab_find_slot_with_hash.
3251         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3252         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3254 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3256         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3257         1_mmalua.
3259 2005-02-01  Eric Christopher  <echristo@redhat.com>
3261         * config/mips/mips.c (override_options): Warn if -mint64
3262         is used.
3263         * doc/invoke.texi (MIPS Options): Document that -mint64 is
3264         deprecated.
3266 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
3268         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
3269         timestamp.
3270         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3271         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3272         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3273         (cached_regno): Initialize to INVALID_REGNUM.
3274         (cse_reg_info_table_size,
3275         cse_reg_info_table_first_uninitialized,
3276         cse_reg_info_timestamp): New.
3277         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3278         get_cse_reg_info.
3279         (init_cse_reg_info, get_cse_reg_info_1): New.
3280         (get_cse_reg_info): Cache the last look-up.
3281         (new_basic_block): Update the code to clear mappings from
3282         registers to cse_reg_info entries.
3283         (cse_main): Call init_cse_reg_info.
3285         * cse.c (get_cse_reg_info): Update a comment.
3287 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3289         PR c/19333
3290         * c-decl.c (start_decl): Do not warn about arrays of elements with
3291         an incomplete type here.
3292         (grokdeclarator): Do it here by making a pedwarn an error.
3293         * c-typeck.c (push_init_level): If there were previous errors with
3294         the constructor type, do not warn about braces for initializers.
3295         (process_init_element): Likewise for excess initializer elements.
3297 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
3299         * cse.c (delete_trivially_dead_insn): Don't iterate.
3301 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
3303         * config/rs6000/rs6000.md (copysignsf3): New expand.
3304         (copysigndf3): Likewise.
3306 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3308         * recog.c (constrain_operands): Only look for earlyclobber operand
3309         conflicts if an '&' constraint was seen.
3311 2005-01-31  Marc Espie <espie@openbsd.org>
3313         * config.gcc: Don't include embedded systems fragment, switches default
3314         debugging format to ELF.
3315         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3316         longer pick it up there.
3318 2005-01-31  Dale Johannesen  <dalej@apple.com>
3320         * doc/extend.texi (nested functions): Fix linkage description.
3321         Clarify that static is not allowed.
3323 2005-01-31  Dale Johannesen  <dalej@apple.com>
3325         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3326         (movdf_low_di):  Make work.
3328 2005-01-31  Dale Johannesen  <dalej@apple.com>
3330         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3331         Make work for 64 bit.
3333 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3334             Dale Johannesen  <dalej@apple.com>
3336         PR middle-end/19650
3337         * fold-const.c (fold_binary_op_with_conditional_arg):
3338         Make types match original operands, before STRIP_NOPS.
3340 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3342         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3343         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3344         (struct gcc_sigcontext): Delete.  Merge contents to..
3345         (struct gcc_ucontext): ..here.
3346         (get_sigcontext): Delete.
3347         (get_regs): New function, like get_sigcontext but return regs ptr.
3348         64-bit version finds regs from r1 to support vdso.
3349         (ppc_linux_aux_vector): New function.
3350         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3351         and vector regs.
3353 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3355         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3356         sizetype.
3357         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3358         redundant fold. Fix misalignment for MINUS_EXPR.
3359         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3360         (vect_analyze_pointer_ref_access): Likewise.
3361         (vect_get_memtag_and_dr): Likewise.
3363 2005-01-31  Richard Henderson  <rth@redhat.com>
3365         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3366         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3367         absnegdf2_i387, absnegxf2_i387): Likewise.
3369 2005-01-31  Richard Henderson  <rth@redhat.com>
3371         PR 19696
3372         * optabs.c (expand_copysign_absneg): New.
3373         (expand_copysign_bit): Split out from ...
3374         (expand_copysign): ... here.  Use expand_copysign_absneg.
3376 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3378         PR middle-end/19697
3379         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3380         constant as the second operand and a register as the third.
3382 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3384         PR target/19704
3385         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3386         that dllimport'd functions do not use all call-clobbered registers
3387         to pass parameters.
3389 2005-01-30  Richard Henderson  <rth@redhat.com>
3391         PR 19696
3392         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3393         expand_abs_nojump and generalize.  Use operand_subword and
3394         emit_no_conflict_block.  Support large modes.
3395         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3396         back to maximum.
3397         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3398         negation to subtraction.
3399         (expand_copysign): Check that the format has signed zeros.
3400         Use operand_subword and emit_no_conflict_block.  Support large modes.
3402 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3404         Fix PR tree-optimization/19624
3406         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3407         * tree-ssa-pre.c: Add cfgloop.h.
3408         Update comment.
3409         (pre_stats): New member, constified.
3410         (inserted_exprs): New static variable.
3411         (NECESSARY): New macro.
3412         (create_expression_by_pieces): Fold the expression, and
3413         mark it as defaulting to not necessary. Also put in
3414         inserted_exprs.
3415         (fully_constant_expression): New function.
3416         (insert_into_preds_of_block): Modify to not insert phis when we
3417         are playing with induction variables.
3418         Push phis onto the inserted_exprs vector, and mark them as not
3419         necessary by default.
3420         (insert_aux): Call fully_constant_expression on eprime.
3421         If all edges produce the same value, mark it constant.
3422         (mark_operand_necessary): New function.
3423         (remove_dead_inserted_code): New function.
3424         (init_pre): Init loop optimizer to get loop info.
3425         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3426         (execute_pre): Commit edge inserts, then remove dead code.
3428 2005-01-30  Richard Henderson  <rth@redhat.com>
3430         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3431         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3433 2005-01-30  Richard Henderson  <rth@redhat.com>
3435         PR target/19700
3436         * config/i386/i386.c (ix86_expand_copysign): New.
3437         (ix86_split_copysign_const): New.
3438         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3439         rearrange op1/nmask operands.
3440         * config/i386/i386-protos.h: Update.
3441         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3442         (copysigndf3): Likewise.
3443         (copysignsf3_const, copysigndf3_const): New.
3444         (copysignsf3_var): Rename from copysignsf3, split out splitter
3445         and fix split predicate for X constraint.
3446         (copysigndf3_var): Similarly.
3448 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3450         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3451         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3452         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3454 2005-01-29  Richard Henderson  <rth@redhat.com>
3456         PR target/19690
3457         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3458         of # and * in constraints.
3460 2005-01-29  Richard Henderson  <rth@redhat.com>
3462         PR middle-end/19689
3463         * expr.c (store_field): Don't strip sub-mode cast when the input
3464         data is even smaller.
3466 2005-01-29  Richard Henderson  <rth@redhat.com>
3468         PR middle-end/19687
3469         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3470         union being empty.
3472 2005-01-29  Richard Henderson  <rth@redhat.com>
3474         * combine.c (make_field_assignment): Fix argument order
3475         to gen_int_mode.
3477 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3479         PR tree-optimization/15791
3480         * fold-const.c (extract_array_ref): New function.
3481         (fold): Fold comparisons between &a[i] and &a[j] or
3482         semantically equivalent trees.
3484 2005-01-29  Jeff Law  <law@redhat.com>
3486         * gcse.c (insert_expr_in_table): Revamp handling of available
3487         and anticipatable occurrence lists to avoid unnecessary list
3488         walking.
3489         (insert_set_in_table): Similarly.
3491 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3493         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3494         build string type.
3495         (c_build_qualified_type): Build qualified array types with
3496         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3497         * c-decl.c (c_make_fname_decl): Build unqualified array type
3498         before qualified type.
3499         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3500         type is qualified, not just if type itself is.  Don't apply
3501         qualifiers to array type when declarator is processed.  Apply
3502         qualifiers to field type whether or not it is an array type.
3503         Don't handle array types specially for applying qualifiers to
3504         variables.
3505         * c-typeck.c (composite_type): Build unqualified element type and
3506         array type when forming composite of array types.
3507         (common_pointer_type, comptypes, comp_target_types,
3508         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3509         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3510         types.
3511         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3512         (args2) in variables a1 and a2.
3514 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3516         * cse.c (n_elements_made, max_elements_made): Remove.
3517         (insert): Don't touch n_elements_made.
3518         (cse_main): Don't touch n_elements_made or max_elements_made.
3520 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3522         PR target/15384
3523         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3524         configuration part of dp-bit.c to be lost.
3526 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3528         * expmed.c (expand_mult_highpart_optab): When attempting to use
3529         a non-widening multiplication in a wider mode, the operands need
3530         to be converted (zero or sign extended) to that mode.
3532 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3534         PR middle-end/16558
3535         PR middle-end/19583
3536         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3537         through if both operands fall through.
3539 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3541         * cse.c (fold_rtx) <PC>: Don't optimize.
3543 2005-01-28  Jeff Law  <law@redhat.com>
3545         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3546         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3548 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3550         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3551         cse_reg_info_used_list_end): Remove.
3552         (cse_reg_info_list, cse_reg_info_list_free): New.
3553         (get_cse_reg_info): When allocating an instance of
3554         cse_reg_info, add it to the beginning of the cse_reg_info_list
3555         list.  Remove code to maintain cse_reg_info_used_list.
3556         (new_basic_block): Reset the free list to the beginning of
3557         cse_reg_info_list.
3559 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3561         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3562         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3563         (frv_expand_mdpackh_builtin): New function.
3564         (frv_expand_builtin): Use it to expand __MDPACKH.
3565         * doc/extend.texi (__MDPACKH): Update documentation.
3567 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3569         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3570         SSE_FLOAT_MODE_P for use_sse computation.
3572 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3574         PR target/19663
3575         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3577 2005-01-27  Richard Henderson  <rth@redhat.com>
3579         * builtins.c (expand_builtin_copysign): New.
3580         (expand_builtin): Call it.
3581         * genopinit.c (optabs): Add copysign_optab.
3582         * optabs.c (init_optabs): Initialize it.
3583         (expand_copysign): New.
3584         * optabs.h (OTI_copysign, copysign_optab): New.
3585         (expand_copysign): Declare.
3587         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3588         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3590         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3591         (ix86_expand_fp_absneg_operator): ... here.
3592         (ix86_split_copysign): New.
3593         * config/i386/i386-protos.h: Update.
3594         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3595         (copysignsf3, copysigndf3): New.
3597         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3598         (copysignsf3, ncopysignsf3): New.
3599         (copysigndf3, ncopysigndf3): New.
3600         (copysignxf3, ncopysignxf3): New.
3601         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3603 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3604             Kazu Hirata  <kazu@cs.umass.edu>
3606         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3607         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3608         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3609         NULL_RTX.
3611 2005-01-27  Jeff Law  <law@redhat.com>
3613         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3614         definitions of SSA_NAMEs which are not being rewritten.
3615         (rewrite_ssa_into_ssa): Only initialize the current definition
3616         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3617         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3618         SSA_NAMEs before returning.
3620 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3622         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3623         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3624         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3625         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3626         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3628 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3630         PR middle-end/17278
3631         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3632         higher to -O2 and higher.  Likewise for tree PRE.
3633         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3634         and better.
3636 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3638         PR middle-end/19583
3639         * gimple-low.c (try_catch_may_fallthru): New static function.
3640         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3641         * tree-inline.c (expand_call_inline): Don't warn about reaching
3642         the end of a non-void function being inlined if the function uses
3643         a return slot.
3645 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3647         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3649         PR c/18946
3650         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3651         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3652         (implicitly_declare): Handle error_mark_node.
3654 2005-01-27  Richard Henderson  <rth@redhat.com>
3656         PR tree-opt/14329
3657         * tree.h (struct tree_decl): Add debug_expr_is_from.
3658         (DECL_DEBUG_EXPR_IS_FROM): New.
3659         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3660         * dwarf2out.c (dwarf2out_var_location): Update to match.
3661         * tree-outof-ssa.c (create_temp): Likewise.
3662         * var-tracking.c (track_expr_p): Likewise.
3663         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3664         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3665         * toplev.c (default_tree_printer): Likewise.
3667 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3669         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3670         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3672 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3674         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3675         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3676         ASM_CLOBBERS): Add tree checks.
3678         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3679         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3680         * c-common.def (SWITCH_STMT): Update to match.
3681         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3682         macros instead of SWITCH_EXPR ones.
3683         * c-dump.c (c_dump_tree): Likewise.
3684         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3685         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3687         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3689 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3691         * unwind-dw2.c (execute_stack_op): Add missing cases for
3692         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3694 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3696         * config.gcc (Obsolete configurations): Remove 'dummy', add
3697         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3698         sparc-*-openbsd*.
3700 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3702         PR tree-optimization/19633
3703         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3704         CALL_EXPRs.
3705         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3706         are no call-clobbered variables.
3707         * tree-outof-ssa.c (check_replaceable): Return false for calls
3708         with side-effects.
3710 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3712         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3713         even for variables with NULL DECL_INITIAL.
3715 2005-01-26  Stuart Hastings  <stuart@apple.com>
3717         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3719 2005-01-26  Richard Henderson  <rth@redhat.com>
3721         PR middle-end/18008
3722         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3723         field's type.
3724         * expr.c (store_field): Strip conversions to odd-bit-sized types
3725         if the destination field width matches.
3727 2005-01-26  Richard Henderson  <rth@redhat.com>
3729         * c-decl.c, expmed.c, expr.c: Revert last change.
3731 2005-01-26  Richard Henderson  <rth@redhat.com>
3733         PR middle-end/18008
3734         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3735         field's type.
3736         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3737         if we don't need the bits above those present in the current mode.
3738         * expr.c (store_field): Strip conversions to odd-bit-sized types
3739         if the destination field width matches.
3741 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3743         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3744         either -ffast-math or -funsafe-math-optimizations is in use.
3746 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3748         PR target/19293
3749         PR target/19329
3750         * config/avr/avr.c (notice_update_cc): Only set condition code for
3751         ashrqi3 if shift count > 0.
3752         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3753         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3754         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3755         count <= 0 as a no-op, and shift count >= width by copying zero
3756         or sign bit to all bits of the result.
3757         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3758         count, with attribute "length" set to 0 and "cc" set to "none".
3760 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3762         * doc/invoke.texi: Document -mTLS.
3764         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3765         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3766         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3767         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3768         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3769         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3770         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3771         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3773         * configure.ac: Check for a TLS capable gas.
3775         * configure: Regenerate.
3777 2005-01-26  Richard Henderson  <rth@redhat.com>
3779         PR middle-end/18008
3780         * combine.c (make_field_assignment): Simplify store to zero_extract
3781         from a source with an overlapping mask.
3783 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3785         2004-11-11  Eric Christopher  <echristo@redhat.com>
3787         * config/frv/frv.md: Add fr400_integer automaton. Don't
3788         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3789         to TYPE_MACC.
3791 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3793         PR middle-end/16585
3794         * cfgbuild.c (make_edges): Do not clear or set
3795         current_function_has_computed_jump.
3796         * function.h (struct function): Remove the has_computed_jump field.
3797         (current_function_has_computed_jump): Do not define.
3798         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3799         in a computed jump.  Ignore current_function_has_computed_jump.
3801 2005-01-26  Richard Henderson  <rth@redhat.com>
3803         PR middle-end/19515
3804         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3805         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3806         fully initialized.
3807         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3808         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3809         objects into static storage if they have more than one non-zero value.
3810         * tree.h (categorize_ctor_elements): Update decl.
3812 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3814         PR middle-end/19616
3815         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3816         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3817         to this function from 2004-07-10.
3818         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3819         the current function for tail call optimizations if the address
3820         of one of it its arguments is taken.
3822 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3824         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3826 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3828         * function.c (expand_function_end): If current_function_calls_alloca,
3829         emit stack restore in a place that is reached when the function falls
3830         through at the end.
3832 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3834         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3835         rule to avoid matching inappropriate suffix rule.
3837 2005-01-26  Jan Hubicka  <jh@suse.cz>
3839         PR tree-optimization/19241
3840         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3842 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3844         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3845         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3846         of doubling.
3847         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3848         <sim*>: Always use crt1.o, regardless of N in simN.
3849         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3850         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3851         (CRT_CALL_STATIC_FUNCTION): Remove.
3852         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3853         use crt1.o, regardless of N in simN.
3854         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3855         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3856         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3857         case isystem setting.
3858         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3860 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3862         * gimple-low.c (block_may_fallthru): Correct handling of
3863         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3865 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3867         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3868         handlers to match indentation; nested under the mtune=* handler.
3869         Similar for mcpu= and march=.
3871 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3873         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3874         * config/mips/linux64.h (LIB_SPEC): Likewise.
3875         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3876         * config/sh/linux.h (LIB_SPEC): Likewise.
3878 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3880         * config/frv/frv.c (frv_legitimize_tls_address): New.
3881         (TARGET_HAVE_TLS): Define.
3882         (FRV_SYMBOL_REF_TLS_P): Define.
3883         (frv_override_options): Handle new register classes.
3884         (frv_legitimate_address_p): Reject tls addresses.
3885         (frv_legitimize_address): Handle TLS addresses.
3886         (gen_inlined_tls_plt): New.
3887         (gen_tlsmoff): New.
3888         (frv_legitimize_tls_address): New.
3889         (unspec_got_name): Add TLS entries.
3890         (got12_operand): Add R_FRV_TLSMOFF12 case.
3891         (frv_emit_move): Fixup TLS addresses.
3892         (frv_emit_movsi): Legitimize TLS addresses.
3894         * config/frv/frv.h (MASK_BIG_TLS): New.
3895         (TARGET_BIG_TLS): New.
3896         (HAVE_AS_TLS): Define.
3897         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3898         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3899         (REG_CLASS_NAMES): Same.
3900         (REG_CLASS_CONTENTS): Same.
3901         (CONSTRAINT_LEN): New.
3902         (REG_CLASS_FROM_CONSTRAINT): New.
3903         (PREDICATE_CODES): Add symbolic_operand.
3905         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3906         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3907         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3908         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3909         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3910         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3911         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3912         GR9_REG, GR14_REG, LRREG.
3913         (type): Add load_or_call attribute.
3914         ("load_or_call"): New reservation.
3915         ("call_gettlsoff"): New.
3916         ("tls_indirect_call"): New.
3917         ("tls_load_gottlsoff12"): New.
3918         ("tlsoff_hilo"): New.
3919         ("tls_tlsdesc_ldd"): New.
3920         ("tls_tlsoff_ld"): New.
3921         ("tls_lddi"): New.
3923         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3925         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3927         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3928         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3929         * config/frv/frv.c (TLS_BIAS): Define.
3930         (frv_output_dwarf_dtprel): New.
3932 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3934         PR rtl-optimization/19579
3935         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3936         both A and B, see if they don't clobber registers the other expr uses.
3938 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3940         * real.c (do_add): Initialize signalling and canonical members.
3942         * real.c (real_from_integer): Zero out destination.
3944 2005-01-18  Jan Hubicka  <jh@suse.cz>
3946         PR tree-optimize/19337
3947         * tree-inline.c (initialize_inlined_parameters): Copy
3948         saved_static_chain_decl only.
3950 2005-01-25  Richard Henderson  <rth@redhat.com>
3952         PR target/19556
3953         PR target/19584
3954         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3955         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3956         80387 enabled, to return a proper subclass.  Return the subset that
3957         overlaps with GENERAL_REGS for PLUS.
3958         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3960 2005-01-25  Richard Henderson  <rth@redhat.com>
3962         PR middle-end/19609
3963         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3965 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3967         * expmed.c (choose_multiplier): Change interface to return the
3968         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3969         (expand_divmod): Update calls to choose_multiplier.
3971 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3973         PR middle-end/19330
3974         * expmed.c (extract_bit_field): Use adjust_address instead of
3975         gen_lowpart when op0 is a MEM.
3977 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3979         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3981 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3983         * config/mips/irix-csr.c: New file.
3984         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3985         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3986         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3987         executables.
3989 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3991         PR bootstrap/19364
3992         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3993         sparc/elf.h, add sparc/sp-elf.h.
3994         (sparc-*-rtems*): Likewise.
3995         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3996         tm-dwarf2.h, add sparc/sp-elf.h.
3997         (sparc86x-*-elf): Likewise.
3998         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3999         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
4000         TARGET_OS_CPP_BUILTINS.
4001         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4002         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4003         Undefine it.
4004         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
4005         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
4006         (SWITCH_TAKES_ARG): Likewise.
4007         (LOCAL_LABEL_PREFIX): Likewise.
4008         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4009         (TARGET_N_FORMAT_TYPES): Delete.
4010         (TARGET_FORMAT_TYPES): Likewise.
4011         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
4012         * config/sparc/elf.h: Delete.
4013         * config/sparc/sp-elf.h: New file.
4015 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4017         * tree-flow-inline.h (phi_arg_from_edge): Remove.
4018         * tree-flow.h: Remove the corresponding prototype.
4019         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
4020         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
4022 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4024         PR target/17751
4025         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
4026         for AIX ABI or ELF -fPIC.
4027         (rs6000_emit_load_toc_table): Don't create toc_section here.
4028         (rs6000_xcoff_file_start): Nor here.
4030 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4032         * sh.c (ra.h): Don't #include.
4033         (hard_regs_intersect_p): New function, resurrected from ra.c.
4035         * sh.c: Fix 1996 Copyright.
4037 2005-01-24  Richard Henderson  <rth@redhat.com>
4038             Aldy Hernandez  <aldyh@redhat.com>
4040         * regrename.c (note_sets): Handle subregs.
4042 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4044         PR bootstrap/18058
4045         * genconditions.c (write_header, write_conditions): Elide file if
4046         not GCC >= 3.0.1.
4048 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4050         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4051         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4052         Update copyright.
4054 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4056         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4057         expand_builtin_printf, expand_builtin_fprintf,
4058         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4059         checking against POINTER_TYPE.
4060         (validate_arglist): Handle POINTER_TYPE code by checking
4061         POINTER_TYPE_P.
4063 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4065         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4066         init_rtlanal): New.
4067         (for_each_rtx): Call for_each_rtx_1.
4068         * rtl.h (init_rtlanal): Declare.
4069         * toplev.c (backend_init): Call init_rtlanal.
4071 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4073         * flow.c (propagate_one_insn): Formatting.
4075         PR middle-end/19551
4076         * flow.c (libcall_dead_p): Be more conservative if unsure.
4077         If there are any instructions between insn and call, see if they are
4078         all dead before saying the libcall is dead.
4080 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4082         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4083         operand constraint for operand 0.
4085 2005-01-23  Richard Henderson  <rth@redhat.com>
4087         PR 19486
4088         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4089         edges leading to join block.
4091 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4093         * expmed.c (expand_mult_highpart): Make static.  Change type of
4094         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4095         (expand_divmod): Updates calls to expand_mult_highpart by using
4096         gen_int_mode to pass a CONST_INT rtx.
4097         * rtl.h (expand_mult_highpart): Remove prototype.
4099 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4101         * flow.c (regset_bytes, regset_size): Remove.
4103         * cfganal.c: Fix a reference to Harvey's paper.
4105 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4107         PR rtl-optimization/19464
4108         * tree-optimize.c (init_tree_optimization_passes): Add one more
4109         copyrename pass just before out-of-ssa.
4111 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4113         PR bootstrap/18058
4114         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4115         * ggc-none.c (ggc_free): Define.
4117 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4119         * cse.c (max_reg, max_insn_uid): Remove.
4120         (cse_main): Don't access max_reg or max_insn_uid.
4122         * c-common.c (explicit_flag_signed_bitfields,
4123         lang_statement_code_p, lang_expand_function_end): Remove.
4124         * c-common.h: Remove the corresponding declarations.
4125         * c-opts.c (c_common_handle_option): Remove all write access
4126         to explicit_flag_signed_bitfields.
4128         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4129         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4130         * cgraph.h: Remove the corresponding declaration.
4132         * gcse.c (null_pointer_info): Remove.
4134 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4135             Eric Botcazou  <ebotcazou@libertysurf.fr>
4137         * combine.c (simplify_logical): Only simplify logical expressions
4138         of the form ior(and(x,y),z) by the inverse distributive law if the
4139         result is cheaper than the original.
4141 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4143         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4144         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4145         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4146         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4147         config/freebsd-spec.h, config/arm/arm.h,
4148         config/h8300/h8300.md, config/i386/i386.md,
4149         config/i386/predicates.md, config/i386/sse.md,
4150         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4151         config/vax/vax.md: Fix comment typos.  Follow spelling
4152         conventions.
4154 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4156         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4157         tests, instead of `less than'.
4159 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4161         * function.c (assign_parm_setup_block): When creating a new stack slot
4162         for a parameter, get its alignment from the parameter's DECL_ALIGN
4163         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4164         is at least word aligned.
4166 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4168         PR middle-end/19378
4169         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4171 2005-01-22  Richard Henderson  <rth@redhat.com>
4173         PR target/19506
4174         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4175         in both compare operands.
4176         (movdfcc_1_sse_max): Likewise.
4177         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4178         (movdfcc_1_sse): Likewise.
4179         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4180         scratch register as needed.
4182 2005-01-22  Richard Henderson  <rth@redhat.com>
4184         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4186         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4188 2005-01-22  Richard Henderson  <rth@redhat.com>
4190         * genopinit.c (optabs): Use smin/smax for floating point too.
4191         * doc/md.texi: Update to match.  Clarify that floating point
4192         results are undefined for +0/-0 and NaN.
4193         * doc/rtl.texi: Likewise.
4194         * rtl.def (SMIN, SMAX): Likewise
4195         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4197         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4198         leading 's' to the name.
4199         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4200         smaxxf3, sminxf3): Likewise.
4201         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4202         Likewise.
4204 2005-01-22  Paul Brook  <paul@codesourcery.com>
4206         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4208 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4210         * config/s390/s390.c (struct processor_costs): New fields
4211         dlgr, dlr, dr, dsgfr, dsgr.
4212         (z900_cost, z990_cost): Values for new fields.
4213         (s390_rtx_costs): New cases MEM und COMPARE in switch
4214         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4215         DIV, MOD, UDIV, UMOD.
4217 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4219         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4220         into the register being decremented.
4221         ("doloop_si31", "doloop_di"): Likewise.
4222         ("*doloop_si_long"): Adapt pattern.
4224 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4226         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4227         access registers.
4228         (CLASS_MAX_NREGS): Likewise.
4230 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4232         * doc/tree-ssa.texi (Statement Operands): Add example for new
4233         must-def macro. Note deprecation of old operands interface.
4235 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4237         PR tree-optimization/19484
4238         * tree-cfg.c (remove_fallthru_edge): New function.
4239         (cleanup_control_flow): Remove fallthru edges from calls that are
4240         now known not to return.
4242 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4244         Fix PR tree-optimization/19038
4245         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4246         copies with loop variant ones.
4248 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4250         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4251         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4252         config/alpha/alpha.md, config/alpha/predicates.md,
4253         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4254         config/sparc/sol2.h: Update copyright.
4256         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4257         first label to see if it is a nonlocal label.
4259 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4260             Andrew Pinski  <pinskia@physics.uc.edu>
4262         PR target/19491
4263         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4264         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
4266 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4268         * config/rs6000/rtems.h: Update copyright.
4270 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4272         PR target/19548
4273         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4274         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4275         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4277 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4279         PR c/18809
4280         * c-typeck.c (convert_arguments): Check for error_mark_node.
4282 2005-01-21  Ian Lance Taylor  <ian@airs.com>
4284         PR tree-optimization/13000
4285         * tree-inline.c: Include "tree-flow.h".
4286         (expand_call_inline): If warn_return_type, warn if non-void inline
4287         function falls through.
4288         * tree-cfg.c (execute_warn_function_return): Don't warn about
4289         control reaching end if TREE_NO_WARNING is set.  Set
4290         TREE_NO_WARNING.
4291         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4292         has been lowered.
4293         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4294         branch if we don't need one.
4295         * c-typeck.c: Include "tree-flow.h"
4296         (c_finish_bc_stmt): Don't add a goto if the current statement
4297         list doesn't fall through to the current point.
4299 2005-01-21  Roger Sayle  <roger@eyesopen.com>
4301         PR rtl-optimization/576
4302         * real.c (real_arithmetic): Change return type from void to bool
4303         to return an indication that the result may be inexact.
4304         * real.h (real_arithmeric): Update prototype.
4305         * fold-const.c (const_binop):  Don't constant fold floating
4306         point expressions when the user specifies -frounding-math and
4307         the result may depend upon the run-time rounding mode.
4308         (fold_convert_const_real_from_real): Clean-up.
4309         (fold_initializer): Ignore flag_rounding_math for initializers.
4310         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4311         constant fold FP operations with flag_rounding_math if the
4312         result may depend upon the run-time rounding mode.
4314 2005-01-21  Tom Tromey  <tromey@redhat.com>
4316         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4318 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4320         * tree-cfg.c: Fix comment typos.
4322 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4324         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4325         around the call to rest_of_handle_branch_target_load_optimize.
4327 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4329         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4330         (sparc64-*-openbsd*): Likewise.
4331         (sparclite-*-elf*): Include tm-dwarf2.h.
4332         (sparc86x-*-elf*): Likewise.
4333         (sparc64-*-elf*): Likewise.
4334         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4335         (DBX_DEBUGGING_INFO): Likewise.
4336         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4337         (PREFERRED_DEBUGGING_TYPE): Likewise.
4338         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4339         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4340         (PREFERRED_DEBUGGING_TYPE): Likewise.
4341         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4342         (PREFERRED_DEBUGGING_TYPE): Likewise.
4343         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4345 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4347         PR target/18701
4348         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4350 2005-01-20  Paul Brook  <paul@codesourcery.com>
4352         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4354 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4356         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4357         label is first in a sequence of labels.
4359         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4361 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4362             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4364         * doc/sourcebuild.texi (Test Directives): New.
4366 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4368         * real.c (real_floor): Don't leave the result uninitialized when
4369         mode is VOIDMode, but return the unrounded intermediate value.
4370         (real_ceil): Likewise.
4372 2005-01-20  Paul Brook  <paul@codesourcery.com>
4374         * config/arm/arm.md (insv): Use gen_int_mode.
4376 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4378         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4379         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4380         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4381         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4382         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4384 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4386         Fix PR debug/19124
4387         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4388         fbreg, so we have to assume we can't.
4389         (loc_descriptor_from_tree_1): Ditto.
4390         (containing_function_has_frame_base): New function.
4391         (add_location_or_const_value_attribute): Use it.
4392         Also try to generate a frame_base from a single element location
4393         list.
4395 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4397         PR tree-optimization/15349
4398         * timevar.def (TV_TREE_MERGE_PHI): New.
4399         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4400         PHI_WANTED.
4401         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4402         calls to tree_forwarder_block_p.
4403         (remove_forwarder_block_with_phi, merge_phi_nodes,
4404         gate_merge_phi, pass_merge_phi): New.
4405         * tree-optimize.c (init_tree_optimization_passes): Add
4406         pass_merge_phi.
4407         * tree-pass.h: Add an extern for pass_merge_phi;
4409 2005-01-20  Richard Henderson  <rth@redhat.com>
4411         PR target/19418
4412         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4413         (_mm_castps_pd, _mm_castps_si128): New.
4414         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4416 2005-01-20  Richard Henderson  <rth@redhat.com>
4418         PR target/19530
4419         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4420         __builtin_ia32_vec_init_v2si.
4421         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4422         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4423         (ix86_init_mmx_sse_builtins): Create it.
4424         (ix86_expand_builtin): Expand it.
4425         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4426         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4427         (vec_extractv2si_0, vec_extractv2si_1): New.
4429 2005-01-20  Richard Henderson  <rth@redhat.com>
4431         PR target/16533
4432         * config/i386/i386.c (ix86_expand_push): New.
4433         * config/i386/mmx.md (push<MMXMODE>1): New.
4434         * config/i386/sse.md (push<SSEMODE>1): New.
4435         * config/i386/i386-protos.h: Update.
4437 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4439         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4440         copyright.
4442 2005-01-20  Richard Henderson  <rth@redhat.com>
4444         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4445         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4447 2005-01-19  Richard Henderson  <rth@redhat.com>
4449         PR target/19350
4450         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4451         to V4SFmode in SSE1 fallback load path.
4453 2005-01-19  Richard Henderson  <rth@redhat.com>
4455         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4456         in QImode expansion to ix86_expand_vector_set.
4457         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4459 2005-01-19  Richard Henderson  <rth@redhat.com>
4461         PR target/19511
4462         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4463         subclass of the input class.
4464         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4465         Always true for cross-SSE1 classes.  Rationalize conditionals.
4466         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4467         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4468         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4469         (movdi_2): Add MMX/SSE zeros.
4470         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4471         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4472         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4473         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4474         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4475         (zero_extendsidi2_rex64_1): Remove.
4476         (MOV0 peephole): Check GENERAL_REG_P.
4478 2005-01-19  Richard Henderson  <rth@redhat.com>
4480         PR target/19427
4481         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4482         shufps elements.
4483         (ix86_expand_vector_extract): Likewise.
4485 2005-01-19  Richard Henderson  <rth@redhat.com>
4487         PR middle-end/19304
4488         * expr.c (emit_move_change_mode): New argument force; use
4489         simplify_gen_subreg if true.
4490         (emit_move_via_alt_mode): Merge into ...
4491         (emit_move_via_integer): ... here.
4492         (emit_move_ccmode): Use emit_move_change_mode directly.
4494 2005-01-19  Richard Henderson  <rth@redhat.com>
4496         PR target/19518
4497         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4498         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4499         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4500         rtl if true.
4501         (alpha_emit_set_const): Likewise.  Make static.
4502         (alpha_emit_set_long_const): Make static.
4503         (alpha_extract_integer): Split out from alpha_expand_mov.
4504         (alpha_split_const_mov): Likewise.
4505         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4506         (alpha_legitimate_constant_p): New.
4507         * config/alpha/alpha-protos.h: Update.
4508         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4509         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4510         * config/alpha/alpha.md (movsi): Add n alternative.
4511         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4512         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4513         (splitters for all of the above): Use alpha_split_const_mov.
4514         * config/alpha/predicates.md (non_add_const_operand): New.
4515         (non_zero_const_operand): New.
4516         (input_operand): Use alpha_legitimate_constant_p after reload.
4518 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4520         PR tree-optimization/19038
4521         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4522         (add_candidate): Add ivs with increment in latch only if
4523         allow_ip_end_pos_p is true.
4524         (determine_iv_cost): Use empty_block_p.
4526 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4528         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4529         (compute_dominance_frontiers): Ditto.
4531 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4533         PR target/19529
4534         * config/sh/t-rtems: New.
4535         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4537 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4539         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4540         the offset of the selected field.
4542 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4544         * tree-cfg.c (remove_forwarder_block): Fix the check to
4545         prevent a nonlocal label from appearing in the middle of a
4546         basic block.
4548 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4550         PR rtl-optimization/19462
4551         * reorg.c (find_end_label): Create return insn only if
4552         current_function_epilogue_delay_list is empty.
4554 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4556         * doc/passes.texi: Remove paragraph mentioning new-ra.
4558 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4560         PR rtl-optimization/15139
4561         * combine.c: Include params.h.
4562         (count_rtxs): New function.
4563         (record_value_for_reg): If replace_rtx would replace at least
4564         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4565         (clobber (const_int 0)) instead of TEM.
4566         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4567         * params.h (MAX_LAST_VALUE_RTL): New.
4568         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4569         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4571         PR c/17297
4572         * c-typeck.c (digest_init): Only call build_vector if all constructor
4573         elements are *_CST nodes.
4574         * gimplify.c (gimplify_init_constructor): Likewise.
4576         PR middle-end/19164
4577         * c-typeck.c (digest_init): Only call build_vector if inside_init
4578         is a CONSTRUCTOR.
4580 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4582         * toplev.c (init_asm_output): Remove dead #ifdef.
4584 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4586         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4588 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4590         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4591         accessing DECL_FUNCTION_CODE.
4592         * dojump.c (do_jump): Likewise.
4593         * gimplify.c (gimplify_call_expr): Likewise.
4594         * predict.c (expr_expected_value): Likewise.
4595         (strip_builtin_expect): Likewise.
4596         * tree-inline.c (estimate_num_insns_1): Likewise.
4597         * tree-ssa-loop-im.c (stmt_cost): Likewise
4598         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4599         (tree_expr_nonnegative_p): Likewise.
4601 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4603         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4604         variant of the load_pcrel_sym pattern.
4605         * config/sparc/sparc.md (P macro): Move to the top.
4606         (load_pcrel_sym): Macroize using P.
4607         (save_register_window): Likewise.
4609 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4611         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4612         ("sordered"): Same.
4614 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4616         PR C/19472
4617         * c-typeck.c (build_asm_expr): Strip nops off
4618         input memory operands.
4620 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
4622         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4623         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4624         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4625         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4627 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
4629         PR target/19379
4630         * config/i386/i386.c (override_options): If the 80387 is disabled,
4631         then do not return FP values using FP registers.
4633 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
4635         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4636         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4637         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4638         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4639         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4640         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4641         output.h, postreload-gcse.c, postreload.c, recog.c,
4642         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4643         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4644         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4645         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4646         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4647         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4648         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4649         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4651         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4652         config/alpha/alpha.c, config/arm/vfp.md,
4653         config/i386/emmintrin.h, config/i386/i386-modes.def,
4654         config/i386/i386-protos.h, config/i386/i386.h,
4655         config/i386/pmmintrin.h, config/i386/ppro.md,
4656         config/i386/predicates.md, config/i386/xmmintrin.h,
4657         config/i860/i860.c, config/ia64/ia64-modes.def,
4658         config/ia64/ia64-protos.h, config/ia64/ia64.h,
4659         config/ia64/ia64.md, config/ia64/itanium1.md,
4660         config/ia64/itanium2.md, config/ia64/predicates.md,
4661         config/iq2000/iq2000.h, config/mips/linux64.h,
4662         config/rs6000/aix41.h, config/rs6000/aix43.h,
4663         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4664         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4665         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4666         config/sparc/linux64.h, config/sparc/litecoff.h,
4667         config/sparc/sp64-elf.h, config/sparc/sparc.c,
4668         config/sparc/sparc.h, config/sparc/sparc.md,
4669         config/sparc/sysv4-only.h: Update copyright.
4671 2005-01-18  Richard Henderson  <rth@redhat.com>
4673         PR target/19496
4674         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4676 2005-01-18  Marc Espie  <espie@openbsd.org>
4677         * config/i386/openbsdelf.h: Typo.
4679 2005-01-18  Richard Henderson  <rth@redhat.com>
4681         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4682         special case for sse.
4683         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4685 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4687         * tree-inline.c (estimate_num_insns_1): Added cases for
4688         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4690 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4692         PR rtl-optimization/19296
4693         * combine.c (simplify_comparison): Rewrite the condition under
4694         which a non-paradoxical SUBREG of a PLUS can be lifted when
4695         compared against a constant.
4697 2005-01-18  Andi Kleen <ak@muc.de>
4699         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4700         * c.opt (-Wpointer-sign): Add.
4701         * doc/invoke.texi: (-Wpointer-sign): Add.
4703 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4705         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4706         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4707         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4708         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4709         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4710         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
4711         for TARGET_MIX_SSE_I387.
4712         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4713         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4714         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4715         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4716         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4717         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
4718         TARGET_MIX_SSE_I387.
4719         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4720         from expander.
4722 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4724         PR target/19424
4725         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4726         Add movaps alternative for xmm reg->reg move.
4728 2005-01-17  Jeff Law  <law@redhat.com>
4730         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4731         at the end of the main DOM loop rather than just before DOM exits.
4733 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
4735         PR tree-optimization/19121
4736         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4737         adding aliases to a name tag, also add them to the pointer's
4738         type tag.
4739         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4740         sensitive alias info at all.  Only check that the two pointers
4741         have compatible pointed-to sets.
4742         * tree-ssa.c (verify_name_tags): Verify that the alias set of
4743         a pointer's type tag is a superset of the alias set of the
4744         pointer's name tag.
4746 2005-01-17  James E Wilson  <wilson@specifixinc.com>
4748         PR target/19357
4749         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
4750         comment to document why.
4752 2005-01-17  Richard Henderson  <rth@redhat.com>
4754         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4755         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4756         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4757         sse2_vmsminv2df3_finite): New.
4758         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4759         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4760         Force op1 into register.
4762 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
4764         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4765         bubblestrap from always rebuilding build directory.
4767 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
4769         * config/s390/s390.md ("*clc"): Remove incorrect '='.
4770         ("*cmpmem_short"): Likewise.
4772 2005-01-17  Steven Bosscher  <stevenb@suse.de>
4774         * basic-block.h: Document BB_* flags.
4775         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4776         use an sbitmap instead.
4777         * sched-rgn.c (compute_trg_info): Likewise.
4779 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
4781         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
4782         redundant target_cpu_default and extra_parts lines.  Use the default
4783         "from-abi" ISA.
4784         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4785         (SUBTARGET_EXTRA_SPECS): Delete.
4786         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
4787         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4788         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4789         and "n32" for -mabi=n32.
4791 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4793         PR c/5675
4794         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4795         fold constant variables into initial values.
4797 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4799         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4801         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4802         through the statements backward.
4804 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4806         PR middle-end/13127:
4807         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4808         a variable set to the return value of the inlined function.
4810 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4812         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4813         when modes are tieable.
4815 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4817         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4818         of pthread_create to find out if threads are enabled.
4819         * gthr-posix95.h (__gthread_active_p): Likewise.
4821 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4823         * common.opt (-fnew-ra): Remove.
4824         * ra*.*: Remove.
4825         * toplev.h (flag_new_regalloc): Remove.
4826         * Makefile.in (ra*.*): Don't mention.
4827         * passes.c (rest_of_handle_new_regalloc): Remove.
4828         (rest_of_handle_combine, rest_of_compilation): Always consider
4829         flag_new_regalloc as false.
4830         * doc/invoke.texi: Don't document -fnew-ra.
4832 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4834         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4835         last parameter to reg_scan.
4836         * loop.c (loop_optimize): Likewise.
4837         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4838         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4839         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4840         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4841         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4842         * regclass.c (reg_scan): Likewise, for the declaration.
4843         * rtl.h (reg_scan): Likewise, for the prototype.
4845 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4847         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4848         mark_dfs_back_edges.
4850 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
4852         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4853         (compute_avail): Uses don't go in tmp_gen.
4855 2005-01-16  Steven Bosscher  <stevenb@suse.de>
4857         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4858         loop to look for a free slot in a page entry.
4860 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4862         PR target/16304
4863         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4864         * toplev.c (compile_file): Call process_pending_assemble_output_defs
4865         just before targetm.asm_out.file_end.
4866         * tree.h (process_pending_assemble_output_defs): Declare.
4867         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4868         New functions.
4869         (assemble_alias): Defer generation of assembly code for defines when
4870         TARGET_DEFERRED_OUTPUT_DEFS is true.
4871         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4872         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4873         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4875 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4877         PR target/19336
4878         * pa.c (pa_scalar_mode_supported_p): New function.
4879         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4880         * pa.h (MIN_UNITS_PER_WORD): Add comment.
4882         * pa-protos.h (prefetch_operand): Delete.
4883         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4884         * pa.c (prefetch_operand): Delete.
4885         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4886         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4887         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
4888         and prefetch_nocc_operand.
4889         * pa.md (prefetch): Rework to avoid reload problems handling short
4890         displacements when a cache control completer needs to be provided.
4891         (prefetch_32, prefetch_64): Delete.
4892         (prefetch_cc, prefetch_nocc): New patterns.
4894 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
4896         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4898 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4900         PR ada/19388
4901         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4902         exceeds maximum alignment for global common data.
4903         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4904         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4906 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4908         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4910 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4912         * harg-reg-set.h (reg_class_names): Prototype global array.
4913         * regclass.c (reg_class_names): Declare here and initialize to
4914         REG_CLASS_NAMES.
4915         (dump_regclass): Remove local declaration of reg_class_names.
4916         (regclass): Likewise.
4917         * cfg.c (dump_flow_info): Likewise.
4918         * ra-debug.c (reg_class_names): Likewise.
4919         * regrename.c (reg_class_names): Likewise.
4920         * reload.c (reg_class_names): Likewise.
4921         * reload1.c (spill_failure): Likewise.
4922         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4924 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
4926         * config/s390/s390.md ("reload_outti"): Remove predicate for
4927         output operand.  Abort if operand is not a MEM.
4928         ("reload_outdi", "reload_outdf"): Likewise.
4930 2005-01-15  Marc Espie  <espie@openbsd.org>
4932         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4933         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4934         * config/openbsd.h:  Fix C++ includes for native configurations.
4935         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
4936         Add trampoline support.
4937         * config/i386/openbsdelf.h: New.
4939 2005-01-15  Marc Espie  <espie@openbsd.org>
4941         * collect2.c (main): Explicitly parse -dynamic-linker option.
4943 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
4945         PR tree-optimization/19060
4946         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4947         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4948         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4949         and handle extract_range_from_cond returning false.
4950         * fold-const.c (fold): Optimize comparisons with min/max even for
4951         width > HOST_BITS_PER_WIDE_INT.
4953 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
4955         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4956         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4957         Remove little endian multilib variants.
4958         Add mips32 multilib variant.
4960 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
4962         * explow.c (copy_all_reg, stabilize): Remove.
4963         * expr.h: Remove the corresponding prototypes.
4965         * rtlanal.c (regs_set_between_p): Remove.
4966         * rtl.h: Remove the corresponding prototype.
4968 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
4970         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4971         to rs6000_nonimmediate_operand.
4972         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4973         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4974         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4975         rs6000_nonimmediate_operand.
4976         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4977         rs6000_nonimmediate_operand.
4979 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
4981         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4983 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4985         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4986         on e500v2.
4987         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4988         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4990         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4991         (rs6k_nonimmediate_operand): New.
4992         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4993         correctly.
4994         (legitimate_lo_sum_address_p): Same.
4995         (rs6000_legitimize_address): Same.
4996         (rs6000_legitimize_reload_address): Same.
4997         (rs6000_legitimate_address): Same.
4998         (spe_build_register_parallel): Pass DF and DC modes in a DI
4999         register.
5001         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
5002         to rs6k_nonimmediate_operand.
5004         * config/rs6000/spe.md ("*frob_df_di"): New.
5005         ("*frob_di_df"): New.
5006         ("*frob_di_df_2"): New.
5007         ("*mov_sidf_e500_subreg0"): New.
5008         ("*mov_sidf_e500_subreg4"): New.
5009         ("*movdf_e500_double"): Change predicate to
5010         rs6k_nonimmediate_operand.
5012 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5014         * postreload.c (move2add_note_store): Only call
5015         trunc_int_for_mode on scalar integers.
5017 2005-01-14  Steven Bosscher  <stevenb@suse.de>
5019         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
5020         replace BB_VISITED uses.
5021         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
5022         (propagate_necessity): Check the bitmap instead of BB_VISITED.
5023         (tree_dce_done): Free visited_control_parents.
5024         (perform_tree_ssa_dce): Allocate and clear it.
5025         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
5026         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
5027         instead of BB_VISITED.
5029 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5031         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5032         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5033         Remove unused prototypes.
5035 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5037         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5038         64-bit register usage.
5039         (spe_func_has_64bit_regs_p): Add FIXME note.
5041 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5043         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5044         flag_finite_math_only with flag_unsafe_math_optimizations.
5046 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5048         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5049         end-of-stack check.
5050         (__tpf_eh_return): Copy TPF private stack area from the module
5051         boundary stack frame.  Add check for when module addresses are
5052         equal, but no stub address is found.
5054 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5056         PR target/7525
5057         * arm.h (struct machine_function): Add call_via field.
5058         (thumb_call_via_label): Declare.
5059         * arm.c (thumb_call_via_label): New variable.
5060         (thumb_call_reg_needed): New variable.
5061         (arm_output_function_epilogue): For Thumb code, output any per-function
5062         call-indirect trampolines.
5063         (thumb_call_via_reg): New function.
5064         (arm_file_end): New function.
5065         (TARGET_ASM_FILE_END): Call arm_file_end.
5066         (aof_file_end): Likewise.
5067         * arm-protos.h (thumb_call_via_reg): Declare.
5068         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5069         thumb_call_via_reg in normal case.
5071 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5073         PR middle-end/19084
5074         PR rtl-optimization/19348
5075         * recog.c (peephole2_optimize): Do global life update if some peephole
5076         decides it doesn't need at least one of its inputs and that change
5077         influences liveness at the start of the basic block.
5079         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5080         arguments instead of 1.
5082 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5084         PR middle-end/18820
5085         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5086         zero for nested functions needing a static chain or functions
5087         with a non-constant address.
5089 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5091         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5092         (and (sign_extend X) C) into (zero_extend (and X C)).
5094 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5096         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5098 2005-01-13  Richard Henderson  <rth@redhat.com>
5100         PR target/19009
5101         PR target/19250
5102         PR target/19252
5103         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5104         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5105         not just TARGET_SSE.
5106         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5107         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5108         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5109         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5110         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5111         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5112         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5113         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5114         (movdicc_c_rex64): Rename with '*'.
5115         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5116         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5117         (movsfcc_1_387): Rename from movsfcc_1.
5118         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5119         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5120         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5121         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5122         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5123         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5124         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5125         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5126         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5127         sse_movdfcc_const0_4): Remove.
5128         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5129         recognize min/max early.  Update for changed sse cmove patterns.
5130         (ix86_split_sse_movcc): New.
5131         * config/i386/i386-protos.h: Update.
5133 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5135         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5136         (fix_stmt_v_may_defs): Likewise.
5138 2005-01-13  Richard Henderson  <rth@redhat.com>
5140         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5141         for converting the mask.
5143 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5145         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5146         definition to 600.
5148 2005-01-13  Richard Henderson  <rth@redhat.com>
5150         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5151         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5152         IX86_BUILTIN_MOVDQ2Q): Remove.
5153         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5154         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5155         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5156         shuffling.
5157         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5158         (sse2_pextrw): Fix immediate constraint.
5159         (sse2_loadq, sse2_loadq_rex64): Remove.
5160         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5161         Use __builtin_ia32_vec_ext_<size>.
5162         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5164 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5166         * function.c (assign_parm_setup_block): Look inside original
5167         entry_parm when inspecting PARALLEL.
5169 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5170             Joel Sherrill  <joel@oarcorp.com>
5172         PR target/19399
5173         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5174         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5175         rtems_gxx_recursive_mutex_init.
5176         (__gthread_recursive_mutex_lock): New function.
5177         (__gthread_recursive_mutex_trylock): Likewise.
5178         (__gthread_recursive_mutex_unlock): Likewise.
5180 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5182         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5184 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5186         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5187         (ashrti3_internal): Indicate output is early clobber. Generate result
5188         into output rather than first input. Use move for low word of output
5189         if shift count is exactly 64.
5190         (lshrti3_internal): Likewise.
5192 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5194         PR target/18329
5195         PR target/18330
5196         * reload1.c (delete_output_reload): Don't delete an output reload
5197         if the pseudo lives longer than a single basic block.  Adjust and
5198         improve wording of comment.
5200 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5202         PR target/19334
5203         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5204         of TYPE_SIZE where we mean the number of bytes.
5206 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5208         * function.c (assign_parm_setup_block): Relax condition on
5209         multi-register optimization.
5211 2005-01-12  Nick Clifton  <nickc@redhat.com>
5213         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5214         an "in_delay_slot" attribute of "no" to prevent them being used in
5215         delay slots.  This is forbidden because they might generate
5216         exceptions.
5218 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5220         PR target/19389
5221         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5222         with r->Y and Y->r.
5224 2005-01-12  Nick Clifton  <nickc@redhat.com>
5226         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5227         passed on to GAS) but do not define, as GAS no longer supports or
5228         needs the -m2000 option.
5230 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5232         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5233         type as args of unprototyped builtins aren't automatically promoted.
5234         (fold_builtin_abs): Likewise.
5236 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5238         * Makefile.in: Set a `build-warn' variable.
5240 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5242         PR tree-optimization/17949
5243         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5244         (find_interesting_uses_address): Use it.
5246 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5248         * regrename.c (kill_value): Handle subreg's that won't simplify.
5250 2005-01-11  Richard Henderson  <rth@redhat.com>
5252         PR target/13366
5253         * config/i386/i386.h (enum ix86_builtins): Move ...
5254         * config/i386/i386.c: ... here.
5255         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5256         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5257         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5258         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5259         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5260         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5261         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5262         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5263         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5264         IX86_BUILTIN_LOADDDUP): Remove.
5265         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5266         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5267         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5268         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5269         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5270         (ix86_init_builtins): Make static.
5271         (ix86_init_mmx_sse_builtins): Update for changed builtins.
5272         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5273         if all the modes match.  Otherwise, fake it.
5274         (get_element_number, ix86_expand_vec_init_builtin,
5275         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5276         (ix86_expand_builtin): Make static.  Update for changed builtins.
5277         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5278         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
5279         (ix86_expand_vector_init_duplicate): New.
5280         (ix86_expand_vector_init_low_nonzero): New.
5281         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5282         Split out from ix86_expand_vector_init; handle integer modes.
5283         (ix86_expand_vector_init): Use them.
5284         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5285         * config/i386/i386-protos.h: Update.
5286         * config/i386/predicates.md (reg_or_0_operand): New.
5287         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5288         (movv2sf_internal): Likewise.  And a splitter to match them all.
5289         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5290         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5291         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5292         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5293         (mmx_pinsrw): Fix operand ordering.
5294         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5295         rather than sse_loadss expander.
5296         (movv2df splitter): Similarly.
5297         (sse_loadss, sse_loadlss): Remove.
5298         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5299         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5300         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5301         (sse3_movddup): Rename with '*'.
5302         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5303         (sse2_loadsd): Remove.
5304         (vec_dupv2df_sse3): Rename from sse3_loadddup.
5305         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5306         (sse2_pinsrw): Fix argument ordering.
5307         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5308         (sse2_stored): Remove 'r' destination.
5309         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5310         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5311         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5312         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5313         vec_extractv16qi, vec_initv16qi): New.
5315         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5316         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5317         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5318         constructor form.
5319         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5320         (_mm_load_si128, _mm_store_si128): Likewise.
5321         (_mm_load1_pd): Use _mm_set1_pd.
5322         (_mm_load_sd): Use _mm_set_sd.
5323         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5324         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5325         (_mm_set_epi64): Use _mm_set_epi64x.
5326         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5327         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5328         _mm_setr_epi8): Use _mm_set_foo form.
5329         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5330         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5331         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5332         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5333         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5334         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5335         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5336         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5337         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5338         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5339         (_mm_movedup_pd): Use _mm_shuffle_pd.
5340         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5341         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5342         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5343         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5344         Use _mm_setzero_ps.
5345         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5346         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5347         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5348         (_mm_store_ps): Use raw dereference.
5349         (_mm_store1_ps): Use _mm_storeu_ps.
5350         (_mm_storer_ps): Use _mm_store_ps.
5351         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5352         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5354 2005-01-11  Stan Shebs  <shebs@apple.com>
5356         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5357         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5359 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5361         PR target/18761
5362         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5363         Skip all DECLs except for FIELD_DECLs.
5365 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5367         * config/s390/s390.c (override_options): Return error if
5368         -mbackchain, -mpacked-stack and -mhard-float are used together.
5369         (s390_va_start): Remove the backchain && packed-stack special case.
5370         (s390_gimplify_va_arg): Likewise.
5371         * doc/invoke.texi: Remove the ABI incompatibility note.
5373 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5375         * config/s390/s390.c (struct s390_frame_layout): Remove
5376         save_backchain_p.
5377         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5378         save_backchain_p with TARGET_BACKCHAIN.
5380 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5382         PR target/18916
5383         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5384         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5385         * function.c (locate_and_pad_parm): Set new field.
5386         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5387         Tweak where_pad test to include "none".  Always set mem align for
5388         stack_parm.
5389         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5390         not sufficient for type.
5391         (assign_parm_setup_block): If stack_parm is zero on entry, always
5392         make a new stack local.  Block move old stack parm if necessary
5393         to new aligned stack local.
5394         (assign_parm_setup_stack): Use a block move to handle
5395         potentially misaligned entry_parm.
5396         (assign_parms_unsplit_complex): Specify required alignment when
5397         creating stack local.
5398         * calls.c (compute_argument_addresses): Override alignment of stack
5399         arg calculated from its type with the alignment given by
5400         FUNCTION_ARG_BOUNDARY.
5401         (store_one_arg): Likewise.
5403 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5405         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5406         Change respective itanium_class attribute to ialu.
5407         (shladdp4_internal): New.
5408         * config/ia64/predicates.md (shladd_log2_operand): New.
5410 2005-01-11  Richard Henderson  <rth@redhat.com>
5412         * expr.c (store_constructor): Use rtvec_alloc instead of
5413         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5415 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5417         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5419 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5421         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5422         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5423         (TARGET_RWRELOC): Define.
5424         (ia64_rwreloc_section_type_flags): Delete.
5425         (ia64_section_type_flags): New function.
5426         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5427         (TARGET_RWRELOC): Define.
5429 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5431         PR target/18987
5432         * config/ia64/ia64.c (process_set): For alloc insn, only call
5433         process_epilogue is !frame_pointer_needed.
5435 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5437         PR c++/19355
5438         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5439         unary operator and can't be treated as a binary/comparison operator.
5441 2005-01-10  Richard Henderson  <rth@redhat.com>
5443         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5444         (ix86_return_in_memory): Likewise.
5445         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5446         for choosing register to advance.
5448 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5450         * tree-vectorizer.c, tree.def: Fix comment typos.
5452 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5454         * config/s390/s390.c (struct processor_costs): 4 new fields:
5455         ddbr, ddr, debr, der.
5456         (s390_rtx_costs): More precise handling of divide instructions.
5458 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5460         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5462 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5464         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5465         names resulting from -ffunction-sections/-fdata-sections and linkonce
5466         ones.
5467         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5468         based on the section name. Rearrange the section name comparison logic
5469         slightly so that each section name is compared against at most once.
5471 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5473         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5474         targets for which -fPIC reduces limitations on the GOT size.
5476 2005-01-09  Falk Hueffner  <falk@debian.org>
5478         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5479         X/C1 cmpop C2.
5481 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5483         PR target/18720
5484         * collect2.c (main): Set aixrtl_flag for -brtl option.
5485         (resolve_lib_name): Search for .so file extension before .a
5486         if aixrtl_flag set.
5488 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5490         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5491         (vect_analyze_data_refs_alignment): Add dump prints.
5493 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5495         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5496         expr_invariant_in_loop_p.
5497         Initialize outputs first thing in the function.
5498         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5499         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5500         (vect_analyze_pointer_ref_access): Check that the initial condition of
5501         the access function is loop invariant.
5503 2005-01-09  Richard Henderson  <rth@redhat.com>
5505         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5506         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5507         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5508         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5509         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5510         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5511         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5512         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5513         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5514         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5515         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5516         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5517         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5518         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5519         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5520         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5521         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5522         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5523         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5524         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5525         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5526         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5527         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5528         mmx_ prefix.
5529         (mmx_clrdi, pavgusb): Remove.
5530         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5531         with leading sse_ prefix.
5532         * config/i386/sse.md: Receive them.
5533         * config/i386/mmx.md: New file.
5534         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5535         (subrv2sf3): Turn into expander for normal subtraction.
5536         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5537         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5538         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5539         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5540         commutative; use ix86_binary_operator_ok.
5541         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5542         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5543         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5544         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5545         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5546         Macroize from existing patterns; use ix86_binary_operator_ok.
5547         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5548         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5549         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5550         with vec_select+vec_concat.
5551         (mmx_pshufw, mmx_pshufw_1): Likewise.
5552         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5553         (mmx_uavgv4hi3): Model correctly.
5554         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5555         _mm_xor_si64): Remove casts.
5557 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5559         PR tree-optimization/19224
5560         * tree-scalar-evolution.c (get_instantiated_value,
5561         set_instantiated_value): New functions.
5562         (instantiate_parameters_1): Cache the results.
5563         (instantiate_parameters, resolve_mixers): Initialize and free
5564         the cache.
5566 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5568         * config/i386/i386.md (addhi_4): Correct reference in comment.
5569         (addqi_4): Same.
5571 2005-01-08  Richard Henderson  <rth@redhat.com>
5573         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5574         (_mm_cvtsi128_si64x): Likewise.
5575         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5576         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5577         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5578         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5579         * config/i386/i386-protos.h: Update.
5580         * config/i386/i386.c (print_operand): Add 'H'.
5581         (ix86_fixup_binary_operands): Split out from ...
5582         (ix86_expand_binary_operator): ... here.
5583         (ix86_fixup_binary_operands_no_copy): New.
5584         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5585         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5586         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5587         (safe_vector_operand): Use CONST0_RTX.
5588         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5589         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5590         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5591         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5592         special cases.
5593         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5594         (IX86_BUILTIN_CMPNGESS): New.
5595         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5596         (attr type): Add sselog1.
5597         (attr unit, attr memory): Handle it.
5598         (movti, movti_internal, movti_rex64): Move near other integer moves.
5599         (movtf, movtf_internal): Move near other fp moves.
5600         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5601         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5602         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5603         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5604         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5605         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5606         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5607         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5608         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5609         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5610         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5611         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5612         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5613         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5614         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5615         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5616         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5617         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5618         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5619         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5620         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5621         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5622         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5623         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5624         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5625         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5626         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5627         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5628         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5629         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5630         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5631         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5632         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5633         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5634         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5635         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5636         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5637         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5638         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5639         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5640         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5641         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5642         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
5643         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5644         same time.
5645         (SSEPUSH, push<SSEPUSH>): Remove.
5646         (MMXPUSH, push<MMXPUSH>): Remove.
5647         (sse_movaps, sse_movaps_1, sse_movups): Remove.
5648         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5649         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5650         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5651         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5652         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5653         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5654         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5655         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5656         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5657         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5658         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
5659         (ppro_sse_log_V4SF): Handle sselog1.
5660         * config/i386/predicates.md (const_0_to_1_operand): New.
5661         (const_0_to_255_mul_8_operand): New.
5662         (const_1_to_31_operand): Rename from const_int_1_31_operand.
5663         (const_2_to_3_operand, const_4_to_7_operand): New.
5664         * config/i386/sse.md: New file.
5665         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5666         (sse_movups): Rename from sse_movups_1.
5667         (sse_loadlss): Rename from sse_loadss_1.
5668         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5669         from the name.
5670         (negv4sf2): Use ix86_expand_fp_absneg_operator.
5671         (absv4sf2, negv2df, absv2df): New.
5672         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5673         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5674         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5675         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5676         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5677         (sse3_addsubv4sf3): Model correctly.
5678         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5679         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5680         (sse_movhlps): Model with vec_select+vec_concat.
5681         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5682         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5683         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5684         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5685         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5686         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5687         sse2_pshufhw_1): Likewise.
5688         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5689         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5690         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5691         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5692         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5693         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5694         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5695         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5696         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5697         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5698         sminv8hi3): Mark commutative
5699         operands.  Use ix86_binary_operator_ok.
5700         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5701         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5702         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5703         sse2_punpcklqdq): Allow operand2 in memory.
5704         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5705         sse2_movsd): Add memory alternatives.
5706         (sse_storelps): Turn expander into an insn; split after reload.
5707         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5708         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5710 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5712         * configure.ac (DWARF-2 debug_line): Use objdump.
5713         * configure: Regenerate.
5715 2005-01-08  Jeff Law  <law@redhat.com>
5716             Diego Novillo  <dnovillo@redhat.com>
5718         PR tree-optimization/18241
5719         * tree-nrv.c (tree_nrv): Ignore volatile return values.
5720         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5721         statements with volatile operands.
5722         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5723         operands after marking a statement with has_volatile_ops.
5725 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5727         * tree.c (int_fits_type_p): Always honor integer constant
5728         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5730 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5732         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5733         the latent bug in rtl_delete_block has been resolved.
5735 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5737         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5738         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5740 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5742         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5743         library as @multilib_dir@/$(SHLIB_SONAME).
5745 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5747         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5748         * configure: Regenerate.
5750 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5752         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5753         TYPE_MODE.
5755 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
5757         PR target/13674
5758         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5759         Convert non-word aligned offset address using ld/std into
5760         indirect address.
5762 2005-01-07  Richard Henderson  <rth@redhat.com>
5764         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5766 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
5768         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5770 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5772         PR tree-optimization/19283
5773         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5774         is not shorter than the original type.
5776         PR rtl-optimization/19012
5777         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5779         PR rtl-optimization/18861
5780         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5781         (FULL_STATE): Define.
5782         (mark_tablejump_edge): New function.
5783         (purge_dead_tablejump_edges): New function.
5784         (find_bb_boundaries): Use it.
5786         PR tree-optimization/18828
5787         * builtins.c (expand_builtin_next_arg): Remove argument and all
5788         the argument checking.
5789         (expand_builtin): Adjust caller.
5790         (expand_builtin_va_start): Likewise.  Remove error for too many
5791         arguments.
5792         (fold_builtin_next_arg): Issue error for too many arguments.
5793         After checking arguments, replace them with magic arguments that
5794         prevent further checking of the args.
5796 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5798         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5800 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5802         PR target/6077
5803         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5804         and %{.S:...} (and their negative variants) to test whether the
5805         input file is assembler or pre-processed-assembler independent of
5806         the actual filename extension.
5808 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5810         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5811         of sign or zero extended values.
5813 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5815         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5816         for IBM long double format correctly.
5818 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5820         Fix PR tree-optimization/18792
5822         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5823         to first_loop_depth, and use loop depth instead of loop number.
5824         (build_classic_dir_vector): Ditto.
5825         (compute_data_dependences_for_loop): Use depth, not loop number.
5826         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5827         number. Pass in loops, instead of loop numbers.
5828         (gather_interchange_stats): Ditto.
5829         (linear_transform_loops): Ditto.
5831 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5833         PR rtl-opt/13299
5834         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5835         biv_fits_mode_p, extension_within_bounds_p): New functions.
5836         (check_ext_dependent_givs): Use them.
5838 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5840         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5841         more than one barrier, in which case we should delete them all.
5843 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5845         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5847 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
5849         Fix PR middle-end/19286
5850         Fix PR debug/19267
5851         * dwarf2out.c (gen_subprogram_die): If we've already tried to
5852         output this subprogram, simply ignore this attempt to do it again.
5853         (add_abstract_origin_attribute): Don't abort trying to add the abstract
5854         origin attribute if it's not possible.
5855         (gen_block_die): Don't ignore subblocks of "unused" blocks.
5856         (decls_for_scope): Ditto.
5857         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5858         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5860 2005-01-05  Richard Henderson  <rth@redhat.com>
5862         PR target/11327
5863         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5864         (bdesc_2arg): Use it.
5865         (ix86_expand_binop_builtin): Force operands into registers
5866         when optimizing.
5867         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5868         ix86_expand_sse_compare, ix86_expand_sse_comi,
5869         ix86_expand_builtin): Likewise.
5871 2005-01-05  Richard Henderson  <rth@redhat.com>
5873         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5874         and VEC_SELECT.
5875         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5876         (mulv4hi3): Set itanium_class mmmul.
5877         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5878         (fpack): Rename from fpack_sfsf.
5880 2005-01-05  Richard Henderson  <rth@redhat.com>
5882         PR rtl-opt/10692
5883         * reload1.c (do_input_reload): Restrict the optimization deleteing
5884         a previous output reload to RELOAD_FOR_INPUT.
5886 2005-01-05  Steven Bosscher  <stevenb@suse.de>
5888         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
5889         comment that we fall through after case.
5890         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5891         (distribute_links): Likewise.
5892         * cse.c (cse_insn): Likewise.
5893         * cselib.c (cselib_invalidate_mem): Likewise.
5894         * df.c: Update comments at the top of the file.
5895         (read_modify_subreg_p): Update comments here too.
5896         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5897         * flow.c (mark_set_1): Likewise.
5898         (mark_used_regs): Likewise.
5899         * gcse.c (mems_conflict_for_gcse_p): Likewise.
5900         (canon_list_insert): Likewise.
5901         (mark_set): Likewise.
5902         (try_replace_reg): Likewise.
5903         (store_killed_in_insn): Likewise.
5904         * loop.c (count_one_set): Likewise.
5905         (basic_induction_var): Likewise.
5906         * postreload-gcse.c (find_mem_conflicts): Likewise.
5907         * postreload.c (reload_combine_note_store): Likewise.
5908         (move2add_note_store): Likewise.
5909         * reload.c (find_equiv_reg): Likewise.
5910         (mark_referenced_resources): Likewise.
5911         * rtlanal.c (set_noop_p): Likewise.
5912         (note_stores): Likewise.
5913         (note_uses): Likewise.
5914         * sched-deps.c (sched_analyze_1): Likewise.
5915         * sched-rgn.c (check_live_1): Likewise.
5916         (update_live_1): Likewise.
5917         * config/i860/i860.c: Likewise.
5919         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5920         an lvalue.
5921         (ZERO_EXTRACT): Mention that this one can be an lvalue.
5923         * doc/rtl.texi: Update documentation for bit-fields and SET.
5925 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5927         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5929 2005-01-05  Jan Hubicka  <jh@suse.cz>
5930             Richard Henderson  <rth@redhat.com>
5932         PR target/18910
5933         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5934         with an offset.
5936 2005-01-05  Richard Henderson  <rth@redhat.com>
5938         PR target/12902
5939         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5940         (sse_shufps): Change operand 3 to const_int_operand.
5941         (sse2_storelps): Fix typo in template.
5942         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5943         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5944         (ix86_expand_builtin): Likewise.
5946 2005-01-05  Julian Brown  <julian@codesourcery.com>
5948         * config/arm/arm.c (arm_return_in_memory): Treat complex types
5949         as aggregates for AAPCS ABIs.
5951 2005-01-05  Stan Shebs  <shebs@apple.com>
5953         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5954         Mach-O getters if ppc64.
5955         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5956         size argument.
5957         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5958         signed four-byte field for global code case.
5959         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5961 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5963         PR middle-end/19100
5964         * c-common.c: Include real.h.
5965         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5966         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5967         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5968         * Makefile.in (c-common.o): Update dependencies.
5970 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5972         * c-parse.in (asm_string): Add trailing semicolon.
5974 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5976         * c-parse.in (asm_string): New.  Don't allow wide strings in
5977         'asm'.
5978         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5979         asm_string instead of STRING.
5981 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5983         * c-typeck.c (constructor_no_implicit): Remove.
5984         (set_designator, process_init_element): Don't check
5985         constructor_no_implicit.
5987 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
5988             Kaz Kojima  <kkojima@gcc.gnu.org>
5990         PR target/16482
5991         * lcm.c (create_pre_exit): New.
5992         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5993         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
5995 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5997         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5998         -msoft-float in target_float_switch.
5999         * arm.c (arm_override_options): Fix processing of target_float_switch.
6001 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
6003         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
6004         preferencing.
6006 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
6008         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
6009         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
6011 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6013         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
6014         if deleting the then-block allows the test-block to fallthru to the
6015         else-block.
6017 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
6019         PR c/19152
6020         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
6021         after the full declaration if the are in two different TUs.
6023 2005-01-04  Richard Henderson  <rth@redhat.com>
6025         PR tree-opt/19158
6026         * tree-sra.c (generate_one_element_init): Just
6027         call gimplify_and_add.
6028         (generate_element_init): Record the
6029         new referenced variables and mark them for renaming
6030         and split out to ...
6031         (generate_element_init_1): This.
6032         (scalarize_init): Don't call push_gimplify_context/
6033         pop_gimplify_context.
6035 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6037         * toplev.c (get_src_pwd): Handle failure of getpwd().
6039 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6041         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6042         of TRUTH_NOT_EXPR.
6043         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6044         all the cases handled by it are inverted by invert_truthvalue.
6046 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6048         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6049         (save_register_windowsi): Likewise.
6051 2005-01-04  Richard Henderson  <rth@redhat.com>
6053         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6055 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6057         PR middle-end/17767
6058         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6059         any simplifications of vector mode comparison operators.
6060         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6062 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6063             Devang Patel  <dpatel@apple.com>
6065         PR tree-optimization/18308
6066         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6067         the operands before creating a new expression.
6068         * dojump.c (do_jump): Make drop_through_label available
6069         for all cases.  Add expansion of COND_EXPR.
6071 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6073         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6074         INTEGER_CST instead of TREE_CONSTANT.
6075         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6076         instead of TREE_CONSTANT.
6077         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6078         instead of TREE_CONSTANT.
6080 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6082         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6084 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6086         PR target/19240
6087         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6088         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6090 2005-01-03  Richard Henderson  <rth@redhat.com>
6092         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6093         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6094         fold_convert_const_real_from_real): Split out from ...
6095         (fold_convert_const): ... here.
6097 2005-01-03  Richard Henderson  <rth@redhat.com>
6099         PR target/19235
6100         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6101         (mov<MMXMODEI>_internal): Likewise.
6102         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6103         Add V2SF case; use it for SSE1; don't use TI.
6104         (movdf_integer): Likewise.
6105         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6107 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6109         * tree-vectorizer.c (vect_strip_conversions): New function.
6110         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6111         check for binary class.
6113 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6115         Fix PR debug/17924
6116         Fix PR debug/19191
6117         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6118         is a decl.
6119         * gimple-low.c (mark_blocks_with_used_vars): New function.
6120         (mark_blocks_with_used_subblocks): Ditto.
6121         (mark_used_blocks): Ditto.
6122         (pass_mark_used_blocks): New pass.
6123         * tree-inline.c: Include debug.h.
6124         (expand_call_inline): Call outlining_inline_function here.
6125         * tree-optimize.c (init_tree_optimization_passes): Add
6126         pass_mark_used_blocks.
6127         * tree-pass.h (pass_mark_used_blocks): New.
6128         * Makefile.in (tree-inline.o): Add debug.h dependency.
6130 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6132         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6133         VAR_DECLs to have weak_import attribute.
6135         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6136         'struct ucontext'.
6138 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6140         * passes.c (rest_of_compilation): Don't run regmove if only
6141         flag_expensive_optimizations, require flag_regmove instead.
6143 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6145         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6146         register "sparc".
6147         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6148         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6149         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6150         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6152 2005-01-03  Richard Henderson  <rth@redhat.com>
6154         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6155         (ia64_const_ok_for_letter_p): New.
6156         (ia64_const_double_ok_for_letter_p): New.
6157         (ia64_extra_constraint): New.
6158         (ia64_expand_vecint_compare): New.
6159         (ia64_expand_vcondu_v2si): New.
6160         (ia64_expand_vecint_cmov): New.
6161         (ia64_expand_vecint_minmax): New.
6162         (ia64_print_operand): Add 'v'.
6163         (ia64_preferred_reload_class): New.
6164         (ia64_vector_mode_supported_p): New.
6165         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6166         (PREFERRED_RELOAD_CLASS): Move to function.
6167         (CONST_OK_FOR_LETTER_P): Move to function.
6168         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6169         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6170         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6171         (EXTRA_CONSTRAINT): Move to function.
6172         * config/ia64/ia64.md: Include vect.md.
6173         (itanium_class): Add mmalua.
6174         (type): Handle it.
6175         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6176         (1b_mmalua): New.
6177         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6178         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6179         CONST0_RTX.
6180         (const_int_2bit_operand): New.
6181         (fr_reg_or_0_operand): New.
6182         * config/ia64/ia64-modes.def: Add vector modes.
6183         * config/ia64/ia64-protos.h: Update.
6184         * config/ia64/vect.md: New file.
6186 2005-01-03  Richard Henderson  <rth@redhat.com>
6188         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6190 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6192         PR target/19236
6193         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6194         to SFmode.
6195         (log1pdf2): Change mode of operands[0,1] to DFmode.
6197 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6199         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6200         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6201         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6202         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6203         SPARC_RELAXED_ORDERING.
6205 2005-01-03  Richard Henderson  <rth@redhat.com>
6206             Uros Bizjak  <uros@kss-loka.si>
6208         PR target/14631
6209         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6210         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6211         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6212         handling.
6213         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6214         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6215         const_pow2_1_to_128_operand): New predicates.
6217 2005-01-02  Greg McGary  <greg@mcgary.org>
6219         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6220         anonymous decls.
6221         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6222         object.  [ptr_type]: Remove unused variable.
6223         Remember nearest addressable array-element or record-component
6224         when checking bitfield components.  Tolerate empty BIND_EXPR.
6226 2005-01-01  Richard Henderson  <rth@redhat.com>
6228         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6229         that don't narrow the value.  Fail for other conversions.
6231 2005-01-01  Richard Henderson  <rth@redhat.com>
6233         PR c/19031
6234         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6235         * c-lang.c (finish_file): Don't do it here.
6236         * objc/objc-act.c (objc_finish_file): Likewise.
6238         * cgraph.c (decl_assembler_name_equal): New.
6239         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6240         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6241         * cgraph.h (struct cgraph_varpool_node): Add next.
6242         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6243         * varasm.c (assemble_alias): Mark the target as needed.
6245 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6247         PR middle-end/19221
6248         * function.c (get_arg_pointer_save_area): Use entry_of_function
6249         instead of get_insns.
6251 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6252             Andrew Pinski  <pinskia@physics.uc.edu>
6253             James E. Wilson  <wilson@specifixinc.com>
6255         PR rtl-optimization/12092
6256         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6257         is zero.
6259 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6260             Olivier Hainque  <hainque@act-europe.fr>
6262         * tree.c (int_fits_type_p): A narrower type always fits in a
6263         wider one, except for negative values into unsigned types.
6265 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6267         * tree.c (int_fits_type_p): Compare the result of force_fit_type
6268         with the original constant rather than require TREE_OVERFLOW.
6270 2005-01-01  Steven Bosscher  <stevenb@suse.de>
6272         PR middle-end/17544
6273         * c-decl.c (finish_function): If compiling C99, annotate the
6274         compiler generated return with the current file name and line 0.
6275         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6276         the source line is greater than 0.
6277         (remove_bb): Likewise.
6279 See ChangeLog.12 for earlier changes.