* Patch from 2005-03-08 reverted for causing regressions and
[official-gcc.git] / gcc / ChangeLog
blob1f052fc9d29e9fac8f00cbef0cdbcd02264fc1a5
1 2005-03-08  Julian Brown  <julian@codesourcery.com>
3         * Patch from 2005-03-08 reverted for causing regressions and
4         ppc-darwin bootstrap failure.
6 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
8         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn): 
9         Define the real function for ppc-darwin.
10         * c-typeck.c (convert_arguments): Check for target-specific
11         invalid argument call to unprototyped function.
12         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN): 
13         New Macro.
14         * target.h (invalid_arg_for_unprototyped_fn): New field 
15         in struct calls.
16         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New 
17         default target hook.
18         * targhooks.h (hook_invalid_arg_for_unprototyped_fn): 
19         Declare.
21 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
23         * c-typeck.c (constructor_stack, constructor_range_stack,
24         initializer_stack): Make them static.
26         * cfg.c (rbi_pool): Make it static.
28         * gimple-low.c (lower_stmt_body): Make it static.
29         * tree-flow.h: Remove the corresponding prototype.  Don't
30         declare lower_data.
32         * sched-deps.c (cache_size): Make it static.
34         * stor-layout.c (lang_adjust_rli): Make it static.
36 2005-03-08  Julian Brown  <julian@codesourcery.com>
38         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
39         from being used for symbols with vague linkage when
40         HAVE_GAS_COMDAT_GROUP is true.
42 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
44         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
45         nlabel == JUMP_LABEL (jump).
47 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
49         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
50         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
51         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
52         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
54 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
56         PR c/14411
57         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
58         * c-common.c (handle_returns_twice): New function.
59         (c_common_attribute_table): Declare eturns_twice' attribute.
60         * doc/extend.texi: Document eturns_twice' attribute.
61         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
62         (struct tree_decl): Add returns_twice_flag.
64 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
66         * tree-ssa-phiopt.c: Fix a comment typo.
68         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
69         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
70         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
71         copyright.
73 2005-03-08  Richard Henderson  <rth@redhat.com>
75         * config/alpha/alpha.c (code_for_builtin): Replace special-case
76         builtin codes with ctzdi2, clzdi2, popcountdi2.
77         (struct alpha_builtin_def): Add is_const.
78         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
79         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
80         (alpha_init_builtins): Init them.  Set nothrow and const attributes
81         on builtins.
82         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot, 
83         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx, 
84         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh, 
85         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
86         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
87         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
88         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
89         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
90         (TARGET_FOLD_BUILTIN): New.
91         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
92         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
93         (ffsdi2): Use ctz.
94         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
96 2005-03-08  Ira Rosen  <irar@il.ibm.com>
98         PR tree-optimization/20122
99         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
100         condition of access function instead of base.
102 2005-03-07  Jeff Law  <law@redhat.com>
103             Steven Bosscher  <stevenb@suse.de>
105         * tree-cfg.c (find_taken_edge_computed_goto): New function.
106         (find_taken_edge): Call find_taken_edge_computed_goto as
107         appropriate.  Allow any gimple invariant rather than just
108         INTEGER_CST for VAL.
109         (cleanup_control_flow): Cleanup a computed goto which has turned
110         into a simple goto.
111         (tree_merge_blocks): If block B has any forced labels, move
112         them to the start of block A.
113         * tree-ssa-dom.c (thread_across_edge): Allow threading across
114         computed gotos as well.
115         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
116         removal of unnecessary computed gotos too.
117         (lookup_redirection_data): Fix type of INSERT argument.  Callers
118         updated.
120 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
122         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
123         Remove trailing spaces.
125         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
126         unshare_all_trees): Make them static.
127         * tree-gimple.h: Remove the corresponding prototypes.
129         * diagnostic.h: Remove unused prototype
130         debug_output_buffer.
131         * modulo-sched.c: Remove unused prototype
132         set_row_column_for_ps.
134         * tree-ssa-phiopt.c (tree_ssa_phiopt,
135         replace_phi_edge_with_variable): Remove unused variable i.
137 2005-03-07  Per Bothner  <per@bothner.com>
139         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
141 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
142         
143         PR tree-opt/17671
144         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
145         bbs on the COND_EXPR instead of the PHI_NODEs.
146         (candidate_bb_for_phi_optimization): Remove.
147         (replace_phi_with_stmt): Rename to ...
148         (replace_phi_edge_with_variable): this and change so that we
149         replace the phi argument instead of removing the PHI.
150         (conditional_replacement): Change so we deal with PHI with more
151         than two arguments.
152         (value_replacement): Likewise.
153         (abs_replacement): Likewise.
155 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
157         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
158         output_e500_flip_gt_bit.
160         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
161         as bit 31.
162         (rs6000_generate_compare): Fix logic to look at the correct bits.
163         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
164         Look at GT bit.
165         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
166         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
167         gen_move_from_CR_gt_bit.
169         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
170         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
171         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
173         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
174         (E500_CR_IOR_COMPARE): New constant.
176 2005-03-08  Earl Chew <earl_chew@agilent.com>
177             David Billinghurst <David.Billinghurst@riotinto.com>
179         * config/i386/host-cygwin.c: New file to support precompiled
180         headers on cygwin
181         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
182         * config.host: Use above files for cygwin host.
184 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
186         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
187         ordering ops from earlier change.
189 2005-03-07  Per Bothner  <per@bothner.com>
191         Various fixes to allow us to again build if --enable-mapped-location:
192         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
193         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
194         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
195         local variable loc. Change logic appropriately.
196         * tree-vect-transform.c (vect_finish_stmt_generation): Use
197         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.    
198         * c-parser.c (c_parser_for_statement): Initialize loc variable.
199         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
200         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
202 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
204         PR rtl-optimization/19683
205         * reload1.c (choose_reload_regs): Pass the number of bits, not the
206         number of bytes, to smallest_int_for_mode.  Fix arguments to
207         REG_CANNOT_CHANGE_MODE_P.
209 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
211         * reorg.c (relax_delay_slots): Check that the jump is
212         conditional before trying to invert it.
214 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
216         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
217         Make them static.
219         * calls (stack_arg_under_construction): Make it static.
221         * flow.c (regs_live_at_setjmp): Make it static.
222         * flow.h: Remove the corresponding prototype.
224         * reload1.c (reload_startobj, reload_firstobj,
225         something_needs_operands_changed, reload_inherited,
226         reload_inheritance_insn, reload_override_in,
227         reload_spill_index): Make them static.
229         * recog.c (verify_changes): Make it static.
230         * recog.h: Remove the corresponding prototype.
232         * cfgbuild.c (find_sub_basic_blocks): Remove.
233         * basic-block.h: Remove the corresponding prototype.
234         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
235         in comments.
236         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
238         * tree-ssa-operands.c (check_build_stmt): Remove.
240         * stor-layout.c (set_alignment): Remove.
241         * tree.h: Remove the corresponding prototype.
243         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
245         * tree-ssa-dce.c (control_dependence_map,
246         visited_control_parents): Make them static.
248         * cfghooks.c (verify_flow_info): Remove local variable
249         num_bb_notes.
251         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
252         last_bb_seen.
254         * loop-unswitch.c (unswitch_loop): Remove local variable src.
256 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
258         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
260 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
262         * config/ia64/hpux.h (LINK_SPEC): Add -z.
263         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
264         PARALLEL for an empty structure.
266 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
268         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
270         * fold-const.c (fold_binary): Unroll the very first "for"
271         loop.
273 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
275         * config/rs6000/predicates.md (branch_comparison_operator): Remove
276         redundant match_code test.
277         (scc_comparison_operator): Swap match_operand and match_code
278         tests.
279         (branch_positive_comparison_operator): Same.
280         (trap_comparison_operator): Use comparison_operator and swap with
281         match_code test.
283 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
285         PR target/20288
286         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
287         (out_movhi_r_mr): Read low byte of volatile MEM first.
288         (out_movhi_mr_r): Write high byte of volatile MEM first.
290 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
292         * cselib.c (reg_values, reg_values_size): Make them static.
294         * cse.c (cse_reg_info_table): Make it static.
296         * fold-const.c (fold_unary): Use build1 instead of copy_node.
298 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
300         * cse.c (find_best_addr): Use canon_for_address.
302 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
304         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
305         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
306         SUBREG and MEM, respectively.
308         * fold-const.c (fold_binary): Use code instead of t.
310         * fold-const.c (optimize_minmax_comparison): Take decomposed
311         arguments code, type, op0, and op1 instead of t.
312         (fold_binary): Update a call to optimize_minmax_comparison.
314         * fold-const.c (fold_range_test): Take decomposed arguments
315         code, type, op0, and op1 instead of t.
316         (fold_binary): Update a call to fold_range_test.
318         * fold-const.c (fold_binary_op_with_conditional_arg): Take
319         decomposed arguments code, type, op0, and op1 instead of t.
320         (fold_binary): Update a call to fold_range_test.
322 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
324         * fold-const.c (fold_binary): Avoid directly using the original
325         expression t as much as possible.
327 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
329         * c-semantics.c (build_stmt): Use TYPE_P instead of
330         IS_NON_TYPE_CODE_CLASS.
331         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
332         (NON_TYPE_CHECK): Use TYPE_P instead of
333         IS_NON_TYPE_CODE_CLASS.
335         * fold-const.c (fold): Remove handling of binary expressions.
337 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
339         * doc/c-tree.texi: Wrap comments in @r{}.
340         * doc/cpp.texi: Likewise.
341         * doc/cppinternals.texi: Likewise.
342         * doc/extend.texi: Likewise.
343         * doc/md.texi: Likewise.
344         * doc/objc.texi: Likewise.
345         * doc/sourcebuild.texi: Likewise.
346         * doc/tm.texi: Likewise.
347         * doc/tree-ssa.texi
349 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
351         * predict.c (apply_return_prediction): Standardize PHI chain
352         walking.
353         * tree-ssa.c (ssa_redirect_edge): Likewise.
355         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
356         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
357         Update copyright.
359         * tree-phinodes.c (remove_phi_node): Drop the last argument.
360         * tree-flow.h: Adjust the prototype for remove_phi_node.
361         * lambda-code.c (perfect_nestify): Adjust a call to
362         remove_phi_node.
363         * tree-cfg.c
364         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
365         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
366         Likewise.
367         * tree-ssa-dce.c (remove_dead_phis): Likewise.
368         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
369         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
370         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
372         * combine.c (simplify_and_const_int): Use gen_int_mode instead
373         of GEN_INT (trunc_int_for_mode (...)).
374         * loop-iv.c (iv_number_of_iterations): Likewise.
375         * postreload.c (reload_cse_move2add): Likewise.
376         * simplify-rtx.c (simplify_const_unary_operation,
377         simplify_const_binary_operation): Likewise.
378         * stor-layout.c (get_mode_bounds): Likewise.
380         * fold-const.c (fold_binary): New.
381         (fold): Call fold_binary on binary expressions.
383 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
385         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
386         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
387         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
388         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
389         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
391 2005-03-04  Devang Patel  <dpatel@apple.com>
392         
393         PR tree-optimization/18815
394         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
395         loops with zero exit edges.
397 2005-03-04  Devang Patel  <dpatel@apple.com>
399         * doc/invoke.texi: Remove reference to webpage that does not exist.
400         
401 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
402             Joseph S. Myers  <joseph@codesourcery.com>
404         PR c++/19797
405         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
406         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
407         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
408         * pa.c (get_plabel): Change argument to symbol_ref.  Call
409         maybe_get_identifier instead of get_identifier.
410         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
411         (struct deferred_plabel): Replace name field with symbol field.
412         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
413         ASM_OUTPUT_EXTERNAL_REAL is defined.
414         (output_global_address): Use output_addr_const for output of all
415         symbol_refs.
416         (output_deferred_plabels): Use symbol_ref instead of name for address
417         output.
418         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
419         ASM_OUTPUT_SYMBOL_REF): New macros.
420         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
421         comment.
422         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
423         label.
425 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
427         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
428         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
430 2005-03-04  Jeff Law  <law@redhat.com>
432         * basic-block.h (rediscover_loops_after_threading): Declare.
433         * tree-ssa-dom.c: Include cfgloop.h.
434         (tree_ssa_dominator_optimize): Discover loops and some basic
435         properties.  Remove forwarder blocks recreated by loop header
436         canonicalization.  Also mark backedges in the CFG.
437         * tree-ssa-threadupdate.c: Include cfgloop.h
438         (rediscover_loops_after_threading): Define.
439         (struct local_info): New field, JUMP_THREADED.
440         (prune_undesirable_thread_requests): New function.
441         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
442         then record that fact for the callers of redirct_edges.
443         (thread_block): If BB has incoming backedges, then call
444         prune_undesirable_thraed_requests.    Note when we are
445         going to have to rediscover loop information.  Return a
446         boolean indicating if any jumps were threaded.
447         (thread_through_all_blocks): Bubble up boolean indicating
448         if any jumps were threaded.
449         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
450         (tree-ssa-threadupdate.o): Similarly.
452 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
454         * fold-const.c (fold_ternary): Unroll the "for" loop to
455         extract operands.  
457 2005-03-04  Andrew Haley  <aph@redhat.com>
459         * unwind-dw2-fde-glibc.c (struct
460         unw_eh_callback_data.check_cache): New field.
461         (frame_hdr_cache): New.
462         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
463         Cache frame header info.
465 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
467         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
468         (print_c_condition): Declare.
469         * read-rtl.c (ptr_loc): New structure.
470         (ptr_locs, ptr_loc_obstack, joined_conditions)
471         (joined_conditions_obstack): New variables.
472         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
473         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
474         (join_c_conditions, print_c_condition): New functions.
475         (apply_macro_to_string): Associate the new string with the same
476         source location as the old one.
477         (add_condition_to_string): Use join_c_conditions.
478         (read_string): Use set_rtx_ptr_loc to record a filename and line
479         number for the string.
480         (read_rtx): Initialize the new variables above.
481         * genattrtab.c (write_test_expr, write_attr_value): Use
482         print_c_condition.
483         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
484         comment above the GCC_VERSION check.
485         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
486         Inline the definition of MAYBE_EVAL.
487         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
488         * genoutput.c (process_template): Likewise.
489         * genpreds.c (write_predicate_subfunction): Likewise.
490         (write_predicate_expr): Use print_c_condition.
491         * genrecog.c (write_cond): Likewise.
492         * gensupport.c (process_rtx): Use join_c_conditions to join the
493         conditions of a define_insn_and_split.  Record a source location
494         for the string after the "&&".
495         (alter_test_for_insn): Use join_c_conditions.
497 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
499         Revert for now:
500         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
501         PR tree-optimization/15784
502         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
503         and -1 - A to ~A.
505 2005-03-04  Ben Elliston  <bje@au.ibm.com>
507         * gcc.c (option_map): Add --coverage.
508         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
509         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
510         * config/darwin.h: Pass -lgcov for `coverage'.
511         * doc/invoke.texi (Debugging Options): Document --coverage.
513 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
515         * gcse.c (bypass_block): Use find_edge wherever possible.
517 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
519         Fix PR debug/20253
520         
521         * c-opts.c (c_common_parse_file): Call start_source_file
522         and end_source_file at the approriate times.
524         * dwarf2out.c (dwarf2out_finish): Don't auto-end
525         the main file, it will be done for us now.
526         
527 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
529         * fold-const.c (fold_ternary): New.
530         (fold): Call fold_ternary on ternary expressions.  Remove
531         handling of ternary expressions.
533 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
535         PR tree-optimization/15784
536         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
537         and -1 - A to ~A.
539 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
541         * config/rs6000/predicates.md (branch_comparison_operator):
542         Convert from C block to conditional format.
544 2005-03-03  Jan Hubicka  <jh@suse.cz>
546         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
547         and non-constant public variables.
549 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
551         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
552         with LABEL_EXPR.
554         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
555         EDGE_I.
557         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
558         calls to release_ssa_name and release_phi_node.
560         * fold-const.c (fold): Remove handling of unary expressions.
562         * fold-const.c (fold_unary): Avoid directly using the original
563         expression t as much as possible.
565 2005-03-03  Roger Sayle  <roger@eyesopen.com>
566             Andrew Pinski  <pinskia@physics.uc.edu>
568         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
569         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
571 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
573         Describe special registers SRP and MOF as allocatable registers.
574         * config/cris/cris.c (cris_md_asm_clobbers): New function.
575         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
576         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
577         TARGET_HAS_MUL_INSNS.
578         (cris_print_operand) <case 'd'>: New case.
579         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
580         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
581         define.
582         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
583         (REG_ALLOC_ORDER): Update for MOF.
584         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
585         SPECIAL_REGS.
586         (GENERAL_REGS): No longer a define of ALL_REGS.
587         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
588         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
589         Adjust accordingly.
590         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
591         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
592         (SECONDARY_RELOAD_CLASS): Define.
593         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
594         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
595         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
596         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
597         (REGISTER_MOVE_COST): Define.
598         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
599         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
600         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
601         (CRIS_MOF_REGNUM): New define_constants.
602         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
603         special registers.
604         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
605         New patterns.
606         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
607         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
608         Adjust for MOF being properly described as a register.
609         (indir_to_reg_split): Name this split.  Conditionalize on the
610         destination register being a general register.
611         (movei): Conditionalize on on operands 0 and 1 having the same
612         register class.
614 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
616         PR target/20277
617         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
618         -mcpu to override any other explicitly given flags.
620 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
622         * recog.c (verify_changes, confirm_change_group): New functions,
623         broken out of apply_change_group.
624         (apply_change_group): Use them.
625         * recog.h (verify_change, confirm_change_group): Declare.
626         * rtl.h (redirect_jump_2): Declare.
627         * jump.c (redirect_exp, invert_exp): Delete.
628         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
629         (redirect_jump_2): New function, broken out of redirect_jump.
630         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
631         (invert_jump): Use invert_jump_1 and redirect_jump_2.
632         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
634 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
636         * varasm.c (named_section): Use xstrdup rather than doing it by
637         hand.
639         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
641 2005-03-02  Devang Patel  <dpatel@apple.com>
642         
643         Undo PR tree-optimization/18815 fix.
644         
645 2005-03-02  Devang Patel  <dpatel@apple.com>
647         PR tree-optimization/18815
648         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
649         loops with zero exit edges.
650         
651 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
653         * cfg.c (connect_src, connect_dest, disconnect_src,
654         disconnct_dest): New.
655         (unchecked_make_edge, remove_edge, redirect_edge_succ,
656         redirect_edge_pred): Use the new functions.
658         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
659         free_dominance_info only when needed.
661 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
663         PR target/20276
664         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
665         (reg_or_sub_cint64_operand): Same.
667 2005-03-02  Jeff Law  <law@redhat.com>
669         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
670         CFG_ALTERED in the main DOM iteration loop.
672 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
674         PR c++/19916
675         * varasm.c (initializer_constant_valid_p): Allow conversions
676         between OFFSET_TYPEs.  Tidy.
678 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
680         * config/cris/cris.md ("return"): Remove epilogue delay list
681         sanity check.
683 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
685         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
686         for Thumb.
687         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
689 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
691         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
692         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
693         config/m68k/m68k.c, config/mips/mips.h,
694         config/rs6000/rs6000-protos.h, doc/contrib.texi,
695         doc/include/gcc-common.texi: Update copyright.
697         PR middle-end/18029 and PR middle-end/18030
698         * expr.c (optimize_bitfield_assignment_op): Add a special case
699         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
701         * fold-const.c (fold_unary): New.
702         (fold): Call fold_unary on unary expressions.
704 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
706         * cgraph.h (struct cgraph_edge): Add prev_caller and
707         prev_callee fields.
708         (cgraph_node_remove_callees): Export.
709         * cgraph.c (cgraph_create_edge): Initialize prev_caller
710         and prev_callee.
711         (cgraph_edge_remove_callee): New function.
712         (cgraph_edge_remove_caller): Likewise.
713         (cgraph_remove_edge): Use.
714         (cgraph_redirect_edge_callee): Likewise.
715         (cgraph_node_remove_callees): New function.
716         (cgraph_node_remove_callers): Likewise.
717         (cgraph_remove_node): Use.
718         * tree-optimize.c (tree_rest_of_compilation): Use
719         cgraph_node_remove_callees instead of manual loop.
720         * cgraphunit.c (cgraph_finalize_function): Likewise.
721         (cgraph_expand_function): Likewise.
722         (cgraph_remove_unreachable_nodes): Likewise.
724 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
726         PR c/8927
727         * c-tree.h (undeclared_variable, build_external_ref): Add extra
728         argument.
729         * c-decl.c (undeclared_variable): Take location as argument.
730         * c-typeck.c (build_external_ref): Likewise.
731         * c-parser.c (c_parser_postfix_expression): Pass location of
732         identifier to build_external_ref.
734 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
736         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
737         CCEQ mode for branch_positive_comparison_operator test.
738         * config/rs6000/predicates (branch_comparison_operator): Revert to
739         define_predicate.
740         (scc_comparison_operator): Same.
741         (branch_positive_comparison_operator): Same.
743 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
745         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
746         (cris_delay_slots_for_epilogue): Remove.
747         (save_last): Move into cris_target_asm_function_epilogue.
748         (cris_target_asm_function_epilogue): Remove tests for file being
749         NULL.
750         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
751         (cris_delay_slots_for_epilogue): Remove prototypes.
752         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
753         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
755 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
757         * config/rs6000/predicates.md (branch_comparison_operator): Change
758         to define_special_predicate.
759         (scc_comparison_operator): Same.
760         (branch_positive_comparison_operator): Same.
762 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
764         * Makefile.in (tree-ssa-sink.o): New.
765         (OBJS-common): Add tree-ssa-sink.o.
766         * common.opt: Add -ftree-sink
767         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
768         * timevar.def (TV_TREE_SINK): new timevar.
769         * tree-flow.h (is_hidden_global_store): Prototype.
770         * tree-optimize.c (init_tree_optimization_passes): Add
771         pass_sink_code.
772         * tree-pass.h (pass_sink_code): New.
773         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
774         for non-obvious global store store to is_hidden_global_store, and
775         call that new function.
776         * tree-ssa-sink.c: New file.
777         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
778         * doc/passes.texi: Document forward store motion.
779         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
780         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
781         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
782         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
784 2005-03-01  Per Bothner  <per@bothner.com>
786         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
787         and we have a non-zero column-number, add it to the message.
788         Also factor out the diagnostic_kind_text.
790 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
792         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
793         flow_loop_pre_header_scan, flow_loop_pre_header_find,
794         flow_loop_scan): Removed.
795         (flow_loop_dump): Do not dump removed fields.
796         (flow_loop_free): Do not free removed fields.
797         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
798         (loop_exit_edge_p): New function.
799         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
800         num_pre_header_edges, entry_edges, num_entries, exit_edges,
801         num_exits, exits_doms.
802         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
803         LOOP_EDGES, LOOP_ALL): Removed.
804         (flow_loop_scan): Declaration removed.
805         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
806         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
807         flow_loops_find.
808         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
809         (if_convert): Call flow_loops_find and flow_loops_free
810         when calling mark_loop_exit_edges.
811         * cfgloopanal.c (mark_loop_exit_edges): Moved from
812         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
813         free_dominance_info calls.
814         * loop-init.c (flow_loops_find): Ditto.
815         * passes.c (rest_of_handle_branch_prob): Ditto.
816         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
817         * loop-unroll.c (analyze_insns_in_loop): Do not use
818         EDGE_LOOP_EXIT.
819         * predict.c (predict_loops): Do not call flow_loop_scan.
820         Use get_loop_exit_edges.
821         (tree_estimate_probability): Do not pass flags to flow_loops_find.
822         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
823         Do not use EDGE_LOOP_EXIT.
824         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
825         to bb_with_exit_edge_p.
826         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
827         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
828         to bb_with_exit_edge_p.
829         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
830         EDGE_LOOP_EXIT.
831         * tree-loop-linear.c (linear_transform_loops): Do not call
832         flow_loop_scan.  Use loop->single_exit.
833         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
834         (vect_analyze_loop_form): Do not call flow_loop_scan.
835         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
836         loop->single_exit.
837         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
838         loop->single_exit.
839         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
840         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
841         slpeel_tree_duplicate_loop_to_edge_cfg,
842         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
843         Use loop_preheader_edge and loop->single_exit.  Do not call
844         flow_loop_scan.
846 2005-03-01  Nick Clifton  <nickc@redhat.com>
848         * config/arm/arm.c (thumb_find_work_register): Check all of the
849         argument registers to see if they are free, and a couple of
850         special cases where the last argument register but can be proved
851         to be available during the function's prologue.
852         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
853         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
854         thumb_unexpanded_epilogue): Use unsigned long as the type for the
855         register bit-mask.
856         (thumb_compute_save_reg_mask): Likewise.  Also use
857         thumb_find_work_register() to ensure that there is agreement about
858         which work register is going to be used in the prologue.
859         (thumb_output_function_prologue): Use unsigned long as the type
860         for the register bit-mask.  Also delay pushing the link register if
861         other high registers are going to be pushed.
862         (thumb_compute_save_reg_mask, emit_multi_reg_push,
863         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
864         redundant prototypes.
866 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
868         PR target/19819
869         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
870         and after reload in REG+REG indexed addresses without REG_POINTER
871         set in the base and not set in the index.
873 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
875         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
876         Don't undefine here.
877         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
878         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
879         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
880         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
881         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
882         Delete.
883         * config.gcc (sh*-*-linux*): Use config/linux.h.
885 2005-02-28  Dale Johannesen  <dalej@apple.com>
886             Stan Shebs  <shebs@apple.com>
888         Rewrite of 64-bit Darwin structure-by-value pass/return.
889         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
890         intoffset, use_stack, named.
891         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
892         (rs6000_darwin64_record_arg_advance_flush):  New.
893         (rs6000_darwin64_record_arg_advance_recurse): New.
894         (rs6000_darwin64_record_arg_flush):  New.
895         (rs6000_darwin64_record_arg_recurse):  New.
896         (rs6000_darwin64_record_arg):  New.
897         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
898         (function_arg_boundary):  Handle 128-bit aligned structs.
899         (function_arg_advance):  Rewrite darwin64 struct handling.
900         (function_arg):  Call rs6000_darwin64_record_arg.
901         (function_arg_partial_nregs):  Handle darwin64 structs.
902         (rs6000_darwin64_function_value):  Remove.
903         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
905 2005-02-28  Roger Sayle  <roger@eyesopen.com>
907         PR tree-optimization/20216
908         * tree-chrec.c (tree_fold_factorial): Delete.
909         (tree_fold_binomial): Change argument list to take a return type
910         and change the type of K to unsigned int.  Rewrite to avoid explicit
911         evaluation of factorials, and (recursively) calling fold to perform
912         compile-time arithmetic.  Return NULL on (internal) overflow.
913         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
914         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
915         if any intermediate calculation overflows.
916         (chrec_apply): Update call to chrec_evaluate.
918 2005-02-28  James E Wilson  <wilson@specifixinc.com>
920         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
922 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
924         PR c/20245
925         * c-parser.c (c_parser_compound_statement): Return error_mark_node
926         instead of NULL_TREE on error.
928 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
930         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
931         (EASY_VECTOR_15_ADD_SELF): Remove.
932         (num_insns_constant_wide): Not static.
933         (validate_condition_mode): Not static.
934         (toc_relative_expr_p): Not static.
935         (legitimate_indirect_address_p): Not static.
936         (macho_lo_sum_memory_operand): Not static.
937         (invalid_e500_subreg): Not static.
938         (easy_vector_same): Not static.
939         (easy_vector_splat_const): Not static.
940         (RS6000_SYMBOL_REF_TLS_P): Remove.
941         (any_operand): Delete.
942         (any_parallel_operand): Delete.
943         (count_register_operand): Delete.
944         (altivec_register_operand): Delete.
945         (xer_operand): Delete.
946         (s8bit_cint_operand): Delete.
947         (short_cint_operand): Delete.
948         (u_short_cint_operand): Delete.
949         (non_short_cint_operand): Delete.
950         (exact_log2_cint_operand): Delete.
951         (gpc_reg_operand): Delete.
952         (cc_reg_operand): Delete.
953         (cc_reg_not_cr0_operand): Delete.
954         (reg_or_short_operand): Delete.
955         (reg_or_neg_short_operand): Delete.
956         (reg_or_aligned_short_operand): Delete.
957         (reg_or_u_short_operand): Delete.
958         (reg_or_cint_operand): Delete.
959         (reg_or_arith_cint_operand): Delete.
960         (reg_or_add_cint64_operand): Delete.
961         (reg_or_sub_cint64_operand): Delete.
962         (reg_or_logical_cint_operand): Delete.
963         (got_operand): Delete.
964         (got_no_const_operand): Delete.
965         (easy_fp_constant): Delete.
966         (easy_vector_constant): Delete.
967         (easy_vector_constant_add_self): Delete.
968         (zero_constant): Delete.
969         (zero_fp_constant): Delete.
970         (volatile_mem_operand): Delete.
971         (offsettable_mem_operand): Delete.
972         (mem_or_easy_const_operand): Delete.
973         (add_operand): Delete.
974         (non_add_cint_operand): Delete.
975         (logical_operand): Delete.
976         (non_logical_cint_operand): Delete.
977         (mask_operand): Delete.
978         (mask_operand_wrap): Delete.
979         (mask64_operand): Delete.
980         (mask64_2_operand): Delete.
981         (and64_operand): Delete.
982         (and64_2_operand): Delete.
983         (and_operand): Delete.
984         (reg_or_mem_operand): Delete.
985         (lwa_operand): Delete.
986         (symbol_ref_operand): Delete.
987         (call_operand): Delete.
988         (current_file_function_operand): Delete.
989         (input_operand): Delete.
990         (rs6000_nonimmediate_operand): Delete.
991         (rs6000_tls_symbol_ref): Delete.
992         (save_world_operation): Delete.
993         (restore_world_operation): Delete.
994         (load_multiple_operation): Delete.
995         (store_multiple_operation): Delete.
996         (vrsave_operation): Delete.
997         (mfcr_operation): Delete.
998         (mtcrf_operation): Delete.
999         (lmw_operation): Delete.
1000         (stmw_operation): Delete.
1001         (branch_comparison_operator): Delete.
1002         (branch_positive_comparison_operator): Delete.
1003         (scc_comparison_operator): Delete.
1004         (trap_comparison_operator): Delete.
1005         (boolean_operator): Delete.
1006         (boolean_or_operator): Delete.
1007         (min_max_operator): Delete.
1008         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
1009         (EASY_VECTOR_15): Moved to here.
1010         (EASY_VECTOR_15_ADD_SELF): Move to here.
1011         (PREDICATE_CODES): Delete.
1012         * config/rs6000/rs6000-protos.h: Delete predicate functions.
1013         Declare functions no longer static.
1014         * config/rs6000/predicates.md: New.
1015         * config/rs6000/rs6000.md: Include predicates.md
1017 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
1019         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
1020         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
1021         REG_ALWAYS_RETURN.
1022         * cfgrtl.c (need_fake_edge_p): Likewise.
1023         * combine.c (distribute_notes): Likewise.
1024         * emit-rtl.c (try_split): Likewise.
1025         * recog.c (peephole2_opimize): Likewise.
1026         * reg-notes.def (ALWAYS_RETURN): Remove.
1027         * rtl.h (LCT_ALWAYS_RETURN): Remove.
1028         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
1029         * tree.h (ECF_ALWAYS_RETURN): Remove.
1031 2005-02-28  Roger Sayle  <roger@eyesopen.com>
1033         PR middle-end/19874
1034         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
1035         between different machine modes is never a "useless" conversion.
1037 2005-02-28  Geert Bosch  <bosch@gnat.com>
1039         PR ada/15977
1040         * doc/contrib.texi: List contributors for Ada front end
1042 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
1044         * simplify-rtx.c (simplify_unary_operation_1,
1045         simplify_const_unary_operation): New, extracted from...
1046         (simplify_unary_operation): ... this one.
1047         (simplify_binary_operation_1,
1048         simplify_const_binary_operation): New, extracted from...
1049         (simplify_binary_operation): ... this one.
1050         * rtl.h (simplify_const_unary_operation,
1051         simplify_const_binary_operation): Add prototypes.
1053 2005-02-28  Julian Brown  <julian@codesourcery.com>
1055         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
1056         building libjava and caused PR regression/20228.
1058 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
1060         PR bootstrap/17383
1061         * Makefile.in (host_subdir): New.
1062         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
1063         * configure: Regenerate.
1065 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
1067         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
1068         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
1069         installation directory first.
1071 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
1073         PR target/19065.
1074         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
1075         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
1076         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
1077         * config/cris/cris.md: Tweak comments referring to Q.
1078         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
1079         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
1080         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
1081         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
1082         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
1083         Insert spaces in constraints to align alternatives vertically for
1084         readability.
1085         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
1086         operand 1: "M".
1088 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1090         PR rtl-optimization/17728
1091         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
1092         operand 0 from general_operand to move_dest_operand.
1094 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1096         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
1097         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
1098         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
1099         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
1101 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
1103         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
1104         * configure: Regenerate.
1105         * libada-mk.in: Remove CC; rename
1106         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
1108 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
1110         PR tree-opt/20188
1111         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
1112         for the lhs, also walk over the tree.  Likewise for rhs.
1114 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
1116         * tree-ssa-dom.c (simple_iv_increment_p): New function.
1117         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
1118         Do not propagate value of iv before increment over the increment.
1120 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
1122         * c-parser.c: New file.
1123         * c-parse.in: Remove.
1124         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
1125         Remove.
1126         (c-parser.o): Add dependencies.
1127         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
1128         maintainer-clean, TAGS): Update.
1129         * c-config-lang.in (gtfiles): Update.
1130         * gengtype-lex.l: Don't handle "@@".
1131         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
1132         objc_build_synchronized, objc_begin_try_stmt,
1133         objc_begin_catch_clause, objc_finish_catch_clause,
1134         objc_build_finally_clause, objc_finish_try_stmt): New.
1135         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
1136         type_seen_p.
1137         (c_parse_init): Update comment.
1138         * c-decl.c (c_init_decl_processing): Update comment.
1139         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
1140         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
1141         new c_declspecs members.
1143 2005-02-25  Julian Brown  <julian@codesourcery.com>
1145         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1146         from being used for symbols with vague linkage when
1147         HAVE_GAS_COMDAT_GROUP is true.
1149 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1151         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
1153 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
1155         PR target/19930
1156         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
1157         (LIBGCC2_HAS_DF_MODE): New.
1158         (LIBGCC2_HAS_XF_MODE): New.
1159         (LIBGCC2_HAS_TF_MODE): New.
1160         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1161         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1162         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
1163         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
1164         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
1165         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
1166         and add _fixtfdi, _fixunstfdi, _floatditf
1167         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
1168         L_fixunstfdi, L_floatditf.
1169         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
1170         (LIBGCC2_HAS_TF_MODE): Define.
1172 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
1174         PR tree-optimization/20204
1175         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
1176         REWRITE_THIS_STMT markers on PHI nodes.
1177         (rewrite_initialize_block): Likewise.
1179 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
1181         * version.c (version_string): Update to 4.1.
1183 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
1185         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
1186         Clarify that the alternative way doesn't work in GNU C++.
1188 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
1190         PR tree-optimization/19937
1191         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
1192         to the type of the induction variable.
1194 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1196         PR rtl-optimization/20117
1197         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
1198         the block including noncopyable insn.
1200 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1202         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
1203         calls to find_reg_note.
1205 2005-02-24  Richard Henderson  <rth@redhat.com>
1207         PR tree-opt/20127
1208         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
1209         the type.
1211 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
1213         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
1214         vector types if to use base reg for misaligned non-word ld/std.
1216 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1218         PR target/14619
1219         * config/cris/cris.c (cris_target_asm_function_prologue): Create
1220         dwarf2 label manually and put it after, not before the prologue.
1222 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
1224         PR target/19019
1225         * reload.c (operands_match_p): Only increment register number for
1226         SCALAR_INT_MODE_P modes in multiple hard registers.
1228         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
1229         Fix formatting.
1231 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1233         * ChangeLog.5: Fix log message typo(s).
1234         * ChangeLog.7: Likewise.
1235         * ChangeLog.tree-ssa: Likewise.
1236         * cfgexpand.c: Fix comment typo(s).
1237         * conflict.c: Likewise.
1238         * defaults.h: Likewise.
1239         * dwarf2out.c: Likewise.
1240         * gcse.c: Likewise.
1241         * ggc-page.c: Likewise.
1242         * tree-eh.c: Likewise.
1243         * tree-ssa-dom.c: Likewise.
1245 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
1247         PR target/19019
1248         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
1249         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
1250         if SHARED is defined.
1252         PR target/20196
1253         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
1254         allow splitting only if operands 0 and 3 don't overlap.
1256 2005-02-24  Richard Henderson  <rth@redhat.com>
1258         PR middle-end/19953
1259         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
1260         (fold_builtin_1): Call them.
1261         * fold-const.c (fold_complex_mult_parts): Split out from ...
1262         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
1263         (fold_complex_div_parts, fold_complex_div): New.
1264         (fold): Use them.
1265         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
1267 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1269         * tree-ssa-ccp.c (visit_assignment): Verify that result of
1270         VIEW_CONVERT_EXPR is_gimple_min_invariant.
1272         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
1273         (print_node): Likewise.
1274         Print TYPE_SIZES_GIMPLIFIED.
1276 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
1278         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
1279         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
1280         operands as commutative in constraints.
1282 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1284         * tree-into-ssa.c: Re-organize internal functions.
1286 2005-02-24  Richard Henderson  <rth@redhat.com>
1288         PR middle-end/18902
1289         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1290         for c99.
1291         * common.opt (fcx-limited-range): New.
1292         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1293         * toplev.c (flag_complex_method): Initialize to 1.
1294         (process_options): Set flag_complex_method to 0 if
1295         flag_cx_limited_range.
1296         * doc/invoke.texi (-fcx-limited-range): New.
1298 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1300         * cse.c (delete_trivially_dead_insns): Speed up by using
1301         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1302         prev_real_insn.
1304 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1306         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1307         functions when -mid-shared-library is being used.
1309 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1311         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1312         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1313         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1314         * system.h: Poison LINK_LIBGCC_SPECIAL.
1316 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1318         * gengtype.c (note_insn_name): Make 1 element larger.
1320 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1322         PR target/20018
1323         PR rtl-optimization/20097
1324         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1325         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1327 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1329         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1330         * t-aix52 (SHLIB_INSTALL): Same.
1332 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1334         * genpreds.c: Update copyright.
1336 2005-02-23  Michael Beach  <michaelb@ieee.org>
1338         PR target/20159
1339         * config/sparc/t-elf (startup files): Assemble with CPP.
1341 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1343         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1344         (write_predicate_expr): Likewise.
1346 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1348         PR tree-optimization/20100
1349         PR tree-optimization/20115
1350         * tree-optimize.c (init_tree_optimization_passes): Remove
1351         pass_maybe_create_global_var.
1352         * tree-pass.h (pass_maybe_create_global_var): Remove.
1353         * tree-ssa-alias.c (aliases_computed_p): Declare.
1354         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1355         (count_calls_and_maybe_create_global_var): Remove.
1356         (pass_maybe_create_global_var): Remove.
1357         (init_alias_info): Do not declare aliases_computed_p.
1358         (maybe_create_global_var): If the function contains no
1359         call-clobbered variables and a mix of pure/const and regular
1360         function calls, create .GLOBAL_VAR.
1361         Mark all call-clobbered variables for renaming.
1362         (merge_pointed_to_info): Update comment.
1363         (add_pointed_to_var): Likewise.
1364         (is_escape_site): Likewise.
1365         Accept struct alias_info * instead of size_t *.
1366         Update all users.
1367         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1368         as necessary.
1369         * tree-ssa-operands.c (get_call_expr_operands): If
1370         ALIASES_COMPUTED_P is false, do not add call-clobbering
1371         operands.
1372         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1373         (delete_tree_ssa): Likewise.
1375 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1377         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1378         (do_compile): Do call it here.
1380 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1382         PR rtl-optimization/20017.
1383         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1384         rest_of_handle_cse2, rest_of_handle_gcse): Call
1385         delete_dead_jumptables immediately before calling cleanup_cfg.
1387 2005-02-22  Devang Patel  <dpatel@apple.com>
1389         PR 19952
1390         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1391         all labels
1393 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1395         * config/rs6000/aix.h (WINT_TYPE): Define.
1397 2005-02-22  Stan Shebs  <shebs@apple.com>
1399         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1400         natural alignment for 64-bit Darwin.
1401         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1402         on 64-bit Darwin.
1403         * doc/invoke.texi: Document this.
1405 2005-02-22  DJ Delorie  <dj@redhat.com>
1407         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1408         to make_[un]signed_type, not the mode itself.
1410 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1412         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1413         not available.  Use tail calls wherever possible.
1414         (make_edge): Call unchecked_make_edge to create an edge.
1416         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1417         (coalesce_ssa_name): Don't check for
1418         SSANORM_USE_COALESCE_LIST.
1419         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1421 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1423         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1424         (rewrite_into_ssa): ... here.
1426 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1428         PR tree-optimization/19786
1429         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1430         tag to another's may-alias bitmap when adding to the other's list.
1432 2005-02-21  DJ Delorie  <dj@redhat.com>
1434         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1435         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1436         registers in unsupported ways.
1437         * expmed.c (init_expmed): Likewise.
1439 2005-02-21  Stan Cox  <scox@redhat.com>
1441         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1443 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1445         * tree-cfg.c (fold_cond_expr_cond): New.
1446         (make_edges): Call fold_cond_expr_cond.
1447         (find_taken_edge): Accept nothing but INTEGER_CST.
1448         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1449         and 1.
1450         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1452         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1453         that do not belong to any basic block.
1455 2005-02-21  Jeff Law  <law@redhat.com>
1457         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1458         e->dest.
1460 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1462         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1463         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1464         Adjust their definitions.
1465         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1466         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1468         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1469         genautomata.c, langhooks.c, langhooks.h, system.h,
1470         config/arm/lib1funcs.asm: Update copyright.
1472 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1474         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1476 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1478         PR bootstrap/13770
1479         * doc/install.texi: Document --with-gc.
1481 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1483         * simplify-rtx.c (simplify_unary_operation): Add a missing
1484         "break" statement.
1486 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1488         PR tree-optimization/18663
1489         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1490         if the type has variable bounds.
1492 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1494         * gcse.c: Remove an obsolete comment.
1496         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1498 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1500         * doc/extend.texi (Function Attributes) <Attribute const>: The
1501         attribute "pure" is below this text, not above.
1503 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1505         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1506         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1507         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1509 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1511         PR 18785
1512         * langhooks.h (struct lang_hooks): Add to_target_charset.
1513         * langhooks.c (lhd_to_target_charset): New function.
1514         * langhooks-def.h: Declare lhd_to_target_charset.
1515         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1516         (LANG_HOOKS_INITIALIZER): Update.
1517         * c-common.c (c_common_to_target_charset): New function.
1518         * c-common.h: Declare it.
1519         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1520         c_common_to_target_charset.
1522         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1523         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1524         Delete definitions.
1525         * system.h: Poison them.
1526         * doc/tm.texi: Don't discuss them.
1527         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1528         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1529         (pp_c_char): Do not attempt to generate letter escapes for
1530         newline, tab, etc.
1531         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1532         * config/mips/mips.c (mips_output_ascii): Likewise.
1534 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1536         PR tree-optimization/19951
1537         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1538         is abnormal.
1540 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1542         PR middle-end/19698
1543         * function.h (struct function): New field `max_loop_depth'.
1544         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1545         (flow_loops_find): Reset the max loop depth count before finding loops.
1546         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1547         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1548         (calculate_global_regs_live): Make sure the loop will terminate
1549         when the initial sets are not empty.
1551 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1553         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1554         object inside.
1555         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1557 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1559         PR other/19525
1560         * doc/invoke.texi: Remove documentation of %M spec.
1561         * gcc.c: Likewise.
1562         (init_spec): Remove %M suffix from -lgcc_s.
1563         (do_spec_1): Remove 'M' case.
1564         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1565         to put shared libraries in the multilib directory.  Remove the
1566         shlib_so_soname substitution variable.  Don't add a multilib encoding
1567         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1568         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1569         SHLIB_INSTALL as well as SHLIB_LINK.
1570         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1571         (SHLIB_NAME): Delete.
1572         (SHLIB_DIR): New macro.
1573         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1574         (SHLIB_INSTALL): Adjust accordingly.
1575         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1576         * config/t-slibgcc-sld: Likewise.
1577         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1578         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1579         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1580         in $(SHLIB_DIR).
1581         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1582         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1583         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1584         Use @shlib_base_name@ instead of @shlib_so_name@.
1585         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1586         and @shlib_base_name@.so in @multilib_dir@.
1587         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1588         to the install path.
1589         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1590         (SHLIB_LINK): Remove previous workaround.
1591         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1592         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1593         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1594         the install path.
1595         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1596         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1597         (SHLIB_INSTALL): Adjust accordingly.
1598         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1599         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1600         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1601         config/t-slibgcc-elf-ver.
1603 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1604             Jakub Jelinek  <jakub@redhat.com>
1606         PR tree-optimization/19828
1607         * tree-ssa-loop-im.c: Add a TODO comment.
1608         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1609         without side-effects.
1611 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1613         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1614         call fold_convert.
1616 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1618         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1619         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1620         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1621         functions.
1622         (ia64_reorg): Delete fixup_errata call.
1623         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1624         (TARGET_SWITCHES): Delete -mb-step entry.
1626 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1628         PR c/20043
1629         * c-typeck.c (composite_type): Handle quals in transparent unions.
1630         (type_lists_compatible_p): Likewise.
1632 2005-02-18  Stan Shebs  <shebs@apple.com>
1634         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1635         expressions in the .literal8 section.
1637 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1639         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1641 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1643         * fold-const.c (constant_boolean_node): Always create values of the
1644         specified type, don't bother calling truthvalue_conversion.
1646 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1648         * except.c (output_function_exception_table): Call
1649         assemble_external_libcall (eh_personality_libfunc).
1651 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1653         PR target/19886
1654         * config/ia64/ia64.h (struct machine_function): Add state_num.
1655         * config/ia64/ia64.c (process_epilogue,
1656         process_for_unwind_directive): Use new unwind state numbers each
1657         time rather than state 1.
1659 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1661         PR target/20054
1662         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1663         before the "*llgt_didi" pattern.
1665 2005-02-18  Jason Merrill  <jason@redhat.com>
1667         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1669 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1671         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1672         (div0): Use it in place of ARM_FUNC_ALIAS.
1673         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1675 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1677         PR middle-end/20030
1678         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1679         access, the lower bound of the array type if it exists.
1681 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1683         PR c++/20008
1684         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1685         cases that are out-of-range for the index type.
1687 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1689         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1690         (estimate_case_costs): Don't call convert.
1691         * expmed.c (expand_shift): Likewise.
1692         (make_tree): Call fold_convert instead of convert.
1694 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1696         PR c++/19813
1697         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1698         that ref to be marked MEM_READONLY_P doesn't have base that needs
1699         constructing.
1701 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1703         * genautomata.c (output_get_cpu_unit_code_func,
1704         output_cpu_unit_reservation_p): Don't generate old-style function
1705         definitions.
1707 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1709         PR c++/20023
1710         PR tree-optimization/20009
1711         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1713         PR tree-optimization/18947
1714         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1715         inline, remove all nodes that are inlined into the extern inline
1716         being redefined.
1718 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1720         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1721         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1722         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1723         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1724         Update copyright.
1726 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1728         PR tree-optimization/19917
1729         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1730         to be potentially trapping.
1732 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1734         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1736 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1738         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1739         tem becomes a local variable which is set to the value of the
1740         back end defined INITIAL_FRAME_ADDRESS macro.
1741         (expand_builtin_frame_address): Omit the base parameter to
1742         expand_builtin_return_addr.
1743         (expand_builtin_profile_func): Likewise.
1744         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1745         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1746         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1748 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1750         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1751         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1752         * config/frv/frv.c (frv_function_epilogue): Likewise.
1754 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1756         * lambda-code (perfect_nestify): Remove mark/unmark
1757         for rewriting hack.
1758         * tree-loop-linear.c (linear_transform_loops): Add
1759         rewrite_into_ssa call so that ssa is correct for
1760         rewriting into loop closed.
1762 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1764         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1765         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1766         BITMAP_FREE.
1767         * bt-load.c (btr_def_live_range, combine_btr_defs,
1768         migrate_btr_def, migrate_btr_defs): Likewise.
1769         * cfgcleanup.c (thread_jump): Likewise.
1770         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1771         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1772         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1773         df_rd_local_compute, df_reg_info_compute): Likewise.
1774         * dominance.c (init_dom_info, free_dom_info): Likewise.
1775         * flow.c (init_propagate_block_info,
1776         free_propagate_block_info): Likewise.
1777         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1778         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1779         modify_reg_pav): Likewise.
1780         * loop-invariant.c (find_defs, find_invariant_insn,
1781         find_invariants, free_inv_motion_data): Likewise.
1782         * predict.c (tree_predict_by_opcode,
1783         estimate_bb_frequencies): Likewise.
1784         * stmt.c (expand_case): Likewise.
1785         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1786         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1787         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1788         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1789         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1790         rewrite_ssa_into_ssa): Likewise.
1791         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1792         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1793         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1794         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1795         * tree-sra.c (tree_sra): Likewise.
1796         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1797         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1798         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1799         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1800         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1801         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1802         Likewise.
1803         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1804         calculate_live_on_entry, calculate_live_on_exit,
1805         build_tree_conflict_graph): Likewise.
1806         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1807         record_important_candidates, set_use_iv_cost, find_depends,
1808         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1809         tree_ssa_iv_optimize_finalize): Likewise.
1810         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1811         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1812         tree_duplicate_loop_to_header_edge): Likewise.
1813         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1814         * tree-ssa.c (verify_flow_insensitive_alias_info,
1815         verify_name_tags, verify_ssa, init_tree_ssa,
1816         delete_tree_ssa): Likewise.
1817         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1818         fini_ssanames): Likewise.
1819         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1821 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1823         * config/rs6000/t-rtems: Completely reworked.
1825 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1827         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1829 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1831         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1832         POINTER_TYPE_P when checking that type is a pointer.
1833         (vect_get_memtag): Remove.
1834         (vect_address_analysis): Use POINTER_TYPE_P. Call
1835         vect_object_analysis with dummy parameter for memtag.
1836         (vect_object_analysis): Extract memtag (functionality that
1837         used to be in vect_get_memtag and moved here). Fix printings.
1838         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1839         with correct parameters. Remove call to vect_get_memtag.
1841 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1843         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1844         (tree-vectorizer.o): Added missing dependencies.
1846         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1847         decleration.
1848         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1849         declaration in tree-vectorizer.c, now has an extern declaration in
1850         tree-vectorizer.h).
1851         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1852         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1853         get_vectype_for_scalar_type, vect_is_simple_use,
1854         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1855         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1856         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1857         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1858         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1859         find_loop_location): Likewise.
1861         * tree-vectorizer.c (langhooks.h): #include removed.
1862         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1863         moved to tree-vectorized.h.
1864         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1865         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1866         get_vectype_for_scalar_type, vect_is_simple_use,
1867         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1868         vect_supportable_dr_alignment, new_loop_vec_info,
1869         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1870         vect_set_verbosity_level, find_loop_location): Likewise.
1872         (vect_analyze_loop): Function externalized. Declaration moved to
1873         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1874         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1875         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1876         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1877         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1878         vect_enhance_data_refs_alignment, vect_analyze_operations,
1879         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1880         vect_stmt_relevant_p, vect_get_loop_niters,
1881         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1882         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1883         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1884         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1885         vect_get_memtag): Likewise.
1887         (vectorizable_load): Function externalized. Declaration moved to
1888         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1889         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1890         vect_transform_loop): Likewise.
1891         (vect_transform_stmt): Moved to tree-vect-transform.c.
1892         (vect_align_data_ref, vect_create_destination_var,
1893         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1894         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1895         vect_get_vec_def_for_operand, vect_init_vector,
1896         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1897         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1898         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1899         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1900         vect_do_peeling_for_loop_bound): Likewise.
1902         * tree-vect-analyze.c: New file.
1903         * tree-vect-transform.c: New file.
1905 2005-02-17  Jason Merrill  <jason@redhat.com>
1907         PR mudflap/19319, c++/19317
1908         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1909         slot explicit.
1911 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1913         * doc/install.texi (Specific): Update link for Darwin-specific
1914         tool binary site.
1916 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1918         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1919         constant_boolean_node.
1921 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1923         PR target/19019
1924         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1925         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1927 2005-02-16  Richard Henderson  <rth@redhat.com>
1929         PR 19920
1930         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1931         with W_TYPE_SIZE.
1932         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1933         replace uses with Wtype_MAXp1_F.
1934         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1935         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1936         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1937         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1938         and HAVE_TFMODE as appropriate.
1939         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1940         (__floatdisf): Likewise.
1941         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1942         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1943         (Wtype_MAXp1_F): New.
1944         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1945         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1947 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1949         * PR target/19162
1950         * arm.c (arm_apply_result_size): New function.
1951         * arm.h (APPLY_RESULT_SIZE): Define.
1952         * arm-protos.h (arm_apply_result_size): Add prototype.
1953         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1954         (movxf): New expand.
1955         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1956         (call_value_symbol): Remove predicate for operand 0.
1957         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1958         (untyped_call): Rework to correclty return values for any type.
1959         (untyped_return): New expand.
1960         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1962 2005-02-16  Stan Shebs  <shebs@apple.com>
1964         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1965         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1967 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1969         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1970         configure settings on Solaris 7 and later.
1972 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1974         PR tree-optimization/19865
1975         * tree-optimize.c (init_tree_optimization_passes): Run
1976         pass_may_alias after pass_sra.
1978 2005-02-16  Richard Henderson  <rth@redhat.com>
1979             Stuart Hastings  <stuart@apple.com>
1981         PR debug/19521
1982         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1983         Do nothing if debug info suppressed for this function.
1984         (dbxout_begin_function): Early exit if debug info suppressed for
1985         this function.
1987 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1989         PR target/20007
1990         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1991         find_basic_blocks.
1992         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1994         PR tree-optimization/19967
1995         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1996         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1997         argument TYPE.  Adjust calls to fold_builtin_XXX.
1998         (expand_builtin, fold_builtin_1): Adjust calls to
1999         expand_builtin_XXX.
2000         (fold_builtin_strchr, fold_builtin_strpbrk,
2001         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
2002         result to a requested type TYPE.
2004 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
2006         PR middle-end/19857
2007         * fold-const.c (fold): Don't optimize (T)(x & cst) to
2008         (T)x & (T)cst if (T)cst overflows.
2009         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
2010         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
2012 2005-02-15  Jeff Law  <law@redhat.com>
2014         * gcse.c (blocks_with_calls): New bitmap.
2015         (alloc_gcse_mem): Allocate it.
2016         (free_gcse_mem): Free it.
2017         (clear_modifY_mem_tables): Clear it.
2018         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
2019         when we encounter CALL_INSNs.
2020         (compute_transp, case MEM): Handle blocks with calls separate
2021         from blocks without calls.  Use bitmap iterators rather than
2022         FOR_EACH_BB.
2024 2005-02-15  Peter O'Gorman  <peter@pogma.com>
2026         PR bootstrap/18810
2027         * mklibgcc.in (vis_hide): Use a temporary object file, not
2028         -o /dev/null.
2030 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
2032         PR target/19924
2033         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
2034         access optimization.
2036 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
2037             Alan Modra  <amodra@bigpond.net.au>
2039         PR target/19019
2040         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
2041         (_xlqsub): Rename to __gcc_qsub.
2042         (_xlqmul): Rename to __gcc_qmul.
2043         (_xlqdiv): Rename to __gcc_qdiv.
2044         Provide versioned symbol aliases with old names.
2045         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
2046         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
2047         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
2048         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
2049         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
2051 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2053         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
2054         Fold ~(A - 1) and ~(A + -1) to -A.
2056 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
2058         PR pch/14940
2059         PR target/19300
2060         * config/host-linux.c (linux_gt_pch_use_address): Copy from
2061         config/pa/pa-host.c:pa_gt_pch_use_address.
2063 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
2065         * tree-vn.c (get_value_handle): Make sure that given an
2066         is_gimple_min_invariant expression, we always return it.
2068 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2070         * passes.c (rest_of_handle_gcse): Fix a comment.
2072 2005-02-15  Jeff Law  <law@redhat.com>
2074         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
2075         bitmap.
2076         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
2077         (canon_list_insert, record_last_mem_set_info): Similarly.
2078         (clear_modify_mem_tables): Similarly.
2080 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
2082         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
2083         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
2084         config/mips/mips.md, config/rs6000/aix.h,
2085         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
2087 2005-02-15  Richard Henderson  <rth@redhat.com>
2089         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
2090         call to be best_edge.
2092 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2094         * basic-block.h: Adjust the prototype for find_basic_blocks.
2095         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
2096         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
2097         find_basic_blocks.
2099         * flow.c (recompute_reg_usage): Remove all arguments.
2100         * passes.c (rest_of_compilation): Adjust the call to
2101         recompute_reg_usage.
2102         * rtl.h: Adjust the prototype for recompute_reg_usage.
2104 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
2106         * tree-dump.c (dump_files): Update to reflect new member
2107         of dump_file_info.
2108         (dump_register): Add new argument.
2109         Set glob name.
2110         (dump_switch_p_1): Check against glob name if doglob was passed.
2111         (dump_switch_p): Check against regular first, then glob if
2112         we didn't have any hits on the dump name.
2113         * tree-optimize.c (register_one_dump_file):
2114         Pass in glob name as well.
2115         * tree-pass.h (struct dump_file_info): Add glob
2116         member.
2118 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
2120         PR preprocessor/16323
2121         * doc/invoke.texi: Document that -Wendif-labels is on by default.
2123 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
2125         PR target/19019
2126         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
2127         (trunctfdf2_internal1): New.
2128         (trunctfdf2_internal2): Renamed from trunctfdf2.
2130 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
2132         PR tree-optimization/19853
2133         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
2135 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
2137         * passes.c (rest_of_handle_loop_optimize): Remove calls to
2138         delete_dead_jumptables and cleanup_cfg.
2140 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
2142         * reload.c (find_reloads): Swap address_reloaded flags when
2143         swapping commutative operands.
2145 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
2147         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
2148         Use standard_iv_increment_position for computing the bsi position
2149         for create_iv.
2150         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
2151         the bsi position.
2153 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
2155         PR target/17428
2156         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
2157         life range of hard registers.
2158         * value-prof.c (insn_prefetch_values_to_profile): Only
2159         scan normal insns.
2161         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
2162         profile in libcalls.
2164 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
2166         * bitmap.h (bitmap_and_compl_into): Return bool.
2167         * bitmap.c (bitmap_and_compl_into): Return changed flag.
2169 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2171         PR tree-optimization/19944
2172         * fold-const.c (fold): Re-add ABS_EXPR folding.
2174 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
2176         PR target/19019
2177         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
2178         {TARGET,MASK}_XL_COMPAT.
2179         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
2180         MASK_XL_COMPAT.
2181         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
2182         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
2183         TARGET_XL_COMPAT.
2184         (rs6000_arg_partial_bytes): Same.
2185         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
2186         and XL compatibility enabled.
2187         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
2188         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
2189         test to final condition.
2190         (cmptf_internal2): New.
2191         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
2192         xl-compat.  Add TFmode information to description.
2194 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
2196         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
2198 2005-02-13  Jason Merrill  <jason@redhat.com>
2200         PR c++/16405
2201         * fold-const.c (fold_indirect_ref_1): Split out from...
2202         (build_fold_indirect_ref): Here.
2203         (fold_indirect_ref): New fn.
2204         * tree.h: Declare it.
2205         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
2206         (gimplify_modify_expr_rhs): Likewise.
2207         (gimplify_expr): Likewise.
2209 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
2211         PR tree-optimization/14303
2212         PR tree-optimization/15784
2213         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
2214         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
2215         ABS_EXPR<x> != 0 to x != 0.
2217 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
2219         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
2220         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
2221         spelling conventions.
2223         * passes.c (rest_of_handle_gcse): Don't run cse_main and
2224         delete_trivially_dead_insns too many times.
2226         * passes.c (rest_of_handle_gcse): Remove dead assignments to
2227         tem and tem2.
2229 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2231         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
2232         (vect_is_simple_iv_evolution): Remove redundant parameter
2233         and step check.
2234         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
2235         without last parameter.
2236         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
2237         Return pointer step. Call vect_is_simple_iv_evolution without
2238         last parameter. Check only that the step is multiple of size
2239         type. Remove stmt_vinfo updates.
2240         (vect_get_memtag_and_dr): Remove.
2241         (vect_get_memtag): New function.
2242         (vect_address_analysis): New function.
2243         (vect_object_analysis): New function.
2244         (vect_analyze_data_refs): Call vect_object_analysis and
2245         vect_get_memtag. Update stmt_vinfo fields.
2247 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2249         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
2250         exist and are objects. Remove checks for pointer.
2251         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
2252         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
2253         (vect_create_data_ref_ptr): Likewise.
2254         (vect_base_addr_differ_p): New function.
2255         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
2256         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
2257         Don't set the DR_BASE_NAME field of data-ref.
2258         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
2260 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
2262         * optabs.h (enum optab_index): Add new OTI_ldexp.
2263         (ldexp_optab): Define corresponding macro.
2264         * optabs.c (init_optabs): Initialize ldexp_optab.
2265         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
2266         patterns.
2267         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
2268         using ldexp_optab.
2269         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
2270         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
2272         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
2273         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
2274         intrinsics.
2276 2005-02-12  Ira Rosen  <irar@il.ibm.com>
2278         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
2279         to base_address.
2280         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
2281         stmt_vec_info.
2282         (vect_get_base_and_offset): Always return an address.
2283         (vect_create_addr_base_for_vector_ref): Remove treatment for
2284         different data reference types.
2285         (vect_compute_data_ref_alignment): Rename base to base_address in
2286         stmt_vec_info. Get the object in order to force its alignment.
2287         (vect_get_memtag_and_dr): Rename base to base_address in
2288         stmt_vec_info. Extract the object for memtag analysis.
2290 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2292         PR regression/19898.
2293         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2294         changes cc_status, use apply modified_in_p to part of cc_status
2295         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2296         body.
2298 2005-02-11  Richard Henderson  <rth@redhat.com>
2300         * tree-complex.c (expand_complex_libcall): New.
2301         (expand_complex_multiplication): Use it for c99 compliance.
2302         (expand_complex_division): Likewise.
2303         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2304         (fold): Call them.
2305         * builtins.c (built_in_names): Remove const.
2306         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2307         builtins.
2308         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2309         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2310         (built_in_names): Remove const.
2311         * c-common.c (c_common_type_for_mode): Handle complex modes.
2312         * flags.h, toplev.c (flag_complex_method): Rename from
2313         flag_complex_divide_method.
2314         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2315         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2316         * libgcc2.h: Declare them.
2317         * libgcc-std.ver: Export them.
2318         * mklibgcc.in (lib2funcs): Build them.
2320 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2322         PR tree-optimization/19876
2323         Partially revert my change from 2005-01-14
2324         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2325         (compute_antic): ...and remove the loop here.
2327 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2329         PR middle-end/19858
2330         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2331         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2333         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2334         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2336 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2338         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2339         offsets for the big-endian 32-bit case.
2341 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2343         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2345 2005-02-11  Dale Johannesen  <dalej@apple.com>
2347         * cselib.c (cselib_process_insn):  Clear out regs where
2348         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2349         * reload.c (find_equiv_reg): Ditto.
2351 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2353         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2354         with no elements.
2356         * tree.c (build_function_type_list): Work correctly if there are
2357         no arguments.
2359 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2361         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2362         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2363         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2364         TARGET_ZARCH instead of TARGET_64BIT.
2366 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2368         * config/rs6000/t-rtems:
2369         (MULTILIB_OPTIONS): Remove mcpu=602.
2370         (MUTLILIB_DIRNAMES): Remove m602.
2371         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2372         Let mcpu=602 match mcpu=603.
2373         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2375 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2377         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2378         signal trampolines.
2380 2005-02-10  David Daney  <ddaney@avtrex.com>
2382         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2383         * config/i386/linux-unwind.h: Likewise.
2384         * config/ia64/linux-unwind.h: Likewise.
2385         * config/mips/linux-unwind.h: Likewise.
2386         * config/pa/linux-unwind.h: Likewise.
2387         * config/rs6000/linux-unwind.h: Likewise.
2388         * config/s390/linux-unwind.h: Likewise.
2389         * config/sh/linux-unwind.h: Likewise.
2390         * config/sparc/linux-unwind.h: Likewise.
2392 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2394         PR tree-optimization/17549
2395         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2396         TER to replace a DEF with its expression if the DEF and the
2397         rhs of the expression we replace into have the same root
2398         variable.
2400 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2402         * config/mips/mips.md: Fix the placement of the match_scratch in the
2403         lea64 peephole2.
2405 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2407         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2408         Fix comment typos.
2410 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2412         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2413         (strip_offset): Handle addresses.
2414         (add_address_candidates): Use strip_offset.
2415         (difference_cost): Reflect strip_offset change.
2416         (force_var_cost, difference_cost): Strip nops.
2418 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2420         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2422         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2423         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2424         config/cris/cris-protos.h, config/cris/cris.c: Update
2425         copyright.
2427 2005-02-10  Jeff Law  <law@redhat.com>
2429         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2430         (lookup_avail_expr): Similarly.
2432 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2434         * builtins.c (fold_builtin_powi): New function.
2435         (fold_builtin_1): Call it.
2437 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2439         PR documentation/19309
2440         * doc/cpp.texi: The __GNUC__ and related predefined macros
2441         are also defined for the "standalone" cpp.
2442         Some non-GCC compilers may also define __GNUC__.
2444 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2446         PR c/19342
2447         * c-typeck.c (common_type): New routine.  Old common_type renamed
2448         to...
2449         (c_common_type): ...this.
2450         (build_conditional_expr, build_binary_op): Use c_common_type instead
2451         of common_type.
2453 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2455         * doc/md.texi: Replace @samp{length} with @code{length}.
2457 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2459         PR tree-optimization/18687
2460         * tree-flow.h (find_loop_niter): Declare.
2461         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2462         Try using scev even for loops with more than one exit.
2463         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2464         (struct ivopts_data): Added niters field.
2465         (struct nfe_cache_elt): New.
2466         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2467         functions.
2468         (tree_ssa_iv_optimize_init): Initialize niters cache.
2469         (determine_number_of_iterations): Removed.
2470         (find_induction_variables): Do not call determine_number_of_iterations.
2471         Access niters for single exit through niter_for_single_dom_exit.
2472         (add_iv_outer_candidates): Access niters for single exit through
2473         niter_for_single_dom_exit.
2474         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2475         number_of_iterations_cond.
2476         (iv_period): New function.
2477         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2478         (may_replace_final_value): Take data argument.  Use
2479         niter_for_single_dom_exit.
2480         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2481         (rewrite_use_compare): Pass data to may_eliminate_iv.
2482         (rewrite_use_outer): Pass data to may_replace_final_value.
2483         (free_loop_data): Clean up the niters cache.
2484         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2485         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2486         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2487         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2488         (num_ending_zeros): Moved to tree.c.
2489         * tree.h (num_ending_zeros): Declare.
2490         * tree.c (num_ending_zeros): Moved from tree.c.
2492 2005-02-09  Richard Henderson  <rth@redhat.com>
2494         * builtins.c (DEF_BUILTIN): Add COND argument.
2495         * tree.h (DEF_BUILTIN): Likewise.
2496         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2497         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2498         match.
2499         (DEF_BUILTIN_STUB): New.
2500         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2501         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2502         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2503         * c-common.c (DEF_BUILTIN): Add COND argument.
2504         * tree.c (local_define_builtin): New.
2505         (build_common_builtin_nodes): New.
2507 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2509         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2510         floating point expression ignoring the sign of the result.
2511         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2512         (fold) <MULT_EXPR>: Use it to simplify x*x.
2513         * tree.h (fold_strip_sign_ops): Prototype here.
2514         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2515         argument.  Use fold_strip_sign_ops to simplify the first argument.
2516         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2517         first argument when the second argument is an even integer
2518         constant, but only with -funsafe_math_optimizations.
2519         (fold_builtin_1): Update call to fold_builtin_copysign.
2521 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2523         PR middle-end/19583
2524         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2525         just check whether EH_FILTER_FAILURE falls through.
2527 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2529         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2530         insns return to ready list in the next turn.
2532 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2534         PR middle-end/19402
2535         * builtins.def: New __builtin_powi[lf].
2536         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2537         (expand_builtin_powi): New function.
2538         (expand_builtin): Dispatch to expand_builtin_powi.
2539         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2540         * libgcc2.c: Add __builtin_powi[lf] implementation.
2541         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2542         * optabs.h: Add powi_optab.
2543         * optabs.c (init_optabs): Initialize powi_optab.
2544         * doc/extend.texi: Document __builtin_powi[lf].
2546 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2548         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2549         exists.
2551 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2553         PR middle-end/19854
2554         * fold-const.c (try_move_mult_to_index): Remove redundant
2555         type argument.  Create ADDR_EXPR with correct type.
2556         (fold): Update callers of try_move_mult_to_index.  Convert
2557         result to the appropriate type.
2559 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2561         PR target/19597
2562         * config/avr/avr.c (default_rtx_costs): Delete.
2563         (avr_operand_rtx_cost): New function.
2564         (avr_rtx_costs): Completely rewrite.
2566 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2568         PR target/19806
2569         * config/cris/cris.c (in_code): New variable.
2570         (cris_output_addr_const): Now a static function, a wrapper for
2571         output_addr_const.
2572         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2573         case from old cris_output_addr_const.
2574         (cris_asm_output_label_ref): Similar for LABEL_REF.
2575         (cris_output_addr_const_extra): Similar for UNSPEC.
2576         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2577         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2578         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2579         declaration.
2580         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2581         (cris_asm_output_label_ref): Declare.
2583 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2585         PR preprocessor/19801
2586         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2587         filenames that changed when libcpp was moved to the toplevel.
2589 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2591         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2592         zero extensions of BImode operands.  Call lowpart_subreg instead
2593         of gen_lowpart_common and gen_lowpart_SUBREG.
2595 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2597         PR ada/19489
2598         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2599         * configure.ac: Set cc_for_cross_gnattools.
2600         * configure: Regenerate.
2602 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2604         PR target/19803
2605         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2607 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2609         PR debug/19327
2610         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2611         of nested functions.
2613 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2615         * doc/extend.texi: Document deprecated extensions allowing
2616         static floating-point members to have initializers and allowing
2617         floating-point literals in integral constant expressions.
2619 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2621         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2622         config/darwin7.h, config/mips/mips.c,
2623         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2624         Update copyright.
2626         * cse.c: Update comments.
2628 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2630         PR middle-end/19775
2631         * builtins.c (fold_builtin_sqrt): Transform
2632         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2633         pow(x,y*0.5).
2635 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2636             Dorit Naishlos  <dorit@il.ibm.com>
2638         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2639         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2640         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2641         was added.
2642         * tree.h (vect_set_verbosity_level): New extern function declaration
2643         added.
2644         * tree-vectorizer.h (verbosity_levels): New enum type.
2645         * tree-vectorizer.c (vect_debug_stats): Function removed.
2646         (vect_debug_details): Likewise.
2647         (vect_verbosity_level): Global variable was defined and initialized.
2648         (vect_dump): Global variable definition.
2649         (vect_print_dump_info): New function.
2650         (vect_set_dump_settings): New function.
2651         (vect_set_verbosity_level): New function.
2652         (vectorize_loops): Add call to vect_set_dump_settings.
2654         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2655         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2656         (slpeel_tree_peel_loop_to_edge): Likewise.
2658         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2659         appropriate verbosity level instead of call to vect_debug_details
2660         or vect_debug_stats.
2661         (vect_get_base_and_offset):
2662         (vect_create_addr_base_for_vector_ref):
2663         (get_vectype_for_scalar_type):
2664         (vect_create_data_ref_ptr):
2665         (vect_init_vector):
2666         (vect_get_vec_def_for_operand):
2667         (vect_finish_stmt_generation):
2668         (vectorizable_assignment):
2669         (vectorizable_operation):
2670         (vectorizable_store):
2671         (vectorizable_load):
2672         (vect_transform_stmt):
2673         (vect_update_ivs_after_vectorizer):
2674         (vect_do_peeling_for_loop_bound):
2675         (vect_update_inits_of_drs):
2676         (vect_do_peeling_for_alignment):
2677         (vect_transform_loop):
2678         (vect_is_simple_use):
2679         (vect_analyze_operations):
2680         (vect_is_simple_iv_evolution):
2681         (vect_analyze_scalar_cycles):
2682         (vect_analyze_data_ref_dependence):
2683         (vect_analyze_data_ref_dependences):
2684         (vect_compute_data_ref_alignment):
2685         (vect_enhance_data_refs_alignment):
2686         (vect_analyze_data_refs_alignment):
2687         (vect_analyze_data_ref_access):
2688         (vect_analyze_data_ref_accesses):
2689         (vect_analyze_pointer_ref_access):
2690         (vect_get_memtag_and_dr):
2691         (vect_analyze_data_refs):
2692         (vect_mark_relevant):
2693         (vect_stmt_relevant_p):
2694         (vect_mark_stmts_to_be_vectorized):
2695         (vect_can_advance_ivs_p):
2696         (vect_get_loop_niters):
2697         (vect_analyze_loop_form):
2698         (vect_analyze_loop):
2699         (vectorize_loops): Likewise.
2701         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2702         (vect_update_inits_of_drs):
2703         (vect_do_peeling_for_alignment):
2704         (vect_transform_loop):
2705         (vect_analyze_operations):
2706         (vect_analyze_scalar_cycles):
2707         (vect_analyze_data_ref_dependences):
2708         (vect_analyze_data_refs_alignment):
2709         (vect_analyze_data_ref_accesses):
2710         (vect_analyze_data_refs):
2711         (vect_mark_stmts_to_be_vectorized):
2712         (vect_get_loop_niters):
2713         (vect_analyze_loop_form):
2714         (vect_analyze_loop): Likewise.
2715         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2717 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2719         PR bootstrap/19796
2720         Revert:
2721         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2722         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2723         either -ffast-math or -funsafe-math-optimizations is in use.
2725         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2726         * config/mips/irix-csr.c: New file.
2727         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2728         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2729         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2730         executables.
2732 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2734         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2735         redundant, incorrect definitions.
2737         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2738         expand.
2739         ("*tls_indirect_call"): New, reference hard regs directly.
2740         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2742 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2744         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2745         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2747 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2749         PR rtl-optimization/19800
2750         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2751         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2752         gen_lowpart.
2754 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2756         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2758 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2760         PR other/17135
2761         * doc/invoke.texi: Correct documentation of -freorder-functions.
2763 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2765         PR other/14402
2766         * doc/invoke.texi: Don't mention gccbug.
2768 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2769             Andrew Pinski  <pinskia@physics.uc.edu>
2770             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2772         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2773         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2774         into just (zero_extract:SI FOO (const_int 1) BAR).
2776 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2778         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2779         macro locally.  Don't give last revision date.  Use GCC version
2780         number from gcc-common.texi.
2781         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2782         revision date.  Use GCC version number from gcc-common.texi.
2783         Describe being a library as current state rather than as 3.x
2784         history.
2785         * doc/gcc.texi: Remove last update date.
2786         * doc/gccint.texi: Likewise.  Update copyright dates.
2787         * doc/install.texi: Update copyright dates.
2789 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2791         PR other/7549
2792         * doc/invoke.texi: Mention for each option included in -Wall that
2793         it is included in -Wall.
2794         * doc/gcc.texi: Update copyright and last modification date.
2796 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2798         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2799         unnecessary cast to original induction variable increments.
2801 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2803         PR tree-optimization/18219
2804         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2805         in distributed form.
2807 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2809         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2810         Set bitpos and offset later in the function.  Do nothing if the
2811         target is a register and if the bitfield lies completely outside
2812         that register.
2813         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2814         here.  Return an uninitialised register if the source value is stored
2815         in a register and the bitfield lies completely outside that register.
2817 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2819         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2820         not SET_DEST.
2822 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2824         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2826 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2828         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2829         * config/darwin8.h: New.
2830         * config/darwin7.h: Update comment.
2832 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2833             Dorit Naishlos  <dorit@il.ibm.com>
2835         * tree-vectorizer.h (LOC): New type.
2836         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2837         (loop_line_number): New field in struct _loop_vec_info.
2838         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2840         * tree-vectorizer.c (input.h): Included.
2841         (find_loop_location): New function.
2842         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2843         loop line number removed.
2844         (vect_debug_details): Likewise.
2845         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2847         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2848         call to vect_debug_details/stats changed from loop to loop_loc.
2849         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2850         (slpeel_tree_peel_loop_to_edge): Likewise.
2852         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2853         changed from NULL to UNKNOWN_LOC.
2854         (vect_get_base_and_offset):
2855         (vect_create_addr_base_for_vector_ref):
2856         (get_vectype_for_scalar_type):
2857         (vect_create_data_ref_ptr):
2858         (vect_init_vector):
2859         (vect_get_vec_def_for_operand):
2860         (vect_finish_stmt_generation):
2861         (vectorizable_assignment):
2862         (vectorizable_operation):
2863         (vectorizable_store):
2864         (vectorizable_load):
2865         (vect_transform_stmt):
2866         (vect_update_ivs_after_vectorizer):
2867         (vect_do_peeling_for_loop_bound):
2868         (vect_do_peeling_for_alignment):
2869         (vect_transform_loop):
2870         (vect_is_simple_use):
2871         (vect_analyze_operations):
2872         (vect_is_simple_iv_evolution):
2873         (vect_analyze_scalar_cycles):
2874         (vect_analyze_data_ref_dependences):
2875         (vect_compute_data_ref_alignment):
2876         (vect_enhance_data_refs_alignment):
2877         (vect_analyze_data_ref_access):
2878         (vect_analyze_data_ref_accesses):
2879         (vect_analyze_pointer_ref_access):
2880         (vect_get_memtag_and_dr):
2881         (vect_analyze_data_refs):
2882         (vect_mark_relevant):
2883         (vect_stmt_relevant_p):
2884         (vect_mark_stmts_to_be_vectorized):
2885         (vect_can_advance_ivs_p):
2886         (vect_get_loop_niters):
2887         (vect_analyze_loop):
2888         (vectorize_loops): Likewise.
2890         (vectorizable_load): Argument in call to vect_debug_details/stats
2891         changed from loop to LOOP_LOC (loop_vinfo).
2892         (vect_transform_loop):
2893         (vect_analyze_operations):
2894         (vect_analyze_scalar_cycles):
2895         (vect_analyze_data_ref_dependence):
2896         (vect_enhance_data_refs_alignment):
2897         (vect_analyze_data_ref_accesses):
2898         (vect_analyze_pointer_ref_access):
2899         (vect_analyze_data_refs):
2900         (vect_analyze_loop): Likewise.
2902         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2903         changed from loop to loop_loc.
2905         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2907 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2908             Dorit Naishlos  <dorit@il.ibm.com>
2910         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2911         declaration added.
2912         (vect_analyze_data_ref_dependences): Likewise.
2914         (vect_is_simple_use): Argument changed from loop structure to
2915         loop_vect_info structure.
2916         (vect_can_advance_ivs_p): Likewise.
2917         (vect_create_index_for_vector_ref): Likewise.
2918         (vect_update_ivs_after_vectorizer): Likewise.
2919         (new_stmt_vec_info): Likewise.
2921         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2922         changed from loop to loop_vinfo.
2923         (vect_create_data_ref_ptr): First argument in call to
2924         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2925         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2926         was changed from loop to loop_vinfo.
2927         (vectorizable_operation): Likewise.
2928         (vectorizable_store): Likewise.
2929         (vect_mark_stmts_to_be_vectorized): Likewise.
2930         (vect_do_peeling_for_loop_bound): First argument in call to
2931         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2932         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2933         was changed from loop to loop_vinfo.
2934         (vect_analyze_data_ref_dependences): Third argument in call to
2935         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2937         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2938         (vect_create_data_ref_ptr): Likewise.
2939         (vect_init_vector): Likewise.
2940         (vect_get_vec_def_for_operand): Likewise.
2941         (vectorizable_assignment): Likewise.
2942         (vectorizable_operation): Likewise.
2943         (vectorizable_store): Likewise.
2944         (vectorizable_load): Likewise.
2945         (vect_update_ivs_after_vectorizer): Likewise.
2946         (vect_is_simple_use): Likewise.
2947         (vect_analyze_data_ref_dependence): Likewise.
2948         (vect_analyze_pointer_ref_access): Likewise.
2949         (vect_can_advance_ivs_p): Likewise.
2951         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2952         before _stmt_vec_info.
2953         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2954         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2955         (new_stmt_vec_info): Argument changed from loop structure to
2956         loop_vect_info structure
2958         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2959         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2960         (vect_create_addr_base_for_vector_ref): Likewise.
2961         (vect_analyze_pointer_ref_access): Likewise.
2963 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2965         PR tree-opt/19768
2966         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2967         phi flag if the phi is abnormal.
2969 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2971         PR tree-opt/19736
2972         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2973         information for the new statement.
2975 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2977         PR driver/19117
2978         * gcc.c (main): Include the target in -v output.
2980 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2982         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2983         Do not drop the extend if we'd have to add a paradoxical subreg
2984         later.  Include optabs.h and insn-codes.h.
2985         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2987 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2989         PR middle-end/19405
2990         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2991         * fold-const.c (const_binop): Avoid constant folding floating
2992         point operations in modes that use composite representations.
2993         * simplify-rtx.c (simplify_binary_operation): Likewise.
2995 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2997         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2998         a REG, not a MEM.
2999         (altivec_dstt): Likewise.
3000         (altivec_dstst): Likewise.
3001         (altivec_dststt): Likewise.
3002         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
3003         of first operand.
3005 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3007         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
3008         EXPR_LOCUS from orig_cond to the new cond_stmt.
3009         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
3010         the new vec_stmt.
3012 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3014         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
3015         standard_iv_increment_position. Remove call to bsi_next
3016         (no need to bump the iterator anymore).
3017         (vect_create_index_for_vector_ref): Call
3018         standard_iv_increment_position. Remove second function argument.
3019         (vect_finish_stmt_generation): Remove call to bsi_next
3020         (no need to bump the iterator anymore).
3021         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
3022         to vect_create_index_for_vector_ref.
3024 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
3026         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
3027         phis are used out of the loop.
3029 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
3031         PR c/17807
3032         * c-decl.c (undef_nested_function): New variable.
3033         (pop_scope): Diagnose undefined nested functions.
3034         (finish_function): Don't attempt cgraph processing or genericizing
3035         if current top-level function contained an undefined nested
3036         function.  Reset undef_nested_function at the end of a top-level
3037         function.
3039 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
3041         * tree.c (build_int_cst_type): Take sign of the value into account
3042         when deciding whether sign extend the value.
3044 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3046         PR c/18502
3047         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
3048         (cpp_options, cc1_options): Change %{std*&ansi} to
3049         %{std*&ansi&trigraphs}.
3051 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3053         * cse.c: Update comments.
3055 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
3057         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
3058         arguments go on the stack.  Do not put complex doubles in odd/even
3059         pairs.
3061 2005-02-02  Steven Bosscher  <stevenb@suse.de>
3063         * doc/invoke.texi: Update the options enabled at -O1, -O2,
3064         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
3065         -ftree-pre, and -fthread-jumps.
3067 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
3069         PR tree-optimization/19578
3070         * tree-flow.h (modified_noreturn_calls): Declare.
3071         (noreturn_call_p): Declare.
3072         * tree-flow-inline.h (noreturn_call_p): New function.
3073         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
3074         * tree-cfg.c (modified_noreturn_calls): New variable.
3075         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
3076         that contain a mid-block noreturn call.
3077         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
3079 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
3081         * df.c (df_def_record_1, df_uses_record): Don't use
3082         DF_FOR_REGALLOC.
3083         * df.h (DF_FOR_REGALLOC): Remove.
3085 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3087         PR c/19435
3088         * c-typeck.c (really_start_incremental_init): Reset
3089         constructor_max_index for arrays of incomplete type.
3091 2005-02-02  Jeff Law  <law@redhat.com>
3093         * gcse.c (struct reg_set): Store the block index where the register
3094         was set rather than the setting insn.
3095         (record_one_set, compute_transp): Corresponding changes.
3096         (pre_insert_copy_insn): Do not call replace_one_set.
3097         (replace_one_set): Remove.
3099 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
3101         PR other/15514
3102         * doc/gcov.texi: Fix typo.
3104 2005-02-01  Richard Henderson  <rth@redhat.com
3106         PR target/19680
3107         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
3108         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
3109         type to bool.
3110         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
3111         * config/i386/i386-protos.h: Update.
3113 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3115         PR tree-optimization/19217
3116         * tree-cfg.c (verify_expr): Use the data field to see if TP was
3117         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
3118         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
3119         that it is walking a PHI node.
3121 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
3123         * doc/extend.texi (Nested Functions): Update.
3125 2005-02-01  Richard Henderson  <rth@redhat.com>
3127         PR 19696
3128         * optabs.c (expand_copysign_absneg): Export.
3129         * optabs.h (expand_copysign_absneg): Declare.
3130         * config/rs6000/rs6000.md (copysigntf3): New.
3132 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3134         PR tree-optimization/19633
3135         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
3136         * tree-ssa-alias.c (init_alias_info): Initialize.
3137         (merge_pointed_to_info): Set.
3138         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
3139         (dump_points_to_info_for): Show value of pt_null.
3140         (struct count_ptr_d): Declare.
3141         (find_ptr_dereference): Remove.
3142         (ptr_is_dereferenced_by): Remove.
3143         (count_ptr_derefs): New local function.
3144         (count_uses_and_derefs): New local function.
3145         (compute_points_to_and_addr_escape): Call it.  If the number
3146         of dereferences is greater than zero, mark the pointer as
3147         dereferenced.  If there are fewer dereferences than uses of
3148         the pointer, the pointer's value escapes.
3150 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
3152         PR tree-optimization/19670
3153         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
3154         here...
3155         (verify_use): ... set it here, instead.
3157 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
3159         * doc/sourcebuild.texi (Test directives): Fix formatting.
3161         * doc/sourcebuild.texi (Test directives): Describe selector
3162         expressions.
3164 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
3166         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
3167         specific 64-bit CPUs.
3169 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
3171         PR target/16201
3172         * arm.c (arm_eliminable_register): New function.
3173         (adjacent_mem_locations): Don't allow eliminable registers.  Use
3174         HOST_WIDE_INT for address offsets.
3175         * arm-protos.h (arm_eliminable_register): Add prototype.
3177 2005-02-01  Steven Bosscher  <stevenb@suse.de>
3179         PR optimization/15242
3180         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
3181         * basic-block.h (duplicate_computed_gotos): Add prototype.
3182         * bb-reorder.c (duplicate_computed_gotos): New function to
3183         duplicate sufficiently small blocks ending in a computed jump.
3184         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
3185         if not optimizing for size.
3186         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
3187         never do tail merging for blocks ending in a computed jump.
3188         * doc/invoke.texi: Document the max-goto-duplication-insns param.
3190 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
3192         Patch from Richard Sandiford <rsandifo@redhat.com>
3193         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
3194         from inheriting a subreg equivalence with a non-spill register.
3196         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
3198 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
3200         * config/frv/frv.c (movcc_fp_destination_operand): New.
3201         (gpr_or_memory_operand): Fix typo in comment.
3202         (gpr_or_memory_operand_with_scratch): New.
3203         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
3204         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
3205         movcc_fp_destination_operand.
3206         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
3207         Legitimize memory addresses using a scratch register.
3209 2005-01-31  Jeff Law  <law@redhat.com>
3211         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
3212         bitmap a sparse bitmap instead of a simple bitmap.
3213         (mark_def_sites_initialize_block):  Corresponding changes.
3214         (ssa_mark_def_sites_initialize_block): Likewise.
3215         (ssa_mark_phi_uses): Likewise.
3216         (mark_def_site, ssa_mark_def_sites): Likewise.
3217         (mark_def_site_blocks): Likewise.
3218         (rewrite_ssa_into_ssa): Likewise.
3220         * tree-ssa-dom.c (record_cond): Pass correct variable type
3221         for last argument to htab_find_slot_with_hash.
3223         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
3224         effects when optimizing 0 % X.  Do not try to optimize X % 0.
3226 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
3228         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
3229         1_mmalua.
3231 2005-02-01  Eric Christopher  <echristo@redhat.com>
3233         * config/mips/mips.c (override_options): Warn if -mint64
3234         is used.
3235         * doc/invoke.texi (MIPS Options): Document that -mint64 is
3236         deprecated.
3238 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
3240         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
3241         timestamp.
3242         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
3243         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
3244         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
3245         (cached_regno): Initialize to INVALID_REGNUM.
3246         (cse_reg_info_table_size,
3247         cse_reg_info_table_first_uninitialized,
3248         cse_reg_info_timestamp): New.
3249         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
3250         get_cse_reg_info.
3251         (init_cse_reg_info, get_cse_reg_info_1): New.
3252         (get_cse_reg_info): Cache the last look-up.
3253         (new_basic_block): Update the code to clear mappings from
3254         registers to cse_reg_info entries.
3255         (cse_main): Call init_cse_reg_info.
3257         * cse.c (get_cse_reg_info): Update a comment.
3259 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3261         PR c/19333
3262         * c-decl.c (start_decl): Do not warn about arrays of elements with
3263         an incomplete type here.
3264         (grokdeclarator): Do it here by making a pedwarn an error.
3265         * c-typeck.c (push_init_level): If there were previous errors with
3266         the constructor type, do not warn about braces for initializers.
3267         (process_init_element): Likewise for excess initializer elements.
3269 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
3271         * cse.c (delete_trivially_dead_insn): Don't iterate.
3273 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
3275         * config/rs6000/rs6000.md (copysignsf3): New expand.
3276         (copysigndf3): Likewise.
3278 2005-01-31  Steven Bosscher  <stevenb@suse.de>
3280         * recog.c (constrain_operands): Only look for earlyclobber operand
3281         conflicts if an '&' constraint was seen.
3283 2005-01-31  Marc Espie <espie@openbsd.org>
3285         * config.gcc: Don't include embedded systems fragment, switches default
3286         debugging format to ELF.
3287         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3288         longer pick it up there.
3290 2005-01-31  Dale Johannesen  <dalej@apple.com>
3292         * doc/extend.texi (nested functions): Fix linkage description.
3293         Clarify that static is not allowed.
3295 2005-01-31  Dale Johannesen  <dalej@apple.com>
3297         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3298         (movdf_low_di):  Make work.
3300 2005-01-31  Dale Johannesen  <dalej@apple.com>
3302         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3303         Make work for 64 bit.
3305 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3306             Dale Johannesen  <dalej@apple.com>
3308         PR middle-end/19650
3309         * fold-const.c (fold_binary_op_with_conditional_arg):
3310         Make types match original operands, before STRIP_NOPS.
3312 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3314         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3315         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3316         (struct gcc_sigcontext): Delete.  Merge contents to..
3317         (struct gcc_ucontext): ..here.
3318         (get_sigcontext): Delete.
3319         (get_regs): New function, like get_sigcontext but return regs ptr.
3320         64-bit version finds regs from r1 to support vdso.
3321         (ppc_linux_aux_vector): New function.
3322         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3323         and vector regs.
3325 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3327         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3328         sizetype.
3329         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3330         redundant fold. Fix misalignment for MINUS_EXPR.
3331         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3332         (vect_analyze_pointer_ref_access): Likewise.
3333         (vect_get_memtag_and_dr): Likewise.
3335 2005-01-31  Richard Henderson  <rth@redhat.com>
3337         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3338         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3339         absnegdf2_i387, absnegxf2_i387): Likewise.
3341 2005-01-31  Richard Henderson  <rth@redhat.com>
3343         PR 19696
3344         * optabs.c (expand_copysign_absneg): New.
3345         (expand_copysign_bit): Split out from ...
3346         (expand_copysign): ... here.  Use expand_copysign_absneg.
3348 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3350         PR middle-end/19697
3351         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3352         constant as the second operand and a register as the third.
3354 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3356         PR target/19704
3357         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3358         that dllimport'd functions do not use all call-clobbered registers
3359         to pass parameters.
3361 2005-01-30  Richard Henderson  <rth@redhat.com>
3363         PR 19696
3364         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3365         expand_abs_nojump and generalize.  Use operand_subword and
3366         emit_no_conflict_block.  Support large modes.
3367         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3368         back to maximum.
3369         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3370         negation to subtraction.
3371         (expand_copysign): Check that the format has signed zeros.
3372         Use operand_subword and emit_no_conflict_block.  Support large modes.
3374 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3376         Fix PR tree-optimization/19624
3378         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3379         * tree-ssa-pre.c: Add cfgloop.h.
3380         Update comment.
3381         (pre_stats): New member, constified.
3382         (inserted_exprs): New static variable.
3383         (NECESSARY): New macro.
3384         (create_expression_by_pieces): Fold the expression, and
3385         mark it as defaulting to not necessary. Also put in
3386         inserted_exprs.
3387         (fully_constant_expression): New function.
3388         (insert_into_preds_of_block): Modify to not insert phis when we
3389         are playing with induction variables.
3390         Push phis onto the inserted_exprs vector, and mark them as not
3391         necessary by default.
3392         (insert_aux): Call fully_constant_expression on eprime.
3393         If all edges produce the same value, mark it constant.
3394         (mark_operand_necessary): New function.
3395         (remove_dead_inserted_code): New function.
3396         (init_pre): Init loop optimizer to get loop info.
3397         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3398         (execute_pre): Commit edge inserts, then remove dead code.
3400 2005-01-30  Richard Henderson  <rth@redhat.com>
3402         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3403         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3405 2005-01-30  Richard Henderson  <rth@redhat.com>
3407         PR target/19700
3408         * config/i386/i386.c (ix86_expand_copysign): New.
3409         (ix86_split_copysign_const): New.
3410         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3411         rearrange op1/nmask operands.
3412         * config/i386/i386-protos.h: Update.
3413         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3414         (copysigndf3): Likewise.
3415         (copysignsf3_const, copysigndf3_const): New.
3416         (copysignsf3_var): Rename from copysignsf3, split out splitter
3417         and fix split predicate for X constraint.
3418         (copysigndf3_var): Similarly.
3420 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3422         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3423         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3424         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3426 2005-01-29  Richard Henderson  <rth@redhat.com>
3428         PR target/19690
3429         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3430         of # and * in constraints.
3432 2005-01-29  Richard Henderson  <rth@redhat.com>
3434         PR middle-end/19689
3435         * expr.c (store_field): Don't strip sub-mode cast when the input
3436         data is even smaller.
3438 2005-01-29  Richard Henderson  <rth@redhat.com>
3440         PR middle-end/19687
3441         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3442         union being empty.
3444 2005-01-29  Richard Henderson  <rth@redhat.com>
3446         * combine.c (make_field_assignment): Fix argument order
3447         to gen_int_mode.
3449 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3451         PR tree-optimization/15791
3452         * fold-const.c (extract_array_ref): New function.
3453         (fold): Fold comparisons between &a[i] and &a[j] or
3454         semantically equivalent trees.
3456 2005-01-29  Jeff Law  <law@redhat.com>
3458         * gcse.c (insert_expr_in_table): Revamp handling of available
3459         and anticipatable occurrence lists to avoid unnecessary list
3460         walking.
3461         (insert_set_in_table): Similarly.
3463 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3465         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3466         build string type.
3467         (c_build_qualified_type): Build qualified array types with
3468         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3469         * c-decl.c (c_make_fname_decl): Build unqualified array type
3470         before qualified type.
3471         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3472         type is qualified, not just if type itself is.  Don't apply
3473         qualifiers to array type when declarator is processed.  Apply
3474         qualifiers to field type whether or not it is an array type.
3475         Don't handle array types specially for applying qualifiers to
3476         variables.
3477         * c-typeck.c (composite_type): Build unqualified element type and
3478         array type when forming composite of array types.
3479         (common_pointer_type, comptypes, comp_target_types,
3480         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3481         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3482         types.
3483         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3484         (args2) in variables a1 and a2.
3486 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3488         * cse.c (n_elements_made, max_elements_made): Remove.
3489         (insert): Don't touch n_elements_made.
3490         (cse_main): Don't touch n_elements_made or max_elements_made.
3492 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3494         PR target/15384
3495         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3496         configuration part of dp-bit.c to be lost.
3498 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3500         * expmed.c (expand_mult_highpart_optab): When attempting to use
3501         a non-widening multiplication in a wider mode, the operands need
3502         to be converted (zero or sign extended) to that mode.
3504 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3506         PR middle-end/16558
3507         PR middle-end/19583
3508         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3509         through if both operands fall through.
3511 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3513         * cse.c (fold_rtx) <PC>: Don't optimize.
3515 2005-01-28  Jeff Law  <law@redhat.com>
3517         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3518         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3520 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3522         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3523         cse_reg_info_used_list_end): Remove.
3524         (cse_reg_info_list, cse_reg_info_list_free): New.
3525         (get_cse_reg_info): When allocating an instance of
3526         cse_reg_info, add it to the beginning of the cse_reg_info_list
3527         list.  Remove code to maintain cse_reg_info_used_list.
3528         (new_basic_block): Reset the free list to the beginning of
3529         cse_reg_info_list.
3531 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3533         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3534         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3535         (frv_expand_mdpackh_builtin): New function.
3536         (frv_expand_builtin): Use it to expand __MDPACKH.
3537         * doc/extend.texi (__MDPACKH): Update documentation.
3539 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3541         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3542         SSE_FLOAT_MODE_P for use_sse computation.
3544 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3546         PR target/19663
3547         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3549 2005-01-27  Richard Henderson  <rth@redhat.com>
3551         * builtins.c (expand_builtin_copysign): New.
3552         (expand_builtin): Call it.
3553         * genopinit.c (optabs): Add copysign_optab.
3554         * optabs.c (init_optabs): Initialize it.
3555         (expand_copysign): New.
3556         * optabs.h (OTI_copysign, copysign_optab): New.
3557         (expand_copysign): Declare.
3559         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3560         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3562         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3563         (ix86_expand_fp_absneg_operator): ... here.
3564         (ix86_split_copysign): New.
3565         * config/i386/i386-protos.h: Update.
3566         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3567         (copysignsf3, copysigndf3): New.
3569         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3570         (copysignsf3, ncopysignsf3): New.
3571         (copysigndf3, ncopysigndf3): New.
3572         (copysignxf3, ncopysignxf3): New.
3573         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3575 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3576             Kazu Hirata  <kazu@cs.umass.edu>
3578         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3579         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3580         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3581         NULL_RTX.
3583 2005-01-27  Jeff Law  <law@redhat.com>
3585         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3586         definitions of SSA_NAMEs which are not being rewritten.
3587         (rewrite_ssa_into_ssa): Only initialize the current definition
3588         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3589         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3590         SSA_NAMEs before returning.
3592 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3594         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3595         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3596         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3597         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3598         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3600 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3602         PR middle-end/17278
3603         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3604         higher to -O2 and higher.  Likewise for tree PRE.
3605         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3606         and better.
3608 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3610         PR middle-end/19583
3611         * gimple-low.c (try_catch_may_fallthru): New static function.
3612         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3613         * tree-inline.c (expand_call_inline): Don't warn about reaching
3614         the end of a non-void function being inlined if the function uses
3615         a return slot.
3617 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3619         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3621         PR c/18946
3622         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3623         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3624         (implicitly_declare): Handle error_mark_node.
3626 2005-01-27  Richard Henderson  <rth@redhat.com>
3628         PR tree-opt/14329
3629         * tree.h (struct tree_decl): Add debug_expr_is_from.
3630         (DECL_DEBUG_EXPR_IS_FROM): New.
3631         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3632         * dwarf2out.c (dwarf2out_var_location): Update to match.
3633         * tree-outof-ssa.c (create_temp): Likewise.
3634         * var-tracking.c (track_expr_p): Likewise.
3635         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3636         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3637         * toplev.c (default_tree_printer): Likewise.
3639 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3641         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3642         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3644 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3646         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3647         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3648         ASM_CLOBBERS): Add tree checks.
3650         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3651         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3652         * c-common.def (SWITCH_STMT): Update to match.
3653         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3654         macros instead of SWITCH_EXPR ones.
3655         * c-dump.c (c_dump_tree): Likewise.
3656         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3657         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3659         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3661 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3663         * unwind-dw2.c (execute_stack_op): Add missing cases for
3664         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3666 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3668         * config.gcc (Obsolete configurations): Remove 'dummy', add
3669         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3670         sparc-*-openbsd*.
3672 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3674         PR tree-optimization/19633
3675         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3676         CALL_EXPRs.
3677         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3678         are no call-clobbered variables.
3679         * tree-outof-ssa.c (check_replaceable): Return false for calls
3680         with side-effects.
3682 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3684         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3685         even for variables with NULL DECL_INITIAL.
3687 2005-01-26  Stuart Hastings  <stuart@apple.com>
3689         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3691 2005-01-26  Richard Henderson  <rth@redhat.com>
3693         PR middle-end/18008
3694         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3695         field's type.
3696         * expr.c (store_field): Strip conversions to odd-bit-sized types
3697         if the destination field width matches.
3699 2005-01-26  Richard Henderson  <rth@redhat.com>
3701         * c-decl.c, expmed.c, expr.c: Revert last change.
3703 2005-01-26  Richard Henderson  <rth@redhat.com>
3705         PR middle-end/18008
3706         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3707         field's type.
3708         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3709         if we don't need the bits above those present in the current mode.
3710         * expr.c (store_field): Strip conversions to odd-bit-sized types
3711         if the destination field width matches.
3713 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3715         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3716         either -ffast-math or -funsafe-math-optimizations is in use.
3718 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3720         PR target/19293
3721         PR target/19329
3722         * config/avr/avr.c (notice_update_cc): Only set condition code for
3723         ashrqi3 if shift count > 0.
3724         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3725         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3726         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3727         count <= 0 as a no-op, and shift count >= width by copying zero
3728         or sign bit to all bits of the result.
3729         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3730         count, with attribute "length" set to 0 and "cc" set to "none".
3732 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3734         * doc/invoke.texi: Document -mTLS.
3736         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3737         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3738         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3739         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3740         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3741         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3742         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3743         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3745         * configure.ac: Check for a TLS capable gas.
3747         * configure: Regenerate.
3749 2005-01-26  Richard Henderson  <rth@redhat.com>
3751         PR middle-end/18008
3752         * combine.c (make_field_assignment): Simplify store to zero_extract
3753         from a source with an overlapping mask.
3755 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3757         2004-11-11  Eric Christopher  <echristo@redhat.com>
3759         * config/frv/frv.md: Add fr400_integer automaton. Don't
3760         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3761         to TYPE_MACC.
3763 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3765         PR middle-end/16585
3766         * cfgbuild.c (make_edges): Do not clear or set
3767         current_function_has_computed_jump.
3768         * function.h (struct function): Remove the has_computed_jump field.
3769         (current_function_has_computed_jump): Do not define.
3770         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3771         in a computed jump.  Ignore current_function_has_computed_jump.
3773 2005-01-26  Richard Henderson  <rth@redhat.com>
3775         PR middle-end/19515
3776         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3777         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3778         fully initialized.
3779         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3780         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3781         objects into static storage if they have more than one non-zero value.
3782         * tree.h (categorize_ctor_elements): Update decl.
3784 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3786         PR middle-end/19616
3787         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3788         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3789         to this function from 2004-07-10.
3790         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3791         the current function for tail call optimizations if the address
3792         of one of it its arguments is taken.
3794 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3796         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3798 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3800         * function.c (expand_function_end): If current_function_calls_alloca,
3801         emit stack restore in a place that is reached when the function falls
3802         through at the end.
3804 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3806         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3807         rule to avoid matching inappropriate suffix rule.
3809 2005-01-26  Jan Hubicka  <jh@suse.cz>
3811         PR tree-optimization/19241
3812         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3814 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3816         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3817         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3818         of doubling.
3819         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3820         <sim*>: Always use crt1.o, regardless of N in simN.
3821         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3822         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3823         (CRT_CALL_STATIC_FUNCTION): Remove.
3824         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3825         use crt1.o, regardless of N in simN.
3826         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3827         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3828         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3829         case isystem setting.
3830         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3832 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3834         * gimple-low.c (block_may_fallthru): Correct handling of
3835         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3837 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3839         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3840         handlers to match indentation; nested under the mtune=* handler.
3841         Similar for mcpu= and march=.
3843 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3845         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3846         * config/mips/linux64.h (LIB_SPEC): Likewise.
3847         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3848         * config/sh/linux.h (LIB_SPEC): Likewise.
3850 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3852         * config/frv/frv.c (frv_legitimize_tls_address): New.
3853         (TARGET_HAVE_TLS): Define.
3854         (FRV_SYMBOL_REF_TLS_P): Define.
3855         (frv_override_options): Handle new register classes.
3856         (frv_legitimate_address_p): Reject tls addresses.
3857         (frv_legitimize_address): Handle TLS addresses.
3858         (gen_inlined_tls_plt): New.
3859         (gen_tlsmoff): New.
3860         (frv_legitimize_tls_address): New.
3861         (unspec_got_name): Add TLS entries.
3862         (got12_operand): Add R_FRV_TLSMOFF12 case.
3863         (frv_emit_move): Fixup TLS addresses.
3864         (frv_emit_movsi): Legitimize TLS addresses.
3866         * config/frv/frv.h (MASK_BIG_TLS): New.
3867         (TARGET_BIG_TLS): New.
3868         (HAVE_AS_TLS): Define.
3869         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3870         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3871         (REG_CLASS_NAMES): Same.
3872         (REG_CLASS_CONTENTS): Same.
3873         (CONSTRAINT_LEN): New.
3874         (REG_CLASS_FROM_CONSTRAINT): New.
3875         (PREDICATE_CODES): Add symbolic_operand.
3877         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3878         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3879         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3880         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3881         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3882         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3883         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3884         GR9_REG, GR14_REG, LRREG.
3885         (type): Add load_or_call attribute.
3886         ("load_or_call"): New reservation.
3887         ("call_gettlsoff"): New.
3888         ("tls_indirect_call"): New.
3889         ("tls_load_gottlsoff12"): New.
3890         ("tlsoff_hilo"): New.
3891         ("tls_tlsdesc_ldd"): New.
3892         ("tls_tlsoff_ld"): New.
3893         ("tls_lddi"): New.
3895         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3897         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3899         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3900         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3901         * config/frv/frv.c (TLS_BIAS): Define.
3902         (frv_output_dwarf_dtprel): New.
3904 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3906         PR rtl-optimization/19579
3907         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3908         both A and B, see if they don't clobber registers the other expr uses.
3910 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3912         * real.c (do_add): Initialize signalling and canonical members.
3914         * real.c (real_from_integer): Zero out destination.
3916 2005-01-18  Jan Hubicka  <jh@suse.cz>
3918         PR tree-optimize/19337
3919         * tree-inline.c (initialize_inlined_parameters): Copy
3920         saved_static_chain_decl only.
3922 2005-01-25  Richard Henderson  <rth@redhat.com>
3924         PR target/19556
3925         PR target/19584
3926         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3927         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3928         80387 enabled, to return a proper subclass.  Return the subset that
3929         overlaps with GENERAL_REGS for PLUS.
3930         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3932 2005-01-25  Richard Henderson  <rth@redhat.com>
3934         PR middle-end/19609
3935         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3937 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3939         * expmed.c (choose_multiplier): Change interface to return the
3940         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3941         (expand_divmod): Update calls to choose_multiplier.
3943 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3945         PR middle-end/19330
3946         * expmed.c (extract_bit_field): Use adjust_address instead of
3947         gen_lowpart when op0 is a MEM.
3949 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3951         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3953 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3955         * config/mips/irix-csr.c: New file.
3956         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3957         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3958         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3959         executables.
3961 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3963         PR bootstrap/19364
3964         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3965         sparc/elf.h, add sparc/sp-elf.h.
3966         (sparc-*-rtems*): Likewise.
3967         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3968         tm-dwarf2.h, add sparc/sp-elf.h.
3969         (sparc86x-*-elf): Likewise.
3970         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3971         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3972         TARGET_OS_CPP_BUILTINS.
3973         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3974         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3975         Undefine it.
3976         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3977         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3978         (SWITCH_TAKES_ARG): Likewise.
3979         (LOCAL_LABEL_PREFIX): Likewise.
3980         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3981         (TARGET_N_FORMAT_TYPES): Delete.
3982         (TARGET_FORMAT_TYPES): Likewise.
3983         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3984         * config/sparc/elf.h: Delete.
3985         * config/sparc/sp-elf.h: New file.
3987 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3989         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3990         * tree-flow.h: Remove the corresponding prototype.
3991         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3992         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3994 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3996         PR target/17751
3997         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3998         for AIX ABI or ELF -fPIC.
3999         (rs6000_emit_load_toc_table): Don't create toc_section here.
4000         (rs6000_xcoff_file_start): Nor here.
4002 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
4004         * sh.c (ra.h): Don't #include.
4005         (hard_regs_intersect_p): New function, resurrected from ra.c.
4007         * sh.c: Fix 1996 Copyright.
4009 2005-01-24  Richard Henderson  <rth@redhat.com>
4010             Aldy Hernandez  <aldyh@redhat.com>
4012         * regrename.c (note_sets): Handle subregs.
4014 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
4016         PR bootstrap/18058
4017         * genconditions.c (write_header, write_conditions): Elide file if
4018         not GCC >= 3.0.1.
4020 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
4022         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
4023         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
4024         Update copyright.
4026 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4028         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
4029         expand_builtin_printf, expand_builtin_fprintf,
4030         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
4031         checking against POINTER_TYPE.
4032         (validate_arglist): Handle POINTER_TYPE code by checking
4033         POINTER_TYPE_P.
4035 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
4037         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
4038         init_rtlanal): New.
4039         (for_each_rtx): Call for_each_rtx_1.
4040         * rtl.h (init_rtlanal): Declare.
4041         * toplev.c (backend_init): Call init_rtlanal.
4043 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
4045         * flow.c (propagate_one_insn): Formatting.
4047         PR middle-end/19551
4048         * flow.c (libcall_dead_p): Be more conservative if unsure.
4049         If there are any instructions between insn and call, see if they are
4050         all dead before saying the libcall is dead.
4052 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
4054         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
4055         operand constraint for operand 0.
4057 2005-01-23  Richard Henderson  <rth@redhat.com>
4059         PR 19486
4060         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
4061         edges leading to join block.
4063 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4065         * expmed.c (expand_mult_highpart): Make static.  Change type of
4066         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
4067         (expand_divmod): Updates calls to expand_mult_highpart by using
4068         gen_int_mode to pass a CONST_INT rtx.
4069         * rtl.h (expand_mult_highpart): Remove prototype.
4071 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4073         * flow.c (regset_bytes, regset_size): Remove.
4075         * cfganal.c: Fix a reference to Harvey's paper.
4077 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4079         PR rtl-optimization/19464
4080         * tree-optimize.c (init_tree_optimization_passes): Add one more
4081         copyrename pass just before out-of-ssa.
4083 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
4085         PR bootstrap/18058
4086         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
4087         * ggc-none.c (ggc_free): Define.
4089 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4091         * cse.c (max_reg, max_insn_uid): Remove.
4092         (cse_main): Don't access max_reg or max_insn_uid.
4094         * c-common.c (explicit_flag_signed_bitfields,
4095         lang_statement_code_p, lang_expand_function_end): Remove.
4096         * c-common.h: Remove the corresponding declarations.
4097         * c-opts.c (c_common_handle_option): Remove all write access
4098         to explicit_flag_signed_bitfields.
4100         * cgraph.c (cgraph_varpool_n_nodes): Remove.
4101         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
4102         * cgraph.h: Remove the corresponding declaration.
4104         * gcse.c (null_pointer_info): Remove.
4106 2005-01-23  Roger Sayle  <roger@eyesopen.com>
4107             Eric Botcazou  <ebotcazou@libertysurf.fr>
4109         * combine.c (simplify_logical): Only simplify logical expressions
4110         of the form ior(and(x,y),z) by the inverse distributive law if the
4111         result is cheaper than the original.
4113 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
4115         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
4116         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
4117         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
4118         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
4119         config/freebsd-spec.h, config/arm/arm.h,
4120         config/h8300/h8300.md, config/i386/i386.md,
4121         config/i386/predicates.md, config/i386/sse.md,
4122         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
4123         config/vax/vax.md: Fix comment typos.  Follow spelling
4124         conventions.
4126 2005-01-23  Steven Bosscher  <stevenb@suse.de>
4128         * gengtype.c (walk_type): Produce `not equal to' compares for loop
4129         tests, instead of `less than'.
4131 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
4133         * function.c (assign_parm_setup_block): When creating a new stack slot
4134         for a parameter, get its alignment from the parameter's DECL_ALIGN
4135         rather than the type's TYPE_ALIGN.  Make sure that the parameter
4136         is at least word aligned.
4138 2005-01-22  Roger Sayle  <roger@eyesopen.com>
4140         PR middle-end/19378
4141         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
4143 2005-01-22  Richard Henderson  <rth@redhat.com>
4145         PR target/19506
4146         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
4147         in both compare operands.
4148         (movdfcc_1_sse_max): Likewise.
4149         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
4150         (movdfcc_1_sse): Likewise.
4151         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
4152         scratch register as needed.
4154 2005-01-22  Richard Henderson  <rth@redhat.com>
4156         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
4158         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
4160 2005-01-22  Richard Henderson  <rth@redhat.com>
4162         * genopinit.c (optabs): Use smin/smax for floating point too.
4163         * doc/md.texi: Update to match.  Clarify that floating point
4164         results are undefined for +0/-0 and NaN.
4165         * doc/rtl.texi: Likewise.
4166         * rtl.def (SMIN, SMAX): Likewise
4167         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
4169         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
4170         leading 's' to the name.
4171         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
4172         smaxxf3, sminxf3): Likewise.
4173         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
4174         Likewise.
4176 2005-01-22  Paul Brook  <paul@codesourcery.com>
4178         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
4180 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
4182         * config/s390/s390.c (struct processor_costs): New fields
4183         dlgr, dlr, dr, dsgfr, dsgr.
4184         (z900_cost, z990_cost): Values for new fields.
4185         (s390_rtx_costs): New cases MEM und COMPARE in switch
4186         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
4187         DIV, MOD, UDIV, UMOD.
4189 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4191         * config/s390/s390.md ("doloop_si64"): Reload input value directly
4192         into the register being decremented.
4193         ("doloop_si31", "doloop_di"): Likewise.
4194         ("*doloop_si_long"): Adapt pattern.
4196 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
4198         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
4199         access registers.
4200         (CLASS_MAX_NREGS): Likewise.
4202 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
4204         * doc/tree-ssa.texi (Statement Operands): Add example for new
4205         must-def macro. Note deprecation of old operands interface.
4207 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
4209         PR tree-optimization/19484
4210         * tree-cfg.c (remove_fallthru_edge): New function.
4211         (cleanup_control_flow): Remove fallthru edges from calls that are
4212         now known not to return.
4214 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4216         Fix PR tree-optimization/19038
4217         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
4218         copies with loop variant ones.
4220 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
4222         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
4223         config/alpha/alpha-protos.h, config/alpha/alpha.h,
4224         config/alpha/alpha.md, config/alpha/predicates.md,
4225         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
4226         config/sparc/sol2.h: Update copyright.
4228         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
4229         first label to see if it is a nonlocal label.
4231 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
4232             Andrew Pinski  <pinskia@physics.uc.edu>
4234         PR target/19491
4235         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
4236         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
4238 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4240         * config/rs6000/rtems.h: Update copyright.
4242 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
4244         PR target/19548
4245         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
4246         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
4247         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
4249 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4251         PR c/18809
4252         * c-typeck.c (convert_arguments): Check for error_mark_node.
4254 2005-01-21  Ian Lance Taylor  <ian@airs.com>
4256         PR tree-optimization/13000
4257         * tree-inline.c: Include "tree-flow.h".
4258         (expand_call_inline): If warn_return_type, warn if non-void inline
4259         function falls through.
4260         * tree-cfg.c (execute_warn_function_return): Don't warn about
4261         control reaching end if TREE_NO_WARNING is set.  Set
4262         TREE_NO_WARNING.
4263         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
4264         has been lowered.
4265         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
4266         branch if we don't need one.
4267         * c-typeck.c: Include "tree-flow.h"
4268         (c_finish_bc_stmt): Don't add a goto if the current statement
4269         list doesn't fall through to the current point.
4271 2005-01-21  Roger Sayle  <roger@eyesopen.com>
4273         PR rtl-optimization/576
4274         * real.c (real_arithmetic): Change return type from void to bool
4275         to return an indication that the result may be inexact.
4276         * real.h (real_arithmeric): Update prototype.
4277         * fold-const.c (const_binop):  Don't constant fold floating
4278         point expressions when the user specifies -frounding-math and
4279         the result may depend upon the run-time rounding mode.
4280         (fold_convert_const_real_from_real): Clean-up.
4281         (fold_initializer): Ignore flag_rounding_math for initializers.
4282         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4283         constant fold FP operations with flag_rounding_math if the
4284         result may depend upon the run-time rounding mode.
4286 2005-01-21  Tom Tromey  <tromey@redhat.com>
4288         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4290 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4292         * tree-cfg.c: Fix comment typos.
4294 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4296         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4297         around the call to rest_of_handle_branch_target_load_optimize.
4299 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4301         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4302         (sparc64-*-openbsd*): Likewise.
4303         (sparclite-*-elf*): Include tm-dwarf2.h.
4304         (sparc86x-*-elf*): Likewise.
4305         (sparc64-*-elf*): Likewise.
4306         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4307         (DBX_DEBUGGING_INFO): Likewise.
4308         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4309         (PREFERRED_DEBUGGING_TYPE): Likewise.
4310         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4311         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4312         (PREFERRED_DEBUGGING_TYPE): Likewise.
4313         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4314         (PREFERRED_DEBUGGING_TYPE): Likewise.
4315         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4317 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4319         PR target/18701
4320         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4322 2005-01-20  Paul Brook  <paul@codesourcery.com>
4324         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4326 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4328         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4329         label is first in a sequence of labels.
4331         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4333 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4334             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4336         * doc/sourcebuild.texi (Test Directives): New.
4338 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4340         * real.c (real_floor): Don't leave the result uninitialized when
4341         mode is VOIDMode, but return the unrounded intermediate value.
4342         (real_ceil): Likewise.
4344 2005-01-20  Paul Brook  <paul@codesourcery.com>
4346         * config/arm/arm.md (insv): Use gen_int_mode.
4348 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4350         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4351         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4352         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4353         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4354         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4356 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4358         Fix PR debug/19124
4359         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4360         fbreg, so we have to assume we can't.
4361         (loc_descriptor_from_tree_1): Ditto.
4362         (containing_function_has_frame_base): New function.
4363         (add_location_or_const_value_attribute): Use it.
4364         Also try to generate a frame_base from a single element location
4365         list.
4367 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4369         PR tree-optimization/15349
4370         * timevar.def (TV_TREE_MERGE_PHI): New.
4371         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4372         PHI_WANTED.
4373         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4374         calls to tree_forwarder_block_p.
4375         (remove_forwarder_block_with_phi, merge_phi_nodes,
4376         gate_merge_phi, pass_merge_phi): New.
4377         * tree-optimize.c (init_tree_optimization_passes): Add
4378         pass_merge_phi.
4379         * tree-pass.h: Add an extern for pass_merge_phi;
4381 2005-01-20  Richard Henderson  <rth@redhat.com>
4383         PR target/19418
4384         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4385         (_mm_castps_pd, _mm_castps_si128): New.
4386         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4388 2005-01-20  Richard Henderson  <rth@redhat.com>
4390         PR target/19530
4391         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4392         __builtin_ia32_vec_init_v2si.
4393         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4394         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4395         (ix86_init_mmx_sse_builtins): Create it.
4396         (ix86_expand_builtin): Expand it.
4397         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4398         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4399         (vec_extractv2si_0, vec_extractv2si_1): New.
4401 2005-01-20  Richard Henderson  <rth@redhat.com>
4403         PR target/16533
4404         * config/i386/i386.c (ix86_expand_push): New.
4405         * config/i386/mmx.md (push<MMXMODE>1): New.
4406         * config/i386/sse.md (push<SSEMODE>1): New.
4407         * config/i386/i386-protos.h: Update.
4409 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4411         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4412         copyright.
4414 2005-01-20  Richard Henderson  <rth@redhat.com>
4416         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4417         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4419 2005-01-19  Richard Henderson  <rth@redhat.com>
4421         PR target/19350
4422         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4423         to V4SFmode in SSE1 fallback load path.
4425 2005-01-19  Richard Henderson  <rth@redhat.com>
4427         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4428         in QImode expansion to ix86_expand_vector_set.
4429         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4431 2005-01-19  Richard Henderson  <rth@redhat.com>
4433         PR target/19511
4434         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4435         subclass of the input class.
4436         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4437         Always true for cross-SSE1 classes.  Rationalize conditionals.
4438         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4439         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4440         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4441         (movdi_2): Add MMX/SSE zeros.
4442         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4443         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4444         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4445         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4446         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4447         (zero_extendsidi2_rex64_1): Remove.
4448         (MOV0 peephole): Check GENERAL_REG_P.
4450 2005-01-19  Richard Henderson  <rth@redhat.com>
4452         PR target/19427
4453         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4454         shufps elements.
4455         (ix86_expand_vector_extract): Likewise.
4457 2005-01-19  Richard Henderson  <rth@redhat.com>
4459         PR middle-end/19304
4460         * expr.c (emit_move_change_mode): New argument force; use
4461         simplify_gen_subreg if true.
4462         (emit_move_via_alt_mode): Merge into ...
4463         (emit_move_via_integer): ... here.
4464         (emit_move_ccmode): Use emit_move_change_mode directly.
4466 2005-01-19  Richard Henderson  <rth@redhat.com>
4468         PR target/19518
4469         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4470         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4471         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4472         rtl if true.
4473         (alpha_emit_set_const): Likewise.  Make static.
4474         (alpha_emit_set_long_const): Make static.
4475         (alpha_extract_integer): Split out from alpha_expand_mov.
4476         (alpha_split_const_mov): Likewise.
4477         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4478         (alpha_legitimate_constant_p): New.
4479         * config/alpha/alpha-protos.h: Update.
4480         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4481         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4482         * config/alpha/alpha.md (movsi): Add n alternative.
4483         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4484         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4485         (splitters for all of the above): Use alpha_split_const_mov.
4486         * config/alpha/predicates.md (non_add_const_operand): New.
4487         (non_zero_const_operand): New.
4488         (input_operand): Use alpha_legitimate_constant_p after reload.
4490 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4492         PR tree-optimization/19038
4493         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4494         (add_candidate): Add ivs with increment in latch only if
4495         allow_ip_end_pos_p is true.
4496         (determine_iv_cost): Use empty_block_p.
4498 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4500         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4501         (compute_dominance_frontiers): Ditto.
4503 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4505         PR target/19529
4506         * config/sh/t-rtems: New.
4507         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4509 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4511         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4512         the offset of the selected field.
4514 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4516         * tree-cfg.c (remove_forwarder_block): Fix the check to
4517         prevent a nonlocal label from appearing in the middle of a
4518         basic block.
4520 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4522         PR rtl-optimization/19462
4523         * reorg.c (find_end_label): Create return insn only if
4524         current_function_epilogue_delay_list is empty.
4526 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4528         * doc/passes.texi: Remove paragraph mentioning new-ra.
4530 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4532         PR rtl-optimization/15139
4533         * combine.c: Include params.h.
4534         (count_rtxs): New function.
4535         (record_value_for_reg): If replace_rtx would replace at least
4536         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4537         (clobber (const_int 0)) instead of TEM.
4538         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4539         * params.h (MAX_LAST_VALUE_RTL): New.
4540         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4541         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4543         PR c/17297
4544         * c-typeck.c (digest_init): Only call build_vector if all constructor
4545         elements are *_CST nodes.
4546         * gimplify.c (gimplify_init_constructor): Likewise.
4548         PR middle-end/19164
4549         * c-typeck.c (digest_init): Only call build_vector if inside_init
4550         is a CONSTRUCTOR.
4552 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4554         * toplev.c (init_asm_output): Remove dead #ifdef.
4556 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4558         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4560 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4562         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4563         accessing DECL_FUNCTION_CODE.
4564         * dojump.c (do_jump): Likewise.
4565         * gimplify.c (gimplify_call_expr): Likewise.
4566         * predict.c (expr_expected_value): Likewise.
4567         (strip_builtin_expect): Likewise.
4568         * tree-inline.c (estimate_num_insns_1): Likewise.
4569         * tree-ssa-loop-im.c (stmt_cost): Likewise
4570         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4571         (tree_expr_nonnegative_p): Likewise.
4573 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4575         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4576         variant of the load_pcrel_sym pattern.
4577         * config/sparc/sparc.md (P macro): Move to the top.
4578         (load_pcrel_sym): Macroize using P.
4579         (save_register_window): Likewise.
4581 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4583         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4584         ("sordered"): Same.
4586 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4588         PR C/19472
4589         * c-typeck.c (build_asm_expr): Strip nops off
4590         input memory operands.
4592 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
4594         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4595         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4596         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4597         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4599 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
4601         PR target/19379
4602         * config/i386/i386.c (override_options): If the 80387 is disabled,
4603         then do not return FP values using FP registers.
4605 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
4607         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4608         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4609         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4610         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4611         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4612         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4613         output.h, postreload-gcse.c, postreload.c, recog.c,
4614         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4615         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4616         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4617         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4618         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4619         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4620         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4621         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4623         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4624         config/alpha/alpha.c, config/arm/vfp.md,
4625         config/i386/emmintrin.h, config/i386/i386-modes.def,
4626         config/i386/i386-protos.h, config/i386/i386.h,
4627         config/i386/pmmintrin.h, config/i386/ppro.md,
4628         config/i386/predicates.md, config/i386/xmmintrin.h,
4629         config/i860/i860.c, config/ia64/ia64-modes.def,
4630         config/ia64/ia64-protos.h, config/ia64/ia64.h,
4631         config/ia64/ia64.md, config/ia64/itanium1.md,
4632         config/ia64/itanium2.md, config/ia64/predicates.md,
4633         config/iq2000/iq2000.h, config/mips/linux64.h,
4634         config/rs6000/aix41.h, config/rs6000/aix43.h,
4635         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4636         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4637         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4638         config/sparc/linux64.h, config/sparc/litecoff.h,
4639         config/sparc/sp64-elf.h, config/sparc/sparc.c,
4640         config/sparc/sparc.h, config/sparc/sparc.md,
4641         config/sparc/sysv4-only.h: Update copyright.
4643 2005-01-18  Richard Henderson  <rth@redhat.com>
4645         PR target/19496
4646         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4648 2005-01-18  Marc Espie  <espie@openbsd.org>
4649         * config/i386/openbsdelf.h: Typo.
4651 2005-01-18  Richard Henderson  <rth@redhat.com>
4653         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4654         special case for sse.
4655         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4657 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4659         * tree-inline.c (estimate_num_insns_1): Added cases for
4660         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4662 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4664         PR rtl-optimization/19296
4665         * combine.c (simplify_comparison): Rewrite the condition under
4666         which a non-paradoxical SUBREG of a PLUS can be lifted when
4667         compared against a constant.
4669 2005-01-18  Andi Kleen <ak@muc.de>
4671         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4672         * c.opt (-Wpointer-sign): Add.
4673         * doc/invoke.texi: (-Wpointer-sign): Add.
4675 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4677         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4678         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4679         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4680         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4681         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4682         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
4683         for TARGET_MIX_SSE_I387.
4684         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4685         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4686         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4687         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4688         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4689         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
4690         TARGET_MIX_SSE_I387.
4691         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4692         from expander.
4694 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4696         PR target/19424
4697         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4698         Add movaps alternative for xmm reg->reg move.
4700 2005-01-17  Jeff Law  <law@redhat.com>
4702         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4703         at the end of the main DOM loop rather than just before DOM exits.
4705 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
4707         PR tree-optimization/19121
4708         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4709         adding aliases to a name tag, also add them to the pointer's
4710         type tag.
4711         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4712         sensitive alias info at all.  Only check that the two pointers
4713         have compatible pointed-to sets.
4714         * tree-ssa.c (verify_name_tags): Verify that the alias set of
4715         a pointer's type tag is a superset of the alias set of the
4716         pointer's name tag.
4718 2005-01-17  James E Wilson  <wilson@specifixinc.com>
4720         PR target/19357
4721         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
4722         comment to document why.
4724 2005-01-17  Richard Henderson  <rth@redhat.com>
4726         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4727         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4728         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4729         sse2_vmsminv2df3_finite): New.
4730         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4731         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4732         Force op1 into register.
4734 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
4736         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4737         bubblestrap from always rebuilding build directory.
4739 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
4741         * config/s390/s390.md ("*clc"): Remove incorrect '='.
4742         ("*cmpmem_short"): Likewise.
4744 2005-01-17  Steven Bosscher  <stevenb@suse.de>
4746         * basic-block.h: Document BB_* flags.
4747         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4748         use an sbitmap instead.
4749         * sched-rgn.c (compute_trg_info): Likewise.
4751 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
4753         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
4754         redundant target_cpu_default and extra_parts lines.  Use the default
4755         "from-abi" ISA.
4756         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4757         (SUBTARGET_EXTRA_SPECS): Delete.
4758         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
4759         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4760         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4761         and "n32" for -mabi=n32.
4763 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4765         PR c/5675
4766         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4767         fold constant variables into initial values.
4769 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4771         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4773         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4774         through the statements backward.
4776 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4778         PR middle-end/13127:
4779         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4780         a variable set to the return value of the inlined function.
4782 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4784         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4785         when modes are tieable.
4787 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4789         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4790         of pthread_create to find out if threads are enabled.
4791         * gthr-posix95.h (__gthread_active_p): Likewise.
4793 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4795         * common.opt (-fnew-ra): Remove.
4796         * ra*.*: Remove.
4797         * toplev.h (flag_new_regalloc): Remove.
4798         * Makefile.in (ra*.*): Don't mention.
4799         * passes.c (rest_of_handle_new_regalloc): Remove.
4800         (rest_of_handle_combine, rest_of_compilation): Always consider
4801         flag_new_regalloc as false.
4802         * doc/invoke.texi: Don't document -fnew-ra.
4804 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4806         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4807         last parameter to reg_scan.
4808         * loop.c (loop_optimize): Likewise.
4809         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4810         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4811         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4812         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4813         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4814         * regclass.c (reg_scan): Likewise, for the declaration.
4815         * rtl.h (reg_scan): Likewise, for the prototype.
4817 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4819         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4820         mark_dfs_back_edges.
4822 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
4824         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4825         (compute_avail): Uses don't go in tmp_gen.
4827 2005-01-16  Steven Bosscher  <stevenb@suse.de>
4829         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4830         loop to look for a free slot in a page entry.
4832 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4834         PR target/16304
4835         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4836         * toplev.c (compile_file): Call process_pending_assemble_output_defs
4837         just before targetm.asm_out.file_end.
4838         * tree.h (process_pending_assemble_output_defs): Declare.
4839         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4840         New functions.
4841         (assemble_alias): Defer generation of assembly code for defines when
4842         TARGET_DEFERRED_OUTPUT_DEFS is true.
4843         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4844         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4845         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4847 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4849         PR target/19336
4850         * pa.c (pa_scalar_mode_supported_p): New function.
4851         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4852         * pa.h (MIN_UNITS_PER_WORD): Add comment.
4854         * pa-protos.h (prefetch_operand): Delete.
4855         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4856         * pa.c (prefetch_operand): Delete.
4857         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4858         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4859         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
4860         and prefetch_nocc_operand.
4861         * pa.md (prefetch): Rework to avoid reload problems handling short
4862         displacements when a cache control completer needs to be provided.
4863         (prefetch_32, prefetch_64): Delete.
4864         (prefetch_cc, prefetch_nocc): New patterns.
4866 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
4868         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4870 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4872         PR ada/19388
4873         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4874         exceeds maximum alignment for global common data.
4875         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4876         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4878 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4880         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4882 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4884         * harg-reg-set.h (reg_class_names): Prototype global array.
4885         * regclass.c (reg_class_names): Declare here and initialize to
4886         REG_CLASS_NAMES.
4887         (dump_regclass): Remove local declaration of reg_class_names.
4888         (regclass): Likewise.
4889         * cfg.c (dump_flow_info): Likewise.
4890         * ra-debug.c (reg_class_names): Likewise.
4891         * regrename.c (reg_class_names): Likewise.
4892         * reload.c (reg_class_names): Likewise.
4893         * reload1.c (spill_failure): Likewise.
4894         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4896 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
4898         * config/s390/s390.md ("reload_outti"): Remove predicate for
4899         output operand.  Abort if operand is not a MEM.
4900         ("reload_outdi", "reload_outdf"): Likewise.
4902 2005-01-15  Marc Espie  <espie@openbsd.org>
4904         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4905         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4906         * config/openbsd.h:  Fix C++ includes for native configurations.
4907         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
4908         Add trampoline support.
4909         * config/i386/openbsdelf.h: New.
4911 2005-01-15  Marc Espie  <espie@openbsd.org>
4913         * collect2.c (main): Explicitly parse -dynamic-linker option.
4915 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
4917         PR tree-optimization/19060
4918         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4919         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4920         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4921         and handle extract_range_from_cond returning false.
4922         * fold-const.c (fold): Optimize comparisons with min/max even for
4923         width > HOST_BITS_PER_WIDE_INT.
4925 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
4927         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4928         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4929         Remove little endian multilib variants.
4930         Add mips32 multilib variant.
4932 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
4934         * explow.c (copy_all_reg, stabilize): Remove.
4935         * expr.h: Remove the corresponding prototypes.
4937         * rtlanal.c (regs_set_between_p): Remove.
4938         * rtl.h: Remove the corresponding prototype.
4940 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
4942         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4943         to rs6000_nonimmediate_operand.
4944         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4945         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4946         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4947         rs6000_nonimmediate_operand.
4948         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4949         rs6000_nonimmediate_operand.
4951 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
4953         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4955 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4957         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4958         on e500v2.
4959         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4960         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4962         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4963         (rs6k_nonimmediate_operand): New.
4964         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4965         correctly.
4966         (legitimate_lo_sum_address_p): Same.
4967         (rs6000_legitimize_address): Same.
4968         (rs6000_legitimize_reload_address): Same.
4969         (rs6000_legitimate_address): Same.
4970         (spe_build_register_parallel): Pass DF and DC modes in a DI
4971         register.
4973         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4974         to rs6k_nonimmediate_operand.
4976         * config/rs6000/spe.md ("*frob_df_di"): New.
4977         ("*frob_di_df"): New.
4978         ("*frob_di_df_2"): New.
4979         ("*mov_sidf_e500_subreg0"): New.
4980         ("*mov_sidf_e500_subreg4"): New.
4981         ("*movdf_e500_double"): Change predicate to
4982         rs6k_nonimmediate_operand.
4984 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4986         * postreload.c (move2add_note_store): Only call
4987         trunc_int_for_mode on scalar integers.
4989 2005-01-14  Steven Bosscher  <stevenb@suse.de>
4991         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4992         replace BB_VISITED uses.
4993         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4994         (propagate_necessity): Check the bitmap instead of BB_VISITED.
4995         (tree_dce_done): Free visited_control_parents.
4996         (perform_tree_ssa_dce): Allocate and clear it.
4997         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4998         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
4999         instead of BB_VISITED.
5001 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
5003         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
5004         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
5005         Remove unused prototypes.
5007 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5009         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
5010         64-bit register usage.
5011         (spe_func_has_64bit_regs_p): Add FIXME note.
5013 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
5015         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
5016         flag_finite_math_only with flag_unsafe_math_optimizations.
5018 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
5020         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
5021         end-of-stack check.
5022         (__tpf_eh_return): Copy TPF private stack area from the module
5023         boundary stack frame.  Add check for when module addresses are
5024         equal, but no stub address is found.
5026 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
5028         PR target/7525
5029         * arm.h (struct machine_function): Add call_via field.
5030         (thumb_call_via_label): Declare.
5031         * arm.c (thumb_call_via_label): New variable.
5032         (thumb_call_reg_needed): New variable.
5033         (arm_output_function_epilogue): For Thumb code, output any per-function
5034         call-indirect trampolines.
5035         (thumb_call_via_reg): New function.
5036         (arm_file_end): New function.
5037         (TARGET_ASM_FILE_END): Call arm_file_end.
5038         (aof_file_end): Likewise.
5039         * arm-protos.h (thumb_call_via_reg): Declare.
5040         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
5041         thumb_call_via_reg in normal case.
5043 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
5045         PR middle-end/19084
5046         PR rtl-optimization/19348
5047         * recog.c (peephole2_optimize): Do global life update if some peephole
5048         decides it doesn't need at least one of its inputs and that change
5049         influences liveness at the start of the basic block.
5051         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
5052         arguments instead of 1.
5054 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
5056         PR middle-end/18820
5057         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
5058         zero for nested functions needing a static chain or functions
5059         with a non-constant address.
5061 2005-01-13  Roger Sayle  <roger@eyesopen.com>
5063         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
5064         (and (sign_extend X) C) into (zero_extend (and X C)).
5066 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
5068         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
5070 2005-01-13  Richard Henderson  <rth@redhat.com>
5072         PR target/19009
5073         PR target/19250
5074         PR target/19252
5075         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
5076         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
5077         not just TARGET_SSE.
5078         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
5079         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
5080         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
5081         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
5082         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
5083         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
5084         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
5085         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
5086         (movdicc_c_rex64): Rename with '*'.
5087         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
5088         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
5089         (movsfcc_1_387): Rename from movsfcc_1.
5090         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
5091         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
5092         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
5093         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
5094         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
5095         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
5096         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
5097         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
5098         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
5099         sse_movdfcc_const0_4): Remove.
5100         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
5101         recognize min/max early.  Update for changed sse cmove patterns.
5102         (ix86_split_sse_movcc): New.
5103         * config/i386/i386-protos.h: Update.
5105 2005-01-13  Steven Bosscher  <stevenb@suse.de>
5107         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
5108         (fix_stmt_v_may_defs): Likewise.
5110 2005-01-13  Richard Henderson  <rth@redhat.com>
5112         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
5113         for converting the mask.
5115 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
5117         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
5118         definition to 600.
5120 2005-01-13  Richard Henderson  <rth@redhat.com>
5122         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
5123         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
5124         IX86_BUILTIN_MOVDQ2Q): Remove.
5125         (IX86_BUILTIN_VEC_EXT_V4SI): New.
5126         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
5127         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
5128         shuffling.
5129         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
5130         (sse2_pextrw): Fix immediate constraint.
5131         (sse2_loadq, sse2_loadq_rex64): Remove.
5132         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
5133         Use __builtin_ia32_vec_ext_<size>.
5134         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
5136 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
5138         * function.c (assign_parm_setup_block): Look inside original
5139         entry_parm when inspecting PARALLEL.
5141 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
5142             Joel Sherrill  <joel@oarcorp.com>
5144         PR target/19399
5145         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
5146         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
5147         rtems_gxx_recursive_mutex_init.
5148         (__gthread_recursive_mutex_lock): New function.
5149         (__gthread_recursive_mutex_trylock): Likewise.
5150         (__gthread_recursive_mutex_unlock): Likewise.
5152 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
5154         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
5156 2005-01-13  Jan Beulich  <jbeulich@novell.com>
5158         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
5159         (ashrti3_internal): Indicate output is early clobber. Generate result
5160         into output rather than first input. Use move for low word of output
5161         if shift count is exactly 64.
5162         (lshrti3_internal): Likewise.
5164 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
5166         PR target/18329
5167         PR target/18330
5168         * reload1.c (delete_output_reload): Don't delete an output reload
5169         if the pseudo lives longer than a single basic block.  Adjust and
5170         improve wording of comment.
5172 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
5174         PR target/19334
5175         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
5176         of TYPE_SIZE where we mean the number of bytes.
5178 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
5180         * function.c (assign_parm_setup_block): Relax condition on
5181         multi-register optimization.
5183 2005-01-12  Nick Clifton  <nickc@redhat.com>
5185         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
5186         an "in_delay_slot" attribute of "no" to prevent them being used in
5187         delay slots.  This is forbidden because they might generate
5188         exceptions.
5190 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
5192         PR target/19389
5193         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
5194         with r->Y and Y->r.
5196 2005-01-12  Nick Clifton  <nickc@redhat.com>
5198         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
5199         passed on to GAS) but do not define, as GAS no longer supports or
5200         needs the -m2000 option.
5202 2005-01-11  Roger Sayle  <roger@eyesopen.com>
5204         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
5205         type as args of unprototyped builtins aren't automatically promoted.
5206         (fold_builtin_abs): Likewise.
5208 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5210         * Makefile.in: Set a `build-warn' variable.
5212 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
5214         PR tree-optimization/17949
5215         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
5216         (find_interesting_uses_address): Use it.
5218 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
5220         * regrename.c (kill_value): Handle subreg's that won't simplify.
5222 2005-01-11  Richard Henderson  <rth@redhat.com>
5224         PR target/13366
5225         * config/i386/i386.h (enum ix86_builtins): Move ...
5226         * config/i386/i386.c: ... here.
5227         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
5228         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
5229         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
5230         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
5231         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
5232         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
5233         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
5234         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
5235         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
5236         IX86_BUILTIN_LOADDDUP): Remove.
5237         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
5238         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
5239         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
5240         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
5241         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
5242         (ix86_init_builtins): Make static.
5243         (ix86_init_mmx_sse_builtins): Update for changed builtins.
5244         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
5245         if all the modes match.  Otherwise, fake it.
5246         (get_element_number, ix86_expand_vec_init_builtin,
5247         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
5248         (ix86_expand_builtin): Make static.  Update for changed builtins.
5249         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
5250         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
5251         (ix86_expand_vector_init_duplicate): New.
5252         (ix86_expand_vector_init_low_nonzero): New.
5253         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
5254         Split out from ix86_expand_vector_init; handle integer modes.
5255         (ix86_expand_vector_init): Use them.
5256         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
5257         * config/i386/i386-protos.h: Update.
5258         * config/i386/predicates.md (reg_or_0_operand): New.
5259         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
5260         (movv2sf_internal): Likewise.  And a splitter to match them all.
5261         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
5262         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
5263         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
5264         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
5265         (mmx_pinsrw): Fix operand ordering.
5266         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
5267         rather than sse_loadss expander.
5268         (movv2df splitter): Similarly.
5269         (sse_loadss, sse_loadlss): Remove.
5270         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
5271         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
5272         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
5273         (sse3_movddup): Rename with '*'.
5274         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
5275         (sse2_loadsd): Remove.
5276         (vec_dupv2df_sse3): Rename from sse3_loadddup.
5277         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
5278         (sse2_pinsrw): Fix argument ordering.
5279         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
5280         (sse2_stored): Remove 'r' destination.
5281         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5282         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5283         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5284         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5285         vec_extractv16qi, vec_initv16qi): New.
5287         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5288         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5289         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5290         constructor form.
5291         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5292         (_mm_load_si128, _mm_store_si128): Likewise.
5293         (_mm_load1_pd): Use _mm_set1_pd.
5294         (_mm_load_sd): Use _mm_set_sd.
5295         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5296         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5297         (_mm_set_epi64): Use _mm_set_epi64x.
5298         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5299         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5300         _mm_setr_epi8): Use _mm_set_foo form.
5301         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5302         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5303         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5304         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5305         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5306         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5307         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5308         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5309         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5310         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5311         (_mm_movedup_pd): Use _mm_shuffle_pd.
5312         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5313         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5314         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5315         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5316         Use _mm_setzero_ps.
5317         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5318         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5319         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5320         (_mm_store_ps): Use raw dereference.
5321         (_mm_store1_ps): Use _mm_storeu_ps.
5322         (_mm_storer_ps): Use _mm_store_ps.
5323         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5324         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5326 2005-01-11  Stan Shebs  <shebs@apple.com>
5328         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5329         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5331 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5333         PR target/18761
5334         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5335         Skip all DECLs except for FIELD_DECLs.
5337 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5339         * config/s390/s390.c (override_options): Return error if
5340         -mbackchain, -mpacked-stack and -mhard-float are used together.
5341         (s390_va_start): Remove the backchain && packed-stack special case.
5342         (s390_gimplify_va_arg): Likewise.
5343         * doc/invoke.texi: Remove the ABI incompatibility note.
5345 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5347         * config/s390/s390.c (struct s390_frame_layout): Remove
5348         save_backchain_p.
5349         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5350         save_backchain_p with TARGET_BACKCHAIN.
5352 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5354         PR target/18916
5355         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5356         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5357         * function.c (locate_and_pad_parm): Set new field.
5358         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5359         Tweak where_pad test to include "none".  Always set mem align for
5360         stack_parm.
5361         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5362         not sufficient for type.
5363         (assign_parm_setup_block): If stack_parm is zero on entry, always
5364         make a new stack local.  Block move old stack parm if necessary
5365         to new aligned stack local.
5366         (assign_parm_setup_stack): Use a block move to handle
5367         potentially misaligned entry_parm.
5368         (assign_parms_unsplit_complex): Specify required alignment when
5369         creating stack local.
5370         * calls.c (compute_argument_addresses): Override alignment of stack
5371         arg calculated from its type with the alignment given by
5372         FUNCTION_ARG_BOUNDARY.
5373         (store_one_arg): Likewise.
5375 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5377         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5378         Change respective itanium_class attribute to ialu.
5379         (shladdp4_internal): New.
5380         * config/ia64/predicates.md (shladd_log2_operand): New.
5382 2005-01-11  Richard Henderson  <rth@redhat.com>
5384         * expr.c (store_constructor): Use rtvec_alloc instead of
5385         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5387 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5389         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5391 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5393         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5394         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5395         (TARGET_RWRELOC): Define.
5396         (ia64_rwreloc_section_type_flags): Delete.
5397         (ia64_section_type_flags): New function.
5398         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5399         (TARGET_RWRELOC): Define.
5401 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5403         PR target/18987
5404         * config/ia64/ia64.c (process_set): For alloc insn, only call
5405         process_epilogue is !frame_pointer_needed.
5407 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5409         PR c++/19355
5410         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5411         unary operator and can't be treated as a binary/comparison operator.
5413 2005-01-10  Richard Henderson  <rth@redhat.com>
5415         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5416         (ix86_return_in_memory): Likewise.
5417         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5418         for choosing register to advance.
5420 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5422         * tree-vectorizer.c, tree.def: Fix comment typos.
5424 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5426         * config/s390/s390.c (struct processor_costs): 4 new fields:
5427         ddbr, ddr, debr, der.
5428         (s390_rtx_costs): More precise handling of divide instructions.
5430 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5432         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5434 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5436         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5437         names resulting from -ffunction-sections/-fdata-sections and linkonce
5438         ones.
5439         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5440         based on the section name. Rearrange the section name comparison logic
5441         slightly so that each section name is compared against at most once.
5443 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5445         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5446         targets for which -fPIC reduces limitations on the GOT size.
5448 2005-01-09  Falk Hueffner  <falk@debian.org>
5450         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5451         X/C1 cmpop C2.
5453 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5455         PR target/18720
5456         * collect2.c (main): Set aixrtl_flag for -brtl option.
5457         (resolve_lib_name): Search for .so file extension before .a
5458         if aixrtl_flag set.
5460 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5462         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5463         (vect_analyze_data_refs_alignment): Add dump prints.
5465 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5467         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5468         expr_invariant_in_loop_p.
5469         Initialize outputs first thing in the function.
5470         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5471         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5472         (vect_analyze_pointer_ref_access): Check that the initial condition of
5473         the access function is loop invariant.
5475 2005-01-09  Richard Henderson  <rth@redhat.com>
5477         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5478         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5479         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5480         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5481         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5482         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5483         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5484         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5485         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5486         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5487         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5488         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5489         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5490         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5491         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5492         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5493         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5494         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5495         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5496         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5497         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5498         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5499         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5500         mmx_ prefix.
5501         (mmx_clrdi, pavgusb): Remove.
5502         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5503         with leading sse_ prefix.
5504         * config/i386/sse.md: Receive them.
5505         * config/i386/mmx.md: New file.
5506         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5507         (subrv2sf3): Turn into expander for normal subtraction.
5508         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5509         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5510         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5511         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5512         commutative; use ix86_binary_operator_ok.
5513         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5514         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5515         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5516         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5517         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5518         Macroize from existing patterns; use ix86_binary_operator_ok.
5519         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5520         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5521         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5522         with vec_select+vec_concat.
5523         (mmx_pshufw, mmx_pshufw_1): Likewise.
5524         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5525         (mmx_uavgv4hi3): Model correctly.
5526         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5527         _mm_xor_si64): Remove casts.
5529 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5531         PR tree-optimization/19224
5532         * tree-scalar-evolution.c (get_instantiated_value,
5533         set_instantiated_value): New functions.
5534         (instantiate_parameters_1): Cache the results.
5535         (instantiate_parameters, resolve_mixers): Initialize and free
5536         the cache.
5538 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5540         * config/i386/i386.md (addhi_4): Correct reference in comment.
5541         (addqi_4): Same.
5543 2005-01-08  Richard Henderson  <rth@redhat.com>
5545         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5546         (_mm_cvtsi128_si64x): Likewise.
5547         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5548         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5549         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5550         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5551         * config/i386/i386-protos.h: Update.
5552         * config/i386/i386.c (print_operand): Add 'H'.
5553         (ix86_fixup_binary_operands): Split out from ...
5554         (ix86_expand_binary_operator): ... here.
5555         (ix86_fixup_binary_operands_no_copy): New.
5556         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5557         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5558         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5559         (safe_vector_operand): Use CONST0_RTX.
5560         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5561         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5562         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5563         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5564         special cases.
5565         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5566         (IX86_BUILTIN_CMPNGESS): New.
5567         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5568         (attr type): Add sselog1.
5569         (attr unit, attr memory): Handle it.
5570         (movti, movti_internal, movti_rex64): Move near other integer moves.
5571         (movtf, movtf_internal): Move near other fp moves.
5572         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5573         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5574         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5575         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5576         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5577         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5578         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5579         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5580         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5581         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5582         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5583         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5584         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5585         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5586         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5587         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5588         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5589         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5590         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5591         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5592         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5593         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5594         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5595         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5596         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5597         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5598         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5599         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5600         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5601         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5602         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5603         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5604         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5605         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5606         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5607         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5608         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5609         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5610         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5611         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5612         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5613         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5614         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
5615         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5616         same time.
5617         (SSEPUSH, push<SSEPUSH>): Remove.
5618         (MMXPUSH, push<MMXPUSH>): Remove.
5619         (sse_movaps, sse_movaps_1, sse_movups): Remove.
5620         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5621         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5622         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5623         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5624         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5625         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5626         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5627         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5628         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5629         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5630         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
5631         (ppro_sse_log_V4SF): Handle sselog1.
5632         * config/i386/predicates.md (const_0_to_1_operand): New.
5633         (const_0_to_255_mul_8_operand): New.
5634         (const_1_to_31_operand): Rename from const_int_1_31_operand.
5635         (const_2_to_3_operand, const_4_to_7_operand): New.
5636         * config/i386/sse.md: New file.
5637         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5638         (sse_movups): Rename from sse_movups_1.
5639         (sse_loadlss): Rename from sse_loadss_1.
5640         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5641         from the name.
5642         (negv4sf2): Use ix86_expand_fp_absneg_operator.
5643         (absv4sf2, negv2df, absv2df): New.
5644         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5645         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5646         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5647         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5648         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5649         (sse3_addsubv4sf3): Model correctly.
5650         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5651         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5652         (sse_movhlps): Model with vec_select+vec_concat.
5653         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5654         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5655         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5656         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5657         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5658         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5659         sse2_pshufhw_1): Likewise.
5660         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5661         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5662         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5663         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5664         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5665         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5666         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5667         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5668         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5669         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5670         sminv8hi3): Mark commutative
5671         operands.  Use ix86_binary_operator_ok.
5672         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5673         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5674         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5675         sse2_punpcklqdq): Allow operand2 in memory.
5676         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5677         sse2_movsd): Add memory alternatives.
5678         (sse_storelps): Turn expander into an insn; split after reload.
5679         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5680         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5682 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5684         * configure.ac (DWARF-2 debug_line): Use objdump.
5685         * configure: Regenerate.
5687 2005-01-08  Jeff Law  <law@redhat.com>
5688             Diego Novillo  <dnovillo@redhat.com>
5690         PR tree-optimization/18241
5691         * tree-nrv.c (tree_nrv): Ignore volatile return values.
5692         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5693         statements with volatile operands.
5694         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5695         operands after marking a statement with has_volatile_ops.
5697 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5699         * tree.c (int_fits_type_p): Always honor integer constant
5700         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5702 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5704         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5705         the latent bug in rtl_delete_block has been resolved.
5707 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5709         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5710         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5712 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5714         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5715         library as @multilib_dir@/$(SHLIB_SONAME).
5717 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5719         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5720         * configure: Regenerate.
5722 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5724         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5725         TYPE_MODE.
5727 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
5729         PR target/13674
5730         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5731         Convert non-word aligned offset address using ld/std into
5732         indirect address.
5734 2005-01-07  Richard Henderson  <rth@redhat.com>
5736         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5738 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
5740         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5742 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5744         PR tree-optimization/19283
5745         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5746         is not shorter than the original type.
5748         PR rtl-optimization/19012
5749         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5751         PR rtl-optimization/18861
5752         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5753         (FULL_STATE): Define.
5754         (mark_tablejump_edge): New function.
5755         (purge_dead_tablejump_edges): New function.
5756         (find_bb_boundaries): Use it.
5758         PR tree-optimization/18828
5759         * builtins.c (expand_builtin_next_arg): Remove argument and all
5760         the argument checking.
5761         (expand_builtin): Adjust caller.
5762         (expand_builtin_va_start): Likewise.  Remove error for too many
5763         arguments.
5764         (fold_builtin_next_arg): Issue error for too many arguments.
5765         After checking arguments, replace them with magic arguments that
5766         prevent further checking of the args.
5768 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5770         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5772 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5774         PR target/6077
5775         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5776         and %{.S:...} (and their negative variants) to test whether the
5777         input file is assembler or pre-processed-assembler independent of
5778         the actual filename extension.
5780 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5782         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5783         of sign or zero extended values.
5785 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5787         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5788         for IBM long double format correctly.
5790 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5792         Fix PR tree-optimization/18792
5794         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5795         to first_loop_depth, and use loop depth instead of loop number.
5796         (build_classic_dir_vector): Ditto.
5797         (compute_data_dependences_for_loop): Use depth, not loop number.
5798         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5799         number. Pass in loops, instead of loop numbers.
5800         (gather_interchange_stats): Ditto.
5801         (linear_transform_loops): Ditto.
5803 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5805         PR rtl-opt/13299
5806         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5807         biv_fits_mode_p, extension_within_bounds_p): New functions.
5808         (check_ext_dependent_givs): Use them.
5810 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5812         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5813         more than one barrier, in which case we should delete them all.
5815 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5817         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5819 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
5821         Fix PR middle-end/19286
5822         Fix PR debug/19267
5823         * dwarf2out.c (gen_subprogram_die): If we've already tried to
5824         output this subprogram, simply ignore this attempt to do it again.
5825         (add_abstract_origin_attribute): Don't abort trying to add the abstract
5826         origin attribute if it's not possible.
5827         (gen_block_die): Don't ignore subblocks of "unused" blocks.
5828         (decls_for_scope): Ditto.
5829         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5830         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5832 2005-01-05  Richard Henderson  <rth@redhat.com>
5834         PR target/11327
5835         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5836         (bdesc_2arg): Use it.
5837         (ix86_expand_binop_builtin): Force operands into registers
5838         when optimizing.
5839         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5840         ix86_expand_sse_compare, ix86_expand_sse_comi,
5841         ix86_expand_builtin): Likewise.
5843 2005-01-05  Richard Henderson  <rth@redhat.com>
5845         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5846         and VEC_SELECT.
5847         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5848         (mulv4hi3): Set itanium_class mmmul.
5849         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5850         (fpack): Rename from fpack_sfsf.
5852 2005-01-05  Richard Henderson  <rth@redhat.com>
5854         PR rtl-opt/10692
5855         * reload1.c (do_input_reload): Restrict the optimization deleteing
5856         a previous output reload to RELOAD_FOR_INPUT.
5858 2005-01-05  Steven Bosscher  <stevenb@suse.de>
5860         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
5861         comment that we fall through after case.
5862         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5863         (distribute_links): Likewise.
5864         * cse.c (cse_insn): Likewise.
5865         * cselib.c (cselib_invalidate_mem): Likewise.
5866         * df.c: Update comments at the top of the file.
5867         (read_modify_subreg_p): Update comments here too.
5868         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5869         * flow.c (mark_set_1): Likewise.
5870         (mark_used_regs): Likewise.
5871         * gcse.c (mems_conflict_for_gcse_p): Likewise.
5872         (canon_list_insert): Likewise.
5873         (mark_set): Likewise.
5874         (try_replace_reg): Likewise.
5875         (store_killed_in_insn): Likewise.
5876         * loop.c (count_one_set): Likewise.
5877         (basic_induction_var): Likewise.
5878         * postreload-gcse.c (find_mem_conflicts): Likewise.
5879         * postreload.c (reload_combine_note_store): Likewise.
5880         (move2add_note_store): Likewise.
5881         * reload.c (find_equiv_reg): Likewise.
5882         (mark_referenced_resources): Likewise.
5883         * rtlanal.c (set_noop_p): Likewise.
5884         (note_stores): Likewise.
5885         (note_uses): Likewise.
5886         * sched-deps.c (sched_analyze_1): Likewise.
5887         * sched-rgn.c (check_live_1): Likewise.
5888         (update_live_1): Likewise.
5889         * config/i860/i860.c: Likewise.
5891         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5892         an lvalue.
5893         (ZERO_EXTRACT): Mention that this one can be an lvalue.
5895         * doc/rtl.texi: Update documentation for bit-fields and SET.
5897 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5899         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5901 2005-01-05  Jan Hubicka  <jh@suse.cz>
5902             Richard Henderson  <rth@redhat.com>
5904         PR target/18910
5905         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5906         with an offset.
5908 2005-01-05  Richard Henderson  <rth@redhat.com>
5910         PR target/12902
5911         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5912         (sse_shufps): Change operand 3 to const_int_operand.
5913         (sse2_storelps): Fix typo in template.
5914         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5915         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5916         (ix86_expand_builtin): Likewise.
5918 2005-01-05  Julian Brown  <julian@codesourcery.com>
5920         * config/arm/arm.c (arm_return_in_memory): Treat complex types
5921         as aggregates for AAPCS ABIs.
5923 2005-01-05  Stan Shebs  <shebs@apple.com>
5925         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5926         Mach-O getters if ppc64.
5927         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5928         size argument.
5929         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5930         signed four-byte field for global code case.
5931         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5933 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5935         PR middle-end/19100
5936         * c-common.c: Include real.h.
5937         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5938         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5939         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5940         * Makefile.in (c-common.o): Update dependencies.
5942 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5944         * c-parse.in (asm_string): Add trailing semicolon.
5946 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5948         * c-parse.in (asm_string): New.  Don't allow wide strings in
5949         'asm'.
5950         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5951         asm_string instead of STRING.
5953 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5955         * c-typeck.c (constructor_no_implicit): Remove.
5956         (set_designator, process_init_element): Don't check
5957         constructor_no_implicit.
5959 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
5960             Kaz Kojima  <kkojima@gcc.gnu.org>
5962         PR target/16482
5963         * lcm.c (create_pre_exit): New.
5964         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5965         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
5967 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5969         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5970         -msoft-float in target_float_switch.
5971         * arm.c (arm_override_options): Fix processing of target_float_switch.
5973 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5975         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5976         preferencing.
5978 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
5980         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5981         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5983 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5985         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5986         if deleting the then-block allows the test-block to fallthru to the
5987         else-block.
5989 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
5991         PR c/19152
5992         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5993         after the full declaration if the are in two different TUs.
5995 2005-01-04  Richard Henderson  <rth@redhat.com>
5997         PR tree-opt/19158
5998         * tree-sra.c (generate_one_element_init): Just
5999         call gimplify_and_add.
6000         (generate_element_init): Record the
6001         new referenced variables and mark them for renaming
6002         and split out to ...
6003         (generate_element_init_1): This.
6004         (scalarize_init): Don't call push_gimplify_context/
6005         pop_gimplify_context.
6007 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
6009         * toplev.c (get_src_pwd): Handle failure of getpwd().
6011 2005-01-04  Roger Sayle  <roger@eyesopen.com>
6013         * fold-const.c (fold_single_bit_test): Delete unreachable handling
6014         of TRUTH_NOT_EXPR.
6015         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
6016         all the cases handled by it are inverted by invert_truthvalue.
6018 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6020         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
6021         (save_register_windowsi): Likewise.
6023 2005-01-04  Richard Henderson  <rth@redhat.com>
6025         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
6027 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6029         PR middle-end/17767
6030         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
6031         any simplifications of vector mode comparison operators.
6032         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
6034 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
6035             Devang Patel  <dpatel@apple.com>
6037         PR tree-optimization/18308
6038         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
6039         the operands before creating a new expression.
6040         * dojump.c (do_jump): Make drop_through_label available
6041         for all cases.  Add expansion of COND_EXPR.
6043 2005-01-04  Ira Rosen  <irar@il.ibm.com>
6045         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
6046         INTEGER_CST instead of TREE_CONSTANT.
6047         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
6048         instead of TREE_CONSTANT.
6049         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
6050         instead of TREE_CONSTANT.
6052 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6054         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
6056 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
6058         PR target/19240
6059         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
6060         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
6062 2005-01-03  Richard Henderson  <rth@redhat.com>
6064         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
6065         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
6066         fold_convert_const_real_from_real): Split out from ...
6067         (fold_convert_const): ... here.
6069 2005-01-03  Richard Henderson  <rth@redhat.com>
6071         PR target/19235
6072         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
6073         (mov<MMXMODEI>_internal): Likewise.
6074         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
6075         Add V2SF case; use it for SSE1; don't use TI.
6076         (movdf_integer): Likewise.
6077         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
6079 2005-01-03  Ira Rosen  <irar@il.ibm.com>
6081         * tree-vectorizer.c (vect_strip_conversions): New function.
6082         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
6083         check for binary class.
6085 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
6087         Fix PR debug/17924
6088         Fix PR debug/19191
6089         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
6090         is a decl.
6091         * gimple-low.c (mark_blocks_with_used_vars): New function.
6092         (mark_blocks_with_used_subblocks): Ditto.
6093         (mark_used_blocks): Ditto.
6094         (pass_mark_used_blocks): New pass.
6095         * tree-inline.c: Include debug.h.
6096         (expand_call_inline): Call outlining_inline_function here.
6097         * tree-optimize.c (init_tree_optimization_passes): Add
6098         pass_mark_used_blocks.
6099         * tree-pass.h (pass_mark_used_blocks): New.
6100         * Makefile.in (tree-inline.o): Add debug.h dependency.
6102 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
6104         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
6105         VAR_DECLs to have weak_import attribute.
6107         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
6108         'struct ucontext'.
6110 2004-01-03  Steven Bosscher  <stevenb@suse.de>
6112         * passes.c (rest_of_compilation): Don't run regmove if only
6113         flag_expensive_optimizations, require flag_regmove instead.
6115 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6117         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
6118         register "sparc".
6119         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
6120         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6121         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
6122         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6124 2005-01-03  Richard Henderson  <rth@redhat.com>
6126         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
6127         (ia64_const_ok_for_letter_p): New.
6128         (ia64_const_double_ok_for_letter_p): New.
6129         (ia64_extra_constraint): New.
6130         (ia64_expand_vecint_compare): New.
6131         (ia64_expand_vcondu_v2si): New.
6132         (ia64_expand_vecint_cmov): New.
6133         (ia64_expand_vecint_minmax): New.
6134         (ia64_print_operand): Add 'v'.
6135         (ia64_preferred_reload_class): New.
6136         (ia64_vector_mode_supported_p): New.
6137         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
6138         (PREFERRED_RELOAD_CLASS): Move to function.
6139         (CONST_OK_FOR_LETTER_P): Move to function.
6140         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
6141         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
6142         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
6143         (EXTRA_CONSTRAINT): Move to function.
6144         * config/ia64/ia64.md: Include vect.md.
6145         (itanium_class): Add mmalua.
6146         (type): Handle it.
6147         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
6148         (1b_mmalua): New.
6149         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
6150         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
6151         CONST0_RTX.
6152         (const_int_2bit_operand): New.
6153         (fr_reg_or_0_operand): New.
6154         * config/ia64/ia64-modes.def: Add vector modes.
6155         * config/ia64/ia64-protos.h: Update.
6156         * config/ia64/vect.md: New file.
6158 2005-01-03  Richard Henderson  <rth@redhat.com>
6160         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
6162 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
6164         PR target/19236
6165         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
6166         to SFmode.
6167         (log1pdf2): Change mode of operands[0,1] to DFmode.
6169 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
6171         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
6172         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
6173         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
6174         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
6175         SPARC_RELAXED_ORDERING.
6177 2005-01-03  Richard Henderson  <rth@redhat.com>
6178             Uros Bizjak  <uros@kss-loka.si>
6180         PR target/14631
6181         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
6182         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
6183         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
6184         handling.
6185         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
6186         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
6187         const_pow2_1_to_128_operand): New predicates.
6189 2005-01-02  Greg McGary  <greg@mcgary.org>
6191         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
6192         anonymous decls.
6193         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
6194         object.  [ptr_type]: Remove unused variable.
6195         Remember nearest addressable array-element or record-component
6196         when checking bitfield components.  Tolerate empty BIND_EXPR.
6198 2005-01-01  Richard Henderson  <rth@redhat.com>
6200         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
6201         that don't narrow the value.  Fail for other conversions.
6203 2005-01-01  Richard Henderson  <rth@redhat.com>
6205         PR c/19031
6206         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
6207         * c-lang.c (finish_file): Don't do it here.
6208         * objc/objc-act.c (objc_finish_file): Likewise.
6210         * cgraph.c (decl_assembler_name_equal): New.
6211         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
6212         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
6213         * cgraph.h (struct cgraph_varpool_node): Add next.
6214         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
6215         * varasm.c (assemble_alias): Mark the target as needed.
6217 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
6219         PR middle-end/19221
6220         * function.c (get_arg_pointer_save_area): Use entry_of_function
6221         instead of get_insns.
6223 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6224             Andrew Pinski  <pinskia@physics.uc.edu>
6225             James E. Wilson  <wilson@specifixinc.com>
6227         PR rtl-optimization/12092
6228         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
6229         is zero.
6231 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6232             Olivier Hainque  <hainque@act-europe.fr>
6234         * tree.c (int_fits_type_p): A narrower type always fits in a
6235         wider one, except for negative values into unsigned types.
6237 2005-01-01  Roger Sayle  <roger@eyesopen.com>
6239         * tree.c (int_fits_type_p): Compare the result of force_fit_type
6240         with the original constant rather than require TREE_OVERFLOW.
6242 2005-01-01  Steven Bosscher  <stevenb@suse.de>
6244         PR middle-end/17544
6245         * c-decl.c (finish_function): If compiling C99, annotate the
6246         compiler generated return with the current file name and line 0.
6247         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
6248         the source line is greater than 0.
6249         (remove_bb): Likewise.
6251 See ChangeLog.12 for earlier changes.