1 2006-09-01 Josh Conner <jconner@apple.com>
4 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5 (execute_return_slot_opt): Use it.
7 2006-08-31 Josh Conner <jconner@apple.com>
10 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
13 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
15 PR tree-optimization/28839
16 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
17 blocks in that phi arguments appear.
19 2006-08-31 Roger Sayle <roger@eyesopen.com>
22 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
23 NULL, otherwise use an advance_loc4 to adjust relative to the
25 (output_cfi) <DW_CFA_set_loc>: Update the current label.
26 (dwarf2out_switch_text_section): Reset the current label to avoid
27 using advance_loc4 over section boundaries.
29 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
32 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
35 2006-08-30 Richard Guenther <rguenther@suse.de>
37 * Makefile.in (see.o): Add $(EXPR_H) dependency.
39 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
41 PR rtl-optimization/27735
42 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
43 Add new argument to keep track of whether an irreducible region
44 was affected. All callers changed.
45 (fix_irreducible_loops): Removed.
46 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
47 flags were invalidated.
49 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
51 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
52 instead of SF operands.
53 (*fop_df_comm_sse): Likewise.
54 (*fop_df_comm_i387): Likewise.
55 (*fop_df_1_mixed): Likewise.
56 (*fop_df_1_sse): Likewise.
58 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
59 J"orn Rennecke <joern.rennecke@st.com>
61 PR tree-optimization/17506
62 * tree-ssa.c (warn_uninit): If warning about a location outside of
63 the current function, note where the variable was declared.
65 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
67 PR tree-optimization/28411
68 * double-int.c (double_int_div): Use double_int_divmod.
69 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
70 double_int_mod, double_int_smod, double_int_umod): New functions.
71 * double-int.h (double_int_divmod, double_int_sdivmod,
72 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
74 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
76 (get_computation_aff, get_computation_cost_at): Handle double_int
77 return type of constant_multiple_of.
79 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
82 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
83 an implicit conversion.
85 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
87 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
89 2006-08-27 Roger Sayle <roger@eyesopen.com>
91 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
94 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
96 * config/i386/crtfastmath.c: Fix a comment typo.
98 2006-08-26 Roger Sayle <roger@eyesopen.com>
100 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
101 temporary visit flags on CASE_LABEL_EXPRs.
102 * c-common.c (match_case_to_enum): Add function comment. Avoid
103 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
104 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
105 CASE_HIGH_SEEN for enumerated types. If the switch expression is
106 a constant, only warn if that constant value isn't handled.
108 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
111 * input.h (restore_input_file_stack): Declare.
112 (INPUT_FILE_STACK_BITS): Define.
113 * toplev.c (fs_p, input_file_stack_history,
114 input_file_stack_restored, restore_input_file_stack): New.
115 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
116 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
117 (pop_srcloc): Don't free old state of stack.
119 2006-08-26 David Edelsohn <edelsohn@gnu.org>
122 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
123 (PowerPC Type Attributes): New.
125 2006-08-26 Bob Wilson <bob.wilson@acm.org>
127 * config/xtensa/xtensa.c (function_arg_boundary): New.
128 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
130 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
131 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
133 2006-08-26 Jakub Jelinek <jakub@redhat.com>
136 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
139 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
141 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
142 (verify_local_live_at_start): Likewise.
144 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
147 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
148 omp_add_variable): Treat sizes as variable whenever not
151 2006-08-26 Richard Guenther <rguenther@suse.de>
154 * fold-const.c (fold_binary): Fold temporary to correct
155 type before constructing new comparison.
157 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
160 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
161 variable again if DECL_SEEN_IN_BIND_EXPR_P.
163 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
166 * c-decl.c (start_function): Don't try to process prototype
167 information from old declaration that isn't a function.
169 2006-08-25 Jan Hubicka <jh@suse.cz>
172 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
174 2006-08-25 Alan Modra <amodra@bigpond.net.au>
177 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
180 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
182 PR tree-optimization/16876
183 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
184 exit if PARM doesn't match VALUE.
186 2006-08-25 Bob Wilson <bob.wilson@acm.org>
188 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
189 literal_prefix directive.
190 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
191 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
192 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
194 2006-08-25 David Edelsohn <edelsohn@gnu.org>
197 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
198 predicate to general_operand. Add 0->y and I->r alternatives.
200 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
202 * doc/tm.texi: Fix a typo.
203 * predict.c: Fix comment typos.
205 2006-08-25 Nick Clifton <nickc@redhat.com>
207 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
208 assertions of "cpu" and "machine".
210 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
213 * tree-ssa-operands.c (access_can_touch_variable): Don't say
214 the access through a base which has an alias set of 0 cannot
217 2006-08-24 Bill Wendling <wendling@apple.com>
219 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
221 2006-08-24 Jan Hubicka <jh@suse.cz>
223 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
225 2006-08-24 Jan Hubicka <jh@suse.cz>
228 * cgraph.c: Fix comments.
229 (cgraph_varpool_mark_needed_node): Mark only variables not already
231 * cgraphunit.c: Update comments; include gt-cgraphunit.h
232 (cgraph_varpool_assembled_nodes_queue): New static variable.
233 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
234 (cgraph_varpool_output_debug_info): New function.
235 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
236 * Makefile.in: Add gt-cgraphunit.h
238 2006-08-24 Jan Hubicka <jh@suse.cz>
240 * predict.c (probability_reliable_p): New predicate.
241 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
242 (predict_loops): Do not predict loop exit with less than 2%
244 * basic-block.h (edge_probability_reliable_p,
245 br_prob_note_reliable_p): Declare.
246 * ia64.h (ia64_print_operand): Do not disable on-chip branch
247 prediction when static predictor is not reliable.
248 * rs6000.c (output_cbranch): Likewise.
250 2006-08-23 Stuart Hastings <stuart@apple.com>
253 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
254 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
256 2006-08-21 Geoffrey Keating <geoffk@apple.com>
259 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
260 complex values, nor for generic vector values.
262 2006-08-22 Richard Guenther <rguenther@suse.de>
265 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
266 parameter. Convert arguments to arithmetic expression to the
268 (analyze_scalar_evolution_1): Adjust caller.
270 2006-08-22 Jan Hubicka <jh@suse.cz>
272 Patch by Paolo Bonzini
273 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
276 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
278 PR tree-optimization/28003
279 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
280 before grouping aliases.
282 2006-08-22 Roger Sayle <roger@eyesopen.com>
284 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
285 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
287 2006-08-21 Jason Merrill <jason@redhat.com>
290 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
291 wrapper. Loop to handle nested wrappers.
292 (gimplify_bind_expr): Remove temp parameter.
293 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
294 and STATEMENT_LIST on the rhs.
295 (gimplify_statement_list): Voidify the STATEMENT_LIST.
296 (gimplify_expr): Pass pre_p to gimplify_statement_list.
297 (gimplify_target_expr): Remove special BIND_EXPR handling.
299 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
301 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
304 2006-08-21 Olivier Hainque <hainque@adacore.com>
306 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
307 Arrange for the temporary captures of components overlapping the lhs
308 to happen before the lhs is possibly cleared.
310 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
312 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
313 necessary places to pass the correct "number of registers" values
316 2006-08-20 Jan Hubicka <jh@suse.cz>
318 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
319 (create_name_tags): Instead of quadratic checking use hashtable.
320 * bitmap.h: Include hashtab.h.
321 (bitmap_hash): Declare.
322 * bitmap.c (bitmap_hash): New function.
324 2006-08-20 Jan Hubicka <jh@suse.cz>
326 PR rtl-optimization/28071
327 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
329 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
330 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
331 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
332 cgraph_decide_inlining_incrementally): Update use of
333 cgraph_check_inline_limits.
334 * cgraph.c (edge_hash, edge_eq): New function.
335 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
336 cgraph_edge_remove_caller, cgraph_node_remove_callees,
337 cgraph_remove_node): Maintain call site hash.
338 * cgraph.h (struct cgraph_node): Add call_site_hash.
339 (cgraph_set_call_stmt): New function.
341 2006-08-20 Jan Hubicka <jh@suse.cz>
343 PR rtl-optimization/28071
344 * reload1.c (reg_has_output_reload): Turn into regset.
345 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
346 choose_reload_regs, emit_reload_insns): Update to new
347 reg_has_output_reload.
349 2006-08-20 Jan Hubicka <jh@suse.cz>
352 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
354 * cgraphunit.c (cgraph_analyze_function): Don't do so.
356 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
359 * tree.c (handle_dll_attribute): Return early if not a
360 var or function decl.
362 2006-08-18 Joseph Myers <joseph@codesourcery.com>
365 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
366 alignment of SPE vector types.
368 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
370 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
372 2006-08-17 Jakub Jelinek <jakub@redhat.com>
375 * cgraph.h (struct cgraph_node): Remove externally_visible
377 * cgraphunit.c (process_function_and_variable_attributes): Set
378 local.externally_visible rather than externally_visible.
381 * c-common.c (handle_externally_visible_attribute): First look
382 at TREE_CODE and only if it is function or var decl, check for
383 non-public objects. Don't warn for DECL_EXTERNAL.
384 * cgraphunit.c (process_function_and_variable_attributes): Warn
385 if externally_visible attribute is used on non-public object.
387 2006-08-17 Jan Hubicka <jh@suse.cz>
389 PR tree-optimization/27865
390 * reload1.c (forget_marked_reloads): New function.
391 (forget_old_reloads_1): When data are passed, just mark the registers
393 (reload_as_needed): Use the new mechanizm.
395 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
398 * reload.h (reg_equiv_alt_mem_list): New declaration.
399 * reload1.c (reg_equiv_alt_mem_list): New definition.
400 (reload): Initialize it and release it.
401 (delete_output_reload): Use it.
402 * reload.c (push_reg_equiv_alt_mem): New function.
403 (find_reloads_toplev): Call it.
404 (find_reloads_address, find_reloads_address_1): Likewise.
405 (find_reloads_subreg_address): Likewise.
407 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
409 PR rtl-optimization/28489
410 * sched-ebb.c (begin_schedule_ready): Create basic block
412 (advance_target_bb): Skip empty blocks.
413 * haifa-sched.c (bb_note): Make global.
414 * sched-int.h (bb_note): Add prototype.
416 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
418 PR tree-optimization/27865
419 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
421 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
422 fold_used_pointer, pointer_used_p): New functions.
423 (analyze_scalar_evolution_1): Use fold_used_pointer.
424 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
425 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
428 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
431 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
432 or the INTEGER_CST. Fail on a CALL_EXPR.
433 (fold_offsetof): Pass new argument to fold_offsetof_1.
434 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
435 operand into an INDIRECT_REF.
436 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
438 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
440 PR gcov/profile/26570
441 * value-prof.c (static_values): Removed.
442 (tree_find_values_to_profile): Do not set static_values.
443 (find_values_to_profile): Do not free static_values.
444 * profile.c (instrument_values): Do not free the values.
445 (branch_prob): Free the values.
447 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
449 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
451 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
454 * c-typeck.c (build_component_ref): Combine qualifiers of
455 structure or union and field.
457 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
459 PR rtl-optimization/28071
460 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
461 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
462 * tree-into-ssa.c (struct dom_dfsnum): New.
463 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
465 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
466 compute_global_livein.
467 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
468 in phi nodes in the correct blocks.
470 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
472 PR tree-optimization/28364
473 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
475 (fold_affine_expr): New function.
476 (may_eliminate_iv): Use fold_affine_expr.
478 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
481 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
484 2006-08-16 Mike Stump <mrs@apple.com>
486 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
487 * doc/cppopts.texi (-MD): Likewise.
489 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
492 * c-common.c (handle_weak_attribute): Ignore and warn if
493 not a FUNCTION_ or VAR_DECL.
495 2006-07-15 Mike Stump <mrs@apple.com>
498 * c-parser.c (c_parser_typeof_specifier): Don't use
499 c_finish_expr_stmt, open code desired semantics instead.
501 2006-08-15 Nick Clifton <nickc@redhat.com>
503 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
504 fragment to tmake_file only if threads are enabled.
505 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
506 * config/i386/t-gthr-win32: New file. ... here.
508 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
511 * c-parser.c (c_parser_compound_statement_nostart): Reset
512 parser->error after each statement.
514 2006-08-15 Jakub Jelinek <jakub@redhat.com>
517 * omp-low.c (lower_omp_parallel): Convert t to
518 receiver_decl's type.
519 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
520 source before comparison.
523 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
524 to itype in assignment to oldival2.
526 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
530 * c-typeck.c (build_compound_expr): If the second expression
531 is an error mark, then just return an error mark instead of
532 creating a COMPOUND_EXPR.
534 2006-07-14 Mike Stump <mrs@apple.com>
536 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
538 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
540 * c-decl.c, var-tracking.c: Fix comment typos.
542 2006-08-14 Richard Sandiford <richard@codesourcery.com>
544 PR rtl-optimization/28634
545 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
546 for floating-point modes unless flag_unsafe_math_optimizations.
548 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
549 Andrew Pinski <pinskia@physics.uc.edu>
552 * tree.c (build_array_type): Unify array types with
553 unspecified index_type.
554 * c-decl.c (grokdeclarator): Make sure we do not modify a
555 unified incomplete array type.
556 * c-typeck.c (store_init_value): Create distinct type before
557 filling in the index type in an initializer from a compound
560 * c-decl.c (grokdeclarator): Remove code where we copy the
563 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
565 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
566 into account for TODO_dump_cgraph.
567 (TODO_update_ssa_no_phi): Likewise.
568 (TODO_update_ssa_full_phi): Likewise.
569 (TODO_update_ssa_only_virtuals): Likewise.
570 (TODO_remove_unused_locals): Likewise.
571 (TODO_set_props): Likewise.
572 (TODO_update_stmt_usage): Likewise.
574 2006-08-13 Dirk Mueller <dmueller@suse.de>
576 * c-common.c (strict_aliasing_warning): Fix formatting.
578 2006-08-13 Matthias Klose <doko@debian.org>
580 * doc/invoke.texi: Fix spelling errors.
582 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
584 PR rtl-optimization/23454
585 * reorg.c (relax_delay_slots): Update comment.
587 2006-08-11 Richard Guenther <rguenther@suse.de>
590 * simplify-rtx.c (simplify_const_relational_operation):
591 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
594 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
596 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
597 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
599 2006-08-10 Paul Brook <paul@codesourcery.com>
601 * final.c (final_scan_insn): Clear current_insn_predicate before
602 outputting inline asm.
604 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
606 PR tree-optimization/26197
607 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
608 get_ref_base_and_extent and overlap_subvar to add only relevant
609 subvars as may-aliases.
610 (add_may_alias_for_new_tag): New function, factored out of
612 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
613 with additional argument.
614 * tree-flow.h (new_type_alias): Takes additional argument.
616 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
618 * gcov.c (no_data_file): New flag.
619 (read_count_file): Set it if data file not present. Assume counts
621 (output_lines): Don't name the data file, if there wasn't one.
623 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
625 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
626 (rs6000_generate_compare): Tweak comments.
627 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
629 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
631 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
632 (var_debug_decl): New function.
633 (var_reg_set): Follow debug decl link. Add location even if
634 reg is already known to hold some other variable.
635 (var_mem_set): Follow debug decl link.
636 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
637 decl link. Delete other known locations of the variable part
639 (var_reg_delete, var_mem_delete): Delete other known locations
640 of the variable part if requested.
641 (same_variable_part_p): New function.
642 (add_stores): Select MO_COPY when appropriate.
643 (vt_initialize): Handle it.
644 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
645 known locations for MO_SET and MO_CLOBBER.
646 (find_variable_location_part): New function.
647 (set_variable_part, delete_variable_part): Use it.
648 (clobber_variable_part): New function.
649 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
652 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
654 PR tree-optimization/26969
655 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
656 with an empty list of PHIs.
658 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
662 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
665 2006-08-06 Andreas Schwab <schwab@suse.de>
667 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
668 string. Whitespace and comment fixup.
670 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
673 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
677 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
680 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
682 2006-08-04 Jan Hubicka <jh@suse.cz>
686 * reload.c (push_reload): Patch out the mismatching instruction;
688 (find_reload): Bail out if the instruction was patched out.
690 2006-08-04 Jan Hubicka <jh@suse.cz>
692 PR tree-optimization/24888
693 * tree-inline.c (expand_call_inline): Do not re-record variables.
694 (declare_inline_vars): Add variable to unexpanded_var_list.
696 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
697 Roger Sayle <roger@eyesopen.com>
699 PR rtl-optimization/26244
700 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
701 inner_const are negative or greater than or equal to the bitsize of
702 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
703 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
704 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
705 CONST0_RTX (mode) when the new shift count is greater than or equal to
706 to the bitsize of the object being shifted and XEXP (y, 0) has no side
709 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
711 * tree-cfg.c: Fix a comment typo.
713 2006-08-03 Mark Mitchell <mark@codesourcery.com>
716 * varasm.c (output_constant): Give the front end another chance to
717 expand constants, after stripping NOPs.
719 2006-08-03 Jan Hubicka <jh@suse.cz>
721 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
724 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
726 PR tree-optimization/27770
727 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
728 declaration removed (moved to tree-flow.h).
729 (vect_can_force_dr_alignment_p): Likewise.
730 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
731 (moved from tree-vectorizer.h).
732 (vect_can_force_dr_alignment_p): Likewise.
733 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
734 from outside the vectorizer - in particular from cgraph stage.
735 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
736 the alignment of global arrays when -fsection-anchors is enabled.
737 * cgraphunit.c (cgraph_increase_alignment): New function.
738 (cgraph_optimize): Call cgraph_increase_alignment.
740 2006-08-03 David Edelsohn <edelsohn@gnu.org>
743 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
744 not reload a SPE symbol_ref into a lo_sum address.
746 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
749 * dwarf2out.c (prune_unused_types_prune): Move call to
750 prune_unused_types_update_strings to cover the parent DIE also.
752 2006-08-02 Jan Hubicka <jh@suse.cz>
754 PR gcov/profile/28480
755 * tree-cfg.c (change_bb_for_stmt): New function.
756 (tree_merge_blocks, tree_split_blocks): Use it.
758 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
764 * toplev.c (compile_file): Return early on errorcount or sorrycount.
765 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
766 (cgraph_optimize): Likewise.
768 2006-08-01 Stuart Hastings <stuart@apple.com>
770 * rtl.h (UINTVAL) New.
771 * config/rs6000/rs6000.c (SMALL_INT) Use it.
772 * testsuite/gcc.dg/20060801-1.c: New.
774 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
777 * c-typeck.c (build_external_type): Mark used enum types.
778 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
780 (gen_subprogram_die): Whitespace fix.
782 2006-08-01 Jan Hubicka <jh@suse.cz>
784 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
785 bitmap when not needed.
786 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
789 2006-08-01 Dirk Mueller <dmueller@suse.de>
791 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
793 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
795 * Makefile.in: Revert part of previous patch:
796 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
799 2006-07-30 Eric Christopher <echristo@apple.com>
802 * doc/extend.texi (i386 Variable Attributes): Add anchor.
803 (PowerPC Variable Attributes): New section.
805 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
807 PR target/28126 (partial fix)
808 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
810 2006-07-28 Jan Hubicka <jh@suse.cz>
812 PR rtl-optimization/28071
813 * cfgrtl.c (rtl_delete_block): Free regsets.
814 * flow.c (allocate_bb_life_data): Re-use regsets if available.
816 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
818 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
819 and variables used in dependencies.
821 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
823 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
824 %fs for -mcmodel=kernel.
825 (stack_tls_protect_test_di): Likewise.
827 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
829 * Makefile.in: Use mkinstalldirs.
831 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
834 * opts-common.c (prune_options): Skip joined switches.
836 2006-07-27 Jan Hubicka <jh@suse.cz>
838 PR rtl-optimization/28071
839 * cselib.c (cselib_process_insn): Don't remove useless values too
840 often for very large hashtables.
842 2006-07-27 Jan Hubicka <jh@suse.cz>
844 PR rtl-optimization/28071
845 * global.c (greg_obstack): New obstack.
846 (allocate_bb_info): Use it.
847 (free_bb_info): Likewise.
848 (modify_reg_pav): Likewise.
850 2006-07-27 Roger Sayle <roger@eyesopen.com>
852 * builtins.c (fold_fixed_mathfn): When long and long long are the
853 same size, canonicalize llceil*, llfloor*, llround* and llrint*
854 functions to their lceil*, lfloor*, lround* and lrint* forms.
856 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
859 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
861 (rev_branch_insn): Likewise.
863 2006-07-27 Jan Hubicka <jh@suse.cz>
865 PR rtl-optimization/28071
866 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
867 (reg_set_in_bb, max_reg_computed): New static variables.
868 (regmove_optimize): Free the new array.
869 (fixup_match_1): Update call of reg_is_remote_constant_p.
871 2006-07-26 Jan Hubicka <jh@suse.cz>
873 PR tree-optimization/27882
874 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
876 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
878 (cgraph_analyze_compilation_unit): Likewise.
879 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
880 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
881 (cgraph_early_inlinine): Make order garbage collected.
882 * Makefile.in (gt-ipa-inline): New garbagecollected file.
884 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
886 * dbxout.c (output_types_sort): Add a comment.
887 (output_used_types): Free the VEC.
889 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
891 * function.c (reorder_fix_fragments): Delete.
892 (reorder_blocks): Don't call it.
893 (reorder_blocks_1): Put all subblocks under the origin block.
895 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
897 PR rtl-optimization/27907
898 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
901 2006-07-25 Roger Sayle <roger@eyesopen.com>
904 * convert.c (convert_to_integer): When transforming (T)foo(x) into
905 bar(x) check that bar's result type can represent all the values of T.
907 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
909 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
911 2006-07-25 Nick Clifton <nickc@redhat.com>
913 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
915 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
916 (ggc_pch_count_object): Likewise.
917 (ggc_pch_alloc_object): Likewise.
918 (ggc_pch_write_object): Likewise.
919 (init_ggc): Do not attempt to initialize entries in the
920 size_lookup[] array for objects whose size is greater than than
921 the length of the array.
923 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
925 * dbxout.c (output_used_types_helper): Push queued types
927 (output_types_sort): New.
928 (output_used_types): Collect used types on a VEC and sort them
931 2006-07-24 Richard Guenther <rguenther@suse.de>
934 * cgraph.c (cgraph_remove_node): Do not check if dumps
936 * cgraphunit.c (cgraph_optimize): Likewise.
938 2006-07-24 Jan Hubicka <jh@suse.cz>
940 PR rtl-optimization/28071
941 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
942 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
943 splitting before first stmt.
945 2006-07-24 Jan Hubicka <jh@suse.cz>
947 PR rtl-optimization/28071
948 * ipa-inline.c (update_caller_keys): Remove edges that
949 are no longer inline candidates.
951 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
954 * dbxout.c (output_used_types_helper, output_used_types): New.
955 (dbxout_symbol): Call output_used_types.
957 2006-07-23 Jan Hubicka <jh@suse.cz>
961 * cgraph.c (cgraph_varpool_nodes): Export.
962 (decide_is_variable_needed): Ignored "used" attribute in
964 * cgraph.h (cgraph_varpool_nodes): Declare.
965 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
968 2006-07-23 Roger Sayle <roger@eyesopen.com>
971 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
972 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
973 the __gthrw form of thr_keycreate.
974 (__gthread_key_delete): Silence the unused argument warning.
976 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
979 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
980 Cache the last found '\0' marker to avoid quadratic behavior.
982 2006-07-23 Jan Hubicka <jh@suse.cz>
984 * i386.md (subsi_3_zext): Fix output template.
986 2006-07-21 Mike Stump <mrs@apple.com>
988 * doc/invoke.texi (C++ Dialect Options): Note that
989 -fvisibility-inlines-hidden doesn't affect explicitly
990 instantiationed inline methods.
992 2006-07-20 Roger Sayle <roger@eyesopen.com>
994 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
995 if the target assembler is GNU binutils' gas.
996 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
997 whether to pass GNU gas or native as command line options.
999 2006-07-20 Jason Merrill <jason@redhat.com>
1001 * tree.c (remove_attribute): New fn.
1002 * tree.h: Declare it.
1004 2006-07-20 Paul Brook <paul@codesourcery.com>
1007 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1008 they are invalidated by this instruction.
1010 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1013 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1015 2006-07-20 Eric Christopher <echristo@apple.com>
1018 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1020 2006-07-19 Eric Christopher <echristo@apple.com>
1022 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1023 Rewrite dependencies for libgcc_s.1.dylib.
1025 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1027 * except.c (duplicate_eh_regions_1): Clear next_peer.
1029 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1031 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1032 -mlongcall does not guarantee all calls will be long.
1033 * doc/extend.texi (long_call/short_call): Document that longcall
1034 does not guarantee a long call will be used.
1035 (longcall/shortcall): Likewise.
1037 2006-07-18 Roger Sayle <roger@eyesopen.com>
1040 * expmed.c (expand_shift): Additionally check that the shift_cost
1041 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1042 before implementing a LSHIFT_EXPR as a sequence of additions.
1043 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1044 middle-end that DImode shifts need to be synthesized by expand.
1046 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1049 * tree-ssa-operands.c (access_can_touch_variable): Update
1051 Return true if ALIAS is .GLOBAL_VAR.
1053 2006-07-18 David Daney <ddaney@avtrex.com>
1055 * gcc.c (display_help): Fix typo in help text.
1057 2006-07-18 Olivier Hainque <hainque@adacore.com>
1059 * tree.h (categorize_ctor_elements): Adjust prototype and add
1060 descriptive comment, both in accordance with the interface change
1062 * varasm.c (constructor_static_from_elts_p): New function.
1063 Whether a constructor node is a valid static constant initializer
1064 if all its elements are.
1065 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1066 * output.h: Declare it.
1067 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1068 is a valid constant initializer instead of computing the number of
1069 non-constant elements. Use constructor_static_from_elts_p for this
1070 purpose. Replace the head comment with an indication that this is a
1071 helper for categorize_ctor_elements.
1072 (categorize_ctor_elements): Same interface change as for the _1
1073 helper. Former head comment from this helper moved here, adjusted to
1074 account for the interface changes.
1075 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1076 (all_zeros_p): Likewise.
1077 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1078 static versions of the constructor from the categorize_ctor_elements
1079 return value instead of the formerly computed number of non-constant
1082 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1084 * configure: Regenerate.
1085 * Makefile.in (build_libsubdir): New configure substitution
1086 (build_libobjdir): New variable.
1087 (BUILD_LIBIBERTY): Use it.
1089 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1092 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1094 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1097 * c-common.c (handle_weakref_attribute): Ignore attribute in
1098 the same conditions the alias attribute is ignored.
1100 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1102 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1103 (dbxout_begin_prologue): Increment scope_labelno.
1105 2006-07-17 Richard Henderson <rth@redhat.com>
1108 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1111 2006-07-17 Roger Sayle <roger@eyesopen.com>
1112 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1114 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1115 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1116 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1117 functions such as sbrk, write, etc.. Add function prototypes.
1118 Convert function declarations from K&R to ISO C. Cast pointers
1119 to "long" and "unsigned long" instead of "int" and "unsigned int".
1120 Convert tokens following #endif into comments.
1122 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1124 * invoke.texi: Remove mention of f77; Reformat table for
1125 inline parameter options correctly; mention that -malign-double
1126 is default on x86-64 targets.
1128 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1130 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1131 (convert_affine_scev, chrec_convert_aggressive): Use
1132 avoid_arithmetics_in_type_p. Do not check for the subtypes
1135 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1138 * optabs.c (expand_doubleword_shift): Wrap the call to
1139 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1141 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1144 * optabs.c (expand_binop): Pass next_methods rather than methods
1145 to expand_doubleword_shift.
1147 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1150 * tree.h (dump_addr): Declare.
1151 * print-tree.c (dump_addr): New function.
1152 (print_node_brief, print_node): Use it.
1153 * print-rtl.c (print_rtx): Likewise.
1154 * common.opt (-fdump-noaddr): New option.
1155 * doc/invoke.texi (-fdump-noaddr): Document.
1156 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1157 (ve_info_hash): Likewise.
1159 2006-07-13 Andrew Haley <aph@redhat.com>
1161 PR tree-optimization/19505
1162 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1163 edge leaving this block, make sure that the destination of this
1164 block has only one predecessor.
1166 2006-07-17 Richard Guenther <rguenther@suse.de>
1168 PR tree-optimization/28238
1169 * tree-inline.c (copy_bb): Check if we produced valid
1170 gimple copying and substituting a stmt. If not, gimplify
1173 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1175 * optabs.c (maybe_encapsulate_block): New function extracted from...
1176 (emit_libcall_block): ...here. Invoke it on the block of insns to
1177 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1178 (emit_no_conflict_block): Likewise.
1180 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1182 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1184 2006-07-15 Roger Sayle <roger@eyesopen.com>
1186 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1187 a new NOP_EXPR case of the switch statement.
1189 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1192 * stor-layout.c (place_field): Take the bit field with
1193 an excessive size into account in the ms-bitfiled case.
1196 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1197 the previous bit field.
1199 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1202 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1204 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1206 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1207 signal frames correctly even when the signal was installed with
1210 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1212 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1213 (dbxout_function_end): Use local label LFBB. Remove hook
1215 (dbxout_source_line): Use local label LFBB.
1216 (dbxout_block): Likewise.
1217 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1218 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1219 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1220 and DBX_OUTPUT_NFUN.
1222 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1224 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1226 2006-07-13 Jan Hubicka <jh@suse.cz>
1228 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1230 * output.h (align_variable): Declare.
1231 * varasm.c (align_variable): Export.
1232 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1233 when basic block changed.
1235 2006-07-13 Nick Clifton <nickc@redhat.com>
1237 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1238 walking the LOG_LINKS chain.
1240 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1242 * doc/invoke.texi (C++ Dialect Options): Explain difference
1243 between -fvisibility-inlines-hidden and setting hidden
1244 visibility explicitly.
1246 2006-07-12 Eric Christopher <echristo@apple.com>
1248 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1249 (stmp-lipo): Depend on libgcc.a.
1251 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1253 * tree.c: Fix a comment typo.
1255 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1257 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1259 (umulhisi3_r): Likewise.
1261 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1264 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1265 x < 19, vs wchar_t support.
1267 2006-07-12 Nick Clifton <nickc@redhat.com>
1269 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1270 instead of -isa=sh4.
1272 2006-07-12 Mike Stump <mrs@apple.com>
1274 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1276 2006-07-10 Eric Christopher <echristo@apple.com>
1278 * config/t-slibgcc-darwin: Rewrite.
1280 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1283 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1286 2006-07-08 Matthias Klose <doko@debian.org>
1288 * doc/sourcebuild.texi: Fix typo.
1290 2006-07-07 Mike Stump <mrs@apple.com>
1292 * toplev.c (process_options): Don't give -ffunction-sections may
1293 affect debugging warning for Mach-O.
1295 2006-07-07 James E Wilson <wilson@specifix.com>
1297 * config/mips/mips.md (cpu): Add sb1a.
1298 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1299 addition to sb1. Adjust comments to clarify SB-1A differences from
1301 (ir_sb1a_load): New. Modify bypasses to use it.
1302 (ir_sb1a_simple_alu): Likewise.
1303 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1304 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1305 (mips_issue_rate): Add PROCESSOR_SB1A.
1306 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1307 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1308 (TARGET_SB1): Add PROCESSOR_SB1A check.
1309 (TUNE_SB1): Likewise.
1311 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1312 * config/mips/mips.c (mips_store_data_bypass_p): New.
1313 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1314 store_data_bypass_p.
1316 2006-07-08 Paul Brook <paul@codesourcery.com>
1319 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1321 2006-07-07 Richard Guenther <rguenther@suse.de>
1324 * tree.h (build_one_cst): Declare.
1325 * tree.c (build_one_cst): New function.
1326 * tree-ssa-math-opts.c (get_constant_one): Remove.
1327 (insert_reciprocals): Use build_one_cst.
1328 * fold-const.c (fold_plusminus_mult): Likewise.
1330 2006-07-07 Roger Sayle <roger@eyesopen.com>
1332 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1333 * cfgloopanal.c (dump_graph): Likewise.
1334 * dojump.c (discard_pending_stack_adjust): Likewise.
1335 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1337 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1338 * function.c (finalize_block_changes): Likewise.
1339 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1340 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1341 * rtl.c (dump_rtx_statistics): Likewise.
1342 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1344 * varray.c (dump_varray_statistics): Likewise.
1345 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1346 decode_decimal64, encode_decimal128, decode_decimal128,
1347 decimal_real_to_decimal): Likewise.
1349 2006-07-07 Richard Guenther <rguenther@suse.de>
1351 PR tree-optimization/28187
1352 * tree-vrp.c (vrp_operand_equal_p): New function.
1353 (vrp_bitmap_equal_p): Likewise.
1354 (update_value_range): Use them to compare old and new
1357 2006-07-06 Roger Sayle <roger@eyesopen.com>
1359 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1360 a default case to switch statement to silence compiler warnings.
1362 2006-07-06 Roger Sayle <roger@eyesopen.com>
1365 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1366 the configured assembler supports the x87's ffreep mnemonic.
1367 * configure: Regenerate.
1368 * config.in: Regenerate.
1370 * config/i386/i386.c (output_387_ffreep): New function.
1371 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1372 (output_387_reg_move): Likewise.
1374 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1376 Port to hosts whose 'sort' and 'tail' implementations
1377 treat operands with leading '+' as file names, as POSIX
1378 has required since 2001. However, make sure the code still
1379 works on pre-POSIX hosts.
1380 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1381 which says you should use "tail -c +N" rather than "tail +Nc".
1382 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1384 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1386 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1389 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1392 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1393 PRE_{INC,DEC} of TFmode.
1395 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1396 Alan Modra <amodra@bigpond.net.au>
1399 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1402 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1405 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1406 Remove duplicate gtu.
1408 2006-07-05 Jason Merrill <jason@redhat.com>
1412 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1413 * c-common.c (handle_packed_attribute): So don't copy it here.
1414 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1416 2006-07-05 Mike Stump <mrs@apple.com>
1418 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1420 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1423 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1425 2006-07-05 Richard Guenther <rguenther@suse.de>
1428 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1429 TARGET_SSE2 targets if using SSE math.
1430 (*absdf2_1): Likewise.
1432 2006-07-05 Richard Guenther <rguenther@suse.de>
1434 PR tree-optimization/28162
1435 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1436 make sure to convert the operands to the correct type.
1438 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1440 PR tree-optimization/28218
1442 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1443 to calculate and free the dominator information.
1445 2006-07-04 Peter O'Gorman <peter@pogma.com>
1447 * mklibgcc.in: chmod 644 before ranlib during install.
1449 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1450 J"orn Rennecke <joern.rennecke@st.com>
1452 * configure.ac (.eh_frame data check): Use diff -b.
1454 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1457 * Makefile.in (BUILD_RTL): Add build/vec.o.
1458 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1459 (build/genextract): Delete.
1460 (build/genautomata): Likewise.
1462 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1465 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1466 128-bit IBM long doubles for ABI_V4.
1468 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1470 * tree.c (range_in_array_bounds_p): New predicate.
1471 * tree.h (range_in_array_bounds_p): Declare it.
1472 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1473 return a less conservative answer.
1474 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1475 and flag 'is_group'.
1476 (IS_ELEMENT_FOR_GROUP): New macro.
1477 (FOR_EACH_ACTUAL_CHILD): Likewise.
1478 (next_child_for_group): New helper function.
1479 (can_completely_scalarize_p): Take into account groups.
1480 (sra_hash_tree): Handle RANGE_EXPR.
1481 (sra_elt_eq): Likewise.
1482 (lookup_element): Be prepared for handling groups.
1483 (is_valid_const_index): Delete.
1484 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1485 instead of is_valid_const_index.
1486 <ARRAY_RANGE_REF>: New case.
1487 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1488 is_valid_const_index.
1489 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1490 (scan_dump): Dump info for groups too.
1491 (decide_instantiation_1): Likewise.
1492 (decide_block_copy): Assert that the element is not a group.
1493 Propagate decision to groups.
1494 (generate_one_element_ref): Handle RANGE_EXPR.
1495 (mark_no_warning): Iterate over actual childs.
1496 (generate_copy_inout): Likewise.
1497 (generate_element_copy): Likewise.
1498 (generate_element_zero): Likewise.
1499 (generate_element_init_1): Likewise.
1500 (dump_sra_elt_name): Handle RANGE_EXPR.
1502 2006-07-03 Roger Sayle <roger@eyesopen.com>
1504 PR tree-optimization/26251
1505 * tree-ssa-threadupdate.c (redirection_block_p): New function.
1506 (thread_block): When optimizing for size refuse to thread jumps
1507 that would require duplication of blocks other than redirection
1510 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1512 * configure.ac: Fix thinko in previous check-in.
1513 * configure: Regenerate.
1515 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
1518 * configure.ac (for lang...): Simplify nesting of conditionals.
1519 Test subdir_requires for non-enabled languages. Move processing
1520 of lang_opt_files and lang_tree_fiels below that test.
1521 * configure: Regenerate.
1522 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
1524 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
1526 * doc/gcov.texi (Invoking Gcov): Add a missing word.
1528 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
1530 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
1533 2006-06-29 Jason Merrill <jason@redhat.com>
1540 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
1541 * c-common.c (c_determine_visibility): Handle it here.
1542 * c-decl.c (finish_decl): Call c_determine_visibility for
1544 * flags.h (enum symbol_visibility): Sort from most to least visibility.
1546 * varasm.c (default_assemble_visibility): Likewise.
1547 * c-common.c (handle_visibility_attribute): Complain about trying
1548 to give visibility to an already defined class, or trying to change
1549 declared visibility. Always attach the attribute.
1554 * attribs.c (decl_attributes): Ignore type-in-place attributes
1555 once the type has been defined.
1557 2006-06-29 Roger Sayle <roger@eyesopen.com>
1560 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
1561 to indicate the cpplib has issued an error message for us.
1563 2006-06-29 Asher Langton <langton2@llnl.gov>
1566 * config/i386/i386.c (ix86_output_function_epilogue): Don't
1567 insert a label at the end of an function under Mach-O.
1569 2006-06-29 Eric Christopher <echristo@apple.com>
1570 Evan Cheng <evan.cheng@apple.com>
1572 * predicates.md (vector_all_ones_operand): New.
1573 (nonimmediate_or_sse_const_operand): Ditto.
1574 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
1575 * config/i386/i386.c (standard_sse_constant_opcode): Define.
1576 (standard_sse_mode_p): Ditto.
1577 (standard_sse_constant_p): Add case for -1 vector.
1578 (ix86_expand_vector_move): Try to use.
1579 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
1580 Call standard_sse_constant_opcode.
1581 (*movv4sf_internal): Ditto.
1582 (*movv2df_internal): Ditto.
1584 2006-06-29 Roger Sayle <roger@eyesopen.com>
1586 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
1587 of XEXP to extract the operands of a MATCH_CODE rtx.
1589 2006-06-28 Andrew Pinski <pinskia@gmail.com>
1591 * tree.c (tree_size): Do not waste tail padding in
1592 struct tree_string and make the size be the same as
1593 build_string will generate.
1595 2006-06-28 Jason Merrill <jason@redhat.com>
1598 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
1599 may_aliases already in the tag's annotations to the bitmap.
1601 2006-06-28 Roger Sayle <roger@eyesopen.com>
1603 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
1605 2006-06-28 Roger Sayle <roger@eyesopen.com>
1607 * genpreds.c (generate_switch_p): New function.
1608 (add_mode_tests): Push the new mode test down inside an AND expr
1609 if this allows the switch-suitable MATCH_CODE to be near the root.
1610 (write_match_code_switch): New function to write a MATCH_CODE as
1612 (write_predicate_stmts): New function to write a predicate RTX
1613 expression as a sequence of statements.
1614 (write_one_predicate_function): Use write_predicate_stmts.
1615 (write_tm_constrs_h): Likewise.
1617 2006-06-26 Fred Fish <fnf@specifix.com>
1619 * config/mips/t-sb1: New file.
1620 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
1623 2006-06-26 DJ Delorie <dj@redhat.com>
1625 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
1627 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
1628 Jayant Sonar <jayants@kpitcummins.com>
1629 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
1631 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
1632 (subsi3, subsi3_1, subsi3_2): New.
1633 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
1634 * config/m32c/mov.md (SI mov peephole): New.
1635 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
1636 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
1638 2006-06-26 Olivier Hainque <hainque@adacore.com>
1640 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
1641 a CALL_EXPR target function declaration.
1643 2006-06-26 Richard Guenther <rguenther@suse.de>
1645 * tree.c (build_string): Do not waste tail padding in
1648 2006-06-26 Richard Guenther <rguenther@suse.de>
1650 * ggc-page.c (init_ggc): Add missing element to size_lookup
1654 2006-06-23 Richard Guenther <rguenther@suse.de>
1656 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1657 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1658 alignment requests instead. Add verification code.
1659 Add struct tree_function_decl and struct tree_binfo size to
1660 extra_order_size_table. Add missing element to size_lookup
1663 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
1666 * fold-const.c (const_binop): Be prepared for self returning zero.
1667 Simplify code handling complex values.
1669 2006-06-24 Olivier Hainque <hainque@adacore.com>
1671 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
1672 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
1675 2006-06-24 Olivier Hainque <hainque@adacore.com>
1677 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
1678 ARRAY_REF, so have the callback called for the low bound expression.
1680 2006-06-23 Janis Johnson <janis187@us.ibm.com>
1682 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
1683 * c-typeck.c (c_common_type): Disallow operations on decimal float
1684 types and other float types.
1685 * convert.c (convert_to_real): Don't ignore conversions involving
1686 decimal float types.
1688 2006-06-23 Olivier Hainque <hainque@adacore.com>
1690 * tree.c (max_int_size_in_bytes): New function, inspired from
1691 code in function.c:assign_temp.
1692 * tree.h (max_int_size_in_bytes): Declare.
1693 * function.c (assign_temp): Use it.
1694 * gimplify.c (create_tmp_var): Relax the assertions on the type
1695 properties, not mandating constant size any more.
1696 (force_constant_size): New static function.
1697 (gimple_add_tmp_var): Use it, forcing variable size to a
1698 constant upper bound if it is not constant on entry.
1700 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
1703 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
1704 for initialization and setting of one_only flag to ...
1705 (i386_pe_encode_section_info): ...here.
1706 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
1707 Recheck that the symbol has not been defined.
1709 2006-06-23 Richard Guenther <rguenther@suse.de>
1711 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
1712 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
1713 alignment requests instead. Add verification code.
1714 Add struct tree_function_decl and struct tree_binfo size to
1715 extra_order_size_table. Add missing element to size_lookup
1718 2006-06-22 Roger Sayle <roger@eyesopen.com>
1719 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1722 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
1723 call to lang_hooks.types.type_for_mode returned NULL_TREE.
1725 2006-06-23 Ben Elliston <bje@au.ibm.com>
1727 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
1728 negate dn -- manipulate it directly.
1730 2006-06-22 Roger Sayle <roger@eyesopen.com>
1731 Steven Bosscher <stevenb.gcc@gmail.com>
1734 * reload1.c (gen_reload): Call mark_jump_label on the new insns
1735 generated by gen_move_insn to add REG_LABEL notes if necessary.
1737 2006-06-22 Bob Wilson <bob.wilson@acm.org>
1739 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
1740 (leaf_entry): Remove use of MIN_ESA.
1742 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
1744 PR rtl-optimization/28121
1745 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
1748 2006-06-21 DJ Delorie <dj@redhat.com>
1750 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
1752 (mulhisi3_r): Likewise.
1754 2006-06-21 Richard Sandiford <richard@codesourcery.com>
1757 * coverage.c (coverage_counter_alloc): Leave the index type
1759 (coverage_counter_alloc): Use null arguments for operands 2 and 3
1762 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
1764 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
1765 section from the "Options for Code Generation Conventions".
1767 2006-06-21 Richard Henderson <rth@redhat.com>
1771 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
1773 (global_symbolic_operand): Allow weak symbols, even if local_p.
1775 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
1777 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
1778 (find_interesting_uses_address): Punt if above function returns true.
1780 2006-06-21 Richard Guenther <rguenther@suse.de>
1782 * configure: Regenerated.
1784 2006-06-21 Joseph Myers <joseph@codesourcery.com>
1786 * config/mips/mips.c (function_arg): Where one part of a
1787 complex argument is in registers and the other part in the stack,
1788 return a REG not a PARALLEL.
1790 2006-06-21 Mark Mitchell <mark@codesourcery.com>
1792 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
1793 when cross-compiling. Do not substitute libstdcxx_incdir.
1794 * configure: Regenerated.
1796 2006-06-21 Jakub Jelinek <jakub@redhat.com>
1798 * varasm.c (mergeable_string_section): Check for embedded NULs and
1799 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
1800 rather than TREE_STRING_LENGTH bytes.
1802 2006-06-21 Richard Guenther <rguenther@suse.de>
1804 * ggc-page.c (extra_order_size_table): Add var_ann_d,
1805 tree_ssa_name, bitmap_element and phi_node with 4 arguments
1808 2006-06-21 Richrad Guenther <rguenther@suse.de>
1810 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
1811 Limit iteration over the dominators.
1813 2006-06-20 Roger Sayle <roger@eyesopen.com>
1815 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
1816 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
1818 2006-06-20 Richard Guenther <rguenther@suse.de>
1819 Michael Matz <matz@suse.de>
1821 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
1823 * alloc-pool.c (free_alloc_pool_if_empty): New function.
1824 * et-forest.h (et_free_pools): Prototype new function.
1825 * et-forest.c (et_free_tree_force): Free parent occurrence.
1826 (et_free_pools): New function.
1827 * dominance.c (free_dominance_info): Free et-forest alloc
1830 2006-06-20 Roger Sayle <roger@eyesopen.com>
1832 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
1833 integer modes, attempt to directly construct an integer constant.
1835 * fold-const.c (native_encode_vector): Determine the size of each
1836 element from the vector type instead of the first vector element.
1838 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
1839 if all of its elements/components are constant.
1840 (build_constructor_from_list): Likewise.
1842 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1844 PR tree-optimization/27331
1845 * tree-data-ref.c (free_data_ref): New function.
1846 (create_data_ref): Fail if the data reference has unknown access
1848 (free_data_refs): Use free_data_ref.
1850 2006-06-19 Andrew Pinski <pinskia@gmail.com>
1853 * tree-inline.c (setup_one_parameter): Strip useless
1854 type conversion before adding it to the IR.
1855 (declare_return_variable): Likewise.
1857 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
1860 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
1862 2006-06-19 Mike Stump <mrs@apple.com>
1864 * tree.c (variably_modified_type_p): VM arguments don't make the
1867 2006-06-19 Richard Guenther <rguenther@suse.de>
1869 * tree-ssa-pre.c (try_combine_conversion): Strip useless
1870 type conversions after folding.
1872 2006-06-19 Richard Guenther <rguenther@suse.de>
1874 * ggc-page.c (extra_order_size_tab): Add entries with
1875 size of struct function and basic_block.
1876 (size_lookup): Extend to cover sizes up to 511.
1877 (ggc_alloc_stat): Adjust user.
1878 (ggc_pch_count_object): Likewise.
1879 (ggc_pch_alloc_object): Likewise.
1880 (ggc_pch_write_object): Likewise.
1882 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
1884 * tree-ssa-loop-niter.c (implies_ge_p): New function.
1885 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
1888 2006-06-19 Denis Chertykov <denisc@overta.ru>
1890 * config/avr/libgcc.S : Correct my wrong previous commit.
1892 2006-06-19 Roger Sayle <roger@eyesopen.com>
1895 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
1896 have stripped a SUBREG from the shift count, so we may need to
1897 convert_to_mode back to the type's mode before calling make_tree.
1898 Use new_amount instead of amount to avoid expanding a tree twice.
1900 2006-06-19 Richard Guenther <rguenther@suse.de>
1903 * fold-const.c (operand_equal_p): Check if the argument types
1904 have the same precision before stripping NOPs.
1906 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
1908 Fix PR tree-optimization/27341
1909 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
1911 * tree-complex.c (pass_lower_complex): Update SMT usage.
1913 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
1915 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
1916 Add a new alternative to the constraint strings. Add move of
1917 operand 1 to 3 to the splitter definition.
1918 ("doloop_si_long"): Second contraint alternative removed.
1920 2006-06-08 Anatoly Sokolov <aesok@post.ru>
1922 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
1923 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
1925 (AVR_HAVE_MOVW) Define.
1926 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
1927 (ASM_SPEC): Add avr25.
1928 (LINK_SPEC): Add avr25.
1929 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
1930 (base_arch_s): Add new member 'have_movw_lpmx'.
1931 (avr_arch_types): Init 'have_movw_lpmx'.
1932 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
1933 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
1934 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
1935 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
1936 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
1938 (avr_file_start): Do not output '.arh' derective.
1939 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
1940 (__do_copy_data): Use __AVR_HAVE_LPMX__.
1941 * config/avr/avr.md (mcu_enhanced): Delete.
1942 (mcu_have_movw): Define.
1943 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
1944 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
1945 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
1946 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
1947 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
1948 attiny861 and at86rf401 devices.
1950 2006-06-18 Jie Zhang <jie.zhang@analog.com>
1952 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
1955 2006-06-17 Karl Berry <karl@gnu.org>
1957 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
1958 doc/gccint.texi, doc/install.texi (@dircategory): Use
1959 "Software development" instead of "Programming", following
1960 the Free Software Directory.
1962 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
1964 * config/i386/i386.c (legitimate_tls_address)
1965 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
1966 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
1967 (*tls_dynamic_gnu2_combine_64): Likewise.
1969 2006-06-16 Richard Guenther <rguenther@suse.de>
1972 * fold-const.c (negate_expr_p): Do not introduce undefined
1973 overflow in negating INTEGER_CSTs.
1974 (fold_negate_expr): Rename from negate_expr. Revert last
1975 change for folding BIT_NOT_EXPR. Change semantics to
1976 return NULL_TREE for non-simplified negations. Do not
1977 strip type conversions and unify type handling.
1978 (negate_expr): New function, wrap around fold_negate_expr
1979 but ensure building a tree always. Strip type conversions
1980 here, fold to result type.
1981 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
1983 2006-06-16 Roger Sayle <roger@eyesopen.com>
1986 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
1987 that (would) return their results in stack registers.
1989 2006-06-16 Michael Matz <matz@suse.de>
1990 Richard Guenther <rguenther@suse.de>
1992 * fold-const.c (fold_truthop): Only return new tree node if
1993 we canonicalized something.
1995 2006-06-16 Richard Guenther <rguenther@suse.de>
1997 * function.h (enum function_frequency): Move declaration
1998 out of struct function.
1999 (struct function): Move bool fields and the enum to the bitfield
2000 section. Reorder elements to avoid padding. Remove unused
2001 fields left over from the RTL inliner removal.
2002 * function.c (free_after_compilation): Do not zero removed fields.
2003 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2004 (ipa-type-escape.o): Likewise.
2006 2006-06-16 Richard Guenther <rguenther@suse.de>
2008 * cgraph.h (struct cgraph_local_info): Turn bool elements
2010 (struct cgraph_node): Likewise.
2011 (struct cgraph_varpool_node): Likewise.
2013 2006-06-15 Richard Guenther <rguenther@suse.de>
2015 * fold-const.c (fold_truth_not_expr): Rename from
2016 invert_truthvalue. Give it fold_* semantics to avoid
2018 (invert_truthvalue): New function. Wrapper around
2019 fold_truth_not_expr.
2020 (optimize_minmax_comparison): Avoid creating garbage.
2021 (fold_unary): Use fold_truth_not_expr for folding
2023 (fold_ternary): Replace uses of invert_truthvalue with
2024 fold_truth_not_expr where applicable.
2025 * tree.h (fold_truth_not_expr): Prototype.
2027 2006-06-16 Richard Guenther <rguenther@suse.de>
2029 PR tree-optimization/27781
2030 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2031 * ipa-pure-const.c (target.h): Include.
2032 (analyze_function): Do not analyze functions that do not
2035 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2038 * tree-dfa.c (referenced_vars_dup_list): Remove.
2039 (find_referenced_vars): Remove assert.
2040 (referenced_var_check_and_insert): Replace dup list with assert.
2041 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2042 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2044 2006-06-15 Richard Guenther <rguenther@suse.de>
2046 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2047 extra unused identifiers if not dumping.
2048 (create_variable_info_for): Likewise.
2050 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2052 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2053 (derive_constant_upper_bound): Derive more precise upper bound in
2054 common cases. Return type changed to double_int.
2055 (record_estimate): Reflect the changed return type of
2056 derive_constant_upper_bound.
2057 * double-int.c (double_int_zext, double_int_sext): Fix.
2059 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2061 * configure.ac (CFLAGS): Get them from the toplevel or from the
2062 configure invocation.
2063 * configure: Regenerate.
2064 * Makefile.in (CFLAGS): Substitute value provided by configure.
2066 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2069 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2070 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2071 rather than calling add_stmt on it.
2072 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2074 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2077 * reload1.c (reload): Remove registers returned by update_eliminables
2078 from used_spill_regs.
2080 2006-06-13 DJ Delorie <dj@redhat.com>
2082 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2084 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2086 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2087 html__strip_dir, html__mkdir_p. Enhance install-html target.
2088 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2089 * configure: Regenerate.
2091 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2093 * fold-const.c (fold_cond_expr_with_comparison): Check for
2094 Objective-C++ as language in deciding COND_EXPR transformation.
2096 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2099 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2100 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2101 * config/sh/lib1funcs.h (SL, SL1): Define.
2102 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2103 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2104 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2105 (OBJS_Os_4_200): New variable.
2106 ($(T)libgcc-Os-4-200.a): Use it.
2107 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2108 when dividing 1 and/or by 0.
2110 2006-06-13 Roger Sayle <roger@eyesopen.com>
2112 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2113 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2114 * configure: Regenerate.
2116 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2118 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2119 for real instruction.
2121 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2124 * haifa-sched.c (check_cfg): Handle special case.
2126 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2129 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2130 Add debug_info parameter. Chain the vars to the BLOCK instead
2131 of the BIND_EXPR if debug info are requested for them.
2132 (pop_gimplify_context): Adjust for above change.
2133 (gimple_add_tmp_var): Likewise.
2134 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2136 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2137 (convert_local_reference): Likewise.
2138 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2139 (finalize_nesting_tree_1): Request that debug info be emitted
2140 for debug_var_chain.
2142 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2144 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2145 for PR target/27863.
2147 2006-06-13 Richard Guenther <rguenther@suse.de>
2150 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2152 2006-06-13 Richard Guenther <rguenther@suse.de>
2154 PR tree-optimization/27830
2155 * tree-inline.c (copy_body_r): For copying the operand
2156 of an ADDR_EXPR make sure to fold &* afterwards.
2158 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2160 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2161 lvalues in the fb_none case with side-effects.
2163 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2165 * tree-flow.h: Remove the prototype for
2166 compute_phi_arg_on_exit.
2167 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2168 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2171 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2173 * builtins.c (expand_builtin_return_addr): Only use
2174 frame_pointer_rtx when count == 0 and we are expanding
2175 __builtin_return_address.
2177 2006-06-12 Fred Fish <fnf@specifix.com>
2179 * config/mips/mips.c (mips_file_start): Create special section
2180 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2182 2006-06-11 Eric Christopher <echristo@apple.com>
2185 * stor-layout.c (place_field): Remove check for
2186 remaining_in_alignment when aligning at the end of a run.
2188 2006-06-11 Eric Christopher <echristo@apple.com>
2191 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2194 2006-06-11 Roger Sayle <roger@eyesopen.com>
2197 Revert incorrect fix for PR target/27158
2198 2006-05-08 Roger Sayle <roger@eyesopen.com>
2199 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2200 of a reg_equiv_constant if the result is a legitimate constant.
2202 2006-06-11 Roger Sayle <roger@eyesopen.com>
2205 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2206 extract a CONST_VECTOR element and interpret it as an integer.
2207 (vspltis_constant): Use const_vector_elt_as_int instead of the
2208 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2209 * config/rs6000/predicates.md (easy_vector_const): Consider
2210 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2212 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2215 * stor-layout.c (update_alignment_for_field): Don't add extra
2216 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2219 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2221 * config/mips/t-rtems: Add EL/EB multilib variants.
2223 2006-06-09 Mike Stump <mrs@apple.com>
2225 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2227 2006-06-09 David Daney <ddaney@avtrex.com>
2229 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2231 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2233 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2235 2006-06-09 Richard Guenther <rguenther@suse.de>
2237 PR tree-optimization/26998
2238 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2239 of signed types, only TYPE_MIN_VALUE is special, but for both,
2240 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2241 in this case, as is -fwrapv.
2243 2006-06-08 Mike Stump <mrs@apple.com>
2246 * config/darwin.c (darwin_asm_output_anchor): Disable
2247 -fsection-anchors on darwin for now.
2248 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2249 * rs6000/rs6000.c (optimization_options): Likewise.
2251 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2254 * config/i386/i386.c (classify_argument): Skip fields with invalid
2257 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2259 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2260 (cse_insn): Likewise for the stack_pointer_rtx.
2262 2006-06-08 Roger Sayle <roger@eyesopen.com>
2264 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2265 conditions from floating point comparisons.
2267 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2270 * expmed.c (struct alg_hash_entry): Fix type of field T
2271 to match synth_mult argument.
2272 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2274 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2277 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2280 2006-06-08 Richard Guenther <rguenther@suse.de>
2283 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2284 only, if overflow is defined and not trapping.
2285 (negate_expr): Likewise.
2287 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2289 PR tree-optimization/27872
2290 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2291 flag on the new exit edge of the unrolled loop.
2293 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2295 PR rtl-optimization/26449
2296 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2298 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2301 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2302 referenced_variables with matching DECL_UID's.
2303 (find_referenced_vars): Make sure duplicate list is empty to start.
2304 (referenced_var_p): Remove.
2305 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2306 Check if var is in the list, and add if needed. Update the duplicate
2307 list if a different var is in the list with the same DECL_UID.
2308 (add_referenced_var): Call routine to check and insert.
2309 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2310 * tree-flow.h (referenced_vars_dup_list): External declaration.
2312 2006-06-07 Fred Fish <fnf@specifix.com>
2314 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2317 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2320 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2321 the imaginary and real parts of a clobbered register.
2322 Emit insn to set the imaginary part.
2324 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2326 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2327 in lieu of unwind-dw2-fde.c.
2329 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2331 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2333 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2336 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2337 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2338 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2339 V4SImode temporaries and operations instead.
2341 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2343 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2346 2006-06-06 Mike Stump <mrs@apple.com>
2348 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2349 installing during build.
2351 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2353 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2355 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2356 * config/ia64/ia64.c (params.h): New header.
2357 (ia64_optimization_options): New function to adjust parameters.
2358 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2359 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2360 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2362 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2364 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2366 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2369 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2371 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2372 Victor Kaplansky <victork@il.ibm.com>
2374 PR tree-optimization/26360
2375 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2378 2006-06-04 Roger Sayle <roger@eyesopen.com>
2379 Andrew Pinski <pinskia@physics.uc.edu>
2382 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2383 for LABEL_DECL before calling DECL_WEAK.
2386 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2387 LABEL_DECL and PARM_DECL.
2389 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2393 * c-decl.c (grokdeclarator): Disallow variably modified types at
2394 file scope. Avoid marking shared array type of constant size as
2397 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2400 * c-common.c (fold_offsetof_1): Handle static members.
2402 2006-06-04 Eric Christopher <echristo@apple.com>
2404 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2405 (debug_rli): Output value for remaining_in_alignment.
2406 (update_alignment_for_field): Unconditionalize
2407 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2408 extra alignment code.
2409 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2410 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2411 * tree.h (record_layout_info_s): Remove prev_packed.
2412 * doc/extend.texi (ms_struct): Add documentation of format.
2414 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2416 * tree.h: Declare folding_initializer.
2417 * builtins.c (fold_builtin_constant_p): Give definite answer
2418 if folding inside an initializer.
2419 * fold-const.c: Define folding_initializer.
2420 (START_FOLD_INIT): Save and then set folding_initializer.
2421 (END_FOLD_INIT): Restore folding_initializer.
2423 2006-06-04 Richard Guenther <rguenther@suse.de>
2425 PR tree-optimization/27039
2426 * fold-const.c (fold_comparison): Handle pointer comparison
2427 again for all comparison codes. Compare offsets in signed
2429 (fold_binary): Move code from here.
2431 2006-06-03 Roger Sayle <roger@eyesopen.com>
2434 * config/i386/i386.c (construct_container): Split static issued_error
2435 flag into issued_sse_arg_error, issued_sse_ret_error and
2436 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2437 requires the use of x87 registers and the user explicitly
2438 specified the -mno-80387 command line option.
2440 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2442 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2443 HAVE_DECL_SIGALTSTACK.
2445 (segv_handler): Use MC_FLD.
2446 * configure.ac: Check for a sigaltstack declaration.
2447 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2448 * configure: Regenerate.
2449 * config.in: Regenerate.
2451 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2454 * Makefile.in (stmp-fixinc): Fix typo.
2456 2006-06-02 Roger Sayle <roger@eyesopen.com>
2458 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2459 are type correct. Clean-up.
2460 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2461 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2463 2006-06-01 DJ Delorie <dj@redhat.com>
2465 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2466 shift, as we've disabled the "switch" insn that needs it.
2468 2006-06-01 Per Bothner <bothner@bothner.com>
2470 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2471 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2472 * c-ppoutput.c (cb_define): Don't increment line 0.
2474 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2476 * doc/invoke.texi: Add cpu_type power6.
2477 * config.gcc: Add cpu_type power6.
2478 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2479 to power5+ with Altivec.
2480 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2481 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2483 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2485 * config/avr/avr.h (SET_ASM_OP): Define.
2487 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2489 * config/bfin/bfin.c: Fix comment typos.
2491 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2494 * doc/install.texi: Document --enable-bootstrap and
2495 --disable-bootstrap.
2497 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2499 * doc/install.texi: Document that InfoZIP can replace jar.
2501 2006-05-31 Roger Sayle <roger@eyesopen.com>
2503 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
2504 isn't available, directly generate the simpler x87 patterns without
2505 the (use (const_int 0)).
2506 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
2507 implementation isn't available.
2508 (*negdf2_1): Likewise.
2509 (*negxf2_1): XF mode negation is always done using the x87.
2510 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2512 2006-05-31 Roger Sayle <roger@eyesopen.com>
2514 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
2515 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
2517 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2519 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2521 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
2522 * config/bfin/bfin.c (basic-block.h): Include.
2523 (struct machine_function): New.
2524 (bfin_init_machine_status): New.
2525 (override_options): Initialize init_machine_status.
2526 (bfin_hardware_loop): New.
2527 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
2528 (DEF_VEC_P (loop_info)): New.
2529 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
2530 (struct loop_info): New.
2531 (loop_info): New typedef.
2532 (struct loop_work): New.
2533 (loop_work): New typedef.
2534 (DEF_VEC_O (loop_work)): New.
2535 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
2536 (bfin_dump_loops): New.
2537 (bfin_bb_in_loop): New.
2538 (bfin_scan_loop): New.
2539 (bfin_optimize_loop): New.
2540 (bfin_reorg_loops): New.
2541 (bfin_reorg): Use bfin_reorg_loops.
2542 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
2544 (I_REGNO_P): Simplify.
2545 (DP_REGNO_P, DPREG_P): New macros.
2546 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2547 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
2548 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2549 Add LT_REGS, LC_REGS, LB_REGS.
2550 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
2552 (REGNO_REG_CLASS): Deal with loop registers.
2553 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
2555 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
2556 New constants for loop registers.
2557 (UNSPEC_LSETUP_END): New.
2558 (seq_insns): New define_attr. Set it for appropriate insns.
2559 (movsi_insn): Add alternatives for move from/to
2560 loop count registers.
2561 (doloop_end): New define_expand.
2562 (loop_end): New define_insn.
2563 (define_split for bad doloop_end): New.
2564 (lsetup_with_autoinit): New define_insn.
2565 (lsetup_without_autoinit): New define_insn.
2566 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
2567 * config/bfin/predicates.md (lc_register_operand): New.
2568 (lt_register_operand): New.
2569 (lb_register_operand): New.
2570 (nondp_register_operand): New.
2571 (nondp_reg_or_memory_operand): New.
2572 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2574 2006-05-31 Jie Zhang <jie.zhang@analog.com>
2576 * config/bfin/bfin.c (bfin_delegitimize_address): New.
2577 (TARGET_DELEGITIMIZE_ADDRESS): Define.
2579 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
2581 * Makefile.in (CATALOGS): Add po/ prefix.
2582 * configure: Regenerated.
2584 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
2587 * arm.c (arm_print_operand case 'S'): Validate that the operand is
2588 a shift operand before calling shift_op. Avoid redundant call of
2591 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
2592 DJ Delorie <dj@redhat.com>
2594 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
2595 we're inserting is a singlt-bit constant.
2597 2006-05-30 Roger Sayle <roger@eyesopen.com>
2599 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
2600 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2602 2006-05-30 Roger Sayle <roger@eyesopen.com>
2604 PR tree-optimization/23452
2605 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
2606 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
2607 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
2608 complex values and with -ffast-math for FP complex values.
2610 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
2612 * c-common.h: Remove the prototype for yyparse.
2613 * rtl.h: Remove the prototype for init_loop.
2615 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
2617 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
2620 2006-05-30 Roger Sayle <roger@eyesopen.com>
2622 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
2624 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
2625 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2627 2006-05-30 Dirk Mueller <dmueller@suse.de>
2630 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
2631 for CONSTANT_CLASS_P expresisons.
2633 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2636 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2638 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
2640 PR tree-optimization/27779
2641 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
2642 initial_condition instead of CHREC_LEFT.
2644 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
2646 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
2647 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
2648 Make prototypes ISO C90.
2650 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
2651 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2653 * see.c (see_analyze_one_def): Correct check.
2654 (see_get_extension_data): Check if extension is parallel.
2655 (see_get_extension_reg): Likewise.
2657 2006-05-30 Uros Bizjak <uros@kss-loka.si>
2660 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
2661 into register for (code == GTU).
2663 2006-05-29 Roger Sayle <roger@eyesopen.com>
2665 PR tree-optimization/24964
2666 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
2667 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
2668 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
2669 abs(x)*abs(x) as x*x for scalar floating point modes.
2671 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
2674 * lambda-code.c (perfect_nestify): Don't copy statements
2675 in the inner loop: move them to the inner loop header.
2677 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2680 * c-tree.texi: Document OpenMP directives and clauses.
2682 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2684 * varasm.c (globalize_decl): Fix indentation.
2686 2006-05-29 Diego Novillo <dnovillo@redhat.com>
2689 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
2690 pass_fre, pass_store_ccp, pass_copy_prop,
2691 pass_store_copy_prop, pass_merge_phi, pass_nrv,
2692 pass_return_slot, pass_object_size, pass_lim,
2693 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
2694 pass_loop_prefetch and pass_stdarg.
2696 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
2698 * config/bfin/bfin.opt (mfdpic): New option.
2699 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
2700 (EXTRA_MULTILIB_PARTS): Likewise.
2701 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
2702 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
2704 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
2705 (CRT_CALL_STATIC_FUNCTION): New.
2706 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
2708 (CRT_CALL_STATIC_FUNCTION): New.
2709 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
2711 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
2712 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
2713 (initialize_trampoline): Changed to handle FD-PIC code generation.
2714 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
2715 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
2716 (override_options): Disallow -mid-shared-library -mfdpic combination.
2717 Can't do unaligned ops if FD-PIC.
2718 Turn off flag_pic if trying to generate non-id-shared-library
2719 non-fdpic code, since it's not supported.
2720 (bfin_assemble_integer): New function.
2721 (TARGET_ASM_INTEGER): Define.
2722 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
2724 * config/bfin/crtn.s: Restore them.
2725 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
2727 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
2728 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
2729 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
2730 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
2731 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
2733 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
2734 FDPIC_REGS and FDPIC_FPTR_REGS.
2735 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
2736 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
2737 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
2738 (load_funcdescsi): New pattern.
2739 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
2740 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
2741 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2743 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
2745 * gcse.c, rtlanal.c: Remove obsolete comments associated with
2748 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
2750 * tree-flow.h: Remove the prototype for add_type_alias.
2751 * tree-ssa-alias.c (add_type_alias): Remove.
2753 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
2755 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
2756 config/fr30/fr30.md, config/i386/i386-interix.h,
2757 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
2758 config/sh/superh64.h, config/v850/v850.c, df-core.c,
2759 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
2760 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
2761 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
2762 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
2763 Follow spelling conventions.
2764 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
2765 Follow spelling conventions.
2767 2006-05-27 Richard Guenther <rguenther@suse.de>
2770 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
2771 to produce a constant of value 1 of generic type.
2773 2006-05-27 Dirk Mueller <dmueller@suse.de>
2775 * cgraphunit.c (decide_is_function_needed): Fix wrong
2778 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
2780 PR rtl-optimization/27661
2781 * reload.c (find_reloads): When reloading a VOIDmode constant
2782 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
2783 use Pmode as mode of the reload register.
2785 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
2787 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
2788 is enabled at -O and above.
2790 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
2793 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
2796 2006-05-25 Mark Mitchell <mark@codesourcery.com>
2799 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
2800 for anonymous variables explicitly declared by front ends.
2802 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2804 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
2805 (struct alias_info): Add new field ref_all_symbol_mem_tag.
2806 * tree-ssa-alias.c (compute_may_aliases): If the program contains
2807 ref-all pointers, run a finalization pass for them.
2808 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
2809 (finalize_ref_all_pointers): New function.
2810 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
2811 regular pointer type to a ref-all pointer type.
2812 (get_tmt_for): Return the special memory tag for ref-all pointers.
2814 2006-05-25 Richard Guenther <rguenther@suse.de>
2817 * fold-const.c (fold_binary): Do not look at the stripped
2818 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2820 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
2822 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
2823 for LT and GT if the computed range is effectively empty.
2825 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2828 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
2829 mips_quad_format formats instead of ieee_single_format,
2830 ieee_double_format and ieee_quad_format formats, respectively.
2832 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
2834 PR tree-optimization/27639
2835 PR tree-optimization/26719
2836 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
2837 call to scev_probably_wraps_p.
2838 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
2839 used_in_pointer_arithmetic_p, convert_step): Removed.
2840 (nowrap_type_p): New function.
2841 (scev_probably_wraps_p): Rewritten.
2842 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
2843 chrec_convert if chrec_convert_aggressive might have been used.
2844 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
2845 scev_direction): New functions.
2846 (chrec_convert): Changed to a wrapper over chrec_convert_1.
2847 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
2848 instead of convert_step.
2849 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
2850 (convert_step): Declaration removed.
2851 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2853 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2855 * df-core.c: Added to header comments.
2856 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
2857 df_ur_bb_info, df_urec_bb_info): Added comments.
2858 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
2859 urec, ri problems): Fixed header comments.
2860 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
2861 code from df_rd_transfer_function.
2863 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2865 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
2866 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
2867 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2869 2006-05-23 Joseph Myers <joseph@codesourcery.com>
2871 * expr.c (undefined_operand_subword_p): New.
2872 (emit_move_multi_word): Do not generate move from undefined bits
2873 of a paradoxical subreg.
2875 2006-05-23 Richard Sandiford <richard@codesourcery.com>
2877 PR rtl-optimization/27736
2878 * combine.c (replaced_rhs_value): New variable.
2879 (combine_instructions): Set it.
2880 (distribute_notes): When distributing a note in replaced_rhs_insn,
2881 check whether the value was used in replaced_rhs_value.
2883 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
2886 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
2887 add_referenced_var instead of add_referenced_tmp_var.
2888 * tree-complex.c (create_one_component_var): Use add_referenced_var.
2889 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
2891 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
2892 tree_optimize_tail_calls_1): Use add_referenced_var.
2893 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
2894 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
2895 Use add_referenced_var.
2896 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
2897 * gimplify.c (force_gimple_operand): Use add_referenced_var.
2898 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
2899 Use add_referenced_var.
2900 * tree-dfa.c (struct walk_state): Remove.
2901 (find_referenced_vars): Remove walk state and vars_found hash table.
2902 (make_rename_temp): Use add_referenced_var.
2903 (find_vars_r): Pass less parameters to add_referenced_var.
2904 (referenced_var_p): New. Is var in referenced_var hash table.
2905 (referenced_var_insert): Assert var isn't already in hash table.
2906 (add_referenced_var): Don't need walk_state parameter. Add var if it
2907 isn't already in the hash table.
2908 (add_referenced_tmp_var): Remove.
2909 (find_new_referenced_vars_1): Use add_referenced_var.
2910 * tree-ssa-pre.c (create_expression_by_pieces,
2911 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
2912 Use add_referenced_var.
2913 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
2914 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
2915 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
2917 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
2918 vect_create_data_ref_ptr, vect_create_destination_var,
2919 vect_init_vector, vect_build_loop_niters,
2920 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2921 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
2922 Use add_referenced_var.
2923 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
2924 * tree-flow.h (add_referenced_tmp_var): Remove prototype
2925 (add_referenced_var): Add prototype.
2926 * tree-ssa-structalias.c (get_constraint_for,
2927 intra_create_variable_infos): Use add_referenced_var.
2929 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
2931 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
2932 big-endian paradoxical subregs.
2933 * var-tracking.c (struct micro_operation_def): Document that,
2934 for modify micro operations, insn is the subsequent instruction.
2935 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
2936 (var_reg_set, var_mem_set): ... new functions.
2937 (add_stores): Record subsequent insn.
2938 (compute_bb_dataflow): Use new functions for MO_USE.
2939 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
2940 notes after the insn, and modify notes before the insn known
2941 to be the subsequent one.
2942 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2944 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
2947 * config/i386/i386.c (ix86_expand_builtin): Use
2948 gen_sse3_monitor64 for TARGET_64BIT.
2950 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
2952 PR rtl-optimization/26375
2953 PR rtl-optimization/26855
2954 * df-problems (df_ru_bb_local_compute_process_def): Removed update
2956 (df_ru_bb_local_compute): Reversed statements and removed bogus
2957 comment explaining why they should be in wrong order.
2958 (df_ru_dump, df_rd_dump): Enhanced debug info.
2959 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
2961 * ddg.c (add_deps_for_def): Converted use of reaching defs to
2962 reaching uses and fixed space problem.
2964 2006-05-23 Jan Hubicka <jh@suse.cz>
2966 * cgraphunit.c (decide_is_function_needed): Also nested functions
2967 and functions declared inline can be optimized out at -O0.
2969 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
2971 * doc/install.texi (Configuration): Remove reference to CrossGCC
2975 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
2978 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
2979 ix86_compare_emitted is non-NULL.
2981 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2984 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
2987 2006-05-22 Richard Sandiford <richard@codesourcery.com>
2989 PR rtl-optimization/25514
2990 * combine.c (replaced_rhs_insn): New variable.
2991 (combine_instructions): Set replaced_rhs_insn when trying to replace
2992 a SET_SRC with a REG_EQUAL note.
2993 (distribute_notes): Use replaced_rhs_insn when determining the live
2994 range of a REG_DEAD register.
2996 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
2997 Anatoly Sokolov <aesok@post.ru>
2999 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3000 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3001 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3002 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3003 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3004 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3005 at90usb647, at90usb1286 and at90usb1287 devices.
3006 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3007 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3009 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3011 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3013 2006-05-22 Richard Guenther <rguenther@suse.de>
3016 2006-01-31 Richard Guenther <rguenther@suse.de>
3017 Paolo Bonzini <bonzini@gnu.org>
3019 * doc/install.texi (--disable-libgcc-math): Document.
3021 2006-05-22 Richard Guenther <rguenther@suse.de>
3024 2006-01-31 Richard Guenther <rguenther@suse.de>
3026 * doc/invoke.texi (-msselibm): Document.
3027 * target.h (expand_library_builtin): New target hook.
3028 * builtins.c (expand_builtin): Use expand_library_builtin.
3029 (default_expand_library_builtin): New function.
3030 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3031 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3032 (link_gcc_math_spec): Declare.
3033 (static_specs): Add link_gcc_math_spec.
3034 * expr.h (default_expand_library_builtin): Declare.
3035 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3036 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3037 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3038 * config/i386/i386.opt (msselibm): New target option.
3039 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3040 (ix86_init_sse_abi_builtins): New function.
3041 (ix86_expand_library_builtin): Likewise.
3042 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3043 (override_options): Handle error conditions wrt -msselibm.
3044 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3045 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3046 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3049 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3052 * c-common.c (self_promoting_args_p): Skip erroneous args.
3055 * c-decl.c (finish_struct): Skip erroneous fields.
3057 2006-05-22 Nick Clifton <nickc@redhat.com>
3059 * config/cris/cris.opt (march): Remove VarExists attribute.
3060 (max-stackframe=): Likewise.
3062 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3064 * doc/rtl.texi: Fix a typo.
3065 * see.c: Fix comment typos.
3067 * tree-ssa-structalias.h (alias_info): Remove num_references.
3069 2006-05-21 Mike Stump <mrs@apple.com>
3071 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3073 (darwin_pragma_options): Use BAD instead.
3074 (darwin_pragma_unused): Likewise.
3075 (darwin_pragma_ms_struct): Likewise.
3077 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3079 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3081 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3083 PR rtl-optimization/27671
3084 * simplify-rtx.c (simplify_relational_operation_1): Fix
3085 simplifications of (eq/ne (xor x y) y) and
3086 (eq/ne (xor x y) x).
3088 PR tree-optimization/26622.
3089 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3092 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3094 * tree-cfg.c: Prune whitespace.
3095 (debug_tree_cfg): Point to correct header containing the
3098 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3101 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3103 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3106 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3107 or sorry count is non zero.
3109 2006-05-20 Andreas Schwab <schwab@suse.de>
3111 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3113 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3114 Kenneth Zadeck <zadeck@naturalbridge.com>
3116 PR rtl-optimization/26855
3118 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3120 (df_scan_alloc): Added code to properly handle multiword hard
3121 registers and add all_blocks parameter.
3122 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3123 code to properly handle multiword hard registers.
3124 (df_rescan_blocks): Added code to remove deleted blocks from
3126 (df_ref_create_structure, df_ref_record): Added code to properly
3128 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3129 and set DF_REF_PARTIAL.
3130 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3131 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3132 (df_scan_add_problem): Added flags parameter.
3133 (df_ref_create_structure): Changed switching structure.
3134 (df_bb_refs_record): Fixed case where duplicate artificial refs
3135 were created. Changed location of flags.
3136 (df_record_entry_block_defs): Added code to make stack pointer
3137 live in entry block. Refined cases where frame pointer is needed.
3138 Changed location of flags.
3139 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3140 (df_set_state): Removed function.
3141 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3142 df_insn_create_insn_record, df_insn_refs_delete,
3143 df_ref_create_structure): Formatting changes.
3144 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3145 df_delete_basic_block): New function.
3146 (df_init): Changed location of flags.
3147 (df_add_problem): Added flags parameter and the way flags are
3149 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3150 debug_df_chain): Improved debugging output.
3151 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3152 (df_refs_chain_dump): Removed df parameter.
3153 (df_iterative_dataflow): Added consistency check.
3154 (df_prune_to_subcfg): Made public.
3155 (df_analyze_problem): Added blocks_to_init parameter and made
3157 (df_ref_record, df_bb_refs_record, df_mark_reg,
3158 df_record_exit_block_uses): Whitespace changes.
3159 (df_dump): Whitespace changes.
3160 * df.h: Some reordering to remove forward references.
3161 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3162 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3163 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3164 (dataflow.flags): New field.
3165 (df.flag): Deleted field.
3166 (df_alloc_function): Added additional bitmap parameter.
3167 (df_dependent_problem_function): New type.
3168 (df_problem.changeable_flags): New field.
3169 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3170 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3171 (df_mw_hardreg): New struct.
3172 (DF_INSN_UID_MWS): New macro.
3173 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3175 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3176 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3177 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3178 (df_set_state): Removed function.
3179 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3180 * df-problems.c (df_chain_dump): Removed df parameter.
3181 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3182 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3184 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3185 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3186 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3187 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3188 DF_REF_MUST_CLOBBER cases.
3189 (df_ru_bb_local_compute_process_def,
3190 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3191 df_lr_bb_local_compute, df_ur_bb_local_compute,
3192 df_chain_create_bb): Made subreg aware.
3193 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3194 df_lr_bb_local_compute, df_lr_bb_local_compute,
3195 df_chain_create_bb): Cleanup to use proper macros.
3196 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3197 code to fixup bitvectors.
3198 (df_ri_alloc): Cleared lifetime.
3199 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3200 df_create_unused_note): New function.
3201 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3202 REG_DEAD and REG_UNUSED notes as well as register information.
3203 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3204 df_chains_dump): Fixed crash if problem was never run.
3205 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3206 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3207 df_ri_add_problem): Processes flags in uniform manner.
3208 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3209 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3210 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3211 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3212 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3213 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3214 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3215 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3216 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3217 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3218 * see.c (see_initialize_data): Ditto.
3219 * final.c (rest_of_clean_state) Added regstack_completed.
3220 * rtl.h (regstack_completed): Ditto.
3221 * reg-stack.c (regstack_completed): Ditto.
3223 2006-05-19 Mike Stump <mrs@apple.com>
3225 * c-tree.h (default_conversion): Remove.
3226 * c-common.h (default_conversion): Add.
3228 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3230 * tree-vrp.c (valid_value_p): New function.
3231 (adjust_range_with_scev): Fail if the value of bound is not
3234 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3236 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3237 (mips_fallback_frame_state): Use syscall numbers to determine
3238 the appropriate li instruction for the current ABI. Only use
3239 __NR_sigreturn for o32.
3241 2006-05-19 Nicolas Setton <setton@adacore.com>
3243 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3244 * langhooks.c (lhd_dwarf_name): New function.
3245 * langhooks-def.h (lhd_dwarf_name): Declare.
3246 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3247 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3248 * ada/misc.c (gnat_dwarf_name): New function.
3249 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3251 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3253 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3255 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3256 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3257 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3258 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3259 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3260 determine the size of Wtype, etc.
3261 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3262 (swfloatfuncs): New variable.
3263 (dwfloatfuncs): Likewise.
3264 (lib2funcs): Remove floating-point conversion functions from
3265 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3266 the set of conversion routines needed. Allow entries to specify
3267 an object name, filename and word size. Update users accordingly.
3268 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3269 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3273 2006-02-08 Roger Sayle <roger@eyesopen.com>
3276 * config/fixtfdi.c: New libgcc source file.
3277 * config/fixunstfdi.c: New source file.
3278 * config/floatditf.c: New source file.
3279 * config/floatunditf.c: New souce file.
3280 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3281 files above instead of config/mips/_tilib.c.
3282 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3284 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3286 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3287 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3289 2006-05-18 Mike Stump <mrs@apple.com>
3291 Fix up vla, vm and [*] sematics.
3297 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3298 (c_vla_unspec_p): Add.
3299 (c_vla_type_p): Add.
3300 * c-decl.c (struct c_scope): Add had_vla_unspec.
3301 (build_array_declarator): Add support for [*].
3302 (grokdeclarator): Likewise.
3303 (grokparms): Likewise.
3304 (get_parm_info): Likewise.
3305 * c-objc-common.c (c_vla_unspec_p): Likewise.
3306 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3307 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3308 typeof when argument is a variably modified type not inside sizeof or alignof.
3309 (c_parser_direct_declarator_inner): Propagate errors.
3310 (c_parser_sizeof_expression): Add support for [*].
3311 (c_parser_parms_declarator): Initialize had_vla_unspec.
3312 (c_parser_parms_list_declarator): Likewise.
3313 * c-typeck.c (c_vla_type_p): Add.
3314 (composite_type): Add support for vla compositing.
3315 (comptypes_internal): Add support for vla compatibility.
3316 (c_expr_sizeof_expr): Evaluate vla arguments.
3317 * tree.c (variably_modified_type_p): Update comment for [*].
3319 2006-05-18 Michael Matz <matz@suse.de>
3322 * config.host: Make assignments to host_xmake_file cumulative.
3323 * config.host (*-darwin*): Test $host, not $target.
3325 2006-05-12 Stuart Hastings <stuart@apple.com>
3327 * config/i386/i386.opt (-mstackrealign): New flag.
3328 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3329 (ix86_handle_cconv_attribute): Emit error when
3330 force_align_arg_pointer attribute collides with too many regparms.
3331 (ix86_function_regparm): Limit regparms when used with
3332 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3333 Support stack-realigning prologue in non-main functions. Emit
3334 warning for nested functions under -mstackrealign, emit error for
3335 nested functions with force_align_arg_pointer attribute.
3336 * doc/extend.texi (force_align_arg_pointer): Document it.
3337 * doc/invoke.texi (-mstackrealign): Document it.
3339 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3341 PR rtl-optimization/27477
3342 * combine.c (try_combine): Don't split a parallel consisting
3343 of two sets into two individual sets if both sets reference
3346 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3348 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3349 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3351 * doc/options.texi (VarExists): Updated.
3353 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3355 * unwind-dw2.c: Add declarations for uw_update_context and
3357 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3358 detected, advance frame state and context once to skip over stub.
3360 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3364 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3365 Call rewrite_into_loop_closed_ssa only when something changed.
3366 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3367 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3368 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3369 Test for perfect_nest_p here. Fix formating.
3370 (replace_uses_equiv_to_x_with_y): Fix formating.
3371 (stmt_uses_op): Removed.
3372 (can_convert_to_perfect_nest): Removed loopivs parameter.
3373 Complete the test by checking the scalar dependences.
3374 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3377 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3380 From Dan Kegel <dank@kegel.com>:
3381 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3383 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3385 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3386 if the element type is variably modified without recursing.
3388 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3391 * tree-loop-linear.c (try_interchange_loops): Test for
3392 no data dependences.
3394 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3396 PR tree-optimization/27548
3397 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3398 range of ssa names that appear on abnormal edges.
3399 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3400 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3402 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3405 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3407 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3410 * tree.h (OMP_PARALLEL_COMBINED): Define.
3411 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3412 (new_omp_context): Add is_combined_parallel argument.
3413 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3414 new_omp_context caller.
3415 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3416 Adjust gimplify_scan_omp_clauses callers.
3417 (omp_is_private): Issue errors if iteration variable is firstprivate
3418 or reduction in the current context.
3419 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3420 on combined parallel workshare constructs.
3422 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3424 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3425 (gcc-options.o): New rule.
3427 * optc-gen.awk: Protect variables for gcc-options.o with
3428 #ifdef GCC_DRIVER/#endif.
3430 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3432 Fix PR tree-optimization/27373
3433 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3434 (forward_propagate_addr_expr): Update call.
3436 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3438 * doc/options.texi: Move the Negative option.
3440 2006-05-16 Richard Guenther <rguenther@suse.de>
3442 PR tree-optimization/22303
3443 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3445 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3446 ccp_fold did not simplify the statement.
3448 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3451 * Makefile.in (GCC_OBJS): New.
3452 (OBJS-common): Add opts-common.o.
3453 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3454 (cpp$(exeext)): Likewise.
3455 (gcc.o): Also depend on opts.h.
3456 (opts-common.o): New.
3458 * common.opt (gcoff): Add Negative(gdwarf-2).
3459 (gdwarf-2): Add Negative(gstabs).
3460 (gstabs): Add Negative(gstabs+).
3461 (gstabs+): Add Negative(gvms).
3462 (gvms): Add Negative(gxcoff).
3463 (gxcoff): Add Negative(gxcoff+).
3464 (gxcoff+): Add Negative(gcoff).
3465 * config/i386/i386.opt (m32): Add Negative(m64).
3466 (m64): Add Negative(m32).
3468 * doc/options.texi: Document the Negative option.
3470 * gcc.c: Include "opts.h".
3471 (main): Call prune_options after expandargv.
3473 * optc-gen.awk: Generate common declarations for all flag
3474 variables in options.c. Output the neg_index field.
3476 * opts.c (find_opt): Moved to ...
3477 * opts-common.c: Here. New file.
3479 * opts.h (cl_option): Add a neg_index field.
3481 (prune_options): Likewise.
3483 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3486 * omp-low.c (expand_omp_parallel): Don't assert
3487 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3488 instead search for it.
3491 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3494 2006-05-16 Andreas Schwab <schwab@suse.de>
3496 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
3499 2006-05-15 Roger Sayle <roger@eyesopen.com>
3502 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
3503 integer constants other than zero are only legitimate on TARGET_64BIT.
3504 <CONST_VECTOR> Only zero vectors are legitimate.
3505 (ix86_cannot_force_const_mem): Integral and vector constants can
3506 always be put in the constant pool.
3508 2006-05-16 DJ Delorie <dj@redhat.com>
3510 * crtstuff.c (__dso_handle): Set section from
3511 TARGET_LBIGCC_SDATA_SECTION if defined.
3512 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
3513 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
3515 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
3518 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
3521 2006-05-16 Ben Elliston <bje@au.ibm.com>
3523 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
3525 2006-05-15 Per Bothner <per@bothner.com>
3527 * tree.c: (last_annotated_node): Use source_locus typedef.
3528 This permits bootstrapping with --enable-mapped-location.
3530 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
3532 PR tree-optimization/26830
3533 * tree-into-ssa.c (struct ssa_name_info): Add age field.
3534 (info_for_ssa_name, current_info_for_ssa_name_age,
3535 blocks_to_update): New variables.
3536 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
3537 (clear_ssa_name_info, initialize_flags_in_bb,
3538 mark_block_for_update): New functions.
3539 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
3540 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
3541 prepare_def_site_for): Use mark_block_for_update.
3542 (mark_def_interesting): Assert that the processed block is marked in
3543 blocks_to_update. Do not take blocks argument.
3544 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
3546 (rewrite_update_init_block, rewrite_update_stmt): Only process
3547 blocks with statements to rewrite.
3548 (delete_update_ssa): Do not clear SSA_NAME_AUX.
3549 (update_ssa): Initialize and free blocks_to_update. Do not
3550 clear flags on statements. Do not use blocks bitmap.
3551 * tree.h (SSA_NAME_AUX): Removed.
3552 (struct tree_ssa_name): Removed aux field.
3553 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
3555 2006-05-15 Richard Guenther <rguenther@suse.de>
3557 PR tree-optimization/27603
3558 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3559 Do computations in original type.
3561 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
3563 * see.c: Code style changes such as redundant paranthesis,
3564 redundant intialization of local variables etc.
3565 (see_main): Declared now as static.
3566 * doc/invoke.texi: Update that -fsee is not enabled by
3569 2006-05-15 Jakub Jelinek <jakub@redhat.com>
3571 * omp-low.c (check_omp_nesting_restrictions): New function.
3572 (scan_omp_1): Call it.
3575 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
3576 construct, return *VAR.
3578 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
3580 PR rtl-optimization/27406
3581 * bt-load.c (migrate_btr_def): Skip the block having abnormal
3584 2006-05-14 Roger Sayle <roger@eyesopen.com>
3586 PR rtl-optimization/27538
3587 * combine.c (expand_compound_operation): Call gen_lowpart
3588 before calling simplify_shift_const.
3590 2006-05-14 Roger Sayle <roger@eyesopen.com>
3592 PR rtl-optimization/22563
3593 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
3594 a fixed width bitfield, always force the intermediates into psuedos.
3596 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
3599 * mkconfig.sh: Use operator = instead of == for test.
3601 2006-05-13 Nick Clifton <nickc@redhat.com>
3603 * dwarf2out.c (dbx_reg_number): Check return value from
3604 LEAF_REG_REMAP and only use it if it is valid.
3605 (multiple_reg_loc_descriptor): Likewise.
3607 2006-05-13 Richard Guenther <rguenther@suse.de>
3609 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
3612 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
3614 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
3615 information attached to non-INSNs such as NOTEs.
3616 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
3618 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3620 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
3622 * config/s390/s390.md: Adjust comment describing On constraint.
3624 2006-05-11 Jan Hubicka <jh@suse.cz>
3626 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
3627 to be output at -O0.
3629 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3632 * fold-const.c (size_binop): Move sanity check for arguments to
3633 the beginning of the function.
3636 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
3639 2006-05-11 Richard Guenther <rguenther@suse.de>
3642 * fold-const.c (fold_unary): Handle intermediate conversion
3643 to a pointer type like intermediate conversion to an integer
3644 type in folding of (T1)(T2)var to var.
3645 Match the code to the comment in the final conversion for
3646 (T1)(T2)var to (T1)var regarding to type precision. Rather
3647 than disallow T1 being of pointer type, assert that both T1
3648 and var are of pointer type or not. Make sure not to fall
3649 over the frontends lazyness wrt array to pointer decay though.
3651 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
3653 * arm.c (arm_struct_value_rtx): Delete.
3654 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
3655 (arm_init_cumulative_args): Always initialize nregs to zero.
3657 2006-05-10 Richard Guenther <rguenther@suse.de>
3659 PR tree-optimization/27532
3660 * tree-object-size.c (plus_expr_object_size): Fix typo.
3662 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
3665 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
3666 ashrdi_const, ashrdi3): Use a scratch register.
3668 2006-05-10 Richard Guenther <rguenther@suse.de>
3670 PR tree-optimization/27302
3671 * fold-const.c (operand_equal_p): For two comparisons,
3672 try comparison of one comparison code swapped if that yields
3675 2006-05-10 Ben Elliston <bje@au.ibm.com>
3677 * tree-pretty-print.c (pretty_print_string): No need to handle
3678 '\0' as a special character.
3680 * tree.h: Include "hashtab.h".
3681 (iterative_hash_expr): Use hashval_t in its prototype.
3682 * Makefile.in (TREE_H): Add $(HASHTAB_H).
3684 2006-05-09 Steve Ellcey <sje@cup.hp.com>
3687 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
3688 (hppa*64*-*-hpux11*): Ditto.
3689 (hppa[12]*-*-hpux11*): Ditto.
3691 2006-05-09 David Edelsohn <edelsohn@gnu.org>
3694 * config/rs6000/aix41.h (TARGET_64BIT): Define.
3696 2006-05-09 Michael Matz <matz@suse.de>
3698 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
3699 host_extra_gcc_objs and host_xmake_file.
3700 (<*-*-linux*>): Don't overwrite host_xmake_file.
3701 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
3702 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
3703 (host_detect_local_cpu): Declare.
3704 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
3705 * config/i386/i386.c (override_options): Handle -mtune=native
3707 * config/i386/x-i386: New file.
3708 * config/i386/driver-i386.c: New file.
3709 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
3712 2006-05-09 Dirk Mueller <dmueller@suse.de>
3713 Richard Guenther <rguenther@suse.de>
3716 * fold-const.c (fold_read_from_constant_string): Relax check
3717 for matching types to matching modes.
3719 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
3721 PR rtl-optimization/27335
3722 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
3725 2006-05-08 Chao-ying Fu <fu@mips.com>
3726 Richard Sandiford <richard@codesourcery.com>
3728 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
3729 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
3730 * config/mips/mips.md (UNSPEC_SCC): New constant.
3731 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
3732 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
3733 (mips_emit_compare): Use it.
3734 (mips_expand_vcondv2sf): New function.
3736 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3738 Fix PR tree-optimization/27093
3739 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
3740 renaming when they become not-used_alone.
3742 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3744 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
3745 relocation and relocation stubs.
3747 2006-05-08 Eric Christopher <echristo@apple.com>
3749 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
3752 2006-05-08 Jan Hubicka <jh@suse.cz>
3755 * cgraphunit.c (decide_is_function_needed): When not optimizing even
3756 unused static functions are needed.
3758 2006-05-08 Roger Sayle <roger@eyesopen.com>
3761 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3762 of a reg_equiv_constant if the result is a legitimate constant.
3764 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3767 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3768 standard 80387 constants, raise the cost to prevent
3769 compress_float_constant() to generate load from memory.
3771 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
3773 * config/arm/constraints.md (c): Fix a typo.
3775 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
3778 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
3781 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
3783 (_mm_mwait): Likewise.
3785 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
3787 (sse3_monitor): Make it 32bit only.
3788 (sse3_monitor64): New. 64bit monitor.
3790 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3793 * config/i386/i386.c (classify_argument): Skip fields with invalid
3796 2006-05-07 Richard Guenther <rguenther@suse.de>
3798 PR tree-optimization/27409
3799 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3800 Do not try to find zero-sized subvars.
3802 2006-05-07 Richard Guenther <rguenther@suse.de>
3804 PR tree-optimization/27136
3805 * tree-ssa-loop-niter.c (get_val_for): Correct function
3806 comment, assert requirements.
3807 (loop_niter_by_eval): Stop processing if the iterated
3808 value did not simplify.
3810 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
3812 * opts.c (flag_see): remove its setting at -O3.
3814 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
3816 * genpeep.c (main): Make insn-peep.c depend on flags.h.
3817 * arm/constraints.md: New file.
3818 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
3819 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
3820 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
3821 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
3822 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
3823 (EXTRA_MEMORY_CONSTRAINT): Likewise.
3824 * arm.md: Include constraints.md.
3825 (thumb_movsi_insn): Use satisfies_constraint_J.
3826 (movhi, movqi): Use satisfies_constraint_I.
3828 2006-04-29 Anatoly Sokolov <aesok@post.ru>
3830 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
3831 for atmeg a645 device.
3833 2006-05-06 Richard Guenther <rguenther@suse.de>
3835 PR tree-optimization/27151
3836 * tree-vect-transform.c (vectorizable_condition): Punt on
3837 values that have a different type than the condition.
3839 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
3842 * c-parser.c (c_parser_cast_expression): Only insert casts into
3843 hash table if pointer.
3844 * function.c (used_types_insert_helper): Rename from
3846 (used_types_insert): Call used_types_insert_helper.
3847 * function.h (used_types_insert): Accept only one argument.
3849 2006-05-05 David Edelsohn <edesohn@gnu.org>
3851 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
3852 scratch with output modifier.
3854 2006-05-04 David Edelsohn <edelsohn@gnu.org>
3857 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
3858 with output modifier.
3860 2006-05-04 Richard Sandiford <richard@codesourcery.com>
3863 * config/mips/mips.c (mips_symbolic_address_p): Return true
3864 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
3865 SYMBOL_GOTTPREL, and SYMBOL_TLS.
3867 2006-05-04 Richard Guenther <rguenther@suse.de>
3869 PR tree-optimization/14287
3870 PR tree-optimization/14844
3871 PR tree-optimization/19792
3872 PR tree-optimization/21608
3873 PR tree-optimization/27090
3874 * tree-ssa-pre.c (try_combine_conversion): New function.
3875 (compute_avail): After constructing the value-handle
3876 expression, use try_combine_conversion to combine NOP_EXPRs
3877 with previous value-handle expressions and use the result if it
3880 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
3882 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
3884 2006-05-04 Jan Hubicka <jh@suse.cz>
3887 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
3889 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
3891 * config/bfin/predicates.md (const01_rtx): Tell generator programs
3892 that this only matches CONST_INTs. All users changed to VOIDmode
3895 * config/bfin/bfin.c: Include "optabs.h".
3896 (bfin_rtx_costs): Some costs for vector operations, to allow combine
3898 (enum bfin_builtins): Add a number of fractional and vector builtins.
3899 (bfin_init_builtins): Likewise.
3900 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
3901 (safe_vector_operand, bfin_expand_binop_builtin,
3902 bfin_expand_unop_builtin): New functions.
3903 (bfin_expand_builtin): Handle the new builtins.
3904 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3907 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
3910 * Makefile.in (OBJS-common): Add see.o.
3911 (see.o): Add dependencies.
3912 * common.opt (fsee): New flag for the see optimization was added.
3913 * opts.c (flag_see): Initialized.
3914 * passes.c (init_optimization_passes, pass_see): New pass.
3915 * rtl.h (see_main): Declaration as extern.
3916 * timevar.def (TV_SEE): New.
3917 * tree-pass.h (pass_see): Declaration as extern.
3918 * invoke.texi (-fsee): Document.
3919 * recog.c (validate_simplify_insn): New function.
3920 * recog.h (validate_simplify_insn): Declaration as extern.
3921 * df-problems.c (df_chain_dump): Check for NULL.
3923 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
3924 Daniel Berlin <dberlin@dberlin.org>
3926 * cfgrtl.c (insert_insn_bb_end_new): New function.
3927 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
3929 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3931 * df.h (struct web_entry): Moved from web.c.
3932 (union_defs): Declaration as extern.
3933 (unionfind_root): Likewise.
3934 (unionfind_union): Likewise.
3935 * web.c (struct web_entry): Moved to df.h.
3936 (unionfind_root): Remove static declaration.
3937 (unionfind_union): Likewise.
3938 (union_defs): Likewise and generalize to use callback function.
3939 (web_main): Update arguments for union_defs function call.
3941 2006-05-04 Richard Guenther <rguenther@suse.de>
3943 PR tree-optimization/26447
3944 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
3945 produce SSA_NAME copies before the store stmt to avoid
3946 breaking exception handling.
3948 2006-05-04 Jakub Jelinek <jakub@redhat.com>
3951 * gimplify.c (omp_is_private): If var is shared in some outer context,
3952 return false instead of true. Stop searching on parallel context
3955 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
3958 * coverage.c: Use get_gcov_unsigned_t() instead of
3959 unsigned_type_node all over.
3961 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3963 PR tree-optimization/27381
3964 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
3965 maintain the same immediate_use links.
3966 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
3967 node rather than segfaulting.
3969 2006-05-03 Jakub Jelinek <jakub@redhat.com>
3972 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
3973 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
3974 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
3976 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3978 Fix PR tree-optimization/26626
3979 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
3981 * tree-ssa-operands.c (access_can_touch_variable): Allow
3982 typecasting through union pointers.
3984 2006-05-02 Jakub Jelinek <jakub@redhat.com>
3987 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
3988 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
3989 to find if var will be a global variable even in the nested context.
3990 (omp_copy_decl): Only check for global variable at the end, it might
3991 be overridden in outer contexts.
3992 (scan_sharing_clauses): For global variables don't create a field.
3993 (lower_rec_input_clauses): Do nothing for global shared variables.
3994 Emit a barrier at the end of ILIST if there were any decls in both
3995 firstprivate and lastprivate clauses.
3996 (lower_send_clauses): Do nothing for global variables except for
3999 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4001 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4002 of the correct signedness is returned.
4004 2006-05-02 Jeff Law <law@redhat.com>
4006 PR tree-optimization/27364
4007 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4008 multiply expressions.
4010 2006-05-02 Tom Tromey <tromey@redhat.com>
4012 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4014 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4017 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4018 -mthumb -fPIC are used.
4020 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4021 Joshua Kinard <kumba@gentoo.org>
4024 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4025 with 64-bit pointers.
4027 2006-05-02 Paul Brook <paul@codesourcery.com>
4029 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4031 (create_fix_barrier): Check that a suitable barrier location is
4033 (arm_reorg): Include ftmp->address in allowable range of addresses.
4035 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4038 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4041 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4044 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4045 around RESULT_DECL for result passed by reference.
4046 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4047 * omp-low.c (use_pointer_for_field): Don't look at
4048 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4049 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4050 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4051 time or var for passing by reference for
4052 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4053 TREE_ADDRESSABLE variables when passing by reference.
4055 * omp-low.c (dump_omp_region): Fix output formatting.
4058 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4059 (expand_omp_parallel): Likewise.
4060 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4063 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4064 on statement list containing also constructors and destructors.
4065 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4068 * except.c (duplicate_eh_regions): Fix clearing of
4069 cfun->eh->region_array entries.
4071 2006-05-01 DJ Delorie <dj@redhat.com>
4073 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4075 (gcc_cv_objdump): Likewise.
4076 * configure: Regenerated.
4078 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4081 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4082 templates for case 3 and 4.
4084 2006-05-01 DJ Delorie <dj@redhat.com>
4086 * vec.c: Include bconfig.h when appropriate.
4087 * Makefile.in (build/vec.o): Adjust dependencies.
4088 * mkconfig.sh: Make sure config.h isn't used for build machine
4091 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4093 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4095 (mark_phi_for_rewrite): New function.
4096 (insert_phi_nodes_for, mark_use_interesting): Call
4097 mark_phi_for_rewrite.
4098 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4099 (update_ssa): Initialize and free phis_to_rewrite.
4101 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4103 PR rtl-optimization/27291
4104 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4105 folded to a constant.
4107 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4109 PR tree-optimization/27283
4110 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4111 not whole # of iteration descriptions.
4112 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4113 uses abnormal ssa name.
4114 (niter_for_single_dom_exit): Ditto.
4115 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4116 return just the number of iterations.
4118 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4120 PR tree-optimization/27144
4121 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4122 (record_estimate): Only record constant upper bound.
4123 (infer_loop_bounds_from_undefined): Call
4124 compute_estimated_nb_iterations just once.
4125 (proved_non_wrapping_p): Renamed to ...
4126 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4127 (convert_step_widening, scev_probably_wraps_p): Call
4128 n_of_executions_at_most instead of proved_non_wrapping_p.
4129 (substitute_in_loop_info): Do not replace values in bounds.
4130 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4133 2006-05-01 Richard Henderson <rth@redhat.com>
4136 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4137 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4140 2006-05-01 Roger Sayle <roger@eyesopen.com>
4142 * c-typeck.c (parser_build_binary_op): Don't call the function
4143 unsigned_conversion_warning to spot operand/result type overflow.
4144 (build_binary_op): Instead, call convert_and_check instead of
4145 convert to report the problem when the operands are promoted.
4146 * c-common.c (unsigned_conversion_warning): Make static.
4147 * c-common.h (unsigned_conversion_warning): Delete prototype.
4149 2006-05-01 Richard Guenther <rguenther@suse.de>
4151 PR tree-optimization/26726
4152 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4154 (find_interesting_uses_address): ... we work around here
4155 by folding INDIRECT_REFs in the substituted base.
4157 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4159 * omp-low.c (dump_omp_region): Add newlines.
4161 2006-04-30 Roger Sayle <roger@eyesopen.com>
4163 * common.opt (Woverflow): New command line option.
4164 * c-common.c (constant_expression_warning): Check warn_overflow.
4165 (overflow_waring): Pass OPT_Woverflow to warning.
4166 (unsigned_conversion_warning): Likewise.
4167 (convert_and_check): Likewise.
4168 * doc/invoke.texi: Document new command line option.
4170 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4172 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4173 TARGET_NO_FP_IN_TOC for section anchors.
4174 (optimization_options): Enable section anchors for all
4175 non-"Objective" languages.
4177 2006-04-28 Eric Christopher <echristo@apple.com>
4179 * config/darwin-c.c (darwin_ms_struct): Move this
4180 (darwin_set_default_type_attributes): and this...
4181 * config/darwin.c: ... here.
4182 * config/darwin.h (darwin_ms_struct): Declare.
4184 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4186 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4188 2006-04-28 Roger Sayle <roger@eyesopen.com>
4191 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4192 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4193 an unsigned HOST_WIDE_INT.
4194 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4196 (really_start_incremental_init): No need to call convert because
4197 bitsize_zero_node is already of type bitsizetype.
4198 (push_init_level): Extract the value of constructor_index as an
4199 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4200 (process_init_element): Likewise.
4202 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4204 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4205 value before passing to make_relative_prefix.
4207 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4210 * builtins.c (expand_builtin_memset): Expand val in original mode.
4212 2006-04-27 Eric Christopher <echristo@apple.com>
4214 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4215 with #ifndef/#endif.
4216 * config/darwin-c.c (darwin_ms_struct): New.
4217 (darwin_pragma_ms_struct): Ditto.
4218 (darwin_set_default_type_attributes): Ditto.
4219 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4220 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4221 Register ms_struct pragma.
4222 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4223 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4224 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4225 darwin_set_default_type_attributes if TARGET_MACHO.
4227 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4229 PR tree-optimization/26854
4230 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4231 * doc/tree-ssa.texi: Update immuse iterator documentation.
4232 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4233 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4234 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4235 first_safe_imm_use, next_safe_imm_use): Remove.
4236 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4237 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4238 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4239 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4240 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4241 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4242 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4243 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4244 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4245 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4246 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4247 (perfect_nestify): Use new iterator.
4248 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4250 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4251 (next_imm_name): New field in struct immediate_use_iterator_d.
4252 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4253 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4254 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4255 * tree-cfg.c (replace_uses_by): Use new iterator.
4256 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4257 * tree-ssa-operands.c (correct_use_link): Remove.
4258 (finalize_ssa_use_ops): No longer call correct_use_link.
4260 2006-04-27 Stuart Hastings <stuart@apple.com>
4262 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4263 * config/t-darwin (crt3.o): Use it.
4264 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4265 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4266 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4267 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4268 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4271 2006-04-27 Roger Sayle <roger@eyesopen.com>
4273 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4274 size, force the intermediate into a new pseudo rather instead of
4275 performing both a bitwise AND and a bitwise IOR in memory.
4277 2006-04-27 Richard Guenther <rguenther@suse.de>
4279 PR rtl-optimization/26685
4280 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4281 this one "max-flow-memory-locations".
4283 2006-04-27 Richard Guenther <rguenther@suse.de>
4285 PR tree-optimization/25148
4286 * tree-vrp.c (compare_values): Remove code dealing with
4287 comparisons against type min/max value. Honour overflow
4288 and negative constants in code dealing with comparisons
4289 of plus and minus expressions.
4290 (value_inside_range): Use fold_binary with LE_EXPR and
4291 GE_EXPR rather than compare_values.
4293 2006-04-27 Dirk Mueller <dmueller@suse.de>
4295 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4298 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4300 * basic-block.h (safe_insert_insn_on_edge): Removed.
4301 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4303 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4304 Paolo Bonzini <bonzini@gnu.org>
4307 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4308 (simplify_and_const_int): Same.
4310 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4312 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4314 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4317 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4318 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4319 cgraph_global_info_ready.
4322 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4325 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4326 either decl or init is error_mark_node.
4329 * tree-flow.h (struct omp_region): Add sched_kind.
4330 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4331 instead of extracting omp for data.
4332 (expand_omp_for): Save extracted sched_kind.
4334 2006-04-25 Roger Sayle <roger@eyesopen.com>
4336 * expmed.c (store_bit_field): Also check whether the bitsize is
4337 valid for the machine's "insv" instruction before moving the
4338 target into a pseudo for use with the insv.
4339 * config/i386/predicates.md (const8_operand): New predicate.
4340 * config/i386/i386.md (extv, extzv, insv): Use the new
4341 const8_operand predicate where appropriate.
4343 2006-04-25 DJ Delorie <dj@redhat.com>
4345 * doc/install.texi (Specific): Clarify that this is not a list of
4346 supported hosts or targets.
4348 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4350 PR rtl-optimization/26725
4351 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4352 block's BB_DIRTY flag.
4354 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4356 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4359 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4360 to print an integer.
4362 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4364 * varasm.c (align_variable): New function.
4365 (get_block_for_decl): Apply align_variable to DECL before
4366 calculating section information.
4367 (assemble_variable): Split out alignment computation.
4369 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4371 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4374 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4376 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4377 MODE_PARTIAL_INT mode.
4378 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4379 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4381 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4382 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4384 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4386 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4388 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4389 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4390 MACFLAG_IH): Likewise.
4391 (movstricthi_1): Renamed from "*movstricthi".
4392 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4393 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4394 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4395 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4396 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4397 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4398 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4399 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4400 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4401 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4402 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4403 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4404 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4405 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4406 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4408 * doc/rtl.texi (ss_ashift): Improve wording.
4410 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4412 * dwarf2out.c (verify_marks_clear): New.
4413 (prune_unused_types): Call verify_marks_clear initially, not
4416 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4418 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4419 * doc/rtl.texi: Document them.
4420 * simplify-rtx.c (simplify_unary_operation,
4421 simplify_binary_operation_1): Don't abort when we see them.
4423 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4426 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4427 * configure.ac: Completely disregard languages that are not
4429 * configure: Regenerated.
4431 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4432 Richard Guenther <rguenther@suse.de>
4434 PR tree-optimization/27236
4435 * tree-inline.c (copy_body_r): Make sure to copy
4436 TREE_THIS_VOLATILE flag.
4438 2006-04-24 Richard Guenther <rguenther@suse.de>
4441 * tree-complex.c (update_parameter_components): Don't handle
4442 unused parameters which have no default def.
4444 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4445 Richard Guenther <rguenther@suse.de>
4447 PR tree-optimization/27218
4448 * tree-inline.c (expand_call_inline): Strip useless type
4449 conversions for the return slot address.
4451 2006-04-24 Richard Guenther <rguenther@suse.de>
4453 * cfgloop.h (struct loops): Remove unused field array. Reorder
4455 (LOOP_PREFETCH): Remove.
4457 2006-04-24 Richard Guenther <rguenther@suse.de>
4459 PR tree-optimization/22525
4460 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4461 variable, adjust types of generated expressions.
4463 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4465 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4466 (tree-vect-patterns.o): Likewise.
4468 (cselib.o): Likewise.
4469 (loop-doloop.o): Likewise.
4470 (regclass.o): Likewise.
4471 (reload1.o): Likewise.
4472 (explow.o): Replace target.h with $(TARGET_H).
4473 (ipa-prop.o): Likewise.
4474 (ipa-cp.o): Likewise.
4475 (ipa-inline.o): Likewise.
4476 (reorg.o): Likewise.
4477 (reg-stack.o): Likewise.
4479 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4481 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4483 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4485 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4487 * configure.ac: Completely disregard languages that are not
4489 * configure: Regenerated.
4492 * c-common.h (c_build_bitfield_integer_type): Declare.
4493 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4494 * c-common.c (c_build_bitfield_integer_type): ... here.
4496 2006-04-23 Roger Sayle <roger@eyesopen.com>
4499 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
4500 a SImode SUBREG of a floating point register after no_new_pseudos.
4502 2006-04-23 Roger Sayle <roger@eyesopen.com>
4504 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
4505 identify potentially eliminable registers to additionally catch
4506 VIRTUAL_INCOMING_ARGS_REGNUM.
4507 (addsi3): Update the conditions on when to use addsi_small_int.
4509 2006-04-23 Roger Sayle <roger@eyesopen.com>
4512 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
4513 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
4514 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
4516 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4518 * fold-const.c (range_predecessor): Use operand_equal_p
4519 as the predicate for equality.
4520 (range_successor): Likewise.
4522 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4525 * config/soft-fp/op-common.h: Fix a typo.
4527 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
4530 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
4531 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
4533 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
4535 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
4537 * doc/tm.texi: Fix a typo.
4539 2006-04-21 Geoffrey Keating <geoffk@apple.com>
4541 * dwarf2out.c (struct die_struct): Document that die_sib makes
4542 a circular linked list.
4543 (FOR_EACH_CHILD): New.
4544 (reverse_die_lists): Delete.
4545 (reverse_all_dies): Delete.
4546 (add_dwarf_attr): Correct documentation.
4547 (remove_child_with_prev): New.
4548 (remove_child_TAG): Update for change to die_struct, use
4549 remove_child_with_prev.
4550 (add_child_die): Update for change to die_struct.
4551 (splice_child_die): Use remove_child_with_prev and add_child_die.
4552 (print_die): Use FOR_EACH_CHILD.
4553 (die_checksum): Likewise.
4554 (assign_symbol_names): Likewise.
4555 (output_location_lists): Likewise.
4556 (build_abbrev_table): Likewise.
4557 (calc_die_sizes): Likewise.
4558 (mark_dies): Likewise.
4559 (unmark_dies): Likewise.
4560 (unmark_all_dies): Likewise.
4561 (output_die): Likewise.
4562 (prune_unused_types_mark): Likewise.
4563 (prune_unused_types_walk): Likewise.
4564 (same_die_p): Update for change to die_struct.
4565 (break_out_includes): Likewise.
4566 (prune_unused_types_prune): Likewise.
4567 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
4568 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
4570 (dwarf2out_finish): Don't call reverse_all_dies.
4572 2006-04-21 Eric Christopher <echristo@apple.com>
4574 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
4575 in comments and function names.
4577 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4580 * c-typeck.c (digest_init): Robustify.
4582 * c-typeck.c (pop_init_level): Simplify.
4584 2006-04-21 Steve Ellcey <sje@cup.hp.com>
4586 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
4588 2006-04-21 Paul Brook <paul@codesourcery.com>
4590 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
4591 hardware floating point.
4593 2006-04-21 David Edelsohn <edelsohn@gnu.org>
4595 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
4598 2006-04-21 Nick Clifton <nickc@redhat.com>
4600 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
4603 2006-04-21 Alan Modra <amodra@bigpond.net.au>
4606 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
4607 C++ lang type in traceback table for Objective-C++.
4609 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
4611 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
4613 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
4615 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4618 * tree-mudflap.c (mudflap_finish_file): Skip function when there
4619 were errors. Remove check for erroneous objects.
4621 2006-04-20 Jeff Law <law@redhat.com>
4623 PR tree-optimization/26854
4624 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
4625 checking for zero or one use.
4626 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
4627 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
4628 * tree-ssa-reassoc.c (negate_value): Similarly.
4629 (reassociate_bb): Similarly.
4631 2006-04-20 Jakub Jelinek <jakub@redhat.com>
4633 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
4634 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
4635 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
4637 2006-04-20 Alan Modra <amodra@bigpond.net.au>
4639 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
4640 fp regs if the last fp arg doesn't fit in regs.
4642 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
4645 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
4646 that the last insn has the REG_INC note.
4648 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
4649 Nathan Sidwell <nathan@codesourcery.com>
4652 * stor-layout.c (update_alignment_for_field): Do not align
4654 (place_union_field): Place union field at the start of the union.
4655 (place_field): Move ERROR_MARK check later, and use the current
4656 allocation position to maintain monotonicity.
4658 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
4660 * dominance.c: Include timevar.h.
4661 (calculate_dominance_info): Use TV_DOMINANCE.
4662 * timevar.def (TV_DOMINANCE): New timevar.
4663 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
4665 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4667 PR rtl-optimization/14261
4668 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4669 move would be an INSV insn.
4670 (noce_process_if_block): Don't optimize if the destination is a
4671 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
4673 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
4675 * config/s390/s390.md: Add comments with the instructions emitted
4676 by an insn pattern if macros are used.
4678 2006-04-19 Alan Modra <amodra@bigpond.net.au>
4680 PR rtl-optimization/26026
4681 * fold-const.c (fold_binary): Optimize div and mod where the divisor
4682 is a known power of two shifted left a variable amount.
4684 2006-04-18 Geoffrey Keating <geoffk@apple.com>
4686 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
4687 to hash table twice when the debug_str section has SECTION_MERGE.
4689 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
4691 * config/soft-fp: New directory. From glibc.
4692 * config/soft-fp/t-softfp: New.
4693 * config/soft-fp/README: New.
4694 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
4695 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
4696 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
4697 (LIBGCC_DEPS): Add $(SFP_MACHINE).
4698 * config.gcc: Use rs6000/t-fprules-fpbit or
4699 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
4701 * config/rs6000/sfp-machine.h: New. Based on glibc.
4702 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
4704 * config/rs6000/t-fprules: Remove fp-bit rules.
4705 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
4706 * config/rs6000/t-linux64: Likewise. Remove duplicates from
4707 LIB2FUNCS_EXTRA. Remove fp-bit rules.
4708 (softfp_wrap_start, softfp_wrap_end): New.
4710 2006-04-18 DJ Delorie <dj@redhat.com>
4712 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
4714 2006-04-18 Devang Patel <dpatel@apple.com>
4716 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
4718 2006-04-18 Nick Clifton <nickc@redhat.com>
4720 * config/sh/t-symbian: Add rule to build sh-c.o
4721 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
4722 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
4723 (sh_symbian_encode_section_info): Likewise.
4725 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
4727 * builtins.c (expand_builtin_strcmp): Cover label definition of
4728 do_libcall with HAVE_cmpstrnsi.
4730 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
4732 * function.c (temp_slots_at_level, max_slot_level): Use VEC
4734 * function.h (temp_slot_p): New.
4735 (function): Change the type of x_used_temp_slots to
4736 VEC(temp_slot_p,gc) *.
4738 2006-04-18 Nick Clifton <nickc@redhat.com>
4740 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
4741 flag_strength_reduce.
4743 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
4745 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4749 Partial revert of revision 112637
4750 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4751 Dale Johannesen <dalej@apple.com>
4754 * regclass.c (struct reg_pref): Update documentation.
4755 (regclass): Set prefclass to NO_REGS if memory is the best option.
4756 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4758 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
4760 PR tree-optimization/26821
4761 * tree-ssa-math-opts.c (get_constant_one): New.
4762 (insert_reciprocals): Use it.
4764 2006-04-17 Geoffrey Keating <geoffk@apple.com>
4766 * dwarf2out.c (free_AT): Delete.
4767 (remove_AT): Update string ref counts.
4768 (remove_child_TAG): Don't call free_die.
4770 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
4771 or DW_TAG_GNU_EINCL.
4772 (prune_unused_types_walk_attribs): Reset string refcounts.
4773 (prune_unused_types_update_strings): New.
4774 (prune_unused_types_prune): Don't make unnecessary stores. Don't
4775 call free_die. Do call prune_unused_types_update_strings.
4776 (prune_unused_types): Empty debug_str_hash.
4778 2006-04-17 Roger Sayle <roger@eyesopen.com>
4780 * expr.c (expand_assignment): Optimize away no-op moves where the
4781 source and destination are equal and have no side-effects.
4783 2006-04-17 Richard Guenther <rguenther@suse.de>
4786 * reload.c (push_reload): Guard calls to get_secondary_mem
4789 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
4791 * alias.c (reg_base_value, old_reg_base_value): Change the
4792 type to VEC(rtx,gc) *.
4793 (REG_BASE_VALUE, find_base_value, record_set,
4794 init_alias_analysis): Use VEC instead of VARRAY.
4796 * alias.c (alias_sets): Change the type to
4797 VEC(alias_set_entry,gc) *.
4798 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
4799 VEC instead of VARRAY.
4800 (last_alias_set): Remove.
4802 * cgraph.h (cgraph_edge_p): New.
4803 Update the prototype of cgraph_function_versioning.
4804 * cgraphunit.c (cgraph_copy_node_for_versioning,
4805 cgraph_function_versioning): Use VEC instead of VARRAY.
4806 * ipa-cp.c (ipcp_insert_stage): Likewise.
4808 2006-04-16 Roger Sayle <roger@eyesopen.com>
4811 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
4812 "A op B" or "A op C", we may need to convert A to the type of B and C.
4814 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
4816 * target.h (struct gcc_target): Add mode_rep_extended.
4817 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
4818 (init_num_sign_bit_copies_in_rep): Initialize it using
4820 (truncate_to_mode): Use it.
4821 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
4822 * targhooks.h (default_mode_rep_extended): Declare it.
4823 * targhooks.c (default_mode_rep_extended): Define it.
4824 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
4825 default_mode_rep_extended.
4826 (TARGET_INITIALIZER): Include it.
4827 * doc/tm.texi (Misc): Document it.
4828 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
4829 (mips_truncated_to_mode): New function.
4831 2006-04-16 Roger Sayle <roger@eyesopen.com>
4834 * expr.c (compress_float_constant): Copy the narrow constant into
4835 a new pseudo before extending it to its final width.
4837 2006-04-16 Roger Sayle <roger@eyesopen.com>
4838 Andrew Pinski <pinskia@gcc.gnu.org>
4839 Dale Johannesen <dalej@apple.com>
4842 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
4843 special case code to implement V8HImode and V16QImode with SSE2.
4845 2006-04-15 Roger Sayle <roger@eyesopen.com>
4847 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
4848 trees are constructed with a suitable tree type.
4850 2006-04-15 Roger Sayle <roger@eyesopen.com>
4852 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
4853 (integer_onep): Likewise.
4854 (integer_all_onesp): Likewise.
4855 (integer_pow2p): Likewise.
4856 (integer_nonzerop): Likewise.
4857 (real_zerop): Likewise.
4858 (real_onep): Likewise.
4859 (real_twop): Likewise.
4860 (real_minus_onep): Likewise.
4861 (int_size_in_bytes): Likewise.
4862 (host_integerp): Likewise.
4864 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
4866 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4867 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
4868 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
4870 * tree-ssa-structalias.h (alias_info): Remove num_references.
4872 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4874 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
4875 (output_bvb patterns): Likewise.
4876 * pa.c (output_bb): Use 'bb' insn for long branch case.
4877 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
4878 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
4879 1. Correct length operand for alternatives 1 and 2.
4880 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
4881 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
4883 2006-04-14 Roger Sayle <roger@eyesopen.com>
4885 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
4886 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
4887 were accidentally reverted by r112959.
4889 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4892 * except.h (eh_region_outermost): New prototype.
4893 * except.c (eh_region_outermost): New function.
4894 * tree-cfg.c (find_outermost_region_in_block): Use it.
4896 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4898 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
4900 * reload1.c (reg_equiv_memory_loc_varray): Rename to
4901 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
4902 (init_reload, reload): Use VEC instead of VARRAY.
4903 * reload.h: Update the prototype for
4904 reg_equiv_memory_loc_varray.
4906 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
4907 Eric Botcazou <ebotcazou@libertysurf.fr>
4909 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
4912 2005-04-13 Uros Bizjak <uros@kss-loka.si>
4915 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
4916 to expand fallback builtin function call.
4918 2006-04-14 Alan Modra <amodra@bigpond.net.au>
4921 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
4922 and emit libcall here in case the builtin fails.
4923 (expand_builtin_strcmp): Always emit the libcall here on failure.
4925 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
4927 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
4928 * flow.c (reg_n_info): Change the type to
4929 VEC(reg_info_p,heap) *.
4930 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
4932 * regs.h (reg_info_p): New.
4933 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
4934 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
4935 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
4938 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
4940 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
4942 * params.h (MAX_SCHED_READY_INSNS): New macro.
4943 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
4944 past MAX_SCHED_READY_INSNS during the first scheduling pass.
4945 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
4946 the ready list for 1 cycle during the first scheduling pass.
4947 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
4949 2006-04-13 Richard Henderson <rth@redhat.com>
4952 * gimple-low.c (lower_omp_directive): Remove dead code.
4953 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
4954 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
4955 * omp-low.c (struct omp_region): Move to tree-flow.h.
4956 (root_omp_region): Export.
4957 (omp_regions, lookup_omp_region): Remove.
4958 (determine_parallel_type): Update for struct omp_region changes.
4959 (dump_omp_region): Dump regions with block numbers.
4960 (new_omp_region): Take type and block instead of stmt; malloc
4962 (free_omp_region_1, free_omp_regions): New.
4963 (expand_parallel_call): Take entry_stmt as argument; update for
4964 changes to omp_region.
4965 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
4966 (remove_exit_barriers): New.
4967 (expand_omp_parallel): Update for struct omp_region changes.
4968 (expand_omp_synch): Likewise.
4969 (expand_omp): Likewise.
4970 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
4971 (expand_omp_for_static_chunk): Likewise.
4972 (expand_omp_for): Likewise.
4973 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
4974 (expand_omp_sections): Similarly, with GOMP_sections_end.
4975 (expand_omp_single): New.
4976 (build_omp_regions_1): Update for OMP_CONTINUE.
4977 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
4978 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
4979 OMP_SECTIONS_SECTIONS.
4980 (lower_omp_single_simple): Don't emit barrier here.
4981 (lower_omp_single_copy): Likewise.
4982 (lower_omp_single): Fix bindings, and lower to straightline now.
4983 (lower_omp_master, lower_omp_ordered): Likewise.
4984 (lower_omp_critical): Likewise.
4985 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
4986 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
4987 omp edges, free it afterward.
4988 (make_omp_sections_edges): Remove.
4989 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
4990 (move_stmt_r): Handle OMP_CONTINUE.
4991 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
4992 statement pointers to basic blocks. Add type member.
4993 (root_omp_region, new_omp_region, free_omp_regions): Declare.
4994 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
4995 * tree-inline.c (estimate_num_insns_1): Likewise.
4996 * tree-pretty-print.c (dump_generic_node): Likewise.
4997 * tree-ssa-operands.c (get_expr_operands): Likewise.
4998 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
4999 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5000 (OMP_CONTINUE): New.
5001 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5002 (OMP_SECTIONS_SECTIONS): Remove.
5003 (OMP_SECTION_LAST): New.
5004 (OMP_RETURN_NOWAIT): New.
5006 2006-04-13 Roger Sayle <roger@eyesopen.com>
5008 * fold-const.c (native_encode_vector, native_interpret_real):
5009 Correct obvious mistakes in the previous check-in.
5011 2006-04-13 Roger Sayle <roger@eyesopen.com>
5013 * fold-const.c (native_encode_expr): New function to encode
5014 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5015 or VECTOR_CST into a specified buffer.
5016 (native_encode_int): New function.
5017 (native_encode_real): New function.
5018 (native_encode_complex): New function.
5019 (native_encode_vector): New function.
5020 (native_interpret_expr): Inverse of native_encode_expr to convert
5021 a target representation into an INTEGER_CST, REAL_CST etc...
5022 (native_interpret_int): New function.
5023 (native_interpret_real): New function.
5024 (native_interpret_complex): New function.
5025 (native_interpret_vector): New function.
5026 (fold_view_convert_expr): New function to constant fold/evaluate
5027 a VIEW_CONVERT_EXPR of a suitable constant expression.
5028 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5029 Change call of build1 to fold_build1 when constructing a
5032 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5033 Ulrich Weigand <uweigand@de.ibm.com>
5036 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5039 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5042 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5043 optimize to lo_sum for DFmode if !TARGET_FPRS.
5045 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5047 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5048 delete_alias_info, compute_flow_sensitive_aliasing,
5049 group_aliases): Use VEC instead of VARRAY.
5050 * tree-ssa-structalias.c (update_alias_info): Likewise.
5051 * tree-ssa-structalias.h (alias_info): Change the type of
5052 processed_ptrs to VEC(tree,heap) *.
5054 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5057 * config/sh/lib1funcs.h: New file, broken out of:
5058 * config/sh/lib1funcs.asm.
5059 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5061 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5062 * config/sh/lib1funcs-Os-4-200.asm: New file.
5063 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5064 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5065 (EXTRA_MULTILIB_PARTS): Include it.
5066 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5067 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5068 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5069 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5072 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5074 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5075 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5076 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5078 * tree-ssa-live.h: Include vecprim.h.
5079 (tree_partition_associator_d): Change the type of
5080 first_partition to VEC(int,heap) *.
5081 (tpa_first_partition): Use VEC instead of VARRAY.
5083 * Makefile.in (GTFILES): Move functions.h after tree.h.
5084 * function.c (reset_block_changes, record_block_change,
5085 check_block_change, free_block_changes): Use VEC instead of
5087 * function.h (function): Change the type of
5088 ib_boundaries_block to VEC(tree,gc) *.
5089 * tree-inline.c (copy_cfg_body): Initialize
5090 ib_boundaries_block to NULL instead of (varray_type) 0.
5092 2006-04-12 Roger Sayle <roger@eyesopen.com>
5094 * expr.c (emit_group_store): Correct operand order in call to
5095 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5096 a SUBREG_BYTE of zero.
5098 2006-04-12 Richard Guenther <rguenther@suse.de>
5100 * profile.c (compute_branch_probabilities): Remove code
5101 encapsulated in !ir_type (), which are remanents of the
5102 removed RTL profiling code.
5103 * rtl-profile.c: Remove.
5105 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5107 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5108 magic NULL_RTX comment.
5109 (function_arg): Store entire fp arg to mem if any part should go
5111 (rs6000_arg_partial_bytes): Adjust for above change.
5113 2006-04-11 Roger Sayle <roger@eyesopen.com>
5115 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5116 if it hasn't been initialized by dwarf2out_init.
5118 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5120 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5121 symbolic constants in branch patterns.
5123 2006-04-11 Roger Sayle <roger@eyesopen.com>
5125 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5127 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5129 PR rtl-optimization/27073
5130 * gcse.c (try_replace_reg): Revert last change. Continue to search
5131 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5134 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5136 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5137 aggregate types other than record and union types.
5138 (function_arg): Likewise.
5139 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5141 (function_value): In 64-bit mode, return objects that require it
5144 2006-04-11 Roger Sayle <roger@eyesopen.com>
5146 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5148 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5150 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5152 2006-04-03 Jeff Law <law@redhat.com>
5155 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5156 alias information too.
5158 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5160 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5162 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5165 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5166 (premark_used_types_helper): New.
5167 (premark_used_types): New.
5168 (gen_subprogram_die): Call premark_used_types.
5169 (prune_unused_types_walk): Do not prune perennial dies.
5170 * function.c (used_types_insert): New.
5171 * function.h (struct function): Add used_types_hash field.
5172 (used_types_insert): Add prototype.
5173 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5174 * c-parser.c (c_parser_cast_expression): Save casted types in used
5177 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5180 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5181 rs6000_explicit_options.float_gprs.
5183 2006-04-10 Roger Sayle <roger@eyesopen.com>
5185 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5186 from ix86_expand_vector_init_low_nonzero. Take an additional
5187 one_var argument indicating which element is non-zero. Support
5188 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5189 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5190 with one_var instead of ix86_expand_vector_init_low_nonzero.
5192 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5194 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5195 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5196 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5197 build/genextract.o): Depend on vecprim.h.
5198 * cfglayout.c, df-problems.c, function.c, genextract.c,
5199 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5200 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5204 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5206 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5207 Declare VECs of this type.
5208 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5209 (remove_children): Delete.
5210 (add_dwarf_attr): Use VEC routines.
5211 (add_AT_flag): Update for changes to add_dwarf_attr.
5212 (add_AT_int): Likewise.
5213 (add_AT_unsigned): Likewise.
5214 (add_AT_long_long): Likewise.
5215 (add_AT_vec): Likewise.
5216 (add_AT_string): Likewise.
5217 (add_AT_die_ref): Likewise.
5218 (add_AT_fde_ref): Likewise.
5219 (add_AT_loc): Likewise.
5220 (add_AT_loc_list): Likewise.
5221 (add_AT_addr): Likewise.
5222 (add_AT_lbl_id): Likewise.
5223 (add_AT_lineptr): Likewise.
5224 (add_AT_macptr): Likewise.
5225 (add_AT_offset): Likewise.
5226 (add_AT_range_list): Likewise.
5227 (get_AT): Use VEC_iterate.
5228 (remove_AT): Use VEC_ordered_remove.
5229 (free_die): Fold remove_children into here; have it use VEC_iterate.
5230 (print_die): Use VEC_iterate on attrs.
5231 (reverse_die_lists): Don't reverse attr lists.
5232 (die_checksum): Use VEC_iterate on attrs.
5233 (same_die_p): Likewise.
5234 (output_location_lists): Likewise.
5235 (build_abbrev_table): Likewise.
5236 (size_of_die): Likewise.
5237 (unmark_all_dies): Likewise.
5238 (output_abbrev_section): Likewise.
5239 (output_die): Likewise.
5240 (prune_unused_types_walk_attribs): Likewise.
5242 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5244 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5246 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5249 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5251 2006-04-09 Roger Sayle <roger@eyesopen.com>
5253 * expr.c (store_constructor): Don't bother clearing target if
5254 we're about to assign a vector to it using vec_init_optab.
5256 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5258 * tree-ssa-alias.c (lhs_may_store_to): New function.
5259 (recalculate_used_alone): Handle LHS of calls.
5261 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5265 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5266 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5267 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5268 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5269 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5270 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5271 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5272 stubs. Add ".align 8" directives before all ".dword" directives.
5273 (GTHREAD_USE_WEAK): Revise comment.
5274 (TARGET_ATTRIBUTE_WEAK): Define.
5275 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5276 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5277 * stublib.c: New file.
5282 * pa.md (cbranch patterns): Revise arguments used in calls to
5283 output_cbranch, output_bb and output_bvd. Add long branch length
5285 (fbranch patterns): Handle long branches.
5286 (jump): Revise length check. Revise arguments for output_lbranch call.
5287 Add long branch length attributes.
5288 (decrement_and_branch_until_zero): Add long branch length attributes.
5289 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5290 Likewise. Revise arguments for output_parallel_addb and
5291 output_parallel_movb calls.
5292 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5293 output_parallel_movb and output_parallel_addb): Update prototypes.
5294 * pa.c (output_cbranch): Revise arguments. Correct handling of
5295 nullification in long branches.
5296 (output_lbranch): Add new argument to control extraction of delay
5298 (output_bb): Handle long branches.
5299 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5300 output_parallel_addb): Likewise.
5302 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5304 PR rtl-optimization/27073
5305 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5308 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5310 * tree.h (tree_memory_tag): Add old_used_alone.
5311 (SMT_OLD_USED_ALONE): New macro.
5312 * tree-ssa-alias.c (recalculate_used_alone): Stop
5313 marking things for renaming unnecessarily.
5315 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5317 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5318 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5319 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5320 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5321 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5322 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5323 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5324 spelling convensions.
5325 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5326 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5327 typos. Follow spelling conventions.
5329 2006-04-07 DJ Delorie <dj@redhat.com>
5331 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5332 passed on the stack.
5333 (m32c_init_cumulative_args): When a function returns a structure,
5334 always pass the pointer to that return area on the stack.
5335 (m32c_function_arg_advance): Don't increment the parameter number
5336 if we're processing the returned structure pointer.
5337 (pushm_info): Reverse order of registers.
5339 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5341 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5342 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5343 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5344 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5346 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5347 chrec_fold_multiply): Same.
5348 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5349 force_expr_to_var_cost): Same.
5350 * tree-mudflap.c (mf_xform_derefs_1): Same.
5351 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5353 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5355 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5356 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5359 2006-04-07 Jan Hubicka <jh@suse.cz>
5361 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5363 2006-04-07 Richard Guenther <rguenther@suse.de>
5365 PR tree-optimization/26135
5366 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5367 loads for store copy-prop.
5368 (copy_prop_visit_stmt): Likewise.
5370 2006-04-05 Robert Millan <robertmh@gnu.org>
5372 * config/i386/linux.h: Add a comment to mark macros that are
5373 being overriden in config/k*bsd-gnu.h.
5374 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5376 * config/knetbsd-gnu.h: Ditto.
5378 2006-04-06 Jan Hubicka <jh@suse.cz>
5382 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5385 2006-04-06 Mike Stump <mrs@apple.com>
5387 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5388 for HAVE_nonlocal_goto to be consistent.
5389 (expand_builtin_nonlocal_goto): Likewise.
5390 (expand_builtin_strcmp): Use #ifdef instead of #if
5391 for HAVE_cmpstrnsi to be consistent.
5393 2006-04-05 DJ Delorie <dj@redhat.com>
5395 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5398 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5400 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5401 got-relative addressing for anything but SImode.
5403 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5404 even if the calling function doesn't modify them.
5406 2006-04-05 Richard Guenther <rguenther@suse.de>
5408 PR tree-optimization/26919
5409 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5410 to cgraph_estimate_size_after_inlining.
5412 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5414 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5416 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5418 PR tree-optimization/26996
5419 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5420 VECTOR_TYPE variables.
5422 2006-04-05 Richard Guenther <rguenther@suse.de>
5424 PR tree-optimization/26763
5425 * fold-const.c (fold_comparison): Move folding of
5426 PTR + CST CMP PTR + CST ...
5427 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5429 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5431 * doc/install.texi (Prerequisites): Refine some wording on
5432 bootstrapping and ksh.
5433 Move the version numbers of DejaGnu here from the testing section
5434 and fix casing of names.
5435 Fix markup and clarify wording for autogen requirements.
5436 Refer to GCJ instead of just java.
5437 Refer to SVN instead of CVS.
5438 Describe diffutils as useful instead of necessary.
5439 (Downloading the source): Refer to SVN instead of CVS.
5440 Adjust a link to our web site accordingly.
5441 (Configuration): Fix casing of Bison.
5442 (Building): Refer to SVN instead of CVS.
5443 Fix a sentence on the use of Bison and remove duplicate (and
5444 incorrect) version number of Bison requirement.
5445 Remove one redundant list of packages needed for building.
5446 (Specific): Avoid reference to CVS.
5448 2006-04-04 Eric Christopher <echristo@apple.com>
5450 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5451 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5452 (rs6000_handle_struct_attribute): New.
5453 (rs6000_ms_bitfield_layout_p): Ditto.
5455 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5457 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5458 NULL for dso parameter to atexit_common.
5460 2006-04-04 Eric Christopher <echristo@apple.com>
5462 * config/i386/i386.c (machopic_output_stub): Output \t
5463 between instructions and operands.
5465 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5467 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5468 satisfies_constraint_[IL] to explicit tests on value.
5470 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5472 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5473 set_nb_iterations_in_loop): Use build_int_cst instead of
5475 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5476 build_int_cst instead of convert.
5478 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5480 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5481 new value 2 for incoming.
5482 * function.c (expand_function_start): Call struct_value_rtx
5484 * config/sparc/sparc.md: Comment updated_return.
5485 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5486 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5487 struct return if sparc_std_struct_return and incoming is 2.
5488 (print_operand): Do not adjust return if
5489 sparc_std_struct_return.
5491 2006-04-04 Roger Sayle <roger@eyesopen.com>
5493 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5494 convert in the middle-end.
5495 * expr.c (store_expr, store_constructor, get_inner_reference,
5496 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
5498 * tree.c (build_range_type): Likewise.
5500 2006-04-04 Tom Tromey <tromey@redhat.com>
5502 * doc/install.texi (Prerequisites): Mention jar.
5504 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
5506 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
5509 2006-04-04 Matthias Klose <doko@debian.org>
5511 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
5512 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
5515 2006-04-03 Geoffrey Keating <geoffk@apple.com>
5517 * doc/extend.texi (Function Attributes): Rewrite visibility
5518 attribute documentation.
5519 * doc/invoke.texi (C++ Dialect Options): Rewrite
5520 -fvisibility-inlines-hidden documentation to describe something
5521 entirely different, although in practise compatible.
5522 (Code Gen Options): Warn about system headers in -fvisibility=
5525 * doc/extend.texi (Other Builtins): Document that
5526 __builtin_nan is a compile-time constant only when its argument
5529 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
5531 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
5532 trying to remove TRUNCATE check if all bits outside the new mode
5533 are identical to the sign bit.
5535 2006-04-03 Jeff Law <law@redhat.com>
5537 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
5538 and operand scanning in some common cases.
5540 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5541 Dale Johannesen <dalej@apple.com>
5544 * regclass.c (struct reg_pref): Update documentation.
5545 (regclass): Set prefclass to NO_REGS if memory is the best option.
5546 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5547 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
5548 into account. For non-registers, equate an empty preferred
5549 reload class to a `!' in the constraint; move the if clause to
5550 do so after those that reject the insn.
5551 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
5553 (find_dummy_reload): Likewise.
5554 * doc/tm.texi (Register Classes): Document what it means
5555 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
5556 * config/i386/i386.c (ix86_preferred_reload_class): Force
5557 using SSE registers (and return NO_REGS for floating-point
5558 constants) if math is done with SSE.
5559 (ix86_preferred_output_reload_class): New.
5560 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
5561 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
5562 * config/i386/i386.md: Remove # register preferences.
5564 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5567 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5568 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
5569 the type of nb_iter.
5570 (instantiate_parameters_1): Convert the operands before calling
5571 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
5572 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
5574 2006-04-02 Roger Sayle <roger@eyesopen.com>
5576 * builtins.c (dummy_object): Use build_int_cst instead of convert.
5577 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
5579 * dojump.c (do_jump): Likewise.
5580 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
5581 * gimplify.c (gimple_boolify, gimplify_init_constructor,
5582 gimplify_boolean_expr): Likewise.
5583 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5584 * varasm.c (array_size_for_constructor): Likewise.
5585 * tree-object-size.c (compute_object_offset): Likewise.
5587 2006-04-02 Roger Sayle <roger@eyesopen.com>
5590 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
5591 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
5593 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5595 PR tree-optimization/26939
5596 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
5598 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5600 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
5601 at_stmt. Convert the type of operands before calling
5602 build_polynomial_chrec.
5603 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
5605 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
5606 (instantiate_parameters_1): Convert the type of operands before calling
5607 build_polynomial_chrec.
5608 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
5609 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
5610 reset_evolution_in_loop): Insert asserts to check the types of the
5612 (chrec_type): Moved...
5613 (eq_evolutions_p): Use operand_equal_p.
5614 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
5615 the types of the operands.
5616 (chrec_type): ...here.
5617 * tree-data-ref.c (create_data_ref): Convert the operands before
5618 calling chrec_replace_initial_condition.
5619 (same_access_functions, analyze_subscript_affine_affine,
5620 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
5621 (compute_subscript_distance, analyze_ziv_subscript,
5622 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
5623 analyze_miv_subscript): Convert the operands before calling
5624 chrec_fold_minus or chrec_fold_plus.
5626 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
5628 * tree-data-ref.c (compute_all_dependences): Use a pointer to
5629 the dependence_relations vector.
5630 (compute_data_dependences_for_loop): Adjust call to
5631 compute_all_dependences.
5633 2006-04-01 Roger Sayle <roger@eyesopen.com>
5634 Richard Henderson <rth@redhat.com>
5636 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5637 gimple_boolify on the condition before calling gimplify_expr.
5639 2006-03-31 Bob Wilson <bob.wilson@acm.org>
5641 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
5642 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
5643 the frame size. Update to use the new macros.
5644 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
5645 * config/xtensa/ieee754-df.S: Likewise.
5647 2006-03-31 Richard Henderson <rth@redhat.com>
5649 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
5650 (make_edges): ... here. Control fallthru creation with a local
5651 variable. Do not play with fake edges.
5652 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
5653 (make_goto_expr_edges): Don't play with fake edges. Make for_call
5656 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
5658 * dwarf2.h (DW64_CIE_ID): Define.
5659 * dwarf2out.c (DWARF_CIE_ID): Define.
5660 (output_call_frame_info): Output 0xffffffff before standard 8-byte
5661 length header. Use DWARF_CIE_ID.
5662 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
5663 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
5665 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
5667 * config/sh/linux-atomic.asm: New file.
5668 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
5670 2006-03-31 DJ Delorie <dj@redhat.com>
5672 * config/m32c/cond.md: Set condition flags properly throughout.
5673 * config/m32c/minmax.md: Likewise.
5674 * config/m32c/prologue.md: Likewise.
5675 * config/m32c/bitops.md: Likewise.
5676 * config/m32c/muldiv.md: Likewise.
5677 * config/m32c/mov.md: Likewise.
5678 * config/m32c/addsub.md: Likewise.
5679 * config/m32c/m32c.md: Likewise.
5680 * config/m32c/jump.md: Likewise.
5681 * config/m32c/shift.md: Likewise.
5683 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
5684 conditionally output the pattern for this.
5685 * config/m32c/m32c.c (flags_needed_for_conditional): New.
5686 (m32c_compare_redundant): New.
5687 (m32c_output_compare): New.
5688 * config/m32c/m32c-protos.h (m32c_output_compare): New.
5690 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
5691 dest, not src. Allow other 4-byte modes.
5693 2006-03-30 Denis Chertykov <denisc@overta.ru>
5695 * doc/md.texi: Refer to avr/constraints.md instead of
5698 2006-03-30 Roger Sayle <roger@eyesopen.com>
5700 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
5701 signed vs. unsigned comparison failures on some hosts.
5703 2006-03-31 Alan Modra <amodra@bigpond.net.au>
5706 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
5707 change to FLOAT_REGS.
5709 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
5710 (rs6000_override_options): Use it.
5711 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
5712 only for -mabi=spe/no-spe and -mabi=altivec.
5714 2006-03-30 Geoffrey Keating <geoffk@apple.com>
5716 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
5719 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
5721 * Makefile.in: Rename docdir to gcc_docdir.
5723 2006-03-30 Roger Sayle <roger@eyesopen.com>
5726 * expr.c (emit_group_store): Optimize group stores into a pseudo
5727 register by using a paradoxical subreg to initialize the destination
5728 if the first or last member of the group specifies a "low part".
5730 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5733 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
5734 * target.h (struct gcc_target.speculate_insn): Change type of the
5735 second parameter to 'int'.
5736 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
5737 the second operand of the DEPS_LIST.
5738 (copy_DEPS_LIST_list): Update reference to the second operand of the
5740 * rtl.h (alloc_DEPS_LIST): Update signature.
5741 * sched-int.h (ds_t): Change typedef to 'int'.
5742 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
5744 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5746 * haifa-sched.c (try_ready): Change condition to restore
5747 non-speculative pattern of the instruction.
5748 (process_insn_depend_be_in_spec): Code to keep probability of the
5749 speculative dependence non-decreasing.
5751 2006-03-30 Jie Zhang <jie.zhang@analog.com>
5753 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
5754 (single_move_for_movmem): ... this. Also change all uses.
5755 (bfin_expand_strmov): Renamed to...
5756 (bfin_expand_movmem): ... this. Also change all uses.
5757 * config/bfin/bfin.md (movstrsi): Renamed to...
5758 (movstrsi): ...this.
5760 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
5762 PR tree-optimization/26830
5764 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
5765 (copy_prop_visit_stmt): Remove write-only variable ann.
5766 (init_copy_prop): Check variable loop depth here. Do not simulate
5767 memory-tag and virtual operand PHIs except for store copy prop.
5769 2006-03-30 Richard Guenther <rguenther@suse.de>
5771 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
5772 variants with double arguments.
5774 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5776 * genpreds.c (write_tm_constrs_h): Delete variable p.
5777 * genconditions.c (write_header): Add tm-constrs.h to included
5779 * genpeep.c (main): Add toplev.h to included headers.
5780 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
5781 (build/genpeep.o): Add toplev.h dependency.
5782 * config/rs6000/constraints.md: Add "W" constraint.
5784 2006-03-29 Roger Sayle <roger@eyesopen.com>
5786 * stor-layout.c (mode_for_size_tree): Remove restiction on type
5787 sizes by correctly testing whether the size fits a host integer.
5788 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
5789 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
5790 SImode range for the default sizetype and bitsizetype.
5792 2006-03-29 Roger Sayle <roger@eyesopen.com>
5794 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
5795 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
5796 quickly if the argument is already of the correct type.
5797 Call fold_build1 instead of build1. Tidy up blank lines.
5799 2006-03-29 David Edelsohn <edelsohn@gnu.org>
5801 * genemit.c (main): Add tm-constrs.h to included headers.
5802 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
5803 * genpeep.c (main): Add tm-constrs.h to included headers.
5804 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
5805 (write_tm_constrs_h): this and write complete file.
5806 (write_tm_preds_h): Do not emit satisfies_constraint fns.
5807 (write_insn_preds_c): Add tm-constrs.h to included headers.
5808 (gen_constrs): New variable.
5809 (parse_option): Parse "-c".
5810 (main): Invoke write_tm_constrs_h.
5811 * genrecog.c (write_header): Add tm-constrs.h to included headers.
5812 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
5813 (object_out_file): Add tm-constrs.h dependency.
5814 (insn-emit.o): Same.
5815 (insn-output.o): Same.
5816 (insn-peep.o): Same.
5817 (insn-preds.o): Same.
5818 (insn-recog.o): Same.
5819 (tm-constsr.h): New target.
5820 (s-constrs-h): New target.
5822 * config/rs6000/constraints.md: New file.
5823 * config/rs6000/rs6000.c: Include tm-constrs.h.
5824 (num_insn_constant_wide): Convert to satisfies_constraint.
5825 (rs6000_rtx_costs): Convert to satisfies_constraint.
5826 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
5827 (CONST_OK_FOR_LETTER_P): Delete.
5828 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5829 (EXTRA_CONSTRAINT): Delete.
5830 (EXTRA_MEMORY_CONSTRAINT): Delete.
5831 (EXTRA_ADDRESS_CONSTRAINT): Delete.
5832 * config/rs6000/predicates.md: Convert to satisfies_constraint.
5833 * config/rs6000/rs6000.md: Include constraints.md. Convert to
5834 satisfies_constraint.
5836 * config/i386/i386.c: Include tm-constrs.h.
5838 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5840 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
5841 * tree-data-ref.c (find_data_references_in_loop,
5842 compute_data_dependences_for_loop): Use pointers to VEC.
5843 (analyze_all_data_dependences): Adjust calls.
5844 * tree-data-ref.h (find_data_references_in_loop,
5845 compute_data_dependences_for_loop): Adjust declarations.
5846 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
5847 compute_data_dependences_for_loop.
5849 2006-03-29 Paul Brook <paul@codesourcery.com>
5851 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
5854 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
5856 PR tree-optimization/26859
5857 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
5859 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
5860 for the step after fold_convert.
5862 2006-03-29 Paul Brook <paul@codesourcery.com>
5864 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
5865 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
5867 2006-03-29 Paul Brook <paul@codesourcery.com>
5870 * targhooks.c (default_narrow_bitfield): New fuction.
5871 * targhooks.h (default_narrow_bitfield): add prototype.
5872 * target.h (gcc_target): Add narrow_volatile_bitfield.
5873 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5874 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
5875 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
5876 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
5878 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
5880 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
5882 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
5883 (NR_C_MODES): Add TDmode, DDmode and SDmode.
5884 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
5885 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
5886 (s390_function_arg_float): Allow SDmode and DDmode values to be
5887 passed in floating point registers.
5888 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
5889 check with SCALAR_FLOAT_MODE_P.
5890 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
5892 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5894 PR tree-optimization/25985
5895 * tree-ssa-loop-niter.c (number_of_iterations_le,
5896 number_of_iterations_ne): Make comments more precise.
5897 (number_of_iterations_cond): Add only_exit argument. Use the
5898 fact that signed variables do not overflow only when only_exit
5900 (loop_only_exit_p): New.
5901 (number_of_iterations_exit): Pass result of loop_only_exit_p to
5902 number_of_iterations_cond.
5904 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
5906 PR tree-optimization/26643
5907 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
5910 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
5912 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
5913 (divsi3_i4_int): Likewise.
5915 2006-03-28 Roger Sayle <roger@eyesopen.com>
5917 * expr.c (emit_group_store): Only create a new pseudo reg if the
5918 quantity it needs to hold isn't already a suitable pseudo.
5920 2006-03-28 Jeff Law <law@redhat.com>
5922 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
5923 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
5925 2006-03-28 Roger Sayle <roger@eyesopen.com>
5927 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
5928 the equivalent ~X & Y, and the symmetry related transformations.
5929 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
5930 ~X & Y, and symmetry related transforms.
5932 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5934 Revert my 2006-03-27 patches.
5936 2006-03-28 Roger Sayle <roger@eyesopen.com>
5938 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
5939 ~(T1)X, when T1 and T2 are integer types of the same precision
5940 and (T2)X isn't an extension.
5942 2006-03-28 Jeff Law <law@redhat.com>
5944 PR tree-optimization/26796
5945 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
5946 need EH edge cleanups rather than purging them immediately.
5947 (eliminate_degenerate_phis): Handle queued EH cleanups.
5949 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
5951 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
5954 2006-03-27 Roger Sayle <roger@eyesopen.com>
5957 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
5958 cast BIT_NOT_EXPR operand to the correct type.
5960 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
5962 * tree-loop-linear.c: Don't include varray.h.
5963 (gather_interchange_stats, try_interchange_loops,
5964 linear_transform_loops): Use VEC instead of VARRAY.
5965 * lambda-mat.c: Don't include varray.h.
5966 * tree-chrec.c: Same.
5967 * lambda-trans.c: Same.
5968 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
5969 VEC instead of VARRAY.
5970 * tree-vectorizer.h: Idem.
5971 * tree-data-ref.c (dump_data_references,
5972 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
5973 initialize_data_dependence_relation, finalize_ddr_dependent,
5974 compute_all_dependences, find_data_references_in_loop,
5975 compute_data_dependences_for_loop, analyze_all_data_dependences,
5976 free_dependence_relation, free_dependence_relations,
5977 free_data_refs): Idem.
5978 * tree-data-ref.h (data_reference_p, subscript_p): New.
5979 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
5980 VEC instead of VARRAY.
5981 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
5982 (find_data_references_in_loop, compute_data_dependences_for_loop,
5983 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
5984 dump_data_dependence_relations, free_dependence_relations,
5985 free_data_refs): Adjust declaration.
5986 (lambda_transform_legal_p): Move declaration here...
5987 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
5988 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
5989 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
5990 vect_analyze_data_refs): Use VEC instead of VARRAY.
5991 * lambda.h (lambda_transform_legal_p): ...from here.
5992 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
5993 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
5994 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
5995 tree-chrec.o): Don't depend on VARRAY_H.
5997 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5999 * rtl.def (Copyright): Update date.
6000 (DEPS_LIST): Change type of the second operand to 'int'.
6001 * target.h (Copyright): Update date.
6002 (struct gcc_target.speculate_insn): Change type of the second parameter
6004 * lists.c (Copyright): Update date.
6005 (alloc_DEPS_LIST): Change signature. Update reference to the second
6006 operand of the DEPS_LIST.
6007 (copy_DEPS_LIST_list): Update reference to the second operand of the
6009 * rtl.h (Copyright): Update date.
6010 (alloc_DEPS_LIST): Update signature.
6011 * sched-int.h (Copyright): Update date.
6012 (ds_t): Change typedef to 'int'.
6013 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6015 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6017 * haifa-sched.c (Copyright): Update date.
6018 (try_ready): Change condition to restore non-speculative pattern
6020 (process_insn_depend_be_in_spec): Code to keep probability of the
6021 speculative dependence non-decreasing.
6023 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6025 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6026 shut up the compiler.
6028 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6030 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6031 to use lib prefix for target.
6032 ($(T)libic_invalidate_array_4-200.a): Likewise.
6033 ($(T)libic_invalidate_array_4a.a): Likewise.
6035 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6036 J"orn Rennecke <joern.rennecke@st.com>
6038 * superh.opt: New file.
6039 * sh.c (boardtype, osruntime): Remove.
6040 * superh.h (SUBTARGET_OPTIONS): Remove.
6041 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6043 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6044 arguments with ^ and/or [].
6046 * config.gcc (sh-*-*): Add quoting to account for quirk of
6048 Replace == with = in enable_incomplete_targets test.
6050 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6051 with MASK_LITTLE_ENDIAN.
6053 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6054 * config/sh/sh.opt: Added to some comments.
6055 * config/sh/superh.h: Removed some chaff.
6057 * config/sh/sh.opt: Add m4-[1234]00* options.
6058 * config/sh/sh.c (sh_handle_option): Likewise.
6059 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6060 (ic_invalidate_array_4-100.o): New rule.
6061 ($(T)libic_invalidate_array_4-100.a): Likewise.
6062 (ic_invalidate_array_4-200.o): Likewise.
6063 ($(T)libic_invalidate_array_4-200.a): Likewise.
6064 (ic_invalidate_array_4a.o): Likewise.
6065 ($(T)libic_invalidate_array_4a.a): Likewise.
6066 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6067 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6069 * config/sh/crt1.asm: Merged in profiling code.
6070 * config/sh/superh.h (STARTFILE_SPEC): Override.
6071 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6072 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6073 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6075 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6076 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6077 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6079 * sh.opt (mpretend-cmove): New option.
6080 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6081 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6082 (movsicc): Add TARGET_PRETEND_CMOVE code.
6084 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6086 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6087 s390_class_max_nregs): New function prototypes.
6088 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6089 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6090 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6091 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6093 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6095 * dwarf2out.c (add_location_or_const_value_attribute): Call
6096 tree_add_const_value_attribute if nothing else works.
6097 (reference_to_unused): New.
6098 (rtl_for_decl_init): Use reference_to_unused to decide whether
6099 to output an initializer.
6101 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6104 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6105 peephole removing spe frob_di_df_2.
6107 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6109 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6110 (subscript_dependence_tester_1): Declared.
6111 (print_dir_vectors, print_dist_vectors): New.
6112 (debug_data_dependence_relation): New.
6113 (dump_data_dependence_relation): Print more details.
6114 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6115 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6116 (save_dist_v, save_dir_v, add_outer_distances,
6117 build_classic_dist_vector_1): New.
6118 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6119 Don't test for lambda_vector_lexico_pos.
6120 (same_access_functions, add_multivariate_self_dist,
6121 add_other_self_distances, dir_from_dist): New.
6122 (build_classic_dir_vector): Replace implementation almost identical to
6123 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6125 (subscript_dependence_tester_1): New.
6126 (subscript_dependence_tester): Handle the lexicographically negative
6127 distance vectors by recomputing the dependence relation.
6128 (compute_affine_dependence): Remove parameter loop_nest_depth.
6129 (compute_self_dependence): Don't call compute_subscript_distance.
6130 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6131 Add a parameter for the loop_nest.
6132 (find_loop_nest_1, find_loop_nest): New.
6133 (compute_data_dependences_for_loop): Compute the loop nest, and give
6134 up if the nest is not well formed.
6135 * tree-data-ref.h (loop_p): New.
6136 (struct data_dependence_relation): Replace size_vect field with
6137 loop_nest, a vec of loops.
6138 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6139 (DDR_LOOP_NEST): New.
6140 (print_dir_vectors, print_dist_vectors,
6141 debug_data_dependence_relation): Declared.
6142 (index_in_loop_nest): New.
6143 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6144 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6147 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6149 * simplify-rtx.c (simplify_relational_operation): Call
6150 simplify_relational_operation_1 even if mode is VOIDmode.
6152 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6154 PR tree-optimization/26804
6155 * tree.h (DECL_CALL_CLOBBERED): New macro.
6156 (tree_decl_common): Add call_clobbered_flag.
6157 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6158 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6159 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6160 (mark_non_addressable): Ditto.
6161 * tree-ssa.c (verify_call_clobbered): New function.
6162 (verify_alias_info): Use it.
6163 * tree-pass.h (pass_reset_cc_flags): New prototype.
6164 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6165 (reset_cc_flags): New function.
6166 * passes.c (init_optimization_passes): Call reset_cc_flags after
6167 initializing referenced_vars.
6169 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6170 Roger Sayle <roger@eyesopen.com>
6173 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6174 to 1.0 for non-real operands. Implement A / A optimization for
6177 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6179 * config/i386/i386.c (size_cost): Correct the comment for
6180 cost of storing fp registers.
6181 (i386_cost): Likewise.
6182 (i486_cost): Likewise.
6183 (pentium_cost): Likewise.
6184 (pentiumpro_cost): Likewise.
6185 (k6_cost): Likewise.
6186 (athlon_cost): Likewise.
6187 (k8_cost): Likewise.
6188 (pentium4_cost): Likewise.
6189 (nocona_cost): Likewise.
6190 (generic64_cost): Likewise.
6191 (generic32_cost): Likewise.
6193 2006-03-24 Denis Chertykov <denisc@overta.ru>
6195 * config/avr/avr-protos.h (extra_constraint): Delete.
6196 (extra_constraint_Q): New declaration.
6197 * config/avr/constraints.md: New file.
6198 * config/avr/avr.md: Include it.
6199 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6200 (TMP_REGNO, ZERO_REGNO): Likewise.
6201 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6202 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6203 (extra_constraint): Delete.
6204 (extra_constraint_Q): Test for memory constraint 'Q'.
6205 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6206 (REG_CLASS_FROM_LETTER): Delete.
6207 (CONST_OK_FOR_LETTER_P): Delete.
6208 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6209 (EXTRA_CONSTRAINT): Delete.
6210 (TMP_REGNO): Delete.
6211 (ZERO_REGNO): Delete.
6213 2006-03-24 Jeff Law <law@redhat.com>
6215 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6216 directly. Call mark_new_vars_to_rename slightly earlier.
6218 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6220 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6222 (gen_compile_unit_die): Use new language types for Objective-C and
6224 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6225 DW_LANG_C_plus_plus.
6228 * config/t-darwin (crt3.o): Work around bug 26840.
6229 * config/darwin-crt3.c: Rewrite.
6230 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6232 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6234 * doc/invoke.texi: Document -femit-class-debug-always
6235 * common.opt: Add -femit-class-debug-always.
6237 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6239 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6240 index and base register.
6241 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6242 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6243 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6244 REGNO_OK_FOR_INDEX_P.
6245 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6247 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6248 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6249 REG_OK_FOR_BASE_P): Definitions removed.
6251 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6254 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6255 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6256 set yet or weren't marked as local yet.
6258 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6260 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6263 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6265 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6266 (rs6000_legitimate_small_data_p): Delete.
6267 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6268 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6269 and make static. Add forward declaration. Update uses.
6270 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6271 of offsettable_memref_p.
6272 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6273 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6275 2006-03-24 Jeff Law <law@redhat.com>
6277 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6278 around bug in immediate-use iterator.
6280 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6283 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6284 or __LITTLE_ENDIAN__.
6286 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6288 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6289 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6290 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6291 * config/sh/sh.opt (mdiv=): Amend description.
6292 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6293 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6294 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6295 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6296 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6297 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6298 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6299 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6300 TARGET_DIVIDE_CALL_FP.
6302 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6304 * haifa-sched.c (choose_ready): Fix type of the local variable.
6305 Move local variables. Add comment.
6306 (check_reg_live): Change signature. Make callable from debugger.
6307 * sched-int.h (check_reg_live): Update signature.
6308 * sched-ebb.c (check_reg_live): Update parameters.
6309 * sched-rgn.c (check_reg_live): Ditto.
6310 (region_head_or_leaf_p): Check pointer before dereferencing.
6311 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6312 before reload on optimization levels below 1.
6314 2006-03-23 Richard Henderson <rth@redhat.com>
6316 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6320 * config/alpha/predicates.md (local_symbolic_operand): Reject
6323 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6326 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6327 expressions which have overflowed constants.
6329 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6331 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6333 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6335 * cfgloopmanip.c (create_loop_notes): Removed.
6336 * final.c (final_scan_insn): Do not handle loop notes.
6337 * jump.c (squeeze_notes): Ditto.
6338 * cfglayout.c (skip_insns_after_block,
6339 duplicate_insn_chain): Ditto.
6340 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6342 * cfgloop.h (create_loop_notes): Declaration removed.
6344 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6346 * varasm.c (output_constant_pool): Restore fnname and fndecl
6348 (assemble_start_function): Adjust call accordingly.
6349 (assemble_end_function): Likewise.
6351 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6354 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6357 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6359 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6362 * system.h (ICE_EXIT_CODE): New macro.
6363 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6364 (diagnostic_action_after_output): Likewise.
6365 * gcc.c (fatal_ice): New function.
6366 (execute): Use it instead of fatal.
6367 (fancy_abort): Likewise.
6368 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6370 2006-03-22 Jeff Law <law@redhat.com>
6372 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6373 iv_analyze_result returning false.
6375 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6377 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6379 2006-03-22 Richard Henderson <rth@redhat.com>
6382 * except.c (duplicate_eh_regions_0): New.
6383 (duplicate_eh_region_1): Duplicate the children of the node as
6384 well as the node itself. Link them up properly.
6385 (duplicate_eh_region_2): Merge into ...
6386 (duplicate_eh_regions): ... here. Take copy_region argument, and
6387 copy only a sub-tree if asked. Simplify copying and fixup.
6388 (eh_region_outer_p): New.
6389 * except.h (duplicate_eh_regions): Update decl.
6390 (eh_region_outer_p): Declare.
6391 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6392 (lower_omp_master): Likewise.
6393 (lower_omp_ordered): Likewise.
6394 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6395 (move_stmt_r): Use it to remap labels. Handle recursion vs
6396 remap_decls_p properly.
6397 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6398 (find_outermost_region_in_block): New.
6399 (new_label_mapper): New.
6400 (move_sese_region_to_fn): Copy eh information to the new function
6402 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6404 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6407 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6409 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6410 into shared libraries.
6412 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6414 * doc/md.texi: Refer to i386/constraints.md instead of
6416 * config/i386/constraints.md: New file, extracted from...
6417 * config/i386/predicates.md: ...here.
6418 * config/i386/i386.md: Include constraints.md.
6420 2006-03-21 Jason Merrill <jason@redhat.com>
6422 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6425 * expr.c (init_block_move_fn): Force default visibility.
6426 (init_block_clear_fn): Likewise.
6427 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6428 * targhooks.c (default_external_stack_protect_fail): Likewise.
6430 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6432 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6433 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6434 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6435 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6436 (loadgp): Use mips_current_loadgp_style.
6437 (loadgp_noshared): New pattern.
6438 (sibcall_internal): Use MIPS_CALL.
6439 (sibcall_value_internal): Likewise.
6440 (sibcall_value_multiple_internal): Likewise.
6441 (call_internal): Likewise.
6442 (call_value_internal): Likewise.
6443 (call_value_multiple_internal): Likewise.
6444 (call_split): Use MIPS_CALL and add an 'S' constraint.
6445 (call_value_split): Likewise.
6446 (call_value_multiple_split): Likewise.
6447 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6448 (-mshared): New option.
6449 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6450 (mips_current_loadgp_style): Declare.
6451 * config/mips/mips.c (mips_classify_symbol): Avoid using
6452 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6453 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6454 TARGET_ABSOLUTE_ABICALLS.
6455 (override_options): Adjust comments. Improve the warning that is
6456 issued when -mabicalls and -G are used together.
6457 (mips_file_start): Remove comment.
6458 (mips_current_loadgp_style): New function.
6459 (mips_gnu_local_gp): New variable.
6460 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6462 (mips_output_function_prologue): Use mips_current_laodgp_style.
6463 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6464 the cprestore instruction.
6465 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6466 live for TARGET_ABSOLUTE_ABICALLS.
6467 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6468 (ASM_SPEC): Pass down -mshared and -mno-shared.
6469 (MIPS_CALL): New macro.
6470 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6472 * doc/invoke.texi (-mabicalls): Update documentation.
6473 (-mshared): Document.
6475 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6477 * config/ia64/unwind-hpux.c: New file.
6478 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6480 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6483 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6485 2006-03-21 Jeff Law <law@redhat.com>
6487 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6488 type conversions of a VR_VARYING source to a wider type.
6490 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6492 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6493 tm_file on Solaris 10 and later.
6494 (sparc64-*-solaris2*): Likewise.
6495 (sparc-*-solaris2*): Likewise.
6496 * config/sol26.h: Rename to config/sol2-6.h.
6497 * config/sol2-10.h: New file.
6499 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
6502 * tree-ssa-pre.c (create_component_ref_by_pieces):
6505 2006-03-21 Jakub Jelinek <jakub@redhat.com>
6508 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
6509 return it immediately.
6511 2006-03-21 Michael Matz <matz@suse.de>
6513 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
6515 (remove_arc, add_arc): Update num_out_arcs member.
6516 (set_out_arc_insns_equiv_num): Returns nothing instead of number
6518 (cache_presence): New function.
6519 (compare_states_for_equiv): New function.
6520 (state_is_differed): Don't take number of outargs, adjust callers.
6521 Use new invariant for speeding up.
6522 (init_equiv_class): Create initial classes based on sorted
6524 (partition_equiv_class): Don't track out_arcs_num.
6525 (evaluate_equiv_classes): Call cache_presence on all states and
6528 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
6530 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
6531 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
6532 (bfin_valid_reg_p): Test for pseudos explicitly and use only
6533 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
6535 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
6536 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
6537 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
6538 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
6539 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
6541 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
6542 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
6543 (REGNO_REG_CLASS): ARGP is in PREGS.
6544 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
6546 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
6547 to deal with those addresses.
6548 * addresses.h: New file.
6549 * caller-save.c: Include "addresses.h".
6550 (init_caller_save): Use new base_reg_class function.
6551 * rtl-factoring.c: Include "addresses.h".
6552 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
6553 * recog.c: Include "addresses.h".
6554 (preprocess_constraints): Use new base_reg_class function.
6555 * regrename.c: Include "addresses.h".
6556 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
6557 functions. Keep track of a new var INDEX_CODE to compute valid
6559 (replace_oldest_value_addr): Likewise.
6560 (replace_oldest_value_mem): Use base_reg_class.
6561 * reload.c: Include "addresses.h".
6562 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
6563 (find_reloads): Use new base_reg_class function.
6564 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
6565 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
6566 all callers and prototype changed.
6567 * reload1.c: Include "addresses.h".
6568 (maybe_fix_stack_asms): Use base_reg_class.
6569 * regclass.c: Include "addresses.h".
6570 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
6571 (init_reg_autoinc): Use new base_reg_class function.
6572 (record_reg_classes): Likewise.
6573 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
6574 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
6575 Use new args to compute necessary class.
6577 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
6578 regrename.o, rtl-factoring.o): Update dependencies.
6579 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
6580 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
6581 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
6582 REG_OK_FOR_INDEX_P): Delete documentation.
6584 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
6586 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
6587 from V7 to V9 for Solaris 7 and above.
6589 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
6591 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
6592 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
6593 argument pointers may not alias any other storage.
6594 * common.opt: Define option -fargument-noalias-anything.
6595 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
6596 alias semantics is specified by flag_argument_noalias > 2.
6598 2006-03-20 Jeff Law <law@redhat.com>
6600 * tree-pass.h (pass_phi_only_copy_prop): Delete.
6601 (pass_phi_only_cprop): Declare.
6602 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
6604 * tree-ssa-dom.c (degenerate_phi_result): New function.
6605 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
6606 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
6607 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
6608 (eliminate_degenerate_phis): Likewise.
6609 (pass_phi_only_cprop): New pass descriptor.
6610 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
6611 support code. Callers updated.
6612 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
6613 (store_copy_prop): Likewise.
6614 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
6616 2006-03-20 Jason Merrill <jason@redhat.com>
6619 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
6620 (push_visibility, pop_visibility): Likewise.
6621 * c-pragma.h: Declare them.
6623 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
6625 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
6627 * config/sh/sh.c (find_regmode_weight): Change the type of the first
6628 parameter and use get_ebb_head_tail.
6629 (sh_md_init_global): Adjust uses of find_regmode_weight.
6631 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
6633 * function.h (struct function) <x_tail_recursion_reentry>:
6634 Rename to x_stack_check_probe_note.
6635 (tail_recursion_reentry): Rename to stack_check_probe_note.
6636 * function.c: Replace tail_recursion_reentry with
6637 stack_check_probe_note everywhere.
6638 (expand_function_start): Only emit a note for
6639 stack_check_probe_note with -fstack-protect.
6640 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
6642 * emit-rtl.c (remove_unnecessary_notes): Remove.
6643 (pass_remove_unnecessary_notes): Remove.
6644 * rtl.h (remove_unnecessary_notes): Remove prototype.
6645 * final.c (final_start_function): Don't call remove_unnecessary_notes.
6646 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
6647 * passes.c (pass_remove_unnecessary_notes): Don't run it.
6649 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
6652 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
6653 (valid_in_set): Handle ARRAY_REF.
6654 Change "if min_variant or VH" to asserts.
6655 (create_component_ref_by_pieces): Handle ARRAY_REF.
6656 (create_expression_by_pieces): Likewise.
6657 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
6659 2006-03-20 David Edelsohn <edelsohn@gnu.org>
6661 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
6662 is operand of switch, not str[0].
6664 2006-03-20 Alan Modra <amodra@bigpond.net.au>
6666 * config/rs6000/rs6000.c (rs6000_handle_option): Use
6667 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
6669 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6671 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
6672 end of insn_extra_address_constraint declaration.
6674 2006-03-19 David Edelsohn <edelsohn@gnu.org>
6676 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
6677 (no-sum-in-toc): Same.
6678 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
6680 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
6681 NO_FP_IN_TOC for -fPIC instead of mask.
6683 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
6684 (BOOT_LDFLAGS): Delete.
6686 * config/rs6000/t-aix52: Same.
6688 * config/rs6000/rs6000.md (store_multiple_power): Delete.
6689 (stmsi[345678]_power): New.
6691 2006-03-17 Steve Ellcey <sje@cup.hp.com>
6693 * config/ia64/ia64.opt: Add empty line to end of file.
6695 2006-03-17 Richard Guenther <rguenther@suse.de>
6698 * builtins.c (get_pointer_alignment): For component style references
6699 adjust alignment to the component type alignment. Make sure
6700 to adjust alignment for component access of constants.
6702 2006-03-17 David Edelsohn <edelsohn@gnu.org>
6704 * config/rs6000/rs6000.md (strlensi): Emit barrier after
6707 2006-03-17 Paul Brook <paul@codesourcery.com>
6709 * doc/install.texi: Docuemnt --with-mode.
6710 * config.gcc: Add --with-mode for arm*-*-*.
6711 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
6713 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
6715 * sh.c (max_labelno_before_reorg): New variable.
6716 (sh_reorg): Initialize it.
6717 (find_barrier): Check max_labelno_before_reorg before using
6718 label_to_alignment. Take length of explicit alignment insns
6719 into account. When seeing a UNSPECV_CONST_END, return it.
6721 * sh.c (fixup_mova): Set mode of affected label to QImode.
6722 (untangle_mova): New function.
6723 (find_barrier): Use it. Check mode of label before decrementing
6725 (sh_reorg): Likewise.
6726 Set mode of all insns back to VOIDmode.
6728 * sh.c (MOVA_LABELREF): New macro.
6729 (mova_p, fixup_mova, sh_reorg): Use it.
6730 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
6731 ADDR_DIFF_VEC matches mova.
6733 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
6735 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
6736 with ATTRIBUTE_UNUSED.
6738 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6740 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6741 pointer, instead of assuming it is possible to derive the
6742 correct args size from a call insn.
6744 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6746 * rtl.h (CONST_INT_P): Define.
6747 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
6748 instead of GET_CODE(x) == CONST_INT.
6749 (vax_rtx_costs): Likewise.
6750 (vax_output_int_move): Likewise.
6751 (vax_output_int_add): Likewise.
6752 (legitimate_constant_address_p): Likewise.
6753 (index_term_p): Likewise.
6754 * config/vax/vax.h (PRINT_OPERAND): Likewise.
6755 * config/vax/vax.md (and<mode>3): Likewise.
6756 (ashrsi3): Likewise.
6758 (movstricthi): Likewise.
6759 (movstrictqi): Likewise.
6760 (rotrsi3): Likewise.
6761 (five unnamed insns): Likewise.
6763 2006-03-16 Geoffrey Keating <geoffk@apple.com>
6765 * doc/tm.texi (SDB and DWARF): Add extra parameter to
6766 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
6767 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
6768 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
6769 Pass to ASM_OUTPUT_DWARF_OFFSET.
6770 * dwarf2out.c (debug_frame_section): New.
6771 (output_call_frame_info): Use debug_frame_section. Pass it to
6772 dw2_asm_output_offset.
6773 (output_die): Pass appropriate section to dw2_asm_output_offset.
6774 (output_compilation_unit_header): Likewise.
6775 (output_pubnames): Likewise.
6776 (output_aranges): Likewise.
6777 (enum dw_val_class): Break dw_val_class_lbl_offset into
6778 dw_val_class_lineptr and dw_val_class_macptr.
6779 (add_AT_lbl_offset): Delete.
6780 (add_AT_lineptr): New.
6781 (add_AT_macptr): New.
6782 (AT_lbl): Expect a lineptr or macptr.
6783 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
6784 (attr_checksum): Likewise.
6785 (same_dw_val_p): Likewise.
6786 (size_of_die): Likewise.
6787 (value_format): Likewise.
6788 (output_die): Likewise.
6789 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
6791 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6792 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
6793 * config/darwin-protos.h (darwin_file_start): New.
6794 (darwin_asm_output_dwarf_offset): New.
6795 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
6796 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
6798 * config/darwin.c (darwin_emit_unwind_label): Don't output label
6799 if not EH section; simplify.
6800 (darwin_file_start): New.
6801 (darwin_asm_output_dwarf_offset): New.
6802 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
6804 (DEBUG_INFO_SECTION): Likewise.
6805 (DEBUG_ABBREV_SECTION): Likewise.
6806 (DEBUG_ARANGES_SECTION): Likewise.
6807 (DEBUG_MACINFO_SECTION): Likewise.
6808 (DEBUG_LINE_SECTION): Likewise.
6809 (DEBUG_LOC_SECTION): Likewise.
6810 (DEBUG_PUBNAMES_SECTION): Likewise.
6811 (DEBUG_STR_SECTION): Likewise.
6812 (DEBUG_RANGES_SECTION): Likewise.
6813 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
6814 (ASM_OUTPUT_DWARF_OFFSET): New.
6816 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
6818 * config.gcc (tm_defines): Always add to previous value rather
6821 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6823 * config/mips/predicates.md (splittable_const_int_operand): New,
6824 split from move_operand.
6825 (splittable_symbolic_operand): New.
6826 (move_operand): Add commentary. Use splittable_const_int_operand.
6827 Inline mips_atomic_symbolic_constant_p.
6828 * config/mips/mips.md: Add combine splitters for handling moves
6829 of splittable_const_int_operands and splittable_symbolic_operands.
6830 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
6831 (mips_split_symbol): Declare.
6832 (mips_move_integer): Declare.
6833 * config/mips/mips.c (mips_split_p): Make global.
6834 (TARGET_MIN_ANCHOR_OFFSET): Override default.
6835 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6836 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6837 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
6838 (mips_offset_within_object_p): Handle block symbols.
6839 (mips_atomic_symbolic_constant_p): Delete.
6840 (mips_cannot_force_const_mem): Return false for constants that
6841 mips_legitimize_move can handle.
6842 (mips_use_blocks_for_constant_p): New function.
6843 (mips_split_symbol): Make global.
6844 (mips_move_integer): Likewise. Add a temporary register argument.
6845 (mips_legitimize_const_move): Use splittable_const_int_operand and
6846 splittable_symbolic_operand.
6847 (mips_use_anchors_for_symbol_p): New function.
6848 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
6849 (mips_split_p): Declare.
6851 2006-03-16 Richard Sandiford <richard@codesourcery.com>
6853 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
6854 (mips*-*-linux*): Likewise.
6856 2006-03-16 Roger Sayle <roger@eyesopen.com>
6857 Daniel Speyer <dspeyer@wam.umd.edu>
6860 * tree-dump.c (dump_real): New function.
6861 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
6862 * Makefile.in (REAL_H): New macro for dependencies on real.h.
6863 (tree-dump.o): Add $(REAL_H) to the dependencies.
6865 2006-03-16 Roger Sayle <roger@eyesopen.com>
6868 * real.c (real_from_string): If the mantissa is zero, don't bother
6869 parsing the exponent as the result should always be zero.
6871 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
6873 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
6875 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6877 * config/ia64/ia64.c (stops_p): Added explicit initialization.
6878 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
6879 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
6880 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
6881 ia64_sched_finish_global): New static functions to implement
6882 hooks from gcc_target.sched.
6883 (spec_check_no, max_uid, pending_data_specs): New static variables.
6884 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
6885 ia64_spec_check_src_p): New static functions.
6886 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
6887 (TARGET_SCHED_ADJUST_COST): Removed.
6888 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
6889 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
6890 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
6891 TARGET_SCHED_GEN_CHECK,
6892 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6893 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
6894 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
6895 Fixed to handle speculation checks.
6896 (rtx_needs_barrier): Fixed to handle speculative loads and
6898 (ia64_variable_issue): Added code to count speculative loads and their
6900 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
6902 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
6904 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
6906 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
6907 (ia64_reorg): Reset stops_p to NULL after it is freed.
6908 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
6909 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
6910 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
6912 (data_speculative, control_speculative, check_load): New attributes.
6913 (mov<mode>_advanced, mov<mode>_speculative,
6914 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
6915 zero_extend<mode>di2_speculative,
6916 zero_extend<mode>di2_speculative_advanced): New patterns for
6917 data and control speculative loads.
6918 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
6920 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
6921 New pattern for data and control speculation checks.
6922 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
6923 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
6924 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
6925 Auxiliary definitions for the patterns.
6926 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
6927 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
6929 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
6931 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
6932 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
6933 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
6934 New resource constraints.
6935 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
6937 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
6938 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
6939 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6940 msched-in-control-spec, msched-ldc, msched-control-ldc,
6941 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6942 msched-prefer-non-control-spec-insns,
6943 msched-count-spec-in-critical-path): New flags to tune speculative
6945 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
6946 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
6947 msched-in-control-spec, msched-ldc, msched-control-ldc,
6948 msched-spec-verbose, msched-prefer-non-data-spec-insns,
6949 msched-prefer-non-control-spec-insns,
6950 msched-count-spec-in-critical-path): Document new flags.
6952 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6954 * target.h (struct spec_info_def): New opaque declaration.
6955 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
6956 speculate_insn, needs_block_p, gen_check,
6957 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
6958 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
6959 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
6960 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
6961 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
6962 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
6964 (TARGET_SCHED): Use new macros.
6965 * rtl.h (copy_DEPS_LIST_list): New prototype.
6966 * sched-int.h (struct sched_info): Change signature of new_ready field,
6967 adjust all initializations. New fields: add_remove_insn,
6968 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
6969 region_head_or_leaf_p.
6970 (struct spec_info_def): New structure declaration.
6971 (spec_info_t): New typedef.
6972 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
6973 recovery_block, orig_pat.
6974 (glat_start, glat_end): New variables declaraions.
6975 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
6977 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
6978 DETACH_LIFE_INFO, USE_GLAT.
6979 (enum SPEC_SCHED_FLAGS): New enumeration.
6980 (NOTE_NOTE_BB_P): New macro.
6981 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
6982 attach_life_info, debug_spec_status, check_reg_live): New functions.
6983 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
6984 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
6986 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
6987 * ddg.c (get_block_head_tail): Adjust all uses.
6988 * modulo-sched.c (get_block_head_tail): Adjust all uses.
6989 (sms_sched_info): Initialize new fields.
6990 (contributes_to_priority): Removed.
6991 * haifa-sched.c (params.h): New include.
6992 (get_block_head_tail): Adjust all uses.
6993 (ISSUE_POINTS): New macro.
6994 (glat_start, glat_end): New global variables.
6995 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
6996 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
6997 old_last_basic_block, before_recovery, current_sched_info_var,
6998 rgn_n_insns, luid): New static variables.
6999 (insn_cost1): New function. Move logic from insn_cost to here.
7000 (find_insn_reg_weight1): New function. Move logic from
7001 find_insn_reg_weight to here.
7002 (reemit_notes, move_insn, max_issue): Change signature.
7003 (move_insn1): Removed.
7004 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7005 extend_bb): New static functions to support extension of scheduler's
7007 (generate_recovery_code, process_insn_depend_be_in_spec,
7008 begin_speculative_block, add_to_speculative_block,
7009 init_before_recovery, create_recovery_block, create_check_block_twin,
7010 fix_recovery_deps): New static functions to support
7011 generation of recovery code.
7012 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7013 restore_bb_notes, move_block_after_check, move_succs): New static
7014 functions to support ebb scheduling.
7015 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7016 functions to support handling of register live information.
7017 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7018 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7019 add_jump_dependencies): New static functions.
7020 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7021 consistancy checking.
7022 (debug_spec_status): New function to call from debugger.
7023 (priority): Added code to handle speculation checks.
7024 (rank_for_schedule): Added code to distinguish speculative instructions.
7025 (schedule_insn): Added code to handle speculation checks.
7026 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7027 Fixed to handle ebbs.
7028 (move_insn): Added code to handle ebb scheduling.
7029 (max_issue): Added code to use ISSUE_POINTS of instructions.
7030 (choose_ready): Added code to choose between speculative and
7031 non-speculative instructions.
7032 (schedule_block): Added code to handle ebb scheduling and scheduling of
7033 speculative instructions.
7034 (sched_init): Initialize new variables.
7035 (sched_finish): Free new variables. Print statistics.
7036 (try_ready): Added code to handle speculative instructions.
7037 * lists.c (copy_DEPS_LIST_list): New function.
7038 * sched-deps.c (extend_dependency_caches): New function. Move logic
7039 from create_dependency_caches to here.
7040 (get_dep_weak, ds_merge): Make global.
7041 * genattr.c (main): Code to output prototype for
7042 dfa_clear_single_insn_cache.
7043 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7044 (output_dfa_clean_insn_cache_func): Code to output
7045 dfa_clear_single_insn_cache function.
7046 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7048 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7050 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7051 New static variables.
7052 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7053 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7055 (ebb_sched_info): Initialize new fields.
7056 (get_block_head_tail): Adjust all uses.
7057 (compute_jump_reg_dependencies): Fixed to use glat_start.
7058 (schedule_ebb): Code to remove unreachable last block.
7059 (schedule_ebbs): Added code to update register live information.
7060 * sched-rgn.c (region_sched_info): Initialize new fields.
7061 (get_block_head_tail): Adjust all uses.
7062 (last_was_jump): Removed. Adjust users.
7063 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7064 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7065 Implement new hooks.
7066 (check_dead_notes1): New static function.
7067 (struct region): New fields: dont_calc_deps, has_real_ebb.
7068 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7069 (BB_TO_BLOCK): Fixed to handle EBBs.
7070 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7071 (ebb_head): New static variable.
7072 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7073 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7075 (compute_dom_prob_ps): New assertion.
7076 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7077 global_live_at_start.
7078 (init_ready_list): New assertions.
7079 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7080 (new_ready): Add support for BEGIN_CONTROL speculation.
7081 (schedule_insns): Fixed code that updates register live information
7083 (schedule_region): Fixed to handle EBBs.
7084 (init_regions): Use extend_regions and check_dead_notes1.
7085 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7086 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7087 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7088 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7089 TARGET_SCHED_GEN_CHECK,
7090 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7091 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7092 * doc/invoke.texi (max-sched-insn-conflict-delay,
7093 sched-spec-prob-cutoff): Document.
7095 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7097 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7098 inter_tick, queue_index.
7099 (struct sched_info): Change signature of init_ready_list field.
7100 Adjust all initializations.
7101 (RESOLVED_DEPS): New access macro.
7102 (ready_add): Remove prototype.
7103 (try_ready): Add prototype.
7104 * sched-rgn.c (init_ready_list): Use try_ready.
7105 (schedule_region): Initialize
7106 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7107 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7108 (init_ready_list): Use try_ready.
7109 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7110 * lists.c (remove_list_elem): Remove `static'.
7111 (remove_free_INSN_LIST_elem): New function.
7112 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7113 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7114 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7116 (readyp): New variable.
7117 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7118 change_queue_index, resolve_dep): New static functions.
7119 (try_ready): New function. Adjust callers in sched-rgn.c and
7120 sched-ebb.c to use it instead of ready_add.
7121 (clock_var): Move at the begining of file.
7122 (rank_for_schedule): Fix typo.
7123 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7124 (ready_lastpos): Enforce assertion.
7125 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7127 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7128 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7129 (queue_to_ready): Use free_INSN_LIST_list.
7130 (early_queue_to_ready): Fix typo.
7131 (schedule_block): Init readyp. Move init_ready_list call after the
7132 initialization of clock_var. Fix error in rejecting insn by
7133 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7134 that previously corrected INSN_TICKs. Add code for handling
7136 (set_priorities): Fix typo.
7137 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7138 Clarify comment and code that keeps current_sched_info->next_tail
7141 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7143 * sched-rgn.c (extend_rgns): New static function.
7144 (find_rgns): Use it.
7145 (gather_region_statistics, print_region_statistics): New static
7147 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7148 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7150 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7151 Andrey Belevantsev <abel@ispras.ru>
7153 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7154 * lists.c (unused_deps_list): New variable.
7155 (free_list): Add assertions to verify the proper distinguishing
7156 between INSN_LISTs and DEPS_LISTs.
7157 (find_list_elem, remove_list_elem, remove_list_node): New static
7159 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7160 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7161 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7162 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7164 (free_INSN_LIST_node): Likewise.
7165 * modulo-sched.c (current_sched_info): Initialize flags field.
7166 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7167 * rtl.def (DEPS_LIST): Define.
7168 * rtl.h: Declare new functions from lists.c.
7169 * sched-deps.c (spec_dependency_cache): New static variable.
7170 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7171 (add_dependence): Change return type to void. Move the logic to ...
7172 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7173 (delete_all_dependences): Add comment about forward_dependency_cache.
7174 Handle spec_dependency_cache. Handle DEPS_LISTs.
7175 (fixup_sched_groups): Clarify the change of priority of output
7176 and anti dependencies.
7177 (sched_analyze_2): Adjust add_dependence calls to create data
7178 speculative dependence.
7179 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7180 Adjust all callers. Handle DEPS_LISTS.
7181 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7182 presence of speculation.
7183 (init_dependency_caches, free_dependency_caches):
7184 Handle spec_dependency_cache.
7185 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7186 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7187 New static functions.
7188 (add_or_update_back_dep, add_or_update_back_forw_dep,
7189 add_back_forw_dep, delete_back_forw_dep): New functions.
7190 * sched-int.h (ds_t, dw_t): New typedefs.
7191 (struct sched_info): Add new field flags.
7192 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7193 Prototype new sched-deps.c functions.
7194 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7195 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7196 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7197 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7198 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7199 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7201 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7203 * sched-rgn.c (current_sched_info): Initialize flags field.
7204 (schedule_insns): Initialize current_sched_info before the sched_init
7206 * sched-ebb.c (current_sched_info): Initialize flags field.
7207 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7208 Call add_or_update_back_dep instead of add_dependence.
7209 Create control speculative dependencies.
7210 (schedule_insns): Initialize current_sched_info before the sched_init
7213 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7215 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7217 (sh_fallback_frame_state): Likewise.
7219 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7221 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7222 Do switch on default_use_cxa_atexit.
7223 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7224 * config/darwin-crt3.o: New.
7225 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7226 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7227 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7229 * config/rs6000/t-darwin: Move crt2.o building to here.
7230 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7231 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7234 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7236 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7237 from '! xxx' to '!xxx' for coding-style conformance.
7238 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7239 (EXTRA_CONSTRAINT): Likewise.
7240 * config/vax/vax.md (four unnamed insns): Likewise.
7242 2006-03-15 Paul Brook <paul@codesourcery.com>
7244 * config/arm/arm.c (minipool_pad): New.
7245 (add_minipool_forward_ref): Include pool alignment padding in address
7247 (push_minipool_fix): Set minipool_pad.
7248 (minipool_pad): Ditto.
7250 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7252 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7253 instead of GET_CODE() == MEM and REG_P() instead of
7255 (print_operand_address): Likewise.
7256 (vax_address_cost): Likewise.
7257 (vax_rtx_costs): Likewise.
7258 (vax_notice_update_cc): Likewise.
7259 (vax_output_int_add): Likewise.
7260 (INDEX_REGISTER_P): Likewise.
7261 (BASE_REGISTER_P): Likewise.
7262 (nonindexed_address_p): Likewise.
7263 (vax_mode_dependent_address_p): Likewise.
7264 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7265 (PRINT_OPERAND): Likewise.
7266 * config/vax/vax.md (ashlsi3): Likewise.
7267 (ashlsi3): Likewise.
7268 (some more unnamed insns): Likewise.
7270 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7272 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7273 iterator-style macro.
7274 (mark_control_dependent_edges_necessary): Update the use of
7275 EXECUTE_IF_CONTROL_DEPENDENT.
7277 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7279 * config/sh/predicates.md (cache_address_operand): Special.
7280 (ua_address_operand): Likewise.
7282 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7284 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7286 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7288 2006-03-15 Andreas Schwab <schwab@suse.de>
7290 * gensupport.c (identify_predicable_attribute): Don't free p_false
7291 when it is still in use.
7293 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7295 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7296 the default setting here.
7298 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7300 * tree-pass.h (pass_cfg): Remove.
7301 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7302 * passes.c (pass_cfg): Don't run it.
7304 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7306 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7307 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7309 (stack_regs_mentioned): Update the uses of
7310 stack_regs_mentioned_data. Don't access the array beyond its
7312 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7313 Don't include gt-reg-stack.h.
7315 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7316 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7318 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7321 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7324 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7326 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7328 2006-03-14 Richard Guenther <rguenther@suse.de>
7330 PR tree-optimization/26672
7331 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7334 2006-03-14 Richard Guenther <rguenther@suse.de>
7336 PR tree-optimization/26667
7337 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7338 node for the callees. Always allow inlining if it will shrink
7341 2006-03-14 Richard Guenther <rguenther@suse.de>
7344 * builtins.c (get_pointer_alignment): Prefer alignment
7345 information from decls over that from types.
7347 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7350 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7352 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7354 * config/rs6000/rs6000.opt (mdlmzb): New option.
7355 (msched-prolog, msched-epilog): Use Var not Mask.
7356 * doc/invoke.texi (-mdlmzb): Document.
7357 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7359 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7360 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7362 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7364 PR rtl-optimization/25739
7365 * bt-load.c (augment_live_range): Free tos pointer.
7367 * gensupport.c (identify_predicable_attribute): Free
7369 * gcov.c (create_file_names): Free name pointer.
7371 2006-03-13 Roger Sayle <roger@eyesopen.com>
7374 * stmt.c (emit_case_nodes): Handle the case where the index is a
7375 CONST_INT, where the comparison mode is specified by the index type.
7377 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7379 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7382 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7384 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7385 (*branch_fp_inverted): Likewise.
7387 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7390 * omp-low.c (expand_omp_for_generic): Mark istart0
7391 and iend0 as addressable.
7393 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7395 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7397 2006-03-13 Jeff Law <law@redhat.com>
7399 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7400 virtual operands are interesting.
7401 (vrp_visit_stmt): Corresponding changes.
7403 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7405 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7407 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7408 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7409 * config/bfin/crti.S: Use it instead of __PIC__.
7410 * config/bfin/crtn.S: Likewise.
7412 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7413 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7415 Lose 'G' modifier for call operand.
7416 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7417 recognize 'G' modifier.
7419 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7422 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7423 * stmt.c (expand_case): Likewise.
7425 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7427 PR rtl-optimization/26254
7428 * loop-invariant.c (seq_insns_valid_p): New function.
7429 (move_invariant_reg): Only emit new code if it is valid.
7431 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7433 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7435 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7436 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7437 (commit_one_edge_insertion): Do not look for loop notes.
7439 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7441 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7442 flag_test_coverage out of loop.
7444 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7446 * final.c (shorten_branches): Remove outdated comment, and turn
7447 the if branch that guards it to continue.
7449 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7451 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7452 * cfgloop.h (struct loop): Remove unused fields.
7454 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7456 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7457 (-dL, -fdump-rtl-loop2): Update the dump file names
7459 * doc/invoke.texi: Update dump file names.
7461 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7463 * predict.c (estimate_probability): Remove.
7464 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7465 * basic-block.h (estimate_probability): Remove prototype.
7466 * passes.c (finish_optimization_passes): Dump branch prediction or
7467 profiling heuristics to the .profile tree dump.
7468 (init_optimization_passes): Unqueue pass_branch_prob.
7470 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7472 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7474 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7475 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7477 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7479 * function.h (frame_offset_overflow): Declare.
7480 * function.c (frame_offset_overflow): New function.
7481 (assign_stack_local_1): Call it to detect that the offset overflows.
7482 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7484 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7486 * config/sh/sh.c: Include alloc-pool.h.
7487 (label_ref_list_pool): New alloc pool.
7488 (label_ref_list_t): New type for lists of labels.
7489 (struct pool_node): Make wend a label_ref_list_t.
7490 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7492 (dump_table): Likewise.
7493 (sh_reorg): Set up the alloc pool before using add_constant and
7494 dump_table, and destroy it when finishing.
7496 2006-03-11 Richard Sandiford <richard@codesourcery.com>
7498 * config/mips/mips.c: Remove redundant comment.
7500 2006-03-10 Jason Merrill <jason@redhat.com>
7503 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
7504 the target was declared 'register'.
7506 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
7508 * genpreds.c (write_insn_constraint_len): Change definition of
7509 insn_constraint_len to return size_t to match the declaration.
7511 2006-03-10 DJ Delorie <dj@redhat.com>
7513 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
7515 (m32c_expand_insv): Fix test for an AND mask.
7517 2006-03-10 Richard Guenther <rguenther@suse.de>
7520 * builtins.c (get_pointer_alignment): Handle component
7521 references for field alignment.
7523 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7525 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
7526 when building with libgloss.
7527 (sh*elf): Implement --without-fp option.
7528 (sh64-superh-linux*): Don't multilib.
7530 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
7532 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
7534 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
7536 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
7537 Set it when one of the replacement functions returned true.
7538 Return TODO_cleanup_cfg if cfgchanged is true.
7539 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
7541 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
7543 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
7544 instead of gen_lowpart.
7546 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7548 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
7550 (mips_output_order_conditional_branch): Declare.
7551 * config/mips/mips.h (MIPS_BRANCH): New macro.
7552 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
7553 for the comparison. Use gen_condjump.
7554 (mips_output_conditional_branch): Rework interface to take the
7555 asm templates for a direct branch and the inverse of a direct branch.
7556 (mips_output_order_conditional_branch): New function.
7557 (mips_builtin_branch_and_move): New function.
7558 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
7559 branch condition. Use gen_single_cc as the condition for
7560 __builtin_mips_upper_* or __builtin_mips_lower_*.
7561 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
7562 Use VOIDmode for the branch condition.
7563 * config/mips/predicates.md (order_operator): New predicate.
7564 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
7565 (branch_fp): Rename to...
7566 (*branch_fp): ...this. Remove mode from comparison operator.
7567 Use new mips_output_conditional_branch interface.
7568 (branch_fp_inverted): Rename to...
7569 (*branch_fp_inverted): ...this and update as for *branch_fp.
7570 (*branch_zero<mode>): Rename to...
7571 (*branch_order<mode>): ...this. Remove mode from comparison operator.
7572 Use mips_output_order_conditional_branch. Only accept ordered
7574 (*branch_zero<mode>_inverted): Rename to...
7575 (*branch_order<mode>_inverted): ...this and update as for
7576 *branch_order<mode>.
7577 (*branch_equality<mode>): Accept zero as the second operand to
7578 the equality operator. Use the new mips_output_conditional_branch
7580 (*branch_equality<mode>_inverted): Likewise.
7581 (condjump): New expander.
7582 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
7584 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
7585 (bc1any2t, bc1any2f): Likewise.
7586 (single_cc): New expander.
7587 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
7589 2006-03-09 Richard Sandiford <richard@codesourcery.com>
7591 * doc/md.texi: Update documentation of MIPS constraints.
7592 * config/mips/constraints.md: New file.
7593 * config/mips/mips.md: Include it.
7594 * config/mips/mips.c (mips_char_to_class): Delete.
7595 (override_options): Don't initialize mips_char_to_class.
7596 * config/mips/mips.h (mips_char_to_class): Delete.
7597 (REG_CLASS_FROM_LETTER): Delete.
7598 (CONST_OK_FOR_LETTER_P): Delete.
7599 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7600 (EXTRA_CONSTRAINT_Y): Delete.
7601 (EXTRA_CONSTRAINT_STR): Delete.
7602 (CONSTRAINT_LEN): Delete.
7603 (EXTRA_MEMORY_CONSTRAINT): Delete.
7605 2006-03-09 Diego Novillo <dnovillo@redhat.com>
7607 * tree-cfg.c (move_block_to_fn): Remove the statements from the
7608 original fn's eh regions.
7610 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
7612 * fold-const.c (build_range_check): Make sure to use a valid type to
7613 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
7616 (range_predecessor): New static function.
7617 (range_successor): Likewise.
7618 (merge_ranges): Use them to compute predecessors and successors of
7621 2006-03-09 Roger Sayle <roger@eyesopen.com>
7624 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
7625 X op C3, consider whether C3 overflows towards +Inf or -Inf.
7627 2006-03-08 DJ Delorie <dj@redhat.com>
7629 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
7630 (addpsi3): Expand to include memory operands. Remove
7631 reload-specific splits.
7632 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
7633 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
7634 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
7635 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
7636 (shift1_qi, shift1_hi, insv): New.
7637 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
7638 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
7639 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
7641 * config/m32c/m32c-protos.h: Update as needed.
7642 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
7643 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
7644 Fail for unrecognized R* constraints.
7645 (m32c_cannot_change_mode_class): Be more picky about pseudos.
7646 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
7647 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
7649 (m32c_init_libfuncs): New.
7650 (m32c_legitimate_address_p): Add debug wrapper.
7651 (m32c_rtx_costs): New.
7652 (m32c_address_cost): New.
7653 (conversions): Add 'B' prefix.
7654 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
7655 operands, or word regnames for QI operands. 'B' prints bit
7657 (m32c_expand_setmemhi): New.
7658 (m32c_expand_movmemhi): New.
7659 (m32c_expand_movstr): New.
7660 (m32c_expand_cmpstr): New.
7661 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
7662 (m32c_expand_neg_mulpsi3): Handle non-ints.
7663 (m32c_cmp_flg_0): New.
7664 (m32c_expand_movcc): New.
7665 (m32c_expand_insv): New.
7666 (m32c_scc_pattern): New.
7667 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
7668 a0/a1 out of SIregs.
7669 (STORE_FLAG_VALUE): New.
7670 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
7673 * config/m32c/mov.md: Make constraints more liberal.
7674 (zero_extendqihi2): Optimize r0/r1 case.
7675 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
7676 * config/m32c/predicates.md (m32c_any_operand): New.
7677 (m32c_nonimmediate_operand): New.
7678 (m32c_hl_operand): New.
7679 (m32c_r3_operand): New.
7682 (memsym_operand): New.
7683 (memimmed_operand): New.
7684 (a_qi_operand): New.
7685 (m32c_eqne_operator): New.
7686 (m32c_1bit8_operand): New.
7687 (m32c_1bit16_operand): New.
7688 (m32c_1mask8_operand): New.
7689 (m32c_1mask16_operand): New.
7690 * config/m32c/blkmov.md: New file.
7691 * config/m32c/t-m32c (MD_FILES): Add blkmov.
7693 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
7695 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
7696 unsigned to fix signed/unsigned comparison issue in
7697 DWARF2_FRAME_REG_OUT.
7698 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
7699 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
7701 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
7702 of ptr into the ENABLE_CHECKING section.
7704 2006-03-08 Jeff Law <law@redhat.com>
7706 * tree-vrp.c (infer_value_range): Only count pointer uses
7707 and dereferences if -fdelete-null-pointer-checks is enabled.
7709 * tree-vrp.c (find_assert_locations): Infer value ranges for
7710 single use pointers, but do not create ASSERT_EXPRs for them.
7711 When a non-null range is inferred for a pointer, backwards
7712 propagate that range to other equivalent pointers through the
7715 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
7718 * Makefile.in (dvi, html, install-info): Invoke the corresponding
7719 language hook targets.
7720 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7721 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
7722 if language hook targets were missing.
7724 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
7726 * tree-ssa-opfinalize.h: Removed.
7727 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
7729 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7730 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
7731 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
7732 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
7733 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7734 finalize_ssa_v_must_def_ops): New.
7736 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
7738 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
7741 2006-03-07 Geoffrey Keating <geoffk@apple.com>
7743 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
7745 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
7746 addresses with offsets; reorganize.
7748 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
7749 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
7750 (expand_builtin_init_dwarf_reg_sizes): Likewise.
7752 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
7755 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
7757 2006-03-08 Ben Elliston <bje@au.ibm.com>
7759 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
7761 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
7764 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
7767 2006-03-07 Richard Guenther <rguenther@suse.de>
7769 PR tree-optimization/26587
7770 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
7772 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7774 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
7776 2006-03-07 Richard Sandiford <richard@codesourcery.com>
7778 * hooks.c (hook_bool_mode_rtx_true): New function.
7779 * hooks.h (hook_bool_mode_rtx_true): Declare.
7780 * toplev.c (compile_file): Call output_shared_constant_pool.
7781 * varasm.c (shared_constant_pool): New variable.
7782 (assemble_start_function, assemble_end_function): Remove arguments
7783 from call to output_constant_pool.
7784 (create_constant_pool): New function, split out from...
7785 (init_varasm_status): ...here.
7786 (force_const_mem): Choose between the shared and per-function constant
7787 pools. Set current_function_uses_const_pool when reusing old entries
7788 as well as when creating new ones.
7789 (mark_constant): Ignore data argument.
7790 (mark_constants): Remove pool argument.
7791 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
7792 to decide whether the function uses a constant pool.
7793 (output_constant_pool_contents): New function, split out from...
7794 (output_constant_pool): ...here.
7795 (output_shared_constant_pool): New function.
7796 (init_varasm_once): Initialize shared_constant_pool.
7797 * output.h (output_constant_pool): Delete.
7798 (output_shared_constant_pool): Declare.
7799 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
7800 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
7802 2006-03-06 Nick Clifton <nickc@redhat.com>
7804 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
7805 flag_strength_reduce.
7807 2006-03-06 Ben Elliston <bje@au.ibm.com>
7809 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
7810 x86_64-*-linux* configurations.
7812 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
7813 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
7815 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7817 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
7819 * basic-block.h: Remove the extern for
7820 rediscover_loops_after_threading.
7822 * cfgloop.c (cancel_loop): Make it static.
7823 * cfgloop.h: Remove the prototype for cancel_loop.
7825 * flow.c (recompute_reg_usage): Make it static.
7826 * rtl.h: Remove the prototype for recompute_reg_usage.
7828 * function.c (use_return_register): Make it static.
7829 * function.h: Remove the prototype.
7831 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7833 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
7835 * recog.h: Remove the prototype for
7836 validate_change_maybe_volatile.
7838 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7840 * rtlanal.c (replace_reg): Remove.
7841 * rtl.h: Remove the prototype for replace_reg.
7843 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
7845 * regclass.c (reg_scan_update): Remove.
7846 (reg_scan_mark_refs): Remove the last argument.
7847 * rtl.h: Remove the prototype for reg_scan_update.
7849 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7851 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
7852 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
7853 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
7854 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7855 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
7856 loop-invariant.c, omp-low.c, opts.c, passes.c,
7857 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
7858 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
7859 tree-ssa-structalias.c, tree-ssa-threadedge.c,
7860 tree-ssa-threadupdate.c, tree-vect-patterns.c,
7861 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
7862 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
7864 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7866 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
7867 * dwarf2out.h: Remove the prototype for
7868 dwarf2out_add_library_unit_info.
7870 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7872 * tree.c (add_var_to_bind_expr): Remove.
7873 * tree.h: Remove the prototype for add_var_to_bind_expr.
7875 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7877 * regclass.c (n_non_fixed_regs): Remove.
7878 (init_reg_sets_1, globalize_reg): Remove all uses of
7880 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
7882 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7884 * rtlanal.c (insns_safe_to_move_p): Remove.
7885 * rtl.h: Remove the prototype for insns_safe_to_move_p.
7887 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
7889 * expmed.c (expand_mult_add): Remove.
7890 * expr.h: Remove the prototype for expand_mult_add.
7892 2006-03-04 Jakub Jelinek <jakub@redhat.com>
7894 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
7895 and REG_SAVED_VAL_EXP constants.
7896 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
7897 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7898 Handle regs stored by value.
7899 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
7900 (execute_cfa_program): Handle DW_CFA_val_offset,
7901 DW_CFA_val_offset_sf and DW_CFA_val_expression.
7902 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
7903 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
7904 (uw_install_context_1): Handle target regs stored by value.
7906 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
7908 * tree-sra.c (tree_sra): Return todoflags;
7909 (generate_one_element): Set TODO_update_smt_usage if needed.
7910 (pass_sra): Remove TODO_update_smt_usage.
7911 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
7913 (tree_ssa_forward_propagate_single_use_vars): Return
7914 TODO_update_smt_usage if we need to update SMT usage.
7915 (pass_forwprop): Remove TODO_update_smt_usage.
7917 2006-03-03 Diego Novillo <dnovillo@redhat.com>
7919 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
7920 (correct_use_link): Remove reference to get_stmt_operands.
7921 (update_stmt_operands): Likewise.
7922 (get_modify_expr_operands): New function factored out of
7923 parse_ssa_operands and get_expr_operands.
7924 Try to create V_MUST_DEFs for LHS by default.
7925 (get_expr_operands) <case MODIFY_EXPR>: Call
7926 get_modify_expr_operands.
7927 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
7928 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
7929 (parse_ssa_operands) <case MODIFY_EXPR>: Call
7930 get_modify_expr_operands.
7932 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
7934 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
7935 * tree-flow.h: Remove the prototype for
7936 referenced_var_lookup_if_exists.
7938 2006-03-03 Steve Ellcey <sje@cup.hp.com>
7940 PR rtl-optimization/26345
7942 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
7944 2006-03-03 Roger Sayle <roger@eyesopen.com>
7946 PR tree-optimization/26524
7947 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
7948 fold_convert to create a constant of the appropriate type.
7950 2006-03-03 Richard Sandiford <richard@codesourcery.com>
7952 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7953 SYMBOL_REF_IN_BLOCK_P.
7954 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
7955 of SYMBOL_FLAG_IN_BLOCK.
7956 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
7957 instead of SYMBOL_REF_IN_BLOCK_P.
7958 * explow.c (use_anchored_address): Likewise.
7959 * rtl.c (rtx_size): Likewise.
7960 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
7961 instead of SYMBOL_FLAG_IN_BLOCK.
7962 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7963 SYMBOL_REF_IN_BLOCK_P.
7964 (assemble_variable): Likewise.
7965 (output_constant_def_contents): Likewise.
7966 (output_constant_pool): Likewise.
7967 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
7968 instead of SYMBOL_FLAG_IN_BLOCK.
7969 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7970 SYMBOL_REF_IN_BLOCK_P.
7971 (SYMBOL_REF_BLOCK): Likewise.
7972 (SYMBOL_REF_OFFSET): Likewise.
7973 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
7974 SYMBOL_REF_IN_BLOCK_P.
7975 (SYMBOL_FLAG_IN_BLOCK): Replace with...
7976 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
7977 (SYMBOL_REF_IN_BLOCK_P): Replace with...
7978 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
7980 2006-03-03 Jakub Jelinek <jakub@redhat.com>
7982 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
7984 2006-03-02 Roger Sayle <roger@eyesopen.com>
7986 * simplify-rtx.c (simplify_unary_operation): When simplifying
7987 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
7988 that we perform the right shift in the appropriate mode, and
7989 then extend or truncate the result to requested mode.
7991 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
7993 * gengtype.c (main): Handle double_int type.
7994 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
7995 * double-int.c: New file.
7996 * double-int.h: New file.
7997 * system.h: Include doubleint.h.
7998 * Makefile.in (SYSTEM_H): Include double-int.h.
7999 (double-int.o): Add.
8001 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8004 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8007 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8009 * tree-vrp.c (remove_range_assertions): Do not update statements
8012 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8014 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8016 * gcse.c (rest_of_handle_gcse): Ditto.
8017 * except.c (gate_handle_eh): Ditto.
8018 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8019 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8021 2006-03-02 Eric Christopher <echristo@apple.com>
8023 * config/i386/i386.c (machopic_output_stub): Add indirection to
8026 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8030 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8032 Sun Niagara specific optimizations.
8033 * config.gcc: Recognize niagara as target.
8034 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8035 (TARGET_CPU_niagara): Define.
8036 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8037 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8038 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8039 (ASM_CPU_SPEC): Likewise.
8040 (PROCESSOR_NIAGARA): New enum entry.
8041 (REGISTER_MOVE_COST): Handle Niagara.
8042 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8043 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8044 (sparc_override_options): Recognize "niagara", set appropriate
8045 default MASK_* values for it, and align functions to 32-bytes
8046 by default just like ULTRASPARC/ULTRASPARC3.
8047 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8048 (sparc64_initialize_trampoline): Likewise.
8049 (sparc_use_sched_lookahead): Use zero for niagara.
8050 (sparc_issue_rate): Use one for niagara.
8051 * config/sparc/niagara.md: New file.
8052 * config/sparc/sparc.md: Include it.
8053 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8054 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8055 when default cpu is niagara.
8056 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8057 (ASM_CPU_SPEC): Likewise.
8058 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8059 when default cpu is niagara.
8060 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8061 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8062 just like v9/ultrasparc/ultrasparc3.
8063 * doc/invoke.texi: Add documentation for "niagara" and improve
8064 existing documentation for ultrasparc variants.
8066 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8068 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8070 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8072 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8073 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8074 and say that only one is needed.
8075 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8076 * target.h (have_switchable_bss_sections): New hook.
8077 * explow.c (use_anchored_address): Check that the symbol is in a block.
8078 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8079 (bss_noswitch_section): New variables.
8080 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8081 (get_noswitch_section): New function.
8082 (get_block_for_section): Allow SECT to be null.
8083 (unlikely_text_section_p): Use SECTION_STYLE.
8084 (bss_initializer_p): New function.
8085 (get_variable_section): Move earlier in file. Take a new argument,
8086 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8087 Return one of the new *_sections in such cases.
8088 (get_block_for_decl): New function, extracting some logic from
8089 use_blocks_for_decl_p.
8090 (change_symbol_section): Remove in favor of...
8091 (change_symbol_block): ...this new function.
8092 (use_blocks_for_decl_p): Remove checks now performed by
8094 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8095 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8096 (emit_local, emit_bss, emit_common): ...these new functions.
8097 Return true if the alignment was honored.
8098 (emit_tls_common): New function.
8099 (asm_emit_uninitialised): Delete.
8100 (assemble_variable_noswitch): New function, split out from...
8101 (assemble_variable): ...here. Don't make decisions about common
8102 variables here. Globalize all public decls that go into non-common
8103 sections. Check whether SYMBOL_REF_BLOCK is null.
8104 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8105 (output_constant_pool): Likewise.
8106 (init_varasm_once): Initialize the new section variables.
8107 (have_global_bss_p): New function.
8108 (categorize_decl_for_section): Use bss_initializer_p.
8109 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8110 (place_block_symbol): Assert that the symbol must be in a block.
8111 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8112 (TARGET_INITIALIZER): Include it.
8113 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8114 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8115 (SECTION_MACH_DEP): Bump by two.
8116 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8117 (unnamed_section): Mention SECTION_UNNAMED in comment.
8118 (named_section): Likewise SECTION_NAMED.
8119 (noswitch_section_callback): New type.
8120 (noswitch_section): New structure.
8121 (section): Add a noswitch_section alternative.
8122 (SECTION_STYLE): New macro.
8123 (tls_comm_section, comm_section, lcomm_section): Declare.
8124 (bss_noswitch_section, have_global_bss_p): Declare.
8125 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8126 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8128 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8129 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8132 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8134 * tree-vrp.c (execute_vrp): Return value.
8135 * regrename.c (rest_of_handle_regrename): Ditto.
8136 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8137 * tree-complex.c (tree_lower_complex): Ditto.
8138 (tree_lower_complex_O0): Ditto.
8139 * tracer.c (rest_of_handle_tracer): Ditto.
8140 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8141 * postreload.c (rest_of_handle_postreload): Ditto.
8142 * tree-tailcall.c (execute_tail_recursion): Ditto.
8143 (execute_tail_calls): Ditto.
8144 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8145 * tree.h (init_function_for_compilation): Ditto.
8146 * ipa-cp.c (ipcp_driver): Ditto.
8147 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8148 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8149 * final.c (compute_alignments): Ditto.
8150 (rest_of_handle_final): Ditto.
8151 (rest_of_handle_shorten_branches): Ditto.
8152 (rest_of_clean_state): Ditto.
8153 * omp-low.c (execute_expand_omp): Ditto.
8154 (execute_lower_omp): Ditto.
8155 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8156 * ipa-reference.c (static_execute): Ditto.
8157 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8158 * reorg.c (rest_of_handle_delay_slots): Ditto.
8159 (rest_of_handle_machine_reorg): Ditto.
8160 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8161 * flow.c (recompute_reg_usage): Ditto.
8162 (rest_of_handle_remove_death_notes): Ditto.
8163 (rest_of_handle_life): Ditto.
8164 (rest_of_handle_flow2): Ditto.
8165 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8166 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8167 (do_ssa_store_ccp): Ditto.
8168 (execute_fold_all_builtins): Ditto.
8169 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8170 * modulo-sched.c (rest_of_handle_sms): Ditto.
8171 * ipa-pure-const.c (static_execute): Ditto.
8172 * cse.c (rest_of_handle_cse): Ditto.
8173 (rest_of_handle_cse2): Ditto.
8174 * web.c (rest_of_handle_web): Ditto.
8175 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8176 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8177 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8178 * tree-nrv.c (tree_nrv): Ditto.
8179 (execute_return_slot_opt): Ditto.
8180 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8181 (create_structure_vars): Ditto.
8182 * loop-init.c (rtl_loop_init): Ditto.
8183 (rtl_loop_done): Ditto.
8184 (rtl_move_loop_invariants): Ditto.
8185 (rtl_unswitch): Ditto.
8186 (rtl_unroll_and_peel_loops): Ditto.
8187 (rtl_doloop): Ditto.
8188 * gimple-low.c (lower_function_body): Ditto.
8189 (mark_used_blocks): Ditto.
8190 * tree-ssa-sink.c (execute_sink_code): Ditto.
8191 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8192 (cgraph_early_inlining): Ditto.
8193 * global.c (rest_of_handle_global_alloc): Ditto.
8194 * jump.c (cleanup_barriers): Ditto.
8195 (purge_line_number_notes): Ditto.
8196 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8197 (rest_of_handle_if_after_reload): Ditto.
8198 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8199 (tree_ssa_loop_im): Ditto.
8200 (tree_ssa_loop_unswitch): Ditto.
8201 (tree_vectorize): Ditto.
8202 (tree_linear_transform): Ditto.
8203 (tree_ssa_loop_ivcanon): Ditto.
8204 (tree_ssa_empty_loop): Ditto.
8205 (tree_ssa_loop_bounds): Ditto.
8206 (tree_complete_unroll): Ditto.
8207 (tree_ssa_loop_prefetch): Ditto.
8208 (tree_ssa_loop_ivopts): Ditto.
8209 (tree_ssa_loop_done): Ditto.
8210 * predict.c (tree_estimate_probability): Ditto.
8211 * recog.c (split_all_insns_noflow): Ditto.
8212 (rest_of_handle_peephole2): Ditto.
8213 (rest_of_handle_split_all_insns): Ditto.
8214 * tree-eh.c (lower_eh_constructs): Ditto.
8215 * regmove.c (rest_of_handle_regmove): Ditto.
8216 (rest_of_handle_stack_adjustments): Ditto.
8217 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8218 * function.c (instantiate_virtual_regs): Ditto.
8219 (init_function_for_compilation): Ditto.
8220 (rest_of_handle_check_leaf_regs): Ditto.
8221 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8222 (rest_of_handle_gcse): Ditto.
8223 * ipa-type-escape.c (type_escape_execute): Ditto.
8224 * alias.c (rest_of_handle_cfg): Ditto.
8225 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8226 * profile.c (rest_of_handle_branch_prob): Ditto.
8227 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8228 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8229 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8230 * tree-dfa.c (find_referenced_vars): Ditto.
8231 * except.c (set_nothrow_function_flags): Ditto.
8232 (convert_to_eh_region_ranges): Ditto.
8233 (rest_of_handle_eh): Ditto.
8234 * emit-rtl.c (unshare_all_rtl): Ditto.
8235 (remove_unnecessary_notes): Ditto.
8236 * except.h (set_nothrow_function_flags): Ditto.
8237 (convert_to_eh_region_ranges): Ditto.
8238 * cfgexpand.c (tree_expand_cfg): Ditto.
8239 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8240 * tree-ssa-pre.c (do_pre): Ditto.
8241 (execute_fre): Ditto.
8242 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8243 (rest_of_handle_jump2): Ditto.
8244 * tree-sra.c (tree_sra): Ditto.
8245 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8246 (execute_mudflap_function_decls): Ditto.
8247 * tree-ssa-copy.c (do_copy_prop): Ditto.
8248 (do_store_copy_prop): Ditto.
8249 * ipa-prop.h (ipcp_driver): Ditto.
8250 * cfglayout.c (insn_locators_initialize): Ditto.
8251 * tree-ssa-forwprop.c
8252 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8253 * cfglayout.h (insn_locators_initialize): Ditto.
8254 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8255 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8256 (execute_late_warn_uninitialized): Ditto.
8257 * rtl.h (cleanup_barriers): Ditto.
8258 (split_all_insns_noflow): Ditto.
8259 (purge_line_number_notes): Ditto.
8260 (unshare_all_rtl): Ditto.
8261 (remove_unnecessary_notes): Ditto.
8262 (recompute_reg_usage): Ditto.
8263 (variable_tracking_main): Ditto.
8264 * integrate.c (emit_initial_value_sets): Ditto.
8265 * integrate.h (emit_initial_value_sets): Ditto.
8266 * tree-optimize.c (execute_free_datastructures): Ditto
8267 (execute_free_cfg_annotations): Ditto.
8268 (execute_fixup_cfg): Ditto.
8269 (execute_cleanup_cfg_pre_ipa): Ditto.
8270 (execute_cleanup_cfg_post_optimizing): Ditto.
8271 (execute_init_datastructures): Ditto.
8272 * tree-object-size.c (compute_object_sizes): Ditto.
8273 * combine.c (rest_of_handle_combine): Ditto.
8274 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8275 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8276 (rest_of_handle_reorder_blocks): Ditto.
8277 (rest_of_handle_partition_blocks): Ditto.
8278 * var-tracking.c (variable_tracking_main): Ditto.
8279 * tree-profile.c (tree_profiling): Ditto.
8280 * tree-vect-generic.c (expand_vector_operations): Ditto.
8281 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8282 * sched-rgn.c (rest_of_handle_sched): Ditto.
8283 (rest_of_handle_sched2): Ditto.
8284 * basic-block.h (free_bb_insn): Ditto.
8285 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8286 * tree-cfg.c (execute_build_cfg): Ditto.
8287 (remove_useless_stmts): Ditto.
8288 (split_critical_edges): Ditto.
8289 (execute_warn_function_return): Ditto.
8290 (execute_warn_function_noreturn): Ditto.
8291 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8292 * cfgrtl.c (free_bb_for_insn): Ditto.
8293 * passes.c (execute_one_pass): Run additional
8294 todos returned by execute function.
8295 * tree-pass.h (struct tree_opt_pass): Make execute
8298 2006-03-02 Richard Guenther <rguenther@suse.de>
8300 * tree-ssa-alias.c (find_used_portions): Consider taking
8301 the address as making the variable not write-only.
8303 2006-03-02 Nick Clifton <nickc@redhat.com>
8305 * config.gcc (default_use_cxa_atexit): Extend the description of
8306 this configure variable. Set its default value to "yes" for
8307 Linux, NetBSD and ELF targets on the assumption that they will
8308 use C libraries with the __cxa_atexit function.
8310 2006-03-02 Ben Elliston <bje@au.ibm.com>
8312 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8313 parameter as unused to suppress a build warning.
8315 2006-03-02 Ben Elliston <bje@au.ibm.com>
8317 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8320 2006-03-01 Roger Sayle <roger@eyesopen.com>
8323 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8324 declared name, the weak reference name, and the typeof name.
8325 (__gthrw): Avoid expanding the declared name suffix.
8326 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8328 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8330 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8332 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8333 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8334 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8335 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8336 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8337 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8338 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8339 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8340 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8341 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8342 (DW_END_default, DW_END_big, DW_END_little): New.
8343 (DW_END_lo_user, DW_END_hi_user): Define.
8344 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8345 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8346 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8349 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8351 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8353 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8355 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8357 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8359 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8360 to 'symbol_mem_tag'.
8362 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8365 2006-03-01 Roger Sayle <roger@eyesopen.com>
8367 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8369 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8372 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8373 MACHO_DYNAMIC_NO_PIC_P.
8374 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8376 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8379 * config/darwin-protos.h (darwin_asm_output_anchor):
8381 * config/darwin-sections.def (cstring_section):
8382 Add SECTION_MERGE to the flags.
8383 (literal4_section): Likewise.
8384 (literal8_section): Likewise.
8385 (objc_selector_refs_section): Likewise.
8386 (objc_cls_refs_section): Likewise.
8387 * config/darwin.c (darwin_asm_output_anchor): New
8389 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8391 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8393 Fix PR tree-optimization/26443
8394 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8395 to todo and PROP_tmt_usage to properties_destroyed.
8396 * tree-ssa-ccp.c (pass_ccp): Ditto.
8397 (pass_store_ccp): Ditto.
8398 * tree-ssa-dom.c (pass_dominator): Ditto.
8400 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8402 * tree-ssa-operands.c: Cleanup whitespace.
8403 (get_asm_expr_operands): Move before first invocation.
8404 (get_indirect_ref_operands): Likewise.
8405 (get_tmr_operands): Likewise.
8406 (get_call_expr_operands): Likewise.
8407 (append_def): Likewise.
8408 (append_use): Likewise.
8409 (append_v_may_def): Likewise.
8410 (append_v_must_def): Likewise.
8411 (add_call_clobber_ops): Likewise.
8412 (add_call_read_ops): Likewise.
8413 (add_stmt_operand): Likewise.
8414 (add_virtual_operand): Likewise.
8415 (build_ssa_operands): Likewise.
8417 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8422 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8423 with a call expr to ...
8424 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8426 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8428 * tree-vrp.c (extract_range_from_assert): Remove special
8429 handling for types with super-types.
8431 2006-03-01 Ben Elliston <bje@au.ibm.com>
8433 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8434 and powerpc64-*-linux* configurations.
8435 * config/t-dfprules: New file.
8437 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8438 Compile dfp-bit.c from the source directory using -DWIDTH and
8439 $DFP_CFLAGS to control the compilation of that file, rather than
8440 generating width-specific versions in the build directory.
8441 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8442 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8444 2006-02-28 Zack Weinberg <zackw@panix.com>
8446 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8449 2006-02-28 Eric Christopher <echristo@apple.com>
8451 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8452 Set up IN_LIBGCC definition of TARGET_64BIT.
8453 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8455 2006-02-28 Roger Sayle <roger@eyesopen.com>
8458 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8459 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8460 cases via the construction of "expr != 0".
8462 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8464 * alias.c (alias_invariant, alias_invariant_size): Remove.
8465 (record_base_value): Remove.
8466 (memrefs_conflict_p): Don't look at alias_invariant.
8467 (end_alias_analysis): Don't free it.
8468 * alias.h (record_base_value): Remove prototype.
8470 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8471 Adam Nemet <anemet@caviumnetworks.com>
8473 * rtl.h (truncated_to_mode): Declare it.
8474 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8475 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8476 (RTL_HOOKS_INITIALIZER): Include it.
8477 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8478 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8479 reg_truncated_to_mode.
8480 * rtlanal.c (truncated_to_mode): Define it.
8481 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8483 2006-02-28 Jeff Law <law@redhat.com>
8485 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8486 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8487 the range allowed by TYPE_PRECISION.
8489 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8491 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8493 PR tree-optimization/26419
8494 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
8497 2006-02-27 Zack Weinberg <zackw@panix.com>
8499 * doc/md.texi: Fix typo in previous change.
8501 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
8505 2006-02-27 Zack Weinberg <zackw@panix.com>
8507 * rtl.def (define_constraint, define_register_constraint)
8508 (define_memory_constraint, define_address_constraint): New MD forms.
8509 * gensupport.c (process_rtx): Put define_constraint etc on the
8511 * genpreds.c (process_define_predicate): Adjust comment. Validate
8512 the name, and call validate_exp to validate the expression.
8513 (mark_mode_tests, write_extract_subexp): Can assume correct input.
8514 (write_predicate_expr): Likewise. NAME argument no longer necessary;
8515 all callers changed.
8516 (validate_exp, needs_variable, struct constraint_data)
8517 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
8518 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
8519 (const_dbl_constraints, constraint_max_namelen)
8520 (have_register_constraints, have_memory_constraints)
8521 (have_address_constraints, have_address_constraints)
8522 (have_extra_constraints, have_const_int_constraints)
8523 (have_const_dbl_constraints, mangle, add_constraint)
8524 (process_define_constraint, process_define_register_constraint)
8525 (write_enum_constraint_num, write_lookup_constraint)
8526 (write_insn_constraint_len, write_regclass_for_constraint)
8527 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
8528 (write_insn_extra_memory_constraint)
8529 (write_insn_extra_address_constraint)
8530 (write_satisfies_constraint_fns): New.
8531 (write_tm_preds_h): If we have new-style constraint definitions,
8532 prototype the functions generated from them, and define the
8533 old constraint interface (still used by generic code) in terms of
8535 (write_insn_preds_c): If we have new-style constraint definitions,
8536 generate all relevant functions from those definitions.
8537 (main): Handle define_constraint etc.
8538 * genoutput.c (struct constraint_data, indep_constraints)
8539 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
8540 (mdep_constraint_len): New data structures and functions, defined
8541 #ifdef USE_MD_CONSTRAINTS.
8542 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
8543 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
8544 use new logic to validate operand constraints against constraint
8546 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
8548 * defaults.h: If none of the old-style constraint macros are
8549 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
8550 old-style macros; and poison REG_CLASS_FROM_LETTER,
8551 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
8553 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
8554 * doc/md.texi: Document new constraint-definition mechanism and the
8555 C interface it provides. Remove references to old mechanism
8556 elsewhere in the document.
8557 (Machine Constraints): Use pathnames relative to gcc directory,
8558 i.e. config/ARCH/FILE. Change i386 section to refer to
8559 config/i386/predicates.md; update that section to match docstrings.
8560 * doc/tm.texi: Move all documentation of the old constraint-
8561 definition macros to their own section, clearly mark as obsolete.
8563 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
8564 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
8566 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
8567 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
8568 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
8570 (splits and peepholes): Use satisfies_constraint_*.
8571 * config/i386/i386.c (memory_address_length)
8572 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
8574 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8576 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
8577 scalar operation to be put back into the loop.
8579 2006-02-27 Jakub Jelinek <jakub@redhat.com>
8582 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
8583 (extract_cie_info): Handle S flag in augmentation string.
8584 (execute_cfa_program): If context->signal_frame, execute also
8585 fs->pc == context->ra instructions.
8586 (uw_frame_state_for): If context->signal_frame, don't subtract one
8587 from context->ra to find FDE.
8588 (uw_update_context_1): Set context->signal_frame to
8590 (_Unwind_GetIPInfo): New function.
8591 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
8592 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
8594 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
8595 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
8596 * unwind-compat.c (_Unwind_GetIPInfo): New function.
8597 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
8598 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
8599 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
8600 * config/i386/linux-unwind.h (x86_fallback_frame_state,
8601 x86_64_fallback_frame_state): Set fs->signal_frame.
8602 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
8603 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
8604 (frob_update_context): Likewise. Workaround missing S flag in
8605 Linux 2.6.12 - 2.6.16 kernel vDSOs.
8606 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
8607 Remove the psw_addr + 1 hack.
8609 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
8611 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
8612 with aggregates here.
8613 (find_func_aliases): Remove code for &<aggregate> from here.
8615 2006-02-26 Roger Sayle <roger@eyesopen.com>
8617 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
8618 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
8619 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
8622 2006-02-26 Roger Sayle <roger@eyesopen.com>
8625 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
8627 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
8629 * opts.c (decode_options): Do not handle flag_strength_reduce.
8630 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
8631 and OPT_fstrength_reduce.
8632 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
8633 flag_prefetch_loop_arrays for being nonzero.
8634 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
8636 (fprefetch-loop-arrays-rtl): Removed.
8637 (flag_prefetch_loop_arrays): Do not specify the value.
8639 * doc/passes.texi: Update documentation of loop optimizer
8641 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
8642 -frerun-loop-opt): Remove.
8644 2006-02-26 Richard Guenther <rguenther@suse.de>
8646 PR tree-optimization/26421
8647 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
8648 in function calls that are ADDR_EXPRs as using the whole structure.
8650 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
8652 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
8653 * tree-pass.h (pass_loop_optimize): Remove.
8654 * passes.c (pass_loop_optimize): Never run it.
8655 * toplev.c (backend_init): Don't call init_loop.
8656 * opts.c (flag_loop_optimize_set): Remove.
8657 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
8658 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
8659 the old RTL loop optimizer when profiling enabled.
8660 * predict.c (tree_estimate_probability): Always strip builtin_expect.
8661 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
8662 pre-headers for the sake of the old RTL loop optimizer.
8663 * Makefile.in: Remove all references to loop.o.
8665 * doc/invoke.texi: Remove all references to -floop-optimize
8666 and -frerun-loop-opt.
8668 2006-02-26 Zack Weinberg <zackw@panix.com>
8670 * doc/md.texi (Machine Constraints): Refer to all files with paths
8671 relative to gcc directory (i.e. config/CPU/file). Add missing
8672 @table @code ... @end table to M32C subsection.
8674 2006-02-26 Roger Sayle <roger@eyesopen.com>
8676 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
8678 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
8680 2006-02-26 Roger Sayle <roger@eyesopen.com>
8681 James A. Morrison <phython@gcc.gnu.org>
8684 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
8685 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
8686 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
8687 signedness of the shift operation.
8689 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
8691 PR tree-optimization/26359
8692 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
8694 2006-02-25 Roger Sayle <roger@eyesopen.com>
8696 * simplify-rtx.c (simplify_relational_operation_1): Simplify
8697 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
8698 as X == 0, and some symmetry related transformations.
8699 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
8701 2006-02-25 Roger Sayle <roger@eyesopen.com>
8704 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
8705 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
8706 symmetry related transformations. Fold (X^C1) == C2 as
8709 2006-02-25 Juergen Weigert <jw@suse.de>
8710 Richard Guenther <rguenther@suse.de>
8712 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
8714 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
8716 * combine.c (gen_lowpart_or_truncate): Call
8717 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
8719 2006-02-24 Diego Novillo <dnovillo@redhat.com>
8721 * doc/invoke.texi: Move -fopenmp description to "Options for
8723 Remove reference to -lgomp.
8725 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8727 * doc/install.texi: Require GNU tar version 1.14.
8729 2006-02-24 Geoffrey Keating <geoffk@apple.com>
8731 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
8732 * doc/invoke.texi (C++ Dialect Options): Document
8733 -fno-use-cxa-get-exception-ptr.
8734 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
8735 * configure: Regenerate.
8736 * c.opt (fuse-cxa-get-exception-ptr): New.
8737 * c-opts.c (c_common_handle_option): Handle
8738 OPT_fuse_cxa_get_exception_ptr.
8739 * c-common.c (flag_use_cxa_atexit): Update documentation.
8740 (flag_use_cxa_get_exception_ptr): New.
8741 * c-common.h (flag_use_cxa_get_exception_ptr): New.
8742 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
8744 (C_COMMON_OVERRIDE_OPTIONS): New.
8746 2006-02-24 Roger Sayle <roger@eyesopen.com>
8749 * combine.c (try_combine): Explicitly check whether GET_CODE is
8750 a SET or a CLOBBER, instead on checking that it isn't a USE.
8752 2006-02-24 Roger Sayle <roger@eyesopen.com>
8754 * fold-const.c (fold_comparison): New subroutine of fold_binary
8755 containing transformations common to both the equality and
8756 ordering relational operators, factored out of fold_binary.
8757 (fold_binary): Separate out the equality operators (EQ_EXPR
8758 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
8759 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
8760 transformations common to both.
8761 (fold_div_compare): Fix latent bugs in the previously unreachable
8762 LT_EXPR and GE_EXPR cases.
8764 2006-02-24 David Edelsohn <edelsohn@gnu.org>
8766 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
8767 decl libname for clog to __clog on AIX.
8769 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
8771 2006-02-24 Alan Modra <amodra@bigpond.net.au>
8774 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
8775 output traceback table for thunks. Localise rs6000_stack_info call.
8777 2006-02-23 Roger Sayle <roger@eyesopen.com>
8778 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8780 * gthr-posix.h (__gthrw): Fix typo in comment.
8782 2006-02-23 Geoffrey Keating <geoffk@apple.com>
8784 * doc/cpp.texi (Character sets): Document that we do support
8785 input files to be in any character set.
8787 2006-02-23 Jeff Law <law@redhat.com>
8789 * tree.h (PHI_ARG_NONZERO): Remove.
8790 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
8791 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
8792 node to the new node.
8794 PR tree-optimization/26425
8795 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
8796 min/max, then assume its varying.
8798 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8800 PR rtl-optimization/26316
8801 * rtlanal.c (enum may_trap_p_flags): New.
8802 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
8803 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
8804 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
8805 (may_trap_after_code_motion_p): New function.
8806 * loop-invariant.c (find_identical_invariants): Fix dump formating.
8807 (find_invariant_insn): Use may_trap_after_code_motion_p.
8808 * rtl.h (may_trap_after_code_motion_p): Declare.
8810 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
8812 * emit-rtl.c (immed_double_const): Cleanup.
8814 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
8816 Fix PR tree-optimization/26376
8817 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
8820 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8823 * gimplify.c (omp_add_variable): Guard variable size decl test with
8824 DECL_SIZE (decl) check.
8826 2006-02-23 Richard Guenther <rguenther@suse.de>
8829 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
8830 like aggregate types.
8832 2006-02-23 Jakub Jelinek <jakub@redhat.com>
8834 * configure.ac: Add --with{,out}-long-double-128 configure option.
8835 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
8836 * configure: Rebuilt.
8837 * config.in: Rebuilt.
8838 * doc/install.texi (Options specification): Document
8839 --with-long-double-128.
8841 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8842 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8843 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
8844 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
8846 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
8848 * config/s390/s390.c (override_options): Handle
8849 TARGET_DEFAULT_LONG_DOUBLE_128.
8851 * config/alpha/alpha.c (override_options): Handle
8852 TARGET_DEFAULT_LONG_DOUBLE_128.
8854 * config/sparc/sparc.c (sparc_override_options): Handle
8855 TARGET_DEFAULT_LONG_DOUBLE_128.
8857 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
8859 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
8860 (real-install-headers-tar, real-install-headers-cpio)
8861 (real-install-headers-cp): New targets.
8863 2006-02-22 Richard Sandiford <richard@codesourcery.com>
8865 * tree.h (variable_section): Delete.
8866 * varasm.c (variable_section): Delete.
8868 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
8870 * install.texi: Add notes on install.texi2html.
8871 (Building in parallel): Do not use footnotes.
8873 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
8876 * doc/install.texi (Configuration): Document --disable-libgomp.
8878 2006-02-21 Geoffrey Keating <geoffk@apple.com>
8880 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
8882 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8884 * config/i386/sse.md (vec_extractv2df_1_sse): New.
8885 (vec_extractv2df_0_sse): New.
8887 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
8889 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
8890 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
8891 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
8892 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
8893 to the result of the expression.
8894 (def_cfa_1): Adjust.
8895 (frame_pointer_cfa_offset): Rename to...
8896 (frame_pointer_fb_offset): ... this. Adjust all uses.
8897 (convert_cfa_to_loc_list): Rename to...
8898 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
8899 Pass it on to build_cfa_loc.
8900 (compute_frame_pointer_to_cfa_displacement): Rename to...
8901 (compute_frame_pointer_to_fb_displacement): ... this. New
8902 offset parameter. Use it in computation.
8903 (gen_subprogram_die): Compute cfa_fb_offset with the new
8904 macro, and use it to compute the fb loc list and the
8907 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
8909 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
8910 replaced with register_operand.
8911 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
8912 non-DREG is expensive.
8913 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
8914 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
8917 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
8919 * doc/install.texi2html: Use set -e.
8921 2006-02-21 Richard Sandiford <richard@codesourcery.com>
8923 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8924 (ASM_OUTPUT_SHARED_LOCAL): Delete.
8925 * doc/invoke.texi (-fshared-data): Delete.
8926 * common.opt (fshared-data): Delete.
8927 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8928 (assemble_static_space): Remove #if 0 code.
8929 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
8930 (ASM_OUTPUT_SHARED_LOCAL): Poison.
8931 * config/cris/cris.h: Remove FIXME.
8933 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
8935 * doc/sourcebuild.texi (Front End Directory): No more double-colon
8938 2006-02-21 Jakub Jelinek <jakub@redhat.com>
8941 * combine.c (simplify_shift_const_1): Disable nested shifts
8942 optimization for vector shifts.
8944 2006-02-20 Roger Sayle <roger@eyesopen.com>
8946 PR tree-optimization/26361
8947 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
8948 of unsigned integer types.
8950 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
8952 * tree-chrec.c (eq_evolutions_p): New.
8953 * tree-chrec.h (eq_evolutions_p): Declared.
8954 * tree-data-ref.c: Fix formatting.
8955 (datadep_stats, dependence_stats): New.
8957 (print_direction_vector): New.
8958 (dump_data_dependence_relation): Use print_direction_vector.
8959 (object_analysis, create_data_ref): Handle COMPONENT_REF.
8960 (compute_subscript_distance): Static.
8961 (initialize_data_dependence_relation): Static. Get the number
8962 of loops surrounding the references from the callers, and initialize
8963 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
8964 base_object_differ_p analyzers.
8965 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
8966 compute_overlap_steps_for_affine_1_2,
8967 analyze_subscript_affine_affine): Count the classified dependences.
8968 Print a message when a test failed.
8969 (can_use_analyze_subscript_affine_affine): New.
8970 (analyze_siv_subscript): Compute the data dependences on symbolic
8971 scevs that verify can_use_analyze_subscript_affine_affine.
8972 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
8973 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
8974 Handle symbolic scevs.
8975 (analyze_overlapping_iterations): Let symbolic affine scevs to be
8977 (subscript_dependence_tester): Moved...
8978 (build_classic_dist_vector, build_classic_dir_vector): Don't use
8979 lambda_vector_clear on newly allocated vectors. Get nb_loops from
8980 DDR_SIZE_VECT instead of getting it in parameter.
8981 (subscript_dependence_tester): ... here. Take as a parameter
8982 loop_nest_depth. Call build_classic_dist_vector and
8983 build_classic_dir_vector.
8984 (compute_affine_dependence): Update subscript_dependence_tester
8985 parameters. Update datadep_stats counters. Call
8986 compute_subscript_distance.
8987 (compute_self_dependence): Save the dist and dir vectors. Call
8988 compute_subscript_distance.
8989 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
8990 (compute_all_dependences): Reorder parameters as they were before
8991 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
8992 compute_subscript_distance. Update the use of
8993 compute_affine_dependence and initialize_data_dependence_relation.
8994 (find_data_references_in_loop): Handle COMPONENT_REF.
8995 (compute_data_dependences_for_loop): Initialize dependence_stats.
8996 Don't call build_classic_dist_vector and build_classic_dir_vector.
8997 Update the parameters of initialize_data_dependence_relation and
8998 compute_all_dependences. Print the statistics from datadep_stats.
8999 (analyze_all_data_dependences): Static. Not used until the pass for
9000 checking the data dependences is contributed.
9001 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9002 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9003 (initialize_data_dependence_relation, compute_affine_dependence,
9004 analyze_all_data_dependences, compute_subscript_distance): Removed.
9005 (print_direction_vector): New.
9006 * lambda.h (gcd): ... here.
9007 (lambda_vector_gcd): Moved here from gcd_vector.
9008 * lambda-code.c (gcd, gcd_vector): Removed.
9009 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9010 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9012 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9014 * ipa-type-escape.c: Tidy some comments and white space.
9015 * tree-ssa-operands.c: Likewise.
9017 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9020 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9021 (dump_decl_name): Do not walk the decl tree chains.
9022 * tree-pass.h (TDF_CHAIN): Remove.
9024 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9026 * Makefile.in (C): Remove
9028 (.PHONY): Remove C and PROTO
9030 2006-02-20 Roger Sayle <roger@eyesopen.com>
9033 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9034 deprecated CHAR_TYPE tree code.
9036 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9038 * configure.ac (target_list): Add install-info, dvi, html.
9039 * configure: Regenerate.
9041 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9042 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9043 treelang/Make-lang.in: Do not use double-colon rules.
9045 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9047 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9048 (TMT_USED_ALONE): New macro.
9049 * tree-pass.h (PROP_tmt_usage): New property.
9050 (TODO_update_tmt_usage): New todo.
9051 * tree-ssa-alias.c (updating_used_alone): New variable.
9052 (recalculate_used_alone): New function.
9053 (compute_may_aliases): Set updating_used_alone, call
9054 recalculate_used_alone.
9055 * tree-sra.c (pass_sra): Note that this pass destroys
9056 PROP_tmt_usage, and add TODO_update_tmt_usage.
9057 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9058 * tree-flow.h (updating_used_alone): Prototype.
9059 (recalculate_used_alone): Ditto.
9060 * passes.c (execute_todo): Add code to set updating_used_alone,
9061 and call recalculate.
9062 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9063 for clobber if used alone, and add assert to verify used_alone
9066 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9068 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9069 for non tls symbols added.
9070 (legitimize_address): Do nothing for PLUS expressions if one of the
9071 addends is a tls symbol reference.
9073 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9077 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9079 * Makefile.in (BOOTSTRAPPING): New.
9080 (quickstrap): New definition if BOOTSTRAPPING=yes.
9082 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9083 * configure.ac: Substitute all_selected_languages with the languages
9084 that were configured. For all the other variables except
9085 lang_specs_files, include all the languages in the tree.
9086 * configure: Regenerate.
9088 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9089 if there is one. Run the commands to run fixincludes in the same
9092 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9093 * doc/install.texi: Document exact conventions for searching target tools.
9094 Document --with-build-time-tools. Document toplevel bootstrap. Document
9095 something more about building an Ada cross-compiler. Don't list GNU Make
9096 requirements which affect all platforms.
9098 2006-02-19 Roger Sayle <roger@eyesopen.com>
9101 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9102 only equivalent if the have both the same mode and precision.
9104 2006-02-20 Ben Elliston <bje@au.ibm.com>
9106 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9108 2006-02-19 Roger Sayle <roger@eyesopen.com>
9109 Steven Bosscher <stevenb.gcc@gmail.com>
9111 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9112 constant pool references to identify stack mode constants.
9113 * rtlanal.c (constant_pool_constant_p): New predicate to check
9114 whether operand is a floating point constant in the pool.
9115 * rtl.h (constant_pool_constant_p): Prototype here.
9116 * loop.c (scan_loop): Avoid hoisting constants from the constant
9117 pool on STACK_REGS targets.
9118 (load_mems): Likewise.
9119 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9120 loads into x87 registers expensive in terms of register pressure.
9122 2006-02-19 Roger Sayle <roger@eyesopen.com>
9124 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9125 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9127 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9129 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9130 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9132 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9134 * doc/invoke.texi: Document -fipa-pta.
9135 * common.opt: Add ipa-pta option.
9136 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9137 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9138 (do_ds_constraint): Ditto.
9139 (get_constraint_for): Only add to referenced_vars if
9140 referenced_vars exists.
9141 (insert_into_field_list): Rewrite to do this unsorted.
9142 (insert_into_field_list_sorted): Rename old insert_into_field_list
9144 (create_function_info_for): Use insert_into_field_list_sorted.
9145 (create_variable_info_for): Rewrite so it uses unsorted version,
9146 since the field list is sorted.
9147 (intra_create_variable_infos): Only add to referenced_vars if
9148 referenced_vars exists.
9149 (ipa_pta_execute): Init heapvars, and delete when done.
9150 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9152 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9154 * doc/install.texi: Add missing `@samp'.
9156 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9158 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9161 2006-02-18 Mark Wielaard <mark@klomp.org>
9163 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9164 who added new 4.1 features, bug fixes and integration support.
9166 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9169 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9172 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9174 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9175 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9176 (copy_insn_1): Likewise. Don't copy each field individually.
9178 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9180 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9181 * rtl.c (rtx_size): Rename variable to...
9182 (rtx_code_size): ...this.
9183 (rtx_size): New function.
9184 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9185 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9187 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9188 * rtl.h (rtx_code_size): New variable.
9189 (rtx_size): Change from a variable to a function.
9190 (RTX_SIZE): Rename to...
9191 (RTX_CODE_SIZE): ...this.
9194 PR tree-optimization/17106
9195 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9196 (Anchored Addresses): New section.
9197 * doc/invoke.texi (-fsection-anchors): Document.
9198 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9199 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9200 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9201 * hooks.c (hook_bool_mode_rtx_false): New function.
9202 * hooks.h (hook_bool_mode_rtx_false): Declare.
9203 * gengtype.c (create_optional_field): New function.
9204 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9205 SYMBOL_REF_IN_BLOCK_P is true.
9206 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9207 (min_anchor_offset, max_anchor_offset): Likewise.
9208 (use_anchors_for_symbol_p): New hook.
9209 * toplev.c (compile_file): Call output_object_blocks.
9210 (target_supports_section_anchors_p): New function.
9211 (process_options): Check that -fsection-anchors is only used on
9212 targets that support it and when -funit-at-a-time is in effect.
9213 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9214 if the decl doesn't have one.
9215 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9216 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9217 of force_const_mem through use_anchored_address.
9218 (expand_expr_constant): New function.
9219 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9220 calling expand_expr for INDIRECT_REF.
9221 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9222 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9223 * expr.h (use_anchored_address): Declare.
9224 * loop-unroll.c: Don't declare rtx vectors here.
9225 * explow.c: Include output.h.
9226 (validize_mem): Call use_anchored_address.
9227 (use_anchored_address): New function.
9228 * common.opt (-fsection-anchors): New switch.
9229 * varasm.c (object_block_htab, anchor_labelno): New variables.
9230 (hash_section, object_block_entry_eq, object_block_entry_hash)
9231 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9232 (use_blocks_for_decl_p, change_symbol_section): New functions.
9233 (get_variable_section): New function, split out from assemble_variable.
9234 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9235 use_blocks_for_decl_p say so. Use change_symbol_section if the
9236 symbol has already been created.
9237 (assemble_variable_contents): New function, split out from...
9238 (assemble_variable): ...here. Don't output any code for
9239 block symbols; just pass them to place_block_symbol.
9240 Use get_variable_section and assemble_variable_contents.
9241 (get_constant_alignment, get_constant_section, get_constant_size): New
9242 functions, split from output_constant_def_contents.
9243 (build_constant_desc): Create a block symbol if use_object_blocks_p
9244 says so. Or into SYMBOL_REF_FLAGS.
9245 (assemble_constant_contents): New function, split from...
9246 (output_constant_def_contents): ...here. Don't output any code
9247 for block symbols; just pass them to place_section_symbol.
9248 Use get_constant_section and get_constant_alignment.
9249 (force_const_mem): Create a block symbol if use_object_blocks_p and
9250 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9251 (output_constant_pool_1): Add an explicit alignment argument.
9252 Don't switch sections here.
9253 (output_constant_pool): Adjust call to output_constant_pool_1.
9254 Switch sections here instead. Don't output anything for block symbols;
9255 just pass them to place_block_symbol.
9256 (init_varasm_once): Initialize object_block_htab.
9257 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9258 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9259 (place_block_symbol, get_section_anchor, output_object_block)
9260 (output_object_block_htab, output_object_blocks): New functions.
9261 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9262 (TARGET_ASM_OUT): Include it.
9263 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9264 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9265 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9266 (TARGET_INITIALIZER): Include them.
9267 * rtl.c (rtl_check_failed_block_symbol): New function.
9268 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9269 (block_symbol, object_block): New structures.
9270 (rtx_def): Add a block_symbol field to the union.
9271 (BLOCK_SYMBOL_CHECK): New macro.
9272 (rtl_check_failed_block_symbol): Declare.
9273 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9274 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9275 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9276 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9277 * output.h (output_section_symbols): Declare.
9278 (object_block): Name structure.
9279 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9280 (default_use_anchors_for_symbol_p): Declare.
9281 * Makefile.in (RTL_BASE_H): Add vec.h.
9282 (explow.o): Depend on output.h.
9283 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9284 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9285 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9286 (rs6000_use_blocks_for_constant_p): New function.
9288 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9290 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9292 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9295 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9298 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9300 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9304 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9307 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9308 instead of DECL_REGISTER.
9310 2006-02-18 Olivier Hainque <hainque@adacore.com>
9313 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9315 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9318 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9319 * opth-gen.awk: Handle Var and InverseMask together.
9320 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9321 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9322 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9323 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9325 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9326 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9327 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9328 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9329 LINUX_DYNAMIC_LINKER): Define.
9330 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9331 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9333 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9334 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9335 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9337 (TARGET_C99_FUNCTIONS): Don't define.
9338 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9339 GLIBC_DYNAMIC_LINKER.
9340 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9341 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9342 GLIBC_DYNAMIC_LINKER64): Define.
9343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9344 LINUX_DYNAMIC_LINKER64.
9345 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9346 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9347 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9349 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9350 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9351 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9352 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9353 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9354 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9355 and LINUX_DYNAMIC_LINKER32.
9356 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9358 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9359 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9360 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9362 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9363 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9364 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9365 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9366 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9367 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9368 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9369 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9370 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9371 LINUX_DYNAMIC_LINKER): Define.
9372 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9373 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9374 GLIBC_DYNAMIC_LINKER64): Define.
9375 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9376 LINUX_DYNAMIC_LINKER64.
9377 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9378 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9379 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9380 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9381 LINUX_DYNAMIC_LINKER): Define.
9382 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9383 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9384 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9385 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9386 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9387 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9388 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9389 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9390 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9391 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9392 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9393 * doc/invoke.texi (-muclibc): Remove caveat about supported
9396 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9398 * doc/cpp.texi (__TIMESTAMP__): Document.
9400 2006-02-17 Roger Sayle <roger@eyesopen.com>
9403 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9404 C is one less than the width of X (and related transformations).
9405 * simplify-rtx.c (simplify_unary_operation_1): Transform
9406 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9407 depending on STORE_FLAG_VALUE, were C is one less then the
9410 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9412 Fix PR tree-optimization/26341
9413 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9414 about NAME_MEMORY_TAG's.
9416 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9419 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9420 with hardware float support, and software float support. Add fcpy
9421 alternative to hardware patterns. Add alternatives to copy between
9422 general and floating-point registers to the 32-bit pattern.
9423 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9424 secondary reload to load a QI or HI mode constant into a floating
9426 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9427 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9429 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9432 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9434 (load_macho_picbase_di): Likewise.
9436 2006-02-16 Jeff Law <law@redhat.com>
9438 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9439 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9440 (ssa_name_nonzero_p): Likewise.
9441 (get_value_range): Return NULL if VRP is not running.
9442 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9443 VRP routines do not discover a range.
9444 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9445 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9446 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9447 (tree_expr_nonnegative_p): Similarly.
9448 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9449 (restore_nonzero_vars_to_original_value): Remove.
9450 (unsafe_associative_fp_binop): Remove.
9451 (tree_ssa_dominator_optimize): Remove initialization and
9452 finalization of nonzero_vars and nonzero_vars_stack.
9453 (dom_opt_initialize_block): No longer push marker on
9455 (dom_opt_finalize_block): No longer call
9456 restore_nonzero_vars_to_original_value.
9457 (record_equivalences_from_phis): No longer look for
9458 nonzero PHI arguments.
9459 (cprop_into_successor_phis): No longer propagate nonzero
9460 property into PHI arguments. Lose unused argument. Caller
9462 (record_equivalences_from_stmt): No longer record nonzero
9463 values for SSA_NAMEs.
9464 (lookup_avail_expr): No longer use nonzero_vars.
9466 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9467 for sizetype when sizetype is unsigned.
9469 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9471 PR rtl-optimization/25603
9472 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9473 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9474 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9475 with new meaning of SETS.
9477 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9482 * config/linux.opt: New file.
9483 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9484 LINUX_DYNAMIC_LINKER): Define.
9485 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9486 * config.gcc (*-*-linux*): Define extra_options.
9487 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9488 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9489 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9490 GLIBC_DYNAMIC_LINKER.
9491 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9492 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9493 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9494 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9495 * doc/invoke.texi (GNU/Linux Options): New section.
9497 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9499 * config/sparc/sparc.md (setjmp): Rewrite.
9500 (setjmp_32): Delete.
9501 (setjmp_64): Likewise.
9503 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
9505 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
9508 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9510 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
9513 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
9515 PR rtl-optimization/26296
9516 * Makefile.in (loop-invariant.c): Add except.h dependency.
9517 * loop-invariant.c: Include except.h.
9518 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
9520 2005-02-16 Paul Brook <paul@codesourcery.com>
9522 * reload1.c (emit_reload_insns): Invalidate dead input registers used
9525 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
9527 PR rtl-optimization/25636
9528 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
9529 when deciding whether an insn is an initializing insn.
9531 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
9533 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
9534 (tree_code_size): Ditto.
9535 * tree.h (struct tree_memory_tag): Remove parent_var.
9536 (struct tree_struct_field_tag): New.
9539 (union tree_node): Add sft member.
9540 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
9542 (create_sft): Add size and offset argument, set SFT_OFFSET and
9544 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
9545 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
9546 * tree-flow-inline.h (get_subvar_at): Update for
9547 SFT_OFFSET/SFT_SIZE.
9548 (var_can_have_subvars): Ditto.
9549 (overlap_subvar): Ditto.
9550 * print-tree.c (print_node): Print out interesting things for
9552 * tree-flow.h (struct subvar): Remove offset and size members.
9553 * tree-ssa-operands.c (get_expr_operands): Update for
9554 get_indirect_ref_operands changes.
9555 (get_indirect_ref_operands): Call add_virtual_operand instead of
9556 add_stmt_operand. Only recurse on base var if requested.
9557 (access_can_touch_variable): New function.
9558 (add_stmt_operand): Split virtual operand handling into ...
9559 (add_virtual_operand): Here. Add offset, size, and for_clobber
9560 arguments. Prune alias sets.
9561 (add_call_clobber_ops): Call add_virtual_operand.
9563 2006-02-15 Jakub Jelinek <jakub@redhat.com>
9566 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
9568 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
9569 than TREE_CODE as index into omp_clause_num_ops array.
9571 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
9573 PR rtl-optimization/26184
9574 * modulo-sched.c (generate_reg_moves): Free bitmap vector
9576 * modulo-sched.c (sms_schedule): Free g_arr pointer.
9577 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
9578 must_precede, must_follow and tobe_scheduled.
9581 * opts.c (common_handle_option): Free new_option pointer.
9582 * df-core.c (df_analyze): Free postorder pointer.
9584 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9586 * Makefile.in: Fix the examples about the use of stamps
9588 2006-02-15 Michael Matz <matz@suse.de>
9592 * stor-layout.c (layout_decl): Zero-width bitfields aren't
9593 influenced by maximum_field_alignment or DECL_PACKED.
9594 (update_alignment_for_field): Ditto.
9595 (place_field): Ditto.
9596 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
9599 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
9601 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
9602 (debug_flow_info): Pass it.
9603 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
9604 * bb-reorder.c (reorder_basic_blocks): Likewise.
9605 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
9606 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
9607 * flow.c (life_analysis, recompute_reg_usage): Likewise.
9608 * gcse.c (gcse_main, bypass_jumps): Likewise.
9609 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
9610 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
9611 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
9612 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
9613 * rtl.h (dump_flow_info): Adjust prototype.
9614 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
9615 * var-tracking.c (variable_tracking_main): Likewise.
9616 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
9617 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
9620 2006-02-15 Marcin Dalecki <martin@dalecki.de>
9622 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
9625 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9627 PR tree-optimization/26209
9628 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
9629 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
9631 * tree-cfg.c (replace_uses_by): Do not alter cfg.
9633 2006-02-14 Roger Sayle <roger@eyesopen.com>
9636 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
9637 (X,Y) and the corresponding symmetry related transformations.
9638 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
9639 (X,Y) and its symmetry related transformations.
9641 2006-02-14 Roger Sayle <roger@eyesopen.com>
9643 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
9646 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
9648 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
9650 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9653 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
9654 support COMDAT group.
9655 * configure: Regenerate.
9657 2006-02-14 Roger Sayle <roger@eyesopen.com>
9662 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
9664 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
9666 Fix PR tree-optimization/26260
9668 * doc/invoke.texi (max-fields-for-field-sensitive): Document
9670 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
9671 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
9672 * tree-ssa-structalias.c (create_variable_info_for): Use
9673 MAX_FIELDS_FOR_FIELD_SENSITIVE.
9675 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
9677 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
9679 * tree-ssa-loop-niter.c (number_of_iterations_ne,
9680 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
9681 of the ending condition.
9682 * tree-ssa-loop-manip.c: Include params.h.
9683 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
9684 tree_unroll_loop): New functions.
9685 * tree-pass.h (pass_loop_prefetch): Declare.
9686 * loop.c (rest_of_handle_loop_optimize): Test for
9687 -fprefetch-loop-arrays-rtl.
9688 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
9689 * timevar.def (TV_TREE_PREFETCH): New timevar.
9690 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
9691 pass_loop_prefetch): New.
9692 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
9693 (cleanup_tree_cfg_loop): Call scev_reset.
9694 * common.opt (fprefetch-loop-arrays-rtl): Add.
9695 * tree-ssa-loop-prefetch.c: New file.
9696 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
9697 (new_temp_expr_table): Initialize expr_vars.
9698 (free_temp_expr_table): Cleanup expr_vars.
9699 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
9700 expressions from being merged into one.
9701 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
9702 (struct tree_niter_desc): Add control, bound and cmp fields.
9703 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
9705 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
9706 (tree-cfgcleanup.o): Add SCEV_H dependency.
9707 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
9708 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
9710 2006-02-14 Richard Guenther <rguenther@suse.de>
9712 PR tree-optimization/26258
9713 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
9714 in PHI argument processing.
9716 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
9718 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
9719 new expression in the requested machine mode.
9721 2006-02-13 Roger Sayle <roger@eyesopen.com>
9723 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
9724 directly, instead let do_compare_rtx_and_jump handle this for us.
9725 * expr.c (expand_expr_real_1): Likewise.
9726 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
9727 before do_jump_by_parts_greater.
9728 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
9729 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
9731 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9733 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
9735 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9737 PR rtl-optimization/26235
9738 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
9739 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
9742 2006-02-13 Jeff Law <law@redhat.com>
9744 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
9747 2006-02-13 Jakub Jelinek <jakub@redhat.com>
9750 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
9751 twice if decl is a builtin. When trying again, call get_callee_fndecl
9752 first to verify it is still a builtin.
9754 2006-02-13 Geoffrey Keating <geoffk@apple.com>
9756 * dwarf2out.c (base_type_die): Don't add AT_name here.
9757 (subrange_type_die): Don't add AT_name here.
9758 (modified_type_die): Rearrange code flow. Do add AT_name here.
9760 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
9762 PR rtl-optimization/26247
9763 PR rtl-optimization/26248
9764 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
9766 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9768 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
9769 * config/fixtfdi.c: Likewise.
9770 * config/fixunstfdi.c: Likewise.
9771 * config/floatditf.c: Likewise.
9773 2006-02-13 Roger Sayle <roger@eyesopen.com>
9776 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
9777 into (X,C2) if C1 is a subset of the bits of C2. Transform
9778 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
9780 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
9782 2006-02-13 Josh Conner <jconner@apple.com>
9785 * varasm.c (function_section): Check for section name before
9786 calling select_section on targets that define
9787 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
9788 unlikely_text_section instead of hot_function_section if
9789 first_function_block_is_cold.
9791 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
9794 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
9796 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9798 PR rtl-optimization/26222
9799 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
9800 after tree->rtl expansion.
9801 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
9802 before passing it to emit_move_insn.
9804 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
9806 * doc/invoke.texi (-Write-strings): Document that it is enabled by
9808 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
9809 Clarify documentation.
9810 * c-common.h (warn_write_strings): Remove.
9811 * c-common.c (warn_write_strings): Likewise.
9812 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
9815 2006-02-12 Roger Sayle <roger@eyesopen.com>
9818 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
9819 (do_jump_parts_zero_rtx): New function renamed from
9820 do_jump_parts_equality_rtx. Made static. Add a mode argument.
9821 (do_jump_parts_equality_rtx): New function split out from
9822 do_jump_parts_equality. Old implementation renamed as above.
9823 Call do_jump_parts_zero_rtx if either operand is zero.
9824 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
9825 do all of the heavy lifting.
9826 (do_compare_rtx_and_jump): Handle multi-word comparisons by
9827 calling either do_jump_by_parts_greater_rtx or
9828 do_jump_by_parts_equality_rtx.
9829 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
9830 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
9831 moved to do_compare_rtx_and_jump, call it directly.
9832 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
9833 mode argument. Call do_compare_rtx_and_jump.
9834 (emit_case_nodes): Update calls to do_jump_if_equal.
9836 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9838 PR rtl-optimization/26225
9839 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
9841 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
9843 PR rtl-optimization/26232
9844 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
9846 2006-02-11 Jason Merrill <jason@redhat.com>
9849 * tree-inline.c (declare_return_variable): Just don't use the
9850 modify target if it's a gimple complex reg and the return slot
9853 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9855 * doc/contrib.texi: Update my entry.
9857 2006-02-10 Geoffrey Keating <geoffk@apple.com>
9859 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
9861 2006-02-10 Diego Novillo <dnovillo@redhat.com>
9863 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
9866 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
9868 * doc/invoke.texi (-floop-optimize2): Removed.
9869 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
9870 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
9871 Test flag_branch_on_count_reg only if HAVE_doloop_end.
9872 * common.opt (floop-optimize2): Removed.
9873 (fmove-loop-invariants): Enabled by default.
9875 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
9877 * tree-if-conv.c (combine_blocks): Free the result of
9878 get_loop_exit_edges.
9880 2006-02-10 Jeff Law <law@redhat.com>
9882 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
9884 PR tree-optimization/26213
9885 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
9886 loop trying to follow SSA_NAME_VALUE chains.
9888 2006-02-10 Richard Guenther <rguenther@suse.de>
9890 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
9891 deal with structures that end in implicitly variable sized arrays.
9893 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9895 PR rtl-optimization/24762
9896 * df-scan.c (df_bb_refs_record): Record correct registers defined on
9899 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
9901 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
9902 (struct ivopts_data): Add regs_used field.
9903 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
9904 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
9905 instead of loop_data->regs_used;
9906 (free_loop_data): Do not free aux fields for loops.
9907 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
9908 and tree_ssa_iv_optimize_finalize.
9910 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
9912 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
9914 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9917 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9918 computing the effective result type.
9920 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
9923 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
9924 (tree_overlaps_hard_reg_set): Declare.
9925 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
9926 type and signature to match function type expected by walk_tree.
9927 (tree_overlaps_hard_reg_set): New function.
9928 (decl_conflicts_with_clobbers_p): Rename to:
9929 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
9930 Use tree_overlaps_hard_reg_set. Changed caller.
9931 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
9932 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
9933 * cris.c (cris_md_asm_clobbers): Likewise.
9935 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
9937 * reload1.c (emit_input_reload_insns): Delete code that tries to
9938 inherit using find_equiv_reg.
9940 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
9942 * c-common.h (flag_const_strings): Don't declare.
9943 * c-common.c (flag_const_strings): Remove.
9944 * c.opt (fconst_strings): Remove.
9945 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
9946 <OPT_Wwrite_strings>: Don't set flag_const_strings.
9947 (c_common_init_options): Don't set flag_const_strings.
9948 * doc/invoke.texi (-fno-const-strings): Remove documentation.
9950 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
9952 * arm.md (tlobits_cbranch): New pattern.
9953 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
9954 testing a single bit.
9956 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9959 * tree-ssa-pre.c (create_component_ref_by_pieces):
9960 Handle RETURN_DECL like VAR_DECL.
9962 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9965 * fold-const.c (fold_indirect_ref_1): Fold
9966 "*(foo *)&complexfoo" to "__real__ complexfoo"
9967 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
9969 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
9971 * tree-flow-inline.h (var_can_have_subvars):
9972 Volatile variables should not have subvariables.
9974 2006-02-09 Diego Novillo <dnovillo@redhat.com>
9977 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
9978 multiplying unsigned values.
9981 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
9983 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
9985 2006-02-08 Jason Merrill <jason@redhat.com>
9988 * tree.def: Elaborate on difference from MODIFY_EXPR.
9989 * doc/c-tree.texi (INIT_EXPR): Likewise.
9990 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
9991 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
9992 (gimplify_target_expr): Likewise.
9993 (gimplify_cond_expr): Remove target handling.
9994 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
9995 (gimplify_expr): Clobber it here.
9996 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
9997 Do return slot optimization if we have an INIT_EXPR.
10000 * tree-inline.c (declare_return_variable): Also clear
10001 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10004 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10006 PR middle-end/22439
10007 * gimplify.c (gimplify_one_sizepos): Fix typo.
10009 2006-02-08 Jeff Law <law@redhat.com>
10011 PR tree-optimization/21417
10012 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10013 across a backedge if the control statement at the end of the
10014 block is data dependent on other statements in the same block.
10015 (record_temporary_equivalences_from_stmts): Remove over-conservative
10016 test for threading across backedges.
10018 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10019 control statement, handle all three special cases in the same
10020 manner as they all have the same desired solution. No longer
10021 special case edge flag updating when the post dominator is
10024 2006-02-08 Roger Sayle <roger@eyesopen.com>
10026 * tree.def (CHAR_TYPE): Remove.
10027 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10028 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10029 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10030 (gen_string_type_die): Delete unreachable function.
10032 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10033 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10034 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10035 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10036 * builtins.c (type_to_class): Likewise.
10037 * fold-const.c (fold_convert, build_range_check,
10038 merge_ranges): Likewise.
10039 * expr.c (count_type_elements): Likewise.
10040 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10041 * stor-layout.c (layout_type): Likewise.
10042 * ipa-type-escape.c (type_to_consider): Likewise.
10043 * gimplify.c (omp_firstprivatize_type_sizes,
10044 gimplify_type_sizes): Likewise.
10045 * explow.c (promote_mode): Likewise.
10046 * tree-sra.c (is_sra_scalar_type): Likewise.
10047 * varasm.c (output_constant): Likewise.
10048 * tree-inline.c (remap_type_1): Likewise.
10049 * convert.c (convert_to_pointer, convert_to_real,
10050 convert_to_integer, convert_to_complex): Likewise.
10052 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10054 * df-scan.c (df_def_record_1): A set destination may
10055 be a parallel regardless of mode.
10057 2006-02-08 Roger Sayle <roger@eyesopen.com>
10060 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10061 * config/mips/_tilib.c: Remove.
10062 * config/fixtfdi.c: New libgcc source file.
10063 * config/fixunstfdi.c: New source file.
10064 * config/floatditf.c: New source file.
10065 * config/floatunditf.c: New souce file.
10066 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10067 files above instead of config/mips/_tilib.c.
10068 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10070 2006-02-08 Jeff Law <law@redhat.com>
10072 PR tree-optimization/26169
10073 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10076 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10078 * df.h (DF_REG_SIZE): Return the length of the initialized
10081 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10083 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10084 __muldf3): Return a correctly signed zero.
10086 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10088 * passes.c (register_one_dump_file): Accept the current properties
10089 instead of pass number. Adjust call to dump_register. Remove
10091 (register_dump_files): Now a wrapper around...
10092 (register_dump_files_1): ... this one. Do not modify the pass
10094 (next_pass_1): Cosmetic fix.
10095 (execute_todo): Keep second parameter only. Use curr_properties
10096 instead of fetching it from the pass structure. Check and set
10098 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10099 instead of fetching it from the pass structure. Fix calls to
10100 execute_todo. Update curr_properties and initialize .vcg RTL dump
10101 after running the pass. Reset last_verified.
10102 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10104 (FIRST_AUTO_NUMBERED_DUMP): New.
10105 (dump_register): Remove "num" parameter, assign it within the
10107 (get_dump_file_name): Modify template for dumps.
10108 * tree-dump.h (dump_register): Adjust prototype.
10109 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10110 (PROP_trees): Add PROP_gimple_lomp.
10111 (TODO_set_props): New.
10112 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10113 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10114 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10116 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10118 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10119 (sparc64-*-linux*): Likewise.
10120 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10121 * config/sparc/t-linux: New file.
10122 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10123 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10124 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10125 -m32 -mlong-double-128.
10127 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10128 * config/alpha/t-linux: New file.
10129 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10131 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10132 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10133 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10134 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10135 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10136 (CPP_ARCH32_SPEC): Remove.
10138 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10140 PR tree-optimization/26145
10141 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10144 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10147 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10148 >= 240000 when generating code for SOM runtime.
10149 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10150 to $$dyncall when generating code for SOM runtime..
10152 2006-02-07 Dirk Mueller <dmueller@suse.com>
10155 * doc/invoke.texi (-Wsequence-point): Update documentation
10156 that -Wsequence-point is implemented for C++ as well.
10158 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10160 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10161 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10162 (LIB_SPEC): Likewise.
10163 * doc/invoke.texi (SPARC options): Document -pthread.
10165 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10167 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10170 2006-02-07 Roger Sayle <roger@eyesopen.com>
10172 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10173 Correct comment describing BOOLEAN_TYPE.
10175 2006-02-07 Dirk Mueller <dmueller@suse.com>
10177 * c.opt: C++ frontend supports -Wdiv-by-zero.
10178 * c-opts.c (c_common_handle_option): Remove dead case.
10180 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10182 * configure.ac (TLS assembler check): Do not enable TLS by
10183 default on SPARC/Solaris before version 10.
10184 * configure: Regenerate.
10186 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10188 * doc/invoke.texi (xl-compat): Document conversion and support
10191 2006-02-07 Jeff Law <law@redhat.com>
10193 * tree-vrp.c (find_conditional_asserts): Update comments.
10194 (simplify_stmt_for_jump_threading): New.
10195 (identify_jump_threads, finalize_jump_threads): New.
10196 (vrp_finalize): Call identify_jump_threads.
10197 (execute_vrp): Call finalize_jump_threads.
10198 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10199 (vrp_element, vrp_data, vrp_element_p): Remove.
10200 (vrp_hash_elt, vrp_variables_stack): Remove.
10201 (vrp_hash, vrp_eq, record_range): Remove.
10202 (simplify_cond_and_lookup_avail_expr): Remove.
10203 (extract_range_from_cond): Remove.
10204 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10205 (simplify_stmt_for_jump_threading): New.
10206 (dom_thread_across_edge): New wrapper.
10207 (tree_ssa_dominator_optimize): No longer initialize or
10208 finalize any of the VRP datastructures. Remove iteration
10209 step and simplify as a result of removal of iteration step.
10210 (pass_dominator): Perform a cfg cleanup after DOM.
10211 (dom_opt_finalize_block): Use the new common routines
10212 for threading jumps. Simplify stack management slightly.
10213 No longer need to unwind VRP state.
10214 (record_equivalences_from_incoming_edge): No longer record
10216 (eliminate_redundant_computations): No longer call
10217 simplify_cond_and_lookup_avail_expr.
10218 * tree-flow.h (potentially_threadable_block): Prototype.
10219 (thread_across_edge): Likewise.
10220 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10221 (tree-ssa-threadedge.o): Add dependencies.
10222 * tree-ssa-threadedge.c: New file.
10223 * passes.c (init_optimization_passes): Merge PHIs before
10224 calling VRP. Run VRP again late in the SSA optimization pipeline.
10226 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10228 * df-core.c (df_set_blocks): Do not dereference function pointers.
10229 (df_finish1): Likewise.
10230 (df_hybrid_search_forward): Likewise.
10231 (df_hybrid_search_backward): Likewise.
10232 (df_iterative_dataflow): Likewise.
10233 (df_analyze_problem): Likewise.
10234 (df_compact_blocks): Likewise.
10235 (df_dump): Likewise.
10236 * df-scan.c (df_rescan_blocks): Likewise.
10237 (df_record_entry_block_defs): Likewise.
10239 * genconditions.c (write_conditions): Guard the definition of
10240 'insn_conditions' with the check on GCC version.
10241 (write_writer): Guard the traversal 'insn_conditions' with
10242 the check on GCC version.
10244 2006-02-07 Richard Guenther <rguenther@suse.de>
10248 2006-01-30 Richard Guenther <rguenther@suse.de>
10250 * gimplify.c (gimplify_target_expr): Handle easy cases
10251 without creating a temporary.
10253 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10255 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10256 use of float in probability computations. Use edge probabilities
10257 in place of statically computed probabilities.
10258 (min_spec_prob): New static variable.
10259 (schedule_insns): Initialize it.
10260 (GET_SRC_PROB): Removed.
10261 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10263 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10266 * config/ia64/unwind-ia64.c: Revert last change.
10267 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10268 (INCOMING_FRAME_SP_OFFSET): Define.
10270 2006-02-06 Roger Sayle <roger@eyesopen.com>
10272 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10274 2006-02-07 Ben Elliston <bje@au.ibm.com>
10276 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10277 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10278 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10279 (ix86_return_in_memory): Handle TDmode.
10280 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10281 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10283 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10285 * reorg.c (dbr_schedule): Use dump_file instead of file.
10287 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10290 * config/ia64/predicates.md (extr_len_operand): New predicate.
10291 * config/ia64/ia64.md (extv): Tighten constraints.
10293 (*tbit_and_2): Ditto.
10294 (*tbit_and_3): Ditto.
10295 (*tbit_or_2): Ditto.
10296 (*tbit_or_3): Ditto.
10297 (*bit_zero): Ditto.
10300 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10303 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10305 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10307 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10308 loop_optimizer_init and loop_optimizer_finalize
10309 * tree-ssa-sink.c (execute_sink_code): Ditto.
10310 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10311 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10312 tree_ssa_loop_done): Ditto.
10313 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10314 * sched-ebb.c: Include output.h.
10315 (schedule_ebbs): Do not use dump argument.
10316 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10317 * loop.c (loop_dump_stream): Removed.
10318 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10320 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10321 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10322 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10323 loop_iterations, strength_reduce, record_biv, record_giv,
10324 final_giv_value, check_final_value, check_ext_dependent_givs,
10325 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10326 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10327 dump_file instead of loop_dump_stream.
10328 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10329 argument dump_file.
10330 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10332 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10333 * haifa-sched.c: Include output.h
10334 (schedule_insns, sched_init): Do not use dump argument.
10335 * mode-switching.c (optimize_mode_switching): Ditto.
10336 * modulo-sched.c (stats_file): Removed.
10337 (print_node_sched_params): Do not call argument dump_file.
10338 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10339 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10341 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10343 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10344 rtl_loop_init, rtl_loop_done): Ditto.
10345 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10346 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10348 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10349 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10350 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10351 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10352 * emit-rtl.c (renumber_insns): Ditto.
10353 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10354 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10355 * regclass.c (regclass): Ditto.
10356 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10357 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10358 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10359 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10361 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10362 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10364 * gcse.c (gcse_file, debug_stderr): Removed.
10365 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10366 rest_of_handle_gcse): Do not use dump argument.
10367 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10368 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10369 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10370 compute_code_hoist_vbeinout, compute_code_hoist_data,
10371 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10372 compute_store_table, build_store_vectors, insert_insn_start_bb,
10373 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10374 store_motion): Use dump_file instead of gcse_file.
10375 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10376 * profile.c (profile_dump_file): Removed.
10377 (branch_prob): Use dump_file instead of profile_dump_file.
10378 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10380 * tree-ssa-copy.c (dump_copy_of): Ditto.
10381 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10382 dump file to life_analysis.
10383 * bt-load.c (branch_target_load_optimize): Ditto.
10384 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10386 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10387 regclass, dbr_schedule): Declaration changed.
10388 * sched-int.h (sched_init): Declaration changed.
10389 * tree-profile.c (tree_profile_dump_file): Removed.
10390 (tree_profile_hooks): Removed profile_dump_file hook.
10391 * rtl-profile (rtl_profile_dump_file): Removed.
10392 (rtl_profile_hooks): emoved profile_dump_file hook.
10393 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10395 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10396 * tree-cfg.c (build_tree_cfg): Ditto.
10397 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10398 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10399 Declaration changed.
10400 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10401 life_analysis and schedule_insns.
10402 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10404 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10406 * config/mips/mips.c (mips_reorg): Ditto.
10407 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10410 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10412 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10413 (s390_mangle_fundamental_type): New.
10414 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10417 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10418 (alpha_mangle_fundamental_type): New.
10419 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10422 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10424 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10426 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10427 (sparc_mangle_fundamental_type): New.
10429 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10431 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10432 (s390x-*-linux*): Likewise.
10433 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10434 * config/s390/t-linux: New file.
10436 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10438 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10439 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10441 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10443 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10444 (ANTIC_SAFE_LOADS): New macro.
10445 (find_or_generate_expression): Add prototype.
10446 (set_contains_value): Allow null set for sake of not always having
10447 to allocate ANTIC_SAFE_LOADS.
10448 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10449 Allow COMPONENT_REF too.
10450 (valid_in_set): Allow COMPONENT_REF.
10451 Check ANTIC_SAFE_LOADS too.
10452 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10453 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10455 (can_PRE_operation): Add COMPONENT_REF.
10456 (create_component_ref_by_pieces): New function.
10457 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10458 (insert_aux): Move AGGREGATE_TYPE_P check here.
10459 (compute_avail): Set bb local stmt uids.
10460 (pass_pre): Use TODO_update_ssa_only_virtuals.
10462 2006-02-06 Ben Elliston <bje@au.ibm.com>
10464 * configure.ac: Unconditionally disable decimal float by default.
10465 * configure: Regenerate.
10467 2006-02-06 Ben Elliston <bje@au.ibm.com>
10469 * read-rtl.c (read_name): Terminate reading on EOF.
10471 2006-02-06 Ben Elliston <bje@au.ibm.com>
10473 * dfp.c (decimal_real_arithmetic): Change second argument type
10474 from int to enum tree_code. Do not always return true, but now
10475 return result of any call to decimal_do helper functions.
10476 * dfp.h (decimal_real_arithmetic): Update prototype.
10478 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10480 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10482 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10485 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10488 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10490 * tree-vrp.c (cfg_loops): Removed.
10491 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10492 Use current_loops instead of cfg_loops. Pass flags to
10493 loop_optimizer_init.
10494 * cfgloopmanip.c (fix_loop_structure): Update only available
10496 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
10497 loop_optimizer_init.
10498 * modulo-sched.c (build_loops_structure): Removed.
10499 (sms_schedule): Use loop_optimizer_init.
10500 * loop-init.c (loop_optimizer_init): Use flags to determine
10501 which properties of loops to prepare.
10502 (rtl_loop_init): Pass flags to loop_optimizer_init.
10503 * tree-ssa-sink.c (execute_sink_code): Ditto.
10504 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10505 * tree-ssa-pre.c (init_pre): Ditto.
10506 * cfgloop.h (LOOPS_NORMAL): New.
10507 (loop_optimizer_init): Declaration changed.
10509 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10511 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
10512 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
10514 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
10516 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
10518 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
10519 * pa/t-pa64: Delete quadlib.c rule.
10520 * pa/x-ada: Revert last change.
10521 * pa/t-pa: Revert last change. Delete quadlib.c rule.
10523 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10525 PR rtl-optimization/26087
10526 * rtlanal.c (canonicalize_condition): Do not cross basic block
10529 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
10532 * config/ia64/ia64.c: Include debug.h.
10533 (MAX_ARTIFICIAL_LABEL_BYTES): New.
10534 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
10535 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
10536 (process_epilogue, process_set, process_for_unwind_directive):
10537 Output unwind info only if requested. Add CFA info if requested.
10538 Add new arguments as needed. Adjust callers.
10539 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
10541 (DWARF2_FRAME_INFO): Define to zero.
10542 * config/ia64/unwind-ia64.c: Remove code that compensated for
10543 the CFA offset error fixed above.
10544 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
10545 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
10546 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
10547 -funwind-tables and -fexceptions to enable frame info.
10548 (dwarf2out_frame_init): Define initial CFA even if
10549 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
10550 DWARF2_UNWIND_INFO is nonzero, not just defined.
10551 (dwarf2out_frame_finish): Output non-EH call frame info only
10552 if DWARF2_FRAME_INFO is nonzero.
10553 (convert_cfa_to_loc_list,
10554 compute_frame_pointer_to_cfa_displacement): Define even if
10555 unwind info is not supported.
10556 (gen_subprogram_die): Use the above unconditionally. Remove
10557 legacy alternate code.
10558 * toplev.c (compile_file): Compile in call to
10559 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
10560 (lang_dependent_init): Ditto for dwarf2out_frame_init.
10562 2006-02-04 David Edelsohn <edelsohn@gnu.org>
10563 Jakub Jelinek <jakub@redhat.com>
10565 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
10566 IBM extended float format long double as "g" on powerpc*-linux.
10568 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10571 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
10572 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
10574 2006-02-03 Jason Merrill <jason@redhat.com>
10577 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
10579 PR middle-end/25977
10580 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
10581 on the return slot if it's an NRV.
10583 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
10585 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
10586 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
10587 rewrite_use): Do not handle USE_OUTER.
10588 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
10589 add_iv_outer_candidates, may_replace_final_value,
10590 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
10591 (find_interesting_uses_op): Functionality of
10592 find_interesting_uses_outer_or_nonlin moved here.
10593 (find_interesting_uses_outside): Use find_interesting_uses_op.
10595 2006-02-03 Alan Modra <amodra@bigpond.net.au>
10598 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
10600 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
10601 Ulrich Weigand <uweigand@de.ibm.com>
10604 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
10605 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
10606 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
10607 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
10609 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
10610 (s390_rtx_costs): Use the new fields to calculate rtx costs.
10611 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
10612 Define secondary reloads for TFmode moves.
10613 (constant_modes): Add TFmode.
10614 (NR_C_MODES): Set to 8.
10615 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
10617 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
10618 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
10619 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
10620 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
10621 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
10622 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
10623 (FPR mode macro): Add TFmode.
10624 (DSF mode macro): New.
10625 (<de>, <dee> mode attributes): Removed.
10626 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
10627 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
10628 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
10629 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
10630 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
10631 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
10632 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
10633 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
10634 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
10635 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
10636 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
10637 "*negabs<mode>2", "sqrt<mode>2"):
10638 Changed <de> to <xde>. R constraint replaced by <Rf>.
10639 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
10641 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
10642 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
10643 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
10645 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
10646 "extenddftf2", "extendsftf2"): New expanders.
10647 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
10648 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
10649 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
10650 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
10652 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
10653 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
10654 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
10655 __floatditf): Add a GCC_4.1.0 symbol version tag.
10656 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
10659 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
10662 * config/i386/i386.c (ix86_function_ok_for_sibcall):
10663 Use targetm.binds_local_p instead of TREE_PUBLIC.
10665 2006-02-02 Roger Sayle <roger@eyesopen.com>
10667 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
10668 on INTEGER_TYPEs to indicate that it denotes a character type.
10669 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
10670 signed_char_type_node, unsigned_char_type_node and char_type_node.
10671 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
10672 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
10673 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
10675 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
10676 Daniel Berlin <dberlin@dberlin.org>
10678 * tree-tailcall.c (arg_needs_copy_p): New function.
10679 (eliminate_tail_call): Use arg_needs_copy_p.
10680 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
10681 (add_virtual_phis): New function.
10683 2006-02-02 Jakub Jelinek <jakub@redhat.com>
10685 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
10686 #ignore instead of #scratch for %g7 .register directive.
10688 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
10690 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
10693 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10695 * flow.c (calculate_global_regs_live): Assert that there aren't any
10698 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
10700 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
10701 what its name says.
10702 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
10703 bsi_after_labels iterator.
10704 * tree-if-conv.c (find_phi_replacement_condition,
10705 replace_phi_with_cond_modify_expr): Likewise.
10706 * tree-scalar-evolution.c (scev_const_prop): Likewise.
10707 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
10709 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10711 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
10713 2006-02-02 Diego Novillo <dnovillo@redhat.com>
10716 * tree-cfg.c (move_block_to_fn): Clear out the basic block
10717 array after growing it.
10719 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10721 PR middle-end/24901
10722 * fold-const.c (fold_checksum_tree): Change type of buf.
10724 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
10726 * reload.c (push_secondary_reload): Initialize t_icode.
10728 2006-02-01 Jakub Jelinek <jakub@redhat.com>
10730 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
10731 -msoft-float -mlong-double-128 only issue a warning, but don't
10732 swich to DFmode long double.
10734 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
10736 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
10737 has a constant equivalent, iterate over equivalents for arg0,
10738 calling simplify_relational_operation and if there's a result
10739 cheaper than X, apply fold_rtx and return the result.
10741 2006-02-01 Jan Hubicka <jh@suse.cz>
10743 * opts.c (no_unit_at_a_time_default): New global variable.
10744 (decode_options): Use it.
10745 * opts.h (no_unit_at_a_time_default): Declare.
10747 2006-02-01 Paul Brook <paul@codesourcery.com>
10749 * function.c (assign_parm_setup_reg): Use function argument promotion
10751 * expr.c (expand_expr_real_1): Use function argument promotion rules
10754 2006-02-01 Steve Ellcey <sje@cup.hp.com>
10756 * gcc.c (process_command): Change j to 'unsigned int'.
10758 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10760 PR middle-end/26001
10761 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
10762 Use the corrected index for the character
10763 out of the string constant.
10765 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10767 * mode-switching.c (optimize_mode_switching): Fix size
10768 allocated for bb_info[n_entities].
10770 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
10772 * gcc.c (main): Correct type that is allocated for
10773 explicit_link_files.
10775 2006-01-31 Jakub Jelinek <jakub@redhat.com>
10777 * config/s390/s390.c (init_alignment_context): Set
10778 ALIAS_SET_MEMORY_BARRIER on the MEM.
10779 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
10781 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
10783 PR middle-end/25933
10784 * loop-unroll.c (unroll_loop_runtime_iterations): Free
10786 * tree-ssa-live.c (type_var_init): Allocate bitmap after
10789 2006-01-31 Marcin Dalecki <martin@dalecki.de>
10791 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
10792 * regrename.c: Ditto.
10793 * tree-ssa-loop-im.c: Ditto.
10794 * tree-dump.c: Ditto.
10795 * tree-complex.c: Ditto.
10796 * genrecog.c: Ditto.
10797 * tree-ssa-threadupdate.c: Ditto.
10799 * java/class.c: Ditto.
10800 * java/jcf-parse.c: Ditto.
10801 * java/resource.c: Ditto.
10802 * java/except.c: Ditto.
10803 * java/jvspec.c: Ditto.
10804 * java/jcf-write.c: Ditto.
10805 * java/jcf-path.c: Ditto.
10806 * java/gjavah.c: Ditto.
10807 * java/zextract.c: Ditto.
10808 * java/jcf-io.c: Ditto.
10809 * java/jcf.h: Ditto.
10810 * java/buffer.c: Ditto.
10811 * java/lang.c: Ditto.
10812 * java/parse-scan.y: Ditto.
10813 * java/lex.c: Ditto.
10814 * java/lex.h: Ditto.
10815 * cfgloopmanip.c: Ditto.
10816 * postreload-gcse.c: Ditto.
10817 * tree-ssa-loop-manip.c: Ditto.
10818 * postreload.c: Ditto.
10819 * tree-ssa-loop-ch.c: Ditto.
10822 * cppspec.c: Ditto.
10823 * diagnostic.c: Ditto.
10825 * genoutput.c: Ditto.
10827 * cfghooks.c: Ditto.
10828 * cfgloopanal.c: Ditto.
10829 * objc/objc-act.c: Ditto.
10831 * genextract.c: Ditto.
10832 * genautomata.c: Ditto.
10833 * pretty-print.c: Ditto.
10834 * genemit.c: Ditto.
10835 * cgraphunit.c: Ditto.
10837 * df-scan.c: Ditto.
10838 * haifa-sched.c: Ditto.
10839 * dominance.c: Ditto.
10841 * tree-ssa-loop-ivopts.c: Ditto.
10842 * df-core.c: Ditto.
10843 * mode-switching.c: Ditto.
10844 * modulo-sched.c: Ditto.
10846 * ipa-pure-const.c: Ditto.
10848 * fix-header.c: Ditto.
10850 * tree-stdarg.c: Ditto.
10851 * ipa-utils.c: Ditto.
10852 * loop-init.c: Ditto.
10853 * ipa-inline.c: Ditto.
10854 * cfganal.c: Ditto.
10856 * alloc-pool.c: Ditto.
10857 * dwarf2out.c: Ditto.
10859 * genattrtab.c: Ditto.
10860 * tree-ssa-loop-ivcanon.c: Ditto.
10861 * predict.c: Ditto.
10862 * timevar.c: Ditto.
10864 * fortran/gfortranspec.c: Ditto.
10865 * regmove.c: Ditto.
10866 * local-alloc.c: Ditto.
10867 * langhooks.c: Ditto.
10868 * function.c: Ditto.
10869 * tree-vectorizer.c: Ditto.
10871 * ipa-type-escape.c: Ditto.
10873 * tree-if-conv.c: Ditto.
10874 * profile.c: Ditto.
10876 * tree-data-ref.c: Ditto.
10877 * loop-unroll.c: Ditto.
10878 * treelang/treetree.c: Ditto.
10880 * bt-load.c: Ditto.
10881 * ggc-common.c: Ditto.
10883 * coverage.c: Ditto.
10885 * tree-cfgcleanup.c: Ditto.
10886 * tree-ssa-pre.c: Ditto.
10887 * cfgcleanup.c: Ditto.
10888 * loop-invariant.c: Ditto.
10889 * loop-iv.c: Ditto.
10890 * ipa-prop.c: Ditto.
10891 * print-tree.c: Ditto.
10892 * conflict.c: Ditto.
10893 * ggc-page.c: Ditto.
10894 * sched-deps.c: Ditto.
10895 * regclass.c: Ditto.
10896 * tree-object-size.c: Ditto.
10897 * combine.c: Ditto.
10898 * bb-reorder.c: Ditto.
10899 * resource.c: Ditto.
10900 * var-tracking.c: Ditto.
10901 * cfgloop.c: Ditto.
10902 * df-problems.c: Ditto.
10903 * reg-stack.c: Ditto.
10905 * gccspec.c: Ditto.
10906 * sched-rgn.c: Ditto.
10907 * tree-ssa-structalias.c: Ditto.
10908 * tree-ssa-reassoc.c: Ditto.
10909 * config/darwin-c.c: Ditto.
10910 * config/darwin.c: Ditto.
10911 * config/arm/arm.c: Ditto.
10913 * collect2.c: Ditto.
10914 * reload1.c: Ditto.
10916 2006-01-31 Nicolas Pitre <nico@cam.org>
10918 * arm.md (smaxsi3): Make aware of smax_m1.
10921 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
10923 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
10925 2006-01-31 Richard Guenther <rguenther@suse.de>
10927 * doc/invoke.texi (-msselibm): Document.
10928 * target.h (expand_library_builtin): New target hook.
10929 * builtins.c (expand_builtin): Use expand_library_builtin.
10930 (default_expand_library_builtin): New function.
10931 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10932 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10933 (link_gcc_math_spec): Declare.
10934 (static_specs): Add link_gcc_math_spec.
10935 * expr.h (default_expand_library_builtin): Declare.
10936 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10937 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10938 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10939 * config/i386/i386.opt (msselibm): New target option.
10940 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10941 (ix86_init_sse_abi_builtins): New function.
10942 (ix86_expand_library_builtin): Likewise.
10943 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10944 (override_options): Handle error conditions wrt -msselibm.
10945 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10946 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10947 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10950 2006-01-31 Richard Guenther <rguenther@suse.de>
10951 Paolo Bonzini <bonzini@gnu.org>
10953 * doc/install.texi (--disable-libgcc-math): Document.
10955 2006-01-30 Marcin Dalecki <martin@dalecki.de>
10957 * expr.h (expand_normal): new inline function.
10958 * builtins.c: use it, use EXPAND_NORMAL explicitely.
10959 * dojump.c: use it.
10960 * dwarf2out.c: use it.
10963 * expmed.c: use it.
10964 * except.c: use it.
10965 * config/sparc/sparc.c: use it.
10966 * config/i386/i386.c: use it.
10967 * config/rs6000/rs6000.c: use it.
10968 * config/arm/arm.c: use it.
10969 * config/mips/mips.c: use it.
10970 * stmt.c: use it, use EXPAND_NORMAL explicitely.
10972 2006-01-30 Roger Sayle <roger@eyesopen.com>
10974 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
10975 argv to the appropriate type.
10977 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
10979 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
10982 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
10985 * config/s390/s390.c (struct machine_function): New flag
10986 decomposed_literal_pool_addresses_ok_p.
10987 (s390_reorg): Set it before final stage of literal pool transforms.
10988 (s390_decompose_address): Only accept displacements of the form
10989 (minus (label_ref ...) (label_ref ...)) if that flag is set.
10991 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
10993 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
10994 the comparison routine return.
10996 2006-01-30 Michael Matz <matz@suse.de>
10998 * global.c (find_reg): Only evict for global regs.
10999 Take n_refs into account and dump more info.
11001 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11004 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11005 (pragma_trap, pragma_nosave_low_regs): Likewise.
11006 (current_function_anonymous_args): Likewise.
11007 (sh_deferred_function_attributes): New variable.
11008 (sh_deferred_function_attributes_tail): Likewise.
11009 (print_operand): For '@', look up trap_exit attribute.
11010 (calc_live_regs): Look up trapa_handler attribute. For trapa
11011 handlers, save/restore fpscr, but don't do any other
11012 interrupt-specific saves.
11013 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11014 Fix check for partially saved registers to check for SHmedia.
11015 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11016 (sh_output_function_epilogue): Don't clear any of the removed
11018 (sh_insert_attributes): Don't check pragma_interrupt.
11019 Insert deferred attributes. Check that interrupt attribute is
11020 present for other attributes that require its presence.
11021 (sh_attribute_table): Add new attributes trapa_handler and
11023 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11024 Don't check for pragma_interrupt. Don't store argument.
11025 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11026 (sh_deferred_function_attributes): Declare.
11027 (sh_deferred_function_attributes_tail): Likewise.
11028 * sh.md (sp_switch_1): Add operand. Change generator caller.
11029 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11030 (*return_i): Don't use when trap_exit attribute is in effect.
11031 (*return_trapa): New insn pattern.
11032 * sh-c.c: New file.
11033 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11034 setting c_target_objs and cxx_target_objs.
11035 * t-sh: Add rule for sh-c.o.
11037 2006-01-30 Richard Guenther <rguenther@suse.de>
11040 * gimplify.c (gimplify_target_expr): Handle easy cases
11041 without creating a temporary.
11043 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11045 * vec.h (safe_grow): Remove duplicated line.
11047 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11050 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11051 (expand_omp): ... here.
11052 (expand_omp_parallel): Only remove barriers for combined
11053 parallel+workshare constructs.
11055 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11059 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11060 * tree.c (build_qualified_type): Chain the new type to the original
11061 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11062 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11063 (build_pointer_type_for_mode): Only return unqualified types.
11064 (build_reference_type_for_mode): Likewise.
11066 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11068 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11069 * Makefile.in (CXX_COMPAT_WARN): Define.
11070 * configure: Regenerate.
11072 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11075 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11078 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11080 * toplev.c: Fix thinko.
11082 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11083 Marcin Dalecki <martin@dalecki.de>
11085 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11086 (push_srcloc): Use XNEW.
11087 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11089 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11091 * df-core.c (df_set_blocks): Deleted all variable.
11093 2006-01-28 Ian Lance Taylor <ian@airs.com>
11095 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11096 cgraph_output_pending_asms.
11098 2006-01-28 Zack Weinberg <zackw@panix.com>
11100 * c.opt: Add -W(no-)overlength-strings.
11101 * doc/invoke.texi: Document it.
11102 * c-opts.c (c_common_handle_option): -pedantic implies
11103 -Woverlength-strings, if not explicitly disabled already.
11104 (c_common_post_options): -Woverlength-strings defaults to off, and
11105 is always off for C++.
11106 * c-common.c (fix_string_type): Issue warning about strings longer
11107 than is portable only if warn_overlength_strings. Rearrange code
11108 a little for clarity.
11109 * configure.in: Check for -Wno-overlength-strings as well before
11110 enabling -pedantic in stage 1.
11111 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11112 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11114 * genconditions.c (write_header, write_one_condition)
11115 (write_conditions, write_writer): Consolidate very long strings
11116 that were broken up to fit in C89 portable limit. Don't use
11117 printf when fputs will do.
11119 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11121 * combine.c (simplify_comparison <AND>): Check
11122 TRULY_NOOP_TRUNCATION before start using a subreg.
11124 * config/mips/mips.md (*branch_zero<mode>,
11125 *branch_zero<mode>_inverted, *branch_equality<mode>,
11126 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11127 Remove mode check from comparisons.
11129 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11131 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11133 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11135 * expmed.c (const_mult_add_overflow_p): Remove.
11136 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11138 * recog.c (validate_replace_rtx_subexp): Remove.
11139 * recog.h: Remove the prototype for
11140 validate_replace_rtx_subexp.
11142 * integrate.h: Remove the prototype for
11143 copy_decl_for_inlining.
11144 * rtl.h: Remove the prototype for mark_constant_function.
11145 * tree-vectorizer.h: Remove the prototype for
11146 vect_strip_conversion.
11148 * modulo-sched.c (create_partial_schedule,
11149 free_partial_schedule, reset_partial_schedule): Make them
11152 * hooks.c (hook_bool_rtx_int_false): Remove.
11153 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11155 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11157 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11158 and -mlong-double-128 are incompatible.
11159 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11160 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11161 (TARGET_LIBGCC2_CFLAGS): Define.
11162 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11163 (TARGET_LIBGCC2_CFLAGS): Same.
11164 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11166 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11169 * c-typeck.c (build_binary_op): Perform implicit casts of
11170 operands before shortening them.
11172 * cfgloopmanip.c (split_loop_bb): Remove.
11173 * cfgloop.h: Remove the prototype for split_loop_bb.
11175 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11176 * cfgloop.h: Remove the prototype for
11177 flow_loop_outside_edge_p.
11179 * emit-rtl.c (init_virtual_regs): Make it static.
11180 * function.h: Remove the prototype for init_virtual_regs.
11182 * recog.c (peephole2_optimize): Make it static.
11183 * recog.h: Remove the prototype for peephole2_optimize.
11185 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11187 * df-scan.c (df_record_entry_block_defs): Check if
11188 INCOMING_RETURN_ADDR_RTX is defined.
11190 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11191 Kenneth Zadeck <zadeck@naturalbridge.com>
11193 PR rtl-optimization/24762
11194 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11195 * targhooks.c (hook_void_bitmap): New hook prototype.
11196 * targhoohs.h (hook_void_bitmap): Ditto.
11197 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11198 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11199 * target.h (live_on_entry): New function pointer.
11200 * df-scan.c (df_all_hard_regs): Removed.
11201 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11202 (df_scan_free_internal): Added df->entry_block_defs.
11203 (df_scan_alloc): Ditto.
11204 (df_scan_dump): Ditto.
11205 (df_uses_record): Plumbed flag field properly thru calls.
11206 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11207 This part fixes PR24762.
11208 (df_bb_refs_record): Added code to make the frame and arg
11209 pointers live in EH blocks.
11210 (df_refs_record): Added call to df_record_entry_block_defs.
11211 (df_record_entry_block_defs): New function.
11212 * df-core.c: Added comments to describe new artifical defs.
11213 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11214 (entry_block_defs): New field in struct df.
11215 (df_all_hard_regs): Deleted.
11216 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11217 * df-problems.c (df_ru_bb_local_compute_process_def):
11218 Added code to handle artifical defs in the entry to a function.
11219 (df_ru_bb_local_compute): Ditto.
11220 (df_rd_bb_local_compute_process_def): Ditto.
11221 (df_rd_bb_local_compute): Ditto.
11222 (df_lr_bb_local_compute): Ditto.
11223 (df_ur_bb_local_compute): Ditto.
11224 (df_urec_bb_local_compute): Ditto.
11225 (df_chain_create_bb): Ditto.
11226 (df_ur_local_finalize): Removed entry.
11227 (df_urec_init): Ditto.
11228 (df_urec_local_finalize): Ditto.
11229 (df_ri_bb_compute): Added detection of last use of pseudos.
11230 * Makefile.in (df-scan.o): Updated dependencies.
11231 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11232 * config/mips/mips.c (mips_set_live_on_entry): Added.
11233 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11235 * dce.c (marked_insn_p): Added code to handle artifical defs.
11237 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11239 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11241 (_mm_cvtsi128_si64): Likewise.
11242 (_mm_cvtsd_si64): Likewise.
11243 (_mm_cvttsd_si64): Likewise.
11244 (_mm_cvtsi64_sd): Likewise.
11245 (_mm_cvtsi64_si128): Likewise.
11246 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11247 (_mm_cvtsi64_m64): Likewise.
11248 (_m_to_int64): Likewise.
11249 (_mm_cvtm64_si64): Likewise.
11250 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11251 (_mm_cvttss_si64): Likewise.
11252 (_mm_cvtsi64_ss): Likewise.
11253 (_mm_cvtss_f32): Likewise.
11255 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11257 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11258 for pragma redefine_extname.
11260 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11263 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11264 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11265 -mno-minimal-toc to previous content.
11266 (bispecs): Remove goal.
11267 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11268 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11269 compatibility aliases on powerpc-*-*gnu*.
11270 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11271 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11272 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11273 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11274 (ldblspecs): New goal.
11275 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11276 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11278 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11279 L_sf_to_tf or L_df_to_tf is defined.
11281 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11282 Alan Modra <amodra@bigpond.net.au>
11285 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11286 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11287 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11288 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11289 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11290 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11291 (rs6000_override_options): Initialize rs6000_ieeequad.
11292 Initialize TFmode format to ibm_extended_format if not
11294 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11296 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11297 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11298 (function_arg_advance): IBM long double passed in two FPRs, not
11300 (function_arg): IBM long double passed in FPRs.
11301 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11302 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11303 Only multireg GPR aligned.
11304 (rs6000_init_libfuncs): Enable IBM long double functions if not
11306 (rs6000_generate_compare): Use IBM long double compare if not
11308 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11309 (TARGET_IEEEQUAD): Define.
11310 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11311 not TARGET_IEEEQUAD.
11312 * config/rs6000/rs6000.md: Enable TFmode patterns if
11314 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11315 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11316 and -mlong-double-128 are incompatible.
11317 * doc/invoke.texi (-mabi): Collect options together. Add
11318 ibmlongdouble and ieeelongdouble.
11320 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11322 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11324 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11325 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11326 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11327 * rtl.h (rtunion_def): Remove rt_ptr.
11329 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11330 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11331 * config/i386/winnt.c (i386_pe_mark_dllexport)
11332 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11334 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11336 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11338 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11342 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11343 pthread_key_delete. From John David Anglin. gthrw-ify
11344 pthread_getunique_np only if it it's not a macro. Delete
11346 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11347 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11348 __gthread_objc_condition_signal, __gthread_key_delete): Add
11349 "__attribute__ ((__unused__))" to unused arguments.
11350 (__gthread_recursive_mutex_init_function): Add missing return.
11351 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11352 gthr-posix95.h: Use macro-based approach for name redirection
11353 on targets missing weakref.
11355 2006-01-26 Zack Weinberg <zackw@panix.com>
11357 * genconditions.c (write_header): In generated code, #ifdef out
11358 all includes and fake declarations, except includes of bconfig.h
11359 and system.h, unless GCC_VERSION >= 3001. Do not include
11360 gensupport.h in any case.
11361 (write_conditions): Generate a definition of struct c_test. Add
11362 a comment to the generated #endif.
11363 (write_one_condition): Escape backslashes in string too.
11364 (write_writer): Generated code must escape backslashes and quote
11365 marks (but not newlines) in the strings it writes.
11366 * Makefile.in (build/gencondmd.o): Update dependencies.
11368 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11371 * Makefile.in (insn-automata.o): Add header file dependencies.
11372 * genautomata.c: Add includes.
11374 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11377 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11379 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11381 * configure.ac: Expect target tools paths to be passed from the toplevel
11382 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11384 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11386 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11389 * c.opt (Wpointer-sign): Init to -1.
11390 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11391 OPT_pedantic, to 0 otherwise.
11392 * doc/invoke.texi: Update.
11394 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11396 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11397 constants provided by 80387 instructions in the destination mode.
11399 2006-01-26 Richard Guenther <rguenther@suse.de>
11400 Andrew Pinski <pinskia@physics.uc.edu>
11403 partial PR tree-opt/17064
11404 * tree-ssa-structalias.c (intra_create_variable_infos):
11405 Create heap variables for incoming parameters if
11406 flag_argument_noalias > 1.
11407 (find_what_p_points_to): Look through default defs of
11410 2006-01-26 Jeff Law <law@redhat.com>
11413 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11414 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11415 within the VR_RANGE, use the VR_RANGE as the result, not the
11417 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11418 bounds for the type.
11420 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11422 * tree-ssa-alias.c (maybe_create_global_var): Change
11423 subvar walking to an assertion that we don't have subvar'd variables.
11425 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11428 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11429 Use a new variable, inner. PARM_DECLs are always non-weak.
11431 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11433 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11434 --disable-checking.
11436 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11438 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11440 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11442 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11443 (smax_insn, smin_insn, smax_0, smin_0): New.
11445 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11448 * config/cris/cris.c (cris_order_for_addsi3): New function.
11449 * config/cris/cris-protos.h: Prototype it.
11450 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11451 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11452 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11453 (split for "op.S1 [rx=rx+i],ry (swapped)")
11454 (split for "op(s|u).S1 [rx=rx+i],ry")
11455 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11456 Apply cris_order_for_addsi3 when generating addsi3 insns.
11458 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11460 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11461 (TREE_BLOCK): Add call to EXPR_CHECK.
11463 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11466 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11467 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11468 (dump_omp_clauses): ... here.
11469 (dump_generic_node): Handle OMP_CLAUSE.
11470 * tree.c (omp_clause_num_ops): New.
11471 (omp_clause_code_name): New.
11472 (tree_code_size): Handle OMP_CLAUSE.
11473 (tree_size): Likewise.
11474 (make_node): Document handling of OMP_CLAUSE.
11475 (tree_node_structure): Handle OMP_CLAUSE.
11476 (omp_clause_check_failed): New.
11477 (omp_clause_range_check_failed): New.
11478 (omp_clause_operand_check_failed): New.
11479 (build_omp_clause): New.
11480 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11481 * tree.h (enum omp_clause_code): Declare.
11482 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11483 (OMP_CLAUSE_RANGE_CHECK): Define.
11484 (OMP_CLAUSE_ELT_CHECK): Define.
11485 (omp_clause_check_failed): Declare.
11486 (omp_clause_operand_check_failed): Declare.
11487 (omp_clause_range_check_failed): Declare.
11488 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11489 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11490 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11491 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11492 (OMP_CLAUSE_IF_EXPR): Likewise.
11493 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11494 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
11495 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
11496 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
11497 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
11498 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
11499 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
11500 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
11501 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
11502 (OMP_CLAUSE_CODE): Define.
11503 (OMP_CLAUSE_SET_CODE): Define.
11504 (OMP_CLAUSE_CODE): Define.
11505 (OMP_CLAUSE_OPERAND): Define.
11506 (struct tree_omp_clause): Declare.
11507 (union tree_node): Add field 'omp_clause'.
11508 * treestruct.def (TS_OMP_CLAUSE): Define.
11509 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
11510 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
11511 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
11512 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
11513 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
11514 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
11515 (OMP_CLAUSE): Define.
11516 * print-tree.c (print_node): Handle OMP_CLAUSE.
11517 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
11518 * c-typeck.c: Likewise.
11519 * gimplify.c: Likewise.
11520 * c-omp.c: Likewise.
11521 * tree-nested.c: Likewise.
11522 * tree-inline.c: Likewise.
11523 * c-parser.c: Likewise.
11524 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
11527 2006-01-25 Roger Sayle <roger@eyesopen.com>
11529 PR rtl-optimization/25703
11530 * combine.c (try_combine): Handle zero_extract and strict_low_part
11531 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
11533 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
11535 * global.c: Fix comment typos.
11537 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
11540 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
11541 Use output_addr_const instead of assemble_name.
11543 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
11545 * Makefile.in (sched-vis.o): Update dependencies.
11546 * haifa-sched.c (sched_finish): Clear current_sched_info.
11547 * cfg.c (dump_bb_info): New, split from dump_flow_info.
11548 (dump_flow_info): Call it.
11549 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
11551 * basic-block.h (dump_bb_info): Declare.
11552 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
11553 option, and apply options only for dump files whose TDF_RTL,
11554 TDF_TREE, or TDF_IPA bits match.
11555 * rtl.h: Declare new functions exported from sched-vis.c.
11556 * sched-vis.c: Enable also if scheduling is not used.
11557 (print_value): Print the mode of registers if not inside scheduling.
11558 (print_insn): Make it work outside the scheduler. Beautify the output
11560 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
11562 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11564 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
11565 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
11566 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
11567 depending on the value of CONSTANT_POOL_ADDRESS_P.
11568 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
11570 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
11571 rather than SYMBOL_REF_DECL.
11572 (rtx_constant_pool): Remove const_rtx_sym_htab.
11573 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
11574 (init_varasm_status): Don't initialize const_rtx_sym_htab.
11575 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
11576 Remove handling of const_rtx_sym_htab.
11577 (find_pool_constant): Delete.
11578 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
11579 rather than find_pool_constant.
11580 (get_pool_constant_for_function): Delete.
11581 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
11582 find_pool_constant.
11583 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
11584 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
11585 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
11586 (SYMBOL_REF_CONSTANT): New macro.
11587 (get_pool_constant_for_function): Delete.
11588 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
11589 rather than SYMBOL_REF_DECL.
11590 (i386_pe_mark_dllimport): Likewise.
11591 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
11592 rather than SYMBOL_REF_DECL.
11593 * config/darwin.c (machopic_indirect_data_reference): Likewise.
11594 (machopic_indirect_call_target): Likewise.
11596 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
11598 * flow.c (delete_noop_moves): Add missing EOL to dump message.
11600 2006-01-25 Richard Sandiford <richard@codesourcery.com>
11602 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
11604 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
11606 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
11608 2006-01-24 David Daney <ddaney@avtrex.com>
11611 * configure.ac (enable_tls): New enable option.
11612 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
11613 * configure: Regenerate.
11614 * doc/install.texi (--enable-tls): Document new option.
11615 (--disable-tls): Ditto.
11617 2006-01-24 Richard Henderson <rth@redehat.com>
11619 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
11620 * alias.c (true_dependence): Respect it.
11621 (canon_true_dependence, write_dependence_p): Likewise.
11622 * builtins.c (get_builtin_sync_mem): Set it.
11624 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
11626 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
11629 2006-01-24 DJ Delorie <dj@redhat.com>
11631 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
11632 for storing constants in single-bit bitfields.
11634 2006-01-25 Ben Elliston <bje@au.ibm.com>
11636 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
11638 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
11641 * tree-ssa-pre.c (phi_translate): Return NULL
11642 for AGGREGATE_TYPE's.
11644 2006-01-24 Zack Weinberg <zackw@panix.com>
11646 * genautomata.c (process_state_for_insn_equiv_partition):
11647 Use xcalloc for insn_arcs_array.
11648 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
11649 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
11651 2006-01-24 Richard Henderson <rth@redhat.com>
11653 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
11654 update all callers.
11656 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
11658 PR rtl-optimization/25890
11659 PR rtl-optimization/25905
11660 * combine.c (expand_compound_operation, expand_field_assignment):
11661 Fail if the bitfield's final position is out of bounds.
11663 2006-01-24 Ian Lance Taylor <ian@airs.com>
11665 PR middle-end/25930
11666 * cgraphunit.c (cgraph_output_in_order): Don't clear
11667 cgraph_asm_nodes until after asm strings have been output.
11669 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
11671 * fix-header.c (read_scan_file): Add new parameter imultilib when
11672 calling register_include_chains.
11674 2006-01-23 Diego Novillo <dnovillo@redhat.com>
11676 * omp-low.c: Update documentation.
11678 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11679 Daniel Berlin <dberlin@dberlin.org>
11683 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11684 return from the function.
11686 2006-01-22 Zack Weinberg <zackw@panix.com>
11688 * rtl.def (match_code): Add second argument.
11689 * genpreds.c (write_extract_subexp): New function.
11690 (write_match_code): Add path argument. Use write_extract_subexp.
11691 (write_predicate_expr): Pass path to write_match_code.
11692 (mark_mode_tests): MATCH_CODE applied to a subexpression does
11693 not perform a mode test.
11694 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
11695 a subexpression does not constrain the top-level code set.
11696 * read-rtl.c (read_rtx_variadic): New function.
11697 (read_rtx_1): Use it; allow AND and IOR to be variadic.
11698 * doc/md.texi: Document new notation.
11699 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
11700 (cmpsi_operand): ... here, using new notation.
11702 2006-01-22 Zack Weinberg <zackw@panix.com>
11704 * varray.c: Remove GENERATOR_FILE #ifdefs.
11706 2006-01-22 Zack Weinberg <zackw@panix.com>
11708 * genautomata.c (output_reserved_units_table): Emit nothing if
11709 description->query_units_num is zero. Remove extra blank line.
11710 (output_cpu_unit_reservation_p): Short circuit
11711 if description->query_units_num is zero.
11713 2006-01-22 Zack Weinberg <zackw@panix.com>
11715 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
11716 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
11717 nor any of the random handful of variables that used to be necessary
11718 when this program was linked with rtlanal.o. Prune set of forward
11719 function declarations.
11720 (struct attr_desc): Remove static_p field.
11721 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
11722 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
11723 (attr_string): Do not read the character one past the length of
11725 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
11726 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
11727 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
11728 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
11729 (make_automaton_attrs): New.
11730 (main): Do not call into genautomata. Call local gen_bypass
11731 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
11732 Remove special case for insn_alts.
11733 * genautomata.c: Include gensupport.h; not genattrtab.h nor
11734 varray.h (leftover from previous change). Prune set of forward
11735 function declarations. Remove state_alts fields from all
11736 structures. Remove state_alts_table from struct automaton.
11737 Make everything except main static. Do not maintain num_dfa_decls.
11738 Do not maintain state_alts fields of various structures.
11739 (process_decls): Don't validate condexp for dm_insn_reserv decls.
11740 (add_arc): Remove state_alts argument. All callers updated.
11741 (output_reserved_units_table): Emit #ifdef here...
11742 (output_tables): ...not here. Don't generate state_alts tables.
11743 (expand_automata): Don't generate attributes.
11744 (write_automata): Don't generate state_alts functions.
11745 (main): New function.
11746 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
11747 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
11748 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
11749 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
11750 (BYPASS_P_FUNC_NAME, output_state_alts_table)
11751 (output_automata_list_state_alts_code, output_internal_state_alts_func)
11752 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
11753 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
11755 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
11756 * genattrtab.h: Delete file.
11757 * Makefile.in (OBJS-common): Add insn-automata.o.
11758 (insn-automata.o): New rule.
11759 (simple_generated_c): Add insn-automata.c.
11760 (build/genattrtab.o, build/genautomata.o): Update dependencies.
11761 (genprogmd): Add automata.
11762 (build/genattrtab): Needs no extra objects nor libraries.
11763 (build/genautomata): Needs build/vec.o and -lm.
11765 2006-01-22 Zack Weinberg <zackw@panix.com>
11767 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
11768 (output_dfa_max_issue_rate, locked_states_num): Delete.
11769 (struct automaton): Add locked_states field.
11770 (output_dead_lock_vect): Save number of locked states in
11771 automaton->locked_states. If it is zero, don't print anything.
11772 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
11773 (output_internal_dead_lock_func): Only test the dead_lock_vect
11774 for automata that have locked states.
11775 (output_statistics): Always print the number of locked states for
11776 each automaton. Calculate total number of locked states here.
11777 (write_automata): Don't call output_dfa_max_issue_rate.
11778 * genattrtab.c: Define length_unit_log as a const variable.
11779 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
11780 max_insn_queue_index const.
11781 * final.c (length_unit_log): Declare const.
11782 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
11784 2006-01-22 Zack Weinberg <zackw@panix.com>
11786 * genautomata.c: Include vec.h, not varray.h.
11787 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
11788 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
11789 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
11790 VEC_* macros operating on appropriately typed vectors, or to
11791 malloced arrays when the size is known in advance. Const-ify
11792 many char* variables and function arguments. No functional changes.
11793 * Makefile.in (build/varray.o): Delete rule.
11794 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
11795 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
11797 2006-01-22 Zack Weinberg <zackw@panix.com>
11799 * gensupport.c: Define get_insn_name and record_insn_name here.
11800 (read_md_rtx): Call record_insn_name as appropriate.
11801 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
11802 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
11803 * genpreds.c, genrecog.c: Don't define get_insn_name nor
11805 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
11806 (BUILD_VARRAY): Delete.
11807 (genprognormal): Rename genprogmd. Fold in all programs from
11808 genprognoprint; also attrtab.
11809 (build/genattrtab): Just mention genautomata.o and varray.o.
11810 Reorganize a bit, add comments to make the categories clearer.
11812 2006-01-22 Zack Weinberg <zackw@panix.com>
11814 * genconditions.c (condition_table, add_condition): Delete.
11815 (write_conditions): Don't emit n_insn_conditions nor
11816 insn_elision_unavailable. Issue the gcc version #ifdef here,
11817 inside the table, with no #else clause ...
11818 (write_header): ...not here.
11819 (write_writer): New function.
11820 (main): Don't initialize condition_table. Use add_c_test.
11822 * gensupport.c (init_md_reader_args_cb): Handle multiple input
11823 files on the command line.
11824 (maybe_eval_c_test): Don't check insn_elision_unavailable.
11825 Return -1 if there is no entry in the table, don't abort.
11826 (add_c_test, traverse_c_tests): New functions.
11827 * gensupport.h (insn_elision_unavailable, insn_conditions)
11828 (n_insn_conditions): Delete declarations.
11829 (add_c_test, traverse_c_tests): Declare.
11830 * read-rtl.c: Include gensupport.h.
11831 (read_conditions): New function.
11832 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
11833 (read_rtx_1): If we get EOF when we were looking for an initial
11834 open paren, return 0. Call read_conditions when appropriate.
11835 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
11836 dummy-conditions.o. Eliminate references to insn-conditions.o,
11837 or change them to build/gencondmd.o, as appropriate. Remove
11838 insn-constants.h from $(simple_generated_h) and insn-conditions.c
11839 from $(simple_generated_c). For all files remaining in those
11840 two lists, add insn-conditions.md to the generator command line.
11841 Give insn-constants.h/s-constants their own rules. Add rules
11842 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
11843 (build/read-rtl.o): Depend on gensupport.h.
11844 (genprognormal): Include preds.
11845 (genprogearly): Rename genprognoprint; only difference is now that
11846 they don't link with $(BUILD_PRINT).
11847 * dummy-conditions.c: Delete.
11849 2006-01-22 Zack Weinberg <zackw@panix.com>
11851 * genextract.c: Don't include insn-config.h. Do include vec.h.
11852 Declare vectors of int, char, and locstr.
11853 (locstr): New typedef.
11854 (struct extraction): Make all array fields into bare pointers.
11855 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
11856 (insn_code_number): Delete.
11857 (accum_extract): New struct.
11858 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
11859 (gen_insn): Take insn_code_number as an argument. Use an
11860 accum_extract structure instead of loading data directly into
11861 a struct extraction, and having to know how big it might get.
11862 (walk_rtx): Operate entirely on an accum_extract structure.
11863 (print_path): Avoid unnecessary use of printf.
11864 (print_header): New function, split out of main. Distinguish
11865 more carefully between an unrecognizable insn and an insn that
11866 has the code number of a define_expand.
11867 (main): Pass insn_code_number to gen_insn. Call print_header
11868 only after parsing. Avoid unnecessary use of printf.
11869 * Makefile.in (build/vec.o): New rule.
11870 (build/genextract): Depend on build/vec.o.
11871 (build/genextract.o): Don't depend on insn-config.h.
11873 2006-01-22 Zack Weinberg <zackw@panix.com>
11875 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
11876 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
11877 practical. Eliminate per-generator-program link rules.
11879 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
11881 PR middle-end/24437
11882 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11883 with a call expr to ...
11884 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11886 2006-01-23 Richard Guenther <rguenther@suse.de>
11888 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
11889 before make_edge with conditional EDGE_TRUE_VALUE.
11891 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
11892 Jan Hubicka <jh@suse.cz>
11893 Richard Guenther <rguenther@suse.de>
11895 PR rtl-optimization/25654
11896 * cfgexpand.c (aggregate_contains_union_type): New function.
11897 (add_alias_set_conflicts): Call it. Make sure to add conflicts
11898 for structure variables that contain a union type.
11900 2006-01-23 Richard Sandiford <richard@codesourcery.com>
11902 * gengtype.c (new_structure): Return the structure.
11903 (create_option): Add an extra "next" argument.
11904 (create_field): New function.
11905 (adjust_field_rtx_def): Use create_option and create_field.
11906 Remove a now-unnecessary call to find_structure.
11907 (adjust_field_tree_def): Likewise.
11908 (note_yacc_type): Remove an unnecessary call to find_structure.
11909 * gengtype.h (new_structure): Return the structure.
11910 (create_option): Add an extra argument.
11911 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
11912 (option): Adjust calls to create_option.
11914 2006-01-22 David Edelsohn <edelsohn@gnu.org>
11916 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
11918 2006-01-22 Paul Brook <paul@codesourcery.com>
11919 Peter Barada <peter@the-baradas.com>
11921 * config/m68k/m68k.md: Add Coldfire FPU support.
11922 Define FP mode macro and associated attributes.
11923 Use it for float mode patterns.
11924 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
11925 (LIBCALL_VALUE): Use m68k_libcall_value.
11926 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
11927 (m68k_function_value): Ditto.
11928 (emit_move_sequence): Ditto.
11929 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
11930 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
11931 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
11932 (MULTILIB_EXCEPTIONS): Ditto.
11933 * config/m68k/m68k.opt: Add mcfv4e.
11934 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
11935 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
11936 (m68k_output_function_prologue): Save ColdFire FPU registers.
11937 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
11938 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
11939 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
11940 ColdFire FPU registers.
11941 (m68k_libcall_value, m68k_function_value): New functions.
11942 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
11943 (LIBCALL_VALUE): Use m68k_libcall_value.
11944 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
11945 (MASK_COLDFIRE): Add MASK_CFV4E.
11946 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
11947 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
11948 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
11949 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
11950 (GO_IF_LEGITIMATE_ADDRESS): Use it.
11951 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
11952 * doc/invoke.tex: Document -mcfv4e on m68k.
11954 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
11956 * doc/contribute.texi: Change CVS to SVN and update the corresponding
11959 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
11962 * c-opts.c (c_common_handle_option): Don't include
11963 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
11964 * doc/invoke.texi (C++ Dialect Options): Document that
11965 -Wnon-virtual-dtor is no longer included in -Wall.
11967 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
11969 * gcov.c (print_version), gcov-dump.c (print_version),
11970 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
11973 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
11975 * df-scan.c (problem_SCAN): Added NULL reset function.
11976 (df_scan_reset_blocks): Added code to call reset block function
11977 (df_bb_refs_delete) Fixed comment.
11978 (df_insn_refs_delete): Made tolerant of deleting non existent info
11979 for dataflow problems that need to be reset.
11980 * df-core.c (df_set_blocks): Ditto.
11981 * df.h (struct df_problem): Added reset_fun.
11982 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
11983 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
11984 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
11985 functions to clear out all references to def-use or use-def chains.
11987 2006-01-21 Ben Elliston <bje@au.ibm.com>
11989 * varasm.c (assemble_real): Initialise data array.
11991 2006-01-20 Paul Brook <paul@codesourcery.com>
11993 Merge from csl-arm-branch.
11994 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
11995 * config/arm/arm.md (movdi): Force operands[1] to a register
11996 if we have a non-register source.
11997 (*arm_movdi, *movdf_soft_insn): Require that one of the
11998 operands be a register.
11999 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12000 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12002 2006-01-20 DJ Delorie <dj@redhat.com>
12004 * varasm.c (initializer_constant_valid_p): Allow pointers
12005 initialized from integer constants of lesser precision.
12006 (output_constant): Allow non-int-sized pointer modes to be
12007 initialized from integer constants.
12009 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12012 * cppdefault.h (struct default_include): Add multilib flag.
12013 * cppdefault.c (cpp_include_defaults): Set it.
12014 * c.opt (-imultilib): New option.
12015 * c-opts.c (imultilib): New.
12016 (c_common_handle_option): Handle -imultilib.
12017 (c_common_post_options): Likewise.
12018 * c-incpath.c (add_standard_paths, register_include_chains):
12020 * c-incpath.h (register_include_chains): Add extra parameter.
12021 * gcc.c (do_spec_1): Generate -imultilib option.
12022 (The Specs Language): Update %I description.
12023 (process_command): Update copyright notice.
12024 * doc/cppopts.texi (-imultilib): Document.
12025 * doc/invoke.texi (-imultilib): Include in option summary.
12026 (%I): Update specs documentation.
12028 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12030 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12032 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12034 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12037 2006-01-20 Richard Guenther <rguenther@suse.de>
12038 Steven Bosscher <stevenb.gcc@gmail.com>
12040 PR rtl-optimization/24626
12041 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12042 EDGE_TRUE_VALUE if in RTL mode.
12045 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12046 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12048 2006-01-20 Dirk Mueller <dmueller@suse.com>
12051 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12052 instead of a special NOP marker.
12053 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12054 NOP marker handling.
12055 * c-common.h (empty_body_warning): Add forward declaration.
12056 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12057 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12059 2006-01-20 Paul Brook <paul@codesourcery.com>
12061 * Makefile.in (lang_checks): Keep going if mkdir fails.
12063 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12065 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12066 be able to clean out basic block when not necessary.
12067 (df_scan_free): Fixed to properly delete information if df is
12068 unused before calling df_finish.
12069 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12070 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12072 (df_bb_refs_delete): New function.
12073 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12074 * df-core.c (df_set_blocks): Added code to properly clean out
12075 unused blocks if they are not part of the blocks to consider.
12076 Added additional null check.
12077 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12078 be able to clean out basic block when not necessary
12079 * df.h (df_free_bb_function): Ditto.
12080 (df_bb_refs_delete): New function.
12081 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12082 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12083 basic block parameter to be able to clean out basic block when not
12085 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12086 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12087 Fixed to properly delete information if df is unused before
12090 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12092 PR rtl-optimization/25799
12093 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12094 Corrected confluence operator to remove bits from op2 before oring
12095 with op1 rather than removing bits from op1.
12096 (df_ru_transfer_function): Corrected test on wrong bitmap which
12097 caused infinite loop. Both of these problems were introduced in
12098 the dataflow rewrite.
12100 2006-01-19 DJ Delorie <dj@redhat.com>
12102 * reload1.c (find_reload_regs): Note the details of reload
12103 failures in the dump file.
12104 (spill_failure): Likewise.
12106 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12108 * loop-iv.c: Include df.h and hashtab.h.
12109 (enum iv_grd_result): New enum.
12110 (DF_REF_IV, DF_REF_IV_SET): New macros.
12111 (struct biv_entry): New.
12112 (df, bivs): New global variables.
12113 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12114 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12116 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12117 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12118 analyzed_for_bivness_p, record_biv): New functions.
12119 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12120 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12121 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12123 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12125 (iv_number_of_iterations): Use new interface to iv analysis.
12126 * loop-unroll.c: Do not include varray.h.
12127 (analyze_iv_to_split_insn): Use new interface to iv
12129 * loop-unswitch.c (may_unswitch_on): Ditto.
12130 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12132 (df_bb_modify): Realloc tables to the new index.
12133 (df_find_use): New function.
12134 * df.h (df_find_use): Declare.
12135 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12137 * cfgloop.h (struct rtx_iv): Remove analysed field.
12138 (iv_get_reaching_def): Removed.
12139 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12140 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12141 (loop-iv.o): Add df.h and hashtab.h dependency.
12142 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12144 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12147 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12149 (__floatundisf, __floatundidf): Likewise.
12150 * libgcc2.h (IS_IBM_EXTENDED): Define.
12152 2006-01-19 DJ Delorie <dj@redhat.com>
12154 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12156 2006-01-19 Paul Brook <paul@codesourcery.com>
12158 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12159 as nothrow when unwinding tables are disabled.
12161 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12164 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12165 of bit-field" when in system header.
12167 2006-01-19 DJ Delorie <dj@redhat.com>
12169 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12170 the 16 bit shift limit of the m16c.
12172 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12175 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12176 * config/i386/i386.c (output_set_got): Output the label if we have one
12177 for the TARGET_DEEP_BRANCH_PREDICTION case.
12179 2006-01-19 Jan Hubicka <jh@suse.cz>
12180 H.J. Lu <hongjiu.lu@intel.com>
12181 Evandro Menezes <evandro.menezes@amd.com>
12183 * invoke.texi (generic): Document
12185 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12186 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12187 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12188 (x86_use_incdec, x86_pad_returns): New variables
12189 (TARGET_CPU_DEFAULT_generic): New constant
12190 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12191 (enum processor_type): Add generic32 and generic64.
12192 * i386.md (cpu attribute): Add generic32/generic64
12193 (movhi splitter): Behave sanely when both partial_reg_dependency and
12194 partial_reg_stall are set.
12195 (K8 splitters): Enable for generic as well.
12196 * predicates.md (incdec_operand): Use TARGET_INCDEC
12197 (aligned_operand): Avoid memory mismatch stalls.
12198 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12199 * ppro.md: Enable for generic32
12200 * i386.c (generic64_cost, generic32_cost): New.
12201 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12202 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12203 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12204 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12205 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12206 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12207 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12208 x86_accumulate_outgoing_args, x86_prologue_using_move,
12209 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12210 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12211 Enable for generic.
12212 (x86_use_incdec, x86_pad_returns): New.
12213 (override_options): Add generic32 and generic64, translate "generic"
12214 to generic32/generic64 and "i686" to "generic32", refuse
12215 "generic32"/"generic64" as arch target.
12216 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12217 (ix86_reorg): Honor PAD_RETURNS.
12219 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12221 * tree-pretty-print.c (dump_generic_node): Handle
12222 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12223 * cgraph.c (cgraph_expand_queue): Rename from
12224 cgraph_analyze_queue. Update all users.
12225 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12226 cgraph_expand_queue.
12227 (cgraph_expand_all_functions): Likewise.
12228 (cgraph_finalize_pending_functions): Remove. Update callers.
12230 * tree.h (OMP_DIRECTIVE_P): Define.
12231 (OMP_PARALLEL_FN): Define.
12232 (OMP_PARALLEL_DATA_ARG): Define.
12233 (OMP_SECTIONS_SECTIONS): Define.
12234 * tree-pass.h (pass_expand_omp): Declare.
12235 * omp-low.c (struct omp_region): Declare.
12236 (struct omp_context): Remove fields 'parallel_type',
12237 'parallel_start_ix' and 'parallel_start_additional_args'.
12239 (struct omp_for_data): Rename from struct expand_omp_for_data.
12240 (omp_regions): New static variable.
12241 (root_omp_region): New static variable.
12242 (find_omp_clause): Make static.
12243 (is_in_combined_parallel_ctx): Remove.
12244 (is_combined_parallel): New.
12245 (extract_omp_for_data): Move earlier in the file.
12246 (workshare_safe_to_combine_p): New.
12247 (get_ws_args_for): New.
12248 (determine_parallel_type): Move earlier in the file.
12249 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12251 (omp_copy_decl): Likewise.
12252 (create_omp_child_function): Likewise.
12253 (lookup_omp_region): New.
12254 (dump_omp_region): New.
12255 (debug_omp_region): New.
12256 (debug_all_omp_regions): New.
12257 (new_omp_region): New.
12258 (scan_omp_parallel): If parallel_nesting_level > 1, the
12259 directive is nested within another parallel directive.
12260 Set OMP_PARALLEL_FN.
12261 (scan_omp_for): Do not try to handle combined parallel+for
12263 Remove FIXME comment.
12264 (scan_omp_nested): Remove.
12265 (scan_omp_1): Do not call scan_omp_nested when
12266 parallel_nesting_level is > 1.
12267 Do not change the DECL_CONTEXT of local variables found.
12268 (lookup_decl_in_outer_ctx): New.
12269 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12270 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12271 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12272 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12273 If CTX is nested, lookup VAR in the outer context when
12274 building copy assignment.
12275 (lower_send_clauses): Rename from expand_send_clauses.
12276 If CTX is nested, lookup VAR in the outer context when
12277 building copy assignments.
12278 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12279 If CTX is nested, lookup VAR in the outer context when
12280 building copy assignments.
12281 (expand_parallel_call): Rename from build_parallel_call.
12282 Handle combined parallel+workshare cases.
12283 Re-implement to emit code into the CFG.
12285 (expand_omp_parallel): Re-implement to emit code into the CFG.
12286 Call move_sese_region_to_fn to outline the sub-graph
12287 containing the parallel region.
12288 (expand_omp_for_1): Remove.
12289 (expand_omp_for_generic): Re-implement to emit code into the
12291 (expand_omp_for_static_nochunk): Likewise.
12292 (expand_omp_for_static_chunk): Likewise.
12293 (expand_omp_for): Likewise.
12294 (expand_omp_sections): Likewise.
12295 (remove_exit_barriers): New.
12296 (expand_omp_synch): New.
12298 (build_omp_regions_1): New.
12299 (build_omp_regions): New.
12300 (execute_expand_omp): New.
12301 (gate_expand_omp): New.
12302 (pass_expand_omp): Define.
12303 (lower_omp_sections): Rename from expand_omp_sections.
12304 Set OMP_SECTIONS_SECTIONS.
12305 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12306 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12307 (lower_omp_single): Rename from expand_omp_simple.
12308 (lower_omp_master): Rename from expand_omp_master.
12309 (lower_omp_ordered): Rename from expand_omp_ordered.
12310 (lower_omp_critical): Rename from expand_omp_critical.
12311 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12312 (lower_omp_for): Re-implement.
12313 (lower_omp_parallel): Re-implement.
12314 (lower_regimplify): Rename from expand_regimplify.
12315 (lower_omp_1): Rename from expand_omp_1.
12316 If there are syntax errors in the program, replace every
12317 OpenMP directive with NOP.
12318 Call lower_omp_* instead of expand_omp_*.
12319 (lower_omp): Rename from expand_omp.
12321 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12322 * tree-gimple.h (enum omp_parallel_type): Remove.
12323 (gimple_boolify): Declare extern.
12324 (find_omp_clause, determine_parallel_type): Remove.
12326 * gimple-low.c (lower_omp_directive): New.
12327 (lower_stmt): Call it.
12328 (record_vars_into): Move from ...
12329 (record_vars): ... here.
12330 Call record_vars_into with current_function_decl.
12332 * gimplify.c (struct gimplify_ctx): Remove fields
12333 combined_pre_p and combined_ctxp. Update users.
12334 (get_formal_tmp_var): Add documentation.
12335 (gimple_boolify): Make extern.
12336 (gimplify_expr_in_ctx): Remove. Update callers.
12337 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12338 will always be a BIND_EXPR.
12339 (gimplify_expr): Handle OMP_RETURN_EXPR.
12340 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12341 (OMP_PARALLEL): Add 3 operands.
12342 (OMP_SECTIONS): Add 1 operand.
12343 (OMP_RETURN_EXPR): Define.
12345 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12346 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12347 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12348 creating a circular free list.
12349 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12351 * tree-flow.h (move_sese_region_to_fn): Declare.
12352 (record_vars_into): Declare.
12353 * tree-cfg.c (make_omp_sections_edges): New.
12354 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12355 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12356 OMP_SECTIONS and OMP_SECTION.
12357 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12358 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12359 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12360 (gather_blocks_in_sese_region): New.
12361 (struct move_stmt_d): Declare.
12362 (move_stmt_r): New.
12363 (move_block_to_fn): New.
12364 (move_sese_region_to_fn): New.
12366 * passes.c (init_optimization_passes): Schedule
12367 pass_expand_omp after pass_init_datastructures.
12369 * tree-ssa-operands.c (get_expr_operands): Handle
12370 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12371 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12373 2006-01-19 Jeff Law <law@redhat.com>
12375 * tree-vrp.c (extract_range_from_assert): Refine the result range
12376 if the variable referenced by the ASSERT_EXPR has a range and
12377 either the tentative result range or the previous range is a
12380 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12382 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12384 2006-01-19 Jan Hubicka <jh@suse.cz>
12386 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12388 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12390 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12391 (expand_compound_operation, expand_field_assignment): Fail if the
12392 bit lengths of an extract operation are out of range.
12393 (make_extraction): Compute wanted_inner_mode based on the position
12394 and length of the extraction. Make it extraction_mode for non-constant
12395 positions, and do not modify offset in that case. When generating a
12396 new MEM, use a mode that can hold the extraction while keeping correct
12397 alignment. Remove code that supported MEMs wrapped by USEs.
12398 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12400 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12402 * config/s390/s390.md ("Y", "y"): New mode attribute.
12403 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12404 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12405 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12406 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12407 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12408 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12409 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12410 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12411 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12412 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12413 "addsi3", "subsi3"): Insn patterns removed.
12414 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12415 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12416 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12417 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12418 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12419 "*sub<mode>3_cconly2"): New insn patterns.
12420 ("addsi3", "subsi3"): New expanders.
12422 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12424 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12425 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12426 existing STMT_VINFO_VECTYPE if available.
12427 (vect_mark_relevant): Add special handling for stmts that are
12428 marked as STMT_VINFO_IN_PATTERN_P.
12429 (vect_analyze_loop): Call vect_pattern_recog.
12430 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12431 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12433 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12434 (vect_recog_func_ptr): New function-pointer type.
12435 * tree-vect-patterns.c: New file.
12436 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12437 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12438 (vect_pattern_recog_1): New functions.
12439 (vect_pattern_recog_funcs): New array of function pointers.
12441 * tree-vectorizer.h (ternary_op): New enum value.
12442 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12443 declaration. Revised documentation. Removed redundant dump prints.
12444 Removed redundant argument. Added support for reduction patterns.
12445 (vectorizable_reduction): Added support for reduction patterns.
12446 (vect_transform_stmt): Added support for patterns.
12448 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12449 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12450 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12451 (expand_widen_pattern_expr): New function.
12452 (init_optabs): Initialize new optabs udot_prod_optab,
12454 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12455 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12456 (expand_widen_pattern_expr): New function declaration.
12457 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12459 * tree-inline.c (estimate_num_insns_1): Added cases for new
12460 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12461 * tree-pretty-print.c (dump_generic_node): Likewise.
12462 (op_prio): Likewise.
12463 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12464 * tree-ssa-operands.c (get_expr_operands): Added case for
12466 * tree-vect-patterns.c (widened_name_p): New function.
12467 (vect_recog_dot_prod_pattern): Added function implementation.
12468 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12469 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12470 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12471 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12473 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12474 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12475 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12476 (init_optabs): Initialize new optabs widen_ssum_optab,
12478 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12479 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12480 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12481 use instead of type of def.
12482 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12483 function implementation.
12484 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12485 widen_ssumv8hi): New.
12487 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12490 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12493 * c-decl.c (add_flexible_array_elts_to_size): New function.
12494 (finish_decl): Use it.
12496 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
12498 * diagnostic.h: Include options.h.
12499 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
12500 dependancies for diagnostic.h.
12501 * Makefile.in (DIAGNOSTIC_H): Add options.h.
12503 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
12505 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
12506 (ssa_ro_call_cache_valid): Ditto.
12507 * tree-ssa-alias.c (sort_tags_by_id): New function.
12508 (init_transitive_clobber_worklist): Ditto.
12509 (add_to_worklist): Ditto.
12510 (mark_aliases_call_clobbered): Ditto.
12511 (compute_tag_properties): Ditto.
12512 (set_initial_properties): Ditto.
12513 (compute_call_clobbered): Ditto.
12514 (compute_may_aliases): Call compute_call_clobbered and grouping.
12515 (compute_flow_sensitive_aliasing): Remove clobbering related code.
12516 (compute_flow_insensitive_aliasing): Grouping now happens in our
12518 (setup_pointers_and_addressables): Remove clobbering related code.
12519 (add_may_alias): Ditto.
12520 (replace_may_alias): Ditto.
12521 (get_nmt_for): Ditto.
12522 (create_global_var):
12523 (is_escape_site): Return an escape_type enumeration.
12524 * tree-flow-inline.h (is_call_clobbered): Global var does not
12525 imply call clobbered.
12526 (mark_call_clobbered): Take a reason for marking this. Remove
12527 marking of globalness, and cache invalidation.
12528 (clear_call_clobbered): Remove cache invalidation code.
12529 * tree-dfa.c (dump_variable): If details is on, dump the reason
12531 * tree-outof-ssa.c (create_temp): Copy escape mask from original
12533 * tree-flow.h (struct ptr_info_def): Add escape mask member.
12534 (struct var_ann_d): Ditto.
12535 (enum escape_type): New.
12536 (mark_call_clobbered): Adjust prototype.
12537 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
12538 are never call clobbered.
12539 Record reasons for escaping.
12540 * tree-ssa-structalias.h (is_escape_site): Update prototype.
12541 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
12542 (ssa_ro_call_cache_valid): Ditto.
12543 (clobbered_v_may_defs): Ditto.
12544 (clobbered_vuses): Ditto.
12545 (ro_call_vuses): Ditto.
12546 (clobber_stats): New.
12547 (init_ssa_operands): Zero out clobber stats.
12548 (fini_ssa_operands): Print out clobber stats.
12549 (get_call_expr_operands): Pass callee fndecl to
12550 add_call_read_ops).
12551 (add_call_clobber_ops): Remove use of cache.
12552 Add use of PURE_CONST information.
12553 (add_call_read_ops): Remove use of cache.
12554 Add use of static not_read information.
12556 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
12558 Introduce TLS descriptors for i386 and x86_64.
12559 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
12560 (TARGET_ANY_GNU_TLS): New macro.
12561 (enum tls_dialect): Added TLS_DIALECT_GNU2.
12562 (struct machine_function): Add tls_descriptor_call_expanded_p.
12563 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
12564 (ix86_current_function_calls_tls_descriptor): Likewise.
12565 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
12566 (override_options): Introduce gnu2 tls dialect.
12567 (ix86_frame_pointer_required): Functions containing TLSCALLs are
12569 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
12571 (legitimize_tls_address): Adjust logic for GNU2 TLS.
12572 (ix86_init_machine_status): Initialize new field.
12573 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
12574 (ix86_tls_module_base): New.
12575 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
12576 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
12577 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
12578 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
12579 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
12580 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
12581 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
12582 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
12583 * config/i386/predicates.md (tls_modbase_operand): New.
12584 (tp_or_register_operand): New.
12586 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
12588 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
12589 (look_for_address_of): Ditto.
12590 (ipa_init): Walk the function decls.
12591 (static_execute): Don't set readonly on FUNCTION_DECL's.
12593 2006-01-18 Roger Sayle <roger@eyesopen.com>
12595 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
12596 for shifts where the source and destination registers are different.
12598 2006-01-18 Paul Brook <paul@codesourcery.com>
12600 Merge from csl-arm-branch.
12601 2005-03-14 Julian Brown <julian@codesourcery.com>
12602 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
12603 (aeabi_llsl): Likewise.
12604 (ashrdi3): Likewise.
12605 (aeabi_lasr): Likewise.
12606 (lshrdi3): Likewise.
12607 (aeabi_llsr): Likewise.
12608 2005-03-10 Julian Brown <julian@codesourcery.com>
12609 * config.gcc: Disable shared libgcc for SymbianOS.
12610 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
12612 2006-01-18 DJ Delorie <dj@redhat.com>
12614 * c-pragma.c (handle_pragma_diagnostic): New.
12615 (init_pragma): Register it.
12616 * doc/extend.texi: Document it.
12618 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
12619 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
12620 (diagnostic_context): Add classify_diagnostic[].
12621 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
12622 as errors if they're overridden to DK_WARNING.
12623 (diagnostic_initialize): Initialize classify_diagnostic[].
12624 (diagnostic_set_kind_override): New.
12625 (diagnostic_report_diagnostic): Check for kind changes.
12626 * opts.c (common_handle_option): Take lang_mask. Update callers.
12627 Handle OPT_Werror_.
12628 * common.opt (Werror=): New.
12629 * doc/invoke.texi: Document -Werror=*
12631 2006-01-18 Jeff Law <law@redhat.com>
12633 * tree-vrp.c (test_for_singularity): Correct test for new
12634 min limit. Use operand_equal_p rather than pointer equality
12635 for testing if new min/max values are equal.
12637 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
12638 using range information until after propagation and folding.
12640 2006-01-18 Richard Henderson <rth@redhat.com>
12641 Aldy Hernandez <aldyh@redhat.com>
12642 Jakub Jelinek <jakub@redhat.com>
12643 Diego Novillo <dnovillo@redhat.com>
12645 * omp-low.c: New file.
12646 * c-omp.c: New file.
12648 2006-01-18 Richard Henderson <rth@redhat.com>
12649 Jakub Jelinek <jakub@redhat.com>
12650 Diego Novillo <dnovillo@redhat.com>
12652 * doc/invoke.texi: Document -fopenmp.
12653 * tree-dump.h (debug_function): Declare.
12654 * hooks.c (hook_bool_tree_bool_false): New function.
12655 (hook_tree_tree_null): Remove.
12656 (hook_tree_tree_tree_null): New.
12657 * hooks.h: Update to match.
12658 * tree-pretty-print.c (debug_tree_chain): New.
12659 (print_generic_expr): Handle TDF_CHAIN.
12660 (dump_generic_node): Handle BLOCK.
12661 Do not abort with incomplete SWITCH_EXPRs.
12662 Do not dump body of an OpenMP directive if TDF_SLIM is given.
12663 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
12664 print space after directive name.
12665 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
12666 Handle OMP_MASTER and OMP_ORDERED.
12667 Handle printing of OMP_BODY just in one place, goto
12668 dump_omp_body in the rest of OMP_* nodes that have
12670 Don't handle clause nodes here. Update omp statements to
12671 use dump_omp_clauses.
12672 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
12673 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
12674 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
12675 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
12676 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
12677 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
12678 Adjust output for GOMP_PARALLEL.
12679 (dump_omp_clauses): New.
12680 (print_declaration): Dump DECL_VALUE_EXPR.
12681 (op_symbol_1): Split out of op_symbol.
12682 (dumping_stmts): Remove. Update all users.
12683 * cgraph.c (cgraph_analyze_queue): New.
12684 (cgraph_add_new_function): New.
12685 * cgraph.h (cgraph_analyze_queue): Declare.
12686 (cgraph_add_new_function): Declare.
12687 (cgraph_lower_function): Remove.
12688 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
12689 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
12690 and TYPE_P nodes in its default clause.
12691 (empty_body_p): New.
12692 (tree_range_check_failed): New.
12693 (build5_stat): New.
12694 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
12695 OMP_CLAUSE_REDUCTION_MERGE,
12696 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
12697 OMP_CLAUSE_PRIVATE_DEBUG,
12698 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
12699 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
12700 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
12701 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
12702 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
12703 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
12704 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
12705 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
12706 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
12707 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
12708 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
12709 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
12710 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
12711 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
12712 (TREE_RANGE_CHECK): New.
12713 (empty_body_p): Declare.
12714 (enum omp_clause_default_kind): New.
12715 (build_string_literal): Declare.
12716 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
12717 (build5_stat, build5): Declare.
12718 * tree-pass.h (TDF_CHAIN): Define.
12719 * tree-pass.h (PROP_gimple_lomp): Define.
12720 (pass_lower_omp): Declare.
12721 * diagnostic.h (debug_tree_chain): Declare.
12722 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
12724 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
12725 * builtins.c (build_string_literal): Make extern.
12726 * gcc.c (include_spec_function): New.
12727 (static_spec_functions): Add it.
12728 (main): Move load of libgomp.spec ...
12729 (LINK_COMMAND_SPEC): ... here.
12730 (link_gomp_spec): New.
12731 (static_specs): Include it.
12732 (LINK_COMMAND_SPEC): Add link_gomp.
12733 (GOMP_SELF_SPECS): New.
12734 (driver_self_specs): Include it.
12735 (switch_matches): Don't mark inline.
12736 (main): Load libgomp.spec.
12737 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
12738 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
12739 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
12740 * tree-gimple.h (enum omp_parallel): Declare.
12741 (determine_parallel_type): Declare.
12742 (omp_firstprivatize_variable): Declare.
12743 (omp_reduction_init): Declare.
12744 (diagnose_omp_structured_block_errors): Declare.
12745 (struct walk_stmt_info): Add want_return_expr.
12746 (struct walk_stmt_info): Add want_bind_expr, want_locations.
12747 (find_omp_clause): Declare.
12748 (insert_field_into_struct): Declare.
12749 (struct walk_stmt_info): Move from tree-nested.c
12750 (walk_stmts): Declare.
12751 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
12753 * cgraphunit.c (cgraph_lower_function): Make static.
12754 (cgraph_finalize_pending_functions): New.
12755 (cgraph_finalize_function): Call it.
12756 (cgraph_finalize_compilation_unit): Likewise.
12757 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
12758 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
12759 (BT_FN_UINT_UINT): New.
12760 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
12761 DEF_FUNCTION_TYPE_VAR_4): Document.
12762 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
12763 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
12764 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
12765 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
12766 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
12767 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
12768 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
12769 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
12770 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
12771 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
12772 into separate files.
12773 (DEF_GOMP_BUILTIN): New.
12774 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
12775 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
12776 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
12777 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
12778 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
12779 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
12780 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
12781 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
12782 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
12783 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
12784 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
12785 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
12786 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
12787 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
12788 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
12789 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
12790 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
12791 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
12792 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
12793 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
12794 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
12795 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
12796 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
12797 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
12798 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
12799 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
12800 * sync-builtins.def: New file, moved from builtins.def.
12801 * omp-builtins.def: New file, moved from builtins.def.
12802 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
12803 * gimple-low.c (lower_function_body): Clear data.
12804 (lower_stmt): Do not handle COMPOUND_EXPR.
12805 Remove call to print_node_brief.
12806 * c-tree.h (c_finish_omp_clauses): New prototype.
12807 (C_DECL_THREADPRIVATE_P): Define.
12808 (lookup_name_no_remap, c_omp_remap_private): Remove
12809 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
12810 (check_for_loop_decls): Update decl.
12811 (lookup_name_no_remap, c_omp_remap_private): Declare.
12812 (build_indirect_ref, build_modify_expr, pushdecl,
12813 pushdecl_top_level): Move to c-common.h.
12814 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
12815 before the switch, but just in the 2 places that need it.
12816 * c-decl.c (diagnose_mismatched_decls): Do not check for
12817 mismatched thread-local attributes when OLDDECL is marked
12818 threadprivate and NEWDECL has no thread-local attributes.
12819 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
12820 (c_gimple_diagnostics_recursively): Rename from
12821 c_warn_unused_result_recursively. Invoke
12822 diagnose_omp_structured_block_errors.
12823 (check_for_loop_decls): Return a singular decl found.
12824 * langhooks.c (lhd_omp_predetermined_sharing): Return
12825 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
12826 (lhd_omp_firstprivatize_type_sizes): New.
12827 (lhd_omp_assignment): New.
12828 (lhd_omp_predetermined_sharing): New.
12829 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
12830 (struct lang_hooks_for_types): Add
12831 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
12832 omp_predetermined_sharing, omp_disregard_value_expr,
12833 omp_private_debug_clause, omp_clause_default_ctor,
12834 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
12835 (c_finish_omp_clauses): New.
12836 (c_finish_bc_stmt): Diagnose break within omp for.
12837 (c_begin_omp_parallel, c_finish_omp_parallel): New.
12838 (build_unary_op): Return error_mark after reporting
12840 (build_modify_expr): Likewise.
12841 * gimplify.c: Include optabs.h and pointer-set.h.
12842 (enum gimplify_omp_var_data): Declare.
12843 (struct gimplify_omp_ctx): Declare.
12844 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
12846 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
12847 (push_gimplify_context, pop_gimplify_context): Allow nesting.
12848 (splay_tree_compare_decl_uid): New.
12849 (new_omp_context): New.
12850 (delete_omp_context): New.
12851 (gimple_add_tmp_var): Call omp_add_variable.
12852 (gimplify_bind_expr): Likewise.
12853 (gimplify_var_or_parm_decl): If omp_notice_variable returned
12854 true, disregard DECL_VALUE_EXPR on the decl if any.
12855 (gimplify_expr_in_ctx): New.
12856 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
12857 omp_add_variable, omp_notice_variable, omp_is_private
12858 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
12859 gimplify_adjust_omp_clauses, gimplify_omp_parallel
12860 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
12861 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
12862 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
12863 gimplify_omp_atomic): New.
12864 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12865 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12866 OMP_CRITICAL and OMP_ATOMIC.
12867 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
12868 * c-pragma.h (enum pragma_kind): Add
12869 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
12870 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
12871 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
12872 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
12873 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
12874 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
12875 PRAGMA_OMP_THREADPRIVATE.
12876 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
12877 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
12878 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
12879 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
12880 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
12881 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
12882 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
12883 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
12884 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
12885 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
12886 * tree-ssa-dce.c (find_control_dependence): Do not assume that
12887 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
12888 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
12890 (struct nesting_info): Add field_map,
12891 suppress_expansion, debug_var_chain.
12892 (create_nesting_tree): Initialize them.
12893 (lookup_field_for_decl): Use field_map.
12894 (get_nonlocal_debug_decl, get_local_debug_decl): New.
12895 (convert_local_omp_clauses): New.
12896 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
12897 (walk_body): Split out of walk_function.
12898 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
12899 (convert_nonlocal_reference): Handle omp statements.
12900 (convert_local_reference): Likewise.
12901 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
12902 (unnest_nesting_tree): New.
12903 (lower_nested_functions): Call it.
12904 (insert_field_into_struct): Make extern.
12905 (struct walk_stmt_info): Move to tree-gimple.h.
12906 (walk_stmts): Make extern.
12907 * omp-builtins.def: New file.
12908 * tree-iterator.c (expr_only): Clarify comment.
12909 * c-common.h (pushdecl_top_level, pushdecl,
12910 build_modify_expr, build_indirect_ref,
12911 c_finish_omp_master, c_finish_omp_critical,
12912 c_finish_omp_ordered, c_finish_omp_barrier,
12913 c_finish_omp_atomic, c_finish_omp_flush,
12914 c_finish_omp_for, c_split_parallel_clauses,
12915 omp_clause_default_kind, c_omp_sharing_predetermined,
12916 c_omp_remap_decl): Declare.
12917 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
12918 (OBJS-common): Add omp-low.o.
12919 (c-omp.o, omp-low.o): Add.
12920 (gimplify.o): Add dependency on $(OPTABS_H).
12921 (GTFILES): Add omp-low.c.
12922 (gt-stringpool.h): Add.
12923 * tree-cfg.c (set_bb_for_stmt): Do not update the
12924 block-to-labels map if we are currently expanding to RTL.
12925 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
12927 Handle IDENTIFIER_NODE.
12928 (tree_verify_flow_info): Do not ICE when emitting error
12929 messages about invalid labels.
12930 (dump_function_to_file): Reset CFUN before emitting the body
12932 (debug_function): New.
12933 * passes.c (init_optimization_passes): Schedule
12935 * langhooks-def.h (lhd_omp_predetermined_sharing,
12936 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
12938 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
12939 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
12940 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
12941 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
12942 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
12943 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
12944 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
12945 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
12946 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
12947 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
12948 (LANG_HOOK_DECLS): Use them.
12950 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
12951 Richard Henderson <rth@redhat.com>
12952 Jakub Jelinek <jakub@redhat.com>
12953 Diego Novillo <dnovillo@redhat.com>
12955 * c-parser.c (pragma_omp_clause): Define.
12956 (c_parser_declaration_or_fndef): Document OpenMP syntax.
12957 (c_parser_compound_statement): Likewise.
12958 (c_parser_statement): Likewise.
12959 (c_parser_pragma): Handle omp pragmas.
12960 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
12961 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
12962 (c_parser_omp_clause_name, check_no_duplicate_clause,
12963 c_parser_omp_variable_list,
12964 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
12965 c_parser_omp_clause_copyprivate,
12966 c_parser_omp_clause_default,
12967 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
12968 c_parser_omp_clause_lastprivate,
12969 c_parser_omp_clause_nowait,
12970 c_parser_omp_clause_num_threads,
12971 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
12972 c_parser_omp_clause_reduction,
12973 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
12974 c_parser_omp_all_clauses, c_parser_omp_structured_block,
12975 c_parser_omp_atomic, c_parser_omp_barrier,
12976 c_parser_omp_critical, c_parser_omp_flush,
12977 c_parser_omp_for_loop, c_parser_omp_for,
12978 c_parser_omp_master, c_parser_omp_ordered,
12979 c_parser_omp_sections_scope, c_parser_omp_sections,
12980 c_parser_omp_parallel, c_parser_omp_single,
12981 c_parser_omp_construct, c_parser_omp_threadprivate): New.
12982 * c-pragma.c (init_pragma): Do omp pragma registration here.
12983 * c.opt (fopenmp): New flag.
12985 2006-01-18 Eric Christopher <echristo@apple.com>
12987 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
12988 * config/darwin.h (GOMP_SELF_SPECS): Define.
12990 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
12992 * rtl.h: Remove the prototype for reg_alloc.
12994 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12997 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
12998 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
12999 sjlj and dwarf2 exception handling.
13000 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13001 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13002 * pa/pa.c (function_value): Treat complex and vector types as
13004 (function_arg): Likewise. Only pass scalar floats in the floating
13005 point argument registers.
13006 * pa/t-slibgcc-dwarf-ver: New file.
13007 * pa/t-slibgcc-sjlj-ver: New file.
13008 * pa/t-slibgcc-elf-ver: Delete file.
13010 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13012 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13013 unlikely_test_section_p test.
13015 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13017 * mode-switching.c (optimize_mode_switching): Make it static.
13018 * basic-block.h: Remove the prototype for
13019 optimize_mode_switching.
13021 * modulo-sched.c (sms_schedule): Make it static.
13022 * rtl.h: Remove the prototype for sms_schedule.
13024 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13025 * rtl.h: Remove the prototype for gcse_after_reload_main.
13027 * reg-stack.c (reg_to_stack): Make it static.
13028 * rtl.h: Remove the prototype for reg_to_stack.
13030 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13032 * rtl.h: Remove the prototypes for regrename_optimize and
13033 copyprop_hardreg_forward.
13035 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13037 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13038 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13039 Test against the appropriate null constant for the mode.
13040 If 'fixup_overlap' is true, swap the operands if they overlap.
13041 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13042 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13043 alpha_split_tmode_pair and adjust for above change.
13044 * config/alpha/alpha.md (movtf_internal): Adjust call to
13045 alpha_split_tfmode_pair and rely on it to swap the operands.
13046 (movti_internal): New insn and post-reload splitter.
13047 (movti): New expander.
13049 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13051 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13054 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13056 * rtlanal.c (global_reg_mentioned_p_1,
13057 global_reg_mentioned_p): Remove.
13058 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13060 * flow.c (initialize_uninitialized_subregs): Make it static.
13061 * rtl.h: Remove the prototype for
13062 initialize_uninitialized_subregs.
13064 * function.c (instantiate_virtual_regs): Make it static.
13065 * function.h: Remove the prototype for
13066 instantiate_virtual_regs.
13068 * regmove.c (regmove_optimize, combine_stack_adjustments):
13070 * rtl.h: Remove the prototypes for regmove_optimize and
13071 combine_stack_adjustments.
13073 2006-01-17 Roger Sayle <roger@eyesopen.com>
13075 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13076 (size_cost): Encode costs in bytes so that a reg-reg addition is
13077 equivalent to COSTS_N_INSNS(1).
13078 (override_options): Use the size_cost.branch_cost as the default
13079 ix86_branch_cost when optimizing for size.
13081 2006-01-18 Ben Elliston <bje@au.ibm.com>
13083 * Makefile.in (D32PBIT_FUNCS): New.
13084 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13085 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13086 D64PBIT_FUNCS and D128PBIT_FUNCS.
13087 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13088 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13090 (decnumber_dep): Define.
13091 * doc/libgcc.texi (Decimal float library routines): New node.
13092 * config/dfp-bit.h, config/dfp-bit.c: New files.
13094 2006-01-18 Ben Elliston <bje@au.ibm.com>
13096 * expr.c (emit_move_change_mode): Always adjust addresses, not
13097 just during reload. Copy replacements only during reload.
13098 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13099 emit_move_via_integer.
13101 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13103 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13104 instead of $(srcdir) and ${srcdir}.
13106 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13109 PR middle-end/11135
13110 * arm.h (struct machine_function): Add pic_reg.
13111 * arm.c (arm_pic_register): Make unsigned.
13112 (arm_override_options): Only set arm_pic_register if
13113 TARGET_SINGLE_PIC_BASE.
13114 (use_return_insn): Only test for a pic register if it is fixed.
13115 (arm_compute_save_reg0_reg12_mask): Likewise.
13116 (thumb_compute_save_reg_mask): Likewise.
13117 (legitimate_pic_operand): Factor out some known invariants.
13118 (legitimize_pic_address): If we don't have a fixed pic register,
13119 then set up a pseudo in the function entry sequence. Handle the
13120 pic base being in a pseudo.
13121 (arm_load_pic_register): Handle the pic register being in a pseudo.
13122 (arm_expand_prologue): Only set up the pic register if it is fixed.
13123 (thumb_expand_prologue): Likewise.
13124 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13125 (pic_load_addr_based_insn): Likewise.
13126 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13129 2006-01-18 Ben Elliston <bje@au.ibm.com>
13131 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13132 decimal float modes for all floating point registers.
13134 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13135 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13137 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13140 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13141 even when the pointer is not NULL.
13143 2006-01-16 Ian Lance Taylor <ian@airs.com>
13145 * common.opt (ftoplevel-reorder): New option.
13146 * cgraph.c (cgraph_asm_nodes): New global variable.
13147 (cgraph_asm_last_node): New static variable.
13148 (cgraph_order): New global variable.
13149 (cgraph_create_node): Set new order field.
13150 (cgraph_varpool_node): Likewise.
13151 (decide_is_variable_needed): Return true if not
13152 flag_toplevel_reorder.
13153 (cgraph_add_asm_node): New function.
13154 * cgraph.h (struct cgraph_node): Add order field.
13155 (struct cgraph_varpool_node): Add order field.
13156 (struct cgraph_asm_node): Define.
13157 (cgraph_asm_nodes, cgraph_order): Declare.
13158 (cgraph_add_asm_node): Declare.
13159 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13161 (cgraph_varpool_assemble_pending_decls): Call it.
13162 (cgraph_output_pending_asms): New static function.
13163 (cgraph_finalize_compilation_unit): Call it.
13164 (struct cgraph_order_sort): Define.
13165 (cgraph_output_in_order): New static function.
13166 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13167 !flag_toplevel_reorder case.
13168 * c-parser.c: Include "cgraph.h".
13169 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13171 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13172 than -fno-unit-at-a-time.
13173 * doc/invoke.texi (Option Summary): Mention
13174 -fno-toplevel-reorder.
13175 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13176 -funit-at-a-time documentation.
13178 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13179 Kazu Hirata <kazu@codesourcery.com>
13181 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13183 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13185 * Makefile.in (FUNCTION_H): New. Use it instead of
13186 function.h throughout the file.
13187 * function.h: Include tree.h.
13189 2006-01-17 Ben Elliston <bje@au.ibm.com>
13191 * recog.c: Separate some functions with whitespace.
13193 2006-01-16 Richard Henderson <rth@redhat.com>
13195 Merge from gomp branch:
13196 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13197 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13198 and rename from struct inline_data. Rename callee* to dst*;
13199 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13200 transform_new_cfg, transform_return_to_modify, and
13201 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13203 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13204 (copy_decl_for_dup): Remove.
13205 * tree-inline.c (struct inline_data): Move to header.
13206 (insert_decl_map): Export.
13207 (remap_decl): Update for member name changes. Use copy_decl hook.
13208 Allow for replacement to be a non-decl. Remove dead code.
13209 (remap_type_1): Check for existing mapping.
13210 (remap_type): Export.
13211 (remap_decls): Update for member name changes.
13212 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13213 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13214 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13215 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13216 (tree_function_versioning, build_duplicate_type): Likewise.
13217 (copy_body_r): Likewise. Export.
13218 (copy_decl_for_dup): Split into ...
13219 (copy_decl_for_dup_finish, copy_decl_to_var,
13220 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13221 (replace_ref_tree, inlining_p): Remove.
13223 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13225 * ifcvt.c (if_convert): Make it static.
13226 * rtl.h: Remove the prototype for if_convert.
13228 * local-alloc.c (local_alloc): Make it static.
13229 * rtl.h: Remove the prototype for local_alloc.
13231 * loop.c (loop_optimize): Make it static.
13232 * cfgloop.h: Remove the prototype for loop_optimize.
13235 2006-01-16 DJ Delorie <dj@redhat.com>
13237 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13240 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13242 * pa.md: Disparage copies between general and floating-point registers
13243 in 32-bit move patterns.
13245 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13248 * Makefile.in (check-%): Depend on site.exp instead of
13249 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13252 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13254 * global.c (global_alloc): Make it static.
13255 * rtl.h: Remove the prototype for global_alloc.
13257 2006-01-16 Richard Guenther <rguenther@suse.de>
13259 * tree-ssa-alias.c (struct used_part): Add write_only field.
13260 (get_or_create_used_part_for): Initialize it to true.
13261 (create_overlap_variables_for): Don't create structure variables
13262 for structures that only are written to.
13263 (find_used_portions): Handle MODIFY_EXPR to track whether a
13264 structure is only written to.
13266 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13268 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13270 * basic-block.h: Remove the prototype for
13271 partition_hot_cold_basic_blocks.
13273 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13275 * cppspec.c (lang_specific_spec_functions): Remove.
13276 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13277 * gcc.h (lang_specific_spec_functions): Remove.
13278 * gccspec.c (lang_specific_spec_functions): Remove.
13280 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13282 * combine.c (record_value_for_reg): Invalidate registers
13284 (record_dead_and_set_regs_1): Likewise, by passing them to
13285 record_value_for_reg.
13286 (record_dead_and_set_regs): Invalidate stores made by a
13287 call. We do not combine across a call, but we still
13288 relied on equivalences.
13290 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13292 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13293 vrp_int_const_binop returning non-constant nodes.
13295 2006-01-16 Paul Brook <paul@codesourcery.com>
13297 * config/m68k/m68k.c (output_move_const_into_data_reg):
13298 Output correct mnemonic for mvz and mvs.
13300 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13302 * rtl-factoring.c: Add sequence abstraction algorithm.
13303 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13304 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13306 (block_has_preserve_label): New function.
13307 * common.opt: Register new pass.
13308 * Makefile.in: Ditto.
13310 * timevar.def: Ditto.
13311 * tree-pass.h: Ditto.
13312 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13313 * rtl.h (make_jump_insn_raw): Add forward decl.
13314 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13316 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13317 Roger Sayle <roger@eyesopen.com>
13319 * fold-const.c (fold_minmax): New static function.
13320 (fold_binary) <MIN_EXPR>: Call it.
13321 <MAX_EXPR>: Likewise.
13322 * stor-layout.c (place_field): Use DECL_SIZE consistently
13323 in the computation of the new record size.
13325 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13327 * cse.c (cse_condition_code_reg): Make it static.
13328 * rtl.h: Remove the prototype for cse_condition_code_reg.
13330 * combine.c (combine_instructions): Make it static.
13331 * rtl.h: Remove the prototype for combine_instructions.
13333 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13336 * tree.c (get_file_function_name_long): Concatenate the first global
13337 object name with a string derived from the input filename of the object
13340 2006-01-16 Ben Elliston <bje@au.ibm.com>
13342 * config/i386/winnt-stubs.c: Update FSF address.
13343 * config/xtensa/ieee754-df.S: Ditto.
13344 * config/xtensa/ieee754-sf.S: Ditto.
13346 2006-01-14 Ian Lance Taylor <ian@airs.com>
13348 * ifcvt.c (noce_init_if_info): New static function, broken out of
13349 noce_process_if_block.
13350 (noce_process_if_block): Call noce_init_if_info.
13351 (check_cond_move_block): New static function.
13352 (cond_move_process_if_block): New static function.
13353 (process_if_block): Call cond_move_process_if_block.
13355 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13357 * cselib.c (hash_table): Rename to cselib_hash_table.
13358 (cselib_clear_table, discard_useless_values,
13359 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13360 cselib_init, cselib_finish): Adjust uses of hash_table.
13362 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13364 PR tree-optimization/25485
13365 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13366 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13367 is known to be false and true, respectively.
13369 2006-01-14 Richard Guenther <rguenther@suse.de>
13371 PR tree-optimization/22548
13372 PR tree-optimization/22555
13373 PR tree-optimization/22501
13374 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13375 * params.def (salias-max-array-elements): New parameter.
13376 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13377 * doc/invoke.texi (salias-max-array-elements): Document.
13378 * tree-flow-inline.h (var_can_have_subvars): We also handle
13380 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13382 * tree-ssa-structalias.c (params.h): Include.
13383 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13384 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13385 (get_constraint_for): For ADDR_EXPR operating on something
13386 containing an ARRAY_REF, add all subvars to the solution.
13387 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13388 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13389 for creating MUST_DEFs.
13390 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13392 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13394 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13396 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13397 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13398 number_of_iterations_le): New functions.
13399 (number_of_iterations_special): Removed.
13400 (number_of_iterations_exit): Do not use number_of_iterations_special.
13401 * tree.c (unsigned_type_for): Always return integer type.
13403 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13404 Richard Guenther <rguenther@suse.de>
13406 PR rtl-optimization/24257
13407 * gcse.c (find_moveable_store): Only consider a store movable
13408 when the SET_SRC of the insn can be assigned to a register.
13410 2006-01-14 Ian Lance Taylor <ian@airs.com>
13412 * tree.c (tree_not_class_check_failed): New function.
13413 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13414 (tree_not_class_check_failed): Declare.
13416 2006-01-13 Ian Lance Taylor <ian@airs.com>
13418 * reload1.c (do_output_reload): Add assertion rejecting a
13421 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13423 * combine.c (struct reg_stat): Add new fields truncation_label and
13425 (record_value_for_reg): Reset truncated_to_mode.
13426 (record_truncated_value): New function.
13427 (check_promoted_subreg): Call it. Rename to check_conversions.
13428 (combine_instructions): Rename check_promoted_subreg to
13430 (reg_truncated_to_mode): New function.
13431 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13432 (gen_lowpart_or_truncate): New function.
13433 (force_to_mode): Use it instead of gen_lowpart.
13435 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13437 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13438 VAR is a tag, not its type tag.
13440 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13442 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13443 alternatives to match style of other entries.
13444 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13446 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13448 PR tree-optimization/25771
13449 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13452 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13455 * tree-inline.c (declare_return_variable): If the return variable
13456 was marked as a non gimple complex, set the return slot variable
13457 to be a non gimple comple variable.
13459 2006-01-13 Richard Guenther <rguenther@suse.de>
13461 * builtins.c (expand_builtin_sincos): New function.
13462 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13464 (expand_builtin): Expand sincos using expand_builtin_sincos.
13466 2006-01-12 DJ Delorie <dj@redhat.com>
13468 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13469 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13470 so that constant shifts can be split.
13471 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13472 (m32c_valid_pointer_mode): Make static.
13473 (shift_gen_func_for): New.
13474 (m32c_prepare_shift): Use it. Split large const shifts into
13476 * config/m32c/predicates.md (shiftcount_operand): Allow more
13478 (longshiftcount_operand): New.
13479 * doc/md.texi (Machine Constraints): Document In6.
13481 2006-01-13 Ben Elliston <bje@au.ibm.com>
13483 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13484 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13487 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13489 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13490 to try to avoid clobbering pieces of structures when we know
13491 something about the whole structure.
13492 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13494 2006-01-13 Ben Elliston <bje@au.ibm.com>
13496 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
13497 return in memory, as this is no limitation is no longer present.
13499 2006-01-12 DJ Delorie <dj@redhat.com>
13501 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
13502 mova with fb, and for fb+0 -> An.
13504 * config/m32c/mov.md (peephole2): Fix enabling logic.
13506 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
13507 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
13508 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
13509 FINI_ARRAY_SECTION_ASM_OP): Define.
13511 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
13513 (m32c_legitimize_reload_address): New logic to reload FB to An.
13514 (m32c_output_reg_push): Add newline.
13515 (m32c_output_reg_pop): Likewise.
13517 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
13519 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
13521 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
13523 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
13525 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13527 * config/sh/predicates.md (sh_rep_vec): Add parallel to
13530 2006-01-11 Ben Elliston <bje@au.ibm.com>
13532 * rtlanal.c (find_reg_note): Assert insn is not null.
13534 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13536 * df-scan.c (df_hard_reg_init): Move declaration of i outside
13539 2006-01-11 Jeff Law <law@redhat.com>
13541 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
13543 (mark_threaded_blocks, register_jump_thread): New functions.
13544 (thread_through_all_blocks): Remove unwanted argument. No
13545 longer rely on e->aux to communicate thread target info.
13546 Call mark_threaded_blocks. Release the threaded_blocks
13547 bitmap and threaded_edges vector when complete.
13548 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
13549 (threaded_blocks): Remove.
13550 (tree_ssa_dominator_optimize): Remove initialization and
13551 finalization of threaded_blocks. Simplify call to
13552 thread_through_all_blocks.
13553 (thread_across_edge): Call register_jump_thread rather than
13554 storing thread information into e->aux.
13555 (free_all_edge_infos): Simplify now that e->aux is no longer
13556 used to communicate with thread_through_all_blocks.
13557 * tree-flow.h (thread_through_all_blocks): Update prototype.
13558 (register_jump_thread): Prototype.
13560 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13562 * df-core.c (df_compact_blocks, df_bb_replace): Use
13563 SET_BASIC_BLOCK instead of BASIC_BLOCK.
13565 2006-01-11 Richard Guenther <rguenther@suse.de>
13567 PR tree-optimization/25734
13568 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
13569 stop propagation after successful propagation to the LHS.
13571 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
13573 * basic-block.h (control_flow_graph): Change the type of
13574 x_basic_block_info to VEC(basic_block,gc) *.
13575 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
13577 (SET_BASIC_BLOCK): New.
13578 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
13579 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
13580 * cfgbuild.c (find_basic_blocks): Likewise.
13581 * cfglayout.c (fixup_reorder_chain): Likewise.
13582 * cfgrtl.c (create_basic_block_structure,
13583 rtl_create_basic_block): Likewise.
13584 * ifcvt.c (find_if_case_1): Likewise.
13585 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
13588 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
13590 * Makefile.in: Removed rotted odf.c entry.
13592 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
13595 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
13596 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
13597 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
13598 output pattern modifier, not %e.
13599 * config/cris/cris.c (cris_op_str): Update comment about pattern
13601 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
13602 before falling through into...
13603 <case 'E'>: Redefined from old 'e' case.
13605 2006-01-11 Jan Hubicka <jh@suse.cz>
13608 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
13610 2006-01-11 Jan Hubicka <jh@suse.cz>
13612 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
13613 * i386.c (x86_decompose_lea): Kill.
13614 (ix86_rtx_costs): Kill.
13616 2006-01-11 Jan Hubicka <jh@suse.cz>
13618 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
13619 * cgraph.h (cgraph_node): Add inline_decl.
13620 (cgraph_insert_node_to_hashtable): Declare.
13621 (save_inline_function_body): Declare.
13622 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
13624 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
13625 (cgraph_function_versioning): Update call of tree_function_versioning.
13626 (save_inline_function_body): New function.
13627 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
13628 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
13629 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
13630 (cgraph_default_inline_p): Likewise.
13631 (cgraph_decide_inlining_incrementally): Likewise.
13632 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
13633 (copy_bb): Kill saving; do updating of clones.
13634 (copy_cfg_body): Kill saving.
13635 (initialize_inlined-parameters): Likewise.
13636 (expand_call_inline): Likewise.
13638 (tree_function_versioning): New parameter "update_clones".
13639 (inlining_p): Kill saving.
13640 * tree-inline.h (tree_function_versioning): Update prototype.
13641 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
13644 2006-01-11 Ian Lance Taylor <ian@airs.com>
13646 * combine.c (struct undo): Remove is_int. Enumify types of undos.
13647 Allow undoing set of machine mode.
13648 (do_SUBST): Use enums instead of is_int.
13649 (do_SUBST_MODE): New function.
13650 (SUBST_MODE): New macro.
13651 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
13652 reg and trying to replace reg_regno_rtx with a new register.
13653 (undo_all): Use new enums, handle undoing a PUT_MODE change.
13654 (simplify_set): Use SUBST_MODE.
13655 (distribute_notes): Remove code that tried to update reg notes
13656 for regno_reg_rtx changes.
13658 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
13660 PR tree-optimization/23109
13661 PR tree-optimization/23948
13662 PR tree-optimization/24123
13664 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
13665 * tree-cfg.c (single_noncomplex_succ): New.
13666 * tree-flow.h (single_noncomplex_succ): Declare it.
13667 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13668 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
13669 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
13670 insert_bb, register_division_in, insert_reciprocals,
13671 replace_reciprocal, free_bb): New.
13672 (execute_cse_reciprocals_1): Rewritten.
13673 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
13674 Do not commit any edge insertion. Always compute dominators and
13675 create the allocation pool.
13676 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
13677 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
13678 * targhooks.c (default_min_divistions_for_recip_mul): New.
13679 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
13680 * passes.c (init_optimization_passes): Run recip after tree loop
13682 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
13684 2006-01-11 Danny Berlin <dberlin@dberlin.org>
13685 Kenneth Zadeck <zadeck@naturalbridge.com>
13687 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
13688 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
13689 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
13690 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
13691 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
13692 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
13693 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
13694 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
13695 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
13696 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
13697 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
13698 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
13699 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
13700 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
13701 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
13702 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
13703 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
13704 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
13705 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
13706 DF_SCAN_POST_ALLOC): New macros.
13707 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
13708 df_free_bb_function, df_local_compute_function, df_init_function,
13709 df_dataflow_function, df_confluence_function_0,
13710 df_confluence_function_n, df_transfer_function,
13711 df_finalizer_function, df_free_function, df_dump_problem_function,
13712 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
13713 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
13714 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
13715 df_urec_bb_info, ) New types.
13716 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
13718 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
13719 df_analyze_simple_change_some_blocks,
13720 df_analyze_simple_change_one_block, df_compact_blocks,
13721 df_bb_replace, df_bb_regno_last_use_find,
13722 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
13723 df_insn_regno_def_p, df_find_def, df_find_use,
13724 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
13725 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
13726 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
13727 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
13728 debug_df_chain, df_get_dependent_problem, df_chain_create,
13729 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
13730 df_grow_bb_info, df_chain_dump, df_print_bb_index,
13731 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
13732 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
13733 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
13734 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
13735 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
13736 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
13737 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
13738 df_ref_remove, df_insn_refs_delete, df_refs_delete,
13739 df_reorganize_refs, df_set_state, df_hard_reg_init,
13740 df_read_modify_subreg_p) New public functions.
13741 * df-core.c: The core dataflow solver and glue routines for rtl
13743 (df_init, df_add_problem, df_set_blocks, df_finish,
13744 df_hybrid_search_forward, df_hybrid_search_backward,
13745 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
13746 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
13747 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
13748 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
13749 df_reg_defined, df_find_use, df_reg_used, df_dump,
13750 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
13751 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
13752 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
13753 debug_df_useno, reset_df_after_reload): New functions.
13754 * df-scan.c: The scanning fuctions, once in df.c, completely
13755 rewritten so that they now fully model the functionality of
13756 register usage at the backend.
13757 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
13758 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
13759 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
13760 df_grow_insn_info, df_rescan_blocks, df_ref_create,
13761 df_get_artificial_defs, df_get_artificial_uses,
13762 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
13763 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
13764 df_refs_delete, df_reorganize_refs, df_set_state,
13765 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
13766 df_def_record_1, df_defs_record, df_uses_record,
13767 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
13768 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
13769 df_record_exit_block_uses, df_hard_reg_init): New functions.
13771 * df-problems.c: Seven concrete dataflow problems that use the
13772 scanning in df-scan.c and are solved by the engine in df-core.c.
13773 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
13774 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
13775 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
13776 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
13777 df_ru_free_bb_info, df_ru_alloc,
13778 df_ru_bb_local_compute_process_def,
13779 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
13780 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
13781 df_ru_transfer_function, df_ru_free, df_ru_dump,
13782 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
13783 df_rd_free_bb_info, df_rd_alloc,
13784 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
13785 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
13786 df_rd_transfer_function, df_rd_free, df_rd_dump,
13787 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
13788 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
13789 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
13790 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
13791 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
13792 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
13793 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
13794 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
13795 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
13796 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
13797 df_urec_mark_reg_change, df_urec_check_earlyclobber,
13798 df_urec_mark_reg_use_for_earlyclobber,
13799 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
13800 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
13801 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
13802 df_urec_dump, df_urec_add_problem, df_chain_alloc,
13803 df_chain_create_bb_process_use, df_chain_create_bb,
13804 df_chain_finalize, df_chain_free, df_chains_dump,
13805 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
13806 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
13807 df_reg_lifetime): New functions.
13808 * df.c: Deleted file.
13809 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
13810 consistent with new df api.
13811 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
13812 rest_of_handle_sms): Ditto.
13813 * web.c (unionfind_union, union_defs, entry_register, web_main):
13815 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
13816 invariant_expr_equal_p, find_defs, check_dependencies,
13817 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
13818 free_inv_motion_data, move_loop_invariants): Ditto.
13819 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
13820 Update dependencies.
13821 (odf.c): Added defective entry that was deleted later in day.
13822 * sched-deps.c (sched_analyze_1): Ditto.
13824 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
13826 * tree-ssa-operands.c (get_expr_operands): Record addressable
13827 variables directly. Do not call add_stmt_operands for CONST_DECLs
13829 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
13830 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
13832 2006-01-11 Ben Elliston <bje@au.ibm.com>
13834 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
13835 function returns true in the positive case.
13837 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13840 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
13841 for SI, DI, SF and DF modes. Add alternatives to copy between
13842 general and floating point registers to the 32-bit patterns.
13843 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
13844 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
13845 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
13846 generating 64-bit code.
13847 * config/pa/pa.c (output_move_double): Handle copies between general
13848 and floating registers.
13850 2006-01-10 Stuart Hastings <stuart@apple.com>
13852 * config/i386/i386.md (set_got): Update.
13853 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
13854 (builtin_setjmp_receiver): Mach-O support.
13855 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
13856 (GOT_SYMBOL_NAME): Define.
13857 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
13858 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
13859 * config/i386/i386.c (override_options): Revise for Darwin.
13860 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
13861 support. (darwin_x86_file_end): New. (output_set_got): Add label
13862 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
13863 * config/i386/i386-protos.h (output_set_got): Likewise.
13864 * config/darwin.c (machopic_legitimize_pic_address): Update
13867 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
13869 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
13870 when MODE isn't BLKmode.
13872 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
13874 PR rtl-optimization/25367
13875 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
13877 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
13880 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
13881 for a negative bound.
13883 2006-01-10 Richard Guenther <rguenther@suse.de>
13885 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13886 Never override with anything constraint.
13888 2006-01-10 Jan Beulich <jbeulich@novell.com>
13890 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
13891 256 bits when optimize_size.
13893 2006-01-10 Jan Beulich <jbeulich@novell.com>
13895 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
13897 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
13898 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
13901 2006-01-10 Ben Elliston <bje@au.ibm.com>
13903 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
13905 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
13906 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
13907 (USE_FP_FOR_ARG): Reject decimal float modes.
13908 (function_arg_advance): Likewise.
13909 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
13910 (rs6000_handle_altivec_attribute): Do not permit decimal floating
13911 point types in AltiVec vectors.
13912 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
13913 (rs6000_libcall_value): Likewise.
13915 2006-01-09 Bob Wilson <bob.wilson@acm.org>
13917 * config/xtensa/ieee754-df.S: New file.
13918 * config/xtensa/ieee754-sf.S: New file.
13919 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
13920 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
13921 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
13923 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
13925 * config/sh/predicates.md (binary_float_operator,
13926 binary_logical_operator, commutative_float_operator,
13927 equality_comparison_operator, greater_comparison_operator,
13928 less_comparison_operator, logical_operator,
13929 noncommutative_float_operator, shift_operator,
13930 symbol_ref_operand, unary_float_operator): Remove redundant
13933 2006-01-09 Jeff Law <law@redhat.com>
13935 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
13936 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
13937 now unused arguments. Callers updated.
13938 (eliminate_redundant_computations): Remove now unused arguments,
13940 (local_fold): Remove, no longer used.
13941 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
13943 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
13944 (simplify_cond): New function.
13945 (forward_propagate_into_cond): Call simplify_cond.
13947 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
13949 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
13950 (*vec_extractv2di_1_sse): New.
13952 2006-01-09 Ben Elliston <bje@au.ibm.com>
13954 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
13956 2006-01-08 Richard Guenther <rguenther@suse.de>
13958 * tree-ssa-structalias.c (get_constraint_for): Remove
13959 anyoffset argument.
13960 (get_constraint_for_component_ref): Likewise.
13961 (do_deref): Likewise.
13962 (get_constraint_for): Likewise.
13963 (do_structure_copy): Likewise.
13964 (handle_ptr_arith): Likewise.
13965 (find_func_aliases): Likewise. Remove unused need_anyoffset
13968 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
13969 Kaz Kojima <kkojima@gcc.gnu.org>
13971 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
13972 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
13973 (EXTRA_CONSTRAINT_C16): Remove.
13974 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
13975 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
13976 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
13977 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
13978 constants of SHmedia. Handle nested constant expressions of
13980 (andcosts): Fix the costs for SHmedia constants.
13981 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
13982 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
13983 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
13984 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
13985 (movv4hi_i, movv2si_i): Likewise.
13986 (movsi_const): Adjust the second operand of ior so to match with
13987 the Csu constraint.
13988 (movdi_const, movdi_const_32bit): Likewise.
13989 (movdi_const_16bit+1): Don't sign-extend LOW.
13990 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
13992 (*double_shori): Fix the split condition. Use GEN_INT instead
13993 of get_int_mode calls. Mask lower 16-bit of the argument of
13995 (sym2GOTPLT): Remove.
13996 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
13998 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
13999 instead of EXTRA_CONSTRAINT_C16.
14001 2006-01-07 Ian Lance Taylor <ian@airs.com>
14002 David Edelsohn <edelsohn@gnu.org>
14004 PR rtl-optimization/25662
14005 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14006 for constant operands instead of simplify_gen_binary.
14007 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14008 after trying simplify_binary_operation
14010 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14012 * tree.c (iterative_hash_expr): Hash decls based on UID.
14014 2006-01-06 Eric Christopher <echristo@apple.com>
14016 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14017 (TARGET_UNWIND_EMIT): Fix spelling.
14018 * target.h (gcc_target): Add except_table_label.
14019 * except.c (output_function_exception_table): Use.
14020 * varasm.c (default_emit_except_table_label): New.
14021 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14023 (asm_out): Add here.
14024 * output.h (default_emit_except_table_label): Prototype.
14025 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14026 * config/darwin.c (darwin_emit_except_table_label): Define.
14027 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14029 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14031 PR tree-optimization/18527
14032 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14033 number_of_iterations_special, number_of_iterations_exit):
14034 Move base and step of an iv to a single structure. Add
14035 no_overflow flag, and use it in # of iterations analysis.
14036 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14037 folded_casts argument.
14038 (simple_iv): Pass base and step in a structure. Set no_overflow
14040 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14041 Evaluate expensiveness of computing # of iterations instead of
14042 the final expression.
14043 * tree-scalar-evolution.h (affine_iv): New structure.
14044 (simple_iv): Declaration changed.
14045 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14046 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14047 find_givs_in_stmt): Changed due to simple_iv change.
14049 2006-01-06 Jeff Law <law@redhat.com>
14052 * tree-cfg.c (bsi_replace): Rename final argument from
14053 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14054 change (stmt -> orig_stmt).
14055 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14056 (bsi_remove): Add new argument. Remove EH information
14058 (verify_eh_throw_table_statements): New function.
14059 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14061 * tree-optimize.c (execute_free_cfg_annotations): Verify
14062 the EH throw statement table after removing annotations.
14063 * except.h (verify_eh_throw_table_statements): Prototype.
14064 * tree-flow.h (bsi_remove): Update prototype.
14065 * tree-vrp.c (remove_range_assertions): Add new argument to
14067 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14068 * tree-complex.c (expand_complex_div_wide): Likewise.
14069 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14070 * tree-tailcall.c (eliminate_tailcall): Likewise.
14071 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14072 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14073 * tree-nrv.c (tree_nrv): Likewise.
14074 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14075 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14076 (combine_blocks): Likewise.
14077 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14078 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14079 (cleanup_control_flow): Likewise.
14080 (remove_forwarder_block): Likewise.
14081 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14082 * tree-sra.c (sra_replace): Likewise.
14083 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14084 (forward_propagate_single_use_vars): Likewise.
14085 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14086 * tree-inline.c (expand_call_inline): Likewise.
14087 * tree-vect-transform.c (vect_transform_loop): Likewise.
14088 * tree-outof-ssa.c (rewrite_trees): Likewise.
14089 * tree-cfg.c (make_goto_expr_edges): Likewise.
14090 (cleanup_dead_labels): Likewise.
14091 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14092 (bsi_move_before, bsi_move_after): Likewise.
14093 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14094 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14096 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14099 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14101 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14102 on non gimple variables. Also add checks at the top for decls and
14104 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14106 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14107 and IMAGPART_EXPR for creating MUST_DEFs.
14108 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14109 and NAME_MEMORY_TAG separately from the DECLs.
14111 2006-01-06 Richard Guenther <rguenther@suse.de>
14113 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14114 annotation, if necessary.
14115 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14116 redundant calls to update_stmt.
14117 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14120 2006-01-05 Richard Henderson <rth@redhat.com>
14122 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14124 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14126 * c-typeck.c: Update copyright date.
14128 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14130 * c-typeck.c (build_c_cast): Always warn when casting
14131 from a pointer to an integer of different size, even if
14132 the node was constant.
14134 2006-01-05 Richard Guenther <rguenther@suse.de>
14136 PR tree-optimization/22555
14137 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14138 if one structure field is an array.
14139 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14140 operands even if we found a subvar, but ignore VOPs in this
14142 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14144 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14146 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14148 PR middle-end/24998
14149 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14151 2006-01-05 Richard Guenther <rguenther@suse.de>
14152 Diego Novillo <dnovillo@redhat.com>
14154 * tree-pass.h (TODO_remove_unused_locals): Define.
14155 * gimple-low.c (expand_var_p, remove_useless_vars,
14156 pass_remove_useless_vars): Remove. Update all users.
14157 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14158 (remove_unused_locals): New function.
14159 * tree-flow.h (remove_unused_locals): Declare.
14160 * passes.c (execute_todo): Call remove_unused_locals if
14161 TODO_remove_unused_locals is set.
14162 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14163 * tree-ssa-dce.c (pass_dce): Likewise.
14164 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14166 2006-01-05 Richard Guenther <rguenther@suse.de>
14168 * tree-flow.h (struct fieldoff): Decompose field to
14169 type, size and decl.
14170 * tree-ssa-alias.c (create_sft): Take type as parameter.
14171 (create_overlap_variables_for): Store type, size and decl
14172 in the fieldoff structure.
14173 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14174 of struct fieldoff.
14175 (push_fields_onto_fieldstack): Likewise.
14176 (create_variable_info_for): Likewise. Use offset for the
14177 SFT name if the decl is not available.
14179 2006-01-04 Paul Brook <paul@codesourcery.com>
14181 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14183 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14185 * lambda-code.c (can_put_in_inner_loop): Relax
14187 (can_put_after_inner_loop): New function.
14188 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14189 (perfect_nestify): Change to make copies and modify uses.
14191 2006-01-04 Richard Henderson <rth@redhat.com>
14193 Merge from gomp branch:
14194 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14195 via integer constant.
14196 (pragma_lex): Remove.
14197 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14198 rather than parsing it.
14199 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14200 handle_pragma_extern_prefix): Add %< %> quotes.
14201 (registered_pragmas): New.
14202 (c_register_pragma_1): New.
14203 (c_register_pragma): Use it.
14204 (c_register_pragma_with_expansion): Likewise.
14205 (c_invoke_pragma_handler): New.
14206 (init_pragma): Use cpp_register_deferred_pragma directly for
14208 * c-pragma.h (enum pragma_kind): New.
14209 (pragma_handler): New.
14210 (c_invoke_pragma_handler): Declare.
14211 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14213 * c-common.h (c_common_pch_pragma): Update decl.
14214 * Makefile.in (c-parser.o): Update dependencies.
14215 (GTFILES): Add c-pragma.h.
14216 * c-parser.c (struct c_token): Add pragma_kind.
14217 (struct c_parser): Add in_pragma.
14218 (c_lex_one_token): Always initialize keyword and pragma_kind.
14219 Extract data for CPP_PRAGMA.
14220 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14221 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14222 Don't allow CPP_PRAGMA_EOL if in_pragma.
14223 (c_parser_consume_pragma): New.
14224 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14225 (c_parser_skip_to_end_of_parameter): Likewise.
14226 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14227 (c_parser_skip_to_pragma_eol): New.
14228 (c_parser_external_declaration): Handle CPP_PRAGMA.
14229 (c_parser_compound_statement_nostart): Likewise.
14230 (c_parser_statement_after_labels): Likewise.
14231 (c_parser_pragma): New.
14232 (pragma_lex): Likewise.
14233 (c_parser_pragma_pch_preprocess): New.
14234 (c_parser_new): Merge into ...
14235 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14237 2006-01-04 Jeff Law <law@redhat.com>
14240 * tree-cfg.c (bsi_replace): Remove the original statement
14241 from the EH throw statement table.
14243 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14245 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14246 make the prototype extern "C" and add throw ().
14249 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14250 and pos non-negative and pos + len <= 32.
14251 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14252 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14253 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14256 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14257 as well as sizes not multiple of component size.
14260 * function.c (instantiate_expr): New function.
14261 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14262 walk its DECL_VALUE_EXPR with instantiate_expr.
14264 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14265 DW_OP_deref{,_size} if address isn't going to be added.
14267 2006-01-04 Ben Elliston <bje@au.ibm.com>
14269 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14270 * config/fp-bit.c: Likewise.
14272 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14274 * dominance.c: Add comment about why we use DFS numbering
14277 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14278 Richard Henderson <rth@redhat.com>
14280 Merge from gomp-branch:
14281 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14282 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14284 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14286 PR rtl-optimization/25578
14287 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14288 pass a parameter to simplify_shift_const if changing ASHIFTRT
14291 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14293 * builtins.c (get_builtin_sync_mem): New function.
14294 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14295 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14296 Call get_builtin_sync_mem to generate mem rtx.
14298 2006-01-03 Richard Guenther <rguenther@suse.de>
14301 * stmt.c (add_case_node): Make sure to clear overflow flags
14304 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14306 Merge from gomp-branch.
14307 * config/sparc/sync.md: New file.
14308 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14309 UNSPECV_LDSTUB): New constants.
14310 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14311 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14312 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14315 2006-01-03 Roger Sayle <roger@eyesopen.com>
14317 * combine.c (reg_subword_p): New predicate to test whether the
14318 destination of a set refers to a subword/piece of a register.
14319 (try_combine): Generalize the code to merge the setting of a
14320 pseudo to a constant followed by a set of a subword of that
14321 register to a constant.
14323 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14325 * basic-block.h (control_flow_graph): Change the type of
14326 x_label_to_block_map to VEC(basic_block,gc) *.
14327 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14328 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14330 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14331 VEC(basic_block,heap) *.
14332 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14333 ssa_prop_fini): Adjust the uses of cfg_blocks.
14335 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14337 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14339 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14340 hashing trees instead of a pointer hash.
14341 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14342 compare for MEM_EXPR.
14344 PR rtl-optimization/25130
14345 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14346 when comparing MEMs for GCSE
14348 2006-01-03 Ben Elliston <bje@au.ibm.com>
14350 * targhooks.h (default_decimal_float_supported_p): Declare.
14351 * targhooks.c (default_decimal_float_supported_p): Define.
14352 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14353 `default_decimal_float_supported_p'.
14354 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14356 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14358 * combine.c (apply_distributive_law <SUBREG>): Check
14359 TRULY_NOOP_TRUNCATION.
14361 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14363 * dwarf2out.c (have_switched_text_section): Delete.
14364 (have_multiple_function_sections): New.
14365 (have_location_lists): Make 'bool'.
14366 (add_AT_loc_list): Use 'true' not '1'.
14367 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14368 (output_loc_list): Use have_multiple_function_sections.
14369 (output_ranges): Likewise.
14370 (dwarf2out_begin_function): Set have_multiple_function_sections if
14372 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14373 Check function_section rather than DECL_SECTION_NAME.
14374 (dwarf2out_finish): Use have_multiple_function_sections.
14375 Don't clear have_location_lists.
14377 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14378 Jan Hubicka <jh@suse.cz>
14380 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14381 case of conditional jump jumping to the next instruction.
14382 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14383 cases of conditional jump jumping to the next instruction.
14385 2006-01-02 Jan Hubicka <jh@suse.cz>
14387 * i386.c (*_cost): Add COSTS_N_INSNS.
14388 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14390 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14393 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14395 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14397 * config/arm/arm.c (all_fpus): Fix comment typo.
14398 * config/darwin.c: Likewise.
14399 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14400 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14401 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14403 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14405 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14406 (rs6000_split_compare_and_swapqhi): New.
14407 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14408 (sync_compare_and_swapqhi_internal): New.
14409 * config/rs6000/rs6000-protos.h: Declare.