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ChangeLog-2006
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ChangeLog-2006
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2006-12-31 Richard Guenther <rguenther@suse.de>
PR middle-end/30137
* fold-const.c (fold_comparison): Fold comparison of addresses
of components.
2006-12-31 Roger Sayle <roger@eyesopen.com>
PR middle-end/30322
* fold-const.c (fold_binary): Fold X + ~X and ~X + X into -1 when
we don't care about trapping overflow. Only convert -A - 1 into ~A
when we don't care about trapping overflow.
2006-12-31 Richard Guenther <rguenther@suse.de>
PR middle-end/30338
* fold-const.c (fold_binary): Fix type-mismatch in folding
of -1 - A to ~A.
2006-12-30 Kazu Hirata <kazu@codesourcery.com>
* tree-inline.c: Fix a comment typo.
2006-12-30 Jan Hubicka <jh@suse.cz>
* ipa-pure-const.c (check_operand): SSA_NAME is safe.
* ipa-type-escape.c (scan_for_refs): Look into SSA_NAMEs.
2006-12-30 Jan Hubicka <jh@suse.cz>
* tree.h (DECL_CALL_CLOBBERED): Remove.
(tree_decl_common): Remove call_clobbered flag.
* tree-flow.h (struct var_ann_d): Add call_clobbered flag.
* tree-ssa-alias.c (mark_non_addressable, reset_cc_flags): Update.
* tree-flow-inline.h (is_call_clobbered, mark_call_clobbered,
clear_call_clobbered): Update.
* tree-ssa.c (verify_call_clobbering): Update.
2006-12-30 Jan Hubicka <jh@suse.cz>
* tree-ssa-alias.c (create_structure_vars): When in SSA, update operand
caches.
* tree-ssa-operands.c (build_ssa_operands): Recompute addresses_taken
bitmap.
2006-12-30 Jan Hubicka <jh@suse.cz>
Vladimir Yanovsky <volodyan@gmail.com>
* emit-rt.c (emit_copy_of_insn_after): Fix bug causing exponential
amount of copies of INSN_NOTEs list.
2006-12-29 Jan Hubicka <jh@suse.cz>
* cgraph.c (cgraph_expand_queue): Rename to...
(cgraph_new_nodes): ... this one.
(cgraph_state): New global variable.
(cgraph_add_new_function): Work in more cases.
* cgraph.h (cgraph_expand_queue): Rename to ...
(cgraph_new_nodes): ... this one.
(cgraph_state): New enum and static variable.
(cgraph_add_new_function): Update prototype.
(cgraph_process_new_functions): New.
* omp-low.c (expand_omp_parallel): Update.
* cgraphunit.c (initialize_inline_failed): Declare early.
(cgraph_process_new_functions): New function.
(cgraph_assemble_pending_functions): Use it.
(cgraph_expand_all_functions): Use it.
(cgraph_optimize): Use it; set cgraph_state.
* passes.c (execute_one_pass, execute_ipa_pass_list): Process new
functions
2006-12-29 Kazu Hirata <kazu@codesourcery.com>
* tree-cfg.c (last_stmt_ptr): Remove.
* tree-flow.h: Remove the prototype for last_stmt_ptr.
* config/i386/i386.h (NON_QI_REG_P): Remove.
* config/i386/predicates.md (non_q_regs_operand): Remove.
2006-12-29 Ian Lance Taylor <iant@google.com>
* c-common.c (c_define_builtins): New static function broken out
of c_common_nodes_and_builtins.
(c_common_nodes_and_builtins): Call c_define_builtins unless only
doing preprocessing.
2006-12-29 Jan Hubicka <jh@suse.cz>
* tree-inline.c (remap_ssa_name): New function.
(remap_decl): Update SSA datastructures for DECLs.
(copy_body_r): Deal with SSA_NAMEs; add referenced global vars.
(copy_bb): Set SSA_NAME def stmts.
(update_ssa_acorss_eh_edges): New function.
(copy_edge_for_bb): Call it; mark new vars for renaming.
(copy_phis_for_bb): New function.
(initialize_cfun): Break out from ...
(copy_cfg_body): ... here; maintain AUX map for both directions;
call SSA updating workers; do not produce copy of cfun to be copied.
(setup_one_parameter): Do propagation across SSA form.
(declare_return_variable): Work on SSA; use return_slot instead of
address of return slot of argument to avoid folding back and forth.
(expand_call_inline): Update SSA from on return values.
(optimize_inline_calls): Do sanity checking, dead blocks removal,
update SSA form.
(tree_function_verioning): Update initialize_cfun.
2006-12-29 Marcin Dalecki <martin@dalecki.de>
* doc/invoke.texi: Replace no longer supported -fno-strength-reduce
with -fmerge-constants in sample code.
2006-12-28 Kazu Hirata <kazu@codesourcery.com>
* Makefile.in (OBJS-common): Remove conflict.o
(conflict.o): Remove.
* basic-block.h: Remove the prototypes for conflict.c.
* conflict.c: Remove.
2006-12-27 Daniel Berlin <dberlin@dberlin.org>
* sbitmap.c (BITMAP_DEBUGGING): New macro.
(do_popcount): Ditto.
(sbitmap_verify_popcount): New function.
(sbitmap_alloc): Set popcount to NULL, remove set of bytes
member.
(sbitmap_alloc_with_popcount): New function.
(sbitmap_resize): Remove uses of bytes member and update
popcount.
(sbitmap_realloc): Remove uses of bytes member.
(sbitmap_copy): Copy popcount.
(sbitmap_copy_n): New function.
(sbitmap_zero): Update popcount cache.
(sbitmap_ones): Ditto.
(sbitmap_a_and_b): Ditto.
(sbitmap_a_or_b): Ditto.
(sbitmap_a_xor_b): Ditto.
(sbitmap_union_of_diff_cg): Assert non-existence of popcount
cache.
(sbitmap_union_of_diff): Ditto.
(sbitmap_not): Ditto.
(sbitmap_difference): Ditto.
(sbitmap_a_and_b_cg): Ditto.
(sbitmap_a_xor_b_cg): Ditto.
(sbitmap_a_or_b_cg): Ditto.
(sbitmap_a_or_b_and_c_cg): Ditto.
(sbitmap_a_and_b_or_c_cg): Ditto.
(sbitmap_intersection_of_succs): Ditto.
(sbitmap_intersection_of_preds): Ditto.
(sbitmap_union_of_succs): Ditto.
(sbitmap_union_of_preds): Ditto.
(popcount_table): New.
(sbitmap_elt_popcount): New function.
(sbitmap_popcount): Ditto.
* sbitmap.h (sbitmap): Remove bytes member.
Add popcount member.
(SET_BIT): Macro turned into function.
(RESET_BIT): Ditto.
(SBITMAP_SIZE_BYTES): New macro.
(sbitmap_free): Free popcount too.
(sbitmap_alloc_with_popcount): New prototype.
(sbitmap_copy_n): Ditto.
(sbitmap_verify_popcount): Ditto.
2006-12-27 Ian Lance Taylor <iant@google.com>
PR debug/26964
* dwarf2out.c (gen_type_die): Don't write out a DIE for
ENUMERAL_TYPE if it was already written out.
2006-12-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3,
do_mpfr_sincos): Ensure target base equals two.
2006-12-26 Kazu Hirata <kazu@codesourcery.com>
* tree-ssa-operands.c: Fix a comment typo.
2006-12-25 Kazu Hirata <kazu@codesourcery.com>
* tree-vectorizer.h (VECT_SMODULO): Remove.
2006-12-24 Andreas Tobler <a.tobler@schweiz.org>
* config/pa/pa.c: Remove heap vector type defines.
2006-12-24 Jan Hubicka <jh@suse.cz>
* tree-ssa-operands.h (struct ssa_operand_memory_d):
add ssa_operand_mem_size.
* tree-ssa-operands.c (operands_bitmap_obstack): New.
(ssa_operand_mem_size): Remove.
(init_ssa_operands): Initialize obstack; use it.
(fini_ssa_operands): Release obstack.
(ssa_operand_alloc): Update.
(finalize_ssa_vdefs, finalize_ssa_vuse_ops, copy_virtual_operands,
get_mpt_for): Use obstack.
* tree-ssa.c (delete_tree_ssa): Call fini_ssa_operands.
* tree-outof-ssa.c: (remove_ssa_form): Don't call it here.
2006-12-24 Jan Hubicka <jh@suse.cz>
* tree-mudflap.c (ml_decl_cache_locals, md_build_check_statement_for):
add newly referenced vars.
2006-12-24 Kazu Hirata <kazu@codesourcery.com>
* basic-block.h: Remove the prototype for
expected_value_to_br_prob.
* rtl.h: Remove the prototypes for expand_builtin_expect_jump
and purge_line_number_notes.
2006-12-23 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne,
assert_no_overflow_lt, assert_loop_rolls_lt,
number_of_iterations_lt, number_of_iterations_le,
number_of_iterations_cond, number_of_iterations_exit):
Use integer_zerop/integer_nonzerop instead of
null_or_integer_zerop/nonnull_and_integer_nonzerop.
* tree.h (null_or_integer_zerop, nonnull_and_integer_nonzerop):
Removed.
* tree-scalar-evolution.c (simple_iv): Return zero for step of
an invariant.
* tree-ssa-loop-ivopts.c (alloc_iv): Do not set step of invariants
to zero.
(get_iv): Return NULL for non-scalar types. Use zero as a step
of an invariant.
(determine_biv_step, find_interesting_uses_op,
find_interesting_uses_cond, find_interesting_uses_stmt,
add_old_ivs_candidates, determine_use_iv_cost_condition,
rewrite_use_compare, remove_unused_ivs):
Use integer_zerop instead of null_or_integer_zerop.
(struct ifs_ivopts_data): Replace step_p field with step field.
(idx_find_step): Use zero as a step of an invariant. Modify
step instead of *step_p.
(find_interesting_uses_address): Use zero as a step of an invariant.
Use integer_zerop instead of null_or_integer_zerop.
(find_interesting_uses_outside): Call find_interesting_uses_op only
for phi nodes for real operands.
(add_candidate_1): Expect step to be non-NULL.
* tree-ssa-loop-prefetch.c (idx_analyze_ref): Expect step to be
non-NULL.
2006-12-23 Andrew Pinski <pinskia@gmail.com>
* vec.c: Don't include tree.h.
* Makefile.in (vec.o): Update dependencies.
(build/vec.o): Likewise.
2006-12-23 Kazu Hirata <kazu@codesourcery.com>
* common.opt (flag_force_mem): Remove.
* doc/invoke.texi (-fforce-mem): Remove.
* opts.c (common_handle_option): Don't handle OPT_fforce_mem.
* Makefile.in (final.o): Depend on vecprim.h.
* final.c: Include vecprim.h.
(insn_addresses_): Change the type to VEC(int,heap)*.
* insn-addr.h (INSN_ADDRESSES_DEFN): Remove.
(INSN_ADDRESSES, INSN_ADDRESSES_ALLOC, INSN_ADDRESSES_SIZE,
INSN_ADDRESSES_NEW): Use VEC instead of VARRAY.
2006-12-23 Marcin Dalecki <martin@dalecki.de>
* cgraphunit.c (cgraph_optimize): Fixed obvious thinko in memory
consumption reporting.
2006-12-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR middle-end/7651
* c.opt (Wmissing-parameter-type): New.
* doc/invoke.texi (Wmissing-parameter-type): Document it.
(Wextra): Enabled by -Wextra.
* c-opts.c (c_common_post_options): Enabled by -Wextra.
* c-decl.c (store_parm_decls_oldstyle): Replace Wextra with
Wmissing-parameter-type.
2006-12-23 Eric Botcazou <ebotcazou@adacore.com>
* dwarf2out.c (dbx_reg_number): Do leaf register remapping
only if the function is leaf.
(multiple_reg_loc_descriptor): Likewise.
2006-12-23 Kazu Hirata <kazu@codesourcery.com>
* rtl.h (NOTE_EXPECTED_VALUE): Remove.
2006-12-23 Jan Hubicka <jh@suse.cz>
* toplev.c (dump_memory_report): Break out from...
(finalize): Here.
* toplev.h (dump_memory_report): Declare.
(cmp_statistic): Rename to ...
(final_cmp_statistic): ... this one
(cmp_statistic): New.
(dump_ggc_loc_staitsitcs): New FINAL parpameter.
* common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
* varray.c (dump_varray_staitiscs): Do not segfault when no varray was
allocated so far.
* cgraphunit.c (cgraph_optimize): Dump the memory reports.
2006-12-22 Mike Stump <mrs@apple.com>
* config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
-mmacosx-version-min=10.4.
(crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
2006-12-23 Jan Hubicka <jh@suse.cz>
* tree-flow-inline.h (var_ann): External variable annotations are
unshared too.
(tree_common_ann): Handle correctly unshared variables annotations.
* tree-dfa.c (create_var_ann): External variable annotations are
unshared too.
2006-12-22 Kazu Hirata <kazu@codesourcery.com>
* basic-block.h: Remove the prototype for
commit_edge_insertions_watch_calls.
* cfgrtl.c (commit_edge_insertion): Drop the last argument.
Simplify.
(commit_edge_insertions_watch_calls): Remove.
(commit_edge_insertions): Adjust the call to
commit_one_edge_insertion.
2006-12-22 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
(number_of_iterations_ne, number_of_iterations_lt_to_ne,
assert_no_overflow_lt, assert_loop_rolls_lt,
number_of_iterations_lt, number_of_iterations_le,
number_of_iterations_cond, tree_simplify_using_condition_1,
number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
Do not use zero_p/nonzero_p.
* tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
* tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
find_interesting_uses_op, find_interesting_uses_cond,
find_interesting_uses_address, find_interesting_uses_stmt,
strip_offset_1, add_candidate_1, add_old_ivs_candidates,
difference_cost, determine_use_iv_cost_condition,
rewrite_use_compare, remove_unused_ivs): Ditto.
* tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
* tree-cfg.c (find_taken_edge_cond_expr): Ditto.
* tree.h (zero_p): Declaration removed.
(null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
2006-12-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR middle-end/7651
* c.opt (Wclobbered): New.
* doc/invoke.texi (Wclobbered): Document it.
(Wextra): Enabled by -Wextra.
* c-opts.c (c_common_post_options): Enabled by -Wextra.
* flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
* function.c (setjmp_vars_warning): Only warn for Wclobbered.
(setjmp_args_warning): Likewise.
2006-12-22 Kazu Hirata <kazu@codesourcery.com>
* config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
tree-ssa-ter.c: Fix comment typos.
2006-12-22 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/29840
* fwprop.c (forward_propagate_into): Reject artificial uses/defs.
(fwprop_init): Add DF_HARD_REGS to df_init call.
2006-12-21 Andrew Pinski <pinskia@gmail.com>
* tree-nested.c (create_tmp_var_for): Check for vector type
when setting DECL_GIMPLE_REG_P.
2006-12-21 Roger Sayle <roger@eyesopen.com>
* tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
as the else branch of a COND_EXPR.
2006-12-22 Kazu Hirata <kazu@codesourcery.com>
* cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
output.h, toplev.c, tree-affine.h, tree-flow.h,
tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
tree-vrp.c, varpool.c: Fix comment typos.
* cgraphunit.c, varpool.c: Fix comment typos.
2006-12-22 Ulrich Weigand <uweigand@de.ibm.com>
* config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
* config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
for insn setting up the frame pointer. Do not set it for insns
setting up scratch registers or storing the backchain.
2006-12-21 Eric Botcazou <ebotcazou@adacore.com>
PR other/29639
* configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
* configure: Regenerate.
2006-12-21 Joseph Myers <joseph@codesourcery.com>
* rtlanal.c (subreg_get_info): Do not make register size
computations for mode sizes not divisible by the number of
registers.
2006-12-21 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-structalias.c (build_constraint_graph): Insert complex
offsetted constraints into rhsvar, not lhsvar.
2006-12-21 Jakub Jelinek <jakub@redhat.com>
PR middle-end/30262
PR middle-end/30263
* tree-nested.c (walk_asm_expr): New function.
(walk_stmts): Use it for ASM_EXPR.
PR target/30230
* config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
(bundling): Use it.
2006-12-21 Nathan Sidwell <nathan@codesourcery.com>
PR target/28966
PR target/29248
* reload1.c (reload): Realign stack after it changes size.
2006-12-20 Roger Sayle <roger@eyesopen.com>
* simplify-rtx.c (simplify_subreg): Use the correct mode when
determining whether a SUBREG of a CONCAT refers to the first or
second component.
2006-12-21 Ben Elliston <bje@au.ibm.com>
* config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
local variable `d'.
2006-12-20 Jan Hubicka <jh@suse.cz>
* tree-dfa.c (add_referenced_var): Walk initializers of
non-constant/readonly static vars.
2006-12-20 Jan Hubicka <jh@suse.cz>
* tree-flow-inline.h (gimple_var_anns): New function.
(var_ann): Use hashtable for static functions.
* tree-dfa.c (create_var_ann): Likewise.
* tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
(init_tree_ssa): Initialize var anns.
(delete_tree_ssa): Delete var anns; also clear out gimple_df.
* tree-flow.h (struct static_var_ann_d): New structure.
(gimple_df): Add var_anns.
2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
PR bootstrap/30242
* gcc/c-incpath.c (add_standard_paths): Only relocate paths that
begin with the configured prefix.
2006-12-20 Jan Hubicka <jh@suse.cz>
PR target/30213
* i386.c (expand_setmem_epilogue): Fix formating.
(dsmalest_pow2_greater_than): New function.
(ix86_expand_movmem): Improve comments; avoid re-computing of
epilogue size.
(promote_duplicated_reg_to_size): Break out from ...
(expand_setmem): ... this one; reorganize promotion code;
improve comments; avoid recomputation of epilogue size.
2006-12-20 Andrew Pinski <pinskia@gmail.com>
PR middle-end/30143
* omp-low.c (init_tmp_var): New function.
(save_tmp_var): New function.
(lower_omp_1): Use them for VAR_DECL.
2006-12-20 Andrew Pinski <pinskia@gmail.com>
* tree-gimple.c (is_gimple_min_invariant): Treat constant vector
CONSTRUCTORs as min invariants.
2006-12-20 Joseph Myers <joseph@codesourcery.com>
* rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
New.
(subreg_regno_offset, subreg_offset_representable_p): Change to
wrappers about subreg_get_info.
(refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
* rtl.h (subreg_nregs): Declare.
* doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
subreg_get_info.
* caller-save.c (mark_set_regs, add_stored_regs): Use
subreg_nregs.
* df-scan.c (df_ref_record): Use subreg_nregs.
* flow.c (mark_set_1): Use subreg_nregs.
* postreload.c (move2add_note_store): Use subreg_nregs.
* reload.c (decompose, refers_to_regno_for_reload_p,
reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
* resource.c (update_live_status, mark_referenced_resources,
mark_set_resources): Use subreg_nregs.
2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
* loop-unswitch.c (unswitch_loop): Update arguments of
duplicate_loop_to_header_edge call.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
* loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Ditto.
* cfgloopmanip.c (loop_version): Ditto.
(duplicate_loop_to_header_edge): Change
type of to_remove to VEC(edge), remove n_to_remove argument.
* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
Change type of to_remove to VEC(edge), remove n_to_remove argument.
(tree_unroll_loop): Update arguments of
tree_duplicate_loop_to_header_edge call.
* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
Change type of to_remove to VEC(edge), remove n_to_remove argument.
* cfghooks.h (struct cfg_hooks): Type of
cfg_hook_duplicate_loop_to_header_edge changed.
(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
* cfgloop.h (duplicate_loop_to_header_edge): Ditto.
* tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
* config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
(vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
(vec_widen_smult_lo_v8hi): New.
* config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
(spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
2006-12-20 Jan Hubicka <jh@suse.cz>
* cgraph.c: Update overall comment; fix vertical spacing.
* ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
2006-12-20 Jan Hubicka <jh@suse.cz>
* cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
macros.
(varpool_first_static_initializer, varpol_next_static_initializer): New
inline functions.
* ipa-reference.c (analyze_variable): Simplify.
(static_execute): Use FOR_EACH_STATIC_INITIALIZER.
* ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
2006-12-19 Andrew Pinski <pinskia@gmail.com>
PR tree-opt/30045
* tree-vrp.c (nonnull_arg_p): Treat the static decl as always
non null.
2006-12-20 Ben Elliston <bje@au.ibm.com>
* doc/invoke.texi (Optimize Options): Typo fix.
2006-12-19 Eric Christopher <echristo@apple.com>
* config/darwin.c (machopic_select_section): Rewrite.
(darwin_text_section): New.
(darwin_rodata_section): Ditto.
(darwin_mergeable_string_section): Ditto.
(darwin_mergeable_constant_section): Ditto.
* config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
2006-12-19 Steve Ellcey <sje@cup.hp.com>
* config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
2006-12-19 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/29544
* gcc/Makefile.in (STAGE1_CHECKING): Rename to...
(STAGE1_CHECKING_CFLAGS): ... this.
2006-12-18 Andrew Pinski <pinskia@gmail.com>
PR target/29779
* config/rs6000/rs6000.c (altivec_init_builtins): Change to set
READONLY on __builtin_altivec_mask_for_load instead of adding
the attribute.
2006-12-18 Roger Sayle <roger@eyesopen.com>
Eric Christopher <echristo@apple.com>
PR target/29302
* real.c (real_maxval): Correctly handle IBM extended double format.
2006-12-19 Jan Hubicka <jh@suse.cz>
* expmed.c (expand_mult_const): Force operand to constant.
* rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
copy_rtx to arguments.
2006-12-19 Ben Elliston <bje@au.ibm.com>
* config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2006-12-19 Ben Elliston <bje@au.ibm.com>
* cse.c (cse_insn): Fix formatting.
2006-12-18 Geoffrey Keating <geoffk@apple.com>
* doc/invoke.texi (Debugging Options): Document -g0.
* config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
* config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
2006-12-18 Ian Lance Taylor <iant@google.com>
* c.opt (Wmissing-declarations): Add C++ and ObjC++.
* doc/invoke.texi (Warning Options): -Wmissing-declarations now
works for C++.
2006-12-18 Andrew MacLeod <amacleod@redhat.com>
* tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
(struct vuse_optype_d): Delete.
(SSA_OPERAND_MEMORY_SIZE): Delete.
(struct ssa_operand_memory_d): Change mem array to size one.
(NUM_VOP_FREE_BUCKETS): Define.
(free_vuses, free_vdefs): Replace with vop_free_buckets array.
(vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
* tree-pretty-print.c (dump_vops): Use voptype_d type.
* tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
which fit into a chunk of memory from a specific bucket.
(vop_free_bucket_index): New. Find correct size memory bucket.
(init_vop_buckets): New. Initialize VOP free memory buckets.
(add_vop_to_freelist): New. Add a VOP to the correct free list.
(ssa_operand_mem_size): New. Current size of an operand memory chunk.
(init_ssa_operands): Initialize operand memory and free lists.
(fini_ssa_operands): Remove references to free_vuses and free_vdefs.
(ssa_operand_alloc): Use graduated size memory allocation.
(APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
INITIALIZE_USE): Remove.
(alloc_vop): New. Allocate a virtual operand.
(alloc_vdef, alloc_vuse): Delete.
(add_def_op, add_use_op): Directly setup pointers.
(add_vop): New. Add a virtual operand.
(add_vuse_op, add_vdef_op): Call add_vop.
(realloc_vop): New. Reallocate a virtual operand.
(realloc_vdef, realloc_vuse): Call realloc_vop.
(finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
(finalize_ssa_defs): Optimize for common case, remove code based on
sorted pointers which was a waste of time.
(finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
(finalize_ssa_uses): Update last pointer.
(finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
(finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
directly manipulate pointers.
(copy_virtual_operands): Use voptype_d, and no need to update pointers.
2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
* config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
determine if memory operand is an indexed address or not.
2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
* cselib.c (struct cselib_val_struct): Make val_rtx its
own field, remove the union that contained it.
* cselib.c: Update accordingly where necessary.
2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
* cse.c (have_eh_succ_edges): New function.
(cse_insn): Don't remove dead EH edges here
(cse_extended_basic_block): Do it here.
(rest_of_handle_cse, rest_of_handle_cse2): Don't assert
that we have removed all dead edges.
2006-12-17 Matthias Klose <doko@debian.org>
PR libstdc++/11953
* gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
* cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
(cse_extended_basic_block): When truncating a path while processing
it, make sure to clear the visited bit on the basic blocks in the
truncated part of the path.
(cse_main): Use reverse completion order, not DFS order, to walk
the CFG.
(gate_handle_cse): Revert erroneous commit of a counter.
2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
* cse.c (this_insn_cc0, this_insn_cc0_mode): New global
variables, moved out from cse_insn.
(prev_insn): Remove this global variable).
(new_basic_block): Don't set it.
(cse_insn): Idem. Also, move code to delete unused CC0-setter
insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
from here...
(cse_extended_basic_block): ...to here. Do not clear
prev_insn_cc0 until after recording equivalences from jumps.
2006-12-16 Jan Hubicka <jh@suse.cz>
* cgraphunit.c (ipa_passes): Clear current_function_decl.
2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
* passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
2006-12-16 Jan Hubicka <jh@suse.cz>
* omp-low.c (expand_omp_parallel): Set function properties.
* function.h (struct function): Add curr_properties and last_verified.
* passes.c (register_dump_files): Do not set TODO_set_props for the
first pass
(init_optimization_passes): Set it here; reorder initialization so the
dump files appear in more logical order.
(last_verified, curr_properties): Kill.
(do_per_function): New function.
(execute_function_todo): Break out from ...
(execute_todo): ... here; handle per-function flags.
(clear_last_verified, verify_curr_properties,
update_properties_after_pass): New functions.
(execute_one_pass): Handle per-function properties.
(execute_ipa_pass_list): Use do_per_function; sanity check that cfun
and current_function_decls are cleared out.
* ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
after use.
2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR middle-end/7651
* c.opt (Wempty-body): New.
* doc/invoke.texi (Wempty-body): Document it.
(Wextra): Enabled by -Wextra.
* c-opts.c (c_common_post_options): Enabled by -Wextra.
* c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
* c-parser.c (c_parser_c99_block_statement): Likewise.
2006-12-15 Jakub Jelinek <jakub@redhat.com>
PR target/30185
* config/rs6000/rs6000.md (div<mode>3): Use correct mode in
force_reg call.
2006-12-15 Andrew Pinski <pinski@gmail.com>
PR tree-opt/30140
* tree-inline.c (setup_one_parameter): Gimplify the statement if
the variable is not a gimple register variable.
2006-12-15 Uros Bizjak <ubizjak@gmail.com>
* invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
2006-12-14 Jan Hubicka <jh@suse.cz>
* tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
to proper place.
2006-12-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/30197
* builtins.c (fold_builtin_cexp): New function to fold cexp
to cexpi and exp parts.
* tree-ssa-pre.c (try_combine_conversion): Also handle
REALPART_EXPR and IMAGPART_EXPR.
2006-12-14 Richard Guenther <rguenther@suse.de>
PR middle-end/30172
* fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
+ __complex__ ( 0, y ) to __complex__ ( x, y ).
Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
2006-12-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/30198
* fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
Fold IMAGPART_EXPR of cexpi to sin.
2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
Trevor Smigiel <trevor_smigiel@playstation.sony.com>
* spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
(spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
only.
(spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
(spu_builtin_mask_for_load): New.
* spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
* spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
(vec_realign_load_<mode>, spu_lvsr): New.
2006-12-13 Ian Lance Taylor <iant@google.com>
PR c++/19564
PR c++/19756
* c-typeck.c (parser_build_binary_op): Move parentheses warnings
to warn_about_parentheses in c-common.c.
* c-common.c (warn_about_parentheses): New function.
* c-common.h (warn_about_parentheses): Declare.
* doc/invoke.texi (Warning Options): Update -Wparentheses
description.
2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-ivopts.c: Include tree-affine.h.
(divide): Removed.
(constant_multiple_of): Fix order of operators for division.
(aff_combination_const, aff_combination_elt, aff_combination_scale,
aff_combination_add_elt, aff_combination_add, aff_combination_convert,
tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
aff_combination_to_tree): Moved to tree-affine.c and made to work with
double_int coefficients.
(get_computation_aff, get_computation_at): Work with double_int
coefficients.
(get_computation_cost_at): Do not use divide.
(rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
Assert that expressing the computation did not fail.
* tree-ssa-address.c: Include tree-affine.h.
(add_to_parts, most_expensive_mult_to_index, addr_to_parts,
create_mem_ref): Work with double_int coefficients.
* tree-affine.c: New file.
* tree-affine.h: New file.
* tree-flow.h (struct affine_tree_combination): Removed.
* Makefile.in (tree-affine.o): Add.
(tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
dependency.
2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
PR middle-end/30191
Revert:
* reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
the offset == 0 "then" clauses.
* config/rs6000/predicates.md (gpc_reg_operand): Check for
reload_in_progress.
2006-12-13 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
(FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
(REG_ALLOC_ORDER): Remove one element due to removal of dir register.
(FRAME_POINTER_REGNUM): Update register number to 20.
(REG_CLASS_CONTENTS): Update contents due to removed dir register.
(HI_REGISTER_NAMES): Remove "dirflag".
* config/i386/i386.c (regclass_map): Remove dirflag entry.
(dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
Remove "dir" entry.
(ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
* config/i386/i386.md (R10_REG, R11_REG): Renumber.
(sse_prologue_save, *sse_prologue_save_insn): Renumber
hardcoded SSE register numbers.
* config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
hardcoded MMX register numbers.
2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
* config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
FLDMX. Rename function to...
(vfp_output_fldmd): ...this.
(vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
function to...
(vfp_output_fstmd): ...this.
(vfp_emit_fstmx): Don't leave space in the frame layout for the
FSTMX format word. Rename function to...
(vfp_emit_fstmd): ...this.
(arm_get_vfp_saved_size): Don't add in space for the FSTMX format
word.
(arm_output_epilogue): Adjust comment to reflect use of FSTMD.
(arm_unwind_emit_sequence): Don't compensate for the FSTMX format
word. Also emit "vsave" assembler directives in such cases rather
than "save".
* config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
gnu_Unwind_Save_VFP): Adjust comments.
(gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
for saving and restoring using FSTMD and FLDMD rather than
FSTMX and FLDMX.
(gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
New functions for saving and restoring the VFPv3 registers 16 .. 31.
* config/arm/pr-support.c (gnu_unwind_execute): Add conditional
compilation case to correctly handle unwind opcode 0xc8 when using
VFP.
* config/arm/unwind-arm.c (struct vfpv3_regs): New.
(DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
(__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
__gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
Declare.
(restore_non_core_regs): Restore registers using FLDMD rather than
FLDMX if required. Also handle restoration of VFPv3 registers.
(_Unwind_VRS_Pop): Handle saving and restoring of registers using
FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
including cases where the caller specifies a range of registers
that overlaps the d15/d16 boundary.
2006-12-13 Diego Novillo <dnovillo@redhat.com>
PR 30089
* tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
accomodate 511 operands.
2006-12-13 Richard Guenther <rguenther@suse.de>
* builtins.c (expand_builtin_cexpi): Fix typo.
2006-12-13 Jan Hubicka <jh@suse.cz>
* Makefile.in: Add dependencies.
* tree-pretty-print.c: Include value-prof.h
(dump_generic_bb_buff): Dump histograms
* value-prof.c: Include pointer-set.h
(gimple_alloc_histogram_value, histogram_hash, histogram_eq,
set_histogram_value, gimple_histogram_value,
gimple_add_histogram_value, gimple_remove_histogram_value,
gimple_histogram_value_of_type, dump_histogram_value,
dump_histograms_for_stmt, gimple_remove_stmt_histograms,
gimple_duplicate_stmt_histograms, visit_hist,
verify_histograms): New functions.
(tree_value_profile_transformations): Update for new histogram API.
(tree_divmod_fixed_value): Update for new histogram API.
(tree_divmod_fixed_value_transform): Update for new histogram API.
(tree_mod_pow2): Update for new histogram API.
(tree_mod_pow2_value_transform): Update for new histogram API.
(tree_mod_subtract): Update for new histogram API.
(tree_mod_subtract_transform): Update for new histogram API.
(tree_stringops_transform): Update for new histogram API.
(tree_divmod_values_to_profile): Update for new histogram API.
(tree_stringops_values_to_profile): Update for new histogram API.
(tree_find_values_to_profile): Update for new histogram API.
* value-prof.h (gimple_histogram_value): Declare.
(gimple_histogram_value_of_type): Declare.
(gimple_add_histogram_value): Declare.
(gimple_remove_histogram_value): Declare.
(dump_histograms_for_stmt): Declare.
(gimple_remove_histogram_value): Declare.
(gimple_remove_stmt_histograms): Declare.
(gimple_duplicate_stmt_histograms): Declare.
(verify_histograms): Declare.
* function.h
(struct funrction): Add value_histograms hash.
(VALUE_HISTOGRAMS): New macro.
* profile.c (compute_value_histograms): update for new API.
* tree-inline.c: Include value-prof.h
(copy_bb): Update histograms.
* tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
reorder to get smaller memory layout.
* tree-cfg.c: Include value-prof.h
(bsi_remove): Update histograms.
(bsi_replace): Update histograms.
(verify_stmts): Call histogram verifier.
(tree_duplicate_bb): Update histograms.
(move_block_to_fn): Update histograms.
2006-12-13 Richard Guenther <rguenther@suse.de>
* ipa-inline.c (cgraph_flatten_node): Replace leafify with
flatten.
(cgraph_decide_inlining): Likewise.
2006-12-13 Richard Guenther <rguenther@suse.de>
PR tree-optimization/17687
* builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
New builtins for imaginary argument cexp.
* builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
New required builtin types.
* builtins.c (expand_builtin_cexpi): Declare.
(mathfn_built_in): Handle BUILT_IN_CEXPI.
(expand_builtin_cexpi): New static helper.
(expand_builtin): Call it.
(do_mpfr_sincos): Adjust for CEXPI evaluation.
(fold_builtin_sincos): New function to fold sincos to cepxi.
2006-12-13 Richard Guenther <rguenther@suse.de>
* ipa-reference.c (scan_for_static_refs): Also scan
tcc_comparison class trees.
2006-12-12 David Daney <ddaney@avtrex.com>
* config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
define.
2006-12-12 Andrew Pinski <pinskia@gmail.com>