gcc/ChangeLog:
PR debug/30189
* dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
even if cv-qualification is the same.
gcc/testsuite/ChangeLog:
PR debug/30189
* gcc.dg/pr30189.c: New test.
From-SVN: r121638
PR target/30665
* config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
("*andhi_clear", andu (casesi+45)): For size-changed operand where
memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
From-SVN: r121613
* config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
("*andhi_clear", andu (casesi+45)): For size-changed operand where
memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
From-SVN: r121612
* fold-const.c (fold_unary) <REAL_PART>: Test for availability of
BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
<IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
* builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
before canonicalizing sincos to cexpi.
(fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
From-SVN: r121607
* config/alpha/alpha.c (alpha_add_builtins): New Helper function.
Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
(alpha_init_builtins): Use alpha_add_builtins to process tables.
From-SVN: r121603
gcc/
* doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
DWARF_FRAME_RETURN_COLUMN to be a general register.
* dwarf2out.c (init_return_column_size): New function, split from...
(expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
to be nongeneral registers.
* config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
integer registers.
(DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
(DWARF_ALT_FRAME_RETURN_COLUMN): Define.
From-SVN: r121593
PR middle-end/30696
* ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
nodes in cgraph, don't remove offline copy of the function.
From-SVN: r121582
* tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
vectors might cause maybe_lookup_element_for_expr to be called
on non-sra-candidate.
From-SVN: r121578
2007-02-04 Richard Guenther <rguenther@suse.de>
PR middle-end/30636
* fold-const.c (try_move_mult_to_index): Make sure to not
overflow one dimension of a multi-dimensional array access.
* g++.dg/warn/pr30636.C: New testcase.
* g++.dg/tree-ssa/tmmti-2.C: XFAIL parts.
From-SVN: r121575
* tree-optimize.c (has_abnormal_outgoing_edge_p): Move to tree-inline.
(execute_fixup_cfg): Break out the abnormal goto code.
* tree-inline.c (has_abnormal_outgoing_edge_p): Move here from
tree-optimize.c.
(make_nonlocal_label_edges): Move here from execute_fixup_cfg.
(optimize_inline_calls): Call make_nonlocal_label_edges.
Co-Authored-By: Eric Botcazou <ebotcazou@libertysurf.fr>
From-SVN: r121572
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
true when something was changed.
(rename_ssa_copies): When something was changed, do
TODO_remove_unused_locals.
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
add TODO_remove_unused_locals when instruction was removed.
From-SVN: r121571
* ipa-inline.c (try_inline): Improve debug output; work on already
inline edges too.
(cgraph_decide_inlining_incrementally): Indent; improve debug output;
call try_inline for already inlined edges too when flattening;
inline also functions that make callee growth but overall unit size
reduce.
From-SVN: r121570
2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
* c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
warn about C++0x compatibility.
From-SVN: r121564
PR gcov-profile/30650
* value-prof.c (stringop_block_profile): Fix handling of size counter;
do not divide by zero for never executed counters.
(tree_find_values_to_profile): Fix counters.
* gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
From-SVN: r121554
* lower-subreg.c (simple_move_operand): New static function,
broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
operands.
(simple_move): Call simple_move_operand.
(find_decomposable_subregs): Add special handling of MEMs.
(can_decompose_p): Rename from cannot_decompose_p. Reverse
meaning of return value. If we see a hard register, test whether
it can store a word_mode value. Change all callers.
From-SVN: r121553
* pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
ftrapv insns and expanders.
(subdi3): Change define_expand operand 1 to arith11_operand, and
operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
respectively.
From-SVN: r121552
* simplify-rtx.c (simplify_relational_operation_1): Implement some
canonicalization transformations that attempt to simplify integer
constant comparisons to become comparisons against zero.
From-SVN: r121544
* config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
* config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
(output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
generate a branch island.
Radar 4967371
From-SVN: r121534
2007-02-02 Hui-May Chang <hm.chang@apple.com>
Revert for x86 darwin:
2005-06-19 Uros Bizjak <uros@kss-loka.si>
* config/i386/i386.c (ix86_function_arg_regno_p): Put back the
code before the following patch under TARGET_MACHO.
(ix86_function_value_regno_p): Likewise.
From-SVN: r121515
PR middle-end/30473
* builtins.c (fold_builtin_sprintf): Do not attempt to optimize
sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
* gcc.dg/pr30473.c: New test.
* gcc.c-torture/execute/20070201-1.c: New test.
From-SVN: r121495
* sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
(struct _dep): New type.
(dep_t): New typedef.
(DEP_PRO, DEP_CON, DEP_KIND): New access macros.
(DEP_STATUS): New access macro. The macro with the same name was
renamed to DEP_LINK_STATUS.
(dep_init): Declare function
(struct _dep_link): New type.
(dep_link_t): New typedef.
(DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
(DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
(DEP_LINK_STATUS): New macro.
(debug_dep_links): New debug function.
(struct _deps_list): New type.
(deps_list_t): New typedef.
(DEPS_LIST_FIRST): New access macro.
(FOR_EACH_DEP_LINK): New cycle macro.
(create_deps_list, free_deps_list, delete_deps_list): Declare
functions.
(deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
(find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
(copy_deps_list_change_con): Ditto.
(move_dep_link): Declare function.
(struct _dep_node): New type.
(dep_node_t): New typedef.
(DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
(struct haifa_insn_data.back_deps): New field to hold backward
dependencies of the insn.
(struct haifa_insn_data.depend): Rename to forw_deps. Change its type
to deps_list_t.
(struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
Change its type to deps_list_t.
(INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
(INSN_DEPEND): Rename to INSN_FORW_DEPS.
(RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
(INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
(DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
(add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
all callers.
(dep_cost): Declare.
* sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
(ds_to_dk, dk_to_ds): New functions.
(init_dep_1): New static function.
(init_dep): New function.
(copy_dep): New static function.
(dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
functions.
(detach_dep_link): New static function.
(move_dep_link): New function.
(dep_links_consistent_p, dump_dep_links): New static functions.
(debug_dep_links): New debugging function.
(deps_obstack, dl_obstack, dn_obstack): New static variables.
(alloc_deps_list, init_deps_list): New static functions.
(create_deps_list): New function.
(clear_deps_list): New static function.
(free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
(deps_list_consistent_p, dump_deps_list): New static functions.
(debug_deps_list): New function.
(add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
functions.
(find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
(maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
use new scheduler dependencies lists.
(add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
(sched_analyze): Ditto. Initialize dependencies lists.
(add_forw_dep, compute_forward_dependences): Update to use new
scheduler dependencies lists.
(init_dependency_caches): Init deps_obstack.
(free_dependency_caches): Free deps_obstack.
(adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
new scheduler dependencies lists.
(delete_forw_dep, add_or_update_back_forw_dep): Ditto.
(add_back_forw_dep, delete_back_forw_dep): Ditto.
* sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
Update to use new scheduler dependencies lists.
(is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
(debug_dependencies): Ditto.
(schedule_region): Update comments.
* sched-ebb.c (earliest_block_with_similiar_load): Update to use new
scheduler dependencies lists.
(schedule_ebb): Update comments.
* rtl.def (DEPS_LIST): Remove.
* lists.c (unused_deps_list): Remove.
(free_list): Update assertions.
(alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
(remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
* rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
(remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
* haifa-sched.c (comments): Update.
(insn_cost1): Remove. Inline the code into insn_cost ().
(insn_cost): Update to use new scheduler dependencies lists. Move
processing of the dependency cost to dep_cost ().
(dep_cost): New function. Use it instead of insn_cost () when
evaluating cost of the dependency. Use compatible interface to
interact with the target.
(priority): Update to use new scheduler dependencies lists.
(rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
with greater number of insns that depend on the insn.
(schedule_insn): Update to use new scheduler dependencies lists. Add
code to free backward dependencies lists. Inline and optimize code
from resolve_dep () - see PR28071.
(ok_for_early_queue_removal): Update to use new scheduler dependencies
lists. Update call to targetm.sched.is_costly_dependence hook.
(fix_inter_tick, try_ready, fix_tick_ready): Update to use new
scheduler dependencies lists.
(resolve_dep): Remove. Move the logic to schedule_insn ().
(init_h_i_d): Initialize dependencies lists.
(process_insn_depend_be_in_spec): Rename to
process_insn_forw_deps_be_in_spec. Update to use new scheduler
dependencies lists.
(add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
Update to use new scheduler dependencies lists.
(clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
* ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
new scheduler dependencies lists.
(build_intra_loop_deps): Ditto.
* target.h (struct _dep): Declare to use in
gcc_target.sched.is_costly_dependence.
(struct gcc_target.sched.adjust_cost): Fix typo.
(struct gcc_target.sched.is_costly_dependence): Change signature to use
single dep_t parameter instead of an equivalent triad.
(struct gcc_target.sched.adjust_cost_2): Remove.
* target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
* reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
* doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
documentation.
(TARGET_SCHED_ADJUST_COST_2): Remove documentation.
* doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
(REG_DEP_TRUE): Document.
* config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
Change signature to correspond to the targetm.sched.adjust_cost hook.
Update use in TARGET_SCHED_ADJUST_COST_2.
(TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
(ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
new scheduler dependencies lists.
(ia64_gen_check): Ditto.
* config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
dependencies lists.
* config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
signature to correspond to the targetm.sched.is_costly_dependence hook.
(is_costly_group): Update to use new scheduler dependencies lists.
* config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
instead of INSN_COST () macro.
From-SVN: r121494
2007-02-01 Richard Guenther <rguenther@suse.de>
PR middle-end/30656
* fold-const.c (fold_negate_expr): Allow negating a
constant if overflow does not change.
From-SVN: r121460
2007-01-31 Dirk Mueller <dmueller@suse.de>
* c-common.c (warn_about_parentheses): Separate warning about
un-parenthized sequence of comparison operators from the one
which is supposed to warn about x <= y <= z.
* testsuite/gcc.dg/Wparentheses-2.c: Update and add new tests.
From-SVN: r121421
* builtins.c (expand_builtin_int_interclass_roundingfn): New function
to handle optabs that operate on floating point input argument and
output to integer output.
(expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
(expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
(expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
expand_builtin_interclass_mathfn ().
* config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
(ilogbsi2): Remove.
(ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
ilogbl built-in functions as x87 intrinsics.
From-SVN: r121336
2007-01-30 Richard Guenther <rguenther@suse.de>
PR middle-end/27657
* dwarf2out.c (reference_to_unused): Query varpool if the
variable was output.
* g++.dg/debug/pr27657.C: New testcase.
From-SVN: r121335
* fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
avoid undefined behaviour on overflow. Use force_fit_type_double
to construct the constant with the specified TREE_OVERFLOW.
From-SVN: r121332
* doc/gccint.texi (Top): Rename Loop Representation to Loop
Analysis and Representation to resolve case insensitive conflict.
* doc/loop.texi (Loop Analysis and Representation): Likewise.
From-SVN: r121306
2007-01-28 Daniel Berlin <dberlin@dberlin.org>
* tree.h (struct tree_memory_tag): Add aliases member.
(MTAG_ALIASES): New macro.
* tree-ssa-alias.c (alias_bitmap_obstack): New variable.
(add_may_alias): Remove pointer-set. Update for may_aliases being
a bitmap.
(mark_aliases_call_clobbered): Update for may_aliases being a
bitmap.
(compute_tag_properties): Ditto.
(create_partition_for): Ditto.
(compute_memory_partitions): Ditto.
(dump_may_aliases_for): Ditto.
(is_aliased_with): Ditto.
(add_may_alias_for_new_tag): Ditto.
(rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
(compute_is_aliased): New function.
(compute_may_aliases): Call compute_is_aliased).
(init_alias_info): Initialize alias_bitmap_obstack.
(union_alias_set_into): New function.
(compute_flow_sensitive_aliasing): Use union_aliases_into.
(have_common_aliases_p): Rewrite to take two bitmaps and use
intersection.
(compute_flow_insensitive_aliasing): Stop using pointer-sets.
Update for bitmaps.
(finalize_ref_all_pointers): Update for add_may_alias changes.
(new_type_alias): Ditto.
* tree-flow-inline.h (may_aliases): Return a bitmap.
* tree-dfa.c (dump_variable): Check for MTAG_P'ness.
* tree-ssa.c (verify_flow_insensitive_alias_info): Update for
may_aliases being a bitmap.
* tree-flow.h (struct var_ann_d): Remove may_aliases member.
may_aliases now returns a bitmap.
* tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
being a bitmap.
* tree-ssa-operands.c (add_virtual_operand): Update for
may_aliases being a bitmap.
From-SVN: r121302
2007-01-29 Daniel Berlin <dberlin@dberlin.org>
PR tree-optimization/30630
* tree-ssa-structalias.c (do_complex_constraint): Mark correct
variable as changed.
From-SVN: r121295
* tree.c (tree_fold_gcd): Delete.
* tree.h (tree_fold_gcd): Remove prototype.
* tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
test whether one constant integer is a multiple of another. Instead
call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
* fold-const.c (multiple_of_p): We've determined both TOP and
BOTTOM are integer constants so we can call int_const_binop directly
instead of the more generic const_binop.
From-SVN: r121253
* fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
1*X check that the constant hasn't overflowed, to preserve the
TREE_OVERFLOW bit.
(round_up): Provide an efficient implementation when rouding-up an
INTEGER_CST to a power-of-two.
* gcc-dg/large-size-array-3.c: New test case.
From-SVN: r121252
* tree-sra.c (sra_walk_function): Don't rely on aliases being build.
(pass_sra): Do not require alias information.
* passes.c (init_optimization_passes): Add SRA
From-SVN: r121240
* tracer.c (rest_of_handle_tracer): We already cleaned
up the CFG in tracer() so don't do it here again.
* cfgcleanup.c (rest_of_handle_jump2): Don't repeat
cleanup_cfg here, either. And don't call renumber_insns.
* cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
and BB_HEAD are in the insn stream here. Instead make sure
that BB_INSN is valid on all insns. Also, do check here that
there are no pending branch predictions...
(rtl_verify_flow_info): ...instead of doing it here. Checks
for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
here.
From-SVN: r121231