2011-09-08 Richard Guenther <rguenther@suse.de>
PR tree-optimization/19831
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Do not mark
allocation functions as necessary.
* gcc.dg/tree-ssa/ssa-dce-8.c: New testcase.
From-SVN: r178683
PR target/50310
* config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Return
code early if TARGET_AVX.
(ix86_expand_fp_vcond): Handle LTGT and UNEQ.
* gcc.c-torture/execute/ieee/pr50310.c: New test.
* gcc.dg/pr50310-2.c: New test.
From-SVN: r178673
* bb-reorder.c (insert_section_boundary_note): Don't check
optimize_function_for_speed_p.
(gate_handle_partition_blocks): Do it here instead.
(gate_handle_reorder_blocks): Move preliminary checks here ...
(rest_of_handle_reorder_blocks): ... from here.
From-SVN: r178657
* regrename.c (struct du_head): Make nregs signed.
(closed_chains): Remove.
(create_new_chain): Return the new chain.
(chain_from_id): New static function.
(dump_def_use_chain): Change argument to be an int, indicating
the first ID to print. All callers changed.
(merge_overlapping_regs): Use chain_from_id. Assert that
chains don't conflict with themselves.
(rename_chains): Take no argument. Iterate over id_to_chain
rather to find chains to rename. Clear tick before the main
loop.
(struct incoming_reg_info): New struct.
(struct bb_rename_info): New struct.
(init_rename_info, set_incoming_from_chain, merge_chains): New
static functions.
(regrename_analyze): New static function, broken out of
regrename_optimize. Record and make use of open chain information
at basic block boundaries, and merge chains where possible.
(scan_rtx_reg): Make this_nregs signed. Don't update
closed_chains.
(build_def_use): Return a bool to indicate success. All callers
changed. Don't initialize global data here.
(regrename_optimize): Move most code out of here into
regrename_analyze.
* regs.h (add_range_to_hard_reg_set, remove_range_from_hard_reg_set,
range_overlaps_hard_reg_set_p, range_in_hard_reg_set_p): New
static inline functions.
* vec.h (FOR_EACH_VEC_ELT_FROM): New macro.
From-SVN: r178645
2011-09-07 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/49911
* tree-sra.c (analyze_access_subtree): Change type of to-be-replaced
enumerations to the corresponding plain integer type.
* testsuite/g++.dg/tree-ssa/pr49911.C: New test.
From-SVN: r178639
2011-09-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50319
* tree-if-conv.c (set_bb_predicate): Assert we only set
canonical predicates.
(add_to_predicate_list): Simplify. Allow TRUTH_NOT_EXPR
around canonical predicates.
(predicate_bbs): Do not re-gimplify already canonical
predicates. Properly unshare them though.
(find_phi_replacement_condition): Simplify.
From-SVN: r178638
gcc/
PR target/49030
* config/arm/arm-protos.h (maybe_get_arm_condition_code): Declare.
* config/arm/arm.c (maybe_get_arm_condition_code): New function,
reusing the old code from get_arm_condition_code. Return ARM_NV
for invalid comparison codes.
(get_arm_condition_code): Redefine in terms of
maybe_get_arm_condition_code.
* config/arm/predicates.md (arm_comparison_operator): Use
maybe_get_arm_condition_code.
gcc/testsuite/
PR target/49030
* gcc.dg/torture/pr49030.c: New test.
From-SVN: r178636
gcc:
* config/rs6000/rs6000.c (compute_save_world_info): Test
cfun->has_nonlocal_label to determine if the out-of-line save
world call may be used.
ada:
* gcc-interface/Makefile.in (darwin): Provide powerpc64 system
implementation.
* system-darwin-ppc64.ads: New file.
From-SVN: r178630
2011-09-06 François Dumont <fdumont@gcc.gnu.org>
Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/hashtable_policy.h (_Prime_rehash_policy::
_M_next_bkt): Cast _M_max_load_factor to long double.
(_Prime_rehash_policy::_M_bkt_for_elements): Use _M_next_bkt.
(_Prime_rehash_policy::_M_need_rehash): Likewise; cast all
float quantities to long double.
Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>
From-SVN: r178615
2011-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/47025
* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): BUILT_IN_VA_END
uses nothing.
(call_may_clobber_ref_p_1): BUILT_IN_VA_END is a barrier like
BUILT_IN_FREE.
(stmt_kills_ref_p_1): BUILT_IN_VA_END kills what its argument
definitely points to.
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
BUILT_IN_VA_START doesn't let its va_list argument escape.
* tree-ssa-dce.c (propagate_necessity): BUILT_IN_VA_END does
not make any previous stores necessary.
From-SVN: r178601
2011-09-06 Martin Jambor <mjambor@suse.cz>
* ipa-inline.h (struct inline_summary): Move versionable flag...
* cgraph.h (struct cgraph_local_info): ...here
* ipa-cp.c (determine_versionability): Use the new versionable flag.
(determine_versionability): Likewise.
(ipcp_versionable_function_p): Likewise.
(ipcp_generate_summary): Likewise.
* ipa-inline-analysis.c (dump_inline_summary): Do not dump the
versionable flag.
(compute_inline_parameters): Do not clear the versionable flag.
(inline_read_section): Do not stream the versionable flag.
(inline_write_summary): Likewise.
* lto-cgraph.c (lto_output_node): Stream the versionable flag.
(input_overwrite_node): Likewise.
From-SVN: r178598
2011-09-06 Robert Dewar <dewar@adacore.com>
* sem_ch10.adb, impunit.ads, impunit.adb (Not_Impl_Defined_Unit): New
name for Is_RM_Defined_Unit. Also several fixes to this unit.
From-SVN: r178596
2011-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48317
* tree-ssa-sccvn.h (struct vn_nary_op_s): Make op a true
trailing array.
(sizeof_vn_nary_op): New inline function.
(vn_nary_op_lookup_pieces): Adjust.
(vn_nary_op_insert_pieces): Likewise.
* tree-ssa-sccvn.c (vn_nary_op_eq): Also compare the length.
(init_vn_nary_op_from_pieces): Adjust signature. Deal with
any number of operands.
(vn_nary_length_from_stmt): New function.
(init_vn_nary_op_from_stmt): Adjust for CONSTRUCTOR handling.
(vn_nary_op_lookup_pieces): Adjust signature and allocate properly
sized temporary.
(vn_nary_op_lookup): Likewise.
(vn_nary_op_lookup_stmt): Likewise.
(vn_nary_op_insert_into): Likewise.
(vn_nary_op_insert_stmt): Likewise.
(visit_use): Handle CONSTRUCTOR as nary.
* tree-ssa-pre.c (phi_translate_1): Adjust.
(create_expression_by_pieces): Likewise.
(compute_avail): Likewise.
* gcc.dg/tree-ssa/ssa-fre-31.c: New testcase.
From-SVN: r178595
