2008-03-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34172
* tree-flow.h (refs_may_alias_p): Declare.
(get_single_def_stmt): Likewise.
(get_single_def_stmt_from_phi): Likewise.
(get_single_def_stmt_with_phi): Likewise.
* tree-dfa.c (refs_may_alias_p): New function.
(get_single_def_stmt): Likewise.
(get_single_def_stmt_from_phi): Likewise.
(get_single_def_stmt_with_phi): Likewise.
* tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
(vn_reference_lookup_1): New helper function.
(vn_reference_lookup): Walk the virtual use-def chain to
continue searching for a match if the def does not alias the
reference we are looking for.
* gcc.dg/tree-ssa/ssa-fre-11.c: New testcase.
* gcc.dg/tree-ssa/ssa-fre-12.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-13.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-14.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-15.c: Likewise.
* gcc.dg/tree-ssa/20031106-4.c: Remove XFAIL.
From-SVN: r133222
2008-03-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34043
PR tree-optimization/33989
* tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
when doing FRE.
(bitmap_find_leader): Use extra argument to verify dominance
relationship inside a basic-block.
(can_PRE_operation): Add VIEW_CONVERT_EXPR.
(find_leader_in_sets): Adjust.
(create_component_ref_by_pieces): Take extra argument for
dominance check, handle lookup failures.
(find_or_generate_expression): Likewise.
(create_expression_by_pieces): Likewise.
(insert_into_preds_of_block): Adjust.
(create_value_expr_from): If asked for, verify all operands
are in the blocks AVAIL_OUT set.
(make_values_for_stmt): Check for SSA_NAMEs that are life
over an abnormal edge.
(compute_avail): Remove such check.
(do_SCCVN_insertion): New function.
(eliminate): If we do not find a leader suitable for replacement
insert a replacement expression from SCCVN if available.
* tree-ssa-sccvn.h (run_scc_vn): Update prototype.
(struct vn_ssa_aux): Add needs_insertion flag.
* tree-ssa-sccvn.c (may_insert): New global flag.
(copy_reference_ops_from_ref): Value-number union member access
based on its size, not type and member if insertion is allowed.
(visit_reference_op_load): For a weak match from union type
punning lookup a view-converted value and insert a SSA_NAME
for that value if that is not found.
(visit_use): Make dumps shorter. Do not disallow value numbering
SSA_NAMEs that are life over an abnormal edge to constants.
(free_scc_vn): Release inserted SSA_NAMEs.
(run_scc_vn): New flag to specify whether insertion is allowed.
Process SSA_NAMEs in forward order.
* tree-ssa-loop-im.c (for_each_index): Handle invariant
ADDR_EXPRs inside VIEW_CONVERT_EXPR.
* fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
pointer type to/from integral types that do not change the
precision to regular conversions.
* gcc.dg/tree-ssa/ssa-fre-7.c: New testcase.
* gcc.dg/tree-ssa/ssa-fre-8.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-9.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-10.c: Likewise.
* gcc.dg/tree-ssa/ssa-pre-17.c: Likewise.
From-SVN: r133218
PR testsuite/35406
* gcc.dg/tree-ssa/ldist-4.c: Update expected scan match
count from 0 to 1 for lp64 targets.
* gfortran.dg/ldist-1.f90: Update test to check
for 5 loops distributed instead of 4 for lp64 targets.
Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>
From-SVN: r133216
2008-03-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR testsuite/35406
* gcc.dg/tree-ssa/ldist-4.c: Update expected scan match count from 0
to 1.
From-SVN: r133207
2008-03-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/35406
* gfortran.dg/ldist-1.f90: Update test to check for 5 loops distributed
instead of 4.
From-SVN: r133206
2008-02-19 Alon Dayan <alond@il.ibm.com>
Olga Golovanevsky <olga@il.ibm.com>
PR tree-optimization/35041
* gcc.dg/struct/wo_prof_double_malloc.c: New test.
2008-03-13 Alon Dayan <alond@il.ibm.com>
Olga Golovanevsky <olga@il.ibm.com>
PR tree-optimization/35041
* ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
to locate the right position in a statement.
Co-Authored-By: Olga Golovanevsky <olga@il.ibm.com>
From-SVN: r133171
PR target/35553
* config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
__SSE_USE_INLINED_FUNC__ when using -flag-keep-inline-functions
together with optimization.
* config/i386/xmmintrin.h: Use __SSE_USE_INLINED_FUNC__ instead of
__OPTIMIZE__ to choose between inlined intrinsic SSE function having
immediate arguments and its equivalent macro definition.
* config/i386/bmintrin.h: Ditto.
* config/i386/smmintrin.h: Ditto.
* config/i386/tmmintrin.h: Ditto.
* config/i386/mmintrin-common.h: Ditto.
* config/i386/ammintrin.h: Ditto.
* config/i386/emmintrin.h: Ditto.
testsuite/ChangeLog:
PR target/35553
* g++.dg/other/i386-3.C: New test.
From-SVN: r133164
2008-03-12 Paul Brook <paul@codesourcery.com>
gcc/
* config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
(thumb2_alusi3_short): Exclude PLUS and MINUS.
(thumb2_addsi_shortim): Rename ...
(thumb2_addsi_short): ... to this. Allow register operands.
(thumb2_subsi_short): New pattern.
(thumb2_one_cmplsi2_short,
thumb2_negsi2_short): New patterns and peepholes.
From-SVN: r133152
2008-03-12 Paolo Bonzini <bonzini@gnu.org>
PR tree-opt/35422
* fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
conversion to the operands of a multiplication.
testsuite:
2008-03-12 Paolo Bonzini <bonzini@gnu.org>
PR tree-opt/35422
* gcc.dg/vect/slp-7.c: Change target keywords required for vectorizing
third loop.
* gcc.target/i386/pr35422.c: New.
From-SVN: r133144
2008-03-12 Richard Guenther <rguenther@suse.de>
PR c++/35469
Revert:
2008-02-04 Richard Guenther <rguenther@suse.de>
PR java/35035
* decl.c (record_builtin_java_type): Make jboolean a
integer type again where its mode doesn't match that of bool.
2008-01-25 Richard Guenther <rguenther@suse.de>
PR c++/33887
* decl.c (record_builtin_java_type): Make __java_boolean
a variant of bool.
* typeck.c (structural_comptypes): Move TYPE_FOR_JAVA check
after TYPE_MAIN_VARIANT check.
From-SVN: r133142
PR middle-end/35549
* omp-low.c (maybe_lookup_decl): Constify first argument.
(use_pointer_for_field): Change last argument from bool to
omp_context *. Disallow shared copy-in/out in nested
parallel if decl is shared in outer parallel too.
(build_outer_var_ref, scan_sharing_clauses,
lower_rec_input_clauses, lower_copyprivate_clauses,
lower_send_clauses, lower_send_shared_vars): Adjust callers.
* testsuite/libgomp.c/pr35549.c: New test.
From-SVN: r133136
2008-03-12 Victor Kaplansky <victork@il.ibm.com>
Ira Rosen <irar@il.ibm.com>
* tree-vectorizer.c (free_stmt_vec_info): New function.
(destroy_loop_vec_info): Move code to free_stmt_vec_info().
Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
* tree-vectorizer.h (free_stmt_vec_info): Declare.
* tree-vect-transform.c (vectorizable_conversion): Free
vec_oprnds0 if it was allocated.
(vect_permute_store_chain): Remove unused VECs.
(vectorizable_store): Free VECs that are allocated in the..
function.
(vect_transform_strided_load, vectorizable_load): Likewise.
(vect_remove_stores): Simplify the code.
(vect_transform_loop): Move code to vect_remove_stores().
Call vect_remove_stores() and free_stmt_vec_info().
Co-Authored-By: Ira Rosen <irar@il.ibm.com>
From-SVN: r133134
