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| author | Ira Rosen <irar@il.ibm.com> | 2006-12-12 13:07:39 +0000 |
|---|---|---|
| committer | Ira Rosen <irar@gcc.gnu.org> | 2006-12-12 13:07:39 +0000 |
| commit | a3895f55f7b6278ed4ce31883d75ed3094da96af (patch) | |
| tree | a7c9004d84030f2e840f713009d443402d46a395 /gcc/tree-vect-transform.c | |
| parent | e2c104d8b62382883eb3a704f56b7394f2c1e8e6 (diff) | |
| download | gcc-a3895f55f7b6278ed4ce31883d75ed3094da96af.zip gcc-a3895f55f7b6278ed4ce31883d75ed3094da96af.tar.gz gcc-a3895f55f7b6278ed4ce31883d75ed3094da96af.tar.bz2 | |
tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check for stores with gaps.
* tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
for stores with gaps.
* tree-vect-transform.c (vect_permute_store_chain): Create
interleave_high or interleave_low according to the endianess.
From-SVN: r119779
Diffstat (limited to 'gcc/tree-vect-transform.c')
| -rw-r--r-- | gcc/tree-vect-transform.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/gcc/tree-vect-transform.c b/gcc/tree-vect-transform.c index 1be7689..f83d92a 100644 --- a/gcc/tree-vect-transform.c +++ b/gcc/tree-vect-transform.c @@ -2592,23 +2592,41 @@ vect_permute_store_chain (VEC(tree,heap) *dr_chain, vect1 = VEC_index (tree, dr_chain, j); vect2 = VEC_index (tree, dr_chain, j+length/2); - /* high = interleave_high (vect1, vect2); */ + /* Create interleaving stmt: + in the case of big endian: + high = interleave_high (vect1, vect2) + and in the case of little endian: + high = interleave_low (vect1, vect2). */ perm_dest = create_tmp_var (vectype, "vect_inter_high"); add_referenced_var (perm_dest); - perm_stmt = build2 (GIMPLE_MODIFY_STMT, void_type_node, perm_dest, - build2 (VEC_INTERLEAVE_HIGH_EXPR, vectype, vect1, - vect2)); + if (BYTES_BIG_ENDIAN) + perm_stmt = build2 (GIMPLE_MODIFY_STMT, void_type_node, perm_dest, + build2 (VEC_INTERLEAVE_HIGH_EXPR, vectype, + vect1, vect2)); + else + perm_stmt = build2 (GIMPLE_MODIFY_STMT, void_type_node, perm_dest, + build2 (VEC_INTERLEAVE_LOW_EXPR, vectype, + vect1, vect2)); high = make_ssa_name (perm_dest, perm_stmt); GIMPLE_STMT_OPERAND (perm_stmt, 0) = high; vect_finish_stmt_generation (stmt, perm_stmt, bsi); VEC_replace (tree, *result_chain, 2*j, high); - /* low = interleave_low (vect1, vect2); */ + /* Create interleaving stmt: + in the case of big endian: + low = interleave_low (vect1, vect2) + and in the case of little endian: + low = interleave_high (vect1, vect2). */ perm_dest = create_tmp_var (vectype, "vect_inter_low"); add_referenced_var (perm_dest); - perm_stmt = build2 (GIMPLE_MODIFY_STMT, void_type_node, perm_dest, - build2 (VEC_INTERLEAVE_LOW_EXPR, vectype, vect1, - vect2)); + if (BYTES_BIG_ENDIAN) + perm_stmt = build2 (GIMPLE_MODIFY_STMT, void_type_node, perm_dest, + build2 (VEC_INTERLEAVE_LOW_EXPR, vectype, + vect1, vect2)); + else + perm_stmt = build2 (GIMPLE_MODIFY_STMT, void_type_node, perm_dest, + build2 (VEC_INTERLEAVE_HIGH_EXPR, vectype, + vect1, vect2)); low = make_ssa_name (perm_dest, perm_stmt); GIMPLE_STMT_OPERAND (perm_stmt, 0) = low; vect_finish_stmt_generation (stmt, perm_stmt, bsi); |