diff options
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); |