From 7b7ec6c51efe53786f0efdc7c9127ba8221331fd Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Tue, 21 Jun 2011 11:02:38 +0000 Subject: re PR tree-optimization/49483 (unable to vectorize code equivalent to "scalbnf") 2011-06-21 Richard Guenther PR tree-optimization/49483 * tree-vect-stmts.c (vectorizable_assignment): Also handle VIEW_CONVERT_EXPR conversions. * gcc.dg/vect/vect-120.c: New testcase. From-SVN: r175252 --- gcc/tree-vect-stmts.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'gcc/tree-vect-stmts.c') diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index 6a5ba22..f9b9639 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -2089,6 +2089,9 @@ vectorizable_assignment (gimple stmt, gimple_stmt_iterator *gsi, else return false; + if (code == VIEW_CONVERT_EXPR) + op = TREE_OPERAND (op, 0); + if (!vect_is_simple_use_1 (op, loop_vinfo, bb_vinfo, &def_stmt, &def, &dt[0], &vectype_in)) { @@ -2099,7 +2102,8 @@ vectorizable_assignment (gimple stmt, gimple_stmt_iterator *gsi, /* We can handle NOP_EXPR conversions that do not change the number of elements or the vector size. */ - if (CONVERT_EXPR_CODE_P (code) + if ((CONVERT_EXPR_CODE_P (code) + || code == VIEW_CONVERT_EXPR) && (!vectype_in || TYPE_VECTOR_SUBPARTS (vectype_in) != nunits || (GET_MODE_SIZE (TYPE_MODE (vectype)) @@ -2134,7 +2138,8 @@ vectorizable_assignment (gimple stmt, gimple_stmt_iterator *gsi, /* Arguments are ready. create the new vector stmt. */ FOR_EACH_VEC_ELT (tree, vec_oprnds, i, vop) { - if (CONVERT_EXPR_CODE_P (code)) + if (CONVERT_EXPR_CODE_P (code) + || code == VIEW_CONVERT_EXPR) vop = build1 (VIEW_CONVERT_EXPR, vectype, vop); new_stmt = gimple_build_assign (vec_dest, vop); new_temp = make_ssa_name (vec_dest, new_stmt); -- cgit v1.1