From c6b3a2daffeca004dc59f35c016affa14963d1a0 Mon Sep 17 00:00:00 2001 From: kazu Date: Wed, 28 Jan 2009 18:16:57 +0000 Subject: gcc/ PR tree-optimization/38997 * tree-loop-distribution.c (generate_memset_zero): Use POINTER_PLUS_EXPR for a pointer addition. gcc/testsuite/ PR tree-optimization/38997 * gcc.dg/tree-ssa/pr38997.c: New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@143739 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/tree-loop-distribution.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'gcc/tree-loop-distribution.c') diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index 745957fcea2..1463bee93d3 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -256,10 +256,15 @@ generate_memset_zero (gimple stmt, tree op0, tree nb_iter, /* Test for a positive stride, iterating over every element. */ if (integer_zerop (fold_build2 (MINUS_EXPR, integer_type_node, DR_STEP (dr), TYPE_SIZE_UNIT (TREE_TYPE (op0))))) - addr_base = fold_build2 (PLUS_EXPR, TREE_TYPE (DR_BASE_ADDRESS (dr)), - DR_BASE_ADDRESS (dr), - size_binop (PLUS_EXPR, - DR_OFFSET (dr), DR_INIT (dr))); + { + tree offset = fold_convert (sizetype, + size_binop (PLUS_EXPR, + DR_OFFSET (dr), + DR_INIT (dr))); + addr_base = fold_build2 (POINTER_PLUS_EXPR, + TREE_TYPE (DR_BASE_ADDRESS (dr)), + DR_BASE_ADDRESS (dr), offset); + } /* Test for a negative stride, iterating over every element. */ else if (integer_zerop (fold_build2 (PLUS_EXPR, integer_type_node, -- cgit v1.2.1