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-rw-r--r--gcc/gimplify.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 598fe9cfb97..9afd4ff27fe 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -4079,9 +4079,10 @@ gimple_fold_indirect_ref (tree t)
/* ((foo*)&vectorfoo)[1] -> BIT_FIELD_REF<vectorfoo,...> */
if (TREE_CODE (addr) == ADDR_EXPR
&& TREE_CODE (TREE_TYPE (addrtype)) == VECTOR_TYPE
- && useless_type_conversion_p (type, TREE_TYPE (TREE_TYPE (addrtype))))
+ && useless_type_conversion_p (type, TREE_TYPE (TREE_TYPE (addrtype)))
+ && host_integerp (off, 1))
{
- HOST_WIDE_INT offset = tree_low_cst (off, 0);
+ unsigned HOST_WIDE_INT offset = tree_low_cst (off, 1);
tree part_width = TYPE_SIZE (type);
unsigned HOST_WIDE_INT part_widthi
= tree_low_cst (part_width, 0) / BITS_PER_UNIT;