diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index b9168f331ed..197ccfddddb 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -7755,14 +7755,12 @@ fold_unary_loc (location_t loc, enum tree_code code, tree type, tree op0) } } - /* Convert (T1)(X p+ Y) into ((T1)X p+ Y), for pointer type, - when one of the new casts will fold away. Conservatively we assume - that this happens when X or Y is NOP_EXPR or Y is INTEGER_CST. */ + /* Convert (T1)(X p+ Y) into ((T1)X p+ Y), for pointer type, when the new + cast (T1)X will fold away. We assume that this happens when X itself + is a cast. */ if (POINTER_TYPE_P (type) && TREE_CODE (arg0) == POINTER_PLUS_EXPR - && (TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST - || TREE_CODE (TREE_OPERAND (arg0, 0)) == NOP_EXPR - || TREE_CODE (TREE_OPERAND (arg0, 1)) == NOP_EXPR)) + && CONVERT_EXPR_P (TREE_OPERAND (arg0, 0))) { tree arg00 = TREE_OPERAND (arg0, 0); tree arg01 = TREE_OPERAND (arg0, 1); |