diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 5cdb6d1..f330d78 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -10922,24 +10922,6 @@ fold_binary_loc (location_t loc, case BIT_IOR_EXPR: bit_ior: - /* ~X | X is -1. */ - if (TREE_CODE (arg0) == BIT_NOT_EXPR - && operand_equal_p (TREE_OPERAND (arg0, 0), arg1, 0)) - { - t1 = build_zero_cst (type); - t1 = fold_unary_loc (loc, BIT_NOT_EXPR, type, t1); - return omit_one_operand_loc (loc, type, t1, arg1); - } - - /* X | ~X is -1. */ - if (TREE_CODE (arg1) == BIT_NOT_EXPR - && operand_equal_p (arg0, TREE_OPERAND (arg1, 0), 0)) - { - t1 = build_zero_cst (type); - t1 = fold_unary_loc (loc, BIT_NOT_EXPR, type, t1); - return omit_one_operand_loc (loc, type, t1, arg0); - } - /* Canonicalize (X & C1) | C2. */ if (TREE_CODE (arg0) == BIT_AND_EXPR && TREE_CODE (arg1) == INTEGER_CST |