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 736552c..efc0b10 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -10636,24 +10636,6 @@ fold_binary_loc (location_t loc, } } - /* If we have (A & C) == D where D & ~C != 0, convert this into 0. - Similarly for NE_EXPR. */ - if (TREE_CODE (arg0) == BIT_AND_EXPR - && TREE_CODE (arg1) == INTEGER_CST - && TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST) - { - tree notc = fold_build1_loc (loc, BIT_NOT_EXPR, - TREE_TYPE (TREE_OPERAND (arg0, 1)), - TREE_OPERAND (arg0, 1)); - tree dandnotc - = fold_build2_loc (loc, BIT_AND_EXPR, TREE_TYPE (arg0), - fold_convert_loc (loc, TREE_TYPE (arg0), arg1), - notc); - tree rslt = code == EQ_EXPR ? integer_zero_node : integer_one_node; - if (integer_nonzerop (dandnotc)) - return omit_one_operand_loc (loc, type, rslt, arg0); - } - /* If this is a comparison of a field, we may be able to simplify it. */ if ((TREE_CODE (arg0) == COMPONENT_REF || TREE_CODE (arg0) == BIT_FIELD_REF) |