diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 8aabe21..0ef48dd 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -10071,45 +10071,6 @@ fold_binary_loc (location_t loc, build_zero_cst (TREE_TYPE (tem))); } - /* Fold (X ^ Y) & Y as ~X & Y. */ - if (TREE_CODE (arg0) == BIT_XOR_EXPR - && operand_equal_p (TREE_OPERAND (arg0, 1), arg1, 0)) - { - tem = fold_convert_loc (loc, type, TREE_OPERAND (arg0, 0)); - return fold_build2_loc (loc, BIT_AND_EXPR, type, - fold_build1_loc (loc, BIT_NOT_EXPR, type, tem), - fold_convert_loc (loc, type, arg1)); - } - /* Fold (X ^ Y) & X as ~Y & X. */ - if (TREE_CODE (arg0) == BIT_XOR_EXPR - && operand_equal_p (TREE_OPERAND (arg0, 0), arg1, 0) - && reorder_operands_p (TREE_OPERAND (arg0, 1), arg1)) - { - tem = fold_convert_loc (loc, type, TREE_OPERAND (arg0, 1)); - return fold_build2_loc (loc, BIT_AND_EXPR, type, - fold_build1_loc (loc, BIT_NOT_EXPR, type, tem), - fold_convert_loc (loc, type, arg1)); - } - /* Fold X & (X ^ Y) as X & ~Y. */ - if (TREE_CODE (arg1) == BIT_XOR_EXPR - && operand_equal_p (arg0, TREE_OPERAND (arg1, 0), 0)) - { - tem = fold_convert_loc (loc, type, TREE_OPERAND (arg1, 1)); - return fold_build2_loc (loc, BIT_AND_EXPR, type, - fold_convert_loc (loc, type, arg0), - fold_build1_loc (loc, BIT_NOT_EXPR, type, tem)); - } - /* Fold X & (Y ^ X) as ~Y & X. */ - if (TREE_CODE (arg1) == BIT_XOR_EXPR - && operand_equal_p (arg0, TREE_OPERAND (arg1, 1), 0) - && reorder_operands_p (arg0, TREE_OPERAND (arg1, 0))) - { - tem = fold_convert_loc (loc, type, TREE_OPERAND (arg1, 0)); - return fold_build2_loc (loc, BIT_AND_EXPR, type, - fold_build1_loc (loc, BIT_NOT_EXPR, type, tem), - fold_convert_loc (loc, type, arg0)); - } - /* Fold (X * Y) & -(1 << CST) to X * Y if Y is a constant multiple of 1 << CST. */ if (TREE_CODE (arg1) == INTEGER_CST) |