diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 517d550..68c9722 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -2454,9 +2454,10 @@ operand_equal_p (tree arg0, tree arg1, unsigned int flags) case '<': case '2': - if (operand_equal_p (TREE_OPERAND (arg0, 0), TREE_OPERAND (arg1, 0), 0) - && operand_equal_p (TREE_OPERAND (arg0, 1), TREE_OPERAND (arg1, 1), - 0)) + if (operand_equal_p (TREE_OPERAND (arg0, 0), + TREE_OPERAND (arg1, 0), flags) + && operand_equal_p (TREE_OPERAND (arg0, 1), + TREE_OPERAND (arg1, 1), flags)) return 1; /* For commutative ops, allow the other order. */ @@ -2506,6 +2507,25 @@ operand_equal_p (tree arg0, tree arg1, unsigned int flags) return operand_equal_p (TREE_OPERAND (arg0, 0), TREE_OPERAND (arg1, 0), flags); + case TRUTH_ANDIF_EXPR: + case TRUTH_ORIF_EXPR: + return operand_equal_p (TREE_OPERAND (arg0, 0), + TREE_OPERAND (arg1, 0), flags) + && operand_equal_p (TREE_OPERAND (arg0, 1), + TREE_OPERAND (arg1, 1), flags); + + case TRUTH_AND_EXPR: + case TRUTH_OR_EXPR: + case TRUTH_XOR_EXPR: + return (operand_equal_p (TREE_OPERAND (arg0, 0), + TREE_OPERAND (arg1, 0), flags) + && operand_equal_p (TREE_OPERAND (arg0, 1), + TREE_OPERAND (arg1, 1), flags)) + || (operand_equal_p (TREE_OPERAND (arg0, 0), + TREE_OPERAND (arg1, 1), flags) + && operand_equal_p (TREE_OPERAND (arg0, 1), + TREE_OPERAND (arg1, 0), flags)); + case RTL_EXPR: return rtx_equal_p (RTL_EXPR_RTL (arg0), RTL_EXPR_RTL (arg1)); |