diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 7751e65..033dbfcf 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -1001,14 +1001,16 @@ associate_trees (t1, t2, code, type) if (TREE_CODE (t1) == code || TREE_CODE (t2) == code || TREE_CODE (t1) == MINUS_EXPR || TREE_CODE (t2) == MINUS_EXPR) { - if (TREE_CODE (t1) == NEGATE_EXPR) - return build (MINUS_EXPR, type, convert (type, t2), - convert (type, TREE_OPERAND (t1, 0))); - else if (TREE_CODE (t2) == NEGATE_EXPR) - return build (MINUS_EXPR, type, convert (type, t1), - convert (type, TREE_OPERAND (t2, 0))); - else - return build (code, type, convert (type, t1), convert (type, t2)); + if (code == PLUS_EXPR) + { + if (TREE_CODE (t1) == NEGATE_EXPR) + return build (MINUS_EXPR, type, convert (type, t2), + convert (type, TREE_OPERAND (t1, 0))); + else if (TREE_CODE (t2) == NEGATE_EXPR) + return build (MINUS_EXPR, type, convert (type, t1), + convert (type, TREE_OPERAND (t2, 0))); + } + return build (code, type, convert (type, t1), convert (type, t2)); } return fold (build (code, type, convert (type, t1), convert (type, t2))); |