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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-09-20 12:37:58 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-09-20 12:37:58 +0000 |
| commit | f757c65cfb0b13e7aced379ba88228034da22dbc (patch) | |
| tree | 7aca1efede51bf0b68888064d5cf85afaacedb30 /gcc/fold-const.c | |
| parent | 9e8c0a0f8ffa7cf11ef8db1d50527b00beae5c62 (diff) | |
| download | gcc-f757c65cfb0b13e7aced379ba88228034da22dbc.tar.gz | |
* fold-const.c (fold): Yet another COND_EXPR bug: when folding
to an ABS expr, convert an unsigned input to signed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@22503 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index b7037deeea7..0d04e91160b 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -5863,11 +5863,15 @@ fold (expr) return pedantic_non_lvalue (convert (type, arg1)); case GE_EXPR: case GT_EXPR: + if (TREE_UNSIGNED (TREE_TYPE (arg1))) + arg1 = convert (signed_type (TREE_TYPE (arg1)), arg1); return pedantic_non_lvalue (convert (type, fold (build1 (ABS_EXPR, TREE_TYPE (arg1), arg1)))); case LE_EXPR: case LT_EXPR: + if (TREE_UNSIGNED (TREE_TYPE (arg1))) + arg1 = convert (signed_type (TREE_TYPE (arg1)), arg1); return pedantic_non_lvalue (fold (build1 (NEGATE_EXPR, type, convert (type, |