diff options
| author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-06-13 17:30:53 +0000 |
|---|---|---|
| committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-06-13 17:30:53 +0000 |
| commit | dfcd8f351fb6d62c14d0ed2e7123923688c2657b (patch) | |
| tree | bd8e420c0c72d978b855451ad6da05e43e9cbc05 /gcc/fold-const.c | |
| parent | daece349759699d20862719e0d194c1af284c555 (diff) | |
| download | gcc-dfcd8f351fb6d62c14d0ed2e7123923688c2657b.tar.gz | |
* builtins.c: Fix comment typos.
* fold-const.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67907 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index c8bbca4a7c8..bdc84de96f2 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -8026,7 +8026,7 @@ tree_expr_nonnegative_p (t) return tree_expr_nonnegative_p (TREE_OPERAND (t, 0)) && tree_expr_nonnegative_p (TREE_OPERAND (t, 1)); - /* zero_extend(x) + zero_extend(y) is non-negative is x and y are + /* zero_extend(x) + zero_extend(y) is non-negative if x and y are both unsigned and at least 2 bits shorter than the result. */ if (TREE_CODE (TREE_TYPE (t)) == INTEGER_TYPE && TREE_CODE (TREE_OPERAND (t, 0)) == NOP_EXPR @@ -8054,7 +8054,7 @@ tree_expr_nonnegative_p (t) && tree_expr_nonnegative_p (TREE_OPERAND (t, 1)); } - /* zero_extend(x) * zero_extend(y) is non-negative is x and y are + /* zero_extend(x) * zero_extend(y) is non-negative if x and y are both unsigned and their total bits is shorter than the result. */ if (TREE_CODE (TREE_TYPE (t)) == INTEGER_TYPE && TREE_CODE (TREE_OPERAND (t, 0)) == NOP_EXPR |