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| author | Kazu Hirata <kazu@cs.umass.edu> | 2003-06-13 17:30:53 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2003-06-13 17:30:53 +0000 |
| commit | e15bb5c692fb17d5c56a0b0c9c60022186f6a539 (patch) | |
| tree | bd8e420c0c72d978b855451ad6da05e43e9cbc05 /gcc/fold-const.c | |
| parent | d88e80e622609f3c4be7b852222d5daa7afca7c9 (diff) | |
| download | gcc-e15bb5c692fb17d5c56a0b0c9c60022186f6a539.zip gcc-e15bb5c692fb17d5c56a0b0c9c60022186f6a539.tar.gz gcc-e15bb5c692fb17d5c56a0b0c9c60022186f6a539.tar.bz2 | |
builtins.c: Fix comment typos.
* builtins.c: Fix comment typos.
* fold-const.c: Likewise.
From-SVN: r67907
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 c8bbca4..bdc84de 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 |