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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-06-20 06:30:19 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-06-20 06:30:19 +0000 |
| commit | 706fd3a42e80178029a9373679d203652f36147b (patch) | |
| tree | 62c9e67f61bb42960cddae702071f0e081ea7958 /gcc/tree-ssa-math-opts.c | |
| parent | ee204f6665c27c671355ba1bfd56d99dce562cbf (diff) | |
| download | gcc-706fd3a42e80178029a9373679d203652f36147b.tar.gz | |
* tree-ssa-math-opts.c (do_shift_rotate, find_bswap_or_nop_1): Cast
0xff to uint64_t before shifting it up.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211837 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-math-opts.c')
| -rw-r--r-- | gcc/tree-ssa-math-opts.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-ssa-math-opts.c b/gcc/tree-ssa-math-opts.c index 21345473e77..ca2b30dbc52 100644 --- a/gcc/tree-ssa-math-opts.c +++ b/gcc/tree-ssa-math-opts.c @@ -1669,7 +1669,8 @@ do_shift_rotate (enum tree_code code, break; case RSHIFT_EXPR: /* Arithmetic shift of signed type: result is dependent on the value. */ - if (!TYPE_UNSIGNED (n->type) && (n->n & (0xff << (bitsize - 8)))) + if (!TYPE_UNSIGNED (n->type) + && (n->n & ((uint64_t) 0xff << (bitsize - 8)))) return false; n->n >>= count; break; @@ -1903,7 +1904,7 @@ find_bswap_or_nop_1 (gimple stmt, struct symbolic_number *n, int limit) old_type_size = TYPE_PRECISION (n->type); if (!TYPE_UNSIGNED (n->type) && type_size > old_type_size - && n->n & (0xff << (old_type_size - 8))) + && n->n & ((uint64_t) 0xff << (old_type_size - 8))) return NULL; if (type_size / BITS_PER_UNIT < (int)(sizeof (int64_t))) |