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Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree.c b/gcc/tree.c index 3310e88bd76..1b32348c7e5 100644 --- a/gcc/tree.c +++ b/gcc/tree.c @@ -1530,7 +1530,9 @@ integer_all_onesp (expr) if (!uns) return TREE_INT_CST_LOW (expr) == -1 && TREE_INT_CST_HIGH (expr) == -1; - prec = TYPE_PRECISION (TREE_TYPE (expr)); + /* Note that using TYPE_PRECISION here is wrong. We care about the + actual bits, not the (arbitrary) range of the type. */ + prec = GET_MODE_BITSIZE (TYPE_MODE (TREE_TYPE (expr))); if (prec >= HOST_BITS_PER_WIDE_INT) { int high_value, shift_amount; |