diff options
| -rw-r--r-- | lib/quickjs/libbf.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/quickjs/libbf.c b/lib/quickjs/libbf.c index fe1628e7..63e7daeb 100644 --- a/lib/quickjs/libbf.c +++ b/lib/quickjs/libbf.c @@ -235,8 +235,13 @@ int bf_set_ui(bf_t *r, uint64_t a) a0 = a; a1 = a >> 32; shift = clz(a1); + // shift < 32 because a > 0xffffffff r->tab[0] = a0 << shift; - r->tab[1] = (a1 << shift) | (a0 >> (LIMB_BITS - shift)); + if (shift == 0) { + r->tab[1] = a1; + } else { + r->tab[1] = (a1 << shift) | (a0 >> (LIMB_BITS - shift)); + } r->expn = 2 * LIMB_BITS - shift; } #endif |