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-rw-r--r--c/simd-isascii/isascii.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/c/simd-isascii/isascii.c b/c/simd-isascii/isascii.c
index 24ef4fc..9e2b11a 100644
--- a/c/simd-isascii/isascii.c
+++ b/c/simd-isascii/isascii.c
@@ -36,9 +36,7 @@ strisascii_avx2(const unsigned char *s, size_t n)
{
__m256i msk = _mm256_set1_epi8((char)(1 << 7));
while (n >= sizeof(__m256i)) {
- __m256i v =
- _mm256_and_si256(_mm256_loadu_si256((const __m256i *)s), msk);
- if (_mm256_movemask_epi8(v) != 0)
+ if (_mm256_testz_si256(_mm256_loadu_si256((__m256i *)s), msk) == 0)
return false;
s += sizeof(__m256i);
n -= sizeof(__m256i);