From 1254842c5dc23e2534c201deead4b4012a4faa54 Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Tue, 27 Aug 2024 01:09:39 +0200
Subject: Use _mm256_testz_si256()

---
 c/simd-isascii/isascii.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'c')

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);
-- 
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