Merge pull request #252 from fcharlie/arm-intrinsics

Fix ARM64 __popcnt intrinsics
ngtcp2 · Aug 31, 2024 · 2c4a381 · 2c4a381
2 parents e9f34d9 + f4d323a
commit 2c4a381
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/nghttp3_ringbuf.c b/lib/nghttp3_ringbuf.c
@@ -34,7 +34,7 @@
 #include "nghttp3_macro.h"
 
 #if defined(_MSC_VER) && !defined(__clang__) &&                                \
-  (defined(_M_ARM) || defined(_M_ARM64))
+  (defined(_M_ARM) || (defined(_M_ARM64) && _MSC_VER < 1941))
 unsigned int __popcnt(unsigned int x) {
   unsigned int c = 0;
   for (; x; ++c) {