Fix the compiling errors on msvc ARM64 configuration.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/os.h b/lib/os.h
index 416a401d..e0989263 100644
--- a/lib/os.h
+++ b/lib/os.h
@@ -120,7 +120,7 @@ static inline int vorbis_ftoi(double f){  /* yes, double!  Otherwise,
 /* MSVC inline assembly. 32 bit only; inline ASM isn't implemented in the
  * 64 bit compiler and doesn't work on arm. */
 #if defined(_MSC_VER) && !defined(_WIN64) && \
-      !defined(_WIN32_WCE) && !defined(_M_ARM)
+      !defined(_WIN32_WCE) && !defined(_M_ARM) && !defined(_M_ARM64)
 #  define VORBIS_FPU_CONTROL
 
 typedef ogg_int16_t vorbis_fpu_control;