fixed IA64 compilation error, by @mcmilk

diff --git a/lib/decompress/zstd_decompress.c b/lib/decompress/zstd_decompress.c
index bb3eed399737159752bb3c5cd73ae8d9e322e8aa..aeaa40c1ff77dd0f24b8ade8f46db35edf41e40e 100644 (file)
--- a/lib/decompress/zstd_decompress.c
+++ b/lib/decompress/zstd_decompress.c
@@ -53,7 +53,7 @@
 #  include "zstd_legacy.h"
 #endif
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) && !defined(_M_IA64)  /* _mm_prefetch() is not defined for ia64 */
 #  include <mmintrin.h>   /* https://msdn.microsoft.com/fr-fr/library/84szxsww(v=vs.90).aspx */
 #  define ZSTD_PREFETCH(ptr)   _mm_prefetch((const char*)ptr, _MM_HINT_T0)
 #elif defined(__GNUC__)