Fix GCM_Xor16_SSE2 for 32-bit MSVC compiles

2017-11-16 23:07:30 -05:00 · 2017-11-16 23:07:30 -05:00 · 7f7131dc55
parent a5bf962681
commit 7f7131dc55
1 changed files with 1 additions and 1 deletions
--- a/gcm.cpp
+++ b/gcm.cpp
@ -84,7 +84,7 @@ extern void GCM_Xor16_SSE2(byte *a, const byte *b, const byte *c);
 # else
 static inline void GCM_Xor16_SSE2(byte *a, const byte *b, const byte *c)
 {
-#  if CRYPTOPP_SSE2_ASM_AVAILABLE
+#  if CRYPTOPP_SSE2_ASM_AVAILABLE && defined(__GNUC__)
    asm ("movdqa %1, %%xmm0; pxor %2, %%xmm0; movdqa %%xmm0, %0;"
         : "=m" (a[0]) : "rm"(b[0]), "rm"(c[0]));
 #  else  // CRYPTOPP_SSE2_INTRIN_AVAILABLE