diff options
| -rw-r--r-- | gcm.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -49,10 +49,14 @@ void gcm_gf_mult(const unsigned char *a, const unsigned char *b, unsigned char * }
#endif
-#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
inline static void SSE2_Xor16(byte *a, const byte *b, const byte *c)
{
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
*(__m128i *)a = _mm_xor_si128(*(__m128i *)b, *(__m128i *)c);
+#else
+ asm ("movdqa %1, %%xmm0; pxor %2, %%xmm0; movdqa %%xmm0, %0;" : "=m" (a[0]) : "m"(b[0]), "m"(c[0]));
+#endif
}
#endif
@@ -103,7 +107,7 @@ void GCM_Base::SetKeyWithoutResync(const byte *userKey, size_t keylength, const for (i=0; i<16; i++)
{
memset(table+i*256*16, 0, 16);
-#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
if (HasSSE2())
for (j=2; j<=0x80; j*=2)
for (k=1; k<j; k++)
@@ -149,7 +153,7 @@ void GCM_Base::SetKeyWithoutResync(const byte *userKey, size_t keylength, const {
memset(table+i*256, 0, 16);
memset(table+1024+i*256, 0, 16);
-#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
+#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
if (HasSSE2())
for (j=2; j<=8; j*=2)
for (k=1; k<j; k++)
|