X-Git-Url: http://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gosthash2012.h;h=8947ee6ab7e5404aff5da98b04d5637dfc770814;hb=bd1b2c234ea8ef2bdfe8f303f6002525d6d69bc7;hp=4d57e14f2f34c6cd4fc2ad84524a9b50404269e5;hpb=78ff909c3ca7260912360427fd3b029c9ba08d87;p=openssl-gost%2Fengine.git

diff --git a/gosthash2012.h b/gosthash2012.h
index 4d57e14..8947ee6 100644
--- a/gosthash2012.h
+++ b/gosthash2012.h
@@ -10,11 +10,18 @@
 
 #include <string.h>
 
-#ifdef OPENSSL_IA32_SSE2
-# ifdef __MMX__
-#  ifdef __SSE2__
-#   define __GOST3411_HAS_SSE2__
-#  endif
+#ifdef __SSE2__
+# define __GOST3411_HAS_SSE2__
+# if !defined(__x86_64__)
+/*
+ * x86-64 bit Linux and Windows ABIs provide malloc function that returns
+ * 16-byte alignment memory buffers required by SSE load/store instructions.
+ * Other platforms require special trick for proper gost2012_hash_ctx structure
+ * allocation. It will be easier to switch to unaligned loadu/storeu memory
+ * access instructions in this case.
+ */
+#  define UNALIGNED_SIMD_ACCESS
+#  pragma message "Use unaligned SIMD memory access"
 # endif
 #endif
 
@@ -27,6 +34,7 @@
 #ifndef L_ENDIAN
 # define __GOST3411_BIG_ENDIAN__
 #endif
+
 #if defined __GOST3411_HAS_SSE2__
 # include "gosthash2012_sse2.h"
 #else