X-Git-Url: http://www.wagner.pp.ru/gitweb/?p=openssl-gost%2Fengine.git;a=blobdiff_plain;f=gosthash2012.c;h=91c2c9462518681df33e7536dba0b06e24dc73de;hp=6399a9edd2d5dca686c78434de4ecabe0dc9ef33;hb=HEAD;hpb=211489fa492c33247383f71ce269858f512874ec

diff --git a/gosthash2012.c b/gosthash2012.c
index 6399a9e..91c2c94 100644
--- a/gosthash2012.c
+++ b/gosthash2012.c
@@ -9,9 +9,12 @@
  */
 
 #include "gosthash2012.h"
-#ifdef __x86_64__
-# include <immintrin.h>
-# include <x86intrin.h>
+#if defined(__x86_64__) || defined(__e2k__)
+# ifdef _MSC_VER
+#  include <intrin.h>
+# else
+#  include <x86intrin.h>
+# endif
 #endif
 
 #if defined(_WIN32) || defined(_WINDOWS)
@@ -64,30 +67,30 @@ static INLINE void add512(union uint512_u * RESTRICT x,
     unsigned int CF = 0;
     unsigned int i;
 
-# ifdef __x86_64__
+# ifdef HAVE_ADDCARRY_U64
     for (i = 0; i < 8; i++)
-	CF = _addcarry_u64(CF, x->QWORD[i] , y->QWORD[i], &(x->QWORD[i]));
+        CF = _addcarry_u64(CF, x->QWORD[i] , y->QWORD[i], &(x->QWORD[i]));
 # else
     for (i = 0; i < 8; i++) {
-	const unsigned long long left = x->QWORD[i];
-	unsigned long long sum;
-
-	sum = left + y->QWORD[i] + CF;
-	/*
-	 * (sum == left): is noop, because it's possible only
-	 * when `left' is added with `0 + 0' or with `ULLONG_MAX + 1',
-	 * in that case `CF' (carry) retain previous value, which is correct,
-	 * because when `left + 0 + 0' there was no overflow (thus no carry),
-	 * and when `left + ULLONG_MAX + 1' value is wrapped back to
-	 * itself with overflow, thus creating carry.
-	 *
-	 * (sum != left):
-	 * if `sum' is not wrapped (sum > left) there should not be carry,
-	 * if `sum' is wrapped (sum < left) there should be carry.
-	 */
-	if (sum != left)
-	    CF = (sum < left);
-	x->QWORD[i] = sum;
+        const unsigned long long left = x->QWORD[i];
+        unsigned long long sum;
+
+        sum = left + y->QWORD[i] + CF;
+        /*
+         * (sum == left): is noop, because it's possible only
+         * when `left' is added with `0 + 0' or with `ULLONG_MAX + 1',
+         * in that case `CF' (carry) retain previous value, which is correct,
+         * because when `left + 0 + 0' there was no overflow (thus no carry),
+         * and when `left + ULLONG_MAX + 1' value is wrapped back to
+         * itself with overflow, thus creating carry.
+         *
+         * (sum != left):
+         * if `sum' is not wrapped (sum > left) there should not be carry,
+         * if `sum' is wrapped (sum < left) there should be carry.
+         */
+        if (sum != left)
+            CF = (sum < left);
+        x->QWORD[i] = sum;
     }
 # endif /* !__x86_64__ */
 #else /* __GOST3411_BIG_ENDIAN__ */
@@ -132,6 +135,11 @@ static void g(union uint512_u *h, const union uint512_u * RESTRICT N,
     X128R(xmm0, xmm2, xmm4, xmm6, xmm1, xmm3, xmm5, xmm7);
 
     STORE(h, xmm0, xmm2, xmm4, xmm6);
+# ifndef __i386__
+    /* Restore the Floating-point status on the CPU */
+    /* This is only required on MMX, but EXTRACT32 is using MMX */
+    _mm_empty();
+# endif
 #else
     union uint512_u Ki, data;
     unsigned int i;
@@ -187,7 +195,6 @@ static INLINE void stage3(gost2012_hash_ctx * CTX)
 void gost2012_hash_block(gost2012_hash_ctx * CTX,
                          const unsigned char *data, size_t len)
 {
-    register size_t chunksize;
     register size_t bufsize = CTX->bufsize;
 
     if (bufsize == 0) {
@@ -200,7 +207,7 @@ void gost2012_hash_block(gost2012_hash_ctx * CTX,
     }
 
     while (len) {
-        chunksize = 64 - bufsize;
+        register size_t chunksize = 64 - bufsize;
         if (chunksize > len)
             chunksize = len;