switch win64 intrinsics to loadu / storeu for unaligned memory.

BUG=372
TESTED=untested
R=brucedawson@google.com, harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/30729004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1124 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1123
+Version: 1124
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1123
+#define LIBYUV_VERSION 1124
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

source/row_win.cc

@@ -89,8 +89,8 @@ void I422ToARGBRow_SSSE3(const uint8* y_buf,
     xmm1 = _mm_cvtsi32_si128(*(uint32*)(u_buf + offset));
     xmm0 = _mm_unpacklo_epi8(xmm0, xmm1);
     xmm0 = _mm_unpacklo_epi16(xmm0, xmm0);
-    xmm1 = _mm_load_si128(&xmm0);
-    xmm2 = _mm_load_si128(&xmm0);
+    xmm1 = _mm_loadu_si128(&xmm0);
+    xmm2 = _mm_loadu_si128(&xmm0);
     xmm0 = _mm_maddubs_epi16(xmm0, *(__m128i*)kUVToB);
     xmm1 = _mm_maddubs_epi16(xmm1, *(__m128i*)kUVToG);
     xmm2 = _mm_maddubs_epi16(xmm2, *(__m128i*)kUVToR);
@@ -112,12 +112,12 @@ void I422ToARGBRow_SSSE3(const uint8* y_buf,
     xmm2 = _mm_packus_epi16(xmm2, xmm2);
     xmm0 = _mm_unpacklo_epi8(xmm0, xmm1);
     xmm2 = _mm_unpacklo_epi8(xmm2, xmm5);
-    xmm1 = _mm_load_si128(&xmm0);
+    xmm1 = _mm_loadu_si128(&xmm0);
     xmm0 = _mm_unpacklo_epi16(xmm0, xmm2);
     xmm1 = _mm_unpackhi_epi16(xmm1, xmm2);
 
-    _mm_store_si128((__m128i *)dst_argb, xmm0);
-    _mm_store_si128((__m128i *)(dst_argb + 16), xmm1);
+    _mm_storeu_si128((__m128i *)dst_argb, xmm0);
+    _mm_storeu_si128((__m128i *)(dst_argb + 16), xmm1);
 
     y_buf += 8;
     u_buf += 4;