libvpx: Pull from upstream

source/libvpx/third_party/libyuv/source/compare_win.cc

Index: source/libvpx/third_party/libyuv/source/compare_win.cc
diff --git a/source/libvpx/third_party/libyuv/source/compare_win.cc b/source/libvpx/third_party/libyuv/source/compare_win.cc
index 99831651f5f58d723dc044dd0f447bc13dcfe7a1..e99009a21dff24c63f341f9ef3344068feffaeb0 100644
--- a/source/libvpx/third_party/libyuv/source/compare_win.cc
+++ b/source/libvpx/third_party/libyuv/source/compare_win.cc
@@ -27,13 +27,11 @@ uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* src_b, int count) {
     pxor       xmm0, xmm0
     pxor       xmm5, xmm5
 
-    align      4
   wloop:
-    movdqa     xmm1, [eax]
+    movdqu     xmm1, [eax]
     lea        eax,  [eax + 16]
-    movdqa     xmm2, [edx]
+    movdqu     xmm2, [edx]
     lea        edx,  [edx + 16]
-    sub        ecx, 16
     movdqa     xmm3, xmm1  // abs trick
     psubusb    xmm1, xmm2
     psubusb    xmm2, xmm3
@@ -45,6 +43,7 @@ uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* src_b, int count) {
     pmaddwd    xmm2, xmm2
     paddd      xmm0, xmm1
     paddd      xmm0, xmm2
+    sub        ecx, 16
     jg         wloop
 
     pshufd     xmm1, xmm0, 0xee
@@ -70,12 +69,10 @@ uint32 SumSquareError_AVX2(const uint8* src_a, const uint8* src_b, int count) {
     vpxor      ymm5, ymm5, ymm5  // constant 0 for unpck
     sub        edx, eax
 
-    align      4
   wloop:
     vmovdqu    ymm1, [eax]
     vmovdqu    ymm2, [eax + edx]
     lea        eax,  [eax + 32]
-    sub        ecx, 32
     vpsubusb   ymm3, ymm1, ymm2  // abs difference trick
     vpsubusb   ymm2, ymm2, ymm1
     vpor       ymm1, ymm2, ymm3
@@ -85,6 +82,7 @@ uint32 SumSquareError_AVX2(const uint8* src_a, const uint8* src_b, int count) {
     vpmaddwd   ymm1, ymm1, ymm1
     vpaddd     ymm0, ymm0, ymm1
     vpaddd     ymm0, ymm0, ymm2
+    sub        ecx, 32
     jg         wloop
 
     vpshufd    ymm1, ymm0, 0xee  // 3, 2 + 1, 0 both lanes.
@@ -145,7 +143,6 @@ uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed) {
     pxor       xmm7, xmm7        // constant 0 for unpck
     movdqa     xmm6, kHash16x33
 
-    align      4
   wloop:
     movdqu     xmm1, [eax]       // src[0-15]
     lea        eax, [eax + 16]
@@ -170,7 +167,6 @@ uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed) {
     pmulld(0xcd)                 // pmulld     xmm1, xmm5
     paddd      xmm3, xmm4        // add 16 results
     paddd      xmm1, xmm2
-    sub        ecx, 16
     paddd      xmm1, xmm3
 
     pshufd     xmm2, xmm1, 0x0e  // upper 2 dwords
@@ -178,6 +174,7 @@ uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed) {
     pshufd     xmm2, xmm1, 0x01
     paddd      xmm1, xmm2
     paddd      xmm0, xmm1
+    sub        ecx, 16
     jg         wloop
 
     movd       eax, xmm0         // return hash
@@ -195,7 +192,6 @@ uint32 HashDjb2_AVX2(const uint8* src, int count, uint32 seed) {
     movd       xmm0, [esp + 12]  // seed
     movdqa     xmm6, kHash16x33
 
-    align      4
   wloop:
     vpmovzxbd  xmm3, dword ptr [eax]  // src[0-3]
     pmulld     xmm0, xmm6  // hash *= 33 ^ 16
@@ -209,13 +205,13 @@ uint32 HashDjb2_AVX2(const uint8* src, int count, uint32 seed) {
     pmulld     xmm1, kHashMul3
     paddd      xmm3, xmm4        // add 16 results
     paddd      xmm1, xmm2
-    sub        ecx, 16
     paddd      xmm1, xmm3
     pshufd     xmm2, xmm1, 0x0e  // upper 2 dwords
     paddd      xmm1, xmm2
     pshufd     xmm2, xmm1, 0x01
     paddd      xmm1, xmm2
     paddd      xmm0, xmm1
+    sub        ecx, 16
     jg         wloop
 
     movd       eax, xmm0         // return hash