Fix for NaCl store string, which needs source reg.

BUG=253
TEST=ncval
R=fbarchard@google.com

Review URL: https://webrtc-codereview.appspot.com/1991004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@751 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 750
+Version: 751
 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 750
+#define LIBYUV_VERSION 751
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

source/row_posix.cc

@@ -27,7 +27,7 @@ extern "C" {
 #define MEMLEA4(offset, base, index, scale) \
     #offset "(%q" #base ",%q" #index "," #scale ")"
 #define MEMMOVESTRING(s, d) "%%nacl:(%q" #s "),%%nacl:(%q" #d "), %%r15"
-#define MEMSTORESTRING(d) "%%nacl:(%q" #d "), %%r15"
+#define MEMSTORESTRING(reg, d) "%%" #reg ",%%nacl:(%q" #d "), %%r15"
 #else
 #define MEMACCESS(base) "(%" #base ")"
 #define MEMACCESS2(offset, base) #offset "(%" #base ")"
@@ -35,7 +35,7 @@ extern "C" {
 #define MEMLEA4(offset, base, index, scale) \
     #offset "(%" #base ",%" #index "," #scale ")"
 #define MEMMOVESTRING(s, d)
-#define MEMSTORESTRING(d)
+#define MEMSTORESTRING(reg, d)
 #endif
 
 #if defined(HAS_ARGBTOYROW_SSSE3) || defined(HAS_ARGBGRAYROW_SSSE3)
@@ -3074,7 +3074,7 @@ void SetRow_X86(uint8* dst, uint32 v32, int width) {
   size_t width_tmp = static_cast<size_t>(width);
   asm volatile (
     "shr       $0x2,%1                         \n"
-    "rep stosl "MEMSTORESTRING(0)"             \n"
+    "rep stosl "MEMSTORESTRING(eax,0)"         \n"
     : "+D"(dst),       // %0
       "+c"(width_tmp)  // %1
     : "a"(v32)         // %2
@@ -3087,7 +3087,7 @@ void ARGBSetRows_X86(uint8* dst, uint32 v32, int width,
     size_t width_tmp = static_cast<size_t>(width);
     uint32* d = reinterpret_cast<uint32*>(dst);
     asm volatile (
-      "rep stosl "MEMSTORESTRING(0)"           \n"
+      "rep stosl "MEMSTORESTRING(eax,0)"       \n"
       : "+D"(d),         // %0
         "+c"(width_tmp)  // %1
       : "a"(v32)         // %2