MIPS: Faster memcpy.

src/v8utils.h

Index: src/v8utils.h
diff --git a/src/v8utils.h b/src/v8utils.h
index 02e57ebe7273eb9973759382601cc0df876ca1f4..058b153a7e20f37b7f6c9c1505658ace8497de95 100644
--- a/src/v8utils.h
+++ b/src/v8utils.h
@@ -266,6 +266,9 @@ INLINE(static void CopyCharsUnsigned(sinkchar* dest,
 INLINE(void CopyCharsUnsigned(uint8_t* dest, const uint8_t* src, int chars));
 INLINE(void CopyCharsUnsigned(uint16_t* dest, const uint8_t* src, int chars));
 INLINE(void CopyCharsUnsigned(uint16_t* dest, const uint16_t* src, int chars));
+#elif defined(V8_HOST_ARCH_MIPS)
+INLINE(void CopyCharsUnsigned(uint8_t* dest, const uint8_t* src, int chars));
+INLINE(void CopyCharsUnsigned(uint16_t* dest, const uint16_t* src, int chars));
 #endif
 
 // Copy from ASCII/16bit chars to ASCII/16bit chars.
@@ -421,6 +424,24 @@ void CopyCharsUnsigned(uint16_t* dest, const uint16_t* src, int chars) {
       break;
   }
 }
+
+
+#elif defined(V8_HOST_ARCH_MIPS)
+void CopyCharsUnsigned(uint8_t* dest, const uint8_t* src, int chars) {
+  if (chars < OS::kMinComplexMemCopy) {
+    memcpy(dest, src, chars);
+  } else {
+    OS::MemCopy(dest, src, chars);
+  }
+}
+
+void CopyCharsUnsigned(uint16_t* dest, const uint16_t* src, int chars) {
+  if (chars < OS::kMinComplexMemCopy) {
+    memcpy(dest, src, chars * sizeof(*dest));
+  } else {
+    OS::MemCopy(dest, src, chars * sizeof(*dest));
+  }
+}
 #endif