SSE2 implementation of memcpy32

include/core/SkUtils.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkUtils_DEFINED
 #define SkUtils_DEFINED
 
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 /** Similar to memset(), but it assigns a 32bit value into the buffer.
     @param buffer   The memory to have value copied into it
     @param value    The 32bit value to be copied into buffer
     @param count    The number of times value should be copied into the buffer.
 */
 void sk_memset32(uint32_t dst[], uint32_t value, int count);
 typedef void (*SkMemset32Proc)(uint32_t dst[], uint32_t value, int count);
 SkMemset32Proc SkMemset32GetPlatformProc();
 
+/** Similar to memcpy(), but it copies count 32bit values from src to dst.
+    @param dst      The memory to have value copied into it
+    @param src      The memory to have value copied from it
+    @param count    The number of values should be copied.
+*/
+void sk_memcpy32(uint32_t dst[], const uint32_t src[], int count);
+typedef void (*SkMemcpy32Proc)(uint32_t dst[], const uint32_t src[], int count);
+SkMemcpy32Proc SkMemcpy32GetPlatformProc();
+
 ///////////////////////////////////////////////////////////////////////////////
 
 #define kMaxBytesInUTF8Sequence     4
 
 #ifdef SK_DEBUG
     int SkUTF8_LeadByteToCount(unsigned c);
 #else
     #define SkUTF8_LeadByteToCount(c)   ((((0xE5 << 24) >> ((unsigned)c >> 4 << 1)) & 3) + 1)
 #endif
 
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     }
     ~SkAutoTrace() {
         SkDebugf("--- trace: %s Leave\n", fLabel);
     }
 private:
     const char* fLabel;
 };
 #define SkAutoTrace(...) SK_REQUIRE_LOCAL_VAR(SkAutoTrace)
 
 #endif