Add sk_memcpy32 to Memcpy bench.

bench/MemcpyBench.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBenchmark.h"
 #include "SkRandom.h"
 #include "SkTemplates.h"
+#include "SkUtils.h"
 
 template <typename Memcpy32>
 class Memcpy32Bench : public SkBenchmark {
 public:
     explicit Memcpy32Bench(int count, Memcpy32 memcpy32, const char* name)
         : fCount(count)
         , fMemcpy32(memcpy32)
         , fName(SkStringPrintf("%s_%d", name, count)) {}
 
     virtual const char* onGetName() SK_OVERRIDE {
@@ skipping 119 matching lines @@
     while (count --> 0) {
         *dst++ = *src++;
     }
 }
 BENCH(memcpy32_sse2_unalign, 10)
 BENCH(memcpy32_sse2_unalign, 100)
 BENCH(memcpy32_sse2_unalign, 1000)
 BENCH(memcpy32_sse2_unalign, 10000)
 BENCH(memcpy32_sse2_unalign, 100000)
 
+// Test our chosen best, from SkUtils.h
+BENCH(sk_memcpy32, 10)
+BENCH(sk_memcpy32, 100)
+BENCH(sk_memcpy32, 1000)
+BENCH(sk_memcpy32, 10000)
+BENCH(sk_memcpy32, 100000)
+
 #endif // SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2
 
 #undef BENCH