SkNx Load/store: take any pointer.

src/opts/SkXfermode_opts.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef Sk4pxXfermode_DEFINED
 #define Sk4pxXfermode_DEFINED
 
@@ skipping 267 matching lines @@
              s = Load(src),
              b = Xfermode()(d, s);
         if (aa) {
             Sk4f a = Sk4f(*aa) * Sk4f(1.0f/255);
             b = b*a + d*(Sk4f(1)-a);
         }
         return Round(b);
     }
 
     static Sk4f Load(SkPMColor c) {
-        return SkNx_cast<float>(Sk4b::Load((uint8_t*)&c)) * Sk4f(1.0f/255);
+        return SkNx_cast<float>(Sk4b::Load(&c)) * Sk4f(1.0f/255);
     }
 
     static SkPMColor Round(const Sk4f& f) {
         SkPMColor c;
-        SkNx_cast<uint8_t>(f * Sk4f(255) + Sk4f(0.5f)).store((uint8_t*)&c);
+        SkNx_cast<uint8_t>(f * Sk4f(255) + Sk4f(0.5f)).store(&c);
         return c;
     }
 
     typedef SkProcCoeffXfermode INHERITED;
 };
 
 } // namespace
 
 namespace SK_OPTS_NS {
 
@@ skipping 33 matching lines @@
     #undef CASE
 
         default: break;
     }
     return nullptr;
 }
 
 } // namespace SK_OPTS_NS
 
 #endif//Sk4pxXfermode_DEFINED