Try out operator overloads for Sk2x.

src/core/SkGeometry.cpp

 /*
  * 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.
  */
 
 #include "SkGeometry.h"
 #include "SkMatrix.h"
 
@@ skipping 121 matching lines @@
 SkPoint SkEvalQuadAt(const SkPoint src[3], SkScalar t) {
     SkASSERT(src);
     SkASSERT(t >= 0 && t <= SK_Scalar1);
 
     const Sk2f t2(t);
 
     Sk2f P0 = Sk2f::Load(&src[0].fX);
     Sk2f P1 = Sk2f::Load(&src[1].fX);
     Sk2f P2 = Sk2f::Load(&src[2].fX);
 
-    Sk2f A = P2.subtract(P1.add(P1)).add(P0);
-    Sk2f B = P1.subtract(P0);
-    B = B.add(B);
+    Sk2f B = P1 - P0;
+    Sk2f A = P2 - P1 - B;
 
     SkPoint result;
-    A.multiply(t2).add(B).multiply(t2).add(P0).store(&result.fX);
+    ((A * t2 + B+B) * t2 + P0).store(&result.fX);
     return result;
 }
 
 static void interp_quad_coords(const SkScalar* src, SkScalar* dst, SkScalar t) {
     SkScalar    ab = SkScalarInterp(src[0], src[2], t);
     SkScalar    bc = SkScalarInterp(src[2], src[4], t);
 
     dst[0] = src[0];
     dst[2] = ab;
     dst[4] = SkScalarInterp(ab, bc, t);
@@ skipping 1322 matching lines @@
         matrix.preScale(SK_Scalar1, -SK_Scalar1);
     }
     if (userMatrix) {
         matrix.postConcat(*userMatrix);
     }
     for (int i = 0; i < conicCount; ++i) {
         matrix.mapPoints(dst[i].fPts, 3);
     }
     return conicCount;
 }