Revert of de-proc sk_float_rsqrt

src/opts/SkOpts_neon.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkOpts.h"
 
 #define SK_OPTS_NS sk_neon
 #include "SkBlitMask_opts.h"
 #include "SkBlitRow_opts.h"
 #include "SkBlurImageFilter_opts.h"
 #include "SkColorCubeFilter_opts.h"
+#include "SkFloatingPoint_opts.h"
 #include "SkMatrix_opts.h"
 #include "SkMorphologyImageFilter_opts.h"
 #include "SkSwizzler_opts.h"
 #include "SkTextureCompressor_opts.h"
 #include "SkUtils_opts.h"
 #include "SkXfermode_opts.h"
 
 namespace SkOpts {
     void Init_neon() {
+        rsqrt           = sk_neon::rsqrt;
         memset16        = sk_neon::memset16;
         memset32        = sk_neon::memset32;
         create_xfermode = sk_neon::create_xfermode;
 
         box_blur_xx = sk_neon::box_blur_xx;
         box_blur_xy = sk_neon::box_blur_xy;
         box_blur_yx = sk_neon::box_blur_yx;
 
         dilate_x = sk_neon::dilate_x;
         dilate_y = sk_neon::dilate_y;
@@ skipping 11 matching lines @@
 
         matrix_translate       = sk_neon::matrix_translate;
         matrix_scale_translate = sk_neon::matrix_scale_translate;
         matrix_affine          = sk_neon::matrix_affine;
 
         RGBA_to_BGRA = sk_neon::RGBA_to_BGRA;
         RGBA_to_rgbA = sk_neon::RGBA_to_rgbA;
         RGBA_to_bgrA = sk_neon::RGBA_to_bgrA;
     }
 }