NEON implementation for Adler32

third_party/zlib/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 config("zlib_config") {
   include_dirs = [ "." ]
 }
 
 static_library("zlib_x86_simd") {
   if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
@@ skipping 43 matching lines @@
     "gzwrite.c",
     "infback.c",
     "inffast.c",
     "inffast.h",
     "inffixed.h",
     "inflate.c",
     "inflate.h",
     "inftrees.c",
     "inftrees.h",
     "mozzconf.h",
+    "neon_adler32.h",

[cavalcantii1, 2017/02/04 18:53:01]

Forgot this one, got remove it.

     "trees.c",
     "trees.h",
     "uncompr.c",
     "x86.h",
     "zconf.h",
     "zlib.h",
     "zutil.c",
     "zutil.h",
   ]
 
   if (!is_ios && (current_cpu == "x86" || current_cpu == "x64")) {
     sources += [ "x86.c" ]
+  } else if (current_cpu == "arm" || current_cpu == "arm64") {
+    sources += [
+      "neon_adler32.c",
+      "neon_adler32.h",
+    ]
   }
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     "//build/config/compiler:no_chromium_code",
 
     # Must be after no_chromium_code for warning flags to be ordered correctly.
     ":zlib_warnings",
   ]
 
@@ skipping 66 matching lines @@
 
 static_library("compression_utils") {
   sources = [
     "google/compression_utils.cc",
     "google/compression_utils.h",
   ]
   deps = [
     ":zlib",
   ]
 }