Add ARM64 SIMD support to libjpeg_turbo

libjpeg.gyp

 # Copyright (c) 2012 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.
 
 {
   # This file is not used when use_system_libjpeg==1. Settings for building with
   # the system libjpeg is in third_party/libjpeg/libjpeg.gyp.
   'variables': {
     'shared_generated_dir': '<(SHARED_INTERMEDIATE_DIR)/third_party/libjpeg_turbo',
     'conditions': [
@@ skipping 164 matching lines @@
               ],
             }, {
               'sources': [
                 'jsimd_none.c',
               ],
             }]
           ],
         }],
         [ 'target_arch=="arm64"', {
           'sources': [
-            'jsimd_none.c',
+            'simd/jsimd_arm64.c',
+            'simd/jsimd_arm64_neon.S',
           ],
         }],
         [ 'target_arch=="mipsel"', {
           'sources': [
             'jsimd_none.c',
           ],
         }],
 
         # Build rules for an asm file.
         # On Windows, we use the precompiled yasm binary. On Linux, we build
@@ skipping 42 matching lines @@
                 'yasm_format': '-fmacho64',
                 'yasm_flags': [
                   '-D__x86_64__',
                   '-DMACHO',
                   '-Imac/'
                 ],
               }],
             ],
           },
         }],
-        [ 'OS=="linux" or OS=="freebsd" or (OS=="android" and target_arch!="arm")', {
+        [ 'OS=="linux" or OS=="freebsd" or (OS=="android" and (target_arch=="ia32" or target_arch=="x64"))', {
           'conditions': [
             [ 'use_system_yasm==0', {
               'dependencies': [
                 '../yasm/yasm.gyp:yasm#host',
               ],
             }],
           ],
           'variables': {
             'conditions': [
               [ 'use_system_yasm==1', {
@@ skipping 18 matching lines @@
               }],
             ],
           },
         }],
       ],
       'rules': [
         {
           'rule_name': 'assemble',
           'extension': 'asm',
           'conditions': [
-            [ 'target_arch!="arm"', {
+            [ 'target_arch=="ia32" or target_arch=="x64"', {
               'inputs': [ '<(yasm_path)', ],
               'outputs': [
                 '<(shared_generated_dir)/<(RULE_INPUT_ROOT).<(object_suffix)',
               ],
               'action': [
                 '<(yasm_path)',
                 '<(yasm_format)',
                 '<@(yasm_flags)',
                 '-DRGBX_FILLER_0XFF',
                 '-DSTRICT_MEMORY_ACCESS',
                 '-Isimd/',
                 '-o', '<(shared_generated_dir)/<(RULE_INPUT_ROOT).<(object_suffix)',
                 '<(RULE_INPUT_PATH)',
               ],
               'process_outputs_as_sources': 1,
               'message': 'Building <(RULE_INPUT_ROOT).<(object_suffix)',
             }],
           ]
         },
       ],
     },
   ],
 }
 
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