Specify -mfpu=neon for neon files

libvpx_srcs_x86_intrinsics.gypi

 # This file is generated. Do not edit.
 # 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.
 
 {
   'targets': [
     {
       'target_name': 'libvpx_intrinsics_mmx',
       'type': 'static_library',
       'include_dirs': [
         'source/config/<(OS_CATEGORY)/<(target_arch)',
         '<(libvpx_source)',
       ],
       'sources': [
         '<(libvpx_source)/vp8/common/x86/idct_blk_mmx.c',
         '<(libvpx_source)/vp8/common/x86/variance_mmx.c',
         '<(libvpx_source)/vp8/encoder/x86/vp8_enc_stubs_mmx.c',
         '<(libvpx_source)/vp9/encoder/x86/vp9_variance_mmx.c',
       ],
       'conditions': [
         ['os_posix==1 and OS!="mac"', {
+          'cflags!': [ '-mfpu=vfpv3-d16' ],
           'cflags': [ '-mmmx', ],
         }],
         ['OS=="mac"', {
           'xcode_settings': {
             'OTHER_CFLAGS': [ '-mmmx', ],
           },
         }],
       ],
     },
     {
@@ skipping 11 matching lines @@
         '<(libvpx_source)/vp8/encoder/x86/quantize_sse2.c',
         '<(libvpx_source)/vp8/encoder/x86/vp8_enc_stubs_sse2.c',
         '<(libvpx_source)/vp9/common/x86/vp9_idct_intrin_sse2.c',
         '<(libvpx_source)/vp9/common/x86/vp9_loopfilter_intrin_sse2.c',
         '<(libvpx_source)/vp9/encoder/x86/vp9_dct32x32_sse2.c',
         '<(libvpx_source)/vp9/encoder/x86/vp9_dct_sse2.c',
         '<(libvpx_source)/vp9/encoder/x86/vp9_variance_sse2.c',
       ],
       'conditions': [
         ['os_posix==1 and OS!="mac"', {
+          'cflags!': [ '-mfpu=vfpv3-d16' ],
           'cflags': [ '-msse2', ],
         }],
         ['OS=="mac"', {
           'xcode_settings': {
             'OTHER_CFLAGS': [ '-msse2', ],
           },
         }],
       ],
     },
     {
       'target_name': 'libvpx_intrinsics_ssse3',
       'type': 'static_library',
       'include_dirs': [
         'source/config/<(OS_CATEGORY)/<(target_arch)',
         '<(libvpx_source)',
       ],
       'sources': [
         '<(libvpx_source)/vp8/common/x86/variance_ssse3.c',
       ],
       'conditions': [
         ['os_posix==1 and OS!="mac"', {
+          'cflags!': [ '-mfpu=vfpv3-d16' ],
           'cflags': [ '-mssse3', ],
         }],
         ['OS=="mac"', {
           'xcode_settings': {
             'OTHER_CFLAGS': [ '-mssse3', ],
           },
         }],
       ],
     },
   ],
 }