Reland "ARM64: Add NEON support"

test/cctest/BUILD.gn

 # Copyright 2016 The V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("../../gni/v8.gni")
 
 v8_executable("cctest") {
   testonly = true
 
   sources = [
@@ skipping 209 matching lines @@
       "test-assembler-arm64.cc",
       "test-code-stubs-arm64.cc",
       "test-code-stubs.cc",
       "test-code-stubs.h",
       "test-disasm-arm64.cc",
       "test-fuzz-arm64.cc",
       "test-javascript-arm64.cc",
       "test-js-arm64-variables.cc",
       "test-run-wasm-relocation-arm64.cc",
       "test-simulator-arm64.cc",
+      "test-simulator-neon-arm64.cc",
+      "test-simulator-neon-inputs-arm64.h",
+      "test-simulator-neon-traces-arm64.h",
       "test-utils-arm64.cc",
       "test-utils-arm64.h",
     ]
   } else if (v8_current_cpu == "x86") {
     sources += [  ### gcmole(arch:ia32) ###
       "test-assembler-ia32.cc",
       "test-code-stubs-ia32.cc",
       "test-code-stubs.cc",
       "test-code-stubs.h",
       "test-disasm-ia32.cc",
@@ skipping 194 matching lines @@
   ]
 
   deps = [
     "../..:v8",
     "../..:v8_libbase",
     "../..:v8_libplatform",
     "//build/config/sanitizers:deps",
     "//build/win:default_exe_manifest",
   ]
 }