x86 validator: Implement rewriting "movntq" to "movq" on x86-64

src/trusted/validator/validation_rewrite_test.cc

 /*
  * Copyright 2016 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <string.h>
 
 #include "gtest/gtest.h"
 
@@ skipping 26 matching lines @@
 
 DECLARE_TEMPLATE(no_rewrite_code)
 #if NACL_BUILD_SUBARCH == 32
 DECLARE_TEMPLATE(movntq_code)
 DECLARE_TEMPLATE(movntdq_code)
 DECLARE_TEMPLATE(prefetchnta_code)
 #else
 DECLARE_TEMPLATE(off_webstore_movnt_code)
 DECLARE_TEMPLATE(prefetchnta_code)
 DECLARE_TEMPLATE(prefetchnta_rip_relative_code)
+DECLARE_TEMPLATE(movntq_code)
 DECLARE_TEMPLATE(movntps_code)
 DECLARE_TEMPLATE(movnti_code)
 DECLARE_TEMPLATE(movnti_code2)
 DECLARE_TEMPLATE(movnti_rip_relative_code)
 DECLARE_TEMPLATE(movntdq_code)
 DECLARE_TEMPLATE(movntdq_code2)
 DECLARE_TEMPLATE(multiple_movnt_code)
 DECLARE_TEMPLATE(one_bundle_movnt_code)
 DECLARE_TEMPLATE(last_movnti_cross_bundle_by_one)
 #endif
@@ skipping 74 matching lines @@
 }
 
 TEST_F(ValidationMovntRewriteTests, RewritePrefetchnta) {
   TestRewrite(&t_prefetchnta_code);
 }
 
 TEST_F(ValidationMovntRewriteTests, RewritePrefetchntaRipRelative) {
   TestRewrite(&t_prefetchnta_rip_relative_code);
 }
 
+TEST_F(ValidationMovntRewriteTests, RewriteMovntq) {
+  TestRewrite(&t_movntq_code);
+}
+
 TEST_F(ValidationMovntRewriteTests, RewriteMovntps) {
   TestRewrite(&t_movntps_code);
 }
 
 TEST_F(ValidationMovntRewriteTests, RewriteMovnti) {
   TestRewrite(&t_movnti_code);
 }
 
 TEST_F(ValidationMovntRewriteTests, RewriteMovnti2) {
   TestRewrite(&t_movnti_code2);
@@ skipping 23 matching lines @@
   TestRewrite(&t_last_movnti_cross_bundle_by_one);
 }
 
 #endif
 
 int main(int argc, char *argv[]) {
   NaClLogModuleInit();
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }