A mechanism to identify/forbid/"rewrite" non-temporal instructions (and other)

src/trusted/validator/build.scons

Index: src/trusted/validator/build.scons
diff --git a/src/trusted/validator/build.scons b/src/trusted/validator/build.scons
index 8d635562db752a89794846ffb48cb4f34f00a7fb..b5709da106354c8d0eef3f3d29cb412b4812b652 100644
--- a/src/trusted/validator/build.scons
+++ b/src/trusted/validator/build.scons
@@ -47,3 +47,18 @@ if env.Bit('build_x86_32') or env.Bit('build_x86_64'):
 
   env.AddNodeToTestSuite(node, ['small_tests', 'validator_tests'],
                          'run_validator_debug_stub_test')
+
+if env.Bit('build_x86_64'):
+  gtest_env = env.MakeGTestEnv()
+
+  validation_pnacl_mode_test_exe = gtest_env.ComponentProgram(
+      'validation_pnacl_mode_test',
+      ['validation_pnacl_mode_test.cc'],
+      EXTRA_LIBS=['validators', 'nrd_xfer'])
+
+  node = gtest_env.CommandTest(
+      'validation_pnacl_mode_test.out',
+      command=[validation_pnacl_mode_test_exe])
+
+  env.AddNodeToTestSuite(node, ['small_tests', 'validator_tests'],
+                         'run_pnacl_mode_test')