Enables many language tests for arm64.

runtime/vm/assembler_arm64_test.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/os.h"
@@ skipping 1047 matching lines @@
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(Mult_neg, test) {
   typedef int (*SimpleCode)();
   EXPECT_EQ(-42, EXECUTE_TEST_CODE_INT64(SimpleCode, test->entry()));
 }
 
 
+ASSEMBLER_TEST_GENERATE(Smulh_pos, assembler) {
+  __ movz(R1, 6, 0);
+  __ movz(R2, 7, 0);
+  __ smulh(R0, R1, R2);
+  __ ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Smulh_pos, test) {
+  typedef int (*SimpleCode)();
+  EXPECT_EQ(0, EXECUTE_TEST_CODE_INT64(SimpleCode, test->entry()));
+}
+
+
+ASSEMBLER_TEST_GENERATE(Smulh_neg, assembler) {
+  __ movz(R1, 6, 0);
+  __ movz(R2, 7, 0);
+  __ neg(R2, R2);
+  __ smulh(R0, R1, R2);
+  __ ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Smulh_neg, test) {
+  typedef int (*SimpleCode)();
+  EXPECT_EQ(-1, EXECUTE_TEST_CODE_INT64(SimpleCode, test->entry()));
+}
+
+
 // Loading immediate values without the object pool.
 ASSEMBLER_TEST_GENERATE(LoadImmediateSmall, assembler) {
   __ LoadImmediate(R0, 42, kNoRegister);
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(LoadImmediateSmall, test) {
   typedef int (*SimpleCode)();
   EXPECT_EQ(42, EXECUTE_TEST_CODE_INT64(SimpleCode, test->entry()));
@@ skipping 416 matching lines @@
                      R1);
   __ Pop(LR);
   __ Pop(CTX);
   __ PopAndUntagPP();
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_ARCH_ARM64)