Enables many language tests for arm64.

runtime/vm/disassembler_arm64.cc

 // Copyright (c) 2014, 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/disassembler.h"
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 #include "platform/assert.h"
 
@@ skipping 883 matching lines @@
 
 
 void ARM64Decoder::DecodeMiscDP3Source(Instr* instr) {
   if ((instr->Bits(29, 2) == 0) && (instr->Bits(21, 3) == 0) &&
       (instr->Bit(15) == 0)) {
     if (instr->RaField() == R31) {
       Format(instr, "mul'sf, 'rd, 'rn, 'rm");
     } else {
       Format(instr, "madd'sf 'rd, 'rn, 'rm, 'ra");
     }
+  } else if ((instr->Bits(29, 2) == 0) && (instr->Bits(21, 3) == 0) &&
+             (instr->Bit(15) == 1)) {
+    Format(instr, "msub'sf 'rd, 'rn, 'rm, 'ra");
+  } else if ((instr->Bits(29, 2) == 0) && (instr->Bits(21, 3) == 2) &&
+             (instr->Bit(15) == 0)) {
+    Format(instr, "smulh 'rd, 'rn, 'rm");
   } else {
     Unknown(instr);
   }
 }
 
 
 void ARM64Decoder::DecodeConditionalSelect(Instr* instr) {
   if ((instr->Bits(29, 2) == 0) && (instr->Bits(10, 2) == 0)) {
     Format(instr, "mov'sf'cond 'rd, 'rn, 'rm");
   } else {
@@ skipping 49 matching lines @@
   if (instr->Bits(16, 3) == 6) {
     Format(instr, "fmovrd 'rd, 'vn");
   } else if (instr->Bits(16, 3) == 7) {
     Format(instr, "fmovdr 'vd, 'rn");
   } else {
     Unknown(instr);
   }
 }
 
 
+void ARM64Decoder::DecodeFPOneSource(Instr* instr) {
+  const int opc = instr->Bits(15, 2);
+
+  switch (opc) {
+    case 0:
+      Format(instr, "fmovdd 'vd, 'vn");
+      break;
+    default:
+      Unknown(instr);
+      break;
+  }
+}
+
+
 void ARM64Decoder::DecodeFP(Instr* instr) {
   if (instr->IsFPImmOp()) {
     DecodeFPImm(instr);
   } else if (instr->IsFPIntCvtOp()) {
     DecodeFPIntCvt(instr);
+  } else if (instr->IsFPOneSourceOp()) {
+    DecodeFPOneSource(instr);
   } else {
     Unknown(instr);
   }
 }
 
 
 void ARM64Decoder::DecodeDPSimd2(Instr* instr) {
   if (instr->IsFPOp()) {
     DecodeFP(instr);
   } else {
@@ skipping 64 matching lines @@
                                   human_buffer,
                                   sizeof(human_buffer),
                                   pc);
     pc += instruction_length;
   }
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM