[arm] Fix a double-register push operation.

src/compiler/arm/code-generator-arm.cc

 // Copyright 2014 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.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/arm/macro-assembler-arm.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 813 matching lines @@
       break;
     case kArmVstrF64: {
       size_t index = 0;
       MemOperand operand = i.InputOffset(&index);
       __ vstr(i.InputFloat64Register(index), operand);
       DCHECK_EQ(LeaveCC, i.OutputSBit());
       break;
     }
     case kArmPush:
       if (instr->InputAt(0)->IsDoubleRegister()) {
-        __ vstr(i.InputDoubleRegister(0), MemOperand(sp, -kDoubleSize));
-        __ sub(sp, sp, Operand(kDoubleSize));
+        __ vpush(i.InputDoubleRegister(0));
       } else {
-        __ Push(i.InputRegister(0));
+        __ push(i.InputRegister(0));
       }
       DCHECK_EQ(LeaveCC, i.OutputSBit());
       break;
     case kArmPoke: {
       int const slot = MiscField::decode(instr->opcode());
       __ str(i.InputRegister(0), MemOperand(sp, slot * kPointerSize));
       DCHECK_EQ(LeaveCC, i.OutputSBit());
       break;
     }
     case kArmStoreWriteBarrier: {
@@ skipping 429 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8