MIPS: [wasm] Implement Int32MulPair operator.

test/cctest/compiler/test-run-machops.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 <cmath>
 #include <functional>
+#include <iostream>

[miran.karic, 2016/04/04 14:36:03]

Is this needed?

[Marija Antic, 2016/04/05 07:50:04]

Done.

 #include <limits>
-
 #include "src/base/bits.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/codegen.h"
 #include "test/cctest/cctest.h"
 #include "test/cctest/compiler/codegen-tester.h"
 #include "test/cctest/compiler/graph-builder-tester.h"
 #include "test/cctest/compiler/value-helper.h"
 
 using namespace v8::base;
 
@@ skipping 4175 matching lines @@
 
   m.Return(m.TruncateFloat64ToFloat32(m.Parameter(0)));
 
   FOR_FLOAT64_INPUTS(i) { CHECK_FLOAT_EQ(DoubleToFloat32(*i), m.Call(*i)); }
 }
 
 uint64_t ToInt64(uint32_t low, uint32_t high) {
   return (static_cast<uint64_t>(high) << 32) | static_cast<uint64_t>(low);
 }
 
-#if V8_TARGET_ARCH_32_BIT && !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_X87
+#if V8_TARGET_ARCH_32_BIT && !V8_TARGET_ARCH_X87
 TEST(RunInt32PairAdd) {
   BufferedRawMachineAssemblerTester<int32_t> m(
       MachineType::Uint32(), MachineType::Uint32(), MachineType::Uint32(),
       MachineType::Uint32());
 
   uint32_t high;
   uint32_t low;
 
   Node* PairAdd = m.Int32PairAdd(m.Parameter(0), m.Parameter(1), m.Parameter(2),
                                  m.Parameter(3));
@@ skipping 2165 matching lines @@
   r.Goto(&merge);
   r.Bind(&merge);
   Node* phi = r.Phi(MachineRepresentation::kWord32, fa, fb);
   r.Return(phi);
   CHECK_EQ(1, r.Call(1));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8