[turbofan] Add backend support for float32 operations.

test/unittests/compiler/ia32/instruction-selector-ia32-unittest.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 "test/unittests/compiler/instruction-selector-unittest.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 73 matching lines @@
 
 // -----------------------------------------------------------------------------
 // Conversions.
 
 
 TEST_F(InstructionSelectorTest, ChangeFloat32ToFloat64WithParameter) {
   StreamBuilder m(this, kMachFloat32, kMachFloat64);
   m.Return(m.ChangeFloat32ToFloat64(m.Parameter(0)));
   Stream s = m.Build();
   ASSERT_EQ(1U, s.size());
-  EXPECT_EQ(kSSECvtss2sd, s[0]->arch_opcode());
+  EXPECT_EQ(kSSEFloat32ToFloat64, s[0]->arch_opcode());
   EXPECT_EQ(1U, s[0]->InputCount());
   EXPECT_EQ(1U, s[0]->OutputCount());
 }
 
 
 TEST_F(InstructionSelectorTest, TruncateFloat64ToFloat32WithParameter) {
   StreamBuilder m(this, kMachFloat64, kMachFloat32);
   m.Return(m.TruncateFloat64ToFloat32(m.Parameter(0)));
   Stream s = m.Build();
   ASSERT_EQ(1U, s.size());
-  EXPECT_EQ(kSSECvtsd2ss, s[0]->arch_opcode());
+  EXPECT_EQ(kSSEFloat64ToFloat32, s[0]->arch_opcode());
   EXPECT_EQ(1U, s[0]->InputCount());
   EXPECT_EQ(1U, s[0]->OutputCount());
 }
 
 
 // -----------------------------------------------------------------------------
 // Better left operand for commutative binops
 
 
 TEST_F(InstructionSelectorTest, BetterLeftOperandTestAddBinop) {
@@ skipping 584 matching lines @@
   EXPECT_EQ(kIA32Lzcnt, s[0]->arch_opcode());
   ASSERT_EQ(1U, s[0]->InputCount());
   EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
   ASSERT_EQ(1U, s[0]->OutputCount());
   EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8