[turbofan] Add new Float32Abs and Float64Abs operators.

test/unittests/compiler/x64/instruction-selector-x64-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"
 
 #include "src/compiler/node-matchers.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 978 matching lines @@
   EXPECT_EQ(kMode_M8, s[0]->addressing_mode());
   ASSERT_EQ(1U, s[0]->InputCount());
   EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
 }
 
 
 // -----------------------------------------------------------------------------
 // Floating point operations.
 
 
+TEST_F(InstructionSelectorTest, Float32Abs) {
+  StreamBuilder m(this, kMachFloat32, kMachFloat32);
+  Node* const p0 = m.Parameter(0);
+  Node* const n = m.Float32Abs(p0);
+  m.Return(n);
+  Stream s = m.Build();
+  ASSERT_EQ(1U, s.size());
+  EXPECT_EQ(kSSEFloat32Abs, 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_TRUE(s.IsSameAsFirst(s[0]->Output()));
+  EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
+  EXPECT_EQ(kFlags_none, s[0]->flags_mode());
+}
+
+
+TEST_F(InstructionSelectorTest, Float64Abs) {
+  StreamBuilder m(this, kMachFloat64, kMachFloat64);
+  Node* const p0 = m.Parameter(0);
+  Node* const n = m.Float64Abs(p0);
+  m.Return(n);
+  Stream s = m.Build();
+  ASSERT_EQ(1U, s.size());
+  EXPECT_EQ(kSSEFloat64Abs, 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_TRUE(s.IsSameAsFirst(s[0]->Output()));
+  EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
+  EXPECT_EQ(kFlags_none, s[0]->flags_mode());
+}
+
+
 TEST_F(InstructionSelectorTest, Float64BinopArithmetic) {
   {
     StreamBuilder m(this, kMachFloat64, kMachFloat64, kMachFloat64);
     Node* add = m.Float64Add(m.Parameter(0), m.Parameter(1));
     Node* mul = m.Float64Mul(add, m.Parameter(1));
     Node* sub = m.Float64Sub(mul, add);
     Node* ret = m.Float64Div(mul, sub);
     m.Return(ret);
     Stream s = m.Build(AVX);
     ASSERT_EQ(4U, s.size());
@@ skipping 12 matching lines @@
     Stream s = m.Build();
     ASSERT_EQ(4U, s.size());
     EXPECT_EQ(kSSEFloat64Add, s[0]->arch_opcode());
     EXPECT_EQ(kSSEFloat64Mul, s[1]->arch_opcode());
     EXPECT_EQ(kSSEFloat64Sub, s[2]->arch_opcode());
     EXPECT_EQ(kSSEFloat64Div, s[3]->arch_opcode());
   }
 }
 
 
+TEST_F(InstructionSelectorTest, Float32SubWithMinusZeroAndParameter) {
+  StreamBuilder m(this, kMachFloat32, kMachFloat32);
+  Node* const p0 = m.Parameter(0);
+  Node* const n = m.Float32Sub(m.Float32Constant(-0.0f), p0);
+  m.Return(n);
+  Stream s = m.Build();
+  ASSERT_EQ(1U, s.size());
+  EXPECT_EQ(kSSEFloat32Neg, 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()));
+  EXPECT_EQ(kFlags_none, s[0]->flags_mode());
+}
+
+
 TEST_F(InstructionSelectorTest, Float64SubWithMinusZeroAndParameter) {
   StreamBuilder m(this, kMachFloat64, kMachFloat64);
   Node* const p0 = m.Parameter(0);
   Node* const n = m.Float64Sub(m.Float64Constant(-0.0), p0);
   m.Return(n);
   Stream s = m.Build();
   ASSERT_EQ(1U, s.size());
   EXPECT_EQ(kSSEFloat64Neg, s[0]->arch_opcode());
   ASSERT_EQ(1U, s[0]->InputCount());
   EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
@@ skipping 134 matching lines @@
   EXPECT_EQ(kX64Lzcnt32, 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