[x86] Introduce vandps/vandpd/vxorps/vxorpd.

src/compiler/ia32/instruction-selector-ia32.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/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 135 matching lines @@
   IA32OperandGenerator g(selector);
   InstructionOperand operand0 = g.UseRegister(node->InputAt(0));
   InstructionOperand operand1 = g.Use(node->InputAt(1));
   if (selector->IsSupported(AVX)) {
     selector->Emit(avx_opcode, g.DefineAsRegister(node), operand0, operand1);
   } else {
     selector->Emit(sse_opcode, g.DefineSameAsFirst(node), operand0, operand1);
   }
 }
 
+
+void VisitFloatUnop(InstructionSelector* selector, Node* node, Node* input,
+                    ArchOpcode avx_opcode, ArchOpcode sse_opcode) {
+  IA32OperandGenerator g(selector);
+  if (selector->IsSupported(AVX)) {
+    selector->Emit(avx_opcode, g.DefineAsRegister(node), g.Use(input));
+  } else {
+    selector->Emit(sse_opcode, g.DefineSameAsFirst(node), g.UseRegister(input));
+  }
+}
+
+
 }  // namespace
 
 
 void InstructionSelector::VisitLoad(Node* node) {
   MachineType rep = RepresentationOf(OpParameter<LoadRepresentation>(node));
   MachineType typ = TypeOf(OpParameter<LoadRepresentation>(node));
 
   ArchOpcode opcode;
   switch (rep) {
     case kRepFloat32:
@@ skipping 511 matching lines @@
 
 void InstructionSelector::VisitFloat64Add(Node* node) {
   VisitRROFloat(this, node, kAVXFloat64Add, kSSEFloat64Add);
 }
 
 
 void InstructionSelector::VisitFloat32Sub(Node* node) {
   IA32OperandGenerator g(this);
   Float32BinopMatcher m(node);
   if (m.left().IsMinusZero()) {
-    Emit(kSSEFloat32Neg, g.DefineSameAsFirst(node),
-         g.UseRegister(m.right().node()));
+    VisitFloatUnop(this, node, m.right().node(), kAVXFloat32Neg,
+                   kSSEFloat32Neg);
     return;
   }
   VisitRROFloat(this, node, kAVXFloat32Sub, kSSEFloat32Sub);
 }
 
 
 void InstructionSelector::VisitFloat64Sub(Node* node) {
   IA32OperandGenerator g(this);
   Float64BinopMatcher m(node);
   if (m.left().IsMinusZero()) {
     if (m.right().IsFloat64RoundDown() &&
         CanCover(m.node(), m.right().node())) {
       if (m.right().InputAt(0)->opcode() == IrOpcode::kFloat64Sub &&
           CanCover(m.right().node(), m.right().InputAt(0))) {
         Float64BinopMatcher mright0(m.right().InputAt(0));
         if (mright0.left().IsMinusZero()) {
           Emit(kSSEFloat64Round | MiscField::encode(kRoundUp),
                g.DefineAsRegister(node), g.UseRegister(mright0.right().node()));
           return;
         }
       }
     }
-    Emit(kSSEFloat64Neg, g.DefineSameAsFirst(node),
-         g.UseRegister(m.right().node()));
+    VisitFloatUnop(this, node, m.right().node(), kAVXFloat64Neg,
+                   kSSEFloat64Neg);
     return;
   }
   VisitRROFloat(this, node, kAVXFloat64Sub, kSSEFloat64Sub);
 }
 
 
 void InstructionSelector::VisitFloat32Mul(Node* node) {
   VisitRROFloat(this, node, kAVXFloat32Mul, kSSEFloat32Mul);
 }
 
@@ skipping 37 matching lines @@
 }
 
 
 void InstructionSelector::VisitFloat64Min(Node* node) {
   VisitRROFloat(this, node, kAVXFloat64Min, kSSEFloat64Min);
 }
 
 
 void InstructionSelector::VisitFloat32Abs(Node* node) {
   IA32OperandGenerator g(this);
-  Emit(kSSEFloat32Abs, g.DefineSameAsFirst(node), g.Use(node->InputAt(0)));
+  VisitFloatUnop(this, node, node->InputAt(0), kAVXFloat32Abs, kSSEFloat32Abs);
 }
 
 
 void InstructionSelector::VisitFloat64Abs(Node* node) {
   IA32OperandGenerator g(this);
-  Emit(kSSEFloat64Abs, g.DefineSameAsFirst(node), g.Use(node->InputAt(0)));
+  VisitFloatUnop(this, node, node->InputAt(0), kAVXFloat64Abs, kSSEFloat64Abs);
 }
 
 
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitROFloat(this, node, kSSEFloat32Sqrt);
 }
 
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitROFloat(this, node, kSSEFloat64Sqrt);
@@ skipping 437 matching lines @@
   if (CpuFeatures::IsSupported(SSE4_1)) {
     flags |= MachineOperatorBuilder::kFloat64RoundDown |
              MachineOperatorBuilder::kFloat64RoundTruncate;
   }
   return flags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8