MIPS: [turbofan] Implement Float32Round(TiesEven|RoundUp|RoundDown|Truncate).

src/compiler/mips/instruction-selector-mips.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/base/adapters.h"
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
@@ skipping 629 matching lines @@
 void InstructionSelector::VisitFloat32Sqrt(Node* node) {
   VisitRR(this, kMipsSqrtS, node);
 }
 
 
 void InstructionSelector::VisitFloat64Sqrt(Node* node) {
   VisitRR(this, kMipsSqrtD, node);
 }
 
 
-void InstructionSelector::VisitFloat32RoundDown(Node* node) { UNREACHABLE(); }
+void InstructionSelector::VisitFloat32RoundDown(Node* node) {
+  VisitRR(this, kMipsFloat32RoundDown, node);
+}
 
 
 void InstructionSelector::VisitFloat64RoundDown(Node* node) {
   VisitRR(this, kMipsFloat64RoundDown, node);
 }
 
 
-void InstructionSelector::VisitFloat32RoundUp(Node* node) { UNREACHABLE(); }
+void InstructionSelector::VisitFloat32RoundUp(Node* node) {
+  VisitRR(this, kMipsFloat32RoundUp, node);
+}
 
 
 void InstructionSelector::VisitFloat64RoundUp(Node* node) {
   VisitRR(this, kMipsFloat64RoundUp, node);
 }
 
 
 void InstructionSelector::VisitFloat32RoundTruncate(Node* node) {
-  UNREACHABLE();
+  VisitRR(this, kMipsFloat32RoundTruncate, node);
 }
 
 
 void InstructionSelector::VisitFloat64RoundTruncate(Node* node) {
   VisitRR(this, kMipsFloat64RoundTruncate, node);
 }
 
 
 void InstructionSelector::VisitFloat64RoundTiesAway(Node* node) {
   UNREACHABLE();
 }
 
 
 void InstructionSelector::VisitFloat32RoundTiesEven(Node* node) {
-  UNREACHABLE();
+  VisitRR(this, kMipsFloat32RoundTiesEven, node);
 }
 
 
 void InstructionSelector::VisitFloat64RoundTiesEven(Node* node) {
   VisitRR(this, kMipsFloat64RoundTiesEven, node);
 }
 
 
 void InstructionSelector::EmitPrepareArguments(NodeVector* arguments,
                                                const CallDescriptor* descriptor,
@@ skipping 499 matching lines @@
   if ((IsMipsArchVariant(kMips32r2) || IsMipsArchVariant(kMips32r6)) &&
       IsFp64Mode()) {
     flags |= MachineOperatorBuilder::kFloat64RoundDown |
              MachineOperatorBuilder::kFloat64RoundUp |
              MachineOperatorBuilder::kFloat64RoundTruncate |
              MachineOperatorBuilder::kFloat64RoundTiesEven;
   }
   return flags | MachineOperatorBuilder::kFloat64Min |
          MachineOperatorBuilder::kFloat64Max |
          MachineOperatorBuilder::kFloat32Min |
-         MachineOperatorBuilder::kFloat32Max;
+         MachineOperatorBuilder::kFloat32Max |
+         MachineOperatorBuilder::kFloat32RoundDown |
+         MachineOperatorBuilder::kFloat32RoundUp |
+         MachineOperatorBuilder::kFloat32RoundTruncate |
+         MachineOperatorBuilder::kFloat32RoundTiesEven;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8