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

src/compiler/mips64/instruction-selector-mips64.cc

Index: src/compiler/mips64/instruction-selector-mips64.cc
diff --git a/src/compiler/mips64/instruction-selector-mips64.cc b/src/compiler/mips64/instruction-selector-mips64.cc
index c98d871204573e36e66cbcec12e80cc1c7e2d2fe..09abb7a354a7ef6ce3eff9c7acf4b86f79240ecc 100644
--- a/src/compiler/mips64/instruction-selector-mips64.cc
+++ b/src/compiler/mips64/instruction-selector-mips64.cc
@@ -981,7 +981,9 @@ void InstructionSelector::VisitFloat64Sqrt(Node* node) {
 }
 
 
-void InstructionSelector::VisitFloat32RoundDown(Node* node) { UNIMPLEMENTED(); }
+void InstructionSelector::VisitFloat32RoundDown(Node* node) {
+  VisitRR(this, kMips64Float32RoundDown, node);
+}
 
 
 void InstructionSelector::VisitFloat64RoundDown(Node* node) {
@@ -989,7 +991,9 @@ void InstructionSelector::VisitFloat64RoundDown(Node* node) {
 }
 
 
-void InstructionSelector::VisitFloat32RoundUp(Node* node) { UNIMPLEMENTED(); }
+void InstructionSelector::VisitFloat32RoundUp(Node* node) {
+  VisitRR(this, kMips64Float32RoundUp, node);
+}
 
 
 void InstructionSelector::VisitFloat64RoundUp(Node* node) {
@@ -998,7 +1002,7 @@ void InstructionSelector::VisitFloat64RoundUp(Node* node) {
 
 
 void InstructionSelector::VisitFloat32RoundTruncate(Node* node) {
-  UNREACHABLE();
+  VisitRR(this, kMips64Float32RoundTruncate, node);
 }
 
 
@@ -1013,7 +1017,7 @@ void InstructionSelector::VisitFloat64RoundTiesAway(Node* node) {
 
 
 void InstructionSelector::VisitFloat32RoundTiesEven(Node* node) {
-  UNREACHABLE();
+  VisitRR(this, kMips64Float32RoundTiesEven, node);
 }
 
 
@@ -1602,9 +1606,13 @@ InstructionSelector::SupportedMachineOperatorFlags() {
          MachineOperatorBuilder::kFloat32Min |
          MachineOperatorBuilder::kFloat32Max |
          MachineOperatorBuilder::kFloat64RoundDown |
+         MachineOperatorBuilder::kFloat32RoundDown |
          MachineOperatorBuilder::kFloat64RoundUp |
+         MachineOperatorBuilder::kFloat32RoundUp |
          MachineOperatorBuilder::kFloat64RoundTruncate |
-         MachineOperatorBuilder::kFloat64RoundTiesEven;
+         MachineOperatorBuilder::kFloat32RoundTruncate |
+         MachineOperatorBuilder::kFloat64RoundTiesEven |
+         MachineOperatorBuilder::kFloat32RoundTiesEven;
 }
 
 }  // namespace compiler