MIPS: Support for DoubleToIStub (truncating).

src/mips/lithium-mips.h

Index: src/mips/lithium-mips.h
diff --git a/src/mips/lithium-mips.h b/src/mips/lithium-mips.h
index dfdf63c9621b044799505f62de229be5a472b311..584682c13db1bb88cc094c154ed4783cd1954b51 100644
--- a/src/mips/lithium-mips.h
+++ b/src/mips/lithium-mips.h
@@ -2041,17 +2041,13 @@ class LNumberTagD V8_FINAL : public LTemplateInstruction<1, 1, 2> {
 };
 
 
-class LDoubleToSmi V8_FINAL : public LTemplateInstruction<1, 1, 2> {
+class LDoubleToSmi V8_FINAL : public LTemplateInstruction<1, 1, 0> {
  public:
-  LDoubleToSmi(LOperand* value, LOperand* temp, LOperand* temp2) {
+  explicit LDoubleToSmi(LOperand* value) {
     inputs_[0] = value;
-    temps_[0] = temp;
-    temps_[1] = temp2;
   }
 
   LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi")
   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
@@ -2061,17 +2057,13 @@ class LDoubleToSmi V8_FINAL : public LTemplateInstruction<1, 1, 2> {
 
 
 // Sometimes truncating conversion from a tagged value to an int32.
-class LDoubleToI V8_FINAL : public LTemplateInstruction<1, 1, 2> {
+class LDoubleToI V8_FINAL : public LTemplateInstruction<1, 1, 0> {
  public:
-  LDoubleToI(LOperand* value, LOperand* temp, LOperand* temp2) {
+  explicit LDoubleToI(LOperand* value) {
     inputs_[0] = value;
-    temps_[0] = temp;
-    temps_[1] = temp2;
   }
 
   LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
@@ -2081,22 +2073,19 @@ class LDoubleToI V8_FINAL : public LTemplateInstruction<1, 1, 2> {
 
 
 // Truncating conversion from a tagged value to an int32.
-class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 3> {
+class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 2> {
  public:
   LTaggedToI(LOperand* value,
              LOperand* temp,
-             LOperand* temp2,
-             LOperand* temp3) {
+             LOperand* temp2) {
     inputs_[0] = value;
     temps_[0] = temp;
     temps_[1] = temp2;
-    temps_[2] = temp3;
   }
 
   LOperand* value() { return inputs_[0]; }
   LOperand* temp() { return temps_[0]; }
   LOperand* temp2() { return temps_[1]; }
-  LOperand* temp3() { return temps_[2]; }
 
   DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)