MIPS: Adding Smi support to Add, Sub, Mul, and Bitwise

src/mips/lithium-gap-resolver-mips.cc

Index: src/mips/lithium-gap-resolver-mips.cc
diff --git a/src/mips/lithium-gap-resolver-mips.cc b/src/mips/lithium-gap-resolver-mips.cc
index 9705e1f41ac34f3b1b198665684dcf0895e5e9a6..771b22862eef896e2819644b7f2a8aadd9aaf5e0 100644
--- a/src/mips/lithium-gap-resolver-mips.cc
+++ b/src/mips/lithium-gap-resolver-mips.cc
@@ -251,10 +251,10 @@ void LGapResolver::EmitMove(int index) {
     LConstantOperand* constant_source = LConstantOperand::cast(source);
     if (destination->IsRegister()) {
       Register dst = cgen_->ToRegister(destination);
-      if (cgen_->IsSmi(constant_source)) {
-        __ li(dst, Operand(cgen_->ToSmi(constant_source)));
-      } else if (cgen_->IsInteger32(constant_source)) {
-        __ li(dst, Operand(cgen_->ToInteger32(constant_source)));
+      Representation r = cgen_->IsSmi(constant_source)
+          ? Representation::Smi() : Representation::Integer32();
+      if (cgen_->IsInteger32(constant_source)) {
+        __ li(dst, Operand(cgen_->ToRepresentation(constant_source, r)));
       } else {
         __ LoadObject(dst, cgen_->ToHandle(constant_source));
       }
@@ -265,11 +265,11 @@ void LGapResolver::EmitMove(int index) {
     } else {
       ASSERT(destination->IsStackSlot());
       ASSERT(!in_cycle_);  // Constant moves happen after all cycles are gone.
-      if (cgen_->IsSmi(constant_source)) {
-        __ li(kLithiumScratchReg, Operand(cgen_->ToSmi(constant_source)));
-      } else if (cgen_->IsInteger32(constant_source)) {
+      Representation r = cgen_->IsSmi(constant_source)
+          ? Representation::Smi() : Representation::Integer32();
+      if (cgen_->IsInteger32(constant_source)) {
         __ li(kLithiumScratchReg,
-              Operand(cgen_->ToInteger32(constant_source)));
+              Operand(cgen_->ToRepresentation(constant_source, r)));
       } else {
         __ LoadObject(kLithiumScratchReg,
                       cgen_->ToHandle(constant_source));