Don't explicitly pass requested representations to constants; implement ConstantS

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index c1f6695b7acb8aa0e7fc31e000517ce5b60e5c85..68493fdc84ae11f7cbc51c827604112ce9a9c4ef 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -1905,6 +1905,12 @@ void LCodeGen::DoConstantI(LConstantI* instr) {
 }
 
 
+void LCodeGen::DoConstantS(LConstantS* instr) {
+  ASSERT(instr->result()->IsRegister());
+  __ mov(ToRegister(instr->result()), Operand(instr->value()));
+}
+
+
 void LCodeGen::DoConstantD(LConstantD* instr) {
   ASSERT(instr->result()->IsDoubleRegister());
   DwVfpRegister result = ToDoubleRegister(instr->result());