Subzero: Make -reg-use and -reg-exclude specific to register class.

src/IceTargetLoweringMIPS32.cpp

Index: src/IceTargetLoweringMIPS32.cpp
diff --git a/src/IceTargetLoweringMIPS32.cpp b/src/IceTargetLoweringMIPS32.cpp
index 248c073ff52842fb5682f7c7b8ad62a9dff0dd65..bede13ad2ca75b70dbcc4f20580ac065cc5493d0 100644
--- a/src/IceTargetLoweringMIPS32.cpp
+++ b/src/IceTargetLoweringMIPS32.cpp
@@ -106,9 +106,7 @@ void TargetMIPS32::staticInit(GlobalContext *Ctx) {
   TypeToRegisterSet[IceType_v4f32] = VectorRegisters;
 
   filterTypeToRegisterSet(Ctx, RegMIPS32::Reg_NUM, TypeToRegisterSet,
-                          RCMIPS32_NUM, [](int32_t RegNum) -> IceString {
-                            return RegMIPS32::getRegName(RegNum);
-                          });
+                          RCMIPS32_NUM, RegMIPS32::getRegName, regClassString);

[Karl, 2016/01/22 17:10:54]

Like in the ARM case, I would add an assert here. That way if an RC class is
added, a compiler error will be generated and the developer will know to fix the
class string.

[Jim Stichnoth, 2016/01/22 19:02:17]

Done.

 }
 
 void TargetMIPS32::translateO2() {