Handle "inplace" ops and unary ops w/ assembler

src/IceRegistersX8632.h

Index: src/IceRegistersX8632.h
diff --git a/src/IceRegistersX8632.h b/src/IceRegistersX8632.h
index 3aa8178df8dff011a194d915a0b8f973eda194e3..cbbcfc93044efe0b4b2f49a0756935f99a32da29 100644
--- a/src/IceRegistersX8632.h
+++ b/src/IceRegistersX8632.h
@@ -16,6 +16,7 @@
 
 #include "IceDefs.h"
 #include "IceInstX8632.def"
+#include "IceTypes.h"
 
 namespace Ice {
 
@@ -83,6 +84,13 @@ static inline ByteRegister getEncodedByteReg(int32_t RegNum) {
   return ByteRegister(RegNum - Reg_GPR_First);
 }
 
+static inline GPRRegister getEncodedByteRegOrGPR(Type Ty, int32_t RegNum) {
+  if (Ty == IceType_i8 || Ty == IceType_i1)
+    return GPRRegister(getEncodedByteReg(RegNum));
+  else
+    return getEncodedGPR(RegNum);
+}
+
 } // end of namespace RegX8632
 
 } // end of namespace Ice