Handle "inplace" ops and unary ops w/ assembler

src/IceRegistersX8632.h

 //===- subzero/src/IceRegistersX8632.h - Register information ---*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the registers and their encodings for x86-32.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICEREGISTERSX8632_H
 #define SUBZERO_SRC_ICEREGISTERSX8632_H
 
 #include "IceDefs.h"
 #include "IceInstX8632.def"
+#include "IceTypes.h"
 
 namespace Ice {
 
 namespace RegX8632 {
 
 // An enum of every register. The enum value may not match the encoding
 // used to binary encode register operands in instructions.
 enum AllRegisters {
 #define X(val, encode, name, name16, name8, scratch, preserved, stackptr,      \
           frameptr, isI8, isInt, isFP)                                         \
@@ skipping 47 matching lines @@
   return XmmRegister(RegNum - Reg_XMM_First);
 }
 
 static inline ByteRegister getEncodedByteReg(int32_t RegNum) {
   assert(RegNum == Reg_ah || (Reg_GPR_First <= RegNum && RegNum <= Reg_ebx));
   if (RegNum == Reg_ah)
     return Encoded_Reg_ah;
   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
 
 #endif // SUBZERO_SRC_ICEREGISTERSX8632_H