Add initial integrated assembler w/ some Xmm ops.

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"
 
 namespace Ice {
 
-class RegX8632 {
-public:
-  // An enum of every register. The enum value may not match the encoding
-  // used to binary encode register operands in instructions.
-  enum AllRegisters {
+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)                                         \
   val,
-    REGX8632_TABLE
+  REGX8632_TABLE
 #undef X
-        Reg_NUM,
+      Reg_NUM,
 #define X(val, init) val init,
-    REGX8632_TABLE_BOUNDS
+  REGX8632_TABLE_BOUNDS
 #undef X
-  };
+};
 
-  // An enum of GPR Registers. The enum value does match encoding used
-  // to binary encode register operands in instructions.
-  enum GPRRegister {
+// An enum of GPR Registers. The enum value does match encoding used
+// to binary encode register operands in instructions.
+enum GPRRegister {
 #define X(val, encode, name, name16, name8, scratch, preserved, stackptr,      \
           frameptr, isI8, isInt, isFP)                                         \
   Encoded_##val encode,
-    REGX8632_GPR_TABLE
+  REGX8632_GPR_TABLE
 #undef X
-  };
+      Encoded_Not_GPR = -1
+};
 
-  // An enum of XMM Registers. The enum value does match encoding used
-  // to binary encode register operands in instructions.
-  enum XmmRegister {
+// An enum of XMM Registers. The enum value does match encoding used
+// to binary encode register operands in instructions.
+enum XmmRegister {
 #define X(val, encode, name, name16, name8, scratch, preserved, stackptr,      \
           frameptr, isI8, isInt, isFP)                                         \
   Encoded_##val encode,
-    REGX8632_XMM_TABLE
+  REGX8632_XMM_TABLE
 #undef X
-  };
+      Encoded_Not_Xmm = -1
+};
 
-  // An enum of Byte Registers. The enum value does match encoding used
-  // to binary encode register operands in instructions.
-  enum ByteRegister {
+// An enum of Byte Registers. The enum value does match encoding used
+// to binary encode register operands in instructions.
+enum ByteRegister {
 #define X(val, encode) Encoded_##val encode,
-    REGX8632_BYTEREG_TABLE
+  REGX8632_BYTEREG_TABLE
 #undef X
-  };
+      Encoded_Not_ByteReg = -1
+};
 
-  static GPRRegister getEncodedGPR(int32_t RegNum) {
-    assert(Reg_GPR_First <= RegNum && RegNum <= Reg_GPR_Last);
-    return GPRRegister(RegNum - Reg_GPR_First);
-  }
+static inline GPRRegister getEncodedGPR(int32_t RegNum) {
+  assert(Reg_GPR_First <= RegNum && RegNum <= Reg_GPR_Last);
+  return GPRRegister(RegNum - Reg_GPR_First);
+}
 
-  static XmmRegister getEncodedXmm(int32_t RegNum) {
-    assert(Reg_XMM_First <= RegNum && RegNum <= Reg_XMM_Last);
-    return XmmRegister(RegNum - Reg_XMM_First);
-  }
+static inline XmmRegister getEncodedXmm(int32_t RegNum) {
+  assert(Reg_XMM_First <= RegNum && RegNum <= Reg_XMM_Last);
+  return XmmRegister(RegNum - Reg_XMM_First);
+}
 
-  static 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 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);
+}
+
+} // end of namespace RegX8632
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEREGISTERSX8632_H