Lift register and condition code enums out into their own file.

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 {
+#define X(val, encode, name, name16, name8, scratch, preserved, stackptr,      \
+          frameptr, isI8, isInt, isFP)                                         \
+  val,
+    REGX8632_TABLE
+#undef X
+        Reg_NUM,
+#define X(val, init) val init,
+    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 {
+#define X(val, encode, name, name16, name8, scratch, preserved, stackptr,      \
+          frameptr, isI8, isInt, isFP)                                         \
+  Encoded_##val encode,
+    REGX8632_GPR_TABLE
+#undef X
+  };
+
+  // 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
+#undef X
+  };
+
+  // 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
+#undef X
+  };
+
+  static 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 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 Ice
+
+#endif // SUBZERO_SRC_ICEREGISTERSX8632_H