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//===- PowerPCInstrInfo.td - Describe the PowerPC Instruction Set -*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
class Format<bits<4> val> {
bits<4> Value = val;
}
// All of the PowerPC instruction formats, plus a pseudo-instruction format:
def Pseudo : Format<0>;
def IForm : Format<1>;
def BForm : Format<2>;
def SCForm : Format<3>;
def DForm : Format<4>;
def XForm : Format<5>;
def XLForm : Format<6>;
def XFXForm : Format<7>;
def XFLForm : Format<8>;
def XOForm : Format<9>;
def AForm : Format<10>;
def MForm : Format<11>;
class PPCInst<string nm, bits<6> opcd, Format f> : Instruction {
let Namespace = "PowerPC";
let Name = nm;
bits<6> Opcode = opcd;
Format Form = f;
bits<4> FormBits = Form.Value;
}
// Pseudo-instructions:
def PHI : PPCInst<"PHI", 0, Pseudo>; // PHI node...
def NOP : PPCInst<"NOP", 0, Pseudo>; // No-op
def ADJCALLSTACKDOWN : PPCInst<"ADJCALLSTACKDOWN", 0, Pseudo>;
def ADJCALLSTACKUP : PPCInst<"ADJCALLSTACKUP", 0, Pseudo>;
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