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-//===- IA64InstrFormats.td - IA64 Instruction Formats --*- tablegen -*-=//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// - Warning: the stuff in here isn't really being used, so is mostly
-// junk. It'll get fixed as the JIT gets built.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-// Instruction format superclass
-//===----------------------------------------------------------------------===//
-
-class InstIA64<bits<4> op, dag OOL, dag IOL, string asmstr> : Instruction {
- // IA64 instruction baseline
- field bits<41> Inst;
- let Namespace = "IA64";
- let OutOperandList = OOL;
- let InOperandList = IOL;
- let AsmString = asmstr;
-
- let Inst{40-37} = op;
-}
-
-//"Each Itanium instruction is categorized into one of six types."
-//We should have:
-// A, I, M, F, B, L+X
-
-class AForm<bits<4> opcode, bits<6> qpReg, dag OOL, dag IOL, string asmstr> :
- InstIA64<opcode, OOL, IOL, asmstr> {
-
- let Inst{5-0} = qpReg;
-}
-
-class AForm_DAG<bits<4> opcode, bits<6> qpReg, dag OOL, dag IOL, string asmstr,
- list<dag> pattern> :
- InstIA64<opcode, OOL, IOL, asmstr> {
-
- let Pattern = pattern;
- let Inst{5-0} = qpReg;
-}
-
-let isBranch = 1, isTerminator = 1 in
-class BForm<bits<4> opcode, bits<6> x6, bits<3> btype, dag OOL, dag IOL, string asmstr> :
- InstIA64<opcode, OOL, IOL, asmstr> {
-
- let Inst{32-27} = x6;
- let Inst{8-6} = btype;
-}
-
-class MForm<bits<4> opcode, bits<6> x6, dag OOL, dag IOL, string asmstr> :
- InstIA64<opcode, OOL, IOL, asmstr> {
- bits<7> Ra;
- bits<7> Rb;
- bits<16> disp;
-
- let Inst{35-30} = x6;
-// let Inst{20-16} = Rb;
- let Inst{15-0} = disp;
-}
-
-class RawForm<bits<4> opcode, bits<26> rest, dag OOL, dag IOL, string asmstr> :
- InstIA64<opcode, OOL, IOL, asmstr> {
- let Inst{25-0} = rest;
-}
-
-// Pseudo instructions.
-class PseudoInstIA64<dag OOL, dag IOL, string nm> : InstIA64<0, OOL, IOL, nm> {
-}
-
-class PseudoInstIA64_DAG<dag OOL, dag IOL, string nm, list<dag> pattern>
- : InstIA64<0, OOL, IOL, nm> {
- let Pattern = pattern;
-}
-