mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-19 19:30:10 +00:00
ca78f49234
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10937 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
//===- 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>;
|
|
|
|
|