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