29 lines
805 B
TableGen
29 lines
805 B
TableGen
//===-- MicroMipsDSPInstrFormats.td - Instruction Formats --*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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class MMDSPInst<string opstr = "">
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: MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther>, PredicateControl {
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let InsnPredicates = [HasDSP];
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string BaseOpcode = opstr;
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string Arch = "mmdsp";
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let DecoderNamespace = "MicroMips";
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}
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class POOL32A_3R_FMT<bits<11> op> : MMDSPInst {
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bits<5> rd;
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bits<5> rs;
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bits<5> rt;
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let Inst{31-26} = 0b000000;
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let Inst{25-21} = rt;
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let Inst{20-16} = rs;
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let Inst{15-11} = rd;
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let Inst{10-0} = op;
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}
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