| Jack Carter | 3a2c2d4 | 2013-08-13 20:54:07 +0000 | [diff] [blame^] | 1 | //===- MipsMSAInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | def HasMSA : Predicate<"Subtarget.hasMSA()">, |
| 11 | AssemblerPredicate<"FeatureMSA">; |
| 12 | |
| 13 | class MSAInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther> { |
| 14 | let Predicates = [HasMSA]; |
| 15 | let Inst{31-26} = 0b011110; |
| 16 | } |
| 17 | |
| 18 | class PseudoMSA<dag outs, dag ins, list<dag> pattern, |
| 19 | InstrItinClass itin = IIPseudo>: |
| 20 | MipsPseudo<outs, ins, pattern, itin> { |
| 21 | let Predicates = [HasMSA]; |
| 22 | } |
| 23 | |
| 24 | class MSA_3R_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst { |
| 25 | let Inst{25-23} = major; |
| 26 | let Inst{22-21} = df; |
| 27 | let Inst{5-0} = minor; |
| 28 | } |
| 29 | |
| 30 | class MSA_I5_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst { |
| 31 | let Inst{25-23} = major; |
| 32 | let Inst{22-21} = df; |
| 33 | let Inst{5-0} = minor; |
| 34 | } |