llvm-project/llvm/lib/Target/Mips/MipsMSAInstrFormats.td

127 lines
3.2 KiB
TableGen

//===- MipsMSAInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
def HasMSA : Predicate<"Subtarget.hasMSA()">,
AssemblerPredicate<"FeatureMSA">;
class MSAInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther> {
let Predicates = [HasMSA];
let Inst{31-26} = 0b011110;
}
class PseudoMSA<dag outs, dag ins, list<dag> pattern,
InstrItinClass itin = IIPseudo>:
MipsPseudo<outs, ins, pattern, itin> {
let Predicates = [HasMSA];
}
class MSA_BIT_B_FMT<bits<3> major, bits<6> minor>: MSAInst {
let Inst{25-23} = major;
let Inst{22-19} = 0b1110;
let Inst{5-0} = minor;
}
class MSA_BIT_H_FMT<bits<3> major, bits<6> minor>: MSAInst {
let Inst{25-23} = major;
let Inst{22-20} = 0b110;
let Inst{5-0} = minor;
}
class MSA_BIT_W_FMT<bits<3> major, bits<6> minor>: MSAInst {
let Inst{25-23} = major;
let Inst{22-21} = 0b10;
let Inst{5-0} = minor;
}
class MSA_BIT_D_FMT<bits<3> major, bits<6> minor>: MSAInst {
let Inst{25-23} = major;
let Inst{22} = 0b0;
let Inst{5-0} = minor;
}
class MSA_2R_FMT<bits<8> major, bits<2> df, bits<6> minor>: MSAInst {
let Inst{25-18} = major;
let Inst{17-16} = df;
let Inst{5-0} = minor;
}
class MSA_2RF_FMT<bits<9> major, bits<1> df, bits<6> minor>: MSAInst {
let Inst{25-17} = major;
let Inst{16} = df;
let Inst{5-0} = minor;
}
class MSA_3R_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
let Inst{25-23} = major;
let Inst{22-21} = df;
let Inst{5-0} = minor;
}
class MSA_3RF_FMT<bits<4> major, bits<1> df, bits<6> minor>: MSAInst {
let Inst{25-22} = major;
let Inst{21} = df;
let Inst{5-0} = minor;
}
class MSA_ELM_FMT<bits<10> major, bits<6> minor>: MSAInst {
let Inst{25-16} = major;
let Inst{5-0} = minor;
}
class MSA_ELM_B_FMT<bits<4> major, bits<6> minor>: MSAInst {
let Inst{25-22} = major;
let Inst{21-20} = 0b00;
let Inst{5-0} = minor;
}
class MSA_ELM_H_FMT<bits<4> major, bits<6> minor>: MSAInst {
let Inst{25-22} = major;
let Inst{21-19} = 0b100;
let Inst{5-0} = minor;
}
class MSA_ELM_W_FMT<bits<4> major, bits<6> minor>: MSAInst {
let Inst{25-22} = major;
let Inst{21-18} = 0b1100;
let Inst{5-0} = minor;
}
class MSA_ELM_D_FMT<bits<4> major, bits<6> minor>: MSAInst {
let Inst{25-22} = major;
let Inst{21-17} = 0b11100;
let Inst{5-0} = minor;
}
class MSA_I5_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
let Inst{25-23} = major;
let Inst{22-21} = df;
let Inst{5-0} = minor;
}
class MSA_I8_FMT<bits<2> major, bits<6> minor>: MSAInst {
let Inst{25-24} = major;
let Inst{5-0} = minor;
}
class MSA_I10_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
let Inst{25-23} = major;
let Inst{22-21} = df;
let Inst{5-0} = minor;
}
class MSA_VEC_FMT<bits<5> major, bits<6> minor>: MSAInst {
let Inst{25-21} = major;
let Inst{5-0} = minor;
}
class MSA_VECS10_FMT<bits<5> major, bits<6> minor>: MSAInst {
let Inst{25-21} = major;
let Inst{5-0} = minor;
}