llvm-6502/lib/Target/R600/VIInstrFormats.td

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//===-- VIInstrFormats.td - VI Instruction Encodings ----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// VI Instruction format definitions.
//
//===----------------------------------------------------------------------===//
class DSe_vi <bits<8> op> : Enc64 {
bits<8> vdst;
bits<1> gds;
bits<8> addr;
bits<8> data0;
bits<8> data1;
bits<8> offset0;
bits<8> offset1;
let Inst{7-0} = offset0;
let Inst{15-8} = offset1;
let Inst{16} = gds;
let Inst{24-17} = op;
let Inst{31-26} = 0x36; //encoding
let Inst{39-32} = addr;
let Inst{47-40} = data0;
let Inst{55-48} = data1;
let Inst{63-56} = vdst;
}
class MUBUFe_vi <bits<7> op> : Enc64 {
bits<12> offset;
bits<1> offen;
bits<1> idxen;
bits<1> glc;
bits<1> lds;
bits<8> vaddr;
bits<8> vdata;
bits<7> srsrc;
bits<1> slc;
bits<1> tfe;
bits<8> soffset;
let Inst{11-0} = offset;
let Inst{12} = offen;
let Inst{13} = idxen;
let Inst{14} = glc;
let Inst{16} = lds;
let Inst{17} = slc;
let Inst{24-18} = op;
let Inst{31-26} = 0x38; //encoding
let Inst{39-32} = vaddr;
let Inst{47-40} = vdata;
let Inst{52-48} = srsrc{6-2};
let Inst{55} = tfe;
let Inst{63-56} = soffset;
}
class MTBUFe_vi <bits<4> op> : Enc64 {
bits<12> offset;
bits<1> offen;
bits<1> idxen;
bits<1> glc;
bits<4> dfmt;
bits<3> nfmt;
bits<8> vaddr;
bits<8> vdata;
bits<7> srsrc;
bits<1> slc;
bits<1> tfe;
bits<8> soffset;
let Inst{11-0} = offset;
let Inst{12} = offen;
let Inst{13} = idxen;
let Inst{14} = glc;
let Inst{18-15} = op;
let Inst{22-19} = dfmt;
let Inst{25-23} = nfmt;
let Inst{31-26} = 0x3a; //encoding
let Inst{39-32} = vaddr;
let Inst{47-40} = vdata;
let Inst{52-48} = srsrc{6-2};
let Inst{54} = slc;
let Inst{55} = tfe;
let Inst{63-56} = soffset;
}
class SMEMe_vi <bits<8> op, bit imm> : Enc64 {
bits<7> sbase;
bits<7> sdata;
bits<1> glc;
bits<20> offset;
let Inst{5-0} = sbase{6-1};
let Inst{12-6} = sdata;
let Inst{16} = glc;
let Inst{17} = imm;
let Inst{25-18} = op;
let Inst{31-26} = 0x30; //encoding
let Inst{51-32} = offset;
}
class VOP3e_vi <bits<10> op> : Enc64 {
bits<8> vdst;
bits<2> src0_modifiers;
bits<9> src0;
bits<2> src1_modifiers;
bits<9> src1;
bits<2> src2_modifiers;
bits<9> src2;
bits<1> clamp;
bits<2> omod;
let Inst{7-0} = vdst;
let Inst{8} = src0_modifiers{1};
let Inst{9} = src1_modifiers{1};
let Inst{10} = src2_modifiers{1};
let Inst{15} = clamp;
let Inst{25-16} = op;
let Inst{31-26} = 0x34; //encoding
let Inst{40-32} = src0;
let Inst{49-41} = src1;
let Inst{58-50} = src2;
let Inst{60-59} = omod;
let Inst{61} = src0_modifiers{0};
let Inst{62} = src1_modifiers{0};
let Inst{63} = src2_modifiers{0};
}
class VOP3be_vi <bits<10> op> : Enc64 {
bits<8> vdst;
bits<2> src0_modifiers;
bits<9> src0;
bits<2> src1_modifiers;
bits<9> src1;
bits<2> src2_modifiers;
bits<9> src2;
bits<7> sdst;
bits<2> omod;
bits<1> clamp;
let Inst{7-0} = vdst;
let Inst{14-8} = sdst;
let Inst{15} = clamp;
let Inst{25-16} = op;
let Inst{31-26} = 0x34; //encoding
let Inst{40-32} = src0;
let Inst{49-41} = src1;
let Inst{58-50} = src2;
let Inst{60-59} = omod;
let Inst{61} = src0_modifiers{0};
let Inst{62} = src1_modifiers{0};
let Inst{63} = src2_modifiers{0};
}
class EXPe_vi : EXPe {
let Inst{31-26} = 0x31; //encoding
}
class VINTRPe_vi <bits<2> op> : VINTRPe <op> {
let Inst{31-26} = 0x35; // encoding
}