llvm-project/llvm/lib/Target/AArch64/SVEInstrFormats.td

103 lines
3.4 KiB
TableGen

//=-- SVEInstrFormats.td - AArch64 SVE Instruction classes -*- tablegen -*--=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// AArch64 Scalable Vector Extension (SVE) Instruction Class Definitions.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// SVE Integer Arithmetic - Unpredicated Group.
//===----------------------------------------------------------------------===//
class sve_int_bin_cons_arit_0<bits<2> sz8_64, bits<3> opc, string asm,
ZPRRegOp zprty>
: I<(outs zprty:$Zd), (ins zprty:$Zn, zprty:$Zm),
asm, "\t$Zd, $Zn, $Zm",
"", []>, Sched<[]> {
bits<5> Zd;
bits<5> Zm;
bits<5> Zn;
let Inst{31-24} = 0b00000100;
let Inst{23-22} = sz8_64;
let Inst{21} = 0b1;
let Inst{20-16} = Zm;
let Inst{15-13} = 0b000;
let Inst{12-10} = opc;
let Inst{9-5} = Zn;
let Inst{4-0} = Zd;
}
multiclass sve_int_bin_cons_arit_0<bits<3> opc, string asm> {
def _B : sve_int_bin_cons_arit_0<0b00, opc, asm, ZPR8>;
def _H : sve_int_bin_cons_arit_0<0b01, opc, asm, ZPR16>;
def _S : sve_int_bin_cons_arit_0<0b10, opc, asm, ZPR32>;
def _D : sve_int_bin_cons_arit_0<0b11, opc, asm, ZPR64>;
}
//===----------------------------------------------------------------------===//
// SVE Permute - In Lane Group
//===----------------------------------------------------------------------===//
class sve_int_perm_bin_perm_zz<bits<3> opc, bits<2> sz8_64, string asm,
ZPRRegOp zprty>
: I<(outs zprty:$Zd), (ins zprty:$Zn, zprty:$Zm),
asm, "\t$Zd, $Zn, $Zm",
"",
[]>, Sched<[]> {
bits<5> Zd;
bits<5> Zm;
bits<5> Zn;
let Inst{31-24} = 0b00000101;
let Inst{23-22} = sz8_64;
let Inst{21} = 0b1;
let Inst{20-16} = Zm;
let Inst{15-13} = 0b011;
let Inst{12-10} = opc;
let Inst{9-5} = Zn;
let Inst{4-0} = Zd;
}
multiclass sve_int_perm_bin_perm_zz<bits<3> opc, string asm> {
def _B : sve_int_perm_bin_perm_zz<opc, 0b00, asm, ZPR8>;
def _H : sve_int_perm_bin_perm_zz<opc, 0b01, asm, ZPR16>;
def _S : sve_int_perm_bin_perm_zz<opc, 0b10, asm, ZPR32>;
def _D : sve_int_perm_bin_perm_zz<opc, 0b11, asm, ZPR64>;
}
//===----------------------------------------------------------------------===//
// SVE Permute - Predicates Group
//===----------------------------------------------------------------------===//
class sve_int_perm_bin_perm_pp<bits<3> opc, bits<2> sz8_64, string asm,
PPRRegOp pprty>
: I<(outs pprty:$Pd), (ins pprty:$Pn, pprty:$Pm),
asm, "\t$Pd, $Pn, $Pm",
"",
[]>, Sched<[]> {
bits<4> Pd;
bits<4> Pm;
bits<4> Pn;
let Inst{31-24} = 0b00000101;
let Inst{23-22} = sz8_64;
let Inst{21-20} = 0b10;
let Inst{19-16} = Pm;
let Inst{15-13} = 0b010;
let Inst{12-10} = opc;
let Inst{9} = 0b0;
let Inst{8-5} = Pn;
let Inst{4} = 0b0;
let Inst{3-0} = Pd;
}
multiclass sve_int_perm_bin_perm_pp<bits<3> opc, string asm> {
def _B : sve_int_perm_bin_perm_pp<opc, 0b00, asm, PPR8>;
def _H : sve_int_perm_bin_perm_pp<opc, 0b01, asm, PPR16>;
def _S : sve_int_perm_bin_perm_pp<opc, 0b10, asm, PPR32>;
def _D : sve_int_perm_bin_perm_pp<opc, 0b11, asm, PPR64>;
}