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+//===-- RISCVInstrFormatsV.td - RISC-V V Instruction Formats -*- tablegen -*-=//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file describes the RISC-V V extension instruction formats.
+//
+//===----------------------------------------------------------------------===//
+
+class RISCVVFormat<bits<3> val> {
+ bits<3> Value = val;
+}
+def OPIVV : RISCVVFormat<0b000>;
+def OPFVV : RISCVVFormat<0b001>;
+def OPMVV : RISCVVFormat<0b010>;
+def OPIVI : RISCVVFormat<0b011>;
+def OPIVX : RISCVVFormat<0b100>;
+def OPFVF : RISCVVFormat<0b101>;
+def OPMVX : RISCVVFormat<0b110>;
+def OPCFG : RISCVVFormat<0b111>;
+
+class RISCVMOP<bits<2> val> {
+ bits<2> Value = val;
+}
+def MOPLDUnitStride : RISCVMOP<0b00>;
+def MOPLDIndexedUnord : RISCVMOP<0b01>;
+def MOPLDStrided : RISCVMOP<0b10>;
+def MOPLDIndexedOrder : RISCVMOP<0b11>;
+
+def MOPSTUnitStride : RISCVMOP<0b00>;
+def MOPSTIndexedUnord : RISCVMOP<0b01>;
+def MOPSTStrided : RISCVMOP<0b10>;
+def MOPSTIndexedOrder : RISCVMOP<0b11>;
+
+class RISCVLSUMOP<bits<5> val> {
+ bits<5> Value = val;
+}
+def LUMOPUnitStride : RISCVLSUMOP<0b00000>;
+def LUMOPUnitStrideMask : RISCVLSUMOP<0b01011>;
+def LUMOPUnitStrideWholeReg : RISCVLSUMOP<0b01000>;
+def LUMOPUnitStrideFF: RISCVLSUMOP<0b10000>;
+def SUMOPUnitStride : RISCVLSUMOP<0b00000>;
+def SUMOPUnitStrideMask : RISCVLSUMOP<0b01011>;
+def SUMOPUnitStrideWholeReg : RISCVLSUMOP<0b01000>;
+
+class RISCVWidth<bits<4> val> {
+ bits<4> Value = val;
+}
+def LSWidth8 : RISCVWidth<0b0000>;
+def LSWidth16 : RISCVWidth<0b0101>;
+def LSWidth32 : RISCVWidth<0b0110>;
+def LSWidth64 : RISCVWidth<0b0111>;
+
+class RVInstSetiVLi<dag outs, dag ins, string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatI> {
+ bits<5> uimm;
+ bits<5> rd;
+ bits<10> vtypei;
+
+ let Inst{31} = 1;
+ let Inst{30} = 1;
+ let Inst{29-20} = vtypei{9-0};
+ let Inst{19-15} = uimm;
+ let Inst{14-12} = OPCFG.Value;
+ let Inst{11-7} = rd;
+ let Inst{6-0} = OPC_OP_V.Value;
+
+ let Defs = [VTYPE, VL];
+}
+
+class RVInstSetVLi<dag outs, dag ins, string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatI> {
+ bits<5> rs1;
+ bits<5> rd;
+ bits<11> vtypei;
+
+ let Inst{31} = 0;
+ let Inst{30-20} = vtypei;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = OPCFG.Value;
+ let Inst{11-7} = rd;
+ let Inst{6-0} = OPC_OP_V.Value;
+
+ let Defs = [VTYPE, VL];
+}
+
+class RVInstSetVL<dag outs, dag ins, string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> rs2;
+ bits<5> rs1;
+ bits<5> rd;
+
+ let Inst{31} = 1;
+ let Inst{30-25} = 0b000000;
+ let Inst{24-20} = rs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = OPCFG.Value;
+ let Inst{11-7} = rd;
+ let Inst{6-0} = OPC_OP_V.Value;
+
+ let Defs = [VTYPE, VL];
+}
+
+class RVInstVV<bits<6> funct6, RISCVVFormat opv, dag outs, dag ins,
+ string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> vs2;
+ bits<5> vs1;
+ bits<5> vd;
+ bit vm;
+
+ let Inst{31-26} = funct6;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = vs1;
+ let Inst{14-12} = opv.Value;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+ let RVVConstraint = VMConstraint;
+}
+
+class RVInstVX<bits<6> funct6, RISCVVFormat opv, dag outs, dag ins,
+ string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> vs2;
+ bits<5> rs1;
+ bits<5> vd;
+ bit vm;
+
+ let Inst{31-26} = funct6;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = opv.Value;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+ let RVVConstraint = VMConstraint;
+}
+
+class RVInstV2<bits<6> funct6, bits<5> vs2, RISCVVFormat opv, dag outs, dag ins,
+ string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> rs1;
+ bits<5> vd;
+ bit vm;
+
+ let Inst{31-26} = funct6;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = opv.Value;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+ let RVVConstraint = VMConstraint;
+}
+
+class RVInstIVI<bits<6> funct6, dag outs, dag ins, string opcodestr,
+ string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> vs2;
+ bits<5> imm;
+ bits<5> vd;
+ bit vm;
+
+ let Inst{31-26} = funct6;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = imm;
+ let Inst{14-12} = OPIVI.Value;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+ let RVVConstraint = VMConstraint;
+}
+
+class RVInstV<bits<6> funct6, bits<5> vs1, RISCVVFormat opv, dag outs,
+ dag ins, string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> vs2;
+ bits<5> vd;
+ bit vm;
+
+ let Inst{31-26} = funct6;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = vs1;
+ let Inst{14-12} = opv.Value;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+ let RVVConstraint = VMConstraint;
+}
+
+class RVInstVLU<bits<3> nf, bit mew, RISCVLSUMOP lumop,
+ bits<3> width, dag outs, dag ins, string opcodestr,
+ string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> rs1;
+ bits<5> vd;
+ bit vm;
+
+ let Inst{31-29} = nf;
+ let Inst{28} = mew;
+ let Inst{27-26} = MOPLDUnitStride.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = lumop.Value;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_LOAD_FP.Value;
+
+ let Uses = [VTYPE, VL];
+ let RVVConstraint = VMConstraint;
+}
+
+class RVInstVLS<bits<3> nf, bit mew, bits<3> width,
+ dag outs, dag ins, string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> rs2;
+ bits<5> rs1;
+ bits<5> vd;
+ bit vm;
+
+ let Inst{31-29} = nf;
+ let Inst{28} = mew;
+ let Inst{27-26} = MOPLDStrided.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = rs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_LOAD_FP.Value;
+
+ let Uses = [VTYPE, VL];
+ let RVVConstraint = VMConstraint;
+}
+
+class RVInstVLX<bits<3> nf, bit mew, RISCVMOP mop, bits<3> width,
+ dag outs, dag ins, string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> vs2;
+ bits<5> rs1;
+ bits<5> vd;
+ bit vm;
+
+ let Inst{31-29} = nf;
+ let Inst{28} = mew;
+ let Inst{27-26} = mop.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_LOAD_FP.Value;
+
+ let Uses = [VTYPE, VL];
+ let RVVConstraint = VMConstraint;
+}
+
+class RVInstVSU<bits<3> nf, bit mew, RISCVLSUMOP sumop,
+ bits<3> width, dag outs, dag ins, string opcodestr,
+ string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> rs1;
+ bits<5> vs3;
+ bit vm;
+
+ let Inst{31-29} = nf;
+ let Inst{28} = mew;
+ let Inst{27-26} = MOPSTUnitStride.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = sumop.Value;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width;
+ let Inst{11-7} = vs3;
+ let Inst{6-0} = OPC_STORE_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+class RVInstVSS<bits<3> nf, bit mew, bits<3> width,
+ dag outs, dag ins, string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> rs2;
+ bits<5> rs1;
+ bits<5> vs3;
+ bit vm;
+
+ let Inst{31-29} = nf;
+ let Inst{28} = mew;
+ let Inst{27-26} = MOPSTStrided.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = rs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width;
+ let Inst{11-7} = vs3;
+ let Inst{6-0} = OPC_STORE_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+class RVInstVSX<bits<3> nf, bit mew, RISCVMOP mop, bits<3> width,
+ dag outs, dag ins, string opcodestr, string argstr>
+ : RVInst<outs, ins, opcodestr, argstr, [], InstFormatR> {
+ bits<5> vs2;
+ bits<5> rs1;
+ bits<5> vs3;
+ bit vm;
+
+ let Inst{31-29} = nf;
+ let Inst{28} = mew;
+ let Inst{27-26} = mop.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width;
+ let Inst{11-7} = vs3;
+ let Inst{6-0} = OPC_STORE_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}