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+//===-- RISCVInstrFormatsV.td - RISCV 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>;
+
+class RISCVMOP<bits<3> val> {
+ bits<3> Value = val;
+}
+def MOPLDUnitStrideU : RISCVMOP<0b000>;
+def MOPLDStridedU : RISCVMOP<0b010>;
+def MOPLDIndexedU : RISCVMOP<0b011>;
+def MOPLDUnitStrideS : RISCVMOP<0b100>;
+def MOPLDStridedS : RISCVMOP<0b110>;
+def MOPLDIndexedS : RISCVMOP<0b111>;
+
+def MOPSTUnitStride : RISCVMOP<0b000>;
+def MOPSTStrided : RISCVMOP<0b010>;
+def MOPSTIndexedOrder: RISCVMOP<0b011>;
+def MOPSTIndexedUnOrd: RISCVMOP<0b111>;
+
+class RISCVLSUMOP<bits<5> val> {
+ bits<5> Value = val;
+}
+def LUMOPUnitStride : RISCVLSUMOP<0b00000>;
+def LUMOPUnitStrideWholeReg : RISCVLSUMOP<0b01000>;
+def LUMOPUnitStrideFF: RISCVLSUMOP<0b10000>;
+def SUMOPUnitStride : RISCVLSUMOP<0b00000>;
+def SUMOPUnitStrideWholeReg : RISCVLSUMOP<0b01000>;
+
+class RISCVWidth<bits<3> val> {
+ bits<3> Value = val;
+}
+def LSWidthVByte : RISCVWidth<0b000>;
+def LSWidthVHalf : RISCVWidth<0b101>;
+def LSWidthVWord : RISCVWidth<0b110>;
+def LSWidthVSEW : RISCVWidth<0b111>;
+
+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} = 0b111;
+ let Inst{11-7} = rd;
+ let Opcode = 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} = 0b111;
+ let Inst{11-7} = rd;
+ let Opcode = 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 Opcode = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+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 Opcode = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+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 Opcode = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+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} = 0b011;
+ let Inst{11-7} = vd;
+ let Opcode = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+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 Opcode = OPC_OP_V.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+class RVInstVLU<bits<3> nf, RISCVMOP mop, RISCVLSUMOP lumop,
+ RISCVWidth 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{28-26} = mop.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = lumop.Value;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width.Value;
+ let Inst{11-7} = vd;
+ let Opcode = OPC_LOAD_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+class RVInstVLS<bits<3> nf, RISCVMOP mop, RISCVWidth 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{28-26} = mop.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = rs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width.Value;
+ let Inst{11-7} = vd;
+ let Opcode = OPC_LOAD_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+class RVInstVLX<bits<3> nf, RISCVMOP mop, RISCVWidth 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{28-26} = mop.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width.Value;
+ let Inst{11-7} = vd;
+ let Opcode = OPC_LOAD_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+class RVInstVSU<bits<3> nf, RISCVMOP mop, RISCVLSUMOP sumop,
+ RISCVWidth 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{28-26} = mop.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = sumop.Value;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width.Value;
+ let Inst{11-7} = vs3;
+ let Opcode = OPC_STORE_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+class RVInstVSS<bits<3> nf, RISCVMOP mop, RISCVWidth 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{28-26} = mop.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = rs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width.Value;
+ let Inst{11-7} = vs3;
+ let Opcode = OPC_STORE_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}
+
+class RVInstVSX<bits<3> nf, RISCVMOP mop, RISCVWidth 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{28-26} = mop.Value;
+ let Inst{25} = vm;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = rs1;
+ let Inst{14-12} = width.Value;
+ let Inst{11-7} = vs3;
+ let Opcode = OPC_STORE_FP.Value;
+
+ let Uses = [VTYPE, VL];
+}