diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrFormatsV.td')
-rw-r--r-- | contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrFormatsV.td | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrFormatsV.td b/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrFormatsV.td new file mode 100644 index 000000000000..e5f154966ba6 --- /dev/null +++ b/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrFormatsV.td @@ -0,0 +1,300 @@ +//===-- 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]; +} |