| //===-- MipsMTInstrInfo.td - Mips MT Instruction Infos -----*- 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 MIPS MT ASE as defined by MD00378 1.12. |
| // |
| // TODO: Add support for the microMIPS encodings for the MT ASE and add the |
| // instruction mappings. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // MIPS MT Instruction Encodings |
| //===----------------------------------------------------------------------===// |
| |
| class DMT_ENC : COP0_MFMC0_MT<FIELD5_1_DMT_EMT, FIELD5_2_DMT_EMT, |
| OPCODE_SC_D>; |
| |
| class EMT_ENC : COP0_MFMC0_MT<FIELD5_1_DMT_EMT, FIELD5_2_DMT_EMT, |
| OPCODE_SC_E>; |
| |
| class DVPE_ENC : COP0_MFMC0_MT<FIELD5_1_2_DVPE_EVPE, FIELD5_1_2_DVPE_EVPE, |
| OPCODE_SC_D>; |
| |
| class EVPE_ENC : COP0_MFMC0_MT<FIELD5_1_2_DVPE_EVPE, FIELD5_1_2_DVPE_EVPE, |
| OPCODE_SC_E>; |
| |
| class FORK_ENC : SPECIAL3_MT_FORK; |
| |
| class YIELD_ENC : SPECIAL3_MT_YIELD; |
| |
| class MFTR_ENC : COP0_MFTTR_MT<FIELD5_MFTR>; |
| |
| class MTTR_ENC : COP0_MFTTR_MT<FIELD5_MTTR>; |
| |
| //===----------------------------------------------------------------------===// |
| // MIPS MT Instruction Descriptions |
| //===----------------------------------------------------------------------===// |
| |
| class MT_1R_DESC_BASE<string instr_asm, InstrItinClass Itin = NoItinerary> { |
| dag OutOperandList = (outs GPR32Opnd:$rt); |
| dag InOperandList = (ins); |
| string AsmString = !strconcat(instr_asm, "\t$rt"); |
| list<dag> Pattern = []; |
| InstrItinClass Itinerary = Itin; |
| } |
| |
| class MFTR_DESC { |
| dag OutOperandList = (outs GPR32Opnd:$rd); |
| dag InOperandList = (ins GPR32Opnd:$rt, uimm1:$u, uimm3:$sel, uimm1:$h); |
| string AsmString = "mftr\t$rd, $rt, $u, $sel, $h"; |
| list<dag> Pattern = []; |
| InstrItinClass Itinerary = II_MFTR; |
| } |
| |
| class MTTR_DESC { |
| dag OutOperandList = (outs GPR32Opnd:$rd); |
| dag InOperandList = (ins GPR32Opnd:$rt, uimm1:$u, uimm3:$sel, uimm1:$h); |
| string AsmString = "mttr\t$rt, $rd, $u, $sel, $h"; |
| list<dag> Pattern = []; |
| InstrItinClass Itinerary = II_MTTR; |
| } |
| |
| class FORK_DESC { |
| dag OutOperandList = (outs GPR32Opnd:$rs, GPR32Opnd:$rd); |
| dag InOperandList = (ins GPR32Opnd:$rt); |
| string AsmString = "fork\t$rd, $rs, $rt"; |
| list<dag> Pattern = []; |
| InstrItinClass Itinerary = II_FORK; |
| } |
| |
| class YIELD_DESC { |
| dag OutOperandList = (outs GPR32Opnd:$rd); |
| dag InOperandList = (ins GPR32Opnd:$rs); |
| string AsmString = "yield\t$rd, $rs"; |
| list<dag> Pattern = []; |
| InstrItinClass Itinerary = II_YIELD; |
| } |
| |
| class DMT_DESC : MT_1R_DESC_BASE<"dmt", II_DMT>; |
| |
| class EMT_DESC : MT_1R_DESC_BASE<"emt", II_EMT>; |
| |
| class DVPE_DESC : MT_1R_DESC_BASE<"dvpe", II_DVPE>; |
| |
| class EVPE_DESC : MT_1R_DESC_BASE<"evpe", II_EVPE>; |
| |
| //===----------------------------------------------------------------------===// |
| // MIPS MT Instruction Definitions |
| //===----------------------------------------------------------------------===// |
| let hasSideEffects = 1, isNotDuplicable = 1, |
| AdditionalPredicates = [NotInMicroMips] in { |
| def DMT : DMT_ENC, DMT_DESC, ASE_MT; |
| |
| def EMT : EMT_ENC, EMT_DESC, ASE_MT; |
| |
| def DVPE : DVPE_ENC, DVPE_DESC, ASE_MT; |
| |
| def EVPE : EVPE_ENC, EVPE_DESC, ASE_MT; |
| |
| def FORK : FORK_ENC, FORK_DESC, ASE_MT; |
| |
| def YIELD : YIELD_ENC, YIELD_DESC, ASE_MT; |
| |
| def MFTR : MFTR_ENC, MFTR_DESC, ASE_MT; |
| |
| def MTTR : MTTR_ENC, MTTR_DESC, ASE_MT; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // MIPS MT Pseudo Instructions - used to support mtfr & mttr aliases. |
| //===----------------------------------------------------------------------===// |
| def MFTC0 : MipsAsmPseudoInst<(outs GPR32Opnd:$rd), (ins COP0Opnd:$rt, |
| uimm3:$sel), |
| "mftc0 $rd, $rt, $sel">, ASE_MT; |
| |
| def MFTGPR : MipsAsmPseudoInst<(outs GPR32Opnd:$rd), (ins GPR32Opnd:$rt, |
| uimm3:$sel), |
| "mftgpr $rd, $rt">, ASE_MT; |
| |
| def MFTLO : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins ACC64DSPOpnd:$ac), |
| "mftlo $rt, $ac">, ASE_MT; |
| |
| def MFTHI : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins ACC64DSPOpnd:$ac), |
| "mfthi $rt, $ac">, ASE_MT; |
| |
| def MFTACX : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins ACC64DSPOpnd:$ac), |
| "mftacx $rt, $ac">, ASE_MT; |
| |
| def MFTDSP : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins), |
| "mftdsp $rt">, ASE_MT; |
| |
| def MFTC1 : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins FGR32Opnd:$ft), |
| "mftc1 $rt, $ft">, ASE_MT; |
| |
| def MFTHC1 : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins FGR32Opnd:$ft), |
| "mfthc1 $rt, $ft">, ASE_MT; |
| |
| def CFTC1 : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins FGRCCOpnd:$ft), |
| "cftc1 $rt, $ft">, ASE_MT; |
| |
| |
| def MTTC0 : MipsAsmPseudoInst<(outs COP0Opnd:$rd), (ins GPR32Opnd:$rt, |
| uimm3:$sel), |
| "mttc0 $rt, $rd, $sel">, ASE_MT; |
| |
| def MTTGPR : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins GPR32Opnd:$rd), |
| "mttgpr $rd, $rt">, ASE_MT; |
| |
| def MTTLO : MipsAsmPseudoInst<(outs ACC64DSPOpnd:$ac), (ins GPR32Opnd:$rt), |
| "mttlo $rt, $ac">, ASE_MT; |
| |
| def MTTHI : MipsAsmPseudoInst<(outs ACC64DSPOpnd:$ac), (ins GPR32Opnd:$rt), |
| "mtthi $rt, $ac">, ASE_MT; |
| |
| def MTTACX : MipsAsmPseudoInst<(outs ACC64DSPOpnd:$ac), (ins GPR32Opnd:$rt), |
| "mttacx $rt, $ac">, ASE_MT; |
| |
| def MTTDSP : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rt), |
| "mttdsp $rt">, ASE_MT; |
| |
| def MTTC1 : MipsAsmPseudoInst<(outs FGR32Opnd:$ft), (ins GPR32Opnd:$rt), |
| "mttc1 $rt, $ft">, ASE_MT; |
| |
| def MTTHC1 : MipsAsmPseudoInst<(outs FGR32Opnd:$ft), (ins GPR32Opnd:$rt), |
| "mtthc1 $rt, $ft">, ASE_MT; |
| |
| def CTTC1 : MipsAsmPseudoInst<(outs FGRCCOpnd:$ft), (ins GPR32Opnd:$rt), |
| "cttc1 $rt, $ft">, ASE_MT; |
| |
| //===----------------------------------------------------------------------===// |
| // MIPS MT Instruction Definitions |
| //===----------------------------------------------------------------------===// |
| |
| let AdditionalPredicates = [NotInMicroMips] in { |
| def : MipsInstAlias<"dmt", (DMT ZERO), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"emt", (EMT ZERO), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"dvpe", (DVPE ZERO), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"evpe", (EVPE ZERO), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"yield $rs", (YIELD ZERO, GPR32Opnd:$rs), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"mftc0 $rd, $rt", (MFTC0 GPR32Opnd:$rd, COP0Opnd:$rt, 0), |
| 1>, ASE_MT; |
| |
| def : MipsInstAlias<"mftlo $rt", (MFTLO GPR32Opnd:$rt, AC0), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"mfthi $rt", (MFTHI GPR32Opnd:$rt, AC0), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"mftacx $rt", (MFTACX GPR32Opnd:$rt, AC0), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"mttc0 $rd, $rt", (MTTC0 COP0Opnd:$rt, GPR32Opnd:$rd, 0), |
| 1>, ASE_MT; |
| |
| def : MipsInstAlias<"mttlo $rt", (MTTLO AC0, GPR32Opnd:$rt), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"mtthi $rt", (MTTHI AC0, GPR32Opnd:$rt), 1>, ASE_MT; |
| |
| def : MipsInstAlias<"mttacx $rt", (MTTACX AC0, GPR32Opnd:$rt), 1>, ASE_MT; |
| } |
