| //===-- ARMInstrVFP.td - VFP support for ARM ---------------*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file describes the ARM VFP instruction set. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| def SDT_CMPFP0 : SDTypeProfile<0, 2, [SDTCisFP<0>, SDTCisVT<1, i32>]>; |
| def SDT_VMOVDRR : SDTypeProfile<1, 2, [SDTCisVT<0, f64>, SDTCisVT<1, i32>, |
| SDTCisSameAs<1, 2>]>; |
| def SDT_VMOVRRD : SDTypeProfile<2, 1, [SDTCisVT<0, i32>, SDTCisSameAs<0, 1>, |
| SDTCisVT<2, f64>]>; |
| |
| def arm_fmstat : SDNode<"ARMISD::FMSTAT", SDTNone, [SDNPInGlue, SDNPOutGlue]>; |
| def arm_cmpfp : SDNode<"ARMISD::CMPFP", SDT_ARMFCmp, [SDNPOutGlue]>; |
| def arm_cmpfp0 : SDNode<"ARMISD::CMPFPw0", SDT_CMPFP0, [SDNPOutGlue]>; |
| def arm_fmdrr : SDNode<"ARMISD::VMOVDRR", SDT_VMOVDRR>; |
| def arm_fmrrd : SDNode<"ARMISD::VMOVRRD", SDT_VMOVRRD>; |
| |
| //===----------------------------------------------------------------------===// |
| // Operand Definitions. |
| // |
| |
| // 8-bit floating-point immediate encodings. |
| def FPImmOperand : AsmOperandClass { |
| let Name = "FPImm"; |
| let ParserMethod = "parseFPImm"; |
| } |
| |
| def vfp_f16imm : Operand<f16>, |
| PatLeaf<(f16 fpimm), [{ |
| return ARM_AM::getFP16Imm(N->getValueAPF()) != -1; |
| }], SDNodeXForm<fpimm, [{ |
| APFloat InVal = N->getValueAPF(); |
| uint32_t enc = ARM_AM::getFP16Imm(InVal); |
| return CurDAG->getTargetConstant(enc, MVT::i32); |
| }]>> { |
| let PrintMethod = "printFPImmOperand"; |
| let ParserMatchClass = FPImmOperand; |
| } |
| |
| def vfp_f32imm : Operand<f32>, |
| PatLeaf<(f32 fpimm), [{ |
| return ARM_AM::getFP32Imm(N->getValueAPF()) != -1; |
| }], SDNodeXForm<fpimm, [{ |
| APFloat InVal = N->getValueAPF(); |
| uint32_t enc = ARM_AM::getFP32Imm(InVal); |
| return CurDAG->getTargetConstant(enc, SDLoc(N), MVT::i32); |
| }]>> { |
| let PrintMethod = "printFPImmOperand"; |
| let ParserMatchClass = FPImmOperand; |
| } |
| |
| def vfp_f64imm : Operand<f64>, |
| PatLeaf<(f64 fpimm), [{ |
| return ARM_AM::getFP64Imm(N->getValueAPF()) != -1; |
| }], SDNodeXForm<fpimm, [{ |
| APFloat InVal = N->getValueAPF(); |
| uint32_t enc = ARM_AM::getFP64Imm(InVal); |
| return CurDAG->getTargetConstant(enc, SDLoc(N), MVT::i32); |
| }]>> { |
| let PrintMethod = "printFPImmOperand"; |
| let ParserMatchClass = FPImmOperand; |
| } |
| |
| def alignedload32 : PatFrag<(ops node:$ptr), (load node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getAlignment() >= 4; |
| }]>; |
| |
| def alignedstore32 : PatFrag<(ops node:$val, node:$ptr), |
| (store node:$val, node:$ptr), [{ |
| return cast<StoreSDNode>(N)->getAlignment() >= 4; |
| }]>; |
| |
| // The VCVT to/from fixed-point instructions encode the 'fbits' operand |
| // (the number of fixed bits) differently than it appears in the assembly |
| // source. It's encoded as "Size - fbits" where Size is the size of the |
| // fixed-point representation (32 or 16) and fbits is the value appearing |
| // in the assembly source, an integer in [0,16] or (0,32], depending on size. |
| def fbits32_asm_operand : AsmOperandClass { let Name = "FBits32"; } |
| def fbits32 : Operand<i32> { |
| let PrintMethod = "printFBits32"; |
| let ParserMatchClass = fbits32_asm_operand; |
| } |
| |
| def fbits16_asm_operand : AsmOperandClass { let Name = "FBits16"; } |
| def fbits16 : Operand<i32> { |
| let PrintMethod = "printFBits16"; |
| let ParserMatchClass = fbits16_asm_operand; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Load / store Instructions. |
| // |
| |
| let canFoldAsLoad = 1, isReMaterializable = 1 in { |
| |
| def VLDRD : ADI5<0b1101, 0b01, (outs DPR:$Dd), (ins addrmode5:$addr), |
| IIC_fpLoad64, "vldr", "\t$Dd, $addr", |
| [(set DPR:$Dd, (f64 (alignedload32 addrmode5:$addr)))]>; |
| |
| def VLDRS : ASI5<0b1101, 0b01, (outs SPR:$Sd), (ins addrmode5:$addr), |
| IIC_fpLoad32, "vldr", "\t$Sd, $addr", |
| [(set SPR:$Sd, (alignedload32 addrmode5:$addr))]> { |
| // Some single precision VFP instructions may be executed on both NEON and VFP |
| // pipelines. |
| let D = VFPNeonDomain; |
| } |
| |
| def VLDRH : AHI5<0b1101, 0b01, (outs SPR:$Sd), (ins addrmode5fp16:$addr), |
| IIC_fpLoad16, "vldr", ".16\t$Sd, $addr", |
| []>, |
| Requires<[HasFullFP16]>; |
| |
| } // End of 'let canFoldAsLoad = 1, isReMaterializable = 1 in' |
| |
| def VSTRD : ADI5<0b1101, 0b00, (outs), (ins DPR:$Dd, addrmode5:$addr), |
| IIC_fpStore64, "vstr", "\t$Dd, $addr", |
| [(alignedstore32 (f64 DPR:$Dd), addrmode5:$addr)]>; |
| |
| def VSTRS : ASI5<0b1101, 0b00, (outs), (ins SPR:$Sd, addrmode5:$addr), |
| IIC_fpStore32, "vstr", "\t$Sd, $addr", |
| [(alignedstore32 SPR:$Sd, addrmode5:$addr)]> { |
| // Some single precision VFP instructions may be executed on both NEON and VFP |
| // pipelines. |
| let D = VFPNeonDomain; |
| } |
| |
| def VSTRH : AHI5<0b1101, 0b00, (outs), (ins SPR:$Sd, addrmode5fp16:$addr), |
| IIC_fpStore16, "vstr", ".16\t$Sd, $addr", |
| []>, |
| Requires<[HasFullFP16]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Load / store multiple Instructions. |
| // |
| |
| multiclass vfp_ldst_mult<string asm, bit L_bit, |
| InstrItinClass itin, InstrItinClass itin_upd> { |
| // Double Precision |
| def DIA : |
| AXDI4<(outs), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops), |
| IndexModeNone, itin, |
| !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> { |
| let Inst{24-23} = 0b01; // Increment After |
| let Inst{21} = 0; // No writeback |
| let Inst{20} = L_bit; |
| } |
| def DIA_UPD : |
| AXDI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, |
| variable_ops), |
| IndexModeUpd, itin_upd, |
| !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> { |
| let Inst{24-23} = 0b01; // Increment After |
| let Inst{21} = 1; // Writeback |
| let Inst{20} = L_bit; |
| } |
| def DDB_UPD : |
| AXDI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, |
| variable_ops), |
| IndexModeUpd, itin_upd, |
| !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> { |
| let Inst{24-23} = 0b10; // Decrement Before |
| let Inst{21} = 1; // Writeback |
| let Inst{20} = L_bit; |
| } |
| |
| // Single Precision |
| def SIA : |
| AXSI4<(outs), (ins GPR:$Rn, pred:$p, spr_reglist:$regs, variable_ops), |
| IndexModeNone, itin, |
| !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> { |
| let Inst{24-23} = 0b01; // Increment After |
| let Inst{21} = 0; // No writeback |
| let Inst{20} = L_bit; |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines. |
| let D = VFPNeonDomain; |
| } |
| def SIA_UPD : |
| AXSI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, spr_reglist:$regs, |
| variable_ops), |
| IndexModeUpd, itin_upd, |
| !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> { |
| let Inst{24-23} = 0b01; // Increment After |
| let Inst{21} = 1; // Writeback |
| let Inst{20} = L_bit; |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines. |
| let D = VFPNeonDomain; |
| } |
| def SDB_UPD : |
| AXSI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, spr_reglist:$regs, |
| variable_ops), |
| IndexModeUpd, itin_upd, |
| !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> { |
| let Inst{24-23} = 0b10; // Decrement Before |
| let Inst{21} = 1; // Writeback |
| let Inst{20} = L_bit; |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines. |
| let D = VFPNeonDomain; |
| } |
| } |
| |
| let hasSideEffects = 0 in { |
| |
| let mayLoad = 1, hasExtraDefRegAllocReq = 1 in |
| defm VLDM : vfp_ldst_mult<"vldm", 1, IIC_fpLoad_m, IIC_fpLoad_mu>; |
| |
| let mayStore = 1, hasExtraSrcRegAllocReq = 1 in |
| defm VSTM : vfp_ldst_mult<"vstm", 0, IIC_fpStore_m, IIC_fpStore_mu>; |
| |
| } // hasSideEffects |
| |
| def : MnemonicAlias<"vldm", "vldmia">; |
| def : MnemonicAlias<"vstm", "vstmia">; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Lazy load / store multiple Instructions |
| // |
| let mayLoad = 1 in |
| def VLLDM : AXSI4<(outs), (ins GPRnopc:$Rn, pred:$p), IndexModeNone, |
| IIC_fpLoad_m, "vlldm${p}\t$Rn", "", []>, |
| Requires<[HasV8MMainline, Has8MSecExt]> { |
| let Inst{24-23} = 0b00; |
| let Inst{22} = 0; |
| let Inst{21} = 1; |
| let Inst{20} = 1; |
| let Inst{15-12} = 0; |
| let Inst{7-0} = 0; |
| let mayLoad = 1; |
| } |
| |
| let mayStore = 1 in |
| def VLSTM : AXSI4<(outs), (ins GPRnopc:$Rn, pred:$p), IndexModeNone, |
| IIC_fpStore_m, "vlstm${p}\t$Rn", "", []>, |
| Requires<[HasV8MMainline, Has8MSecExt]> { |
| let Inst{24-23} = 0b00; |
| let Inst{22} = 0; |
| let Inst{21} = 1; |
| let Inst{20} = 0; |
| let Inst{15-12} = 0; |
| let Inst{7-0} = 0; |
| let mayStore = 1; |
| } |
| |
| |
| // FLDM/FSTM - Load / Store multiple single / double precision registers for |
| // pre-ARMv6 cores. |
| // These instructions are deprecated! |
| def : VFP2MnemonicAlias<"fldmias", "vldmia">; |
| def : VFP2MnemonicAlias<"fldmdbs", "vldmdb">; |
| def : VFP2MnemonicAlias<"fldmeas", "vldmdb">; |
| def : VFP2MnemonicAlias<"fldmfds", "vldmia">; |
| def : VFP2MnemonicAlias<"fldmiad", "vldmia">; |
| def : VFP2MnemonicAlias<"fldmdbd", "vldmdb">; |
| def : VFP2MnemonicAlias<"fldmead", "vldmdb">; |
| def : VFP2MnemonicAlias<"fldmfdd", "vldmia">; |
| |
| def : VFP2MnemonicAlias<"fstmias", "vstmia">; |
| def : VFP2MnemonicAlias<"fstmdbs", "vstmdb">; |
| def : VFP2MnemonicAlias<"fstmeas", "vstmia">; |
| def : VFP2MnemonicAlias<"fstmfds", "vstmdb">; |
| def : VFP2MnemonicAlias<"fstmiad", "vstmia">; |
| def : VFP2MnemonicAlias<"fstmdbd", "vstmdb">; |
| def : VFP2MnemonicAlias<"fstmead", "vstmia">; |
| def : VFP2MnemonicAlias<"fstmfdd", "vstmdb">; |
| |
| def : InstAlias<"vpush${p} $r", (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r), 0>, |
| Requires<[HasVFP2]>; |
| def : InstAlias<"vpush${p} $r", (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r), 0>, |
| Requires<[HasVFP2]>; |
| def : InstAlias<"vpop${p} $r", (VLDMDIA_UPD SP, pred:$p, dpr_reglist:$r), 0>, |
| Requires<[HasVFP2]>; |
| def : InstAlias<"vpop${p} $r", (VLDMSIA_UPD SP, pred:$p, spr_reglist:$r), 0>, |
| Requires<[HasVFP2]>; |
| defm : VFPDTAnyInstAlias<"vpush${p}", "$r", |
| (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r)>; |
| defm : VFPDTAnyInstAlias<"vpush${p}", "$r", |
| (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r)>; |
| defm : VFPDTAnyInstAlias<"vpop${p}", "$r", |
| (VLDMSIA_UPD SP, pred:$p, spr_reglist:$r)>; |
| defm : VFPDTAnyInstAlias<"vpop${p}", "$r", |
| (VLDMDIA_UPD SP, pred:$p, dpr_reglist:$r)>; |
| |
| // FLDMX, FSTMX - Load and store multiple unknown precision registers for |
| // pre-armv6 cores. |
| // These instruction are deprecated so we don't want them to get selected. |
| multiclass vfp_ldstx_mult<string asm, bit L_bit> { |
| // Unknown precision |
| def XIA : |
| AXXI4<(outs), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops), |
| IndexModeNone, !strconcat(asm, "iax${p}\t$Rn, $regs"), "", []> { |
| let Inst{24-23} = 0b01; // Increment After |
| let Inst{21} = 0; // No writeback |
| let Inst{20} = L_bit; |
| } |
| def XIA_UPD : |
| AXXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops), |
| IndexModeUpd, !strconcat(asm, "iax${p}\t$Rn!, $regs"), "$Rn = $wb", []> { |
| let Inst{24-23} = 0b01; // Increment After |
| let Inst{21} = 1; // Writeback |
| let Inst{20} = L_bit; |
| } |
| def XDB_UPD : |
| AXXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops), |
| IndexModeUpd, !strconcat(asm, "dbx${p}\t$Rn!, $regs"), "$Rn = $wb", []> { |
| let Inst{24-23} = 0b10; // Decrement Before |
| let Inst{21} = 1; // Writeback |
| let Inst{20} = L_bit; |
| } |
| } |
| |
| defm FLDM : vfp_ldstx_mult<"fldm", 1>; |
| defm FSTM : vfp_ldstx_mult<"fstm", 0>; |
| |
| def : VFP2MnemonicAlias<"fldmeax", "fldmdbx">; |
| def : VFP2MnemonicAlias<"fldmfdx", "fldmiax">; |
| |
| def : VFP2MnemonicAlias<"fstmeax", "fstmiax">; |
| def : VFP2MnemonicAlias<"fstmfdx", "fstmdbx">; |
| |
| //===----------------------------------------------------------------------===// |
| // FP Binary Operations. |
| // |
| |
| let TwoOperandAliasConstraint = "$Dn = $Dd" in |
| def VADDD : ADbI<0b11100, 0b11, 0, 0, |
| (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm), |
| IIC_fpALU64, "vadd", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fadd DPR:$Dn, (f64 DPR:$Dm)))]>, |
| Sched<[WriteFPALU64]>; |
| |
| let TwoOperandAliasConstraint = "$Sn = $Sd" in |
| def VADDS : ASbIn<0b11100, 0b11, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpALU32, "vadd", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fadd SPR:$Sn, SPR:$Sm))]>, |
| Sched<[WriteFPALU32]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| let TwoOperandAliasConstraint = "$Sn = $Sd" in |
| def VADDH : AHbI<0b11100, 0b11, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpALU16, "vadd", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| Sched<[WriteFPALU32]>; |
| |
| let TwoOperandAliasConstraint = "$Dn = $Dd" in |
| def VSUBD : ADbI<0b11100, 0b11, 1, 0, |
| (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm), |
| IIC_fpALU64, "vsub", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fsub DPR:$Dn, (f64 DPR:$Dm)))]>, |
| Sched<[WriteFPALU64]>; |
| |
| let TwoOperandAliasConstraint = "$Sn = $Sd" in |
| def VSUBS : ASbIn<0b11100, 0b11, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpALU32, "vsub", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fsub SPR:$Sn, SPR:$Sm))]>, |
| Sched<[WriteFPALU32]>{ |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| let TwoOperandAliasConstraint = "$Sn = $Sd" in |
| def VSUBH : AHbI<0b11100, 0b11, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpALU16, "vsub", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| Sched<[WriteFPALU32]>; |
| |
| let TwoOperandAliasConstraint = "$Dn = $Dd" in |
| def VDIVD : ADbI<0b11101, 0b00, 0, 0, |
| (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm), |
| IIC_fpDIV64, "vdiv", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fdiv DPR:$Dn, (f64 DPR:$Dm)))]>, |
| Sched<[WriteFPDIV64]>; |
| |
| let TwoOperandAliasConstraint = "$Sn = $Sd" in |
| def VDIVS : ASbI<0b11101, 0b00, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpDIV32, "vdiv", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fdiv SPR:$Sn, SPR:$Sm))]>, |
| Sched<[WriteFPDIV32]>; |
| |
| let TwoOperandAliasConstraint = "$Sn = $Sd" in |
| def VDIVH : AHbI<0b11101, 0b00, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpDIV16, "vdiv", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| Sched<[WriteFPDIV32]>; |
| |
| let TwoOperandAliasConstraint = "$Dn = $Dd" in |
| def VMULD : ADbI<0b11100, 0b10, 0, 0, |
| (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm), |
| IIC_fpMUL64, "vmul", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fmul DPR:$Dn, (f64 DPR:$Dm)))]>, |
| Sched<[WriteFPMUL64, ReadFPMUL, ReadFPMUL]>; |
| |
| let TwoOperandAliasConstraint = "$Sn = $Sd" in |
| def VMULS : ASbIn<0b11100, 0b10, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpMUL32, "vmul", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fmul SPR:$Sn, SPR:$Sm))]>, |
| Sched<[WriteFPMUL32, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| let TwoOperandAliasConstraint = "$Sn = $Sd" in |
| def VMULH : AHbI<0b11100, 0b10, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpMUL16, "vmul", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| Sched<[WriteFPMUL32, ReadFPMUL, ReadFPMUL]>; |
| |
| def VNMULD : ADbI<0b11100, 0b10, 1, 0, |
| (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm), |
| IIC_fpMUL64, "vnmul", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fneg (fmul DPR:$Dn, (f64 DPR:$Dm))))]>, |
| Sched<[WriteFPMUL64, ReadFPMUL, ReadFPMUL]>; |
| |
| def VNMULS : ASbI<0b11100, 0b10, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpMUL32, "vnmul", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fneg (fmul SPR:$Sn, SPR:$Sm)))]>, |
| Sched<[WriteFPMUL32, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VNMULH : AHbI<0b11100, 0b10, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| IIC_fpMUL16, "vnmul", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| Sched<[WriteFPMUL32, ReadFPMUL, ReadFPMUL]>; |
| |
| multiclass vsel_inst<string op, bits<2> opc, int CC> { |
| let DecoderNamespace = "VFPV8", PostEncoderMethod = "", |
| Uses = [CPSR], AddedComplexity = 4 in { |
| def H : AHbInp<0b11100, opc, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| NoItinerary, !strconcat("vsel", op, ".f16\t$Sd, $Sn, $Sm"), |
| []>, |
| Requires<[HasFullFP16]>; |
| |
| def S : ASbInp<0b11100, opc, 0, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| NoItinerary, !strconcat("vsel", op, ".f32\t$Sd, $Sn, $Sm"), |
| [(set SPR:$Sd, (ARMcmov SPR:$Sm, SPR:$Sn, CC))]>, |
| Requires<[HasFPARMv8]>; |
| |
| def D : ADbInp<0b11100, opc, 0, |
| (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm), |
| NoItinerary, !strconcat("vsel", op, ".f64\t$Dd, $Dn, $Dm"), |
| [(set DPR:$Dd, (ARMcmov (f64 DPR:$Dm), (f64 DPR:$Dn), CC))]>, |
| Requires<[HasFPARMv8, HasDPVFP]>; |
| } |
| } |
| |
| // The CC constants here match ARMCC::CondCodes. |
| defm VSELGT : vsel_inst<"gt", 0b11, 12>; |
| defm VSELGE : vsel_inst<"ge", 0b10, 10>; |
| defm VSELEQ : vsel_inst<"eq", 0b00, 0>; |
| defm VSELVS : vsel_inst<"vs", 0b01, 6>; |
| |
| multiclass vmaxmin_inst<string op, bit opc, SDNode SD> { |
| let DecoderNamespace = "VFPV8", PostEncoderMethod = "" in { |
| def H : AHbInp<0b11101, 0b00, opc, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| NoItinerary, !strconcat(op, ".f16\t$Sd, $Sn, $Sm"), |
| []>, |
| Requires<[HasFullFP16]>; |
| |
| def S : ASbInp<0b11101, 0b00, opc, |
| (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm), |
| NoItinerary, !strconcat(op, ".f32\t$Sd, $Sn, $Sm"), |
| [(set SPR:$Sd, (SD SPR:$Sn, SPR:$Sm))]>, |
| Requires<[HasFPARMv8]>; |
| |
| def D : ADbInp<0b11101, 0b00, opc, |
| (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm), |
| NoItinerary, !strconcat(op, ".f64\t$Dd, $Dn, $Dm"), |
| [(set DPR:$Dd, (f64 (SD (f64 DPR:$Dn), (f64 DPR:$Dm))))]>, |
| Requires<[HasFPARMv8, HasDPVFP]>; |
| } |
| } |
| |
| defm VMAXNM : vmaxmin_inst<"vmaxnm", 0, fmaxnum>; |
| defm VMINNM : vmaxmin_inst<"vminnm", 1, fminnum>; |
| |
| // Match reassociated forms only if not sign dependent rounding. |
| def : Pat<(fmul (fneg DPR:$a), (f64 DPR:$b)), |
| (VNMULD DPR:$a, DPR:$b)>, |
| Requires<[NoHonorSignDependentRounding,HasDPVFP]>; |
| def : Pat<(fmul (fneg SPR:$a), SPR:$b), |
| (VNMULS SPR:$a, SPR:$b)>, Requires<[NoHonorSignDependentRounding]>; |
| |
| // These are encoded as unary instructions. |
| let Defs = [FPSCR_NZCV] in { |
| def VCMPED : ADuI<0b11101, 0b11, 0b0100, 0b11, 0, |
| (outs), (ins DPR:$Dd, DPR:$Dm), |
| IIC_fpCMP64, "vcmpe", ".f64\t$Dd, $Dm", |
| [(arm_cmpfp DPR:$Dd, (f64 DPR:$Dm), (i32 1))]>; |
| |
| def VCMPES : ASuI<0b11101, 0b11, 0b0100, 0b11, 0, |
| (outs), (ins SPR:$Sd, SPR:$Sm), |
| IIC_fpCMP32, "vcmpe", ".f32\t$Sd, $Sm", |
| [(arm_cmpfp SPR:$Sd, SPR:$Sm, (i32 1))]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VCMPEH : AHuI<0b11101, 0b11, 0b0100, 0b11, 0, |
| (outs), (ins SPR:$Sd, SPR:$Sm), |
| IIC_fpCMP16, "vcmpe", ".f16\t$Sd, $Sm", |
| []>; |
| |
| def VCMPD : ADuI<0b11101, 0b11, 0b0100, 0b01, 0, |
| (outs), (ins DPR:$Dd, DPR:$Dm), |
| IIC_fpCMP64, "vcmp", ".f64\t$Dd, $Dm", |
| [(arm_cmpfp DPR:$Dd, (f64 DPR:$Dm), (i32 0))]>; |
| |
| def VCMPS : ASuI<0b11101, 0b11, 0b0100, 0b01, 0, |
| (outs), (ins SPR:$Sd, SPR:$Sm), |
| IIC_fpCMP32, "vcmp", ".f32\t$Sd, $Sm", |
| [(arm_cmpfp SPR:$Sd, SPR:$Sm, (i32 0))]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VCMPH : AHuI<0b11101, 0b11, 0b0100, 0b01, 0, |
| (outs), (ins SPR:$Sd, SPR:$Sm), |
| IIC_fpCMP16, "vcmp", ".f16\t$Sd, $Sm", |
| []>; |
| } // Defs = [FPSCR_NZCV] |
| |
| //===----------------------------------------------------------------------===// |
| // FP Unary Operations. |
| // |
| |
| def VABSD : ADuI<0b11101, 0b11, 0b0000, 0b11, 0, |
| (outs DPR:$Dd), (ins DPR:$Dm), |
| IIC_fpUNA64, "vabs", ".f64\t$Dd, $Dm", |
| [(set DPR:$Dd, (fabs (f64 DPR:$Dm)))]>; |
| |
| def VABSS : ASuIn<0b11101, 0b11, 0b0000, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpUNA32, "vabs", ".f32\t$Sd, $Sm", |
| [(set SPR:$Sd, (fabs SPR:$Sm))]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VABSH : AHuI<0b11101, 0b11, 0b0000, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpUNA16, "vabs", ".f16\t$Sd, $Sm", |
| []>; |
| |
| let Defs = [FPSCR_NZCV] in { |
| def VCMPEZD : ADuI<0b11101, 0b11, 0b0101, 0b11, 0, |
| (outs), (ins DPR:$Dd), |
| IIC_fpCMP64, "vcmpe", ".f64\t$Dd, #0", |
| [(arm_cmpfp0 (f64 DPR:$Dd), (i32 1))]> { |
| let Inst{3-0} = 0b0000; |
| let Inst{5} = 0; |
| } |
| |
| def VCMPEZS : ASuI<0b11101, 0b11, 0b0101, 0b11, 0, |
| (outs), (ins SPR:$Sd), |
| IIC_fpCMP32, "vcmpe", ".f32\t$Sd, #0", |
| [(arm_cmpfp0 SPR:$Sd, (i32 1))]> { |
| let Inst{3-0} = 0b0000; |
| let Inst{5} = 0; |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VCMPEZH : AHuI<0b11101, 0b11, 0b0101, 0b11, 0, |
| (outs), (ins SPR:$Sd), |
| IIC_fpCMP16, "vcmpe", ".f16\t$Sd, #0", |
| []> { |
| let Inst{3-0} = 0b0000; |
| let Inst{5} = 0; |
| } |
| |
| def VCMPZD : ADuI<0b11101, 0b11, 0b0101, 0b01, 0, |
| (outs), (ins DPR:$Dd), |
| IIC_fpCMP64, "vcmp", ".f64\t$Dd, #0", |
| [(arm_cmpfp0 (f64 DPR:$Dd), (i32 0))]> { |
| let Inst{3-0} = 0b0000; |
| let Inst{5} = 0; |
| } |
| |
| def VCMPZS : ASuI<0b11101, 0b11, 0b0101, 0b01, 0, |
| (outs), (ins SPR:$Sd), |
| IIC_fpCMP32, "vcmp", ".f32\t$Sd, #0", |
| [(arm_cmpfp0 SPR:$Sd, (i32 0))]> { |
| let Inst{3-0} = 0b0000; |
| let Inst{5} = 0; |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VCMPZH : AHuI<0b11101, 0b11, 0b0101, 0b01, 0, |
| (outs), (ins SPR:$Sd), |
| IIC_fpCMP16, "vcmp", ".f16\t$Sd, #0", |
| []> { |
| let Inst{3-0} = 0b0000; |
| let Inst{5} = 0; |
| } |
| } // Defs = [FPSCR_NZCV] |
| |
| def VCVTDS : ASuI<0b11101, 0b11, 0b0111, 0b11, 0, |
| (outs DPR:$Dd), (ins SPR:$Sm), |
| IIC_fpCVTDS, "vcvt", ".f64.f32\t$Dd, $Sm", |
| [(set DPR:$Dd, (fpextend SPR:$Sm))]>, |
| Sched<[WriteFPCVT]> { |
| // Instruction operands. |
| bits<5> Dd; |
| bits<5> Sm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Sm{4-1}; |
| let Inst{5} = Sm{0}; |
| let Inst{15-12} = Dd{3-0}; |
| let Inst{22} = Dd{4}; |
| |
| let Predicates = [HasVFP2, HasDPVFP]; |
| } |
| |
| // Special case encoding: bits 11-8 is 0b1011. |
| def VCVTSD : VFPAI<(outs SPR:$Sd), (ins DPR:$Dm), VFPUnaryFrm, |
| IIC_fpCVTSD, "vcvt", ".f32.f64\t$Sd, $Dm", |
| [(set SPR:$Sd, (fpround DPR:$Dm))]>, |
| Sched<[WriteFPCVT]> { |
| // Instruction operands. |
| bits<5> Sd; |
| bits<5> Dm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Dm{3-0}; |
| let Inst{5} = Dm{4}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{22} = Sd{0}; |
| |
| let Inst{27-23} = 0b11101; |
| let Inst{21-16} = 0b110111; |
| let Inst{11-8} = 0b1011; |
| let Inst{7-6} = 0b11; |
| let Inst{4} = 0; |
| |
| let Predicates = [HasVFP2, HasDPVFP]; |
| } |
| |
| // Between half, single and double-precision. For disassembly only. |
| |
| def VCVTBHS: ASuI<0b11101, 0b11, 0b0010, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm), |
| /* FIXME */ IIC_fpCVTSH, "vcvtb", ".f32.f16\t$Sd, $Sm", |
| [/* For disassembly only; pattern left blank */]>, |
| Requires<[HasFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VCVTBSH: ASuI<0b11101, 0b11, 0b0011, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm), |
| /* FIXME */ IIC_fpCVTHS, "vcvtb", ".f16.f32\t$Sd, $Sm", |
| [/* For disassembly only; pattern left blank */]>, |
| Requires<[HasFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VCVTTHS: ASuI<0b11101, 0b11, 0b0010, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm), |
| /* FIXME */ IIC_fpCVTSH, "vcvtt", ".f32.f16\t$Sd, $Sm", |
| [/* For disassembly only; pattern left blank */]>, |
| Requires<[HasFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VCVTTSH: ASuI<0b11101, 0b11, 0b0011, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm), |
| /* FIXME */ IIC_fpCVTHS, "vcvtt", ".f16.f32\t$Sd, $Sm", |
| [/* For disassembly only; pattern left blank */]>, |
| Requires<[HasFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VCVTBHD : ADuI<0b11101, 0b11, 0b0010, 0b01, 0, |
| (outs DPR:$Dd), (ins SPR:$Sm), |
| NoItinerary, "vcvtb", ".f64.f16\t$Dd, $Sm", |
| []>, Requires<[HasFPARMv8, HasDPVFP]>, |
| Sched<[WriteFPCVT]> { |
| // Instruction operands. |
| bits<5> Sm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Sm{4-1}; |
| let Inst{5} = Sm{0}; |
| } |
| |
| def VCVTBDH : ADuI<0b11101, 0b11, 0b0011, 0b01, 0, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| NoItinerary, "vcvtb", ".f16.f64\t$Sd, $Dm", |
| []>, Requires<[HasFPARMv8, HasDPVFP]> { |
| // Instruction operands. |
| bits<5> Sd; |
| bits<5> Dm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Dm{3-0}; |
| let Inst{5} = Dm{4}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{22} = Sd{0}; |
| } |
| |
| def VCVTTHD : ADuI<0b11101, 0b11, 0b0010, 0b11, 0, |
| (outs DPR:$Dd), (ins SPR:$Sm), |
| NoItinerary, "vcvtt", ".f64.f16\t$Dd, $Sm", |
| []>, Requires<[HasFPARMv8, HasDPVFP]> { |
| // Instruction operands. |
| bits<5> Sm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Sm{4-1}; |
| let Inst{5} = Sm{0}; |
| } |
| |
| def VCVTTDH : ADuI<0b11101, 0b11, 0b0011, 0b11, 0, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| NoItinerary, "vcvtt", ".f16.f64\t$Sd, $Dm", |
| []>, Requires<[HasFPARMv8, HasDPVFP]> { |
| // Instruction operands. |
| bits<5> Sd; |
| bits<5> Dm; |
| |
| // Encode instruction operands. |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{22} = Sd{0}; |
| let Inst{3-0} = Dm{3-0}; |
| let Inst{5} = Dm{4}; |
| } |
| |
| def : Pat<(fp_to_f16 SPR:$a), |
| (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>; |
| |
| def : Pat<(fp_to_f16 (f64 DPR:$a)), |
| (i32 (COPY_TO_REGCLASS (VCVTBDH DPR:$a), GPR))>; |
| |
| def : Pat<(f16_to_fp GPR:$a), |
| (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>; |
| |
| def : Pat<(f64 (f16_to_fp GPR:$a)), |
| (VCVTBHD (COPY_TO_REGCLASS GPR:$a, SPR))>; |
| |
| multiclass vcvt_inst<string opc, bits<2> rm, |
| SDPatternOperator node = null_frag> { |
| let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in { |
| def SH : AHuInp<0b11101, 0b11, 0b1100, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| NoItinerary, !strconcat("vcvt", opc, ".s32.f16\t$Sd, $Sm"), |
| []>, |
| Requires<[HasFullFP16]> { |
| let Inst{17-16} = rm; |
| } |
| |
| def UH : AHuInp<0b11101, 0b11, 0b1100, 0b01, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| NoItinerary, !strconcat("vcvt", opc, ".u32.f16\t$Sd, $Sm"), |
| []>, |
| Requires<[HasFullFP16]> { |
| let Inst{17-16} = rm; |
| } |
| |
| def SS : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| NoItinerary, !strconcat("vcvt", opc, ".s32.f32\t$Sd, $Sm"), |
| []>, |
| Requires<[HasFPARMv8]> { |
| let Inst{17-16} = rm; |
| } |
| |
| def US : ASuInp<0b11101, 0b11, 0b1100, 0b01, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| NoItinerary, !strconcat("vcvt", opc, ".u32.f32\t$Sd, $Sm"), |
| []>, |
| Requires<[HasFPARMv8]> { |
| let Inst{17-16} = rm; |
| } |
| |
| def SD : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| NoItinerary, !strconcat("vcvt", opc, ".s32.f64\t$Sd, $Dm"), |
| []>, |
| Requires<[HasFPARMv8, HasDPVFP]> { |
| bits<5> Dm; |
| |
| let Inst{17-16} = rm; |
| |
| // Encode instruction operands |
| let Inst{3-0} = Dm{3-0}; |
| let Inst{5} = Dm{4}; |
| let Inst{8} = 1; |
| } |
| |
| def UD : ASuInp<0b11101, 0b11, 0b1100, 0b01, 0, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| NoItinerary, !strconcat("vcvt", opc, ".u32.f64\t$Sd, $Dm"), |
| []>, |
| Requires<[HasFPARMv8, HasDPVFP]> { |
| bits<5> Dm; |
| |
| let Inst{17-16} = rm; |
| |
| // Encode instruction operands |
| let Inst{3-0} = Dm{3-0}; |
| let Inst{5} = Dm{4}; |
| let Inst{8} = 1; |
| } |
| } |
| |
| let Predicates = [HasFPARMv8] in { |
| def : Pat<(i32 (fp_to_sint (node SPR:$a))), |
| (COPY_TO_REGCLASS |
| (!cast<Instruction>(NAME#"SS") SPR:$a), |
| GPR)>; |
| def : Pat<(i32 (fp_to_uint (node SPR:$a))), |
| (COPY_TO_REGCLASS |
| (!cast<Instruction>(NAME#"US") SPR:$a), |
| GPR)>; |
| } |
| let Predicates = [HasFPARMv8, HasDPVFP] in { |
| def : Pat<(i32 (fp_to_sint (node (f64 DPR:$a)))), |
| (COPY_TO_REGCLASS |
| (!cast<Instruction>(NAME#"SD") DPR:$a), |
| GPR)>; |
| def : Pat<(i32 (fp_to_uint (node (f64 DPR:$a)))), |
| (COPY_TO_REGCLASS |
| (!cast<Instruction>(NAME#"UD") DPR:$a), |
| GPR)>; |
| } |
| } |
| |
| defm VCVTA : vcvt_inst<"a", 0b00, fround>; |
| defm VCVTN : vcvt_inst<"n", 0b01>; |
| defm VCVTP : vcvt_inst<"p", 0b10, fceil>; |
| defm VCVTM : vcvt_inst<"m", 0b11, ffloor>; |
| |
| def VNEGD : ADuI<0b11101, 0b11, 0b0001, 0b01, 0, |
| (outs DPR:$Dd), (ins DPR:$Dm), |
| IIC_fpUNA64, "vneg", ".f64\t$Dd, $Dm", |
| [(set DPR:$Dd, (fneg (f64 DPR:$Dm)))]>; |
| |
| def VNEGS : ASuIn<0b11101, 0b11, 0b0001, 0b01, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpUNA32, "vneg", ".f32\t$Sd, $Sm", |
| [(set SPR:$Sd, (fneg SPR:$Sm))]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VNEGH : AHuI<0b11101, 0b11, 0b0001, 0b01, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpUNA16, "vneg", ".f16\t$Sd, $Sm", |
| []>; |
| |
| multiclass vrint_inst_zrx<string opc, bit op, bit op2, SDPatternOperator node> { |
| def H : AHuI<0b11101, 0b11, 0b0110, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| NoItinerary, !strconcat("vrint", opc), ".f16\t$Sd, $Sm", |
| []>, |
| Requires<[HasFullFP16]> { |
| let Inst{7} = op2; |
| let Inst{16} = op; |
| } |
| |
| def S : ASuI<0b11101, 0b11, 0b0110, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| NoItinerary, !strconcat("vrint", opc), ".f32\t$Sd, $Sm", |
| [(set (f32 SPR:$Sd), (node (f32 SPR:$Sm)))]>, |
| Requires<[HasFPARMv8]> { |
| let Inst{7} = op2; |
| let Inst{16} = op; |
| } |
| def D : ADuI<0b11101, 0b11, 0b0110, 0b11, 0, |
| (outs DPR:$Dd), (ins DPR:$Dm), |
| NoItinerary, !strconcat("vrint", opc), ".f64\t$Dd, $Dm", |
| [(set (f64 DPR:$Dd), (node (f64 DPR:$Dm)))]>, |
| Requires<[HasFPARMv8, HasDPVFP]> { |
| let Inst{7} = op2; |
| let Inst{16} = op; |
| } |
| |
| def : InstAlias<!strconcat("vrint", opc, "$p.f16.f16\t$Sd, $Sm"), |
| (!cast<Instruction>(NAME#"H") SPR:$Sd, SPR:$Sm, pred:$p), 0>, |
| Requires<[HasFullFP16]>; |
| def : InstAlias<!strconcat("vrint", opc, "$p.f32.f32\t$Sd, $Sm"), |
| (!cast<Instruction>(NAME#"S") SPR:$Sd, SPR:$Sm, pred:$p), 0>, |
| Requires<[HasFPARMv8]>; |
| def : InstAlias<!strconcat("vrint", opc, "$p.f64.f64\t$Dd, $Dm"), |
| (!cast<Instruction>(NAME#"D") DPR:$Dd, DPR:$Dm, pred:$p), 0>, |
| Requires<[HasFPARMv8,HasDPVFP]>; |
| } |
| |
| defm VRINTZ : vrint_inst_zrx<"z", 0, 1, ftrunc>; |
| defm VRINTR : vrint_inst_zrx<"r", 0, 0, fnearbyint>; |
| defm VRINTX : vrint_inst_zrx<"x", 1, 0, frint>; |
| |
| multiclass vrint_inst_anpm<string opc, bits<2> rm, |
| SDPatternOperator node = null_frag> { |
| let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in { |
| def H : AHuInp<0b11101, 0b11, 0b1000, 0b01, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| NoItinerary, !strconcat("vrint", opc, ".f16\t$Sd, $Sm"), |
| []>, |
| Requires<[HasFullFP16]> { |
| let Inst{17-16} = rm; |
| } |
| def S : ASuInp<0b11101, 0b11, 0b1000, 0b01, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| NoItinerary, !strconcat("vrint", opc, ".f32\t$Sd, $Sm"), |
| [(set (f32 SPR:$Sd), (node (f32 SPR:$Sm)))]>, |
| Requires<[HasFPARMv8]> { |
| let Inst{17-16} = rm; |
| } |
| def D : ADuInp<0b11101, 0b11, 0b1000, 0b01, 0, |
| (outs DPR:$Dd), (ins DPR:$Dm), |
| NoItinerary, !strconcat("vrint", opc, ".f64\t$Dd, $Dm"), |
| [(set (f64 DPR:$Dd), (node (f64 DPR:$Dm)))]>, |
| Requires<[HasFPARMv8, HasDPVFP]> { |
| let Inst{17-16} = rm; |
| } |
| } |
| |
| def : InstAlias<!strconcat("vrint", opc, ".f32.f32\t$Sd, $Sm"), |
| (!cast<Instruction>(NAME#"S") SPR:$Sd, SPR:$Sm), 0>, |
| Requires<[HasFPARMv8]>; |
| def : InstAlias<!strconcat("vrint", opc, ".f64.f64\t$Dd, $Dm"), |
| (!cast<Instruction>(NAME#"D") DPR:$Dd, DPR:$Dm), 0>, |
| Requires<[HasFPARMv8,HasDPVFP]>; |
| } |
| |
| defm VRINTA : vrint_inst_anpm<"a", 0b00, fround>; |
| defm VRINTN : vrint_inst_anpm<"n", 0b01>; |
| defm VRINTP : vrint_inst_anpm<"p", 0b10, fceil>; |
| defm VRINTM : vrint_inst_anpm<"m", 0b11, ffloor>; |
| |
| def VSQRTD : ADuI<0b11101, 0b11, 0b0001, 0b11, 0, |
| (outs DPR:$Dd), (ins DPR:$Dm), |
| IIC_fpSQRT64, "vsqrt", ".f64\t$Dd, $Dm", |
| [(set DPR:$Dd, (fsqrt (f64 DPR:$Dm)))]>, |
| Sched<[WriteFPSQRT64]>; |
| |
| def VSQRTS : ASuI<0b11101, 0b11, 0b0001, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpSQRT32, "vsqrt", ".f32\t$Sd, $Sm", |
| [(set SPR:$Sd, (fsqrt SPR:$Sm))]>, |
| Sched<[WriteFPSQRT32]>; |
| |
| def VSQRTH : AHuI<0b11101, 0b11, 0b0001, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpSQRT16, "vsqrt", ".f16\t$Sd, $Sm", |
| []>; |
| |
| let hasSideEffects = 0 in { |
| def VMOVD : ADuI<0b11101, 0b11, 0b0000, 0b01, 0, |
| (outs DPR:$Dd), (ins DPR:$Dm), |
| IIC_fpUNA64, "vmov", ".f64\t$Dd, $Dm", []>; |
| |
| def VMOVS : ASuI<0b11101, 0b11, 0b0000, 0b01, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpUNA32, "vmov", ".f32\t$Sd, $Sm", []>; |
| |
| let PostEncoderMethod = "", DecoderNamespace = "VFPV8" in { |
| def VMOVH : ASuInp<0b11101, 0b11, 0b0000, 0b01, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpUNA16, "vmovx.f16\t$Sd, $Sm", []>, |
| Requires<[HasFullFP16]>; |
| |
| def VINSH : ASuInp<0b11101, 0b11, 0b0000, 0b11, 0, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpUNA16, "vins.f16\t$Sd, $Sm", []>, |
| Requires<[HasFullFP16]>; |
| } // PostEncoderMethod |
| } // hasSideEffects |
| |
| //===----------------------------------------------------------------------===// |
| // FP <-> GPR Copies. Int <-> FP Conversions. |
| // |
| |
| def VMOVRS : AVConv2I<0b11100001, 0b1010, |
| (outs GPR:$Rt), (ins SPR:$Sn), |
| IIC_fpMOVSI, "vmov", "\t$Rt, $Sn", |
| [(set GPR:$Rt, (bitconvert SPR:$Sn))]>, |
| Sched<[WriteFPMOV]> { |
| // Instruction operands. |
| bits<4> Rt; |
| bits<5> Sn; |
| |
| // Encode instruction operands. |
| let Inst{19-16} = Sn{4-1}; |
| let Inst{7} = Sn{0}; |
| let Inst{15-12} = Rt; |
| |
| let Inst{6-5} = 0b00; |
| let Inst{3-0} = 0b0000; |
| |
| // Some single precision VFP instructions may be executed on both NEON and VFP |
| // pipelines. |
| let D = VFPNeonDomain; |
| } |
| |
| // Bitcast i32 -> f32. NEON prefers to use VMOVDRR. |
| def VMOVSR : AVConv4I<0b11100000, 0b1010, |
| (outs SPR:$Sn), (ins GPR:$Rt), |
| IIC_fpMOVIS, "vmov", "\t$Sn, $Rt", |
| [(set SPR:$Sn, (bitconvert GPR:$Rt))]>, |
| Requires<[HasVFP2, UseVMOVSR]>, |
| Sched<[WriteFPMOV]> { |
| // Instruction operands. |
| bits<5> Sn; |
| bits<4> Rt; |
| |
| // Encode instruction operands. |
| let Inst{19-16} = Sn{4-1}; |
| let Inst{7} = Sn{0}; |
| let Inst{15-12} = Rt; |
| |
| let Inst{6-5} = 0b00; |
| let Inst{3-0} = 0b0000; |
| |
| // Some single precision VFP instructions may be executed on both NEON and VFP |
| // pipelines. |
| let D = VFPNeonDomain; |
| } |
| |
| let hasSideEffects = 0 in { |
| def VMOVRRD : AVConv3I<0b11000101, 0b1011, |
| (outs GPR:$Rt, GPR:$Rt2), (ins DPR:$Dm), |
| IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $Dm", |
| [(set GPR:$Rt, GPR:$Rt2, (arm_fmrrd DPR:$Dm))]>, |
| Sched<[WriteFPMOV]> { |
| // Instruction operands. |
| bits<5> Dm; |
| bits<4> Rt; |
| bits<4> Rt2; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Dm{3-0}; |
| let Inst{5} = Dm{4}; |
| let Inst{15-12} = Rt; |
| let Inst{19-16} = Rt2; |
| |
| let Inst{7-6} = 0b00; |
| |
| // Some single precision VFP instructions may be executed on both NEON and VFP |
| // pipelines. |
| let D = VFPNeonDomain; |
| |
| // This instruction is equivalent to |
| // $Rt = EXTRACT_SUBREG $Dm, ssub_0 |
| // $Rt2 = EXTRACT_SUBREG $Dm, ssub_1 |
| let isExtractSubreg = 1; |
| } |
| |
| def VMOVRRS : AVConv3I<0b11000101, 0b1010, |
| (outs GPR:$Rt, GPR:$Rt2), (ins SPR:$src1, SPR:$src2), |
| IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $src1, $src2", |
| [/* For disassembly only; pattern left blank */]>, |
| Sched<[WriteFPMOV]> { |
| bits<5> src1; |
| bits<4> Rt; |
| bits<4> Rt2; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = src1{4-1}; |
| let Inst{5} = src1{0}; |
| let Inst{15-12} = Rt; |
| let Inst{19-16} = Rt2; |
| |
| let Inst{7-6} = 0b00; |
| |
| // Some single precision VFP instructions may be executed on both NEON and VFP |
| // pipelines. |
| let D = VFPNeonDomain; |
| let DecoderMethod = "DecodeVMOVRRS"; |
| } |
| } // hasSideEffects |
| |
| // FMDHR: GPR -> SPR |
| // FMDLR: GPR -> SPR |
| |
| def VMOVDRR : AVConv5I<0b11000100, 0b1011, |
| (outs DPR:$Dm), (ins GPR:$Rt, GPR:$Rt2), |
| IIC_fpMOVID, "vmov", "\t$Dm, $Rt, $Rt2", |
| [(set DPR:$Dm, (arm_fmdrr GPR:$Rt, GPR:$Rt2))]>, |
| Sched<[WriteFPMOV]> { |
| // Instruction operands. |
| bits<5> Dm; |
| bits<4> Rt; |
| bits<4> Rt2; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Dm{3-0}; |
| let Inst{5} = Dm{4}; |
| let Inst{15-12} = Rt; |
| let Inst{19-16} = Rt2; |
| |
| let Inst{7-6} = 0b00; |
| |
| // Some single precision VFP instructions may be executed on both NEON and VFP |
| // pipelines. |
| let D = VFPNeonDomain; |
| |
| // This instruction is equivalent to |
| // $Dm = REG_SEQUENCE $Rt, ssub_0, $Rt2, ssub_1 |
| let isRegSequence = 1; |
| } |
| |
| // Hoist an fabs or a fneg of a value coming from integer registers |
| // and do the fabs/fneg on the integer value. This is never a lose |
| // and could enable the conversion to float to be removed completely. |
| def : Pat<(fabs (arm_fmdrr GPR:$Rl, GPR:$Rh)), |
| (VMOVDRR GPR:$Rl, (BFC GPR:$Rh, (i32 0x7FFFFFFF)))>, |
| Requires<[IsARM, HasV6T2]>; |
| def : Pat<(fabs (arm_fmdrr GPR:$Rl, GPR:$Rh)), |
| (VMOVDRR GPR:$Rl, (t2BFC GPR:$Rh, (i32 0x7FFFFFFF)))>, |
| Requires<[IsThumb2, HasV6T2]>; |
| def : Pat<(fneg (arm_fmdrr GPR:$Rl, GPR:$Rh)), |
| (VMOVDRR GPR:$Rl, (EORri GPR:$Rh, (i32 0x80000000)))>, |
| Requires<[IsARM]>; |
| def : Pat<(fneg (arm_fmdrr GPR:$Rl, GPR:$Rh)), |
| (VMOVDRR GPR:$Rl, (t2EORri GPR:$Rh, (i32 0x80000000)))>, |
| Requires<[IsThumb2]>; |
| |
| let hasSideEffects = 0 in |
| def VMOVSRR : AVConv5I<0b11000100, 0b1010, |
| (outs SPR:$dst1, SPR:$dst2), (ins GPR:$src1, GPR:$src2), |
| IIC_fpMOVID, "vmov", "\t$dst1, $dst2, $src1, $src2", |
| [/* For disassembly only; pattern left blank */]>, |
| Sched<[WriteFPMOV]> { |
| // Instruction operands. |
| bits<5> dst1; |
| bits<4> src1; |
| bits<4> src2; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = dst1{4-1}; |
| let Inst{5} = dst1{0}; |
| let Inst{15-12} = src1; |
| let Inst{19-16} = src2; |
| |
| let Inst{7-6} = 0b00; |
| |
| // Some single precision VFP instructions may be executed on both NEON and VFP |
| // pipelines. |
| let D = VFPNeonDomain; |
| |
| let DecoderMethod = "DecodeVMOVSRR"; |
| } |
| |
| // Move H->R, clearing top 16 bits |
| def VMOVRH : AVConv2I<0b11100001, 0b1001, |
| (outs GPR:$Rt), (ins SPR:$Sn), |
| IIC_fpMOVSI, "vmov", ".f16\t$Rt, $Sn", |
| []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPMOV]> { |
| // Instruction operands. |
| bits<4> Rt; |
| bits<5> Sn; |
| |
| // Encode instruction operands. |
| let Inst{19-16} = Sn{4-1}; |
| let Inst{7} = Sn{0}; |
| let Inst{15-12} = Rt; |
| |
| let Inst{6-5} = 0b00; |
| let Inst{3-0} = 0b0000; |
| } |
| |
| // Move R->H, clearing top 16 bits |
| def VMOVHR : AVConv4I<0b11100000, 0b1001, |
| (outs SPR:$Sn), (ins GPR:$Rt), |
| IIC_fpMOVIS, "vmov", ".f16\t$Sn, $Rt", |
| []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPMOV]> { |
| // Instruction operands. |
| bits<5> Sn; |
| bits<4> Rt; |
| |
| // Encode instruction operands. |
| let Inst{19-16} = Sn{4-1}; |
| let Inst{7} = Sn{0}; |
| let Inst{15-12} = Rt; |
| |
| let Inst{6-5} = 0b00; |
| let Inst{3-0} = 0b0000; |
| } |
| |
| // FMRDH: SPR -> GPR |
| // FMRDL: SPR -> GPR |
| // FMRRS: SPR -> GPR |
| // FMRX: SPR system reg -> GPR |
| // FMSRR: GPR -> SPR |
| // FMXR: GPR -> VFP system reg |
| |
| |
| // Int -> FP: |
| |
| class AVConv1IDs_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, |
| bits<4> opcod4, dag oops, dag iops, |
| InstrItinClass itin, string opc, string asm, |
| list<dag> pattern> |
| : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm, |
| pattern> { |
| // Instruction operands. |
| bits<5> Dd; |
| bits<5> Sm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Sm{4-1}; |
| let Inst{5} = Sm{0}; |
| let Inst{15-12} = Dd{3-0}; |
| let Inst{22} = Dd{4}; |
| |
| let Predicates = [HasVFP2, HasDPVFP]; |
| } |
| |
| class AVConv1InSs_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, |
| bits<4> opcod4, dag oops, dag iops,InstrItinClass itin, |
| string opc, string asm, list<dag> pattern> |
| : AVConv1In<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm, |
| pattern> { |
| // Instruction operands. |
| bits<5> Sd; |
| bits<5> Sm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Sm{4-1}; |
| let Inst{5} = Sm{0}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{22} = Sd{0}; |
| } |
| |
| class AVConv1IHs_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, |
| bits<4> opcod4, dag oops, dag iops, |
| InstrItinClass itin, string opc, string asm, |
| list<dag> pattern> |
| : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm, |
| pattern> { |
| // Instruction operands. |
| bits<5> Sd; |
| bits<5> Sm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Sm{4-1}; |
| let Inst{5} = Sm{0}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{22} = Sd{0}; |
| |
| let Predicates = [HasFullFP16]; |
| } |
| |
| def VSITOD : AVConv1IDs_Encode<0b11101, 0b11, 0b1000, 0b1011, |
| (outs DPR:$Dd), (ins SPR:$Sm), |
| IIC_fpCVTID, "vcvt", ".f64.s32\t$Dd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // s32 |
| } |
| |
| let Predicates=[HasVFP2, HasDPVFP] in { |
| def : VFPPat<(f64 (sint_to_fp GPR:$a)), |
| (VSITOD (COPY_TO_REGCLASS GPR:$a, SPR))>; |
| |
| def : VFPPat<(f64 (sint_to_fp (i32 (alignedload32 addrmode5:$a)))), |
| (VSITOD (VLDRS addrmode5:$a))>; |
| } |
| |
| def VSITOS : AVConv1InSs_Encode<0b11101, 0b11, 0b1000, 0b1010, |
| (outs SPR:$Sd),(ins SPR:$Sm), |
| IIC_fpCVTIS, "vcvt", ".f32.s32\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // s32 |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def : VFPNoNEONPat<(f32 (sint_to_fp GPR:$a)), |
| (VSITOS (COPY_TO_REGCLASS GPR:$a, SPR))>; |
| |
| def : VFPNoNEONPat<(f32 (sint_to_fp (i32 (alignedload32 addrmode5:$a)))), |
| (VSITOS (VLDRS addrmode5:$a))>; |
| |
| def VSITOH : AVConv1IHs_Encode<0b11101, 0b11, 0b1000, 0b1001, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTIH, "vcvt", ".f16.s32\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // s32 |
| } |
| |
| def VUITOD : AVConv1IDs_Encode<0b11101, 0b11, 0b1000, 0b1011, |
| (outs DPR:$Dd), (ins SPR:$Sm), |
| IIC_fpCVTID, "vcvt", ".f64.u32\t$Dd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // u32 |
| } |
| |
| let Predicates=[HasVFP2, HasDPVFP] in { |
| def : VFPPat<(f64 (uint_to_fp GPR:$a)), |
| (VUITOD (COPY_TO_REGCLASS GPR:$a, SPR))>; |
| |
| def : VFPPat<(f64 (uint_to_fp (i32 (alignedload32 addrmode5:$a)))), |
| (VUITOD (VLDRS addrmode5:$a))>; |
| } |
| |
| def VUITOS : AVConv1InSs_Encode<0b11101, 0b11, 0b1000, 0b1010, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTIS, "vcvt", ".f32.u32\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // u32 |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def : VFPNoNEONPat<(f32 (uint_to_fp GPR:$a)), |
| (VUITOS (COPY_TO_REGCLASS GPR:$a, SPR))>; |
| |
| def : VFPNoNEONPat<(f32 (uint_to_fp (i32 (alignedload32 addrmode5:$a)))), |
| (VUITOS (VLDRS addrmode5:$a))>; |
| |
| def VUITOH : AVConv1IHs_Encode<0b11101, 0b11, 0b1000, 0b1001, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTIH, "vcvt", ".f16.u32\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // u32 |
| } |
| |
| // FP -> Int: |
| |
| class AVConv1IsD_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, |
| bits<4> opcod4, dag oops, dag iops, |
| InstrItinClass itin, string opc, string asm, |
| list<dag> pattern> |
| : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm, |
| pattern> { |
| // Instruction operands. |
| bits<5> Sd; |
| bits<5> Dm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Dm{3-0}; |
| let Inst{5} = Dm{4}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{22} = Sd{0}; |
| |
| let Predicates = [HasVFP2, HasDPVFP]; |
| } |
| |
| class AVConv1InsS_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, |
| bits<4> opcod4, dag oops, dag iops, |
| InstrItinClass itin, string opc, string asm, |
| list<dag> pattern> |
| : AVConv1In<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm, |
| pattern> { |
| // Instruction operands. |
| bits<5> Sd; |
| bits<5> Sm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Sm{4-1}; |
| let Inst{5} = Sm{0}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{22} = Sd{0}; |
| } |
| |
| class AVConv1IsH_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3, |
| bits<4> opcod4, dag oops, dag iops, |
| InstrItinClass itin, string opc, string asm, |
| list<dag> pattern> |
| : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm, |
| pattern> { |
| // Instruction operands. |
| bits<5> Sd; |
| bits<5> Sm; |
| |
| // Encode instruction operands. |
| let Inst{3-0} = Sm{4-1}; |
| let Inst{5} = Sm{0}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{22} = Sd{0}; |
| |
| let Predicates = [HasFullFP16]; |
| } |
| |
| // Always set Z bit in the instruction, i.e. "round towards zero" variants. |
| def VTOSIZD : AVConv1IsD_Encode<0b11101, 0b11, 0b1101, 0b1011, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| IIC_fpCVTDI, "vcvt", ".s32.f64\t$Sd, $Dm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // Z bit |
| } |
| |
| let Predicates=[HasVFP2, HasDPVFP] in { |
| def : VFPPat<(i32 (fp_to_sint (f64 DPR:$a))), |
| (COPY_TO_REGCLASS (VTOSIZD DPR:$a), GPR)>; |
| |
| def : VFPPat<(alignedstore32 (i32 (fp_to_sint (f64 DPR:$a))), addrmode5:$ptr), |
| (VSTRS (VTOSIZD DPR:$a), addrmode5:$ptr)>; |
| } |
| |
| def VTOSIZS : AVConv1InsS_Encode<0b11101, 0b11, 0b1101, 0b1010, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTSI, "vcvt", ".s32.f32\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // Z bit |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def : VFPNoNEONPat<(i32 (fp_to_sint SPR:$a)), |
| (COPY_TO_REGCLASS (VTOSIZS SPR:$a), GPR)>; |
| |
| def : VFPNoNEONPat<(alignedstore32 (i32 (fp_to_sint (f32 SPR:$a))), |
| addrmode5:$ptr), |
| (VSTRS (VTOSIZS SPR:$a), addrmode5:$ptr)>; |
| |
| def VTOSIZH : AVConv1IsH_Encode<0b11101, 0b11, 0b1101, 0b1001, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTHI, "vcvt", ".s32.f16\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // Z bit |
| } |
| |
| def VTOUIZD : AVConv1IsD_Encode<0b11101, 0b11, 0b1100, 0b1011, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| IIC_fpCVTDI, "vcvt", ".u32.f64\t$Sd, $Dm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // Z bit |
| } |
| |
| let Predicates=[HasVFP2, HasDPVFP] in { |
| def : VFPPat<(i32 (fp_to_uint (f64 DPR:$a))), |
| (COPY_TO_REGCLASS (VTOUIZD DPR:$a), GPR)>; |
| |
| def : VFPPat<(alignedstore32 (i32 (fp_to_uint (f64 DPR:$a))), addrmode5:$ptr), |
| (VSTRS (VTOUIZD DPR:$a), addrmode5:$ptr)>; |
| } |
| |
| def VTOUIZS : AVConv1InsS_Encode<0b11101, 0b11, 0b1100, 0b1010, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTSI, "vcvt", ".u32.f32\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // Z bit |
| |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def : VFPNoNEONPat<(i32 (fp_to_uint SPR:$a)), |
| (COPY_TO_REGCLASS (VTOUIZS SPR:$a), GPR)>; |
| |
| def : VFPNoNEONPat<(alignedstore32 (i32 (fp_to_uint (f32 SPR:$a))), |
| addrmode5:$ptr), |
| (VSTRS (VTOUIZS SPR:$a), addrmode5:$ptr)>; |
| |
| def VTOUIZH : AVConv1IsH_Encode<0b11101, 0b11, 0b1100, 0b1001, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTHI, "vcvt", ".u32.f16\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 1; // Z bit |
| } |
| |
| // And the Z bit '0' variants, i.e. use the rounding mode specified by FPSCR. |
| let Uses = [FPSCR] in { |
| def VTOSIRD : AVConv1IsD_Encode<0b11101, 0b11, 0b1101, 0b1011, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| IIC_fpCVTDI, "vcvtr", ".s32.f64\t$Sd, $Dm", |
| [(set SPR:$Sd, (int_arm_vcvtr (f64 DPR:$Dm)))]>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // Z bit |
| } |
| |
| def VTOSIRS : AVConv1InsS_Encode<0b11101, 0b11, 0b1101, 0b1010, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTSI, "vcvtr", ".s32.f32\t$Sd, $Sm", |
| [(set SPR:$Sd, (int_arm_vcvtr SPR:$Sm))]>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // Z bit |
| } |
| |
| def VTOSIRH : AVConv1IsH_Encode<0b11101, 0b11, 0b1101, 0b1001, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTHI, "vcvtr", ".s32.f16\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // Z bit |
| } |
| |
| def VTOUIRD : AVConv1IsD_Encode<0b11101, 0b11, 0b1100, 0b1011, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| IIC_fpCVTDI, "vcvtr", ".u32.f64\t$Sd, $Dm", |
| [(set SPR:$Sd, (int_arm_vcvtru(f64 DPR:$Dm)))]>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // Z bit |
| } |
| |
| def VTOUIRS : AVConv1InsS_Encode<0b11101, 0b11, 0b1100, 0b1010, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTSI, "vcvtr", ".u32.f32\t$Sd, $Sm", |
| [(set SPR:$Sd, (int_arm_vcvtru SPR:$Sm))]>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // Z bit |
| } |
| |
| def VTOUIRH : AVConv1IsH_Encode<0b11101, 0b11, 0b1100, 0b1001, |
| (outs SPR:$Sd), (ins SPR:$Sm), |
| IIC_fpCVTHI, "vcvtr", ".u32.f16\t$Sd, $Sm", |
| []>, |
| Sched<[WriteFPCVT]> { |
| let Inst{7} = 0; // Z bit |
| } |
| } |
| |
| // v8.3-a Javascript Convert to Signed fixed-point |
| def VJCVT : AVConv1IsD_Encode<0b11101, 0b11, 0b1001, 0b1011, |
| (outs SPR:$Sd), (ins DPR:$Dm), |
| IIC_fpCVTDI, "vjcvt", ".s32.f64\t$Sd, $Dm", |
| []>, |
| Requires<[HasFPARMv8, HasV8_3a]> { |
| let Inst{7} = 1; // Z bit |
| } |
| |
| // Convert between floating-point and fixed-point |
| // Data type for fixed-point naming convention: |
| // S16 (U=0, sx=0) -> SH |
| // U16 (U=1, sx=0) -> UH |
| // S32 (U=0, sx=1) -> SL |
| // U32 (U=1, sx=1) -> UL |
| |
| let Constraints = "$a = $dst" in { |
| |
| // FP to Fixed-Point: |
| |
| // Single Precision register |
| class AVConv1XInsS_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, |
| bit op5, dag oops, dag iops, InstrItinClass itin, |
| string opc, string asm, list<dag> pattern> |
| : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern> { |
| bits<5> dst; |
| // if dp_operation then UInt(D:Vd) else UInt(Vd:D); |
| let Inst{22} = dst{0}; |
| let Inst{15-12} = dst{4-1}; |
| } |
| |
| // Double Precision register |
| class AVConv1XInsD_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4, |
| bit op5, dag oops, dag iops, InstrItinClass itin, |
| string opc, string asm, list<dag> pattern> |
| : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern> { |
| bits<5> dst; |
| // if dp_operation then UInt(D:Vd) else UInt(Vd:D); |
| let Inst{22} = dst{4}; |
| let Inst{15-12} = dst{3-0}; |
| |
| let Predicates = [HasVFP2, HasDPVFP]; |
| } |
| |
| def VTOSHH : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1001, 0, |
| (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits), |
| IIC_fpCVTHI, "vcvt", ".s16.f16\t$dst, $a, $fbits", []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VTOUHH : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1001, 0, |
| (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits), |
| IIC_fpCVTHI, "vcvt", ".u16.f16\t$dst, $a, $fbits", []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VTOSLH : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1001, 1, |
| (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits), |
| IIC_fpCVTHI, "vcvt", ".s32.f16\t$dst, $a, $fbits", []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VTOULH : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1001, 1, |
| (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits), |
| IIC_fpCVTHI, "vcvt", ".u32.f16\t$dst, $a, $fbits", []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VTOSHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 0, |
| (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits), |
| IIC_fpCVTSI, "vcvt", ".s16.f32\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VTOUHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 0, |
| (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits), |
| IIC_fpCVTSI, "vcvt", ".u16.f32\t$dst, $a, $fbits", []> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VTOSLS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 1, |
| (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits), |
| IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a, $fbits", []> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VTOULS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 1, |
| (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits), |
| IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a, $fbits", []> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VTOSHD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1110, 0b1011, 0, |
| (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits), |
| IIC_fpCVTDI, "vcvt", ".s16.f64\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]>; |
| |
| def VTOUHD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1111, 0b1011, 0, |
| (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits), |
| IIC_fpCVTDI, "vcvt", ".u16.f64\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]>; |
| |
| def VTOSLD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1110, 0b1011, 1, |
| (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits), |
| IIC_fpCVTDI, "vcvt", ".s32.f64\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]>; |
| |
| def VTOULD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1111, 0b1011, 1, |
| (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits), |
| IIC_fpCVTDI, "vcvt", ".u32.f64\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]>; |
| |
| // Fixed-Point to FP: |
| |
| def VSHTOH : AVConv1XInsS_Encode<0b11101, 0b11, 0b1010, 0b1001, 0, |
| (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits), |
| IIC_fpCVTIH, "vcvt", ".f16.s16\t$dst, $a, $fbits", []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VUHTOH : AVConv1XInsS_Encode<0b11101, 0b11, 0b1011, 0b1001, 0, |
| (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits), |
| IIC_fpCVTIH, "vcvt", ".f16.u16\t$dst, $a, $fbits", []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VSLTOH : AVConv1XInsS_Encode<0b11101, 0b11, 0b1010, 0b1001, 1, |
| (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits), |
| IIC_fpCVTIH, "vcvt", ".f16.s32\t$dst, $a, $fbits", []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VULTOH : AVConv1XInsS_Encode<0b11101, 0b11, 0b1011, 0b1001, 1, |
| (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits), |
| IIC_fpCVTIH, "vcvt", ".f16.u32\t$dst, $a, $fbits", []>, |
| Requires<[HasFullFP16]>, |
| Sched<[WriteFPCVT]>; |
| |
| def VSHTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1010, 0b1010, 0, |
| (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits), |
| IIC_fpCVTIS, "vcvt", ".f32.s16\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VUHTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1011, 0b1010, 0, |
| (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits), |
| IIC_fpCVTIS, "vcvt", ".f32.u16\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VSLTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1010, 0b1010, 1, |
| (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits), |
| IIC_fpCVTIS, "vcvt", ".f32.s32\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VULTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1011, 0b1010, 1, |
| (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits), |
| IIC_fpCVTIS, "vcvt", ".f32.u32\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VSHTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1010, 0b1011, 0, |
| (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits), |
| IIC_fpCVTID, "vcvt", ".f64.s16\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]>; |
| |
| def VUHTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1011, 0b1011, 0, |
| (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits), |
| IIC_fpCVTID, "vcvt", ".f64.u16\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]>; |
| |
| def VSLTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1010, 0b1011, 1, |
| (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits), |
| IIC_fpCVTID, "vcvt", ".f64.s32\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]>; |
| |
| def VULTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1011, 0b1011, 1, |
| (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits), |
| IIC_fpCVTID, "vcvt", ".f64.u32\t$dst, $a, $fbits", []>, |
| Sched<[WriteFPCVT]>; |
| |
| } // End of 'let Constraints = "$a = $dst" in' |
| |
| //===----------------------------------------------------------------------===// |
| // FP Multiply-Accumulate Operations. |
| // |
| |
| def VMLAD : ADbI<0b11100, 0b00, 0, 0, |
| (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm), |
| IIC_fpMAC64, "vmla", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm), |
| (f64 DPR:$Ddin)))]>, |
| RegConstraint<"$Ddin = $Dd">, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>, |
| Sched<[WriteFPMAC64, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def VMLAS : ASbIn<0b11100, 0b00, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpMAC32, "vmla", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm), |
| SPR:$Sdin))]>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VMLAH : AHbI<0b11100, 0b00, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpMAC16, "vmla", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasFullFP16,UseFPVMLx,DontUseFusedMAC]>; |
| |
| def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))), |
| (VMLAD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>; |
| def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)), |
| (VMLAS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP2,DontUseNEONForFP, UseFPVMLx,DontUseFusedMAC]>; |
| |
| def VMLSD : ADbI<0b11100, 0b00, 1, 0, |
| (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm), |
| IIC_fpMAC64, "vmls", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fadd_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)), |
| (f64 DPR:$Ddin)))]>, |
| RegConstraint<"$Ddin = $Dd">, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>, |
| Sched<[WriteFPMAC64, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def VMLSS : ASbIn<0b11100, 0b00, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpMAC32, "vmls", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)), |
| SPR:$Sdin))]>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VMLSH : AHbI<0b11100, 0b00, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpMAC16, "vmls", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasFullFP16,UseFPVMLx,DontUseFusedMAC]>; |
| |
| def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))), |
| (VMLSD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>; |
| def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)), |
| (VMLSS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>; |
| |
| def VNMLAD : ADbI<0b11100, 0b01, 1, 0, |
| (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm), |
| IIC_fpMAC64, "vnmla", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd,(fsub_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)), |
| (f64 DPR:$Ddin)))]>, |
| RegConstraint<"$Ddin = $Dd">, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>, |
| Sched<[WriteFPMAC64, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def VNMLAS : ASbI<0b11100, 0b01, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpMAC32, "vnmla", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)), |
| SPR:$Sdin))]>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VNMLAH : AHbI<0b11100, 0b01, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpMAC16, "vnmla", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasFullFP16,UseFPVMLx,DontUseFusedMAC]>; |
| |
| // (-(a * b) - dst) -> -(dst + (a * b)) |
| def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin), |
| (VNMLAD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>; |
| def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin), |
| (VNMLAS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>; |
| |
| // (-dst - (a * b)) -> -(dst + (a * b)) |
| def : Pat<(fsub_mlx (fneg DPR:$dstin), (fmul_su DPR:$a, (f64 DPR:$b))), |
| (VNMLAD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>; |
| def : Pat<(fsub_mlx (fneg SPR:$dstin), (fmul_su SPR:$a, SPR:$b)), |
| (VNMLAS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>; |
| |
| def VNMLSD : ADbI<0b11100, 0b01, 0, 0, |
| (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm), |
| IIC_fpMAC64, "vnmls", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm), |
| (f64 DPR:$Ddin)))]>, |
| RegConstraint<"$Ddin = $Dd">, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>, |
| Sched<[WriteFPMAC64, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def VNMLSS : ASbI<0b11100, 0b01, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpMAC32, "vnmls", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fsub_mlx (fmul_su SPR:$Sn, SPR:$Sm), SPR:$Sdin))]>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines on A8. |
| let D = VFPNeonA8Domain; |
| } |
| |
| def VNMLSH : AHbI<0b11100, 0b01, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpMAC16, "vnmls", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasFullFP16,UseFPVMLx,DontUseFusedMAC]>; |
| |
| def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin), |
| (VNMLSD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP2,HasDPVFP,UseFPVMLx,DontUseFusedMAC]>; |
| def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin), |
| (VNMLSS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Fused FP Multiply-Accumulate Operations. |
| // |
| def VFMAD : ADbI<0b11101, 0b10, 0, 0, |
| (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm), |
| IIC_fpFMAC64, "vfma", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm), |
| (f64 DPR:$Ddin)))]>, |
| RegConstraint<"$Ddin = $Dd">, |
| Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>, |
| Sched<[WriteFPMAC64, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def VFMAS : ASbIn<0b11101, 0b10, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpFMAC32, "vfma", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm), |
| SPR:$Sdin))]>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines. |
| } |
| |
| def VFMAH : AHbI<0b11101, 0b10, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpFMAC16, "vfma", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasFullFP16,UseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))), |
| (VFMAD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>; |
| def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)), |
| (VFMAS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>; |
| |
| // Match @llvm.fma.* intrinsics |
| // (fma x, y, z) -> (vfms z, x, y) |
| def : Pat<(f64 (fma DPR:$Dn, DPR:$Dm, DPR:$Ddin)), |
| (VFMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>, |
| Requires<[HasVFP4,HasDPVFP]>; |
| def : Pat<(f32 (fma SPR:$Sn, SPR:$Sm, SPR:$Sdin)), |
| (VFMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>, |
| Requires<[HasVFP4]>; |
| |
| def VFMSD : ADbI<0b11101, 0b10, 1, 0, |
| (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm), |
| IIC_fpFMAC64, "vfms", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fadd_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)), |
| (f64 DPR:$Ddin)))]>, |
| RegConstraint<"$Ddin = $Dd">, |
| Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>, |
| Sched<[WriteFPMAC64, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def VFMSS : ASbIn<0b11101, 0b10, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpFMAC32, "vfms", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)), |
| SPR:$Sdin))]>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines. |
| } |
| |
| def VFMSH : AHbI<0b11101, 0b10, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpFMAC16, "vfms", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasFullFP16,UseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))), |
| (VFMSD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>; |
| def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)), |
| (VFMSS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>; |
| |
| // Match @llvm.fma.* intrinsics |
| // (fma (fneg x), y, z) -> (vfms z, x, y) |
| def : Pat<(f64 (fma (fneg DPR:$Dn), DPR:$Dm, DPR:$Ddin)), |
| (VFMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>, |
| Requires<[HasVFP4,HasDPVFP]>; |
| def : Pat<(f32 (fma (fneg SPR:$Sn), SPR:$Sm, SPR:$Sdin)), |
| (VFMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>, |
| Requires<[HasVFP4]>; |
| // (fma x, (fneg y), z) -> (vfms z, x, y) |
| def : Pat<(f64 (fma DPR:$Dn, (fneg DPR:$Dm), DPR:$Ddin)), |
| (VFMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>, |
| Requires<[HasVFP4,HasDPVFP]>; |
| def : Pat<(f32 (fma SPR:$Sn, (fneg SPR:$Sm), SPR:$Sdin)), |
| (VFMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>, |
| Requires<[HasVFP4]>; |
| |
| def VFNMAD : ADbI<0b11101, 0b01, 1, 0, |
| (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm), |
| IIC_fpFMAC64, "vfnma", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd,(fsub_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)), |
| (f64 DPR:$Ddin)))]>, |
| RegConstraint<"$Ddin = $Dd">, |
| Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>, |
| Sched<[WriteFPMAC64, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def VFNMAS : ASbI<0b11101, 0b01, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpFMAC32, "vfnma", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)), |
| SPR:$Sdin))]>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines. |
| } |
| |
| def VFNMAH : AHbI<0b11101, 0b01, 1, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpFMAC16, "vfnma", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasFullFP16,UseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin), |
| (VFNMAD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>; |
| def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin), |
| (VFNMAS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>; |
| |
| // Match @llvm.fma.* intrinsics |
| // (fneg (fma x, y, z)) -> (vfnma z, x, y) |
| def : Pat<(fneg (fma (f64 DPR:$Dn), (f64 DPR:$Dm), (f64 DPR:$Ddin))), |
| (VFNMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>, |
| Requires<[HasVFP4,HasDPVFP]>; |
| def : Pat<(fneg (fma (f32 SPR:$Sn), (f32 SPR:$Sm), (f32 SPR:$Sdin))), |
| (VFNMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>, |
| Requires<[HasVFP4]>; |
| // (fma (fneg x), y, (fneg z)) -> (vfnma z, x, y) |
| def : Pat<(f64 (fma (fneg DPR:$Dn), DPR:$Dm, (fneg DPR:$Ddin))), |
| (VFNMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>, |
| Requires<[HasVFP4,HasDPVFP]>; |
| def : Pat<(f32 (fma (fneg SPR:$Sn), SPR:$Sm, (fneg SPR:$Sdin))), |
| (VFNMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>, |
| Requires<[HasVFP4]>; |
| |
| def VFNMSD : ADbI<0b11101, 0b01, 0, 0, |
| (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm), |
| IIC_fpFMAC64, "vfnms", ".f64\t$Dd, $Dn, $Dm", |
| [(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm), |
| (f64 DPR:$Ddin)))]>, |
| RegConstraint<"$Ddin = $Dd">, |
| Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>, |
| Sched<[WriteFPMAC64, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def VFNMSS : ASbI<0b11101, 0b01, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpFMAC32, "vfnms", ".f32\t$Sd, $Sn, $Sm", |
| [(set SPR:$Sd, (fsub_mlx (fmul_su SPR:$Sn, SPR:$Sm), SPR:$Sdin))]>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]> { |
| // Some single precision VFP instructions may be executed on both NEON and |
| // VFP pipelines. |
| } |
| |
| def VFNMSH : AHbI<0b11101, 0b01, 0, 0, |
| (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm), |
| IIC_fpFMAC16, "vfnms", ".f16\t$Sd, $Sn, $Sm", |
| []>, |
| RegConstraint<"$Sdin = $Sd">, |
| Requires<[HasFullFP16,UseFusedMAC]>, |
| Sched<[WriteFPMAC32, ReadFPMAC, ReadFPMUL, ReadFPMUL]>; |
| |
| def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin), |
| (VFNMSD DPR:$dstin, DPR:$a, DPR:$b)>, |
| Requires<[HasVFP4,HasDPVFP,UseFusedMAC]>; |
| def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin), |
| (VFNMSS SPR:$dstin, SPR:$a, SPR:$b)>, |
| Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>; |
| |
| // Match @llvm.fma.* intrinsics |
| |
| // (fma x, y, (fneg z)) -> (vfnms z, x, y)) |
| def : Pat<(f64 (fma DPR:$Dn, DPR:$Dm, (fneg DPR:$Ddin))), |
| (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>, |
| Requires<[HasVFP4,HasDPVFP]>; |
| def : Pat<(f32 (fma SPR:$Sn, SPR:$Sm, (fneg SPR:$Sdin))), |
| (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>, |
| Requires<[HasVFP4]>; |
| // (fneg (fma (fneg x), y, z)) -> (vfnms z, x, y) |
| def : Pat<(fneg (f64 (fma (fneg DPR:$Dn), DPR:$Dm, DPR:$Ddin))), |
| (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>, |
| Requires<[HasVFP4,HasDPVFP]>; |
| def : Pat<(fneg (f32 (fma (fneg SPR:$Sn), SPR:$Sm, SPR:$Sdin))), |
| (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>, |
| Requires<[HasVFP4]>; |
| // (fneg (fma x, (fneg y), z) -> (vfnms z, x, y) |
| def : Pat<(fneg (f64 (fma DPR:$Dn, (fneg DPR:$Dm), DPR:$Ddin))), |
| (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>, |
| Requires<[HasVFP4,HasDPVFP]>; |
| def : Pat<(fneg (f32 (fma SPR:$Sn, (fneg SPR:$Sm), SPR:$Sdin))), |
| (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>, |
| Requires<[HasVFP4]>; |
| |
| //===----------------------------------------------------------------------===// |
| // FP Conditional moves. |
| // |
| |
| let hasSideEffects = 0 in { |
| def VMOVDcc : PseudoInst<(outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm, cmovpred:$p), |
| IIC_fpUNA64, |
| [(set (f64 DPR:$Dd), |
| (ARMcmov DPR:$Dn, DPR:$Dm, cmovpred:$p))]>, |
| RegConstraint<"$Dn = $Dd">, Requires<[HasVFP2,HasDPVFP]>; |
| |
| def VMOVScc : PseudoInst<(outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm, cmovpred:$p), |
| IIC_fpUNA32, |
| [(set (f32 SPR:$Sd), |
| (ARMcmov SPR:$Sn, SPR:$Sm, cmovpred:$p))]>, |
| RegConstraint<"$Sn = $Sd">, Requires<[HasVFP2]>; |
| } // hasSideEffects |
| |
| //===----------------------------------------------------------------------===// |
| // Move from VFP System Register to ARM core register. |
| // |
| |
| class MovFromVFP<bits<4> opc19_16, dag oops, dag iops, string opc, string asm, |
| list<dag> pattern>: |
| VFPAI<oops, iops, VFPMiscFrm, IIC_fpSTAT, opc, asm, pattern> { |
| |
| // Instruction operand. |
| bits<4> Rt; |
| |
| let Inst{27-20} = 0b11101111; |
| let Inst{19-16} = opc19_16; |
| let Inst{15-12} = Rt; |
| let Inst{11-8} = 0b1010; |
| let Inst{7} = 0; |
| let Inst{6-5} = 0b00; |
| let Inst{4} = 1; |
| let Inst{3-0} = 0b0000; |
| } |
| |
| // APSR is the application level alias of CPSR. This FPSCR N, Z, C, V flags |
| // to APSR. |
| let Defs = [CPSR], Uses = [FPSCR_NZCV], Rt = 0b1111 /* apsr_nzcv */ in |
| def FMSTAT : MovFromVFP<0b0001 /* fpscr */, (outs), (ins), |
| "vmrs", "\tAPSR_nzcv, fpscr", [(arm_fmstat)]>; |
| |
| let DecoderMethod = "DecodeForVMRSandVMSR" in { |
| // Application level FPSCR -> GPR |
| let hasSideEffects = 1, Uses = [FPSCR] in |
| def VMRS : MovFromVFP<0b0001 /* fpscr */, (outs GPRnopc:$Rt), (ins), |
| "vmrs", "\t$Rt, fpscr", |
| [(set GPRnopc:$Rt, (int_arm_get_fpscr))]>; |
| |
| // System level FPEXC, FPSID -> GPR |
| let Uses = [FPSCR] in { |
| def VMRS_FPEXC : MovFromVFP<0b1000 /* fpexc */, (outs GPRnopc:$Rt), (ins), |
| "vmrs", "\t$Rt, fpexc", []>; |
| def VMRS_FPSID : MovFromVFP<0b0000 /* fpsid */, (outs GPRnopc:$Rt), (ins), |
| "vmrs", "\t$Rt, fpsid", []>; |
| def VMRS_MVFR0 : MovFromVFP<0b0111 /* mvfr0 */, (outs GPRnopc:$Rt), (ins), |
| "vmrs", "\t$Rt, mvfr0", []>; |
| def VMRS_MVFR1 : MovFromVFP<0b0110 /* mvfr1 */, (outs GPRnopc:$Rt), (ins), |
| "vmrs", "\t$Rt, mvfr1", []>; |
| let Predicates = [HasFPARMv8] in { |
| def VMRS_MVFR2 : MovFromVFP<0b0101 /* mvfr2 */, (outs GPRnopc:$Rt), (ins), |
| "vmrs", "\t$Rt, mvfr2", []>; |
| } |
| def VMRS_FPINST : MovFromVFP<0b1001 /* fpinst */, (outs GPRnopc:$Rt), (ins), |
| "vmrs", "\t$Rt, fpinst", []>; |
| def VMRS_FPINST2 : MovFromVFP<0b1010 /* fpinst2 */, (outs GPRnopc:$Rt), |
| (ins), "vmrs", "\t$Rt, fpinst2", []>; |
| } |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Move from ARM core register to VFP System Register. |
| // |
| |
| class MovToVFP<bits<4> opc19_16, dag oops, dag iops, string opc, string asm, |
| list<dag> pattern>: |
| VFPAI<oops, iops, VFPMiscFrm, IIC_fpSTAT, opc, asm, pattern> { |
| |
| // Instruction operand. |
| bits<4> src; |
| |
| // Encode instruction operand. |
| let Inst{15-12} = src; |
| |
| let Inst{27-20} = 0b11101110; |
| let Inst{19-16} = opc19_16; |
| let Inst{11-8} = 0b1010; |
| let Inst{7} = 0; |
| let Inst{4} = 1; |
| } |
| |
| let DecoderMethod = "DecodeForVMRSandVMSR" in { |
| let Defs = [FPSCR] in { |
| // Application level GPR -> FPSCR |
| def VMSR : MovToVFP<0b0001 /* fpscr */, (outs), (ins GPRnopc:$src), |
| "vmsr", "\tfpscr, $src", |
| [(int_arm_set_fpscr GPRnopc:$src)]>; |
| // System level GPR -> FPEXC |
| def VMSR_FPEXC : MovToVFP<0b1000 /* fpexc */, (outs), (ins GPRnopc:$src), |
| "vmsr", "\tfpexc, $src", []>; |
| // System level GPR -> FPSID |
| def VMSR_FPSID : MovToVFP<0b0000 /* fpsid */, (outs), (ins GPRnopc:$src), |
| "vmsr", "\tfpsid, $src", []>; |
| def VMSR_FPINST : MovToVFP<0b1001 /* fpinst */, (outs), (ins GPRnopc:$src), |
| "vmsr", "\tfpinst, $src", []>; |
| def VMSR_FPINST2 : MovToVFP<0b1010 /* fpinst2 */, (outs), (ins GPRnopc:$src), |
| "vmsr", "\tfpinst2, $src", []>; |
| } |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Misc. |
| // |
| |
| // Materialize FP immediates. VFP3 only. |
| let isReMaterializable = 1 in { |
| def FCONSTD : VFPAI<(outs DPR:$Dd), (ins vfp_f64imm:$imm), |
| VFPMiscFrm, IIC_fpUNA64, |
| "vmov", ".f64\t$Dd, $imm", |
| [(set DPR:$Dd, vfp_f64imm:$imm)]>, |
| Requires<[HasVFP3,HasDPVFP]> { |
| bits<5> Dd; |
| bits<8> imm; |
| |
| let Inst{27-23} = 0b11101; |
| let Inst{22} = Dd{4}; |
| let Inst{21-20} = 0b11; |
| let Inst{19-16} = imm{7-4}; |
| let Inst{15-12} = Dd{3-0}; |
| let Inst{11-9} = 0b101; |
| let Inst{8} = 1; // Double precision. |
| let Inst{7-4} = 0b0000; |
| let Inst{3-0} = imm{3-0}; |
| } |
| |
| def FCONSTS : VFPAI<(outs SPR:$Sd), (ins vfp_f32imm:$imm), |
| VFPMiscFrm, IIC_fpUNA32, |
| "vmov", ".f32\t$Sd, $imm", |
| [(set SPR:$Sd, vfp_f32imm:$imm)]>, Requires<[HasVFP3]> { |
| bits<5> Sd; |
| bits<8> imm; |
| |
| let Inst{27-23} = 0b11101; |
| let Inst{22} = Sd{0}; |
| let Inst{21-20} = 0b11; |
| let Inst{19-16} = imm{7-4}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{11-9} = 0b101; |
| let Inst{8} = 0; // Single precision. |
| let Inst{7-4} = 0b0000; |
| let Inst{3-0} = imm{3-0}; |
| } |
| |
| def FCONSTH : VFPAI<(outs SPR:$Sd), (ins vfp_f16imm:$imm), |
| VFPMiscFrm, IIC_fpUNA16, |
| "vmov", ".f16\t$Sd, $imm", |
| []>, Requires<[HasFullFP16]> { |
| bits<5> Sd; |
| bits<8> imm; |
| |
| let Inst{27-23} = 0b11101; |
| let Inst{22} = Sd{0}; |
| let Inst{21-20} = 0b11; |
| let Inst{19-16} = imm{7-4}; |
| let Inst{15-12} = Sd{4-1}; |
| let Inst{11-8} = 0b1001; // Half precision |
| let Inst{7-4} = 0b0000; |
| let Inst{3-0} = imm{3-0}; |
| } |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Assembler aliases. |
| // |
| // A few mnemonic aliases for pre-unifixed syntax. We don't guarantee to |
| // support them all, but supporting at least some of the basics is |
| // good to be friendly. |
| def : VFP2MnemonicAlias<"flds", "vldr">; |
| def : VFP2MnemonicAlias<"fldd", "vldr">; |
| def : VFP2MnemonicAlias<"fmrs", "vmov">; |
| def : VFP2MnemonicAlias<"fmsr", "vmov">; |
| def : VFP2MnemonicAlias<"fsqrts", "vsqrt">; |
| def : VFP2MnemonicAlias<"fsqrtd", "vsqrt">; |
| def : VFP2MnemonicAlias<"fadds", "vadd.f32">; |
| def : VFP2MnemonicAlias<"faddd", "vadd.f64">; |
| def : VFP2MnemonicAlias<"fmrdd", "vmov">; |
| def : VFP2MnemonicAlias<"fmrds", "vmov">; |
| def : VFP2MnemonicAlias<"fmrrd", "vmov">; |
| def : VFP2MnemonicAlias<"fmdrr", "vmov">; |
| def : VFP2MnemonicAlias<"fmuls", "vmul.f32">; |
| def : VFP2MnemonicAlias<"fmuld", "vmul.f64">; |
| def : VFP2MnemonicAlias<"fnegs", "vneg.f32">; |
| def : VFP2MnemonicAlias<"fnegd", "vneg.f64">; |
| def : VFP2MnemonicAlias<"ftosizd", "vcvt.s32.f64">; |
| def : VFP2MnemonicAlias<"ftosid", "vcvtr.s32.f64">; |
| def : VFP2MnemonicAlias<"ftosizs", "vcvt.s32.f32">; |
| def : VFP2MnemonicAlias<"ftosis", "vcvtr.s32.f32">; |
| def : VFP2MnemonicAlias<"ftouizd", "vcvt.u32.f64">; |
| def : VFP2MnemonicAlias<"ftouid", "vcvtr.u32.f64">; |
| def : VFP2MnemonicAlias<"ftouizs", "vcvt.u32.f32">; |
| def : VFP2MnemonicAlias<"ftouis", "vcvtr.u32.f32">; |
| def : VFP2MnemonicAlias<"fsitod", "vcvt.f64.s32">; |
| def : VFP2MnemonicAlias<"fsitos", "vcvt.f32.s32">; |
| def : VFP2MnemonicAlias<"fuitod", "vcvt.f64.u32">; |
| def : VFP2MnemonicAlias<"fuitos", "vcvt.f32.u32">; |
| def : VFP2MnemonicAlias<"fsts", "vstr">; |
| def : VFP2MnemonicAlias<"fstd", "vstr">; |
| def : VFP2MnemonicAlias<"fmacd", "vmla.f64">; |
| def : VFP2MnemonicAlias<"fmacs", "vmla.f32">; |
| def : VFP2MnemonicAlias<"fcpys", "vmov.f32">; |
| def : VFP2MnemonicAlias<"fcpyd", "vmov.f64">; |
| def : VFP2MnemonicAlias<"fcmps", "vcmp.f32">; |
| def : VFP2MnemonicAlias<"fcmpd", "vcmp.f64">; |
| def : VFP2MnemonicAlias<"fdivs", "vdiv.f32">; |
| def : VFP2MnemonicAlias<"fdivd", "vdiv.f64">; |
| def : VFP2MnemonicAlias<"fmrx", "vmrs">; |
| def : VFP2MnemonicAlias<"fmxr", "vmsr">; |
| |
| // Be friendly and accept the old form of zero-compare |
| def : VFP2DPInstAlias<"fcmpzd${p} $val", (VCMPZD DPR:$val, pred:$p)>; |
| def : VFP2InstAlias<"fcmpzs${p} $val", (VCMPZS SPR:$val, pred:$p)>; |
| |
| |
| def : VFP2InstAlias<"fmstat${p}", (FMSTAT pred:$p)>; |
| def : VFP2InstAlias<"fadds${p} $Sd, $Sn, $Sm", |
| (VADDS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>; |
| def : VFP2DPInstAlias<"faddd${p} $Dd, $Dn, $Dm", |
| (VADDD DPR:$Dd, DPR:$Dn, DPR:$Dm, pred:$p)>; |
| def : VFP2InstAlias<"fsubs${p} $Sd, $Sn, $Sm", |
| (VSUBS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>; |
| def : VFP2DPInstAlias<"fsubd${p} $Dd, $Dn, $Dm", |
| (VSUBD DPR:$Dd, DPR:$Dn, DPR:$Dm, pred:$p)>; |
| |
| // No need for the size suffix on VSQRT. It's implied by the register classes. |
| def : VFP2InstAlias<"vsqrt${p} $Sd, $Sm", (VSQRTS SPR:$Sd, SPR:$Sm, pred:$p)>; |
| def : VFP2DPInstAlias<"vsqrt${p} $Dd, $Dm", (VSQRTD DPR:$Dd, DPR:$Dm, pred:$p)>; |
| |
| // VLDR/VSTR accept an optional type suffix. |
| def : VFP2InstAlias<"vldr${p}.32 $Sd, $addr", |
| (VLDRS SPR:$Sd, addrmode5:$addr, pred:$p)>; |
| def : VFP2InstAlias<"vstr${p}.32 $Sd, $addr", |
| (VSTRS SPR:$Sd, addrmode5:$addr, pred:$p)>; |
| def : VFP2InstAlias<"vldr${p}.64 $Dd, $addr", |
| (VLDRD DPR:$Dd, addrmode5:$addr, pred:$p)>; |
| def : VFP2InstAlias<"vstr${p}.64 $Dd, $addr", |
| (VSTRD DPR:$Dd, addrmode5:$addr, pred:$p)>; |
| |
| // VMOV can accept optional 32-bit or less data type suffix suffix. |
| def : VFP2InstAlias<"vmov${p}.8 $Rt, $Sn", |
| (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>; |
| def : VFP2InstAlias<"vmov${p}.16 $Rt, $Sn", |
| (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>; |
| def : VFP2InstAlias<"vmov${p}.32 $Rt, $Sn", |
| (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>; |
| def : VFP2InstAlias<"vmov${p}.8 $Sn, $Rt", |
| (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>; |
| def : VFP2InstAlias<"vmov${p}.16 $Sn, $Rt", |
| (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>; |
| def : VFP2InstAlias<"vmov${p}.32 $Sn, $Rt", |
| (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>; |
| |
| def : VFP2InstAlias<"vmov${p}.f64 $Rt, $Rt2, $Dn", |
| (VMOVRRD GPR:$Rt, GPR:$Rt2, DPR:$Dn, pred:$p)>; |
| def : VFP2InstAlias<"vmov${p}.f64 $Dn, $Rt, $Rt2", |
| (VMOVDRR DPR:$Dn, GPR:$Rt, GPR:$Rt2, pred:$p)>; |
| |
| // VMOVS doesn't need the .f32 to disambiguate from the NEON encoding the way |
| // VMOVD does. |
| def : VFP2InstAlias<"vmov${p} $Sd, $Sm", |
| (VMOVS SPR:$Sd, SPR:$Sm, pred:$p)>; |
| |
| // FCONSTD/FCONSTS alias for vmov.f64/vmov.f32 |
| // These aliases provide added functionality over vmov.f instructions by |
| // allowing users to write assembly containing encoded floating point constants |
| // (e.g. #0x70 vs #1.0). Without these alises there is no way for the |
| // assembler to accept encoded fp constants (but the equivalent fp-literal is |
| // accepted directly by vmovf). |
| def : VFP3InstAlias<"fconstd${p} $Dd, $val", |
| (FCONSTD DPR:$Dd, vfp_f64imm:$val, pred:$p)>; |
| def : VFP3InstAlias<"fconsts${p} $Sd, $val", |
| (FCONSTS SPR:$Sd, vfp_f32imm:$val, pred:$p)>; |
