| //===-- AMDGPUInstPrinter.cpp - AMDGPU MC Inst -> ASM ---------------------===// |
| // |
| // 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 |
| // |
| // \file |
| //===----------------------------------------------------------------------===// |
| |
| #include "AMDGPUInstPrinter.h" |
| #include "MCTargetDesc/AMDGPUMCTargetDesc.h" |
| #include "SIDefines.h" |
| #include "Utils/AMDGPUAsmUtils.h" |
| #include "Utils/AMDGPUBaseInfo.h" |
| #include "llvm/MC/MCExpr.h" |
| #include "llvm/MC/MCInst.h" |
| #include "llvm/MC/MCInstrDesc.h" |
| #include "llvm/MC/MCInstrInfo.h" |
| #include "llvm/MC/MCRegisterInfo.h" |
| #include "llvm/MC/MCSubtargetInfo.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Support/MathExtras.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <cassert> |
| |
| using namespace llvm; |
| using namespace llvm::AMDGPU; |
| |
| void AMDGPUInstPrinter::printInst(const MCInst *MI, raw_ostream &OS, |
| StringRef Annot, const MCSubtargetInfo &STI) { |
| OS.flush(); |
| printInstruction(MI, STI, OS); |
| printAnnotation(OS, Annot); |
| } |
| |
| void AMDGPUInstPrinter::printU4ImmOperand(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| O << formatHex(MI->getOperand(OpNo).getImm() & 0xf); |
| } |
| |
| void AMDGPUInstPrinter::printU8ImmOperand(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| O << formatHex(MI->getOperand(OpNo).getImm() & 0xff); |
| } |
| |
| void AMDGPUInstPrinter::printU16ImmOperand(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| // It's possible to end up with a 32-bit literal used with a 16-bit operand |
| // with ignored high bits. Print as 32-bit anyway in that case. |
| int64_t Imm = MI->getOperand(OpNo).getImm(); |
| if (isInt<16>(Imm) || isUInt<16>(Imm)) |
| O << formatHex(static_cast<uint64_t>(Imm & 0xffff)); |
| else |
| printU32ImmOperand(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printU4ImmDecOperand(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| O << formatDec(MI->getOperand(OpNo).getImm() & 0xf); |
| } |
| |
| void AMDGPUInstPrinter::printU8ImmDecOperand(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| O << formatDec(MI->getOperand(OpNo).getImm() & 0xff); |
| } |
| |
| void AMDGPUInstPrinter::printU16ImmDecOperand(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| O << formatDec(MI->getOperand(OpNo).getImm() & 0xffff); |
| } |
| |
| void AMDGPUInstPrinter::printS13ImmDecOperand(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| O << formatDec(SignExtend32<13>(MI->getOperand(OpNo).getImm())); |
| } |
| |
| void AMDGPUInstPrinter::printU32ImmOperand(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| O << formatHex(MI->getOperand(OpNo).getImm() & 0xffffffff); |
| } |
| |
| void AMDGPUInstPrinter::printNamedBit(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O, StringRef BitName) { |
| if (MI->getOperand(OpNo).getImm()) { |
| O << ' ' << BitName; |
| } |
| } |
| |
| void AMDGPUInstPrinter::printOffen(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "offen"); |
| } |
| |
| void AMDGPUInstPrinter::printIdxen(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "idxen"); |
| } |
| |
| void AMDGPUInstPrinter::printAddr64(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "addr64"); |
| } |
| |
| void AMDGPUInstPrinter::printMBUFOffset(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| if (MI->getOperand(OpNo).getImm()) { |
| O << " offset:"; |
| printU16ImmDecOperand(MI, OpNo, O); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printOffset(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| uint16_t Imm = MI->getOperand(OpNo).getImm(); |
| if (Imm != 0) { |
| O << ((OpNo == 0)? "offset:" : " offset:"); |
| printU16ImmDecOperand(MI, OpNo, O); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printOffsetS13(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| uint16_t Imm = MI->getOperand(OpNo).getImm(); |
| if (Imm != 0) { |
| O << ((OpNo == 0)? "offset:" : " offset:"); |
| printS13ImmDecOperand(MI, OpNo, O); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printOffset0(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| if (MI->getOperand(OpNo).getImm()) { |
| O << " offset0:"; |
| printU8ImmDecOperand(MI, OpNo, O); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printOffset1(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| if (MI->getOperand(OpNo).getImm()) { |
| O << " offset1:"; |
| printU8ImmDecOperand(MI, OpNo, O); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printSMRDOffset8(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printU32ImmOperand(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printSMRDOffset20(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printU32ImmOperand(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printSMRDLiteralOffset(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printU32ImmOperand(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printGDS(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "gds"); |
| } |
| |
| void AMDGPUInstPrinter::printGLC(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "glc"); |
| } |
| |
| void AMDGPUInstPrinter::printSLC(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "slc"); |
| } |
| |
| void AMDGPUInstPrinter::printTFE(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "tfe"); |
| } |
| |
| void AMDGPUInstPrinter::printDMask(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| if (MI->getOperand(OpNo).getImm()) { |
| O << " dmask:"; |
| printU16ImmOperand(MI, OpNo, STI, O); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printUNorm(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "unorm"); |
| } |
| |
| void AMDGPUInstPrinter::printDA(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "da"); |
| } |
| |
| void AMDGPUInstPrinter::printR128A16(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| if (STI.hasFeature(AMDGPU::FeatureR128A16)) |
| printNamedBit(MI, OpNo, O, "a16"); |
| else |
| printNamedBit(MI, OpNo, O, "r128"); |
| } |
| |
| void AMDGPUInstPrinter::printLWE(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "lwe"); |
| } |
| |
| void AMDGPUInstPrinter::printD16(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| printNamedBit(MI, OpNo, O, "d16"); |
| } |
| |
| void AMDGPUInstPrinter::printExpCompr(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| if (MI->getOperand(OpNo).getImm()) |
| O << " compr"; |
| } |
| |
| void AMDGPUInstPrinter::printExpVM(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| if (MI->getOperand(OpNo).getImm()) |
| O << " vm"; |
| } |
| |
| void AMDGPUInstPrinter::printFORMAT(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| if (unsigned Val = MI->getOperand(OpNo).getImm()) { |
| O << " dfmt:" << (Val & 15); |
| O << ", nfmt:" << (Val >> 4); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printRegOperand(unsigned RegNo, raw_ostream &O, |
| const MCRegisterInfo &MRI) { |
| switch (RegNo) { |
| case AMDGPU::VCC: |
| O << "vcc"; |
| return; |
| case AMDGPU::SCC: |
| O << "scc"; |
| return; |
| case AMDGPU::EXEC: |
| O << "exec"; |
| return; |
| case AMDGPU::M0: |
| O << "m0"; |
| return; |
| case AMDGPU::FLAT_SCR: |
| O << "flat_scratch"; |
| return; |
| case AMDGPU::XNACK_MASK: |
| O << "xnack_mask"; |
| return; |
| case AMDGPU::LDS_DIRECT: |
| O << "src_lds_direct"; |
| return; |
| case AMDGPU::VCC_LO: |
| O << "vcc_lo"; |
| return; |
| case AMDGPU::VCC_HI: |
| O << "vcc_hi"; |
| return; |
| case AMDGPU::TBA_LO: |
| O << "tba_lo"; |
| return; |
| case AMDGPU::TBA_HI: |
| O << "tba_hi"; |
| return; |
| case AMDGPU::TMA_LO: |
| O << "tma_lo"; |
| return; |
| case AMDGPU::TMA_HI: |
| O << "tma_hi"; |
| return; |
| case AMDGPU::EXEC_LO: |
| O << "exec_lo"; |
| return; |
| case AMDGPU::EXEC_HI: |
| O << "exec_hi"; |
| return; |
| case AMDGPU::FLAT_SCR_LO: |
| O << "flat_scratch_lo"; |
| return; |
| case AMDGPU::FLAT_SCR_HI: |
| O << "flat_scratch_hi"; |
| return; |
| case AMDGPU::XNACK_MASK_LO: |
| O << "xnack_mask_lo"; |
| return; |
| case AMDGPU::XNACK_MASK_HI: |
| O << "xnack_mask_hi"; |
| return; |
| case AMDGPU::FP_REG: |
| case AMDGPU::SP_REG: |
| case AMDGPU::SCRATCH_WAVE_OFFSET_REG: |
| case AMDGPU::PRIVATE_RSRC_REG: |
| llvm_unreachable("pseudo-register should not ever be emitted"); |
| default: |
| break; |
| } |
| |
| // The low 8 bits of the encoding value is the register index, for both VGPRs |
| // and SGPRs. |
| unsigned RegIdx = MRI.getEncodingValue(RegNo) & ((1 << 8) - 1); |
| |
| unsigned NumRegs; |
| if (MRI.getRegClass(AMDGPU::VGPR_32RegClassID).contains(RegNo)) { |
| O << 'v'; |
| NumRegs = 1; |
| } else if (MRI.getRegClass(AMDGPU::SGPR_32RegClassID).contains(RegNo)) { |
| O << 's'; |
| NumRegs = 1; |
| } else if (MRI.getRegClass(AMDGPU::VReg_64RegClassID).contains(RegNo)) { |
| O <<'v'; |
| NumRegs = 2; |
| } else if (MRI.getRegClass(AMDGPU::SGPR_64RegClassID).contains(RegNo)) { |
| O << 's'; |
| NumRegs = 2; |
| } else if (MRI.getRegClass(AMDGPU::VReg_128RegClassID).contains(RegNo)) { |
| O << 'v'; |
| NumRegs = 4; |
| } else if (MRI.getRegClass(AMDGPU::SGPR_128RegClassID).contains(RegNo)) { |
| O << 's'; |
| NumRegs = 4; |
| } else if (MRI.getRegClass(AMDGPU::VReg_96RegClassID).contains(RegNo)) { |
| O << 'v'; |
| NumRegs = 3; |
| } else if (MRI.getRegClass(AMDGPU::VReg_256RegClassID).contains(RegNo)) { |
| O << 'v'; |
| NumRegs = 8; |
| } else if (MRI.getRegClass(AMDGPU::SGPR_256RegClassID).contains(RegNo)) { |
| O << 's'; |
| NumRegs = 8; |
| } else if (MRI.getRegClass(AMDGPU::VReg_512RegClassID).contains(RegNo)) { |
| O << 'v'; |
| NumRegs = 16; |
| } else if (MRI.getRegClass(AMDGPU::SGPR_512RegClassID).contains(RegNo)) { |
| O << 's'; |
| NumRegs = 16; |
| } else { |
| O << getRegisterName(RegNo); |
| return; |
| } |
| |
| if (NumRegs == 1) { |
| O << RegIdx; |
| return; |
| } |
| |
| O << '[' << RegIdx << ':' << (RegIdx + NumRegs - 1) << ']'; |
| } |
| |
| void AMDGPUInstPrinter::printVOPDst(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::VOP3) |
| O << "_e64 "; |
| else if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::DPP) |
| O << "_dpp "; |
| else if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::SDWA) |
| O << "_sdwa "; |
| else |
| O << "_e32 "; |
| |
| printOperand(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printVINTRPDst(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| if (AMDGPU::isSI(STI) || AMDGPU::isCI(STI)) |
| O << " "; |
| else |
| O << "_e32 "; |
| |
| printOperand(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printImmediate16(uint32_t Imm, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| int16_t SImm = static_cast<int16_t>(Imm); |
| if (SImm >= -16 && SImm <= 64) { |
| O << SImm; |
| return; |
| } |
| |
| if (Imm == 0x3C00) |
| O<< "1.0"; |
| else if (Imm == 0xBC00) |
| O<< "-1.0"; |
| else if (Imm == 0x3800) |
| O<< "0.5"; |
| else if (Imm == 0xB800) |
| O<< "-0.5"; |
| else if (Imm == 0x4000) |
| O<< "2.0"; |
| else if (Imm == 0xC000) |
| O<< "-2.0"; |
| else if (Imm == 0x4400) |
| O<< "4.0"; |
| else if (Imm == 0xC400) |
| O<< "-4.0"; |
| else if (Imm == 0x3118) { |
| assert(STI.getFeatureBits()[AMDGPU::FeatureInv2PiInlineImm]); |
| O << "0.15915494"; |
| } else |
| O << formatHex(static_cast<uint64_t>(Imm)); |
| } |
| |
| void AMDGPUInstPrinter::printImmediateV216(uint32_t Imm, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| uint16_t Lo16 = static_cast<uint16_t>(Imm); |
| printImmediate16(Lo16, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printImmediate32(uint32_t Imm, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| int32_t SImm = static_cast<int32_t>(Imm); |
| if (SImm >= -16 && SImm <= 64) { |
| O << SImm; |
| return; |
| } |
| |
| if (Imm == FloatToBits(0.0f)) |
| O << "0.0"; |
| else if (Imm == FloatToBits(1.0f)) |
| O << "1.0"; |
| else if (Imm == FloatToBits(-1.0f)) |
| O << "-1.0"; |
| else if (Imm == FloatToBits(0.5f)) |
| O << "0.5"; |
| else if (Imm == FloatToBits(-0.5f)) |
| O << "-0.5"; |
| else if (Imm == FloatToBits(2.0f)) |
| O << "2.0"; |
| else if (Imm == FloatToBits(-2.0f)) |
| O << "-2.0"; |
| else if (Imm == FloatToBits(4.0f)) |
| O << "4.0"; |
| else if (Imm == FloatToBits(-4.0f)) |
| O << "-4.0"; |
| else if (Imm == 0x3e22f983 && |
| STI.getFeatureBits()[AMDGPU::FeatureInv2PiInlineImm]) |
| O << "0.15915494"; |
| else |
| O << formatHex(static_cast<uint64_t>(Imm)); |
| } |
| |
| void AMDGPUInstPrinter::printImmediate64(uint64_t Imm, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| int64_t SImm = static_cast<int64_t>(Imm); |
| if (SImm >= -16 && SImm <= 64) { |
| O << SImm; |
| return; |
| } |
| |
| if (Imm == DoubleToBits(0.0)) |
| O << "0.0"; |
| else if (Imm == DoubleToBits(1.0)) |
| O << "1.0"; |
| else if (Imm == DoubleToBits(-1.0)) |
| O << "-1.0"; |
| else if (Imm == DoubleToBits(0.5)) |
| O << "0.5"; |
| else if (Imm == DoubleToBits(-0.5)) |
| O << "-0.5"; |
| else if (Imm == DoubleToBits(2.0)) |
| O << "2.0"; |
| else if (Imm == DoubleToBits(-2.0)) |
| O << "-2.0"; |
| else if (Imm == DoubleToBits(4.0)) |
| O << "4.0"; |
| else if (Imm == DoubleToBits(-4.0)) |
| O << "-4.0"; |
| else if (Imm == 0x3fc45f306dc9c882 && |
| STI.getFeatureBits()[AMDGPU::FeatureInv2PiInlineImm]) |
| O << "0.15915494309189532"; |
| else { |
| assert(isUInt<32>(Imm) || Imm == 0x3fc45f306dc9c882); |
| |
| // In rare situations, we will have a 32-bit literal in a 64-bit |
| // operand. This is technically allowed for the encoding of s_mov_b64. |
| O << formatHex(static_cast<uint64_t>(Imm)); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printOperand(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| if (OpNo >= MI->getNumOperands()) { |
| O << "/*Missing OP" << OpNo << "*/"; |
| return; |
| } |
| |
| const MCOperand &Op = MI->getOperand(OpNo); |
| if (Op.isReg()) { |
| printRegOperand(Op.getReg(), O, MRI); |
| } else if (Op.isImm()) { |
| const MCInstrDesc &Desc = MII.get(MI->getOpcode()); |
| switch (Desc.OpInfo[OpNo].OperandType) { |
| case AMDGPU::OPERAND_REG_IMM_INT32: |
| case AMDGPU::OPERAND_REG_IMM_FP32: |
| case AMDGPU::OPERAND_REG_INLINE_C_INT32: |
| case AMDGPU::OPERAND_REG_INLINE_C_FP32: |
| case MCOI::OPERAND_IMMEDIATE: |
| printImmediate32(Op.getImm(), STI, O); |
| break; |
| case AMDGPU::OPERAND_REG_IMM_INT64: |
| case AMDGPU::OPERAND_REG_IMM_FP64: |
| case AMDGPU::OPERAND_REG_INLINE_C_INT64: |
| case AMDGPU::OPERAND_REG_INLINE_C_FP64: |
| printImmediate64(Op.getImm(), STI, O); |
| break; |
| case AMDGPU::OPERAND_REG_INLINE_C_INT16: |
| case AMDGPU::OPERAND_REG_INLINE_C_FP16: |
| case AMDGPU::OPERAND_REG_IMM_INT16: |
| case AMDGPU::OPERAND_REG_IMM_FP16: |
| printImmediate16(Op.getImm(), STI, O); |
| break; |
| case AMDGPU::OPERAND_REG_INLINE_C_V2FP16: |
| case AMDGPU::OPERAND_REG_INLINE_C_V2INT16: |
| printImmediateV216(Op.getImm(), STI, O); |
| break; |
| case MCOI::OPERAND_UNKNOWN: |
| case MCOI::OPERAND_PCREL: |
| O << formatDec(Op.getImm()); |
| break; |
| case MCOI::OPERAND_REGISTER: |
| // FIXME: This should be removed and handled somewhere else. Seems to come |
| // from a disassembler bug. |
| O << "/*invalid immediate*/"; |
| break; |
| default: |
| // We hit this for the immediate instruction bits that don't yet have a |
| // custom printer. |
| llvm_unreachable("unexpected immediate operand type"); |
| } |
| } else if (Op.isFPImm()) { |
| // We special case 0.0 because otherwise it will be printed as an integer. |
| if (Op.getFPImm() == 0.0) |
| O << "0.0"; |
| else { |
| const MCInstrDesc &Desc = MII.get(MI->getOpcode()); |
| int RCID = Desc.OpInfo[OpNo].RegClass; |
| unsigned RCBits = AMDGPU::getRegBitWidth(MRI.getRegClass(RCID)); |
| if (RCBits == 32) |
| printImmediate32(FloatToBits(Op.getFPImm()), STI, O); |
| else if (RCBits == 64) |
| printImmediate64(DoubleToBits(Op.getFPImm()), STI, O); |
| else |
| llvm_unreachable("Invalid register class size"); |
| } |
| } else if (Op.isExpr()) { |
| const MCExpr *Exp = Op.getExpr(); |
| Exp->print(O, &MAI); |
| } else { |
| O << "/*INV_OP*/"; |
| } |
| } |
| |
| void AMDGPUInstPrinter::printOperandAndFPInputMods(const MCInst *MI, |
| unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned InputModifiers = MI->getOperand(OpNo).getImm(); |
| |
| // Use 'neg(...)' instead of '-' to avoid ambiguity. |
| // This is important for integer literals because |
| // -1 is not the same value as neg(1). |
| bool NegMnemo = false; |
| |
| if (InputModifiers & SISrcMods::NEG) { |
| if (OpNo + 1 < MI->getNumOperands() && |
| (InputModifiers & SISrcMods::ABS) == 0) { |
| const MCOperand &Op = MI->getOperand(OpNo + 1); |
| NegMnemo = Op.isImm() || Op.isFPImm(); |
| } |
| if (NegMnemo) { |
| O << "neg("; |
| } else { |
| O << '-'; |
| } |
| } |
| |
| if (InputModifiers & SISrcMods::ABS) |
| O << '|'; |
| printOperand(MI, OpNo + 1, STI, O); |
| if (InputModifiers & SISrcMods::ABS) |
| O << '|'; |
| |
| if (NegMnemo) { |
| O << ')'; |
| } |
| } |
| |
| void AMDGPUInstPrinter::printOperandAndIntInputMods(const MCInst *MI, |
| unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned InputModifiers = MI->getOperand(OpNo).getImm(); |
| if (InputModifiers & SISrcMods::SEXT) |
| O << "sext("; |
| printOperand(MI, OpNo + 1, STI, O); |
| if (InputModifiers & SISrcMods::SEXT) |
| O << ')'; |
| } |
| |
| void AMDGPUInstPrinter::printDPPCtrl(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| using namespace AMDGPU::DPP; |
| |
| unsigned Imm = MI->getOperand(OpNo).getImm(); |
| if (Imm <= DppCtrl::QUAD_PERM_LAST) { |
| O << " quad_perm:["; |
| O << formatDec(Imm & 0x3) << ','; |
| O << formatDec((Imm & 0xc) >> 2) << ','; |
| O << formatDec((Imm & 0x30) >> 4) << ','; |
| O << formatDec((Imm & 0xc0) >> 6) << ']'; |
| } else if ((Imm >= DppCtrl::ROW_SHL_FIRST) && |
| (Imm <= DppCtrl::ROW_SHL_LAST)) { |
| O << " row_shl:"; |
| printU4ImmDecOperand(MI, OpNo, O); |
| } else if ((Imm >= DppCtrl::ROW_SHR_FIRST) && |
| (Imm <= DppCtrl::ROW_SHR_LAST)) { |
| O << " row_shr:"; |
| printU4ImmDecOperand(MI, OpNo, O); |
| } else if ((Imm >= DppCtrl::ROW_ROR_FIRST) && |
| (Imm <= DppCtrl::ROW_ROR_LAST)) { |
| O << " row_ror:"; |
| printU4ImmDecOperand(MI, OpNo, O); |
| } else if (Imm == DppCtrl::WAVE_SHL1) { |
| O << " wave_shl:1"; |
| } else if (Imm == DppCtrl::WAVE_ROL1) { |
| O << " wave_rol:1"; |
| } else if (Imm == DppCtrl::WAVE_SHR1) { |
| O << " wave_shr:1"; |
| } else if (Imm == DppCtrl::WAVE_ROR1) { |
| O << " wave_ror:1"; |
| } else if (Imm == DppCtrl::ROW_MIRROR) { |
| O << " row_mirror"; |
| } else if (Imm == DppCtrl::ROW_HALF_MIRROR) { |
| O << " row_half_mirror"; |
| } else if (Imm == DppCtrl::BCAST15) { |
| O << " row_bcast:15"; |
| } else if (Imm == DppCtrl::BCAST31) { |
| O << " row_bcast:31"; |
| } else { |
| O << " /* Invalid dpp_ctrl value */"; |
| } |
| } |
| |
| void AMDGPUInstPrinter::printRowMask(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| O << " row_mask:"; |
| printU4ImmOperand(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printBankMask(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| O << " bank_mask:"; |
| printU4ImmOperand(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printBoundCtrl(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Imm = MI->getOperand(OpNo).getImm(); |
| if (Imm) { |
| O << " bound_ctrl:0"; // XXX - this syntax is used in sp3 |
| } |
| } |
| |
| void AMDGPUInstPrinter::printSDWASel(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| using namespace llvm::AMDGPU::SDWA; |
| |
| unsigned Imm = MI->getOperand(OpNo).getImm(); |
| switch (Imm) { |
| case SdwaSel::BYTE_0: O << "BYTE_0"; break; |
| case SdwaSel::BYTE_1: O << "BYTE_1"; break; |
| case SdwaSel::BYTE_2: O << "BYTE_2"; break; |
| case SdwaSel::BYTE_3: O << "BYTE_3"; break; |
| case SdwaSel::WORD_0: O << "WORD_0"; break; |
| case SdwaSel::WORD_1: O << "WORD_1"; break; |
| case SdwaSel::DWORD: O << "DWORD"; break; |
| default: llvm_unreachable("Invalid SDWA data select operand"); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printSDWADstSel(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| O << "dst_sel:"; |
| printSDWASel(MI, OpNo, O); |
| } |
| |
| void AMDGPUInstPrinter::printSDWASrc0Sel(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| O << "src0_sel:"; |
| printSDWASel(MI, OpNo, O); |
| } |
| |
| void AMDGPUInstPrinter::printSDWASrc1Sel(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| O << "src1_sel:"; |
| printSDWASel(MI, OpNo, O); |
| } |
| |
| void AMDGPUInstPrinter::printSDWADstUnused(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| using namespace llvm::AMDGPU::SDWA; |
| |
| O << "dst_unused:"; |
| unsigned Imm = MI->getOperand(OpNo).getImm(); |
| switch (Imm) { |
| case DstUnused::UNUSED_PAD: O << "UNUSED_PAD"; break; |
| case DstUnused::UNUSED_SEXT: O << "UNUSED_SEXT"; break; |
| case DstUnused::UNUSED_PRESERVE: O << "UNUSED_PRESERVE"; break; |
| default: llvm_unreachable("Invalid SDWA dest_unused operand"); |
| } |
| } |
| |
| template <unsigned N> |
| void AMDGPUInstPrinter::printExpSrcN(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Opc = MI->getOpcode(); |
| int EnIdx = AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::en); |
| unsigned En = MI->getOperand(EnIdx).getImm(); |
| |
| int ComprIdx = AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::compr); |
| |
| // If compr is set, print as src0, src0, src1, src1 |
| if (MI->getOperand(ComprIdx).getImm()) { |
| if (N == 1 || N == 2) |
| --OpNo; |
| else if (N == 3) |
| OpNo -= 2; |
| } |
| |
| if (En & (1 << N)) |
| printRegOperand(MI->getOperand(OpNo).getReg(), O, MRI); |
| else |
| O << "off"; |
| } |
| |
| void AMDGPUInstPrinter::printExpSrc0(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printExpSrcN<0>(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printExpSrc1(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printExpSrcN<1>(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printExpSrc2(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printExpSrcN<2>(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printExpSrc3(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printExpSrcN<3>(MI, OpNo, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printExpTgt(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| // This is really a 6 bit field. |
| uint32_t Tgt = MI->getOperand(OpNo).getImm() & ((1 << 6) - 1); |
| |
| if (Tgt <= 7) |
| O << " mrt" << Tgt; |
| else if (Tgt == 8) |
| O << " mrtz"; |
| else if (Tgt == 9) |
| O << " null"; |
| else if (Tgt >= 12 && Tgt <= 15) |
| O << " pos" << Tgt - 12; |
| else if (Tgt >= 32 && Tgt <= 63) |
| O << " param" << Tgt - 32; |
| else { |
| // Reserved values 10, 11 |
| O << " invalid_target_" << Tgt; |
| } |
| } |
| |
| static bool allOpsDefaultValue(const int* Ops, int NumOps, int Mod, |
| bool IsPacked, bool HasDstSel) { |
| int DefaultValue = IsPacked && (Mod == SISrcMods::OP_SEL_1); |
| |
| for (int I = 0; I < NumOps; ++I) { |
| if (!!(Ops[I] & Mod) != DefaultValue) |
| return false; |
| } |
| |
| if (HasDstSel && (Ops[0] & SISrcMods::DST_OP_SEL) != 0) |
| return false; |
| |
| return true; |
| } |
| |
| void AMDGPUInstPrinter::printPackedModifier(const MCInst *MI, |
| StringRef Name, |
| unsigned Mod, |
| raw_ostream &O) { |
| unsigned Opc = MI->getOpcode(); |
| int NumOps = 0; |
| int Ops[3]; |
| |
| for (int OpName : { AMDGPU::OpName::src0_modifiers, |
| AMDGPU::OpName::src1_modifiers, |
| AMDGPU::OpName::src2_modifiers }) { |
| int Idx = AMDGPU::getNamedOperandIdx(Opc, OpName); |
| if (Idx == -1) |
| break; |
| |
| Ops[NumOps++] = MI->getOperand(Idx).getImm(); |
| } |
| |
| const bool HasDstSel = |
| NumOps > 0 && |
| Mod == SISrcMods::OP_SEL_0 && |
| MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::VOP3_OPSEL; |
| |
| const bool IsPacked = |
| MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::IsPacked; |
| |
| if (allOpsDefaultValue(Ops, NumOps, Mod, IsPacked, HasDstSel)) |
| return; |
| |
| O << Name; |
| for (int I = 0; I < NumOps; ++I) { |
| if (I != 0) |
| O << ','; |
| |
| O << !!(Ops[I] & Mod); |
| } |
| |
| if (HasDstSel) { |
| O << ',' << !!(Ops[0] & SISrcMods::DST_OP_SEL); |
| } |
| |
| O << ']'; |
| } |
| |
| void AMDGPUInstPrinter::printOpSel(const MCInst *MI, unsigned, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printPackedModifier(MI, " op_sel:[", SISrcMods::OP_SEL_0, O); |
| } |
| |
| void AMDGPUInstPrinter::printOpSelHi(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printPackedModifier(MI, " op_sel_hi:[", SISrcMods::OP_SEL_1, O); |
| } |
| |
| void AMDGPUInstPrinter::printNegLo(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printPackedModifier(MI, " neg_lo:[", SISrcMods::NEG, O); |
| } |
| |
| void AMDGPUInstPrinter::printNegHi(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printPackedModifier(MI, " neg_hi:[", SISrcMods::NEG_HI, O); |
| } |
| |
| void AMDGPUInstPrinter::printInterpSlot(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Imm = MI->getOperand(OpNum).getImm(); |
| switch (Imm) { |
| case 0: |
| O << "p10"; |
| break; |
| case 1: |
| O << "p20"; |
| break; |
| case 2: |
| O << "p0"; |
| break; |
| default: |
| O << "invalid_param_" << Imm; |
| } |
| } |
| |
| void AMDGPUInstPrinter::printInterpAttr(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Attr = MI->getOperand(OpNum).getImm(); |
| O << "attr" << Attr; |
| } |
| |
| void AMDGPUInstPrinter::printInterpAttrChan(const MCInst *MI, unsigned OpNum, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Chan = MI->getOperand(OpNum).getImm(); |
| O << '.' << "xyzw"[Chan & 0x3]; |
| } |
| |
| void AMDGPUInstPrinter::printVGPRIndexMode(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| unsigned Val = MI->getOperand(OpNo).getImm(); |
| if (Val == 0) { |
| O << " 0"; |
| return; |
| } |
| |
| if (Val & VGPRIndexMode::DST_ENABLE) |
| O << " dst"; |
| |
| if (Val & VGPRIndexMode::SRC0_ENABLE) |
| O << " src0"; |
| |
| if (Val & VGPRIndexMode::SRC1_ENABLE) |
| O << " src1"; |
| |
| if (Val & VGPRIndexMode::SRC2_ENABLE) |
| O << " src2"; |
| } |
| |
| void AMDGPUInstPrinter::printMemOperand(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| printOperand(MI, OpNo, STI, O); |
| O << ", "; |
| printOperand(MI, OpNo + 1, STI, O); |
| } |
| |
| void AMDGPUInstPrinter::printIfSet(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O, StringRef Asm, |
| StringRef Default) { |
| const MCOperand &Op = MI->getOperand(OpNo); |
| assert(Op.isImm()); |
| if (Op.getImm() == 1) { |
| O << Asm; |
| } else { |
| O << Default; |
| } |
| } |
| |
| void AMDGPUInstPrinter::printIfSet(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O, char Asm) { |
| const MCOperand &Op = MI->getOperand(OpNo); |
| assert(Op.isImm()); |
| if (Op.getImm() == 1) |
| O << Asm; |
| } |
| |
| void AMDGPUInstPrinter::printHigh(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| if (MI->getOperand(OpNo).getImm()) |
| O << " high"; |
| } |
| |
| void AMDGPUInstPrinter::printClampSI(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| if (MI->getOperand(OpNo).getImm()) |
| O << " clamp"; |
| } |
| |
| void AMDGPUInstPrinter::printOModSI(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| int Imm = MI->getOperand(OpNo).getImm(); |
| if (Imm == SIOutMods::MUL2) |
| O << " mul:2"; |
| else if (Imm == SIOutMods::MUL4) |
| O << " mul:4"; |
| else if (Imm == SIOutMods::DIV2) |
| O << " div:2"; |
| } |
| |
| void AMDGPUInstPrinter::printSendMsg(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| using namespace llvm::AMDGPU::SendMsg; |
| |
| const unsigned SImm16 = MI->getOperand(OpNo).getImm(); |
| const unsigned Id = SImm16 & ID_MASK_; |
| do { |
| if (Id == ID_INTERRUPT) { |
| if ((SImm16 & ~ID_MASK_) != 0) // Unused/unknown bits must be 0. |
| break; |
| O << "sendmsg(" << IdSymbolic[Id] << ')'; |
| return; |
| } |
| if (Id == ID_GS || Id == ID_GS_DONE) { |
| if ((SImm16 & ~(ID_MASK_|OP_GS_MASK_|STREAM_ID_MASK_)) != 0) // Unused/unknown bits must be 0. |
| break; |
| const unsigned OpGs = (SImm16 & OP_GS_MASK_) >> OP_SHIFT_; |
| const unsigned StreamId = (SImm16 & STREAM_ID_MASK_) >> STREAM_ID_SHIFT_; |
| if (OpGs == OP_GS_NOP && Id != ID_GS_DONE) // NOP to be used for GS_DONE only. |
| break; |
| if (OpGs == OP_GS_NOP && StreamId != 0) // NOP does not use/define stream id bits. |
| break; |
| O << "sendmsg(" << IdSymbolic[Id] << ", " << OpGsSymbolic[OpGs]; |
| if (OpGs != OP_GS_NOP) { O << ", " << StreamId; } |
| O << ')'; |
| return; |
| } |
| if (Id == ID_SYSMSG) { |
| if ((SImm16 & ~(ID_MASK_|OP_SYS_MASK_)) != 0) // Unused/unknown bits must be 0. |
| break; |
| const unsigned OpSys = (SImm16 & OP_SYS_MASK_) >> OP_SHIFT_; |
| if (! (OP_SYS_FIRST_ <= OpSys && OpSys < OP_SYS_LAST_)) // Unused/unknown. |
| break; |
| O << "sendmsg(" << IdSymbolic[Id] << ", " << OpSysSymbolic[OpSys] << ')'; |
| return; |
| } |
| } while (false); |
| O << SImm16; // Unknown simm16 code. |
| } |
| |
| static void printSwizzleBitmask(const uint16_t AndMask, |
| const uint16_t OrMask, |
| const uint16_t XorMask, |
| raw_ostream &O) { |
| using namespace llvm::AMDGPU::Swizzle; |
| |
| uint16_t Probe0 = ((0 & AndMask) | OrMask) ^ XorMask; |
| uint16_t Probe1 = ((BITMASK_MASK & AndMask) | OrMask) ^ XorMask; |
| |
| O << "\""; |
| |
| for (unsigned Mask = 1 << (BITMASK_WIDTH - 1); Mask > 0; Mask >>= 1) { |
| uint16_t p0 = Probe0 & Mask; |
| uint16_t p1 = Probe1 & Mask; |
| |
| if (p0 == p1) { |
| if (p0 == 0) { |
| O << "0"; |
| } else { |
| O << "1"; |
| } |
| } else { |
| if (p0 == 0) { |
| O << "p"; |
| } else { |
| O << "i"; |
| } |
| } |
| } |
| |
| O << "\""; |
| } |
| |
| void AMDGPUInstPrinter::printSwizzle(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| using namespace llvm::AMDGPU::Swizzle; |
| |
| uint16_t Imm = MI->getOperand(OpNo).getImm(); |
| if (Imm == 0) { |
| return; |
| } |
| |
| O << " offset:"; |
| |
| if ((Imm & QUAD_PERM_ENC_MASK) == QUAD_PERM_ENC) { |
| |
| O << "swizzle(" << IdSymbolic[ID_QUAD_PERM]; |
| for (auto i = 0; i < LANE_NUM; ++i) { |
| O << ","; |
| O << formatDec(Imm & LANE_MASK); |
| Imm >>= LANE_SHIFT; |
| } |
| O << ")"; |
| |
| } else if ((Imm & BITMASK_PERM_ENC_MASK) == BITMASK_PERM_ENC) { |
| |
| uint16_t AndMask = (Imm >> BITMASK_AND_SHIFT) & BITMASK_MASK; |
| uint16_t OrMask = (Imm >> BITMASK_OR_SHIFT) & BITMASK_MASK; |
| uint16_t XorMask = (Imm >> BITMASK_XOR_SHIFT) & BITMASK_MASK; |
| |
| if (AndMask == BITMASK_MAX && |
| OrMask == 0 && |
| countPopulation(XorMask) == 1) { |
| |
| O << "swizzle(" << IdSymbolic[ID_SWAP]; |
| O << ","; |
| O << formatDec(XorMask); |
| O << ")"; |
| |
| } else if (AndMask == BITMASK_MAX && |
| OrMask == 0 && XorMask > 0 && |
| isPowerOf2_64(XorMask + 1)) { |
| |
| O << "swizzle(" << IdSymbolic[ID_REVERSE]; |
| O << ","; |
| O << formatDec(XorMask + 1); |
| O << ")"; |
| |
| } else { |
| |
| uint16_t GroupSize = BITMASK_MAX - AndMask + 1; |
| if (GroupSize > 1 && |
| isPowerOf2_64(GroupSize) && |
| OrMask < GroupSize && |
| XorMask == 0) { |
| |
| O << "swizzle(" << IdSymbolic[ID_BROADCAST]; |
| O << ","; |
| O << formatDec(GroupSize); |
| O << ","; |
| O << formatDec(OrMask); |
| O << ")"; |
| |
| } else { |
| O << "swizzle(" << IdSymbolic[ID_BITMASK_PERM]; |
| O << ","; |
| printSwizzleBitmask(AndMask, OrMask, XorMask, O); |
| O << ")"; |
| } |
| } |
| } else { |
| printU16ImmDecOperand(MI, OpNo, O); |
| } |
| } |
| |
| void AMDGPUInstPrinter::printWaitFlag(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, |
| raw_ostream &O) { |
| AMDGPU::IsaVersion ISA = AMDGPU::getIsaVersion(STI.getCPU()); |
| |
| unsigned SImm16 = MI->getOperand(OpNo).getImm(); |
| unsigned Vmcnt, Expcnt, Lgkmcnt; |
| decodeWaitcnt(ISA, SImm16, Vmcnt, Expcnt, Lgkmcnt); |
| |
| bool NeedSpace = false; |
| |
| if (Vmcnt != getVmcntBitMask(ISA)) { |
| O << "vmcnt(" << Vmcnt << ')'; |
| NeedSpace = true; |
| } |
| |
| if (Expcnt != getExpcntBitMask(ISA)) { |
| if (NeedSpace) |
| O << ' '; |
| O << "expcnt(" << Expcnt << ')'; |
| NeedSpace = true; |
| } |
| |
| if (Lgkmcnt != getLgkmcntBitMask(ISA)) { |
| if (NeedSpace) |
| O << ' '; |
| O << "lgkmcnt(" << Lgkmcnt << ')'; |
| } |
| } |
| |
| void AMDGPUInstPrinter::printHwreg(const MCInst *MI, unsigned OpNo, |
| const MCSubtargetInfo &STI, raw_ostream &O) { |
| using namespace llvm::AMDGPU::Hwreg; |
| |
| unsigned SImm16 = MI->getOperand(OpNo).getImm(); |
| const unsigned Id = (SImm16 & ID_MASK_) >> ID_SHIFT_; |
| const unsigned Offset = (SImm16 & OFFSET_MASK_) >> OFFSET_SHIFT_; |
| const unsigned Width = ((SImm16 & WIDTH_M1_MASK_) >> WIDTH_M1_SHIFT_) + 1; |
| |
| O << "hwreg("; |
| unsigned Last = ID_SYMBOLIC_LAST_; |
| if (AMDGPU::isSI(STI) || AMDGPU::isCI(STI) || AMDGPU::isVI(STI)) |
| Last = ID_SYMBOLIC_FIRST_GFX9_; |
| if (ID_SYMBOLIC_FIRST_ <= Id && Id < Last && IdSymbolic[Id]) { |
| O << IdSymbolic[Id]; |
| } else { |
| O << Id; |
| } |
| if (Width != WIDTH_M1_DEFAULT_ + 1 || Offset != OFFSET_DEFAULT_) { |
| O << ", " << Offset << ", " << Width; |
| } |
| O << ')'; |
| } |
| |
| #include "AMDGPUGenAsmWriter.inc" |
| |
| void R600InstPrinter::printInst(const MCInst *MI, raw_ostream &O, |
| StringRef Annot, const MCSubtargetInfo &STI) { |
| O.flush(); |
| printInstruction(MI, O); |
| printAnnotation(O, Annot); |
| } |
| |
| void R600InstPrinter::printAbs(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| AMDGPUInstPrinter::printIfSet(MI, OpNo, O, '|'); |
| } |
| |
| void R600InstPrinter::printBankSwizzle(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| int BankSwizzle = MI->getOperand(OpNo).getImm(); |
| switch (BankSwizzle) { |
| case 1: |
| O << "BS:VEC_021/SCL_122"; |
| break; |
| case 2: |
| O << "BS:VEC_120/SCL_212"; |
| break; |
| case 3: |
| O << "BS:VEC_102/SCL_221"; |
| break; |
| case 4: |
| O << "BS:VEC_201"; |
| break; |
| case 5: |
| O << "BS:VEC_210"; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void R600InstPrinter::printClamp(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| AMDGPUInstPrinter::printIfSet(MI, OpNo, O, "_SAT"); |
| } |
| |
| void R600InstPrinter::printCT(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| unsigned CT = MI->getOperand(OpNo).getImm(); |
| switch (CT) { |
| case 0: |
| O << 'U'; |
| break; |
| case 1: |
| O << 'N'; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void R600InstPrinter::printKCache(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| int KCacheMode = MI->getOperand(OpNo).getImm(); |
| if (KCacheMode > 0) { |
| int KCacheBank = MI->getOperand(OpNo - 2).getImm(); |
| O << "CB" << KCacheBank << ':'; |
| int KCacheAddr = MI->getOperand(OpNo + 2).getImm(); |
| int LineSize = (KCacheMode == 1) ? 16 : 32; |
| O << KCacheAddr * 16 << '-' << KCacheAddr * 16 + LineSize; |
| } |
| } |
| |
| void R600InstPrinter::printLast(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| AMDGPUInstPrinter::printIfSet(MI, OpNo, O, "*", " "); |
| } |
| |
| void R600InstPrinter::printLiteral(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| const MCOperand &Op = MI->getOperand(OpNo); |
| assert(Op.isImm() || Op.isExpr()); |
| if (Op.isImm()) { |
| int64_t Imm = Op.getImm(); |
| O << Imm << '(' << BitsToFloat(Imm) << ')'; |
| } |
| if (Op.isExpr()) { |
| Op.getExpr()->print(O << '@', &MAI); |
| } |
| } |
| |
| void R600InstPrinter::printNeg(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| AMDGPUInstPrinter::printIfSet(MI, OpNo, O, '-'); |
| } |
| |
| void R600InstPrinter::printOMOD(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| switch (MI->getOperand(OpNo).getImm()) { |
| default: break; |
| case 1: |
| O << " * 2.0"; |
| break; |
| case 2: |
| O << " * 4.0"; |
| break; |
| case 3: |
| O << " / 2.0"; |
| break; |
| } |
| } |
| |
| void R600InstPrinter::printMemOperand(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| printOperand(MI, OpNo, O); |
| O << ", "; |
| printOperand(MI, OpNo + 1, O); |
| } |
| |
| void R600InstPrinter::printOperand(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| if (OpNo >= MI->getNumOperands()) { |
| O << "/*Missing OP" << OpNo << "*/"; |
| return; |
| } |
| |
| const MCOperand &Op = MI->getOperand(OpNo); |
| if (Op.isReg()) { |
| switch (Op.getReg()) { |
| // This is the default predicate state, so we don't need to print it. |
| case R600::PRED_SEL_OFF: |
| break; |
| |
| default: |
| O << getRegisterName(Op.getReg()); |
| break; |
| } |
| } else if (Op.isImm()) { |
| O << Op.getImm(); |
| } else if (Op.isFPImm()) { |
| // We special case 0.0 because otherwise it will be printed as an integer. |
| if (Op.getFPImm() == 0.0) |
| O << "0.0"; |
| else { |
| O << Op.getFPImm(); |
| } |
| } else if (Op.isExpr()) { |
| const MCExpr *Exp = Op.getExpr(); |
| Exp->print(O, &MAI); |
| } else { |
| O << "/*INV_OP*/"; |
| } |
| } |
| |
| void R600InstPrinter::printRel(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| AMDGPUInstPrinter::printIfSet(MI, OpNo, O, '+'); |
| } |
| |
| void R600InstPrinter::printRSel(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| unsigned Sel = MI->getOperand(OpNo).getImm(); |
| switch (Sel) { |
| case 0: |
| O << 'X'; |
| break; |
| case 1: |
| O << 'Y'; |
| break; |
| case 2: |
| O << 'Z'; |
| break; |
| case 3: |
| O << 'W'; |
| break; |
| case 4: |
| O << '0'; |
| break; |
| case 5: |
| O << '1'; |
| break; |
| case 7: |
| O << '_'; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void R600InstPrinter::printUpdateExecMask(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| AMDGPUInstPrinter::printIfSet(MI, OpNo, O, "ExecMask,"); |
| } |
| |
| void R600InstPrinter::printUpdatePred(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| AMDGPUInstPrinter::printIfSet(MI, OpNo, O, "Pred,"); |
| } |
| |
| void R600InstPrinter::printWrite(const MCInst *MI, unsigned OpNo, |
| raw_ostream &O) { |
| const MCOperand &Op = MI->getOperand(OpNo); |
| if (Op.getImm() == 0) { |
| O << " (MASKED)"; |
| } |
| } |
| |
| #include "R600GenAsmWriter.inc" |
