diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/MCTargetDesc/R600InstPrinter.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/MCTargetDesc/R600InstPrinter.cpp | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/MCTargetDesc/R600InstPrinter.cpp b/llvm/lib/Target/AMDGPU/MCTargetDesc/R600InstPrinter.cpp new file mode 100644 index 000000000000..f77ed1faf029 --- /dev/null +++ b/llvm/lib/Target/AMDGPU/MCTargetDesc/R600InstPrinter.cpp @@ -0,0 +1,224 @@ +//===-- R600InstPrinter.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 "R600InstPrinter.h" +#include "AMDGPUInstPrinter.h" +#include "R600MCTargetDesc.h" +#include "llvm/MC/MCExpr.h" +#include "llvm/MC/MCInst.h" +#include "llvm/MC/MCInstrInfo.h" +#include "llvm/MC/MCSubtargetInfo.h" +#include "llvm/Support/CommandLine.h" + +using namespace llvm; + +void R600InstPrinter::printInst(const MCInst *MI, uint64_t Address, + StringRef Annot, const MCSubtargetInfo &STI, + raw_ostream &O) { + O.flush(); + printInstruction(MI, Address, 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.isDFPImm()) { + // We special case 0.0 because otherwise it will be printed as an integer. + if (Op.getDFPImm() == 0.0) + O << "0.0"; + else { + O << bit_cast<double>(Op.getDFPImm()); + } + } 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" |