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882 lines
25 KiB
882 lines
25 KiB
//===-- AMDGPUInstPrinter.cpp - AMDGPU MC Inst -> ASM ---------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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// \file
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//===----------------------------------------------------------------------===//
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#include "AMDGPUInstPrinter.h"
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#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
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#include "SIDefines.h"
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#include "Utils/AMDGPUAsmUtils.h"
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#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/Support/MathExtras.h"
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#include "llvm/Support/raw_ostream.h"
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#include <string>
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using namespace llvm;
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void AMDGPUInstPrinter::printInst(const MCInst *MI, raw_ostream &OS,
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StringRef Annot, const MCSubtargetInfo &STI) {
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OS.flush();
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printInstruction(MI, OS);
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printAnnotation(OS, Annot);
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}
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void AMDGPUInstPrinter::printU4ImmOperand(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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O << formatHex(MI->getOperand(OpNo).getImm() & 0xf);
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}
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void AMDGPUInstPrinter::printU8ImmOperand(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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O << formatHex(MI->getOperand(OpNo).getImm() & 0xff);
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}
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void AMDGPUInstPrinter::printU16ImmOperand(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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O << formatHex(MI->getOperand(OpNo).getImm() & 0xffff);
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}
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void AMDGPUInstPrinter::printU32ImmOperand(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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O << formatHex(MI->getOperand(OpNo).getImm() & 0xffffffff);
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}
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void AMDGPUInstPrinter::printU4ImmDecOperand(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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O << formatDec(MI->getOperand(OpNo).getImm() & 0xf);
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}
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void AMDGPUInstPrinter::printU8ImmDecOperand(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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O << formatDec(MI->getOperand(OpNo).getImm() & 0xff);
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}
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void AMDGPUInstPrinter::printU16ImmDecOperand(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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O << formatDec(MI->getOperand(OpNo).getImm() & 0xffff);
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}
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void AMDGPUInstPrinter::printNamedBit(const MCInst* MI, unsigned OpNo,
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raw_ostream& O, StringRef BitName) {
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if (MI->getOperand(OpNo).getImm()) {
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O << ' ' << BitName;
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}
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}
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void AMDGPUInstPrinter::printOffen(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "offen");
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}
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void AMDGPUInstPrinter::printIdxen(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "idxen");
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}
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void AMDGPUInstPrinter::printAddr64(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "addr64");
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}
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void AMDGPUInstPrinter::printMBUFOffset(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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if (MI->getOperand(OpNo).getImm()) {
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O << " offset:";
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printU16ImmDecOperand(MI, OpNo, O);
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}
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}
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void AMDGPUInstPrinter::printOffset(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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uint16_t Imm = MI->getOperand(OpNo).getImm();
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if (Imm != 0) {
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O << " offset:";
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printU16ImmDecOperand(MI, OpNo, O);
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}
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}
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void AMDGPUInstPrinter::printOffset0(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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if (MI->getOperand(OpNo).getImm()) {
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O << " offset0:";
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printU8ImmDecOperand(MI, OpNo, O);
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}
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}
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void AMDGPUInstPrinter::printOffset1(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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if (MI->getOperand(OpNo).getImm()) {
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O << " offset1:";
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printU8ImmDecOperand(MI, OpNo, O);
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}
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}
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void AMDGPUInstPrinter::printSMRDOffset(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printU32ImmOperand(MI, OpNo, O);
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}
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void AMDGPUInstPrinter::printSMRDLiteralOffset(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printU32ImmOperand(MI, OpNo, O);
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}
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void AMDGPUInstPrinter::printGDS(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "gds");
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}
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void AMDGPUInstPrinter::printGLC(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "glc");
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}
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void AMDGPUInstPrinter::printSLC(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "slc");
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}
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void AMDGPUInstPrinter::printTFE(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "tfe");
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}
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void AMDGPUInstPrinter::printDMask(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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if (MI->getOperand(OpNo).getImm()) {
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O << " dmask:";
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printU16ImmOperand(MI, OpNo, O);
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}
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}
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void AMDGPUInstPrinter::printUNorm(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "unorm");
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}
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void AMDGPUInstPrinter::printDA(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "da");
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}
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void AMDGPUInstPrinter::printR128(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "r128");
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}
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void AMDGPUInstPrinter::printLWE(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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printNamedBit(MI, OpNo, O, "lwe");
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}
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void AMDGPUInstPrinter::printRegOperand(unsigned reg, raw_ostream &O,
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const MCRegisterInfo &MRI) {
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switch (reg) {
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case AMDGPU::VCC:
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O << "vcc";
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return;
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case AMDGPU::SCC:
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O << "scc";
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return;
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case AMDGPU::EXEC:
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O << "exec";
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return;
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case AMDGPU::M0:
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O << "m0";
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return;
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case AMDGPU::FLAT_SCR:
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O << "flat_scratch";
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return;
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case AMDGPU::VCC_LO:
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O << "vcc_lo";
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return;
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case AMDGPU::VCC_HI:
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O << "vcc_hi";
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return;
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case AMDGPU::TBA_LO:
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O << "tba_lo";
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return;
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case AMDGPU::TBA_HI:
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O << "tba_hi";
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return;
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case AMDGPU::TMA_LO:
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O << "tma_lo";
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return;
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case AMDGPU::TMA_HI:
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O << "tma_hi";
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return;
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case AMDGPU::EXEC_LO:
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O << "exec_lo";
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return;
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case AMDGPU::EXEC_HI:
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O << "exec_hi";
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return;
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case AMDGPU::FLAT_SCR_LO:
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O << "flat_scratch_lo";
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return;
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case AMDGPU::FLAT_SCR_HI:
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O << "flat_scratch_hi";
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return;
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default:
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break;
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}
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// The low 8 bits of the encoding value is the register index, for both VGPRs
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// and SGPRs.
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unsigned RegIdx = MRI.getEncodingValue(reg) & ((1 << 8) - 1);
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unsigned NumRegs;
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if (MRI.getRegClass(AMDGPU::VGPR_32RegClassID).contains(reg)) {
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O << 'v';
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NumRegs = 1;
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} else if (MRI.getRegClass(AMDGPU::SGPR_32RegClassID).contains(reg)) {
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O << 's';
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NumRegs = 1;
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} else if (MRI.getRegClass(AMDGPU::VReg_64RegClassID).contains(reg)) {
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O <<'v';
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NumRegs = 2;
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} else if (MRI.getRegClass(AMDGPU::SGPR_64RegClassID).contains(reg)) {
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O << 's';
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NumRegs = 2;
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} else if (MRI.getRegClass(AMDGPU::VReg_128RegClassID).contains(reg)) {
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O << 'v';
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NumRegs = 4;
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} else if (MRI.getRegClass(AMDGPU::SGPR_128RegClassID).contains(reg)) {
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O << 's';
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NumRegs = 4;
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} else if (MRI.getRegClass(AMDGPU::VReg_96RegClassID).contains(reg)) {
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O << 'v';
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NumRegs = 3;
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} else if (MRI.getRegClass(AMDGPU::VReg_256RegClassID).contains(reg)) {
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O << 'v';
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NumRegs = 8;
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} else if (MRI.getRegClass(AMDGPU::SReg_256RegClassID).contains(reg)) {
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O << 's';
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NumRegs = 8;
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} else if (MRI.getRegClass(AMDGPU::VReg_512RegClassID).contains(reg)) {
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O << 'v';
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NumRegs = 16;
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} else if (MRI.getRegClass(AMDGPU::SReg_512RegClassID).contains(reg)) {
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O << 's';
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NumRegs = 16;
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} else if (MRI.getRegClass(AMDGPU::TTMP_64RegClassID).contains(reg)) {
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O << "ttmp";
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NumRegs = 2;
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RegIdx -= 112; // Trap temps start at offset 112. TODO: Get this from tablegen.
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} else if (MRI.getRegClass(AMDGPU::TTMP_128RegClassID).contains(reg)) {
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O << "ttmp";
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NumRegs = 4;
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RegIdx -= 112; // Trap temps start at offset 112. TODO: Get this from tablegen.
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} else {
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O << getRegisterName(reg);
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return;
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}
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if (NumRegs == 1) {
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O << RegIdx;
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return;
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}
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O << '[' << RegIdx << ':' << (RegIdx + NumRegs - 1) << ']';
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}
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void AMDGPUInstPrinter::printVOPDst(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::VOP3)
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O << "_e64 ";
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else if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::DPP)
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O << "_dpp ";
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else if (MII.get(MI->getOpcode()).TSFlags & SIInstrFlags::SDWA)
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O << "_sdwa ";
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else
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O << "_e32 ";
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printOperand(MI, OpNo, O);
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}
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void AMDGPUInstPrinter::printImmediate32(uint32_t Imm, raw_ostream &O) {
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int32_t SImm = static_cast<int32_t>(Imm);
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if (SImm >= -16 && SImm <= 64) {
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O << SImm;
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return;
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}
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if (Imm == FloatToBits(0.0f))
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O << "0.0";
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else if (Imm == FloatToBits(1.0f))
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O << "1.0";
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else if (Imm == FloatToBits(-1.0f))
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O << "-1.0";
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else if (Imm == FloatToBits(0.5f))
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O << "0.5";
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else if (Imm == FloatToBits(-0.5f))
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O << "-0.5";
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else if (Imm == FloatToBits(2.0f))
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O << "2.0";
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else if (Imm == FloatToBits(-2.0f))
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O << "-2.0";
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else if (Imm == FloatToBits(4.0f))
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O << "4.0";
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else if (Imm == FloatToBits(-4.0f))
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O << "-4.0";
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else
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O << formatHex(static_cast<uint64_t>(Imm));
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}
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void AMDGPUInstPrinter::printImmediate64(uint64_t Imm, raw_ostream &O) {
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int64_t SImm = static_cast<int64_t>(Imm);
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if (SImm >= -16 && SImm <= 64) {
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O << SImm;
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return;
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}
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if (Imm == DoubleToBits(0.0))
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O << "0.0";
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else if (Imm == DoubleToBits(1.0))
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O << "1.0";
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else if (Imm == DoubleToBits(-1.0))
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O << "-1.0";
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else if (Imm == DoubleToBits(0.5))
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O << "0.5";
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else if (Imm == DoubleToBits(-0.5))
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O << "-0.5";
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else if (Imm == DoubleToBits(2.0))
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O << "2.0";
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else if (Imm == DoubleToBits(-2.0))
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O << "-2.0";
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else if (Imm == DoubleToBits(4.0))
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O << "4.0";
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else if (Imm == DoubleToBits(-4.0))
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O << "-4.0";
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else {
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assert(isUInt<32>(Imm));
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// In rare situations, we will have a 32-bit literal in a 64-bit
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// operand. This is technically allowed for the encoding of s_mov_b64.
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O << formatHex(static_cast<uint64_t>(Imm));
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}
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}
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void AMDGPUInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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const MCOperand &Op = MI->getOperand(OpNo);
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if (Op.isReg()) {
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switch (Op.getReg()) {
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// This is the default predicate state, so we don't need to print it.
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case AMDGPU::PRED_SEL_OFF:
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break;
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default:
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printRegOperand(Op.getReg(), O, MRI);
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break;
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}
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} else if (Op.isImm()) {
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const MCInstrDesc &Desc = MII.get(MI->getOpcode());
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int RCID = Desc.OpInfo[OpNo].RegClass;
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if (RCID != -1) {
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const MCRegisterClass &ImmRC = MRI.getRegClass(RCID);
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if (ImmRC.getSize() == 4)
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printImmediate32(Op.getImm(), O);
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else if (ImmRC.getSize() == 8)
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printImmediate64(Op.getImm(), O);
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else
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llvm_unreachable("Invalid register class size");
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} else if (Desc.OpInfo[OpNo].OperandType == MCOI::OPERAND_IMMEDIATE) {
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printImmediate32(Op.getImm(), O);
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} else {
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// We hit this for the immediate instruction bits that don't yet have a
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// custom printer.
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// TODO: Eventually this should be unnecessary.
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O << formatDec(Op.getImm());
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}
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} else if (Op.isFPImm()) {
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// We special case 0.0 because otherwise it will be printed as an integer.
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if (Op.getFPImm() == 0.0)
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O << "0.0";
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else {
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const MCInstrDesc &Desc = MII.get(MI->getOpcode());
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const MCRegisterClass &ImmRC = MRI.getRegClass(Desc.OpInfo[OpNo].RegClass);
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if (ImmRC.getSize() == 4)
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printImmediate32(FloatToBits(Op.getFPImm()), O);
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else if (ImmRC.getSize() == 8)
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printImmediate64(DoubleToBits(Op.getFPImm()), O);
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else
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llvm_unreachable("Invalid register class size");
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}
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} else if (Op.isExpr()) {
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const MCExpr *Exp = Op.getExpr();
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Exp->print(O, &MAI);
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} else {
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O << "/*INV_OP*/";
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}
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}
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void AMDGPUInstPrinter::printOperandAndFPInputMods(const MCInst *MI,
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unsigned OpNo,
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raw_ostream &O) {
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unsigned InputModifiers = MI->getOperand(OpNo).getImm();
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if (InputModifiers & SISrcMods::NEG)
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O << '-';
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if (InputModifiers & SISrcMods::ABS)
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O << '|';
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printOperand(MI, OpNo + 1, O);
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if (InputModifiers & SISrcMods::ABS)
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O << '|';
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}
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void AMDGPUInstPrinter::printOperandAndIntInputMods(const MCInst *MI,
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unsigned OpNo,
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raw_ostream &O) {
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unsigned InputModifiers = MI->getOperand(OpNo).getImm();
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if (InputModifiers & SISrcMods::SEXT)
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O << "sext(";
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printOperand(MI, OpNo + 1, O);
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if (InputModifiers & SISrcMods::SEXT)
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O << ')';
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}
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void AMDGPUInstPrinter::printDPPCtrl(const MCInst *MI, unsigned OpNo,
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raw_ostream &O) {
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unsigned Imm = MI->getOperand(OpNo).getImm();
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if (Imm <= 0x0ff) {
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O << " quad_perm:[";
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O << formatDec(Imm & 0x3) << ',';
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O << formatDec((Imm & 0xc) >> 2) << ',';
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O << formatDec((Imm & 0x30) >> 4) << ',';
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O << formatDec((Imm & 0xc0) >> 6) << ']';
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} else if ((Imm >= 0x101) && (Imm <= 0x10f)) {
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O << " row_shl:";
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printU4ImmDecOperand(MI, OpNo, O);
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} else if ((Imm >= 0x111) && (Imm <= 0x11f)) {
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O << " row_shr:";
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printU4ImmDecOperand(MI, OpNo, O);
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} else if ((Imm >= 0x121) && (Imm <= 0x12f)) {
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O << " row_ror:";
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printU4ImmDecOperand(MI, OpNo, O);
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} else if (Imm == 0x130) {
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O << " wave_shl:1";
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} else if (Imm == 0x134) {
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O << " wave_rol:1";
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} else if (Imm == 0x138) {
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O << " wave_shr:1";
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} else if (Imm == 0x13c) {
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O << " wave_ror:1";
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} else if (Imm == 0x140) {
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O << " row_mirror";
|
|
} else if (Imm == 0x141) {
|
|
O << " row_half_mirror";
|
|
} else if (Imm == 0x142) {
|
|
O << " row_bcast:15";
|
|
} else if (Imm == 0x143) {
|
|
O << " row_bcast:31";
|
|
} else {
|
|
llvm_unreachable("Invalid dpp_ctrl value");
|
|
}
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printRowMask(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
O << " row_mask:";
|
|
printU4ImmOperand(MI, OpNo, O);
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printBankMask(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
O << " bank_mask:";
|
|
printU4ImmOperand(MI, OpNo, O);
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printBoundCtrl(const MCInst *MI, unsigned OpNo,
|
|
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) {
|
|
unsigned Imm = MI->getOperand(OpNo).getImm();
|
|
switch (Imm) {
|
|
case 0: O << "BYTE_0"; break;
|
|
case 1: O << "BYTE_1"; break;
|
|
case 2: O << "BYTE_2"; break;
|
|
case 3: O << "BYTE_3"; break;
|
|
case 4: O << "WORD_0"; break;
|
|
case 5: O << "WORD_1"; break;
|
|
case 6: O << "DWORD"; break;
|
|
default: llvm_unreachable("Invalid SDWA data select operand");
|
|
}
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printSDWADstSel(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
O << "dst_sel:";
|
|
printSDWASel(MI, OpNo, O);
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printSDWASrc0Sel(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
O << "src0_sel:";
|
|
printSDWASel(MI, OpNo, O);
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printSDWASrc1Sel(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
O << "src1_sel:";
|
|
printSDWASel(MI, OpNo, O);
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printSDWADstUnused(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
O << "dst_unused:";
|
|
unsigned Imm = MI->getOperand(OpNo).getImm();
|
|
switch (Imm) {
|
|
case 0: O << "UNUSED_PAD"; break;
|
|
case 1: O << "UNUSED_SEXT"; break;
|
|
case 2: O << "UNUSED_PRESERVE"; break;
|
|
default: llvm_unreachable("Invalid SDWA dest_unused operand");
|
|
}
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printInterpSlot(const MCInst *MI, unsigned OpNum,
|
|
raw_ostream &O) {
|
|
unsigned Imm = MI->getOperand(OpNum).getImm();
|
|
|
|
if (Imm == 2) {
|
|
O << "P0";
|
|
} else if (Imm == 1) {
|
|
O << "P20";
|
|
} else if (Imm == 0) {
|
|
O << "P10";
|
|
} else {
|
|
llvm_unreachable("Invalid interpolation parameter slot");
|
|
}
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printMemOperand(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
printOperand(MI, OpNo, O);
|
|
O << ", ";
|
|
printOperand(MI, OpNo + 1, 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::printAbs(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
printIfSet(MI, OpNo, O, '|');
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printClamp(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
printIfSet(MI, OpNo, O, "_SAT");
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printClampSI(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
if (MI->getOperand(OpNo).getImm())
|
|
O << " clamp";
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printOModSI(const MCInst *MI, unsigned OpNo,
|
|
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::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 AMDGPUInstPrinter::printLast(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
printIfSet(MI, OpNo, O, "*", " ");
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printNeg(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
printIfSet(MI, OpNo, O, '-');
|
|
}
|
|
|
|
void AMDGPUInstPrinter::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 AMDGPUInstPrinter::printRel(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
printIfSet(MI, OpNo, O, '+');
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printUpdateExecMask(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
printIfSet(MI, OpNo, O, "ExecMask,");
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printUpdatePred(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
printIfSet(MI, OpNo, O, "Pred,");
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printWrite(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
const MCOperand &Op = MI->getOperand(OpNo);
|
|
if (Op.getImm() == 0) {
|
|
O << " (MASKED)";
|
|
}
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printSel(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
const char * chans = "XYZW";
|
|
int sel = MI->getOperand(OpNo).getImm();
|
|
|
|
int chan = sel & 3;
|
|
sel >>= 2;
|
|
|
|
if (sel >= 512) {
|
|
sel -= 512;
|
|
int cb = sel >> 12;
|
|
sel &= 4095;
|
|
O << cb << '[' << sel << ']';
|
|
} else if (sel >= 448) {
|
|
sel -= 448;
|
|
O << sel;
|
|
} else if (sel >= 0){
|
|
O << sel;
|
|
}
|
|
|
|
if (sel >= 0)
|
|
O << '.' << chans[chan];
|
|
}
|
|
|
|
void AMDGPUInstPrinter::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;
|
|
}
|
|
return;
|
|
}
|
|
|
|
void AMDGPUInstPrinter::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 AMDGPUInstPrinter::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 AMDGPUInstPrinter::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 AMDGPUInstPrinter::printSendMsg(const MCInst *MI, unsigned OpNo,
|
|
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 (0);
|
|
O << SImm16; // Unknown simm16 code.
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printWaitFlag(const MCInst *MI, unsigned OpNo,
|
|
raw_ostream &O) {
|
|
unsigned SImm16 = MI->getOperand(OpNo).getImm();
|
|
unsigned Vmcnt = SImm16 & 0xF;
|
|
unsigned Expcnt = (SImm16 >> 4) & 0x7;
|
|
unsigned Lgkmcnt = (SImm16 >> 8) & 0xF;
|
|
|
|
bool NeedSpace = false;
|
|
|
|
if (Vmcnt != 0xF) {
|
|
O << "vmcnt(" << Vmcnt << ')';
|
|
NeedSpace = true;
|
|
}
|
|
|
|
if (Expcnt != 0x7) {
|
|
if (NeedSpace)
|
|
O << ' ';
|
|
O << "expcnt(" << Expcnt << ')';
|
|
NeedSpace = true;
|
|
}
|
|
|
|
if (Lgkmcnt != 0xF) {
|
|
if (NeedSpace)
|
|
O << ' ';
|
|
O << "lgkmcnt(" << Lgkmcnt << ')';
|
|
}
|
|
}
|
|
|
|
void AMDGPUInstPrinter::printHwreg(const MCInst *MI, unsigned OpNo,
|
|
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(";
|
|
if (ID_SYMBOLIC_FIRST_ <= Id && Id < ID_SYMBOLIC_LAST_) {
|
|
O << IdSymbolic[Id];
|
|
} else {
|
|
O << Id;
|
|
}
|
|
if (Width != WIDTH_M1_DEFAULT_ + 1 || Offset != OFFSET_DEFAULT_) {
|
|
O << ", " << Offset << ", " << Width;
|
|
}
|
|
O << ')';
|
|
}
|
|
|
|
#include "AMDGPUGenAsmWriter.inc"
|