#include "AMDGPUInstPrinter.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
+#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/Support/MathExtras.h"
using namespace llvm;
void AMDGPUInstPrinter::printInst(const MCInst *MI, raw_ostream &OS,
StringRef Annot) {
+ OS.flush();
printInstruction(MI, OS);
printAnnotation(OS, Annot);
}
+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,
+ raw_ostream &O) {
+ O << formatHex(MI->getOperand(OpNo).getImm() & 0xffff);
+}
+
+void AMDGPUInstPrinter::printU32ImmOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ O << formatHex(MI->getOperand(OpNo).getImm() & 0xffffffff);
+}
+
+void AMDGPUInstPrinter::printOffen(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ if (MI->getOperand(OpNo).getImm())
+ O << " offen";
+}
+
+void AMDGPUInstPrinter::printIdxen(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ if (MI->getOperand(OpNo).getImm())
+ O << " idxen";
+}
+
+void AMDGPUInstPrinter::printAddr64(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ if (MI->getOperand(OpNo).getImm())
+ O << " addr64";
+}
+
+void AMDGPUInstPrinter::printMBUFOffset(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ if (MI->getOperand(OpNo).getImm()) {
+ O << " offset:";
+ printU16ImmOperand(MI, OpNo, O);
+ }
+}
+
+void AMDGPUInstPrinter::printGLC(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ if (MI->getOperand(OpNo).getImm())
+ O << " glc";
+}
+
+void AMDGPUInstPrinter::printSLC(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ if (MI->getOperand(OpNo).getImm())
+ O << " slc";
+}
+
+void AMDGPUInstPrinter::printTFE(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ if (MI->getOperand(OpNo).getImm())
+ O << " tfe";
+}
+
+void AMDGPUInstPrinter::printRegOperand(unsigned reg, raw_ostream &O) {
+ switch (reg) {
+ 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::VCC_LO:
+ O << "vcc_lo";
+ return;
+ case AMDGPU::VCC_HI:
+ O << "vcc_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;
+ default:
+ break;
+ }
+
+ char Type;
+ unsigned NumRegs;
+
+ if (MRI.getRegClass(AMDGPU::VGPR_32RegClassID).contains(reg)) {
+ Type = 'v';
+ NumRegs = 1;
+ } else if (MRI.getRegClass(AMDGPU::SGPR_32RegClassID).contains(reg)) {
+ Type = 's';
+ NumRegs = 1;
+ } else if (MRI.getRegClass(AMDGPU::VReg_64RegClassID).contains(reg)) {
+ Type = 'v';
+ NumRegs = 2;
+ } else if (MRI.getRegClass(AMDGPU::SReg_64RegClassID).contains(reg)) {
+ Type = 's';
+ NumRegs = 2;
+ } else if (MRI.getRegClass(AMDGPU::VReg_128RegClassID).contains(reg)) {
+ Type = 'v';
+ NumRegs = 4;
+ } else if (MRI.getRegClass(AMDGPU::SReg_128RegClassID).contains(reg)) {
+ Type = 's';
+ NumRegs = 4;
+ } else if (MRI.getRegClass(AMDGPU::VReg_96RegClassID).contains(reg)) {
+ Type = 'v';
+ NumRegs = 3;
+ } else if (MRI.getRegClass(AMDGPU::VReg_256RegClassID).contains(reg)) {
+ Type = 'v';
+ NumRegs = 8;
+ } else if (MRI.getRegClass(AMDGPU::SReg_256RegClassID).contains(reg)) {
+ Type = 's';
+ NumRegs = 8;
+ } else if (MRI.getRegClass(AMDGPU::VReg_512RegClassID).contains(reg)) {
+ Type = 'v';
+ NumRegs = 16;
+ } else if (MRI.getRegClass(AMDGPU::SReg_512RegClassID).contains(reg)) {
+ Type = 's';
+ NumRegs = 16;
+ } else {
+ O << getRegisterName(reg);
+ return;
+ }
+
+ // The low 8 bits of the encoding value is the register index, for both VGPRs
+ // and SGPRs.
+ unsigned RegIdx = MRI.getEncodingValue(reg) & ((1 << 8) - 1);
+ if (NumRegs == 1) {
+ O << Type << RegIdx;
+ return;
+ }
+
+ O << Type << '[' << RegIdx << ':' << (RegIdx + NumRegs - 1) << ']';
+}
+
+void AMDGPUInstPrinter::printImmediate(uint32_t Imm, 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 {
+ O << formatHex(static_cast<uint64_t>(Imm));
+ }
+}
+
void AMDGPUInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
if (Op.isReg()) {
switch (Op.getReg()) {
// This is the default predicate state, so we don't need to print it.
- case AMDGPU::PRED_SEL_OFF: break;
- default: O << getRegisterName(Op.getReg()); break;
+ case AMDGPU::PRED_SEL_OFF:
+ break;
+
+ default:
+ printRegOperand(Op.getReg(), O);
+ break;
}
} else if (Op.isImm()) {
- O << Op.getImm();
+ printImmediate(Op.getImm(), O);
} else if (Op.isFPImm()) {
- O << Op.getFPImm();
+
+ // We special case 0.0 because otherwise it will be printed as an integer.
+ if (Op.getFPImm() == 0.0)
+ O << "0.0";
+ else
+ printImmediate(FloatToBits(Op.getFPImm()), O);
+ } else if (Op.isExpr()) {
+ const MCExpr *Exp = Op.getExpr();
+ Exp->print(O);
} else {
assert(!"unknown operand type in printOperand");
}
}
+void AMDGPUInstPrinter::printOperandAndMods(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ unsigned InputModifiers = MI->getOperand(OpNo).getImm();
+ if (InputModifiers & 0x1)
+ O << '-';
+ if (InputModifiers & 0x2)
+ O << '|';
+ printOperand(MI, OpNo + 1, O);
+ if (InputModifiers & 0x2)
+ O << '|';
+}
+
void AMDGPUInstPrinter::printInterpSlot(const MCInst *MI, unsigned OpNum,
raw_ostream &O) {
unsigned Imm = MI->getOperand(OpNum).getImm();
}
void AMDGPUInstPrinter::printIfSet(const MCInst *MI, unsigned OpNo,
- raw_ostream &O, StringRef Asm) {
+ 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::printLiteral(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
- union Literal {
- float f;
- int32_t i;
- } L;
-
- L.i = MI->getOperand(OpNo).getImm();
- O << L.i << "(" << L.f << ")";
+ int32_t Imm = MI->getOperand(OpNo).getImm();
+ O << Imm << '(' << BitsToFloat(Imm) << ')';
}
void AMDGPUInstPrinter::printLast(const MCInst *MI, unsigned OpNo,
raw_ostream &O) {
- printIfSet(MI, OpNo, O, " *");
+ printIfSet(MI, OpNo, O.indent(25 - O.GetNumBytesInBuffer()), "*", " ");
}
void AMDGPUInstPrinter::printNeg(const MCInst *MI, unsigned OpNo,
sel -= 512;
int cb = sel >> 12;
sel &= 4095;
- O << cb << "[" << sel << "]";
+ O << cb << '[' << sel << ']';
} else if (sel >= 448) {
sel -= 448;
O << sel;
}
if (sel >= 0)
- O << "." << chans[chan];
+ 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) {
+ unsigned SImm16 = MI->getOperand(OpNo).getImm();
+ unsigned Msg = SImm16 & 0xF;
+ if (Msg == 2 || Msg == 3) {
+ unsigned Op = (SImm16 >> 4) & 0xF;
+ if (Msg == 3)
+ O << "Gs_done(";
+ else
+ O << "Gs(";
+ if (Op == 0) {
+ O << "nop";
+ } else {
+ unsigned Stream = (SImm16 >> 8) & 0x3;
+ if (Op == 1)
+ O << "cut";
+ else if (Op == 2)
+ O << "emit";
+ else if (Op == 3)
+ O << "emit-cut";
+ O << " stream " << Stream;
+ }
+ O << "), [m0] ";
+ } else if (Msg == 1)
+ O << "interrupt ";
+ else if (Msg == 15)
+ O << "system ";
+ else
+ O << "unknown(" << Msg << ") ";
+}
+
+void AMDGPUInstPrinter::printWaitFlag(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ // Note: Mask values are taken from SIInsertWaits.cpp and not from ISA docs
+ // SIInsertWaits.cpp bits usage does not match ISA docs description but it
+ // works so it might be a misprint in docs.
+ unsigned SImm16 = MI->getOperand(OpNo).getImm();
+ unsigned Vmcnt = SImm16 & 0xF;
+ unsigned Expcnt = (SImm16 >> 4) & 0xF;
+ unsigned Lgkmcnt = (SImm16 >> 8) & 0xF;
+ if (Vmcnt != 0xF)
+ O << "vmcnt(" << Vmcnt << ") ";
+ if (Expcnt != 0x7)
+ O << "expcnt(" << Expcnt << ") ";
+ if (Lgkmcnt != 0x7)
+ O << "lgkmcnt(" << Lgkmcnt << ')';
}
#include "AMDGPUGenAsmWriter.inc"
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