)
add_subdirectory(TargetInfo)
+add_subdirectory(InstPrinter)
add_subdirectory(MCTargetDesc)
add_subdirectory(Disassembler)
};
}
-static const uint16_t IntRegDecoderTable[] = {
- Hexagon::R0, Hexagon::R1, Hexagon::R2, Hexagon::R3, Hexagon::R4,
- Hexagon::R5, Hexagon::R6, Hexagon::R7, Hexagon::R8, Hexagon::R9,
- Hexagon::R10, Hexagon::R11, Hexagon::R12, Hexagon::R13, Hexagon::R14,
- Hexagon::R15, Hexagon::R16, Hexagon::R17, Hexagon::R18, Hexagon::R19,
- Hexagon::R20, Hexagon::R21, Hexagon::R22, Hexagon::R23, Hexagon::R24,
- Hexagon::R25, Hexagon::R26, Hexagon::R27, Hexagon::R28, Hexagon::R29,
- Hexagon::R30, Hexagon::R31};
-
-static const uint16_t PredRegDecoderTable[] = {Hexagon::P0, Hexagon::P1,
- Hexagon::P2, Hexagon::P3};
-
-static DecodeStatus DecodeIntRegsRegisterClass(MCInst &Inst, unsigned RegNo,
- uint64_t /*Address*/,
- void const *Decoder) {
- if (RegNo > 31)
- return MCDisassembler::Fail;
-
- unsigned Register = IntRegDecoderTable[RegNo];
- Inst.addOperand(MCOperand::CreateReg(Register));
- return MCDisassembler::Success;
-}
-
-static DecodeStatus DecodePredRegsRegisterClass(MCInst &Inst, unsigned RegNo,
- uint64_t /*Address*/,
- void const *Decoder) {
- if (RegNo > 3)
- return MCDisassembler::Fail;
-
- unsigned Register = PredRegDecoderTable[RegNo];
- Inst.addOperand(MCOperand::CreateReg(Register));
- return MCDisassembler::Success;
-}
-
#include "HexagonGenDisassemblerTables.inc"
static MCDisassembler *createHexagonDisassembler(Target const &T,
#include "HexagonMachineFunctionInfo.h"
#include "HexagonSubtarget.h"
#include "HexagonTargetMachine.h"
-#include "MCTargetDesc/HexagonInstPrinter.h"
+#include "InstPrinter/HexagonInstPrinter.h"
#include "MCTargetDesc/HexagonMCInst.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
unsigned Size = BundleMIs.size();
assert((Size+IgnoreCount) == MI->getBundleSize() && "Corrupt Bundle!");
for (unsigned Index = 0; Index < Size; Index++) {
- HexagonMCInst MCI (BundleMIs[Index]->getOpcode());
- MCI.setPacketBegin(Index == 0);
+ HexagonMCInst MCI;
+ MCI.setPacketStart(Index == 0);
MCI.setPacketEnd(Index == (Size-1));
HexagonLowerToMC(BundleMIs[Index], MCI, *this);
}
}
else {
- HexagonMCInst MCI(MI->getOpcode());
+ HexagonMCInst MCI;
if (MI->getOpcode() == Hexagon::ENDLOOP0) {
- MCI.setPacketBegin(true);
+ MCI.setPacketStart(true);
MCI.setPacketEnd(true);
}
HexagonLowerToMC(MI, MCI, *this);
def HexagonWrapperCombineRR :
SDNode<"HexagonISD::WrapperCombineRR", SDTHexagonI64I32I32>;
-let hasSideEffects = 0, hasNewValue = 1, InputType = "reg" in
-class T_ALU32_3op<string mnemonic, bits<3> MajOp, bits<3> MinOp, bit OpsRev,
- bit IsComm>
- : ALU32_rr<(outs IntRegs:$Rd), (ins IntRegs:$Rs, IntRegs:$Rt),
- "$Rd = "#mnemonic#"($Rs, $Rt)",
- [], "", ALU32_3op_tc_1_SLOT0123>, ImmRegRel, PredRel {
- let isCommutable = IsComm;
- let BaseOpcode = mnemonic#_rr;
- let CextOpcode = mnemonic;
-
- bits<5> Rs;
- bits<5> Rt;
- bits<5> Rd;
-
- let IClass = 0b1111;
- let Inst{27} = 0b0;
- let Inst{26-24} = MajOp;
- let Inst{23-21} = MinOp;
- let Inst{20-16} = !if(OpsRev,Rt,Rs);
- let Inst{12-8} = !if(OpsRev,Rs,Rt);
- let Inst{4-0} = Rd;
-}
-
-let hasSideEffects = 0, hasNewValue = 1 in
-class T_ALU32_3op_pred<string mnemonic, bits<3> MajOp, bits<3> MinOp,
- bit OpsRev, bit PredNot, bit PredNew>
- : ALU32_rr<(outs IntRegs:$Rd), (ins PredRegs:$Pu, IntRegs:$Rs, IntRegs:$Rt),
- "if ("#!if(PredNot,"!","")#"$Pu"#!if(PredNew,".new","")#") "#
- "$Rd = "#mnemonic#"($Rs, $Rt)",
- [], "", ALU32_3op_tc_1_SLOT0123>, ImmRegRel, PredNewRel {
- let isPredicated = 1;
- let isPredicatedFalse = PredNot;
- let isPredicatedNew = PredNew;
- let BaseOpcode = mnemonic#_rr;
- let CextOpcode = mnemonic;
-
- bits<2> Pu;
- bits<5> Rs;
- bits<5> Rt;
- bits<5> Rd;
-
- let IClass = 0b1111;
- let Inst{27} = 0b1;
- let Inst{26-24} = MajOp;
- let Inst{23-21} = MinOp;
- let Inst{20-16} = !if(OpsRev,Rt,Rs);
- let Inst{13} = PredNew;
- let Inst{12-8} = !if(OpsRev,Rs,Rt);
- let Inst{7} = PredNot;
- let Inst{6-5} = Pu;
- let Inst{4-0} = Rd;
-}
-
-multiclass T_ALU32_3op_p<string mnemonic, bits<3> MajOp, bits<3> MinOp,
- bit OpsRev> {
- def t : T_ALU32_3op_pred<mnemonic, MajOp, MinOp, OpsRev, 0, 0>;
- def f : T_ALU32_3op_pred<mnemonic, MajOp, MinOp, OpsRev, 1, 0>;
- def tnew : T_ALU32_3op_pred<mnemonic, MajOp, MinOp, OpsRev, 0, 1>;
- def fnew : T_ALU32_3op_pred<mnemonic, MajOp, MinOp, OpsRev, 1, 1>;
-}
-
-multiclass T_ALU32_3op_A2<string mnemonic, bits<3> MajOp, bits<3> MinOp,
- bit OpsRev, bit IsComm> {
- let isPredicable = 1 in
- def A2_#NAME : T_ALU32_3op <mnemonic, MajOp, MinOp, OpsRev, IsComm>;
- defm A2_p#NAME : T_ALU32_3op_p<mnemonic, MajOp, MinOp, OpsRev>;
-}
-
-let isCodeGenOnly = 0 in
-defm add : T_ALU32_3op_A2<"add", 0b011, 0b000, 0, 1>;
-
multiclass ALU32_Pbase<string mnemonic, RegisterClass RC, bit isNot,
bit isPredNew> {
let isPredicatedNew = isPredNew in
using namespace llvm;
-static MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol,
- HexagonAsmPrinter &Printer) {
+static MCOperand GetSymbolRef(const MachineOperand& MO, const MCSymbol* Symbol,
+ HexagonAsmPrinter& Printer) {
MCContext &MC = Printer.OutContext;
const MCExpr *ME;
}
// Create an MCInst from a MachineInstr
-void llvm::HexagonLowerToMC(const MachineInstr *MI, HexagonMCInst &MCI,
- HexagonAsmPrinter &AP) {
- assert(MCI.getOpcode() == static_cast<unsigned>(MI->getOpcode()) &&
- "MCI opcode should have been set on construction");
+void llvm::HexagonLowerToMC(const MachineInstr* MI, HexagonMCInst& MCI,
+ HexagonAsmPrinter& AP) {
+ MCI.setOpcode(MI->getOpcode());
+ MCI.setDesc(MI->getDesc());
for (unsigned i = 0, e = MI->getNumOperands(); i < e; i++) {
const MachineOperand &MO = MI->getOperand(i);
llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
// Ignore all implicit register operands.
- if (MO.isImplicit())
- continue;
+ if (MO.isImplicit()) continue;
MCO = MCOperand::CreateReg(MO.getReg());
break;
case MachineOperand::MO_FPImmediate: {
MCO = MCOperand::CreateImm(MO.getImm());
break;
case MachineOperand::MO_MachineBasicBlock:
- MCO = MCOperand::CreateExpr(
- MCSymbolRefExpr::Create(MO.getMBB()->getSymbol(), AP.OutContext));
+ MCO = MCOperand::CreateExpr
+ (MCSymbolRefExpr::Create(MO.getMBB()->getSymbol(),
+ AP.OutContext));
break;
case MachineOperand::MO_GlobalAddress:
MCO = GetSymbolRef(MO, AP.getSymbol(MO.getGlobal()), AP);
break;
case MachineOperand::MO_ExternalSymbol:
- MCO =
- GetSymbolRef(MO, AP.GetExternalSymbolSymbol(MO.getSymbolName()), AP);
+ MCO = GetSymbolRef(MO, AP.GetExternalSymbolSymbol(MO.getSymbolName()),
+ AP);
break;
case MachineOperand::MO_JumpTableIndex:
MCO = GetSymbolRef(MO, AP.GetJTISymbol(MO.getIndex()), AP);
MCO = GetSymbolRef(MO, AP.GetCPISymbol(MO.getIndex()), AP);
break;
case MachineOperand::MO_BlockAddress:
- MCO =
- GetSymbolRef(MO, AP.GetBlockAddressSymbol(MO.getBlockAddress()), AP);
+ MCO = GetSymbolRef(MO, AP.GetBlockAddressSymbol(MO.getBlockAddress()),AP);
break;
}
--- /dev/null
+add_llvm_library(LLVMHexagonAsmPrinter
+ HexagonInstPrinter.cpp
+ )
--- /dev/null
+//===- HexagonInstPrinter.cpp - Convert Hexagon MCInst to assembly syntax -===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class prints an Hexagon MCInst to a .s file.
+//
+//===----------------------------------------------------------------------===//
+
+#include "HexagonAsmPrinter.h"
+#include "Hexagon.h"
+#include "HexagonInstPrinter.h"
+#include "MCTargetDesc/HexagonMCInst.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "asm-printer"
+
+#define GET_INSTRUCTION_NAME
+#include "HexagonGenAsmWriter.inc"
+
+const char HexagonInstPrinter::PacketPadding = '\t';
+// Return the minimum value that a constant extendable operand can have
+// without being extended.
+static int getMinValue(uint64_t TSFlags) {
+ unsigned isSigned =
+ (TSFlags >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
+ unsigned bits =
+ (TSFlags >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
+
+ if (isSigned)
+ return -1U << (bits - 1);
+
+ return 0;
+}
+
+// Return the maximum value that a constant extendable operand can have
+// without being extended.
+static int getMaxValue(uint64_t TSFlags) {
+ unsigned isSigned =
+ (TSFlags >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
+ unsigned bits =
+ (TSFlags >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
+
+ if (isSigned)
+ return ~(-1U << (bits - 1));
+
+ return ~(-1U << bits);
+}
+
+// Return true if the instruction must be extended.
+static bool isExtended(uint64_t TSFlags) {
+ return (TSFlags >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask;
+}
+
+// Currently just used in an assert statement
+static bool isExtendable(uint64_t TSFlags) LLVM_ATTRIBUTE_UNUSED;
+// Return true if the instruction may be extended based on the operand value.
+static bool isExtendable(uint64_t TSFlags) {
+ return (TSFlags >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask;
+}
+
+StringRef HexagonInstPrinter::getOpcodeName(unsigned Opcode) const {
+ return MII.getName(Opcode);
+}
+
+StringRef HexagonInstPrinter::getRegName(unsigned RegNo) const {
+ return getRegisterName(RegNo);
+}
+
+void HexagonInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
+ StringRef Annot) {
+ printInst((const HexagonMCInst*)(MI), O, Annot);
+}
+
+void HexagonInstPrinter::printInst(const HexagonMCInst *MI, raw_ostream &O,
+ StringRef Annot) {
+ const char startPacket = '{',
+ endPacket = '}';
+ // TODO: add outer HW loop when it's supported too.
+ if (MI->getOpcode() == Hexagon::ENDLOOP0) {
+ // Ending a harware loop is different from ending an regular packet.
+ assert(MI->isPacketEnd() && "Loop-end must also end the packet");
+
+ if (MI->isPacketStart()) {
+ // There must be a packet to end a loop.
+ // FIXME: when shuffling is always run, this shouldn't be needed.
+ HexagonMCInst Nop;
+ StringRef NoAnnot;
+
+ Nop.setOpcode (Hexagon::NOP);
+ Nop.setPacketStart (MI->isPacketStart());
+ printInst (&Nop, O, NoAnnot);
+ }
+
+ // Close the packet.
+ if (MI->isPacketEnd())
+ O << PacketPadding << endPacket;
+
+ printInstruction(MI, O);
+ }
+ else {
+ // Prefix the insn opening the packet.
+ if (MI->isPacketStart())
+ O << PacketPadding << startPacket << '\n';
+
+ printInstruction(MI, O);
+
+ // Suffix the insn closing the packet.
+ if (MI->isPacketEnd())
+ // Suffix the packet in a new line always, since the GNU assembler has
+ // issues with a closing brace on the same line as CONST{32,64}.
+ O << '\n' << PacketPadding << endPacket;
+ }
+
+ printAnnotation(O, Annot);
+}
+
+void HexagonInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ const MCOperand& MO = MI->getOperand(OpNo);
+
+ if (MO.isReg()) {
+ O << getRegisterName(MO.getReg());
+ } else if(MO.isExpr()) {
+ O << *MO.getExpr();
+ } else if(MO.isImm()) {
+ printImmOperand(MI, OpNo, O);
+ } else {
+ llvm_unreachable("Unknown operand");
+ }
+}
+
+void HexagonInstPrinter::printImmOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ const MCOperand& MO = MI->getOperand(OpNo);
+
+ if(MO.isExpr()) {
+ O << *MO.getExpr();
+ } else if(MO.isImm()) {
+ O << MI->getOperand(OpNo).getImm();
+ } else {
+ llvm_unreachable("Unknown operand");
+ }
+}
+
+void HexagonInstPrinter::printExtOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ const MCOperand &MO = MI->getOperand(OpNo);
+ const MCInstrDesc &MII = getMII().get(MI->getOpcode());
+
+ assert((isExtendable(MII.TSFlags) || isExtended(MII.TSFlags)) &&
+ "Expecting an extendable operand");
+
+ if (MO.isExpr() || isExtended(MII.TSFlags)) {
+ O << "#";
+ } else if (MO.isImm()) {
+ int ImmValue = MO.getImm();
+ if (ImmValue < getMinValue(MII.TSFlags) ||
+ ImmValue > getMaxValue(MII.TSFlags))
+ O << "#";
+ }
+ printOperand(MI, OpNo, O);
+}
+
+void HexagonInstPrinter::printUnsignedImmOperand(const MCInst *MI,
+ unsigned OpNo, raw_ostream &O) const {
+ O << MI->getOperand(OpNo).getImm();
+}
+
+void HexagonInstPrinter::printNegImmOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ O << -MI->getOperand(OpNo).getImm();
+}
+
+void HexagonInstPrinter::printNOneImmOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ O << -1;
+}
+
+void HexagonInstPrinter::printMEMriOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ const MCOperand& MO0 = MI->getOperand(OpNo);
+ const MCOperand& MO1 = MI->getOperand(OpNo + 1);
+
+ O << getRegisterName(MO0.getReg());
+ O << " + #" << MO1.getImm();
+}
+
+void HexagonInstPrinter::printFrameIndexOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ const MCOperand& MO0 = MI->getOperand(OpNo);
+ const MCOperand& MO1 = MI->getOperand(OpNo + 1);
+
+ O << getRegisterName(MO0.getReg()) << ", #" << MO1.getImm();
+}
+
+void HexagonInstPrinter::printGlobalOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ assert(MI->getOperand(OpNo).isExpr() && "Expecting expression");
+
+ printOperand(MI, OpNo, O);
+}
+
+void HexagonInstPrinter::printJumpTable(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ assert(MI->getOperand(OpNo).isExpr() && "Expecting expression");
+
+ printOperand(MI, OpNo, O);
+}
+
+void HexagonInstPrinter::printConstantPool(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ assert(MI->getOperand(OpNo).isExpr() && "Expecting expression");
+
+ printOperand(MI, OpNo, O);
+}
+
+void HexagonInstPrinter::printBranchOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+ // Branches can take an immediate operand. This is used by the branch
+ // selection pass to print $+8, an eight byte displacement from the PC.
+ llvm_unreachable("Unknown branch operand.");
+}
+
+void HexagonInstPrinter::printCallOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+}
+
+void HexagonInstPrinter::printAbsAddrOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+}
+
+void HexagonInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const {
+}
+
+void HexagonInstPrinter::printSymbol(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O, bool hi) const {
+ assert(MI->getOperand(OpNo).isImm() && "Unknown symbol operand");
+
+ O << '#' << (hi ? "HI" : "LO") << "(#";
+ printOperand(MI, OpNo, O);
+ O << ')';
+}
--- /dev/null
+//===-- HexagonInstPrinter.h - Convert Hexagon MCInst to assembly syntax --===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class prints an Hexagon MCInst to a .s file.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_HEXAGON_INSTPRINTER_HEXAGONINSTPRINTER_H
+#define LLVM_LIB_TARGET_HEXAGON_INSTPRINTER_HEXAGONINSTPRINTER_H
+
+#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCInstrInfo.h"
+
+namespace llvm {
+ class HexagonMCInst;
+
+ class HexagonInstPrinter : public MCInstPrinter {
+ public:
+ explicit HexagonInstPrinter(const MCAsmInfo &MAI,
+ const MCInstrInfo &MII,
+ const MCRegisterInfo &MRI)
+ : MCInstPrinter(MAI, MII, MRI), MII(MII) {}
+
+ void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot) override;
+ void printInst(const HexagonMCInst *MI, raw_ostream &O, StringRef Annot);
+ virtual StringRef getOpcodeName(unsigned Opcode) const;
+ void printInstruction(const MCInst *MI, raw_ostream &O);
+ StringRef getRegName(unsigned RegNo) const;
+ static const char *getRegisterName(unsigned RegNo);
+
+ void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) const;
+ void printImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) const;
+ void printExtOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) const;
+ void printUnsignedImmOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const;
+ void printNegImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
+ const;
+ void printNOneImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
+ const;
+ void printMEMriOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
+ const;
+ void printFrameIndexOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const;
+ void printBranchOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
+ const;
+ void printCallOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
+ const;
+ void printAbsAddrOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
+ const;
+ void printPredicateOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
+ const;
+ void printGlobalOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
+ const;
+ void printJumpTable(const MCInst *MI, unsigned OpNo, raw_ostream &O) const;
+
+ void printConstantPool(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) const;
+
+ void printSymbolHi(const MCInst *MI, unsigned OpNo, raw_ostream &O) const
+ { printSymbol(MI, OpNo, O, true); }
+ void printSymbolLo(const MCInst *MI, unsigned OpNo, raw_ostream &O) const
+ { printSymbol(MI, OpNo, O, false); }
+
+ const MCInstrInfo &getMII() const {
+ return MII;
+ }
+
+ protected:
+ void printSymbol(const MCInst *MI, unsigned OpNo, raw_ostream &O, bool hi)
+ const;
+
+ static const char PacketPadding;
+
+ private:
+ const MCInstrInfo &MII;
+
+ };
+
+} // end namespace llvm
+
+#endif
--- /dev/null
+;===- ./lib/Target/Hexagon/InstPrinter/LLVMBuild.txt -----------*- Conf -*--===;
+;
+; The LLVM Compiler Infrastructure
+;
+; This file is distributed under the University of Illinois Open Source
+; License. See LICENSE.TXT for details.
+;
+;===------------------------------------------------------------------------===;
+;
+; This is an LLVMBuild description file for the components in this subdirectory.
+;
+; For more information on the LLVMBuild system, please see:
+;
+; http://llvm.org/docs/LLVMBuild.html
+;
+;===------------------------------------------------------------------------===;
+
+[component_0]
+type = Library
+name = HexagonAsmPrinter
+parent = Hexagon
+required_libraries = MC Support
+add_to_library_groups = Hexagon
--- /dev/null
+##===- lib/Target/Hexagon/InstPrinter/Makefile ----------------------------===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+LEVEL = ../../../..
+LIBRARYNAME = LLVMHexagonAsmPrinter
+
+# Hack: we need to include 'main' Hexagon target directory to grab private headers
+CPPFLAGS = -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
+
+include $(LEVEL)/Makefile.common
;===------------------------------------------------------------------------===;
[common]
-subdirectories = Disassembler MCTargetDesc TargetInfo
+subdirectories = Disassembler InstPrinter MCTargetDesc TargetInfo
[component_0]
type = TargetGroup
type = Library
name = HexagonCodeGen
parent = Hexagon
-required_libraries = Analysis AsmPrinter CodeGen Core HexagonDesc HexagonInfo MC SelectionDAG Support Target
+required_libraries = Analysis AsmPrinter CodeGen Core HexagonAsmPrinter HexagonDesc HexagonInfo MC SelectionDAG Support Target
add_to_library_groups = Hexagon
add_llvm_library(LLVMHexagonDesc
- HexagonInstPrinter.cpp
HexagonMCAsmInfo.cpp
HexagonMCCodeEmitter.cpp
HexagonMCInst.cpp
+++ /dev/null
-//===- HexagonInstPrinter.cpp - Convert Hexagon MCInst to assembly syntax -===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class prints an Hexagon MCInst to a .s file.
-//
-//===----------------------------------------------------------------------===//
-
-#include "HexagonAsmPrinter.h"
-#include "Hexagon.h"
-#include "HexagonInstPrinter.h"
-#include "MCTargetDesc/HexagonMCInst.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCInst.h"
-#include "llvm/Support/raw_ostream.h"
-
-using namespace llvm;
-
-#define DEBUG_TYPE "asm-printer"
-
-#define GET_INSTRUCTION_NAME
-#include "HexagonGenAsmWriter.inc"
-
-const char HexagonInstPrinter::PacketPadding = '\t';
-// Return the minimum value that a constant extendable operand can have
-// without being extended.
-static int getMinValue(uint64_t TSFlags) {
- unsigned isSigned =
- (TSFlags >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
- unsigned bits =
- (TSFlags >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
-
- if (isSigned)
- return -1U << (bits - 1);
-
- return 0;
-}
-
-// Return the maximum value that a constant extendable operand can have
-// without being extended.
-static int getMaxValue(uint64_t TSFlags) {
- unsigned isSigned =
- (TSFlags >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
- unsigned bits =
- (TSFlags >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
-
- if (isSigned)
- return ~(-1U << (bits - 1));
-
- return ~(-1U << bits);
-}
-
-// Return true if the instruction must be extended.
-static bool isExtended(uint64_t TSFlags) {
- return (TSFlags >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask;
-}
-
-// Currently just used in an assert statement
-static bool isExtendable(uint64_t TSFlags) LLVM_ATTRIBUTE_UNUSED;
-// Return true if the instruction may be extended based on the operand value.
-static bool isExtendable(uint64_t TSFlags) {
- return (TSFlags >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask;
-}
-
-StringRef HexagonInstPrinter::getOpcodeName(unsigned Opcode) const {
- return MII.getName(Opcode);
-}
-
-StringRef HexagonInstPrinter::getRegName(unsigned RegNo) const {
- return getRegisterName(RegNo);
-}
-
-void HexagonInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
- StringRef Annot) {
- printInst((const HexagonMCInst*)(MI), O, Annot);
-}
-
-void HexagonInstPrinter::printInst(const HexagonMCInst *MI, raw_ostream &O,
- StringRef Annot) {
- const char startPacket = '{',
- endPacket = '}';
- // TODO: add outer HW loop when it's supported too.
- if (MI->getOpcode() == Hexagon::ENDLOOP0) {
- // Ending a harware loop is different from ending an regular packet.
- assert(MI->isPacketEnd() && "Loop-end must also end the packet");
-
- if (MI->isPacketBegin()) {
- // There must be a packet to end a loop.
- // FIXME: when shuffling is always run, this shouldn't be needed.
- HexagonMCInst Nop (Hexagon::NOP);
- StringRef NoAnnot;
-
- Nop.setPacketBegin (MI->isPacketBegin());
- printInst (&Nop, O, NoAnnot);
- }
-
- // Close the packet.
- if (MI->isPacketEnd())
- O << PacketPadding << endPacket;
-
- printInstruction(MI, O);
- }
- else {
- // Prefix the insn opening the packet.
- if (MI->isPacketBegin())
- O << PacketPadding << startPacket << '\n';
-
- printInstruction(MI, O);
-
- // Suffix the insn closing the packet.
- if (MI->isPacketEnd())
- // Suffix the packet in a new line always, since the GNU assembler has
- // issues with a closing brace on the same line as CONST{32,64}.
- O << '\n' << PacketPadding << endPacket;
- }
-
- printAnnotation(O, Annot);
-}
-
-void HexagonInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- const MCOperand& MO = MI->getOperand(OpNo);
-
- if (MO.isReg()) {
- O << getRegisterName(MO.getReg());
- } else if(MO.isExpr()) {
- O << *MO.getExpr();
- } else if(MO.isImm()) {
- printImmOperand(MI, OpNo, O);
- } else {
- llvm_unreachable("Unknown operand");
- }
-}
-
-void HexagonInstPrinter::printImmOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- const MCOperand& MO = MI->getOperand(OpNo);
-
- if(MO.isExpr()) {
- O << *MO.getExpr();
- } else if(MO.isImm()) {
- O << MI->getOperand(OpNo).getImm();
- } else {
- llvm_unreachable("Unknown operand");
- }
-}
-
-void HexagonInstPrinter::printExtOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- const MCOperand &MO = MI->getOperand(OpNo);
- const MCInstrDesc &MII = getMII().get(MI->getOpcode());
-
- assert((isExtendable(MII.TSFlags) || isExtended(MII.TSFlags)) &&
- "Expecting an extendable operand");
-
- if (MO.isExpr() || isExtended(MII.TSFlags)) {
- O << "#";
- } else if (MO.isImm()) {
- int ImmValue = MO.getImm();
- if (ImmValue < getMinValue(MII.TSFlags) ||
- ImmValue > getMaxValue(MII.TSFlags))
- O << "#";
- }
- printOperand(MI, OpNo, O);
-}
-
-void HexagonInstPrinter::printUnsignedImmOperand(const MCInst *MI,
- unsigned OpNo, raw_ostream &O) const {
- O << MI->getOperand(OpNo).getImm();
-}
-
-void HexagonInstPrinter::printNegImmOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- O << -MI->getOperand(OpNo).getImm();
-}
-
-void HexagonInstPrinter::printNOneImmOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- O << -1;
-}
-
-void HexagonInstPrinter::printMEMriOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- const MCOperand& MO0 = MI->getOperand(OpNo);
- const MCOperand& MO1 = MI->getOperand(OpNo + 1);
-
- O << getRegisterName(MO0.getReg());
- O << " + #" << MO1.getImm();
-}
-
-void HexagonInstPrinter::printFrameIndexOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- const MCOperand& MO0 = MI->getOperand(OpNo);
- const MCOperand& MO1 = MI->getOperand(OpNo + 1);
-
- O << getRegisterName(MO0.getReg()) << ", #" << MO1.getImm();
-}
-
-void HexagonInstPrinter::printGlobalOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- assert(MI->getOperand(OpNo).isExpr() && "Expecting expression");
-
- printOperand(MI, OpNo, O);
-}
-
-void HexagonInstPrinter::printJumpTable(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- assert(MI->getOperand(OpNo).isExpr() && "Expecting expression");
-
- printOperand(MI, OpNo, O);
-}
-
-void HexagonInstPrinter::printConstantPool(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- assert(MI->getOperand(OpNo).isExpr() && "Expecting expression");
-
- printOperand(MI, OpNo, O);
-}
-
-void HexagonInstPrinter::printBranchOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
- // Branches can take an immediate operand. This is used by the branch
- // selection pass to print $+8, an eight byte displacement from the PC.
- llvm_unreachable("Unknown branch operand.");
-}
-
-void HexagonInstPrinter::printCallOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
-}
-
-void HexagonInstPrinter::printAbsAddrOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
-}
-
-void HexagonInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const {
-}
-
-void HexagonInstPrinter::printSymbol(const MCInst *MI, unsigned OpNo,
- raw_ostream &O, bool hi) const {
- assert(MI->getOperand(OpNo).isImm() && "Unknown symbol operand");
-
- O << '#' << (hi ? "HI" : "LO") << "(#";
- printOperand(MI, OpNo, O);
- O << ')';
-}
+++ /dev/null
-//===-- HexagonInstPrinter.h - Convert Hexagon MCInst to assembly syntax --===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class prints an Hexagon MCInst to a .s file.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TARGET_HEXAGON_INSTPRINTER_HEXAGONINSTPRINTER_H
-#define LLVM_LIB_TARGET_HEXAGON_INSTPRINTER_HEXAGONINSTPRINTER_H
-
-#include "llvm/MC/MCInstPrinter.h"
-#include "llvm/MC/MCInstrInfo.h"
-
-namespace llvm {
- class HexagonMCInst;
-
- class HexagonInstPrinter : public MCInstPrinter {
- public:
- explicit HexagonInstPrinter(const MCAsmInfo &MAI,
- const MCInstrInfo &MII,
- const MCRegisterInfo &MRI)
- : MCInstPrinter(MAI, MII, MRI), MII(MII) {}
-
- void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot) override;
- void printInst(const HexagonMCInst *MI, raw_ostream &O, StringRef Annot);
- virtual StringRef getOpcodeName(unsigned Opcode) const;
- void printInstruction(const MCInst *MI, raw_ostream &O);
- StringRef getRegName(unsigned RegNo) const;
- static const char *getRegisterName(unsigned RegNo);
-
- void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) const;
- void printImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) const;
- void printExtOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) const;
- void printUnsignedImmOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const;
- void printNegImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
- const;
- void printNOneImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
- const;
- void printMEMriOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
- const;
- void printFrameIndexOperand(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const;
- void printBranchOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
- const;
- void printCallOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
- const;
- void printAbsAddrOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
- const;
- void printPredicateOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
- const;
- void printGlobalOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
- const;
- void printJumpTable(const MCInst *MI, unsigned OpNo, raw_ostream &O) const;
-
- void printConstantPool(const MCInst *MI, unsigned OpNo,
- raw_ostream &O) const;
-
- void printSymbolHi(const MCInst *MI, unsigned OpNo, raw_ostream &O) const
- { printSymbol(MI, OpNo, O, true); }
- void printSymbolLo(const MCInst *MI, unsigned OpNo, raw_ostream &O) const
- { printSymbol(MI, OpNo, O, false); }
-
- const MCInstrInfo &getMII() const {
- return MII;
- }
-
- protected:
- void printSymbol(const MCInst *MI, unsigned OpNo, raw_ostream &O, bool hi)
- const;
-
- static const char PacketPadding;
-
- private:
- const MCInstrInfo &MII;
-
- };
-
-} // end namespace llvm
-
-#endif
uint32_t getPacketBits(HexagonMCInst const &HMI) {
unsigned const ParseFieldOffset = 14;
ParseField Field = HMI.isPacketEnd() ? ParseField::end : ParseField::last0;
- return static_cast<uint32_t>(Field) << ParseFieldOffset;
+ return static_cast <uint32_t> (Field) << ParseFieldOffset;
}
void emitLittleEndian(uint64_t Binary, raw_ostream &OS) {
OS << static_cast<uint8_t>((Binary >> 0x00) & 0xff);
SmallVectorImpl<MCFixup> &Fixups,
MCSubtargetInfo const &STI) const {
HexagonMCInst const &HMB = static_cast<HexagonMCInst const &>(MI);
- uint64_t Binary =
- getBinaryCodeForInstr(HMB, Fixups, STI) | getPacketBits(HMB);
- Binary |= getPacketBits(HMB);
+ uint64_t Binary = getBinaryCodeForInstr(HMB, Fixups, STI) | getPacketBits(HMB);
+ assert(HMB.getDesc().getSize() == 4 && "All instructions should be 32bit");
emitLittleEndian(Binary, OS);
++MCNumEmitted;
}
//===----------------------------------------------------------------------===//
#include "HexagonInstrInfo.h"
-#include "HexagonTargetMachine.h"
#include "MCTargetDesc/HexagonBaseInfo.h"
#include "MCTargetDesc/HexagonMCInst.h"
#include "MCTargetDesc/HexagonMCTargetDesc.h"
-#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
-HexagonMCInst::HexagonMCInst(unsigned op)
- : packetBegin(false), packetEnd(false),
- MCID(llvm::TheHexagonTarget.createMCInstrInfo()->get(op)) {
- assert(MCID.getSize() == 4 && "All instructions should be 32bit");
- setOpcode(op);
+// Return the slots used by the insn.
+unsigned HexagonMCInst::getUnits(const HexagonTargetMachine* TM) const {
+ const HexagonInstrInfo *QII = TM->getSubtargetImpl()->getInstrInfo();
+ const InstrItineraryData *II =
+ TM->getSubtargetImpl()->getInstrItineraryData();
+ const InstrStage*
+ IS = II->beginStage(QII->get(this->getOpcode()).getSchedClass());
+
+ return (IS->getUnits());
}
-bool HexagonMCInst::isPacketBegin() const { return packetBegin; }
-bool HexagonMCInst::isPacketEnd() const { return packetEnd; }
-void HexagonMCInst::setPacketEnd(bool Y) { packetEnd = Y; }
-void HexagonMCInst::setPacketBegin(bool Y) { packetBegin = Y; }
+// Return the Hexagon ISA class for the insn.
+unsigned HexagonMCInst::getType() const {
+ const uint64_t F = MCID->TSFlags;
-unsigned HexagonMCInst::getUnits(HexagonTargetMachine const &TM) const {
- const HexagonInstrInfo *QII = TM.getSubtargetImpl()->getInstrInfo();
- const InstrItineraryData *II = TM.getSubtargetImpl()->getInstrItineraryData();
- const InstrStage *IS =
- II->beginStage(QII->get(this->getOpcode()).getSchedClass());
+ return ((F >> HexagonII::TypePos) & HexagonII::TypeMask);
+}
- return (IS->getUnits());
+// Return whether the insn is an actual insn.
+bool HexagonMCInst::isCanon() const {
+ return (!MCID->isPseudo() &&
+ !isPrefix() &&
+ getType() != HexagonII::TypeENDLOOP);
}
+// Return whether the insn is a prefix.
+bool HexagonMCInst::isPrefix() const {
+ return (getType() == HexagonII::TypePREFIX);
+}
+
+// Return whether the insn is solo, i.e., cannot be in a packet.
+bool HexagonMCInst::isSolo() const {
+ const uint64_t F = MCID->TSFlags;
+ return ((F >> HexagonII::SoloPos) & HexagonII::SoloMask);
+}
+
+// Return whether the insn is a new-value consumer.
bool HexagonMCInst::isNewValue() const {
- const uint64_t F = MCID.TSFlags;
+ const uint64_t F = MCID->TSFlags;
return ((F >> HexagonII::NewValuePos) & HexagonII::NewValueMask);
}
+// Return whether the instruction is a legal new-value producer.
bool HexagonMCInst::hasNewValue() const {
- const uint64_t F = MCID.TSFlags;
+ const uint64_t F = MCID->TSFlags;
return ((F >> HexagonII::hasNewValuePos) & HexagonII::hasNewValueMask);
}
-MCOperand const &HexagonMCInst::getNewValue() const {
- const uint64_t F = MCID.TSFlags;
- const unsigned O =
- (F >> HexagonII::NewValueOpPos) & HexagonII::NewValueOpMask;
- const MCOperand &MCO = getOperand(O);
+// Return the operand that consumes or produces a new value.
+const MCOperand& HexagonMCInst::getNewValue() const {
+ const uint64_t F = MCID->TSFlags;
+ const unsigned O = (F >> HexagonII::NewValueOpPos) &
+ HexagonII::NewValueOpMask;
+ const MCOperand& MCO = getOperand(O);
- assert((isNewValue() || hasNewValue()) && MCO.isReg());
+ assert ((isNewValue() || hasNewValue()) && MCO.isReg());
return (MCO);
}
// 2) For immediate extended operands, return true only if the value is
// out-of-range.
// 3) For global address, always return true.
+
bool HexagonMCInst::isConstExtended(void) const {
if (isExtended())
return true;
return false;
short ExtOpNum = getCExtOpNum();
- int MinValue = getMinValue();
- int MaxValue = getMaxValue();
- const MCOperand &MO = getOperand(ExtOpNum);
+ int MinValue = getMinValue();
+ int MaxValue = getMaxValue();
+ const MCOperand& MO = getOperand(ExtOpNum);
// We could be using an instruction with an extendable immediate and shoehorn
// a global address into it. If it is a global address it will be constant
return (ImmValue < MinValue || ImmValue > MaxValue);
}
+// Return whether the instruction must be always extended.
bool HexagonMCInst::isExtended(void) const {
- const uint64_t F = MCID.TSFlags;
+ const uint64_t F = MCID->TSFlags;
return (F >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask;
}
+// Return true if the instruction may be extended based on the operand value.
bool HexagonMCInst::isExtendable(void) const {
- const uint64_t F = MCID.TSFlags;
+ const uint64_t F = MCID->TSFlags;
return (F >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask;
}
+// Return number of bits in the constant extended operand.
unsigned HexagonMCInst::getBitCount(void) const {
- const uint64_t F = MCID.TSFlags;
+ const uint64_t F = MCID->TSFlags;
return ((F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask);
}
+// Return constant extended operand number.
unsigned short HexagonMCInst::getCExtOpNum(void) const {
- const uint64_t F = MCID.TSFlags;
+ const uint64_t F = MCID->TSFlags;
return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask);
}
+// Return whether the operand can be constant extended.
bool HexagonMCInst::isOperandExtended(const unsigned short OperandNum) const {
- const uint64_t F = MCID.TSFlags;
- return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask) ==
- OperandNum;
+ const uint64_t F = MCID->TSFlags;
+ return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask)
+ == OperandNum;
}
+// Return the min value that a constant extendable operand can have
+// without being extended.
int HexagonMCInst::getMinValue(void) const {
- const uint64_t F = MCID.TSFlags;
- unsigned isSigned =
- (F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
- unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
+ const uint64_t F = MCID->TSFlags;
+ unsigned isSigned = (F >> HexagonII::ExtentSignedPos)
+ & HexagonII::ExtentSignedMask;
+ unsigned bits = (F >> HexagonII::ExtentBitsPos)
+ & HexagonII::ExtentBitsMask;
- if (isSigned)
+ if (isSigned) // if value is signed
return -1U << (bits - 1);
else
return 0;
}
+// Return the max value that a constant extendable operand can have
+// without being extended.
int HexagonMCInst::getMaxValue(void) const {
- const uint64_t F = MCID.TSFlags;
- unsigned isSigned =
- (F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask;
- unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask;
+ const uint64_t F = MCID->TSFlags;
+ unsigned isSigned = (F >> HexagonII::ExtentSignedPos)
+ & HexagonII::ExtentSignedMask;
+ unsigned bits = (F >> HexagonII::ExtentBitsPos)
+ & HexagonII::ExtentBitsMask;
- if (isSigned)
+ if (isSigned) // if value is signed
return ~(-1U << (bits - 1));
else
return ~(-1U << bits);
#ifndef LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCINST_H
#define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCINST_H
+#include "HexagonTargetMachine.h"
#include "llvm/MC/MCInst.h"
namespace llvm {
-class MCInstrDesc;
-class MCOperand;
-class HexagonTargetMachine;
-
-class HexagonMCInst : public MCInst {
-public:
- explicit HexagonMCInst(unsigned op);
-
- /// 10.6 Instruction Packets
- bool isPacketBegin() const;
- /// \brief Is this marked as last in packet.
- bool isPacketEnd() const;
- void setPacketBegin(bool Y);
- /// \brief Mark this as last in packet.
- void setPacketEnd(bool Y);
- /// \brief Return the slots used.
- unsigned getUnits(HexagonTargetMachine const &TM) const;
- bool isConstExtended() const;
- /// \brief Return constant extended operand number.
- unsigned short getCExtOpNum(void) const;
- /// \brief Return whether this is a new-value consumer.
- bool isNewValue() const;
- /// \brief Return whether this is a legal new-value producer.
- bool hasNewValue() const;
- /// \brief Return the operand that consumes or produces a new value.
- MCOperand const &getNewValue() const;
- /// \brief Return number of bits in the constant extended operand.
- unsigned getBitCount(void) const;
-
-private:
- /// \brief Return whether this must be always extended.
- bool isExtended() const;
- /// \brief Return true if this may be extended based on the operand value.
- bool isExtendable() const;
- /// \brief Return if the operand can be constant extended.
- bool isOperandExtended(unsigned short const OperandNum) const;
- /// \brief Return the min value that a constant extendable operand can have
- /// without being extended.
- int getMinValue() const;
- /// \brief Return the max value that a constant extendable operand can have
- /// without being extended.
- int getMaxValue() const;
- bool packetBegin;
- bool packetEnd;
- MCInstrDesc const &MCID;
-};
+ class MCOperand;
+
+ class HexagonMCInst: public MCInst {
+ // MCID is set during instruction lowering.
+ // It is needed in order to access TSFlags for
+ // use in checking MC instruction properties.
+ const MCInstrDesc *MCID;
+
+ // Packet start and end markers
+ unsigned packetStart: 1, packetEnd: 1;
+
+ public:
+ explicit HexagonMCInst():
+ MCInst(), MCID(nullptr), packetStart(0), packetEnd(0) {};
+ HexagonMCInst(const MCInstrDesc& mcid):
+ MCInst(), MCID(&mcid), packetStart(0), packetEnd(0) {};
+
+ bool isPacketStart() const { return (packetStart); };
+ bool isPacketEnd() const { return (packetEnd); };
+ void setPacketStart(bool Y) { packetStart = Y; };
+ void setPacketEnd(bool Y) { packetEnd = Y; };
+ void resetPacket() { setPacketStart(false); setPacketEnd(false); };
+
+ // Return the slots used by the insn.
+ unsigned getUnits(const HexagonTargetMachine* TM) const;
+
+ // Return the Hexagon ISA class for the insn.
+ unsigned getType() const;
+
+ void setDesc(const MCInstrDesc& mcid) { MCID = &mcid; };
+ const MCInstrDesc& getDesc(void) const { return *MCID; };
+
+ // Return whether the insn is an actual insn.
+ bool isCanon() const;
+
+ // Return whether the insn is a prefix.
+ bool isPrefix() const;
+
+ // Return whether the insn is solo, i.e., cannot be in a packet.
+ bool isSolo() const;
+
+ // Return whether the instruction needs to be constant extended.
+ bool isConstExtended() const;
+
+ // Return constant extended operand number.
+ unsigned short getCExtOpNum(void) const;
+
+ // Return whether the insn is a new-value consumer.
+ bool isNewValue() const;
+
+ // Return whether the instruction is a legal new-value producer.
+ bool hasNewValue() const;
+
+ // Return the operand that consumes or produces a new value.
+ const MCOperand& getNewValue() const;
+
+ // Return number of bits in the constant extended operand.
+ unsigned getBitCount(void) const;
+
+ private:
+ // Return whether the instruction must be always extended.
+ bool isExtended() const;
+
+ // Return true if the insn may be extended based on the operand value.
+ bool isExtendable() const;
+
+ // Return true if the operand can be constant extended.
+ bool isOperandExtended(const unsigned short OperandNum) const;
+
+ // Return the min value that a constant extendable operand can have
+ // without being extended.
+ int getMinValue() const;
+
+ // Return the max value that a constant extendable operand can have
+ // without being extended.
+ int getMaxValue() const;
+ };
}
#endif
#include "HexagonMCTargetDesc.h"
#include "HexagonMCAsmInfo.h"
-#include "MCTargetDesc/HexagonInstPrinter.h"
+#include "InstPrinter/HexagonInstPrinter.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#define GET_REGINFO_MC_DESC
#include "HexagonGenRegisterInfo.inc"
-static llvm::MCInstrInfo *createHexagonMCInstrInfo() {
+static MCInstrInfo *createHexagonMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitHexagonMCInstrInfo(X);
return X;
#define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCTARGETDESC_H
namespace llvm {
-struct InstrItinerary;
-struct InstrStage;
class MCCodeEmitter;
class MCContext;
class MCInstrInfo;
type = Library
name = HexagonDesc
parent = Hexagon
-required_libraries = HexagonInfo MC Support
+required_libraries = HexagonAsmPrinter HexagonInfo MC Support
add_to_library_groups = Hexagon
BUILT_SOURCES = HexagonGenRegisterInfo.inc \
HexagonGenInstrInfo.inc \
HexagonGenAsmWriter.inc \
- HexagonGenDAGISel.inc \
- HexagonGenSubtargetInfo.inc \
- HexagonGenCallingConv.inc \
- HexagonGenDFAPacketizer.inc \
- HexagonGenMCCodeEmitter.inc \
- HexagonGenDisassemblerTables.inc
-
-DIRS = TargetInfo MCTargetDesc Disassembler
-
-include $(LEVEL)/Makefile.common
+ HexagonGenDAGISel.inc HexagonGenSubtargetInfo.inc \\r
+ HexagonGenCallingConv.inc \\r
+ HexagonGenDFAPacketizer.inc \\r
+ HexagonGenMCCodeEmitter.inc \\r
+ HexagonGenDisassemblerTables.inc\r
+\r
+DIRS = InstPrinter TargetInfo MCTargetDesc Disassembler\r
+\r
+include $(LEVEL)/Makefile.common\r
+++ /dev/null
-# RUN: llvm-mc --triple hexagon -disassemble < %s | FileCheck %s
-
-0x11 0xdf 0x15 0xf3
-# CHECK: r17 = add(r21, r31)
+++ /dev/null
-if 'Hexagon' not in config.root.targets:
- config.unsupported = True
-
StringTableBuilderTest.cpp
YAMLTest.cpp
)
+
+foreach(t ${LLVM_TARGETS_TO_BUILD})
+ if (IS_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}/${t}")
+ add_subdirectory(${t})
+ endif (IS_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}/${t}")
+endforeach()
--- /dev/null
+#include "gtest/gtest.h"
+
+#include <memory>
+
+#include "llvm/MC/MCCodeEmitter.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
+
+#include "MCTargetDesc/HexagonMCInst.h"
+#include "MCTargetDesc/HexagonMCTargetDesc.h"
+
+namespace {
+class TestEmitter {
+public:
+ TestEmitter() : Triple("hexagon-unknown-elf") {
+ LLVMInitializeHexagonTargetInfo();
+ LLVMInitializeHexagonTarget();
+ LLVMInitializeHexagonTargetMC();
+ std::string error;
+ Target = llvm::TargetRegistry::lookupTarget("hexagon", error);
+ assert(Target != nullptr && "Expected to find target");
+ assert(error.empty() && "Error should be empty if we have a target");
+ RegisterInfo = Target->createMCRegInfo(Triple);
+ assert(RegisterInfo != nullptr && "Expecting to find register info");
+ AsmInfo = Target->createMCAsmInfo(*RegisterInfo, Triple);
+ assert(AsmInfo != nullptr && "Expecting to find asm info");
+ Context = new llvm::MCContext(AsmInfo, RegisterInfo, nullptr);
+ assert(Context != nullptr && "Expecting to create a context");
+ Subtarget = Target->createMCSubtargetInfo(Triple, "hexagonv4", "");
+ assert(Subtarget != nullptr && "Expecting to find a subtarget");
+ InstrInfo = Target->createMCInstrInfo();
+ assert(InstrInfo != nullptr && "Expecting to find instr info");
+ Emitter = Target->createMCCodeEmitter(*InstrInfo, *RegisterInfo, *Subtarget,
+ *Context);
+ assert(Emitter != nullptr);
+ }
+ std::string Triple;
+ llvm::Target const *Target;
+ llvm::MCRegisterInfo *RegisterInfo;
+ llvm::MCAsmInfo *AsmInfo;
+ llvm::MCContext *Context;
+ llvm::MCSubtargetInfo *Subtarget;
+ llvm::MCInstrInfo *InstrInfo;
+ llvm::MCCodeEmitter *Emitter;
+};
+TestEmitter Emitter;
+}
+
+TEST(HexagonMCCodeEmitter, emitter_creation) {
+ ASSERT_NE(nullptr, Emitter.Emitter);
+}