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fbe7448e5d
target cannot be determined accurately. This is the case for NaCl where the sandboxing instructions are added in MC layer, after the MipsLongBranch pass. It is also the case when the code has inline assembly. Instead of calculating offset in the MipsLongBranch pass, use %hi(sym1 - sym2) and %lo(sym1 - sym2) expressions that are resolved during the fixup. This patch also deletes microMIPS test file test/CodeGen/Mips/micromips-long-branch.ll and implements microMIPS CHECKs in a much simpler way in a file test/CodeGen/Mips/longbranch.ll, together with MIPS32 and MIPS64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207656 91177308-0d34-0410-b5e6-96231b3b80d8
136 lines
4.6 KiB
C++
136 lines
4.6 KiB
C++
//===-- MipsAsmPrinter.h - Mips LLVM Assembly Printer ----------*- C++ -*--===//
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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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//===----------------------------------------------------------------------===//
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//
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// Mips Assembly printer class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MIPSASMPRINTER_H
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#define MIPSASMPRINTER_H
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#include "Mips16HardFloatInfo.h"
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#include "MipsMCInstLower.h"
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#include "MipsMachineFunction.h"
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#include "MipsSubtarget.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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class MCStreamer;
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class MachineInstr;
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class MachineBasicBlock;
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class MipsTargetStreamer;
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class Module;
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class raw_ostream;
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class LLVM_LIBRARY_VISIBILITY MipsAsmPrinter : public AsmPrinter {
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MipsTargetStreamer &getTargetStreamer();
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void EmitInstrWithMacroNoAT(const MachineInstr *MI);
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private:
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// tblgen'erated function.
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bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
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const MachineInstr *MI);
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// lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
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bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
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/// MCP - Keep a pointer to constantpool entries of the current
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/// MachineFunction.
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const MachineConstantPool *MCP;
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/// InConstantPool - Maintain state when emitting a sequence of constant
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/// pool entries so we can properly mark them as data regions.
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bool InConstantPool;
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std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
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StubsNeeded;
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void EmitJal(MCSymbol *Symbol);
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void EmitInstrReg(unsigned Opcode, unsigned Reg);
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void EmitInstrRegReg(unsigned Opcode, unsigned Reg1, unsigned Reg2);
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void EmitInstrRegRegReg(unsigned Opcode, unsigned Reg1, unsigned Reg2,
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unsigned Reg3);
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void EmitMovFPIntPair(unsigned MovOpc, unsigned Reg1, unsigned Reg2,
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unsigned FPReg1, unsigned FPReg2, bool LE);
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void EmitSwapFPIntParams(Mips16HardFloatInfo::FPParamVariant, bool LE,
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bool ToFP);
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void EmitSwapFPIntRetval(Mips16HardFloatInfo::FPReturnVariant, bool LE);
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void EmitFPCallStub(const char *, const Mips16HardFloatInfo::FuncSignature *);
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void NaClAlignIndirectJumpTargets(MachineFunction &MF);
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bool isLongBranchPseudo(int Opcode) const;
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public:
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const MipsSubtarget *Subtarget;
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const MipsFunctionInfo *MipsFI;
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MipsMCInstLower MCInstLowering;
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explicit MipsAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
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: AsmPrinter(TM, Streamer), MCP(nullptr), InConstantPool(false),
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MCInstLowering(*this) {
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Subtarget = &TM.getSubtarget<MipsSubtarget>();
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}
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const char *getPassName() const override {
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return "Mips Assembly Printer";
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}
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bool runOnMachineFunction(MachineFunction &MF) override;
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void EmitConstantPool() override {
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bool UsingConstantPools =
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(Subtarget->inMips16Mode() && Subtarget->useConstantIslands());
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if (!UsingConstantPools)
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AsmPrinter::EmitConstantPool();
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// we emit constant pools customly!
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}
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void EmitInstruction(const MachineInstr *MI) override;
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void printSavedRegsBitmask();
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void emitFrameDirective();
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const char *getCurrentABIString() const;
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void EmitFunctionEntryLabel() override;
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void EmitFunctionBodyStart() override;
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void EmitFunctionBodyEnd() override;
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bool isBlockOnlyReachableByFallthrough(
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const MachineBasicBlock* MBB) const override;
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bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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unsigned AsmVariant, const char *ExtraCode,
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raw_ostream &O) override;
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bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
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unsigned AsmVariant, const char *ExtraCode,
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raw_ostream &O) override;
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void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printUnsignedImm8(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printMemOperandEA(const MachineInstr *MI, int opNum, raw_ostream &O);
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void printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
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const char *Modifier = nullptr);
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void EmitStartOfAsmFile(Module &M) override;
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void EmitEndOfAsmFile(Module &M) override;
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void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
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};
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}
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#endif
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