llvm::A64Imms Namespace Reference

Functions
bool	isFPImm (const APFloat &Val, uint32_t &Imm8Bits)
bool	isFPImm (const APFloat &Val)
bool	isLogicalImm (unsigned RegWidth, uint64_t Imm, uint32_t &Bits)
bool	isLogicalImmBits (unsigned RegWidth, uint32_t Bits, uint64_t &Imm)
bool	isMOVZImm (int RegWidth, uint64_t Value, int &UImm16, int &Shift)
bool	isMOVNImm (int RegWidth, uint64_t Value, int &UImm16, int &Shift)
bool	isOnlyMOVNImm (int RegWidth, uint64_t Value, int &UImm16, int &Shift)
uint64_t	decodeNeonModImm (unsigned Val, unsigned OpCmode, unsigned &EltBits)
bool	decodeNeonModShiftImm (unsigned OpCmode, unsigned &ShiftImm, unsigned &ShiftOnesIn)

Function Documentation

uint64_t llvm::A64Imms::decodeNeonModImm	(	unsigned	Val,
		unsigned	OpCmode,
		unsigned &	EltBits
	)

Definition at line 1144 of file AArch64BaseInfo.cpp.

References llvm_unreachable.

bool llvm::A64Imms::decodeNeonModShiftImm	(	unsigned	OpCmode,
		unsigned &	ShiftImm,
		unsigned &	ShiftOnesIn
	)

Definition at line 1112 of file AArch64BaseInfo.cpp.

References llvm_unreachable.

bool llvm::A64Imms::isFPImm	(	const APFloat &	Val,
		uint32_t &	Imm8Bits
	)

Definition at line 872 of file AArch64BaseInfo.cpp.

References llvm::APFloat::bitcastToAPInt(), llvm::tgtok::Bits, llvm::APInt::getLimitedValue(), llvm::APFloat::getSemantics(), llvm::APFloat::isNegative(), llvm_unreachable, and llvm::APFloat::semanticsPrecision().

Referenced by isFPImm(), and llvm::AArch64TargetLowering::LowerBUILD_VECTOR().

bool llvm::A64Imms::isFPImm ( const APFloat &  Val )

inline

Definition at line 1116 of file AArch64BaseInfo.h.

References llvm::X86II::Imm8, and isFPImm().

bool llvm::A64Imms::isLogicalImm	(	unsigned	RegWidth,
		uint64_t	Imm,
		uint32_t &	Bits
	)

Definition at line 946 of file AArch64BaseInfo.cpp.

References llvm::CountLeadingOnes_32(), llvm::CountLeadingOnes_64(), llvm::CountTrailingOnes_64(), llvm::countTrailingZeros(), llvm::isMask_64(), and N.

Referenced by llvm::AArch64TargetLowering::LowerAsmOperandForConstraint().

bool llvm::A64Imms::isLogicalImmBits	(	unsigned	RegWidth,
		uint32_t	Bits,
		uint64_t &	Imm
	)

Definition at line 1021 of file AArch64BaseInfo.cpp.

References N.

Referenced by DecodeLogicalImmOperand(), and llvm::AArch64InstPrinter::printLogicalImmOperand().

bool llvm::A64Imms::isMOVNImm	(	int	RegWidth,
		uint64_t	Value,
		int &	UImm16,
		int &	Shift
	)

Definition at line 1087 of file AArch64BaseInfo.cpp.

References isMOVZImm().

Referenced by isOnlyMOVNImm().

bool llvm::A64Imms::isMOVZImm	(	int	RegWidth,
		uint64_t	Value,
		int &	UImm16,
		int &	Shift
	)

Definition at line 1070 of file AArch64BaseInfo.cpp.

Referenced by isMOVNImm(), and isOnlyMOVNImm().

bool llvm::A64Imms::isOnlyMOVNImm	(	int	RegWidth,
		uint64_t	Value,
		int &	UImm16,
		int &	Shift
	)

Definition at line 1101 of file AArch64BaseInfo.cpp.

References isMOVNImm(), and isMOVZImm().