llvm::RISCVLoadFPImm Namespace Reference

Functions
float	getFPImm (unsigned Imm)
int	getLoadFPImm (APFloat FPImm)
	getLoadFPImm - Return a 5-bit binary encoding of the floating-point immediate value.

Function Documentation

getFPImm()

float llvm::RISCVLoadFPImm::getFPImm

(

unsigned

Imm

)

Definition at line 227 of file RISCVBaseInfo.cpp.

References assert(), llvm::bit_cast(), I, and llvm::LoadFP32ImmArr.

Referenced by llvm::RISCVInstPrinter::printFPImmOperand().

getLoadFPImm()

int llvm::RISCVLoadFPImm::getLoadFPImm

(

APFloat

FPImm

)

getLoadFPImm - Return a 5-bit binary encoding of the floating-point immediate value.

If the value cannot be represented as a 5-bit binary encoding, then return -1.

Definition at line 183 of file RISCVBaseInfo.cpp.

References assert(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::convert(), llvm::APFloat::getSemantics(), llvm::APFloatBase::IEEEdouble(), llvm::APFloatBase::IEEEhalf(), llvm::APFloatBase::IEEEsingle(), llvm::APFloat::isNegative(), llvm::APFloat::isSmallestNormalized(), llvm::LoadFP32ImmArr, llvm::lower_bound(), llvm::APFloatBase::opOK, and llvm::APFloatBase::rmNearestTiesToEven.

Referenced by llvm::RISCVTargetLowering::getLegalZfaFPImm().