APFloatWrappers.cpp File Reference

#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APSInt.h"

Go to the source code of this file.

Macros
#define	MLIR_APFLOAT_WRAPPERS_EXPORT   __attribute__((visibility("default")))
#define	APFLOAT_BINARY_OP(OP)
	Binary operations without rounding mode.
#define	APFLOAT_BINARY_OP_ROUNDING_MODE(OP, ROUNDING_MODE)
	Binary operations with rounding mode.
#define	BIN_OPS_WITH_ROUNDING(X)
#define	APFLOAT_MIN_MAX_OP(OP)
	Min/max operations.

Functions
MLIR_APFLOAT_WRAPPERS_EXPORT void	printApFloat (int32_t semantics, uint64_t a)
MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t	_mlir_apfloat_convert (int32_t inSemantics, int32_t outSemantics, uint64_t a)
MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t	_mlir_apfloat_convert_to_int (int32_t semantics, int32_t resultWidth, bool isUnsigned, uint64_t a)
MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t	_mlir_apfloat_convert_from_int (int32_t semantics, int32_t inputWidth, bool isUnsigned, uint64_t a)
MLIR_APFLOAT_WRAPPERS_EXPORT int8_t	_mlir_apfloat_compare (int32_t semantics, uint64_t a, uint64_t b)
MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t	_mlir_apfloat_neg (int32_t semantics, uint64_t a)

Macro Definition Documentation

APFLOAT_BINARY_OP

#define APFLOAT_BINARY_OP

(

OP

)

Value:

  MLIR_APFLOAT_WRAPPERS_EXPORT int64_t _mlir_apfloat_##OP(                     \
      int32_t semantics, uint64_t a, uint64_t b) {                             \
    const llvm::fltSemantics &sem = llvm::APFloatBase::EnumToSemantics(        \
        static_cast<llvm::APFloatBase::Semantics>(semantics));                 \
    unsigned bitWidth = llvm::APFloatBase::semanticsSizeInBits(sem);           \
    llvm::APFloat lhs(sem, llvm::APInt(bitWidth, a));                          \
    llvm::APFloat rhs(sem, llvm::APInt(bitWidth, b));                          \
    lhs.OP(rhs);                                                               \
    return lhs.bitcastToAPInt().getZExtValue();                                \
  }

Binary operations without rounding mode.

Definition at line 41 of file APFloatWrappers.cpp.

APFLOAT_BINARY_OP_ROUNDING_MODE

#define APFLOAT_BINARY_OP_ROUNDING_MODE	(		OP,
			ROUNDING_MODE )

Value:

  MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t _mlir_apfloat_##OP(                    \
      int32_t semantics, uint64_t a, uint64_t b) {                             \
    const llvm::fltSemantics &sem = llvm::APFloatBase::EnumToSemantics(        \
        static_cast<llvm::APFloatBase::Semantics>(semantics));                 \
    unsigned bitWidth = llvm::APFloatBase::semanticsSizeInBits(sem);           \
    llvm::APFloat lhs(sem, llvm::APInt(bitWidth, a));                          \
    llvm::APFloat rhs(sem, llvm::APInt(bitWidth, b));                          \
    lhs.OP(rhs, ROUNDING_MODE);                                                \
    return lhs.bitcastToAPInt().getZExtValue();                                \
  }

Binary operations with rounding mode.

Definition at line 54 of file APFloatWrappers.cpp.

APFLOAT_MIN_MAX_OP

#define APFLOAT_MIN_MAX_OP

(

OP

)

Value:

  MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t _mlir_apfloat_##OP(                    \
      int32_t semantics, uint64_t a, uint64_t b) {                             \
    const llvm::fltSemantics &sem = llvm::APFloatBase::EnumToSemantics(        \
        static_cast<llvm::APFloatBase::Semantics>(semantics));                 \
    unsigned bitWidth = llvm::APFloatBase::semanticsSizeInBits(sem);           \
    llvm::APFloat lhs(sem, llvm::APInt(bitWidth, a));                          \
    llvm::APFloat rhs(sem, llvm::APInt(bitWidth, b));                          \
    llvm::APFloat result = llvm::OP(lhs, rhs);                                 \
    return result.bitcastToAPInt().getZExtValue();                             \
  }

Min/max operations.

Definition at line 156 of file APFloatWrappers.cpp.

BIN_OPS_WITH_ROUNDING

#define BIN_OPS_WITH_ROUNDING

(

X

)

Value:

  X(add, llvm::RoundingMode::NearestTiesToEven)                                \
  X(subtract, llvm::RoundingMode::NearestTiesToEven)                           \
  X(multiply, llvm::RoundingMode::NearestTiesToEven)                           \
  X(divide, llvm::RoundingMode::NearestTiesToEven)

Definition at line 68 of file APFloatWrappers.cpp.

MLIR_APFLOAT_WRAPPERS_EXPORT

#define MLIR_APFLOAT_WRAPPERS_EXPORT   __attribute__((visibility("default")))

Definition at line 37 of file APFloatWrappers.cpp.

Referenced by _mlir_apfloat_compare(), _mlir_apfloat_convert_from_int(), _mlir_apfloat_convert_to_int(), _mlir_apfloat_neg(), and printApFloat().

Function Documentation

_mlir_apfloat_compare()

MLIR_APFLOAT_WRAPPERS_EXPORT int8_t _mlir_apfloat_compare	(	int32_t	semantics,
		uint64_t	a,
		uint64_t	b )

Definition at line 135 of file APFloatWrappers.cpp.

References b, and MLIR_APFLOAT_WRAPPERS_EXPORT.

_mlir_apfloat_convert()

MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t _mlir_apfloat_convert	(	int32_t	inSemantics,
		int32_t	outSemantics,
		uint64_t	a )

Definition at line 92 of file APFloatWrappers.cpp.

References result.

_mlir_apfloat_convert_from_int()

MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t _mlir_apfloat_convert_from_int	(	int32_t	semantics,
		int32_t	inputWidth,
		bool	isUnsigned,
		uint64_t	a )

Definition at line 123 of file APFloatWrappers.cpp.

References MLIR_APFLOAT_WRAPPERS_EXPORT, and result.

_mlir_apfloat_convert_to_int()

MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t _mlir_apfloat_convert_to_int	(	int32_t	semantics,
		int32_t	resultWidth,
		bool	isUnsigned,
		uint64_t	a )

Definition at line 106 of file APFloatWrappers.cpp.

References MLIR_APFLOAT_WRAPPERS_EXPORT, and result.

_mlir_apfloat_neg()

MLIR_APFLOAT_WRAPPERS_EXPORT uint64_t _mlir_apfloat_neg	(	int32_t	semantics,
		uint64_t	a )

Definition at line 146 of file APFloatWrappers.cpp.

References MLIR_APFLOAT_WRAPPERS_EXPORT.

printApFloat()

MLIR_APFLOAT_WRAPPERS_EXPORT void printApFloat	(	int32_t	semantics,
		uint64_t	a )

Definition at line 82 of file APFloatWrappers.cpp.

References MLIR_APFLOAT_WRAPPERS_EXPORT.