softfloat.c File Reference

#include <linux/kernel.h>
#include <cpu/fpu.h>
#include <asm/div64.h>

Go to the source code of this file.

Macros
#define	LIT64(a)   a##LL

Typedefs
typedef char	flag
typedef unsigned char	uint8
typedef signed char	int8
typedef int	uint16
typedef int	int16
typedef unsigned int	uint32
typedef signed int	int32
typedef unsigned long long int	bits64
typedef signed long long int	sbits64
typedef unsigned char	bits8
typedef signed char	sbits8
typedef unsigned short int	bits16
typedef signed short int	sbits16
typedef unsigned int	bits32
typedef signed int	sbits32
typedef unsigned long long int	uint64
typedef signed long long int	int64
typedef unsigned long int	float32
typedef unsigned long long	float64

Functions
void	float_raise (unsigned int flags)
int	float_rounding_mode (void)
bits64	extractFloat64Frac (float64 a)
flag	extractFloat64Sign (float64 a)
int16	extractFloat64Exp (float64 a)
int16	extractFloat32Exp (float32 a)
flag	extractFloat32Sign (float32 a)
bits32	extractFloat32Frac (float32 a)
float64	packFloat64 (flag zSign, int16 zExp, bits64 zSig)
void	shift64RightJamming (bits64 a, int16 count, bits64 *zPtr)
float32	packFloat32 (flag zSign, int16 zExp, bits32 zSig)
void	shift32RightJamming (bits32 a, int16 count, bits32 *zPtr)
float64	float64_sub (float64 a, float64 b)
float32	float32_sub (float32 a, float32 b)
float32	float32_add (float32 a, float32 b)
float64	float64_add (float64 a, float64 b)
float64	float64_div (float64 a, float64 b)
float32	float32_div (float32 a, float32 b)
float32	float32_mul (float32 a, float32 b)
float64	float64_mul (float64 a, float64 b)
float32	float64_to_float32 (float64 a)
void	add128 (bits64 a0, bits64 a1, bits64 b0, bits64 b1, bits64 *z0Ptr, bits64 *z1Ptr)
void	sub128 (bits64 a0, bits64 a1, bits64 b0, bits64 b1, bits64 *z0Ptr, bits64 *z1Ptr)
void	mul64To128 (bits64 a, bits64 b, bits64 *z0Ptr, bits64 *z1Ptr)

Macro Definition Documentation

#define LIT64

(

a

)

a##LL

Definition at line 42 of file softfloat.c.

Typedef Documentation

typedef unsigned short int bits16

Definition at line 57 of file softfloat.c.

typedef unsigned int bits32

Definition at line 59 of file softfloat.c.

typedef unsigned long long int bits64

Definition at line 52 of file softfloat.c.

typedef unsigned char bits8

Definition at line 55 of file softfloat.c.

typedef char flag

Definition at line 44 of file softfloat.c.

typedef unsigned long int float32

Definition at line 65 of file softfloat.c.

typedef unsigned long long float64

Definition at line 66 of file softfloat.c.

typedef int int16

Definition at line 48 of file softfloat.c.

typedef signed int int32

Definition at line 50 of file softfloat.c.

typedef signed long long int int64

Definition at line 63 of file softfloat.c.

typedef signed char int8

Definition at line 46 of file softfloat.c.

typedef signed short int sbits16

Definition at line 58 of file softfloat.c.

typedef signed int sbits32

Definition at line 60 of file softfloat.c.

typedef signed long long int sbits64

Definition at line 53 of file softfloat.c.

typedef signed char sbits8

Definition at line 56 of file softfloat.c.

typedef int uint16

Definition at line 47 of file softfloat.c.

typedef unsigned int uint32

Definition at line 49 of file softfloat.c.

typedef unsigned long long int uint64

Definition at line 62 of file softfloat.c.

typedef unsigned char uint8

Definition at line 45 of file softfloat.c.

Function Documentation

void add128	(	bits64	a0,
		bits64	a1,
		bits64	b0,
		bits64	b1,
		bits64 *	z0Ptr,
		bits64 *	z1Ptr
	)

Definition at line 638 of file softfloat.c.

int16 extractFloat32Exp

(

float32

a

)

bits32 extractFloat32Frac

(

float32

a

)

flag extractFloat32Sign

(

float32

a

)

Definition at line 134 of file softfloat.c.

int16 extractFloat64Exp

(

float64

a

)

bits64 extractFloat64Frac

(

float64

a

)

flag extractFloat64Sign

(

float64

a

)

Definition at line 119 of file softfloat.c.

float32 float32_add	(	float32	a,
		float32	b
	)

Definition at line 601 of file softfloat.c.

float32 float32_div	(	float32	a,
		float32	b
	)

Definition at line 774 of file softfloat.c.

float32 float32_mul	(	float32	a,
		float32	b
	)

Definition at line 824 of file softfloat.c.

float32 float32_sub	(	float32	a,
		float32	b
	)

Definition at line 587 of file softfloat.c.

float64 float64_add	(	float64	a,
		float64	b
	)

Definition at line 615 of file softfloat.c.

float64 float64_div	(	float64	a,
		float64	b
	)

Definition at line 716 of file softfloat.c.

float64 float64_mul	(	float64	a,
		float64	b
	)

Definition at line 865 of file softfloat.c.

float64 float64_sub	(	float64	a,
		float64	b
	)

Definition at line 573 of file softfloat.c.

float32 float64_to_float32

(

float64

a

)

Definition at line 912 of file softfloat.c.

void float_raise

(

unsigned int

flags

)

Definition at line 393 of file fpu.c.

int float_rounding_mode

(

void

)

Definition at line 398 of file fpu.c.

void mul64To128	(	bits64	a,
		bits64	b,
		bits64 *	z0Ptr,
		bits64 *	z1Ptr
	)

Definition at line 682 of file softfloat.c.

float32 packFloat32	(	flag	zSign,
		int16	zExp,
		bits32	zSig
	)

float64 packFloat64	(	flag	zSign,
		int16	zExp,
		bits64	zSig
	)

void shift32RightJamming	(	bits32	a,
		int16	count,
		bits32 *	zPtr
	)

Definition at line 347 of file softfloat.c.

void shift64RightJamming	(	bits64	a,
		int16	count,
		bits64 *	zPtr
	)

Definition at line 149 of file softfloat.c.

void sub128	(	bits64	a0,
		bits64	a1,
		bits64	b0,
		bits64	b1,
		bits64 *	z0Ptr,
		bits64 *	z1Ptr
	)

Definition at line 649 of file softfloat.c.