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softfloat: always enable floatx80 and float128 support

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Now that softfloat-native is gone, there is no real point on not always
enabling floatx80 and float128 support.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2011-05-15 14:09:18 +02:00
parent cf67c6bad5
commit be22a9abc0
4 changed files with 0 additions and 118 deletions
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47
fpu/softfloat.h
View file

@ -74,17 +74,6 @@ typedef int64_t int64;
#define SNAN_BIT_IS_ONE 0
#endif
/*----------------------------------------------------------------------------
| The macro `FLOATX80' must be defined to enable the extended double-precision
| floating-point format `floatx80'. If this macro is not defined, the
| `floatx80' type will not be defined, and none of the functions that either
| input or output the `floatx80' type will be defined. The same applies to
| the `FLOAT128' macro and the quadruple-precision format `float128'.
*----------------------------------------------------------------------------*/
/* bit exact soft float support */
#define FLOATX80
#define FLOAT128
#define STATUS_PARAM , float_status *status
#define STATUS(field) status->field
#define STATUS_VAR , status
@ -141,14 +130,11 @@ typedef uint64_t float64;
#define const_float32(x) (x)
#define const_float64(x) (x)
#endif
#ifdef FLOATX80
typedef struct {
uint64_t low;
uint16_t high;
} floatx80;
#define make_floatx80(exp, mant) ((floatx80) { mant, exp })
#endif
#ifdef FLOAT128
typedef struct {
#ifdef HOST_WORDS_BIGENDIAN
uint64_t high, low;
@ -156,7 +142,6 @@ typedef struct {
uint64_t low, high;
#endif
} float128;
#endif
/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point underflow tininess-detection mode.
@ -193,9 +178,7 @@ typedef struct float_status {
signed char float_detect_tininess;
signed char float_rounding_mode;
signed char float_exception_flags;
#ifdef FLOATX80
signed char floatx80_rounding_precision;
#endif
/* should denormalised results go to zero and set the inexact flag? */
flag flush_to_zero;
/* should denormalised inputs go to zero and set the input_denormal flag? */
@ -225,9 +208,7 @@ INLINE int get_float_exception_flags(float_status *status)
{
return STATUS(float_exception_flags);
}
#ifdef FLOATX80
void set_floatx80_rounding_precision(int val STATUS_PARAM);
#endif
/*----------------------------------------------------------------------------
| Routine to raise any or all of the software IEC/IEEE floating-point
@ -242,22 +223,14 @@ float32 int32_to_float32( int32 STATUS_PARAM );
float64 int32_to_float64( int32 STATUS_PARAM );
float32 uint32_to_float32( unsigned int STATUS_PARAM );
float64 uint32_to_float64( unsigned int STATUS_PARAM );
#ifdef FLOATX80
floatx80 int32_to_floatx80( int32 STATUS_PARAM );
#endif
#ifdef FLOAT128
float128 int32_to_float128( int32 STATUS_PARAM );
#endif
float32 int64_to_float32( int64 STATUS_PARAM );
float32 uint64_to_float32( uint64 STATUS_PARAM );
float64 int64_to_float64( int64 STATUS_PARAM );
float64 uint64_to_float64( uint64 STATUS_PARAM );
#ifdef FLOATX80
floatx80 int64_to_floatx80( int64 STATUS_PARAM );
#endif
#ifdef FLOAT128
float128 int64_to_float128( int64 STATUS_PARAM );
#endif
/*----------------------------------------------------------------------------
| Software half-precision conversion routines.
@ -295,12 +268,8 @@ uint32 float32_to_uint32_round_to_zero( float32 STATUS_PARAM );
int64 float32_to_int64( float32 STATUS_PARAM );
int64 float32_to_int64_round_to_zero( float32 STATUS_PARAM );
float64 float32_to_float64( float32 STATUS_PARAM );
#ifdef FLOATX80
floatx80 float32_to_floatx80( float32 STATUS_PARAM );
#endif
#ifdef FLOAT128
float128 float32_to_float128( float32 STATUS_PARAM );
#endif
/*----------------------------------------------------------------------------
| Software IEC/IEEE single-precision operations.
@ -412,12 +381,8 @@ int64 float64_to_int64_round_to_zero( float64 STATUS_PARAM );
uint64 float64_to_uint64 (float64 a STATUS_PARAM);
uint64 float64_to_uint64_round_to_zero (float64 a STATUS_PARAM);
float32 float64_to_float32( float64 STATUS_PARAM );
#ifdef FLOATX80
floatx80 float64_to_floatx80( float64 STATUS_PARAM );
#endif
#ifdef FLOAT128
float128 float64_to_float128( float64 STATUS_PARAM );
#endif
/*----------------------------------------------------------------------------
| Software IEC/IEEE double-precision operations.
@ -510,8 +475,6 @@ INLINE float64 float64_set_sign(float64 a, int sign)
#define float64_default_nan make_float64(LIT64( 0xFFF8000000000000 ))
#endif
#ifdef FLOATX80
/*----------------------------------------------------------------------------
| Software IEC/IEEE extended double-precision conversion routines.
*----------------------------------------------------------------------------*/
@ -521,9 +484,7 @@ int64 floatx80_to_int64( floatx80 STATUS_PARAM );
int64 floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM );
float32 floatx80_to_float32( floatx80 STATUS_PARAM );
float64 floatx80_to_float64( floatx80 STATUS_PARAM );
#ifdef FLOAT128
float128 floatx80_to_float128( floatx80 STATUS_PARAM );
#endif
/*----------------------------------------------------------------------------
| Software IEC/IEEE extended double-precision operations.
@ -602,10 +563,6 @@ INLINE int floatx80_is_any_nan(floatx80 a)
#define floatx80_default_nan_low LIT64( 0xC000000000000000 )
#endif
#endif
#ifdef FLOAT128
/*----------------------------------------------------------------------------
| Software IEC/IEEE quadruple-precision conversion routines.
*----------------------------------------------------------------------------*/
@ -615,9 +572,7 @@ int64 float128_to_int64( float128 STATUS_PARAM );
int64 float128_to_int64_round_to_zero( float128 STATUS_PARAM );
float32 float128_to_float32( float128 STATUS_PARAM );
float64 float128_to_float64( float128 STATUS_PARAM );
#ifdef FLOATX80
floatx80 float128_to_floatx80( float128 STATUS_PARAM );
#endif
/*----------------------------------------------------------------------------
| Software IEC/IEEE quadruple-precision operations.
@ -689,6 +644,4 @@ INLINE int float128_is_any_nan(float128 a)
#define float128_default_nan_low LIT64( 0x0000000000000000 )
#endif
#endif
#endif /* !SOFTFLOAT_H */