diff options
Diffstat (limited to 'fpu/softfloat-native.h')
-rw-r--r-- | fpu/softfloat-native.h | 531 |
1 files changed, 0 insertions, 531 deletions
diff --git a/fpu/softfloat-native.h b/fpu/softfloat-native.h deleted file mode 100644 index 6afb74a152..0000000000 --- a/fpu/softfloat-native.h +++ /dev/null @@ -1,531 +0,0 @@ -/* Native implementation of soft float functions */ -#include <math.h> - -#if (defined(CONFIG_BSD) && !defined(__APPLE__) && !defined(__GLIBC__)) \ - || defined(CONFIG_SOLARIS) -#include <ieeefp.h> -#define fabsf(f) ((float)fabs(f)) -#else -#include <fenv.h> -#endif - -#if defined(__OpenBSD__) || defined(__NetBSD__) -#include <sys/param.h> -#endif - -/* - * Define some C99-7.12.3 classification macros and - * some C99-.12.4 for Solaris systems OS less than 10, - * or Solaris 10 systems running GCC 3.x or less. - * Solaris 10 with GCC4 does not need these macros as they - * are defined in <iso/math_c99.h> with a compiler directive - */ -#if defined(CONFIG_SOLARIS) && \ - ((CONFIG_SOLARIS_VERSION <= 9 ) || \ - ((CONFIG_SOLARIS_VERSION == 10) && (__GNUC__ < 4))) \ - || (defined(__OpenBSD__) && (OpenBSD < 200811)) -/* - * C99 7.12.3 classification macros - * and - * C99 7.12.14 comparison macros - * - * ... do not work on Solaris 10 using GNU CC 3.4.x. - * Try to workaround the missing / broken C99 math macros. - */ -#if defined(__OpenBSD__) -#define unordered(x, y) (isnan(x) || isnan(y)) -#endif - -#ifdef __NetBSD__ -#ifndef isgreater -#define isgreater(x, y) __builtin_isgreater(x, y) -#endif -#ifndef isgreaterequal -#define isgreaterequal(x, y) __builtin_isgreaterequal(x, y) -#endif -#ifndef isless -#define isless(x, y) __builtin_isless(x, y) -#endif -#ifndef islessequal -#define islessequal(x, y) __builtin_islessequal(x, y) -#endif -#ifndef isunordered -#define isunordered(x, y) __builtin_isunordered(x, y) -#endif -#endif - - -#define isnormal(x) (fpclass(x) >= FP_NZERO) -#define isgreater(x, y) ((!unordered(x, y)) && ((x) > (y))) -#define isgreaterequal(x, y) ((!unordered(x, y)) && ((x) >= (y))) -#define isless(x, y) ((!unordered(x, y)) && ((x) < (y))) -#define islessequal(x, y) ((!unordered(x, y)) && ((x) <= (y))) -#define isunordered(x,y) unordered(x, y) -#endif - -#if defined(__sun__) && !defined(CONFIG_NEEDS_LIBSUNMATH) - -#ifndef isnan -# define isnan(x) \ - (sizeof (x) == sizeof (long double) ? isnan_ld (x) \ - : sizeof (x) == sizeof (double) ? isnan_d (x) \ - : isnan_f (x)) -static inline int isnan_f (float x) { return x != x; } -static inline int isnan_d (double x) { return x != x; } -static inline int isnan_ld (long double x) { return x != x; } -#endif - -#ifndef isinf -# define isinf(x) \ - (sizeof (x) == sizeof (long double) ? isinf_ld (x) \ - : sizeof (x) == sizeof (double) ? isinf_d (x) \ - : isinf_f (x)) -static inline int isinf_f (float x) { return isnan (x - x); } -static inline int isinf_d (double x) { return isnan (x - x); } -static inline int isinf_ld (long double x) { return isnan (x - x); } -#endif -#endif - -typedef float float32; -typedef double float64; -#ifdef FLOATX80 -typedef long double floatx80; -#endif - -typedef union { - float32 f; - uint32_t i; -} float32u; -typedef union { - float64 f; - uint64_t i; -} float64u; -#ifdef FLOATX80 -typedef union { - floatx80 f; - struct { - uint64_t low; - uint16_t high; - } i; -} floatx80u; -#endif - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE floating-point rounding mode. -*----------------------------------------------------------------------------*/ -#if (defined(CONFIG_BSD) && !defined(__APPLE__) && !defined(__GLIBC__)) \ - || defined(CONFIG_SOLARIS) -#if defined(__OpenBSD__) -#define FE_RM FP_RM -#define FE_RP FP_RP -#define FE_RZ FP_RZ -#endif -enum { - float_round_nearest_even = FP_RN, - float_round_down = FP_RM, - float_round_up = FP_RP, - float_round_to_zero = FP_RZ -}; -#else -enum { - float_round_nearest_even = FE_TONEAREST, - float_round_down = FE_DOWNWARD, - float_round_up = FE_UPWARD, - float_round_to_zero = FE_TOWARDZERO -}; -#endif - -typedef struct float_status { - int float_rounding_mode; -#ifdef FLOATX80 - int floatx80_rounding_precision; -#endif -} float_status; - -void set_float_rounding_mode(int val STATUS_PARAM); -#ifdef FLOATX80 -void set_floatx80_rounding_precision(int val STATUS_PARAM); -#endif - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE integer-to-floating-point conversion routines. -*----------------------------------------------------------------------------*/ -float32 int32_to_float32( int STATUS_PARAM); -float32 uint32_to_float32( unsigned int STATUS_PARAM); -float64 int32_to_float64( int STATUS_PARAM); -float64 uint32_to_float64( unsigned int STATUS_PARAM); -#ifdef FLOATX80 -floatx80 int32_to_floatx80( int STATUS_PARAM); -#endif -#ifdef FLOAT128 -float128 int32_to_float128( int STATUS_PARAM); -#endif -float32 int64_to_float32( int64_t STATUS_PARAM); -float32 uint64_to_float32( uint64_t STATUS_PARAM); -float64 int64_to_float64( int64_t STATUS_PARAM); -float64 uint64_to_float64( uint64_t v STATUS_PARAM); -#ifdef FLOATX80 -floatx80 int64_to_floatx80( int64_t STATUS_PARAM); -#endif -#ifdef FLOAT128 -float128 int64_to_float128( int64_t STATUS_PARAM); -#endif - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE single-precision conversion constants. -*----------------------------------------------------------------------------*/ -#define float32_zero (0.0) -#define float32_one (1.0) -#define float32_ln2 (0.6931471) -#define float32_pi (3.1415926) -#define float32_half (0.5) - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE single-precision conversion routines. -*----------------------------------------------------------------------------*/ -int float32_to_int32( float32 STATUS_PARAM); -int float32_to_int32_round_to_zero( float32 STATUS_PARAM); -unsigned int float32_to_uint32( float32 a STATUS_PARAM); -unsigned int float32_to_uint32_round_to_zero( float32 a STATUS_PARAM); -int64_t float32_to_int64( float32 STATUS_PARAM); -int64_t 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. -*----------------------------------------------------------------------------*/ -float32 float32_round_to_int( float32 STATUS_PARAM); -INLINE float32 float32_add( float32 a, float32 b STATUS_PARAM) -{ - return a + b; -} -INLINE float32 float32_sub( float32 a, float32 b STATUS_PARAM) -{ - return a - b; -} -INLINE float32 float32_mul( float32 a, float32 b STATUS_PARAM) -{ - return a * b; -} -INLINE float32 float32_div( float32 a, float32 b STATUS_PARAM) -{ - return a / b; -} -float32 float32_rem( float32, float32 STATUS_PARAM); -float32 float32_sqrt( float32 STATUS_PARAM); -INLINE int float32_eq_quiet( float32 a, float32 b STATUS_PARAM) -{ - return a == b; -} -INLINE int float32_le( float32 a, float32 b STATUS_PARAM) -{ - return a <= b; -} -INLINE int float32_lt( float32 a, float32 b STATUS_PARAM) -{ - return a < b; -} -INLINE int float32_eq( float32 a, float32 b STATUS_PARAM) -{ - return a <= b && a >= b; -} -INLINE int float32_le_quiet( float32 a, float32 b STATUS_PARAM) -{ - return islessequal(a, b); -} -INLINE int float32_lt_quiet( float32 a, float32 b STATUS_PARAM) -{ - return isless(a, b); -} -INLINE int float32_unordered( float32 a, float32 b STATUS_PARAM) -{ - return isunordered(a, b); -} -INLINE int float32_unordered_quiet( float32 a, float32 b STATUS_PARAM) -{ - return isunordered(a, b); -} -int float32_compare( float32, float32 STATUS_PARAM ); -int float32_compare_quiet( float32, float32 STATUS_PARAM ); -int float32_is_signaling_nan( float32 ); -int float32_is_quiet_nan( float32 ); -int float32_is_any_nan( float32 ); - -INLINE float32 float32_abs(float32 a) -{ - return fabsf(a); -} - -INLINE float32 float32_chs(float32 a) -{ - return -a; -} - -INLINE float32 float32_is_infinity(float32 a) -{ - return fpclassify(a) == FP_INFINITE; -} - -INLINE float32 float32_is_neg(float32 a) -{ - float32u u; - u.f = a; - return u.i >> 31; -} - -INLINE float32 float32_is_zero(float32 a) -{ - return fpclassify(a) == FP_ZERO; -} - -INLINE float32 float32_scalbn(float32 a, int n STATUS_PARAM) -{ - return scalbnf(a, n); -} - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE double-precision conversion constants. -*----------------------------------------------------------------------------*/ -#define float64_zero (0.0) -#define float64_one (1.0) -#define float64_ln2 (0.693147180559945) -#define float64_pi (3.141592653589793) -#define float64_half (0.5) - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE double-precision conversion routines. -*----------------------------------------------------------------------------*/ -int float64_to_int32( float64 STATUS_PARAM ); -int float64_to_int32_round_to_zero( float64 STATUS_PARAM ); -unsigned int float64_to_uint32( float64 STATUS_PARAM ); -unsigned int float64_to_uint32_round_to_zero( float64 STATUS_PARAM ); -int64_t float64_to_int64( float64 STATUS_PARAM ); -int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM ); -uint64_t float64_to_uint64( float64 STATUS_PARAM ); -uint64_t float64_to_uint64_round_to_zero( float64 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. -*----------------------------------------------------------------------------*/ -float64 float64_round_to_int( float64 STATUS_PARAM ); -float64 float64_trunc_to_int( float64 STATUS_PARAM ); -INLINE float64 float64_add( float64 a, float64 b STATUS_PARAM) -{ - return a + b; -} -INLINE float64 float64_sub( float64 a, float64 b STATUS_PARAM) -{ - return a - b; -} -INLINE float64 float64_mul( float64 a, float64 b STATUS_PARAM) -{ - return a * b; -} -INLINE float64 float64_div( float64 a, float64 b STATUS_PARAM) -{ - return a / b; -} -float64 float64_rem( float64, float64 STATUS_PARAM ); -float64 float64_sqrt( float64 STATUS_PARAM ); -INLINE int float64_eq_quiet( float64 a, float64 b STATUS_PARAM) -{ - return a == b; -} -INLINE int float64_le( float64 a, float64 b STATUS_PARAM) -{ - return a <= b; -} -INLINE int float64_lt( float64 a, float64 b STATUS_PARAM) -{ - return a < b; -} -INLINE int float64_eq( float64 a, float64 b STATUS_PARAM) -{ - return a <= b && a >= b; -} -INLINE int float64_le_quiet( float64 a, float64 b STATUS_PARAM) -{ - return islessequal(a, b); -} -INLINE int float64_lt_quiet( float64 a, float64 b STATUS_PARAM) -{ - return isless(a, b); - -} -INLINE int float64_unordered( float64 a, float64 b STATUS_PARAM) -{ - return isunordered(a, b); -} -INLINE int float64_unordered_quiet( float64 a, float64 b STATUS_PARAM) -{ - return isunordered(a, b); -} -int float64_compare( float64, float64 STATUS_PARAM ); -int float64_compare_quiet( float64, float64 STATUS_PARAM ); -int float64_is_signaling_nan( float64 ); -int float64_is_any_nan( float64 ); -int float64_is_quiet_nan( float64 ); - -INLINE float64 float64_abs(float64 a) -{ - return fabs(a); -} - -INLINE float64 float64_chs(float64 a) -{ - return -a; -} - -INLINE float64 float64_is_infinity(float64 a) -{ - return fpclassify(a) == FP_INFINITE; -} - -INLINE float64 float64_is_neg(float64 a) -{ - float64u u; - u.f = a; - return u.i >> 63; -} - -INLINE float64 float64_is_zero(float64 a) -{ - return fpclassify(a) == FP_ZERO; -} - -INLINE float64 float64_scalbn(float64 a, int n STATUS_PARAM) -{ - return scalbn(a, n); -} - -#ifdef FLOATX80 - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE extended double-precision conversion constants. -*----------------------------------------------------------------------------*/ -#define floatx80_zero (0.0L) -#define floatx80_one (1.0L) -#define floatx80_ln2 (0.69314718055994530943L) -#define floatx80_pi (3.14159265358979323851L) -#define floatx80_half (0.5L) - -/*---------------------------------------------------------------------------- -| Software IEC/IEEE extended double-precision conversion routines. -*----------------------------------------------------------------------------*/ -int floatx80_to_int32( floatx80 STATUS_PARAM ); -int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM ); -int64_t floatx80_to_int64( floatx80 STATUS_PARAM); -int64_t 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. -*----------------------------------------------------------------------------*/ -floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM ); -INLINE floatx80 floatx80_add( floatx80 a, floatx80 b STATUS_PARAM) -{ - return a + b; -} -INLINE floatx80 floatx80_sub( floatx80 a, floatx80 b STATUS_PARAM) -{ - return a - b; -} -INLINE floatx80 floatx80_mul( floatx80 a, floatx80 b STATUS_PARAM) -{ - return a * b; -} -INLINE floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM) -{ - return a / b; -} -floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM ); -floatx80 floatx80_sqrt( floatx80 STATUS_PARAM ); -INLINE int floatx80_eq_quiet( floatx80 a, floatx80 b STATUS_PARAM) -{ - return a == b; -} -INLINE int floatx80_le( floatx80 a, floatx80 b STATUS_PARAM) -{ - return a <= b; -} -INLINE int floatx80_lt( floatx80 a, floatx80 b STATUS_PARAM) -{ - return a < b; -} -INLINE int floatx80_eq( floatx80 a, floatx80 b STATUS_PARAM) -{ - return a <= b && a >= b; -} -INLINE int floatx80_le_quiet( floatx80 a, floatx80 b STATUS_PARAM) -{ - return islessequal(a, b); -} -INLINE int floatx80_lt_quiet( floatx80 a, floatx80 b STATUS_PARAM) -{ - return isless(a, b); - -} -INLINE int floatx80_unordered( floatx80 a, floatx80 b STATUS_PARAM) -{ - return isunordered(a, b); -} -INLINE int floatx80_unordered_quiet( floatx80 a, floatx80 b STATUS_PARAM) -{ - return isunordered(a, b); -} -int floatx80_compare( floatx80, floatx80 STATUS_PARAM ); -int floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM ); -int floatx80_is_signaling_nan( floatx80 ); -int floatx80_is_quiet_nan( floatx80 ); -int floatx80_is_any_nan( floatx80 ); - -INLINE floatx80 floatx80_abs(floatx80 a) -{ - return fabsl(a); -} - -INLINE floatx80 floatx80_chs(floatx80 a) -{ - return -a; -} - -INLINE floatx80 floatx80_is_infinity(floatx80 a) -{ - return fpclassify(a) == FP_INFINITE; -} - -INLINE floatx80 floatx80_is_neg(floatx80 a) -{ - floatx80u u; - u.f = a; - return u.i.high >> 15; -} - -INLINE floatx80 floatx80_is_zero(floatx80 a) -{ - return fpclassify(a) == FP_ZERO; -} - -INLINE floatx80 floatx80_scalbn(floatx80 a, int n STATUS_PARAM) -{ - return scalbnl(a, n); -} - -#endif |