diff options
Diffstat (limited to 'sysdeps/sparc/sparc64')
| -rw-r--r-- | sysdeps/sparc/sparc64/fpu/bits/huge_val.h | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/sysdeps/sparc/sparc64/fpu/bits/huge_val.h b/sysdeps/sparc/sparc64/fpu/bits/huge_val.h index 673d6f0532..788527477c 100644 --- a/sysdeps/sparc/sparc64/fpu/bits/huge_val.h +++ b/sysdeps/sparc/sparc64/fpu/bits/huge_val.h @@ -29,11 +29,19 @@ #ifdef __GNUC__ -# define HUGE_VAL \ +# if __GNUC_PREREQ(2,95) + +# define HUGE_VAL (0x1.0p2047) + +# else + +# define HUGE_VAL \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ { __l: 0x7ff0000000000000ULL }).__d) +# endif + #else /* not GCC */ typedef union { unsigned char __c[8]; double __d; } __huge_val_t; @@ -50,51 +58,65 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; #ifdef __USE_ISOC9X -# ifdef __GNUC__ +# if __GNUC_PREREQ(2,95) + +# define HUGE_VALF (0x1.0p255f) +# if __WORDSIZE == 32 +# define HUGE_VALL HUGE_VAL +# else +/* Sparc64 uses IEEE 754 128bit long double */ +# define HUGE_VALL (0x1.0p32767L) +# endif + +# else -# define HUGE_VALF \ +# ifdef __GNUC__ + +# define HUGE_VALF \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ { __l: 0x7f800000UL }).__d) -# else /* not GCC */ +# else /* not GCC */ typedef union { unsigned char __c[4]; float __f; } __huge_valf_t; -# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } +# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; -# define HUGE_VALF (__huge_valf.__f) +# define HUGE_VALF (__huge_valf.__f) -# endif /* GCC. */ +# endif /* GCC. */ -#if __WORDSIZE == 32 +# if __WORDSIZE == 32 /* Sparc32 has IEEE 754 64bit long double */ -# define HUGE_VALL HUGE_VAL +# define HUGE_VALL HUGE_VAL -#else +# else /* Sparc64 uses IEEE 754 128bit long double */ -#ifdef __GNUC__ +# ifdef __GNUC__ -# define HUGE_VALL \ +# define HUGE_VALL \ (__extension__ \ ((union { struct { unsigned long __h, __l; } __i; long double __d; }) \ { __i: { __h: 0x7fff000000000000UL, __l: 0 } }).__d) - -#else /* not GCC */ + +# else /* not GCC */ typedef union { unsigned char __c[16]; long double __d; } __huge_vall_t; -# define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } +# define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes }; -# define HUGE_VALL (__huge_vall.__d) +# define HUGE_VALL (__huge_vall.__d) -#endif /* GCC. */ +# endif /* GCC. */ -#endif +# endif + +# endif /* GCC 2.95. */ #endif /* __USE_ISOC9X. */ |