diff options
Diffstat (limited to 'sysdeps/sparc/fpu/fenv_private.h')
| -rw-r--r-- | sysdeps/sparc/fpu/fenv_private.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sysdeps/sparc/fpu/fenv_private.h b/sysdeps/sparc/fpu/fenv_private.h new file mode 100644 index 0000000000..a6e8e95a55 --- /dev/null +++ b/sysdeps/sparc/fpu/fenv_private.h @@ -0,0 +1,106 @@ +#ifndef FENV_PRIVATE_H +#define FENV_PRIVATE_H 1 + +#include <fenv.h> + +static __always_inline void +libc_feholdexcept (fenv_t *e) +{ + fenv_t etmp; + __fenv_stfsr(etmp); + *(e) = etmp; + etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT); + __fenv_ldfsr(etmp); +} + +static __always_inline void +libc_feholdexcept_setround (fenv_t *e, int r) +{ + fenv_t etmp; + __fenv_stfsr(etmp); + *(e) = etmp; + etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT); + etmp = (etmp & ~__FE_ROUND_MASK) | (r); + __fenv_ldfsr(etmp); +} + +static __always_inline int +libc_fetestexcept (int e) +{ + fenv_t etmp; + __fenv_stfsr(etmp); + return etmp & (e) & FE_ALL_EXCEPT; +} + +static __always_inline void +libc_fesetenv (fenv_t *e) +{ + __fenv_ldfsr(*e); +} + +static __always_inline int +libc_feupdateenv_test (fenv_t *e, int ex) +{ + fenv_t etmp; + + __fenv_stfsr(etmp); + etmp &= FE_ALL_EXCEPT; + + __fenv_ldfsr(*e); + + __feraiseexcept (etmp); + + return etmp & ex; +} + +static __always_inline void +libc_feupdateenv (fenv_t *e) +{ + libc_feupdateenv_test (e, 0); +} + +static __always_inline void +libc_feholdsetround (fenv_t *e, int r) +{ + fenv_t etmp; + __fenv_stfsr(etmp); + *(e) = etmp; + etmp = (etmp & ~__FE_ROUND_MASK) | (r); + __fenv_ldfsr(etmp); +} + +static __always_inline void +libc_feresetround (fenv_t *e) +{ + fenv_t etmp; + __fenv_stfsr(etmp); + etmp = (etmp & ~__FE_ROUND_MASK) | (*e & __FE_ROUND_MASK); + __fenv_ldfsr(etmp); +} + +#define libc_feholdexceptf libc_feholdexcept +#define libc_feholdexcept_setroundf libc_feholdexcept_setround +#define libc_fetestexceptf libc_fetestexcept +#define libc_fesetenvf libc_fesetenv +#define libc_feupdateenv_testf libc_feupdateenv_test +#define libc_feupdateenvf libc_feupdateenv +#define libc_feholdsetroundf libc_feholdsetround +#define libc_feresetroundf libc_feresetround +#define libc_feholdexcept libc_feholdexcept +#define libc_feholdexcept_setround libc_feholdexcept_setround +#define libc_fetestexcept libc_fetestexcept +#define libc_fesetenv libc_fesetenv +#define libc_feupdateenv_test libc_feupdateenv_test +#define libc_feupdateenv libc_feupdateenv +#define libc_feholdsetround libc_feholdsetround +#define libc_feresetround libc_feresetround +#define libc_feholdexceptl libc_feholdexcept +#define libc_feholdexcept_setroundl libc_feholdexcept_setround +#define libc_fetestexceptl libc_fetestexcept +#define libc_fesetenvl libc_fesetenv +#define libc_feupdateenv_testl libc_feupdateenv_test +#define libc_feupdateenvl libc_feupdateenv +#define libc_feholdsetroundl libc_feholdsetround +#define libc_feresetroundl libc_feresetround + +#endif /* FENV_PRIVATE_H */ |