diff options
Diffstat (limited to 'lib/msun/arm/fenv.h')
| -rw-r--r-- | lib/msun/arm/fenv.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/lib/msun/arm/fenv.h b/lib/msun/arm/fenv.h index 0a994329584a..d540ae2d5dbb 100644 --- a/lib/msun/arm/fenv.h +++ b/lib/msun/arm/fenv.h @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG> + * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -180,19 +180,29 @@ feupdateenv(const fenv_t *__envp) #if __BSD_VISIBLE static __inline int -fesetmask(int __mask) +feenableexcept(int __mask) { - fenv_t __fpsr; + fenv_t __old_fpsr, __new_fpsr; - __rfs(&__fpsr); - __fpsr &= ~_ENABLE_MASK; - __fpsr |= __mask << _FPUSW_SHIFT; - __wfs(__fpsr); - return (0); + __rfs(&__old_fpsr); + __new_fpsr = __old_fpsr | (__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT; + __wfs(__new_fpsr); + return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); +} + +static __inline int +fedisableexcept(int __mask) +{ + fenv_t __old_fpsr, __new_fpsr; + + __rfs(&__old_fpsr); + __new_fpsr = __old_fpsr & ~((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT); + __wfs(__new_fpsr); + return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); } static __inline int -fegetmask(void) +fegetexcept(void) { fenv_t __fpsr; |