diff options
Diffstat (limited to 'ports/sysdeps/arm/fesetenv.c')
| -rw-r--r-- | ports/sysdeps/arm/fesetenv.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/ports/sysdeps/arm/fesetenv.c b/ports/sysdeps/arm/fesetenv.c index 2fad61da1a..8f5349c4d3 100644 --- a/ports/sysdeps/arm/fesetenv.c +++ b/ports/sysdeps/arm/fesetenv.c @@ -1,5 +1,5 @@ /* Install given floating-point environment. - Copyright (C) 2004-2012 Free Software Foundation, Inc. + Copyright (C) 2004-2013 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -40,6 +40,16 @@ __fesetenv (const fenv_t *envp) _FPU_SETCW (temp); + if (envp == FE_NOMASK_ENV) + { + /* VFPv3 and VFPv4 do not support trapping exceptions, so + test whether the relevant bits were set and fail if + not. */ + _FPU_GETCW (temp); + if ((temp & _FPU_IEEE) != _FPU_IEEE) + return 1; + } + /* Success. */ return 0; } |