diff options
Diffstat (limited to 'sysdeps/s390/fpu/fgetexcptflg.c')
| -rw-r--r-- | sysdeps/s390/fpu/fgetexcptflg.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/s390/fpu/fgetexcptflg.c b/sysdeps/s390/fpu/fgetexcptflg.c index c14dc15c25..0a5a081d30 100644 --- a/sysdeps/s390/fpu/fgetexcptflg.c +++ b/sysdeps/s390/fpu/fgetexcptflg.c @@ -27,7 +27,13 @@ fegetexceptflag (fexcept_t *flagp, int excepts) /* Get the current exceptions. */ _FPU_GETCW (temp); - newexcepts = (excepts << FPC_DXC_SHIFT) | (excepts << FPC_FLAGS_SHIFT); + newexcepts = excepts << FPC_FLAGS_SHIFT; + if ((temp & FPC_NOT_FPU_EXCEPTION) == 0) + /* Bits 6, 7 of dxc-byte are zero, + thus bits 0-5 of dxc-byte correspond to the flag-bits. + Evaluate flags and last dxc-exception-code. */ + newexcepts |= excepts << FPC_DXC_SHIFT; + *flagp = temp & newexcepts; /* Success. */ |