diff options
Diffstat (limited to 'sysdeps/powerpc/fsetexcptflg.c')
-rw-r--r-- | sysdeps/powerpc/fsetexcptflg.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sysdeps/powerpc/fsetexcptflg.c b/sysdeps/powerpc/fsetexcptflg.c index 4279b74..b762552 100644 --- a/sysdeps/powerpc/fsetexcptflg.c +++ b/sysdeps/powerpc/fsetexcptflg.c @@ -23,15 +23,26 @@ void fesetexceptflag (const fexcept_t *flagp, int excepts) { fenv_union_t u; + fexcept_t flag; /* Get the current state. */ u.fenv = fegetenv_register (); + /* Ignore exceptions not listed in 'excepts'. */ + flag = *flagp & excepts; + /* Replace the exception status */ - u.l[1] = u.l[1] & FPSCR_STICKY_BITS | *flagp & FE_to_sticky (excepts); + u.l[1] = (u.l[1] & ~(FPSCR_STICKY_BITS & excepts) + | flag & FPSCR_STICKY_BITS + | (flag >> (31 - FPSCR_VX) - (31 - FPSCR_VXSOFT) + & FE_INVALID_SOFTWARE)); /* Store the new status word (along with the rest of the environment). This may cause floating-point exceptions if the restored state requests it. */ fesetenv_register (u.fenv); + + /* Deal with FE_INVALID_SOFTWARE not being implemented on some chips. */ + if (flag & FE_INVALID) + feraiseexcept(FE_INVALID); } |