diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/feenablxcpt.c')
| -rw-r--r-- | sysdeps/powerpc/fpu/feenablxcpt.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sysdeps/powerpc/fpu/feenablxcpt.c b/sysdeps/powerpc/fpu/feenablxcpt.c index 8ad0f97ac7..01a68cf086 100644 --- a/sysdeps/powerpc/fpu/feenablxcpt.c +++ b/sysdeps/powerpc/fpu/feenablxcpt.c @@ -22,15 +22,17 @@ int feenableexcept (int excepts) { - fenv_union_t fe; - int result, new; + fenv_union_t fe, curr; + int result = 0, new; - result = __fegetexcept (); + /* Get current exception mask to return. */ + fe.fenv = curr.fenv = fegetenv_register (); + result = fenv_reg_to_exceptions (fe.l); if ((excepts & FE_ALL_INVALID) == FE_ALL_INVALID) excepts = (excepts | FE_INVALID) & ~ FE_ALL_INVALID; - fe.fenv = fegetenv_register (); + /* Sets the new exception mask. */ if (excepts & FE_INEXACT) fe.l |= (1 << (31 - FPSCR_XE)); if (excepts & FE_DIVBYZERO) @@ -41,7 +43,9 @@ feenableexcept (int excepts) fe.l |= (1 << (31 - FPSCR_OE)); if (excepts & FE_INVALID) fe.l |= (1 << (31 - FPSCR_VE)); - fesetenv_register (fe.fenv); + + if (fe.l != curr.l) + fesetenv_register (fe.fenv); new = __fegetexcept (); if (new != 0 && result == 0) |