diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/fsetexcptflg.c')
| -rw-r--r-- | sysdeps/powerpc/fpu/fsetexcptflg.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sysdeps/powerpc/fpu/fsetexcptflg.c b/sysdeps/powerpc/fpu/fsetexcptflg.c index 95193c1010..cee6682b64 100644 --- a/sysdeps/powerpc/fpu/fsetexcptflg.c +++ b/sysdeps/powerpc/fpu/fsetexcptflg.c @@ -21,7 +21,7 @@ int __fesetexceptflag (const fexcept_t *flagp, int excepts) { - fenv_union_t u; + fenv_union_t u, n; fexcept_t flag; /* Get the current state. */ @@ -31,7 +31,7 @@ __fesetexceptflag (const fexcept_t *flagp, int excepts) flag = *flagp & excepts; /* Replace the exception status */ - u.l = ((u.l & ~(FPSCR_STICKY_BITS & excepts)) + n.l = ((u.l & ~(FPSCR_STICKY_BITS & excepts)) | (flag & FPSCR_STICKY_BITS) | (flag >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT)) & FE_INVALID_SOFTWARE)); @@ -39,7 +39,8 @@ __fesetexceptflag (const fexcept_t *flagp, int excepts) /* 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); + if (n.l != u.l) + fesetenv_register (u.fenv); /* Deal with FE_INVALID_SOFTWARE not being implemented on some chips. */ if (flag & FE_INVALID) |