[09/12] Add fesetexcept: powerpc
Commit Message
On Fri, 12 Aug 2016, Paul E. Murphy wrote:
> I don't like the naked constants. I am not faulting the patch for them.
> But in trying to understand them, I had to do some digging. A similar
> snippet shows up in three places in ppc code. fpu/fraiseexcpt.c
> seems to contain the only useful comment. Both clear and succinct.
I've added that comment to fsetexcptflg.c and will add it to fesetexcept.c
in my patch.
2016-08-12 Joseph Myers <joseph@codesourcery.com>
* sysdeps/powerpc/fpu/fsetexcptflg.c (__fesetexceptflag): Add
comment from fraiseexcpt.c.
@@ -36,6 +36,7 @@ __fesetexceptflag (const fexcept_t *flagp, int excepts)
excepts_mask |= FE_ALL_INVALID;
n.l = ((u.l & ~excepts_mask)
| (flag & FPSCR_STICKY_BITS)
+ /* Turn FE_INVALID into FE_INVALID_SOFTWARE. */
| (flag >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT))
& FE_INVALID_SOFTWARE));