On Mon, Dec 18, 2017 at 12:16:13PM -0700, Jeff Law wrote:
> On 12/16/2017 02:03 PM, Segher Boessenkool wrote:
> > In PR83424 combine's move_deaths puts a REG_DEAD not in the wrong place
> > because dead_or_set_regno_p does not account for CLOBBER insns. This
> > fixes it.
> >
> > Bootstrapped and tested on powerpc64-linux {-m32,-m64} and on x86_64-linux.
> > Is this okay for trunk?
> >
> >
> > Segher
> >
> >
> > 2017-12-16 Segher Boessenkool <seg...@kernel.crashing.org>
> >
> > PR rtl-optimization/83424
> > * rtlanal.c (dead_or_set_regno_p): Handle CLOBBER just like SET.
> >
> > gcc/testsuite/
> > PR rtl-optimization/83424
> > * gcc.dg/pr83424.c: New testsuite.
> OK.
Is this okay for backports to 7 and 6, too?
Segher
