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.
jeff
