On Fri, Nov 4, 2011 at 9:43 AM, Alan Modra <amo...@gmail.com> wrote:
> This patch fixes PR30282, caused by instructions being scheduled over
> the stack reset.  Note that only for ABI_V4 do we currently have
> frame_reg_rtx != sp_reg_rtx in rs6000_emit_stack_reset, so the patch
> doesn't emit *less* blockages.  I did benchmark this change and saw
> nothing but the usual benchmake noise.
>
> Bootstrapped etc. powerpc-linux.  OK to apply?
>
>        * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Always emit
>        blockage for ABI_V4.

Okay.

Thanks, David

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