On Wed, Apr 24, 2013 at 5:01 AM, Alan Modra wrote:
> Practically all of the patterns in rs6000.md having a low-part subreg
> use zero as the byte number. That's correct when little-endian, but
> not when big-endian, so combine loses optimization opportunities.
>
> This patch duplicates the insns
Practically all of the patterns in rs6000.md having a low-part subreg
use zero as the byte number. That's correct when little-endian, but
not when big-endian, so combine loses optimization opportunities.
This patch duplicates the insns for big-endian. I know Segher has
been working on removing t
