On 03/11/15 08:44, David Edelsohn wrote:
On Mon, Mar 9, 2015 at 7:30 PM, Michael Meissner
wrote:
This bug was one I unfortunately introduced with the -mupper-regs support. If
the reload pass needed to reload a PLUS operation (for example, due to using
odd address with the LD/STD instructions),
Jeff,
I completely agree. The example exposed a problematic alternative in
the pattern and I would like to fix a latent problem, in addition to
Mike's patch.
Thanks, David
On Wed, Mar 11, 2015 at 12:05 PM, Jeff Law wrote:
> On 03/11/15 08:44, David Edelsohn wrote:
>>
>> On Mon, Mar 9, 2015 at
On Mon, Mar 9, 2015 at 7:30 PM, Michael Meissner
wrote:
> This bug was one I unfortunately introduced with the -mupper-regs support. If
> the reload pass needed to reload a PLUS operation (for example, due to using
> odd address with the LD/STD instructions), it would go through all of the
> regi
This bug was one I unfortunately introduced with the -mupper-regs support. If
the reload pass needed to reload a PLUS operation (for example, due to using
odd address with the LD/STD instructions), it would go through all of the
registers you could load DImode into, and see if it is a preferred re
