On Fri, Dec 29, 2023 at 09:14:52PM -0700, Jeff Law wrote:
> On 12/29/23 10:46, YunQiang Su wrote:
> >When we try to combine RTLs, the result may be very complex,
> >and `rtx_cost` may think that it need lots of costs. But in
> >fact, it may match a pattern in machine descriptions, which
> >may emit
On 12/29/23 10:46, YunQiang Su wrote:
When we try to combine RTLs, the result may be very complex,
and `rtx_cost` may think that it need lots of costs. But in
fact, it may match a pattern in machine descriptions, which
may emit only 1 or 2 hardware instructions. This combination
may be refuse
When we try to combine RTLs, the result may be very complex,
and `rtx_cost` may think that it need lots of costs. But in
fact, it may match a pattern in machine descriptions, which
may emit only 1 or 2 hardware instructions. This combination
may be refused due to cost comparison failure.
Since th
