On 9/11/19 1:12 PM, Richard Sandiford wrote:
> For -fipa-ra, IRA already keeps track of which specific registers
> are call-clobbered in a region, rather than using global information.
> The patch generalises this so that it tracks which ABIs are used
> by calls in the region.
>
> We can then use
For -fipa-ra, IRA already keeps track of which specific registers
are call-clobbered in a region, rather than using global information.
The patch generalises this so that it tracks which ABIs are used
by calls in the region.
We can then use the new ABI descriptors to handle partially-clobbered
reg