[PATCH 3/4 v3] ivopts: Consider cost_step on different forms during unrolling

Segher Boessenkool segher@kernel.crashing.org
Mon Aug 31 19:41:07 GMT 2020


Hi!

Just a note:

On Tue, Aug 25, 2020 at 08:46:55PM +0800, Kewen.Lin wrote:
> 1) Currently address_cost hook on rs6000 always return zero, but at least
> from Power7, pre_inc/pre_dec kind instructions are cracked, it means we
> have to take the address update into account (scalar normal operation).

>From Power4 on already (not sure about Power6, but does anyone care?)


Segher


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