On Tue, Aug 13, 2019 at 2:16 PM Richard Biener wrote:
>
>
> The following splits out the DImode chain cost changes from the
> patch adding SImode chain handling. There are two main parts:
>
> 1) fix REG_P (src) && REG_P (dst) costing which currently favors
>SSE because we use COSTS_N_INSNS ba
The following splits out the DImode chain cost changes from the
patch adding SImode chain handling. There are two main parts:
1) fix REG_P (src) && REG_P (dst) costing which currently favors
SSE because we use COSTS_N_INSNS based costs for GPR but move
costs for SSE.
2) Use ix86_cost->ss
