Hi!
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everywhere, and prefixes a space to the existing white lines.]
On Sun, Jun 26, 2022 at 09:56:07PM +0100, Roger Sayle wrote:
> It turns out this optimization already exists in the form of a combine
> splitter in rs6000.md, but th
Hi Roger,
on 2022/6/27 04:56, Roger Sayle wrote:
>
>
> This patch tweaks the code generated on POWER for integer multiplications
>
> by a constant, by making use of rldimi instructions. Much like x86's
>
> lea instruction, rldimi can be used to implement a shift and add pair
>
> in some cir
This patch tweaks the code generated on POWER for integer multiplications
by a constant, by making use of rldimi instructions. Much like x86's
lea instruction, rldimi can be used to implement a shift and add pair
in some circumstances. For rldimi this is when the shifted operand
is known t