Hi Segher,
Thanks for your review, and helpful comments!
Segher Boessenkool writes:
> Hi!
>
> Mostlt nitpicking left:
>
> On Mon, Dec 19, 2022 at 10:06:45PM +0800, Jiufu Guo wrote:
>> When checking eq/ne with a constant which has only 16bits, it can be
>> optimized to check the rotated data.
Hi!
Mostlt nitpicking left:
On Mon, Dec 19, 2022 at 10:06:45PM +0800, Jiufu Guo wrote:
> When checking eq/ne with a constant which has only 16bits, it can be
> optimized to check the rotated data. By this, the constant building
> is optimized.
>
> As the example in PR103743:
> For "in == 0x8000
Hi,
When checking eq/ne with a constant which has only 16bits, it can be
optimized to check the rotated data. By this, the constant building
is optimized.
As the example in PR103743:
For "in == 0x8000LL", this patch generates:
rotldi 3,3,1 ; cmpldi 0,3,1
instead of:
l
