[9] RFR(S): 8075136: Unnecessary sign extension for byte array access

Andrew Haley aph at redhat.com
Wed Mar 18 11:49:43 UTC 2015

On 03/18/2015 11:45 AM, Andrew Dinn wrote:
> On 18/03/15 11:38, Andrew Haley wrote:
>>> I still wonder if it would pay off to remove the sign extension
>>> completely (as we do on x86)?
> I don't know if this actually matters. I don't have any evidence to
> suggest that sxtw is going to cost any more than uxtw. Perhaps andrew
> Haley can comment on this?

It doesn't.


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