[aarch64-port-dev ] RFR: 8179933: aarch64: incorrect match rule for immL_63 and immL_255

[Andrew Haley]

On 12/05/17 10:14, Zhongwei Yao wrote:
> On 12 May 2017 at 16:14, Andrew Haley <aph at redhat.com> wrote:
>> So it's
>>
>>    ((aLong >> 63) >>> 63)
>>
>> This is so weird I don't know what to think about it.
> 
> Yeah, it is weird. I was thinking (aLong >>> 63) should be enough. Shall we
> just remove this pattern?

Well, maybe there was a reason for it.

Andrew.