[aarch64-port-dev ] RFR: 8221658: aarch64: add necessary predicate for ubfx patterns

[Andrew Haley]

On 4/3/19 2:15 AM, Yangfei (Felix) wrote:
> Updated webrev: http://cr.openjdk.java.net/~fyang/8221658/webrev.01 
> Is this one better? 

It still doesn't look quite right. According to the Java Language Standard,
shifts are all taken mod 32 or mod 64. Therefore, it is not possible for
the shift size to be out of range, surely?

Have you got a reproducer for this failure that I can see?

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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