RFR(S): 8243670: Unexpected test result caused by C2 MergeMemNode::Ideal

[Yangfei (Felix)]

Hi Tobias,

> -----Original Message-----
> From: Tobias Hartmann [mailto:tobias.hartmann at oracle.com]
> Sent: Tuesday, June 23, 2020 3:10 PM
> To: Yangfei (Felix) <felix.yang at huawei.com>; hotspot-compiler-
> dev at openjdk.java.net
> Subject: Re: RFR(S): 8243670: Unexpected test result caused by C2
> MergeMemNode::Ideal
> 
> 
> On 19.06.20 09:49, Tobias Hartmann wrote:
> > Let me run this through some performance testing, to see if it makes a
> difference.
> 
> Performance testing did not show any significant difference but I would still
> prefer the solution suggested by Roland.

Thanks for the effort :-)
The latest patch is: http://cr.openjdk.java.net/~fyang/8243670/webrev.02 
Please also take a look. 
I guess we might need another round of performance testing for this patch? 

Felix