RFR: JDK-8213745: Don't use memset to initialize array of RegMask in matcher.cpp

[Vladimir Kozlov]

Good.

Thanks,
Vladimir

On 11/12/18 7:53 AM, Roman Kennke wrote:
> While working on something in src/hotspot/share/opto/matcher.cpp I
> noticed the compiler (gcc 8.2.1) complaining/warning about using memset
> to initialize a RegMask[]. We should use the RegMask initializer instead.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8213745
> Webrev:
> http://cr.openjdk.java.net/~rkennke/JDK-8213745/webrev.00/
> 
> Testing: passes tier1
> 
> Ok?
> 
> Roman
>