RFR 8222989 [lworld] Calling convention - C2 to C1 (oop params)

[Tobias Hartmann]

Hi Ioi,

looks good to me!

Thanks,
Tobias

On 30.04.19 06:04, Ioi Lam wrote:
> https://bugs.openjdk.java.net/browse/JDK-8222989
> http://cr.openjdk.java.net/~iklam/valhalla/8222989-c1-calling-convention-oops.v01/
> 
> Many files are changed, but mostly are just for passing an extra 'tmp3'
> parameter to BarrierSetAssembler::store_at(). The old G1 implementation
> hard-codes tmp3==r8, but this conflicts with the Java calling convention
> that uses r8 for passing parameters.
> 
> My next step is to handle GC that happens when the C1 entry points allocate
> buffered objects of inline class types. See JDK-8223110
> 
> Thanks
> - Ioi
> 
>