RFR(M): PPC64: improve array copy stubs by using vector instructions

[Gustavo Romero]

Hi Martin

Thank you for reviewing the change.

Best regards,
Gustavo

On 23-05-2016 12:51, Doerr, Martin wrote:
> Hi Gustavo,
> 
> thanks for implementing it and taking care of my concerns. Looks good, now.
> I will run tests and I can sponsor it after it was reviewed.
> 
> Best regards,
> Martin
> 
> -----Original Message-----
> From: Gustavo Romero [mailto:gromero at linux.vnet.ibm.com] 
> Sent: Montag, 23. Mai 2016 16:22
> To: Doerr, Martin <martin.doerr at sap.com>; ppc-aix-port-dev at openjdk.java.net; hotspot-dev at openjdk.java.net
> Cc: Simonis, Volker <volker.simonis at sap.com>; brenohl at br.ibm.com
> Subject: RFR(M): PPC64: improve array copy stubs by using vector instructions
> 
> Hi Martin
> 
> Could you please host and review this webrev?
> 
> Summary:
> 
> * Add VSR registers to be used with VSX instruction set;
> * Add VSX load/store instructions (lxvd2x/stxvd2x) to mass copy in
>   the stub for disjoint short copy in order to improve it.
> 
> http://81.de.7a9f.ip4.static.sl-reverse.com./8154156/9/v4/
> 
> Thank you!
> 
> Best regards,
> Gustavo
>