RFR (M): 8005419: Improve intrinsics code performance on x86 by using AVX2

[Vladimir Kozlov]

Thanks, Vitaly

Vladimir

On 1/8/13 4:40 AM, Vitaly Davidovich wrote:
> Hi Vladimir,
>
> Minor spacing issue in macro assembler_x86.hpp:
>
> 5699     int adr_stride  = stride <<scale;
>
> Thanks
>
> Sent from my phone
>
> On Jan 7, 2013 6:27 PM, "Vladimir Kozlov" <vladimir.kozlov at oracle.com
> <mailto:vladimir.kozlov at oracle.com>> wrote:
>
>     http://cr.openjdk.java.net/~__kvn/8005419/webrev/
>     <http://cr.openjdk.java.net/~kvn/8005419/webrev/>
>
>     Use 256bit (AVX2) vpxor,vptest instructions in String.compareTo()
>     and equals() intrinsics.
>
>     Added jtreg test.
>
>     Ran compiler regression tests and ctw.
>
>     Thanks,
>     Vladimir
>