RFR(S): 8042997: Make intrinsic some or all check index/range methods

[Vladimir Ivanov]

Hotspot part looks good.

I second Aleksey's suggestion to get rid of InlineObjectsCheckIndex flag.

Best regards,
Vladimir Ivanov

On 11/9/15 2:24 PM, Roland Westrelin wrote:
> http://cr.openjdk.java.net/~roland/8042997/webrev.00/
> http://cr.openjdk.java.net/~roland/8042997.jdk/webrev.00/
>
> This intrinsifies Objects.checkIndex() as a CmpU + RangeCheck node sequence that C2 then optimizes using the existing range check optimizations. The goal is allow library code to have range checks that are guaranteed to be properly optimized.
>
> I’m not sure if we want to leave the comment on c2 in the library code.
>
> Roland.
>