Request for reviews (XS): 6883468 for HS16 and HS17

[Changpeng Fang]

Look Good!

Changpeng


On 09/25/09 09:23, Vladimir Kozlov wrote:
>
> http://cr.openjdk.java.net/~kvn/6883468/webrev.00
>
> Fixed 6883468: C2 compiler enters infinite loop in 
> PhaseIterGVN::transform
>
> Problem:
> There is ideal transformation ping-pong between AddPNode::Ideal()
> for raw pointer and CastX2PNode::Ideal() transformation which
> reconstruct raw AddP node again with the same input SubI(#0, Phi).
>
> Solution:
> Avoid transformation in CastX2PNode::Ideal() if input is SubI node
> and its in(1) is ConI(#0).
>
> Reviewed by:
>
> Fix verified (y/n): y, by customer
>
> Other testing:
> JPRT
>