RFR(XS): 8143930: C1 LinearScan asserts when compiling two back-to-back CompareAndSwapLongs

[Aleksey Shipilev]

On 12/01/2015 02:35 PM, Roland Westrelin wrote:
> http://cr.openjdk.java.net/~roland/8143930/webrev.00/
> 
> The problem is that loading values in pinned registers and then
> computing the address for the CAS puts too much pressure on
> registers. The fix consists in loading values in pinned registers
> right before the CAS.

I have tested this fix before on our new Unsafe tests.

FTR, this patch looks good to me.

Thanks,
-Aleksey

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