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

[Paul Sandoz]

Hi Roland,

Many thanks for fixing this.

Can you update the test so it uses jdk.internal.misc.Unsafe rather than sun.misc.Unsafe?

Paul.

> On 1 Dec 2015, at 12:35, Roland Westrelin <roland.westrelin at oracle.com> 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.
> 
> Roland.

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