[10] RFR(XXS): 8186666: Bug in the C2 matcher code

[Rahul Raghavan]

Hi,

Please review the following small fix proposal:

<webrev.00> - http://cr.openjdk.java.net/~rraghavan/8186666/webrev.00/

[src/share/vm/opto/c2compiler.cpp]
   case vmIntrinsics::_weakCompareAndSetInt:
-    if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapL)) return 
false;
+    if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapI)) return 
false;


<jbs> - https://bugs.openjdk.java.net/browse/JDK-8186666
<email thread> - 
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2017-August/026820.html

Thank you Andrew Haley for reporting, contributing the fix.


Thanks,
Rahul