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diff src/share/vm/adlc/formssel.cpp @ 6795:7eca5de9e0b6

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7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() Summary: use shorter instruction sequences for atomic add and atomic exchange when possible. Reviewed-by: kvn, jrose
author roland
date Thu, 20 Sep 2012 16:49:17 +0200
parents da91efe96a93
children 0702f188baeb
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line diff
--- a/src/share/vm/adlc/formssel.cpp	Wed Sep 19 16:50:26 2012 -0700
+++ b/src/share/vm/adlc/formssel.cpp	Thu Sep 20 16:49:17 2012 +0200
@@ -751,6 +751,7 @@
         !strcmp(_matrule->_rChild->_opType,"DecodeN")    ||
         !strcmp(_matrule->_rChild->_opType,"EncodeP")    ||
         !strcmp(_matrule->_rChild->_opType,"LoadN")      ||
+        !strcmp(_matrule->_rChild->_opType,"GetAndSetN") ||
         !strcmp(_matrule->_rChild->_opType,"LoadNKlass") ||
         !strcmp(_matrule->_rChild->_opType,"CreateEx")   ||  // type of exception
         !strcmp(_matrule->_rChild->_opType,"CheckCastPP")) ) return true;
@@ -3399,7 +3400,9 @@
     "StorePConditional", "StoreIConditional", "StoreLConditional",
     "CompareAndSwapI", "CompareAndSwapL", "CompareAndSwapP", "CompareAndSwapN",
     "StoreCM",
-    "ClearArray"
+    "ClearArray",
+    "GetAndAddI", "GetAndSetI", "GetAndSetP",
+    "GetAndAddL", "GetAndSetL", "GetAndSetN",
   };
   int cnt = sizeof(needs_ideal_memory_list)/sizeof(char*);
   if( strcmp(_opType,"PrefetchRead")==0 ||