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diff src/share/vm/adlc/formssel.cpp @ 3854:1af104d6cf99

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7079329: Adjust allocation prefetching for T4 Summary: on T4 2 BIS instructions should be issued to prefetch 64 bytes Reviewed-by: iveresov, phh, twisti
author kvn
date Tue, 16 Aug 2011 16:59:46 -0700
parents 11211f7cb5a0
children ae839d1e7d4c
line wrap: on
line diff
--- a/src/share/vm/adlc/formssel.cpp	Tue Aug 16 11:53:57 2011 -0700
+++ b/src/share/vm/adlc/formssel.cpp	Tue Aug 16 16:59:46 2011 -0700
@@ -3390,7 +3390,9 @@
     "ClearArray"
   };
   int cnt = sizeof(needs_ideal_memory_list)/sizeof(char*);
-  if( strcmp(_opType,"PrefetchRead")==0 || strcmp(_opType,"PrefetchWrite")==0 )
+  if( strcmp(_opType,"PrefetchRead")==0 ||
+      strcmp(_opType,"PrefetchWrite")==0 ||
+      strcmp(_opType,"PrefetchAllocation")==0 )
     return 1;
   if( _lChild ) {
     const char *opType = _lChild->_opType;