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diff src/share/vm/opto/matcher.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 f1c12354c3f7
children c26de9aef2ed
line wrap: on
line diff
--- a/src/share/vm/opto/matcher.cpp	Tue Aug 16 11:53:57 2011 -0700
+++ b/src/share/vm/opto/matcher.cpp	Tue Aug 16 16:59:46 2011 -0700
@@ -826,6 +826,7 @@
     switch (n->Opcode()) {
     case Op_PrefetchRead:
     case Op_PrefetchWrite:
+    case Op_PrefetchAllocation:
       nidx = Compile::AliasIdxRaw;
       nat = TypeRawPtr::BOTTOM;
       break;