Mercurial > hg > truffle
diff src/share/vm/opto/matcher.cpp @ 3854:1af104d6cf99
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 |
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--- 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;