Mercurial > hg > truffle
diff src/cpu/x86/vm/x86_64.ad @ 3849:f1c12354c3f7
7074017: Introduce MemBarAcquireLock/MemBarReleaseLock nodes for monitor enter/exit code paths
Summary: replace MemBarAcquire/MemBarRelease nodes on the monitor enter/exit code paths with new MemBarAcquireLock/MemBarReleaseLock nodes
Reviewed-by: kvn, twisti
author | roland |
---|---|
date | Tue, 02 Aug 2011 18:36:40 +0200 |
parents | c7b60b601eb4 |
children | 95134e034042 |
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--- a/src/cpu/x86/vm/x86_64.ad Mon Aug 08 13:19:46 2011 -0700 +++ b/src/cpu/x86/vm/x86_64.ad Tue Aug 02 18:36:40 2011 +0200 @@ -7375,8 +7375,7 @@ instruct membar_acquire_lock() %{ - match(MemBarAcquire); - predicate(Matcher::prior_fast_lock(n)); + match(MemBarAcquireLock); ins_cost(0); size(0); @@ -7398,8 +7397,7 @@ instruct membar_release_lock() %{ - match(MemBarRelease); - predicate(Matcher::post_fast_unlock(n)); + match(MemBarReleaseLock); ins_cost(0); size(0);