Mercurial > hg > openjdk > hsx20
changeset 2043:08b8a97af1a8
7014247: CTW fails when compile sun/misc/AtomicLongCSImpl (REMOVED from JDK7)
Summary: Use lea to compute field address in AtomicLongCSImpl::attemptUpdate() intrinsic on x86.
Reviewed-by: never, kvn
author | iveresov |
---|---|
date | Tue, 25 Jan 2011 18:00:18 -0800 |
parents | d535bf4c1235 |
children | a2320a6088f0 |
files | src/cpu/x86/vm/c1_LIRGenerator_x86.cpp |
diffstat | 1 files changed, 3 insertions(+), 3 deletions(-) [+] |
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--- a/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp Fri Jan 21 02:07:11 2011 -0800 +++ b/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp Tue Jan 25 18:00:18 2011 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -733,8 +733,8 @@ // generate compare-and-swap; produces zero condition if swap occurs int value_offset = sun_misc_AtomicLongCSImpl::value_offset(); - LIR_Opr addr = obj.result(); - __ add(addr, LIR_OprFact::intConst(value_offset), addr); + LIR_Opr addr = new_pointer_register(); + __ leal(LIR_OprFact::address(new LIR_Address(obj.result(), value_offset, T_LONG)), addr); LIR_Opr t1 = LIR_OprFact::illegalOpr; // no temp needed LIR_Opr t2 = LIR_OprFact::illegalOpr; // no temp needed __ cas_long(addr, cmp_value.result(), new_value.result(), t1, t2);