Mercurial > hg > graal-jvmci-8
changeset 23313:6758183dd36b
Add LoadLoad to the implicit memory barriers on AMD64
* See http://gee.cs.oswego.edu/dl/jmm/cookbook.html
and src/cpu/x86/vm/c1_LIRAssembler_x86.cpp for reference.
author | Benoit Daloze <benoit.daloze@jku.at> |
---|---|
date | Fri, 26 Feb 2016 13:21:28 +0100 |
parents | fb20e2d4f0bc |
children | 2d1ca131b8be |
files | jvmci/jdk.vm.ci.amd64/src/jdk/vm/ci/amd64/AMD64.java |
diffstat | 1 files changed, 2 insertions(+), 1 deletions(-) [+] |
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--- a/jvmci/jdk.vm.ci.amd64/src/jdk/vm/ci/amd64/AMD64.java Tue Feb 23 13:09:08 2016 -0800 +++ b/jvmci/jdk.vm.ci.amd64/src/jdk/vm/ci/amd64/AMD64.java Fri Feb 26 13:21:28 2016 +0100 @@ -22,6 +22,7 @@ */ package jdk.vm.ci.amd64; +import static jdk.vm.ci.code.MemoryBarriers.LOAD_LOAD; import static jdk.vm.ci.code.MemoryBarriers.LOAD_STORE; import static jdk.vm.ci.code.MemoryBarriers.STORE_STORE; import static jdk.vm.ci.code.Register.SPECIAL; @@ -219,7 +220,7 @@ private final AMD64Kind largestKind; public AMD64(EnumSet<CPUFeature> features, EnumSet<Flag> flags) { - super("AMD64", AMD64Kind.QWORD, ByteOrder.LITTLE_ENDIAN, true, allRegisters, LOAD_STORE | STORE_STORE, 1, 8); + super("AMD64", AMD64Kind.QWORD, ByteOrder.LITTLE_ENDIAN, true, allRegisters, LOAD_LOAD | LOAD_STORE | STORE_STORE, 1, 8); this.features = features; this.flags = flags; assert features.contains(CPUFeature.SSE2) : "minimum config for x64";