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8206975: AArch64: Fix CompareAndSwapOp when useLSE is enabled in Graal

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Reviewed-by: adinn, aph
This commit is contained in:
Zhongwei Yao 2018-07-11 15:00:33 +08:00
parent 2e36eebdd2
commit 45158a4766
1 changed files with 1 additions and 1 deletions
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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.aarch64/src/org/graalvm/compiler/lir/aarch64/AArch64AtomicMove.java
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@ -83,7 +83,7 @@ public class AArch64AtomicMove {
if (AArch64LIRFlagsVersioned.useLSE(masm.target.arch)) { if (AArch64LIRFlagsVersioned.useLSE(masm.target.arch)) {
Register expected = asRegister(expectedValue); Register expected = asRegister(expectedValue);
masm.mov(size, result, expected); masm.mov(size, result, expected);
masm.cas(size, expected, newVal, address, true /* acquire */, true /* release */); masm.cas(size, result, newVal, address, true /* acquire */, true /* release */);
AArch64Compare.gpCompare(masm, resultValue, expectedValue); AArch64Compare.gpCompare(masm, resultValue, expectedValue);
} else { } else {
// We could avoid using a scratch register here, by reusing resultValue for the // We could avoid using a scratch register here, by reusing resultValue for the