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8252853: AArch64: gc/shenandoah/TestVerifyJCStress.java fails intermittently with C1 #68

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8252853: AArch64: gc/shenandoah/TestVerifyJCStress.java fails intermittently with C1 #68

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11 changes: 2 additions & 9 deletions src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp
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Expand Up @@ -302,16 +302,9 @@ void ShenandoahBarrierSetAssembler::load_reference_barrier_native(MacroAssembler

void ShenandoahBarrierSetAssembler::storeval_barrier(MacroAssembler* masm, Register dst, Register tmp) {
if (ShenandoahStoreValEnqueueBarrier) {
// Save possibly live regs.
RegSet live_regs = RegSet::range(r0, r4) - dst;
__ push(live_regs, sp);
__ strd(v0, __ pre(sp, 2 * -wordSize));

__ push_call_clobbered_registers();
satb_write_barrier_pre(masm, noreg, dst, rthread, tmp, true, false);

// Restore possibly live regs.
__ ldrd(v0, __ post(sp, 2 * wordSize));
__ pop(live_regs, sp);
__ pop_call_clobbered_registers();
}
}

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7 changes: 6 additions & 1 deletion test/hotspot/jtreg/gc/shenandoah/TestVerifyJCStress.java
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
* Copyright (c) 2017, 2020, Red Hat, Inc. 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
Expand Down Expand Up @@ -69,6 +69,11 @@
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
* -XX:+ShenandoahVerify -XX:+IgnoreUnrecognizedVMOptions -XX:+ShenandoahVerifyOptoBarriers
* TestVerifyJCStress
*
* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions
* -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
* -XX:+ShenandoahVerify -XX:+IgnoreUnrecognizedVMOptions -XX:TieredStopAtLevel=1
* TestVerifyJCStress
*/

import java.util.*;
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