openjdk · sarannat · Nov 21, 2025 · Nov 26, 2025
diff --git a/test/hotspot/jtreg/compiler/c2/TestMergeStores.java b/test/hotspot/jtreg/compiler/c2/TestMergeStores.java
@@ -34,6 +34,7 @@
 /*
  * @test
  * @bug 8318446 8331054 8331311 8335392 8347405
+ * @key randomness
  * @summary Test merging of consecutive stores
  * @modules java.base/jdk.internal.misc
  * @library /test/lib /
@@ -43,6 +44,7 @@
 /*
  * @test
  * @bug 8318446 8331054 8331311 8335392 8347405
+ * @key randomness
  * @summary Test merging of consecutive stores
  * @modules java.base/jdk.internal.misc
  * @library /test/lib /
@@ -52,6 +54,7 @@
 /*
  * @test
  * @bug 8318446 8331054 8331311 8335392 8348959 8351414
+ * @key randomness
  * @summary Test merging of consecutive stores
  * @modules java.base/jdk.internal.misc
  * @library /test/lib /

diff --git a/test/hotspot/jtreg/compiler/c2/TestMergeStoresMemorySegment.java b/test/hotspot/jtreg/compiler/c2/TestMergeStoresMemorySegment.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2024, 2025, 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
@@ -34,6 +34,7 @@
 /*
  * @test id=byte-array
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment ByteArray
@@ -42,6 +43,7 @@
 /*
  * @test id=char-array
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment CharArray
@@ -50,6 +52,7 @@
 /*
  * @test id=short-array
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment ShortArray
@@ -58,6 +61,7 @@
 /*
  * @test id=int-array
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment IntArray
@@ -66,6 +70,7 @@
 /*
  * @test id=long-array
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment LongArray
@@ -74,6 +79,7 @@
 /*
  * @test id=float-array
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment FloatArray
@@ -82,6 +88,7 @@
 /*
  * @test id=double-array
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment DoubleArray
@@ -90,6 +97,7 @@
 /*
  * @test id=byte-buffer
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment ByteBuffer
@@ -98,6 +106,7 @@
 /*
  * @test id=byte-buffer-direct
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment ByteBufferDirect
@@ -106,6 +115,7 @@
 /*
  * @test id=native
  * @bug 8335392
+ * @key randomness
  * @summary Test MergeStores optimization for MemorySegment
  * @library /test/lib /
  * @run driver compiler.c2.TestMergeStoresMemorySegment Native

diff --git a/test/hotspot/jtreg/compiler/c2/TestMinMaxSubword.java b/test/hotspot/jtreg/compiler/c2/TestMinMaxSubword.java
@@ -31,6 +31,7 @@
 /*
  * @test
  * @bug 8294816
+ * @key randomness
  * @summary Test Math.min/max vectorization miscompilation for integer subwords
  * @library /test/lib /
  * @requires vm.compiler2.enabled

diff --git a/test/hotspot/jtreg/compiler/c2/aarch64/TestFloat16Replicate.java b/test/hotspot/jtreg/compiler/c2/aarch64/TestFloat16Replicate.java
@@ -23,6 +23,7 @@
 /**
 * @test
 * @bug 8361582
+* @key randomness
 * @summary Ensure the correct backend replicate node is being generated for
 *          half precision float constants on >16B SVE machines
 * @modules jdk.incubator.vector

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/ModDNodeTests.java b/test/hotspot/jtreg/compiler/c2/irTests/ModDNodeTests.java
@@ -30,6 +30,7 @@
 /*
  * @test
  * @bug 8345766
+ * @key randomness
  * @summary Test that Ideal transformations of ModDNode are being performed as expected.
  * @library /test/lib /
  * @run driver compiler.c2.irTests.ModDNodeTests

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/ModFNodeTests.java b/test/hotspot/jtreg/compiler/c2/irTests/ModFNodeTests.java
@@ -30,6 +30,7 @@
 /*
  * @test
  * @bug 8345766
+ * @key randomness
  * @summary Test that Ideal transformations of ModFNode are being performed as expected.
  * @library /test/lib /
  * @run driver compiler.c2.irTests.ModFNodeTests

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/ModINodeIdealizationTests.java b/test/hotspot/jtreg/compiler/c2/irTests/ModINodeIdealizationTests.java
@@ -32,6 +32,7 @@
 /*
  * @test
  * @bug 8332268
+ * @key randomness
  * @summary Test that Ideal transformations of ModINode* are being performed as expected.
  * @library /test/lib /
  * @run driver compiler.c2.irTests.ModINodeIdealizationTests

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/ModLNodeIdealizationTests.java b/test/hotspot/jtreg/compiler/c2/irTests/ModLNodeIdealizationTests.java
@@ -32,6 +32,7 @@
 /*
  * @test
  * @bug 8267265
+ * @key randomness
  * @summary Test that Ideal transformations of ModLNode* are being performed as expected.
  * @library /test/lib /
  * @run driver compiler.c2.irTests.ModLNodeIdealizationTests

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/TestMulNodeIdealization.java b/test/hotspot/jtreg/compiler/c2/irTests/TestMulNodeIdealization.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2022, 2025, 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
@@ -31,6 +31,7 @@
 /*
  * @test
  * @bug 8291336
+ * @key randomness
  * @summary Test that transformation of multiply-by-2 is appropriately turned into additions.
  * @library /test/lib /
  * @requires vm.compiler2.enabled

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/TestShiftAndMask.java b/test/hotspot/jtreg/compiler/c2/irTests/TestShiftAndMask.java
@@ -31,6 +31,7 @@
 /*
  * @test
  * @bug 8277850 8278949 8285793 8346664
+ * @key randomness
  * @summary C2: optimize mask checks in counted loops
  * @library /test/lib /
  * @run driver compiler.c2.irTests.TestShiftAndMask

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/UDivINodeIdealizationTests.java b/test/hotspot/jtreg/compiler/c2/irTests/UDivINodeIdealizationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2022, 2025, 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
@@ -32,6 +32,7 @@
 /*
  * @test
  * @bug 8332268
+ * @key randomness
  * @summary Test that Ideal transformations of UDivINode* are being performed as expected.
  * @library /test/lib /
  * @run driver compiler.c2.irTests.UDivINodeIdealizationTests

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/UDivLNodeIdealizationTests.java b/test/hotspot/jtreg/compiler/c2/irTests/UDivLNodeIdealizationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2022, 2025, 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
@@ -32,6 +32,7 @@
 /*
  * @test
  * @bug 8332268
+ * @key randomness
  * @summary Test that Ideal transformations of UDivLNode* are being performed as expected.
  * @library /test/lib /
  * @run driver compiler.c2.irTests.UDivLNodeIdealizationTests

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/UModINodeIdealizationTests.java b/test/hotspot/jtreg/compiler/c2/irTests/UModINodeIdealizationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2022, 2025, 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
@@ -32,6 +32,7 @@
 /*
  * @test
  * @bug 8332268
+ * @key randomness
  * @summary Test that Ideal transformations of UModINode* are being performed as expected.
  * @library /test/lib /
  * @run driver compiler.c2.irTests.UModINodeIdealizationTests

diff --git a/test/hotspot/jtreg/compiler/c2/irTests/UModLNodeIdealizationTests.java b/test/hotspot/jtreg/compiler/c2/irTests/UModLNodeIdealizationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2022, 2025, 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
@@ -32,6 +32,7 @@
 /*
  * @test
  * @bug 8332268
+ * @key randomness
  * @summary Test that Ideal transformations of UModLNode* are being performed as expected.
  * @library /test/lib /
  * @run driver compiler.c2.irTests.UModLNodeIdealizationTests

diff --git a/test/hotspot/jtreg/compiler/controldependency/TestDivDependentOnMainLoopGuard.java b/test/hotspot/jtreg/compiler/controldependency/TestDivDependentOnMainLoopGuard.java
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 8349139
+ * @key randomness
  * @summary C2: Div looses dependency on condition that guarantees divisor not null in counted loop
  * @library /test/lib /
  * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=TestDivDependentOnMainLoopGuard::*

diff --git a/test/hotspot/jtreg/compiler/igvn/ExpressionFuzzer.java b/test/hotspot/jtreg/compiler/igvn/ExpressionFuzzer.java
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 8359412
+ * @key randomness
  * @summary Use the template framework library to generate random expressions.
  * @modules java.base/jdk.internal.misc
  * @library /test/lib /

diff --git a/test/hotspot/jtreg/compiler/intrinsics/float16/TestFloat16MaxMinSpecialValues.java b/test/hotspot/jtreg/compiler/intrinsics/float16/TestFloat16MaxMinSpecialValues.java
@@ -30,6 +30,7 @@
 /**
  * @test
  * @bug 8352585
+ * @key randomness
  * @library /test/lib /
  * @summary Add special case handling for Float16.max/min x86 backend
  * @modules jdk.incubator.vector

diff --git a/test/hotspot/jtreg/compiler/loopopts/InvariantCodeMotionReassociateAddSub.java b/test/hotspot/jtreg/compiler/loopopts/InvariantCodeMotionReassociateAddSub.java
@@ -31,6 +31,7 @@
 /*
  * @test
  * @bug 8323220
+ * @key randomness
  * @summary Test loop invariant code motion of add/sub through reassociation
  * @library /test/lib /
  * @run driver compiler.c2.loopopts.InvariantCodeMotionReassociateAddSub

diff --git a/test/hotspot/jtreg/compiler/loopopts/InvariantCodeMotionReassociateCmp.java b/test/hotspot/jtreg/compiler/loopopts/InvariantCodeMotionReassociateCmp.java
@@ -31,6 +31,7 @@
 /*
  * @test
  * @bug 8323220
+ * @key randomness
  * @summary Test loop invariant code motion for cmp nodes through reassociation
  * @library /test/lib /
  * @run driver compiler.c2.loopopts.InvariantCodeMotionReassociateCmp

diff --git a/test/hotspot/jtreg/compiler/loopopts/parallel_iv/TestParallelIvInIntCountedLoop.java b/test/hotspot/jtreg/compiler/loopopts/parallel_iv/TestParallelIvInIntCountedLoop.java
@@ -32,6 +32,7 @@
 /**
  * @test
  * @bug 8328528
+ * @key randomness
  * @summary test the long typed parallel iv replacing transformation for int counted loop
  * @library /test/lib /
  * @requires vm.compiler2.enabled

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/MinMaxRed_Int.java b/test/hotspot/jtreg/compiler/loopopts/superword/MinMaxRed_Int.java
@@ -24,6 +24,7 @@
 /**
  * @test
  * @bug 8302673
+ * @key randomness
  * @summary [SuperWord] MaxReduction and MinReduction should vectorize for int
  * @library /test/lib /
  * @run driver compiler.loopopts.superword.MinMaxRed_Int

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/ReductionPerf.java b/test/hotspot/jtreg/compiler/loopopts/superword/ReductionPerf.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2025, 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
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 8074981 8302652
+ * @key randomness
  * @summary Test SuperWord Reduction Perf.
  * @library /test/lib /
  * @run main/othervm -Xbatch

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/TestAliasing.java b/test/hotspot/jtreg/compiler/loopopts/superword/TestAliasing.java
@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 8324751
+ * @key randomness
  * @summary Test Speculative Aliasing checks in SuperWord
  * @library /test/lib /
  * @run driver compiler.loopopts.superword.TestAliasing nCOH_nAV_ySAC

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/TestAlignVector.java b/test/hotspot/jtreg/compiler/loopopts/superword/TestAlignVector.java
@@ -36,6 +36,7 @@
 /*
  * @test id=NoAlignVector
  * @bug 8310190
+ * @key randomness
  * @summary Test AlignVector with various loop init, stride, scale, invar, etc.
  * @modules java.base/jdk.internal.misc
  * @library /test/lib /

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/TestCompatibleUseDefTypeSize.java b/test/hotspot/jtreg/compiler/loopopts/superword/TestCompatibleUseDefTypeSize.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2024, 2025, 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
@@ -35,6 +35,7 @@
 /*
  * @test
  * @bug 8325155
+ * @key randomness
  * @summary Test some cases that vectorize after the removal of the alignment boundaries code.
  *          Now, we instead check if use-def connections have compatible type size.
  * @library /test/lib /