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  1. JDK
  2. JDK-8368578

ARM32: C2 SuperWord analysis fails with assert

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    • 26
    • arm
    • linux

      # Internal Error (src/hotspot/share/opto/mempointer.hpp:611), pid=13173, tid=13188
      # assert(!_scale.is_zero()) failed: non-zero scale

      Current CompileTask:
      C2:498 89 java.math.BigInteger::implMultiplyToLen (195 bytes)

      Stack: [0xb585f000,0xb58df000], sp=0xb58db4a8, free space=497k
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.so+0x10acc00] MemPointerSummand::MemPointerSummand(Node*, NoOverflowInt const&)+0x8c (mempointer.hpp:611)
      V [libjvm.so+0x10aa628] MemPointerParser::create_summands()+0x128
      V [libjvm.so+0x10aab68] MemPointerParser::parse(MemPointerParserCallback&, TraceMemPointer const&)+0x234
      V [libjvm.so+0x10adf0c] MemPointerParser::parse(MemNode const*, MemPointerParserCallback&, TraceMemPointer const&)+0x234
      V [libjvm.so+0x10ac74c] MemPointer::MemPointer(MemNode const*, MemPointerParserCallback&, TraceMemPointer const&)+0x10
      V [libjvm.so+0x14b8944] VPointer::VPointer(MemNode const*, VLoop const&, MemPointerParserCallback&)+0x30
      V [libjvm.so+0x15ea8c4] VLoopVPointers::compute_vpointers()+0x1ec
      V [libjvm.so+0x15edf74] VLoopAnalyzer::setup_submodules()+0x174
      V [libjvm.so+0x1000340] PhaseIdealLoop::auto_vectorize(IdealLoopTree*, VSharedData&)+0x638
      V [libjvm.so+0xfe1e64] PhaseIdealLoop::build_and_optimize()+0xd8c
      V [libjvm.so+0x72fc48] PhaseIdealLoop::optimize(PhaseIterGVN&, LoopOptsMode)+0x330
      V [libjvm.so+0x729ae4] Compile::optimize_loops(PhaseIterGVN&, LoopOptsMode) [clone .part.520]+0x90
      V [libjvm.so+0x72bbb8] Compile::Optimize()+0xc3c
      V [libjvm.so+0x72d890] Compile::Compile(ciEnv*, ciMethod*, int, Options, DirectiveSet*)+0x1230
      V [libjvm.so+0x513614] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x2b0
      V [libjvm.so+0x73ae20] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x434
      V [libjvm.so+0x73be0c] CompileBroker::compiler_thread_loop()+0x3f8
      V [libjvm.so+0xbe02cc] JavaThread::thread_main_inner()+0x234
      V [libjvm.so+0x153dff4] Thread::call_run()+0x144
      V [libjvm.so+0x11ff514] thread_native_entry(Thread*)+0x13c


      Affected tests:
      - test/jdk/com/sun/crypto/provider/Cipher/KeyWrap/TestCipherKeyWrapperTest.java
      - test/jdk/com/sun/crypto/provider/Cipher/KeyWrap/TestGeneral.java
      - test/jdk/com/sun/crypto/provider/Cipher/RSA/TestOAEP.java
      - test/jdk/com/sun/crypto/provider/Cipher/RSA/TestOAEP.java
      - test/jdk/com/sun/crypto/provider/Cipher/RSA/TestOAEPPadding.java
      - test/jdk/com/sun/crypto/provider/Cipher/RSA/TestOAEPWithParams.java
      - test/jdk/com/sun/crypto/provider/Cipher/RSA/TestRSA.java
      - test/jdk/java/lang/ClassLoader/loadLibraryDeadlock/TestLoadLibraryDeadlock.java
      - test/jdk/java/lang/Double/ParseDouble.java
      - test/jdk/java/lang/Float/ParseFloat.java
      - test/jdk/java/lang/Math/MultiplicationTests.java
      - test/jdk/java/lang/System/LoggerFinder/SignedLoggerFinderTest/SignedLoggerFinderTest.java
      - test/jdk/java/lang/Thread/virtual/MonitorEnterExit.java
      - test/jdk/java/lang/Thread/virtual/MonitorWaitNotify.java
      - test/jdk/java/lang/Thread/virtual/Parking.java
      - test/jdk/java/math/BigDecimal/DivideMcTests.java
      - test/jdk/java/math/BigDecimal/DoubleFloatValueTests.java
      - test/jdk/java/math/BigInteger/BigIntegerParallelMultiplyTest.java
      - test/jdk/java/util/jar/JarFile/IgnoreUnrelatedSignatureFiles.java
      - test/jdk/java/util/jar/JarFile/jarVerification/MultiProviderTest.java
      - test/jdk/java/util/jar/JarFile/mrjar/MultiReleaseJarAPI.java
      - test/jdk/java/util/jar/JarFile/mrjar/MultiReleaseJarSecurity.java
      - test/jdk/java/util/jar/JarFile/SignedJarPendingBlock.java
      - test/jdk/java/util/jar/JarFile/VerifySignedJar.java
      - test/jdk/java/util/jar/JarInputStream/ExtraFileInMetaInf.java
      - test/jdk/java/util/Random/RandomExponentialTest.java
      - test/jdk/java/util/Random/RandomTestMoments.java
      - test/jdk/jdk/internal/math/FloatingDecimal/TestFDBigInteger.java
      - test/jdk/jdk/internal/math/FloatingDecimal/TestFloatingDecimal.java
      - test/jdk/jdk/internal/math/FloatingDecimal/TestRandomFloatingDecimal.java
      - test/jdk/jdk/internal/math/ToDecimal/DoubleToDecimalTest.java
      - test/jdk/jdk/internal/math/ToDecimal/FloatToDecimalTest.java
      - test/jdk/jdk/internal/math/ToDecimal/MathUtilsTest.java

      Workaround: -XX:-UseSuperWord option

            mhaessig Manuel Hässig
            bulasevich Boris Ulasevich
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              Created:
              Updated: