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  1. JDK
  2. JDK-8258272

LoadVectorMaskedNode can't be replaced by zero con

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    • Resolved In Build:
      b32

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        Description

        CTW test applications/ctw/modules/java_base_2.java failed with assert when run with -XX:UseAVX=3:

        #
        # A fatal error has been detected by the Java Runtime Environment:
        #
        # Internal Error (/workspace/open/src/hotspot/share/opto/type.hpp:391), pid=23563, tid=25388
        # assert((uint)type <= T_CONFLICT && _zero_type[type] != __null) failed: bad type
        #
        # JRE version: Java(TM) SE Runtime Environment (16.0+28) (fastdebug build 16-ea+28-2065)
        # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 16-ea+28-2065, mixed mode, sharing, tiered, compressed oops, g1 gc, linux-amd64)
        # Problematic frame:
        # V [libjvm.so+0x146413d] LoadNode::Value(PhaseGVN*) const+0x55d
        #

        Current CompileTask:
        C2: 321923 75267 b 4 sun.security.ssl.RenegoInfoExtension$RenegotiationInfoSpec::<clinit> (14 bytes)

        Stack: [0x00007ff811fbe000,0x00007ff8120bf000], sp=0x00007ff8120ba480, free space=1009k
        Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
        V [libjvm.so+0x146413d] LoadNode::Value(PhaseGVN*) const+0x55d
        V [libjvm.so+0x1624ca3] PhaseIterGVN::transform_old(Node*)+0x413
        V [libjvm.so+0x161d59e] PhaseIterGVN::optimize()+0x7e
        V [libjvm.so+0x13695b1] PhaseMacroExpand::expand_macro_nodes()+0xca1
        V [libjvm.so+0xa19a71] Compile::Optimize()+0x16d1
        V [libjvm.so+0xa1b658] Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, bool, DirectiveSet*)+0x1838
        V [libjvm.so+0x84b9ec] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x1dc
        V [libjvm.so+0xa2b468] CompileBroker::invoke_compiler_on_method(CompileTask*)+0xe88
        V [libjvm.so+0xa2c0b8] CompileBroker::compiler_thread_loop()+0x5a8

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                Assignee:
                neliasso Nils Eliasson
                Reporter:
                kvn Vladimir Kozlov
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                  Created:
                  Updated:
                  Resolved: