[llvm-bugs] [Bug 33553] New: A53 errata 859372(B rare): Advanced SIMD integer multiply instructions in IT block might cause data corruption.

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Jun 21 18:16:20 PDT 2017


https://bugs.llvm.org/show_bug.cgi?id=33553

            Bug ID: 33553
           Summary: A53 errata 859372(B rare): Advanced SIMD integer
                    multiply instructions in IT block might cause data
                    corruption.
           Product: clang
           Version: unspecified
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: llozano at chromium.org
                CC: llvm-bugs at lists.llvm.org

the best suggested workaround is to simply make sure this sequence of
instructions is never emitted.

Please make sure LLVM does not generate such sequences.

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