[llvm-bugs] [Bug 50636] New: [ARM32] Implement 128-bit arithmetic in compiler-rt

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Jun 9 02:22:53 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=50636

            Bug ID: 50636
           Summary: [ARM32] Implement 128-bit arithmetic in compiler-rt
           Product: Runtime Libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: other
          Assignee: unassignedbugs at nondot.org
          Reporter: rengolin at gmail.com
                CC: llvm-bugs at lists.llvm.org

As seen in bug #16404, 128-bit arithmetic isn't implemented for ARM32.

I have seen implementations in the past but that were rejected because they
didn't apply cleanly to our tree (was developed over the Android tree).
Unfortunately, I don't think it ever got into Phab.

This task is to implement the missing symbols and turn on CRT_HAS_128BIT for
ARM32.

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