[llvm-bugs] [Bug 41021] New: Wrong __FLT16_MIN_10_EXP__

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Mar 10 04:09:35 PDT 2019


https://bugs.llvm.org/show_bug.cgi?id=41021

            Bug ID: 41021
           Summary: Wrong __FLT16_MIN_10_EXP__
           Product: clang
           Version: trunk
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: manuel at zxe.io
                CC: llvm-bugs at lists.llvm.org, neeilans at live.com,
                    richard-llvm at metafoo.co.uk

In file "lib/Frontend/InitPreprocessor.cpp" line 125:

    int Min10Exp = PickFP(Sem, -13, -37, -307, -4931, -291, -4931);

I think the 2nd argument is wrong, it should be -3, since the value of the
predefined macro __FLT16_MIN_10_EXP__ should be -3 instead of -13. So change
that line to this:

    int Min10Exp = PickFP(Sem, -3, -37, -307, -4931, -291, -4931);

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