[llvm] specify NaN behavior more precisely (PR #66579)
Jacob Lifshay via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 20 22:37:05 PDT 2023
programmerjake wrote:
> I'm pretty sure the significand lives in the least significant bits on every single architecture. For format conversions I'm pretty sure everyone just truncates/zero extends.
IEEE754 specifies fp->fp format conversions should use the programmer-chosen rounding mode, for LLVM for f32 <-> f64 that's always round to nearest, ties to even
https://github.com/llvm/llvm-project/pull/66579
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