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Dan, Thank you for the quick and throughout reply. First paragraph pretty much sums it up. Unless there is more will to guaranty (or provide under flag) stricter version of IEEE adherence, I doubt much can be done. So all of you with picky customers out there J Is there anyone else that would be concerned about this problem in any of it potential forms? Sergei --- Qualcomm

...their LLVM intrinsic equivalents) are get very angry if they don't get constant folded, and they're not picky at all about the precision. --Owen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130426/9fcc2c7c/attachment.html>

Hi Sergei, The degree to which LLVM actually makes any guarantees about IEEE arithmetic precision is ambiguous. LangRef, for one, doesn't even mention it (it mentions formats, but nothing else). The de-facto way of interpreting holes in LangRef is to consider how the IR is used by clang and follow the path up into the C and/or C++ standards and then work from there. C describes a binding to