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On 04/04/2018 11:15, David Chisnall wrote: > On 4 Apr 2018, at 11:01, Florian Hahn via llvm-dev <llvm-dev at lists.llvm.org> wrote: >> >> Hi, >> >> On 04/04/2018 05:34, Riyaz Puthiyapurayil via llvm-dev wrote: >>> llvm::PointerIntPair<double*, 3, signed> P; >>> P.setInt(-4); >>> Ideally, the value range for a 3-bit signed integer

On 4 Apr 2018, at 11:01, Florian Hahn via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Hi, > > On 04/04/2018 05:34, Riyaz Puthiyapurayil via llvm-dev wrote: >> llvm::PointerIntPair<double*, 3, signed> P; >> P.setInt(-4); >> Ideally, the value range for a 3-bit signed integer should be [-4,3]. But the above call to setInt will fail. Essentially, the

...a sign extension, it expects only the available bits to be set, no others. In any case, it is probably worth documenting the behaviour. Cheers, Florian -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180404/e0d354d4/attachment.html>