[llvm-bugs] [Bug 30506] <intrin.h> does not declare _tzcnt_u32

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Oct 12 13:10:05 PDT 2019


https://bugs.llvm.org/show_bug.cgi?id=30506

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #9 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
(In reply to Craig Topper from comment #8)
> Thats not what I implemented. If tzcnt isn’t available we’re using a bsf and
> cmov to emulate it. The 0 case is still defined.

Sorry Craig - I entirely misread your original resolve comment!

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