[llvm-bugs] [Bug 46840] [AArch64] vqmovun* return types should be unsigned

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Aug 5 17:27:23 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=46840

Evan Nemerson <clang at evan.coeusgroup.com> changed:

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

--- Comment #5 from Evan Nemerson <clang at evan.coeusgroup.com> ---
Sorry I missed this.

The patch helps, thanks, but the vqmovun_high_* functions are still wrong; the
first argument should be unsigned.  Arm's documentation (where they're
unigned): https://developer.arm.com/architectures/instruction-sets/intrinsics/

Also, GCC's implementation:
https://raw.githubusercontent.com/gcc-mirror/gcc/master/gcc/config/aarch64/arm_neon.h

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