[llvm-bugs] [Bug 46123] New: unsupported ARM NEON intrinsic in aarch32 for supported instructions

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=46123

            Bug ID: 46123
           Summary: unsupported ARM NEON intrinsic in aarch32 for
                    supported instructions
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: kimish.patel at gmail.com
                CC: blitzrakete at gmail.com, dgregor at apple.com,
                    erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
                    richard-llvm at metafoo.co.uk

It seems that arm_neon.h that is shipped in android ndk r21 does not support
certain neon intrinsics in Aarch32 mode even though corresponding instruction
exist in ISA. The same ones are supported in Aarch64. I ran into the issue for
the following intrinsics (not sure if other intrinsics may have similar issue):
vcopyq_laneq_*
vsqrtq_
vdivq_

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