[PATCH] D95586: [ARM] permit PC as destination of MOVS

[Renato Golin via Phabricator via llvm-commits]

rengolin added a comment.

In D95586#2540002 <https://reviews.llvm.org/D95586#2540002>, @nickdesaulniers wrote:

> GNU objdump only warns with `<UNPREDICTABLE>` for the second form (which is the form this patch is concerned with).  That seems like good justification for removing the test from the kernel.

Agreed.

> It looks like GNU objdump also warns <UNPREDICTABLE> for adds  pc, lr, r1, lsl r2 and yet the integrated assembler accepted that, so it looks like a pre-existing bug/inconsistency in support for unpredictable encodings.

Indeed. Limiting this would be a patch to LLVM.


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https://reviews.llvm.org/D95586