[PATCH] D141264: [AVR] Fix incorrect expansion of pseudo instructions LPMWRdZ/ELPMWRdZ

[Ben Shi via Phabricator via llvm-commits]

benshi001 added a comment.

In D141264#4065547 <https://reviews.llvm.org/D141264#4065547>, @aykevl wrote:

> This code modifies the pointer register, without restoring it. The pointer register should be restored to the previous value if it is is not killed (subtract one from the pointer value). See the expansion of LDDWRdPtrQ for avrtiny for example.

Thanks for your suggestion. I have added restoring the Z pointer register, and corresponding tests.


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https://reviews.llvm.org/D141264