https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91275

--- Comment #7 from Lauri Kasanen <cand at gmx dot com> ---
Thanks for working on this. Per my experience, this is fast for gcc ;)

Are you sure about the smaller ones? To me they should not care about 64-bit
swaps, but clang lists them all as lane-sensitive:
https://llvm.org/doxygen/PPCVSXSwapRemoval_8cpp_source.html

Also, I'd like to ask if any other instructions added at the same time were
affected, just in case; the test suite did not catch this.

Will the patch be backported to stable branches? What would you recommend as a
workaround for existing gcc versions?

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