[Bug middle-end/120858] __builtin_rev_crc64_data64 poorly optimised when computing crc32

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120858

--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
Please always include testcases as attachments as well (godbolt links are fine,
but attach as well).