[Bug tree-optimization/81396] [7/8 Regression] Optimization of reading Little-Endian 64-bit number with portable code has a regression

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81396

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Or both this bswap change and the match.pd addition.