[Bug testsuite/106680] Test gcc.target/powerpc/bswap64-4.c fails on 32-bit BE

[sebastian.huber--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106680

--- Comment #8 from Sebastian Huber <sebastian.hu...@embedded-brains.de> ---
Yes, it seems that -mcpu=e6500 -mno-powerpc64 yields the right code for the
attached test case (with or without the -m32).

I am now a bit confused what the purpose of the -m32 and -m64 options is.