[Bug testsuite/106690] check_effective_target_bswap should be enabled for riscv if ZBB ISA extension is enabled

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106690

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 53481
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53481&action=edit
patch under testing