[Bug tree-optimization/63464] compare one character to many: faster

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63464

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 33698
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33698&action=edit
bittest.c

Testcase I've been playing with.