Many targets use special registers for low-overhead looping. This function
should return false for any instruction that clobbers these.
By default, the RTL loop optimizer does not use a present doloop pattern for
-loops containing function calls or brach on table instructions.
+loops containing function calls or branch on table instructions.
@end deftypefn
@defmac MD_CAN_REDIRECT_BRANCH (@var{branch1}, @var{branch2})