* recog.c (verify_changes, confirm_change_group): New functions,
broken out of apply_change_group.
(apply_change_group): Use them.
* recog.h (verify_change, confirm_change_group): Declare.
* rtl.h (redirect_jump_2): Declare.
* jump.c (redirect_exp, invert_exp): Delete.
(invert_exp_1): Take second parameter. Return value. Changed caller.
(redirect_jump_2): New function, broken out of redirect_jump.
(redirect_jump): Use redirect_jump_1 and redirect_jump_2.
(invert_jump): Use invert_jump_1 and redirect_jump_2.
* ifcvt.c (dead_or_predicable): Use redirect_jump_2.
From-SVN: r95813
