2012-10-04 Joern Rennecke <joern.renne...@embecosm.com>
* final.c (get_attr_length_1): Use direct recursion rather than
calling get_attr_length.
(get_attr_lock_length): New function.
(INSN_VARIABLE_LENGTH_P): Define.
(shorten_branches): Take HAVE_ATTR_lock_length into account.
Don't overwrite non-delay slot insn lengths with the lengths of
delay slot insns with same uid.
* genattrtab.c (lock_length_str): New variable.
(make_length_attrs): New parameter base.
(main): Initialize lock_length_str.
Generate lock_lengths attributes.
* genattr.c (gen_attr): Emit declarations for lock_length attribute
related functions.
* doc/md.texi (node Insn Lengths): Document lock_length attribute.
http://gcc.gnu.org/ml/gcc-patches/2012-10/msg00383.html
