2005-12-07 J"orn Rennecke <joern.rennecke@st.com>
Preparation for PR rtl-optimization/20070 / part1
* basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
* cfgcleanup.c (condjump_equiv_p): New function, broken out of
outgoing_edges_match.
(outgoing_edges_match): Use condjump_equiv_p.
(merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
into..
* struct-equiv.c: New file.
(death_notes_match_p) New function, broken out of insns_match_p.
* Makefile.in (OBJS-common): Add struct-equiv.o.
(struct-equiv.o): New target.
From-SVN: r108164
