Function count_occurrences in rtlanal.c checks equalty of 2 rtx expressions by comparing them instead of using rtx_equal_p:
if (x == find) return 1; should be: if (rtx_equal_p (x, find)) return 1; -- Summary: equalty of 2 rtx's are not checked with rtx_equal_p in count_occurrences Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: tal dot agmon at ceva-dsp dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33069