------- Comment #43 from amylaar at gcc dot gnu dot org 2008-12-10 05:29 ------- (In reply to comment #25) > Created an attachment (id=14637) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14637&action=view) [edit] > Patch to make ivopts take autoincrement addressing modes into account > > Ivopts take autoincrement addressing modes into account with this patch (in a > fairly simplistic form, sufficient to improve the code for the testcases in > this PR). However, I do not have access to any architecture where I could > test > it (I somewhat suspect it might cause performance regressions -- using > autoincrement addressing modes is not necessarily always profitable). >
You patch suffered from some bitrot. After fixing the merge issues, I can confirm that it fixes the bcmp regression problem for ARC (see PR38440). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31849
