On Tue, Oct 31, 2017 at 12:02:26PM +0100, Jakub Jelinek wrote: > 2017-10-31 Jakub Jelinek <ja...@redhat.com> > > PR rtl-optimization/82778 > PR rtl-optimization/82597 > * compare-elim.c (struct comparison): Add in_a_setter field. > (find_comparison_dom_walker::before_dom_children): Remove killed > bitmap and df_simulate_find_defs call, instead walk the defs. > Compute last_setter and initialize in_a_setter. Merge definitions > with first initialization for a few variables. > (try_validate_parallel): Use insn_invalid_p instead of > recog_memoized. Return insn rather than just the pattern. > (try_merge_compare): Fix up comment. Don't uselessly test if > in_a is a REG_P. Use cmp->in_a_setter instead of walking UD > chains. > > * g++.dg/opt/pr82778.C: New test. > > 2017-10-31 Michael Collison <michael.colli...@arm.com> > > PR rtl-optimization/82597 > * gcc.dg/pr82597.c: New test.
Successfully bootstrapped/regtested on {x86_64,i686,powerpc64{,le}}-linux. Ok for trunk? Jakub