On Wed, Nov 16, 2016 at 3:05 PM, Andreas Schwab <sch...@suse.de> wrote: > On Nov 14 2016, Michael Matz <m...@suse.de> wrote: > >> PR missed-optimization/77881 >> * combine.c (simplify_comparison): Remove useless subregs >> also inside the loop, not just after it. >> (make_compound_operation): Recognize some subregs as being >> masking as well. > > This breaks gcc.c-torture/execute/cbrt.c execution test on aarch64. Hi, I can confirm that, also new PR opened for tracking. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78422
Thanks, bin > > Andreas. > > -- > Andreas Schwab, SUSE Labs, sch...@suse.de > GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 > "And now for something completely different."
