On July 25, 2016 5:56:29 PM GMT+02:00, Jeff Law <l...@redhat.com> wrote: >On 07/25/2016 12:36 AM, Kito Cheng wrote: >> Hi all: >> >> Some target(for example i386, sh and h8300) use find_regno_note in >> split pattern but df infrastructure seem not initialize at split >pass, >> so it may got wrong note since it's out-of-date. >> >> ChangeLog >> 2016-07-25 Kito Cheng <kito.ch...@gmail.com> >> >> * gcc/recog.c (split_all_insns): Initialize df for split >pass. >> (split_all_insns_noflow): Likewise. >> >Patch was not included/attached to your message. Please resend with >the >patch and hopefully a testcase which exhibits the problem.
And maybe back ends shouldn't look at notes in their splitters? Richard. >jeff
