[Bug rtl-optimization/84032] ICE in optimize_sc, at modulo-sched.c:1064

[zhroma at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84032

--- Comment #5 from Roman Zhuykov <zhroma at gcc dot gnu.org> ---
Author: zhroma
Date: Tue Apr 23 12:53:43 2019
New Revision: 270511

URL: https://gcc.gnu.org/viewcvs?rev=270511&root=gcc&view=rev
Log:
modulo-sched: fix branch scheduling issue (PR84032)

        PR rtl-optimization/84032
        * modulo-sched.c (ps_insn_find_column): Change condition so that
        branch will always be the last insn in a row inside partial
        schedule.

testsuite:

        PR rtl-optimization/84032
        * gcc.dg/pr84032.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr84032.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/modulo-sched.c
    trunk/gcc/testsuite/ChangeLog