[Bug target/64411] ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling

[abel at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64411

--- Comment #4 from Andrey Belevantsev <abel at gcc dot gnu.org> ---
Author: abel
Date: Thu Mar 31 13:50:15 2016
New Revision: 234620

URL: https://gcc.gnu.org/viewcvs?rev=234620&root=gcc&view=rev
Log:
        Backport from mainline
        2016-03-15  Andrey Belevantsev  <a...@ispras.ru>

        gcc/
        PR target/64411
        * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
        factored out from ...
        (sched_analyze_insn): ... here.
        * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
        * sel-sched-ir.c (setup_id_implicit_regs): New function, use
        get_implicit_reg_pending_clobbers in it.
        (setup_id_reg_sets): Use setup_id_implicit_regs.
        (deps_init_id): Ditto.

        testsuite/
        PR target/64411
        * gcc.target/i386/pr64411.C: New test.


Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.target/i386/pr64411.C
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/sched-deps.c
    branches/gcc-5-branch/gcc/sched-int.h
    branches/gcc-5-branch/gcc/sel-sched-ir.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog