[Bug target/79131] [7 Regression] ICE: in extract_constrain_insn, at recog.c:2213, big-endian ARM

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79131

--- Comment #3 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Thu Jan 26 17:08:12 2017
New Revision: 244942

URL: https://gcc.gnu.org/viewcvs?rev=244942&root=gcc&view=rev
Log:
2017-01-26  Vladimir Makarov  <vmaka...@redhat.com>

        PR target/79131
        * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
        endianess for subregs into account.
        * lra-constraints.c (lra_constraints): Do risky transformations
        always on the first iteration.
        * lra-lives.c (check_pseudos_live_through_calls): Add arg
        last_call_used_reg_set.
        (process_bb_lives): Define and use last_call_used_reg_set.
        * lra.c (lra): Always continue after lra_constraints on the first
        iteration.

2017-01-26  Vladimir Makarov  <vmaka...@redhat.com>

        PR target/79131
        * gcc.target/arm/pr79131.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/arm/pr79131.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-assigns.c
    trunk/gcc/lra-constraints.c
    trunk/gcc/lra-lives.c
    trunk/gcc/lra.c
    trunk/gcc/testsuite/ChangeLog