[Bug middle-end/70689] [6/7 Regression] ICE on valid code at -O1 in 32-bit mode on x86_64-linux-gnu in curr_insn_transform, at lra-constraints.c:3564

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70689

--- Comment #4 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
Author: vmakarov
Date: Tue Apr 19 02:49:54 2016
New Revision: 235184

URL: https://gcc.gnu.org/viewcvs?rev=235184&root=gcc&view=rev
Log:
2016-04-18  Vladimir Makarov  <vmaka...@redhat.com>

        PR middle-end/70689
        * lra-constraints.c (equiv_substition_p): New.
        (process_alt_operands): Use it.
        (swap_operands): Swap it.
        (curr_insn_transform): Update it.

2016-04-18  Vladimir Makarov  <vmaka...@redhat.com>

        PR middle-end/70689
        * testsuite/gcc.target/i386/pr70689.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr70689.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog