[Bug target/88905] [8 Regression] ICE: in decompose, at rtl.h:2253 with -mabm and __builtin_popcountll

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88905

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Feb  7 14:36:20 2019
New Revision: 268627

URL: https://gcc.gnu.org/viewcvs?rev=268627&root=gcc&view=rev
Log:
        Backported from mainline
        2019-01-22  Jakub Jelinek  <ja...@redhat.com>

        PR target/88905
        * optabs.c (add_equal_note): Add op0_mode argument, use it instead of
        GET_MODE (op0).
        (expand_binop_directly, expand_doubleword_clz,
        expand_doubleword_popcount, expand_ctz, expand_ffs,
        expand_unop_direct, maybe_emit_unop_insn): Adjust callers.

        * gcc.dg/pr88905.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/pr88905.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/optabs.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog