[Bug target/83554] [8 Regression] ICE: in ix86_mitigate_rop, at config/i386/i386.c:41274 with -mmitigate-rop

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83554

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Jan  4 21:54:23 2018
New Revision: 256268

URL: https://gcc.gnu.org/viewcvs?rev=256268&root=gcc&view=rev
Log:
        PR target/83554
        * config/i386/i386.md (*<rotate_insn>hi3_1 splitter): Use
        QIreg_operand instead of register_operand predicate.
        * config/i386/i386.c (ix86_rop_should_change_byte_p,
        set_rop_modrm_reg_bits, ix86_mitigate_rop): Use -mmitigate-rop in
        comments instead of -fmitigate[-_]rop.

        * gcc.target/i386/pr83554.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr83554.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog