[Bug rtl-optimization/78132] [7 Regression] GCC produces invalid instruction (kmovd and kmovq) for KNL.

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78132

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Oct 28 07:12:52 2016
New Revision: 241641

URL: https://gcc.gnu.org/viewcvs?rev=241641&root=gcc&view=rev
Log:
        PR rtl-optimization/78132
        * ree.c (combine_reaching_defs): Give up if copy_needed and
        !HARD_REGNO_MODE_OK (REGNO (src_reg), dst_mode).

        * gcc.target/i386/pr78132.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr78132.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ree.c
    trunk/gcc/testsuite/ChangeLog