[Bug target/80569] i686: "shrx" instruction generated in 16-bit mode

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80569

--- Comment #6 from uros at gcc dot gnu.org ---
Author: uros
Date: Sun Jul 23 10:33:08 2017
New Revision: 250460

URL: https://gcc.gnu.org/viewcvs?rev=250460&root=gcc&view=rev
Log:
        PR target/80569
        * config/i386/i386.c (ix86_option_override_internal): Disable
        BMI, BMI2 and TBM instructions for -m16.

testsuite/ChangeLog:

        PR target/80569
        * gcc.target/i386/pr80569.c: New test.


Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/pr80569.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/config/i386/i386.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog