[Bug target/87550] Intrinsics for rdpmc (__rdpmc, __builtin_ia32_rdpmc) are interpreted as pure functions

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87550

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Oct 12 17:34:07 2018
New Revision: 265122

URL: https://gcc.gnu.org/viewcvs?rev=265122&root=gcc&view=rev
Log:
        Backported from mainline
        2018-10-10  Jakub Jelinek  <ja...@redhat.com>

        PR target/87550
        * config/i386/i386.c (bdesc_args): Move IX86_BUILTIN_RDPMC
        from here to ...
        (bdesc_special_args): ... here.

        * gcc.target/i386/pr87550.c: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.target/i386/pr87550.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/config/i386/i386.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog