[Bug target/85424] The __builtin_packlongdouble function might have issues with the output overlapping the inputs

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85424

--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> ---
Author: meissner
Date: Tue Apr 17 18:22:08 2018
New Revision: 259441

URL: https://gcc.gnu.org/viewcvs?rev=259441&root=gcc&view=rev
Log:
2018-04-17  Michael Meissner  <meiss...@linux.vnet.ibm.com>

        PR target/85424
        * config/rs6000/rs6000.md (pack<mode>): Do not try handle a pack
        where the inputs overlap with the output.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.md