[Bug target/64204] [5 Regression] gcc.dg/c11-atomic-2.c fails on powerpc 64-bit little endian after -mupper-regs patches went in

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64204

--- Comment #2 from Michael Meissner <meissner at gcc dot gnu.org> ---
Author: meissner
Date: Tue Dec  9 03:56:28 2014
New Revision: 218505

URL: https://gcc.gnu.org/viewcvs?rev=218505&root=gcc&view=rev
Log:
2014-12-08  Michael Meissner  <meiss...@linux.vnet.ibm.com>

    PR target/64204
    * config/rs6000/rs6000.c (rs6000_emit_move): Do not split TFmode
    constant moves if -mupper-regs-df.

    * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Optimize moving
    0.0L to TFmode.
    (movtd_64bit_nodm): Likewise.
    (mov<mode>_32bit, FMOVE128 case): Likewise.


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