r205124 - in /branches/ibm/gcc-4_8-branch/gcc: ...

[uweigand@gcc.gnu.org]

Author: uweigand
Date: Wed Nov 20 16:27:58 2013
New Revision: 205124

URL: http://gcc.gnu.org/viewcvs?rev=205124&root=gcc&view=rev
Log:
2013-11-20  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>           
                                                                  
	Backport from mainline r205123:

	2013-11-20  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Do not
	allow subregs of TDmode in FPRs of smaller size in little-endian.
	(rs6000_split_multireg_move): When splitting an access to TDmode
	in FPRs, do not use simplify_gen_subreg.

Modified:
    branches/ibm/gcc-4_8-branch/gcc/ChangeLog.ibm
    branches/ibm/gcc-4_8-branch/gcc/config/rs6000/rs6000.c