r190236 - in /trunk/gcc: ChangeLog builtins.c c...

[uweigand@gcc.gnu.org]

Author: uweigand
Date: Wed Aug  8 18:03:37 2012
New Revision: 190236

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190236
Log:
	* builtins.c (expand_builtin_atomic_compare_exchange): Pass old
	value operand as MEM to expand_atomic_compare_and_swap.

	* config/s390/s390.md ("atomic_compare_and_swap<mode>"): Accept
	nonimmediate_operand for old value; generate load and store if
	needed.
	* config/s390/s390.c (s390_expand_cs_hqi): Accept any operand
	as vtarget.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/config/s390/s390.c
    trunk/gcc/config/s390/s390.md