r181631 - in /trunk/gcc: ChangeLog postreload.c

[krebbel@gcc.gnu.org]

Author: krebbel
Date: Tue Nov 22 19:52:34 2011
New Revision: 181631

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181631
Log:
2011-11-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* postreload.c (reload_combine): Mark reg_state as invalid at
	volatile insns if there has been a use already.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/postreload.c