r151475 - in /trunk/gcc: ChangeLog doc/rtl.texi...

[krebbel@gcc.gnu.org]

Author: krebbel
Date: Mon Sep  7 10:30:32 2009
New Revision: 151475

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=151475
Log:
2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.	
	* sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
	when volatile flag is set.
	* doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/rtl.texi
    trunk/gcc/rtl.h
    trunk/gcc/sched-deps.c