./:

[pf3gnuchains/gcc-fork.git] / gcc / sched-deps.c

diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c
index 81fcb80..8175ac0 100644 (file)
--- a/gcc/sched-deps.c
+++ b/gcc/sched-deps.c
@@ -1,7 +1,7 @@
 /* Instruction scheduling pass.  This file computes dependencies between
    instructions.
    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
    Free Software Foundation, Inc.
    Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by,
    and currently maintained by, Jim Wilson (wilson@cygnus.com)
@@ -2132,9 +2132,12 @@ sched_analyze_2 (struct deps *deps, rtx x, rtx insn)
       flush_pending_lists (deps, insn, true, false);
       break;
 
+    case UNSPEC_VOLATILE:
+      flush_pending_lists (deps, insn, true, true);
+      /* FALLTHRU */
+
     case ASM_OPERANDS:
     case ASM_INPUT:
-    case UNSPEC_VOLATILE:
       {
        /* Traditional and volatile asm instructions must be considered to use
           and clobber all hard registers, all pseudo-registers and all of