Partially revert previous change

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41085 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 20 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 69e2eacbc3c..9855c592fa8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-04-04  Bernd Schmidt  <bernds@redhat.com>
+
+	* sched-deps.c (sched_analyze_insn): Partially revert March 27
+	change.
+
 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
 
 	* emit-rtl.c (mark_label_nuses) Increment the label uses for
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c
index 0d13a2025e3..0bb9386f2ea 100644
--- a/gcc/sched-deps.c
+++ b/gcc/sched-deps.c
@@ -1022,12 +1022,13 @@ sched_analyze_insn (deps, x, insn, loop_notes)
 
   if (GET_CODE (insn) == JUMP_INSN)
     {
-      rtx next, u;
+      rtx next;
       next = next_nonnote_insn (insn);
       if (next && GET_CODE (next) == BARRIER)
 	schedule_barrier_found = 1;
       else
 	{
+	  rtx pending, pending_mem, u;
 	  regset_head tmp;
 	  INIT_REG_SET (&tmp);
 
@@ -1042,6 +1043,19 @@ sched_analyze_insn (deps, x, insn, loop_notes)
 	    });
 
 	  CLEAR_REG_SET (&tmp);
+
+	  pending = deps->pending_write_insns;
+	  pending_mem = deps->pending_write_mems;
+	  while (pending)
+	    {
+	      add_dependence (insn, XEXP (pending, 0), REG_DEP_OUTPUT);
+
+	      pending = XEXP (pending, 1);
+	      pending_mem = XEXP (pending_mem, 1);
+	    }
+
+	  for (u = deps->last_pending_memory_flush; u; u = XEXP (u, 1))
+	    add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
 	}
     }