ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before the sequence we're moving...

        * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
        the sequence we're moving, not to merge_bb->head.

From-SVN: r33605

gcc/ChangeLog

 2000-05-01  Richard Henderson  <rth@cygnus.com>
 
+	* ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
+	the sequence we're moving, not to merge_bb->head.
+
+2000-05-01  Richard Henderson  <rth@cygnus.com>
+
 	* configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
 	reference to alpha/t-linux.
 	(alpha*-*-linux-gnu*): Likewise.

gcc/ifcvt.c

@@ -1935,10 +1935,11 @@ dead_or_predicable (test_bb, merge_bb, other_bb, new_dest, reversep)
     }
 
   /* Move the insns out of MERGE_BB to before the branch.  */
-  if (end == merge_bb->end)
-    merge_bb->end = merge_bb->head;
   if (head != NULL)
     {
+      if (end == merge_bb->end)
+	merge_bb->end = PREV_INSN (head);
+
       head = squeeze_notes (head, end);
       if (GET_CODE (end) == NOTE
 	  && (NOTE_LINE_NUMBER (end) == NOTE_INSN_BLOCK_END