Fix m68k bootstrap failure reported by Toon Moene.

	* loop.c (scan_loop): Initialize move_insn_first to zero.

From-SVN: r18821

gcc/ChangeLog

+Wed Mar 25 10:30:32 1998  Jim Wilson  <wilson@cygnus.com>
+
+	* loop.c (scan_loop): Initialize move_insn_first to zero.
+
 Wed Mar 25 01:06:49 1998  Joel Sherrill (joel@OARcorp.com)
 
 	* config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.

gcc/loop.c

@@ -950,6 +950,7 @@ scan_loop (loop_start, end, nregs, unroll_p)
 		  m->done = 0;
 		  m->forces = 0;
 		  m->move_insn = 0;
+		  m->move_insn_first = 0;
 		  m->partial = 1;
 		  /* If the insn may not be executed on some cycles,
 		     we can't clear the whole reg; clear just high part.