sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.

        * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
        * haifa-sched.c (update_flow_info): Likewise.

From-SVN: r15589

gcc/ChangeLog

+Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
+	* haifa-sched.c (update_flow_info): Likewise.
+
 Thu Sep 18 21:13:40 1997  Jeffrey A Law  (law@cygnus.com)
 
 	* Makefile.in (BOOT_CFLAGS): Use -O2.

gcc/haifa-sched.c

@@ -7906,6 +7906,7 @@ update_flow_info (notes, first, last, orig_insn)
 		  /* ??? This won't handle multiple word registers correctly,
 		     but should be good enough for now.  */
 		  if (REG_NOTE_KIND (note) == REG_UNUSED
+		      && GET_CODE (XEXP (note, 0)) != SCRATCH
 		      && !dead_or_set_p (insn, XEXP (note, 0)))
 		    PUT_REG_NOTE_KIND (note, REG_DEAD);
 

gcc/sched.c

@@ -3801,6 +3801,7 @@ update_flow_info (notes, first, last, orig_insn)
 		  /* ??? This won't handle multiple word registers correctly,
 		     but should be good enough for now.  */
 		  if (REG_NOTE_KIND (note) == REG_UNUSED
+		      && GET_CODE (XEXP (note, 0)) != SCRATCH
 		      && ! dead_or_set_p (insn, XEXP (note, 0)))
 		    PUT_REG_NOTE_KIND (note, REG_DEAD);