[multiple changes]

Wed Nov  4 19:15:37 1998  "Melissa O'Neill" <oneill@cs.sfu.ca>
        * Makefile.in (libcpp.a): Ranlib libcpp.a
        * cppulp.c (user_label_prefix): Initialize.
Wed Nov  4 19:07:08 1998   John Wehle  (john@feith.com)
        * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
        at a RETURN if current_function_sp_is_unchanging is set.

From-SVN: r23525

gcc/ChangeLog

+Wed Nov  4 19:15:37 1998  "Melissa O'Neill" <oneill@cs.sfu.ca>
+
+	* Makefile.in (libcpp.a): Ranlib libcpp.a
+
+	* cppulp.c (user_label_prefix): Initialize.
+	
+Wed Nov  4 19:07:08 1998   John Wehle  (john@feith.com)
+
+        * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
+        at a RETURN if current_function_sp_is_unchanging is set.
+
 Wed Nov  4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> 
 
 	* emit-rtl.c (try_split): Fixed error in Oct 10 patch.

gcc/Makefile.in

@@ -1886,6 +1886,7 @@ LIBCPP_OBJS =	cpplib.o cpphash.o cppalloc.o cpperror.o cppexp.o cppfiles.o \
 
 libcpp.a: $(LIBCPP_OBJS)
 	$(AR) $(ARFLAGS) libcpp.a $(LIBCPP_OBJS)
+	$(RANLIB) libcpp.a
 
 cppmain$(exeext): cppmain.o libcpp.a $(LIBDEPS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o cppmain$(exeext) cppmain.o \

gcc/cppulp.c

@@ -24,4 +24,4 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "gansidecl.h"
 #include "output.h"
 
-char *user_label_prefix;
+char *user_label_prefix = 0;

gcc/flow.c

@@ -2880,7 +2880,8 @@ mark_used_regs (needed, live, x, final, insn)
       if (! EXIT_IGNORE_STACK
 	  || (! FRAME_POINTER_REQUIRED
 	      && ! current_function_calls_alloca
-	      && flag_omit_frame_pointer))
+	      && flag_omit_frame_pointer)
+	  || current_function_sp_is_unchanging)
 #endif
 	SET_REGNO_REG_SET (live, STACK_POINTER_REGNUM);