s390.c (s390_emit_epilogue): Recognize more cases where register 14 will be saved.
authorUlrich Weigand <uweigand@de.ibm.com>
Thu, 6 Nov 2003 22:05:38 +0000 (22:05 +0000)
committerUlrich Weigand <uweigand@gcc.gnu.org>
Thu, 6 Nov 2003 22:05:38 +0000 (22:05 +0000)
* config/s390/s390.c (s390_emit_epilogue): Recognize more cases
where register 14 will be saved.

From-SVN: r73319

gcc/ChangeLog
gcc/config/s390/s390.c

index f889c2c4db803cf1e18f8663934826f6818f8886..d2c7fa580547cc32c37b4203d6c481abb05d2c17 100644 (file)
@@ -1,3 +1,8 @@
+2003-11-06  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.c (s390_emit_epilogue): Recognize more cases
+       where register 14 will be saved.
+
 2003-11-06  Geoffrey Keating  <geoffk@apple.com>
 
        * config/rs6000/rs6000.h (USE_FP_FOR_ARG_P): Move to rs6000.c.
index 6d94d3daa1b0c9c0fb60bdfae233bfb4f7e7844b..c83316baf12bb3b49c9c35ac0c7913bd00228441 100644 (file)
@@ -5953,7 +5953,9 @@ s390_emit_epilogue (void)
       /* Fetch return address from stack before load multiple,
         this will do good for scheduling.  */
 
-      if (cfun->machine->save_return_addr_p)
+      if (cfun->machine->save_return_addr_p
+         || (cfun->machine->first_restore_gpr < BASE_REGISTER
+             && cfun->machine->last_save_gpr > RETURN_REGNUM))
        {
          int return_regnum = find_unused_clobbered_reg();
          if (!return_regnum)