mips.c (mips_expand_prologue): Set regno of vararg marker such that registers after it are saved.

* config/mips/mips.c (mips_expand_prologue): Set regno of vararg
marker such that registers after it are saved.

From-SVN: r50475

gcc/ChangeLog

+2002-03-09  Alexandre Oliva  <aoliva@redhat.com>
+
+	* config/mips/mips.c (mips_expand_prologue): Set regno of vararg
+	marker such that registers after it are saved.
+
 2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* sparc.c (arith_4096_operand): Fix error in last change.

gcc/config/mips/mips.c

@@ -7225,6 +7225,10 @@ mips_expand_prologue ()
 				   "va_alist"))))
 	    {
 	      last_arg_is_vararg_marker = 1;
+	      if (GET_CODE (entry_parm) == REG)
+		regno = REGNO (entry_parm);
+	      else
+		regno = GP_ARG_LAST + 1;
 	      break;
 	    }
 	  else