alpha.c (function_arg): Cast value to HOST_WIDE_INT before shifting.

	* alpha.c (function_arg): Cast value to HOST_WIDE_INT before
	shifting.

From-SVN: r47747

gcc/ChangeLog

+2001-12-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* alpha.c (function_arg): Cast value to HOST_WIDE_INT before
+	shifting.
+
 2001-12-06  Aldy Hernandez  <aldyh@redhat.com>
 
 	* rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): New.

gcc/config/alpha/alpha.c

@@ -5385,7 +5385,8 @@ function_arg (cum, mode, type, named)
 #if HOST_BITS_PER_WIDE_INT == 32
 	  hi = (cum.num_args << 20) | cum.num_arg_words;
 #else
-	  lo = lo | (cum.num_args << 52) | (cum.num_arg_words << 32);
+	  lo = lo | ((HOST_WIDE_INT) cum.num_args << 52)
+	    | ((HOST_WIDE_INT) cum.num_arg_words << 32);
 	  hi = 0;
 #endif
 	  ciw = immed_double_const (lo, hi, DImode);