--- gcc/config/vax/vax.md	2018/04/24 18:22:17	1.1.1.2
+++ gcc/config/vax/vax.md	2018/04/24 18:29:59	1.1.1.3
@@ -1,5 +1,5 @@
 ;;- Machine description for GNU compiler, Vax Version
-;;   Copyright (C) 1987, 1988, 1991, 1994 Free Software Foundation, Inc.
+;;   Copyright (C) 1987, 1988, 1991, 1994, 1995 Free Software Foundation, Inc.
 
 ;; This file is part of GNU CC.
 
@@ -15,7 +15,8 @@
 
 ;; You should have received a copy of the GNU General Public License
 ;; along with GNU CC; see the file COPYING.  If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; the Free Software Foundation, 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
 
 
 ;;- Instruction patterns.  When multiple patterns apply,
@@ -1419,11 +1420,12 @@
 
 ;; When the field position and size are constant and the destination
 ;; is a register, extv and extzv are much slower than a rotate followed
-;; by a bicl or sign extension.
+;; by a bicl or sign extension.  Because we might end up choosing ext[z]v
+;; anyway, we can't allow immediate values for the primary source operand.
 
 (define_insn ""
   [(set (match_operand:SI 0 "general_operand" "=g")
-	(sign_extract:SI (match_operand:SI 1 "nonmemory_operand" "r")
+	(sign_extract:SI (match_operand:SI 1 "nonimmediate_operand" "ro")
 			 (match_operand:QI 2 "general_operand" "g")
 			 (match_operand:SI 3 "general_operand" "g")))]
   ""
@@ -1440,7 +1442,7 @@
 
 (define_insn ""
   [(set (match_operand:SI 0 "general_operand" "=g")
-	(zero_extract:SI (match_operand:SI 1 "register_operand" "ri")
+	(zero_extract:SI (match_operand:SI 1 "nonimmediate_operand" "ro")
 			 (match_operand:QI 2 "general_operand" "g")
 			 (match_operand:SI 3 "general_operand" "g")))]
   ""