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From: Paul Koning <paul_koning@dell.com>
Subject: [PATCH] pdp11: fix ICE
Date: Fri, 29 Oct 2010 16:40:53 -0400
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This fixes an ICE in divhi3 when the dividend is a constant.

Tested by build and make check.  Committed.

	paul

ChangeLog:

2010-10-29  Paul Koning  <ni1d@arrl.net>

	* config/pdp11/pdp11.md (divhi3, modhi3, divmodhi3): Fix ICE.

Index: config/pdp11/pdp11.md
===================================================================
--- config/pdp11/pdp11.md	(revision 166073)
+++ config/pdp11/pdp11.md	(working copy)
@@ -1418,9 +1418,9 @@
 	 
 (define_expand "divhi3"
   [(set (subreg:HI (match_dup 1) 0)
-	(div:HI (match_operand:SI 1 "general_operand" "0")
+	(div:HI (match_operand:SI 1 "register_operand" "0")
 		(match_operand:HI 2 "general_operand" "g")))
-   (set (match_operand:HI 0 "general_operand" "=r")
+   (set (match_operand:HI 0 "register_operand" "=r")
         (subreg:HI (match_dup 1) 0))]
   "TARGET_40_PLUS"
   "")
@@ -1435,9 +1435,9 @@
 
 (define_expand "modhi3"
   [(set (subreg:HI (match_dup 1) 2)
-	(mod:HI (match_operand:SI 1 "general_operand" "0")
+	(mod:HI (match_operand:SI 1 "register_operand" "0")
 		(match_operand:HI 2 "general_operand" "g")))
-   (set (match_operand:HI 0 "general_operand" "=r")
+   (set (match_operand:HI 0 "register_operand" "=r")
         (subreg:HI (match_dup 1) 2))]
   "TARGET_40_PLUS"
   "")
@@ -1452,14 +1452,14 @@
 
 ;(define_expand "divmodhi4"
 ;  [(parallel [(set (subreg:HI (match_dup 1) 0)
-;	           (div:HI (match_operand:SI 1 "general_operand" "0")
+;	           (div:HI (match_operand:SI 1 "register_operand" "0")
 ;		           (match_operand:HI 2 "general_operand" "g")))
 ;              (set (subreg:HI (match_dup 1) 2)
 ;	           (mod:HI (match_dup 1)
 ;		           (match_dup 2)))])
-;   (set (match_operand:HI 3 "general_operand" "=r")
+;   (set (match_operand:HI 3 "register_operand" "=r")
 ;        (subreg:HI (match_dup 1) 2))
-;   (set (match_operand:HI 0 "general_operand" "=r")
+;   (set (match_operand:HI 0 "register_operand" "=r")
 ;        (subreg:HI (match_dup 1) 0))]
 ;  "TARGET_40_PLUS"
 ;  "")