optabs.c (emit_cmp_and_jump_insns): Be more thorough in canonization.

        * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
        canonization.

From-SVN: r28885

gcc/ChangeLog

+Wed Aug 25 17:56:59 1999  Richard Henderson  <rth@cygnus.com>
+
+	* optabs.c (emit_cmp_and_jump_insns): Be more thorough in
+	canonization.
+
 Wed Aug 25 15:35:55 1999  Richard Henderson  <rth@cygnus.com>
 
 	* m88k.h (VERSION_INFO2): Kill.

gcc/optabs.c

@@ -3299,7 +3299,8 @@ emit_cmp_and_jump_insns (x, y, comparison, size, mode, unsignedp, align, label)
   rtx op0;
   rtx op1;
 	  
-  if (CONSTANT_P (x))
+  if ((CONSTANT_P (x) && ! CONSTANT_P (y))
+      || (GET_CODE (x) == CONST_INT && GET_CODE (y) != CONST_INT))
     {
       /* Swap operands and condition to ensure canonical RTL.  */
       op0 = y;