c6x.md (indirect_jump_shadow): Tweak representation to make computed_jump_p return true.

	* config/c6x/c6x.md (indirect_jump_shadow): Tweak representation
	to make computed_jump_p return true.

From-SVN: r177968

gcc/ChangeLog

+2011-08-22  Bernd Schmidt  <bernds@codesourcery.com>
+
+	* config/c6x/c6x.md (indirect_jump_shadow): Tweak representation
+	to make computed_jump_p return true.
+
 2011-08-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* configure.ac (GCC_PICFLAG_FOR_TARGET): Call it.

gcc/config/c6x/c6x.md

@@ -1427,8 +1427,10 @@
    (set_attr "cross" "y,n")
    (set_attr "dest_regfile" "b")])
 
+;; computed_jump_p returns true if it finds a constant; so use one in the
+;; unspec.
 (define_insn "indirect_jump_shadow"
-  [(set (pc) (unspec [(pc)] UNSPEC_JUMP_SHADOW))]
+  [(set (pc) (unspec [(const_int 1)] UNSPEC_JUMP_SHADOW))]
   ""
   ";; indirect jump occurs"
   [(set_attr "type" "shadow")])