* gcc.c-torture/execute/align-3.c: Skip if pdp11.
	    * gcc.c-torture/execute/pr23467.c: Ditto.
	    * gcc.c-torture/execute/pr36093.c: Ditto.
	    * gcc.c-torture/execute/pr43783.c: Ditto.
	    * gcc.dg/const-elim-2.c: Xfail if pdp11.
	    * gcc.dg/torture/pr36400.c: Ditto.
	    * gcc.dg/tree-ssa/loop-1.c: Xfail for pdp11.  Add pdp11 to check
	    for jsr.

From-SVN: r266299