test.Pos = bb.Pos
		sched.Pos = bb.Pos

		// if sp < g.limit { goto sched }
		// goto header

		cfgtypes := &f.Config.Types
		pt := cfgtypes.Uintptr
		g := test.NewValue1(bb.Pos, OpGetG, pt, mem0)
		sp := test.NewValue0(bb.Pos, OpSP, pt)
		cmpOp := OpLess64U
		if pt.Size() == 4 {
			cmpOp = OpLess32U
		}
		limaddr := test.NewValue1I(bb.Pos, OpOffPtr, pt, 2*pt.Size(), g)