p.As = AMOVD
		p.From.Type = obj.TYPE_MEM
		p.From.Reg = REGSP
		p.From.Offset = 8
		p.To.Type = obj.TYPE_REG
		p.To.Reg = REG_R2
	}

	// The instructions which unspill regs should be preemptible.
	p = c.ctxt.EndUnsafePoint(p, c.newprog, -1)
	unspill := c.cursym.Func().UnspillRegisterArgs(p, c.newprog)

	// BR	start
	p = obj.Appendp(unspill, c.newprog)
	p.As = ABR

		{name: "CVTSS2SD", argLength: 1, reg: fp11, asm: "CVTSS2SD"},   // convert float32 to float64

		{name: "PXOR", argLength: 2, reg: fp21, asm: "PXOR", commutative: true, resultInArg0: true}, // exclusive or, applied to X regs for float negation.

		{name: "LEAL", argLength: 1, reg: gp11sb, aux: "SymOff", rematerializeable: true, symEffect: "Addr"}, // arg0 + auxint + offset encoded in aux

	callend := call
	progedit(ctxt, callend, newprog)
	for ; callend.Link != nil; callend = callend.Link {
		progedit(ctxt, callend.Link, newprog)
	}

	// The instructions which unspill regs should be preemptible.
	pcdata = ctxt.EndUnsafePoint(callend, newprog, -1)
	unspill := cursym.Func().UnspillRegisterArgs(pcdata, newprog)

	jmp := obj.Appendp(unspill, newprog)
	jmp.As = obj.AJMP