0x48, 0x8d, 0x6c, 0x24, 0xf0, // LEAQ -16(SP), BP
}

var bpduff2 = []byte{
	0x48, 0x8b, 0x6d, 0x00, // MOVQ 0(BP), BP
}

// asmevex emits EVEX pregis and opcode byte.
// In addition to asmvex r/m, vvvv and reg fields also requires optional
// K-masking register.
//
// Expects asmbuf.evex to be properly initialized.
func (ab *AsmBuf) asmevex(ctxt *obj.Link, p *obj.Prog, rm, v, r, k *obj.Addr) {

	if r.FormValue("close") == "true" {
		w.Header().Set("Connection", "close")
	}
	w.Header().Set("X-Saw-Close", fmt.Sprint(r.Close))
	w.Write([]byte(r.RemoteAddr))

	// Include the address of the net.Conn in addition to the RemoteAddr,
	// in case kernels reuse source ports quickly (see Issue 52450)
	if c, ok := ResponseWriterConnForTesting(w); ok {
		fmt.Fprintf(w, ", %T %p", c, c)
	}
})