.global    netw_memcpy
    .type    netw_memcpy, @function
netw_memcpy:
/* prologue: frame size=0 */
/* prologue end (size=0) */
    movw r26,r24
    movw r30,r22
.L7:
    tst r20
    breq .L1
    ld r24,Z+
    st X+,r24
    subi r20,lo8(-(-1))
    rjmp .L7
.L1:
    ret
/* epilogue: frame size=0 */

.global    netw_memcpy
    .type    netw_memcpy, @function
netw_memcpy:
/* prologue: frame size=0 */
/* prologue end (size=0) */
    movw r26,r24
    movw r30,r22
    rjmp .L7
.L9:
    ld r24,Z+
    st X+,r24
    subi r20,lo8(-(-1))
.L7:
    tst r20
    brne .L9
    ret
/* epilogue: frame size=0 */

.global    netw_memcpy
    .type    netw_memcpy, @function
netw_memcpy:
/* prologue: frame size=0 */
/* prologue end (size=0) */
    tst r20
    breq .L5
    movw r26,r22
    movw r30,r24
.L4:
    ld r24,X+
    st Z+,r24
    subi r20,lo8(-(-1))
    brne .L4
.L5:
    ret
/* epilogue: frame size=0 */

void cpy ( char* x , char* y , size_t s  )
{
  if ( !s ) return;
  size_t t = s;
  do
   {
     *(y++) = *(x++);
   }
  while( --t );
}

000000DC:   01FC        MOVW      R30,R24        Copy register pair
000000DD:   01DB        MOVW      R26,R22        Copy register pair
22:         if ( !s ) return;
000000DE:   1541        CP        R20,R1         Compare
000000DF:   0551        CPC       R21,R1         Compare with carry
000000E0:   F029        BREQ      PC+0x06        Branch if equal
26:            *(y++) = *(x++);
000000E1:   9181        LD        R24,Z+         Load indirect and postincrement
000000E2:   938D        ST        X+,R24         Store indirect and postincrement
28:         while( --t );
000000E3:   5041        SUBI      R20,0x01       Subtract immediate
000000E4:   4050        SBCI      R21,0x00       Subtract immediate with carry
000000E5:   CFF8        RJMP      PC-0x0007      Relative jump
000000E6:   9508        RET                      Subroutine return

        RSEG CODE:CODE:NOROOT(1)
//   27 __x_z void cpy ( char* x , char* y , size_t s  )
cpy:
//   28 {
        MOV     R19, R25
        MOV     R20, R24
//   29   if ( !s ) return;
        MOV     R18, R16
        OR      R18, R17
        BREQ    ??cpy_0
//   30   size_t t = s;
        MOVW    R25:R24, R17:R16
//   31   do
//   32    {
//   33      *(y++) = *(x++);
??cpy_1:
        LD      R16, X+
        ST      Z+, R16
//   34    }
//   35   while( --t );
        SBIW    R25:R24, 1
        BRNE    ??cpy_1
??cpy_0:
        MOV     R24, R20
        MOV     R25, R19
        RET
//   36 }