#pragma inline=forced
#pragma optimize=s 9 /* this switches the maximum speed optimization for this function only */
void delay(uint8_t delatTime) /* delay routine */
/*------------------------------------------------------ */
{
if(delatTime> TIME_0) /* we do delay on base on the dwell time */
{ /* no branch - 2 clock cycles to this point */
if(delatTime> TIME_1)
{ /* no branch - 4 clock cycles to this point */
if(delatTime> TIME_2)
{ /* no branch - 6 clock cycles to this point */
if(delatTime> TIME_3)
{ /* no branch - 8 clock cycles to this point */
if(delatTime> TIME_4)
{ /* no branch - 10 clock cycles to this point */
if(delatTime> TIME_5)
{ /* no branch - 12 clock cycles to this point */
if(delatTime> TIME_6)
{ /* no branch - 14 clock cycles to this point */
if(delatTime> TIME_7)
{ /* no branch - 16 clock cycles to this point */
if(delatTime> TIME_8)
{ /* no branch - 18 clock cycles to this point */
if(delatTime> TIME_9)
{ /* no branch - 20 clock cycles to this point */
if(delatTime> TIME_10)
{ /* no branch - 22 clock cycles to this point */
__delay_cycles(2);
}
}
}
}
}
}
}
}
}
}
}
}

Fatal Error[Ta030]: Argument to __delay_cycles must be a constant expression.

void Pause(unsigned int volatile mks)
{
    while(mks--);
}

#define TICK 2
...
void delay_variable(uint8 tick)
{
     for(uint8 i=tick;i;i--) __delay_cycles(TICK);
}
...
delay_variable(x);

my_delay:
        ldi   r30, low (Label/2)
        ldi   r31, high (Label/2)
        add   r30, r16
        adc   r31, r17
        ijmp
Label:
        nop
        nop
........................
        nop
        nop
        ret

#define ONE_NOP(NAME,NEXT_NAME)\
static void delay_##NEXT_NAME(char ;\
static void delay_##NAME(char \
{\
__no_operation();\
delay_##NEXT_NAME(;\
}\

ONE_NOP(4,3)
ONE_NOP(3,2)
ONE_NOP(2,1)
ONE_NOP(1,0)

#pragma optimize=no_inline
static void delay_0(char
{
PORTB=b;
}

void delay_x(char b, char c)
{
char __flash *p=(char __flash *)delay_4;
p+=c;
((void(*)(char))p)(;
}

\ In segment CODE, align 2, keep-with-next
11 ONE_NOP(4,3)
\ delay_4:
\ 00000000 0000 NOP
\ 00000002 0000 NOP
\ 00000004 0000 NOP
\ 00000006 0000 NOP
\ 00000008 REQUIRE delay_0
\ 00000008 ; // Fall through to label delay_0
12 ONE_NOP(3,2)
13 ONE_NOP(2,1)
14 ONE_NOP(1,0)
15
16 #pragma optimize=no_inline

\ In segment CODE, align 2, keep-with-next
17 static void delay_0(char
\ delay_0:
18 {
19 PORTB=b;
\ 00000000 B905 OUT 0x05, R16
20 }
\ 00000002 9508 RET
\ 00000004 REQUIRE _A_PORTB
21

\ In segment CODE, align 2, keep-with-next
22 void delay_x(char b, char c)
\ delay_x:
23 {
24 char __flash *p=(char __flash *)delay_4;
25 p+=c;
26 ((void(*)(char))p)(;
\ 00000000 .... LDI R30, LOW(delay_4/2)
\ 00000002 .... LDI R31, (delay_4/2) >> 8
\ 00000004 E030 LDI R19, 0
\ 00000006 0FE1 ADD R30, R17
\ 00000008 1FF3 ADC R31, R19
\ 0000000A 9409 IJMP
27 }