Code mit und ohne inline vergleichen

typedef uint8_t u08;

#define screenx 16
#define screeny 16

u08 volatile gdata[screeny][screenx]; //Die Daten fürs Display[y;Zeile][x;Spalte]

u08 linebuff[maxscreen+1];

static __inline__ void pixel_set(u08 posx, u08 posy, u08 color) {
#if (pixel_set_always_safe == 1)
if ((posx < screenx) && (posy < screeny)) {
gdata[posy][posx] = color;
}
#else
gdata[posy][posx] = color;
#endif
}

void move_line_up (u08 x) {
u08 y;
for (y = 0;y < (screeny-1);y++) {
//pixel_set(x,y,gdata[y+1][x]);
gdata[y][x] = gdata[y+1][x];
if (y == (screeny-2)) {
//pixel_set(x,y+1,linebuff[x]);
gdata[y+1][x] = linebuff[x];
}
}
}

void move_line_up (u08 x) {
u08 y;
for (y = 0;y < (screeny-1);y++) {
pixel_set(x,y,gdata[y+1][x]);
//gdata[y][x] = gdata[y+1][x];
if (y == (screeny-2)) {
pixel_set(x,y+1,linebuff[x]);
//gdata[y+1][x] = linebuff[x];
}
}
}

*/ohne Inline */

	.stabs	"move_line_up:F(0,19)",36,0,0,move_line_up
	.stabs	"x:P(1,1)",64,0,0,24
.global	move_line_up
	.type	move_line_up, @function
move_line_up:
	.stabn 68,0,56,.LM26-move_line_up
	/*Zeile 56: void move_line_up (u08 x) */
	/*Zeile 57: u08 y; */
.LM26:
/* prologue: frame size=0 */


/* prologue end (size=0) */
	.stabn 68,0,58,.LM27-move_line_up
	/*Zeile 58: for (y = 0;y < (screeny-1);y++) { */
.LM27:
	ldi r18,lo8(0)
	clr r25
	movw r26,r24
	subi r26,lo8(-(linebuff))
	sbci r27,hi8(-(linebuff))



	movw r30,r24
	subi r30,lo8(-(gdata))
	sbci r31,hi8(-(gdata))



.L47:
	.stabn 68,0,60,.LM28-move_line_up
	/*Zeile 60: gdata[y][x] = gdata[y+1][x]; */
.LM28:
	ldd r24,Z+16




	st Z,r24




	.stabn 68,0,61,.LM29-move_line_up
	/* Zeile 61: if (y == (screeny-2)) { */
.LM29:
	cpi r18,lo8(14)
	brne .L45



	.stabn 68,0,63,.LM30-move_line_up
	/* Zeile 63: gdata[y+1][x] = linebuff[x]; */
.LM30:
	ld r19,X




	std Z+16,r19
.L45:




	.stabn 68,0,58,.LM31-move_line_up+
/* nochmal Zeile 58: for (y = 0;y < (screeny-1);y++) { */
.LM31:
	subi r18,lo8(-(1))
	adiw r30,16
	cpi r18,lo8(15)
	brlo .L47
/* epilogue: frame size=0 */


	ret
/* epilogue end (size=1) */
/* function move_line_up size 19 (18) */
	.size	move_line_up, .-move_line_up

/* mit Inline*/

	.stabs	"move_line_up:F(0,19)",36,0,0,move_line_up
	.stabs	"x:P(1,1)",64,0,0,24
.global	move_line_up
	.type	move_line_up, @function
move_line_up:
	.stabn 68,0,56,.LM26-move_line_up
	/* Zeile 56: void move_line_up (u08 x) */
	/* Zeile 57: u08 y; */
.LM26:
/* prologue: frame size=0 */
	push r28
	push r29
/* prologue end (size=2) */
	.stabn 68,0,58,.LM27-move_line_up
	/* Zeile 58: for (y = 0;y < (screeny-1);y++) { */
.LM27:
	ldi r18,lo8(0)
	clr r25
	movw r28,r24
	subi r28,lo8(-(linebuff))
	sbci r29,hi8(-(linebuff))
	movw r26,r24
	subi r26,lo8(-(gdata+240))
	sbci r27,hi8(-(gdata+240))
	movw r30,r24
	subi r30,lo8(-(gdata))
	sbci r31,hi8(-(gdata))
.L49:
.LBB4:
	.stabs	"graphicfunctions.h",132,0,0,.Ltext3
.Ltext3:
	.stabn 68,0,7,.LM28-move_line_up
	/* static __inline__ void pixel_set(u08 posx, u08 posy, u08 color) { */
.LM28:
	ldd r24,Z+16
.LBB5:
	.stabn 68,0,13,.LM29-move_line_up
	/* gdata[posy][posx] = color; */
.LM29:
	st Z,r24
.LBE5:
.LBE4:
	.stabs	"graphicfunctions.c",132,0,0,.Ltext4
.Ltext4:
	.stabn 68,0,61,.LM30-move_line_up
	/*Zeile 61: if (y == (screeny-2)) {  */
.LM30:
	cpi r18,lo8(14)
	brne .L45
.LBB6:
	.stabs	"graphicfunctions.h",132,0,0,.Ltext5
.Ltext5:
	.stabn 68,0,7,.LM31-move_line_up
	/* static __inline__ void pixel_set(u08 posx, u08 posy, u08 color) { */
.LM31:
	ld r19,Y
.LBB7:
	.stabn 68,0,13,.LM32-move_line_up
	/* gdata[posy][posx] = color; */
.LM32:
	st X,r19
.L45:
.LBE7:
.LBE6:
	.stabs	"graphicfunctions.c",132,0,0,.Ltext6
.Ltext6:
	.stabn 68,0,58,.LM33-move_line_up
	/* nochmal Zeile 58: for (y = 0;y < (screeny-1);y++) { */
.LM33:
	subi r18,lo8(-(1))
	adiw r30,16
	cpi r18,lo8(15)
	brlo .L49
/* epilogue: frame size=0 */
	pop r29
	pop r28
	ret
/* epilogue end (size=3) */
/* function move_line_up size 26 (21) */
	.size	move_line_up, .-move_line_up