kernel_optimize_test/arch/h8300/lib/abs.S
Yoshinori Sato a71a29de4c h8300: library functions
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2015-06-23 13:35:54 +09:00

21 lines
216 B
ArmAsm

;;; abs.S
#include <asm/linkage.h>
#if defined(CONFIG_CPU_H8300H)
.h8300h
#endif
#if defined(CONFIG_CPU_H8S)
.h8300s
#endif
.text
.global _abs
;;; int abs(int n)
_abs:
mov.l er0,er0
bpl 1f
neg.l er0
1:
rts