newlib-cygwin/newlib/libc/machine/mn10300/strlen.S

45 lines
549 B
ArmAsm
Raw Normal View History

2000-02-18 03:39:52 +08:00
.file "strlen.S"
.section .text
.global _strlen
.type _strlen,@function
_strlen:
movm [d2,d3,a2,a3],(sp)
mov d0,a0
mov a0,a2
#ifndef __OPTIMIZE_SIZE__
btst 3,d0
bne .L21
mov (a0),d0
mov -16843009,a1
mov a1,d1
add d0,d1
not d0
and d0,d1
mov -2139062144,d2
btst -2139062144,d1
bne .L21
.L15:
setlb
inc4 a0
mov (a0),d0
mov a1,d1
add d0,d1
not d0
and d0,d1
and d2,d1
leq
jmp .L21
#endif
.L19:
inc a0
.L21:
movbu (a0),d3
cmp 0,d3
bne .L19
sub a2,a0
mov a0,d0
ret [d2,d3,a2,a3],16
.Lfe1:
.size _strlen,.Lfe1-_strlen