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

77 lines
826 B
ArmAsm
Raw Normal View History

2000-02-18 03:39:52 +08:00
.file "memchr.S"
.section .text
.global _memchr
.type _memchr,@function
_memchr:
movm [d2,d3,a2,a3],(sp)
mov d0,a0
mov d1,d2
mov (28,sp),a1
#ifndef __OPTIMIZE_SIZE__
cmp 3,a1
bls .L44
mov a0,d3
btst 3,d3
bne .L44
mov a0,a2
mov 0,a3
clr d1
.L29:
setlb
mov a3,d0
asl 8,d0
mov d2,a3
add d0,a3
inc d1
cmp 3,d1
lls
cmp 3,a1
bls .L48
.L33:
mov (a2),d0
mov a3,d3
xor d3,d0
mov d0,d1
not d1
add -16843009,d0
and d1,d0
btst -2139062144,d0
beq .L34
mov a2,a0
clr d1
.L38:
setlb
movbu (a0),d0
cmp d2,d0
beq .L47
inc a0
inc d1
cmp 3,d1
lls
.L34:
add -4,a1
inc4 a2
cmp 3,a1
bhi .L33
.L48:
mov a2,a0
#endif
.L44:
cmp 0,a1
beq .L50
.L49:
setlb
movbu (a0),d0
cmp d2,d0
beq .L47
inc a0
sub 1,a1
lne
.L50:
mov 0,a0
.L47:
ret [d2,d3,a2,a3],16
.Lfe1:
.size _memchr,.Lfe1-_memchr