1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
#include "setarch.h"
#include "defines.h"
.section .text
.align 2
.global _strcmp
_strcmp:
MOVP A0P,A2P
MOVP A1P,A3P
.L5:
mov.b @A2P+,A1L
beq .L3
mov.b @A3P+,A0L
cmp.b A0L,A1L
beq .L5
#ifdef __NORMAL_MODE__
sub #1,A3P
#else
subs #1,A3P
#endif
.L3:
mov.b @(-1,A2P),A0L
mov.b @A3P,A1L
sub.b A1L,A0L
; We have to sign extend the result to 32bits just in case
; we are using 32bit integers.
#ifdef __H8300H__
exts.w r0
exts.l er0
#else
#ifdef __H8300S__
exts.w r0
exts.l er0
#else
bld #7,r0l
subx r0h,r0h
subx r1l,r1l
subx r1h,r1h
#endif
#endif
rts
.end
|
