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
|
TEXT strcpy(SB),$0
MOVL $0, AX
MOVQ $-1, CX
CLD
/*
* find end of second string
*/
MOVQ p2+8(FP), DI
REPN; SCASB
MOVQ DI, BX
SUBQ p2+8(FP), BX
/*
* copy the memory
*/
MOVQ RARG, DI
MOVQ p2+8(FP), SI
/*
* copy whole longs, if aligned
*/
MOVQ DI, CX
ORQ SI, CX
ANDL $3, CX
JNE c3
MOVQ BX, CX
SHRQ $2, CX
REP; MOVSL
/*
* copy the rest, by bytes
*/
ANDL $3, BX
c3:
MOVL BX, CX
REP; MOVSB
MOVQ RARG, AX
RET
|
