Subversion Repositories HelenOS

Rev

Rev 2165 | Rev 2465 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2165 Rev 2323
Line 34... Line 34...
34 
memcpy:
 34 
memcpy:
35 
	add     r3, r1, #3
 35 
	add     r3, r1, #3
36 
	bic     r3, r3, #3
 36 
	bic     r3, r3, #3
37 
	cmp     r1, r3
 37 
	cmp     r1, r3
38 
	stmdb   sp!, {r4, lr}
 38 
	stmdb   sp!, {r4, lr}
39 
	beq     case_4
 39 
	beq     4f
40 
case_1:
 40 
1:
41 
	cmp     r2, #0
 41 
	cmp     r2, #0
42 
	movne   ip, #0
 42 
	movne   ip, #0
43 
	beq     case_3
 43 
	beq     3f
44 
case_2:
 44 
2:
45 
	ldrb    r3, [ip, r1]
 45 
	ldrb    r3, [ip, r1]
46 
	strb    r3, [ip, r0]
 46 
	strb    r3, [ip, r0]
47 
	add     ip, ip, #1
 47 
	add     ip, ip, #1
48 
	cmp     ip, r2
 48 
	cmp     ip, r2
49 
	bne     case_2
 49 
	bne     2b
50 
case_3:
 50 
3:
51 
	mov     r0, r1
 51 
	mov     r0, r1
52 
	ldmia   sp!, {r4, pc}
 52 
	ldmia   sp!, {r4, pc}
53 
case_4:
 53 
4:
54 
	add     r3, r0, #3
 54 
	add     r3, r0, #3
55 
	bic     r3, r3, #3
 55 
	bic     r3, r3, #3
56 
	cmp     r0, r3
 56 
	cmp     r0, r3
57 
	bne     case_1
 57 
	bne     1b
58 
	movs    r4, r2, lsr #2
 58 
	movs    r4, r2, lsr #2
59 
	moveq   lr, r4
 59 
	moveq   lr, r4
60 
	beq     case_6
 60 
	beq     6f
61 
	mov     lr, #0
 61 
	mov     lr, #0
62 
	mov     ip, lr
 62 
	mov     ip, lr
63 
case_5:
 63 
5:
64 
	ldr     r3, [ip, r1]
 64 
	ldr     r3, [ip, r1]
65 
	add     lr, lr, #1
 65 
	add     lr, lr, #1
66 
	cmp     lr, r4
 66 
	cmp     lr, r4
67 
	str     r3, [ip, r0]
 67 
	str     r3, [ip, r0]
68 
	add     ip, ip, #4
 68 
	add     ip, ip, #4
69 
	bne     case_5
 69 
	bne     5b
70 
case_6:
 70 
6:
71 
	ands    r4, r2, #3
 71 
	ands    r4, r2, #3
72 
	beq     case_3
 72 
	beq     3b
73 
	mov     r3, lr, lsl #2
 73 
	mov     r3, lr, lsl #2
74 
	add     r0, r3, r0
 74 
	add     r0, r3, r0
75 
	add     ip, r3, r1
 75 
	add     ip, r3, r1
76 
	mov     r2, #0
 76 
	mov     r2, #0
77 
case_7:
 77 
7:
78 
	ldrb    r3, [r2, ip]
 78 
	ldrb    r3, [r2, ip]
79 
	strb    r3, [r2, r0]
 79 
	strb    r3, [r2, r0]
80 
	add     r2, r2, #1
 80 
	add     r2, r2, #1
81 
	cmp     r2, r4
 81 
	cmp     r2, r4
82 
	bne     case_7
 82 
	bne     7b
83 
	b       case_3
 83 
	b       3b
84 
 
 84 
 
85 
 
 85