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
44
45
46
47
48
49
50
51
52
53
54
55
|
# cpuburn : burnCortexA8 CPU Loading Utility
# Author: Grégory Herrero <g-herrero@ti.com>
# Copyright 2010 Texas Instruments. All Right Reserved
# Licensed under GNU General Public Licence 2.0. No warrantee.
# *** USE AT YOUR OWN RISK ***
.syntax unified
.global _start
.thumb_func
_start:
ldr r1,=#4000000000
ldr r0,=#55000
ldr r3,=#58550
ldr r4,=#45457
ldr r5,=#44549
vdup.16 d0,r0 @ Fill neon's registers
vdup.16 d1,r3
vdup.16 d4,r4
vdup.16 d5,r5
ldr r7,=data
nop @ Nop to disalign
nop
loop: @ Beginning of the crunch loop
vmla.i16 d6,d5,d4
subs r1,#1
vld1.32 d3,[r7]
vmla.i16 d2,d1,d0
nop
bne loop
test: @ Tests operations
vmov.32 r8,d2[0]
vmov.32 r9,d6[0]
ldr r10,=#0x48004800
ldr r11,=#0x80008000
cmp r9,r10
bne exit
cmp r8,r11
bne exit
b loop
exit: @ Exit program
mov r0,#0
mov r7,#1
swi 0
.data
nop @ Nop to disalign data
data:
.word 0x12345678
|
