blob: 9f2a0a859d43911015466a7f8efd819b55e97189 (
about) (
plain)
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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
### make memory reads and writes of bytes, words and dwords at both
### aligned and unaligned locations
## set up stack
set_sp 0
## store value h9A785634 at h100 writing 1 byte at a time
# write first 2 bytes using storeb
const h34
storeb h000100
# try putting some garbage in higher 3 bytes of our constant - it should
# not get written anyway
const h9ABA9E56
storeb h000101
# write another 2 bytes using storeb+
const 2
const h78
storeb+ h100
const 3
const h9A
storeb+ h100
## test single-byte loads
# sign-extend read value h9A (as hFFFFFF9A) and store it at h104
loadbsx h00103
store h00104
# sign-extend read value h78 (as h00000078) and store it at h108
const 2
loadbsx+ h00100
store h00108
# zero-extend read value h9A (as h0000009A) and store it at h10C
const 3
loadbzx+ h00100
store h0010C
# zero-extend read value h78 (as h00000078) and store it at h110
loadbzx h00102
store h00110
## store values hD4C32B1A and h8877FFEE at h200 and h204
## writing 2 bytes at a time
# make aligned writes at h200 and h206
# only byte 1A matters - higher one will be overwritten later
const h481A
storew h00200
# only byte 88 matters - lower one will be overwritten later
const 6
const h8805
storew+ h00200
# make unaligned writes at h203, h201 and h205
const hEED4
storew h00203
const 1
const hC32B
storew+ h00200
# only bytes 77FF matter - higher ones won't be written anyway
const h71F577FF
storew h00205
## test 2-word loads
# sign-extend read value h2B1A (as h00002B1A) and store it at h208
const 0
loadwsx+ h00200
store h00208
# sign-extend read value hC32B (as hFFFFC32B) and store it at h20C
loadwsx h00201
store h0020C
# zero-extend read value hD4C3 (as h0000D4C3) and store it at h210
loadwzx h00202
store h00210
# zero-extend read value h77FF (as h000077FF) and store it at h214
const 5
loadwzx+ h00200
store h00214
## test unaligned 4-byte memory writes
# write values h92837400, hBECD0001 and h000044AF at h300, h304 and h308
const 0
const 0
const 0
storeb h300
storeb h305
storew h30A
const h01928374
store h301
const 6
const h44AFBECD
store+ h300
## test unaligned 4-byte memory reads
# read value hCD000192 and write it at h30C
load h303
store h30C
# read value h0044AFBE and write it at h310
const 7
load+ h300
store h310
halt
|
