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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
bits 32
;jmp strict near foo
;jmp near foo
;jmp strict short foo
;jmp short foo
;jmp foo
;
;jz strict near foo
;jz near foo
;jz strict short foo
;jz short foo
;jz foo
;
;foo:
add eax, 4
add eax, strict 4 ; NASM generates dword, yasm generates byte
add eax, byte 4
add eax, strict byte 4
add eax, dword 4 ; optimized to byte
add eax, strict dword 4
add eax, 400
add eax, strict 400
add eax, byte 400 ; generates warning
add eax, strict byte 400 ; generates warning
add eax, dword 400 ; optimized to byte
add eax, strict dword 400
add ebx, 4
add ebx, strict 4 ; NASM generates dword, yasm generates byte
add ebx, byte 4
add ebx, strict byte 4
add ebx, dword 4 ; optimized to byte
add ebx, strict dword 4
add ebx, 400
add ebx, strict 400
add ebx, byte 400 ; generates warning
add ebx, strict byte 400 ; generates warning
add ebx, dword 400 ; optimized to byte
add ebx, strict dword 400
add [eax], byte 4 ; same as byte [eax], 4
add [eax], strict byte 4 ; same as byte [eax], 4
add [eax], dword 4 ; generates dword [eax], byte 4
add [eax], strict dword 4 ; generates dword [eax], dword 4
add dword [eax], 4
add dword [eax], strict 4 ; NASM generates dword, yasm generates byte
add dword [eax], byte 4
add dword [eax], strict byte 4
add dword [eax], dword 4 ; optimized to byte
add dword [eax], strict dword 4
add dword [eax], 400
add dword [eax], strict 400
add dword [eax], byte 400 ; generates warning
add dword [eax], strict byte 400; generates warning
add dword [eax], dword 400 ; optimized to byte
add dword [eax], strict dword 400
push 4
push strict 4 ; NASM generates dword, yasm generates byte
push byte 4
push strict byte 4
push dword 4 ; optimized to byte
push strict dword 4
push 400
push strict 400
push byte 400 ; generates warning
push strict byte 400 ; generates warning
push dword 400
push strict dword 400
imul eax, 4
imul eax, strict 4 ; NASM generates dword, yasm generates byte
imul eax, byte 4
imul eax, strict byte 4
imul eax, dword 4 ; optimized to byte
imul eax, strict dword 4
imul eax, 400
imul eax, strict 400
imul eax, byte 400 ; generates warning
imul eax, strict byte 400 ; generates warning
imul eax, dword 400
imul eax, strict dword 400
%ifndef __NASM_VERSION_ID__
bits 64
add rax, 4
add rax, strict 4 ; NASM generates dword, yasm generates byte
add rax, byte 4
add rax, strict byte 4
add rax, dword 4
add rax, strict dword 4
add rax, 400
add rax, strict 400
add rax, byte 400 ; generates warning
add rax, strict byte 400 ; generates warning
add rax, dword 400
add rax, strict dword 400
add rbx, 4
add rbx, strict 4 ; NASM generates dword, yasm generates byte
add rbx, byte 4
add rbx, strict byte 4
add rbx, dword 4
add rbx, strict dword 4
add rbx, 400
add rbx, strict 400
add rbx, byte 400 ; generates warning
add rbx, strict byte 400 ; generates warning
add rbx, dword 400
add rbx, strict dword 400
add [rax], byte 4 ; same as byte [rax], 4
add [rax], strict byte 4 ; same as byte [rax], 4
add [rax], word 4 ; same as word [rax], 4
add [rax], strict word 4 ; same as word [rax], strict word 4
add dword [rax], 4
add dword [rax], strict 4
add dword [rax], byte 4
add dword [rax], strict byte 4
add dword [rax], dword 4
add dword [rax], strict dword 4
add dword [rax], 400
add dword [rax], strict 400
add dword [rax], byte 400 ; generates warning
add dword [rax], strict byte 400; generates warning
add dword [rax], dword 400
add dword [rax], strict dword 400
add qword [rax], 4
add qword [rax], strict 4
add qword [rax], byte 4
add qword [rax], strict byte 4
add qword [rax], dword 4
add qword [rax], strict dword 4
add qword [rax], 400
add qword [rax], strict 400
add qword [rax], byte 400 ; generates warning
add qword [rax], strict byte 400; generates warning
add qword [rax], dword 400
add qword [rax], strict dword 400
push 4
push strict 4 ; NASM generates dword, yasm generates byte
push byte 4
push strict byte 4
push dword 4 ; optimized to byte
push strict dword 4
;push qword 4 ; illegal
;push strict qword 4 ; illegal
push 400
push strict 400
push byte 400 ; generates warning
push strict byte 400 ; generates warning
push dword 400
push strict dword 400
;push qword 400 ; illegal
;push strict qword 400 ; illegal
%endif
|
