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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
#include <stdint.h>
volatile int8_t c;
/* sorry about the uggly source,
but this way it can be the same as in the regression tests */
#define ASSERT(x) c = (x)
int8_t s8;
uint8_t u8;
int16_t s16;
uint16_t u16;
int32_t s32;
uint32_t u32;
#ifdef TEST1
void foo(void)
{
ASSERT (! (INT8_MIN - 1 == s8)); /* WARNING */
ASSERT (! (INT8_MAX + 1 == s8)); /* WARNING */
ASSERT ( (INT8_MIN - 1 != s8)); /* WARNING */
ASSERT ( (INT8_MAX + 1 != s8)); /* WARNING */
ASSERT ( (INT8_MIN - 1 < s8)); /* WARNING */
ASSERT (! (INT8_MAX < s8)); /* WARNING */
ASSERT ( (INT8_MIN <= s8)); /* WARNING */
ASSERT (! (INT8_MAX + 1 <= s8)); /* WARNING */
ASSERT (! (INT8_MIN > s8)); /* WARNING */
ASSERT ( (INT8_MAX + 1 > s8)); /* WARNING */
ASSERT (! (INT8_MIN - 1 >= s8)); /* WARNING */
ASSERT ( (INT8_MAX >= s8)); /* WARNING */
ASSERT (! ( 0 - 1 == u8)); /* WARNING */
ASSERT (! (UINT8_MAX + 1 == u8)); /* WARNING */
ASSERT ( ( 0 - 1 != u8)); /* WARNING */
ASSERT ( (UINT8_MAX + 1 != u8)); /* WARNING */
ASSERT ( ( 0 - 1 < u8)); /* WARNING */
ASSERT (! (UINT8_MAX < u8)); /* WARNING */
ASSERT ( ( 0 <= u8)); /* WARNING */
ASSERT (! (UINT8_MAX + 1 <= u8)); /* WARNING */
ASSERT (! ( 0 > u8)); /* WARNING */
ASSERT ( (UINT8_MAX + 1 > u8)); /* WARNING */
ASSERT (! ( 0 - 1 >= u8)); /* WARNING */
ASSERT ( (UINT8_MAX >= u8)); /* WARNING */
/* force extension to long to avoid int (16 bit) overflow */
ASSERT (! (INT16_MIN - 1L == s16)); /* WARNING */
ASSERT (! (INT16_MAX + 1L == s16)); /* WARNING */
ASSERT ( (INT16_MIN - 1L != s16)); /* WARNING */
ASSERT ( (INT16_MAX + 1L != s16)); /* WARNING */
ASSERT ( (INT16_MIN - 1L < s16)); /* WARNING */
ASSERT (! (INT16_MAX < s16)); /* WARNING */
ASSERT ( (INT16_MIN <= s16)); /* WARNING */
ASSERT (! (INT16_MAX + 1L <= s16)); /* WARNING */
ASSERT (! (INT16_MIN > s16)); /* WARNING */
ASSERT ( (INT16_MAX + 1L > s16)); /* WARNING */
ASSERT (! (INT16_MIN - 1L >= s16)); /* WARNING */
ASSERT ( (INT16_MAX >= s16)); /* WARNING */
ASSERT (! ( 0 - 1L == u16)); /* WARNING */
ASSERT (! (UINT16_MAX + 1L == u16)); /* WARNING */
ASSERT ( ( 0 - 1L != u16)); /* WARNING */
ASSERT ( (UINT16_MAX + 1L != u16)); /* WARNING */
ASSERT ( ( 0 - 1L < u16)); /* WARNING */
ASSERT (! (UINT16_MAX < u16)); /* WARNING */
ASSERT ( ( 0 <= u16)); /* WARNING */
ASSERT (! (UINT16_MAX + 1L <= u16)); /* WARNING */
ASSERT (! ( 0 > u16)); /* WARNING */
ASSERT ( (UINT16_MAX + 1L > u16)); /* WARNING */
ASSERT (! ( 0 - 1L >= u16)); /* WARNING */
ASSERT ( (UINT16_MAX >= u16)); /* WARNING */
/* sdcc can't hold a number (INT32_MIN - 1) or (INT32_MAX + 1),
there's no 'double' or 'long long' */
/* ASSERT (! (INT32_MIN - 1 == s32)); */
/* ASSERT (! (INT32_MAX + 1 == s32)); */
/* ASSERT ( (INT32_MIN - 1 != s32)); */
/* ASSERT ( (INT32_MAX + 1 != s32)); */
/* ASSERT ( (INT32_MIN - 1 < s32)); */
ASSERT (! (INT32_MAX < s32)); /* WARNING(SDCC) */
ASSERT ( (INT32_MIN <= s32)); /* WARNING(SDCC) */
/* ASSERT (! (INT32_MAX + 1 <= s32)); */
ASSERT (! (INT32_MIN > s32)); /* WARNING(SDCC) */
/* ASSERT ( (INT32_MAX + 1 > s32)); */
/* ASSERT (! (INT32_MIN - 1 >= s32)); */
ASSERT ( (INT32_MAX >= s32)); /* WARNING(SDCC) */
/* (0 - 1) wraps around to UINT32_MAX -> untestable */
/* ASSERT (! ( 0 - 1 == u32)); */
/* ASSERT (! (UINT32_MAX + 1 == u32)); */
/* ASSERT ( ( 0 - 1 != u32)); */
/* ASSERT ( (UINT32_MAX + 1 != u32)); */
/* ASSERT ( ( 0 - 1 < u32)); */
ASSERT (! (UINT32_MAX < u32)); /* WARNING(SDCC) */
ASSERT ( ( 0 <= u32)); /* WARNING(SDCC) */
/* ASSERT (! (UINT32_MAX + 1 <= u32)); */
ASSERT (! ( 0 > u32)); /* WARNING(SDCC) */
/* ASSERT ( (UINT32_MAX + 1 > u32)); */
/* ASSERT (! ( 0 - 1 >= u32)); */
ASSERT ( (UINT32_MAX >= u32)); /* WARNING(SDCC) */
}
#endif
#ifdef TEST2
void foo(void)
{
s8 = -129; /* WARNING */
s8 = INT8_MIN;
s8 = UINT8_MAX;
s8 = 256; /* WARNING */
s8 = -129; /* WARNING */
u8 = INT8_MIN;
u8 = UINT8_MAX;
u8 = 256; /* WARNING */
s16 = -32769L; /* WARNING */
s16 = INT16_MIN;
s16 = UINT16_MAX;
s16 = 65536L; /* WARNING */
s16 = -32769L; /* WARNING */
u16 = INT16_MIN;
u16 = UINT16_MAX;
u16 = 65536L; /* WARNING */
/* sdcc can't hold a number (INT32_MIN - 1) or (INT32_MAX + 1),
there's no 'double' or 'long long' */
s32 = INT32_MIN;
s32 = UINT32_MAX;
u32 = INT32_MIN;
u32 = UINT32_MAX;
}
#endif
#ifdef TEST3
#include <stdbool.h>
void foo(void)
{
#if defined(PORT_HOST)
volatile bool sb, ub;
#else
volatile signed bool sb;
volatile unsigned bool ub;
#endif
sb = -2;
sb = -1;
sb = 0;
sb = 1;
ub = -1;
ub = 0;
ub = 1;
ub = 2;
ASSERT (! (-2 == sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-1 == sb));
ASSERT ( ( 0 == sb));
ASSERT (! ( 1 == sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-2 != sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-1 != sb));
ASSERT ( ( 0 != sb));
ASSERT ( ( 1 != sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-2 < sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-1 < sb));
ASSERT (! ( 0 < sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-1 <= sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( ( 0 <= sb));
ASSERT (! ( 1 <= sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT (! (-1 > sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( ( 0 > sb));
ASSERT ( ( 1 > sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT (! (-2 >= sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-1 >= sb));
ASSERT ( ( 0 >= sb)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT (! (-1 == ub)); /* WARNING(SDCC) */
ASSERT ( ( 0 == ub));
ASSERT ( ( 1 == ub));
ASSERT (! ( 2 == ub)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-1 != ub)); /* WARNING(SDCC) */
ASSERT ( ( 0 != ub));
ASSERT ( ( 1 != ub));
ASSERT ( ( 2 != ub)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( (-1 < ub)); /* WARNING(SDCC) */
ASSERT ( ( 0 < ub));
ASSERT (! ( 1 < ub)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT ( ( 0 <= ub)); /* WARNING(SDCC) */
ASSERT ( ( 1 <= ub));
ASSERT (! ( 2 <= ub)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT (! ( 0 > ub)); /* WARNING(SDCC) */
ASSERT ( ( 1 > ub));
ASSERT ( ( 2 > ub)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
ASSERT (! (-1 >= ub)); /* WARNING(SDCC) */
ASSERT ( ( 0 >= ub));
ASSERT ( ( 1 >= ub)); /* WARNING(SDCC_mcs51|SDCC_ds390) */
}
#endif
#ifdef TEST4
void foo(void)
{
volatile struct {
signed sb1:1;
signed sb3:3;
unsigned ub1:1;
unsigned ub3:3;
} str;
str.sb1 = -2; /* WARNING */
str.sb1 = -1;
str.sb1 = 1;
str.sb1 = 2; /* WARNING */
str.ub1 = -2; /* WARNING */
str.ub1 = -1;
str.ub1 = 1;
str.ub1 = 2; /* WARNING */
str.sb3 = -5; /* WARNING */
str.sb3 = -4;
str.sb3 = 7;
str.sb3 = 8; /* WARNING */
str.ub3 = -5; /* WARNING */
str.ub3 = -4;
str.ub3 = 7;
str.ub3 = 8; /* WARNING */
ASSERT (! (-2 == str.sb1)); /* WARNING */
ASSERT ( (-1 == str.sb1));
ASSERT ( ( 0 == str.sb1));
ASSERT (! ( 1 == str.sb1)); /* WARNING */
ASSERT (! (-1 == str.ub1)); /* WARNING(SDCC) */
ASSERT ( ( 0 == str.ub1));
ASSERT ( ( 1 == str.ub1));
ASSERT (! ( 2 == str.ub1)); /* WARNING(SDCC) */
ASSERT (! (-5 == str.sb3)); /* WARNING */
ASSERT ( (-4 == str.sb3));
ASSERT ( ( 3 == str.sb3));
ASSERT (! ( 4 == str.sb3)); /* WARNING */
ASSERT (! (-1 == str.ub3)); /* WARNING(SDCC) */
ASSERT ( ( 0 == str.ub3));
ASSERT ( ( 7 == str.ub3));
ASSERT (! ( 8 == str.ub3)); /* WARNING(SDCC) */
}
#endif
|
