1 /* { dg-do run { target { ! avr_tiny } } } */
2 /* { dg-options "-std=gnu99 -fwrapv" } */
3
4 #include "fix-types.h"
5
6 extern void abort (void);
7 extern void exit (int);
8
9 typedef unsigned short _Fract fx_t;
10 typedef unsigned short _Sat _Fract satfx_t;
11 typedef unsigned char intfx_t;
12
13 US_LFUN (us_add, +, fx_t, uhr, >)
14 US_LFUN (us_sub, -, fx_t, uhr, <)
15
16 #define VAL(N, X) \
17 __attribute__((noinline,noclone)) \
18 satfx_t us_add2_##N (satfx_t a) \
19 { \
20 return us_add_uhr (a, X##P##-##8uhr); \
21 } \
22 __attribute__((noinline,noclone)) \
23 satfx_t us_add_##N (satfx_t a) \
24 { \
25 return a + X##P##-##8uhr; \
26 } \
27 __attribute__((noinline,noclone)) \
28 satfx_t us_sub2_##N (satfx_t a) \
29 { \
30 return us_sub_uhr (a, X##P##-##8uhr); \
31 } \
32 __attribute__((noinline,noclone)) \
33 satfx_t us_sub_##N (satfx_t a) \
34 { \
35 return a - X##P##-##8uhr; \
36 }
37 #include "vals-uhr.def"
38 #undef VAL
39
40 satfx_t (* __flash const fun[])(satfx_t) =
41 {
42 #define VAL(N, X) \
43 us_add_##N, us_add2_##N, \
44 us_sub_##N, us_sub2_##N,
45 #include "vals-uhr.def"
46 #undef VAL
47 };
48
49
50 const volatile __flash intfx_t vals[] =
51 {
52 0, 1, 2, 0x7f, 0x80, 0x81, 0xff,
53 0x40, 0x3e, 0x3f, 0xbf, 0xc0, 0xc1
54 };
55
56
main(void)57 int main (void)
58 {
59 for (unsigned int i = 0; i < sizeof (vals) / sizeof (*vals); i++)
60 {
61 satfx_t a, f1, f2;
62 intfx_t val = vals[i];
63 __builtin_memcpy (&a, &val, sizeof (satfx_t));
64 for (unsigned int f = 0; f < sizeof (fun) / sizeof (*fun); f += 2)
65 {
66 if (fun[f](a) != fun[f+1](a))
67 abort();
68 }
69 }
70
71 exit (0);
72 return 0;
73 }
74