1 #include <stdio.h>
2 #include "../../../none/tests/s390x/opcodes.h"
main()3 int main()
4 {
5 int field1, field2;
6 int result;
7
8 /*
9 * gcc does some tricks for checking the highest bit. It seems
10 * to load a full word/double word.
11 * By using mask=10 for brc (jhe) only the msb is influencing
12 * the code flow. This test was inspired by 308427
13 */
14 asm volatile( "oi %1,128\n\t"
15 "la 1,%1\n\t"
16 LTG(0,0,1,000,00)
17 "jhe 1f\n\t"
18 "lghi %0,0\n\t"
19 "j 2f\n\t"
20 "1:lghi %0,1\n\t"
21 "2:\n\t"
22 :"=d" (result)
23 :"Q" (field1)
24 :"0","cc");
25
26 if (result)
27 printf("Error\n");
28
29 asm volatile( "oi %1,128\n\t"
30 "la 1,%1\n\t"
31 LT(0,0,1,000,00)
32 "jhe 1f\n\t"
33 "lghi %0,0\n\t"
34 "j 2f\n\t"
35 "1:lghi %0,1\n\t"
36 "2:\n\t"
37 :"=d" (result)
38 :"Q" (field2)
39 :"0","cc");
40
41 if (result)
42 printf("Error\n");
43
44 asm volatile( "oi %1,128\n\t"
45 "la 1,%1\n\t"
46 LTG(0,0,1,000,00)
47 "jl 1f\n\t"
48 "lghi %0,1\n\t"
49 "j 2f\n\t"
50 "1:lghi %0,0\n\t"
51 "2:\n\t"
52 :"=d" (result)
53 :"Q" (field1)
54 :"0","cc");
55
56 if (result)
57 printf("Error\n");
58
59 asm volatile( "oi %1,128\n\t"
60 "la 1,%1\n\t"
61 LT(0,0,1,000,00)
62 "jl 1f\n\t"
63 "lghi %0,1\n\t"
64 "j 2f\n\t"
65 "1:lghi %0,0\n\t"
66 "2:\n\t"
67 :"=d" (result)
68 :"Q" (field2)
69 :"0","cc");
70
71 if (result)
72 printf("Error\n");
73
74 return 0;
75 }
76