xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.arch/vsx-regs.c (revision a5a4af3bd380a7b58b758d9b311cef9f7c34aeb4)
1 #include <altivec.h>
2 #include <stdio.h>
3 
4 vector unsigned int
vector_fun(vector unsigned int a,vector unsigned int b)5 vector_fun (vector unsigned int a, vector unsigned int b)
6 {
7   vector unsigned int c;
8   a = ((vector unsigned int) vec_splat_u8(2));
9   b = ((vector unsigned int) vec_splat_u8(3));
10 
11   c = vec_add (a, b);
12   return c;
13 }
14 
15 int
main()16 main ()
17 {
18   vector unsigned int y;
19   vector unsigned int x;
20   vector unsigned int z;
21   int a;
22 
23   /* This line may look unnecessary but we do need it, because we want to
24      have a line to do a next over (so that gdb refetches the registers)
25      and we don't want the code to change any vector registers.
26      The splat operations below modify the VRs,i
27      so we don't want to execute them yet.  */
28   a = 9;
29   x = ((vector unsigned int) vec_splat_u8 (-2));
30   y = ((vector unsigned int) vec_splat_u8 (1));
31 
32   z = vector_fun (x, y);
33   x = vec_sld (x,y,2);
34 
35   x = vec_add (x, ((vector unsigned int){5,6,7,8}));
36   z = (vector unsigned int) vec_splat_u8 ( -2);
37   y = vec_add (x, z);
38   z = (vector unsigned int) vec_cmpeq (x,y);
39 
40   return 0;
41 }
42