1 /* { dg-do compile { target { powerpc64le-*-* } } } */
2 /* { dg-options "-mdejagnu-cpu=power8 -O3" } */
3 /* { dg-final { scan-assembler "lxvd2x" } } */
4 /* { dg-final { scan-assembler "stxvd2x" } } */
5 /* { dg-final { scan-assembler-not "xxpermdi" } } */
6
7 #include "altivec.h"
8 void abort ();
9
10 #define N 4096
11 int ca[N] __attribute__((aligned(16)));
12 int cb[N] __attribute__((aligned(16)));
13 int cc[N] __attribute__((aligned(16)));
14 int cd[N] __attribute__((aligned(16)));
15 int hey;
16
foo()17 __attribute__((noinline)) void foo ()
18 {
19 int i;
20 vector int va, vb, vc, vd, tmp;
21 vector unsigned int threes = vec_splat_u32(3);
22 for (i = 0; i < N; i+=4) {
23 vb = vec_vsx_ld (0, &cb[i]);
24 vc = vec_vsx_ld (0, &cc[i]);
25 vd = vec_vsx_ld (0, &cd[i]);
26 tmp = vec_add (vb, vc);
27 tmp = vec_sub (tmp, vd);
28 tmp = vec_sra (tmp, threes);
29 hey = tmp[3];
30 vec_vsx_st (tmp, 0, &ca[i]);
31 }
32 }
33
init()34 __attribute__((noinline)) void init ()
35 {
36 int i;
37 for (i = 0; i < N; ++i) {
38 cb[i] = 3 * i - 2048;
39 cc[i] = -5 * i + 93;
40 cd[i] = i + 14;
41 }
42 }
43
main()44 int main ()
45 {
46 int i;
47 init ();
48 foo ();
49 for (i = 0; i < N; ++i)
50 if (ca[i] != (-3 * i - 1969) >> 3)
51 abort ();
52 if (hey != ca[N-1])
53 abort ();
54 return 0;
55 }
56