| /* { dg-do run } */ |
| /* { dg-require-effective-target p8vector_hw } */ |
| /* { dg-options "-mdejagnu-cpu=power8 -O3" } */ |
| |
| void abort (); |
| |
| #define N 4096 |
| signed char ca[N] __attribute__((aligned(16))); |
| signed char cb[N] __attribute__((aligned(16))); |
| signed char cc[N] __attribute__((aligned(16))); |
| |
| __attribute__((noinline)) void foo () |
| { |
| int i; |
| for (i = 0; i < N; i++) { |
| ca[i] = cb[i] - cc[i]; |
| } |
| } |
| |
| __attribute__((noinline)) void init () |
| { |
| int i, ii; |
| for (i = 0, ii = 0; i < N; ++i, ii = (ii + 1) % 128) { |
| cb[i] = ii - 128; |
| cc[i] = ii/2 - 64; |
| } |
| } |
| |
| int main () |
| { |
| int i, ii; |
| init (); |
| foo (); |
| for (i = 0; i < N; ++i) { |
| ii = i % 128; |
| if (ca[i] != ii - ii/2 - 64) |
| abort (); |
| } |
| return 0; |
| } |