| /* { dg-do run { target avx_runtime } } */ |
| /* { dg-require-effective-target avx } */ |
| /* { dg-options "-O3 -mavx -fdump-tree-slp2" } */ |
| |
| float x[8], y[8], z[8]; |
| void __attribute__((noipa)) foo () |
| { |
| x[0] = y[0] - z[0]; |
| x[1] = y[1] + z[1]; |
| x[2] = y[2] - z[2]; |
| x[3] = y[3] + z[3]; |
| x[4] = y[4] - z[4]; |
| x[5] = y[5] + z[5]; |
| x[6] = y[6] - z[6]; |
| x[7] = y[7] + z[7]; |
| } |
| void __attribute__((noipa)) bar () |
| { |
| x[0] = y[0] + z[0]; |
| x[1] = y[1] - z[1]; |
| x[2] = y[2] + z[2]; |
| x[3] = y[3] - z[3]; |
| x[4] = y[4] + z[4]; |
| x[5] = y[5] - z[5]; |
| x[6] = y[6] + z[6]; |
| x[7] = y[7] - z[7]; |
| } |
| int main() |
| { |
| for (int i = 0; i < 8; ++i) |
| { |
| y[i] = i + 1; |
| z[i] = 2 * i + 1; |
| } |
| foo (); |
| if (x[0] != 0 || x[1] != 5 || x[2] != -2 || x[3] != 11 |
| || x[4] != -4 || x[5] != 17 || x[6] != -6 || x[7] != 23) |
| __builtin_abort (); |
| bar (); |
| if (x[0] != 2 || x[1] != -1 || x[2] != 8 || x[3] != -3 |
| || x[4] != 14 || x[5] != -5 || x[6] != 20 || x[7] != -7) |
| __builtin_abort (); |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "ADDSUB" 1 "slp2" } } */ |
