| /* { dg-do compile } */ |
| /* { dg-require-effective-target powerpc_p9vector_ok } */ |
| /* { dg-options "-mdejagnu-cpu=power9 -O3" } */ |
| /* { dg-final { scan-assembler "lxvx" } } */ |
| /* { dg-final { scan-assembler "stxvx" } } */ |
| /* { dg-final { scan-assembler-not "lxvd2x" } } */ |
| /* { dg-final { scan-assembler-not "stxvd2x" } } */ |
| /* { dg-final { scan-assembler-not "xxpermdi" } } */ |
| |
| /* Verify P9 vector loads and stores are used rather than the |
| load-swap/swap-store workarounds for P8. */ |
| #define N 16 |
| |
| signed char ca[N] __attribute__((aligned(16))); |
| signed char cb[] __attribute__((aligned(16))) |
| = {8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7}; |
| signed char cc[] __attribute__((aligned(16))) |
| = {1, 1, 2, 2, 3, 3, 2, 2, 1, 1, 0, 0, -1, -1, -2, -2}; |
| |
| __attribute__((noinline)) void foo () |
| { |
| int i; |
| for (i = 0; i < N; i++) { |
| ca[i] = cb[i] - cc[i]; |
| } |
| } |