| /* { dg-do compile { target le } } */ |
| /* { dg-require-effective-target powerpc_p8vector_ok } */ |
| /* { dg-options "-mdejagnu-cpu=power8 -O3" } */ |
| /* { dg-final { scan-assembler "lxvd2x" } } */ |
| /* { dg-final { scan-assembler "stxvd2x" } } */ |
| /* { dg-final { scan-assembler-not "xxpermdi" } } */ |
| |
| void abort (); |
| |
| #define N 4096 |
| int ca[N] __attribute__((aligned(16))); |
| int cb[N] __attribute__((aligned(16))); |
| int cc[N] __attribute__((aligned(16))); |
| int cd[N] __attribute__((aligned(16))); |
| |
| __attribute__((noinline)) void foo () |
| { |
| int i; |
| for (i = 0; i < N; i++) { |
| ca[i] = ((cb[i] + cc[i]) * cd[i]) >> 3; |
| } |
| } |
| |
| __attribute__((noinline)) void init () |
| { |
| int i; |
| for (i = 0; i < N; ++i) { |
| cb[i] = 3 * i - 2048; |
| cc[i] = -5 * i + 93; |
| cd[i] = i % 2 ? 1 : -1; |
| } |
| } |
| |
| int main () |
| { |
| int i; |
| init (); |
| foo (); |
| for (i = 0; i < N; ++i) |
| if (i % 2 == 1 && ca[i] != (-2 * i - 1955) >> 3) |
| abort (); |
| else if (i % 2 == 0 && ca[i] != (1955 + 2 * i) >> 3) |
| abort (); |
| return 0; |
| } |