/* { dg-require-effective-target vect_int } */ #include #include "tree-vect.h" #define N 200 void __attribute__((noinline)) foo (unsigned char *__restrict__ pInput, unsigned char *__restrict__ pOutput) { unsigned char i, a, b, c; for (i = 0; i < N / 3; i++) { a = *pInput++; b = *pInput++; c = *pInput++; *pOutput++ = a + b + c + 3; *pOutput++ = a + b + c + 12; *pOutput++ = a + b + c + 1; } } int main (int argc, const char* argv[]) { unsigned char input[N], output[N], i; unsigned char check_results[N]; check_vect (); for (i = 0; i < N; i++) { input[i] = i; output[i] = 0; __asm__ volatile (""); } for (i = 0; i < N / 3; i++) { check_results[3*i] = 9 * i + 6; check_results[3*i+1] = 9 * i + 15; check_results[3*i+2] = 9 * i + 4; } foo (input, output); for (i = 0; i < N - (N % 3); i++) if (output[i] != check_results[i]) abort (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target { vect_perm_byte && vect_char_mult } } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_perm_byte && {! vect_char_mult } } } } } */ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target vect_perm_byte } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */