/* { dg-do compile } */ #define N 128 short x[N]; short y[N]; void f1 (void) { for (int i = 0; i < N; ++i) x[i] >>= (y[i] & 15); } void f2 (void) { for (int i = 0; i < N; ++i) x[i] >>= ((y[i] & 7) + 8); } void f3 (void) { for (int i = 0; i < N; ++i) x[i] >>= ((y[i] & 7) ^ 11); } void f4 (void) { for (int i = 0; i < N; ++i) x[i] >>= (y[i] < 15 ? y[i] : 15); } void f5 (void) { for (int i = 0; i < N; ++i) x[i] >>= (y[i] < 15 ? y[i] : 1); } void f6 (void) { for (int i = 0; i < N; ++i) x[i] = 32768 >> (y[i] & 15); } /* { dg-final { scan-tree-dump {:11:[^\n]+can narrow to signed:16 without loss [^\n]+>>} "vect" } } */ /* { dg-final { scan-tree-dump {:18:[^\n]+can narrow to signed:16 without loss [^\n]+>>} "vect" } } */ /* { dg-final { scan-tree-dump {:25:[^\n]+can narrow to signed:16 without loss [^\n]+>>} "vect" } } */ /* { dg-final { scan-tree-dump {:32:[^\n]+can narrow to signed:16 without loss [^\n]+>>} "vect" } } */ /* { dg-final { scan-tree-dump {:39:[^\n]+can narrow to signed:16 without loss [^\n]+>>} "vect" } } */ /* { dg-final { scan-tree-dump {can narrow to unsigned:16 without loss [^\n]+>>} "vect" } } */