/* { dg-do run } */ /* { dg-require-effective-target vmx_hw } */ /* { dg-options "-maltivec -O3" } */ /* This test should run the same on any target that supports altivec/dfp instructions. Intentionally not specifying cpu in order to test all code generation paths. */ #include extern void abort (void); #define CONST0 (0) #define CONST1 (1) #define CONST2 (2) #define CONST3 (3) /* Test that indices > length of vector are applied modulo the vector length. */ /* Test for vector residing in register. */ int s3 (vector int v) { return __builtin_vec_ext_v4si (v, 3); } int s1 (vector int v) { return __builtin_vec_ext_v4si (v, 1); } int s21 (vector int v) { return __builtin_vec_ext_v4si (v, 21); } int s30 (vector int v) { return __builtin_vec_ext_v4si (v, 30); } /* Test for vector residing in memory. */ int ms3 (vector int *vp) { return __builtin_vec_ext_v4si (*vp, 3); } int ms1(vector int *vp) { return __builtin_vec_ext_v4si (*vp, 1); } int ms21(vector int *vp) { return __builtin_vec_ext_v4si (*vp, 21); } int ms30(vector int *vp) { return __builtin_vec_ext_v4si (*vp, 30); } /* Test the same with variable indices. */ /* Test for variable selector and vector residing in register. */ __attribute__((noinline)) int ci (vector int v, int i) { return __builtin_vec_ext_v4si (v, i); } /* Test for variable selector and vector residing in memory. */ __attribute__((noinline)) int mci(vector int *vp, int i) { return __builtin_vec_ext_v4si (*vp, i); } int main (int argc, int *argv[]) { vector int sv = { CONST0, CONST1, CONST2, CONST3 }; int s; s = s3 (sv); if (s != CONST3) abort (); s = s1 (sv); if (s != CONST1) abort (); s = s21 (sv); if (s != CONST1) abort (); s = s30 (sv); if (s != CONST2) abort (); s = ms3 (&sv); if (s != CONST3) abort (); s = ms1 (&sv); if (s != CONST1) abort (); s = ms21 (&sv); if (s != CONST1) abort (); s = ms30 (&sv); if (s != CONST2) abort (); s = ci (sv, 5); if (s != CONST1) abort (); s = ci (sv, 2); if (s != CONST2) abort (); s = ci (sv, 15); if (s != CONST3) abort (); s = ci (sv, 28); if (s != CONST0) abort (); s = mci (&sv, 5); if (s != CONST1) abort (); s = mci (&sv, 12); if (s != CONST0) abort (); s = mci (&sv, 25); if (s != CONST1) abort (); s = mci (&sv, 16); if (s != CONST0) abort (); return 0; }