/* { 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) #define CONST4 (4) #define CONST5 (5) #define CONST6 (6) #define CONST7 (7) #define CONST8 (8) #define CONST9 (9) #define CONSTA (10) #define CONSTB (11) #define CONSTC (12) #define CONSTD (13) #define CONSTE (14) #define CONSTF (15) /* Test that indices > length of vector are applied modulo the vector length. */ /* Test for vector residing in register. */ signed char c0 (vector signed char v) { return __builtin_vec_ext_v16qi (v, 0); } signed char c9 (vector signed char v) { return __builtin_vec_ext_v16qi (v, 9); } signed char c21 (vector signed char v) { return __builtin_vec_ext_v16qi (v, 21); } signed char c30 (vector signed char v) { return __builtin_vec_ext_v16qi (v, 30); } /* Test for vector residing in memory. */ signed char mc0 (vector signed char *vp) { return __builtin_vec_ext_v16qi (*vp, 0); } signed char mc9 (vector signed char *vp) { return __builtin_vec_ext_v16qi (*vp, 9); } signed char mc21 (vector signed char *vp) { return __builtin_vec_ext_v16qi (*vp, 21); } signed char mc30 (vector signed char *vp) { return __builtin_vec_ext_v16qi (*vp, 30); } /* Test the same with variable indices. */ /* Test for variable selector and vector residing in register. */ __attribute__((noinline)) signed char ci (vector signed char v, int i) { return __builtin_vec_ext_v16qi (v, i); } /* Test for variable selector and vector residing in memory. */ __attribute__((noinline)) signed char mci(vector signed char *vp, int i) { return __builtin_vec_ext_v16qi (*vp, i); } int main (int argc, char *argv[]) { vector signed char cv = { CONST0, CONST1, CONST2, CONST3, CONST4, CONST5, CONST6, CONST7, CONST8, CONST9, CONSTA, CONSTB, CONSTC, CONSTD, CONSTE, CONSTF }; signed char c; c = c0 (cv); if (c != CONST0) abort (); c = c9 (cv); if (c != CONST9) abort (); c = c21 (cv); if (c != CONST5) abort (); c = c30 (cv); if (c != CONSTE) abort (); c = mc0 (&cv); if (c != CONST0) abort (); c = mc9 (&cv); if (c != CONST9) abort (); c = mc21 (&cv); if (c != CONST5) abort (); c = mc30 (&cv); if (c != CONSTE) abort (); c = ci (cv, 8); if (c != CONST8) abort (); c = ci (cv, 13); if (c != CONSTD) abort (); c = ci (cv, 23); if (c != CONST7) abort (); c = ci (cv, 31); if (c != CONSTF) abort (); c = mci (&cv, 5); if (c != CONST5) abort (); c = mci (&cv, 12); if (c != CONSTC) abort (); c = mci (&cv, 25); if (c != CONST9) abort (); c = mci (&cv, 16); if (c != CONST0) abort (); return 0; }