/* { dg-do run } */ /* { dg-require-effective-target vmx_hw } */ /* { dg-options "-maltivec" } */ /* 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 ((float) (3.1415926539)) #define CONST1 ((float) (3.1415926539 * 2)) #define CONST2 ((float) (3.1415926539 * 3)) #define CONST3 ((float) (3.1415926539 * 4)) /* Test that indices > length of vector are applied modulo the vector length. */ /* Test for vector residing in register. */ float e0(vector float v){ return __builtin_vec_ext_v4sf (v, 0); } float e1(vector float v){ return __builtin_vec_ext_v4sf (v, 1); } float e7(vector float v){ return __builtin_vec_ext_v4sf (v, 7); } float e8(vector float v){ return __builtin_vec_ext_v4sf (v, 8); } /* Test for vector residing in memory. */ float me0(vector float *vp){ return __builtin_vec_ext_v4sf (*vp, 0); } float me1(vector float *vp){ return __builtin_vec_ext_v4sf (*vp, 1); } float me13(vector float *vp) { return __builtin_vec_ext_v4sf (*vp, 13); } float me15(vector float *vp) { return __builtin_vec_ext_v4sf (*vp, 15); } /* Test the same with variable indices. */ /* Test for variable selector and vector residing in register. */ __attribute__((noinline)) float ei(vector float v, int i) { return __builtin_vec_ext_v4sf (v, i); } /* Test for variable selector and vector residing in memory. */ float mei(vector float *vp, int i) { return __builtin_vec_ext_v4sf (*vp, i); } int main (int argc, char *argv[]) { vector float dv = { CONST0, CONST1, CONST2, CONST3 }; float d; d = e0 (dv); if (d != CONST0) abort (); d = e1 (dv); if (d != CONST1) abort (); d = e7 (dv); if (d != CONST3) abort (); d = e8 (dv); if (d != CONST0) abort (); d = me0 (&dv); if (d != CONST0) abort (); d = me1 (&dv); if (d != CONST1) abort (); d = me13 (&dv); if (d != CONST1) abort (); d = me15 (&dv); if (d != CONST3) abort (); d = ei (dv, 0); if (d != CONST0) abort (); d = ei (dv, 2); if (d != CONST2) abort (); d = ei (dv, 11); if (d != CONST3) abort (); d = ei (dv, 17); if (d != CONST1) abort (); d = mei (&dv, 0); if (d != CONST0) abort (); d = mei (&dv, 1); if (d != CONST1) abort (); d = mei (&dv, 15); if (d != CONST3) abort (); d = mei (&dv, 6); if (d != CONST2) abort (); return 0; }