114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
/* { dg-do run { target int128 } } */
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/* { dg-require-effective-target vsx_hw } */
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/* { dg-options "-mvsx" } */
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/* This test should run the same on any target that supports vsx
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instructions. Intentionally not specifying cpu in order to test
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all code generation paths. */
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#include <altivec.h>
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extern void abort (void);
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#define CONST0 (3.1415926539)
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#define CONST1 (3.1415926539 * 2)
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/* Test that indices > length of vector are applied modulo the vector
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length. */
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/* Test for vector residing in register. */
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double e0(vector double v){ return __builtin_vec_ext_v2df (v, 0); }
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double e1(vector double v){ return __builtin_vec_ext_v2df (v, 1); }
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double e2(vector double v){ return __builtin_vec_ext_v2df (v, 2); }
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double e3(vector double v){ return __builtin_vec_ext_v2df (v, 3); }
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/* Test for vector residing in memory. */
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double me0(vector double *vp){ return __builtin_vec_ext_v2df (*vp, 0); }
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double me1(vector double *vp){ return __builtin_vec_ext_v2df (*vp, 1); }
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double me2(vector double *vp){ return __builtin_vec_ext_v2df (*vp, 2); }
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double me3(vector double *vp){ return __builtin_vec_ext_v2df (*vp, 3); }
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/* Test the same with variable indices. */
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/* Test for variable selector and vector residing in register. */
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__attribute__((noinline))
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double ei(vector double v, int i){ return __builtin_vec_ext_v2df (v, i); }
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/* Test for variable selector and vector residing in memory. */
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double mei(vector double *vp, int i){ return __builtin_vec_ext_v2df (*vp, i); }
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int main (int argc, char *argv[]) {
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vector double dv;
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double d;
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dv[0] = CONST0;
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dv[1] = CONST1;
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d = e0 (dv);
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if (d != CONST0)
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abort ();
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d = e1 (dv);
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if (d != CONST1)
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abort ();
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d = e2 (dv);
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if (d != CONST0)
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abort ();
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d = e3 (dv);
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if (d != CONST1)
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abort ();
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d = me0 (&dv);
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if (d != CONST0)
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abort ();
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d = me1 (&dv);
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if (d != CONST1)
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abort ();
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d = me2 (&dv);
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if (d != CONST0)
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abort ();
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d = me3 (&dv);
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if (d != CONST1)
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abort ();
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d = ei (dv, 0);
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if (d != CONST0)
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abort ();
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d = ei (dv, 1);
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if (d != CONST1)
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abort ();
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d = ei (dv, 2);
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if (d != CONST0)
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abort ();
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d = ei (dv, 3);
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if (d != CONST1)
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abort ();
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d = mei (&dv, 0);
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if (d != CONST0)
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abort ();
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d = mei (&dv, 1);
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if (d != CONST1)
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abort ();
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d = mei (&dv, 2);
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if (d != CONST0)
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abort ();
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d = mei (&dv, 3);
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if (d != CONST1)
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abort ();
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return 0;
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}
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