127 lines
2.5 KiB
C
127 lines
2.5 KiB
C
/* { dg-do run } */
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/* { dg-require-effective-target vmx_hw } */
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/* { dg-options "-maltivec" } */
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/* This test should run the same on any target that supports altivec/dfp
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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 ((float) (3.1415926539))
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#define CONST1 ((float) (3.1415926539 * 2))
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#define CONST2 ((float) (3.1415926539 * 3))
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#define CONST3 ((float) (3.1415926539 * 4))
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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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float e0(vector float v){ return __builtin_vec_ext_v4sf (v, 0); }
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float e1(vector float v){ return __builtin_vec_ext_v4sf (v, 1); }
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float e7(vector float v){ return __builtin_vec_ext_v4sf (v, 7); }
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float e8(vector float v){ return __builtin_vec_ext_v4sf (v, 8); }
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/* Test for vector residing in memory. */
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float me0(vector float *vp){ return __builtin_vec_ext_v4sf (*vp, 0); }
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float me1(vector float *vp){ return __builtin_vec_ext_v4sf (*vp, 1); }
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float me13(vector float *vp)
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{
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return __builtin_vec_ext_v4sf (*vp, 13);
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}
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float me15(vector float *vp)
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{
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return __builtin_vec_ext_v4sf (*vp, 15);
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}
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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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float ei(vector float v, int i)
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{
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return __builtin_vec_ext_v4sf (v, i);
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}
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/* Test for variable selector and vector residing in memory. */
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float mei(vector float *vp, int i)
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{
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return __builtin_vec_ext_v4sf (*vp, i);
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}
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int main (int argc, char *argv[]) {
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vector float dv = { CONST0, CONST1, CONST2, CONST3 };
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float d;
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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 = e7 (dv);
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if (d != CONST3)
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abort ();
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d = e8 (dv);
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if (d != CONST0)
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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 = me13 (&dv);
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if (d != CONST1)
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abort ();
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d = me15 (&dv);
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if (d != CONST3)
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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, 2);
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if (d != CONST2)
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abort ();
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d = ei (dv, 11);
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if (d != CONST3)
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abort ();
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d = ei (dv, 17);
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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, 15);
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if (d != CONST3)
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abort ();
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d = mei (&dv, 6);
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if (d != CONST2)
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abort ();
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return 0;
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}
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