150 lines
2.4 KiB
C
150 lines
2.4 KiB
C
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/* { 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 (0)
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#define CONST1 (1)
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#define CONST2 (2)
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#define CONST3 (3)
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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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int s3 (vector int v)
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{
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return __builtin_vec_ext_v4si (v, 3);
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}
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int s1 (vector int v)
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{
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return __builtin_vec_ext_v4si (v, 1);
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}
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int s21 (vector int v)
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{
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return __builtin_vec_ext_v4si (v, 21);
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}
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int s30 (vector int v)
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{
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return __builtin_vec_ext_v4si (v, 30);
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}
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/* Test for vector residing in memory. */
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int ms3 (vector int *vp)
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{
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return __builtin_vec_ext_v4si (*vp, 3);
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}
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int ms1(vector int *vp)
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{
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return __builtin_vec_ext_v4si (*vp, 1);
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}
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int ms21(vector int *vp)
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{
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return __builtin_vec_ext_v4si (*vp, 21);
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}
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int ms30(vector int *vp)
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{
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return __builtin_vec_ext_v4si (*vp, 30);
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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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int ci (vector int v, int i)
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{
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return __builtin_vec_ext_v4si (v, i);
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}
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/* Test for variable selector and vector residing in memory. */
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__attribute__((noinline))
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int mci(vector int *vp, int i)
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{
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return __builtin_vec_ext_v4si (*vp, i);
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}
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int main (int argc, int *argv[]) {
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vector int sv = { CONST0, CONST1, CONST2, CONST3 };
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int s;
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s = s3 (sv);
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if (s != CONST3)
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abort ();
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s = s1 (sv);
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if (s != CONST1)
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abort ();
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s = s21 (sv);
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if (s != CONST1)
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abort ();
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s = s30 (sv);
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if (s != CONST2)
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abort ();
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s = ms3 (&sv);
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if (s != CONST3)
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abort ();
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s = ms1 (&sv);
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if (s != CONST1)
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abort ();
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s = ms21 (&sv);
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if (s != CONST1)
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abort ();
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s = ms30 (&sv);
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if (s != CONST2)
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abort ();
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s = ci (sv, 5);
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if (s != CONST1)
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abort ();
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s = ci (sv, 2);
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if (s != CONST2)
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abort ();
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s = ci (sv, 15);
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if (s != CONST3)
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abort ();
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s = ci (sv, 28);
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if (s != CONST0)
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abort ();
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s = mci (&sv, 5);
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if (s != CONST1)
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abort ();
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s = mci (&sv, 12);
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if (s != CONST0)
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abort ();
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s = mci (&sv, 25);
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if (s != CONST1)
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abort ();
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s = mci (&sv, 16);
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if (s != CONST0)
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abort ();
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return 0;
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}
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