68 lines
1.0 KiB
C
68 lines
1.0 KiB
C
/* { dg-do run } */
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/* { dg-require-effective-target sse4 } */
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/* { dg-options "-O2 -msse4.1" } */
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#include "sse4_1-check.h"
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#ifdef DEBUG
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#include <stdio.h>
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#endif
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#include <emmintrin.h>
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static void
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__attribute__((noinline))
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check (__m128 x, float *v, int j)
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{
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union
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{
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__m128 x;
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float f[4];
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} u;
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unsigned int i;
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u.x = x;
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for (i = 0; i < sizeof (v) / sizeof (v[0]); i++)
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if (i == j)
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{
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if (v[i] != u.f[i])
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{
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#ifdef DEBUG
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printf ("%i: %f != %f\n", i, v[i], u.f[i]);
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#endif
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abort ();
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}
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}
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else if (u.f[i] != 0)
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{
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#ifdef DEBUG
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printf ("%i: %f != 0\n", i, u.f[i]);
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#endif
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abort ();
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}
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}
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static void
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__attribute__((noinline))
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test (float *v)
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{
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__m128 x;
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x = _mm_set_ps (0, 0, 0, v[0]);
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check (x, v, 0);
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x = _mm_set_ps (0, 0, v[1], 0);
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check (x, v, 1);
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x = _mm_set_ps (0, v[2], 0, 0);
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check (x, v, 2);
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x = _mm_set_ps (v[3], 0, 0, 0);
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check (x, v, 3);
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}
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static void
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sse4_1_test (void)
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{
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float v[4] = { -3, 2, 1, 9 };
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test (v);
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}
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