78 lines
1.4 KiB
C
78 lines
1.4 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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#include <smmintrin.h>
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#include <string.h>
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#define NUM 20
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#undef MASK
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#define MASK 0xe
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static void
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init_blendps (float *src1, float *src2)
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{
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int i, sign = 1;
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for (i = 0; i < NUM * 4; i++)
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{
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src1[i] = i * i * sign;
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src2[i] = (i + 20) * sign;
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sign = -sign;
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}
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}
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static int
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check_blendps (__m128 *dst, float *src1, float *src2)
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{
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float tmp[4];
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int j;
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memcpy (&tmp[0], src1, sizeof (tmp));
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for (j = 0; j < 4; j++)
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if ((MASK & (1 << j)))
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tmp[j] = src2[j];
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return memcmp (dst, &tmp[0], sizeof (tmp));
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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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__m128 x, y;
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union
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{
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__m128 x[NUM];
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float f[NUM * 4];
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} dst, src1, src2;
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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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} src3;
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int i;
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init_blendps (src1.f, src2.f);
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/* Check blendps imm8, m128, xmm */
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for (i = 0; i < NUM; i++)
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{
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dst.x[i] = _mm_blend_ps (src1.x[i], src2.x[i], MASK);
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if (check_blendps (&dst.x[i], &src1.f[i * 4], &src2.f[i * 4]))
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abort ();
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}
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/* Check blendps imm8, xmm, xmm */
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x = _mm_blend_ps (dst.x[2], src3.x, MASK);
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y = _mm_blend_ps (src3.x, dst.x[2], MASK);
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if (check_blendps (&x, &dst.f[8], &src3.f[0]))
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abort ();
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if (check_blendps (&y, &src3.f[0], &dst.f[8]))
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abort ();
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}
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