58 lines
1.0 KiB
C
58 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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#ifndef CHECK_H
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#define CHECK_H "sse4_1-check.h"
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#endif
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#ifndef TEST
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#define TEST sse4_1_test
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#endif
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#include CHECK_H
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#include <smmintrin.h>
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#define NUM 64
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static void
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TEST (void)
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{
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union
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{
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__m128i x[NUM/8];
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unsigned short s[NUM];
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} src;
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unsigned short minVal[NUM/8];
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int minInd[NUM/8];
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unsigned short minValScalar, minIndScalar;
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int i, j, res;
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for (i = 0; i < NUM; i++)
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src.s[i] = i * i / (i + i / 3.14 + 1.0);
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for (i = 0, j = 0; i < NUM; i += 8, j++)
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{
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res = _mm_cvtsi128_si32 (_mm_minpos_epu16 (src.x [i/8]));
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minVal[j] = res & 0xffff;
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minInd[j] = (res >> 16) & 0x3;
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}
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for (i = 0; i < NUM; i += 8)
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{
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minValScalar = src.s[i];
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minIndScalar = 0;
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for (j = i + 1; j < i + 8; j++)
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if (minValScalar > src.s[j])
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{
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minValScalar = src.s[j];
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minIndScalar = j - i;
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}
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if (minValScalar != minVal[i/8] && minIndScalar != minInd[i/8])
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abort ();
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}
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}
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