89 lines
1.5 KiB
C
89 lines
1.5 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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#include <string.h>
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#define NUM 20
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#ifndef MASK
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#define MASK 0x0f
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#endif
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static void
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init_pblendw (short *src1, short *src2)
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{
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int i, sign = 1;
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for (i = 0; i < NUM * 8; 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_pblendw (__m128i *dst, short *src1, short *src2)
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{
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short tmp[8];
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int j;
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memcpy (&tmp[0], src1, sizeof (tmp));
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for (j = 0; j < 8; 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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TEST (void)
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{
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__m128i x, y;
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union
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{
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__m128i x[NUM];
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short s[NUM * 8];
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} dst, src1, src2;
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union
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{
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__m128i x;
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short s[8];
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} src3;
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int i;
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init_pblendw (src1.s, src2.s);
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/* Check pblendw 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_epi16 (src1.x[i], src2.x[i], MASK);
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if (check_pblendw (&dst.x[i], &src1.s[i * 8], &src2.s[i * 8]))
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abort ();
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}
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/* Check pblendw imm8, xmm, xmm */
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src3.x = _mm_setzero_si128 ();
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x = _mm_blend_epi16 (dst.x[2], src3.x, MASK);
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y = _mm_blend_epi16 (src3.x, dst.x[2], MASK);
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if (check_pblendw (&x, &dst.s[16], &src3.s[0]))
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abort ();
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if (check_pblendw (&y, &src3.s[0], &dst.s[16]))
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abort ();
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}
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