Viewing file: sse4_1-blendvps.c (1.2 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* { dg-do run } */ /* { dg-require-effective-target p8vector_hw } */ /* { dg-options "-O2 -mpower8-vector -Wno-psabi" } */
#include "sse4_1-check.h"
#include <smmintrin.h> #include <string.h>
#define NUM 20
static void init_blendvps (float *src1, float *src2, float *mask) { int i, msk, sign = 1;
msk = -1; for (i = 0; i < NUM * 4; i++) { if((i % 4) == 0) msk++; src1[i] = i* (i + 1) * sign; src2[i] = (i + 20) * sign; mask[i] = (i + 120) * i; if( (msk & (1 << (i % 4)))) mask[i] = -mask[i]; sign = -sign; } }
static int check_blendvps (__m128 *dst, float *src1, float *src2, float *mask) { float tmp[4]; int j;
memcpy (&tmp[0], src1, sizeof (tmp)); for (j = 0; j < 4; j++) if (mask [j] < 0.0) tmp[j] = src2[j];
return memcmp (dst, &tmp[0], sizeof (tmp)); }
static void sse4_1_test (void) { union { __m128 x[NUM]; float f[NUM * 4]; } dst, src1, src2, mask; int i;
init_blendvps (src1.f, src2.f, mask.f);
for (i = 0; i < NUM; i++) { dst.x[i] = _mm_blendv_ps (src1.x[i], src2.x[i], mask.x[i]); if (check_blendvps (&dst.x[i], &src1.f[i * 4], &src2.f[i * 4], &mask.f[i * 4])) abort (); } }
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