ARM NEON test 函数

来源：互联网发布：博奥颐和是传销吗知乎编辑：程序博客网时间：2024/06/09 03:16

/*the following is printf something test

*/
#include <stdlib.h>
#include "arm_neon.h"

/***************   float    *****************/
void neon_float32_4(uint32x4_t a)
{
   unsigned int i,j;
   uint32_t *zz=(uint32_t *)malloc(sizeof(uint32_t)*4);
   vst1q_f32(zz,a);
   printf("\nneon float 32x4 :");
   for(i=0;i<4;i++)
   {
       printf(" %f ",*zz);
       zz++;
   }
   printf("\n");
}

// float 32x2
void neon_float32_2(uint32x2_t a)
{
   unsigned int i,j;
   uint32_t *zz=(uint32_t *)malloc(sizeof(uint32_t)*2);
   vst1_f32(zz,a);
   printf("\nneon float 32x2 :");
   for(i=0;i<2;i++)
   {
       printf(" %f ",*zz);
       zz++;
   }
   printf("\n");
}

/*********************************************************
       neon 64 bit
**********************************************************/
/*************** uint         *****************/
//uint 8x8 and 8x16
void neon_uint8(uint8x8_t a)
{
   unsigned int i;
   uint8_t *zz=(uint8_t *)malloc(sizeof(uint8_t)*8);
   vst1(zz,a);
   printf("\n uint 8x8 :\n");
   for(i=0;i<8;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);
}

//uint 16x4
void neon_uint16(uint16x4_t a)
{
   unsigned int i;
   uint16_t *zz=(uint16_t *)malloc(sizeof(uint8_t)*8);
   vst1(zz,a);
   printf("\n uint 16x4 :\n");
   for(i=0;i<8;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);

}

//uint 32x2
void neon_uint32(uint32x2_t a)
{
   unsigned int i;
   uint32x2_t *zz=(uint32_t *)malloc(sizeof(uint32_t)*2);
   vst1(zz,a);
   printf("\n uint 32x2 :\n");
   for(i=0;i<2;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);

}

/*************** int      **************/
//int 8x8
void neon_int8(uint8x8_t a)
{
   unsigned int i;
   int8_t *zz=(int8_t *)malloc(sizeof(int8_t)*8);
   vst1(zz,a);
   printf("\n uint 8x8 :\n");
   for(i=0;i<8;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);
}

//int 16x4
void neon_int16(int16x4_t a)
{
   unsigned int i;
   int16_t *zz=(int16_t *)malloc(sizeof(int8_t)*8);
   vst1(zz,a);
   printf("\n int 16x4 :\n");
   for(i=0;i<8;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);

}

//int 32x2
void neon_int32(int32x2_t a)
{
   unsigned int i;
   int32x2_t *zz=(int32_t *)malloc(sizeof(int32_t)*2);
   vst1(zz,a);
   printf("\n uint 32x2 :\n");
   for(i=0;i<2;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);

}

/****************************************************************
               neon   128 bit
**************************************************************/
// 8x16
void neon_uintq8(uint8x16_t a)
{
   unsigned int i;
   uint8_t *zz=(uint8_t *)malloc(sizeof(uint8_t)*16);
   vst1q(zz,a);
   printf("\n uint 8x16 :\n");
   for(i=0;i<16;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);
}

//uint 16x8
void neon_uint16(uint16x4_t a)
{
   unsigned int i;
   uint16_t *zz=(uint16_t *)malloc(sizeof(uint8_t)*8);
   vst1(zz,a);
   printf("\n uint 16x4 :\n");
   for(i=0;i<8;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);

}

//uint 32x4
void neon_uint32(uint32x2_t a)
{
   unsigned int i;
   uint32x2_t *zz=(uint32_t *)malloc(sizeof(uint32_t)*2);
   vst1(zz,a);
   printf("\n uint 32x2 :\n");
   for(i=0;i<2;i++)
   {
       printf(" %d ",*zz);
       zz++;
   }
   printf(\n);

}