#include <stdio.h>
#include <stdlib.h>
#include <immintrin.h>


#define printv16i(p,v)							\
      {                                                                 \
        __declspec(align(64)) int temp[16];				\
        _mm512_store_si512((__m512i*)(temp), v);                        \
        int z;                                                          \
        printf("%8s:%8s = ",p,#v);					\
        for (z = 15 ; z >= 0 ; z--) printf("%4d ", temp[z]);		\
        printf("\n");                                                   \
      }
#define printv16f(p,v)							\
      {                                                                 \
        __declspec(align(64)) float temp[16];				\
        _mm512_store_ps((__m512*)(temp), v);                        \
        int z;                                                          \
        printf("%8s:%8s = ",p,#v);					\
        for (z = 15 ; z >= 0 ; z--) printf("%3.3f ", temp[z]);		\
        printf("\n");                                                   \
      }

#define printv8i(p,v)							\
      {                                                                 \
        __declspec(align(32)) int temp[8];				\
        _mm256_store_si256((__m256i*)(temp), v);                        \
        int z;                                                          \
        printf("%8s:%8s = ",p,#v);					\
        for (z = 7 ; z >= 0 ; z--) printf("%4d ", temp[z]);		\
        printf("\n");                                                   \
      }
#define printv8f(p,v)							\
      {                                                                 \
        __declspec(align(32)) float temp[8];				\
        _mm256_store_ps(temp, v);				\
        int z;                                                          \
        printf("%8s:%8s = ",p,#v);					\
        for (z = 7 ; z >= 0 ; z--) printf("%3.3f ", temp[z]);		\
        printf("\n");                                                   \
      }

int main(int argc, char **argv) {
  __declspec(align(64)) float data[16];
  __declspec(align(64)) int index[16];
  {
  for (int i = 0 ; i < 8 ; i++) {
    data[i] = (float)i;
    index[i] = 7-i;
  }
  __m256i iv = _mm256_load_si256((__m256i*)index);
    __m256 dv = _mm256_load_ps(data);
    printv8i("iv", iv);
    printv8f("dv", dv);
    __m256 pv = _mm256_permutevar8x32_ps(dv, iv);
    printv8f("pv", pv);
  }
  {
  for (int i = 0 ; i < 16 ; i++) {
    data[i] = (float)i;
    index[i] = 15-i;
  }
  __m512i iv = _mm512_load_si512((__m512i*)index);
    __m512 dv = _mm512_load_ps(data);
    printv16i("iv", iv);
    printv16f("dv", dv);
    __m512 pv = _mm512_permutevar_ps(dv, iv);
    printv16f("pv", pv);
  }


}