File: pr115843.c

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gcc-arm-none-eabi 15%3A14.2.rel1-1
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/* { dg-additional-options "-mavx512f --param vect-partial-vector-usage=2" { target avx512f_runtime } } */

#include "tree-vect.h"

typedef __UINT64_TYPE__ BITBOARD;
BITBOARD KingPressureMask1[64], KingSafetyMask1[64];

void __attribute__((noinline))
foo()
{
  for (int i = 0; i < 64; i++)
    {
      if ((i & 7) == 0)
	KingPressureMask1[i] = KingSafetyMask1[i + 1];
      else if ((i & 7) == 7)
	KingPressureMask1[i] = KingSafetyMask1[i - 1];
      else
	KingPressureMask1[i] = KingSafetyMask1[i];
    }
}

BITBOARD verify[64]
  = {1, 1, 2, 3, 4, 5, 6, 6, 9, 9, 10, 11, 12, 13, 14, 14, 17, 17, 18, 19,
    20, 21, 22, 22, 25, 25, 26, 27, 28, 29, 30, 30, 33, 33, 34, 35, 36, 37, 38,
    38, 41, 41, 42, 43, 44, 45, 46, 46, 49, 49, 50, 51, 52, 53, 54, 54, 57, 57,
    58, 59, 60, 61, 62, 62};

int main()
{
  check_vect ();

#pragma GCC novector
  for (int i = 0; i < 64; ++i)
    KingSafetyMask1[i] = i;
  foo ();
#pragma GCC novector
  for (int i = 0; i < 64; ++i)
    if (KingPressureMask1[i] != verify[i])
      __builtin_abort ();
  return 0;
}