gcc/testsuite/gcc.c-torture/execute/pr42833.c

typedef __INT_LEAST8_TYPE__ int8_t;
typedef __UINT_LEAST32_TYPE__ uint32_t;
typedef int ssize_t;
typedef struct { int8_t v1; int8_t v2; int8_t v3; int8_t v4; } neon_s8;

uint32_t helper_neon_rshl_s8 (uint32_t arg1, uint32_t arg2);

uint32_t
helper_neon_rshl_s8 (uint32_t arg1, uint32_t arg2)
{
  uint32_t res;
  neon_s8 vsrc1;
  neon_s8 vsrc2;
  neon_s8 vdest;
  do
    {
      union
      {
	neon_s8 v;
	uint32_t i;
      } conv_u;
      conv_u.i = (arg1);
      vsrc1 = conv_u.v;
    }
  while (0);
  do
    {
      union
      {
	neon_s8 v;
	uint32_t i;
      } conv_u;
      conv_u.i = (arg2);
      vsrc2 = conv_u.v;
    }
  while (0);
  do
    {
      int8_t tmp;
      tmp = (int8_t) vsrc2.v1;
      if (tmp >= (ssize_t) sizeof (vsrc1.v1) * 8)
	{
	  vdest.v1 = 0;
	}
      else if (tmp < -(ssize_t) sizeof (vsrc1.v1) * 8)
	{
	  vdest.v1 = vsrc1.v1 >> (sizeof (vsrc1.v1) * 8 - 1);
	}
      else if (tmp == -(ssize_t) sizeof (vsrc1.v1) * 8)
	{
	  vdest.v1 = vsrc1.v1 >> (tmp - 1);
	  vdest.v1++;
	  vdest.v1 >>= 1;
	}
      else if (tmp < 0)
	{
	  vdest.v1 = (vsrc1.v1 + (1 << (-1 - tmp))) >> -tmp;
	}
      else
	{
	  vdest.v1 = vsrc1.v1 << tmp;
	}
    }
  while (0);
  do
    {
      int8_t tmp;
      tmp = (int8_t) vsrc2.v2;
      if (tmp >= (ssize_t) sizeof (vsrc1.v2) * 8)
	{
	  vdest.v2 = 0;
	}
      else if (tmp < -(ssize_t) sizeof (vsrc1.v2) * 8)
	{
	  vdest.v2 = vsrc1.v2 >> (sizeof (vsrc1.v2) * 8 - 1);
	}
      else if (tmp == -(ssize_t) sizeof (vsrc1.v2) * 8)
	{
	  vdest.v2 = vsrc1.v2 >> (tmp - 1);
	  vdest.v2++;
	  vdest.v2 >>= 1;
	}
      else if (tmp < 0)
	{
	  vdest.v2 = (vsrc1.v2 + (1 << (-1 - tmp))) >> -tmp;
	}
      else
	{
	  vdest.v2 = vsrc1.v2 << tmp;
	}
    }
  while (0);
  do
    {
      int8_t tmp;
      tmp = (int8_t) vsrc2.v3;
      if (tmp >= (ssize_t) sizeof (vsrc1.v3) * 8)
	{
	  vdest.v3 = 0;
	}
      else if (tmp < -(ssize_t) sizeof (vsrc1.v3) * 8)
	{
	  vdest.v3 = vsrc1.v3 >> (sizeof (vsrc1.v3) * 8 - 1);
	}
      else if (tmp == -(ssize_t) sizeof (vsrc1.v3) * 8)
	{
	  vdest.v3 = vsrc1.v3 >> (tmp - 1);
	  vdest.v3++;
	  vdest.v3 >>= 1;
	}
      else if (tmp < 0)
	{
	  vdest.v3 = (vsrc1.v3 + (1 << (-1 - tmp))) >> -tmp;
	}
      else
	{
	  vdest.v3 = vsrc1.v3 << tmp;
	}
    }
  while (0);
  do
    {
      int8_t tmp;
      tmp = (int8_t) vsrc2.v4;
      if (tmp >= (ssize_t) sizeof (vsrc1.v4) * 8)
	{
	  vdest.v4 = 0;
	}
      else if (tmp < -(ssize_t) sizeof (vsrc1.v4) * 8)
	{
	  vdest.v4 = vsrc1.v4 >> (sizeof (vsrc1.v4) * 8 - 1);
	}
      else if (tmp == -(ssize_t) sizeof (vsrc1.v4) * 8)
	{
	  vdest.v4 = vsrc1.v4 >> (tmp - 1);
	  vdest.v4++;
	  vdest.v4 >>= 1;
	}
      else if (tmp < 0)
	{
	  vdest.v4 = (vsrc1.v4 + (1 << (-1 - tmp))) >> -tmp;
	}
      else
	{
	  vdest.v4 = vsrc1.v4 << tmp;
	}
    }
  while (0);;
  do
    {
      union
      {
	neon_s8 v;
	uint32_t i;
      } conv_u;
      conv_u.v = (vdest);
      res = conv_u.i;
    }
  while (0);
  return res;
}

extern void abort(void);

int main()
{
  uint32_t r = helper_neon_rshl_s8 (0x05050505, 0x01010101);
  if (r != 0x0a0a0a0a)
    abort ();
  return 0;
}