Exemplos de vld1q_lane_u32 em C++ (Cpp)

Exemplo n.º 1

Arquivo: vld1Q_laneu32.c Projeto: 0day-ci/gcc

void test_vld1Q_laneu32 (void)
{
  uint32x4_t out_uint32x4_t;
  uint32x4_t arg1_uint32x4_t;

  out_uint32x4_t = vld1q_lane_u32 (0, arg1_uint32x4_t, 1);
}

Exemplo n.º 2

Arquivo: palette_neon_intrinsics.c Projeto: Haxonek/beaglebone-opencv-9.5-unofficial

/* Expands a palettized row into RGBA. */
int
png_do_expand_palette_neon_rgba(png_structrp png_ptr, png_row_infop row_info,
    png_const_bytep row, png_bytepp ssp, png_bytepp ddp)
{
   png_uint_32 row_width = row_info->width;
   const png_uint_32 *riffled_palette =
      (const png_uint_32 *)png_ptr->riffled_palette;
   const png_int_32 pixels_per_chunk = 4;
   int i;

   if (row_width < pixels_per_chunk)
      return 0;

   /* This function originally gets the last byte of the output row.
    * The NEON part writes forward from a given position, so we have
    * to seek this back by 4 pixels x 4 bytes.
    */
   *ddp = *ddp - ((pixels_per_chunk * sizeof(png_uint_32)) - 1);

   for (i = 0; i < row_width; i += pixels_per_chunk)
   {
      uint32x4_t cur;
      png_bytep sp = *ssp - i, dp = *ddp - (i << 2);
      cur = vld1q_dup_u32 (riffled_palette + *(sp - 3));
      cur = vld1q_lane_u32(riffled_palette + *(sp - 2), cur, 1);
      cur = vld1q_lane_u32(riffled_palette + *(sp - 1), cur, 2);
      cur = vld1q_lane_u32(riffled_palette + *(sp - 0), cur, 3);
      vst1q_u32((void *)dp, cur);
   }
   if (i != row_width)
   {
      /* Remove the amount that wasn't processed. */
      i -= pixels_per_chunk;
   }

   /* Decrement output pointers. */
   *ssp = *ssp - i;
   *ddp = *ddp - (i << 2);
   return i;
}