Description
Warning: Cannot apply array stencil optimization to variable
in loop because the accesses are not read-only in the loop.
Explanation
Stencil optimization cannot be applied to ports that both read and write data. To enable optimization, modify the port to be read-only.
DTYPE temp, mul;
stencil_label1:for (r=0; r<row_size-2; r++) {
stencil_label2:for (c=0; c<col_size-2; c++) {
#pragma HLS pipeline II=1
#pragma HLS array_stencil variable=O
temp = (DTYPE)0;
stencil_label3:for (k1=0;k1<3;k1++){
stencil_label4:for (k2=0;k2<3;k2++){
mul = F_buf[k1][k2] * O[r+k1][c+k2];
temp += mul;
}
}
O[r][c] = temp;
*(S + (r*col_size) + c) = temp;
}
}
}