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fix a bug in wired LUT support

This commit is contained in:
tangxifan 2018-11-30 21:33:31 -07:00
parent 4f5f8de46f
commit 70751551b5
1 changed files with 21 additions and 19 deletions
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40
vpr7_x2p/vpr/SRC/fpga_spice/base/fpga_spice_utils.c
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@ -5853,36 +5853,38 @@ int get_pb_graph_node_wired_lut_logical_block_index(t_pb_graph_node* cur_pb_grap
int temp_rr_node_index;
int lut_output_vpack_net_num = OPEN;
num_used_lut_input_pins = 0;
/* Find the used input pin of this LUT and rr_node in the graph */
for (iport = 0; iport < cur_pb_graph_node->num_input_ports; iport++) {
for (ipin = 0; ipin < cur_pb_graph_node->num_input_pins[iport]; ipin++) {
temp_rr_node_index = cur_pb_graph_node->input_pins[iport][ipin].pin_count_in_cluster;
if (OPEN != op_pb_rr_graph[temp_rr_node_index].vpack_net_num) {
num_used_lut_input_pins++;
lut_output_vpack_net_num = op_pb_rr_graph[temp_rr_node_index].vpack_net_num;
}
}
}
/* Make sure we only have 1 used input pin */
assert ((1 == num_used_lut_input_pins)
&& (OPEN != lut_output_vpack_net_num));
/* vpr_printf(TIO_MESSAGE_INFO, "Wired LUT output vpack_net_num is %d\n", lut_output_vpack_net_num); */
/* Find the used output*/
num_used_lut_output_pins = 0;
/* Find the used output pin of this LUT and rr_node in the graph */
for (iport = 0; iport < cur_pb_graph_node->num_output_ports; iport++) {
for (ipin = 0; ipin < cur_pb_graph_node->num_output_pins[iport]; ipin++) {
temp_rr_node_index = cur_pb_graph_node->output_pins[iport][ipin].pin_count_in_cluster;
if (lut_output_vpack_net_num == op_pb_rr_graph[temp_rr_node_index].vpack_net_num) { /* TODO: Shit... I do not why the vpack_net_num is not synchronized to the net_num !!! */
if (OPEN != op_pb_rr_graph[temp_rr_node_index].vpack_net_num) { /* TODO: Shit... I do not why the vpack_net_num is not synchronized to the net_num !!! */
num_used_lut_output_pins++;
lut_output_vpack_net_num = op_pb_rr_graph[temp_rr_node_index].vpack_net_num;
}
}
}
/* Make sure we only have 1 used output pin */
/* vpr_printf(TIO_MESSAGE_INFO, "Wired LUT num_used_lut_output_pins is %d\n", num_used_lut_output_pins); */
assert (1 == num_used_lut_output_pins);
assert ((1 == num_used_lut_output_pins)
&& (OPEN != lut_output_vpack_net_num));
num_used_lut_input_pins = 0;
/* Find the used input pin of this LUT and rr_node in the graph */
for (iport = 0; iport < cur_pb_graph_node->num_input_ports; iport++) {
for (ipin = 0; ipin < cur_pb_graph_node->num_input_pins[iport]; ipin++) {
temp_rr_node_index = cur_pb_graph_node->input_pins[iport][ipin].pin_count_in_cluster;
if (lut_output_vpack_net_num == op_pb_rr_graph[temp_rr_node_index].vpack_net_num) {
num_used_lut_input_pins++;
}
}
}
/* Make sure we only have 1 used input pin */
assert (1 == num_used_lut_input_pins);
/* vpr_printf(TIO_MESSAGE_INFO, "Wired LUT output vpack_net_num is %d\n", lut_output_vpack_net_num); */
/* Find the used output*/
/* The logical block is the driver for this vpack_net( node_block[0] )*/
wired_lut_lb_index = vpack_net[lut_output_vpack_net_num].node_block[0];