Add comments

amin1377 · amin1377 · commit dfbb2362a68b · 2022-08-28T18:48:58.000-04:00
diff --git a/vpr/src/route/rr_graph.cpp b/vpr/src/route/rr_graph.cpp
@@ -2962,7 +2962,11 @@ static int get_opin_direct_connections(RRGraphBuilder& rr_graph_builder,
                             }
                         }
 
+                        //directs[i].sub_tile_offset is added to from_capacity(z) to get the
+                        // target_capacity
                         int target_cap = z + directs[i].sub_tile_offset;
+
+                        // Iterate over all sub_tiles to get the sub_tile which the target_cap belongs to.
                         const t_sub_tile* target_sub_tile = nullptr;
                         for (const auto& sub_tile : target_type->sub_tiles) {
                             if (sub_tile.capacity.is_in_range(target_cap)) {

Original file line number	Diff line number	Diff line change
`@@ -2962,7 +2962,11 @@ static int get_opin_direct_connections(RRGraphBuilder& rr_graph_builder,`
`2962`	`2962`	`}`
`2963`	`2963`	`}`
`2964`	`2964`
	`2965`	`+ //directs[i].sub_tile_offset is added to from_capacity(z) to get the`
	`2966`	`+ // target_capacity`
`2965`	`2967`	`int target_cap = z + directs[i].sub_tile_offset;`
	`2968`	`+`
	`2969`	`+ // Iterate over all sub_tiles to get the sub_tile which the target_cap belongs to.`
`2966`	`2970`	`const t_sub_tile* target_sub_tile = nullptr;`
`2967`	`2971`	`for (const auto& sub_tile : target_type->sub_tiles) {`
`2968`	`2972`	`if (sub_tile.capacity.is_in_range(target_cap)) {`