Clock Modeling: Made repeatx and repeaty optional for clock networks arch

Author: mustafabbas

libs/libarchfpga/src/read_xml_arch_file.cpp

@@ -3403,8 +3403,21 @@ static void ProcessClockNetworks(
             std::string starty (get_attribute(curr_type, "starty", loc_data).value());
             std::string endy (get_attribute(curr_type, "endy", loc_data).value());
             std::string x (get_attribute(curr_type, "x", loc_data).value());
-            std::string repeatx (get_attribute(curr_type, "repeatx", loc_data).value());
-            std::string repeaty (get_attribute(curr_type, "repeaty", loc_data).value());
+
+            std::string repeatx;
+            auto repeatx_attr = get_attribute(curr_type, "repeatx", loc_data, ReqOpt::OPTIONAL);
+            if (repeatx_attr) {
+                repeatx = repeatx_attr.value();
+            } else {
+                repeatx = "W";
+            }
+            std::string repeaty;
+            auto repeaty_attr = get_attribute(curr_type, "repeaty", loc_data, ReqOpt::OPTIONAL);
+            if (repeaty_attr) {
+                repeaty = repeaty_attr.value();
+            } else {
+                repeaty = "H";
+            }
 
             clock_network.metal_layer = metal_layer;
             clock_network.wire.start = starty;
@@ -3429,8 +3442,21 @@ static void ProcessClockNetworks(
             std::string startx (get_attribute(curr_type, "startx", loc_data).value());
             std::string endx (get_attribute(curr_type, "endx", loc_data).value());
             std::string y (get_attribute(curr_type, "y", loc_data).value());
-            std::string repeatx (get_attribute(curr_type, "repeatx", loc_data).value());
-            std::string repeaty (get_attribute(curr_type, "repeaty", loc_data).value());
+
+            std::string repeatx;
+            auto repeatx_attr = get_attribute(curr_type, "repeatx", loc_data, ReqOpt::OPTIONAL);
+            if (repeatx_attr) {
+                repeatx = repeatx_attr.value();
+            } else {
+                repeatx = "W";
+            }
+            std::string repeaty;
+            auto repeaty_attr = get_attribute(curr_type, "repeaty", loc_data, ReqOpt::OPTIONAL);
+            if (repeaty_attr) {
+                repeaty = repeaty_attr.value();
+            } else {
+                repeaty = "H";
+            }
 
             clock_network.metal_layer = metal_layer;
             clock_network.wire.start = startx;

vtr_flow/arch/timing/k6_frac_N10_frac_chain_mem32K_htree0_40nm.xml

@@ -1519,15 +1519,15 @@
 
         <clock_network name="spine1" num_inst="2">
             <!-- Full Device: Center Spine -->
-            <spine metal_layer="global_spine" x="W/2" starty="0" endy="H" repeatx="W" repeaty="H">
+            <spine metal_layer="global_spine" x="W/2" starty="0" endy="H">
                 <switch_point type="drive" name="drive" yoffset="H/2" switch_name="drive_buff"/>
                 <switch_point type="tap" name="tap" yoffset="0" yincr="1"/>
             </spine>
         </clock_network>
 
         <clock_network name="rib1" num_inst="2">
         <!-- Full Device: Each Grid Row -->
-            <rib metal_layer="global_rib" y="0" startx="0" endx="W" repeatx="W" repeaty="1">
+            <rib metal_layer="global_rib" y="0" startx="0" endx="W" repeaty="1">
                 <switch_point type="drive" name="drive" xoffset="W/2" switch_name="drive_buff"/>
                 <switch_point type="tap" name="tap" xoffset="0" xincr="1"/>
             </rib>

vtr_flow/arch/timing/k6_frac_N10_frac_chain_mem32K_htree0_routedCLK_40nm.xml

@@ -1511,15 +1511,15 @@
 
         <clock_network name="spine1" num_inst="2">
             <!-- Full Device: Center Spine -->
-            <spine metal_layer="global_spine" x="W/2" starty="0" endy="H" repeatx="W" repeaty="H">
+            <spine metal_layer="global_spine" x="W/2" starty="0" endy="H">
                 <switch_point type="drive" name="drive" yoffset="H/2" switch_name="drive_buff"/>
                 <switch_point type="tap" name="tap" yoffset="0" yincr="1"/>
             </spine>
         </clock_network>
 
         <clock_network name="rib1" num_inst="2">
         <!-- Full Device: Each Grid Row -->
-            <rib metal_layer="global_rib" y="0" startx="0" endx="W" repeatx="W" repeaty="1">
+            <rib metal_layer="global_rib" y="0" startx="0" endx="W" repeaty="1">
                 <switch_point type="drive" name="drive" xoffset="W/2" switch_name="drive_buff"/>
                 <switch_point type="tap" name="tap" xoffset="0" xincr="1"/>
             </rib>