ifp: Fix gap on the right of the power domain.

We want at least power_domain_y_space * site_dy. The ceil function should be used instead of the implicit floor one.
Also make odb::makeSiteLoc take care of the that (currently it's noop as the input is already snapped to site width).

Signed-off-by: Christian COSTA <[email protected]>

Author: titan73

src/ifp/src/InitFloorplan.cc

@@ -552,11 +552,7 @@ void InitFloorplan::updateVoltageDomain(const int core_lx,
           }
 
           // rcr stands for right core row
-          // rcr_dx_site_number is the max number of site_dx that is less than
-          // power_domain_y_space * site_dy. This helps align the rcr_x_min on
-          // the multiple of site_dx.
-          int rcr_dx_site_number = (power_domain_y_space * site_dy) / site_dx;
-          int rcr_x_min = domain_x_max + rcr_dx_site_number * site_dx;
+          int rcr_x_min = domain_x_max + power_domain_y_space * site_dy;
           // snap to the site grid rightward
           rcr_x_min = odb::makeSiteLoc(rcr_x_min, site_dx, false, 0);