i have uploaded the project called parallel prefix adders.it contains three sub_parts.




File list:
ipcore_dir
iseconfig
........\kogeestone.xreport
........\Kogge_Stone.xreport
........\prefixadders.projectmgr
........\Spanning_Tree.xreport
........\Sparse_Kogge.xreport
isim
...\Kogge_Stone_isim_beh.exe.sim
...\............................\tmp_save
...\............................\........\_1
...\............................\work
...\............................\....\Kogge_Stone_isim_beh.exe_main.c
...\............................\....\Kogge_Stone_isim_beh.exe_main.nt.obj
...\............................\....\m_00000000000073335279_1217392350.c
...\............................\....\m_00000000000073335279_1217392350.didat
...\............................\....\m_00000000000073335279_1217392350.nt.obj
...\............................\....\m_00000000001458124528_0773654414.c
...\............................\....\m_00000000001458124528_0773654414.didat
...\............................\....\m_00000000001458124528_0773654414.nt.obj
...\............................\....\m_00000000003897793154_2994787261.c
...\............................\....\m_00000000003897793154_2994787261.didat
...\............................\....\m_00000000003897793154_2994787261.nt.obj
...\............................\....\m_00000000004093713498_2073120511.c
...\............................\....\m_00000000004093713498_2073120511.didat
...\............................\....\m_00000000004093713498_2073120511.nt.obj
...\............................\isimcrash.log
...\............................\ISimEngine-DesignHierarchy.dbg
...\............................\isimkernel.log
...\............................\Kogge_Stone_isim_beh.exe
...\............................\netId.dat
...\tbbkogge_isim_beh.exe.sim
...\.........................\tmp_save
...\.........................\........\_1
...\.........................\work
...\.........................\....\m_00000000000073335279_1217392350.c
...\.........................\....\m_00000000000073335279_1217392350.didat
...\.........................\....\m_00000000000073335279_1217392350.nt.obj
...\.........................\....\m_00000000001458124528_0773654414.c
...\.........................\....\m_00000000001458124528_0773654414.didat
...\.........................\....\m_00000000001458124528_0773654414.nt.obj
...\.........................\....\m_00000000002692777243_1974559577.c
...\.........................\....\m_00000000002692777243_1974559577.didat
...\.........................\....\m_00000000002692777243_1974559577.nt.obj
...\.........................\....\m_00000000003897793154_2994787261.c
...\.........................\....\m_00000000003897793154_2994787261.didat
...\.........................\....\m_00000000003897793154_2994787261.nt.obj
...\.........................\....\m_00000000004093713498_2073120511.c
...\.........................\....\m_00000000004093713498_2073120511.didat
...\.........................\....\m_00000000004093713498_2073120511.nt.obj
...\.........................\....\tbbkogge_isim_beh.exe_main.c
...\.........................\....\tbbkogge_isim_beh.exe_main.nt.obj
...\.........................\isimcrash.log
...\.........................\ISimEngine-DesignHierarchy.dbg
...\.........................\isimkernel.log
...\.........................\netId.dat
...\.........................\tbbkogge_isim_beh.exe
...\tbbspanning_isim_beh.exe.sim
...\............................\tmp_save
...\............................\........\_1
...\............................\work
...\............................\....\m_00000000000073335279_1217392350.c
...\............................\....\m_00000000000073335279_1217392350.didat
...\............................\....\m_00000000000073335279_1217392350.nt.obj
...\............................\....\m_00000000000240420983_2418300950.c
...\............................\....\m_00000000000240420983_2418300950.didat
...\............................\....\m_00000000000240420983_2418300950.nt.obj
...\............................\....\m_00000000000432728118_2824694276.c
...\............................\....\m_00000000000432728118_2824694276.didat
...\............................\....\m_00000000000432728118_2824694276.nt.obj
...\............................\....\m_00000000000750118404_1427589788.c
...\............................\....\m_00000000000750118404_1427589788.didat
...\............................\....\m_00000000000750118404_1427589788.nt.obj
...\............................\....\m_00000000002737428971_3190593924.c
...\............................\....\m_00000000002737428971_3190593924.didat
...\............................\....\m_00000000002737428971_3190593924.nt.obj
...\............................\....\m_00000000004093713498_2073120511.c
...\............................\....\m_00000000004093713498_2073120511.didat
...\............................\....\m_00000000004093713498_2073120511.nt.obj
...\............................\....\tbbspanning_isim_beh.exe_main.c
...\............................\....\tbbspanning_isim_beh.exe_main.nt.obj
...\............................\isimcrash.log
...\............................\ISimEngine-DesignHierarchy.dbg
...\............................\isimkernel.log
...\............................\netId.dat
...\............................\tbbspanning_isim_beh.exe
...\tbbsparse_isim_beh.exe.sim
...\..........................\tmp_save
...\..........................\........\_1
...\..........................\work
...\..........................\....\m_00000000000073335279_1217392350.c
...\..........................\....\m_00000000000073335279_1217392350.didat
...\..........................\....\m_00000000000073335279_1217392350.nt.obj
...\..........................\....\m_00000000000432728118_2824694276.c
...\..........................\....\m_00000000000432728118_2824694276.didat
...\..........................\....\m_00000000000432728118_2824694276.nt.obj
...\..........................\....\m_00000000001078626754_0374002322.c
...\..........................\....\m_00000000001078626754_0374002322.didat
...\..........................\....\m_00000000001078626754_0374002322.nt.obj
...\..........................\....\m_00000000001257554853_1085171615.c
...\..........................\....\m_00000000001257554853_1085171615.didat
...\..........................\....\m_00000000001257554853_1085171615.nt.obj
...\..........................\....\m_00000000002737428971_3190593924.c
...\..........................\....\m_00000000002737428971_3190593924.didat
...\..........................\....\m_00000000002737428971_3190593924.nt.obj
...\..........................\....\m_00000000004093713498_2073120511.c
...\..........................\....\m_00000000004093713498_2073120511.didat
...\..........................\....\m_00000000004093713498_2073120511.nt.obj
...\..........................\....\tbbsparse_isim_beh.exe_main.c
...\..........................\....\tbbsparse_isim_beh.exe_main.nt.obj
...\..........................\isimcrash.log
...\..........................\ISimEngine-DesignHierarchy.dbg
...\..........................\isimkernel.log
...\..........................\netId.dat
...\..........................\tbbsparse_isim_beh.exe
...\temp
...\....\@kogge_@stone.sdb
...\....\@spanning_@tree.sdb
...\....\@sparse_@kogge.sdb
...\....\cc.sdb
...\....\full_adder.sdb
...\....\glbl.sdb
...\....\gn.sdb
...\....\gp.sdb
...\....\tbbkogge.sdb
...\....\tbbspanning.sdb
...\....\tbbsparse.sdb
...\work
...\....\@sparse_@kogge.sdb
...\....\cc.sdb
...\....\full_adder.sdb
...\....\glbl.sdb
...\....\gp.sdb
...\....\tbbsparse.sdb
...\isim_usage_statistics.html
...\pn_info
xst
..\dump.xst
..\........\Kogge_Stone.prj
..\........\...............\ngx
..\........\...............\...\notopt
..\........\...............\...\opt
..\........\Spanning_Tree.prj
..\........\.................\ngx
..\........\.................\...\notopt
..\........\.................\...\opt
..\........\Sparse_Kogge.prj
..\........\................\ngx
..\........\................\...\notopt
..\........\................\...\opt
..\projnav.tmp
..\work
..\....\vlg41
..\....\.....\_kogge___stone.bin
..\....\vlg42
..\....\.....\_sparse___kogge.bin
..\....\vlg52
..\....\.....\cc.bin
..\....\vlg5A
..\....\.....\full__adder.bin
..\....\vlg71
..\....\.....\gn.bin
..\....\vlg73
..\....\.....\gp.bin
..\....\vlg79
..\....\.....\_spanning___tree.bin
..\....\hdllib.ref
_xmsgs
.....\pn_parser.xmsgs
.....\xst.xmsgs
.lso
cc.v
Design and Characterization of Parallel Prefix Adders using FPGAs.pdf
full_adder.v
fuse.log
fuse.xmsgs
fuseRelaunch.cmd
gen_pro.v
gn.v
gp.v
isim.cmd
isim.log
kogeestone.v
kogeestone_summary.html
Kogge_Stone.cmd_log
Kogge_Stone.lso
Kogge_Stone.ngc
Kogge_Stone.ngr
Kogge_Stone.prj
Kogge_Stone.stx
Kogge_Stone.syr
Kogge_Stone.xst
Kogge_Stone_envsettings.html
Kogge_Stone_isim_beh.exe
Kogge_Stone_stx_beh.prj
Kogge_Stone_summary.html
Kogge_Stone_xst.xrpt
prefixadders.gise
prefixadders.xise
Spanning_Tree.cmd_log
Spanning_Tree.lso
Spanning_Tree.ngc
Spanning_Tree.ngr
Spanning_Tree.prj
Spanning_Tree.stx
Spanning_Tree.syr
Spanning_Tree.xst
Spanning_Tree_envsettings.html
Spanning_Tree_summary.html
Spanning_Tree_xst.xrpt
span_tree.v
Sparse_Kogge.cmd_log
Sparse_Kogge.lso
Sparse_Kogge.ngc
Sparse_Kogge.ngr
Sparse_Kogge.prj
Sparse_Kogge.stx
Sparse_Kogge.syr
sparse_kogge.v
Sparse_Kogge.xst
Sparse_Kogge_envsettings.html
Sparse_Kogge_summary.html
Sparse_Kogge_xst.xrpt
tbbkogge.v
tbbkogge_isim_beh.exe
tbbkogge_stx_beh.prj
tbbspanning.v
tbbspanning_isim_beh.exe
tbbspanning_stx_beh.prj
tbbsparse.v
tbbsparse_beh.prj
tbbsparse_isim_beh.exe
tbbsparse_isim_beh.wdb
tbbsparse_stx_beh.prj
webtalk_pn.xml
xilinxsim.ini