The A2O core was a follow-on to A2I, written in Verilog, and supported a lower thread count than A2I, but higher performance per thread, using out-of-order execution (register renaming, reservation stations, completion buffer) and a store queue
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# ip creator
set project a2o_dbug ;# also top
set keep 0 ;# keep project
set xdc "" ;# set to xdc file if exists
set synth_check 1
set vhdl2008 1
proc create_ip {project {keep_project 0} {synth_check 1} {xdc ""} {vhdl2008 1}} {
set vhdl_dir [file normalize ./vhdl]
set output_dir .
set project_dir ./prj
create_project -force $project $project_dir -part xcvu3p-ffvc1517-2-e
add_files -norecurse $vhdl_dir
set_property library work [get_files $vhdl_dir/*]
if {$vhdl2008} {
set_property FILE_TYPE {VHDL 2008} [get_files $vhdl_dir/*]
update_compile_order -fileset sources_1
set_property top $project [current_fileset]
set_property target_language VHDL [current_project]
set_property default_lib work [current_project]
set_property top $project [get_filesets sim_1]
set_property -name {xsim.compile.xvhdl.nosort} -value {false} -objects [get_filesets sim_1]
set_property -name {xsim.compile.xvlog.nosort} -value {false} -objects [get_filesets sim_1]
set_property simulator_language VHDL [current_project]
if {$xdc != ""} {
set xdc_dir [file normalize ./xdc]
read_xdc $xdc_dir/$xdc
update_compile_order -fileset sources_1
if {$synth_check} {
synth_design -rtl -name elab_for_sanity_check
ipx::package_project -root_dir $output_dir/$project -vendor -library user -taxonomy /UserIP -import_files -set_current false
ipx::unload_core $output_dir/$project/component.xml
ipx::edit_ip_in_project -upgrade true -name ${project}_edit_project -directory $output_dir/$project $output_dir/$project/component.xml
update_compile_order -fileset sources_1
set_property core_revision 2 [ipx::current_core]
ipx::update_source_project_archive -component [ipx::current_core]
ipx::create_xgui_files [ipx::current_core]
ipx::update_checksums [ipx::current_core]
ipx::save_core [ipx::current_core]
ipx::move_temp_component_back -component [ipx::current_core]
if {$keep_project} {
puts "Project built; project dir saved: [file normalize $output_dir/$project_dir]"
} else {
close_project -delete
exec rm -rf $output_dir/$project_dir
puts "Project built; only IP files kept."
create_ip $project $keep $synth_check $xdc $vhdl2008