library IEEE; 
use IEEE.STD_LOGIC_1164.all; 
use IEEE.NUMERIC_STD.all; 
use WORK.OSSS_PKG.all; 

entity gcd is 
  port ( 
    clk : in BOOLEAN ; 
    reset : in BOOLEAN ; 
    go_i : in BOOLEAN ; 
    x_i : in UNSIGNED ( 31 downto 0 ) ; 
    y_i : in UNSIGNED ( 31 downto 0 ) ; 
    done_o : out BOOLEAN ; 
    r_o : out UNSIGNED ( 31 downto 0 ) 
  ) ; 
end entity gcd ; 

architecture BEHAVIOUR of gcd is 
  signal run_state : UNSIGNED ( 2 downto 0 ) ; 
  
  

begin 
  
  
  run : process ( clk ) 
  
  constant FOSSY_const_0_150137 : UNSIGNED ( 2 downto 0 ) := UNSIGNED' ( "000" ) ; 
  constant FOSSY_const_1_150147 : UNSIGNED ( 2 downto 0 ) := UNSIGNED' ( "001" ) ; 
  constant FOSSY_const_2_150138 : UNSIGNED ( 2 downto 0 ) := UNSIGNED' ( "010" ) ; 
  constant FOSSY_const_3_150139 : UNSIGNED ( 2 downto 0 ) := UNSIGNED' ( "011" ) ; 
  constant FOSSY_const_4_150140 : UNSIGNED ( 2 downto 0 ) := UNSIGNED' ( "100" ) ; 
  constant FOSSY_const_5_150141 : UNSIGNED ( 2 downto 0 ) := UNSIGNED' ( "101" ) ; 
  variable x_150111 : UNSIGNED ( 31 downto 0 ) ; 
  variable y_150125 : UNSIGNED ( 31 downto 0 ) ; 
  variable FOSSY_temp_tmpForSwitch_150128 : UNSIGNED ( 2 downto 0 ) ; 
  variable FOSSY_temp_flatten_expr_150129 : SIGNED ( 33 downto 0 ) ; 
  variable FOSSY_temp_flatten_expr_150130 : STD_LOGIC_VECTOR ( 31  downto 0 ) ; 
  variable FOSSY_temp_flatten_expr_150131 : SIGNED ( 33 downto 0 ) ; 
  variable FOSSY_temp_flatten_expr_150132 : STD_LOGIC_VECTOR ( 31  downto 0 ) ; 
  variable FOSSY_temp_flatten_expr_150133 : SIGNED ( 33 downto 0 ) ; 
  variable FOSSY_temp_flatten_expr_150134 : STD_LOGIC_VECTOR ( 31  downto 0 ) ; 
  variable FOSSY_temp_flatten_expr_150135 : SIGNED ( 33 downto 0 ) ; 
  variable FOSSY_temp_flatten_expr_150136 : STD_LOGIC_VECTOR ( 31  downto 0 ) ; 
  begin 
    if ( clk ' event AND clk = TRUE ) then if FOSSY_EQ_B1_B1 ( reset , TRUE ) then 
      
        run_state <= FOSSY_const_0_150137 ; 
        run_state <= FOSSY_const_2_150138 ; 
      
    else 
      
        
          FOSSY_temp_tmpForSwitch_150128 := ( run_state ) ; 
        
        case TO_INTEGER ( FOSSY_temp_tmpForSwitch_150128 ) is 
          when 1 => 
          
            if FOSSY_LOG_AND_B1_B1 ( go_i , FOSSY_NEQ_U32_U32 ( x_150111 , y_150125 ) ) then 
              
                if FOSSY_GT_U32_U32 ( x_150111 , y_150125 ) then 
                  
                    
                      FOSSY_temp_flatten_expr_150129 := ( FOSSY_SUB_U32_U32 ( x_150111 , y_150125 ) ) ; 
                      FOSSY_temp_flatten_expr_150130 := ( FOSSY_RANGE_S34_32 ( FOSSY_temp_flatten_expr_150129 , 31 ) ) ; 
                      x_150111 := ( UNSIGNED ( ( SIGNED ( FOSSY_temp_flatten_expr_150130 ) ) ) ) ; 
                    
                  
                else 
                  
                    
                      FOSSY_temp_flatten_expr_150131 := ( FOSSY_SUB_U32_U32 ( y_150125 , x_150111 ) ) ; 
                      FOSSY_temp_flatten_expr_150132 := ( FOSSY_RANGE_S34_32 ( FOSSY_temp_flatten_expr_150131 , 31 ) ) ; 
                      y_150125 := ( UNSIGNED ( ( SIGNED ( FOSSY_temp_flatten_expr_150132 ) ) ) ) ; 
                    
                  
                end if; 
                run_state <= FOSSY_const_3_150139 ; 
              
            else 
              
                if go_i then 
                  
                    r_o <= x_150111 ; 
                    done_o <= TRUE ; 
                  
                else 
                  
                end if; 
                run_state <= FOSSY_const_4_150140 ; 
              
            end if; 
          
          when 2 => 
          
            run_state <= FOSSY_const_5_150141 ; 
          
          when 3 => 
          
            if FOSSY_LOG_AND_B1_B1 ( go_i , FOSSY_NEQ_U32_U32 ( x_150111 , y_150125 ) ) then 
              
                if FOSSY_GT_U32_U32 ( x_150111 , y_150125 ) then 
                  
                    
                      FOSSY_temp_flatten_expr_150133 := ( FOSSY_SUB_U32_U32 ( x_150111 , y_150125 ) ) ; 
                      FOSSY_temp_flatten_expr_150134 := ( FOSSY_RANGE_S34_32 ( FOSSY_temp_flatten_expr_150133 , 31 ) ) ; 
                      x_150111 := ( UNSIGNED ( ( SIGNED ( FOSSY_temp_flatten_expr_150134 ) ) ) ) ; 
                    
                  
                else 
                  
                    
                      FOSSY_temp_flatten_expr_150135 := ( FOSSY_SUB_U32_U32 ( y_150125 , x_150111 ) ) ; 
                      FOSSY_temp_flatten_expr_150136 := ( FOSSY_RANGE_S34_32 ( FOSSY_temp_flatten_expr_150135 , 31 ) ) ; 
                      y_150125 := ( UNSIGNED ( ( SIGNED ( FOSSY_temp_flatten_expr_150136 ) ) ) ) ; 
                    
                  
                end if; 
                run_state <= FOSSY_const_3_150139 ; 
              
            else 
              
                if go_i then 
                  
                    r_o <= x_150111 ; 
                    done_o <= TRUE ; 
                  
                else 
                  
                end if; 
                run_state <= FOSSY_const_4_150140 ; 
              
            end if; 
          
          when 4 => 
          
            if go_i then 
              run_state <= FOSSY_const_4_150140 ; 
            else 
              
                done_o <= FALSE ; 
                run_state <= FOSSY_const_5_150141 ; 
              
            end if; 
          
          when 5 => 
          
            if not ( go_i ) then 
              run_state <= FOSSY_const_5_150141 ; 
            else 
              
                
                  x_150111 := ( x_i ) ; 
                
                
                  y_150125 := ( y_i ) ; 
                
                run_state <= FOSSY_const_1_150147 ; 
              
            end if; 
          
          when others => 
          
            NULL ; 
          
          
        end case; 
      
    end if; end if; 
  end process run ; 
end architecture BEHAVIOUR;