| Line 51... |
Line 51... |
OP1out : in std_logic_vector(31 downto 0);
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OP1out : in std_logic_vector(31 downto 0);
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OP2out : in std_logic_vector(31 downto 0);
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OP2out : in std_logic_vector(31 downto 0);
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reg_QA : in std_logic_vector(31 downto 0);
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reg_QA : in std_logic_vector(31 downto 0);
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reg_QB : in std_logic_vector(31 downto 0);
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reg_QB : in std_logic_vector(31 downto 0);
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opcode : in std_logic_vector(15 downto 0);
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opcode : in std_logic_vector(15 downto 0);
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-- datatype : in std_logic_vector(1 downto 0);
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exe_opcode : in std_logic_vector(15 downto 0);
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exe_opcode : in std_logic_vector(15 downto 0);
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exe_datatype : in std_logic_vector(1 downto 0);
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exe_datatype : in std_logic_vector(1 downto 0);
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sndOPC : in std_logic_vector(15 downto 0);
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sndOPC : in std_logic_vector(15 downto 0);
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last_data_read : in std_logic_vector(15 downto 0);
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last_data_read : in std_logic_vector(15 downto 0);
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data_read : in std_logic_vector(15 downto 0);
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data_read : in std_logic_vector(15 downto 0);
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| Line 451... |
Line 450... |
bf_exts <= '0';
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bf_exts <= '0';
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bf_fffo <= '0';
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bf_fffo <= '0';
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bf_d32 <= '0';
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bf_d32 <= '0';
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bf_s32 <= '0';
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bf_s32 <= '0';
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-- 000-bftst, 001-bfextu, 010-bfchg, 011-bfexts, 100-bfclr, 101-bfff0, 110-bfset, 111-bfins
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-- 000-bftst, 001-bfextu, 010-bfchg, 011-bfexts, 100-bfclr, 101-bfff0, 110-bfset, 111-bfins
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IF opcode(5 downto 4) ="00" THEN
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bf_s32 <= '1';
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END IF;
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CASE opcode(10 downto 8) IS
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CASE opcode(10 downto 8) IS
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WHEN "010" => bf_bchg <= '1'; --BFCHG
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WHEN "010" => bf_bchg <= '1'; --BFCHG
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WHEN "011" => bf_exts <= '1'; --BFEXTS
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WHEN "011" => bf_exts <= '1'; --BFEXTS
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-- WHEN "100" => insert <= (OTHERS =>'0'); --BFCLR
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-- WHEN "100" => insert <= (OTHERS =>'0'); --BFCLR
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WHEN "101" => bf_fffo <= '1'; --BFFFO
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WHEN "101" => bf_fffo <= '1'; --BFFFO
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WHEN "110" => bf_bset <= '1'; --BFSET
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WHEN "110" => bf_bset <= '1'; --BFSET
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WHEN "111" => bf_ins <= '1'; --BFINS
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WHEN "111" => bf_ins <= '1'; --BFINS
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bf_s32 <= '1';
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bf_s32 <= '1';
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WHEN OTHERS => NULL;
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WHEN OTHERS => NULL;
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END CASE;
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END CASE;
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-- IF
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-- bf_ins <= '1';
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-- END IF;
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IF opcode(4 downto 3)="00" THEN
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IF opcode(4 downto 3)="00" THEN
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bf_d32 <= '1';
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bf_d32 <= '1';
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END IF;
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END IF;
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bf_ext_out <= result(39 downto 32);
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bf_ext_out <= result(39 downto 32);
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END IF;
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END IF;
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