rtw_rec_nxt.reg1_addr <= instr_spl.reg_src1_addr;
rtw_rec_nxt.reg2_addr <= instr_spl.reg_src2_addr;
- if (instr_spl.op_detail(IMM_OPT) = '1') then
+ if (instr_spl.op_detail(IMM_OPT) = '1') then -- or instr_spl.op_group = LDST_OP
rtw_rec_nxt.immediate <= instr_spl.immediate;
rtw_rec_nxt.imm_set <= '1';
end if;
-- async process: calculates branch prediction
-br_pred: process(instr_spl, prog_cnt)
+br_pred: process(instr_spl, prog_cnt, reset)
begin
branch_prediction_bit <= '0';
if ((instr_spl.opcode = "10110" or instr_spl.opcode = "10111") and instr_spl.bp = '1') then
- branch_prediction_res <= std_logic_vector(unsigned(instr_spl.immediate) + unsigned(prog_cnt)); --both 32 bit
+ if instr_spl.int = '0' then
+ branch_prediction_res <= std_logic_vector(unsigned(instr_spl.immediate) + unsigned(prog_cnt)); --both 32 bit
+ else
+ branch_prediction_res <= instr_spl.immediate;
+ end if;
branch_prediction_bit <= '1';
end if;
+ if reset = RESET_VALUE then
+ branch_prediction_bit <= '0';
+ end if;
+
end process;
end behav;