diff options
Diffstat (limited to 'rtl/core/control/select.sv')
| -rw-r--r-- | rtl/core/control/select.sv | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/rtl/core/control/select.sv b/rtl/core/control/select.sv index 80a437f..ee63b42 100644 --- a/rtl/core/control/select.sv +++ b/rtl/core/control/select.sv @@ -29,22 +29,17 @@ module core_control_select ra = last_ra; rb = last_rb; - unique case(next_cycle) - ISSUE: begin - ra = dec.data.rn; - rb = dec.snd.r; - end - - TRANSFER: - if(cycle != TRANSFER || mem_ready) - // final_rd viene de dec.ldst.rd - rb = pop_valid ? popped : final_rd; - - MUL_ACC_LD: begin - ra = mul_r_add_hi; - rb = mul_r_add_lo; - end - endcase + if(next_cycle.issue) begin + ra = dec.data.rn; + rb = dec.snd.r; + end else if(next_cycle.transfer) begin + if(!cycle.transfer || mem_ready) + // final_rd viene de dec.ldst.rd + rb = pop_valid ? popped : final_rd; + end else if(next_cycle.mul_acc_ld) begin + ra = mul_r_add_hi; + rb = mul_r_add_lo; + end end always_ff @(posedge clk or negedge rst_n) @@ -56,7 +51,7 @@ module core_control_select last_ra <= ra; last_rb <= rb; - if(next_cycle == ISSUE) + if(next_cycle.issue) r_shift <= dec.snd.r_shift; end |