diff options
Diffstat (limited to 'rtl/core/decode/decode.sv')
| -rw-r--r-- | rtl/core/decode/decode.sv | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/rtl/core/decode/decode.sv b/rtl/core/decode/decode.sv index 321e972..b2d9518 100644 --- a/rtl/core/decode/decode.sv +++ b/rtl/core/decode/decode.sv @@ -11,6 +11,7 @@ module core_decode undefined, writeback, update_flags, + uses_rn, branch, output ptr branch_offset, output snd_decode snd_ctrl, @@ -54,7 +55,7 @@ module core_decode data_decode data; logic data_writeback, data_update_flags, data_restore_spsr, - data_is_imm, data_shift_by_reg_if_reg; + data_is_imm, data_shift_by_reg_if_reg, data_uses_rn; core_decode_data group_data ( @@ -64,6 +65,7 @@ module core_decode .restore_spsr(data_restore_spsr), .snd_is_imm(data_is_imm), .snd_shift_by_reg_if_reg(data_shift_by_reg_if_reg), + .uses_rn(data_uses_rn), .* ); @@ -111,11 +113,12 @@ module core_decode ); always_comb begin - undefined = cond_undefined; - branch = 0; writeback = 0; update_flags = 0; + uses_rn = 1; + undefined = cond_undefined; + data_ctrl = {($bits(data_ctrl)){1'bx}}; snd_ctrl = {$bits(snd_ctrl){1'bx}}; @@ -145,6 +148,7 @@ module core_decode end `GROUP_ALU: begin + uses_rn = data_uses_rn; snd_is_imm = data_is_imm; snd_ror_if_imm = 1; snd_shift_by_reg_if_reg = data_shift_by_reg_if_reg; |