35a36,37
>     reg [       PHT_IDXW-1:0] IfId_bhr;      // Note: for branch prediction
>     reg [       PHT_IDXW-1:0] IfId_br_idx;   // Note: for branch prediction
48a51,52
>     reg [       PHT_IDXW-1:0] IdEx_bhr;      // Note: for branch prediction
>     reg [       PHT_IDXW-1:0] IdEx_br_idx;   // Note: for branch prediction
68a73,74
>     reg [       PHT_IDXW-1:0] ExMa_bhr;      // Note: for branch prediction
>     reg [       PHT_IDXW-1:0] ExMa_br_idx;   // Note: for branch prediction
136c142,148
<     assign If_pat_hist    = r_pht_entry;
---
> 
>     reg  [PHT_IDXW-1:0] r_bhr = 0; // branch history register
>     wire [PHT_IDXW-1:0] w_bhr = (stall || IfId_load_muldiv_use) ? r_bhr :
>                         (ExMa_v && Ma_br_misp) ? {ExMa_bhr[PHT_IDXW-2:0], ExMa_br_tkn} :
>                         (btb_hit) ? {r_bhr[PHT_IDXW-2:0], If_pat_hist[1]} : r_bhr;
>     always @(posedge clk_i) r_bhr <= w_bhr;
>     
145,147c157,161
<     wire [PHT_IDXW-1:0] pht_ridx = If_pc >> 2;
<     wire [PHT_IDXW-1:0] pht_widx = ExMa_pc >> 2;
<     reg [1:0] r_pht_entry;
---
> 
>     wire [PHT_IDXW-1:0] pht_ridx = (r_pc >> 2) ^ r_bhr; // Note
>     wire [PHT_IDXW-1:0] pht_widx = ExMa_br_idx;         // Note
>     assign If_pat_hist = pht[pht_ridx];                 // Note !!!
>     
149d162
<         r_pht_entry <= pht[pht_ridx];
204a218,219
>                 IfId_bhr         <= r_bhr;       // Note
>                 IfId_br_idx      <= pht_ridx;    // Note
286a302,303
>             IdEx_bhr              <= IfId_bhr;      // Note
>             IdEx_br_idx           <= IfId_br_idx;   // Note
418a436,437
>             ExMa_bhr           <= IdEx_bhr;      // Note
>             ExMa_br_idx        <= IdEx_br_idx;   // Note