minor update

hw/rtl/VX_socket.sv

@@ -184,7 +184,7 @@ module VX_socket import VX_gpu_pkg::*; #(
         .DATA_SIZE    (`L1_LINE_SIZE),
         .TAG_WIDTH    (L1_MEM_TAG_WIDTH),
         .TAG_SEL_IDX  (0),
-        .ARBITER      ("R"),
+        .ARBITER      ("P"), // prioritize the icache
         .REQ_OUT_BUF  (3),
         .RSP_OUT_BUF  (3)
     ) mem_arb (

hw/rtl/core/VX_alu_muldiv.sv

@@ -324,7 +324,7 @@ module VX_alu_muldiv #(
     VX_stream_arb #(
         .NUM_INPUTS (2),
         .DATAW (TAG_WIDTH + (NUM_LANES * `XLEN)),
-        .ARBITER ("R"),
+        .ARBITER ("P"),
         .OUT_BUF (1)
     ) rsp_buf (
         .clk       (clk),

hw/rtl/core/VX_mem_unit.sv

@@ -50,7 +50,7 @@ module VX_mem_unit import VX_gpu_pkg::*; #(
             .REQ0_OUT_BUF (3),
             .REQ1_OUT_BUF (0),
             .RSP_OUT_BUF  (1),
-            .ARBITER      ("R")
+            .ARBITER      ("P")
         ) lmem_switch (
             .clk          (clk),
             .reset        (reset),

hw/rtl/fpu/VX_fpu_dpi.sv

@@ -430,7 +430,7 @@ module VX_fpu_dpi import VX_fpu_pkg::*; #(
     VX_stream_arb #(
         .NUM_INPUTS (2),
         .DATAW      (RSP_DATAW),
-        .ARBITER    ("R"),
+        .ARBITER    ("P"),
         .OUT_BUF    (0)
     ) div_sqrt_arb (
         .clk       (clk),

hw/rtl/fpu/VX_fpu_dsp.sv

@@ -243,7 +243,7 @@ module VX_fpu_dsp import VX_fpu_pkg::*; #(
     VX_stream_arb #(
         .NUM_INPUTS (2),
         .DATAW      (RSP_DATAW),
-        .ARBITER    ("R"),
+        .ARBITER    ("P"),
         .OUT_BUF    (0)
     ) div_sqrt_arb (
         .clk       (clk),

hw/rtl/libs/VX_priority_encoder.sv

@@ -43,7 +43,7 @@ module VX_priority_encoder #(
 
     end else if (N == 2) begin
 
-        assign onehot_out = {~reversed[0], reversed[0]};
+        assign onehot_out = {reversed[1] && ~reversed[0], reversed[0]};
         assign index_out  = ~reversed[0];
         assign valid_out  = (| reversed);