minor update

vortexgpgpu · Oct 17, 2024 · 6b1091e · 6b1091e
1 parent 91fee5d
commit 6b1091e
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/hw/rtl/cache/VX_cache_bank.sv b/hw/rtl/cache/VX_cache_bank.sv
@@ -616,7 +616,9 @@ module VX_cache_bank #(
         .ready_out (core_rsp_ready)
     );
 
-    assign crsp_queue_stall = crsp_queue_valid && ~crsp_queue_ready;
+    // we use 'do_read_st1' instead 'crsp_queue_valid'
+    // to remove costly 'is_hit_st1' signal from critical paths.
+    assign crsp_queue_stall = do_read_st1 && ~crsp_queue_ready;
 
     // schedule memory request
 

diff --git a/hw/rtl/cache/VX_cache_mshr.sv b/hw/rtl/cache/VX_cache_mshr.sv
@@ -101,8 +101,8 @@ module VX_cache_mshr #(
 );
     `UNUSED_PARAM (BANK_ID)
 
-    reg [`CS_LINE_ADDR_WIDTH-1:0] addr_table [MSHR_SIZE-1:0];
-    reg [MSHR_ADDR_WIDTH-1:0] next_index [MSHR_SIZE-1:0];
+    reg [`CS_LINE_ADDR_WIDTH-1:0] addr_table [0:MSHR_SIZE-1];
+    reg [MSHR_ADDR_WIDTH-1:0] next_index [0:MSHR_SIZE-1];
 
     reg [MSHR_SIZE-1:0] valid_table, valid_table_n;
     reg [MSHR_SIZE-1:0] next_table, next_table_x, next_table_n;