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Change CurrPtr to Ptr in RAS.

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This commit is contained in:
Ross Thompson 2023-02-03 17:40:20 -06:00
parent 1763de52ea
commit 583d87afc7
1 changed files with 5 additions and 5 deletions
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10
pipelined/src/ifu/bpred/RASPredictor.sv
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@ -42,7 +42,7 @@ module RASPredictor #(parameter int StackSize = 16 )(
logic CounterEn;
localparam Depth = $clog2(StackSize);
logic [Depth-1:0] NextPtr, CurrPtr, PtrP1, PtrM1;
logic [Depth-1:0] NextPtr, Ptr, PtrP1, PtrM1;
logic [StackSize-1:0] [`XLEN-1:0] memory;
integer index;
@ -73,10 +73,10 @@ module RASPredictor #(parameter int StackSize = 16 )(
assign DecrementPtr = (PopF | DecRepairD) & ~IncrRepairD;
mux2 #(Depth) PtrMux(PtrP1, PtrM1, DecrementPtr, NextPtr);
assign PtrM1 = CurrPtr - 1'b1;
assign PtrP1 = CurrPtr + 1'b1;
assign PtrM1 = Ptr - 1'b1;
assign PtrP1 = Ptr + 1'b1;
flopenr #(Depth) PTR(clk, reset, CounterEn, NextPtr, CurrPtr);
flopenr #(Depth) PTR(clk, reset, CounterEn, NextPtr, Ptr);
// RAS must be reset.
always_ff @ (posedge clk) begin
@ -88,7 +88,7 @@ module RASPredictor #(parameter int StackSize = 16 )(
end
end
assign RASPCF = memory[CurrPtr];
assign RASPCF = memory[Ptr];
endmodule