From ca5a25cfbdbefada9dfb94a097b65e69226f3f9a Mon Sep 17 00:00:00 2001 From: Flavian Kaufmann Date: Wed, 1 May 2024 16:08:53 +0200 Subject: fixed alu bugs --- src/shift_unit.v | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'src/shift_unit.v') diff --git a/src/shift_unit.v b/src/shift_unit.v index 55b6add..eb931e2 100644 --- a/src/shift_unit.v +++ b/src/shift_unit.v @@ -1,17 +1,17 @@ module shift_unit #( parameter N = 32 )( - input [N-1:0] A, - input [clog2(N):0] SHAMT, + input signed [N-1:0] A, + input unsigned [N-1:0] SHAMT, input [1:0] OP, // 00: SLL, 01: SRL, 11: SRA output reg [N-1:0] RESULT ); always @ (*) begin case (OP) - 2'b00: RESULT <= A << SHAMT; - 2'b01: RESULT <= A >> SHAMT; - 2'b11: RESULT <= A >>> SHAMT; + 2'b00: RESULT <= A << SHAMT % N; + 2'b01: RESULT <= A >> SHAMT % N; + 2'b11: RESULT <= A >>> SHAMT % N; endcase end -- cgit v1.2.3