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Fix potential bug with ALU opcode not being set when disabling multiplier

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This commit is contained in:
Markus Wegmann 2016-12-01 12:58:07 +01:00
parent b40d3848bc
commit e978cce450
1 changed files with 8 additions and 1 deletions
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9
id_stage.sv
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@ -1260,6 +1260,9 @@ always_ff @(posedge clk, negedge rst_n)
// CONFIG_REGION: MUL_SUPPORT
`ifdef MUL_SUPPORT
if (~mult_en)
`else
if (1'b1)
`endif // MUL_SUPPORT
begin // only change those registers when we actually need to
alu_operator_ex_o <= alu_operator;
alu_operand_a_ex_o <= alu_operand_a;
@ -1278,7 +1281,11 @@ always_ff @(posedge clk, negedge rst_n)
alu_vec_mode_ex_o <= alu_vec_mode;
`endif // VEC_SUPPORT
end
// CONFIG_REGION: MUL_SUPPORT
`ifdef MUL_SUPPORT
mult_en_ex_o <= mult_en;
if (mult_int_en) begin // when we are multiplying we don't need the ALU
mult_operator_ex_o <= mult_operator;