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Simplify o_alu_cmp_uns

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Olof Kindgren 2019-09-14 22:21:25 +02:00
parent 1248043a39
commit c0a177aebe
1 changed files with 2 additions and 12 deletions
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14
rtl/serv_decode.v
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@ -34,7 +34,7 @@ module serv_decode
output wire o_alu_sub,
output wire [1:0] o_alu_bool_op,
output wire o_alu_cmp_eq,
output reg o_alu_cmp_uns,
output wire o_alu_cmp_uns,
input wire i_alu_cmp,
output wire o_alu_shamt_en,
output wire o_alu_sh_signed,
@ -177,17 +177,7 @@ module serv_decode
assign o_alu_cmp_eq = o_funct3[2:1] == 2'b00;
always @(o_funct3) begin
casez (o_funct3)
3'b00? : o_alu_cmp_uns = 1'b0;
3'b010 : o_alu_cmp_uns = 1'b0;
3'b011 : o_alu_cmp_uns = 1'b1;
3'b10? : o_alu_cmp_uns = 1'b0;
3'b11? : o_alu_cmp_uns = 1'b1;
default : o_alu_cmp_uns = 1'bx;
endcase
end
assign o_alu_cmp_uns = (o_funct3[0] & o_funct3[1]) | (o_funct3[1] & o_funct3[2]);
assign o_alu_shamt_en = (o_cnt < 5) & (state == INIT);
assign o_alu_sh_signed = imm30;
assign o_alu_sh_right = o_funct3[2];