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Clean up silly mistakes

This commit is contained in:
Luke Wren 2021-11-26 00:55:57 +00:00
parent 58c20a39d0
commit 998f3fdeb7
1 changed files with 15 additions and 15 deletions
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30
hdl/arith/hazard3_alu.v
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@ -22,12 +22,12 @@ module hazard3_alu #(
,
`include "hazard3_width_const.vh"
) (
input wire [3:0] aluop,
input wire [W_DATA-1:0] op_a,
input wire [W_DATA-1:0] op_b,
output reg [W_DATA-1:0] result,
output wire [W_DATA-1:0] result_add,
output wire cmp
input wire [W_ALUOP-1:0] aluop,
input wire [W_DATA-1:0] op_a,
input wire [W_DATA-1:0] op_b,
output reg [W_DATA-1:0] result,
output wire [W_DATA-1:0] result_add,
output wire cmp
);
`include "hazard3_ops.vh"
@ -46,7 +46,7 @@ end
endfunction
wire sub = !(aluop == ALUOP_ADD || (|EXTENSION_ZBA && (
aluop == ALUOP_ADD_SH1 || aluop == ALUOP_ADD_SH2 || aluop == ALUOP_ADD_SH3
aluop == ALUOP_SH1ADD || aluop == ALUOP_SH2ADD || aluop == ALUOP_SH3ADD
)));
wire inv_op_b = sub || (|EXTENSION_ZBB && (
@ -54,9 +54,9 @@ wire inv_op_b = sub || (|EXTENSION_ZBB && (
));
wire [W_DATA-1:0] op_a_shifted =
|EXTENSION_ZBA && aluop == ALUOP_ADD_SH1 ? op_a << 1 :
|EXTENSION_ZBA && aluop == ALUOP_ADD_SH2 ? op_a << 2 :
|EXTENSION_ZBA && aluop == ALUOP_ADD_SH3 ? op_a << 3 : op_a;
|EXTENSION_ZBA && aluop == ALUOP_SH1ADD ? op_a << 1 :
|EXTENSION_ZBA && aluop == ALUOP_SH2ADD ? op_a << 2 :
|EXTENSION_ZBA && aluop == ALUOP_SH3ADD ? op_a << 3 : op_a;
wire [W_DATA-1:0] op_b_inv = op_b ^ {W_DATA{inv_op_b}};
@ -169,9 +169,9 @@ always @ (*) begin
{4'bzzzz, ALUOP_SLL }: result = shift_dout;
{4'bzzzz, ALUOP_SLL }: result = shift_dout;
// Zba
{4'b1zzz, ALUOP_ADD_SH1}: result = sum;
{4'b1zzz, ALUOP_ADD_SH2}: result = sum;
{4'b1zzz, ALUOP_ADD_SH3}: result = sum;
{4'b1zzz, ALUOP_SH1ADD }: result = sum;
{4'b1zzz, ALUOP_SH2ADD }: result = sum;
{4'b1zzz, ALUOP_SH3ADD }: result = sum;
// Zbb
{4'bz1zz, ALUOP_ANDN }: result = bitwise;
{4'bz1zz, ALUOP_ORN }: result = bitwise;
@ -186,8 +186,8 @@ always @ (*) begin
{4'bz1zz, ALUOP_SEXT_B }: result = {{W_DATA-8{op_a[7]}}, op_a[7:0]};
{4'bz1zz, ALUOP_SEXT_H }: result = {{W_DATA-16{op_a[15]}}, op_a[15:0]};
{4'bz1zz, ALUOP_ZEXT_H }: result = {{W_DATA-16{1'b0}}, op_a[15:0]};
{4'bz1zz, ALUOP_ORC_B }: result = {{8{|op[31:24]}}, {8{|op[23:16]}}, {8{|op[15:8]}}, {8{|op[7:0]}}};
{4'bz1zz, ALUOP_REV8 }: result = {op[7:0], op[15:8], op[23:16], op[31:24]};
{4'bz1zz, ALUOP_ORC_B }: result = {{8{|op_a[31:24]}}, {8{|op_a[23:16]}}, {8{|op_a[15:8]}}, {8{|op_a[7:0]}}};
{4'bz1zz, ALUOP_REV8 }: result = {op_a[7:0], op_a[15:8], op_a[23:16], op_a[31:24]};
{4'bz1zz, ALUOP_ROL }: result = shift_dout;
{4'bz1zz, ALUOP_ROR }: result = shift_dout;
// Zbc