Commit 7c07d710 by Eddie Hung

Add test15-17

parent 237e4eb8
......@@ -157,7 +157,7 @@ endmodule
# Test 11: neg_clk_with_enable_with_init_inferred_var_len
for i in range(1,N+1):
with open('test1_%d.v' % i, 'w') as fp:
with open('test11_%d.v' % i, 'w') as fp:
fp.write('''
module test11_{0} #(parameter width=1, depth={0}) (input clk, input [width-1:0] i, input e, input [31:0] l, output [width-1:0] q);
generate
......@@ -180,3 +180,49 @@ generate
endgenerate
endmodule
'''.format(i))
# Test 15: pos_clk_no_enable_no_init_not_inferred
for i in range(128+1,128+N+1):
with open('test15_%d.v' % i, 'w') as fp:
fp.write('''
module test15_{0} #(parameter width=1, depth={0}) (input clk, input [width-1:0] i, output [width-1:0] q);
generate
wire [depth:0] int [width-1:0];
genvar w, d;
for (w = 0; w < width; w=w+1) begin
assign int[w][0] = i[w];
for (d = 0; d < depth; d=d+1) begin
\$_DFFE_PP_ r(.C(clk), .D(int[w][d]), .E(1'b1), .Q(int[w][d+1]));
end
assign q[w] = int[w][depth];
end
endgenerate
endmodule
'''.format(i))
# Test 16: neg_clk_with_enable_with_init_inferred_var_len
for i in range(128+1,128+N+1):
with open('test16_%d.v' % i, 'w') as fp:
fp.write('''
module test16_{0} #(parameter width=1, depth={0}) (input clk, input [width-1:0] i, input e, input [31:0] l, output [width-1:0] q);
generate
reg [depth-1:0] int [width-1:0];
genvar w, d;
for (w = 0; w < width; w=w+1) begin
for (d = 0; d < depth; d=d+1)
initial int[w][d] <= ~((d+w) % 2);
if (depth == 1) begin
always @(negedge clk) if (e) int[w] <= i[w];
assign q[w] = int[w];
end
else begin
always @(negedge clk) if (e) int[w] <= {{ int[w][depth-2:0], i[w] }};
assign q[w] = int[w][l];
end
end
endgenerate
endmodule
'''.format(i))
// Check inference even when not in vector
module test17a (input clk, input i, output q);
generate
reg a1, a2, a3, a4, a5, a6, a7, a8;
always @(posedge clk) a1 <= i;
always @(posedge clk) a2 <= a1;
always @(posedge clk) a3 <= a2;
always @(posedge clk) a4 <= a3;
always @(posedge clk) a5 <= a4;
always @(posedge clk) a6 <= a5;
always @(posedge clk) a7 <= a6;
always @(posedge clk) a8 <= a7;
assign q = a8;
endgenerate
endmodule
// Check inference even when not in vector
module test17a (input clk, input i, input e, output q);
generate
reg a1, a2, a3, a4, a5, a6, a7, a8;
always @(posedge clk) if (e) {a8,a7,a6,a5,a4,a3,a2,a1} <= {a7,a6,a5,a4,a3,a2,a1,i};
assign q = a8;
endgenerate
endmodule
// Check inference even when keep attribute specified
module test17c (input clk, input i, input e, output q);
generate
reg a1, a2, a3;
(* keep *) reg a4;
reg a5, a6, a7, a8;
always @(negedge clk) if (e) {a8,a7,a6,a5,a4,a3,a2,a1} <= {a7,a6,a5,a4,a3,a2,a1,i};
assign z = a8;
endgenerate
endmodule
// Check inference even when keep attribute specified
module test17d (input clk, input i, input e, output q);
generate
reg a1, a2;
(* keep *) reg a3;
(* keep *) reg a4;
reg a5, a6, a7, a8;
always @(negedge clk) if (e) {a8,a7,a6,a5,a4,a3,a2,a1} <= {a7,a6,a5,a4,a3,a2,a1,i};
assign q = a8;
endgenerate
endmodule
// Check inference even when keep attribute specified
module test17d (input clk, input i, input e, output q);
generate
reg a1, a2;
(* blah *) reg a3;
reg a4, a5, a6;
(* boo *) reg a7;
reg a8;
always @(negedge clk) if (e) {a8,a7,a6,a5,a4,a3,a2,a1} <= {a7,a6,a5,a4,a3,a2,a1,i};
assign q = a8;
endgenerate
endmodule
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment