summaryrefslogtreecommitdiff
path: root/rtl/gfx/gfx_fixed_fma_dot.sv
blob: c19b49e0b9bfde774e194764ea5a45bb99ffde53 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
`include "gfx/gfx_defs.sv"

module gfx_fixed_fma_dot
(
	input  logic clk,

	input  fixed a0,
	             b0,
	             a1,
	             b1,
	             c,
	input  logic stall,

	output fixed q
);

	fixed q0, a1_hold, b1_hold;

	gfx_fixed_fma fma0
	(
		.a(a0),
		.b(b0),
		.q(q0),
		.*
	);

	gfx_pipes #(.WIDTH($bits(fixed)), .DEPTH(`FIXED_FMA_STAGES)) a_pipes
	(
		.in(a1),
		.out(a1_hold),
		.*
	);

	gfx_pipes #(.WIDTH($bits(fixed)), .DEPTH(`FIXED_FMA_STAGES)) b_pipes
	(
		.in(b1),
		.out(b1_hold),
		.*
	);

	gfx_fixed_fma fma1
	(
		.a(a1_hold),
		.b(b1_hold),
		.c(q0),
		.*
	);

endmodule