rtl/legacy_gfx: rename gfx -> legacy_gfx

1 files changed, 49 insertions, 0 deletions

diff --git a/rtl/legacy_gfx/gfx_dot.sv b/rtl/legacy_gfx/gfx_dot.sv
new file mode 100644
index 0000000..9c21c23
--- /dev/null
+++ b/rtl/legacy_gfx/gfx_dot.sv
@@ -0,0 +1,49 @@
+`include "gfx/gfx_defs.sv"
+
+module gfx_dot
+(
+	input  logic clk,
+
+	input  logic stall_mul,
+	             stall_fold,
+	             feedback,
+	             feedback_last,
+
+	input  vec4  a,
+		         b,
+
+	output fp    q
+);
+
+	vec4 products_fold, products_mul;
+
+	gfx_fold fold
+	(
+		.vec(products_fold),
+		.stall(stall_fold),
+		.*
+	);
+
+	genvar i;
+	generate
+		for (i = 0; i < `FLOATS_PER_VEC; ++i) begin: entries
+			gfx_fp_mul entry_i
+			(
+				.a(a[i]),
+				.b(b[i]),
+				.q(products_mul[i]),
+				.stall(stall_mul),
+				.*
+			);
+
+			gfx_skid_buf #(.WIDTH($bits(fp))) skid_i
+			(
+				.in(products_mul[i]),
+				.out(products_fold[i]),
+				.stall(stall_mul),
+				.*
+			);
+		end
+	endgenerate
+
+endmodule