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-rw-r--r--rtl/legacy_gfx/gfx_dot.sv49
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