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-rw-r--r--rtl/legacy_gfx/gfx_fixed_fma_dot.sv49
1 files changed, 49 insertions, 0 deletions
diff --git a/rtl/legacy_gfx/gfx_fixed_fma_dot.sv b/rtl/legacy_gfx/gfx_fixed_fma_dot.sv
new file mode 100644
index 0000000..c19b49e
--- /dev/null
+++ b/rtl/legacy_gfx/gfx_fixed_fma_dot.sv
@@ -0,0 +1,49 @@
+`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