diff options
Diffstat (limited to 'rtl/legacy_gfx/gfx_fixed_fma_dot.sv')
| -rw-r--r-- | rtl/legacy_gfx/gfx_fixed_fma_dot.sv | 49 |
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 |
