From 9f241c9a42d9380164a9df8f16cf9dffb10bc8ad Mon Sep 17 00:00:00 2001 From: David Shah Date: Fri, 20 Nov 2020 08:26:58 +0000 Subject: nexus: DSP inference support Signed-off-by: David Shah --- techlibs/nexus/dsp_map.v | 79 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 techlibs/nexus/dsp_map.v (limited to 'techlibs/nexus/dsp_map.v') diff --git a/techlibs/nexus/dsp_map.v b/techlibs/nexus/dsp_map.v new file mode 100644 index 000000000..b12528309 --- /dev/null +++ b/techlibs/nexus/dsp_map.v @@ -0,0 +1,79 @@ +module \$__NX_MUL36X36 (input [35:0] A, input [35:0] B, output [71:0] Y); + + parameter A_WIDTH = 36; + parameter B_WIDTH = 36; + parameter Y_WIDTH = 72; + parameter A_SIGNED = 0; + parameter B_SIGNED = 0; + + MULT36X36 #( + .REGINPUTA("BYPASS"), + .REGINPUTB("BYPASS"), + .REGOUTPUT("BYPASS") + ) _TECHMAP_REPLACE_ ( + .A(A), .B(B), + .SIGNEDA(A_SIGNED ? 1'b1 : 1'b0), + .SIGNEDB(B_SIGNED ? 1'b1 : 1'b0), + .Z(Y) + ); +endmodule + +module \$__NX_MUL36X18 (input [35:0] A, input [17:0] B, output [53:0] Y); + + parameter A_WIDTH = 36; + parameter B_WIDTH = 18; + parameter Y_WIDTH = 54; + parameter A_SIGNED = 0; + parameter B_SIGNED = 0; + + MULT18X36 #( + .REGINPUTA("BYPASS"), + .REGINPUTB("BYPASS"), + .REGOUTPUT("BYPASS") + ) _TECHMAP_REPLACE_ ( + .A(B), .B(A), + .SIGNEDA(B_SIGNED ? 1'b1 : 1'b0), + .SIGNEDB(A_SIGNED ? 1'b1 : 1'b0), + .Z(Y) + ); +endmodule + +module \$__NX_MUL18X18 (input [17:0] A, input [17:0] B, output [35:0] Y); + + parameter A_WIDTH = 18; + parameter B_WIDTH = 18; + parameter Y_WIDTH = 36; + parameter A_SIGNED = 0; + parameter B_SIGNED = 0; + + MULT18X18 #( + .REGINPUTA("BYPASS"), + .REGINPUTB("BYPASS"), + .REGOUTPUT("BYPASS") + ) _TECHMAP_REPLACE_ ( + .A(A), .B(B), + .SIGNEDA(A_SIGNED ? 1'b1 : 1'b0), + .SIGNEDB(B_SIGNED ? 1'b1 : 1'b0), + .Z(Y) + ); +endmodule + +module \$__NX_MUL9X9 (input [8:0] A, input [8:0] B, output [17:0] Y); + + parameter A_WIDTH = 9; + parameter B_WIDTH = 9; + parameter Y_WIDTH = 18; + parameter A_SIGNED = 0; + parameter B_SIGNED = 0; + + MULT9X9 #( + .REGINPUTA("BYPASS"), + .REGINPUTB("BYPASS"), + .REGOUTPUT("BYPASS") + ) _TECHMAP_REPLACE_ ( + .A(A), .B(B), + .SIGNEDA(A_SIGNED ? 1'b1 : 1'b0), + .SIGNEDB(B_SIGNED ? 1'b1 : 1'b0), + .Z(Y) + ); +endmodule -- cgit v1.2.3