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| author | Eddie Hung <eddie@fpgeh.com> | 2019-06-18 11:48:48 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-06-18 11:48:48 -0700 |
| commit | 8e0a47fb920af1126adb67f884b5ce1443a9b4a9 (patch) | |
| tree | 344405b80a0a85324f7f07e31e70ea6f94cd759f /techlibs | |
| parent | 8f5e6d73ff3c81d96fbb53e0c67572830800c301 (diff) | |
| download | yosys-8e0a47fb920af1126adb67f884b5ce1443a9b4a9.tar.gz yosys-8e0a47fb920af1126adb67f884b5ce1443a9b4a9.tar.bz2 yosys-8e0a47fb920af1126adb67f884b5ce1443a9b4a9.zip | |
Really permute Xilinx LUT mappings as default LUT6.I5:A6
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/xilinx/lut_map.v | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/techlibs/xilinx/lut_map.v b/techlibs/xilinx/lut_map.v index 2f246e46d..13d3c3268 100644 --- a/techlibs/xilinx/lut_map.v +++ b/techlibs/xilinx/lut_map.v @@ -85,30 +85,30 @@ module \$lut (A, Y); if (WIDTH == 7) begin wire T0, T1; LUT6 #(.INIT(P_LUT[63:0])) fpga_lut_0 (.O(T0), - .I0(A[5]), .I1(A[4]), .I2(A[3]), - .I3(A[2]), .I4(A[1]), .I5(A[0])); + .I0(A[6]), .I1(A[5]), .I2(A[4]), + .I3(A[3]), .I4(A[2]), .I5(A[1])); LUT6 #(.INIT(P_LUT[127:64])) fpga_lut_1 (.O(T1), - .I0(A[5]), .I1(A[4]), .I2(A[3]), - .I3(A[2]), .I4(A[1]), .I5(A[0])); - MUXF7 fpga_mux_0 (.O(Y), .I0(T0), .I1(T1), .S(A[6])); + .I0(A[6]), .I1(A[5]), .I2(A[4]), + .I3(A[3]), .I4(A[2]), .I5(A[1])); + MUXF7 fpga_mux_0 (.O(Y), .I0(T0), .I1(T1), .S(A[0])); end else if (WIDTH == 8) begin wire T0, T1, T2, T3, T4, T5; LUT6 #(.INIT(P_LUT[63:0])) fpga_lut_0 (.O(T0), - .I0(A[5]), .I1(A[4]), .I2(A[3]), - .I3(A[2]), .I4(A[1]), .I5(A[0])); + .I0(A[7]), .I1(A[6]), .I2(A[5]), + .I3(A[4]), .I4(A[3]), .I5(A[2])); LUT6 #(.INIT(P_LUT[127:64])) fpga_lut_1 (.O(T1), - .I0(A[5]), .I1(A[4]), .I2(A[3]), - .I3(A[2]), .I4(A[1]), .I5(A[0])); + .I0(A[7]), .I1(A[6]), .I2(A[5]), + .I3(A[4]), .I4(A[3]), .I5(A[2])); LUT6 #(.INIT(P_LUT[191:128])) fpga_lut_2 (.O(T2), - .I0(A[5]), .I1(A[4]), .I2(A[3]), - .I3(A[2]), .I4(A[1]), .I5(A[0])); + .I0(A[7]), .I1(A[6]), .I2(A[5]), + .I3(A[4]), .I4(A[3]), .I5(A[2])); LUT6 #(.INIT(P_LUT[255:192])) fpga_lut_3 (.O(T3), - .I0(A[5]), .I1(A[4]), .I2(A[3]), - .I3(A[2]), .I4(A[1]), .I5(A[0])); - MUXF7 fpga_mux_0 (.O(T4), .I0(T0), .I1(T1), .S(A[6])); - MUXF7 fpga_mux_1 (.O(T5), .I0(T2), .I1(T3), .S(A[6])); - MUXF8 fpga_mux_2 (.O(Y), .I0(T4), .I1(T5), .S(A[7])); + .I0(A[7]), .I1(A[6]), .I2(A[5]), + .I3(A[4]), .I4(A[3]), .I5(A[2])); + MUXF7 fpga_mux_0 (.O(T4), .I0(T0), .I1(T1), .S(A[1])); + MUXF7 fpga_mux_1 (.O(T5), .I0(T2), .I1(T3), .S(A[1])); + MUXF8 fpga_mux_2 (.O(Y), .I0(T4), .I1(T5), .S(A[0])); end else begin wire _TECHMAP_FAIL_ = 1; end |