diff options
Diffstat (limited to 'tests/ice40')
| -rw-r--r-- | tests/ice40/latches.ys | 9 | ||||
| -rw-r--r-- | tests/ice40/wrapcarry.ys | 22 |
2 files changed, 25 insertions, 6 deletions
diff --git a/tests/ice40/latches.ys b/tests/ice40/latches.ys index f3562559e..708734e44 100644 --- a/tests/ice40/latches.ys +++ b/tests/ice40/latches.ys @@ -1,14 +1,11 @@ read_verilog latches.v -design -save read proc -async2sync # converts latches to a 'sync' variant clocked by a 'super'-clock flatten -synth_ice40 -equiv_opt -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check -design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) +# Can't run any sort of equivalence check because latches are blown to LUTs +#equiv_opt -async2sync -assert -map +/ice40/cells_sim.v synth_ice40 # equivalency check -design -load read +#design -load preopt synth_ice40 cd top select -assert-count 4 t:SB_LUT4 diff --git a/tests/ice40/wrapcarry.ys b/tests/ice40/wrapcarry.ys new file mode 100644 index 000000000..10c029e68 --- /dev/null +++ b/tests/ice40/wrapcarry.ys @@ -0,0 +1,22 @@ +read_verilog <<EOT +module top(input A, B, CI, output O, CO); + SB_CARRY carry ( + .I0(A), + .I1(B), + .CI(CI), + .CO(CO) + ); + SB_LUT4 #( + .LUT_INIT(16'b 0110_1001_1001_0110) + ) adder ( + .I0(1'b0), + .I1(A), + .I2(B), + .I3(1'b0), + .O(O) + ); +endmodule +EOT + +ice40_wrapcarry +select -assert-count 1 t:$__ICE40_CARRY_WRAPPER |