diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/arch/xilinx/pmgen_xilinx_srl.ys | 2 | ||||
| -rw-r--r-- | tests/sat/dff.ys | 21 |
2 files changed, 21 insertions, 2 deletions
diff --git a/tests/arch/xilinx/pmgen_xilinx_srl.ys b/tests/arch/xilinx/pmgen_xilinx_srl.ys index e76fb20ab..9a5e70ea9 100644 --- a/tests/arch/xilinx/pmgen_xilinx_srl.ys +++ b/tests/arch/xilinx/pmgen_xilinx_srl.ys @@ -35,7 +35,6 @@ design -stash gate design -copy-from gold -as gold pmtest_xilinx_srl_pm_fixed design -copy-from gate -as gate pmtest_xilinx_srl_pm_fixed -dff2dffe -unmap # sat does not support flops-with-enable yet miter -equiv -flatten -make_assert gold gate miter sat -set-init-zero -seq 5 -verify -prove-asserts miter @@ -52,6 +51,5 @@ design -stash gate design -copy-from gold -as gold pmtest_xilinx_srl_pm_variable design -copy-from gate -as gate pmtest_xilinx_srl_pm_variable -dff2dffe -unmap # sat does not support flops-with-enable yet miter -equiv -flatten -make_assert gold gate miter sat -set-init-zero -seq 5 -verify -prove-asserts miter diff --git a/tests/sat/dff.ys b/tests/sat/dff.ys new file mode 100644 index 000000000..ba3625871 --- /dev/null +++ b/tests/sat/dff.ys @@ -0,0 +1,21 @@ +# Ensure all sync-only DFFs have usable SAT models. + +read_verilog -icells <<EOT + +module top(...); + +input C, D, R, E; +output [4:0] Q; + +\$dff #(.WIDTH(1), .CLK_POLARITY(1'b1)) ff0 (.CLK(C), .D(D), .Q(Q[0])); +\$dffe #(.WIDTH(1), .CLK_POLARITY(1'b1), .EN_POLARITY(1'b1)) ff1 (.CLK(C), .D(D), .EN(E), .Q(Q[1])); +\$sdff #(.WIDTH(1), .CLK_POLARITY(1'b1), .SRST_POLARITY(1'b1), .SRST_VALUE(1'b0)) ff2 (.CLK(C), .D(D), .SRST(R), .Q(Q[2])); +\$sdffe #(.WIDTH(1), .CLK_POLARITY(1'b1), .SRST_POLARITY(1'b1), .SRST_VALUE(1'b0), .EN_POLARITY(1'b1)) ff3 (.CLK(C), .D(D), .EN(E), .SRST(R), .Q(Q[3])); +\$sdffce #(.WIDTH(1), .CLK_POLARITY(1'b1), .SRST_POLARITY(1'b1), .SRST_VALUE(1'b0), .EN_POLARITY(1'b1)) ff4 (.CLK(C), .D(D), .EN(E), .SRST(R), .Q(Q[4])); + +endmodule + +EOT + +# This ensures that 1) coarse cells have SAT models, 2) fine cells have SAT models, 3) they're equivalent +equiv_opt -assert simplemap |