diff options
| author | Eddie Hung <eddie@fpgeh.com> | 2019-08-09 12:13:17 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-08-09 12:13:17 -0700 |
| commit | 0adf81cb91cc4068cff342bf880ba68b17d183c3 (patch) | |
| tree | 8656ec5c20009a9bda35475d580f18cf29d3d0df | |
| parent | 9f1b82f5941778a3691ce0ef08e0d06547451110 (diff) | |
| download | yosys-0adf81cb91cc4068cff342bf880ba68b17d183c3.tar.gz yosys-0adf81cb91cc4068cff342bf880ba68b17d183c3.tar.bz2 yosys-0adf81cb91cc4068cff342bf880ba68b17d183c3.zip | |
Add $alu tests
| -rw-r--r-- | tests/opt/opt_expr.ys | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/opt/opt_expr.ys b/tests/opt/opt_expr.ys index 9f5e845ca..f0306efa1 100644 --- a/tests/opt/opt_expr.ys +++ b/tests/opt/opt_expr.ys @@ -179,3 +179,45 @@ equiv_opt -assert opt_expr -fine design -load postopt select -assert-count 1 t:$alu r:A_WIDTH=2 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########### + +design -reset +read_verilog -icells <<EOT +module opt_expr_alu_test_ci0_bi0(input [7:0] a, input [3:0] b, output [8:0] x, y, co); + \$alu #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(8), .B_WIDTH(8), .Y_WIDTH(9)) alu (.A(a), .B({b, 4'b0000}), .CI(1'b0), .BI(1'b0), .X(x), .Y(y), .CO(co)); +endmodule +EOT +check + +equiv_opt -assert opt_expr -fine +design -load postopt +select -assert-count 1 t:$alu r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########### + +design -reset +read_verilog -icells <<EOT +module opt_expr_alu_test_ci1_bi1(input [7:0] a, input [3:0] b, output [8:0] x, y, co); + \$alu #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(8), .B_WIDTH(8), .Y_WIDTH(9)) alu (.A(a), .B({b, 4'b0000}), .CI(1'b1), .BI(1'b1), .X(x), .Y(y), .CO(co)); +endmodule +EOT +check + +equiv_opt opt_expr -fine +design -load postopt +select -assert-count 1 t:$alu r:A_WIDTH=4 r:B_WIDTH=4 r:Y_WIDTH=5 %i %i %i + +########### + +design -reset +read_verilog -icells <<EOT +module opt_expr_alu_test_ci0_bi1(input [7:0] a, input [3:0] b, output [8:0] x, y, co); + \$alu #(.A_SIGNED(0), .B_SIGNED(0), .A_WIDTH(8), .B_WIDTH(8), .Y_WIDTH(9)) alu (.A(a), .B({b, 4'b0000}), .CI(1'b0), .BI(1'b1), .X(x), .Y(y), .CO(co)); +endmodule +EOT +check + +equiv_opt opt_expr -fine +design -load postopt +select -assert-count 1 t:$alu r:A_WIDTH=8 r:B_WIDTH=8 r:Y_WIDTH=9 %i %i %i |