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-rw-r--r--tests/arch/gowin/add_sub.ys13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/arch/gowin/add_sub.ys b/tests/arch/gowin/add_sub.ys
new file mode 100644
index 000000000..9b53dc0a9
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+++ b/tests/arch/gowin/add_sub.ys
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+read_verilog ../common/add_sub.v
+hierarchy -top top
+proc
+equiv_opt -assert -map +/gowin/cells_sim.v synth_gowin # equivalency check
+design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
+cd top # Constrain all select calls below inside the top module
+select -assert-count 8 t:ALU
+select -assert-count 8 t:OBUF
+select -assert-count 8 t:IBUF
+select -assert-count 1 t:GND
+select -assert-count 1 t:VCC
+select -assert-none t:ALU t:OBUF t:IBUF t:GND t:VCC %% t:* %D
+