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authorgatecat <gatecat@ds0.me>2023-02-20 12:49:48 +0100
committermyrtle <gatecat@ds0.me>2023-02-27 09:50:34 +0100
commit2ab3747cc95986e179453ca149508d3781a94a71 (patch)
treeafb8c7757ccd00618690b95ef4ae5ac7086902da /tests
parent8216b23fb7b0ee1944403943eb066e0689129ba9 (diff)
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fabulous: Add support for mapping carry chains
Signed-off-by: gatecat <gatecat@ds0.me>
Diffstat (limited to 'tests')
-rw-r--r--tests/arch/fabulous/carry.ys9
1 files changed, 9 insertions, 0 deletions
diff --git a/tests/arch/fabulous/carry.ys b/tests/arch/fabulous/carry.ys
new file mode 100644
index 000000000..bba969d37
--- /dev/null
+++ b/tests/arch/fabulous/carry.ys
@@ -0,0 +1,9 @@
+read_verilog ../common/add_sub.v
+hierarchy -top top
+proc
+equiv_opt -assert -map +/fabulous/prims.v synth_fabulous -carry ha # 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-max 10 t:LUT4_HA
+select -assert-max 4 t:LUT1
+select -assert-none t:LUT1 t:LUT4_HA %% t:* %D