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authorPepijn de Vos <pepijndevos@gmail.com>2019-12-03 15:12:25 +0100
committerPepijn de Vos <pepijndevos@gmail.com>2019-12-03 15:12:25 +0100
commita3b25b4af899b78d7401ec2ea7cd988d6209e226 (patch)
treeaaa7cfbb4f30b9e5d593cd6765e5881303cd43e9 /tests/arch/gowin/init.ys
parent72d03dc910da379779f2f7a0a0406dd61593d696 (diff)
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Use -match-init to not synth contradicting init values
Diffstat (limited to 'tests/arch/gowin/init.ys')
-rw-r--r--tests/arch/gowin/init.ys22
1 files changed, 12 insertions, 10 deletions
diff --git a/tests/arch/gowin/init.ys b/tests/arch/gowin/init.ys
index dc8206825..ddc0e4757 100644
--- a/tests/arch/gowin/init.ys
+++ b/tests/arch/gowin/init.ys
@@ -36,7 +36,8 @@ design -load read
# these should synth to a flop with reset
chparam -set INIT 1 myDFF myDFFN myDFFE myDFFNE
-# these should give a warning
+# async should give a warning
+# sync should synth to a mux
chparam -set INIT 0 myDFF*S* myDFF*P*
chparam -set INIT 1 myDFF*R* myDFF*C*
@@ -45,28 +46,29 @@ flatten
synth_gowin -run coarse:
# check the flops mapped as expected
-select -assert-count 0 t:DFF
+select -assert-count 1 t:DFF
select -assert-count 1 t:DFFC
select -assert-count 1 t:DFFCE
-select -assert-count 0 t:DFFE
-select -assert-count 0 t:DFFN
+select -assert-count 1 t:DFFE
+select -assert-count 1 t:DFFN
select -assert-count 1 t:DFFNC
select -assert-count 1 t:DFFNCE
-select -assert-count 0 t:DFFNE
+select -assert-count 1 t:DFFNE
select -assert-count 1 t:DFFNP
select -assert-count 1 t:DFFNPE
-select -assert-count 1 t:DFFNR
-select -assert-count 1 t:DFFNRE
+select -assert-count 0 t:DFFNR
+select -assert-count 0 t:DFFNRE
select -assert-count 2 t:DFFNS
select -assert-count 2 t:DFFNSE
select -assert-count 1 t:DFFP
select -assert-count 1 t:DFFPE
-select -assert-count 1 t:DFFR
-select -assert-count 1 t:DFFRE
+select -assert-count 0 t:DFFR
+select -assert-count 0 t:DFFRE
select -assert-count 2 t:DFFS
select -assert-count 2 t:DFFSE
+select -assert-count 12 t:LUT2
# check the expected leftover init values
# this would happen if your reset value is not the initial value
# which would be weird
-select -assert-count 16 a:init
+select -assert-count 8 a:init