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authorClaire Wolf <clifford@clifford.at>2020-01-28 17:40:28 +0100
committerGitHub <noreply@github.com>2020-01-28 17:40:28 +0100
commit4ddaa70fd6363096bf0cb1bc5e7cb8fa8ed21ad2 (patch)
tree1ee2ffb6abec353f6a04a878c4ef60449576669e /tests
parent086c133ea58179b1b1a14bff972355c68f926e8d (diff)
parent4a805108776f563bcd7550d1331a73a50512fbe2 (diff)
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Merge pull request #1567 from YosysHQ/eddie/sat_init_warning
sat: suppress 'Warning: ignoring initial value on non-register: ...' when init[i] = 1'bx
Diffstat (limited to 'tests')
-rw-r--r--tests/sat/initval.ys11
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/sat/initval.ys b/tests/sat/initval.ys
index 2079d2f34..1436724b0 100644
--- a/tests/sat/initval.ys
+++ b/tests/sat/initval.ys
@@ -2,3 +2,14 @@ read_verilog -sv initval.v
proc;;
sat -seq 10 -prove-asserts
+
+design -reset
+read_verilog -icells <<EOT
+module top(input clk, i, output [1:0] o);
+(* init = 2'bx0 *)
+wire [1:0] o;
+assign o[1] = o[0];
+$_DFF_P_ dff (.C(clk), .D(i), .Q(o[0]));
+endmodule
+EOT
+sat -seq 1