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Don't apply shifter assertions to rotates

This commit is contained in:
Luke Wren 2021-12-06 18:12:23 +00:00
parent ac9285846f
commit 0b3629564c
1 changed files with 3 additions and 3 deletions
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6
hdl/arith/hazard3_shift_barrel.v
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@ -61,11 +61,11 @@ end
`ifdef FORMAL `ifdef FORMAL
always @ (*) begin always @ (*) begin
if (right_nleft && arith) begin: asr if (right_nleft && arith && !rotate) begin: asr
assert($signed(dout) == $signed(din) >>> $signed(shamt)); assert($signed(dout) == $signed(din) >>> $signed(shamt));
end else if (right_nleft && !arith) begin end else if (right_nleft && !arith && !rotate) begin
assert(dout == din >> shamt); assert(dout == din >> shamt);
end else if (!right_nleft && !arith) begin end else if (!right_nleft && !arith && !rotate) begin
assert(dout == din << shamt); assert(dout == din << shamt);
end end
end end