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Diffstat (limited to 'test/passes/jacktest/LFSR16.fir')
| -rw-r--r-- | test/passes/jacktest/LFSR16.fir | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/passes/jacktest/LFSR16.fir b/test/passes/jacktest/LFSR16.fir new file mode 100644 index 00000000..f45002f5 --- /dev/null +++ b/test/passes/jacktest/LFSR16.fir @@ -0,0 +1,21 @@ +; RUN: firrtl -i %s -o %s.flo -X flo -p c | tee %s.out | FileCheck %s +;CHECK: Done! +circuit LFSR16 : + module LFSR16 : + output out : UInt<16> + input inc : UInt<1> + + reg res : UInt<16> + on-reset res := UInt<16>(1) + when inc : + node T_16 = bit(res, 0) + node T_17 = bit(res, 2) + node T_18 = bit-xor(T_16, T_17) + node T_19 = bit(res, 3) + node T_20 = bit-xor(T_18, T_19) + node T_21 = bit(res, 5) + node T_22 = bit-xor(T_20, T_21) + node T_23 = bits(res, 15, 1) + node T_24 = cat(T_22, T_23) + res := T_24 + out := res |