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-rw-r--r--passes/pmgen/xilinx_dsp_cascade.pmg4
1 files changed, 2 insertions, 2 deletions
diff --git a/passes/pmgen/xilinx_dsp_cascade.pmg b/passes/pmgen/xilinx_dsp_cascade.pmg
index 714316808..6f4ac5849 100644
--- a/passes/pmgen/xilinx_dsp_cascade.pmg
+++ b/passes/pmgen/xilinx_dsp_cascade.pmg
@@ -146,7 +146,7 @@ code next
endcode
code argQ clock AREG
- AREG = 0;
+ AREG = -1;
if (next) {
Cell *prev = std::get<0>(chain.back());
if (param(prev, \AREG, 2).as_int() > 0 &&
@@ -175,7 +175,7 @@ reject_AREG: ;
endcode
code argQ clock BREG
- BREG = 0;
+ BREG = -1;
if (next) {
Cell *prev = std::get<0>(chain.back());
if (param(prev, \BREG, 2).as_int() > 0 &&