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-rw-r--r--passes/pmgen/ice40_dsp.pmg4
1 files changed, 2 insertions, 2 deletions
diff --git a/passes/pmgen/ice40_dsp.pmg b/passes/pmgen/ice40_dsp.pmg
index 35db22807..09fd8406d 100644
--- a/passes/pmgen/ice40_dsp.pmg
+++ b/passes/pmgen/ice40_dsp.pmg
@@ -188,7 +188,7 @@ match add
select nusers(port(add, AB)) == 2
index <SigBit> port(add, AB)[0] === sigH[0]
filter GetSize(port(add, AB)) <= GetSize(sigH)
- filter port(add, AB) == sigH.extract(0, GetSize(port(add, AB)))
+ filter port(add, AB) == sigH.extract(0, GetSize(port(add, AB)))
filter nusers(sigH.extract_end(GetSize(port(add, AB)))) <= 1
set addAB AB
optional
@@ -280,7 +280,7 @@ code argD ffO ffOholdmux ffOrstmux ffOholdpol ffOrstpol sigO sigCD clock clock_p
endcode
code argQ ffCD ffCDholdmux ffCDholdpol ffCDrstpol sigCD clock clock_pol
- if (!sigCD.empty() &&
+ if (!sigCD.empty() && sigCD != sigO &&
(mul->type != \SB_MAC16 || (!param(mul, \C_REG).as_bool() && !param(mul, \D_REG).as_bool()))) {
argQ = sigCD;
subpattern(in_dffe);