From: Eddie Hung <eddie@fpgeh.com>
Date: Fri, 19 Jul 2019 20:54:57 +0000 (-0700)
Subject: Add an SigSpec::at(offset, defval) convenience method
X-Git-Tag: working-ls180~1163^2~10
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=54708dfbd786032e841f48f15af4875c1eabbbfe;p=yosys.git

Add an SigSpec::at(offset, defval) convenience method
---

diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index 82cbfaf28..f9412e776 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -818,6 +818,7 @@ public:
 
 	operator std::vector<RTLIL::SigChunk>() const { return chunks(); }
 	operator std::vector<RTLIL::SigBit>() const { return bits(); }
+	RTLIL::SigBit at(int offset, const RTLIL::SigBit &defval) { return offset < width_ ? (*this)[offset] : defval; }
 
 	unsigned int hash() const { if (!hash_) updhash(); return hash_; };