From 259cc1391e1e53455d9919af453b78198454e13a Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Fri, 8 Nov 2013 11:40:36 +0100 Subject: More undef-propagation related fixes --- frontends/ast/genrtlil.cc | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'frontends/ast/genrtlil.cc') diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc index 2e8ab7492..25781ae23 100644 --- a/frontends/ast/genrtlil.cc +++ b/frontends/ast/genrtlil.cc @@ -1116,6 +1116,7 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint) detectSignWidth(width_hint, sign_hint); RTLIL::SigSpec left = children[0]->genRTLIL(width_hint, sign_hint); RTLIL::SigSpec right = children[1]->genRTLIL(width_hint, sign_hint); + #if 0 int width = std::max(left.width, right.width); if (width > width_hint && width_hint > 0) width = width_hint; @@ -1127,6 +1128,9 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint) if (type == AST_MUL) width = std::min(left.width + right.width, width_hint); } + #else + int width = std::max(std::max(left.width, right.width), width_hint); + #endif is_signed = children[0]->is_signed && children[1]->is_signed; return binop2rtlil(this, type_name, width, left, right); } -- cgit v1.2.3