From 6c4cbc03c2bad021c78da85f97bea1ef7c8caea0 Mon Sep 17 00:00:00 2001 From: Johann Glaser Date: Tue, 20 Aug 2013 11:23:59 +0200 Subject: Added support for notif0/notif1 primitives --- frontends/ast/simplify.cc | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'frontends/ast/simplify.cc') diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 1d381740..5f0e6867 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -498,7 +498,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage) } children.clear(); - if (str == "bufif0" || str == "bufif1") + if (str == "bufif0" || str == "bufif1" || str == "notif0" || str == "notif1") { if (children_list.size() != 3) log_error("Invalid number of arguments for primitive `%s' at %s:%d!\n", @@ -506,12 +506,16 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage) std::vector z_const(1, RTLIL::State::Sz); + AstNode *mux_input = children_list.at(1); + if (str == "notif0" || str == "notif1") { + mux_input = new AstNode(AST_BIT_NOT, mux_input); + } AstNode *node = new AstNode(AST_TERNARY, children_list.at(2)); if (str == "bufif0") { node->children.push_back(AstNode::mkconst_bits(z_const, false)); - node->children.push_back(children_list.at(1)); + node->children.push_back(mux_input); } else { - node->children.push_back(children_list.at(1)); + node->children.push_back(mux_input); node->children.push_back(AstNode::mkconst_bits(z_const, false)); } -- cgit v1.2.3