luke/iverilog
1
0
Fork 0
mirror of https://github.com/steveicarus/iverilog.git synced 2026-08-29 01:03:29 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix implicit casts in assignments (part 1).

Browse Source 
This patch adds support for implicit casts to the elaborate_rval_expr()
function. This will handle the majority of cases where an implicit cast
can occur.
This commit is contained in:
Martin Whitaker
2013-03-24 10:14:07 -07:00
committed by Stephen Williams
parent 03ebd2f98d
commit 22769afd20
9 changed files with 123 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
eval_tree.cc
+33
View File
@@ -1591,6 +1591,39 @@ NetEConst* NetEUReduce::eval_arguments_(const NetExpr*ex) const
return tmp;
}
NetExpr* NetECast::eval_arguments_(const NetExpr*ex) const
{
NetExpr*res = 0;
switch (op_) {
case 'r':
if (const NetEConst*val = dynamic_cast<const NetEConst*>(ex)) {
verireal res_val = verireal(val->value().as_double());
res = new NetECReal(res_val);
}
break;
case '2':
if (const NetEConst*val = dynamic_cast<const NetEConst*>(ex)) {
verinum res_val(val->value());
res_val.cast_to_int2();
res = new NetEConst(res_val);
}
case 'v':
if (const NetECReal*val = dynamic_cast<const NetECReal*>(ex)) {
verinum res_val = verinum(val->value().as_double(), false);
res = new NetEConst(res_val);
}
break;
default:
ivl_assert(*this, 0);
return 0;
}
if (res == 0) return 0;
ivl_assert(*this, res);
eval_debug(this, res, op_ == 'r');
return res;
}
NetEConst* NetESFunc::evaluate_clog2_(const NetExpr*arg_) const
{
const NetEConst*tmpi = dynamic_cast<const NetEConst*>(arg_);