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-rw-r--r--frontends/ast/genrtlil.cc20
-rw-r--r--frontends/ast/simplify.cc8
2 files changed, 16 insertions, 12 deletions
diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc
index c0539252c..ab368fdb0 100644
--- a/frontends/ast/genrtlil.cc
+++ b/frontends/ast/genrtlil.cc
@@ -1326,20 +1326,25 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
{
if (width_hint < 0)
detectSignWidth(width_hint, sign_hint);
+ is_signed = sign_hint;
RTLIL::SigSpec cond = children[0]->genRTLIL();
RTLIL::SigSpec sig;
- if (cond.is_fully_const()) {
+
+ if (cond.is_fully_def())
+ {
if (cond.as_bool()) {
sig = children[1]->genRTLIL(width_hint, sign_hint);
- widthExtend(this, sig, sig.size(), children[1]->is_signed);
- }
- else {
+ log_assert(is_signed == children[1]->is_signed);
+ } else {
sig = children[2]->genRTLIL(width_hint, sign_hint);
- widthExtend(this, sig, sig.size(), children[2]->is_signed);
+ log_assert(is_signed == children[2]->is_signed);
}
+
+ widthExtend(this, sig, sig.size(), is_signed);
}
- else {
+ else
+ {
RTLIL::SigSpec val1 = children[1]->genRTLIL(width_hint, sign_hint);
RTLIL::SigSpec val2 = children[2]->genRTLIL(width_hint, sign_hint);
@@ -1347,7 +1352,8 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
cond = uniop2rtlil(this, ID($reduce_bool), 1, cond, false);
int width = max(val1.size(), val2.size());
- is_signed = children[1]->is_signed && children[2]->is_signed;
+ log_assert(is_signed == children[1]->is_signed);
+ log_assert(is_signed == children[2]->is_signed);
widthExtend(this, val1, width, is_signed);
widthExtend(this, val2, width, is_signed);
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index ced5e5cf9..cb89f58ba 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -931,9 +931,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
);
}
//start building attribute string
- std::string enum_item_str = "\\enum_";
- enum_item_str.append(std::to_string(width));
- enum_item_str.append("_");
+ std::string enum_item_str = "\\enum_value_";
//get enum item value
if(enum_item->children[0]->type != AST_CONSTANT){
log_error("expected const, got %s for %s (%s)\n",
@@ -941,8 +939,8 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
enum_item->str.c_str(), enum_node->str.c_str()
);
}
- int val = enum_item->children[0]->asInt(is_signed);
- enum_item_str.append(std::to_string(val));
+ RTLIL::Const val = enum_item->children[0]->bitsAsConst(width, is_signed);
+ enum_item_str.append(val.as_string());
//set attribute for available val to enum item name mappings
attributes[enum_item_str.c_str()] = mkconst_str(enum_item->str);
}