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authorClifford Wolf <clifford@clifford.at>2019-02-24 20:09:41 +0100
committerClifford Wolf <clifford@clifford.at>2019-02-24 20:09:41 +0100
commit1816fe06af9ab2c50bd293dc10359238acc88f12 (patch)
tree00efc3732f55f86499e4f3a8f3f26e3604a6b399 /frontends/ast/simplify.cc
parenta516b4fb5af0d8389fa8aede95ae5a76bec13dcf (diff)
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Fix handling of defparam for when default_nettype is none
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'frontends/ast/simplify.cc')
-rw-r--r--frontends/ast/simplify.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 737fb300c..46013544b 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -642,6 +642,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
// (iterate by index as e.g. auto wires can add new children in the process)
for (size_t i = 0; i < children.size(); i++) {
bool did_something_here = true;
+ bool backup_flag_autowire = flag_autowire;
if ((type == AST_GENFOR || type == AST_FOR) && i >= 3)
break;
if ((type == AST_GENIF || type == AST_GENCASE) && i >= 1)
@@ -652,6 +653,8 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
break;
if (type == AST_PREFIX && i >= 1)
break;
+ if (type == AST_DEFPARAM && i == 0)
+ flag_autowire = true;
while (did_something_here && i < children.size()) {
bool const_fold_here = const_fold, in_lvalue_here = in_lvalue;
int width_hint_here = width_hint;
@@ -686,6 +689,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
children.erase(children.begin() + (i--));
did_something = true;
}
+ flag_autowire = backup_flag_autowire;
}
for (auto &attr : attributes) {
while (attr.second->simplify(true, false, false, stage, -1, false, true))