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| author | Zachary Snow <zach@zachjs.com> | 2020-12-05 18:56:18 -0700 |
|---|---|---|
| committer | Zachary Snow <zach@zachjs.com> | 2020-12-22 17:01:03 -0700 |
| commit | 8206546c45d8fe74ac291a548fa372d1bd98f966 (patch) | |
| tree | 7c17d9863c63c27f022c45986624f2fc0e91656f /frontends/ast | |
| parent | 95c60866813e520da48c628d4f98a2fe2cb4db25 (diff) | |
| download | yosys-8206546c45d8fe74ac291a548fa372d1bd98f966.tar.gz yosys-8206546c45d8fe74ac291a548fa372d1bd98f966.tar.bz2 yosys-8206546c45d8fe74ac291a548fa372d1bd98f966.zip | |
Fix constants bound to single bit arguments (fixes #2383)
Diffstat (limited to 'frontends/ast')
| -rw-r--r-- | frontends/ast/simplify.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index fb6623f02..8cd459913 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -3337,6 +3337,14 @@ skip_dynamic_range_lvalue_expansion:; wire->type = AST_LOCALPARAM; wire->attributes.erase(ID::nosync); wire->children.insert(wire->children.begin(), arg->clone()); + // args without a range implicitly have width 1 + if (wire->children.back()->type != AST_RANGE) { + AstNode* range = new AstNode(); + range->type = AST_RANGE; + wire->children.push_back(range); + range->children.push_back(mkconst_int(0, true)); + range->children.push_back(mkconst_int(0, true)); + } continue; } AstNode *wire_id = new AstNode(AST_IDENTIFIER); |