diff options
Diffstat (limited to 'frontends')
| -rw-r--r-- | frontends/ast/ast.h | 3 | ||||
| -rw-r--r-- | frontends/ast/genrtlil.cc | 4 | ||||
| -rw-r--r-- | frontends/ast/simplify.cc | 4 |
3 files changed, 10 insertions, 1 deletions
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h index 2bda8fa92..60c7de32d 100644 --- a/frontends/ast/ast.h +++ b/frontends/ast/ast.h @@ -370,6 +370,9 @@ namespace AST // Helper for setting the src attribute. void set_src_attr(RTLIL::AttrObject *obj, const AstNode *ast); + + // struct helper exposed from simplify for genrtlil + AstNode *make_struct_member_range(AstNode *node, AstNode *member_node); } namespace AST_INTERNAL diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc index e6f7b30c1..29d0bddef 100644 --- a/frontends/ast/genrtlil.cc +++ b/frontends/ast/genrtlil.cc @@ -812,6 +812,10 @@ void AstNode::detectSignWidthWorker(int &width_hint, bool &sign_hint, bool *foun this_width = id_ast->children[0]->range_left - id_ast->children[0]->range_right + 1; if (children.size() > 1) range = children[1]; + } else if (id_ast->type == AST_STRUCT_ITEM) { + AstNode *tmp_range = make_struct_member_range(this, id_ast); + this_width = tmp_range->range_left - tmp_range->range_right + 1; + delete tmp_range; } else log_file_error(filename, location.first_line, "Failed to detect width for identifier %s!\n", str.c_str()); if (range) { diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 695fc429d..5845c0501 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -456,7 +456,7 @@ static AstNode *slice_range(AstNode *rnode, AstNode *snode) } -static AstNode *make_struct_member_range(AstNode *node, AstNode *member_node) +AstNode *AST::make_struct_member_range(AstNode *node, AstNode *member_node) { // Work out the range in the packed array that corresponds to a struct member // taking into account any range operations applicable to the current node @@ -1693,6 +1693,8 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, newNode = new AstNode(AST_IDENTIFIER, range); newNode->str = sname; newNode->basic_prep = true; + if (item_node->is_signed) + newNode = new AstNode(AST_TO_SIGNED, newNode); goto apply_newNode; } } |