diff options
Diffstat (limited to 'frontends/ast/ast.h')
| -rw-r--r-- | frontends/ast/ast.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h index 8335db096..ec4f4f62b 100644 --- a/frontends/ast/ast.h +++ b/frontends/ast/ast.h @@ -190,7 +190,7 @@ namespace AST // simplify() creates a simpler AST by unrolling for-loops, expanding generate blocks, etc. // it also sets the id2ast pointers so that identifier lookups are fast in genRTLIL() - bool simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, int width_hint, bool sign_hint); + bool simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, int width_hint, bool sign_hint, bool in_param); void expand_genblock(std::string index_var, std::string prefix, std::map<std::string, std::string> &name_map); void replace_ids(std::map<std::string, std::string> &rules); void mem2reg_as_needed_pass1(std::map<AstNode*, std::set<std::string>> &mem2reg_places, @@ -198,6 +198,11 @@ namespace AST void mem2reg_as_needed_pass2(std::set<AstNode*> &mem2reg_set, AstNode *mod, AstNode *block); void meminfo(int &mem_width, int &mem_size, int &addr_bits); + // additional functionality for evaluating constant functions + struct varinfo_t { RTLIL::Const val; int offset; bool is_signed; }; + void replace_variables(std::map<std::string, varinfo_t> &variables, AstNode *fcall); + AstNode *eval_const_function(AstNode *fcall); + // create a human-readable text representation of the AST (for debugging) void dumpAst(FILE *f, std::string indent); void dumpVlog(FILE *f, std::string indent); |