diff options
Diffstat (limited to 'frontends/ast/ast.h')
| -rw-r--r-- | frontends/ast/ast.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h index 504ec5f2..37f75454 100644 --- a/frontends/ast/ast.h +++ b/frontends/ast/ast.h @@ -164,7 +164,7 @@ 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); + bool simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, int width_hint, bool sign_hint); 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::set<AstNode*> &mem2reg_set, std::set<AstNode*> &mem2reg_candidates, bool sync_proc, bool async_proc, bool force_mem2reg); @@ -193,6 +193,10 @@ namespace AST // helper functions for creating AST nodes for constants static AstNode *mkconst_int(uint32_t v, bool is_signed, int width = 32); static AstNode *mkconst_bits(const std::vector<RTLIL::State> &v, bool is_signed); + + // helper function for creating sign-extended const objects + RTLIL::Const bitsAsConst(int width, bool is_signed); + RTLIL::Const bitsAsConst(int width = -1); }; // process an AST tree (ast must point to an AST_DESIGN node) and generate RTLIL code |