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Enabled AST/Verilog front-end optimizations per default

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This commit is contained in:
Clifford Wolf 2013-06-10 13:19:04 +02:00
parent af79b4bd98
commit db98a18edb
5 changed files with 30 additions and 11 deletions
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6
frontends/ast/ast.h
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@ -190,13 +190,13 @@ namespace AST
};
// process an AST tree (ast must point to an AST_DESIGN node) and generate RTLIL code
void process(RTLIL::Design *design, AstNode *ast, bool dump_ast = false, bool dump_ast_diff = false, bool dump_vlog = false, bool nolatches = false, bool nomem2reg = false, bool mem2reg = false, bool lib = false);
void process(RTLIL::Design *design, AstNode *ast, bool dump_ast = false, bool dump_ast_diff = false, bool dump_vlog = false, bool nolatches = false, bool nomem2reg = false, bool mem2reg = false, bool lib = false, bool noopt = false);
// parametric modules are supported directly by the AST library
// therfore we need our own derivate of RTLIL::Module with overloaded virtual functions
struct AstModule : RTLIL::Module {
AstNode *ast;
bool nolatches, nomem2reg, mem2reg, lib;
bool nolatches, nomem2reg, mem2reg, lib, noopt;
virtual ~AstModule();
virtual RTLIL::IdString derive(RTLIL::Design *design, std::map<RTLIL::IdString, RTLIL::Const> parameters);
virtual void update_auto_wires(std::map<RTLIL::IdString, int> auto_sizes);
@ -218,7 +218,7 @@ namespace AST
namespace AST_INTERNAL
{
// internal state variables
extern bool flag_dump_ast, flag_dump_ast_diff, flag_nolatches, flag_nomem2reg, flag_mem2reg, flag_lib;
extern bool flag_dump_ast, flag_dump_ast_diff, flag_nolatches, flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt;
extern AST::AstNode *current_ast, *current_ast_mod;
extern std::map<std::string, AST::AstNode*> current_scope;
extern RTLIL::SigSpec *genRTLIL_subst_from, *genRTLIL_subst_to, ignoreThisSignalsInInitial;