diff options
Diffstat (limited to 'frontends')
-rw-r--r-- | frontends/aiger/aigerparse.cc | 14 | ||||
-rw-r--r-- | frontends/aiger/aigerparse.h | 2 | ||||
-rw-r--r-- | frontends/ast/genrtlil.cc | 2 | ||||
-rw-r--r-- | frontends/ast/simplify.cc | 25 | ||||
-rw-r--r-- | frontends/ilang/ilang_lexer.l | 4 | ||||
-rw-r--r-- | frontends/verific/verific.cc | 7 | ||||
-rw-r--r-- | frontends/verilog/verilog_lexer.l | 15 | ||||
-rw-r--r-- | frontends/verilog/verilog_parser.y | 79 |
8 files changed, 95 insertions, 53 deletions
diff --git a/frontends/aiger/aigerparse.cc b/frontends/aiger/aigerparse.cc index 6fda92d73..d25587e48 100644 --- a/frontends/aiger/aigerparse.cc +++ b/frontends/aiger/aigerparse.cc @@ -454,6 +454,14 @@ void AigerReader::parse_xaiger() for (unsigned i = 0; i < flopNum; i++) mergeability.emplace_back(parse_xaiger_literal(f)); } + else if (c == 's') { + uint32_t dataSize YS_ATTRIBUTE(unused) = parse_xaiger_literal(f); + flopNum = parse_xaiger_literal(f); + log_assert(dataSize == (flopNum+1) * sizeof(uint32_t)); + initial_state.reserve(flopNum); + for (unsigned i = 0; i < flopNum; i++) + initial_state.emplace_back(parse_xaiger_literal(f)); + } else if (c == 'n') { parse_xaiger_literal(f); f >> s; @@ -767,6 +775,7 @@ void AigerReader::post_process() } } + dict<int, Wire*> mergeability_to_clock; for (uint32_t i = 0; i < flopNum; i++) { RTLIL::Wire *d = outputs[outputs.size() - flopNum + i]; log_assert(d); @@ -778,10 +787,9 @@ void AigerReader::post_process() log_assert(q->port_input); q->port_input = false; - auto ff = module->addCell(NEW_ID, ID($__ABC9_FF_)); - ff->setPort(ID::D, d); - ff->setPort(ID::Q, q); + Cell* ff = module->addFfGate(NEW_ID, d, q); ff->attributes[ID::abc9_mergeability] = mergeability[i]; + q->attributes[ID::init] = initial_state[i]; } dict<RTLIL::IdString, std::pair<int,int>> wideports_cache; diff --git a/frontends/aiger/aigerparse.h b/frontends/aiger/aigerparse.h index 46ac81212..251a24977 100644 --- a/frontends/aiger/aigerparse.h +++ b/frontends/aiger/aigerparse.h @@ -45,7 +45,7 @@ struct AigerReader std::vector<RTLIL::Wire*> outputs; std::vector<RTLIL::Wire*> bad_properties; std::vector<RTLIL::Cell*> boxes; - std::vector<int> mergeability; + std::vector<int> mergeability, initial_state; AigerReader(RTLIL::Design *design, std::istream &f, RTLIL::IdString module_name, RTLIL::IdString clk_name, std::string map_filename, bool wideports); void parse_aiger(); diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc index 83f34c9e1..fa16b2f2f 100644 --- a/frontends/ast/genrtlil.cc +++ b/frontends/ast/genrtlil.cc @@ -1057,7 +1057,7 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint) if (!range_valid) log_file_error(filename, location.first_line, "Signal `%s' with non-constant width!\n", str.c_str()); - if (!(range_left >= range_right || (range_left == -1 && range_right == 0))) + if (!(range_left + 1 >= range_right)) log_file_error(filename, location.first_line, "Signal `%s' with invalid width range %d!\n", str.c_str(), range_left - range_right + 1); RTLIL::Wire *wire = current_module->addWire(str, range_left - range_right + 1); diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index e8ac4b2f2..e88331621 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1256,7 +1256,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, } if (old_range_valid != range_valid) did_something = true; - if (range_valid && range_left >= 0 && range_right > range_left) { + if (range_valid && range_right > range_left) { int tmp = range_right; range_right = range_left; range_left = tmp; @@ -1274,6 +1274,25 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, range_swapped = children[0]->range_swapped; range_left = children[0]->range_left; range_right = children[0]->range_right; + bool force_upto = false, force_downto = false; + if (attributes.count(ID::force_upto)) { + AstNode *val = attributes[ID::force_upto]; + if (val->type != AST_CONSTANT) + log_file_error(filename, location.first_line, "Attribute `force_upto' with non-constant value!\n"); + force_upto = val->asAttrConst().as_bool(); + } + if (attributes.count(ID::force_downto)) { + AstNode *val = attributes[ID::force_downto]; + if (val->type != AST_CONSTANT) + log_file_error(filename, location.first_line, "Attribute `force_downto' with non-constant value!\n"); + force_downto = val->asAttrConst().as_bool(); + } + if (force_upto && force_downto) + log_file_error(filename, location.first_line, "Attributes `force_downto' and `force_upto' cannot be both set!\n"); + if ((force_upto && !range_swapped) || (force_downto && range_swapped)) { + std::swap(range_left, range_right); + range_swapped = force_upto; + } } } else { if (!range_valid) @@ -3719,8 +3738,8 @@ void AstNode::mem2reg_as_needed_pass1(dict<AstNode*, pool<std::string>> &mem2reg } } - // also activate if requested, either by using mem2reg attribute or by declaring array as 'wire' instead of 'reg' - if (type == AST_MEMORY && (get_bool_attribute(ID::mem2reg) || (flags & AstNode::MEM2REG_FL_ALL) || !is_reg)) + // also activate if requested, either by using mem2reg attribute or by declaring array as 'wire' instead of 'reg' or 'logic' + if (type == AST_MEMORY && (get_bool_attribute(ID::mem2reg) || (flags & AstNode::MEM2REG_FL_ALL) || !(is_reg || is_logic))) mem2reg_candidates[this] |= AstNode::MEM2REG_FL_FORCED; if (type == AST_MODULE && get_bool_attribute(ID::mem2reg)) diff --git a/frontends/ilang/ilang_lexer.l b/frontends/ilang/ilang_lexer.l index 62f53d18e..3362ed641 100644 --- a/frontends/ilang/ilang_lexer.l +++ b/frontends/ilang/ilang_lexer.l @@ -91,8 +91,10 @@ USING_YOSYS_NAMESPACE [0-9]+'[01xzm-]* { rtlil_frontend_ilang_yylval.string = strdup(yytext); return TOK_VALUE; } -?[0-9]+ { char *end = nullptr; + errno = 0; long value = strtol(yytext, &end, 10); - if (end != yytext + strlen(yytext)) + log_assert(end == yytext + strlen(yytext)); + if (errno == ERANGE) return TOK_INVALID; // literal out of range of long if (value < INT_MIN || value > INT_MAX) return TOK_INVALID; // literal out of range of int (relevant mostly for LP64 platforms) diff --git a/frontends/verific/verific.cc b/frontends/verific/verific.cc index fe4bda68e..cb0368fd5 100644 --- a/frontends/verific/verific.cc +++ b/frontends/verific/verific.cc @@ -974,6 +974,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se module->memories[memory->name] = memory; int number_of_bits = net->Size(); + number_of_bits = 1 << ceil_log2(number_of_bits); int bits_in_word = number_of_bits; FOREACH_PORTREF_OF_NET(net, si, pr) { if (pr->GetInst()->Type() == OPER_READ_PORT) { @@ -1265,9 +1266,6 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se int numchunks = int(inst->OutputSize()) / memory->width; int chunksbits = ceil_log2(numchunks); - if ((numchunks * memory->width) != int(inst->OutputSize()) || (numchunks & (numchunks - 1)) != 0) - log_error("Import of asymmetric memories of this type is not supported yet: %s %s\n", inst->Name(), inst->GetInput()->Name()); - for (int i = 0; i < numchunks; i++) { RTLIL::SigSpec addr = {operatorInput1(inst), RTLIL::Const(i, chunksbits)}; @@ -1295,9 +1293,6 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se int numchunks = int(inst->Input2Size()) / memory->width; int chunksbits = ceil_log2(numchunks); - if ((numchunks * memory->width) != int(inst->Input2Size()) || (numchunks & (numchunks - 1)) != 0) - log_error("Import of asymmetric memories of this type is not supported yet: %s %s\n", inst->Name(), inst->GetOutput()->Name()); - for (int i = 0; i < numchunks; i++) { RTLIL::SigSpec addr = {operatorInput1(inst), RTLIL::Const(i, chunksbits)}; diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l index 6217b5728..e6fa6361e 100644 --- a/frontends/verilog/verilog_lexer.l +++ b/frontends/verilog/verilog_lexer.l @@ -48,16 +48,18 @@ USING_YOSYS_NAMESPACE using namespace AST; using namespace VERILOG_FRONTEND; +#define YYSTYPE FRONTEND_VERILOG_YYSTYPE +#define YYLTYPE FRONTEND_VERILOG_YYLTYPE + YOSYS_NAMESPACE_BEGIN namespace VERILOG_FRONTEND { std::vector<std::string> fn_stack; std::vector<int> ln_stack; + YYLTYPE real_location; + YYLTYPE old_location; } YOSYS_NAMESPACE_END -#define YYSTYPE FRONTEND_VERILOG_YYSTYPE -#define YYLTYPE FRONTEND_VERILOG_YYLTYPE - #define SV_KEYWORD(_tok) \ if (sv_mode) return _tok; \ log("Lexer warning: The SystemVerilog keyword `%s' (at %s:%d) is not "\ @@ -73,9 +75,6 @@ YOSYS_NAMESPACE_END #define YY_INPUT(buf,result,max_size) \ result = readsome(*VERILOG_FRONTEND::lexin, buf, max_size) -YYLTYPE real_location; -YYLTYPE old_location; - #define YY_USER_ACTION \ old_location = real_location; \ real_location.first_line = real_location.last_line; \ @@ -128,7 +127,9 @@ static bool isUserType(std::string &s) %x BASED_CONST %% - int comment_caller; + // Initialise comment_caller to something to avoid a "maybe undefined" + // warning from GCC. + int comment_caller = INITIAL; <INITIAL,SYNOPSYS_TRANSLATE_OFF>"`file_push "[^\n]* { fn_stack.push_back(current_filename); diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index e72d09524..c4867356c 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -886,7 +886,19 @@ task_func_port: albuf = $1; astbuf1 = $2; astbuf2 = checkRange(astbuf1, $3); - } wire_name | wire_name; + } wire_name | + { + if (!astbuf1) { + if (!sv_mode) + frontend_verilog_yyerror("task/function argument direction missing"); + albuf = new dict<IdString, AstNode*>; + astbuf1 = new AstNode(AST_WIRE); + current_wire_rand = false; + current_wire_const = false; + astbuf1->is_input = true; + astbuf2 = NULL; + } + } wire_name; task_func_body: task_func_body behavioral_stmt | @@ -2299,49 +2311,56 @@ assert_property: }; simple_behavioral_stmt: - lvalue '=' delay expr { - AstNode *node = new AstNode(AST_ASSIGN_EQ, $1, $4); + attr lvalue '=' delay expr { + AstNode *node = new AstNode(AST_ASSIGN_EQ, $2, $5); ast_stack.back()->children.push_back(node); - SET_AST_NODE_LOC(node, @1, @4); + SET_AST_NODE_LOC(node, @2, @5); + append_attr(node, $1); } | - lvalue TOK_INCREMENT { - AstNode *node = new AstNode(AST_ASSIGN_EQ, $1, new AstNode(AST_ADD, $1->clone(), AstNode::mkconst_int(1, true))); + attr lvalue TOK_INCREMENT { + AstNode *node = new AstNode(AST_ASSIGN_EQ, $2, new AstNode(AST_ADD, $2->clone(), AstNode::mkconst_int(1, true))); ast_stack.back()->children.push_back(node); - SET_AST_NODE_LOC(node, @1, @2); + SET_AST_NODE_LOC(node, @2, @3); + append_attr(node, $1); } | - lvalue TOK_DECREMENT { - AstNode *node = new AstNode(AST_ASSIGN_EQ, $1, new AstNode(AST_SUB, $1->clone(), AstNode::mkconst_int(1, true))); + attr lvalue TOK_DECREMENT { + AstNode *node = new AstNode(AST_ASSIGN_EQ, $2, new AstNode(AST_SUB, $2->clone(), AstNode::mkconst_int(1, true))); ast_stack.back()->children.push_back(node); - SET_AST_NODE_LOC(node, @1, @2); + SET_AST_NODE_LOC(node, @2, @3); + append_attr(node, $1); } | - lvalue OP_LE delay expr { - AstNode *node = new AstNode(AST_ASSIGN_LE, $1, $4); + attr lvalue OP_LE delay expr { + AstNode *node = new AstNode(AST_ASSIGN_LE, $2, $5); ast_stack.back()->children.push_back(node); - SET_AST_NODE_LOC(node, @1, @4); + SET_AST_NODE_LOC(node, @2, @5); + append_attr(node, $1); }; // this production creates the obligatory if-else shift/reduce conflict behavioral_stmt: defattr | assert | wire_decl | param_decl | localparam_decl | typedef_decl | non_opt_delay behavioral_stmt | - simple_behavioral_stmt ';' | ';' | - hierarchical_id attr { + simple_behavioral_stmt ';' | + attr ';' { + free_attr($1); + } | + attr hierarchical_id { AstNode *node = new AstNode(AST_TCALL); - node->str = *$1; - delete $1; + node->str = *$2; + delete $2; ast_stack.back()->children.push_back(node); ast_stack.push_back(node); - append_attr(node, $2); + append_attr(node, $1); } opt_arg_list ';'{ ast_stack.pop_back(); } | - TOK_MSG_TASKS attr { + attr TOK_MSG_TASKS { AstNode *node = new AstNode(AST_TCALL); - node->str = *$1; - delete $1; + node->str = *$2; + delete $2; ast_stack.back()->children.push_back(node); ast_stack.push_back(node); - append_attr(node, $2); + append_attr(node, $1); } opt_arg_list ';'{ ast_stack.pop_back(); } | @@ -2438,8 +2457,6 @@ behavioral_stmt: ast_stack.pop_back(); }; - ; - unique_case_attr: /* empty */ { $$ = false; @@ -2534,7 +2551,7 @@ gen_case_item: } case_select { case_type_stack.push_back(0); SET_AST_NODE_LOC(ast_stack.back(), @2, @2); - } gen_stmt_or_null { + } gen_stmt_block { case_type_stack.pop_back(); ast_stack.pop_back(); }; @@ -2626,7 +2643,10 @@ module_gen_body: /* empty */; gen_stmt_or_module_body_stmt: - gen_stmt | module_body_stmt; + gen_stmt | module_body_stmt | + attr ';' { + free_attr($1); + }; // this production creates the obligatory if-else shift/reduce conflict gen_stmt: @@ -2648,7 +2668,7 @@ gen_stmt: AstNode *block = new AstNode(AST_GENBLOCK); ast_stack.back()->children.push_back(block); ast_stack.push_back(block); - } gen_stmt_or_null { + } gen_stmt_block { ast_stack.pop_back(); } opt_gen_else { SET_AST_NODE_LOC(ast_stack.back(), @1, @7); @@ -2698,11 +2718,8 @@ gen_stmt_block: ast_stack.pop_back(); }; -gen_stmt_or_null: - gen_stmt_block | ';'; - opt_gen_else: - TOK_ELSE gen_stmt_or_null | /* empty */ %prec FAKE_THEN; + TOK_ELSE gen_stmt_block | /* empty */ %prec FAKE_THEN; expr: basic_expr { |