mirror of https://github.com/YosysHQ/yosys.git
Made "write_smt2 -bv -mem" default, added "write_smt2 -nobv -nomem"
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@ -810,9 +810,9 @@ struct Smt2Backend : public Backend {
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log("The '<mod>_s' sort represents a module state. Additional '<mod>_n' functions\n");
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log("are provided that can be used to access the values of the signals in the module.\n");
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log("By default only ports, registers, and wires with the 'keep' attribute set are\n");
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log("made available via such functions. Without the -bv option, multi-bit wires are\n");
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log("exported as separate functions of type Bool for the individual bits. With the\n");
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log("-bv option multi-bit wires are exported as single functions of type BitVec.\n");
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log("made available via such functions. With the -nobv option, multi-bit wires are\n");
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log("exported as separate functions of type Bool for the individual bits. Without\n");
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log("-nobv multi-bit wires are exported as single functions of type BitVec.\n");
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log("\n");
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log("The '<mod>_t' function evaluates to 'true' when the given pair of states\n");
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log("describes a valid state transition.\n");
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@ -835,14 +835,14 @@ struct Smt2Backend : public Backend {
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log(" -verbose\n");
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log(" this will print the recursive walk used to export the modules.\n");
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log("\n");
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log(" -bv\n");
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log(" enable support for BitVec (FixedSizeBitVectors theory). with this\n");
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log(" -nobv\n");
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log(" disable support for BitVec (FixedSizeBitVectors theory). with this\n");
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log(" option set multi-bit wires are represented using the BitVec sort and\n");
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log(" support for coarse grain cells (incl. arithmetic) is enabled.\n");
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log("\n");
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log(" -mem\n");
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log(" enable support for memories (via ArraysEx theory). this option\n");
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log(" also implies -bv. only $mem cells without merged registers in\n");
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log(" -nomem\n");
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log(" disable support for memories (via ArraysEx theory). this option is\n");
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log(" implied by -nobv. only $mem cells without merged registers in\n");
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log(" read ports are supported. call \"memory\" with -nordff to make sure\n");
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log(" that no registers are merged into $mem read ports. '<mod>_m' functions\n");
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log(" will be generated for accessing the arrays that are used to represent\n");
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@ -908,7 +908,7 @@ struct Smt2Backend : public Backend {
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virtual void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
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{
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std::ifstream template_f;
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bool bvmode = false, memmode = false, wiresmode = false, verbose = false;
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bool bvmode = true, memmode = true, wiresmode = false, verbose = false;
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log_header(design, "Executing SMT2 backend.\n");
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@ -921,13 +921,17 @@ struct Smt2Backend : public Backend {
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log_error("Can't open template file `%s'.\n", args[argidx].c_str());
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continue;
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}
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if (args[argidx] == "-bv") {
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bvmode = true;
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if (args[argidx] == "-bv" || args[argidx] == "-mem") {
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log_warning("Options -bv and -mem are now the default. Support for -bv and -mem will be removed in the future.\n");
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continue;
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}
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if (args[argidx] == "-mem") {
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bvmode = true;
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memmode = true;
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if (args[argidx] == "-nobv") {
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bvmode = false;
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memmode = false;
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continue;
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}
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if (args[argidx] == "-nomem") {
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bvmode = false;
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continue;
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}
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if (args[argidx] == "-wires") {
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@ -17,16 +17,16 @@ demo4: demo4.smt2
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yosys-smtbmc -s yices --dump-vcd demo4.vcd --smtc demo4.smtc demo4.smt2
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demo1.smt2: demo1.v
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yosys -ql demo1.yslog -p 'read_verilog -formal demo1.v; prep -top demo1 -nordff; write_smt2 -wires -mem -bv demo1.smt2'
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yosys -ql demo1.yslog -p 'read_verilog -formal demo1.v; prep -top demo1 -nordff; write_smt2 -wires demo1.smt2'
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demo2.smt2: demo2.v
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yosys -ql demo2.yslog -p 'read_verilog -formal demo2.v; prep -top demo2 -nordff; write_smt2 -wires -mem -bv demo2.smt2'
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yosys -ql demo2.yslog -p 'read_verilog -formal demo2.v; prep -top demo2 -nordff; write_smt2 -wires demo2.smt2'
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demo3.smt2: demo3.v
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yosys -ql demo3.yslog -p 'read_verilog -formal demo3.v; prep -top demo3 -nordff; write_smt2 -wires -mem -bv demo3.smt2'
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yosys -ql demo3.yslog -p 'read_verilog -formal demo3.v; prep -top demo3 -nordff; write_smt2 -wires demo3.smt2'
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demo4.smt2: demo4.v
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yosys -ql demo4.yslog -p 'read_verilog -formal demo4.v; prep -top demo4 -nordff; write_smt2 -wires -mem -bv demo4.smt2'
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yosys -ql demo4.yslog -p 'read_verilog -formal demo4.v; prep -top demo4 -nordff; write_smt2 -wires demo4.smt2'
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clean:
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rm -f demo1.yslog demo1.smt2 demo1.vcd
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