From b04a40d9fe6725dbe1b97a63931b0c0710e3149d Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Tue, 30 Aug 2016 12:40:09 +0200 Subject: [PATCH] Made "write_smt2 -bv -mem" default, added "write_smt2 -nobv -nomem" --- backends/smt2/smt2.cc | 32 ++++++++++++++++++-------------- examples/smtbmc/Makefile | 8 ++++---- 2 files changed, 22 insertions(+), 18 deletions(-) diff --git a/backends/smt2/smt2.cc b/backends/smt2/smt2.cc index 43601cd24..1885cf59a 100644 --- a/backends/smt2/smt2.cc +++ b/backends/smt2/smt2.cc @@ -810,9 +810,9 @@ struct Smt2Backend : public Backend { log("The '_s' sort represents a module state. Additional '_n' functions\n"); log("are provided that can be used to access the values of the signals in the module.\n"); log("By default only ports, registers, and wires with the 'keep' attribute set are\n"); - log("made available via such functions. Without the -bv option, multi-bit wires are\n"); - log("exported as separate functions of type Bool for the individual bits. With the\n"); - log("-bv option multi-bit wires are exported as single functions of type BitVec.\n"); + log("made available via such functions. With the -nobv option, multi-bit wires are\n"); + log("exported as separate functions of type Bool for the individual bits. Without\n"); + log("-nobv multi-bit wires are exported as single functions of type BitVec.\n"); log("\n"); log("The '_t' function evaluates to 'true' when the given pair of states\n"); log("describes a valid state transition.\n"); @@ -835,14 +835,14 @@ struct Smt2Backend : public Backend { log(" -verbose\n"); log(" this will print the recursive walk used to export the modules.\n"); log("\n"); - log(" -bv\n"); - log(" enable support for BitVec (FixedSizeBitVectors theory). with this\n"); + log(" -nobv\n"); + log(" disable support for BitVec (FixedSizeBitVectors theory). with this\n"); log(" option set multi-bit wires are represented using the BitVec sort and\n"); log(" support for coarse grain cells (incl. arithmetic) is enabled.\n"); log("\n"); - log(" -mem\n"); - log(" enable support for memories (via ArraysEx theory). this option\n"); - log(" also implies -bv. only $mem cells without merged registers in\n"); + log(" -nomem\n"); + log(" disable support for memories (via ArraysEx theory). this option is\n"); + log(" implied by -nobv. only $mem cells without merged registers in\n"); log(" read ports are supported. call \"memory\" with -nordff to make sure\n"); log(" that no registers are merged into $mem read ports. '_m' functions\n"); log(" will be generated for accessing the arrays that are used to represent\n"); @@ -908,7 +908,7 @@ struct Smt2Backend : public Backend { virtual void execute(std::ostream *&f, std::string filename, std::vector args, RTLIL::Design *design) { std::ifstream template_f; - bool bvmode = false, memmode = false, wiresmode = false, verbose = false; + bool bvmode = true, memmode = true, wiresmode = false, verbose = false; log_header(design, "Executing SMT2 backend.\n"); @@ -921,13 +921,17 @@ struct Smt2Backend : public Backend { log_error("Can't open template file `%s'.\n", args[argidx].c_str()); continue; } - if (args[argidx] == "-bv") { - bvmode = true; + if (args[argidx] == "-bv" || args[argidx] == "-mem") { + log_warning("Options -bv and -mem are now the default. Support for -bv and -mem will be removed in the future.\n"); continue; } - if (args[argidx] == "-mem") { - bvmode = true; - memmode = true; + if (args[argidx] == "-nobv") { + bvmode = false; + memmode = false; + continue; + } + if (args[argidx] == "-nomem") { + bvmode = false; continue; } if (args[argidx] == "-wires") { diff --git a/examples/smtbmc/Makefile b/examples/smtbmc/Makefile index 588e8429b..6078fc64f 100644 --- a/examples/smtbmc/Makefile +++ b/examples/smtbmc/Makefile @@ -17,16 +17,16 @@ demo4: demo4.smt2 yosys-smtbmc -s yices --dump-vcd demo4.vcd --smtc demo4.smtc demo4.smt2 demo1.smt2: demo1.v - yosys -ql demo1.yslog -p 'read_verilog -formal demo1.v; prep -top demo1 -nordff; write_smt2 -wires -mem -bv demo1.smt2' + yosys -ql demo1.yslog -p 'read_verilog -formal demo1.v; prep -top demo1 -nordff; write_smt2 -wires demo1.smt2' demo2.smt2: demo2.v - yosys -ql demo2.yslog -p 'read_verilog -formal demo2.v; prep -top demo2 -nordff; write_smt2 -wires -mem -bv demo2.smt2' + yosys -ql demo2.yslog -p 'read_verilog -formal demo2.v; prep -top demo2 -nordff; write_smt2 -wires demo2.smt2' demo3.smt2: demo3.v - yosys -ql demo3.yslog -p 'read_verilog -formal demo3.v; prep -top demo3 -nordff; write_smt2 -wires -mem -bv demo3.smt2' + yosys -ql demo3.yslog -p 'read_verilog -formal demo3.v; prep -top demo3 -nordff; write_smt2 -wires demo3.smt2' demo4.smt2: demo4.v - yosys -ql demo4.yslog -p 'read_verilog -formal demo4.v; prep -top demo4 -nordff; write_smt2 -wires -mem -bv demo4.smt2' + yosys -ql demo4.yslog -p 'read_verilog -formal demo4.v; prep -top demo4 -nordff; write_smt2 -wires demo4.smt2' clean: rm -f demo1.yslog demo1.smt2 demo1.vcd -- 2.30.2