From f3ad8d680a3195ab9525b0a8b3f8dbff9d5e6e24 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Sat, 20 Apr 2019 11:23:24 +0200 Subject: Add "techmap -wb", use in formal flows Signed-off-by: Clifford Wolf --- passes/equiv/equiv_opt.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'passes/equiv') diff --git a/passes/equiv/equiv_opt.cc b/passes/equiv/equiv_opt.cc index 86550a69b..e5dda9c24 100644 --- a/passes/equiv/equiv_opt.cc +++ b/passes/equiv/equiv_opt.cc @@ -134,7 +134,7 @@ struct EquivOptPass:public ScriptPass opts = " -map ..."; else opts = techmap_opts; - run("techmap -D EQUIV -autoproc" + opts); + run("techmap -wb -D EQUIV -autoproc" + opts); } if (check_label("prove")) { -- cgit v1.2.3 From 159e7cc2983e3d026fa8c5187252bb890a04b96f Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Fri, 26 Apr 2019 11:14:33 -0700 Subject: Add -undef option to equiv_opt, passed to equiv_induct --- passes/equiv/equiv_opt.cc | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) (limited to 'passes/equiv') diff --git a/passes/equiv/equiv_opt.cc b/passes/equiv/equiv_opt.cc index e5dda9c24..3596dfd7b 100644 --- a/passes/equiv/equiv_opt.cc +++ b/passes/equiv/equiv_opt.cc @@ -44,7 +44,10 @@ struct EquivOptPass:public ScriptPass log(" useful for handling architecture-specific primitives.\n"); log("\n"); log(" -assert\n"); - log(" produce an error if the circuits are not equivalent\n"); + log(" produce an error if the circuits are not equivalent.\n"); + log("\n"); + log(" -undef\n"); + log(" enable modelling of undef states during equiv_induct.\n"); log("\n"); log("The following commands are executed by this verification command:\n"); help_script(); @@ -52,13 +55,14 @@ struct EquivOptPass:public ScriptPass } std::string command, techmap_opts; - bool assert; + bool assert, undef; void clear_flags() YS_OVERRIDE { command = ""; techmap_opts = ""; assert = false; + undef = false; } void execute(std::vector < std::string > args, RTLIL::Design * design) YS_OVERRIDE @@ -84,6 +88,10 @@ struct EquivOptPass:public ScriptPass assert = true; continue; } + if (args[argidx] == "-undef") { + undef = true; + continue; + } break; } @@ -139,7 +147,12 @@ struct EquivOptPass:public ScriptPass if (check_label("prove")) { run("equiv_make gold gate equiv"); - run("equiv_induct equiv"); + if (help_mode) + run("equiv_induct [-undef] equiv"); + else if (undef) + run("equiv_induct -undef equiv"); + else + run("equiv_induct equiv"); if (help_mode) run("equiv_status [-assert] equiv"); else if (assert) -- cgit v1.2.3