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authorClifford Wolf <clifford@clifford.at>2013-03-01 09:26:29 +0100
committerClifford Wolf <clifford@clifford.at>2013-03-01 09:26:29 +0100
commitf952309c81afcb467eb367ec519ec12876fb0983 (patch)
treeeb56d924efba8b36cbe03512e163c1f79e3744ea /passes/proc/proc_dff.cc
parent36954471a6f385bda835b2a4e5751764bb146aac (diff)
Added help messages to proc_* passes
Diffstat (limited to 'passes/proc/proc_dff.cc')
-rw-r--r--passes/proc/proc_dff.cc24
1 files changed, 18 insertions, 6 deletions
diff --git a/passes/proc/proc_dff.cc b/passes/proc/proc_dff.cc
index ccacc72d..93b90006 100644
--- a/passes/proc/proc_dff.cc
+++ b/passes/proc/proc_dff.cc
@@ -161,18 +161,30 @@ static void proc_dff(RTLIL::Module *mod, RTLIL::Process *proc, ConstEval &ce)
}
struct ProcDffPass : public Pass {
- ProcDffPass() : Pass("proc_dff") { }
+ ProcDffPass() : Pass("proc_dff", "extract flip-flops from processes") { }
+ virtual void help()
+ {
+ // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
+ log("\n");
+ log(" proc_dff [selection]\n");
+ log("\n");
+ log("This pass identifies flip-flops in the processes and converts then to\n");
+ log("flip-flop cells.\n");
+ log("\n");
+ }
virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{
log_header("Executing PROC_DFF pass (convert process syncs to FFs).\n");
extra_args(args, 1, design);
- for (auto &mod_it : design->modules) {
- ConstEval ce(mod_it.second);
- for (auto &proc_it : mod_it.second->processes)
- proc_dff(mod_it.second, proc_it.second, ce);
- }
+ for (auto &mod_it : design->modules)
+ if (design->selected(mod_it.second)) {
+ ConstEval ce(mod_it.second);
+ for (auto &proc_it : mod_it.second->processes)
+ if (design->selected(mod_it.second, proc_it.second))
+ proc_dff(mod_it.second, proc_it.second, ce);
+ }
}
} ProcDffPass;