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Added "memory -nordff"

This commit is contained in:
Clifford Wolf 2015-06-14 15:47:11 +02:00
parent 255dcb27a0
commit f6eca509bb
1 changed files with 9 additions and 2 deletions
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11
passes/memory/memory.cc
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@ -31,7 +31,7 @@ struct MemoryPass : public Pass {
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n"); log("\n");
log(" memory [-nomap] [-bram <bram_rules>] [selection]\n"); log(" memory [-nomap] [-nordff] [-bram <bram_rules>] [selection]\n");
log("\n"); log("\n");
log("This pass calls all the other memory_* passes in a useful order:\n"); log("This pass calls all the other memory_* passes in a useful order:\n");
log("\n"); log("\n");
@ -43,6 +43,8 @@ struct MemoryPass : public Pass {
log(" memory_bram -rules <bram_rules> (when called with -bram)\n"); log(" memory_bram -rules <bram_rules> (when called with -bram)\n");
log(" memory_map (skipped if called with -nomap)\n"); log(" memory_map (skipped if called with -nomap)\n");
log("\n"); log("\n");
log("when called with -nordff, memory_dff will be called with -wr_only.\n");
log("\n");
log("This converts memories to word-wide DFFs and address decoders\n"); log("This converts memories to word-wide DFFs and address decoders\n");
log("or multiport memory blocks if called with the -nomap option.\n"); log("or multiport memory blocks if called with the -nomap option.\n");
log("\n"); log("\n");
@ -50,6 +52,7 @@ struct MemoryPass : public Pass {
virtual void execute(std::vector<std::string> args, RTLIL::Design *design) virtual void execute(std::vector<std::string> args, RTLIL::Design *design)
{ {
bool flag_nomap = false; bool flag_nomap = false;
bool flag_nordff = false;
string memory_bram_opts; string memory_bram_opts;
log_header("Executing MEMORY pass.\n"); log_header("Executing MEMORY pass.\n");
@ -61,6 +64,10 @@ struct MemoryPass : public Pass {
flag_nomap = true; flag_nomap = true;
continue; continue;
} }
if (args[argidx] == "-nordff") {
flag_nordff = true;
continue;
}
if (argidx+1 < args.size() && args[argidx] == "-bram") { if (argidx+1 < args.size() && args[argidx] == "-bram") {
memory_bram_opts += " -rules " + args[++argidx]; memory_bram_opts += " -rules " + args[++argidx];
continue; continue;
@ -69,7 +76,7 @@ struct MemoryPass : public Pass {
} }
extra_args(args, argidx, design); extra_args(args, argidx, design);
Pass::call(design, "memory_dff"); Pass::call(design, flag_nordff ? "memory_dff -wr_only" : "memory_dff");
Pass::call(design, "opt_clean"); Pass::call(design, "opt_clean");
Pass::call(design, "memory_share"); Pass::call(design, "memory_share");
Pass::call(design, "opt_clean"); Pass::call(design, "opt_clean");