diff options
| -rw-r--r-- | techlibs/common/prep.cc | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/techlibs/common/prep.cc b/techlibs/common/prep.cc index f797f5db7..fac6c4bac 100644 --- a/techlibs/common/prep.cc +++ b/techlibs/common/prep.cc @@ -57,6 +57,9 @@ struct PrepPass : public ScriptPass log(" simulate verilog simulation behavior for out-of-bounds memory accesses\n"); log(" using the 'memory_memx' pass. This option implies -nordff.\n"); log("\n"); + log(" -nomem\n"); + log(" do not run any of the memory_* passes\n"); + log("\n"); log(" -nordff\n"); log(" passed to 'memory_dff'. prohibits merging of FFs into memory read ports\n"); log("\n"); @@ -72,7 +75,7 @@ struct PrepPass : public ScriptPass } string top_module, fsm_opts, memory_opts; - bool autotop, flatten, ifxmode, memxmode; + bool autotop, flatten, ifxmode, memxmode, nomemmode; virtual void clear_flags() YS_OVERRIDE { @@ -83,6 +86,7 @@ struct PrepPass : public ScriptPass flatten = false; ifxmode = false; memxmode = false; + nomemmode = false; } virtual void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE @@ -124,6 +128,10 @@ struct PrepPass : public ScriptPass memory_opts += " -nordff"; continue; } + if (args[argidx] == "-nomem") { + nomemmode = true; + continue; + } if (args[argidx] == "-nordff") { memory_opts += " -nordff"; continue; @@ -179,11 +187,13 @@ struct PrepPass : public ScriptPass else run(memxmode ? "wreduce -memx" : "wreduce"); } - run("memory_dff" + (help_mode ? " [-nordff]" : memory_opts)); - if (help_mode || memxmode) - run("memory_memx", "(if -memx)"); - run("opt_clean"); - run("memory_collect"); + if (!nomemmode) { + run("memory_dff" + (help_mode ? " [-nordff]" : memory_opts)); + if (help_mode || memxmode) + run("memory_memx", "(if -memx)"); + run("opt_clean"); + run("memory_collect"); + } run("opt -keepdc -fast"); } |