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Added memory_memx pass, "memory -memx", and "prep -memx"

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This commit is contained in:
Clifford Wolf 2016-08-19 19:48:26 +02:00
parent f6629b9c29
commit 15ef608453
4 changed files with 121 additions and 4 deletions
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13
passes/memory/memory.cc
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@ -31,14 +31,15 @@ struct MemoryPass : public Pass {
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" memory [-nomap] [-nordff] [-bram <bram_rules>] [selection]\n");
log(" memory [-nomap] [-nordff] [-memx] [-bram <bram_rules>] [selection]\n");
log("\n");
log("This pass calls all the other memory_* passes in a useful order:\n");
log("\n");
log(" memory_dff [-nordff]\n");
log(" memory_dff [-nordff] (-memx implies -nordff)\n");
log(" opt_clean\n");
log(" memory_share\n");
log(" opt_clean\n");
log(" memory_memx (when called with -memx)\n");
log(" memory_collect\n");
log(" memory_bram -rules <bram_rules> (when called with -bram)\n");
log(" memory_map (skipped if called with -nomap)\n");
@ -51,6 +52,7 @@ struct MemoryPass : public Pass {
{
bool flag_nomap = false;
bool flag_nordff = false;
bool flag_memx = false;
string memory_bram_opts;
log_header(design, "Executing MEMORY pass.\n");
@ -66,6 +68,11 @@ struct MemoryPass : public Pass {
flag_nordff = true;
continue;
}
if (args[argidx] == "-memx") {
flag_nordff = true;
flag_memx = true;
continue;
}
if (argidx+1 < args.size() && args[argidx] == "-bram") {
memory_bram_opts += " -rules " + args[++argidx];
continue;
@ -77,6 +84,8 @@ struct MemoryPass : public Pass {
Pass::call(design, flag_nordff ? "memory_dff -nordff" : "memory_dff");
Pass::call(design, "opt_clean");
Pass::call(design, "memory_share");
if (flag_memx)
Pass::call(design, "memory_memx");
Pass::call(design, "opt_clean");
Pass::call(design, "memory_collect");