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memory_share: Split off feedback path finding as a separate pass.

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memory_share is actually three passes in a trenchcoat.  Split off the
one that has the least in common with the other two as a separate pass.
This commit is contained in:
Marcelina Kościelnicka 2021-05-23 15:42:51 +02:00
parent 1eea06bcc0
commit d905990d01
4 changed files with 343 additions and 242 deletions
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4
passes/memory/memory.cc
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@ -38,9 +38,10 @@ struct MemoryPass : public Pass {
log(" opt_mem\n");
log(" memory_dff (skipped if called with -nordff or -memx)\n");
log(" opt_clean\n");
log(" opt_mem_feedback\n");
log(" memory_share\n");
log(" opt_clean\n");
log(" memory_memx (when called with -memx)\n");
log(" opt_clean\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");
@ -86,6 +87,7 @@ struct MemoryPass : public Pass {
if (!flag_nordff)
Pass::call(design, "memory_dff");
Pass::call(design, "opt_clean");
Pass::call(design, "opt_mem_feedback");
Pass::call(design, "memory_share");
if (flag_memx)
Pass::call(design, "memory_memx");