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| author | Aman Goel <amangoel@umich.edu> | 2019-09-27 12:30:27 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-09-27 12:30:27 -0400 |
| commit | cb0dc6e68b9432edc9c30c153954be53c8576911 (patch) | |
| tree | c137f970f949117d04632158d73bfe1f9c146e6f /techlibs/ice40/ice40_ffssr.cc | |
| parent | 4d343fc1cdafe469484846051680ca0b1f948549 (diff) | |
| parent | 4b15cf5f76e2226bbce1a73d1e0ff54fbf093fe8 (diff) | |
| download | yosys-cb0dc6e68b9432edc9c30c153954be53c8576911.tar.gz yosys-cb0dc6e68b9432edc9c30c153954be53c8576911.tar.bz2 yosys-cb0dc6e68b9432edc9c30c153954be53c8576911.zip | |
Merge pull request #7 from YosysHQ/master
Syncing with official repo
Diffstat (limited to 'techlibs/ice40/ice40_ffssr.cc')
| -rw-r--r-- | techlibs/ice40/ice40_ffssr.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/techlibs/ice40/ice40_ffssr.cc b/techlibs/ice40/ice40_ffssr.cc index 9afbc0fce..a7649d7a0 100644 --- a/techlibs/ice40/ice40_ffssr.cc +++ b/techlibs/ice40/ice40_ffssr.cc @@ -25,7 +25,7 @@ PRIVATE_NAMESPACE_BEGIN struct Ice40FfssrPass : public Pass { Ice40FfssrPass() : Pass("ice40_ffssr", "iCE40: merge synchronous set/reset into FF cells") { } - virtual void help() + void help() YS_OVERRIDE { log("\n"); log(" ice40_ffssr [options] [selection]\n"); @@ -33,7 +33,7 @@ struct Ice40FfssrPass : public Pass { log("Merge synchronous set/reset $_MUX_ cells into iCE40 FFs.\n"); log("\n"); } - virtual void execute(std::vector<std::string> args, RTLIL::Design *design) + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { log_header(design, "Executing ICE40_FFSSR pass (merge synchronous set/reset into FF cells).\n"); @@ -81,6 +81,9 @@ struct Ice40FfssrPass : public Pass { for (auto cell : ff_cells) { + if (cell->get_bool_attribute("\\dont_touch")) + continue; + SigSpec sig_d = cell->getPort("\\D"); if (GetSize(sig_d) < 1) |