Commit Graph

6 Commits

Author SHA1 Message Date
Wilson Snyder
7469166c38 Fix or-reduction on different scopes broken in 4.110 (#2828). 2021-03-10 18:08:11 -05:00
Yutetsu TAKATSUKASA
bb5384bc50
Optimize bit op tree #2186, #2632, and #2633 (#2751)
* Tests:Add some more signals to t_const_opt_red.v

* Optimize bit op trees such as ~a[2] & a[1] & ~a[0] to 3'b010 == (3'111 & a)

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Apply clang-format

* Don't edit and-or tree.

* Call matchBitOpTree() after V3Expand does its job.

* Internals: Rename newNodep -> newp. No functional change is intended.

* Internals: Remove m_sels. No functional change is intended.

* Internals: Remove stringstream. No functional change is intended.

* Internals: Use V3Number::bitIs1(). No functional change is intended.

* Internals: Use V3Number instead of std::map. Resolved laek. Result should be same.

* Internals: Resolve overload of setPolarity. No functional change is intended.

* Internals: Pass failure reason. No functional change is intended.

* Internals: Add VNUser::toPtr(). No functional change is intended.

* Internals: Use user4 instead of std::map. No functional change is intended.

* Catch up with the AST style aftre V3Expand

* Internals: Rename Context to VarInfo. No functional change is intended.

* Add some more test case

* tests:Add stats to tests
Update stats in t_merge_cond.pl as matchBitopTree does some of them.

* insert CCast if necessary

* small optimization to remove redundant bit mask

* No quick exit even when unoptimizable node is found.

* Simplify removing redundant And

* simplify

* Revert "Internals: Add VNUser::toPtr(). No functional change is intended."

This reverts commit f98dce10db.

* Consider AstWordSel and cleanup

* Update test

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Update src/V3Const.cpp

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>

* Apply clang-format

* Internals: rename variables. No functional change is intended.

Co-authored-by: Wilson Snyder <wsnyder@wsnyder.org>
Co-authored-by: github action <action@example.com>
2021-02-21 18:11:33 +09:00
Tim Snyder
83fbfa8c71
Fix /usr/bin/env perl in lieu of /usr/bin/perl (#2307)
Enables scripts to work where perl is not installed at /usr/bin/perl
2020-05-04 19:27:30 -04:00
Wilson Snyder
1ce360ed5b Add SPDX license identifiers. No functional change. 2020-03-21 11:24:24 -04:00
Wilson Snyder
135ccf6595 Tests: Fix ormux on travis. 2020-03-08 09:48:13 -04:00
Wilson Snyder
9a2a3f8db7 Tests: Add t_gate_ormux, #2186, #2187. 2020-03-08 09:18:12 -04:00