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18 commits

Author SHA1 Message Date
William D. Jones 77728c2dea hdl.xfrm: Add on_AnyConst and on_AnySeq abstract methods for ValueVisitor and children. 2019-01-15 22:52:45 +00:00
whitequark b534e92dd5 hdl.ir: allow explicitly requesting flattening. 2019-01-14 17:04:23 +00:00
whitequark 011bf2258e hdl: make ClockSignal and ResetSignal usable on LHS. 
Fixes #8.
 2019-01-14 15:38:16 +00:00
William D. Jones f77dc40256 hdl.xfrm: Add Assert and Assume abstract methods for StatementVisitor, implement for children. 2019-01-02 11:17:39 +00:00
whitequark 92a96e1644 hdl.rec: add basic record support. 2018-12-28 13:22:10 +00:00
whitequark 98f554aa08 hdl.xfrm, back.rtlil: implement and use LHSGroupFilter. 
This is a refactoring to simplify reusing the filtering code in
simulation, and separate that concern from backends in general.
 2018-12-24 02:17:28 +00:00
whitequark 1c7c75a254 hdl.xfrm: implement SwitchCleaner, for pruning empty switches. 2018-12-24 02:02:59 +00:00
whitequark 621dddebfd hdl.xfrm: avoid cycles in union-find graph in LHSGroupAnalyzer. 2018-12-22 22:19:14 +00:00
whitequark ae0cb48fbb hdl.xfrm: implement LHSGroupAnalyzer. 2018-12-22 06:58:24 +00:00
whitequark 98a9744be4 hdl.xfrm: Abstract*Transformer→*Visitor 2018-12-22 06:03:39 +00:00
whitequark f7fec804ec ir: allow non-Signals in Instance ports. 2018-12-20 23:40:40 +00:00
whitequark 0f2c7e7161 compat: import genlib.record from Migen. 2018-12-18 20:04:22 +00:00
whitequark dbbcc49a71 hdl.ast: Cat.{operands→parts} 2018-12-18 19:15:50 +00:00
whitequark 7341d0d7ef hdl.ast, hdl.xfrm: various microoptimizations to speed up pysim. 2018-12-18 16:13:29 +00:00
whitequark c7f9386eab fhdl.ir: add black-box fragments, fragment parameters, and Instance. 2018-12-17 22:55:39 +00:00
whitequark 2be76fda3c hdl.xfrm: separate AST traversal from AST identity mapping. 
This is useful because backends don't generally want or need AST
identity mapping (unlike all other transforms) and when adding a new
node, it results in confusing type errors.
 2018-12-16 11:25:52 +00:00
whitequark 54fb999c99 back.pysim: implement ArrayProxy. 2018-12-15 19:37:36 +00:00
whitequark 790eb05a92 Rename fhdl→hdl, genlib→lib. 2018-12-15 14:25:31 +00:00
Renamed from nmigen/fhdl/xfrm.py (Browse further)