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17 Commits

Author SHA1 Message Date
Clifford Wolf 03fb92ed6f Add "opt_mem" pass 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-11-22 17:45:22 +01:00
Bogdan Vukobratovic 07c4a7d438 Implement opt_share 
This pass identifies arithmetic operators that share an operand and whose
results are used in mutually exclusive cases controlled by a multiplexer, and
merges them together by multiplexing the other operands
 2019-07-26 11:36:48 +02:00
Eddie Hung 83450a9489 Move muxpack from passes/techmap to passes/opt 2019-06-06 12:15:13 -07:00
Clifford Wolf 1bf8c2b823 Import initial pmux2shiftx from eddieh 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-20 00:38:25 +02:00
whitequark 07af772a72 flowmap: new techmap pass. 2019-01-03 14:28:19 +00:00
whitequark 9e072ec21f opt_lut: new pass, to combine LUTs for tighter packing. 2018-12-05 16:30:37 +00:00
Andrew Zonenberg 66e8986ae7 Minor changes to opt_demorgan requested during code review 2017-09-14 10:35:25 -07:00
Andrew Zonenberg 6da5d36968 Initial version of opt_demorgan is functioning for AND/OR gates. Not the prettiest results for bus inputs, but this can be improved 2017-09-12 18:47:46 -07:00
Andrew Zonenberg d5e5bbad86 Updated Makefile to reflect opt_rmports being renamed to rmports 2017-08-14 11:04:56 -07:00
Andrew Zonenberg cca3cb5fbb Added opt_rmports pass (remove unconnected ports from top-level modules) 2017-08-14 10:27:59 -07:00
Clifford Wolf ec93680bd5 Renamed opt_share to opt_merge 2016-03-31 08:52:49 +02:00
Clifford Wolf 1d0f0d668a Renamed opt_const to opt_expr 2016-03-31 08:46:56 +02:00
Clifford Wolf 6c84341f22 Fixed trailing whitespaces 2015-07-02 11:14:30 +02:00
Clifford Wolf c64b1de11d Fixed build with SMALL=1 2014-12-30 11:41:24 +01:00
Clifford Wolf d5148f2e01 Moved "share" and "wreduce" to passes/opt/ 2014-09-01 11:45:26 +02:00
Clifford Wolf c32b918681 Renamed opt_rmunused to opt_clean 2013-06-05 07:07:31 +02:00
Clifford Wolf 7764d0ba1d initial import 2013-01-05 11:13:26 +01:00