628 commits

Author	SHA1	Message	Date
Eddie Hung	5939b5d636	Merge pull request #1188 from YosysHQ/eddie/abc9_push_inverters ... abc9: push inverters driving box inputs (comb outputs) through $lut soft logic	2019-07-16 08:53:47 -07:00
Eddie Hung	ba8ccbdea8	Merge pull request #1186 from YosysHQ/eddie/abc9_ice40_fix ... abc9/ice40: encapsulate SB_CARRY+SB_LUT4 into one box	2019-07-16 08:52:14 -07:00
Miodrag Milanovic	2b469e82a7	Fix check logic in extract_fa	2019-07-16 10:35:18 +02:00
Eddie Hung	9b91d815b5	If ConstEval fails do not log_abort() but return gracefully	2019-07-13 04:13:57 -07:00
Eddie Hung	fb062c3426	Add comment	2019-07-13 00:52:21 -07:00
Eddie Hung	e9bdc86c0e	duplicate -> clone	2019-07-12 19:33:02 -07:00
Eddie Hung	be0cb7f4b8	More cleanup	2019-07-12 19:30:18 -07:00
Eddie Hung	7d583f9e57	Cleanup	2019-07-12 19:30:18 -07:00
Eddie Hung	83f23a24a8	Cleanup	2019-07-12 19:30:18 -07:00
Eddie Hung	1adbfb5533	Cleanup	2019-07-12 19:30:18 -07:00
Eddie Hung	39a7c7c54c	More cleanup	2019-07-12 19:30:18 -07:00
Eddie Hung	91c07be196	Cleanup	2019-07-12 19:30:18 -07:00
Eddie Hung	399e1ec870	Cleanup	2019-07-12 19:30:18 -07:00
Eddie Hung	58dbb28fd3	Cleanup	2019-07-12 19:30:18 -07:00
Eddie Hung	7dc15bdd2d	Do not double count cells in abc	2019-07-12 08:22:26 -07:00
Eddie Hung	c0abd18799	Enable &mfs for abc9, even if it only currently works for ice40	2019-07-11 08:49:06 -07:00
whitequark	ea447220da	attrmap: also consider process, switch and case attributes.	2019-07-10 12:30:53 +00:00
Eddie Hung	c2db70f41e	Increment _TECHMAP_BITS_CONNMAP_ by one since counting from zero	2019-07-09 12:14:00 -07:00
Eddie Hung	b5072256f2	Update muxcover doc as per @ZirconiumX	2019-07-08 12:50:59 -07:00
Eddie Hung	3681162c8d	atoi -> stoi	2019-07-08 11:00:06 -07:00
Eddie Hung	a34c5612e7	Add muxcover -mux2=cost option	2019-07-08 10:59:12 -07:00
Gabriel L. Somlo	8cb3655ecd	Make abc9 pass aware of optional ABCEXTERNAL override ... Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>	2019-06-28 14:56:16 -04:00
Eddie Hung	4a2a93aa06	Fix spacing	2019-06-28 11:10:36 -07:00
Eddie Hung	a625854ac5	Do not use Module::remove() iterator version	2019-06-27 15:29:20 -07:00
Eddie Hung	137c91d9a9	Remove &retime when abc9 -fast	2019-06-27 15:17:39 -07:00
Eddie Hung	6bf73e3546	Cleanup abc9.cc	2019-06-27 15:15:56 -07:00
Eddie Hung	6c256b8cda	Merge origin/master	2019-06-27 11:20:15 -07:00
Eddie Hung	c226af3f56	Fix spacing	2019-06-26 20:03:34 -07:00
Eddie Hung	26efd6f0a9	Support more than one port in the abc_scc_break attr	2019-06-26 19:57:54 -07:00
Eddie Hung	d2fed0a7f1	nullptr check	2019-06-25 06:06:32 -07:00
Eddie Hung	a19226c174	Fix for abc_scc_break is bus	2019-06-24 22:16:56 -07:00
Eddie Hung	5605002d8a	More meaningful error message	2019-06-24 22:12:55 -07:00
Eddie Hung	babadf5938	Do not use log_id as it strips \\, also fix scc for |wire| > 1	2019-06-24 22:04:22 -07:00
Eddie Hung	49a762ba46	Fix abc9's scc breaker, also break on abc_scc_break attr	2019-06-24 21:53:18 -07:00
Eddie Hung	1abe93e48d	Merge remote-tracking branch 'origin/master' into xaig	2019-06-21 17:43:29 -07:00
Eddie Hung	ad296d77ab	Do not rename non LUT cells in abc9	2019-06-21 17:18:04 -07:00
Eddie Hung	e01bab6c64	Merge pull request #1108 from YosysHQ/clifford/fix1091 ... Add support for partial matches to muxcover	2019-06-21 17:13:41 -07:00
Clifford Wolf	ec979475e7	Replace "muxcover -freedecode" with "muxcover -dmux=cost" ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-06-21 19:24:41 +02:00
Eddie Hung	6d74cf0d2b	Merge pull request #1085 from YosysHQ/eddie/shregmap_improve ... Improve shregmap to handle case where first flop is common to two chains	2019-06-21 08:56:56 -07:00
Clifford Wolf	9286b6f013	Add "muxcover -freedecode" ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-06-21 10:02:10 +02:00
Eddie Hung	54f3237720	Fix gcc warning of potentially uninitialised	2019-06-20 22:10:43 -07:00
Clifford Wolf	891ea6512e	Improvements in muxcover ... - Slightly under-estimate cost of decoder muxes - Prefer larger muxes at tree root at same cost - Don't double-count input cost for partial muxes - Add debug log output	2019-06-20 19:47:59 -07:00
Clifford Wolf	40188457d1	Add support for partial matches to muxcover, fixes #1091 ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-06-20 19:47:59 -07:00
Eddie Hung	0e97e6a00d	Fix simple_abc9/generate test with 1'bx at MSB	2019-06-20 19:41:27 -07:00
Eddie Hung	e612dade12	Merge remote-tracking branch 'origin/master' into xaig	2019-06-20 19:00:36 -07:00
Eddie Hung	3f34779d64	Do not call "setundef -zero" in abc9	2019-06-20 17:38:04 -07:00
Eddie Hung	e63324f5ef	Actually, there might not be any harm in updating sigmap...	2019-06-20 17:03:05 -07:00
Eddie Hung	9c61fb0e0c	Add comment as per @cliffordwolf	2019-06-20 16:57:54 -07:00
Clifford Wolf	06eb87bcb7	Improve shregmap help message, fixes #1113 ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-06-20 15:23:55 +02:00
Eddie Hung	96ade54993	Fix bug in #1078, add entry to CHANGELOG	2019-06-19 09:51:11 -07:00