David Shah
d45936fe5f
memory_dff: Fix checking of feedback mux input when more than one mux
...
Signed-off-by: David Shah <dave@ds0.me>
2019-07-02 13:35:50 +01:00
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
da5f830395
Merge pull request #1098 from YosysHQ/xaig
...
"abc9" pass for timing-aware techmapping (experimental, FPGA only, no FFs)
2019-06-28 10:59:03 -07:00
Clifford Wolf
1c7ce251f3
Merge pull request #1046 from bogdanvuk/master
...
Optimizing DFFs whose initial value prevents their value from changing
2019-06-28 08:30:18 +02:00
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
Bogdan Vukobratovic
3225bfb984
Add help for "-sat" option inside opt_rmdff. "opt" can pass "-sat" too
2019-06-27 22:06:23 +02:00
Bogdan Vukobratovic
35fa7b3057
Fix memory leak when one of multiple DFF cells is removed in opt_rmdff
...
When there are multiple DFFs and one of them is removed, its reference lingers
inside bit2driver dict. While invoking handle_dff() function for other DFFs,
this broken reference is used isnside sat_import_cell() function.
2019-06-27 22:02:12 +02:00
Eddie Hung
440f173aef
Merge remote-tracking branch 'origin/master' into xaig
2019-06-27 11:54:34 -07:00
Eddie Hung
6c210e5813
Merge pull request #1143 from YosysHQ/clifford/fix1135
...
Add "pmux2shiftx -norange"
2019-06-27 11:48:48 -07:00
Eddie Hung
6c256b8cda
Merge origin/master
2019-06-27 11:20:15 -07:00
Bogdan Vukobratovic
0f32cb4e0a
Merge remote-tracking branch 'upstream/master'
2019-06-27 12:11:47 +02:00
Clifford Wolf
7c14678ec0
Add "pmux2shiftx -norange", fixes #1135
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-06-27 10:59:12 +02:00
Clifford Wolf
69d810e4a8
Fix handling of partial covers in muxcover, fixes #1132
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-06-27 09:42:58 +02:00
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
Clifford Wolf
0b7d648c6a
Improve opt_clean handling of unused public wires
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-06-26 17:54:17 +02:00
Clifford Wolf
8e9ef891fe
Do not clean up buffer cells with "keep" attribute, closes #1128
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-06-26 11:01:03 +02:00
Eddie Hung
5db96b8aec
Missing muxpack.o in Makefile
2019-06-25 10:38:42 -07:00
Eddie Hung
6f36ec8ecf
Merge remote-tracking branch 'origin/master' into xaig
2019-06-25 09:33:11 -07:00
Clifford Wolf
add2d415fc
Merge pull request #1130 from YosysHQ/eddie/fix710
...
memory_dff: walk through more than one mux for computing read enable
2019-06-25 17:34:44 +02:00
Eddie Hung
42720ef6fe
Fix spacing
2019-06-25 08:33:17 -07:00
Eddie Hung
c4e4902098
Move only one consumer check outside of while loop
2019-06-25 08:29:55 -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
b7deaceadd
Walk through as many muxes as exist for rd_en
2019-06-24 18:33:06 -07:00
Eddie Hung
4ddc0354c1
Merge remote-tracking branch 'origin/master' into eddie/muxpack
2019-06-22 14:40:55 -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
Eddie Hung
545cfbbe0d
Cope with $reduce_or common in case
2019-06-21 12:31:14 -07:00
Eddie Hung
15535112b7
Fix spacing
2019-06-21 11:52:51 -07:00
Eddie Hung
d89d663c92
Add doc
2019-06-21 11:52:28 -07:00
Eddie Hung
641b86d25f
Fix up ExclusiveDatabase with @cliffordwolf's help
2019-06-21 11:45:31 -07:00
Eddie Hung
63eb5cace9
Merge branch 'master' into eddie/muxpack
2019-06-21 11:17:19 -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
c9949dba99
Merge pull request #1117 from bwidawsk/more-home
...
Add a few more filename rewrites
2019-06-21 10:13:51 +02:00
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
