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16 Commits

Author SHA1 Message Date
D. Shah
a09a62bc4a ice40: Use snake case for arch-specific functions 
This makes the difference clearer between the general arch API that
everyone must implement; and helper functions specific to one arch.

Signed-off-by: D. Shah <dave@ds0.me>
 2021-02-03 10:46:12 +00:00
David Shah
fac998ddcb ice40: Fix carry feed-out when we have to split the chain next 
Signed-off-by: David Shah <dave@ds0.me>
 2019-09-23 15:51:05 +01:00
David Shah
eed85cda83 ice40: Add better stats on LC packing 
Signed-off-by: David Shah <dave@ds0.me>
 2019-08-08 20:56:30 +01:00
David Shah
1839a3a770 Major Property improvements for common and iCE40 
Signed-off-by: David Shah <dave@ds0.me>
 2019-08-05 14:52:15 +01:00
David Shah
dbaabae235 ice40: Put debug logging behind ctx->debug 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:51:17 +00:00
David Shah
d298687dc2 ice40: Fix carry chain splitting 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-05 10:12:23 +00:00
David Shah
51cda136b1 ice40: Don't split carry chain in simple feed-out cases 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-04 12:31:32 +00:00
David Shah
0c93b55650 ice40: Include I3 connectivity in chain 
Thanks @smunaut

Signed-off-by: David Shah <dave@ds0.me>
 2018-12-04 12:02:26 +00:00
David Shah
a27c7b45de Refactor chain finder to its own file 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 16:29:26 +01:00
David Shah
ea03aafc26 clangformat 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-09-30 15:13:18 +01:00
Eddie Hung
a41500a015 Rework Arch::logicCellsCompatible() to take pointer + size, allowing use of std::array 2018-08-10 19:50:27 -07:00
David Shah
176a23936c Tidy up 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-04 08:15:49 +02:00
David Shah
fd2174149c Fixing constraint placement bugs 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 16:29:44 +02:00
David Shah
8c518cb838 Fixing relative constraint implementation 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 15:40:01 +02:00
David Shah
7e9209878c Reworking packer and placer to use new generic rel legaliser 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 15:00:32 +02:00
David Shah
26c68c4bcc Remove old place legaliser, set placement constraints instead (currently ignored by placer) 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-03 13:18:48 +02:00