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6208 Commits

Author SHA1 Message Date
Clifford Wolf 463f710066
Merge pull request #1183 from whitequark/ice40-always-relut 
synth_ice40: switch -relut to be always on
 2019-07-12 10:48:00 +02:00
whitequark b700a4b1c5 synth_ice40: switch -relut to be always on. 2019-07-11 20:18:41 +00:00
whitequark a8c5f7f41e synth_ice40: fix help text typo. NFC. 2019-07-11 20:18:41 +00:00
Eddie Hung 19c1c3cfa3
Merge pull request #1182 from koriakin/xc6s-bram 
synth_xilinx: Initial Spartan 6 block RAM inference support.
 2019-07-11 12:55:35 -07:00
Eddie Hung 931adbaf74
Merge pull request #1185 from koriakin/xc-ff-init-vals 
xilinx: Fix the default values for FDPE/FDSE INIT attributes to match ISE/Vivado.
 2019-07-11 12:55:14 -07:00
Marcin Kościelnicki a9efacd01d xilinx: Fix the default values for FDPE/FDSE INIT attributes to match ISE/Vivado. 2019-07-11 21:13:12 +02:00
Eddie Hung c0abd18799 Enable &mfs for abc9, even if it only currently works for ice40 2019-07-11 08:49:06 -07:00
Marcin Kościelnicki ce250b341c synth_xilinx: Initial Spartan 6 block RAM inference support. 2019-07-11 14:45:48 +02:00
Clifford Wolf 9112850800
Merge pull request #1172 from whitequark/write_verilog-Sa-as-qmark 
write_verilog: write RTLIL::Sa aka - as Verilog ?
 2019-07-11 07:25:52 +02:00
Clifford Wolf fd3d5cefad
Merge pull request #1179 from whitequark/attrmap-proc 
attrmap: also consider process, switch and case attributes
 2019-07-11 07:23:28 +02:00
Eddie Hung bb2144ae73
Merge pull request #1180 from YosysHQ/eddie/no_abc9_retime 
Error out if -abc9 and -retime specified
 2019-07-10 14:38:13 -07:00
Eddie Hung 2f990a7319
Merge pull request #1148 from YosysHQ/xc7mux 
synth_xilinx to infer wide multiplexers using new '-widemux <min>' option
 2019-07-10 14:38:00 -07:00
Eddie Hung 6bbd286e03 Error out if -abc9 and -retime specified 2019-07-10 12:47:48 -07:00
Eddie Hung 58bb84e5b2 Add some spacing 2019-07-10 12:32:33 -07:00
Eddie Hung 521971e32e Add some ASCII art explaining mux decomposition 2019-07-10 12:20:04 -07:00
whitequark ea447220da attrmap: also consider process, switch and case attributes. 2019-07-10 12:30:53 +00:00
Clifford Wolf c66b4b9131
Merge pull request #1177 from YosysHQ/clifford/async 
Fix clk2fflogic adff reset semantic to negative hold time on reset
 2019-07-10 08:48:20 +02:00
Eddie Hung e573d024a2 Call muxpack and pmux2shiftx before cmp2lut 2019-07-09 21:26:38 -07:00
Eddie Hung c55530b901 Restore opt_clean back to original place 2019-07-09 14:29:58 -07:00
Eddie Hung 5b48b18d29 Restore missing techmap -map +/cmp2lut.v with LUT_WIDTH=6 2019-07-09 14:28:54 -07:00
David Shah 27b27b8781 synth_ecp5: Fix typo in copyright header 
Signed-off-by: David Shah <dave@ds0.me>
 2019-07-09 22:26:10 +01:00
Clifford Wolf cae26bf330
Merge pull request #1174 from YosysHQ/eddie/fix1173 
Increment _TECHMAP_BITS_CONNMAP_ by one since counting from zero
 2019-07-09 22:59:51 +02:00
Clifford Wolf 6dd33be7ce
Merge pull request #1175 from whitequark/write_verilog-fix-case-attr-position 
write_verilog: fix placement of case attributes
 2019-07-09 22:51:25 +02:00
Clifford Wolf 9546ccdbd3 Fix tests/various/async FFL test 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-07-09 22:44:39 +02:00
Clifford Wolf 5138621482 Improve tests/various/async, disable failing ffl test 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-07-09 22:21:25 +02:00
Eddie Hung b1a048a703 Extend using A[1] to preserve don't care 2019-07-09 12:35:41 -07:00
Eddie Hung f604aa174e
Merge pull request #1171 from YosysHQ/revert-1166-eddie/synth_keepdc 
Revert "Add "synth -keepdc" option"
 2019-07-09 12:19:40 -07:00
Eddie Hung bee5d2b21a Merge remote-tracking branch 'origin/eddie/fix1173' into xc7mux 2019-07-09 12:16:33 -07:00
whitequark 37bb6b5e96 write_verilog: fix placement of case attributes. NFC. 2019-07-09 19:14:03 +00:00
Eddie Hung c2db70f41e Increment _TECHMAP_BITS_CONNMAP_ by one since counting from zero 2019-07-09 12:14:00 -07:00
Clifford Wolf c18b23f055 Add tests/various/async.{sh,v} 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-07-09 20:58:59 +02:00
Clifford Wolf 3dd92fcd15 Improve tests/various/run-test.sh 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-07-09 20:58:28 +02:00
Clifford Wolf f8512864cd Add tests/simple_abc9/.gitignore 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-07-09 20:58:01 +02:00
whitequark 6a29e1f5b7 write_verilog: write RTLIL::Sa aka - as Verilog ?. 
Currently, the only ways (determined by grepping for regex \bSa\b) to
end up with RTLIL::Sa in a netlist is by reading a Verilog constant
with ? in it as a part of case, or by running certain FSM passes.
Both of these cases should be round-tripped back to ? in Verilog.
 2019-07-09 18:35:49 +00:00
Eddie Hung 93522b0ae1 Extend during mux decomposition with 1'bx 2019-07-09 10:59:37 -07:00
Eddie Hung c864995343 Fix typo and comments 2019-07-09 10:38:07 -07:00
Eddie Hung 00d8a9dce2
Merge pull request #1170 from YosysHQ/eddie/fix_double_underscore 
Rename __builtin_bswap32 -> bswap32
 2019-07-09 10:22:57 -07:00
Eddie Hung c91cb73562 Merge remote-tracking branch 'origin/master' into xc7mux 2019-07-09 10:22:49 -07:00
Eddie Hung c68b909210 synth_xilinx to call commands of synth -coarse directly 2019-07-09 10:21:54 -07:00
Eddie Hung 737340327f Revert "synth_xilinx to call "synth -run coarse" with "-keepdc"" 
This reverts commit 7f964859ec.
 2019-07-09 10:15:02 -07:00
Eddie Hung 713337255e
Revert "Add "synth -keepdc" option" 2019-07-09 10:14:23 -07:00
Eddie Hung 5a0f2e43c7 Rename __builtin_bswap32 -> bswap32 2019-07-09 09:35:09 -07:00
Eddie Hung bc84f7dd10 Fix spacing 2019-07-09 09:22:12 -07:00
Eddie Hung 667199d460 Fix spacing 2019-07-09 09:16:00 -07:00
Clifford Wolf e95ce1f7af
Merge pull request #1168 from whitequark/bugpoint-processes 
Add support for processes in bugpoint
 2019-07-09 16:59:43 +02:00
Clifford Wolf a0787c12f0
Merge pull request #1169 from whitequark/more-proc-cleanups 
A new proc_prune pass
 2019-07-09 16:59:18 +02:00
Clifford Wolf 38e942507e
Merge pull request #1163 from whitequark/more-case-attrs 
More support for case rule attributes
 2019-07-09 16:57:16 +02:00
Clifford Wolf ef07a313b4
Merge pull request #1162 from whitequark/rtlil-case-attrs 
Allow attributes on individual switch cases in RTLIL
 2019-07-09 16:56:29 +02:00
Clifford Wolf a429aedc0f
Merge pull request #1167 from YosysHQ/eddie/xc7srl_cleanup 
Cleanup synth_xilinx SRL inference, make more consistent
 2019-07-09 16:49:08 +02:00
whitequark 44bcb7a187 proc_prune: promote assigns to module connections when legal. 
This can pave the way for further transformations by exposing
identities that were previously hidden in a process to any pass that
uses SigMap. Indeed, this commit removes some ad-hoc logic from
proc_init that appears to have been tailored to the output of
genrtlil in favor of using `SigMap.apply()`. (This removal is not
optional, as the ad-hoc logic cannot cope with the result of running
proc_prune; a similar issue was fixed in proc_arst.)
 2019-07-09 09:30:58 +00:00