Eddie Hung
675c1d4218
Add ice40_wrapcarry pass, rename $__ICE40_FULL_ADDER -> CARRY_WRAPPER
2019-08-07 16:29:38 -07:00
Eddie Hung
f69410daaf
opt_lut to ignore LUT cells, or those that drive bits, with (* keep *)
2019-08-07 13:15:02 -07:00
Eddie Hung
6d77236f38
substr() -> compare()
2019-08-07 12:20:08 -07:00
Eddie Hung
7164996921
RTLIL::S{0,1} -> State::S{0,1}
2019-08-07 11:12:38 -07:00
Eddie Hung
e6d5147214
Merge remote-tracking branch 'origin/master' into eddie/cleanup
2019-08-07 11:11:50 -07:00
Eddie Hung
0c78c62d6c
Remove std:: namespace
2019-08-07 11:11:14 -07:00
Eddie Hung
48d0f99406
stoi -> atoi
2019-08-07 11:09:17 -07:00
Eddie Hung
58e512ab70
Add comment
2019-08-07 09:54:27 -07:00
Eddie Hung
f20acbc813
Revert "Add TODO"
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This reverts commit 6068a6bf0d91e3ab9a5eaa33894a816f1560f99a.
2019-08-07 09:54:27 -07:00
Eddie Hung
789585a744
Add TODO
2019-08-07 09:54:27 -07:00
Eddie Hung
8a8c1d7857
Compute box_lookup just once
2019-08-07 09:54:27 -07:00
Clifford Wolf
e9a756aa7a
Merge pull request #1213 from YosysHQ/eddie/wreduce_add
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wreduce/opt_expr: improve width reduction for $add and $sub cells
2019-08-07 14:27:35 +02:00
Clifford Wolf
338f6765eb
Tweak default gate costs, cleanup "stat -tech cmos"
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-08-07 10:25:51 +02:00
Bogdan Vukobratovic
067b44938c
Fix wrong results when opt_share called before opt_clean
2019-08-07 09:30:58 +02:00
Eddie Hung
ee7c970367
IdString::str().substr() -> IdString::substr()
2019-08-06 19:08:33 -07:00
Eddie Hung
234fcf1724
Fix typos
2019-08-06 19:07:45 -07:00
Eddie Hung
c11ad24fd7
Use std::stoi instead of atoi(<str>.c_str())
2019-08-06 16:45:48 -07:00
Eddie Hung
e38f40af5b
Use IdString::begins_with()
2019-08-06 16:42:25 -07:00
Eddie Hung
046e1a5214
Use State::S{0,1}
2019-08-06 16:22:47 -07:00
Eddie Hung
3486235338
Make liberal use of IdString.in()
2019-08-06 16:18:18 -07:00
Clifford Wolf
100c377451
Redesign of cell cost API
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-08-07 01:12:14 +02:00
Eddie Hung
43081337fa
Cleanup opt_expr.cc
2019-08-06 16:04:21 -07:00
Eddie Hung
bfc7164af7
Move LSB-trimming functionality from wreduce to opt_expr
2019-08-06 15:25:50 -07:00
Eddie Hung
26cb3e7afc
Merge remote-tracking branch 'origin/master' into eddie/wreduce_add
2019-08-06 14:50:00 -07:00
Clifford Wolf
023086bd46
Add $_NMUX_, add "abc -g cmos", add proper cmos cell costs
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-08-06 04:47:55 +02:00
Bogdan Vukobratovic
6a796accc0
Support various binary operators in opt_share
2019-08-04 19:06:38 +02:00
Bogdan Vukobratovic
280c4e7794
Fix spacing in opt_share tests, change wording in opt_share help
2019-08-03 12:28:46 +02:00
whitequark
44a9dcbbbf
Merge pull request #1242 from jfng/fix-proc_prune-partial
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proc_prune: Promote partially redundant assignments.
2019-08-03 07:08:41 +00:00
Clifford Wolf
0917a5cf72
Merge pull request #1238 from mmicko/vsbuild_fix
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Visual Studio build fix
2019-08-02 17:07:39 +02:00
Miodrag Milanovic
28b7053a01
Fix formatting for msys2 mingw build using GetSize
2019-08-01 17:27:34 +02:00
Jean-François Nguyen
320bf2fde5
proc_prune: Promote partially redundant assignments.
2019-08-01 13:09:55 +02:00
Miodrag Milanovic
35d28de478
Visual Studio build fix
2019-07-31 09:10:24 +02:00
Bogdan Vukobratovic
c075486c59
Reimplement opt_share to work on $alu and $pmux
2019-07-28 16:03:54 +02:00
Bogdan Vukobratovic
07c4a7d438
Implement opt_share
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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
Clifford Wolf
c6d8692c97
Add "stat -tech cmos"
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-07-20 15:06:28 +02:00
Eddie Hung
09beeee38a
Try and fix again
2019-07-19 14:40:57 -07:00
Eddie Hung
cb0fd05215
Do not access beyond bounds
2019-07-19 13:58:50 -07:00
Eddie Hung
3a87dc3524
Wrap A and B in sigmap
2019-07-19 13:23:07 -07:00
Eddie Hung
31b0002e8c
Remove "top" from message
2019-07-19 13:20:45 -07:00
Eddie Hung
bcd8027182
Also optimise MSB of $sub
2019-07-19 13:11:48 -07:00
Eddie Hung
fc0e36d1c0
wreduce for $sub
2019-07-19 12:50:21 -07:00
Eddie Hung
5939b5d636
Merge pull request #1188 from YosysHQ/eddie/abc9_push_inverters
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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
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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
Clifford Wolf
2a7198db51
Merge pull request #1189 from YosysHQ/eddie/fix1151
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Error out if enable > dbits in memory_bram file
2019-07-15 20:06:35 +02:00
Clifford Wolf
2c5c53e4c1
Merge pull request #1190 from YosysHQ/eddie/fix_1099
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extract_fa to return nothing more gracefully
2019-07-15 20:05:56 +02:00
whitequark
2de7e92bb8
opt_lut: make less chatty.
2019-07-13 16:49:56 +00:00
Eddie Hung
9b91d815b5
If ConstEval fails do not log_abort() but return gracefully
2019-07-13 04:13:57 -07:00
Eddie Hung
ab3917d079
Error out if enable > dbits
2019-07-13 03:39:23 -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
Clifford Wolf
fd3d5cefad
Merge pull request #1179 from whitequark/attrmap-proc
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attrmap: also consider process, switch and case attributes
2019-07-11 07:23:28 +02:00
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
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Fix clk2fflogic adff reset semantic to negative hold time on reset
2019-07-10 08:48:20 +02:00
Clifford Wolf
cae26bf330
Merge pull request #1174 from YosysHQ/eddie/fix1173
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Increment _TECHMAP_BITS_CONNMAP_ by one since counting from zero
2019-07-09 22:59:51 +02:00
Clifford Wolf
9546ccdbd3
Fix tests/various/async FFL test
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-07-09 22:44:39 +02:00
Eddie Hung
c2db70f41e
Increment _TECHMAP_BITS_CONNMAP_ by one since counting from zero
2019-07-09 12:14:00 -07:00
Eddie Hung
713337255e
Revert "Add "synth -keepdc" option"
2019-07-09 10:14:23 -07:00
Clifford Wolf
e95ce1f7af
Merge pull request #1168 from whitequark/bugpoint-processes
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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
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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
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More support for case rule attributes
2019-07-09 16:57:16 +02:00
whitequark
44bcb7a187
proc_prune: promote assigns to module connections when legal.
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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
whitequark
5fe0ffe30f
proc_prune: new pass.
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The proc_prune pass is similar in nature to proc_rmdead pass: while
proc_rmdead removes branches that never become active because another
branch preempts it, proc_prune removes assignments that never become
active because another assignment preempts them.
Genrtlil contains logic similar to the proc_prune pass, but their
purpose is different: genrtlil has to prune assignments to adapt
the semantics of blocking assignments in HDLs (latest assignment
wins) to semantics of assignments in RTLIL processes (assignment in
the most specific case wins). On the other hand proc_prune is
a general purpose RTLIL simplification that benefits all frontends,
even those not using the Yosys AST library.
The proc_prune pass is added to the proc script after proc_rmdead,
since it gives better results with fewer branches.
2019-07-09 09:30:58 +00:00
whitequark
f2fb958d44
bugpoint: add -assigns and -updates options.
2019-07-09 09:27:43 +00:00
whitequark
f7a14a5678
proc_clean: add -quiet option.
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This is useful for other passes that call it often, like bugpoint.
2019-07-09 09:27:43 +00:00
Eddie Hung
37b58f4324
Clarify 'wreduce -keepdc' doc
2019-07-08 19:15:07 -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
whitequark
48655dfb8b
proc_mux: consider \src attribute on CaseRule.
2019-07-08 13:18:18 +00:00
David Shah
d45936fe5f
memory_dff: Fix checking of feedback mux input when more than one mux
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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
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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
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"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
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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
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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
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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
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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
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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
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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
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-06-26 11:01:03 +02:00