Eddie Hung
6c34945371
xilinx/ice40/ecp5: zinit requires selected wires, so select them all
2020-05-14 10:33:56 -07:00
Eddie Hung
7cd3f4a79b
abc9_ops: add -prep_bypass for auto bypass boxes; refactor
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Eliminate need for abc9_{,un}map.v in xilinx
-prep_dff_{hier,unmap} -> -prep_hier
2020-05-14 10:33:56 -07:00
Eddie Hung
8fbb55f4ab
synth_*: no need to explicitly read +/abc9_model.v
2020-05-14 10:33:56 -07:00
Eddie Hung
23c53a6bdd
ice40: synth_ice40 cleanup
2020-05-14 10:33:56 -07:00
Eddie Hung
fe7965e0ee
ice40: add synth_ice40 -dff option, support with -abc9
2020-05-14 10:33:56 -07:00
Eddie Hung
4ecae8a673
ice40: fix whitespace
2020-05-12 15:40:13 -07:00
Eddie Hung
e6b55e8b38
synth_ice40/ecp5/xilinx: allow abc9.W to be overridden via scratchpad
2020-05-04 11:44:00 -07:00
Marcelina Kościelnicka
38a0c30d65
Get rid of dffsr2dff.
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This pass is a proper subset of opt_rmdff, which is called by opt, which
is called by every synth flow in the coarse part. Thus, it never
actually does anything and can be safely removed.
2020-04-15 16:22:37 +02:00
whitequark
93ef516d91
Merge pull request #1603 from whitequark/ice40-ram_style
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ice40/ecp5: add support for both 1364.1 and Synplify/LSE RAM/ROM attributes
2020-04-10 14:51:01 +00:00
whitequark
ebee746ad2
ice40: do not map FFRAM if explicitly requested otherwise.
2020-04-03 05:51:40 +00:00
Alberto Gonzalez
fc6b898178
Fix indentation in `techlibs/ice40/synth_ice40.cc`.
2020-04-01 16:29:56 +00:00
David Shah
e813624f21
ice40: Map unmapped 'mince' DFFs to gate level
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Signed-off-by: David Shah <dave@ds0.me>
2020-03-20 20:29:16 +00:00
N. Engelhardt
0ec971444b
Merge pull request #1691 from ZirconiumX/use-flowmap-in-noabc
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Add -flowmap option to `synth{,_ice40}`
2020-03-03 19:15:41 +01:00
Dan Ravensloft
d7987fec12
Add -flowmap to synth and synth_ice40
2020-02-28 14:29:57 +00:00
Eddie Hung
a76520112d
ice40: specify fixes
2020-02-27 10:17:29 -08:00
Eddie Hung
fb60d82971
ice40: move over to specify blocks for -abc9
2020-02-27 10:17:29 -08:00
Eddie Hung
0b0148399c
synth_*: call 'opt -fast' after 'techmap'
2020-02-05 18:39:01 -08:00
Eddie Hung
78ffd5d193
synth_ice40: call wreduce before mul2dsp
2020-01-17 15:41:55 -08:00
Eddie Hung
c0b55deb0b
synth_ice40: -abc2 to always use `abc` even if `-abc9`
2020-01-12 11:26:05 -08:00
Eddie Hung
79448f9be0
Update doc that "-retime" calls abc with "-dff -D 1"
2019-12-30 13:28:29 -08:00
Eddie Hung
aa6d06c1b5
Revert "Revert "synth_* with -retime option now calls abc with -D 1 as well""
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This reverts commit 6008bb7002
.
2019-12-30 13:28:29 -08:00
Eddie Hung
10e82e103f
Revert "Optimise write_xaiger"
2019-12-20 12:05:45 -08:00
Eddie Hung
df626ee7ab
Merge pull request #1558 from YosysHQ/eddie/xaiger_cleanup
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Optimise write_xaiger
2019-12-19 12:24:03 -05:00
Eddie Hung
e05372778a
ice40_wrapcarry to really preserve attributes via -unwrap option
2019-12-09 11:48:28 -08:00
Eddie Hung
98c9ea605b
techmap/aigmap of whiteboxes to occur before abc9 instead of in write_xaiger
2019-12-06 17:05:02 -08:00
Clifford Wolf
07c854b7af
Add "autoname" pass and use it in "synth_ice40"
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-11-13 13:41:16 +01:00
N. Engelhardt
3b405d985e
Call memory_dff before DSP mapping to reserve registers ( fixes #1447 )
2019-10-17 21:33:54 +02:00
Eddie Hung
aae2b9fd9c
Rename abc_* names/attributes to more precisely be abc9_*
2019-10-04 11:04:10 -07:00
Eddie Hung
9fef1df3c1
Panic over. Model was elsewhere. Re-arrange for consistency
2019-10-04 10:48:44 -07:00
Eddie Hung
b3d8a60cbd
Re-order
2019-09-27 14:32:07 -07:00
Eddie Hung
781dda6175
select once
2019-09-26 10:15:05 -07:00
Eddie Hung
27e5bf5aad
Stop trying to be too smart by prematurely optimising
2019-09-26 09:57:11 -07:00
Eddie Hung
63940913d2
Only wreduce on t:$add
2019-09-25 17:22:04 -07:00
Eddie Hung
289cf688b7
Re-add DSP_A_MINWIDTH, remove unnec. opt_expr -fine from synth_ice40
2019-09-20 09:02:29 -07:00
Eddie Hung
829e4f5d2c
Revert "Move mul2dsp before wreduce"
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This reverts commit e4f4f6a9d5
.
2019-09-20 08:56:16 -07:00
Eddie Hung
e4f4f6a9d5
Move mul2dsp before wreduce
2019-09-20 08:41:40 -07:00
Eddie Hung
3b9b0fcd06
Tidy up synth_ice40, only restrict DSP_B_MINWIDTH=2
2019-09-19 14:57:38 -07:00
Eddie Hung
e742478e1d
Merge remote-tracking branch 'origin/master' into xc7dsp
2019-09-05 13:01:27 -07:00
Eddie Hung
4bda902f1b
LX -> LP
2019-08-28 19:02:54 -07:00
Eddie Hung
e4f89e01b5
Specify ice40 family to cells_sim.v using define
2019-08-28 17:21:12 -07:00
Eddie Hung
b7a48e3e0f
Merge remote-tracking branch 'origin/master' into xc7dsp
2019-08-20 20:18:17 -07:00
Eddie Hung
12c692f6ed
Revert "Merge pull request #1280 from YosysHQ/revert-1266-eddie/ice40_full_adder"
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This reverts commit c851dc1310
, reversing
changes made to f54bf1631f
.
2019-08-12 12:06:45 -07:00
Eddie Hung
f890cfb63b
Merge remote-tracking branch 'origin/master' into xc7dsp
2019-08-12 11:32:10 -07:00
David Shah
f9020ce2b3
Revert "Wrap SB_LUT+SB_CARRY into $__ICE40_CARRY_WRAPPER"
2019-08-10 17:14:48 +01:00
Clifford Wolf
f54bf1631f
Merge pull request #1258 from YosysHQ/eddie/cleanup
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Cleanup a few barnacles across codebase
2019-08-10 09:52:14 +02:00
Eddie Hung
6d254f2de8
Add wreduce to synth_ice40 -dsp as well
2019-08-09 17:05:56 -07:00
Eddie Hung
2c0be7aa5d
Rework ice40_dsp to map to SB_MAC16 earlier, and check before packing
2019-08-08 12:56:05 -07:00
Eddie Hung
675c1d4218
Add ice40_wrapcarry pass, rename $__ICE40_FULL_ADDER -> CARRY_WRAPPER
2019-08-07 16:29:38 -07:00
Eddie Hung
6b314c8371
Wrap SB_CARRY+SB_LUT into $__ICE40_FULL_ADDER
2019-08-07 16:29:38 -07:00
Eddie Hung
a206aed977
Run "opt_expr -fine" instead of "wreduce" due to #1213
2019-08-07 13:59:07 -07:00