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129 Commits

Author SHA1 Message Date
whitequark 93ef516d91
Merge pull request #1603 from whitequark/ice40-ram_style 
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 
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 
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"" 
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 
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" 
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" 
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" 
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 
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
Eddie Hung 48d0f99406 stoi -> atoi 2019-08-07 11:09:17 -07:00
Eddie Hung 915f4e34bf DSP_MINWIDTH -> DSP_{A,B,Y}_MINWIDTH 2019-08-01 13:20:34 -07:00
Eddie Hung cb505c50d3 Remove debug 2019-07-22 16:14:15 -07:00
Eddie Hung 4d71ab384d Rename according to vendor doc TN1295 2019-07-22 15:08:26 -07:00
Eddie Hung 5e70b8a22b opt and wreduce necessary for -dsp 2019-07-22 13:48:33 -07:00
Eddie Hung 47fd042b9f Indirection via $__soft_mul 2019-07-19 20:20:33 -07:00
Eddie Hung 3dc3c749d5 Add DSP_MINWIDTH=11 for ice40 since ice40_dsp uses this threshold 2019-07-19 11:41:00 -07:00
Eddie Hung 42e40dbd0a Merge remote-tracking branch 'origin/master' into ice40dsp 2019-07-18 15:45:25 -07:00