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2502 Commits

Author SHA1 Message Date
Eddie Hung 792cd31052 Add comments for xilinx_dsp_cascade 2019-10-04 22:31:04 -07:00
Eddie Hung 12fd2ec4f0 Improve comments for xilinx_dsp_CREG 2019-10-04 22:31:04 -07:00
Eddie Hung 14e4aeece6 Fix comment 2019-10-04 22:31:04 -07:00
Eddie Hung 8027ebf05b Restore optimisation for sigM.empty() 2019-10-04 22:31:04 -07:00
Eddie Hung 77d7a5c14a Retry on fixing TODOs 2019-10-04 22:31:04 -07:00
Eddie Hung 52583ecff8 Revert "Fix TODOs" 
This reverts commit 8674a6c68d563908014d16671567459499c6dc99.
 2019-10-04 22:31:04 -07:00
Eddie Hung 6d68972619 More comments, cleanup 2019-10-04 22:31:04 -07:00
Eddie Hung 7de9c33931 Fix TODOs 2019-10-04 22:31:04 -07:00
Eddie Hung 983068103e Consistency 2019-10-04 22:31:04 -07:00
Eddie Hung cf82b38478 Add comments for xilinx_dsp 2019-10-04 22:31:04 -07:00
Eddie Hung 0acc51c3d8 Add temporary `abc9 -nomfs` and use for `synth_xilinx -abc9` 2019-10-04 17:35:43 -07:00
Eddie Hung 74ef8feeaf Fix xilinx_dsp for unsigned extensions 2019-10-04 16:46:15 -07:00
Clifford Wolf 0e05424885
Merge pull request #1422 from YosysHQ/eddie/aigmap_select 
Add -select option to aigmap
 2019-10-03 11:54:04 +02:00
Clifford Wolf afdc990595
Merge pull request #1429 from YosysHQ/clifford/checkmapped 
Add "check -mapped"
 2019-10-03 11:50:53 +02:00
Clifford Wolf 3e27b2846b Add "check -allow-tbuf" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-10-03 11:49:56 +02:00
Eddie Hung 265a655ef9 Also rename cells with _TECHMAP_REPLACE_. prefix, as per @cliffordwolf 2019-10-02 12:43:35 -07:00
Clifford Wolf 45e4c040d7 Add "check -mapped" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-10-02 13:35:03 +02:00
Eddie Hung edc3780723 techmap wires named _TECHMAP_REPLACE_.<identifier> to create alias 2019-09-30 17:20:12 -07:00
Eddie Hung f2f19df2d4 Add -select option to aigmap 2019-09-30 15:26:29 -07:00
Eddie Hung a274b7cc86 Update doc for equiv_opt 2019-09-30 10:59:56 -07:00
Miodrag Milanović 0d27ffd4e6
Merge pull request #1416 from YosysHQ/mmicko/frontend_binary_in 
Open aig frontend as binary file
 2019-09-30 17:49:23 +02:00
Clifford Wolf 0d28e45dcb
Merge pull request #1412 from YosysHQ/eddie/equiv_opt_async2sync 
equiv_opt to call async2sync when not -multiclock like SymbiYosys
 2019-09-30 17:04:21 +02:00
Clifford Wolf 10e57f3880 Fix $dlatch handling in async2sync 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-09-30 14:58:23 +02:00
Eddie Hung 8474c5b366
Merge pull request #1359 from YosysHQ/xc7dsp 
DSP inference for Xilinx (improved for ice40, initial support for ecp5)
 2019-09-29 11:26:22 -07:00
Miodrag Milanovic 3f70c1fd26 Open aig frontend as binary file 2019-09-29 13:22:11 +02:00
Eddie Hung a39505e329 equiv_opt to call async2sync when not -multiclock like SymbiYosys 2019-09-27 12:59:10 -07:00
Eddie Hung aebbfffd71 Ooops AREG and BREG to default to -1 2019-09-27 11:57:53 -07:00
Marcin Kościelnicki fd0e3a2c43 Fix _TECHMAP_REMOVEINIT_ handling. 
Previously, this wire was handled in the code that populated the "do or
do not" techmap cache, resulting in init value removal being performed
only for the first use of a given template.

Fixes the problem identified in #1396.
 2019-09-27 18:34:12 +02:00
Eddie Hung 26657037b8 Update doc with max cascade chain of 20 2019-09-26 14:31:02 -07:00
Eddie Hung 5b9deef10d Do not always zero out C (e.g. during cascade breaks) 2019-09-26 13:59:05 -07:00
Eddie Hung 95f0dd57df Update doc 2019-09-26 13:44:41 -07:00
Eddie Hung 58f31096ab Zero out ports 2019-09-26 13:40:38 -07:00
Eddie Hung af59856ba1 xilinx_dsp_cascade to also cascade AREG and BREG 2019-09-26 13:29:18 -07:00
Eddie Hung 832216dab0 Try recursive pmgen for P cascade 2019-09-26 12:09:57 -07:00
Eddie Hung bd8661e024 CREG to check for \keep 2019-09-26 10:32:01 -07:00
Eddie Hung c0bb1d22e8 Remove newline 2019-09-26 10:31:55 -07:00
Eddie Hung f1de93edf5 Do not die if DSP48E1.P has no users (would otherwise get 'clean'-ed) 2019-09-25 22:58:03 -07:00
Eddie Hung cd8a640989 Reject if (* init *) present 2019-09-25 18:21:08 -07:00
Eddie Hung aeb1539818 Rework xilinx_dsp postAdd for new wreduce call 2019-09-25 17:22:30 -07:00
Eddie Hung 5f8917c984 Fix memory issue since SigSpec& could be invalidated 2019-09-25 16:45:51 -07:00
Eddie Hung 486dd7c483 unextend only used in init 2019-09-25 14:05:59 -07:00
Eddie Hung 53ea5daa42 Call 'wreduce' after mul2dsp to avoid unextend() 2019-09-25 14:04:36 -07:00
Clifford Wolf b432c9b44b Improve "portlist" command 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-09-25 09:20:38 +02:00
Clifford Wolf 6c427d36dd Add "portlist" command 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-09-24 18:08:59 +02:00
Eddie Hung 44374b1b2b "abc_padding" attr for blackbox outputs that were padded, remove them later 2019-09-23 21:58:40 -07:00
Eddie Hung e556d48d45 Set [AB]CASCREG to legal values 2019-09-23 16:00:11 -07:00
Eddie Hung b824a56cde Comment to explain separating CREG packing 2019-09-23 13:58:10 -07:00
Eddie Hung 15dfbc8125 Separate out CREG packing into new pattern, to avoid conflict with PREG 2019-09-23 13:27:10 -07:00
Eddie Hung 26a6c55665 Move log_debug("\n") later 2019-09-23 13:27:00 -07:00
Eddie Hung d0dbbc2605 Move unextend initialisation later 2019-09-23 13:26:34 -07:00