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605 Commits

Author SHA1 Message Date
Eddie Hung 29db96fa1f Revert "Vivado does not like zero width port connections" 
This reverts commit 895e2befa7.
 2019-09-23 19:52:54 -07:00
Eddie Hung 895e2befa7 Vivado does not like zero width port connections 2019-09-23 19:04:07 -07:00
Eddie Hung 67c2db3486 Remove (* techmap_autopurge *) from abc_unmap.v since no effect 2019-09-23 18:56:18 -07:00
Eddie Hung 23d90e0439 Add a xilinx_finalise pass 2019-09-23 18:56:02 -07:00
Eddie Hung 4401e5f142 Grammar 2019-09-20 14:24:31 -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 691686f92c Tidy up, fix undriven 2019-09-19 20:04:52 -07:00
Eddie Hung 1602516a8b $__ABC_REG to have WIDTH parameter 2019-09-19 19:37:45 -07:00
Eddie Hung e09f80479e Fix DSP48E1 timing by breaking P path if MREG or PREG 2019-09-19 18:59:28 -07:00
Eddie Hung 362a803779 Revert "Different approach to timing" 
This reverts commit 41256f48a5.
 2019-09-19 18:33:38 -07:00
Eddie Hung 41256f48a5 Different approach to timing 2019-09-19 18:33:29 -07:00
Eddie Hung 5ca25b0c59 Suppress $anyseq warnings 2019-09-19 16:27:14 -07:00
Eddie Hung 595fb611a5 Use (* techmap_autopurge *) to suppress techmap warnings 2019-09-19 15:58:01 -07:00
Eddie Hung c15a35db84 D is 25 bits not 24 bits wide 2019-09-19 15:55:49 -07:00
Eddie Hung b88f0f6450 Merge remote-tracking branch 'origin/clifford/fix1381' into xc7dsp 2019-09-19 15:47:41 -07:00
Eddie Hung 95db2489bd synth_xilinx to infer DSPs for Y_WIDTH >= 9 and [AB]_WIDTH >= 2 2019-09-19 14:58:06 -07:00
Marcin Kościelnicki 13fa873f11 Use extractinv for synth_xilinx -ise 2019-09-19 04:02:48 +02:00
Eddie Hung fd3b033903 Merge remote-tracking branch 'origin/master' into xc7dsp 2019-09-18 12:23:22 -07:00
Eddie Hung 25e0f0c376 Fix copy-paste 2019-09-18 12:19:16 -07:00
Eddie Hung b77cf6ba48 Mis-spell 2019-09-18 11:12:46 -07:00
Eddie Hung e992dbf2c5 Add pattern detection support for DSP48E1 model, check against vendor 2019-09-18 10:45:04 -07:00
Marcin Kościelnicki 09ac36da60 xilinx: Make blackbox library family-dependent. 
Fixes #1246.
 2019-09-15 13:37:24 +02:00
Eddie Hung 681be20ca2 Add `undef DSP48E1_INST 2019-09-13 17:07:18 -07:00
Eddie Hung 61877e1370 Fix D -> P{,COUT} delay 2019-09-13 13:32:55 -07:00
Eddie Hung d0b202c58d Add no MULT no DPORT config 2019-09-13 12:05:14 -07:00
Eddie Hung 247a63f55d Add support for MULT and DPORT 2019-09-13 11:45:55 -07:00
Eddie Hung e235dd0785 Refine diagram 2019-09-13 09:34:40 -07:00
Eddie Hung 734034a872 Add an ASCII drawing 2019-09-12 18:13:46 -07:00
Eddie Hung c52863f147 Finish explanation 2019-09-12 18:01:49 -07:00
Eddie Hung aaeaab4ac0 Rename to techmap_guard 2019-09-12 17:45:02 -07:00
Eddie Hung 6bb8e6a726 Initial DSP48E1 box support 2019-09-12 17:11:01 -07:00
Eddie Hung 3a39073302 Set more ports explicitly 2019-09-12 17:10:43 -07:00
Eddie Hung 0ebbecf833 Missing space 2019-09-11 13:06:59 -07:00
Eddie Hung feb3fa65a3 Merge remote-tracking branch 'origin/master' into xc7dsp 2019-09-11 00:01:31 -07:00
Eddie Hung 5c1271c51c Move "(skip if -nodsp)" message to label 2019-09-10 15:26:56 -07:00
Eddie Hung 76eedee089 Really get rid of 'opt_expr -fine' by being explicit 2019-09-10 14:26:12 -07:00
Eddie Hung c460d10e60 Remove wreduce call 2019-09-10 14:17:35 -07:00
Eddie Hung f3a55d3f06 Add comment for why opt_expr is necessary 2019-09-10 14:11:56 -07:00
Eddie Hung 8514e7c32e Revert "Remove "opt_expr -fine" call" 
This reverts commit bfda921d03.
 2019-09-10 14:09:21 -07:00
Eddie Hung d3fb308181 Rename label to map_dsp 2019-09-10 13:18:10 -07:00
Eddie Hung bfda921d03 Remove "opt_expr -fine" call 2019-09-10 13:17:47 -07:00
Eddie Hung a7e6032287 Set USE_MULT and USE_SIMD 2019-09-09 20:56:29 -07:00
Marcin Kościelnicki fda94311ee synth_xilinx: Support init values on Spartan 6 flip-flops properly. 2019-09-07 16:30:43 +02:00
Eddie Hung e742478e1d Merge remote-tracking branch 'origin/master' into xc7dsp 2019-09-05 13:01:27 -07:00
Eddie Hung aa1491add3 Resolve TODO with pin assignments for SRL* 2019-09-04 15:47:36 -07:00
Eddie Hung 3459d28349 Add comments 2019-09-02 12:22:15 -07:00
Eddie Hung f33abd4eab Remove trailing space 2019-08-30 16:44:11 -07:00
Eddie Hung 723815b384 Merge remote-tracking branch 'origin/master' into xc7dsp 2019-08-30 13:26:19 -07:00
Eddie Hung 295c18bd6b Merge branch 'xc7dsp' of github.com:YosysHQ/yosys into xc7dsp 2019-08-30 09:50:20 -07:00
Eddie Hung 6e475484b2 Merge remote-tracking branch 'origin/master' into eddie/xilinx_srl 2019-08-30 09:37:32 -07:00