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52 Commits

Author SHA1 Message Date
Eddie Hung 9b1078b9bd Fix/workaround symptom unveiled by #1023 2019-05-21 18:50:02 -07:00
Eddie Hung fb09c6219b Merge remote-tracking branch 'origin/master' into xc7mux 2019-05-21 14:21:00 -07:00
Eddie Hung c2e29ab809 Rename cells_map.v to prevent clash with ff_map.v 2019-05-03 14:40:32 -07:00
Eddie Hung 283e33ba5a Trim off leading 1'bx in A 2019-05-02 16:02:37 -07:00
Eddie Hung fc72f07efd Add don't care optimisation 2019-05-02 15:01:37 -07:00
Eddie Hung 95867109ea Revert to pre-muxcover approach 2019-05-02 11:25:10 -07:00
Eddie Hung 5cd19b52da Merge remote-tracking branch 'origin/master' into xc7mux 2019-05-02 10:44:59 -07:00
Eddie Hung af840bbc63 Move neg-pol to pos-pol mapping from ff_map to cells_map.v 2019-04-28 12:36:04 -07:00
Eddie Hung 4aca928033 Fix spacing 2019-04-26 19:46:34 -07:00
Eddie Hung e31e21766d Try a different approach with 'muxcover' 2019-04-26 16:09:54 -07:00
Eddie Hung f14d7f0df6 Cleanup superseded 2019-04-25 19:43:41 -07:00
Eddie Hung 60026842b2 Tweak 2019-04-22 17:59:56 -07:00
Eddie Hung 26e461f47d Fix for A_WIDTH == 2 but B_WIDTH==3 2019-04-22 17:58:28 -07:00
Eddie Hung 1fa2c36fbd Trim A_WIDTH by Y_WIDTH-1 2019-04-22 17:14:11 -07:00
Eddie Hung 69863f7698 Add comment 2019-04-22 16:58:44 -07:00
Eddie Hung 61161faefc Fix for mux_case_* mappings 2019-04-22 16:56:18 -07:00
Eddie Hung ac1e13819e Fix for non-pow2 width muxes 2019-04-22 14:26:13 -07:00
Eddie Hung 75b96b1aff Add synth_xilinx -nomux option 2019-04-22 12:36:15 -07:00
Eddie Hung 4486a98fd5 Merge remote-tracking branch 'origin/xc7srl' into xc7mux 2019-04-22 11:45:49 -07:00
Eddie Hung 233edf00fe Fix cells_map.v some more 2019-04-11 10:48:14 -07:00
Eddie Hung 8658b56a08 More fine tuning 2019-04-11 10:08:05 -07:00
Eddie Hung 0ec8564099 Fix cells_map.v 2019-04-11 10:04:58 -07:00
Eddie Hung bca3779657 Fix typo 2019-04-11 09:25:19 -07:00
Eddie Hung 87b8d29a90 Juggle opt calls in synth_xilinx 2019-04-11 09:13:39 -07:00
Eddie Hung cd7b2de27f WIP for cells_map.v -- maybe working? 2019-04-10 18:05:09 -07:00
Eddie Hung 3d577586fd Try splitting $shiftx with Y_WIDTH > 1 into Y_WIDTH = 1 2019-04-10 16:15:23 -07:00
Eddie Hung 3f5dab0d09 Fix for when B_SIGNED = 1 2019-04-10 14:51:10 -07:00
Eddie Hung 1ec949d5ed Tidy up 2019-04-10 09:02:42 -07:00
Eddie Hung e0b46eb4cb WIP for $shiftx to wide mux 2019-04-10 08:49:55 -07:00
Eddie Hung 1d526b7f06 Call shregmap twice -- once for variable, another for fixed 2019-04-05 17:35:49 -07:00
Eddie Hung 544843da71 techmap inside map_cells stage 2019-04-05 12:55:52 -07:00
Eddie Hung 2fb02247a7 Use soft-logic, not LUT3 instantiation 2019-04-04 08:10:40 -07:00
Eddie Hung 77755b5a66 Cleanup comments 2019-04-04 07:41:40 -07:00
Eddie Hung 81c207fb9b Fine tune cells_map.v 2019-03-20 10:55:14 -07:00
Eddie Hung 505e4c2d59 Revert $__SHREG_ to orig; use $__XILINX_SHREG for variable length 2019-03-19 21:58:05 -07:00
Eddie Hung 5445cd4d00 Add support for variable length Xilinx SRL > 128 2019-03-19 17:44:33 -07:00
Eddie Hung 9156e18f92 Fix spacing 2019-03-19 16:12:32 -07:00
Eddie Hung f239cb821e Fix INIT for variable length SRs that have been bumped up one 2019-03-19 14:54:43 -07:00
Eddie Hung fadeadb8c8 Only accept <128 for variable length, only if $shiftx exclusive 2019-03-16 08:51:13 -07:00
Eddie Hung 29a8d4745e Cleanup synth_xilinx 2019-03-15 23:01:40 -07:00
Eddie Hung 06f8f2654a Working 2019-03-15 19:13:40 -07:00
Eddie Hung e7ef7fa443 Reverse bits in INIT parameter for Xilinx, since MSB is shifted first 2019-03-14 09:38:42 -07:00
Eddie Hung f1a8e8a480 Merge remote-tracking branch 'origin/master' into xc7srl 2019-03-14 08:59:19 -07:00
Eddie Hung 79b4a275ce Fix cells_map for SRL 2019-03-14 08:09:48 -07:00
Eddie Hung 24f129ddfb Refactor $__SHREG__ in cells_map.v 2019-03-13 16:17:54 -07:00
Keith Rothman 3090951d54 Changes required for VPR place and route synth_xilinx. 
Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
 2019-03-01 12:02:27 -08:00
Eddie Hung 8aab7fe7e6 Fix SRL16/32 techmap off-by-one 2019-02-28 13:56:00 -08:00
Eddie Hung fe4d6898de synth_xilinx to call shregmap with enable support 2019-02-28 11:17:13 -08:00
Eddie Hung 68f38f2ee0 synth_xilinx to use shregmap with -params too 2019-02-28 10:21:05 -08:00
Eddie Hung c29f0c5048 Add techmap rule for $__SHREG_DFF_P_ to SRL16/32 2019-02-28 09:31:24 -08:00