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14 Commits

Author SHA1 Message Date
Marcelina Kościelnicka aee439360b Add force_downto and force_upto wire attributes. 
Fixes #2058.
 2020-05-19 01:42:40 +02:00
Eddie Hung 36e6da5396 Change synth_xilinx's -nomux to -minmuxf <int> 2019-06-24 10:04:01 -07:00
Eddie Hung bbf3ad90f5 Remove $_MUX4_ techmap rule 2019-06-21 18:12:33 -07:00
Eddie Hung aeee9dcad7 Simplify and comment out mux_map.v 2019-06-21 17:06:30 -07:00
Eddie Hung 29aee0989f mux_map to no longer copy last value into 1'bx 2019-06-21 16:55:59 -07:00
Eddie Hung 694d40719f Fix spacing again, A_forward -> A_backward 2019-06-21 16:47:07 -07:00
Eddie Hung 44fc616fc7 Revert B_SIGNED optimisation, since only works for Y_WIDTH==1 2019-06-21 16:18:14 -07:00
Eddie Hung 4d6fac019a Fix spacing 2019-06-21 16:06:13 -07:00
Eddie Hung c6b4653ebe Since muxcover uses MUX4s, blast them back to gates here 2019-06-21 11:13:01 -07:00
Eddie Hung 9faab38e8d mux_map to drop sign bit, and eliminate 'bx-es 2019-06-20 16:45:04 -07:00
Eddie Hung b63b2a0bd4 Revert "Remove wide mux inference" 
This reverts commit 738fdfe8f5.
 2019-06-14 12:50:24 -07:00
Eddie Hung 738fdfe8f5 Remove wide mux inference 2019-06-12 09:20:46 -07:00
Eddie Hung 88ae13e6a5 $__XILINX_MUX_ -> $__XILINX_SHIFTX 2019-06-06 15:32:36 -07:00
Eddie Hung e260150321 Add mux_map.v for wide mux 2019-06-04 09:51:47 -07:00