2470 commits

Author	SHA1	Message	Date
Eddie Hung	4fadb471a3	Re-enable dist RAM boxes for ECP5	2019-06-24 22:12:50 -07:00
Eddie Hung	a4a7e63d84	Revert "Re-enable dist RAM boxes for ECP5" ... This reverts commit ca0225fcfa.	2019-06-24 22:10:28 -07:00
Eddie Hung	ca0225fcfa	Re-enable dist RAM boxes for ECP5	2019-06-24 21:55:54 -07:00
Eddie Hung	152e682bd5	Add Xilinx dist RAM as comb boxes	2019-06-24 21:54:01 -07:00
Eddie Hung	f1675b88f6	Merge remote-tracking branch 'origin/eddie/ram32x1d' into xc7mux	2019-06-24 16:39:18 -07:00
Eddie Hung	efd04880db	Add RAM32X1D support	2019-06-24 16:16:50 -07:00
Eddie Hung	c3df895bf4	Reduce MuxFx resources in mux techmapping	2019-06-24 15:16:44 -07:00
Eddie Hung	db6a0b72b2	Reduce number of decomposed muxes during techmap	2019-06-24 14:28:56 -07:00
Eddie Hung	2e7992efff	Revert "Fix techmapping muxes some more" ... This reverts commit 0aae3b4f43.	2019-06-24 14:15:31 -07:00
Eddie Hung	7fbfcf20d1	Move comment	2019-06-24 14:15:00 -07:00
Eddie Hung	0aae3b4f43	Fix techmapping muxes some more	2019-06-24 12:50:48 -07:00
Eddie Hung	2b4501503d	Fix mux techmapping	2019-06-24 12:18:17 -07:00
Eddie Hung	aa1eeda567	Modify costs for muxcover	2019-06-24 11:51:55 -07:00
Eddie Hung	36e6da5396	Change synth_xilinx's -nomux to -minmuxf <int>	2019-06-24 10:04:01 -07:00
Eddie Hung	d54dceb547	Merge remote-tracking branch 'origin/xaig' into xc7mux	2019-06-22 19:44:17 -07:00
Eddie Hung	6027549464	Add comments to ecp5 box	2019-06-22 14:33:47 -07:00
Eddie Hung	792d0670c3	Add comment to xc7 box	2019-06-22 14:28:24 -07:00
Eddie Hung	63182ed57d	Fix and cleanup ice40 boxes for carry in/out	2019-06-22 14:27:41 -07:00
Eddie Hung	7903ebe3e0	Carry in/out box ordering now move to end, not swap with end	2019-06-22 14:18:42 -07:00
Eddie Hung	65c022c257	Remove DFF and RAMD box info for now	2019-06-21 20:41:14 -07:00
Eddie Hung	bbf3ad90f5	Remove $_MUX4_ techmap rule	2019-06-21 18:12:33 -07:00
Eddie Hung	39e0e006d5	Fix wreduce call (!!!), tweak muxcover costs	2019-06-21 18:12:07 -07:00
Eddie Hung	6c2cb51996	Merge remote-tracking branch 'origin/xaig' into xc7mux	2019-06-21 17:44:21 -07:00
Eddie Hung	1abe93e48d	Merge remote-tracking branch 'origin/master' into xaig	2019-06-21 17:43:29 -07:00
Eddie Hung	faa2d6fc1c	Constrain wreduce only if wide mux	2019-06-21 17:12:34 -07:00
Eddie Hung	aeee9dcad7	Simplify and comment out mux_map.v	2019-06-21 17:06:30 -07:00
Eddie Hung	ed00823b41	synth_xilinx to now wreduce except $mux, remove extra peepopt	2019-06-21 16:56:56 -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	8bce3fb329	Fix spacing	2019-06-21 16:55:34 -07:00
Eddie Hung	694d40719f	Fix spacing again, A_forward -> A_backward	2019-06-21 16:47:07 -07:00
Eddie Hung	11886c874c	Restore wreduce to synth_xilinx, after muxcover	2019-06-21 16:18:29 -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	aa0b107afb	synth_xilinx to use _ABC macro, and perform muxpack again	2019-06-21 15:48:20 -07:00
Eddie Hung	9abde12110	Add $__XILINX_MUXF78 to preserve entire box	2019-06-21 15:47:42 -07:00
Eddie Hung	7acbea6b28	Fix alignment	2019-06-21 14:38:30 -07:00
Eddie Hung	f433a52374	Add FIXME about need for -mux4	2019-06-21 11:15:23 -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	dd22edcd28	Expand synth -coarse without wreduce, move muxcover	2019-06-21 11:12:32 -07:00
David Shah	a0d3d2bb41	ecp5: Improve mapping of $alu when BI is used ... Signed-off-by: David Shah <dave@ds0.me>	2019-06-21 09:45:11 +01:00
Eddie Hung	e612dade12	Merge remote-tracking branch 'origin/master' into xaig	2019-06-20 19:00:36 -07:00
Eddie Hung	f11c9a419b	Call opt_expr -mux_undef to get rid of 1'bx in muxes prior to abc	2019-06-20 17:38:16 -07:00
Eddie Hung	d1dadfcec8	Call opt_expr -mux_undef to get rid of 1'bx in muxes prior to abc	2019-06-20 16:45:09 -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	f374e0ab7e	Merge remote-tracking branch 'origin/master' into xc7mux	2019-06-20 10:18:01 -07:00
acw1251	ce29ede801	Fixed small typo in ice40_unlut help summary	2019-06-19 16:39:46 -04:00
acw1251	0d888ee7ed	Fixed the help summary line for a few commands	2019-06-19 15:27:04 -04:00
Eddie Hung	4ca847a217	Merge remote-tracking branch 'origin/xaig' into xc7mux	2019-06-18 11:49:54 -07:00
Eddie Hung	8e0a47fb92	Really permute Xilinx LUT mappings as default LUT6.I5:A6	2019-06-18 11:48:48 -07:00
Eddie Hung	8f5e6d73ff	Revert "Fix (do not) permute LUT inputs, but permute mux selects" ... This reverts commit da3d2eedd2.	2019-06-18 11:35:21 -07:00