2245 commits

Author	SHA1	Message	Date
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
Eddie Hung	3b9b0fcd06	Tidy up synth_ice40, only restrict DSP_B_MINWIDTH=2	2019-09-19 14:57:38 -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
Eddie Hung	3ec28ec53a	Merge pull request #1379 from mmicko/sim_models ... Added simulation models for Efinix and Anlogic	2019-09-18 10:04:27 -07:00
Miodrag Milanovic	3e9449cb0b	make note that it is for latch mode	2019-09-18 17:48:16 +02:00
Miodrag Milanovic	b0ca6de472	better lut handling	2019-09-18 17:45:19 +02:00
Miodrag Milanovic	8badd4d812	better handling of lut and begin/end add	2019-09-18 17:45:07 +02:00
Marcin Kościelnicki	09ac36da60	xilinx: Make blackbox library family-dependent. ... Fixes #1246.	2019-09-15 13:37:24 +02:00
Miodrag Milanovic	3487b95224	Added simulation models for Efinix and Anlogic	2019-09-15 09:37:16 +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	f2d030a70f	Be sensitive to signedness	2019-09-10 15:14:55 -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
Pepijn de Vos	2fb20f184a	Revert "add MUX support" ... It turns out that they make everything worse and they don't PnR. This reverts commit 3eff2271d0.	2019-09-06 11:28:17 +02:00
Pepijn de Vos	96efa63f16	fix BRAM width and init	2019-09-06 10:55:04 +02:00
Pepijn de Vos	1b9f7f49b5	add more DFF to sim lib	2019-09-06 09:01:07 +02:00
Eddie Hung	e742478e1d	Merge remote-tracking branch 'origin/master' into xc7dsp	2019-09-05 13:01:27 -07:00
Pepijn de Vos	5168b6ffa4	WIP aditional DFF primitives	2019-09-05 19:12:47 +02:00
Pepijn de Vos	47374a495d	support bram initialisation	2019-09-05 17:25:51 +02:00
Pepijn de Vos	7a43be5e43	use singleton ground and vcc nets, apparently this makes pnr happier	2019-09-05 16:38:47 +02:00
Pepijn de Vos	3eff2271d0	add MUX support	2019-09-05 13:36:41 +02:00
Eddie Hung	aa1491add3	Resolve TODO with pin assignments for SRL*	2019-09-04 15:47:36 -07:00
Eddie Hung	3732d421c5	Merge remote-tracking branch 'origin/master' into xc7dsp	2019-09-04 12:37:42 -07:00
Pepijn de Vos	ae93c034ad	set undriven pads to zero	2019-09-04 16:29:40 +02:00
Pepijn de Vos	a6d81a8d14	Merge remote-tracking branch 'diego/gowin'	2019-09-04 11:20:05 +02:00