465 commits

Author	SHA1	Message	Date
Eddie Hung	c39b1a6fcf	Add comment about supporting $dffe in ice40_dsp	2019-08-01 15:13:18 -07:00
Eddie Hung	ed7540a46f	Pack P register properly	2019-08-01 15:10:43 -07:00
Eddie Hung	e19d33b003	Cope with sign extension in mul2dsp	2019-08-01 12:44:56 -07:00
Eddie Hung	c54a39069d	CO is sign extension only if signed multiplier	2019-08-01 10:00:49 -07:00
Eddie Hung	e3c39cc450	Fix typo	2019-08-01 10:00:01 -07:00
Eddie Hung	e4a638c292	Restore old CO behaviour	2019-07-31 15:45:15 -07:00
Eddie Hung	4c25d1a76f	Pop the CO bit from O	2019-07-26 10:27:30 -07:00
Eddie Hung	c1a05f4557	Allow adders/accumulators with 33 bits using CO output	2019-07-26 10:15:36 -07:00
Eddie Hung	79fd6edc5a	Eliminate warnings by sizing O correctly	2019-07-23 15:13:30 -07:00
Eddie Hung	a37574ccbf	Fix muxAB logic	2019-07-23 14:52:14 -07:00
Eddie Hung	0dd2a125f6	Remove debug print	2019-07-23 14:21:45 -07:00
Eddie Hung	dc0c853abe	Simplify and fix for MACs	2019-07-23 14:20:34 -07:00
Eddie Hung	4f11ff8ebd	Fix typo	2019-07-23 13:58:56 -07:00
Eddie Hung	33c984a044	Fix spacing	2019-07-22 16:37:13 -07:00
Eddie Hung	068617f094	Pack hi and lo registers separately	2019-07-22 16:12:57 -07:00
Eddie Hung	4d71ab384d	Rename according to vendor doc TN1295	2019-07-22 15:08:26 -07:00
Eddie Hung	304cefbbe2	Pack Y register	2019-07-22 15:05:16 -07:00
Eddie Hung	5a14b6e1f6	Pack adders not just accumulators	2019-07-22 13:01:49 -07:00
Eddie Hung	e0720a8018	Restore old ffY behaviour	2019-07-19 22:47:08 -07:00
Eddie Hung	f9d08a5e5e	Cleanup	2019-07-19 20:25:28 -07:00
Eddie Hung	9ad11ea2cc	Fine tune ice40_dsp.pmg, add support for packing subsets of registers	2019-07-19 10:57:32 -07:00
Eddie Hung	8f0e796be1	Add support for ice40 signed multipliers	2019-07-19 10:38:13 -07:00
Eddie Hung	09411dd996	ice40_dsp to accept $__MUL16X16 too	2019-07-18 15:38:28 -07:00
Eddie Hung	802470746c	Check if RHS is empty first	2019-07-18 15:22:00 -07:00
Eddie Hung	90ac147eb2	Do not autoremove ffP aor muxP	2019-07-18 15:02:41 -07:00
Eddie Hung	08fe63c61e	Improve pattern matcher to match subsets of $dffe? cells	2019-07-18 14:08:18 -07:00
Eddie Hung	79d63479ea	Improve A/B reg packing	2019-07-18 13:30:35 -07:00
Eddie Hung	e075f0dda0	Do not autoremove A/B registers since they might have other consumers	2019-07-18 13:22:22 -07:00
Eddie Hung	0727b2c902	Fix xilinx_dsp index cast	2019-07-18 13:18:04 -07:00
Eddie Hung	c76607b9bc	Wrong wildcard symbol	2019-07-18 08:14:58 -07:00
Eddie Hung	91629ee4b3	Pattern matcher to check pool of bits, not exactly	2019-07-17 12:45:25 -07:00
Eddie Hung	3f677fb0db	Signed extension	2019-07-16 15:54:07 -07:00
Eddie Hung	9616dbd125	Add support {A,B,P}REG packing	2019-07-16 14:06:32 -07:00
Eddie Hung	5f00d335d4	Oops forgot these files	2019-07-15 15:03:15 -07:00
Eddie Hung	dd59375a66	Add xilinx_dsp for register packing	2019-07-15 14:46:31 -07:00
Clifford Wolf	cb285e4b87	Do not use shiftmul peepopt pattern when mul result is truncated, fixes #1047 ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-05-28 17:17:56 +02:00
Clifford Wolf	b37c31e2cb	Bugfix in peepopt_shiftmul.pmg ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-05-06 15:34:19 +02:00
Clifford Wolf	2b29aa5c86	Update pmgen documentation ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-05-03 08:35:45 +02:00
Clifford Wolf	e8c5afcb84	Fix typo ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-05-03 08:25:30 +02:00
Clifford Wolf	b515fd2d25	Add peepopt_muldiv, fixes #930 ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-04-30 11:25:15 +02:00
Clifford Wolf	4306bebe58	pmgen progress ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-04-30 10:51:51 +02:00
Clifford Wolf	bb4f3642de	Some pmgen reorg, rename peepopt.pmg to peepopt_shiftmul.pmg ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-04-30 08:04:22 +02:00
Clifford Wolf	58238da133	Progress in shiftmul peepopt pattern ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-04-30 07:59:39 +02:00
Clifford Wolf	ea547bcaa3	Add "peepopt" skeleton ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-04-29 13:38:56 +02:00
Clifford Wolf	9f792c599d	Add pmgen support for multiple patterns in one matcher ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-04-29 13:02:05 +02:00
Clifford Wolf	32881a989c	Support multiple pmg files (right now just concatenated together) ... Signed-off-by: Clifford Wolf <clifford@clifford.at>	2019-04-29 12:09:02 +02:00
Eddie Hung	408161ea3a	Misspelling	2019-04-25 16:46:13 -07:00
Eddie Hung	0deaccbaae	Fix a few typos	2019-04-08 16:46:33 -07:00
Eddie Hung	d03780c3f4	Fix spelling in pmgen/README.md	2019-03-05 17:55:29 -08:00
Larry Doolittle	57f8bb471f	Try again for passes/pmgen/ice40_dsp_pm.h rule ... Tested on both in-tree and out-of-tree builds	2019-03-01 20:20:53 -08:00