riscv
/
yosys
mirror of https://github.com/YosysHQ/yosys.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
6,391 Commits 81 Branches 48 Tags 63 MiB
Commit Graph

6391 Commits

Author SHA1 Message Date
Eddie Hung d2c33863d0 Do not compute sign bit if result is zero 2019-07-31 16:04:19 -07:00
Eddie Hung 60c4887d15 For signed multipliers, compute sign bit separately... 2019-07-31 15:45:41 -07:00
Eddie Hung e4a638c292 Restore old CO behaviour 2019-07-31 15:45:15 -07:00
Eddie Hung 84c7a562e5 Helper: SigSpec::operator[] to accept negative indices 2019-07-31 12:18:03 -07:00
Eddie Hung 2f71c2c219 Fix spacing 2019-07-26 15:30:51 -07:00
Eddie Hung 07e38d8d5c Update test_autotb doc to reflect default value of zero 2019-07-26 12:37:30 -07:00
Eddie Hung 8cecad5059 Add doc for "test_autotb -seed" option 2019-07-26 12:26:54 -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 c39ccc65e9 Add copyright header, comment on cascade 2019-07-24 10:49:09 -07:00
Eddie Hung 79fd6edc5a Eliminate warnings by sizing O correctly 2019-07-23 15:13:30 -07:00
Eddie Hung 151c5c96c0 Typo for Y_WIDTH 2019-07-23 15:05:20 -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 cb505c50d3 Remove debug 2019-07-22 16:14:15 -07:00
Eddie Hung 068617f094 Pack hi and lo registers separately 2019-07-22 16:12:57 -07:00
Eddie Hung 8c31441ba0 SigSpec::extract() to return as many bits as poss if out of bounds 2019-07-22 16:10:21 -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 5e70b8a22b opt and wreduce necessary for -dsp 2019-07-22 13:48:33 -07:00
Eddie Hung 5a14b6e1f6 Pack adders not just accumulators 2019-07-22 13:01:49 -07:00
Eddie Hung 3a7aeb028d Use minimum sized width wires 2019-07-22 13:01:26 -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 47fd042b9f Indirection via $__soft_mul 2019-07-19 20:20:33 -07:00
Eddie Hung 595a8f032f Do not do sign extension in techmap; let packer do it 2019-07-19 15:50:13 -07:00
Eddie Hung e87916b7eb Merge remote-tracking branch 'origin/eddie/wreduce_add' into ice40dsp 2019-07-19 14:03:34 -07:00
Eddie Hung c926eeb43a Add another test 2019-07-19 14:02:46 -07:00
Eddie Hung cb0fd05215 Do not access beyond bounds 2019-07-19 13:58:50 -07:00
Eddie Hung 54708dfbd7 Add an SigSpec::at(offset, defval) convenience method 2019-07-19 13:54:57 -07:00
Eddie Hung 3a87dc3524 Wrap A and B in sigmap 2019-07-19 13:23:07 -07:00
Eddie Hung 31b0002e8c Remove "top" from message 2019-07-19 13:20:45 -07:00
Eddie Hung 8791e0caac Merge remote-tracking branch 'origin/eddie/wreduce_add' into ice40dsp 2019-07-19 13:18:20 -07:00
Eddie Hung bcd8027182 Also optimise MSB of $sub 2019-07-19 13:11:48 -07:00
Eddie Hung 5bd088a686 Add one more test with trimming Y_WIDTH of $sub 2019-07-19 13:11:30 -07:00
Eddie Hung 415a2716df Be more explicit 2019-07-19 12:53:18 -07:00
Eddie Hung fc0e36d1c0 wreduce for $sub 2019-07-19 12:50:21 -07:00
Eddie Hung 4e9b1d36fa Add tests for sub too 2019-07-19 12:50:11 -07:00
Eddie Hung 3839bd50f2 Add test 2019-07-19 12:43:02 -07:00
Eddie Hung 25ff27e37f SigSpec::extract to take negative lengths 2019-07-19 12:34:04 -07:00
Eddie Hung bba72f03dd Do not $mul -> $__mul if A and B are less than maxwidth 2019-07-19 11:54:26 -07:00
Eddie Hung 3dc3c749d5 Add DSP_MINWIDTH=11 for ice40 since ice40_dsp uses this threshold 2019-07-19 11:41:00 -07:00
Eddie Hung 1d14cec7fd Add a DSP_MINWIDTH macro, and soft-logic for {A_WIDTH,B_WIDTH} <= 1 too 2019-07-19 11:39:24 -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 7bdb3996e2 Merge branch 'xc7dsp' into ice40dsp 2019-07-19 10:28:38 -07:00
Eddie Hung ca94c2d3c4 Fix typo in B 2019-07-19 10:27:44 -07:00