Commit Graph
2178 Commits
Author SHA1 Message Date
David Shah d38df68d26 xilinx: Add correct signed behaviour to DSP48E1 model
Signed-off-by: David Shah <[email protected]>
2019-07-16 17:53:08 +01:00
Eddie Hung ba8ccbdea8 Merge pull request #1186 from YosysHQ/eddie/abc9_ice40_fix
abc9/ice40: encapsulate SB_CARRY+SB_LUT4 into one box
2019-07-16 08:52:14 -07:00
David Shah 95c8d27b0b xilinx: Treat DSP48E1 as 24x17 unsigned for now (actual behaviour is 25x18 signed)
Signed-off-by: David Shah <[email protected]>
2019-07-16 16:47:53 +01:00
David Shah 8da4c1ad82 mul2dsp: Fix edge case where Y_WIDTH is less than B_WIDTH+`DSP_A_MAXWIDTH
Signed-off-by: David Shah <[email protected]>
2019-07-16 16:44:40 +01:00
David Shah 7a75f5f3ac mul2dsp: Fix indentation
Signed-off-by: David Shah <[email protected]>
2019-07-16 16:19:32 +01:00
Eddie Hung fd5b3593d8 Do not swap if equals 2019-07-15 16:52:37 -07:00
Eddie Hung 5f00d335d4 Oops forgot these files 2019-07-15 15:03:15 -07:00
Eddie Hung 42f8e68e76 OUT port to Y in generic DSP 2019-07-15 14:45:47 -07:00
Eddie Hung 0c7ee6d0fa Move DSP mapping back out to dsp_map.v 2019-07-15 14:18:44 -07:00
Eddie Hung 5fb27c071b $__ICE40_CARRY_LUT4 -> $__ICE40_FULL_ADDER as per @whitequark 2019-07-15 12:03:51 -07:00
Eddie Hung 91fcf034bc Only swap if B_WIDTH > A_WIDTH 2019-07-15 11:24:11 -07:00
Eddie Hung 1793e6018a Tidy up 2019-07-15 11:19:54 -07:00
Eddie Hung 20e3d2d9b0 Move DSP48E1 model out of cells_xtra, initial multiply one in cells_sim 2019-07-15 11:13:22 -07:00
Eddie Hung 146451a767 Merge remote-tracking branch 'origin/master' into xc7dsp 2019-07-15 09:49:41 -07:00
Eddie Hung d032198fac ice40_opt to $__ICE40_CARRY_LUT4 into $lut not SB_LUT 2019-07-13 01:11:00 -07:00
Clifford Wolf 463f710066 Merge pull request #1183 from whitequark/ice40-always-relut
synth_ice40: switch -relut to be always on
2019-07-12 10:48:00 +02:00
Eddie Hung 7a912f22b2 Use Const::from_string() not its constructor... 2019-07-12 01:32:10 -07:00
Eddie Hung 28274dfb09 Off by one 2019-07-12 01:17:53 -07:00
Eddie Hung e0e5d7d68e Fix spacing 2019-07-12 01:15:22 -07:00
Eddie Hung 4de03bd5e6 Remove double push 2019-07-12 01:08:48 -07:00
Eddie Hung 62ac5ebd02 Map to and from this box if -abc9 2019-07-12 00:53:01 -07:00
Eddie Hung 0f5bddcd79 ice40_opt to handle this box and opt back to SB_LUT4 2019-07-12 00:52:31 -07:00
Eddie Hung a79ff2501e Add new box to cells_sim.v 2019-07-12 00:52:19 -07:00
Eddie Hung c6e16e1334 _ABC macro will map and unmap to this new box 2019-07-12 00:51:37 -07:00
Eddie Hung fc3d74616f Combine SB_CARRY+SB_LUT into one $__ICE40_CARRY_LUT4 box 2019-07-12 00:50:42 -07:00
Eddie Hung 1c9f3fadb9 Add Tsu offset to boxes, and comments 2019-07-11 17:17:26 -07:00
Eddie Hung d386177e6d ABC doesn't like negative delays in flop boxes... 2019-07-11 17:09:17 -07:00
Eddie Hung 3ef927647c Fix FDCE_1 box 2019-07-11 14:25:47 -07:00
Eddie Hung 1ada568134 Revert "$pastQ should be first input"
This reverts commit 8f9d529929.
2019-07-11 14:23:45 -07:00
Eddie Hung 854333f2af Propagate INIT attr 2019-07-11 13:55:47 -07:00
Eddie Hung 8f9d529929 $pastQ should be first input 2019-07-11 13:54:40 -07:00
Eddie Hung 021f8e5492 Fix typo 2019-07-11 13:23:07 -07:00
whitequark b700a4b1c5 synth_ice40: switch -relut to be always on. 2019-07-11 20:18:41 +00:00
whitequark a8c5f7f41e synth_ice40: fix help text typo. NFC. 2019-07-11 20:18:41 +00:00
Eddie Hung 19c1c3cfa3 Merge pull request #1182 from koriakin/xc6s-bram
synth_xilinx: Initial Spartan 6 block RAM inference support.
2019-07-11 12:55:35 -07:00
Marcin Kościelnicki a9efacd01d xilinx: Fix the default values for FDPE/FDSE INIT attributes to match ISE/Vivado. 2019-07-11 21:13:12 +02:00
Eddie Hung 8fef4c3594 Simplify to $__ABC_ASYNC box 2019-07-11 10:52:33 -07:00
Eddie Hung 93fbd56db1 $__ABC_FD_ASYNC_MUX.Q -> Y 2019-07-11 10:25:59 -07:00
Marcin Kościelnicki ce250b341c synth_xilinx: Initial Spartan 6 block RAM inference support. 2019-07-11 14:45:48 +02:00
Eddie Hung d357431df1 Restore from master 2019-07-10 22:54:39 -07:00
Eddie Hung f984e0cb34 Another typo 2019-07-10 22:33:35 -07:00
Eddie Hung ea6ffea2cd Fix clk_pol for FD*_1 2019-07-10 20:10:20 -07:00
Eddie Hung 7899a06ed6 Another typo 2019-07-10 19:59:24 -07:00
Eddie Hung ad35b509de Another typo 2019-07-10 19:05:53 -07:00
Eddie Hung f3511e4f93 Use \$currQ 2019-07-10 19:01:13 -07:00
Eddie Hung f030be3f1c Preserve all parameters, plus some extra ones for clk/en polarity 2019-07-10 18:57:11 -07:00
Eddie Hung 4a995c5d80 Change how to specify flops to ABC again 2019-07-10 17:54:56 -07:00
Eddie Hung 3bb48facb2 Remove params from FD*_1 variants 2019-07-10 17:17:54 -07:00
Eddie Hung 0372c900e8 Fix typo, and have !{PRE,CLR} behave as CE 2019-07-10 17:15:49 -07:00
Eddie Hung 7b2599cb94 Move ABC FF stuff to abc_ff.v; add support for other FD* types 2019-07-10 17:06:05 -07:00