Eddie Hung [Thu, 1 Aug 2019 17:00:49 +0000 (10:00 -0700)]
CO is sign extension only if signed multiplier
Eddie Hung [Thu, 1 Aug 2019 17:00:01 +0000 (10:00 -0700)]
Fix typo
Eddie Hung [Wed, 31 Jul 2019 23:04:19 +0000 (16:04 -0700)]
Do not compute sign bit if result is zero
Eddie Hung [Wed, 31 Jul 2019 22:45:41 +0000 (15:45 -0700)]
For signed multipliers, compute sign bit separately...
Eddie Hung [Wed, 31 Jul 2019 22:45:15 +0000 (15:45 -0700)]
Restore old CO behaviour
Eddie Hung [Wed, 31 Jul 2019 19:18:03 +0000 (12:18 -0700)]
Helper: SigSpec::operator[] to accept negative indices
Eddie Hung [Fri, 26 Jul 2019 22:30:51 +0000 (15:30 -0700)]
Fix spacing
Eddie Hung [Fri, 26 Jul 2019 19:37:30 +0000 (12:37 -0700)]
Update test_autotb doc to reflect default value of zero
Eddie Hung [Fri, 26 Jul 2019 19:26:54 +0000 (12:26 -0700)]
Add doc for "test_autotb -seed" option
Eddie Hung [Fri, 26 Jul 2019 17:27:30 +0000 (10:27 -0700)]
Pop the CO bit from O
Eddie Hung [Fri, 26 Jul 2019 17:15:36 +0000 (10:15 -0700)]
Allow adders/accumulators with 33 bits using CO output
Eddie Hung [Wed, 24 Jul 2019 17:49:09 +0000 (10:49 -0700)]
Add copyright header, comment on cascade
Eddie Hung [Tue, 23 Jul 2019 22:13:30 +0000 (15:13 -0700)]
Eliminate warnings by sizing O correctly
Eddie Hung [Tue, 23 Jul 2019 22:05:20 +0000 (15:05 -0700)]
Typo for Y_WIDTH
Eddie Hung [Tue, 23 Jul 2019 21:52:14 +0000 (14:52 -0700)]
Fix muxAB logic
Eddie Hung [Tue, 23 Jul 2019 21:21:45 +0000 (14:21 -0700)]
Remove debug print
Eddie Hung [Tue, 23 Jul 2019 21:20:34 +0000 (14:20 -0700)]
Simplify and fix for MACs
Eddie Hung [Tue, 23 Jul 2019 20:58:56 +0000 (13:58 -0700)]
Fix typo
Eddie Hung [Mon, 22 Jul 2019 23:37:13 +0000 (16:37 -0700)]
Fix spacing
Eddie Hung [Mon, 22 Jul 2019 23:14:15 +0000 (16:14 -0700)]
Remove debug
Eddie Hung [Mon, 22 Jul 2019 23:12:57 +0000 (16:12 -0700)]
Pack hi and lo registers separately
Eddie Hung [Mon, 22 Jul 2019 23:10:21 +0000 (16:10 -0700)]
SigSpec::extract() to return as many bits as poss if out of bounds
Eddie Hung [Mon, 22 Jul 2019 22:08:26 +0000 (15:08 -0700)]
Rename according to vendor doc TN1295
Eddie Hung [Mon, 22 Jul 2019 22:05:16 +0000 (15:05 -0700)]
Pack Y register
Eddie Hung [Mon, 22 Jul 2019 20:48:33 +0000 (13:48 -0700)]
opt and wreduce necessary for -dsp
Eddie Hung [Mon, 22 Jul 2019 20:01:49 +0000 (13:01 -0700)]
Pack adders not just accumulators
Eddie Hung [Mon, 22 Jul 2019 20:01:26 +0000 (13:01 -0700)]
Use minimum sized width wires
Eddie Hung [Sat, 20 Jul 2019 05:47:08 +0000 (22:47 -0700)]
Restore old ffY behaviour
Eddie Hung [Sat, 20 Jul 2019 03:25:28 +0000 (20:25 -0700)]
Cleanup
Eddie Hung [Sat, 20 Jul 2019 03:20:33 +0000 (20:20 -0700)]
Indirection via $__soft_mul
Eddie Hung [Fri, 19 Jul 2019 22:50:13 +0000 (15:50 -0700)]
Do not do sign extension in techmap; let packer do it
Eddie Hung [Fri, 19 Jul 2019 21:03:34 +0000 (14:03 -0700)]
Merge remote-tracking branch 'origin/eddie/wreduce_add' into ice40dsp
Eddie Hung [Fri, 19 Jul 2019 21:02:46 +0000 (14:02 -0700)]
Add another test
Eddie Hung [Fri, 19 Jul 2019 20:58:50 +0000 (13:58 -0700)]
Do not access beyond bounds
Eddie Hung [Fri, 19 Jul 2019 20:54:57 +0000 (13:54 -0700)]
Add an SigSpec::at(offset, defval) convenience method
Eddie Hung [Fri, 19 Jul 2019 20:23:07 +0000 (13:23 -0700)]
Wrap A and B in sigmap
Eddie Hung [Fri, 19 Jul 2019 20:20:45 +0000 (13:20 -0700)]
Remove "top" from message
Eddie Hung [Fri, 19 Jul 2019 20:18:20 +0000 (13:18 -0700)]
Merge remote-tracking branch 'origin/eddie/wreduce_add' into ice40dsp
Eddie Hung [Fri, 19 Jul 2019 20:11:48 +0000 (13:11 -0700)]
Also optimise MSB of $sub
Eddie Hung [Fri, 19 Jul 2019 20:11:30 +0000 (13:11 -0700)]
Add one more test with trimming Y_WIDTH of $sub
Eddie Hung [Fri, 19 Jul 2019 19:53:18 +0000 (12:53 -0700)]
Be more explicit
Eddie Hung [Fri, 19 Jul 2019 19:50:21 +0000 (12:50 -0700)]
wreduce for $sub
Eddie Hung [Fri, 19 Jul 2019 19:50:11 +0000 (12:50 -0700)]
Add tests for sub too
Eddie Hung [Fri, 19 Jul 2019 19:43:02 +0000 (12:43 -0700)]
Add test
Eddie Hung [Fri, 19 Jul 2019 19:34:04 +0000 (12:34 -0700)]
SigSpec::extract to take negative lengths
Eddie Hung [Fri, 19 Jul 2019 18:54:26 +0000 (11:54 -0700)]
Do not $mul -> $__mul if A and B are less than maxwidth
Eddie Hung [Fri, 19 Jul 2019 18:41:00 +0000 (11:41 -0700)]
Add DSP_MINWIDTH=11 for ice40 since ice40_dsp uses this threshold
Eddie Hung [Fri, 19 Jul 2019 18:39:24 +0000 (11:39 -0700)]
Add a DSP_MINWIDTH macro, and soft-logic for {A_WIDTH,B_WIDTH} <= 1 too
Eddie Hung [Fri, 19 Jul 2019 17:57:32 +0000 (10:57 -0700)]
Fine tune ice40_dsp.pmg, add support for packing subsets of registers
Eddie Hung [Fri, 19 Jul 2019 17:38:13 +0000 (10:38 -0700)]
Add support for ice40 signed multipliers
Eddie Hung [Fri, 19 Jul 2019 17:28:38 +0000 (10:28 -0700)]
Merge branch 'xc7dsp' into ice40dsp
Eddie Hung [Fri, 19 Jul 2019 17:27:44 +0000 (10:27 -0700)]
Fix typo in B
Eddie Hung [Fri, 19 Jul 2019 16:40:47 +0000 (09:40 -0700)]
Merge remote-tracking branch 'origin/eddie/signed_ice40_dsp' into ice40dsp
David Shah [Fri, 19 Jul 2019 16:33:57 +0000 (17:33 +0100)]
ice40: Fix test_dsp_model.sh
Signed-off-by: David Shah <dave@ds0.me>
David Shah [Fri, 19 Jul 2019 16:33:41 +0000 (17:33 +0100)]
ice40/cells_sim.v: Fix sign of J and K partial products
Signed-off-by: David Shah <dave@ds0.me>
Eddie Hung [Fri, 19 Jul 2019 16:16:13 +0000 (09:16 -0700)]
Use sign_headroom instead
David Shah [Fri, 19 Jul 2019 16:13:34 +0000 (17:13 +0100)]
ice40/cells_sim.v: LSB of A/B only signed in 8x8 mode
Signed-off-by: David Shah <dave@ds0.me>
Eddie Hung [Fri, 19 Jul 2019 15:52:49 +0000 (08:52 -0700)]
Add tests for all combinations of A and B signedness for comb mul
Eddie Hung [Fri, 19 Jul 2019 15:45:35 +0000 (08:45 -0700)]
Don't copy ref if exists already
Eddie Hung [Fri, 19 Jul 2019 04:03:54 +0000 (21:03 -0700)]
Fix SB_MAC sim model -- do not sign extend internal products?
Eddie Hung [Fri, 19 Jul 2019 04:02:49 +0000 (21:02 -0700)]
Add params
Eddie Hung [Fri, 19 Jul 2019 03:37:39 +0000 (20:37 -0700)]
Merge remote-tracking branch 'origin/master' into ice40dsp
Eddie Hung [Fri, 19 Jul 2019 03:36:48 +0000 (20:36 -0700)]
Merge remote-tracking branch 'origin/master' into xc7dsp
Eddie Hung [Thu, 18 Jul 2019 23:04:58 +0000 (16:04 -0700)]
Do not define `DSP_SIGNEDONLY macro if no exists
Eddie Hung [Thu, 18 Jul 2019 22:45:25 +0000 (15:45 -0700)]
Merge remote-tracking branch 'origin/master' into ice40dsp
Eddie Hung [Thu, 18 Jul 2019 22:38:28 +0000 (15:38 -0700)]
ice40_dsp to accept $__MUL16X16 too
Eddie Hung [Thu, 18 Jul 2019 22:38:09 +0000 (15:38 -0700)]
synth_ice40 to decompose into 16x16
Eddie Hung [Thu, 18 Jul 2019 22:37:35 +0000 (15:37 -0700)]
mul2dsp to create cells that can be interchanged with $mul
Eddie Hung [Thu, 18 Jul 2019 22:22:00 +0000 (15:22 -0700)]
Check if RHS is empty first
Eddie Hung [Thu, 18 Jul 2019 22:21:23 +0000 (15:21 -0700)]
Make consistent
Eddie Hung [Thu, 18 Jul 2019 22:02:41 +0000 (15:02 -0700)]
Do not autoremove ffP aor muxP
Eddie Hung [Thu, 18 Jul 2019 21:08:18 +0000 (14:08 -0700)]
Improve pattern matcher to match subsets of $dffe? cells
Eddie Hung [Thu, 18 Jul 2019 20:30:35 +0000 (13:30 -0700)]
Improve A/B reg packing
Eddie Hung [Thu, 18 Jul 2019 20:22:22 +0000 (13:22 -0700)]
Do not autoremove A/B registers since they might have other consumers
Eddie Hung [Thu, 18 Jul 2019 20:18:04 +0000 (13:18 -0700)]
Fix xilinx_dsp index cast
Eddie Hung [Thu, 18 Jul 2019 20:11:26 +0000 (13:11 -0700)]
Fix signed multiplier decomposition
Eddie Hung [Thu, 18 Jul 2019 20:09:55 +0000 (13:09 -0700)]
Use single DSP_SIGNEDONLY macro
David Shah [Thu, 18 Jul 2019 18:04:28 +0000 (19:04 +0100)]
Merge pull request #1208 from ZirconiumX/intel_cleanups
Assorted synth_intel cleanups from @bwidawsk
Dan Ravensloft [Thu, 18 Jul 2019 17:41:34 +0000 (18:41 +0100)]
synth_intel: Use stringf
Eddie Hung [Thu, 18 Jul 2019 17:53:18 +0000 (10:53 -0700)]
Working for unsigned
David Shah [Thu, 18 Jul 2019 16:34:55 +0000 (17:34 +0100)]
Merge pull request #1207 from ZirconiumX/intel_new_pass_names
synth_intel: rename for consistency with #1184
Dan Ravensloft [Thu, 18 Jul 2019 16:28:21 +0000 (17:28 +0100)]
synth_intel: s/not family/no family/
Eddie Hung [Thu, 18 Jul 2019 16:20:48 +0000 (09:20 -0700)]
Cleanup
Dan Ravensloft [Thu, 18 Jul 2019 16:08:52 +0000 (17:08 +0100)]
synth_intel: revert change to run_max10
Ben Widawsky [Mon, 8 Jul 2019 19:41:22 +0000 (12:41 -0700)]
intel_synth: Fix help message
cyclonev has been a "supported" family since the initial commit. The old
commit message suggested to use a10gx which is incorrect.
Aside from the obvious lack of functional change due to this just being
a help message, users who were previously using "a10gx" for "cyclonev" will
also have no functional change by using "cyclonev" instead.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Ben Widawsky [Mon, 8 Jul 2019 19:37:24 +0000 (12:37 -0700)]
intel_synth: Small code cleanup to remove if ladder
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Ben Widawsky [Mon, 8 Jul 2019 19:24:24 +0000 (12:24 -0700)]
intel_synth: Make family explicit and match
The help and code default to MAX10 for the family, however the couple of
if ladders defaulted to cycloneive. Fix this inconsistency and the next
patch will clean it up.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Ben Widawsky [Mon, 8 Jul 2019 19:03:00 +0000 (12:03 -0700)]
intel_synth: Minor code cleanups
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Dan Ravensloft [Thu, 18 Jul 2019 15:46:21 +0000 (16:46 +0100)]
synth_intel: rename for consistency with #1184
Also fix a typo in the help message.
Eddie Hung [Thu, 18 Jul 2019 15:14:58 +0000 (08:14 -0700)]
Wrong wildcard symbol
Eddie Hung [Thu, 18 Jul 2019 15:11:33 +0000 (08:11 -0700)]
Merge branch 'xc7dsp' of github.com:YosysHQ/yosys into xc7dsp
Clifford Wolf [Thu, 18 Jul 2019 13:34:28 +0000 (15:34 +0200)]
Merge pull request #1184 from whitequark/synth-better-labels
synth_{ice40,ecp5}: more sensible pass label naming
Clifford Wolf [Thu, 18 Jul 2019 13:31:27 +0000 (15:31 +0200)]
Merge pull request #1203 from whitequark/write_verilog-zero-width-values
write_verilog: dump zero width constants correctly
David Shah [Thu, 18 Jul 2019 10:33:37 +0000 (11:33 +0100)]
mul2dsp: Lower partial products always have unsigned inputs
Signed-off-by: David Shah <dave@ds0.me>
Eddie Hung [Wed, 17 Jul 2019 21:25:40 +0000 (14:25 -0700)]
Make all operands signed
Eddie Hung [Wed, 17 Jul 2019 20:26:17 +0000 (13:26 -0700)]
Update comment
Eddie Hung [Wed, 17 Jul 2019 19:45:25 +0000 (12:45 -0700)]
Pattern matcher to check pool of bits, not exactly
Eddie Hung [Wed, 17 Jul 2019 19:44:52 +0000 (12:44 -0700)]
Fix mul2dsp signedness
Eddie Hung [Wed, 17 Jul 2019 18:34:18 +0000 (11:34 -0700)]
A_SIGNED == B_SIGNED so flip both
Eddie Hung [Wed, 17 Jul 2019 17:44:11 +0000 (10:44 -0700)]
SigSpec::remove_const() to return SigSpec&