Jannis Harder
96a1173598
btor: Support $anyinit cells
2022-08-16 13:37:30 +02:00
Jannis Harder
a5e1d3b997
formalff: Set new replaced_by_gclk attribute on removed dff's clks
...
This attribute can be used by formal backends to indicate which clocks
were mapped to the global clock. Update the btor and smt2 backend which
already handle clock inputs to understand this attribute.
2022-08-16 13:37:30 +02:00
Jannis Harder
930bcf0e75
smt2, btor: Revert calling memory_map -rom-only
...
This approach had major issues with ROMs whose initialization was not
fully defined. If required, memory_map -rom-only -keepdc should be
called early in a formal flow instead. (This does require a careful
choice of optimization passes though. Sby's scripts will be updated
accordingly.)
2022-06-29 18:28:34 +02:00
Jannis Harder
d78d807a7f
memory_map: -keepdc option for formal
...
Use it when invoking memory_map -rom-only from write_{smt2,btor}.
2022-06-27 15:47:55 +02:00
Kevin Läufer
de5c4bf523
btor: add support for $pos cell
2022-06-20 16:40:46 -07:00
Jannis Harder
4adef63cd4
smt2, btor: Use memory_map -rom-only to make ROMs usable for k-induction
...
This avoids provability regressions now that we infer more ROMs.
This fixes #3378
2022-06-17 17:23:13 +02:00
Claire Xenia Wolf
3fb32540ea
Add propagated clock signals into btor info file
2022-05-04 08:10:18 +02:00
Claire Xenia Wolf
d340f302f6
Fix handling of some formal cells in btor back-end
...
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
2022-03-11 14:21:12 +01:00
Miodrag Milanovic
ebe2ee431e
handle state names of $anyconst and $anyseq
2022-03-11 14:04:02 +01:00
Marcelina Kościelnicka
93508d58da
Add $bmux and $demux cells.
2022-01-28 23:34:41 +01:00
Marcelina Kościelnicka
e7d89e653c
Hook up $aldff support in various passes.
2021-10-02 21:01:21 +02:00
Claire Xenia Wolf
72787f52fc
Fixing old e-mail addresses and deadnames
...
s/((Claire|Xen|Xenia|Clifford)\s+)+(Wolf|Xen)\s+<(claire|clifford)@(symbioticeda.com|clifford.at|yosyshq.com)>/Claire Xenia Wolf <claire@yosyshq.com>/gi;
s/((Nina|Nak|N\.)\s+)+Engelhardt\s+<nak@(symbioticeda.com|yosyshq.com)>/N. Engelhardt <nak@yosyshq.com>/gi;
s/((David)\s+)+Shah\s+<(dave|david)@(symbioticeda.com|yosyshq.com|ds0.me)>/David Shah <dave@ds0.me>/gi;
s/((Miodrag)\s+)+Milanovic\s+<(miodrag|micko)@(symbioticeda.com|yosyshq.com)>/Miodrag Milanovic <micko@yosyshq.com>/gi;
s,https?://www.clifford.at/yosys/,http://yosyshq.net/yosys/,g ;
2021-06-08 00:39:36 +02:00
Marcelina Kościelnicka
cbf6b719fe
Make a few passes auto-call Mem::narrow instead of rejecting wide ports.
...
This essentially adds wide port support for free in passes that don't
have a usefully better way of handling wide ports than just breaking
them up to narrow ports, avoiding "please run memory_narrow" annoyance.
2021-05-28 00:40:56 +02:00
Marcelina Kościelnicka
69bf5c81c7
Reject wide ports in some passes that will never support them.
2021-05-25 02:07:25 +02:00
Marcelina Kościelnicka
33513d923a
btor: Use is_mem_cell in one more place.
2021-05-23 20:34:52 +02:00
Marcelina Kościelnicka
c4cc888b2c
kernel/rtlil: Extract some helpers for checking memory cell types.
...
There will soon be more (versioned) memory cells, so handle passes that
only care if a cell is memory-related by a simple helper call instead of
a hardcoded list.
2021-05-22 21:43:00 +02:00
Marcelina Kościelnicka
979347999f
btor, smt2, smv: Add a hint on how to deal with funny FF types.
2021-02-25 22:04:04 +01:00
Marcelina Kościelnicka
2d340cd355
btor: Use Mem helper.
2020-10-21 17:51:20 +02:00
Xiretza
928fd40c2e
Respect \A_SIGNED for $shift
...
This reflects the behaviour of $shr/$shl, which sign-extend their A
operands to the size of their output, then do a logical shift (shift in
0-bits).
2020-08-18 19:36:24 +02:00
whitequark
7191dd16f9
Use C++11 final/override keywords.
2020-06-18 23:34:52 +00:00
N. Engelhardt
82798ae575
btor backend: make not printing internal names default
2020-06-04 16:24:16 +02:00
Claire Wolf
5e8a9c61cd
Add printf format attributes to btorf/infof helper functions
...
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
2020-06-04 15:53:28 +02:00
N. Engelhardt
8ceb6686e0
btor backend: add option to not include internal names
2020-06-04 14:00:52 +02:00
Xiretza
17163cf43a
Add flooring modulo operator
...
The $div and $mod cells use truncating division semantics (rounding
towards 0), as defined by e.g. Verilog. Another rounding mode, flooring
(rounding towards negative infinity), can be used in e.g. VHDL. The
new $modfloor cell provides this flooring modulo (also known as "remainder"
in several languages, but this name is ambiguous).
This commit also fixes the handling of $mod in opt_expr, which was
previously optimized as if it was $modfloor.
2020-05-28 22:59:03 +02:00
Eddie Hung
956ecd48f7
kernel: big fat patch to use more ID::*, otherwise ID(*)
2020-04-02 09:51:32 -07:00
Eddie Hung
dde3dfd72e
Update backends/btor/btor.cc; credit @boqwxp
...
Co-Authored-By: Alberto Gonzalez <61295559+boqwxp@users.noreply.github.com>
2020-04-02 07:14:08 -07:00
Eddie Hung
fdafb74eb7
kernel: use more ID::*
2020-04-02 07:14:08 -07:00
Claire Wolf
bf018b184d
Improve write_btor symbol handling
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Signed-off-by: Claire Wolf <claire@symbioticeda.com>
2020-03-14 15:49:43 +01:00
Claire Wolf
29e2b2dc05
Add info-file and cover features to write_btor
...
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
2020-03-13 13:46:32 +01:00
Clifford Wolf
cd44826d50
Use cell name for btor bad state props when it is a public name
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-11-14 11:57:38 +01:00
Makai Mann
d88cc139a0
Add an info string symbol for bad states in btor backend
2019-11-11 16:40:51 -08:00
Clifford Wolf
a84a2d74c7
Fix btor back-end to use "state" instead of "input" for undef init bits
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-10-02 12:48:04 +02:00
Aman Goel
5eebfabe42
Corrects btor2 backend
2019-09-27 12:40:17 -04:00
Clifford Wolf
b88d2e5f30
Fix stupid bug in btor back-end
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-09-18 11:56:14 +02:00
Eddie Hung
046e1a5214
Use State::S{0,1}
2019-08-06 16:22:47 -07:00
Clifford Wolf
023086bd46
Add $_NMUX_, add "abc -g cmos", add proper cmos cell costs
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-08-06 04:47:55 +02:00
Clifford Wolf
1b49380f6b
Improve BTOR2 handling of undriven wires
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-06-26 17:42:00 +02:00
Clifford Wolf
b7dd7c2dcd
Add proper error message for btor recursion_guard
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-05-24 16:22:34 +02:00
Clifford Wolf
148caecca3
Change "ne" to "neq" in btor2 output
...
we need to do this because they changed the parser:
e97fc9ceda
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-04-19 21:17:12 +02:00
Clifford Wolf
1eff8be8f0
Add support for memory initialization to write_btor
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-23 14:40:01 +01:00
Clifford Wolf
e78f5a3055
Fix BTOR output tags syntax in writye_btor
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Signed-off-by: Clifford Wolf <clifford@clifford.at>
2019-03-23 14:39:42 +01:00
Clifford Wolf
23bb77867f
Minor style fixes
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-12-18 20:02:39 +01:00
makaimann
abf5930a33
Add btor ops for $mul, $div, $mod and $concat
2018-12-17 10:45:17 -08:00
Clifford Wolf
ed3c57fad3
Fix btor init value handling
...
Signed-off-by: Clifford Wolf <clifford@clifford.at>
2018-12-08 06:21:31 +01:00
Henner Zeller
3aa4484a3c
Consistent use of 'override' for virtual methods in derived classes.
...
o Not all derived methods were marked 'override', but it is a great
feature of C++11 that we should make use of.
o While at it: touched header files got a -*- c++ -*- for emacs to
provide support for that language.
o use YS_OVERRIDE for all override keywords (though we should probably
use the plain keyword going forward now that C++11 is established)
2018-07-20 23:51:06 -07:00
Clifford Wolf
9804ebedbf
Add "no driver for signal bit" error msg to btor back-end
2017-12-24 17:30:36 +01:00
Clifford Wolf
292984896b
Simple fix BTOR memory encoding
2017-12-17 18:57:54 +01:00
Clifford Wolf
bbdcc1f9d4
Improve BTOR memory encoding
2017-12-17 18:55:17 +01:00
Clifford Wolf
30f23281ed
Add array support to btor back-end
2017-12-15 02:19:06 +01:00
Clifford Wolf
ad901671c5
Add $anyconst/$anyseq support to btor back-end
2017-12-15 00:40:24 +01:00