clairexen [Wed, 10 Jun 2020 10:42:43 +0000 (12:42 +0200)]
Merge pull request #2139 from YosysHQ/verific_missing_memory
verific - detect missing memory to prevent crash.
Miodrag Milanovic [Wed, 10 Jun 2020 09:27:44 +0000 (11:27 +0200)]
verific - detect missing memory to prevent crash.
clairexen [Tue, 9 Jun 2020 16:27:59 +0000 (18:27 +0200)]
Merge pull request #2112 from YosysHQ/claire/fix2040
Add latch detection for use_case_method in part-select write
whitequark [Tue, 9 Jun 2020 12:41:02 +0000 (12:41 +0000)]
Merge pull request #2128 from whitequark/flatten-processes
flatten: accept processes
whitequark [Tue, 9 Jun 2020 11:59:17 +0000 (11:59 +0000)]
Merge pull request #2130 from whitequark/cxxrtl-fix-split_by
cxxrtl: fix two buggy split_by functions
whitequark [Tue, 9 Jun 2020 11:05:35 +0000 (11:05 +0000)]
cxxrtl: fix two buggy split_by functions.
whitequark [Tue, 9 Jun 2020 09:56:23 +0000 (09:56 +0000)]
flatten: accept processes.
whitequark [Tue, 9 Jun 2020 09:55:48 +0000 (09:55 +0000)]
RTLIL: add Module::addProcess, use it in Module::cloneInto. NFC.
whitequark [Tue, 9 Jun 2020 09:54:09 +0000 (09:54 +0000)]
Merge pull request #2126 from whitequark/cxxrtl-non-ext-logic-ops
cxxrtl: ignore cell input signedness when it is irrelevant
whitequark [Tue, 9 Jun 2020 07:52:27 +0000 (07:52 +0000)]
Merge pull request #2125 from whitequark/cxxrtl-fix-namespace
cxxrtl: add missing namespace
whitequark [Tue, 9 Jun 2020 07:26:13 +0000 (07:26 +0000)]
cxxrtl: ignore cell input signedness when it is irrelevant.
Before this commit, Verilog expressions like `x && 1` would result in
references to `logic_and_us` in generated CXXRTL code, which would
not compile. After this commit, since cells like that actually behave
the same regardless of signedness attributes, the signedness is
ignored, which also reduces the template instantiation pressure.
whitequark [Tue, 9 Jun 2020 06:26:17 +0000 (06:26 +0000)]
cxxrtl: add missing namespace.
Fixes #2124.
whitequark [Tue, 9 Jun 2020 06:26:02 +0000 (06:26 +0000)]
Merge pull request #2107 from whitequark/flatten-hdlname
flatten: preserve original object names
whitequark [Mon, 8 Jun 2020 19:50:09 +0000 (19:50 +0000)]
cxxrtl: fix format of hdlnames.
The CXXRTL code that handled the `hdlname` attribute implemented
outdated semantics.
whitequark [Thu, 4 Jun 2020 10:46:54 +0000 (10:46 +0000)]
flatten: preserve original object names via hdlname attribute.
whitequark [Mon, 8 Jun 2020 19:18:11 +0000 (19:18 +0000)]
flatten: only prepend $flatten once per wire.
whitequark [Mon, 8 Jun 2020 19:02:48 +0000 (19:02 +0000)]
RTLIL: use {get,set}_string_attribute in {get,set}_strpool_attribute.
The only difference in behavior is that this removes the attribute
when the pool becomes empty.
whitequark [Mon, 8 Jun 2020 20:19:18 +0000 (20:19 +0000)]
Merge pull request #2120 from whitequark/flatten-hygiene
flatten: make hygienic
whitequark [Thu, 4 Jun 2020 10:13:48 +0000 (10:13 +0000)]
flatten: make hygienic.
Before this commit, `flatten` matched the template objects with
the newly created objects solely by their name. Because of this,
it could be confused by code such as:
module bar();
$dff a();
endmodule
module foo();
bar b();
$dff \b.a ();
endmodule
After this commit, `flatten` avoids every possible case of name
collision.
Fixes #2106.
whitequark [Mon, 8 Jun 2020 18:24:32 +0000 (18:24 +0000)]
Merge pull request #2121 from whitequark/cxxrtl-debug-aliases
cxxrtl: improve design visibility
whitequark [Mon, 8 Jun 2020 17:38:11 +0000 (17:38 +0000)]
cxxrtl: don't check immutable values for changes in VCD writer.
This commit changes the VCD writer such that for all signals that
have `debug_item.type == VALUE && debug_item.next == nullptr`, it
would only sample the value once.
Commit
f2d7a187 added more debug information by including constant
wires, and decreased the performance of VCD writer proportionally
because the constant wires were still repeatedly sampled; this commit
eliminates the performance hit.
whitequark [Mon, 8 Jun 2020 17:29:08 +0000 (17:29 +0000)]
cxxrtl: emit debug information for constant wires.
Constant wires can represent a significant chunk of the design in
generic designs or after optimization. Emitting them in VCD files
significantly improves usability because gtkwave removes all traces
that are not present in the VCD file after reload, and iterative
development suffers if switching a varying signal to a constant
disrupts the workflow.
whitequark [Mon, 8 Jun 2020 16:36:26 +0000 (16:36 +0000)]
cxxrtl: track aliases in VCD writer.
This commit changes the VCD writer such that for all signals that
share `debug_item.curr`, it would only emit a single VCD identifier,
and sample the value once.
Commit
9b39c6f7 added redundancy to debug information by including
alias wires, and increased the size of VCD files proportionally; this
commit eliminates the redundancy from VCD files so that their size
is the same as before.
whitequark [Mon, 8 Jun 2020 16:22:30 +0000 (16:22 +0000)]
cxxrtl: emit debug information for alias wires.
Alias wires can represent a significant chunk of the design in highly
hierarchical designs; in Minerva SRAM, there are 273 member wires and
527 alias wires. Showing them in every hierarchy level significantly
improves usability.
clairexen [Mon, 8 Jun 2020 13:55:52 +0000 (15:55 +0200)]
Merge pull request #2085 from rswarbrick/select
Silence warning in select.cc and pass some more args by ref
clairexen [Mon, 8 Jun 2020 13:48:11 +0000 (15:48 +0200)]
Merge pull request #2089 from rswarbrick/modports
Simplify a modport check in hierarchy.cc
clairexen [Mon, 8 Jun 2020 13:27:15 +0000 (15:27 +0200)]
Merge pull request #2105 from whitequark/split-flatten-off-techmap
Split `flatten` from `techmap` and simplify it
clairexen [Mon, 8 Jun 2020 13:22:09 +0000 (15:22 +0200)]
Merge pull request #2117 from PeterCrozier/struct_array
Support packed arrays in struct/union.
clairexen [Mon, 8 Jun 2020 13:18:32 +0000 (15:18 +0200)]
Merge pull request #2119 from YosysHQ/mwk/fix-fsm-idstring
fsm_extract: avoid calling log_signal to determine wire name
whitequark [Mon, 8 Jun 2020 12:55:11 +0000 (12:55 +0000)]
cxxrtl: add missing installs of include files.
whitequark [Mon, 8 Jun 2020 04:08:09 +0000 (04:08 +0000)]
cxxrtl: fix typo in comment. NFC.
whitequark [Mon, 8 Jun 2020 03:21:08 +0000 (03:21 +0000)]
cxxrtl: minor debug-related improvements.
Marcelina Kościelnicka [Mon, 8 Jun 2020 01:48:09 +0000 (03:48 +0200)]
fsm_extract: avoid calling log_signal to determine wire name
log_signal can result in a string with spaces (when bit selection is
involved), which breaks the rule of IdString not containing whitespace.
Instead, remove the sigspec from the name entirely — given that the
resulting wire will have no users, it will be removed later anyway,
so its name doesn't really matter.
Fixes #2118
whitequark [Sun, 7 Jun 2020 20:32:00 +0000 (20:32 +0000)]
Merge pull request #2116 from whitequark/cxxrtl-vcd
cxxrtl: add a VCD writer using debug information
Peter Crozier [Sun, 7 Jun 2020 17:28:45 +0000 (18:28 +0100)]
Support packed arrays in struct/union.
whitequark [Sun, 7 Jun 2020 03:48:40 +0000 (03:48 +0000)]
cxxrtl: rename cxxrtl.cc→cxxrtl_backend.cc.
To avoid confusion with the C++ source files that are a part of
the simulation itself and not a part of Yosys build.
whitequark [Sun, 7 Jun 2020 03:45:53 +0000 (03:45 +0000)]
cxxrtl: add a C API for writing VCD dumps.
This C API is fully featured.
whitequark [Sat, 6 Jun 2020 21:55:53 +0000 (21:55 +0000)]
cxxrtl: only write VCD values that were actually updated.
On a representative design (Minerva SoC) this reduces VCD file size
by ~20× and runtime by ~3×.
whitequark [Sat, 6 Jun 2020 20:37:29 +0000 (20:37 +0000)]
cxxrtl: add a VCD writer using debug information.
whitequark [Sat, 6 Jun 2020 22:31:52 +0000 (22:31 +0000)]
Merge pull request #2115 from whitequark/cxxrtl-introspection
cxxrtl: add debug information to the C++ API, and add introspection via a new C API
whitequark [Fri, 5 Jun 2020 13:52:30 +0000 (13:52 +0000)]
cxxrtl: add a C API for driving and introspecting designs.
Compared to the C++ API, the C API currently has two limitations:
1. Memories cannot be updated in a race-free way.
2. Black boxes cannot be implemented in C.
whitequark [Wed, 27 May 2020 00:21:15 +0000 (00:21 +0000)]
cxxrtl: generate debug information for non-localized public wires.
Debug information describes values, wires, and memories with a simple
C-compatible layout. It can be emitted on demand into a map, which
has no runtime cost when it is unused, and allows late bound designs.
The `hdlname` attribute is used as the lookup key such that original
names, as emitted by the frontend, can be used for debugging and
introspection.
whitequark [Sat, 6 Jun 2020 12:23:06 +0000 (12:23 +0000)]
Merge pull request #2110 from BracketMaster/master
MacOS has even stricter stack limits in catalina.
whitequark [Fri, 5 Jun 2020 10:24:25 +0000 (10:24 +0000)]
Merge pull request #2113 from whitequark/cxxrtl-fix-sshr
cxxrtl: fix implementation of $sshr cell
N. Engelhardt [Fri, 5 Jun 2020 09:36:08 +0000 (11:36 +0200)]
Merge pull request #2109 from nakengelhardt/btor_internal_names
btor backend: make not printing internal names default
whitequark [Fri, 5 Jun 2020 01:31:53 +0000 (01:31 +0000)]
cxxrtl: fix implementation of $sshr cell.
Fixes #2111.
Claire Wolf [Thu, 4 Jun 2020 21:10:03 +0000 (23:10 +0200)]
Add latch detection for use_case_method in part-select write, fixes #2040
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
Yehowshua Immanuel [Thu, 4 Jun 2020 21:00:04 +0000 (17:00 -0400)]
more reasonable numbers for memory
Claire Wolf [Thu, 4 Jun 2020 20:25:47 +0000 (22:25 +0200)]
Add missing .gitignore file
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
Yehowshua Immanuel [Thu, 4 Jun 2020 18:01:56 +0000 (14:01 -0400)]
MacOS has even stricter stack limits in catalina.
Invoking sby in macOS Catalina fails because of bizarre stack limits in Catalina.
clairexen [Thu, 4 Jun 2020 16:26:07 +0000 (18:26 +0200)]
Merge pull request #2041 from PeterCrozier/struct
Implementation of SV structs.
clairexen [Thu, 4 Jun 2020 16:23:33 +0000 (18:23 +0200)]
Merge pull request #2099 from Xiretza/manual-include-path
Use in-tree include directory in manual build
N. Engelhardt [Thu, 4 Jun 2020 16:20:08 +0000 (18:20 +0200)]
Add codeowners file (#2098)
Eddie Hung [Thu, 4 Jun 2020 15:15:25 +0000 (08:15 -0700)]
Merge pull request #2077 from YosysHQ/eddie/abc9_dff_improve
abc9: -dff improvements
N. Engelhardt [Thu, 4 Jun 2020 14:24:16 +0000 (16:24 +0200)]
btor backend: make not printing internal names default
Claire Wolf [Thu, 4 Jun 2020 13:53:28 +0000 (15:53 +0200)]
Add printf format attributes to btorf/infof helper functions
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
clairexen [Thu, 4 Jun 2020 13:48:40 +0000 (15:48 +0200)]
Merge pull request #2108 from nakengelhardt/btor_internal_names
btor backend: add option to not include internal names
whitequark [Wed, 3 Jun 2020 20:06:04 +0000 (20:06 +0000)]
flatten: clean up log messages.
whitequark [Wed, 3 Jun 2020 20:04:51 +0000 (20:04 +0000)]
flatten: topologically sort modules.
N. Engelhardt [Thu, 4 Jun 2020 12:00:52 +0000 (14:00 +0200)]
btor backend: add option to not include internal names
whitequark [Thu, 4 Jun 2020 11:23:06 +0000 (11:23 +0000)]
Merge pull request #2006 from jersey99/signed-in-rtlil-wire
Preserve 'signed'-ness of a verilog wire through RTLIL
N. Engelhardt [Thu, 4 Jun 2020 09:17:08 +0000 (11:17 +0200)]
Merge pull request #2070 from hackfin/master
Pyosys API: idict type handling
Eddie Hung [Thu, 4 Jun 2020 00:35:46 +0000 (17:35 -0700)]
Merge pull request #2082 from YosysHQ/eddie/abc9_scc_fixes
abc9: fixes around handling combinatorial loops
whitequark [Wed, 3 Jun 2020 17:41:45 +0000 (17:41 +0000)]
flatten: simplify.
`flatten` cannot derive modules in most cases because that would just
yield processes, and it does not support `-autoproc`; in practice
`flatten` has to be preceded by a call to `hierarchy`, which makes
deriving unnecessary.
whitequark [Wed, 3 Jun 2020 16:25:46 +0000 (16:25 +0000)]
flatten: simplify. NFC.
Remove redundant sigmaps.
whitequark [Wed, 3 Jun 2020 16:00:40 +0000 (16:00 +0000)]
flatten: simplify.
Flattening does not benefit from topologically sorting cells within
a module when processing them.
whitequark [Wed, 3 Jun 2020 02:28:39 +0000 (02:28 +0000)]
flatten: simplify. NFC.
Flatten is non-recursive and doesn't need to keep track of handled
cells.
whitequark [Wed, 3 Jun 2020 02:11:04 +0000 (02:11 +0000)]
flatten: simplify. NFC.
Flattening always does "non-recursive" mapping.
whitequark [Wed, 3 Jun 2020 02:09:09 +0000 (02:09 +0000)]
flatten: simplify. NFC.
The `celltypeMap` always maps `x` to `{x}`.
whitequark [Wed, 3 Jun 2020 01:19:55 +0000 (01:19 +0000)]
flatten: simplify. NFC.
The `design` and `map` designs are always the same when flattening.
whitequark [Wed, 3 Jun 2020 14:35:27 +0000 (14:35 +0000)]
RTLIL: factor out RTLIL::Module::addMemory. NFC.
whitequark [Wed, 3 Jun 2020 00:51:42 +0000 (00:51 +0000)]
flatten: rename techmap-related stuff. NFC.
whitequark [Wed, 3 Jun 2020 00:12:54 +0000 (00:12 +0000)]
techmap, flatten: remove dead options.
After splitting the passes, some options can never be activated,
and most conditions involving them become dead. Remove them, and also
all of the newly dead code.
Peter Crozier [Wed, 3 Jun 2020 16:19:28 +0000 (17:19 +0100)]
Merge branch 'master' into struct
Eddie Hung [Wed, 3 Jun 2020 15:41:55 +0000 (08:41 -0700)]
tests: tidy up testcase
Eddie Hung [Wed, 3 Jun 2020 15:37:07 +0000 (08:37 -0700)]
Merge pull request #2080 from YosysHQ/eddie/fix_test_warnings
tests: reduce test warnings
whitequark [Tue, 2 Jun 2020 23:15:13 +0000 (23:15 +0000)]
flatten: split from techmap.
Although the two passes started out very similar, they diverged over
time and now have little in common. Moreover, `techmap` is extremely
complex while `flatten` does not have to be, and this complexity
interferes with improving `flatten`.
whitequark [Wed, 3 Jun 2020 12:45:02 +0000 (12:45 +0000)]
Merge pull request #2104 from whitequark/simplify-techmap
techmap: simplify
whitequark [Wed, 3 Jun 2020 01:44:06 +0000 (01:44 +0000)]
techmap: remove dead variable. NFC.
whitequark [Tue, 2 Jun 2020 23:17:46 +0000 (23:17 +0000)]
techmap: use C++11 default member initializers. NFC.
whitequark [Tue, 2 Jun 2020 22:34:01 +0000 (22:34 +0000)]
techmap: simplify.
`rewrite_filename` is already called in `Frontend::extra_args`.
whitequark [Tue, 2 Jun 2020 22:19:34 +0000 (22:19 +0000)]
techmap: use +/techmap.v instead of an ad-hoc code generator.
clairexen [Tue, 2 Jun 2020 15:13:08 +0000 (17:13 +0200)]
Merge pull request #2102 from YosysHQ/tests_fix
allow range for mux test
clairexen [Tue, 2 Jun 2020 15:12:02 +0000 (17:12 +0200)]
Merge pull request #2101 from YosysHQ/mmicko/verific_asymmetric
Support asymmetric memories for verific frontend
Miodrag Milanovic [Mon, 1 Jun 2020 11:48:19 +0000 (13:48 +0200)]
allow range for mux test
Miodrag Milanovic [Mon, 1 Jun 2020 08:30:03 +0000 (10:30 +0200)]
Support asymmetric memories for verific frontend
clairexen [Sun, 31 May 2020 18:40:48 +0000 (20:40 +0200)]
Merge pull request #1862 from boqwxp/cleanup_techmap
Clean up `passes/techmap/techmap.cc`
Eddie Hung [Sat, 30 May 2020 16:01:03 +0000 (09:01 -0700)]
abc9_ops: fix comment
Eddie Hung [Sat, 30 May 2020 15:59:20 +0000 (08:59 -0700)]
Merge pull request #2081 from YosysHQ/eddie/blackbox_ast
blackbox: use Module::makeblackbox() method
Eddie Hung [Sat, 30 May 2020 15:57:48 +0000 (08:57 -0700)]
abc9_ops: update messaging (credit to @Xiretza for spotting)
clairexen [Sat, 30 May 2020 13:04:51 +0000 (15:04 +0200)]
Merge pull request #2018 from boqwxp/qbfsat-timeout
smtbmc and qbfsat: Add timeout option to set solver timeouts for Z3, Yices, and CVC4.
Xiretza [Sat, 30 May 2020 09:21:40 +0000 (11:21 +0200)]
Use in-tree include directory in manual build
This is basically the same issue as in tests/various/plugin.sh,
which uses yosys-config to compile a plugin. `yosys-config --cxxflags`
points to `$PREFIX/share/` (/usr/local/share by default), which might
not exist yet or might be out of date. Building directly from the
headers in ./share/ avoids this.
Eddie Hung [Sat, 30 May 2020 00:33:10 +0000 (17:33 -0700)]
abc9_ops: optimise to not derive unless attribute exists
Eddie Hung [Sat, 30 May 2020 00:17:40 +0000 (17:17 -0700)]
abc9_ops: -reintegrate use SigMap to remove (* init *) from $_DFF_[NP]_
Alberto Gonzalez [Fri, 29 May 2020 21:30:24 +0000 (21:30 +0000)]
smtbmc: Remove superfluous `yosys-smt2-timeout` file macro.
Co-Authored-By: clairexen <claire@symbioticeda.com>
clairexen [Fri, 29 May 2020 14:52:11 +0000 (16:52 +0200)]
Merge pull request #2029 from whitequark/fix-simplify-memory-sv_logic
ast/simplify: don't bitblast async ROMs declared as `logic`
clairexen [Fri, 29 May 2020 14:37:23 +0000 (16:37 +0200)]
Merge pull request #1885 from Xiretza/mod-rem-cells
Fix modulo/remainder semantics
clairexen [Fri, 29 May 2020 14:31:44 +0000 (16:31 +0200)]
Merge pull request #2092 from whitequark/rtlil-no-space-control
Restrict RTLIL::IdString to not contain whitespace or control chars
clairexen [Fri, 29 May 2020 14:23:10 +0000 (16:23 +0200)]
Merge pull request #2017 from boqwxp/qbfsat-cvc4
qbfsat: Add support for CVC4.
clairexen [Fri, 29 May 2020 14:21:45 +0000 (16:21 +0200)]
Merge pull request #2016 from boqwxp/qbfsat-yices
qbfsat: Add `-solver` option and allow choice of Z3 or Yices, making Yices the default.