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749 Commits

Author SHA1 Message Date
Rahul Bhagwat f12055d3e0
rm debug logs 2025-08-06 15:39:36 -04:00
Rahul Bhagwat 7e0157ba2b
fix whitespace issues 2025-08-06 15:32:36 -04:00
Rahul Bhagwat fe59b6d3db
add safety checks and better name matching 2025-08-04 20:57:43 -04:00
Rahul Bhagwat 761015b23e
add separate module test 2025-08-03 23:48:33 -04:00
Rahul Bhagwat b776283d79
implement package import 2025-08-03 23:31:54 -04:00
KrystalDelusion 5b8b5292ee
Merge pull request #4959 from YosysHQ/krys/primitive_array_error 
simplify: Skip AST_PRIMITIVE in AST_CELLARRAY
 2025-07-21 10:26:00 +12:00
Emil J 378add3723
Merge pull request #5163 from YosysHQ/emil/fix-single-bit-vector-leak 
simplify: fix single_bit_vector memory leak
 2025-06-04 17:00:54 +02:00
George Rennie 0fcf5c080d
Merge pull request #5158 from georgerennie/george/task_inout 
read_verilog/astsimplify: copy inout ports in and out of functions/tasks
 2025-06-04 14:23:08 +01:00
Emil J. Tywoniak c37b7b3bf4 simplify: fix single_bit_vector memory leak 2025-06-04 10:32:03 +02:00
George Rennie 45e8ff476e read_verilog: copy inout ports in and out of functions/tasks 2025-05-31 01:09:03 +01:00
Krystine Sherwin 32ce23458f
read_verilog: Mark struct as custom type 
Being a custom type means that it will be resolved *before* (e.g.) a wire can use it as a type.
 2025-05-26 12:19:33 +12:00
Emil J 4b8d42d22c
Merge pull request #5095 from YosysHQ/emil/one-bit-width 
rtlil: enable single-bit vector wires
 2025-05-23 15:55:45 +02:00
Emil J. Tywoniak 5e72464a15 rtlil: enable single-bit vector wires 2025-05-12 13:23:29 +02:00
Krystine Sherwin fe0abb7026
simplify.cc: Fix mem leak 2025-05-10 17:10:47 +12:00
Emil J. Tywoniak bdc2597f79 simplify: fix struct wiretype attr memory leak 2025-04-25 01:00:08 +02:00
Krystine Sherwin 0a1c664f02
simplify: Skip AST_PRIMITIVE in AST_CELLARRAY 
Otherwise the `AST_PRIMITIVE` simplifies to the corresponding function and is no longer caught by the check for `AST_PRIMITIVE`s, raising an assertion error instead of an input error.
Add bug4785.ys to tests/verilog to demonstrate.
 2025-03-25 12:15:54 +13:00
Martin Povišer 732ed67014 ast/dpicall: Stop using variable length array 
Fix the compiler warning

    variable length arrays in C++ are a Clang extension [-Wvla-cxx-extension]
 2025-02-24 17:32:30 +01:00
KrystalDelusion cf52cf3009
nowrshmsk: Check for stride==0 
log2(0) returns -inf, which gives undefined behaviour when casting to an int.  So catch the case when it's 0 just set the width to 0.
 2025-01-31 12:15:53 +13:00
Emil J. Tywoniak a58481e9b7 mark all hash_into methods nodiscard 2025-01-14 12:39:15 +01:00
Emil J. Tywoniak b9b9515bb0 hashlib: hash_eat -> hash_into 2024-12-18 15:09:25 +01:00
Emil J. Tywoniak 4e29ec1854 hashlib: acc -> eat 2024-12-18 15:09:25 +01:00
Emil J. Tywoniak d071489ab1 hashlib: redo interface for flexibility 2024-12-18 14:49:25 +01:00
Krystine Sherwin 1de5d98ae2
Reduce comparisons of size_t and int 
`Const::size()` returns int, so change iterators that use it to `auto` instead of `size_t`.
For cases where size is being explicitly cast to `int`, use the wrapper that we already have instead: `Yosys::GetSize()`.
 2024-11-29 12:53:29 +13:00
George Rennie dbfca1bdff frontends/ast.cc: special-case zero width strings as "\0" 
* Fixes #4696
 2024-11-01 17:19:28 +01:00
Emil J. Tywoniak 785bd44da7 rtlil: represent Const strings as std::string 2024-10-14 06:28:12 +02:00
rherveille ce7db661a8
Added cast to type support (#4284) 2024-09-29 17:03:01 -04:00
Emil J. Tywoniak 1372c47036 internal_stats: astnode (sizeof) 2024-09-11 11:34:20 +02:00
Emil J. Tywoniak 72a0380da8 ast: don't suggest use in external projects 2024-07-18 16:37:14 +02:00
Martin Povišer b593f5c01c Update the overview comment in `ast.h` 2024-06-10 16:38:39 +02:00
KrystalDelusion c3ae33da33
Merge pull request #4285 from YosysHQ/typo_fixup 
Typo fixing
 2024-04-25 09:54:48 +12:00
Catherine a5441bc00c fmt: `FmtPart::{STRING→LITERAL},{CHARACTER→STRING}`. 
Before this commit, the `STRING` variant inserted a literal string;
the `CHARACTER` variant inserted a string. This commit renames them
to `LITERAL` and `STRING` respectively.
 2024-04-02 12:13:22 +02:00
Krystine Sherwin 3eeefd23e3
Typo fixup(s) 2024-03-18 11:09:23 +13:00
Martin Povišer b16f4900fd ast/simplify: Interpret hdlname w/o expecting backslash 2024-02-13 21:38:41 +01:00
Catherine d8ce26a5ba read_verilog: correctly format `hdlname` attribute value. 
The leading slash is not a part of the attribute as it only concerns
public values.
 2024-02-13 18:41:53 +00:00
Dag Lem f09ea16bd1 Resolve struct member multiple dimensions defined in stages with typedef 2024-02-11 11:26:52 -05:00
Dag Lem 03f35c3def Resolve multiple dimensions defined in stages with typedef 2024-02-11 11:26:52 -05:00
Dag Lem e0d3977e19 Add support for $dimensions and $unpacked_dimensions 2024-02-11 11:26:52 -05:00
Dag Lem 2125357e76 Add support for $increment 2024-02-11 11:26:52 -05:00
Dag Lem 88d9e213cb Decoding of a few more AST nodes in dumpVlog 2024-02-11 11:26:52 -05:00
Dag Lem 39fea32c6e Add support for packed multidimensional arrays 
* Generalization of dimensions metadata (also simplifies $size et al.)
* Parsing and elaboration of multidimensional packed ranges
 2024-02-11 11:26:52 -05:00
Catherine c7bf0e3b8f Add new `$check` cell to represent assertions with a message. 2024-02-01 20:10:39 +01:00
Martin Povišer 149bcd88ad
Merge pull request #4026 from uis246/fix-format 
Fix printf formats
 2024-01-15 16:04:11 +01:00
uis 5902b2826d Fix printf formats 2024-01-15 12:07:54 +01:00
Catherine 1159e48721 write_verilog: emit `initial $display` correctly. 2024-01-11 13:13:04 +01:00
Dag Lem 3ed9030eb4 Optionally suppress output from display system tasks in read_verilog 2024-01-11 13:12:53 +01:00
Jannis Harder 510d137996 fmt: Allow non-constant $display calls in initial blocks 
These are useful for formal verification with SBY where they can be used
to display solver chosen `rand const reg` signals and signals derived
from those.

The previous error message for non-constant initial $display statements
is downgraded to a log message. Constant initial $display statements
will be shown both during elaboration and become part of the RTLIL so
that the `sim` output is complete.
 2024-01-11 13:01:28 +01:00
Dag Lem 23cd23efc5 Simplify and correct AST for array slice assignment 
Corrects sign extension of the right hand side, and hopefully
makes the code simpler to understand.

Fixes #4064
 2024-01-10 21:15:00 +01:00
Dag Lem 1a2b4759e8 Assign from rvalue via temporary register in nowrshmsk CASE 
Avoid repeating complex rvalue expressions for each condition.
 2024-01-10 20:40:01 +01:00
Dag Lem 2cab4ff173 Correction and optimization of nowrshmsk 
This makes tests/verilog/dynamic_range_lhs.v pass, after ensuring that
nowrshmsk is actually tested.

Stride is extracted from indexing of two-dimensional packed arrays and
variable slices on the form dst[i*stride +: width] = src, and is used
to optimize the generated CASE block.

Also uses less confusing variable names for indexing of lhs wires.
 2024-01-10 20:28:36 +01:00
Dag Lem 1bbea13f80 Correct hierarchical path names for structs and unions 2024-01-04 17:22:07 +01:00