iCE40/yosys - clone of https://github.com/YosysHQ/yosys

	Commit message (Expand)	Author	Age	Files	Lines
*	Fixing old e-mail addresses and deadnames	Claire Xenia Wolf	2021-06-08	1	-1/+1
*	Use C++11 final/override keywords.	whitequark	2020-06-18	1	-2/+2
*	kernel: big fat patch to use more ID::, otherwise ID()	Eddie Hung	2020-04-02	1	-30/+30
*	kernel: use more ID::*	Eddie Hung	2020-04-02	1	-52/+52
*	Fix typo, double "of"	Miodrag Milanovic	2019-07-16	1	-1/+1
*	Fix typographical and grammatical errors and inconsistencies.	whitequark	2019-01-02	1	-1/+1
*	Allow square brackets in liberty identifiers	Clifford Wolf	2018-11-05	1	-1/+2
*	Minor code cleanups in liberty front-end	Clifford Wolf	2018-10-17	1	-16/+5
*	detect ff/latch before processing other nodes	argama	2018-10-14	1	-0/+17
*	Consistent use of 'override' for virtual methods in derived classes.	Henner Zeller	2018-07-20	1	-2/+2
*	Bugfix in liberty parser (as suggested by aiju in #569)	Clifford Wolf	2018-06-15	1	-1/+1
*	Also interpret '&' in liberty functions	Sergiusz Bazanski	2018-05-12	1	-1/+1
*	Replace -ignore_redef with -[no]overwrite	Clifford Wolf	2018-05-03	1	-7/+25
*	Improve handling of "bus" pins in liberty front-end (some files use bus.pin.d...	Clifford Wolf	2018-02-15	1	-0/+6
*	Some standard cell libraries include a latch with only set/reset.	Staf Verhaegen	2018-01-03	1	-4/+23
*	Added liberty parser support for types within cell decls	Clifford Wolf	2016-09-23	1	-39/+46
*	Added support for bus interfaces to "read_liberty -lib"	Clifford Wolf	2016-09-18	1	-1/+77
*	Added "yosys -D" feature	Clifford Wolf	2016-04-21	1	-1/+1
*	Fixed trailing whitespaces	Clifford Wolf	2015-07-02	1	-3/+3
*	namespace Yosys	Clifford Wolf	2014-09-27	1	-1/+0
*	Changed frontend-api from FILE to std::istream	Clifford Wolf	2014-08-23	1	-2/+2
*	Renamed $_INV_ cell type to $_NOT_	Clifford Wolf	2014-08-15	1	-11/+11
*	More bugfixes related to new RTLIL::IdString	Clifford Wolf	2014-08-02	1	-9/+9
*	Renamed port access function on RTLIL::Cell, added param access functions	Clifford Wolf	2014-07-31	1	-61/+61
*	Added module->design and cell->module, wire->module pointers	Clifford Wolf	2014-07-31	1	-2/+2
*	Moved some stuff to kernel/yosys.{h,cc}, using Yosys:: namespace	Clifford Wolf	2014-07-31	1	-0/+3
*	Refactoring: Renamed RTLIL::Design::modules to modules_	Clifford Wolf	2014-07-27	1	-2/+2
*	Refactoring: Renamed RTLIL::Module::cells to cells_	Clifford Wolf	2014-07-27	1	-2/+2
*	Refactoring: Renamed RTLIL::Module::wires to wires_	Clifford Wolf	2014-07-27	1	-3/+3
*	Changed users of cell->connections_ to the new API (sed command)	Clifford Wolf	2014-07-26	1	-62/+62
*	Renamed RTLIL::{Module,Cell}::connections to connections_	Clifford Wolf	2014-07-26	1	-62/+62
*	Use only module->addCell() and module->remove() to create and delete cells	Clifford Wolf	2014-07-25	1	-55/+14
*	SigSpec refactoring: using the accessor functions everywhere	Clifford Wolf	2014-07-22	1	-8/+8
*	SigSpec refactoring: renamed chunks and width to __chunks and __width	Clifford Wolf	2014-07-22	1	-8/+8
*	Replaced depricated NEW_WIRE macro with module->addWire() calls	Clifford Wolf	2014-07-21	1	-10/+10
*	Removed deprecated module->new_wire()	Clifford Wolf	2014-07-21	1	-5/+5
*	Added "inout" ports support to read_liberty	Clifford Wolf	2014-07-16	1	-1/+6
*	Set blackbox attribute in "read_liberty -lib"	Clifford Wolf	2014-07-16	1	-0/+3
*	Fixed spelling of "direction" in read_liberty messages	Clifford Wolf	2014-07-16	1	-2/+2
*	new flags -ignore_miss_func and -ignore_miss_dir for read_liberty	Johann Glaser	2014-05-28	1	-4/+40
*	Added ff and latch support to read_liberty	Clifford Wolf	2014-02-15	1	-40/+254
*	Bugfix in expression parser of read_liberty	Clifford Wolf	2014-02-15	1	-2/+1
*	Added liberty frontend	Clifford Wolf	2014-02-15	2	-0/+362

**0.37-dev** (XXXX-XX-XX) - python binding added - synthesis added - PSL keywords are directly handled in vhdl-2008 - Add support for assume. **0.36** (2019-03-03) - A new GitHub organization is created and the main repo is moved from [github.com/tgingold/ghdl](https://github.com/tgingold/ghdl) to [github.com/ghdl/ghdl](https://github.com/ghdl/ghdl). Old refs will continue working, because permanent redirects are set up. However, we suggest every contributor to update the remote URLs in their local clones. - Add support for unbounded arrays. **0.35** (2017-12-14) - Assert and report messages are sent to stdout (#394) - Improve support for unbounded records - Bugs fixed **0.34** (2017-08-15) - Display stack backtraces on errors or assert failures - Compile scripts for vendor libraries (Xilinx, Altera, osvvm, vunit) - Use SSE2 for mcode backend - mcode backend ported to `x86_64` - Support cocotb [potentialventures/cocotb](https://github.com/potentialventures/cocotb) - Main repository is now on github: [github.com/tgingold/ghdl](https://github.com/tgingold/ghdl) - Docs available on rtd: [ghdl.readthedocks.org](https://ghdl.readthedocs.org/en/latest/) - Speed improved. - New option `--psl-report`, to report status of PSL assert and cover. - VHDL2008: support nested package **v0.33** (2015-10-04) - Improve support of VHDL2008 - Support [OSVVM](http://osvvm.org) 2015 - Support VUnit: [LarsAsplund/vunit](https://github.com/LarsAsplund/vunit) - Many bugs fixed **v0.32** (2014-11-XX) - Updated to build with `gcc-4.9.2`. - support: - partial of VHDL2008 (available with `--std=08`): - new `std.env` package. - added features in `std.textio` package - all standard IEEE packages. - new operations (relation operators, maximum and minimum, unary reduction operators) - `boolean_vector`, `integer_vector`, `real_vector`. - process(all). - generic packages and interface package declarations. - block comments (aka delimited comments) - implicitely defined to_string functions. - OSVVM 2014_01 - Bugs fixed **v0.31** (2014-01-XX) - Updated to build with `gcc-4.8.2`. - Supports OSVVM (Open-Source VHDL Verification Methodology) (see [osvvm.org](http://osvvm.org)) in its VHDL-2002 form. - Adds `'image` and `'value` attributes for all required datatypes - Many bugs and support issues fixed. - New home on `https://sourceforge.net/projects/ghdl-updates/` **v0.30** Never released, swith to Dunoon Edition. **v0.29** (2010-01-09) - Initial implementation of embedded PSL assertions. - Improve: - speed of non-sensitized processes. - speed of string case statement (dichotomy instead of linear search). - bug fix: - and improvements in SDF annotator. - when the bound of a string literal type is not locally static. - gcov crash **v0.28** (2009-09-17) - Add `--std=08` to enable VHDL2008 features. - Support all-sensitized processes from VHDL2008. - Documentation typos (thanks to Peter Huewe). - bug fix: - handle `'pos/'leftof/'rightof/'succ/'pred` in concurrent statements. - overloaded resolution functions. - direct drivers elaboration for unconstrained array signals. - many minor bugs. **v0.27** (2008-07-01) - Improve SDF annotation (handles much more annotations) - Add `--ieee-asserts=` option to control assert messages from ieee packages. - bug fix: - aliases in port map - crash during elaboration for top entities with ports/generic - crash when string literal in aggregate. - concatenation with an array subtype element. - non-static subtype used by type conversions in associations. - clear timeout in wait for. - minor bugs. **v0.26** (2007-04-08) - `GHDL_PREFIX` environment variable overrides default installation prefix. - simulation speed improved with 'direct drivers'. - windows version: - exceptions are caught - use executable path instead of registry for prefix - bug fix: - individual association by expression (was not working) - individual association of string - within windows code generator - [windows] large local variables crashed - crash when overloaded aggregate target. - forbid individual association with open - crash when bad array prefix - correctly extract sensitivity of record aggregate **v0.25** (2006-08-11) - VPI functions to schedules values. - `math_real` now works under windows. - documentation updated for windows. - filename/line number displayed for range error during signal update. - bug fix: - ieee math libraries available when `--ieee=synopsys`. - `'image` in package bodies. - scan of fp literals. - interface identifier is checked for conformance rules. - avoid a crash in case of error in configuration specification. - non-static choice in unidim case are now correctly checked. - do not crash in case of bad use of incomplete type. - `'range` are not expressions. - handle file declaration in concurrent procedure calls. - correctly handle static `'image` attribute. - handle in-conversion for signal associated with an expression. - emit an error when a function tries to exit without a return. **v0.24** (2006-06-25) - Handle enums with more than 256 elements. - Relax expr static rules in 93c to analyze Xilinx core lib from 8.1 - man page, `ghdl.1`, added. - windows installer improved - bug fix: - correctly handle empty file name. - correctly handle unused subprograms of protected types. - avoid a crash if unused library are used. - avoid crashes during error reports. - add a missing case array conversion. - build on `x86_64`. - code generated for conversion after mod/rem (windows version). - `-fexplicit` crashed with `std.standard` functions. - handle recursion of pure/wait checks. - correctly handle error cases of user attributes - time and character read procedure of std.textio. - initialize by value parameters (instead of copy-in). **v0.23** (2006-05-16) - bug fix: - handle implicit conversion in resolution functions. - missing implicit conversion added. - avoid a crash in error. **v0.22** (2006-03-28) - direntry added in `ghdl.texi` - updated: - Documentation (explain bug in Xilinx unisim library). - to `gcc 4.1` - math_real - bug fix: - avoid crash if type conversion is indexed/sliced - do not allow anymore uncomplete individual association - missing check on array association - check bounds for val attribute on enumerated type - array inequality of locally static expressions evaluated - configuration issue - `--warn-no-vital-generic` is now working **v0.21** (2005-12-18) - local optimizations (loops, indexed name). - simulation speed improved by 20% due to processes mngt optimizations. - stack-switching code ported to `x86_64` (`amd64/em64t`). - stack-switching code ported to `ia64`. - `--syn-binding` option extended (see documentation). - bug fix: - line number for some bound violation messages. - improved message error for deferred constants. - file parameter for functions. - universal real divided by integer handled in locally static expr. - `std_ulogic` types and arrays are known by VPI. - missing space added in VCDs for integers. - `CR+LF` is also end of line for `std.textio.readline`. - avoid a crash if parse error on choice. - handle `'image` in nested subprograms. - handle `'image` for floating point types. - do not use varargs C calls. - handle missing `EOL` for `readline`. - for `x86_64` **v0.20** (2005-10-15) - stack memory usage improved for shortcurt operations. - gtkwave now displays nice waves for bit and std_ulogic signals. - time unit is displayed in assert/report message. - `-fexplicit` option added. - integers are now written in VCD files. - hash table added for design_units (speed optimization). - range checks slightly optimized. - `--vcdz` run time option added. - improved error message for invalid expressions. - grt now compiles with GNAT-GPL-2005 (use a GNAT bug work-around). - bug fix: - handle more types for `--dump-rti` and `--wave`. - `'last_event` and `'last_active` (bad value returned when no previous event or activity). - `'image` attribute for physical types (was bad unit). - `'image` attribute for locally static integers. - for reading `.ghw` files. - in `--xref`. **v0.19** (2005-08-17) - `ADAFLAGS` has been replaced by `GHDL_ADAFLAGS` to ease compilation. - `ieee.math_real` and `ieee.math_complex` added (only partially, based on a draft). - current time is printed with assert/report messages. - stack switch assembly code ported to powerpc-linux. - documentation on how to use grt from Ada added. - allow indexes of indexed names to be non-static in case statements (93c only) (this is not standard, but I can't see why it should be required). - unbound ports of entities are now reported with `--warn-binding`. - some error or warning messages improved. - `--wave` option added to dump waveforms (using ghw file format). - bug fix: - internal error (missing close_temp for implicit read) - `--xref-html`: avoid to reanalyze unit. - handle implicit conversion for `'image`. - aggregate assigned to an aggregate: avoid crash. - array attributes on unconstrained array: avoid crash. - `'last_event` returns `time'high` if no event. - `'last_event` on array (uninitialized variable). - allow calling `rising_edge` with a port of mode buffer. - allow aliases of unconstrained arrays. - bound error on aggregate with an unused other association. - catch indexed/sliced component (was crashing). - catch index/slice of a type conversion (was crashing). - handle bad component specification in conf (was crashing). - missing ports in component (was crashing). - component configurations were dicarded by bug in some cases. - no more unused warnings for subprograms in architectures (they may be used in configuration). - allow conversion in component configuration. - conversion in associations with not statically defined array signals. **v0.18** (2005-03-12) - Keep last line number to speed-up line number look-up (improvement). - `--warn-default-binding` added, `--warn-binding` rewritten. - `'value` implemented for integer numbers. - bug fix: - in `textio.read` for time. - `file_close` does not crash if file was already closed. - spurious unused warnings for protected types. - allow subtype names in slice during sensitivity extraction. - correctly set the default value of collapsed ports. - handling of stack2 (aka large concatenation bug). **v0.17** (2005-02-26) - command `--elab-run` added. - Code generation for aggregate improved. - Library name of option `--work=` is checked. - `--no-run` option added to prevent simulation (may be used to disp tree only). - disp signal name in error when multiple sources drive an unresolved signal. - `-m`/`--gen-makefile` now handle several libraries. - dependences are not stored anymore in libraries (shorter/faster). - mentor version of ieee library is now provided. - handling of universal types is more consistent with LRM (almost corner cases). - iterator and indexes whose bounds were universal expressions are now of type integer or erroneous, according to the weird LRM rules. - handle selected name as entity name in architecture/configuration. - bug fix: - port map with expression (corner case ?). - forbid empty extended identifiers. - enumeration literal xrefs. - non-object name in sensitivity list crashed. - correctly handle alias of signals in processes. **v0.16** (2005-01-02) - `std.textio`: readline has no limits on line length. - command `-r` (run) added. - bug fix: - better handling of errors in type conversion. - few uninitialized variables in ghdl itself caught. - parse error: `begin` in aggregates. - bad `unused subprogram` warnings. **v0.15** (2004-10-13) - library file format modified to handle relative pathes. - install fixed to use relative pathes. - internal change: ortho API modified (constant are not anymore expressions). **v0.14** (2004-08-29) - pretty printing in HTML command, `--pp-html`, added. - xref generation in HTML command, `--xref-html`, added. - syntax checking command, `-s`, added. - Code generation in whole command, `-c files -e unit`, added. - warns for unused subprograms. - bug box added to help bug reports. - `-s` (syntax check) command added. - Missing grt subprogram to close non-text file added. - maximum line length of `std.textio.readline` extended to 512 characters. - `std.textio.readline` assert error on truncated lines. - Handle P32 and P64 in `--trace-signals` - sequentials statements are not canonicalized (should be faster). - `DESTDIR` added in Makefile to ease packaging. - for `-m` command, re-parse modified files of the work library. - Many checks added on interfaces. - Many checks added on associations, better handling of conversions. - Checks for unassociated entity ports at elaboration. - bug fix: - resolution function can be an expanded name. - missing type check in a corner case. - emit an error when `EOF` is reached while a text file is read. - `std.textio.read` for negative number. - `std.textio.read` [integer]: correctly handle end of line. - parameters of protected type: handled and checked. - `gen_tree.c` modified to work with sparc. **v0.13** (2004-06-26) - support of 64bits integers and 32bits time (not yet user available) - handle `'high` and `'low` attributes on non-locally static types and subtypes. - Many warning switches added (to control output of warnings). - `--gen-makefile` mode added to ghdl (to generate a Makefile) - alias identifier restrictions of vhdl-02 implemented. - declarative region for architecture from vhdl-02 implemented. - buffer port association rules of vhdl-02 implemented. - method operator restrictions of vhdl-02 implemented. - `'driving` and `'driving_value` implemented. - run-time bound check error message now contains file name and line number. - strings are not stored anymore with the identifiers. - parser does not back-track anymore. - bug fix: - name clash in generated `.s` files (arch and port/generic names). - implicit conversion of signal parameters. - handle locally static type conversion of arrays. - stabilize during elaboration of an unconstrained signal. - revert previous `vhdl87` conf spec bug fix, according to INT-1991 issue 27. - multiple visibility of declarations (eg: direct and alias). - names attribute of non-object aliases. **v0.12** (2004-05-30) - simulation speed improved (2 fold) due to reduced activity optimization. - type conversion handled in associations - make mode of ghdl improved. - bug fix: - attribute specification - allow discrete type marks in choices - handling of generate statement for VCD - allow dereference in variable associations - allow function conversion in block port map - vhdl87: apply configuration specification inside generate stmts. - catch non-passive concurrent procedure calls in entity. - association of an unconstrained port with an expression. - declaring an uncons. array subtype of an uncons. array subtype. **v0.11.1** (2004-04-24) - bug fix: - corner case of signal not updated - handle `'stable`, `'quiet` with a paramater > 0 - typos (missing `+ `) in sparc.S **v0.11** (2004-04-17) - signal collapsing improved. - simulation kernel speed improved (maybe 5x faster). - `--lines` mode of ghdldrv added. - boolean signals are now dumped in vcd files. - bug fix: - in code generation for an aggregate. - run-time check of ascending order of projected transactions. - empty sequence of stmts in case alternatives (unidim array). - evaluation of locally static 'range attribute. - implicit conversion in formal function convertor. - return type is a type mark. **v0.10** (2004-02-28) - architecture with many instances can be compiled with less memory. - `--stats` option added to the simulator, to evaluate performance. - signals are now collapsed between instances, if possible. - simulation is about 3x faster. - sparc port available (source only). - more checks added for attribute specification. - chop command added (split files by design unit). - bug fix: - absolute source files. - empty sequence of statements in case alternatives. **v0.9** (2004-02-01) - VITAL level 0 restrictions checks added. - VITAL 2000 packages provided. - run-time information (such as signal names) rewritten. - SDF support added (partial and experimental). - bug fix: - allow elaboration even if no package body if the package is present in a file but not used by the hierarchy. - `delay_length` range is pre-elaborated (was not in v93). - crashed when a design unit is not found at elaboration. - allow association of `'stable`, `'quiet`... with signal interfaces. - concurrent procedure call creates a non-sensitized process. - effective value of non-scalar resolved signal might not be set. **v0.8** (2003-11-05) - protected types (from 1076a/1076-2000) implemented. - file declarations are finalized in subprograms. - an exit call-back has been added in the run-time library. - internal modifications (nodes are stored in a table). - name of generated executable can be set with `-o` option. - IVI (ivi.sourceforge.org) support through a few VPI subprograms.