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News

Verilator 3.900 Released

Added by Wilson Snyder about 1 month ago

Verilator 3.900 2017-01-15

  • Internal code changes for improved compatibility and performance.
  • Support old-style $display($time), bug467. [John Demme]
  • With --bbox-unsup, suppress desassign and mixed edges, bug1120. [Galen Seitz]
  • Fix parsing sensitivity with &&, bug934. [Luke Yang]
  • Fix internal error on double-for loop unrolling, bug1044. [Jan Egil Ruud]
  • Fix internal error on unique casez with --assert, bug1117. [Enzo Chi]
  • Fix bad code when tracing array of structs, bug1122. [Andrew Bardsley]

Verilator 3.890 Released

Added by Wilson Snyder 3 months ago

Verilator 3.890 2016-11-25

  • Honor --output-split on coverage constructors, bug1098. [Johan Bjork]
  • Fix various issues when making outside of the kit.
  • Fix flex 2.6.2 bug, bug1103. [Sergey Kvachonok]
  • Fix error on bad interface name, bug1097. [Todd Strader]
  • Fix error on referencing variable in parent, bug1099. [Ian Thompson]
  • Fix type parameters with low optimization, bug1101. [Stefan Wallentowitz]

Verilator 3.888 Released

Added by Wilson Snyder 4 months ago

Verilator 3.888 2016-10-14

  • Support foreach, bug1078. [Xuan Guo]
  • Add --no-decoration to remove output comments, msg2015. [Frederic Requin]
  • If VM_PARALLEL_BUILDS=1, use OPT_FAST and OPT_SLOW. [Frederic Requin] Set VM_DEFAULT_RULES=0 for old behavior.
  • Add error on DPI functions > 32 bits, msg1995. [Elliot Mednick]
  • Fix SystemC compiles with VPI, bug1081. [Arthur Kahlich]
  • Fix error on wide numbers that represent shifts, msg1991, bug1088. [Mandy Xu]
  • Improve Verilation performance on internal strings, msg1975. [Johan Bjork]
  • Improve Verilation performance on trace duplicates, bug1090. [Johan Bjork]

Verilator 3.886 Released

Added by Wilson Snyder 7 months ago

Verilator 3.886 2016-07-30

  • Fix enum values of 11-16 bits wide using .next/.prev, bug1062. [Brian Flachs]
  • Fix false warnings on non-power-2 enums using .next/.prev.
  • Fix comparison of unpacked arrays, bug1071. [Andrew Bardsley]
  • Fix compiler warning in GCC 6. [David Horton]

Verilator 3.884 Released

Added by Wilson Snyder 9 months ago

Verilator 3.884 2016-05-18

  • Support parameter type, bug376. [Alan Hunter, et al]
  • Support command-line -G/+pvalue param overrides, bug1045. [Stefan Wallentowitz]
  • The default l2 scope name is now the same as the top-level module, bug1050. Use "--l2-name v" for the historical behavior.
  • Add --l2-name option for controlling "v" naming.
  • Fix --output-split of constructors, bug1035. [Johan Bjork]
  • Fix removal of empty packages, modules and cells, bug1034. [Johan Bjork]
  • Fix core dump on Arch Linux/GCC 6.1.1, bug1058. [Jannis Harder]
  • Fix $value$plusargs to string, msg1890. [Frederic Requin]

Verilator 3.882 Released

Added by Wilson Snyder 12 months ago

Verilator 3.882 2016-03-01

  • Internal Verilation-time performance enhancements, bug1021. [Johan Bjork]
  • Support inlining interfaces, bug1018. [Johan Bjork]
  • Support SV strings to readmemh, bug1040. [Stefan Wallentowitz]
  • Fix unrolling complicated for-loop bounds, bug677. [Johan Bjork]
  • Fix stats file containing multiple unroll entries, bug1020. [Johan Bjork]
  • Fix using short parameter names on negative params, bug1022. [Duraid Madina]
  • Fix read-after-free error, bug1031. [Johan Bjork]
  • Fix elaboration-time display warnings, bug1032. [Johan Bjork]
  • Fix crash on very deep function trees, bug1028. [Jonathan Kimmitt]
  • Fix slicing mix of big and little-endian, bug1033. [Geoff Barrett]
  • Fix pattern assignment width propagation, bug1037. [Johan Bjork]

Verilator 3.880 Released

Added by Wilson Snyder about 1 year ago

Verilator 3.880 2015-12-19

  • Support display %u, %v, %p, %z, bug989. [Johan Bjork]
  • Fix real parameters causing bad module names, bug992. [Johan Bjork]
  • Fix size-changing cast on packed struct, bug993. [Johan Bjork]
  • Fix function calls on arrayed interface, bug994. [Johan Bjork]
  • Fix constant function assigned to packed structs, bug997. [Johan Bjork]
  • Fix interface inside generate, bug998. [Johan Bjork]
  • Fix $signed casts under generates, bug999. [Clifford Wolf]
  • Fix genvar constant propagation, bug1003. [Johan Bjork]
  • Fix parameter constant propagation from package, bug1004. [Johan Bjork]
  • Fix array slicing of non-const indexes, bug1006. [Johan Bjork]
  • Fix dotted generated array error, bug1005. [Jeff Bush, Johan Bjork]
  • Fix error instead of warning on large concat, msg1768. [Paul Rolfe]
  • Fix $bitstoreal constant propagation, bug1012. [Jonathan Kimmitt]
  • Fix model restore crash, bug1013. [Jason McMullan]
  • Fix arrayed instances to unpacked of same size, bug1015. [Varun Koyyalagunta]
  • Fix slices of unpacked arrays with non-zero LSBs.
  • Fix ternary operation with unpacked array, bug1017. [Varun Koyyalagunta].

Verilator 3.878 Released

Added by Wilson Snyder over 1 year ago

Verilator 3.878 2015-11-01

  • Add --vpi flag, and fix VPI linkage, bug969. [Arthur Kahlich]
  • Support genvar indexes into arrayed cells, bug517. [Todd Strader]
  • Support $sformatf, bug977. [Johan Bjork]
  • Support elaboration assertions, bug973. [Johan Bjork]
  • Support $display with non-format arguments, bug467. [Jamey Hicks]
  • Add VerilatedScopeNameMap for introspection, bug966. [Todd Strader]
  • Ignore %l in $display, bug983. [Todd Strader]
  • Fix very long module names, bug937. [Todd Strader]
  • Fix internal error on dotted refs into generates, bug958. [Jie Xu]
  • Fix structure parameter constant propagation, bug968. [Todd Strader]
  • Fix enum constant propagation, bug970. [Todd Strader]
  • Fix mis-optimizing public DPI functions, bug963. [Wei Song]
  • Fix package:scope.scope variable references.
  • Fix $fwrite to constant stderr/stdout, bug961. [Wei Song]
  • Fix struct.enum.name method calls, bug855. [Jonathon Donaldson]
  • Fix dot indexing into arrayed inferfaces, bug978. [Johan Bjork]
  • Fix crash in commandArgsPlusMatch, bug987. [Jamie Iles]
  • Fix error message on missing interface, bug985. [Todd Strader]

Verilator 3.876 Released

Added by Wilson Snyder over 1 year ago

Verilator 3.876 2015-08-12

  • Add tracing_on, etc to vlt files, bug932. [Frederic Requin]
  • Support extraction of enum bits, bug951. [Jonathon Donaldson]
  • Fix MinGW compiler error, bug927, bug929. [Hans Tichelaar]
  • Fix .c files to be treated as .cpp, bug930. [Jonathon Donaldson]
  • Fix string-to-int space conversion, bug931. [Fabrizio Ferrandi]
  • Fix dpi imports inside generates. [Michael Tresidder]
  • Fix rounding in trace $timescale, bug946. [Frederic Requin]
  • Fix $fopen with SV string, bug947. [Sven Stucki]
  • Fix hashed error with typedef inside block, bug948. [Sven Stucki]
  • Fix makefile with --coverage, bug953. [Eivind Liland]
  • Fix coverage documentation, bug954. [Thomas J Whatson]
  • Fix parameters with function parameter arguments, bug952. [Jie Xu]
  • Fix size casts as second argument of cast item, bug950. [Jonathon Donaldson]

Verilator 3.874 Released

Added by Wilson Snyder over 1 year ago

Verilator 3.874 2015-06-06

  • Add pkg-config .pc file, bug919. [Stefan Wallentowitz]
  • Fix installing missing manpages, bug908. [Ahmed El-Mahmoudy]
  • Fix sign extension in large localparams, bug910. [Mike Thyer]
  • Fix core dump in sync-async warnings, bug911. [Sebastian Dressler]
  • Fix truncation warning with -pins-bv, bug912. [Alfonso Martinez]
  • Fix Cygwin uint32 compile, bug914. [Matthew Barr]
  • Fix preprocessing stringified newline escapes, bug915. [Anton Rapp]
  • Fix part-select in constant function, bug916. [Andrew Bardsley]
  • Fix width extension on mis-width ports, bug918. [Patrick Maupin]
  • Fix width propagation on sized casts, bug925. [Jonathon Donaldson]
  • Fix MSVC++ compiler error, bug927. [Hans Tichelaar]
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