Verilator 5.012 2023-06-13 Released

[wsnyder]

Verilator 5.012 2023-06-13

Major:

• With -j or --build-jobs, multithread Verilator's emit phase of Verilation. [Kamil Rakoczy, Antmicro Ltd]
  Additional Verilator-internal stages will become multithreaded over time.

Minor:

• Add --main-top-name option for C main TOP name (Support option to rename TOP in --main generated file verilator#4235) (Add --main-top-name option for C main TOP name (#4235) verilator#4249). [Don Williamson]
• Add creating __inputs.vpp file with --debug (Produce a single file out of all files read by Verilator verilator#4177). [Tudor Timi]
• Add NEWERSTD warning when using feature in newer language standard (No Warning When Using Unbased Unsized Literal in Verilog verilator#4168) (Added NEWERSTD warning (#4168) verilator#4172). [Ethan Sifferman]
• Add warning that timing controls in DPI exports are unsupported (Warn that timing controls in DPI exports are unsupported verilator#4238). [Krzysztof Bieganski, Antmicro Ltd]
• Support std::process class (Add std::process class verilator#4212). [Aleksander Kiryk, Antmicro Ltd]
• Support inside expressions with strings and doubles (Support inside expressions with strings and doubles verilator#4138) (Support inside expressions with strings and doubles (#4138) verilator#4139). [Krzysztof Boroński]
• Support get_randstate/set_randstate class method functions.
• Support for condition operator on class objects (Add support for condition operator on class objects verilator#4214). [Ryszard Rozak, Antmicro Ltd]
• Support array max (Support array max verilator#4275). [Aleksander Kiryk, Antmicro Ltd]
• Optimize VPI callValueCbs (Optimize callValueCbs verilator#4155). [Hennadii Chernyshchyk]
• Configure for faster C++ linking using 'mold', if it is installed.
• Fix crash on duplicate imported modules (Listing package twice in command list results in broken link in node crash verilator#3231). [Robert Balas]
• Fix false WIDTHEXPAND on array declarations (Fix WIDTH to point at proper subtract fileline verilator#3959). [JOTEGO]
• Fix marking overridden methods as coroutines (Verilation issues with virtual tasks when inherting across packages verilator#4120) (Fix marking overridden methods as coroutines (#4120) verilator#4169). [Krzysztof Bieganski, Antmicro Ltd]
• Fix SystemC signal copy macro use (Fix incorrect SystemC signal copy macro use verilator#4135). [Josep Sans]
• Fix duplicate static names in blocks in functions (Cannot declare static variable with same name in different blocks of method verilator#4144) (Fix duplicate static names in blocks in functions (#4144) verilator#4160). [Stefan Wallentowitz]
• Fix initialization order of initial static after function/task (Fix initialization order of initial static after function/task verilator#4159). [Kamil Rakoczy, Antmicro Ltd]
• Fix linking AstRefDType if it has parameterized class ref (Regression in class params verilator#4164) (Don't link AstRefDType if it has parameterized class ref (#4164) verilator#4170). [Ryszard Rozak, Antmicro Ltd]
• Fix crash caused by $display() optimization (Fix $display optimization causing unpredictable crashes verilator#4165) (Fix crash caused by $display() optimization (#4165) verilator#4166). [Tudor Timi]
• Fix arrays of unpacked structs (Nested array of unpacked struct causing segfault verilator#4173). [Risto Pejašinović]
• Fix $fscanf of decimals overflowing variables (Signed comparison fails for sizes not multiple of 8, or when reference value is read from a file verilator#4174). [Ahmed El-Mahmoudy]
• Fix super.new missing data type (Crash related to data types and super.new call verilator#4147). [Tudor Timi]
• Fix missing class forward declarations (CUse: include missing class forward declarations verilator#4151). [Krzysztof Boroński]
• Fix hashes of instances of parameterized classes (Fix hashes of instances of parameterized classes verilator#4182). [Ryszard Rozak, Antmicro Ltd]
• Fix forced assignments that override non-continuous assignments (release statements affect combo logic incorrectly verilator#4183) (Assign forced val on forced assign release conditionally (#4183) verilator#4192). [Krzysztof Bieganski, Antmicro Ltd]
• Fix wide structure VL_TOSTRING_W generation (VL_TO_STRING_W generated from V3Common::makeVlToString is missing width parameter verilator#4188) (V3Common.cpp::makeVlToString: fix VL_TOSTRING_W statement generation (#4188) verilator#4189). [Aylon Chaim Porat]
• Fix references to members of parameterized base classes (Fix references to members of parameterized base classes verilator#4196). [Ryszard Rozak, Antmicro Ltd]
• Fix tracing undefined alignment (verilated_trace_imp undefined behavior - store to misaligned address verilator#4201) (Fix tracing undefined alignment (#4201) verilator#4288) [John Wehle]
• Fix class specific same methods for AstVarScope, AstVar, and AstScope (Active region did not converge. verilator#4203) (Add class specific same methods for AstVarScope, AstVar, and AstScope (#4203) verilator#4250). [John Wehle]
• Fix dotted references in parameterized classes (Mark AstDot as unresolved if one of its components is unresolved verilator#4206). [Ryszard Rozak, Antmicro Ltd]
• Fix bit selections under parameterized classes (Don't handle AstSelBit if the fromp() is unresolved verilator#4210). [Ryszard Rozak, Antmicro Ltd]
• Fix duplicate std:: declaration with -I (Linting produced error when -I is used verilator#4215). [Harald Pretl]
• Fix deep traversal of class inheritance timing (V3Timing: Deep traversal of class inheritance verilator#4216). [Krzysztof Boroński]
• Fix class parameters of enum types (Fix class parameters of enum types verilator#4219). [Ryszard Rozak, Antmicro Ltd]
• Fix static methods with prototypes (Fix static methods with prototypes verilator#4220). [Ryszard Rozak, Antmicro Ltd]
• Fix LATCH warning on function local variables (Fix LATCH warning on static function return values in always_comb blocks verilator#4221) (Fix LATCH warning on function local variables (#4221) verilator#4284) [Julien Margetts]
• Fix VCD scope types (Fix non-standard of 'struct' in VCD traces verilator#4227) (Fix VCD scope types verilator#4282). [Àlex Torregrosa]
• Fix incorrect multi-driven lint warning (Signal incorrectly detected as multi-driven verilator#4231) (Fix incorrect multi-driven lint warning (#4231) verilator#4248). [Adrien Le Masle]
• Fix missing assignment for wide unpacked structs (Fix missing assignment for wide unpacked structs verilator#4233). [Jiamin Zhu]
• Fix unpacked struct == and != operators (Unpacked structs, bug in verilated C++ for combinatorial logic from struct fields verilator#4234) (Fix unpacked struct == and != operators (#4234) verilator#4240). [Risto Pejašinović]
• Fix AstStructSel clean when data type is structure (Unpacked structure faulty comparison of sub structure verilator#4241) (Fix AstStructSel clean when data type is structure (#4241) verilator#4244). [Risto Pejašinović]
• Fix function calls in with statements (Add support for function calls in with statements verilator#4245). [Ryszard Rozak, Antmicro Ltd]
• Fix operator == for unpacked struct, if elements are VlUnpacked arrays (Fix operator == for unpacked struct, if elements are VlUnpacked arrays verilator#4247). [Risto Pejašinović]
• Fix STATIC lifetime for variables created from clocking items (Use STATIC lifetime for variables created from clocking items verilator#4262). [Krzysztof Boroński]
• Fix names of foreach blocks (Fix names of foreach blocks verilator#4264). [Ryszard Rozak, Antmicro Ltd]
• Fix iterated variables in foreach loops to have VAUTOM lifetimes (Give iterated variable in foreach loops VAUTOM lifetime verilator#4265). [Krzysztof Boroński]
• Fix missing assignment for wide class members (Fix missing assignment for wide class members. verilator#4267). [Jiamin Zhu]
• Fix the global uses timing flag when forks exist (Set the global usesTiming flag if forks exist, once again verilator#4274). [Krzysztof Bieganski, Antmicro Ltd]
• Fix struct redefinition (Fix struct redefinition verilator#4276). [Aleksander Kiryk, Antmicro Ltd]
• Fix detection of wire/reg duplicates.
• Fix false IMPLICITSTATIC on package functions.
• Fix method calls on function return values.