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GCC and Clang can be made to use a similar calling convention by using __stdcall with the regparm function attribute or the -mregparm=3 switch. (The stack order is inverted.) It is also possible to produce a caller clean-up variant using cdecl or extend this to also use SSE registers. [18]
Clang becomes default compiler in OpenBSD 6.6 on mips64. [58] 19 September 2019 Clang 9.0.0 released with official RISC-V target support. [59] 29 February 2020 Clang becomes the only C compiler in the FreeBSD base system, with the removal of GCC. [60] 24 March 2020 Clang 10.0.0 released: 2 April 2020: Clang becomes default compiler in OpenBSD 6 ...
C23, formally ISO/IEC 9899:2024, is the current open standard for the C programming language, which supersedes C17 (standard ISO/IEC 9899:2018). [1] It was started in 2016 informally as C2x, [2] and was published on October 31, 2024. [3]
32-bit compilers emit, respectively: _f _g@4 @h@4 In the stdcall and fastcall mangling schemes, the function is encoded as _name@X and @name@X respectively, where X is the number of bytes, in decimal, of the argument(s) in the parameter list (including those passed in registers, for fastcall).
Clang progressively added partial C++23 support from 2021 in version 13 through to version 18 in 2024, available through the option -std=c++23. [ 142 ] GCC added partial, experimental C++23 support in 2021 in version 11 through the option -std=c++2b or -std=c++23 It also has an option to enable GNU extensions in addition to the experimental C++ ...
Allowing attributes for namespaces and enumerators [10] [11] New standard attributes [[ fallthrough ]] , [[ maybe_unused ]] and [[ nodiscard ]] [ 12 ] UTF-8 ( u8 ) character literals [ 10 ] [ 13 ] (UTF-8 string literals have existed since C++11 ; C++17 adds the corresponding character literals for consistency, though as they are restricted to a ...
Clang has partial C++20 support that can be enabled with the option -std=c++20 (version 10 and later) or -std=c++2a (version 9 and earlier). [ 80 ] EDG started implementing C++20 features in version 5.0 and as of version 6.1 supports most C++20 core language features.
In computer programming, thread-local storage (TLS) is a memory management method that uses static or global memory local to a thread.The concept allows storage of data that appears to be global in a system with separate threads.