Difference between revisions of "c/compiler support"
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{{title|C compiler support}} | {{title|C compiler support}} | ||
+ | {{c/compiler support/navbar}} | ||
+ | {{fmbox|text=This page is maintained as best-effort and may lag behind most recent compiler releases. If you see something is out-of-date, please help us by updating it!}} | ||
+ | {{anchor|c23}} | ||
+ | == C23 features == | ||
+ | |||
+ | Note that this list may change, as the draft C23/2x standard evolves. | ||
+ | |||
{{include editlink|c/compiler support/23}} | {{include editlink|c/compiler support/23}} | ||
{{c/compiler support/23}} | {{c/compiler support/23}} | ||
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+ | {{anchor|c99}} | ||
+ | == C99 features == | ||
{{include editlink|c/compiler support/99}} | {{include editlink|c/compiler support/99}} | ||
{{c/compiler support/99}} | {{c/compiler support/99}} | ||
+ | |||
+ | <!-- TODO: Create Template:c/compiler_support/references and add sources there like its cpp analog --> | ||
+ | |||
+ | ===See also=== | ||
+ | {{dsc begin}} | ||
+ | {{dsc see cpp|cpp/compiler_support|compiler support|nomono=true}} | ||
+ | {{dsc end}} | ||
+ | |||
+ | {{langlinks|es|ja|pl|ru|zh}} |
Latest revision as of 18:41, 11 December 2022
This page is maintained as best-effort and may lag behind most recent compiler releases. If you see something is out-of-date, please help us by updating it! |
Contents |
[edit] C23 features
Note that this list may change, as the draft C23/2x standard evolves.
[edit] C23 core language features
This section is incomplete Reason: status for Apple Clang and other compilers supporting C2x |
C23 feature |
Paper(s) |
GCC |
Clang |
MSVC |
Apple Clang |
EDG eccp |
Intel C++ |
IBM XL C++ |
IBM Open XL C++ for AIX |
IBM Open XL C++ for z/OS |
Sun/Oracle C++ |
Embarcadero C++ Builder |
Cray |
Nvidia HPC C++ (ex PGI)* |
Nvidia nvcc |
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
_Static_assert with no message | N2265 | 9 | 9 | Yes | Yes | 6.5 | 2021.1.2 (clang based) | |||||||||
[[nodiscard]]
|
N2267 | 10 | 9 | Yes | 6.4 | 2021.1.2 (clang based) | ||||||||||
[[maybe_unused]]
|
N2270 | 10 | 9 | Yes | 6.4 | 2021.1.2 (clang based) | ||||||||||
[[deprecated]]
|
N2334 | 10 | 9 | Yes | 6.4 | 2021.1.2 (clang based) | ||||||||||
Attributes | N2335 N2554 |
10 | 9 | Yes | 6.4 | 2021.1.2 (clang based) | ||||||||||
IEEE 754 decimal floating-point types | N2341 | 4.2 (partial)* 12 |
13.0 (partial)* | |||||||||||||
[[fallthrough]]
|
N2408 | 10 | 9 | Yes | 6.4 | 2021.1.2 (clang based) | ||||||||||
u8 character constants
|
N2418 | 10 | 15 | 6.5 | 2022.2 | |||||||||||
Removal of function definitions without prototype | N2432 | 10 | 15 | 2022.2 | ||||||||||||
[[nodiscard]] with message
|
N2448 | 11 | 10 | Yes | 6.4 | 2021.1.2 (clang based) | ||||||||||
Unnamed parameters in function definitions | N2480 | 11 | 11 | Yes | 6.4 | 2021.1.2 (clang based) | ||||||||||
Labels before declarations and end of blocks | N2508 | 11 | 16 | Partial* | 6.5 | 17.0* | ||||||||||
Binary integer constants | N2549 | 4.3* 11 |
2.9* 9 |
19.0 (2015)** | Yes | 6.5 | 11.0* | |||||||||
__has_c_attribute in preprocessor conditionals | N2553 | 11 | 9 | Yes | 6.5 | 2021.1.2 (clang based) | ||||||||||
Allow duplicate attributes | N2557 | 11 | 13 | Yes | 6.5 | 2021.4 (clang-based | ||||||||||
IEEE 754 interchange and extended types | N2601 | 7 (partial)* 14 |
6 (partial)* | Partial* | ||||||||||||
Digit separators | N2626 | 12 | 13 | 19.0 (2015)** | Yes | 6.5 | 18.0* | |||||||||
#elifdef and #elifndef
|
N2645 | 12 | 13 | 19.40* |
13.1.6* |
6.5 | 2021.4 | |||||||||
Type change of u8 string literals
|
N2653 | 13 | ||||||||||||||
[[maybe_unused]] for labels
|
N2662 | 11 | 16 | 6.5 | 2022.2 | |||||||||||
#warning | N2686 | Yes | Yes | Yes | 6.5 | Yes | ||||||||||
Bit-precise integer types (_BitInt) | N2763 | 14 (partial)* | 15 | 6.5 | 2022.2 | |||||||||||
[[noreturn]]
|
N2764 | 13 | 15 | 6.5 | 2022.2 | |||||||||||
Suffixes for bit-precise integer constants | N2775 | 14 | 15 | 2022.2 | ||||||||||||
__has_include in preprocessor conditionals | N2799 | 5 | Yes | 19.11* | Yes | 6.5 | 18.0 | |||||||||
Identifier Syntax using Unicode Standard Annex 31 | N2836 | 13 | 15 | 6.5 | 2022.2 | |||||||||||
Removal of function declarations without prototype | N2841 | 13 | 15 | 2022.2 |
| |||||||||||
Empty initializers | N2900 | Partial* 13 |
Partial* | Partial* | Partial* | Partial* |
| |||||||||
typeof and typeof_unqual | N2927 N2930 |
Partial* 13 |
Partial* 16 |
19.39* | Partial* | Partial* | Partial* | Partial* | ||||||||
New spelling of keywords | N2934 | 13 | 16 | 6.5 | ||||||||||||
Predefined true and false
|
N2935 | 13 | 15 | 2022.2 | ||||||||||||
[[unsequenced]] and [[reproducible]]
|
N2956 | 15 | ||||||||||||||
Relax requirements for variadic parameter list | N2975 | 13 | 16 | 6.5 | 2023.1 | |||||||||||
Type inference in object definitions | N3007 | 13 | 18 | |||||||||||||
#embed | N3017 | 15 | 19 | |||||||||||||
constexpr objects | N3018 | 13 | 19 | |||||||||||||
Improved Normal Enumerations | N3029 | 13 | 20* | |||||||||||||
Enumerations with fixed underlying types | N3030 | 13 | 20* | |||||||||||||
__VA_OPT__
|
N3033 | 8 13 |
12 | 19.39* | 6.5 | |||||||||||
Storage-class specifiers for compound literals | N3038 | 13 | ||||||||||||||
nullptr | N3042 | 13 | 16 | |||||||||||||
C23 feature |
Paper(s) |
GCC |
Clang |
MSVC |
Apple Clang |
EDG eccp |
Intel C++ |
IBM XL C++ |
IBM Open XL C++ for AIX |
IBM Open XL C++ for z/OS |
Sun/Oracle C++ |
Embarcadero C++ Builder |
Cray |
Nvidia HPC C++ (ex PGI)* |
Nvidia nvcc |
[edit] C23 library features
This section is incomplete Reason: a different list for C standard libraries |
[edit] C99 features
[edit] C99 core language features
This section is incomplete Reason: needs to list C compilers, verification |
C99 feature |
Paper(s) |
GCC |
Clang |
MSVC |
Apple Clang |
EDG eccp |
Intel C++ |
IBM XL C++ |
IBM Open XL C++ for AIX |
IBM Open XL C++ for z/OS |
Sun/Oracle C++ |
Embarcadero C++ Builder |
Cray |
Nvidia HPC C++ (ex PGI)* |
Nvidia nvcc |
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Universal-character-names in identifiers | N/A | 3.1 | Yes | Yes | ||||||||||||
Increased translation limits | N590 | 0.9 | N/A | |||||||||||||
// comments | N644 | 2.7 | Yes | Yes | ||||||||||||
restrict pointers | N448 | 2.95 | Yes | partial* | ||||||||||||
Enhanced arithmetic types | N815 N601 N620 N638 N657 N694 N809 |
Yes | partial | Maybe | ||||||||||||
Flexible array members | N/A | 3.0 | Yes | Yes | ||||||||||||
Variable-length array (VLA) types | N683 | 0.9 | Yes | |||||||||||||
Variably-modified (VM) types | N2778 | N/A | Yes | |||||||||||||
Designated initializers | N494 | 3.0 | Yes | Yes | ||||||||||||
Non-constant initializers | N/A | 1.21 | N/A | |||||||||||||
Idempotent cvr-qualifiers | N505 | 3.0 | N/A | |||||||||||||
Trailing comma in enumerator-list | N/A | 0.9 | Yes | Yes | ||||||||||||
Hexadecimal floating constants | N308 | 2.8 | Yes | Yes | ||||||||||||
Compound literals | N716 | 3.1 | Yes | Yes | ||||||||||||
Floating-point environment | N/A | partial | partial | |||||||||||||
Requiring truncation for divisions of signed integer types | N617 | 0.9 | N/A | |||||||||||||
Implicit return 0; in the main() function
|
N/A | Yes | Yes | Yes | ||||||||||||
Declarations and statements in mixed order | N740 | 3.0 | Yes | Yes | ||||||||||||
init-statement in for loops | N/A | Yes | Yes | Yes | ||||||||||||
inline functions | N741 | 4.3 | Yes | Yes | ||||||||||||
Predefined variable __func__ | N611 | 2.95 | Yes | Yes | ||||||||||||
Cvr-qualifiers and static in [] within function declarations | N/A | 3.1 | Yes | |||||||||||||
Variadic macros | N707 | 2.95 | Yes | Yes | ||||||||||||
_Pragma preprocessor operator | N634 | 3.0 | Yes | partial* | ||||||||||||
Standard pragmas for floating-point evaluation | N631 N696 |
No | No | Yes | ||||||||||||
C99 feature |
Paper(s) |
GCC |
Clang |
MSVC |
Apple Clang |
EDG eccp |
Intel C++ |
IBM XL C++ |
IBM Open XL C++ for AIX |
IBM Open XL C++ for z/OS |
Sun/Oracle C++ |
Embarcadero C++ Builder |
Cray |
Nvidia HPC C++ (ex PGI)* |
Nvidia nvcc |
[edit] See also
C++ documentation for compiler support
|