Compiler support for C99
From cppreference.com
<
c
|
compiler support
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
|