在 2020/2/1 下午7:06, Edward Diener 写道:
> Given the code:
>
> class cbase;
> int main()
> {
> typedef int __attribute__ ((__stdcall__)) (cbase::* atype)();
> typedef int __attribute__ ((__cdecl__)) (cbase::* btype)();
> typedef int __attribute__ ((__fastcall__)) (cbase::* ctype)();
> typedef int __attribute__ ((__thiscall__)) (cbase::* dtype)();
> return 0;
> }
>
>
> If I compile this for x64 (-m64) in gcc-9.2 I receive no errors or
> warnings. Yet
> https://gcc.gnu.org/onlinedocs/gcc/x86-Function-Attributes.html tells me
> that all four are only for x86-32 targets. Is the documentation wrong,
> is this a bug in gcc-9.2, or have I missed something ?
Are you compiling for Windows targets? If you target x64 Windows then
it's likely that such attributes are accepted but ignored in line with
MS compilers.
--
Best regards,
LH_Mouse
