From: Konstantin Serebryany <konstantin.s.serebry...@gmail.com> Date: Sat, 17 Nov 2012 19:17:17 -0800
> I'd prefer to mention the ARCHs explicitly where possible, i.e. > #if defined(__x86_64__) || definde (__sparc64__) > instead of > #if __WORDSIZE == 64 || ... You really do need to check __x86_64__ as well the word size, in order to distinguish x32 from traditional x86-64. So no, it is not possible to just use an ARCH check all by itself to handle this case. Therefore, HJ's check is the correct check, and mirrors similar existing checks elsewhere in the tree (f.e. libffi).
