Hi Jeffrey, On Thu, Apr 17, 2025 at 3:40 PM Jeffrey Walton <noloader@xxxxxxxxx> wrote: > > On Thu, Apr 17, 2025 at 3:25 AM Qingfang Deng <dqfext@xxxxxxxxx> wrote: > > > > Hi Ard, > > > > On Thu, Apr 17, 2025 at 2:58 PM Ard Biesheuvel <ardb@xxxxxxxxxx> wrote: > > > [...] > > > > > > Also, do you need to test for int128 support? Or is that guaranteed > > > for all compilers that are supported by the RISC-V port? > > > > I believe int128 support is available for all 64-bit targets. > > You can verify the compiler supports int128 with the following macro: > > #if (__SIZEOF_INT128__ >= 16) > ... > #endif > > Also see <https://gcc.gnu.org/pipermail/gcc-help/2015-August/124862.html>. There is a Kconfig symbol ARCH_SUPPORTS_INT128. I may switch to that. > > Jeff
