[llvm-dev] [compiler-rt] Support 128 bits soft-floating point without int128_t support

chengzhiwei (C) via llvm-dev llvm-dev at lists.llvm.org
Tue Mar 17 23:50:49 PDT 2020

Hi, all:
Recently when I build compiler-rt runtime library based on riscv32 and get an unknown type error about int128 type, this has been discussed in the community:
But there is no support in GCC for expressing an integer constant of type __int128 for targets with long long integer less than 128 bits wide(https://gcc.gnu.org/onlinedocs/gcc-7.3.0/gcc/_005f_005fint128.html#g_t_005f_005fint128)。
So do anyone have a different solution to support long-double fp operation?


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