================
@@ -1009,9 +1009,9 @@ else ()
list(APPEND BUILTIN_CFLAGS_${arch} -fomit-frame-pointer
-DCOMPILER_RT_ARMHF_TARGET)
endif()
- # For RISCV32, we must force enable int128 for compiling long
+ # For RISCV32 and 32-bit SPARC, we must force enable int128 for
compiling long
# double routines.
- if(COMPILER_RT_ENABLE_SOFTWARE_INT128 OR "${arch}" STREQUAL "riscv32")
+ if(COMPILER_RT_ENABLE_SOFTWARE_INT128 OR "${arch}" STREQUAL "riscv32" OR
("${arch}" STREQUAL "sparc" AND NOT CMAKE_COMPILER_IS_GNUCC))
----------------
koachan wrote:
Thanks for the hint! I tried running it and seems like I found some other long
double related failures:
```
SanitizerCommon-asan-sparc-Linux :: printf-ldbl.c
SanitizerCommon-asan-sparc-Linux :: scanf-ldbl.c
SanitizerCommon-ubsan-sparc-Linux :: printf-ldbl.c
SanitizerCommon-ubsan-sparc-Linux :: scanf-ldbl.c
```
Because clang lowers the printf/scanf calls into something like
`__nldbl_snprintf` and `__nldbl___isoc99_sscanf`...
Seems like I missed defining `__LONG_DOUBLE_128__`, lemme fix this.
https://github.com/llvm/llvm-project/pull/162226
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