Nikita Popov cc539138ac [CodeGen] Use __extendhfsf2 and __truncsfhf2 by default (#126880) ...

The standard libcalls for half to float and float to half conversion are
__extendhfsf2 and __truncsfhf2. However, LLVM currently uses
__gnu_h2f_ieee and __gnu_f2h_ieee instead. As far as I can tell, these
libcalls are an ARM-ism and only provided by libgcc on that platform.
compiler-rt always provides both libcalls.

Use the standard libcalls by default, and only use the __gnu libcalls on
ARM.

2025-02-19 10:16:57 +01:00

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