================
@@ -255,4 +255,9 @@ void RuntimeLibcallsInfo::initLibcalls(const Triple &TT) {
}
setLibcallName(RTLIB::MULO_I128, nullptr);
}
+
+ if (TT.isSystemZ()) {
+ setLibcallName(RTLIB::FPROUND_F32_F16, "__truncsfhf2");
+ setLibcallName(RTLIB::FPEXT_F16_F32, "__extendhfsf2");
+ }
----------------
tgross35 wrote:
Hm, I see they default to the `__gnu_` functions in this file. Some targets
(wasm, hexagon) manually set it to `__extendhfsf2` and `__truncsfhf2` in
`*SelfLowering.cpp` but why do targets like x86 correctly lower to these as
well without an override either in this file or in selflowering?
https://github.com/llvm/llvm-project/pull/109164
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