[clang] [compiler-rt] [llvm] [SPARC] Properly handle CC for long double on sparc32 (PR #162226)

[Sergei Barannikov via llvm-commits]

================
@@ -24,8 +24,8 @@ def CC_Sparc32 : CallingConv<[
   // As are v2i32 arguments (this would be the default behavior for
   // v2i32 if it wasn't allocated to the IntPair register-class)
   CCIfType<[v2i32], CCCustom<"CC_Sparc_Assign_Split_64">>,
-
-
+  // f128 arguments are passed indirectly.
+  CCIfType<[f128], CCPassIndirect<i32>>,
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s-barannikov wrote:

I'm not sure this is necessary.
clang should've already lowered it to pass indirectly, and LLVM ABI doesn't have to match C/C++ ABI.


https://github.com/llvm/llvm-project/pull/162226