[clang] [clang][PowerPC] Add flag to enable compatibility with GNU for complex arguments (PR #77732)

[zhijian lin via cfe-commits]

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@@ -337,12 +350,77 @@ CharUnits PPC32_SVR4_ABIInfo::getParamTypeAlignment(QualType Ty) const {
   return CharUnits::fromQuantity(4);
 }
 
+ABIArgInfo PPC32_SVR4_ABIInfo::handleComplex(QualType Ty,
+                                             uint64_t &TypeSize) const {
+
+  assert(Ty->isAnyComplexType());
+  llvm::Type *ElemTy;
+  unsigned SizeRegs;
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diggerlin wrote:

I can not understand what the SizeRegs stand for ?
can you explain it ? do it indicate how many Registers will be used by the parameter which has TypeSize length.

https://github.com/llvm/llvm-project/pull/77732