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

[zhijian lin via cfe-commits]

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@@ -271,22 +271,33 @@ namespace {
 class PPC32_SVR4_ABIInfo : public DefaultABIInfo {
   bool IsSoftFloatABI;
   bool IsRetSmallStructInRegABI;
+  bool isComplexInRegABI;
+  // Size of GPR in bits
+  unsigned RLen;
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diggerlin wrote:

`RLen` is too short to understand what `R` means , suggest to change to `RegLen` and `RegisterLen`.  and Do we need to add `RLen` ? since the  class is PPC32_SVR4_ABIInfo, Should the Register Len be default to 32 bit ?

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