[clang] [llvm] PowerPC: Support `Q` constraint and `P` modifier in Inline Asm (PR #163616)

[via llvm-commits]

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@@ -17882,6 +17882,7 @@ PPCTargetLowering::getConstraintType(StringRef Constraint) const {
     case 'y':
       return C_RegisterClass;
     case 'Z':
+    case 'Q':
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RolandF77 wrote:

Maybe put the 'Q' above the 'Z' so the comment is adjacent.

https://github.com/llvm/llvm-project/pull/163616