[clang] [CLANG][AArch64] Add the modal 8 bit floating-point scalar type (PR #97277)

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git-clang-format --diff 9e63632b3274dc1b20502b569e79a311977e0a97 c622d4473898f2f61a22788205c2a4ff49df58a0 --extensions h,cpp,c -- clang/test/AST/arm-mfp8.cpp clang/test/CodeGen/arm-mfp8.c clang/test/Sema/arm-mfp8.c clang/test/Sema/arm-mfp8.cpp clang/include/clang/AST/ASTContext.h clang/include/clang/AST/Type.h clang/include/clang/Basic/Specifiers.h clang/include/clang/Basic/TargetBuiltins.h clang/include/clang/Basic/TargetInfo.h clang/include/clang/Sema/DeclSpec.h clang/include/clang/Serialization/ASTBitCodes.h clang/lib/AST/ASTContext.cpp clang/lib/AST/ItaniumMangle.cpp clang/lib/AST/PrintfFormatString.cpp clang/lib/AST/Type.cpp clang/lib/AST/TypeLoc.cpp clang/lib/Basic/TargetInfo.cpp clang/lib/Basic/Targets/AArch64.cpp clang/lib/Basic/Targets/AArch64.h clang/lib/CodeGen/CGDebugInfo.cpp clang/lib/CodeGen/CodeGenModule.cpp clang/lib/CodeGen/CodeGenTypeCache.h clang/lib/CodeGen/CodeGenTypes.cpp clang/lib/CodeGen/ItaniumCXXABI.cpp clang/lib/Index/USRGeneration.cpp clang/lib/Lex/Lexer.cpp clang/lib/Parse/ParseDecl.cpp clang/lib/Parse/ParseExpr.cpp clang/lib/Parse/ParseExprCXX.cpp clang/lib/Parse/ParseTentative.cpp clang/lib/Sema/DeclSpec.cpp clang/lib/Sema/SemaCast.cpp clang/lib/Sema/SemaExpr.cpp clang/lib/Sema/SemaTemplateVariadic.cpp clang/lib/Sema/SemaType.cpp clang/lib/Serialization/ASTCommon.cpp clang/lib/Serialization/ASTReader.cpp
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View the diff from clang-format here.
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diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
index fe3234ef85..19101f5a95 100644
--- a/clang/lib/AST/ItaniumMangle.cpp
+++ b/clang/lib/AST/ItaniumMangle.cpp
@@ -3800,7 +3800,9 @@ void CXXNameMangler::mangleNeonVectorType(const VectorType *T) {
     case BuiltinType::Float:     EltName = "float32_t"; break;
     case BuiltinType::Half:      EltName = "float16_t"; break;
     case BuiltinType::BFloat16:  EltName = "bfloat16_t"; break;
-    case BuiltinType::MFloat8:   EltName = "mfloat8_t"; break;
+    case BuiltinType::MFloat8:
+      EltName = "mfloat8_t";
+      break;
     default:
       llvm_unreachable("unexpected Neon vector element type");
     }
diff --git a/clang/lib/Sema/DeclSpec.cpp b/clang/lib/Sema/DeclSpec.cpp
index 3af64ea55e..59a8124836 100644
--- a/clang/lib/Sema/DeclSpec.cpp
+++ b/clang/lib/Sema/DeclSpec.cpp
@@ -576,7 +576,8 @@ const char *DeclSpec::getSpecifierName(DeclSpec::TST T,
   case DeclSpec::TST_fract:       return "_Fract";
   case DeclSpec::TST_float16:     return "_Float16";
   case DeclSpec::TST_float128:    return "__float128";
-  case DeclSpec::TST_MFloat8:     return "__mfp8";
+  case DeclSpec::TST_MFloat8:
+    return "__mfp8";
   case DeclSpec::TST_ibm128:      return "__ibm128";
   case DeclSpec::TST_bool:        return Policy.Bool ? "bool" : "_Bool";
   case DeclSpec::TST_decimal32:   return "_Decimal32";

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https://github.com/llvm/llvm-project/pull/97277