diff --git a/bolt/lib/Core/BinaryContext.cpp b/bolt/lib/Core/BinaryContext.cpp
--- a/bolt/lib/Core/BinaryContext.cpp
+++ b/bolt/lib/Core/BinaryContext.cpp
@@ -124,8 +124,7 @@
     break;
   case llvm::Triple::aarch64:
     ArchName = "aarch64";
-    FeaturesStr = "+fp-armv8,+neon,+crypto,+dotprod,+crc,+lse,+ras,+rdm,"
-                  "+fullfp16,+spe,+fuse-aes,+rcpc";
+    FeaturesStr = "+all";
     break;
   default:
     return createStringError(std::errc::not_supported,
diff --git a/lldb/source/Plugins/Disassembler/LLVMC/DisassemblerLLVMC.cpp b/lldb/source/Plugins/Disassembler/LLVMC/DisassemblerLLVMC.cpp
--- a/lldb/source/Plugins/Disassembler/LLVMC/DisassemblerLLVMC.cpp
+++ b/lldb/source/Plugins/Disassembler/LLVMC/DisassemblerLLVMC.cpp
@@ -1179,16 +1179,9 @@
       features_str += "+dspr2,";
   }
 
-  // If any AArch64 variant, enable latest ISA with all extensions.
+  // If any AArch64 variant, enable all features.
   if (triple.isAArch64()) {
-    features_str += "+v9.3a,";
-    std::vector<llvm::StringRef> features;
-    // Get all possible features
-    llvm::AArch64::getExtensionFeatures(-1, features);
-    features_str += llvm::join(features, ",");
-
-    if (triple.getVendor() == llvm::Triple::Apple)
-      cpu = "apple-latest";
+    features_str += "+all";
   }
 
   if (triple.isRISCV()) {
diff --git a/llvm/lib/MC/MCSubtargetInfo.cpp b/llvm/lib/MC/MCSubtargetInfo.cpp
--- a/llvm/lib/MC/MCSubtargetInfo.cpp
+++ b/llvm/lib/MC/MCSubtargetInfo.cpp
@@ -198,6 +198,8 @@
       Help(ProcDesc, ProcFeatures);
     else if (Feature == "+cpuhelp")
       cpuHelp(ProcDesc);
+    else if (Feature == "+all")
+      Bits.set();
     else
       ApplyFeatureFlag(Bits, Feature, ProcFeatures);
   }
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -1693,6 +1693,10 @@
   if (!MAttrs.empty())
     for (unsigned I = 0; I != MAttrs.size(); ++I)
       Features.AddFeature(MAttrs[I]);
+  else {
+    if (Obj->getArch() == llvm::Triple::aarch64)
+      Features.AddFeature("+all");
+  }
 
   std::unique_ptr<const MCRegisterInfo> MRI(
       TheTarget->createMCRegInfo(TripleName));