diff --git a/llvm/lib/Target/ARM/ARMInstrFormats.td b/llvm/lib/Target/ARM/ARMInstrFormats.td
--- a/llvm/lib/Target/ARM/ARMInstrFormats.td
+++ b/llvm/lib/Target/ARM/ARMInstrFormats.td
@@ -2772,6 +2772,7 @@
 def : TokenAlias<".p8", ".8">;
 def : TokenAlias<".p16", ".16">;
 
+def : TokenAlias<".f16", ".16">;
 def : TokenAlias<".f32", ".32">;
 def : TokenAlias<".f64", ".64">;
 def : TokenAlias<".f", ".f32">;