diff --git a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
--- a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
+++ b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
@@ -3284,6 +3284,8 @@
     {"sme", {AArch64::FeatureSME}},
     {"sme-f64", {AArch64::FeatureSMEF64}},
     {"sme-i64", {AArch64::FeatureSMEI64}},
+    {"hbc", {AArch64::FeatureHBC}},
+    {"mops", {AArch64::FeatureMOPS}},
     // FIXME: Unsupported extensions
     {"lor", {}},
     {"rdma", {}},
diff --git a/llvm/test/MC/AArch64/directive-arch_extension.s b/llvm/test/MC/AArch64/directive-arch_extension.s
--- a/llvm/test/MC/AArch64/directive-arch_extension.s
+++ b/llvm/test/MC/AArch64/directive-arch_extension.s
@@ -83,3 +83,12 @@
 .arch_extension flagm
 cfinv
 // CHECK: cfinv
+
+.arch_extension hbc
+lbl:
+    bc.eq lbl
+// CHECK: bc.eq lbl
+
+.arch_extension mops
+cpyfp [x0]!, [x1]!, x2!
+// CHECK: cpyfp [x0]!, [x1]!, x2!