diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoZvfbf.td b/llvm/lib/Target/RISCV/RISCVInstrInfoZvfbf.td
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoZvfbf.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoZvfbf.td
@@ -27,5 +27,5 @@
 
 let Predicates = [HasStdExtZvfbfwma], Constraints = "@earlyclobber $vd",
     RVVConstraint = WidenV, Uses = [FRM], mayRaiseFPException = true in {
-defm VFWMACCBF16_V : VWMAC_FV_V_F<"vfwmaccbf16", 0b100011>;
+defm VFWMACCBF16_V : VWMAC_FV_V_F<"vfwmaccbf16", 0b111011>;
 }
diff --git a/llvm/test/MC/RISCV/rvv/zvfbfwma.s b/llvm/test/MC/RISCV/rvv/zvfbfwma.s
--- a/llvm/test/MC/RISCV/rvv/zvfbfwma.s
+++ b/llvm/test/MC/RISCV/rvv/zvfbfwma.s
@@ -18,27 +18,27 @@
 # RUN:    | llvm-objdump -d - | FileCheck %s --check-prefix=CHECK-UNKNOWN
 
 # CHECK-INST: vfwmaccbf16.vv v8, v20, v4, v0.t
-# CHECK-ENCODING: [0x57,0x14,0x4a,0x8c]
+# CHECK-ENCODING: [0x57,0x14,0x4a,0xec]
 # CHECK-ERROR: instruction requires the following: 'Zvfbfwma' (Vector BF16 widening mul-add){{$}}
-# CHECK-UNKNOWN: 57 14 4a 8c <unknown>
+# CHECK-UNKNOWN: 57 14 4a ec <unknown>
 vfwmaccbf16.vv v8, v20, v4, v0.t
 
 # CHECK-INST: vfwmaccbf16.vv v8, v20, v4
-# CHECK-ENCODING: [0x57,0x14,0x4a,0x8e]
+# CHECK-ENCODING: [0x57,0x14,0x4a,0xee]
 # CHECK-ERROR: instruction requires the following: 'Zvfbfwma' (Vector BF16 widening mul-add){{$}}
-# CHECK-UNKNOWN: 57 14 4a 8e <unknown>
+# CHECK-UNKNOWN: 57 14 4a ee <unknown>
 vfwmaccbf16.vv v8, v20, v4
 
 # CHECK-INST: vfwmaccbf16.vf v8, fa0, v4, v0.t
-# CHECK-ENCODING: [0x57,0x54,0x45,0x8c]
+# CHECK-ENCODING: [0x57,0x54,0x45,0xec]
 # CHECK-ERROR: instruction requires the following: 'Zvfbfwma' (Vector BF16 widening mul-add){{$}}
-# CHECK-UNKNOWN: 57 54 45 8c <unknown>
+# CHECK-UNKNOWN: 57 54 45 ec <unknown>
 vfwmaccbf16.vf v8, fa0, v4, v0.t
 
 # CHECK-INST: vfwmaccbf16.vf v8, fa0, v4
-# CHECK-ENCODING: [0x57,0x54,0x45,0x8e]
+# CHECK-ENCODING: [0x57,0x54,0x45,0xee]
 # CHECK-ERROR: instruction requires the following: 'Zvfbfwma' (Vector BF16 widening mul-add){{$}}
-# CHECK-UNKNOWN: 57 54 45 8e <unknown>
+# CHECK-UNKNOWN: 57 54 45 ee <unknown>
 vfwmaccbf16.vf v8, fa0, v4
 
 # Check scalar half FP load/store/move included in this extension.