fixup! Fix the feature description of XSfvfexp

Author: mshockwave

llvm/lib/Target/RISCV/RISCVFeatures.td

@@ -1356,7 +1356,7 @@ def HasVendorXSfvfexp32e : Predicate<"Subtarget->hasVendorXSfvfexp32e()">;
 def HasVendorXSfvfexpAnyFloat : Predicate<"Subtarget->hasVendorXSfvfexp16e() || Subtarget->hasVendorXSfvfexp32e()">;
 def HasVendorXSfvfexpAny : Predicate<"Subtarget->hasVendorXSfvfbfexp16e() || Subtarget->hasVendorXSfvfexp16e() || Subtarget->hasVendorXSfvfexp32e()">,
                            AssemblerPredicate<(any_of FeatureVendorXSfvfbfexp16e, FeatureVendorXSfvfexp16e, FeatureVendorXSfvfexp32e),
-                           "'Xsfvfbfexp16e/Xsfvfexp16e/Xsfvfexp32e' (SiFive Vector Floating-Point Exponential Function Instruction)">;
+                           "'Xsfvfbfexp16e', 'Xsfvfexp16e', or 'Xsfvfexp32e' (SiFive Vector Floating-Point Exponential Function Instruction)">;
 
 def FeatureVendorXSfvfexpa
     : RISCVExtension<0, 2,

llvm/test/MC/RISCV/xsfvfexp.s

@@ -25,5 +25,5 @@
 sf.vfexp.v v2, v5, v0.t
 # CHECK-INST: sf.vfexp.v v2, v5, v0.t
 # CHECK-ENCODING: [0x57,0x91,0x53,0x4c]
-# CHECK-ERROR: instruction requires the following: 'Xsfvfbfexp16e/Xsfvfexp16e/Xsfvfexp32e' (SiFive Vector Floating-Point Exponential Function Instruction){{$}}
+# CHECK-ERROR: instruction requires the following: 'Xsfvfbfexp16e', 'Xsfvfexp16e', or 'Xsfvfexp32e' (SiFive Vector Floating-Point Exponential Function Instruction){{$}}
 # CHECK-UNKNOWN: 4c539157 <unknown>