change comments and fixed tests

Author: Lukacma

llvm/lib/Target/AArch64/AArch64InstrInfo.td

@@ -10378,9 +10378,9 @@ defm : PromoteBinaryv8f16Tov4f32<any_fdiv, FDIVv4f32>;
 defm : PromoteBinaryv8f16Tov4f32<any_fmul, FMULv4f32>;
 defm : PromoteBinaryv8f16Tov4f32<any_fsub, FSUBv4f32>;
 
-//===----------------------------===//
-// 2024 Architecture Extensions:
-//===----------------------------===//
+//===-----------------------------------------------------===//
+// Atomic floating-point in-memory instructions (FEAT_LSFE)
+//===-----------------------------------------------------===//
 
 let Predicates = [HasLSFE] in {
   // Floating-point Atomic Load

llvm/test/MC/AArch64/LSFE/directive-arch_extension-negative.s

@@ -3,4 +3,5 @@
 .arch_extension lsfe
 .arch_extension nolsfe
 ldfadd h0, h1, [x2]
-// CHECK: ldfadd h0, h1, [x2]
+// CHECK: error: instruction requires: lsfe
+// CHECK-NEXT: ldfadd h0, h1, [x2]

llvm/test/MC/AArch64/LSFE/ldfmax-diagnostics.s

@@ -111,7 +111,7 @@ ldfmaxl s0, s1, [x2, #4]
 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
 
 //------------------------------------------------------------------------------
-// ldbfmax
+// LDBFMAX
 //------------------------------------------------------------------------------
 
 ldbfmax s0, h1, [x2]

llvm/test/MC/AArch64/LSFE/ldfminnm-diagnostics.s

@@ -111,7 +111,7 @@ ldfminnml s0, s1, [x2, #4]
 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
 
 //------------------------------------------------------------------------------
-// ldbfminnm
+// LDBFMINNM
 //------------------------------------------------------------------------------
 
 ldbfminnm s0, h1, [x2]