| # RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=+v8.4a --disassemble < %s | FileCheck %s | 
 | # RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=-v8.4a --disassemble < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NO-V84 | 
 |  | 
 | [0x20,0x12,0x18,0xd5] | 
 | [0x20,0x12,0x1c,0xd5] | 
 | [0x20,0x12,0x1d,0xd5] | 
 | [0x20,0x12,0x38,0xd5] | 
 | [0x20,0x12,0x3c,0xd5] | 
 | [0x20,0x12,0x3d,0xd5] | 
 | [0x5f,0x22,0x03,0xd5] | 
 |  | 
 | #CHECK:  msr TRFCR_EL1, x0 | 
 | #CHECK:  msr TRFCR_EL2, x0 | 
 | #CHECK:  msr TRFCR_EL12, x0 | 
 | #CHECK:  mrs x0, TRFCR_EL1 | 
 | #CHECK:  mrs x0, TRFCR_EL2 | 
 | #CHECK:  mrs x0, TRFCR_EL12 | 
 | #CHECK:  tsb csync | 
 |  | 
 | #CHECK-NO-V84:  msr S3_0_C1_C2_1, x0 | 
 | #CHECK-NO-V84:  msr S3_4_C1_C2_1, x0 | 
 | #CHECK-NO-V84:  msr S3_5_C1_C2_1, x0 | 
 | #CHECK-NO-V84:  mrs x0, S3_0_C1_C2_1 | 
 | #CHECK-NO-V84:  mrs x0, S3_4_C1_C2_1 | 
 | #CHECK-NO-V84:  mrs x0, S3_5_C1_C2_1 | 
 | #CHECK-NO-V84:  hint #18 |