| // RUN: not llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+v8.1a < %s 2>%t | FileCheck %s | 
 | // RUN: FileCheck --check-prefix=CHECK-ERROR %s <%t | 
 |  | 
 |  | 
 | //------------------------------------------------------------------------------ | 
 | // Load acquire / store release | 
 | //------------------------------------------------------------------------------ | 
 |         ldlarb w0,[x1] | 
 |         ldlarh w0,[x1] | 
 |         ldlar  w0,[x1] | 
 |         ldlar  x0,[x1] | 
 | // CHECK:   ldlarb w0, [x1]   // encoding: [0x20,0x7c,0xdf,0x08] | 
 | // CHECK:   ldlarh w0, [x1]   // encoding: [0x20,0x7c,0xdf,0x48] | 
 | // CHECK:   ldlar  w0, [x1]   // encoding: [0x20,0x7c,0xdf,0x88] | 
 | // CHECK:   ldlar  x0, [x1]   // encoding: [0x20,0x7c,0xdf,0xc8] | 
 |         stllrb w0,[x1] | 
 |         stllrh w0,[x1] | 
 |         stllr  w0,[x1] | 
 |         stllr  x0,[x1] | 
 | // CHECK:   stllrb w0, [x1]   // encoding: [0x20,0x7c,0x9f,0x08] | 
 | // CHECK:   stllrh w0, [x1]   // encoding: [0x20,0x7c,0x9f,0x48] | 
 | // CHECK:   stllr  w0, [x1]   // encoding: [0x20,0x7c,0x9f,0x88] | 
 | // CHECK:   stllr  x0, [x1]   // encoding: [0x20,0x7c,0x9f,0xc8] | 
 |  | 
 |         msr    LORSA_EL1, x0 | 
 |         msr    LOREA_EL1, x0 | 
 |         msr    LORN_EL1, x0 | 
 |         msr    LORC_EL1, x0 | 
 |         mrs    x0, LORID_EL1 | 
 | // CHECK:   msr    LORSA_EL1, x0 // encoding: [0x00,0xa4,0x18,0xd5] | 
 | // CHECK:   msr    LOREA_EL1, x0 // encoding: [0x20,0xa4,0x18,0xd5] | 
 | // CHECK:   msr    LORN_EL1, x0  // encoding: [0x40,0xa4,0x18,0xd5] | 
 | // CHECK:   msr    LORC_EL1, x0  // encoding: [0x60,0xa4,0x18,0xd5] | 
 | // CHECK:   mrs    x0, LORID_EL1 // encoding: [0xe0,0xa4,0x38,0xd5] | 
 |  | 
 |         ldlarb w0,[w1] | 
 |         ldlarh x0,[x1] | 
 |         stllrb w0,[w1] | 
 |         stllrh x0,[x1] | 
 |         stllr  w0,[w1] | 
 |         msr    LORSA_EL1, #0 | 
 |         msr    LOREA_EL1, #0 | 
 |         msr    LORN_EL1, #0 | 
 |         msr    LORC_EL1, #0 | 
 |         msr    LORID_EL1, x0 | 
 |         mrs    LORID_EL1, #0 | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         ldlarb w0,[w1] | 
 | // CHECK-ERROR:                    ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         ldlarh x0,[x1] | 
 | // CHECK-ERROR:                ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         stllrb w0,[w1] | 
 | // CHECK-ERROR:                    ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         stllrh x0,[x1] | 
 | // CHECK-ERROR:                ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         stllr  w0,[w1] | 
 | // CHECK-ERROR:                    ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         msr     LORSA_EL1, #0 | 
 | // CHECK-ERROR:                            ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         msr     LOREA_EL1, #0 | 
 | // CHECK-ERROR:                            ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         msr     LORN_EL1, #0 | 
 | // CHECK-ERROR:                           ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         msr     LORC_EL1, #0 | 
 | // CHECK-ERROR:                           ^ | 
 | // CHECK-ERROR: error: expected writable system register or pstate | 
 | // CHECK-ERROR:         msr     LORID_EL1, x0 | 
 | // CHECK-ERROR:                 ^ | 
 | // CHECK-ERROR: error: invalid operand for instruction | 
 | // CHECK-ERROR:         mrs     LORID_EL1, #0 | 
 | // CHECK-ERROR:                 ^ |