| // RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s | 
 |  | 
 | // ------------------------------------------------------------------------- // | 
 | // Invalid immediates (must be 0.5 or 1.0) | 
 |  | 
 | fsubr z0.h, p0/m, z0.h, #0.0 | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: Invalid floating point constant, expected 0.5 or 1.0. | 
 | // CHECK-NEXT: fsubr z0.h, p0/m, z0.h, #0.0 | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | fsubr z0.h, p0/m, z0.h, #0.4999999999999999999999999 | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: Invalid floating point constant, expected 0.5 or 1.0. | 
 | // CHECK-NEXT: fsubr z0.h, p0/m, z0.h, #0.4999999999999999999999999 | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | fsubr z0.h, p0/m, z0.h, #0.5000000000000000000000001 | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: Invalid floating point constant, expected 0.5 or 1.0. | 
 | // CHECK-NEXT: fsubr z0.h, p0/m, z0.h, #0.5000000000000000000000001 | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | fsubr z0.h, p0/m, z0.h, #1.0000000000000000000000001 | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: Invalid floating point constant, expected 0.5 or 1.0. | 
 | // CHECK-NEXT: fsubr z0.h, p0/m, z0.h, #1.0000000000000000000000001 | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | fsubr z0.h, p0/m, z0.h, #0.9999999999999999999999999 | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: Invalid floating point constant, expected 0.5 or 1.0. | 
 | // CHECK-NEXT: fsubr z0.h, p0/m, z0.h, #0.9999999999999999999999999 | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 |  | 
 | // ------------------------------------------------------------------------- // | 
 | // Tied operands must match | 
 |  | 
 | fsubr    z0.h, p7/m, z1.h, z31.h | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: operand must match destination register | 
 | // CHECK-NEXT: fsubr    z0.h, p7/m, z1.h, z31.h | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 |  | 
 | // ------------------------------------------------------------------------- // | 
 | // Invalid element widths. | 
 |  | 
 | fsubr    z0.b, p7/m, z0.b, z31.b | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width | 
 | // CHECK-NEXT: fsubr    z0.b, p7/m, z0.b, z31.b | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | fsubr    z0.h, p7/m, z0.h, z31.s | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width | 
 | // CHECK-NEXT: fsubr    z0.h, p7/m, z0.h, z31.s | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 |  | 
 | // ------------------------------------------------------------------------- // | 
 | // Invalid predicate | 
 |  | 
 | fsubr    z0.h, p8/m, z0.h, z31.h | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix) | 
 | // CHECK-NEXT: fsubr    z0.h, p8/m, z0.h, z31.h | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: |