# RUN: llvm-mc -triple armv8 -mattr=+v8.1a  --disassemble < %s 2>&1 | FileCheck %s --check-prefix=CHECK-V81a
# RUN: not llvm-mc -triple armv8 -mattr=+v8 --disassemble < %s 2>&1 | FileCheck %s --check-prefix=CHECK-V8

[0x54,0x0b,0x12,0xf3]
[0x12,0x0b,0x21,0xf3]
[0x54,0x0c,0x12,0xf3]
[0x12,0x0c,0x21,0xf3]
# CHECK-V81a:  vqrdmlah.s16  q0, q1, q2
# CHECK-V81a:  vqrdmlah.s32  d0, d1, d2
# CHECK-V81a:  vqrdmlsh.s16  q0, q1, q2
# CHECK-V81a:  vqrdmlsh.s32  d0, d1, d2
# CHECK-V8: warning: invalid instruction encoding
# CHECK-V8: [0x54,0x0b,0x12,0xf3]
# CHECK-V8: warning: invalid instruction encoding
# CHECK-V8: [0x12,0x0b,0x21,0xf3]
# CHECK-V8: warning: invalid instruction encoding
# CHECK-V8: [0x54,0x0c,0x12,0xf3]
# CHECK-V8: warning: invalid instruction encoding
# CHECK-V8: [0x12,0x0c,0x21,0xf3]

[0x42,0x0e,0x92,0xf3]
[0x42,0x0e,0xa1,0xf2]
[0x42,0x0f,0x92,0xf3]
[0x42,0x0f,0xa1,0xf2]
# CHECK-V81a:  vqrdmlah.s16 q0, q1, d2[0]
# CHECK-V81a:  vqrdmlah.s32 d0, d1, d2[0]
# CHECK-V81a:  vqrdmlsh.s16 q0, q1, d2[0]
# CHECK-V81a:  vqrdmlsh.s32 d0, d1, d2[0]
# CHECK-V8: warning: invalid instruction encoding
# CHECK-V8: [0x42,0x0e,0x92,0xf3]
# CHECK-V8: warning: invalid instruction encoding
# CHECK-V8: [0x42,0x0e,0xa1,0xf2]
# CHECK-V8: warning: invalid instruction encoding
# CHECK-V8: [0x42,0x0f,0x92,0xf3]
# CHECK-V8: warning: invalid instruction encoding
# CHECK-V8: [0x42,0x0f,0xa1,0xf2]

# The SETPAN(v8.1a) and TST(v8) instructions occupy the same space, but SETPAN 
# uses the encoding for the invalid NV predicate operand. This test checks that 
# the disassembler is correctly disambiguating and decoding these instructions.

[0x00 0x00 0x10 0xf1]
# CHECK: setpan #0

[0x00 0x02 0x10 0xf1]
# CHECK: setpan #1

[0x00 0x00 0x10 0xe1]
# CHECK: tst r0, r0

[0x00 0x02 0x10 0xe1]
# CHECK: tst r0, r0, lsl #4