test/MC/ARM/crc32.s

   1 @ RUN: llvm-mc -triple=armv8 -show-encoding < %s | FileCheck %s
   2 @ RUN: not llvm-mc -triple=armv7 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-V7
   3 @ RUN: not llvm-mc -triple=thumbv8 -mattr=-crc -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOCRC
   4         crc32b  r0, r1, r2
   5         crc32h  r0, r1, r2
   6         crc32w  r0, r1, r2
   7
   8 @ CHECK:  crc32b    r0, r1, r2              @ encoding: [0x42,0x00,0x01,0xe1]
   9 @ CHECK:  crc32h    r0, r1, r2              @ encoding: [0x42,0x00,0x21,0xe1]
  10 @ CHECK:  crc32w    r0, r1, r2              @ encoding: [0x42,0x00,0x41,0xe1]
  11 @ CHECK-V7: error: instruction requires: crc armv8
  12 @ CHECK-V7: error: instruction requires: crc armv8
  13 @ CHECK-V7: error: instruction requires: crc armv8
  14 @ CHECK-NOCRC: error: instruction requires: crc
  15 @ CHECK-NOCRC: error: instruction requires: crc
  16 @ CHECK-NOCRC: error: instruction requires: crc
  17
  18         crc32cb  r0, r1, r2
  19         crc32ch  r0, r1, r2
  20         crc32cw  r0, r1, r2
  21
  22 @ CHECK:  crc32cb   r0, r1, r2              @ encoding: [0x42,0x02,0x01,0xe1]
  23 @ CHECK:  crc32ch   r0, r1, r2              @ encoding: [0x42,0x02,0x21,0xe1]
  24 @ CHECK:  crc32cw   r0, r1, r2              @ encoding: [0x42,0x02,0x41,0xe1]
  25 @ CHECK-V7: error: instruction requires: crc armv8
  26 @ CHECK-V7: error: instruction requires: crc armv8
  27 @ CHECK-V7: error: instruction requires: crc armv8
  28 @ CHECK-NOCRC: error: instruction requires: crc
  29 @ CHECK-NOCRC: error: instruction requires: crc
  30 @ CHECK-NOCRC: error: instruction requires: crc