llvm/test/MC/AArch64/CSSC/ctz_64.s

   1 // RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+v9.4a < %s \
   2 // RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
   3 // RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
   4 // RUN:        | FileCheck %s --check-prefix=CHECK-ERROR
   5 // RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+v9.4a < %s \
   6 // RUN:        | llvm-objdump -d --mattr=+v9.4a - | FileCheck %s --check-prefix=CHECK-INST
   7 // Disassemble encoding and check the re-encoding (-show-encoding) matches.
   8 // RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+v9.4a < %s \
   9 // RUN:        | sed '/.text/d' | sed 's/.*encoding: //g' \
  10 // RUN:        | llvm-mc -triple=aarch64 -mattr=+v9.4a -disassemble -show-encoding \
  11 // RUN:        | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
  12
  13 ctz     x0, x0
  14 // CHECK-INST: ctz     x0, x0
  15 // CHECK-ENCODING: [0x00,0x18,0xc0,0xda]
  16 // CHECK-ERROR: instruction requires: cssc
  17
  18 ctz     x21, x10
  19 // CHECK-INST: ctz     x21, x10
  20 // CHECK-ENCODING: [0x55,0x19,0xc0,0xda]
  21 // CHECK-ERROR: instruction requires: cssc
  22
  23 ctz     x23, x13
  24 // CHECK-INST: ctz     x23, x13
  25 // CHECK-ENCODING: [0xb7,0x19,0xc0,0xda]
  26 // CHECK-ERROR: instruction requires: cssc
  27
  28 ctz     xzr, xzr
  29 // CHECK-INST: ctz     xzr, xzr
  30 // CHECK-ENCODING: [0xff,0x1b,0xc0,0xda]
  31 // CHECK-ERROR: instruction requires: cssc