test/MC/ARM/basic-thumb2-instructions-v8.s

   1 @ New ARMv8 T32 encodings
   2
   3 @ RUN: llvm-mc -triple thumbv8 -show-encoding < %s | FileCheck %s --check-prefix=CHECK-V8
   4 @ RUN: not llvm-mc -triple thumbv7 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-V7
   5
   6 @ HLT (in ARMv8 only)
   7         hlt  #0
   8         hlt  #63
   9 @ CHECK-V8: hlt  #0                       @ encoding: [0x80,0xba]
  10 @ CHECK-V8: hlt  #63                      @ encoding: [0xbf,0xba]
  11 @ CHECK-V7: error: instruction requires: armv8
  12 @ CHECK-V7: error: instruction requires: armv8
  13
  14 @ In IT block
  15         it pl
  16         hlt #24
  17
  18 @ CHECK-V8: it pl                         @ encoding: [0x58,0xbf]
  19 @ CHECK-V8: hlt #24                       @ encoding: [0x98,0xba]
  20 @ CHECK-V7: error: instruction requires: armv8
  21
  22 @ Can accept AL condition code (in ARMv8 only)
  23         hltal #24
  24 @ CHECK-V8: hlt #24                       @ encoding: [0x98,0xba]
  25 @ CHECK-V7: error: instruction requires: armv8
  26
  27 @ Can accept SP as rGPR (in ARMv8 only)
  28         sbc.w r6, r3, sp, asr #16
  29         and.w r6, r3, sp, asr #16
  30         and sp, r0, #0
  31 @ CHECK-V8: sbc.w r6, r3, sp, asr #16     @ encoding: [0x63,0xeb,0x2d,0x46]
  32 @ CHECK-V8: and.w r6, r3, sp, asr #16     @ encoding: [0x03,0xea,0x2d,0x46]
  33 @ CHECK-V8: and   sp, r0, #0              @ encoding: [0x00,0xf0,0x00,0x0d]
  34 @ CHECK-V7: error: instruction variant requires ARMv8 or later
  35 @ CHECK-V7: error: instruction variant requires ARMv8 or later
  36 @ CHECK-V7: error: invalid operand for instruction
  37
  38 @ DCPS{1,2,3} (in ARMv8 only)
  39         dcps1
  40         dcps2
  41         dcps3
  42 @ CHECK-V8: dcps1                         @ encoding: [0x8f,0xf7,0x01,0x80]
  43 @ CHECK-V8: dcps2                         @ encoding: [0x8f,0xf7,0x02,0x80]
  44 @ CHECK-V8: dcps3                         @ encoding: [0x8f,0xf7,0x03,0x80]
  45 @ CHECK-V7: error: instruction requires: armv8
  46 @ CHECK-V7: error: instruction requires: armv8
  47 @ CHECK-V7: error: instruction requires: armv8
  48
  49 @------------------------------------------------------------------------------
  50 @ DMB (ARMv8-only barriers)
  51 @------------------------------------------------------------------------------
  52         dmb ishld
  53         dmb oshld
  54         dmb nshld
  55         dmb ld
  56
  57 @ CHECK-V8: dmb ishld @ encoding: [0xbf,0xf3,0x59,0x8f]
  58 @ CHECK-V8: dmb oshld @ encoding: [0xbf,0xf3,0x51,0x8f]
  59 @ CHECK-V8: dmb nshld @ encoding: [0xbf,0xf3,0x55,0x8f]
  60 @ CHECK-V8: dmb ld @ encoding: [0xbf,0xf3,0x5d,0x8f]
  61 @ CHECK-V7: error: invalid operand for instruction
  62 @ CHECK-V7: error: invalid operand for instruction
  63 @ CHECK-V7: error: invalid operand for instruction
  64 @ CHECK-V7: error: invalid operand for instruction
  65
  66 @------------------------------------------------------------------------------
  67 @ DSB (ARMv8-only barriers)
  68 @------------------------------------------------------------------------------
  69         dsb ishld
  70         dsb oshld
  71         dsb nshld
  72         dsb ld
  73
  74 @ CHECK-V8: dsb ishld @ encoding: [0xbf,0xf3,0x49,0x8f]
  75 @ CHECK-V8: dsb oshld @ encoding: [0xbf,0xf3,0x41,0x8f]
  76 @ CHECK-V8: dsb nshld @ encoding: [0xbf,0xf3,0x45,0x8f]
  77 @ CHECK-V8: dsb ld @ encoding: [0xbf,0xf3,0x4d,0x8f]
  78 @ CHECK-V7: error: invalid operand for instruction
  79 @ CHECK-V7: error: invalid operand for instruction
  80 @ CHECK-V7: error: invalid operand for instruction
  81 @ CHECK-V7: error: invalid operand for instruction
  82
  83 @------------------------------------------------------------------------------
  84 @ SEVL (in ARMv8 only)
  85 @------------------------------------------------------------------------------
  86         sevl
  87         sevl.w
  88         it ge
  89         sevlge
  90
  91 @ CHECK-V8: sevl @ encoding: [0x50,0xbf]
  92 @ CHECK-V8: sevl.w @ encoding: [0xaf,0xf3,0x05,0x80]
  93 @ CHECK-V8: it ge @ encoding: [0xa8,0xbf]
  94 @ CHECK-V8: sevlge @ encoding: [0x50,0xbf]
  95 @ CHECK-V7: error: instruction requires: armv8
  96 @ CHECK-V7: error: instruction requires: armv8
  97 @ CHECK-V7: error:
  98 @ CHECK-V7: error: instruction requires: armv8