llvm/test/MC/X86/ret.s

   1 // RUN: not llvm-mc -triple x86_64-unknown-unknown --show-encoding %s 2> %t.err | FileCheck --check-prefix=X86-64 %s
   2 // RUN: FileCheck --check-prefix=ERR64 < %t.err %s
   3 // RUN: not llvm-mc -triple i386-unknown-unknown --show-encoding %s 2> %t.err | FileCheck --check-prefix=X86-32 %s
   4 // RUN: FileCheck --check-prefix=ERR32 < %t.err %s
   5 // RUN: not llvm-mc -triple i386-unknown-unknown-code16 --show-encoding %s 2> %t.err | FileCheck --check-prefix=X86-16 %s
   6 // RUN: FileCheck --check-prefix=ERR16 < %t.err %s
   7
   8         ret
   9 // X86-64: retq
  10 // X86-64: encoding: [0xc3]
  11 // X86-32: retl
  12 // X86-32: encoding: [0xc3]
  13 // X86-16: retw
  14 // X86-16: encoding: [0xc3]
  15         retw
  16 // X86-64: retw
  17 // X86-64: encoding: [0x66,0xc3]
  18 // X86-32: retw
  19 // X86-32: encoding: [0x66,0xc3]
  20 // X86-16: retw
  21 // X86-16: encoding: [0xc3]
  22         retl
  23 // ERR64: error: instruction requires: Not 64-bit mode
  24 // X86-32: retl
  25 // X86-32: encoding: [0xc3]
  26 // X86-16: retl
  27 // X86-16: encoding: [0x66,0xc3]
  28         retq
  29 // X86-64: retq
  30 // X86-64: encoding: [0xc3]
  31 // ERR32: error: instruction requires: 64-bit mode
  32 // ERR16: error: instruction requires: 64-bit mode
  33
  34         ret $0
  35 // X86-64: retq $0
  36 // X86-64: encoding: [0xc2,0x00,0x00]
  37 // X86-32: retl $0
  38 // X86-32: encoding: [0xc2,0x00,0x00]
  39 // X86-16: retw $0
  40 // X86-16: encoding: [0xc2,0x00,0x00]
  41         retw $0
  42 // X86-64: retw $0
  43 // X86-64: encoding: [0x66,0xc2,0x00,0x00]
  44 // X86-32: retw $0
  45 // X86-32: encoding: [0x66,0xc2,0x00,0x00]
  46 // X86-16: retw $0
  47 // X86-16: encoding: [0xc2,0x00,0x00]
  48         retl $0
  49 // ERR64: error: instruction requires: Not 64-bit mode
  50 // X86-32: retl $0
  51 // X86-32: encoding: [0xc2,0x00,0x00]
  52 // X86-16: retl $0
  53 // X86-16: encoding: [0x66,0xc2,0x00,0x00]
  54         retq $0
  55 // X86-64: retq $0
  56 // X86-64: encoding: [0xc2,0x00,0x00]
  57 // ERR32: error: instruction requires: 64-bit mode
  58 // ERR16: error: instruction requires: 64-bit mode
  59
  60         retn
  61 // X86-64: retq
  62 // X86-64: encoding: [0xc3]
  63 // X86-32: retl
  64 // X86-32: encoding: [0xc3]
  65 // X86-16: retw
  66 // X86-16: encoding: [0xc3]
  67
  68   retn $0
  69 // X86-64: retq $0
  70 // X86-64: encoding: [0xc2,0x00,0x00]
  71 // X86-32: retl $0
  72 // X86-32: encoding: [0xc2,0x00,0x00]
  73 // X86-16: retw $0
  74 // X86-16: encoding: [0xc2,0x00,0x00]
  75
  76         lret
  77 // X86-64: lretl
  78 // X86-64: encoding: [0xcb]
  79 // X86-32: lretl
  80 // X86-32: encoding: [0xcb]
  81 // X86-16: lretw
  82 // X86-16: encoding: [0xcb]
  83         lretw
  84 // X86-64: lretw
  85 // X86-64: encoding: [0x66,0xcb]
  86 // X86-32: lretw
  87 // X86-32: encoding: [0x66,0xcb]
  88 // X86-16: lretw
  89 // X86-16: encoding: [0xcb]
  90         lretl
  91 // X86-64: lretl
  92 // X86-64: encoding: [0xcb]
  93 // X86-32: lretl
  94 // X86-32: encoding: [0xcb]
  95 // X86-16: lretl
  96 // X86-16: encoding: [0x66,0xcb]
  97         lretq
  98 // X86-64: lretq
  99 // X86-64: encoding: [0x48,0xcb]
 100 // ERR32: error: instruction requires: 64-bit mode
 101 // ERR16: error: instruction requires: 64-bit mode
 102
 103         lret $0
 104 // X86-64: lretl $0
 105 // X86-64: encoding: [0xca,0x00,0x00]
 106 // X86-32: lretl $0
 107 // X86-32: encoding: [0xca,0x00,0x00]
 108 // X86-16: lretw $0
 109 // X86-16: encoding: [0xca,0x00,0x00]
 110         lretw $0
 111 // X86-64: lretw $0
 112 // X86-64: encoding: [0x66,0xca,0x00,0x00]
 113 // X86-32: lretw $0
 114 // X86-32: encoding: [0x66,0xca,0x00,0x00]
 115 // X86-16: lretw $0
 116 // X86-16: encoding: [0xca,0x00,0x00]
 117         lretl $0
 118 // X86-64: lretl $0
 119 // X86-64: encoding: [0xca,0x00,0x00]
 120 // X86-32: lretl $0
 121 // X86-32: encoding: [0xca,0x00,0x00]
 122 // X86-16: lretl $0
 123 // X86-16: encoding: [0x66,0xca,0x00,0x00]
 124         lretq $0
 125 // X86-64: lretq $0
 126 // X86-64: encoding: [0x48,0xca,0x00,0x00]
 127 // ERR32: error: instruction requires: 64-bit mode
 128 // ERR16: error: instruction requires: 64-bit mode
 129
 130