test/MC/AsmParser/X86/x86_32-new-encoder.s

   1 // RUN: llvm-mc -triple i386-unknown-unknown --show-encoding %s | FileCheck %s
   2
   3         pause
   4 // CHECK: pause
   5 // CHECK: encoding: [0xf3,0x90]
   6         sfence
   7 // CHECK: sfence
   8 // CHECK: encoding: [0x0f,0xae,0xf8]
   9         lfence
  10 // CHECK: lfence
  11 // CHECK: encoding: [0x0f,0xae,0xe8]
  12         mfence
  13 // CHECK: mfence
  14 // CHECK: encoding: [0x0f,0xae,0xf0]
  15         monitor
  16 // CHECK: monitor
  17 // CHECK: encoding: [0x0f,0x01,0xc8]
  18         mwait
  19 // CHECK: mwait
  20 // CHECK: encoding: [0x0f,0x01,0xc9]
  21
  22         vmcall
  23 // CHECK: vmcall
  24 // CHECK: encoding: [0x0f,0x01,0xc1]
  25         vmlaunch
  26 // CHECK: vmlaunch
  27 // CHECK: encoding: [0x0f,0x01,0xc2]
  28         vmresume
  29 // CHECK: vmresume
  30 // CHECK: encoding: [0x0f,0x01,0xc3]
  31         vmxoff
  32 // CHECK: vmxoff
  33 // CHECK: encoding: [0x0f,0x01,0xc4]
  34         swapgs
  35 // CHECK: swapgs
  36 // CHECK: encoding: [0x0f,0x01,0xf8]
  37
  38 rdtscp
  39 // CHECK: rdtscp
  40 // CHECK:  encoding: [0x0f,0x01,0xf9]
  41
  42
  43 // CHECK: movl  %eax, 16(%ebp)          # encoding: [0x89,0x45,0x10]
  44         movl    %eax, 16(%ebp)
  45 // CHECK: movl  %eax, -16(%ebp)          # encoding: [0x89,0x45,0xf0]
  46         movl    %eax, -16(%ebp)
  47
  48 // CHECK: testb %bl, %cl                # encoding: [0x84,0xcb]
  49         testb %bl, %cl
  50
  51 // CHECK: cmpl  %eax, %ebx              # encoding: [0x39,0xc3]
  52         cmpl %eax, %ebx
  53
  54 // CHECK: addw  %ax, %ax                # encoding: [0x66,0x01,0xc0]
  55         addw %ax, %ax
  56
  57 // CHECK: shrl  %eax                    # encoding: [0xd1,0xe8]
  58         shrl $1, %eax
  59
  60 // moffset forms of moves, rdar://7947184
  61 movb    0, %al    // CHECK: movb 0, %al  # encoding: [0xa0,A,A,A,A]
  62 movw    0, %ax    // CHECK: movw 0, %ax  # encoding: [0x66,0xa1,A,A,A,A]
  63 movl    0, %eax   // CHECK: movl 0, %eax  # encoding: [0xa1,A,A,A,A]
  64
  65 // rdar://7973775
  66 into
  67 // CHECK: into
  68 // CHECK:  encoding: [0xce]
  69 int3
  70 // CHECK: int3
  71 // CHECK:  encoding: [0xcc]
  72 int $4
  73 // CHECK: int $4
  74 // CHECK:  encoding: [0xcd,0x04]
  75 int $255
  76 // CHECK: int $255
  77 // CHECK:  encoding: [0xcd,0xff]
  78
  79 // CHECK: pushfl        # encoding: [0x9c]
  80         pushf
  81 // CHECK: pushfl        # encoding: [0x9c]
  82         pushfl
  83 // CHECK: popfl         # encoding: [0x9d]
  84         popf
  85 // CHECK: popfl         # encoding: [0x9d]
  86         popfl
  87
  88 // rdar://8014869
  89 retl
  90 // CHECK: ret
  91 // CHECK:  encoding: [0xc3]