test/MC/ELF/relax-arith3.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-objdump -d - | FileCheck  %s
   2
   3 // Test that we correctly relax these instructions into versions that use
   4 // 16 or 32 bit immediate values.
   5
   6 bar:
   7 // CHECK:      Disassembly of section imul:
   8 // CHECK-EMPTY:
   9 // CHECK-NEXT: imul:
  10 // CHECK-NEXT:   0: 66 69 1d 00 00 00 00 00 00        imulw $0, (%rip), %bx
  11 // CHECK-NEXT:   9: 69 1d 00 00 00 00 00 00 00 00     imull $0, (%rip), %ebx
  12 // CHECK-NEXT:  13: 48 69 1d 00 00 00 00 00 00 00 00  imulq $0, (%rip), %rbx
  13         .section imul,"x"
  14         imul $foo, bar(%rip),  %bx
  15         imul $foo, bar(%rip),  %ebx
  16         imul $foo, bar(%rip),  %rbx
  17
  18
  19 // CHECK:      Disassembly of section and:
  20 // CHECK-EMPTY:
  21 // CHECK-NEXT: and:
  22 // CHECK-NEXT:   0: 66 81 25 00 00 00 00 00 00        andw $0, (%rip)
  23 // CHECK-NEXT:   9: 81 25 00 00 00 00 00 00 00 00     andl $0, (%rip)
  24 // CHECK-NEXT:  13: 48 81 25 00 00 00 00 00 00 00 00  andq $0, (%rip)
  25         .section and,"x"
  26         andw $foo, bar(%rip)
  27         andl $foo, bar(%rip)
  28         andq $foo, bar(%rip)
  29
  30 // CHECK:      Disassembly of section or:
  31 // CHECK-EMPTY:
  32 // CHECK-NEXT: or:
  33 // CHECK-NEXT:   0: 66 81 0d 00 00 00 00 00 00        orw $0, (%rip)
  34 // CHECK-NEXT:   9: 81 0d 00 00 00 00 00 00 00 00     orl $0, (%rip)
  35 // CHECK-NEXT:  13: 48 81 0d 00 00 00 00 00 00 00 00  orq $0, (%rip)
  36         .section or,"x"
  37         orw $foo, bar(%rip)
  38         orl $foo, bar(%rip)
  39         orq $foo, bar(%rip)
  40
  41 // CHECK:      Disassembly of section xor:
  42 // CHECK-EMPTY:
  43 // CHECK-NEXT: xor:
  44 // CHECK-NEXT:   0: 66 81 35 00 00 00 00 00 00        xorw $0, (%rip)
  45 // CHECK-NEXT:   9: 81 35 00 00 00 00 00 00 00 00     xorl $0, (%rip)
  46 // CHECK-NEXT:  13: 48 81 35 00 00 00 00 00 00 00 00  xorq $0, (%rip)
  47         .section xor,"x"
  48         xorw $foo, bar(%rip)
  49         xorl $foo, bar(%rip)
  50         xorq $foo, bar(%rip)
  51
  52 // CHECK:      Disassembly of section add:
  53 // CHECK-EMPTY:
  54 // CHECK-NEXT: add:
  55 // CHECK-NEXT:   0: 66 81 05 00 00 00 00 00 00        addw $0, (%rip)
  56 // CHECK-NEXT:   9: 81 05 00 00 00 00 00 00 00 00     addl $0, (%rip)
  57 // CHECK-NEXT:  13: 48 81 05 00 00 00 00 00 00 00 00  addq $0, (%rip)
  58         .section add,"x"
  59         addw $foo, bar(%rip)
  60         addl $foo, bar(%rip)
  61         addq $foo, bar(%rip)
  62
  63 // CHECK:      Disassembly of section sub:
  64 // CHECK-EMPTY:
  65 // CHECK-NEXT: sub:
  66 // CHECK-NEXT:   0: 66 81 2d 00 00 00 00 00 00        subw $0, (%rip)
  67 // CHECK-NEXT:   9: 81 2d 00 00 00 00 00 00 00 00     subl $0, (%rip)
  68 // CHECK-NEXT:  13: 48 81 2d 00 00 00 00 00 00 00 00  subq $0, (%rip)
  69         .section sub,"x"
  70         subw $foo, bar(%rip)
  71         subl $foo, bar(%rip)
  72         subq $foo, bar(%rip)
  73
  74 // CHECK:      Disassembly of section cmp:
  75 // CHECK-EMPTY:
  76 // CHECK-NEXT: cmp:
  77 // CHECK-NEXT:   0: 66 81 3d 00 00 00 00 00 00        cmpw $0, (%rip)
  78 // CHECK-NEXT:   9: 81 3d 00 00 00 00 00 00 00 00     cmpl $0, (%rip)
  79 // CHECK-NEXT:  13: 48 81 3d 00 00 00 00 00 00 00 00  cmpq $0, (%rip)
  80         .section cmp,"x"
  81         cmpw $foo, bar(%rip)
  82         cmpl $foo, bar(%rip)
  83         cmpq $foo, bar(%rip)