test/MC/ELF/relax-arith.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 db 00 00                       imulw $0, %bx, %bx
  11 // CHECK-NEXT:   5: 66 69 1c 25 00 00 00 00 00 00        imulw $0, 0, %bx
  12 // CHECK-NEXT:   f: 69 db 00 00 00 00                    imull $0, %ebx, %ebx
  13 // CHECK-NEXT:  15: 69 1c 25 00 00 00 00 00 00 00 00     imull $0, 0, %ebx
  14 // CHECK-NEXT:  20: 48 69 db 00 00 00 00                 imulq $0, %rbx, %rbx
  15 // CHECK-NEXT:  27: 48 69 1c 25 00 00 00 00 00 00 00 00  imulq $0, 0, %rbx
  16         .section imul,"x"
  17         imul $foo, %bx,  %bx
  18         imul $foo, bar,  %bx
  19         imul $foo, %ebx, %ebx
  20         imul $foo, bar,  %ebx
  21         imul $foo, %rbx, %rbx
  22         imul $foo, bar,  %rbx
  23
  24 // CHECK:      Disassembly of section and:
  25 // CHECK-EMPTY:
  26 // CHECK-NEXT: and:
  27 // CHECK-NEXT:   0: 66 81 e3 00 00                       andw $0, %bx
  28 // CHECK-NEXT:   5: 66 81 24 25 00 00 00 00 00 00        andw $0, 0
  29 // CHECK-NEXT:   f: 81 e3 00 00 00 00                    andl $0, %ebx
  30 // CHECK-NEXT:  15: 81 24 25 00 00 00 00 00 00 00 00     andl $0, 0
  31 // CHECK-NEXT:  20: 48 81 e3 00 00 00 00                 andq $0, %rbx
  32 // CHECK-NEXT:  27: 48 81 24 25 00 00 00 00 00 00 00 00  andq $0, 0
  33         .section and,"x"
  34         and  $foo, %bx
  35         andw $foo, bar
  36         and  $foo, %ebx
  37         andl $foo, bar
  38         and  $foo, %rbx
  39         andq $foo, bar
  40
  41 // CHECK:      Disassembly of section or:
  42 // CHECK-EMPTY:
  43 // CHECK-NEXT: or:
  44 // CHECK-NEXT:   0: 66 81 cb 00 00                       orw $0, %bx
  45 // CHECK-NEXT:   5: 66 81 0c 25 00 00 00 00 00 00        orw $0, 0
  46 // CHECK-NEXT:   f: 81 cb 00 00 00 00                    orl $0, %ebx
  47 // CHECK-NEXT:  15: 81 0c 25 00 00 00 00 00 00 00 00     orl $0, 0
  48 // CHECK-NEXT:  20: 48 81 cb 00 00 00 00                 orq $0, %rbx
  49 // CHECK-NEXT:  27: 48 81 0c 25 00 00 00 00 00 00 00 00  orq $0, 0
  50         .section or,"x"
  51         or  $foo, %bx
  52         orw $foo, bar
  53         or  $foo, %ebx
  54         orl $foo, bar
  55         or  $foo, %rbx
  56         orq $foo, bar
  57
  58 // CHECK:      Disassembly of section xor:
  59 // CHECK-EMPTY:
  60 // CHECK-NEXT: xor:
  61 // CHECK-NEXT:   0: 66 81 f3 00 00                       xorw $0, %bx
  62 // CHECK-NEXT:   5: 66 81 34 25 00 00 00 00 00 00        xorw $0, 0
  63 // CHECK-NEXT:   f: 81 f3 00 00 00 00                    xorl $0, %ebx
  64 // CHECK-NEXT:  15: 81 34 25 00 00 00 00 00 00 00 00     xorl $0, 0
  65 // CHECK-NEXT:  20: 48 81 f3 00 00 00 00                 xorq $0, %rbx
  66 // CHECK-NEXT:  27: 48 81 34 25 00 00 00 00 00 00 00 00  xorq $0, 0
  67         .section xor,"x"
  68         xor  $foo, %bx
  69         xorw $foo, bar
  70         xor  $foo, %ebx
  71         xorl $foo, bar
  72         xor  $foo, %rbx
  73         xorq $foo, bar
  74
  75 // CHECK:      Disassembly of section add:
  76 // CHECK-EMPTY:
  77 // CHECK-NEXT: add:
  78 // CHECK-NEXT:   0: 66 81 c3 00 00                       addw $0, %bx
  79 // CHECK-NEXT:   5: 66 81 04 25 00 00 00 00 00 00        addw $0, 0
  80 // CHECK-NEXT:   f: 81 c3 00 00 00 00                    addl $0, %ebx
  81 // CHECK-NEXT:  15: 81 04 25 00 00 00 00 00 00 00 00     addl $0, 0
  82 // CHECK-NEXT:  20: 48 81 c3 00 00 00 00                 addq $0, %rbx
  83 // CHECK-NEXT:  27: 48 81 04 25 00 00 00 00 00 00 00 00  addq $0, 0
  84         .section add,"x"
  85         add  $foo, %bx
  86         addw $foo, bar
  87         add  $foo, %ebx
  88         addl $foo, bar
  89         add  $foo, %rbx
  90         addq $foo, bar
  91
  92 // CHECK:      Disassembly of section sub:
  93 // CHECK-EMPTY:
  94 // CHECK-NEXT: sub:
  95 // CHECK-NEXT:   0: 66 81 eb 00 00                       subw $0, %bx
  96 // CHECK-NEXT:   5: 66 81 2c 25 00 00 00 00 00 00        subw $0, 0
  97 // CHECK-NEXT:   f: 81 eb 00 00 00 00                    subl $0, %ebx
  98 // CHECK-NEXT:  15: 81 2c 25 00 00 00 00 00 00 00 00     subl $0, 0
  99 // CHECK-NEXT:  20: 48 81 eb 00 00 00 00                 subq $0, %rbx
 100 // CHECK-NEXT:  27: 48 81 2c 25 00 00 00 00 00 00 00 00  subq $0, 0
 101         .section sub,"x"
 102         sub  $foo, %bx
 103         subw $foo, bar
 104         sub  $foo, %ebx
 105         subl $foo, bar
 106         sub  $foo, %rbx
 107         subq $foo, bar
 108
 109 // CHECK:      Disassembly of section cmp:
 110 // CHECK-EMPTY:
 111 // CHECK-NEXT: cmp:
 112 // CHECK-NEXT:   0: 66 81 fb 00 00                       cmpw $0, %bx
 113 // CHECK-NEXT:   5: 66 81 3c 25 00 00 00 00 00 00        cmpw $0, 0
 114 // CHECK-NEXT:   f: 81 fb 00 00 00 00                    cmpl $0, %ebx
 115 // CHECK-NEXT:  15: 81 3c 25 00 00 00 00 00 00 00 00     cmpl $0, 0
 116 // CHECK-NEXT:  20: 48 81 fb 00 00 00 00                 cmpq $0, %rbx
 117 // CHECK-NEXT:  27: 48 81 3c 25 00 00 00 00 00 00 00 00  cmpq $0, 0
 118         .section cmp,"x"
 119         cmp  $foo, %bx
 120         cmpw $foo, bar
 121         cmp  $foo, %ebx
 122         cmpl $foo, bar
 123         cmp  $foo, %rbx
 124         cmpq $foo, bar
 125
 126 // CHECK:      Disassembly of section push:
 127 // CHECK-EMPTY:
 128 // CHECK-NEXT: push:
 129 // CHECK-NEXT:   0: 66 68 00 00                          pushw $0
 130 // CHECK-NEXT:   4: 68 00 00 00 00                       pushq $0
 131         .section push,"x"
 132         pushw $foo
 133         push  $foo
 134
 135 // CHECK:      Disassembly of section adc:
 136 // CHECK-EMPTY:
 137 // CHECK-NEXT: adc:
 138 // CHECK-NEXT:   0: 66 81 d3 00 00                       adcw $0, %bx
 139 // CHECK-NEXT:   5: 66 81 14 25 00 00 00 00 00 00        adcw $0, 0
 140 // CHECK-NEXT:   f: 81 d3 00 00 00 00                    adcl $0, %ebx
 141 // CHECK-NEXT:  15: 81 14 25 00 00 00 00 00 00 00 00     adcl $0, 0
 142 // CHECK-NEXT:  20: 48 81 d3 00 00 00 00                 adcq $0, %rbx
 143 // CHECK-NEXT:  27: 48 81 14 25 00 00 00 00 00 00 00 00  adcq $0, 0
 144         .section adc,"x"
 145         adc  $foo, %bx
 146         adcw $foo, bar
 147         adc  $foo, %ebx
 148         adcl $foo, bar
 149         adc  $foo, %rbx
 150         adcq $foo, bar
 151
 152 // CHECK:      Disassembly of section sbb:
 153 // CHECK-EMPTY:
 154 // CHECK-NEXT: sbb:
 155 // CHECK-NEXT:   0: 66 81 db 00 00                       sbbw $0, %bx
 156 // CHECK-NEXT:   5: 66 81 1c 25 00 00 00 00 00 00        sbbw $0, 0
 157 // CHECK-NEXT:   f: 81 db 00 00 00 00                    sbbl $0, %ebx
 158 // CHECK-NEXT:  15: 81 1c 25 00 00 00 00 00 00 00 00     sbbl $0, 0
 159 // CHECK-NEXT:  20: 48 81 db 00 00 00 00                 sbbq $0, %rbx
 160 // CHECK-NEXT:  27: 48 81 1c 25 00 00 00 00 00 00 00 00  sbbq $0, 0
 161         .section sbb,"x"
 162         sbb  $foo, %bx
 163         sbbw $foo, bar
 164         sbb  $foo, %ebx
 165         sbbl $foo, bar
 166         sbb  $foo, %rbx
 167         sbbq $foo, bar