gas/testsuite/gas/i386/bundle.s

   1         .bundle_align_mode 5
   2
   3 # We use these macros to test each pattern at every offset from
   4 # bundle alignment, i.e. [0,31].
   5
   6 .macro offset_insn insn_name, offset
   7         .p2align 5
   8 \insn_name\()_offset_\offset\():
   9         .if \offset
  10         .space \offset, 0xf4
  11         .endif
  12         \insn_name
  13 .endm
  14
  15 .macro test_offsets insn_name
  16         offset_insn \insn_name, 0
  17         offset_insn \insn_name, 1
  18         offset_insn \insn_name, 2
  19         offset_insn \insn_name, 3
  20         offset_insn \insn_name, 4
  21         offset_insn \insn_name, 5
  22         offset_insn \insn_name, 6
  23         offset_insn \insn_name, 7
  24         offset_insn \insn_name, 8
  25         offset_insn \insn_name, 9
  26         offset_insn \insn_name, 10
  27         offset_insn \insn_name, 11
  28         offset_insn \insn_name, 12
  29         offset_insn \insn_name, 13
  30         offset_insn \insn_name, 14
  31         offset_insn \insn_name, 15
  32         offset_insn \insn_name, 16
  33         offset_insn \insn_name, 17
  34         offset_insn \insn_name, 18
  35         offset_insn \insn_name, 19
  36         offset_insn \insn_name, 20
  37         offset_insn \insn_name, 21
  38         offset_insn \insn_name, 22
  39         offset_insn \insn_name, 23
  40         offset_insn \insn_name, 24
  41         offset_insn \insn_name, 25
  42         offset_insn \insn_name, 26
  43         offset_insn \insn_name, 27
  44         offset_insn \insn_name, 28
  45         offset_insn \insn_name, 29
  46         offset_insn \insn_name, 30
  47         offset_insn \insn_name, 31
  48 .endm
  49
  50 # These are vanilla (non-relaxed) instructions of each length.
  51 .macro test_1
  52         inc %eax
  53 .endm
  54 .macro test_2
  55         add %eax,%eax
  56 .endm
  57 .macro test_3
  58         and $3,%eax
  59 .endm
  60 .macro test_4
  61         lock and $3,(%eax)
  62 .endm
  63 .macro test_5
  64         mov $0xaabbccdd,%eax
  65 .endm
  66 .macro test_6
  67         movl %eax,0xaabbccdd(%esi)
  68 .endm
  69 .macro test_7
  70         movl $0xaabbccdd,0x7f(%esi)
  71 .endm
  72 .macro test_8
  73         lock addl $0xaabbccdd,0x10(%esi)
  74 .endm
  75 .macro test_9
  76         lock addl $0xaabbccdd,%fs:0x10(%esi)
  77 .endm
  78 .macro test_10
  79         movl $0xaabbccdd,0x7ff(%esi)
  80 .endm
  81 .macro test_11
  82         lock addl $0xaabbccdd,0x7ff(%esi)
  83 .endm
  84 .macro test_12
  85         lock addl $0xaabbccdd,%fs:0x7ff(%esi)
  86 .endm
  87
  88 test_offsets test_1
  89 test_offsets test_2
  90 test_offsets test_3
  91 test_offsets test_4
  92 test_offsets test_5
  93 test_offsets test_6
  94 test_offsets test_7
  95 test_offsets test_8
  96 test_offsets test_9
  97 test_offsets test_10
  98 test_offsets test_11
  99 test_offsets test_12
 100
 101 # The only relaxation cases are the jump instructions.
 102 # For each of the three flavors of jump (unconditional, conditional,
 103 # and conditional with prediction), we test a case that can be relaxed
 104 # to its shortest form, and one that must use the long form.
 105 .macro jmp_2
 106         jmp jmp_2_\@
 107         movl $0xdeadbeef,%eax
 108 jmp_2_\@\():
 109         movl $0xb00b,%eax
 110 .endm
 111 .macro jmp_5
 112         jmp jmp_5_\@
 113         .rept 128
 114         inc %eax
 115         .endr
 116 jmp_5_\@\():
 117         movl $0xb00b,%eax
 118 .endm
 119
 120 .macro cjmp_2
 121         jz cjmp_2_\@
 122         movl $0xdeadbeef,%eax
 123 cjmp_2_\@\():
 124         movl $0xb00b,%eax
 125 .endm
 126 .macro cjmp_6
 127         jz cjmp_6_\@
 128         .rept 128
 129         inc %eax
 130         .endr
 131 cjmp_6_\@\():
 132         movl $0xb00b,%eax
 133 .endm
 134
 135 .macro pjmp_3
 136         jz,pt pjmp_3_\@
 137         movl $0xdeadbeef,%eax
 138 pjmp_3_\@\():
 139         movl $0xb00b,%eax
 140 .endm
 141 .macro pjmp_7
 142         jz,pt pjmp_7_\@
 143         .rept 128
 144         inc %eax
 145         .endr
 146 pjmp_7_\@\():
 147         movl $0xb00b,%eax
 148 .endm
 149
 150 test_offsets jmp_2
 151 test_offsets cjmp_2
 152 test_offsets pjmp_3
 153 test_offsets jmp_5
 154 test_offsets cjmp_6
 155 test_offsets pjmp_7
 156
 157 .p2align 5
 158         hlt