gas/testsuite/gas/i386/x86-64-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         clc
  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,(%rax)
  62 .endm
  63 .macro test_5
  64         mov $0x11223344,%eax
  65 .endm
  66 .macro test_6
  67         movl %eax,0x11223344(%rsi)
  68 .endm
  69 .macro test_7
  70         movl $0x11223344,0x7f(%rsi)
  71 .endm
  72 .macro test_8
  73         lock addl $0x11223344,0x10(%rsi)
  74 .endm
  75 .macro test_9
  76         lock addl $0x11223344,%fs:0x10(%rsi)
  77 .endm
  78 .macro test_10
  79         movl $0x11223344,0x7ff(%rsi)
  80 .endm
  81 .macro test_11
  82         lock addl $0x11223344,0x7ff(%rsi)
  83 .endm
  84 .macro test_12
  85         lock addl $0x11223344,%fs:0x7ff(%rsi)
  86 .endm
  87 .macro test_13
  88         lock addl $0x11223344,%fs:0x7ff(%r11)
  89 .endm
  90
  91 test_offsets test_1
  92 test_offsets test_2
  93 test_offsets test_3
  94 test_offsets test_4
  95 test_offsets test_5
  96 test_offsets test_6
  97 test_offsets test_7
  98 test_offsets test_8
  99 test_offsets test_9
 100 test_offsets test_10
 101 test_offsets test_11
 102 test_offsets test_12
 103 test_offsets test_13
 104
 105 # The only relaxation cases are the jump instructions.
 106 # For each of the three flavors of jump (unconditional, conditional,
 107 # and conditional with prediction), we test a case that can be relaxed
 108 # to its shortest form, and one that must use the long form.
 109 .macro jmp_2
 110         jmp jmp_2_\@
 111         movl $0xdeadbeef,%eax
 112 jmp_2_\@\():
 113         movl $0xb00b,%eax
 114 .endm
 115 .macro jmp_5
 116         jmp jmp_5_\@
 117         .rept 128
 118         clc
 119         .endr
 120 jmp_5_\@\():
 121         movl $0xb00b,%eax
 122 .endm
 123
 124 .macro cjmp_2
 125         jz cjmp_2_\@
 126         movl $0xdeadbeef,%eax
 127 cjmp_2_\@\():
 128         movl $0xb00b,%eax
 129 .endm
 130 .macro cjmp_6
 131         jz cjmp_6_\@
 132         .rept 128
 133         clc
 134         .endr
 135 cjmp_6_\@\():
 136         movl $0xb00b,%eax
 137 .endm
 138
 139 .macro pjmp_3
 140         jz,pt pjmp_3_\@
 141         movl $0xdeadbeef,%eax
 142 pjmp_3_\@\():
 143         movl $0xb00b,%eax
 144 .endm
 145 .macro pjmp_7
 146         jz,pt pjmp_7_\@
 147         .rept 128
 148         clc
 149         .endr
 150 pjmp_7_\@\():
 151         movl $0xb00b,%eax
 152 .endm
 153
 154 test_offsets jmp_2
 155 test_offsets cjmp_2
 156 test_offsets pjmp_3
 157 test_offsets jmp_5
 158 test_offsets cjmp_6
 159 test_offsets pjmp_7
 160
 161 .p2align 5
 162         hlt