test/MC/X86/AlignedBundling/pad-bundle-groups.s

   1 # RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
   2 # RUN:   | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
   3 # RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
   4 # RUN:   | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
   5
   6 # Test some variations of padding for bundle-locked groups.
   7
   8   .text
   9 foo:
  10   .bundle_align_mode 4
  11
  12 # Each of these callq instructions is 5 bytes long
  13   callq   bar
  14   callq   bar
  15
  16   .bundle_lock
  17   callq   bar
  18   callq   bar
  19   .bundle_unlock
  20 # We'll need a 6-byte NOP before this group
  21 # CHECK:        a:  nop
  22 # CHECK-NEXT:   10: callq
  23 # CHECK-NEXT:   15: callq
  24
  25   .bundle_lock
  26   callq   bar
  27   callq   bar
  28   .bundle_unlock
  29 # Same here
  30 # CHECK:        1a:  nop
  31 # CHECK-NEXT:   20: callq
  32 # CHECK-NEXT:   25: callq
  33
  34   .align 16, 0x90
  35   callq   bar
  36   .bundle_lock
  37   callq   bar
  38   callq   bar
  39   callq   bar
  40   .bundle_unlock
  41 # And here we'll need a 10-byte NOP + 1-byte NOP
  42 # CHECK:        30: callq
  43 # CHECK:        35: nop
  44 # CHECK:        3f: nop
  45 # CHECK-NEXT:   40: callq
  46 # CHECK-NEXT:   45: callq
  47
  48
  49