test/MC/X86/x86_long_nop.s

   1 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-pc-linux-gnu -mcpu=pentiumpro %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP10
   2 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu %s -mcpu=pentiumpro | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP10
   3 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-apple-darwin10.0 -mcpu=pentiumpro %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP10
   4 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-apple-darwin8 -mcpu=pentiumpro %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP10
   5 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu -mcpu=slm %s | llvm-objdump -d -no-show-raw-insn - | FileCheck --check-prefix=LNOP7 %s
   6 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu -mcpu=silvermont %s | llvm-objdump -d -no-show-raw-insn - | FileCheck --check-prefix=LNOP7 %s
   7 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu -mcpu=lakemont %s | llvm-objdump -d -no-show-raw-insn - | FileCheck --check-prefix=NOP1 %s
   8 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-pc-linux-gnu -mcpu=bdver1 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP11
   9 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu %s -mcpu=bdver1 | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP11
  10 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-pc-linux-gnu -mcpu=btver1 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP15
  11 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu %s -mcpu=btver1 | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP15
  12 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-pc-linux-gnu -mcpu=btver2 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP15
  13 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu %s -mcpu=btver2 | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP15
  14 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-pc-linux-gnu -mcpu=znver1 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP15
  15 # RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu %s -mcpu=znver1 | llvm-objdump -d -no-show-raw-insn - | FileCheck %s --check-prefix=LNOP15
  16
  17 # Ensure alignment directives also emit sequences of 10, 11 and 15-byte NOPs on processors
  18 # capable of using long NOPs.
  19 inc %eax
  20 .p2align 5
  21 inc %eax
  22 # LNOP15: 0:  inc
  23 # LNOP15-NEXT: 1:  nop
  24 # LNOP15-NEXT: 10: nop
  25 # LNOP15-NEXT: 1f: nop
  26 # LNOP15-NEXT: 20: inc
  27
  28 # LNOP11: 0:  inc
  29 # LNOP11-NEXT: 1:  nop
  30 # LNOP11-NEXT: c:  nop
  31 # LNOP11-NEXT: 17: nop
  32 # LNOP11-NEXT: 20: inc
  33
  34 # LNOP10: 0:  inc
  35 # LNOP10-NEXT: 1:  nop
  36 # LNOP10-NEXT: b:  nop
  37 # LNOP10-NEXT: 15: nop
  38 # LNOP10-NEXT: 1f: nop
  39 # LNOP10-NEXT: 20: inc
  40
  41 # On Silvermont we emit only 7 byte NOPs since longer NOPs are not profitable.
  42 # LNOP7: 0:  inc
  43 # LNOP7-NEXT: 1:  nop
  44 # LNOP7-NEXT: 8:  nop
  45 # LNOP7-NEXT: f:  nop
  46 # LNOP7-NEXT: 16: nop
  47 # LNOP7-NEXT: 1d: nop
  48 # LNOP7-NEXT: 20: inc
  49
  50 # On Lakemont we emit only 1 byte NOPs since longer NOPs are not supported/legal
  51 # NOP1: 0:  inc
  52 # NOP1-NEXT: 1:  nop
  53 # NOP1-NEXT: 2:  nop
  54 # NOP1-NEXT: 3:  nop
  55 # NOP1-NEXT: 4:  nop
  56 # NOP1-NEXT: 5:  nop
  57 # NOP1-NEXT: 6:  nop
  58 # .......
  59 # NOP1: 17:  nop
  60 # NOP1-NEXT: 18:  nop
  61 # NOP1-NEXT: 19:  nop
  62 # NOP1-NEXT: 1a:  nop
  63 # NOP1-NEXT: 1b:  nop
  64 # NOP1-NEXT: 1c:  nop
  65 # NOP1-NEXT: 1d:  nop
  66 # NOP1-NEXT: 1e:  nop
  67 # NOP1-NEXT: 1f:  nop
  68 # NOP1-NEXT: 20:  inc