test/MC/Mips/micromips-16-bit-instructions.s

   1 # RUN: llvm-mc %s -triple=mipsel -show-encoding -mattr=micromips | \
   2 # RUN: FileCheck -check-prefix=CHECK-EL %s
   3 # RUN: llvm-mc %s -triple=mips -show-encoding -mattr=micromips | \
   4 # RUN: FileCheck -check-prefix=CHECK-EB %s
   5 # Check that the assembler can handle the documented syntax
   6 # for arithmetic and logical instructions.
   7 #------------------------------------------------------------------------------
   8 # MicroMIPS 16-bit Instructions
   9 #------------------------------------------------------------------------------
  10 # Little endian
  11 #------------------------------------------------------------------------------
  12 # CHECK-EL: addius5 $7, -2          # encoding: [0xfc,0x4c]
  13 # CHECK-EL: mfhi    $9              # encoding: [0x09,0x46]
  14 # CHECK-EL: mflo    $9              # encoding: [0x49,0x46]
  15 # CHECK-EL: move    $25, $1         # encoding: [0x21,0x0f]
  16 # CHECK-EL: jrc     $9              # encoding: [0xa9,0x45]
  17 # CHECK-NEXT: jalr    $9            # encoding: [0xc9,0x45]
  18 # CHECK-EL: jraddiusp 20            # encoding: [0x05,0x47]
  19 # CHECK-EL: nop                     # encoding: [0x00,0x00,0x00,0x00]
  20 # CHECK-EL: jalrs16 $9              # encoding: [0xe9,0x45]
  21 # CHECK-EL: move    $zero, $zero    # encoding: [0x00,0x0c]
  22 # CHECK-EL: jr16    $9              # encoding: [0x89,0x45]
  23 # CHECK-EL: nop                     # encoding: [0x00,0x00,0x00,0x00]
  24 #------------------------------------------------------------------------------
  25 # Big endian
  26 #------------------------------------------------------------------------------
  27 # CHECK-EB: addius5 $7, -2          # encoding: [0x4c,0xfc]
  28 # CHECK-EB: mfhi    $9              # encoding: [0x46,0x09]
  29 # CHECK-EB: mflo    $9              # encoding: [0x46,0x49]
  30 # CHECK-EB: move    $25, $1         # encoding: [0x0f,0x21]
  31 # CHECK-EB: jrc     $9              # encoding: [0x45,0xa9]
  32 # CHECK-NEXT: jalr    $9            # encoding: [0x45,0xc9]
  33 # CHECK-EB: jraddiusp 20            # encoding: [0x47,0x05]
  34 # CHECK-EB: nop                     # encoding: [0x00,0x00,0x00,0x00]
  35 # CHECK-EB: jalrs16 $9              # encoding: [0x45,0xe9]
  36 # CHECK-EB: move    $zero, $zero    # encoding: [0x0c,0x00]
  37 # CHECK-EB: jr16    $9              # encoding: [0x45,0x89]
  38 # CHECK-EB: nop                     # encoding: [0x00,0x00,0x00,0x00]
  39
  40     addius5 $7, -2
  41     mfhi    $9
  42     mflo    $9
  43     move    $25, $1
  44     jrc     $9
  45     jalr    $9
  46     jraddiusp 20
  47     jalrs16 $9
  48     jr16    $9