llvm/test/MC/Mips/micromips-branch-instructions.s

   1 # RUN: llvm-mc %s -triple=mipsel -show-encoding -mattr=micromips \
   2 # RUN: | FileCheck %s -check-prefix=CHECK-EL
   3 # RUN: llvm-mc %s -triple=mips -show-encoding -mattr=micromips \
   4 # RUN: | FileCheck %s -check-prefix=CHECK-EB
   5 # Check that the assembler can handle the documented syntax
   6 # for arithmetic and logical instructions.
   7 #------------------------------------------------------------------------------
   8 # Branch Instructions
   9 #------------------------------------------------------------------------------
  10 # Little endian
  11 #------------------------------------------------------------------------------
  12 # CHECK-EL: b   1332             # encoding: [0x00,0x94,0x9a,0x02]
  13 # CHECK-EL: nop                  # encoding: [0x00,0x0c]
  14 # CHECK-EL: beq $9, $6, 1332     # encoding: [0xc9,0x94,0x9a,0x02]
  15 # CHECK-EL-NEXT: nop                  # encoding: [0x00,0x0c]
  16 # CHECK-EL: bgez $6, 1332        # encoding: [0x46,0x40,0x9a,0x02]
  17 # CHECK-EL-NEXT: nop                  # encoding: [0x00,0x0c]
  18 # CHECK-EL: bgezal $6, 1332      # encoding: [0x66,0x40,0x9a,0x02]
  19 # CHECK-EL: nop                  # encoding: [0x00,0x00,0x00,0x00]
  20 # CHECK-EL: bltzal $6, 1332      # encoding: [0x26,0x40,0x9a,0x02]
  21 # CHECK-EL: nop                  # encoding: [0x00,0x00,0x00,0x00]
  22 # CHECK-EL: bgtz $6, 1332        # encoding: [0xc6,0x40,0x9a,0x02]
  23 # CHECK-EL-NEXT: nop                  # encoding: [0x00,0x0c]
  24 # CHECK-EL: blez $6, 1332        # encoding: [0x86,0x40,0x9a,0x02]
  25 # CHECK-EL-NEXT: nop                  # encoding: [0x00,0x0c]
  26 # CHECK-EL: bne $9, $6, 1332     # encoding: [0xc9,0xb4,0x9a,0x02]
  27 # CHECK-EL-NEXT: nop                  # encoding: [0x00,0x0c]
  28 # CHECK-EL: bal 1332             # encoding: [0x60,0x40,0x9a,0x02]
  29 # CHECK-EL: nop                  # encoding: [0x00,0x00,0x00,0x00]
  30 # CHECK-EL: bltz $6, 1332        # encoding: [0x06,0x40,0x9a,0x02]
  31 # CHECK-EL-NEXT: nop                  # encoding: [0x00,0x0c]
  32 # CHECK-EL: bgezals $6, 1332     # encoding: [0x66,0x42,0x9a,0x02]
  33 # CHECK-EL: nop                  # encoding: [0x00,0x0c]
  34 # CHECK-EL: bltzals $6, 1332     # encoding: [0x26,0x42,0x9a,0x02]
  35 # CHECK-EL: nop                  # encoding: [0x00,0x0c]
  36 #------------------------------------------------------------------------------
  37 # Big endian
  38 #------------------------------------------------------------------------------
  39 # CHECK-EB: b   1332             # encoding: [0x94,0x00,0x02,0x9a]
  40 # CHECK-EB: nop                  # encoding: [0x0c,0x00]
  41 # CHECK-EB: beq $9, $6, 1332     # encoding: [0x94,0xc9,0x02,0x9a]
  42 # CHECK-EB-NEXT: nop                  # encoding: [0x0c,0x00]
  43 # CHECK-EB: bgez $6, 1332        # encoding: [0x40,0x46,0x02,0x9a]
  44 # CHECK-EB-NEXT: nop                  # encoding: [0x0c,0x00]
  45 # CHECK-EB: bgezal $6, 1332      # encoding: [0x40,0x66,0x02,0x9a]
  46 # CHECK-EB: nop                  # encoding: [0x00,0x00,0x00,0x00]
  47 # CHECK-EB: bltzal $6, 1332      # encoding: [0x40,0x26,0x02,0x9a]
  48 # CHECK-EB: nop                  # encoding: [0x00,0x00,0x00,0x00]
  49 # CHECK-EB: bgtz $6, 1332        # encoding: [0x40,0xc6,0x02,0x9a]
  50 # CHECK-EB-NEXT: nop                  # encoding: [0x0c,0x00]
  51 # CHECK-EB: blez $6, 1332        # encoding: [0x40,0x86,0x02,0x9a]
  52 # CHECK-EB-NEXT: nop                  # encoding: [0x0c,0x00]
  53 # CHECK-EB: bne $9, $6, 1332     # encoding: [0xb4,0xc9,0x02,0x9a]
  54 # CHECK-EB-NEXT: nop                  # encoding: [0x0c,0x00]
  55 # CHECK-EB: bal 1332             # encoding: [0x40,0x60,0x02,0x9a]
  56 # CHECK-EB: nop                  # encoding: [0x00,0x00,0x00,0x00]
  57 # CHECK-EB: bltz $6, 1332        # encoding: [0x40,0x06,0x02,0x9a]
  58 # CHECK-EB-NEXT: nop                  # encoding: [0x0c,0x00]
  59 # CHECK-EB: bgezals $6, 1332     # encoding: [0x42,0x66,0x02,0x9a]
  60 # CHECK-EB: nop                  # encoding: [0x0c,0x00]
  61 # CHECK-EB: bltzals $6, 1332     # encoding: [0x42,0x26,0x02,0x9a]
  62 # CHECK-EB: nop                  # encoding: [0x0c,0x00]
  63
  64     .text
  65     .type main, @function
  66     .set micromips
  67 main:
  68      b      1332
  69      beq    $9,$6,1332
  70      bgez   $6,1332
  71      bgezal $6,1332
  72      bltzal $6,1332
  73      bgtz   $6,1332
  74      blez   $6,1332
  75      bne    $9,$6,1332
  76      bal    1332
  77      bltz   $6,1332
  78      bgezals $6,1332
  79      bltzals $6,1332