ArmPkg/Library/CompilerIntrinsicsLib/Arm/ucmpdi2.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
   4 #
   5 # This program and the accompanying materials
   6 # are licensed and made available under the terms and conditions of the BSD License
   7 # which accompanies this distribution.  The full text of the license may be found at
   8 # http://opensource.org/licenses/bsd-license.php
   9 #
  10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13 #------------------------------------------------------------------------------
  14
  15 #include <AsmMacroIoLib.h>
  16
  17 ASM_FUNC(__ucmpdi2)
  18   stmfd  sp!, {r4, r5, r8, lr}
  19   cmp  r1, r3
  20   mov  r8, r0
  21   mov  r4, r2
  22   mov  r5, r3
  23   bcc  L2
  24   bhi  L4
  25   cmp  r0, r2
  26   bcc  L2
  27   movls  r0, #1
  28   bls  L8
  29   b  L4
  30 L2:
  31   mov  r0, #0
  32   b  L8
  33 L4:
  34   mov  r0, #2
  35 L8:
  36   ldmfd  sp!, {r4, r5, r8, pc}