ArmPkg/Library/CompilerIntrinsicsLib/Arm/divsi3.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2008-2009 Apple Inc. All rights reserved.
   4 #
   5 # All rights reserved. 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         .text
  16         .align 2
  17         .globl ___divsi3
  18 ___divsi3:
  19         @ args = 0, pretend = 0, frame = 0
  20         @ frame_needed = 1, uses_anonymous_args = 0
  21         eor     r3, r0, r0, asr #31
  22         eor     r2, r1, r1, asr #31
  23         stmfd   sp!, {r4, r5, r7, lr}
  24         mov     r5, r0, asr #31
  25         add     r7, sp, #8
  26         mov     r4, r1, asr #31
  27         sub     r0, r3, r0, asr #31
  28         sub     r1, r2, r1, asr #31
  29         bl      ___udivsi3
  30         eor     r1, r5, r4
  31         eor     r0, r0, r1
  32         rsb     r0, r1, r0
  33         ldmfd   sp!, {r4, r5, r7, pc}