ArmPkg/Library/CompilerIntrinsicsLib/Arm/moddi3.S

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   3 # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   4 #
   5 # This program and the accompanying materials
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   7 # which accompanies this distribution.  The full text of the license may be found at
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  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.
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  13 #------------------------------------------------------------------------------
  14
  15 \s\s.text
  16 \s\s.align 2
  17 \s\sGCC_ASM_EXPORT(__moddi3)
  18
  19 ASM_PFX(__moddi3):
  20 \s\sstmfd\s\ssp!, {r4, r5, r7, lr}
  21 \s\smov\s\sr4, r1, asr #31
  22 \s\sadd\s\sr7, sp, #8
  23 \s\sstmfd\s\ssp!, {r10, r11}
  24 \s\smov\s\sr10, r3, asr #31
  25 \s\ssub\s\ssp, sp, #16
  26 \s\smov\s\sr5, r4
  27 \s\smov\s\sr11, r10
  28 \s\seor\s\sr0, r0, r4
  29 \s\seor\s\sr1, r1, r4
  30 \s\seor\s\sr2, r2, r10
  31 \s\seor\s\sr3, r3, r10
  32 \s\sadd\s\sip, sp, #8
  33 \s\ssubs\s\sr0, r0, r4
  34 \s\ssbc\s\sr1, r1, r5
  35 \s\ssubs\s\sr2, r2, r10
  36 \s\ssbc\s\sr3, r3, r11
  37 \s\sstr\s\sip, [sp, #0]
  38 \s\sbl\s\sASM_PFX(__udivmoddi4)
  39 \s\sldrd\s\sr0, [sp, #8]
  40 \s\seor\s\sr0, r0, r4
  41 \s\seor\s\sr1, r1, r4
  42 \s\ssubs\s\sr0, r0, r4
  43 \s\ssbc\s\sr1, r1, r5
  44 \s\ssub\s\ssp, r7, #16
  45 \s\sldmfd\s\ssp!, {r10, r11}
  46 \s\sldmfd\s\ssp!, {r4, r5, r7, pc}