MdePkg/Library/CompilerIntrinsicsLib/Arm/moddi3.S

#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
#------------------------------------------------------------------------------

#include <AsmMacroLib.h>

ASM_FUNC(__moddi3)
  stmfd  sp!, {r4, r5, r7, lr}
  mov  r4, r1, asr #31
  add  r7, sp, #8
  stmfd  sp!, {r10, r11}
  mov  r10, r3, asr #31
  sub  sp, sp, #16
  mov  r5, r4
  mov  r11, r10
  eor  r0, r0, r4
  eor  r1, r1, r4
  eor  r2, r2, r10
  eor  r3, r3, r10
  add  ip, sp, #8
  subs  r0, r0, r4
  sbc  r1, r1, r5
  subs  r2, r2, r10
  sbc  r3, r3, r11
  str  ip, [sp, #0]
  bl  ASM_PFX(__udivmoddi4)
  ldrd  r0, [sp, #8]
  eor  r0, r0, r4
  eor  r1, r1, r4
  subs  r0, r0, r4
  sbc  r1, r1, r5
  sub  sp, r7, #16
  ldmfd  sp!, {r10, r11}
  ldmfd  sp!, {r4, r5, r7, pc}