[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / Arm / divsi3.S

#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
#\r
# SPDX-License-Identifier: BSD-2-Clause-Patent\r
#\r
#------------------------------------------------------------------------------\r
\r
#include <AsmMacroIoLib.h>\r
\r
ASM_FUNC(__divsi3)\r
  eor  r3, r0, r0, asr #31\r
  eor  r2, r1, r1, asr #31\r
  stmfd  sp!, {r4, r5, r7, lr}\r
  mov  r5, r0, asr #31\r
  add  r7, sp, #8\r
  mov  r4, r1, asr #31\r
  sub  r0, r3, r0, asr #31\r
  sub  r1, r2, r1, asr #31\r
  bl  ASM_PFX(__udivsi3)\r
  eor  r1, r5, r4\r
  eor  r0, r0, r1\r
  rsb  r0, r1, r0\r
  ldmfd  sp!, {r4, r5, r7, pc}\r
Commit	Line	Data
3402aac7	1	#------------------------------------------------------------------------------\r
1e57a462	2	#\r
	3	# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
	4	#\r
4059386c	5	# SPDX-License-Identifier: BSD-2-Clause-Patent\r
1e57a462	6	#\r
	7	#------------------------------------------------------------------------------\r
	8	\r
903e3124	9	#include <AsmMacroIoLib.h>\r
3402aac7	10	\r
903e3124	11	ASM_FUNC(__divsi3)\r
1e57a462	12	eor r3, r0, r0, asr #31\r
	13	eor r2, r1, r1, asr #31\r
	14	stmfd sp!, {r4, r5, r7, lr}\r
	15	mov r5, r0, asr #31\r
	16	add r7, sp, #8\r
	17	mov r4, r1, asr #31\r
	18	sub r0, r3, r0, asr #31\r
	19	sub r1, r2, r1, asr #31\r
	20	bl ASM_PFX(__udivsi3)\r
	21	eor r1, r5, r4\r
	22	eor r0, r0, r1\r
	23	rsb r0, r1, r0\r
	24	ldmfd sp!, {r4, r5, r7, pc}\r