Oliver Smith-Denny 8f74b95a21 MdePkg: Move CompilerIntrinsicsLib from ArmPkg
As per the emailed RFC in
https://edk2.groups.io/g/devel/topic/rfc_move/107675828,
this patch moves CompilerIntrinsicsLib from ArmPkg to
MdePkg as this library provides compiler intrinsics, which
are industry standard.

This aligns with the goal of integrating ArmPkg into existing
packages: https://bugzilla.tianocore.org/show_bug.cgi?id=4121.

The newly placed CompilerIntrinsicsLib is added to MdeLibs.dsc.inc
as every DSC that builds ARM/AARCH64 needs this library added. The
old location is removed from every DSC in edk2 in this commit also
to not break bisectability with minimal hoop jumping.

Continuous-integration-options: PatchCheck.ignore-multi-package

Signed-off-by: Oliver Smith-Denny <osde@linux.microsoft.com>
2024-09-12 19:36:59 +00:00

50 lines
1012 B
ArmAsm

#------s------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
#------------------------------------------------------------------------------
.text
.align 2
GCC_ASM_EXPORT(__aeabi_ulcmp)
ASM_PFX(__aeabi_ulcmp):
stmfd sp!, {r4, r5, r8}
cmp r3, r1
mov r8, r0
mov r9, r1
mov r4, r2
mov r5, r3
bls L16
L2:
mvn r0, #0
L1:
ldmfd sp!, {r4, r5, r8}
bx lr
L16:
beq L17
L4:
cmp r9, r5
bhi L7
beq L18
cmp r8, r4
L14:
cmpeq r9, r5
moveq r0, #0
beq L1
b L1
L18:
cmp r8, r4
bls L14
L7:
mov r0, #1
b L1
L17:
cmp r2, r0
bhi L2
b L4