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;
; Copyright (c) 2016, Linaro Limited
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
; * Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; * Redistributions in binary form must reproduce the above copyright
; notice, this list of conditions and the following disclaimer in the
; documentation and/or other materials provided with the distribution.
; * Neither the name of the Linaro nor the
; names of its contributors may be used to endorse or promote products
; derived from this software without specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
; HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;
EXPORT InternalMemCompareGuid
THUMB
AREA CompareGuid, CODE, READONLY, CODEALIGN, ALIGN=5
InternalMemCompareGuid
push {r4, lr}
ldr r2, [r0]
ldr r3, [r0, #4]
ldr r4, [r0, #8]
ldr r0, [r0, #12]
cbz r1, L1
ldr ip, [r1]
ldr lr, [r1, #4]
cmp r2, ip
it eq
cmpeq r3, lr
beq L0
movs r0, #0
pop {r4, pc}
L0
ldr r2, [r1, #8]
ldr r3, [r1, #12]
cmp r4, r2
it eq
cmpeq r0, r3
bne L2
movs r0, #1
pop {r4, pc}
L1
orrs r2, r2, r3
orrs r4, r4, r0
movs r0, #1
orrs r2, r2, r4
L2
it ne
movne r0, #0
pop {r4, pc}
END
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