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/* Miscellaneous BPABI functions.
Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
Contributed by CodeSourcery, LLC.
This file is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)
This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include <arch/asm.h>
#ifdef __ARMEB__
#define xxh r0
#define xxl r1
#define yyh r2
#define yyl r3
#else
#define xxh r1
#define xxl r0
#define yyh r3
#define yyl r2
#endif
#if defined __thumb2__
.macro do_it cond
it \cond
.endm
#define do_push push
#define do_pop pop
#else
.macro do_it cond
.endm
#define do_push stmfd sp!,
#define do_pop ldmfd sp!,
#endif
ENTRY(__aeabi_lcmp)
cmp xxh, yyh
do_it lt
movlt r0, #-1
do_it gt
movgt r0, #1
do_it ne
movne pc, lr
subs r0, xxl, yyl
do_it lo
movlo r0, #-1
do_it hi
movhi r0, #1
mov pc, lr
ENDPROC(__aeabi_lcmp)
ENTRY(__aeabi_ulcmp)
cmp xxh, yyh
do_it lo
movlo r0, #-1
do_it hi
movhi r0, #1
do_it ne
movne pc, lr
cmp xxl, yyl
do_it lo
movlo r0, #-1
do_it hi
movhi r0, #1
do_it eq
moveq r0, #0
mov pc, lr
ENDPROC(__aeabi_ulcmp)
ENTRY(__aeabi_ldivmod)
sub sp, sp, #8
#if defined(__thumb2__)
mov ip, sp
push {ip, lr}
#else
do_push {sp, lr}
#endif
bl __gnu_ldivmod_helper
ldr lr, [sp, #4]
add sp, sp, #8
do_pop {r2, r3}
mov pc, lr
ENDPROC(__aeabi_ldivmod)
ENTRY(__aeabi_uldivmod)
sub sp, sp, #8
#if defined(__thumb2__)
mov ip, sp
push {ip, lr}
#else
do_push {sp, lr}
#endif
bl __gnu_uldivmod_helper
ldr lr, [sp, #4]
add sp, sp, #8
do_pop {r2, r3}
mov pc, lr
ENDPROC(__aeabi_uldivmod)
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