Retro68/gcc/libgcc/config/epiphany/ieee-754/uneqsf2.S
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

46 lines
1.4 KiB
ArmAsm

/* Copyright (C) 2008-2019 Free Software Foundation, Inc.
Contributed by Embecosm on behalf of Adapteva, Inc.
This file is part of GCC.
GCC 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 3, or (at your option) any later
version.
GCC 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "../epiphany-asm.h"
FSTAB (__uneqsf2,T_INT)
.global SYM(__uneqsf2)
.balign 8,,2
HIDDEN_FUNC(__uneqsf2)
SYM(__uneqsf2):
sub TMP0,r0,r1
beq .Lret
orr TMP0,r0,r1
add TMP0,TMP0,TMP0
beq .Lret
mov TMP0,1
movt TMP0,0xff00
lsl TMP1,r0,1
sub TMP1,TMP0,TMP1
blteu .Lret
lsl TMP1,r1,1
sub TMP1,TMP0,TMP1
.Lret: rts /* uneq: lteu */
ENDFUNC(__uneqsf2)