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/* Copyright (C) 2008-2021 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"
/* Assumptions: NaNs have all bits 10..30 and one of bit 0..9 set.
after sub: AC = ~Borrow.
clobber: TMP0
output: gt / gte indicates greater / greater or equal. */
FSTAB (__gtesf2,T_INT)
.global SYM(__gtesf2)
.balign 4
HIDDEN_FUNC(__gtesf2)
SYM(__gtesf2):
#ifndef FLOAT_FORMAT_MOTOROLA
mov TMP0,0xffff
movt TMP0,0x7f
add TMP0,TMP0,r0
eor TMP0,TMP0,r0
blt .Lret
mov TMP0,0xffff
movt TMP0,0x7f
add TMP0,TMP0,r1
#else
add TMP0,r0,0x3ff; check for r0 NaN
eor TMP0,TMP0,r0
blt .Lret
add TMP0,r1,0x3ff; check for r1 NaN
#endif
eor TMP0,TMP0,r1
blt .Lret
and TMP0,r0,r1
blt .Lneg
orr TMP0,r0,r1
lsl TMP0,TMP0,1
beq .Lret
sub TMP0,r0,r1
.Lret:
rts
.balign 4
.Lneg:
sub TMP0,r1,r0
rts
ENDFUNC(__gtesf2)
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