66 lines
1.7 KiB
ArmAsm
66 lines
1.7 KiB
ArmAsm
/* Copyright (C) 2008-2022 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)
|