81 lines
1.9 KiB
ArmAsm
81 lines
1.9 KiB
ArmAsm
|
/* Copyright (C) 2008-2021 Free Software Foundation, Inc.
|
||
|
|
Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
|
||
|
|
on behalf of Synopsys 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 "arc-ieee-754.h"
|
||
|
|
|
||
|
|
#if 0 /* DEBUG */
|
||
|
|
FUNC(__fixunsdfsi)
|
||
|
|
.global __fixunsdfsi
|
||
|
|
.balign 4
|
||
|
|
__fixunsdfsi:
|
||
|
|
push_s blink
|
||
|
|
push_s r0
|
||
|
|
bl.d __fixunsdfsi_c
|
||
|
|
push_s r1
|
||
|
|
mov_s r2,r0
|
||
|
|
pop_s r1
|
||
|
|
ld r0,[sp]
|
||
|
|
bl.d __fixunsdfsi_asm
|
||
|
|
st r2,[sp]
|
||
|
|
pop_s r1
|
||
|
|
pop_s blink
|
||
|
|
cmp r0,r1
|
||
|
|
jeq_s [blink]
|
||
|
|
bl abort
|
||
|
|
ENDFUNC(__fixunsdfsi)
|
||
|
|
#define __fixunsdfsi __fixunsdfsi_asm
|
||
|
|
#endif /* DEBUG */
|
||
|
|
|
||
|
|
.global __fixunsdfsi
|
||
|
|
FUNC(__fixunsdfsi)
|
||
|
|
.balign 4
|
||
|
|
__fixunsdfsi:
|
||
|
|
bbit0 DBL0H,30,.Lret0or1
|
||
|
|
lsr r2,DBL0H,20
|
||
|
|
bmsk_s DBL0H,DBL0H,19
|
||
|
|
sub_s r2,r2,19; 0x3ff+20-0x400
|
||
|
|
neg_s r3,r2
|
||
|
|
btst_s r3,10
|
||
|
|
bset_s DBL0H,DBL0H,20
|
||
|
|
#ifdef __LITTLE_ENDIAN__
|
||
|
|
mov.ne DBL0L,DBL0H
|
||
|
|
asl DBL0H,DBL0H,r2
|
||
|
|
#else
|
||
|
|
asl.eq DBL0H,DBL0H,r2
|
||
|
|
lsr.ne DBL0H,DBL0H,r3
|
||
|
|
#endif
|
||
|
|
lsr DBL0L,DBL0L,r3
|
||
|
|
j_s.d [blink]
|
||
|
|
add.eq r0,r0,r1
|
||
|
|
.Lret0:
|
||
|
|
j_s.d [blink]
|
||
|
|
mov_l r0,0
|
||
|
|
.Lret0or1:
|
||
|
|
add_s DBL0H,DBL0H,0x100000
|
||
|
|
lsr_s DBL0H,DBL0H,30
|
||
|
|
j_s.d [blink]
|
||
|
|
bmsk_l r0,DBL0H,0
|
||
|
|
ENDFUNC(__fixunsdfsi)
|