mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-02 18:53:22 +00:00
72 lines
1.7 KiB
ArmAsm
72 lines
1.7 KiB
ArmAsm
/* Copyright (C) 2008-2014 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 */
|
|
.global __fixsfsi
|
|
FUNC(__fixsfsi)
|
|
.balign 4
|
|
__fixsfsi:
|
|
push_s blink
|
|
bl.d __fixsfsi_c
|
|
push_s r0
|
|
ld_s r1,[sp]
|
|
st_s r0,[sp]
|
|
bl.d __fixsfsi_asm
|
|
mov_s r0,r1
|
|
pop_s r1
|
|
pop_s blink
|
|
cmp r0,r1
|
|
jeq_s [blink]
|
|
bl abort
|
|
ENDFUNC(__fixsfsi)
|
|
#define __fixsfsi __fixsfsi_asm
|
|
#endif /* DEBUG */
|
|
|
|
.global __fixsfsi
|
|
FUNC(__fixsfsi)
|
|
.balign 4
|
|
__fixsfsi:
|
|
bbit0 r0,30,.Lret0or1
|
|
lsr r2,r0,23
|
|
bmsk_s r0,r0,22
|
|
bset_s r0,r0,23
|
|
sub_s r2,r2,22;0x7f+23-0x80
|
|
asl.f 0,r2,24
|
|
neg r3,r2
|
|
asl.mi r0,r0,r2
|
|
lsr.pl r0,r0,r3
|
|
j_s.d [blink]
|
|
neg.cs r0,r0
|
|
.Lret0or1:
|
|
add.f r0,r0,0x800000
|
|
lsr_s r0,r0,30
|
|
|
|
bmsk_s r0,r0,0
|
|
j_s.d [blink]
|
|
neg.mi r0,r0
|
|
ENDFUNC(__fixsfsi)
|