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/* Copyright (C) 2008-2022 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 __floatsidf
.balign 4
FUNC(__floatsidf)
__floatsidf:
push_s blink
bl.d __floatsidf_c
push_s r0
ld_s r2,[sp]
st_s r1,[sp]
push_s r0
bl.d __floatsidf_asm
mov_s r0,r2
pop_s r2
pop_s r3
pop_s blink
cmp r0,r2
cmp.eq r1,r3
jeq_s [blink]
bl abort
ENDFUNC(__floatsidf)
#define __floatsidf __floatsidf_asm
#endif /* DEBUG */
.global __floatsidf
.balign 4
FUNC(__floatsidf)
__floatsidf:
abs.f r1,r0
jeq_s [blink]
lsr r2,r1
mov r12,-0x41d ; -(0x3ff+31-1)
norm r2,r2
bclr.cs r12,r12,11
rsub.f r3,r2,11
add_s r12,r2,r12
add_s r2,r2,21
#ifdef __LITTLE_ENDIAN__
asl DBL0L,r1,r2
lsr_s DBL0H,r1,r3
#else
lsr DBL0H,r1,r3
asl_s DBL0L,r1,r2
#endif
asl_s r12,r12,20
mov.lo DBL0H,DBL0L
sub_s DBL0H,DBL0H,r12
j_s.d [blink]
mov.ls DBL0L,0
ENDFUNC(__floatsidf)