2018-12-28 15:30:48 +00:00
|
|
|
/* Copyright (C) 2006-2018 Free Software Foundation, Inc.
|
2014-09-21 17:33:12 +00:00
|
|
|
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 __extendsfdf2
|
|
|
|
|
.balign 4
|
|
|
|
|
FUNC(__extendsfdf2)
|
|
|
|
|
__extendsfdf2:
|
|
|
|
|
push_s blink
|
|
|
|
|
bl.d __extendsfdf2_c
|
|
|
|
|
push_s r0
|
|
|
|
|
ld_s r2,[sp]
|
|
|
|
|
st_s r1,[sp]
|
|
|
|
|
push_s r0
|
|
|
|
|
bl.d __extendsfdf2_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(__extendsfdf2)
|
|
|
|
|
#define __extendsfdf2 __extendsfdf2_asm
|
|
|
|
|
#endif /* DEBUG */
|
|
|
|
|
#if 0 /* ARC600 */
|
|
|
|
|
__extendsfdf2:
|
|
|
|
|
lsr r2,r0,23
|
|
|
|
|
tst r2,0xff
|
|
|
|
|
bic.ne.f r2,0xff
|
|
|
|
|
beq_s .Linf_nan_denorm_0
|
|
|
|
|
..
|
|
|
|
|
.Linf_nan_denorm:
|
|
|
|
|
bbit1 r0,30,.Linf_nan
|
|
|
|
|
#endif
|
|
|
|
|
.global __extendsfdf2
|
|
|
|
|
.balign 4
|
|
|
|
|
FUNC(__extendsfdf2)
|
|
|
|
|
__extendsfdf2:
|
|
|
|
|
add.f r1,r0,r0
|
|
|
|
|
norm r3,r1
|
|
|
|
|
#ifdef __LITTLE_ENDIAN__
|
|
|
|
|
lsr_s DBL0H,r1,4
|
|
|
|
|
brhs r3,7,.Linf_nan_denorm_0
|
|
|
|
|
asl_s DBL0L,r0,29
|
|
|
|
|
add_s DBL0H,DBL0H, \
|
|
|
|
|
0x38000000
|
|
|
|
|
#else
|
|
|
|
|
lsr r2,r1,4
|
|
|
|
|
brhs r3,7,.Linf_nan_denorm_0
|
|
|
|
|
asl_s DBL0L,r1,28
|
|
|
|
|
add DBL0H,r2, \
|
|
|
|
|
0x38000000
|
|
|
|
|
#endif
|
|
|
|
|
j_s.d [blink]
|
|
|
|
|
bxor.cs DBL0H,DBL0H,31
|
|
|
|
|
.balign 4
|
|
|
|
|
.Linf_nan_denorm_0:
|
|
|
|
|
#ifdef __LITTLE_ENDIAN__
|
|
|
|
|
mov_s DBL0H,r0
|
|
|
|
|
jeq.d [blink]
|
|
|
|
|
mov.eq DBL0L,0
|
|
|
|
|
#else
|
|
|
|
|
jeq_s [blink]
|
|
|
|
|
#endif
|
|
|
|
|
bmi .Linf_nan
|
|
|
|
|
asl_s r0,r0,r3
|
|
|
|
|
rsub r3,r3,0x380+6
|
|
|
|
|
#ifdef __LITTLE_ENDIAN__
|
|
|
|
|
asl_s r3,r3,20
|
|
|
|
|
lsr DBL0H,r0,9
|
|
|
|
|
asl_s DBL0L,r0,23
|
|
|
|
|
add_s DBL0H,DBL0H,r3
|
|
|
|
|
j_s.d [blink]
|
|
|
|
|
bxor.cs DBL0H,DBL0H,31
|
|
|
|
|
#else
|
|
|
|
|
asl DBL0L,r0,23
|
|
|
|
|
lsr_s DBL0H,r0,9
|
|
|
|
|
asl_s r3,r3,20
|
|
|
|
|
bxor.cs DBL0H,DBL0H,31
|
|
|
|
|
j_s.d [blink]
|
|
|
|
|
add_l DBL0H,DBL0H,r3
|
|
|
|
|
#endif
|
|
|
|
|
.Linf_nan:
|
|
|
|
|
#ifdef __LITTLE_ENDIAN__
|
|
|
|
|
lsr DBL0H,r0,3
|
|
|
|
|
|
|
|
|
|
or_s DBL0H,DBL0H,r0
|
|
|
|
|
j_s.d [blink]
|
|
|
|
|
mov_l DBL0L,0
|
|
|
|
|
#else
|
|
|
|
|
lsr r3,r0,3
|
|
|
|
|
mov_s DBL0L,0
|
|
|
|
|
j_s.d [blink]
|
|
|
|
|
or_l DBL0H,r0,r3
|
|
|
|
|
#endif
|
|
|
|
|
ENDFUNC(__extendsfdf2)
|
