1/* Copyright (C) 2008-2018 Free Software Foundation, Inc.
2   Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
3		on behalf of Synopsys Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15for more details.
16
17Under Section 7 of GPL version 3, you are granted additional
18permissions described in the GCC Runtime Library Exception, version
193.1, as published by the Free Software Foundation.
20
21You should have received a copy of the GNU General Public License and
22a copy of the GCC Runtime Library Exception along with this program;
23see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
24<http://www.gnu.org/licenses/>.  */
25
26#include "arc-ieee-754.h"
27/* inputs: DBL0, DBL1
28   output: z flag
29   clobber: r12, flags
30   For NaNs, bit 19.. bit 30 of the high word must be set.  */
31#if 0 /* DEBUG */
32	.global __uneqdf2
33	.balign 4
34	FUNC(__uneqdf2)
35__uneqdf2:
36	st.a r11,[sp,-4]` push_s blink` st.a r10,[sp,-4]` st.a r9,[sp,-4]
37	st.a r8,[sp,-4]` st.a r7,[sp,-4]` st.a r6,[sp,-4]` st.a r5,[sp,-4]
38	st.a r4,[sp,-4]` push_s r3` push_s r2` push_s r1`
39	bl.d __eqdf2_c` push_s r0
40	push_s r0` ld_s r0, [sp,4]` ld_s r1, [sp,8]` ld_s r2,[sp,12]
41	bl.d __unorddf2_c` ld_s r3,[sp,16]
42	ld.ab r11,[sp,4]` tst r0,r0` mov.ne r11,0
43	pop_s r0` pop_s r1` pop_s r2` pop_s r3
44	ld.ab r4,[sp,4]` ld.ab r5,[sp,4]` ld.ab r6,[sp,4]`
45	ld.ab r7,[sp,4]` ld.ab r8,[sp,4]` ld.ab r9,[sp,4]
46	bl.d __uneqdf2_asm` ld.ab r10,[sp,4]
47	pop_s blink
48	breq.d r11,0,0f
49	ld.ab r11,[sp,4]
50	jne_s [blink]
51	bl abort
520:	jeq_s [blink]
53	bl abort
54	ENDFUNC(__uneqdf2)
55#define __uneqdf2 __uneqdf2_asm
56#endif /* DEBUG */
57	.global __uneqdf2
58	.balign 4
59	HIDDEN_FUNC(__uneqdf2)
60__uneqdf2:
61	cmp_s	DBL0H,DBL1H
62	cmp.eq	DBL0L,DBL1L
63	jeq_s	[blink]
64	or	r12,DBL0H,DBL1H
65	or.f	0,DBL0L,DBL1L
66	bclr.eq.f r12,r12,31
67	jeq_s	[blink]
68	mov_s	r12, \
69		0x7ff80000
70	bic.f	0,r12,DBL0H
71	j_s.d	[blink]
72	bic.ne.f r12,r12,DBL1H
73	ENDFUNC(__uneqdf2)
74