2015-08-28 15:33:40 +00:00
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/* Copyright (C) 2008-2015 Free Software Foundation, Inc.
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2014-09-21 17:33:12 +00:00
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Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
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on behalf of Synopsys Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "arc-ieee-754.h"
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/* inputs: DBL0, DBL1
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output: z flag
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clobber: r12, flags
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For NaNs, bit 19.. bit 30 of the high word must be set. */
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#if 0 /* DEBUG */
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.global __uneqdf2
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.balign 4
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FUNC(__uneqdf2)
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__uneqdf2:
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st.a r11,[sp,-4]` push_s blink` st.a r10,[sp,-4]` st.a r9,[sp,-4]
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st.a r8,[sp,-4]` st.a r7,[sp,-4]` st.a r6,[sp,-4]` st.a r5,[sp,-4]
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st.a r4,[sp,-4]` push_s r3` push_s r2` push_s r1`
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bl.d __eqdf2_c` push_s r0
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push_s r0` ld_s r0, [sp,4]` ld_s r1, [sp,8]` ld_s r2,[sp,12]
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bl.d __unorddf2_c` ld_s r3,[sp,16]
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ld.ab r11,[sp,4]` tst r0,r0` mov.ne r11,0
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pop_s r0` pop_s r1` pop_s r2` pop_s r3
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ld.ab r4,[sp,4]` ld.ab r5,[sp,4]` ld.ab r6,[sp,4]`
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ld.ab r7,[sp,4]` ld.ab r8,[sp,4]` ld.ab r9,[sp,4]
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bl.d __uneqdf2_asm` ld.ab r10,[sp,4]
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pop_s blink
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breq.d r11,0,0f
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ld.ab r11,[sp,4]
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jne_s [blink]
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bl abort
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0: jeq_s [blink]
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bl abort
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ENDFUNC(__uneqdf2)
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#define __uneqdf2 __uneqdf2_asm
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#endif /* DEBUG */
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.global __uneqdf2
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.balign 4
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HIDDEN_FUNC(__uneqdf2)
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__uneqdf2:
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cmp_s DBL0H,DBL1H
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cmp.eq DBL0L,DBL1L
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jeq_s [blink]
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or r12,DBL0H,DBL1H
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or.f 0,DBL0L,DBL1L
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bclr.eq.f r12,r12,31
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jeq_s [blink]
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mov_s r12, \
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0x7ff80000
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bic.f 0,r12,DBL0H
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j_s.d [blink]
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bic.ne.f r12,r12,DBL1H
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ENDFUNC(__uneqdf2)
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