100 lines
2.2 KiB
ArmAsm
100 lines
2.2 KiB
ArmAsm
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/* Copyright (C) 2008-2021 Free Software Foundation, Inc.
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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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#if 0 /* DEBUG */
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.global __floatsisf
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FUNC(__floatsisf)
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.balign 4
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__floatsisf:
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push_s blink
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bl.d __floatsisf_c
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push_s r0
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ld_s r1,[sp]
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st_s r0,[sp]
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bl.d __floatsisf_asm
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mov_s r0,r1
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pop_s r1
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pop_s blink
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cmp r0,r1
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jeq_s [blink]
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bl abort
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ENDFUNC(__floatsisf)
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.global __floatunsisf
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FUNC(__floatunsisf)
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.balign 4
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__floatunsisf:
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push_s blink
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bl.d __floatunsisf_c
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push_s r0
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ld_s r1,[sp]
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st_s r0,[sp]
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bl.d __floatunsisf_asm
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mov_s r0,r1
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pop_s r1
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pop_s blink
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cmp r0,r1
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jeq_s [blink]
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bl abort
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ENDFUNC(__floatunsisf)
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#define __floatsisf __floatsisf_asm
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#define __floatunsisf __floatunsisf_asm
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#endif /* DEBUG */
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.global __floatunsisf
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.global __floatsisf
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FUNC(__floatsisf)
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FUNC(__floatunsisf)
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.balign 4
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__floatunsisf:
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lsr_s r2,r0
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mov_l r12,0x9d ; 0x7f + 31 - 1
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norm r2,r2
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brne_l r0,0,0f
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j_s [blink]
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.balign 4
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__floatsisf:
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abs.f r0,r0
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jeq_s [blink]
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lsr_s r2,r0
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mov_s r12,0x9d ; 0x7f + 31 - 1
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norm r2,r2
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bset.cs r12,r12,8
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0: rsub.f r3,r2,8
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bmsk r1,r0,r3
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ror r1,r1,r3
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lsr.pl r0,r0,r3
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neg_s r3,r3
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asl.mi r0,r0,r3
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sub_s r12,r12,r2
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asl_s r12,r12,23
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bxor.pl.f r1,r1,31
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add_s r0,r0,r12
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j_s.d [blink]
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add.pnz r0,r0,1
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ENDFUNC(__floatunsisf)
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ENDFUNC(__floatsisf)
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