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[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / alpha / ieee_get_fp_control.S
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1/* Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by David Mosberger <davidm@azstarnet.com>, 1995.
28f540f4 4
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5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
28f540f4 9
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10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
28f540f4 14
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15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
28f540f4 19
b20e47cb 20#include <sysdep.h>
28f540f4 21
b20e47cb 22#define GSI_IEEE_FP_CONTROL 45
28f540f4 23
b20e47cb 24 .text
510ca033 25
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26LEAF(__ieee_get_fp_control, 16)
27#ifdef PROF
28 ldgp gp, 0(pv)
29 lda sp, -16(sp)
84384f5b 30 .set noat
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31 lda AT, _mcount
32 jsr AT, (AT), _mcount
84384f5b 33 .set at
a1470b6f 34 .prologue 1
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35#else
36 lda sp, -16(sp)
37 .prologue 0
38#endif
28f540f4 39
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RM
40 mov sp, a1
41 ldi a0, GSI_IEEE_FP_CONTROL
42 ldi v0, __NR_osf_getsysinfo
43 call_pal PAL_callsys
44 bne a3, error
45
46 ldq v0, 0(sp)
b5791037 47 lda sp, 16(sp)
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RM
48 ret
49
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50error: lda sp, 16(sp)
51#ifndef PROF
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RM
52 br gp, 1f
531: ldgp gp, 0(gp)
b5791037 54#endif
a1470b6f 55 jmp zero, __syscall_error
b20e47cb 56
84724245 57 END(__ieee_get_fp_control)
b20e47cb
RM
58
59weak_alias (__ieee_get_fp_control, ieee_get_fp_control)