quakeforge/libs/util/sys_ia32.S

86 lines
1.6 KiB
ArmAsm

/*
sw_fpua.S
Intel 32-bit assembly language dependent routines.
Copyright (C) 1996-1997 Id Software, Inc.
This program 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 2
of the License, or (at your option) any later version.
This program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "asm_i386.h"
#ifdef USE_INTEL_ASM
#ifdef WIN32
# undef PIC //no such thing in win32
#endif
.data
.align 4
fpenv:
.long 0, 0, 0, 0, 0, 0, 0, 0
#ifdef PIC
#define got_base(n) \
call .Lpic##n ;\
.Lpic##n: ;\
popl %edx ;\
addl $C(_GLOBAL_OFFSET_TABLE_)+[.-.Lpic##n],%edx
#define got_var(v) v@GOTOFF(%edx)
#define F_BEGIN(name) \
.globl C(name) ;\
.type C(name),@function ;\
C(name):
#define F_END(name) .size C(name),.-C(name)
#else
#define got_base(n)
#define got_var(v) v
#define F_BEGIN(name) \
.globl C(name) ;\
C(name):
#define F_END(name)
#endif
.text
F_BEGIN(Sys_MaskFPUExceptions)
got_base(1)
fnstenv got_var(fpenv)
orl $0x3F,got_var(fpenv)
fldenv got_var(fpenv)
ret
F_END(Sys_MaskFPUExceptions)
#endif /* USE_INTEL_ASM */