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Diffstat (limited to 'src/asm/snapvectora.s')
| -rw-r--r-- | src/asm/snapvectora.s | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/src/asm/snapvectora.s b/src/asm/snapvectora.s deleted file mode 100644 index bc10c757..00000000 --- a/src/asm/snapvectora.s +++ /dev/null @@ -1,103 +0,0 @@ -/* -=========================================================================== -Copyright (C) 1999-2005 Id Software, Inc. - -This file is part of Quake III Arena source code. - -Quake III Arena source code 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. - -Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ - -// -// Sys_SnapVector NASM code (Andrew Henderson) -// See win32/win_shared.c for the Win32 equivalent -// This code is provided to ensure that the -// rounding behavior (and, if necessary, the -// precision) of DLL and QVM code are identical -// e.g. for network-visible operations. -// See ftol.nasm for operations on a single float, -// as used in compiled VM and DLL code that does -// not use this system trap. -// - -// 23/09/05 Ported to gas by intel2gas, best supporting actor Tim Angus -// <tim@ngus.net> - -#include "qasm.h" - -#if id386 -.data - -fpucw: .long 0 -cw037F: .long 0x037F - -.text - -// void Sys_SnapVector( float *v ) -.globl C(Sys_SnapVector) -C(Sys_SnapVector): - pushl %eax - pushl %ebp - movl %esp,%ebp - - fnstcw fpucw - movl 12(%ebp),%eax - fldcw cw037F - flds (%eax) - fistpl (%eax) - fildl (%eax) - fstps (%eax) - flds 4(%eax) - fistpl 4(%eax) - fildl 4(%eax) - fstps 4(%eax) - flds 8(%eax) - fistpl 8(%eax) - fildl 8(%eax) - fstps 8(%eax) - fldcw fpucw - - popl %ebp - popl %eax - ret - -// void Sys_SnapVectorCW( float *v, unsigned short int cw ) -.globl C(Sys_SnapVectorCW) -C(Sys_SnapVectorCW): - pushl %eax - pushl %ebp - movl %esp,%ebp - - fnstcw fpucw - movl 12(%ebp),%eax - fldcw 16(%ebp) - flds (%eax) - fistpl (%eax) - fildl (%eax) - fstps (%eax) - flds 4(%eax) - fistpl 4(%eax) - fildl 4(%eax) - fstps 4(%eax) - flds 8(%eax) - fistpl 8(%eax) - fildl 8(%eax) - fstps 8(%eax) - fldcw fpucw - - popl %ebp - popl %eax - ret -#endif |