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Diffstat (limited to 'code/unix/ftola.s')
-rw-r--r-- | code/unix/ftola.s | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/code/unix/ftola.s b/code/unix/ftola.s deleted file mode 100644 index 7e9c523..0000000 --- a/code/unix/ftola.s +++ /dev/null @@ -1,160 +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 Foobar; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ - -// -// qftol -- fast floating point to long conversion. -// - -// 23/09/05 Ported to gas by intel2gas, best supporting actor Tim Angus -// <tim@ngus.net> - -#include "qasm.h" - -#if id386 - -.data - -temp: .single 0.0 -fpucw: .long 0 - -// Precision Control Field , 2 bits / 0x0300 -// PC24 0x0000 Single precision (24 bits). -// PC53 0x0200 Double precision (53 bits). -// PC64 0x0300 Extended precision (64 bits). - -// Rounding Control Field, 2 bits / 0x0C00 -// RCN 0x0000 Rounding to nearest (even). -// RCD 0x0400 Rounding down (directed, minus). -// RCU 0x0800 Rounding up (directed plus). -// RC0 0x0C00 Rounding towards zero (chop mode). - - -// rounding towards nearest (even) -cw027F: .long 0x027F -cw037F: .long 0x037F - -// rounding towards zero (chop mode) -cw0E7F: .long 0x0E7F -cw0F7F: .long 0x0F7F - - -.text - -// -// int qftol( void ) - default control word -// - -.globl C(qftol) - -C(qftol): - fistpl temp - movl temp,%eax - ret - - -// -// int qftol027F( void ) - DirectX FPU -// - -.globl C(qftol027F) - -C(qftol027F): - fnstcw fpucw - fldcw cw027F - fistpl temp - fldcw fpucw - movl temp,%eax - ret - -// -// int qftol037F( void ) - Linux FPU -// - -.globl C(qftol037F) - -C(qftol037F): - fnstcw fpucw - fldcw cw037F - fistpl temp - fldcw fpucw - movl temp,%eax - ret - - -// -// int qftol0F7F( void ) - ANSI -// - -.globl C(qftol0F7F) - -C(qftol0F7F): - fnstcw fpucw - fldcw cw0F7F - fistpl temp - fldcw fpucw - movl temp,%eax - ret - -// -// int qftol0E7F( void ) -// - -.globl C(qftol0E7F) - -C(qftol0E7F): - fnstcw fpucw - fldcw cw0E7F - fistpl temp - fldcw fpucw - movl temp,%eax - ret - - - -// -// long Q_ftol( float q ) -// - -.globl C(Q_ftol) - -C(Q_ftol): - flds 4(%esp) - fistpl temp - movl temp,%eax - ret - - -// -// long qftol0F7F( float q ) - Linux FPU -// - -.globl C(Q_ftol0F7F) - -C(Q_ftol0F7F): - fnstcw fpucw - flds 4(%esp) - fldcw cw0F7F - fistpl temp - fldcw fpucw - movl temp,%eax - ret -#endif |