diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/misc/SlowBcopy.S')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/misc/SlowBcopy.S | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/misc/SlowBcopy.S b/nx-X11/programs/Xserver/hw/xfree86/os-support/misc/SlowBcopy.S deleted file mode 100644 index 9fd73a0f9..000000000 --- a/nx-X11/programs/Xserver/hw/xfree86/os-support/misc/SlowBcopy.S +++ /dev/null @@ -1,108 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/misc/SlowBcopy.s,v 1.2 1998/07/25 16:56:50 dawes Exp $ */ -/******************************************************************************* - Copyright 1994 by Glenn G. Lai - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyr notice appear in all copies and that -both that copyr notice and this permission notice appear in -supporting documentation, and that the name of Glenn G. Lai not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -Glenn G. Lai DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -Glenn G. Lai -P.O. Box 4314 -Austin, Tx 78765 -glenn@cs.utexas.edu) -7/21/94 -*******************************************************************************/ -/* $XConsortium: SlowBcopy.s /main/4 1996/02/21 17:40:52 kaleb $ */ - -/* - * Modified from the output generated by GCC - * - * Create a dependency that should be immune from the effect of register - * renaming as is commonly seen in superscalar processors. This should - * insert a minimum of 100-ns delays between reads/writes at clock rates - * up to 100 MHz---GGL - * - * Slowbcopy(char *src, char *dst, int count) - * - */ - -#include "assyntax.h" - - FILE("SlowBcopy.s") - - AS_BEGIN - -gcc2_compiled.: -___gnu_compiled_c: - - GLOBL GLNAME(xf86SlowBcopy) - - SEG_TEXT - ALIGNTEXT4 -GLNAME(xf86SlowBcopy): - PUSH_L (EBP) - MOV_L (ESP,EBP) - PUSH_L (ESI) - PUSH_L (EBX) - MOV_L (REGOFF(8,EBP),ECX) - MOV_L (REGOFF(12,EBP),EDX) - MOV_L (REGOFF(16,EBP),ESI) - XOR_L (EAX,EAX) - CMP_L (ESI,EAX) - JGE (L3) - - ALIGNTEXT4 -L5: - MOV_B (REGIND(ECX),BL) - - MOV_B (BL, BH) - MOV_B (BH, BL) - MOV_B (BL, BH) - MOV_B (BH, BL) - MOV_B (BL, BH) - MOV_B (BH, BL) - MOV_B (BL, BH) - MOV_B (BH, BL) - MOV_B (BL, BH) - MOV_B (BH, BL) - - MOV_B (BL,REGIND(EDX)) - - INC_L (ECX) - DEC_L (ECX) - INC_L (ECX) - DEC_L (ECX) - INC_L (ECX) - DEC_L (ECX) - INC_L (ECX) - DEC_L (ECX) - INC_L (ECX) - DEC_L (ECX) - - INC_L (ECX) - INC_L (EDX) - INC_L (EAX) - CMP_L (ESI,EAX) - JL (L5) -L3: - LEA_L (REGOFF(-8,EBP),ESP) - POP_L (EBX) - POP_L (ESI) - MOV_L (EBP,ESP) - POP_L (EBP) - RET - |