From e2de64d6f1beb9e492daf5b886e19933c1fa41dd Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- mpeglib/lib/splay/op.h | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 mpeglib/lib/splay/op.h (limited to 'mpeglib/lib/splay/op.h') diff --git a/mpeglib/lib/splay/op.h b/mpeglib/lib/splay/op.h new file mode 100644 index 00000000..a741e97b --- /dev/null +++ b/mpeglib/lib/splay/op.h @@ -0,0 +1,96 @@ +/* + unrolled operations, for better Pentium FPU scheduling + Copyright (C) 2001 Martin Vogt + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Library General Public License as published by + the Free Software Foundation. + + For more information look at the file COPYRIGHT in this package + + */ + + + +#ifndef __OP_H +#define __OP_H + +/** + The Pentium has two pipelined FPUs which makes it possible + to do two operations in one cycle. + (If you are lucky) + +*/ + +#define PTR_DIST (1024) + +#define OS r1=vp1[0] * dp[0]; \ + r2=vp1[PTR_DIST-0] * dp[0]; \ + dp++; + +#define XX1 vp1+=15;dp++; + +#define XX2 r1+=vp1[0] * dp[-1]; \ + r2+=vp1[PTR_DIST-0] * dp[-1]; + +#define OP_END(val) vp1-=val;dp+=val; + +#define OP_END_1(vVal,dVal) vp1+=(vVal-dVal),dp+=dVal + + +// this is OP_END(x);XX1; together: +#define OP_END_2(vVal) vp1+=(15-vVal),dp+=vVal+1 + + +// check this to test pipelining + +#define SCHEDULE1(op,r1,r2) r1;op;r2; +#define SCHEDULE2(op,r1,r2) op;r1;r2; + +#define SCHEDULE(a,b,c) SCHEDULE2(a,b,c); + + +#define OP r1+=vp1[-1] * dp[0]; \ + r2+=vp1[PTR_DIST-1] * dp[0]; + + + +#define OP2 SCHEDULE(OP ,r1+=vp1[-2] * dp[1] ,r2+=vp1[PTR_DIST-2] *dp[1]); +#define OP3 SCHEDULE(OP2 ,r1+=vp1[-3] * dp[2] ,r2+=vp1[PTR_DIST-3] *dp[2]); +#define OP4 SCHEDULE(OP3 ,r1+=vp1[-4] * dp[3] ,r2+=vp1[PTR_DIST-4] *dp[3]); +#define OP5 SCHEDULE(OP4 ,r1+=vp1[-5] * dp[4] ,r2+=vp1[PTR_DIST-5] *dp[4]); +#define OP6 SCHEDULE(OP5 ,r1+=vp1[-6] * dp[5] ,r2+=vp1[PTR_DIST-6] *dp[5]); +#define OP7 SCHEDULE(OP6 ,r1+=vp1[-7] * dp[6] ,r2+=vp1[PTR_DIST-7] *dp[6]); +#define OP8 SCHEDULE(OP7 ,r1+=vp1[-8] * dp[7] ,r2+=vp1[PTR_DIST-8] *dp[7]); +#define OP9 SCHEDULE(OP8 ,r1+=vp1[-9] * dp[8] ,r2+=vp1[PTR_DIST-9] *dp[8]); +#define OP10 SCHEDULE(OP9 ,r1+=vp1[-10] * dp[9] ,r2+=vp1[PTR_DIST-10] *dp[9]); +#define OP11 SCHEDULE(OP10,r1+=vp1[-11] * dp[10],r2+=vp1[PTR_DIST-11] *dp[10]); +#define OP12 SCHEDULE(OP11,r1+=vp1[-12] * dp[11],r2+=vp1[PTR_DIST-12] *dp[11]); +#define OP13 SCHEDULE(OP12,r1+=vp1[-13] * dp[12],r2+=vp1[PTR_DIST-13] *dp[12]); +#define OP14 SCHEDULE(OP13,r1+=vp1[-14] * dp[13],r2+=vp1[PTR_DIST-14] *dp[13]); +#define OP15 SCHEDULE(OP14,r1+=vp1[-15] * dp[14],r2+=vp1[PTR_DIST-15] *dp[14]); + + +/* +#define OP r1+=vp1[-1] * dp[0]; \ + r2+=vp2[-1] * dp[0]; + + + +#define OP2 SCHEDULE(OP ,r1+=vp1[-2] * dp[1] ,r2+=vp2[-2] * dp[1]); +#define OP3 SCHEDULE(OP2 ,r1+=vp1[-3] * dp[2] ,r2+=vp2[-3] * dp[2]); +#define OP4 SCHEDULE(OP3 ,r1+=vp1[-4] * dp[3] ,r2+=vp2[-4] * dp[3]); +#define OP5 SCHEDULE(OP4 ,r1+=vp1[-5] * dp[4] ,r2+=vp2[-5] * dp[4]); +#define OP6 SCHEDULE(OP5 ,r1+=vp1[-6] * dp[5] ,r2+=vp2[-6] * dp[5]); +#define OP7 SCHEDULE(OP6 ,r1+=vp1[-7] * dp[6] ,r2+=vp2[-7] * dp[6]); +#define OP8 SCHEDULE(OP7 ,r1+=vp1[-8] * dp[7] ,r2+=vp2[-8] * dp[7]); +#define OP9 SCHEDULE(OP8 ,r1+=vp1[-9] * dp[8] ,r2+=vp2[-9] * dp[8]); +#define OP10 SCHEDULE(OP9 ,r1+=vp1[-10] * dp[9] ,r2+=vp2[-10] * dp[9]); +#define OP11 SCHEDULE(OP10,r1+=vp1[-11] * dp[10],r2+=vp2[-11] * dp[10]); +#define OP12 SCHEDULE(OP11,r1+=vp1[-12] * dp[11],r2+=vp2[-12] * dp[11]); +#define OP13 SCHEDULE(OP12,r1+=vp1[-13] * dp[12],r2+=vp2[-13] * dp[12]); +#define OP14 SCHEDULE(OP13,r1+=vp1[-14] * dp[13],r2+=vp2[-14] * dp[13]); +#define OP15 SCHEDULE(OP14,r1+=vp1[-15] * dp[14],r2+=vp2[-15] * dp[14]); +*/ + +#endif -- cgit v1.2.1