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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /mpeglib/lib/splay/op.h
downloadtdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.tar.gz
tdemultimedia-e2de64d6f1beb9e492daf5b886e19933c1fa41dd.zip
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
Diffstat (limited to 'mpeglib/lib/splay/op.h')
-rw-r--r--mpeglib/lib/splay/op.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/mpeglib/lib/splay/op.h b/mpeglib/lib/splay/op.h
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+/*
+ 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