/*
* Copyright ( c ) 2009 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This 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
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/**
* @ test
* @ bug 6814842
* @ summary Load shortening optimizations
*
* @ run main / othervm - Xcomp
* - XX : CompileCommand = compileonly , compiler . codegen . Test6814842 : : load *
* compiler . codegen . Test6814842
*/
package compiler.codegen;
public class Test6814842 {
static final short [] sa = new short [] { (short ) 0 xF1F2 };
static final char [] ca = new char [] { (char ) 0 xF3F4 };
static final int [] ia = new int [] { 0 xF1F2F3F4 };
public static void main(String[] args)
{
byte s2b = loadS2B(sa);
if (s2b != (byte ) 0 xF2)
throw new InternalError("loadS2B failed: " + s2b + " != " + (byte ) 0 xF2);
byte s2bmask255 = loadS2Bmask255(sa);
if (s2bmask255 != (byte ) 0 xF2)
throw new InternalError("loadS2Bmask255 failed: " + s2bmask255 + " != " + (byte ) 0 xF2);
byte us2b = loadUS2B(ca);
if (us2b != (byte ) 0 xF4)
throw new InternalError("loadUS2B failed: " + us2b + " != " + (byte ) 0 xF4);
byte us2bmask255 = loadUS2Bmask255(ca);
if (us2bmask255 != (byte ) 0 xF4)
throw new InternalError("loadUS2Bmask255 failed: " + us2bmask255 + " != " + (byte ) 0 xF4);
byte i2b = loadI2B(ia);
if (i2b != (byte ) 0 xF4)
throw new InternalError("loadI2B failed: " + i2b + " != " + (byte ) 0 xF4);
byte i2bmask255 = loadI2Bmask255(ia);
if (i2bmask255 != (byte ) 0 xF4)
throw new InternalError("loadI2Bmask255 failed: " + i2bmask255 + " != " + (byte ) 0 xF4);
short i2s = loadI2S(ia);
if (i2s != (short ) 0 xF3F4)
throw new InternalError("loadI2S failed: " + i2s + " != " + (short ) 0 xF3F4);
short i2smask255 = loadI2Smask255(ia);
if (i2smask255 != (short ) 0 xF4)
throw new InternalError("loadI2Smask255 failed: " + i2smask255 + " != " + (short ) 0 xF4);
short i2smask65535 = loadI2Smask65535(ia);
if (i2smask65535 != (short ) 0 xF3F4)
throw new InternalError("loadI2Smask65535 failed: " + i2smask65535 + " != " + (short ) 0 xF3F4);
char i2us = loadI2US(ia);
if (i2us != (char ) 0 xF3F4)
throw new InternalError("loadI2US failed: " + (int ) i2us + " != " + (char ) 0 xF3F4);
char i2usmask255 = loadI2USmask255(ia);
if (i2usmask255 != (char ) 0 xF4)
throw new InternalError("loadI2USmask255 failed: " + (int ) i2usmask255 + " != " + (char ) 0 xF4);
char i2usmask65535 = loadI2USmask65535(ia);
if (i2usmask65535 != (char ) 0 xF3F4)
throw new InternalError("loadI2USmask65535 failed: " + (int ) i2usmask65535 + " != " + (char ) 0 xF3F4);
}
static byte loadS2B (short [] sa) { return (byte ) (sa[0 ] ); }
static byte loadS2Bmask255 (short [] sa) { return (byte ) (sa[0 ] & 0 xFF ); }
static byte loadUS2B (char [] ca) { return (byte ) (ca[0 ] ); }
static byte loadUS2Bmask255 (char [] ca) { return (byte ) (ca[0 ] & 0 xFF ); }
static byte loadI2B (int [] ia) { return (byte ) (ia[0 ] ); }
static byte loadI2Bmask255 (int [] ia) { return (byte ) (ia[0 ] & 0 xFF ); }
static short loadI2S (int [] ia) { return (short ) (ia[0 ] ); }
static short loadI2Smask255 (int [] ia) { return (short ) (ia[0 ] & 0 xFF ); }
static short loadI2Smask65535 (int [] ia) { return (short ) (ia[0 ] & 0 xFFFF); }
static char loadI2US (int [] ia) { return (char ) (ia[0 ] ); }
static char loadI2USmask255 (int [] ia) { return (char ) (ia[0 ] & 0 xFF ); }
static char loadI2USmask65535(int [] ia) { return (char ) (ia[0 ] & 0 xFFFF); }
}
Messung V0.5 in Prozent C=87 H=91 G=88
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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