8031498: Cleanup and re-factorize PhaseChaitin::build_ifg_physical
Summary: Created sub-functions, added data structures, improved naming and removed unnecessary code
Reviewed-by: kvn, roland, rbackman
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* 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
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* 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:CompileOnly=Test6814842.loadS2B,Test6814842.loadS2Bmask255,Test6814842.loadUS2B,Test6814842.loadUS2Bmask255,Test6814842.loadI2B,Test6814842.loadI2Bmask255,Test6814842.loadI2S,Test6814842.loadI2Smask255,Test6814842.loadI2Smask65535,Test6814842.loadI2US,Test6814842.loadI2USmask255,Test6814842.loadI2USmask65535 Test6814842
*/
public class Test6814842 {
static final short[] sa = new short[] { (short) 0xF1F2 };
static final char[] ca = new char[] { (char) 0xF3F4 };
static final int[] ia = new int[] { 0xF1F2F3F4 };
public static void main(String[] args)
{
byte s2b = loadS2B(sa);
if (s2b != (byte) 0xF2)
throw new InternalError("loadS2B failed: " + s2b + " != " + (byte) 0xF2);
byte s2bmask255 = loadS2Bmask255(sa);
if (s2bmask255 != (byte) 0xF2)
throw new InternalError("loadS2Bmask255 failed: " + s2bmask255 + " != " + (byte) 0xF2);
byte us2b = loadUS2B(ca);
if (us2b != (byte) 0xF4)
throw new InternalError("loadUS2B failed: " + us2b + " != " + (byte) 0xF4);
byte us2bmask255 = loadUS2Bmask255(ca);
if (us2bmask255 != (byte) 0xF4)
throw new InternalError("loadUS2Bmask255 failed: " + us2bmask255 + " != " + (byte) 0xF4);
byte i2b = loadI2B(ia);
if (i2b != (byte) 0xF4)
throw new InternalError("loadI2B failed: " + i2b + " != " + (byte) 0xF4);
byte i2bmask255 = loadI2Bmask255(ia);
if (i2bmask255 != (byte) 0xF4)
throw new InternalError("loadI2Bmask255 failed: " + i2bmask255 + " != " + (byte) 0xF4);
short i2s = loadI2S(ia);
if (i2s != (short) 0xF3F4)
throw new InternalError("loadI2S failed: " + i2s + " != " + (short) 0xF3F4);
short i2smask255 = loadI2Smask255(ia);
if (i2smask255 != (short) 0xF4)
throw new InternalError("loadI2Smask255 failed: " + i2smask255 + " != " + (short) 0xF4);
short i2smask65535 = loadI2Smask65535(ia);
if (i2smask65535 != (short) 0xF3F4)
throw new InternalError("loadI2Smask65535 failed: " + i2smask65535 + " != " + (short) 0xF3F4);
char i2us = loadI2US(ia);
if (i2us != (char) 0xF3F4)
throw new InternalError("loadI2US failed: " + (int) i2us + " != " + (char) 0xF3F4);
char i2usmask255 = loadI2USmask255(ia);
if (i2usmask255 != (char) 0xF4)
throw new InternalError("loadI2USmask255 failed: " + (int) i2usmask255 + " != " + (char) 0xF4);
char i2usmask65535 = loadI2USmask65535(ia);
if (i2usmask65535 != (char) 0xF3F4)
throw new InternalError("loadI2USmask65535 failed: " + (int) i2usmask65535 + " != " + (char) 0xF3F4);
}
static byte loadS2B (short[] sa) { return (byte) (sa[0] ); }
static byte loadS2Bmask255 (short[] sa) { return (byte) (sa[0] & 0xFF ); }
static byte loadUS2B (char[] ca) { return (byte) (ca[0] ); }
static byte loadUS2Bmask255 (char[] ca) { return (byte) (ca[0] & 0xFF ); }
static byte loadI2B (int[] ia) { return (byte) (ia[0] ); }
static byte loadI2Bmask255 (int[] ia) { return (byte) (ia[0] & 0xFF ); }
static short loadI2S (int[] ia) { return (short) (ia[0] ); }
static short loadI2Smask255 (int[] ia) { return (short) (ia[0] & 0xFF ); }
static short loadI2Smask65535 (int[] ia) { return (short) (ia[0] & 0xFFFF); }
static char loadI2US (int[] ia) { return (char) (ia[0] ); }
static char loadI2USmask255 (int[] ia) { return (char) (ia[0] & 0xFF ); }
static char loadI2USmask65535(int[] ia) { return (char) (ia[0] & 0xFFFF); }
}