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/*
* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package compiler.c2.irTests;
import compiler.lib.ir_framework.*;
import jdk.test.lib.Asserts;
/*
* @test
* @bug 8345219
* @summary Test that code generation for FP conversion works as intended
* @library /test/lib /
* @requires os.arch != "x86" & os.arch != "i386"
* @run driver compiler.c2.irTests.TestFPConversion
*/
public class TestFPConversion {
static final double[] DOUBLES = new double[] {
Double.NEGATIVE_INFINITY,
-Double.MAX_VALUE,
-1.0,
-Double.MIN_VALUE,
-0.0,
0.0,
Double.MIN_VALUE,
1.0,
Double.MAX_VALUE,
Double.POSITIVE_INFINITY,
Double.NaN,
};
static final float[] FLOATS = new float[] {
Float.NEGATIVE_INFINITY,
-Float.MAX_VALUE,
-1.0F,
-Float.MIN_VALUE,
-0.0F,
0.0F,
Float.MIN_VALUE,
1.0F,
Float.MAX_VALUE,
Float.POSITIVE_INFINITY,
Float.NaN,
};
public static void main(String[] args) {
TestFramework.run();
}
@Test
@IR(counts = {IRNode.MOV_D2L, "1"})
public long doubleToRawLongBits(double x) {
return Double.doubleToRawLongBits(x);
}
@Test
@IR(counts = {IRNode.MOV_D2L, "1"})
public long doubleToLongBits(double x) {
return Double.doubleToLongBits(x);
}
@Test
@IR(counts = {IRNode.MOV_L2D, "1"})
public double longBitsToDouble(long x) {
return Double.longBitsToDouble(x);
}
@Test
@IR(counts = {IRNode.MOV_F2I, "1"})
public int floatToRawIntBits(float x) {
return Float.floatToRawIntBits(x);
}
@Test
@IR(counts = {IRNode.MOV_F2I, "1"})
public int floatToIntBits(float x) {
return Float.floatToIntBits(x);
}
@Test
@IR(counts = {IRNode.MOV_I2F, "1"})
public float intBitsToFloat(int x) {
return Float.intBitsToFloat(x);
}
@Run(test = {"doubleToRawLongBits", "doubleToLongBits", "longBitsToDouble",
"floatToRawIntBits", "floatToIntBits", "intBitsToFloat"})
public void runTests() {
for (int i = 0; i < DOUBLES.length; i++) {
double d = DOUBLES[i];
long l1 = doubleToRawLongBits(d);
long l2 = doubleToLongBits(d);
double d1 = longBitsToDouble(l1);
double d2 = longBitsToDouble(l2);
Asserts.assertEquals(d, d1);
Asserts.assertEquals(d, d2);
}
for (int i = 0; i < FLOATS.length; i++) {
float f = FLOATS[i];
int i1 = floatToRawIntBits(f);
int i2 = floatToIntBits(f);
float f1 = intBitsToFloat(i1);
float f2 = intBitsToFloat(i2);
Asserts.assertEquals(f, f1);
Asserts.assertEquals(f, f2);
}
}
}
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