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/*
* Copyright (c) 2021, Huawei Technologies Co., Ltd. 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.
*/
/**
* @test
* @bug 8263006
* @summary Test the result of 8263006's optimization
*
* @run main/othervm -Xcomp -XX:-TieredCompilation
* compiler.intrinsics.math.MaxMinOptimizeTest
*/
package compiler.intrinsics.math;
import java.util.Arrays;
public class MaxMinOptimizeTest {
private static final float fPos = 15280.0f;
private static final float fNeg = -55555.5f;
private static final float fPosZero = 0.0f;
private static final float fNegZero = -0.0f;
private static final float fPosInf = Float.POSITIVE_INFINITY;
private static final float fNegInf = Float.NEGATIVE_INFINITY;
private static final float fNaN = Float.NaN;
private static final float fPosPosAdd = Float.intBitsToFloat(1190051840);
private static final float fNegNegAdd = Float.intBitsToFloat(-942079104);
private static final float fPosNegAdd = Float.intBitsToFloat(-954379392);
private static final float fPosPosMul = Float.intBitsToFloat(1298049424);
private static final float fNegNegMul = Float.intBitsToFloat(1329067759);
private static final float fPosNegMul = Float.intBitsToFloat(-833985532);
private static final double dPos = 482390926662501720.0;
private static final double dNeg = -333333333333333333.3;
private static final double dPosZero = 0.0;
private static final double dNegZero = -0.0;
private static final double dPosInf = Double.POSITIVE_INFINITY;
private static final double dNegInf = Double.NEGATIVE_INFINITY;
private static final double dNaN = Double.NaN;
private static final double dPosPosAdd = Double.longBitsToDouble(4875928555416607765L);
private static final double dNegNegAdd = Double.longBitsToDouble(-4349772506333936299L);
private static final double dPosNegAdd = Double.longBitsToDouble(4864042047724301696L);
private static final double dPosPosMul = Double.longBitsToDouble(5135907348984537565L);
private static final double dNegNegMul = Double.longBitsToDouble(5131119721350321694L);
private static final double dPosNegMul = Double.longBitsToDouble(-4089558839395905027L);
private static final float[][] f_cases = {
// a b min max add mul
{ fPos, fPos, fPos, fPos, fPosPosAdd, fPosPosMul},
{ fNeg, fNeg, fNeg, fNeg, fNegNegAdd, fNegNegMul},
{ fPos, fNeg, fNeg, fPos, fPosNegAdd, fPosNegMul},
{ fNeg, fPos, fNeg, fPos, fPosNegAdd, fPosNegMul},
{ fPosZero, fNegZero, fNegZero, fPosZero, fPosZero, fNegZero},
{ fNegZero, fPosZero, fNegZero, fPosZero, fPosZero, fNegZero},
{ fNegZero, fNegZero, fNegZero, fNegZero, fNegZero, fPosZero},
{ fPos, fPosInf, fPos, fPosInf, fPosInf, fPosInf},
{ fNeg, fNegInf, fNegInf, fNeg, fNegInf, fPosInf},
{ fPos, fNaN, fNaN, fNaN, fNaN, fNaN},
{ fNaN, fPos, fNaN, fNaN, fNaN, fNaN},
{ fNeg, fNaN, fNaN, fNaN, fNaN, fNaN},
{ fNaN, fNeg, fNaN, fNaN, fNaN, fNaN},
{ fPosInf, fNaN, fNaN, fNaN, fNaN, fNaN},
{ fNaN, fPosInf, fNaN, fNaN, fNaN, fNaN},
{ fNegInf, fNaN, fNaN, fNaN, fNaN, fNaN},
{ fNaN, fNegInf, fNaN, fNaN, fNaN, fNaN}
};
private static final double[][] d_cases = {
// a b min max add mul
{ dPos, dPos, dPos, dPos, dPosPosAdd, dPosPosMul},
{ dNeg, dNeg, dNeg, dNeg, dNegNegAdd, dNegNegMul},
{ dPos, dNeg, dNeg, dPos, dPosNegAdd, dPosNegMul},
{ dNeg, dPos, dNeg, dPos, dPosNegAdd, dPosNegMul},
{ dPosZero, dNegZero, dNegZero, dPosZero, dPosZero, dNegZero},
{ dNegZero, dPosZero, dNegZero, dPosZero, dPosZero, dNegZero},
{ dNegZero, dNegZero, dNegZero, dNegZero, dNegZero, dPosZero},
{ dPos, dPosInf, dPos, dPosInf, dPosInf, dPosInf},
{ dNeg, dNegInf, dNegInf, dNeg, dNegInf, dPosInf},
{ dPos, dNaN, dNaN, dNaN, dNaN, dNaN},
{ dNaN, dPos, dNaN, dNaN, dNaN, dNaN},
{ dNeg, dNaN, dNaN, dNaN, dNaN, dNaN},
{ dNaN, dNeg, dNaN, dNaN, dNaN, dNaN},
{ dPosInf, dNaN, dNaN, dNaN, dNaN, dNaN},
{ dNaN, dPosInf, dNaN, dNaN, dNaN, dNaN},
{ dNegInf, dNaN, dNaN, dNaN, dNaN, dNaN},
{ dNaN, dNegInf, dNaN, dNaN, dNaN, dNaN}
};
static float add_opt_float(float a, float b) {
return Math.max(a, b) + Math.min(a, b);
}
static float mul_opt_float(float a, float b) {
return Math.max(a, b) * Math.min(a, b);
}
static float max_opt_float(float a, float b) {
return Math.max(Math.max(a, b), Math.min(a, b));
}
static float min_opt_float(float a, float b) {
return Math.min(Math.max(a, b), Math.min(a, b));
}
static double add_opt_double(double a, double b) {
return Math.max(a, b) + Math.min(a, b);
}
static double mul_opt_double(double a, double b) {
return Math.max(a, b) * Math.min(a, b);
}
static double max_opt_double(double a, double b) {
return Math.max(Math.max(a, b), Math.min(a, b));
}
static double min_opt_double(double a, double b) {
return Math.min(Math.max(a, b), Math.min(a, b));
}
private static void fTest(float[] row) {
fCheck(row[0], row[1],
min_opt_float(row[0], row[1]),
max_opt_float(row[0], row[1]),
add_opt_float(row[0], row[1]),
mul_opt_float(row[0], row[1]),
row[2], row[3], row[4], row[5]);
}
private static void fCheck(float a, float b, float fmin, float fmax, float fadd, float fmul, float efmin, float efmax, float efadd, float efmul) {
int min = Float.floatToRawIntBits(fmin);
int max = Float.floatToRawIntBits(fmax);
int add = Float.floatToRawIntBits(fadd);
int mul = Float.floatToRawIntBits(fmul);
int emin = Float.floatToRawIntBits(efmin);
int emax = Float.floatToRawIntBits(efmax);
int eadd = Float.floatToRawIntBits(efadd);
int emul = Float.floatToRawIntBits(efmul);
if (min != emin || max != emax || add != eadd || mul != emul) {
throw new AssertionError("Unexpected result of float test: " +
"a = " + a + ", b = " + b + ", " +
"result = (" + fmin + ", " + fmax + ", " + fadd + ", " + fmul + "), " +
"expected = (" + efmin + ", " + efmax + ", " + efadd + ", " + efmul + ")");
}
}
private static void dTest(double[] row) {
dCheck(row[0], row[1],
min_opt_double(row[0], row[1]),
max_opt_double(row[0], row[1]),
add_opt_double(row[0], row[1]),
mul_opt_double(row[0], row[1]),
row[2], row[3], row[4], row[5]);
}
private static void dCheck(double a, double b, double dmin, double dmax, double dadd, double dmul, double edmin, double edmax, double edadd, double edmul) {
long min = Double.doubleToRawLongBits(dmin);
long max = Double.doubleToRawLongBits(dmax);
long add = Double.doubleToRawLongBits(dadd);
long mul = Double.doubleToRawLongBits(dmul);
long emin = Double.doubleToRawLongBits(edmin);
long emax = Double.doubleToRawLongBits(edmax);
long eadd = Double.doubleToRawLongBits(edadd);
long emul = Double.doubleToRawLongBits(edmul);
if (min != emin || max != emax || add != eadd || mul != emul) {
throw new AssertionError("Unexpected result of double test: " +
"a = " + a + ", b = " + b + ", " +
"result = (" + dmin + ", " + dmax + ", " + dadd + ", " + dmul + "), " +
"expected = (" + edmin + ", " + edmax + ", " + edadd + ", " + edmul + ")");
}
}
public static void main(String[] args) {
Arrays.stream(f_cases).forEach(MaxMinOptimizeTest::fTest);
Arrays.stream(d_cases).forEach(MaxMinOptimizeTest::dTest);
}
}
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