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/*
* Copyright (c) 2023, Arm Limited. All rights reserved.
* Copyright (c) 2025, Rivos Inc. 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 java.util.Random;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
/*
* @test
* @bug 8308340
* @key randomness
* @summary Test fma match rule after C2 optimizer.
* @library /test/lib /
* @run driver compiler.c2.irTests.TestIRFma
*/
public class TestIRFma {
private static final Random RANDOM = Utils.getRandomInstance();
public static void main(String[] args) {
TestFramework.run();
}
@Run(test = {"test1", "test2", "test3",
"test4", "test5", "test6",
"test7", "test8", "test9",
"test10", "test11", "test12",
"test13", "test14"})
public void runMethod() {
float fa = RANDOM.nextFloat();
float fb = RANDOM.nextFloat();
float fc = RANDOM.nextFloat();
assertResult(fa, fb, fc);
double da = RANDOM.nextDouble();
double db = RANDOM.nextDouble();
double dc = RANDOM.nextDouble();
assertResult(da, db, dc);
}
@DontCompile
public void assertResult(float a, float b, float c) {
Asserts.assertEquals(Math.fma(-a, -b, c) , test1(a, b, c));
Asserts.assertEquals(Math.fma(-a, b, c) , test3(a, b, c));
Asserts.assertEquals(Math.fma(a, -b, c) , test5(a, b, c));
Asserts.assertEquals(Math.fma(-a, b, -c) , test7(a, b, c));
Asserts.assertEquals(Math.fma(a, -b, -c) , test9(a, b, c));
Asserts.assertEquals(Math.fma(a, b, -c) , test11(a, b, c));
Asserts.assertEquals(Math.fma(-a, -b, -c) , test13(a, b, c));
}
@DontCompile
public void assertResult(double a, double b, double c) {
Asserts.assertEquals(Math.fma(-a, -b, c) , test2(a, b, c));
Asserts.assertEquals(Math.fma(-a, b, c) , test4(a, b, c));
Asserts.assertEquals(Math.fma(a, -b, c) , test6(a, b, c));
Asserts.assertEquals(Math.fma(-a, b, -c) , test8(a, b, c));
Asserts.assertEquals(Math.fma(a, -b, -c) , test10(a, b, c));
Asserts.assertEquals(Math.fma(a, b, -c) , test12(a, b, c));
Asserts.assertEquals(Math.fma(-a, -b, -c) , test14(a, b, c));
}
@Test
@IR(counts = {IRNode.FMSUB, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_F, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static float test1(float a, float b, float c) {
return Math.fma(-a, -b, c);
}
@Test
@IR(counts = {IRNode.FMSUB, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_D, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static double test2(double a, double b, double c) {
return Math.fma(-a, -b, c);
}
@Test
@IR(counts = {IRNode.FMSUB, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_F, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static float test3(float a, float b, float c) {
return Math.fma(-a, b, c);
}
@Test
@IR(counts = {IRNode.FMSUB, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_D, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static double test4(double a, double b, double c) {
return Math.fma(-a, b, c);
}
@Test
@IR(counts = {IRNode.FMSUB, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_F, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static float test5(float a, float b, float c) {
return Math.fma(a, -b, c);
}
@Test
@IR(counts = {IRNode.FMSUB, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_D, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static double test6(double a, double b, double c) {
return Math.fma(a, -b, c);
}
@Test
@IR(counts = {IRNode.FNMADD, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_F, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static float test7(float a, float b, float c) {
return Math.fma(-a, b, -c);
}
@Test
@IR(counts = {IRNode.FNMADD, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_D, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static double test8(double a, double b, double c) {
return Math.fma(-a, b, -c);
}
@Test
@IR(counts = {IRNode.FNMADD, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_F, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static float test9(float a, float b, float c) {
return Math.fma(a, -b, -c);
}
@Test
@IR(counts = {IRNode.FNMADD, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_D, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static double test10(double a, double b, double c) {
return Math.fma(a, -b, -c);
}
@Test
@IR(counts = {IRNode.FNMSUB, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_F, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static float test11(float a, float b, float c) {
return Math.fma(a, b, -c);
}
@Test
@IR(counts = {IRNode.FNMSUB, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_D, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static double test12(double a, double b, double c) {
return Math.fma(a, b, -c);
}
@Test
@IR(counts = {IRNode.FNMADD, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_F, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static float test13(float a, float b, float c) {
return Math.fma(-a, -b, -c);
}
@Test
@IR(counts = {IRNode.FNMADD, "> 0"},
applyIfCPUFeature = {"asimd", "true"})
@IR(counts = {IRNode.FMA_D, "= 1"},
applyIfPlatform = {"riscv64", "true"}, applyIf = {"UseFMA", "true"})
static double test14(double a, double b, double c) {
return Math.fma(-a, -b, -c);
}
}
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