jdk/test/hotspot/jtreg/compiler/vectorapi/VectorMaskToLongTest.java
2025-08-02 07:54:42 +00:00

263 lines
12 KiB
Java

/*
* Copyright (c) 2025, NVIDIA CORPORATION & 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.
*/
/*
* @test
* @bug 8356760
* @library /test/lib /
* @summary Optimize VectorMask.fromLong for all-true/all-false cases
* @modules jdk.incubator.vector
*
* @run driver compiler.vectorapi.VectorMaskToLongTest
*/
package compiler.vectorapi;
import compiler.lib.ir_framework.*;
import jdk.incubator.vector.*;
import jdk.test.lib.Asserts;
public class VectorMaskToLongTest {
static final VectorSpecies<Byte> B_SPECIES = ByteVector.SPECIES_MAX;
static final VectorSpecies<Short> S_SPECIES = ShortVector.SPECIES_MAX;
static final VectorSpecies<Integer> I_SPECIES = IntVector.SPECIES_MAX;
static final VectorSpecies<Float> F_SPECIES = FloatVector.SPECIES_MAX;
static final VectorSpecies<Long> L_SPECIES = LongVector.SPECIES_MAX;
static final VectorSpecies<Double> D_SPECIES = DoubleVector.SPECIES_MAX;
@DontInline
public static void verifyMaskToLong(VectorSpecies<?> species, long inputLong, long got) {
long expected = inputLong & (-1L >>> (64 - species.length()));
Asserts.assertEquals(expected, got, "for input long " + inputLong);
}
@ForceInline
public static void testMaskAllToLong(VectorSpecies<?> species) {
int vlen = species.length();
long inputLong = 0L;
// fromLong is expected to be converted to maskAll.
long got = VectorMask.fromLong(species, inputLong).toLong();
verifyMaskToLong(species, inputLong, got);
inputLong = vlen >= 64 ? 0 : (0x1L << vlen);
got = VectorMask.fromLong(species, inputLong).toLong();
verifyMaskToLong(species, inputLong, got);
inputLong = -1L;
got = VectorMask.fromLong(species, inputLong).toLong();
verifyMaskToLong(species, inputLong, got);
inputLong = (-1L >>> (64 - vlen));
got = VectorMask.fromLong(species, inputLong).toLong();
verifyMaskToLong(species, inputLong, got);
}
@Test
@IR(counts = { IRNode.MASK_ALL, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve", "true", "avx512", "true", "rvv", "true" })
@IR(counts = { IRNode.REPLICATE_B, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
@IR(counts = { IRNode.REPLICATE_B, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "avx2", "true", "avx512", "false" })
public static void testMaskAllToLongByte() {
testMaskAllToLong(B_SPECIES);
}
@Test
@IR(counts = { IRNode.MASK_ALL, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve", "true", "avx512", "true", "rvv", "true" })
@IR(counts = { IRNode.REPLICATE_S, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
@IR(counts = { IRNode.REPLICATE_S, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "avx2", "true", "avx512", "false" })
public static void testMaskAllToLongShort() {
testMaskAllToLong(S_SPECIES);
}
@Test
@IR(counts = { IRNode.MASK_ALL, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve", "true", "avx512", "true", "rvv", "true" })
@IR(counts = { IRNode.REPLICATE_I, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
@IR(counts = { IRNode.REPLICATE_I, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "avx2", "true", "avx512", "false" })
public static void testMaskAllToLongInt() {
testMaskAllToLong(I_SPECIES);
}
@Test
@IR(counts = { IRNode.MASK_ALL, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve", "true", "avx512", "true", "rvv", "true" })
@IR(counts = { IRNode.REPLICATE_L, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
@IR(counts = { IRNode.REPLICATE_L, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "avx2", "true", "avx512", "false" })
public static void testMaskAllToLongLong() {
testMaskAllToLong(L_SPECIES);
}
@Test
@IR(counts = { IRNode.MASK_ALL, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve", "true", "avx512", "true", "rvv", "true" })
@IR(counts = { IRNode.REPLICATE_I, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
@IR(counts = { IRNode.REPLICATE_I, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "avx2", "true", "avx512", "false" })
public static void testMaskAllToLongFloat() {
testMaskAllToLong(F_SPECIES);
}
@Test
@IR(counts = { IRNode.MASK_ALL, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve", "true", "avx512", "true", "rvv", "true" })
@IR(counts = { IRNode.REPLICATE_L, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
@IR(counts = { IRNode.REPLICATE_L, "= 0",
IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureAnd = { "avx2", "true", "avx512", "false" })
public static void testMaskAllToLongDouble() {
testMaskAllToLong(D_SPECIES);
}
// General cases for (VectorMaskToLong (VectorLongToMask (x))) => x.
@Test
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve2", "true", "avx2", "true", "rvv", "true" })
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 1" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
public static void testFromLongToLongByte() {
// Test the case where some but not all bits are set.
long inputLong = (-1L >>> (64 - B_SPECIES.length()))-1;
long got = VectorMask.fromLong(B_SPECIES, inputLong).toLong();
verifyMaskToLong(B_SPECIES, inputLong, got);
}
@Test
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve2", "true", "avx2", "true", "rvv", "true" })
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 1" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
public static void testFromLongToLongShort() {
// Test the case where some but not all bits are set.
long inputLong = (-1L >>> (64 - S_SPECIES.length()))-1;
long got = VectorMask.fromLong(S_SPECIES, inputLong).toLong();
verifyMaskToLong(S_SPECIES, inputLong, got);
}
@Test
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve2", "true", "avx2", "true", "rvv", "true" })
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 1" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
public static void testFromLongToLongInt() {
// Test the case where some but not all bits are set.
long inputLong = (-1L >>> (64 - I_SPECIES.length()))-1;
long got = VectorMask.fromLong(I_SPECIES, inputLong).toLong();
verifyMaskToLong(I_SPECIES, inputLong, got);
}
@Test
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 0" },
applyIfCPUFeatureOr = { "sve2", "true", "avx2", "true", "rvv", "true" })
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 1" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
public static void testFromLongToLongLong() {
// Test the case where some but not all bits are set.
long inputLong = (-1L >>> (64 - L_SPECIES.length()))-1;
long got = VectorMask.fromLong(L_SPECIES, inputLong).toLong();
verifyMaskToLong(L_SPECIES, inputLong, got);
}
@Test
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 1",
IRNode.VECTOR_MASK_TO_LONG, "= 1" },
applyIfCPUFeatureOr = { "sve2", "true", "avx2", "true", "rvv", "true" })
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 1" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
public static void testFromLongToLongFloat() {
// Test the case where some but not all bits are set.
long inputLong = (-1L >>> (64 - F_SPECIES.length()))-1;
long got = VectorMask.fromLong(F_SPECIES, inputLong).toLong();
verifyMaskToLong(F_SPECIES, inputLong, got);
}
@Test
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 1",
IRNode.VECTOR_MASK_TO_LONG, "= 1" },
applyIfCPUFeatureOr = { "sve2", "true", "avx2", "true", "rvv", "true" })
@IR(counts = { IRNode.VECTOR_LONG_TO_MASK, "= 0",
IRNode.VECTOR_MASK_TO_LONG, "= 1" },
applyIfCPUFeatureAnd = { "asimd", "true", "sve", "false" })
public static void testFromLongToLongDouble() {
// Test the case where some but not all bits are set.
long inputLong = (-1L >>> (64 - D_SPECIES.length()))-1;
long got = VectorMask.fromLong(D_SPECIES, inputLong).toLong();
verifyMaskToLong(D_SPECIES, inputLong, got);
}
public static void main(String[] args) {
TestFramework testFramework = new TestFramework();
testFramework.setDefaultWarmup(10000)
.addFlags("--add-modules=jdk.incubator.vector")
.start();
}
}