8333647: C2 SuperWord: some additional PopulateIndex tests

Reviewed-by: kvn, chagedorn
This commit is contained in:
Emanuel Peter 2024-06-06 15:21:31 +00:00
parent d02cb742f7
commit 487c477181
2 changed files with 99 additions and 0 deletions

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@ -1,5 +1,6 @@
/*
* Copyright (c) 2022, 2023, Arm Limited. All rights reserved.
* Copyright (c) 2024, Oracle and/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
@ -46,6 +47,8 @@ import compiler.lib.ir_framework.*;
public class ArrayIndexFillTest extends VectorizationTestRunner {
private static final int SIZE = 543;
private static int init = 0;
private static int limit = SIZE;
private int[] a;
@ -101,6 +104,11 @@ public class ArrayIndexFillTest extends VectorizationTestRunner {
}
@Test
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.POPULATE_INDEX, "=0"})
// The ConvI2L can be split through the AddI, creating a mix of
// ConvI2L(AddI) and AddL(ConvI2L) cases, which do not vectorize.
// See: JDK-8332878
public long[] fillLongArray() {
long[] res = new long[SIZE];
for (int i = 0; i < SIZE; i++) {
@ -109,6 +117,65 @@ public class ArrayIndexFillTest extends VectorizationTestRunner {
return res;
}
@Test
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.POPULATE_INDEX, ">0"})
// The variable init/limit has the consequence that we do not split
// the ConvI2L through the AddI.
public long[] fillLongArray2() {
long[] res = new long[SIZE];
for (int i = init; i < limit; i++) {
res[i] = i;
}
return res;
}
@Test
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.POPULATE_INDEX, "=0"})
// See: JDK-8332878
public float[] fillFloatArray() {
float[] res = new float[SIZE];
for (int i = 0; i < SIZE; i++) {
res[i] = i;
}
return res;
}
@Test
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.POPULATE_INDEX, ">0"})
public float[] fillFloatArray2() {
float[] res = new float[SIZE];
for (int i = init; i < limit; i++) {
res[i] = i;
}
return res;
}
@Test
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.POPULATE_INDEX, "=0"})
// See: JDK-8332878
public double[] fillDoubleArray() {
double[] res = new double[SIZE];
for (int i = 0; i < SIZE; i++) {
res[i] = i;
}
return res;
}
@Test
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.POPULATE_INDEX, ">0"})
public double[] fillDoubleArray2() {
double[] res = new double[SIZE];
for (int i = init; i < limit; i++) {
res[i] = i;
}
return res;
}
@Test
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.POPULATE_INDEX, ">0"})

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@ -1,5 +1,6 @@
/*
* Copyright (c) 2022, 2023, Arm Limited. All rights reserved.
* Copyright (c) 2024, Oracle and/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
@ -50,6 +51,7 @@ public class ArrayShiftOpTest extends VectorizationTestRunner {
private static final int SIZE = 543;
private static int size = 543;
private static int zero = 0;
private int[] ints;
private long[] longs;
@ -120,6 +122,36 @@ public class ArrayShiftOpTest extends VectorizationTestRunner {
return res;
}
@Test
// Tests that we add a ConvI2L for size, when converting it to long for
// the rotateRight rotation input.
// However, it currently only seems to vectorize in OSR, so we cannot add IR rules.
public long[] longExplicitRotateWithPopulateIndex() {
long[] res = new long[SIZE];
for (int i = 0; i < SIZE; i++) {
res[i] = Long.rotateRight(i, /* some rotation value*/ size);
}
return res;
}
@Test
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.STORE_VECTOR, ">0"})
@IR(applyIfCPUFeature = {"avx512f", "true"},
counts = {IRNode.ROTATE_RIGHT_V, ">0"})
@IR(applyIfCPUFeatureOr = {"sve", "true", "avx2", "true"},
counts = {IRNode.POPULATE_INDEX, ">0"})
// The unknown init/limit values make sure that the rotation does fold badly
// like in longExplicitRotateWithPopulateIndex.
public long[] longExplicitRotateWithPopulateIndex2() {
long[] res = new long[SIZE];
for (int i = zero; i < size; i++) {
res[i] = Long.rotateRight(i, /* some rotation value*/ size);
}
return res;
}
@Test
@IR(applyIfCPUFeatureOr = {"asimd", "true", "sse2", "true"},
counts = {IRNode.RSHIFT_VI, ">0"})