author | thartmann |
Thu, 12 May 2016 08:23:25 +0200 | |
changeset 38675 | 066fcb1eb80a |
parent 30629 | b6e5ad2f18d5 |
child 40059 | c2304140ed64 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/* |
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* @test |
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* @bug 6912521 |
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* @summary small array copy as loads/stores |
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* @compile TestArrayCopyAsLoadsStores.java TestArrayCopyUtils.java |
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* @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestArrayCopyAsLoadsStores::m* -XX:TypeProfileLevel=200 TestArrayCopyAsLoadsStores |
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* @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestArrayCopyAsLoadsStores::m* -XX:+IgnoreUnrecognizedVMOptions -XX:+StressArrayCopyMacroNode -XX:TypeProfileLevel=200 TestArrayCopyAsLoadsStores |
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* |
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*/ |
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|
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import java.util.*; |
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public class TestArrayCopyAsLoadsStores extends TestArrayCopyUtils { |
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|
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// array clone should be compiled as loads/stores |
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@Args(src=ArraySrc.SMALL) |
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static A[] m1() throws CloneNotSupportedException { |
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return (A[])small_a_src.clone(); |
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} |
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|
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@Args(src=ArraySrc.SMALL) |
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static int[] m2() throws CloneNotSupportedException { |
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return (int[])small_int_src.clone(); |
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} |
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|
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// new array allocation should be optimized out |
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@Args(src=ArraySrc.SMALL) |
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static int m3() throws CloneNotSupportedException { |
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int[] array_clone = (int[])small_int_src.clone(); |
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return array_clone[0] + array_clone[1] + array_clone[2] + |
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array_clone[3] + array_clone[4]; |
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} |
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|
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// should not be compiled as loads/stores |
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@Args(src=ArraySrc.LARGE) |
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static int[] m4() throws CloneNotSupportedException { |
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return (int[])large_int_src.clone(); |
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} |
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|
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// check that array of length 0 is handled correctly |
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@Args(src=ArraySrc.ZERO) |
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static int[] m5() throws CloneNotSupportedException { |
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return (int[])zero_int_src.clone(); |
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} |
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|
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// array copy should be compiled as loads/stores |
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@Args(src=ArraySrc.SMALL, dst=ArrayDst.NEW) |
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static void m6(int[] src, int[] dest) { |
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System.arraycopy(src, 0, dest, 0, 5); |
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} |
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|
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// array copy should not be compiled as loads/stores |
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@Args(src=ArraySrc.LARGE, dst=ArrayDst.NEW) |
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static void m7(int[] src, int[] dest) { |
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System.arraycopy(src, 0, dest, 0, 10); |
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} |
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|
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// array copy should be compiled as loads/stores |
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@Args(src=ArraySrc.SMALL) |
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static A[] m8(A[] src) { |
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src[0] = src[0]; // force null check |
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A[] dest = new A[5]; |
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System.arraycopy(src, 0, dest, 0, 5); |
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return dest; |
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} |
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|
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// array copy should not be compiled as loads/stores: we would |
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// need to emit GC barriers |
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@Args(src=ArraySrc.SMALL, dst=ArrayDst.NEW) |
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static void m9(A[] src, A[] dest) { |
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System.arraycopy(src, 0, dest, 0, 5); |
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} |
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// overlapping array regions: copy backward |
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@Args(src=ArraySrc.SMALL, dst=ArrayDst.SRC) |
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static void m10(int[] src, int[] dest) { |
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System.arraycopy(src, 0, dest, 1, 4); |
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} |
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static boolean m10_check(int[] src, int[] dest) { |
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boolean failure = false; |
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for (int i = 0; i < 5; i++) { |
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int j = Math.max(i - 1, 0); |
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if (dest[i] != src[j]) { |
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System.out.println("Test m10 failed for " + i + " src[" + j +"]=" + src[j] + ", dest[" + i + "]=" + dest[i]); |
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failure = true; |
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} |
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} |
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return failure; |
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} |
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|
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// overlapping array regions: copy forward |
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@Args(src=ArraySrc.SMALL, dst=ArrayDst.SRC) |
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static void m11(int[] src, int[] dest) { |
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System.arraycopy(src, 1, dest, 0, 4); |
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} |
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static boolean m11_check(int[] src, int[] dest) { |
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boolean failure = false; |
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for (int i = 0; i < 5; i++) { |
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int j = Math.min(i + 1, 4); |
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if (dest[i] != src[j]) { |
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System.out.println("Test m11 failed for " + i + " src[" + j +"]=" + src[j] + ", dest[" + i + "]=" + dest[i]); |
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failure = true; |
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} |
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} |
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130 |
return failure; |
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131 |
} |
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132 |
|
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133 |
// overlapping array region with unknown src/dest offsets: compiled code must include both forward and backward copies |
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134 |
@Args(src=ArraySrc.SMALL, dst=ArrayDst.SRC, extra_args={0,1}) |
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135 |
static void m12(int[] src, int[] dest, int srcPos, int destPos) { |
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136 |
System.arraycopy(src, srcPos, dest, destPos, 4); |
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137 |
} |
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138 |
|
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139 |
static boolean m12_check(int[] src, int[] dest) { |
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140 |
boolean failure = false; |
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141 |
for (int i = 0; i < 5; i++) { |
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142 |
int j = Math.max(i - 1, 0); |
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143 |
if (dest[i] != src[j]) { |
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144 |
System.out.println("Test m10 failed for " + i + " src[" + j +"]=" + src[j] + ", dest[" + i + "]=" + dest[i]); |
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145 |
failure = true; |
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146 |
} |
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147 |
} |
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148 |
return failure; |
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149 |
} |
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150 |
|
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151 |
// Array allocation and copy should optimize out |
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152 |
@Args(src=ArraySrc.SMALL) |
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153 |
static int m13(int[] src) { |
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154 |
int[] dest = new int[5]; |
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155 |
System.arraycopy(src, 0, dest, 0, 5); |
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156 |
return dest[0] + dest[1] + dest[2] + dest[3] + dest[4]; |
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157 |
} |
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|
158 |
|
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159 |
// Check that copy of length 0 is handled correctly |
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160 |
@Args(src=ArraySrc.ZERO, dst=ArrayDst.NEW) |
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161 |
static void m14(int[] src, int[] dest) { |
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162 |
System.arraycopy(src, 0, dest, 0, 0); |
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163 |
} |
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|
164 |
|
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165 |
// copyOf should compile to loads/stores |
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|
166 |
@Args(src=ArraySrc.SMALL) |
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167 |
static A[] m15() { |
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|
168 |
return Arrays.copyOf(small_a_src, 5, A[].class); |
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169 |
} |
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|
170 |
|
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171 |
static Object[] helper16(int i) { |
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|
172 |
Object[] arr = null; |
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|
173 |
if ((i%2) == 0) { |
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|
174 |
arr = small_a_src; |
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|
175 |
} else { |
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|
176 |
arr = small_object_src; |
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|
177 |
} |
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|
178 |
return arr; |
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|
179 |
} |
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|
180 |
|
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|
181 |
// CopyOf may need subtype check |
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|
182 |
@Args(src=ArraySrc.SMALL, dst=ArrayDst.NONE, extra_args={0}) |
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183 |
static A[] m16(A[] unused_src, int i) { |
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|
184 |
Object[] arr = helper16(i); |
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|
185 |
return Arrays.copyOf(arr, 5, A[].class); |
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|
186 |
} |
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|
187 |
|
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|
188 |
static Object[] helper17_1(int i) { |
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|
189 |
Object[] arr = null; |
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|
190 |
if ((i%2) == 0) { |
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|
191 |
arr = small_a_src; |
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|
192 |
} else { |
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|
193 |
arr = small_object_src; |
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|
194 |
} |
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|
195 |
return arr; |
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|
196 |
} |
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|
197 |
|
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|
198 |
static A[] helper17_2(Object[] arr) { |
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|
199 |
return Arrays.copyOf(arr, 5, A[].class); |
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|
200 |
} |
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|
201 |
|
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|
202 |
// CopyOf may leverage type speculation |
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|
203 |
@Args(src=ArraySrc.SMALL, dst=ArrayDst.NONE, extra_args={0}) |
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|
204 |
static A[] m17(A[] unused_src, int i) { |
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|
205 |
Object[] arr = helper17_1(i); |
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|
206 |
return helper17_2(arr); |
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|
207 |
} |
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|
208 |
|
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|
209 |
static Object[] helper18_1(int i) { |
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|
210 |
Object[] arr = null; |
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changeset
|
211 |
if ((i%2) == 0) { |
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changeset
|
212 |
arr = small_a_src; |
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|
213 |
} else { |
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|
214 |
arr = small_object_src; |
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diff
changeset
|
215 |
} |
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|
216 |
return arr; |
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changeset
|
217 |
} |
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|
218 |
|
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|
219 |
static Object[] helper18_2(Object[] arr) { |
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|
220 |
return Arrays.copyOf(arr, 5, Object[].class); |
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changeset
|
221 |
} |
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changeset
|
222 |
|
ef2be52deeaf
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|
223 |
// CopyOf should not attempt to use type speculation if it's not needed |
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|
224 |
@Args(src=ArraySrc.SMALL, dst=ArrayDst.NONE, extra_args={0}) |
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|
225 |
static Object[] m18(A[] unused_src, int i) { |
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|
226 |
Object[] arr = helper18_1(i); |
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|
227 |
return helper18_2(arr); |
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changeset
|
228 |
} |
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|
229 |
|
ef2be52deeaf
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|
230 |
static Object[] helper19(int i) { |
ef2be52deeaf
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|
231 |
Object[] arr = null; |
ef2be52deeaf
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changeset
|
232 |
if ((i%2) == 0) { |
ef2be52deeaf
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changeset
|
233 |
arr = small_a_src; |
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changeset
|
234 |
} else { |
ef2be52deeaf
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|
235 |
arr = small_object_src; |
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diff
changeset
|
236 |
} |
ef2be52deeaf
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changeset
|
237 |
return arr; |
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changeset
|
238 |
} |
ef2be52deeaf
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changeset
|
239 |
|
ef2be52deeaf
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changeset
|
240 |
// CopyOf may need subtype check. Test is run to make type check |
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|
241 |
// fail and cause deoptimization. Next compilation should not |
ef2be52deeaf
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changeset
|
242 |
// compile as loads/stores because the first compilation |
ef2be52deeaf
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changeset
|
243 |
// deoptimized. |
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|
244 |
@Args(src=ArraySrc.SMALL, dst=ArrayDst.NONE, extra_args={0}) |
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|
245 |
static A[] m19(A[] unused_src, int i) { |
ef2be52deeaf
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|
246 |
Object[] arr = helper19(i); |
ef2be52deeaf
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changeset
|
247 |
return Arrays.copyOf(arr, 5, A[].class); |
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|
248 |
} |
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changeset
|
249 |
|
ef2be52deeaf
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|
250 |
// copyOf for large array should not compile to loads/stores |
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|
251 |
@Args(src=ArraySrc.LARGE) |
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|
252 |
static A[] m20() { |
ef2be52deeaf
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|
253 |
return Arrays.copyOf(large_a_src, 10, A[].class); |
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|
254 |
} |
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|
255 |
|
ef2be52deeaf
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|
256 |
// check zero length copyOf is handled correctly |
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changeset
|
257 |
@Args(src=ArraySrc.ZERO) |
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|
258 |
static A[] m21() { |
ef2be52deeaf
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|
259 |
return Arrays.copyOf(zero_a_src, 0, A[].class); |
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|
260 |
} |
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|
261 |
|
ef2be52deeaf
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changeset
|
262 |
// Run with srcPos=0 for a 1st compile, then with incorrect value |
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changeset
|
263 |
// of srcPos to cause deoptimization, then with srcPos=0 for a 2nd |
ef2be52deeaf
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changeset
|
264 |
// compile. The 2nd compile shouldn't turn arraycopy into |
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6912521: System.arraycopy works slower than the simple loop for little lengths
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parents:
diff
changeset
|
265 |
// loads/stores because input arguments are no longer known to be |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
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diff
changeset
|
266 |
// valid. |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
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diff
changeset
|
267 |
@Args(src=ArraySrc.SMALL, dst=ArrayDst.NEW, extra_args={0}) |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
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parents:
diff
changeset
|
268 |
static void m22(int[] src, int[] dest, int srcPos) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
269 |
System.arraycopy(src, srcPos, dest, 0, 5); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
270 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
271 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
272 |
// copyOfRange should compile to loads/stores |
ef2be52deeaf
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parents:
diff
changeset
|
273 |
@Args(src=ArraySrc.SMALL) |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
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parents:
diff
changeset
|
274 |
static A[] m23() { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
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parents:
diff
changeset
|
275 |
return Arrays.copyOfRange(small_a_src, 1, 4, A[].class); |
ef2be52deeaf
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roland
parents:
diff
changeset
|
276 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
277 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
278 |
static boolean m23_check(A[] src, A[] dest) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
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parents:
diff
changeset
|
279 |
boolean failure = false; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
280 |
for (int i = 0; i < 3; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
281 |
if (src[i+1] != dest[i]) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
282 |
System.out.println("Test m23 failed for " + i + " src[" + (i+1) +"]=" + dest[i] + ", dest[" + i + "]=" + dest[i]); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
283 |
failure = true; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
284 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
285 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
286 |
return failure; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
287 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
288 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
289 |
// array copy should be compiled as loads/stores. Invoke then with |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
290 |
// incompatible array type to verify we don't allow a forbidden |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
291 |
// arraycopy to happen. |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
292 |
@Args(src=ArraySrc.SMALL) |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
293 |
static A[] m24(Object[] src) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
294 |
src[0] = src[0]; // force null check |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
295 |
A[] dest = new A[5]; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
296 |
System.arraycopy(src, 0, dest, 0, 5); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
297 |
return dest; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
298 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
299 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
300 |
// overlapping array region with unknown src/dest offsets but |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
301 |
// length 1: compiled code doesn't need both forward and backward |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
302 |
// copies |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
303 |
@Args(src=ArraySrc.SMALL, dst=ArrayDst.SRC, extra_args={0,1}) |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
304 |
static void m25(int[] src, int[] dest, int srcPos, int destPos) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
305 |
System.arraycopy(src, srcPos, dest, destPos, 1); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
306 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
307 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
308 |
static boolean m25_check(int[] src, int[] dest) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
309 |
boolean failure = false; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
310 |
if (dest[1] != src[0]) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
311 |
System.out.println("Test m10 failed for src[0]=" + src[0] + ", dest[1]=" + dest[1]); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
312 |
return true; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
313 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
314 |
return false; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
315 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
316 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
317 |
public static void main(String[] args) throws Exception { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
318 |
TestArrayCopyAsLoadsStores test = new TestArrayCopyAsLoadsStores(); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
319 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
320 |
test.doTest("m1"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
321 |
test.doTest("m2"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
322 |
test.doTest("m3"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
323 |
test.doTest("m4"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
324 |
test.doTest("m5"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
325 |
test.doTest("m6"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
326 |
test.doTest("m7"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
327 |
test.doTest("m8"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
328 |
test.doTest("m9"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
329 |
test.doTest("m10"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
330 |
test.doTest("m11"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
331 |
test.doTest("m12"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
332 |
test.doTest("m13"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
333 |
test.doTest("m14"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
334 |
test.doTest("m15"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
335 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
336 |
// make both branches of the If appear taken |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
337 |
for (int i = 0; i < 20000; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
338 |
helper16(i); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
339 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
340 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
341 |
test.doTest("m16"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
342 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
343 |
// load class B so type check in m17 would not be simple comparison |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
344 |
B b = new B(); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
345 |
// make both branches of the If appear taken |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
346 |
for (int i = 0; i < 20000; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
347 |
helper17_1(i); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
348 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
349 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
350 |
test.doTest("m17"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
351 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
352 |
// make both branches of the If appear taken |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
353 |
for (int i = 0; i < 20000; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
354 |
helper18_1(i); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
355 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
356 |
test.doTest("m18"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
357 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
358 |
// make both branches of the If appear taken |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
359 |
for (int i = 0; i < 20000; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
360 |
helper19(i); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
361 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
362 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
363 |
// Compile |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
364 |
for (int i = 0; i < 20000; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
365 |
m19(null, 0); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
366 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
367 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
368 |
// force deopt |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
369 |
boolean m19_exception = false; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
370 |
for (int i = 0; i < 10; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
371 |
try { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
372 |
m19(null, 1); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
373 |
} catch(ArrayStoreException ase) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
374 |
m19_exception = true; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
375 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
376 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
377 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
378 |
if (!m19_exception) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
379 |
System.out.println("Test m19: exception wasn't thrown"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
380 |
test.success = false; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
381 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
382 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
383 |
test.doTest("m19"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
384 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
385 |
test.doTest("m20"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
386 |
test.doTest("m21"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
387 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
388 |
// Compile |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
389 |
int[] dst = new int[small_int_src.length]; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
390 |
for (int i = 0; i < 20000; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
391 |
m22(small_int_src, dst, 0); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
392 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
393 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
394 |
// force deopt |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
395 |
for (int i = 0; i < 10; i++) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
396 |
try { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
397 |
m22(small_int_src, dst, 5); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
398 |
} catch(ArrayIndexOutOfBoundsException aioobe) {} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
399 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
400 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
401 |
test.doTest("m22"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
402 |
test.doTest("m23"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
403 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
404 |
test.doTest("m24"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
405 |
boolean m24_exception = false; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
406 |
try { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
407 |
m24(small_object_src); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
408 |
} catch(ArrayStoreException ase) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
409 |
m24_exception = true; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
410 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
411 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
412 |
if (!m24_exception) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
413 |
System.out.println("Test m24: exception wasn't thrown"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
414 |
test.success = false; |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
415 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
416 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
417 |
test.doTest("m25"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
418 |
|
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
419 |
if (!test.success) { |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
420 |
throw new RuntimeException("some tests failed"); |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
421 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
422 |
} |
ef2be52deeaf
6912521: System.arraycopy works slower than the simple loop for little lengths
roland
parents:
diff
changeset
|
423 |
} |