1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2024, 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.
*/
/**
* @test
* @bug 8321010
* @summary Test intrinsic for Math.round(float) in full 32 bits range
*
* @library /test/lib /
* @modules java.base/jdk.internal.math
* @requires os.arch == "riscv64"
* @run main/othervm -XX:-TieredCompilation -Xbatch -XX:CompileThresholdScaling=0.3 -XX:-UseSuperWord
* -XX:CompileCommand=compileonly,compiler.floatingpoint.TestRoundFloatAll::test*
* compiler.floatingpoint.TestRoundFloatAll
*/
package compiler.floatingpoint;
import static compiler.lib.golden.GoldenRound.golden_round;
public class TestRoundFloatAll {
public static void main(String args[]) {
test();
}
// return true when test fails
static boolean test(int n, float f) {
int actual = Math.round(f);
int expected = golden_round(f);
if (actual != expected) {
System.err.println("round error, input: " + f + ", res: " + actual + "expected: " + expected + ", input hex: " + n);
return true;
}
return false;
}
static void test() {
final int ITERS = 11000;
boolean fail = false;
// Warmup
System.out.println("Warmup");
for (int i=0; i<ITERS; i++) {
float f = Float.intBitsToFloat(i);
fail |= test(i, f);
}
if (fail) {
throw new RuntimeException("Warmup failed");
}
// Test and verify results
System.out.println("Verification");
int testInt = 0;
do {
float testFloat = Float.intBitsToFloat(testInt);
fail |= test(testInt, testFloat);
} while (++testInt != 0);
if (fail) {
throw new RuntimeException("Test failed");
}
}
}
|
