# HG changeset patch
# User huangjia
# Date 1574667408 -28800
# Node ID 122547cfa3c898712c5bea7a81e2410095ffeb8e
# Parent  a9a6cc2af3e8103d20fc8e6c4bbec61317c5dbeb
#11080 Backport testcase of JDK-8207838 compiler/floatingpoint/TestFloatSyncJNIArgs.java
Reviewed-by: aoqi
Contributed-by: guoge1@huawei.com, huangjia

diff -r a9a6cc2af3e8 -r 122547cfa3c8 test/mips64/11080/TestFloatSyncJNIArgs.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/mips64/11080/TestFloatSyncJNIArgs.java	Mon Nov 25 15:36:48 2019 +0800
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2015, 2019, SAP SE. All rights reserved.
+ * Copyright (c) 2018, 2019, Red Hat, 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.
+ */
+
+public class TestFloatSyncJNIArgs {
+    static {
+        try {
+            System.loadLibrary("TestFloatSyncJNIArgs");
+        } catch (UnsatisfiedLinkError e) {
+            System.out.println("could not load native lib: " + e);
+        }
+    }
+
+    private static final int numberOfThreads = 8;
+
+    static volatile Error testFailed = null;
+
+    public synchronized static native float combine15floats(
+        float f1, float f2, float f3, float f4,
+        float f5, float f6, float f7, float f8,
+        float f9, float f10, float f11, float f12,
+        float f13, float f14, float f15);
+
+    public synchronized static native double combine15doubles(
+        double d1, double d2, double d3, double d4,
+        double d5, double d6, double d7, double d8,
+        double d9, double d10, double d11, double d12,
+        double d13, double d14, double d15);
+
+    static void test() throws Exception {
+        Thread[] threads = new Thread[numberOfThreads];
+
+        for (int i = 0; i < numberOfThreads; i++) {
+            threads[i] = new Thread(() -> {
+                for (int j = 0; j < 10000; j++) {
+                    float f = combine15floats(1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f,
+                                              9, 10, 11, 12, 13, 14, 15);
+                    if (f != 81720.0f) {
+                        testFailed = new Error("jni function didn't combine 15 float args properly: " + f);
+                        throw testFailed;
+                    }
+                }
+            });
+        }
+        for (int i = 0; i < numberOfThreads; i++) {
+            threads[i].start();
+        }
+        for (int i = 0; i < numberOfThreads; i++) {
+            threads[i].join();
+        }
+        if (testFailed != null) {
+            throw testFailed;
+        }
+
+        for (int i = 0; i < numberOfThreads; i++) {
+            threads[i] = new Thread(() -> {
+                for (int j = 0; j < 10000; j++) {
+                    double d = combine15doubles(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0,
+                                                9, 10, 11, 12, 13, 14, 15);
+                    if (d != 81720.0) {
+                        testFailed = new Error("jni function didn't combine 15 double args properly: " + d);
+                        throw testFailed;
+                    }
+                }
+            });
+        }
+        for (int i = 0; i < numberOfThreads; i++) {
+            threads[i].start();
+        }
+        for (int i = 0; i < numberOfThreads; i++) {
+            threads[i].join();
+        }
+        if (testFailed != null) {
+            throw testFailed;
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        for (int i = 0; i < 200; ++i) {
+            test();
+        }
+    }
+}
diff -r a9a6cc2af3e8 -r 122547cfa3c8 test/mips64/11080/libTestFloatSyncJNIArgs.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/mips64/11080/libTestFloatSyncJNIArgs.c	Mon Nov 25 15:36:48 2019 +0800
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2018, 2019, Red Hat, 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.
+ */
+
+#include <jni.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Fletcher checksum. This is a nonlinear function which detects both */
+/* missing or otherwise incorrect arguments and arguments in the wrong */
+/* order. */
+static jfloat fcombine(jfloat f[], int len) {
+  int i;
+  jfloat sum = 0, sum_of_sums = 0;
+  for (i = 0; i < len; i++) {
+    sum += f[i];
+    sum_of_sums += sum;
+  }
+  return sum + sum_of_sums * sum;
+}
+
+static jdouble combine(jdouble f[], int len) {
+  int i;
+  double sum = 0, sum_of_sums = 0;
+  for (i = 0; i < len; i++) {
+    sum += f[i];
+    sum_of_sums += sum;
+  }
+  return sum + sum_of_sums * sum;
+}
+
+JNIEXPORT jfloat JNICALL Java_TestFloatSyncJNIArgs_combine15floats
+  (JNIEnv *env, jclass cls,
+   jfloat  f1, jfloat  f2, jfloat  f3, jfloat  f4,
+   jfloat  f5, jfloat  f6, jfloat  f7, jfloat  f8,
+   jfloat  f9, jfloat f10, jfloat f11, jfloat f12,
+   jfloat f13, jfloat f14, jfloat f15) {
+
+  jfloat f[15];
+  f[0] = f1; f[1] = f2; f[2] = f3; f[3] = f4; f[4] = f5;
+  f[5] = f6; f[6] = f7; f[7] = f8; f[8] = f9; f[9] = f10;
+  f[10] = f11; f[11] = f12; f[12] = f13; f[13] = f14; f[14] = f15;
+
+  return fcombine(f, sizeof f / sizeof f[0]);
+}
+
+JNIEXPORT jdouble JNICALL Java_TestFloatSyncJNIArgs_combine15doubles
+  (JNIEnv *env, jclass cls,
+   jdouble  f1, jdouble  f2, jdouble  f3, jdouble  f4,
+   jdouble  f5, jdouble  f6, jdouble  f7, jdouble  f8,
+   jdouble  f9, jdouble f10, jdouble f11, jdouble f12,
+   jdouble f13, jdouble f14, jdouble f15) {
+
+  jdouble f[15];
+  f[0] = f1; f[1] = f2; f[2] = f3; f[3] = f4; f[4] = f5;
+  f[5] = f6; f[6] = f7; f[7] = f8; f[8] = f9; f[9] = f10;
+  f[10] = f11; f[11] = f12; f[12] = f13; f[13] = f14; f[14] = f15;
+
+  return combine(f, sizeof f / sizeof f[0]);
+}
+
+
+#ifdef __cplusplus
+}
+#endif
diff -r a9a6cc2af3e8 -r 122547cfa3c8 test/mips64/11080/test.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/mips64/11080/test.sh	Mon Nov 25 15:36:48 2019 +0800
@@ -0,0 +1,74 @@
+#!/bin/bash
+
+#
+#  Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
+#  Copyright (c) 2019, Loongson Technology. 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 test.sh
+## @bug 8207838
+## @summary Regression test for passing float args to a synchronized jni function.
+## @run shell test.sh
+##
+
+if [ "${TESTSRC}" = "" ]
+then
+  TESTSRC=${PWD}
+  echo "TESTSRC not set.  Using "${TESTSRC}" as default"
+fi
+echo "TESTSRC=${TESTSRC}"
+## Adding common setup Variables for running shell tests.
+. ${TESTSRC}/../../test_env.sh
+
+# set platform-dependent variables
+OS=`uname -s`
+echo "Testing on " $OS
+case "$OS" in
+  Linux)
+    cc_cmd=`which gcc`
+    if [ "x$cc_cmd" == "x" ]; then
+        echo "WARNING: gcc not found. Cannot execute test." 2>&1
+        exit 0;
+    fi
+    ;;
+  *)
+    echo "Test passed; only valid for Linux"
+    exit 0;
+    ;;
+esac
+
+THIS_DIR=.
+
+cp ${TESTSRC}${FS}TestFloatSyncJNIArgs.java ${THIS_DIR}
+${TESTJAVA}${FS}bin${FS}javac TestFloatSyncJNIArgs.java
+
+$cc_cmd -fPIC -shared \
+   -o libTestFloatSyncJNIArgs.so \
+   -I${TESTJAVA}${FS}include \
+   -I${TESTJAVA}${FS}include${FS}linux \
+   ${TESTSRC}${FS}libTestFloatSyncJNIArgs.c
+
+${TESTJAVA}${FS}bin${FS}java \
+   -Djava.library.path=${THIS_DIR} TestFloatSyncJNIArgs
+
+exit $?