openjdk-21/Backport-JDK-8320682-[AArch64]-C1-compilation-fails-.patch
2024-12-06 18:49:00 +08:00

110 lines
4.2 KiB
Diff
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

Subject: Backport of JDK-8320682[AArch64] C1 compilation fails with "Field too big for insn"
---
src/hotspot/share/c1/c1_globals.hpp | 6 +-
.../compiler/arguments/TestC1Globals.java | 67 +++++++++++++++++++
2 files changed, 71 insertions(+), 2 deletions(-)
create mode 100644 test/hotspot/jtreg/compiler/arguments/TestC1Globals.java
diff --git a/src/hotspot/share/c1/c1_globals.hpp b/src/hotspot/share/c1/c1_globals.hpp
index 1c22cf16c..3ef4bbc2d 100644
--- a/src/hotspot/share/c1/c1_globals.hpp
+++ b/src/hotspot/share/c1/c1_globals.hpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2000, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2023, 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
@@ -275,9 +275,11 @@
develop(bool, InstallMethods, true, \
"Install methods at the end of successful compilations") \
\
+ /* The compiler assumes, in many places, that methods are at most 1MB. */ \
+ /* Therefore, we restrict this flag to at most 1MB. */ \
develop(intx, NMethodSizeLimit, (64*K)*wordSize, \
"Maximum size of a compiled method.") \
- range(0, max_jint) \
+ range(0, 1*M) \
\
develop(bool, TraceFPUStack, false, \
"Trace emulation of the FPU stack (intel only)") \
diff --git a/test/hotspot/jtreg/compiler/arguments/TestC1Globals.java b/test/hotspot/jtreg/compiler/arguments/TestC1Globals.java
new file mode 100644
index 000000000..fbb4951d9
--- /dev/null
+++ b/test/hotspot/jtreg/compiler/arguments/TestC1Globals.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2023, 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
+ * 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 8316653
+ * @requires vm.debug
+ * @summary Test flag with max value.
+ *
+ * @run main/othervm -XX:NMethodSizeLimit=1M
+ * compiler.arguments.TestC1Globals
+ */
+
+/**
+ * @test
+ * @bug 8318817
+ * @requires vm.debug
+ * @requires os.family == "linux"
+ * @summary Test flag with max value combined with transparent huge pages on
+ * Linux.
+ *
+ * @run main/othervm -XX:NMethodSizeLimit=1M
+ * -XX:+UseTransparentHugePages
+ * compiler.arguments.TestC1Globals
+ */
+
+/**
+ * @test
+ * @bug 8320682
+ * @requires vm.debug
+ * @summary Test flag with max value and specific compilation.
+ *
+ * @run main/othervm -XX:NMethodSizeLimit=1M
+ * -XX:CompileOnly=java.util.HashMap::putMapEntries
+ * -Xcomp
+ * compiler.arguments.TestC1Globals
+ *
+ */
+
+ package compiler.arguments;
+
+ public class TestC1Globals {
+
+ public static void main(String args[]) {
+ System.out.println("Passed");
+ }
+ }
\ No newline at end of file
--
2.33.0