--- a/src/hotspot/cpu/arm/vm_version_arm_32.cpp Mon Jun 18 20:50:23 2018 -0400
+++ b/src/hotspot/cpu/arm/vm_version_arm_32.cpp Mon Jun 18 22:43:38 2018 -0400
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2018, 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
@@ -104,6 +104,18 @@
extern "C" address check_vfp_fault_instr;
extern "C" address check_simd_fault_instr;
+void VM_Version::early_initialize() {
+
+ // Make sure that _arm_arch is initialized so that any calls to OrderAccess will
+ // use proper dmb instruction
+ get_os_cpu_info();
+
+ _kuser_helper_version = *(int*)KUSER_HELPER_VERSION_ADDR;
+ // armv7 has the ldrexd instruction that can be used to implement cx8
+ // armv5 with linux >= 3.1 can use kernel helper routine
+ _supports_cx8 = (supports_ldrexd() || supports_kuser_cmpxchg64());
+}
+
void VM_Version::initialize() {
ResourceMark rm;
@@ -216,10 +228,6 @@
FLAG_SET_DEFAULT(UseVectorizedMismatchIntrinsic, false);
}
- get_os_cpu_info();
-
- _kuser_helper_version = *(int*)KUSER_HELPER_VERSION_ADDR;
-
#ifdef COMPILER2
// C2 is only supported on v7+ VFP at this time
if (_arm_arch < 7 || !has_vfp()) {
@@ -227,9 +235,6 @@
}
#endif
- // armv7 has the ldrexd instruction that can be used to implement cx8
- // armv5 with linux >= 3.1 can use kernel helper routine
- _supports_cx8 = (supports_ldrexd() || supports_kuser_cmpxchg64());
// ARM doesn't have special instructions for these but ldrex/ldrexd
// enable shorter instruction sequences that the ones based on cas.
_supports_atomic_getset4 = supports_ldrex();
--- a/src/hotspot/os_cpu/linux_arm/vm_version_linux_arm_32.cpp Mon Jun 18 20:50:23 2018 -0400
+++ b/src/hotspot/os_cpu/linux_arm/vm_version_linux_arm_32.cpp Mon Jun 18 22:43:38 2018 -0400
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2018, 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
@@ -46,8 +46,3 @@
}
}
-// Make sure that _arm_arch is initialized so that any calls to OrderAccess will
-// use proper dmb instruction
-void VM_Version::early_initialize() {
- get_os_cpu_info();
-}