| # |
| # Copyright (c) 2013, 2016, 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. Oracle designates this |
| # particular file as subject to the "Classpath" exception as provided |
| # by Oracle in the LICENSE file that accompanied this code. |
| # |
| # 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. |
| # |
| |
| $(eval $(call IncludeCustomExtension, hotspot, lib/JvmOverrideFiles.gmk)) |
| |
| ################################################################################ |
| # This file contains explicit overrides of CFLAGS and/or precompiled header |
| # status for individual files on specific platforms. |
| |
| ifeq ($(TOOLCHAIN_TYPE), gcc) |
| BUILD_LIBJVM_vmStructs.cpp_CXXFLAGS := -fno-var-tracking-assignments -O0 |
| endif |
| |
| ifeq ($(OPENJDK_TARGET_OS), linux) |
| BUILD_LIBJVM_ostream.cpp_CXXFLAGS := -D_FILE_OFFSET_BITS=64 |
| |
| ifeq ($(OPENJDK_TARGET_CPU_ARCH), x86) |
| BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := -DNO_PCH $(CXX_O_FLAG_NONE) |
| BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := -DNO_PCH $(CXX_O_FLAG_NONE) |
| |
| ifeq ($(TOOLCHAIN_TYPE), clang) |
| JVM_PRECOMPILED_HEADER_EXCLUDE := \ |
| sharedRuntimeTrig.cpp \ |
| sharedRuntimeTrans.cpp \ |
| # |
| endif |
| endif |
| |
| ifeq ($(OPENJDK_TARGET_CPU), x86) |
| # Performance measurements show that by compiling GC related code, we could |
| # significantly reduce the GC pause time on 32 bit Linux/Unix platforms by |
| # compiling without the PIC flag (-fPIC on linux). |
| # See 6454213 for more details. |
| ALL_SRC := $(filter %.cpp, $(call CacheFind, $(HOTSPOT_TOPDIR)/src/share/vm)) |
| NONPIC_FILTER := $(addsuffix %, $(addprefix $(HOTSPOT_TOPDIR)/src/share/vm/, \ |
| memory oops gc)) |
| # Due to what looks like a bug in the old build implementation of this, add a |
| # couple of more files that were accidentally matched as substrings of GC related |
| # files. |
| NONPIC_SRC := $(filter $(NONPIC_FILTER), $(ALL_SRC)) globals.cpp location.cpp |
| # Declare variables for each source file that needs the pic flag like this: |
| # BUILD_JVM_<srcfile>_CXXFLAGS := -fno-PIC |
| # This will get implicitly picked up by SetupNativeCompilation below. |
| $(foreach s, $(NONPIC_SRC), $(eval BUILD_LIBJVM_$(notdir $s)_CXXFLAGS := -fno-PIC)) |
| endif |
| |
| else ifeq ($(OPENJDK_TARGET_OS), solaris) |
| ifneq ($(DEBUG_LEVEL), slowdebug) |
| # Workaround for a bug in dtrace. If ciEnv::post_compiled_method_load_event() |
| # is inlined, the resulting dtrace object file needs a reference to this |
| # function, whose symbol name is too long for dtrace. So disable inlining |
| # for this method for now. (fix this when dtrace bug 6258412 is fixed) |
| BUILD_LIBJVM_ciEnv.cpp_CXXFLAGS := \ |
| -xinline=no%__1cFciEnvbFpost_compiled_method_load_event6MpnHnmethod__v_ |
| # dtrace cannot handle tail call optimization (6672627, 6693876) |
| BUILD_LIBJVM_jni.cpp_CXXFLAGS := -Qoption ube -O~yz |
| BUILD_LIBJVM_stubGenerator_$(HOTSPOT_TARGET_CPU).cpp_CXXFLAGS := -xspace |
| |
| ifeq ($(OPENJDK_TARGET_CPU), x86_64) |
| # Temporary until SS10 C++ compiler is fixed |
| BUILD_LIBJVM_generateOptoStub.cpp_CXXFLAGS := -xO2 |
| # Temporary util SS12u1 C++ compiler is fixed |
| BUILD_LIBJVM_c1_LinearScan.cpp_CXXFLAGS := -xO2 |
| endif |
| endif |
| |
| # Need extra inlining to get oop_ps_push_contents functions to perform well enough. |
| ifeq ($(DEBUG_LEVEL),release) |
| BUILD_LIBJVM_psPromotionManager.cpp_CXXFLAGS := -W2,-Ainline:inc=1000 |
| endif |
| |
| ifeq ($(DEBUG_LEVEL), fastdebug) |
| # this hangs in iropt now (7113504) |
| BUILD_LIBJVM_compileBroker.cpp_CXXFLAGS := -xO2 |
| |
| # Frame size > 100k if we allow inlining via -g0! |
| BUILD_LIBJVM_bytecodeInterpreter.cpp_CXXFLAGS := +d |
| BUILD_LIBJVM_bytecodeInterpreterWithChecks.cpp_CXXFLAGS := +d |
| |
| ifeq ($(OPENJDK_TARGET_CPU_ARCH), x86) |
| # ube explodes on x86 |
| BUILD_LIBJVM_bytecodeInterpreter.cpp_CXXFLAGS += -xO1 |
| BUILD_LIBJVM_bytecodeInterpreterWithChecks.cpp_CXXFLAGS += -xO1 |
| endif |
| |
| endif |
| |
| else ifeq ($(OPENJDK_TARGET_OS), macosx) |
| # The copied fdlibm routines in these files must not be optimized |
| BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := $(CXX_O_FLAG_NONE) |
| BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := $(CXX_O_FLAG_NONE) |
| ifeq ($(TOOLCHAIN_TYPE), clang) |
| # NOTE: The old build tested clang version to make sure this workaround |
| # for the clang bug was still needed. |
| BUILD_LIBJVM_loopTransform.cpp_CXXFLAGS := $(CXX_O_FLAG_NONE) |
| ifneq ($(DEBUG_LEVEL), slowdebug) |
| BUILD_LIBJVM_unsafe.cpp_CXXFLAGS := -O1 |
| endif |
| |
| # The following files are compiled at various optimization |
| # levels due to optimization issues encountered at the |
| # default level. The Clang compiler issues a compile |
| # time error if there is an optimization level specification |
| # skew between the PCH file and the C++ file. Especially if the |
| # PCH file is compiled at a higher optimization level than |
| # the C++ file. One solution might be to prepare extra optimization |
| # level specific PCH files for the opt build and use them here, but |
| # it's probably not worth the effort as long as only a few files |
| # need this special handling. |
| JVM_PRECOMPILED_HEADER_EXCLUDE := \ |
| sharedRuntimeTrig.cpp \ |
| sharedRuntimeTrans.cpp \ |
| loopTransform.cpp \ |
| unsafe.cpp \ |
| jvmciCompilerToVM.cpp \ |
| # |
| endif |
| |
| else ifeq ($(OPENJDK_TARGET_OS), aix) |
| BUILD_LIBJVM_synchronizer.cpp_CXXFLAGS := -qnoinline |
| BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := $(CXX_O_FLAG_NONE) |
| # Disable aggressive optimizations for functions in sharedRuntimeTrig.cpp |
| # and sharedRuntimeTrans.cpp on ppc64. |
| # -qstrict turns off the following optimizations: |
| # * Performing code motion and scheduling on computations such as loads |
| # and floating-point computations that may trigger an exception. |
| # * Relaxing conformance to IEEE rules. |
| # * Reassociating floating-point expressions. |
| # When using '-qstrict' there still remains one problem |
| # in javasoft.sqe.tests.api.java.lang.Math.sin5Tests when run in compile-all |
| # mode, so don't optimize sharedRuntimeTrig.cpp at all. |
| BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := $(CXX_O_FLAG_NONE) |
| |
| # Disable ELF decoder on AIX (AIX uses XCOFF). |
| JVM_EXCLUDE_PATTERNS += elf |
| |
| else ifeq ($(OPENJDK_TARGET_OS), windows) |
| JVM_PRECOMPILED_HEADER_EXCLUDE := \ |
| bytecodeInterpreter.cpp \ |
| bytecodeInterpreterWithChecks.cpp \ |
| opcodes.cpp \ |
| os_windows.cpp \ |
| os_windows_x86.cpp \ |
| osThread_windows.cpp \ |
| # |
| endif |