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make/hotspot/lib/JvmOverrideFiles.gmk
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@ rev 51626 : 8210425: [x86] sharedRuntimeTrig/sharedRuntimeTrans compiled without optimization
| Summary: Compile with -O2 and -ffp-contract=off as for fdlibm.
| Reviewed-by: erikj, lucy, aph
o rev 51625 : 8210703: vmStructs.cpp compiled with -O0
| Reviewed-by: duke
~
@@ -36,25 +36,31 @@
BUILD_LIBJVM_assembler_x86.cpp_CXXFLAGS := -Wno-maybe-uninitialized
BUILD_LIBJVM_cardTableBarrierSetAssembler_x86.cpp_CXXFLAGS := -Wno-maybe-uninitialized
BUILD_LIBJVM_interp_masm_x86.cpp_CXXFLAGS := -Wno-uninitialized
endif
+LIBJVM_FDLIBM_COPY_OPT_FLAG := $(CXX_O_FLAG_NONE)
+# If the FDLIBM_CFLAGS variable is non-empty we know
+# that the fdlibm-fork in hotspot can get optimized
+# by using -ffp-contract=off on GCC/Clang platforms.
+ifneq ($(FDLIBM_CFLAGS), )
+ LIBJVM_FDLIBM_COPY_OPT_FLAG := $(CXX_O_FLAG_NORM)
+endif
+
ifeq ($(OPENJDK_TARGET_OS), linux)
BUILD_LIBJVM_ostream.cpp_CXXFLAGS := -D_FILE_OFFSET_BITS=64
BUILD_LIBJVM_logFileOutput.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)
+ BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := -DNO_PCH $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
+ BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := -DNO_PCH $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
ifeq ($(TOOLCHAIN_TYPE), clang)
JVM_PRECOMPILED_HEADER_EXCLUDE := \
sharedRuntimeTrig.cpp \
sharedRuntimeTrans.cpp \
#
endif
- endif
ifeq ($(OPENJDK_TARGET_CPU), x86)
# Performance measurements show that by compiling GC related code, we could
# significantly reduce the GC pause time on 32 bit Linux/Unix platforms by
# compiling without the PIC flag (-fPIC on linux).
@@ -118,12 +124,12 @@
# Workaround for jvmciCompilerToVM.cpp long compilation time
BUILD_LIBJVM_jvmciCompilerToVMInit.cpp_OPTIMIZATION := NONE
else ifeq ($(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)
+ BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
+ BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
ifeq ($(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)
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