Added missing patches
This commit is contained in:
Jiri
parent
3653068eb6
commit
262cece223
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# HG changeset patch
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# User sgehwolf
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# Date 1536142767 -7200
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# Wed Sep 05 12:19:27 2018 +0200
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# Node ID 7ea57274e55054579d1532e757edb21e67beed83
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# Parent 3ee91722550680c18b977f0e00b1013323b5c9ef
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8210416: [linux] Poor StrictMath performance due to non-optimized compilation
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Summary: Compile fdlibm with -O2 -ffp-contract=off on gcc/clang arches.
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Reviewed-by: aph, erikj, dholmes, darcy
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diff --git a/make/autoconf/flags-cflags.m4 b/make/autoconf/flags-cflags.m4
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--- a/make/autoconf/flags-cflags.m4
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+++ b/make/autoconf/flags-cflags.m4
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@@ -373,6 +373,18 @@
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FLAGS_SETUP_CFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
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+ COMPILER_FP_CONTRACT_OFF_FLAG="-ffp-contract=off"
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+ # Check that the compiler supports -ffp-contract=off flag
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+ # Set FDLIBM_CFLAGS to -ffp-contract=off if it does. Empty
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+ # otherwise.
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+ # These flags are required for GCC-based builds of
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+ # fdlibm with optimization without losing precision.
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+ # Notably, -ffp-contract=off needs to be added for GCC >= 4.6.
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+ FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_FP_CONTRACT_OFF_FLAG}],
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+ IF_TRUE: [FDLIBM_CFLAGS=${COMPILER_FP_CONTRACT_OFF_FLAG}],
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+ IF_FALSE: [FDLIBM_CFLAGS=""])
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+ AC_SUBST(FDLIBM_CFLAGS)
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+
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# Tests are only ever compiled for TARGET
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CFLAGS_TESTLIB="$CFLAGS_JDKLIB"
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CXXFLAGS_TESTLIB="$CXXFLAGS_JDKLIB"
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diff --git a/make/autoconf/spec.gmk.in b/make/autoconf/spec.gmk.in
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--- a/make/autoconf/spec.gmk.in
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+++ b/make/autoconf/spec.gmk.in
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@@ -450,6 +450,7 @@
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LIBJSIG_HASHSTYLE_LDFLAGS := @LIBJSIG_HASHSTYLE_LDFLAGS@
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LIBJSIG_NOEXECSTACK_LDFLAGS := @LIBJSIG_NOEXECSTACK_LDFLAGS@
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+FDLIBM_CFLAGS := @FDLIBM_CFLAGS@
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JVM_CFLAGS := @JVM_CFLAGS@
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JVM_LDFLAGS := @JVM_LDFLAGS@
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JVM_ASFLAGS := @JVM_ASFLAGS@
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diff --git a/make/lib/CoreLibraries.gmk b/make/lib/CoreLibraries.gmk
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--- a/make/lib/CoreLibraries.gmk
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+++ b/make/lib/CoreLibraries.gmk
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@@ -39,20 +39,15 @@
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BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
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endif
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-ifeq ($(OPENJDK_TARGET_OS), linux)
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- ifeq ($(OPENJDK_TARGET_CPU), ppc64)
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- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
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- else ifeq ($(OPENJDK_TARGET_CPU), ppc64le)
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- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
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- else ifeq ($(OPENJDK_TARGET_CPU), s390x)
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- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
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- else ifeq ($(OPENJDK_TARGET_CPU), aarch64)
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- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
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- endif
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+# If FDLIBM_CFLAGS is non-empty we know that we can optimize
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+# fdlibm by adding those extra C flags. Currently GCC,
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+# and clang only.
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+ifneq ($(FDLIBM_CFLAGS), )
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+ BUILD_LIBFDLIBM_OPTIMIZATION := LOW
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endif
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LIBFDLIBM_SRC := $(TOPDIR)/src/java.base/share/native/libfdlibm
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-LIBFDLIBM_CFLAGS := -I$(LIBFDLIBM_SRC)
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+LIBFDLIBM_CFLAGS := -I$(LIBFDLIBM_SRC) $(FDLIBM_CFLAGS)
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ifneq ($(OPENJDK_TARGET_OS), macosx)
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$(eval $(call SetupNativeCompilation, BUILD_LIBFDLIBM, \
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@@ -64,10 +59,6 @@
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CFLAGS := $(CFLAGS_JDKLIB) $(LIBFDLIBM_CFLAGS), \
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CFLAGS_windows_debug := -DLOGGING, \
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CFLAGS_aix := -qfloat=nomaf, \
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- CFLAGS_linux_ppc64 := -ffp-contract=off, \
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- CFLAGS_linux_ppc64le := -ffp-contract=off, \
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- CFLAGS_linux_s390x := -ffp-contract=off, \
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- CFLAGS_linux_aarch64 := -ffp-contract=off, \
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DISABLED_WARNINGS_gcc := sign-compare misleading-indentation, \
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DISABLED_WARNINGS_microsoft := 4146 4244 4018, \
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ARFLAGS := $(ARFLAGS), \
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@ -0,0 +1,48 @@
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# HG changeset patch
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# User sgehwolf
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# Date 1536682731 -7200
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# Tue Sep 11 18:18:51 2018 +0200
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# Node ID 7157249fdd4366d95dd68f3d083ebb0ef84c753b
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# Parent 8d86b149e10f0a0896e5fd4d8d407e5fda64a529
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8210425: [x86] sharedRuntimeTrig/sharedRuntimeTrans compiled without optimization
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Reviewed-by: duke
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diff --git a/make/hotspot/lib/JvmOverrideFiles.gmk b/make/hotspot/lib/JvmOverrideFiles.gmk
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--- a/make/hotspot/lib/JvmOverrideFiles.gmk
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+++ b/make/hotspot/lib/JvmOverrideFiles.gmk
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@@ -41,20 +41,26 @@
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BUILD_LIBJVM_shenandoahTraversalGC.cpp_CXXFLAGS := --param inline-unit-growth=1000
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endif
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+LIBJVM_FDLIBM_COPY_OPT_FLAG := $(CXX_O_FLAG_NONE)
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+# If the FDLIBM_CFLAGS variable is non-empty we know
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+# that the fdlibm-fork in hotspot can get optimized
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+# by using -ffp-contract=off on GCC/Clang platforms.
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+ifneq ($(FDLIBM_CFLAGS), )
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+ LIBJVM_FDLIBM_COPY_OPT_FLAG := $(CXX_O_FLAG_NORM)
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+endif
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+
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ifeq ($(OPENJDK_TARGET_OS), linux)
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BUILD_LIBJVM_ostream.cpp_CXXFLAGS := -D_FILE_OFFSET_BITS=64
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BUILD_LIBJVM_logFileOutput.cpp_CXXFLAGS := -D_FILE_OFFSET_BITS=64
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- ifeq ($(OPENJDK_TARGET_CPU_ARCH), x86)
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- BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := -DNO_PCH $(CXX_O_FLAG_NONE)
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- BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := -DNO_PCH $(CXX_O_FLAG_NONE)
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+ BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := -DNO_PCH $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
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+ BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := -DNO_PCH $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
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- ifeq ($(TOOLCHAIN_TYPE), clang)
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- JVM_PRECOMPILED_HEADER_EXCLUDE := \
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- sharedRuntimeTrig.cpp \
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- sharedRuntimeTrans.cpp \
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- #
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- endif
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+ ifeq ($(TOOLCHAIN_TYPE), clang)
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+ JVM_PRECOMPILED_HEADER_EXCLUDE := \
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+ sharedRuntimeTrig.cpp \
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+ sharedRuntimeTrans.cpp \
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+ #
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endif
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ifeq ($(OPENJDK_TARGET_CPU), x86)
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@ -0,0 +1,21 @@
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# HG changeset patch
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# User sgehwolf
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# Date 1536751862 -7200
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# Wed Sep 12 13:31:02 2018 +0200
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# Node ID f95c6746fe256fe0456e0ea0d2930631ef840286
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# Parent 7157249fdd4366d95dd68f3d083ebb0ef84c753b
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8210647: libsaproc is being compiled without optimization
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Reviewed-by: duke
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diff --git a/make/lib/Lib-jdk.hotspot.agent.gmk b/make/lib/Lib-jdk.hotspot.agent.gmk
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--- a/make/lib/Lib-jdk.hotspot.agent.gmk
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+++ b/make/lib/Lib-jdk.hotspot.agent.gmk
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@@ -52,7 +52,7 @@
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$(eval $(call SetupJdkLibrary, BUILD_LIBSA, \
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NAME := saproc, \
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- OPTIMIZATION := NONE, \
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+ OPTIMIZATION := LOW, \
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DISABLED_WARNINGS_microsoft := 4267, \
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DISABLED_WARNINGS_gcc := sign-compare, \
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DISABLED_WARNINGS_CXX_solstudio := truncwarn unknownpragma, \
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@ -0,0 +1,21 @@
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# HG changeset patch
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# User sgehwolf
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# Date 1536829660 -7200
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# Thu Sep 13 11:07:40 2018 +0200
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# Node ID 39ccca116f79139fc4b779f5df83cb32357b9ae9
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# Parent 7512bd28304cf0dc5676247990f1907162c719ca
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8210703: vmStructs.cpp compiled with -O0
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Reviewed-by: duke
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diff --git a/make/hotspot/lib/JvmOverrideFiles.gmk b/make/hotspot/lib/JvmOverrideFiles.gmk
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--- a/make/hotspot/lib/JvmOverrideFiles.gmk
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+++ b/make/hotspot/lib/JvmOverrideFiles.gmk
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@@ -30,7 +30,7 @@
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# status for individual files on specific platforms.
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ifeq ($(TOOLCHAIN_TYPE), gcc)
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- BUILD_LIBJVM_vmStructs.cpp_CXXFLAGS := -fno-var-tracking-assignments -O0
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+ BUILD_LIBJVM_vmStructs.cpp_CXXFLAGS := -fno-var-tracking-assignments
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BUILD_LIBJVM_jvmciCompilerToVM.cpp_CXXFLAGS := -fno-var-tracking-assignments
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BUILD_LIBJVM_jvmciCompilerToVMInit.cpp_CXXFLAGS := -fno-var-tracking-assignments
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BUILD_LIBJVM_assembler_x86.cpp_CXXFLAGS := -Wno-maybe-uninitialized
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