--- a/make/lib/CoreLibraries.gmk Mon Sep 17 11:49:20 2018 +0200
+++ b/make/lib/CoreLibraries.gmk Mon Sep 17 10:53:56 2018 +0200
@@ -39,20 +39,15 @@
BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
endif
-ifeq ($(OPENJDK_TARGET_OS), linux)
- ifeq ($(OPENJDK_TARGET_CPU), ppc64)
- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
- else ifeq ($(OPENJDK_TARGET_CPU), ppc64le)
- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
- else ifeq ($(OPENJDK_TARGET_CPU), s390x)
- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
- else ifeq ($(OPENJDK_TARGET_CPU), aarch64)
- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
- endif
+# If FDLIBM_CFLAGS is non-empty we know that we can optimize
+# fdlibm when adding those extra C flags. Currently GCC,
+# and clang only.
+ifneq ($(FDLIBM_CFLAGS), )
+ BUILD_LIBFDLIBM_OPTIMIZATION := LOW
endif
LIBFDLIBM_SRC := $(TOPDIR)/src/java.base/share/native/libfdlibm
-LIBFDLIBM_CFLAGS := -I$(LIBFDLIBM_SRC)
+LIBFDLIBM_CFLAGS := -I$(LIBFDLIBM_SRC) $(FDLIBM_CFLAGS)
ifneq ($(OPENJDK_TARGET_OS), macosx)
$(eval $(call SetupNativeCompilation, BUILD_LIBFDLIBM, \
@@ -64,10 +59,6 @@
CFLAGS := $(CFLAGS_JDKLIB) $(LIBFDLIBM_CFLAGS), \
CFLAGS_windows_debug := -DLOGGING, \
CFLAGS_aix := -qfloat=nomaf, \
- CFLAGS_linux_ppc64 := -ffp-contract=off, \
- CFLAGS_linux_ppc64le := -ffp-contract=off, \
- CFLAGS_linux_s390x := -ffp-contract=off, \
- CFLAGS_linux_aarch64 := -ffp-contract=off, \
DISABLED_WARNINGS_gcc := sign-compare misleading-indentation array-bounds, \
DISABLED_WARNINGS_microsoft := 4146 4244 4018, \
ARFLAGS := $(ARFLAGS), \