Deleted unused patch jdk8210416-rh1632174-compile_fdlibm_with_o2_ffp_contract_off_on_gcc_clang_arches.patch

This commit is contained in:
pmikova 2019-04-04 11:51:50 +02:00
parent 30796d51fa
commit 5dcc96ae54

View File

@ -1,51 +0,0 @@
# HG changeset patch
# User sgehwolf
# Date 1536142767 -7200
# Wed Sep 05 12:19:27 2018 +0200
# Node ID 7ea57274e55054579d1532e757edb21e67beed83
# Parent 3ee91722550680c18b977f0e00b1013323b5c9ef
8210416: [linux] Poor StrictMath performance due to non-optimized compilation
Summary: Compile fdlibm with -O2 -ffp-contract=off on gcc/clang arches.
Reviewed-by: aph, erikj, dholmes, darcy
diff --git a/make/lib/CoreLibraries.gmk b/make/lib/CoreLibraries.gmk
--- a/make/lib/CoreLibraries.gmk
+++ b/make/lib/CoreLibraries.gmk
@@ -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 ($(OPENJDK_TARGET_CPU), aarch64)
- BUILD_LIBFDLIBM_OPTIMIZATION := HIGH
- endif
+# If FDLIBM_CFLAGS is non-empty we know that we can optimize
+# fdlibm by adding those extra C flags. Currently GCC,
+# and clang only.
+ifneq ($(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, \
DISABLED_WARNINGS_microsoft := 4146 4244 4018, \
ARFLAGS := $(ARFLAGS), \