Use SSE2 enhanced memset for capable x86 processors
Originally, if TARGET_ARCH_VARIANT is x86-atom, the SSE2 enhanced
memset is used. This patch extends this to all x86 processors which
support SSE2 (i.e. ARCH_X86_HAVE_SSE2 is true).
Indentation added to the ifeq cases to make this easier to read.
Change-Id: I05f49e237a95359d3f2e3216b037e3fc1a0fbcb0
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
diff --git a/libcutils/Android.mk b/libcutils/Android.mk
index 5037705..57fc021 100644
--- a/libcutils/Android.mk
+++ b/libcutils/Android.mk
@@ -125,18 +125,22 @@
uevent.c
ifeq ($(TARGET_ARCH),arm)
-LOCAL_SRC_FILES += arch-arm/memset32.S
+ LOCAL_SRC_FILES += arch-arm/memset32.S
else # !arm
-ifeq ($(TARGET_ARCH_VARIANT),x86-atom)
-LOCAL_CFLAGS += -DHAVE_MEMSET16 -DHAVE_MEMSET32
-LOCAL_SRC_FILES += arch-x86/android_memset16.S arch-x86/android_memset32.S memory.c
-else # !x86-atom
-ifeq ($(TARGET_ARCH),mips)
-LOCAL_SRC_FILES += arch-mips/android_memset.c
-else # !mips
-LOCAL_SRC_FILES += memory.c
-endif # !mips
-endif # !x86-atom
+ ifeq ($(TARGET_ARCH),x86)
+ ifeq ($(ARCH_X86_HAVE_SSE2),true)
+ LOCAL_CFLAGS += -DHAVE_MEMSET16 -DHAVE_MEMSET32 -DUSE_SSE2
+ LOCAL_SRC_FILES += arch-x86/android_memset16.S arch-x86/android_memset32.S memory.c
+ else # !ARCH_X86_HAVE_SSE2
+ LOCAL_SRC_FILES += memory.c
+ endif # !ARCH_X86_HAVE_SSE2
+ else # !x86
+ ifeq ($(TARGET_ARCH),mips)
+ LOCAL_SRC_FILES += arch-mips/android_memset.c
+ else # !mips
+ LOCAL_SRC_FILES += memory.c
+ endif # !mips
+ endif # !x86
endif # !arm
LOCAL_C_INCLUDES := $(libcutils_c_includes) $(KERNEL_HEADERS)