From 51546ee32c22426aa85f2ee7cc2e8df7d774e385 Mon Sep 17 00:00:00 2001 From: Daniel Leung Date: Thu, 24 May 2012 16:54:49 -0700 Subject: [PATCH] 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 Signed-off-by: Andrew Boie --- libcutils/Android.mk | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) diff --git a/libcutils/Android.mk b/libcutils/Android.mk index 503770563..57fc02191 100644 --- a/libcutils/Android.mk +++ b/libcutils/Android.mk @@ -125,18 +125,22 @@ LOCAL_SRC_FILES := $(commonSources) \ uevent.c ifeq ($(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)