Assembly coded android_memset16 and android_memset32 (d7a29522) · Commits · e / os / android_system_core

libcutils/Android.mk

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	@@ -112,12 +112,17 @@ LOCAL_MODULE := libcutils
	LOCAL_SRC_FILES := $(commonSources) ashmem-dev.c mq.c		LOCAL_SRC_FILES := $(commonSources) ashmem-dev.c mq.c

	ifeq ($(TARGET_ARCH),arm)		ifeq ($(TARGET_ARCH),arm)
	LOCAL_SRC_FILES += memset32.S		LOCAL_SRC_FILES += arch-arm/memset32.S
	else # !arm		else # !arm
	ifeq ($(TARGET_ARCH),sh)		ifeq ($(TARGET_ARCH),sh)
	LOCAL_SRC_FILES += memory.c atomic-android-sh.c		LOCAL_SRC_FILES += memory.c atomic-android-sh.c
	else # !sh		else # !sh
			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
	LOCAL_SRC_FILES += memory.c		LOCAL_SRC_FILES += memory.c
			endif # !x86-atom
	endif # !sh		endif # !sh
	endif # !arm		endif # !arm

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File moved.

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			/*
			* Copyright (C) 2010 The Android Open Source Project
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/
			/*
			* Contributed by: Intel Corporation
			*/

			#if defined(USE_SSE2)

			# include "cache_wrapper.S"
			# undef __i686
			# define USE_AS_ANDROID
			# define sse2_memset16_atom android_memset16
			# include "sse2-memset16-atom.S"

			#else

			# include "memset16.S"

			#endif

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			/*
			* Copyright (C) 2010 The Android Open Source Project
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/
			/*
			* Contributed by: Intel Corporation
			*/

			#if defined(USE_SSE2)

			# include "cache_wrapper.S"
			# undef __i686
			# define USE_AS_ANDROID
			# define sse2_memset32_atom android_memset32
			# include "sse2-memset32-atom.S"

			#else

			# include "memset32.S"

			#endif

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			/*
			* Copyright (C) 2010 The Android Open Source Project
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/
			/*
			* Contributed by: Intel Corporation
			*/

			/* Values are optimized for Atom */
			#define SHARED_CACHE_SIZE (5121024) / Atom L2 Cache */
			#define DATA_CACHE_SIZE (241024) / Atom L1 Data Cache */
			#define SHARED_CACHE_SIZE_HALF (SHARED_CACHE_SIZE / 2)
			#define DATA_CACHE_SIZE_HALF (DATA_CACHE_SIZE / 2)