From e4f55f33f69fce85099dd5936cc74856aa1b453d Mon Sep 17 00:00:00 2001 From: Carmelo Amoroso Date: Tue, 9 Sep 2008 16:55:27 +0000 Subject: Add optimized memcpy implementation for sh4 (from Stuart Menefy @STMicroelectronics). This implementation is based on 'backward copying'. Signed-off-by: Carmelo Amoroso --- libc/string/Makefile.in | 31 ++++++++++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-) (limited to 'libc/string/Makefile.in') diff --git a/libc/string/Makefile.in b/libc/string/Makefile.in index 8931cc81a..2f14cc0e6 100644 --- a/libc/string/Makefile.in +++ b/libc/string/Makefile.in @@ -8,6 +8,18 @@ # # Arch specific fun # +# Collect the subarch specific implementation (asm files) +ifneq ($(strip $(TARGET_SUBARCH)),) +STRING_SUBARCH_DIR := $(top_srcdir)libc/string/$(TARGET_ARCH)/$(TARGET_SUBARCH) +STRING_SUBARCH_OUT := $(top_builddir)libc/string/$(TARGET_ARCH)/$(TARGET_SUBARCH) + +STRING_SUBARCH_SSRC := $(wildcard $(STRING_SUBARCH_OUT)/*.S) +STRING_SUBARCH_SOBJ := $(patsubst $(STRING_SUBARCH_DIR)/%.S,$(STRING_SUBARCH_OUT)/%.o,$(STRING_SUBARCH_SSRC)) + +STRING_SUBARCH_OBJS := $(STRING_SUBARCH_SOBJ) +endif + +# Collect the arch specific implementation (asm, c files) STRING_ARCH_DIR := $(top_srcdir)libc/string/$(TARGET_ARCH) STRING_ARCH_OUT := $(top_builddir)libc/string/$(TARGET_ARCH) @@ -15,13 +27,19 @@ STRING_ARCH_SRC := $(wildcard $(STRING_ARCH_DIR)/*.c) STRING_ARCH_OBJ := $(patsubst $(STRING_ARCH_DIR)/%.c,$(STRING_ARCH_OUT)/%.o,$(STRING_ARCH_SRC)) STRING_ARCH_SSRC := $(wildcard $(STRING_ARCH_DIR)/*.S) + +# Exclude the subarch implementation from the arch ones +ifneq ($(strip $(STRING_SUBARCH_OBJS)),) +STRING_ARCH_SSRC := $(filter-out $(patsubst %.o,$(STRING_ARCH_DIR)/%.S,$(notdir $(STRING_SUBARCH_OBJS))),$(STRING_ARCH_SSRC)) +endif + STRING_ARCH_SOBJ := $(patsubst $(STRING_ARCH_DIR)/%.S,$(STRING_ARCH_OUT)/%.o,$(STRING_ARCH_SSRC)) STRING_ARCH_OBJS := $(STRING_ARCH_OBJ) $(STRING_ARCH_SOBJ) -libc-$(UCLIBC_HAS_STRING_ARCH_OPT) += $(STRING_ARCH_OBJS) +libc-$(UCLIBC_HAS_STRING_ARCH_OPT) += $(STRING_ARCH_OBJS) $(STRING_SUBARCH_OBJS) -libc-nomulti-$(UCLIBC_HAS_STRING_ARCH_OPT) += $(STRING_ARCH_SOBJ) +libc-nomulti-$(UCLIBC_HAS_STRING_ARCH_OPT) += $(STRING_ARCH_SOBJ) $(STRING_SUBARCH_OBJS) # # Generic stuff @@ -30,11 +48,15 @@ STRING_GENERIC_DIR := $(top_srcdir)libc/string/generic STRING_GENERIC_OUT := $(top_builddir)libc/string/generic STRING_GENERIC_SRC := $(wildcard $(STRING_GENERIC_DIR)/*.c) +STRING_GENERIC_SRC := $(filter-out $(STRING_GENERIC_DIR)/_memcpy_fwd.c, $(STRING_GENERIC_SRC)) ifeq ($(UCLIBC_HAS_STRING_ARCH_OPT),y) ifneq ($(strip $(STRING_ARCH_OBJS)),) STRING_GENERIC_SRC := $(filter-out $(patsubst %.o,$(STRING_GENERIC_DIR)/%.c,$(notdir $(STRING_ARCH_OBJS))),$(STRING_GENERIC_SRC)) endif +ifneq ($(strip $(STRING_SUBARCH_OBJS)),) +STRING_GENERIC_SRC := $(filter-out $(patsubst %.o,$(STRING_GENERIC_DIR)/%.c,$(notdir $(STRING_SUBARCH_OBJS))),$(STRING_GENERIC_SRC)) +endif endif STRING_GENERIC_OBJS := $(patsubst $(STRING_GENERIC_DIR)/%.c,$(STRING_GENERIC_OUT)/%.o,$(STRING_GENERIC_SRC)) @@ -93,6 +115,9 @@ ifeq ($(UCLIBC_HAS_STRING_ARCH_OPT),y) ifneq ($(strip $(STRING_ARCH_OBJS)),) STRING_CSRC := $(filter-out $(patsubst %.o,$(STRING_DIR)/%.c,$(notdir $(STRING_ARCH_OBJS))),$(STRING_CSRC)) endif +ifneq ($(strip $(STRING_SUBARCH_OBJS)),) +STRING_CSRC := $(filter-out $(patsubst %.o,$(STRING_DIR)/%.c,$(notdir $(STRING_SUBARCH_OBJS))),$(STRING_CSRC)) +endif endif ifeq ($(UCLIBC_HAS_STRING_GENERIC_OPT),y) @@ -111,4 +136,4 @@ libc-nomulti-y += $(STRING_OUT)/__xpg_strerror_r.o objclean-y += string_objclean string_objclean: - $(RM) $(STRING_OUT)/{,*/}*.{o,os} + $(RM) $(STRING_OUT)/{,*/}{,*/}*.{o,os,oS} -- cgit v1.2.3