am aa3c74d1: am 57d9cebb: Merge "Remove useless x86 fallbacks."

* commit 'aa3c74d175634ab2222ee5a771b01e7434093dbf':
  Remove useless x86 fallbacks.

libc/Android.mk

@@ -580,26 +580,7 @@ ifeq ($(TARGET_ARCH),arm)
   libc_common_cflags += -DSOFTFLOAT
   libc_common_cflags += -fstrict-aliasing
   libc_crt_target_cflags := -mthumb-interwork
-endif # !arm
+endif # arm
-
-ifeq ($(TARGET_ARCH),x86)
-  libc_crt_target_cflags := -m32
-  libc_crt_target_ldflags := -melf_i386
-endif
-ifeq ($(TARGET_ARCH),x86_64)
-  libc_crt_target_cflags := -m64
-  libc_crt_target_ldflags := -melf_x86_64
-endif
-
-ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),x86 x86_64))
-  libc_common_cflags += -DSOFTFLOAT
-  ifeq ($(ARCH_X86_HAVE_SSE2),true)
-      libc_crt_target_cflags += -DUSE_SSE2=1
-  endif
-  ifeq ($(ARCH_X86_HAVE_SSSE3),true)
-      libc_crt_target_cflags += -DUSE_SSSE3=1
-  endif
-endif
 
 ifeq ($(TARGET_ARCH),mips)
   ifneq ($(ARCH_MIPS_HAS_FPU),true)
@@ -609,6 +590,18 @@ ifeq ($(TARGET_ARCH),mips)
   libc_crt_target_cflags := $(TARGET_GLOBAL_CFLAGS)
 endif # mips
 
+ifeq ($(TARGET_ARCH),x86)
+  libc_common_cflags += -DSOFTFLOAT
+  libc_crt_target_cflags := -m32
+  libc_crt_target_ldflags := -melf_i386
+endif # x86
+
+ifeq ($(TARGET_ARCH),x86_64)
+  libc_common_cflags += -DSOFTFLOAT
+  libc_crt_target_cflags := -m64
+  libc_crt_target_ldflags := -melf_x86_64
+endif # x86_64
+
 # Define ANDROID_SMP appropriately.
 ifeq ($(TARGET_CPU_SMP),true)
     libc_common_cflags += -DANDROID_SMP=1

libc/arch-x86/string/bzero.S

@@ -1,44 +0,0 @@
-/*	$OpenBSD: bzero.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
-/*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Public domain.
- */
-
-#include <machine/asm.h>
-
-ENTRY(bzero)
-	pushl	%edi
-	movl	8(%esp),%edi
-	movl	12(%esp),%edx
-
-	cld				/* set fill direction forward */
-	xorl	%eax,%eax		/* set fill data to 0 */
-
-	/*
-	 * if the string is too short, it's really not worth the overhead
-	 * of aligning to word boundries, etc.  So we jump to a plain
-	 * unaligned set.
-	 */
-	cmpl	$16,%edx
-	jb	L1
-
-	movl	%edi,%ecx		/* compute misalignment */
-	negl	%ecx
-	andl	$3,%ecx
-	subl	%ecx,%edx
-	rep				/* zero until word aligned */
-	stosb
-
-	movl	%edx,%ecx		/* zero by words */
-	shrl	$2,%ecx
-	andl	$3,%edx
-	rep
-	stosl
-
-L1:	movl	%edx,%ecx		/* zero remainder by bytes */
-	rep
-	stosb
-
-	popl	%edi
-	ret
-END(bzero)

libc/arch-x86/string/memset.S

@@ -1,56 +0,0 @@
-/*	$OpenBSD: memset.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
-/*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Public domain.
- */
-
-#include <machine/asm.h>
-
-ENTRY(memset)
-	pushl	%edi
-	pushl	%ebx
-	movl	12(%esp),%edi
-	movzbl	16(%esp),%eax		/* unsigned char, zero extend */
-	movl	20(%esp),%ecx
-	pushl	%edi			/* push address of buffer */
-
-	cld				/* set fill direction forward */
-
-	/*
-	 * if the string is too short, it's really not worth the overhead
-	 * of aligning to word boundries, etc.  So we jump to a plain
-	 * unaligned set.
-	 */
-	cmpl	$0x0f,%ecx
-	jle	L1
-
-	movb	%al,%ah			/* copy char to all bytes in word */
-	movl	%eax,%edx
-	sall	$16,%eax
-	orl	%edx,%eax
-
-	movl	%edi,%edx		/* compute misalignment */
-	negl	%edx
-	andl	$3,%edx
-	movl	%ecx,%ebx
-	subl	%edx,%ebx
-
-	movl	%edx,%ecx		/* set until word aligned */
-	rep
-	stosb
-
-	movl	%ebx,%ecx
-	shrl	$2,%ecx			/* set by words */
-	rep
-	stosl
-
-	movl	%ebx,%ecx		/* set remainder by bytes */
-	andl	$3,%ecx
-L1:	rep
-	stosb
-
-	popl	%eax			/* pop address of buffer */
-	popl	%ebx
-	popl	%edi
-	ret
-END(memset)

libc/arch-x86/string/strlen.S

@@ -1,21 +0,0 @@
-/*	$OpenBSD: strlen.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
-/*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Public domain.
- */
-
-#include <machine/asm.h>
-
-ENTRY(strlen)
-	pushl	%edi
-	movl	8(%esp),%edi		/* string address */
-	cld				/* set search forward */
-	xorl	%eax,%eax		/* set search for null terminator */
-	movl	$-1,%ecx		/* set search for lots of characters */
-	repne				/* search! */
-	scasb
-	notl	%ecx			/* get length by taking	complement */
-	leal	-1(%ecx),%eax		/* and subtracting one */
-	popl	%edi
-	ret
-END(strlen)

libc/arch-x86/x86.mk

@@ -50,7 +50,6 @@ _LIBC_ARCH_COMMON_SRC_FILES += \
 	upstream-freebsd/lib/libc/string/wmemcmp.c
 endif
 
-ifeq ($(ARCH_X86_HAVE_SSE2),true)
 _LIBC_ARCH_COMMON_SRC_FILES += \
 	arch-x86/string/sse2-memset-atom.S \
 	arch-x86/string/sse2-bzero-atom.S \
@@ -64,23 +63,7 @@ _LIBC_ARCH_COMMON_SRC_FILES += \
 	arch-x86/string/sse2-wcschr-atom.S \
 	arch-x86/string/sse2-wcsrchr-atom.S \
 	arch-x86/string/sse2-wcslen-atom.S \
-	arch-x86/string/sse2-wcscmp-atom.S
+	arch-x86/string/sse2-wcscmp-atom.S \
-else
-_LIBC_ARCH_COMMON_SRC_FILES += \
-	arch-x86/string/memset.S \
-	arch-x86/string/strlen.S \
-	arch-x86/string/bzero.S \
-	bionic/memrchr.c \
-	bionic/memchr.c \
-	bionic/strchr.cpp \
-	string/strrchr.c \
-	string/index.c \
-	bionic/strnlen.c \
-	upstream-freebsd/lib/libc/string/wcschr.c \
-	upstream-freebsd/lib/libc/string/wcsrchr.c \
-	upstream-freebsd/lib/libc/string/wcslen.c \
-	upstream-freebsd/lib/libc/string/wcscmp.c
-endif
 
 _LIBC_ARCH_STATIC_SRC_FILES := \
     bionic/dl_iterate_phdr_static.c \