libc: simplify ssse3 detection

Since ssse3 is required as part of Android's ABI, even for 32-bit x86
(https://developer.android.com/ndk/guides/abis#sa), we can simplify
these ifuncs away.

Bug: 358360849
Test: mma
Change-Id: Ife68c7f492cc1b179aa332c12ab35b2ad6b9795a
diff --git a/libc/Android.bp b/libc/Android.bp
index 30e201a..8ff5fff 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1181,16 +1181,6 @@
                 "arch-x86/bionic/__x86.get_pc_thunk.S",
 
                 "arch-x86/generic/string/memcmp.S",
-                "arch-x86/generic/string/strcmp.S",
-                "arch-x86/generic/string/strncmp.S",
-                "arch-x86/generic/string/strcat.S",
-
-                "arch-x86/generic/string/strlcat.c",
-                "arch-x86/generic/string/strlcpy.c",
-                "arch-x86/generic/string/strncat.c",
-                "arch-x86/generic/string/wcscat.c",
-                "arch-x86/generic/string/wcscpy.c",
-                "arch-x86/generic/string/wmemcmp.c",
 
                 "arch-x86/string/sse2-memchr-atom.S",
                 "arch-x86/string/sse2-memmove-slm.S",
diff --git a/libc/arch-x86/dynamic_function_dispatch.cpp b/libc/arch-x86/dynamic_function_dispatch.cpp
index 9d7a4c9..e6cc5fb 100644
--- a/libc/arch-x86/dynamic_function_dispatch.cpp
+++ b/libc/arch-x86/dynamic_function_dispatch.cpp
@@ -84,89 +84,11 @@
 }
 STRLEN_SHIM()
 
-DEFINE_IFUNC_FOR(strcmp) {
-  __builtin_cpu_init();
-  // TODO: ssse3 is required by our x86 abi!
-  if (__builtin_cpu_supports("ssse3")) RETURN_FUNC(strcmp_func_t, strcmp_ssse3);
-  RETURN_FUNC(strcmp_func_t, strcmp_generic);
-}
-STRCMP_SHIM()
-
-DEFINE_IFUNC_FOR(strncmp) {
-  __builtin_cpu_init();
-  // TODO: ssse3 is required by our x86 abi!
-  if (__builtin_cpu_supports("ssse3"))
-    RETURN_FUNC(strncmp_func_t, strncmp_ssse3);
-  RETURN_FUNC(strncmp_func_t, strncmp_generic);
-}
-STRNCMP_SHIM()
-
-DEFINE_IFUNC_FOR(strcat) {
-  __builtin_cpu_init();
-  // TODO: ssse3 is required by our x86 abi!
-  if (__builtin_cpu_supports("ssse3")) RETURN_FUNC(strcat_func_t, strcat_ssse3);
-  RETURN_FUNC(strcat_func_t, strcat_generic);
-}
-STRCAT_SHIM()
-
-DEFINE_IFUNC_FOR(strncat) {
-  __builtin_cpu_init();
-  // TODO: ssse3 is required by our x86 abi!
-  if (__builtin_cpu_supports("ssse3")) RETURN_FUNC(strncat_func_t, strncat_ssse3);
-  RETURN_FUNC(strncat_func_t, strncat_openbsd);
-}
-STRNCAT_SHIM()
-
-typedef size_t strlcat_func_t(char*, const char*, size_t);
-DEFINE_IFUNC_FOR(strlcat) {
-  __builtin_cpu_init();
-  // TODO: ssse3 is required by our x86 abi!
-  if (__builtin_cpu_supports("ssse3")) RETURN_FUNC(strlcat_func_t, strlcat_ssse3);
-  RETURN_FUNC(strlcat_func_t, strlcat_openbsd);
-}
-DEFINE_STATIC_SHIM(size_t strlcat(char* dst, const char* src, size_t n) {
-  FORWARD(strlcat)(dst, src, n);
-})
-
-typedef size_t strlcpy_func_t(char*, const char*, size_t);
-DEFINE_IFUNC_FOR(strlcpy) {
-  __builtin_cpu_init();
-  // TODO: ssse3 is required by our x86 abi!
-  if (__builtin_cpu_supports("ssse3")) RETURN_FUNC(strlcpy_func_t, strlcpy_ssse3);
-  RETURN_FUNC(strlcpy_func_t, strlcpy_openbsd);
-}
-DEFINE_STATIC_SHIM(size_t strlcpy(char* dst, const char* src, size_t n) {
-  FORWARD(strlcpy)(dst, src, n);
-})
-
-typedef wchar_t* wcscat_func_t(wchar_t*, const wchar_t*);
-DEFINE_IFUNC_FOR(wcscat) {
-  __builtin_cpu_init();
-  // TODO: ssse3 is required by our x86 abi!
-  if (__builtin_cpu_supports("ssse3")) RETURN_FUNC(wcscat_func_t, wcscat_ssse3);
-  RETURN_FUNC(wcscat_func_t, wcscat_freebsd);
-}
-DEFINE_STATIC_SHIM(wchar_t* wcscat(wchar_t* dst, const wchar_t* src) {
-  FORWARD(wcscat)(dst, src);
-})
-
-typedef wchar_t* wcscpy_func_t(wchar_t*, const wchar_t*);
-DEFINE_IFUNC_FOR(wcscpy) {
-  __builtin_cpu_init();
-  // TODO: ssse3 is required by our x86 abi!
-  if (__builtin_cpu_supports("ssse3")) RETURN_FUNC(wcscpy_func_t, wcscpy_ssse3);
-  RETURN_FUNC(wcscpy_func_t, wcscpy_freebsd);
-}
-DEFINE_STATIC_SHIM(wchar_t* wcscpy(wchar_t* dst, const wchar_t* src) {
-  FORWARD(wcscpy)(dst, src);
-})
-
 typedef int wmemcmp_func_t(const wchar_t*, const wchar_t*, size_t);
 DEFINE_IFUNC_FOR(wmemcmp) {
   __builtin_cpu_init();
   if (__builtin_cpu_supports("sse4.1")) RETURN_FUNC(wmemcmp_func_t, wmemcmp_sse4);
-  if (__builtin_cpu_is("atom")) RETURN_FUNC(wmemcmp_func_t, wmemcmp_atom);
-  RETURN_FUNC(wmemcmp_func_t, wmemcmp_freebsd);
+  RETURN_FUNC(wmemcmp_func_t, wmemcmp_atom);
 }
 DEFINE_STATIC_SHIM(int wmemcmp(const wchar_t* lhs, const wchar_t* rhs, size_t n) {
   FORWARD(wmemcmp)(lhs, rhs, n);
diff --git a/libc/arch-x86/generic/string/strcat.S b/libc/arch-x86/generic/string/strcat.S
deleted file mode 100644
index e2e9623..0000000
--- a/libc/arch-x86/generic/string/strcat.S
+++ /dev/null
@@ -1,74 +0,0 @@
-/*	$OpenBSD: strcat.S,v 1.8 2005/08/07 11:30:38 espie Exp $ */
-/*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Public domain.
- */
-
-#include <private/bionic_asm.h>
-
-#if defined(APIWARN)
-#APP
-	.section .gnu.warning.strcat
-	.ascii "warning: strcat() is almost always misused, please use strlcat()"
-#NO_APP
-#endif
-
-/*
- * NOTE: I've unrolled the loop eight times: large enough to make a
- * significant difference, and small enough not to totally trash the
- * cache.
- */
-
-ENTRY(strcat_generic)
-	pushl	%edi			/* save edi */
-	movl	8(%esp),%edi		/* dst address */
-	movl	12(%esp),%edx		/* src address */
-	pushl	%edi			/* push destination 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
-
-	leal	-1(%edi),%ecx		/* correct dst address */
-
-	.align 2,0x90
-L1:	movb	(%edx),%al		/* unroll loop, but not too much */
-	movb	%al,(%ecx)
-	testb	%al,%al
-	jz	L2
-	movb	1(%edx),%al
-	movb	%al,1(%ecx)
-	testb	%al,%al
-	jz	L2
-	movb	2(%edx),%al
-	movb	%al,2(%ecx)
-	testb	%al,%al
-	jz	L2
-	movb	3(%edx),%al
-	movb	%al,3(%ecx)
-	testb	%al,%al
-	jz	L2
-	movb	4(%edx),%al
-	movb	%al,4(%ecx)
-	testb	%al,%al
-	jz	L2
-	movb	5(%edx),%al
-	movb	%al,5(%ecx)
-	testb	%al,%al
-	jz	L2
-	movb	6(%edx),%al
-	movb	%al,6(%ecx)
-	testb	%al,%al
-	jz	L2
-	movb	7(%edx),%al
-	movb	%al,7(%ecx)
-	addl	$8,%edx
-	addl	$8,%ecx
-	testb	%al,%al
-	jnz	L1
-L2:	popl	%eax			/* pop destination address */
-	popl	%edi			/* restore edi */
-	ret
-END(strcat_generic)
diff --git a/libc/arch-x86/generic/string/strcmp.S b/libc/arch-x86/generic/string/strcmp.S
deleted file mode 100644
index 7b003e8..0000000
--- a/libc/arch-x86/generic/string/strcmp.S
+++ /dev/null
@@ -1,82 +0,0 @@
-/*	$OpenBSD: strcmp.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
-/*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Public domain.
- */
-
-#include <private/bionic_asm.h>
-
-/*
- * NOTE: I've unrolled the loop eight times: large enough to make a
- * significant difference, and small enough not to totally trash the
- * cache.
- */
-
-ENTRY(strcmp_generic)
-	movl	0x04(%esp),%eax
-	movl	0x08(%esp),%edx
-	jmp	L2			/* Jump into the loop! */
-
-	.align	2,0x90
-L1:	incl	%eax
-	incl	%edx
-L2:	movb	(%eax),%cl
-	testb	%cl,%cl			/* null terminator??? */
-	jz	L3
-	cmpb	%cl,(%edx)		/* chars match??? */
-	jne	L3
-	incl	%eax
-	incl	%edx
-	movb	(%eax),%cl
-	testb	%cl,%cl
-	jz	L3
-	cmpb	%cl,(%edx)
-	jne	L3
-	incl	%eax
-	incl	%edx
-	movb	(%eax),%cl
-	testb	%cl,%cl
-	jz	L3
-	cmpb	%cl,(%edx)
-	jne	L3
-	incl	%eax
-	incl	%edx
-	movb	(%eax),%cl
-	testb	%cl,%cl
-	jz	L3
-	cmpb	%cl,(%edx)
-	jne	L3
-	incl	%eax
-	incl	%edx
-	movb	(%eax),%cl
-	testb	%cl,%cl
-	jz	L3
-	cmpb	%cl,(%edx)
-	jne	L3
-	incl	%eax
-	incl	%edx
-	movb	(%eax),%cl
-	testb	%cl,%cl
-	jz	L3
-	cmpb	%cl,(%edx)
-	jne	L3
-	incl	%eax
-	incl	%edx
-	movb	(%eax),%cl
-	testb	%cl,%cl
-	jz	L3
-	cmpb	%cl,(%edx)
-	jne	L3
-	incl	%eax
-	incl	%edx
-	movb	(%eax),%cl
-	testb	%cl,%cl
-	jz	L3
-	cmpb	%cl,(%edx)
-	je	L1
-	.align 2, 0x90
-L3:	movzbl	(%eax),%eax		/* unsigned comparison */
-	movzbl	(%edx),%edx
-	subl	%edx,%eax
-	ret
-END(strcmp_generic)
diff --git a/libc/arch-x86/generic/string/strlcat.c b/libc/arch-x86/generic/string/strlcat.c
deleted file mode 100644
index 95c34a3..0000000
--- a/libc/arch-x86/generic/string/strlcat.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <upstream-openbsd/android/include/openbsd-compat.h>
-
-#define strlcat strlcat_openbsd
-#include <upstream-openbsd/lib/libc/string/strlcat.c>
diff --git a/libc/arch-x86/generic/string/strlcpy.c b/libc/arch-x86/generic/string/strlcpy.c
deleted file mode 100644
index 8d4047c..0000000
--- a/libc/arch-x86/generic/string/strlcpy.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <upstream-openbsd/android/include/openbsd-compat.h>
-
-#define strlcpy strlcpy_openbsd
-#include <upstream-openbsd/lib/libc/string/strlcpy.c>
diff --git a/libc/arch-x86/generic/string/strncat.c b/libc/arch-x86/generic/string/strncat.c
deleted file mode 100644
index 687e560..0000000
--- a/libc/arch-x86/generic/string/strncat.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <upstream-openbsd/android/include/openbsd-compat.h>
-
-#define strncat strncat_openbsd
-#include <upstream-openbsd/lib/libc/string/strncat.c>
diff --git a/libc/arch-x86/generic/string/strncmp.S b/libc/arch-x86/generic/string/strncmp.S
deleted file mode 100644
index 6d9f23c..0000000
--- a/libc/arch-x86/generic/string/strncmp.S
+++ /dev/null
@@ -1,114 +0,0 @@
-/*	$OpenBSD: strncmp.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
-/*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Public domain.
- */
-
-#include <private/bionic_asm.h>
-
-/*
- * NOTE: I've unrolled the loop eight times: large enough to make a
- * significant difference, and small enough not to totally trash the
- * cache.
- */
-
-ENTRY(strncmp_generic)
-	pushl	%ebx
-	movl	8(%esp),%eax
-	movl	12(%esp),%ecx
-	movl	16(%esp),%edx
-	testl	%edx,%edx
-	jmp	L2			/* Jump into the loop! */
-
-	.align 2,0x90
-L1:	incl	%eax
-	incl	%ecx
-	decl	%edx
-L2:	jz	L4			/* strings are equal */
-	movb	(%eax),%bl
-	testb	%bl,%bl
-	jz	L3
-	cmpb	%bl,(%ecx)
-	jne	L3
-
-	incl	%eax
-	incl	%ecx
-	decl	%edx
-	jz	L4
-	movb	(%eax),%bl
-	testb	%bl,%bl
-	jz	L3
-	cmpb	%bl,(%ecx)
-	jne	L3
-
-	incl	%eax
-	incl	%ecx
-	decl	%edx
-	jz	L4
-	movb	(%eax),%bl
-	testb	%bl,%bl
-	jz	L3
-	cmpb	%bl,(%ecx)
-	jne	L3
-
-	incl	%eax
-	incl	%ecx
-	decl	%edx
-	jz	L4
-	movb	(%eax),%bl
-	testb	%bl,%bl
-	jz	L3
-	cmpb	%bl,(%ecx)
-	jne	L3
-
-	incl	%eax
-	incl	%ecx
-	decl	%edx
-	jz	L4
-	movb	(%eax),%bl
-	testb	%bl,%bl
-	jz	L3
-	cmpb	%bl,(%ecx)
-	jne	L3
-
-	incl	%eax
-	incl	%ecx
-	decl	%edx
-	jz	L4
-	movb	(%eax),%bl
-	testb	%bl,%bl
-	jz	L3
-	cmpb	%bl,(%ecx)
-	jne	L3
-
-	incl	%eax
-	incl	%ecx
-	decl	%edx
-	jz	L4
-	movb	(%eax),%bl
-	testb	%bl,%bl
-	jz	L3
-	cmpb	%bl,(%ecx)
-	jne	L3
-
-	incl	%eax
-	incl	%ecx
-	decl	%edx
-	jz	L4
-	movb	(%eax),%bl
-	testb	%bl,%bl
-	jz	L3
-	cmpb	%bl,(%ecx)
-	je	L1
-
-	.align 2,0x90
-L3:	movzbl	(%eax),%eax		/* unsigned comparision */
-	movzbl	(%ecx),%ecx
-	subl	%ecx,%eax
-	popl	%ebx
-	ret
-	.align 2,0x90
-L4:	xorl	%eax,%eax
-	popl	%ebx
-	ret
-END(strncmp_generic)
diff --git a/libc/arch-x86/generic/string/wcscat.c b/libc/arch-x86/generic/string/wcscat.c
deleted file mode 100644
index a102551..0000000
--- a/libc/arch-x86/generic/string/wcscat.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#define wcscat wcscat_freebsd
-#include <upstream-freebsd/lib/libc/string/wcscat.c>
diff --git a/libc/arch-x86/generic/string/wcscpy.c b/libc/arch-x86/generic/string/wcscpy.c
deleted file mode 100644
index 10fb66d..0000000
--- a/libc/arch-x86/generic/string/wcscpy.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#define wcscpy wcscpy_freebsd
-#include <upstream-freebsd/lib/libc/string/wcscpy.c>
diff --git a/libc/arch-x86/generic/string/wmemcmp.c b/libc/arch-x86/generic/string/wmemcmp.c
deleted file mode 100644
index 9d5e929..0000000
--- a/libc/arch-x86/generic/string/wmemcmp.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#define wmemcmp wmemcmp_freebsd
-#include <upstream-freebsd/lib/libc/string/wmemcmp.c>
diff --git a/libc/arch-x86/string/ssse3-strcat-atom.S b/libc/arch-x86/string/ssse3-strcat-atom.S
index 8d8e89d..b851d9e 100644
--- a/libc/arch-x86/string/ssse3-strcat-atom.S
+++ b/libc/arch-x86/string/ssse3-strcat-atom.S
@@ -87,7 +87,7 @@
 #define POP(REG)	popl REG; CFI_POP (REG)
 
 #ifndef STRCAT
-# define STRCAT	strcat_ssse3
+# define STRCAT	strcat
 #endif
 
 #define PARMS	4
diff --git a/libc/arch-x86/string/ssse3-strcmp-atom.S b/libc/arch-x86/string/ssse3-strcmp-atom.S
index 08f6d4a..ee253b9 100644
--- a/libc/arch-x86/string/ssse3-strcmp-atom.S
+++ b/libc/arch-x86/string/ssse3-strcmp-atom.S
@@ -108,7 +108,7 @@
 #endif
 
 #ifndef STRCMP
-# define STRCMP strcmp_ssse3
+# define STRCMP strcmp
 #endif
 
 	.section .text.ssse3,"ax",@progbits
diff --git a/libc/arch-x86/string/ssse3-strlcat-atom.S b/libc/arch-x86/string/ssse3-strlcat-atom.S
index 055b489..daaf254 100644
--- a/libc/arch-x86/string/ssse3-strlcat-atom.S
+++ b/libc/arch-x86/string/ssse3-strlcat-atom.S
@@ -82,7 +82,7 @@
 #define LEN	SRC+4
 
 	.text
-ENTRY (strlcat_ssse3)
+ENTRY (strlcat)
 	mov	DST(%esp), %edx
 	PUSH	(%ebx)
 	mov	LEN(%esp), %ebx
diff --git a/libc/arch-x86/string/ssse3-strlcpy-atom.S b/libc/arch-x86/string/ssse3-strlcpy-atom.S
index 1671da6..cdb17cc 100644
--- a/libc/arch-x86/string/ssse3-strlcpy-atom.S
+++ b/libc/arch-x86/string/ssse3-strlcpy-atom.S
@@ -29,8 +29,8 @@
 */
 
 #define USE_AS_STRNCPY
-#define STRCPY strlcpy_ssse3
-#define STRLEN strlcpy_ssse3
+#define STRCPY strlcpy
+#define STRLEN strlcpy
 #define USE_AS_STRLCPY
 #include "ssse3-strcpy-atom.S"
 
diff --git a/libc/arch-x86/string/ssse3-strncat-atom.S b/libc/arch-x86/string/ssse3-strncat-atom.S
index ccb08a7..5618771 100644
--- a/libc/arch-x86/string/ssse3-strncat-atom.S
+++ b/libc/arch-x86/string/ssse3-strncat-atom.S
@@ -28,7 +28,7 @@
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-#define STRCAT  strncat_ssse3
+#define STRCAT  strncat
 #define USE_AS_STRNCAT
 
 #include "ssse3-strcat-atom.S"
diff --git a/libc/arch-x86/string/ssse3-strncmp-atom.S b/libc/arch-x86/string/ssse3-strncmp-atom.S
index 2bf5002..234f728 100644
--- a/libc/arch-x86/string/ssse3-strncmp-atom.S
+++ b/libc/arch-x86/string/ssse3-strncmp-atom.S
@@ -30,6 +30,5 @@
 
 
 #define USE_AS_STRNCMP
-#define STRCMP  strncmp_ssse3
+#define STRCMP  strncmp
 #include "ssse3-strcmp-atom.S"
-
diff --git a/libc/arch-x86/string/ssse3-wcscat-atom.S b/libc/arch-x86/string/ssse3-wcscat-atom.S
index a307983..8a389a3 100644
--- a/libc/arch-x86/string/ssse3-wcscat-atom.S
+++ b/libc/arch-x86/string/ssse3-wcscat-atom.S
@@ -85,7 +85,7 @@
 #define USE_AS_WCSCAT
 
 .text
-ENTRY (wcscat_ssse3)
+ENTRY (wcscat)
 	PUSH    (%edi)
 	mov	STR1(%esp), %edi
 	mov	%edi, %edx
@@ -111,4 +111,4 @@
 #define RETURN  POP(%edi);	ret;	CFI_PUSH(%edi)
 #include "ssse3-wcscpy-atom.S"
 
-END (wcscat_ssse3)
+END (wcscat)
diff --git a/libc/arch-x86/string/ssse3-wcscpy-atom.S b/libc/arch-x86/string/ssse3-wcscpy-atom.S
index 80aa15f..27cb61e 100644
--- a/libc/arch-x86/string/ssse3-wcscpy-atom.S
+++ b/libc/arch-x86/string/ssse3-wcscpy-atom.S
@@ -88,7 +88,7 @@
 # define LEN	STR2+4
 
 .text
-ENTRY (wcscpy_ssse3)
+ENTRY (wcscpy)
 	mov	STR1(%esp), %edx
 	mov	STR2(%esp), %ecx
 
@@ -648,5 +648,5 @@
 	ret
 
 #ifndef USE_AS_WCSCAT
-END (wcscpy_ssse3)
+END (wcscpy)
 #endif