diff --git a/libc/arch-x86/string/ssse3-strlcat-atom.S b/libc/arch-x86/string/ssse3-strlcat-atom.S
new file mode 100644
index 0000000..daaf254
--- /dev/null
+++ b/libc/arch-x86/string/ssse3-strlcat-atom.S
@@ -0,0 +1,1225 @@
+/*
+Copyright (c) 2011, Intel Corporation
+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.
+
+    * Neither the name of Intel Corporation nor the names of its contributors
+    * may be used to endorse or promote products derived from this software
+    * without specific prior written permission.
+
+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.
+*/
+
+/* Optimized strlcat with SSSE3 */
+
+#ifndef cfi_startproc
+# define cfi_startproc	.cfi_startproc
+#endif
+
+#ifndef cfi_endproc
+# define cfi_endproc	.cfi_endproc
+#endif
+
+#ifndef cfi_rel_offset
+# define cfi_rel_offset(reg, off)	.cfi_rel_offset reg, off
+#endif
+
+#ifndef cfi_restore
+# define cfi_restore(reg)	.cfi_restore reg
+#endif
+
+#ifndef cfi_adjust_cfa_offset
+# define cfi_adjust_cfa_offset(off)	.cfi_adjust_cfa_offset off
+#endif
+
+#ifndef ENTRY
+# define ENTRY(name)	\
+	.type name,  @function;	\
+	.globl name;	\
+	.p2align 4;	\
+name:	\
+	cfi_startproc
+#endif
+
+#ifndef END
+# define END(name)	\
+	cfi_endproc;	\
+	.size name, .-name
+#endif
+
+#define CFI_PUSH(REG)	\
+	cfi_adjust_cfa_offset (4);	\
+	cfi_rel_offset (REG, 0)
+
+#define CFI_POP(REG)	\
+	cfi_adjust_cfa_offset (-4);	\
+	cfi_restore (REG)
+
+#define PUSH(REG)	pushl	REG;	CFI_PUSH (REG)
+#define POP(REG)	popl	REG;	CFI_POP (REG)
+#define L(label)	.L##Prolog_##label
+
+#define DST	4
+#define SRC	DST+8
+#define LEN	SRC+4
+
+	.text
+ENTRY (strlcat)
+	mov	DST(%esp), %edx
+	PUSH	(%ebx)
+	mov	LEN(%esp), %ebx
+	sub	$4, %ebx
+	jbe	L(len_less4_prolog)
+
+#define RETURN	jmp	L(StrcpyStep)
+#define edi	ebx
+
+#define USE_AS_STRNLEN
+#define USE_AS_STRCAT
+#define USE_AS_STRLCAT
+
+#include "sse2-strlen-atom.S"
+
+	.p2align 4
+L(StrcpyStep):
+
+#undef edi
+#undef L
+#define L(label) .L##label
+#undef RETURN
+#define RETURN	POP (%ebx); ret; CFI_PUSH (%ebx);
+#define RETURN1	POP (%edi); POP (%ebx); ret; CFI_PUSH (%ebx); CFI_PUSH (%edi)
+
+        movl	SRC(%esp), %ecx
+	movl	LEN(%esp), %ebx
+
+	cmp	%eax, %ebx
+	je	L(CalculateLengthOfSrcProlog)
+	sub	%eax, %ebx
+
+	test	%ebx, %ebx
+	jz	L(CalculateLengthOfSrcProlog)
+
+	mov	DST + 4(%esp), %edx
+
+	PUSH	(%edi)
+	add	%eax, %edx
+	mov	%ecx, %edi
+	sub	%eax, %edi
+
+	cmp	$8, %ebx
+	jbe	L(StrncpyExit8Bytes)
+
+	cmpb	$0, (%ecx)
+	jz	L(Exit1)
+	cmpb	$0, 1(%ecx)
+	jz	L(Exit2)
+	cmpb	$0, 2(%ecx)
+	jz	L(Exit3)
+	cmpb	$0, 3(%ecx)
+	jz	L(Exit4)
+	cmpb	$0, 4(%ecx)
+	jz	L(Exit5)
+	cmpb	$0, 5(%ecx)
+	jz	L(Exit6)
+	cmpb	$0, 6(%ecx)
+	jz	L(Exit7)
+	cmpb	$0, 7(%ecx)
+	jz	L(Exit8)
+	cmp	$16, %ebx
+	jb	L(StrncpyExit15Bytes)
+	cmpb	$0, 8(%ecx)
+	jz	L(Exit9)
+	cmpb	$0, 9(%ecx)
+	jz	L(Exit10)
+	cmpb	$0, 10(%ecx)
+	jz	L(Exit11)
+	cmpb	$0, 11(%ecx)
+	jz	L(Exit12)
+	cmpb	$0, 12(%ecx)
+	jz	L(Exit13)
+	cmpb	$0, 13(%ecx)
+	jz	L(Exit14)
+	cmpb	$0, 14(%ecx)
+	jz	L(Exit15)
+	cmpb	$0, 15(%ecx)
+	jz	L(Exit16)
+	cmp	$16, %ebx
+	je	L(StrlcpyExit16)
+
+#define USE_AS_STRNCPY
+#include "ssse3-strcpy-atom.S"
+
+	.p2align 4
+L(CopyFrom1To16Bytes):
+	add	%esi, %edx
+	add	%esi, %ecx
+
+	POP	(%esi)
+	test	%al, %al
+	jz	L(ExitHigh8)
+
+L(CopyFrom1To16BytesLess8):
+	mov	%al, %ah
+	and	$15, %ah
+	jz	L(ExitHigh4)
+
+	test	$0x01, %al
+	jnz	L(Exit1)
+	test	$0x02, %al
+	jnz	L(Exit2)
+	test	$0x04, %al
+	jnz	L(Exit3)
+L(Exit4):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+
+	lea	3(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(ExitHigh4):
+	test	$0x10, %al
+	jnz	L(Exit5)
+	test	$0x20, %al
+	jnz	L(Exit6)
+	test	$0x40, %al
+	jnz	L(Exit7)
+L(Exit8):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+
+	lea	7(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(ExitHigh8):
+	mov	%ah, %al
+	and	$15, %al
+	jz	L(ExitHigh12)
+
+	test	$0x01, %ah
+	jnz	L(Exit9)
+	test	$0x02, %ah
+	jnz	L(Exit10)
+	test	$0x04, %ah
+	jnz	L(Exit11)
+L(Exit12):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movl	8(%ecx), %eax
+	movl	%eax, 8(%edx)
+
+	lea	11(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(ExitHigh12):
+	test	$0x10, %ah
+	jnz	L(Exit13)
+	test	$0x20, %ah
+	jnz	L(Exit14)
+	test	$0x40, %ah
+	jnz	L(Exit15)
+L(Exit16):
+	movlpd	(%ecx), %xmm0
+	movlpd	8(%ecx), %xmm1
+	movlpd	%xmm0, (%edx)
+	movlpd	%xmm1, 8(%edx)
+
+	lea	15(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	CFI_PUSH(%esi)
+
+	.p2align 4
+L(CopyFrom1To16BytesCase2):
+	add	$16, %ebx
+	add	%esi, %ecx
+	add	%esi, %edx
+
+	POP	(%esi)
+
+	test	%al, %al
+	jz	L(ExitHighCase2)
+
+	cmp	$8, %ebx
+	ja	L(CopyFrom1To16BytesLess8)
+
+	test	$0x01, %al
+	jnz	L(Exit1)
+	cmp	$1, %ebx
+	je	L(StrlcpyExit1)
+	test	$0x02, %al
+	jnz	L(Exit2)
+	cmp	$2, %ebx
+	je	L(StrlcpyExit2)
+	test	$0x04, %al
+	jnz	L(Exit3)
+	cmp	$3, %ebx
+	je	L(StrlcpyExit3)
+	test	$0x08, %al
+	jnz	L(Exit4)
+	cmp	$4, %ebx
+	je	L(StrlcpyExit4)
+	test	$0x10, %al
+	jnz	L(Exit5)
+	cmp	$5, %ebx
+	je	L(StrlcpyExit5)
+	test	$0x20, %al
+	jnz	L(Exit6)
+	cmp	$6, %ebx
+	je	L(StrlcpyExit6)
+	test	$0x40, %al
+	jnz	L(Exit7)
+	cmp	$7, %ebx
+	je	L(StrlcpyExit7)
+	test	$0x80, %al
+	jnz	L(Exit8)
+	jmp	L(StrlcpyExit8)
+
+	.p2align 4
+L(ExitHighCase2):
+	cmp	$8, %ebx
+	jbe	L(CopyFrom1To16BytesLess8Case3)
+
+	test	$0x01, %ah
+	jnz	L(Exit9)
+	cmp	$9, %ebx
+	je	L(StrlcpyExit9)
+	test	$0x02, %ah
+	jnz	L(Exit10)
+	cmp	$10, %ebx
+	je	L(StrlcpyExit10)
+	test	$0x04, %ah
+	jnz	L(Exit11)
+	cmp	$11, %ebx
+	je	L(StrlcpyExit11)
+	test	$0x8, %ah
+	jnz	L(Exit12)
+	cmp	$12, %ebx
+	je	L(StrlcpyExit12)
+	test	$0x10, %ah
+	jnz	L(Exit13)
+	cmp	$13, %ebx
+	je	L(StrlcpyExit13)
+	test	$0x20, %ah
+	jnz	L(Exit14)
+	cmp	$14, %ebx
+	je	L(StrlcpyExit14)
+	test	$0x40, %ah
+	jnz	L(Exit15)
+	cmp	$15, %ebx
+	je	L(StrlcpyExit15)
+	test	$0x80, %ah
+	jnz	L(Exit16)
+	jmp	L(StrlcpyExit16)
+
+	CFI_PUSH(%esi)
+
+	.p2align 4
+L(CopyFrom1To16BytesCase2OrCase3):
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16BytesCase2)
+
+	.p2align 4
+L(CopyFrom1To16BytesCase3):
+	add	$16, %ebx
+	add	%esi, %edx
+	add	%esi, %ecx
+
+	POP	(%esi)
+
+	cmp	$8, %ebx
+	ja	L(ExitHigh8Case3)
+
+L(CopyFrom1To16BytesLess8Case3):
+	cmp	$4, %ebx
+	ja	L(ExitHigh4Case3)
+
+	cmp	$1, %ebx
+	je	L(StrlcpyExit1)
+	cmp	$2, %ebx
+	je	L(StrlcpyExit2)
+	cmp	$3, %ebx
+	je	L(StrlcpyExit3)
+L(StrlcpyExit4):
+	movb	%bh, 3(%edx)
+	movw	(%ecx), %ax
+	movw	%ax, (%edx)
+	movb	2(%ecx), %al
+	movb	%al, 2(%edx)
+
+	lea	4(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(ExitHigh4Case3):
+	cmp	$5, %ebx
+	je	L(StrlcpyExit5)
+	cmp	$6, %ebx
+	je	L(StrlcpyExit6)
+	cmp	$7, %ebx
+	je	L(StrlcpyExit7)
+L(StrlcpyExit8):
+	movb	%bh, 7(%edx)
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	3(%ecx), %eax
+	movl	%eax, 3(%edx)
+
+	lea	8(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(ExitHigh8Case3):
+	cmp	$12, %ebx
+	ja	L(ExitHigh12Case3)
+
+	cmp	$9, %ebx
+	je	L(StrlcpyExit9)
+	cmp	$10, %ebx
+	je	L(StrlcpyExit10)
+	cmp	$11, %ebx
+	je	L(StrlcpyExit11)
+L(StrlcpyExit12):
+	movb	%bh, 11(%edx)
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movl	7(%ecx), %eax
+	movl	%eax, 7(%edx)
+
+	lea	12(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(ExitHigh12Case3):
+	cmp	$13, %ebx
+	je	L(StrlcpyExit13)
+	cmp	$14, %ebx
+	je	L(StrlcpyExit14)
+	cmp	$15, %ebx
+	je	L(StrlcpyExit15)
+L(StrlcpyExit16):
+	movb	%bh, 15(%edx)
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	7(%ecx), %xmm0
+	movlpd	%xmm0, 7(%edx)
+
+	lea	16(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(StrlcpyExit1):
+	movb	%bh, (%edx)
+
+	lea	1(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit1):
+	movb	(%ecx), %al
+	movb	%al, (%edx)
+
+	mov	%ecx, %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit2):
+	movb	%bh, 1(%edx)
+	movb	(%ecx), %al
+	movb	%al, (%edx)
+
+	lea	2(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit2):
+	movw	(%ecx), %ax
+	movw	%ax, (%edx)
+	movl	%edi, %eax
+
+	lea	1(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit3):
+	movb	%bh, 2(%edx)
+	movw	(%ecx), %ax
+	movw	%ax, (%edx)
+
+	lea	3(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit3):
+	movw	(%ecx), %ax
+	movw	%ax, (%edx)
+	movb	2(%ecx), %al
+	movb	%al, 2(%edx)
+
+	lea	2(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit5):
+	movb	%bh, 4(%edx)
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	%edi, %eax
+
+	lea	5(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit5):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movb	4(%ecx), %al
+	movb	%al, 4(%edx)
+
+	lea	4(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit6):
+	movb	%bh, 5(%edx)
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movb	4(%ecx), %al
+	movb	%al, 4(%edx)
+
+	lea	6(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit6):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movw	4(%ecx), %ax
+	movw	%ax, 4(%edx)
+
+	lea	5(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit7):
+	movb	%bh, 6(%edx)
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movw	4(%ecx), %ax
+	movw	%ax, 4(%edx)
+
+	lea	7(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit7):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	3(%ecx), %eax
+	movl	%eax, 3(%edx)
+
+	lea	6(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit9):
+	movb	%bh, 8(%edx)
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+
+	lea	9(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit9):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movb	8(%ecx), %al
+	movb	%al, 8(%edx)
+
+	lea	8(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit10):
+	movb	%bh, 9(%edx)
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movb	8(%ecx), %al
+	movb	%al, 8(%edx)
+
+	lea	10(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit10):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movw	8(%ecx), %ax
+	movw	%ax, 8(%edx)
+
+	lea	9(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit11):
+	movb	%bh, 10(%edx)
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movw	8(%ecx), %ax
+	movw	%ax, 8(%edx)
+
+	lea	11(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit11):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movl	7(%ecx), %eax
+	movl	%eax, 7(%edx)
+
+	lea	10(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit13):
+	movb	%bh, 12(%edx)
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movl	8(%ecx), %eax
+	movl	%eax, 8(%edx)
+
+	lea	13(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit13):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	5(%ecx), %xmm0
+	movlpd	%xmm0, 5(%edx)
+
+	lea	12(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit14):
+	movb	%bh, 13(%edx)
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	5(%ecx), %xmm0
+	movlpd	%xmm0, 5(%edx)
+
+	lea	14(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit14):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	6(%ecx), %xmm0
+	movlpd	%xmm0, 6(%edx)
+
+	lea	13(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrlcpyExit15):
+	movb	%bh, 14(%edx)
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	6(%ecx), %xmm0
+	movlpd	%xmm0, 6(%edx)
+
+	lea	15(%ecx), %edx
+	mov	%edi, %ecx
+	POP	(%edi)
+	jmp	L(CalculateLengthOfSrc)
+        CFI_PUSH     (%edi)
+
+	.p2align 4
+L(Exit15):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	7(%ecx), %xmm0
+	movlpd	%xmm0, 7(%edx)
+
+	lea	14(%ecx), %eax
+	sub	%edi, %eax
+	RETURN1
+
+	.p2align 4
+L(StrncpyExit15Bytes):
+	cmp	$12, %ebx
+	ja	L(StrncpyExit15Bytes1)
+
+	cmpb	$0, 8(%ecx)
+	jz	L(Exit9)
+	cmp	$9, %ebx
+	je	L(StrlcpyExit9)
+
+	cmpb	$0, 9(%ecx)
+	jz	L(Exit10)
+	cmp	$10, %ebx
+	je	L(StrlcpyExit10)
+
+	cmpb	$0, 10(%ecx)
+	jz	L(Exit11)
+	cmp	$11, %ebx
+	je	L(StrlcpyExit11)
+
+	cmpb	$0, 11(%ecx)
+	jz	L(Exit12)
+	jmp	L(StrlcpyExit12)
+
+	.p2align 4
+L(StrncpyExit15Bytes1):
+	cmpb	$0, 8(%ecx)
+	jz	L(Exit9)
+	cmpb	$0, 9(%ecx)
+	jz	L(Exit10)
+	cmpb	$0, 10(%ecx)
+	jz	L(Exit11)
+	cmpb	$0, 11(%ecx)
+	jz	L(Exit12)
+
+	cmpb	$0, 12(%ecx)
+	jz	L(Exit13)
+	cmp	$13, %ebx
+	je	L(StrlcpyExit13)
+
+	cmpb	$0, 13(%ecx)
+	jz	L(Exit14)
+	cmp	$14, %ebx
+	je	L(StrlcpyExit14)
+
+	cmpb	$0, 14(%ecx)
+	jz	L(Exit15)
+	jmp	L(StrlcpyExit15)
+
+	.p2align 4
+L(StrncpyExit8Bytes):
+	cmp	$4, %ebx
+	ja	L(StrncpyExit8Bytes1)
+
+	cmpb	$0, (%ecx)
+	jz	L(Exit1)
+	cmp	$1, %ebx
+	je	L(StrlcpyExit1)
+
+	cmpb	$0, 1(%ecx)
+	jz	L(Exit2)
+	cmp	$2, %ebx
+	je	L(StrlcpyExit2)
+
+	cmpb	$0, 2(%ecx)
+	jz	L(Exit3)
+	cmp	$3, %ebx
+	je	L(StrlcpyExit3)
+
+	cmpb	$0, 3(%ecx)
+	jz	L(Exit4)
+	jmp	L(StrlcpyExit4)
+
+	.p2align 4
+L(StrncpyExit8Bytes1):
+	cmpb	$0, (%ecx)
+	jz	L(Exit1)
+	cmpb	$0, 1(%ecx)
+	jz	L(Exit2)
+	cmpb	$0, 2(%ecx)
+	jz	L(Exit3)
+	cmpb	$0, 3(%ecx)
+	jz	L(Exit4)
+
+	cmpb	$0, 4(%ecx)
+	jz	L(Exit5)
+	cmp	$5, %ebx
+	je	L(StrlcpyExit5)
+
+	cmpb	$0, 5(%ecx)
+	jz	L(Exit6)
+	cmp	$6, %ebx
+	je	L(StrlcpyExit6)
+
+	cmpb	$0, 6(%ecx)
+	jz	L(Exit7)
+	cmp	$7, %ebx
+	je	L(StrlcpyExit7)
+
+	cmpb	$0, 7(%ecx)
+	jz	L(Exit8)
+	jmp	L(StrlcpyExit8)
+
+	CFI_POP	(%edi)
+
+
+	.p2align 4
+L(Prolog_return_start_len):
+	movl	LEN(%esp), %ebx
+        movl	SRC(%esp), %ecx
+L(CalculateLengthOfSrcProlog):
+	mov	%ecx, %edx
+	sub	%ebx, %ecx
+
+	.p2align 4
+L(CalculateLengthOfSrc):
+	cmpb	$0, (%edx)
+	jz	L(exit_tail0)
+	cmpb	$0, 1(%edx)
+	jz	L(exit_tail1)
+	cmpb	$0, 2(%edx)
+	jz	L(exit_tail2)
+	cmpb	$0, 3(%edx)
+	jz	L(exit_tail3)
+
+	cmpb	$0, 4(%edx)
+	jz	L(exit_tail4)
+	cmpb	$0, 5(%edx)
+	jz	L(exit_tail5)
+	cmpb	$0, 6(%edx)
+	jz	L(exit_tail6)
+	cmpb	$0, 7(%edx)
+	jz	L(exit_tail7)
+
+	cmpb	$0, 8(%edx)
+	jz	L(exit_tail8)
+	cmpb	$0, 9(%edx)
+	jz	L(exit_tail9)
+	cmpb	$0, 10(%edx)
+	jz	L(exit_tail10)
+	cmpb	$0, 11(%edx)
+	jz	L(exit_tail11)
+
+	cmpb	$0, 12(%edx)
+	jz	L(exit_tail12)
+	cmpb	$0, 13(%edx)
+	jz	L(exit_tail13)
+	cmpb	$0, 14(%edx)
+	jz	L(exit_tail14)
+	cmpb	$0, 15(%edx)
+	jz	L(exit_tail15)
+
+	pxor	%xmm0, %xmm0
+	lea	16(%edx), %eax
+	add	$16, %ecx
+	and	$-16, %eax
+
+	pcmpeqb	(%eax), %xmm0
+	pmovmskb %xmm0, %edx
+	pxor	%xmm1, %xmm1
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm1
+	pmovmskb %xmm1, %edx
+	pxor	%xmm2, %xmm2
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm2
+	pmovmskb %xmm2, %edx
+	pxor	%xmm3, %xmm3
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm3
+	pmovmskb %xmm3, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm0
+	pmovmskb %xmm0, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm1
+	pmovmskb %xmm1, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm2
+	pmovmskb %xmm2, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm3
+	pmovmskb %xmm3, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm0
+	pmovmskb %xmm0, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm1
+	pmovmskb %xmm1, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm2
+	pmovmskb %xmm2, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm3
+	pmovmskb %xmm3, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm0
+	pmovmskb %xmm0, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm1
+	pmovmskb %xmm1, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm2
+	pmovmskb %xmm2, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	(%eax), %xmm3
+	pmovmskb %xmm3, %edx
+	lea	16(%eax), %eax
+	test	%edx, %edx
+	jnz	L(exit)
+
+	and	$-0x40, %eax
+
+	.p2align 4
+L(aligned_64_loop):
+	movaps	(%eax), %xmm0
+	movaps	16(%eax), %xmm1
+	movaps	32(%eax), %xmm2
+	movaps	48(%eax), %xmm6
+	pminub	%xmm1, %xmm0
+	pminub	%xmm6, %xmm2
+	pminub	%xmm0, %xmm2
+	pcmpeqb	%xmm3, %xmm2
+	pmovmskb %xmm2, %edx
+	lea	64(%eax), %eax
+	test	%edx, %edx
+	jz	L(aligned_64_loop)
+
+	pcmpeqb	-64(%eax), %xmm3
+	pmovmskb %xmm3, %edx
+	lea	48(%ecx), %ecx
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	%xmm1, %xmm3
+	pmovmskb %xmm3, %edx
+	lea	-16(%ecx), %ecx
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	-32(%eax), %xmm3
+	pmovmskb %xmm3, %edx
+	lea	-16(%ecx), %ecx
+	test	%edx, %edx
+	jnz	L(exit)
+
+	pcmpeqb	%xmm6, %xmm3
+	pmovmskb %xmm3, %edx
+	lea	-16(%ecx), %ecx
+
+	.p2align 4
+L(exit):
+	sub	%ecx, %eax
+	test	%dl, %dl
+	jz	L(exit_more_8)
+
+	mov	%dl, %cl
+	and	$15, %cl
+	jz	L(exit_more_4)
+	test	$0x01, %dl
+	jnz	L(exit_0)
+	test	$0x02, %dl
+	jnz	L(exit_1)
+	test	$0x04, %dl
+	jnz	L(exit_2)
+	add	$3, %eax
+	RETURN
+
+	.p2align 4
+L(exit_more_4):
+	test	$0x10, %dl
+	jnz	L(exit_4)
+	test	$0x20, %dl
+	jnz	L(exit_5)
+	test	$0x40, %dl
+	jnz	L(exit_6)
+	add	$7, %eax
+	RETURN
+
+	.p2align 4
+L(exit_more_8):
+	mov	%dh, %ch
+	and	$15, %ch
+	jz	L(exit_more_12)
+	test	$0x01, %dh
+	jnz	L(exit_8)
+	test	$0x02, %dh
+	jnz	L(exit_9)
+	test	$0x04, %dh
+	jnz	L(exit_10)
+	add	$11, %eax
+	RETURN
+
+	.p2align 4
+L(exit_more_12):
+	test	$0x10, %dh
+	jnz	L(exit_12)
+	test	$0x20, %dh
+	jnz	L(exit_13)
+	test	$0x40, %dh
+	jnz	L(exit_14)
+	add	$15, %eax
+L(exit_0):
+	RETURN
+
+	.p2align 4
+L(exit_1):
+	add	$1, %eax
+	RETURN
+
+L(exit_2):
+	add	$2, %eax
+	RETURN
+
+L(exit_3):
+	add	$3, %eax
+	RETURN
+
+L(exit_4):
+	add	$4, %eax
+	RETURN
+
+L(exit_5):
+	add	$5, %eax
+	RETURN
+
+L(exit_6):
+	add	$6, %eax
+	RETURN
+
+L(exit_7):
+	add	$7, %eax
+	RETURN
+
+L(exit_8):
+	add	$8, %eax
+	RETURN
+
+L(exit_9):
+	add	$9, %eax
+	RETURN
+
+L(exit_10):
+	add	$10, %eax
+	RETURN
+
+L(exit_11):
+	add	$11, %eax
+	RETURN
+
+L(exit_12):
+	add	$12, %eax
+	RETURN
+
+L(exit_13):
+	add	$13, %eax
+	RETURN
+
+L(exit_14):
+	add	$14, %eax
+	RETURN
+
+L(exit_15):
+	add	$15, %eax
+	RETURN
+
+L(exit_tail0):
+	mov	%edx, %eax
+	sub	%ecx, %eax
+	RETURN
+
+	.p2align 4
+L(exit_tail1):
+	lea	1(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail2):
+	lea	2(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail3):
+	lea	3(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail4):
+	lea	4(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail5):
+	lea	5(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail6):
+	lea	6(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail7):
+	lea	7(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail8):
+	lea	8(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail9):
+	lea	9(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail10):
+	lea	10(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail11):
+	lea	11(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail12):
+	lea	12(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail13):
+	lea	13(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail14):
+	lea	14(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+L(exit_tail15):
+	lea	15(%edx), %eax
+	sub	%ecx, %eax
+	RETURN
+
+END (strlcat)