Merge changes between 14282 and r14661 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@14662 7b3dc134-2b1b-0410-93df-9e9f96275f8d

1 files changed, 2251 insertions, 0 deletions

diff --git a/libc/sysdeps/i386/i686/multiarch/strcpy-sse2.S b/libc/sysdeps/i386/i686/multiarch/strcpy-sse2.S
new file mode 100644
index 000000000..fcef748f0
--- /dev/null
+++ b/libc/sysdeps/i386/i686/multiarch/strcpy-sse2.S
@@ -0,0 +1,2251 @@
+/* strcpy with SSE2 and unaligned load
+   Copyright (C) 2011 Free Software Foundation, Inc.
+   Contributed by Intel Corporation.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+
+#ifndef NOT_IN_libc
+
+# include <sysdep.h>
+
+
+# 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)
+
+# ifndef STRCPY
+#  define STRCPY  __strcpy_sse2
+# endif
+
+# define STR1  PARMS
+# define STR2  STR1+4
+# define LEN  STR2+4
+
+# ifdef USE_AS_STRNCPY
+#  define PARMS  16
+#  define ENTRANCE PUSH(%ebx); PUSH(%esi); PUSH(%edi)
+#  define RETURN  POP(%edi); POP(%esi); POP(%ebx); ret;          \
+	CFI_PUSH(%ebx); CFI_PUSH(%esi); CFI_PUSH(%edi);
+
+# ifdef SHARED
+#  define JMPTBL(I, B)	I - B
+
+/* Load an entry in a jump table into ECX and branch to it. TABLE is a
+	jump table with relative offsets.
+	INDEX is a register contains the index into the jump table.
+	SCALE is the scale of INDEX. */
+
+#  define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE)            \
+	/* We first load PC into ECX.  */                       \
+	call	__i686.get_pc_thunk.cx;                         \
+	/* Get the address of the jump table.  */               \
+	addl	$(TABLE - .), %ecx;                             \
+	/* Get the entry and convert the relative offset to the \
+	absolute	address.  */                            \
+	addl	(%ecx,INDEX,SCALE), %ecx;                       \
+	/* We loaded the jump table and adjuested ECX. Go.  */  \
+	jmp	*%ecx
+# else
+#  define JMPTBL(I, B)	I
+
+/* Branch to an entry in a jump table.  TABLE is a jump table with
+	absolute	offsets.  INDEX is a register contains the index into the
+	jump	table.  SCALE is the scale of INDEX. */
+
+#  define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE)		\
+	jmp	*TABLE(,INDEX,SCALE)
+# endif
+
+.text
+ENTRY (STRCPY)
+	ENTRANCE
+	mov	STR1(%esp), %edi
+	mov	STR2(%esp), %esi
+	movl	LEN(%esp), %ebx
+	test	%ebx, %ebx
+	jz	L(ExitZero)
+
+	mov	%esi, %ecx
+# ifndef USE_AS_STPCPY
+	mov	%edi, %eax      /* save result */
+# endif
+	and	$15, %ecx
+	jz	L(SourceStringAlignmentZero)
+
+	and	$-16, %esi
+	pxor	%xmm0, %xmm0
+	pxor	%xmm1, %xmm1
+
+	pcmpeqb	(%esi), %xmm1
+	add	%ecx, %ebx
+	pmovmskb %xmm1, %edx
+	shr	%cl, %edx
+# ifdef USE_AS_STPCPY
+	cmp	$16, %ebx
+	jbe	L(CopyFrom1To16BytesTailCase2OrCase3)
+# else
+	cmp	$17, %ebx
+	jbe	L(CopyFrom1To16BytesTailCase2OrCase3)
+# endif
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesTail)
+
+	pcmpeqb	16(%esi), %xmm0
+	pmovmskb %xmm0, %edx
+# ifdef USE_AS_STPCPY
+	cmp	$32, %ebx
+	jbe	L(CopyFrom1To32BytesCase2OrCase3)
+# else
+	cmp	$33, %ebx
+	jbe	L(CopyFrom1To32BytesCase2OrCase3)
+# endif
+	test	%edx, %edx
+	jnz	L(CopyFrom1To32Bytes)
+
+	movdqu	(%esi, %ecx), %xmm1   /* copy 16 bytes */
+	movdqu	%xmm1, (%edi)
+
+	sub	%ecx, %edi
+
+/* If source adress alignment != destination adress alignment */
+	.p2align 4
+L(Unalign16Both):
+	mov	$16, %ecx
+	movdqa	(%esi, %ecx), %xmm1
+	movaps	16(%esi, %ecx), %xmm2
+	movdqu	%xmm1, (%edi, %ecx)
+	pcmpeqb	%xmm2, %xmm0
+	pmovmskb %xmm0, %edx
+	add	$16, %ecx
+	sub	$48, %ebx
+	jbe	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm2)
+
+	movaps	16(%esi, %ecx), %xmm3
+	movdqu	%xmm2, (%edi, %ecx)
+	pcmpeqb	%xmm3, %xmm0
+	pmovmskb %xmm0, %edx
+	add	$16, %ecx
+	sub	$16, %ebx
+	jbe	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm3)
+
+	movaps	16(%esi, %ecx), %xmm4
+	movdqu	%xmm3, (%edi, %ecx)
+	pcmpeqb	%xmm4, %xmm0
+	pmovmskb %xmm0, %edx
+	add	$16, %ecx
+	sub	$16, %ebx
+	jbe	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm4)
+
+	movaps	16(%esi, %ecx), %xmm1
+	movdqu	%xmm4, (%edi, %ecx)
+	pcmpeqb	%xmm1, %xmm0
+	pmovmskb %xmm0, %edx
+	add	$16, %ecx
+	sub	$16, %ebx
+	jbe	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm1)
+
+	movaps	16(%esi, %ecx), %xmm2
+	movdqu	%xmm1, (%edi, %ecx)
+	pcmpeqb	%xmm2, %xmm0
+	pmovmskb %xmm0, %edx
+	add	$16, %ecx
+	sub	$16, %ebx
+	jbe	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm2)
+
+	movaps	16(%esi, %ecx), %xmm3
+	movdqu	%xmm2, (%edi, %ecx)
+	pcmpeqb	%xmm3, %xmm0
+	pmovmskb %xmm0, %edx
+	add	$16, %ecx
+	sub	$16, %ebx
+	jbe	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm3)
+
+	movdqu	%xmm3, (%edi, %ecx)
+	mov	%esi, %edx
+	lea	16(%esi, %ecx), %esi
+	and	$-0x40, %esi
+	sub	%esi, %edx
+	sub	%edx, %edi
+	lea	128(%ebx, %edx), %ebx
+
+L(Unaligned64Loop):
+	movaps	(%esi), %xmm2
+	movaps	%xmm2, %xmm4
+	movaps	16(%esi), %xmm5
+	movaps	32(%esi), %xmm3
+	movaps	%xmm3, %xmm6
+	movaps	48(%esi), %xmm7
+	pminub	%xmm5, %xmm2
+	pminub	%xmm7, %xmm3
+	pminub	%xmm2, %xmm3
+	pcmpeqb	%xmm0, %xmm3
+	pmovmskb %xmm3, %edx
+	sub	$64, %ebx
+	jbe	L(UnalignedLeaveCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(Unaligned64Leave)
+L(Unaligned64Loop_start):
+	add	$64, %edi
+	add	$64, %esi
+	movdqu	%xmm4, -64(%edi)
+	movaps	(%esi), %xmm2
+	movdqa	%xmm2, %xmm4
+	movdqu	%xmm5, -48(%edi)
+	movaps	16(%esi), %xmm5
+	pminub	%xmm5, %xmm2
+	movaps	32(%esi), %xmm3
+	movdqu	%xmm6, -32(%edi)
+	movaps	%xmm3, %xmm6
+	movdqu	%xmm7, -16(%edi)
+	movaps	48(%esi), %xmm7
+	pminub	%xmm7, %xmm3
+	pminub	%xmm2, %xmm3
+	pcmpeqb	%xmm0, %xmm3
+	pmovmskb %xmm3, %edx
+	sub	$64, %ebx
+	jbe	L(UnalignedLeaveCase2OrCase3)
+	test	%edx, %edx
+	jz	L(Unaligned64Loop_start)
+L(Unaligned64Leave):
+	pxor	%xmm1, %xmm1
+
+	pcmpeqb	%xmm4, %xmm0
+	pcmpeqb	%xmm5, %xmm1
+	pmovmskb %xmm0, %edx
+	pmovmskb %xmm1, %ecx
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnaligned_0)
+	test	%ecx, %ecx
+	jnz	L(CopyFrom1To16BytesUnaligned_16)
+
+	pcmpeqb	%xmm6, %xmm0
+	pcmpeqb	%xmm7, %xmm1
+	pmovmskb %xmm0, %edx
+	pmovmskb %xmm1, %ecx
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnaligned_32)
+
+	bsf	%ecx, %edx
+	movdqu	%xmm4, (%edi)
+	movdqu	%xmm5, 16(%edi)
+	movdqu	%xmm6, 32(%edi)
+# ifdef USE_AS_STPCPY
+	lea	48(%edi, %edx), %eax
+# endif
+	movdqu	%xmm7, 48(%edi)
+	add	$15, %ebx
+	sub	%edx, %ebx
+	lea	49(%edi, %edx), %edi
+	jmp	L(StrncpyFillTailWithZero)
+
+/* If source adress alignment == destination adress alignment */
+
+L(SourceStringAlignmentZero):
+	pxor	%xmm0, %xmm0
+	movdqa	(%esi), %xmm1
+	pcmpeqb	%xmm1, %xmm0
+	pmovmskb %xmm0, %edx
+# ifdef USE_AS_STPCPY
+	cmp	$16, %ebx
+	jbe	L(CopyFrom1To16BytesTail1Case2OrCase3)
+# else
+	cmp	$17, %ebx
+	jbe	L(CopyFrom1To16BytesTail1Case2OrCase3)
+# endif
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesTail1)
+
+	pcmpeqb	16(%esi), %xmm0
+	movdqu	%xmm1, (%edi)
+	pmovmskb %xmm0, %edx
+# ifdef USE_AS_STPCPY
+	cmp	$32, %ebx
+	jbe	L(CopyFrom1To32Bytes1Case2OrCase3)
+# else
+	cmp	$33, %ebx
+	jbe	L(CopyFrom1To32Bytes1Case2OrCase3)
+# endif
+	test	%edx, %edx
+	jnz	L(CopyFrom1To32Bytes1)
+
+	jmp	L(Unalign16Both)
+
+/*-----------------End of main part---------------------------*/
+
+/* Case1 */
+	.p2align 4
+L(CopyFrom1To16BytesTail):
+	sub	%ecx, %ebx
+	add	%ecx, %esi
+	bsf	%edx, %edx
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
+
+	.p2align 4
+L(CopyFrom1To32Bytes1):
+	add	$16, %esi
+	add	$16, %edi
+	sub	$16, %ebx
+L(CopyFrom1To16BytesTail1):
+	bsf	%edx, %edx
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
+
+	.p2align 4
+L(CopyFrom1To32Bytes):
+	sub	%ecx, %ebx
+	bsf	%edx, %edx
+	add	%ecx, %esi
+	add	$16, %edx
+	sub	%ecx, %edx
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
+
+	.p2align 4
+L(CopyFrom1To16BytesUnaligned_0):
+	bsf	%edx, %edx
+# ifdef USE_AS_STPCPY
+	lea	(%edi, %edx), %eax
+# endif
+	movdqu	%xmm4, (%edi)
+	add	$63, %ebx
+	sub	%edx, %ebx
+	lea	1(%edi, %edx), %edi
+	jmp	L(StrncpyFillTailWithZero)
+
+	.p2align 4
+L(CopyFrom1To16BytesUnaligned_16):
+	bsf	%ecx, %edx
+	movdqu	%xmm4, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	16(%edi, %edx), %eax
+# endif
+	movdqu	%xmm5, 16(%edi)
+	add	$47, %ebx
+	sub	%edx, %ebx
+	lea	17(%edi, %edx), %edi
+	jmp	L(StrncpyFillTailWithZero)
+
+	.p2align 4
+L(CopyFrom1To16BytesUnaligned_32):
+	bsf	%edx, %edx
+	movdqu	%xmm4, (%edi)
+	movdqu	%xmm5, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	32(%edi, %edx), %eax
+# endif
+	movdqu	%xmm6, 32(%edi)
+	add	$31, %ebx
+	sub	%edx, %ebx
+	lea	33(%edi, %edx), %edi
+	jmp	L(StrncpyFillTailWithZero)
+
+	.p2align 4
+L(CopyFrom1To16BytesUnalignedXmm6):
+	movdqu	%xmm6, (%edi, %ecx)
+	jmp	L(CopyFrom1To16BytesXmmExit)
+
+	.p2align 4
+L(CopyFrom1To16BytesUnalignedXmm5):
+	movdqu	%xmm5, (%edi, %ecx)
+	jmp	L(CopyFrom1To16BytesXmmExit)
+
+	.p2align 4
+L(CopyFrom1To16BytesUnalignedXmm4):
+	movdqu	%xmm4, (%edi, %ecx)
+	jmp	L(CopyFrom1To16BytesXmmExit)
+
+	.p2align 4
+L(CopyFrom1To16BytesUnalignedXmm3):
+	movdqu	%xmm3, (%edi, %ecx)
+	jmp	L(CopyFrom1To16BytesXmmExit)
+
+	.p2align 4
+L(CopyFrom1To16BytesUnalignedXmm1):
+	movdqu	%xmm1, (%edi, %ecx)
+	jmp	L(CopyFrom1To16BytesXmmExit)
+
+	.p2align 4
+L(CopyFrom1To16BytesExit):
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
+
+/* Case2 */
+
+	.p2align 4
+L(CopyFrom1To16BytesCase2):
+	add	$16, %ebx
+	add	%ecx, %edi
+	add	%ecx, %esi
+	bsf	%edx, %edx
+	cmp	%ebx, %edx
+	jb	L(CopyFrom1To16BytesExit)
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+	.p2align 4
+L(CopyFrom1To32BytesCase2):
+	sub	%ecx, %ebx
+	add	%ecx, %esi
+	bsf	%edx, %edx
+	add	$16, %edx
+	sub	%ecx, %edx
+	cmp	%ebx, %edx
+	jb	L(CopyFrom1To16BytesExit)
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+L(CopyFrom1To16BytesTailCase2):
+	sub	%ecx, %ebx
+	add	%ecx, %esi
+	bsf	%edx, %edx
+	cmp	%ebx, %edx
+	jb	L(CopyFrom1To16BytesExit)
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+L(CopyFrom1To16BytesTail1Case2):
+	bsf	%edx, %edx
+	cmp	%ebx, %edx
+	jb	L(CopyFrom1To16BytesExit)
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+/* Case2 or Case3,  Case3 */
+
+	.p2align 4
+L(CopyFrom1To16BytesCase2OrCase3):
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesCase2)
+L(CopyFrom1To16BytesCase3):
+	add	$16, %ebx
+	add	%ecx, %edi
+	add	%ecx, %esi
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+	.p2align 4
+L(CopyFrom1To32BytesCase2OrCase3):
+	test	%edx, %edx
+	jnz	L(CopyFrom1To32BytesCase2)
+	sub	%ecx, %ebx
+	add	%ecx, %esi
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+	.p2align 4
+L(CopyFrom1To16BytesTailCase2OrCase3):
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesTailCase2)
+	sub	%ecx, %ebx
+	add	%ecx, %esi
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+	.p2align 4
+L(CopyFrom1To32Bytes1Case2OrCase3):
+	add	$16, %edi
+	add	$16, %esi
+	sub	$16, %ebx
+L(CopyFrom1To16BytesTail1Case2OrCase3):
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesTail1Case2)
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+	.p2align 4
+L(Exit0):
+# ifdef USE_AS_STPCPY
+	mov	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit1):
+	movb	%dh, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	(%edi), %eax
+# endif
+	sub	$1, %ebx
+	lea	1(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit2):
+	movw	(%esi), %dx
+	movw	%dx, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	1(%edi), %eax
+# endif
+	sub	$2, %ebx
+	lea	2(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit3):
+	movw	(%esi), %cx
+	movw	%cx, (%edi)
+	movb	%dh, 2(%edi)
+# ifdef USE_AS_STPCPY
+	lea	2(%edi), %eax
+# endif
+	sub	$3, %ebx
+	lea	3(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit4):
+	movl	(%esi), %edx
+	movl	%edx, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	3(%edi), %eax
+# endif
+	sub	$4, %ebx
+	lea	4(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit5):
+	movl	(%esi), %ecx
+	movb	%dh, 4(%edi)
+	movl	%ecx, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	4(%edi), %eax
+# endif
+	sub	$5, %ebx
+	lea	5(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit6):
+	movl	(%esi), %ecx
+	movw	4(%esi), %dx
+	movl	%ecx, (%edi)
+	movw	%dx, 4(%edi)
+# ifdef USE_AS_STPCPY
+	lea	5(%edi), %eax
+# endif
+	sub	$6, %ebx
+	lea	6(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit7):
+	movl	(%esi), %ecx
+	movl	3(%esi), %edx
+	movl	%ecx, (%edi)
+	movl	%edx, 3(%edi)
+# ifdef USE_AS_STPCPY
+	lea	6(%edi), %eax
+# endif
+	sub	$7, %ebx
+	lea	7(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit8):
+	movlpd	(%esi), %xmm0
+	movlpd	%xmm0, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	7(%edi), %eax
+# endif
+	sub	$8, %ebx
+	lea	8(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit9):
+	movlpd	(%esi), %xmm0
+	movb	%dh, 8(%edi)
+	movlpd	%xmm0, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	8(%edi), %eax
+# endif
+	sub	$9, %ebx
+	lea	9(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit10):
+	movlpd	(%esi), %xmm0
+	movw	8(%esi), %dx
+	movlpd	%xmm0, (%edi)
+	movw	%dx, 8(%edi)
+# ifdef USE_AS_STPCPY
+	lea	9(%edi), %eax
+# endif
+	sub	$10, %ebx
+	lea	10(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit11):
+	movlpd	(%esi), %xmm0
+	movl	7(%esi), %edx
+	movlpd	%xmm0, (%edi)
+	movl	%edx, 7(%edi)
+# ifdef USE_AS_STPCPY
+	lea	10(%edi), %eax
+# endif
+	sub	$11, %ebx
+	lea	11(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit12):
+	movlpd	(%esi), %xmm0
+	movl	8(%esi), %edx
+	movlpd	%xmm0, (%edi)
+	movl	%edx, 8(%edi)
+# ifdef USE_AS_STPCPY
+	lea	11(%edi), %eax
+# endif
+	sub	$12, %ebx
+	lea	12(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit13):
+	movlpd	(%esi), %xmm0
+	movlpd	5(%esi), %xmm1
+	movlpd	%xmm0, (%edi)
+	movlpd	%xmm1, 5(%edi)
+# ifdef USE_AS_STPCPY
+	lea	12(%edi), %eax
+# endif
+	sub	$13, %ebx
+	lea	13(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit14):
+	movlpd	(%esi), %xmm0
+	movlpd	6(%esi), %xmm1
+	movlpd	%xmm0, (%edi)
+	movlpd	%xmm1, 6(%edi)
+# ifdef USE_AS_STPCPY
+	lea	13(%edi), %eax
+# endif
+	sub	$14, %ebx
+	lea	14(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit15):
+	movlpd	(%esi), %xmm0
+	movlpd	7(%esi), %xmm1
+	movlpd	%xmm0, (%edi)
+	movlpd	%xmm1, 7(%edi)
+# ifdef USE_AS_STPCPY
+	lea	14(%edi), %eax
+# endif
+	sub	$15, %ebx
+	lea	15(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit16):
+	movdqu	(%esi), %xmm0
+	movdqu	%xmm0, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	15(%edi), %eax
+# endif
+	sub	$16, %ebx
+	lea	16(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit17):
+	movdqu	(%esi), %xmm0
+	movdqu	%xmm0, (%edi)
+	movb	%dh, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	16(%edi), %eax
+# endif
+	sub	$17, %ebx
+	lea	17(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit18):
+	movdqu	(%esi), %xmm0
+	movw	16(%esi), %cx
+	movdqu	%xmm0, (%edi)
+	movw	%cx, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	17(%edi), %eax
+# endif
+	sub	$18, %ebx
+	lea	18(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit19):
+	movdqu	(%esi), %xmm0
+	movl	15(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movl	%ecx, 15(%edi)
+# ifdef USE_AS_STPCPY
+	lea	18(%edi), %eax
+# endif
+	sub	$19, %ebx
+	lea	19(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit20):
+	movdqu	(%esi), %xmm0
+	movl	16(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movl	%ecx, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	19(%edi), %eax
+# endif
+	sub	$20, %ebx
+	lea	20(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit21):
+	movdqu	(%esi), %xmm0
+	movl	16(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movl	%ecx, 16(%edi)
+	movb	%dh, 20(%edi)
+# ifdef USE_AS_STPCPY
+	lea	20(%edi), %eax
+# endif
+	sub	$21, %ebx
+	lea	21(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit22):
+	movdqu	(%esi), %xmm0
+	movlpd	14(%esi), %xmm3
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm3, 14(%edi)
+# ifdef USE_AS_STPCPY
+	lea	21(%edi), %eax
+# endif
+	sub	$22, %ebx
+	lea	22(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit23):
+	movdqu	(%esi), %xmm0
+	movlpd	15(%esi), %xmm3
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm3, 15(%edi)
+# ifdef USE_AS_STPCPY
+	lea	22(%edi), %eax
+# endif
+	sub	$23, %ebx
+	lea	23(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit24):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	23(%edi), %eax
+# endif
+	sub	$24, %ebx
+	lea	24(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit25):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+	movb	%dh, 24(%edi)
+# ifdef USE_AS_STPCPY
+	lea	24(%edi), %eax
+# endif
+	sub	$25, %ebx
+	lea	25(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit26):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movw	24(%esi), %cx
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+	movw	%cx, 24(%edi)
+# ifdef USE_AS_STPCPY
+	lea	25(%edi), %eax
+# endif
+	sub	$26, %ebx
+	lea	26(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit27):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movl	23(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+	movl	%ecx, 23(%edi)
+# ifdef USE_AS_STPCPY
+	lea	26(%edi), %eax
+# endif
+	sub	$27, %ebx
+	lea	27(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit28):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movl	24(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+	movl	%ecx, 24(%edi)
+# ifdef USE_AS_STPCPY
+	lea	27(%edi), %eax
+# endif
+	sub	$28, %ebx
+	lea	28(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit29):
+	movdqu	(%esi), %xmm0
+	movdqu	13(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 13(%edi)
+# ifdef USE_AS_STPCPY
+	lea	28(%edi), %eax
+# endif
+	sub	$29, %ebx
+	lea	29(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit30):
+	movdqu	(%esi), %xmm0
+	movdqu	14(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 14(%edi)
+# ifdef USE_AS_STPCPY
+	lea	29(%edi), %eax
+# endif
+	sub	$30, %ebx
+	lea	30(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+
+	.p2align 4
+L(Exit31):
+	movdqu	(%esi), %xmm0
+	movdqu	15(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 15(%edi)
+# ifdef USE_AS_STPCPY
+	lea	30(%edi), %eax
+# endif
+	sub	$31, %ebx
+	lea	31(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(Exit32):
+	movdqu	(%esi), %xmm0
+	movdqu	16(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	31(%edi), %eax
+# endif
+	sub	$32, %ebx
+	lea	32(%edi), %edi
+	jnz	L(StrncpyFillTailWithZero)
+	RETURN
+
+	.p2align 4
+L(StrncpyExit1):
+	movb	(%esi), %dl
+	movb	%dl, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	1(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit2):
+	movw	(%esi), %dx
+	movw	%dx, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	2(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit3):
+	movw	(%esi), %cx
+	movb	2(%esi), %dl
+	movw	%cx, (%edi)
+	movb	%dl, 2(%edi)
+# ifdef USE_AS_STPCPY
+	lea	3(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit4):
+	movl	(%esi), %edx
+	movl	%edx, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	4(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit5):
+	movl	(%esi), %ecx
+	movb	4(%esi), %dl
+	movl	%ecx, (%edi)
+	movb	%dl, 4(%edi)
+# ifdef USE_AS_STPCPY
+	lea	5(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit6):
+	movl	(%esi), %ecx
+	movw	4(%esi), %dx
+	movl	%ecx, (%edi)
+	movw	%dx, 4(%edi)
+# ifdef USE_AS_STPCPY
+	lea	6(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit7):
+	movl	(%esi), %ecx
+	movl	3(%esi), %edx
+	movl	%ecx, (%edi)
+	movl	%edx, 3(%edi)
+# ifdef USE_AS_STPCPY
+	lea	7(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit8):
+	movlpd	(%esi), %xmm0
+	movlpd	%xmm0, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	8(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit9):
+	movlpd	(%esi), %xmm0
+	movb	8(%esi), %dl
+	movlpd	%xmm0, (%edi)
+	movb	%dl, 8(%edi)
+# ifdef USE_AS_STPCPY
+	lea	9(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit10):
+	movlpd	(%esi), %xmm0
+	movw	8(%esi), %dx
+	movlpd	%xmm0, (%edi)
+	movw	%dx, 8(%edi)
+# ifdef USE_AS_STPCPY
+	lea	10(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit11):
+	movlpd	(%esi), %xmm0
+	movl	7(%esi), %edx
+	movlpd	%xmm0, (%edi)
+	movl	%edx, 7(%edi)
+# ifdef USE_AS_STPCPY
+	lea	11(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit12):
+	movlpd	(%esi), %xmm0
+	movl	8(%esi), %edx
+	movlpd	%xmm0, (%edi)
+	movl	%edx, 8(%edi)
+# ifdef USE_AS_STPCPY
+	lea	12(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit13):
+	movlpd	(%esi), %xmm0
+	movlpd	5(%esi), %xmm1
+	movlpd	%xmm0, (%edi)
+	movlpd	%xmm1, 5(%edi)
+# ifdef USE_AS_STPCPY
+	lea	13(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit14):
+	movlpd	(%esi), %xmm0
+	movlpd	6(%esi), %xmm1
+	movlpd	%xmm0, (%edi)
+	movlpd	%xmm1, 6(%edi)
+# ifdef USE_AS_STPCPY
+	lea	14(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit15):
+	movlpd	(%esi), %xmm0
+	movlpd	7(%esi), %xmm1
+	movlpd	%xmm0, (%edi)
+	movlpd	%xmm1, 7(%edi)
+# ifdef USE_AS_STPCPY
+	lea	15(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit16):
+	movdqu	(%esi), %xmm0
+	movdqu	%xmm0, (%edi)
+# ifdef USE_AS_STPCPY
+	lea	16(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit17):
+	movdqu	(%esi), %xmm0
+	movb	16(%esi), %cl
+	movdqu	%xmm0, (%edi)
+	movb	%cl, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	17(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit18):
+	movdqu	(%esi), %xmm0
+	movw	16(%esi), %cx
+	movdqu	%xmm0, (%edi)
+	movw	%cx, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	18(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit19):
+	movdqu	(%esi), %xmm0
+	movl	15(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movl	%ecx, 15(%edi)
+# ifdef USE_AS_STPCPY
+	lea	19(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit20):
+	movdqu	(%esi), %xmm0
+	movl	16(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movl	%ecx, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	20(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit21):
+	movdqu	(%esi), %xmm0
+	movl	16(%esi), %ecx
+	movb	20(%esi), %dl
+	movdqu	%xmm0, (%edi)
+	movl	%ecx, 16(%edi)
+	movb	%dl, 20(%edi)
+# ifdef USE_AS_STPCPY
+	lea	21(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit22):
+	movdqu	(%esi), %xmm0
+	movlpd	14(%esi), %xmm3
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm3, 14(%edi)
+# ifdef USE_AS_STPCPY
+	lea	22(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit23):
+	movdqu	(%esi), %xmm0
+	movlpd	15(%esi), %xmm3
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm3, 15(%edi)
+# ifdef USE_AS_STPCPY
+	lea	23(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit24):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	24(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit25):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movb	24(%esi), %cl
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+	movb	%cl, 24(%edi)
+# ifdef USE_AS_STPCPY
+	lea	25(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit26):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movw	24(%esi), %cx
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+	movw	%cx, 24(%edi)
+# ifdef USE_AS_STPCPY
+	lea	26(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit27):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movl	23(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+	movl	%ecx, 23(%edi)
+# ifdef USE_AS_STPCPY
+	lea	27(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit28):
+	movdqu	(%esi), %xmm0
+	movlpd	16(%esi), %xmm2
+	movl	24(%esi), %ecx
+	movdqu	%xmm0, (%edi)
+	movlpd	%xmm2, 16(%edi)
+	movl	%ecx, 24(%edi)
+# ifdef USE_AS_STPCPY
+	lea	28(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit29):
+	movdqu	(%esi), %xmm0
+	movdqu	13(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 13(%edi)
+# ifdef USE_AS_STPCPY
+	lea	29(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit30):
+	movdqu	(%esi), %xmm0
+	movdqu	14(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 14(%edi)
+# ifdef USE_AS_STPCPY
+	lea	30(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit31):
+	movdqu	(%esi), %xmm0
+	movdqu	15(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 15(%edi)
+# ifdef USE_AS_STPCPY
+	lea	31(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit32):
+	movdqu	(%esi), %xmm0
+	movdqu	16(%esi), %xmm2
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 16(%edi)
+# ifdef USE_AS_STPCPY
+	lea	32(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(StrncpyExit33):
+	movdqu	(%esi), %xmm0
+	movdqu	16(%esi), %xmm2
+	movb	32(%esi), %cl
+	movdqu	%xmm0, (%edi)
+	movdqu	%xmm2, 16(%edi)
+	movb	%cl, 32(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill0):
+	RETURN
+
+	.p2align 4
+L(Fill1):
+	movb	%dl, (%edi)
+	RETURN
+
+	.p2align 4
+L(Fill2):
+	movw	%dx, (%edi)
+	RETURN
+
+	.p2align 4
+L(Fill3):
+	movl	%edx, -1(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill4):
+	movl	%edx, (%edi)
+	RETURN
+
+	.p2align 4
+L(Fill5):
+	movl	%edx, (%edi)
+	movb	%dl, 4(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill6):
+	movl	%edx, (%edi)
+	movw	%dx, 4(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill7):
+	movlpd	%xmm0, -1(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill8):
+	movlpd	%xmm0, (%edi)
+	RETURN
+
+	.p2align 4
+L(Fill9):
+	movlpd	%xmm0, (%edi)
+	movb	%dl, 8(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill10):
+	movlpd	%xmm0, (%edi)
+	movw	%dx, 8(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill11):
+	movlpd	%xmm0, (%edi)
+	movl	%edx, 7(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill12):
+	movlpd	%xmm0, (%edi)
+	movl	%edx, 8(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill13):
+	movlpd	%xmm0, (%edi)
+	movlpd	%xmm0, 5(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill14):
+	movlpd	%xmm0, (%edi)
+	movlpd	%xmm0, 6(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill15):
+	movdqu	%xmm0, -1(%edi)
+	RETURN
+
+	.p2align 4
+L(Fill16):
+	movdqu	%xmm0, (%edi)
+	RETURN
+
+	.p2align 4
+L(CopyFrom1To16BytesUnalignedXmm2):
+	movdqu	%xmm2, (%edi, %ecx)
+
+	.p2align 4
+L(CopyFrom1To16BytesXmmExit):
+	bsf	%edx, %edx
+	add	$15, %ebx
+	add	%ecx, %edi
+# ifdef USE_AS_STPCPY
+	lea	(%edi, %edx), %eax
+# endif
+	sub	%edx, %ebx
+	lea	1(%edi, %edx), %edi
+
+	.p2align 4
+L(StrncpyFillTailWithZero):
+	pxor	%xmm0, %xmm0
+	xor	%edx, %edx
+	sub	$16, %ebx
+	jbe	L(StrncpyFillExit)
+
+	movdqu	%xmm0, (%edi)
+	add	$16, %edi
+
+	mov	%edi, %esi
+	and	$0xf, %esi
+	sub	%esi, %edi
+	add	%esi, %ebx
+	sub	$64, %ebx
+	jb	L(StrncpyFillLess64)
+
+L(StrncpyFillLoopMovdqa):
+	movdqa	%xmm0, (%edi)
+	movdqa	%xmm0, 16(%edi)
+	movdqa	%xmm0, 32(%edi)
+	movdqa	%xmm0, 48(%edi)
+	add	$64, %edi
+	sub	$64, %ebx
+	jae	L(StrncpyFillLoopMovdqa)
+
+L(StrncpyFillLess64):
+	add	$32, %ebx
+	jl	L(StrncpyFillLess32)
+	movdqa	%xmm0, (%edi)
+	movdqa	%xmm0, 16(%edi)
+	add	$32, %edi
+	sub	$16, %ebx
+	jl	L(StrncpyFillExit)
+	movdqa	%xmm0, (%edi)
+	add	$16, %edi
+	BRANCH_TO_JMPTBL_ENTRY (L(FillTable), %ebx, 4)
+
+L(StrncpyFillLess32):
+	add	$16, %ebx
+	jl	L(StrncpyFillExit)
+	movdqa	%xmm0, (%edi)
+	add	$16, %edi
+	BRANCH_TO_JMPTBL_ENTRY (L(FillTable), %ebx, 4)
+
+L(StrncpyFillExit):
+	add	$16, %ebx
+	BRANCH_TO_JMPTBL_ENTRY (L(FillTable), %ebx, 4)
+
+	.p2align 4
+L(UnalignedLeaveCase2OrCase3):
+	test	%edx, %edx
+	jnz	L(Unaligned64LeaveCase2)
+L(Unaligned64LeaveCase3):
+	lea	64(%ebx), %ecx
+	and	$-16, %ecx
+	add	$48, %ebx
+	jl	L(CopyFrom1To16BytesCase3)
+	movdqu	%xmm4, (%edi)
+	sub	$16, %ebx
+	jb	L(CopyFrom1To16BytesCase3)
+	movdqu	%xmm5, 16(%edi)
+	sub	$16, %ebx
+	jb	L(CopyFrom1To16BytesCase3)
+	movdqu	%xmm6, 32(%edi)
+	sub	$16, %ebx
+	jb	L(CopyFrom1To16BytesCase3)
+	movdqu	%xmm7, 48(%edi)
+# ifdef USE_AS_STPCPY
+	lea	64(%edi), %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Unaligned64LeaveCase2):
+	xor	%ecx, %ecx
+	pcmpeqb	%xmm4, %xmm0
+	pmovmskb %xmm0, %edx
+	add	$48, %ebx
+	jle	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm4)
+
+	pcmpeqb	%xmm5, %xmm0
+	pmovmskb %xmm0, %edx
+	movdqu	%xmm4, (%edi)
+	add	$16, %ecx
+	sub	$16, %ebx
+	jbe	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm5)
+
+	pcmpeqb	%xmm6, %xmm0
+	pmovmskb %xmm0, %edx
+	movdqu	%xmm5, 16(%edi)
+	add	$16, %ecx
+	sub	$16, %ebx
+	jbe	L(CopyFrom1To16BytesCase2OrCase3)
+	test	%edx, %edx
+	jnz	L(CopyFrom1To16BytesUnalignedXmm6)
+
+	pcmpeqb	%xmm7, %xmm0
+	pmovmskb %xmm0, %edx
+	movdqu	%xmm6, 32(%edi)
+	lea	16(%edi, %ecx), %edi
+	lea	16(%esi, %ecx), %esi
+	bsf	%edx, %edx
+	cmp	%ebx, %edx
+	jb	L(CopyFrom1To16BytesExit)
+	BRANCH_TO_JMPTBL_ENTRY (L(ExitStrncpyTable), %ebx, 4)
+
+	.p2align 4
+L(ExitZero):
+	movl	%edi, %eax
+	RETURN
+
+END (STRCPY)
+
+	.p2align 4
+	.section .rodata
+L(ExitTable):
+	.int	JMPTBL(L(Exit1), L(ExitTable))
+	.int	JMPTBL(L(Exit2), L(ExitTable))
+	.int	JMPTBL(L(Exit3), L(ExitTable))
+	.int	JMPTBL(L(Exit4), L(ExitTable))
+	.int	JMPTBL(L(Exit5), L(ExitTable))
+	.int	JMPTBL(L(Exit6), L(ExitTable))
+	.int	JMPTBL(L(Exit7), L(ExitTable))
+	.int	JMPTBL(L(Exit8), L(ExitTable))
+	.int	JMPTBL(L(Exit9), L(ExitTable))
+	.int	JMPTBL(L(Exit10), L(ExitTable))
+	.int	JMPTBL(L(Exit11), L(ExitTable))
+	.int	JMPTBL(L(Exit12), L(ExitTable))
+	.int	JMPTBL(L(Exit13), L(ExitTable))
+	.int	JMPTBL(L(Exit14), L(ExitTable))
+	.int	JMPTBL(L(Exit15), L(ExitTable))
+	.int	JMPTBL(L(Exit16), L(ExitTable))
+	.int	JMPTBL(L(Exit17), L(ExitTable))
+	.int	JMPTBL(L(Exit18), L(ExitTable))
+	.int	JMPTBL(L(Exit19), L(ExitTable))
+	.int	JMPTBL(L(Exit20), L(ExitTable))
+	.int	JMPTBL(L(Exit21), L(ExitTable))
+	.int	JMPTBL(L(Exit22), L(ExitTable))
+	.int    JMPTBL(L(Exit23), L(ExitTable))
+	.int	JMPTBL(L(Exit24), L(ExitTable))
+	.int	JMPTBL(L(Exit25), L(ExitTable))
+	.int	JMPTBL(L(Exit26), L(ExitTable))
+	.int	JMPTBL(L(Exit27), L(ExitTable))
+	.int	JMPTBL(L(Exit28), L(ExitTable))
+	.int	JMPTBL(L(Exit29), L(ExitTable))
+	.int	JMPTBL(L(Exit30), L(ExitTable))
+	.int	JMPTBL(L(Exit31), L(ExitTable))
+	.int	JMPTBL(L(Exit32), L(ExitTable))
+
+L(ExitStrncpyTable):
+	.int	JMPTBL(L(Exit0), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit1), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit2), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit3), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit4), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit5), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit6), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit7), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit8), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit9), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit10), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit11), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit12), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit13), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit14), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit15), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit16), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit17), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit18), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit19), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit20), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit21), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit22), L(ExitStrncpyTable))
+	.int    JMPTBL(L(StrncpyExit23), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit24), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit25), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit26), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit27), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit28), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit29), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit30), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit31), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit32), L(ExitStrncpyTable))
+	.int	JMPTBL(L(StrncpyExit33), L(ExitStrncpyTable))
+
+	.p2align 4
+L(FillTable):
+	.int	JMPTBL(L(Fill0), L(FillTable))
+	.int	JMPTBL(L(Fill1), L(FillTable))
+	.int	JMPTBL(L(Fill2), L(FillTable))
+	.int	JMPTBL(L(Fill3), L(FillTable))
+	.int	JMPTBL(L(Fill4), L(FillTable))
+	.int	JMPTBL(L(Fill5), L(FillTable))
+	.int	JMPTBL(L(Fill6), L(FillTable))
+	.int	JMPTBL(L(Fill7), L(FillTable))
+	.int	JMPTBL(L(Fill8), L(FillTable))
+	.int	JMPTBL(L(Fill9), L(FillTable))
+	.int	JMPTBL(L(Fill10), L(FillTable))
+	.int	JMPTBL(L(Fill11), L(FillTable))
+	.int	JMPTBL(L(Fill12), L(FillTable))
+	.int	JMPTBL(L(Fill13), L(FillTable))
+	.int	JMPTBL(L(Fill14), L(FillTable))
+	.int	JMPTBL(L(Fill15), L(FillTable))
+	.int	JMPTBL(L(Fill16), L(FillTable))
+# else
+#  define PARMS  4
+#  define ENTRANCE
+#  define RETURN  POP (%edi); ret; CFI_PUSH (%edi)
+#  define RETURN1  ret
+
+	.text
+ENTRY (STRCPY)
+	ENTRANCE
+	mov	STR1(%esp), %edx
+	mov	STR2(%esp), %ecx
+
+	cmpb	$0, (%ecx)
+	jz	L(ExitTail1)
+	cmpb	$0, 1(%ecx)
+	jz	L(ExitTail2)
+	cmpb	$0, 2(%ecx)
+	jz	L(ExitTail3)
+	cmpb	$0, 3(%ecx)
+	jz	L(ExitTail4)
+	cmpb	$0, 4(%ecx)
+	jz	L(ExitTail5)
+	cmpb	$0, 5(%ecx)
+	jz	L(ExitTail6)
+	cmpb	$0, 6(%ecx)
+	jz	L(ExitTail7)
+	cmpb	$0, 7(%ecx)
+	jz	L(ExitTail8)
+	cmpb	$0, 8(%ecx)
+	jz	L(ExitTail9)
+	cmpb	$0, 9(%ecx)
+	jz	L(ExitTail10)
+	cmpb	$0, 10(%ecx)
+	jz	L(ExitTail11)
+	cmpb	$0, 11(%ecx)
+	jz	L(ExitTail12)
+	cmpb	$0, 12(%ecx)
+	jz	L(ExitTail13)
+	cmpb	$0, 13(%ecx)
+	jz	L(ExitTail14)
+	cmpb	$0, 14(%ecx)
+	jz	L(ExitTail15)
+	cmpb	$0, 15(%ecx)
+	jz	L(ExitTail16)
+
+	PUSH	(%edi)
+	PUSH	(%ebx)
+
+	mov	%edx, %edi
+	lea	16(%ecx), %ebx
+	and	$-16, %ebx
+	pxor	%xmm0, %xmm0
+	movdqu	(%ecx), %xmm1
+	movdqu	%xmm1, (%edx)
+	pcmpeqb	(%ebx), %xmm0
+	pmovmskb %xmm0, %eax
+	sub	%ecx, %ebx
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16Bytes)
+
+	mov	%ecx, %eax
+	lea	16(%ecx), %ecx
+	and	$-16, %ecx
+	sub	%ecx, %eax
+	sub	%eax, %edx
+	xor	%ebx, %ebx
+
+	.p2align 4
+	movdqa	(%ecx), %xmm1
+	movaps	16(%ecx), %xmm2
+	movdqu	%xmm1, (%edx)
+	pcmpeqb	%xmm2, %xmm0
+	pmovmskb %xmm0, %eax
+	add	$16, %ebx
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16Bytes)
+
+	movaps	16(%ecx, %ebx), %xmm3
+	movdqu	%xmm2, (%edx, %ebx)
+	pcmpeqb	%xmm3, %xmm0
+	pmovmskb %xmm0, %eax
+	add	$16, %ebx
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16Bytes)
+
+	movaps	16(%ecx, %ebx), %xmm4
+	movdqu	%xmm3, (%edx, %ebx)
+	pcmpeqb	%xmm4, %xmm0
+	pmovmskb %xmm0, %eax
+	add	$16, %ebx
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16Bytes)
+
+	movaps	16(%ecx, %ebx), %xmm1
+	movdqu	%xmm4, (%edx, %ebx)
+	pcmpeqb	%xmm1, %xmm0
+	pmovmskb %xmm0, %eax
+	add	$16, %ebx
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16Bytes)
+
+	movaps	16(%ecx, %ebx), %xmm2
+	movdqu	%xmm1, (%edx, %ebx)
+	pcmpeqb	%xmm2, %xmm0
+	pmovmskb %xmm0, %eax
+	add	$16, %ebx
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16Bytes)
+
+	movaps	16(%ecx, %ebx), %xmm3
+	movdqu	%xmm2, (%edx, %ebx)
+	pcmpeqb	%xmm3, %xmm0
+	pmovmskb %xmm0, %eax
+	add	$16, %ebx
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16Bytes)
+
+	movdqu	%xmm3, (%edx, %ebx)
+	mov	%ecx, %eax
+	lea	16(%ecx, %ebx), %ecx
+	and	$-0x40, %ecx
+	sub	%ecx, %eax
+	sub	%eax, %edx
+
+L(Aligned64Loop):
+	movaps	(%ecx), %xmm2
+	movaps	%xmm2, %xmm4
+	movaps	16(%ecx), %xmm5
+	movaps	32(%ecx), %xmm3
+	movaps	%xmm3, %xmm6
+	movaps	48(%ecx), %xmm7
+	pminub	%xmm5, %xmm2
+	add	$64, %ecx
+	pminub	%xmm7, %xmm3
+	add	$64, %edx
+	pminub	%xmm2, %xmm3
+	pcmpeqb	%xmm0, %xmm3
+	pmovmskb %xmm3, %eax
+	test	%eax, %eax
+	jnz	L(Aligned64Leave)
+L(Aligned64Loop_start):
+	movdqu	%xmm4, -64(%edx)
+	movaps	(%ecx), %xmm2
+	movdqa	%xmm2, %xmm4
+	movdqu	%xmm5, -48(%edx)
+	movaps	16(%ecx), %xmm5
+	pminub	%xmm5, %xmm2
+	movaps	32(%ecx), %xmm3
+	movdqu	%xmm6, -32(%edx)
+	movaps	%xmm3, %xmm6
+	movdqu	%xmm7, -16(%edx)
+	movaps	48(%ecx), %xmm7
+	pminub	%xmm7, %xmm3
+	pminub	%xmm2, %xmm3
+	pcmpeqb	%xmm3, %xmm0
+	pmovmskb %xmm0, %eax
+	add	$64, %edx
+	add	$64, %ecx
+	test	%eax, %eax
+	jz	L(Aligned64Loop_start)
+L(Aligned64Leave):
+	sub	$0xa0, %ebx
+	pxor	%xmm0, %xmm0
+	pcmpeqb	%xmm4, %xmm0
+	pmovmskb %xmm0, %eax
+	test	%eax, %eax
+	jnz	L(CopyFrom1To16Bytes)
+
+	pcmpeqb	%xmm5, %xmm0
+	pmovmskb %xmm0, %eax
+	movdqu	%xmm4, -64(%edx)
+	test	%eax, %eax
+	lea	16(%ebx), %ebx
+	jnz	L(CopyFrom1To16Bytes)
+
+	pcmpeqb	%xmm6, %xmm0
+	pmovmskb %xmm0, %eax
+	movdqu	%xmm5, -48(%edx)
+	test	%eax, %eax
+	lea	16(%ebx), %ebx
+	jnz	L(CopyFrom1To16Bytes)
+
+	movdqu	%xmm6, -32(%edx)
+	pcmpeqb	%xmm7, %xmm0
+	pmovmskb %xmm0, %eax
+	lea	16(%ebx), %ebx
+
+/*-----------------End of main part---------------------------*/
+
+	.p2align 4
+L(CopyFrom1To16Bytes):
+	add	%ebx, %edx
+	add	%ebx, %ecx
+
+	POP	(%ebx)
+	test	%al, %al
+	jz	L(ExitHigh)
+	test	$0x01, %al
+	jnz	L(Exit1)
+	test	$0x02, %al
+	jnz	L(Exit2)
+	test	$0x04, %al
+	jnz	L(Exit3)
+	test	$0x08, %al
+	jnz	L(Exit4)
+	test	$0x10, %al
+	jnz	L(Exit5)
+	test	$0x20, %al
+	jnz	L(Exit6)
+	test	$0x40, %al
+	jnz	L(Exit7)
+	/* Exit 8 */
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+# ifdef USE_AS_STPCPY
+	lea	7(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(ExitHigh):
+	test	$0x01, %ah
+	jnz	L(Exit9)
+	test	$0x02, %ah
+	jnz	L(Exit10)
+	test	$0x04, %ah
+	jnz	L(Exit11)
+	test	$0x08, %ah
+	jnz	L(Exit12)
+	test	$0x10, %ah
+	jnz	L(Exit13)
+	test	$0x20, %ah
+	jnz	L(Exit14)
+	test	$0x40, %ah
+	jnz	L(Exit15)
+	/* Exit 16 */
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	8(%ecx), %xmm0
+	movlpd	%xmm0, 8(%edx)
+# ifdef USE_AS_STPCPY
+	lea	15(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit1):
+	movb	(%ecx), %al
+	movb	%al, (%edx)
+# ifdef USE_AS_STPCPY
+	lea	(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit2):
+	movw	(%ecx), %ax
+	movw	%ax, (%edx)
+# ifdef USE_AS_STPCPY
+	lea	1(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit3):
+	movw	(%ecx), %ax
+	movw	%ax, (%edx)
+	movb	2(%ecx), %al
+	movb	%al, 2(%edx)
+# ifdef USE_AS_STPCPY
+	lea	2(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit4):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+# ifdef USE_AS_STPCPY
+	lea	3(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit5):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movb	4(%ecx), %al
+	movb	%al, 4(%edx)
+# ifdef USE_AS_STPCPY
+	lea	4(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit6):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movw	4(%ecx), %ax
+	movw	%ax, 4(%edx)
+# ifdef USE_AS_STPCPY
+	lea	5(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit7):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	3(%ecx), %eax
+	movl	%eax, 3(%edx)
+# ifdef USE_AS_STPCPY
+	lea	6(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit9):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+	movb	8(%ecx), %al
+	movb	%al, 8(%edx)
+# ifdef USE_AS_STPCPY
+	lea	8(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit10):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+	movw	8(%ecx), %ax
+	movw	%ax, 8(%edx)
+# ifdef USE_AS_STPCPY
+	lea	9(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit11):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+	movl	7(%ecx), %eax
+	movl	%eax, 7(%edx)
+# ifdef USE_AS_STPCPY
+	lea	10(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit12):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+	movl	8(%ecx), %eax
+	movl	%eax, 8(%edx)
+# ifdef USE_AS_STPCPY
+	lea	11(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit13):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	5(%ecx), %xmm0
+	movlpd	%xmm0, 5(%edx)
+# ifdef USE_AS_STPCPY
+	lea	12(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit14):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	6(%ecx), %xmm0
+	movlpd	%xmm0, 6(%edx)
+# ifdef USE_AS_STPCPY
+	lea	13(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+	.p2align 4
+L(Exit15):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	7(%ecx), %xmm0
+	movlpd	%xmm0, 7(%edx)
+# ifdef USE_AS_STPCPY
+	lea	14(%edx), %eax
+# else
+	movl	%edi, %eax
+# endif
+	RETURN
+
+CFI_POP (%edi)
+
+	.p2align 4
+L(ExitTail1):
+	movb	(%ecx), %al
+	movb	%al, (%edx)
+	movl	%edx, %eax
+	RETURN1
+
+	.p2align 4
+L(ExitTail2):
+	movw	(%ecx), %ax
+	movw	%ax, (%edx)
+# ifdef USE_AS_STPCPY
+	lea	1(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail3):
+	movw	(%ecx), %ax
+	movw	%ax, (%edx)
+	movb	2(%ecx), %al
+	movb	%al, 2(%edx)
+# ifdef USE_AS_STPCPY
+	lea	2(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail4):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+# ifdef USE_AS_STPCPY
+	lea	3(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail5):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movb	4(%ecx), %al
+	movb	%al, 4(%edx)
+# ifdef USE_AS_STPCPY
+	lea	4(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail6):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movw	4(%ecx), %ax
+	movw	%ax, 4(%edx)
+# ifdef USE_AS_STPCPY
+	lea	5(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail7):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	3(%ecx), %eax
+	movl	%eax, 3(%edx)
+# ifdef USE_AS_STPCPY
+	lea	6(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail8):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+# ifdef USE_AS_STPCPY
+	lea	7(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail9):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+	movb	8(%ecx), %al
+	movb	%al, 8(%edx)
+# ifdef USE_AS_STPCPY
+	lea	8(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail10):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+	movw	8(%ecx), %ax
+	movw	%ax, 8(%edx)
+# ifdef USE_AS_STPCPY
+	lea	9(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail11):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+	movl	7(%ecx), %eax
+	movl	%eax, 7(%edx)
+# ifdef USE_AS_STPCPY
+	lea	10(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail12):
+	movl	(%ecx), %eax
+	movl	%eax, (%edx)
+	movl	4(%ecx), %eax
+	movl	%eax, 4(%edx)
+	movl	8(%ecx), %eax
+	movl	%eax, 8(%edx)
+# ifdef USE_AS_STPCPY
+	lea	11(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail13):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	5(%ecx), %xmm0
+	movlpd	%xmm0, 5(%edx)
+# ifdef USE_AS_STPCPY
+	lea	12(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail14):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	6(%ecx), %xmm0
+	movlpd	%xmm0, 6(%edx)
+# ifdef USE_AS_STPCPY
+	lea	13(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail15):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	7(%ecx), %xmm0
+	movlpd	%xmm0, 7(%edx)
+# ifdef USE_AS_STPCPY
+	lea	14(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+	.p2align 4
+L(ExitTail16):
+	movlpd	(%ecx), %xmm0
+	movlpd	%xmm0, (%edx)
+	movlpd	8(%ecx), %xmm0
+	movlpd	%xmm0, 8(%edx)
+# ifdef USE_AS_STPCPY
+	lea	15(%edx), %eax
+# else
+	movl	%edx, %eax
+# endif
+	RETURN1
+
+END (STRCPY)
+# endif
+
+#endif