/
strcpy-sse2.S
2251 lines (2032 loc) · 40.7 KB
/
strcpy-sse2.S
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/* 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