blob: b5d84b51f90d5fa924398101de70ed3f701650fe [file] [log] [blame]
/*
Copyright (c) 2014, 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.
*/
#ifndef L
# define L(label) .L##label
#endif
#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)
#ifndef STRCPY
# define STRCPY strcpy
#endif
#ifdef USE_AS_STPNCPY
# define USE_AS_STRNCPY
# define USE_AS_STPCPY
#endif
#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(%edi); CFI_PUSH(%edi);
#else
# define PARMS 12
# define ENTRANCE PUSH(%esi); PUSH(%edi)
# define RETURN POP(%edi); POP(%esi); ret; CFI_PUSH(%esi); CFI_PUSH(%edi);
#endif
#define STR1 PARMS
#define STR2 STR1+4
#define LEN STR2+4
#if (defined SHARED || defined __PIC__)
# 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 __x86.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
#ifdef USE_AS_STRNCPY
movl LEN(%esp), %ebx
test %ebx, %ebx
jz L(ExitZero)
#endif
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
#ifdef USE_AS_STRNCPY
add %ecx, %ebx
#endif
pmovmskb %xmm1, %edx
shr %cl, %edx
#ifdef USE_AS_STRNCPY
#ifdef USE_AS_STPCPY
cmp $16, %ebx
jbe L(CopyFrom1To16BytesTailCase2OrCase3)
#else
cmp $17, %ebx
jbe L(CopyFrom1To16BytesTailCase2OrCase3)
#endif
#endif
test %edx, %edx
jnz L(CopyFrom1To16BytesTail)
pcmpeqb 16(%esi), %xmm0
pmovmskb %xmm0, %edx
#ifdef USE_AS_STRNCPY
#ifdef USE_AS_STPCPY
cmp $32, %ebx
jbe L(CopyFrom1To32BytesCase2OrCase3)
#else
cmp $33, %ebx
jbe L(CopyFrom1To32BytesCase2OrCase3)
#endif
#endif
test %edx, %edx
jnz L(CopyFrom1To32Bytes)
movdqu (%esi, %ecx), %xmm1 /* copy 16 bytes */
movdqu %xmm1, (%edi)
sub %ecx, %edi
mov %edi, %edx
mov $16, %ecx
and $15, %edx
jz L(Align16Both)
/* If source adress alignment != destination adress alignment */
.p2align 4
L(Unalign16Both):
movdqa (%esi, %ecx), %xmm1
movaps 16(%esi, %ecx), %xmm2
movdqu %xmm1, (%edi, %ecx)
pcmpeqb %xmm2, %xmm0
pmovmskb %xmm0, %edx
add $16, %ecx
#ifdef USE_AS_STRNCPY
sub $48, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesUnalignedXmm2)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movaps 16(%esi, %ecx), %xmm3
movdqu %xmm2, (%edi, %ecx)
pcmpeqb %xmm3, %xmm0
pmovmskb %xmm0, %edx
add $16, %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesUnalignedXmm3)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movaps 16(%esi, %ecx), %xmm4
movdqu %xmm3, (%edi, %ecx)
pcmpeqb %xmm4, %xmm0
pmovmskb %xmm0, %edx
add $16, %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesUnalignedXmm4)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movaps 16(%esi, %ecx), %xmm1
movdqu %xmm4, (%edi, %ecx)
pcmpeqb %xmm1, %xmm0
pmovmskb %xmm0, %edx
add $16, %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesUnalignedXmm1)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movaps 16(%esi, %ecx), %xmm2
movdqu %xmm1, (%edi, %ecx)
pcmpeqb %xmm2, %xmm0
pmovmskb %xmm0, %edx
add $16, %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesUnalignedXmm2)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movaps 16(%esi, %ecx), %xmm3
movdqu %xmm2, (%edi, %ecx)
pcmpeqb %xmm3, %xmm0
pmovmskb %xmm0, %edx
add $16, %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesUnalignedXmm3)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movdqu %xmm3, (%edi, %ecx)
mov %esi, %edx
lea 16(%esi, %ecx), %esi
and $-0x40, %esi
sub %esi, %edx
sub %edx, %edi
#ifdef USE_AS_STRNCPY
lea 64+64(%ebx, %edx), %ebx
#endif
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
#ifdef USE_AS_STRNCPY
sub $64, %ebx
jbe L(UnalignedLeaveCase2OrCase3)
#endif
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 %xmm3, %xmm0
pmovmskb %xmm0, %edx
#ifdef USE_AS_STRNCPY
sub $64, %ebx
jbe L(UnalignedLeaveCase2OrCase3)
#endif
test %edx, %edx
jz L(Unaligned64Loop_start)
L(Unaligned64Leave):
pxor %xmm0, %xmm0
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_STRNCPY
#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)
#else
add $48, %esi
add $48, %edi
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
/* If source adress alignment == destination adress alignment */
L(SourceStringAlignmentZero):
pxor %xmm0, %xmm0
movdqa (%esi), %xmm1
pcmpeqb %xmm1, %xmm0
pmovmskb %xmm0, %edx
#ifdef USE_AS_STRNCPY
#ifdef USE_AS_STPCPY
cmp $16, %ebx
jbe L(CopyFrom1To16BytesTail1Case2OrCase3)
#else
cmp $17, %ebx
jbe L(CopyFrom1To16BytesTail1Case2OrCase3)
#endif
#endif
test %edx, %edx
jnz L(CopyFrom1To16BytesTail1)
pcmpeqb 16(%esi), %xmm0
movdqu %xmm1, (%edi)
pmovmskb %xmm0, %edx
#ifdef USE_AS_STRNCPY
#ifdef USE_AS_STPCPY
cmp $32, %ebx
jbe L(CopyFrom1To32Bytes1Case2OrCase3)
#else
cmp $33, %ebx
jbe L(CopyFrom1To32Bytes1Case2OrCase3)
#endif
#endif
test %edx, %edx
jnz L(CopyFrom1To32Bytes1)
mov %edi, %edx
mov $16, %ecx
and $15, %edx
jnz L(Unalign16Both)
L(Align16Both):
movdqa (%esi, %ecx), %xmm1
movdqa 16(%esi, %ecx), %xmm2
movdqa %xmm1, (%edi, %ecx)
pcmpeqb %xmm2, %xmm0
pmovmskb %xmm0, %edx
add $16, %ecx
#ifdef USE_AS_STRNCPY
sub $48, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm2)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movdqa 16(%esi, %ecx), %xmm3
movdqa %xmm2, (%edi, %ecx)
pcmpeqb %xmm3, %xmm0
pmovmskb %xmm0, %edx
lea 16(%ecx), %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm3)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movdqa 16(%esi, %ecx), %xmm4
movdqa %xmm3, (%edi, %ecx)
pcmpeqb %xmm4, %xmm0
pmovmskb %xmm0, %edx
lea 16(%ecx), %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm4)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movdqa 16(%esi, %ecx), %xmm1
movdqa %xmm4, (%edi, %ecx)
pcmpeqb %xmm1, %xmm0
pmovmskb %xmm0, %edx
lea 16(%ecx), %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm1)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movdqa 16(%esi, %ecx), %xmm2
movdqa %xmm1, (%edi, %ecx)
pcmpeqb %xmm2, %xmm0
pmovmskb %xmm0, %edx
lea 16(%ecx), %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm2)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movdqa 16(%esi, %ecx), %xmm3
movdqa %xmm2, (%edi, %ecx)
pcmpeqb %xmm3, %xmm0
pmovmskb %xmm0, %edx
lea 16(%ecx), %ecx
#ifdef USE_AS_STRNCPY
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm3)
#else
test %edx, %edx
jnz L(CopyFrom1To16Bytes)
#endif
movdqa %xmm3, (%edi, %ecx)
mov %esi, %edx
lea 16(%esi, %ecx), %esi
and $-0x40, %esi
sub %esi, %edx
sub %edx, %edi
#ifdef USE_AS_STRNCPY
lea 64+64(%ebx, %edx), %ebx
#endif
L(Aligned64Loop):
movdqa (%esi), %xmm2
movdqa %xmm2, %xmm4
movaps 16(%esi), %xmm5
movdqa 32(%esi), %xmm3
movdqa %xmm3, %xmm6
movaps 48(%esi), %xmm7
pminub %xmm5, %xmm2
pminub %xmm7, %xmm3
pminub %xmm2, %xmm3
pcmpeqb %xmm0, %xmm3
pmovmskb %xmm3, %edx
#ifdef USE_AS_STRNCPY
sub $64, %ebx
jbe L(AlignedLeaveCase2OrCase3)
#endif
test %edx, %edx
jnz L(Aligned64Leave)
L(Aligned64Loop_start):
add $64, %esi
add $64, %edi
movaps %xmm4, -64(%edi)
movdqa (%esi), %xmm2
movdqa %xmm2, %xmm4
movaps %xmm5, -48(%edi)
movaps 16(%esi), %xmm5
pminub %xmm5, %xmm2
movaps 32(%esi), %xmm3
movaps %xmm6, -32(%edi)
movdqa %xmm3, %xmm6
movaps %xmm7, -16(%edi)
movaps 48(%esi), %xmm7
pminub %xmm7, %xmm3
pminub %xmm2, %xmm3
pcmpeqb %xmm3, %xmm0
pmovmskb %xmm0, %edx
#ifdef USE_AS_STRNCPY
sub $64, %ebx
jbe L(AlignedLeaveCase2OrCase3)
#endif
test %edx, %edx
jz L(Aligned64Loop_start)
L(Aligned64Leave):
pxor %xmm0, %xmm0
pxor %xmm1, %xmm1
pcmpeqb %xmm4, %xmm0
pcmpeqb %xmm5, %xmm1
pmovmskb %xmm0, %edx
pmovmskb %xmm1, %ecx
test %edx, %edx
jnz L(CopyFrom1To16Bytes_0)
test %ecx, %ecx
jnz L(CopyFrom1To16Bytes_16)
pcmpeqb %xmm6, %xmm0
pcmpeqb %xmm7, %xmm1
pmovmskb %xmm0, %edx
pmovmskb %xmm1, %ecx
test %edx, %edx
jnz L(CopyFrom1To16Bytes_32)
bsf %ecx, %edx
movdqa %xmm4, (%edi)
movdqa %xmm5, 16(%edi)
movdqa %xmm6, 32(%edi)
#ifdef USE_AS_STRNCPY
#ifdef USE_AS_STPCPY
lea 48(%edi, %edx), %eax
#endif
movdqa %xmm7, 48(%edi)
add $15, %ebx
sub %edx, %ebx
lea 49(%edi, %edx), %edi
jmp L(StrncpyFillTailWithZero)
#else
add $48, %esi
add $48, %edi
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
/*----------------------------------------------------*/
/* Case1 */
#ifndef USE_AS_STRNCPY
.p2align 4
L(CopyFrom1To16Bytes):
add %ecx, %edi
add %ecx, %esi
bsf %edx, %edx
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
.p2align 4
L(CopyFrom1To16BytesTail):
#ifdef USE_AS_STRNCPY
sub %ecx, %ebx
#endif
add %ecx, %esi
bsf %edx, %edx
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
.p2align 4
L(CopyFrom1To32Bytes1):
add $16, %esi
add $16, %edi
#ifdef USE_AS_STRNCPY
sub $16, %ebx
#endif
L(CopyFrom1To16BytesTail1):
bsf %edx, %edx
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
.p2align 4
L(CopyFrom1To32Bytes):
#ifdef USE_AS_STRNCPY
sub %ecx, %ebx
#endif
bsf %edx, %edx
add %ecx, %esi
add $16, %edx
sub %ecx, %edx
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
.p2align 4
L(CopyFrom1To16Bytes_0):
bsf %edx, %edx
#ifdef USE_AS_STRNCPY
#ifdef USE_AS_STPCPY
lea (%edi, %edx), %eax
#endif
movdqa %xmm4, (%edi)
add $63, %ebx
sub %edx, %ebx
lea 1(%edi, %edx), %edi
jmp L(StrncpyFillTailWithZero)
#else
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
.p2align 4
L(CopyFrom1To16Bytes_16):
bsf %ecx, %edx
movdqa %xmm4, (%edi)
#ifdef USE_AS_STRNCPY
#ifdef USE_AS_STPCPY
lea 16(%edi, %edx), %eax
#endif
movdqa %xmm5, 16(%edi)
add $47, %ebx
sub %edx, %ebx
lea 17(%edi, %edx), %edi
jmp L(StrncpyFillTailWithZero)
#else
add $16, %esi
add $16, %edi
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
.p2align 4
L(CopyFrom1To16Bytes_32):
bsf %edx, %edx
movdqa %xmm4, (%edi)
movdqa %xmm5, 16(%edi)
#ifdef USE_AS_STRNCPY
#ifdef USE_AS_STPCPY
lea 32(%edi, %edx), %eax
#endif
movdqa %xmm6, 32(%edi)
add $31, %ebx
sub %edx, %ebx
lea 33(%edi, %edx), %edi
jmp L(StrncpyFillTailWithZero)
#else
add $32, %esi
add $32, %edi
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
.p2align 4
L(CopyFrom1To16BytesUnaligned_0):
bsf %edx, %edx
#ifdef USE_AS_STRNCPY
#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)
#else
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
.p2align 4
L(CopyFrom1To16BytesUnaligned_16):
bsf %ecx, %edx
movdqu %xmm4, (%edi)
#ifdef USE_AS_STRNCPY
#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)
#else
add $16, %esi
add $16, %edi
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
.p2align 4
L(CopyFrom1To16BytesUnaligned_32):
bsf %edx, %edx
movdqu %xmm4, (%edi)
movdqu %xmm5, 16(%edi)
#ifdef USE_AS_STRNCPY
#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)
#else
add $32, %esi
add $32, %edi
BRANCH_TO_JMPTBL_ENTRY (L(ExitTable), %edx, 4)
#endif
#ifdef USE_AS_STRNCPY
.p2align 4
L(CopyFrom1To16BytesXmm6):
movdqa %xmm6, (%edi, %ecx)
jmp L(CopyFrom1To16BytesXmmExit)
.p2align 4
L(CopyFrom1To16BytesXmm5):
movdqa %xmm5, (%edi, %ecx)
jmp L(CopyFrom1To16BytesXmmExit)
.p2align 4
L(CopyFrom1To16BytesXmm4):
movdqa %xmm4, (%edi, %ecx)
jmp L(CopyFrom1To16BytesXmmExit)
.p2align 4
L(CopyFrom1To16BytesXmm3):
movdqa %xmm3, (%edi, %ecx)
jmp L(CopyFrom1To16BytesXmmExit)
.p2align 4
L(CopyFrom1To16BytesXmm2):
movdqa %xmm2, (%edi, %ecx)
jmp L(CopyFrom1To16BytesXmmExit)
.p2align 4
L(CopyFrom1To16BytesXmm1):
movdqa %xmm1, (%edi, %ecx)
jmp L(CopyFrom1To16BytesXmmExit)
.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)
#endif
/*-----------------------------------------------------------------*/
.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
#ifdef USE_AS_STRNCPY
sub $1, %ebx
lea 1(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit2):
movw (%esi), %dx
movw %dx, (%edi)
#ifdef USE_AS_STPCPY
lea 1(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $2, %ebx
lea 2(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit3):
movw (%esi), %cx
movw %cx, (%edi)
movb %dh, 2(%edi)
#ifdef USE_AS_STPCPY
lea 2(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $3, %ebx
lea 3(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit4):
movl (%esi), %edx
movl %edx, (%edi)
#ifdef USE_AS_STPCPY
lea 3(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $4, %ebx
lea 4(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit5):
movl (%esi), %ecx
movb %dh, 4(%edi)
movl %ecx, (%edi)
#ifdef USE_AS_STPCPY
lea 4(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $5, %ebx
lea 5(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $6, %ebx
lea 6(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $7, %ebx
lea 7(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit8):
movlpd (%esi), %xmm0
movlpd %xmm0, (%edi)
#ifdef USE_AS_STPCPY
lea 7(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $8, %ebx
lea 8(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit9):
movlpd (%esi), %xmm0
movb %dh, 8(%edi)
movlpd %xmm0, (%edi)
#ifdef USE_AS_STPCPY
lea 8(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $9, %ebx
lea 9(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $10, %ebx
lea 10(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $11, %ebx
lea 11(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $12, %ebx
lea 12(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $13, %ebx
lea 13(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $14, %ebx
lea 14(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $15, %ebx
lea 15(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit16):
movdqu (%esi), %xmm0
movdqu %xmm0, (%edi)
#ifdef USE_AS_STPCPY
lea 15(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $16, %ebx
lea 16(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit17):
movdqu (%esi), %xmm0
xor %cl, %cl
movdqu %xmm0, (%edi)
movb %cl, 16(%edi)
#ifdef USE_AS_STPCPY
lea 16(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $17, %ebx
lea 17(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $18, %ebx
lea 18(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $19, %ebx
lea 19(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $20, %ebx
lea 20(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit21):
movdqu (%esi), %xmm0
movl 16(%esi), %ecx
xor %dl, %dl
movdqu %xmm0, (%edi)
movl %ecx, 16(%edi)
movb %dl, 20(%edi)
#ifdef USE_AS_STPCPY
lea 20(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $21, %ebx
lea 21(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $22, %ebx
lea 22(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $23, %ebx
lea 23(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $24, %ebx
lea 24(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
.p2align 4
L(Exit25):
movdqu (%esi), %xmm0
movlpd 16(%esi), %xmm2
xor %cl, %cl
movdqu %xmm0, (%edi)
movlpd %xmm2, 16(%edi)
movb %cl, 24(%edi)
#ifdef USE_AS_STPCPY
lea 24(%edi), %eax
#endif
#ifdef USE_AS_STRNCPY
sub $25, %ebx
lea 25(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $26, %ebx
lea 26(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $27, %ebx
lea 27(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $28, %ebx
lea 28(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $29, %ebx
lea 29(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $30, %ebx
lea 30(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $31, %ebx
lea 31(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
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
#ifdef USE_AS_STRNCPY
sub $32, %ebx
lea 32(%edi), %edi
jnz L(StrncpyFillTailWithZero)
#endif
RETURN
#ifdef USE_AS_STRNCPY
.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(AlignedLeaveCase2OrCase3):
test %edx, %edx
jnz L(Aligned64LeaveCase2)
L(Aligned64LeaveCase3):
lea 64(%ebx), %ecx
and $-16, %ecx
add $48, %ebx
jl L(CopyFrom1To16BytesCase3)
movdqa %xmm4, (%edi)
sub $16, %ebx
jb L(CopyFrom1To16BytesCase3)
movdqa %xmm5, 16(%edi)
sub $16, %ebx
jb L(CopyFrom1To16BytesCase3)
movdqa %xmm6, 32(%edi)
sub $16, %ebx
jb L(CopyFrom1To16BytesCase3)
movdqa %xmm7, 48(%edi)
#ifdef USE_AS_STPCPY
lea 64(%edi), %eax
#endif
RETURN
.p2align 4
L(Aligned64LeaveCase2):
pxor %xmm0, %xmm0
xor %ecx, %ecx
pcmpeqb %xmm4, %xmm0
pmovmskb %xmm0, %edx
add $48, %ebx
jle L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm4)
pcmpeqb %xmm5, %xmm0
pmovmskb %xmm0, %edx
movdqa %xmm4, (%edi)
add $16, %ecx
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm5)
pcmpeqb %xmm6, %xmm0
pmovmskb %xmm0, %edx
movdqa %xmm5, 16(%edi)
add $16, %ecx
sub $16, %ebx
jbe L(CopyFrom1To16BytesCase2OrCase3)
test %edx, %edx
jnz L(CopyFrom1To16BytesXmm6)
pcmpeqb %xmm7, %xmm0
pmovmskb %xmm0, %edx
movdqa %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(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):
pxor %xmm0, %xmm0
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
#endif
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))
#ifdef USE_AS_STRNCPY
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))
#endif