0a490665a3
Optimized strcpy, strcat, strncpy, strncat, strlcpy, strlcat, memchr, memrchr, strchr, strrchr, index, strnlen, strlen, wcslen, wmemcmp, wcscmp, wcschr, wcsrchr, wcscpy, wcscat Change-Id: I82b29132edf9a2e144e0bb3ee4ff5217df8d2a6d Signed-off-by: Liubov Dmitrieva <liubov.dmitrieva@intel.com>
115 lines
2.9 KiB
ArmAsm
115 lines
2.9 KiB
ArmAsm
/*
|
|
Copyright (c) 2011 Intel Corporation
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
|
|
* Neither the name of Intel Corporation nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
|
|
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#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)
|
|
|
|
#define PARMS 4
|
|
#define STR1 PARMS+4
|
|
#define STR2 STR1+4
|
|
|
|
#define USE_AS_WCSCAT
|
|
|
|
.text
|
|
ENTRY (wcscat)
|
|
PUSH (%edi)
|
|
mov STR1(%esp), %edi
|
|
mov %edi, %edx
|
|
|
|
#define RETURN jmp L(WcscpyAtom)
|
|
#include "sse2-wcslen-atom.S"
|
|
|
|
L(WcscpyAtom):
|
|
shl $2, %eax
|
|
mov STR2(%esp), %ecx
|
|
lea (%edi, %eax), %edx
|
|
|
|
cmp $0, (%ecx)
|
|
jz L(Exit4)
|
|
cmp $0, 4(%ecx)
|
|
jz L(Exit8)
|
|
cmp $0, 8(%ecx)
|
|
jz L(Exit12)
|
|
cmp $0, 12(%ecx)
|
|
jz L(Exit16)
|
|
|
|
#undef RETURN
|
|
#define RETURN POP(%edi); ret; CFI_PUSH(%edi)
|
|
#include "ssse3-wcscpy-atom.S"
|
|
|
|
END (wcscat)
|