+++ /dev/null
-/* Optimized, inlined string functions. i386 version.
- Copyright (C) 1997,1998,1999,2000,2003 Free Software Foundation, Inc.
- 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 _STRING_H
-# error "Never use <bits/string.h> directly; include <string.h> instead."
-#endif
-
-/* The ix86 processors can access unaligned multi-byte variables. */
-#define _STRING_ARCH_unaligned 1
-
-
-/* We only provide optimizations if the user selects them and if
- GNU CC is used. */
-#if !defined __NO_STRING_INLINES && defined __USE_STRING_INLINES \
- && defined __GNUC__ && __GNUC__ >= 2 && !__BOUNDED_POINTERS__
-
-#ifndef __STRING_INLINE
-# ifdef __cplusplus
-# define __STRING_INLINE inline
-# else
-# define __STRING_INLINE extern __inline
-# endif
-#endif
-
-
-/* Copy N bytes of SRC to DEST. */
-#define _HAVE_STRING_ARCH_memcpy 1
-#define memcpy(dest, src, n) \
- (__extension__ (__builtin_constant_p (n) \
- ? __memcpy_c ((dest), (src), (n)) \
- : memcpy ((dest), (src), (n))))
-/* This looks horribly ugly, but the compiler can optimize it totally,
- as the count is constant. */
-__STRING_INLINE void *__memcpy_c (void *__dest, __const void *__src,
- size_t __n);
-
-__STRING_INLINE void *
-__memcpy_c (void *__dest, __const void *__src, size_t __n)
-{
- register unsigned long int __d0, __d1, __d2;
- union {
- unsigned int __ui;
- unsigned short int __usi;
- unsigned char __uc;
- } *__u = __dest;
- switch (__n)
- {
- case 0:
- return __dest;
- case 1:
- __u->__uc = *(const unsigned char *) __src;
- return __dest;
- case 2:
- __u->__usi = *(const unsigned short int *) __src;
- return __dest;
- case 3:
- __u->__usi = *(const unsigned short int *) __src;
- __u = (void *) __u + 2;
- __u->__uc = *(2 + (const unsigned char *) __src);
- return __dest;
- case 4:
- __u->__ui = *(const unsigned int *) __src;
- return __dest;
- case 6:
- __u->__ui = *(const unsigned int *) __src;
- __u = (void *) __u + 4;
- __u->__usi = *(2 + (const unsigned short int *) __src);
- return __dest;
- case 8:
- __u->__ui = *(const unsigned int *) __src;
- __u = (void *) __u + 4;
- __u->__ui = *(1 + (const unsigned int *) __src);
- return __dest;
- case 12:
- __u->__ui = *(const unsigned int *) __src;
- __u = (void *) __u + 4;
- __u->__ui = *(1 + (const unsigned int *) __src);
- __u = (void *) __u + 4;
- __u->__ui = *(2 + (const unsigned int *) __src);
- return __dest;
- case 16:
- __u->__ui = *(const unsigned int *) __src;
- __u = (void *) __u + 4;
- __u->__ui = *(1 + (const unsigned int *) __src);
- __u = (void *) __u + 4;
- __u->__ui = *(2 + (const unsigned int *) __src);
- __u = (void *) __u + 4;
- __u->__ui = *(3 + (const unsigned int *) __src);
- return __dest;
- case 20:
- __u->__ui = *(const unsigned int *) __src;
- __u = (void *) __u + 4;
- __u->__ui = *(1 + (const unsigned int *) __src);
- __u = (void *) __u + 4;
- __u->__ui = *(2 + (const unsigned int *) __src);
- __u = (void *) __u + 4;
- __u->__ui = *(3 + (const unsigned int *) __src);
- __u = (void *) __u + 4;
- __u->__ui = *(4 + (const unsigned int *) __src);
- return __dest;
- }
-#define __COMMON_CODE(x) \
- __asm__ __volatile__ \
- ("cld\n\t" \
- "rep; movsl" \
- x \
- : "=&c" (__d0), "=&D" (__d1), "=&S" (__d2) \
- : "0" (__n / 4), "1" (&__u->__uc), "2" (__src) \
- : "memory");
-
- switch (__n % 4)
- {
- case 0:
- __COMMON_CODE ("");
- break;
- case 1:
- __COMMON_CODE ("\n\tmovsb");
- break;
- case 2:
- __COMMON_CODE ("\n\tmovsw");
- break;
- case 3:
- __COMMON_CODE ("\n\tmovsw\n\tmovsb");
- break;
- }
- return __dest;
-#undef __COMMON_CODE
-}
-
-
-/* Copy N bytes of SRC to DEST, guaranteeing
- correct behavior for overlapping strings. */
-#define _HAVE_STRING_ARCH_memmove 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE void *
-memmove (void *__dest, __const void *__src, size_t __n)
-{
- register unsigned long int __d0, __d1, __d2;
- if (__dest < __src)
- __asm__ __volatile__
- ("cld\n\t"
- "rep\n\t"
- "movsb"
- : "=&c" (__d0), "=&S" (__d1), "=&D" (__d2)
- : "0" (__n), "1" (__src), "2" (__dest)
- : "memory");
- else
- __asm__ __volatile__
- ("std\n\t"
- "rep\n\t"
- "movsb\n\t"
- "cld"
- : "=&c" (__d0), "=&S" (__d1), "=&D" (__d2)
- : "0" (__n), "1" (__n - 1 + (const char *) __src),
- "2" (__n - 1 + (char *) __dest)
- : "memory");
- return __dest;
-}
-#endif
-
-/* Set N bytes of S to C. */
-#define _HAVE_STRING_ARCH_memset 1
-#define _USE_STRING_ARCH_memset 1
-#define memset(s, c, n) \
- (__extension__ (__builtin_constant_p (c) \
- ? (__builtin_constant_p (n) \
- ? __memset_cc (s, 0x01010101UL * (unsigned char) (c), n) \
- : __memset_cg (s, 0x01010101UL * (unsigned char) (c), n))\
- : __memset_gg (s, c, n)))
-
-__STRING_INLINE void *__memset_cc (void *__s, unsigned long int __pattern,
- size_t __n);
-
-__STRING_INLINE void *
-__memset_cc (void *__s, unsigned long int __pattern, size_t __n)
-{
- register unsigned long int __d0, __d1;
- union {
- unsigned int __ui;
- unsigned short int __usi;
- unsigned char __uc;
- } *__u = __s;
- switch (__n)
- {
- case 0:
- return __s;
- case 1:
- __u->__uc = __pattern;
- return __s;
- case 2:
- __u->__usi = __pattern;
- return __s;
- case 3:
- __u->__usi = __pattern;
- __u = __extension__ ((void *) __u + 2);
- __u->__uc = __pattern;
- return __s;
- case 4:
- __u->__ui = __pattern;
- return __s;
- }
-#define __COMMON_CODE(x) \
- __asm__ __volatile__ \
- ("cld\n\t" \
- "rep; stosl" \
- x \
- : "=&c" (__d0), "=&D" (__d1) \
- : "a" (__pattern), "0" (__n / 4), "1" (&__u->__uc) \
- : "memory")
-
- switch (__n % 4)
- {
- case 0:
- __COMMON_CODE ("");
- break;
- case 1:
- __COMMON_CODE ("\n\tstosb");
- break;
- case 2:
- __COMMON_CODE ("\n\tstosw");
- break;
- case 3:
- __COMMON_CODE ("\n\tstosw\n\tstosb");
- break;
- }
- return __s;
-#undef __COMMON_CODE
-}
-
-__STRING_INLINE void *__memset_cg (void *__s, unsigned long __c, size_t __n);
-
-__STRING_INLINE void *
-__memset_cg (void *__s, unsigned long __c, size_t __n)
-{
- register unsigned long int __d0, __d1;
- __asm__ __volatile__
- ("cld\n\t"
- "rep; stosl\n\t"
- "testb $2,%b3\n\t"
- "je 1f\n\t"
- "stosw\n"
- "1:\n\t"
- "testb $1,%b3\n\t"
- "je 2f\n\t"
- "stosb\n"
- "2:"
- : "=&c" (__d0), "=&D" (__d1)
- : "a" (__c), "q" (__n), "0" (__n / 4), "1" (__s)
- : "memory");
- return __s;
-}
-
-__STRING_INLINE void *__memset_gg (void *__s, char __c, size_t __n);
-
-__STRING_INLINE void *
-__memset_gg (void *__s, char __c, size_t __n)
-{
- register unsigned long int __d0, __d1;
- __asm__ __volatile__
- ("cld\n\t"
- "rep; stosb"
- : "=&D" (__d0), "=&c" (__d1)
- : "a" (__c), "0" (__s), "1" (__n)
- : "memory");
- return __s;
-}
-
-
-
-
-/* Search N bytes of S for C. */
-#define _HAVE_STRING_ARCH_memchr 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE void *
-memchr (__const void *__s, int __c, size_t __n)
-{
- register unsigned long int __d0;
- register void *__res;
- if (__n == 0)
- return NULL;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "je 1f\n\t"
- "movl $1,%0\n"
- "1:"
- : "=D" (__res), "=&c" (__d0)
- : "a" (__c), "0" (__s), "1" (__n),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "cc");
- return __res - 1;
-}
-#endif
-
-#define _HAVE_STRING_ARCH_memrchr 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE void *
-__memrchr (__const void *__s, int __c, size_t __n)
-{
- register unsigned long int __d0;
- register void *__res;
- if (__n == 0)
- return NULL;
- __asm__ __volatile__
- ("std\n\t"
- "repne; scasb\n\t"
- "je 1f\n\t"
- "orl $-1,%0\n"
- "1:\tcld\n\t"
- "incl %0"
- : "=D" (__res), "=&c" (__d0)
- : "a" (__c), "0" (__s + __n - 1), "1" (__n),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "cc");
- return __res;
-}
-# ifdef __USE_GNU
-# define memrchr(s, c, n) __memrchr (s, c, n)
-# endif
-#endif
-
-/* Return the length of S. */
-#define _HAVE_STRING_ARCH_strlen 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE size_t
-strlen (__const char *__str)
-{
- register unsigned long int __d0;
- register size_t __res;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "notl %0"
- : "=c" (__res), "=&D" (__d0)
- : "1" (__str), "a" (0), "0" (0xffffffff),
- "m" ( *(struct { char __x[0xfffffff]; } *)__str)
- : "cc");
- return __res - 1;
-}
-#endif
-
-/* Copy SRC to DEST. */
-#define _HAVE_STRING_ARCH_strcpy 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE char *
-strcpy (char *__dest, __const char *__src)
-{
- register unsigned long int __d0, __d1;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "lodsb\n\t"
- "stosb\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b"
- : "=&S" (__d0), "=&D" (__d1)
- : "0" (__src), "1" (__dest)
- : "ax", "memory", "cc");
- return __dest;
-}
-#endif
-
-/* Copy no more than N characters of SRC to DEST. */
-#define _HAVE_STRING_ARCH_strncpy 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE char *
-strncpy (char *__dest, __const char *__src, size_t __n)
-{
- register unsigned long int __d0, __d1, __d2;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "decl %2\n\t"
- "js 2f\n\t"
- "lodsb\n\t"
- "stosb\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "rep; stosb\n"
- "2:"
- : "=&S" (__d0), "=&D" (__d1), "=&c" (__d2)
- : "0" (__src), "1" (__dest), "2" (__n)
- : "ax", "memory", "cc");
- return __dest;
-}
-#endif
-
-/* Append SRC onto DEST. */
-#define _HAVE_STRING_ARCH_strcat 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE char *
-strcat (char *__dest, __const char *__src)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "decl %1\n"
- "1:\n\t"
- "lodsb\n\t"
- "stosb\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b"
- : "=&S" (__d0), "=&D" (__d1), "=&c" (__d2), "=&a" (__d3)
- : "0" (__src), "1" (__dest), "2" (0xffffffff), "3" (0)
- : "memory", "cc");
- return __dest;
-}
-#endif
-
-/* Append no more than N characters from SRC onto DEST. */
-#define _HAVE_STRING_ARCH_strncat 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE char *
-strncat (char *__dest, __const char *__src, size_t __n)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "decl %1\n\t"
- "movl %4,%2\n"
- "1:\n\t"
- "decl %2\n\t"
- "js 2f\n\t"
- "lodsb\n\t"
- "stosb\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "jmp 3f\n"
- "2:\n\t"
- "xorl %3,%3\n\t"
- "stosb\n"
- "3:"
- : "=&S" (__d0), "=&D" (__d1), "=&c" (__d2), "=&a" (__d3)
- : "g" (__n), "0" (__src), "1" (__dest), "2" (0xffffffff), "3" (0)
- : "memory", "cc");
- return __dest;
-}
-#endif
-
-/* Compare S1 and S2. */
-#define _HAVE_STRING_ARCH_strcmp 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE int
-strcmp (__const char *__s1, __const char *__s2)
-{
- register unsigned long int __d0, __d1;
- register int __res;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "lodsb\n\t"
- "scasb\n\t"
- "jne 2f\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "xorl %%eax,%%eax\n\t"
- "jmp 3f\n"
- "2:\n\t"
- "sbbl %%eax,%%eax\n\t"
- "orb $1,%%al\n"
- "3:"
- : "=a" (__res), "=&S" (__d0), "=&D" (__d1)
- : "1" (__s1), "2" (__s2),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s1),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s2)
- : "cc");
- return __res;
-}
-#endif
-
-/* Compare N characters of S1 and S2. */
-#define _HAVE_STRING_ARCH_strncmp 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE int
-strncmp (__const char *__s1, __const char *__s2, size_t __n)
-{
- register unsigned long int __d0, __d1, __d2;
- register int __res;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "decl %3\n\t"
- "js 2f\n\t"
- "lodsb\n\t"
- "scasb\n\t"
- "jne 3f\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n"
- "2:\n\t"
- "xorl %%eax,%%eax\n\t"
- "jmp 4f\n"
- "3:\n\t"
- "sbbl %%eax,%%eax\n\t"
- "orb $1,%%al\n"
- "4:"
- : "=a" (__res), "=&S" (__d0), "=&D" (__d1), "=&c" (__d2)
- : "1" (__s1), "2" (__s2), "3" (__n),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s1),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s2)
- : "cc");
- return __res;
-}
-#endif
-
-/* Find the first occurrence of C in S. */
-#define _HAVE_STRING_ARCH_strchr 1
-#define _USE_STRING_ARCH_strchr 1
-#define strchr(s, c) \
- (__extension__ (__builtin_constant_p (c) \
- ? __strchr_c (s, ((c) & 0xff) << 8) \
- : __strchr_g (s, c)))
-
-__STRING_INLINE char *__strchr_g (__const char *__s, int __c);
-
-__STRING_INLINE char *
-__strchr_g (__const char *__s, int __c)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "movb %%al,%%ah\n"
- "1:\n\t"
- "lodsb\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "movl $1,%1\n"
- "2:\n\t"
- "movl %1,%0"
- : "=a" (__res), "=&S" (__d0)
- : "0" (__c), "1" (__s),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res - 1;
-}
-
-__STRING_INLINE char *__strchr_c (__const char *__s, int __c);
-
-__STRING_INLINE char *
-__strchr_c (__const char *__s, int __c)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "1:\n\t"
- "lodsb\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "movl $1,%1\n"
- "2:\n\t"
- "movl %1,%0"
- : "=a" (__res), "=&S" (__d0)
- : "0" (__c), "1" (__s),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res - 1;
-}
-
-
-/* Find the first occurrence of C in S or the final NUL byte. */
-#define _HAVE_STRING_ARCH_strchrnul 1
-#define __strchrnul(s, c) \
- (__extension__ (__builtin_constant_p (c) \
- ? ((c) == '\0' \
- ? (char *) __rawmemchr (s, c) \
- : __strchrnul_c (s, ((c) & 0xff) << 8)) \
- : __strchrnul_g (s, c)))
-
-__STRING_INLINE char *__strchrnul_g (__const char *__s, int __c);
-
-__STRING_INLINE char *
-__strchrnul_g (__const char *__s, int __c)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "movb %%al,%%ah\n"
- "1:\n\t"
- "lodsb\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "2:\n\t"
- "movl %1,%0"
- : "=a" (__res), "=&S" (__d0)
- : "0" (__c), "1" (__s),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res - 1;
-}
-
-__STRING_INLINE char *__strchrnul_c (__const char *__s, int __c);
-
-__STRING_INLINE char *
-__strchrnul_c (__const char *__s, int __c)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "1:\n\t"
- "lodsb\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "2:\n\t"
- "movl %1,%0"
- : "=a" (__res), "=&S" (__d0)
- : "0" (__c), "1" (__s),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res - 1;
-}
-#ifdef __USE_GNU
-# define strchrnul(s, c) __strchrnul (s, c)
-#endif
-
-
-/* Return the length of the initial segment of S which
- consists entirely of characters not in REJECT. */
-#define _HAVE_STRING_ARCH_strcspn 1
-#ifndef _FORCE_INLINES
-# ifdef __PIC__
-__STRING_INLINE size_t
-strcspn (__const char *__s, __const char *__reject)
-{
- register unsigned long int __d0, __d1, __d2;
- register char *__res;
- __asm__ __volatile__
- ("pushl %%ebx\n\t"
- "cld\n\t"
- "movl %4,%%edi\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%ebx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %4,%%edi\n\t"
- "movl %%ebx,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n"
- "2:\n\t"
- "popl %%ebx"
- : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "d" (__reject), "0" (__s), "1" (0), "2" (0xffffffff),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return (__res - 1) - __s;
-}
-# else
-__STRING_INLINE size_t
-strcspn (__const char *__s, __const char *__reject)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "movl %5,%%edi\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%edx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %5,%%edi\n\t"
- "movl %%edx,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n"
- "2:"
- : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3)
- : "g" (__reject), "0" (__s), "1" (0), "2" (0xffffffff),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return (__res - 1) - __s;
-}
-# endif
-#endif
-
-
-/* Return the length of the initial segment of S which
- consists entirely of characters in ACCEPT. */
-#define _HAVE_STRING_ARCH_strspn 1
-#ifndef _FORCE_INLINES
-# ifdef __PIC__
-__STRING_INLINE size_t
-strspn (__const char *__s, __const char *__accept)
-{
- register unsigned long int __d0, __d1, __d2;
- register char *__res;
- __asm__ __volatile__
- ("pushl %%ebx\n\t"
- "cld\n\t"
- "movl %4,%%edi\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%ebx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %4,%%edi\n\t"
- "movl %%ebx,%%ecx\n\t"
- "repne; scasb\n\t"
- "je 1b\n"
- "2:\n\t"
- "popl %%ebx"
- : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "r" (__accept), "0" (__s), "1" (0), "2" (0xffffffff),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return (__res - 1) - __s;
-}
-# else
-__STRING_INLINE size_t
-strspn (__const char *__s, __const char *__accept)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "movl %5,%%edi\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%edx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %5,%%edi\n\t"
- "movl %%edx,%%ecx\n\t"
- "repne; scasb\n\t"
- "je 1b\n"
- "2:"
- : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3)
- : "g" (__accept), "0" (__s), "1" (0), "2" (0xffffffff),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return (__res - 1) - __s;
-}
-# endif
-#endif
-
-
-/* Find the first occurrence in S of any character in ACCEPT. */
-#define _HAVE_STRING_ARCH_strpbrk 1
-#ifndef _FORCE_INLINES
-# ifdef __PIC__
-__STRING_INLINE char *
-strpbrk (__const char *__s, __const char *__accept)
-{
- unsigned long int __d0, __d1, __d2;
- register char *__res;
- __asm__ __volatile__
- ("pushl %%ebx\n\t"
- "cld\n\t"
- "movl %4,%%edi\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%ebx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %4,%%edi\n\t"
- "movl %%ebx,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n\t"
- "decl %0\n\t"
- "jmp 3f\n"
- "2:\n\t"
- "xorl %0,%0\n"
- "3:\n\t"
- "popl %%ebx"
- : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "r" (__accept), "0" (__s), "1" (0), "2" (0xffffffff),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res;
-}
-# else
-__STRING_INLINE char *
-strpbrk (__const char *__s, __const char *__accept)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "movl %5,%%edi\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%edx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %5,%%edi\n\t"
- "movl %%edx,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n\t"
- "decl %0\n\t"
- "jmp 3f\n"
- "2:\n\t"
- "xorl %0,%0\n"
- "3:"
- : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3)
- : "g" (__accept), "0" (__s), "1" (0), "2" (0xffffffff),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res;
-}
-# endif
-#endif
-
-
-/* Find the first occurrence of NEEDLE in HAYSTACK. */
-#define _HAVE_STRING_ARCH_strstr 1
-#ifndef _FORCE_INLINES
-# ifdef __PIC__
-__STRING_INLINE char *
-strstr (__const char *__haystack, __const char *__needle)
-{
- register unsigned long int __d0, __d1, __d2;
- register char *__res;
- __asm__ __volatile__
- ("pushl %%ebx\n\t"
- "cld\n\t" \
- "movl %4,%%edi\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
- "movl %%ecx,%%ebx\n"
- "1:\n\t"
- "movl %4,%%edi\n\t"
- "movl %%esi,%%eax\n\t"
- "movl %%ebx,%%ecx\n\t"
- "repe; cmpsb\n\t"
- "je 2f\n\t" /* also works for empty string, see above */
- "xchgl %%eax,%%esi\n\t"
- "incl %%esi\n\t"
- "cmpb $0,-1(%%eax)\n\t"
- "jne 1b\n\t"
- "xorl %%eax,%%eax\n\t"
- "2:\n\t"
- "popl %%ebx"
- : "=&a" (__res), "=&c" (__d0), "=&S" (__d1), "=&D" (__d2)
- : "r" (__needle), "0" (0), "1" (0xffffffff), "2" (__haystack)
- : "memory", "cc");
- return __res;
-}
-# else
-__STRING_INLINE char *
-strstr (__const char *__haystack, __const char *__needle)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t" \
- "movl %5,%%edi\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
- "movl %%ecx,%%edx\n"
- "1:\n\t"
- "movl %5,%%edi\n\t"
- "movl %%esi,%%eax\n\t"
- "movl %%edx,%%ecx\n\t"
- "repe; cmpsb\n\t"
- "je 2f\n\t" /* also works for empty string, see above */
- "xchgl %%eax,%%esi\n\t"
- "incl %%esi\n\t"
- "cmpb $0,-1(%%eax)\n\t"
- "jne 1b\n\t"
- "xorl %%eax,%%eax\n\t"
- "2:"
- : "=&a" (__res), "=&c" (__d0), "=&S" (__d1), "=&d" (__d2), "=&D" (__d3)
- : "g" (__needle), "0" (0), "1" (0xffffffff), "2" (__haystack)
- : "memory", "cc");
- return __res;
-}
-# endif
-#endif
-
-#ifndef _FORCE_INLINES
-# undef __STRING_INLINE
-#endif
-
-#endif /* use string inlines && GNU CC */
projects / external / glibc.git / commitdiff