diff options
Diffstat (limited to 'sysdeps/i386')
| -rw-r--r-- | sysdeps/i386/bits/string.h | 55 | ||||
| -rw-r--r-- | sysdeps/i386/i486/bits/string.h | 351 |
2 files changed, 222 insertions, 184 deletions
diff --git a/sysdeps/i386/bits/string.h b/sysdeps/i386/bits/string.h index bf7d408cdc..b95ec8a4c2 100644 --- a/sysdeps/i386/bits/string.h +++ b/sysdeps/i386/bits/string.h @@ -48,7 +48,7 @@ __STRING_INLINE void * __memcpy_c (void *__dest, __const void *__src, size_t __n) { - unsigned long int __d0, __d1, __d2; + register unsigned long int __d0, __d1, __d2; switch (__n) { case 0: @@ -138,7 +138,7 @@ __memcpy_c (void *__dest, __const void *__src, size_t __n) __STRING_INLINE void * memmove (void *__dest, __const void *__src, size_t __n) { - unsigned long int __d0, __d1, __d2; + register unsigned long int __d0, __d1, __d2; if (__dest < __src) __asm__ __volatile__ ("cld\n\t" @@ -173,7 +173,7 @@ memmove (void *__dest, __const void *__src, size_t __n) __STRING_INLINE void * __memset_cc (void *__s, unsigned long int __pattern, size_t __n) { - unsigned long int __d0, __d1; + register unsigned long int __d0, __d1; switch (__n) { case 0: @@ -198,7 +198,7 @@ __memset_cc (void *__s, unsigned long int __pattern, size_t __n) "rep; stosl" \ x \ : "=&c" (__d0), "=&D" (__d1) \ - : "a" (__pattern),"0" (__n / 4), "1" (__s) \ + : "a" (__pattern), "0" (__n / 4), "1" (__s) \ : "memory") switch (__n % 4) @@ -222,7 +222,7 @@ __memset_cc (void *__s, unsigned long int __pattern, size_t __n) __STRING_INLINE void * __memset_cg (void *__s, unsigned long __c, size_t __n) { - unsigned long int __d0, __d1; + register unsigned long int __d0, __d1; __asm__ __volatile__ ("cld\n\t" "rep; stosl\n\t" @@ -243,7 +243,7 @@ __memset_cg (void *__s, unsigned long __c, size_t __n) __STRING_INLINE void * __memset_gg (void *__s, char __c, size_t __n) { - unsigned long int __d0, __d1; + register unsigned long int __d0, __d1; __asm__ __volatile__ ("cld\n\t" "rep; stosb" @@ -261,16 +261,15 @@ __memset_gg (void *__s, char __c, size_t __n) __STRING_INLINE void * memchr (__const void *__s, int __c, size_t __n) { - unsigned long int __d0; + register unsigned long int __d0; register void *__res; - if (count == 0) + if (__n == 0) return NULL; __asm__ __volatile__ ("cld\n\t" - "repne\n\t" - "scasb\n\t" - "je 1f\n\t" - "movl $1,%0\n" + "repne; scasb\n\t" + "je 1f\n\t" + "movl $1,%0\n" "1:" : "=D" (__res), "=&c" (__d0) : "a" (__c), "0" (__s), "1" (__n)); @@ -283,7 +282,7 @@ memchr (__const void *__s, int __c, size_t __n) __STRING_INLINE size_t strlen (__const char *__str) { - unsigned long int __d0; + register unsigned long int __d0; register size_t __res; __asm__ __volatile__ ("cld\n\t" @@ -301,7 +300,7 @@ strlen (__const char *__str) __STRING_INLINE char * strcpy (char *__dest, __const char *__src) { - unsigned long int __d0, __d1; + register unsigned long int __d0, __d1; __asm__ __volatile__ ("cld\n" "1:\n\t" @@ -321,7 +320,7 @@ strcpy (char *__dest, __const char *__src) __STRING_INLINE char * strncpy (char *__dest, __const char *__src, size_t __n) { - unsigned long int __d0, __d1, __d2; + register unsigned long int __d0, __d1, __d2; __asm__ __volatile__ ("cld\n" "1:\n\t" @@ -345,7 +344,7 @@ strncpy (char *__dest, __const char *__src, size_t __n) __STRING_INLINE char * strcat (char *__dest, __const char *__src) { - unsigned long int __d0, __d1, __d2, __d3; + register unsigned long int __d0, __d1, __d2, __d3; __asm__ __volatile__ ("cld\n\t" "repne; scasb\n\t" @@ -367,7 +366,7 @@ strcat (char *__dest, __const char *__src) __STRING_INLINE char * strncat (char *__dest, __const char *__src, size_t __n) { - unsigned long int __d0, __d1, __d2, __d3; + register unsigned long int __d0, __d1, __d2, __d3; __asm__ __volatile__ ("cld\n\t" "repne; scasb\n\t" @@ -395,7 +394,7 @@ strncat (char *__dest, __const char *__src, size_t __n) __STRING_INLINE int strcmp (__const char *__s1, __const char *__s2) { - unsigned long int __d0, __d1; + register unsigned long int __d0, __d1; register int __res; __asm__ __volatile__ ("cld\n" @@ -423,7 +422,7 @@ strcmp (__const char *__s1, __const char *__s2) __STRING_INLINE int strncmp (__const char *__s1, __const char *__s2, size_t __n) { - unsigned long int __d0, __d1, __d2; + register unsigned long int __d0, __d1, __d2; register int __res; __asm__ __volatile__ ("cld\n" @@ -459,7 +458,7 @@ strncmp (__const char *__s1, __const char *__s2, size_t __n) __STRING_INLINE char * __strchr_g (__const char *__s, int __c) { - unsigned long int __d0; + register unsigned long int __d0; register char *__res; __asm__ __volatile__ ("cld\n\t" @@ -482,7 +481,7 @@ __strchr_g (__const char *__s, int __c) __STRING_INLINE char * __strchr_c (__const char *__s, int __c) { - unsigned long int __d0; + register unsigned long int __d0; register char *__res; __asm__ __volatile__ ("cld\n\t" @@ -509,7 +508,7 @@ __strchr_c (__const char *__s, int __c) __STRING_INLINE size_t strcspn (__const char *__s, __const char *__reject) { - unsigned long int __d0, __d1, __d2; + register unsigned long int __d0, __d1, __d2; register char *__res; __asm__ __volatile__ ("pushl %%ebx\n\t" @@ -538,7 +537,7 @@ strcspn (__const char *__s, __const char *__reject) __STRING_INLINE size_t strcspn (__const char *__s, __const char *__reject) { - unsigned long int __d0, __d1, __d2, __d3; + register unsigned long int __d0, __d1, __d2, __d3; register char *__res; __asm__ __volatile__ ("cld\n\t" @@ -571,7 +570,7 @@ strcspn (__const char *__s, __const char *__reject) __STRING_INLINE size_t strspn (__const char *__s, __const char *__accept) { - unsigned long int __d0, __d1, __d2; + register unsigned long int __d0, __d1, __d2; register char *__res; __asm__ __volatile__ ("pushl %%ebx\n\t" @@ -600,7 +599,7 @@ strspn (__const char *__s, __const char *__accept) __STRING_INLINE size_t strspn (__const char *__s, __const char *__accept) { - unsigned long int __d0, __d1, __d2, __d3; + register unsigned long int __d0, __d1, __d2, __d3; register char *__res; __asm__ __volatile__ ("cld\n\t" @@ -665,7 +664,7 @@ strpbrk (__const char *__s, __const char *__accept) __STRING_INLINE char * strpbrk (__const char *__s, __const char *__accept) { - unsigned long int __d0, __d1, __d2, __d3; + register unsigned long int __d0, __d1, __d2, __d3; register char *__res; __asm__ __volatile__ ("cld\n\t" @@ -701,7 +700,7 @@ strpbrk (__const char *__s, __const char *__accept) __STRING_INLINE char * strstr (__const char *__haystack, __const char *__needle) { - unsigned long int __d0, __d1, __d2, __d3; + register unsigned long int __d0, __d1, __d2, __d3; register char *__res; __asm__ __volatile__ ("pushl %%ebx\n\t" @@ -733,7 +732,7 @@ strstr (__const char *__haystack, __const char *__needle) __STRING_INLINE char * strstr (__const char *__haystack, __const char *__needle) { - unsigned long int __d0, __d1, __d2, __d3; + register unsigned long int __d0, __d1, __d2, __d3; register char *__res; __asm__ __volatile__ ("cld\n\t" \ diff --git a/sysdeps/i386/i486/bits/string.h b/sysdeps/i386/i486/bits/string.h index aaa636a56d..6690066d94 100644 --- a/sysdeps/i386/i486/bits/string.h +++ b/sysdeps/i386/i486/bits/string.h @@ -62,8 +62,8 @@ __STRING_INLINE void * __memcpy_by4 (void *__dest, __const void *__src, size_t __n) { + register unsigned long int __d0, __d1; register void *__tmp = __dest; - register int __dummy1, __dummy2; __asm__ __volatile__ ("1:\n\t" "movl (%2),%0\n\t" @@ -72,7 +72,7 @@ __memcpy_by4 (void *__dest, __const void *__src, size_t __n) "leal 4(%1),%1\n\t" "decl %3\n\t" "jnz 1b" - : "=r" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2) + : "=&r" (__d0), "=&r" (__tmp), "=&r" (__src), "=&r" (__d1) : "1" (__tmp), "2" (__src), "3" (__n / 4) : "memory", "cc"); return __dest; @@ -81,8 +81,8 @@ __memcpy_by4 (void *__dest, __const void *__src, size_t __n) __STRING_INLINE void * __memcpy_by2 (void *__dest, __const void *__src, size_t __n) { + register unsigned long int __d0, __d1; register void *__tmp = __dest; - register int __dummy1, __dummy2; __asm__ __volatile__ ("shrl $1,%3\n\t" "jz 2f\n" /* only a word */ @@ -96,7 +96,7 @@ __memcpy_by2 (void *__dest, __const void *__src, size_t __n) "2:\n\t" "movw (%2),%w0\n\t" "movw %w0,(%1)" - : "=q" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2) + : "=&q" (__d0), "=&r" (__tmp), "=&r" (__src), "=&r" (__d1) : "1" (__tmp), "2" (__src), "3" (__n / 2) : "memory", "cc"); return __dest; @@ -105,6 +105,7 @@ __memcpy_by2 (void *__dest, __const void *__src, size_t __n) __STRING_INLINE void * __memcpy_g (void *__dest, __const void *__src, size_t __n) { + register unsigned long int __d0, __d1, __d2; register void *__tmp = __dest; __asm__ __volatile__ ("cld\n\t" @@ -117,9 +118,9 @@ __memcpy_g (void *__dest, __const void *__src, size_t __n) "movsw\n" "2:\n\t" "rep; movsl" - : /* no output */ - : "c" (__n), "D" (__tmp),"S" (__src) - : "cx", "di", "si", "memory", "cc"); + : "=&c" (__d0), "=&D" (__d1), "=&S" (__d2) + : "0" (__n), "1" (__tmp), "2" (__src) + : "memory", "cc"); return __dest; } @@ -129,23 +130,24 @@ __memcpy_g (void *__dest, __const void *__src, size_t __n) __STRING_INLINE void * memmove (void *__dest, __const void *__src, size_t __n) { + register unsigned long int __d0, __d1, __d2; register void *__tmp = __dest; if (__dest < __src) __asm__ __volatile__ ("cld\n\t" "rep; movsb" - : /* no output */ - : "c" (__n), "S" (__src), "D" (__tmp) - : "cx", "si", "di"); + : "=&c" (__d0), "=&S" (__d1), "=&D" (__d2) + : "0" (__n), "1" (__src), "2" (__tmp) + : "memory"); else __asm__ __volatile__ ("std\n\t" "rep; movsb\n\t" "cld" - : /* no output */ - : "c" (__n), "S" (__n - 1 + (__const char *) __src), - "D" (__n - 1 + (char *) __tmp) - : "cx", "si", "di", "memory"); + : "=&c" (__d0), "=&S" (__d1), "=&D" (__d2) + : "0" (__n), "1" (__n - 1 + (__const char *) __src), + "2" (__n - 1 + (char *) __tmp) + : "memory"); return __dest; } @@ -157,6 +159,7 @@ memmove (void *__dest, __const void *__src, size_t __n) __STRING_INLINE int memcmp (__const void *__s1, __const void *__s2, size_t __n) { + register unsigned long int __d0, __d1, __d2; register int __res; __asm__ __volatile__ ("cld\n\t" @@ -165,9 +168,9 @@ memcmp (__const void *__s1, __const void *__s2, size_t __n) "sbbl %0,%0\n\t" "orb $1,%b0\n" "1:" - : "=a" (__res) - : "0" (0), "S" (__s1), "D" (__s2), "c" (__n) - : "si", "di", "cx", "cc"); + : "=a" (__res), "=&S" (__d0), "=&D" (__d1), "=&c" (__d2) + : "0" (0), "1" (__s1), "2" (__s2), "3" (__n) + : "cc"); return __res; } #endif @@ -203,15 +206,15 @@ memcmp (__const void *__s1, __const void *__s2, size_t __n) __STRING_INLINE void * __memset_cc_by4 (void *__s, int __c, size_t __n) { + register unsigned long int __d0; register char *__tmp = __s; - register int __dummy; __asm__ __volatile__ ("1:\n\t" "movl %2,(%0)\n\t" "leal 4(%0),%0\n\t" "decl %1\n\t" "jnz 1b" - : "=r" (__tmp), "=r" (__dummy) + : "=&r" (__tmp), "=&r" (__d0) : "q" (0x01010101UL * (unsigned char) __c), "0" (__tmp), "1" (__n / 4) : "memory", "cc"); return __s; @@ -220,8 +223,8 @@ __memset_cc_by4 (void *__s, int __c, size_t __n) __STRING_INLINE void * __memset_cc_by2 (void *__s, int __c, size_t __n) { + register unsigned long int __d0; register void *__tmp = __s; - register int __dummy; __asm__ __volatile__ ("shrl $1,%1\n\t" /* may be divisible also by 4 */ "jz 2f\n" @@ -232,7 +235,7 @@ __memset_cc_by2 (void *__s, int __c, size_t __n) "jnz 1b\n" "2:\n\t" "movw %w2,(%0)" - : "=r" (__tmp), "=r" (__dummy) + : "=&r" (__tmp), "=&r" (__dummy) : "q" (0x01010101UL * (unsigned char) __c), "0" (__tmp), "1" (__n / 2) : "memory", "cc"); return __s; @@ -242,7 +245,7 @@ __STRING_INLINE void * __memset_gc_by4 (void *__s, int __c, size_t __n) { register void *__tmp = __s; - register int __dummy; + register unsigned long int __d0; __asm__ __volatile__ ("movb %b0,%h0\n" "pushw %w0\n\t" @@ -253,7 +256,7 @@ __memset_gc_by4 (void *__s, int __c, size_t __n) "addl $4,%1\n\t" "decl %2\n\t" "jnz 1b\n" - : "=q" (__c), "=r" (__tmp), "=r" (__dummy) + : "=&q" (__c), "=&r" (__tmp), "=&r" (__d0) : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4) : "memory", "cc"); return __s; @@ -262,8 +265,8 @@ __memset_gc_by4 (void *__s, int __c, size_t __n) __STRING_INLINE void * __memset_gc_by2 (void *__s, int __c, size_t __n) { + register unsigned long int __d0, __d1; register void *__tmp = __s; - register int __dummy1, __dummy2; __asm__ __volatile__ ("movb %b0,%h0\n\t" "shrl $1,%2\n\t" /* may be divisible also by 4 */ @@ -278,7 +281,7 @@ __memset_gc_by2 (void *__s, int __c, size_t __n) "jnz 1b\n" "2:\n\t" "movw %w0,(%1)" - : "=q" (__dummy1), "=r" (__tmp), "=r" (__dummy2) + : "=&q" (__d0), "=&r" (__tmp), "=&r" (__d1) : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 2) : "memory", "cc"); return __s; @@ -287,6 +290,7 @@ __memset_gc_by2 (void *__s, int __c, size_t __n) __STRING_INLINE void * __memset_cg (void *__s, int __c, size_t __n) { + register unsigned long __d0, __d1; register void *__tmp = __s; __asm__ __volatile__ ("shrl $1,%%ecx\n\t" @@ -294,15 +298,16 @@ __memset_cg (void *__s, int __c, size_t __n) "jnc 1f\n\t" "movb %%al,(%%edi)\n" "1:" - : /* no output */ - : "c" (__n),"D" (__tmp), "a" (0x0101U * (unsigned char) __c) - : "cx", "di", "memory", "cc"); + : "=&c" (__d0), "=&D" (__d1) + : "0" (__n), "1" (__tmp), "a" (0x0101U * (unsigned char) __c) + : "memory", "cc"); return __s; } __STRING_INLINE void * __memset_gg (void *__s, int __c, size_t __n) { + register unsigned long int __d0, __d1; register void *__tmp = __s; __asm__ __volatile__ ("movb %%al,%%ah\n\t" @@ -311,9 +316,9 @@ __memset_gg (void *__s, int __c, size_t __n) "jnc 1f\n\t" "movb %%al,(%%edi)\n" "1:" - : /* no output */ - : "c" (__n), "D" (__tmp), "a" (__c) - : "cx", "di", "memory", "cc"); + : "=&c" (__d0), "=&D" (__d1) + : "0" (__n), "1" (__tmp), "a" (__c) + : "memory", "cc"); return __s; } @@ -323,20 +328,31 @@ __memset_gg (void *__s, int __c, size_t __n) __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; +#ifdef __i686__ + __asm__ __volatile__ + ("movl $1, %%edx\n\t" + "cld\n\t" + "repne; scasb\n\t" + "cmovne %%edx,%0" + : "=D" (__res), "=&c" (__d0) + : "a" (__c), "0" (__s), "1" (__n) + : "dx", "cc"); +#else __asm__ __volatile__ ("cld\n\t" "repne; scasb\n\t" "je 1f\n\t" "movl $1,%0\n" - "1:\n\t" - "decl %0" - : "=D" (__res) - : "a" (__c), "D" (__s), "c" (__n) - : "cx", "cc"); - return __res; + "1:" + : "=D" (__res), "=&c" (__d0) + : "a" (__c), "0" (__s), "1" (__n) + : "cc"); +#endif + return __res - 1; } @@ -357,7 +373,7 @@ __strlen_g (__const char *__str) "leal 1(%0),%0\n\t" "testb %b1,%b1\n\t" "jne 1b" - : "=r" (__tmp), "=q" (__dummy) + : "=r" (__tmp), "=&q" (__dummy) : "0" (__str) : "memory", "cc" ); return __tmp - __str - 1; @@ -434,7 +450,7 @@ __strcpy_g (char *__dest, __const char *__src) "leal 1(%1),%1\n\t" "testb %b2,%b2\n\t" "jne 1b" - : "=r" (__src), "=r" (__tmp), "=q" (__dummy) + : "=&r" (__src), "=&r" (__tmp), "=&q" (__dummy) : "0" (__src), "1" (__tmp) : "memory", "cc"); return __dest; @@ -516,7 +532,7 @@ __STRING_INLINE char * __mempcpy_by4 (char *__dest, __const char *__src, size_t __srclen) { register char *__tmp = __dest; - register int __dummy1, __dummy2; + register unsigned long int __d0, __d1; __asm__ __volatile__ ("1:\n\t" "movl (%2),%0\n\t" @@ -525,7 +541,7 @@ __mempcpy_by4 (char *__dest, __const char *__src, size_t __srclen) "leal 4(%1),%1\n\t" "decl %3\n\t" "jnz 1b" - : "=r" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2) + : "=&r" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1) : "1" (__tmp), "2" (__src), "3" (__srclen / 4) : "memory", "cc"); return __tmp; @@ -535,7 +551,7 @@ __STRING_INLINE char * __mempcpy_by2 (char *__dest, __const char *__src, size_t __srclen) { register char *__tmp = __dest; - register int __dummy1, __dummy2; + register unsigned long int __d0, __d1; __asm__ __volatile__ ("shrl $1,%3\n\t" "jz 2f\n" /* only a word */ @@ -549,7 +565,7 @@ __mempcpy_by2 (char *__dest, __const char *__src, size_t __srclen) "2:\n\t" "movw (%2),%w0\n\t" "movw %w0,(%1)" - : "=q" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2) + : "=&q" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1) : "1" (__tmp), "2" (__src), "3" (__srclen / 2) : "memory", "cc"); return __tmp + 2; @@ -558,6 +574,7 @@ __mempcpy_by2 (char *__dest, __const char *__src, size_t __srclen) __STRING_INLINE char * __mempcpy_byn (char *__dest, __const char *__src, size_t __srclen) { + register unsigned long __d0, __d1; register char *__tmp = __dest; __asm__ __volatile__ ("cld\n\t" @@ -570,9 +587,9 @@ __mempcpy_byn (char *__dest, __const char *__src, size_t __srclen) "movsw\n" "2:\n\t" "rep; movsl" - : "=D" (__tmp) - : "c" (__srclen), "0" (__tmp),"S" (__src) - : "cx", "di", "si", "memory", "cc"); + : "=D" (__tmp), "=&c" (__d0), "=&S" (__d1) + : "0" (__tmp), "1" (__srclen), "2" (__src) + : "memory", "cc"); return __tmp; } @@ -590,7 +607,7 @@ __stpcpy_g (char *__dest, __const char *__src) "leal 1(%1),%1\n\t" "testb %b2,%b2\n\t" "jne 1b" - : "=r" (__src), "=r" (__tmp), "=q" (__dummy) + : "=&r" (__src), "=r" (__tmp), "=&q" (__dummy) : "0" (__src), "1" (__tmp) : "memory", "cc"); return __tmp - 1; @@ -626,7 +643,7 @@ __strncpy_by4 (char *__dest, __const char __src[], size_t __srclen, size_t __n) "leal 4(%1),%1\n\t" "decl %3\n\t" "jnz 1b" - : "=r" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2) + : "=&r" (__dummy1), "=r" (__tmp), "=&r" (__src), "=&r" (__dummy2) : "1" (__tmp), "2" (__src), "3" (__srclen / 4) : "memory", "cc"); (void) memset (__tmp, '\0', __n - __srclen); @@ -651,7 +668,7 @@ __strncpy_by2 (char *__dest, __const char __src[], size_t __srclen, size_t __n) "2:\n\t" "movw (%2),%w0\n\t" "movw %w0,(%1)\n\t" - : "=q" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2) + : "=&q" (__dummy1), "=r" (__tmp), "=&r" (__src), "=&r" (__dummy2) : "1" (__tmp), "2" (__src), "3" (__srclen / 2) : "memory", "cc"); (void) memset (__tmp + 2, '\0', __n - __srclen); @@ -661,21 +678,22 @@ __strncpy_by2 (char *__dest, __const char __src[], size_t __srclen, size_t __n) __STRING_INLINE char * __strncpy_byn (char *__dest, __const char __src[], size_t __srclen, size_t __n) { + register unsigned long int __d0, __d1; register char *__tmp = __dest; __asm__ __volatile__ ("cld\n\t" - "shrl $1,%%ecx\n\t" + "shrl $1,%1\n\t" "jnc 1f\n\t" "movsb\n" "1:\n\t" - "shrl $1,%%ecx\n\t" + "shrl $1,%1\n\t" "jnc 2f\n\t" "movsw\n" "2:\n\t" "rep; movsl" - : "=D" (__tmp) - : "c" (__srclen), "0" (__tmp),"S" (__src) - : "cx", "di", "si", "memory", "cc"); + : "=D" (__tmp), "=&c" (__d0), "=&S" (__d1) + : "1" (__srclen), "0" (__tmp),"2" (__src) + : "memory", "cc"); (void) memset (__tmp, '\0', __n - __srclen); return __dest; } @@ -702,7 +720,7 @@ __strncpy_gg (char *__dest, __const char *__src, size_t __n) "decl %3\n\t" "jne 2b\n\t" "3:" - : "=r" (__src), "=r" (__tmp), "=q" (__dummy), "=r" (__n) + : "=&r" (__src), "=&r" (__tmp), "=&q" (__dummy), "=&r" (__n) : "0" (__src), "1" (__tmp), "3" (__n) : "memory", "cc"); @@ -720,6 +738,15 @@ __strncpy_gg (char *__dest, __const char *__src, size_t __n) __STRING_INLINE char * __strcat_c (char *__dest, __const char __src[], size_t __srclen) { +#ifdef __i686__ + register unsigned long int __d0; + register char *__tmp; + __asm__ __volatile__ + ("repne; cmpsb" + : "=S" (__tmp), "=&c" (__d0) + : "0" (__dest), "1" (0xffffffff), "a" (0) + : "cc"); +#else register char *__tmp = __dest - 1; __asm__ __volatile__ ("1:\n\t" @@ -729,6 +756,7 @@ __strcat_c (char *__dest, __const char __src[], size_t __srclen) : "=r" (__tmp) : "0" (__tmp) : "cc"); +#endif (void) memcpy (__tmp, __src, __srclen); return __dest; } @@ -750,7 +778,7 @@ __strcat_g (char *__dest, __const char *__src) "incl %1\n\t" "testb %b0,%b0\n\t" "jne 2b\n" - : "=q" (__dummy), "=r" (__tmp), "=r" (__src) + : "=&q" (__dummy), "=&r" (__tmp), "=&r" (__src) : "1" (__tmp), "2" (__src) : "memory", "cc"); return __dest; @@ -789,7 +817,7 @@ __strncat_g (char *__dest, __const char __src[], size_t __n) "decl %1\n" "3:\n\t" "movb $0,(%1)\n\t" - : "=q" (__dummy), "=r" (__tmp), "=r" (__src), "=r" (__n) + : "=&q" (__dummy), "=&r" (__tmp), "=&r" (__src), "=&r" (__n) : "1" (__tmp), "2" (__src), "3" (__n) : "memory", "cc"); return __dest; @@ -884,7 +912,7 @@ __strcmp_gg (__const char *__s1, __const char *__s2) "jb 3f\n\t" "negl %0\n" "3:" - : "=q" (__res), "=r" (__s1), "=r" (__s2) + : "=q" (__res), "=&r" (__s1), "=&r" (__s2) : "1" (__s1), "2" (__s2) : "cc"); return __res; @@ -923,7 +951,7 @@ __strncmp_g (__const char *__s1, __const char *__s2, size_t __n) "jb 4f\n\t" "negl %0\n" "4:" - : "=q" (__res), "=r" (__s1), "=r" (__s2), "=r" (__n) + : "=q" (__res), "=&r" (__s1), "=&r" (__s2), "=&r" (__n) : "1" (__s1), "2" (__s2), "3" (__n) : "cc"); return __res; @@ -940,6 +968,7 @@ __strncmp_g (__const char *__s1, __const char *__s2, size_t __n) __STRING_INLINE char * __strchr_c (__const char *__s, int __c) { + register unsigned long int __d0; register char *__res; __asm__ __volatile__ ("1:\n\t" @@ -951,15 +980,16 @@ __strchr_c (__const char *__s, int __c) "jne 1b\n\t" "xorl %0,%0\n" "2:" - : "=r" (__res) - : "a" (__c), "0" (__s) - : "ax", "cc"); + : "=r" (__res), "=&a" (__d0) + : "0" (__s), "1" (__c) + : "cc"); return __res; } __STRING_INLINE char * __strchr_g (__const char *__s, int __c) { + register unsigned long int __d0; register char *__res; __asm__ __volatile__ ("movb %%al,%%ah\n" @@ -972,9 +1002,9 @@ __strchr_g (__const char *__s, int __c) "jne 1b\n\t" "xorl %0,%0\n" "2:" - : "=r" (__res) - : "a" (__c), "0" (__s) - : "ax", "cc"); + : "=r" (__res), "=&a" (__d0) + : "0" (__s), "1" (__c) + : "cc"); return __res; } @@ -1000,43 +1030,46 @@ __strchr_g (__const char *__s, int __c) __STRING_INLINE char * __strrchr_c (__const char *__s, int __c) { + register unsigned long int __d0, __d1; register char *__res; __asm__ __volatile__ ("cld\n" "1:\n\t" "lodsb\n\t" - "cmpb %%ah,%%al\n\t" - "cmove %%esi,%0\n\t" - "testb %%al,%%al\n\t" + "cmpb %h2,%b2\n\t" + "cmove %1,%0\n\t" + "testb %b2,%b2\n\t" "jne 1b" - : "=d" (__res) - : "0" (1), "S" (__s), "a" (__c) - : "ax", "si", "cc"); + : "=d" (__res), "=&S" (__d0), "=&a" (__d1) + : "0" (1), "1" (__s), "2" (__c) + : "cc"); return __res - 1; } __STRING_INLINE char * __strrchr_g (__const char *__s, int __c) { + register unsigned long int __d0, __d1; register char *__res; __asm__ __volatile__ - ("movb %%al,%%ah\n" + ("movb %b2,%h2\n" "cld\n\t" "1:\n\t" "lodsb\n\t" - "cmpb %%ah,%%al\n\t" - "cmove %%esi,%0\n\t" - "testb %%al,%%al\n\t" + "cmpb %h2,%b2\n\t" + "cmove %1,%0\n\t" + "testb %b2,%b2\n\t" "jne 1b" - : "=r" (__res) - : "0" (1), "S" (__s), "a" (__c) - : "ax", "si", "cc"); + : "=d" (__res), "=&S" (__d0), "=&a" (__d1) + : "0" (1), "1" (__s), "2" (__c) + : "cc"); return __res - 1; } #else __STRING_INLINE char * __strrchr_c (__const char *__s, int __c) { + register unsigned long int __d0, __d1; register char *__res; __asm__ __volatile__ ("cld\n" @@ -1048,15 +1081,16 @@ __strrchr_c (__const char *__s, int __c) "2:\n\t" "testb %%al,%%al\n\t" "jne 1b" - : "=d" (__res) - : "0" (0), "S" (__s),"a" (__c) - : "ax", "si", "cc"); + : "=d" (__res), "=&S" (__d0), "=&a" (__d1) + : "0" (0), "1" (__s), "2" (__c) + : "cc"); return __res; } __STRING_INLINE char * __strrchr_g (__const char *__s, int __c) { + register unsigned long int __d0, __d1; register char *__res; __asm__ __volatile__ ("movb %%al,%%ah\n" @@ -1069,9 +1103,9 @@ __strrchr_g (__const char *__s, int __c) "2:\n\t" "testb %%al,%%al\n\t" "jne 1b" - : "=r" (__res) - : "0" (0), "S" (__s),"a" (__c) - : "ax", "si", "cc"); + : "=r" (__res), "=&S" (__d0), "=&a" (__d1) + : "0" (0), "1" (__s), "2" (__c) + : "cc"); return __res; } #endif @@ -1102,6 +1136,7 @@ __strrchr_g (__const char *__s, int __c) __STRING_INLINE size_t __strcspn_c1 (__const char *__s, int __reject) { + register unsigned long int __d0; register char *__res; __asm__ __volatile__ ("1:\n\t" @@ -1112,15 +1147,16 @@ __strcspn_c1 (__const char *__s, int __reject) "testb %%al,%%al\n\t" "jne 1b\n" "2:" - : "=r" (__res) - : "a" (__reject), "0" (__s) - : "ax", "cc"); + : "=r" (__res), "=&a" (__d0) + : "0" (__s), "1" (__reject) + : "cc"); return (__res - 1) - __s; } __STRING_INLINE size_t __strcspn_cg (__const char *__s, __const char __reject[], size_t __reject_len) { + register unsigned long int __d0, __d1, __d2; register __const char *__res; __asm__ __volatile__ ("cld\n" @@ -1128,14 +1164,14 @@ __strcspn_cg (__const char *__s, __const char __reject[], size_t __reject_len) "lodsb\n\t" "testb %%al,%%al\n\t" "je 2f\n\t" - "movl %2,%%edi\n\t" - "movl %3,%%ecx\n\t" + "movl %5,%%edi\n\t" + "movl %6,%%ecx\n\t" "repne; scasb\n\t" "jne 1b\n" "2:" - : "=S" (__res) + : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2) : "0" (__s), "d" (__reject), "g" (__reject_len) - : "ax", "cx", "di", "cc"); + : "cc"); return (__res - 1) - __s; } @@ -1143,11 +1179,12 @@ __strcspn_cg (__const char *__s, __const char __reject[], size_t __reject_len) __STRING_INLINE size_t __strcspn_g (__const char *__s, __const char *__reject) { + register unsigned long int __d0, __d1, __d2; register __const char *__res; int __mem; __asm__ __volatile__ - ("movl %%ebx,%1\n\t" - "movl %5,%%edi\n\t" + ("pushl %%ebx\n\t" + "movl %4,%%edi\n\t" "cld\n\t" "repne; scasb\n\t" "notl %%ecx\n\t" @@ -1156,21 +1193,22 @@ __strcspn_g (__const char *__s, __const char *__reject) "lodsb\n\t" "testb %%al,%%al\n\t" "je 2f\n\t" - "movl %5,%%edi\n\t" + "movl %4,%%edi\n\t" "movl %%ebx,%%ecx\n\t" "repne; scasb\n\t" "jne 1b\n" "2:\n\t" - "movl %1,%%ebx" - : "=S" (__res), "=&m" (__mem) - : "a" (0), "c" (0xffffffff), "0" (__s), "r" (__reject), "1" (__mem) - : "ax", "cx", "di", "cc"); + "popl %%ebx" + : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2) + : "r" (__reject), "0" (__s), "1" (0), "2" (0xffffffff) + : "cc"); return (__res - 1) - __s; } #else __STRING_INLINE size_t __strcspn_g (__const char *__s, __const char *__reject) { + register unsigned long int __d0, __d1, __d2, __d3; register __const char *__res; __asm__ __volatile__ ("cld\n\t" @@ -1186,9 +1224,9 @@ __strcspn_g (__const char *__s, __const char *__reject) "repne; scasb\n\t" "jne 1b\n" "2:" - : "=S" (__res) - : "a" (0), "c" (0xffffffff), "0" (__s), "b" (__reject), "D" (__reject) - : "ax", "cx", "dx", "di", "cc"); + : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2), "=&d" (__d3) + : "0" (__s), "1" (0), "2" (0xffffffff), "3" (__reject), "b" (__reject) + : "cc"); return (__res - 1) - __s; } #endif @@ -1209,23 +1247,25 @@ __strcspn_g (__const char *__s, __const char *__reject) __STRING_INLINE size_t __strspn_c1 (__const char *__s, int __accept) { + register unsigned long int __d0; register char *__res; /* Please note that __accept never can be '\0'. */ __asm__ __volatile__ ("1:\n\t" - "movb (%0),%%al\n\t" + "movb (%0),%b1\n\t" "leal 1(%0),%0\n\t" - "cmpb %%ah,%%al\n\t" + "cmpb %h1,%b1\n\t" "je 1b" - : "=r" (__res) - : "a" (__accept), "0" (__s) - : "ax", "cc"); + : "=r" (__res), "=&q" (__d0) + : "0" (__s), "1" (__accept) + : "cc"); return (__res - 1) - __s; } __STRING_INLINE size_t __strspn_cg (__const char *__s, __const char __accept[], size_t __accept_len) { + register unsigned long int __d0, __d1, __d2; register __const char *__res; __asm__ __volatile__ ("cld\n" @@ -1233,14 +1273,14 @@ __strspn_cg (__const char *__s, __const char __accept[], size_t __accept_len) "lodsb\n\t" "testb %%al,%%al\n\t" "je 2f\n\t" - "movl %2,%%edi\n\t" - "movl %3,%%ecx\n\t" + "movl %1,%%edi\n\t" + "movl %6,%%ecx\n\t" "repne; scasb\n\t" "je 1b\n" "2:" - : "=S" (__res) - : "0" (__s), "d" (__accept), "g" (__accept_len) - : "ax", "cx", "di", "cc"); + : "=S" (__res), "=&d" (__d0), "=&c" (__d1), "=&D" (__d2) + : "0" (__s), "1" (__accept), "g" (__accept_len) + : "cc"); return (__res - 1) - __s; } @@ -1248,10 +1288,11 @@ __strspn_cg (__const char *__s, __const char __accept[], size_t __accept_len) __STRING_INLINE size_t __strspn_g (__const char *__s, __const char *__accept) { + register unsigned long int __d0, __d1, __d2; register __const char *__res; int __mem; __asm__ __volatile__ - ("movl %%ebx,%1\n\t" + ("pushl %%ebx\n\t" "cld\n\t" "repne; scasb\n\t" "notl %%ecx\n\t" @@ -1265,17 +1306,17 @@ __strspn_g (__const char *__s, __const char *__accept) "repne; scasb\n\t" "je 1b\n" "2:\n\t" - "movl %1,%%ebx" - : "=S" (__res), "=m" (__mem) - : "a" (0), "c" (0xffffffff), "0" (__s), "d" (__accept), "1" (__mem), - "D" (__accept) - : "ax", "cx", "di", "cc"); + "popl %%ebx" + : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2) + : "d" (__accept), "0" (__s), "1" (0), "2" (0xffffffff), "3" (__accept) + : "cc"); return (__res - 1) - __s; } #else __STRING_INLINE size_t __strspn_g (__const char *__s, __const char *__accept) { + register unsigned long int __d0, __d1, __d2, __d3; register __const char *__res; __asm__ __volatile__ ("cld\n\t" @@ -1291,9 +1332,9 @@ __strspn_g (__const char *__s, __const char *__accept) "repne; scasb\n\t" "je 1b\n" "2:" - : "=S" (__res) - : "a" (0), "c" (0xffffffff), "0" (__s), "b" (__accept), "D" (__accept) - : "ax", "cx", "dx", "di", "cc"); + : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2), "=&d" (__d3) + : "0" (__s), "1" (0), "2" (0xffffffff), "3" (__accept), "b" (__accept) + : "cc"); return (__res - 1) - __s; } #endif @@ -1313,6 +1354,7 @@ __strspn_g (__const char *__s, __const char *__accept) __STRING_INLINE char * __strpbrk_cg (__const char *__s, __const char __accept[], size_t __accept_len) { + register unsigned long int __d0, __d1, __d2; register char *__res; __asm__ __volatile__ ("cld\n" @@ -1320,8 +1362,8 @@ __strpbrk_cg (__const char *__s, __const char __accept[], size_t __accept_len) "lodsb\n\t" "testb %%al,%%al\n\t" "je 2f\n\t" - "movl %2,%%edi\n\t" - "movl %3,%%ecx\n\t" + "movl %5,%%edi\n\t" + "movl %6,%%ecx\n\t" "repne; scasb\n\t" "jne 1b\n\t" "decl %0\n\t" @@ -1329,9 +1371,9 @@ __strpbrk_cg (__const char *__s, __const char __accept[], size_t __accept_len) "2:\n\t" "xorl %0,%0\n" "3:" - : "=S" (__res) + : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2) : "0" (__s), "d" (__accept), "g" (__accept_len) - : "ax", "cx", "di", "cc"); + : "cc"); return __res; } @@ -1339,10 +1381,11 @@ __strpbrk_cg (__const char *__s, __const char __accept[], size_t __accept_len) __STRING_INLINE char * __strpbrk_g (__const char *__s, __const char *__accept) { + register unsigned long int __d0, __d1, __d2; register char *__res; int __mem; __asm__ __volatile__ - ("movl %%ebx,%1\n\t" + ("pushl %%ebx\n\t" "movl %%edx,%%edi\n\t" "cld\n\t" "repne; scasb\n\t" @@ -1361,16 +1404,17 @@ __strpbrk_g (__const char *__s, __const char *__accept) "2:\n\t" "xorl %0,%0\n" "3:\n\t" - "movl %1,%%ebx" - : "=S" (__res), "=m" (__mem) - : "a" (0), "c" (0xffffffff), "0" (__s), "d" (__accept), "1" (__mem) - : "ax", "cx", "di", "cc"); + "popl %%ebx" + : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2) + : "d" (__accept), "0" (__s), "1" (0), "2" (0xffffffff) + : "cc"); return __res; } #else __STRING_INLINE char * __strpbrk_g (__const char *__s, __const char *__accept) { + register unsigned long int __d0, __d1, __d2, __d3; register char *__res; __asm__ __volatile__ ("movl %%ebx,%%edi\n\t" @@ -1391,9 +1435,9 @@ __strpbrk_g (__const char *__s, __const char *__accept) "2:\n\t" "xorl %0,%0\n" "3:" - : "=S" (__res) - : "a" (0), "c" (0xffffffff), "0" (__s), "b" (__accept) - : "ax", "cx", "dx", "di", "cc"); + : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3) + : "0" (__s), "1" (0), "2" (0xffffffff), "b" (__accept) + : "cc"); return __res; } #endif @@ -1416,42 +1460,39 @@ __STRING_INLINE char * __strstr_cg (__const char *__haystack, __const char __needle[], size_t __needle_len) { + register unsigned long int __d0, __d1, __d2; register char *__res; __asm__ __volatile__ ("cld\n" \ "1:\n\t" - "movl %3,%%edi\n\t" - "movl %2,%%eax\n\t" - "movl %1,%%ecx\n\t" + "movl %6,%%edi\n\t" + "movl %5,%%eax\n\t" + "movl %4,%%ecx\n\t" "repe; cmpsb\n\t" "je 2f\n\t" "cmpb $0,-1(%%esi)\n\t" - "leal 1(%%eax),%2\n\t" + "leal 1(%%eax),%5\n\t" "jne 1b\n\t" "xorl %%eax,%%eax\n" "2:" - : "=a" (__res) - : "g" (__needle_len), "S" (__haystack), "d" (__needle) - : "cx", "di", "si", "cc"); + : "=a" (__res), "=&S" (__d0), "=&D" (__d1), "=&c" (__d2) + : "g" (__needle_len), "1" (__haystack), "d" (__needle) + : "cc"); return __res; } #ifdef __PIC__ -# if 1 -/* For now this does not always works due to spilling problems. */ -# define __strstr_g(haystack, needle) strstr (haystack, needle) -# else __STRING_INLINE char * __strstr_g (__const char *__haystack, __const char *__needle) { + register unsigned long int __d0, __d1, __d2; register char *__res; int __mem; __asm__ __volatile__ - ("movl %2,%%edi\n\t" - "cld\n\t" + ("cld\n\t" "repne; scasb\n\t" "notl %%ecx\n\t" - "movl %%ebx,%1\n\t" + "pushl %%ebx\n\t" "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */ "movl %%ecx,%%ebx\n" "1:\n\t" @@ -1465,21 +1506,19 @@ __strstr_g (__const char *__haystack, __const char *__needle) "jne 1b\n\t" "xorl %%eax,%%eax\n" "2:\n\t" - "movl %1,%%ebx" - : "=a" (__res), "=&m" (__mem) - : "0" (0), "c" (0xffffffff), "S" (__haystack), "d" (__needle), "1" (__mem) - : "cx", "di", "si", "cc"); + "popl %%ebx" + : "=a" (__res), "=&c" (__d0), "=&S" (__d1), "=&D" (__d2) + : "0" (0), "1" (0xffffffff), "2" (__haystack), "3" (0), "d" (__needle) + : "cc"); return __res; } -# endif #else __STRING_INLINE char * __strstr_g (__const char *__haystack, __const char *__needle) { register char *__res; __asm__ __volatile__ - ("movl %1,%%edi\n\t" - "cld\n\t" + ("cld\n\t" "repne; scasb\n\t" "notl %%ecx\n\t" "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */ @@ -1495,9 +1534,9 @@ __strstr_g (__const char *__haystack, __const char *__needle) "jne 1b\n\t" "xorl %%eax,%%eax\n" "2:" - : "=a" (__res) - : "0" (0), "c" (0xffffffff), "S" (__haystack), "b" (__needle) - : "cx", "dx", "di", "si", "cc"); + : "=a" (__res), "=&c" (__d0), "=&S" (__d1), "=&D" (__d2), "=&d" (__d3) + : "0" (0), "1" (0xffffffff), "2" (__haystack), "3" (0), "b" (__needle) + : "cc"); return __res; } #endif |