diff options
author | Ulrich Drepper <drepper@redhat.com> | 1997-09-30 17:10:40 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-09-30 17:10:40 +0000 |
commit | a5a0310d8e9d7176bb17e91c916272006a871016 (patch) | |
tree | b922b764878596e6ee42ae84cc315ecaaac00505 /sysdeps/i386 | |
parent | a2b08ee54130cf3a74655856e6ca6c29874a9df2 (diff) | |
download | glibc-a5a0310d8e9d7176bb17e91c916272006a871016.tar.gz glibc-a5a0310d8e9d7176bb17e91c916272006a871016.tar.xz glibc-a5a0310d8e9d7176bb17e91c916272006a871016.zip |
Update. cvs/libc-ud-970930
1997-09-30 18:03 Ulrich Drepper <drepper@cygnus.com> * Makerules: Undo last change. * csu/Makefile: Define before-compile at the right place. * aclocal.m4: Remove a.out file created by assembler test. * set-init.c: Find set-hooks.h using <...>. Update to db 2.3.10. * db2/Makefile: Update. * db2/db.h: Likewise. * db2/db_185.h: Likewise. * db2/db_int.h: Likewise. * db2/btree/bt_close.c: Likewise. * db2/btree/bt_conv.c: Likewise. * db2/btree/bt_cursor.c: Likewise. * db2/btree/bt_put.c: Likewise. * db2/btree/bt_rec.c: Likewise. * db2/btree/bt_recno.c: Likewise. * db2/btree/btree.src: Likewise. * db2/btree/btree_auto.c: Likewise. * db2/clib/getlong.c: Likewise. * db2/db/db.c: Likewise. * db2/db/db_auto.c: Likewise. * db2/db/db_conv.c: Likewise. * db2/db/db_pr.c: Likewise. * db2/db/db_ret.c: Likewise. * db2/db/db_thread.c: Likewise. * db2/hash/hash.c: Likewise. * db2/hash/hash_auto.c: Likewise. * db2/hash/hash_conv.c: Likewise. * db2/hash/hash_dup.c: Likewise. * db2/hash/hash_func.c: Likewise. * db2/hash/hash_page.c: Likewise. * db2/hash/hash_rec.c: Likewise. * db2/include/btree.h: Likewise. * db2/include/btree_ext.h: Likewise. * db2/include/db.h.src: Likewise. * db2/include/db_185.h.src: Likewise. * db2/include/db_cxx.h: Likewise. * db2/include/db_ext.h: Likewise. * db2/include/db_int.h.src: Likewise. * db2/include/db_page.h: Likewise. * db2/include/db_shash.h: Likewise. * db2/include/lock.h: Likewise. * db2/include/log.h: Likewise. * db2/include/log_ext.h: Likewise. * db2/include/mp.h: Likewise. * db2/include/shqueue.h: Likewise. * db2/include/txn.h: Likewise. * db2/lock/lock.c: Likewise. * db2/lock/lock_deadlock.c: Likewise. * db2/log/log.c: Likewise. * db2/log/log_archive.c: Likewise. * db2/log/log_auto.c: Likewise. * db2/log/log_get.c: Likewise. * db2/log/log_put.c: Likewise. * db2/log/log_register.c: Likewise. * db2/mp/mp_bh.c: Likewise. * db2/mp/mp_fget.c: Likewise. * db2/mp/mp_fopen.c: Likewise. * db2/mp/mp_fput.c: Likewise. * db2/mp/mp_fset.c: Likewise. * db2/mp/mp_open.c: Likewise. * db2/mutex/mutex.c: Likewise. * db2/os/db_os_dir.c: Likewise. * db2/progs/db_checkpoint/db_checkpoint.c: Likewise. * db2/progs/db_deadlock/db_deadlock.c: Likewise. * db2/progs/db_dump185/db_dump185.c: Likewise. * db2/progs/db_load/db_load.c: Likewise. * db2/progs/db_recover/db_recover.c: Likewise. * db2/txn/txn.c: Likewise. * db2/txn/txn_auto.c: Likewise. * elf/link.h: Define struct libname_list outside struct link_map to not confuse C++ compilers. * include/features.h: Recognize _XOPEN_SOURCE == 500 and set __USE_UNIX98. * manual/creature.texi: Explain this. * libc.map: Add new functions. * libio/Makefile (routines): Add fseeko and ftello. * libio/ftello.c: New file. * libio/fseeko.c: New file. * libio/stdio.h: Add prototypes for new functions. * manual/stdio.texi: Document fseeko and ftello. * posix/Makefile (routines): Add pread and pwrite. * sysdeps/posix/pread.c: New file. * sysdeps/posix/pwrite.c: New file. * sysdeps/stub/pread.c: New file. * sysdeps/stub/pwrite.c: New file. * posix/unistd.h: Add prototypes for pread and pwrite. Pretty print header. Define gid_t, uid_t, off_t, pid_t if __USE_UNIX98. Declare ctermid and cuserid if __USE_UNIX98. (swab): Change to take void * arguments. * string/swab.c: Change parameter to void *. * posix/sys/types: Define gid_t, uid_t, off_t, pid_t only if not already happened. * manual/llio.texi: Document pread and pwrite. * string/strings.h: Don't simply include string.h. Define BSD functions according to Unix98. * stdlib/tst-strtol.c: Include <string.h> not <strings.h>. * sunrpc/clnt_simp.c: Likewise. * malloc/Makefile (aux): Add set-freeres. * malloc/mtrace.c: Define function release_libc_mem which calls the __libc_subfreeres handler. (mtrace): Register release_libc_mem. * malloc/set-freeres.c: New file. * intl/dcgettext.c: Define free_mem function and add to __libc_subfreeres list. * intl/finddomain.c: Likewise. * intl/gettextP.h (struct loaded_domain): Add new fields use_mmap and mmap_size. Add prototype for _nl_unloaded_domain. * intl/loadmsgcat.c: Define new function _nl_unload_domain. (_nl_load_domain): Store informaiton about mmap use and file size. * intl/localealias.c (read_alias_file): Optimize locale alias file reading by avoid frequen mallocs. Define free_mem function and add to __libc_subfreeres list. * locale/localeinfo.h: Make a difference between MAX_USAGE_COUNT and undeletable. Add prototype for _nl_unload_locale. * locale/C-collate: Mark data as undeletable by using UNDELETABLE. * locale/C-ctype: Likewise. * locale/C-messages: Likewise. * locale/C-monetary: Likewise. * locale/C-numeric: Likewise. * locale/C-time: Likewise. * locale/findlocale.c (_nl_find_locale, _nl_remove_locale): Handle MAX_USAGE_COUNT and UNDELETABLE. (free_mem): New function. Add it to __libc_subfreeres list. * locale/loadlocale.c: Define _nl_unload_locale function. * misc/hsearch.c: Register hdestroy in __libc_subfreeres list. * stdlib/fmtmsg.c (addseverity): Handle illegal severity arguments correctly Define free_mem function and add to __libc_subfreeres list. * locale/programs/localedef.c (options): short form os verbose is v. Reported by Andreas Jaeger. * misc/sys/select.h: Define pselect only is __USE_POSIX since this header is used in some others as well for historical reasons. * resolv/resolv.h: Include <netinet/in.h> to make self-contained. * string/bits/string2.h: Add missing braces and optimize strcmp a bit more. * sysdeps/i386/i486/bits/string.h: Likewise. * sunrpc/rpc/auth_des.h: Include rpc/auth.h to be self-contained. Pretty print. * sysdeps/mach/hurd/cthreads.c: Add copyright text. * sysdeps/unix/sysv/linux/syscalls.list: Correct prctl entry. * sysdeps/unix/sysv/linux/sys/mman.h: Get definition of size_t. * time/time.h: Pretty print. 1997-09-29 Paul Eggert <eggert@twinsun.com> * time/strftime.c: Synchronize with GNU Emacs strftime.c. (HAVE_MEMCPY): Define if emacs is defined and HAVE_BCOPY isn't. (gmtime_r, localtime_r): Undef before defining. (iso_week_days): Use __inline__, not inline. 1997-09-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/bits/mathinline.h: Rename exp2{,l,f} to __ieee754_exp2{,l,f}. * sysdeps/m68k/fpu/s_exp2.c: Likewise. * sysdeps/m68k/fpu/s_exp2l.c: Likewise. * sysdeps/m68k/fpu/s_exp2f.c: Likewise. 1997-09-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/soinit.c (__EH_FRAME_BEGIN__): Don't make the .eh_frame section read-only, it contains relocations. * elf/sofini.c (__FRAME_END__): Likewise. 1997-09-29 03:08 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/i486/bits/string.h [__PIC__] (__strspn_cg, __strcspn_cg, __strpbrk_cg, __strstr_cg): Optimize even more. No spill register needed. Patch by NIIBE Yutaka <gniibe@mri.co.jp>. 1997-09-28 08:27 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nis_call.c (__do_niscall2): Fix return code, add missing break in switch case. * nis/nis_mkdir.c: Fix return codes to match Solaris version. * nis/nis_rmdir.c: Likewise. * nis/rpcsvc/yp_prot.h: Rename struct keydat to struct keydat_t for C++. 1997-09-28 04:32 Ulrich Drepper <drepper@cygnus.com> * configure.in: Fix typo. Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>. 1997-09-25 20:14 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/unix/sysv/linux/scsi/sg.h: New file. * sysdeps/unix/sysv/linux/Makefile: Install <scsi/sg.h>.
Diffstat (limited to 'sysdeps/i386')
-rw-r--r-- | sysdeps/i386/i486/bits/string.h | 234 |
1 files changed, 70 insertions, 164 deletions
diff --git a/sysdeps/i386/i486/bits/string.h b/sysdeps/i386/i486/bits/string.h index 28ca38315e..ef808d2e7d 100644 --- a/sysdeps/i386/i486/bits/string.h +++ b/sysdeps/i386/i486/bits/string.h @@ -368,7 +368,7 @@ __strlen_g (__const char *__str) #define _HAVE_STRING_ARCH_strcpy 1 #define strcpy(dest, src) \ (__extension__ (__builtin_constant_p (src) \ - ? (sizeof (src[0]) == 1 && strlen (src) + 1 <= 8 \ + ? (sizeof ((src)[0]) == 1 && strlen (src) + 1 <= 8 \ ? __strcpy_small (dest, src, strlen (src) + 1) \ : (char *) memcpy (dest, src, strlen (src) + 1)) \ : __strcpy_g (dest, src))) @@ -800,18 +800,40 @@ __strncat_g (char *__dest, __const char __src[], size_t __n) #define _HAVE_STRING_ARCH_strcmp 1 #define strcmp(s1, s2) \ (__extension__ (__builtin_constant_p (s1) && __builtin_constant_p (s2) \ - && (sizeof (s1)[0] != 1 || strlen (s1) >= 4) \ - && (sizeof (s2)[0] != 1 || strlen (s2) >= 4) \ + && (sizeof ((s1)[0]) != 1 || strlen (s1) >= 4) \ + && (sizeof ((s2)[0]) != 1 || strlen (s2) >= 4) \ ? memcmp (s1, s2, (strlen (s1) < strlen (s2) \ ? strlen (s1) : strlen (s2)) + 1) \ - : (__builtin_constant_p (s1) && sizeof (s1)[0] == 1 \ - && sizeof (s2)[0] == 1 && strlen (s1) < 4 \ - ? __strcmp_cg (s1, s2, strlen (s1)) \ - : (__builtin_constant_p (s2) && sizeof (s1)[0] == 1 \ - && sizeof (s2)[0] == 1 && strlen (s2) < 4 \ - ? __strcmp_gc (s1, s2, strlen (s2)) \ + : (__builtin_constant_p (s1) && sizeof ((s1)[0]) == 1 \ + && sizeof ((s2)[0]) == 1 && strlen (s1) < 4 \ + ? (__builtin_constant_p (s2) && sizeof ((s2)[0]) == 1 \ + ? __strcmp_cc (s1, s2, strlen (s1)) \ + : __strcmp_cg (s1, s2, strlen (s1))) \ + : (__builtin_constant_p (s2) && sizeof ((s1)[0]) == 1 \ + && sizeof ((s2)[0]) == 1 && strlen (s2) < 4 \ + ? (__builtin_constant_p (s1) \ + ? __strcmp_cc (s1, s2, strlen (s2)) \ + : __strcmp_gc (s1, s2, strlen (s2))) \ : __strcmp_gg (s1, s2))))) +#define __strcmp_cc(s1, s2, l) \ + (__extension__ ({ register int __result = ((unsigned char) (s1)[0] \ + - (unsigned char) (s2)[0]); \ + if (l > 0 && __result == 0) \ + { \ + __result = ((unsigned char) (s1)[1] \ + - (unsigned char) (s2)[1]); \ + if (l > 1 && __result == 0) \ + { \ + __result = ((unsigned char) (s1)[2] \ + - (unsigned char) (s2)[2]); \ + if (l > 2 && __result == 0) \ + __result = ((unsigned char) (s1)[3] \ + - (unsigned char) (s2)[3]); \ + } \ + } \ + __result; })) + #define __strcmp_cg(s1, s2, l1) \ (__extension__ ({ __const unsigned char *__s2 = (unsigned char *) (s2); \ register int __result = (unsigned char) (s1)[0] - __s2[0];\ @@ -1076,32 +1098,28 @@ __strcspn_c1 (__const char *__s, int __reject) return (__res - 1) - __s; } -#ifdef __PIC__ __STRING_INLINE size_t __strcspn_cg (__const char *__s, __const char __reject[], size_t __reject_len) { register __const char *__res; - int __mem; __asm__ __volatile__ - ("movl %%ebx,%1\n\t" - "movl %%ecx,%%ebx\n\t" - "cld\n" + ("cld\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" + "movl %2,%%edi\n\t" + "movl %3,%%ecx\n\t" "repne; scasb\n\t" "jne 1b\n" - "2:\n\t" - "movl %1,%%ebx" - : "=S" (__res), "=&m" (__mem) - : "c" (__reject_len), "0" (__s), "r" (__reject), "1" (__mem) + "2:" + : "=S" (__res) + : "0" (__s), "d" (__reject), "g" (__reject_len) : "ax", "cx", "di", "cc"); return (__res - 1) - __s; } +#ifdef __PIC__ __STRING_INLINE size_t __strcspn_g (__const char *__s, __const char *__reject) { @@ -1131,27 +1149,6 @@ __strcspn_g (__const char *__s, __const char *__reject) } #else __STRING_INLINE size_t -__strcspn_cg (__const char *__s, __const char __reject[], size_t __reject_len) -{ - register __const char *__res; - __asm__ __volatile__ - ("cld\n" - "1:\n\t" - "lodsb\n\t" - "testb %%al,%%al\n\t" - "je 2f\n\t" - "movl %%ebx,%%edi\n\t" - "movl %%edx,%%ecx\n\t" - "repne; scasb\n\t" - "jne 1b\n" - "2:" - : "=S" (__res) - : "d" (__reject_len), "0" (__s), "b" (__reject) - : "ax", "cx", "di", "cc"); - return (__res - 1) - __s; -} - -__STRING_INLINE size_t __strcspn_g (__const char *__s, __const char *__reject) { register __const char *__res; @@ -1199,40 +1196,35 @@ __strspn_c1 (__const char *__s, int __accept) "movb (%0),%%al\n\t" "leal 1(%0),%0\n\t" "cmpb %%ah,%%al\n\t" - "je 1b\n" - "2:" + "je 1b" : "=r" (__res) : "a" (__accept), "0" (__s) : "ax", "cc"); return (__res - 1) - __s; } -#ifdef __PIC__ __STRING_INLINE size_t __strspn_cg (__const char *__s, __const char __accept[], size_t __accept_len) { register __const char *__res; - int __mem; __asm__ __volatile__ - ("movl %%ebx,%1\n\t" - "movl %%ecx,%%ebx\n\t" - "cld\n" + ("cld\n" "1:\n\t" "lodsb\n\t" "testb %%al,%%al\n\t" "je 2f\n\t" - "movl %%edx,%%edi\n\t" - "movl %%ebx,%%ecx\n\t" + "movl %2,%%edi\n\t" + "movl %3,%%ecx\n\t" "repne; scasb\n\t" "je 1b\n" - "2:\n\t" - "movl %1,%%ebx" - : "=S" (__res), "=m" (__mem) - : "c" (__accept_len), "0" (__s), "d" (__accept), "1" (__mem) + "2:" + : "=S" (__res) + : "0" (__s), "d" (__accept), "g" (__accept_len) : "ax", "cx", "di", "cc"); return (__res - 1) - __s; } +#ifdef __PIC__ __STRING_INLINE size_t __strspn_g (__const char *__s, __const char *__accept) { @@ -1262,27 +1254,6 @@ __strspn_g (__const char *__s, __const char *__accept) } #else __STRING_INLINE size_t -__strspn_cg (__const char *__s, __const char __accept[], size_t __accept_len) -{ - register __const char *__res; - __asm__ __volatile__ - ("cld\n" - "1:\n\t" - "lodsb\n\t" - "testb %%al,%%al\n\t" - "je 2f\n\t" - "movl %%ebx,%%edi\n\t" - "movl %%edx,%%ecx\n\t" - "repne; scasb\n\t" - "je 1b\n" - "2:" - : "=S" (__res) - : "d" (__accept_len), "0" (__s), "b" (__accept), "D" (__accept) - : "ax", "cx", "dx", "di", "cc"); - return (__res - 1) - __s; -} - -__STRING_INLINE size_t __strspn_g (__const char *__s, __const char *__accept) { register __const char *__res; @@ -1319,36 +1290,32 @@ __strspn_g (__const char *__s, __const char *__accept) : __strpbrk_cg (s, accept, strlen (accept)))) \ : __strpbrk_g (s, accept))) -#ifdef __PIC__ __STRING_INLINE char * __strpbrk_cg (__const char *__s, __const char __accept[], size_t __accept_len) { register char *__res; - int __mem; __asm__ __volatile__ - ("movl %%ebx,%1\n\t" - "movl %%ecx,%%ebx\n\t" - "cld\n" + ("cld\n" "1:\n\t" "lodsb\n\t" "testb %%al,%%al\n\t" "je 2f\n\t" - "movl %%edx,%%edi\n\t" - "movl %%ebx,%%ecx\n\t" + "movl %2,%%edi\n\t" + "movl %3,%%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" - "movl %1,%%ebx" - : "=S" (__res), "=m" (__mem) - : "c" (__accept_len), "0" (__s), "d" (__accept), "1" (__mem) + "3:" + : "=S" (__res) + : "0" (__s), "d" (__accept), "g" (__accept_len) : "ax", "cx", "di", "cc"); return __res; } +#ifdef __PIC__ __STRING_INLINE char * __strpbrk_g (__const char *__s, __const char *__accept) { @@ -1382,32 +1349,6 @@ __strpbrk_g (__const char *__s, __const char *__accept) } #else __STRING_INLINE char * -__strpbrk_cg (__const char *__s, __const char __accept[], size_t __accept_len) -{ - register char *__res; - __asm__ __volatile__ - ("movl %%ebx,%%edi\n\t" - "cld\n" - "1:\n\t" - "lodsb\n\t" - "testb %%al,%%al\n\t" - "je 2f\n\t" - "movl %%ebx,%%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) - : "d" (__accept_len), "0" (__s), "b" (__accept) - : "ax", "cx", "dx", "di", "cc"); - return __res; -} - -__STRING_INLINE char * __strpbrk_g (__const char *__s, __const char *__accept) { register char *__res; @@ -1440,18 +1381,15 @@ __strpbrk_g (__const char *__s, __const char *__accept) /* Find the first occurrence of NEEDLE in HAYSTACK. */ #define _HAVE_STRING_ARCH_strstr 1 -#ifdef __PIC__ -/* XXX GCC has problems to spill the registers. */ -# define strstr(haystack, needle) \ +#define strstr(haystack, needle) \ (__extension__ (__builtin_constant_p (needle) && sizeof ((needle)[0]) == 1 \ ? ((needle)[0] == '\0' \ ? haystack \ : ((needle)[1] == '\0' \ - ? strchr (haystack, (needle)[0]) \ - : strstr (haystack, needle))) \ - : strstr (haystack, needle))) + ? strchr (haystack, (needle)[0]) \ + : __strstr_cg (haystack, needle, strlen (needle)))) \ + : __strstr_g (haystack, needle))) -# if 0 /* Please note that this function need not handle NEEDLEs with a length shorter than two. */ __STRING_INLINE char * @@ -1459,29 +1397,30 @@ __strstr_cg (__const char *__haystack, __const char __needle[], size_t __needle_len) { register char *__res; - int __mem; __asm__ __volatile__ - ("movl %%ebx,%1\n\t" - "movl %%ecx,%%ebx\n" - "cld\n" \ + ("cld\n" \ "1:\n\t" - "movl %%edx,%%edi\n\t" - "movl %%esi,%%eax\n\t" - "movl %%ebx,%%ecx\n\t" + "movl %3,%%edi\n\t" + "movl %2,%%eax\n\t" + "movl %1,%%ecx\n\t" "repe; cmpsb\n\t" "je 2f\n\t" "cmpb $0,-1(%%esi)\n\t" - "leal 1(%%eax),%%esi\n\t" + "leal 1(%%eax),%2\n\t" "jne 1b\n\t" "xorl %%eax,%%eax\n" - "2:\n\t" - "movl %1,%%ebx" - : "=a" (__res), "=m" (__mem) - : "c" (__needle_len), "S" (__haystack), "d" (__needle), "1" (__mem) + "2:" + : "=a" (__res) + : "g" (__needle_len), "S" (__haystack), "d" (__needle) : "cx", "di", "si", "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) { @@ -1514,39 +1453,6 @@ __strstr_g (__const char *__haystack, __const char *__needle) } # endif #else -# define strstr(haystack, needle) \ - (__extension__ (__builtin_constant_p (needle) && sizeof ((needle)[0]) == 1 \ - ? ((needle)[0] == '\0' \ - ? haystack \ - : ((needle)[1] == '\0' \ - ? strchr (haystack, (needle)[0]) \ - : __strstr_cg (haystack, needle, strlen (needle)))) \ - : __strstr_g (haystack, needle))) - -__STRING_INLINE char * -__strstr_cg (__const char *__haystack, __const char __needle[], - size_t __needle_len) -{ - register char *__res; - __asm__ __volatile__ - ("cld\n" \ - "1:\n\t" - "movl %%ebx,%%edi\n\t" - "movl %%esi,%%eax\n\t" - "movl %%edx,%%ecx\n\t" - "repe; cmpsb\n\t" - "je 2f\n\t" - "cmpb $0,-1(%%esi)\n\t" - "leal 1(%%eax),%%esi\n\t" - "jne 1b\n\t" - "xorl %%eax,%%eax\n" - "2:" - : "=a" (__res) - : "d" (__needle_len), "S" (__haystack), "b" (__needle) - : "cx", "dx", "di", "si", "cc"); - return __res; -} - __STRING_INLINE char * __strstr_g (__const char *__haystack, __const char *__needle) { |