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-rw-r--r--sysdeps/alpha/strchr.c84
1 files changed, 0 insertions, 84 deletions
diff --git a/sysdeps/alpha/strchr.c b/sysdeps/alpha/strchr.c
deleted file mode 100644
index 69afa4b87f..0000000000
--- a/sysdeps/alpha/strchr.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 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
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-#include <string.h>
-
-/* Return the length of the null-terminated string STR. Scan for
- the null terminator quickly by testing eight bytes at a time. */
-
-char *
-strchr (const char *str, int c)
-{
- const char *char_ptr;
- const unsigned long int *longword_ptr;
- unsigned long int charmask;
-
- c = (unsigned char) c;
-
- /* Handle the first few characters by reading one character at a time.
- Do this until STR is aligned on a 8-byte border. */
- for (char_ptr = str; ((unsigned long int) char_ptr & 7) != 0; ++char_ptr)
- if (*char_ptr == c)
- return (char *) char_ptr;
- else if (*char_ptr == '\0')
- return NULL;
-
- longword_ptr = (unsigned long int *) char_ptr;
-
- /* Set up a longword, each of whose bytes is C. */
- charmask = c | (c << 8);
- charmask |= charmask << 16;
- charmask |= charmask << 32;
-
- for (;;)
- {
- const unsigned long int longword = *longword_ptr++;
- int ge, le, zero;
-
- /* Set bits in ZERO if bytes in LONGWORD are zero. */
- asm ("cmpbge $31, %1, %0" : "=r" (zero) : "r" (longword));
-
- /* Set bits in GE if bytes in CHARMASK are >= bytes in LONGWORD. */
- asm ("cmpbge %1, %2, %0" : "=r" (ge) : "r" (charmask), "r" (longword));
-
- /* Set bits in LE if bytes in CHARMASK are <= bytes in LONGWORD. */
- asm ("cmpbge %2, %1, %0" : "=r" (le) : "r" (charmask), "r" (longword));
-
- /* Bytes that are both <= and >= are == to C. */
- if (zero || (ge & le))
- {
- /* Which of the bytes was the C? */
-
- char *cp = (char *) (longword_ptr - 1);
- int i;
-
- for (i = 0; i < 8; i++)
- {
- if (cp[i] == c)
- return &cp[i];
- if (cp[i] == 0)
- return NULL;
- }
- return NULL;
- }
- }
-}
-
-#ifdef weak_alias
-#undef index
-weak_alias (strchr, index)
-#endif