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-rw-r--r--sysdeps/i386/bzero.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/sysdeps/i386/bzero.c b/sysdeps/i386/bzero.c
deleted file mode 100644
index 1a89444a11..0000000000
--- a/sysdeps/i386/bzero.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* bzero -- set a block of memory to zero. For Intel 80x86, x>=3.
- This file is part of the GNU C Library.
- Copyright (C) 1991-2015 Free Software Foundation, Inc.
- Contributed by Torbjorn Granlund (tege@sics.se).
-
- 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <string.h>
-#include <memcopy.h>
-
-#undef bzero
-#undef __bzero
-
-#ifdef __GNUC__
-
-void
-__bzero (dstpp, len)
- void *dstpp;
- size_t len;
-{
- /* N.B.: This code is almost verbatim from memset.c. */
- int d0;
- unsigned long int dstp = (unsigned long int) dstpp;
-
- /* This explicit register allocation
- improves code very much indeed. */
- register op_t x asm ("ax");
-
- x = 0;
-
- /* Clear the direction flag, so filling will move forward. */
- asm volatile ("cld");
-
- /* This threshold value is optimal. */
- if (len >= 12)
- {
- /* Adjust LEN for the bytes handled in the first loop. */
- len -= (-dstp) % OPSIZ;
-
- /* There are at least some bytes to set.
- No need to test for LEN == 0 in this alignment loop. */
-
- /* Fill bytes until DSTP is aligned on a longword boundary. */
- asm volatile ("rep\n"
- "stosb" /* %0, %2, %3 */ :
- "=D" (dstp), "=c" (d0) :
- "0" (dstp), "1" ((-dstp) % OPSIZ), "a" (x) :
- "memory");
-
- /* Fill longwords. */
- asm volatile ("rep\n"
- "stosl" /* %0, %2, %3 */ :
- "=D" (dstp), "=c" (d0) :
- "0" (dstp), "1" (len / OPSIZ), "a" (x) :
- "memory");
- len %= OPSIZ;
- }
-
- /* Write the last few bytes. */
- asm volatile ("rep\n"
- "stosb" /* %0, %2, %3 */ :
- "=D" (dstp), "=c" (d0) :
- "0" (dstp), "c" (len), "a" (x) :
- "memory");
-}
-weak_alias (__bzero, bzero)
-
-#else
-#include <string/bzero.c>
-#endif