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Diffstat (limited to 'sysdeps/i386/i586/memcopy.h')
-rw-r--r--sysdeps/i386/i586/memcopy.h95
1 files changed, 0 insertions, 95 deletions
diff --git a/sysdeps/i386/i586/memcopy.h b/sysdeps/i386/i586/memcopy.h
deleted file mode 100644
index 39f020a746..0000000000
--- a/sysdeps/i386/i586/memcopy.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/* memcopy.h -- definitions for memory copy functions. Pentium version.
- Copyright (C) 1994-2017 Free Software Foundation, Inc.
- Contributed by Torbjorn Granlund (tege@sics.se).
- 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, see
- <http://www.gnu.org/licenses/>. */
-
-/* Get the i386 definitions. We will override some of them below. */
-#include <sysdeps/i386/memcopy.h>
-
-/* Written like this, the Pentium pipeline can execute the loop at a
- sustained rate of 2 instructions/clock, or asymptotically 480
- Mbytes/second at 60Mhz. */
-
-#undef WORD_COPY_FWD
-#define WORD_COPY_FWD(dst_bp, src_bp, nbytes_left, nbytes) \
- do \
- { \
- asm volatile ("subl $32,%2\n" \
- "js 2f\n" \
- "movl 0(%0),%%edx\n" /* alloc dest line */ \
- "1:\n" \
- "movl 28(%0),%%eax\n" /* alloc dest line */ \
- "subl $32,%2\n" /* decr loop count */ \
- "movl 0(%1),%%eax\n" /* U pipe */ \
- "movl 4(%1),%%edx\n" /* V pipe */ \
- "movl %%eax,0(%0)\n" /* U pipe */ \
- "movl %%edx,4(%0)\n" /* V pipe */ \
- "movl 8(%1),%%eax\n" \
- "movl 12(%1),%%edx\n" \
- "movl %%eax,8(%0)\n" \
- "movl %%edx,12(%0)\n" \
- "movl 16(%1),%%eax\n" \
- "movl 20(%1),%%edx\n" \
- "movl %%eax,16(%0)\n" \
- "movl %%edx,20(%0)\n" \
- "movl 24(%1),%%eax\n" \
- "movl 28(%1),%%edx\n" \
- "movl %%eax,24(%0)\n" \
- "movl %%edx,28(%0)\n" \
- "leal 32(%1),%1\n" /* update src ptr */ \
- "leal 32(%0),%0\n" /* update dst ptr */ \
- "jns 1b\n" \
- "2: addl $32,%2" : \
- "=r" (dst_bp), "=r" (src_bp), "=r" (nbytes_left) : \
- "0" (dst_bp), "1" (src_bp), "2" (nbytes) : \
- "ax", "dx"); \
- } while (0)
-
-#undef WORD_COPY_BWD
-#define WORD_COPY_BWD(dst_ep, src_ep, nbytes_left, nbytes) \
- do \
- { \
- asm volatile ("subl $32,%2\n" \
- "js 2f\n" \
- "movl -4(%0),%%edx\n" \
- "1:\n" \
- "movl -32(%0),%%eax\n" \
- "subl $32,%2\n" \
- "movl -4(%1),%%eax\n" \
- "movl -8(%1),%%edx\n" \
- "movl %%eax,-4(%0)\n" \
- "movl %%edx,-8(%0)\n" \
- "movl -12(%1),%%eax\n" \
- "movl -16(%1),%%edx\n" \
- "movl %%eax,-12(%0)\n" \
- "movl %%edx,-16(%0)\n" \
- "movl -20(%1),%%eax\n" \
- "movl -24(%1),%%edx\n" \
- "movl %%eax,-20(%0)\n" \
- "movl %%edx,-24(%0)\n" \
- "movl -28(%1),%%eax\n" \
- "movl -32(%1),%%edx\n" \
- "movl %%eax,-28(%0)\n" \
- "movl %%edx,-32(%0)\n" \
- "leal -32(%1),%1\n" \
- "leal -32(%0),%0\n" \
- "jns 1b\n" \
- "2: addl $32,%2" : \
- "=r" (dst_ep), "=r" (src_ep), "=r" (nbytes_left) : \
- "0" (dst_ep), "1" (src_ep), "2" (nbytes) : \
- "ax", "dx"); \
- } while (0)