forked from enlightenment/efl
evil: remove useless code
This commit is contained in:
parent
9b2c0d0988
commit
7af3ad2160
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@ -15,7 +15,6 @@
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#include "evil_test_environment.h"
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#include "evil_test_gettimeofday.h"
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#include "evil_test_link.h"
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#include "evil_test_memcpy.h"
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#include "evil_test_mkstemp.h"
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#include "evil_test_pipe.h"
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#include "evil_test_print.h"
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@ -1,145 +0,0 @@
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif /* HAVE_CONFIG_H */
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#include <stdlib.h>
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#include <stdio.h>
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#undef WIN32_LEAN_AND_MEAN
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#include "evil_suite.h"
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#include "evil_test_memcpy.h"
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typedef void *(*memcpy_decl)(void *dest, const void *src, size_t n);
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void *memcpy_glibc(void *dest, const void *src, size_t n);
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static unsigned char *buf1 = NULL;
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static unsigned char *buf2 = NULL;
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static size_t page_size = 0;
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#if defined (__MINGW32CE__) || defined (_MSC_VER)
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static int
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getpagesize()
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{
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return 1024;
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}
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#endif /* __MINGW32CE__ || _MSC_VER */
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static void
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test_memcpy_test_run(suite *s, memcpy_decl fct, char *dst, const char *src, size_t len)
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{
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double best;
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int i;
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best = 1000000000.0;
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for (i = 0; i < 128; ++i)
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{
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double time;
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suite_time_start(s);
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fct(dst, src, len);
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suite_time_stop(s);
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time = suite_time_get(s);
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if (time < best) best = time;
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}
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printf (" %e", best);
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}
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static void
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test_memcpy_tests_run(suite *s, size_t align1, size_t align2, size_t len)
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{
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size_t i, j;
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char *s1, *s2;
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printf ("running test..\n");
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/* align1 &= 63; */
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/* if (align1 + len >= page_size) */
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/* return; */
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/* align2 &= 63; */
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/* if (align2 + len >= page_size) */
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/* return; */
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s1 = (char *) (buf1 + align1);
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s2 = (char *) (buf2 + align2);
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for (i = 0, j = 1; i < len; i++, j += 23)
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s1[i] = j;
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printf ("length: %6d, align %2Iu/%2Iu:", (int)len, align1, align2);
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test_memcpy_test_run(s, memcpy, s2, s1, len);
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#ifdef _WIN32_WCE
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test_memcpy_test_run(s, memcpy_glibc, s2, s1, len);
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#endif /* _WIN32_WCE */
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printf ("\n");
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}
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int
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test_memcpy(suite *s)
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{
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size_t i;
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page_size = 2 * 1024;
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buf1 = (unsigned char *)malloc(16 * getpagesize());
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if (!buf1) return 0;
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buf2 = (unsigned char *)malloc(16 * getpagesize());
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if (!buf2)
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{
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free(buf1);
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return 0;
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}
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memset (buf1, 0xa5, page_size);
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memset (buf2, 0x5a, page_size);
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for (i = 0; i < 5; ++i)
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{
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test_memcpy_tests_run(s, 0, 0, 1 << i);
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test_memcpy_tests_run(s, i, 0, 1 << i);
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test_memcpy_tests_run(s, 0, i, 1 << i);
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test_memcpy_tests_run(s, i, i, 1 << i);
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}
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for (i = 0; i < 32; ++i)
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{
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test_memcpy_tests_run(s, 0, 0, i);
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test_memcpy_tests_run(s, i, 0, i);
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test_memcpy_tests_run(s, 0, i, i);
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test_memcpy_tests_run(s, i, i, i);
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}
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for (i = 3; i < 32; ++i)
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{
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if ((i & (i - 1)) == 0)
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continue;
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test_memcpy_tests_run(s, 0, 0, 16 * i);
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test_memcpy_tests_run(s, i, 0, 16 * i);
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test_memcpy_tests_run(s, 0, i, 16 * i);
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test_memcpy_tests_run(s, i, i, 16 * i);
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}
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test_memcpy_tests_run(s, 0, 0, getpagesize ());
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test_memcpy_tests_run(s, 0, 0, 2 * getpagesize ());
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test_memcpy_tests_run(s, 0, 0, 4 * getpagesize ());
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test_memcpy_tests_run(s, 0, 0, 8 * getpagesize ());
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test_memcpy_tests_run(s, 0, 0, 16 * getpagesize ());
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free(buf2);
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free(buf1);
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return 1;
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}
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@ -1,8 +0,0 @@
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#ifndef __EVIL_TEST_MEMCPY__
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#define __EVIL_TEST_MEMCPY__
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int test_memcpy(suite *s);
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#endif /* __EVIL_TEST_MEMCPY__ */
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@ -1,231 +0,0 @@
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/* Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by MontaVista Software, Inc. (written by Nicolas Pitre)
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/* Copyright (C) 2008 Vincent Torri
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modification of the name and of the entry / end declaration
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*/
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/*
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* Data preload for architectures that support it (ARM V5TE and above)
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*/
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#if (!defined (__ARM_ARCH_2__) && !defined (__ARM_ARCH_3__) \
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&& !defined (__ARM_ARCH_3M__) && !defined (__ARM_ARCH_4__) \
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&& !defined (__ARM_ARCH_4T__) && !defined (__ARM_ARCH_5__) \
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&& !defined (__ARM_ARCH_5T__))
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#define PLD(code...) code
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#else
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#define PLD(code...)
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#endif
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/*
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* This can be used to enable code to cacheline align the source pointer.
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* Experiments on tested architectures (StrongARM and XScale) didn't show
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* this a worthwhile thing to do. That might be different in the future.
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*/
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//#define CALGN(code...) code
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#define CALGN(code...)
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/*
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* Endian independent macros for shifting bytes within registers.
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*/
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#ifndef __ARMEB__
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#define pull lsr
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#define push lsl
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#else
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#define pull lsl
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#define push lsr
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#endif
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.text
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/* Prototype: void *memcpy_glibc(void *dest, const void *src, size_t n); */
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.align
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.global memcpy_glibc
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.func memcpy_glibc
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memcpy_glibc:
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stmfd sp!, {r0, r4, lr}
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subs r2, r2, #4
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blt 8f
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ands ip, r0, #3
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PLD( pld [r1, #0] )
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bne 9f
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ands ip, r1, #3
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bne 10f
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1: subs r2, r2, #(28)
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stmfd sp!, {r5 - r8}
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blt 5f
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CALGN( ands ip, r1, #31 )
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CALGN( rsb r3, ip, #32 )
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CALGN( sbcnes r4, r3, r2 ) @ C is always set here
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CALGN( bcs 2f )
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CALGN( adr r4, 6f )
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CALGN( subs r2, r2, r3 ) @ C gets set
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CALGN( add pc, r4, ip )
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PLD( pld [r1, #0] )
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2: PLD( subs r2, r2, #96 )
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PLD( pld [r1, #28] )
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PLD( blt 4f )
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PLD( pld [r1, #60] )
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PLD( pld [r1, #92] )
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3: PLD( pld [r1, #124] )
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4: ldmia r1!, {r3, r4, r5, r6, r7, r8, ip, lr}
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subs r2, r2, #32
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stmia r0!, {r3, r4, r5, r6, r7, r8, ip, lr}
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bge 3b
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PLD( cmn r2, #96 )
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PLD( bge 4b )
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5: ands ip, r2, #28
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rsb ip, ip, #32
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addne pc, pc, ip @ C is always clear here
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b 7f
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6: nop
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ldr r3, [r1], #4
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ldr r4, [r1], #4
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ldr r5, [r1], #4
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ldr r6, [r1], #4
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ldr r7, [r1], #4
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ldr r8, [r1], #4
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ldr lr, [r1], #4
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add pc, pc, ip
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nop
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nop
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str r3, [r0], #4
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str r4, [r0], #4
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str r5, [r0], #4
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str r6, [r0], #4
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str r7, [r0], #4
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str r8, [r0], #4
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str lr, [r0], #4
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CALGN( bcs 2b )
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7: ldmfd sp!, {r5 - r8}
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8: movs r2, r2, lsl #31
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ldrneb r3, [r1], #1
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ldrcsb r4, [r1], #1
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ldrcsb ip, [r1]
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strneb r3, [r0], #1
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strcsb r4, [r0], #1
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strcsb ip, [r0]
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ldmfd sp!, {r0, r4, pc}
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9: rsb ip, ip, #4
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cmp ip, #2
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ldrgtb r3, [r1], #1
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ldrgeb r4, [r1], #1
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ldrb lr, [r1], #1
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strgtb r3, [r0], #1
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strgeb r4, [r0], #1
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subs r2, r2, ip
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strb lr, [r0], #1
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blt 8b
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ands ip, r1, #3
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beq 1b
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10: bic r1, r1, #3
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cmp ip, #2
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ldr lr, [r1], #4
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beq 17f
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bgt 18f
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.macro forward_copy_shift pull push
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subs r2, r2, #28
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blt 14f
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CALGN( ands ip, r1, #31 )
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CALGN( rsb ip, ip, #32 )
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CALGN( sbcnes r4, ip, r2 ) @ C is always set here
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CALGN( subcc r2, r2, ip )
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CALGN( bcc 15f )
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11: stmfd sp!, {r5 - r9}
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PLD( pld [r1, #0] )
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PLD( subs r2, r2, #96 )
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PLD( pld [r1, #28] )
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PLD( blt 13f )
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PLD( pld [r1, #60] )
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PLD( pld [r1, #92] )
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12: PLD( pld [r1, #124] )
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13: ldmia r1!, {r4, r5, r6, r7}
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mov r3, lr, pull #\pull
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subs r2, r2, #32
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ldmia r1!, {r8, r9, ip, lr}
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orr r3, r3, r4, push #\push
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mov r4, r4, pull #\pull
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orr r4, r4, r5, push #\push
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mov r5, r5, pull #\pull
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orr r5, r5, r6, push #\push
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mov r6, r6, pull #\pull
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orr r6, r6, r7, push #\push
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mov r7, r7, pull #\pull
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orr r7, r7, r8, push #\push
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mov r8, r8, pull #\pull
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orr r8, r8, r9, push #\push
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mov r9, r9, pull #\pull
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orr r9, r9, ip, push #\push
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mov ip, ip, pull #\pull
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orr ip, ip, lr, push #\push
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stmia r0!, {r3, r4, r5, r6, r7, r8, r9, ip}
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bge 12b
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PLD( cmn r2, #96 )
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PLD( bge 13b )
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ldmfd sp!, {r5 - r9}
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14: ands ip, r2, #28
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beq 16f
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15: mov r3, lr, pull #\pull
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ldr lr, [r1], #4
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subs ip, ip, #4
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orr r3, r3, lr, push #\push
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str r3, [r0], #4
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bgt 15b
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CALGN( cmp r2, #0 )
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CALGN( bge 11b )
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16: sub r1, r1, #(\push / 8)
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b 8b
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.endm
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forward_copy_shift pull=8 push=24
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17: forward_copy_shift pull=16 push=16
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18: forward_copy_shift pull=24 push=8
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.endfunc
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@ -1,81 +0,0 @@
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/* Copy memory block and return pointer to beginning of destination block
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For Intel 80x86, x>=6.
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This file is part of the GNU C Library.
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Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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# define CHECK_BOUNDS_BOTH_WIDE(VAL_REG, BP_MEM, LENGTH) \
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CHECK_BOUNDS_LOW(VAL_REG, BP_MEM); \
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addl LENGTH, VAL_REG; \
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cmpl 8+BP_MEM, VAL_REG; \
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jbe 0f; /* continue if value <= high */ \
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BOUNDS_VIOLATED; \
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0: subl LENGTH, VAL_REG /* restore value */
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# define RETURN_BOUNDED_POINTER(BP_MEM) \
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movl RTN(%esp), %edx; \
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movl %eax, 0(%edx); \
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movl 4+BP_MEM, %eax; \
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movl %eax, 4(%edx); \
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movl 8+BP_MEM, %eax; \
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movl %eax, 8(%edx)
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#define PTR_SIZE 12
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#define RTN_SIZE 4
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#define LINKAGE 8
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#define PARMS LINKAGE /* no space for saved regs */
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#define RTN PARMS
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#define DEST RTN+RTN_SIZE
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#define SRC DEST+PTR_SIZE
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#define LEN SRC+PTR_SIZE
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.text
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.align
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.global memcpy_glibc
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.func memcpy_glibc
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memcpy_glibc:
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pushl %ebp
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movl %esp, %ebp
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movl LEN(%esp), %ecx
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movl %edi, %eax
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movl DEST(%esp), %edi
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movl %esi, %edx
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movl SRC(%esp), %esi
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cld
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shrl $1, %ecx
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jnc 1f
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movsb
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1: shrl $1, %ecx
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jnc 2f
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movsw
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2: rep
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movsl
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movl %eax, %edi
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movl %edx, %esi
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movl DEST(%esp), %eax
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RETURN_BOUNDED_POINTER (DEST(%esp))
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movl %ebp, %esp
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popl %ebp
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.endfunc
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