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2b778ceb40
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
53 lines
1.4 KiB
ArmAsm
53 lines
1.4 KiB
ArmAsm
/* Highly optimized version for ix86, x>=6.
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Copyright (C) 1999-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include "asm-syntax.h"
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#define PARMS 4 /* no space for saved regs */
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#define STR1 PARMS
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#define STR2 STR1+4
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.text
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ENTRY (strcmp)
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movl STR1(%esp), %ecx
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movl STR2(%esp), %edx
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L(oop): movb (%ecx), %al
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cmpb (%edx), %al
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jne L(neq)
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incl %ecx
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incl %edx
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testb %al, %al
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jnz L(oop)
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xorl %eax, %eax
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/* when strings are equal, pointers rest one beyond
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the end of the NUL terminators. */
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ret
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L(neq): movl $1, %eax
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movl $-1, %ecx
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cmovbl %ecx, %eax
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ret
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END (strcmp)
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libc_hidden_builtin_def (strcmp)
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