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48 lines
1.6 KiB
ArmAsm
48 lines
1.6 KiB
ArmAsm
/* Multiple versions of wcscmp
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All versions must be listed in ifunc-impl-list.c.
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Copyright (C) 2011-2013 Free Software Foundation, Inc.
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Contributed by Intel Corporation.
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This file is part of the GNU C Library.
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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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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <init-arch.h>
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/* Define multiple versions only for the definition in libc and for the
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DSO. In static binaries, we need wcscmp before the initialization
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happened. */
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#ifndef NOT_IN_libc
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.text
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ENTRY(wcscmp)
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.type wcscmp, @gnu_indirect_function
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pushl %ebx
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (ebx, 0)
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LOAD_PIC_REG(bx)
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cmpl $0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx)
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jne 1f
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call __init_cpu_features
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1: leal __wcscmp_ia32@GOTOFF(%ebx), %eax
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testl $bit_SSE2, CPUID_OFFSET+index_SSE2+__cpu_features@GOTOFF(%ebx)
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jz 2f
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leal __wcscmp_sse2@GOTOFF(%ebx), %eax
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2: popl %ebx
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cfi_adjust_cfa_offset (-4);
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cfi_restore (ebx)
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ret
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END(wcscmp)
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#endif
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