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69 lines
2.1 KiB
ArmAsm
69 lines
2.1 KiB
ArmAsm
/* Entry point for multi-version x86 strncasecmp.
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Copyright (C) 2011 Free Software Foundation, Inc.
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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, 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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#include <sysdep.h>
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#include <init-arch.h>
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#ifdef SHARED
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.text
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ENTRY(__strncasecmp)
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.type __strncasecmp, @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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call __i686.get_pc_thunk.bx
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addl $_GLOBAL_OFFSET_TABLE_, %ebx
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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 __strncasecmp_ia32@GOTOFF(%ebx), %eax
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testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features@GOTOFF(%ebx)
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jz 2f
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leal __strncasecmp_ssse3@GOTOFF(%ebx), %eax
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testl $bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features@GOTOFF(%ebx)
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jz 2f
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leal __strncasecmp_sse4_2@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(__strncasecmp)
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#else
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.text
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ENTRY(__strncasecmp)
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.type __strncasecmp, @gnu_indirect_function
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cmpl $0, KIND_OFFSET+__cpu_features
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jne 1f
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call __init_cpu_features
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1: leal __strncasecmp_ia32, %eax
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testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features
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jz 2f
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leal __strncasecmp_ssse3, %eax
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#if 0
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// XXX Temporarily
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testl $bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features
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jz 2f
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leal __strncasecmp_sse4_2, %eax
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#endif
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2: ret
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END(__strncasecmp)
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#endif
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weak_alias (__strncasecmp, strncasecmp)
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