/* Entry point for multi-version x86 strncasecmp. All versions must be listed in ifunc-impl-list.c. Copyright (C) 2011-2014 Free Software Foundation, Inc. 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 . */ #include #include #ifdef SHARED .text ENTRY(__strncasecmp) .type __strncasecmp, @gnu_indirect_function pushl %ebx cfi_adjust_cfa_offset (4) cfi_rel_offset (ebx, 0) LOAD_PIC_REG(bx) cmpl $0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx) jne 1f call __init_cpu_features 1: leal __strncasecmp_ia32@GOTOFF(%ebx), %eax testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features@GOTOFF(%ebx) jz 2f leal __strncasecmp_ssse3@GOTOFF(%ebx), %eax testl $bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features@GOTOFF(%ebx) jz 2f testl $bit_Slow_SSE4_2, FEATURE_OFFSET+index_Slow_SSE4_2+__cpu_features@GOTOFF(%ebx) jnz 2f leal __strncasecmp_sse4_2@GOTOFF(%ebx), %eax 2: popl %ebx cfi_adjust_cfa_offset (-4) cfi_restore (ebx) ret END(__strncasecmp) #else .text ENTRY(__strncasecmp) .type __strncasecmp, @gnu_indirect_function cmpl $0, KIND_OFFSET+__cpu_features jne 1f call __init_cpu_features 1: leal __strncasecmp_ia32, %eax testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features jz 2f leal __strncasecmp_ssse3, %eax testl $bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features jz 2f testl $bit_Slow_SSE4_2, FEATURE_OFFSET+index_Slow_SSE4_2+__cpu_features jnz 2f leal __strncasecmp_sse4_2, %eax 2: ret END(__strncasecmp) #endif weak_alias (__strncasecmp, strncasecmp)