/* Multiple versions of wmemcmp Copyright (C) 2011-2012 Free Software Foundation, Inc. Contributed by Intel Corporation. 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 /* Define multiple versions only for the definition in libc. */ #ifndef NOT_IN_libc .text ENTRY(wmemcmp) .type wmemcmp, @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 __wmemcmp_ia32@GOTOFF(%ebx), %eax testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features@GOTOFF(%ebx) jz 2f leal __wmemcmp_ssse3@GOTOFF(%ebx), %eax testl $bit_SSE4_2, CPUID_OFFSET+index_SSE4_2+__cpu_features@GOTOFF(%ebx) jz 2f leal __wmemcmp_sse4_2@GOTOFF(%ebx), %eax 2: popl %ebx cfi_adjust_cfa_offset (-4) cfi_restore (ebx) ret END(wmemcmp) #endif