/* Multiple versions of bcopy All versions must be listed in ifunc-impl-list.c. Copyright (C) 2010-2013 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 lib. */ #ifndef NOT_IN_libc # ifdef SHARED .text ENTRY(bcopy) .type bcopy, @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 __bcopy_ia32@GOTOFF(%ebx), %eax testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features@GOTOFF(%ebx) jz 2f leal __bcopy_ssse3@GOTOFF(%ebx), %eax testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features@GOTOFF(%ebx) jz 2f leal __bcopy_ssse3_rep@GOTOFF(%ebx), %eax 2: popl %ebx cfi_adjust_cfa_offset (-4) cfi_restore (ebx) ret END(bcopy) # else .text ENTRY(bcopy) .type bcopy, @gnu_indirect_function cmpl $0, KIND_OFFSET+__cpu_features jne 1f call __init_cpu_features 1: leal __bcopy_ia32, %eax testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features jz 2f leal __bcopy_ssse3, %eax testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features jz 2f leal __bcopy_ssse3_rep, %eax 2: ret END(bcopy) # endif # undef ENTRY # define ENTRY(name) \ .type __bcopy_ia32, @function; \ .p2align 4; \ .globl __bcopy_ia32; \ .hidden __bcopy_ia32; \ __bcopy_ia32: cfi_startproc; \ CALL_MCOUNT # undef END # define END(name) \ cfi_endproc; .size __bcopy_ia32, .-__bcopy_ia32 #endif #include "../bcopy.S"