1 /* Multiple versions of memmove
2 Copyright (C) 2010 Free Software Foundation, Inc.
3 Contributed by Intel Corporation.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <init-arch.h>
24 /* Define multiple versions only for the definition in lib. */
27 .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
28 .globl __i686.get_pc_thunk.bx
29 .hidden __i686.get_pc_thunk.bx
31 .type __i686.get_pc_thunk.bx,@function
32 __i686.get_pc_thunk.bx:
38 .type memmove, @gnu_indirect_function
40 cfi_adjust_cfa_offset (4)
41 cfi_rel_offset (ebx, 0)
42 call __i686.get_pc_thunk.bx
43 addl $_GLOBAL_OFFSET_TABLE_, %ebx
44 cmpl $0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx)
46 call __init_cpu_features
47 1: leal __memmove_ia32@GOTOFF(%ebx), %eax
48 testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features@GOTOFF(%ebx)
50 leal __memmove_ssse3@GOTOFF(%ebx), %eax
51 testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features@GOTOFF(%ebx)
53 leal __memmove_ssse3_rep@GOTOFF(%ebx), %eax
55 cfi_adjust_cfa_offset (-4)
61 # define ENTRY(name) \
62 .type __memmove_ia32, @function; \
64 __memmove_ia32: cfi_startproc; \
69 .type memmove, @gnu_indirect_function
70 cmpl $0, KIND_OFFSET+__cpu_features
72 call __init_cpu_features
73 1: leal __memmove_ia32, %eax
74 testl $bit_SSSE3, CPUID_OFFSET+index_SSSE3+__cpu_features
76 leal __memmove_ssse3, %eax
77 testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features
79 leal __memmove_ssse3_rep, %eax
84 # define ENTRY(name) \
85 .type __memmove_ia32, @function; \
86 .globl __memmove_ia32; \
88 __memmove_ia32: cfi_startproc; \
94 cfi_endproc; .size __memmove_ia32, .-__memmove_ia32
97 # define ENTRY_CHK(name) \
98 .type __memmove_chk_ia32, @function; \
99 .globl __memmove_chk_ia32; \
101 __memmove_chk_ia32: cfi_startproc; \
104 # define END_CHK(name) \
105 cfi_endproc; .size __memmove_chk_ia32, .-__memmove_chk_ia32
108 # undef libc_hidden_builtin_def
109 /* IFUNC doesn't work with the hidden functions in shared library since
110 they will be called without setting up EBX needed for PLT which is
112 # define libc_hidden_builtin_def(name) \
113 .globl __GI_memmove; __GI_memmove = __memmove_ia32
117 #include "../memmove.S"