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Diffstat (limited to 'REORG.TODO/sysdeps/i386/i686/multiarch/strcspn.S')
| -rw-r--r-- | REORG.TODO/sysdeps/i386/i686/multiarch/strcspn.S | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/i386/i686/multiarch/strcspn.S b/REORG.TODO/sysdeps/i386/i686/multiarch/strcspn.S new file mode 100644 index 0000000000..21e5093924 --- /dev/null +++ b/REORG.TODO/sysdeps/i386/i686/multiarch/strcspn.S @@ -0,0 +1,75 @@ +/* Multiple versions of strcspn + All versions must be listed in ifunc-impl-list.c. + Copyright (C) 2009-2017 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 + <http://www.gnu.org/licenses/>. */ + +#include <config.h> +#include <sysdep.h> +#include <init-arch.h> + +#ifdef USE_AS_STRPBRK +#define STRCSPN_SSE42 __strpbrk_sse42 +#define STRCSPN_IA32 __strpbrk_ia32 +#define __GI_STRCSPN __GI_strpbrk +#else +#ifndef STRCSPN +#define STRCSPN strcspn +#define STRCSPN_SSE42 __strcspn_sse42 +#define STRCSPN_IA32 __strcspn_ia32 +#define __GI_STRCSPN __GI_strcspn +#endif +#endif + +/* Define multiple versions only for the definition in libc. Don't + define multiple versions for strpbrk in static library since we + need strpbrk before the initialization happened. */ +#if (defined SHARED || !defined USE_AS_STRPBRK) && IS_IN (libc) + .text +ENTRY(STRCSPN) + .type STRCSPN, @gnu_indirect_function + LOAD_GOT_AND_RTLD_GLOBAL_RO + LOAD_FUNC_GOT_EAX (STRCSPN_IA32) + HAS_CPU_FEATURE (SSE4_2) + jz 2f + LOAD_FUNC_GOT_EAX (STRCSPN_SSE42) +2: ret +END(STRCSPN) + +# undef ENTRY +# define ENTRY(name) \ + .type STRCSPN_IA32, @function; \ + .globl STRCSPN_IA32; \ + .p2align 4; \ + STRCSPN_IA32: cfi_startproc; \ + CALL_MCOUNT +# undef END +# define END(name) \ + cfi_endproc; .size STRCSPN_IA32, .-STRCSPN_IA32 +# undef libc_hidden_builtin_def +/* IFUNC doesn't work with the hidden functions in shared library since + they will be called without setting up EBX needed for PLT which is + used by IFUNC. */ +# define libc_hidden_builtin_def(name) \ + .globl __GI_STRCSPN; __GI_STRCSPN = STRCSPN_IA32 +#endif + +#ifdef USE_AS_STRPBRK +#include "../../strpbrk.S" +#else +#include "../../strcspn.S" +#endif |