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PowerPC: multiarch strncmp for PowerPC64
This commit is contained in:
Adhemerval Zanella
parent
1c92d9a0e0
commit
24c2c3b996
12
ChangeLog
12
ChangeLog
@ -1,3 +1,15 @@
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2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strncmp multiarch
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implementations.
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* sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c
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(__libc_ifunc_impl_list): Likewise.
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* sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S: New file.
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* sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S: New file.
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* sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S: New file.
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* sysdeps/powerpc/powerpc64/multiarch/strncmp.c: New file: multiarch
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strncmp for PPC64.
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2013-12-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc64/multiarch/Makefile: Add strncasecmp
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@ -7,7 +7,8 @@ sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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memrchr-power7 memrchr-ppc64 rawmemchr-power7 \
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rawmemchr-ppc64 strlen-power7 strlen-ppc64 strnlen-power7 \
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strnlen-ppc64 strcasecmp-power7 strcasecmp_l-power7 \
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strncase-power7 strncase_l-power7
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strncase-power7 strncase_l-power7 strncmp-power7 \
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strncmp-power4 strncmp-ppc64
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CFLAGS-strncase-power7.c += -mcpu=power7 -funroll-loops
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CFLAGS-strncase_l-power7.c += -mcpu=power7 -funroll-loops
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@ -77,6 +77,15 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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__strlen_power7)
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IFUNC_IMPL_ADD (array, i, strlen, 1,
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__strlen_ppc))
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/* Support sysdeps/powerpc/powerpc64/multiarch/strncmp.c. */
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IFUNC_IMPL (i, name, strncmp,
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IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_HAS_VSX,
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__strncmp_power7)
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IFUNC_IMPL_ADD (array, i, strncmp, hwcap & PPC_FEATURE_POWER4,
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__strncmp_power4)
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IFUNC_IMPL_ADD (array, i, strncmp, 1,
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__strncmp_ppc))
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#endif
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/* Support sysdeps/powerpc/powerpc64/multiarch/memcmp.c. */
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39
sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S
Normal file
39
sysdeps/powerpc/powerpc64/multiarch/strncmp-power4.S
Normal file
@ -0,0 +1,39 @@
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/* Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#undef EALIGN
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#define EALIGN(name,alignt,words) \
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.section ".text"; \
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ENTRY_2(__strncmp_power4) \
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.align ALIGNARG(alignt); \
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EALIGN_W_##words; \
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BODY_LABEL(__strncmp_power4): \
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cfi_startproc; \
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LOCALENTRY(__strncmp_power4)
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#undef END
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#define END(name) \
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cfi_endproc; \
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TRACEBACK(__strncmp_power4) \
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END_2(__strncmp_power4)
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#undef libc_hidden_builtin_def
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#define libc_hidden_builtin_def(name)
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#include <sysdeps/powerpc/powerpc64/power4/strncmp.S>
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40
sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S
Normal file
40
sysdeps/powerpc/powerpc64/multiarch/strncmp-power7.S
Normal file
@ -0,0 +1,40 @@
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/* Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#undef EALIGN
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#define EALIGN(name,alignt,words) \
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.section ".text"; \
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ENTRY_2(__strncmp_power7) \
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.align ALIGNARG(alignt); \
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EALIGN_W_##words; \
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BODY_LABEL(__strncmp_power7): \
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cfi_startproc; \
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LOCALENTRY(__strncmp_power7)
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#undef END
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#define END(name) \
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cfi_endproc; \
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TRACEBACK(__strncmp_power7) \
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END_2(__strncmp_power7)
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#undef libc_hidden_builtin_def
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#define libc_hidden_builtin_def(name)
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#include <sysdeps/powerpc/powerpc64/power7/strncmp.S>
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42
sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S
Normal file
42
sysdeps/powerpc/powerpc64/multiarch/strncmp-ppc64.S
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@ -0,0 +1,42 @@
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/* Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#if defined SHARED && !defined NOT_IN_libc
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#undef EALIGN
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#define EALIGN(name,alignt,words) \
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.section ".text"; \
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ENTRY_2(__strncmp_ppc) \
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.align ALIGNARG(alignt); \
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EALIGN_W_##words; \
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BODY_LABEL(__strncmp_ppc): \
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cfi_startproc; \
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LOCALENTRY(__strncmp_ppc)
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#undef END
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#define END(name) \
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cfi_endproc; \
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TRACEBACK(__strncmp_ppc) \
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END_2(__strncmp_ppc)
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# undef libc_hidden_builtin_def
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# define libc_hidden_builtin_def(name) \
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.globl __GI_strncmp; __GI_strncmp = __strncmp_ppc
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#endif
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#include <sysdeps/powerpc/powerpc64/strncmp.S>
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37
sysdeps/powerpc/powerpc64/multiarch/strncmp.c
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37
sysdeps/powerpc/powerpc64/multiarch/strncmp.c
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@ -0,0 +1,37 @@
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/* Multiple versions of strncmp.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* Define multiple versions only for definition in libc. */
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#if defined SHARED && !defined NOT_IN_libc
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# include <string.h>
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# include <shlib-compat.h>
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# include "init-arch.h"
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extern __typeof (strncmp) __strncmp_ppc attribute_hidden;
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extern __typeof (strncmp) __strncmp_power4 attribute_hidden;
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extern __typeof (strncmp) __strncmp_power7 attribute_hidden;
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/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
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ifunc symbol properly. */
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libc_ifunc (strncmp,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __strncmp_power7 :
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(hwcap & PPC_FEATURE_POWER4)
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? __strncmp_power4
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: __strncmp_ppc);
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#endif
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