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PowerPC: multiarch memset/bzero for PowerPC32

This commit is contained in:
Adhemerval Zanella 2013-10-14 07:37:14 -05:00
parent ab3e3a46d5
commit 20ed471427
12 changed files with 327 additions and 1 deletions
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20
ChangeLog
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@ -1,3 +1,23 @@
2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc32/power4/multiarch/bzero-power6.S: New file.
* sysdeps/powerpc/powerpc32/power4/multiarch/bzero-power7.S: New file.
* sysdeps/powerpc/powerpc32/power4/multiarch/bzero-ppc32.S: New file.
* sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c: New file:
multiarch bzero for PPC32.
* sysdeps/powerpc/powerpc32/power4/multiarch/memset-power6.S: New
file.
* sysdeps/powerpc/powerpc32/power4/multiarch/memset-power7.S: New
file.
* sysdeps/powerpc/powerpc32/power4/multiarch/memset-ppc32.S: New file.
* sysdeps/powerpc/powerpc/powerpc32/power4/multiarch/memset.c: New
file: multiarch memset for PPC32.
* sysdeps/powerpc/powerpc32/power4/multiarch/rtld-memset.S: New file.
* sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Add bzero and
memset multiarch objects.
* sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Likewise.
2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc32/power4/multiarch/memcmp-power7.S: New

4
sysdeps/powerpc/powerpc32/power4/multiarch/Makefile
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@ -1,4 +1,6 @@
ifeq ($(subdir),string)
sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
memcpy-ppc32 memcmp-power7 memcmp-ppc32
memcpy-ppc32 memcmp-power7 memcmp-ppc32 memset-power7 \
memset-power6 memset-ppc32 bzero-power7 bzero-power6 \
bzero-ppc32
endif

26
sysdeps/powerpc/powerpc32/power4/multiarch/bzero-power6.S Normal file
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@ -0,0 +1,26 @@
/* Optimized bzero implementation for PowerPC32/POWER6.
Copyright (C) 2010-2013 Free Software Foundation, Inc.
Contributed by Luis Machado <luisgpm@br.ibm.com>.
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 <sysdep.h>
ENTRY (__bzero_power6)
mr r5,r4
li r4,0
b __memset_power6@local
END (__bzero_power6)

26
sysdeps/powerpc/powerpc32/power4/multiarch/bzero-power7.S Normal file
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/* Optimized bzero implementation for PowerPC32/POWER7.
Copyright (C) 2010-2013 Free Software Foundation, Inc.
Contributed by Luis Machado <luisgpm@br.ibm.com>.
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 <sysdep.h>
ENTRY (__bzero_power7)
mr r5,r4
li r4,0
b __memset_power7@local
END (__bzero_power7)

26
sysdeps/powerpc/powerpc32/power4/multiarch/bzero-ppc32.S Normal file
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@ -0,0 +1,26 @@
/* Optimized bzero implementation for PowerPC32/PPC32.
Copyright (C) 2010-2013 Free Software Foundation, Inc.
Contributed by Luis Machado <luisgpm@br.ibm.com>.
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 <sysdep.h>
ENTRY (__bzero_ppc)
mr r5,r4
li r4,0
b __memset_ppc@local
END (__bzero_ppc)

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sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c Normal file
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/* Multiple versions of bzero.
Copyright (C) 2013 Free Software Foundation, Inc.
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/>. */
/* Define multiple versions only for definition in libc. */
#if defined SHARED && !defined NOT_IN_libc
# include <string.h>
# include <strings.h>
# include "init-arch.h"
extern __typeof (bzero) __bzero_ppc attribute_hidden;
extern __typeof (bzero) __bzero_power6 attribute_hidden;
extern __typeof (bzero) __bzero_power7 attribute_hidden;
libc_ifunc (__bzero,
(hwcap & PPC_FEATURE_HAS_VSX)
? __bzero_power7 :
(hwcap & PPC_FEATURE_ARCH_2_05)
? __bzero_power6
: __bzero_ppc);
weak_alias (__bzero, bzero)
#endif

17
sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
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@ -58,6 +58,23 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
IFUNC_IMPL_ADD (array, i, memcpy, hwcap & PPC_FEATURE_CELL_BE,
__memcpy_cell)
IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc))
/* Support sysdeps/powerpc/powerpc32/power4/multiarch/memset.c. */
IFUNC_IMPL (i, name, memset,
IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_HAS_VSX,
__memset_power7)
IFUNC_IMPL_ADD (array, i, memset, hwcap & PPC_FEATURE_ARCH_2_05,
__memset_power6)
IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
/* Support sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c. */
IFUNC_IMPL (i, name, bzero,
IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
__bzero_power7)
IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
__bzero_power6)
IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc))
#endif
/* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c. */

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sysdeps/powerpc/powerpc32/power4/multiarch/memset-power6.S Normal file
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/* Optimized 32-bit memset implementation for POWER6.
Copyright (C) 2013 Free Software Foundation, Inc.
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 <sysdep.h>
#undef EALIGN
#define EALIGN(name, alignt, words) \
.globl C_SYMBOL_NAME(__memset_power6); \
.type C_SYMBOL_NAME(__memset_power6),@function; \
.align ALIGNARG(alignt); \
EALIGN_W_##words; \
C_LABEL(__memset_power6) \
cfi_startproc;
#undef END
#define END(name) \
cfi_endproc; \
ASM_SIZE_DIRECTIVE(__memset_power6)
#undef libc_hidden_builtin_def
#define libc_hidden_builtin_def(name)
#include <sysdeps/powerpc/powerpc32/power6/memset.S>

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sysdeps/powerpc/powerpc32/power4/multiarch/memset-power7.S Normal file
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/* Optimized memset implementation for PowerPC32/POWER7.
Copyright (C) 2013 Free Software Foundation, Inc.
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 <sysdep.h>
#undef EALIGN
#define EALIGN(name, alignt, words) \
.globl C_SYMBOL_NAME(__memset_power7); \
.type C_SYMBOL_NAME(__memset_power7),@function; \
.align ALIGNARG(alignt); \
EALIGN_W_##words; \
C_LABEL(__memset_power7) \
cfi_startproc;
#undef END
#define END(name) \
cfi_endproc; \
ASM_SIZE_DIRECTIVE(__memset_power7)
#undef libc_hidden_builtin_def
#define libc_hidden_builtin_def(name)
#include <sysdeps/powerpc/powerpc32/power7/memset.S>

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sysdeps/powerpc/powerpc32/power4/multiarch/memset-ppc32.S Normal file
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/* Default memset implementation for PowerPC32.
Copyright (C) 1997-2013 Free Software Foundation, Inc.
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 <sysdep.h>
#if defined SHARED && !defined NOT_IN_libc
# undef EALIGN
# define EALIGN(name, alignt, words) \
.globl C_SYMBOL_NAME(__memset_ppc); \
.type C_SYMBOL_NAME(__memset_ppc),@function; \
.align ALIGNARG(alignt); \
EALIGN_W_##words; \
C_LABEL(__memset_ppc) \
cfi_startproc;
# undef END
# define END(name) \
cfi_endproc; \
ASM_SIZE_DIRECTIVE(__memset_ppc)
# undef libc_hidden_builtin_def
# define libc_hidden_builtin_def(name) \
.globl __GI_memset; __GI_memset = __memset_ppc
#endif
#include <sysdeps/powerpc/powerpc32/power4/memset.S>

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sysdeps/powerpc/powerpc32/power4/multiarch/memset.c Normal file
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/* Multiple versions of memset.
Copyright (C) 2013 Free Software Foundation, Inc.
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/>. */
/* Define multiple versions only for definition in libc. */
#if defined SHARED && !defined NOT_IN_libc
# include <string.h>
# include <shlib-compat.h>
# include "init-arch.h"
extern __typeof (memset) __memset_ppc attribute_hidden;
extern __typeof (memset) __memset_power6 attribute_hidden;
extern __typeof (memset) __memset_power7 attribute_hidden;
/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
ifunc symbol properly. */
libc_ifunc (memset,
(hwcap & PPC_FEATURE_HAS_VSX)
? __memset_power7 :
(hwcap & PPC_FEATURE_ARCH_2_05)
? __memset_power6
: __memset_ppc);
#endif

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sysdeps/powerpc/powerpc32/power4/multiarch/rtld-memset.S Normal file
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/* Copyright (C) 2013 Free Software Foundation, Inc.
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 <sysdeps/powerpc/powerpc32/power4/memset.S>