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powerpc: Remove powerpc32 bzero optimizations
The symbol is not present in current POSIX specification and compiler already generates memset call.
This commit is contained in:
Adhemerval Zanella
parent
a61933fe27
commit
68122d8a04
@ -1,27 +0,0 @@
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/* Optimized bzero `implementation' for PowerPC.
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Copyright (C) 1997-2022 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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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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ENTRY (__bzero)
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mr r5,r4
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li r4,0
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b memset@local
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END (__bzero)
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weak_alias (__bzero, bzero)
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@ -1,8 +1,8 @@
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ifeq ($(subdir),string)
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sysdep_routines += memcpy-power7 memcpy-a2 memcpy-power6 memcpy-cell \
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memcpy-ppc32 memcmp-power7 memcmp-ppc32 memset-power7 \
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memset-power6 memset-ppc32 bzero-power7 bzero-power6 \
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bzero-ppc32 mempcpy-power7 mempcpy-ppc32 memchr-power7 \
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memset-power6 memset-ppc32 \
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mempcpy-power7 mempcpy-ppc32 memchr-power7 \
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memchr-ppc32 memrchr-power7 memrchr-ppc32 rawmemchr-power7 \
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rawmemchr-ppc32 strlen-power7 strlen-ppc32 strnlen-power7 \
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strnlen-ppc32 strncmp-power7 strncmp-ppc32 \
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@ -1,25 +0,0 @@
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/* Optimized bzero implementation for PowerPC32/POWER6.
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Copyright (C) 2010-2022 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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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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ENTRY (__bzero_power6)
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mr r5,r4
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li r4,0
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b __memset_power6@local
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END (__bzero_power6)
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@ -1,25 +0,0 @@
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/* Optimized bzero implementation for PowerPC32/POWER7.
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Copyright (C) 2010-2022 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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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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ENTRY (__bzero_power7)
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mr r5,r4
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li r4,0
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b __memset_power7@local
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END (__bzero_power7)
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@ -1,34 +0,0 @@
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/* Optimized bzero implementation for PowerPC32/PPC32.
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Copyright (C) 2010-2022 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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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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/* memset ifunc selector is not built for static and memset@local
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for shared builds makes the linker point the call to the ifunc
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selector. */
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#ifdef SHARED
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# define MEMSET __memset_ppc
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#else
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# define MEMSET memset
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#endif
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ENTRY (__bzero_ppc)
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mr r5,r4
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li r4,0
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b MEMSET@local
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END (__bzero_ppc)
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@ -1,37 +0,0 @@
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/* Multiple versions of bzero.
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Copyright (C) 2013-2022 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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<https://www.gnu.org/licenses/>. */
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/* Define multiple versions only for definition in libc. */
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#if IS_IN (libc)
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# include <string.h>
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# include <strings.h>
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# include "init-arch.h"
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extern __typeof (bzero) __bzero_ppc attribute_hidden;
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extern __typeof (bzero) __bzero_power6 attribute_hidden;
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extern __typeof (bzero) __bzero_power7 attribute_hidden;
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libc_ifunc (__bzero,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __bzero_power7 :
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(hwcap & PPC_FEATURE_ARCH_2_05)
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? __bzero_power6
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: __bzero_ppc);
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weak_alias (__bzero, bzero)
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#endif
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@ -73,14 +73,6 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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__memset_power6)
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IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ppc))
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/* Support sysdeps/powerpc/powerpc32/power4/multiarch/bzero.c. */
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IFUNC_IMPL (i, name, bzero,
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IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_HAS_VSX,
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__bzero_power7)
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IFUNC_IMPL_ADD (array, i, bzero, hwcap & PPC_FEATURE_ARCH_2_05,
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__bzero_power6)
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IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ppc))
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/* Support sysdeps/powerpc/powerpc32/power4/multiarch/strlen.c. */
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IFUNC_IMPL (i, name, strlen,
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IFUNC_IMPL_ADD (array, i, strlen, hwcap & PPC_FEATURE_HAS_VSX,
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