PowerPC: multiarch memcmp for PowerPC32
This commit is contained in:
Adhemerval Zanella
parent
930de6f09e
commit
ab3e3a46d5
13
ChangeLog
13
ChangeLog
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@ -1,3 +1,16 @@
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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc32/power4/multiarch/memcmp-power7.S: New
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file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/memcmp-ppc32.S: New file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c: multiarch
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memcmp for PPC32.
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* sysdeps/powerpc/powerpc32/power4/multiarch/rtld-memcmp.S: New file.
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* sysdeps/powerpc/powerpc32/power4/multiarch/Makefile: Add memcmp
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multiarch objects.
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* sysdeps/powerpc/powerpc32/power4/multiarch/ifunc-impl-list.c
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(__libc_ifunc_impl_list): Likewise.
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2013-12-06 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
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* sysdeps/powerpc/powerpc32/power4/multiarch/memcpy-a2.S: New file.
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@ -1,4 +1,4 @@
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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
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memcpy-ppc32 memcmp-power7 memcmp-ppc32
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endif
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@ -60,5 +60,11 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ppc))
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#endif
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/* Support sysdeps/powerpc/powerpc32/power4/multiarch/memcmp.c. */
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IFUNC_IMPL (i, name, memcmp,
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IFUNC_IMPL_ADD (array, i, memcmp, hwcap & PPC_FEATURE_HAS_VSX,
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__memcmp_power7)
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IFUNC_IMPL_ADD (array, i, memcmp, 1, __memcmp_ppc))
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return i;
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}
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@ -0,0 +1,41 @@
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/* Optimized memcmp implementation for POWER7/PowerPC32.
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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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.globl C_SYMBOL_NAME(__memcmp_power7); \
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.type C_SYMBOL_NAME(__memcmp_power7),@function; \
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.align ALIGNARG(alignt); \
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EALIGN_W_##words; \
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C_LABEL(__memcmp_power7) \
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cfi_startproc;
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#undef END
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#define END(name) \
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cfi_endproc; \
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ASM_SIZE_DIRECTIVE(__memcmp_power7)
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#undef libc_hidden_builtin_def
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#define libc_hidden_builtin_def(name)
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#undef weak_alias
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#define weak_alias(a, b)
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#include <sysdeps/powerpc/powerpc32/power7/memcmp.S>
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@ -0,0 +1,45 @@
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/* Default memcmp implementation for PowerPC32.
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Copyright (C) 1997-2013 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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#ifndef NOT_IN_libc
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# undef EALIGN
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# define EALIGN(name, alignt, words) \
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.globl C_SYMBOL_NAME(__memcmp_ppc); \
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.type C_SYMBOL_NAME(__memcmp_ppc),@function; \
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.align ALIGNARG(alignt); \
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EALIGN_W_##words; \
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C_LABEL(__memcmp_ppc) \
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cfi_startproc;
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# undef END
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# define END(name) \
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cfi_endproc; \
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ASM_SIZE_DIRECTIVE(__memcmp_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_memcmp; __GI_memcmp = __memcmp_ppc
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# undef weak_alias
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# define weak_alias(a, b) \
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.weak b ; b = __memcmp_ppc
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#endif
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#include <sysdeps/powerpc/powerpc32/power4/memcmp.S>
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@ -0,0 +1,34 @@
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/* Multiple versions of memcmp.
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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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#ifndef 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 (memcmp) __memcmp_ppc attribute_hidden;
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extern __typeof (memcmp) __memcmp_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 (memcmp,
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __memcmp_power7
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: __memcmp_ppc);
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#endif
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@ -0,0 +1,19 @@
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/* Loader memcmp implementation for PowerPC32.
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Copyright (C) 1997-2013 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 <sysdeps/powerpc/powerpc32/power4/memcmp.S>
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