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17a73a6d8b
The hwcap2 check for the aforementioned functions should check for both PPC_FEATURE2_ARCH_3_1 and PPC_FEATURE2_HAS_ISEL but was mistakenly checking for any one of them, enabling isa 3.1 version of the functions in incompatible processors, like POWER8. Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/* PowerPC64 multiarch bcopy.
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Copyright (C) 2014-2021 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 <string.h>
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#include "init-arch.h"
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extern __typeof (bcopy) __bcopy_ppc attribute_hidden;
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/* __bcopy_power7 symbol is implemented at memmove-power7.S */
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extern __typeof (bcopy) __bcopy_power7 attribute_hidden;
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#ifdef __LITTLE_ENDIAN__
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extern __typeof (bcopy) __bcopy_power10 attribute_hidden;
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#endif
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libc_ifunc (bcopy,
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#ifdef __LITTLE_ENDIAN__
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(hwcap2 & PPC_FEATURE2_ARCH_3_1
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&& hwcap2 & PPC_FEATURE2_HAS_ISEL
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&& hwcap & PPC_FEATURE_HAS_VSX)
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? __bcopy_power10 :
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#endif
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(hwcap & PPC_FEATURE_HAS_VSX)
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? __bcopy_power7
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: __bcopy_ppc);
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