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/* Architecture-specific glibc-hwcaps subdirectories. powerpc64le version.
Copyright (C) 2020 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
<https://www.gnu.org/licenses/>. */
#include <dl-hwcaps.h>
#include <ldsodefs.h>
const char _dl_hwcaps_subdirs[] = "power10:power9";
enum { subdirs_count = 2 }; /* Number of components in _dl_hwcaps_subdirs. */
uint32_t
_dl_hwcaps_subdirs_active (void)
{
int active = 0;
/* Test in reverse preference order. Altivec and VSX are implied by
the powerpc64le ABI definition. */
/* POWER9. GCC enables float128 hardware support for -mcpu=power9. */
if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_00) == 0
|| (GLRO (dl_hwcap2) & PPC_FEATURE2_HAS_IEEE128) == 0)
return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active);
++active;
/* POWER10. GCC defines __MMA__ for -mcpu=power10. */
if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_1) == 0
|| (GLRO (dl_hwcap2) & PPC_FEATURE2_MMA) == 0)
return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active);
++active;
return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active);
}
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