47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/* Architecture-specific glibc-hwcaps subdirectories. powerpc64le version.
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Copyright (C) 2020-2022 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 <dl-hwcaps.h>
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#include <ldsodefs.h>
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const char _dl_hwcaps_subdirs[] = "power10:power9";
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enum { subdirs_count = 2 }; /* Number of components in _dl_hwcaps_subdirs. */
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uint32_t
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_dl_hwcaps_subdirs_active (void)
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{
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int active = 0;
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/* Test in reverse preference order. Altivec and VSX are implied by
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the powerpc64le ABI definition. */
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/* POWER9. GCC enables float128 hardware support for -mcpu=power9. */
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if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_00) == 0
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|| (GLRO (dl_hwcap2) & PPC_FEATURE2_HAS_IEEE128) == 0)
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return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active);
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++active;
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/* POWER10. GCC defines __MMA__ for -mcpu=power10. */
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if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_1) == 0
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|| (GLRO (dl_hwcap2) & PPC_FEATURE2_MMA) == 0)
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return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active);
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++active;
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return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active);
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}
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