1 /* Architecture-specific glibc-hwcaps subdirectories. powerpc64le version. 2 Copyright (C) 2020-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <dl-hwcaps.h> 20 #include <ldsodefs.h> 21 22 const char _dl_hwcaps_subdirs[] = "power10:power9"; 23 enum { subdirs_count = 2 }; /* Number of components in _dl_hwcaps_subdirs. */ 24 25 uint32_t _dl_hwcaps_subdirs_active(void)26_dl_hwcaps_subdirs_active (void) 27 { 28 int active = 0; 29 30 /* Test in reverse preference order. Altivec and VSX are implied by 31 the powerpc64le ABI definition. */ 32 33 /* POWER9. GCC enables float128 hardware support for -mcpu=power9. */ 34 if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_00) == 0 35 || (GLRO (dl_hwcap2) & PPC_FEATURE2_HAS_IEEE128) == 0) 36 return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active); 37 ++active; 38 39 /* POWER10. GCC defines __MMA__ for -mcpu=power10. */ 40 if ((GLRO (dl_hwcap2) & PPC_FEATURE2_ARCH_3_1) == 0 41 || (GLRO (dl_hwcap2) & PPC_FEATURE2_MMA) == 0) 42 return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active); 43 ++active; 44 45 return _dl_hwcaps_subdirs_build_bitmask (subdirs_count, active); 46 } 47