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Diffstat (limited to 'sysdeps/powerpc/powerpc64/le/dl-hwcaps-subdirs.c')
-rw-r--r--sysdeps/powerpc/powerpc64/le/dl-hwcaps-subdirs.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/le/dl-hwcaps-subdirs.c b/sysdeps/powerpc/powerpc64/le/dl-hwcaps-subdirs.c
new file mode 100644
index 0000000..6a21d77
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/le/dl-hwcaps-subdirs.c
@@ -0,0 +1,46 @@
+/* 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);
+}