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-rw-r--r--sysdeps/x86_64/fpu/math-tests-arch.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/math-tests-arch.h b/sysdeps/x86_64/fpu/math-tests-arch.h
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+++ b/sysdeps/x86_64/fpu/math-tests-arch.h
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+/* Runtime architecture check for math tests. x86_64 version.
+   Copyright (C) 2014-2015 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
+   <http://www.gnu.org/licenses/>.  */
+
+#if defined REQUIRE_AVX2
+# include <init-arch.h>
+
+  /* Set to 1 if AVX2 supported.  */
+  static int avx2_usable;
+
+# define INIT_ARCH_EXT                                         \
+  do                                                           \
+    {                                                          \
+      __init_cpu_features ();                                  \
+      avx2_usable = __cpu_features.feature[index_AVX2_Usable]  \
+                  & bit_AVX2_Usable;                           \
+    }                                                          \
+  while (0)
+
+# define CHECK_ARCH_EXT                                        \
+  do                                                           \
+    {                                                          \
+      if (!avx2_usable) return;                                \
+    }                                                          \
+  while (0)
+
+#elif defined REQUIRE_AVX512F
+# include <init-arch.h>
+
+  /* Set to 1 if supported.  */
+  static int avx512f_usable;
+
+# define INIT_ARCH_EXT                                                \
+  do                                                                  \
+    {                                                                 \
+      __init_cpu_features ();                                         \
+      avx512f_usable = __cpu_features.feature[index_AVX512F_Usable]   \
+		       & bit_AVX512F_Usable;                          \
+    }                                                                 \
+  while (0)
+
+# define CHECK_ARCH_EXT                                        \
+  do                                                           \
+    {                                                          \
+      if (!avx512f_usable) return;                             \
+    }                                                          \
+  while (0)
+
+#else
+# include <sysdeps/generic/math-tests-arch.h>
+#endif