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-rw-r--r--sysdeps/s390/ifunc-memset.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/sysdeps/s390/ifunc-memset.h b/sysdeps/s390/ifunc-memset.h
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index 0000000000..171c7c243e
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+++ b/sysdeps/s390/ifunc-memset.h
@@ -0,0 +1,74 @@
+/* memset variant information on S/390 version.
+ Copyright (C) 2018-2019 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/>. */
+
+#if defined USE_MULTIARCH && IS_IN (libc) \
+ && ! defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
+# define HAVE_MEMSET_IFUNC 1
+#else
+# define HAVE_MEMSET_IFUNC 0
+#endif
+
+#if defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
+# define MEMSET_DEFAULT MEMSET_Z196
+# define BZERO_DEFAULT BZERO_Z196
+# define HAVE_MEMSET_Z900_G5 0
+# define HAVE_MEMSET_Z10 0
+# define HAVE_MEMSET_Z196 1
+#elif defined HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT
+# define MEMSET_DEFAULT MEMSET_Z10
+# define BZERO_DEFAULT BZERO_Z10
+# define HAVE_MEMSET_Z900_G5 0
+# define HAVE_MEMSET_Z10 1
+# define HAVE_MEMSET_Z196 HAVE_MEMSET_IFUNC
+#else
+# define MEMSET_DEFAULT MEMSET_Z900_G5
+# define BZERO_DEFAULT BZERO_Z900_G5
+# define HAVE_MEMSET_Z900_G5 1
+# define HAVE_MEMSET_Z10 HAVE_MEMSET_IFUNC
+# define HAVE_MEMSET_Z196 HAVE_MEMSET_IFUNC
+#endif
+
+#if HAVE_MEMSET_Z10 || HAVE_MEMSET_Z196
+# define HAVE_MEMSET_MVCLE 1
+#else
+# define HAVE_MEMSET_MVCLE 0
+#endif
+
+#if HAVE_MEMSET_Z900_G5
+# define MEMSET_Z900_G5 __memset_default
+# define BZERO_Z900_G5 __bzero_default
+#else
+# define MEMSET_Z900_G5 NULL
+# define BZERO_Z900_G5 NULL
+#endif
+
+#if HAVE_MEMSET_Z10
+# define MEMSET_Z10 __memset_z10
+# define BZERO_Z10 __bzero_z10
+#else
+# define MEMSET_Z10 NULL
+# define BZERO_Z10 NULL
+#endif
+
+#if HAVE_MEMSET_Z196
+# define MEMSET_Z196 __memset_z196
+# define BZERO_Z196 __bzero_z196
+#else
+# define MEMSET_Z196 NULL
+# define BZERO_Z196 NULL
+#endif