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-rw-r--r--sysdeps/s390/ffs.c70
1 files changed, 0 insertions, 70 deletions
diff --git a/sysdeps/s390/ffs.c b/sysdeps/s390/ffs.c
deleted file mode 100644
index c36f60045b..0000000000
--- a/sysdeps/s390/ffs.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* ffs -- find first set bit in a word, counted from least significant end.
- S/390 version.
- Copyright (C) 2000-2017 Free Software Foundation, Inc.
- Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
- 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/>. */
-
-#include <limits.h>
-#define ffsl __something_else
-#include <string.h>
-
-#undef ffs
-
-/* ffs: find first bit set. This is defined the same way as
- the libc and compiler builtin ffs routines, therefore
- differs in spirit from the above ffz (man ffs). */
-
-int
-__ffs (int x)
-{
- int r;
-
- if (x == 0)
- return 0;
- __asm__(" lr %%r1,%1\n"
- " sr %0,%0\n"
- " tml %%r1,0xFFFF\n"
- " jnz 0f\n"
- " ahi %0,16\n"
- " srl %%r1,16\n"
- "0: tml %%r1,0x00FF\n"
- " jnz 1f\n"
- " ahi %0,8\n"
- " srl %%r1,8\n"
- "1: tml %%r1,0x000F\n"
- " jnz 2f\n"
- " ahi %0,4\n"
- " srl %%r1,4\n"
- "2: tml %%r1,0x0003\n"
- " jnz 3f\n"
- " ahi %0,2\n"
- " srl %%r1,2\n"
- "3: tml %%r1,0x0001\n"
- " jnz 4f\n"
- " ahi %0,1\n"
- "4:"
- : "=&d" (r) : "d" (x) : "cc", "1" );
- return r+1;
-}
-
-weak_alias (__ffs, ffs)
-libc_hidden_def (__ffs)
-libc_hidden_builtin_def (ffs)
-#if ULONG_MAX == UINT_MAX
-#undef ffsl
-weak_alias (__ffs, ffsl)
-#endif