2004-04-03 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/powerpc/powerpc64/ffsll.c: New file.
+
* string/test-ffs.c: Also test ffsl and ffsll.
* sysdeps/powerpc/ffs.c: Don't define ffsl for ppc64.
constraints for asm mem parameters.
* sysdeps/powerpc/bits/atomic.h: Likewise.
- * sysdeps/powerpc/elf/libc-start.c: no need for a separate
+ * sysdeps/powerpc/elf/libc-start.c: No need for a separate
function for __aux_init_cache.
* inet/test-ifaddrs.c: Fight warnings.
for (i=0 ; i < 8 * sizeof (type); i++) \
try (#fct, 1ll << i, fct (((type) 1) << i), i + 1); \
for (i=0 ; i < 8 * sizeof (type) ; i++) \
- try (#fct, (~0ll >> i) << i, fct ((~((type) 0) >> i) << i), i + 1); \
+ try (#fct, (~((type) 0) >> i) << i, fct ((~((type) 0) >> i) << i), i + 1);\
try (#fct, 0x80008000, fct ((type) 0x80008000), 16)
TEST (ffs, int);
--- /dev/null
+/* Find first set bit in a word, counted from least significant end.
+ For PowerPC.
+ Copyright (C) 1991, 1992, 1997, 1998, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Torbjorn Granlund (tege@sics.se).
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#define ffsl __something_else
+#include <limits.h>
+#include <string.h>
+
+#undef ffs
+
+int
+__ffsll (long long int x)
+{
+ int cnt;
+
+ asm ("cntlzd %0,%1" : "=r" (cnt) : "r" (x & -x));
+ return 64 - cnt;
+}
+weak_alias (__ffsll, ffsll)
+#undef ffsl
+weak_alias (__ffsll, ffsl)