about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2004-04-04 06:17:27 +0000
committerUlrich Drepper <drepper@redhat.com>2004-04-04 06:17:27 +0000
commit5da3d377184465497da472ad71a26a578fe6a5dd (patch)
tree96d45aede6cb95d7f9ad77bbf03468bbb0c1fde5 /sysdeps
parent4e73e1151d457981323a7316861a2493a57dbc6c (diff)
downloadglibc-5da3d377184465497da472ad71a26a578fe6a5dd.tar.gz
glibc-5da3d377184465497da472ad71a26a578fe6a5dd.tar.xz
glibc-5da3d377184465497da472ad71a26a578fe6a5dd.zip
Update.
	* sysdeps/powerpc/powerpc64/ffsll.c: New file.

	* sysdeps/powerpc/elf/libc-start.c: No need for a separate
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/powerpc/powerpc64/ffsll.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/ffsll.c b/sysdeps/powerpc/powerpc64/ffsll.c
new file mode 100644
index 0000000000..3a0018955e
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/ffsll.c
@@ -0,0 +1,38 @@
+/* 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)