Author: jkim
Date: Wed Apr 28 17:26:05 2010
New Revision: 207330
URL: http://svn.freebsd.org/changeset/base/207330
Log:
Remove dead code. Calculated greatest common divisor was not used at all.
On top of that, LLVM+Clang mis-compiles this code because of its register
allocator bug.
Analyzed by: Andrew Reilly (areilly at bigpond dot net dot au)
Reviewed by: ariff, rdivacky
MFC after: 3 days
Modified:
head/sys/dev/sound/pcm/buffer.c
Modified: head/sys/dev/sound/pcm/buffer.c
==============================================================================
--- head/sys/dev/sound/pcm/buffer.c Wed Apr 28 15:38:01 2010
(r207329)
+++ head/sys/dev/sound/pcm/buffer.c Wed Apr 28 17:26:05 2010
(r207330)
@@ -568,7 +568,6 @@ sndbuf_updateprevtotal(struct snd_dbuf *
unsigned int
snd_xbytes(unsigned int v, unsigned int from, unsigned int to)
{
- unsigned int w, x, y;
if (from == to)
return v;
@@ -576,16 +575,6 @@ snd_xbytes(unsigned int v, unsigned int
if (from == 0 || to == 0 || v == 0)
return 0;
- x = from;
- y = to;
- while (y != 0) {
- w = x % y;
- x = y;
- y = w;
- }
- from /= x;
- to /= x;
-
return (unsigned int)(((u_int64_t)v * to) / from);
}
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