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authorDavid S. Miller <davem@davemloft.net>2012-03-29 14:38:27 -0700
committerDavid S. Miller <davem@davemloft.net>2012-03-29 14:38:27 -0700
commit20fde227388fb0c2857ff1793754056b833697fe (patch)
tree182b6e20e1d713ecd91332cf5c5d3a6ecee3269d /libio/fileops.c
parent984a42374ce2055836f580c2240306171757ea72 (diff)
downloadglibc-20fde227388fb0c2857ff1793754056b833697fe.tar.gz
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Remove xsputn small copy optimization.
	* libio/fileops.c (_IO_new_file_xsputn): Don't try to optimize
	small copies by hand.
Diffstat (limited to 'libio/fileops.c')
-rw-r--r--libio/fileops.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/libio/fileops.c b/libio/fileops.c
index 95e09b4400..a2e8dacd77 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -1341,24 +1341,13 @@ _IO_new_file_xsputn (f, data, n)
     {
       if (count > to_do)
 	count = to_do;
-      if (count > 20)
-	{
 #ifdef _LIBC
-	  f->_IO_write_ptr = __mempcpy (f->_IO_write_ptr, s, count);
+      f->_IO_write_ptr = __mempcpy (f->_IO_write_ptr, s, count);
 #else
-	  memcpy (f->_IO_write_ptr, s, count);
-	  f->_IO_write_ptr += count;
+      memcpy (f->_IO_write_ptr, s, count);
+      f->_IO_write_ptr += count;
 #endif
-	  s += count;
-	}
-      else
-	{
-	  register char *p = f->_IO_write_ptr;
-	  register int i = (int) count;
-	  while (--i >= 0)
-	    *p++ = *s++;
-	  f->_IO_write_ptr = p;
-	}
+      s += count;
       to_do -= count;
     }
   if (to_do + must_flush > 0)