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authorUlrich Drepper <drepper@redhat.com>2007-10-15 04:22:46 +0000
committerUlrich Drepper <drepper@redhat.com>2007-10-15 04:22:46 +0000
commit1b6aa63f4e5e8f271f4bb8269edb18842d5941e6 (patch)
tree610e4baa791b02b2dbb70c70e49dad54590be49f
parent895a08c0897a753a30250bb4995b5cf771ee0084 (diff)
downloadglibc-1b6aa63f4e5e8f271f4bb8269edb18842d5941e6.tar.gz
* posix/glob.c: Add some branch prediction throughout.
-rw-r--r--ChangeLog2
-rw-r--r--posix/glob.c18
2 files changed, 11 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index f8d5b9d8c8..17b8bc05d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
2007-10-14 Ulrich Drepper <drepper@redhat.com>
+ * posix/glob.c: Add some branch prediction throughout.
+
* nscd/nscd_getgr_r.c (nscd_getgr_r): Store result of successful
read from nscd.
diff --git a/posix/glob.c b/posix/glob.c
index d6a1a4a2d1..38110fd135 100644
--- a/posix/glob.c
+++ b/posix/glob.c
@@ -774,7 +774,7 @@ glob (pattern, flags, errfunc, pglob)
/* Return the directory if we don't check for error or if it exists. */
if ((flags & GLOB_NOCHECK)
- || (((flags & GLOB_ALTDIRFUNC)
+ || (((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0))
? ((*pglob->gl_stat) (dirname, &st) == 0
&& S_ISDIR (st.st_mode))
: (__stat64 (dirname, &st64) == 0 && S_ISDIR (st64.st_mode)))))
@@ -846,7 +846,7 @@ glob (pattern, flags, errfunc, pglob)
*(char *) &dirname[--dirlen] = '\0';
}
- if ((flags & GLOB_ALTDIRFUNC) != 0)
+ if (__builtin_expect ((flags & GLOB_ALTDIRFUNC) != 0, 0))
{
/* Use the alternative access functions also in the recursive
call. */
@@ -1030,7 +1030,7 @@ glob (pattern, flags, errfunc, pglob)
struct_stat64 st64;
for (i = oldcount; i < pglob->gl_pathc + pglob->gl_offs; ++i)
- if (((flags & GLOB_ALTDIRFUNC)
+ if ((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
? ((*pglob->gl_stat) (pglob->gl_pathv[i], &st) == 0
&& S_ISDIR (st.st_mode))
: (__stat64 (pglob->gl_pathv[i], &st64) == 0
@@ -1233,7 +1233,7 @@ link_exists_p (const char *dir, size_t dirlen, const char *fname,
mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1),
fname, fnamelen + 1);
- return (((flags & GLOB_ALTDIRFUNC)
+ return ((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
? (*pglob->gl_stat) (fullname, &st)
: __stat64 (fullname, &st64)) == 0);
}
@@ -1290,7 +1290,7 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
mempcpy (mempcpy (mempcpy (fullname, directory, dirlen),
"/", 1),
pattern, patlen + 1);
- if (((flags & GLOB_ALTDIRFUNC)
+ if ((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
? (*pglob->gl_stat) (fullname, &st)
: __stat64 (fullname, &st64)) == 0)
/* We found this file to be existing. Now tell the rest
@@ -1299,7 +1299,7 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
}
else
{
- stream = ((flags & GLOB_ALTDIRFUNC)
+ stream = (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
? (*pglob->gl_opendir) (directory)
: opendir (directory));
if (stream == NULL)
@@ -1333,7 +1333,7 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
}
d64buf;
- if (flags & GLOB_ALTDIRFUNC)
+ if (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0))
{
struct dirent *d32 = (*pglob->gl_readdir) (stream);
if (d32 != NULL)
@@ -1347,7 +1347,7 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
else
d = __readdir64 (stream);
#else
- struct dirent *d = ((flags & GLOB_ALTDIRFUNC)
+ struct dirent *d = (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
? ((struct dirent *)
(*pglob->gl_readdir) (stream))
: __readdir (stream));
@@ -1485,7 +1485,7 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
if (stream != NULL)
{
save = errno;
- if (flags & GLOB_ALTDIRFUNC)
+ if (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0))
(*pglob->gl_closedir) (stream);
else
closedir (stream);