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| author | Ulrich Drepper <drepper@gmail.com> | 2011-05-14 01:03:08 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-05-14 01:03:08 -0400 |
| commit | 0656e90edc091f122284b602d2d590314e40c97a (patch) | |
| tree | 3f18f65d2bd00ead8a11ef951a6cc1aabbdea8c8 | |
| parent | 1af4e29837e9969377781b47254b6e4c293353ed (diff) | |
| download | glibc-0656e90edc091f122284b602d2d590314e40c97a.tar.gz glibc-0656e90edc091f122284b602d2d590314e40c97a.tar.xz glibc-0656e90edc091f122284b602d2d590314e40c97a.zip | |
Optimize conversion of single character in gconv
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | iconv/loop.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 6c125e3029..36a37087b1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,7 +1,8 @@ 2011-05-14 Ulrich Drepper <drepper@gmail.com> * iconv/loop.c (SINGLE) [STORE_REST]: Add input bytes to bytebuf before - storing incomplete byte sequence in state object. + storing incomplete byte sequence in state object. Avoid testing for + guaranteed too small input if we know there is enough data available. 2011-05-11 Andreas Schwab <schwab@redhat.com> diff --git a/iconv/loop.c b/iconv/loop.c index 72fef94222..4f430628f7 100644 --- a/iconv/loop.c +++ b/iconv/loop.c @@ -395,7 +395,8 @@ SINGLE(LOOPFCT) (struct __gconv_step *step, #endif /* Are there enough bytes in the input buffer? */ - if (__builtin_expect (inptr + (MIN_NEEDED_INPUT - inlen) > inend, 0)) + if (MIN_NEEDED_INPUT > 1 + && __builtin_expect (inptr + (MIN_NEEDED_INPUT - inlen) > inend, 0)) { *inptrp = inend; #ifdef STORE_REST |