diff options
| author | Thiago Macieira <thiago.macieira@intel.com> | 2014-02-19 18:59:24 -0800 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-02-22 04:38:41 +0100 |
| commit | c1d4a634cb439a3c1cc3ce762eb5ace6bb6ead95 (patch) | |
| tree | bba48f41548c3aee53dcdc3ab5422155b8365c4f /src/corelib | |
| parent | 3a3a7f88428a13ddd52d80940fbd086e2355bc23 (diff) | |
Fix off-by-one error: the next ASCII character is next one
The bit scan function returns the index of the last non-ASCII
character. The next ASCII is the one after this. This means all the
benchmarks were made while reentering the SIMD loop uselessly...
Change-Id: If7de485a63428bfa36d413049d9239ddda1986aa
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/codecs/qutfcodec.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/corelib/codecs/qutfcodec.cpp b/src/corelib/codecs/qutfcodec.cpp index a5d16b0b54..54312601e4 100644 --- a/src/corelib/codecs/qutfcodec.cpp +++ b/src/corelib/codecs/qutfcodec.cpp @@ -85,7 +85,7 @@ static inline bool simdEncodeAscii(uchar *&dst, const ushort *&nextAscii, const // we don't want to load 32 bytes again in this loop if we know there are non-ASCII // characters still coming n = _bit_scan_reverse(n); - nextAscii = src + n; + nextAscii = src + n + 1; return false; } @@ -115,7 +115,7 @@ static inline bool simdDecodeAscii(ushort *&dst, const uchar *&nextAscii, const // we don't want to load 16 bytes again in this loop if we know there are non-ASCII // characters still coming n = _bit_scan_reverse(n); - nextAscii = src + n; + nextAscii = src + n + 1; return false; } |