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author | Marc Mutz <marc.mutz@kdab.com> | 2015-01-21 23:29:52 +0100 |
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committer | Marc Mutz <marc.mutz@kdab.com> | 2015-02-17 15:04:01 +0000 |
commit | 94078f864577d9bd08cb17eb4b695e5d03ac1b3e (patch) | |
tree | 0cebfe31f3c864d5e434aae618de962efa6a6670 /src/corelib/tools/qunicodetools.cpp | |
parent | df0d933db519620f02034ed0f1477b77dabdb8f4 (diff) |
QDateTimePrivate: remove pointless comparisons
For any 1-bit flag:
bool(var & flag) <=> (var & flag) == flag
but gcc didn't seem to get it:
(Surprising) effects on Linux GCC 4.9 stripped release builds:
text -4936B (!!)
data +-0B
relocs +-0
It seems this enables some dead code detection, but
I must confess I don't quite understand how such a
small change can have such a dramatic effect on the
executable size, even after diffing the assembler
output.
Change-Id: Ia307fde0de16160ea51bbb3ed6c1ff203d4f9091
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/corelib/tools/qunicodetools.cpp')
0 files changed, 0 insertions, 0 deletions