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git/xdiff
Dylan Reid b4cf0f1784 xdiff: optimise for no whitespace difference when ignoring whitespace.
In xdl_recmatch, do the memcmp to check if the two lines are equal before
checking if whitespace flags are set.  If the lines are identical, then
there is no need to check if they differ only in whitespace.
This makes the common case (there is no whitespace difference) faster.
It costs the case where lines are the same length and contain
whitespace differences, but the common case is more than 20% faster.

Signed-off-by: Dylan Reid <dgreid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-07-05 23:27:41 -07:00
..
xdiff.h xdl_merge(): move file1 and file2 labels to xmparam structure 2010-03-20 20:36:10 -07:00
xdiffi.c refactor: use bitsizeof() instead of 8 * sizeof() 2009-07-22 21:57:41 -07:00
xdiffi.h Implement the patience diff algorithm 2009-01-07 13:35:44 -08:00
xemit.c Fix various dead stores found by the clang static analyzer 2009-03-15 18:25:24 -07:00
xemit.h
xinclude.h
xmacros.h
xmerge.c xdiff/xmerge.c: use memset() instead of explicit for-loop 2010-05-01 11:11:11 -07:00
xpatience.c Implement the patience diff algorithm 2009-01-07 13:35:44 -08:00
xprepare.c Implement the patience diff algorithm 2009-01-07 13:35:44 -08:00
xprepare.h
xtypes.h
xutils.c xdiff: optimise for no whitespace difference when ignoring whitespace. 2010-07-05 23:27:41 -07:00
xutils.h