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bzip2: remove redundant clearing of an alredy unset bit

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function                                             old     new   delta
mainSort                                            1178    1171      -7

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-02-03 17:38:23 +01:00
parent 524fa29a93
commit df23f55e39
1 changed files with 2 additions and 2 deletions
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4
archival/libarchive/bz/blocksort.c
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@@ -873,10 +873,10 @@ void mainSort(EState* state,
*/
for (j = 0; j <= 255; j++) {
if (j != ss) {
int32_t sb;
unsigned sb;
sb = (ss << 8) + j;
if (!(ftab[sb] & SETMASK)) {
int32_t lo = ftab[sb] & CLEARMASK;
int32_t lo = ftab[sb] /*& CLEARMASK (redundant)*/;
int32_t hi = (ftab[sb+1] & CLEARMASK) - 1;
if (hi > lo) {
mainQSort3(